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net/core/devlink.c
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// SPDX-License-Identifier: GPL-2.0-or-later |
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/* * net/core/devlink.c - Network physical/parent device Netlink interface * * Heavily inspired by net/wireless/ * Copyright (c) 2016 Mellanox Technologies. All rights reserved. * Copyright (c) 2016 Jiri Pirko <jiri@mellanox.com> |
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*/ #include <linux/kernel.h> #include <linux/module.h> #include <linux/types.h> #include <linux/slab.h> #include <linux/gfp.h> #include <linux/device.h> #include <linux/list.h> #include <linux/netdevice.h> |
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#include <linux/spinlock.h> |
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#include <linux/refcount.h> |
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#include <linux/workqueue.h> |
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#include <linux/u64_stats_sync.h> #include <linux/timekeeping.h> |
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#include <rdma/ib_verbs.h> #include <net/netlink.h> #include <net/genetlink.h> #include <net/rtnetlink.h> #include <net/net_namespace.h> #include <net/sock.h> #include <net/devlink.h> |
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#define CREATE_TRACE_POINTS #include <trace/events/devlink.h> |
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static struct devlink_dpipe_field devlink_dpipe_fields_ethernet[] = { { |
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.name = "destination mac", |
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.id = DEVLINK_DPIPE_FIELD_ETHERNET_DST_MAC, .bitwidth = 48, }, }; struct devlink_dpipe_header devlink_dpipe_header_ethernet = { .name = "ethernet", .id = DEVLINK_DPIPE_HEADER_ETHERNET, .fields = devlink_dpipe_fields_ethernet, .fields_count = ARRAY_SIZE(devlink_dpipe_fields_ethernet), .global = true, }; EXPORT_SYMBOL(devlink_dpipe_header_ethernet); |
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static struct devlink_dpipe_field devlink_dpipe_fields_ipv4[] = { { .name = "destination ip", .id = DEVLINK_DPIPE_FIELD_IPV4_DST_IP, .bitwidth = 32, }, }; struct devlink_dpipe_header devlink_dpipe_header_ipv4 = { .name = "ipv4", .id = DEVLINK_DPIPE_HEADER_IPV4, .fields = devlink_dpipe_fields_ipv4, .fields_count = ARRAY_SIZE(devlink_dpipe_fields_ipv4), .global = true, }; EXPORT_SYMBOL(devlink_dpipe_header_ipv4); |
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static struct devlink_dpipe_field devlink_dpipe_fields_ipv6[] = { { .name = "destination ip", .id = DEVLINK_DPIPE_FIELD_IPV6_DST_IP, .bitwidth = 128, }, }; struct devlink_dpipe_header devlink_dpipe_header_ipv6 = { .name = "ipv6", .id = DEVLINK_DPIPE_HEADER_IPV6, .fields = devlink_dpipe_fields_ipv6, .fields_count = ARRAY_SIZE(devlink_dpipe_fields_ipv6), .global = true, }; EXPORT_SYMBOL(devlink_dpipe_header_ipv6); |
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EXPORT_TRACEPOINT_SYMBOL_GPL(devlink_hwmsg); |
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EXPORT_TRACEPOINT_SYMBOL_GPL(devlink_hwerr); |
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EXPORT_TRACEPOINT_SYMBOL_GPL(devlink_trap_report); |
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|
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static const struct nla_policy devlink_function_nl_policy[DEVLINK_PORT_FUNCTION_ATTR_MAX + 1] = { [DEVLINK_PORT_FUNCTION_ATTR_HW_ADDR] = { .type = NLA_BINARY }, }; |
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static LIST_HEAD(devlink_list); /* devlink_mutex * * An overall lock guarding every operation coming from userspace. * It also guards devlink devices list and it is taken when * driver registers/unregisters it. */ static DEFINE_MUTEX(devlink_mutex); |
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struct net *devlink_net(const struct devlink *devlink) |
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{ return read_pnet(&devlink->_net); } |
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EXPORT_SYMBOL_GPL(devlink_net); |
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|
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static void __devlink_net_set(struct devlink *devlink, struct net *net) |
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{ write_pnet(&devlink->_net, net); } |
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void devlink_net_set(struct devlink *devlink, struct net *net) { if (WARN_ON(devlink->registered)) return; __devlink_net_set(devlink, net); } EXPORT_SYMBOL_GPL(devlink_net_set); |
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static struct devlink *devlink_get_from_attrs(struct net *net, struct nlattr **attrs) { struct devlink *devlink; char *busname; char *devname; if (!attrs[DEVLINK_ATTR_BUS_NAME] || !attrs[DEVLINK_ATTR_DEV_NAME]) return ERR_PTR(-EINVAL); busname = nla_data(attrs[DEVLINK_ATTR_BUS_NAME]); devname = nla_data(attrs[DEVLINK_ATTR_DEV_NAME]); |
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lockdep_assert_held(&devlink_mutex); |
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list_for_each_entry(devlink, &devlink_list, list) { if (strcmp(devlink->dev->bus->name, busname) == 0 && strcmp(dev_name(devlink->dev), devname) == 0 && net_eq(devlink_net(devlink), net)) return devlink; } return ERR_PTR(-ENODEV); } static struct devlink *devlink_get_from_info(struct genl_info *info) { return devlink_get_from_attrs(genl_info_net(info), info->attrs); } static struct devlink_port *devlink_port_get_by_index(struct devlink *devlink, |
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unsigned int port_index) |
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{ struct devlink_port *devlink_port; list_for_each_entry(devlink_port, &devlink->port_list, list) { if (devlink_port->index == port_index) return devlink_port; } return NULL; } |
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static bool devlink_port_index_exists(struct devlink *devlink, unsigned int port_index) |
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{ return devlink_port_get_by_index(devlink, port_index); } static struct devlink_port *devlink_port_get_from_attrs(struct devlink *devlink, struct nlattr **attrs) { if (attrs[DEVLINK_ATTR_PORT_INDEX]) { u32 port_index = nla_get_u32(attrs[DEVLINK_ATTR_PORT_INDEX]); struct devlink_port *devlink_port; devlink_port = devlink_port_get_by_index(devlink, port_index); if (!devlink_port) return ERR_PTR(-ENODEV); return devlink_port; } return ERR_PTR(-EINVAL); } static struct devlink_port *devlink_port_get_from_info(struct devlink *devlink, struct genl_info *info) { return devlink_port_get_from_attrs(devlink, info->attrs); } |
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struct devlink_sb { struct list_head list; unsigned int index; u32 size; u16 ingress_pools_count; u16 egress_pools_count; u16 ingress_tc_count; u16 egress_tc_count; }; static u16 devlink_sb_pool_count(struct devlink_sb *devlink_sb) { return devlink_sb->ingress_pools_count + devlink_sb->egress_pools_count; } static struct devlink_sb *devlink_sb_get_by_index(struct devlink *devlink, unsigned int sb_index) { struct devlink_sb *devlink_sb; list_for_each_entry(devlink_sb, &devlink->sb_list, list) { if (devlink_sb->index == sb_index) return devlink_sb; } return NULL; } static bool devlink_sb_index_exists(struct devlink *devlink, unsigned int sb_index) { return devlink_sb_get_by_index(devlink, sb_index); } static struct devlink_sb *devlink_sb_get_from_attrs(struct devlink *devlink, struct nlattr **attrs) { if (attrs[DEVLINK_ATTR_SB_INDEX]) { u32 sb_index = nla_get_u32(attrs[DEVLINK_ATTR_SB_INDEX]); struct devlink_sb *devlink_sb; devlink_sb = devlink_sb_get_by_index(devlink, sb_index); if (!devlink_sb) return ERR_PTR(-ENODEV); return devlink_sb; } return ERR_PTR(-EINVAL); } static struct devlink_sb *devlink_sb_get_from_info(struct devlink *devlink, struct genl_info *info) { return devlink_sb_get_from_attrs(devlink, info->attrs); } static int devlink_sb_pool_index_get_from_attrs(struct devlink_sb *devlink_sb, struct nlattr **attrs, u16 *p_pool_index) { u16 val; if (!attrs[DEVLINK_ATTR_SB_POOL_INDEX]) return -EINVAL; val = nla_get_u16(attrs[DEVLINK_ATTR_SB_POOL_INDEX]); if (val >= devlink_sb_pool_count(devlink_sb)) return -EINVAL; *p_pool_index = val; return 0; } static int devlink_sb_pool_index_get_from_info(struct devlink_sb *devlink_sb, struct genl_info *info, u16 *p_pool_index) { return devlink_sb_pool_index_get_from_attrs(devlink_sb, info->attrs, p_pool_index); } static int devlink_sb_pool_type_get_from_attrs(struct nlattr **attrs, enum devlink_sb_pool_type *p_pool_type) { u8 val; if (!attrs[DEVLINK_ATTR_SB_POOL_TYPE]) return -EINVAL; val = nla_get_u8(attrs[DEVLINK_ATTR_SB_POOL_TYPE]); if (val != DEVLINK_SB_POOL_TYPE_INGRESS && val != DEVLINK_SB_POOL_TYPE_EGRESS) return -EINVAL; *p_pool_type = val; return 0; } static int devlink_sb_pool_type_get_from_info(struct genl_info *info, enum devlink_sb_pool_type *p_pool_type) { return devlink_sb_pool_type_get_from_attrs(info->attrs, p_pool_type); } static int devlink_sb_th_type_get_from_attrs(struct nlattr **attrs, enum devlink_sb_threshold_type *p_th_type) { u8 val; if (!attrs[DEVLINK_ATTR_SB_POOL_THRESHOLD_TYPE]) return -EINVAL; val = nla_get_u8(attrs[DEVLINK_ATTR_SB_POOL_THRESHOLD_TYPE]); if (val != DEVLINK_SB_THRESHOLD_TYPE_STATIC && val != DEVLINK_SB_THRESHOLD_TYPE_DYNAMIC) return -EINVAL; *p_th_type = val; return 0; } static int devlink_sb_th_type_get_from_info(struct genl_info *info, enum devlink_sb_threshold_type *p_th_type) { return devlink_sb_th_type_get_from_attrs(info->attrs, p_th_type); } static int devlink_sb_tc_index_get_from_attrs(struct devlink_sb *devlink_sb, struct nlattr **attrs, enum devlink_sb_pool_type pool_type, u16 *p_tc_index) { u16 val; if (!attrs[DEVLINK_ATTR_SB_TC_INDEX]) return -EINVAL; val = nla_get_u16(attrs[DEVLINK_ATTR_SB_TC_INDEX]); if (pool_type == DEVLINK_SB_POOL_TYPE_INGRESS && val >= devlink_sb->ingress_tc_count) return -EINVAL; if (pool_type == DEVLINK_SB_POOL_TYPE_EGRESS && val >= devlink_sb->egress_tc_count) return -EINVAL; *p_tc_index = val; return 0; } static int devlink_sb_tc_index_get_from_info(struct devlink_sb *devlink_sb, struct genl_info *info, enum devlink_sb_pool_type pool_type, u16 *p_tc_index) { return devlink_sb_tc_index_get_from_attrs(devlink_sb, info->attrs, pool_type, p_tc_index); } |
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struct devlink_region { struct devlink *devlink; |
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struct devlink_port *port; |
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struct list_head list; |
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union { const struct devlink_region_ops *ops; const struct devlink_port_region_ops *port_ops; }; |
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struct list_head snapshot_list; u32 max_snapshots; u32 cur_snapshots; u64 size; }; |
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struct devlink_snapshot { struct list_head list; struct devlink_region *region; |
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u8 *data; u32 id; }; |
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static struct devlink_region * devlink_region_get_by_name(struct devlink *devlink, const char *region_name) { struct devlink_region *region; list_for_each_entry(region, &devlink->region_list, list) |
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if (!strcmp(region->ops->name, region_name)) |
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return region; return NULL; } |
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static struct devlink_region * devlink_port_region_get_by_name(struct devlink_port *port, const char *region_name) { struct devlink_region *region; list_for_each_entry(region, &port->region_list, list) if (!strcmp(region->ops->name, region_name)) return region; return NULL; } |
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static struct devlink_snapshot * devlink_region_snapshot_get_by_id(struct devlink_region *region, u32 id) { struct devlink_snapshot *snapshot; list_for_each_entry(snapshot, ®ion->snapshot_list, list) if (snapshot->id == id) return snapshot; return NULL; } |
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#define DEVLINK_NL_FLAG_NEED_PORT BIT(0) #define DEVLINK_NL_FLAG_NEED_DEVLINK_OR_PORT BIT(1) |
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/* The per devlink instance lock is taken by default in the pre-doit * operation, yet several commands do not require this. The global * devlink lock is taken and protects from disruption by user-calls. */ |
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#define DEVLINK_NL_FLAG_NO_LOCK BIT(2) |
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static int devlink_nl_pre_doit(const struct genl_ops *ops, struct sk_buff *skb, struct genl_info *info) { |
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struct devlink_port *devlink_port; |
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struct devlink *devlink; |
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int err; |
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mutex_lock(&devlink_mutex); devlink = devlink_get_from_info(info); if (IS_ERR(devlink)) { mutex_unlock(&devlink_mutex); return PTR_ERR(devlink); } |
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if (~ops->internal_flags & DEVLINK_NL_FLAG_NO_LOCK) mutex_lock(&devlink->lock); |
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info->user_ptr[0] = devlink; if (ops->internal_flags & DEVLINK_NL_FLAG_NEED_PORT) { |
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devlink_port = devlink_port_get_from_info(devlink, info); if (IS_ERR(devlink_port)) { |
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err = PTR_ERR(devlink_port); goto unlock; |
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} |
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info->user_ptr[1] = devlink_port; |
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} else if (ops->internal_flags & DEVLINK_NL_FLAG_NEED_DEVLINK_OR_PORT) { |
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devlink_port = devlink_port_get_from_info(devlink, info); if (!IS_ERR(devlink_port)) info->user_ptr[1] = devlink_port; |
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} return 0; |
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unlock: if (~ops->internal_flags & DEVLINK_NL_FLAG_NO_LOCK) mutex_unlock(&devlink->lock); mutex_unlock(&devlink_mutex); return err; |
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} static void devlink_nl_post_doit(const struct genl_ops *ops, struct sk_buff *skb, struct genl_info *info) { |
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struct devlink *devlink; |
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devlink = info->user_ptr[0]; if (~ops->internal_flags & DEVLINK_NL_FLAG_NO_LOCK) |
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mutex_unlock(&devlink->lock); |
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mutex_unlock(&devlink_mutex); } |
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static struct genl_family devlink_nl_family; |
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enum devlink_multicast_groups { DEVLINK_MCGRP_CONFIG, }; static const struct genl_multicast_group devlink_nl_mcgrps[] = { [DEVLINK_MCGRP_CONFIG] = { .name = DEVLINK_GENL_MCGRP_CONFIG_NAME }, }; static int devlink_nl_put_handle(struct sk_buff *msg, struct devlink *devlink) { if (nla_put_string(msg, DEVLINK_ATTR_BUS_NAME, devlink->dev->bus->name)) return -EMSGSIZE; if (nla_put_string(msg, DEVLINK_ATTR_DEV_NAME, dev_name(devlink->dev))) return -EMSGSIZE; return 0; } |
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struct devlink_reload_combination { enum devlink_reload_action action; enum devlink_reload_limit limit; }; static const struct devlink_reload_combination devlink_reload_invalid_combinations[] = { { /* can't reinitialize driver with no down time */ .action = DEVLINK_RELOAD_ACTION_DRIVER_REINIT, .limit = DEVLINK_RELOAD_LIMIT_NO_RESET, }, }; static bool devlink_reload_combination_is_invalid(enum devlink_reload_action action, enum devlink_reload_limit limit) { int i; for (i = 0; i < ARRAY_SIZE(devlink_reload_invalid_combinations); i++) if (devlink_reload_invalid_combinations[i].action == action && devlink_reload_invalid_combinations[i].limit == limit) return true; return false; } |
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static bool devlink_reload_action_is_supported(struct devlink *devlink, enum devlink_reload_action action) { return test_bit(action, &devlink->ops->reload_actions); } |
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static bool devlink_reload_limit_is_supported(struct devlink *devlink, enum devlink_reload_limit limit) { return test_bit(limit, &devlink->ops->reload_limits); } |
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static int devlink_reload_stat_put(struct sk_buff *msg, |
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enum devlink_reload_limit limit, u32 value) { struct nlattr *reload_stats_entry; reload_stats_entry = nla_nest_start(msg, DEVLINK_ATTR_RELOAD_STATS_ENTRY); if (!reload_stats_entry) return -EMSGSIZE; |
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if (nla_put_u8(msg, DEVLINK_ATTR_RELOAD_STATS_LIMIT, limit) || |
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nla_put_u32(msg, DEVLINK_ATTR_RELOAD_STATS_VALUE, value)) goto nla_put_failure; nla_nest_end(msg, reload_stats_entry); return 0; nla_put_failure: nla_nest_cancel(msg, reload_stats_entry); return -EMSGSIZE; } |
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static int devlink_reload_stats_put(struct sk_buff *msg, struct devlink *devlink, bool is_remote) |
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{ |
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struct nlattr *reload_stats_attr, *act_info, *act_stats; |
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int i, j, stat_idx; u32 value; |
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if (!is_remote) reload_stats_attr = nla_nest_start(msg, DEVLINK_ATTR_RELOAD_STATS); else reload_stats_attr = nla_nest_start(msg, DEVLINK_ATTR_REMOTE_RELOAD_STATS); |
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if (!reload_stats_attr) return -EMSGSIZE; |
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for (i = 0; i <= DEVLINK_RELOAD_ACTION_MAX; i++) { if ((!is_remote && !devlink_reload_action_is_supported(devlink, i)) || i == DEVLINK_RELOAD_ACTION_UNSPEC) |
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continue; |
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act_info = nla_nest_start(msg, DEVLINK_ATTR_RELOAD_ACTION_INFO); if (!act_info) goto nla_put_failure; if (nla_put_u8(msg, DEVLINK_ATTR_RELOAD_ACTION, i)) goto action_info_nest_cancel; act_stats = nla_nest_start(msg, DEVLINK_ATTR_RELOAD_ACTION_STATS); if (!act_stats) goto action_info_nest_cancel; for (j = 0; j <= DEVLINK_RELOAD_LIMIT_MAX; j++) { /* Remote stats are shown even if not locally supported. * Stats of actions with unspecified limit are shown * though drivers don't need to register unspecified * limit. */ if ((!is_remote && j != DEVLINK_RELOAD_LIMIT_UNSPEC && !devlink_reload_limit_is_supported(devlink, j)) || |
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devlink_reload_combination_is_invalid(i, j)) continue; stat_idx = j * __DEVLINK_RELOAD_ACTION_MAX + i; |
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if (!is_remote) value = devlink->stats.reload_stats[stat_idx]; else value = devlink->stats.remote_reload_stats[stat_idx]; |
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if (devlink_reload_stat_put(msg, j, value)) goto action_stats_nest_cancel; |
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} |
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nla_nest_end(msg, act_stats); nla_nest_end(msg, act_info); |
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} nla_nest_end(msg, reload_stats_attr); return 0; |
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action_stats_nest_cancel: nla_nest_cancel(msg, act_stats); action_info_nest_cancel: nla_nest_cancel(msg, act_info); |
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nla_put_failure: nla_nest_cancel(msg, reload_stats_attr); return -EMSGSIZE; } |
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static int devlink_nl_fill(struct sk_buff *msg, struct devlink *devlink, enum devlink_command cmd, u32 portid, u32 seq, int flags) { |
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struct nlattr *dev_stats; |
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void *hdr; hdr = genlmsg_put(msg, portid, seq, &devlink_nl_family, flags, cmd); if (!hdr) return -EMSGSIZE; if (devlink_nl_put_handle(msg, devlink)) goto nla_put_failure; |
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if (nla_put_u8(msg, DEVLINK_ATTR_RELOAD_FAILED, devlink->reload_failed)) goto nla_put_failure; |
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|
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dev_stats = nla_nest_start(msg, DEVLINK_ATTR_DEV_STATS); if (!dev_stats) goto nla_put_failure; |
77069ba2e devlink: Add remo... |
592 593 594 |
if (devlink_reload_stats_put(msg, devlink, false)) goto dev_stats_nest_cancel; if (devlink_reload_stats_put(msg, devlink, true)) |
a254c2642 devlink: Add relo... |
595 596 597 |
goto dev_stats_nest_cancel; nla_nest_end(msg, dev_stats); |
bfcd3a466 Introduce devlink... |
598 599 |
genlmsg_end(msg, hdr); return 0; |
a254c2642 devlink: Add relo... |
600 601 |
dev_stats_nest_cancel: nla_nest_cancel(msg, dev_stats); |
bfcd3a466 Introduce devlink... |
602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 |
nla_put_failure: genlmsg_cancel(msg, hdr); return -EMSGSIZE; } static void devlink_notify(struct devlink *devlink, enum devlink_command cmd) { struct sk_buff *msg; int err; WARN_ON(cmd != DEVLINK_CMD_NEW && cmd != DEVLINK_CMD_DEL); msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); if (!msg) return; err = devlink_nl_fill(msg, devlink, cmd, 0, 0, 0); if (err) { nlmsg_free(msg); return; } genlmsg_multicast_netns(&devlink_nl_family, devlink_net(devlink), msg, 0, DEVLINK_MCGRP_CONFIG, GFP_KERNEL); } |
b9ffcbaf5 devlink: introduc... |
627 628 629 630 |
static int devlink_nl_port_attrs_put(struct sk_buff *msg, struct devlink_port *devlink_port) { struct devlink_port_attrs *attrs = &devlink_port->attrs; |
10a429bab devlink: Move set... |
631 |
if (!devlink_port->attrs_set) |
b9ffcbaf5 devlink: introduc... |
632 |
return 0; |
a21cf0a83 devlink: Add a ne... |
633 634 635 636 |
if (attrs->lanes) { if (nla_put_u32(msg, DEVLINK_ATTR_PORT_LANES, attrs->lanes)) return -EMSGSIZE; } |
a0f49b548 devlink: Add a ne... |
637 638 |
if (nla_put_u8(msg, DEVLINK_ATTR_PORT_SPLITTABLE, attrs->splittable)) return -EMSGSIZE; |
5ec1380a2 devlink: extend a... |
639 640 |
if (nla_put_u16(msg, DEVLINK_ATTR_PORT_FLAVOUR, attrs->flavour)) return -EMSGSIZE; |
58b6be417 devlink: Use swit... |
641 642 |
switch (devlink_port->attrs.flavour) { case DEVLINK_PORT_FLAVOUR_PCI_PF: |
3a2d9588c devlink: Introduc... |
643 644 645 |
if (nla_put_u32(msg, DEVLINK_ATTR_PORT_CONTROLLER_NUMBER, attrs->pci_pf.controller) || nla_put_u16(msg, DEVLINK_ATTR_PORT_PCI_PF_NUMBER, attrs->pci_pf.pf)) |
98fd2d656 devlink: Introduc... |
646 |
return -EMSGSIZE; |
05b595e9c devlink: Introduc... |
647 648 |
if (nla_put_u8(msg, DEVLINK_ATTR_PORT_EXTERNAL, attrs->pci_pf.external)) return -EMSGSIZE; |
58b6be417 devlink: Use swit... |
649 650 |
break; case DEVLINK_PORT_FLAVOUR_PCI_VF: |
3a2d9588c devlink: Introduc... |
651 652 653 654 |
if (nla_put_u32(msg, DEVLINK_ATTR_PORT_CONTROLLER_NUMBER, attrs->pci_vf.controller) || nla_put_u16(msg, DEVLINK_ATTR_PORT_PCI_PF_NUMBER, attrs->pci_vf.pf) || nla_put_u16(msg, DEVLINK_ATTR_PORT_PCI_VF_NUMBER, attrs->pci_vf.vf)) |
e41b6bf3c devlink: Introduc... |
655 |
return -EMSGSIZE; |
05b595e9c devlink: Introduc... |
656 657 |
if (nla_put_u8(msg, DEVLINK_ATTR_PORT_EXTERNAL, attrs->pci_vf.external)) return -EMSGSIZE; |
58b6be417 devlink: Use swit... |
658 659 660 661 |
break; case DEVLINK_PORT_FLAVOUR_PHYSICAL: case DEVLINK_PORT_FLAVOUR_CPU: case DEVLINK_PORT_FLAVOUR_DSA: |
acf1ee44c devlink: Introduc... |
662 |
case DEVLINK_PORT_FLAVOUR_VIRTUAL: |
58b6be417 devlink: Use swit... |
663 664 665 666 667 668 669 670 671 672 673 674 675 676 |
if (nla_put_u32(msg, DEVLINK_ATTR_PORT_NUMBER, attrs->phys.port_number)) return -EMSGSIZE; if (!attrs->split) return 0; if (nla_put_u32(msg, DEVLINK_ATTR_PORT_SPLIT_GROUP, attrs->phys.port_number)) return -EMSGSIZE; if (nla_put_u32(msg, DEVLINK_ATTR_PORT_SPLIT_SUBPORT_NUMBER, attrs->phys.split_subport_number)) return -EMSGSIZE; break; default: break; |
98fd2d656 devlink: Introduc... |
677 |
} |
b9ffcbaf5 devlink: introduc... |
678 679 |
return 0; } |
2a916ecc4 net/devlink: Supp... |
680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 |
static int devlink_nl_port_function_attrs_put(struct sk_buff *msg, struct devlink_port *port, struct netlink_ext_ack *extack) { struct devlink *devlink = port->devlink; const struct devlink_ops *ops; struct nlattr *function_attr; bool empty_nest = true; int err = 0; function_attr = nla_nest_start_noflag(msg, DEVLINK_ATTR_PORT_FUNCTION); if (!function_attr) return -EMSGSIZE; ops = devlink->ops; if (ops->port_function_hw_addr_get) { |
29cb9868f net/core/devlink.... |
696 |
int hw_addr_len; |
2a916ecc4 net/devlink: Supp... |
697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 |
u8 hw_addr[MAX_ADDR_LEN]; err = ops->port_function_hw_addr_get(devlink, port, hw_addr, &hw_addr_len, extack); if (err == -EOPNOTSUPP) { /* Port function attributes are optional for a port. If port doesn't * support function attribute, returning -EOPNOTSUPP is not an error. */ err = 0; goto out; } else if (err) { goto out; } err = nla_put(msg, DEVLINK_PORT_FUNCTION_ATTR_HW_ADDR, hw_addr_len, hw_addr); if (err) goto out; empty_nest = false; } out: if (err || empty_nest) nla_nest_cancel(msg, function_attr); else nla_nest_end(msg, function_attr); return err; } |
bfcd3a466 Introduce devlink... |
722 723 724 |
static int devlink_nl_port_fill(struct sk_buff *msg, struct devlink *devlink, struct devlink_port *devlink_port, enum devlink_command cmd, u32 portid, |
a829eb0d5 net/devlink: Prep... |
725 726 |
u32 seq, int flags, struct netlink_ext_ack *extack) |
bfcd3a466 Introduce devlink... |
727 728 729 730 731 732 733 734 735 736 737 |
{ void *hdr; hdr = genlmsg_put(msg, portid, seq, &devlink_nl_family, flags, cmd); if (!hdr) return -EMSGSIZE; if (devlink_nl_put_handle(msg, devlink)) goto nla_put_failure; if (nla_put_u32(msg, DEVLINK_ATTR_PORT_INDEX, devlink_port->index)) goto nla_put_failure; |
b8f975545 net: devlink: add... |
738 |
|
b187c9b41 devlink: Hold rtn... |
739 740 |
/* Hold rtnl lock while accessing port's netdev attributes. */ rtnl_lock(); |
0f420b6c5 devlink: Add pack... |
741 |
spin_lock_bh(&devlink_port->type_lock); |
bfcd3a466 Introduce devlink... |
742 |
if (nla_put_u16(msg, DEVLINK_ATTR_PORT_TYPE, devlink_port->type)) |
b8f975545 net: devlink: add... |
743 |
goto nla_put_failure_type_locked; |
bfcd3a466 Introduce devlink... |
744 745 746 |
if (devlink_port->desired_type != DEVLINK_PORT_TYPE_NOTSET && nla_put_u16(msg, DEVLINK_ATTR_PORT_DESIRED_TYPE, devlink_port->desired_type)) |
b8f975545 net: devlink: add... |
747 |
goto nla_put_failure_type_locked; |
bfcd3a466 Introduce devlink... |
748 |
if (devlink_port->type == DEVLINK_PORT_TYPE_ETH) { |
a7b436495 devlink: Make sur... |
749 |
struct net *net = devlink_net(devlink_port->devlink); |
bfcd3a466 Introduce devlink... |
750 |
struct net_device *netdev = devlink_port->type_dev; |
a7b436495 devlink: Make sur... |
751 |
if (netdev && net_eq(net, dev_net(netdev)) && |
bfcd3a466 Introduce devlink... |
752 753 754 755 |
(nla_put_u32(msg, DEVLINK_ATTR_PORT_NETDEV_IFINDEX, netdev->ifindex) || nla_put_string(msg, DEVLINK_ATTR_PORT_NETDEV_NAME, netdev->name))) |
b8f975545 net: devlink: add... |
756 |
goto nla_put_failure_type_locked; |
bfcd3a466 Introduce devlink... |
757 758 759 760 761 762 763 |
} if (devlink_port->type == DEVLINK_PORT_TYPE_IB) { struct ib_device *ibdev = devlink_port->type_dev; if (ibdev && nla_put_string(msg, DEVLINK_ATTR_PORT_IBDEV_NAME, ibdev->name)) |
b8f975545 net: devlink: add... |
764 |
goto nla_put_failure_type_locked; |
bfcd3a466 Introduce devlink... |
765 |
} |
0f420b6c5 devlink: Add pack... |
766 |
spin_unlock_bh(&devlink_port->type_lock); |
b187c9b41 devlink: Hold rtn... |
767 |
rtnl_unlock(); |
b9ffcbaf5 devlink: introduc... |
768 |
if (devlink_nl_port_attrs_put(msg, devlink_port)) |
bfcd3a466 Introduce devlink... |
769 |
goto nla_put_failure; |
2a916ecc4 net/devlink: Supp... |
770 771 |
if (devlink_nl_port_function_attrs_put(msg, devlink_port, extack)) goto nla_put_failure; |
bfcd3a466 Introduce devlink... |
772 773 774 |
genlmsg_end(msg, hdr); return 0; |
b8f975545 net: devlink: add... |
775 |
nla_put_failure_type_locked: |
0f420b6c5 devlink: Add pack... |
776 |
spin_unlock_bh(&devlink_port->type_lock); |
b187c9b41 devlink: Hold rtn... |
777 |
rtnl_unlock(); |
bfcd3a466 Introduce devlink... |
778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 |
nla_put_failure: genlmsg_cancel(msg, hdr); return -EMSGSIZE; } static void devlink_port_notify(struct devlink_port *devlink_port, enum devlink_command cmd) { struct devlink *devlink = devlink_port->devlink; struct sk_buff *msg; int err; if (!devlink_port->registered) return; WARN_ON(cmd != DEVLINK_CMD_PORT_NEW && cmd != DEVLINK_CMD_PORT_DEL); msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); if (!msg) return; |
a829eb0d5 net/devlink: Prep... |
798 799 |
err = devlink_nl_port_fill(msg, devlink, devlink_port, cmd, 0, 0, 0, NULL); |
bfcd3a466 Introduce devlink... |
800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 |
if (err) { nlmsg_free(msg); return; } genlmsg_multicast_netns(&devlink_nl_family, devlink_net(devlink), msg, 0, DEVLINK_MCGRP_CONFIG, GFP_KERNEL); } static int devlink_nl_cmd_get_doit(struct sk_buff *skb, struct genl_info *info) { struct devlink *devlink = info->user_ptr[0]; struct sk_buff *msg; int err; msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); if (!msg) return -ENOMEM; err = devlink_nl_fill(msg, devlink, DEVLINK_CMD_NEW, info->snd_portid, info->snd_seq, 0); if (err) { nlmsg_free(msg); return err; } return genlmsg_reply(msg, info); } static int devlink_nl_cmd_get_dumpit(struct sk_buff *msg, struct netlink_callback *cb) { struct devlink *devlink; int start = cb->args[0]; int idx = 0; int err; mutex_lock(&devlink_mutex); list_for_each_entry(devlink, &devlink_list, list) { if (!net_eq(devlink_net(devlink), sock_net(msg->sk))) continue; if (idx < start) { idx++; continue; } err = devlink_nl_fill(msg, devlink, DEVLINK_CMD_NEW, NETLINK_CB(cb->skb).portid, cb->nlh->nlmsg_seq, NLM_F_MULTI); if (err) goto out; idx++; } out: mutex_unlock(&devlink_mutex); cb->args[0] = idx; return msg->len; } static int devlink_nl_cmd_port_get_doit(struct sk_buff *skb, struct genl_info *info) { |
637989b5d devlink: Always u... |
862 |
struct devlink_port *devlink_port = info->user_ptr[1]; |
1fc2257e8 devlink: share us... |
863 |
struct devlink *devlink = devlink_port->devlink; |
bfcd3a466 Introduce devlink... |
864 865 866 867 868 869 870 871 872 |
struct sk_buff *msg; int err; msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); if (!msg) return -ENOMEM; err = devlink_nl_port_fill(msg, devlink, devlink_port, DEVLINK_CMD_PORT_NEW, |
a829eb0d5 net/devlink: Prep... |
873 874 |
info->snd_portid, info->snd_seq, 0, info->extack); |
bfcd3a466 Introduce devlink... |
875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 |
if (err) { nlmsg_free(msg); return err; } return genlmsg_reply(msg, info); } static int devlink_nl_cmd_port_get_dumpit(struct sk_buff *msg, struct netlink_callback *cb) { struct devlink *devlink; struct devlink_port *devlink_port; int start = cb->args[0]; int idx = 0; int err; mutex_lock(&devlink_mutex); |
bfcd3a466 Introduce devlink... |
893 894 895 |
list_for_each_entry(devlink, &devlink_list, list) { if (!net_eq(devlink_net(devlink), sock_net(msg->sk))) continue; |
2406e7e54 devlink: Add per ... |
896 |
mutex_lock(&devlink->lock); |
bfcd3a466 Introduce devlink... |
897 898 899 900 901 902 903 904 905 |
list_for_each_entry(devlink_port, &devlink->port_list, list) { if (idx < start) { idx++; continue; } err = devlink_nl_port_fill(msg, devlink, devlink_port, DEVLINK_CMD_NEW, NETLINK_CB(cb->skb).portid, cb->nlh->nlmsg_seq, |
a829eb0d5 net/devlink: Prep... |
906 907 |
NLM_F_MULTI, cb->extack); |
2406e7e54 devlink: Add per ... |
908 909 |
if (err) { mutex_unlock(&devlink->lock); |
bfcd3a466 Introduce devlink... |
910 |
goto out; |
2406e7e54 devlink: Add per ... |
911 |
} |
bfcd3a466 Introduce devlink... |
912 913 |
idx++; } |
2406e7e54 devlink: Add per ... |
914 |
mutex_unlock(&devlink->lock); |
bfcd3a466 Introduce devlink... |
915 916 |
} out: |
bfcd3a466 Introduce devlink... |
917 918 919 920 921 922 923 924 925 926 927 928 |
mutex_unlock(&devlink_mutex); cb->args[0] = idx; return msg->len; } static int devlink_port_type_set(struct devlink *devlink, struct devlink_port *devlink_port, enum devlink_port_type port_type) { int err; |
be6fe1d8e devlink: require ... |
929 |
if (devlink->ops->port_type_set) { |
6edf10173 devlink: Prevent ... |
930 931 |
if (port_type == devlink_port->type) return 0; |
bfcd3a466 Introduce devlink... |
932 933 934 935 936 937 938 939 940 |
err = devlink->ops->port_type_set(devlink_port, port_type); if (err) return err; devlink_port->desired_type = port_type; devlink_port_notify(devlink_port, DEVLINK_CMD_PORT_NEW); return 0; } return -EOPNOTSUPP; } |
a1e8ae907 net/devlink: Supp... |
941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 |
static int devlink_port_function_hw_addr_set(struct devlink *devlink, struct devlink_port *port, const struct nlattr *attr, struct netlink_ext_ack *extack) { const struct devlink_ops *ops; const u8 *hw_addr; int hw_addr_len; int err; hw_addr = nla_data(attr); hw_addr_len = nla_len(attr); if (hw_addr_len > MAX_ADDR_LEN) { NL_SET_ERR_MSG_MOD(extack, "Port function hardware address too long"); return -EINVAL; } if (port->type == DEVLINK_PORT_TYPE_ETH) { if (hw_addr_len != ETH_ALEN) { NL_SET_ERR_MSG_MOD(extack, "Address must be 6 bytes for Ethernet device"); return -EINVAL; } if (!is_unicast_ether_addr(hw_addr)) { NL_SET_ERR_MSG_MOD(extack, "Non-unicast hardware address unsupported"); return -EINVAL; } } ops = devlink->ops; if (!ops->port_function_hw_addr_set) { NL_SET_ERR_MSG_MOD(extack, "Port doesn't support function attributes"); return -EOPNOTSUPP; } err = ops->port_function_hw_addr_set(devlink, port, hw_addr, hw_addr_len, extack); if (err) return err; devlink_port_notify(port, DEVLINK_CMD_PORT_NEW); return 0; } static int devlink_port_function_set(struct devlink *devlink, struct devlink_port *port, const struct nlattr *attr, struct netlink_ext_ack *extack) { struct nlattr *tb[DEVLINK_PORT_FUNCTION_ATTR_MAX + 1]; int err; err = nla_parse_nested(tb, DEVLINK_PORT_FUNCTION_ATTR_MAX, attr, devlink_function_nl_policy, extack); if (err < 0) { NL_SET_ERR_MSG_MOD(extack, "Fail to parse port function attributes"); return err; } attr = tb[DEVLINK_PORT_FUNCTION_ATTR_HW_ADDR]; if (attr) err = devlink_port_function_hw_addr_set(devlink, port, attr, extack); return err; } |
bfcd3a466 Introduce devlink... |
1001 1002 1003 |
static int devlink_nl_cmd_port_set_doit(struct sk_buff *skb, struct genl_info *info) { |
637989b5d devlink: Always u... |
1004 |
struct devlink_port *devlink_port = info->user_ptr[1]; |
1fc2257e8 devlink: share us... |
1005 |
struct devlink *devlink = devlink_port->devlink; |
bfcd3a466 Introduce devlink... |
1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 |
int err; if (info->attrs[DEVLINK_ATTR_PORT_TYPE]) { enum devlink_port_type port_type; port_type = nla_get_u16(info->attrs[DEVLINK_ATTR_PORT_TYPE]); err = devlink_port_type_set(devlink, devlink_port, port_type); if (err) return err; } |
a1e8ae907 net/devlink: Supp... |
1016 1017 1018 1019 1020 1021 1022 1023 1024 |
if (info->attrs[DEVLINK_ATTR_PORT_FUNCTION]) { struct nlattr *attr = info->attrs[DEVLINK_ATTR_PORT_FUNCTION]; struct netlink_ext_ack *extack = info->extack; err = devlink_port_function_set(devlink, devlink_port, attr, extack); if (err) return err; } |
bfcd3a466 Introduce devlink... |
1025 1026 |
return 0; } |
ac0fc8a1b devlink: Add exta... |
1027 1028 |
static int devlink_port_split(struct devlink *devlink, u32 port_index, u32 count, struct netlink_ext_ack *extack) |
bfcd3a466 Introduce devlink... |
1029 1030 |
{ |
be6fe1d8e devlink: require ... |
1031 |
if (devlink->ops->port_split) |
ac0fc8a1b devlink: Add exta... |
1032 1033 |
return devlink->ops->port_split(devlink, port_index, count, extack); |
bfcd3a466 Introduce devlink... |
1034 1035 1036 1037 1038 1039 1040 |
return -EOPNOTSUPP; } static int devlink_nl_cmd_port_split_doit(struct sk_buff *skb, struct genl_info *info) { struct devlink *devlink = info->user_ptr[0]; |
82901ad16 devlink: Move inp... |
1041 |
struct devlink_port *devlink_port; |
bfcd3a466 Introduce devlink... |
1042 1043 1044 1045 1046 1047 |
u32 port_index; u32 count; if (!info->attrs[DEVLINK_ATTR_PORT_INDEX] || !info->attrs[DEVLINK_ATTR_PORT_SPLIT_COUNT]) return -EINVAL; |
82901ad16 devlink: Move inp... |
1048 |
devlink_port = devlink_port_get_from_info(devlink, info); |
bfcd3a466 Introduce devlink... |
1049 1050 |
port_index = nla_get_u32(info->attrs[DEVLINK_ATTR_PORT_INDEX]); count = nla_get_u32(info->attrs[DEVLINK_ATTR_PORT_SPLIT_COUNT]); |
82901ad16 devlink: Move inp... |
1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 |
if (IS_ERR(devlink_port)) return -EINVAL; if (!devlink_port->attrs.splittable) { /* Split ports cannot be split. */ if (devlink_port->attrs.split) NL_SET_ERR_MSG_MOD(info->extack, "Port cannot be split further"); else NL_SET_ERR_MSG_MOD(info->extack, "Port cannot be split"); return -EINVAL; } if (count < 2 || !is_power_of_2(count) || count > devlink_port->attrs.lanes) { NL_SET_ERR_MSG_MOD(info->extack, "Invalid split count"); return -EINVAL; } |
ac0fc8a1b devlink: Add exta... |
1068 |
return devlink_port_split(devlink, port_index, count, info->extack); |
bfcd3a466 Introduce devlink... |
1069 |
} |
ac0fc8a1b devlink: Add exta... |
1070 1071 |
static int devlink_port_unsplit(struct devlink *devlink, u32 port_index, struct netlink_ext_ack *extack) |
bfcd3a466 Introduce devlink... |
1072 1073 |
{ |
be6fe1d8e devlink: require ... |
1074 |
if (devlink->ops->port_unsplit) |
ac0fc8a1b devlink: Add exta... |
1075 |
return devlink->ops->port_unsplit(devlink, port_index, extack); |
bfcd3a466 Introduce devlink... |
1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 |
return -EOPNOTSUPP; } static int devlink_nl_cmd_port_unsplit_doit(struct sk_buff *skb, struct genl_info *info) { struct devlink *devlink = info->user_ptr[0]; u32 port_index; if (!info->attrs[DEVLINK_ATTR_PORT_INDEX]) return -EINVAL; port_index = nla_get_u32(info->attrs[DEVLINK_ATTR_PORT_INDEX]); |
ac0fc8a1b devlink: Add exta... |
1089 |
return devlink_port_unsplit(devlink, port_index, info->extack); |
bfcd3a466 Introduce devlink... |
1090 |
} |
bf7974710 devlink: add shar... |
1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 |
static int devlink_nl_sb_fill(struct sk_buff *msg, struct devlink *devlink, struct devlink_sb *devlink_sb, enum devlink_command cmd, u32 portid, u32 seq, int flags) { void *hdr; hdr = genlmsg_put(msg, portid, seq, &devlink_nl_family, flags, cmd); if (!hdr) return -EMSGSIZE; if (devlink_nl_put_handle(msg, devlink)) goto nla_put_failure; if (nla_put_u32(msg, DEVLINK_ATTR_SB_INDEX, devlink_sb->index)) goto nla_put_failure; if (nla_put_u32(msg, DEVLINK_ATTR_SB_SIZE, devlink_sb->size)) goto nla_put_failure; if (nla_put_u16(msg, DEVLINK_ATTR_SB_INGRESS_POOL_COUNT, devlink_sb->ingress_pools_count)) goto nla_put_failure; if (nla_put_u16(msg, DEVLINK_ATTR_SB_EGRESS_POOL_COUNT, devlink_sb->egress_pools_count)) goto nla_put_failure; if (nla_put_u16(msg, DEVLINK_ATTR_SB_INGRESS_TC_COUNT, devlink_sb->ingress_tc_count)) goto nla_put_failure; if (nla_put_u16(msg, DEVLINK_ATTR_SB_EGRESS_TC_COUNT, devlink_sb->egress_tc_count)) goto nla_put_failure; genlmsg_end(msg, hdr); return 0; nla_put_failure: genlmsg_cancel(msg, hdr); return -EMSGSIZE; } static int devlink_nl_cmd_sb_get_doit(struct sk_buff *skb, struct genl_info *info) { struct devlink *devlink = info->user_ptr[0]; |
637989b5d devlink: Always u... |
1133 |
struct devlink_sb *devlink_sb; |
bf7974710 devlink: add shar... |
1134 1135 |
struct sk_buff *msg; int err; |
637989b5d devlink: Always u... |
1136 1137 1138 |
devlink_sb = devlink_sb_get_from_info(devlink, info); if (IS_ERR(devlink_sb)) return PTR_ERR(devlink_sb); |
bf7974710 devlink: add shar... |
1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 |
msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); if (!msg) return -ENOMEM; err = devlink_nl_sb_fill(msg, devlink, devlink_sb, DEVLINK_CMD_SB_NEW, info->snd_portid, info->snd_seq, 0); if (err) { nlmsg_free(msg); return err; } return genlmsg_reply(msg, info); } static int devlink_nl_cmd_sb_get_dumpit(struct sk_buff *msg, struct netlink_callback *cb) { struct devlink *devlink; struct devlink_sb *devlink_sb; int start = cb->args[0]; int idx = 0; int err; mutex_lock(&devlink_mutex); list_for_each_entry(devlink, &devlink_list, list) { if (!net_eq(devlink_net(devlink), sock_net(msg->sk))) continue; |
2406e7e54 devlink: Add per ... |
1167 |
mutex_lock(&devlink->lock); |
bf7974710 devlink: add shar... |
1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 |
list_for_each_entry(devlink_sb, &devlink->sb_list, list) { if (idx < start) { idx++; continue; } err = devlink_nl_sb_fill(msg, devlink, devlink_sb, DEVLINK_CMD_SB_NEW, NETLINK_CB(cb->skb).portid, cb->nlh->nlmsg_seq, NLM_F_MULTI); |
2406e7e54 devlink: Add per ... |
1178 1179 |
if (err) { mutex_unlock(&devlink->lock); |
bf7974710 devlink: add shar... |
1180 |
goto out; |
2406e7e54 devlink: Add per ... |
1181 |
} |
bf7974710 devlink: add shar... |
1182 1183 |
idx++; } |
2406e7e54 devlink: Add per ... |
1184 |
mutex_unlock(&devlink->lock); |
bf7974710 devlink: add shar... |
1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 |
} out: mutex_unlock(&devlink_mutex); cb->args[0] = idx; return msg->len; } static int devlink_nl_sb_pool_fill(struct sk_buff *msg, struct devlink *devlink, struct devlink_sb *devlink_sb, u16 pool_index, enum devlink_command cmd, u32 portid, u32 seq, int flags) { struct devlink_sb_pool_info pool_info; void *hdr; int err; err = devlink->ops->sb_pool_get(devlink, devlink_sb->index, pool_index, &pool_info); if (err) return err; hdr = genlmsg_put(msg, portid, seq, &devlink_nl_family, flags, cmd); if (!hdr) return -EMSGSIZE; if (devlink_nl_put_handle(msg, devlink)) goto nla_put_failure; if (nla_put_u32(msg, DEVLINK_ATTR_SB_INDEX, devlink_sb->index)) goto nla_put_failure; if (nla_put_u16(msg, DEVLINK_ATTR_SB_POOL_INDEX, pool_index)) goto nla_put_failure; if (nla_put_u8(msg, DEVLINK_ATTR_SB_POOL_TYPE, pool_info.pool_type)) goto nla_put_failure; if (nla_put_u32(msg, DEVLINK_ATTR_SB_POOL_SIZE, pool_info.size)) goto nla_put_failure; if (nla_put_u8(msg, DEVLINK_ATTR_SB_POOL_THRESHOLD_TYPE, pool_info.threshold_type)) goto nla_put_failure; |
bff5731d4 net: devlink: rep... |
1224 1225 1226 |
if (nla_put_u32(msg, DEVLINK_ATTR_SB_POOL_CELL_SIZE, pool_info.cell_size)) goto nla_put_failure; |
bf7974710 devlink: add shar... |
1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 |
genlmsg_end(msg, hdr); return 0; nla_put_failure: genlmsg_cancel(msg, hdr); return -EMSGSIZE; } static int devlink_nl_cmd_sb_pool_get_doit(struct sk_buff *skb, struct genl_info *info) { struct devlink *devlink = info->user_ptr[0]; |
637989b5d devlink: Always u... |
1240 |
struct devlink_sb *devlink_sb; |
bf7974710 devlink: add shar... |
1241 1242 1243 |
struct sk_buff *msg; u16 pool_index; int err; |
637989b5d devlink: Always u... |
1244 1245 1246 |
devlink_sb = devlink_sb_get_from_info(devlink, info); if (IS_ERR(devlink_sb)) return PTR_ERR(devlink_sb); |
bf7974710 devlink: add shar... |
1247 1248 1249 1250 |
err = devlink_sb_pool_index_get_from_info(devlink_sb, info, &pool_index); if (err) return err; |
be6fe1d8e devlink: require ... |
1251 |
if (!devlink->ops->sb_pool_get) |
bf7974710 devlink: add shar... |
1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282 1283 1284 1285 1286 1287 1288 1289 1290 1291 1292 1293 1294 1295 1296 1297 1298 1299 1300 1301 |
return -EOPNOTSUPP; msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); if (!msg) return -ENOMEM; err = devlink_nl_sb_pool_fill(msg, devlink, devlink_sb, pool_index, DEVLINK_CMD_SB_POOL_NEW, info->snd_portid, info->snd_seq, 0); if (err) { nlmsg_free(msg); return err; } return genlmsg_reply(msg, info); } static int __sb_pool_get_dumpit(struct sk_buff *msg, int start, int *p_idx, struct devlink *devlink, struct devlink_sb *devlink_sb, u32 portid, u32 seq) { u16 pool_count = devlink_sb_pool_count(devlink_sb); u16 pool_index; int err; for (pool_index = 0; pool_index < pool_count; pool_index++) { if (*p_idx < start) { (*p_idx)++; continue; } err = devlink_nl_sb_pool_fill(msg, devlink, devlink_sb, pool_index, DEVLINK_CMD_SB_POOL_NEW, portid, seq, NLM_F_MULTI); if (err) return err; (*p_idx)++; } return 0; } static int devlink_nl_cmd_sb_pool_get_dumpit(struct sk_buff *msg, struct netlink_callback *cb) { struct devlink *devlink; struct devlink_sb *devlink_sb; int start = cb->args[0]; int idx = 0; |
c62c2cfb8 net: devlink: don... |
1302 |
int err = 0; |
bf7974710 devlink: add shar... |
1303 1304 1305 1306 |
mutex_lock(&devlink_mutex); list_for_each_entry(devlink, &devlink_list, list) { if (!net_eq(devlink_net(devlink), sock_net(msg->sk)) || |
be6fe1d8e devlink: require ... |
1307 |
!devlink->ops->sb_pool_get) |
bf7974710 devlink: add shar... |
1308 |
continue; |
2406e7e54 devlink: Add per ... |
1309 |
mutex_lock(&devlink->lock); |
bf7974710 devlink: add shar... |
1310 1311 1312 1313 1314 |
list_for_each_entry(devlink_sb, &devlink->sb_list, list) { err = __sb_pool_get_dumpit(msg, start, &idx, devlink, devlink_sb, NETLINK_CB(cb->skb).portid, cb->nlh->nlmsg_seq); |
82274d075 devlink: ignore -... |
1315 1316 1317 |
if (err == -EOPNOTSUPP) { err = 0; } else if (err) { |
2406e7e54 devlink: Add per ... |
1318 |
mutex_unlock(&devlink->lock); |
bf7974710 devlink: add shar... |
1319 |
goto out; |
2406e7e54 devlink: Add per ... |
