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fa37b408 | 1 | /* |
a930d4c5 | 2 | * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016 Nicira, Inc. |
fa37b408 BP |
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 OFP_UTIL_H | |
18 | #define OFP_UTIL_H 1 | |
19 | ||
c1c9c9c4 | 20 | #include <stdbool.h> |
fa37b408 BP |
21 | #include <stddef.h> |
22 | #include <stdint.h> | |
5deff5aa | 23 | #include "bitmap.h" |
f25d0cf3 | 24 | #include "compiler.h" |
fa37b408 | 25 | #include "flow.h" |
13751fd8 | 26 | #include "list.h" |
81a76618 | 27 | #include "match.h" |
abadfcb0 | 28 | #include "meta-flow.h" |
6c038611 | 29 | #include "netdev.h" |
bc65c25a | 30 | #include "openflow/netronome-ext.h" |
492f7572 | 31 | #include "openflow/nicira-ext.h" |
44381c1b | 32 | #include "openvswitch/types.h" |
5014a89d | 33 | #include "type-props.h" |
fa37b408 BP |
34 | |
35 | struct ofpbuf; | |
e45e72f1 | 36 | union ofp_action; |
b2dd70be | 37 | struct ofpact_set_field; |
9bfe9334 | 38 | struct pktbuf; |
fa37b408 | 39 | |
39dc9082 | 40 | /* Port numbers. */ |
4e022ec0 AW |
41 | enum ofperr ofputil_port_from_ofp11(ovs_be32 ofp11_port, |
42 | ofp_port_t *ofp10_port); | |
43 | ovs_be32 ofputil_port_to_ofp11(ofp_port_t ofp10_port); | |
7b7503ea | 44 | |
4e022ec0 AW |
45 | bool ofputil_port_from_string(const char *, ofp_port_t *portp); |
46 | void ofputil_format_port(ofp_port_t port, struct ds *); | |
28b11432 BP |
47 | void ofputil_port_to_string(ofp_port_t, char namebuf[OFP_MAX_PORT_NAME_LEN], |
48 | size_t bufsize); | |
d1e2cf21 | 49 | |
7395c052 NZ |
50 | /* Group numbers. */ |
51 | enum { MAX_GROUP_NAME_LEN = INT_STRLEN(uint32_t) }; | |
52 | bool ofputil_group_from_string(const char *, uint32_t *group_id); | |
53 | void ofputil_format_group(uint32_t group_id, struct ds *); | |
54 | void ofputil_group_to_string(uint32_t group_id, | |
55 | char namebuf[MAX_GROUP_NAME_LEN + 1], | |
56 | size_t bufsize); | |
57 | ||
eec25dc1 BP |
58 | /* Converting OFPFW10_NW_SRC_MASK and OFPFW10_NW_DST_MASK wildcard bit counts |
59 | * to and from IP bitmasks. */ | |
0596e897 BP |
60 | ovs_be32 ofputil_wcbits_to_netmask(int wcbits); |
61 | int ofputil_netmask_to_wcbits(ovs_be32 netmask); | |
62 | ||
27527aa0 | 63 | /* Protocols. |
85813857 BP |
64 | * |
65 | * A "protocol" is an OpenFlow version plus, for some OpenFlow versions, | |
66 | * a bit extra about the flow match format in use. | |
27527aa0 BP |
67 | * |
68 | * These are arranged from most portable to least portable, or alternatively | |
85813857 BP |
69 | * from least powerful to most powerful. Protocols earlier on the list are |
70 | * more likely to be understood for the purpose of making requests, but | |
71 | * protocol later on the list are more likely to accurately describe a flow | |
72 | * within a switch. | |
27527aa0 BP |
73 | * |
74 | * On any given OpenFlow connection, a single protocol is in effect at any | |
75 | * given time. These values use separate bits only because that makes it easy | |
76 | * to test whether a particular protocol is within a given set of protocols and | |
77 | * to implement set union and intersection. | |
78 | */ | |
79 | enum ofputil_protocol { | |
85813857 BP |
80 | /* OpenFlow 1.0 protocols. |
81 | * | |
82 | * The "STD" protocols use the standard OpenFlow 1.0 flow format. | |
83 | * The "NXM" protocols use the Nicira Extensible Match (NXM) flow format. | |
84 | * | |
85 | * The protocols with "TID" mean that the nx_flow_mod_table_id Nicira | |
86 | * extension has been enabled. The other protocols have it disabled. | |
87 | */ | |
eb12aa89 | 88 | #define OFPUTIL_P_NONE 0 |
85813857 BP |
89 | OFPUTIL_P_OF10_STD = 1 << 0, |
90 | OFPUTIL_P_OF10_STD_TID = 1 << 1, | |
91 | OFPUTIL_P_OF10_NXM = 1 << 2, | |
92 | OFPUTIL_P_OF10_NXM_TID = 1 << 3, | |
93 | #define OFPUTIL_P_OF10_STD_ANY (OFPUTIL_P_OF10_STD | OFPUTIL_P_OF10_STD_TID) | |
94 | #define OFPUTIL_P_OF10_NXM_ANY (OFPUTIL_P_OF10_NXM | OFPUTIL_P_OF10_NXM_TID) | |
8621547c | 95 | #define OFPUTIL_P_OF10_ANY (OFPUTIL_P_OF10_STD_ANY | OFPUTIL_P_OF10_NXM_ANY) |
27527aa0 | 96 | |
75fa58f8 BP |
97 | /* OpenFlow 1.1 protocol. |
98 | * | |
99 | * We only support the standard OpenFlow 1.1 flow format. | |
100 | * | |
101 | * OpenFlow 1.1 always operates with an equivalent of the | |
102 | * nx_flow_mod_table_id Nicira extension enabled, so there is no "TID" | |
103 | * variant. */ | |
104 | OFPUTIL_P_OF11_STD = 1 << 4, | |
105 | ||
2e1ae200 | 106 | /* OpenFlow 1.2+ protocols (only one variant each). |
85813857 | 107 | * |
2e1ae200 | 108 | * These use the standard OpenFlow Extensible Match (OXM) flow format. |
85813857 | 109 | * |
2e1ae200 | 110 | * OpenFlow 1.2+ always operates with an equivalent of the |
85813857 BP |
111 | * nx_flow_mod_table_id Nicira extension enabled, so there is no "TID" |
112 | * variant. */ | |
75fa58f8 BP |
113 | OFPUTIL_P_OF12_OXM = 1 << 5, |
114 | OFPUTIL_P_OF13_OXM = 1 << 6, | |
c37c0382 | 115 | OFPUTIL_P_OF14_OXM = 1 << 7, |
42dccab5 BP |
116 | OFPUTIL_P_OF15_OXM = 1 << 8, |
117 | #define OFPUTIL_P_ANY_OXM (OFPUTIL_P_OF12_OXM | \ | |
118 | OFPUTIL_P_OF13_OXM | \ | |
119 | OFPUTIL_P_OF14_OXM | \ | |
120 | OFPUTIL_P_OF15_OXM) | |
44d3732d | 121 | |
db0b6c29 JR |
122 | #define OFPUTIL_P_NXM_OF11_UP (OFPUTIL_P_OF10_NXM_ANY | OFPUTIL_P_OF11_STD | \ |
123 | OFPUTIL_P_ANY_OXM) | |
124 | ||
125 | #define OFPUTIL_P_NXM_OXM_ANY (OFPUTIL_P_OF10_NXM_ANY | OFPUTIL_P_ANY_OXM) | |
126 | ||
127 | #define OFPUTIL_P_OF11_UP (OFPUTIL_P_OF11_STD | OFPUTIL_P_ANY_OXM) | |
128 | ||
ab12d917 BP |
129 | #define OFPUTIL_P_OF12_UP (OFPUTIL_P_OF12_OXM | OFPUTIL_P_OF13_UP) |
130 | #define OFPUTIL_P_OF13_UP (OFPUTIL_P_OF13_OXM | OFPUTIL_P_OF14_UP) | |
42dccab5 BP |
131 | #define OFPUTIL_P_OF14_UP (OFPUTIL_P_OF14_OXM | OFPUTIL_P_OF15_UP) |
132 | #define OFPUTIL_P_OF15_UP OFPUTIL_P_OF15_OXM | |
c37c0382 | 133 | |
27527aa0 | 134 | /* All protocols. */ |
42dccab5 | 135 | #define OFPUTIL_P_ANY ((1 << 9) - 1) |
27527aa0 BP |
136 | |
137 | /* Protocols in which a specific table may be specified in flow_mods. */ | |
7cd90356 BP |
138 | #define OFPUTIL_P_TID (OFPUTIL_P_OF10_STD_TID | \ |
139 | OFPUTIL_P_OF10_NXM_TID | \ | |
75fa58f8 | 140 | OFPUTIL_P_OF11_STD | \ |
4f13da56 | 141 | OFPUTIL_P_ANY_OXM) |
27527aa0 BP |
142 | }; |
143 | ||
144 | /* Protocols to use for flow dumps, from most to least preferred. */ | |
145 | extern enum ofputil_protocol ofputil_flow_dump_protocols[]; | |
146 | extern size_t ofputil_n_flow_dump_protocols; | |
147 | ||
6d2c051a | 148 | enum ofputil_protocol ofputil_protocol_from_ofp_version(enum ofp_version); |
4f13da56 BP |
149 | enum ofputil_protocol ofputil_protocols_from_ofp_version(enum ofp_version); |
150 | enum ofp_version ofputil_protocol_to_ofp_version(enum ofputil_protocol); | |
9e1fd49b | 151 | |
27527aa0 BP |
152 | bool ofputil_protocol_is_valid(enum ofputil_protocol); |
153 | enum ofputil_protocol ofputil_protocol_set_tid(enum ofputil_protocol, | |
154 | bool enable); | |
155 | enum ofputil_protocol ofputil_protocol_to_base(enum ofputil_protocol); | |
156 | enum ofputil_protocol ofputil_protocol_set_base( | |
157 | enum ofputil_protocol cur, enum ofputil_protocol new_base); | |
158 | ||
159 | const char *ofputil_protocol_to_string(enum ofputil_protocol); | |
160 | char *ofputil_protocols_to_string(enum ofputil_protocol); | |
161 | enum ofputil_protocol ofputil_protocols_from_string(const char *); | |
27527aa0 | 162 | |
03e1125c SH |
163 | void ofputil_format_version(struct ds *, enum ofp_version); |
164 | void ofputil_format_version_name(struct ds *, enum ofp_version); | |
165 | ||
166 | /* A bitmap of version numbers | |
167 | * | |
168 | * Bit offsets correspond to ofp_version numbers which in turn correspond to | |
0746a84f BP |
169 | * wire-protocol numbers for OpenFlow versions, e.g. (1u << OFP11_VERSION) |
170 | * is the mask for OpenFlow 1.1. If the bit for a version is set then it is | |
03e1125c SH |
171 | * allowed, otherwise it is disallowed. */ |
172 | ||
173 | void ofputil_format_version_bitmap(struct ds *msg, uint32_t bitmap); | |
174 | void ofputil_format_version_bitmap_names(struct ds *msg, uint32_t bitmap); | |
175 | ||
9d84066c BP |
176 | enum ofp_version ofputil_version_from_string(const char *s); |
