/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NET_TC_CT_H #define __NET_TC_CT_H #include <net/act_api.h> #include <uapi/linux/tc_act/tc_ct.h> #if IS_ENABLED(CONFIG_NF_CONNTRACK) #include <net/netfilter/nf_nat.h> #include <net/netfilter/nf_conntrack_labels.h> struct tcf_ct_params { struct nf_conn *tmpl; u16 zone; u32 mark; u32 mark_mask; u32 labels[NF_CT_LABELS_MAX_SIZE / sizeof(u32)]; u32 labels_mask[NF_CT_LABELS_MAX_SIZE / sizeof(u32)]; struct nf_nat_range2 range; bool ipv4_range; u16 ct_action; struct rcu_head rcu; struct tcf_ct_flow_table *ct_ft; struct nf_flowtable *nf_ft; }; struct tcf_ct { struct tc_action common; struct tcf_ct_params __rcu *params; }; #define to_ct(a) ((struct tcf_ct *)a) #define to_ct_params(a) \ ((struct tcf_ct_params *) \ rcu_dereference_protected(to_ct(a)->params, \ lockdep_is_held(&a->tcfa_lock))) static inline uint16_t tcf_ct_zone(const struct tc_action *a) { return to_ct_params(a)->zone; } static inline int tcf_ct_action(const struct tc_action *a) { return to_ct_params(a)->ct_action; } static inline struct nf_flowtable *tcf_ct_ft(const struct tc_action *a) { return to_ct_params(a)->nf_ft; } #else static inline uint16_t tcf_ct_zone(const struct tc_action *a) { return 0; } static inline int tcf_ct_action(const struct tc_action *a) { return 0; } static inline struct nf_flowtable *tcf_ct_ft(const struct tc_action *a) { return NULL; } #endif /* CONFIG_NF_CONNTRACK */ #if IS_ENABLED(CONFIG_NET_ACT_CT) static inline void tcf_ct_flow_table_restore_skb(struct sk_buff *skb, unsigned long cookie) { enum ip_conntrack_info ctinfo = cookie & NFCT_INFOMASK; struct nf_conn *ct; ct = (struct nf_conn *)(cookie & NFCT_PTRMASK); nf_conntrack_get(&ct->ct_general); nf_ct_set(skb, ct, ctinfo); } #else static inline void tcf_ct_flow_table_restore_skb(struct sk_buff *skb, unsigned long cookie) { } #endif static inline bool is_tcf_ct(const struct tc_action *a) { #if defined(CONFIG_NET_CLS_ACT) && IS_ENABLED(CONFIG_NF_CONNTRACK) if (a->ops && a->ops->id == TCA_ID_CT) return true; #endif return false; } #endif /* __NET_TC_CT_H */