1320 |
} |
bf7974710 devlink: add shar... |
1321 |
} |
2406e7e54 devlink: Add per ... |
1322 |
mutex_unlock(&devlink->lock); |
bf7974710 devlink: add shar... |
1323 1324 1325 |
} out: mutex_unlock(&devlink_mutex); |
c62c2cfb8 net: devlink: don... |
1326 1327 |
if (err != -EMSGSIZE) return err; |
bf7974710 devlink: add shar... |
1328 1329 1330 1331 1332 1333 |
cb->args[0] = idx; return msg->len; } static int devlink_sb_pool_set(struct devlink *devlink, unsigned int sb_index, u16 pool_index, u32 size, |
f2ad1a522 net: devlink: Add... |
1334 1335 |
enum devlink_sb_threshold_type threshold_type, struct netlink_ext_ack *extack) |
bf7974710 devlink: add shar... |
1336 1337 1338 |
{ const struct devlink_ops *ops = devlink->ops; |
be6fe1d8e devlink: require ... |
1339 |
if (ops->sb_pool_set) |
bf7974710 devlink: add shar... |
1340 |
return ops->sb_pool_set(devlink, sb_index, pool_index, |
f2ad1a522 net: devlink: Add... |
1341 |
size, threshold_type, extack); |
bf7974710 devlink: add shar... |
1342 1343 1344 1345 1346 1347 1348 |
return -EOPNOTSUPP; } static int devlink_nl_cmd_sb_pool_set_doit(struct sk_buff *skb, struct genl_info *info) { struct devlink *devlink = info->user_ptr[0]; |
bf7974710 devlink: add shar... |
1349 |
enum devlink_sb_threshold_type threshold_type; |
637989b5d devlink: Always u... |
1350 |
struct devlink_sb *devlink_sb; |
bf7974710 devlink: add shar... |
1351 1352 1353 |
u16 pool_index; u32 size; int err; |
637989b5d devlink: Always u... |
1354 1355 1356 |
devlink_sb = devlink_sb_get_from_info(devlink, info); if (IS_ERR(devlink_sb)) return PTR_ERR(devlink_sb); |
bf7974710 devlink: add shar... |
1357 1358 1359 1360 1361 1362 1363 1364 1365 1366 1367 1368 1369 1370 |
err = devlink_sb_pool_index_get_from_info(devlink_sb, info, &pool_index); if (err) return err; err = devlink_sb_th_type_get_from_info(info, &threshold_type); if (err) return err; if (!info->attrs[DEVLINK_ATTR_SB_POOL_SIZE]) return -EINVAL; size = nla_get_u32(info->attrs[DEVLINK_ATTR_SB_POOL_SIZE]); return devlink_sb_pool_set(devlink, devlink_sb->index, |
f2ad1a522 net: devlink: Add... |
1371 1372 |
pool_index, size, threshold_type, info->extack); |
bf7974710 devlink: add shar... |
1373 1374 1375 1376 1377 1378 1379 1380 1381 1382 |
} static int devlink_nl_sb_port_pool_fill(struct sk_buff *msg, struct devlink *devlink, struct devlink_port *devlink_port, struct devlink_sb *devlink_sb, u16 pool_index, enum devlink_command cmd, u32 portid, u32 seq, int flags) { |
df38dafd2 devlink: implemen... |
1383 |
const struct devlink_ops *ops = devlink->ops; |
bf7974710 devlink: add shar... |
1384 1385 1386 |
u32 threshold; void *hdr; int err; |
df38dafd2 devlink: implemen... |
1387 1388 |
err = ops->sb_port_pool_get(devlink_port, devlink_sb->index, pool_index, &threshold); |
bf7974710 devlink: add shar... |
1389 1390 1391 1392 1393 1394 1395 1396 1397 1398 1399 1400 1401 1402 1403 1404 1405 |
if (err) return err; hdr = genlmsg_put(msg, portid, seq, &devlink_nl_family, flags, cmd); if (!hdr) return -EMSGSIZE; if (devlink_nl_put_handle(msg, devlink)) goto nla_put_failure; if (nla_put_u32(msg, DEVLINK_ATTR_PORT_INDEX, devlink_port->index)) goto nla_put_failure; if (nla_put_u32(msg, DEVLINK_ATTR_SB_INDEX, devlink_sb->index)) goto nla_put_failure; if (nla_put_u16(msg, DEVLINK_ATTR_SB_POOL_INDEX, pool_index)) goto nla_put_failure; if (nla_put_u32(msg, DEVLINK_ATTR_SB_THRESHOLD, threshold)) goto nla_put_failure; |
df38dafd2 devlink: implemen... |
1406 1407 1408 1409 1410 1411 1412 |
if (ops->sb_occ_port_pool_get) { u32 cur; u32 max; err = ops->sb_occ_port_pool_get(devlink_port, devlink_sb->index, pool_index, &cur, &max); if (err && err != -EOPNOTSUPP) |
849920c70 devlink: Add miss... |
1413 |
goto sb_occ_get_failure; |
df38dafd2 devlink: implemen... |
1414 1415 1416 1417 1418 1419 1420 |
if (!err) { if (nla_put_u32(msg, DEVLINK_ATTR_SB_OCC_CUR, cur)) goto nla_put_failure; if (nla_put_u32(msg, DEVLINK_ATTR_SB_OCC_MAX, max)) goto nla_put_failure; } } |
bf7974710 devlink: add shar... |
1421 1422 1423 1424 |
genlmsg_end(msg, hdr); return 0; nla_put_failure: |
849920c70 devlink: Add miss... |
1425 1426 |
err = -EMSGSIZE; sb_occ_get_failure: |
bf7974710 devlink: add shar... |
1427 |
genlmsg_cancel(msg, hdr); |
849920c70 devlink: Add miss... |
1428 |
return err; |
bf7974710 devlink: add shar... |
1429 1430 1431 1432 1433 |
} static int devlink_nl_cmd_sb_port_pool_get_doit(struct sk_buff *skb, struct genl_info *info) { |
637989b5d devlink: Always u... |
1434 |
struct devlink_port *devlink_port = info->user_ptr[1]; |
bf7974710 devlink: add shar... |
1435 |
struct devlink *devlink = devlink_port->devlink; |
637989b5d devlink: Always u... |
1436 |
struct devlink_sb *devlink_sb; |
bf7974710 devlink: add shar... |
1437 1438 1439 |
struct sk_buff *msg; u16 pool_index; int err; |
637989b5d devlink: Always u... |
1440 1441 1442 |
devlink_sb = devlink_sb_get_from_info(devlink, info); if (IS_ERR(devlink_sb)) return PTR_ERR(devlink_sb); |
bf7974710 devlink: add shar... |
1443 1444 1445 1446 |
err = devlink_sb_pool_index_get_from_info(devlink_sb, info, &pool_index); if (err) return err; |
be6fe1d8e devlink: require ... |
1447 |
if (!devlink->ops->sb_port_pool_get) |
bf7974710 devlink: add shar... |
1448 1449 1450 1451 1452 1453 1454 1455 1456 1457 1458 1459 1460 1461 1462 1463 1464 1465 1466 1467 1468 1469 1470 1471 1472 1473 1474 1475 1476 1477 1478 1479 1480 1481 1482 1483 1484 1485 1486 1487 1488 1489 1490 1491 1492 1493 1494 1495 1496 1497 1498 1499 1500 1501 1502 1503 |
return -EOPNOTSUPP; msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); if (!msg) return -ENOMEM; err = devlink_nl_sb_port_pool_fill(msg, devlink, devlink_port, devlink_sb, pool_index, DEVLINK_CMD_SB_PORT_POOL_NEW, info->snd_portid, info->snd_seq, 0); if (err) { nlmsg_free(msg); return err; } return genlmsg_reply(msg, info); } static int __sb_port_pool_get_dumpit(struct sk_buff *msg, int start, int *p_idx, struct devlink *devlink, struct devlink_sb *devlink_sb, u32 portid, u32 seq) { struct devlink_port *devlink_port; u16 pool_count = devlink_sb_pool_count(devlink_sb); u16 pool_index; int err; list_for_each_entry(devlink_port, &devlink->port_list, list) { for (pool_index = 0; pool_index < pool_count; pool_index++) { if (*p_idx < start) { (*p_idx)++; continue; } err = devlink_nl_sb_port_pool_fill(msg, devlink, devlink_port, devlink_sb, pool_index, DEVLINK_CMD_SB_PORT_POOL_NEW, portid, seq, NLM_F_MULTI); if (err) return err; (*p_idx)++; } } return 0; } static int devlink_nl_cmd_sb_port_pool_get_dumpit(struct sk_buff *msg, struct netlink_callback *cb) { struct devlink *devlink; struct devlink_sb *devlink_sb; int start = cb->args[0]; int idx = 0; |
c62c2cfb8 net: devlink: don... |
1504 |
int err = 0; |
bf7974710 devlink: add shar... |
1505 1506 |
mutex_lock(&devlink_mutex); |
bf7974710 devlink: add shar... |
1507 1508 |
list_for_each_entry(devlink, &devlink_list, list) { if (!net_eq(devlink_net(devlink), sock_net(msg->sk)) || |
be6fe1d8e devlink: require ... |
1509 |
!devlink->ops->sb_port_pool_get) |
bf7974710 devlink: add shar... |
1510 |
continue; |
2406e7e54 devlink: Add per ... |
1511 |
mutex_lock(&devlink->lock); |
bf7974710 devlink: add shar... |
1512 1513 1514 1515 1516 |
list_for_each_entry(devlink_sb, &devlink->sb_list, list) { err = __sb_port_pool_get_dumpit(msg, start, &idx, devlink, devlink_sb, NETLINK_CB(cb->skb).portid, cb->nlh->nlmsg_seq); |
82274d075 devlink: ignore -... |
1517 1518 1519 |
if (err == -EOPNOTSUPP) { err = 0; } else if (err) { |
2406e7e54 devlink: Add per ... |
1520 |
mutex_unlock(&devlink->lock); |
bf7974710 devlink: add shar... |
1521 |
goto out; |
2406e7e54 devlink: Add per ... |
1522 |
} |
bf7974710 devlink: add shar... |
1523 |
} |
2406e7e54 devlink: Add per ... |
1524 |
mutex_unlock(&devlink->lock); |
bf7974710 devlink: add shar... |
1525 1526 |
} out: |
bf7974710 devlink: add shar... |
1527 |
mutex_unlock(&devlink_mutex); |
c62c2cfb8 net: devlink: don... |
1528 1529 |
if (err != -EMSGSIZE) return err; |
bf7974710 devlink: add shar... |
1530 1531 1532 1533 1534 1535 |
cb->args[0] = idx; return msg->len; } static int devlink_sb_port_pool_set(struct devlink_port *devlink_port, unsigned int sb_index, u16 pool_index, |
f2ad1a522 net: devlink: Add... |
1536 1537 |
u32 threshold, struct netlink_ext_ack *extack) |
bf7974710 devlink: add shar... |
1538 1539 1540 |
{ const struct devlink_ops *ops = devlink_port->devlink->ops; |
be6fe1d8e devlink: require ... |
1541 |
if (ops->sb_port_pool_set) |
bf7974710 devlink: add shar... |
1542 |
return ops->sb_port_pool_set(devlink_port, sb_index, |
f2ad1a522 net: devlink: Add... |
1543 |
pool_index, threshold, extack); |
bf7974710 devlink: add shar... |
1544 1545 1546 1547 1548 1549 |
return -EOPNOTSUPP; } static int devlink_nl_cmd_sb_port_pool_set_doit(struct sk_buff *skb, struct genl_info *info) { |
637989b5d devlink: Always u... |
1550 1551 1552 |
struct devlink_port *devlink_port = info->user_ptr[1]; struct devlink *devlink = info->user_ptr[0]; struct devlink_sb *devlink_sb; |
bf7974710 devlink: add shar... |
1553 1554 1555 |
u16 pool_index; u32 threshold; int err; |
637989b5d devlink: Always u... |
1556 1557 1558 |
devlink_sb = devlink_sb_get_from_info(devlink, info); if (IS_ERR(devlink_sb)) return PTR_ERR(devlink_sb); |
bf7974710 devlink: add shar... |
1559 1560 1561 1562 1563 1564 1565 1566 1567 1568 |
err = devlink_sb_pool_index_get_from_info(devlink_sb, info, &pool_index); if (err) return err; if (!info->attrs[DEVLINK_ATTR_SB_THRESHOLD]) return -EINVAL; threshold = nla_get_u32(info->attrs[DEVLINK_ATTR_SB_THRESHOLD]); return devlink_sb_port_pool_set(devlink_port, devlink_sb->index, |
f2ad1a522 net: devlink: Add... |
1569 |
pool_index, threshold, info->extack); |
bf7974710 devlink: add shar... |
1570 1571 1572 1573 1574 1575 1576 1577 1578 1579 |
} static int devlink_nl_sb_tc_pool_bind_fill(struct sk_buff *msg, struct devlink *devlink, struct devlink_port *devlink_port, struct devlink_sb *devlink_sb, u16 tc_index, enum devlink_sb_pool_type pool_type, enum devlink_command cmd, u32 portid, u32 seq, int flags) { |
df38dafd2 devlink: implemen... |
1580 |
const struct devlink_ops *ops = devlink->ops; |
bf7974710 devlink: add shar... |
1581 1582 1583 1584 |
u16 pool_index; u32 threshold; void *hdr; int err; |
df38dafd2 devlink: implemen... |
1585 1586 1587 |
err = ops->sb_tc_pool_bind_get(devlink_port, devlink_sb->index, tc_index, pool_type, &pool_index, &threshold); |
bf7974710 devlink: add shar... |
1588 1589 1590 1591 1592 1593 1594 1595 1596 1597 1598 1599 1600 1601 1602 1603 1604 1605 1606 1607 1608 |
if (err) return err; hdr = genlmsg_put(msg, portid, seq, &devlink_nl_family, flags, cmd); if (!hdr) return -EMSGSIZE; if (devlink_nl_put_handle(msg, devlink)) goto nla_put_failure; if (nla_put_u32(msg, DEVLINK_ATTR_PORT_INDEX, devlink_port->index)) goto nla_put_failure; if (nla_put_u32(msg, DEVLINK_ATTR_SB_INDEX, devlink_sb->index)) goto nla_put_failure; if (nla_put_u16(msg, DEVLINK_ATTR_SB_TC_INDEX, tc_index)) goto nla_put_failure; if (nla_put_u8(msg, DEVLINK_ATTR_SB_POOL_TYPE, pool_type)) goto nla_put_failure; if (nla_put_u16(msg, DEVLINK_ATTR_SB_POOL_INDEX, pool_index)) goto nla_put_failure; if (nla_put_u32(msg, DEVLINK_ATTR_SB_THRESHOLD, threshold)) goto nla_put_failure; |
df38dafd2 devlink: implemen... |
1609 1610 1611 1612 1613 1614 1615 1616 1617 1618 1619 1620 1621 1622 1623 1624 1625 |
if (ops->sb_occ_tc_port_bind_get) { u32 cur; u32 max; err = ops->sb_occ_tc_port_bind_get(devlink_port, devlink_sb->index, tc_index, pool_type, &cur, &max); if (err && err != -EOPNOTSUPP) return err; if (!err) { if (nla_put_u32(msg, DEVLINK_ATTR_SB_OCC_CUR, cur)) goto nla_put_failure; if (nla_put_u32(msg, DEVLINK_ATTR_SB_OCC_MAX, max)) goto nla_put_failure; } } |
bf7974710 devlink: add shar... |
1626 1627 1628 1629 1630 1631 1632 1633 1634 1635 1636 |
genlmsg_end(msg, hdr); return 0; nla_put_failure: genlmsg_cancel(msg, hdr); return -EMSGSIZE; } static int devlink_nl_cmd_sb_tc_pool_bind_get_doit(struct sk_buff *skb, struct genl_info *info) { |
637989b5d devlink: Always u... |
1637 |
struct devlink_port *devlink_port = info->user_ptr[1]; |
bf7974710 devlink: add shar... |
1638 |
struct devlink *devlink = devlink_port->devlink; |
637989b5d devlink: Always u... |
1639 |
struct devlink_sb *devlink_sb; |
bf7974710 devlink: add shar... |
1640 1641 1642 1643 |
struct sk_buff *msg; enum devlink_sb_pool_type pool_type; u16 tc_index; int err; |
637989b5d devlink: Always u... |
1644 1645 1646 |
devlink_sb = devlink_sb_get_from_info(devlink, info); if (IS_ERR(devlink_sb)) return PTR_ERR(devlink_sb); |
bf7974710 devlink: add shar... |
1647 1648 1649 1650 1651 1652 1653 1654 |
err = devlink_sb_pool_type_get_from_info(info, &pool_type); if (err) return err; err = devlink_sb_tc_index_get_from_info(devlink_sb, info, pool_type, &tc_index); if (err) return err; |
be6fe1d8e devlink: require ... |
1655 |
if (!devlink->ops->sb_tc_pool_bind_get) |
bf7974710 devlink: add shar... |
1656 1657 1658 1659 1660 1661 1662 1663 1664 1665 1666 1667 1668 1669 1670 1671 1672 1673 1674 1675 1676 1677 1678 1679 1680 1681 1682 1683 1684 1685 1686 1687 1688 1689 1690 1691 1692 1693 1694 1695 1696 1697 1698 1699 1700 1701 1702 1703 1704 1705 1706 1707 1708 1709 1710 1711 1712 1713 1714 1715 1716 1717 1718 1719 1720 1721 1722 1723 1724 1725 1726 1727 1728 1729 1730 1731 1732 1733 |
return -EOPNOTSUPP; msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); if (!msg) return -ENOMEM; err = devlink_nl_sb_tc_pool_bind_fill(msg, devlink, devlink_port, devlink_sb, tc_index, pool_type, DEVLINK_CMD_SB_TC_POOL_BIND_NEW, info->snd_portid, info->snd_seq, 0); if (err) { nlmsg_free(msg); return err; } return genlmsg_reply(msg, info); } static int __sb_tc_pool_bind_get_dumpit(struct sk_buff *msg, int start, int *p_idx, struct devlink *devlink, struct devlink_sb *devlink_sb, u32 portid, u32 seq) { struct devlink_port *devlink_port; u16 tc_index; int err; list_for_each_entry(devlink_port, &devlink->port_list, list) { for (tc_index = 0; tc_index < devlink_sb->ingress_tc_count; tc_index++) { if (*p_idx < start) { (*p_idx)++; continue; } err = devlink_nl_sb_tc_pool_bind_fill(msg, devlink, devlink_port, devlink_sb, tc_index, DEVLINK_SB_POOL_TYPE_INGRESS, DEVLINK_CMD_SB_TC_POOL_BIND_NEW, portid, seq, NLM_F_MULTI); if (err) return err; (*p_idx)++; } for (tc_index = 0; tc_index < devlink_sb->egress_tc_count; tc_index++) { if (*p_idx < start) { (*p_idx)++; continue; } err = devlink_nl_sb_tc_pool_bind_fill(msg, devlink, devlink_port, devlink_sb, tc_index, DEVLINK_SB_POOL_TYPE_EGRESS, DEVLINK_CMD_SB_TC_POOL_BIND_NEW, portid, seq, NLM_F_MULTI); if (err) return err; (*p_idx)++; } } return 0; } static int devlink_nl_cmd_sb_tc_pool_bind_get_dumpit(struct sk_buff *msg, struct netlink_callback *cb) { struct devlink *devlink; struct devlink_sb *devlink_sb; int start = cb->args[0]; int idx = 0; |
c62c2cfb8 net: devlink: don... |
1734 |
int err = 0; |
bf7974710 devlink: add shar... |
1735 1736 |
mutex_lock(&devlink_mutex); |
bf7974710 devlink: add shar... |
1737 1738 |
list_for_each_entry(devlink, &devlink_list, list) { if (!net_eq(devlink_net(devlink), sock_net(msg->sk)) || |
be6fe1d8e devlink: require ... |
1739 |
!devlink->ops->sb_tc_pool_bind_get) |
bf7974710 devlink: add shar... |
1740 |
continue; |
2406e7e54 devlink: Add per ... |
1741 1742 |
mutex_lock(&devlink->lock); |
bf7974710 devlink: add shar... |
1743 1744 1745 1746 1747 1748 |
list_for_each_entry(devlink_sb, &devlink->sb_list, list) { err = __sb_tc_pool_bind_get_dumpit(msg, start, &idx, devlink, devlink_sb, NETLINK_CB(cb->skb).portid, cb->nlh->nlmsg_seq); |
82274d075 devlink: ignore -... |
1749 1750 1751 |
if (err == -EOPNOTSUPP) { err = 0; } else if (err) { |
2406e7e54 devlink: Add per ... |
1752 |
mutex_unlock(&devlink->lock); |
bf7974710 devlink: add shar... |
1753 |
goto out; |
2406e7e54 devlink: Add per ... |
1754 |
} |
bf7974710 devlink: add shar... |
1755 |
} |
2406e7e54 devlink: Add per ... |
1756 |
mutex_unlock(&devlink->lock); |
bf7974710 devlink: add shar... |
1757 1758 |
} out: |
bf7974710 devlink: add shar... |
1759 |
mutex_unlock(&devlink_mutex); |
c62c2cfb8 net: devlink: don... |
1760 1761 |
if (err != -EMSGSIZE) return err; |
bf7974710 devlink: add shar... |
1762 1763 1764 1765 1766 1767 1768 |
cb->args[0] = idx; return msg->len; } static int devlink_sb_tc_pool_bind_set(struct devlink_port *devlink_port, unsigned int sb_index, u16 tc_index, enum devlink_sb_pool_type pool_type, |
f2ad1a522 net: devlink: Add... |
1769 1770 |
u16 pool_index, u32 threshold, struct netlink_ext_ack *extack) |
bf7974710 devlink: add shar... |
1771 1772 1773 |
{ const struct devlink_ops *ops = devlink_port->devlink->ops; |
be6fe1d8e devlink: require ... |
1774 |
if (ops->sb_tc_pool_bind_set) |
bf7974710 devlink: add shar... |
1775 1776 |
return ops->sb_tc_pool_bind_set(devlink_port, sb_index, tc_index, pool_type, |
f2ad1a522 net: devlink: Add... |
1777 |
pool_index, threshold, extack); |
bf7974710 devlink: add shar... |
1778 1779 1780 1781 1782 1783 |
return -EOPNOTSUPP; } static int devlink_nl_cmd_sb_tc_pool_bind_set_doit(struct sk_buff *skb, struct genl_info *info) { |
637989b5d devlink: Always u... |
1784 1785 |
struct devlink_port *devlink_port = info->user_ptr[1]; struct devlink *devlink = info->user_ptr[0]; |
bf7974710 devlink: add shar... |
1786 |
enum devlink_sb_pool_type pool_type; |
637989b5d devlink: Always u... |
1787 |
struct devlink_sb *devlink_sb; |
bf7974710 devlink: add shar... |
1788 1789 1790 1791 |
u16 tc_index; u16 pool_index; u32 threshold; int err; |
637989b5d devlink: Always u... |
1792 1793 1794 |
devlink_sb = devlink_sb_get_from_info(devlink, info); if (IS_ERR(devlink_sb)) return PTR_ERR(devlink_sb); |
bf7974710 devlink: add shar... |
1795 1796 1797 1798 1799 1800 1801 1802 1803 1804 1805 1806 1807 1808 1809 1810 1811 1812 1813 1814 |
err = devlink_sb_pool_type_get_from_info(info, &pool_type); if (err) return err; err = devlink_sb_tc_index_get_from_info(devlink_sb, info, pool_type, &tc_index); if (err) return err; err = devlink_sb_pool_index_get_from_info(devlink_sb, info, &pool_index); if (err) return err; if (!info->attrs[DEVLINK_ATTR_SB_THRESHOLD]) return -EINVAL; threshold = nla_get_u32(info->attrs[DEVLINK_ATTR_SB_THRESHOLD]); return devlink_sb_tc_pool_bind_set(devlink_port, devlink_sb->index, tc_index, pool_type, |
f2ad1a522 net: devlink: Add... |
1815 |
pool_index, threshold, info->extack); |
bf7974710 devlink: add shar... |
1816 |
} |
df38dafd2 devlink: implemen... |
1817 1818 1819 1820 |
static int devlink_nl_cmd_sb_occ_snapshot_doit(struct sk_buff *skb, struct genl_info *info) { struct devlink *devlink = info->user_ptr[0]; |
df38dafd2 devlink: implemen... |
1821 |
const struct devlink_ops *ops = devlink->ops; |
637989b5d devlink: Always u... |
1822 1823 1824 1825 1826 |
struct devlink_sb *devlink_sb; devlink_sb = devlink_sb_get_from_info(devlink, info); if (IS_ERR(devlink_sb)) return PTR_ERR(devlink_sb); |
df38dafd2 devlink: implemen... |
1827 |
|
be6fe1d8e devlink: require ... |
1828 |
if (ops->sb_occ_snapshot) |
df38dafd2 devlink: implemen... |
1829 1830 1831 1832 1833 1834 1835 1836 |
return ops->sb_occ_snapshot(devlink, devlink_sb->index); return -EOPNOTSUPP; } static int devlink_nl_cmd_sb_occ_max_clear_doit(struct sk_buff *skb, struct genl_info *info) { struct devlink *devlink = info->user_ptr[0]; |
df38dafd2 devlink: implemen... |
1837 |
const struct devlink_ops *ops = devlink->ops; |
637989b5d devlink: Always u... |
1838 1839 1840 1841 1842 |
struct devlink_sb *devlink_sb; devlink_sb = devlink_sb_get_from_info(devlink, info); if (IS_ERR(devlink_sb)) return PTR_ERR(devlink_sb); |
df38dafd2 devlink: implemen... |
1843 |
|
be6fe1d8e devlink: require ... |
1844 |
if (ops->sb_occ_max_clear) |
df38dafd2 devlink: implemen... |
1845 1846 1847 |
return ops->sb_occ_max_clear(devlink, devlink_sb->index); return -EOPNOTSUPP; } |
21e3d2dd4 devlink: rename d... |
1848 1849 1850 |
static int devlink_nl_eswitch_fill(struct sk_buff *msg, struct devlink *devlink, enum devlink_command cmd, u32 portid, u32 seq, int flags) |
08f4b5918 net/devlink: Add ... |
1851 |
{ |
59bfde01f devlink: Add E-Sw... |
1852 |
const struct devlink_ops *ops = devlink->ops; |
98fdbea55 net/mlx5: Declare... |
1853 1854 |
enum devlink_eswitch_encap_mode encap_mode; u8 inline_mode; |
08f4b5918 net/devlink: Add ... |
1855 |
void *hdr; |
59bfde01f devlink: Add E-Sw... |
1856 1857 |
int err = 0; u16 mode; |
08f4b5918 net/devlink: Add ... |
1858 1859 1860 1861 |
hdr = genlmsg_put(msg, portid, seq, &devlink_nl_family, flags, cmd); if (!hdr) return -EMSGSIZE; |
59bfde01f devlink: Add E-Sw... |
1862 1863 |
err = devlink_nl_put_handle(msg, devlink); if (err) |
1a6aa36b6 devlink: use nla_... |
1864 |
goto nla_put_failure; |
08f4b5918 net/devlink: Add ... |
1865 |
|
4456f61cf devlink: allow to... |
1866 1867 1868 1869 1870 1871 1872 1873 |
if (ops->eswitch_mode_get) { err = ops->eswitch_mode_get(devlink, &mode); if (err) goto nla_put_failure; err = nla_put_u16(msg, DEVLINK_ATTR_ESWITCH_MODE, mode); if (err) goto nla_put_failure; } |
59bfde01f devlink: Add E-Sw... |
1874 1875 1876 1877 |
if (ops->eswitch_inline_mode_get) { err = ops->eswitch_inline_mode_get(devlink, &inline_mode); if (err) |
1a6aa36b6 devlink: use nla_... |
1878 |
goto nla_put_failure; |
59bfde01f devlink: Add E-Sw... |
1879 1880 1881 |
err = nla_put_u8(msg, DEVLINK_ATTR_ESWITCH_INLINE_MODE, inline_mode); if (err) |
1a6aa36b6 devlink: use nla_... |
1882 |
goto nla_put_failure; |
59bfde01f devlink: Add E-Sw... |
1883 |
} |
08f4b5918 net/devlink: Add ... |
1884 |
|
f43e9b069 net/devlink: Add ... |
1885 1886 1887 1888 1889 1890 1891 1892 |
if (ops->eswitch_encap_mode_get) { err = ops->eswitch_encap_mode_get(devlink, &encap_mode); if (err) goto nla_put_failure; err = nla_put_u8(msg, DEVLINK_ATTR_ESWITCH_ENCAP_MODE, encap_mode); if (err) goto nla_put_failure; } |
08f4b5918 net/devlink: Add ... |
1893 1894 |
genlmsg_end(msg, hdr); return 0; |
1a6aa36b6 devlink: use nla_... |
1895 |
nla_put_failure: |
08f4b5918 net/devlink: Add ... |
1896 |
genlmsg_cancel(msg, hdr); |
59bfde01f devlink: Add E-Sw... |
1897 |
return err; |
08f4b5918 net/devlink: Add ... |
1898 |
} |
adf200f31 devlink: fix the ... |
1899 1900 |
static int devlink_nl_cmd_eswitch_get_doit(struct sk_buff *skb, struct genl_info *info) |
08f4b5918 net/devlink: Add ... |
1901 1902 |
{ struct devlink *devlink = info->user_ptr[0]; |
08f4b5918 net/devlink: Add ... |
1903 |
struct sk_buff *msg; |
08f4b5918 net/devlink: Add ... |
1904 |
int err; |
08f4b5918 net/devlink: Add ... |
1905 1906 1907 |
msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); if (!msg) return -ENOMEM; |
21e3d2dd4 devlink: rename d... |
1908 1909 |
err = devlink_nl_eswitch_fill(msg, devlink, DEVLINK_CMD_ESWITCH_GET, info->snd_portid, info->snd_seq, 0); |
08f4b5918 net/devlink: Add ... |
1910 1911 1912 1913 1914 1915 1916 1917 |
if (err) { nlmsg_free(msg); return err; } return genlmsg_reply(msg, info); } |
adf200f31 devlink: fix the ... |
1918 1919 |
static int devlink_nl_cmd_eswitch_set_doit(struct sk_buff *skb, struct genl_info *info) |
08f4b5918 net/devlink: Add ... |
1920 1921 1922 |
{ struct devlink *devlink = info->user_ptr[0]; const struct devlink_ops *ops = devlink->ops; |
98fdbea55 net/mlx5: Declare... |
1923 1924 |
enum devlink_eswitch_encap_mode encap_mode; u8 inline_mode; |
59bfde01f devlink: Add E-Sw... |
1925 |
int err = 0; |
f43e9b069 net/devlink: Add ... |
1926 |
u16 mode; |
08f4b5918 net/devlink: Add ... |
1927 |
|
59bfde01f devlink: Add E-Sw... |
1928 1929 1930 1931 |
if (info->attrs[DEVLINK_ATTR_ESWITCH_MODE]) { if (!ops->eswitch_mode_set) return -EOPNOTSUPP; mode = nla_get_u16(info->attrs[DEVLINK_ATTR_ESWITCH_MODE]); |
db7ff19e7 devlink: Add exta... |
1932 |
err = ops->eswitch_mode_set(devlink, mode, info->extack); |
59bfde01f devlink: Add E-Sw... |
1933 1934 1935 |
if (err) return err; } |
08f4b5918 net/devlink: Add ... |
1936 |
|
59bfde01f devlink: Add E-Sw... |
1937 1938 1939 1940 1941 |
if (info->attrs[DEVLINK_ATTR_ESWITCH_INLINE_MODE]) { if (!ops->eswitch_inline_mode_set) return -EOPNOTSUPP; inline_mode = nla_get_u8( info->attrs[DEVLINK_ATTR_ESWITCH_INLINE_MODE]); |
db7ff19e7 devlink: Add exta... |
1942 1943 |
err = ops->eswitch_inline_mode_set(devlink, inline_mode, info->extack); |
59bfde01f devlink: Add E-Sw... |
1944 1945 1946 |
if (err) return err; } |
f43e9b069 net/devlink: Add ... |
1947 1948 1949 1950 1951 |
if (info->attrs[DEVLINK_ATTR_ESWITCH_ENCAP_MODE]) { if (!ops->eswitch_encap_mode_set) return -EOPNOTSUPP; encap_mode = nla_get_u8(info->attrs[DEVLINK_ATTR_ESWITCH_ENCAP_MODE]); |
db7ff19e7 devlink: Add exta... |
1952 1953 |
err = ops->eswitch_encap_mode_set(devlink, encap_mode, info->extack); |
f43e9b069 net/devlink: Add ... |
1954 1955 1956 |
if (err) return err; } |
1555d204e devlink: Support ... |
1957 1958 1959 1960 1961 1962 1963 1964 1965 |
return 0; } int devlink_dpipe_match_put(struct sk_buff *skb, struct devlink_dpipe_match *match) { struct devlink_dpipe_header *header = match->header; struct devlink_dpipe_field *field = &header->fields[match->field_id]; struct nlattr *match_attr; |
ae0be8de9 netlink: make nla... |
1966 |
match_attr = nla_nest_start_noflag(skb, DEVLINK_ATTR_DPIPE_MATCH); |
1555d204e devlink: Support ... |
1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 |
if (!match_attr) return -EMSGSIZE; if (nla_put_u32(skb, DEVLINK_ATTR_DPIPE_MATCH_TYPE, match->type) || nla_put_u32(skb, DEVLINK_ATTR_DPIPE_HEADER_INDEX, match->header_index) || nla_put_u32(skb, DEVLINK_ATTR_DPIPE_HEADER_ID, header->id) || nla_put_u32(skb, DEVLINK_ATTR_DPIPE_FIELD_ID, field->id) || nla_put_u8(skb, DEVLINK_ATTR_DPIPE_HEADER_GLOBAL, header->global)) goto nla_put_failure; nla_nest_end(skb, match_attr); return 0; nla_put_failure: nla_nest_cancel(skb, match_attr); return -EMSGSIZE; } EXPORT_SYMBOL_GPL(devlink_dpipe_match_put); static int devlink_dpipe_matches_put(struct devlink_dpipe_table *table, struct sk_buff *skb) { struct nlattr *matches_attr; |
ae0be8de9 netlink: make nla... |
1990 1991 |
matches_attr = nla_nest_start_noflag(skb, DEVLINK_ATTR_DPIPE_TABLE_MATCHES); |
1555d204e devlink: Support ... |
1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 |
if (!matches_attr) return -EMSGSIZE; if (table->table_ops->matches_dump(table->priv, skb)) goto nla_put_failure; nla_nest_end(skb, matches_attr); return 0; nla_put_failure: nla_nest_cancel(skb, matches_attr); return -EMSGSIZE; } int devlink_dpipe_action_put(struct sk_buff *skb, struct devlink_dpipe_action *action) { struct devlink_dpipe_header *header = action->header; struct devlink_dpipe_field *field = &header->fields[action->field_id]; struct nlattr *action_attr; |
ae0be8de9 netlink: make nla... |
2012 |
action_attr = nla_nest_start_noflag(skb, DEVLINK_ATTR_DPIPE_ACTION); |
1555d204e devlink: Support ... |
2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026 2027 2028 2029 2030 2031 2032 2033 2034 2035 |
if (!action_attr) return -EMSGSIZE; if (nla_put_u32(skb, DEVLINK_ATTR_DPIPE_ACTION_TYPE, action->type) || nla_put_u32(skb, DEVLINK_ATTR_DPIPE_HEADER_INDEX, action->header_index) || nla_put_u32(skb, DEVLINK_ATTR_DPIPE_HEADER_ID, header->id) || nla_put_u32(skb, DEVLINK_ATTR_DPIPE_FIELD_ID, field->id) || nla_put_u8(skb, DEVLINK_ATTR_DPIPE_HEADER_GLOBAL, header->global)) goto nla_put_failure; nla_nest_end(skb, action_attr); return 0; nla_put_failure: nla_nest_cancel(skb, action_attr); return -EMSGSIZE; } EXPORT_SYMBOL_GPL(devlink_dpipe_action_put); static int devlink_dpipe_actions_put(struct devlink_dpipe_table *table, struct sk_buff *skb) { struct nlattr *actions_attr; |
ae0be8de9 netlink: make nla... |
2036 2037 |
actions_attr = nla_nest_start_noflag(skb, DEVLINK_ATTR_DPIPE_TABLE_ACTIONS); |
1555d204e devlink: Support ... |
2038 2039 2040 2041 2042 2043 2044 2045 2046 2047 2048 2049 2050 2051 2052 2053 2054 2055 |
if (!actions_attr) return -EMSGSIZE; if (table->table_ops->actions_dump(table->priv, skb)) goto nla_put_failure; nla_nest_end(skb, actions_attr); return 0; nla_put_failure: nla_nest_cancel(skb, actions_attr); return -EMSGSIZE; } static int devlink_dpipe_table_put(struct sk_buff *skb, struct devlink_dpipe_table *table) { struct nlattr *table_attr; |
ffd3cdccf devlink: Add supp... |
2056 |
u64 table_size; |
1555d204e devlink: Support ... |
2057 |
|
ffd3cdccf devlink: Add supp... |
2058 |
table_size = table->table_ops->size_get(table->priv); |
ae0be8de9 netlink: make nla... |
2059 |
table_attr = nla_nest_start_noflag(skb, DEVLINK_ATTR_DPIPE_TABLE); |
1555d204e devlink: Support ... |
2060 2061 2062 2063 |
if (!table_attr) return -EMSGSIZE; if (nla_put_string(skb, DEVLINK_ATTR_DPIPE_TABLE_NAME, table->name) || |
ffd3cdccf devlink: Add supp... |
2064 |
nla_put_u64_64bit(skb, DEVLINK_ATTR_DPIPE_TABLE_SIZE, table_size, |
1555d204e devlink: Support ... |
2065 2066 2067 2068 2069 |
DEVLINK_ATTR_PAD)) goto nla_put_failure; if (nla_put_u8(skb, DEVLINK_ATTR_DPIPE_TABLE_COUNTERS_ENABLED, table->counters_enabled)) goto nla_put_failure; |
56dc7cd0a devlink: Add rela... |
2070 |
if (table->resource_valid) { |
3d18e4f19 devlink: Fix reso... |
2071 2072 2073 2074 2075 |
if (nla_put_u64_64bit(skb, DEVLINK_ATTR_DPIPE_TABLE_RESOURCE_ID, table->resource_id, DEVLINK_ATTR_PAD) || nla_put_u64_64bit(skb, DEVLINK_ATTR_DPIPE_TABLE_RESOURCE_UNITS, table->resource_units, DEVLINK_ATTR_PAD)) goto nla_put_failure; |
56dc7cd0a devlink: Add rela... |
2076 |
} |
1555d204e devlink: Support ... |
2077 2078 2079 2080 2081 2082 2083 2084 2085 2086 2087 2088 2089 2090 2091 2092 2093 2094 2095 2096 2097 2098 2099 2100 2101 2102 2103 2104 2105 2106 2107 2108 2109 2110 2111 2112 2113 2114 2115 2116 2117 2118 2119 2120 2121 2122 2123 2124 2125 2126 2127 2128 2129 2130 |
if (devlink_dpipe_matches_put(table, skb)) goto nla_put_failure; if (devlink_dpipe_actions_put(table, skb)) goto nla_put_failure; nla_nest_end(skb, table_attr); return 0; nla_put_failure: nla_nest_cancel(skb, table_attr); return -EMSGSIZE; } static int devlink_dpipe_send_and_alloc_skb(struct sk_buff **pskb, struct genl_info *info) { int err; if (*pskb) { err = genlmsg_reply(*pskb, info); if (err) return err; } *pskb = genlmsg_new(GENLMSG_DEFAULT_SIZE, GFP_KERNEL); if (!*pskb) return -ENOMEM; return 0; } static int devlink_dpipe_tables_fill(struct genl_info *info, enum devlink_command cmd, int flags, struct list_head *dpipe_tables, const char *table_name) { struct devlink *devlink = info->user_ptr[0]; struct devlink_dpipe_table *table; struct nlattr *tables_attr; struct sk_buff *skb = NULL; struct nlmsghdr *nlh; bool incomplete; void *hdr; int i; int err; table = list_first_entry(dpipe_tables, struct devlink_dpipe_table, list); start_again: err = devlink_dpipe_send_and_alloc_skb(&skb, info); if (err) return err; hdr = genlmsg_put(skb, info->snd_portid, info->snd_seq, &devlink_nl_family, NLM_F_MULTI, cmd); |
6044bd4a7 devlink: fix pote... |
2131 2132 |
if (!hdr) { nlmsg_free(skb); |
1555d204e devlink: Support ... |
2133 |
return -EMSGSIZE; |
6044bd4a7 devlink: fix pote... |
2134 |
} |
1555d204e devlink: Support ... |
2135 2136 2137 |
if (devlink_nl_put_handle(skb, devlink)) goto nla_put_failure; |
ae0be8de9 netlink: make nla... |
2138 |
tables_attr = nla_nest_start_noflag(skb, DEVLINK_ATTR_DPIPE_TABLES); |
1555d204e devlink: Support ... |
2139 2140 2141 2142 2143 2144 2145 2146 2147 2148 2149 2150 2151 2152 2153 2154 2155 2156 2157 2158 2159 2160 2161 2162 2163 2164 2165 2166 2167 2168 2169 2170 2171 2172 2173 |
if (!tables_attr) goto nla_put_failure; i = 0; incomplete = false; list_for_each_entry_from(table, dpipe_tables, list) { if (!table_name) { err = devlink_dpipe_table_put(skb, table); if (err) { if (!i) goto err_table_put; incomplete = true; break; } } else { if (!strcmp(table->name, table_name)) { err = devlink_dpipe_table_put(skb, table); if (err) break; } } i++; } nla_nest_end(skb, tables_attr); genlmsg_end(skb, hdr); if (incomplete) goto start_again; send_done: nlh = nlmsg_put(skb, info->snd_portid, info->snd_seq, NLMSG_DONE, 0, flags | NLM_F_MULTI); if (!nlh) { err = devlink_dpipe_send_and_alloc_skb(&skb, info); if (err) |
7fe4d6dcb devlink: Remove r... |
2174 |
return err; |
1555d204e devlink: Support ... |
2175 2176 2177 2178 2179 2180 2181 2182 |
goto send_done; } return genlmsg_reply(skb, info); nla_put_failure: err = -EMSGSIZE; err_table_put: |
1555d204e devlink: Support ... |
2183 2184 2185 2186 2187 2188 2189 2190 2191 2192 2193 2194 2195 2196 2197 2198 2199 2200 2201 2202 2203 2204 2205 2206 2207 2208 2209 2210 2211 2212 2213 2214 2215 2216 2217 2218 2219 2220 2221 2222 2223 2224 2225 2226 2227 2228 2229 2230 2231 2232 2233 2234 2235 2236 2237 2238 |
nlmsg_free(skb); return err; } static int devlink_nl_cmd_dpipe_table_get(struct sk_buff *skb, struct genl_info *info) { struct devlink *devlink = info->user_ptr[0]; const char *table_name = NULL; if (info->attrs[DEVLINK_ATTR_DPIPE_TABLE_NAME]) table_name = nla_data(info->attrs[DEVLINK_ATTR_DPIPE_TABLE_NAME]); return devlink_dpipe_tables_fill(info, DEVLINK_CMD_DPIPE_TABLE_GET, 0, &devlink->dpipe_table_list, table_name); } static int devlink_dpipe_value_put(struct sk_buff *skb, struct devlink_dpipe_value *value) { if (nla_put(skb, DEVLINK_ATTR_DPIPE_VALUE, value->value_size, value->value)) return -EMSGSIZE; if (value->mask) if (nla_put(skb, DEVLINK_ATTR_DPIPE_VALUE_MASK, value->value_size, value->mask)) return -EMSGSIZE; if (value->mapping_valid) if (nla_put_u32(skb, DEVLINK_ATTR_DPIPE_VALUE_MAPPING, value->mapping_value)) return -EMSGSIZE; return 0; } static int devlink_dpipe_action_value_put(struct sk_buff *skb, struct devlink_dpipe_value *value) { if (!value->action) return -EINVAL; if (devlink_dpipe_action_put(skb, value->action)) return -EMSGSIZE; if (devlink_dpipe_value_put(skb, value)) return -EMSGSIZE; return 0; } static int devlink_dpipe_action_values_put(struct sk_buff *skb, struct devlink_dpipe_value *values, unsigned int values_count) { struct nlattr *action_attr; int i; int err; for (i = 0; i < values_count; i++) { |
ae0be8de9 netlink: make nla... |
2239 2240 |
action_attr = nla_nest_start_noflag(skb, DEVLINK_ATTR_DPIPE_ACTION_VALUE); |
1555d204e devlink: Support ... |
2241 2242 2243 2244 2245 2246 2247 2248 2249 2250 2251 2252 2253 2254 2255 2256 2257 2258 2259 2260 2261 2262 2263 2264 2265 2266 2267 2268 2269 2270 2271 2272 2273 2274 2275 |
if (!action_attr) return -EMSGSIZE; err = devlink_dpipe_action_value_put(skb, &values[i]); if (err) goto err_action_value_put; nla_nest_end(skb, action_attr); } return 0; err_action_value_put: nla_nest_cancel(skb, action_attr); return err; } static int devlink_dpipe_match_value_put(struct sk_buff *skb, struct devlink_dpipe_value *value) { if (!value->match) return -EINVAL; if (devlink_dpipe_match_put(skb, value->match)) return -EMSGSIZE; if (devlink_dpipe_value_put(skb, value)) return -EMSGSIZE; return 0; } static int devlink_dpipe_match_values_put(struct sk_buff *skb, struct devlink_dpipe_value *values, unsigned int values_count) { struct nlattr *match_attr; int i; int err; for (i = 0; i < values_count; i++) { |
ae0be8de9 netlink: make nla... |
2276 2277 |
match_attr = nla_nest_start_noflag(skb, DEVLINK_ATTR_DPIPE_MATCH_VALUE); |
1555d204e devlink: Support ... |
2278 2279 2280 2281 2282 2283 2284 2285 2286 2287 2288 2289 2290 2291 2292 2293 2294 2295 2296 |
if (!match_attr) return -EMSGSIZE; err = devlink_dpipe_match_value_put(skb, &values[i]); if (err) goto err_match_value_put; nla_nest_end(skb, match_attr); } return 0; err_match_value_put: nla_nest_cancel(skb, match_attr); return err; } static int devlink_dpipe_entry_put(struct sk_buff *skb, struct devlink_dpipe_entry *entry) { struct nlattr *entry_attr, *matches_attr, *actions_attr; int err; |
ae0be8de9 netlink: make nla... |
2297 |
entry_attr = nla_nest_start_noflag(skb, DEVLINK_ATTR_DPIPE_ENTRY); |
1555d204e devlink: Support ... |
2298 2299 2300 2301 2302 2303 2304 2305 2306 2307 |
if (!entry_attr) return -EMSGSIZE; if (nla_put_u64_64bit(skb, DEVLINK_ATTR_DPIPE_ENTRY_INDEX, entry->index, DEVLINK_ATTR_PAD)) goto nla_put_failure; if (entry->counter_valid) if (nla_put_u64_64bit(skb, DEVLINK_ATTR_DPIPE_ENTRY_COUNTER, entry->counter, DEVLINK_ATTR_PAD)) goto nla_put_failure; |
ae0be8de9 netlink: make nla... |
2308 2309 |
matches_attr = nla_nest_start_noflag(skb, DEVLINK_ATTR_DPIPE_ENTRY_MATCH_VALUES); |
1555d204e devlink: Support ... |
2310 2311 2312 2313 2314 2315 2316 2317 2318 2319 |
if (!matches_attr) goto nla_put_failure; err = devlink_dpipe_match_values_put(skb, entry->match_values, entry->match_values_count); if (err) { nla_nest_cancel(skb, matches_attr); goto err_match_values_put; } nla_nest_end(skb, matches_attr); |
ae0be8de9 netlink: make nla... |
2320 2321 |
actions_attr = nla_nest_start_noflag(skb, DEVLINK_ATTR_DPIPE_ENTRY_ACTION_VALUES); |
1555d204e devlink: Support ... |
2322 2323 2324 2325 2326 2327 2328 2329 2330 2331 |
if (!actions_attr) goto nla_put_failure; err = devlink_dpipe_action_values_put(skb, entry->action_values, entry->action_values_count); if (err) { nla_nest_cancel(skb, actions_attr); goto err_action_values_put; } nla_nest_end(skb, actions_attr); |
59bfde01f devlink: Add E-Sw... |
2332 |
|
1555d204e devlink: Support ... |
2333 |
nla_nest_end(skb, entry_attr); |
59bfde01f devlink: Add E-Sw... |
2334 |
return 0; |
1555d204e devlink: Support ... |
2335 2336 2337 2338 2339 2340 2341 2342 2343 2344 2345 |
nla_put_failure: err = -EMSGSIZE; err_match_values_put: err_action_values_put: nla_nest_cancel(skb, entry_attr); return err; } static struct devlink_dpipe_table * devlink_dpipe_table_find(struct list_head *dpipe_tables, |
2eb51c75d net: core: devlin... |
2346 |
const char *table_name, struct devlink *devlink) |
1555d204e devlink: Support ... |
2347 2348 |
{ struct devlink_dpipe_table *table; |
2eb51c75d net: core: devlin... |
2349 2350 |
list_for_each_entry_rcu(table, dpipe_tables, list, lockdep_is_held(&devlink->lock)) { |
1555d204e devlink: Support ... |
2351 2352 2353 2354 2355 2356 2357 2358 2359 2360 2361 2362 2363 2364 2365 2366 2367 2368 2369 2370 2371 2372 2373 2374 2375 2376 2377 |
if (!strcmp(table->name, table_name)) return table; } return NULL; } int devlink_dpipe_entry_ctx_prepare(struct devlink_dpipe_dump_ctx *dump_ctx) { struct devlink *devlink; int err; err = devlink_dpipe_send_and_alloc_skb(&dump_ctx->skb, dump_ctx->info); if (err) return err; dump_ctx->hdr = genlmsg_put(dump_ctx->skb, dump_ctx->info->snd_portid, dump_ctx->info->snd_seq, &devlink_nl_family, NLM_F_MULTI, dump_ctx->cmd); if (!dump_ctx->hdr) goto nla_put_failure; devlink = dump_ctx->info->user_ptr[0]; if (devlink_nl_put_handle(dump_ctx->skb, devlink)) goto nla_put_failure; |
ae0be8de9 netlink: make nla... |
2378 2379 |
dump_ctx->nest = nla_nest_start_noflag(dump_ctx->skb, DEVLINK_ATTR_DPIPE_ENTRIES); |
1555d204e devlink: Support ... |
2380 2381 2382 2383 2384 |
if (!dump_ctx->nest) goto nla_put_failure; return 0; nla_put_failure: |
1555d204e devlink: Support ... |
2385 2386 2387 2388 2389 2390 2391 2392 2393 2394 2395 2396 2397 2398 2399 2400 2401 2402 2403 |
nlmsg_free(dump_ctx->skb); return -EMSGSIZE; } EXPORT_SYMBOL_GPL(devlink_dpipe_entry_ctx_prepare); int devlink_dpipe_entry_ctx_append(struct devlink_dpipe_dump_ctx *dump_ctx, struct devlink_dpipe_entry *entry) { return devlink_dpipe_entry_put(dump_ctx->skb, entry); } EXPORT_SYMBOL_GPL(devlink_dpipe_entry_ctx_append); int devlink_dpipe_entry_ctx_close(struct devlink_dpipe_dump_ctx *dump_ctx) { nla_nest_end(dump_ctx->skb, dump_ctx->nest); genlmsg_end(dump_ctx->skb, dump_ctx->hdr); return 0; } EXPORT_SYMBOL_GPL(devlink_dpipe_entry_ctx_close); |
358073244 devlink: Move dpi... |
2404 2405 2406 2407 2408 2409 2410 2411 2412 2413 2414 2415 2416 2417 2418 2419 2420 2421 2422 2423 2424 |
void devlink_dpipe_entry_clear(struct devlink_dpipe_entry *entry) { unsigned int value_count, value_index; struct devlink_dpipe_value *value; value = entry->action_values; value_count = entry->action_values_count; for (value_index = 0; value_index < value_count; value_index++) { kfree(value[value_index].value); kfree(value[value_index].mask); } value = entry->match_values; value_count = entry->match_values_count; for (value_index = 0; value_index < value_count; value_index++) { kfree(value[value_index].value); kfree(value[value_index].mask); } } EXPORT_SYMBOL(devlink_dpipe_entry_clear); |
1555d204e devlink: Support ... |
2425 2426 2427 2428 2429 2430 2431 2432 2433 2434 2435 2436 2437 2438 2439 2440 |
static int devlink_dpipe_entries_fill(struct genl_info *info, enum devlink_command cmd, int flags, struct devlink_dpipe_table *table) { struct devlink_dpipe_dump_ctx dump_ctx; struct nlmsghdr *nlh; int err; dump_ctx.skb = NULL; dump_ctx.cmd = cmd; dump_ctx.info = info; err = table->table_ops->entries_dump(table->priv, table->counters_enabled, &dump_ctx); if (err) |
7fe4d6dcb devlink: Remove r... |
2441 |
return err; |
1555d204e devlink: Support ... |
2442 2443 2444 2445 2446 2447 2448 |
send_done: nlh = nlmsg_put(dump_ctx.skb, info->snd_portid, info->snd_seq, NLMSG_DONE, 0, flags | NLM_F_MULTI); if (!nlh) { err = devlink_dpipe_send_and_alloc_skb(&dump_ctx.skb, info); if (err) |
7fe4d6dcb devlink: Remove r... |
2449 |
return err; |
1555d204e devlink: Support ... |
2450 2451 2452 |
goto send_done; } return genlmsg_reply(dump_ctx.skb, info); |
1555d204e devlink: Support ... |
2453 2454 2455 2456 2457 2458 2459 2460 2461 2462 2463 2464 2465 2466 |
} static int devlink_nl_cmd_dpipe_entries_get(struct sk_buff *skb, struct genl_info *info) { struct devlink *devlink = info->user_ptr[0]; struct devlink_dpipe_table *table; const char *table_name; if (!info->attrs[DEVLINK_ATTR_DPIPE_TABLE_NAME]) return -EINVAL; table_name = nla_data(info->attrs[DEVLINK_ATTR_DPIPE_TABLE_NAME]); table = devlink_dpipe_table_find(&devlink->dpipe_table_list, |
2eb51c75d net: core: devlin... |
2467 |
table_name, devlink); |
1555d204e devlink: Support ... |
2468 2469 2470 2471 2472 2473 2474 2475 2476 2477 2478 2479 2480 2481 2482 2483 2484 2485 2486 |
if (!table) return -EINVAL; if (!table->table_ops->entries_dump) return -EINVAL; return devlink_dpipe_entries_fill(info, DEVLINK_CMD_DPIPE_ENTRIES_GET, 0, table); } static int devlink_dpipe_fields_put(struct sk_buff *skb, const struct devlink_dpipe_header *header) { struct devlink_dpipe_field *field; struct nlattr *field_attr; int i; for (i = 0; i < header->fields_count; i++) { field = &header->fields[i]; |
ae0be8de9 netlink: make nla... |
2487 2488 |
field_attr = nla_nest_start_noflag(skb, DEVLINK_ATTR_DPIPE_FIELD); |
1555d204e devlink: Support ... |
2489 2490 2491 2492 2493 2494 2495 2496 2497 2498 2499 2500 2501 2502 2503 2504 2505 2506 2507 2508 2509 |
if (!field_attr) return -EMSGSIZE; if (nla_put_string(skb, DEVLINK_ATTR_DPIPE_FIELD_NAME, field->name) || nla_put_u32(skb, DEVLINK_ATTR_DPIPE_FIELD_ID, field->id) || nla_put_u32(skb, DEVLINK_ATTR_DPIPE_FIELD_BITWIDTH, field->bitwidth) || nla_put_u32(skb, DEVLINK_ATTR_DPIPE_FIELD_MAPPING_TYPE, field->mapping_type)) goto nla_put_failure; nla_nest_end(skb, field_attr); } return 0; nla_put_failure: nla_nest_cancel(skb, field_attr); return -EMSGSIZE; } static int devlink_dpipe_header_put(struct sk_buff *skb, struct devlink_dpipe_header *header) { struct nlattr *fields_attr, *header_attr; int err; |
ae0be8de9 netlink: make nla... |
2510 |
header_attr = nla_nest_start_noflag(skb, DEVLINK_ATTR_DPIPE_HEADER); |
cb6bf9cfd devlink: fix retu... |
2511 |
if (!header_attr) |
1555d204e devlink: Support ... |
2512 2513 2514 2515 2516 2517 |
return -EMSGSIZE; if (nla_put_string(skb, DEVLINK_ATTR_DPIPE_HEADER_NAME, header->name) || nla_put_u32(skb, DEVLINK_ATTR_DPIPE_HEADER_ID, header->id) || nla_put_u8(skb, DEVLINK_ATTR_DPIPE_HEADER_GLOBAL, header->global)) goto nla_put_failure; |
ae0be8de9 netlink: make nla... |
2518 2519 |
fields_attr = nla_nest_start_noflag(skb, DEVLINK_ATTR_DPIPE_HEADER_FIELDS); |
1555d204e devlink: Support ... |
2520 2521 2522 2523 2524 2525 2526 2527 2528 2529 2530 2531 2532 2533 2534 2535 2536 2537 2538 2539 2540 2541 2542 2543 2544 2545 2546 2547 2548 2549 2550 2551 2552 2553 2554 2555 2556 2557 2558 |
if (!fields_attr) goto nla_put_failure; err = devlink_dpipe_fields_put(skb, header); if (err) { nla_nest_cancel(skb, fields_attr); goto nla_put_failure; } nla_nest_end(skb, fields_attr); nla_nest_end(skb, header_attr); return 0; nla_put_failure: err = -EMSGSIZE; nla_nest_cancel(skb, header_attr); return err; } static int devlink_dpipe_headers_fill(struct genl_info *info, enum devlink_command cmd, int flags, struct devlink_dpipe_headers * dpipe_headers) { struct devlink *devlink = info->user_ptr[0]; struct nlattr *headers_attr; struct sk_buff *skb = NULL; struct nlmsghdr *nlh; void *hdr; int i, j; int err; i = 0; start_again: err = devlink_dpipe_send_and_alloc_skb(&skb, info); if (err) return err; hdr = genlmsg_put(skb, info->snd_portid, info->snd_seq, &devlink_nl_family, NLM_F_MULTI, cmd); |
6044bd4a7 devlink: fix pote... |
2559 2560 |
if (!hdr) { nlmsg_free(skb); |
1555d204e devlink: Support ... |
2561 |
return -EMSGSIZE; |
6044bd4a7 devlink: fix pote... |
2562 |
} |
1555d204e devlink: Support ... |
2563 2564 2565 |
if (devlink_nl_put_handle(skb, devlink)) goto nla_put_failure; |
ae0be8de9 netlink: make nla... |
2566 |
headers_attr = nla_nest_start_noflag(skb, DEVLINK_ATTR_DPIPE_HEADERS); |
1555d204e devlink: Support ... |
2567 2568 2569 2570 2571 2572 2573 2574 2575 2576 2577 2578 2579 2580 2581 2582 2583 2584 2585 2586 2587 2588 2589 2590 |
if (!headers_attr) goto nla_put_failure; j = 0; for (; i < dpipe_headers->headers_count; i++) { err = devlink_dpipe_header_put(skb, dpipe_headers->headers[i]); if (err) { if (!j) goto err_table_put; break; } j++; } nla_nest_end(skb, headers_attr); genlmsg_end(skb, hdr); if (i != dpipe_headers->headers_count) goto start_again; send_done: nlh = nlmsg_put(skb, info->snd_portid, info->snd_seq, NLMSG_DONE, 0, flags | NLM_F_MULTI); if (!nlh) { err = devlink_dpipe_send_and_alloc_skb(&skb, info); if (err) |
7fe4d6dcb devlink: Remove r... |
2591 |
return err; |
1555d204e devlink: Support ... |
2592 2593 2594 2595 2596 2597 2598 |
goto send_done; } return genlmsg_reply(skb, info); nla_put_failure: err = -EMSGSIZE; err_table_put: |
1555d204e devlink: Support ... |
2599 2600 2601 2602 2603 2604 2605 2606 2607 2608 2609 2610 2611 2612 2613 2614 2615 2616 2617 2618 2619 2620 |
nlmsg_free(skb); return err; } static int devlink_nl_cmd_dpipe_headers_get(struct sk_buff *skb, struct genl_info *info) { struct devlink *devlink = info->user_ptr[0]; if (!devlink->dpipe_headers) return -EOPNOTSUPP; return devlink_dpipe_headers_fill(info, DEVLINK_CMD_DPIPE_HEADERS_GET, 0, devlink->dpipe_headers); } static int devlink_dpipe_table_counters_set(struct devlink *devlink, const char *table_name, bool enable) { struct devlink_dpipe_table *table; table = devlink_dpipe_table_find(&devlink->dpipe_table_list, |
