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0d71302e BP |
1 | /* |
2 | * Copyright (c) 2008-2017 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 | #include <config.h> | |
18 | #include "openvswitch/ofp-port.h" | |
dfc77282 | 19 | #include <ctype.h> |
0d71302e BP |
20 | #include "byte-order.h" |
21 | #include "flow.h" | |
22 | #include "openflow/intel-ext.h" | |
23 | #include "openvswitch/json.h" | |
24 | #include "openvswitch/ofp-errors.h" | |
25 | #include "openvswitch/ofp-msgs.h" | |
dfc77282 | 26 | #include "openvswitch/ofp-print.h" |
0d71302e BP |
27 | #include "openvswitch/ofp-prop.h" |
28 | #include "openvswitch/ofpbuf.h" | |
29 | #include "openvswitch/vlog.h" | |
30 | ||
31 | VLOG_DEFINE_THIS_MODULE(ofp_port); | |
32 | ||
33 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); | |
34 | ||
35 | /* ofputil_port_map. */ | |
36 | ||
37 | void | |
38 | ofputil_port_map_init(struct ofputil_port_map *map) | |
39 | { | |
40 | namemap_init(&map->map); | |
41 | } | |
42 | ||
43 | void | |
44 | ofputil_port_map_put(struct ofputil_port_map *map, | |
45 | ofp_port_t ofp_port, const char *name) | |
46 | { | |
47 | namemap_put(&map->map, ofp_to_u16(ofp_port), name); | |
48 | } | |
49 | ||
50 | const char * | |
51 | ofputil_port_map_get_name(const struct ofputil_port_map *map, | |
52 | ofp_port_t ofp_port) | |
53 | { | |
54 | struct namemap_node *node | |
55 | = (map | |
56 | ? namemap_find_by_number(&map->map, ofp_to_u16(ofp_port)) | |
57 | : NULL); | |
58 | return node && !node->duplicate ? node->name : NULL; | |
59 | } | |
60 | ||
61 | ofp_port_t | |
62 | ofputil_port_map_get_number(const struct ofputil_port_map *map, | |
63 | const char *name) | |
64 | { | |
65 | struct namemap_node *node | |
66 | = map ? namemap_find_by_name(&map->map, name) : NULL; | |
67 | return node && !node->duplicate ? u16_to_ofp(node->number) : OFPP_NONE; | |
68 | } | |
69 | ||
70 | void | |
71 | ofputil_port_map_destroy(struct ofputil_port_map *map) | |
72 | { | |
73 | namemap_destroy(&map->map); | |
74 | } | |
75 | \f | |
76 | /* Converts the OpenFlow 1.1+ port number 'ofp11_port' into an OpenFlow 1.0 | |
77 | * port number and stores the latter in '*ofp10_port', for the purpose of | |
78 | * decoding OpenFlow 1.1+ protocol messages. Returns 0 if successful, | |
79 | * otherwise an OFPERR_* number. On error, stores OFPP_NONE in '*ofp10_port'. | |
80 | * | |
81 | * See the definition of OFP11_MAX for an explanation of the mapping. */ | |
82 | enum ofperr | |
83 | ofputil_port_from_ofp11(ovs_be32 ofp11_port, ofp_port_t *ofp10_port) | |
84 | { | |
85 | uint32_t ofp11_port_h = ntohl(ofp11_port); | |
86 | ||
87 | if (ofp11_port_h < ofp_to_u16(OFPP_MAX)) { | |
88 | *ofp10_port = u16_to_ofp(ofp11_port_h); | |
89 | return 0; | |
90 | } else if (ofp11_port_h >= ofp11_to_u32(OFPP11_MAX)) { | |
91 | *ofp10_port = u16_to_ofp(ofp11_port_h - OFPP11_OFFSET); | |
92 | return 0; | |
93 | } else { | |
94 | *ofp10_port = OFPP_NONE; | |
95 | ||
7ed58d4a JP |
96 | static struct vlog_rate_limit rll = VLOG_RATE_LIMIT_INIT(1, 5); |
97 | VLOG_WARN_RL(&rll, "port %"PRIu32" is outside the supported " | |
0d71302e BP |
98 | "range 0 through %d or 0x%"PRIx32" through 0x%"PRIx32, |
99 | ofp11_port_h, ofp_to_u16(OFPP_MAX) - 1, | |
100 | ofp11_to_u32(OFPP11_MAX), UINT32_MAX); | |
101 | ||
102 | return OFPERR_OFPBAC_BAD_OUT_PORT; | |
103 | } | |
104 | } | |
105 | ||
106 | /* Returns the OpenFlow 1.1+ port number equivalent to the OpenFlow 1.0 port | |
107 | * number 'ofp10_port', for encoding OpenFlow 1.1+ protocol messages. | |
108 | * | |
109 | * See the definition of OFP11_MAX for an explanation of the mapping. */ | |
110 | ovs_be32 | |
111 | ofputil_port_to_ofp11(ofp_port_t ofp10_port) | |
112 | { | |
113 | return htonl(ofp_to_u16(ofp10_port) < ofp_to_u16(OFPP_MAX) | |
114 | ? ofp_to_u16(ofp10_port) | |
115 | : ofp_to_u16(ofp10_port) + OFPP11_OFFSET); | |
116 | } | |
117 | ||
118 | #define OFPUTIL_NAMED_PORTS \ | |
119 | OFPUTIL_NAMED_PORT(IN_PORT) \ | |
120 | OFPUTIL_NAMED_PORT(TABLE) \ | |
121 | OFPUTIL_NAMED_PORT(NORMAL) \ | |
122 | OFPUTIL_NAMED_PORT(FLOOD) \ | |
123 | OFPUTIL_NAMED_PORT(ALL) \ | |
124 | OFPUTIL_NAMED_PORT(CONTROLLER) \ | |
125 | OFPUTIL_NAMED_PORT(LOCAL) \ | |
126 | OFPUTIL_NAMED_PORT(ANY) \ | |
127 | OFPUTIL_NAMED_PORT(UNSET) | |
128 | ||
129 | /* For backwards compatibility, so that "none" is recognized as OFPP_ANY */ | |
130 | #define OFPUTIL_NAMED_PORTS_WITH_NONE \ | |
131 | OFPUTIL_NAMED_PORTS \ | |
132 | OFPUTIL_NAMED_PORT(NONE) | |
133 | ||
134 | /* Stores the port number represented by 's' into '*portp'. 's' may be an | |
135 | * integer or, for reserved ports, the standard OpenFlow name for the port | |
136 | * (e.g. "LOCAL"). If 'port_map' is nonnull, also accepts names in it (quoted | |
137 | * or unquoted). | |
138 | * | |
139 | * Returns true if successful, false if 's' is not a valid OpenFlow port number | |
140 | * or name. The caller should issue an error message in this case, because | |
141 | * this function usually does not. (This gives the caller an opportunity to | |
142 | * look up the port name another way, e.g. by contacting the switch and listing | |
143 | * the names of all its ports). | |
144 | * | |
145 | * This function accepts OpenFlow 1.0 port numbers. It also accepts a subset | |
146 | * of OpenFlow 1.1+ port numbers, mapping those port numbers into the 16-bit | |
147 | * range as described in include/openflow/openflow-1.1.h. */ | |
148 | bool | |
149 | ofputil_port_from_string(const char *s, | |
150 | const struct ofputil_port_map *port_map, | |
151 | ofp_port_t *portp) | |
152 | { | |
153 | unsigned int port32; /* int is at least 32 bits wide. */ | |
154 | ||
155 | if (*s == '-') { | |
156 | VLOG_WARN("Negative value %s is not a valid port number.", s); | |
157 | return false; | |
158 | } | |
159 | *portp = 0; | |
160 | if (str_to_uint(s, 10, &port32)) { | |
161 | if (port32 < ofp_to_u16(OFPP_MAX)) { | |
162 | /* Pass. */ | |
163 | } else if (port32 < ofp_to_u16(OFPP_FIRST_RESV)) { | |
164 | VLOG_WARN("port %u is a reserved OF1.0 port number that will " | |
165 | "be translated to %u when talking to an OF1.1 or " | |
166 | "later controller", port32, port32 + OFPP11_OFFSET); | |
167 | } else if (port32 <= ofp_to_u16(OFPP_LAST_RESV)) { | |
168 | char name[OFP10_MAX_PORT_NAME_LEN]; | |
169 | ||
170 | ofputil_port_to_string(u16_to_ofp(port32), NULL, | |
171 | name, sizeof name); | |
172 | VLOG_WARN_ONCE("referring to port %s as %"PRIu32" is deprecated " | |
173 | "for compatibility with OpenFlow 1.1 and later", | |
174 | name, port32); | |
175 | } else if (port32 < ofp11_to_u32(OFPP11_MAX)) { | |
176 | VLOG_WARN("port %u is outside the supported range 0 through " | |
177 | "%x or 0x%x through 0x%"PRIx32, port32, | |
178 | UINT16_MAX, ofp11_to_u32(OFPP11_MAX), UINT32_MAX); | |
179 | return false; | |
180 | } else { | |
181 | port32 -= OFPP11_OFFSET; | |
182 | } | |
183 | ||
184 | *portp = u16_to_ofp(port32); | |
185 | return true; | |
186 | } else { | |
187 | struct pair { | |
188 | const char *name; | |
189 | ofp_port_t value; | |
190 | }; | |
191 | static const struct pair pairs[] = { | |
192 | #define OFPUTIL_NAMED_PORT(NAME) {#NAME, OFPP_##NAME}, | |
193 | OFPUTIL_NAMED_PORTS_WITH_NONE | |
194 | #undef OFPUTIL_NAMED_PORT | |
195 | }; | |
196 | const struct pair *p; | |
197 | ||
198 | for (p = pairs; p < &pairs[ARRAY_SIZE(pairs)]; p++) { | |
199 | if (!strcasecmp(s, p->name)) { | |
200 | *portp = p->value; | |
201 | return true; | |
202 | } | |
203 | } | |
204 | ||
205 | ofp_port_t ofp_port = OFPP_NONE; | |
206 | if (s[0] != '"') { | |
207 | ofp_port = ofputil_port_map_get_number(port_map, s); | |
208 | } else { | |
209 | size_t length = strlen(s); | |
210 | char *name = NULL; | |
211 | if (length > 1 | |
212 | && s[length - 1] == '"' | |
213 | && json_string_unescape(s + 1, length - 2, &name)) { | |
214 | ofp_port = ofputil_port_map_get_number(port_map, name); | |
215 | } | |
216 | free(name); | |
217 | } | |
218 | if (ofp_port != OFPP_NONE) { | |
219 | *portp = ofp_port; | |
220 | return true; | |
221 | } | |
222 | ||
223 | return false; | |
224 | } | |
225 | } | |
226 | ||
227 | const char * | |
228 | ofputil_port_get_reserved_name(ofp_port_t port) | |
229 | { | |
230 | switch (port) { | |
231 | #define OFPUTIL_NAMED_PORT(NAME) case OFPP_##NAME: return #NAME; | |
232 | OFPUTIL_NAMED_PORTS | |
233 | #undef OFPUTIL_NAMED_PORT | |
234 | ||
235 | default: | |
236 | return NULL; | |
237 | } | |
238 | } | |
239 | ||
240 | /* Appends to 's' a string representation of the OpenFlow port number 'port'. | |
241 | * Most ports' string representation is just the port number, but for special | |
242 | * ports, e.g. OFPP_LOCAL, it is the name, e.g. "LOCAL". */ | |
243 | void | |
244 | ofputil_format_port(ofp_port_t port, const struct ofputil_port_map *port_map, | |
