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        struct rcu_head   rcu;
  20};
  21
  22struct tcf_vlan {
  23        struct tc_action        common;
  24        struct tcf_vlan_params __rcu *vlan_p;
  25};
  26#define to_vlan(a) ((struct tcf_vlan *)a)
  27
  28static inline bool is_tcf_vlan(const struct tc_action *a)
  29{
  30#ifdef CONFIG_NET_CLS_ACT
  31        if (a->ops && a->ops->id == TCA_ID_VLAN)
  32                return true;
  33#endif
  34        return false;
  35}
  36
  37static inline u32 tcf_vlan_action(const struct tc_action *a)
  38{
  39        u32 tcfv_action;
  40
  41        rcu_read_lock();
  42        tcfv_action = rcu_dereference(to_vlan(a)->vlan_p)->tcfv_action;
  43        rcu_read_unlock();
  44
  45        return tcfv_action;
  46}
  47
  48static inline u16 tcf_vlan_push_vid(const struct tc_action *a)
  49{
  50        u16 tcfv_push_vid;
  51
  52        rcu_read_lock();
  53        tcfv_push_vid = rcu_dereference(to_vlan(a)->vlan_p)->tcfv_push_vid;
  54        rcu_read_unlock();
  55
  56        return tcfv_push_vid;
  57}
  58
  59static inline __be16 tcf_vlan_push_proto(const struct tc_action *a)
  60{
  61        __be16 tcfv_push_proto;
  62
  63        rcu_read_lock();
  64        tcfv_push_proto = rcu_dereference(to_vlan(a)->vlan_p)->tcfv_push_proto;
  65        rcu_read_unlock();
  66
  67        return tcfv_push_proto;
  68}
  69
  70static inline u8 tcf_vlan_push_prio(const struct tc_action *a)
  71{
  72        u8 tcfv_push_prio;
  73
  74        rcu_read_lock();
  75        tcfv_push_prio = rcu_dereference(to_vlan(a)->vlan_p)->tcfv_push_prio;
  76        rcu_read_unlock();
  77
  78        return tcfv_push_prio;
  79}
  80#endif /* __NET_TC_VLAN_H */
  81