2eb51c75d net: core: devlin... |
2621 |
table_name, devlink); |
1555d204e devlink: Support ... |
2622 2623 2624 2625 2626 2627 2628 2629 2630 2631 2632 2633 2634 2635 2636 2637 2638 2639 2640 2641 2642 2643 2644 2645 2646 2647 2648 2649 2650 2651 2652 |
if (!table) return -EINVAL; if (table->counter_control_extern) return -EOPNOTSUPP; if (!(table->counters_enabled ^ enable)) return 0; table->counters_enabled = enable; if (table->table_ops->counters_set_update) table->table_ops->counters_set_update(table->priv, enable); return 0; } static int devlink_nl_cmd_dpipe_table_counters_set(struct sk_buff *skb, struct genl_info *info) { struct devlink *devlink = info->user_ptr[0]; const char *table_name; bool counters_enable; if (!info->attrs[DEVLINK_ATTR_DPIPE_TABLE_NAME] || !info->attrs[DEVLINK_ATTR_DPIPE_TABLE_COUNTERS_ENABLED]) return -EINVAL; table_name = nla_data(info->attrs[DEVLINK_ATTR_DPIPE_TABLE_NAME]); counters_enable = !!nla_get_u8(info->attrs[DEVLINK_ATTR_DPIPE_TABLE_COUNTERS_ENABLED]); return devlink_dpipe_table_counters_set(devlink, table_name, counters_enable); |
08f4b5918 net/devlink: Add ... |
2653 |
} |
43dd7512b devlink: Make som... |
2654 |
static struct devlink_resource * |
d9f9b9a4d devlink: Add supp... |
2655 2656 2657 2658 2659 2660 2661 2662 2663 2664 2665 2666 2667 2668 2669 2670 2671 2672 2673 2674 2675 2676 2677 |
devlink_resource_find(struct devlink *devlink, struct devlink_resource *resource, u64 resource_id) { struct list_head *resource_list; if (resource) resource_list = &resource->resource_list; else resource_list = &devlink->resource_list; list_for_each_entry(resource, resource_list, list) { struct devlink_resource *child_resource; if (resource->id == resource_id) return resource; child_resource = devlink_resource_find(devlink, resource, resource_id); if (child_resource) return child_resource; } return NULL; } |
43dd7512b devlink: Make som... |
2678 2679 |
static void devlink_resource_validate_children(struct devlink_resource *resource) |
d9f9b9a4d devlink: Add supp... |
2680 2681 2682 2683 2684 2685 2686 2687 2688 2689 |
{ struct devlink_resource *child_resource; bool size_valid = true; u64 parts_size = 0; if (list_empty(&resource->resource_list)) goto out; list_for_each_entry(child_resource, &resource->resource_list, list) parts_size += child_resource->size_new; |
b9d17175a devlink: Compare ... |
2690 |
if (parts_size > resource->size_new) |
d9f9b9a4d devlink: Add supp... |
2691 2692 2693 2694 |
size_valid = false; out: resource->size_valid = size_valid; } |
cc944ead8 devlink: Move siz... |
2695 2696 2697 2698 2699 2700 |
static int devlink_resource_validate_size(struct devlink_resource *resource, u64 size, struct netlink_ext_ack *extack) { u64 reminder; int err = 0; |
0f3e9c97e Merge git://git.k... |
2701 |
if (size > resource->size_params.size_max) { |
cc944ead8 devlink: Move siz... |
2702 2703 2704 |
NL_SET_ERR_MSG_MOD(extack, "Size larger than maximum"); err = -EINVAL; } |
0f3e9c97e Merge git://git.k... |
2705 |
if (size < resource->size_params.size_min) { |
cc944ead8 devlink: Move siz... |
2706 2707 2708 |
NL_SET_ERR_MSG_MOD(extack, "Size smaller than minimum"); err = -EINVAL; } |
0f3e9c97e Merge git://git.k... |
2709 |
div64_u64_rem(size, resource->size_params.size_granularity, &reminder); |
cc944ead8 devlink: Move siz... |
2710 2711 2712 2713 2714 2715 2716 |
if (reminder) { NL_SET_ERR_MSG_MOD(extack, "Wrong granularity"); err = -EINVAL; } return err; } |
d9f9b9a4d devlink: Add supp... |
2717 2718 2719 2720 2721 2722 2723 2724 2725 2726 2727 2728 2729 2730 2731 2732 2733 |
static int devlink_nl_cmd_resource_set(struct sk_buff *skb, struct genl_info *info) { struct devlink *devlink = info->user_ptr[0]; struct devlink_resource *resource; u64 resource_id; u64 size; int err; if (!info->attrs[DEVLINK_ATTR_RESOURCE_ID] || !info->attrs[DEVLINK_ATTR_RESOURCE_SIZE]) return -EINVAL; resource_id = nla_get_u64(info->attrs[DEVLINK_ATTR_RESOURCE_ID]); resource = devlink_resource_find(devlink, NULL, resource_id); if (!resource) return -EINVAL; |
d9f9b9a4d devlink: Add supp... |
2734 |
size = nla_get_u64(info->attrs[DEVLINK_ATTR_RESOURCE_SIZE]); |
cc944ead8 devlink: Move siz... |
2735 |
err = devlink_resource_validate_size(resource, size, info->extack); |
d9f9b9a4d devlink: Add supp... |
2736 2737 2738 2739 2740 2741 2742 2743 2744 |
if (err) return err; resource->size_new = size; devlink_resource_validate_children(resource); if (resource->parent) devlink_resource_validate_children(resource->parent); return 0; } |
3d18e4f19 devlink: Fix reso... |
2745 |
static int |
d9f9b9a4d devlink: Add supp... |
2746 2747 2748 2749 |
devlink_resource_size_params_put(struct devlink_resource *resource, struct sk_buff *skb) { struct devlink_resource_size_params *size_params; |
77d270967 mlxsw: spectrum: ... |
2750 |
size_params = &resource->size_params; |
3d18e4f19 devlink: Fix reso... |
2751 2752 2753 2754 2755 2756 2757 2758 2759 |
if (nla_put_u64_64bit(skb, DEVLINK_ATTR_RESOURCE_SIZE_GRAN, size_params->size_granularity, DEVLINK_ATTR_PAD) || nla_put_u64_64bit(skb, DEVLINK_ATTR_RESOURCE_SIZE_MAX, size_params->size_max, DEVLINK_ATTR_PAD) || nla_put_u64_64bit(skb, DEVLINK_ATTR_RESOURCE_SIZE_MIN, size_params->size_min, DEVLINK_ATTR_PAD) || nla_put_u8(skb, DEVLINK_ATTR_RESOURCE_UNIT, size_params->unit)) return -EMSGSIZE; return 0; |
d9f9b9a4d devlink: Add supp... |
2760 |
} |
fc56be47d devlink: convert ... |
2761 2762 2763 2764 2765 2766 2767 2768 2769 |
static int devlink_resource_occ_put(struct devlink_resource *resource, struct sk_buff *skb) { if (!resource->occ_get) return 0; return nla_put_u64_64bit(skb, DEVLINK_ATTR_RESOURCE_OCC, resource->occ_get(resource->occ_get_priv), DEVLINK_ATTR_PAD); } |
d9f9b9a4d devlink: Add supp... |
2770 2771 2772 2773 2774 2775 |
static int devlink_resource_put(struct devlink *devlink, struct sk_buff *skb, struct devlink_resource *resource) { struct devlink_resource *child_resource; struct nlattr *child_resource_attr; struct nlattr *resource_attr; |
ae0be8de9 netlink: make nla... |
2776 |
resource_attr = nla_nest_start_noflag(skb, DEVLINK_ATTR_RESOURCE); |
d9f9b9a4d devlink: Add supp... |
2777 2778 2779 2780 2781 2782 2783 2784 2785 2786 2787 2788 |
if (!resource_attr) return -EMSGSIZE; if (nla_put_string(skb, DEVLINK_ATTR_RESOURCE_NAME, resource->name) || nla_put_u64_64bit(skb, DEVLINK_ATTR_RESOURCE_SIZE, resource->size, DEVLINK_ATTR_PAD) || nla_put_u64_64bit(skb, DEVLINK_ATTR_RESOURCE_ID, resource->id, DEVLINK_ATTR_PAD)) goto nla_put_failure; if (resource->size != resource->size_new) nla_put_u64_64bit(skb, DEVLINK_ATTR_RESOURCE_SIZE_NEW, resource->size_new, DEVLINK_ATTR_PAD); |
fc56be47d devlink: convert ... |
2789 2790 |
if (devlink_resource_occ_put(resource, skb)) goto nla_put_failure; |
3d18e4f19 devlink: Fix reso... |
2791 2792 |
if (devlink_resource_size_params_put(resource, skb)) goto nla_put_failure; |
d9f9b9a4d devlink: Add supp... |
2793 2794 2795 2796 2797 2798 |
if (list_empty(&resource->resource_list)) goto out; if (nla_put_u8(skb, DEVLINK_ATTR_RESOURCE_SIZE_VALID, resource->size_valid)) goto nla_put_failure; |
ae0be8de9 netlink: make nla... |
2799 2800 |
child_resource_attr = nla_nest_start_noflag(skb, DEVLINK_ATTR_RESOURCE_LIST); |
d9f9b9a4d devlink: Add supp... |
2801 2802 2803 2804 2805 2806 2807 2808 2809 2810 2811 2812 2813 2814 2815 2816 2817 2818 2819 2820 2821 2822 2823 2824 2825 2826 2827 2828 2829 2830 2831 2832 2833 2834 2835 2836 2837 2838 2839 2840 2841 2842 2843 2844 2845 2846 2847 2848 2849 |
if (!child_resource_attr) goto nla_put_failure; list_for_each_entry(child_resource, &resource->resource_list, list) { if (devlink_resource_put(devlink, skb, child_resource)) goto resource_put_failure; } nla_nest_end(skb, child_resource_attr); out: nla_nest_end(skb, resource_attr); return 0; resource_put_failure: nla_nest_cancel(skb, child_resource_attr); nla_put_failure: nla_nest_cancel(skb, resource_attr); return -EMSGSIZE; } static int devlink_resource_fill(struct genl_info *info, enum devlink_command cmd, int flags) { struct devlink *devlink = info->user_ptr[0]; struct devlink_resource *resource; struct nlattr *resources_attr; struct sk_buff *skb = NULL; struct nlmsghdr *nlh; bool incomplete; void *hdr; int i; int err; resource = list_first_entry(&devlink->resource_list, struct devlink_resource, list); start_again: err = devlink_dpipe_send_and_alloc_skb(&skb, info); if (err) return err; hdr = genlmsg_put(skb, info->snd_portid, info->snd_seq, &devlink_nl_family, NLM_F_MULTI, cmd); if (!hdr) { nlmsg_free(skb); return -EMSGSIZE; } if (devlink_nl_put_handle(skb, devlink)) goto nla_put_failure; |
ae0be8de9 netlink: make nla... |
2850 2851 |
resources_attr = nla_nest_start_noflag(skb, DEVLINK_ATTR_RESOURCE_LIST); |
d9f9b9a4d devlink: Add supp... |
2852 2853 2854 2855 2856 2857 2858 2859 2860 2861 2862 2863 2864 2865 2866 2867 2868 2869 2870 2871 2872 2873 2874 2875 2876 |
if (!resources_attr) goto nla_put_failure; incomplete = false; i = 0; list_for_each_entry_from(resource, &devlink->resource_list, list) { err = devlink_resource_put(devlink, skb, resource); if (err) { if (!i) goto err_resource_put; incomplete = true; break; } i++; } nla_nest_end(skb, resources_attr); genlmsg_end(skb, hdr); if (incomplete) goto start_again; send_done: nlh = nlmsg_put(skb, info->snd_portid, info->snd_seq, NLMSG_DONE, 0, flags | NLM_F_MULTI); if (!nlh) { err = devlink_dpipe_send_and_alloc_skb(&skb, info); if (err) |
83fe9a966 devlink: double f... |
2877 |
return err; |
d9f9b9a4d devlink: Add supp... |
2878 2879 2880 2881 2882 2883 2884 |
goto send_done; } return genlmsg_reply(skb, info); nla_put_failure: err = -EMSGSIZE; err_resource_put: |
d9f9b9a4d devlink: Add supp... |
2885 2886 2887 2888 2889 2890 2891 2892 2893 2894 2895 2896 2897 2898 |
nlmsg_free(skb); return err; } static int devlink_nl_cmd_resource_dump(struct sk_buff *skb, struct genl_info *info) { struct devlink *devlink = info->user_ptr[0]; if (list_empty(&devlink->resource_list)) return -EOPNOTSUPP; return devlink_resource_fill(info, DEVLINK_CMD_RESOURCE_DUMP, 0); } |
2d8dc5bbf devlink: Add supp... |
2899 2900 2901 2902 2903 2904 2905 2906 2907 2908 2909 2910 2911 2912 2913 2914 2915 2916 2917 2918 2919 2920 |
static int devlink_resources_validate(struct devlink *devlink, struct devlink_resource *resource, struct genl_info *info) { struct list_head *resource_list; int err = 0; if (resource) resource_list = &resource->resource_list; else resource_list = &devlink->resource_list; list_for_each_entry(resource, resource_list, list) { if (!resource->size_valid) return -EINVAL; err = devlink_resources_validate(devlink, resource, info); if (err) return err; } return err; } |
070c63f20 net: devlink: all... |
2921 2922 2923 2924 2925 2926 2927 2928 2929 |
static struct net *devlink_netns_get(struct sk_buff *skb, struct genl_info *info) { struct nlattr *netns_pid_attr = info->attrs[DEVLINK_ATTR_NETNS_PID]; struct nlattr *netns_fd_attr = info->attrs[DEVLINK_ATTR_NETNS_FD]; struct nlattr *netns_id_attr = info->attrs[DEVLINK_ATTR_NETNS_ID]; struct net *net; if (!!netns_pid_attr + !!netns_fd_attr + !!netns_id_attr > 1) { |
054eae825 net: devlink: use... |
2930 |
NL_SET_ERR_MSG_MOD(info->extack, "multiple netns identifying attributes specified"); |
070c63f20 net: devlink: all... |
2931 2932 2933 2934 2935 2936 2937 2938 2939 2940 2941 2942 2943 2944 2945 2946 2947 |
return ERR_PTR(-EINVAL); } if (netns_pid_attr) { net = get_net_ns_by_pid(nla_get_u32(netns_pid_attr)); } else if (netns_fd_attr) { net = get_net_ns_by_fd(nla_get_u32(netns_fd_attr)); } else if (netns_id_attr) { net = get_net_ns_by_id(sock_net(skb->sk), nla_get_u32(netns_id_attr)); if (!net) net = ERR_PTR(-EINVAL); } else { WARN_ON(1); net = ERR_PTR(-EINVAL); } if (IS_ERR(net)) { |
054eae825 net: devlink: use... |
2948 |
NL_SET_ERR_MSG_MOD(info->extack, "Unknown network namespace"); |
070c63f20 net: devlink: all... |
2949 2950 2951 2952 2953 2954 2955 2956 2957 2958 2959 2960 2961 2962 2963 2964 2965 2966 2967 2968 2969 2970 2971 2972 2973 2974 2975 2976 2977 |
return ERR_PTR(-EINVAL); } if (!netlink_ns_capable(skb, net->user_ns, CAP_NET_ADMIN)) { put_net(net); return ERR_PTR(-EPERM); } return net; } static void devlink_param_notify(struct devlink *devlink, unsigned int port_index, struct devlink_param_item *param_item, enum devlink_command cmd); static void devlink_reload_netns_change(struct devlink *devlink, struct net *dest_net) { struct devlink_param_item *param_item; /* Userspace needs to be notified about devlink objects * removed from original and entering new network namespace. * The rest of the devlink objects are re-created during * reload process so the notifications are generated separatelly. */ list_for_each_entry(param_item, &devlink->param_list, list) devlink_param_notify(devlink, 0, param_item, DEVLINK_CMD_PARAM_DEL); devlink_notify(devlink, DEVLINK_CMD_DEL); |
8273fd845 net: devlink: exp... |
2978 |
__devlink_net_set(devlink, dest_net); |
070c63f20 net: devlink: all... |
2979 2980 2981 2982 2983 2984 |
devlink_notify(devlink, DEVLINK_CMD_NEW); list_for_each_entry(param_item, &devlink->param_list, list) devlink_param_notify(devlink, 0, param_item, DEVLINK_CMD_PARAM_NEW); } |
69d56e0ea devlink: Change d... |
2985 |
static bool devlink_reload_supported(const struct devlink_ops *ops) |
97691069d net: devlink: spl... |
2986 |
{ |
69d56e0ea devlink: Change d... |
2987 |
return ops->reload_down && ops->reload_up; |
97691069d net: devlink: spl... |
2988 |
} |
2670ac262 net: devlink: mov... |
2989 2990 2991 2992 2993 2994 2995 2996 2997 2998 2999 3000 3001 3002 |
static void devlink_reload_failed_set(struct devlink *devlink, bool reload_failed) { if (devlink->reload_failed == reload_failed) return; devlink->reload_failed = reload_failed; devlink_notify(devlink, DEVLINK_CMD_NEW); } bool devlink_is_reload_failed(const struct devlink *devlink) { return devlink->reload_failed; } EXPORT_SYMBOL_GPL(devlink_is_reload_failed); |
a254c2642 devlink: Add relo... |
3003 3004 3005 3006 3007 3008 3009 3010 3011 3012 3013 3014 3015 3016 3017 3018 3019 3020 3021 3022 3023 3024 |
static void __devlink_reload_stats_update(struct devlink *devlink, u32 *reload_stats, enum devlink_reload_limit limit, u32 actions_performed) { unsigned long actions = actions_performed; int stat_idx; int action; for_each_set_bit(action, &actions, __DEVLINK_RELOAD_ACTION_MAX) { stat_idx = limit * __DEVLINK_RELOAD_ACTION_MAX + action; reload_stats[stat_idx]++; } devlink_notify(devlink, DEVLINK_CMD_NEW); } static void devlink_reload_stats_update(struct devlink *devlink, enum devlink_reload_limit limit, u32 actions_performed) { __devlink_reload_stats_update(devlink, devlink->stats.reload_stats, limit, actions_performed); } |
77069ba2e devlink: Add remo... |
3025 3026 3027 3028 3029 3030 3031 3032 3033 3034 3035 3036 3037 3038 3039 3040 3041 3042 3043 3044 3045 3046 3047 3048 3049 3050 3051 3052 |
/** * devlink_remote_reload_actions_performed - Update devlink on reload actions * performed which are not a direct result of devlink reload call. * * This should be called by a driver after performing reload actions in case it was not * a result of devlink reload call. For example fw_activate was performed as a result * of devlink reload triggered fw_activate on another host. * The motivation for this function is to keep data on reload actions performed on this * function whether it was done due to direct devlink reload call or not. * * @devlink: devlink * @limit: reload limit * @actions_performed: bitmask of actions performed */ void devlink_remote_reload_actions_performed(struct devlink *devlink, enum devlink_reload_limit limit, u32 actions_performed) { if (WARN_ON(!actions_performed || actions_performed & BIT(DEVLINK_RELOAD_ACTION_UNSPEC) || actions_performed >= BIT(__DEVLINK_RELOAD_ACTION_MAX) || limit > DEVLINK_RELOAD_LIMIT_MAX)) return; __devlink_reload_stats_update(devlink, devlink->stats.remote_reload_stats, limit, actions_performed); } EXPORT_SYMBOL_GPL(devlink_remote_reload_actions_performed); |
070c63f20 net: devlink: all... |
3053 |
static int devlink_reload(struct devlink *devlink, struct net *dest_net, |
dc64cc7c6 devlink: Add devl... |
3054 3055 |
enum devlink_reload_action action, enum devlink_reload_limit limit, u32 *actions_performed, struct netlink_ext_ack *extack) |
070c63f20 net: devlink: all... |
3056 |
{ |
77069ba2e devlink: Add remo... |
3057 |
u32 remote_reload_stats[DEVLINK_RELOAD_STATS_ARRAY_SIZE]; |
070c63f20 net: devlink: all... |
3058 |
int err; |
a0c76345e devlink: disallow... |
3059 3060 |
if (!devlink->reload_enabled) return -EOPNOTSUPP; |
77069ba2e devlink: Add remo... |
3061 3062 |
memcpy(remote_reload_stats, devlink->stats.remote_reload_stats, sizeof(remote_reload_stats)); |
dc64cc7c6 devlink: Add devl... |
3063 |
err = devlink->ops->reload_down(devlink, !!dest_net, action, limit, extack); |
070c63f20 net: devlink: all... |
3064 3065 3066 3067 3068 |
if (err) return err; if (dest_net && !net_eq(dest_net, devlink_net(devlink))) devlink_reload_netns_change(devlink, dest_net); |
dc64cc7c6 devlink: Add devl... |
3069 |
err = devlink->ops->reload_up(devlink, action, limit, actions_performed, extack); |
070c63f20 net: devlink: all... |
3070 |
devlink_reload_failed_set(devlink, !!err); |
ccdf07219 devlink: Add relo... |
3071 3072 3073 3074 |
if (err) return err; WARN_ON(!(*actions_performed & BIT(action))); |
77069ba2e devlink: Add remo... |
3075 3076 3077 |
/* Catch driver on updating the remote action within devlink reload */ WARN_ON(memcmp(remote_reload_stats, devlink->stats.remote_reload_stats, sizeof(remote_reload_stats))); |
a254c2642 devlink: Add relo... |
3078 |
devlink_reload_stats_update(devlink, limit, *actions_performed); |
ccdf07219 devlink: Add relo... |
3079 3080 3081 3082 3083 3084 3085 3086 3087 3088 3089 3090 3091 3092 3093 3094 3095 3096 3097 3098 3099 3100 3101 3102 3103 3104 3105 3106 3107 3108 3109 3110 3111 |
return 0; } static int devlink_nl_reload_actions_performed_snd(struct devlink *devlink, u32 actions_performed, enum devlink_command cmd, struct genl_info *info) { struct sk_buff *msg; void *hdr; msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); if (!msg) return -ENOMEM; hdr = genlmsg_put(msg, info->snd_portid, info->snd_seq, &devlink_nl_family, 0, cmd); if (!hdr) goto free_msg; if (devlink_nl_put_handle(msg, devlink)) goto nla_put_failure; if (nla_put_bitfield32(msg, DEVLINK_ATTR_RELOAD_ACTIONS_PERFORMED, actions_performed, actions_performed)) goto nla_put_failure; genlmsg_end(msg, hdr); return genlmsg_reply(msg, info); nla_put_failure: genlmsg_cancel(msg, hdr); free_msg: nlmsg_free(msg); return -EMSGSIZE; |
070c63f20 net: devlink: all... |
3112 |
} |
2d8dc5bbf devlink: Add supp... |
3113 3114 3115 |
static int devlink_nl_cmd_reload(struct sk_buff *skb, struct genl_info *info) { struct devlink *devlink = info->user_ptr[0]; |
ccdf07219 devlink: Add relo... |
3116 |
enum devlink_reload_action action; |
dc64cc7c6 devlink: Add devl... |
3117 |
enum devlink_reload_limit limit; |
070c63f20 net: devlink: all... |
3118 |
struct net *dest_net = NULL; |
ccdf07219 devlink: Add relo... |
3119 |
u32 actions_performed; |
2d8dc5bbf devlink: Add supp... |
3120 |
int err; |
69d56e0ea devlink: Change d... |
3121 |
if (!devlink_reload_supported(devlink->ops)) |
2d8dc5bbf devlink: Add supp... |
3122 3123 3124 3125 3126 3127 3128 |
return -EOPNOTSUPP; err = devlink_resources_validate(devlink, NULL, info); if (err) { NL_SET_ERR_MSG_MOD(info->extack, "resources size validation failed"); return err; } |
070c63f20 net: devlink: all... |
3129 3130 3131 3132 3133 3134 3135 3136 |
if (info->attrs[DEVLINK_ATTR_NETNS_PID] || info->attrs[DEVLINK_ATTR_NETNS_FD] || info->attrs[DEVLINK_ATTR_NETNS_ID]) { dest_net = devlink_netns_get(skb, info); if (IS_ERR(dest_net)) return PTR_ERR(dest_net); } |
ccdf07219 devlink: Add relo... |
3137 3138 3139 3140 3141 3142 3143 3144 3145 3146 |
if (info->attrs[DEVLINK_ATTR_RELOAD_ACTION]) action = nla_get_u8(info->attrs[DEVLINK_ATTR_RELOAD_ACTION]); else action = DEVLINK_RELOAD_ACTION_DRIVER_REINIT; if (!devlink_reload_action_is_supported(devlink, action)) { NL_SET_ERR_MSG_MOD(info->extack, "Requested reload action is not supported by the driver"); return -EOPNOTSUPP; } |
dc64cc7c6 devlink: Add devl... |
3147 3148 3149 3150 3151 3152 3153 3154 3155 3156 3157 3158 3159 3160 3161 3162 3163 3164 3165 3166 3167 3168 3169 3170 3171 3172 3173 3174 3175 3176 3177 3178 |
limit = DEVLINK_RELOAD_LIMIT_UNSPEC; if (info->attrs[DEVLINK_ATTR_RELOAD_LIMITS]) { struct nla_bitfield32 limits; u32 limits_selected; limits = nla_get_bitfield32(info->attrs[DEVLINK_ATTR_RELOAD_LIMITS]); limits_selected = limits.value & limits.selector; if (!limits_selected) { NL_SET_ERR_MSG_MOD(info->extack, "Invalid limit selected"); return -EINVAL; } for (limit = 0 ; limit <= DEVLINK_RELOAD_LIMIT_MAX ; limit++) if (limits_selected & BIT(limit)) break; /* UAPI enables multiselection, but currently it is not used */ if (limits_selected != BIT(limit)) { NL_SET_ERR_MSG_MOD(info->extack, "Multiselection of limit is not supported"); return -EOPNOTSUPP; } if (!devlink_reload_limit_is_supported(devlink, limit)) { NL_SET_ERR_MSG_MOD(info->extack, "Requested limit is not supported by the driver"); return -EOPNOTSUPP; } if (devlink_reload_combination_is_invalid(action, limit)) { NL_SET_ERR_MSG_MOD(info->extack, "Requested limit is invalid for this action"); return -EINVAL; } } err = devlink_reload(devlink, dest_net, action, limit, &actions_performed, info->extack); |
070c63f20 net: devlink: all... |
3179 3180 3181 |
if (dest_net) put_net(dest_net); |
ccdf07219 devlink: Add relo... |
3182 3183 3184 |
if (err) return err; /* For backward compatibility generate reply only if attributes used by user */ |
dc64cc7c6 devlink: Add devl... |
3185 |
if (!info->attrs[DEVLINK_ATTR_RELOAD_ACTION] && !info->attrs[DEVLINK_ATTR_RELOAD_LIMITS]) |
ccdf07219 devlink: Add relo... |
3186 3187 3188 3189 |
return 0; return devlink_nl_reload_actions_performed_snd(devlink, actions_performed, DEVLINK_CMD_RELOAD, info); |
2d8dc5bbf devlink: Add supp... |
3190 |
} |
191ed2024 devlink: allow dr... |
3191 3192 3193 |
static int devlink_nl_flash_update_fill(struct sk_buff *msg, struct devlink *devlink, enum devlink_command cmd, |
6700acc5f devlink: collect ... |
3194 |
struct devlink_flash_notify *params) |
191ed2024 devlink: allow dr... |
3195 3196 3197 3198 3199 3200 3201 3202 3203 3204 3205 3206 |
{ void *hdr; hdr = genlmsg_put(msg, 0, 0, &devlink_nl_family, 0, cmd); if (!hdr) return -EMSGSIZE; if (devlink_nl_put_handle(msg, devlink)) goto nla_put_failure; if (cmd != DEVLINK_CMD_FLASH_UPDATE_STATUS) goto out; |
6700acc5f devlink: collect ... |
3207 |
if (params->status_msg && |
191ed2024 devlink: allow dr... |
3208 |
nla_put_string(msg, DEVLINK_ATTR_FLASH_UPDATE_STATUS_MSG, |
6700acc5f devlink: collect ... |
3209 |
params->status_msg)) |
191ed2024 devlink: allow dr... |
3210 |
goto nla_put_failure; |
6700acc5f devlink: collect ... |
3211 |
if (params->component && |
191ed2024 devlink: allow dr... |
3212 |
nla_put_string(msg, DEVLINK_ATTR_FLASH_UPDATE_COMPONENT, |
6700acc5f devlink: collect ... |
3213 |
params->component)) |
191ed2024 devlink: allow dr... |
3214 3215 |
goto nla_put_failure; if (nla_put_u64_64bit(msg, DEVLINK_ATTR_FLASH_UPDATE_STATUS_DONE, |
6700acc5f devlink: collect ... |
3216 |
params->done, DEVLINK_ATTR_PAD)) |
191ed2024 devlink: allow dr... |
3217 3218 |
goto nla_put_failure; if (nla_put_u64_64bit(msg, DEVLINK_ATTR_FLASH_UPDATE_STATUS_TOTAL, |
6700acc5f devlink: collect ... |
3219 |
params->total, DEVLINK_ATTR_PAD)) |
191ed2024 devlink: allow dr... |
3220 |
goto nla_put_failure; |
f92970c69 devlink: add time... |
3221 |
if (nla_put_u64_64bit(msg, DEVLINK_ATTR_FLASH_UPDATE_STATUS_TIMEOUT, |
6700acc5f devlink: collect ... |
3222 |
params->timeout, DEVLINK_ATTR_PAD)) |
f92970c69 devlink: add time... |
3223 |
goto nla_put_failure; |
191ed2024 devlink: allow dr... |
3224 3225 3226 3227 3228 3229 3230 3231 3232 3233 3234 3235 |
out: genlmsg_end(msg, hdr); return 0; nla_put_failure: genlmsg_cancel(msg, hdr); return -EMSGSIZE; } static void __devlink_flash_update_notify(struct devlink *devlink, enum devlink_command cmd, |
6700acc5f devlink: collect ... |
3236 |
struct devlink_flash_notify *params) |
191ed2024 devlink: allow dr... |
3237 3238 3239 3240 3241 3242 3243 3244 3245 3246 3247 |
{ struct sk_buff *msg; int err; WARN_ON(cmd != DEVLINK_CMD_FLASH_UPDATE && cmd != DEVLINK_CMD_FLASH_UPDATE_END && cmd != DEVLINK_CMD_FLASH_UPDATE_STATUS); msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); if (!msg) return; |
6700acc5f devlink: collect ... |
3248 |
err = devlink_nl_flash_update_fill(msg, devlink, cmd, params); |
191ed2024 devlink: allow dr... |
3249 3250 3251 3252 3253 3254 3255 3256 3257 3258 |
if (err) goto out_free_msg; genlmsg_multicast_netns(&devlink_nl_family, devlink_net(devlink), msg, 0, DEVLINK_MCGRP_CONFIG, GFP_KERNEL); return; out_free_msg: nlmsg_free(msg); } |
52cc5f3a1 devlink: move fla... |
3259 |
static void devlink_flash_update_begin_notify(struct devlink *devlink) |
191ed2024 devlink: allow dr... |
3260 |
{ |
6700acc5f devlink: collect ... |
3261 |
struct devlink_flash_notify params = { 0 }; |
191ed2024 devlink: allow dr... |
3262 3263 |
__devlink_flash_update_notify(devlink, DEVLINK_CMD_FLASH_UPDATE, |
6700acc5f devlink: collect ... |
3264 |
¶ms); |
191ed2024 devlink: allow dr... |
3265 |
} |
191ed2024 devlink: allow dr... |
3266 |
|
52cc5f3a1 devlink: move fla... |
3267 |
static void devlink_flash_update_end_notify(struct devlink *devlink) |
191ed2024 devlink: allow dr... |
3268 |
{ |
6700acc5f devlink: collect ... |
3269 |
struct devlink_flash_notify params = { 0 }; |
191ed2024 devlink: allow dr... |
3270 3271 |
__devlink_flash_update_notify(devlink, DEVLINK_CMD_FLASH_UPDATE_END, |
6700acc5f devlink: collect ... |
3272 |
¶ms); |
191ed2024 devlink: allow dr... |
3273 |
} |
191ed2024 devlink: allow dr... |
3274 3275 3276 3277 3278 3279 3280 |
void devlink_flash_update_status_notify(struct devlink *devlink, const char *status_msg, const char *component, unsigned long done, unsigned long total) { |
6700acc5f devlink: collect ... |
3281 3282 3283 3284 3285 3286 |
struct devlink_flash_notify params = { .status_msg = status_msg, .component = component, .done = done, .total = total, }; |
191ed2024 devlink: allow dr... |
3287 3288 |
__devlink_flash_update_notify(devlink, DEVLINK_CMD_FLASH_UPDATE_STATUS, |
6700acc5f devlink: collect ... |
3289 |
¶ms); |
191ed2024 devlink: allow dr... |
3290 3291 |
} EXPORT_SYMBOL_GPL(devlink_flash_update_status_notify); |
f92970c69 devlink: add time... |
3292 3293 3294 3295 3296 |
void devlink_flash_update_timeout_notify(struct devlink *devlink, const char *status_msg, const char *component, unsigned long timeout) { |
6700acc5f devlink: collect ... |
3297 3298 3299 3300 3301 |
struct devlink_flash_notify params = { .status_msg = status_msg, .component = component, .timeout = timeout, }; |
f92970c69 devlink: add time... |
3302 3303 |
__devlink_flash_update_notify(devlink, DEVLINK_CMD_FLASH_UPDATE_STATUS, |
6700acc5f devlink: collect ... |
3304 |
¶ms); |
f92970c69 devlink: add time... |
3305 3306 |
} EXPORT_SYMBOL_GPL(devlink_flash_update_timeout_notify); |
76726ccb7 devlink: add flas... |
3307 3308 3309 |
static int devlink_nl_cmd_flash_update(struct sk_buff *skb, struct genl_info *info) { |
b44cfd4f5 devlink: move req... |
3310 |
struct nlattr *nla_component, *nla_overwrite_mask, *nla_file_name; |
bc75c054f devlink: convert ... |
3311 |
struct devlink_flash_update_params params = {}; |
76726ccb7 devlink: add flas... |
3312 |
struct devlink *devlink = info->user_ptr[0]; |
b44cfd4f5 devlink: move req... |
3313 |
const char *file_name; |
22ec3d232 devlink: check fl... |
3314 |
u32 supported_params; |
b44cfd4f5 devlink: move req... |
3315 |
int ret; |
76726ccb7 devlink: add flas... |
3316 3317 3318 3319 3320 3321 |
if (!devlink->ops->flash_update) return -EOPNOTSUPP; if (!info->attrs[DEVLINK_ATTR_FLASH_UPDATE_FILE_NAME]) return -EINVAL; |
22ec3d232 devlink: check fl... |
3322 3323 |
supported_params = devlink->ops->supported_flash_update_params; |
76726ccb7 devlink: add flas... |
3324 |
nla_component = info->attrs[DEVLINK_ATTR_FLASH_UPDATE_COMPONENT]; |
22ec3d232 devlink: check fl... |
3325 3326 3327 3328 3329 3330 |
if (nla_component) { if (!(supported_params & DEVLINK_SUPPORT_FLASH_UPDATE_COMPONENT)) { NL_SET_ERR_MSG_ATTR(info->extack, nla_component, "component update is not supported by this device"); return -EOPNOTSUPP; } |
bc75c054f devlink: convert ... |
3331 |
params.component = nla_data(nla_component); |
22ec3d232 devlink: check fl... |
3332 |
} |
76726ccb7 devlink: add flas... |
3333 |
|
5d5b4128c devlink: introduc... |
3334 3335 3336 3337 3338 3339 3340 3341 3342 3343 3344 3345 |
nla_overwrite_mask = info->attrs[DEVLINK_ATTR_FLASH_UPDATE_OVERWRITE_MASK]; if (nla_overwrite_mask) { struct nla_bitfield32 sections; if (!(supported_params & DEVLINK_SUPPORT_FLASH_UPDATE_OVERWRITE_MASK)) { NL_SET_ERR_MSG_ATTR(info->extack, nla_overwrite_mask, "overwrite settings are not supported by this device"); return -EOPNOTSUPP; } sections = nla_get_bitfield32(nla_overwrite_mask); params.overwrite_mask = sections.value & sections.selector; } |
b44cfd4f5 devlink: move req... |
3346 3347 3348 3349 3350 3351 3352 |
nla_file_name = info->attrs[DEVLINK_ATTR_FLASH_UPDATE_FILE_NAME]; file_name = nla_data(nla_file_name); ret = request_firmware(¶ms.fw, file_name, devlink->dev); if (ret) { NL_SET_ERR_MSG_ATTR(info->extack, nla_file_name, "failed to locate the requested firmware file"); return ret; } |
52cc5f3a1 devlink: move fla... |
3353 |
devlink_flash_update_begin_notify(devlink); |
b44cfd4f5 devlink: move req... |
3354 |
ret = devlink->ops->flash_update(devlink, ¶ms, info->extack); |
52cc5f3a1 devlink: move fla... |
3355 |
devlink_flash_update_end_notify(devlink); |
b44cfd4f5 devlink: move req... |
3356 3357 3358 3359 |
release_firmware(params.fw); return ret; |
76726ccb7 devlink: add flas... |
3360 |
} |
036467c39 devlink: Add gene... |
3361 3362 3363 3364 3365 3366 3367 3368 3369 3370 3371 |
static const struct devlink_param devlink_param_generic[] = { { .id = DEVLINK_PARAM_GENERIC_ID_INT_ERR_RESET, .name = DEVLINK_PARAM_GENERIC_INT_ERR_RESET_NAME, .type = DEVLINK_PARAM_GENERIC_INT_ERR_RESET_TYPE, }, { .id = DEVLINK_PARAM_GENERIC_ID_MAX_MACS, .name = DEVLINK_PARAM_GENERIC_MAX_MACS_NAME, .type = DEVLINK_PARAM_GENERIC_MAX_MACS_TYPE, }, |
f567bcdae devlink: Add enab... |
3372 3373 3374 3375 3376 |
{ .id = DEVLINK_PARAM_GENERIC_ID_ENABLE_SRIOV, .name = DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_NAME, .type = DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_TYPE, }, |
f6a69885f devlink: Add gene... |
3377 3378 3379 3380 3381 |
{ .id = DEVLINK_PARAM_GENERIC_ID_REGION_SNAPSHOT, .name = DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_NAME, .type = DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_TYPE, }, |
e3b510616 devlink: Add gene... |
3382 3383 3384 3385 3386 |
{ .id = DEVLINK_PARAM_GENERIC_ID_IGNORE_ARI, .name = DEVLINK_PARAM_GENERIC_IGNORE_ARI_NAME, .type = DEVLINK_PARAM_GENERIC_IGNORE_ARI_TYPE, }, |
f61cba429 devlink: Add gene... |
3387 3388 3389 3390 3391 |
{ .id = DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MAX, .name = DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_NAME, .type = DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_TYPE, }, |
16511789b devlink: Add gene... |
3392 3393 3394 3395 3396 |
{ .id = DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MIN, .name = DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_NAME, .type = DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_TYPE, }, |
846e980a8 devlink: Add 'fw_... |
3397 3398 3399 3400 3401 |
{ .id = DEVLINK_PARAM_GENERIC_ID_FW_LOAD_POLICY, .name = DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_NAME, .type = DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_TYPE, }, |
5bbd21df5 devlink: add 'res... |
3402 3403 3404 3405 3406 |
{ .id = DEVLINK_PARAM_GENERIC_ID_RESET_DEV_ON_DRV_PROBE, .name = DEVLINK_PARAM_GENERIC_RESET_DEV_ON_DRV_PROBE_NAME, .type = DEVLINK_PARAM_GENERIC_RESET_DEV_ON_DRV_PROBE_TYPE, }, |
6c7295e13 devlink: Add new ... |
3407 3408 3409 3410 3411 |
{ .id = DEVLINK_PARAM_GENERIC_ID_ENABLE_ROCE, .name = DEVLINK_PARAM_GENERIC_ENABLE_ROCE_NAME, .type = DEVLINK_PARAM_GENERIC_ENABLE_ROCE_TYPE, }, |
195d9dece devlink: Add enab... |
3412 3413 3414 3415 3416 |
{ .id = DEVLINK_PARAM_GENERIC_ID_ENABLE_REMOTE_DEV_RESET, .name = DEVLINK_PARAM_GENERIC_ENABLE_REMOTE_DEV_RESET_NAME, .type = DEVLINK_PARAM_GENERIC_ENABLE_REMOTE_DEV_RESET_TYPE, }, |
036467c39 devlink: Add gene... |
3417 |
}; |
eabaef189 devlink: Add devl... |
3418 3419 3420 3421 3422 3423 3424 3425 3426 3427 3428 3429 3430 3431 3432 3433 3434 3435 3436 3437 3438 3439 3440 3441 3442 3443 3444 3445 3446 3447 3448 3449 3450 3451 3452 3453 3454 3455 3456 |
static int devlink_param_generic_verify(const struct devlink_param *param) { /* verify it match generic parameter by id and name */ if (param->id > DEVLINK_PARAM_GENERIC_ID_MAX) return -EINVAL; if (strcmp(param->name, devlink_param_generic[param->id].name)) return -ENOENT; WARN_ON(param->type != devlink_param_generic[param->id].type); return 0; } static int devlink_param_driver_verify(const struct devlink_param *param) { int i; if (param->id <= DEVLINK_PARAM_GENERIC_ID_MAX) return -EINVAL; /* verify no such name in generic params */ for (i = 0; i <= DEVLINK_PARAM_GENERIC_ID_MAX; i++) if (!strcmp(param->name, devlink_param_generic[i].name)) return -EEXIST; return 0; } static struct devlink_param_item * devlink_param_find_by_name(struct list_head *param_list, const char *param_name) { struct devlink_param_item *param_item; list_for_each_entry(param_item, param_list, list) if (!strcmp(param_item->param->name, param_name)) return param_item; return NULL; } |
ec01aeb18 devlink: Add supp... |
3457 3458 3459 3460 3461 3462 3463 3464 3465 3466 |
static struct devlink_param_item * devlink_param_find_by_id(struct list_head *param_list, u32 param_id) { struct devlink_param_item *param_item; list_for_each_entry(param_item, param_list, list) if (param_item->param->id == param_id) return param_item; return NULL; } |
45f05def5 devlink: Add para... |
3467 3468 3469 3470 3471 3472 3473 3474 3475 3476 3477 3478 3479 3480 3481 |
static bool devlink_param_cmode_is_supported(const struct devlink_param *param, enum devlink_param_cmode cmode) { return test_bit(cmode, ¶m->supported_cmodes); } static int devlink_param_get(struct devlink *devlink, const struct devlink_param *param, struct devlink_param_gset_ctx *ctx) { if (!param->get) return -EOPNOTSUPP; return param->get(devlink, param->id, ctx); } |
e3b7ca18a devlink: Add para... |
3482 3483 3484 3485 3486 3487 3488 3489 |
static int devlink_param_set(struct devlink *devlink, const struct devlink_param *param, struct devlink_param_gset_ctx *ctx) { if (!param->set) return -EOPNOTSUPP; return param->set(devlink, param->id, ctx); } |
45f05def5 devlink: Add para... |
3490 3491 3492 3493 3494 3495 3496 3497 3498 3499 3500 3501 3502 3503 3504 3505 3506 3507 3508 3509 3510 3511 3512 3513 3514 3515 |
static int devlink_param_type_to_nla_type(enum devlink_param_type param_type) { switch (param_type) { case DEVLINK_PARAM_TYPE_U8: return NLA_U8; case DEVLINK_PARAM_TYPE_U16: return NLA_U16; case DEVLINK_PARAM_TYPE_U32: return NLA_U32; case DEVLINK_PARAM_TYPE_STRING: return NLA_STRING; case DEVLINK_PARAM_TYPE_BOOL: return NLA_FLAG; default: return -EINVAL; } } static int devlink_nl_param_value_fill_one(struct sk_buff *msg, enum devlink_param_type type, enum devlink_param_cmode cmode, union devlink_param_value val) { struct nlattr *param_value_attr; |
ae0be8de9 netlink: make nla... |
3516 3517 |
param_value_attr = nla_nest_start_noflag(msg, DEVLINK_ATTR_PARAM_VALUE); |
45f05def5 devlink: Add para... |
3518 3519 3520 3521 3522 3523 3524 3525 3526 3527 3528 3529 3530 3531 3532 3533 3534 3535 3536 3537 3538 3539 3540 3541 3542 3543 3544 3545 3546 3547 3548 3549 3550 3551 3552 3553 3554 3555 3556 3557 3558 |
if (!param_value_attr) goto nla_put_failure; if (nla_put_u8(msg, DEVLINK_ATTR_PARAM_VALUE_CMODE, cmode)) goto value_nest_cancel; switch (type) { case DEVLINK_PARAM_TYPE_U8: if (nla_put_u8(msg, DEVLINK_ATTR_PARAM_VALUE_DATA, val.vu8)) goto value_nest_cancel; break; case DEVLINK_PARAM_TYPE_U16: if (nla_put_u16(msg, DEVLINK_ATTR_PARAM_VALUE_DATA, val.vu16)) goto value_nest_cancel; break; case DEVLINK_PARAM_TYPE_U32: if (nla_put_u32(msg, DEVLINK_ATTR_PARAM_VALUE_DATA, val.vu32)) goto value_nest_cancel; break; case DEVLINK_PARAM_TYPE_STRING: if (nla_put_string(msg, DEVLINK_ATTR_PARAM_VALUE_DATA, val.vstr)) goto value_nest_cancel; break; case DEVLINK_PARAM_TYPE_BOOL: if (val.vbool && nla_put_flag(msg, DEVLINK_ATTR_PARAM_VALUE_DATA)) goto value_nest_cancel; break; } nla_nest_end(msg, param_value_attr); return 0; value_nest_cancel: nla_nest_cancel(msg, param_value_attr); nla_put_failure: return -EMSGSIZE; } static int devlink_nl_param_fill(struct sk_buff *msg, struct devlink *devlink, |
f4601dee2 devlink: Add port... |
3559 |
unsigned int port_index, |
45f05def5 devlink: Add para... |
3560 3561 3562 3563 3564 |
struct devlink_param_item *param_item, enum devlink_command cmd, u32 portid, u32 seq, int flags) { union devlink_param_value param_value[DEVLINK_PARAM_CMODE_MAX + 1]; |
7c62cfb8c devlink: publish ... |
3565 |
bool param_value_set[DEVLINK_PARAM_CMODE_MAX + 1] = {}; |
45f05def5 devlink: Add para... |
3566 3567 3568 3569 3570 3571 3572 3573 3574 3575 3576 3577 3578 3579 3580 3581 3582 3583 |
const struct devlink_param *param = param_item->param; struct devlink_param_gset_ctx ctx; struct nlattr *param_values_list; struct nlattr *param_attr; int nla_type; void *hdr; int err; int i; /* Get value from driver part to driverinit configuration mode */ for (i = 0; i <= DEVLINK_PARAM_CMODE_MAX; i++) { if (!devlink_param_cmode_is_supported(param, i)) continue; if (i == DEVLINK_PARAM_CMODE_DRIVERINIT) { if (!param_item->driverinit_value_valid) return -EOPNOTSUPP; param_value[i] = param_item->driverinit_value; } else { |
7c62cfb8c devlink: publish ... |
3584 3585 |
if (!param_item->published) continue; |
45f05def5 devlink: Add para... |
3586 3587 3588 3589 3590 3591 |
ctx.cmode = i; err = devlink_param_get(devlink, param, &ctx); if (err) return err; param_value[i] = ctx.val; } |
7c62cfb8c devlink: publish ... |
3592 |
param_value_set[i] = true; |
45f05def5 devlink: Add para... |
3593 3594 3595 3596 3597 3598 3599 3600 |
} hdr = genlmsg_put(msg, portid, seq, &devlink_nl_family, flags, cmd); if (!hdr) return -EMSGSIZE; if (devlink_nl_put_handle(msg, devlink)) goto genlmsg_cancel; |
f4601dee2 devlink: Add port... |
3601 |
|
c1e5786d6 devlink: Add devl... |
3602 3603 3604 |
if (cmd == DEVLINK_CMD_PORT_PARAM_GET || cmd == DEVLINK_CMD_PORT_PARAM_NEW || cmd == DEVLINK_CMD_PORT_PARAM_DEL) |
f4601dee2 devlink: Add port... |
3605 3606 |
if (nla_put_u32(msg, DEVLINK_ATTR_PORT_INDEX, port_index)) goto genlmsg_cancel; |
ae0be8de9 netlink: make nla... |
3607 |
param_attr = nla_nest_start_noflag(msg, DEVLINK_ATTR_PARAM); |
45f05def5 devlink: Add para... |
3608 3609 3610 3611 3612 3613 3614 3615 3616 3617 3618 3619 |
if (!param_attr) goto genlmsg_cancel; if (nla_put_string(msg, DEVLINK_ATTR_PARAM_NAME, param->name)) goto param_nest_cancel; if (param->generic && nla_put_flag(msg, DEVLINK_ATTR_PARAM_GENERIC)) goto param_nest_cancel; nla_type = devlink_param_type_to_nla_type(param->type); if (nla_type < 0) goto param_nest_cancel; if (nla_put_u8(msg, DEVLINK_ATTR_PARAM_TYPE, nla_type)) goto param_nest_cancel; |
ae0be8de9 netlink: make nla... |
3620 3621 |
param_values_list = nla_nest_start_noflag(msg, DEVLINK_ATTR_PARAM_VALUES_LIST); |
45f05def5 devlink: Add para... |
3622 3623 3624 3625 |
if (!param_values_list) goto param_nest_cancel; for (i = 0; i <= DEVLINK_PARAM_CMODE_MAX; i++) { |
7c62cfb8c devlink: publish ... |
3626 |
if (!param_value_set[i]) |
45f05def5 devlink: Add para... |
3627 3628 3629 3630 3631 3632 3633 3634 3635 3636 3637 3638 3639 3640 3641 3642 3643 3644 3645 3646 |
continue; err = devlink_nl_param_value_fill_one(msg, param->type, i, param_value[i]); if (err) goto values_list_nest_cancel; } nla_nest_end(msg, param_values_list); nla_nest_end(msg, param_attr); genlmsg_end(msg, hdr); return 0; values_list_nest_cancel: nla_nest_end(msg, param_values_list); param_nest_cancel: nla_nest_cancel(msg, param_attr); genlmsg_cancel: genlmsg_cancel(msg, hdr); return -EMSGSIZE; } |
ea601e170 devlink: Add devl... |
3647 |
static void devlink_param_notify(struct devlink *devlink, |
c1e5786d6 devlink: Add devl... |
3648 |
unsigned int port_index, |
ea601e170 devlink: Add devl... |
3649 3650 3651 3652 3653 |
struct devlink_param_item *param_item, enum devlink_command cmd) { struct sk_buff *msg; int err; |
c1e5786d6 devlink: Add devl... |
3654 3655 3656 |
WARN_ON(cmd != DEVLINK_CMD_PARAM_NEW && cmd != DEVLINK_CMD_PARAM_DEL && cmd != DEVLINK_CMD_PORT_PARAM_NEW && cmd != DEVLINK_CMD_PORT_PARAM_DEL); |
ea601e170 devlink: Add devl... |
3657 3658 3659 3660 |
msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); if (!msg) return; |
c1e5786d6 devlink: Add devl... |
3661 3662 |
err = devlink_nl_param_fill(msg, devlink, port_index, param_item, cmd, 0, 0, 0); |
ea601e170 devlink: Add devl... |
3663 3664 3665 3666 3667 3668 3669 3670 |
if (err) { nlmsg_free(msg); return; } genlmsg_multicast_netns(&devlink_nl_family, devlink_net(devlink), msg, 0, DEVLINK_MCGRP_CONFIG, GFP_KERNEL); } |
45f05def5 devlink: Add para... |
3671 3672 3673 3674 3675 3676 3677 |
static int devlink_nl_cmd_param_get_dumpit(struct sk_buff *msg, struct netlink_callback *cb) { struct devlink_param_item *param_item; struct devlink *devlink; int start = cb->args[0]; int idx = 0; |
c62c2cfb8 net: devlink: don... |
3678 |
int err = 0; |
45f05def5 devlink: Add para... |
3679 3680 3681 3682 3683 3684 3685 3686 3687 3688 3689 |
mutex_lock(&devlink_mutex); list_for_each_entry(devlink, &devlink_list, list) { if (!net_eq(devlink_net(devlink), sock_net(msg->sk))) continue; mutex_lock(&devlink->lock); list_for_each_entry(param_item, &devlink->param_list, list) { if (idx < start) { idx++; continue; } |
f4601dee2 devlink: Add port... |
3690 |
err = devlink_nl_param_fill(msg, devlink, 0, param_item, |
45f05def5 devlink: Add para... |
3691 3692 3693 3694 |
DEVLINK_CMD_PARAM_GET, NETLINK_CB(cb->skb).portid, cb->nlh->nlmsg_seq, NLM_F_MULTI); |
82274d075 devlink: ignore -... |
3695 3696 3697 |
if (err == -EOPNOTSUPP) { err = 0; } else if (err) { |
45f05def5 devlink: Add para... |
3698 3699 3700 3701 3702 3703 3704 3705 3706 |
mutex_unlock(&devlink->lock); goto out; } idx++; } mutex_unlock(&devlink->lock); } out: mutex_unlock(&devlink_mutex); |
c62c2cfb8 net: devlink: don... |
3707 3708 |
if (err != -EMSGSIZE) return err; |
45f05def5 devlink: Add para... |
3709 3710 3711 |
cb->args[0] = idx; return msg->len; } |
e3b7ca18a devlink: Add para... |
3712 3713 3714 3715 3716 3717 3718 3719 3720 3721 3722 3723 3724 3725 3726 3727 3728 3729 3730 3731 3732 3733 3734 3735 3736 3737 3738 3739 3740 3741 3742 3743 3744 3745 3746 |
static int devlink_param_type_get_from_info(struct genl_info *info, enum devlink_param_type *param_type) { if (!info->attrs[DEVLINK_ATTR_PARAM_TYPE]) return -EINVAL; switch (nla_get_u8(info->attrs[DEVLINK_ATTR_PARAM_TYPE])) { case NLA_U8: *param_type = DEVLINK_PARAM_TYPE_U8; break; case NLA_U16: *param_type = DEVLINK_PARAM_TYPE_U16; break; case NLA_U32: *param_type = DEVLINK_PARAM_TYPE_U32; break; case NLA_STRING: *param_type = DEVLINK_PARAM_TYPE_STRING; break; case NLA_FLAG: *param_type = DEVLINK_PARAM_TYPE_BOOL; break; default: return -EINVAL; } return 0; } static int devlink_param_value_get_from_info(const struct devlink_param *param, struct genl_info *info, union devlink_param_value *value) { |
8750939b6 devlink: validate... |
3747 |
struct nlattr *param_data; |
f355cfcdb devlink: Fix para... |
3748 |
int len; |
8750939b6 devlink: validate... |
3749 3750 3751 |
param_data = info->attrs[DEVLINK_ATTR_PARAM_VALUE_DATA]; if (param->type != DEVLINK_PARAM_TYPE_BOOL && !param_data) |
e3b7ca18a devlink: Add para... |
3752 3753 3754 3755 |
return -EINVAL; switch (param->type) { case DEVLINK_PARAM_TYPE_U8: |
8750939b6 devlink: validate... |
3756 3757 3758 |
if (nla_len(param_data) != sizeof(u8)) return -EINVAL; value->vu8 = nla_get_u8(param_data); |
e3b7ca18a devlink: Add para... |
3759 3760 |
break; case DEVLINK_PARAM_TYPE_U16: |
8750939b6 devlink: validate... |
3761 3762 3763 |
if (nla_len(param_data) != sizeof(u16)) return -EINVAL; value->vu16 = nla_get_u16(param_data); |
e3b7ca18a devlink: Add para... |
3764 3765 |
break; case DEVLINK_PARAM_TYPE_U32: |
8750939b6 devlink: validate... |
3766 3767 3768 |
if (nla_len(param_data) != sizeof(u32)) return -EINVAL; value->vu32 = nla_get_u32(param_data); |
e3b7ca18a devlink: Add para... |
3769 3770 |
break; case DEVLINK_PARAM_TYPE_STRING: |
8750939b6 devlink: validate... |
3771 3772 |
len = strnlen(nla_data(param_data), nla_len(param_data)); if (len == nla_len(param_data) || |
bde74ad10 devlink: Add help... |
3773 |
len >= __DEVLINK_PARAM_MAX_STRING_VALUE) |
e3b7ca18a devlink: Add para... |
3774 |
return -EINVAL; |
8750939b6 devlink: validate... |
3775 |
strcpy(value->vstr, nla_data(param_data)); |
e3b7ca18a devlink: Add para... |
3776 3777 |
break; case DEVLINK_PARAM_TYPE_BOOL: |
8750939b6 devlink: validate... |
3778 3779 3780 |
if (param_data && nla_len(param_data)) return -EINVAL; value->vbool = nla_get_flag(param_data); |
e3b7ca18a devlink: Add para... |
3781 3782 3783 3784 |
break; } return 0; } |
45f05def5 devlink: Add para... |
3785 |
static struct devlink_param_item * |
f4601dee2 devlink: Add port... |
3786 |
devlink_param_get_from_info(struct list_head *param_list, |
45f05def5 devlink: Add para... |
3787 3788 3789 3790 3791 3792 3793 3794 |
struct genl_info *info) { char *param_name; if (!info->attrs[DEVLINK_ATTR_PARAM_NAME]) return NULL; param_name = nla_data(info->attrs[DEVLINK_ATTR_PARAM_NAME]); |
f4601dee2 devlink: Add port... |
3795 |
return devlink_param_find_by_name(param_list, param_name); |
45f05def5 devlink: Add para... |
3796 3797 3798 3799 3800 3801 3802 3803 3804 |
} static int devlink_nl_cmd_param_get_doit(struct sk_buff *skb, struct genl_info *info) { struct devlink *devlink = info->user_ptr[0]; struct devlink_param_item *param_item; struct sk_buff *msg; int err; |
