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TOMOYO Linux Cross Reference
Linux/include/net/tc_act/tc_vlan.h

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  1 /*
  2  * Copyright (c) 2014 Jiri Pirko <jiri@resnulli.us>
  3  *
  4  * This program is free software; you can redistribute it and/or modify
  5  * it under the terms of the GNU General Public License as published by
  6  * the Free Software Foundation; either version 2 of the License, or
  7  * (at your option) any later version.
  8  */
  9 
 10 #ifndef __NET_TC_VLAN_H
 11 #define __NET_TC_VLAN_H
 12 
 13 #include <net/act_api.h>
 14 #include <linux/tc_act/tc_vlan.h>
 15 
 16 struct tcf_vlan_params {
 17         int               tcfv_action;
 18         u16               tcfv_push_vid;
 19         __be16            tcfv_push_proto;
 20         u8                tcfv_push_prio;
 21         struct rcu_head   rcu;
 22 };
 23 
 24 struct tcf_vlan {
 25         struct tc_action        common;
 26         struct tcf_vlan_params __rcu *vlan_p;
 27 };
 28 #define to_vlan(a) ((struct tcf_vlan *)a)
 29 
 30 static inline bool is_tcf_vlan(const struct tc_action *a)
 31 {
 32 #ifdef CONFIG_NET_CLS_ACT
 33         if (a->ops && a->ops->id == TCA_ID_VLAN)
 34                 return true;
 35 #endif
 36         return false;
 37 }
 38 
 39 static inline u32 tcf_vlan_action(const struct tc_action *a)
 40 {
 41         u32 tcfv_action;
 42 
 43         rcu_read_lock();
 44         tcfv_action = rcu_dereference(to_vlan(a)->vlan_p)->tcfv_action;
 45         rcu_read_unlock();
 46 
 47         return tcfv_action;
 48 }
 49 
 50 static inline u16 tcf_vlan_push_vid(const struct tc_action *a)
 51 {
 52         u16 tcfv_push_vid;
 53 
 54         rcu_read_lock();
 55         tcfv_push_vid = rcu_dereference(to_vlan(a)->vlan_p)->tcfv_push_vid;
 56         rcu_read_unlock();
 57 
 58         return tcfv_push_vid;
 59 }
 60 
 61 static inline __be16 tcf_vlan_push_proto(const struct tc_action *a)
 62 {
 63         __be16 tcfv_push_proto;
 64 
 65         rcu_read_lock();
 66         tcfv_push_proto = rcu_dereference(to_vlan(a)->vlan_p)->tcfv_push_proto;
 67         rcu_read_unlock();
 68 
 69         return tcfv_push_proto;
 70 }
 71 
 72 static inline u8 tcf_vlan_push_prio(const struct tc_action *a)
 73 {
 74         u8 tcfv_push_prio;
 75 
 76         rcu_read_lock();
 77         tcfv_push_prio = rcu_dereference(to_vlan(a)->vlan_p)->tcfv_push_prio;
 78         rcu_read_unlock();
 79 
 80         return tcfv_push_prio;
 81 }
 82 #endif /* __NET_TC_VLAN_H */
 83 

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