177 | ||
4f13da56 BP |
178 | uint32_t ofputil_protocols_to_version_bitmap(enum ofputil_protocol); |
179 | enum ofputil_protocol ofputil_protocols_from_version_bitmap(uint32_t bitmap); | |
180 | ||
6dc53744 BP |
181 | /* Bitmaps of OpenFlow versions that Open vSwitch supports, and that it enables |
182 | * by default. When Open vSwitch has experimental or incomplete support for | |
183 | * newer versions of OpenFlow, those versions should not be supported by | |
184 | * default and thus should be omitted from the latter bitmap. */ | |
185 | #define OFPUTIL_SUPPORTED_VERSIONS ((1u << OFP10_VERSION) | \ | |
186 | (1u << OFP11_VERSION) | \ | |
187 | (1u << OFP12_VERSION) | \ | |
188 | (1u << OFP13_VERSION)) | |
189 | #define OFPUTIL_DEFAULT_VERSIONS OFPUTIL_SUPPORTED_VERSIONS | |
03e1125c SH |
190 | |
191 | enum ofputil_protocol ofputil_protocols_from_string(const char *s); | |
192 | ||
193 | const char *ofputil_version_to_string(enum ofp_version ofp_version); | |
194 | uint32_t ofputil_versions_from_string(const char *s); | |
7beaa082 | 195 | uint32_t ofputil_versions_from_strings(char ** const s, size_t count); |
03e1125c | 196 | |
de6c85b0 SH |
197 | bool ofputil_decode_hello(const struct ofp_header *, |
198 | uint32_t *allowed_versions); | |
199 | struct ofpbuf *ofputil_encode_hello(uint32_t version_bitmap); | |
200 | ||
27527aa0 BP |
201 | struct ofpbuf *ofputil_encode_set_protocol(enum ofputil_protocol current, |
202 | enum ofputil_protocol want, | |
203 | enum ofputil_protocol *next); | |
204 | ||
205 | /* nx_flow_format */ | |
206 | struct ofpbuf *ofputil_encode_nx_set_flow_format(enum nx_flow_format); | |
207 | enum ofputil_protocol ofputil_nx_flow_format_to_protocol(enum nx_flow_format); | |
208 | bool ofputil_nx_flow_format_is_valid(enum nx_flow_format); | |
209 | const char *ofputil_nx_flow_format_to_string(enum nx_flow_format); | |
210 | ||
eec25dc1 BP |
211 | /* Work with ofp10_match. */ |
212 | void ofputil_wildcard_from_ofpfw10(uint32_t ofpfw, struct flow_wildcards *); | |
81a76618 BP |
213 | void ofputil_match_from_ofp10_match(const struct ofp10_match *, |
214 | struct match *); | |
215 | void ofputil_normalize_match(struct match *); | |
216 | void ofputil_normalize_match_quiet(struct match *); | |
217 | void ofputil_match_to_ofp10_match(const struct match *, struct ofp10_match *); | |
d8ae4d67 | 218 | |
410698cf | 219 | /* Work with ofp11_match. */ |
81a76618 | 220 | enum ofperr ofputil_pull_ofp11_match(struct ofpbuf *, struct match *, |
36a16881 | 221 | uint16_t *padded_match_len); |
bc65c25a SH |
222 | enum ofperr ofputil_pull_ofp11_mask(struct ofpbuf *, struct match *, |
223 | struct mf_bitmap *bm); | |
81a76618 BP |
224 | enum ofperr ofputil_match_from_ofp11_match(const struct ofp11_match *, |
225 | struct match *); | |
75fa58f8 BP |
226 | int ofputil_put_ofp11_match(struct ofpbuf *, const struct match *, |
227 | enum ofputil_protocol); | |
81a76618 | 228 | void ofputil_match_to_ofp11_match(const struct match *, struct ofp11_match *); |
75fa58f8 | 229 | int ofputil_match_typical_len(enum ofputil_protocol); |
410698cf | 230 | |
36956a7d BP |
231 | /* dl_type translation between OpenFlow and 'struct flow' format. */ |
232 | ovs_be16 ofputil_dl_type_to_openflow(ovs_be16 flow_dl_type); | |
233 | ovs_be16 ofputil_dl_type_from_openflow(ovs_be16 ofp_dl_type); | |
234 | ||
54834960 EJ |
235 | /* PACKET_IN. */ |
236 | bool ofputil_packet_in_format_is_valid(enum nx_packet_in_format); | |
237 | int ofputil_packet_in_format_from_string(const char *); | |
238 | const char *ofputil_packet_in_format_to_string(enum nx_packet_in_format); | |
3f4a1939 SH |
239 | struct ofpbuf *ofputil_make_set_packet_in_format(enum ofp_version, |
240 | enum nx_packet_in_format); | |
54834960 | 241 | |
6c1491fb BP |
242 | /* NXT_FLOW_MOD_TABLE_ID extension. */ |
243 | struct ofpbuf *ofputil_make_flow_mod_table_id(bool flow_mod_table_id); | |
244 | ||
0fb88c18 BP |
245 | /* Protocol-independent flow_mod flags. */ |
246 | enum ofputil_flow_mod_flags { | |
3f517bcd DB |
247 | /* Flags that are maintained with a flow as part of its state. |
248 | * | |
249 | * (OFPUTIL_FF_EMERG would be here too, if OVS supported it.) */ | |
0fb88c18 | 250 | OFPUTIL_FF_SEND_FLOW_REM = 1 << 0, /* All versions. */ |
3f517bcd DB |
251 | OFPUTIL_FF_NO_PKT_COUNTS = 1 << 1, /* OpenFlow 1.3+. */ |
252 | OFPUTIL_FF_NO_BYT_COUNTS = 1 << 2, /* OpenFlow 1.3+. */ | |
3f517bcd | 253 | |
13327b8e BP |
254 | /* These flags primarily affects flow_mod behavior. They are not |
255 | * particularly useful as part of flow state. We include them in flow | |
256 | * state only because OpenFlow implies that they should be. */ | |
3f517bcd | 257 | OFPUTIL_FF_CHECK_OVERLAP = 1 << 3, /* All versions. */ |
13327b8e BP |
258 | OFPUTIL_FF_RESET_COUNTS = 1 << 4, /* OpenFlow 1.2+. */ |
259 | ||
260 | /* Not supported by OVS. */ | |
261 | OFPUTIL_FF_EMERG = 1 << 5, /* OpenFlow 1.0 only. */ | |
262 | ||
263 | /* The set of flags maintained as part of a flow table entry. */ | |
264 | #define OFPUTIL_FF_STATE (OFPUTIL_FF_SEND_FLOW_REM \ | |
265 | | OFPUTIL_FF_NO_PKT_COUNTS \ | |
266 | | OFPUTIL_FF_NO_BYT_COUNTS \ | |
267 | | OFPUTIL_FF_CHECK_OVERLAP \ | |
268 | | OFPUTIL_FF_RESET_COUNTS) | |
adcf00ba AZ |
269 | |
270 | /* Flags that are only set by OVS for its internal use. Cannot be set via | |
271 | * OpenFlow. */ | |
272 | OFPUTIL_FF_HIDDEN_FIELDS = 1 << 6, /* Allow hidden match fields to be | |
273 | set or modified. */ | |
274 | OFPUTIL_FF_NO_READONLY = 1 << 7, /* Allow rules within read only tables | |
275 | to be modified */ | |
0fb88c18 BP |
276 | }; |
277 | ||
623e1caf JP |
278 | /* Protocol-independent flow_mod. |
279 | * | |
280 | * The handling of cookies across multiple versions of OpenFlow is a bit | |
23342857 | 281 | * confusing. See DESIGN for the details. */ |
a9a2da38 | 282 | struct ofputil_flow_mod { |
ca6ba700 | 283 | struct ovs_list list_node; /* For queuing flow_mods. */ |
3d9c5e58 | 284 | |
81a76618 | 285 | struct match match; |
eb391b76 | 286 | int priority; |
23342857 BP |
287 | |
288 | /* Cookie matching. The flow_mod affects only flows that have cookies that | |
289 | * bitwise match 'cookie' bits in positions where 'cookie_mask has 1-bits. | |
290 | * | |
291 | * 'cookie_mask' should be zero for OFPFC_ADD flow_mods. */ | |
623e1caf JP |
292 | ovs_be64 cookie; /* Cookie bits to match. */ |
293 | ovs_be64 cookie_mask; /* 1-bit in each 'cookie' bit to match. */ | |
23342857 BP |
294 | |
295 | /* Cookie changes. | |
296 | * | |
297 | * OFPFC_ADD uses 'new_cookie' as the new flow's cookie. 'new_cookie' | |
298 | * should not be UINT64_MAX. | |
299 | * | |
300 | * OFPFC_MODIFY and OFPFC_MODIFY_STRICT have two cases: | |
301 | * | |
302 | * - If one or more matching flows exist and 'modify_cookie' is true, | |
303 | * then the flow_mod changes the existing flows' cookies to | |
304 | * 'new_cookie'. 'new_cookie' should not be UINT64_MAX. | |
305 | * | |
306 | * - If no matching flow exists, 'new_cookie' is not UINT64_MAX, and | |
307 | * 'cookie_mask' is 0, then the flow_mod adds a new flow with | |
308 | * 'new_cookie' as its cookie. | |
309 | */ | |
310 | ovs_be64 new_cookie; /* New cookie to install or UINT64_MAX. */ | |
311 | bool modify_cookie; /* Set cookie of existing flow to 'new_cookie'? */ | |
312 | ||
6c1491fb | 313 | uint8_t table_id; |
2e4f5fcf BP |
314 | uint16_t command; |
315 | uint16_t idle_timeout; | |
316 | uint16_t hard_timeout; | |
317 | uint32_t buffer_id; | |
4e022ec0 | 318 | ofp_port_t out_port; |
7395c052 | 319 | uint32_t out_group; |
0fb88c18 | 320 | enum ofputil_flow_mod_flags flags; |
ca26eb44 | 321 | uint16_t importance; /* Eviction precedence. */ |
dc723c44 JR |
322 | struct ofpact *ofpacts; /* Series of "struct ofpact"s. */ |
323 | size_t ofpacts_len; /* Length of ofpacts, in bytes. */ | |
cc40d06b SH |
324 | |
325 | /* Reason for delete; ignored for non-delete commands */ | |
326 | enum ofp_flow_removed_reason delete_reason; | |
2e4f5fcf BP |
327 | }; |
328 | ||
90bf1e07 BP |
329 | enum ofperr ofputil_decode_flow_mod(struct ofputil_flow_mod *, |
330 | const struct ofp_header *, | |
f25d0cf3 | 331 | enum ofputil_protocol, |
7e9f8266 BP |
