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Commit | Line | Data |
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064af421 | 1 | /* |
48cecbdc | 2 | * Copyright (c) 2009, 2010, 2011, 2012, 2013 Nicira, Inc. |
064af421 | 3 | * |
a14bc59f BP |
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: | |
064af421 | 7 | * |
a14bc59f BP |
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. | |
064af421 BP |
15 | */ |
16 | ||
17 | #include <config.h> | |
bed69b3e | 18 | #include <arpa/inet.h> |
064af421 | 19 | #include "odp-util.h" |
36956a7d | 20 | #include <errno.h> |
064af421 | 21 | #include <inttypes.h> |
7202cbe5 | 22 | #include <math.h> |
6ca00f6f | 23 | #include <netinet/in.h> |
685a51a5 | 24 | #include <netinet/icmp6.h> |
064af421 BP |
25 | #include <stdlib.h> |
26 | #include <string.h> | |
cdee00fd | 27 | #include "byte-order.h" |
064af421 BP |
28 | #include "coverage.h" |
29 | #include "dynamic-string.h" | |
30 | #include "flow.h" | |
cdee00fd | 31 | #include "netlink.h" |
3bffc610 | 32 | #include "ofpbuf.h" |
064af421 | 33 | #include "packets.h" |
44bac24b | 34 | #include "simap.h" |
064af421 BP |
35 | #include "timeval.h" |
36 | #include "util.h" | |
34118cae BP |
37 | #include "vlog.h" |
38 | ||
39 | VLOG_DEFINE_THIS_MODULE(odp_util); | |
064af421 | 40 | |
df2c07f4 JP |
41 | /* The interface between userspace and kernel uses an "OVS_*" prefix. |
42 | * Since this is fairly non-specific for the OVS userspace components, | |
43 | * "ODP_*" (Open vSwitch Datapath) is used as the prefix for | |
44 | * interactions with the datapath. | |
45 | */ | |
46 | ||
7202cbe5 BP |
47 | /* The set of characters that may separate one action or one key attribute |
48 | * from another. */ | |
49 | static const char *delimiters = ", \t\r\n"; | |
50 | ||
e6cc0bab AZ |
51 | static int parse_odp_key_mask_attr(const char *, const struct simap *port_names, |
52 | struct ofpbuf *, struct ofpbuf *); | |
53 | static void format_odp_key_attr(const struct nlattr *a, | |
54 | const struct nlattr *ma, struct ds *ds); | |
a052b51b | 55 | |
98403001 BP |
56 | /* Returns one the following for the action with the given OVS_ACTION_ATTR_* |
57 | * 'type': | |
58 | * | |
59 | * - For an action whose argument has a fixed length, returned that | |
60 | * nonnegative length in bytes. | |
61 | * | |
62 | * - For an action with a variable-length argument, returns -2. | |
63 | * | |
64 | * - For an invalid 'type', returns -1. */ | |
4edb9ae9 | 65 | static int |
cdee00fd BP |
66 | odp_action_len(uint16_t type) |
67 | { | |
df2c07f4 | 68 | if (type > OVS_ACTION_ATTR_MAX) { |
cdee00fd BP |
69 | return -1; |
70 | } | |
71 | ||
09ded0ad | 72 | switch ((enum ovs_action_attr) type) { |
fea393b1 | 73 | case OVS_ACTION_ATTR_OUTPUT: return sizeof(uint32_t); |
98403001 | 74 | case OVS_ACTION_ATTR_USERSPACE: return -2; |
fea393b1 BP |
75 | case OVS_ACTION_ATTR_PUSH_VLAN: return sizeof(struct ovs_action_push_vlan); |
76 | case OVS_ACTION_ATTR_POP_VLAN: return 0; | |
b02475c5 SH |
77 | case OVS_ACTION_ATTR_PUSH_MPLS: return sizeof(struct ovs_action_push_mpls); |
78 | case OVS_ACTION_ATTR_POP_MPLS: return sizeof(ovs_be16); | |
4edb9ae9 | 79 | case OVS_ACTION_ATTR_SET: return -2; |
98403001 | 80 | case OVS_ACTION_ATTR_SAMPLE: return -2; |
df2c07f4 JP |
81 | |
82 | case OVS_ACTION_ATTR_UNSPEC: | |
83 | case __OVS_ACTION_ATTR_MAX: | |
cdee00fd BP |
84 | return -1; |
85 | } | |
86 | ||
87 | return -1; | |
88 | } | |
89 | ||
e6603631 BP |
90 | /* Returns a string form of 'attr'. The return value is either a statically |
91 | * allocated constant string or the 'bufsize'-byte buffer 'namebuf'. 'bufsize' | |
92 | * should be at least OVS_KEY_ATTR_BUFSIZE. */ | |
93 | enum { OVS_KEY_ATTR_BUFSIZE = 3 + INT_STRLEN(unsigned int) + 1 }; | |
744791b5 | 94 | static const char * |
e6603631 | 95 | ovs_key_attr_to_string(enum ovs_key_attr attr, char *namebuf, size_t bufsize) |
744791b5 | 96 | { |
744791b5 BP |
97 | switch (attr) { |
98 | case OVS_KEY_ATTR_UNSPEC: return "unspec"; | |
fea393b1 | 99 | case OVS_KEY_ATTR_ENCAP: return "encap"; |
1b567fb9 | 100 | case OVS_KEY_ATTR_PRIORITY: return "skb_priority"; |
72e8bf28 | 101 | case OVS_KEY_ATTR_SKB_MARK: return "skb_mark"; |
9b405f1a | 102 | case OVS_KEY_ATTR_TUNNEL: return "tunnel"; |
744791b5 BP |
103 | case OVS_KEY_ATTR_IN_PORT: return "in_port"; |
104 | case OVS_KEY_ATTR_ETHERNET: return "eth"; | |
fea393b1 | 105 | case OVS_KEY_ATTR_VLAN: return "vlan"; |
744791b5 BP |
106 | case OVS_KEY_ATTR_ETHERTYPE: return "eth_type"; |
107 | case OVS_KEY_ATTR_IPV4: return "ipv4"; | |
108 | case OVS_KEY_ATTR_IPV6: return "ipv6"; | |
109 | case OVS_KEY_ATTR_TCP: return "tcp"; | |
110 | case OVS_KEY_ATTR_UDP: return "udp"; | |
111 | case OVS_KEY_ATTR_ICMP: return "icmp"; | |
112 | case OVS_KEY_ATTR_ICMPV6: return "icmpv6"; | |
113 | case OVS_KEY_ATTR_ARP: return "arp"; | |
114 | case OVS_KEY_ATTR_ND: return "nd"; | |
b02475c5 | 115 | case OVS_KEY_ATTR_MPLS: return "mpls"; |
744791b5 BP |
116 | |
117 | case __OVS_KEY_ATTR_MAX: | |
118 | default: | |
e6603631 BP |
119 | snprintf(namebuf, bufsize, "key%u", (unsigned int) attr); |
120 | return namebuf; | |
744791b5 BP |
121 | } |
122 | } | |
123 | ||
cdee00fd BP |
124 | static void |
125 | format_generic_odp_action(struct ds *ds, const struct nlattr *a) | |
126 | { | |
8ba43fbd BP |
127 | size_t len = nl_attr_get_size(a); |
128 | ||
cdee00fd | 129 | ds_put_format(ds, "action%"PRId16, nl_attr_type(a)); |
8ba43fbd | 130 | if (len) { |
cdee00fd BP |
131 | const uint8_t *unspec; |
132 | unsigned int i; | |
133 | ||
134 | unspec = nl_attr_get(a); | |
8ba43fbd | 135 | for (i = 0; i < len; i++) { |
cdee00fd BP |
136 | ds_put_char(ds, i ? ' ': '('); |
137 | ds_put_format(ds, "%02x", unspec[i]); | |
138 | } | |
139 | ds_put_char(ds, ')'); | |
140 | } | |
141 | } | |
142 | ||
6ff686f2 PS |
143 | static void |
144 | format_odp_sample_action(struct ds *ds, const struct nlattr *attr) | |
145 | { | |
146 | static const struct nl_policy ovs_sample_policy[] = { | |
147 | [OVS_SAMPLE_ATTR_PROBABILITY] = { .type = NL_A_U32 }, | |
148 | [OVS_SAMPLE_ATTR_ACTIONS] = { .type = NL_A_NESTED } | |
