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 12 struct tcf_vlan_params { 13 int tcfv_action; 14 u16 tcfv_push_vid; 15 __be16 tcfv_push_proto; 16 u8 tcfv_push_prio; 17 bool tcfv_push_prio_exists; 18 struct rcu_head rcu; 19 }; 20 21 struct tcf_vlan { 22 struct tc_action common; 23 struct tcf_vlan_params __rcu *vlan_p; 24 }; 25 #define to_vlan(a) ((struct tcf_vlan *)a) 26 is_tcf_vlan(const struct tc_action * a)27static inline bool is_tcf_vlan(const struct tc_action *a) 28 { 29 #ifdef CONFIG_NET_CLS_ACT 30 if (a->ops && a->ops->id == TCA_ID_VLAN) 31 return true; 32 #endif 33 return false; 34 } 35 tcf_vlan_action(const struct tc_action * a)36static inline u32 tcf_vlan_action(const struct tc_action *a) 37 { 38 u32 tcfv_action; 39 40 rcu_read_lock(); 41 tcfv_action = rcu_dereference(to_vlan(a)->vlan_p)->tcfv_action; 42 rcu_read_unlock(); 43 44 return tcfv_action; 45 } 46 tcf_vlan_push_vid(const struct tc_action * a)47static inline u16 tcf_vlan_push_vid(const struct tc_action *a) 48 { 49 u16 tcfv_push_vid; 50 51 rcu_read_lock(); 52 tcfv_push_vid = rcu_dereference(to_vlan(a)->vlan_p)->tcfv_push_vid; 53 rcu_read_unlock(); 54 55 return tcfv_push_vid; 56 } 57 tcf_vlan_push_proto(const struct tc_action * a)58static inline __be16 tcf_vlan_push_proto(const struct tc_action *a) 59 { 60 __be16 tcfv_push_proto; 61 62 rcu_read_lock(); 63 tcfv_push_proto = rcu_dereference(to_vlan(a)->vlan_p)->tcfv_push_proto; 64 rcu_read_unlock(); 65 66 return tcfv_push_proto; 67 } 68 tcf_vlan_push_prio(const struct tc_action * a)69static inline u8 tcf_vlan_push_prio(const struct tc_action *a) 70 { 71 u8 tcfv_push_prio; 72 73 rcu_read_lock(); 74 tcfv_push_prio = rcu_dereference(to_vlan(a)->vlan_p)->tcfv_push_prio; 75 rcu_read_unlock(); 76 77 return tcfv_push_prio; 78 } 79 #endif /* __NET_TC_VLAN_H */ 80