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net/ipv4/devinet.c
57.5 KB
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/* * NET3 IP device support routines. * |
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* This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version * 2 of the License, or (at your option) any later version. * * Derived from the IP parts of dev.c 1.0.19 |
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* Authors: Ross Biro |
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* Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG> * Mark Evans, <evansmp@uhura.aston.ac.uk> * * Additional Authors: * Alan Cox, <gw4pts@gw4pts.ampr.org> * Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru> * * Changes: * Alexey Kuznetsov: pa_* fields are replaced with ifaddr * lists. * Cyrus Durgin: updated for kmod * Matthias Andree: in devinet_ioctl, compare label and * address (4.4BSD alias style support), * fall back to comparing just the label * if no match found. */ |
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#include <asm/uaccess.h> |
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#include <linux/bitops.h> |
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#include <linux/capability.h> |
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#include <linux/module.h> #include <linux/types.h> #include <linux/kernel.h> |
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#include <linux/string.h> #include <linux/mm.h> #include <linux/socket.h> #include <linux/sockios.h> #include <linux/in.h> #include <linux/errno.h> #include <linux/interrupt.h> |
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#include <linux/if_addr.h> |
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#include <linux/if_ether.h> #include <linux/inet.h> #include <linux/netdevice.h> #include <linux/etherdevice.h> #include <linux/skbuff.h> |
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#include <linux/init.h> #include <linux/notifier.h> #include <linux/inetdevice.h> #include <linux/igmp.h> |
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#include <linux/slab.h> |
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#include <linux/hash.h> |
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#ifdef CONFIG_SYSCTL #include <linux/sysctl.h> #endif #include <linux/kmod.h> |
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#include <linux/netconf.h> |
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|
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#include <net/arp.h> |
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#include <net/ip.h> #include <net/route.h> #include <net/ip_fib.h> |
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#include <net/rtnetlink.h> |
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#include <net/net_namespace.h> |
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#include <net/addrconf.h> |
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|
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#include "fib_lookup.h" |
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static struct ipv4_devconf ipv4_devconf = { |
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.data = { |
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[IPV4_DEVCONF_ACCEPT_REDIRECTS - 1] = 1, [IPV4_DEVCONF_SEND_REDIRECTS - 1] = 1, [IPV4_DEVCONF_SECURE_REDIRECTS - 1] = 1, [IPV4_DEVCONF_SHARED_MEDIA - 1] = 1, |
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[IPV4_DEVCONF_IGMPV2_UNSOLICITED_REPORT_INTERVAL - 1] = 10000 /*ms*/, [IPV4_DEVCONF_IGMPV3_UNSOLICITED_REPORT_INTERVAL - 1] = 1000 /*ms*/, |
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}, |
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}; static struct ipv4_devconf ipv4_devconf_dflt = { |
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.data = { |
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[IPV4_DEVCONF_ACCEPT_REDIRECTS - 1] = 1, [IPV4_DEVCONF_SEND_REDIRECTS - 1] = 1, [IPV4_DEVCONF_SECURE_REDIRECTS - 1] = 1, [IPV4_DEVCONF_SHARED_MEDIA - 1] = 1, [IPV4_DEVCONF_ACCEPT_SOURCE_ROUTE - 1] = 1, |
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[IPV4_DEVCONF_IGMPV2_UNSOLICITED_REPORT_INTERVAL - 1] = 10000 /*ms*/, [IPV4_DEVCONF_IGMPV3_UNSOLICITED_REPORT_INTERVAL - 1] = 1000 /*ms*/, |
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}, |
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}; |
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#define IPV4_DEVCONF_DFLT(net, attr) \ IPV4_DEVCONF((*net->ipv4.devconf_dflt), attr) |
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|
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static const struct nla_policy ifa_ipv4_policy[IFA_MAX+1] = { |
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[IFA_LOCAL] = { .type = NLA_U32 }, [IFA_ADDRESS] = { .type = NLA_U32 }, [IFA_BROADCAST] = { .type = NLA_U32 }, |
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[IFA_LABEL] = { .type = NLA_STRING, .len = IFNAMSIZ - 1 }, |
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[IFA_CACHEINFO] = { .len = sizeof(struct ifa_cacheinfo) }, |
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[IFA_FLAGS] = { .type = NLA_U32 }, |
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}; |
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#define IN4_ADDR_HSIZE_SHIFT 8 #define IN4_ADDR_HSIZE (1U << IN4_ADDR_HSIZE_SHIFT) |
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static struct hlist_head inet_addr_lst[IN4_ADDR_HSIZE]; |
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|
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static u32 inet_addr_hash(struct net *net, __be32 addr) |
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{ |
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u32 val = (__force u32) addr ^ net_hash_mix(net); |
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|
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return hash_32(val, IN4_ADDR_HSIZE_SHIFT); |
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} static void inet_hash_insert(struct net *net, struct in_ifaddr *ifa) { |
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u32 hash = inet_addr_hash(net, ifa->ifa_local); |
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|
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ASSERT_RTNL(); |
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hlist_add_head_rcu(&ifa->hash, &inet_addr_lst[hash]); |
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} static void inet_hash_remove(struct in_ifaddr *ifa) { |
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ASSERT_RTNL(); |
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hlist_del_init_rcu(&ifa->hash); |
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} |
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/** * __ip_dev_find - find the first device with a given source address. * @net: the net namespace * @addr: the source address * @devref: if true, take a reference on the found device * * If a caller uses devref=false, it should be protected by RCU, or RTNL */ struct net_device *__ip_dev_find(struct net *net, __be32 addr, bool devref) { |
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u32 hash = inet_addr_hash(net, addr); |
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struct net_device *result = NULL; struct in_ifaddr *ifa; |
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rcu_read_lock(); |
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hlist_for_each_entry_rcu(ifa, &inet_addr_lst[hash], hash) { |
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if (ifa->ifa_local == addr) { |
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struct net_device *dev = ifa->ifa_dev->dev; if (!net_eq(dev_net(dev), net)) continue; |
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result = dev; break; } } |
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if (!result) { struct flowi4 fl4 = { .daddr = addr }; struct fib_result res = { 0 }; struct fib_table *local; /* Fallback to FIB local table so that communication * over loopback subnets work. */ local = fib_get_table(net, RT_TABLE_LOCAL); if (local && !fib_table_lookup(local, &fl4, &res, FIB_LOOKUP_NOREF) && res.type == RTN_LOCAL) result = FIB_RES_DEV(res); } |
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if (result && devref) dev_hold(result); rcu_read_unlock(); return result; } EXPORT_SYMBOL(__ip_dev_find); |
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static void rtmsg_ifa(int event, struct in_ifaddr *, struct nlmsghdr *, u32); |
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|
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static BLOCKING_NOTIFIER_HEAD(inetaddr_chain); |
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static void inet_del_ifa(struct in_device *in_dev, struct in_ifaddr **ifap, int destroy); #ifdef CONFIG_SYSCTL |
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static void devinet_sysctl_register(struct in_device *idev); |
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static void devinet_sysctl_unregister(struct in_device *idev); #else |
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static void devinet_sysctl_register(struct in_device *idev) |
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{ } |
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static void devinet_sysctl_unregister(struct in_device *idev) |
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{ } |
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#endif /* Locks all the inet devices. */ static struct in_ifaddr *inet_alloc_ifa(void) { |
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return kzalloc(sizeof(struct in_ifaddr), GFP_KERNEL); |
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} static void inet_rcu_free_ifa(struct rcu_head *head) { struct in_ifaddr *ifa = container_of(head, struct in_ifaddr, rcu_head); if (ifa->ifa_dev) in_dev_put(ifa->ifa_dev); kfree(ifa); } |
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static void inet_free_ifa(struct in_ifaddr *ifa) |
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{ call_rcu(&ifa->rcu_head, inet_rcu_free_ifa); } void in_dev_finish_destroy(struct in_device *idev) { struct net_device *dev = idev->dev; |
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WARN_ON(idev->ifa_list); WARN_ON(idev->mc_list); |
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kfree(rcu_dereference_protected(idev->mc_hash, 1)); |
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#ifdef NET_REFCNT_DEBUG |
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pr_debug("%s: %p=%s ", __func__, idev, dev ? dev->name : "NIL"); |
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#endif dev_put(dev); if (!idev->dead) |
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pr_err("Freeing alive in_device %p ", idev); else |
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kfree(idev); |
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} |
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EXPORT_SYMBOL(in_dev_finish_destroy); |
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|
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static struct in_device *inetdev_init(struct net_device *dev) |
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{ struct in_device *in_dev; ASSERT_RTNL(); |
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in_dev = kzalloc(sizeof(*in_dev), GFP_KERNEL); |
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if (!in_dev) goto out; |
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memcpy(&in_dev->cnf, dev_net(dev)->ipv4.devconf_dflt, |
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sizeof(in_dev->cnf)); |