149 | }; | |
150 | struct nlattr *a[ARRAY_SIZE(ovs_sample_policy)]; | |
6ff686f2 PS |
151 | double percentage; |
152 | const struct nlattr *nla_acts; | |
153 | int len; | |
154 | ||
155 | ds_put_cstr(ds, "sample"); | |
156 | ||
5621afff | 157 | if (!nl_parse_nested(attr, ovs_sample_policy, a, ARRAY_SIZE(a))) { |
6ff686f2 PS |
158 | ds_put_cstr(ds, "(error)"); |
159 | return; | |
160 | } | |
161 | ||
162 | percentage = (100.0 * nl_attr_get_u32(a[OVS_SAMPLE_ATTR_PROBABILITY])) / | |
163 | UINT32_MAX; | |
164 | ||
165 | ds_put_format(ds, "(sample=%.1f%%,", percentage); | |
166 | ||
167 | ds_put_cstr(ds, "actions("); | |
168 | nla_acts = nl_attr_get(a[OVS_SAMPLE_ATTR_ACTIONS]); | |
169 | len = nl_attr_get_size(a[OVS_SAMPLE_ATTR_ACTIONS]); | |
170 | format_odp_actions(ds, nla_acts, len); | |
171 | ds_put_format(ds, "))"); | |
172 | } | |
173 | ||
6a7e895f | 174 | static const char * |
98f0520f | 175 | slow_path_reason_to_string(enum slow_path_reason reason) |
6a7e895f | 176 | { |
98f0520f | 177 | switch (reason) { |
6a7e895f BP |
178 | case SLOW_CFM: |
179 | return "cfm"; | |
180 | case SLOW_LACP: | |
181 | return "lacp"; | |
182 | case SLOW_STP: | |
183 | return "stp"; | |
ccc09689 EJ |
184 | case SLOW_BFD: |
185 | return "bfd"; | |
6a7e895f BP |
186 | case SLOW_CONTROLLER: |
187 | return "controller"; | |
98f0520f | 188 | case __SLOW_MAX: |
6a7e895f BP |
189 | default: |
190 | return NULL; | |
191 | } | |
192 | } | |
193 | ||
98f0520f EJ |
194 | static enum slow_path_reason |
195 | string_to_slow_path_reason(const char *string) | |
196 | { | |
197 | enum slow_path_reason i; | |
198 | ||
199 | for (i = 1; i < __SLOW_MAX; i++) { | |
200 | if (!strcmp(string, slow_path_reason_to_string(i))) { | |
201 | return i; | |
202 | } | |
203 | } | |
204 | ||
205 | return 0; | |
206 | } | |
207 | ||
ec956fc7 PS |
208 | static int |
209 | parse_flags(const char *s, const char *(*bit_to_string)(uint32_t), | |
210 | uint32_t *res) | |
211 | { | |
212 | uint32_t result = 0; | |
213 | int n = 0; | |
214 | ||
215 | if (s[n] != '(') { | |
216 | return -EINVAL; | |
217 | } | |
218 | n++; | |
219 | ||
220 | while (s[n] != ')') { | |
221 | unsigned long long int flags; | |
222 | uint32_t bit; | |
223 | int n0; | |
224 | ||
225 | if (sscanf(&s[n], "%lli%n", &flags, &n0) > 0 && n0 > 0) { | |
226 | n += n0 + (s[n + n0] == ','); | |
227 | result |= flags; | |
228 | continue; | |
229 | } | |
230 | ||
231 | for (bit = 1; bit; bit <<= 1) { | |
232 | const char *name = bit_to_string(bit); | |
233 | size_t len; | |
234 | ||
235 | if (!name) { | |
236 | continue; | |
237 | } | |
238 | ||
239 | len = strlen(name); | |
240 | if (!strncmp(s + n, name, len) && | |
241 | (s[n + len] == ',' || s[n + len] == ')')) { | |
242 | result |= bit; | |
243 | n += len + (s[n + len] == ','); | |
244 | break; | |
245 | } | |
246 | } | |
247 | ||
248 | if (!bit) { | |
249 | return -EINVAL; | |
250 | } | |
251 | } | |
252 | n++; | |
253 | ||
254 | *res = result; | |
255 | return n; | |
6a7e895f BP |
256 | } |
257 | ||
98403001 BP |
258 | static void |
259 | format_odp_userspace_action(struct ds *ds, const struct nlattr *attr) | |
260 | { | |
261 | static const struct nl_policy ovs_userspace_policy[] = { | |
262 | [OVS_USERSPACE_ATTR_PID] = { .type = NL_A_U32 }, | |
e995e3df BP |
263 | [OVS_USERSPACE_ATTR_USERDATA] = { .type = NL_A_UNSPEC, |
264 | .optional = true }, | |
98403001 BP |
265 | }; |
266 | struct nlattr *a[ARRAY_SIZE(ovs_userspace_policy)]; | |
e995e3df | 267 | const struct nlattr *userdata_attr; |
98403001 BP |
268 | |
269 | if (!nl_parse_nested(attr, ovs_userspace_policy, a, ARRAY_SIZE(a))) { | |
270 | ds_put_cstr(ds, "userspace(error)"); | |
271 | return; | |
272 | } | |
273 | ||
274 | ds_put_format(ds, "userspace(pid=%"PRIu32, | |
275 | nl_attr_get_u32(a[OVS_USERSPACE_ATTR_PID])); | |
276 | ||
e995e3df | 277 | userdata_attr = a[OVS_USERSPACE_ATTR_USERDATA]; |
29089a54 RL |
278 | |
279 | if (userdata_attr) { | |
280 | const uint8_t *userdata = nl_attr_get(userdata_attr); | |
281 | size_t userdata_len = nl_attr_get_size(userdata_attr); | |
282 | bool userdata_unspec = true; | |
1673e0e4 | 283 | union user_action_cookie cookie; |
98403001 | 284 | |
29089a54 RL |
285 | if (userdata_len >= sizeof cookie.type |
286 | && userdata_len <= sizeof cookie) { | |
287 | ||
288 | memset(&cookie, 0, sizeof cookie); | |
289 | memcpy(&cookie, userdata, userdata_len); | |
290 | ||
291 | userdata_unspec = false; | |
292 | ||
293 | if (userdata_len == sizeof cookie.sflow | |
294 | && cookie.type == USER_ACTION_COOKIE_SFLOW) { | |
295 | ds_put_format(ds, ",sFlow(" | |
296 | "vid=%"PRIu16",pcp=%"PRIu8",output=%"PRIu32")", | |
297 | vlan_tci_to_vid(cookie.sflow.vlan_tci), | |
298 | vlan_tci_to_pcp(cookie.sflow.vlan_tci), | |
299 | cookie.sflow.output); | |
300 | } else if (userdata_len == sizeof cookie.slow_path | |
301 | && cookie.type == USER_ACTION_COOKIE_SLOW_PATH) { | |
98f0520f EJ |
302 | const char *reason; |
303 | reason = slow_path_reason_to_string(cookie.slow_path.reason); | |
304 | reason = reason ? reason : ""; | |
305 | ds_put_format(ds, ",slow_path(%s)", reason); | |
29089a54 RL |
306 | } else if (userdata_len == sizeof cookie.flow_sample |
307 | && cookie.type == USER_ACTION_COOKIE_FLOW_SAMPLE) { | |
308 | ds_put_format(ds, ",flow_sample(probability=%"PRIu16 | |
309 | ",collector_set_id=%"PRIu32 | |
310 | ",obs_domain_id=%"PRIu32 | |
311 | ",obs_point_id=%"PRIu32")", | |
312 | cookie.flow_sample.probability, | |
313 | cookie.flow_sample.collector_set_id, | |
314 | cookie.flow_sample.obs_domain_id, | |
315 | cookie.flow_sample.obs_point_id); | |
316 | } else if (userdata_len == sizeof cookie.ipfix | |
317 | && cookie.type == USER_ACTION_COOKIE_IPFIX) { | |
318 | ds_put_format(ds, ",ipfix"); | |
319 | } else { | |
320 | userdata_unspec = true; | |
321 | } | |
98403001 | 322 | } |
e995e3df | 323 | |
29089a54 RL |
324 | if (userdata_unspec) { |
325 | size_t i; | |
326 | ds_put_format(ds, ",userdata("); | |
327 | for (i = 0; i < userdata_len; i++) { | |
328 | ds_put_format(ds, "%02x", userdata[i]); | |
329 | } | |
330 | ds_put_char(ds, ')'); | |
