tsn.h
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/* SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) */
/* Copyright 2017-2019 NXP */
#ifndef __TSN_H__
#define __TSN_H__
#include <linux/notifier.h>
#include <uapi/linux/tsn.h>
enum tsn_notifier_type {
TSN_QBV_CONFIGCHANGETIME_ARRIVE = 1,
};
struct tsn_notifier_info {
struct net_device *dev;
union {
struct tsn_qbv_conf qbv_notify;
struct tsn_qci_psfp_sgi_conf qci_notify;
} ntdata;
};
static inline struct net_device *
tsn_notifier_info_to_dev(const struct tsn_notifier_info *info)
{
return info->dev;
}
struct tsn_ops {
void (*device_init)(struct net_device *ndev);
void (*device_deinit)(struct net_device *ndev);
u32 (*get_capability)(struct net_device *ndev);
/* Qbv standard */
int (*qbv_set)(struct net_device *ndev, struct tsn_qbv_conf *qbvconf);
int (*qbv_get)(struct net_device *ndev, struct tsn_qbv_conf *qbvconf);
int (*qbv_get_status)(struct net_device *ndev,
struct tsn_qbv_status *qbvstat);
int (*cb_streamid_set)(struct net_device *ndev, u32 index,
bool enable, struct tsn_cb_streamid *sid);
int (*cb_streamid_get)(struct net_device *ndev, u32 index,
struct tsn_cb_streamid *sid);
int (*cb_streamid_counters_get)(struct net_device *ndev, u32 index,
struct tsn_cb_streamid_counters *sidcounter);
int (*qci_get_maxcap)(struct net_device *ndev,
struct tsn_qci_psfp_stream_param *qcicapa);
int (*qci_sfi_set)(struct net_device *ndev, u32 index, bool enable,
struct tsn_qci_psfp_sfi_conf *sficonf);
/* return: 0 stream filter instance not valid
* 1 stream filter instance valid
* -1 error happened
*/
int (*qci_sfi_get)(struct net_device *ndev, u32 index,
struct tsn_qci_psfp_sfi_conf *sficonf);
int (*qci_sfi_counters_get)(struct net_device *ndev, u32 index,
struct tsn_qci_psfp_sfi_counters *sficounter);
int (*qci_sgi_set)(struct net_device *ndev, u32 index,
struct tsn_qci_psfp_sgi_conf *sgiconf);
int (*qci_sgi_get)(struct net_device *ndev, u32 index,
struct tsn_qci_psfp_sgi_conf *sgiconf);
int (*qci_sgi_status_get)(struct net_device *ndev, u16 index,
struct tsn_psfp_sgi_status *sgistat);
int (*qci_fmi_set)(struct net_device *ndev, u32 index, bool enable,
struct tsn_qci_psfp_fmi *fmi);
int (*qci_fmi_get)(struct net_device *ndev, u32 index,
struct tsn_qci_psfp_fmi *fmi,
struct tsn_qci_psfp_fmi_counters *counters);
int (*cbs_set)(struct net_device *ndev, u8 tc, u8 bw);
int (*cbs_get)(struct net_device *ndev, u8 tc);
/* To set a 8 bits vector shows 8 traffic classes
* preemtable(1) or express(0)
*/
int (*qbu_set)(struct net_device *ndev, u8 ptvector);
/* To get port preemtion status */
int (*qbu_get)(struct net_device *ndev,
struct tsn_preempt_status *preemptstat);
int (*tsd_set)(struct net_device *ndev, struct tsn_tsd *tsd);
int (*tsd_get)(struct net_device *ndev, struct tsn_tsd_status *stats);
int (*ct_set)(struct net_device *ndev, u8 cut_thru);
int (*cbgen_set)(struct net_device *ndev, u32 index,
struct tsn_seq_gen_conf *seqgen);
int (*cbrec_set)(struct net_device *ndev, u32 index,
struct tsn_seq_rec_conf *seqrec);
int (*cb_get)(struct net_device *ndev, u32 index,
struct tsn_cb_status *c);
int (*dscp_set)(struct net_device *ndev, bool enable,
const u8 dscp_ix,
struct tsn_qos_switch_dscp_conf *c);
};
enum ethdev_type {
TSN_SWITCH,
TSN_ENDPOINT,
};
#define GROUP_OFFSET_SWITCH 256
struct tsn_port {
u16 groupid;
struct tsn_ops *tsnops;
struct net_device *netdev;
struct list_head list;
enum ethdev_type type;
u8 tc_nums;
struct tsn_notifier_info nd;
};
struct tsn_port *tsn_get_port(struct net_device *ndev);
int register_tsn_notifier(struct notifier_block *nb);
int unregister_tsn_notifier(struct notifier_block *nb);
int call_tsn_notifiers(unsigned long val, struct net_device *dev,
struct tsn_notifier_info *info);
int tsn_port_register(struct net_device *netdev,
struct tsn_ops *tsnops, u16 groupid);
void tsn_port_unregister(struct net_device *netdev);
#endif