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in_dev->cnf.sysctl = NULL; in_dev->dev = dev; |
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in_dev->arp_parms = neigh_parms_alloc(dev, &arp_tbl); if (!in_dev->arp_parms) |
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goto out_kfree; |
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if (IPV4_DEVCONF(in_dev->cnf, FORWARDING)) dev_disable_lro(dev); |
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/* Reference in_dev->dev */ dev_hold(dev); |
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/* Account for reference dev->ip_ptr (below) */ |
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in_dev_hold(in_dev); |
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|
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devinet_sysctl_register(in_dev); |
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ip_mc_init_dev(in_dev); if (dev->flags & IFF_UP) ip_mc_up(in_dev); |
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|
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/* we can receive as soon as ip_ptr is set -- do this last */ |
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rcu_assign_pointer(dev->ip_ptr, in_dev); |
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out: |
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return in_dev; out_kfree: kfree(in_dev); in_dev = NULL; goto out; } static void in_dev_rcu_put(struct rcu_head *head) { struct in_device *idev = container_of(head, struct in_device, rcu_head); in_dev_put(idev); } static void inetdev_destroy(struct in_device *in_dev) { struct in_ifaddr *ifa; struct net_device *dev; ASSERT_RTNL(); dev = in_dev->dev; |
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in_dev->dead = 1; ip_mc_destroy_dev(in_dev); while ((ifa = in_dev->ifa_list) != NULL) { inet_del_ifa(in_dev, &in_dev->ifa_list, 0); inet_free_ifa(ifa); } |
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RCU_INIT_POINTER(dev->ip_ptr, NULL); |
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|
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devinet_sysctl_unregister(in_dev); |
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neigh_parms_release(&arp_tbl, in_dev->arp_parms); arp_ifdown(dev); call_rcu(&in_dev->rcu_head, in_dev_rcu_put); } |
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int inet_addr_onlink(struct in_device *in_dev, __be32 a, __be32 b) |
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{ rcu_read_lock(); for_primary_ifa(in_dev) { if (inet_ifa_match(a, ifa)) { if (!b || inet_ifa_match(b, ifa)) { rcu_read_unlock(); return 1; } } } endfor_ifa(in_dev); rcu_read_unlock(); return 0; } |
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static void __inet_del_ifa(struct in_device *in_dev, struct in_ifaddr **ifap, |
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int destroy, struct nlmsghdr *nlh, u32 portid) |
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{ |
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struct in_ifaddr *promote = NULL; |
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struct in_ifaddr *ifa, *ifa1 = *ifap; struct in_ifaddr *last_prim = in_dev->ifa_list; struct in_ifaddr *prev_prom = NULL; int do_promote = IN_DEV_PROMOTE_SECONDARIES(in_dev); |
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ASSERT_RTNL(); |
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/* 1. Deleting primary ifaddr forces deletion all secondaries |
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* unless alias promotion is set **/ |
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if (!(ifa1->ifa_flags & IFA_F_SECONDARY)) { |
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struct in_ifaddr **ifap1 = &ifa1->ifa_next; while ((ifa = *ifap1) != NULL) { |
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if (!(ifa->ifa_flags & IFA_F_SECONDARY) && |
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ifa1->ifa_scope <= ifa->ifa_scope) last_prim = ifa; |
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if (!(ifa->ifa_flags & IFA_F_SECONDARY) || ifa1->ifa_mask != ifa->ifa_mask || !inet_ifa_match(ifa1->ifa_address, ifa)) { ifap1 = &ifa->ifa_next; |
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prev_prom = ifa; |
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continue; } |
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if (!do_promote) { |
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inet_hash_remove(ifa); |
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*ifap1 = ifa->ifa_next; |
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|
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rtmsg_ifa(RTM_DELADDR, ifa, nlh, portid); |
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blocking_notifier_call_chain(&inetaddr_chain, NETDEV_DOWN, ifa); |
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inet_free_ifa(ifa); } else { promote = ifa; break; } |
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} } |
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/* On promotion all secondaries from subnet are changing * the primary IP, we must remove all their routes silently * and later to add them back with new prefsrc. Do this * while all addresses are on the device list. */ for (ifa = promote; ifa; ifa = ifa->ifa_next) { if (ifa1->ifa_mask == ifa->ifa_mask && inet_ifa_match(ifa1->ifa_address, ifa)) fib_del_ifaddr(ifa, ifa1); } |
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/* 2. Unlink it */ *ifap = ifa1->ifa_next; |
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inet_hash_remove(ifa1); |
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/* 3. Announce address deletion */ /* Send message first, then call notifier. At first sight, FIB update triggered by notifier will refer to already deleted ifaddr, that could confuse netlink listeners. It is not true: look, gated sees that route deleted and if it still thinks that ifaddr is valid, it will try to restore deleted routes... Grr. So that, this order is correct. */ |
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rtmsg_ifa(RTM_DELADDR, ifa1, nlh, portid); |
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blocking_notifier_call_chain(&inetaddr_chain, NETDEV_DOWN, ifa1); |
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|
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if (promote) { |
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struct in_ifaddr *next_sec = promote->ifa_next; |
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if (prev_prom) { prev_prom->ifa_next = promote->ifa_next; promote->ifa_next = last_prim->ifa_next; last_prim->ifa_next = promote; } |
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|
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promote->ifa_flags &= ~IFA_F_SECONDARY; |
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rtmsg_ifa(RTM_NEWADDR, promote, nlh, portid); |
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blocking_notifier_call_chain(&inetaddr_chain, NETDEV_UP, promote); |
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for (ifa = next_sec; ifa; ifa = ifa->ifa_next) { |
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if (ifa1->ifa_mask != ifa->ifa_mask || !inet_ifa_match(ifa1->ifa_address, ifa)) continue; fib_add_ifaddr(ifa); } } |
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if (destroy) |
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inet_free_ifa(ifa1); |
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} |
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static void inet_del_ifa(struct in_device *in_dev, struct in_ifaddr **ifap, int destroy) { __inet_del_ifa(in_dev, ifap, destroy, NULL, 0); } |
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static void check_lifetime(struct work_struct *work); static DECLARE_DELAYED_WORK(check_lifetime_work, check_lifetime); |
d6062cbbd [IPv4] address: C... |
409 |
static int __inet_insert_ifa(struct in_ifaddr *ifa, struct nlmsghdr *nlh, |
15e473046 netlink: Rename p... |
410 |
u32 portid) |
1da177e4c Linux-2.6.12-rc2 |
411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 |
{ struct in_device *in_dev = ifa->ifa_dev; struct in_ifaddr *ifa1, **ifap, **last_primary; ASSERT_RTNL(); if (!ifa->ifa_local) { inet_free_ifa(ifa); return 0; } ifa->ifa_flags &= ~IFA_F_SECONDARY; last_primary = &in_dev->ifa_list; for (ifap = &in_dev->ifa_list; (ifa1 = *ifap) != NULL; ifap = &ifa1->ifa_next) { if (!(ifa1->ifa_flags & IFA_F_SECONDARY) && ifa->ifa_scope <= ifa1->ifa_scope) last_primary = &ifa1->ifa_next; if (ifa1->ifa_mask == ifa->ifa_mask && inet_ifa_match(ifa1->ifa_address, ifa)) { if (ifa1->ifa_local == ifa->ifa_local) { inet_free_ifa(ifa); return -EEXIST; } if (ifa1->ifa_scope != ifa->ifa_scope) { inet_free_ifa(ifa); return -EINVAL; } ifa->ifa_flags |= IFA_F_SECONDARY; } } if (!(ifa->ifa_flags & IFA_F_SECONDARY)) { |
63862b5be net: replace macr... |
445 |
prandom_seed((__force u32) ifa->ifa_local); |
1da177e4c Linux-2.6.12-rc2 |
446 447 448 449 450 |
ifap = last_primary; } ifa->ifa_next = *ifap; *ifap = ifa; |
fd23c3b31 ipv4: Add hash ta... |
451 |
inet_hash_insert(dev_net(in_dev->dev), ifa); |
5c766d642 ipv4: introduce a... |
452 |
cancel_delayed_work(&check_lifetime_work); |
906e073f3 net/ipv4: queue w... |
453 |
queue_delayed_work(system_power_efficient_wq, &check_lifetime_work, 0); |
5c766d642 ipv4: introduce a... |
454 |
|
1da177e4c Linux-2.6.12-rc2 |
455 456 457 |
/* Send message first, then call notifier. Notifier will trigger FIB update, so that listeners of netlink will know about new ifaddr */ |
15e473046 netlink: Rename p... |
458 |
rtmsg_ifa(RTM_NEWADDR, ifa, nlh, portid); |
e041c6834 [PATCH] Notifier ... |
459 |
blocking_notifier_call_chain(&inetaddr_chain, NETDEV_UP, ifa); |
1da177e4c Linux-2.6.12-rc2 |
460 461 462 |
return 0; } |
d6062cbbd [IPv4] address: C... |
463 464 465 466 |
static int inet_insert_ifa(struct in_ifaddr *ifa) { return __inet_insert_ifa(ifa, NULL, 0); } |
1da177e4c Linux-2.6.12-rc2 |
467 468 |
static int inet_set_ifa(struct net_device *dev, struct in_ifaddr *ifa) { |
e5ed63991 [IPV4]: Replace _... |
469 |
struct in_device *in_dev = __in_dev_get_rtnl(dev); |
1da177e4c Linux-2.6.12-rc2 |
470 471 472 473 |
ASSERT_RTNL(); if (!in_dev) { |
71e27da96 [IPV4]: Restore o... |
474 475 |
inet_free_ifa(ifa); return -ENOBUFS; |
1da177e4c Linux-2.6.12-rc2 |
476 |
} |
71e27da96 [IPV4]: Restore o... |
477 |
ipv4_devconf_setall(in_dev); |
1d4c8c298 neigh: restore ol... |
478 |
neigh_parms_data_state_setall(in_dev->arp_parms); |
1da177e4c Linux-2.6.12-rc2 |
479 |
if (ifa->ifa_dev != in_dev) { |
547b792ca net: convert BUG_... |
480 |
WARN_ON(ifa->ifa_dev); |
1da177e4c Linux-2.6.12-rc2 |
481 482 483 |
in_dev_hold(in_dev); ifa->ifa_dev = in_dev; } |
f97c1e0c6 [IPV4] net/ipv4: ... |
484 |
if (ipv4_is_loopback(ifa->ifa_local)) |
1da177e4c Linux-2.6.12-rc2 |
485 486 487 |
ifa->ifa_scope = RT_SCOPE_HOST; return inet_insert_ifa(ifa); } |
8723e1b4a inet: RCU changes... |
488 489 490 |
/* Caller must hold RCU or RTNL : * We dont take a reference on found in_device */ |
7fee0ca23 [NETNS]: Add netn... |
491 |
struct in_device *inetdev_by_index(struct net *net, int ifindex) |
1da177e4c Linux-2.6.12-rc2 |
492 493 494 |
{ struct net_device *dev; struct in_device *in_dev = NULL; |
c148fc2e3 ipv4: inetdev_by_... |
495 496 497 |
rcu_read_lock(); dev = dev_get_by_index_rcu(net, ifindex); |
1da177e4c Linux-2.6.12-rc2 |
498 |
if (dev) |
8723e1b4a inet: RCU changes... |
499 |
in_dev = rcu_dereference_rtnl(dev->ip_ptr); |
c148fc2e3 ipv4: inetdev_by_... |
500 |
rcu_read_unlock(); |
1da177e4c Linux-2.6.12-rc2 |
501 502 |
return in_dev; } |
9f9354b92 net: net/ipv4/dev... |
503 |
EXPORT_SYMBOL(inetdev_by_index); |
1da177e4c Linux-2.6.12-rc2 |
504 505 |
/* Called only from RTNL semaphored context. No locks. */ |