e995e3df | 331 | } |
98403001 BP |
332 | } |
333 | ||
334 | ds_put_char(ds, ')'); | |
335 | } | |
336 | ||
8ddc056d BP |
337 | static void |
338 | format_vlan_tci(struct ds *ds, ovs_be16 vlan_tci) | |
339 | { | |
340 | ds_put_format(ds, "vid=%"PRIu16",pcp=%d", | |
341 | vlan_tci_to_vid(vlan_tci), | |
342 | vlan_tci_to_pcp(vlan_tci)); | |
343 | if (!(vlan_tci & htons(VLAN_CFI))) { | |
344 | ds_put_cstr(ds, ",cfi=0"); | |
345 | } | |
346 | } | |
347 | ||
b02475c5 SH |
348 | static void |
349 | format_mpls_lse(struct ds *ds, ovs_be32 mpls_lse) | |
350 | { | |
351 | ds_put_format(ds, "label=%"PRIu32",tc=%d,ttl=%d,bos=%d", | |
352 | mpls_lse_to_label(mpls_lse), | |
353 | mpls_lse_to_tc(mpls_lse), | |
354 | mpls_lse_to_ttl(mpls_lse), | |
355 | mpls_lse_to_bos(mpls_lse)); | |
356 | } | |
357 | ||
e6cc0bab AZ |
358 | static void |
359 | format_mpls(struct ds *ds, const struct ovs_key_mpls *mpls_key, | |
360 | const struct ovs_key_mpls *mpls_mask) | |
361 | { | |
362 | ovs_be32 key = mpls_key->mpls_lse; | |
363 | ||
364 | if (mpls_mask == NULL) { | |
365 | format_mpls_lse(ds, key); | |
366 | } else { | |
367 | ovs_be32 mask = mpls_mask->mpls_lse; | |
368 | ||
369 | ds_put_format(ds, "label=%"PRIu32"/0x%x,tc=%d/%x,ttl=%d/0x%x,bos=%d/%x", | |
370 | mpls_lse_to_label(key), mpls_lse_to_label(mask), | |
371 | mpls_lse_to_tc(key), mpls_lse_to_tc(mask), | |
372 | mpls_lse_to_ttl(key), mpls_lse_to_ttl(mask), | |
373 | mpls_lse_to_bos(key), mpls_lse_to_bos(mask)); | |
374 | } | |
375 | } | |
376 | ||
4edb9ae9 | 377 | static void |
cdee00fd | 378 | format_odp_action(struct ds *ds, const struct nlattr *a) |
064af421 | 379 | { |
98403001 | 380 | int expected_len; |
4edb9ae9 | 381 | enum ovs_action_attr type = nl_attr_type(a); |
fea393b1 | 382 | const struct ovs_action_push_vlan *vlan; |
cdee00fd | 383 | |
98403001 BP |
384 | expected_len = odp_action_len(nl_attr_type(a)); |
385 | if (expected_len != -2 && nl_attr_get_size(a) != expected_len) { | |
8ba43fbd | 386 | ds_put_format(ds, "bad length %zu, expected %d for: ", |
98403001 | 387 | nl_attr_get_size(a), expected_len); |
cdee00fd BP |
388 | format_generic_odp_action(ds, a); |
389 | return; | |
390 | } | |
391 | ||
4edb9ae9 | 392 | switch (type) { |
df2c07f4 | 393 | case OVS_ACTION_ATTR_OUTPUT: |
26ce7705 | 394 | ds_put_format(ds, "%"PRIu32, nl_attr_get_u32(a)); |
064af421 | 395 | break; |
df2c07f4 | 396 | case OVS_ACTION_ATTR_USERSPACE: |
98403001 | 397 | format_odp_userspace_action(ds, a); |
064af421 | 398 | break; |
4edb9ae9 PS |
399 | case OVS_ACTION_ATTR_SET: |
400 | ds_put_cstr(ds, "set("); | |
e6cc0bab | 401 | format_odp_key_attr(nl_attr_get(a), NULL, ds); |
4edb9ae9 | 402 | ds_put_cstr(ds, ")"); |
064af421 | 403 | break; |
fea393b1 BP |
404 | case OVS_ACTION_ATTR_PUSH_VLAN: |
405 | vlan = nl_attr_get(a); | |
406 | ds_put_cstr(ds, "push_vlan("); | |
407 | if (vlan->vlan_tpid != htons(ETH_TYPE_VLAN)) { | |
408 | ds_put_format(ds, "tpid=0x%04"PRIx16",", ntohs(vlan->vlan_tpid)); | |
409 | } | |
8ddc056d BP |
410 | format_vlan_tci(ds, vlan->vlan_tci); |
411 | ds_put_char(ds, ')'); | |
064af421 | 412 | break; |
fea393b1 BP |
413 | case OVS_ACTION_ATTR_POP_VLAN: |
414 | ds_put_cstr(ds, "pop_vlan"); | |
064af421 | 415 | break; |
b02475c5 SH |
416 | case OVS_ACTION_ATTR_PUSH_MPLS: { |
417 | const struct ovs_action_push_mpls *mpls = nl_attr_get(a); | |
418 | ds_put_cstr(ds, "push_mpls("); | |
419 | format_mpls_lse(ds, mpls->mpls_lse); | |
420 | ds_put_format(ds, ",eth_type=0x%"PRIx16")", ntohs(mpls->mpls_ethertype)); | |
421 | break; | |
422 | } | |
423 | case OVS_ACTION_ATTR_POP_MPLS: { | |
424 | ovs_be16 ethertype = nl_attr_get_be16(a); | |
425 | ds_put_format(ds, "pop_mpls(eth_type=0x%"PRIx16")", ntohs(ethertype)); | |
426 | break; | |
427 | } | |
6ff686f2 PS |
428 | case OVS_ACTION_ATTR_SAMPLE: |
429 | format_odp_sample_action(ds, a); | |
430 | break; | |
4edb9ae9 PS |
431 | case OVS_ACTION_ATTR_UNSPEC: |
432 | case __OVS_ACTION_ATTR_MAX: | |
064af421 | 433 | default: |
cdee00fd | 434 | format_generic_odp_action(ds, a); |
064af421 BP |
435 | break; |
436 | } | |
437 | } | |
438 | ||
439 | void | |
cdee00fd | 440 | format_odp_actions(struct ds *ds, const struct nlattr *actions, |
cf22f8cb | 441 | size_t actions_len) |
064af421 | 442 | { |
cdee00fd BP |
443 | if (actions_len) { |
444 | const struct nlattr *a; | |
445 | unsigned int left; | |
446 | ||
447 | NL_ATTR_FOR_EACH (a, left, actions, actions_len) { | |
448 | if (a != actions) { | |
449 | ds_put_char(ds, ','); | |
450 | } | |
451 | format_odp_action(ds, a); | |
064af421 | 452 | } |
cdee00fd | 453 | if (left) { |
3a8cfc50 BP |
454 | int i; |
455 | ||
3476fce3 BP |
456 | if (left == actions_len) { |
457 | ds_put_cstr(ds, "<empty>"); | |
458 | } | |
3a8cfc50 BP |
459 | ds_put_format(ds, ",***%u leftover bytes*** (", left); |
460 | for (i = 0; i < left; i++) { | |
461 | ds_put_format(ds, "%02x", ((const uint8_t *) a)[i]); | |
462 | } | |
463 | ds_put_char(ds, ')'); | |
cdee00fd BP |
464 | } |
465 | } else { | |
064af421 BP |
466 | ds_put_cstr(ds, "drop"); |
467 | } | |
468 | } | |
7202cbe5 BP |
469 | |
470 | static int | |
44bac24b | 471 | parse_odp_action(const char *s, const struct simap *port_names, |
7202cbe5 BP |
472 | struct ofpbuf *actions) |
473 | { | |
474 | /* Many of the sscanf calls in this function use oversized destination | |
475 | * fields because some sscanf() implementations truncate the range of %i | |
476 | * directives, so that e.g. "%"SCNi16 interprets input of "0xfedc" as a | |
477 | * value of 0x7fff. The other alternatives are to allow only a single | |
478 | * radix (e.g. decimal or hexadecimal) or to write more sophisticated | |
479 | * parsers. | |
480 | * | |
481 | * The tun_id parser has to use an alternative approach because there is no | |
482 | * type larger than 64 bits. */ | |
483 | ||
484 | { | |
485 | unsigned long long int port; | |
486 | int n = -1; | |
487 | ||
488 | if (sscanf(s, "%lli%n", &port, &n) > 0 && n > 0) { | |
489 | nl_msg_put_u32(actions, OVS_ACTION_ATTR_OUTPUT, port); | |
490 | return n; | |
491 | } | |
492 | } | |
493 | ||
494 | if (port_names) { | |