245 | struct ds *s) | |
246 | { | |
247 | const char *reserved_name = ofputil_port_get_reserved_name(port); | |
248 | if (reserved_name) { | |
249 | ds_put_cstr(s, reserved_name); | |
250 | return; | |
251 | } | |
252 | ||
253 | const char *port_name = ofputil_port_map_get_name(port_map, port); | |
254 | if (port_name) { | |
255 | namemap_put_name(port_name, s); | |
256 | return; | |
257 | } | |
258 | ||
259 | ds_put_format(s, "%"PRIu32, port); | |
260 | } | |
261 | ||
262 | /* Puts in the 'bufsize' byte in 'namebuf' a null-terminated string | |
263 | * representation of OpenFlow port number 'port'. Most ports are represented | |
264 | * as just the port number, but special ports, e.g. OFPP_LOCAL, are represented | |
265 | * by name, e.g. "LOCAL". */ | |
266 | void | |
267 | ofputil_port_to_string(ofp_port_t port, | |
268 | const struct ofputil_port_map *port_map, | |
269 | char *namebuf, size_t bufsize) | |
270 | { | |
271 | const char *reserved_name = ofputil_port_get_reserved_name(port); | |
272 | if (reserved_name) { | |
273 | ovs_strlcpy(namebuf, reserved_name, bufsize); | |
274 | return; | |
275 | } | |
276 | ||
277 | const char *port_name = ofputil_port_map_get_name(port_map, port); | |
278 | if (port_name) { | |
279 | struct ds s = DS_EMPTY_INITIALIZER; | |
280 | namemap_put_name(port_name, &s); | |
281 | ovs_strlcpy(namebuf, ds_cstr(&s), bufsize); | |
282 | ds_destroy(&s); | |
283 | return; | |
284 | } | |
285 | ||
286 | snprintf(namebuf, bufsize, "%"PRIu32, port); | |
287 | } | |
288 | \f | |
dfc77282 BP |
289 | /* ofputil_port_config */ |
290 | ||
291 | static const char * | |
292 | ofputil_port_config_to_name(uint32_t bit) | |
293 | { | |
294 | enum ofputil_port_config pc = bit; | |
295 | ||
296 | switch (pc) { | |
297 | case OFPUTIL_PC_PORT_DOWN: return "PORT_DOWN"; | |
298 | case OFPUTIL_PC_NO_STP: return "NO_STP"; | |
299 | case OFPUTIL_PC_NO_RECV: return "NO_RECV"; | |
300 | case OFPUTIL_PC_NO_RECV_STP: return "NO_RECV_STP"; | |
301 | case OFPUTIL_PC_NO_FLOOD: return "NO_FLOOD"; | |
302 | case OFPUTIL_PC_NO_FWD: return "NO_FWD"; | |
303 | case OFPUTIL_PC_NO_PACKET_IN: return "NO_PACKET_IN"; | |
304 | } | |
305 | ||
306 | return NULL; | |
307 | } | |
308 | ||
309 | void | |
310 | ofputil_port_config_format(struct ds *s, enum ofputil_port_config config) | |
311 | { | |
312 | ofp_print_bit_names(s, config, ofputil_port_config_to_name, ' '); | |
313 | ds_put_char(s, '\n'); | |
314 | } | |
315 | \f | |
316 | /* ofputil_port_state */ | |
317 | ||
318 | static const char * | |
319 | ofputil_port_state_to_name(uint32_t bit) | |
320 | { | |
321 | enum ofputil_port_state ps = bit; | |
322 | ||
323 | switch (ps) { | |
324 | case OFPUTIL_PS_LINK_DOWN: return "LINK_DOWN"; | |
325 | case OFPUTIL_PS_BLOCKED: return "BLOCKED"; | |
326 | case OFPUTIL_PS_LIVE: return "LIVE"; | |
327 | ||
328 | case OFPUTIL_PS_STP_LISTEN: | |
329 | case OFPUTIL_PS_STP_LEARN: | |
330 | case OFPUTIL_PS_STP_FORWARD: | |
331 | case OFPUTIL_PS_STP_BLOCK: | |
332 | /* Handled elsewhere. */ | |
333 | return NULL; | |
334 | } | |
335 | ||
336 | return NULL; | |
337 | } | |
338 | ||
339 | void | |
340 | ofputil_port_state_format(struct ds *s, enum ofputil_port_state state) | |
341 | { | |
342 | enum ofputil_port_state stp_state; | |
343 | ||
344 | /* The STP state is a 2-bit field so it doesn't fit in with the bitmask | |
345 | * pattern. We have to special case it. | |
346 | * | |
347 | * OVS doesn't support STP, so this field will always be 0 if we are | |
348 | * talking to OVS, so we'd always print STP_LISTEN in that case. | |
349 | * Therefore, we don't print anything at all if the value is STP_LISTEN, to | |
350 | * avoid confusing users. */ | |
351 | stp_state = state & OFPUTIL_PS_STP_MASK; | |
352 | if (stp_state) { | |
353 | ds_put_cstr(s, (stp_state == OFPUTIL_PS_STP_LEARN ? "STP_LEARN" | |
354 | : stp_state == OFPUTIL_PS_STP_FORWARD ? "STP_FORWARD" | |
355 | : "STP_BLOCK")); | |
356 | state &= ~OFPUTIL_PS_STP_MASK; | |
357 | if (state) { | |
358 | ofp_print_bit_names(s, state, ofputil_port_state_to_name, ' '); | |
359 | } | |
360 | } else { | |
361 | ofp_print_bit_names(s, state, ofputil_port_state_to_name, ' '); | |
362 | } | |
363 | ds_put_char(s, '\n'); | |
364 | } | |
365 | \f | |
0d71302e BP |
366 | /* ofputil_phy_port */ |
367 | ||
368 | /* NETDEV_F_* to and from OFPPF_* and OFPPF10_*. */ | |
369 | BUILD_ASSERT_DECL((int) NETDEV_F_10MB_HD == OFPPF_10MB_HD); /* bit 0 */ | |
370 | BUILD_ASSERT_DECL((int) NETDEV_F_10MB_FD == OFPPF_10MB_FD); /* bit 1 */ | |
371 | BUILD_ASSERT_DECL((int) NETDEV_F_100MB_HD == OFPPF_100MB_HD); /* bit 2 */ | |
372 | BUILD_ASSERT_DECL((int) NETDEV_F_100MB_FD == OFPPF_100MB_FD); /* bit 3 */ | |
373 | BUILD_ASSERT_DECL((int) NETDEV_F_1GB_HD == OFPPF_1GB_HD); /* bit 4 */ | |
374 | BUILD_ASSERT_DECL((int) NETDEV_F_1GB_FD == OFPPF_1GB_FD); /* bit 5 */ | |
375 | BUILD_ASSERT_DECL((int) NETDEV_F_10GB_FD == OFPPF_10GB_FD); /* bit 6 */ | |
376 | ||
377 | /* NETDEV_F_ bits 11...15 are OFPPF10_ bits 7...11: */ | |
378 | BUILD_ASSERT_DECL((int) NETDEV_F_COPPER == (OFPPF10_COPPER << 4)); | |
379 | BUILD_ASSERT_DECL((int) NETDEV_F_FIBER == (OFPPF10_FIBER << 4)); | |
380 | BUILD_ASSERT_DECL((int) NETDEV_F_AUTONEG == (OFPPF10_AUTONEG << 4)); | |
381 | BUILD_ASSERT_DECL((int) NETDEV_F_PAUSE == (OFPPF10_PAUSE << 4)); | |
382 | BUILD_ASSERT_DECL((int) NETDEV_F_PAUSE_ASYM == (OFPPF10_PAUSE_ASYM << 4)); | |
383 | ||
384 | static enum netdev_features | |
385 | netdev_port_features_from_ofp10(ovs_be32 ofp10_) | |
386 | { | |
387 | uint32_t ofp10 = ntohl(ofp10_); | |
388 | return (ofp10 & 0x7f) | ((ofp10 & 0xf80) << 4); | |
389 | } | |
390 | ||
391 | static ovs_be32 | |
392 | netdev_port_features_to_ofp10(enum netdev_features features) | |
393 | { | |
394 | return htonl((features & 0x7f) | ((features & 0xf800) >> 4)); | |
395 | } | |
396 | ||
397 | BUILD_ASSERT_DECL((int) NETDEV_F_10MB_HD == OFPPF_10MB_HD); /* bit 0 */ | |
398 | BUILD_ASSERT_DECL((int) NETDEV_F_10MB_FD == OFPPF_10MB_FD); /* bit 1 */ | |
399 | BUILD_ASSERT_DECL((int) NETDEV_F_100MB_HD == OFPPF_100MB_HD); /* bit 2 */ | |
400 | BUILD_ASSERT_DECL((int) NETDEV_F_100MB_FD == OFPPF_100MB_FD); /* bit 3 */ | |
401 | BUILD_ASSERT_DECL((int) NETDEV_F_1GB_HD == OFPPF_1GB_HD); /* bit 4 */ | |
402 | BUILD_ASSERT_DECL((int) NETDEV_F_1GB_FD == OFPPF_1GB_FD); /* bit 5 */ | |
403 | BUILD_ASSERT_DECL((int) NETDEV_F_10GB_FD == OFPPF_10GB_FD); /* bit 6 */ | |
404 | BUILD_ASSERT_DECL((int) NETDEV_F_40GB_FD == OFPPF11_40GB_FD); /* bit 7 */ | |
405 | BUILD_ASSERT_DECL((int) NETDEV_F_100GB_FD == OFPPF11_100GB_FD); /* bit 8 */ | |
406 | BUILD_ASSERT_DECL((int) NETDEV_F_1TB_FD == OFPPF11_1TB_FD); /* bit 9 */ | |
407 | BUILD_ASSERT_DECL((int) NETDEV_F_OTHER == OFPPF11_OTHER); /* bit 10 */ | |
408 | BUILD_ASSERT_DECL((int) NETDEV_F_COPPER == OFPPF11_COPPER); /* bit 11 */ | |
409 | BUILD_ASSERT_DECL((int) NETDEV_F_FIBER == OFPPF11_FIBER); /* bit 12 */ | |
410 | BUILD_ASSERT_DECL((int) NETDEV_F_AUTONEG == OFPPF11_AUTONEG); /* bit 13 */ | |
411 | BUILD_ASSERT_DECL((int) NETDEV_F_PAUSE == OFPPF11_PAUSE); /* bit 14 */ | |
412 | BUILD_ASSERT_DECL((int) NETDEV_F_PAUSE_ASYM == OFPPF11_PAUSE_ASYM);/* bit 15 */ | |
413 | ||
414 | static enum netdev_features | |
415 | netdev_port_features_from_ofp11(ovs_be32 ofp11) | |
416 | { | |
417 | return ntohl(ofp11) & 0xffff; | |
418 | } | |
419 | ||
420 | static ovs_be32 | |
421 | netdev_port_features_to_ofp11(enum netdev_features features) | |
422 | { | |
423 | return htonl(features & 0xffff); | |
424 | } | |
425 | ||
426 | static enum ofperr | |
427 | ofputil_decode_ofp10_phy_port(struct ofputil_phy_port *pp, | |
428 | const struct ofp10_phy_port *opp) | |
429 | { | |
430 | pp->port_no = u16_to_ofp(ntohs(opp->port_no)); | |
431 | pp->hw_addr = opp->hw_addr; | |
432 | ovs_strlcpy_arrays(pp->name, opp->name); | |
433 | ||
434 | pp->config = ntohl(opp->config) & OFPPC10_ALL; | |
435 | pp->state = ntohl(opp->state) & OFPPS10_ALL; | |
436 | ||
437 | pp->curr = netdev_port_features_from_ofp10(opp->curr); | |
438 | pp->advertised = netdev_port_features_from_ofp10(opp->advertised); | |
439 | pp->supported = netdev_port_features_from_ofp10(opp->supported); | |
440 | pp->peer = netdev_port_features_from_ofp10(opp->peer); | |
441 | ||
442 | pp->curr_speed = netdev_features_to_bps(pp->curr, 0) / 1000; | |
443 | pp->max_speed = netdev_features_to_bps(pp->supported, 0) / 1000; | |
444 | ||
445 | return 0; | |
446 | } | |
447 | ||
448 | static enum ofperr | |
449 | ofputil_decode_ofp11_port(struct ofputil_phy_port *pp, | |
450 | const struct ofp11_port *op) | |
451 | { | |
452 | enum ofperr error; | |
453 | ||
454 | error = ofputil_port_from_ofp11(op->port_no, &pp->port_no); | |
455 | if (error) { | |
456 | return error; | |
457 | } | |
458 | pp->hw_addr = op->hw_addr; | |
459 | ovs_strlcpy_arrays(pp->name, op->name); | |