60cad5da5 [IPV4]: annotate ... |
506 507 |
struct in_ifaddr *inet_ifa_byprefix(struct in_device *in_dev, __be32 prefix, __be32 mask) |
1da177e4c Linux-2.6.12-rc2 |
508 509 510 511 512 513 514 515 516 |
{ ASSERT_RTNL(); for_primary_ifa(in_dev) { if (ifa->ifa_mask == mask && inet_ifa_match(prefix, ifa)) return ifa; } endfor_ifa(in_dev); return NULL; } |
661d2967b rtnetlink: Remove... |
517 |
static int inet_rtm_deladdr(struct sk_buff *skb, struct nlmsghdr *nlh) |
1da177e4c Linux-2.6.12-rc2 |
518 |
{ |
3b1e0a655 [NET] NETNS: Omit... |
519 |
struct net *net = sock_net(skb->sk); |
dfdd5fd4e [IPV4]: Convert a... |
520 |
struct nlattr *tb[IFA_MAX+1]; |
1da177e4c Linux-2.6.12-rc2 |
521 |
struct in_device *in_dev; |
dfdd5fd4e [IPV4]: Convert a... |
522 |
struct ifaddrmsg *ifm; |
1da177e4c Linux-2.6.12-rc2 |
523 |
struct in_ifaddr *ifa, **ifap; |
dfdd5fd4e [IPV4]: Convert a... |
524 |
int err = -EINVAL; |
1da177e4c Linux-2.6.12-rc2 |
525 526 |
ASSERT_RTNL(); |
dfdd5fd4e [IPV4]: Convert a... |
527 528 529 530 531 |
err = nlmsg_parse(nlh, sizeof(*ifm), tb, IFA_MAX, ifa_ipv4_policy); if (err < 0) goto errout; ifm = nlmsg_data(nlh); |
7fee0ca23 [NETNS]: Add netn... |
532 |
in_dev = inetdev_by_index(net, ifm->ifa_index); |
dfdd5fd4e [IPV4]: Convert a... |
533 534 535 536 |
if (in_dev == NULL) { err = -ENODEV; goto errout; } |
1da177e4c Linux-2.6.12-rc2 |
537 538 |
for (ifap = &in_dev->ifa_list; (ifa = *ifap) != NULL; ifap = &ifa->ifa_next) { |
dfdd5fd4e [IPV4]: Convert a... |
539 |
if (tb[IFA_LOCAL] && |
a7a628c44 [IPV4]: IFA_{LOCA... |
540 |
ifa->ifa_local != nla_get_be32(tb[IFA_LOCAL])) |
dfdd5fd4e [IPV4]: Convert a... |
541 542 543 |
continue; if (tb[IFA_LABEL] && nla_strcmp(tb[IFA_LABEL], ifa->ifa_label)) |
1da177e4c Linux-2.6.12-rc2 |
544 |
continue; |
dfdd5fd4e [IPV4]: Convert a... |
545 546 547 |
if (tb[IFA_ADDRESS] && (ifm->ifa_prefixlen != ifa->ifa_prefixlen || |
a7a628c44 [IPV4]: IFA_{LOCA... |
548 |
!inet_ifa_match(nla_get_be32(tb[IFA_ADDRESS]), ifa))) |
dfdd5fd4e [IPV4]: Convert a... |
549 |
continue; |
15e473046 netlink: Rename p... |
550 |
__inet_del_ifa(in_dev, ifap, 1, nlh, NETLINK_CB(skb).portid); |
1da177e4c Linux-2.6.12-rc2 |
551 552 |
return 0; } |
dfdd5fd4e [IPV4]: Convert a... |
553 554 555 556 |
err = -EADDRNOTAVAIL; errout: return err; |
1da177e4c Linux-2.6.12-rc2 |
557 |
} |
5c766d642 ipv4: introduce a... |
558 559 560 561 562 563 |
#define INFINITY_LIFE_TIME 0xFFFFFFFF static void check_lifetime(struct work_struct *work) { unsigned long now, next, next_sec, next_sched; struct in_ifaddr *ifa; |
c988d1e8c net: ipv4: fix sc... |
564 |
struct hlist_node *n; |
5c766d642 ipv4: introduce a... |
565 566 567 568 |
int i; now = jiffies; next = round_jiffies_up(now + ADDR_CHECK_FREQUENCY); |
5c766d642 ipv4: introduce a... |
569 |
for (i = 0; i < IN4_ADDR_HSIZE; i++) { |
c988d1e8c net: ipv4: fix sc... |
570 571 572 |
bool change_needed = false; rcu_read_lock(); |
b67bfe0d4 hlist: drop the n... |
573 |
hlist_for_each_entry_rcu(ifa, &inet_addr_lst[i], hash) { |
5c766d642 ipv4: introduce a... |
574 575 576 577 578 579 580 581 582 583 584 |
unsigned long age; if (ifa->ifa_flags & IFA_F_PERMANENT) continue; /* We try to batch several events at once. */ age = (now - ifa->ifa_tstamp + ADDRCONF_TIMER_FUZZ_MINUS) / HZ; if (ifa->ifa_valid_lft != INFINITY_LIFE_TIME && age >= ifa->ifa_valid_lft) { |
c988d1e8c net: ipv4: fix sc... |
585 |
change_needed = true; |
5c766d642 ipv4: introduce a... |
586 587 588 589 590 591 592 593 |
} else if (ifa->ifa_preferred_lft == INFINITY_LIFE_TIME) { continue; } else if (age >= ifa->ifa_preferred_lft) { if (time_before(ifa->ifa_tstamp + ifa->ifa_valid_lft * HZ, next)) next = ifa->ifa_tstamp + ifa->ifa_valid_lft * HZ; |
c988d1e8c net: ipv4: fix sc... |
594 595 |
if (!(ifa->ifa_flags & IFA_F_DEPRECATED)) change_needed = true; |
5c766d642 ipv4: introduce a... |
596 597 598 599 600 601 602 |
} else if (time_before(ifa->ifa_tstamp + ifa->ifa_preferred_lft * HZ, next)) { next = ifa->ifa_tstamp + ifa->ifa_preferred_lft * HZ; } } |
c988d1e8c net: ipv4: fix sc... |
603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 |
rcu_read_unlock(); if (!change_needed) continue; rtnl_lock(); hlist_for_each_entry_safe(ifa, n, &inet_addr_lst[i], hash) { unsigned long age; if (ifa->ifa_flags & IFA_F_PERMANENT) continue; /* We try to batch several events at once. */ age = (now - ifa->ifa_tstamp + ADDRCONF_TIMER_FUZZ_MINUS) / HZ; if (ifa->ifa_valid_lft != INFINITY_LIFE_TIME && age >= ifa->ifa_valid_lft) { struct in_ifaddr **ifap; for (ifap = &ifa->ifa_dev->ifa_list; *ifap != NULL; ifap = &(*ifap)->ifa_next) { if (*ifap == ifa) { inet_del_ifa(ifa->ifa_dev, ifap, 1); break; } } } else if (ifa->ifa_preferred_lft != INFINITY_LIFE_TIME && age >= ifa->ifa_preferred_lft && !(ifa->ifa_flags & IFA_F_DEPRECATED)) { ifa->ifa_flags |= IFA_F_DEPRECATED; rtmsg_ifa(RTM_NEWADDR, ifa, NULL, 0); } } rtnl_unlock(); |
5c766d642 ipv4: introduce a... |
638 |
} |
5c766d642 ipv4: introduce a... |
639 640 641 642 643 644 645 646 647 648 649 650 |
next_sec = round_jiffies_up(next); next_sched = next; /* If rounded timeout is accurate enough, accept it. */ if (time_before(next_sec, next + ADDRCONF_TIMER_FUZZ)) next_sched = next_sec; now = jiffies; /* And minimum interval is ADDRCONF_TIMER_FUZZ_MAX. */ if (time_before(next_sched, now + ADDRCONF_TIMER_FUZZ_MAX)) next_sched = now + ADDRCONF_TIMER_FUZZ_MAX; |
906e073f3 net/ipv4: queue w... |
651 652 |
queue_delayed_work(system_power_efficient_wq, &check_lifetime_work, next_sched - now); |
5c766d642 ipv4: introduce a... |
653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 |
} static void set_ifa_lifetime(struct in_ifaddr *ifa, __u32 valid_lft, __u32 prefered_lft) { unsigned long timeout; ifa->ifa_flags &= ~(IFA_F_PERMANENT | IFA_F_DEPRECATED); timeout = addrconf_timeout_fixup(valid_lft, HZ); if (addrconf_finite_timeout(timeout)) ifa->ifa_valid_lft = timeout; else ifa->ifa_flags |= IFA_F_PERMANENT; timeout = addrconf_timeout_fixup(prefered_lft, HZ); if (addrconf_finite_timeout(timeout)) { if (timeout == 0) ifa->ifa_flags |= IFA_F_DEPRECATED; ifa->ifa_preferred_lft = timeout; } ifa->ifa_tstamp = jiffies; if (!ifa->ifa_cstamp) ifa->ifa_cstamp = ifa->ifa_tstamp; } static struct in_ifaddr *rtm_to_ifaddr(struct net *net, struct nlmsghdr *nlh, __u32 *pvalid_lft, __u32 *pprefered_lft) |
1da177e4c Linux-2.6.12-rc2 |
681 |
{ |
5c7539781 [IPV4]: Convert a... |
682 683 684 |
struct nlattr *tb[IFA_MAX+1]; struct in_ifaddr *ifa; struct ifaddrmsg *ifm; |
1da177e4c Linux-2.6.12-rc2 |
685 686 |
struct net_device *dev; struct in_device *in_dev; |
7b2185747 [IPV4]: Small sty... |
687 |
int err; |
1da177e4c Linux-2.6.12-rc2 |
688 |
|
5c7539781 [IPV4]: Convert a... |
689 690 691 |
err = nlmsg_parse(nlh, sizeof(*ifm), tb, IFA_MAX, ifa_ipv4_policy); if (err < 0) goto errout; |
1da177e4c Linux-2.6.12-rc2 |
692 |
|
5c7539781 [IPV4]: Convert a... |
693 |
ifm = nlmsg_data(nlh); |
7b2185747 [IPV4]: Small sty... |
694 695 |
err = -EINVAL; if (ifm->ifa_prefixlen > 32 || tb[IFA_LOCAL] == NULL) |
5c7539781 [IPV4]: Convert a... |
696 |
goto errout; |
1da177e4c Linux-2.6.12-rc2 |
697 |
|
4b8aa9abe [NETNS]: Process ... |
698 |
dev = __dev_get_by_index(net, ifm->ifa_index); |
7b2185747 [IPV4]: Small sty... |
699 700 |
err = -ENODEV; if (dev == NULL) |
5c7539781 [IPV4]: Convert a... |
701 |
goto errout; |
1da177e4c Linux-2.6.12-rc2 |
702 |
|
5c7539781 [IPV4]: Convert a... |
703 |
in_dev = __in_dev_get_rtnl(dev); |
7b2185747 [IPV4]: Small sty... |
704 705 |
err = -ENOBUFS; if (in_dev == NULL) |
71e27da96 [IPV4]: Restore o... |
706 |
goto errout; |
1da177e4c Linux-2.6.12-rc2 |
707 |
|
5c7539781 [IPV4]: Convert a... |
708 |
ifa = inet_alloc_ifa(); |
7b2185747 [IPV4]: Small sty... |
709 |
if (ifa == NULL) |
5c7539781 [IPV4]: Convert a... |
710 711 712 713 |
/* * A potential indev allocation can be left alive, it stays * assigned to its device and is destroy with it. */ |
5c7539781 [IPV4]: Convert a... |
714 |
goto errout; |
5c7539781 [IPV4]: Convert a... |
715 |
|
a4e65d36a [IPV4]: Swap the ... |
716 |
ipv4_devconf_setall(in_dev); |
1d4c8c298 neigh: restore ol... |
717 |
neigh_parms_data_state_setall(in_dev->arp_parms); |
5c7539781 [IPV4]: Convert a... |
718 719 720 721 |
in_dev_hold(in_dev); if (tb[IFA_ADDRESS] == NULL) tb[IFA_ADDRESS] = tb[IFA_LOCAL]; |
1da177e4c Linux-2.6.12-rc2 |
722 |
|
fd23c3b31 ipv4: Add hash ta... |
723 |
INIT_HLIST_NODE(&ifa->hash); |
1da177e4c Linux-2.6.12-rc2 |
724 725 |
ifa->ifa_prefixlen = ifm->ifa_prefixlen; ifa->ifa_mask = inet_make_mask(ifm->ifa_prefixlen); |
ad6c81359 ipv4: add support... |
726 727 |
ifa->ifa_flags = tb[IFA_FLAGS] ? nla_get_u32(tb[IFA_FLAGS]) : ifm->ifa_flags; |
1da177e4c Linux-2.6.12-rc2 |
728 |
ifa->ifa_scope = ifm->ifa_scope; |
5c7539781 [IPV4]: Convert a... |
729 |
ifa->ifa_dev = in_dev; |
a7a628c44 [IPV4]: IFA_{LOCA... |
730 731 |
ifa->ifa_local = nla_get_be32(tb[IFA_LOCAL]); ifa->ifa_address = nla_get_be32(tb[IFA_ADDRESS]); |
5c7539781 [IPV4]: Convert a... |
732 733 |
if (tb[IFA_BROADCAST]) |
a7a628c44 [IPV4]: IFA_{LOCA... |
734 |
ifa->ifa_broadcast = nla_get_be32(tb[IFA_BROADCAST]); |
5c7539781 [IPV4]: Convert a... |
735 |
|
5c7539781 [IPV4]: Convert a... |
736 737 |
if (tb[IFA_LABEL]) nla_strlcpy(ifa->ifa_label, tb[IFA_LABEL], IFNAMSIZ); |
1da177e4c Linux-2.6.12-rc2 |
738 739 |
else memcpy(ifa->ifa_label, dev->name, IFNAMSIZ); |
5c766d642 ipv4: introduce a... |
740 741 742 743 744 745 |
if (tb[IFA_CACHEINFO]) { struct ifa_cacheinfo *ci; ci = nla_data(tb[IFA_CACHEINFO]); if (!ci->ifa_valid || ci->ifa_prefered > ci->ifa_valid) { err = -EINVAL; |
446266b0c net: rtm_to_ifadd... |
746 |
goto errout_free; |
5c766d642 ipv4: introduce a... |
747 748 749 750 |
} *pvalid_lft = ci->ifa_valid; *pprefered_lft = ci->ifa_prefered; } |
5c7539781 [IPV4]: Convert a... |
751 |
return ifa; |
446266b0c net: rtm_to_ifadd... |
752 753 |
errout_free: inet_free_ifa(ifa); |
5c7539781 [IPV4]: Convert a... |
754 755 756 |
errout: return ERR_PTR(err); } |
5c766d642 ipv4: introduce a... |
757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 |
static struct in_ifaddr *find_matching_ifa(struct in_ifaddr *ifa) { struct in_device *in_dev = ifa->ifa_dev; struct in_ifaddr *ifa1, **ifap; if (!ifa->ifa_local) return NULL; for (ifap = &in_dev->ifa_list; (ifa1 = *ifap) != NULL; ifap = &ifa1->ifa_next) { if (ifa1->ifa_mask == ifa->ifa_mask && inet_ifa_match(ifa1->ifa_address, ifa) && ifa1->ifa_local == ifa->ifa_local) return ifa1; } return NULL; } |
661d2967b rtnetlink: Remove... |
774 |
static int inet_rtm_newaddr(struct sk_buff *skb, struct nlmsghdr *nlh) |
5c7539781 [IPV4]: Convert a... |
775 |
{ |
3b1e0a655 [NET] NETNS: Omit... |
776 |
struct net *net = sock_net(skb->sk); |
5c7539781 [IPV4]: Convert a... |
777 |
struct in_ifaddr *ifa; |
5c766d642 ipv4: introduce a... |
778 779 780 |
struct in_ifaddr *ifa_existing; __u32 valid_lft = INFINITY_LIFE_TIME; __u32 prefered_lft = INFINITY_LIFE_TIME; |
5c7539781 [IPV4]: Convert a... |
781 782 |
ASSERT_RTNL(); |
5c766d642 ipv4: introduce a... |
783 |
ifa = rtm_to_ifaddr(net, nlh, &valid_lft, &prefered_lft); |
5c7539781 [IPV4]: Convert a... |
784 785 |
if (IS_ERR(ifa)) return PTR_ERR(ifa); |
5c766d642 ipv4: introduce a... |
786 787 788 |
ifa_existing = find_matching_ifa(ifa); if (!ifa_existing) { /* It would be best to check for !NLM_F_CREATE here but |
614d056c8 ipv4: minor spell... |
789 |
* userspace already relies on not having to provide this. |
5c766d642 ipv4: introduce a... |
790 791 792 793 794 795 796 797 798 |
*/ set_ifa_lifetime(ifa, valid_lft, prefered_lft); return __inet_insert_ifa(ifa, nlh, NETLINK_CB(skb).portid); } else { inet_free_ifa(ifa); if (nlh->nlmsg_flags & NLM_F_EXCL || !(nlh->nlmsg_flags & NLM_F_REPLACE)) return -EEXIST; |
34e2ed34a net: ipv4: notify... |
799 800 |
ifa = ifa_existing; set_ifa_lifetime(ifa, valid_lft, prefered_lft); |
