LXR linux/include/net/tc_act/tc

   1/* SPDX-License-Identifier: GPL-2.0-or-later */
   2/*
   3 * Copyright (c) 2014 Jiri Pirko <jiri@resnulli.us>
   4 */
   5
   6#ifndef __NET_TC_VLAN_H
   7#define __NET_TC_VLAN_H
   8
   9#include <net/act_api.h>
  10#include <linux/tc_act/tc_vlan.h>
  11
  12struct tcf_vlan_params {
  13        int               tcfv_action;
  14        unsigned char     tcfv_push_dst[ETH_ALEN];
  15        unsigned char     tcfv_push_src[ETH_ALEN];
  16        u16               tcfv_push_vid;
  17        __be16            tcfv_push_proto;
  18        u8                tcfv_push_prio;
  19        bool              tcfv_push_prio_exists;
  20        struct rcu_head   rcu;
  21};
  22
  23struct tcf_vlan {
  24        struct tc_action        common;
  25        struct tcf_vlan_params __rcu *vlan_p;
  26};
  27#define to_vlan(a) ((struct tcf_vlan *)a)
  28
  29static inline bool is_tcf_vlan(const struct tc_action *a)
  30{
  31#ifdef CONFIG_NET_CLS_ACT
  32        if (a->ops && a->ops->id == TCA_ID_VLAN)
  33                return true;
  34#endif
  35        return false;
  36}
  37
  38static inline u32 tcf_vlan_action(const struct tc_action *a)
  39{
  40        u32 tcfv_action;
  41
  42        rcu_read_lock();
  43        tcfv_action = rcu_dereference(to_vlan(a)->vlan_p)->tcfv_action;
  44        rcu_read_unlock();
  45
  46        return tcfv_action;
  47}
  48
  49static inline u16 tcf_vlan_push_vid(const struct tc_action *a)
  50{
  51        u16 tcfv_push_vid;
  52
  53        rcu_read_lock();
  54        tcfv_push_vid = rcu_dereference(to_vlan(a)->vlan_p)->tcfv_push_vid;
  55        rcu_read_unlock();
  56
  57        return tcfv_push_vid;
  58}
  59
  60static inline __be16 tcf_vlan_push_proto(const struct tc_action *a)
  61{
  62        __be16 tcfv_push_proto;
  63
  64        rcu_read_lock();
  65        tcfv_push_proto = rcu_dereference(to_vlan(a)->vlan_p)->tcfv_push_proto;
  66        rcu_read_unlock();
  67
  68        return tcfv_push_proto;
  69}
  70
  71static inline u8 tcf_vlan_push_prio(const struct tc_action *a)
  72{
  73        u8 tcfv_push_prio;
  74
  75        rcu_read_lock();
  76        tcfv_push_prio = rcu_dereference(to_vlan(a)->vlan_p)->tcfv_push_prio;
  77        rcu_read_unlock();
  78
  79        return tcfv_push_prio;
  80}
  81#endif /* __NET_TC_VLAN_H */
  82