460 | ||
461 | pp->config = ntohl(op->config) & OFPPC11_ALL; | |
462 | pp->state = ntohl(op->state) & OFPPS11_ALL; | |
463 | ||
464 | pp->curr = netdev_port_features_from_ofp11(op->curr); | |
465 | pp->advertised = netdev_port_features_from_ofp11(op->advertised); | |
466 | pp->supported = netdev_port_features_from_ofp11(op->supported); | |
467 | pp->peer = netdev_port_features_from_ofp11(op->peer); | |
468 | ||
469 | pp->curr_speed = ntohl(op->curr_speed); | |
470 | pp->max_speed = ntohl(op->max_speed); | |
471 | ||
472 | return 0; | |
473 | } | |
474 | ||
475 | static enum ofperr | |
476 | parse_ofp14_port_ethernet_property(const struct ofpbuf *payload, | |
477 | struct ofputil_phy_port *pp) | |
478 | { | |
479 | struct ofp14_port_desc_prop_ethernet *eth = payload->data; | |
480 | ||
481 | if (payload->size != sizeof *eth) { | |
482 | return OFPERR_OFPBPC_BAD_LEN; | |
483 | } | |
484 | ||
485 | pp->curr = netdev_port_features_from_ofp11(eth->curr); | |
486 | pp->advertised = netdev_port_features_from_ofp11(eth->advertised); | |
487 | pp->supported = netdev_port_features_from_ofp11(eth->supported); | |
488 | pp->peer = netdev_port_features_from_ofp11(eth->peer); | |
489 | ||
490 | pp->curr_speed = ntohl(eth->curr_speed); | |
491 | pp->max_speed = ntohl(eth->max_speed); | |
492 | ||
493 | return 0; | |
494 | } | |
495 | ||
496 | static enum ofperr | |
497 | ofputil_pull_ofp14_port_properties(const void *props, size_t len, | |
498 | struct ofputil_phy_port *pp) | |
499 | { | |
500 | struct ofpbuf properties = ofpbuf_const_initializer(props, len); | |
501 | while (properties.size > 0) { | |
502 | struct ofpbuf payload; | |
503 | enum ofperr error; | |
504 | uint64_t type; | |
505 | ||
506 | error = ofpprop_pull(&properties, &payload, &type); | |
507 | if (error) { | |
508 | return error; | |
509 | } | |
510 | ||
511 | switch (type) { | |
512 | case OFPPDPT14_ETHERNET: | |
513 | error = parse_ofp14_port_ethernet_property(&payload, pp); | |
514 | break; | |
515 | ||
516 | default: | |
517 | error = OFPPROP_UNKNOWN(true, "port", type); | |
518 | break; | |
519 | } | |
520 | ||
521 | if (error) { | |
522 | return error; | |
523 | } | |
524 | } | |
525 | ||
526 | return 0; | |
527 | } | |
528 | ||
529 | static enum ofperr | |
530 | ofputil_pull_ofp14_port(struct ofputil_phy_port *pp, struct ofpbuf *msg) | |
531 | { | |
532 | const struct ofp14_port *op = ofpbuf_try_pull(msg, sizeof *op); | |
533 | if (!op) { | |
534 | return OFPERR_OFPBRC_BAD_LEN; | |
535 | } | |
536 | ||
537 | size_t len = ntohs(op->length); | |
538 | if (len < sizeof *op || len - sizeof *op > msg->size) { | |
539 | return OFPERR_OFPBRC_BAD_LEN; | |
540 | } | |
541 | len -= sizeof *op; | |
542 | ||
543 | enum ofperr error = ofputil_port_from_ofp11(op->port_no, &pp->port_no); | |
544 | if (error) { | |
545 | return error; | |
546 | } | |
547 | pp->hw_addr = op->hw_addr; | |
548 | ovs_strlcpy_arrays(pp->name, op->name); | |
549 | ||
550 | pp->config = ntohl(op->config) & OFPPC11_ALL; | |
551 | pp->state = ntohl(op->state) & OFPPS11_ALL; | |
552 | ||
553 | return ofputil_pull_ofp14_port_properties(ofpbuf_pull(msg, len), len, pp); | |
554 | } | |
555 | ||
556 | static enum ofperr | |
557 | ofputil_pull_ofp16_port(struct ofputil_phy_port *pp, struct ofpbuf *msg) | |
558 | { | |
559 | const struct ofp16_port *op = ofpbuf_try_pull(msg, sizeof *op); | |
560 | if (!op) { | |
561 | return OFPERR_OFPBRC_BAD_LEN; | |
562 | } | |
563 | ||
564 | size_t len = ntohs(op->length); | |
565 | if (len < sizeof *op || len - sizeof *op > msg->size) { | |
566 | return OFPERR_OFPBRC_BAD_LEN; | |
567 | } | |
568 | len -= sizeof *op; | |
569 | ||
570 | enum ofperr error = ofputil_port_from_ofp11(op->port_no, &pp->port_no); | |
571 | if (error) { | |
572 | return error; | |
573 | } | |
574 | pp->hw_addr = op->hw_addr; | |
575 | pp->hw_addr64 = op->hw_addr64; | |
576 | ovs_strlcpy_arrays(pp->name, op->name); | |
577 | ||
578 | pp->config = ntohl(op->config) & OFPPC11_ALL; | |
579 | pp->state = ntohl(op->state) & OFPPS11_ALL; | |
580 | ||
581 | return ofputil_pull_ofp14_port_properties(ofpbuf_pull(msg, len), len, pp); | |
582 | } | |
583 | ||
584 | static void | |
585 | ofputil_encode_ofp10_phy_port(const struct ofputil_phy_port *pp, | |
586 | struct ofp10_phy_port *opp) | |
587 | { | |
588 | memset(opp, 0, sizeof *opp); | |
589 | ||
590 | opp->port_no = htons(ofp_to_u16(pp->port_no)); | |
591 | opp->hw_addr = pp->hw_addr; | |
592 | ovs_strlcpy_arrays(opp->name, pp->name); | |
593 | ||
594 | opp->config = htonl(pp->config & OFPPC10_ALL); | |
595 | opp->state = htonl(pp->state & OFPPS10_ALL); | |
596 | ||
597 | opp->curr = netdev_port_features_to_ofp10(pp->curr); | |
598 | opp->advertised = netdev_port_features_to_ofp10(pp->advertised); | |
599 | opp->supported = netdev_port_features_to_ofp10(pp->supported); | |
600 | opp->peer = netdev_port_features_to_ofp10(pp->peer); | |
601 | } | |
602 | ||
603 | static void | |
604 | ofputil_encode_ofp11_port(const struct ofputil_phy_port *pp, | |
605 | struct ofp11_port *op) | |
606 | { | |
607 | memset(op, 0, sizeof *op); | |
608 | ||
609 | op->port_no = ofputil_port_to_ofp11(pp->port_no); | |
610 | op->hw_addr = pp->hw_addr; | |
611 | ovs_strlcpy_arrays(op->name, pp->name); | |
612 | ||
613 | op->config = htonl(pp->config & OFPPC11_ALL); | |
614 | op->state = htonl(pp->state & OFPPS11_ALL); | |
615 | ||
616 | op->curr = netdev_port_features_to_ofp11(pp->curr); | |
617 | op->advertised = netdev_port_features_to_ofp11(pp->advertised); | |
618 | op->supported = netdev_port_features_to_ofp11(pp->supported); | |
619 | op->peer = netdev_port_features_to_ofp11(pp->peer); | |
620 | ||
621 | op->curr_speed = htonl(pp->curr_speed); | |
622 | op->max_speed = htonl(pp->max_speed); | |
623 | } | |
624 | ||
625 | static void | |
626 | ofputil_encode_ofp14_port_ethernet_prop( | |
627 | const struct ofputil_phy_port *pp, | |
628 | struct ofp14_port_desc_prop_ethernet *eth) | |
629 | { | |
630 | eth->curr = netdev_port_features_to_ofp11(pp->curr); | |
631 | eth->advertised = netdev_port_features_to_ofp11(pp->advertised); | |
632 | eth->supported = netdev_port_features_to_ofp11(pp->supported); | |
633 | eth->peer = netdev_port_features_to_ofp11(pp->peer); | |
634 | eth->curr_speed = htonl(pp->curr_speed); | |
635 | eth->max_speed = htonl(pp->max_speed); | |
636 | } | |
637 | ||
638 | static void | |
639 | ofputil_put_ofp14_port(const struct ofputil_phy_port *pp, struct ofpbuf *b) | |
640 | { | |
641 | struct ofp14_port *op; | |
642 | struct ofp14_port_desc_prop_ethernet *eth; | |
643 | ||
644 | ofpbuf_prealloc_tailroom(b, sizeof *op + sizeof *eth); | |
645 | ||
646 | op = ofpbuf_put_zeros(b, sizeof *op); | |
647 | op->port_no = ofputil_port_to_ofp11(pp->port_no); | |
648 | op->length = htons(sizeof *op + sizeof *eth); | |
649 | op->hw_addr = pp->hw_addr; | |
650 | ovs_strlcpy_arrays(op->name, pp->name); | |
651 | op->config = htonl(pp->config & OFPPC11_ALL); | |
652 | op->state = htonl(pp->state & OFPPS11_ALL); | |
653 | ||
654 | eth = ofpprop_put_zeros(b, OFPPDPT14_ETHERNET, sizeof *eth); | |
655 | ofputil_encode_ofp14_port_ethernet_prop(pp, eth); | |
656 | } | |
657 | ||
658 | static void | |
659 | ofputil_put_ofp16_port(const struct ofputil_phy_port *pp, struct ofpbuf *b) | |
660 | { | |
661 | struct ofp16_port *op; | |
662 | struct ofp14_port_desc_prop_ethernet *eth; | |
663 | ||
664 | ofpbuf_prealloc_tailroom(b, sizeof *op + sizeof *eth); | |
665 | ||
666 | op = ofpbuf_put_zeros(b, sizeof *op); | |
667 | op->port_no = ofputil_port_to_ofp11(pp->port_no); | |
668 | op->length = htons(sizeof *op + sizeof *eth); | |
669 | op->hw_addr = pp->hw_addr; | |
670 | op->hw_addr64 = pp->hw_addr64; | |
671 | ovs_strlcpy_arrays(op->name, pp->name); | |
672 | op->config = htonl(pp->config & OFPPC11_ALL); | |
673 | op->state = htonl(pp->state & OFPPS11_ALL); | |
674 | ||
675 | eth = ofpprop_put_zeros(b, OFPPDPT14_ETHERNET, sizeof *eth); | |
676 | ofputil_encode_ofp14_port_ethernet_prop(pp, eth); | |
677 | } | |
678 | ||
679 | void | |
680 | ofputil_put_phy_port(enum ofp_version ofp_version, | |
681 | const struct ofputil_phy_port *pp, struct ofpbuf *b) | |
682 | { | |
683 | switch (ofp_version) { | |
684 | case OFP10_VERSION: { | |
685 | struct ofp10_phy_port *opp = ofpbuf_put_uninit(b, sizeof *opp); | |
686 | ofputil_encode_ofp10_phy_port(pp, opp); | |
687 | break; | |
688 | } | |
689 | ||
690 | case OFP11_VERSION: | |
691 | case OFP12_VERSION: | |
692 | case OFP13_VERSION: { | |
693 | struct ofp11_port *op = ofpbuf_put_uninit(b, sizeof *op); | |
694 | ofputil_encode_ofp11_port(pp, op); | |
695 | break; | |
696 | } | |
697 | ||
698 | case OFP14_VERSION: | |
699 | case OFP15_VERSION: | |
700 | ofputil_put_ofp14_port(pp, b); | |
701 | break; | |
702 | case OFP16_VERSION: | |
703 | ofputil_put_ofp16_port(pp, b); | |