05a324b9c net: ipv4: reset ... |
801 |
cancel_delayed_work(&check_lifetime_work); |
906e073f3 net/ipv4: queue w... |
802 803 |
queue_delayed_work(system_power_efficient_wq, &check_lifetime_work, 0); |
34e2ed34a net: ipv4: notify... |
804 805 |
rtmsg_ifa(RTM_NEWADDR, ifa, nlh, NETLINK_CB(skb).portid); blocking_notifier_call_chain(&inetaddr_chain, NETDEV_UP, ifa); |
5c766d642 ipv4: introduce a... |
806 807 |
} return 0; |
1da177e4c Linux-2.6.12-rc2 |
808 809 810 811 812 |
} /* * Determine a default network mask, based on the IP address. */ |
40384999d ipv4: change inet... |
813 |
static int inet_abc_len(__be32 addr) |
1da177e4c Linux-2.6.12-rc2 |
814 815 |
{ int rc = -1; /* Something else, probably a multicast. */ |
f97c1e0c6 [IPV4] net/ipv4: ... |
816 |
if (ipv4_is_zeronet(addr)) |
e905a9eda [NET] IPV4: Fix w... |
817 |
rc = 0; |
1da177e4c Linux-2.6.12-rc2 |
818 |
else { |
714e85be3 [IPV6]: Assorted ... |
819 |
__u32 haddr = ntohl(addr); |
1da177e4c Linux-2.6.12-rc2 |
820 |
|
714e85be3 [IPV6]: Assorted ... |
821 |
if (IN_CLASSA(haddr)) |
1da177e4c Linux-2.6.12-rc2 |
822 |
rc = 8; |
714e85be3 [IPV6]: Assorted ... |
823 |
else if (IN_CLASSB(haddr)) |
1da177e4c Linux-2.6.12-rc2 |
824 |
rc = 16; |
714e85be3 [IPV6]: Assorted ... |
825 |
else if (IN_CLASSC(haddr)) |
1da177e4c Linux-2.6.12-rc2 |
826 827 |
rc = 24; } |
e905a9eda [NET] IPV4: Fix w... |
828 |
return rc; |
1da177e4c Linux-2.6.12-rc2 |
829 |
} |
e5b13cb10 [NETNS]: Process ... |
830 |
int devinet_ioctl(struct net *net, unsigned int cmd, void __user *arg) |
1da177e4c Linux-2.6.12-rc2 |
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 |
{ struct ifreq ifr; struct sockaddr_in sin_orig; struct sockaddr_in *sin = (struct sockaddr_in *)&ifr.ifr_addr; struct in_device *in_dev; struct in_ifaddr **ifap = NULL; struct in_ifaddr *ifa = NULL; struct net_device *dev; char *colon; int ret = -EFAULT; int tryaddrmatch = 0; /* * Fetch the caller's info block into kernel space */ if (copy_from_user(&ifr, arg, sizeof(struct ifreq))) goto out; ifr.ifr_name[IFNAMSIZ - 1] = 0; /* save original address for comparison */ memcpy(&sin_orig, sin, sizeof(*sin)); colon = strchr(ifr.ifr_name, ':'); if (colon) *colon = 0; |
e5b13cb10 [NETNS]: Process ... |
857 |
dev_load(net, ifr.ifr_name); |
1da177e4c Linux-2.6.12-rc2 |
858 |
|
132adf546 [IPV4]: cleanup |
859 |
switch (cmd) { |
1da177e4c Linux-2.6.12-rc2 |
860 861 862 863 864 865 866 867 868 869 870 871 872 873 |
case SIOCGIFADDR: /* Get interface address */ case SIOCGIFBRDADDR: /* Get the broadcast address */ case SIOCGIFDSTADDR: /* Get the destination address */ case SIOCGIFNETMASK: /* Get the netmask for the interface */ /* Note that these ioctls will not sleep, so that we do not impose a lock. One day we will be forced to put shlock here (I mean SMP) */ tryaddrmatch = (sin_orig.sin_family == AF_INET); memset(sin, 0, sizeof(*sin)); sin->sin_family = AF_INET; break; case SIOCSIFFLAGS: |
bf5b30b8a net: change retur... |
874 |
ret = -EPERM; |
52e804c6d net: Allow userns... |
875 |
if (!ns_capable(net->user_ns, CAP_NET_ADMIN)) |
1da177e4c Linux-2.6.12-rc2 |
876 877 878 879 880 881 |
goto out; break; case SIOCSIFADDR: /* Set interface address (and family) */ case SIOCSIFBRDADDR: /* Set the broadcast address */ case SIOCSIFDSTADDR: /* Set the destination address */ case SIOCSIFNETMASK: /* Set the netmask for the interface */ |
bf5b30b8a net: change retur... |
882 |
ret = -EPERM; |
52e804c6d net: Allow userns... |
883 |
if (!ns_capable(net->user_ns, CAP_NET_ADMIN)) |
1da177e4c Linux-2.6.12-rc2 |
884 885 886 887 888 889 890 891 892 893 894 895 896 |
goto out; ret = -EINVAL; if (sin->sin_family != AF_INET) goto out; break; default: ret = -EINVAL; goto out; } rtnl_lock(); ret = -ENODEV; |
9f9354b92 net: net/ipv4/dev... |
897 898 |
dev = __dev_get_by_name(net, ifr.ifr_name); if (!dev) |
1da177e4c Linux-2.6.12-rc2 |
899 900 901 902 |
goto done; if (colon) *colon = ':'; |
9f9354b92 net: net/ipv4/dev... |
903 904 |
in_dev = __in_dev_get_rtnl(dev); if (in_dev) { |
1da177e4c Linux-2.6.12-rc2 |
905 906 907 908 909 910 911 912 913 914 |
if (tryaddrmatch) { /* Matthias Andree */ /* compare label and address (4.4BSD style) */ /* note: we only do this for a limited set of ioctls and only if the original address family was AF_INET. This is checked above. */ for (ifap = &in_dev->ifa_list; (ifa = *ifap) != NULL; ifap = &ifa->ifa_next) { if (!strcmp(ifr.ifr_name, ifa->ifa_label) && sin_orig.sin_addr.s_addr == |
6c91afe1a ipv4: Fix erroneo... |
915 |
ifa->ifa_local) { |
1da177e4c Linux-2.6.12-rc2 |
916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 |
break; /* found */ } } } /* we didn't get a match, maybe the application is 4.3BSD-style and passed in junk so we fall back to comparing just the label */ if (!ifa) { for (ifap = &in_dev->ifa_list; (ifa = *ifap) != NULL; ifap = &ifa->ifa_next) if (!strcmp(ifr.ifr_name, ifa->ifa_label)) break; } } ret = -EADDRNOTAVAIL; if (!ifa && cmd != SIOCSIFADDR && cmd != SIOCSIFFLAGS) goto done; |
132adf546 [IPV4]: cleanup |
934 |
switch (cmd) { |
1da177e4c Linux-2.6.12-rc2 |
935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 |
case SIOCGIFADDR: /* Get interface address */ sin->sin_addr.s_addr = ifa->ifa_local; goto rarok; case SIOCGIFBRDADDR: /* Get the broadcast address */ sin->sin_addr.s_addr = ifa->ifa_broadcast; goto rarok; case SIOCGIFDSTADDR: /* Get the destination address */ sin->sin_addr.s_addr = ifa->ifa_address; goto rarok; case SIOCGIFNETMASK: /* Get the netmask for the interface */ sin->sin_addr.s_addr = ifa->ifa_mask; goto rarok; case SIOCSIFFLAGS: if (colon) { ret = -EADDRNOTAVAIL; if (!ifa) break; ret = 0; if (!(ifr.ifr_flags & IFF_UP)) inet_del_ifa(in_dev, ifap, 1); break; } ret = dev_change_flags(dev, ifr.ifr_flags); break; case SIOCSIFADDR: /* Set interface address (and family) */ ret = -EINVAL; if (inet_abc_len(sin->sin_addr.s_addr) < 0) break; if (!ifa) { ret = -ENOBUFS; |
9f9354b92 net: net/ipv4/dev... |
971 972 |
ifa = inet_alloc_ifa(); if (!ifa) |
1da177e4c Linux-2.6.12-rc2 |
973 |
break; |
c7e2e1d72 ipv4: fix NULL ch... |
974 |
INIT_HLIST_NODE(&ifa->hash); |
1da177e4c Linux-2.6.12-rc2 |
975 976 977 978 979 980 981 982 983 984 |
if (colon) memcpy(ifa->ifa_label, ifr.ifr_name, IFNAMSIZ); else memcpy(ifa->ifa_label, dev->name, IFNAMSIZ); } else { ret = 0; if (ifa->ifa_local == sin->sin_addr.s_addr) break; inet_del_ifa(in_dev, ifap, 0); ifa->ifa_broadcast = 0; |
148f97292 [IPV4]: Reset sco... |
985 |
ifa->ifa_scope = 0; |
1da177e4c Linux-2.6.12-rc2 |
986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 |
} ifa->ifa_address = ifa->ifa_local = sin->sin_addr.s_addr; if (!(dev->flags & IFF_POINTOPOINT)) { ifa->ifa_prefixlen = inet_abc_len(ifa->ifa_address); ifa->ifa_mask = inet_make_mask(ifa->ifa_prefixlen); if ((dev->flags & IFF_BROADCAST) && ifa->ifa_prefixlen < 31) ifa->ifa_broadcast = ifa->ifa_address | ~ifa->ifa_mask; } else { ifa->ifa_prefixlen = 32; ifa->ifa_mask = inet_make_mask(32); } |
5c766d642 ipv4: introduce a... |
1001 |
set_ifa_lifetime(ifa, INFINITY_LIFE_TIME, INFINITY_LIFE_TIME); |
1da177e4c Linux-2.6.12-rc2 |
1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 |
ret = inet_set_ifa(dev, ifa); break; case SIOCSIFBRDADDR: /* Set the broadcast address */ ret = 0; if (ifa->ifa_broadcast != sin->sin_addr.s_addr) { inet_del_ifa(in_dev, ifap, 0); ifa->ifa_broadcast = sin->sin_addr.s_addr; inet_insert_ifa(ifa); } break; case SIOCSIFDSTADDR: /* Set the destination address */ ret = 0; if (ifa->ifa_address == sin->sin_addr.s_addr) break; ret = -EINVAL; if (inet_abc_len(sin->sin_addr.s_addr) < 0) break; ret = 0; inet_del_ifa(in_dev, ifap, 0); ifa->ifa_address = sin->sin_addr.s_addr; inet_insert_ifa(ifa); break; case SIOCSIFNETMASK: /* Set the netmask for the interface */ /* * The mask we set must be legal. */ ret = -EINVAL; if (bad_mask(sin->sin_addr.s_addr, 0)) break; ret = 0; if (ifa->ifa_mask != sin->sin_addr.s_addr) { |
a144ea4b7 [IPV4]: annotate ... |
1037 |
__be32 old_mask = ifa->ifa_mask; |
1da177e4c Linux-2.6.12-rc2 |
1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 |
inet_del_ifa(in_dev, ifap, 0); ifa->ifa_mask = sin->sin_addr.s_addr; ifa->ifa_prefixlen = inet_mask_len(ifa->ifa_mask); /* See if current broadcast address matches * with current netmask, then recalculate * the broadcast address. Otherwise it's a * funny address, so don't touch it since * the user seems to know what (s)he's doing... */ if ((dev->flags & IFF_BROADCAST) && (ifa->ifa_prefixlen < 31) && (ifa->ifa_broadcast == |
dcab5e1ee [IPV4]: Fix setti... |
1051 |
(ifa->ifa_local|~old_mask))) { |
1da177e4c Linux-2.6.12-rc2 |
1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 |
ifa->ifa_broadcast = (ifa->ifa_local | ~sin->sin_addr.s_addr); } inet_insert_ifa(ifa); } break; } done: rtnl_unlock(); out: return ret; rarok: rtnl_unlock(); ret = copy_to_user(arg, &ifr, sizeof(struct ifreq)) ? -EFAULT : 0; goto out; } static int inet_gifconf(struct net_device *dev, char __user *buf, int len) { |
e5ed63991 [IPV4]: Replace _... |
1071 |
struct in_device *in_dev = __in_dev_get_rtnl(dev); |
1da177e4c Linux-2.6.12-rc2 |
1072 1073 1074 |
struct in_ifaddr *ifa; struct ifreq ifr; int done = 0; |
9f9354b92 net: net/ipv4/dev... |
1075 |
if (!in_dev) |
1da177e4c Linux-2.6.12-rc2 |
1076 |
goto out; |
9f9354b92 net: net/ipv4/dev... |
1077 |
for (ifa = in_dev->ifa_list; ifa; ifa = ifa->ifa_next) { |
1da177e4c Linux-2.6.12-rc2 |
1078 1079 1080 1081 1082 1083 1084 |
if (!buf) { done += sizeof(ifr); continue; } if (len < (int) sizeof(ifr)) break; memset(&ifr, 0, sizeof(struct ifreq)); |
4299c8a94 net: remove an un... |
1085 |
strcpy(ifr.ifr_name, ifa->ifa_label); |
1da177e4c Linux-2.6.12-rc2 |
1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 |
(*(struct sockaddr_in *)&ifr.ifr_addr).sin_family = AF_INET; (*(struct sockaddr_in *)&ifr.ifr_addr).sin_addr.s_addr = ifa->ifa_local; if (copy_to_user(buf, &ifr, sizeof(struct ifreq))) { done = -EFAULT; break; } buf += sizeof(struct ifreq); len -= sizeof(struct ifreq); done += sizeof(struct ifreq); } out: return done; } |
a61ced5d1 [IPV4]: inet_sele... |
1102 |
__be32 inet_select_addr(const struct net_device *dev, __be32 dst, int scope) |
1da177e4c Linux-2.6.12-rc2 |
1103 |
{ |
a61ced5d1 [IPV4]: inet_sele... |
1104 |
__be32 addr = 0; |
1da177e4c Linux-2.6.12-rc2 |
1105 |
struct in_device *in_dev; |
c346dca10 [NET] NETNS: Omit... |
1106 |
struct net *net = dev_net(dev); |
1da177e4c Linux-2.6.12-rc2 |
1107 1108 |
rcu_read_lock(); |
e5ed63991 [IPV4]: Replace _... |
1109 |
in_dev = __in_dev_get_rcu(dev); |
1da177e4c Linux-2.6.12-rc2 |
1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 |
if (!in_dev) goto no_in_dev; for_primary_ifa(in_dev) { if (ifa->ifa_scope > scope) continue; if (!dst || inet_ifa_match(dst, ifa)) { addr = ifa->ifa_local; break; } if (!addr) addr = ifa->ifa_local; } endfor_ifa(in_dev); |
1da177e4c Linux-2.6.12-rc2 |
1123 1124 |
if (addr) |
c6d14c845 net: Introduce fo... |
1125 |
goto out_unlock; |
9f9354b92 net: net/ipv4/dev... |
1126 |
no_in_dev: |
1da177e4c Linux-2.6.12-rc2 |
1127 1128 1129 1130 1131 |
/* Not loopback addresses on loopback should be preferred in this case. It is importnat that lo is the first interface in dev_base list. */ |
c6d14c845 net: Introduce fo... |
1132 |
for_each_netdev_rcu(net, dev) { |
9f9354b92 net: net/ipv4/dev... |
1133 1134 |
in_dev = __in_dev_get_rcu(dev); if (!in_dev) |
1da177e4c Linux-2.6.12-rc2 |
1135 1136 1137 1138 1139 1140 |
continue; for_primary_ifa(in_dev) { if (ifa->ifa_scope != RT_SCOPE_LINK && ifa->ifa_scope <= scope) { addr = ifa->ifa_local; |
c6d14c845 net: Introduce fo... |
1141 |
goto out_unlock; |
1da177e4c Linux-2.6.12-rc2 |
1142 1143 1144 |
} } endfor_ifa(in_dev); } |
c6d14c845 net: Introduce fo... |
1145 |
out_unlock: |
1da177e4c Linux-2.6.12-rc2 |
1146 |
rcu_read_unlock(); |
1da177e4c Linux-2.6.12-rc2 |
1147 1148 |