495 | int len = strcspn(s, delimiters); | |
44bac24b | 496 | struct simap_node *node; |
7202cbe5 | 497 | |
44bac24b | 498 | node = simap_find_len(port_names, s, len); |
7202cbe5 | 499 | if (node) { |
44bac24b | 500 | nl_msg_put_u32(actions, OVS_ACTION_ATTR_OUTPUT, node->data); |
7202cbe5 BP |
501 | return len; |
502 | } | |
503 | } | |
504 | ||
505 | { | |
506 | unsigned long long int pid; | |
36fc5f18 | 507 | unsigned long long int output; |
29089a54 RL |
508 | unsigned long long int probability; |
509 | unsigned long long int collector_set_id; | |
510 | unsigned long long int obs_domain_id; | |
511 | unsigned long long int obs_point_id; | |
7202cbe5 BP |
512 | int vid, pcp; |
513 | int n = -1; | |
514 | ||
515 | if (sscanf(s, "userspace(pid=%lli)%n", &pid, &n) > 0 && n > 0) { | |
e995e3df | 516 | odp_put_userspace_action(pid, NULL, 0, actions); |
7202cbe5 | 517 | return n; |
6a7e895f BP |
518 | } else if (sscanf(s, "userspace(pid=%lli,sFlow(vid=%i," |
519 | "pcp=%i,output=%lli))%n", | |
36fc5f18 | 520 | &pid, &vid, &pcp, &output, &n) > 0 && n > 0) { |
1673e0e4 | 521 | union user_action_cookie cookie; |
7202cbe5 BP |
522 | uint16_t tci; |
523 | ||
524 | tci = vid | (pcp << VLAN_PCP_SHIFT); | |
525 | if (tci) { | |
526 | tci |= VLAN_CFI; | |
527 | } | |
528 | ||
529 | cookie.type = USER_ACTION_COOKIE_SFLOW; | |
1673e0e4 BP |
530 | cookie.sflow.vlan_tci = htons(tci); |
531 | cookie.sflow.output = output; | |
29089a54 RL |
532 | odp_put_userspace_action(pid, &cookie, sizeof cookie.sflow, |
533 | actions); | |
6a7e895f | 534 | return n; |
98f0520f | 535 | } else if (sscanf(s, "userspace(pid=%lli,slow_path(%n", &pid, &n) > 0 |
6a7e895f BP |
536 | && n > 0) { |
537 | union user_action_cookie cookie; | |
98f0520f EJ |
538 | char reason[32]; |
539 | ||
540 | if (s[n] == ')' && s[n + 1] == ')') { | |
541 | reason[0] = '\0'; | |
542 | n += 2; | |
543 | } else if (sscanf(s + n, "%31[^)]))", reason) > 0) { | |
544 | n += strlen(reason) + 2; | |
545 | } else { | |
546 | return -EINVAL; | |
547 | } | |
6a7e895f BP |
548 | |
549 | cookie.type = USER_ACTION_COOKIE_SLOW_PATH; | |
550 | cookie.slow_path.unused = 0; | |
98f0520f | 551 | cookie.slow_path.reason = string_to_slow_path_reason(reason); |
6a7e895f | 552 | |
98f0520f | 553 | if (reason[0] && !cookie.slow_path.reason) { |
6a7e895f BP |
554 | return -EINVAL; |
555 | } | |
6a7e895f | 556 | |
29089a54 RL |
557 | odp_put_userspace_action(pid, &cookie, sizeof cookie.slow_path, |
558 | actions); | |
559 | return n; | |
560 | } else if (sscanf(s, "userspace(pid=%lli,flow_sample(probability=%lli," | |
561 | "collector_set_id=%lli,obs_domain_id=%lli," | |
562 | "obs_point_id=%lli))%n", | |
563 | &pid, &probability, &collector_set_id, | |
564 | &obs_domain_id, &obs_point_id, &n) > 0 && n > 0) { | |
565 | union user_action_cookie cookie; | |
566 | ||
567 | cookie.type = USER_ACTION_COOKIE_FLOW_SAMPLE; | |
568 | cookie.flow_sample.probability = probability; | |
569 | cookie.flow_sample.collector_set_id = collector_set_id; | |
570 | cookie.flow_sample.obs_domain_id = obs_domain_id; | |
571 | cookie.flow_sample.obs_point_id = obs_point_id; | |
572 | odp_put_userspace_action(pid, &cookie, sizeof cookie.flow_sample, | |
573 | actions); | |
7202cbe5 | 574 | return n; |
29089a54 RL |
575 | } else if (sscanf(s, "userspace(pid=%lli,ipfix)%n", &pid, &n) > 0 |
576 | && n > 0) { | |
577 | union user_action_cookie cookie; | |
7202cbe5 | 578 | |
29089a54 RL |
579 | cookie.type = USER_ACTION_COOKIE_IPFIX; |
580 | odp_put_userspace_action(pid, &cookie, sizeof cookie.ipfix, | |
e995e3df | 581 | actions); |
7202cbe5 | 582 | return n; |
e995e3df BP |
583 | } else if (sscanf(s, "userspace(pid=%lli,userdata(%n", &pid, &n) > 0 |
584 | && n > 0) { | |
585 | struct ofpbuf buf; | |
586 | char *end; | |
587 | ||
588 | ofpbuf_init(&buf, 16); | |
589 | end = ofpbuf_put_hex(&buf, &s[n], NULL); | |
590 | if (end[0] == ')' && end[1] == ')') { | |
591 | odp_put_userspace_action(pid, buf.data, buf.size, actions); | |
592 | ofpbuf_uninit(&buf); | |
593 | return (end + 2) - s; | |
594 | } | |
7202cbe5 BP |
595 | } |
596 | } | |
597 | ||
598 | if (!strncmp(s, "set(", 4)) { | |
599 | size_t start_ofs; | |
600 | int retval; | |
601 | ||
602 | start_ofs = nl_msg_start_nested(actions, OVS_ACTION_ATTR_SET); | |
e6cc0bab | 603 | retval = parse_odp_key_mask_attr(s + 4, port_names, actions, NULL); |
7202cbe5 BP |
604 | if (retval < 0) { |
605 | return retval; | |
606 | } | |
607 | if (s[retval + 4] != ')') { | |
608 | return -EINVAL; | |
609 | } | |
610 | nl_msg_end_nested(actions, start_ofs); | |
611 | return retval + 5; | |
612 | } | |
613 | ||
becffb86 BP |
614 | { |
615 | struct ovs_action_push_vlan push; | |
616 | int tpid = ETH_TYPE_VLAN; | |
617 | int vid, pcp; | |
618 | int cfi = 1; | |
619 | int n = -1; | |
7202cbe5 | 620 | |
becffb86 BP |
621 | if ((sscanf(s, "push_vlan(vid=%i,pcp=%i)%n", &vid, &pcp, &n) > 0 |
622 | && n > 0) | |
623 | || (sscanf(s, "push_vlan(vid=%i,pcp=%i,cfi=%i)%n", | |
624 | &vid, &pcp, &cfi, &n) > 0 && n > 0) | |
625 | || (sscanf(s, "push_vlan(tpid=%i,vid=%i,pcp=%i)%n", | |
626 | &tpid, &vid, &pcp, &n) > 0 && n > 0) | |
627 | || (sscanf(s, "push_vlan(tpid=%i,vid=%i,pcp=%i,cfi=%i)%n", | |
628 | &tpid, &vid, &pcp, &cfi, &n) > 0 && n > 0)) { | |
629 | push.vlan_tpid = htons(tpid); | |
630 | push.vlan_tci = htons((vid << VLAN_VID_SHIFT) | |
631 | | (pcp << VLAN_PCP_SHIFT) | |
632 | | (cfi ? VLAN_CFI : 0)); | |
633 | nl_msg_put_unspec(actions, OVS_ACTION_ATTR_PUSH_VLAN, | |
634 | &push, sizeof push); | |
635 | ||
636 | return n; | |
7202cbe5 | 637 | } |
7202cbe5 BP |
638 | } |
639 | ||
becffb86 BP |
640 | if (!strncmp(s, "pop_vlan", 8)) { |
641 | nl_msg_put_flag(actions, OVS_ACTION_ATTR_POP_VLAN); | |
642 | return 8; | |
7202cbe5 BP |
643 | } |
644 | ||
645 | { | |
646 | double percentage; | |
647 | int n = -1; | |
648 | ||
649 | if (sscanf(s, "sample(sample=%lf%%,actions(%n", &percentage, &n) > 0 | |
650 | && percentage >= 0. && percentage <= 100.0 | |
651 | && n > 0) { | |
652 | size_t sample_ofs, actions_ofs; | |
653 | double probability; | |
654 | ||
655 | probability = floor(UINT32_MAX * (percentage / 100.0) + .5); | |