704 | break; | |
705 | ||
706 | default: | |
707 | OVS_NOT_REACHED(); | |
708 | } | |
709 | } | |
710 | ||
711 | enum ofperr | |
712 | ofputil_decode_port_desc_stats_request(const struct ofp_header *request, | |
713 | ofp_port_t *port) | |
714 | { | |
715 | struct ofpbuf b = ofpbuf_const_initializer(request, | |
716 | ntohs(request->length)); | |
717 | enum ofpraw raw = ofpraw_pull_assert(&b); | |
718 | if (raw == OFPRAW_OFPST10_PORT_DESC_REQUEST) { | |
719 | *port = OFPP_ANY; | |
720 | return 0; | |
721 | } else if (raw == OFPRAW_OFPST15_PORT_DESC_REQUEST) { | |
722 | ovs_be32 *ofp11_port; | |
723 | ||
724 | ofp11_port = ofpbuf_pull(&b, sizeof *ofp11_port); | |
725 | return ofputil_port_from_ofp11(*ofp11_port, port); | |
726 | } else { | |
727 | OVS_NOT_REACHED(); | |
728 | } | |
729 | } | |
730 | ||
731 | struct ofpbuf * | |
732 | ofputil_encode_port_desc_stats_request(enum ofp_version ofp_version, | |
733 | ofp_port_t port) | |
734 | { | |
735 | struct ofpbuf *request; | |
736 | ||
737 | switch (ofp_version) { | |
738 | case OFP10_VERSION: | |
739 | case OFP11_VERSION: | |
740 | case OFP12_VERSION: | |
741 | case OFP13_VERSION: | |
742 | case OFP14_VERSION: | |
743 | request = ofpraw_alloc(OFPRAW_OFPST10_PORT_DESC_REQUEST, | |
744 | ofp_version, 0); | |
745 | break; | |
746 | case OFP15_VERSION: | |
747 | case OFP16_VERSION:{ | |
748 | struct ofp15_port_desc_request *req; | |
749 | request = ofpraw_alloc(OFPRAW_OFPST15_PORT_DESC_REQUEST, | |
750 | ofp_version, 0); | |
751 | req = ofpbuf_put_zeros(request, sizeof *req); | |
752 | req->port_no = ofputil_port_to_ofp11(port); | |
753 | break; | |
754 | } | |
755 | default: | |
756 | OVS_NOT_REACHED(); | |
757 | } | |
758 | ||
759 | return request; | |
760 | } | |
761 | ||
762 | void | |
763 | ofputil_append_port_desc_stats_reply(const struct ofputil_phy_port *pp, | |
764 | struct ovs_list *replies) | |
765 | { | |
766 | struct ofpbuf *reply = ofpbuf_from_list(ovs_list_back(replies)); | |
767 | size_t start_ofs = reply->size; | |
768 | ||
769 | ofputil_put_phy_port(ofpmp_version(replies), pp, reply); | |
770 | ofpmp_postappend(replies, start_ofs); | |
771 | } | |
772 | ||
773 | /* Given a buffer 'b' that contains an array of OpenFlow ports of type | |
774 | * 'ofp_version', tries to pull the first element from the array. If | |
775 | * successful, initializes '*pp' with an abstract representation of the | |
776 | * port and returns 0. If no ports remain to be decoded, returns EOF. | |
777 | * On an error, returns a positive OFPERR_* value. */ | |
778 | int | |
779 | ofputil_pull_phy_port(enum ofp_version ofp_version, struct ofpbuf *b, | |
780 | struct ofputil_phy_port *pp) | |
781 | { | |
782 | memset(pp, 0, sizeof *pp); | |
783 | ||
784 | switch (ofp_version) { | |
785 | case OFP10_VERSION: { | |
786 | const struct ofp10_phy_port *opp = ofpbuf_try_pull(b, sizeof *opp); | |
787 | return opp ? ofputil_decode_ofp10_phy_port(pp, opp) : EOF; | |
788 | } | |
789 | case OFP11_VERSION: | |
790 | case OFP12_VERSION: | |
791 | case OFP13_VERSION: { | |
792 | const struct ofp11_port *op = ofpbuf_try_pull(b, sizeof *op); | |
793 | return op ? ofputil_decode_ofp11_port(pp, op) : EOF; | |
794 | } | |
795 | case OFP14_VERSION: | |
796 | case OFP15_VERSION: | |
797 | return b->size ? ofputil_pull_ofp14_port(pp, b) : EOF; | |
798 | case OFP16_VERSION: | |
799 | return b->size ? ofputil_pull_ofp16_port(pp, b) : EOF; | |
800 | default: | |
801 | OVS_NOT_REACHED(); | |
802 | } | |
803 | } | |
dfc77282 BP |
804 | |
805 | void | |
806 | ofputil_phy_port_format(struct ds *s, const struct ofputil_phy_port *port) | |
807 | { | |
808 | char name[sizeof port->name]; | |
809 | int j; | |
810 | ||
811 | memcpy(name, port->name, sizeof name); | |
812 | for (j = 0; j < sizeof name - 1; j++) { | |
813 | if (!isprint((unsigned char) name[j])) { | |
814 | break; | |
815 | } | |
816 | } | |
817 | name[j] = '\0'; | |
818 | ||
819 | ds_put_char(s, ' '); | |
820 | ofputil_format_port(port->port_no, NULL, s); | |
821 | ds_put_format(s, "(%s): addr:"ETH_ADDR_FMT"\n", | |
822 | name, ETH_ADDR_ARGS(port->hw_addr)); | |
823 | ||
824 | if (!eth_addr64_is_zero(port->hw_addr64)) { | |
825 | ds_put_format(s, " addr64: "ETH_ADDR64_FMT"\n", | |
826 | ETH_ADDR64_ARGS(port->hw_addr64)); | |
827 | } | |
828 | ||
829 | ds_put_cstr(s, " config: "); | |
830 | ofputil_port_config_format(s, port->config); | |
831 | ||
832 | ds_put_cstr(s, " state: "); | |
833 | ofputil_port_state_format(s, port->state); | |
834 | ||
835 | if (port->curr) { | |
836 | ds_put_format(s, " current: "); | |
837 | netdev_features_format(s, port->curr); | |
838 | } | |
839 | if (port->advertised) { | |
840 | ds_put_format(s, " advertised: "); | |
841 | netdev_features_format(s, port->advertised); | |
842 | } | |
843 | if (port->supported) { | |
844 | ds_put_format(s, " supported: "); | |
845 | netdev_features_format(s, port->supported); | |
846 | } | |
847 | if (port->peer) { | |
848 | ds_put_format(s, " peer: "); | |
849 | netdev_features_format(s, port->peer); | |
850 | } | |
851 | ds_put_format(s, " speed: %"PRIu32" Mbps now, " | |
852 | "%"PRIu32" Mbps max\n", | |
853 | port->curr_speed / UINT32_C(1000), | |
854 | port->max_speed / UINT32_C(1000)); | |
855 | } | |
856 | ||
857 | /* qsort comparison function. */ | |
858 | static int | |
859 | compare_ports(const void *a_, const void *b_) | |
860 | { | |
861 | const struct ofputil_phy_port *a = a_; | |
862 | const struct ofputil_phy_port *b = b_; | |
863 | uint16_t ap = ofp_to_u16(a->port_no); | |
864 | uint16_t bp = ofp_to_u16(b->port_no); | |
865 | ||
866 | return ap < bp ? -1 : ap > bp; | |
867 | } | |
868 | ||
869 | /* Given a buffer 'b' that contains an array of OpenFlow ports of type | |
870 | * 'ofp_version', writes a detailed description of each port into 'string'. */ | |
871 | enum ofperr | |
872 | ofputil_phy_ports_format(struct ds *string, uint8_t ofp_version, | |
873 | struct ofpbuf *b) | |
874 | { | |
875 | struct ofputil_phy_port *ports; | |
876 | size_t allocated_ports, n_ports; | |
877 | int retval; | |
878 | size_t i; | |
879 | ||
880 | ports = NULL; | |
881 | allocated_ports = 0; | |
882 | for (n_ports = 0; ; n_ports++) { | |
883 | if (n_ports >= allocated_ports) { | |
884 | ports = x2nrealloc(ports, &allocated_ports, sizeof *ports); | |
885 | } | |
886 | ||
887 | retval = ofputil_pull_phy_port(ofp_version, b, &ports[n_ports]); | |
888 | if (retval) { | |
889 | break; | |
890 | } | |
891 | } | |
892 | ||
893 | qsort(ports, n_ports, sizeof *ports, compare_ports); | |
894 | for (i = 0; i < n_ports; i++) { | |
895 | ofputil_phy_port_format(string, &ports[i]); | |
896 | } | |
897 | free(ports); | |
898 | ||
899 | return retval != EOF ? retval : 0; | |
900 | } | |
0d71302e BP |
901 | \f |
902 | /* ofputil_port_status */ | |
903 | ||
904 | /* Decodes the OpenFlow "port status" message in '*ops' into an abstract form | |
905 | * in '*ps'. Returns 0 if successful, otherwise an OFPERR_* value. */ | |
906 | enum ofperr | |
907 | ofputil_decode_port_status(const struct ofp_header *oh, | |
908 | struct ofputil_port_status *ps) | |
909 | { | |
910 | struct ofpbuf b = ofpbuf_const_initializer(oh, ntohs(oh->length)); | |
911 | ofpraw_pull_assert(&b); | |
912 | ||
913 | const struct ofp_port_status *ops = ofpbuf_pull(&b, sizeof *ops); | |
914 | if (ops->reason != OFPPR_ADD && | |
915 | ops->reason != OFPPR_DELETE && | |
916 | ops->reason != OFPPR_MODIFY) { | |
917 | return OFPERR_NXBRC_BAD_REASON; | |
918 | } | |
919 | ps->reason = ops->reason; | |
920 | ||
921 | int retval = ofputil_pull_phy_port(oh->version, &b, &ps->desc); | |
922 | ovs_assert(retval != EOF); | |
923 | return retval; | |
924 | } | |
925 | ||
926 | /* Converts the abstract form of a "port status" message in '*ps' into an | |
927 | * OpenFlow message suitable for 'protocol', and returns that encoded form in | |
928 | * a buffer owned by the caller. */ | |
929 | struct ofpbuf * | |
930 | ofputil_encode_port_status(const struct ofputil_port_status *ps, | |
931 | enum ofputil_protocol protocol) | |
932 | { | |
933 | struct ofp_port_status *ops; | |
934 | struct ofpbuf *b; | |
935 | enum ofp_version version; | |
936 | enum ofpraw raw; | |
937 | ||
938 | version = ofputil_protocol_to_ofp_version(protocol); | |
939 | switch (version) { | |
940 | case OFP10_VERSION: | |
941 | raw = OFPRAW_OFPT10_PORT_STATUS; | |
942 | break; | |
943 | ||
944 | case OFP11_VERSION: | |
945 | case OFP12_VERSION: | |
946 | case OFP13_VERSION: | |
947 | raw = OFPRAW_OFPT11_PORT_STATUS; | |
948 | break; | |
949 | ||
950 | case OFP14_VERSION: | |
951 | case OFP15_VERSION: | |
952 | raw = OFPRAW_OFPT14_PORT_STATUS; | |
953 | break; | |
954 | ||
955 | case OFP16_VERSION: | |
956 | raw = OFPRAW_OFPT16_PORT_STATUS; | |
957 | break; | |
958 | ||
959 | default: | |
960 | OVS_NOT_REACHED(); | |
961 | } | |
962 | ||