332 | struct ofpbuf *ofpacts, |
333 | ofp_port_t max_port, | |
334 | uint8_t max_table); | |
a9a2da38 | 335 | struct ofpbuf *ofputil_encode_flow_mod(const struct ofputil_flow_mod *, |
27527aa0 BP |
336 | enum ofputil_protocol); |
337 | ||
27527aa0 | 338 | /* Flow stats or aggregate stats request, independent of protocol. */ |
81d1ea94 | 339 | struct ofputil_flow_stats_request { |
2e4f5fcf | 340 | bool aggregate; /* Aggregate results? */ |
81a76618 | 341 | struct match match; |
e729e793 JP |
342 | ovs_be64 cookie; |
343 | ovs_be64 cookie_mask; | |
4e022ec0 | 344 | ofp_port_t out_port; |
7395c052 | 345 | uint32_t out_group; |
2e4f5fcf BP |
346 | uint8_t table_id; |
347 | }; | |
348 | ||
90bf1e07 BP |
349 | enum ofperr ofputil_decode_flow_stats_request( |
350 | struct ofputil_flow_stats_request *, const struct ofp_header *); | |
2e4f5fcf | 351 | struct ofpbuf *ofputil_encode_flow_stats_request( |
27527aa0 | 352 | const struct ofputil_flow_stats_request *, enum ofputil_protocol); |
2e4f5fcf | 353 | |
27527aa0 | 354 | /* Flow stats reply, independent of protocol. */ |
4ffd1b43 | 355 | struct ofputil_flow_stats { |
81a76618 | 356 | struct match match; |
4ffd1b43 BP |
357 | ovs_be64 cookie; |
358 | uint8_t table_id; | |
81a76618 | 359 | uint16_t priority; |
4ffd1b43 BP |
360 | uint16_t idle_timeout; |
361 | uint16_t hard_timeout; | |
e0822031 HS |
362 | uint32_t duration_sec; |
363 | uint32_t duration_nsec; | |
f27f2134 BP |
364 | int idle_age; /* Seconds since last packet, -1 if unknown. */ |
365 | int hard_age; /* Seconds since last change, -1 if unknown. */ | |
5e9d0469 BP |
366 | uint64_t packet_count; /* Packet count, UINT64_MAX if unknown. */ |
367 | uint64_t byte_count; /* Byte count, UINT64_MAX if unknown. */ | |
dc723c44 | 368 | const struct ofpact *ofpacts; |
f25d0cf3 | 369 | size_t ofpacts_len; |
0fb88c18 | 370 | enum ofputil_flow_mod_flags flags; |
ca26eb44 | 371 | uint16_t importance; /* Eviction precedence. */ |
4ffd1b43 BP |
372 | }; |
373 | ||
374 | int ofputil_decode_flow_stats_reply(struct ofputil_flow_stats *, | |
f27f2134 | 375 | struct ofpbuf *msg, |
f25d0cf3 BP |
376 | bool flow_age_extension, |
377 | struct ofpbuf *ofpacts); | |
349adfb2 | 378 | void ofputil_append_flow_stats_reply(const struct ofputil_flow_stats *, |
ca6ba700 | 379 | struct ovs_list *replies); |
4ffd1b43 | 380 | |
27527aa0 | 381 | /* Aggregate stats reply, independent of protocol. */ |
76c93b22 | 382 | struct ofputil_aggregate_stats { |
5e9d0469 BP |
383 | uint64_t packet_count; /* Packet count, UINT64_MAX if unknown. */ |
384 | uint64_t byte_count; /* Byte count, UINT64_MAX if unknown. */ | |
76c93b22 BP |
385 | uint32_t flow_count; |
386 | }; | |
387 | ||
388 | struct ofpbuf *ofputil_encode_aggregate_stats_reply( | |
389 | const struct ofputil_aggregate_stats *stats, | |
982697a4 BP |
390 | const struct ofp_header *request); |
391 | enum ofperr ofputil_decode_aggregate_stats_reply( | |
392 | struct ofputil_aggregate_stats *, | |
393 | const struct ofp_header *reply); | |
76c93b22 | 394 | |
27527aa0 | 395 | /* Flow removed message, independent of protocol. */ |
9b045a0c | 396 | struct ofputil_flow_removed { |
81a76618 | 397 | struct match match; |
9b045a0c | 398 | ovs_be64 cookie; |
e0822031 | 399 | uint16_t priority; |
9b045a0c | 400 | uint8_t reason; /* One of OFPRR_*. */ |
95216219 | 401 | uint8_t table_id; /* 255 if message didn't include table ID. */ |
9b045a0c BP |
402 | uint32_t duration_sec; |
403 | uint32_t duration_nsec; | |
404 | uint16_t idle_timeout; | |
fa2bad0f | 405 | uint16_t hard_timeout; |
5e9d0469 BP |
406 | uint64_t packet_count; /* Packet count, UINT64_MAX if unknown. */ |
407 | uint64_t byte_count; /* Byte count, UINT64_MAX if unknown. */ | |
9b045a0c BP |
408 | }; |
409 | ||
90bf1e07 BP |
410 | enum ofperr ofputil_decode_flow_removed(struct ofputil_flow_removed *, |
411 | const struct ofp_header *); | |
588cd7b5 | 412 | struct ofpbuf *ofputil_encode_flow_removed(const struct ofputil_flow_removed *, |
27527aa0 | 413 | enum ofputil_protocol); |
9b045a0c | 414 | |
9bfe9334 BP |
415 | /* Abstract packet-in message. |
416 | * | |
417 | * This omits the 'total_len' and 'buffer_id' fields, which we handle | |
418 | * differently for encoding and decoding.*/ | |
ebb57021 | 419 | struct ofputil_packet_in { |
22ee3544 BP |
420 | /* Packet data and metadata. |
421 | * | |
9bfe9334 BP |
422 | * On encoding, the full packet should be supplied, but depending on its |
423 | * other parameters ofputil_encode_packet_in() might send only the first | |
424 | * part of the packet. | |
22ee3544 | 425 | * |
9bfe9334 BP |
426 | * On decoding, the 'len' bytes in 'packet' might only be the first part of |
427 | * the original packet. ofputil_decode_packet_in() reports the full | |
428 | * original length of the packet using its 'total_len' output parameter. */ | |
429 | const void *packet; /* The packet. */ | |
430 | size_t len; /* Length of 'packet' in bytes. */ | |
431 | ||
432 | /* Input port and other metadata for packet. */ | |
433 | struct match flow_metadata; | |
5d6c3af0 | 434 | |
22ee3544 BP |
435 | /* Reason that the packet-in is being sent. */ |
436 | enum ofp_packet_in_reason reason; /* One of OFPR_*. */ | |
437 | ||
438 | /* Information about the OpenFlow flow that triggered the packet-in. | |
439 | * | |
440 | * A packet-in triggered by a flow table miss has no associated flow. In | |
d4fa4e79 | 441 | * that case, 'cookie' is UINT64_MAX. */ |
22ee3544 BP |
442 | uint8_t table_id; /* OpenFlow table ID. */ |
443 | ovs_be64 cookie; /* Flow's cookie. */ | |
ebb57021 BP |
444 | }; |
445 | ||
54834960 | 446 | struct ofpbuf *ofputil_encode_packet_in(const struct ofputil_packet_in *, |
d94240ec | 447 | enum ofputil_protocol protocol, |
9bfe9334 BP |
448 | enum nx_packet_in_format, |
449 | uint16_t max_len, struct pktbuf *); | |
450 | ||
451 | enum ofperr ofputil_decode_packet_in(const struct ofp_header *, | |
452 | struct ofputil_packet_in *, | |
453 | size_t *total_len, uint32_t *buffer_id); | |
ebb57021 | 454 | |
5014a89d BP |
455 | enum { OFPUTIL_PACKET_IN_REASON_BUFSIZE = INT_STRLEN(int) + 1 }; |
456 | const char *ofputil_packet_in_reason_to_string(enum ofp_packet_in_reason, | |
457 | char *reasonbuf, | |
458 | size_t bufsize); | |
7c1a76a4 BP |
459 | bool ofputil_packet_in_reason_from_string(const char *, |
460 | enum ofp_packet_in_reason *); | |
461 | ||
751c7785 BP |
462 | /* Abstract packet-out message. |
463 | * | |
464 | * ofputil_decode_packet_out() will ensure that 'in_port' is a physical port | |
465 | * (OFPP_MAX or less) or one of OFPP_LOCAL, OFPP_NONE, or OFPP_CONTROLLER. */ | |
c6a93eb7 BP |
466 | struct ofputil_packet_out { |
467 | const void *packet; /* Packet data, if buffer_id == UINT32_MAX. */ | |
468 | size_t packet_len; /* Length of packet data in bytes. */ | |
469 | uint32_t buffer_id; /* Buffer id or UINT32_MAX if no buffer. */ | |
4e022ec0 | 470 | ofp_port_t in_port; /* Packet's input port. */ |
f25d0cf3 BP |
471 | struct ofpact *ofpacts; /* Actions. */ |
472 | size_t ofpacts_len; /* Size of ofpacts in bytes. */ | |
c6a93eb7 BP |
473 | }; |
474 | ||
475 | enum ofperr ofputil_decode_packet_out(struct ofputil_packet_out *, | |
982697a4 | 476 | const struct ofp_header *, |
f25d0cf3 | 477 | struct ofpbuf *ofpacts); |
de0f3156 SH |
478 | struct ofpbuf *ofputil_encode_packet_out(const struct ofputil_packet_out *, |
479 | enum ofputil_protocol protocol); | |
c6a93eb7 | 480 | |
ad99e2ed BP |
481 | enum ofputil_frag_handling { |
482 | OFPUTIL_FRAG_NORMAL = OFPC_FRAG_NORMAL, /* No special handling. */ | |
483 | OFPUTIL_FRAG_DROP = OFPC_FRAG_DROP, /* Drop fragments. */ | |
484 | OFPUTIL_FRAG_REASM = OFPC_FRAG_REASM, /* Reassemble (if supported). */ | |
485 | OFPUTIL_FRAG_NX_MATCH = OFPC_FRAG_NX_MATCH /* Match on frag bits. */ | |
486 | }; | |
487 | ||
488 | const char *ofputil_frag_handling_to_string(enum ofputil_frag_handling); | |
489 | bool ofputil_frag_handling_from_string(const char *, | |
490 | enum ofputil_frag_handling *); | |
491 | ||
492 | /* Abstract struct ofp_switch_config. */ | |
493 | struct ofputil_switch_config { | |
494 | /* Fragment handling. */ | |
495 | enum ofputil_frag_handling frag; | |
496 | ||