656 | sample_ofs = nl_msg_start_nested(actions, OVS_ACTION_ATTR_SAMPLE); | |
657 | nl_msg_put_u32(actions, OVS_SAMPLE_ATTR_PROBABILITY, | |
658 | (probability <= 0 ? 0 | |
659 | : probability >= UINT32_MAX ? UINT32_MAX | |
660 | : probability)); | |
661 | ||
662 | actions_ofs = nl_msg_start_nested(actions, | |
663 | OVS_SAMPLE_ATTR_ACTIONS); | |
664 | for (;;) { | |
665 | int retval; | |
666 | ||
79d4ffe2 | 667 | n += strspn(s + n, delimiters); |
7202cbe5 BP |
668 | if (s[n] == ')') { |
669 | break; | |
670 | } | |
671 | ||
672 | retval = parse_odp_action(s + n, port_names, actions); | |
673 | if (retval < 0) { | |
674 | return retval; | |
675 | } | |
676 | n += retval; | |
7202cbe5 BP |
677 | } |
678 | nl_msg_end_nested(actions, actions_ofs); | |
679 | nl_msg_end_nested(actions, sample_ofs); | |
680 | ||
681 | return s[n + 1] == ')' ? n + 2 : -EINVAL; | |
682 | } | |
683 | } | |
684 | ||
685 | return -EINVAL; | |
686 | } | |
687 | ||
688 | /* Parses the string representation of datapath actions, in the format output | |
689 | * by format_odp_action(). Returns 0 if successful, otherwise a positive errno | |
690 | * value. On success, the ODP actions are appended to 'actions' as a series of | |
691 | * Netlink attributes. On failure, no data is appended to 'actions'. Either | |
692 | * way, 'actions''s data might be reallocated. */ | |
693 | int | |
44bac24b | 694 | odp_actions_from_string(const char *s, const struct simap *port_names, |
7202cbe5 BP |
695 | struct ofpbuf *actions) |
696 | { | |
697 | size_t old_size; | |
698 | ||
699 | if (!strcasecmp(s, "drop")) { | |
700 | return 0; | |
701 | } | |
702 | ||
703 | old_size = actions->size; | |
704 | for (;;) { | |
705 | int retval; | |
706 | ||
707 | s += strspn(s, delimiters); | |
708 | if (!*s) { | |
709 | return 0; | |
710 | } | |
711 | ||
712 | retval = parse_odp_action(s, port_names, actions); | |
713 | if (retval < 0 || !strchr(delimiters, s[retval])) { | |
714 | actions->size = old_size; | |
715 | return -retval; | |
716 | } | |
717 | s += retval; | |
718 | } | |
719 | ||
720 | return 0; | |
721 | } | |
14608a15 | 722 | \f |
36956a7d | 723 | /* Returns the correct length of the payload for a flow key attribute of the |
fea393b1 BP |
724 | * specified 'type', -1 if 'type' is unknown, or -2 if the attribute's payload |
725 | * is variable length. */ | |
36956a7d BP |
726 | static int |
727 | odp_flow_key_attr_len(uint16_t type) | |
728 | { | |
df2c07f4 | 729 | if (type > OVS_KEY_ATTR_MAX) { |
36956a7d BP |
730 | return -1; |
731 | } | |
732 | ||
09ded0ad | 733 | switch ((enum ovs_key_attr) type) { |
fea393b1 | 734 | case OVS_KEY_ATTR_ENCAP: return -2; |
abff858b | 735 | case OVS_KEY_ATTR_PRIORITY: return 4; |
72e8bf28 | 736 | case OVS_KEY_ATTR_SKB_MARK: return 4; |
9b405f1a | 737 | case OVS_KEY_ATTR_TUNNEL: return -2; |
df2c07f4 JP |
738 | case OVS_KEY_ATTR_IN_PORT: return 4; |
739 | case OVS_KEY_ATTR_ETHERNET: return sizeof(struct ovs_key_ethernet); | |
fea393b1 | 740 | case OVS_KEY_ATTR_VLAN: return sizeof(ovs_be16); |
df2c07f4 | 741 | case OVS_KEY_ATTR_ETHERTYPE: return 2; |
b02475c5 | 742 | case OVS_KEY_ATTR_MPLS: return sizeof(struct ovs_key_mpls); |
df2c07f4 JP |
743 | case OVS_KEY_ATTR_IPV4: return sizeof(struct ovs_key_ipv4); |
744 | case OVS_KEY_ATTR_IPV6: return sizeof(struct ovs_key_ipv6); | |
745 | case OVS_KEY_ATTR_TCP: return sizeof(struct ovs_key_tcp); | |
746 | case OVS_KEY_ATTR_UDP: return sizeof(struct ovs_key_udp); | |
747 | case OVS_KEY_ATTR_ICMP: return sizeof(struct ovs_key_icmp); | |
748 | case OVS_KEY_ATTR_ICMPV6: return sizeof(struct ovs_key_icmpv6); | |
749 | case OVS_KEY_ATTR_ARP: return sizeof(struct ovs_key_arp); | |
750 | case OVS_KEY_ATTR_ND: return sizeof(struct ovs_key_nd); | |
751 | ||
752 | case OVS_KEY_ATTR_UNSPEC: | |
753 | case __OVS_KEY_ATTR_MAX: | |
36956a7d BP |
754 | return -1; |
755 | } | |
756 | ||
757 | return -1; | |
758 | } | |
759 | ||
36956a7d BP |
760 | static void |
761 | format_generic_odp_key(const struct nlattr *a, struct ds *ds) | |
762 | { | |
763 | size_t len = nl_attr_get_size(a); | |
36956a7d BP |
764 | if (len) { |
765 | const uint8_t *unspec; | |
766 | unsigned int i; | |
767 | ||
768 | unspec = nl_attr_get(a); | |
769 | for (i = 0; i < len; i++) { | |
e6cc0bab AZ |
770 | if (i) { |
771 | ds_put_char(ds, ' '); | |
772 | } | |
36956a7d BP |
773 | ds_put_format(ds, "%02x", unspec[i]); |
774 | } | |
36956a7d BP |
775 | } |
776 | } | |
777 | ||
7257b535 BP |
778 | static const char * |
779 | ovs_frag_type_to_string(enum ovs_frag_type type) | |
780 | { | |
781 | switch (type) { | |
782 | case OVS_FRAG_TYPE_NONE: | |
783 | return "no"; | |
784 | case OVS_FRAG_TYPE_FIRST: | |
785 | return "first"; | |
786 | case OVS_FRAG_TYPE_LATER: | |
787 | return "later"; | |
788 | case __OVS_FRAG_TYPE_MAX: | |
789 | default: | |
790 | return "<error>"; | |
791 | } | |
792 | } | |
793 | ||
9b405f1a PS |
794 | static int |
795 | tunnel_key_attr_len(int type) | |
29c7a2b2 | 796 | { |
9b405f1a PS |
797 | switch (type) { |
798 | case OVS_TUNNEL_KEY_ATTR_ID: return 8; | |
799 | case OVS_TUNNEL_KEY_ATTR_IPV4_SRC: return 4; | |
800 | case OVS_TUNNEL_KEY_ATTR_IPV4_DST: return 4; | |
801 | case OVS_TUNNEL_KEY_ATTR_TOS: return 1; | |
802 | case OVS_TUNNEL_KEY_ATTR_TTL: return 1; | |
803 | case OVS_TUNNEL_KEY_ATTR_DONT_FRAGMENT: return 0; | |
804 | case OVS_TUNNEL_KEY_ATTR_CSUM: return 0; | |
805 | case __OVS_TUNNEL_KEY_ATTR_MAX: | |
806 | return -1; | |
29c7a2b2 | 807 | } |
9b405f1a PS |
808 | return -1; |
809 | } | |
810 | ||
617e10e7 SH |
811 | enum odp_key_fitness |
812 | odp_tun_key_from_attr(const struct nlattr *attr, struct flow_tnl *tun) | |
9b405f1a PS |
813 | { |
814 | unsigned int left; | |
815 | const struct nlattr *a; | |
816 | bool ttl = false; | |
817 | bool unknown = false; | |
818 | ||
819 | NL_NESTED_FOR_EACH(a, left, attr) { | |
820 | uint16_t type = nl_attr_type(a); | |
821 | size_t len = nl_attr_get_size(a); | |
822 | int expected_len = tunnel_key_attr_len(type); | |
823 | ||
824 | if (len != expected_len && expected_len >= 0) { | |
825 | return ODP_FIT_ERROR; | |
826 | } | |