963 | b = ofpraw_alloc_xid(raw, version, htonl(0), 0); | |
964 | ops = ofpbuf_put_zeros(b, sizeof *ops); | |
965 | ops->reason = ps->reason; | |
966 | ofputil_put_phy_port(version, &ps->desc, b); | |
967 | ofpmsg_update_length(b); | |
968 | return b; | |
969 | } | |
970 | ||
dfc77282 BP |
971 | void |
972 | ofputil_port_status_format(struct ds *s, | |
973 | const struct ofputil_port_status *ps) | |
974 | { | |
975 | if (ps->reason == OFPPR_ADD) { | |
976 | ds_put_format(s, " ADD:"); | |
977 | } else if (ps->reason == OFPPR_DELETE) { | |
978 | ds_put_format(s, " DEL:"); | |
979 | } else if (ps->reason == OFPPR_MODIFY) { | |
980 | ds_put_format(s, " MOD:"); | |
981 | } | |
982 | ||
983 | ofputil_phy_port_format(s, &ps->desc); | |
984 | } | |
985 | \f | |
0d71302e BP |
986 | /* ofputil_port_mod */ |
987 | ||
988 | static enum ofperr | |
989 | parse_port_mod_ethernet_property(struct ofpbuf *property, | |
990 | struct ofputil_port_mod *pm) | |
991 | { | |
992 | ovs_be32 advertise; | |
993 | enum ofperr error; | |
994 | ||
995 | error = ofpprop_parse_be32(property, &advertise); | |
996 | if (!error) { | |
997 | pm->advertise = netdev_port_features_from_ofp11(advertise); | |
998 | } | |
999 | return error; | |
1000 | } | |
1001 | ||
1002 | static enum ofperr | |
1003 | ofputil_decode_ofp10_port_mod(const struct ofp10_port_mod *opm, | |
1004 | struct ofputil_port_mod *pm) | |
1005 | { | |
1006 | pm->port_no = u16_to_ofp(ntohs(opm->port_no)); | |
1007 | pm->hw_addr = opm->hw_addr; | |
1008 | pm->config = ntohl(opm->config) & OFPPC10_ALL; | |
1009 | pm->mask = ntohl(opm->mask) & OFPPC10_ALL; | |
1010 | pm->advertise = netdev_port_features_from_ofp10(opm->advertise); | |
1011 | return 0; | |
1012 | } | |
1013 | ||
1014 | static enum ofperr | |
1015 | ofputil_decode_ofp11_port_mod(const struct ofp11_port_mod *opm, | |
1016 | struct ofputil_port_mod *pm) | |
1017 | { | |
1018 | enum ofperr error; | |
1019 | ||
1020 | error = ofputil_port_from_ofp11(opm->port_no, &pm->port_no); | |
1021 | if (error) { | |
1022 | return error; | |
1023 | } | |
1024 | ||
1025 | pm->hw_addr = opm->hw_addr; | |
1026 | pm->config = ntohl(opm->config) & OFPPC11_ALL; | |
1027 | pm->mask = ntohl(opm->mask) & OFPPC11_ALL; | |
1028 | pm->advertise = netdev_port_features_from_ofp11(opm->advertise); | |
1029 | ||
1030 | return 0; | |
1031 | } | |
1032 | ||
1033 | static enum ofperr | |
1034 | ofputil_decode_ofp14_port_mod_properties(struct ofpbuf *b, bool loose, | |
1035 | struct ofputil_port_mod *pm) | |
1036 | { | |
1037 | while (b->size > 0) { | |
1038 | struct ofpbuf property; | |
1039 | enum ofperr error; | |
1040 | uint64_t type; | |
1041 | ||
1042 | error = ofpprop_pull(b, &property, &type); | |
1043 | if (error) { | |
1044 | return error; | |
1045 | } | |
1046 | ||
1047 | switch (type) { | |
1048 | case OFPPMPT14_ETHERNET: | |
1049 | error = parse_port_mod_ethernet_property(&property, pm); | |
1050 | break; | |
1051 | ||
1052 | default: | |
1053 | error = OFPPROP_UNKNOWN(loose, "port_mod", type); | |
1054 | break; | |
1055 | } | |
1056 | ||
1057 | if (error) { | |
1058 | return error; | |
1059 | } | |
1060 | } | |
1061 | return 0; | |
1062 | } | |
1063 | ||
1064 | static enum ofperr | |
1065 | ofputil_decode_ofp14_port_mod(struct ofpbuf *b, bool loose, | |
1066 | struct ofputil_port_mod *pm) | |
1067 | { | |
1068 | const struct ofp14_port_mod *opm = ofpbuf_pull(b, sizeof *opm); | |
1069 | enum ofperr error = ofputil_port_from_ofp11(opm->port_no, &pm->port_no); | |
1070 | if (error) { | |
1071 | return error; | |
1072 | } | |
1073 | ||
1074 | pm->hw_addr = opm->hw_addr; | |
1075 | pm->config = ntohl(opm->config) & OFPPC11_ALL; | |
1076 | pm->mask = ntohl(opm->mask) & OFPPC11_ALL; | |
1077 | ||
1078 | return ofputil_decode_ofp14_port_mod_properties(b, loose, pm); | |
1079 | } | |
1080 | ||
1081 | static enum ofperr | |
1082 | ofputil_decode_ofp16_port_mod(struct ofpbuf *b, bool loose, | |
1083 | struct ofputil_port_mod *pm) | |
1084 | { | |
1085 | const struct ofp16_port_mod *opm = ofpbuf_pull(b, sizeof *opm); | |
1086 | enum ofperr error = ofputil_port_from_ofp11(opm->port_no, &pm->port_no); | |
1087 | if (error) { | |
1088 | return error; | |
1089 | } | |
1090 | ||
1091 | pm->hw_addr = opm->hw_addr; | |
1092 | pm->hw_addr64 = opm->hw_addr64; | |
1093 | pm->config = ntohl(opm->config) & OFPPC11_ALL; | |
1094 | pm->mask = ntohl(opm->mask) & OFPPC11_ALL; | |
1095 | ||
1096 | return ofputil_decode_ofp14_port_mod_properties(b, loose, pm); | |
1097 | } | |
1098 | ||
1099 | /* Decodes the OpenFlow "port mod" message in '*oh' into an abstract form in | |
1100 | * '*pm'. Returns 0 if successful, otherwise an OFPERR_* value. */ | |
1101 | enum ofperr | |
1102 | ofputil_decode_port_mod(const struct ofp_header *oh, | |
1103 | struct ofputil_port_mod *pm, bool loose) | |
1104 | { | |
1105 | memset(pm, 0, sizeof *pm); | |
1106 | ||
1107 | struct ofpbuf b = ofpbuf_const_initializer(oh, ntohs(oh->length)); | |
1108 | enum ofpraw raw = ofpraw_pull_assert(&b); | |
1109 | ||
1110 | enum ofperr error; | |
1111 | if (raw == OFPRAW_OFPT10_PORT_MOD) { | |
1112 | error = ofputil_decode_ofp10_port_mod(b.data, pm); | |
1113 | } else if (raw == OFPRAW_OFPT11_PORT_MOD) { | |
1114 | error = ofputil_decode_ofp11_port_mod(b.data, pm); | |
1115 | } else if (raw == OFPRAW_OFPT14_PORT_MOD) { | |
1116 | error = ofputil_decode_ofp14_port_mod(&b, loose, pm); | |
1117 | } else if (raw == OFPRAW_OFPT16_PORT_MOD) { | |
1118 | error = ofputil_decode_ofp16_port_mod(&b, loose, pm); | |
1119 | } else { | |
1120 | error = OFPERR_OFPBRC_BAD_TYPE; | |
1121 | } | |
1122 | ||
1123 | pm->config &= pm->mask; | |
1124 | return error; | |
1125 | } | |
1126 | ||
1127 | /* Converts the abstract form of a "port mod" message in '*pm' into an OpenFlow | |
1128 | * message suitable for 'protocol', and returns that encoded form in a buffer | |
1129 | * owned by the caller. */ | |
1130 | struct ofpbuf * | |
1131 | ofputil_encode_port_mod(const struct ofputil_port_mod *pm, | |
1132 | enum ofputil_protocol protocol) | |
1133 | { | |
1134 | enum ofp_version ofp_version = ofputil_protocol_to_ofp_version(protocol); | |
1135 | struct ofpbuf *b; | |
1136 | ||
1137 | switch (ofp_version) { | |
1138 | case OFP10_VERSION: { | |
1139 | struct ofp10_port_mod *opm; | |
1140 | ||
1141 | b = ofpraw_alloc(OFPRAW_OFPT10_PORT_MOD, ofp_version, 0); | |
1142 | opm = ofpbuf_put_zeros(b, sizeof *opm); | |
1143 | opm->port_no = htons(ofp_to_u16(pm->port_no)); | |
1144 | opm->hw_addr = pm->hw_addr; | |
1145 | opm->config = htonl(pm->config & OFPPC10_ALL); | |
1146 | opm->mask = htonl(pm->mask & OFPPC10_ALL); | |
1147 | opm->advertise = netdev_port_features_to_ofp10(pm->advertise); | |
1148 | break; | |
1149 | } | |
1150 | ||
1151 | case OFP11_VERSION: | |
1152 | case OFP12_VERSION: | |
1153 | case OFP13_VERSION: { | |
1154 | struct ofp11_port_mod *opm; | |
1155 | ||
1156 | b = ofpraw_alloc(OFPRAW_OFPT11_PORT_MOD, ofp_version, 0); | |
1157 | opm = ofpbuf_put_zeros(b, sizeof *opm); | |
1158 | opm->port_no = ofputil_port_to_ofp11(pm->port_no); | |
1159 | opm->hw_addr = pm->hw_addr; | |
1160 | opm->config = htonl(pm->config & OFPPC11_ALL); | |
1161 | opm->mask = htonl(pm->mask & OFPPC11_ALL); | |
1162 | opm->advertise = netdev_port_features_to_ofp11(pm->advertise); | |
1163 | break; | |
1164 | } | |
1165 | case OFP14_VERSION: | |
1166 | case OFP15_VERSION: { | |
1167 | struct ofp14_port_mod *opm; | |
1168 | ||
1169 | b = ofpraw_alloc(OFPRAW_OFPT14_PORT_MOD, ofp_version, 0); | |
1170 | opm = ofpbuf_put_zeros(b, sizeof *opm); | |
1171 | opm->port_no = ofputil_port_to_ofp11(pm->port_no); | |
1172 | opm->hw_addr = pm->hw_addr; | |
1173 | opm->config = htonl(pm->config & OFPPC11_ALL); | |
1174 | opm->mask = htonl(pm->mask & OFPPC11_ALL); | |
1175 | ||
1176 | if (pm->advertise) { | |
1177 | ofpprop_put_be32(b, OFPPMPT14_ETHERNET, | |
1178 | netdev_port_features_to_ofp11(pm->advertise)); | |
1179 | } | |
1180 | break; | |
1181 | } | |
1182 | case OFP16_VERSION: { | |
1183 | struct ofp16_port_mod *opm; | |
1184 | ||
1185 | b = ofpraw_alloc(OFPRAW_OFPT16_PORT_MOD, ofp_version, 0); | |
1186 | opm = ofpbuf_put_zeros(b, sizeof *opm); | |
1187 | opm->port_no = ofputil_port_to_ofp11(pm->port_no); | |
1188 | opm->hw_addr = pm->hw_addr; | |
1189 | opm->hw_addr64 = pm->hw_addr64; | |
1190 | opm->config = htonl(pm->config & OFPPC11_ALL); | |
1191 | opm->mask = htonl(pm->mask & OFPPC11_ALL); | |
1192 | ||
1193 | if (pm->advertise) { | |
1194 | ofpprop_put_be32(b, OFPPMPT14_ETHERNET, | |
1195 | netdev_port_features_to_ofp11(pm->advertise)); | |
1196 | } | |
1197 | break; | |
1198 | } | |
1199 | default: | |
1200 | OVS_NOT_REACHED(); | |
1201 | } | |
1202 | ||
1203 | return b; | |
1204 | } | |
dfc77282 BP |
1205 | |
1206 | void | |
1207 | ofputil_port_mod_format(struct ds *s, const struct ofputil_port_mod *pm, | |