497 | /* 0: Do not send packet to controller when decrementing invalid IP TTL. | |
498 | * 1: Do send packet to controller when decrementing invalid IP TTL. | |
499 | * -1: Unspecified (only OpenFlow 1.1 and 1.2 support this setting. */ | |
500 | int invalid_ttl_to_controller; | |
501 | ||
502 | /* Maximum bytes of packet to send to controller on miss. */ | |
503 | uint16_t miss_send_len; | |
504 | }; | |
505 | ||
506 | void ofputil_decode_get_config_reply(const struct ofp_header *, | |
507 | struct ofputil_switch_config *); | |
508 | struct ofpbuf *ofputil_encode_get_config_reply( | |
509 | const struct ofp_header *request, const struct ofputil_switch_config *); | |
510 | ||
511 | enum ofperr ofputil_decode_set_config(const struct ofp_header *, | |
512 | struct ofputil_switch_config *); | |
513 | struct ofpbuf *ofputil_encode_set_config( | |
514 | const struct ofputil_switch_config *, enum ofp_version); | |
515 | ||
9e1fd49b BP |
516 | enum ofputil_port_config { |
517 | /* OpenFlow 1.0 and 1.1 share these values for these port config bits. */ | |
518 | OFPUTIL_PC_PORT_DOWN = 1 << 0, /* Port is administratively down. */ | |
519 | OFPUTIL_PC_NO_RECV = 1 << 2, /* Drop all packets received by port. */ | |
520 | OFPUTIL_PC_NO_FWD = 1 << 5, /* Drop packets forwarded to port. */ | |
521 | OFPUTIL_PC_NO_PACKET_IN = 1 << 6, /* No send packet-in msgs for port. */ | |
522 | /* OpenFlow 1.0 only. */ | |
523 | OFPUTIL_PC_NO_STP = 1 << 1, /* No 802.1D spanning tree for port. */ | |
524 | OFPUTIL_PC_NO_RECV_STP = 1 << 3, /* Drop received 802.1D STP packets. */ | |
525 | OFPUTIL_PC_NO_FLOOD = 1 << 4, /* Do not include port when flooding. */ | |
526 | /* There are no OpenFlow 1.1-only bits. */ | |
527 | }; | |
528 | ||
529 | enum ofputil_port_state { | |
530 | /* OpenFlow 1.0 and 1.1 share this values for these port state bits. */ | |
531 | OFPUTIL_PS_LINK_DOWN = 1 << 0, /* No physical link present. */ | |
532 | /* OpenFlow 1.1 only. */ | |
533 | OFPUTIL_PS_BLOCKED = 1 << 1, /* Port is blocked */ | |
534 | OFPUTIL_PS_LIVE = 1 << 2, /* Live for Fast Failover Group. */ | |
535 | /* OpenFlow 1.0 only. */ | |
536 | OFPUTIL_PS_STP_LISTEN = 0 << 8, /* Not learning or relaying frames. */ | |
537 | OFPUTIL_PS_STP_LEARN = 1 << 8, /* Learning but not relaying frames. */ | |
538 | OFPUTIL_PS_STP_FORWARD = 2 << 8, /* Learning and relaying frames. */ | |
539 | OFPUTIL_PS_STP_BLOCK = 3 << 8, /* Not part of spanning tree. */ | |
540 | OFPUTIL_PS_STP_MASK = 3 << 8 /* Bit mask for OFPPS10_STP_* values. */ | |
541 | }; | |
542 | ||
543 | /* Abstract ofp10_phy_port or ofp11_port. */ | |
544 | struct ofputil_phy_port { | |
4e022ec0 | 545 | ofp_port_t port_no; |
74ff3298 | 546 | struct eth_addr hw_addr; |
9e1fd49b BP |
547 | char name[OFP_MAX_PORT_NAME_LEN]; |
548 | enum ofputil_port_config config; | |
549 | enum ofputil_port_state state; | |
550 | ||
551 | /* NETDEV_F_* feature bitmasks. */ | |
552 | enum netdev_features curr; /* Current features. */ | |
553 | enum netdev_features advertised; /* Features advertised by the port. */ | |
554 | enum netdev_features supported; /* Features supported by the port. */ | |
555 | enum netdev_features peer; /* Features advertised by peer. */ | |
556 | ||
557 | /* Speed. */ | |
558 | uint32_t curr_speed; /* Current speed, in kbps. */ | |
559 | uint32_t max_speed; /* Maximum supported speed, in kbps. */ | |
560 | }; | |
561 | ||
562 | enum ofputil_capabilities { | |
2e1ae200 | 563 | /* OpenFlow 1.0, 1.1, 1.2, and 1.3 share these capability values. */ |
9e1fd49b BP |
564 | OFPUTIL_C_FLOW_STATS = 1 << 0, /* Flow statistics. */ |
565 | OFPUTIL_C_TABLE_STATS = 1 << 1, /* Table statistics. */ | |
566 | OFPUTIL_C_PORT_STATS = 1 << 2, /* Port statistics. */ | |
567 | OFPUTIL_C_IP_REASM = 1 << 5, /* Can reassemble IP fragments. */ | |
568 | OFPUTIL_C_QUEUE_STATS = 1 << 6, /* Queue statistics. */ | |
60202987 SH |
569 | |
570 | /* OpenFlow 1.0 and 1.1 share this capability. */ | |
9e1fd49b BP |
571 | OFPUTIL_C_ARP_MATCH_IP = 1 << 7, /* Match IP addresses in ARP pkts. */ |
572 | ||
573 | /* OpenFlow 1.0 only. */ | |
574 | OFPUTIL_C_STP = 1 << 3, /* 802.1d spanning tree. */ | |
575 | ||
2e1ae200 | 576 | /* OpenFlow 1.1, 1.2, and 1.3 share this capability. */ |
9e1fd49b | 577 | OFPUTIL_C_GROUP_STATS = 1 << 4, /* Group statistics. */ |
60202987 | 578 | |
2e1ae200 | 579 | /* OpenFlow 1.2 and 1.3 share this capability */ |
60202987 | 580 | OFPUTIL_C_PORT_BLOCKED = 1 << 8, /* Switch will block looping ports */ |
9e1fd49b BP |
581 | }; |
582 | ||
9e1fd49b BP |
583 | /* Abstract ofp_switch_features. */ |
584 | struct ofputil_switch_features { | |
585 | uint64_t datapath_id; /* Datapath unique ID. */ | |
586 | uint32_t n_buffers; /* Max packets buffered at once. */ | |
587 | uint8_t n_tables; /* Number of tables supported by datapath. */ | |
2e1ae200 | 588 | uint8_t auxiliary_id; /* Identify auxiliary connections */ |
9e1fd49b | 589 | enum ofputil_capabilities capabilities; |
08d1e234 | 590 | uint64_t ofpacts; /* Bitmap of OFPACT_* bits. */ |
9e1fd49b BP |
591 | }; |
592 | ||
982697a4 | 593 | enum ofperr ofputil_decode_switch_features(const struct ofp_header *, |
9e1fd49b BP |
594 | struct ofputil_switch_features *, |
595 | struct ofpbuf *); | |
9e1fd49b BP |
596 | |
597 | struct ofpbuf *ofputil_encode_switch_features( | |
598 | const struct ofputil_switch_features *, enum ofputil_protocol, | |
599 | ovs_be32 xid); | |
600 | void ofputil_put_switch_features_port(const struct ofputil_phy_port *, | |
601 | struct ofpbuf *); | |
fca6d553 | 602 | bool ofputil_switch_features_has_ports(struct ofpbuf *b); |
9e1fd49b | 603 | |
2be393ed | 604 | /* phy_port helper functions. */ |
2e3fa633 | 605 | int ofputil_pull_phy_port(enum ofp_version ofp_version, struct ofpbuf *, |
2be393ed | 606 | struct ofputil_phy_port *); |
2be393ed | 607 | |
9e1fd49b BP |
608 | /* Abstract ofp_port_status. */ |
609 | struct ofputil_port_status { | |
610 | enum ofp_port_reason reason; | |
611 | struct ofputil_phy_port desc; | |
612 | }; | |
613 | ||
982697a4 | 614 | enum ofperr ofputil_decode_port_status(const struct ofp_header *, |
9e1fd49b BP |
615 | struct ofputil_port_status *); |
616 | struct ofpbuf *ofputil_encode_port_status(const struct ofputil_port_status *, | |
617 | enum ofputil_protocol); | |
618 | ||
619 | /* Abstract ofp_port_mod. */ | |
620 | struct ofputil_port_mod { | |
4e022ec0 | 621 | ofp_port_t port_no; |
74ff3298 | 622 | struct eth_addr hw_addr; |
9e1fd49b BP |
623 | enum ofputil_port_config config; |
624 | enum ofputil_port_config mask; | |
625 | enum netdev_features advertise; | |
626 | }; | |
627 | ||
628 | enum ofperr ofputil_decode_port_mod(const struct ofp_header *, | |
18cc69d9 | 629 | struct ofputil_port_mod *, bool loose); |
9e1fd49b BP |
630 | struct ofpbuf *ofputil_encode_port_mod(const struct ofputil_port_mod *, |
631 | enum ofputil_protocol); | |
6c038611 | 632 | |
3c1bb396 BP |
633 | /* Abstract version of OFPTC11_TABLE_MISS_*. |
634 | * | |
635 | * OpenFlow 1.0 always sends packets that miss to the next flow table, or to | |
636 | * the controller if they miss in the last flow table. | |
637 | * | |
638 | * OpenFlow 1.1 and 1.2 can configure table miss behavior via a "table-mod" | |
639 | * that specifies "send to controller", "miss", or "drop". | |
640 | * | |
641 | * OpenFlow 1.3 and later never sends packets that miss to the controller. | |
642 | */ | |
643 | enum ofputil_table_miss { | |
644 | /* Protocol-specific default behavior. On OpenFlow 1.0 through 1.2 | |
645 | * connections, the packet is sent to the controller, and on OpenFlow 1.3 | |
646 | * and later connections, the packet is dropped. | |
647 | * | |
648 | * This is also used as a result of decoding OpenFlow 1.3+ "config" values | |
649 | * in table-mods, to indicate that no table-miss was specified. */ | |
650 | OFPUTIL_TABLE_MISS_DEFAULT, /* Protocol default behavior. */ | |
651 | ||
652 | /* These constants have the same meanings as those in OpenFlow with the | |
653 | * same names. */ | |
654 | OFPUTIL_TABLE_MISS_CONTROLLER, /* Send to controller. */ | |
655 | OFPUTIL_TABLE_MISS_CONTINUE, /* Go to next table. */ | |
656 | OFPUTIL_TABLE_MISS_DROP, /* Drop the packet. */ | |
657 | }; | |
658 | ||