827 | ||
828 | switch (type) { | |
829 | case OVS_TUNNEL_KEY_ATTR_ID: | |
830 | tun->tun_id = nl_attr_get_be64(a); | |
831 | tun->flags |= FLOW_TNL_F_KEY; | |
832 | break; | |
833 | case OVS_TUNNEL_KEY_ATTR_IPV4_SRC: | |
834 | tun->ip_src = nl_attr_get_be32(a); | |
835 | break; | |
836 | case OVS_TUNNEL_KEY_ATTR_IPV4_DST: | |
837 | tun->ip_dst = nl_attr_get_be32(a); | |
838 | break; | |
839 | case OVS_TUNNEL_KEY_ATTR_TOS: | |
840 | tun->ip_tos = nl_attr_get_u8(a); | |
841 | break; | |
842 | case OVS_TUNNEL_KEY_ATTR_TTL: | |
843 | tun->ip_ttl = nl_attr_get_u8(a); | |
844 | ttl = true; | |
845 | break; | |
846 | case OVS_TUNNEL_KEY_ATTR_DONT_FRAGMENT: | |
847 | tun->flags |= FLOW_TNL_F_DONT_FRAGMENT; | |
848 | break; | |
849 | case OVS_TUNNEL_KEY_ATTR_CSUM: | |
850 | tun->flags |= FLOW_TNL_F_CSUM; | |
851 | break; | |
852 | default: | |
853 | /* Allow this to show up as unexpected, if there are unknown | |
854 | * tunnel attribute, eventually resulting in ODP_FIT_TOO_MUCH. */ | |
855 | unknown = true; | |
856 | break; | |
857 | } | |
858 | } | |
859 | ||
860 | if (!ttl) { | |
861 | return ODP_FIT_ERROR; | |
862 | } | |
863 | if (unknown) { | |
864 | return ODP_FIT_TOO_MUCH; | |
865 | } | |
866 | return ODP_FIT_PERFECT; | |
867 | } | |
868 | ||
869 | static void | |
870 | tun_key_to_attr(struct ofpbuf *a, const struct flow_tnl *tun_key) | |
871 | { | |
872 | size_t tun_key_ofs; | |
873 | ||
874 | tun_key_ofs = nl_msg_start_nested(a, OVS_KEY_ATTR_TUNNEL); | |
875 | ||
876 | if (tun_key->flags & FLOW_TNL_F_KEY) { | |
877 | nl_msg_put_be64(a, OVS_TUNNEL_KEY_ATTR_ID, tun_key->tun_id); | |
878 | } | |
879 | if (tun_key->ip_src) { | |
880 | nl_msg_put_be32(a, OVS_TUNNEL_KEY_ATTR_IPV4_SRC, tun_key->ip_src); | |
881 | } | |
882 | if (tun_key->ip_dst) { | |
883 | nl_msg_put_be32(a, OVS_TUNNEL_KEY_ATTR_IPV4_DST, tun_key->ip_dst); | |
884 | } | |
885 | if (tun_key->ip_tos) { | |
886 | nl_msg_put_u8(a, OVS_TUNNEL_KEY_ATTR_TOS, tun_key->ip_tos); | |
887 | } | |
888 | nl_msg_put_u8(a, OVS_TUNNEL_KEY_ATTR_TTL, tun_key->ip_ttl); | |
889 | if (tun_key->flags & FLOW_TNL_F_DONT_FRAGMENT) { | |
890 | nl_msg_put_flag(a, OVS_TUNNEL_KEY_ATTR_DONT_FRAGMENT); | |
891 | } | |
892 | if (tun_key->flags & FLOW_TNL_F_CSUM) { | |
893 | nl_msg_put_flag(a, OVS_TUNNEL_KEY_ATTR_CSUM); | |
894 | } | |
895 | ||
896 | nl_msg_end_nested(a, tun_key_ofs); | |
29c7a2b2 PS |
897 | } |
898 | ||
e6cc0bab AZ |
899 | static bool |
900 | odp_mask_attr_is_exact(const struct nlattr *ma) | |
901 | { | |
902 | bool is_exact = false; | |
903 | enum ovs_key_attr attr = nl_attr_type(ma); | |
904 | ||
905 | if (attr == OVS_KEY_ATTR_TUNNEL) { | |
906 | /* XXX this is a hack for now. Should change | |
907 | * the exact match dection to per field | |
908 | * instead of per attribute. | |
909 | */ | |
910 | struct flow_tnl tun_mask; | |
911 | memset(&tun_mask, 0, sizeof tun_mask); | |
912 | odp_tun_key_from_attr(ma, &tun_mask); | |
913 | if (tun_mask.flags == (FLOW_TNL_F_KEY | |
914 | | FLOW_TNL_F_DONT_FRAGMENT | |
915 | | FLOW_TNL_F_CSUM)) { | |
916 | /* The flags are exact match, check the remaining fields. */ | |
917 | tun_mask.flags = 0xffff; | |
918 | is_exact = is_all_ones((uint8_t *)&tun_mask, | |
919 | offsetof(struct flow_tnl, ip_ttl)); | |
920 | } | |
921 | } else { | |
922 | is_exact = is_all_ones(nl_attr_get(ma), nl_attr_get_size(ma)); | |
923 | } | |
924 | ||
925 | return is_exact; | |
926 | } | |
927 | ||
928 | ||
36956a7d | 929 | static void |
e6cc0bab AZ |
930 | format_odp_key_attr(const struct nlattr *a, const struct nlattr *ma, |
931 | struct ds *ds) | |
36956a7d | 932 | { |
9b405f1a | 933 | struct flow_tnl tun_key; |
7a8e9ed2 | 934 | enum ovs_key_attr attr = nl_attr_type(a); |
e6603631 | 935 | char namebuf[OVS_KEY_ATTR_BUFSIZE]; |
fea393b1 | 936 | int expected_len; |
36956a7d | 937 | |
e6cc0bab AZ |
938 | if (ma && odp_mask_attr_is_exact(ma)) { |
939 | ma = NULL; | |
940 | } | |
941 | ||
e6603631 | 942 | ds_put_cstr(ds, ovs_key_attr_to_string(attr, namebuf, sizeof namebuf)); |
e6cc0bab AZ |
943 | |
944 | { | |
945 | expected_len = odp_flow_key_attr_len(nl_attr_type(a)); | |
946 | if (expected_len != -2) { | |
947 | bool bad_key_len = nl_attr_get_size(a) != expected_len; | |
948 | bool bad_mask_len = ma && nl_attr_get_size(a) != expected_len; | |
949 | ||
950 | if (bad_key_len || bad_mask_len) { | |
951 | if (bad_key_len) { | |
952 | ds_put_format(ds, "(bad key length %zu, expected %d)(", | |
953 | nl_attr_get_size(a), | |
954 | odp_flow_key_attr_len(nl_attr_type(a))); | |
955 | } | |
956 | format_generic_odp_key(a, ds); | |
957 | if (bad_mask_len) { | |
958 | ds_put_char(ds, '/'); | |
959 | ds_put_format(ds, "(bad mask length %zu, expected %d)(", | |
960 | nl_attr_get_size(ma), | |
961 | odp_flow_key_attr_len(nl_attr_type(ma))); | |
962 | } | |
963 | format_generic_odp_key(ma, ds); | |
964 | ds_put_char(ds, ')'); | |
965 | return; | |
966 | } | |
967 | } | |
36956a7d BP |
968 | } |
969 | ||
e6cc0bab | 970 | ds_put_char(ds, '('); |
7a8e9ed2 | 971 | switch (attr) { |
fea393b1 | 972 | case OVS_KEY_ATTR_ENCAP: |
e6cc0bab AZ |
973 | if (ma && nl_attr_get_size(ma) && nl_attr_get_size(a)) { |
974 | odp_flow_format(nl_attr_get(a), nl_attr_get_size(a), | |
975 | nl_attr_get(ma), nl_attr_get_size(ma), ds); | |
976 | } else if (nl_attr_get_size(a)) { | |
977 | odp_flow_format(nl_attr_get(a), nl_attr_get_size(a), NULL, 0, ds); | |
fea393b1 | 978 | } |
fea393b1 BP |
979 | break; |
980 | ||
abff858b | 981 | case OVS_KEY_ATTR_PRIORITY: |
72e8bf28 | 982 | case OVS_KEY_ATTR_SKB_MARK: |
e6cc0bab AZ |
983 | ds_put_format(ds, "%#"PRIx32, nl_attr_get_u32(a)); |
984 | if (ma) { | |
985 | ds_put_format(ds, "/%#"PRIx32, nl_attr_get_u32(ma)); | |
986 | } | |
72e8bf28 AA |
987 | break; |
988 | ||
9b405f1a PS |
989 | case OVS_KEY_ATTR_TUNNEL: |
990 | memset(&tun_key, 0, sizeof tun_key); | |
617e10e7 | 991 | if (odp_tun_key_from_attr(a, &tun_key) == ODP_FIT_ERROR) { |
e6cc0bab AZ |
992 | ds_put_format(ds, "error"); |
993 | } else if (ma) { | |
994 | struct flow_tnl tun_mask; | |
995 | ||
996 | memset(&tun_mask, 0, sizeof tun_mask); | |
997 | odp_tun_key_from_attr(ma, &tun_mask); | |