1208 | const struct ofputil_port_map *port_map) | |
1209 | { | |
1210 | ds_put_cstr(s, " port: "); | |
1211 | ofputil_format_port(pm->port_no, port_map, s); | |
1212 | ds_put_format(s, ": addr:"ETH_ADDR_FMT"\n", | |
1213 | ETH_ADDR_ARGS(pm->hw_addr)); | |
1214 | if (!eth_addr64_is_zero(pm->hw_addr64)) { | |
1215 | ds_put_format(s, " addr64: "ETH_ADDR64_FMT"\n", | |
1216 | ETH_ADDR64_ARGS(pm->hw_addr64)); | |
1217 | } | |
1218 | ||
1219 | ds_put_cstr(s, " config: "); | |
1220 | ofputil_port_config_format(s, pm->config); | |
1221 | ||
1222 | ds_put_cstr(s, " mask: "); | |
1223 | ofputil_port_config_format(s, pm->mask); | |
1224 | ||
1225 | ds_put_cstr(s, " advertise: "); | |
1226 | if (pm->advertise) { | |
1227 | netdev_features_format(s, pm->advertise); | |
1228 | } else { | |
1229 | ds_put_cstr(s, "UNCHANGED\n"); | |
1230 | } | |
1231 | } | |
0d71302e BP |
1232 | \f |
1233 | /* Encode a dump ports request for 'port', the encoded message | |
1234 | * will be for OpenFlow version 'ofp_version'. Returns message | |
1235 | * as a struct ofpbuf. Returns encoded message on success, NULL on error */ | |
1236 | struct ofpbuf * | |
1237 | ofputil_encode_dump_ports_request(enum ofp_version ofp_version, | |
1238 | ofp_port_t port) | |
1239 | { | |
1240 | struct ofpbuf *request; | |
1241 | ||
1242 | switch (ofp_version) { | |
1243 | case OFP10_VERSION: { | |
1244 | struct ofp10_port_stats_request *req; | |
1245 | request = ofpraw_alloc(OFPRAW_OFPST10_PORT_REQUEST, ofp_version, 0); | |
1246 | req = ofpbuf_put_zeros(request, sizeof *req); | |
1247 | req->port_no = htons(ofp_to_u16(port)); | |
1248 | break; | |
1249 | } | |
1250 | case OFP11_VERSION: | |
1251 | case OFP12_VERSION: | |
1252 | case OFP13_VERSION: | |
1253 | case OFP14_VERSION: | |
1254 | case OFP15_VERSION: | |
1255 | case OFP16_VERSION: { | |
1256 | struct ofp11_port_stats_request *req; | |
1257 | request = ofpraw_alloc(OFPRAW_OFPST11_PORT_REQUEST, ofp_version, 0); | |
1258 | req = ofpbuf_put_zeros(request, sizeof *req); | |
1259 | req->port_no = ofputil_port_to_ofp11(port); | |
1260 | break; | |
1261 | } | |
1262 | default: | |
1263 | OVS_NOT_REACHED(); | |
1264 | } | |
1265 | ||
1266 | return request; | |
1267 | } | |
1268 | ||
1269 | static void | |
1270 | ofputil_port_stats_to_ofp10(const struct ofputil_port_stats *ops, | |
1271 | struct ofp10_port_stats *ps10) | |
1272 | { | |
1273 | ps10->port_no = htons(ofp_to_u16(ops->port_no)); | |
1274 | memset(ps10->pad, 0, sizeof ps10->pad); | |
1275 | put_32aligned_be64(&ps10->rx_packets, htonll(ops->stats.rx_packets)); | |
1276 | put_32aligned_be64(&ps10->tx_packets, htonll(ops->stats.tx_packets)); | |
1277 | put_32aligned_be64(&ps10->rx_bytes, htonll(ops->stats.rx_bytes)); | |
1278 | put_32aligned_be64(&ps10->tx_bytes, htonll(ops->stats.tx_bytes)); | |
1279 | put_32aligned_be64(&ps10->rx_dropped, htonll(ops->stats.rx_dropped)); | |
1280 | put_32aligned_be64(&ps10->tx_dropped, htonll(ops->stats.tx_dropped)); | |
1281 | put_32aligned_be64(&ps10->rx_errors, htonll(ops->stats.rx_errors)); | |
1282 | put_32aligned_be64(&ps10->tx_errors, htonll(ops->stats.tx_errors)); | |
1283 | put_32aligned_be64(&ps10->rx_frame_err, | |
1284 | htonll(ops->stats.rx_frame_errors)); | |
1285 | put_32aligned_be64(&ps10->rx_over_err, htonll(ops->stats.rx_over_errors)); | |
1286 | put_32aligned_be64(&ps10->rx_crc_err, htonll(ops->stats.rx_crc_errors)); | |
1287 | put_32aligned_be64(&ps10->collisions, htonll(ops->stats.collisions)); | |
1288 | } | |
1289 | ||
1290 | static void | |
1291 | ofputil_port_stats_to_ofp11(const struct ofputil_port_stats *ops, | |
1292 | struct ofp11_port_stats *ps11) | |
1293 | { | |
1294 | ps11->port_no = ofputil_port_to_ofp11(ops->port_no); | |
1295 | memset(ps11->pad, 0, sizeof ps11->pad); | |
1296 | ps11->rx_packets = htonll(ops->stats.rx_packets); | |
1297 | ps11->tx_packets = htonll(ops->stats.tx_packets); | |
1298 | ps11->rx_bytes = htonll(ops->stats.rx_bytes); | |
1299 | ps11->tx_bytes = htonll(ops->stats.tx_bytes); | |
1300 | ps11->rx_dropped = htonll(ops->stats.rx_dropped); | |
1301 | ps11->tx_dropped = htonll(ops->stats.tx_dropped); | |
1302 | ps11->rx_errors = htonll(ops->stats.rx_errors); | |
1303 | ps11->tx_errors = htonll(ops->stats.tx_errors); | |
1304 | ps11->rx_frame_err = htonll(ops->stats.rx_frame_errors); | |
1305 | ps11->rx_over_err = htonll(ops->stats.rx_over_errors); | |
1306 | ps11->rx_crc_err = htonll(ops->stats.rx_crc_errors); | |
1307 | ps11->collisions = htonll(ops->stats.collisions); | |
1308 | } | |
1309 | ||
1310 | static void | |
1311 | ofputil_port_stats_to_ofp13(const struct ofputil_port_stats *ops, | |
1312 | struct ofp13_port_stats *ps13) | |
1313 | { | |
1314 | ofputil_port_stats_to_ofp11(ops, &ps13->ps); | |
1315 | ps13->duration_sec = htonl(ops->duration_sec); | |
1316 | ps13->duration_nsec = htonl(ops->duration_nsec); | |
1317 | } | |
1318 | ||
1319 | static void | |
1320 | ofputil_append_ofp14_port_stats(const struct ofputil_port_stats *ops, | |
1321 | struct ovs_list *replies) | |
1322 | { | |
1323 | struct ofp14_port_stats_prop_ethernet *eth; | |
1324 | struct intel_port_stats_rfc2819 *stats_rfc2819; | |
1325 | struct intel_port_custom_stats *stats_custom; | |
1326 | struct ofp14_port_stats *ps14; | |
1327 | struct ofpbuf *reply; | |
1328 | uint16_t i; | |
1329 | ovs_be64 counter_value; | |
1330 | size_t custom_stats_start, start_ofs; | |
1331 | ||
1332 | reply = ofpbuf_from_list(ovs_list_back(replies)); | |
1333 | start_ofs = reply->size; | |
1334 | ||
1335 | ps14 = ofpbuf_put_uninit(reply, sizeof *ps14); | |
1336 | ||
1337 | memset(ps14->pad, 0, sizeof ps14->pad); | |
1338 | ps14->port_no = ofputil_port_to_ofp11(ops->port_no); | |
1339 | ps14->duration_sec = htonl(ops->duration_sec); | |
1340 | ps14->duration_nsec = htonl(ops->duration_nsec); | |
1341 | ps14->rx_packets = htonll(ops->stats.rx_packets); | |
1342 | ps14->tx_packets = htonll(ops->stats.tx_packets); | |
1343 | ps14->rx_bytes = htonll(ops->stats.rx_bytes); | |
1344 | ps14->tx_bytes = htonll(ops->stats.tx_bytes); | |
1345 | ps14->rx_dropped = htonll(ops->stats.rx_dropped); | |
1346 | ps14->tx_dropped = htonll(ops->stats.tx_dropped); | |
1347 | ps14->rx_errors = htonll(ops->stats.rx_errors); | |
1348 | ps14->tx_errors = htonll(ops->stats.tx_errors); | |
1349 | ||
1350 | eth = ofpprop_put_zeros(reply, OFPPSPT14_ETHERNET, sizeof *eth); | |
1351 | eth->rx_frame_err = htonll(ops->stats.rx_frame_errors); | |
1352 | eth->rx_over_err = htonll(ops->stats.rx_over_errors); | |
1353 | eth->rx_crc_err = htonll(ops->stats.rx_crc_errors); | |
1354 | eth->collisions = htonll(ops->stats.collisions); | |
1355 | ||
1356 | uint64_t prop_type_stats = OFPPROP_EXP(INTEL_VENDOR_ID, | |
1357 | INTEL_PORT_STATS_RFC2819); | |
1358 | ||
1359 | stats_rfc2819 = ofpprop_put_zeros(reply, prop_type_stats, | |
1360 | sizeof *stats_rfc2819); | |
1361 | ||
1362 | memset(stats_rfc2819->pad, 0, sizeof stats_rfc2819->pad); | |
1363 | stats_rfc2819->rx_1_to_64_packets = htonll(ops->stats.rx_1_to_64_packets); | |
1364 | stats_rfc2819->rx_65_to_127_packets = | |
1365 | htonll(ops->stats.rx_65_to_127_packets); | |
1366 | stats_rfc2819->rx_128_to_255_packets = | |
1367 | htonll(ops->stats.rx_128_to_255_packets); | |
1368 | stats_rfc2819->rx_256_to_511_packets = | |
1369 | htonll(ops->stats.rx_256_to_511_packets); | |
1370 | stats_rfc2819->rx_512_to_1023_packets = | |
1371 | htonll(ops->stats.rx_512_to_1023_packets); | |
1372 | stats_rfc2819->rx_1024_to_1522_packets = | |
1373 | htonll(ops->stats.rx_1024_to_1522_packets); | |
1374 | stats_rfc2819->rx_1523_to_max_packets = | |
1375 | htonll(ops->stats.rx_1523_to_max_packets); | |
1376 | ||
1377 | stats_rfc2819->tx_1_to_64_packets = htonll(ops->stats.tx_1_to_64_packets); | |
1378 | stats_rfc2819->tx_65_to_127_packets = | |
1379 | htonll(ops->stats.tx_65_to_127_packets); | |
1380 | stats_rfc2819->tx_128_to_255_packets = | |
1381 | htonll(ops->stats.tx_128_to_255_packets); | |
1382 | stats_rfc2819->tx_256_to_511_packets = | |
1383 | htonll(ops->stats.tx_256_to_511_packets); | |
1384 | stats_rfc2819->tx_512_to_1023_packets = | |
1385 | htonll(ops->stats.tx_512_to_1023_packets); | |
1386 | stats_rfc2819->tx_1024_to_1522_packets = | |
1387 | htonll(ops->stats.tx_1024_to_1522_packets); | |
1388 | stats_rfc2819->tx_1523_to_max_packets = | |
1389 | htonll(ops->stats.tx_1523_to_max_packets); | |
1390 | ||
1391 | stats_rfc2819->tx_multicast_packets = | |
1392 | htonll(ops->stats.tx_multicast_packets); | |
1393 | stats_rfc2819->rx_broadcast_packets = | |
1394 | htonll(ops->stats.rx_broadcast_packets); | |
1395 | stats_rfc2819->tx_broadcast_packets = | |
1396 | htonll(ops->stats.tx_broadcast_packets); | |
1397 | stats_rfc2819->rx_undersized_errors = | |
1398 | htonll(ops->stats.rx_undersized_errors); | |
1399 | stats_rfc2819->rx_oversize_errors = | |