f4601dee2 devlink: Add port... |
3805 |
param_item = devlink_param_get_from_info(&devlink->param_list, info); |
45f05def5 devlink: Add para... |
3806 3807 3808 3809 3810 3811 |
if (!param_item) return -EINVAL; msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); if (!msg) return -ENOMEM; |
f4601dee2 devlink: Add port... |
3812 |
err = devlink_nl_param_fill(msg, devlink, 0, param_item, |
45f05def5 devlink: Add para... |
3813 3814 3815 3816 3817 3818 3819 3820 3821 |
DEVLINK_CMD_PARAM_GET, info->snd_portid, info->snd_seq, 0); if (err) { nlmsg_free(msg); return err; } return genlmsg_reply(msg, info); } |
9c54873b4 devlink: Add port... |
3822 |
static int __devlink_nl_cmd_param_set_doit(struct devlink *devlink, |
c1e5786d6 devlink: Add devl... |
3823 |
unsigned int port_index, |
9c54873b4 devlink: Add port... |
3824 3825 3826 |
struct list_head *param_list, struct genl_info *info, enum devlink_command cmd) |
e3b7ca18a devlink: Add para... |
3827 |
{ |
e3b7ca18a devlink: Add para... |
3828 3829 3830 3831 3832 3833 3834 |
enum devlink_param_type param_type; struct devlink_param_gset_ctx ctx; enum devlink_param_cmode cmode; struct devlink_param_item *param_item; const struct devlink_param *param; union devlink_param_value value; int err = 0; |
9c54873b4 devlink: Add port... |
3835 |
param_item = devlink_param_get_from_info(param_list, info); |
e3b7ca18a devlink: Add para... |
3836 3837 3838 3839 3840 3841 3842 3843 3844 3845 3846 3847 3848 3849 3850 3851 3852 3853 3854 3855 3856 3857 3858 3859 |
if (!param_item) return -EINVAL; param = param_item->param; err = devlink_param_type_get_from_info(info, ¶m_type); if (err) return err; if (param_type != param->type) return -EINVAL; err = devlink_param_value_get_from_info(param, info, &value); if (err) return err; if (param->validate) { err = param->validate(devlink, param->id, value, info->extack); if (err) return err; } if (!info->attrs[DEVLINK_ATTR_PARAM_VALUE_CMODE]) return -EINVAL; cmode = nla_get_u8(info->attrs[DEVLINK_ATTR_PARAM_VALUE_CMODE]); if (!devlink_param_cmode_is_supported(param, cmode)) return -EOPNOTSUPP; if (cmode == DEVLINK_PARAM_CMODE_DRIVERINIT) { |
1276534c9 devlink: Fix para... |
3860 3861 3862 3863 |
if (param->type == DEVLINK_PARAM_TYPE_STRING) strcpy(param_item->driverinit_value.vstr, value.vstr); else param_item->driverinit_value = value; |
e3b7ca18a devlink: Add para... |
3864 3865 3866 3867 3868 3869 3870 3871 3872 3873 |
param_item->driverinit_value_valid = true; } else { if (!param->set) return -EOPNOTSUPP; ctx.val = value; ctx.cmode = cmode; err = devlink_param_set(devlink, param, &ctx); if (err) return err; } |
c1e5786d6 devlink: Add devl... |
3874 |
devlink_param_notify(devlink, port_index, param_item, cmd); |
e3b7ca18a devlink: Add para... |
3875 3876 |
return 0; } |
9c54873b4 devlink: Add port... |
3877 3878 3879 3880 |
static int devlink_nl_cmd_param_set_doit(struct sk_buff *skb, struct genl_info *info) { struct devlink *devlink = info->user_ptr[0]; |
c1e5786d6 devlink: Add devl... |
3881 |
return __devlink_nl_cmd_param_set_doit(devlink, 0, &devlink->param_list, |
9c54873b4 devlink: Add port... |
3882 3883 |
info, DEVLINK_CMD_PARAM_NEW); } |
eabaef189 devlink: Add devl... |
3884 |
static int devlink_param_register_one(struct devlink *devlink, |
c1e5786d6 devlink: Add devl... |
3885 |
unsigned int port_index, |
39e6160e1 devlink: Add devl... |
3886 |
struct list_head *param_list, |
c1e5786d6 devlink: Add devl... |
3887 3888 |
const struct devlink_param *param, enum devlink_command cmd) |
eabaef189 devlink: Add devl... |
3889 3890 |
{ struct devlink_param_item *param_item; |
39e6160e1 devlink: Add devl... |
3891 |
if (devlink_param_find_by_name(param_list, param->name)) |
eabaef189 devlink: Add devl... |
3892 3893 3894 3895 3896 3897 3898 3899 3900 3901 3902 |
return -EEXIST; if (param->supported_cmodes == BIT(DEVLINK_PARAM_CMODE_DRIVERINIT)) WARN_ON(param->get || param->set); else WARN_ON(!param->get || !param->set); param_item = kzalloc(sizeof(*param_item), GFP_KERNEL); if (!param_item) return -ENOMEM; param_item->param = param; |
39e6160e1 devlink: Add devl... |
3903 |
list_add_tail(¶m_item->list, param_list); |
c1e5786d6 devlink: Add devl... |
3904 |
devlink_param_notify(devlink, port_index, param_item, cmd); |
eabaef189 devlink: Add devl... |
3905 3906 3907 3908 |
return 0; } static void devlink_param_unregister_one(struct devlink *devlink, |
c1e5786d6 devlink: Add devl... |
3909 |
unsigned int port_index, |
39e6160e1 devlink: Add devl... |
3910 |
struct list_head *param_list, |
c1e5786d6 devlink: Add devl... |
3911 3912 |
const struct devlink_param *param, enum devlink_command cmd) |
eabaef189 devlink: Add devl... |
3913 3914 |
{ struct devlink_param_item *param_item; |
39e6160e1 devlink: Add devl... |
3915 |
param_item = devlink_param_find_by_name(param_list, param->name); |
eabaef189 devlink: Add devl... |
3916 |
WARN_ON(!param_item); |
c1e5786d6 devlink: Add devl... |
3917 |
devlink_param_notify(devlink, port_index, param_item, cmd); |
eabaef189 devlink: Add devl... |
3918 3919 3920 |
list_del(¶m_item->list); kfree(param_item); } |
f4601dee2 devlink: Add port... |
3921 3922 3923 3924 3925 3926 3927 3928 |
static int devlink_nl_cmd_port_param_get_dumpit(struct sk_buff *msg, struct netlink_callback *cb) { struct devlink_param_item *param_item; struct devlink_port *devlink_port; struct devlink *devlink; int start = cb->args[0]; int idx = 0; |
c62c2cfb8 net: devlink: don... |
3929 |
int err = 0; |
f4601dee2 devlink: Add port... |
3930 3931 3932 3933 3934 3935 3936 3937 3938 3939 3940 3941 3942 3943 3944 3945 3946 3947 3948 3949 |
mutex_lock(&devlink_mutex); list_for_each_entry(devlink, &devlink_list, list) { if (!net_eq(devlink_net(devlink), sock_net(msg->sk))) continue; mutex_lock(&devlink->lock); list_for_each_entry(devlink_port, &devlink->port_list, list) { list_for_each_entry(param_item, &devlink_port->param_list, list) { if (idx < start) { idx++; continue; } err = devlink_nl_param_fill(msg, devlink_port->devlink, devlink_port->index, param_item, DEVLINK_CMD_PORT_PARAM_GET, NETLINK_CB(cb->skb).portid, cb->nlh->nlmsg_seq, NLM_F_MULTI); |
82274d075 devlink: ignore -... |
3950 3951 3952 |
if (err == -EOPNOTSUPP) { err = 0; } else if (err) { |
f4601dee2 devlink: Add port... |
3953 3954 3955 3956 3957 3958 3959 3960 3961 3962 |
mutex_unlock(&devlink->lock); goto out; } idx++; } } mutex_unlock(&devlink->lock); } out: mutex_unlock(&devlink_mutex); |
c62c2cfb8 net: devlink: don... |
3963 3964 |
if (err != -EMSGSIZE) return err; |
f4601dee2 devlink: Add port... |
3965 3966 3967 3968 3969 3970 3971 |
cb->args[0] = idx; return msg->len; } static int devlink_nl_cmd_port_param_get_doit(struct sk_buff *skb, struct genl_info *info) { |
7e238de82 net: core: devlin... |
3972 |
struct devlink_port *devlink_port = info->user_ptr[1]; |
f4601dee2 devlink: Add port... |
3973 3974 3975 3976 3977 3978 3979 3980 3981 3982 3983 3984 3985 3986 3987 3988 3989 3990 3991 3992 3993 3994 3995 3996 |
struct devlink_param_item *param_item; struct sk_buff *msg; int err; param_item = devlink_param_get_from_info(&devlink_port->param_list, info); if (!param_item) return -EINVAL; msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); if (!msg) return -ENOMEM; err = devlink_nl_param_fill(msg, devlink_port->devlink, devlink_port->index, param_item, DEVLINK_CMD_PORT_PARAM_GET, info->snd_portid, info->snd_seq, 0); if (err) { nlmsg_free(msg); return err; } return genlmsg_reply(msg, info); } |
9c54873b4 devlink: Add port... |
3997 3998 3999 |
static int devlink_nl_cmd_port_param_set_doit(struct sk_buff *skb, struct genl_info *info) { |
7e238de82 net: core: devlin... |
4000 |
struct devlink_port *devlink_port = info->user_ptr[1]; |
9c54873b4 devlink: Add port... |
4001 4002 |
return __devlink_nl_cmd_param_set_doit(devlink_port->devlink, |
c1e5786d6 devlink: Add devl... |
4003 4004 4005 |
devlink_port->index, &devlink_port->param_list, info, DEVLINK_CMD_PORT_PARAM_NEW); |
9c54873b4 devlink: Add port... |
4006 |
} |
a006d467f devlink: Extend t... |
4007 4008 4009 4010 4011 4012 |
static int devlink_nl_region_snapshot_id_put(struct sk_buff *msg, struct devlink *devlink, struct devlink_snapshot *snapshot) { struct nlattr *snap_attr; int err; |
ae0be8de9 netlink: make nla... |
4013 |
snap_attr = nla_nest_start_noflag(msg, DEVLINK_ATTR_REGION_SNAPSHOT); |
a006d467f devlink: Extend t... |
4014 4015 4016 4017 4018 4019 4020 4021 4022 4023 4024 4025 4026 4027 4028 4029 4030 4031 4032 4033 4034 4035 |
if (!snap_attr) return -EINVAL; err = nla_put_u32(msg, DEVLINK_ATTR_REGION_SNAPSHOT_ID, snapshot->id); if (err) goto nla_put_failure; nla_nest_end(msg, snap_attr); return 0; nla_put_failure: nla_nest_cancel(msg, snap_attr); return err; } static int devlink_nl_region_snapshots_id_put(struct sk_buff *msg, struct devlink *devlink, struct devlink_region *region) { struct devlink_snapshot *snapshot; struct nlattr *snapshots_attr; int err; |
ae0be8de9 netlink: make nla... |
4036 4037 |
snapshots_attr = nla_nest_start_noflag(msg, DEVLINK_ATTR_REGION_SNAPSHOTS); |
a006d467f devlink: Extend t... |
4038 4039 4040 4041 4042 4043 4044 4045 4046 4047 4048 4049 4050 4051 4052 4053 |
if (!snapshots_attr) return -EINVAL; list_for_each_entry(snapshot, ®ion->snapshot_list, list) { err = devlink_nl_region_snapshot_id_put(msg, devlink, snapshot); if (err) goto nla_put_failure; } nla_nest_end(msg, snapshots_attr); return 0; nla_put_failure: nla_nest_cancel(msg, snapshots_attr); return err; } |
d8db7ea55 devlink: Add supp... |
4054 4055 4056 4057 4058 4059 4060 4061 4062 4063 4064 4065 4066 4067 4068 |
static int devlink_nl_region_fill(struct sk_buff *msg, struct devlink *devlink, enum devlink_command cmd, u32 portid, u32 seq, int flags, struct devlink_region *region) { void *hdr; int err; hdr = genlmsg_put(msg, portid, seq, &devlink_nl_family, flags, cmd); if (!hdr) return -EMSGSIZE; err = devlink_nl_put_handle(msg, devlink); if (err) goto nla_put_failure; |
6c211809c devlink: Fix some... |
4069 4070 4071 4072 |
if (region->port) { err = nla_put_u32(msg, DEVLINK_ATTR_PORT_INDEX, region->port->index); if (err) |
544e7c33e net: devlink: Add... |
4073 |
goto nla_put_failure; |
6c211809c devlink: Fix some... |
4074 |
} |
544e7c33e net: devlink: Add... |
4075 |
|
e89376817 devlink: prepare ... |
4076 |
err = nla_put_string(msg, DEVLINK_ATTR_REGION_NAME, region->ops->name); |
d8db7ea55 devlink: Add supp... |
4077 4078 4079 4080 4081 4082 4083 4084 |
if (err) goto nla_put_failure; err = nla_put_u64_64bit(msg, DEVLINK_ATTR_REGION_SIZE, region->size, DEVLINK_ATTR_PAD); if (err) goto nla_put_failure; |
a006d467f devlink: Extend t... |
4085 4086 4087 |
err = devlink_nl_region_snapshots_id_put(msg, devlink, region); if (err) goto nla_put_failure; |
d8db7ea55 devlink: Add supp... |
4088 4089 4090 4091 4092 4093 4094 |
genlmsg_end(msg, hdr); return 0; nla_put_failure: genlmsg_cancel(msg, hdr); return err; } |
dd86fec7e devlink: factor o... |
4095 4096 4097 4098 |
static struct sk_buff * devlink_nl_region_notify_build(struct devlink_region *region, struct devlink_snapshot *snapshot, enum devlink_command cmd, u32 portid, u32 seq) |
866319bb9 devlink: Add supp... |
4099 4100 4101 4102 4103 |
{ struct devlink *devlink = region->devlink; struct sk_buff *msg; void *hdr; int err; |
866319bb9 devlink: Add supp... |
4104 4105 4106 |
msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); if (!msg) |
dd86fec7e devlink: factor o... |
4107 |
return ERR_PTR(-ENOMEM); |
866319bb9 devlink: Add supp... |
4108 |
|
dd86fec7e devlink: factor o... |
4109 4110 4111 |
hdr = genlmsg_put(msg, portid, seq, &devlink_nl_family, 0, cmd); if (!hdr) { err = -EMSGSIZE; |
866319bb9 devlink: Add supp... |
4112 |
goto out_free_msg; |
dd86fec7e devlink: factor o... |
4113 |
} |
866319bb9 devlink: Add supp... |
4114 4115 4116 4117 |
err = devlink_nl_put_handle(msg, devlink); if (err) goto out_cancel_msg; |
6c211809c devlink: Fix some... |
4118 4119 4120 4121 |
if (region->port) { err = nla_put_u32(msg, DEVLINK_ATTR_PORT_INDEX, region->port->index); if (err) |
544e7c33e net: devlink: Add... |
4122 |
goto out_cancel_msg; |
6c211809c devlink: Fix some... |
4123 |
} |
544e7c33e net: devlink: Add... |
4124 |
|
866319bb9 devlink: Add supp... |
4125 |
err = nla_put_string(msg, DEVLINK_ATTR_REGION_NAME, |
e89376817 devlink: prepare ... |
4126 |
region->ops->name); |
866319bb9 devlink: Add supp... |
4127 4128 4129 4130 4131 4132 4133 4134 4135 4136 4137 4138 4139 4140 4141 |
if (err) goto out_cancel_msg; if (snapshot) { err = nla_put_u32(msg, DEVLINK_ATTR_REGION_SNAPSHOT_ID, snapshot->id); if (err) goto out_cancel_msg; } else { err = nla_put_u64_64bit(msg, DEVLINK_ATTR_REGION_SIZE, region->size, DEVLINK_ATTR_PAD); if (err) goto out_cancel_msg; } genlmsg_end(msg, hdr); |
dd86fec7e devlink: factor o... |
4142 |
return msg; |
866319bb9 devlink: Add supp... |
4143 4144 4145 4146 4147 |
out_cancel_msg: genlmsg_cancel(msg, hdr); out_free_msg: nlmsg_free(msg); |
dd86fec7e devlink: factor o... |
4148 4149 4150 4151 4152 4153 4154 4155 4156 4157 4158 4159 4160 4161 4162 4163 4164 4165 |
return ERR_PTR(err); } static void devlink_nl_region_notify(struct devlink_region *region, struct devlink_snapshot *snapshot, enum devlink_command cmd) { struct devlink *devlink = region->devlink; struct sk_buff *msg; WARN_ON(cmd != DEVLINK_CMD_REGION_NEW && cmd != DEVLINK_CMD_REGION_DEL); msg = devlink_nl_region_notify_build(region, snapshot, cmd, 0, 0); if (IS_ERR(msg)) return; genlmsg_multicast_netns(&devlink_nl_family, devlink_net(devlink), msg, 0, DEVLINK_MCGRP_CONFIG, GFP_KERNEL); |
866319bb9 devlink: Add supp... |
4166 |
} |
cf80faee7 devlink: add func... |
4167 |
/** |
12102436a devlink: track sn... |
4168 4169 4170 4171 4172 4173 4174 4175 4176 4177 4178 4179 4180 4181 4182 4183 4184 4185 4186 4187 4188 4189 4190 4191 4192 4193 4194 4195 4196 4197 4198 4199 4200 4201 4202 4203 4204 4205 4206 4207 4208 4209 4210 4211 4212 4213 4214 4215 4216 4217 4218 4219 4220 4221 4222 4223 4224 4225 4226 4227 4228 4229 4230 4231 4232 4233 4234 4235 4236 4237 4238 4239 4240 4241 4242 4243 4244 |
* __devlink_snapshot_id_increment - Increment number of snapshots using an id * @devlink: devlink instance * @id: the snapshot id * * Track when a new snapshot begins using an id. Load the count for the * given id from the snapshot xarray, increment it, and store it back. * * Called when a new snapshot is created with the given id. * * The id *must* have been previously allocated by * devlink_region_snapshot_id_get(). * * Returns 0 on success, or an error on failure. */ static int __devlink_snapshot_id_increment(struct devlink *devlink, u32 id) { unsigned long count; void *p; lockdep_assert_held(&devlink->lock); p = xa_load(&devlink->snapshot_ids, id); if (WARN_ON(!p)) return -EINVAL; if (WARN_ON(!xa_is_value(p))) return -EINVAL; count = xa_to_value(p); count++; return xa_err(xa_store(&devlink->snapshot_ids, id, xa_mk_value(count), GFP_KERNEL)); } /** * __devlink_snapshot_id_decrement - Decrease number of snapshots using an id * @devlink: devlink instance * @id: the snapshot id * * Track when a snapshot is deleted and stops using an id. Load the count * for the given id from the snapshot xarray, decrement it, and store it * back. * * If the count reaches zero, erase this id from the xarray, freeing it * up for future re-use by devlink_region_snapshot_id_get(). * * Called when a snapshot using the given id is deleted, and when the * initial allocator of the id is finished using it. */ static void __devlink_snapshot_id_decrement(struct devlink *devlink, u32 id) { unsigned long count; void *p; lockdep_assert_held(&devlink->lock); p = xa_load(&devlink->snapshot_ids, id); if (WARN_ON(!p)) return; if (WARN_ON(!xa_is_value(p))) return; count = xa_to_value(p); if (count > 1) { count--; xa_store(&devlink->snapshot_ids, id, xa_mk_value(count), GFP_KERNEL); } else { /* If this was the last user, we can erase this id */ xa_erase(&devlink->snapshot_ids, id); } } /** |
b9a17abfd devlink: implemen... |
4245 4246 4247 4248 4249 4250 4251 4252 4253 4254 4255 4256 4257 4258 4259 4260 4261 4262 |
* __devlink_snapshot_id_insert - Insert a specific snapshot ID * @devlink: devlink instance * @id: the snapshot id * * Mark the given snapshot id as used by inserting a zero value into the * snapshot xarray. * * This must be called while holding the devlink instance lock. Unlike * devlink_snapshot_id_get, the initial reference count is zero, not one. * It is expected that the id will immediately be used before * releasing the devlink instance lock. * * Returns zero on success, or an error code if the snapshot id could not * be inserted. */ static int __devlink_snapshot_id_insert(struct devlink *devlink, u32 id) { lockdep_assert_held(&devlink->lock); |
bd71ea606 net: devlink: Rem... |
4263 |
if (xa_load(&devlink->snapshot_ids, id)) |
b9a17abfd devlink: implemen... |
4264 4265 4266 4267 4268 4269 4270 |
return -EEXIST; return xa_err(xa_store(&devlink->snapshot_ids, id, xa_mk_value(0), GFP_KERNEL)); } /** |
7000108f2 devlink: extract ... |
4271 4272 |
* __devlink_region_snapshot_id_get - get snapshot ID * @devlink: devlink instance |
7ef19d3b1 devlink: report e... |
4273 |
* @id: storage to return snapshot id |
7000108f2 devlink: extract ... |
4274 |
* |
7ef19d3b1 devlink: report e... |
4275 4276 4277 |
* Allocates a new snapshot id. Returns zero on success, or a negative * error on failure. Must be called while holding the devlink instance * lock. |
12102436a devlink: track sn... |
4278 4279 4280 4281 4282 4283 4284 |
* * Snapshot IDs are tracked using an xarray which stores the number of * users of the snapshot id. * * Note that the caller of this function counts as a 'user', in order to * avoid race conditions. The caller must release its hold on the * snapshot by using devlink_region_snapshot_id_put. |
7000108f2 devlink: extract ... |
4285 |
*/ |
7ef19d3b1 devlink: report e... |
4286 |
static int __devlink_region_snapshot_id_get(struct devlink *devlink, u32 *id) |
7000108f2 devlink: extract ... |
4287 4288 |
{ lockdep_assert_held(&devlink->lock); |
7ef19d3b1 devlink: report e... |
4289 |
|
12102436a devlink: track sn... |
4290 4291 |
return xa_alloc(&devlink->snapshot_ids, id, xa_mk_value(1), xa_limit_32b, GFP_KERNEL); |
7000108f2 devlink: extract ... |
4292 4293 4294 |
} /** |
cf80faee7 devlink: add func... |
4295 4296 4297 4298 4299 4300 4301 4302 4303 4304 4305 4306 4307 4308 4309 4310 4311 4312 4313 |
* __devlink_region_snapshot_create - create a new snapshot * This will add a new snapshot of a region. The snapshot * will be stored on the region struct and can be accessed * from devlink. This is useful for future analyses of snapshots. * Multiple snapshots can be created on a region. * The @snapshot_id should be obtained using the getter function. * * Must be called only while holding the devlink instance lock. * * @region: devlink region of the snapshot * @data: snapshot data * @snapshot_id: snapshot id to be created */ static int __devlink_region_snapshot_create(struct devlink_region *region, u8 *data, u32 snapshot_id) { struct devlink *devlink = region->devlink; struct devlink_snapshot *snapshot; |
12102436a devlink: track sn... |
4314 |
int err; |
cf80faee7 devlink: add func... |
4315 4316 4317 4318 4319 |
lockdep_assert_held(&devlink->lock); /* check if region can hold one more snapshot */ if (region->cur_snapshots == region->max_snapshots) |
47a39f610 devlink: use -ENO... |
4320 |
return -ENOSPC; |
cf80faee7 devlink: add func... |
4321 4322 4323 4324 4325 4326 4327 |
if (devlink_region_snapshot_get_by_id(region, snapshot_id)) return -EEXIST; snapshot = kzalloc(sizeof(*snapshot), GFP_KERNEL); if (!snapshot) return -ENOMEM; |
12102436a devlink: track sn... |
4328 4329 4330 |
err = __devlink_snapshot_id_increment(devlink, snapshot_id); if (err) goto err_snapshot_id_increment; |
cf80faee7 devlink: add func... |
4331 4332 4333 4334 4335 4336 4337 4338 4339 4340 |
snapshot->id = snapshot_id; snapshot->region = region; snapshot->data = data; list_add_tail(&snapshot->list, ®ion->snapshot_list); region->cur_snapshots++; devlink_nl_region_notify(region, snapshot, DEVLINK_CMD_REGION_NEW); return 0; |
12102436a devlink: track sn... |
4341 4342 4343 4344 |
err_snapshot_id_increment: kfree(snapshot); return err; |
cf80faee7 devlink: add func... |
4345 |
} |
92b498222 devlink: send not... |
4346 4347 4348 |
static void devlink_region_snapshot_del(struct devlink_region *region, struct devlink_snapshot *snapshot) { |
12102436a devlink: track sn... |
4349 4350 4351 |
struct devlink *devlink = region->devlink; lockdep_assert_held(&devlink->lock); |
92b498222 devlink: send not... |
4352 4353 4354 |
devlink_nl_region_notify(region, snapshot, DEVLINK_CMD_REGION_DEL); region->cur_snapshots--; list_del(&snapshot->list); |
a0a09f6bb devlink: convert ... |
4355 |
region->ops->destructor(snapshot->data); |
12102436a devlink: track sn... |
4356 |
__devlink_snapshot_id_decrement(devlink, snapshot->id); |
92b498222 devlink: send not... |
4357 4358 |
kfree(snapshot); } |
d8db7ea55 devlink: Add supp... |
4359 4360 4361 4362 |
static int devlink_nl_cmd_region_get_doit(struct sk_buff *skb, struct genl_info *info) { struct devlink *devlink = info->user_ptr[0]; |
544e7c33e net: devlink: Add... |
4363 |
struct devlink_port *port = NULL; |
d8db7ea55 devlink: Add supp... |
4364 4365 4366 |
struct devlink_region *region; const char *region_name; struct sk_buff *msg; |
544e7c33e net: devlink: Add... |
4367 |
unsigned int index; |
d8db7ea55 devlink: Add supp... |
4368 4369 4370 4371 |
int err; if (!info->attrs[DEVLINK_ATTR_REGION_NAME]) return -EINVAL; |
544e7c33e net: devlink: Add... |
4372 4373 4374 4375 4376 4377 4378 |
if (info->attrs[DEVLINK_ATTR_PORT_INDEX]) { index = nla_get_u32(info->attrs[DEVLINK_ATTR_PORT_INDEX]); port = devlink_port_get_by_index(devlink, index); if (!port) return -ENODEV; } |
d8db7ea55 devlink: Add supp... |
4379 |
region_name = nla_data(info->attrs[DEVLINK_ATTR_REGION_NAME]); |
544e7c33e net: devlink: Add... |
4380 4381 4382 4383 |
if (port) region = devlink_port_region_get_by_name(port, region_name); else region = devlink_region_get_by_name(devlink, region_name); |
d8db7ea55 devlink: Add supp... |
4384 4385 4386 4387 4388 4389 4390 4391 4392 4393 4394 4395 4396 4397 4398 4399 4400 |
if (!region) return -EINVAL; msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); if (!msg) return -ENOMEM; err = devlink_nl_region_fill(msg, devlink, DEVLINK_CMD_REGION_GET, info->snd_portid, info->snd_seq, 0, region); if (err) { nlmsg_free(msg); return err; } return genlmsg_reply(msg, info); } |
544e7c33e net: devlink: Add... |
4401 4402 4403 4404 4405 4406 4407 4408 4409 4410 4411 4412 4413 4414 4415 4416 4417 4418 4419 4420 4421 4422 4423 4424 4425 4426 4427 4428 4429 4430 4431 4432 4433 4434 4435 4436 4437 4438 4439 4440 4441 4442 4443 4444 4445 4446 4447 4448 4449 4450 4451 4452 4453 4454 4455 4456 4457 4458 4459 4460 4461 4462 4463 4464 4465 |
static int devlink_nl_cmd_region_get_port_dumpit(struct sk_buff *msg, struct netlink_callback *cb, struct devlink_port *port, int *idx, int start) { struct devlink_region *region; int err = 0; list_for_each_entry(region, &port->region_list, list) { if (*idx < start) { (*idx)++; continue; } err = devlink_nl_region_fill(msg, port->devlink, DEVLINK_CMD_REGION_GET, NETLINK_CB(cb->skb).portid, cb->nlh->nlmsg_seq, NLM_F_MULTI, region); if (err) goto out; (*idx)++; } out: return err; } static int devlink_nl_cmd_region_get_devlink_dumpit(struct sk_buff *msg, struct netlink_callback *cb, struct devlink *devlink, int *idx, int start) { struct devlink_region *region; struct devlink_port *port; int err = 0; mutex_lock(&devlink->lock); list_for_each_entry(region, &devlink->region_list, list) { if (*idx < start) { (*idx)++; continue; } err = devlink_nl_region_fill(msg, devlink, DEVLINK_CMD_REGION_GET, NETLINK_CB(cb->skb).portid, cb->nlh->nlmsg_seq, NLM_F_MULTI, region); if (err) goto out; (*idx)++; } list_for_each_entry(port, &devlink->port_list, list) { err = devlink_nl_cmd_region_get_port_dumpit(msg, cb, port, idx, start); if (err) goto out; } out: mutex_unlock(&devlink->lock); return err; } |
d8db7ea55 devlink: Add supp... |
4466 4467 4468 |
static int devlink_nl_cmd_region_get_dumpit(struct sk_buff *msg, struct netlink_callback *cb) { |
d8db7ea55 devlink: Add supp... |
4469 4470 4471 4472 4473 4474 4475 4476 4477 |
struct devlink *devlink; int start = cb->args[0]; int idx = 0; int err; mutex_lock(&devlink_mutex); list_for_each_entry(devlink, &devlink_list, list) { if (!net_eq(devlink_net(devlink), sock_net(msg->sk))) continue; |
544e7c33e net: devlink: Add... |
4478 4479 4480 4481 |
err = devlink_nl_cmd_region_get_devlink_dumpit(msg, cb, devlink, &idx, start); if (err) goto out; |
d8db7ea55 devlink: Add supp... |
4482 4483 4484 4485 4486 4487 |
} out: mutex_unlock(&devlink_mutex); cb->args[0] = idx; return msg->len; } |
866319bb9 devlink: Add supp... |
4488 4489 4490 4491 4492 |
static int devlink_nl_cmd_region_del(struct sk_buff *skb, struct genl_info *info) { struct devlink *devlink = info->user_ptr[0]; struct devlink_snapshot *snapshot; |
544e7c33e net: devlink: Add... |
4493 |
struct devlink_port *port = NULL; |
866319bb9 devlink: Add supp... |
4494 4495 |
struct devlink_region *region; const char *region_name; |
544e7c33e net: devlink: Add... |
4496 |
unsigned int index; |
866319bb9 devlink: Add supp... |
4497 4498 4499 4500 4501 4502 4503 4504 |
u32 snapshot_id; if (!info->attrs[DEVLINK_ATTR_REGION_NAME] || !info->attrs[DEVLINK_ATTR_REGION_SNAPSHOT_ID]) return -EINVAL; region_name = nla_data(info->attrs[DEVLINK_ATTR_REGION_NAME]); snapshot_id = nla_get_u32(info->attrs[DEVLINK_ATTR_REGION_SNAPSHOT_ID]); |
544e7c33e net: devlink: Add... |
4505 4506 4507 4508 4509 4510 4511 4512 4513 4514 4515 4516 |
if (info->attrs[DEVLINK_ATTR_PORT_INDEX]) { index = nla_get_u32(info->attrs[DEVLINK_ATTR_PORT_INDEX]); port = devlink_port_get_by_index(devlink, index); if (!port) return -ENODEV; } if (port) region = devlink_port_region_get_by_name(port, region_name); else region = devlink_region_get_by_name(devlink, region_name); |
866319bb9 devlink: Add supp... |
4517 4518 4519 4520 4521 4522 |
if (!region) return -EINVAL; snapshot = devlink_region_snapshot_get_by_id(region, snapshot_id); if (!snapshot) return -EINVAL; |
92b498222 devlink: send not... |
4523 |
devlink_region_snapshot_del(region, snapshot); |
866319bb9 devlink: Add supp... |
4524 4525 |
return 0; } |
b9a17abfd devlink: implemen... |
4526 4527 4528 4529 |
static int devlink_nl_cmd_region_new(struct sk_buff *skb, struct genl_info *info) { struct devlink *devlink = info->user_ptr[0]; |
043b3e227 devlink: let kern... |
4530 |
struct devlink_snapshot *snapshot; |
544e7c33e net: devlink: Add... |
4531 |
struct devlink_port *port = NULL; |
043b3e227 devlink: let kern... |
4532 |
struct nlattr *snapshot_id_attr; |
b9a17abfd devlink: implemen... |
4533 4534 |
struct devlink_region *region; const char *region_name; |
544e7c33e net: devlink: Add... |
4535 |
unsigned int index; |
b9a17abfd devlink: implemen... |
4536 4537 4538 4539 4540 4541 4542 4543 |
u32 snapshot_id; u8 *data; int err; if (!info->attrs[DEVLINK_ATTR_REGION_NAME]) { NL_SET_ERR_MSG_MOD(info->extack, "No region name provided"); return -EINVAL; } |
b9a17abfd devlink: implemen... |
4544 |
region_name = nla_data(info->attrs[DEVLINK_ATTR_REGION_NAME]); |
544e7c33e net: devlink: Add... |
4545 4546 4547 4548 4549 4550 4551 4552 4553 4554 4555 4556 4557 |
if (info->attrs[DEVLINK_ATTR_PORT_INDEX]) { index = nla_get_u32(info->attrs[DEVLINK_ATTR_PORT_INDEX]); port = devlink_port_get_by_index(devlink, index); if (!port) return -ENODEV; } if (port) region = devlink_port_region_get_by_name(port, region_name); else region = devlink_region_get_by_name(devlink, region_name); |
b9a17abfd devlink: implemen... |
4558 4559 4560 4561 4562 4563 4564 4565 4566 4567 4568 4569 4570 4571 |
if (!region) { NL_SET_ERR_MSG_MOD(info->extack, "The requested region does not exist"); return -EINVAL; } if (!region->ops->snapshot) { NL_SET_ERR_MSG_MOD(info->extack, "The requested region does not support taking an immediate snapshot"); return -EOPNOTSUPP; } if (region->cur_snapshots == region->max_snapshots) { NL_SET_ERR_MSG_MOD(info->extack, "The region has reached the maximum number of stored snapshots"); return -ENOSPC; } |
043b3e227 devlink: let kern... |
4572 4573 4574 |
snapshot_id_attr = info->attrs[DEVLINK_ATTR_REGION_SNAPSHOT_ID]; if (snapshot_id_attr) { snapshot_id = nla_get_u32(snapshot_id_attr); |
b9a17abfd devlink: implemen... |
4575 |
|
043b3e227 devlink: let kern... |
4576 4577 4578 4579 |
if (devlink_region_snapshot_get_by_id(region, snapshot_id)) { NL_SET_ERR_MSG_MOD(info->extack, "The requested snapshot id is already in use"); return -EEXIST; } |
b9a17abfd devlink: implemen... |
4580 |
|
043b3e227 devlink: let kern... |
4581 4582 4583 4584 4585 4586 4587 4588 4589 4590 |
err = __devlink_snapshot_id_insert(devlink, snapshot_id); if (err) return err; } else { err = __devlink_region_snapshot_id_get(devlink, &snapshot_id); if (err) { NL_SET_ERR_MSG_MOD(info->extack, "Failed to allocate a new snapshot id"); return err; } } |
b9a17abfd devlink: implemen... |
4591 |
|
544e7c33e net: devlink: Add... |
4592 4593 4594 4595 4596 4597 |
if (port) err = region->port_ops->snapshot(port, region->port_ops, info->extack, &data); else err = region->ops->snapshot(devlink, region->ops, info->extack, &data); |
b9a17abfd devlink: implemen... |
4598 4599 4600 4601 4602 4603 |
if (err) goto err_snapshot_capture; err = __devlink_region_snapshot_create(region, data, snapshot_id); if (err) goto err_snapshot_create; |
043b3e227 devlink: let kern... |
4604 4605 4606 4607 4608 4609 4610 4611 4612 4613 4614 4615 4616 4617 4618 4619 4620 4621 4622 4623 |
if (!snapshot_id_attr) { struct sk_buff *msg; snapshot = devlink_region_snapshot_get_by_id(region, snapshot_id); if (WARN_ON(!snapshot)) return -EINVAL; msg = devlink_nl_region_notify_build(region, snapshot, DEVLINK_CMD_REGION_NEW, info->snd_portid, info->snd_seq); err = PTR_ERR_OR_ZERO(msg); if (err) goto err_notify; err = genlmsg_reply(msg, info); if (err) goto err_notify; } |
b9a17abfd devlink: implemen... |
4624 4625 4626 4627 4628 4629 4630 |
return 0; err_snapshot_create: region->ops->destructor(data); err_snapshot_capture: __devlink_snapshot_id_decrement(devlink, snapshot_id); return err; |
043b3e227 devlink: let kern... |
4631 4632 4633 4634 |
err_notify: devlink_region_snapshot_del(region, snapshot); return err; |
b9a17abfd devlink: implemen... |
4635 |
} |
4e54795a2 devlink: Add supp... |
4636 4637 4638 4639 4640 4641 4642 |
static int devlink_nl_cmd_region_read_chunk_fill(struct sk_buff *msg, struct devlink *devlink, u8 *chunk, u32 chunk_size, u64 addr) { struct nlattr *chunk_attr; int err; |
ae0be8de9 netlink: make nla... |
4643 |
chunk_attr = nla_nest_start_noflag(msg, DEVLINK_ATTR_REGION_CHUNK); |
4e54795a2 devlink: Add supp... |
4644 4645 4646 4647 4648 4649 4650 4651 4652 4653 4654 4655 4656 4657 4658 4659 4660 4661 4662 4663 4664 4665 4666 4667 4668 4669 4670 4671 |
if (!chunk_attr) return -EINVAL; err = nla_put(msg, DEVLINK_ATTR_REGION_CHUNK_DATA, chunk_size, chunk); if (err) goto nla_put_failure; err = nla_put_u64_64bit(msg, DEVLINK_ATTR_REGION_CHUNK_ADDR, addr, DEVLINK_ATTR_PAD); if (err) goto nla_put_failure; nla_nest_end(msg, chunk_attr); return 0; nla_put_failure: nla_nest_cancel(msg, chunk_attr); return err; } #define DEVLINK_REGION_READ_CHUNK_SIZE 256 static int devlink_nl_region_read_snapshot_fill(struct sk_buff *skb, struct devlink *devlink, struct devlink_region *region, struct nlattr **attrs, u64 start_offset, u64 end_offset, |
4e54795a2 devlink: Add supp... |
4672 4673 4674 4675 4676 4677 4678 4679 4680 4681 4682 4683 4684 |
u64 *new_offset) { struct devlink_snapshot *snapshot; u64 curr_offset = start_offset; u32 snapshot_id; int err = 0; *new_offset = start_offset; snapshot_id = nla_get_u32(attrs[DEVLINK_ATTR_REGION_SNAPSHOT_ID]); snapshot = devlink_region_snapshot_get_by_id(region, snapshot_id); if (!snapshot) return -EINVAL; |
4e54795a2 devlink: Add supp... |
4685 4686 4687 4688 4689 4690 4691 4692 4693 4694 4695 4696 4697 4698 4699 4700 4701 4702 4703 4704 4705 4706 4707 4708 4709 4710 |
while (curr_offset < end_offset) { u32 data_size; u8 *data; if (end_offset - curr_offset < DEVLINK_REGION_READ_CHUNK_SIZE) data_size = end_offset - curr_offset; else data_size = DEVLINK_REGION_READ_CHUNK_SIZE; data = &snapshot->data[curr_offset]; err = devlink_nl_cmd_region_read_chunk_fill(skb, devlink, data, data_size, curr_offset); if (err) break; curr_offset += data_size; } *new_offset = curr_offset; return err; } static int devlink_nl_cmd_region_read_dumpit(struct sk_buff *skb, struct netlink_callback *cb) { |
ee85da535 devlink: have gen... |
4711 |
const struct genl_dumpit_info *info = genl_dumpit_info(cb); |
5a46b062e devlink: refactor... |
4712 |
u64 ret_offset, start_offset, end_offset = U64_MAX; |
ee85da535 devlink: have gen... |
4713 |
struct nlattr **attrs = info->attrs; |
544e7c33e net: devlink: Add... |
4714 |
struct devlink_port *port = NULL; |
4e54795a2 devlink: Add supp... |
4715 4716 4717 4718 |
struct devlink_region *region; struct nlattr *chunks_attr; const char *region_name; struct devlink *devlink; |
544e7c33e net: devlink: Add... |
4719 |
unsigned int index; |
4e54795a2 devlink: Add supp... |
4720 4721 4722 4723 |
void *hdr; int err; start_offset = *((u64 *)&cb->args[0]); |
dac7c08f9 devlink: Fix list... |
4724 |
mutex_lock(&devlink_mutex); |
4e54795a2 devlink: Add supp... |
4725 |
devlink = devlink_get_from_attrs(sock_net(cb->skb->sk), attrs); |
fdd41ec21 devlink: Return r... |
4726 4727 |
if (IS_ERR(devlink)) { err = PTR_ERR(devlink); |
dac7c08f9 devlink: Fix list... |
4728 |
goto out_dev; |
fdd41ec21 devlink: Return r... |
4729 |
} |
4e54795a2 devlink: Add supp... |
4730 |
|
4e54795a2 devlink: Add supp... |
4731 4732 4733 |
mutex_lock(&devlink->lock); if (!attrs[DEVLINK_ATTR_REGION_NAME] || |
fdd41ec21 devlink: Return r... |
4734 4735 |
!attrs[DEVLINK_ATTR_REGION_SNAPSHOT_ID]) { err = -EINVAL; |
4e54795a2 devlink: Add supp... |
4736 |
goto out_unlock; |
fdd41ec21 devlink: Return r... |
4737 |
} |
4e54795a2 devlink: Add supp... |
4738 |
|
544e7c33e net: devlink: Add... |
4739 4740 4741 4742 |
if (info->attrs[DEVLINK_ATTR_PORT_INDEX]) { index = nla_get_u32(info->attrs[DEVLINK_ATTR_PORT_INDEX]); port = devlink_port_get_by_index(devlink, index); |
0d8cb9464 devlink: Unlock o... |
4743 4744 4745 4746 |
if (!port) { err = -ENODEV; goto out_unlock; } |
544e7c33e net: devlink: Add... |
4747 |
} |
4e54795a2 devlink: Add supp... |
4748 |
region_name = nla_data(attrs[DEVLINK_ATTR_REGION_NAME]); |
544e7c33e net: devlink: Add... |
4749 4750 4751 4752 4753 |
if (port) region = devlink_port_region_get_by_name(port, region_name); else region = devlink_region_get_by_name(devlink, region_name); |
fdd41ec21 devlink: Return r... |
4754 4755 |
if (!region) { err = -EINVAL; |
4e54795a2 devlink: Add supp... |
4756 |
goto out_unlock; |
fdd41ec21 devlink: Return r... |
4757 |
} |
4e54795a2 devlink: Add supp... |
4758 |
|
5a46b062e devlink: refactor... |
4759 4760 4761 4762 4763 4764 4765 4766 4767 4768 4769 4770 |
if (attrs[DEVLINK_ATTR_REGION_CHUNK_ADDR] && attrs[DEVLINK_ATTR_REGION_CHUNK_LEN]) { if (!start_offset) start_offset = nla_get_u64(attrs[DEVLINK_ATTR_REGION_CHUNK_ADDR]); end_offset = nla_get_u64(attrs[DEVLINK_ATTR_REGION_CHUNK_ADDR]); end_offset += nla_get_u64(attrs[DEVLINK_ATTR_REGION_CHUNK_LEN]); } if (end_offset > region->size) end_offset = region->size; |
d5b90e99e devlink: report 0... |
4771 |
/* return 0 if there is no further data to read */ |
5a46b062e devlink: refactor... |
4772 |
if (start_offset == end_offset) { |
d5b90e99e devlink: report 0... |
4773 4774 4775 |
err = 0; goto out_unlock; } |
4e54795a2 devlink: Add supp... |
4776 4777 4778 |
hdr = genlmsg_put(skb, NETLINK_CB(cb->skb).portid, cb->nlh->nlmsg_seq, &devlink_nl_family, NLM_F_ACK | NLM_F_MULTI, DEVLINK_CMD_REGION_READ); |
fdd41ec21 devlink: Return r... |
4779 4780 |
if (!hdr) { err = -EMSGSIZE; |
4e54795a2 devlink: Add supp... |
4781 |
goto out_unlock; |
fdd41ec21 devlink: Return r... |
4782 |
} |
4e54795a2 devlink: Add supp... |
4783 4784 4785 4786 |
err = devlink_nl_put_handle(skb, devlink); if (err) goto nla_put_failure; |
6c211809c devlink: Fix some... |
4787 4788 4789 4790 |
if (region->port) { err = nla_put_u32(skb, DEVLINK_ATTR_PORT_INDEX, region->port->index); if (err) |
544e7c33e net: devlink: Add... |
4791 |
goto nla_put_failure; |
6c211809c devlink: Fix some... |
4792 |
} |
544e7c33e net: devlink: Add... |
4793 |
|
4e54795a2 devlink: Add supp... |
4794 4795 4796 |
err = nla_put_string(skb, DEVLINK_ATTR_REGION_NAME, region_name); if (err) goto nla_put_failure; |
ae0be8de9 netlink: make nla... |
4797 |
chunks_attr = nla_nest_start_noflag(skb, DEVLINK_ATTR_REGION_CHUNKS); |
fdd41ec21 devlink: Return r... |
4798 4799 |
if (!chunks_attr) { err = -EMSGSIZE; |
4e54795a2 devlink: Add supp... |
4800 |
goto nla_put_failure; |
fdd41ec21 devlink: Return r... |
4801 |
} |
4e54795a2 devlink: Add supp... |
4802 |
|
4e54795a2 devlink: Add supp... |
4803 4804 4805 |
err = devlink_nl_region_read_snapshot_fill(skb, devlink, region, attrs, start_offset, |
5a46b062e devlink: refactor... |
4806 |
end_offset, &ret_offset); |
4e54795a2 devlink: Add supp... |
4807 4808 4809 4810 4811 |
if (err && err != -EMSGSIZE) goto nla_put_failure; /* Check if there was any progress done to prevent infinite loop */ |
fdd41ec21 devlink: Return r... |
4812 4813 |
if (ret_offset == start_offset) { err = -EINVAL; |
4e54795a2 devlink: Add supp... |
4814 |
goto nla_put_failure; |
fdd41ec21 devlink: Return r... |
4815 |
} |
4e54795a2 devlink: Add supp... |
4816 4817 4818 4819 4820 4821 4822 4823 4824 4825 4826 4827 4828 4829 |
*((u64 *)&cb->args[0]) = ret_offset; nla_nest_end(skb, chunks_attr); genlmsg_end(skb, hdr); mutex_unlock(&devlink->lock); mutex_unlock(&devlink_mutex); return skb->len; nla_put_failure: genlmsg_cancel(skb, hdr); out_unlock: mutex_unlock(&devlink->lock); |
dac7c08f9 devlink: Fix list... |
4830 |
out_dev: |
4e54795a2 devlink: Add supp... |
4831 |
mutex_unlock(&devlink_mutex); |
fdd41ec21 devlink: Return r... |
4832 |
return err; |
4e54795a2 devlink: Add supp... |
4833 |
} |
f9cf22882 devlink: add devi... |
4834 4835 4836 4837 4838 4839 4840 4841 4842 4843 4844 4845 4846 4847 4848 |
struct devlink_info_req { struct sk_buff *msg; }; int devlink_info_driver_name_put(struct devlink_info_req *req, const char *name) { return nla_put_string(req->msg, DEVLINK_ATTR_INFO_DRIVER_NAME, name); } EXPORT_SYMBOL_GPL(devlink_info_driver_name_put); int devlink_info_serial_number_put(struct devlink_info_req *req, const char *sn) { return nla_put_string(req->msg, DEVLINK_ATTR_INFO_SERIAL_NUMBER, sn); } EXPORT_SYMBOL_GPL(devlink_info_serial_number_put); |
b5872cd0e devlink: Add supp... |
4849 4850 4851 4852 4853 4854 4855 |
int devlink_info_board_serial_number_put(struct devlink_info_req *req, const char *bsn) { return nla_put_string(req->msg, DEVLINK_ATTR_INFO_BOARD_SERIAL_NUMBER, bsn); } EXPORT_SYMBOL_GPL(devlink_info_board_serial_number_put); |
fc6fae7dd devlink: add vers... |
4856 4857 4858 4859 4860 4861 |
static int devlink_info_version_put(struct devlink_info_req *req, int attr, const char *version_name, const char *version_value) { struct nlattr *nest; int err; |
ae0be8de9 netlink: make nla... |
4862 |
nest = nla_nest_start_noflag(req->msg, attr); |
fc6fae7dd devlink: add vers... |
4863 4864 4865 4866 4867 4868 4869 4870 4871 4872 4873 4874 4875 4876 4877 4878 4879 4880 4881 4882 4883 4884 4885 4886 4887 4888 4889 4890 4891 4892 4893 4894 4895 4896 4897 4898 4899 4900 4901 4902 4903 4904 4905 4906 4907 4908 4909 4910 |
if (!nest) return -EMSGSIZE; err = nla_put_string(req->msg, DEVLINK_ATTR_INFO_VERSION_NAME, version_name); if (err) goto nla_put_failure; err = nla_put_string(req->msg, DEVLINK_ATTR_INFO_VERSION_VALUE, version_value); if (err) goto nla_put_failure; nla_nest_end(req->msg, nest); return 0; nla_put_failure: nla_nest_cancel(req->msg, nest); return err; } int devlink_info_version_fixed_put(struct devlink_info_req *req, const char *version_name, const char *version_value) { return devlink_info_version_put(req, DEVLINK_ATTR_INFO_VERSION_FIXED, version_name, version_value); } EXPORT_SYMBOL_GPL(devlink_info_version_fixed_put); int devlink_info_version_stored_put(struct devlink_info_req *req, const char *version_name, const char *version_value) { return devlink_info_version_put(req, DEVLINK_ATTR_INFO_VERSION_STORED, version_name, version_value); } EXPORT_SYMBOL_GPL(devlink_info_version_stored_put); int devlink_info_version_running_put(struct devlink_info_req *req, const char *version_name, const char *version_value) { return devlink_info_version_put(req, DEVLINK_ATTR_INFO_VERSION_RUNNING, version_name, version_value); } EXPORT_SYMBOL_GPL(devlink_info_version_running_put); |
f9cf22882 devlink: add devi... |
4911 4912 4913 4914 4915 4916 4917 4918 4919 4920 4921 4922 4923 4924 4925 4926 4927 4928 4929 4930 4931 4932 4933 4934 4935 4936 4937 4938 4939 4940 4941 4942 4943 4944 4945 4946 |
static int devlink_nl_info_fill(struct sk_buff *msg, struct devlink *devlink, enum devlink_command cmd, u32 portid, u32 seq, int flags, struct netlink_ext_ack *extack) { struct devlink_info_req req; void *hdr; int err; hdr = genlmsg_put(msg, portid, seq, &devlink_nl_family, flags, cmd); if (!hdr) return -EMSGSIZE; err = -EMSGSIZE; if (devlink_nl_put_handle(msg, devlink)) goto err_cancel_msg; req.msg = msg; err = devlink->ops->info_get(devlink, &req, extack); if (err) goto err_cancel_msg; genlmsg_end(msg, hdr); return 0; err_cancel_msg: genlmsg_cancel(msg, hdr); return err; } static int devlink_nl_cmd_info_get_doit(struct sk_buff *skb, struct genl_info *info) { struct devlink *devlink = info->user_ptr[0]; struct sk_buff *msg; int err; |
be6fe1d8e devlink: require ... |
4947 |
if (!devlink->ops->info_get) |
f9cf22882 devlink: add devi... |
4948 4949 4950 4951 4952 4953 4954 4955 4956 4957 4958 4959 4960 4961 4962 4963 4964 4965 4966 4967 4968 4969 4970 |
return -EOPNOTSUPP; msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); if (!msg) return -ENOMEM; err = devlink_nl_info_fill(msg, devlink, DEVLINK_CMD_INFO_GET, info->snd_portid, info->snd_seq, 0, info->extack); if (err) { nlmsg_free(msg); return err; } return genlmsg_reply(msg, info); } static int devlink_nl_cmd_info_get_dumpit(struct sk_buff *msg, struct netlink_callback *cb) { struct devlink *devlink; int start = cb->args[0]; int idx = 0; |
c62c2cfb8 net: devlink: don... |
4971 |
int err = 0; |
f9cf22882 devlink: add devi... |
4972 4973 4974 4975 4976 4977 4978 4979 4980 |
mutex_lock(&devlink_mutex); list_for_each_entry(devlink, &devlink_list, list) { if (!net_eq(devlink_net(devlink), sock_net(msg->sk))) continue; if (idx < start) { idx++; continue; } |
c493b09b2 net: devlink: ski... |
4981 4982 4983 4984 |
if (!devlink->ops->info_get) { idx++; continue; } |
f9cf22882 devlink: add devi... |
4985 4986 4987 4988 4989 4990 |
mutex_lock(&devlink->lock); err = devlink_nl_info_fill(msg, devlink, DEVLINK_CMD_INFO_GET, NETLINK_CB(cb->skb).portid, cb->nlh->nlmsg_seq, NLM_F_MULTI, cb->extack); mutex_unlock(&devlink->lock); |
82274d075 devlink: ignore -... |
4991 4992 4993 |
if (err == -EOPNOTSUPP) err = 0; else if (err) |
f9cf22882 devlink: add devi... |
4994 4995 4996 4997 |
break; idx++; } mutex_unlock(&devlink_mutex); |
c62c2cfb8 net: devlink: don... |
4998 4999 |
if (err != -EMSGSIZE) return err; |
f9cf22882 devlink: add devi... |
5000 5001 5002 |
cb->args[0] = idx; return msg->len; } |
1db64e873 devlink: Add devl... |
5003 5004 5005 5006 5007 |
struct devlink_fmsg_item { struct list_head list; int attrtype; u8 nla_type; u16 len; |
d2afb41ae net: core: Replac... |
5008 |
int value[]; |
1db64e873 devlink: Add devl... |
5009 5010 5011 5012 |
}; struct devlink_fmsg { struct list_head item_list; |
573ed90aa devlink: Force en... |
5013 5014 5015 5016 5017 5018 |
bool putting_binary; /* This flag forces enclosing of binary data * in an array brackets. It forces using * of designated API: * devlink_fmsg_binary_pair_nest_start() * devlink_fmsg_binary_pair_nest_end() */ |
1db64e873 devlink: Add devl... |
5019 5020 5021 5022 5023 5024 5025 5026 5027 5028 5029 5030 5031 5032 5033 5034 5035 5036 5037 5038 5039 5040 5041 5042 5043 5044 5045 5046 5047 5048 5049 5050 5051 5052 5053 5054 5055 5056 5057 5058 5059 5060 5061 |
}; static struct devlink_fmsg *devlink_fmsg_alloc(void) { struct devlink_fmsg *fmsg; fmsg = kzalloc(sizeof(*fmsg), GFP_KERNEL); if (!fmsg) return NULL; INIT_LIST_HEAD(&fmsg->item_list); return fmsg; } static void devlink_fmsg_free(struct devlink_fmsg *fmsg) { struct devlink_fmsg_item *item, *tmp; list_for_each_entry_safe(item, tmp, &fmsg->item_list, list) { list_del(&item->list); kfree(item); } kfree(fmsg); } static int devlink_fmsg_nest_common(struct devlink_fmsg *fmsg, int attrtype) { struct devlink_fmsg_item *item; item = kzalloc(sizeof(*item), GFP_KERNEL); if (!item) return -ENOMEM; item->attrtype = attrtype; list_add_tail(&item->list, &fmsg->item_list); return 0; } int devlink_fmsg_obj_nest_start(struct devlink_fmsg *fmsg) { |
573ed90aa devlink: Force en... |
5062 5063 |
if (fmsg->putting_binary) return -EINVAL; |
1db64e873 devlink: Add devl... |
5064 5065 5066 5067 5068 5069 |
return devlink_fmsg_nest_common(fmsg, DEVLINK_ATTR_FMSG_OBJ_NEST_START); } EXPORT_SYMBOL_GPL(devlink_fmsg_obj_nest_start); static int devlink_fmsg_nest_end(struct devlink_fmsg *fmsg) { |
573ed90aa devlink: Force en... |
5070 5071 |
if (fmsg->putting_binary) return -EINVAL; |
1db64e873 devlink: Add devl... |
5072 5073 5074 5075 5076 |
return devlink_fmsg_nest_common(fmsg, DEVLINK_ATTR_FMSG_NEST_END); } int devlink_fmsg_obj_nest_end(struct devlink_fmsg *fmsg) { |
573ed90aa devlink: Force en... |
5077 5078 |
if (fmsg->putting_binary) return -EINVAL; |
1db64e873 devlink: Add devl... |
5079 5080 5081 5082 5083 5084 5085 5086 5087 |
return devlink_fmsg_nest_end(fmsg); } EXPORT_SYMBOL_GPL(devlink_fmsg_obj_nest_end); #define DEVLINK_FMSG_MAX_SIZE (GENLMSG_DEFAULT_SIZE - GENL_HDRLEN - NLA_HDRLEN) static int devlink_fmsg_put_name(struct devlink_fmsg *fmsg, const char *name) { struct devlink_fmsg_item *item; |
573ed90aa devlink: Force en... |
5088 5089 |
if (fmsg->putting_binary) return -EINVAL; |
1db64e873 devlink: Add devl... |
5090 5091 5092 5093 5094 5095 5096 5097 5098 5099 5100 5101 5102 5103 5104 5105 5106 5107 5108 |
