1 /* SPDX-License-Identifier: GPL-2.0-or-later */ 2 /* 3 * Copyright (c) 2016, Amir Vadai <amir@vadai.me> 4 * Copyright (c) 2016, Mellanox Technologies. All rights reserved. 5 */ 6 7 #ifndef __NET_TC_TUNNEL_KEY_H 8 #define __NET_TC_TUNNEL_KEY_H 9 10 #include <net/act_api.h> 11 #include <linux/tc_act/tc_tunnel_key.h> 12 #include <net/dst_metadata.h> 13 14 struct tcf_tunnel_key_params { 15 struct rcu_head rcu; 16 int tcft_action; 17 struct metadata_dst *tcft_enc_metadata; 18 }; 19 20 struct tcf_tunnel_key { 21 struct tc_action common; 22 struct tcf_tunnel_key_params __rcu *params; 23 }; 24 25 #define to_tunnel_key(a) ((struct tcf_tunnel_key *)a) 26 27 static inline bool is_tcf_tunnel_set(const struct tc_action *a) 28 { 29 #ifdef CONFIG_NET_CLS_ACT 30 struct tcf_tunnel_key *t = to_tunnel_key(a); 31 struct tcf_tunnel_key_params *params = rtnl_dereference(t->params); 32 33 if (a->ops && a->ops->id == TCA_ID_TUNNEL_KEY) 34 return params->tcft_action == TCA_TUNNEL_KEY_ACT_SET; 35 #endif 36 return false; 37 } 38 39 static inline bool is_tcf_tunnel_release(const struct tc_action *a) 40 { 41 #ifdef CONFIG_NET_CLS_ACT 42 struct tcf_tunnel_key *t = to_tunnel_key(a); 43 struct tcf_tunnel_key_params *params = rtnl_dereference(t->params); 44 45 if (a->ops && a->ops->id == TCA_ID_TUNNEL_KEY) 46 return params->tcft_action == TCA_TUNNEL_KEY_ACT_RELEASE; 47 #endif 48 return false; 49 } 50 51 static inline struct ip_tunnel_info *tcf_tunnel_info(const struct tc_action *a) 52 { 53 #ifdef CONFIG_NET_CLS_ACT 54 struct tcf_tunnel_key *t = to_tunnel_key(a); 55 struct tcf_tunnel_key_params *params = rtnl_dereference(t->params); 56 57 return ¶ms->tcft_enc_metadata->u.tun_info; 58 #else 59 return NULL; 60 #endif 61 } 62 #endif /* __NET_TC_TUNNEL_KEY_H */ 63