1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef __NET_TC_CT_H 3 #define __NET_TC_CT_H 4 5 #include <net/act_api.h> 6 #include <uapi/linux/tc_act/tc_ct.h> 7 8 #if IS_ENABLED(CONFIG_NF_CONNTRACK) 9 #include <net/netfilter/nf_nat.h> 10 #include <net/netfilter/nf_conntrack_labels.h> 11 12 struct tcf_ct_params { 13 struct nf_conn *tmpl; 14 u16 zone; 15 16 u32 mark; 17 u32 mark_mask; 18 19 u32 labels[NF_CT_LABELS_MAX_SIZE / sizeof(u32)]; 20 u32 labels_mask[NF_CT_LABELS_MAX_SIZE / sizeof(u32)]; 21 22 struct nf_nat_range2 range; 23 bool ipv4_range; 24 25 u16 ct_action; 26 27 struct rcu_head rcu; 28 }; 29 30 struct tcf_ct { 31 struct tc_action common; 32 struct tcf_ct_params __rcu *params; 33 }; 34 35 #define to_ct(a) ((struct tcf_ct *)a) 36 #define to_ct_params(a) ((struct tcf_ct_params *) \ 37 rtnl_dereference((to_ct(a)->params))) 38 39 static inline uint16_t tcf_ct_zone(const struct tc_action *a) 40 { 41 return to_ct_params(a)->zone; 42 } 43 44 static inline int tcf_ct_action(const struct tc_action *a) 45 { 46 return to_ct_params(a)->ct_action; 47 } 48 49 #else 50 static inline uint16_t tcf_ct_zone(const struct tc_action *a) { return 0; } 51 static inline int tcf_ct_action(const struct tc_action *a) { return 0; } 52 #endif /* CONFIG_NF_CONNTRACK */ 53 54 static inline bool is_tcf_ct(const struct tc_action *a) 55 { 56 #if defined(CONFIG_NET_CLS_ACT) && IS_ENABLED(CONFIG_NF_CONNTRACK) 57 if (a->ops && a->ops->id == TCA_ID_CT) 58 return true; 59 #endif 60 return false; 61 } 62 63 #endif /* __NET_TC_CT_H */ 64