return addr; } |
9f9354b92 net: net/ipv4/dev... |
1149 |
EXPORT_SYMBOL(inet_select_addr); |
1da177e4c Linux-2.6.12-rc2 |
1150 |
|
60cad5da5 [IPV4]: annotate ... |
1151 1152 |
static __be32 confirm_addr_indev(struct in_device *in_dev, __be32 dst, __be32 local, int scope) |
1da177e4c Linux-2.6.12-rc2 |
1153 1154 |
{ int same = 0; |
a144ea4b7 [IPV4]: annotate ... |
1155 |
__be32 addr = 0; |
1da177e4c Linux-2.6.12-rc2 |
1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 |
for_ifa(in_dev) { if (!addr && (local == ifa->ifa_local || !local) && ifa->ifa_scope <= scope) { addr = ifa->ifa_local; if (same) break; } if (!same) { same = (!local || inet_ifa_match(local, ifa)) && (!dst || inet_ifa_match(dst, ifa)); if (same && addr) { if (local || !dst) break; /* Is the selected addr into dst subnet? */ if (inet_ifa_match(addr, ifa)) break; /* No, then can we use new local src? */ if (ifa->ifa_scope <= scope) { addr = ifa->ifa_local; break; } /* search for large dst subnet for addr */ same = 0; } } } endfor_ifa(in_dev); |
9f9354b92 net: net/ipv4/dev... |
1184 |
return same ? addr : 0; |
1da177e4c Linux-2.6.12-rc2 |
1185 1186 1187 1188 |
} /* * Confirm that local IP address exists using wildcards: |
b601fa197 ipv4: fix wildcar... |
1189 1190 |
* - net: netns to check, cannot be NULL * - in_dev: only on this interface, NULL=any interface |
1da177e4c Linux-2.6.12-rc2 |
1191 1192 1193 1194 |
* - dst: only in the same subnet as dst, 0=any dst * - local: address, 0=autoselect the local address * - scope: maximum allowed scope value for the local address */ |
b601fa197 ipv4: fix wildcar... |
1195 |
__be32 inet_confirm_addr(struct net *net, struct in_device *in_dev, |
9bd85e326 [IPV4]: Remove ex... |
1196 |
__be32 dst, __be32 local, int scope) |
1da177e4c Linux-2.6.12-rc2 |
1197 |
{ |
60cad5da5 [IPV4]: annotate ... |
1198 |
__be32 addr = 0; |
9bd85e326 [IPV4]: Remove ex... |
1199 |
struct net_device *dev; |
1da177e4c Linux-2.6.12-rc2 |
1200 |
|
b601fa197 ipv4: fix wildcar... |
1201 |
if (in_dev != NULL) |
9bd85e326 [IPV4]: Remove ex... |
1202 |
return confirm_addr_indev(in_dev, dst, local, scope); |
1da177e4c Linux-2.6.12-rc2 |
1203 |
|
1da177e4c Linux-2.6.12-rc2 |
1204 |
rcu_read_lock(); |
c6d14c845 net: Introduce fo... |
1205 |
for_each_netdev_rcu(net, dev) { |
9f9354b92 net: net/ipv4/dev... |
1206 1207 |
in_dev = __in_dev_get_rcu(dev); if (in_dev) { |
1da177e4c Linux-2.6.12-rc2 |
1208 1209 1210 1211 1212 1213 |
addr = confirm_addr_indev(in_dev, dst, local, scope); if (addr) break; } } rcu_read_unlock(); |
1da177e4c Linux-2.6.12-rc2 |
1214 1215 1216 |
return addr; } |
eaddcd769 bonding: remove e... |
1217 |
EXPORT_SYMBOL(inet_confirm_addr); |
1da177e4c Linux-2.6.12-rc2 |
1218 1219 1220 1221 1222 1223 1224 |
/* * Device notifier */ int register_inetaddr_notifier(struct notifier_block *nb) { |
e041c6834 [PATCH] Notifier ... |
1225 |
return blocking_notifier_chain_register(&inetaddr_chain, nb); |
1da177e4c Linux-2.6.12-rc2 |
1226 |
} |
9f9354b92 net: net/ipv4/dev... |
1227 |
EXPORT_SYMBOL(register_inetaddr_notifier); |
1da177e4c Linux-2.6.12-rc2 |
1228 1229 1230 |
int unregister_inetaddr_notifier(struct notifier_block *nb) { |
e041c6834 [PATCH] Notifier ... |
1231 |
return blocking_notifier_chain_unregister(&inetaddr_chain, nb); |
1da177e4c Linux-2.6.12-rc2 |
1232 |
} |
9f9354b92 net: net/ipv4/dev... |
1233 |
EXPORT_SYMBOL(unregister_inetaddr_notifier); |
1da177e4c Linux-2.6.12-rc2 |
1234 |
|
9f9354b92 net: net/ipv4/dev... |
1235 1236 |
/* Rename ifa_labels for a device name change. Make some effort to preserve * existing alias numbering and to create unique labels if possible. |
1da177e4c Linux-2.6.12-rc2 |
1237 1238 |
*/ static void inetdev_changename(struct net_device *dev, struct in_device *in_dev) |
e905a9eda [NET] IPV4: Fix w... |
1239 |
{ |
1da177e4c Linux-2.6.12-rc2 |
1240 1241 |
struct in_ifaddr *ifa; int named = 0; |
e905a9eda [NET] IPV4: Fix w... |
1242 1243 |
for (ifa = in_dev->ifa_list; ifa; ifa = ifa->ifa_next) { char old[IFNAMSIZ], *dot; |
1da177e4c Linux-2.6.12-rc2 |
1244 1245 |
memcpy(old, ifa->ifa_label, IFNAMSIZ); |
e905a9eda [NET] IPV4: Fix w... |
1246 |
memcpy(ifa->ifa_label, dev->name, IFNAMSIZ); |
1da177e4c Linux-2.6.12-rc2 |
1247 |
if (named++ == 0) |
573bf470e ipv4 addr: Send n... |
1248 |
goto skip; |
44344b2a8 [INET]: Fix netde... |
1249 |
dot = strchr(old, ':'); |
e905a9eda [NET] IPV4: Fix w... |
1250 1251 |
if (dot == NULL) { sprintf(old, ":%d", named); |
1da177e4c Linux-2.6.12-rc2 |
1252 1253 |
dot = old; } |
9f9354b92 net: net/ipv4/dev... |
1254 |
if (strlen(dot) + strlen(dev->name) < IFNAMSIZ) |
e905a9eda [NET] IPV4: Fix w... |
1255 |
strcat(ifa->ifa_label, dot); |
9f9354b92 net: net/ipv4/dev... |
1256 |
else |
e905a9eda [NET] IPV4: Fix w... |
1257 |
strcpy(ifa->ifa_label + (IFNAMSIZ - strlen(dot) - 1), dot); |
573bf470e ipv4 addr: Send n... |
1258 1259 |
skip: rtmsg_ifa(RTM_NEWADDR, ifa, NULL, 0); |
e905a9eda [NET] IPV4: Fix w... |
1260 1261 |
} } |
1da177e4c Linux-2.6.12-rc2 |
1262 |
|
40384999d ipv4: change inet... |
1263 |
static bool inetdev_valid_mtu(unsigned int mtu) |
06770843c ipv: Re-enable IP... |
1264 1265 1266 |
{ return mtu >= 68; } |
d11327ad6 arp_notify: uncon... |
1267 1268 1269 1270 |
static void inetdev_send_gratuitous_arp(struct net_device *dev, struct in_device *in_dev) { |
b76d0789c IPv4: Send gratui... |
1271 |
struct in_ifaddr *ifa; |
d11327ad6 arp_notify: uncon... |
1272 |
|
b76d0789c IPv4: Send gratui... |
1273 1274 1275 1276 1277 1278 1279 |
for (ifa = in_dev->ifa_list; ifa; ifa = ifa->ifa_next) { arp_send(ARPOP_REQUEST, ETH_P_ARP, ifa->ifa_local, dev, ifa->ifa_local, NULL, dev->dev_addr, NULL); } |
d11327ad6 arp_notify: uncon... |
1280 |
} |
1da177e4c Linux-2.6.12-rc2 |
1281 1282 1283 1284 1285 |
/* Called only under RTNL semaphore */ static int inetdev_event(struct notifier_block *this, unsigned long event, void *ptr) { |
351638e7d net: pass info st... |
1286 |
struct net_device *dev = netdev_notifier_info_to_dev(ptr); |
748e2d939 net: reinstate rt... |
1287 |
struct in_device *in_dev = __in_dev_get_rtnl(dev); |
0115e8e30 net: remove delay... |
1288 |
|
1da177e4c Linux-2.6.12-rc2 |
1289 1290 1291 |
ASSERT_RTNL(); if (!in_dev) { |
8030f5449 [IPV4] devinet: R... |
1292 |
if (event == NETDEV_REGISTER) { |
1da177e4c Linux-2.6.12-rc2 |
1293 |
in_dev = inetdev_init(dev); |
b217d616a [IPV4/IPV6]: Fail... |
1294 1295 |
if (!in_dev) return notifier_from_errno(-ENOMEM); |
0cc217e16 [IPV4]: When poss... |
1296 |
if (dev->flags & IFF_LOOPBACK) { |
42f811b8b [IPV4]: Convert I... |
1297 1298 |
IN_DEV_CONF_SET(in_dev, NOXFRM, 1); IN_DEV_CONF_SET(in_dev, NOPOLICY, 1); |
8030f5449 [IPV4] devinet: R... |
1299 |
} |
06770843c ipv: Re-enable IP... |
1300 1301 1302 1303 |
} else if (event == NETDEV_CHANGEMTU) { /* Re-enabling IP */ if (inetdev_valid_mtu(dev->mtu)) in_dev = inetdev_init(dev); |
1da177e4c Linux-2.6.12-rc2 |
1304 1305 1306 1307 1308 1309 |
} goto out; } switch (event) { case NETDEV_REGISTER: |
91df42bed net: ipv4 and ipv... |
1310 1311 |
pr_debug("%s: bug ", __func__); |
a9b3cd7f3 rcu: convert uses... |
1312 |
RCU_INIT_POINTER(dev->ip_ptr, NULL); |
1da177e4c Linux-2.6.12-rc2 |
1313 1314 |
break; case NETDEV_UP: |
06770843c ipv: Re-enable IP... |
1315 |
if (!inetdev_valid_mtu(dev->mtu)) |
1da177e4c Linux-2.6.12-rc2 |
1316 |
break; |
0cc217e16 [IPV4]: When poss... |
1317 |
if (dev->flags & IFF_LOOPBACK) { |
9f9354b92 net: net/ipv4/dev... |
1318 1319 1320 |
struct in_ifaddr *ifa = inet_alloc_ifa(); if (ifa) { |
fd23c3b31 ipv4: Add hash ta... |
1321 |
INIT_HLIST_NODE(&ifa->hash); |
1da177e4c Linux-2.6.12-rc2 |
1322 1323 1324 1325 1326 1327 1328 1329 |
ifa->ifa_local = ifa->ifa_address = htonl(INADDR_LOOPBACK); ifa->ifa_prefixlen = 8; ifa->ifa_mask = inet_make_mask(8); in_dev_hold(in_dev); ifa->ifa_dev = in_dev; ifa->ifa_scope = RT_SCOPE_HOST; memcpy(ifa->ifa_label, dev->name, IFNAMSIZ); |
5c766d642 ipv4: introduce a... |
1330 1331 |
set_ifa_lifetime(ifa, INFINITY_LIFE_TIME, INFINITY_LIFE_TIME); |
dfd1582d1 ipv4: loopback de... |
1332 1333 |
ipv4_devconf_setall(in_dev); neigh_parms_data_state_setall(in_dev->arp_parms); |
1da177e4c Linux-2.6.12-rc2 |
1334 1335 1336 1337 |
inet_insert_ifa(ifa); } } ip_mc_up(in_dev); |
eefef1cf7 net: add ARP noti... |
1338 1339 |
/* fall through */ case NETDEV_CHANGEADDR: |
d11327ad6 arp_notify: uncon... |
1340 1341 1342 1343 |
if (!IN_DEV_ARP_NOTIFY(in_dev)) break; /* fall through */ case NETDEV_NOTIFY_PEERS: |
a21090cff ipv4: arp_notify ... |
1344 |
/* Send gratuitous ARP to notify of link change */ |
d11327ad6 arp_notify: uncon... |
1345 |
inetdev_send_gratuitous_arp(dev, in_dev); |
1da177e4c Linux-2.6.12-rc2 |
1346 1347 1348 1349 |
break; case NETDEV_DOWN: ip_mc_down(in_dev); break; |
93d9b7d7a net: rename notif... |
1350 |
case NETDEV_PRE_TYPE_CHANGE: |
75c78500d bonding: remap mu... |
1351 1352 |
ip_mc_unmap(in_dev); break; |
93d9b7d7a net: rename notif... |
1353 |
case NETDEV_POST_TYPE_CHANGE: |
75c78500d bonding: remap mu... |
1354 1355 |
ip_mc_remap(in_dev); break; |
1da177e4c Linux-2.6.12-rc2 |
1356 |
case NETDEV_CHANGEMTU: |
06770843c ipv: Re-enable IP... |
1357 |
if (inetdev_valid_mtu(dev->mtu)) |
1da177e4c Linux-2.6.12-rc2 |
1358 |
break; |
06770843c ipv: Re-enable IP... |
1359 |
/* disable IP when MTU is not enough */ |
1da177e4c Linux-2.6.12-rc2 |
1360 1361 1362 1363 1364 1365 1366 1367 |
case NETDEV_UNREGISTER: inetdev_destroy(in_dev); break; case NETDEV_CHANGENAME: /* Do not notify about label change, this event is * not interesting to applications using netlink. */ inetdev_changename(dev, in_dev); |
51602b2a5 [IPV4]: Cleanup s... |
1368 |
devinet_sysctl_unregister(in_dev); |
66f27a520 [IPV4]: Unify and... |
1369 |
devinet_sysctl_register(in_dev); |
1da177e4c Linux-2.6.12-rc2 |
1370 1371 1372 1373 1374 1375 1376 |
break; } out: return NOTIFY_DONE; } static struct notifier_block ip_netdev_notifier = { |
539afedfc net: clean up net... |
1377 |
.notifier_call = inetdev_event, |
1da177e4c Linux-2.6.12-rc2 |
1378 |
}; |
40384999d ipv4: change inet... |
1379 |
static size_t inet_nlmsg_size(void) |
339bf98ff [NETLINK]: Do pre... |
1380 1381 1382 1383 1384 |
{ return NLMSG_ALIGN(sizeof(struct ifaddrmsg)) + nla_total_size(4) /* IFA_ADDRESS */ + nla_total_size(4) /* IFA_LOCAL */ + nla_total_size(4) /* IFA_BROADCAST */ |
ad6c81359 ipv4: add support... |
1385 |
+ nla_total_size(IFNAMSIZ) /* IFA_LABEL */ |
63b5f152e ipv4: Fix runtime... |
1386 1387 |
+ nla_total_size(4) /* IFA_FLAGS */ + nla_total_size(sizeof(struct ifa_cacheinfo)); /* IFA_CACHEINFO */ |
339bf98ff [NETLINK]: Do pre... |
1388 |
} |
5c766d642 ipv4: introduce a... |
1389 1390 1391 1392 1393 1394 1395 1396 1397 1398 1399 1400 1401 1402 1403 1404 1405 |
static inline u32 cstamp_delta(unsigned long cstamp) { return (cstamp - INITIAL_JIFFIES) * 100UL / HZ; } static int put_cacheinfo(struct sk_buff *skb, unsigned long cstamp, unsigned long tstamp, u32 preferred, u32 valid) { struct ifa_cacheinfo ci; ci.cstamp = cstamp_delta(cstamp); ci.tstamp = cstamp_delta(tstamp); ci.ifa_prefered = preferred; ci.ifa_valid = valid; return nla_put(skb, IFA_CACHEINFO, sizeof(ci), &ci); } |
1da177e4c Linux-2.6.12-rc2 |
1406 |
static int inet_fill_ifaddr(struct sk_buff *skb, struct in_ifaddr *ifa, |
15e473046 netlink: Rename p... |
1407 |
u32 portid, u32 seq, int event, unsigned int flags) |
1da177e4c Linux-2.6.12-rc2 |
1408 1409 1410 |
{ struct ifaddrmsg *ifm; struct nlmsghdr *nlh; |
5c766d642 ipv4: introduce a... |
1411 |
u32 preferred, valid; |
1da177e4c Linux-2.6.12-rc2 |
1412 |
|
15e473046 netlink: Rename p... |
1413 |
nlh = nlmsg_put(skb, portid, seq, event, sizeof(*ifm), flags); |
47f68512d [IPV4]: Convert a... |
1414 |
if (nlh == NULL) |
26932566a [NETLINK]: Don't ... |
1415 |
return -EMSGSIZE; |
47f68512d [IPV4]: Convert a... |
1416 1417 |
ifm = nlmsg_data(nlh); |
1da177e4c Linux-2.6.12-rc2 |