if (strlen(name) + 1 > DEVLINK_FMSG_MAX_SIZE) return -EMSGSIZE; item = kzalloc(sizeof(*item) + strlen(name) + 1, GFP_KERNEL); if (!item) return -ENOMEM; item->nla_type = NLA_NUL_STRING; item->len = strlen(name) + 1; item->attrtype = DEVLINK_ATTR_FMSG_OBJ_NAME; memcpy(&item->value, name, item->len); list_add_tail(&item->list, &fmsg->item_list); return 0; } int devlink_fmsg_pair_nest_start(struct devlink_fmsg *fmsg, const char *name) { int err; |
573ed90aa devlink: Force en... |
5109 5110 |
if (fmsg->putting_binary) return -EINVAL; |
1db64e873 devlink: Add devl... |
5111 5112 5113 5114 5115 5116 5117 5118 5119 5120 5121 5122 5123 5124 |
err = devlink_fmsg_nest_common(fmsg, DEVLINK_ATTR_FMSG_PAIR_NEST_START); if (err) return err; err = devlink_fmsg_put_name(fmsg, name); if (err) return err; return 0; } EXPORT_SYMBOL_GPL(devlink_fmsg_pair_nest_start); int devlink_fmsg_pair_nest_end(struct devlink_fmsg *fmsg) { |
573ed90aa devlink: Force en... |
5125 5126 |
if (fmsg->putting_binary) return -EINVAL; |
1db64e873 devlink: Add devl... |
5127 5128 5129 5130 5131 5132 5133 5134 |
return devlink_fmsg_nest_end(fmsg); } EXPORT_SYMBOL_GPL(devlink_fmsg_pair_nest_end); int devlink_fmsg_arr_pair_nest_start(struct devlink_fmsg *fmsg, const char *name) { int err; |
573ed90aa devlink: Force en... |
5135 5136 |
if (fmsg->putting_binary) return -EINVAL; |
1db64e873 devlink: Add devl... |
5137 5138 5139 5140 5141 5142 5143 5144 5145 5146 5147 5148 5149 5150 5151 |
err = devlink_fmsg_pair_nest_start(fmsg, name); if (err) return err; err = devlink_fmsg_nest_common(fmsg, DEVLINK_ATTR_FMSG_ARR_NEST_START); if (err) return err; return 0; } EXPORT_SYMBOL_GPL(devlink_fmsg_arr_pair_nest_start); int devlink_fmsg_arr_pair_nest_end(struct devlink_fmsg *fmsg) { int err; |
573ed90aa devlink: Force en... |
5152 5153 |
if (fmsg->putting_binary) return -EINVAL; |
1db64e873 devlink: Add devl... |
5154 5155 5156 5157 5158 5159 5160 5161 5162 5163 5164 |
err = devlink_fmsg_nest_end(fmsg); if (err) return err; err = devlink_fmsg_nest_end(fmsg); if (err) return err; return 0; } EXPORT_SYMBOL_GPL(devlink_fmsg_arr_pair_nest_end); |
573ed90aa devlink: Force en... |
5165 5166 5167 5168 5169 5170 5171 5172 5173 5174 5175 5176 5177 5178 5179 5180 5181 5182 5183 5184 5185 5186 5187 |
int devlink_fmsg_binary_pair_nest_start(struct devlink_fmsg *fmsg, const char *name) { int err; err = devlink_fmsg_arr_pair_nest_start(fmsg, name); if (err) return err; fmsg->putting_binary = true; return err; } EXPORT_SYMBOL_GPL(devlink_fmsg_binary_pair_nest_start); int devlink_fmsg_binary_pair_nest_end(struct devlink_fmsg *fmsg) { if (!fmsg->putting_binary) return -EINVAL; fmsg->putting_binary = false; return devlink_fmsg_arr_pair_nest_end(fmsg); } EXPORT_SYMBOL_GPL(devlink_fmsg_binary_pair_nest_end); |
1db64e873 devlink: Add devl... |
5188 5189 5190 5191 5192 5193 5194 5195 5196 5197 5198 5199 5200 5201 5202 5203 5204 5205 5206 5207 5208 5209 5210 5211 |
static int devlink_fmsg_put_value(struct devlink_fmsg *fmsg, const void *value, u16 value_len, u8 value_nla_type) { struct devlink_fmsg_item *item; if (value_len > DEVLINK_FMSG_MAX_SIZE) return -EMSGSIZE; item = kzalloc(sizeof(*item) + value_len, GFP_KERNEL); if (!item) return -ENOMEM; item->nla_type = value_nla_type; item->len = value_len; item->attrtype = DEVLINK_ATTR_FMSG_OBJ_VALUE_DATA; memcpy(&item->value, value, item->len); list_add_tail(&item->list, &fmsg->item_list); return 0; } int devlink_fmsg_bool_put(struct devlink_fmsg *fmsg, bool value) { |
573ed90aa devlink: Force en... |
5212 5213 |
if (fmsg->putting_binary) return -EINVAL; |
1db64e873 devlink: Add devl... |
5214 5215 5216 5217 5218 5219 |
return devlink_fmsg_put_value(fmsg, &value, sizeof(value), NLA_FLAG); } EXPORT_SYMBOL_GPL(devlink_fmsg_bool_put); int devlink_fmsg_u8_put(struct devlink_fmsg *fmsg, u8 value) { |
573ed90aa devlink: Force en... |
5220 5221 |
if (fmsg->putting_binary) return -EINVAL; |
1db64e873 devlink: Add devl... |
5222 5223 5224 5225 5226 5227 |
return devlink_fmsg_put_value(fmsg, &value, sizeof(value), NLA_U8); } EXPORT_SYMBOL_GPL(devlink_fmsg_u8_put); int devlink_fmsg_u32_put(struct devlink_fmsg *fmsg, u32 value) { |
573ed90aa devlink: Force en... |
5228 5229 |
if (fmsg->putting_binary) return -EINVAL; |
1db64e873 devlink: Add devl... |
5230 5231 5232 5233 5234 5235 |
return devlink_fmsg_put_value(fmsg, &value, sizeof(value), NLA_U32); } EXPORT_SYMBOL_GPL(devlink_fmsg_u32_put); int devlink_fmsg_u64_put(struct devlink_fmsg *fmsg, u64 value) { |
573ed90aa devlink: Force en... |
5236 5237 |
if (fmsg->putting_binary) return -EINVAL; |
1db64e873 devlink: Add devl... |
5238 5239 5240 5241 5242 5243 |
return devlink_fmsg_put_value(fmsg, &value, sizeof(value), NLA_U64); } EXPORT_SYMBOL_GPL(devlink_fmsg_u64_put); int devlink_fmsg_string_put(struct devlink_fmsg *fmsg, const char *value) { |
573ed90aa devlink: Force en... |
5244 5245 |
if (fmsg->putting_binary) return -EINVAL; |
1db64e873 devlink: Add devl... |
5246 5247 5248 5249 |
return devlink_fmsg_put_value(fmsg, value, strlen(value) + 1, NLA_NUL_STRING); } EXPORT_SYMBOL_GPL(devlink_fmsg_string_put); |
573ed90aa devlink: Force en... |
5250 5251 |
int devlink_fmsg_binary_put(struct devlink_fmsg *fmsg, const void *value, u16 value_len) |
1db64e873 devlink: Add devl... |
5252 |
{ |
573ed90aa devlink: Force en... |
5253 5254 |
if (!fmsg->putting_binary) return -EINVAL; |
1db64e873 devlink: Add devl... |
5255 5256 |
return devlink_fmsg_put_value(fmsg, value, value_len, NLA_BINARY); } |
573ed90aa devlink: Force en... |
5257 |
EXPORT_SYMBOL_GPL(devlink_fmsg_binary_put); |
1db64e873 devlink: Add devl... |
5258 5259 5260 5261 5262 5263 5264 5265 5266 5267 5268 5269 5270 5271 5272 5273 5274 5275 5276 5277 5278 5279 5280 5281 5282 5283 5284 5285 5286 5287 5288 5289 5290 5291 5292 5293 5294 5295 5296 5297 5298 5299 5300 5301 5302 5303 5304 5305 5306 5307 5308 5309 5310 5311 5312 5313 5314 5315 5316 5317 5318 5319 5320 5321 5322 5323 5324 5325 5326 5327 5328 5329 5330 5331 5332 5333 5334 5335 5336 5337 5338 5339 5340 5341 5342 5343 5344 5345 5346 5347 5348 5349 5350 5351 5352 5353 5354 5355 5356 5357 5358 5359 5360 5361 5362 5363 5364 |
int devlink_fmsg_bool_pair_put(struct devlink_fmsg *fmsg, const char *name, bool value) { int err; err = devlink_fmsg_pair_nest_start(fmsg, name); if (err) return err; err = devlink_fmsg_bool_put(fmsg, value); if (err) return err; err = devlink_fmsg_pair_nest_end(fmsg); if (err) return err; return 0; } EXPORT_SYMBOL_GPL(devlink_fmsg_bool_pair_put); int devlink_fmsg_u8_pair_put(struct devlink_fmsg *fmsg, const char *name, u8 value) { int err; err = devlink_fmsg_pair_nest_start(fmsg, name); if (err) return err; err = devlink_fmsg_u8_put(fmsg, value); if (err) return err; err = devlink_fmsg_pair_nest_end(fmsg); if (err) return err; return 0; } EXPORT_SYMBOL_GPL(devlink_fmsg_u8_pair_put); int devlink_fmsg_u32_pair_put(struct devlink_fmsg *fmsg, const char *name, u32 value) { int err; err = devlink_fmsg_pair_nest_start(fmsg, name); if (err) return err; err = devlink_fmsg_u32_put(fmsg, value); if (err) return err; err = devlink_fmsg_pair_nest_end(fmsg); if (err) return err; return 0; } EXPORT_SYMBOL_GPL(devlink_fmsg_u32_pair_put); int devlink_fmsg_u64_pair_put(struct devlink_fmsg *fmsg, const char *name, u64 value) { int err; err = devlink_fmsg_pair_nest_start(fmsg, name); if (err) return err; err = devlink_fmsg_u64_put(fmsg, value); if (err) return err; err = devlink_fmsg_pair_nest_end(fmsg); if (err) return err; return 0; } EXPORT_SYMBOL_GPL(devlink_fmsg_u64_pair_put); int devlink_fmsg_string_pair_put(struct devlink_fmsg *fmsg, const char *name, const char *value) { int err; err = devlink_fmsg_pair_nest_start(fmsg, name); if (err) return err; err = devlink_fmsg_string_put(fmsg, value); if (err) return err; err = devlink_fmsg_pair_nest_end(fmsg); if (err) return err; return 0; } EXPORT_SYMBOL_GPL(devlink_fmsg_string_pair_put); int devlink_fmsg_binary_pair_put(struct devlink_fmsg *fmsg, const char *name, |
e2cde864a devlink: Allow la... |
5365 |
const void *value, u32 value_len) |
1db64e873 devlink: Add devl... |
5366 |
{ |
e2cde864a devlink: Allow la... |
5367 |
u32 data_size; |
573ed90aa devlink: Force en... |
5368 |
int end_err; |
e2cde864a devlink: Allow la... |
5369 |
u32 offset; |
1db64e873 devlink: Add devl... |
5370 |
int err; |
573ed90aa devlink: Force en... |
5371 |
err = devlink_fmsg_binary_pair_nest_start(fmsg, name); |
1db64e873 devlink: Add devl... |
5372 5373 |
if (err) return err; |
e2cde864a devlink: Allow la... |
5374 5375 5376 5377 5378 5379 |
for (offset = 0; offset < value_len; offset += data_size) { data_size = value_len - offset; if (data_size > DEVLINK_FMSG_MAX_SIZE) data_size = DEVLINK_FMSG_MAX_SIZE; err = devlink_fmsg_binary_put(fmsg, value + offset, data_size); if (err) |
573ed90aa devlink: Force en... |
5380 5381 5382 5383 5384 |
break; /* Exit from loop with a break (instead of * return) to make sure putting_binary is turned off in * devlink_fmsg_binary_pair_nest_end */ |
e2cde864a devlink: Allow la... |
5385 |
} |
1db64e873 devlink: Add devl... |
5386 |
|
573ed90aa devlink: Force en... |
5387 5388 5389 |
end_err = devlink_fmsg_binary_pair_nest_end(fmsg); if (end_err) err = end_err; |
1db64e873 devlink: Add devl... |
5390 |
|
573ed90aa devlink: Force en... |
5391 |
return err; |
1db64e873 devlink: Add devl... |
5392 5393 5394 5395 5396 5397 5398 5399 5400 5401 5402 5403 5404 5405 5406 5407 5408 5409 5410 5411 5412 5413 5414 5415 5416 5417 5418 5419 5420 5421 5422 5423 5424 5425 5426 5427 5428 5429 5430 5431 5432 5433 5434 5435 5436 5437 5438 5439 5440 5441 5442 5443 5444 5445 5446 5447 |
} EXPORT_SYMBOL_GPL(devlink_fmsg_binary_pair_put); static int devlink_fmsg_item_fill_type(struct devlink_fmsg_item *msg, struct sk_buff *skb) { switch (msg->nla_type) { case NLA_FLAG: case NLA_U8: case NLA_U32: case NLA_U64: case NLA_NUL_STRING: case NLA_BINARY: return nla_put_u8(skb, DEVLINK_ATTR_FMSG_OBJ_VALUE_TYPE, msg->nla_type); default: return -EINVAL; } } static int devlink_fmsg_item_fill_data(struct devlink_fmsg_item *msg, struct sk_buff *skb) { int attrtype = DEVLINK_ATTR_FMSG_OBJ_VALUE_DATA; u8 tmp; switch (msg->nla_type) { case NLA_FLAG: /* Always provide flag data, regardless of its value */ tmp = *(bool *) msg->value; return nla_put_u8(skb, attrtype, tmp); case NLA_U8: return nla_put_u8(skb, attrtype, *(u8 *) msg->value); case NLA_U32: return nla_put_u32(skb, attrtype, *(u32 *) msg->value); case NLA_U64: return nla_put_u64_64bit(skb, attrtype, *(u64 *) msg->value, DEVLINK_ATTR_PAD); case NLA_NUL_STRING: return nla_put_string(skb, attrtype, (char *) &msg->value); case NLA_BINARY: return nla_put(skb, attrtype, msg->len, (void *) &msg->value); default: return -EINVAL; } } static int devlink_fmsg_prepare_skb(struct devlink_fmsg *fmsg, struct sk_buff *skb, int *start) { struct devlink_fmsg_item *item; struct nlattr *fmsg_nlattr; int i = 0; int err; |
ae0be8de9 netlink: make nla... |
5448 |
fmsg_nlattr = nla_nest_start_noflag(skb, DEVLINK_ATTR_FMSG); |
1db64e873 devlink: Add devl... |
5449 5450 5451 5452 5453 5454 5455 5456 5457 5458 5459 5460 5461 5462 5463 5464 5465 5466 5467 5468 5469 5470 5471 5472 5473 5474 5475 5476 5477 5478 5479 5480 5481 5482 5483 5484 5485 5486 5487 5488 5489 5490 5491 5492 5493 5494 5495 5496 5497 5498 5499 5500 5501 5502 5503 5504 5505 5506 5507 5508 5509 5510 5511 5512 5513 5514 5515 5516 5517 5518 5519 5520 5521 5522 5523 5524 5525 5526 5527 5528 5529 5530 5531 5532 5533 5534 |
if (!fmsg_nlattr) return -EMSGSIZE; list_for_each_entry(item, &fmsg->item_list, list) { if (i < *start) { i++; continue; } switch (item->attrtype) { case DEVLINK_ATTR_FMSG_OBJ_NEST_START: case DEVLINK_ATTR_FMSG_PAIR_NEST_START: case DEVLINK_ATTR_FMSG_ARR_NEST_START: case DEVLINK_ATTR_FMSG_NEST_END: err = nla_put_flag(skb, item->attrtype); break; case DEVLINK_ATTR_FMSG_OBJ_VALUE_DATA: err = devlink_fmsg_item_fill_type(item, skb); if (err) break; err = devlink_fmsg_item_fill_data(item, skb); break; case DEVLINK_ATTR_FMSG_OBJ_NAME: err = nla_put_string(skb, item->attrtype, (char *) &item->value); break; default: err = -EINVAL; break; } if (!err) *start = ++i; else break; } nla_nest_end(skb, fmsg_nlattr); return err; } static int devlink_fmsg_snd(struct devlink_fmsg *fmsg, struct genl_info *info, enum devlink_command cmd, int flags) { struct nlmsghdr *nlh; struct sk_buff *skb; bool last = false; int index = 0; void *hdr; int err; while (!last) { int tmp_index = index; skb = genlmsg_new(GENLMSG_DEFAULT_SIZE, GFP_KERNEL); if (!skb) return -ENOMEM; hdr = genlmsg_put(skb, info->snd_portid, info->snd_seq, &devlink_nl_family, flags | NLM_F_MULTI, cmd); if (!hdr) { err = -EMSGSIZE; goto nla_put_failure; } err = devlink_fmsg_prepare_skb(fmsg, skb, &index); if (!err) last = true; else if (err != -EMSGSIZE || tmp_index == index) goto nla_put_failure; genlmsg_end(skb, hdr); err = genlmsg_reply(skb, info); if (err) return err; } skb = genlmsg_new(GENLMSG_DEFAULT_SIZE, GFP_KERNEL); if (!skb) return -ENOMEM; nlh = nlmsg_put(skb, info->snd_portid, info->snd_seq, NLMSG_DONE, 0, flags | NLM_F_MULTI); if (!nlh) { err = -EMSGSIZE; goto nla_put_failure; } |
1db64e873 devlink: Add devl... |
5535 |
|
fde55ea74 devlink: use dire... |
5536 |
return genlmsg_reply(skb, info); |
1db64e873 devlink: Add devl... |
5537 5538 5539 5540 5541 |
nla_put_failure: nlmsg_free(skb); return err; } |
e44ef4e45 devlink: Hang rep... |
5542 5543 5544 5545 5546 5547 5548 5549 5550 5551 5552 5553 5554 5555 5556 5557 5558 5559 5560 5561 5562 5563 5564 5565 5566 5567 5568 5569 |
static int devlink_fmsg_dumpit(struct devlink_fmsg *fmsg, struct sk_buff *skb, struct netlink_callback *cb, enum devlink_command cmd) { int index = cb->args[0]; int tmp_index = index; void *hdr; int err; hdr = genlmsg_put(skb, NETLINK_CB(cb->skb).portid, cb->nlh->nlmsg_seq, &devlink_nl_family, NLM_F_ACK | NLM_F_MULTI, cmd); if (!hdr) { err = -EMSGSIZE; goto nla_put_failure; } err = devlink_fmsg_prepare_skb(fmsg, skb, &index); if ((err && err != -EMSGSIZE) || tmp_index == index) goto nla_put_failure; cb->args[0] = index; genlmsg_end(skb, hdr); return skb->len; nla_put_failure: genlmsg_cancel(skb, hdr); return err; } |
a0bdcc59d devlink: Add heal... |
5570 5571 5572 5573 5574 |
struct devlink_health_reporter { struct list_head list; void *priv; const struct devlink_health_reporter_ops *ops; struct devlink *devlink; |
f4f541660 devlink: Implemen... |
5575 |
struct devlink_port *devlink_port; |
c8e1da0bf devlink: Add heal... |
5576 5577 |
struct devlink_fmsg *dump_fmsg; struct mutex dump_lock; /* lock parallel read/write from dump buffers */ |
a0bdcc59d devlink: Add heal... |
5578 5579 |
u64 graceful_period; bool auto_recover; |
48bb52c80 devlink: Add auto... |
5580 |
bool auto_dump; |
a0bdcc59d devlink: Add heal... |
5581 |
u8 health_state; |
c8e1da0bf devlink: Add heal... |
5582 |
u64 dump_ts; |
d279505b7 devlink: Add meth... |
5583 |
u64 dump_real_ts; |
c8e1da0bf devlink: Add heal... |
5584 5585 5586 |
u64 error_count; u64 recovery_count; u64 last_recovery_ts; |
b587bdaf5 devlink: Change d... |
5587 |
refcount_t refcount; |
c8e1da0bf devlink: Add heal... |
5588 |
}; |
a0bdcc59d devlink: Add heal... |
5589 5590 5591 5592 5593 5594 5595 5596 |
void * devlink_health_reporter_priv(struct devlink_health_reporter *reporter) { return reporter->priv; } EXPORT_SYMBOL_GPL(devlink_health_reporter_priv); static struct devlink_health_reporter * |
bd8210055 devlink: Create g... |
5597 5598 5599 |
__devlink_health_reporter_find_by_name(struct list_head *reporter_list, struct mutex *list_lock, const char *reporter_name) |
a0bdcc59d devlink: Add heal... |
5600 5601 |
{ struct devlink_health_reporter *reporter; |
bd8210055 devlink: Create g... |
5602 5603 |
lockdep_assert_held(list_lock); list_for_each_entry(reporter, reporter_list, list) |
a0bdcc59d devlink: Add heal... |
5604 5605 5606 5607 |
if (!strcmp(reporter->ops->name, reporter_name)) return reporter; return NULL; } |
c57544b3d devlink: Refactor... |
5608 |
static struct devlink_health_reporter * |
bd8210055 devlink: Create g... |
5609 5610 5611 5612 5613 5614 5615 5616 5617 |
devlink_health_reporter_find_by_name(struct devlink *devlink, const char *reporter_name) { return __devlink_health_reporter_find_by_name(&devlink->reporter_list, &devlink->reporters_lock, reporter_name); } static struct devlink_health_reporter * |
f4f541660 devlink: Implemen... |
5618 5619 5620 5621 5622 5623 5624 5625 5626 |
devlink_port_health_reporter_find_by_name(struct devlink_port *devlink_port, const char *reporter_name) { return __devlink_health_reporter_find_by_name(&devlink_port->reporter_list, &devlink_port->reporters_lock, reporter_name); } static struct devlink_health_reporter * |
c57544b3d devlink: Refactor... |
5627 5628 5629 5630 5631 5632 5633 5634 5635 5636 5637 5638 5639 5640 5641 5642 5643 5644 5645 5646 5647 5648 5649 |
__devlink_health_reporter_create(struct devlink *devlink, const struct devlink_health_reporter_ops *ops, u64 graceful_period, void *priv) { struct devlink_health_reporter *reporter; if (WARN_ON(graceful_period && !ops->recover)) return ERR_PTR(-EINVAL); reporter = kzalloc(sizeof(*reporter), GFP_KERNEL); if (!reporter) return ERR_PTR(-ENOMEM); reporter->priv = priv; reporter->ops = ops; reporter->devlink = devlink; reporter->graceful_period = graceful_period; reporter->auto_recover = !!ops->recover; reporter->auto_dump = !!ops->dump; mutex_init(&reporter->dump_lock); refcount_set(&reporter->refcount, 1); return reporter; } |
a0bdcc59d devlink: Add heal... |
5650 |
/** |
15c724b99 devlink: Add devl... |
5651 5652 5653 5654 5655 5656 5657 5658 5659 5660 5661 5662 5663 5664 5665 5666 5667 5668 5669 5670 5671 5672 5673 5674 5675 5676 5677 5678 5679 5680 5681 5682 5683 5684 5685 5686 |
* devlink_port_health_reporter_create - create devlink health reporter for * specified port instance * * @port: devlink_port which should contain the new reporter * @ops: ops * @graceful_period: to avoid recovery loops, in msecs * @priv: priv */ struct devlink_health_reporter * devlink_port_health_reporter_create(struct devlink_port *port, const struct devlink_health_reporter_ops *ops, u64 graceful_period, void *priv) { struct devlink_health_reporter *reporter; mutex_lock(&port->reporters_lock); if (__devlink_health_reporter_find_by_name(&port->reporter_list, &port->reporters_lock, ops->name)) { reporter = ERR_PTR(-EEXIST); goto unlock; } reporter = __devlink_health_reporter_create(port->devlink, ops, graceful_period, priv); if (IS_ERR(reporter)) goto unlock; reporter->devlink_port = port; list_add_tail(&reporter->list, &port->reporter_list); unlock: mutex_unlock(&port->reporters_lock); return reporter; } EXPORT_SYMBOL_GPL(devlink_port_health_reporter_create); /** |
a0bdcc59d devlink: Add heal... |
5687 5688 5689 5690 5691 |
* devlink_health_reporter_create - create devlink health reporter * * @devlink: devlink * @ops: ops * @graceful_period: to avoid recovery loops, in msecs |
a0bdcc59d devlink: Add heal... |
5692 5693 5694 5695 5696 |
* @priv: priv */ struct devlink_health_reporter * devlink_health_reporter_create(struct devlink *devlink, const struct devlink_health_reporter_ops *ops, |
ba7d16c77 devlink: Implicit... |
5697 |
u64 graceful_period, void *priv) |
a0bdcc59d devlink: Add heal... |
5698 5699 |
{ struct devlink_health_reporter *reporter; |
b587bdaf5 devlink: Change d... |
5700 |
mutex_lock(&devlink->reporters_lock); |
a0bdcc59d devlink: Add heal... |
5701 5702 5703 5704 |
if (devlink_health_reporter_find_by_name(devlink, ops->name)) { reporter = ERR_PTR(-EEXIST); goto unlock; } |
c57544b3d devlink: Refactor... |
5705 5706 5707 |
reporter = __devlink_health_reporter_create(devlink, ops, graceful_period, priv); if (IS_ERR(reporter)) |
a0bdcc59d devlink: Add heal... |
5708 |
goto unlock; |
a0bdcc59d devlink: Add heal... |
5709 |
|
a0bdcc59d devlink: Add heal... |
5710 5711 |
list_add_tail(&reporter->list, &devlink->reporter_list); unlock: |
b587bdaf5 devlink: Change d... |
5712 |
mutex_unlock(&devlink->reporters_lock); |
a0bdcc59d devlink: Add heal... |
5713 5714 5715 |
return reporter; } EXPORT_SYMBOL_GPL(devlink_health_reporter_create); |
3c5584bf0 devlink: Rework d... |
5716 5717 5718 5719 5720 5721 5722 5723 5724 5725 5726 5727 5728 5729 5730 5731 5732 5733 5734 5735 5736 5737 |
static void devlink_health_reporter_free(struct devlink_health_reporter *reporter) { mutex_destroy(&reporter->dump_lock); if (reporter->dump_fmsg) devlink_fmsg_free(reporter->dump_fmsg); kfree(reporter); } static void devlink_health_reporter_put(struct devlink_health_reporter *reporter) { if (refcount_dec_and_test(&reporter->refcount)) devlink_health_reporter_free(reporter); } static void __devlink_health_reporter_destroy(struct devlink_health_reporter *reporter) { list_del(&reporter->list); devlink_health_reporter_put(reporter); } |
a0bdcc59d devlink: Add heal... |
5738 5739 5740 5741 5742 5743 5744 5745 |
/** * devlink_health_reporter_destroy - destroy devlink health reporter * * @reporter: devlink health reporter to destroy */ void devlink_health_reporter_destroy(struct devlink_health_reporter *reporter) { |
5d037b4d3 devlink: Fix use-... |
5746 5747 5748 |
struct mutex *lock = &reporter->devlink->reporters_lock; mutex_lock(lock); |
3c5584bf0 devlink: Rework d... |
5749 |
__devlink_health_reporter_destroy(reporter); |
5d037b4d3 devlink: Fix use-... |
5750 |
mutex_unlock(lock); |
a0bdcc59d devlink: Add heal... |
5751 5752 |
} EXPORT_SYMBOL_GPL(devlink_health_reporter_destroy); |
15c724b99 devlink: Add devl... |
5753 5754 5755 5756 5757 5758 5759 5760 |
/** * devlink_port_health_reporter_destroy - destroy devlink port health reporter * * @reporter: devlink health reporter to destroy */ void devlink_port_health_reporter_destroy(struct devlink_health_reporter *reporter) { |
5d037b4d3 devlink: Fix use-... |
5761 5762 5763 |
struct mutex *lock = &reporter->devlink_port->reporters_lock; mutex_lock(lock); |
15c724b99 devlink: Add devl... |
5764 |
__devlink_health_reporter_destroy(reporter); |
5d037b4d3 devlink: Fix use-... |
5765 |
mutex_unlock(lock); |
15c724b99 devlink: Add devl... |
5766 5767 |
} EXPORT_SYMBOL_GPL(devlink_port_health_reporter_destroy); |
6ec8b6cd7 devlink: Add heal... |
5768 5769 5770 5771 5772 5773 5774 5775 5776 5777 5778 5779 5780 5781 5782 5783 |
static int devlink_nl_health_reporter_fill(struct sk_buff *msg, struct devlink *devlink, struct devlink_health_reporter *reporter, enum devlink_command cmd, u32 portid, u32 seq, int flags) { struct nlattr *reporter_attr; void *hdr; hdr = genlmsg_put(msg, portid, seq, &devlink_nl_family, flags, cmd); if (!hdr) return -EMSGSIZE; if (devlink_nl_put_handle(msg, devlink)) goto genlmsg_cancel; |
f4f541660 devlink: Implemen... |
5784 5785 5786 5787 |
if (reporter->devlink_port) { if (nla_put_u32(msg, DEVLINK_ATTR_PORT_INDEX, reporter->devlink_port->index)) goto genlmsg_cancel; } |
6ec8b6cd7 devlink: Add heal... |
5788 5789 5790 5791 5792 5793 5794 5795 5796 5797 5798 5799 5800 5801 5802 5803 5804 5805 5806 5807 5808 5809 5810 5811 5812 5813 5814 5815 5816 5817 5818 5819 5820 5821 |
reporter_attr = nla_nest_start_noflag(msg, DEVLINK_ATTR_HEALTH_REPORTER); if (!reporter_attr) goto genlmsg_cancel; if (nla_put_string(msg, DEVLINK_ATTR_HEALTH_REPORTER_NAME, reporter->ops->name)) goto reporter_nest_cancel; if (nla_put_u8(msg, DEVLINK_ATTR_HEALTH_REPORTER_STATE, reporter->health_state)) goto reporter_nest_cancel; if (nla_put_u64_64bit(msg, DEVLINK_ATTR_HEALTH_REPORTER_ERR_COUNT, reporter->error_count, DEVLINK_ATTR_PAD)) goto reporter_nest_cancel; if (nla_put_u64_64bit(msg, DEVLINK_ATTR_HEALTH_REPORTER_RECOVER_COUNT, reporter->recovery_count, DEVLINK_ATTR_PAD)) goto reporter_nest_cancel; if (reporter->ops->recover && nla_put_u64_64bit(msg, DEVLINK_ATTR_HEALTH_REPORTER_GRACEFUL_PERIOD, reporter->graceful_period, DEVLINK_ATTR_PAD)) goto reporter_nest_cancel; if (reporter->ops->recover && nla_put_u8(msg, DEVLINK_ATTR_HEALTH_REPORTER_AUTO_RECOVER, reporter->auto_recover)) goto reporter_nest_cancel; if (reporter->dump_fmsg && nla_put_u64_64bit(msg, DEVLINK_ATTR_HEALTH_REPORTER_DUMP_TS, jiffies_to_msecs(reporter->dump_ts), DEVLINK_ATTR_PAD)) goto reporter_nest_cancel; if (reporter->dump_fmsg && nla_put_u64_64bit(msg, DEVLINK_ATTR_HEALTH_REPORTER_DUMP_TS_NS, reporter->dump_real_ts, DEVLINK_ATTR_PAD)) goto reporter_nest_cancel; |
48bb52c80 devlink: Add auto... |
5822 5823 5824 5825 |
if (reporter->ops->dump && nla_put_u8(msg, DEVLINK_ATTR_HEALTH_REPORTER_AUTO_DUMP, reporter->auto_dump)) goto reporter_nest_cancel; |
6ec8b6cd7 devlink: Add heal... |
5826 5827 5828 5829 5830 5831 5832 5833 5834 5835 5836 5837 5838 5839 5840 5841 5842 5843 5844 5845 5846 5847 5848 5849 5850 5851 5852 5853 5854 5855 5856 5857 5858 5859 5860 |
nla_nest_end(msg, reporter_attr); genlmsg_end(msg, hdr); return 0; reporter_nest_cancel: nla_nest_end(msg, reporter_attr); genlmsg_cancel: genlmsg_cancel(msg, hdr); return -EMSGSIZE; } static void devlink_recover_notify(struct devlink_health_reporter *reporter, enum devlink_command cmd) { struct sk_buff *msg; int err; WARN_ON(cmd != DEVLINK_CMD_HEALTH_REPORTER_RECOVER); msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); if (!msg) return; err = devlink_nl_health_reporter_fill(msg, reporter->devlink, reporter, cmd, 0, 0, 0); if (err) { nlmsg_free(msg); return; } genlmsg_multicast_netns(&devlink_nl_family, devlink_net(reporter->devlink), msg, 0, DEVLINK_MCGRP_CONFIG, GFP_KERNEL); } |
3167b27a7 devlink: Add supp... |
5861 |
void |
6181e5cb7 devlink: add supp... |
5862 5863 5864 5865 5866 5867 |
devlink_health_reporter_recovery_done(struct devlink_health_reporter *reporter) { reporter->recovery_count++; reporter->last_recovery_ts = jiffies; } EXPORT_SYMBOL_GPL(devlink_health_reporter_recovery_done); |
c8e1da0bf devlink: Add heal... |
5868 5869 |
static int devlink_health_reporter_recover(struct devlink_health_reporter *reporter, |
e7a981050 devlink: propagat... |
5870 |
void *priv_ctx, struct netlink_ext_ack *extack) |
c8e1da0bf devlink: Add heal... |
5871 5872 |
{ int err; |
402818205 devlink: don't do... |
5873 5874 |
if (reporter->health_state == DEVLINK_HEALTH_REPORTER_STATE_HEALTHY) return 0; |
c8e1da0bf devlink: Add heal... |
5875 5876 |
if (!reporter->ops->recover) return -EOPNOTSUPP; |
e7a981050 devlink: propagat... |
5877 |
err = reporter->ops->recover(reporter, priv_ctx, extack); |
c8e1da0bf devlink: Add heal... |
5878 5879 |
if (err) return err; |
6181e5cb7 devlink: add supp... |
5880 |
devlink_health_reporter_recovery_done(reporter); |
c8e1da0bf devlink: Add heal... |
5881 |
reporter->health_state = DEVLINK_HEALTH_REPORTER_STATE_HEALTHY; |
6ec8b6cd7 devlink: Add heal... |
5882 |
devlink_recover_notify(reporter, DEVLINK_CMD_HEALTH_REPORTER_RECOVER); |
c8e1da0bf devlink: Add heal... |
5883 5884 5885 5886 5887 5888 5889 5890 5891 5892 5893 5894 5895 5896 |
return 0; } static void devlink_health_dump_clear(struct devlink_health_reporter *reporter) { if (!reporter->dump_fmsg) return; devlink_fmsg_free(reporter->dump_fmsg); reporter->dump_fmsg = NULL; } static int devlink_health_do_dump(struct devlink_health_reporter *reporter, |
e7a981050 devlink: propagat... |
5897 5898 |
void *priv_ctx, struct netlink_ext_ack *extack) |
c8e1da0bf devlink: Add heal... |
5899 5900 5901 5902 5903 5904 5905 5906 5907 5908 5909 5910 5911 5912 5913 5914 5915 5916 5917 5918 |
{ int err; if (!reporter->ops->dump) return 0; if (reporter->dump_fmsg) return 0; reporter->dump_fmsg = devlink_fmsg_alloc(); if (!reporter->dump_fmsg) { err = -ENOMEM; return err; } err = devlink_fmsg_obj_nest_start(reporter->dump_fmsg); if (err) goto dump_err; err = reporter->ops->dump(reporter, reporter->dump_fmsg, |
e7a981050 devlink: propagat... |
5919 |
priv_ctx, extack); |
c8e1da0bf devlink: Add heal... |
5920 5921 5922 5923 5924 5925 5926 5927 |
if (err) goto dump_err; err = devlink_fmsg_obj_nest_end(reporter->dump_fmsg); if (err) goto dump_err; reporter->dump_ts = jiffies; |
d279505b7 devlink: Add meth... |
5928 |
reporter->dump_real_ts = ktime_get_real_ns(); |
c8e1da0bf devlink: Add heal... |
5929 5930 5931 5932 5933 5934 5935 5936 5937 5938 5939 |
return 0; dump_err: devlink_health_dump_clear(reporter); return err; } int devlink_health_report(struct devlink_health_reporter *reporter, const char *msg, void *priv_ctx) { |
a0a21adb6 devlink: Update r... |
5940 |
enum devlink_health_reporter_state prev_health_state; |
c8e1da0bf devlink: Add heal... |
5941 |
struct devlink *devlink = reporter->devlink; |
bea0c5c94 devlink: Fix repo... |
5942 |
unsigned long recover_ts_threshold; |
c8e1da0bf devlink: Add heal... |
5943 5944 5945 5946 5947 |
/* write a log message of the current error */ WARN_ON(!msg); trace_devlink_health_report(devlink, reporter->ops->name, msg); reporter->error_count++; |
a0a21adb6 devlink: Update r... |
5948 5949 |
prev_health_state = reporter->health_state; reporter->health_state = DEVLINK_HEALTH_REPORTER_STATE_ERROR; |
6ec8b6cd7 devlink: Add heal... |
5950 |
devlink_recover_notify(reporter, DEVLINK_CMD_HEALTH_REPORTER_RECOVER); |
c8e1da0bf devlink: Add heal... |
5951 5952 |
/* abort if the previous error wasn't recovered */ |
bea0c5c94 devlink: Fix repo... |
5953 5954 |
recover_ts_threshold = reporter->last_recovery_ts + msecs_to_jiffies(reporter->graceful_period); |
c8e1da0bf devlink: Add heal... |
5955 |
if (reporter->auto_recover && |
a0a21adb6 devlink: Update r... |
5956 |
(prev_health_state != DEVLINK_HEALTH_REPORTER_STATE_HEALTHY || |
bea0c5c94 devlink: Fix repo... |
5957 5958 |
(reporter->last_recovery_ts && reporter->recovery_count && time_is_after_jiffies(recover_ts_threshold)))) { |
c8e1da0bf devlink: Add heal... |
5959 5960 5961 5962 5963 5964 5965 5966 5967 |
trace_devlink_health_recover_aborted(devlink, reporter->ops->name, reporter->health_state, jiffies - reporter->last_recovery_ts); return -ECANCELED; } reporter->health_state = DEVLINK_HEALTH_REPORTER_STATE_ERROR; |
48bb52c80 devlink: Add auto... |
5968 5969 5970 5971 5972 5973 |
if (reporter->auto_dump) { mutex_lock(&reporter->dump_lock); /* store current dump of current error, for later analysis */ devlink_health_do_dump(reporter, priv_ctx, NULL); mutex_unlock(&reporter->dump_lock); } |
c8e1da0bf devlink: Add heal... |
5974 5975 |
if (reporter->auto_recover) |
e7a981050 devlink: propagat... |
5976 5977 |
return devlink_health_reporter_recover(reporter, priv_ctx, NULL); |
c8e1da0bf devlink: Add heal... |
5978 5979 5980 5981 |
return 0; } EXPORT_SYMBOL_GPL(devlink_health_report); |
7afe335a8 devlink: Add heal... |
5982 |
static struct devlink_health_reporter * |
e44ef4e45 devlink: Hang rep... |
5983 5984 |
devlink_health_reporter_get_from_attrs(struct devlink *devlink, struct nlattr **attrs) |
7afe335a8 devlink: Add heal... |
5985 |
{ |
b587bdaf5 devlink: Change d... |
5986 |
struct devlink_health_reporter *reporter; |
f4f541660 devlink: Implemen... |
5987 |
struct devlink_port *devlink_port; |
7afe335a8 devlink: Add heal... |
5988 |
char *reporter_name; |
e44ef4e45 devlink: Hang rep... |
5989 |
if (!attrs[DEVLINK_ATTR_HEALTH_REPORTER_NAME]) |
7afe335a8 devlink: Add heal... |
5990 |
return NULL; |
e44ef4e45 devlink: Hang rep... |
5991 |
reporter_name = nla_data(attrs[DEVLINK_ATTR_HEALTH_REPORTER_NAME]); |
f4f541660 devlink: Implemen... |
5992 5993 5994 5995 5996 5997 5998 5999 6000 6001 6002 6003 6004 6005 |
devlink_port = devlink_port_get_from_attrs(devlink, attrs); if (IS_ERR(devlink_port)) { mutex_lock(&devlink->reporters_lock); reporter = devlink_health_reporter_find_by_name(devlink, reporter_name); if (reporter) refcount_inc(&reporter->refcount); mutex_unlock(&devlink->reporters_lock); } else { mutex_lock(&devlink_port->reporters_lock); reporter = devlink_port_health_reporter_find_by_name(devlink_port, reporter_name); if (reporter) refcount_inc(&reporter->refcount); mutex_unlock(&devlink_port->reporters_lock); } |
b587bdaf5 devlink: Change d... |
6006 6007 |
return reporter; } |
e44ef4e45 devlink: Hang rep... |
6008 6009 6010 6011 6012 6013 6014 6015 6016 6017 |
static struct devlink_health_reporter * devlink_health_reporter_get_from_info(struct devlink *devlink, struct genl_info *info) { return devlink_health_reporter_get_from_attrs(devlink, info->attrs); } static struct devlink_health_reporter * devlink_health_reporter_get_from_cb(struct netlink_callback *cb) { |
ee85da535 devlink: have gen... |
6018 |
const struct genl_dumpit_info *info = genl_dumpit_info(cb); |
e44ef4e45 devlink: Hang rep... |
6019 |
struct devlink_health_reporter *reporter; |
ee85da535 devlink: have gen... |
6020 |
struct nlattr **attrs = info->attrs; |
e44ef4e45 devlink: Hang rep... |
6021 |
struct devlink *devlink; |
e44ef4e45 devlink: Hang rep... |
6022 6023 6024 6025 6026 6027 6028 6029 |
mutex_lock(&devlink_mutex); devlink = devlink_get_from_attrs(sock_net(cb->skb->sk), attrs); if (IS_ERR(devlink)) goto unlock; reporter = devlink_health_reporter_get_from_attrs(devlink, attrs); mutex_unlock(&devlink_mutex); |
e44ef4e45 devlink: Hang rep... |
6030 6031 6032 |
return reporter; unlock: mutex_unlock(&devlink_mutex); |
e44ef4e45 devlink: Hang rep... |
6033 6034 |
return NULL; } |
97ff3bd37 devlink: add devi... |
6035 6036 6037 6038 6039 6040 6041 6042 6043 6044 6045 6046 6047 6048 6049 6050 6051 |
void devlink_health_reporter_state_update(struct devlink_health_reporter *reporter, enum devlink_health_reporter_state state) { if (WARN_ON(state != DEVLINK_HEALTH_REPORTER_STATE_HEALTHY && state != DEVLINK_HEALTH_REPORTER_STATE_ERROR)) return; if (reporter->health_state == state) return; reporter->health_state = state; trace_devlink_health_reporter_state_update(reporter->devlink, reporter->ops->name, state); devlink_recover_notify(reporter, DEVLINK_CMD_HEALTH_REPORTER_RECOVER); } EXPORT_SYMBOL_GPL(devlink_health_reporter_state_update); |
7afe335a8 devlink: Add heal... |
6052 6053 6054 6055 6056 6057 6058 6059 6060 6061 6062 6063 6064 |
static int devlink_nl_cmd_health_reporter_get_doit(struct sk_buff *skb, struct genl_info *info) { struct devlink *devlink = info->user_ptr[0]; struct devlink_health_reporter *reporter; struct sk_buff *msg; int err; reporter = devlink_health_reporter_get_from_info(devlink, info); if (!reporter) return -EINVAL; msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
b587bdaf5 devlink: Change d... |
6065 6066 6067 6068 |
if (!msg) { err = -ENOMEM; goto out; } |
7afe335a8 devlink: Add heal... |
6069 6070 6071 6072 6073 6074 6075 |
err = devlink_nl_health_reporter_fill(msg, devlink, reporter, DEVLINK_CMD_HEALTH_REPORTER_GET, info->snd_portid, info->snd_seq, 0); if (err) { nlmsg_free(msg); |
b587bdaf5 devlink: Change d... |
6076 |
goto out; |
7afe335a8 devlink: Add heal... |
6077 |
} |
b587bdaf5 devlink: Change d... |
6078 6079 6080 6081 |
err = genlmsg_reply(msg, info); out: devlink_health_reporter_put(reporter); return err; |
7afe335a8 devlink: Add heal... |
6082 6083 6084 6085 6086 6087 6088 |
} static int devlink_nl_cmd_health_reporter_get_dumpit(struct sk_buff *msg, struct netlink_callback *cb) { struct devlink_health_reporter *reporter; |
f4f541660 devlink: Implemen... |
6089 |
struct devlink_port *port; |
7afe335a8 devlink: Add heal... |
6090 6091 6092 6093 6094 6095 6096 6097 6098 |
struct devlink *devlink; int start = cb->args[0]; int idx = 0; int err; mutex_lock(&devlink_mutex); list_for_each_entry(devlink, &devlink_list, list) { if (!net_eq(devlink_net(devlink), sock_net(msg->sk))) continue; |
b587bdaf5 devlink: Change d... |
6099 |
mutex_lock(&devlink->reporters_lock); |
7afe335a8 devlink: Add heal... |
6100 6101 6102 6103 6104 6105 6106 6107 6108 6109 6110 6111 6112 |
list_for_each_entry(reporter, &devlink->reporter_list, list) { if (idx < start) { idx++; continue; } err = devlink_nl_health_reporter_fill(msg, devlink, reporter, DEVLINK_CMD_HEALTH_REPORTER_GET, NETLINK_CB(cb->skb).portid, cb->nlh->nlmsg_seq, NLM_F_MULTI); if (err) { |
b587bdaf5 devlink: Change d... |
6113 |
mutex_unlock(&devlink->reporters_lock); |
7afe335a8 devlink: Add heal... |
6114 6115 6116 6117 |
goto out; } idx++; } |
b587bdaf5 devlink: Change d... |
6118 |
mutex_unlock(&devlink->reporters_lock); |
7afe335a8 devlink: Add heal... |
6119 |
} |
f4f541660 devlink: Implemen... |
6120 6121 6122 6123 |
list_for_each_entry(devlink, &devlink_list, list) { if (!net_eq(devlink_net(devlink), sock_net(msg->sk))) continue; |
5d080b506 devlink: Protect ... |
6124 |
mutex_lock(&devlink->lock); |
f4f541660 devlink: Implemen... |
6125 6126 6127 6128 6129 6130 6131 6132 6133 6134 6135 6136 6137 6138 |
list_for_each_entry(port, &devlink->port_list, list) { mutex_lock(&port->reporters_lock); list_for_each_entry(reporter, &port->reporter_list, list) { if (idx < start) { idx++; continue; } err = devlink_nl_health_reporter_fill(msg, devlink, reporter, DEVLINK_CMD_HEALTH_REPORTER_GET, NETLINK_CB(cb->skb).portid, cb->nlh->nlmsg_seq, NLM_F_MULTI); if (err) { mutex_unlock(&port->reporters_lock); |
5d080b506 devlink: Protect ... |
6139 |
mutex_unlock(&devlink->lock); |
f4f541660 devlink: Implemen... |
6140 6141 6142 6143 6144 6145 |
goto out; } idx++; } mutex_unlock(&port->reporters_lock); } |
5d080b506 devlink: Protect ... |
6146 |
mutex_unlock(&devlink->lock); |
f4f541660 devlink: Implemen... |
6147 |
} |
7afe335a8 devlink: Add heal... |
6148 6149 6150 6151 6152 6153 |
out: mutex_unlock(&devlink_mutex); cb->args[0] = idx; return msg->len; } |
a1e55ec0a devlink: Add heal... |
6154 6155 6156 6157 6158 6159 |
static int devlink_nl_cmd_health_reporter_set_doit(struct sk_buff *skb, struct genl_info *info) { struct devlink *devlink = info->user_ptr[0]; struct devlink_health_reporter *reporter; |
b587bdaf5 devlink: Change d... |
6160 |
int err; |
a1e55ec0a devlink: Add heal... |
6161 6162 6163 6164 6165 6166 6167 |
reporter = devlink_health_reporter_get_from_info(devlink, info); if (!reporter) return -EINVAL; if (!reporter->ops->recover && (info->attrs[DEVLINK_ATTR_HEALTH_REPORTER_GRACEFUL_PERIOD] || |
b587bdaf5 devlink: Change d... |
6168 6169 6170 6171 |
info->attrs[DEVLINK_ATTR_HEALTH_REPORTER_AUTO_RECOVER])) { err = -EOPNOTSUPP; goto out; } |
48bb52c80 devlink: Add auto... |
6172 6173 6174 6175 6176 |
if (!reporter->ops->dump && info->attrs[DEVLINK_ATTR_HEALTH_REPORTER_AUTO_DUMP]) { err = -EOPNOTSUPP; goto out; } |
a1e55ec0a devlink: Add heal... |
6177 6178 6179 6180 6181 6182 6183 6184 |
if (info->attrs[DEVLINK_ATTR_HEALTH_REPORTER_GRACEFUL_PERIOD]) reporter->graceful_period = nla_get_u64(info->attrs[DEVLINK_ATTR_HEALTH_REPORTER_GRACEFUL_PERIOD]); if (info->attrs[DEVLINK_ATTR_HEALTH_REPORTER_AUTO_RECOVER]) reporter->auto_recover = nla_get_u8(info->attrs[DEVLINK_ATTR_HEALTH_REPORTER_AUTO_RECOVER]); |
48bb52c80 devlink: Add auto... |
6185 6186 6187 |
if (info->attrs[DEVLINK_ATTR_HEALTH_REPORTER_AUTO_DUMP]) reporter->auto_dump = nla_get_u8(info->attrs[DEVLINK_ATTR_HEALTH_REPORTER_AUTO_DUMP]); |
b587bdaf5 devlink: Change d... |
6188 |
devlink_health_reporter_put(reporter); |
a1e55ec0a devlink: Add heal... |
6189 |
return 0; |
b587bdaf5 devlink: Change d... |
6190 6191 6192 |
out: devlink_health_reporter_put(reporter); return err; |
a1e55ec0a devlink: Add heal... |
6193 |
} |
20a0943a5 devlink: Add heal... |
6194 6195 6196 6197 6198 |
static int devlink_nl_cmd_health_reporter_recover_doit(struct sk_buff *skb, struct genl_info *info) { struct devlink *devlink = info->user_ptr[0]; struct devlink_health_reporter *reporter; |
b587bdaf5 devlink: Change d... |
6199 |
int err; |
20a0943a5 devlink: Add heal... |
6200 6201 6202 6203 |
reporter = devlink_health_reporter_get_from_info(devlink, info); if (!reporter) return -EINVAL; |
e7a981050 devlink: propagat... |
6204 |
err = devlink_health_reporter_recover(reporter, NULL, info->extack); |
b587bdaf5 devlink: Change d... |
6205 6206 6207 |
devlink_health_reporter_put(reporter); return err; |
20a0943a5 devlink: Add heal... |
6208 |
} |
fca42a279 devlink: Add heal... |
6209 6210 6211 6212 6213 6214 6215 6216 6217 6218 6219 |
static int devlink_nl_cmd_health_reporter_diagnose_doit(struct sk_buff *skb, struct genl_info *info) { struct devlink *devlink = info->user_ptr[0]; struct devlink_health_reporter *reporter; struct devlink_fmsg *fmsg; int err; reporter = devlink_health_reporter_get_from_info(devlink, info); if (!reporter) return -EINVAL; |
b587bdaf5 devlink: Change d... |
6220 6221 |
if (!reporter->ops->diagnose) { devlink_health_reporter_put(reporter); |
fca42a279 devlink: Add heal... |
6222 |
return -EOPNOTSUPP; |
b587bdaf5 devlink: Change d... |
6223 |
} |
fca42a279 devlink: Add heal... |
6224 6225 |
fmsg = devlink_fmsg_alloc(); |
b587bdaf5 devlink: Change d... |
6226 6227 |
if (!fmsg) { devlink_health_reporter_put(reporter); |
fca42a279 devlink: Add heal... |
6228 |
return -ENOMEM; |
b587bdaf5 devlink: Change d... |
6229 |
} |
fca42a279 devlink: Add heal... |
6230 6231 6232 6233 |
err = devlink_fmsg_obj_nest_start(fmsg); if (err) goto out; |
e7a981050 devlink: propagat... |
6234 |
err = reporter->ops->diagnose(reporter, fmsg, info->extack); |
fca42a279 devlink: Add heal... |
6235 6236 6237 6238 6239 6240 6241 6242 6243 6244 6245 6246 |
if (err) goto out; err = devlink_fmsg_obj_nest_end(fmsg); if (err) goto out; err = devlink_fmsg_snd(fmsg, info, DEVLINK_CMD_HEALTH_REPORTER_DIAGNOSE, 0); out: devlink_fmsg_free(fmsg); |
b587bdaf5 devlink: Change d... |
6247 |
devlink_health_reporter_put(reporter); |
fca42a279 devlink: Add heal... |
6248 6249 |
return err; } |
e44ef4e45 devlink: Hang rep... |
6250 6251 6252 |
static int devlink_nl_cmd_health_reporter_dump_get_dumpit(struct sk_buff *skb, struct netlink_callback *cb) |
35455e23e devlink: Add heal... |
6253 |
{ |
35455e23e devlink: Add heal... |
6254 |
struct devlink_health_reporter *reporter; |
e44ef4e45 devlink: Hang rep... |
6255 |
u64 start = cb->args[0]; |
35455e23e devlink: Add heal... |
6256 |
int err; |
e44ef4e45 devlink: Hang rep... |
6257 |
reporter = devlink_health_reporter_get_from_cb(cb); |
35455e23e devlink: Add heal... |
6258 6259 |
if (!reporter) return -EINVAL; |
b587bdaf5 devlink: Change d... |
6260 |
if (!reporter->ops->dump) { |
e44ef4e45 devlink: Hang rep... |
6261 6262 |
err = -EOPNOTSUPP; goto out; |
b587bdaf5 devlink: Change d... |
6263 |
} |
35455e23e devlink: Add heal... |
6264 |
mutex_lock(&reporter->dump_lock); |
e44ef4e45 devlink: Hang rep... |
6265 |
if (!start) { |
e7a981050 devlink: propagat... |
6266 |
err = devlink_health_do_dump(reporter, NULL, cb->extack); |
e44ef4e45 devlink: Hang rep... |
6267 6268 6269 6270 6271 6272 6273 6274 6275 |
if (err) goto unlock; cb->args[1] = reporter->dump_ts; } if (!reporter->dump_fmsg || cb->args[1] != reporter->dump_ts) { NL_SET_ERR_MSG_MOD(cb->extack, "Dump trampled, please retry"); err = -EAGAIN; goto unlock; } |
35455e23e devlink: Add heal... |
6276 |
|
e44ef4e45 devlink: Hang rep... |
6277 6278 6279 |
err = devlink_fmsg_dumpit(reporter->dump_fmsg, skb, cb, DEVLINK_CMD_HEALTH_REPORTER_DUMP_GET); unlock: |
35455e23e devlink: Add heal... |
6280 |
mutex_unlock(&reporter->dump_lock); |
e44ef4e45 devlink: Hang rep... |
6281 |
out: |
b587bdaf5 devlink: Change d... |
6282 |
devlink_health_reporter_put(reporter); |
35455e23e devlink: Add heal... |
6283 6284 6285 6286 6287 6288 6289 6290 6291 6292 6293 6294 6295 |
return err; } static int devlink_nl_cmd_health_reporter_dump_clear_doit(struct sk_buff *skb, struct genl_info *info) { struct devlink *devlink = info->user_ptr[0]; struct devlink_health_reporter *reporter; reporter = devlink_health_reporter_get_from_info(devlink, info); if (!reporter) return -EINVAL; |
b587bdaf5 devlink: Change d... |
6296 6297 |
if (!reporter->ops->dump) { devlink_health_reporter_put(reporter); |
35455e23e devlink: Add heal... |
6298 |
return -EOPNOTSUPP; |
b587bdaf5 devlink: Change d... |
6299 |
} |
35455e23e devlink: Add heal... |
6300 6301 6302 6303 |
mutex_lock(&reporter->dump_lock); devlink_health_dump_clear(reporter); mutex_unlock(&reporter->dump_lock); |
b587bdaf5 devlink: Change d... |
6304 |
devlink_health_reporter_put(reporter); |
35455e23e devlink: Add heal... |
6305 6306 |
return 0; } |
e2ce94dc1 devlink: introduc... |
6307 6308 6309 6310 6311 6312 6313 6314 6315 6316 6317 6318 6319 6320 6321 6322 6323 6324 6325 6326 6327 |
static int devlink_nl_cmd_health_reporter_test_doit(struct sk_buff *skb, struct genl_info *info) { struct devlink *devlink = info->user_ptr[0]; struct devlink_health_reporter *reporter; int err; reporter = devlink_health_reporter_get_from_info(devlink, info); if (!reporter) return -EINVAL; if (!reporter->ops->test) { devlink_health_reporter_put(reporter); return -EOPNOTSUPP; } err = reporter->ops->test(reporter, info->extack); devlink_health_reporter_put(reporter); return err; } |
0f420b6c5 devlink: Add pack... |
6328 6329 6330 6331 6332 6333 6334 |
struct devlink_stats { u64 rx_bytes; u64 rx_packets; struct u64_stats_sync syncp; }; /** |
1e8c66198 devlink: Add pack... |
6335 6336 6337 6338 6339 6340 6341 6342 6343 6344 6345 6346 6347 6348 6349 6350 6351 |
* struct devlink_trap_policer_item - Packet trap policer attributes. * @policer: Immutable packet trap policer attributes. * @rate: Rate in packets / sec. * @burst: Burst size in packets. * @list: trap_policer_list member. * * Describes packet trap policer attributes. Created by devlink during trap * policer registration. */ struct devlink_trap_policer_item { const struct devlink_trap_policer *policer; u64 rate; u64 burst; struct list_head list; }; /** |
0f420b6c5 devlink: Add pack... |
6352 6353 |
* struct devlink_trap_group_item - Packet trap group attributes. * @group: Immutable packet trap group attributes. |
f9f54392d devlink: Add pack... |
6354 |
* @policer_item: Associated policer item. Can be NULL. |
0f420b6c5 devlink: Add pack... |
6355 6356 6357 6358 |
* @list: trap_group_list member. * @stats: Trap group statistics. * * Describes packet trap group attributes. Created by devlink during trap |
a09b37fc8 devlink: Stop ref... |
6359 |
* group registration. |
0f420b6c5 devlink: Add pack... |
6360 6361 6362 |
*/ struct devlink_trap_group_item { const struct devlink_trap_group *group; |
f9f54392d devlink: Add pack... |
6363 |
struct devlink_trap_policer_item *policer_item; |
0f420b6c5 devlink: Add pack... |
6364 6365 6366 6367 6368 6369 6370 6371 6372 6373 6374 6375 6376 6377 6378 6379 6380 6381 6382 6383 6384 6385 6386 6387 |
struct list_head list; struct devlink_stats __percpu *stats; }; /** * struct devlink_trap_item - Packet trap attributes. * @trap: Immutable packet trap attributes. * @group_item: Associated group item. * @list: trap_list member. * @action: Trap action. * @stats: Trap statistics. * @priv: Driver private information. * * Describes both mutable and immutable packet trap attributes. Created by * devlink during trap registration and used for all trap related operations. */ struct devlink_trap_item { const struct devlink_trap *trap; struct devlink_trap_group_item *group_item; struct list_head list; enum devlink_trap_action action; struct devlink_stats __percpu *stats; void *priv; }; |
