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3948eb54 DDP |
1 | /* |
2 | * Copyright (c) 2015 Nicira, Inc. | |
3 | * | |
4 | * Licensed under the Apache License, Version 2.0 (the "License"); | |
5 | * you may not use this file except in compliance with the License. | |
6 | * You may obtain a copy of the License at: | |
7 | * | |
8 | * http://www.apache.org/licenses/LICENSE-2.0 | |
9 | * | |
10 | * Unless required by applicable law or agreed to in writing, software | |
11 | * distributed under the License is distributed on an "AS IS" BASIS, | |
12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
13 | * See the License for the specific language governing permissions and | |
14 | * limitations under the License. | |
15 | */ | |
16 | ||
17 | #ifndef CT_DPIF_H | |
18 | #define CT_DPIF_H | |
19 | ||
20 | #include "openvswitch/types.h" | |
21 | #include "packets.h" | |
22 | ||
23 | union ct_dpif_inet_addr { | |
24 | ovs_be32 ip; | |
25 | ovs_be32 ip6[4]; | |
26 | struct in_addr in; | |
27 | struct in6_addr in6; | |
28 | }; | |
29 | ||
30 | struct ct_dpif_tuple { | |
31 | uint16_t l3_type; /* Address family. */ | |
32 | uint8_t ip_proto; | |
33 | union ct_dpif_inet_addr src; | |
34 | union ct_dpif_inet_addr dst; | |
35 | union { | |
36 | ovs_be16 src_port; | |
37 | ovs_be16 icmp_id; | |
38 | }; | |
39 | union { | |
40 | ovs_be16 dst_port; | |
41 | struct { | |
42 | uint8_t icmp_type; | |
43 | uint8_t icmp_code; | |
44 | }; | |
45 | }; | |
46 | }; | |
47 | BUILD_ASSERT_DECL(sizeof(struct ct_dpif_tuple) % 8 == 0); | |
48 | ||
49 | struct ct_dpif_counters { | |
50 | uint64_t packets; | |
51 | uint64_t bytes; | |
52 | }; | |
53 | ||
54 | /* Nanoseconds from January 1, 1970 */ | |
55 | struct ct_dpif_timestamp { | |
56 | /* When the entry was created */ | |
57 | uint64_t start; | |
58 | /* When the entry was deleted */ | |
59 | uint64_t stop; | |
60 | }; | |
61 | ||
62 | #define CT_DPIF_TCP_STATES \ | |
63 | CT_DPIF_TCP_STATE(CLOSED) \ | |
64 | CT_DPIF_TCP_STATE(LISTEN) \ | |
65 | CT_DPIF_TCP_STATE(SYN_SENT) \ | |
66 | CT_DPIF_TCP_STATE(SYN_RECV) \ | |
67 | CT_DPIF_TCP_STATE(ESTABLISHED) \ | |
68 | CT_DPIF_TCP_STATE(CLOSE_WAIT) \ | |
69 | CT_DPIF_TCP_STATE(FIN_WAIT_1) \ | |
70 | CT_DPIF_TCP_STATE(CLOSING) \ | |
71 | CT_DPIF_TCP_STATE(LAST_ACK) \ | |
72 | CT_DPIF_TCP_STATE(FIN_WAIT_2) \ | |
8a0d9d85 FA |
73 | CT_DPIF_TCP_STATE(TIME_WAIT) \ |
74 | CT_DPIF_TCP_STATE(MAX_NUM) | |
3948eb54 DDP |
75 | |
76 | enum ct_dpif_tcp_state { | |
77 | #define CT_DPIF_TCP_STATE(STATE) CT_DPIF_TCPS_##STATE, | |
78 | CT_DPIF_TCP_STATES | |
79 | #undef CT_DPIF_TCP_STATE | |
80 | }; | |
81 | ||
82 | extern const char *ct_dpif_tcp_state_string[]; | |
83 | ||
84 | #define CT_DPIF_TCP_FLAGS \ | |
85 | CT_DPIF_TCP_FLAG(WINDOW_SCALE) \ | |
86 | CT_DPIF_TCP_FLAG(SACK_PERM) \ | |
87 | CT_DPIF_TCP_FLAG(CLOSE_INIT) \ | |
88 | CT_DPIF_TCP_FLAG(BE_LIBERAL) \ | |
89 | CT_DPIF_TCP_FLAG(DATA_UNACKNOWLEDGED) \ | |
90 | CT_DPIF_TCP_FLAG(MAXACK_SET) \ | |
91 | ||
92 | enum ct_dpif_tcp_flags_count_ { | |
93 | #define CT_DPIF_TCP_FLAG(FLAG) FLAG##_COUNT_, | |
94 | CT_DPIF_TCP_FLAGS | |
95 | #undef CT_DPIF_TCP_FLAG | |
96 | }; | |
97 | ||
98 | enum ct_dpif_tcp_flags { | |
99 | #define CT_DPIF_TCP_FLAG(FLAG) CT_DPIF_TCPF_##FLAG = (1 << FLAG##_COUNT_), | |
100 | CT_DPIF_TCP_FLAGS | |
101 | #undef CT_DPIF_TCP_FLAG | |
102 | }; | |
103 | ||
104 | struct ct_dpif_protoinfo { | |
105 | uint16_t proto; /* IPPROTO_* */ | |
106 | union { | |
107 | struct { | |