82c22d34 BP |
659 | /* Abstract version of OFPTC14_EVICTION. |
660 | * | |
661 | * OpenFlow 1.0 through 1.3 don't know anything about eviction, so decoding a | |
662 | * message for one of these protocols always yields | |
663 | * OFPUTIL_TABLE_EVICTION_DEFAULT. */ | |
664 | enum ofputil_table_eviction { | |
665 | OFPUTIL_TABLE_EVICTION_DEFAULT, /* No value. */ | |
666 | OFPUTIL_TABLE_EVICTION_ON, /* Enable eviction. */ | |
667 | OFPUTIL_TABLE_EVICTION_OFF /* Disable eviction. */ | |
668 | }; | |
3c1bb396 | 669 | |
de7d3c07 SJ |
670 | /* Abstract version of OFPTC14_VACANCY_EVENTS. |
671 | * | |
672 | * OpenFlow 1.0 through 1.3 don't know anything about vacancy events, so | |
673 | * decoding a message for one of these protocols always yields | |
674 | * OFPUTIL_TABLE_VACANCY_DEFAULT. */ | |
675 | enum ofputil_table_vacancy { | |
676 | OFPUTIL_TABLE_VACANCY_DEFAULT, /* No value. */ | |
677 | OFPUTIL_TABLE_VACANCY_ON, /* Enable vacancy events. */ | |
678 | OFPUTIL_TABLE_VACANCY_OFF /* Disable vacancy events. */ | |
679 | }; | |
680 | ||
681 | /* Abstract version of OFPTMPT_VACANCY. | |
682 | * | |
683 | * Openflow 1.4+ defines vacancy events. | |
684 | * The fields vacancy_down and vacancy_up are the threshold for generating | |
685 | * vacancy events that should be configured on the flow table, expressed as | |
686 | * a percent. | |
687 | * The vacancy field is only used when this property in included in a | |
688 | * OFPMP_TABLE_DESC multipart reply or a OFPT_TABLE_STATUS message and | |
689 | * represent the current vacancy of the table, expressed as a percent. In | |
690 | * OFP_TABLE_MOD requests, this field must be set to 0 */ | |
691 | struct ofputil_table_mod_prop_vacancy { | |
692 | uint8_t vacancy_down; /* Vacancy threshold when space decreases (%). */ | |
693 | uint8_t vacancy_up; /* Vacancy threshold when space increases (%). */ | |
694 | uint8_t vacancy; /* Current vacancy (%). */ | |
695 | }; | |
696 | ||
918f2b82 AZ |
697 | /* Abstract ofp_table_mod. */ |
698 | struct ofputil_table_mod { | |
699 | uint8_t table_id; /* ID of the table, 0xff indicates all tables. */ | |
82c22d34 BP |
700 | |
701 | /* OpenFlow 1.1 and 1.2 only. For other versions, ignored on encoding, | |
702 | * decoded to OFPUTIL_TABLE_MISS_DEFAULT. */ | |
703 | enum ofputil_table_miss miss; | |
704 | ||
705 | /* OpenFlow 1.4+ only. For other versions, ignored on encoding, decoded to | |
706 | * OFPUTIL_TABLE_EVICTION_DEFAULT. */ | |
707 | enum ofputil_table_eviction eviction; | |
708 | ||
709 | /* OpenFlow 1.4+ only and optional even there; UINT32_MAX indicates | |
710 | * absence. For other versions, ignored on encoding, decoded to | |
711 | * UINT32_MAX.*/ | |
712 | uint32_t eviction_flags; /* OFPTMPEF14_*. */ | |
de7d3c07 SJ |
713 | |
714 | /* OpenFlow 1.4+ only. For other versions, ignored on encoding, decoded to | |
715 | * OFPUTIL_TABLE_VACANCY_DEFAULT. */ | |
716 | enum ofputil_table_vacancy vacancy; | |
717 | ||
718 | /* Openflow 1.4+ only. Defines threshold values of vacancy expressed as | |
719 | * percent, value of current vacancy is set to zero for table-mod. | |
720 | * For other versions, ignored on encoding, all values decoded to | |
721 | * zero. */ | |
722 | struct ofputil_table_mod_prop_vacancy table_vacancy; | |
918f2b82 AZ |
723 | }; |
724 | ||
03c72922 BP |
725 | /* Abstract ofp14_table_desc. */ |
726 | struct ofputil_table_desc { | |
727 | uint8_t table_id; /* ID of the table. */ | |
728 | enum ofputil_table_eviction eviction; | |
729 | uint32_t eviction_flags; /* UINT32_MAX if not present. */ | |
de7d3c07 SJ |
730 | enum ofputil_table_vacancy vacancy; |
731 | struct ofputil_table_mod_prop_vacancy table_vacancy; | |
03c72922 BP |
732 | }; |
733 | ||
918f2b82 AZ |
734 | enum ofperr ofputil_decode_table_mod(const struct ofp_header *, |
735 | struct ofputil_table_mod *); | |
736 | struct ofpbuf *ofputil_encode_table_mod(const struct ofputil_table_mod *, | |
737 | enum ofputil_protocol); | |
738 | ||
82c22d34 BP |
739 | /* Abstract ofp_table_features. |
740 | * | |
741 | * This is used for all versions of OpenFlow, even though ofp_table_features | |
742 | * was only introduced in OpenFlow 1.3, because earlier versions of OpenFlow | |
743 | * include support for a subset of ofp_table_features through OFPST_TABLE (aka | |
744 | * OFPMP_TABLE). */ | |
5deff5aa AW |
745 | struct ofputil_table_features { |
746 | uint8_t table_id; /* Identifier of table. Lower numbered tables | |
747 | are consulted first. */ | |
748 | char name[OFP_MAX_TABLE_NAME_LEN]; | |
749 | ovs_be64 metadata_match; /* Bits of metadata table can match. */ | |
750 | ovs_be64 metadata_write; /* Bits of metadata table can write. */ | |
5deff5aa AW |
751 | uint32_t max_entries; /* Max number of entries supported. */ |
752 | ||
82c22d34 BP |
753 | /* Flags. |
754 | * | |
755 | * 'miss_config' is relevant for OpenFlow 1.1 and 1.2 only, because those | |
756 | * versions include OFPTC_MISS_* flags in OFPST_TABLE. For other versions, | |
757 | * it is decoded to OFPUTIL_TABLE_MISS_DEFAULT and ignored for encoding. | |
758 | * | |
759 | * 'supports_eviction' and 'supports_vacancy_events' are relevant only for | |
760 | * OpenFlow 1.4 and later only. For OF1.4, they are boolean: 1 if | |
761 | * supported, otherwise 0. For other versions, they are decoded as -1 and | |
762 | * ignored for encoding. | |
763 | * | |
764 | * See the section "OFPTC_* Table Configuration" in DESIGN.md for more | |
765 | * details of how OpenFlow has changed in this area. | |
766 | */ | |
767 | enum ofputil_table_miss miss_config; /* OF1.1 and 1.2 only. */ | |
768 | int supports_eviction; /* OF1.4+ only. */ | |
769 | int supports_vacancy_events; /* OF1.4+ only. */ | |
770 | ||
5deff5aa AW |
771 | /* Table features related to instructions. There are two instances: |
772 | * | |
773 | * - 'miss' reports features available in the table miss flow. | |
774 | * | |
775 | * - 'nonmiss' reports features available in other flows. */ | |
776 | struct ofputil_table_instruction_features { | |
777 | /* Tables that "goto-table" may jump to. */ | |
778 | unsigned long int next[BITMAP_N_LONGS(255)]; | |
779 | ||
780 | /* Bitmap of OVSINST_* for supported instructions. */ | |
781 | uint32_t instructions; | |
782 | ||
783 | /* Table features related to actions. There are two instances: | |
784 | * | |
785 | * - 'write' reports features available in a "write_actions" | |
786 | * instruction. | |
787 | * | |
788 | * - 'apply' reports features available in an "apply_actions" | |
789 | * instruction. */ | |
790 | struct ofputil_table_action_features { | |
08d1e234 | 791 | uint64_t ofpacts; /* Bitmap of supported OFPACT_*. */ |
abadfcb0 | 792 | struct mf_bitmap set_fields; /* Fields for "set-field". */ |
5deff5aa AW |
793 | } write, apply; |
794 | } nonmiss, miss; | |
795 | ||
796 | /* MFF_* bitmaps. | |
797 | * | |
798 | * For any given field the following combinations are valid: | |
799 | * | |
800 | * - match=0, wildcard=0, mask=0: Flows in this table cannot match on | |
801 | * this field. | |
802 | * | |
803 | * - match=1, wildcard=0, mask=0: Flows in this table must match on all | |
804 | * the bits in this field. | |
805 | * | |
806 | * - match=1, wildcard=1, mask=0: Flows in this table must either match | |
807 | * on all the bits in the field or wildcard the field entirely. | |
808 | * | |
809 | * - match=1, wildcard=1, mask=1: Flows in this table may arbitrarily | |
810 | * mask this field (as special cases, they may match on all the bits | |
811 | * or wildcard it entirely). | |
812 | * | |
813 | * Other combinations do not make sense. | |
814 | */ | |
abadfcb0 BP |
815 | struct mf_bitmap match; /* Fields that may be matched. */ |
816 | struct mf_bitmap mask; /* Subset of 'match' that may have masks. */ | |
817 | struct mf_bitmap wildcard; /* Subset of 'match' that may be wildcarded. */ | |
5deff5aa AW |
818 | }; |
819 | ||
820 | int ofputil_decode_table_features(struct ofpbuf *, | |
821 | struct ofputil_table_features *, bool loose); | |
03c72922 BP |
822 | |
823 | int ofputil_decode_table_desc(struct ofpbuf *, | |
824 | struct ofputil_table_desc *, | |
825 | enum ofp_version); | |
826 | ||
3c4e10fb BP |
