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); 29 bool post_ct);
30 int ovs_ct_put_key(const struct sw_flow_key *s 30 int ovs_ct_put_key(const struct sw_flow_key *swkey,
31 const struct sw_flow_key *o 31 const struct sw_flow_key *output, struct sk_buff *skb);
32 void ovs_ct_free_action(const struct nlattr *a 32 void ovs_ct_free_action(const struct nlattr *a);
33 33
34 #define CT_SUPPORTED_MASK (OVS_CS_F_NEW | OVS_ 34 #define CT_SUPPORTED_MASK (OVS_CS_F_NEW | OVS_CS_F_ESTABLISHED | \
35 OVS_CS_F_RELATED | 35 OVS_CS_F_RELATED | OVS_CS_F_REPLY_DIR | \
36 OVS_CS_F_INVALID | 36 OVS_CS_F_INVALID | OVS_CS_F_TRACKED | \
37 OVS_CS_F_SRC_NAT | 37 OVS_CS_F_SRC_NAT | OVS_CS_F_DST_NAT)
38 #else 38 #else
39 #include <linux/errno.h> 39 #include <linux/errno.h>
40 40
41 static inline int ovs_ct_init(struct net *net) 41 static inline int ovs_ct_init(struct net *net) { return 0; }
42 42
43 static inline void ovs_ct_exit(struct net *net 43 static inline void ovs_ct_exit(struct net *net) { }
44 44
45 static inline bool ovs_ct_verify(struct net *n 45 static inline bool ovs_ct_verify(struct net *net, int attr)
46 { 46 {
47 return false; 47 return false;
48 } 48 }
49 49
50 static inline int ovs_ct_copy_action(struct ne 50 static inline int ovs_ct_copy_action(struct net *net, const struct nlattr *nla,
51 const str 51 const struct sw_flow_key *key,
52 struct sw 52 struct sw_flow_actions **acts, bool log)
53 { 53 {
54 return -ENOTSUPP; 54 return -ENOTSUPP;
55 } 55 }
56 56
57 static inline int ovs_ct_action_to_attr(const 57 static inline int ovs_ct_action_to_attr(const struct ovs_conntrack_info *info,
58 struct 58 struct sk_buff *skb)
59 { 59 {
60 return -ENOTSUPP; 60 return -ENOTSUPP;
61 } 61 }
62 62
63 static inline int ovs_ct_execute(struct net *n 63 static inline int ovs_ct_execute(struct net *net, struct sk_buff *skb,
64 struct sw_flo 64 struct sw_flow_key *key,
65 const struct 65 const struct ovs_conntrack_info *info)
66 { 66 {
67 kfree_skb(skb); 67 kfree_skb(skb);
68 return -ENOTSUPP; 68 return -ENOTSUPP;
69 } 69 }
70 70
71 static inline int ovs_ct_clear(struct sk_buff 71 static inline int ovs_ct_clear(struct sk_buff *skb,
72 struct sw_flow_ 72 struct sw_flow_key *key)
73 { 73 {
74 return -ENOTSUPP; 74 return -ENOTSUPP;
75 } 75 }
76 76
77 static inline void ovs_ct_fill_key(const struc 77 static inline void ovs_ct_fill_key(const struct sk_buff *skb,
78 struct sw_f 78 struct sw_flow_key *key,
79 bool post_c 79 bool post_ct)
80 { 80 {
81 key->ct_state = 0; 81 key->ct_state = 0;
82 key->ct_zone = 0; 82 key->ct_zone = 0;
83 key->ct.mark = 0; 83 key->ct.mark = 0;
84 memset(&key->ct.labels, 0, sizeof(key- 84 memset(&key->ct.labels, 0, sizeof(key->ct.labels));
85 /* Clear 'ct_orig_proto' to mark the n 85 /* Clear 'ct_orig_proto' to mark the non-existence of original
86 * direction key fields. 86 * direction key fields.
87 */ 87 */
88 key->ct_orig_proto = 0; 88 key->ct_orig_proto = 0;
89 } 89 }
90 90
91 static inline int ovs_ct_put_key(const struct 91 static inline int ovs_ct_put_key(const struct sw_flow_key *swkey,
92 const struct 92 const struct sw_flow_key *output,
93 struct sk_buf 93 struct sk_buff *skb)
94 { 94 {
95 return 0; 95 return 0;
96 } 96 }
97 97
98 static inline void ovs_ct_free_action(const st 98 static inline void ovs_ct_free_action(const struct nlattr *a) { }
99 99
100 #define CT_SUPPORTED_MASK 0 100 #define CT_SUPPORTED_MASK 0
101 #endif /* CONFIG_NF_CONNTRACK */ 101 #endif /* CONFIG_NF_CONNTRACK */
102 102
103 #if IS_ENABLED(CONFIG_NETFILTER_CONNCOUNT) 103 #if IS_ENABLED(CONFIG_NETFILTER_CONNCOUNT)
104 extern struct genl_family dp_ct_limit_genl_fam 104 extern struct genl_family dp_ct_limit_genl_family;
105 #endif 105 #endif
106 #endif /* ovs_conntrack.h */ 106 #endif /* ovs_conntrack.h */
107 107
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