998 | ds_put_format(ds, "tun_id=%#"PRIx64"/%#"PRIx64 | |
999 | ",src="IP_FMT"/"IP_FMT",dst="IP_FMT"/"IP_FMT | |
1000 | ",tos=%#"PRIx8"/%#"PRIx8",ttl=%"PRIu8"/%#"PRIx8 | |
1001 | ",flags(", | |
1002 | ntohll(tun_key.tun_id), ntohll(tun_mask.tun_id), | |
1003 | IP_ARGS(tun_key.ip_src), IP_ARGS(tun_mask.ip_src), | |
1004 | IP_ARGS(tun_key.ip_dst), IP_ARGS(tun_mask.ip_dst), | |
1005 | tun_key.ip_tos, tun_mask.ip_tos, | |
1006 | tun_key.ip_ttl, tun_mask.ip_ttl); | |
1007 | ||
1008 | format_flags(ds, flow_tun_flag_to_string, tun_key.flags, ','); | |
1009 | ||
1010 | /* XXX This code is correct, but enabling it would break the unit | |
1011 | test. Disable it for now until the input parser is fixed. | |
1012 | ||
1013 | ds_put_char(ds, '/'); | |
1014 | format_flags(ds, flow_tun_flag_to_string, tun_mask.flags, ','); | |
1015 | */ | |
1016 | ds_put_char(ds, ')'); | |
9b405f1a | 1017 | } else { |
e6cc0bab | 1018 | ds_put_format(ds, "tun_id=0x%"PRIx64",src="IP_FMT",dst="IP_FMT"," |
9b405f1a PS |
1019 | "tos=0x%"PRIx8",ttl=%"PRIu8",flags(", |
1020 | ntohll(tun_key.tun_id), | |
1021 | IP_ARGS(tun_key.ip_src), | |
1022 | IP_ARGS(tun_key.ip_dst), | |
1023 | tun_key.ip_tos, tun_key.ip_ttl); | |
1024 | ||
e6cc0bab AZ |
1025 | format_flags(ds, flow_tun_flag_to_string, tun_key.flags, ','); |
1026 | ds_put_char(ds, ')'); | |
9b405f1a | 1027 | } |
356af50b KM |
1028 | break; |
1029 | ||
df2c07f4 | 1030 | case OVS_KEY_ATTR_IN_PORT: |
e6cc0bab AZ |
1031 | ds_put_format(ds, "%"PRIu32, nl_attr_get_u32(a)); |
1032 | if (ma) { | |
1033 | ds_put_format(ds, "/%#"PRIx32, nl_attr_get_u32(ma)); | |
1034 | } | |
36956a7d BP |
1035 | break; |
1036 | ||
df2c07f4 | 1037 | case OVS_KEY_ATTR_ETHERNET: |
e6cc0bab AZ |
1038 | if (ma) { |
1039 | const struct ovs_key_ethernet *eth_mask = nl_attr_get(ma); | |
1040 | const struct ovs_key_ethernet *eth_key = nl_attr_get(a); | |
1041 | ||
1042 | ds_put_format(ds, "src="ETH_ADDR_FMT"/"ETH_ADDR_FMT | |
1043 | ",dst="ETH_ADDR_FMT"/"ETH_ADDR_FMT, | |
1044 | ETH_ADDR_ARGS(eth_key->eth_src), | |
1045 | ETH_ADDR_ARGS(eth_mask->eth_src), | |
1046 | ETH_ADDR_ARGS(eth_key->eth_dst), | |
1047 | ETH_ADDR_ARGS(eth_mask->eth_dst)); | |
1048 | } else { | |
1049 | const struct ovs_key_ethernet *eth_key = nl_attr_get(a); | |
1050 | ||
1051 | ds_put_format(ds, "src="ETH_ADDR_FMT",dst="ETH_ADDR_FMT, | |
1052 | ETH_ADDR_ARGS(eth_key->eth_src), | |
1053 | ETH_ADDR_ARGS(eth_key->eth_dst)); | |
1054 | } | |
36956a7d BP |
1055 | break; |
1056 | ||
fea393b1 | 1057 | case OVS_KEY_ATTR_VLAN: |
e6cc0bab AZ |
1058 | { |
1059 | ovs_be16 vlan_tci = nl_attr_get_be16(a); | |
1060 | if (ma) { | |
1061 | ovs_be16 mask = nl_attr_get_be16(ma); | |
1062 | ds_put_format(ds, "vid=%"PRIu16"/%"PRIx16",pcp=%d/0x%x,cfi=%d/%d", | |
1063 | vlan_tci_to_vid(vlan_tci), | |
1064 | vlan_tci_to_vid(mask), | |
1065 | vlan_tci_to_pcp(vlan_tci), | |
1066 | vlan_tci_to_vid(mask), | |
1067 | vlan_tci_to_cfi(vlan_tci), | |
1068 | vlan_tci_to_cfi(mask)); | |
1069 | } else { | |
1070 | format_vlan_tci(ds, vlan_tci); | |
1071 | } | |
1072 | } | |
36956a7d BP |
1073 | break; |
1074 | ||
b02475c5 SH |
1075 | case OVS_KEY_ATTR_MPLS: { |
1076 | const struct ovs_key_mpls *mpls_key = nl_attr_get(a); | |
e6cc0bab AZ |
1077 | const struct ovs_key_mpls *mpls_mask = NULL; |
1078 | if (ma) { | |
1079 | mpls_mask = nl_attr_get(ma); | |
1080 | } | |
1081 | format_mpls(ds, mpls_key, mpls_mask); | |
b02475c5 SH |
1082 | break; |
1083 | } | |
1084 | ||
df2c07f4 | 1085 | case OVS_KEY_ATTR_ETHERTYPE: |
e6cc0bab AZ |
1086 | ds_put_format(ds, "0x%04"PRIx16, ntohs(nl_attr_get_be16(a))); |
1087 | if (ma) { | |
1088 | ds_put_format(ds, "/0x%04"PRIx16, ntohs(nl_attr_get_be16(ma))); | |
1089 | } | |
36956a7d BP |
1090 | break; |
1091 | ||
df2c07f4 | 1092 | case OVS_KEY_ATTR_IPV4: |
e6cc0bab AZ |
1093 | if (ma) { |
1094 | const struct ovs_key_ipv4 *ipv4_key = nl_attr_get(a); | |
1095 | const struct ovs_key_ipv4 *ipv4_mask = nl_attr_get(ma); | |
1096 | ||
1097 | ds_put_format(ds, "src="IP_FMT"/"IP_FMT",dst="IP_FMT"/"IP_FMT | |
1098 | ",proto=%"PRIu8"/%#"PRIx8",tos=%#"PRIx8"/%#"PRIx8 | |
1099 | ",ttl=%"PRIu8"/%#"PRIx8",frag=%s/%#"PRIx8, | |
1100 | IP_ARGS(ipv4_key->ipv4_src), | |
1101 | IP_ARGS(ipv4_mask->ipv4_src), | |
1102 | IP_ARGS(ipv4_key->ipv4_dst), | |
1103 | IP_ARGS(ipv4_mask->ipv4_dst), | |
1104 | ipv4_key->ipv4_proto, ipv4_mask->ipv4_proto, | |
1105 | ipv4_key->ipv4_tos, ipv4_mask->ipv4_tos, | |
1106 | ipv4_key->ipv4_ttl, ipv4_mask->ipv4_ttl, | |
1107 | ovs_frag_type_to_string(ipv4_key->ipv4_frag), | |
1108 | ipv4_mask->ipv4_frag); | |
1109 | } else { | |
1110 | const struct ovs_key_ipv4 *ipv4_key = nl_attr_get(a); | |
1111 | ||
1112 | ds_put_format(ds, "src="IP_FMT",dst="IP_FMT",proto=%"PRIu8 | |
1113 | ",tos=%#"PRIx8",ttl=%"PRIu8",frag=%s", | |
1114 | IP_ARGS(ipv4_key->ipv4_src), | |
1115 | IP_ARGS(ipv4_key->ipv4_dst), | |
1116 | ipv4_key->ipv4_proto, ipv4_key->ipv4_tos, | |
1117 | ipv4_key->ipv4_ttl, | |
1118 | ovs_frag_type_to_string(ipv4_key->ipv4_frag)); | |
1119 | } | |
36956a7d BP |
1120 | break; |
1121 | ||
e6cc0bab AZ |
1122 | case OVS_KEY_ATTR_IPV6: |
1123 | if (ma) { | |
1124 | const struct ovs_key_ipv6 *ipv6_key, *ipv6_mask; | |
1125 | char src_str[INET6_ADDRSTRLEN]; | |
1126 | char dst_str[INET6_ADDRSTRLEN]; | |
1127 | char src_mask[INET6_ADDRSTRLEN]; | |
1128 | char dst_mask[INET6_ADDRSTRLEN]; | |
1129 | ||
1130 | ipv6_key = nl_attr_get(a); | |
1131 | inet_ntop(AF_INET6, ipv6_key->ipv6_src, src_str, sizeof src_str); | |
1132 | inet_ntop(AF_INET6, ipv6_key->ipv6_dst, dst_str, sizeof dst_str); | |
1133 | ||
1134 | ipv6_mask = nl_attr_get(ma); | |
1135 | inet_ntop(AF_INET6, ipv6_mask->ipv6_src, src_mask, sizeof src_mask); | |
1136 | inet_ntop(AF_INET6, ipv6_mask->ipv6_dst, dst_mask, sizeof dst_mask); | |
1137 | ||
1138 | ds_put_format(ds, "src=%s/%s,dst=%s/%s,label=%#"PRIx32"/%#"PRIx32 | |
1139 | ",proto=%"PRIu8"/%#"PRIx8",tclass=%#"PRIx8"/%#"PRIx8 | |
1140 | ",hlimit=%"PRIu8"/%#"PRIx8",frag=%s/%#"PRIx8, | |
1141 | src_str, src_mask, dst_str, dst_mask, | |
1142 | ntohl(ipv6_key->ipv6_label), | |
1143 | ntohl(ipv6_mask->ipv6_label), | |