827 | struct ofpbuf *ofputil_encode_table_features_request(enum ofp_version); |
828 | ||
03c72922 BP |
829 | struct ofpbuf *ofputil_encode_table_desc_request(enum ofp_version); |
830 | ||
5deff5aa | 831 | void ofputil_append_table_features_reply( |
ca6ba700 | 832 | const struct ofputil_table_features *tf, struct ovs_list *replies); |
5deff5aa | 833 | |
03c72922 BP |
834 | void ofputil_append_table_desc_reply(const struct ofputil_table_desc *td, |
835 | struct ovs_list *replies, | |
836 | enum ofp_version); | |
837 | ||
0445637d | 838 | /* Meter band configuration for all supported band types. */ |
638a19b0 JR |
839 | struct ofputil_meter_band { |
840 | uint16_t type; | |
0445637d | 841 | uint8_t prec_level; /* Non-zero if type == OFPMBT_DSCP_REMARK. */ |
638a19b0 JR |
842 | uint32_t rate; |
843 | uint32_t burst_size; | |
844 | }; | |
845 | ||
846 | struct ofputil_meter_band_stats { | |
847 | uint64_t packet_count; | |
848 | uint64_t byte_count; | |
849 | }; | |
850 | ||
851 | struct ofputil_meter_config { | |
852 | uint32_t meter_id; | |
853 | uint16_t flags; | |
854 | uint16_t n_bands; | |
855 | struct ofputil_meter_band *bands; | |
856 | }; | |
857 | ||
858 | /* Abstract ofp_meter_mod. */ | |
859 | struct ofputil_meter_mod { | |
860 | uint16_t command; | |
861 | struct ofputil_meter_config meter; | |
862 | }; | |
863 | ||
864 | struct ofputil_meter_stats { | |
865 | uint32_t meter_id; | |
866 | uint32_t flow_count; | |
867 | uint64_t packet_in_count; | |
868 | uint64_t byte_in_count; | |
869 | uint32_t duration_sec; | |
870 | uint32_t duration_nsec; | |
871 | uint16_t n_bands; | |
0445637d | 872 | struct ofputil_meter_band_stats *bands; |
638a19b0 JR |
873 | }; |
874 | ||
875 | struct ofputil_meter_features { | |
0445637d JR |
876 | uint32_t max_meters; /* Maximum number of meters. */ |
877 | uint32_t band_types; /* Can support max 32 band types. */ | |
878 | uint32_t capabilities; /* Supported flags. */ | |
638a19b0 JR |
879 | uint8_t max_bands; |
880 | uint8_t max_color; | |
881 | }; | |
882 | ||
883 | enum ofperr ofputil_decode_meter_mod(const struct ofp_header *, | |
884 | struct ofputil_meter_mod *, | |
0445637d JR |
885 | struct ofpbuf *bands); |
886 | struct ofpbuf *ofputil_encode_meter_mod(enum ofp_version, | |
638a19b0 JR |
887 | const struct ofputil_meter_mod *); |
888 | ||
889 | void ofputil_decode_meter_features(const struct ofp_header *, | |
890 | struct ofputil_meter_features *); | |
891 | struct ofpbuf *ofputil_encode_meter_features_reply(const struct | |
892 | ofputil_meter_features *, | |
893 | const struct ofp_header * | |
894 | request); | |
895 | void ofputil_decode_meter_request(const struct ofp_header *, | |
896 | uint32_t *meter_id); | |
897 | ||
ca6ba700 | 898 | void ofputil_append_meter_config(struct ovs_list *replies, |
0445637d | 899 | const struct ofputil_meter_config *); |
638a19b0 | 900 | |
ca6ba700 | 901 | void ofputil_append_meter_stats(struct ovs_list *replies, |
0445637d | 902 | const struct ofputil_meter_stats *); |
638a19b0 JR |
903 | |
904 | enum ofputil_meter_request_type { | |
905 | OFPUTIL_METER_FEATURES, | |
906 | OFPUTIL_METER_CONFIG, | |
907 | OFPUTIL_METER_STATS | |
908 | }; | |
909 | ||
910 | struct ofpbuf *ofputil_encode_meter_request(enum ofp_version, | |
911 | enum ofputil_meter_request_type, | |
912 | uint32_t meter_id); | |
913 | ||
0445637d JR |
914 | int ofputil_decode_meter_stats(struct ofpbuf *, |
915 | struct ofputil_meter_stats *, | |
638a19b0 JR |
916 | struct ofpbuf *bands); |
917 | ||
0445637d JR |
918 | int ofputil_decode_meter_config(struct ofpbuf *, |
919 | struct ofputil_meter_config *, | |
638a19b0 JR |
920 | struct ofpbuf *bands); |
921 | ||
0445637d | 922 | /* Type for meter_id in ofproto provider interface, UINT32_MAX if invalid. */ |
638a19b0 JR |
923 | typedef struct { uint32_t uint32; } ofproto_meter_id; |
924 | ||
6ea4776b JR |
925 | /* Abstract ofp_role_request and reply. */ |
926 | struct ofputil_role_request { | |
f4f1ea7e | 927 | enum ofp12_controller_role role; |
6ea4776b | 928 | bool have_generation_id; |
6ea4776b JR |
929 | uint64_t generation_id; |
930 | }; | |
931 | ||
00467f73 AC |
932 | struct ofputil_role_status { |
933 | enum ofp12_controller_role role; | |
934 | enum ofp14_controller_role_reason reason; | |
935 | uint64_t generation_id; | |
936 | }; | |
937 | ||
6ea4776b JR |
938 | enum ofperr ofputil_decode_role_message(const struct ofp_header *, |
939 | struct ofputil_role_request *); | |
940 | struct ofpbuf *ofputil_encode_role_reply(const struct ofp_header *, | |
f4f1ea7e | 941 | const struct ofputil_role_request *); |
6ea4776b | 942 | |
00467f73 AC |
943 | struct ofpbuf *ofputil_encode_role_status( |
944 | const struct ofputil_role_status *status, | |
945 | enum ofputil_protocol protocol); | |
946 | ||
947 | enum ofperr ofputil_decode_role_status(const struct ofp_header *oh, | |
948 | struct ofputil_role_status *rs); | |
08d1e234 | 949 | |
3c1bb396 BP |
950 | /* Abstract table stats. |
951 | * | |
952 | * This corresponds to the OpenFlow 1.3 table statistics structure, which only | |
953 | * includes actual statistics. In earlier versions of OpenFlow, several | |
954 | * members describe table features, so this structure has to be paired with | |
955 | * struct ofputil_table_features to get all information. */ | |
956 | struct ofputil_table_stats { | |
957 | uint8_t table_id; /* Identifier of table. */ | |
08d1e234 BP |
958 | uint32_t active_count; /* Number of active entries. */ |
959 | uint64_t lookup_count; /* Number of packets looked up in table. */ | |
960 | uint64_t matched_count; /* Number of packets that hit table. */ | |
961 | }; | |
307975da | 962 | |
3c1bb396 | 963 | struct ofpbuf *ofputil_encode_table_stats_reply(const struct ofp_header *rq); |
03c72922 BP |
964 | |
965 | struct ofpbuf *ofputil_encode_table_desc_reply(const struct ofp_header *rq); | |
966 | ||
3c1bb396 BP |
967 | void ofputil_append_table_stats_reply(struct ofpbuf *reply, |
968 | const struct ofputil_table_stats *, | |
969 | const struct ofputil_table_features *); | |
970 | ||
971 | int ofputil_decode_table_stats_reply(struct ofpbuf *reply, | |
972 | struct ofputil_table_stats *, | |
973 | struct ofputil_table_features *); | |
307975da | 974 | |
e8f9a7bb VG |
975 | /* Queue configuration request. */ |
976 | struct ofpbuf *ofputil_encode_queue_get_config_request(enum ofp_version, | |
e016fb63 BP |
977 | ofp_port_t port, |
978 | uint32_t queue); | |
e8f9a7bb | 979 | enum ofperr ofputil_decode_queue_get_config_request(const struct ofp_header *, |
e016fb63 BP |
980 | ofp_port_t *port, |
981 | uint32_t *queue); | |
e8f9a7bb VG |
982 | |
983 | /* Queue configuration reply. */ | |
984 | struct ofputil_queue_config { | |
56085be5 | 985 | ofp_port_t port; |
e016fb63 | 986 | uint32_t queue; |
e8f9a7bb VG |
987 | |
988 | /* Each of these optional values is expressed in tenths of a percent. | |
989 | * Values greater than 1000 indicate that the feature is disabled. | |
990 | * UINT16_MAX indicates that the value is omitted. */ | |
991 | uint16_t min_rate; | |
992 | uint16_t max_rate; | |
993 | }; | |
994 | ||
e016fb63 BP |
995 | void ofputil_start_queue_get_config_reply(const struct ofp_header *request, |
996 | struct ovs_list *replies); | |
e8f9a7bb | 997 | void ofputil_append_queue_get_config_reply( |
e016fb63 | 998 | const struct ofputil_queue_config *, struct ovs_list *replies); |
e8f9a7bb | 999 | |
e8f9a7bb VG |
1000 | int ofputil_pull_queue_get_config_reply(struct ofpbuf *reply, |
1001 | struct ofputil_queue_config *); | |
1002 | ||
1003 | ||
2b07c8b1 BP |
1004 | /* Abstract nx_flow_monitor_request. */ |
1005 | struct ofputil_flow_monitor_request { | |
1006 | uint32_t id; | |
1007 | enum nx_flow_monitor_flags flags; | |
4e022ec0 | 1008 | ofp_port_t out_port; |
2b07c8b1 | 1009 | uint8_t table_id; |
81a76618 | 1010 | struct match match; |
2b07c8b1 BP |
1011 | }; |
1012 | ||
1013 | int ofputil_decode_flow_monitor_request(struct ofputil_flow_monitor_request *, | |
1014 | struct ofpbuf *msg); | |
1015 | void ofputil_append_flow_monitor_request( | |
1016 | const struct ofputil_flow_monitor_request *, struct ofpbuf *msg); | |
1017 | ||
1018 | /* Abstract nx_flow_update. */ | |
1019 | struct ofputil_flow_update { | |
