1 /* SPDX-License-Identifier: GPL-2.0-only */ <<
2 /* 1 /*
3 * Copyright (c) 2015 Nicira, Inc. 2 * Copyright (c) 2015 Nicira, Inc.
>> 3 *
>> 4 * This program is free software; you can redistribute it and/or
>> 5 * modify it under the terms of version 2 of the GNU General Public
>> 6 * License as published by the Free Software Foundation.
>> 7 *
>> 8 * This program is distributed in the hope that it will be useful, but
>> 9 * WITHOUT ANY WARRANTY; without even the implied warranty of
>> 10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
>> 11 * General Public License for more details.
4 */ 12 */
5 13
6 #ifndef OVS_CONNTRACK_H 14 #ifndef OVS_CONNTRACK_H
7 #define OVS_CONNTRACK_H 1 15 #define OVS_CONNTRACK_H 1
8 16
9 #include "flow.h" 17 #include "flow.h"
10 18
11 struct ovs_conntrack_info; 19 struct ovs_conntrack_info;
12 struct ovs_ct_limit_info; <<
13 enum ovs_key_attr; 20 enum ovs_key_attr;
14 21
15 #if IS_ENABLED(CONFIG_NF_CONNTRACK) 22 #if IS_ENABLED(CONFIG_NF_CONNTRACK)
16 int ovs_ct_init(struct net *); !! 23 void ovs_ct_init(struct net *);
17 void ovs_ct_exit(struct net *); 24 void ovs_ct_exit(struct net *);
18 bool ovs_ct_verify(struct net *, enum ovs_key_ 25 bool ovs_ct_verify(struct net *, enum ovs_key_attr attr);
19 int ovs_ct_copy_action(struct net *, const str 26 int ovs_ct_copy_action(struct net *, const struct nlattr *,
20 const struct sw_flow_ke 27 const struct sw_flow_key *, struct sw_flow_actions **,
21 bool log); 28 bool log);
22 int ovs_ct_action_to_attr(const struct ovs_con 29 int ovs_ct_action_to_attr(const struct ovs_conntrack_info *, struct sk_buff *);
23 30
24 int ovs_ct_execute(struct net *, struct sk_buf 31 int ovs_ct_execute(struct net *, struct sk_buff *, struct sw_flow_key *,
25 const struct ovs_conntrack_ 32 const struct ovs_conntrack_info *);
26 int ovs_ct_clear(struct sk_buff *skb, struct s <<
27 33
28 void ovs_ct_fill_key(const struct sk_buff *skb !! 34 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 35 int ovs_ct_put_key(const struct sw_flow_key *swkey,
31 const struct sw_flow_key *o 36 const struct sw_flow_key *output, struct sk_buff *skb);
32 void ovs_ct_free_action(const struct nlattr *a 37 void ovs_ct_free_action(const struct nlattr *a);
33 38
34 #define CT_SUPPORTED_MASK (OVS_CS_F_NEW | OVS_ 39 #define CT_SUPPORTED_MASK (OVS_CS_F_NEW | OVS_CS_F_ESTABLISHED | \
35 OVS_CS_F_RELATED | 40 OVS_CS_F_RELATED | OVS_CS_F_REPLY_DIR | \
36 OVS_CS_F_INVALID | 41 OVS_CS_F_INVALID | OVS_CS_F_TRACKED | \
37 OVS_CS_F_SRC_NAT | 42 OVS_CS_F_SRC_NAT | OVS_CS_F_DST_NAT)
38 #else 43 #else
39 #include <linux/errno.h> 44 #include <linux/errno.h>
40 45
41 static inline int ovs_ct_init(struct net *net) !! 46 static inline void ovs_ct_init(struct net *net) { }
42 47
43 static inline void ovs_ct_exit(struct net *net 48 static inline void ovs_ct_exit(struct net *net) { }
44 49
45 static inline bool ovs_ct_verify(struct net *n 50 static inline bool ovs_ct_verify(struct net *net, int attr)
46 { 51 {
47 return false; 52 return false;
48 } 53 }
49 54
50 static inline int ovs_ct_copy_action(struct ne 55 static inline int ovs_ct_copy_action(struct net *net, const struct nlattr *nla,
51 const str 56 const struct sw_flow_key *key,
52 struct sw 57 struct sw_flow_actions **acts, bool log)
53 { 58 {
54 return -ENOTSUPP; 59 return -ENOTSUPP;
55 } 60 }
56 61
57 static inline int ovs_ct_action_to_attr(const 62 static inline int ovs_ct_action_to_attr(const struct ovs_conntrack_info *info,
58 struct 63 struct sk_buff *skb)
59 { 64 {
60 return -ENOTSUPP; 65 return -ENOTSUPP;
61 } 66 }
62 67
63 static inline int ovs_ct_execute(struct net *n 68 static inline int ovs_ct_execute(struct net *net, struct sk_buff *skb,
64 struct sw_flo 69 struct sw_flow_key *key,
65 const struct 70 const struct ovs_conntrack_info *info)
66 { 71 {
67 kfree_skb(skb); 72 kfree_skb(skb);
68 return -ENOTSUPP; 73 return -ENOTSUPP;
69 } 74 }
70 75
71 static inline int ovs_ct_clear(struct sk_buff <<
72 struct sw_flow_ <<
73 { <<
74 return -ENOTSUPP; <<
75 } <<
76 <<
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 <<
103 #if IS_ENABLED(CONFIG_NETFILTER_CONNCOUNT) <<
104 extern struct genl_family dp_ct_limit_genl_fam <<
105 #endif <<
106 #endif /* ovs_conntrack.h */ 100 #endif /* ovs_conntrack.h */
107 101
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