include/net/tc_act/tc_vlan.h

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2 /*
   3  * Copyright (c) 2014 Jiri Pirko <[email protected]>
   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
  12 struct 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
  22 struct 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
  28 static 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
  37 static 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
  48 static 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
  59 static 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
  70 static 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 */