1020 | enum nx_flow_update_event event; | |
1021 | ||
1022 | /* Used only for NXFME_ADDED, NXFME_DELETED, NXFME_MODIFIED. */ | |
1023 | enum ofp_flow_removed_reason reason; | |
1024 | uint16_t idle_timeout; | |
1025 | uint16_t hard_timeout; | |
1026 | uint8_t table_id; | |
e0822031 | 1027 | uint16_t priority; |
2b07c8b1 | 1028 | ovs_be64 cookie; |
81a76618 | 1029 | struct match *match; |
dc723c44 | 1030 | const struct ofpact *ofpacts; |
2b07c8b1 BP |
1031 | size_t ofpacts_len; |
1032 | ||
1033 | /* Used only for NXFME_ABBREV. */ | |
1034 | ovs_be32 xid; | |
1035 | }; | |
1036 | ||
1037 | int ofputil_decode_flow_update(struct ofputil_flow_update *, | |
1038 | struct ofpbuf *msg, struct ofpbuf *ofpacts); | |
ca6ba700 | 1039 | void ofputil_start_flow_update(struct ovs_list *replies); |
2b07c8b1 | 1040 | void ofputil_append_flow_update(const struct ofputil_flow_update *, |
ca6ba700 | 1041 | struct ovs_list *replies); |
2b07c8b1 BP |
1042 | |
1043 | /* Abstract nx_flow_monitor_cancel. */ | |
1044 | uint32_t ofputil_decode_flow_monitor_cancel(const struct ofp_header *); | |
1045 | struct ofpbuf *ofputil_encode_flow_monitor_cancel(uint32_t id); | |
1046 | ||
70ae4f93 BP |
1047 | /* Port desc stats requests and replies. */ |
1048 | enum ofperr ofputil_decode_port_desc_stats_request(const struct ofp_header *, | |
1049 | ofp_port_t *portp); | |
1050 | struct ofpbuf *ofputil_encode_port_desc_stats_request( | |
1051 | enum ofp_version ofp_version, ofp_port_t); | |
1052 | ||
e28ac5cf | 1053 | void ofputil_append_port_desc_stats_reply(const struct ofputil_phy_port *pp, |
ca6ba700 | 1054 | struct ovs_list *replies); |
2be393ed | 1055 | |
982697a4 | 1056 | /* Encoding simple OpenFlow messages. */ |
1a126c0c | 1057 | struct ofpbuf *make_echo_request(enum ofp_version); |
fa37b408 | 1058 | struct ofpbuf *make_echo_reply(const struct ofp_header *rq); |
7257b535 | 1059 | |
a0ae0b6e | 1060 | struct ofpbuf *ofputil_encode_barrier_request(enum ofp_version); |
9aee0764 BP |
1061 | \f |
1062 | /* Actions. */ | |
1063 | ||
dbba996b | 1064 | bool action_outputs_to_port(const union ofp_action *, ovs_be16 port); |
3052b0c5 | 1065 | |
90bf1e07 BP |
1066 | enum ofperr ofputil_pull_actions(struct ofpbuf *, unsigned int actions_len, |
1067 | union ofp_action **, size_t *); | |
18ddadc2 BP |
1068 | |
1069 | bool ofputil_actions_equal(const union ofp_action *a, size_t n_a, | |
1070 | const union ofp_action *b, size_t n_b); | |
1071 | union ofp_action *ofputil_actions_clone(const union ofp_action *, size_t n); | |
26c112c2 | 1072 | |
0ff22822 BP |
1073 | /* Handy utility for parsing flows and actions. */ |
1074 | bool ofputil_parse_key_value(char **stringp, char **keyp, char **valuep); | |
1075 | ||
f8e4867e | 1076 | struct ofputil_port_stats { |
4e022ec0 | 1077 | ofp_port_t port_no; |
f8e4867e | 1078 | struct netdev_stats stats; |
65e0be10 BP |
1079 | uint32_t duration_sec; /* UINT32_MAX if unknown. */ |
1080 | uint32_t duration_nsec; | |
f8e4867e SH |
1081 | }; |
1082 | ||
1083 | struct ofpbuf *ofputil_encode_dump_ports_request(enum ofp_version ofp_version, | |
4e022ec0 | 1084 | ofp_port_t port); |
ca6ba700 | 1085 | void ofputil_append_port_stat(struct ovs_list *replies, |
f8e4867e SH |
1086 | const struct ofputil_port_stats *ops); |
1087 | size_t ofputil_count_port_stats(const struct ofp_header *); | |
1088 | int ofputil_decode_port_stats(struct ofputil_port_stats *, struct ofpbuf *msg); | |
1089 | enum ofperr ofputil_decode_port_stats_request(const struct ofp_header *request, | |
4e022ec0 | 1090 | ofp_port_t *ofp10_port); |
64626975 SH |
1091 | |
1092 | struct ofputil_queue_stats_request { | |
4e022ec0 | 1093 | ofp_port_t port_no; /* OFPP_ANY means "all ports". */ |
64626975 SH |
1094 | uint32_t queue_id; |
1095 | }; | |
1096 | ||
1097 | enum ofperr | |
1098 | ofputil_decode_queue_stats_request(const struct ofp_header *request, | |
1099 | struct ofputil_queue_stats_request *oqsr); | |
1100 | struct ofpbuf * | |
1101 | ofputil_encode_queue_stats_request(enum ofp_version ofp_version, | |
1102 | const struct ofputil_queue_stats_request *oqsr); | |
1103 | ||
1104 | struct ofputil_queue_stats { | |
4e022ec0 | 1105 | ofp_port_t port_no; |
64626975 | 1106 | uint32_t queue_id; |
6dc34a0d BP |
1107 | |
1108 | /* Values of unsupported statistics are set to all-1-bits (UINT64_MAX). */ | |
1109 | uint64_t tx_bytes; | |
1110 | uint64_t tx_packets; | |
1111 | uint64_t tx_errors; | |
1112 | ||
1113 | /* UINT32_MAX if unknown. */ | |
1114 | uint32_t duration_sec; | |
1115 | uint32_t duration_nsec; | |
64626975 SH |
1116 | }; |
1117 | ||
1118 | size_t ofputil_count_queue_stats(const struct ofp_header *); | |
1119 | int ofputil_decode_queue_stats(struct ofputil_queue_stats *qs, struct ofpbuf *msg); | |
ca6ba700 | 1120 | void ofputil_append_queue_stat(struct ovs_list *replies, |
64626975 SH |
1121 | const struct ofputil_queue_stats *oqs); |
1122 | ||
1e684d7d RW |
1123 | struct bucket_counter { |
1124 | uint64_t packet_count; /* Number of packets processed by bucket. */ | |
1125 | uint64_t byte_count; /* Number of bytes processed by bucket. */ | |
1126 | }; | |
1127 | ||
7395c052 NZ |
1128 | /* Bucket for use in groups. */ |
1129 | struct ofputil_bucket { | |
ca6ba700 | 1130 | struct ovs_list list_node; |
7395c052 NZ |
1131 | uint16_t weight; /* Relative weight, for "select" groups. */ |
1132 | ofp_port_t watch_port; /* Port whose state affects whether this bucket | |
1133 | * is live. Only required for fast failover | |
1134 | * groups. */ | |
1135 | uint32_t watch_group; /* Group whose state affects whether this | |
1136 | * bucket is live. Only required for fast | |
1137 | * failover groups. */ | |
18ac06d3 | 1138 | uint32_t bucket_id; /* Bucket Id used to identify bucket*/ |
7395c052 NZ |
1139 | struct ofpact *ofpacts; /* Series of "struct ofpact"s. */ |
1140 | size_t ofpacts_len; /* Length of ofpacts, in bytes. */ | |
1e684d7d RW |
1141 | |
1142 | struct bucket_counter stats; | |
7395c052 NZ |
1143 | }; |
1144 | ||
bc65c25a SH |
1145 | /* Protocol-independent group_mod. */ |
1146 | struct ofputil_group_props { | |
1147 | /* NTR selection method */ | |
1148 | char selection_method[NTR_MAX_SELECTION_METHOD_LEN]; | |
1149 | uint64_t selection_method_param; | |
1150 | struct field_array fields; | |
1151 | }; | |
1152 | ||
7395c052 NZ |
1153 | /* Protocol-independent group_mod. */ |
1154 | struct ofputil_group_mod { | |
18ac06d3 | 1155 | uint16_t command; /* One of OFPGC15_*. */ |
7395c052 NZ |
1156 | uint8_t type; /* One of OFPGT11_*. */ |
1157 | uint32_t group_id; /* Group identifier. */ | |
18ac06d3 SH |
1158 | uint32_t command_bucket_id; /* Bucket Id used as part of |
1159 | * OFPGC15_INSERT_BUCKET and | |
1160 | * OFPGC15_REMOVE_BUCKET commands | |
1161 | * execution.*/ | |
ca6ba700 | 1162 | struct ovs_list buckets; /* Contains "struct ofputil_bucket"s. */ |
bc65c25a | 1163 | struct ofputil_group_props props; /* Group properties. */ |
7395c052 NZ |
1164 | }; |
1165 | ||
7395c052 NZ |
1166 | /* Group stats reply, independent of protocol. */ |
1167 | struct ofputil_group_stats { | |
1168 | uint32_t group_id; /* Group identifier. */ | |
1169 | uint32_t ref_count; | |
1170 | uint64_t packet_count; /* Packet count, UINT64_MAX if unknown. */ | |
1171 | uint64_t byte_count; /* Byte count, UINT64_MAX if unknown. */ | |
1172 | uint32_t duration_sec; /* UINT32_MAX if unknown. */ | |
1173 | uint32_t duration_nsec; | |
1174 | uint32_t n_buckets; | |
646b2a9c | 1175 | struct bucket_counter *bucket_stats; |
7395c052 NZ |
1176 | }; |
1177 | ||
f0e7025f BP |
1178 | /* Group features reply, independent of protocol. |
1179 | * | |
1180 | * Only OF1.2 and later support group features replies. */ | |
7395c052 NZ |
1181 | struct ofputil_group_features { |
1182 | uint32_t types; /* Bitmap of OFPGT_* values supported. */ | |
1183 | uint32_t capabilities; /* Bitmap of OFPGFC12_* capability supported. */ | |
1184 | uint32_t max_groups[4]; /* Maximum number of groups for each type. */ | |
08d1e234 | 1185 | uint64_t ofpacts[4]; /* Bitmaps of supported OFPACT_* */ |
7395c052 NZ |
1186 | }; |
1187 | ||
1188 | /* Group desc reply, independent of protocol. */ | |
1189 | struct ofputil_group_desc { | |