1400 | htonll(ops->stats.rx_oversize_errors); | |
1401 | stats_rfc2819->rx_fragmented_errors = | |
1402 | htonll(ops->stats.rx_fragmented_errors); | |
1403 | stats_rfc2819->rx_jabber_errors = | |
1404 | htonll(ops->stats.rx_jabber_errors); | |
1405 | ||
1406 | if (ops->custom_stats.counters && ops->custom_stats.size) { | |
1407 | custom_stats_start = reply->size; | |
1408 | ||
1409 | uint64_t prop_type_custom = OFPPROP_EXP(INTEL_VENDOR_ID, | |
1410 | INTEL_PORT_STATS_CUSTOM); | |
1411 | ||
1412 | stats_custom = ofpprop_put_zeros(reply, prop_type_custom, | |
1413 | sizeof *stats_custom); | |
1414 | ||
1415 | stats_custom->stats_array_size = htons(ops->custom_stats.size); | |
1416 | ||
1417 | for (i = 0; i < ops->custom_stats.size; i++) { | |
1418 | uint8_t counter_size = strlen(ops->custom_stats.counters[i].name); | |
1419 | /* Counter name size */ | |
1420 | ofpbuf_put(reply, &counter_size, sizeof(counter_size)); | |
1421 | /* Counter name */ | |
1422 | ofpbuf_put(reply, ops->custom_stats.counters[i].name, | |
1423 | counter_size); | |
1424 | /* Counter value */ | |
1425 | counter_value = htonll(ops->custom_stats.counters[i].value); | |
1426 | ofpbuf_put(reply, &counter_value, | |
1427 | sizeof(ops->custom_stats.counters[i].value)); | |
1428 | } | |
1429 | ||
1430 | ofpprop_end(reply, custom_stats_start); | |
1431 | } | |
1432 | ||
1433 | ps14 = ofpbuf_at_assert(reply, start_ofs, sizeof *ps14); | |
1434 | ps14->length = htons(reply->size - start_ofs); | |
1435 | ||
1436 | ofpmp_postappend(replies, start_ofs); | |
1437 | } | |
1438 | ||
1439 | /* Encode a ports stat for 'ops' and append it to 'replies'. */ | |
1440 | void | |
1441 | ofputil_append_port_stat(struct ovs_list *replies, | |
1442 | const struct ofputil_port_stats *ops) | |
1443 | { | |
1444 | switch (ofpmp_version(replies)) { | |
1445 | case OFP13_VERSION: { | |
1446 | struct ofp13_port_stats *reply = ofpmp_append(replies, sizeof *reply); | |
1447 | ofputil_port_stats_to_ofp13(ops, reply); | |
1448 | break; | |
1449 | } | |
1450 | case OFP12_VERSION: | |
1451 | case OFP11_VERSION: { | |
1452 | struct ofp11_port_stats *reply = ofpmp_append(replies, sizeof *reply); | |
1453 | ofputil_port_stats_to_ofp11(ops, reply); | |
1454 | break; | |
1455 | } | |
1456 | ||
1457 | case OFP10_VERSION: { | |
1458 | struct ofp10_port_stats *reply = ofpmp_append(replies, sizeof *reply); | |
1459 | ofputil_port_stats_to_ofp10(ops, reply); | |
1460 | break; | |
1461 | } | |
1462 | ||
1463 | case OFP14_VERSION: | |
1464 | case OFP15_VERSION: | |
1465 | case OFP16_VERSION: | |
1466 | ofputil_append_ofp14_port_stats(ops, replies); | |
1467 | break; | |
1468 | ||
1469 | default: | |
1470 | OVS_NOT_REACHED(); | |
1471 | } | |
1472 | } | |
1473 | ||
1474 | static enum ofperr | |
1475 | ofputil_port_stats_from_ofp10(struct ofputil_port_stats *ops, | |
1476 | const struct ofp10_port_stats *ps10) | |
1477 | { | |
1478 | ||
1479 | ops->port_no = u16_to_ofp(ntohs(ps10->port_no)); | |
1480 | ops->stats.rx_packets = ntohll(get_32aligned_be64(&ps10->rx_packets)); | |
1481 | ops->stats.tx_packets = ntohll(get_32aligned_be64(&ps10->tx_packets)); | |
1482 | ops->stats.rx_bytes = ntohll(get_32aligned_be64(&ps10->rx_bytes)); | |
1483 | ops->stats.tx_bytes = ntohll(get_32aligned_be64(&ps10->tx_bytes)); | |
1484 | ops->stats.rx_dropped = ntohll(get_32aligned_be64(&ps10->rx_dropped)); | |
1485 | ops->stats.tx_dropped = ntohll(get_32aligned_be64(&ps10->tx_dropped)); | |
1486 | ops->stats.rx_errors = ntohll(get_32aligned_be64(&ps10->rx_errors)); | |
1487 | ops->stats.tx_errors = ntohll(get_32aligned_be64(&ps10->tx_errors)); | |
1488 | ops->stats.rx_frame_errors = | |
1489 | ntohll(get_32aligned_be64(&ps10->rx_frame_err)); | |
1490 | ops->stats.rx_over_errors = ntohll(get_32aligned_be64(&ps10->rx_over_err)); | |
1491 | ops->stats.rx_crc_errors = ntohll(get_32aligned_be64(&ps10->rx_crc_err)); | |
1492 | ops->stats.collisions = ntohll(get_32aligned_be64(&ps10->collisions)); | |
1493 | ops->duration_sec = ops->duration_nsec = UINT32_MAX; | |
1494 | ||
1495 | return 0; | |
1496 | } | |
1497 | ||
1498 | static enum ofperr | |
1499 | ofputil_port_stats_from_ofp11(struct ofputil_port_stats *ops, | |
1500 | const struct ofp11_port_stats *ps11) | |
1501 | { | |
1502 | enum ofperr error; | |
1503 | ||
1504 | error = ofputil_port_from_ofp11(ps11->port_no, &ops->port_no); | |
1505 | if (error) { | |
1506 | return error; | |
1507 | } | |
1508 | ||
1509 | ops->stats.rx_packets = ntohll(ps11->rx_packets); | |
1510 | ops->stats.tx_packets = ntohll(ps11->tx_packets); | |
1511 | ops->stats.rx_bytes = ntohll(ps11->rx_bytes); | |
1512 | ops->stats.tx_bytes = ntohll(ps11->tx_bytes); | |
1513 | ops->stats.rx_dropped = ntohll(ps11->rx_dropped); | |
1514 | ops->stats.tx_dropped = ntohll(ps11->tx_dropped); | |
1515 | ops->stats.rx_errors = ntohll(ps11->rx_errors); | |
1516 | ops->stats.tx_errors = ntohll(ps11->tx_errors); | |
1517 | ops->stats.rx_frame_errors = ntohll(ps11->rx_frame_err); | |
1518 | ops->stats.rx_over_errors = ntohll(ps11->rx_over_err); | |
1519 | ops->stats.rx_crc_errors = ntohll(ps11->rx_crc_err); | |
1520 | ops->stats.collisions = ntohll(ps11->collisions); | |
1521 | ops->duration_sec = ops->duration_nsec = UINT32_MAX; | |
1522 | ||
1523 | return 0; | |
1524 | } | |
1525 | ||
1526 | static enum ofperr | |
1527 | ofputil_port_stats_from_ofp13(struct ofputil_port_stats *ops, | |
1528 | const struct ofp13_port_stats *ps13) | |
1529 | { | |
1530 | enum ofperr error = ofputil_port_stats_from_ofp11(ops, &ps13->ps); | |
1531 | if (!error) { | |
1532 | ops->duration_sec = ntohl(ps13->duration_sec); | |
1533 | ops->duration_nsec = ntohl(ps13->duration_nsec); | |
1534 | } | |
1535 | return error; | |
1536 | } | |
1537 | ||
1538 | static enum ofperr | |
1539 | parse_ofp14_port_stats_ethernet_property(const struct ofpbuf *payload, | |
1540 | struct ofputil_port_stats *ops) | |
1541 | { | |
1542 | const struct ofp14_port_stats_prop_ethernet *eth = payload->data; | |
1543 | ||
1544 | if (payload->size != sizeof *eth) { | |
1545 | return OFPERR_OFPBPC_BAD_LEN; | |
1546 | } | |
1547 | ||
1548 | ops->stats.rx_frame_errors = ntohll(eth->rx_frame_err); | |
1549 | ops->stats.rx_over_errors = ntohll(eth->rx_over_err); | |
1550 | ops->stats.rx_crc_errors = ntohll(eth->rx_crc_err); | |
1551 | ops->stats.collisions = ntohll(eth->collisions); | |
1552 | ||
1553 | return 0; | |
1554 | } | |
1555 | ||
1556 | static enum ofperr | |
1557 | parse_intel_port_stats_rfc2819_property(const struct ofpbuf *payload, | |
1558 | struct ofputil_port_stats *ops) | |
1559 | { | |
1560 | const struct intel_port_stats_rfc2819 *rfc2819 = payload->data; | |
1561 | ||
1562 | if (payload->size != sizeof *rfc2819) { | |
1563 | return OFPERR_OFPBPC_BAD_LEN; | |
1564 | } | |
1565 | ops->stats.rx_1_to_64_packets = ntohll(rfc2819->rx_1_to_64_packets); | |
1566 | ops->stats.rx_65_to_127_packets = ntohll(rfc2819->rx_65_to_127_packets); | |
1567 | ops->stats.rx_128_to_255_packets = ntohll(rfc2819->rx_128_to_255_packets); | |
1568 | ops->stats.rx_256_to_511_packets = ntohll(rfc2819->rx_256_to_511_packets); | |
1569 | ops->stats.rx_512_to_1023_packets = | |
1570 | ntohll(rfc2819->rx_512_to_1023_packets); | |
1571 | ops->stats.rx_1024_to_1522_packets = | |
1572 | ntohll(rfc2819->rx_1024_to_1522_packets); | |
1573 | ops->stats.rx_1523_to_max_packets = | |
1574 | ntohll(rfc2819->rx_1523_to_max_packets); | |
1575 | ||
1576 | ops->stats.tx_1_to_64_packets = ntohll(rfc2819->tx_1_to_64_packets); | |
1577 | ops->stats.tx_65_to_127_packets = ntohll(rfc2819->tx_65_to_127_packets); | |
1578 | ops->stats.tx_128_to_255_packets = ntohll(rfc2819->tx_128_to_255_packets); | |
1579 | ops->stats.tx_256_to_511_packets = ntohll(rfc2819->tx_256_to_511_packets); | |
1580 | ops->stats.tx_512_to_1023_packets = | |
1581 | ntohll(rfc2819->tx_512_to_1023_packets); | |
1582 | ops->stats.tx_1024_to_1522_packets = | |
1583 | ntohll(rfc2819->tx_1024_to_1522_packets); | |
1584 | ops->stats.tx_1523_to_max_packets = | |
1585 | ntohll(rfc2819->tx_1523_to_max_packets); | |
1586 | ||
1587 | ops->stats.tx_multicast_packets = ntohll(rfc2819->tx_multicast_packets); | |
1588 | ops->stats.rx_broadcast_packets = ntohll(rfc2819->rx_broadcast_packets); | |
1589 | ops->stats.tx_broadcast_packets = ntohll(rfc2819->tx_broadcast_packets); | |
1590 | ops->stats.rx_undersized_errors = ntohll(rfc2819->rx_undersized_errors); | |
1591 | ||
1592 | ops->stats.rx_oversize_errors = ntohll(rfc2819->rx_oversize_errors); | |
1593 | ops->stats.rx_fragmented_errors = ntohll(rfc2819->rx_fragmented_errors); | |
1594 | ops->stats.rx_jabber_errors = ntohll(rfc2819->rx_jabber_errors); | |
1595 | ||
1596 | return 0; | |
1597 | } | |
1598 | ||
1599 | static enum ofperr | |
1600 | parse_intel_port_custom_property(const struct ofpbuf *payload, | |
1601 | struct ofputil_port_stats *ops) | |
1602 | { | |