1e8c66198 devlink: Add pack... |
6388 6389 6390 6391 6392 6393 6394 6395 6396 6397 6398 6399 |
static struct devlink_trap_policer_item * devlink_trap_policer_item_lookup(struct devlink *devlink, u32 id) { struct devlink_trap_policer_item *policer_item; list_for_each_entry(policer_item, &devlink->trap_policer_list, list) { if (policer_item->policer->id == id) return policer_item; } return NULL; } |
0f420b6c5 devlink: Add pack... |
6400 6401 6402 6403 6404 6405 6406 6407 6408 6409 6410 6411 6412 6413 6414 6415 6416 6417 6418 6419 6420 6421 6422 6423 6424 6425 6426 6427 6428 6429 6430 6431 6432 6433 |
static struct devlink_trap_item * devlink_trap_item_lookup(struct devlink *devlink, const char *name) { struct devlink_trap_item *trap_item; list_for_each_entry(trap_item, &devlink->trap_list, list) { if (!strcmp(trap_item->trap->name, name)) return trap_item; } return NULL; } static struct devlink_trap_item * devlink_trap_item_get_from_info(struct devlink *devlink, struct genl_info *info) { struct nlattr *attr; if (!info->attrs[DEVLINK_ATTR_TRAP_NAME]) return NULL; attr = info->attrs[DEVLINK_ATTR_TRAP_NAME]; return devlink_trap_item_lookup(devlink, nla_data(attr)); } static int devlink_trap_action_get_from_info(struct genl_info *info, enum devlink_trap_action *p_trap_action) { u8 val; val = nla_get_u8(info->attrs[DEVLINK_ATTR_TRAP_ACTION]); switch (val) { |
df561f668 treewide: Use fal... |
6434 6435 |
case DEVLINK_TRAP_ACTION_DROP: case DEVLINK_TRAP_ACTION_TRAP: |
9eefeabed devlink: Add 'mir... |
6436 |
case DEVLINK_TRAP_ACTION_MIRROR: |
0f420b6c5 devlink: Add pack... |
6437 6438 6439 6440 6441 6442 6443 6444 6445 6446 6447 6448 6449 6450 6451 6452 6453 6454 6455 6456 6457 |
*p_trap_action = val; break; default: return -EINVAL; } return 0; } static int devlink_trap_metadata_put(struct sk_buff *msg, const struct devlink_trap *trap) { struct nlattr *attr; attr = nla_nest_start(msg, DEVLINK_ATTR_TRAP_METADATA); if (!attr) return -EMSGSIZE; if ((trap->metadata_cap & DEVLINK_TRAP_METADATA_TYPE_F_IN_PORT) && nla_put_flag(msg, DEVLINK_ATTR_TRAP_METADATA_TYPE_IN_PORT)) goto nla_put_failure; |
85b0589ed devlink: add trap... |
6458 6459 6460 |
if ((trap->metadata_cap & DEVLINK_TRAP_METADATA_TYPE_F_FA_COOKIE) && nla_put_flag(msg, DEVLINK_ATTR_TRAP_METADATA_TYPE_FA_COOKIE)) goto nla_put_failure; |
0f420b6c5 devlink: Add pack... |
6461 6462 6463 6464 6465 6466 6467 6468 6469 6470 6471 6472 6473 6474 6475 6476 6477 6478 6479 6480 6481 6482 6483 6484 6485 6486 6487 6488 6489 6490 6491 6492 6493 6494 6495 6496 6497 6498 6499 6500 6501 6502 6503 6504 6505 6506 6507 6508 6509 6510 6511 6512 6513 6514 6515 6516 6517 6518 6519 6520 6521 6522 6523 6524 6525 6526 6527 6528 6529 6530 6531 6532 6533 6534 6535 6536 6537 6538 6539 6540 6541 6542 6543 6544 6545 6546 6547 6548 6549 6550 6551 6552 6553 6554 6555 6556 6557 6558 6559 6560 6561 6562 6563 6564 6565 6566 6567 6568 6569 6570 6571 6572 6573 6574 6575 6576 6577 6578 6579 6580 6581 6582 6583 6584 6585 6586 6587 6588 6589 6590 6591 6592 6593 6594 6595 6596 6597 6598 6599 6600 6601 6602 6603 6604 6605 6606 6607 6608 6609 6610 6611 6612 6613 6614 6615 6616 6617 6618 6619 6620 6621 6622 6623 6624 6625 6626 6627 6628 6629 6630 6631 6632 6633 6634 6635 6636 6637 6638 6639 6640 6641 6642 6643 6644 6645 6646 6647 6648 6649 6650 6651 6652 6653 6654 6655 6656 6657 6658 6659 6660 |
nla_nest_end(msg, attr); return 0; nla_put_failure: nla_nest_cancel(msg, attr); return -EMSGSIZE; } static void devlink_trap_stats_read(struct devlink_stats __percpu *trap_stats, struct devlink_stats *stats) { int i; memset(stats, 0, sizeof(*stats)); for_each_possible_cpu(i) { struct devlink_stats *cpu_stats; u64 rx_packets, rx_bytes; unsigned int start; cpu_stats = per_cpu_ptr(trap_stats, i); do { start = u64_stats_fetch_begin_irq(&cpu_stats->syncp); rx_packets = cpu_stats->rx_packets; rx_bytes = cpu_stats->rx_bytes; } while (u64_stats_fetch_retry_irq(&cpu_stats->syncp, start)); stats->rx_packets += rx_packets; stats->rx_bytes += rx_bytes; } } static int devlink_trap_stats_put(struct sk_buff *msg, struct devlink_stats __percpu *trap_stats) { struct devlink_stats stats; struct nlattr *attr; devlink_trap_stats_read(trap_stats, &stats); attr = nla_nest_start(msg, DEVLINK_ATTR_STATS); if (!attr) return -EMSGSIZE; if (nla_put_u64_64bit(msg, DEVLINK_ATTR_STATS_RX_PACKETS, stats.rx_packets, DEVLINK_ATTR_PAD)) goto nla_put_failure; if (nla_put_u64_64bit(msg, DEVLINK_ATTR_STATS_RX_BYTES, stats.rx_bytes, DEVLINK_ATTR_PAD)) goto nla_put_failure; nla_nest_end(msg, attr); return 0; nla_put_failure: nla_nest_cancel(msg, attr); return -EMSGSIZE; } static int devlink_nl_trap_fill(struct sk_buff *msg, struct devlink *devlink, const struct devlink_trap_item *trap_item, enum devlink_command cmd, u32 portid, u32 seq, int flags) { struct devlink_trap_group_item *group_item = trap_item->group_item; void *hdr; int err; hdr = genlmsg_put(msg, portid, seq, &devlink_nl_family, flags, cmd); if (!hdr) return -EMSGSIZE; if (devlink_nl_put_handle(msg, devlink)) goto nla_put_failure; if (nla_put_string(msg, DEVLINK_ATTR_TRAP_GROUP_NAME, group_item->group->name)) goto nla_put_failure; if (nla_put_string(msg, DEVLINK_ATTR_TRAP_NAME, trap_item->trap->name)) goto nla_put_failure; if (nla_put_u8(msg, DEVLINK_ATTR_TRAP_TYPE, trap_item->trap->type)) goto nla_put_failure; if (trap_item->trap->generic && nla_put_flag(msg, DEVLINK_ATTR_TRAP_GENERIC)) goto nla_put_failure; if (nla_put_u8(msg, DEVLINK_ATTR_TRAP_ACTION, trap_item->action)) goto nla_put_failure; err = devlink_trap_metadata_put(msg, trap_item->trap); if (err) goto nla_put_failure; err = devlink_trap_stats_put(msg, trap_item->stats); if (err) goto nla_put_failure; genlmsg_end(msg, hdr); return 0; nla_put_failure: genlmsg_cancel(msg, hdr); return -EMSGSIZE; } static int devlink_nl_cmd_trap_get_doit(struct sk_buff *skb, struct genl_info *info) { struct netlink_ext_ack *extack = info->extack; struct devlink *devlink = info->user_ptr[0]; struct devlink_trap_item *trap_item; struct sk_buff *msg; int err; if (list_empty(&devlink->trap_list)) return -EOPNOTSUPP; trap_item = devlink_trap_item_get_from_info(devlink, info); if (!trap_item) { NL_SET_ERR_MSG_MOD(extack, "Device did not register this trap"); return -ENOENT; } msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); if (!msg) return -ENOMEM; err = devlink_nl_trap_fill(msg, devlink, trap_item, DEVLINK_CMD_TRAP_NEW, info->snd_portid, info->snd_seq, 0); if (err) goto err_trap_fill; return genlmsg_reply(msg, info); err_trap_fill: nlmsg_free(msg); return err; } static int devlink_nl_cmd_trap_get_dumpit(struct sk_buff *msg, struct netlink_callback *cb) { struct devlink_trap_item *trap_item; struct devlink *devlink; int start = cb->args[0]; int idx = 0; int err; mutex_lock(&devlink_mutex); list_for_each_entry(devlink, &devlink_list, list) { if (!net_eq(devlink_net(devlink), sock_net(msg->sk))) continue; mutex_lock(&devlink->lock); list_for_each_entry(trap_item, &devlink->trap_list, list) { if (idx < start) { idx++; continue; } err = devlink_nl_trap_fill(msg, devlink, trap_item, DEVLINK_CMD_TRAP_NEW, NETLINK_CB(cb->skb).portid, cb->nlh->nlmsg_seq, NLM_F_MULTI); if (err) { mutex_unlock(&devlink->lock); goto out; } idx++; } mutex_unlock(&devlink->lock); } out: mutex_unlock(&devlink_mutex); cb->args[0] = idx; return msg->len; } static int __devlink_trap_action_set(struct devlink *devlink, struct devlink_trap_item *trap_item, enum devlink_trap_action trap_action, struct netlink_ext_ack *extack) { int err; if (trap_item->action != trap_action && trap_item->trap->type != DEVLINK_TRAP_TYPE_DROP) { NL_SET_ERR_MSG_MOD(extack, "Cannot change action of non-drop traps. Skipping"); return 0; } err = devlink->ops->trap_action_set(devlink, trap_item->trap, |
c88e11e04 devlink: Pass ext... |
6661 |
trap_action, extack); |
0f420b6c5 devlink: Add pack... |
6662 6663 6664 6665 6666 6667 6668 6669 6670 6671 6672 6673 6674 6675 6676 6677 6678 6679 6680 6681 6682 6683 6684 6685 6686 6687 6688 6689 6690 6691 6692 6693 6694 6695 |
if (err) return err; trap_item->action = trap_action; return 0; } static int devlink_trap_action_set(struct devlink *devlink, struct devlink_trap_item *trap_item, struct genl_info *info) { enum devlink_trap_action trap_action; int err; if (!info->attrs[DEVLINK_ATTR_TRAP_ACTION]) return 0; err = devlink_trap_action_get_from_info(info, &trap_action); if (err) { NL_SET_ERR_MSG_MOD(info->extack, "Invalid trap action"); return -EINVAL; } return __devlink_trap_action_set(devlink, trap_item, trap_action, info->extack); } static int devlink_nl_cmd_trap_set_doit(struct sk_buff *skb, struct genl_info *info) { struct netlink_ext_ack *extack = info->extack; struct devlink *devlink = info->user_ptr[0]; struct devlink_trap_item *trap_item; |
0f420b6c5 devlink: Add pack... |
6696 6697 6698 6699 6700 6701 6702 6703 6704 |
if (list_empty(&devlink->trap_list)) return -EOPNOTSUPP; trap_item = devlink_trap_item_get_from_info(devlink, info); if (!trap_item) { NL_SET_ERR_MSG_MOD(extack, "Device did not register this trap"); return -ENOENT; } |
8daa76a52 net: core: devlin... |
6705 |
return devlink_trap_action_set(devlink, trap_item, info); |
0f420b6c5 devlink: Add pack... |
6706 6707 6708 6709 6710 6711 6712 6713 6714 6715 6716 6717 6718 6719 6720 6721 |
} static struct devlink_trap_group_item * devlink_trap_group_item_lookup(struct devlink *devlink, const char *name) { struct devlink_trap_group_item *group_item; list_for_each_entry(group_item, &devlink->trap_group_list, list) { if (!strcmp(group_item->group->name, name)) return group_item; } return NULL; } static struct devlink_trap_group_item * |
107f16789 devlink: Only pas... |
6722 6723 6724 6725 6726 6727 6728 6729 6730 6731 6732 6733 6734 |
devlink_trap_group_item_lookup_by_id(struct devlink *devlink, u16 id) { struct devlink_trap_group_item *group_item; list_for_each_entry(group_item, &devlink->trap_group_list, list) { if (group_item->group->id == id) return group_item; } return NULL; } static struct devlink_trap_group_item * |
0f420b6c5 devlink: Add pack... |
6735 6736 6737 6738 6739 6740 6741 6742 6743 6744 6745 6746 6747 6748 6749 6750 6751 6752 6753 6754 6755 6756 6757 6758 6759 6760 6761 6762 6763 6764 6765 6766 6767 6768 6769 |
devlink_trap_group_item_get_from_info(struct devlink *devlink, struct genl_info *info) { char *name; if (!info->attrs[DEVLINK_ATTR_TRAP_GROUP_NAME]) return NULL; name = nla_data(info->attrs[DEVLINK_ATTR_TRAP_GROUP_NAME]); return devlink_trap_group_item_lookup(devlink, name); } static int devlink_nl_trap_group_fill(struct sk_buff *msg, struct devlink *devlink, const struct devlink_trap_group_item *group_item, enum devlink_command cmd, u32 portid, u32 seq, int flags) { void *hdr; int err; hdr = genlmsg_put(msg, portid, seq, &devlink_nl_family, flags, cmd); if (!hdr) return -EMSGSIZE; if (devlink_nl_put_handle(msg, devlink)) goto nla_put_failure; if (nla_put_string(msg, DEVLINK_ATTR_TRAP_GROUP_NAME, group_item->group->name)) goto nla_put_failure; if (group_item->group->generic && nla_put_flag(msg, DEVLINK_ATTR_TRAP_GENERIC)) goto nla_put_failure; |
f9f54392d devlink: Add pack... |
6770 6771 6772 6773 |
if (group_item->policer_item && nla_put_u32(msg, DEVLINK_ATTR_TRAP_POLICER_ID, group_item->policer_item->policer->id)) goto nla_put_failure; |
0f420b6c5 devlink: Add pack... |
6774 6775 6776 6777 6778 6779 6780 6781 6782 6783 6784 6785 6786 6787 6788 6789 6790 6791 6792 6793 6794 6795 6796 6797 6798 6799 6800 6801 6802 6803 6804 6805 6806 6807 6808 6809 6810 6811 6812 6813 6814 6815 6816 6817 6818 6819 6820 6821 6822 6823 6824 6825 6826 6827 6828 6829 6830 6831 6832 6833 6834 6835 6836 6837 6838 6839 6840 6841 6842 6843 6844 6845 6846 6847 6848 6849 6850 6851 6852 6853 6854 6855 6856 6857 6858 6859 6860 6861 6862 6863 6864 6865 6866 6867 6868 6869 6870 6871 6872 |
err = devlink_trap_stats_put(msg, group_item->stats); if (err) goto nla_put_failure; genlmsg_end(msg, hdr); return 0; nla_put_failure: genlmsg_cancel(msg, hdr); return -EMSGSIZE; } static int devlink_nl_cmd_trap_group_get_doit(struct sk_buff *skb, struct genl_info *info) { struct netlink_ext_ack *extack = info->extack; struct devlink *devlink = info->user_ptr[0]; struct devlink_trap_group_item *group_item; struct sk_buff *msg; int err; if (list_empty(&devlink->trap_group_list)) return -EOPNOTSUPP; group_item = devlink_trap_group_item_get_from_info(devlink, info); if (!group_item) { NL_SET_ERR_MSG_MOD(extack, "Device did not register this trap group"); return -ENOENT; } msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); if (!msg) return -ENOMEM; err = devlink_nl_trap_group_fill(msg, devlink, group_item, DEVLINK_CMD_TRAP_GROUP_NEW, info->snd_portid, info->snd_seq, 0); if (err) goto err_trap_group_fill; return genlmsg_reply(msg, info); err_trap_group_fill: nlmsg_free(msg); return err; } static int devlink_nl_cmd_trap_group_get_dumpit(struct sk_buff *msg, struct netlink_callback *cb) { enum devlink_command cmd = DEVLINK_CMD_TRAP_GROUP_NEW; struct devlink_trap_group_item *group_item; u32 portid = NETLINK_CB(cb->skb).portid; struct devlink *devlink; int start = cb->args[0]; int idx = 0; int err; mutex_lock(&devlink_mutex); list_for_each_entry(devlink, &devlink_list, list) { if (!net_eq(devlink_net(devlink), sock_net(msg->sk))) continue; mutex_lock(&devlink->lock); list_for_each_entry(group_item, &devlink->trap_group_list, list) { if (idx < start) { idx++; continue; } err = devlink_nl_trap_group_fill(msg, devlink, group_item, cmd, portid, cb->nlh->nlmsg_seq, NLM_F_MULTI); if (err) { mutex_unlock(&devlink->lock); goto out; } idx++; } mutex_unlock(&devlink->lock); } out: mutex_unlock(&devlink_mutex); cb->args[0] = idx; return msg->len; } static int __devlink_trap_group_action_set(struct devlink *devlink, struct devlink_trap_group_item *group_item, enum devlink_trap_action trap_action, struct netlink_ext_ack *extack) { const char *group_name = group_item->group->name; struct devlink_trap_item *trap_item; int err; |
c50bf2be7 devlink: add .tra... |
6873 6874 6875 6876 6877 6878 6879 6880 6881 6882 6883 6884 6885 6886 6887 6888 6889 |
if (devlink->ops->trap_group_action_set) { err = devlink->ops->trap_group_action_set(devlink, group_item->group, trap_action, extack); if (err) return err; list_for_each_entry(trap_item, &devlink->trap_list, list) { if (strcmp(trap_item->group_item->group->name, group_name)) continue; if (trap_item->action != trap_action && trap_item->trap->type != DEVLINK_TRAP_TYPE_DROP) continue; trap_item->action = trap_action; } return 0; } |
0f420b6c5 devlink: Add pack... |
6890 |
list_for_each_entry(trap_item, &devlink->trap_list, list) { |
107f16789 devlink: Only pas... |
6891 |
if (strcmp(trap_item->group_item->group->name, group_name)) |
0f420b6c5 devlink: Add pack... |
6892 6893 6894 6895 6896 6897 6898 6899 6900 6901 6902 6903 6904 |
continue; err = __devlink_trap_action_set(devlink, trap_item, trap_action, extack); if (err) return err; } return 0; } static int devlink_trap_group_action_set(struct devlink *devlink, struct devlink_trap_group_item *group_item, |
c064875a6 devlink: Allow se... |
6905 |
struct genl_info *info, bool *p_modified) |
0f420b6c5 devlink: Add pack... |
6906 6907 6908 6909 6910 6911 6912 6913 6914 6915 6916 6917 6918 6919 6920 6921 6922 |
{ enum devlink_trap_action trap_action; int err; if (!info->attrs[DEVLINK_ATTR_TRAP_ACTION]) return 0; err = devlink_trap_action_get_from_info(info, &trap_action); if (err) { NL_SET_ERR_MSG_MOD(info->extack, "Invalid trap action"); return -EINVAL; } err = __devlink_trap_group_action_set(devlink, group_item, trap_action, info->extack); if (err) return err; |
c064875a6 devlink: Allow se... |
6923 6924 6925 6926 6927 6928 6929 6930 6931 6932 6933 6934 6935 6936 6937 6938 6939 6940 6941 6942 6943 6944 6945 6946 6947 6948 6949 6950 6951 6952 6953 6954 6955 6956 |
*p_modified = true; return 0; } static int devlink_trap_group_set(struct devlink *devlink, struct devlink_trap_group_item *group_item, struct genl_info *info) { struct devlink_trap_policer_item *policer_item; struct netlink_ext_ack *extack = info->extack; const struct devlink_trap_policer *policer; struct nlattr **attrs = info->attrs; int err; if (!attrs[DEVLINK_ATTR_TRAP_POLICER_ID]) return 0; if (!devlink->ops->trap_group_set) return -EOPNOTSUPP; policer_item = group_item->policer_item; if (attrs[DEVLINK_ATTR_TRAP_POLICER_ID]) { u32 policer_id; policer_id = nla_get_u32(attrs[DEVLINK_ATTR_TRAP_POLICER_ID]); policer_item = devlink_trap_policer_item_lookup(devlink, policer_id); if (policer_id && !policer_item) { NL_SET_ERR_MSG_MOD(extack, "Device did not register this trap policer"); return -ENOENT; } } policer = policer_item ? policer_item->policer : NULL; |
c88e11e04 devlink: Pass ext... |
6957 6958 |
err = devlink->ops->trap_group_set(devlink, group_item->group, policer, extack); |
c064875a6 devlink: Allow se... |
6959 6960 6961 6962 |
if (err) return err; group_item->policer_item = policer_item; |
0f420b6c5 devlink: Add pack... |
6963 6964 6965 6966 6967 6968 6969 6970 6971 |
return 0; } static int devlink_nl_cmd_trap_group_set_doit(struct sk_buff *skb, struct genl_info *info) { struct netlink_ext_ack *extack = info->extack; struct devlink *devlink = info->user_ptr[0]; struct devlink_trap_group_item *group_item; |
c064875a6 devlink: Allow se... |
6972 |
bool modified = false; |
0f420b6c5 devlink: Add pack... |
6973 6974 6975 6976 6977 6978 6979 6980 6981 6982 |
int err; if (list_empty(&devlink->trap_group_list)) return -EOPNOTSUPP; group_item = devlink_trap_group_item_get_from_info(devlink, info); if (!group_item) { NL_SET_ERR_MSG_MOD(extack, "Device did not register this trap group"); return -ENOENT; } |
c064875a6 devlink: Allow se... |
6983 6984 |
err = devlink_trap_group_action_set(devlink, group_item, info, &modified); |
0f420b6c5 devlink: Add pack... |
6985 6986 |
if (err) return err; |
c064875a6 devlink: Allow se... |
6987 6988 6989 |
err = devlink_trap_group_set(devlink, group_item, info); if (err) goto err_trap_group_set; |
0f420b6c5 devlink: Add pack... |
6990 |
return 0; |
c064875a6 devlink: Allow se... |
6991 6992 6993 6994 6995 |
err_trap_group_set: if (modified) NL_SET_ERR_MSG_MOD(extack, "Trap group set failed, but some changes were committed already"); return err; |
0f420b6c5 devlink: Add pack... |
6996 |
} |
1e8c66198 devlink: Add pack... |
6997 6998 6999 7000 7001 7002 7003 7004 7005 7006 7007 7008 7009 7010 7011 7012 7013 7014 7015 7016 7017 7018 7019 7020 7021 7022 7023 7024 7025 7026 7027 7028 7029 7030 7031 7032 7033 7034 7035 7036 7037 7038 7039 7040 7041 7042 7043 7044 7045 7046 7047 7048 7049 7050 7051 7052 7053 7054 7055 7056 7057 7058 7059 7060 7061 7062 7063 7064 7065 7066 7067 7068 7069 7070 7071 7072 7073 7074 7075 7076 7077 7078 7079 7080 7081 7082 7083 7084 7085 7086 7087 7088 7089 7090 7091 7092 7093 7094 7095 7096 7097 7098 7099 7100 7101 7102 7103 7104 7105 7106 7107 7108 7109 7110 7111 7112 7113 7114 7115 7116 7117 7118 7119 7120 7121 7122 7123 7124 7125 7126 7127 7128 7129 7130 7131 7132 7133 7134 7135 7136 7137 7138 7139 7140 7141 7142 7143 7144 7145 7146 7147 7148 7149 7150 7151 7152 7153 7154 7155 7156 7157 7158 7159 7160 7161 7162 7163 7164 7165 7166 7167 7168 7169 7170 7171 7172 7173 7174 7175 7176 7177 7178 7179 7180 7181 7182 7183 7184 7185 7186 7187 7188 7189 7190 7191 7192 7193 7194 7195 7196 7197 7198 7199 7200 7201 7202 7203 7204 7205 7206 7207 7208 7209 7210 7211 7212 7213 7214 7215 7216 7217 7218 7219 7220 7221 7222 7223 7224 7225 7226 7227 7228 7229 7230 7231 |
static struct devlink_trap_policer_item * devlink_trap_policer_item_get_from_info(struct devlink *devlink, struct genl_info *info) { u32 id; if (!info->attrs[DEVLINK_ATTR_TRAP_POLICER_ID]) return NULL; id = nla_get_u32(info->attrs[DEVLINK_ATTR_TRAP_POLICER_ID]); return devlink_trap_policer_item_lookup(devlink, id); } static int devlink_trap_policer_stats_put(struct sk_buff *msg, struct devlink *devlink, const struct devlink_trap_policer *policer) { struct nlattr *attr; u64 drops; int err; if (!devlink->ops->trap_policer_counter_get) return 0; err = devlink->ops->trap_policer_counter_get(devlink, policer, &drops); if (err) return err; attr = nla_nest_start(msg, DEVLINK_ATTR_STATS); if (!attr) return -EMSGSIZE; if (nla_put_u64_64bit(msg, DEVLINK_ATTR_STATS_RX_DROPPED, drops, DEVLINK_ATTR_PAD)) goto nla_put_failure; nla_nest_end(msg, attr); return 0; nla_put_failure: nla_nest_cancel(msg, attr); return -EMSGSIZE; } static int devlink_nl_trap_policer_fill(struct sk_buff *msg, struct devlink *devlink, const struct devlink_trap_policer_item *policer_item, enum devlink_command cmd, u32 portid, u32 seq, int flags) { void *hdr; int err; hdr = genlmsg_put(msg, portid, seq, &devlink_nl_family, flags, cmd); if (!hdr) return -EMSGSIZE; if (devlink_nl_put_handle(msg, devlink)) goto nla_put_failure; if (nla_put_u32(msg, DEVLINK_ATTR_TRAP_POLICER_ID, policer_item->policer->id)) goto nla_put_failure; if (nla_put_u64_64bit(msg, DEVLINK_ATTR_TRAP_POLICER_RATE, policer_item->rate, DEVLINK_ATTR_PAD)) goto nla_put_failure; if (nla_put_u64_64bit(msg, DEVLINK_ATTR_TRAP_POLICER_BURST, policer_item->burst, DEVLINK_ATTR_PAD)) goto nla_put_failure; err = devlink_trap_policer_stats_put(msg, devlink, policer_item->policer); if (err) goto nla_put_failure; genlmsg_end(msg, hdr); return 0; nla_put_failure: genlmsg_cancel(msg, hdr); return -EMSGSIZE; } static int devlink_nl_cmd_trap_policer_get_doit(struct sk_buff *skb, struct genl_info *info) { struct devlink_trap_policer_item *policer_item; struct netlink_ext_ack *extack = info->extack; struct devlink *devlink = info->user_ptr[0]; struct sk_buff *msg; int err; if (list_empty(&devlink->trap_policer_list)) return -EOPNOTSUPP; policer_item = devlink_trap_policer_item_get_from_info(devlink, info); if (!policer_item) { NL_SET_ERR_MSG_MOD(extack, "Device did not register this trap policer"); return -ENOENT; } msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); if (!msg) return -ENOMEM; err = devlink_nl_trap_policer_fill(msg, devlink, policer_item, DEVLINK_CMD_TRAP_POLICER_NEW, info->snd_portid, info->snd_seq, 0); if (err) goto err_trap_policer_fill; return genlmsg_reply(msg, info); err_trap_policer_fill: nlmsg_free(msg); return err; } static int devlink_nl_cmd_trap_policer_get_dumpit(struct sk_buff *msg, struct netlink_callback *cb) { enum devlink_command cmd = DEVLINK_CMD_TRAP_POLICER_NEW; struct devlink_trap_policer_item *policer_item; u32 portid = NETLINK_CB(cb->skb).portid; struct devlink *devlink; int start = cb->args[0]; int idx = 0; int err; mutex_lock(&devlink_mutex); list_for_each_entry(devlink, &devlink_list, list) { if (!net_eq(devlink_net(devlink), sock_net(msg->sk))) continue; mutex_lock(&devlink->lock); list_for_each_entry(policer_item, &devlink->trap_policer_list, list) { if (idx < start) { idx++; continue; } err = devlink_nl_trap_policer_fill(msg, devlink, policer_item, cmd, portid, cb->nlh->nlmsg_seq, NLM_F_MULTI); if (err) { mutex_unlock(&devlink->lock); goto out; } idx++; } mutex_unlock(&devlink->lock); } out: mutex_unlock(&devlink_mutex); cb->args[0] = idx; return msg->len; } static int devlink_trap_policer_set(struct devlink *devlink, struct devlink_trap_policer_item *policer_item, struct genl_info *info) { struct netlink_ext_ack *extack = info->extack; struct nlattr **attrs = info->attrs; u64 rate, burst; int err; rate = policer_item->rate; burst = policer_item->burst; if (attrs[DEVLINK_ATTR_TRAP_POLICER_RATE]) rate = nla_get_u64(attrs[DEVLINK_ATTR_TRAP_POLICER_RATE]); if (attrs[DEVLINK_ATTR_TRAP_POLICER_BURST]) burst = nla_get_u64(attrs[DEVLINK_ATTR_TRAP_POLICER_BURST]); if (rate < policer_item->policer->min_rate) { NL_SET_ERR_MSG_MOD(extack, "Policer rate lower than limit"); return -EINVAL; } if (rate > policer_item->policer->max_rate) { NL_SET_ERR_MSG_MOD(extack, "Policer rate higher than limit"); return -EINVAL; } if (burst < policer_item->policer->min_burst) { NL_SET_ERR_MSG_MOD(extack, "Policer burst size lower than limit"); return -EINVAL; } if (burst > policer_item->policer->max_burst) { NL_SET_ERR_MSG_MOD(extack, "Policer burst size higher than limit"); return -EINVAL; } err = devlink->ops->trap_policer_set(devlink, policer_item->policer, rate, burst, info->extack); if (err) return err; policer_item->rate = rate; policer_item->burst = burst; return 0; } static int devlink_nl_cmd_trap_policer_set_doit(struct sk_buff *skb, struct genl_info *info) { struct devlink_trap_policer_item *policer_item; struct netlink_ext_ack *extack = info->extack; struct devlink *devlink = info->user_ptr[0]; if (list_empty(&devlink->trap_policer_list)) return -EOPNOTSUPP; if (!devlink->ops->trap_policer_set) return -EOPNOTSUPP; policer_item = devlink_trap_policer_item_get_from_info(devlink, info); if (!policer_item) { NL_SET_ERR_MSG_MOD(extack, "Device did not register this trap policer"); return -ENOENT; } return devlink_trap_policer_set(devlink, policer_item, info); } |
bfcd3a466 Introduce devlink... |
7232 |
static const struct nla_policy devlink_nl_policy[DEVLINK_ATTR_MAX + 1] = { |
1e8c66198 devlink: Add pack... |
7233 7234 |
[DEVLINK_ATTR_UNSPEC] = { .strict_start_type = DEVLINK_ATTR_TRAP_POLICER_ID }, |
bfcd3a466 Introduce devlink... |
7235 7236 7237 |
[DEVLINK_ATTR_BUS_NAME] = { .type = NLA_NUL_STRING }, [DEVLINK_ATTR_DEV_NAME] = { .type = NLA_NUL_STRING }, [DEVLINK_ATTR_PORT_INDEX] = { .type = NLA_U32 }, |
c49a94405 devlink: Enhance ... |
7238 7239 |
[DEVLINK_ATTR_PORT_TYPE] = NLA_POLICY_RANGE(NLA_U16, DEVLINK_PORT_TYPE_AUTO, DEVLINK_PORT_TYPE_IB), |
bfcd3a466 Introduce devlink... |
7240 |
[DEVLINK_ATTR_PORT_SPLIT_COUNT] = { .type = NLA_U32 }, |
bf7974710 devlink: add shar... |
7241 7242 7243 7244 7245 7246 7247 |
[DEVLINK_ATTR_SB_INDEX] = { .type = NLA_U32 }, [DEVLINK_ATTR_SB_POOL_INDEX] = { .type = NLA_U16 }, [DEVLINK_ATTR_SB_POOL_TYPE] = { .type = NLA_U8 }, [DEVLINK_ATTR_SB_POOL_SIZE] = { .type = NLA_U32 }, [DEVLINK_ATTR_SB_POOL_THRESHOLD_TYPE] = { .type = NLA_U8 }, [DEVLINK_ATTR_SB_THRESHOLD] = { .type = NLA_U32 }, [DEVLINK_ATTR_SB_TC_INDEX] = { .type = NLA_U16 }, |
ba356c909 devlink: Enhance ... |
7248 7249 |
[DEVLINK_ATTR_ESWITCH_MODE] = NLA_POLICY_RANGE(NLA_U16, DEVLINK_ESWITCH_MODE_LEGACY, DEVLINK_ESWITCH_MODE_SWITCHDEV), |
59bfde01f devlink: Add E-Sw... |
7250 |
[DEVLINK_ATTR_ESWITCH_INLINE_MODE] = { .type = NLA_U8 }, |
f43e9b069 net/devlink: Add ... |
7251 |
[DEVLINK_ATTR_ESWITCH_ENCAP_MODE] = { .type = NLA_U8 }, |
1555d204e devlink: Support ... |
7252 7253 |
[DEVLINK_ATTR_DPIPE_TABLE_NAME] = { .type = NLA_NUL_STRING }, [DEVLINK_ATTR_DPIPE_TABLE_COUNTERS_ENABLED] = { .type = NLA_U8 }, |
d9f9b9a4d devlink: Add supp... |
7254 7255 |
[DEVLINK_ATTR_RESOURCE_ID] = { .type = NLA_U64}, [DEVLINK_ATTR_RESOURCE_SIZE] = { .type = NLA_U64}, |
e3b7ca18a devlink: Add para... |
7256 7257 7258 |
[DEVLINK_ATTR_PARAM_NAME] = { .type = NLA_NUL_STRING }, [DEVLINK_ATTR_PARAM_TYPE] = { .type = NLA_U8 }, [DEVLINK_ATTR_PARAM_VALUE_CMODE] = { .type = NLA_U8 }, |
d8db7ea55 devlink: Add supp... |
7259 |
[DEVLINK_ATTR_REGION_NAME] = { .type = NLA_NUL_STRING }, |
866319bb9 devlink: Add supp... |
7260 |
[DEVLINK_ATTR_REGION_SNAPSHOT_ID] = { .type = NLA_U32 }, |
ff3b63b8c devlink: validate... |
7261 7262 |
[DEVLINK_ATTR_REGION_CHUNK_ADDR] = { .type = NLA_U64 }, [DEVLINK_ATTR_REGION_CHUNK_LEN] = { .type = NLA_U64 }, |
7afe335a8 devlink: Add heal... |
7263 |
[DEVLINK_ATTR_HEALTH_REPORTER_NAME] = { .type = NLA_NUL_STRING }, |
a1e55ec0a devlink: Add heal... |
7264 7265 |
[DEVLINK_ATTR_HEALTH_REPORTER_GRACEFUL_PERIOD] = { .type = NLA_U64 }, [DEVLINK_ATTR_HEALTH_REPORTER_AUTO_RECOVER] = { .type = NLA_U8 }, |
76726ccb7 devlink: add flas... |
7266 7267 |
[DEVLINK_ATTR_FLASH_UPDATE_FILE_NAME] = { .type = NLA_NUL_STRING }, [DEVLINK_ATTR_FLASH_UPDATE_COMPONENT] = { .type = NLA_NUL_STRING }, |
5d5b4128c devlink: introduc... |
7268 7269 |
[DEVLINK_ATTR_FLASH_UPDATE_OVERWRITE_MASK] = NLA_POLICY_BITFIELD32(DEVLINK_SUPPORTED_FLASH_OVERWRITE_SECTIONS), |
0f420b6c5 devlink: Add pack... |
7270 7271 7272 |
[DEVLINK_ATTR_TRAP_NAME] = { .type = NLA_NUL_STRING }, [DEVLINK_ATTR_TRAP_ACTION] = { .type = NLA_U8 }, [DEVLINK_ATTR_TRAP_GROUP_NAME] = { .type = NLA_NUL_STRING }, |
070c63f20 net: devlink: all... |
7273 7274 7275 |
[DEVLINK_ATTR_NETNS_PID] = { .type = NLA_U32 }, [DEVLINK_ATTR_NETNS_FD] = { .type = NLA_U32 }, [DEVLINK_ATTR_NETNS_ID] = { .type = NLA_U32 }, |
48bb52c80 devlink: Add auto... |
7276 |
[DEVLINK_ATTR_HEALTH_REPORTER_AUTO_DUMP] = { .type = NLA_U8 }, |
1e8c66198 devlink: Add pack... |
7277 7278 7279 |
[DEVLINK_ATTR_TRAP_POLICER_ID] = { .type = NLA_U32 }, [DEVLINK_ATTR_TRAP_POLICER_RATE] = { .type = NLA_U64 }, [DEVLINK_ATTR_TRAP_POLICER_BURST] = { .type = NLA_U64 }, |
a1e8ae907 net/devlink: Supp... |
7280 |
[DEVLINK_ATTR_PORT_FUNCTION] = { .type = NLA_NESTED }, |
ccdf07219 devlink: Add relo... |
7281 7282 |
[DEVLINK_ATTR_RELOAD_ACTION] = NLA_POLICY_RANGE(NLA_U8, DEVLINK_RELOAD_ACTION_DRIVER_REINIT, DEVLINK_RELOAD_ACTION_MAX), |
dc64cc7c6 devlink: Add devl... |
7283 |
[DEVLINK_ATTR_RELOAD_LIMITS] = NLA_POLICY_BITFIELD32(DEVLINK_RELOAD_LIMITS_VALID_MASK), |
bfcd3a466 Introduce devlink... |
7284 |
}; |
66a9b9287 genetlink: move t... |
7285 |
static const struct genl_small_ops devlink_nl_ops[] = { |
bfcd3a466 Introduce devlink... |
7286 7287 |
{ .cmd = DEVLINK_CMD_GET, |
ef6243acb genetlink: option... |
7288 |
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
bfcd3a466 Introduce devlink... |
7289 7290 |
.doit = devlink_nl_cmd_get_doit, .dumpit = devlink_nl_cmd_get_dumpit, |
bfcd3a466 Introduce devlink... |
7291 7292 7293 7294 |
/* can be retrieved by unprivileged users */ }, { .cmd = DEVLINK_CMD_PORT_GET, |
ef6243acb genetlink: option... |
7295 |
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
bfcd3a466 Introduce devlink... |
7296 7297 |
.doit = devlink_nl_cmd_port_get_doit, .dumpit = devlink_nl_cmd_port_get_dumpit, |
bfcd3a466 Introduce devlink... |
7298 7299 7300 7301 7302 |
.internal_flags = DEVLINK_NL_FLAG_NEED_PORT, /* can be retrieved by unprivileged users */ }, { .cmd = DEVLINK_CMD_PORT_SET, |
ef6243acb genetlink: option... |
7303 |
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
bfcd3a466 Introduce devlink... |
7304 |
.doit = devlink_nl_cmd_port_set_doit, |
bfcd3a466 Introduce devlink... |
7305 7306 7307 7308 7309 |
.flags = GENL_ADMIN_PERM, .internal_flags = DEVLINK_NL_FLAG_NEED_PORT, }, { .cmd = DEVLINK_CMD_PORT_SPLIT, |
ef6243acb genetlink: option... |
7310 |
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
bfcd3a466 Introduce devlink... |
7311 |
.doit = devlink_nl_cmd_port_split_doit, |
bfcd3a466 Introduce devlink... |
7312 |
.flags = GENL_ADMIN_PERM, |
637989b5d devlink: Always u... |
7313 |
.internal_flags = DEVLINK_NL_FLAG_NO_LOCK, |
bfcd3a466 Introduce devlink... |
7314 7315 7316 |
}, { .cmd = DEVLINK_CMD_PORT_UNSPLIT, |
ef6243acb genetlink: option... |
7317 |
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
bfcd3a466 Introduce devlink... |
7318 |
.doit = devlink_nl_cmd_port_unsplit_doit, |
bfcd3a466 Introduce devlink... |
7319 |
.flags = GENL_ADMIN_PERM, |
637989b5d devlink: Always u... |
7320 |
.internal_flags = DEVLINK_NL_FLAG_NO_LOCK, |
bfcd3a466 Introduce devlink... |
7321 |
}, |
bf7974710 devlink: add shar... |
7322 7323 |
{ .cmd = DEVLINK_CMD_SB_GET, |
ef6243acb genetlink: option... |
7324 |
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
bf7974710 devlink: add shar... |
7325 7326 |
.doit = devlink_nl_cmd_sb_get_doit, .dumpit = devlink_nl_cmd_sb_get_dumpit, |
bf7974710 devlink: add shar... |
7327 7328 7329 7330 |
/* can be retrieved by unprivileged users */ }, { .cmd = DEVLINK_CMD_SB_POOL_GET, |
ef6243acb genetlink: option... |
7331 |
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
bf7974710 devlink: add shar... |
7332 7333 |
.doit = devlink_nl_cmd_sb_pool_get_doit, .dumpit = devlink_nl_cmd_sb_pool_get_dumpit, |
bf7974710 devlink: add shar... |
7334 7335 7336 7337 |
/* can be retrieved by unprivileged users */ }, { .cmd = DEVLINK_CMD_SB_POOL_SET, |
ef6243acb genetlink: option... |
7338 |
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
bf7974710 devlink: add shar... |
7339 |
.doit = devlink_nl_cmd_sb_pool_set_doit, |
bf7974710 devlink: add shar... |
7340 |
.flags = GENL_ADMIN_PERM, |
bf7974710 devlink: add shar... |
7341 7342 7343 |
}, { .cmd = DEVLINK_CMD_SB_PORT_POOL_GET, |
ef6243acb genetlink: option... |
7344 |
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
bf7974710 devlink: add shar... |
7345 7346 |
.doit = devlink_nl_cmd_sb_port_pool_get_doit, .dumpit = devlink_nl_cmd_sb_port_pool_get_dumpit, |
637989b5d devlink: Always u... |
7347 |
.internal_flags = DEVLINK_NL_FLAG_NEED_PORT, |
bf7974710 devlink: add shar... |
7348 7349 7350 7351 |
/* can be retrieved by unprivileged users */ }, { .cmd = DEVLINK_CMD_SB_PORT_POOL_SET, |
ef6243acb genetlink: option... |
7352 |
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
bf7974710 devlink: add shar... |
7353 |
.doit = devlink_nl_cmd_sb_port_pool_set_doit, |
bf7974710 devlink: add shar... |
7354 |
.flags = GENL_ADMIN_PERM, |
637989b5d devlink: Always u... |
7355 |
.internal_flags = DEVLINK_NL_FLAG_NEED_PORT, |
bf7974710 devlink: add shar... |
7356 7357 7358 |
}, { .cmd = DEVLINK_CMD_SB_TC_POOL_BIND_GET, |
ef6243acb genetlink: option... |
7359 |
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
bf7974710 devlink: add shar... |
7360 7361 |
.doit = devlink_nl_cmd_sb_tc_pool_bind_get_doit, .dumpit = devlink_nl_cmd_sb_tc_pool_bind_get_dumpit, |
637989b5d devlink: Always u... |
7362 |
.internal_flags = DEVLINK_NL_FLAG_NEED_PORT, |
bf7974710 devlink: add shar... |
7363 7364 7365 7366 |
/* can be retrieved by unprivileged users */ }, { .cmd = DEVLINK_CMD_SB_TC_POOL_BIND_SET, |
ef6243acb genetlink: option... |
7367 |
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
bf7974710 devlink: add shar... |
7368 |
.doit = devlink_nl_cmd_sb_tc_pool_bind_set_doit, |
bf7974710 devlink: add shar... |
7369 |
.flags = GENL_ADMIN_PERM, |
637989b5d devlink: Always u... |
7370 |
.internal_flags = DEVLINK_NL_FLAG_NEED_PORT, |
bf7974710 devlink: add shar... |
7371 |
}, |
df38dafd2 devlink: implemen... |
7372 7373 |
{ .cmd = DEVLINK_CMD_SB_OCC_SNAPSHOT, |
ef6243acb genetlink: option... |
7374 |
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
df38dafd2 devlink: implemen... |
7375 |
.doit = devlink_nl_cmd_sb_occ_snapshot_doit, |
df38dafd2 devlink: implemen... |
7376 |
.flags = GENL_ADMIN_PERM, |
df38dafd2 devlink: implemen... |
7377 7378 7379 |
}, { .cmd = DEVLINK_CMD_SB_OCC_MAX_CLEAR, |
ef6243acb genetlink: option... |
7380 |
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
df38dafd2 devlink: implemen... |
7381 |
.doit = devlink_nl_cmd_sb_occ_max_clear_doit, |
df38dafd2 devlink: implemen... |
7382 |
.flags = GENL_ADMIN_PERM, |
df38dafd2 devlink: implemen... |
7383 |
}, |
08f4b5918 net/devlink: Add ... |
7384 |
{ |
adf200f31 devlink: fix the ... |
7385 |
.cmd = DEVLINK_CMD_ESWITCH_GET, |
ef6243acb genetlink: option... |
7386 |
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
adf200f31 devlink: fix the ... |
7387 |
.doit = devlink_nl_cmd_eswitch_get_doit, |
08f4b5918 net/devlink: Add ... |
7388 |
.flags = GENL_ADMIN_PERM, |
637989b5d devlink: Always u... |
7389 |
.internal_flags = DEVLINK_NL_FLAG_NO_LOCK, |
08f4b5918 net/devlink: Add ... |
7390 7391 |
}, { |
adf200f31 devlink: fix the ... |
7392 |
.cmd = DEVLINK_CMD_ESWITCH_SET, |
ef6243acb genetlink: option... |
7393 |
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
adf200f31 devlink: fix the ... |
7394 |
.doit = devlink_nl_cmd_eswitch_set_doit, |
08f4b5918 net/devlink: Add ... |
7395 |
.flags = GENL_ADMIN_PERM, |
637989b5d devlink: Always u... |
7396 |
.internal_flags = DEVLINK_NL_FLAG_NO_LOCK, |
08f4b5918 net/devlink: Add ... |
7397 |
}, |
1555d204e devlink: Support ... |
7398 7399 |
{ .cmd = DEVLINK_CMD_DPIPE_TABLE_GET, |
ef6243acb genetlink: option... |
7400 |
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
1555d204e devlink: Support ... |
7401 |
.doit = devlink_nl_cmd_dpipe_table_get, |
67ae686b3 devlink: Change d... |
7402 |
/* can be retrieved by unprivileged users */ |
1555d204e devlink: Support ... |
7403 7404 7405 |
}, { .cmd = DEVLINK_CMD_DPIPE_ENTRIES_GET, |
ef6243acb genetlink: option... |
7406 |
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
1555d204e devlink: Support ... |
7407 |
.doit = devlink_nl_cmd_dpipe_entries_get, |
67ae686b3 devlink: Change d... |
7408 |
/* can be retrieved by unprivileged users */ |
1555d204e devlink: Support ... |
7409 7410 7411 |
}, { .cmd = DEVLINK_CMD_DPIPE_HEADERS_GET, |
ef6243acb genetlink: option... |
7412 |
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
1555d204e devlink: Support ... |
7413 |
.doit = devlink_nl_cmd_dpipe_headers_get, |
67ae686b3 devlink: Change d... |
7414 |
/* can be retrieved by unprivileged users */ |
1555d204e devlink: Support ... |
7415 7416 7417 |
}, { .cmd = DEVLINK_CMD_DPIPE_TABLE_COUNTERS_SET, |
ef6243acb genetlink: option... |
7418 |
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
1555d204e devlink: Support ... |
7419 |
.doit = devlink_nl_cmd_dpipe_table_counters_set, |
1555d204e devlink: Support ... |
7420 |
.flags = GENL_ADMIN_PERM, |
1555d204e devlink: Support ... |
7421 |
}, |
d9f9b9a4d devlink: Add supp... |
7422 7423 |
{ .cmd = DEVLINK_CMD_RESOURCE_SET, |
ef6243acb genetlink: option... |
7424 |
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
d9f9b9a4d devlink: Add supp... |
7425 |
.doit = devlink_nl_cmd_resource_set, |
d9f9b9a4d devlink: Add supp... |
7426 |
.flags = GENL_ADMIN_PERM, |
d9f9b9a4d devlink: Add supp... |
7427 7428 7429 |
}, { .cmd = DEVLINK_CMD_RESOURCE_DUMP, |
ef6243acb genetlink: option... |
7430 |
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
d9f9b9a4d devlink: Add supp... |
7431 |
.doit = devlink_nl_cmd_resource_dump, |
67ae686b3 devlink: Change d... |
7432 |
/* can be retrieved by unprivileged users */ |
d9f9b9a4d devlink: Add supp... |
7433 |
}, |
2d8dc5bbf devlink: Add supp... |
7434 7435 |
{ .cmd = DEVLINK_CMD_RELOAD, |
ef6243acb genetlink: option... |
7436 |
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
2d8dc5bbf devlink: Add supp... |
7437 |
.doit = devlink_nl_cmd_reload, |
2d8dc5bbf devlink: Add supp... |
7438 |
.flags = GENL_ADMIN_PERM, |
637989b5d devlink: Always u... |
7439 |
.internal_flags = DEVLINK_NL_FLAG_NO_LOCK, |
2d8dc5bbf devlink: Add supp... |
7440 |
}, |
45f05def5 devlink: Add para... |
7441 7442 |
{ .cmd = DEVLINK_CMD_PARAM_GET, |
ef6243acb genetlink: option... |
7443 |
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
45f05def5 devlink: Add para... |
7444 7445 |
.doit = devlink_nl_cmd_param_get_doit, .dumpit = devlink_nl_cmd_param_get_dumpit, |
45f05def5 devlink: Add para... |
7446 7447 |
/* can be retrieved by unprivileged users */ }, |
e3b7ca18a devlink: Add para... |
7448 7449 |
{ .cmd = DEVLINK_CMD_PARAM_SET, |
ef6243acb genetlink: option... |
7450 |
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
e3b7ca18a devlink: Add para... |
7451 |
.doit = devlink_nl_cmd_param_set_doit, |
e3b7ca18a devlink: Add para... |
7452 |
.flags = GENL_ADMIN_PERM, |
e3b7ca18a devlink: Add para... |
7453 |
}, |
d8db7ea55 devlink: Add supp... |
7454 |
{ |
f4601dee2 devlink: Add port... |
7455 |
.cmd = DEVLINK_CMD_PORT_PARAM_GET, |
ef6243acb genetlink: option... |
7456 |
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
f4601dee2 devlink: Add port... |
7457 7458 |
.doit = devlink_nl_cmd_port_param_get_doit, .dumpit = devlink_nl_cmd_port_param_get_dumpit, |
f4601dee2 devlink: Add port... |
7459 7460 7461 7462 |
.internal_flags = DEVLINK_NL_FLAG_NEED_PORT, /* can be retrieved by unprivileged users */ }, { |
9c54873b4 devlink: Add port... |
7463 |
.cmd = DEVLINK_CMD_PORT_PARAM_SET, |
ef6243acb genetlink: option... |
7464 |
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
9c54873b4 devlink: Add port... |
7465 |
.doit = devlink_nl_cmd_port_param_set_doit, |
9c54873b4 devlink: Add port... |
7466 7467 7468 7469 |
.flags = GENL_ADMIN_PERM, .internal_flags = DEVLINK_NL_FLAG_NEED_PORT, }, { |
d8db7ea55 devlink: Add supp... |
7470 |
.cmd = DEVLINK_CMD_REGION_GET, |
ef6243acb genetlink: option... |
7471 |
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
d8db7ea55 devlink: Add supp... |
7472 7473 |
.doit = devlink_nl_cmd_region_get_doit, .dumpit = devlink_nl_cmd_region_get_dumpit, |
d8db7ea55 devlink: Add supp... |
7474 |
.flags = GENL_ADMIN_PERM, |
d8db7ea55 devlink: Add supp... |
7475 |
}, |
866319bb9 devlink: Add supp... |
7476 |
{ |
b9a17abfd devlink: implemen... |
7477 7478 7479 7480 |
.cmd = DEVLINK_CMD_REGION_NEW, .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, .doit = devlink_nl_cmd_region_new, .flags = GENL_ADMIN_PERM, |
b9a17abfd devlink: implemen... |
7481 7482 |
}, { |
866319bb9 devlink: Add supp... |
7483 |
.cmd = DEVLINK_CMD_REGION_DEL, |
ef6243acb genetlink: option... |
7484 |
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
866319bb9 devlink: Add supp... |
7485 |
.doit = devlink_nl_cmd_region_del, |
866319bb9 devlink: Add supp... |
7486 |
.flags = GENL_ADMIN_PERM, |
866319bb9 devlink: Add supp... |
7487 |
}, |
4e54795a2 devlink: Add supp... |
7488 7489 |
{ .cmd = DEVLINK_CMD_REGION_READ, |
ee85da535 devlink: have gen... |
7490 7491 |
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP_STRICT, |
4e54795a2 devlink: Add supp... |
7492 |
.dumpit = devlink_nl_cmd_region_read_dumpit, |
4e54795a2 devlink: Add supp... |
7493 |
.flags = GENL_ADMIN_PERM, |
4e54795a2 devlink: Add supp... |
7494 |
}, |
f9cf22882 devlink: add devi... |
7495 7496 |
{ .cmd = DEVLINK_CMD_INFO_GET, |
ef6243acb genetlink: option... |
7497 |
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
f9cf22882 devlink: add devi... |
7498 7499 |
.doit = devlink_nl_cmd_info_get_doit, .dumpit = devlink_nl_cmd_info_get_dumpit, |
f9cf22882 devlink: add devi... |
7500 7501 |
/* can be retrieved by unprivileged users */ }, |
7afe335a8 devlink: Add heal... |
7502 7503 |
{ .cmd = DEVLINK_CMD_HEALTH_REPORTER_GET, |
ef6243acb genetlink: option... |
7504 |
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
7afe335a8 devlink: Add heal... |
7505 7506 |
.doit = devlink_nl_cmd_health_reporter_get_doit, .dumpit = devlink_nl_cmd_health_reporter_get_dumpit, |
f4f541660 devlink: Implemen... |
7507 |
.internal_flags = DEVLINK_NL_FLAG_NEED_DEVLINK_OR_PORT | |
b587bdaf5 devlink: Change d... |
7508 |
DEVLINK_NL_FLAG_NO_LOCK, |
7afe335a8 devlink: Add heal... |
7509 7510 |
/* can be retrieved by unprivileged users */ }, |
a1e55ec0a devlink: Add heal... |
7511 7512 |
{ .cmd = DEVLINK_CMD_HEALTH_REPORTER_SET, |
ef6243acb genetlink: option... |
7513 |
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
a1e55ec0a devlink: Add heal... |
7514 |
.doit = devlink_nl_cmd_health_reporter_set_doit, |
a1e55ec0a devlink: Add heal... |
7515 |
.flags = GENL_ADMIN_PERM, |
f4f541660 devlink: Implemen... |
7516 |
.internal_flags = DEVLINK_NL_FLAG_NEED_DEVLINK_OR_PORT | |
b587bdaf5 devlink: Change d... |
7517 |
DEVLINK_NL_FLAG_NO_LOCK, |
a1e55ec0a devlink: Add heal... |
7518 |
}, |
20a0943a5 devlink: Add heal... |
7519 7520 |
{ .cmd = DEVLINK_CMD_HEALTH_REPORTER_RECOVER, |
ef6243acb genetlink: option... |
7521 |
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
20a0943a5 devlink: Add heal... |
7522 |
.doit = devlink_nl_cmd_health_reporter_recover_doit, |
20a0943a5 devlink: Add heal... |
7523 |
.flags = GENL_ADMIN_PERM, |
f4f541660 devlink: Implemen... |
7524 |
.internal_flags = DEVLINK_NL_FLAG_NEED_DEVLINK_OR_PORT | |
b587bdaf5 devlink: Change d... |
7525 |
DEVLINK_NL_FLAG_NO_LOCK, |
20a0943a5 devlink: Add heal... |
7526 |
}, |
fca42a279 devlink: Add heal... |
7527 7528 |
{ .cmd = DEVLINK_CMD_HEALTH_REPORTER_DIAGNOSE, |
ef6243acb genetlink: option... |
7529 |
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
fca42a279 devlink: Add heal... |
7530 |
.doit = devlink_nl_cmd_health_reporter_diagnose_doit, |
fca42a279 devlink: Add heal... |
7531 |
.flags = GENL_ADMIN_PERM, |
f4f541660 devlink: Implemen... |
7532 |
.internal_flags = DEVLINK_NL_FLAG_NEED_DEVLINK_OR_PORT | |
b587bdaf5 devlink: Change d... |
7533 |
DEVLINK_NL_FLAG_NO_LOCK, |
fca42a279 devlink: Add heal... |
7534 |
}, |
35455e23e devlink: Add heal... |
7535 7536 |
{ .cmd = DEVLINK_CMD_HEALTH_REPORTER_DUMP_GET, |
82a843de4 net: devlink: fix... |
7537 7538 |
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP_STRICT, |
e44ef4e45 devlink: Hang rep... |
7539 |
.dumpit = devlink_nl_cmd_health_reporter_dump_get_dumpit, |
35455e23e devlink: Add heal... |
7540 |
.flags = GENL_ADMIN_PERM, |
f4f541660 devlink: Implemen... |
7541 |
.internal_flags = DEVLINK_NL_FLAG_NEED_DEVLINK_OR_PORT | |
35455e23e devlink: Add heal... |
7542 7543 7544 7545 |
DEVLINK_NL_FLAG_NO_LOCK, }, { .cmd = DEVLINK_CMD_HEALTH_REPORTER_DUMP_CLEAR, |
ef6243acb genetlink: option... |
7546 |
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
35455e23e devlink: Add heal... |
7547 |
.doit = devlink_nl_cmd_health_reporter_dump_clear_doit, |
35455e23e devlink: Add heal... |
7548 |
.flags = GENL_ADMIN_PERM, |
f4f541660 devlink: Implemen... |
7549 |
.internal_flags = DEVLINK_NL_FLAG_NEED_DEVLINK_OR_PORT | |
35455e23e devlink: Add heal... |
7550 7551 |
DEVLINK_NL_FLAG_NO_LOCK, }, |
76726ccb7 devlink: add flas... |
7552 |
{ |
e2ce94dc1 devlink: introduc... |
7553 7554 7555 7556 7557 7558 7559 7560 |
.cmd = DEVLINK_CMD_HEALTH_REPORTER_TEST, .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, .doit = devlink_nl_cmd_health_reporter_test_doit, .flags = GENL_ADMIN_PERM, .internal_flags = DEVLINK_NL_FLAG_NEED_DEVLINK_OR_PORT | DEVLINK_NL_FLAG_NO_LOCK, }, { |
76726ccb7 devlink: add flas... |
7561 |
.cmd = DEVLINK_CMD_FLASH_UPDATE, |
ef6243acb genetlink: option... |
7562 |
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
76726ccb7 devlink: add flas... |
7563 |
.doit = devlink_nl_cmd_flash_update, |
76726ccb7 devlink: add flas... |
7564 |
.flags = GENL_ADMIN_PERM, |
76726ccb7 devlink: add flas... |
7565 |
}, |
0f420b6c5 devlink: Add pack... |
7566 7567 7568 7569 |
{ .cmd = DEVLINK_CMD_TRAP_GET, .doit = devlink_nl_cmd_trap_get_doit, .dumpit = devlink_nl_cmd_trap_get_dumpit, |
0f420b6c5 devlink: Add pack... |
7570 7571 7572 7573 7574 7575 |
/* can be retrieved by unprivileged users */ }, { .cmd = DEVLINK_CMD_TRAP_SET, .doit = devlink_nl_cmd_trap_set_doit, .flags = GENL_ADMIN_PERM, |
0f420b6c5 devlink: Add pack... |
7576 7577 7578 7579 7580 |
}, { .cmd = DEVLINK_CMD_TRAP_GROUP_GET, .doit = devlink_nl_cmd_trap_group_get_doit, .dumpit = devlink_nl_cmd_trap_group_get_dumpit, |