1418 1419 |
ifm->ifa_family = AF_INET; ifm->ifa_prefixlen = ifa->ifa_prefixlen; |
5c766d642 ipv4: introduce a... |
1420 |
ifm->ifa_flags = ifa->ifa_flags; |
1da177e4c Linux-2.6.12-rc2 |
1421 1422 |
ifm->ifa_scope = ifa->ifa_scope; ifm->ifa_index = ifa->ifa_dev->dev->ifindex; |
47f68512d [IPV4]: Convert a... |
1423 |
|
5c766d642 ipv4: introduce a... |
1424 1425 1426 1427 1428 1429 1430 1431 1432 1433 1434 1435 1436 1437 1438 1439 1440 1441 1442 1443 1444 |
if (!(ifm->ifa_flags & IFA_F_PERMANENT)) { preferred = ifa->ifa_preferred_lft; valid = ifa->ifa_valid_lft; if (preferred != INFINITY_LIFE_TIME) { long tval = (jiffies - ifa->ifa_tstamp) / HZ; if (preferred > tval) preferred -= tval; else preferred = 0; if (valid != INFINITY_LIFE_TIME) { if (valid > tval) valid -= tval; else valid = 0; } } } else { preferred = INFINITY_LIFE_TIME; valid = INFINITY_LIFE_TIME; } |
f3756b79e ipv4: Stop using ... |
1445 1446 1447 1448 1449 1450 1451 |
if ((ifa->ifa_address && nla_put_be32(skb, IFA_ADDRESS, ifa->ifa_address)) || (ifa->ifa_local && nla_put_be32(skb, IFA_LOCAL, ifa->ifa_local)) || (ifa->ifa_broadcast && nla_put_be32(skb, IFA_BROADCAST, ifa->ifa_broadcast)) || (ifa->ifa_label[0] && |
5c766d642 ipv4: introduce a... |
1452 |
nla_put_string(skb, IFA_LABEL, ifa->ifa_label)) || |
ad6c81359 ipv4: add support... |
1453 |
nla_put_u32(skb, IFA_FLAGS, ifa->ifa_flags) || |
5c766d642 ipv4: introduce a... |
1454 1455 |
put_cacheinfo(skb, ifa->ifa_cstamp, ifa->ifa_tstamp, preferred, valid)) |
f3756b79e ipv4: Stop using ... |
1456 |
goto nla_put_failure; |
1da177e4c Linux-2.6.12-rc2 |
1457 |
|
47f68512d [IPV4]: Convert a... |
1458 1459 1460 |
return nlmsg_end(skb, nlh); nla_put_failure: |
26932566a [NETLINK]: Don't ... |
1461 1462 |
nlmsg_cancel(skb, nlh); return -EMSGSIZE; |
1da177e4c Linux-2.6.12-rc2 |
1463 1464 1465 1466 |
} static int inet_dump_ifaddr(struct sk_buff *skb, struct netlink_callback *cb) { |
3b1e0a655 [NET] NETNS: Omit... |
1467 |
struct net *net = sock_net(skb->sk); |
eec4df988 ipv4: speedup ine... |
1468 1469 1470 |
int h, s_h; int idx, s_idx; int ip_idx, s_ip_idx; |
1da177e4c Linux-2.6.12-rc2 |
1471 1472 1473 |
struct net_device *dev; struct in_device *in_dev; struct in_ifaddr *ifa; |
eec4df988 ipv4: speedup ine... |
1474 |
struct hlist_head *head; |
1da177e4c Linux-2.6.12-rc2 |
1475 |
|
eec4df988 ipv4: speedup ine... |
1476 1477 1478 1479 1480 1481 1482 1483 |
s_h = cb->args[0]; s_idx = idx = cb->args[1]; s_ip_idx = ip_idx = cb->args[2]; for (h = s_h; h < NETDEV_HASHENTRIES; h++, s_idx = 0) { idx = 0; head = &net->dev_index_head[h]; rcu_read_lock(); |
0465277f6 ipv4: provide add... |
1484 1485 |
cb->seq = atomic_read(&net->ipv4.dev_addr_genid) ^ net->dev_base_seq; |
b67bfe0d4 hlist: drop the n... |
1486 |
hlist_for_each_entry_rcu(dev, head, index_hlist) { |
eec4df988 ipv4: speedup ine... |
1487 1488 |
if (idx < s_idx) goto cont; |
4b97efdf3 net: fix netlink ... |
1489 |
if (h > s_h || idx > s_idx) |
eec4df988 ipv4: speedup ine... |
1490 1491 1492 1493 |
s_ip_idx = 0; in_dev = __in_dev_get_rcu(dev); if (!in_dev) goto cont; |
1da177e4c Linux-2.6.12-rc2 |
1494 |
|
eec4df988 ipv4: speedup ine... |
1495 1496 1497 1498 1499 |
for (ifa = in_dev->ifa_list, ip_idx = 0; ifa; ifa = ifa->ifa_next, ip_idx++) { if (ip_idx < s_ip_idx) continue; if (inet_fill_ifaddr(skb, ifa, |
15e473046 netlink: Rename p... |
1500 |
NETLINK_CB(cb->skb).portid, |
1da177e4c Linux-2.6.12-rc2 |
1501 |
cb->nlh->nlmsg_seq, |
eec4df988 ipv4: speedup ine... |
1502 1503 1504 1505 |
RTM_NEWADDR, NLM_F_MULTI) <= 0) { rcu_read_unlock(); goto done; } |
0465277f6 ipv4: provide add... |
1506 |
nl_dump_check_consistent(cb, nlmsg_hdr(skb)); |
eec4df988 ipv4: speedup ine... |
1507 |
} |
7562f876c [NET]: Rework dev... |
1508 |
cont: |
eec4df988 ipv4: speedup ine... |
1509 1510 1511 |
idx++; } rcu_read_unlock(); |
1da177e4c Linux-2.6.12-rc2 |
1512 1513 1514 |
} done: |
eec4df988 ipv4: speedup ine... |
1515 1516 1517 |
cb->args[0] = h; cb->args[1] = idx; cb->args[2] = ip_idx; |
1da177e4c Linux-2.6.12-rc2 |
1518 1519 1520 |
return skb->len; } |
539afedfc net: clean up net... |
1521 |
static void rtmsg_ifa(int event, struct in_ifaddr *ifa, struct nlmsghdr *nlh, |
15e473046 netlink: Rename p... |
1522 |
u32 portid) |
1da177e4c Linux-2.6.12-rc2 |
1523 |
{ |
47f68512d [IPV4]: Convert a... |
1524 |
struct sk_buff *skb; |
d6062cbbd [IPv4] address: C... |
1525 1526 |
u32 seq = nlh ? nlh->nlmsg_seq : 0; int err = -ENOBUFS; |
4b8aa9abe [NETNS]: Process ... |
1527 |
struct net *net; |
1da177e4c Linux-2.6.12-rc2 |
1528 |
|
c346dca10 [NET] NETNS: Omit... |
1529 |
net = dev_net(ifa->ifa_dev->dev); |
339bf98ff [NETLINK]: Do pre... |
1530 |
skb = nlmsg_new(inet_nlmsg_size(), GFP_KERNEL); |
47f68512d [IPV4]: Convert a... |
1531 |
if (skb == NULL) |
d6062cbbd [IPv4] address: C... |
1532 |
goto errout; |
15e473046 netlink: Rename p... |
1533 |
err = inet_fill_ifaddr(skb, ifa, portid, seq, event, 0); |
26932566a [NETLINK]: Don't ... |
1534 1535 1536 1537 1538 1539 |
if (err < 0) { /* -EMSGSIZE implies BUG in inet_nlmsg_size() */ WARN_ON(err == -EMSGSIZE); kfree_skb(skb); goto errout; } |
15e473046 netlink: Rename p... |
1540 |
rtnl_notify(skb, net, portid, RTNLGRP_IPV4_IFADDR, nlh, GFP_KERNEL); |
1ce85fe40 netlink: change n... |
1541 |
return; |
d6062cbbd [IPv4] address: C... |
1542 1543 |
errout: if (err < 0) |
4b8aa9abe [NETNS]: Process ... |
1544 |
rtnl_set_sk_err(net, RTNLGRP_IPV4_IFADDR, err); |
1da177e4c Linux-2.6.12-rc2 |
1545 |
} |
9f0f7272a ipv4: AF_INET lin... |
1546 1547 |
static size_t inet_get_link_af_size(const struct net_device *dev) { |
1fc19aff8 net: fix two lock... |
1548 |
struct in_device *in_dev = rcu_dereference_rtnl(dev->ip_ptr); |
9f0f7272a ipv4: AF_INET lin... |
1549 1550 1551 1552 1553 1554 1555 1556 1557 |
if (!in_dev) return 0; return nla_total_size(IPV4_DEVCONF_MAX * 4); /* IFLA_INET_CONF */ } static int inet_fill_link_af(struct sk_buff *skb, const struct net_device *dev) { |
1fc19aff8 net: fix two lock... |
1558 |
struct in_device *in_dev = rcu_dereference_rtnl(dev->ip_ptr); |
9f0f7272a ipv4: AF_INET lin... |
1559 1560 1561 1562 1563 1564 1565 1566 1567 1568 1569 1570 1571 1572 1573 1574 1575 1576 1577 |
struct nlattr *nla; int i; if (!in_dev) return -ENODATA; nla = nla_reserve(skb, IFLA_INET_CONF, IPV4_DEVCONF_MAX * 4); if (nla == NULL) return -EMSGSIZE; for (i = 0; i < IPV4_DEVCONF_MAX; i++) ((u32 *) nla_data(nla))[i] = in_dev->cnf.data[i]; return 0; } static const struct nla_policy inet_af_policy[IFLA_INET_MAX+1] = { [IFLA_INET_CONF] = { .type = NLA_NESTED }, }; |
cf7afbfeb rtnl: make link a... |
1578 1579 |
static int inet_validate_link_af(const struct net_device *dev, const struct nlattr *nla) |
9f0f7272a ipv4: AF_INET lin... |
1580 |
{ |
9f0f7272a ipv4: AF_INET lin... |
1581 1582 |
struct nlattr *a, *tb[IFLA_INET_MAX+1]; int err, rem; |
f7fce74e3 net: kill an RCU ... |
1583 |
if (dev && !__in_dev_get_rtnl(dev)) |
cf7afbfeb rtnl: make link a... |
1584 |
return -EAFNOSUPPORT; |
9f0f7272a ipv4: AF_INET lin... |
1585 1586 1587 1588 1589 1590 1591 1592 1593 1594 1595 1596 1597 1598 1599 1600 |
err = nla_parse_nested(tb, IFLA_INET_MAX, nla, inet_af_policy); if (err < 0) return err; if (tb[IFLA_INET_CONF]) { nla_for_each_nested(a, tb[IFLA_INET_CONF], rem) { int cfgid = nla_type(a); if (nla_len(a) < 4) return -EINVAL; if (cfgid <= 0 || cfgid > IPV4_DEVCONF_MAX) return -EINVAL; } } |
cf7afbfeb rtnl: make link a... |
1601 1602 1603 1604 1605 |
return 0; } static int inet_set_link_af(struct net_device *dev, const struct nlattr *nla) { |
f7fce74e3 net: kill an RCU ... |
1606 |
struct in_device *in_dev = __in_dev_get_rtnl(dev); |
cf7afbfeb rtnl: make link a... |
1607 1608 1609 1610 1611 1612 1613 1614 |
struct nlattr *a, *tb[IFLA_INET_MAX+1]; int rem; if (!in_dev) return -EAFNOSUPPORT; if (nla_parse_nested(tb, IFLA_INET_MAX, nla, NULL) < 0) BUG(); |
9f0f7272a ipv4: AF_INET lin... |
1615 1616 1617 1618 1619 1620 1621 |
if (tb[IFLA_INET_CONF]) { nla_for_each_nested(a, tb[IFLA_INET_CONF], rem) ipv4_devconf_set(in_dev, nla_type(a), nla_get_u32(a)); } return 0; } |
edc9e7489 rtnl/ipv4: use ne... |
1622 1623 1624 1625 |
static int inet_netconf_msgsize_devconf(int type) { int size = NLMSG_ALIGN(sizeof(struct netconfmsg)) + nla_total_size(4); /* NETCONFA_IFINDEX */ |
9e5511106 rtnl/ipv4: add su... |
1626 1627 |
/* type -1 is used for ALL */ if (type == -1 || type == NETCONFA_FORWARDING) |
edc9e7489 rtnl/ipv4: use ne... |
1628 |
size += nla_total_size(4); |
cc535dfb6 rtnl/ipv4: use ne... |
1629 1630 |
if (type == -1 || type == NETCONFA_RP_FILTER) size += nla_total_size(4); |
d67b8c616 netconf: advertis... |
1631 1632 |
if (type == -1 || type == NETCONFA_MC_FORWARDING) size += nla_total_size(4); |
09aea5df7 netconf: rename P... |
1633 |
if (type == -1 || type == NETCONFA_PROXY_NEIGH) |
f085ff1c1 netconf: add prox... |
1634 |
size += nla_total_size(4); |
edc9e7489 rtnl/ipv4: use ne... |
1635 1636 1637 1638 1639 1640 1641 1642 1643 1644 1645 1646 1647 1648 1649 1650 1651 1652 1653 1654 1655 1656 |
return size; } static int inet_netconf_fill_devconf(struct sk_buff *skb, int ifindex, struct ipv4_devconf *devconf, u32 portid, u32 seq, int event, unsigned int flags, int type) { struct nlmsghdr *nlh; struct netconfmsg *ncm; nlh = nlmsg_put(skb, portid, seq, event, sizeof(struct netconfmsg), flags); if (nlh == NULL) return -EMSGSIZE; ncm = nlmsg_data(nlh); ncm->ncm_family = AF_INET; if (nla_put_s32(skb, NETCONFA_IFINDEX, ifindex) < 0) goto nla_put_failure; |
9e5511106 rtnl/ipv4: add su... |
1657 1658 |
/* type -1 is used for ALL */ if ((type == -1 || type == NETCONFA_FORWARDING) && |
edc9e7489 rtnl/ipv4: use ne... |
1659 1660 1661 |
nla_put_s32(skb, NETCONFA_FORWARDING, IPV4_DEVCONF(*devconf, FORWARDING)) < 0) goto nla_put_failure; |
cc535dfb6 rtnl/ipv4: use ne... |
1662 1663 1664 1665 |
if ((type == -1 || type == NETCONFA_RP_FILTER) && nla_put_s32(skb, NETCONFA_RP_FILTER, IPV4_DEVCONF(*devconf, RP_FILTER)) < 0) goto nla_put_failure; |
d67b8c616 netconf: advertis... |
1666 1667 1668 1669 |
if ((type == -1 || type == NETCONFA_MC_FORWARDING) && nla_put_s32(skb, NETCONFA_MC_FORWARDING, IPV4_DEVCONF(*devconf, MC_FORWARDING)) < 0) goto nla_put_failure; |
09aea5df7 netconf: rename P... |
1670 1671 |
if ((type == -1 || type == NETCONFA_PROXY_NEIGH) && nla_put_s32(skb, NETCONFA_PROXY_NEIGH, |
f085ff1c1 netconf: add prox... |
1672 1673 |
IPV4_DEVCONF(*devconf, PROXY_ARP)) < 0) goto nla_put_failure; |
edc9e7489 rtnl/ipv4: use ne... |
1674 1675 1676 1677 1678 1679 1680 |
return nlmsg_end(skb, nlh); nla_put_failure: nlmsg_cancel(skb, nlh); return -EMSGSIZE; } |
d67b8c616 netconf: advertis... |
1681 1682 |
void inet_netconf_notify_devconf(struct net *net, int type, int ifindex, struct ipv4_devconf *devconf) |
edc9e7489 rtnl/ipv4: use ne... |
1683 1684 1685 1686 1687 1688 1689 1690 1691 1692 1693 1694 1695 1696 1697 1698 1699 1700 1701 1702 1703 1704 |
{ struct sk_buff *skb; int err = -ENOBUFS; skb = nlmsg_new(inet_netconf_msgsize_devconf(type), GFP_ATOMIC); if (skb == NULL) goto errout; err = inet_netconf_fill_devconf(skb, ifindex, devconf, 0, 0, RTM_NEWNETCONF, 0, type); if (err < 0) { /* -EMSGSIZE implies BUG in inet_netconf_msgsize_devconf() */ WARN_ON(err == -EMSGSIZE); kfree_skb(skb); goto errout; } rtnl_notify(skb, net, 0, RTNLGRP_IPV4_NETCONF, NULL, GFP_ATOMIC); return; errout: if (err < 0) rtnl_set_sk_err(net, RTNLGRP_IPV4_NETCONF, err); } |
9e5511106 rtnl/ipv4: add su... |
1705 1706 1707 |
static const struct nla_policy devconf_ipv4_policy[NETCONFA_MAX+1] = { [NETCONFA_IFINDEX] = { .len = sizeof(int) }, [NETCONFA_FORWARDING] = { .len = sizeof(int) }, |
cc535dfb6 rtnl/ipv4: use ne... |
1708 |
[NETCONFA_RP_FILTER] = { .len = sizeof(int) }, |
09aea5df7 netconf: rename P... |
1709 |
[NETCONFA_PROXY_NEIGH] = { .len = sizeof(int) }, |
9e5511106 rtnl/ipv4: add su... |
1710 1711 1712 |