1603 | const struct intel_port_custom_stats *custom_stats = payload->data; | |
1604 | ||
1605 | ops->custom_stats.size = ntohs(custom_stats->stats_array_size); | |
1606 | ||
1607 | ops->custom_stats.counters = xcalloc(ops->custom_stats.size, | |
1608 | sizeof *ops->custom_stats.counters); | |
1609 | ||
1610 | uint16_t msg_size = ntohs(custom_stats->length); | |
1611 | uint16_t current_len = sizeof *custom_stats; | |
1612 | uint8_t *current = (uint8_t *)payload->data + current_len; | |
1613 | uint8_t string_size = 0; | |
1614 | uint8_t value_size = 0; | |
1615 | ovs_be64 counter_value = 0; | |
1616 | ||
1617 | for (int i = 0; i < ops->custom_stats.size; i++) { | |
1618 | current_len += string_size + value_size; | |
1619 | current += string_size + value_size; | |
1620 | ||
1621 | value_size = sizeof(uint64_t); | |
1622 | /* Counter name size */ | |
1623 | string_size = *current; | |
1624 | ||
1625 | /* Buffer overrun check */ | |
1626 | if (current_len + string_size + value_size > msg_size) { | |
1627 | VLOG_WARN_RL(&rl, "Custom statistics buffer overrun! " | |
1628 | "Further message parsing is aborted."); | |
1629 | break; | |
1630 | } | |
1631 | ||
1632 | current++; | |
1633 | current_len++; | |
1634 | ||
1635 | /* Counter name. */ | |
1636 | struct netdev_custom_counter *c = &ops->custom_stats.counters[i]; | |
1637 | size_t len = MIN(string_size, sizeof c->name - 1); | |
1638 | memcpy(c->name, current, len); | |
1639 | c->name[len] = '\0'; | |
1640 | memcpy(&counter_value, current + string_size, value_size); | |
1641 | ||
1642 | /* Counter value. */ | |
1643 | c->value = ntohll(counter_value); | |
1644 | } | |
1645 | ||
1646 | return 0; | |
1647 | } | |
1648 | ||
1649 | static enum ofperr | |
1650 | parse_intel_port_stats_property(const struct ofpbuf *payload, | |
1651 | uint32_t exp_type, | |
1652 | struct ofputil_port_stats *ops) | |
1653 | { | |
1654 | enum ofperr error; | |
1655 | ||
1656 | switch (exp_type) { | |
1657 | case INTEL_PORT_STATS_RFC2819: | |
1658 | error = parse_intel_port_stats_rfc2819_property(payload, ops); | |
1659 | break; | |
1660 | case INTEL_PORT_STATS_CUSTOM: | |
1661 | error = parse_intel_port_custom_property(payload, ops); | |
1662 | break; | |
1663 | default: | |
1664 | error = OFPERR_OFPBPC_BAD_EXP_TYPE; | |
1665 | break; | |
1666 | } | |
1667 | ||
1668 | return error; | |
1669 | } | |
1670 | ||
1671 | static enum ofperr | |
1672 | ofputil_pull_ofp14_port_stats(struct ofputil_port_stats *ops, | |
1673 | struct ofpbuf *msg) | |
1674 | { | |
1675 | const struct ofp14_port_stats *ps14 = ofpbuf_try_pull(msg, sizeof *ps14); | |
1676 | if (!ps14) { | |
1677 | return OFPERR_OFPBRC_BAD_LEN; | |
1678 | } | |
1679 | ||
1680 | size_t len = ntohs(ps14->length); | |
1681 | if (len < sizeof *ps14 || len - sizeof *ps14 > msg->size) { | |
1682 | return OFPERR_OFPBRC_BAD_LEN; | |
1683 | } | |
1684 | len -= sizeof *ps14; | |
1685 | ||
1686 | enum ofperr error = ofputil_port_from_ofp11(ps14->port_no, &ops->port_no); | |
1687 | if (error) { | |
1688 | return error; | |
1689 | } | |
1690 | ||
1691 | ops->duration_sec = ntohl(ps14->duration_sec); | |
1692 | ops->duration_nsec = ntohl(ps14->duration_nsec); | |
1693 | ops->stats.rx_packets = ntohll(ps14->rx_packets); | |
1694 | ops->stats.tx_packets = ntohll(ps14->tx_packets); | |
1695 | ops->stats.rx_bytes = ntohll(ps14->rx_bytes); | |
1696 | ops->stats.tx_bytes = ntohll(ps14->tx_bytes); | |
1697 | ops->stats.rx_dropped = ntohll(ps14->rx_dropped); | |
1698 | ops->stats.tx_dropped = ntohll(ps14->tx_dropped); | |
1699 | ops->stats.rx_errors = ntohll(ps14->rx_errors); | |
1700 | ops->stats.tx_errors = ntohll(ps14->tx_errors); | |
1701 | ||
1702 | ||
1703 | struct ofpbuf properties = ofpbuf_const_initializer(ofpbuf_pull(msg, len), | |
1704 | len); | |
1705 | while (properties.size > 0) { | |
1706 | struct ofpbuf payload; | |
1707 | uint64_t type = 0; | |
1708 | ||
1709 | error = ofpprop_pull(&properties, &payload, &type); | |
1710 | if (error) { | |
1711 | return error; | |
1712 | } | |
1713 | switch (type) { | |
1714 | case OFPPSPT14_ETHERNET: | |
1715 | error = parse_ofp14_port_stats_ethernet_property(&payload, ops); | |
1716 | break; | |
1717 | case OFPPROP_EXP(INTEL_VENDOR_ID, INTEL_PORT_STATS_RFC2819): | |
1718 | error = parse_intel_port_stats_property(&payload, | |
1719 | INTEL_PORT_STATS_RFC2819, | |
1720 | ops); | |
1721 | break; | |
1722 | case OFPPROP_EXP(INTEL_VENDOR_ID, INTEL_PORT_STATS_CUSTOM): | |
1723 | error = parse_intel_port_stats_property(&payload, | |
1724 | INTEL_PORT_STATS_CUSTOM, | |
1725 | ops); | |
1726 | break; | |
1727 | default: | |
1728 | error = OFPPROP_UNKNOWN(true, "port stats", type); | |
1729 | break; | |
1730 | } | |
1731 | ||
1732 | if (error) { | |
1733 | return error; | |
1734 | } | |
1735 | } | |
1736 | ||
1737 | return 0; | |
1738 | } | |
1739 | ||
1740 | /* Returns the number of port stats elements in OFPTYPE_PORT_STATS_REPLY | |
1741 | * message 'oh'. */ | |
1742 | size_t | |
1743 | ofputil_count_port_stats(const struct ofp_header *oh) | |
1744 | { | |
1745 | struct ofpbuf b = ofpbuf_const_initializer(oh, ntohs(oh->length)); | |
1746 | ofpraw_pull_assert(&b); | |
1747 | ||
1748 | for (size_t n = 0; ; n++) { | |
1749 | struct ofputil_port_stats ps; | |
1750 | if (ofputil_decode_port_stats(&ps, &b)) { | |
1751 | return n; | |
1752 | } | |
1753 | } | |
1754 | } | |
1755 | ||
1756 | /* Converts an OFPST_PORT_STATS reply in 'msg' into an abstract | |
1757 | * ofputil_port_stats in 'ps'. | |
1758 | * | |
1759 | * Multiple OFPST_PORT_STATS replies can be packed into a single OpenFlow | |
1760 | * message. Calling this function multiple times for a single 'msg' iterates | |
1761 | * through the replies. The caller must initially leave 'msg''s layer pointers | |
1762 | * null and not modify them between calls. | |
1763 | * | |
1764 | * Returns 0 if successful, EOF if no replies were left in this 'msg', | |
1765 | * otherwise a positive errno value. */ | |
1766 | int | |
1767 | ofputil_decode_port_stats(struct ofputil_port_stats *ps, struct ofpbuf *msg) | |
1768 | { | |
1769 | enum ofperr error; | |
1770 | enum ofpraw raw; | |
1771 | ||
1772 | memset(&(ps->stats), 0xFF, sizeof (ps->stats)); | |
1773 | memset(&(ps->custom_stats), 0, sizeof (ps->custom_stats)); | |
1774 | ||
1775 | error = (msg->header ? ofpraw_decode(&raw, msg->header) | |
1776 | : ofpraw_pull(&raw, msg)); | |
1777 | if (error) { | |
1778 | return error; | |
1779 | } | |
1780 | ||
1781 | if (!msg->size) { | |
1782 | return EOF; | |
1783 | } else if (raw == OFPRAW_OFPST14_PORT_REPLY) { | |
1784 | return ofputil_pull_ofp14_port_stats(ps, msg); | |
1785 | } else if (raw == OFPRAW_OFPST13_PORT_REPLY) { | |
1786 | const struct ofp13_port_stats *ps13; | |
1787 | ps13 = ofpbuf_try_pull(msg, sizeof *ps13); | |
1788 | if (!ps13) { | |
1789 | goto bad_len; | |
1790 | } | |
1791 | return ofputil_port_stats_from_ofp13(ps, ps13); | |
1792 | } else if (raw == OFPRAW_OFPST11_PORT_REPLY) { | |
1793 | const struct ofp11_port_stats *ps11; | |
1794 | ||
1795 | ps11 = ofpbuf_try_pull(msg, sizeof *ps11); | |
1796 | if (!ps11) { | |
1797 | goto bad_len; | |
1798 | } | |
1799 | return ofputil_port_stats_from_ofp11(ps, ps11); | |
1800 | } else if (raw == OFPRAW_OFPST10_PORT_REPLY) { | |
1801 | const struct ofp10_port_stats *ps10; | |
1802 | ||
1803 | ps10 = ofpbuf_try_pull(msg, sizeof *ps10); | |
1804 | if (!ps10) { | |
1805 | goto bad_len; | |
1806 | } | |
1807 | return ofputil_port_stats_from_ofp10(ps, ps10); | |
1808 | } else { | |
1809 | OVS_NOT_REACHED(); | |
1810 | } | |
1811 | ||
1812 | bad_len: | |
1813 | VLOG_WARN_RL(&rl, "OFPST_PORT reply has %"PRIu32" leftover " | |
1814 | "bytes at end", msg->size); | |
1815 | return OFPERR_OFPBRC_BAD_LEN; | |
1816 | } | |
1817 | ||
1818 | /* Parse a port status request message into a 16 bit OpenFlow 1.0 | |
1819 | * port number and stores the latter in '*ofp10_port'. | |
1820 | * Returns 0 if successful, otherwise an OFPERR_* number. */ | |
1821 | enum ofperr | |
1822 | ofputil_decode_port_stats_request(const struct ofp_header *request, | |
1823 | ofp_port_t *ofp10_port) | |
1824 | { | |
1825 | switch ((enum ofp_version)request->version) { | |
1826 | case OFP16_VERSION: | |
1827 | case OFP15_VERSION: | |
1828 | case OFP14_VERSION: | |
1829 | case OFP13_VERSION: | |
1830 | case OFP12_VERSION: | |
1831 | case OFP11_VERSION: { | |
1832 | const struct ofp11_port_stats_request *psr11 = ofpmsg_body(request); | |
1833 | return ofputil_port_from_ofp11(psr11->port_no, ofp10_port); | |
1834 | } | |
1835 | ||
1836 | case OFP10_VERSION: { | |
1837 | const struct ofp10_port_stats_request *psr10 = ofpmsg_body(request); | |
1838 | *ofp10_port = u16_to_ofp(ntohs(psr10->port_no)); | |
1839 | return 0; | |
1840 | } | |
1841 | ||
1842 | default: | |
1843 | OVS_NOT_REACHED(); | |
1844 | } | |
1845 | } | |
1846 |