0f420b6c5 devlink: Add pack... |
7581 7582 7583 7584 7585 7586 |
/* can be retrieved by unprivileged users */ }, { .cmd = DEVLINK_CMD_TRAP_GROUP_SET, .doit = devlink_nl_cmd_trap_group_set_doit, .flags = GENL_ADMIN_PERM, |
0f420b6c5 devlink: Add pack... |
7587 |
}, |
1e8c66198 devlink: Add pack... |
7588 7589 7590 7591 |
{ .cmd = DEVLINK_CMD_TRAP_POLICER_GET, .doit = devlink_nl_cmd_trap_policer_get_doit, .dumpit = devlink_nl_cmd_trap_policer_get_dumpit, |
1e8c66198 devlink: Add pack... |
7592 7593 7594 7595 7596 7597 |
/* can be retrieved by unprivileged users */ }, { .cmd = DEVLINK_CMD_TRAP_POLICER_SET, .doit = devlink_nl_cmd_trap_policer_set_doit, .flags = GENL_ADMIN_PERM, |
1e8c66198 devlink: Add pack... |
7598 |
}, |
bfcd3a466 Introduce devlink... |
7599 |
}; |
56989f6d8 genetlink: mark f... |
7600 |
static struct genl_family devlink_nl_family __ro_after_init = { |
489111e5c genetlink: static... |
7601 7602 7603 |
.name = DEVLINK_GENL_NAME, .version = DEVLINK_GENL_VERSION, .maxattr = DEVLINK_ATTR_MAX, |
3b0f31f2b genetlink: make p... |
7604 |
.policy = devlink_nl_policy, |
489111e5c genetlink: static... |
7605 7606 7607 7608 |
.netnsok = true, .pre_doit = devlink_nl_pre_doit, .post_doit = devlink_nl_post_doit, .module = THIS_MODULE, |
66a9b9287 genetlink: move t... |
7609 7610 |
.small_ops = devlink_nl_ops, .n_small_ops = ARRAY_SIZE(devlink_nl_ops), |
489111e5c genetlink: static... |
7611 7612 7613 |
.mcgrps = devlink_nl_mcgrps, .n_mcgrps = ARRAY_SIZE(devlink_nl_mcgrps), }; |
ccdf07219 devlink: Add relo... |
7614 7615 |
static bool devlink_reload_actions_valid(const struct devlink_ops *ops) { |
dc64cc7c6 devlink: Add devl... |
7616 7617 |
const struct devlink_reload_combination *comb; int i; |
ccdf07219 devlink: Add relo... |
7618 7619 7620 7621 7622 7623 7624 7625 7626 7627 |
if (!devlink_reload_supported(ops)) { if (WARN_ON(ops->reload_actions)) return false; return true; } if (WARN_ON(!ops->reload_actions || ops->reload_actions & BIT(DEVLINK_RELOAD_ACTION_UNSPEC) || ops->reload_actions >= BIT(__DEVLINK_RELOAD_ACTION_MAX))) return false; |
dc64cc7c6 devlink: Add devl... |
7628 7629 7630 7631 7632 7633 7634 7635 7636 7637 7638 |
if (WARN_ON(ops->reload_limits & BIT(DEVLINK_RELOAD_LIMIT_UNSPEC) || ops->reload_limits >= BIT(__DEVLINK_RELOAD_LIMIT_MAX))) return false; for (i = 0; i < ARRAY_SIZE(devlink_reload_invalid_combinations); i++) { comb = &devlink_reload_invalid_combinations[i]; if (ops->reload_actions == BIT(comb->action) && ops->reload_limits == BIT(comb->limit)) return false; } |
ccdf07219 devlink: Add relo... |
7639 7640 |
return true; } |
bfcd3a466 Introduce devlink... |
7641 7642 7643 7644 7645 7646 7647 7648 7649 7650 7651 7652 |
/** * devlink_alloc - Allocate new devlink instance resources * * @ops: ops * @priv_size: size of user private data * * Allocate new devlink instance resources, including devlink index * and name. */ struct devlink *devlink_alloc(const struct devlink_ops *ops, size_t priv_size) { struct devlink *devlink; |
be6fe1d8e devlink: require ... |
7653 7654 |
if (WARN_ON(!ops)) return NULL; |
ccdf07219 devlink: Add relo... |
7655 7656 |
if (!devlink_reload_actions_valid(ops)) return NULL; |
bfcd3a466 Introduce devlink... |
7657 7658 7659 7660 |
devlink = kzalloc(sizeof(*devlink) + priv_size, GFP_KERNEL); if (!devlink) return NULL; devlink->ops = ops; |
12102436a devlink: track sn... |
7661 |
xa_init_flags(&devlink->snapshot_ids, XA_FLAGS_ALLOC); |
8273fd845 net: devlink: exp... |
7662 |
__devlink_net_set(devlink, &init_net); |
bfcd3a466 Introduce devlink... |
7663 |
INIT_LIST_HEAD(&devlink->port_list); |
bf7974710 devlink: add shar... |
7664 |
INIT_LIST_HEAD(&devlink->sb_list); |
1555d204e devlink: Support ... |
7665 |
INIT_LIST_HEAD_RCU(&devlink->dpipe_table_list); |
d9f9b9a4d devlink: Add supp... |
7666 |
INIT_LIST_HEAD(&devlink->resource_list); |
eabaef189 devlink: Add devl... |
7667 |
INIT_LIST_HEAD(&devlink->param_list); |
b16ebe925 devlink: Add supp... |
7668 |
INIT_LIST_HEAD(&devlink->region_list); |
a0bdcc59d devlink: Add heal... |
7669 |
INIT_LIST_HEAD(&devlink->reporter_list); |
0f420b6c5 devlink: Add pack... |
7670 7671 |
INIT_LIST_HEAD(&devlink->trap_list); INIT_LIST_HEAD(&devlink->trap_group_list); |
1e8c66198 devlink: Add pack... |
7672 |
INIT_LIST_HEAD(&devlink->trap_policer_list); |
2406e7e54 devlink: Add per ... |
7673 |
mutex_init(&devlink->lock); |
b587bdaf5 devlink: Change d... |
7674 |
mutex_init(&devlink->reporters_lock); |
bfcd3a466 Introduce devlink... |
7675 7676 7677 7678 7679 7680 7681 7682 |
return devlink; } EXPORT_SYMBOL_GPL(devlink_alloc); /** * devlink_register - Register devlink instance * * @devlink: devlink |
eeaadd828 devlink: fix kdoc |
7683 |
* @dev: parent device |
bfcd3a466 Introduce devlink... |
7684 7685 7686 |
*/ int devlink_register(struct devlink *devlink, struct device *dev) { |
bfcd3a466 Introduce devlink... |
7687 |
devlink->dev = dev; |
8273fd845 net: devlink: exp... |
7688 |
devlink->registered = true; |
6553e561c devlink: Do not h... |
7689 |
mutex_lock(&devlink_mutex); |
bfcd3a466 Introduce devlink... |
7690 7691 7692 7693 7694 7695 7696 7697 7698 7699 7700 7701 7702 7703 7704 |
list_add_tail(&devlink->list, &devlink_list); devlink_notify(devlink, DEVLINK_CMD_NEW); mutex_unlock(&devlink_mutex); return 0; } EXPORT_SYMBOL_GPL(devlink_register); /** * devlink_unregister - Unregister devlink instance * * @devlink: devlink */ void devlink_unregister(struct devlink *devlink) { mutex_lock(&devlink_mutex); |
69d56e0ea devlink: Change d... |
7705 |
WARN_ON(devlink_reload_supported(devlink->ops) && |
a0c76345e devlink: disallow... |
7706 |
devlink->reload_enabled); |
bfcd3a466 Introduce devlink... |
7707 7708 7709 7710 7711 7712 7713 |
devlink_notify(devlink, DEVLINK_CMD_DEL); list_del(&devlink->list); mutex_unlock(&devlink_mutex); } EXPORT_SYMBOL_GPL(devlink_unregister); /** |
a0c76345e devlink: disallow... |
7714 7715 7716 7717 7718 7719 7720 7721 7722 7723 7724 7725 7726 7727 7728 7729 7730 7731 7732 7733 7734 7735 7736 7737 7738 7739 7740 7741 7742 7743 7744 7745 7746 7747 7748 |
* devlink_reload_enable - Enable reload of devlink instance * * @devlink: devlink * * Should be called at end of device initialization * process when reload operation is supported. */ void devlink_reload_enable(struct devlink *devlink) { mutex_lock(&devlink_mutex); devlink->reload_enabled = true; mutex_unlock(&devlink_mutex); } EXPORT_SYMBOL_GPL(devlink_reload_enable); /** * devlink_reload_disable - Disable reload of devlink instance * * @devlink: devlink * * Should be called at the beginning of device cleanup * process when reload operation is supported. */ void devlink_reload_disable(struct devlink *devlink) { mutex_lock(&devlink_mutex); /* Mutex is taken which ensures that no reload operation is in * progress while setting up forbidded flag. */ devlink->reload_enabled = false; mutex_unlock(&devlink_mutex); } EXPORT_SYMBOL_GPL(devlink_reload_disable); /** |
bfcd3a466 Introduce devlink... |
7749 7750 7751 7752 7753 7754 |
* devlink_free - Free devlink instance resources * * @devlink: devlink */ void devlink_free(struct devlink *devlink) { |
b587bdaf5 devlink: Change d... |
7755 |
mutex_destroy(&devlink->reporters_lock); |
375cf8c64 net: devlink: add... |
7756 |
mutex_destroy(&devlink->lock); |
1e8c66198 devlink: Add pack... |
7757 |
WARN_ON(!list_empty(&devlink->trap_policer_list)); |
0f420b6c5 devlink: Add pack... |
7758 7759 |
WARN_ON(!list_empty(&devlink->trap_group_list)); WARN_ON(!list_empty(&devlink->trap_list)); |
b904aada8 devlink: Add WARN... |
7760 7761 7762 7763 7764 7765 7766 |
WARN_ON(!list_empty(&devlink->reporter_list)); WARN_ON(!list_empty(&devlink->region_list)); WARN_ON(!list_empty(&devlink->param_list)); WARN_ON(!list_empty(&devlink->resource_list)); WARN_ON(!list_empty(&devlink->dpipe_table_list)); WARN_ON(!list_empty(&devlink->sb_list)); WARN_ON(!list_empty(&devlink->port_list)); |
12102436a devlink: track sn... |
7767 |
xa_destroy(&devlink->snapshot_ids); |
bfcd3a466 Introduce devlink... |
7768 7769 7770 |
kfree(devlink); } EXPORT_SYMBOL_GPL(devlink_free); |
136bf27fc devlink: add warn... |
7771 7772 7773 7774 7775 7776 7777 7778 7779 |
static void devlink_port_type_warn(struct work_struct *work) { WARN(true, "Type was not set for devlink port."); } static bool devlink_port_type_should_warn(struct devlink_port *devlink_port) { /* Ignore CPU and DSA flavours. */ return devlink_port->attrs.flavour != DEVLINK_PORT_FLAVOUR_CPU && |
cf1166349 net: devlink: Add... |
7780 7781 |
devlink_port->attrs.flavour != DEVLINK_PORT_FLAVOUR_DSA && devlink_port->attrs.flavour != DEVLINK_PORT_FLAVOUR_UNUSED; |
136bf27fc devlink: add warn... |
7782 |
} |
4c582234a devlink: Wait lon... |
7783 |
#define DEVLINK_PORT_TYPE_WARN_TIMEOUT (HZ * 3600) |
136bf27fc devlink: add warn... |
7784 7785 7786 7787 7788 7789 7790 7791 7792 7793 7794 7795 7796 7797 7798 7799 7800 7801 |
static void devlink_port_type_warn_schedule(struct devlink_port *devlink_port) { if (!devlink_port_type_should_warn(devlink_port)) return; /* Schedule a work to WARN in case driver does not set port * type within timeout. */ schedule_delayed_work(&devlink_port->type_warn_dw, DEVLINK_PORT_TYPE_WARN_TIMEOUT); } static void devlink_port_type_warn_cancel(struct devlink_port *devlink_port) { if (!devlink_port_type_should_warn(devlink_port)) return; cancel_delayed_work_sync(&devlink_port->type_warn_dw); } |
bfcd3a466 Introduce devlink... |
7802 7803 7804 7805 7806 |
/** * devlink_port_register - Register devlink port * * @devlink: devlink * @devlink_port: devlink port |
eeaadd828 devlink: fix kdoc |
7807 |
* @port_index: driver-specific numerical identifier of the port |
bfcd3a466 Introduce devlink... |
7808 7809 7810 7811 7812 7813 7814 7815 7816 7817 7818 |
* * Register devlink port with provided port index. User can use * any indexing, even hw-related one. devlink_port structure * is convenient to be embedded inside user driver private structure. * Note that the caller should take care of zeroing the devlink_port * structure. */ int devlink_port_register(struct devlink *devlink, struct devlink_port *devlink_port, unsigned int port_index) { |
2406e7e54 devlink: Add per ... |
7819 |
mutex_lock(&devlink->lock); |
bfcd3a466 Introduce devlink... |
7820 |
if (devlink_port_index_exists(devlink, port_index)) { |
2406e7e54 devlink: Add per ... |
7821 |
mutex_unlock(&devlink->lock); |
bfcd3a466 Introduce devlink... |
7822 7823 7824 7825 |
return -EEXIST; } devlink_port->devlink = devlink; devlink_port->index = port_index; |
bfcd3a466 Introduce devlink... |
7826 |
devlink_port->registered = true; |
b8f975545 net: devlink: add... |
7827 |
spin_lock_init(&devlink_port->type_lock); |
79604c5de devlink: Fix per ... |
7828 7829 |
INIT_LIST_HEAD(&devlink_port->reporter_list); mutex_init(&devlink_port->reporters_lock); |
bfcd3a466 Introduce devlink... |
7830 |
list_add_tail(&devlink_port->list, &devlink->port_list); |
39e6160e1 devlink: Add devl... |
7831 |
INIT_LIST_HEAD(&devlink_port->param_list); |
544e7c33e net: devlink: Add... |
7832 |
INIT_LIST_HEAD(&devlink_port->region_list); |
2406e7e54 devlink: Add per ... |
7833 |
mutex_unlock(&devlink->lock); |
136bf27fc devlink: add warn... |
7834 7835 |
INIT_DELAYED_WORK(&devlink_port->type_warn_dw, &devlink_port_type_warn); devlink_port_type_warn_schedule(devlink_port); |
bfcd3a466 Introduce devlink... |
7836 7837 7838 7839 7840 7841 7842 7843 7844 7845 7846 7847 |
devlink_port_notify(devlink_port, DEVLINK_CMD_PORT_NEW); return 0; } EXPORT_SYMBOL_GPL(devlink_port_register); /** * devlink_port_unregister - Unregister devlink port * * @devlink_port: devlink port */ void devlink_port_unregister(struct devlink_port *devlink_port) { |
2406e7e54 devlink: Add per ... |
7848 |
struct devlink *devlink = devlink_port->devlink; |
136bf27fc devlink: add warn... |
7849 |
devlink_port_type_warn_cancel(devlink_port); |
bfcd3a466 Introduce devlink... |
7850 |
devlink_port_notify(devlink_port, DEVLINK_CMD_PORT_DEL); |
2406e7e54 devlink: Add per ... |
7851 |
mutex_lock(&devlink->lock); |
bfcd3a466 Introduce devlink... |
7852 |
list_del(&devlink_port->list); |
2406e7e54 devlink: Add per ... |
7853 |
mutex_unlock(&devlink->lock); |
79604c5de devlink: Fix per ... |
7854 |
WARN_ON(!list_empty(&devlink_port->reporter_list)); |
544e7c33e net: devlink: Add... |
7855 |
WARN_ON(!list_empty(&devlink_port->region_list)); |
79604c5de devlink: Fix per ... |
7856 |
mutex_destroy(&devlink_port->reporters_lock); |
bfcd3a466 Introduce devlink... |
7857 7858 7859 7860 7861 7862 7863 |
} EXPORT_SYMBOL_GPL(devlink_port_unregister); static void __devlink_port_type_set(struct devlink_port *devlink_port, enum devlink_port_type type, void *type_dev) { |
2b239e709 net: devlink: war... |
7864 7865 |
if (WARN_ON(!devlink_port->registered)) return; |
136bf27fc devlink: add warn... |
7866 |
devlink_port_type_warn_cancel(devlink_port); |
0f420b6c5 devlink: Add pack... |
7867 |
spin_lock_bh(&devlink_port->type_lock); |
bfcd3a466 Introduce devlink... |
7868 7869 |
devlink_port->type = type; devlink_port->type_dev = type_dev; |
0f420b6c5 devlink: Add pack... |
7870 |
spin_unlock_bh(&devlink_port->type_lock); |
bfcd3a466 Introduce devlink... |
7871 7872 |
devlink_port_notify(devlink_port, DEVLINK_CMD_PORT_NEW); } |
3ea87ca77 devlink: don't cr... |
7873 7874 |
static void devlink_port_type_netdev_checks(struct devlink_port *devlink_port, struct net_device *netdev) |
bfcd3a466 Introduce devlink... |
7875 |
{ |
119c0b572 net: devlink: add... |
7876 |
const struct net_device_ops *ops = netdev->netdev_ops; |
746364f29 net: devlink: add... |
7877 7878 7879 7880 |
/* If driver registers devlink port, it should set devlink port * attributes accordingly so the compat functions are called * and the original ops are not used. */ |
119c0b572 net: devlink: add... |
7881 |
if (ops->ndo_get_phys_port_name) { |
746364f29 net: devlink: add... |
7882 7883 7884 7885 7886 7887 |
/* Some drivers use the same set of ndos for netdevs * that have devlink_port registered and also for * those who don't. Make sure that ndo_get_phys_port_name * returns -EOPNOTSUPP here in case it is defined. * Warn if not. */ |
746364f29 net: devlink: add... |
7888 7889 7890 7891 7892 7893 |
char name[IFNAMSIZ]; int err; err = ops->ndo_get_phys_port_name(netdev, name, sizeof(name)); WARN_ON(err != -EOPNOTSUPP); } |
119c0b572 net: devlink: add... |
7894 7895 7896 7897 7898 7899 7900 7901 7902 7903 7904 7905 7906 |
if (ops->ndo_get_port_parent_id) { /* Some drivers use the same set of ndos for netdevs * that have devlink_port registered and also for * those who don't. Make sure that ndo_get_port_parent_id * returns -EOPNOTSUPP here in case it is defined. * Warn if not. */ struct netdev_phys_item_id ppid; int err; err = ops->ndo_get_port_parent_id(netdev, &ppid); WARN_ON(err != -EOPNOTSUPP); } |
3ea87ca77 devlink: don't cr... |
7907 7908 7909 7910 7911 7912 7913 7914 7915 7916 7917 7918 7919 7920 7921 7922 7923 7924 |
} /** * devlink_port_type_eth_set - Set port type to Ethernet * * @devlink_port: devlink port * @netdev: related netdevice */ void devlink_port_type_eth_set(struct devlink_port *devlink_port, struct net_device *netdev) { if (netdev) devlink_port_type_netdev_checks(devlink_port, netdev); else dev_warn(devlink_port->devlink->dev, "devlink port type for port %d set to Ethernet without a software interface reference, device type not supported by the kernel? ", devlink_port->index); |
773b1f38e net: devlink: don... |
7925 |
__devlink_port_type_set(devlink_port, DEVLINK_PORT_TYPE_ETH, netdev); |
bfcd3a466 Introduce devlink... |
7926 7927 7928 7929 7930 7931 7932 7933 7934 7935 7936 7937 |
} EXPORT_SYMBOL_GPL(devlink_port_type_eth_set); /** * devlink_port_type_ib_set - Set port type to InfiniBand * * @devlink_port: devlink port * @ibdev: related IB device */ void devlink_port_type_ib_set(struct devlink_port *devlink_port, struct ib_device *ibdev) { |
773b1f38e net: devlink: don... |
7938 |
__devlink_port_type_set(devlink_port, DEVLINK_PORT_TYPE_IB, ibdev); |
bfcd3a466 Introduce devlink... |
7939 7940 7941 7942 7943 7944 7945 7946 7947 7948 |
} EXPORT_SYMBOL_GPL(devlink_port_type_ib_set); /** * devlink_port_type_clear - Clear port type * * @devlink_port: devlink port */ void devlink_port_type_clear(struct devlink_port *devlink_port) { |
773b1f38e net: devlink: don... |
7949 |
__devlink_port_type_set(devlink_port, DEVLINK_PORT_TYPE_NOTSET, NULL); |
136bf27fc devlink: add warn... |
7950 |
devlink_port_type_warn_schedule(devlink_port); |
bfcd3a466 Introduce devlink... |
7951 7952 |
} EXPORT_SYMBOL_GPL(devlink_port_type_clear); |
378ef01b5 devlink: Refactor... |
7953 |
static int __devlink_port_attrs_set(struct devlink_port *devlink_port, |
71ad8d55f devlink: Replace ... |
7954 |
enum devlink_port_flavour flavour) |
378ef01b5 devlink: Refactor... |
7955 7956 |
{ struct devlink_port_attrs *attrs = &devlink_port->attrs; |
10a429bab devlink: Move set... |
7957 |
devlink_port->attrs_set = true; |
378ef01b5 devlink: Refactor... |
7958 |
attrs->flavour = flavour; |
71ad8d55f devlink: Replace ... |
7959 |
if (attrs->switch_id.id_len) { |
46737a194 devlink: Move swi... |
7960 |
devlink_port->switch_port = true; |
71ad8d55f devlink: Replace ... |
7961 7962 |
if (WARN_ON(attrs->switch_id.id_len > MAX_PHYS_ITEM_ID_LEN)) attrs->switch_id.id_len = MAX_PHYS_ITEM_ID_LEN; |
378ef01b5 devlink: Refactor... |
7963 |
} else { |
46737a194 devlink: Move swi... |
7964 |
devlink_port->switch_port = false; |
378ef01b5 devlink: Refactor... |
7965 7966 7967 |
} return 0; } |
bfcd3a466 Introduce devlink... |
7968 |
/** |
b9ffcbaf5 devlink: introduc... |
7969 |
* devlink_port_attrs_set - Set port attributes |
bfcd3a466 Introduce devlink... |
7970 7971 |
* * @devlink_port: devlink port |
71ad8d55f devlink: Replace ... |
7972 |
* @attrs: devlink port attrs |
bfcd3a466 Introduce devlink... |
7973 |
*/ |
b9ffcbaf5 devlink: introduc... |
7974 |
void devlink_port_attrs_set(struct devlink_port *devlink_port, |
71ad8d55f devlink: Replace ... |
7975 |
struct devlink_port_attrs *attrs) |
bfcd3a466 Introduce devlink... |
7976 |
{ |
378ef01b5 devlink: Refactor... |
7977 |
int ret; |
b9ffcbaf5 devlink: introduc... |
7978 |
|
9f73bd1c2 devlink: Avoid ov... |
7979 7980 |
if (WARN_ON(devlink_port->registered)) return; |
71ad8d55f devlink: Replace ... |
7981 7982 |
devlink_port->attrs = *attrs; ret = __devlink_port_attrs_set(devlink_port, attrs->flavour); |
378ef01b5 devlink: Refactor... |
7983 |
if (ret) |
45b861120 net: devlink: dis... |
7984 |
return; |
a0f49b548 devlink: Add a ne... |
7985 |
WARN_ON(attrs->splittable && attrs->split); |
bfcd3a466 Introduce devlink... |
7986 |
} |
b9ffcbaf5 devlink: introduc... |
7987 |
EXPORT_SYMBOL_GPL(devlink_port_attrs_set); |
bfcd3a466 Introduce devlink... |
7988 |
|
98fd2d656 devlink: Introduc... |
7989 7990 7991 7992 |
/** * devlink_port_attrs_pci_pf_set - Set PCI PF port attributes * * @devlink_port: devlink port |
3a2d9588c devlink: Introduc... |
7993 |
* @controller: associated controller number for the devlink port instance |
98fd2d656 devlink: Introduc... |
7994 |
* @pf: associated PF for the devlink port instance |
05b595e9c devlink: Introduc... |
7995 |
* @external: indicates if the port is for an external controller |
98fd2d656 devlink: Introduc... |
7996 |
*/ |
3a2d9588c devlink: Introduc... |
7997 7998 |
void devlink_port_attrs_pci_pf_set(struct devlink_port *devlink_port, u32 controller, u16 pf, bool external) |
98fd2d656 devlink: Introduc... |
7999 8000 8001 |
{ struct devlink_port_attrs *attrs = &devlink_port->attrs; int ret; |
9f73bd1c2 devlink: Avoid ov... |
8002 8003 |
if (WARN_ON(devlink_port->registered)) return; |
98fd2d656 devlink: Introduc... |
8004 |
ret = __devlink_port_attrs_set(devlink_port, |
71ad8d55f devlink: Replace ... |
8005 |
DEVLINK_PORT_FLAVOUR_PCI_PF); |
98fd2d656 devlink: Introduc... |
8006 8007 |
if (ret) return; |
3a2d9588c devlink: Introduc... |
8008 |
attrs->pci_pf.controller = controller; |
98fd2d656 devlink: Introduc... |
8009 |
attrs->pci_pf.pf = pf; |
05b595e9c devlink: Introduc... |
8010 |
attrs->pci_pf.external = external; |
98fd2d656 devlink: Introduc... |
8011 8012 |
} EXPORT_SYMBOL_GPL(devlink_port_attrs_pci_pf_set); |
e41b6bf3c devlink: Introduc... |
8013 8014 8015 8016 |
/** * devlink_port_attrs_pci_vf_set - Set PCI VF port attributes * * @devlink_port: devlink port |
3a2d9588c devlink: Introduc... |
8017 |
* @controller: associated controller number for the devlink port instance |
e41b6bf3c devlink: Introduc... |
8018 8019 |
* @pf: associated PF for the devlink port instance * @vf: associated VF of a PF for the devlink port instance |
05b595e9c devlink: Introduc... |
8020 |
* @external: indicates if the port is for an external controller |
e41b6bf3c devlink: Introduc... |
8021 |
*/ |
3a2d9588c devlink: Introduc... |
8022 |
void devlink_port_attrs_pci_vf_set(struct devlink_port *devlink_port, u32 controller, |
05b595e9c devlink: Introduc... |
8023 |
u16 pf, u16 vf, bool external) |
e41b6bf3c devlink: Introduc... |
8024 8025 8026 |
{ struct devlink_port_attrs *attrs = &devlink_port->attrs; int ret; |
9f73bd1c2 devlink: Avoid ov... |
8027 8028 |
if (WARN_ON(devlink_port->registered)) return; |
e41b6bf3c devlink: Introduc... |
8029 |
ret = __devlink_port_attrs_set(devlink_port, |
71ad8d55f devlink: Replace ... |
8030 |
DEVLINK_PORT_FLAVOUR_PCI_VF); |
e41b6bf3c devlink: Introduc... |
8031 8032 |
if (ret) return; |
3a2d9588c devlink: Introduc... |
8033 |
attrs->pci_vf.controller = controller; |
e41b6bf3c devlink: Introduc... |
8034 8035 |
attrs->pci_vf.pf = pf; attrs->pci_vf.vf = vf; |
05b595e9c devlink: Introduc... |
8036 |
attrs->pci_vf.external = external; |
e41b6bf3c devlink: Introduc... |
8037 8038 |
} EXPORT_SYMBOL_GPL(devlink_port_attrs_pci_vf_set); |
af3836df9 net: devlink: int... |
8039 8040 |
static int __devlink_port_phys_port_name_get(struct devlink_port *devlink_port, char *name, size_t len) |
08474c1a9 devlink: introduc... |
8041 8042 8043 |
{ struct devlink_port_attrs *attrs = &devlink_port->attrs; int n = 0; |
10a429bab devlink: Move set... |
8044 |
if (!devlink_port->attrs_set) |
08474c1a9 devlink: introduc... |
8045 8046 8047 8048 |
return -EOPNOTSUPP; switch (attrs->flavour) { case DEVLINK_PORT_FLAVOUR_PHYSICAL: |
acf1ee44c devlink: Introduc... |
8049 |
case DEVLINK_PORT_FLAVOUR_VIRTUAL: |
08474c1a9 devlink: introduc... |
8050 |
if (!attrs->split) |
378ef01b5 devlink: Refactor... |
8051 |
n = snprintf(name, len, "p%u", attrs->phys.port_number); |
08474c1a9 devlink: introduc... |
8052 |
else |
378ef01b5 devlink: Refactor... |
8053 8054 8055 |
n = snprintf(name, len, "p%us%u", attrs->phys.port_number, attrs->phys.split_subport_number); |
08474c1a9 devlink: introduc... |
8056 8057 8058 |
break; case DEVLINK_PORT_FLAVOUR_CPU: case DEVLINK_PORT_FLAVOUR_DSA: |
cf1166349 net: devlink: Add... |
8059 |
case DEVLINK_PORT_FLAVOUR_UNUSED: |
08474c1a9 devlink: introduc... |
8060 8061 8062 8063 8064 |
/* As CPU and DSA ports do not have a netdevice associated * case should not ever happen. */ WARN_ON(1); return -EINVAL; |
98fd2d656 devlink: Introduc... |
8065 |
case DEVLINK_PORT_FLAVOUR_PCI_PF: |
66b17082d devlink: Use cont... |
8066 8067 8068 8069 8070 8071 8072 |
if (attrs->pci_pf.external) { n = snprintf(name, len, "c%u", attrs->pci_pf.controller); if (n >= len) return -EINVAL; len -= n; name += n; } |
98fd2d656 devlink: Introduc... |
8073 8074 |
n = snprintf(name, len, "pf%u", attrs->pci_pf.pf); break; |
e41b6bf3c devlink: Introduc... |
8075 |
case DEVLINK_PORT_FLAVOUR_PCI_VF: |
66b17082d devlink: Use cont... |
8076 8077 8078 8079 8080 8081 8082 |
if (attrs->pci_vf.external) { n = snprintf(name, len, "c%u", attrs->pci_vf.controller); if (n >= len) return -EINVAL; len -= n; name += n; } |
e41b6bf3c devlink: Introduc... |
8083 8084 8085 |
n = snprintf(name, len, "pf%uvf%u", attrs->pci_vf.pf, attrs->pci_vf.vf); break; |
08474c1a9 devlink: introduc... |
8086 8087 8088 8089 8090 8091 8092 |
} if (n >= len) return -EINVAL; return 0; } |
af3836df9 net: devlink: int... |
8093 |
|
bf7974710 devlink: add shar... |
8094 8095 8096 8097 8098 8099 8100 |
int devlink_sb_register(struct devlink *devlink, unsigned int sb_index, u32 size, u16 ingress_pools_count, u16 egress_pools_count, u16 ingress_tc_count, u16 egress_tc_count) { struct devlink_sb *devlink_sb; int err = 0; |
2406e7e54 devlink: Add per ... |
8101 |
mutex_lock(&devlink->lock); |
bf7974710 devlink: add shar... |
8102 8103 8104 8105 8106 8107 8108 8109 8110 8111 8112 8113 8114 8115 8116 8117 8118 8119 |
if (devlink_sb_index_exists(devlink, sb_index)) { err = -EEXIST; goto unlock; } devlink_sb = kzalloc(sizeof(*devlink_sb), GFP_KERNEL); if (!devlink_sb) { err = -ENOMEM; goto unlock; } devlink_sb->index = sb_index; devlink_sb->size = size; devlink_sb->ingress_pools_count = ingress_pools_count; devlink_sb->egress_pools_count = egress_pools_count; devlink_sb->ingress_tc_count = ingress_tc_count; devlink_sb->egress_tc_count = egress_tc_count; list_add_tail(&devlink_sb->list, &devlink->sb_list); unlock: |
2406e7e54 devlink: Add per ... |
8120 |
mutex_unlock(&devlink->lock); |
bf7974710 devlink: add shar... |
8121 8122 8123 8124 8125 8126 8127 |
return err; } EXPORT_SYMBOL_GPL(devlink_sb_register); void devlink_sb_unregister(struct devlink *devlink, unsigned int sb_index) { struct devlink_sb *devlink_sb; |
2406e7e54 devlink: Add per ... |
8128 |
mutex_lock(&devlink->lock); |
bf7974710 devlink: add shar... |
8129 8130 8131 |
devlink_sb = devlink_sb_get_by_index(devlink, sb_index); WARN_ON(!devlink_sb); list_del(&devlink_sb->list); |
2406e7e54 devlink: Add per ... |
8132 |
mutex_unlock(&devlink->lock); |
bf7974710 devlink: add shar... |
8133 8134 8135 |
kfree(devlink_sb); } EXPORT_SYMBOL_GPL(devlink_sb_unregister); |
1555d204e devlink: Support ... |
8136 8137 8138 8139 8140 8141 8142 8143 8144 8145 8146 |
/** * devlink_dpipe_headers_register - register dpipe headers * * @devlink: devlink * @dpipe_headers: dpipe header array * * Register the headers supported by hardware. */ int devlink_dpipe_headers_register(struct devlink *devlink, struct devlink_dpipe_headers *dpipe_headers) { |
2406e7e54 devlink: Add per ... |
8147 |
mutex_lock(&devlink->lock); |
1555d204e devlink: Support ... |
8148 |
devlink->dpipe_headers = dpipe_headers; |
2406e7e54 devlink: Add per ... |
8149 |
mutex_unlock(&devlink->lock); |
1555d204e devlink: Support ... |
8150 8151 8152 8153 8154 8155 8156 8157 8158 8159 8160 8161 8162 |
return 0; } EXPORT_SYMBOL_GPL(devlink_dpipe_headers_register); /** * devlink_dpipe_headers_unregister - unregister dpipe headers * * @devlink: devlink * * Unregister the headers supported by hardware. */ void devlink_dpipe_headers_unregister(struct devlink *devlink) { |
2406e7e54 devlink: Add per ... |
8163 |
mutex_lock(&devlink->lock); |
1555d204e devlink: Support ... |
8164 |
devlink->dpipe_headers = NULL; |
2406e7e54 devlink: Add per ... |
8165 |
mutex_unlock(&devlink->lock); |
1555d204e devlink: Support ... |
8166 8167 8168 8169 8170 8171 8172 8173 8174 8175 8176 8177 8178 8179 8180 8181 8182 8183 8184 8185 8186 8187 8188 8189 8190 |
} EXPORT_SYMBOL_GPL(devlink_dpipe_headers_unregister); /** * devlink_dpipe_table_counter_enabled - check if counter allocation * required * @devlink: devlink * @table_name: tables name * * Used by driver to check if counter allocation is required. * After counter allocation is turned on the table entries * are updated to include counter statistics. * * After that point on the driver must respect the counter * state so that each entry added to the table is added * with a counter. */ bool devlink_dpipe_table_counter_enabled(struct devlink *devlink, const char *table_name) { struct devlink_dpipe_table *table; bool enabled; rcu_read_lock(); table = devlink_dpipe_table_find(&devlink->dpipe_table_list, |
2eb51c75d net: core: devlin... |
8191 |
table_name, devlink); |
1555d204e devlink: Support ... |
8192 8193 8194 8195 8196 8197 8198 8199 8200 8201 8202 8203 8204 8205 8206 |
enabled = false; if (table) enabled = table->counters_enabled; rcu_read_unlock(); return enabled; } EXPORT_SYMBOL_GPL(devlink_dpipe_table_counter_enabled); /** * devlink_dpipe_table_register - register dpipe table * * @devlink: devlink * @table_name: table name * @table_ops: table ops * @priv: priv |
1555d204e devlink: Support ... |
8207 8208 8209 8210 8211 |
* @counter_control_extern: external control for counters */ int devlink_dpipe_table_register(struct devlink *devlink, const char *table_name, struct devlink_dpipe_table_ops *table_ops, |
ffd3cdccf devlink: Add supp... |
8212 |
void *priv, bool counter_control_extern) |
1555d204e devlink: Support ... |
8213 8214 |
{ struct devlink_dpipe_table *table; |
6132c1d90 net: core: devlin... |
8215 |
int err = 0; |
1555d204e devlink: Support ... |
8216 |
|
ffd3cdccf devlink: Add supp... |
8217 8218 |
if (WARN_ON(!table_ops->size_get)) return -EINVAL; |
6132c1d90 net: core: devlin... |
8219 |
mutex_lock(&devlink->lock); |
2eb51c75d net: core: devlin... |
8220 8221 |
if (devlink_dpipe_table_find(&devlink->dpipe_table_list, table_name, devlink)) { |
6132c1d90 net: core: devlin... |
8222 8223 8224 |
err = -EEXIST; goto unlock; } |
1555d204e devlink: Support ... |
8225 |
table = kzalloc(sizeof(*table), GFP_KERNEL); |
6132c1d90 net: core: devlin... |
8226 8227 8228 8229 |
if (!table) { err = -ENOMEM; goto unlock; } |
1555d204e devlink: Support ... |
8230 8231 8232 8233 |
table->name = table_name; table->table_ops = table_ops; table->priv = priv; |
1555d204e devlink: Support ... |
8234 |
table->counter_control_extern = counter_control_extern; |
1555d204e devlink: Support ... |
8235 |
list_add_tail_rcu(&table->list, &devlink->dpipe_table_list); |
6132c1d90 net: core: devlin... |
8236 |
unlock: |
2406e7e54 devlink: Add per ... |
8237 |
mutex_unlock(&devlink->lock); |
6132c1d90 net: core: devlin... |
8238 |
return err; |
1555d204e devlink: Support ... |
8239 8240 8241 8242 8243 8244 8245 8246 8247 8248 8249 8250 8251 |
} EXPORT_SYMBOL_GPL(devlink_dpipe_table_register); /** * devlink_dpipe_table_unregister - unregister dpipe table * * @devlink: devlink * @table_name: table name */ void devlink_dpipe_table_unregister(struct devlink *devlink, const char *table_name) { struct devlink_dpipe_table *table; |
2406e7e54 devlink: Add per ... |
8252 |
mutex_lock(&devlink->lock); |
1555d204e devlink: Support ... |
8253 |
table = devlink_dpipe_table_find(&devlink->dpipe_table_list, |
2eb51c75d net: core: devlin... |
8254 |
table_name, devlink); |
1555d204e devlink: Support ... |
8255 8256 8257 |
if (!table) goto unlock; list_del_rcu(&table->list); |
2406e7e54 devlink: Add per ... |
8258 |
mutex_unlock(&devlink->lock); |
1555d204e devlink: Support ... |
8259 8260 8261 |
kfree_rcu(table, rcu); return; unlock: |
2406e7e54 devlink: Add per ... |
8262 |
mutex_unlock(&devlink->lock); |
1555d204e devlink: Support ... |
8263 8264 |
} EXPORT_SYMBOL_GPL(devlink_dpipe_table_unregister); |
d9f9b9a4d devlink: Add supp... |
8265 8266 8267 8268 8269 |
/** * devlink_resource_register - devlink resource register * * @devlink: devlink * @resource_name: resource's name |
d9f9b9a4d devlink: Add supp... |
8270 8271 |
* @resource_size: resource's size * @resource_id: resource's id |
eeaadd828 devlink: fix kdoc |
8272 8273 |
* @parent_resource_id: resource's parent id * @size_params: size parameters |
d9f9b9a4d devlink: Add supp... |
8274 8275 8276 |
*/ int devlink_resource_register(struct devlink *devlink, const char *resource_name, |
d9f9b9a4d devlink: Add supp... |
8277 8278 8279 |
u64 resource_size, u64 resource_id, u64 parent_resource_id, |
fc56be47d devlink: convert ... |
8280 |
const struct devlink_resource_size_params *size_params) |
d9f9b9a4d devlink: Add supp... |
8281 8282 8283 |
{ struct devlink_resource *resource; struct list_head *resource_list; |
145307460 devlink: Remove t... |
8284 |
bool top_hierarchy; |
d9f9b9a4d devlink: Add supp... |
8285 |
int err = 0; |
145307460 devlink: Remove t... |
8286 |
top_hierarchy = parent_resource_id == DEVLINK_RESOURCE_ID_PARENT_TOP; |
d9f9b9a4d devlink: Add supp... |
8287 8288 8289 8290 8291 8292 8293 8294 8295 8296 8297 8298 8299 8300 8301 8302 8303 8304 8305 8306 8307 8308 8309 8310 |
mutex_lock(&devlink->lock); resource = devlink_resource_find(devlink, NULL, resource_id); if (resource) { err = -EINVAL; goto out; } resource = kzalloc(sizeof(*resource), GFP_KERNEL); if (!resource) { err = -ENOMEM; goto out; } if (top_hierarchy) { resource_list = &devlink->resource_list; } else { struct devlink_resource *parent_resource; parent_resource = devlink_resource_find(devlink, NULL, parent_resource_id); if (parent_resource) { resource_list = &parent_resource->resource_list; resource->parent = parent_resource; } else { |
b75703de1 devlink: fix memo... |
8311 |
kfree(resource); |
d9f9b9a4d devlink: Add supp... |
8312 8313 8314 8315 8316 8317 8318 8319 8320 |
err = -EINVAL; goto out; } } resource->name = resource_name; resource->size = resource_size; resource->size_new = resource_size; resource->id = resource_id; |
d9f9b9a4d devlink: Add supp... |
8321 |
resource->size_valid = true; |
77d270967 mlxsw: spectrum: ... |
8322 8323 |
memcpy(&resource->size_params, size_params, sizeof(resource->size_params)); |
d9f9b9a4d devlink: Add supp... |
8324 8325 8326 8327 8328 8329 8330 8331 8332 8333 8334 8335 8336 8337 8338 8339 8340 8341 8342 8343 8344 8345 8346 8347 8348 8349 8350 8351 8352 8353 8354 8355 8356 8357 8358 8359 8360 8361 8362 8363 8364 8365 8366 8367 8368 8369 8370 8371 8372 8373 8374 8375 8376 8377 8378 8379 8380 8381 8382 8383 8384 8385 8386 8387 8388 8389 |
INIT_LIST_HEAD(&resource->resource_list); list_add_tail(&resource->list, resource_list); out: mutex_unlock(&devlink->lock); return err; } EXPORT_SYMBOL_GPL(devlink_resource_register); /** * devlink_resources_unregister - free all resources * * @devlink: devlink * @resource: resource */ void devlink_resources_unregister(struct devlink *devlink, struct devlink_resource *resource) { struct devlink_resource *tmp, *child_resource; struct list_head *resource_list; if (resource) resource_list = &resource->resource_list; else resource_list = &devlink->resource_list; if (!resource) mutex_lock(&devlink->lock); list_for_each_entry_safe(child_resource, tmp, resource_list, list) { devlink_resources_unregister(devlink, child_resource); list_del(&child_resource->list); kfree(child_resource); } if (!resource) mutex_unlock(&devlink->lock); } EXPORT_SYMBOL_GPL(devlink_resources_unregister); /** * devlink_resource_size_get - get and update size * * @devlink: devlink * @resource_id: the requested resource id * @p_resource_size: ptr to update */ int devlink_resource_size_get(struct devlink *devlink, u64 resource_id, u64 *p_resource_size) { struct devlink_resource *resource; int err = 0; mutex_lock(&devlink->lock); resource = devlink_resource_find(devlink, NULL, resource_id); if (!resource) { err = -EINVAL; goto out; } *p_resource_size = resource->size_new; resource->size = resource->size_new; out: mutex_unlock(&devlink->lock); return err; } EXPORT_SYMBOL_GPL(devlink_resource_size_get); |
56dc7cd0a devlink: Add rela... |
8390 8391 8392 8393 8394 8395 8396 8397 8398 8399 8400 8401 8402 8403 8404 8405 8406 |
/** * devlink_dpipe_table_resource_set - set the resource id * * @devlink: devlink * @table_name: table name * @resource_id: resource id * @resource_units: number of resource's units consumed per table's entry */ int devlink_dpipe_table_resource_set(struct devlink *devlink, const char *table_name, u64 resource_id, u64 resource_units) { struct devlink_dpipe_table *table; int err = 0; mutex_lock(&devlink->lock); table = devlink_dpipe_table_find(&devlink->dpipe_table_list, |
2eb51c75d net: core: devlin... |
8407 |
table_name, devlink); |
56dc7cd0a devlink: Add rela... |
8408 8409 8410 8411 8412 8413 8414 8415 8416 8417 8418 8419 |
if (!table) { err = -EINVAL; goto out; } table->resource_id = resource_id; table->resource_units = resource_units; table->resource_valid = true; out: mutex_unlock(&devlink->lock); return err; } EXPORT_SYMBOL_GPL(devlink_dpipe_table_resource_set); |
fc56be47d devlink: convert ... |
8420 8421 8422 8423 8424 8425 8426 8427 8428 8429 8430 8431 8432 8433 8434 8435 8436 8437 8438 8439 8440 8441 8442 8443 8444 8445 8446 8447 8448 8449 8450 8451 8452 8453 8454 8455 8456 8457 8458 8459 8460 8461 8462 8463 8464 8465 8466 8467 8468 8469 8470 |
/** * devlink_resource_occ_get_register - register occupancy getter * * @devlink: devlink * @resource_id: resource id * @occ_get: occupancy getter callback * @occ_get_priv: occupancy getter callback priv */ void devlink_resource_occ_get_register(struct devlink *devlink, u64 resource_id, devlink_resource_occ_get_t *occ_get, void *occ_get_priv) { struct devlink_resource *resource; mutex_lock(&devlink->lock); resource = devlink_resource_find(devlink, NULL, resource_id); if (WARN_ON(!resource)) goto out; WARN_ON(resource->occ_get); resource->occ_get = occ_get; resource->occ_get_priv = occ_get_priv; out: mutex_unlock(&devlink->lock); } EXPORT_SYMBOL_GPL(devlink_resource_occ_get_register); /** * devlink_resource_occ_get_unregister - unregister occupancy getter * * @devlink: devlink * @resource_id: resource id */ void devlink_resource_occ_get_unregister(struct devlink *devlink, u64 resource_id) { struct devlink_resource *resource; mutex_lock(&devlink->lock); resource = devlink_resource_find(devlink, NULL, resource_id); if (WARN_ON(!resource)) goto out; WARN_ON(!resource->occ_get); resource->occ_get = NULL; resource->occ_get_priv = NULL; out: mutex_unlock(&devlink->lock); } EXPORT_SYMBOL_GPL(devlink_resource_occ_get_unregister); |
39e6160e1 devlink: Add devl... |
8471 8472 8473 8474 8475 8476 8477 8478 8479 8480 8481 |
static int devlink_param_verify(const struct devlink_param *param) { if (!param || !param->name || !param->supported_cmodes) return -EINVAL; if (param->generic) return devlink_param_generic_verify(param); else return devlink_param_driver_verify(param); } static int __devlink_params_register(struct devlink *devlink, |
c1e5786d6 devlink: Add devl... |
8482 |
unsigned int port_index, |
39e6160e1 devlink: Add devl... |
8483 8484 |
struct list_head *param_list, const struct devlink_param *params, |
c1e5786d6 devlink: Add devl... |
8485 8486 8487 |
size_t params_count, enum devlink_command reg_cmd, enum devlink_command unreg_cmd) |
eabaef189 devlink: Add devl... |
8488 8489 8490 8491 8492 8493 8494 |
{ const struct devlink_param *param = params; int i; int err; mutex_lock(&devlink->lock); for (i = 0; i < params_count; i++, param++) { |
39e6160e1 devlink: Add devl... |
8495 8496 |
err = devlink_param_verify(param); if (err) |
eabaef189 devlink: Add devl... |
8497 |
goto rollback; |
39e6160e1 devlink: Add devl... |
8498 |
|
c1e5786d6 devlink: Add devl... |
8499 8500 |
err = devlink_param_register_one(devlink, port_index, param_list, param, reg_cmd); |
eabaef189 devlink: Add devl... |
8501 8502 8503 8504 8505 8506 8507 8508 8509 8510 8511 |
if (err) goto rollback; } mutex_unlock(&devlink->lock); return 0; rollback: if (!i) goto unlock; for (param--; i > 0; i--, param--) |
c1e5786d6 devlink: Add devl... |
8512 8513 |
devlink_param_unregister_one(devlink, port_index, param_list, param, unreg_cmd); |
eabaef189 devlink: Add devl... |
8514 8515 8516 8517 |
unlock: mutex_unlock(&devlink->lock); return err; } |
39e6160e1 devlink: Add devl... |
8518 8519 |
static void __devlink_params_unregister(struct devlink *devlink, |
c1e5786d6 devlink: Add devl... |
8520 |
unsigned int port_index, |
39e6160e1 devlink: Add devl... |
8521 8522 |
struct list_head *param_list, const struct devlink_param *params, |
c1e5786d6 devlink: Add devl... |
8523 8524 |
size_t params_count, enum devlink_command cmd) |
39e6160e1 devlink: Add devl... |
8525 8526 8527 8528 8529 8530 |
{ const struct devlink_param *param = params; int i; mutex_lock(&devlink->lock); for (i = 0; i < params_count; i++, param++) |
c1e5786d6 devlink: Add devl... |
8531 8532 |
devlink_param_unregister_one(devlink, 0, param_list, param, cmd); |
39e6160e1 devlink: Add devl... |
8533 8534 8535 8536 8537 8538 8539 8540 8541 8542 8543 8544 8545 8546 8547 8548 |
mutex_unlock(&devlink->lock); } /** * devlink_params_register - register configuration parameters * * @devlink: devlink * @params: configuration parameters array * @params_count: number of parameters provided * * Register the configuration parameters supported by the driver. */ int devlink_params_register(struct devlink *devlink, const struct devlink_param *params, size_t params_count) { |
c1e5786d6 devlink: Add devl... |
8549 8550 8551 8552 |
return __devlink_params_register(devlink, 0, &devlink->param_list, params, params_count, DEVLINK_CMD_PARAM_NEW, DEVLINK_CMD_PARAM_DEL); |
39e6160e1 devlink: Add devl... |
8553 |
} |
eabaef189 devlink: Add devl... |
8554 8555 8556 8557 8558 8559 8560 8561 8562 8563 8564 8565 |
EXPORT_SYMBOL_GPL(devlink_params_register); /** * devlink_params_unregister - unregister configuration parameters * @devlink: devlink * @params: configuration parameters to unregister * @params_count: number of parameters provided */ void devlink_params_unregister(struct devlink *devlink, const struct devlink_param *params, size_t params_count) { |
c1e5786d6 devlink: Add devl... |
8566 8567 8568 |
return __devlink_params_unregister(devlink, 0, &devlink->param_list, params, params_count, DEVLINK_CMD_PARAM_DEL); |
eabaef189 devlink: Add devl... |
8569 8570 |
} EXPORT_SYMBOL_GPL(devlink_params_unregister); |
ec01aeb18 devlink: Add supp... |
8571 |
/** |
7c62cfb8c devlink: publish ... |
8572 8573 8574 8575 8576 8577 8578 8579 8580 8581 8582 8583 8584 8585 8586 8587 8588 8589 8590 8591 8592 8593 8594 8595 8596 8597 8598 8599 8600 8601 8602 8603 8604 8605 8606 8607 8608 8609 8610 8611 8612 8613 |
* devlink_params_publish - publish configuration parameters * * @devlink: devlink * * Publish previously registered configuration parameters. */ void devlink_params_publish(struct devlink *devlink) { struct devlink_param_item *param_item; list_for_each_entry(param_item, &devlink->param_list, list) { if (param_item->published) continue; param_item->published = true; devlink_param_notify(devlink, 0, param_item, DEVLINK_CMD_PARAM_NEW); } } EXPORT_SYMBOL_GPL(devlink_params_publish); /** * devlink_params_unpublish - unpublish configuration parameters * * @devlink: devlink * * Unpublish previously registered configuration parameters. */ void devlink_params_unpublish(struct devlink *devlink) { struct devlink_param_item *param_item; list_for_each_entry(param_item, &devlink->param_list, list) { if (!param_item->published) continue; param_item->published = false; devlink_param_notify(devlink, 0, param_item, DEVLINK_CMD_PARAM_DEL); } } EXPORT_SYMBOL_GPL(devlink_params_unpublish); /** |
39e6160e1 devlink: Add devl... |
8614 8615 8616 8617 8618 8619 8620 8621 8622 8623 8624 8625 8626 |
* devlink_port_params_register - register port configuration parameters * * @devlink_port: devlink port * @params: configuration parameters array * @params_count: number of parameters provided * * Register the configuration parameters supported by the port. */ int devlink_port_params_register(struct devlink_port *devlink_port, const struct devlink_param *params, size_t params_count) { return __devlink_params_register(devlink_port->devlink, |
c1e5786d6 devlink: Add devl... |
8627 |
devlink_port->index, |
39e6160e1 devlink: Add devl... |
8628 |
&devlink_port->param_list, params, |
c1e5786d6 devlink: Add devl... |
8629 8630 8631 |
params_count, DEVLINK_CMD_PORT_PARAM_NEW, DEVLINK_CMD_PORT_PARAM_DEL); |
39e6160e1 devlink: Add devl... |
8632 8633 8634 8635 8636 8637 8638 8639 8640 8641 8642 8643 8644 8645 8646 8647 |
} EXPORT_SYMBOL_GPL(devlink_port_params_register); /** * devlink_port_params_unregister - unregister port configuration * parameters * * @devlink_port: devlink port * @params: configuration parameters array * @params_count: number of parameters provided */ void devlink_port_params_unregister(struct devlink_port *devlink_port, const struct devlink_param *params, size_t params_count) { return __devlink_params_unregister(devlink_port->devlink, |
c1e5786d6 devlink: Add devl... |
8648 |
devlink_port->index, |
39e6160e1 devlink: Add devl... |
8649 |
&devlink_port->param_list, |
c1e5786d6 devlink: Add devl... |
8650 8651 |
params, params_count, DEVLINK_CMD_PORT_PARAM_DEL); |
39e6160e1 devlink: Add devl... |
8652 8653 |
} EXPORT_SYMBOL_GPL(devlink_port_params_unregister); |
ffd19b9a4 devlink: Add supp... |
8654 8655 8656 |
static int __devlink_param_driverinit_value_get(struct list_head *param_list, u32 param_id, union devlink_param_value *init_val) |
ec01aeb18 devlink: Add supp... |
8657 8658 |
{ struct devlink_param_item *param_item; |
ffd19b9a4 devlink: Add supp... |
8659 |
param_item = devlink_param_find_by_id(param_list, param_id); |
ec01aeb18 devlink: Add supp... |
8660 8661 8662 8663 8664 8665 8666 |
if (!param_item) return -EINVAL; if (!param_item->driverinit_value_valid || !devlink_param_cmode_is_supported(param_item->param, DEVLINK_PARAM_CMODE_DRIVERINIT)) return -EOPNOTSUPP; |
1276534c9 devlink: Fix para... |
8667 8668 8669 8670 |
if (param_item->param->type == DEVLINK_PARAM_TYPE_STRING) strcpy(init_val->vstr, param_item->driverinit_value.vstr); else *init_val = param_item->driverinit_value; |
ec01aeb18 devlink: Add supp... |
8671 8672 8673 |
return 0; } |
ffd19b9a4 devlink: Add supp... |
8674 |
|
5473a7bda devlink: Add supp... |
8675 8676 |
static int __devlink_param_driverinit_value_set(struct devlink *devlink, |
c1e5786d6 devlink: Add devl... |
8677 |
unsigned int port_index, |
5473a7bda devlink: Add supp... |
8678 8679 8680 8681 8682 8683 8684 8685 8686 8687 8688 8689 8690 8691 8692 8693 8694 8695 8696 |
struct list_head *param_list, u32 param_id, union devlink_param_value init_val, enum devlink_command cmd) { struct devlink_param_item *param_item; param_item = devlink_param_find_by_id(param_list, param_id); if (!param_item) return -EINVAL; if (!devlink_param_cmode_is_supported(param_item->param, DEVLINK_PARAM_CMODE_DRIVERINIT)) return -EOPNOTSUPP; if (param_item->param->type == DEVLINK_PARAM_TYPE_STRING) strcpy(param_item->driverinit_value.vstr, init_val.vstr); else param_item->driverinit_value = init_val; param_item->driverinit_value_valid = true; |
c1e5786d6 devlink: Add devl... |
8697 |
devlink_param_notify(devlink, port_index, param_item, cmd); |
5473a7bda devlink: Add supp... |
8698 8699 |
return 0; } |
ffd19b9a4 devlink: Add supp... |
8700 8701 8702 8703 8704 8705 8706 8707 8708 8709 8710 8711 8712 8713 |