108 | uint8_t state_orig; | |
109 | uint8_t state_reply; | |
110 | uint8_t wscale_orig; | |
111 | uint8_t wscale_reply; | |
112 | uint8_t flags_orig; | |
113 | uint8_t flags_reply; | |
114 | } tcp; | |
115 | }; | |
116 | }; | |
117 | ||
118 | struct ct_dpif_helper { | |
119 | char *name; | |
120 | }; | |
121 | ||
122 | #define CT_DPIF_STATUS_FLAGS \ | |
123 | CT_DPIF_STATUS_FLAG(EXPECTED) \ | |
124 | CT_DPIF_STATUS_FLAG(SEEN_REPLY) \ | |
125 | CT_DPIF_STATUS_FLAG(ASSURED) \ | |
126 | CT_DPIF_STATUS_FLAG(CONFIRMED) \ | |
127 | CT_DPIF_STATUS_FLAG(SRC_NAT) \ | |
128 | CT_DPIF_STATUS_FLAG(DST_NAT) \ | |
129 | CT_DPIF_STATUS_FLAG(SEQ_ADJUST) \ | |
130 | CT_DPIF_STATUS_FLAG(SRC_NAT_DONE) \ | |
131 | CT_DPIF_STATUS_FLAG(DST_NAT_DONE) \ | |
132 | CT_DPIF_STATUS_FLAG(DYING) \ | |
133 | CT_DPIF_STATUS_FLAG(FIXED_TIMEOUT) \ | |
134 | CT_DPIF_STATUS_FLAG(TEMPLATE) \ | |
135 | CT_DPIF_STATUS_FLAG(UNTRACKED) \ | |
136 | ||
137 | enum ct_dpif_status_flags_count_ { | |
138 | #define CT_DPIF_STATUS_FLAG(FLAG) FLAG##_COUNT_, | |
139 | CT_DPIF_STATUS_FLAGS | |
140 | #undef CT_DPIF_STATUS_FLAG | |
141 | }; | |
142 | ||
143 | enum ct_dpif_status_flags { | |
144 | #define CT_DPIF_STATUS_FLAG(FLAG) CT_DPIF_STATUS_##FLAG = (1 << FLAG##_COUNT_), | |
145 | CT_DPIF_STATUS_FLAGS | |
146 | #undef CT_DPIF_STATUS_FLAG | |
147 | }; | |
148 | ||
149 | struct ct_dpif_entry { | |
150 | /* Const members. */ | |
151 | struct ct_dpif_tuple tuple_orig; | |
152 | struct ct_dpif_tuple tuple_reply; | |
153 | struct ct_dpif_tuple tuple_master; | |
154 | struct ct_dpif_helper helper; | |
155 | uint32_t id; | |
156 | uint16_t zone; | |
157 | ||
158 | /* Modifiable members. */ | |
159 | ||
160 | struct ct_dpif_counters counters_orig; | |
161 | struct ct_dpif_counters counters_reply; | |
162 | ||
163 | struct ct_dpif_timestamp timestamp; | |
164 | struct ct_dpif_protoinfo protoinfo; | |
165 | ||
166 | ovs_u128 labels; | |
e7237700 | 167 | bool have_labels; |
3948eb54 DDP |
168 | uint32_t status; |
169 | /* Timeout for this entry in seconds */ | |
170 | uint32_t timeout; | |
171 | uint32_t mark; | |
ded30c74 | 172 | uint32_t bkt; /* CT bucket number. */ |
3948eb54 DDP |
173 | }; |
174 | ||
8a0d9d85 FA |
175 | enum { |
176 | CT_STATS_UDP, | |
177 | CT_STATS_TCP, | |
178 | CT_STATS_SCTP, | |
179 | CT_STATS_ICMP, | |
180 | CT_STATS_ICMPV6, | |
181 | CT_STATS_UDPLITE, | |
182 | CT_STATS_DCCP, | |
183 | CT_STATS_IGMP, | |
184 | CT_STATS_OTHER, | |
185 | CT_STATS_MAX, | |
186 | }; | |
187 | ||
b77d9629 DDP |
188 | struct dpif; |
189 | ||
190 | struct ct_dpif_dump_state { | |
191 | struct dpif *dpif; | |
192 | }; | |
193 | ||
194 | int ct_dpif_dump_start(struct dpif *, struct ct_dpif_dump_state **, | |
ded30c74 | 195 | const uint16_t *zone, int *); |
b77d9629 DDP |
196 | int ct_dpif_dump_next(struct ct_dpif_dump_state *, struct ct_dpif_entry *); |
197 | int ct_dpif_dump_done(struct ct_dpif_dump_state *); | |
a0f7b6d5 | 198 | int ct_dpif_flush(struct dpif *, const uint16_t *zone); |
3948eb54 DDP |
199 | void ct_dpif_entry_uninit(struct ct_dpif_entry *); |
200 | void ct_dpif_format_entry(const struct ct_dpif_entry *, struct ds *, | |
201 | bool verbose, bool print_stats); | |
b269a122 | 202 | void ct_dpif_format_tuple(struct ds *, const struct ct_dpif_tuple *); |
8a0d9d85 FA |
203 | uint8_t ct_dpif_coalesce_tcp_state(uint8_t state); |
204 | void ct_dpif_format_tcp_stat(struct ds *, int, int); | |
3948eb54 DDP |
205 | |
206 | #endif /* CT_DPIF_H */ |