}; static int inet_netconf_get_devconf(struct sk_buff *in_skb, |
661d2967b rtnetlink: Remove... |
1713 |
struct nlmsghdr *nlh) |
9e5511106 rtnl/ipv4: add su... |
1714 1715 1716 1717 1718 1719 1720 1721 1722 1723 1724 1725 1726 1727 1728 1729 1730 1731 1732 1733 1734 1735 1736 1737 1738 1739 1740 1741 1742 1743 1744 1745 1746 1747 1748 1749 1750 1751 1752 1753 1754 1755 1756 1757 1758 1759 1760 1761 1762 1763 1764 1765 1766 1767 1768 1769 1770 1771 |
{ struct net *net = sock_net(in_skb->sk); struct nlattr *tb[NETCONFA_MAX+1]; struct netconfmsg *ncm; struct sk_buff *skb; struct ipv4_devconf *devconf; struct in_device *in_dev; struct net_device *dev; int ifindex; int err; err = nlmsg_parse(nlh, sizeof(*ncm), tb, NETCONFA_MAX, devconf_ipv4_policy); if (err < 0) goto errout; err = EINVAL; if (!tb[NETCONFA_IFINDEX]) goto errout; ifindex = nla_get_s32(tb[NETCONFA_IFINDEX]); switch (ifindex) { case NETCONFA_IFINDEX_ALL: devconf = net->ipv4.devconf_all; break; case NETCONFA_IFINDEX_DEFAULT: devconf = net->ipv4.devconf_dflt; break; default: dev = __dev_get_by_index(net, ifindex); if (dev == NULL) goto errout; in_dev = __in_dev_get_rtnl(dev); if (in_dev == NULL) goto errout; devconf = &in_dev->cnf; break; } err = -ENOBUFS; skb = nlmsg_new(inet_netconf_msgsize_devconf(-1), GFP_ATOMIC); if (skb == NULL) goto errout; err = inet_netconf_fill_devconf(skb, ifindex, devconf, NETLINK_CB(in_skb).portid, nlh->nlmsg_seq, RTM_NEWNETCONF, 0, -1); if (err < 0) { /* -EMSGSIZE implies BUG in inet_netconf_msgsize_devconf() */ WARN_ON(err == -EMSGSIZE); kfree_skb(skb); goto errout; } err = rtnl_unicast(skb, net, NETLINK_CB(in_skb).portid); errout: return err; } |
7a6742003 netconf: add the ... |
1772 1773 1774 1775 1776 1777 1778 1779 1780 1781 1782 1783 1784 1785 1786 1787 1788 |
static int inet_netconf_dump_devconf(struct sk_buff *skb, struct netlink_callback *cb) { struct net *net = sock_net(skb->sk); int h, s_h; int idx, s_idx; struct net_device *dev; struct in_device *in_dev; struct hlist_head *head; s_h = cb->args[0]; s_idx = idx = cb->args[1]; for (h = s_h; h < NETDEV_HASHENTRIES; h++, s_idx = 0) { idx = 0; head = &net->dev_index_head[h]; rcu_read_lock(); |
0465277f6 ipv4: provide add... |
1789 1790 |
cb->seq = atomic_read(&net->ipv4.dev_addr_genid) ^ net->dev_base_seq; |
7a6742003 netconf: add the ... |
1791 1792 1793 1794 1795 1796 1797 1798 1799 1800 1801 1802 1803 1804 1805 1806 1807 |
hlist_for_each_entry_rcu(dev, head, index_hlist) { if (idx < s_idx) goto cont; in_dev = __in_dev_get_rcu(dev); if (!in_dev) goto cont; if (inet_netconf_fill_devconf(skb, dev->ifindex, &in_dev->cnf, NETLINK_CB(cb->skb).portid, cb->nlh->nlmsg_seq, RTM_NEWNETCONF, NLM_F_MULTI, -1) <= 0) { rcu_read_unlock(); goto done; } |
0465277f6 ipv4: provide add... |
1808 |
nl_dump_check_consistent(cb, nlmsg_hdr(skb)); |
7a6742003 netconf: add the ... |
1809 1810 1811 1812 1813 1814 1815 1816 1817 1818 1819 1820 1821 1822 1823 1824 1825 1826 1827 1828 1829 1830 1831 1832 1833 1834 1835 1836 1837 1838 1839 1840 1841 |
cont: idx++; } rcu_read_unlock(); } if (h == NETDEV_HASHENTRIES) { if (inet_netconf_fill_devconf(skb, NETCONFA_IFINDEX_ALL, net->ipv4.devconf_all, NETLINK_CB(cb->skb).portid, cb->nlh->nlmsg_seq, RTM_NEWNETCONF, NLM_F_MULTI, -1) <= 0) goto done; else h++; } if (h == NETDEV_HASHENTRIES + 1) { if (inet_netconf_fill_devconf(skb, NETCONFA_IFINDEX_DEFAULT, net->ipv4.devconf_dflt, NETLINK_CB(cb->skb).portid, cb->nlh->nlmsg_seq, RTM_NEWNETCONF, NLM_F_MULTI, -1) <= 0) goto done; else h++; } done: cb->args[0] = h; cb->args[1] = idx; return skb->len; } |
1da177e4c Linux-2.6.12-rc2 |
1842 |
#ifdef CONFIG_SYSCTL |
c0ce9fb30 [IPV4]: Store the... |
1843 |
static void devinet_copy_dflt_conf(struct net *net, int i) |
31be30854 [IPV4]: Add defau... |
1844 1845 |
{ struct net_device *dev; |
c6d14c845 net: Introduce fo... |
1846 1847 |
rcu_read_lock(); for_each_netdev_rcu(net, dev) { |
31be30854 [IPV4]: Add defau... |
1848 |
struct in_device *in_dev; |
c6d14c845 net: Introduce fo... |
1849 |
|
31be30854 [IPV4]: Add defau... |
1850 1851 |
in_dev = __in_dev_get_rcu(dev); if (in_dev && !test_bit(i, in_dev->cnf.state)) |
9355bbd68 [IPV4]: Switch us... |
1852 |
in_dev->cnf.data[i] = net->ipv4.devconf_dflt->data[i]; |
31be30854 [IPV4]: Add defau... |
1853 |
} |
c6d14c845 net: Introduce fo... |
1854 |
rcu_read_unlock(); |
31be30854 [IPV4]: Add defau... |
1855 |
} |
c6d14c845 net: Introduce fo... |
1856 |
/* called with RTNL locked */ |
c0ce9fb30 [IPV4]: Store the... |
1857 |
static void inet_forward_change(struct net *net) |
68dd299bc [INET]: Merge sys... |
1858 1859 |
{ struct net_device *dev; |
586f12115 [IPV4]: Switch us... |
1860 |
int on = IPV4_DEVCONF_ALL(net, FORWARDING); |
68dd299bc [INET]: Merge sys... |
1861 |
|
586f12115 [IPV4]: Switch us... |
1862 |
IPV4_DEVCONF_ALL(net, ACCEPT_REDIRECTS) = !on; |
9355bbd68 [IPV4]: Switch us... |
1863 |
IPV4_DEVCONF_DFLT(net, FORWARDING) = on; |
edc9e7489 rtnl/ipv4: use ne... |
1864 1865 1866 1867 1868 1869 |
inet_netconf_notify_devconf(net, NETCONFA_FORWARDING, NETCONFA_IFINDEX_ALL, net->ipv4.devconf_all); inet_netconf_notify_devconf(net, NETCONFA_FORWARDING, NETCONFA_IFINDEX_DEFAULT, net->ipv4.devconf_dflt); |
68dd299bc [INET]: Merge sys... |
1870 |
|
c0ce9fb30 [IPV4]: Store the... |
1871 |
for_each_netdev(net, dev) { |
68dd299bc [INET]: Merge sys... |
1872 |
struct in_device *in_dev; |
0187bdfb0 net: Disable LRO ... |
1873 1874 |
if (on) dev_disable_lro(dev); |
68dd299bc [INET]: Merge sys... |
1875 1876 |
rcu_read_lock(); in_dev = __in_dev_get_rcu(dev); |
edc9e7489 rtnl/ipv4: use ne... |
1877 |
if (in_dev) { |
68dd299bc [INET]: Merge sys... |
1878 |
IN_DEV_CONF_SET(in_dev, FORWARDING, on); |
edc9e7489 rtnl/ipv4: use ne... |
1879 1880 1881 |
inet_netconf_notify_devconf(net, NETCONFA_FORWARDING, dev->ifindex, &in_dev->cnf); } |
68dd299bc [INET]: Merge sys... |
1882 1883 |
rcu_read_unlock(); } |
68dd299bc [INET]: Merge sys... |
1884 |
} |
f085ff1c1 netconf: add prox... |
1885 1886 1887 1888 1889 1890 1891 1892 1893 1894 1895 1896 |
static int devinet_conf_ifindex(struct net *net, struct ipv4_devconf *cnf) { if (cnf == net->ipv4.devconf_dflt) return NETCONFA_IFINDEX_DEFAULT; else if (cnf == net->ipv4.devconf_all) return NETCONFA_IFINDEX_ALL; else { struct in_device *idev = container_of(cnf, struct in_device, cnf); return idev->dev->ifindex; } } |
fe2c6338f net: Convert uses... |
1897 |
static int devinet_conf_proc(struct ctl_table *ctl, int write, |
8d65af789 sysctl: remove "s... |
1898 |
void __user *buffer, |
31be30854 [IPV4]: Add defau... |
1899 1900 |
size_t *lenp, loff_t *ppos) { |
d01ff0a04 ipv4: flush route... |
1901 |
int old_value = *(int *)ctl->data; |
8d65af789 sysctl: remove "s... |
1902 |
int ret = proc_dointvec(ctl, write, buffer, lenp, ppos); |
d01ff0a04 ipv4: flush route... |
1903 |
int new_value = *(int *)ctl->data; |
31be30854 [IPV4]: Add defau... |
1904 1905 1906 |
if (write) { struct ipv4_devconf *cnf = ctl->extra1; |
c0ce9fb30 [IPV4]: Store the... |
1907 |
struct net *net = ctl->extra2; |
31be30854 [IPV4]: Add defau... |
1908 |
int i = (int *)ctl->data - cnf->data; |
f085ff1c1 netconf: add prox... |
1909 |
int ifindex; |
31be30854 [IPV4]: Add defau... |
1910 1911 |
set_bit(i, cnf->state); |
9355bbd68 [IPV4]: Switch us... |
1912 |
if (cnf == net->ipv4.devconf_dflt) |
c0ce9fb30 [IPV4]: Store the... |
1913 |
devinet_copy_dflt_conf(net, i); |
d0daebc3d ipv4: Add interfa... |
1914 1915 |
if (i == IPV4_DEVCONF_ACCEPT_LOCAL - 1 || i == IPV4_DEVCONF_ROUTE_LOCALNET - 1) |
d01ff0a04 ipv4: flush route... |
1916 |
if ((new_value == 0) && (old_value != 0)) |
4ccfe6d41 ipv4/route: arg d... |
1917 |
rt_cache_flush(net); |
f085ff1c1 netconf: add prox... |
1918 |
|
cc535dfb6 rtnl/ipv4: use ne... |
1919 1920 |
if (i == IPV4_DEVCONF_RP_FILTER - 1 && new_value != old_value) { |
f085ff1c1 netconf: add prox... |
1921 |
ifindex = devinet_conf_ifindex(net, cnf); |
cc535dfb6 rtnl/ipv4: use ne... |
1922 1923 1924 |
inet_netconf_notify_devconf(net, NETCONFA_RP_FILTER, ifindex, cnf); } |
f085ff1c1 netconf: add prox... |
1925 1926 1927 |
if (i == IPV4_DEVCONF_PROXY_ARP - 1 && new_value != old_value) { ifindex = devinet_conf_ifindex(net, cnf); |
09aea5df7 netconf: rename P... |
1928 |
inet_netconf_notify_devconf(net, NETCONFA_PROXY_NEIGH, |
f085ff1c1 netconf: add prox... |
1929 1930 |
ifindex, cnf); } |
31be30854 [IPV4]: Add defau... |
1931 1932 1933 1934 |
} return ret; } |
fe2c6338f net: Convert uses... |
1935 |
static int devinet_sysctl_forward(struct ctl_table *ctl, int write, |
8d65af789 sysctl: remove "s... |
1936 |
void __user *buffer, |
1da177e4c Linux-2.6.12-rc2 |
1937 1938 1939 1940 |
size_t *lenp, loff_t *ppos) { int *valp = ctl->data; int val = *valp; |
88af182e3 net: Fix sysctl r... |
1941 |
loff_t pos = *ppos; |
8d65af789 sysctl: remove "s... |
1942 |
int ret = proc_dointvec(ctl, write, buffer, lenp, ppos); |
1da177e4c Linux-2.6.12-rc2 |
1943 1944 |
if (write && *valp != val) { |
c0ce9fb30 [IPV4]: Store the... |
1945 |
struct net *net = ctl->extra2; |
0187bdfb0 net: Disable LRO ... |
1946 |
if (valp != &IPV4_DEVCONF_DFLT(net, FORWARDING)) { |
88af182e3 net: Fix sysctl r... |
1947 1948 1949 1950 |
if (!rtnl_trylock()) { /* Restore the original values before restarting */ *valp = val; *ppos = pos; |
9b8adb5ea net: Fix devinet_... |
1951 |
return restart_syscall(); |
88af182e3 net: Fix sysctl r... |
1952 |
} |
0187bdfb0 net: Disable LRO ... |
1953 1954 |
if (valp == &IPV4_DEVCONF_ALL(net, FORWARDING)) { inet_forward_change(net); |
edc9e7489 rtnl/ipv4: use ne... |
1955 |
} else { |
0187bdfb0 net: Disable LRO ... |
1956 1957 1958 |
struct ipv4_devconf *cnf = ctl->extra1; struct in_device *idev = container_of(cnf, struct in_device, cnf); |
edc9e7489 rtnl/ipv4: use ne... |
1959 1960 1961 1962 1963 1964 |
if (*valp) dev_disable_lro(idev->dev); inet_netconf_notify_devconf(net, NETCONFA_FORWARDING, idev->dev->ifindex, cnf); |
0187bdfb0 net: Disable LRO ... |
1965 1966 |
} rtnl_unlock(); |
4ccfe6d41 ipv4/route: arg d... |
1967 |
rt_cache_flush(net); |
edc9e7489 rtnl/ipv4: use ne... |
1968 1969 1970 1971 |
} else inet_netconf_notify_devconf(net, NETCONFA_FORWARDING, NETCONFA_IFINDEX_DEFAULT, net->ipv4.devconf_dflt); |
1da177e4c Linux-2.6.12-rc2 |
1972 1973 1974 1975 |
} return ret; } |
fe2c6338f net: Convert uses... |
1976 |
static int ipv4_doint_and_flush(struct ctl_table *ctl, int write, |
323e126f0 ipv4: Don't pre-s... |
1977 1978 |
void __user *buffer, size_t *lenp, loff_t *ppos) |
1da177e4c Linux-2.6.12-rc2 |
1979 1980 1981 |
{ int *valp = ctl->data; int val = *valp; |
8d65af789 sysctl: remove "s... |
1982 |
int ret = proc_dointvec(ctl, write, buffer, lenp, ppos); |
76e6ebfb4 netns: add namesp... |
1983 |
struct net *net = ctl->extra2; |
1da177e4c Linux-2.6.12-rc2 |
1984 1985 |
if (write && *valp != val) |
4ccfe6d41 ipv4/route: arg d... |
1986 |
rt_cache_flush(net); |
1da177e4c Linux-2.6.12-rc2 |
1987 1988 1989 |
return ret; } |
f8572d8f2 sysctl net: Remov... |
1990 |
#define DEVINET_SYSCTL_ENTRY(attr, name, mval, proc) \ |
42f811b8b [IPV4]: Convert I... |
1991 |
{ \ |
42f811b8b [IPV4]: Convert I... |
1992 1993 |
.procname = name, \ .data = ipv4_devconf.data + \ |
02291680f net ipv4: Decoupl... |
1994 |
IPV4_DEVCONF_ ## attr - 1, \ |
42f811b8b [IPV4]: Convert I... |
1995 1996 1997 |
.maxlen = sizeof(int), \ .mode = mval, \ .proc_handler = proc, \ |
31be30854 [IPV4]: Add defau... |
1998 |
.extra1 = &ipv4_devconf, \ |
42f811b8b [IPV4]: Convert I... |
1999 2000 2001 |
} #define DEVINET_SYSCTL_RW_ENTRY(attr, name) \ |
f8572d8f2 sysctl net: Remov... |
2002 |
DEVINET_SYSCTL_ENTRY(attr, name, 0644, devinet_conf_proc) |
42f811b8b [IPV4]: Convert I... |
2003 2004 |
#define DEVINET_SYSCTL_RO_ENTRY(attr, name) \ |
f8572d8f2 sysctl net: Remov... |
2005 |
DEVINET_SYSCTL_ENTRY(attr, name, 0444, devinet_conf_proc) |
42f811b8b [IPV4]: Convert I... |
