1 /* SPDX-License-Identifier: GPL-2.0-only */ 1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 2 /* 3 * Copyright (c) 2015 Nicira, Inc. 3 * Copyright (c) 2015 Nicira, Inc. 4 */ 4 */ 5 5 6 #ifndef OVS_CONNTRACK_H 6 #ifndef OVS_CONNTRACK_H 7 #define OVS_CONNTRACK_H 1 7 #define OVS_CONNTRACK_H 1 8 8 9 #include "flow.h" 9 #include "flow.h" 10 10 11 struct ovs_conntrack_info; 11 struct ovs_conntrack_info; 12 struct ovs_ct_limit_info; 12 struct ovs_ct_limit_info; 13 enum ovs_key_attr; 13 enum ovs_key_attr; 14 14 15 #if IS_ENABLED(CONFIG_NF_CONNTRACK) 15 #if IS_ENABLED(CONFIG_NF_CONNTRACK) 16 int ovs_ct_init(struct net *); 16 int ovs_ct_init(struct net *); 17 void ovs_ct_exit(struct net *); 17 void ovs_ct_exit(struct net *); 18 bool ovs_ct_verify(struct net *, enum ovs_key_ 18 bool ovs_ct_verify(struct net *, enum ovs_key_attr attr); 19 int ovs_ct_copy_action(struct net *, const str 19 int ovs_ct_copy_action(struct net *, const struct nlattr *, 20 const struct sw_flow_ke 20 const struct sw_flow_key *, struct sw_flow_actions **, 21 bool log); 21 bool log); 22 int ovs_ct_action_to_attr(const struct ovs_con 22 int ovs_ct_action_to_attr(const struct ovs_conntrack_info *, struct sk_buff *); 23 23 24 int ovs_ct_execute(struct net *, struct sk_buf 24 int ovs_ct_execute(struct net *, struct sk_buff *, struct sw_flow_key *, 25 const struct ovs_conntrack_ 25 const struct ovs_conntrack_info *); 26 int ovs_ct_clear(struct sk_buff *skb, struct s 26 int ovs_ct_clear(struct sk_buff *skb, struct sw_flow_key *key); 27 27 28 void ovs_ct_fill_key(const struct sk_buff *skb !! 28 void ovs_ct_fill_key(const struct sk_buff *skb, struct sw_flow_key *key); 29 bool post_ct); << 30 int ovs_ct_put_key(const struct sw_flow_key *s 29 int ovs_ct_put_key(const struct sw_flow_key *swkey, 31 const struct sw_flow_key *o 30 const struct sw_flow_key *output, struct sk_buff *skb); 32 void ovs_ct_free_action(const struct nlattr *a 31 void ovs_ct_free_action(const struct nlattr *a); 33 32 34 #define CT_SUPPORTED_MASK (OVS_CS_F_NEW | OVS_ 33 #define CT_SUPPORTED_MASK (OVS_CS_F_NEW | OVS_CS_F_ESTABLISHED | \ 35 OVS_CS_F_RELATED | 34 OVS_CS_F_RELATED | OVS_CS_F_REPLY_DIR | \ 36 OVS_CS_F_INVALID | 35 OVS_CS_F_INVALID | OVS_CS_F_TRACKED | \ 37 OVS_CS_F_SRC_NAT | 36 OVS_CS_F_SRC_NAT | OVS_CS_F_DST_NAT) 38 #else 37 #else 39 #include <linux/errno.h> 38 #include <linux/errno.h> 40 39 41 static inline int ovs_ct_init(struct net *net) 40 static inline int ovs_ct_init(struct net *net) { return 0; } 42 41 43 static inline void ovs_ct_exit(struct net *net 42 static inline void ovs_ct_exit(struct net *net) { } 44 43 45 static inline bool ovs_ct_verify(struct net *n 44 static inline bool ovs_ct_verify(struct net *net, int attr) 46 { 45 { 47 return false; 46 return false; 48 } 47 } 49 48 50 static inline int ovs_ct_copy_action(struct ne 49 static inline int ovs_ct_copy_action(struct net *net, const struct nlattr *nla, 51 const str 50 const struct sw_flow_key *key, 52 struct sw 51 struct sw_flow_actions **acts, bool log) 53 { 52 { 54 return -ENOTSUPP; 53 return -ENOTSUPP; 55 } 54 } 56 55 57 static inline int ovs_ct_action_to_attr(const 56 static inline int ovs_ct_action_to_attr(const struct ovs_conntrack_info *info, 58 struct 57 struct sk_buff *skb) 59 { 58 { 60 return -ENOTSUPP; 59 return -ENOTSUPP; 61 } 60 } 62 61 63 static inline int ovs_ct_execute(struct net *n 62 static inline int ovs_ct_execute(struct net *net, struct sk_buff *skb, 64 struct sw_flo 63 struct sw_flow_key *key, 65 const struct 64 const struct ovs_conntrack_info *info) 66 { 65 { 67 kfree_skb(skb); 66 kfree_skb(skb); 68 return -ENOTSUPP; 67 return -ENOTSUPP; 69 } 68 } 70 69 71 static inline int ovs_ct_clear(struct sk_buff 70 static inline int ovs_ct_clear(struct sk_buff *skb, 72 struct sw_flow_ 71 struct sw_flow_key *key) 73 { 72 { 74 return -ENOTSUPP; 73 return -ENOTSUPP; 75 } 74 } 76 75 77 static inline void ovs_ct_fill_key(const struc 76 static inline void ovs_ct_fill_key(const struct sk_buff *skb, 78 struct sw_f !! 77 struct sw_flow_key *key) 79 bool post_c << 80 { 78 { 81 key->ct_state = 0; 79 key->ct_state = 0; 82 key->ct_zone = 0; 80 key->ct_zone = 0; 83 key->ct.mark = 0; 81 key->ct.mark = 0; 84 memset(&key->ct.labels, 0, sizeof(key- 82 memset(&key->ct.labels, 0, sizeof(key->ct.labels)); 85 /* Clear 'ct_orig_proto' to mark the n 83 /* Clear 'ct_orig_proto' to mark the non-existence of original 86 * direction key fields. 84 * direction key fields. 87 */ 85 */ 88 key->ct_orig_proto = 0; 86 key->ct_orig_proto = 0; 89 } 87 } 90 88 91 static inline int ovs_ct_put_key(const struct 89 static inline int ovs_ct_put_key(const struct sw_flow_key *swkey, 92 const struct 90 const struct sw_flow_key *output, 93 struct sk_buf 91 struct sk_buff *skb) 94 { 92 { 95 return 0; 93 return 0; 96 } 94 } 97 95 98 static inline void ovs_ct_free_action(const st 96 static inline void ovs_ct_free_action(const struct nlattr *a) { } 99 97 100 #define CT_SUPPORTED_MASK 0 98 #define CT_SUPPORTED_MASK 0 101 #endif /* CONFIG_NF_CONNTRACK */ 99 #endif /* CONFIG_NF_CONNTRACK */ 102 100 103 #if IS_ENABLED(CONFIG_NETFILTER_CONNCOUNT) 101 #if IS_ENABLED(CONFIG_NETFILTER_CONNCOUNT) 104 extern struct genl_family dp_ct_limit_genl_fam 102 extern struct genl_family dp_ct_limit_genl_family; 105 #endif 103 #endif 106 #endif /* ovs_conntrack.h */ 104 #endif /* ovs_conntrack.h */ 107 105
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.