1190 | uint8_t type; /* One of OFPGT_*. */ | |
1191 | uint32_t group_id; /* Group identifier. */ | |
ca6ba700 | 1192 | struct ovs_list buckets; /* Contains "struct ofputil_bucket"s. */ |
bc65c25a | 1193 | struct ofputil_group_props props; /* Group properties. */ |
7395c052 NZ |
1194 | }; |
1195 | ||
ca6ba700 TG |
1196 | void ofputil_bucket_list_destroy(struct ovs_list *buckets); |
1197 | void ofputil_bucket_clone_list(struct ovs_list *dest, | |
1198 | const struct ovs_list *src, | |
103b4866 | 1199 | const struct ofputil_bucket *); |
ca6ba700 | 1200 | struct ofputil_bucket *ofputil_bucket_find(const struct ovs_list *, |
103b4866 | 1201 | uint32_t bucket_id); |
ca6ba700 TG |
1202 | bool ofputil_bucket_check_duplicate_id(const struct ovs_list *); |
1203 | struct ofputil_bucket *ofputil_bucket_list_front(const struct ovs_list *); | |
1204 | struct ofputil_bucket *ofputil_bucket_list_back(const struct ovs_list *); | |
7395c052 | 1205 | |
e57681e5 SH |
1206 | static inline bool |
1207 | ofputil_bucket_has_liveness(const struct ofputil_bucket *bucket) | |
1208 | { | |
1209 | return (bucket->watch_port != OFPP_ANY || | |
1210 | bucket->watch_group != OFPG_ANY); | |
1211 | } | |
1212 | ||
7395c052 NZ |
1213 | struct ofpbuf *ofputil_encode_group_stats_request(enum ofp_version, |
1214 | uint32_t group_id); | |
1215 | enum ofperr ofputil_decode_group_stats_request( | |
1216 | const struct ofp_header *request, uint32_t *group_id); | |
ca6ba700 | 1217 | void ofputil_append_group_stats(struct ovs_list *replies, |
7395c052 NZ |
1218 | const struct ofputil_group_stats *); |
1219 | struct ofpbuf *ofputil_encode_group_features_request(enum ofp_version); | |
1220 | struct ofpbuf *ofputil_encode_group_features_reply( | |
1221 | const struct ofputil_group_features *, const struct ofp_header *request); | |
1222 | void ofputil_decode_group_features_reply(const struct ofp_header *, | |
1223 | struct ofputil_group_features *); | |
bc65c25a | 1224 | void ofputil_uninit_group_mod(struct ofputil_group_mod *gm); |
7395c052 NZ |
1225 | struct ofpbuf *ofputil_encode_group_mod(enum ofp_version ofp_version, |
1226 | const struct ofputil_group_mod *gm); | |
1227 | ||
1228 | enum ofperr ofputil_decode_group_mod(const struct ofp_header *, | |
1229 | struct ofputil_group_mod *); | |
1230 | ||
1231 | int ofputil_decode_group_stats_reply(struct ofpbuf *, | |
1232 | struct ofputil_group_stats *); | |
1233 | ||
bc65c25a | 1234 | void ofputil_uninit_group_desc(struct ofputil_group_desc *gd); |
19187a71 BP |
1235 | uint32_t ofputil_decode_group_desc_request(const struct ofp_header *); |
1236 | struct ofpbuf *ofputil_encode_group_desc_request(enum ofp_version, | |
1237 | uint32_t group_id); | |
1238 | ||
7395c052 | 1239 | int ofputil_decode_group_desc_reply(struct ofputil_group_desc *, |
a7a2d006 | 1240 | struct ofpbuf *, enum ofp_version); |
7395c052 NZ |
1241 | |
1242 | void ofputil_append_group_desc_reply(const struct ofputil_group_desc *, | |
1667bb34 | 1243 | const struct ovs_list *buckets, |
ca6ba700 | 1244 | struct ovs_list *replies); |
7395c052 | 1245 | |
777af88d AC |
1246 | struct ofputil_bundle_ctrl_msg { |
1247 | uint32_t bundle_id; | |
1248 | uint16_t type; | |
1249 | uint16_t flags; | |
1250 | }; | |
1251 | ||
1252 | struct ofputil_bundle_add_msg { | |
1253 | uint32_t bundle_id; | |
1254 | uint16_t flags; | |
1255 | const struct ofp_header *msg; | |
1256 | }; | |
1257 | ||
7ac27a04 JR |
1258 | enum ofptype; |
1259 | ||
777af88d AC |
1260 | enum ofperr ofputil_decode_bundle_ctrl(const struct ofp_header *, |
1261 | struct ofputil_bundle_ctrl_msg *); | |
1262 | ||
db5076ee JR |
1263 | struct ofpbuf *ofputil_encode_bundle_ctrl_request(enum ofp_version, |
1264 | struct ofputil_bundle_ctrl_msg *); | |
777af88d AC |
1265 | struct ofpbuf *ofputil_encode_bundle_ctrl_reply(const struct ofp_header *, |
1266 | struct ofputil_bundle_ctrl_msg *); | |
1267 | ||
1268 | struct ofpbuf *ofputil_encode_bundle_add(enum ofp_version ofp_version, | |
1269 | struct ofputil_bundle_add_msg *msg); | |
1270 | ||
1271 | enum ofperr ofputil_decode_bundle_add(const struct ofp_header *, | |
7ac27a04 JR |
1272 | struct ofputil_bundle_add_msg *, |
1273 | enum ofptype *type); | |
6159c531 | 1274 | |
4e548ad9 | 1275 | struct ofputil_tlv_map { |
6159c531 JG |
1276 | struct ovs_list list_node; |
1277 | ||
1278 | uint16_t option_class; | |
1279 | uint8_t option_type; | |
1280 | uint8_t option_len; | |
1281 | uint16_t index; | |
1282 | }; | |
1283 | ||
4e548ad9 | 1284 | struct ofputil_tlv_table_mod { |
6159c531 | 1285 | uint16_t command; |
4e548ad9 | 1286 | struct ovs_list mappings; /* Contains "struct ofputil_tlv_map"s. */ |
6159c531 JG |
1287 | }; |
1288 | ||
4e548ad9 | 1289 | struct ofputil_tlv_table_reply { |
6159c531 JG |
1290 | uint32_t max_option_space; |
1291 | uint16_t max_fields; | |
4e548ad9 | 1292 | struct ovs_list mappings; /* Contains "struct ofputil_tlv_map"s. */ |
6159c531 JG |
1293 | }; |
1294 | ||
4e548ad9 ML |
1295 | struct ofpbuf *ofputil_encode_tlv_table_mod(enum ofp_version ofp_version, |
1296 | struct ofputil_tlv_table_mod *); | |
1297 | enum ofperr ofputil_decode_tlv_table_mod(const struct ofp_header *, | |
1298 | struct ofputil_tlv_table_mod *); | |
1299 | struct ofpbuf *ofputil_encode_tlv_table_reply(const struct ofp_header *, | |
1300 | struct ofputil_tlv_table_reply *); | |
1301 | enum ofperr ofputil_decode_tlv_table_reply(const struct ofp_header *, | |
1302 | struct ofputil_tlv_table_reply *); | |
1303 | void ofputil_uninit_tlv_table(struct ovs_list *mappings); | |
6159c531 | 1304 | |
98090482 | 1305 | enum ofputil_async_msg_type { |
af7bc161 | 1306 | /* Standard asynchronous messages. */ |
98090482 NR |
1307 | OAM_PACKET_IN, /* OFPT_PACKET_IN or NXT_PACKET_IN. */ |
1308 | OAM_PORT_STATUS, /* OFPT_PORT_STATUS. */ | |
0b9af7cb | 1309 | OAM_FLOW_REMOVED, /* OFPT_FLOW_REMOVED or NXT_FLOW_REMOVED. */ |
98090482 NR |
1310 | OAM_ROLE_STATUS, /* OFPT_ROLE_STATUS. */ |
1311 | OAM_TABLE_STATUS, /* OFPT_TABLE_STATUS. */ | |
1312 | OAM_REQUESTFORWARD, /* OFPT_REQUESTFORWARD. */ | |
af7bc161 BP |
1313 | |
1314 | /* Extension asynchronous messages (none yet--coming soon!). */ | |
1315 | #define OAM_EXTENSIONS 0 /* Bitmap of all extensions. */ | |
1316 | ||
98090482 NR |
1317 | OAM_N_TYPES |
1318 | }; | |
2da7974c | 1319 | const char *ofputil_async_msg_type_to_string(enum ofputil_async_msg_type); |
98090482 | 1320 | |
a930d4c5 BP |
1321 | struct ofputil_async_cfg { |
1322 | uint32_t master[OAM_N_TYPES]; | |
1323 | uint32_t slave[OAM_N_TYPES]; | |
1324 | }; | |
1325 | #define OFPUTIL_ASYNC_CFG_INIT (struct ofputil_async_cfg) { .master[0] = 0 } | |
1326 | ||
98090482 | 1327 | enum ofperr ofputil_decode_set_async_config(const struct ofp_header *, |
a930d4c5 | 1328 | bool loose, |
5876b4db | 1329 | const struct ofputil_async_cfg *, |
a930d4c5 BP |
1330 | struct ofputil_async_cfg *); |
1331 | ||
af7bc161 | 1332 | struct ofpbuf *ofputil_encode_get_async_reply( |
a930d4c5 | 1333 | const struct ofp_header *, const struct ofputil_async_cfg *); |
af7bc161 BP |
1334 | struct ofpbuf *ofputil_encode_set_async_config( |
1335 | const struct ofputil_async_cfg *, uint32_t oams, enum ofp_version); | |
98090482 | 1336 | |
a930d4c5 | 1337 | struct ofputil_async_cfg ofputil_async_cfg_default(enum ofp_version); |
98090482 | 1338 | |
3c35db62 NR |
1339 | struct ofputil_requestforward { |
1340 | ovs_be32 xid; | |
1341 | enum ofp14_requestforward_reason reason; | |
1342 | union { | |
1343 | /* reason == OFPRFR_METER_MOD. */ | |
3c35db62 | 1344 | struct { |
eaa0e88b | 1345 | struct ofputil_meter_mod *meter_mod; |
3c35db62 NR |
1346 | struct ofpbuf bands; |
1347 | }; | |
eaa0e88b BP |
1348 | |
1349 | /* reason == OFPRFR_GROUP_MOD. */ | |
1350 | struct ofputil_group_mod *group_mod; | |
3c35db62 NR |
1351 | }; |
1352 | }; | |
1353 | ||
1354 | struct ofpbuf *ofputil_encode_requestforward( | |
1355 | const struct ofputil_requestforward *, enum ofputil_protocol); | |
1356 | enum ofperr ofputil_decode_requestforward(const struct ofp_header *, | |
1357 | struct ofputil_requestforward *); | |
1358 | void ofputil_destroy_requestforward(struct ofputil_requestforward *); | |
1359 | ||
fa37b408 | 1360 | #endif /* ofp-util.h */ |