2006 |
|
f8572d8f2 sysctl net: Remov... |
2007 2008 |
#define DEVINET_SYSCTL_COMPLEX_ENTRY(attr, name, proc) \ DEVINET_SYSCTL_ENTRY(attr, name, 0644, proc) |
42f811b8b [IPV4]: Convert I... |
2009 2010 |
#define DEVINET_SYSCTL_FLUSHING_ENTRY(attr, name) \ |
f8572d8f2 sysctl net: Remov... |
2011 |
DEVINET_SYSCTL_COMPLEX_ENTRY(attr, name, ipv4_doint_and_flush) |
42f811b8b [IPV4]: Convert I... |
2012 |
|
1da177e4c Linux-2.6.12-rc2 |
2013 2014 |
static struct devinet_sysctl_table { struct ctl_table_header *sysctl_header; |
02291680f net ipv4: Decoupl... |
2015 |
struct ctl_table devinet_vars[__IPV4_DEVCONF_MAX]; |
1da177e4c Linux-2.6.12-rc2 |
2016 2017 |
} devinet_sysctl = { .devinet_vars = { |
42f811b8b [IPV4]: Convert I... |
2018 |
DEVINET_SYSCTL_COMPLEX_ENTRY(FORWARDING, "forwarding", |
f8572d8f2 sysctl net: Remov... |
2019 |
devinet_sysctl_forward), |
42f811b8b [IPV4]: Convert I... |
2020 2021 2022 2023 2024 2025 2026 2027 2028 |
DEVINET_SYSCTL_RO_ENTRY(MC_FORWARDING, "mc_forwarding"), DEVINET_SYSCTL_RW_ENTRY(ACCEPT_REDIRECTS, "accept_redirects"), DEVINET_SYSCTL_RW_ENTRY(SECURE_REDIRECTS, "secure_redirects"), DEVINET_SYSCTL_RW_ENTRY(SHARED_MEDIA, "shared_media"), DEVINET_SYSCTL_RW_ENTRY(RP_FILTER, "rp_filter"), DEVINET_SYSCTL_RW_ENTRY(SEND_REDIRECTS, "send_redirects"), DEVINET_SYSCTL_RW_ENTRY(ACCEPT_SOURCE_ROUTE, "accept_source_route"), |
8153a10c0 ipv4 05/05: add s... |
2029 |
DEVINET_SYSCTL_RW_ENTRY(ACCEPT_LOCAL, "accept_local"), |
28f6aeea3 net: restore ip s... |
2030 |
DEVINET_SYSCTL_RW_ENTRY(SRC_VMARK, "src_valid_mark"), |
42f811b8b [IPV4]: Convert I... |
2031 2032 2033 2034 2035 2036 2037 2038 2039 |
DEVINET_SYSCTL_RW_ENTRY(PROXY_ARP, "proxy_arp"), DEVINET_SYSCTL_RW_ENTRY(MEDIUM_ID, "medium_id"), DEVINET_SYSCTL_RW_ENTRY(BOOTP_RELAY, "bootp_relay"), DEVINET_SYSCTL_RW_ENTRY(LOG_MARTIANS, "log_martians"), DEVINET_SYSCTL_RW_ENTRY(TAG, "tag"), DEVINET_SYSCTL_RW_ENTRY(ARPFILTER, "arp_filter"), DEVINET_SYSCTL_RW_ENTRY(ARP_ANNOUNCE, "arp_announce"), DEVINET_SYSCTL_RW_ENTRY(ARP_IGNORE, "arp_ignore"), DEVINET_SYSCTL_RW_ENTRY(ARP_ACCEPT, "arp_accept"), |
eefef1cf7 net: add ARP noti... |
2040 |
DEVINET_SYSCTL_RW_ENTRY(ARP_NOTIFY, "arp_notify"), |
65324144b net: RFC3069, pri... |
2041 |
DEVINET_SYSCTL_RW_ENTRY(PROXY_ARP_PVLAN, "proxy_arp_pvlan"), |
5c6fe01c1 net: igmp: Don't ... |
2042 2043 |
DEVINET_SYSCTL_RW_ENTRY(FORCE_IGMP_VERSION, "force_igmp_version"), |
2690048c0 net: igmp: Allow ... |
2044 2045 2046 2047 |
DEVINET_SYSCTL_RW_ENTRY(IGMPV2_UNSOLICITED_REPORT_INTERVAL, "igmpv2_unsolicited_report_interval"), DEVINET_SYSCTL_RW_ENTRY(IGMPV3_UNSOLICITED_REPORT_INTERVAL, "igmpv3_unsolicited_report_interval"), |
42f811b8b [IPV4]: Convert I... |
2048 2049 2050 |
DEVINET_SYSCTL_FLUSHING_ENTRY(NOXFRM, "disable_xfrm"), DEVINET_SYSCTL_FLUSHING_ENTRY(NOPOLICY, "disable_policy"), |
42f811b8b [IPV4]: Convert I... |
2051 2052 |
DEVINET_SYSCTL_FLUSHING_ENTRY(PROMOTE_SECONDARIES, "promote_secondaries"), |
d0daebc3d ipv4: Add interfa... |
2053 2054 |
DEVINET_SYSCTL_FLUSHING_ENTRY(ROUTE_LOCALNET, "route_localnet"), |
1da177e4c Linux-2.6.12-rc2 |
2055 |
}, |
1da177e4c Linux-2.6.12-rc2 |
2056 |
}; |
ea40b324d [IPV4]: Make __de... |
2057 |
static int __devinet_sysctl_register(struct net *net, char *dev_name, |
f8572d8f2 sysctl net: Remov... |
2058 |
struct ipv4_devconf *p) |
1da177e4c Linux-2.6.12-rc2 |
2059 2060 |
{ int i; |
9fa896429 [IPV4]: Cleanup t... |
2061 |
struct devinet_sysctl_table *t; |
8607ddb86 net ipv4: Convert... |
2062 |
char path[sizeof("net/ipv4/conf/") + IFNAMSIZ]; |
bfada697b [IPV4]: Use ctl p... |
2063 |
|
9fa896429 [IPV4]: Cleanup t... |
2064 |
t = kmemdup(&devinet_sysctl, sizeof(*t), GFP_KERNEL); |
1da177e4c Linux-2.6.12-rc2 |
2065 |
if (!t) |
9fa896429 [IPV4]: Cleanup t... |
2066 |
goto out; |
1da177e4c Linux-2.6.12-rc2 |
2067 2068 |
for (i = 0; i < ARRAY_SIZE(t->devinet_vars) - 1; i++) { t->devinet_vars[i].data += (char *)p - (char *)&ipv4_devconf; |
31be30854 [IPV4]: Add defau... |
2069 |
t->devinet_vars[i].extra1 = p; |
c0ce9fb30 [IPV4]: Store the... |
2070 |
t->devinet_vars[i].extra2 = net; |
1da177e4c Linux-2.6.12-rc2 |
2071 |
} |
8607ddb86 net ipv4: Convert... |
2072 |
snprintf(path, sizeof(path), "net/ipv4/conf/%s", dev_name); |
1da177e4c Linux-2.6.12-rc2 |
2073 |
|
8607ddb86 net ipv4: Convert... |
2074 |
t->sysctl_header = register_net_sysctl(net, path, t->devinet_vars); |
1da177e4c Linux-2.6.12-rc2 |
2075 |
if (!t->sysctl_header) |
8607ddb86 net ipv4: Convert... |
2076 |
goto free; |
1da177e4c Linux-2.6.12-rc2 |
2077 2078 |
p->sysctl = t; |
ea40b324d [IPV4]: Make __de... |
2079 |
return 0; |
1da177e4c Linux-2.6.12-rc2 |
2080 |
|
9fa896429 [IPV4]: Cleanup t... |
2081 |
free: |
1da177e4c Linux-2.6.12-rc2 |
2082 |
kfree(t); |
9fa896429 [IPV4]: Cleanup t... |
2083 |
out: |
ea40b324d [IPV4]: Make __de... |
2084 |
return -ENOBUFS; |
1da177e4c Linux-2.6.12-rc2 |
2085 |
} |
51602b2a5 [IPV4]: Cleanup s... |
2086 2087 2088 2089 2090 2091 2092 2093 |
static void __devinet_sysctl_unregister(struct ipv4_devconf *cnf) { struct devinet_sysctl_table *t = cnf->sysctl; if (t == NULL) return; cnf->sysctl = NULL; |
ff538818f sysctl: net: call... |
2094 |
unregister_net_sysctl_table(t->sysctl_header); |
51602b2a5 [IPV4]: Cleanup s... |
2095 2096 |
kfree(t); } |
66f27a520 [IPV4]: Unify and... |
2097 2098 |
static void devinet_sysctl_register(struct in_device *idev) { |
73af614ae neigh: use tbl->f... |
2099 |
neigh_sysctl_register(idev->dev, idev->arp_parms, NULL); |
c346dca10 [NET] NETNS: Omit... |
2100 |
__devinet_sysctl_register(dev_net(idev->dev), idev->dev->name, |
f8572d8f2 sysctl net: Remov... |
2101 |
&idev->cnf); |
66f27a520 [IPV4]: Unify and... |
2102 |
} |
51602b2a5 [IPV4]: Cleanup s... |
2103 |
static void devinet_sysctl_unregister(struct in_device *idev) |
1da177e4c Linux-2.6.12-rc2 |
2104 |
{ |
51602b2a5 [IPV4]: Cleanup s... |
2105 2106 |
__devinet_sysctl_unregister(&idev->cnf); neigh_sysctl_unregister(idev->arp_parms); |
1da177e4c Linux-2.6.12-rc2 |
2107 |
} |
1da177e4c Linux-2.6.12-rc2 |
2108 |
|
68dd299bc [INET]: Merge sys... |
2109 2110 |
static struct ctl_table ctl_forward_entry[] = { { |
68dd299bc [INET]: Merge sys... |
2111 2112 |
.procname = "ip_forward", .data = &ipv4_devconf.data[ |
02291680f net ipv4: Decoupl... |
2113 |
IPV4_DEVCONF_FORWARDING - 1], |
68dd299bc [INET]: Merge sys... |
2114 2115 2116 |
.maxlen = sizeof(int), .mode = 0644, .proc_handler = devinet_sysctl_forward, |
68dd299bc [INET]: Merge sys... |
2117 |
.extra1 = &ipv4_devconf, |
c0ce9fb30 [IPV4]: Store the... |
2118 |
.extra2 = &init_net, |
68dd299bc [INET]: Merge sys... |
2119 2120 2121 |
}, { }, }; |
2a75de0c1 [NETNS]: Should b... |
2122 |
#endif |
68dd299bc [INET]: Merge sys... |
2123 |
|
752d14dc6 [IPV4]: Move the ... |
2124 2125 2126 |
static __net_init int devinet_init_net(struct net *net) { int err; |
752d14dc6 [IPV4]: Move the ... |
2127 |
struct ipv4_devconf *all, *dflt; |
2a75de0c1 [NETNS]: Should b... |
2128 2129 |
#ifdef CONFIG_SYSCTL struct ctl_table *tbl = ctl_forward_entry; |
752d14dc6 [IPV4]: Move the ... |
2130 |
struct ctl_table_header *forw_hdr; |
2a75de0c1 [NETNS]: Should b... |
2131 |
#endif |
752d14dc6 [IPV4]: Move the ... |
2132 2133 2134 2135 |
err = -ENOMEM; all = &ipv4_devconf; dflt = &ipv4_devconf_dflt; |
752d14dc6 [IPV4]: Move the ... |
2136 |
|
09ad9bc75 net: use net_eq t... |
2137 |
if (!net_eq(net, &init_net)) { |
752d14dc6 [IPV4]: Move the ... |
2138 2139 2140 2141 2142 2143 2144 |
all = kmemdup(all, sizeof(ipv4_devconf), GFP_KERNEL); if (all == NULL) goto err_alloc_all; dflt = kmemdup(dflt, sizeof(ipv4_devconf_dflt), GFP_KERNEL); if (dflt == NULL) goto err_alloc_dflt; |
2a75de0c1 [NETNS]: Should b... |
2145 |
#ifdef CONFIG_SYSCTL |
752d14dc6 [IPV4]: Move the ... |
2146 2147 2148 |
tbl = kmemdup(tbl, sizeof(ctl_forward_entry), GFP_KERNEL); if (tbl == NULL) goto err_alloc_ctl; |
02291680f net ipv4: Decoupl... |
2149 |
tbl[0].data = &all->data[IPV4_DEVCONF_FORWARDING - 1]; |
752d14dc6 [IPV4]: Move the ... |
2150 2151 |
tbl[0].extra1 = all; tbl[0].extra2 = net; |
2a75de0c1 [NETNS]: Should b... |
2152 |
#endif |
752d14dc6 [IPV4]: Move the ... |
2153 2154 2155 |
} #ifdef CONFIG_SYSCTL |
f8572d8f2 sysctl net: Remov... |
2156 |
err = __devinet_sysctl_register(net, "all", all); |
752d14dc6 [IPV4]: Move the ... |
2157 2158 |
if (err < 0) goto err_reg_all; |
f8572d8f2 sysctl net: Remov... |
2159 |
err = __devinet_sysctl_register(net, "default", dflt); |
752d14dc6 [IPV4]: Move the ... |
2160 2161 2162 2163 |
if (err < 0) goto err_reg_dflt; err = -ENOMEM; |
8607ddb86 net ipv4: Convert... |
2164 |
forw_hdr = register_net_sysctl(net, "net/ipv4", tbl); |
752d14dc6 [IPV4]: Move the ... |
2165 2166 |
if (forw_hdr == NULL) goto err_reg_ctl; |
2a75de0c1 [NETNS]: Should b... |
2167 |
net->ipv4.forw_hdr = forw_hdr; |
752d14dc6 [IPV4]: Move the ... |
2168 |
#endif |
752d14dc6 [IPV4]: Move the ... |
2169 2170 2171 2172 2173 2174 2175 2176 2177 2178 2179 2180 |
net->ipv4.devconf_all = all; net->ipv4.devconf_dflt = dflt; return 0; #ifdef CONFIG_SYSCTL err_reg_ctl: __devinet_sysctl_unregister(dflt); err_reg_dflt: __devinet_sysctl_unregister(all); err_reg_all: if (tbl != ctl_forward_entry) kfree(tbl); |
752d14dc6 [IPV4]: Move the ... |
2181 |
err_alloc_ctl: |
2a75de0c1 [NETNS]: Should b... |
2182 |
#endif |
752d14dc6 [IPV4]: Move the ... |
2183 2184 2185 2186 2187 2188 2189 2190 2191 2192 2193 |
if (dflt != &ipv4_devconf_dflt) kfree(dflt); err_alloc_dflt: if (all != &ipv4_devconf) kfree(all); err_alloc_all: return err; } static __net_exit void devinet_exit_net(struct net *net) { |
2a75de0c1 [NETNS]: Should b... |
2194 |
#ifdef CONFIG_SYSCTL |
752d14dc6 [IPV4]: Move the ... |
2195 2196 2197 |
struct ctl_table *tbl; tbl = net->ipv4.forw_hdr->ctl_table_arg; |
752d14dc6 [IPV4]: Move the ... |
2198 2199 2200 |
unregister_net_sysctl_table(net->ipv4.forw_hdr); __devinet_sysctl_unregister(net->ipv4.devconf_dflt); __devinet_sysctl_unregister(net->ipv4.devconf_all); |
752d14dc6 [IPV4]: Move the ... |
2201 |
kfree(tbl); |
2a75de0c1 [NETNS]: Should b... |
2202 |
#endif |
752d14dc6 [IPV4]: Move the ... |
2203 2204 2205 2206 2207 2208 2209 2210 |
kfree(net->ipv4.devconf_dflt); kfree(net->ipv4.devconf_all); } static __net_initdata struct pernet_operations devinet_ops = { .init = devinet_init_net, .exit = devinet_exit_net, }; |
9f0f7272a ipv4: AF_INET lin... |
2211 2212 2213 2214 |
static struct rtnl_af_ops inet_af_ops = { .family = AF_INET, .fill_link_af = inet_fill_link_af, .get_link_af_size = inet_get_link_af_size, |
cf7afbfeb rtnl: make link a... |
2215 2216 |
.validate_link_af = inet_validate_link_af, .set_link_af = inet_set_link_af, |
9f0f7272a ipv4: AF_INET lin... |
2217 |
}; |
1da177e4c Linux-2.6.12-rc2 |
2218 2219 |
void __init devinet_init(void) { |
fd23c3b31 ipv4: Add hash ta... |
2220 2221 2222 2223 |
int i; for (i = 0; i < IN4_ADDR_HSIZE; i++) INIT_HLIST_HEAD(&inet_addr_lst[i]); |
752d14dc6 [IPV4]: Move the ... |
2224 |
register_pernet_subsys(&devinet_ops); |
1da177e4c Linux-2.6.12-rc2 |
2225 2226 |
register_gifconf(PF_INET, inet_gifconf); register_netdevice_notifier(&ip_netdev_notifier); |
63f3444fb [IPv4]: Use rtnl ... |
2227 |
|
906e073f3 net/ipv4: queue w... |
2228 |
queue_delayed_work(system_power_efficient_wq, &check_lifetime_work, 0); |
5c766d642 ipv4: introduce a... |
2229 |
|
9f0f7272a ipv4: AF_INET lin... |
2230 |
rtnl_af_register(&inet_af_ops); |
c7ac8679b rtnetlink: Comput... |
2231 2232 2233 |
rtnl_register(PF_INET, RTM_NEWADDR, inet_rtm_newaddr, NULL, NULL); rtnl_register(PF_INET, RTM_DELADDR, inet_rtm_deladdr, NULL, NULL); rtnl_register(PF_INET, RTM_GETADDR, NULL, inet_dump_ifaddr, NULL); |
9e5511106 rtnl/ipv4: add su... |
2234 |
rtnl_register(PF_INET, RTM_GETNETCONF, inet_netconf_get_devconf, |
7a6742003 netconf: add the ... |
2235 |
inet_netconf_dump_devconf, NULL); |
1da177e4c Linux-2.6.12-rc2 |
2236 |
} |