/** * devlink_param_driverinit_value_get - get configuration parameter * value for driver initializing * * @devlink: devlink * @param_id: parameter ID * @init_val: value of parameter in driverinit configuration mode * * This function should be used by the driver to get driverinit * configuration for initialization after reload command. */ int devlink_param_driverinit_value_get(struct devlink *devlink, u32 param_id, union devlink_param_value *init_val) { |
69d56e0ea devlink: Change d... |
8714 |
if (!devlink_reload_supported(devlink->ops)) |
ffd19b9a4 devlink: Add supp... |
8715 8716 8717 8718 8719 |
return -EOPNOTSUPP; return __devlink_param_driverinit_value_get(&devlink->param_list, param_id, init_val); } |
ec01aeb18 devlink: Add supp... |
8720 8721 8722 8723 8724 8725 8726 8727 8728 8729 8730 8731 8732 8733 8734 8735 8736 |
EXPORT_SYMBOL_GPL(devlink_param_driverinit_value_get); /** * devlink_param_driverinit_value_set - set value of configuration * parameter for driverinit * configuration mode * * @devlink: devlink * @param_id: parameter ID * @init_val: value of parameter to set for driverinit configuration mode * * This function should be used by the driver to set driverinit * configuration mode default value. */ int devlink_param_driverinit_value_set(struct devlink *devlink, u32 param_id, union devlink_param_value init_val) { |
c1e5786d6 devlink: Add devl... |
8737 |
return __devlink_param_driverinit_value_set(devlink, 0, |
5473a7bda devlink: Add supp... |
8738 8739 8740 |
&devlink->param_list, param_id, init_val, DEVLINK_CMD_PARAM_NEW); |
ec01aeb18 devlink: Add supp... |
8741 8742 |
} EXPORT_SYMBOL_GPL(devlink_param_driverinit_value_set); |
ea601e170 devlink: Add devl... |
8743 |
/** |
ffd19b9a4 devlink: Add supp... |
8744 8745 8746 8747 8748 8749 8750 8751 8752 8753 8754 8755 8756 8757 8758 |
* devlink_port_param_driverinit_value_get - get configuration parameter * value for driver initializing * * @devlink_port: devlink_port * @param_id: parameter ID * @init_val: value of parameter in driverinit configuration mode * * This function should be used by the driver to get driverinit * configuration for initialization after reload command. */ int devlink_port_param_driverinit_value_get(struct devlink_port *devlink_port, u32 param_id, union devlink_param_value *init_val) { struct devlink *devlink = devlink_port->devlink; |
69d56e0ea devlink: Change d... |
8759 |
if (!devlink_reload_supported(devlink->ops)) |
ffd19b9a4 devlink: Add supp... |
8760 8761 8762 8763 8764 8765 8766 8767 |
return -EOPNOTSUPP; return __devlink_param_driverinit_value_get(&devlink_port->param_list, param_id, init_val); } EXPORT_SYMBOL_GPL(devlink_port_param_driverinit_value_get); /** |
5473a7bda devlink: Add supp... |
8768 8769 8770 8771 8772 8773 8774 8775 8776 8777 8778 8779 8780 8781 8782 8783 |
* devlink_port_param_driverinit_value_set - set value of configuration * parameter for driverinit * configuration mode * * @devlink_port: devlink_port * @param_id: parameter ID * @init_val: value of parameter to set for driverinit configuration mode * * This function should be used by the driver to set driverinit * configuration mode default value. */ int devlink_port_param_driverinit_value_set(struct devlink_port *devlink_port, u32 param_id, union devlink_param_value init_val) { return __devlink_param_driverinit_value_set(devlink_port->devlink, |
c1e5786d6 devlink: Add devl... |
8784 |
devlink_port->index, |
5473a7bda devlink: Add supp... |
8785 |
&devlink_port->param_list, |
c1e5786d6 devlink: Add devl... |
8786 8787 |
param_id, init_val, DEVLINK_CMD_PORT_PARAM_NEW); |
5473a7bda devlink: Add supp... |
8788 8789 8790 8791 |
} EXPORT_SYMBOL_GPL(devlink_port_param_driverinit_value_set); /** |
ea601e170 devlink: Add devl... |
8792 8793 8794 8795 8796 8797 8798 8799 8800 8801 |
* devlink_param_value_changed - notify devlink on a parameter's value * change. Should be called by the driver * right after the change. * * @devlink: devlink * @param_id: parameter ID * * This function should be used by the driver to notify devlink on value * change, excluding driverinit configuration mode. * For driverinit configuration mode driver should use the function |
ea601e170 devlink: Add devl... |
8802 8803 8804 8805 8806 8807 8808 |
*/ void devlink_param_value_changed(struct devlink *devlink, u32 param_id) { struct devlink_param_item *param_item; param_item = devlink_param_find_by_id(&devlink->param_list, param_id); WARN_ON(!param_item); |
c1e5786d6 devlink: Add devl... |
8809 |
devlink_param_notify(devlink, 0, param_item, DEVLINK_CMD_PARAM_NEW); |
ea601e170 devlink: Add devl... |
8810 8811 |
} EXPORT_SYMBOL_GPL(devlink_param_value_changed); |
b16ebe925 devlink: Add supp... |
8812 |
/** |
c1e5786d6 devlink: Add devl... |
8813 8814 8815 8816 8817 8818 8819 8820 8821 8822 8823 8824 8825 8826 8827 8828 8829 8830 8831 8832 8833 8834 8835 8836 8837 8838 8839 |
* devlink_port_param_value_changed - notify devlink on a parameter's value * change. Should be called by the driver * right after the change. * * @devlink_port: devlink_port * @param_id: parameter ID * * This function should be used by the driver to notify devlink on value * change, excluding driverinit configuration mode. * For driverinit configuration mode driver should use the function * devlink_port_param_driverinit_value_set() instead. */ void devlink_port_param_value_changed(struct devlink_port *devlink_port, u32 param_id) { struct devlink_param_item *param_item; param_item = devlink_param_find_by_id(&devlink_port->param_list, param_id); WARN_ON(!param_item); devlink_param_notify(devlink_port->devlink, devlink_port->index, param_item, DEVLINK_CMD_PORT_PARAM_NEW); } EXPORT_SYMBOL_GPL(devlink_port_param_value_changed); /** |
bde74ad10 devlink: Add help... |
8840 8841 8842 8843 8844 8845 8846 8847 8848 8849 8850 8851 8852 8853 8854 8855 8856 |
* devlink_param_value_str_fill - Safely fill-up the string preventing * from overflow of the preallocated buffer * * @dst_val: destination devlink_param_value * @src: source buffer */ void devlink_param_value_str_fill(union devlink_param_value *dst_val, const char *src) { size_t len; len = strlcpy(dst_val->vstr, src, __DEVLINK_PARAM_MAX_STRING_VALUE); WARN_ON(len >= __DEVLINK_PARAM_MAX_STRING_VALUE); } EXPORT_SYMBOL_GPL(devlink_param_value_str_fill); /** |
b16ebe925 devlink: Add supp... |
8857 8858 8859 |
* devlink_region_create - create a new address region * * @devlink: devlink |
e89376817 devlink: prepare ... |
8860 |
* @ops: region operations and name |
b16ebe925 devlink: Add supp... |
8861 8862 8863 |
* @region_max_snapshots: Maximum supported number of snapshots for region * @region_size: size of region */ |
e89376817 devlink: prepare ... |
8864 8865 8866 8867 |
struct devlink_region * devlink_region_create(struct devlink *devlink, const struct devlink_region_ops *ops, u32 region_max_snapshots, u64 region_size) |
b16ebe925 devlink: Add supp... |
8868 8869 8870 |
{ struct devlink_region *region; int err = 0; |
a0a09f6bb devlink: convert ... |
8871 8872 |
if (WARN_ON(!ops) || WARN_ON(!ops->destructor)) return ERR_PTR(-EINVAL); |
b16ebe925 devlink: Add supp... |
8873 |
mutex_lock(&devlink->lock); |
e89376817 devlink: prepare ... |
8874 |
if (devlink_region_get_by_name(devlink, ops->name)) { |
b16ebe925 devlink: Add supp... |
8875 8876 8877 8878 8879 8880 8881 8882 8883 8884 8885 8886 |
err = -EEXIST; goto unlock; } region = kzalloc(sizeof(*region), GFP_KERNEL); if (!region) { err = -ENOMEM; goto unlock; } region->devlink = devlink; region->max_snapshots = region_max_snapshots; |
e89376817 devlink: prepare ... |
8887 |
region->ops = ops; |
b16ebe925 devlink: Add supp... |
8888 8889 8890 |
region->size = region_size; INIT_LIST_HEAD(®ion->snapshot_list); list_add_tail(®ion->list, &devlink->region_list); |
866319bb9 devlink: Add supp... |
8891 |
devlink_nl_region_notify(region, NULL, DEVLINK_CMD_REGION_NEW); |
b16ebe925 devlink: Add supp... |
8892 8893 8894 8895 8896 8897 8898 8899 8900 8901 8902 |
mutex_unlock(&devlink->lock); return region; unlock: mutex_unlock(&devlink->lock); return ERR_PTR(err); } EXPORT_SYMBOL_GPL(devlink_region_create); /** |
544e7c33e net: devlink: Add... |
8903 8904 8905 8906 8907 8908 8909 8910 8911 8912 8913 8914 8915 8916 8917 8918 8919 8920 8921 8922 8923 8924 8925 8926 8927 8928 8929 8930 8931 8932 8933 8934 8935 8936 8937 8938 8939 8940 8941 8942 8943 8944 8945 8946 8947 8948 8949 8950 8951 8952 8953 |
* devlink_port_region_create - create a new address region for a port * * @port: devlink port * @ops: region operations and name * @region_max_snapshots: Maximum supported number of snapshots for region * @region_size: size of region */ struct devlink_region * devlink_port_region_create(struct devlink_port *port, const struct devlink_port_region_ops *ops, u32 region_max_snapshots, u64 region_size) { struct devlink *devlink = port->devlink; struct devlink_region *region; int err = 0; if (WARN_ON(!ops) || WARN_ON(!ops->destructor)) return ERR_PTR(-EINVAL); mutex_lock(&devlink->lock); if (devlink_port_region_get_by_name(port, ops->name)) { err = -EEXIST; goto unlock; } region = kzalloc(sizeof(*region), GFP_KERNEL); if (!region) { err = -ENOMEM; goto unlock; } region->devlink = devlink; region->port = port; region->max_snapshots = region_max_snapshots; region->port_ops = ops; region->size = region_size; INIT_LIST_HEAD(®ion->snapshot_list); list_add_tail(®ion->list, &port->region_list); devlink_nl_region_notify(region, NULL, DEVLINK_CMD_REGION_NEW); mutex_unlock(&devlink->lock); return region; unlock: mutex_unlock(&devlink->lock); return ERR_PTR(err); } EXPORT_SYMBOL_GPL(devlink_port_region_create); /** |
b16ebe925 devlink: Add supp... |
8954 8955 8956 8957 8958 8959 8960 |
* devlink_region_destroy - destroy address region * * @region: devlink region to destroy */ void devlink_region_destroy(struct devlink_region *region) { struct devlink *devlink = region->devlink; |
d7e527228 devlink: Add supp... |
8961 |
struct devlink_snapshot *snapshot, *ts; |
b16ebe925 devlink: Add supp... |
8962 8963 |
mutex_lock(&devlink->lock); |
d7e527228 devlink: Add supp... |
8964 8965 8966 |
/* Free all snapshots of region */ list_for_each_entry_safe(snapshot, ts, ®ion->snapshot_list, list) |
92b498222 devlink: send not... |
8967 |
devlink_region_snapshot_del(region, snapshot); |
d7e527228 devlink: Add supp... |
8968 |
|
b16ebe925 devlink: Add supp... |
8969 |
list_del(®ion->list); |
866319bb9 devlink: Add supp... |
8970 8971 |
devlink_nl_region_notify(region, NULL, DEVLINK_CMD_REGION_DEL); |
b16ebe925 devlink: Add supp... |
8972 8973 8974 8975 |
mutex_unlock(&devlink->lock); kfree(region); } EXPORT_SYMBOL_GPL(devlink_region_destroy); |
ccadfa444 devlink: Add call... |
8976 |
/** |
b0efcae5e devlink: correct ... |
8977 |
* devlink_region_snapshot_id_get - get snapshot ID |
ccadfa444 devlink: Add call... |
8978 8979 8980 8981 8982 |
* * This callback should be called when adding a new snapshot, * Driver should use the same id for multiple snapshots taken * on multiple regions at the same time/by the same trigger. * |
12102436a devlink: track sn... |
8983 8984 8985 |
* The caller of this function must use devlink_region_snapshot_id_put * when finished creating regions using this id. * |
7ef19d3b1 devlink: report e... |
8986 8987 |
* Returns zero on success, or a negative error code on failure. * |
ccadfa444 devlink: Add call... |
8988 |
* @devlink: devlink |
7ef19d3b1 devlink: report e... |
8989 |
* @id: storage to return id |
ccadfa444 devlink: Add call... |
8990 |
*/ |
7ef19d3b1 devlink: report e... |
8991 |
int devlink_region_snapshot_id_get(struct devlink *devlink, u32 *id) |
ccadfa444 devlink: Add call... |
8992 |
{ |
7ef19d3b1 devlink: report e... |
8993 |
int err; |
ccadfa444 devlink: Add call... |
8994 8995 |
mutex_lock(&devlink->lock); |
7ef19d3b1 devlink: report e... |
8996 |
err = __devlink_region_snapshot_id_get(devlink, id); |
ccadfa444 devlink: Add call... |
8997 |
mutex_unlock(&devlink->lock); |
7ef19d3b1 devlink: report e... |
8998 |
return err; |
ccadfa444 devlink: Add call... |
8999 |
} |
b0efcae5e devlink: correct ... |
9000 |
EXPORT_SYMBOL_GPL(devlink_region_snapshot_id_get); |
ccadfa444 devlink: Add call... |
9001 |
|
d7e527228 devlink: Add supp... |
9002 |
/** |
12102436a devlink: track sn... |
9003 9004 9005 9006 9007 9008 9009 9010 9011 9012 9013 9014 9015 9016 9017 9018 9019 9020 |
* devlink_region_snapshot_id_put - put snapshot ID reference * * This should be called by a driver after finishing creating snapshots * with an id. Doing so ensures that the ID can later be released in the * event that all snapshots using it have been destroyed. * * @devlink: devlink * @id: id to release reference on */ void devlink_region_snapshot_id_put(struct devlink *devlink, u32 id) { mutex_lock(&devlink->lock); __devlink_snapshot_id_decrement(devlink, id); mutex_unlock(&devlink->lock); } EXPORT_SYMBOL_GPL(devlink_region_snapshot_id_put); /** |
d7e527228 devlink: Add supp... |
9021 9022 9023 |
* devlink_region_snapshot_create - create a new snapshot * This will add a new snapshot of a region. The snapshot * will be stored on the region struct and can be accessed |
6d82f67e2 devlink: trivial:... |
9024 |
* from devlink. This is useful for future analyses of snapshots. |
d7e527228 devlink: Add supp... |
9025 9026 9027 |
* Multiple snapshots can be created on a region. * The @snapshot_id should be obtained using the getter function. * |
eeaadd828 devlink: fix kdoc |
9028 |
* @region: devlink region of the snapshot |
d7e527228 devlink: Add supp... |
9029 9030 |
* @data: snapshot data * @snapshot_id: snapshot id to be created |
d7e527228 devlink: Add supp... |
9031 |
*/ |
3a5e52347 devlink: remove p... |
9032 |
int devlink_region_snapshot_create(struct devlink_region *region, |
a0a09f6bb devlink: convert ... |
9033 |
u8 *data, u32 snapshot_id) |
d7e527228 devlink: Add supp... |
9034 9035 |
{ struct devlink *devlink = region->devlink; |
d7e527228 devlink: Add supp... |
9036 9037 9038 |
int err; mutex_lock(&devlink->lock); |
cf80faee7 devlink: add func... |
9039 |
err = __devlink_region_snapshot_create(region, data, snapshot_id); |
d7e527228 devlink: Add supp... |
9040 |
mutex_unlock(&devlink->lock); |
d7e527228 devlink: Add supp... |
9041 |
|
d7e527228 devlink: Add supp... |
9042 9043 9044 |
return err; } EXPORT_SYMBOL_GPL(devlink_region_snapshot_create); |
0f420b6c5 devlink: Add pack... |
9045 9046 9047 9048 9049 9050 9051 9052 |
#define DEVLINK_TRAP(_id, _type) \ { \ .type = DEVLINK_TRAP_TYPE_##_type, \ .id = DEVLINK_TRAP_GENERIC_ID_##_id, \ .name = DEVLINK_TRAP_GENERIC_NAME_##_id, \ } static const struct devlink_trap devlink_trap_generic[] = { |
391203ab1 devlink: Add gene... |
9053 9054 9055 9056 9057 9058 9059 9060 9061 |
DEVLINK_TRAP(SMAC_MC, DROP), DEVLINK_TRAP(VLAN_TAG_MISMATCH, DROP), DEVLINK_TRAP(INGRESS_VLAN_FILTER, DROP), DEVLINK_TRAP(INGRESS_STP_FILTER, DROP), DEVLINK_TRAP(EMPTY_TX_LIST, DROP), DEVLINK_TRAP(PORT_LOOPBACK_FILTER, DROP), DEVLINK_TRAP(BLACKHOLE_ROUTE, DROP), DEVLINK_TRAP(TTL_ERROR, EXCEPTION), DEVLINK_TRAP(TAIL_DROP, DROP), |
6896cc4d8 devlink: Add laye... |
9062 9063 9064 9065 9066 9067 9068 9069 9070 |
DEVLINK_TRAP(NON_IP_PACKET, DROP), DEVLINK_TRAP(UC_DIP_MC_DMAC, DROP), DEVLINK_TRAP(DIP_LB, DROP), DEVLINK_TRAP(SIP_MC, DROP), DEVLINK_TRAP(SIP_LB, DROP), DEVLINK_TRAP(CORRUPTED_IP_HDR, DROP), DEVLINK_TRAP(IPV4_SIP_BC, DROP), DEVLINK_TRAP(IPV6_MC_DIP_RESERVED_SCOPE, DROP), DEVLINK_TRAP(IPV6_MC_DIP_INTERFACE_LOCAL_SCOPE, DROP), |
3b063ae57 devlink: Add laye... |
9071 9072 9073 9074 9075 9076 |
DEVLINK_TRAP(MTU_ERROR, EXCEPTION), DEVLINK_TRAP(UNRESOLVED_NEIGH, EXCEPTION), DEVLINK_TRAP(RPF, EXCEPTION), DEVLINK_TRAP(REJECT_ROUTE, EXCEPTION), DEVLINK_TRAP(IPV4_LPM_UNICAST_MISS, EXCEPTION), DEVLINK_TRAP(IPV6_LPM_UNICAST_MISS, EXCEPTION), |
95f0ead8f devlink: Add non-... |
9077 |
DEVLINK_TRAP(NON_ROUTABLE, DROP), |
13c056ec7 devlink: Add tunn... |
9078 |
DEVLINK_TRAP(DECAP_ERROR, EXCEPTION), |
c3cae4916 devlink: Add over... |
9079 |
DEVLINK_TRAP(OVERLAY_SMAC_MC, DROP), |
ecd942a0e devlink: add ACL ... |
9080 9081 |
DEVLINK_TRAP(INGRESS_FLOW_ACTION_DROP, DROP), DEVLINK_TRAP(EGRESS_FLOW_ACTION_DROP, DROP), |
515eac677 devlink: Add laye... |
9082 9083 9084 9085 9086 9087 9088 9089 9090 9091 9092 9093 |
DEVLINK_TRAP(STP, CONTROL), DEVLINK_TRAP(LACP, CONTROL), DEVLINK_TRAP(LLDP, CONTROL), DEVLINK_TRAP(IGMP_QUERY, CONTROL), DEVLINK_TRAP(IGMP_V1_REPORT, CONTROL), DEVLINK_TRAP(IGMP_V2_REPORT, CONTROL), DEVLINK_TRAP(IGMP_V3_REPORT, CONTROL), DEVLINK_TRAP(IGMP_V2_LEAVE, CONTROL), DEVLINK_TRAP(MLD_QUERY, CONTROL), DEVLINK_TRAP(MLD_V1_REPORT, CONTROL), DEVLINK_TRAP(MLD_V2_REPORT, CONTROL), DEVLINK_TRAP(MLD_V1_DONE, CONTROL), |
d77cfd162 devlink: Add laye... |
9094 9095 9096 9097 9098 9099 9100 9101 9102 9103 9104 9105 9106 9107 9108 9109 9110 9111 9112 9113 9114 9115 9116 9117 9118 9119 9120 9121 9122 9123 |
DEVLINK_TRAP(IPV4_DHCP, CONTROL), DEVLINK_TRAP(IPV6_DHCP, CONTROL), DEVLINK_TRAP(ARP_REQUEST, CONTROL), DEVLINK_TRAP(ARP_RESPONSE, CONTROL), DEVLINK_TRAP(ARP_OVERLAY, CONTROL), DEVLINK_TRAP(IPV6_NEIGH_SOLICIT, CONTROL), DEVLINK_TRAP(IPV6_NEIGH_ADVERT, CONTROL), DEVLINK_TRAP(IPV4_BFD, CONTROL), DEVLINK_TRAP(IPV6_BFD, CONTROL), DEVLINK_TRAP(IPV4_OSPF, CONTROL), DEVLINK_TRAP(IPV6_OSPF, CONTROL), DEVLINK_TRAP(IPV4_BGP, CONTROL), DEVLINK_TRAP(IPV6_BGP, CONTROL), DEVLINK_TRAP(IPV4_VRRP, CONTROL), DEVLINK_TRAP(IPV6_VRRP, CONTROL), DEVLINK_TRAP(IPV4_PIM, CONTROL), DEVLINK_TRAP(IPV6_PIM, CONTROL), DEVLINK_TRAP(UC_LB, CONTROL), DEVLINK_TRAP(LOCAL_ROUTE, CONTROL), DEVLINK_TRAP(EXTERNAL_ROUTE, CONTROL), DEVLINK_TRAP(IPV6_UC_DIP_LINK_LOCAL_SCOPE, CONTROL), DEVLINK_TRAP(IPV6_DIP_ALL_NODES, CONTROL), DEVLINK_TRAP(IPV6_DIP_ALL_ROUTERS, CONTROL), DEVLINK_TRAP(IPV6_ROUTER_SOLICIT, CONTROL), DEVLINK_TRAP(IPV6_ROUTER_ADVERT, CONTROL), DEVLINK_TRAP(IPV6_REDIRECT, CONTROL), DEVLINK_TRAP(IPV4_ROUTER_ALERT, CONTROL), DEVLINK_TRAP(IPV6_ROUTER_ALERT, CONTROL), DEVLINK_TRAP(PTP_EVENT, CONTROL), DEVLINK_TRAP(PTP_GENERAL, CONTROL), |
5eb18a2b6 devlink: Add ACL ... |
9124 9125 |
DEVLINK_TRAP(FLOW_ACTION_SAMPLE, CONTROL), DEVLINK_TRAP(FLOW_ACTION_TRAP, CONTROL), |
08e335f6a devlink: Add earl... |
9126 |
DEVLINK_TRAP(EARLY_DROP, DROP), |
10c24eb23 devlink: add pars... |
9127 9128 9129 9130 9131 9132 9133 9134 9135 9136 9137 9138 9139 9140 9141 9142 |
DEVLINK_TRAP(VXLAN_PARSING, DROP), DEVLINK_TRAP(LLC_SNAP_PARSING, DROP), DEVLINK_TRAP(VLAN_PARSING, DROP), DEVLINK_TRAP(PPPOE_PPP_PARSING, DROP), DEVLINK_TRAP(MPLS_PARSING, DROP), DEVLINK_TRAP(ARP_PARSING, DROP), DEVLINK_TRAP(IP_1_PARSING, DROP), DEVLINK_TRAP(IP_N_PARSING, DROP), DEVLINK_TRAP(GRE_PARSING, DROP), DEVLINK_TRAP(UDP_PARSING, DROP), DEVLINK_TRAP(TCP_PARSING, DROP), DEVLINK_TRAP(IPSEC_PARSING, DROP), DEVLINK_TRAP(SCTP_PARSING, DROP), DEVLINK_TRAP(DCCP_PARSING, DROP), DEVLINK_TRAP(GTP_PARSING, DROP), DEVLINK_TRAP(ESP_PARSING, DROP), |
f0a5013e2 devlink: Add blac... |
9143 |
DEVLINK_TRAP(BLACKHOLE_NEXTHOP, DROP), |
0f420b6c5 devlink: Add pack... |
9144 9145 9146 9147 9148 9149 9150 9151 9152 |
}; #define DEVLINK_TRAP_GROUP(_id) \ { \ .id = DEVLINK_TRAP_GROUP_GENERIC_ID_##_id, \ .name = DEVLINK_TRAP_GROUP_GENERIC_NAME_##_id, \ } static const struct devlink_trap_group devlink_trap_group_generic[] = { |
391203ab1 devlink: Add gene... |
9153 9154 |
DEVLINK_TRAP_GROUP(L2_DROPS), DEVLINK_TRAP_GROUP(L3_DROPS), |
678eb199c devlink: Create d... |
9155 |
DEVLINK_TRAP_GROUP(L3_EXCEPTIONS), |
391203ab1 devlink: Add gene... |
9156 |
DEVLINK_TRAP_GROUP(BUFFER_DROPS), |
13c056ec7 devlink: Add tunn... |
9157 |
DEVLINK_TRAP_GROUP(TUNNEL_DROPS), |
ecd942a0e devlink: add ACL ... |
9158 |
DEVLINK_TRAP_GROUP(ACL_DROPS), |
515eac677 devlink: Add laye... |
9159 9160 9161 9162 |
DEVLINK_TRAP_GROUP(STP), DEVLINK_TRAP_GROUP(LACP), DEVLINK_TRAP_GROUP(LLDP), DEVLINK_TRAP_GROUP(MC_SNOOPING), |
d77cfd162 devlink: Add laye... |
9163 9164 9165 9166 9167 9168 9169 9170 9171 |
DEVLINK_TRAP_GROUP(DHCP), DEVLINK_TRAP_GROUP(NEIGH_DISCOVERY), DEVLINK_TRAP_GROUP(BFD), DEVLINK_TRAP_GROUP(OSPF), DEVLINK_TRAP_GROUP(BGP), DEVLINK_TRAP_GROUP(VRRP), DEVLINK_TRAP_GROUP(PIM), DEVLINK_TRAP_GROUP(UC_LB), DEVLINK_TRAP_GROUP(LOCAL_DELIVERY), |
ec4f5b361 mlxsw: spectrum: ... |
9172 |
DEVLINK_TRAP_GROUP(EXTERNAL_DELIVERY), |
d77cfd162 devlink: Add laye... |
9173 9174 9175 |
DEVLINK_TRAP_GROUP(IPV6), DEVLINK_TRAP_GROUP(PTP_EVENT), DEVLINK_TRAP_GROUP(PTP_GENERAL), |
5eb18a2b6 devlink: Add ACL ... |
9176 9177 |
DEVLINK_TRAP_GROUP(ACL_SAMPLE), DEVLINK_TRAP_GROUP(ACL_TRAP), |
10c24eb23 devlink: add pars... |
9178 |
DEVLINK_TRAP_GROUP(PARSER_ERROR_DROPS), |
0f420b6c5 devlink: Add pack... |
9179 9180 9181 9182 9183 9184 9185 9186 9187 9188 9189 9190 9191 9192 9193 9194 9195 9196 9197 9198 9199 9200 9201 9202 9203 9204 9205 9206 9207 9208 9209 9210 9211 |
}; static int devlink_trap_generic_verify(const struct devlink_trap *trap) { if (trap->id > DEVLINK_TRAP_GENERIC_ID_MAX) return -EINVAL; if (strcmp(trap->name, devlink_trap_generic[trap->id].name)) return -EINVAL; if (trap->type != devlink_trap_generic[trap->id].type) return -EINVAL; return 0; } static int devlink_trap_driver_verify(const struct devlink_trap *trap) { int i; if (trap->id <= DEVLINK_TRAP_GENERIC_ID_MAX) return -EINVAL; for (i = 0; i < ARRAY_SIZE(devlink_trap_generic); i++) { if (!strcmp(trap->name, devlink_trap_generic[i].name)) return -EEXIST; } return 0; } static int devlink_trap_verify(const struct devlink_trap *trap) { |
107f16789 devlink: Only pas... |
9212 |
if (!trap || !trap->name) |
0f420b6c5 devlink: Add pack... |
9213 9214 9215 9216 9217 9218 9219 9220 9221 9222 9223 9224 9225 9226 9227 9228 9229 9230 9231 9232 9233 9234 9235 9236 9237 9238 9239 9240 9241 9242 9243 9244 9245 9246 9247 9248 9249 9250 9251 9252 9253 9254 9255 9256 9257 9258 9259 9260 9261 9262 9263 9264 9265 9266 9267 9268 9269 9270 9271 9272 9273 9274 9275 9276 9277 9278 9279 9280 9281 |
return -EINVAL; if (trap->generic) return devlink_trap_generic_verify(trap); else return devlink_trap_driver_verify(trap); } static int devlink_trap_group_generic_verify(const struct devlink_trap_group *group) { if (group->id > DEVLINK_TRAP_GROUP_GENERIC_ID_MAX) return -EINVAL; if (strcmp(group->name, devlink_trap_group_generic[group->id].name)) return -EINVAL; return 0; } static int devlink_trap_group_driver_verify(const struct devlink_trap_group *group) { int i; if (group->id <= DEVLINK_TRAP_GROUP_GENERIC_ID_MAX) return -EINVAL; for (i = 0; i < ARRAY_SIZE(devlink_trap_group_generic); i++) { if (!strcmp(group->name, devlink_trap_group_generic[i].name)) return -EEXIST; } return 0; } static int devlink_trap_group_verify(const struct devlink_trap_group *group) { if (group->generic) return devlink_trap_group_generic_verify(group); else return devlink_trap_group_driver_verify(group); } static void devlink_trap_group_notify(struct devlink *devlink, const struct devlink_trap_group_item *group_item, enum devlink_command cmd) { struct sk_buff *msg; int err; WARN_ON_ONCE(cmd != DEVLINK_CMD_TRAP_GROUP_NEW && cmd != DEVLINK_CMD_TRAP_GROUP_DEL); msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); if (!msg) return; err = devlink_nl_trap_group_fill(msg, devlink, group_item, cmd, 0, 0, 0); if (err) { nlmsg_free(msg); return; } genlmsg_multicast_netns(&devlink_nl_family, devlink_net(devlink), msg, 0, DEVLINK_MCGRP_CONFIG, GFP_KERNEL); } |
0f420b6c5 devlink: Add pack... |
9282 9283 9284 9285 |
static int devlink_trap_item_group_link(struct devlink *devlink, struct devlink_trap_item *trap_item) { |
107f16789 devlink: Only pas... |
9286 |
u16 group_id = trap_item->trap->init_group_id; |
0f420b6c5 devlink: Add pack... |
9287 |
struct devlink_trap_group_item *group_item; |
107f16789 devlink: Only pas... |
9288 |
group_item = devlink_trap_group_item_lookup_by_id(devlink, group_id); |
a09b37fc8 devlink: Stop ref... |
9289 9290 |
if (WARN_ON_ONCE(!group_item)) return -EINVAL; |
0f420b6c5 devlink: Add pack... |
9291 9292 9293 9294 9295 |
trap_item->group_item = group_item; return 0; } |
0f420b6c5 devlink: Add pack... |
9296 9297 9298 9299 9300 9301 9302 9303 9304 9305 9306 9307 9308 9309 9310 9311 9312 9313 9314 9315 9316 9317 9318 9319 9320 9321 9322 9323 9324 9325 9326 9327 9328 9329 9330 9331 9332 9333 9334 9335 9336 9337 9338 9339 9340 9341 9342 9343 9344 9345 9346 9347 9348 9349 9350 9351 9352 9353 9354 9355 9356 9357 |
static void devlink_trap_notify(struct devlink *devlink, const struct devlink_trap_item *trap_item, enum devlink_command cmd) { struct sk_buff *msg; int err; WARN_ON_ONCE(cmd != DEVLINK_CMD_TRAP_NEW && cmd != DEVLINK_CMD_TRAP_DEL); msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); if (!msg) return; err = devlink_nl_trap_fill(msg, devlink, trap_item, cmd, 0, 0, 0); if (err) { nlmsg_free(msg); return; } genlmsg_multicast_netns(&devlink_nl_family, devlink_net(devlink), msg, 0, DEVLINK_MCGRP_CONFIG, GFP_KERNEL); } static int devlink_trap_register(struct devlink *devlink, const struct devlink_trap *trap, void *priv) { struct devlink_trap_item *trap_item; int err; if (devlink_trap_item_lookup(devlink, trap->name)) return -EEXIST; trap_item = kzalloc(sizeof(*trap_item), GFP_KERNEL); if (!trap_item) return -ENOMEM; trap_item->stats = netdev_alloc_pcpu_stats(struct devlink_stats); if (!trap_item->stats) { err = -ENOMEM; goto err_stats_alloc; } trap_item->trap = trap; trap_item->action = trap->init_action; trap_item->priv = priv; err = devlink_trap_item_group_link(devlink, trap_item); if (err) goto err_group_link; err = devlink->ops->trap_init(devlink, trap, trap_item); if (err) goto err_trap_init; list_add_tail(&trap_item->list, &devlink->trap_list); devlink_trap_notify(devlink, trap_item, DEVLINK_CMD_TRAP_NEW); return 0; err_trap_init: |
0f420b6c5 devlink: Add pack... |
9358 9359 9360 9361 9362 9363 9364 9365 9366 9367 9368 9369 9370 9371 9372 9373 9374 9375 9376 9377 |
err_group_link: free_percpu(trap_item->stats); err_stats_alloc: kfree(trap_item); return err; } static void devlink_trap_unregister(struct devlink *devlink, const struct devlink_trap *trap) { struct devlink_trap_item *trap_item; trap_item = devlink_trap_item_lookup(devlink, trap->name); if (WARN_ON_ONCE(!trap_item)) return; devlink_trap_notify(devlink, trap_item, DEVLINK_CMD_TRAP_DEL); list_del(&trap_item->list); if (devlink->ops->trap_fini) devlink->ops->trap_fini(devlink, trap, trap_item); |
0f420b6c5 devlink: Add pack... |
9378 9379 9380 9381 9382 9383 9384 9385 9386 9387 9388 9389 |
free_percpu(trap_item->stats); kfree(trap_item); } static void devlink_trap_disable(struct devlink *devlink, const struct devlink_trap *trap) { struct devlink_trap_item *trap_item; trap_item = devlink_trap_item_lookup(devlink, trap->name); if (WARN_ON_ONCE(!trap_item)) return; |
c88e11e04 devlink: Pass ext... |
9390 9391 |
devlink->ops->trap_action_set(devlink, trap, DEVLINK_TRAP_ACTION_DROP, NULL); |
0f420b6c5 devlink: Add pack... |
9392 9393 9394 9395 9396 9397 9398 9399 9400 9401 9402 9403 9404 9405 9406 9407 9408 9409 9410 9411 9412 9413 9414 9415 9416 9417 9418 9419 9420 9421 9422 9423 9424 9425 9426 9427 9428 9429 9430 9431 9432 9433 9434 9435 9436 9437 9438 9439 9440 9441 9442 9443 9444 9445 9446 9447 9448 9449 9450 9451 9452 9453 9454 9455 9456 9457 9458 9459 9460 9461 9462 9463 9464 9465 9466 9467 9468 9469 9470 9471 9472 9473 9474 9475 9476 |
trap_item->action = DEVLINK_TRAP_ACTION_DROP; } /** * devlink_traps_register - Register packet traps with devlink. * @devlink: devlink. * @traps: Packet traps. * @traps_count: Count of provided packet traps. * @priv: Driver private information. * * Return: Non-zero value on failure. */ int devlink_traps_register(struct devlink *devlink, const struct devlink_trap *traps, size_t traps_count, void *priv) { int i, err; if (!devlink->ops->trap_init || !devlink->ops->trap_action_set) return -EINVAL; mutex_lock(&devlink->lock); for (i = 0; i < traps_count; i++) { const struct devlink_trap *trap = &traps[i]; err = devlink_trap_verify(trap); if (err) goto err_trap_verify; err = devlink_trap_register(devlink, trap, priv); if (err) goto err_trap_register; } mutex_unlock(&devlink->lock); return 0; err_trap_register: err_trap_verify: for (i--; i >= 0; i--) devlink_trap_unregister(devlink, &traps[i]); mutex_unlock(&devlink->lock); return err; } EXPORT_SYMBOL_GPL(devlink_traps_register); /** * devlink_traps_unregister - Unregister packet traps from devlink. * @devlink: devlink. * @traps: Packet traps. * @traps_count: Count of provided packet traps. */ void devlink_traps_unregister(struct devlink *devlink, const struct devlink_trap *traps, size_t traps_count) { int i; mutex_lock(&devlink->lock); /* Make sure we do not have any packets in-flight while unregistering * traps by disabling all of them and waiting for a grace period. */ for (i = traps_count - 1; i >= 0; i--) devlink_trap_disable(devlink, &traps[i]); synchronize_rcu(); for (i = traps_count - 1; i >= 0; i--) devlink_trap_unregister(devlink, &traps[i]); mutex_unlock(&devlink->lock); } EXPORT_SYMBOL_GPL(devlink_traps_unregister); static void devlink_trap_stats_update(struct devlink_stats __percpu *trap_stats, size_t skb_len) { struct devlink_stats *stats; stats = this_cpu_ptr(trap_stats); u64_stats_update_begin(&stats->syncp); stats->rx_bytes += skb_len; stats->rx_packets++; u64_stats_update_end(&stats->syncp); } static void |
5b88823bf devlink: Add a tr... |
9477 9478 9479 9480 9481 9482 9483 9484 |
devlink_trap_report_metadata_set(struct devlink_trap_metadata *metadata, const struct devlink_trap_item *trap_item, struct devlink_port *in_devlink_port, const struct flow_action_cookie *fa_cookie) { metadata->trap_name = trap_item->trap->name; metadata->trap_group_name = trap_item->group_item->group->name; metadata->fa_cookie = fa_cookie; |
93e155967 drop_monitor: Fil... |
9485 |
metadata->trap_type = trap_item->trap->type; |
5b88823bf devlink: Add a tr... |
9486 9487 9488 9489 9490 9491 |
spin_lock(&in_devlink_port->type_lock); if (in_devlink_port->type == DEVLINK_PORT_TYPE_ETH) metadata->input_dev = in_devlink_port->type_dev; spin_unlock(&in_devlink_port->type_lock); } |
0f420b6c5 devlink: Add pack... |
9492 9493 9494 9495 9496 9497 |
/** * devlink_trap_report - Report trapped packet to drop monitor. * @devlink: devlink. * @skb: Trapped packet. * @trap_ctx: Trap context. * @in_devlink_port: Input devlink port. |
5a2e106c7 devlink: extend d... |
9498 |
* @fa_cookie: Flow action cookie. Could be NULL. |
0f420b6c5 devlink: Add pack... |
9499 9500 |
*/ void devlink_trap_report(struct devlink *devlink, struct sk_buff *skb, |
5a2e106c7 devlink: extend d... |
9501 9502 |
void *trap_ctx, struct devlink_port *in_devlink_port, const struct flow_action_cookie *fa_cookie) |
0f420b6c5 devlink: Add pack... |
9503 9504 |
{ struct devlink_trap_item *trap_item = trap_ctx; |
0f420b6c5 devlink: Add pack... |
9505 9506 9507 |
devlink_trap_stats_update(trap_item->stats, skb->len); devlink_trap_stats_update(trap_item->group_item->stats, skb->len); |
5b88823bf devlink: Add a tr... |
9508 9509 9510 9511 9512 9513 9514 |
if (trace_devlink_trap_report_enabled()) { struct devlink_trap_metadata metadata = {}; devlink_trap_report_metadata_set(&metadata, trap_item, in_devlink_port, fa_cookie); trace_devlink_trap_report(devlink, skb, &metadata); } |
0f420b6c5 devlink: Add pack... |
9515 9516 9517 9518 9519 9520 9521 9522 9523 9524 9525 9526 9527 9528 9529 9530 |
} EXPORT_SYMBOL_GPL(devlink_trap_report); /** * devlink_trap_ctx_priv - Trap context to driver private information. * @trap_ctx: Trap context. * * Return: Driver private information passed during registration. */ void *devlink_trap_ctx_priv(void *trap_ctx) { struct devlink_trap_item *trap_item = trap_ctx; return trap_item->priv; } EXPORT_SYMBOL_GPL(devlink_trap_ctx_priv); |
95ad9555b devlink: Add API ... |
9531 |
static int |
f9f54392d devlink: Add pack... |
9532 9533 9534 9535 9536 9537 9538 9539 9540 9541 9542 9543 9544 9545 9546 9547 9548 9549 9550 |
devlink_trap_group_item_policer_link(struct devlink *devlink, struct devlink_trap_group_item *group_item) { u32 policer_id = group_item->group->init_policer_id; struct devlink_trap_policer_item *policer_item; if (policer_id == 0) return 0; policer_item = devlink_trap_policer_item_lookup(devlink, policer_id); if (WARN_ON_ONCE(!policer_item)) return -EINVAL; group_item->policer_item = policer_item; return 0; } static int |
95ad9555b devlink: Add API ... |
9551 9552 9553 9554 9555 9556 9557 9558 9559 9560 9561 9562 9563 9564 9565 9566 9567 9568 9569 9570 |
devlink_trap_group_register(struct devlink *devlink, const struct devlink_trap_group *group) { struct devlink_trap_group_item *group_item; int err; if (devlink_trap_group_item_lookup(devlink, group->name)) return -EEXIST; group_item = kzalloc(sizeof(*group_item), GFP_KERNEL); if (!group_item) return -ENOMEM; group_item->stats = netdev_alloc_pcpu_stats(struct devlink_stats); if (!group_item->stats) { err = -ENOMEM; goto err_stats_alloc; } group_item->group = group; |
95ad9555b devlink: Add API ... |
9571 |
|
f9f54392d devlink: Add pack... |
9572 9573 9574 |
err = devlink_trap_group_item_policer_link(devlink, group_item); if (err) goto err_policer_link; |
95ad9555b devlink: Add API ... |
9575 9576 9577 9578 9579 9580 9581 9582 9583 9584 9585 9586 9587 |
if (devlink->ops->trap_group_init) { err = devlink->ops->trap_group_init(devlink, group); if (err) goto err_group_init; } list_add_tail(&group_item->list, &devlink->trap_group_list); devlink_trap_group_notify(devlink, group_item, DEVLINK_CMD_TRAP_GROUP_NEW); return 0; err_group_init: |
f9f54392d devlink: Add pack... |
9588 |
err_policer_link: |
95ad9555b devlink: Add API ... |
9589 9590 9591 9592 9593 9594 9595 9596 9597 9598 9599 9600 9601 9602 9603 9604 9605 9606 9607 9608 9609 9610 9611 9612 9613 9614 9615 9616 9617 9618 9619 9620 9621 9622 9623 9624 9625 9626 9627 9628 9629 9630 9631 9632 9633 9634 9635 9636 9637 9638 9639 9640 9641 9642 9643 9644 9645 9646 9647 9648 9649 9650 9651 9652 9653 9654 9655 9656 9657 9658 9659 9660 9661 9662 9663 9664 9665 9666 9667 9668 |
free_percpu(group_item->stats); err_stats_alloc: kfree(group_item); return err; } static void devlink_trap_group_unregister(struct devlink *devlink, const struct devlink_trap_group *group) { struct devlink_trap_group_item *group_item; group_item = devlink_trap_group_item_lookup(devlink, group->name); if (WARN_ON_ONCE(!group_item)) return; devlink_trap_group_notify(devlink, group_item, DEVLINK_CMD_TRAP_GROUP_DEL); list_del(&group_item->list); free_percpu(group_item->stats); kfree(group_item); } /** * devlink_trap_groups_register - Register packet trap groups with devlink. * @devlink: devlink. * @groups: Packet trap groups. * @groups_count: Count of provided packet trap groups. * * Return: Non-zero value on failure. */ int devlink_trap_groups_register(struct devlink *devlink, const struct devlink_trap_group *groups, size_t groups_count) { int i, err; mutex_lock(&devlink->lock); for (i = 0; i < groups_count; i++) { const struct devlink_trap_group *group = &groups[i]; err = devlink_trap_group_verify(group); if (err) goto err_trap_group_verify; err = devlink_trap_group_register(devlink, group); if (err) goto err_trap_group_register; } mutex_unlock(&devlink->lock); return 0; err_trap_group_register: err_trap_group_verify: for (i--; i >= 0; i--) devlink_trap_group_unregister(devlink, &groups[i]); mutex_unlock(&devlink->lock); return err; } EXPORT_SYMBOL_GPL(devlink_trap_groups_register); /** * devlink_trap_groups_unregister - Unregister packet trap groups from devlink. * @devlink: devlink. * @groups: Packet trap groups. * @groups_count: Count of provided packet trap groups. */ void devlink_trap_groups_unregister(struct devlink *devlink, const struct devlink_trap_group *groups, size_t groups_count) { int i; mutex_lock(&devlink->lock); for (i = groups_count - 1; i >= 0; i--) devlink_trap_group_unregister(devlink, &groups[i]); mutex_unlock(&devlink->lock); } EXPORT_SYMBOL_GPL(devlink_trap_groups_unregister); |
1e8c66198 devlink: Add pack... |
9669 9670 9671 9672 9673 9674 9675 9676 9677 9678 9679 9680 9681 9682 9683 9684 9685 9686 9687 9688 9689 9690 9691 9692 9693 9694 9695 9696 9697 9698 9699 9700 9701 9702 9703 9704 9705 9706 9707 9708 9709 9710 9711 9712 9713 9714 9715 9716 9717 9718 9719 9720 9721 9722 9723 9724 9725 9726 9727 9728 9729 9730 9731 9732 9733 9734 9735 9736 9737 9738 9739 9740 9741 9742 9743 9744 9745 9746 9747 9748 9749 9750 9751 9752 9753 9754 9755 9756 9757 9758 9759 9760 9761 9762 9763 9764 9765 9766 9767 9768 9769 9770 9771 9772 9773 9774 9775 9776 9777 9778 9779 9780 9781 9782 9783 9784 9785 9786 9787 9788 9789 9790 9791 9792 9793 9794 9795 9796 9797 9798 9799 9800 9801 9802 9803 9804 9805 9806 9807 9808 9809 |
static void devlink_trap_policer_notify(struct devlink *devlink, const struct devlink_trap_policer_item *policer_item, enum devlink_command cmd) { struct sk_buff *msg; int err; WARN_ON_ONCE(cmd != DEVLINK_CMD_TRAP_POLICER_NEW && cmd != DEVLINK_CMD_TRAP_POLICER_DEL); msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); if (!msg) return; err = devlink_nl_trap_policer_fill(msg, devlink, policer_item, cmd, 0, 0, 0); if (err) { nlmsg_free(msg); return; } genlmsg_multicast_netns(&devlink_nl_family, devlink_net(devlink), msg, 0, DEVLINK_MCGRP_CONFIG, GFP_KERNEL); } static int devlink_trap_policer_register(struct devlink *devlink, const struct devlink_trap_policer *policer) { struct devlink_trap_policer_item *policer_item; int err; if (devlink_trap_policer_item_lookup(devlink, policer->id)) return -EEXIST; policer_item = kzalloc(sizeof(*policer_item), GFP_KERNEL); if (!policer_item) return -ENOMEM; policer_item->policer = policer; policer_item->rate = policer->init_rate; policer_item->burst = policer->init_burst; if (devlink->ops->trap_policer_init) { err = devlink->ops->trap_policer_init(devlink, policer); if (err) goto err_policer_init; } list_add_tail(&policer_item->list, &devlink->trap_policer_list); devlink_trap_policer_notify(devlink, policer_item, DEVLINK_CMD_TRAP_POLICER_NEW); return 0; err_policer_init: kfree(policer_item); return err; } static void devlink_trap_policer_unregister(struct devlink *devlink, const struct devlink_trap_policer *policer) { struct devlink_trap_policer_item *policer_item; policer_item = devlink_trap_policer_item_lookup(devlink, policer->id); if (WARN_ON_ONCE(!policer_item)) return; devlink_trap_policer_notify(devlink, policer_item, DEVLINK_CMD_TRAP_POLICER_DEL); list_del(&policer_item->list); if (devlink->ops->trap_policer_fini) devlink->ops->trap_policer_fini(devlink, policer); kfree(policer_item); } /** * devlink_trap_policers_register - Register packet trap policers with devlink. * @devlink: devlink. * @policers: Packet trap policers. * @policers_count: Count of provided packet trap policers. * * Return: Non-zero value on failure. */ int devlink_trap_policers_register(struct devlink *devlink, const struct devlink_trap_policer *policers, size_t policers_count) { int i, err; mutex_lock(&devlink->lock); for (i = 0; i < policers_count; i++) { const struct devlink_trap_policer *policer = &policers[i]; if (WARN_ON(policer->id == 0 || policer->max_rate < policer->min_rate || policer->max_burst < policer->min_burst)) { err = -EINVAL; goto err_trap_policer_verify; } err = devlink_trap_policer_register(devlink, policer); if (err) goto err_trap_policer_register; } mutex_unlock(&devlink->lock); return 0; err_trap_policer_register: err_trap_policer_verify: for (i--; i >= 0; i--) devlink_trap_policer_unregister(devlink, &policers[i]); mutex_unlock(&devlink->lock); return err; } EXPORT_SYMBOL_GPL(devlink_trap_policers_register); /** * devlink_trap_policers_unregister - Unregister packet trap policers from devlink. * @devlink: devlink. * @policers: Packet trap policers. * @policers_count: Count of provided packet trap policers. */ void devlink_trap_policers_unregister(struct devlink *devlink, const struct devlink_trap_policer *policers, size_t policers_count) { int i; mutex_lock(&devlink->lock); for (i = policers_count - 1; i >= 0; i--) devlink_trap_policer_unregister(devlink, &policers[i]); mutex_unlock(&devlink->lock); } EXPORT_SYMBOL_GPL(devlink_trap_policers_unregister); |
ddb6e99e2 ethtool: add comp... |
9810 9811 9812 9813 9814 9815 9816 |
static void __devlink_compat_running_version(struct devlink *devlink, char *buf, size_t len) { const struct nlattr *nlattr; struct devlink_info_req req; struct sk_buff *msg; int rem, err; |
ddb6e99e2 ethtool: add comp... |
9817 9818 9819 9820 9821 9822 9823 9824 9825 9826 9827 9828 9829 9830 9831 9832 9833 9834 9835 9836 9837 9838 9839 9840 9841 9842 9843 9844 9845 9846 9847 |
msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); if (!msg) return; req.msg = msg; err = devlink->ops->info_get(devlink, &req, NULL); if (err) goto free_msg; nla_for_each_attr(nlattr, (void *)msg->data, msg->len, rem) { const struct nlattr *kv; int rem_kv; if (nla_type(nlattr) != DEVLINK_ATTR_INFO_VERSION_RUNNING) continue; nla_for_each_nested(kv, nlattr, rem_kv) { if (nla_type(kv) != DEVLINK_ATTR_INFO_VERSION_VALUE) continue; strlcat(buf, nla_data(kv), len); strlcat(buf, " ", len); } } free_msg: nlmsg_free(msg); } void devlink_compat_running_version(struct net_device *dev, char *buf, size_t len) { |
ddb6e99e2 ethtool: add comp... |
9848 |
struct devlink *devlink; |
1b45ff6c1 devlink: hold a r... |
9849 9850 |
dev_hold(dev); rtnl_unlock(); |
b473b0d23 devlink: create a... |
9851 |
devlink = netdev_to_devlink(dev); |
be6fe1d8e devlink: require ... |
9852 |
if (!devlink || !devlink->ops->info_get) |
e0dcd386d net: devlink: don... |
9853 |
goto out; |
b473b0d23 devlink: create a... |
9854 9855 9856 9857 |
mutex_lock(&devlink->lock); __devlink_compat_running_version(devlink, buf, len); mutex_unlock(&devlink->lock); |
1b45ff6c1 devlink: hold a r... |
9858 |
|
e0dcd386d net: devlink: don... |
9859 |
out: |
1b45ff6c1 devlink: hold a r... |
9860 9861 |
rtnl_lock(); dev_put(dev); |
ddb6e99e2 ethtool: add comp... |
9862 |
} |
4eceba172 ethtool: add comp... |
9863 9864 |
int devlink_compat_flash_update(struct net_device *dev, const char *file_name) { |
bc75c054f devlink: convert ... |
9865 |
struct devlink_flash_update_params params = {}; |
4eceba172 ethtool: add comp... |
9866 |
struct devlink *devlink; |
e0dcd386d net: devlink: don... |
9867 |
int ret; |
4eceba172 ethtool: add comp... |
9868 |
|
1b45ff6c1 devlink: hold a r... |
9869 9870 |
dev_hold(dev); rtnl_unlock(); |
b473b0d23 devlink: create a... |
9871 |
devlink = netdev_to_devlink(dev); |
e0dcd386d net: devlink: don... |
9872 9873 9874 9875 |
if (!devlink || !devlink->ops->flash_update) { ret = -EOPNOTSUPP; goto out; } |
4eceba172 ethtool: add comp... |
9876 |
|
b44cfd4f5 devlink: move req... |
9877 9878 9879 |
ret = request_firmware(¶ms.fw, file_name, devlink->dev); if (ret) goto out; |
bc75c054f devlink: convert ... |
9880 |
|
b473b0d23 devlink: create a... |
9881 |
mutex_lock(&devlink->lock); |
52cc5f3a1 devlink: move fla... |
9882 |
devlink_flash_update_begin_notify(devlink); |
bc75c054f devlink: convert ... |
9883 |
ret = devlink->ops->flash_update(devlink, ¶ms, NULL); |
52cc5f3a1 devlink: move fla... |
9884 |
devlink_flash_update_end_notify(devlink); |
b473b0d23 devlink: create a... |
9885 |
mutex_unlock(&devlink->lock); |
1b45ff6c1 devlink: hold a r... |
9886 |
|
b44cfd4f5 devlink: move req... |
9887 |
release_firmware(params.fw); |
e0dcd386d net: devlink: don... |
9888 |
out: |
1b45ff6c1 devlink: hold a r... |
9889 9890 |
rtnl_lock(); dev_put(dev); |
b473b0d23 devlink: create a... |
9891 |
return ret; |
4eceba172 ethtool: add comp... |
9892 |
} |
af3836df9 net: devlink: int... |
9893 9894 9895 9896 9897 9898 9899 9900 9901 9902 9903 9904 9905 9906 9907 9908 9909 |
int devlink_compat_phys_port_name_get(struct net_device *dev, char *name, size_t len) { struct devlink_port *devlink_port; /* RTNL mutex is held here which ensures that devlink_port * instance cannot disappear in the middle. No need to take * any devlink lock as only permanent values are accessed. */ ASSERT_RTNL(); devlink_port = netdev_to_devlink_port(dev); if (!devlink_port) return -EOPNOTSUPP; return __devlink_port_phys_port_name_get(devlink_port, name, len); } |
7e1146e8c net: devlink: int... |
9910 9911 9912 9913 |
int devlink_compat_switch_id_get(struct net_device *dev, struct netdev_phys_item_id *ppid) { struct devlink_port *devlink_port; |
043b8413e net: devlink: rem... |
9914 9915 |
/* Caller must hold RTNL mutex or reference to dev, which ensures that * devlink_port instance cannot disappear in the middle. No need to take |
7e1146e8c net: devlink: int... |
9916 9917 |
* any devlink lock as only permanent values are accessed. */ |
7e1146e8c net: devlink: int... |
9918 |
devlink_port = netdev_to_devlink_port(dev); |
46737a194 devlink: Move swi... |
9919 |
if (!devlink_port || !devlink_port->switch_port) |
7e1146e8c net: devlink: int... |
9920 9921 9922 9923 9924 9925 |
return -EOPNOTSUPP; memcpy(ppid, &devlink_port->attrs.switch_id, sizeof(*ppid)); return 0; } |
070c63f20 net: devlink: all... |
9926 9927 9928 |
static void __net_exit devlink_pernet_pre_exit(struct net *net) { struct devlink *devlink; |
ccdf07219 devlink: Add relo... |
9929 |
u32 actions_performed; |
070c63f20 net: devlink: all... |
9930 9931 9932 9933 9934 9935 9936 9937 |
int err; /* In case network namespace is getting destroyed, reload * all devlink instances from this namespace into init_net. */ mutex_lock(&devlink_mutex); list_for_each_entry(devlink, &devlink_list, list) { if (net_eq(devlink_net(devlink), net)) { |
69d56e0ea devlink: Change d... |
9938 |
if (WARN_ON(!devlink_reload_supported(devlink->ops))) |
070c63f20 net: devlink: all... |
9939 |
continue; |
ccdf07219 devlink: Add relo... |
9940 9941 |
err = devlink_reload(devlink, &init_net, DEVLINK_RELOAD_ACTION_DRIVER_REINIT, |
dc64cc7c6 devlink: Add devl... |
9942 |
DEVLINK_RELOAD_LIMIT_UNSPEC, |
ccdf07219 devlink: Add relo... |
9943 |
&actions_performed, NULL); |
a0c76345e devlink: disallow... |
9944 |
if (err && err != -EOPNOTSUPP) |
070c63f20 net: devlink: all... |
9945 9946 9947 9948 9949 9950 9951 9952 9953 9954 |
pr_warn("Failed to reload devlink instance into init_net "); } } mutex_unlock(&devlink_mutex); } static struct pernet_operations devlink_pernet_ops __net_initdata = { .pre_exit = devlink_pernet_pre_exit, }; |
f4b6bcc70 net: devlink: tur... |
9955 |
static int __init devlink_init(void) |
bfcd3a466 Introduce devlink... |
9956 |
{ |
070c63f20 net: devlink: all... |
9957 9958 9959 9960 9961 9962 9963 9964 9965 9966 |
int err; err = genl_register_family(&devlink_nl_family); if (err) goto out; err = register_pernet_subsys(&devlink_pernet_ops); out: WARN_ON(err); return err; |
bfcd3a466 Introduce devlink... |
9967 |
} |
f4b6bcc70 net: devlink: tur... |
9968 |
subsys_initcall(devlink_init); |