1144 | ipv6_key->ipv6_proto, ipv6_mask->ipv6_proto, | |
1145 | ipv6_key->ipv6_tclass, ipv6_mask->ipv6_tclass, | |
1146 | ipv6_key->ipv6_hlimit, ipv6_mask->ipv6_hlimit, | |
1147 | ovs_frag_type_to_string(ipv6_key->ipv6_frag), | |
1148 | ipv6_mask->ipv6_frag); | |
1149 | } else { | |
1150 | const struct ovs_key_ipv6 *ipv6_key; | |
1151 | char src_str[INET6_ADDRSTRLEN]; | |
1152 | char dst_str[INET6_ADDRSTRLEN]; | |
1153 | ||
1154 | ipv6_key = nl_attr_get(a); | |
1155 | inet_ntop(AF_INET6, ipv6_key->ipv6_src, src_str, sizeof src_str); | |
1156 | inet_ntop(AF_INET6, ipv6_key->ipv6_dst, dst_str, sizeof dst_str); | |
1157 | ||
1158 | ds_put_format(ds, "src=%s,dst=%s,label=%#"PRIx32",proto=%"PRIu8 | |
1159 | ",tclass=%#"PRIx8",hlimit=%"PRIu8",frag=%s", | |
1160 | src_str, dst_str, ntohl(ipv6_key->ipv6_label), | |
1161 | ipv6_key->ipv6_proto, ipv6_key->ipv6_tclass, | |
1162 | ipv6_key->ipv6_hlimit, | |
1163 | ovs_frag_type_to_string(ipv6_key->ipv6_frag)); | |
1164 | } | |
d31f1109 | 1165 | break; |
d31f1109 | 1166 | |
df2c07f4 | 1167 | case OVS_KEY_ATTR_TCP: |
e6cc0bab AZ |
1168 | if (ma) { |
1169 | const struct ovs_key_tcp *tcp_mask = nl_attr_get(ma); | |
1170 | const struct ovs_key_tcp *tcp_key = nl_attr_get(a); | |
1171 | ||
1172 | ds_put_format(ds, "src=%"PRIu16"/%#"PRIx16 | |
1173 | ",dst=%"PRIu16"/%#"PRIx16, | |
1174 | ntohs(tcp_key->tcp_src), ntohs(tcp_mask->tcp_src), | |
1175 | ntohs(tcp_key->tcp_dst), ntohs(tcp_mask->tcp_dst)); | |
1176 | } else { | |
1177 | const struct ovs_key_tcp *tcp_key = nl_attr_get(a); | |
1178 | ||
1179 | ds_put_format(ds, "src=%"PRIu16",dst=%"PRIu16, | |
1180 | ntohs(tcp_key->tcp_src), ntohs(tcp_key->tcp_dst)); | |
1181 | } | |
36956a7d BP |
1182 | break; |
1183 | ||
df2c07f4 | 1184 | case OVS_KEY_ATTR_UDP: |
e6cc0bab AZ |
1185 | if (ma) { |
1186 | const struct ovs_key_udp *udp_mask = nl_attr_get(ma); | |
1187 | const struct ovs_key_udp *udp_key = nl_attr_get(a); | |
1188 | ||
1189 | ds_put_format(ds, "src=%"PRIu16"/%#"PRIx16 | |
1190 | ",dst=%"PRIu16"/%#"PRIx16, | |
1191 | ntohs(udp_key->udp_src), ntohs(udp_mask->udp_src), | |
1192 | ntohs(udp_key->udp_dst), ntohs(udp_mask->udp_dst)); | |
1193 | } else { | |
1194 | const struct ovs_key_udp *udp_key = nl_attr_get(a); | |
1195 | ||
1196 | ds_put_format(ds, "src=%"PRIu16",dst=%"PRIu16, | |
1197 | ntohs(udp_key->udp_src), ntohs(udp_key->udp_dst)); | |
1198 | } | |
36956a7d BP |
1199 | break; |
1200 | ||
df2c07f4 | 1201 | case OVS_KEY_ATTR_ICMP: |
e6cc0bab AZ |
1202 | if (ma) { |
1203 | const struct ovs_key_icmp *icmp_mask = nl_attr_get(ma); | |
1204 | const struct ovs_key_icmp *icmp_key = nl_attr_get(a); | |
1205 | ||
1206 | ds_put_format(ds, "type=%"PRIu8"/%#"PRIx8",code=%"PRIu8"/%#"PRIx8, | |
1207 | icmp_key->icmp_type, icmp_mask->icmp_type, | |
1208 | icmp_key->icmp_code, icmp_mask->icmp_code); | |
1209 | } else { | |
1210 | const struct ovs_key_icmp *icmp_key = nl_attr_get(a); | |
1211 | ||
1212 | ds_put_format(ds, "type=%"PRIu8",code=%"PRIu8, | |
1213 | icmp_key->icmp_type, icmp_key->icmp_code); | |
1214 | } | |
36956a7d BP |
1215 | break; |
1216 | ||
df2c07f4 | 1217 | case OVS_KEY_ATTR_ICMPV6: |
e6cc0bab AZ |
1218 | if (ma) { |
1219 | const struct ovs_key_icmpv6 *icmpv6_mask = nl_attr_get(ma); | |
1220 | const struct ovs_key_icmpv6 *icmpv6_key = nl_attr_get(a); | |
1221 | ||
1222 | ds_put_format(ds, "type=%"PRIu8"/%#"PRIx8",code=%"PRIu8"/%#"PRIx8, | |
1223 | icmpv6_key->icmpv6_type, icmpv6_mask->icmpv6_type, | |
1224 | icmpv6_key->icmpv6_code, icmpv6_mask->icmpv6_code); | |
1225 | } else { | |
1226 | const struct ovs_key_icmpv6 *icmpv6_key = nl_attr_get(a); | |
1227 | ||
1228 | ds_put_format(ds, "type=%"PRIu8",code=%"PRIu8, | |
1229 | icmpv6_key->icmpv6_type, icmpv6_key->icmpv6_code); | |
1230 | } | |
d31f1109 JP |
1231 | break; |
1232 | ||
df2c07f4 | 1233 | case OVS_KEY_ATTR_ARP: |
e6cc0bab AZ |
1234 | if (ma) { |
1235 | const struct ovs_key_arp *arp_mask = nl_attr_get(ma); | |
1236 | const struct ovs_key_arp *arp_key = nl_attr_get(a); | |
1237 | ||
1238 | ds_put_format(ds, "sip="IP_FMT"/"IP_FMT",tip="IP_FMT"/"IP_FMT | |
1239 | ",op=%"PRIu16"/%#"PRIx16 | |
1240 | ",sha="ETH_ADDR_FMT"/"ETH_ADDR_FMT | |
1241 | ",tha="ETH_ADDR_FMT"/"ETH_ADDR_FMT, | |
1242 | IP_ARGS(arp_key->arp_sip), | |
1243 | IP_ARGS(arp_mask->arp_sip), | |
1244 | IP_ARGS(arp_key->arp_tip), | |
1245 | IP_ARGS(arp_mask->arp_tip), | |
1246 | ntohs(arp_key->arp_op), ntohs(arp_mask->arp_op), | |
1247 | ETH_ADDR_ARGS(arp_key->arp_sha), | |
1248 | ETH_ADDR_ARGS(arp_mask->arp_sha), | |
1249 | ETH_ADDR_ARGS(arp_key->arp_tha), | |
1250 | ETH_ADDR_ARGS(arp_mask->arp_tha)); | |
1251 | } else { | |
1252 | const struct ovs_key_arp *arp_key = nl_attr_get(a); | |
1253 | ||
1254 | ds_put_format(ds, "sip="IP_FMT",tip="IP_FMT",op=%"PRIu16"," | |
1255 | "sha="ETH_ADDR_FMT",tha="ETH_ADDR_FMT, | |
1256 | IP_ARGS(arp_key->arp_sip), IP_ARGS(arp_key->arp_tip), | |
1257 | ntohs(arp_key->arp_op), | |
1258 | ETH_ADDR_ARGS(arp_key->arp_sha), | |
1259 | ETH_ADDR_ARGS(arp_key->arp_tha)); | |
1260 | } | |
36956a7d BP |
1261 | break; |
1262 | ||
df2c07f4 | 1263 | case OVS_KEY_ATTR_ND: { |
e6cc0bab | 1264 | const struct ovs_key_nd *nd_key, *nd_mask; |
685a51a5 JP |
1265 | char target[INET6_ADDRSTRLEN]; |
1266 | ||
1267 | nd_key = nl_attr_get(a); | |
e6cc0bab AZ |
1268 | nd_mask = ma ? nl_attr_get(ma) : NULL; |
1269 | ||
685a51a5 | 1270 | inet_ntop(AF_INET6, nd_key->nd_target, target, sizeof target); |
e6cc0bab AZ |
1271 | ds_put_format(ds, "target=%s", target); |
1272 | if (nd_mask) { | |
1273 | inet_ntop(AF_INET6, nd_mask->nd_target, target, sizeof target); | |
1274 | ds_put_format(ds, "/%s", target); | |
1275 | } | |
685a51a5 | 1276 | |
685a51a5 JP |
1277 | if (!eth_addr_is_zero(nd_key->nd_sll)) { |
1278 | ds_put_format(ds, ",sll="ETH_ADDR_FMT, | |
1279 | ETH_ADDR_ARGS(nd_key->nd_sll)); | |
e6cc0bab AZ |
1280 | if (nd_mask) { |
1281 | ds_put_format(ds, "/"ETH_ADDR_FMT, | |
1282 | ETH_ADDR_ARGS(nd_mask->nd_sll)); | |
1283 | } | |
685a51a5 JP |
1284 | } |
1285 | if (!eth_addr_is_zero(nd_key->nd_tll)) { | |
1286 | ds_put_format(ds, ",tll="ETH_ADDR_FMT, | |
1287 | ETH_ADDR_ARGS(nd_key->nd_tll)); | |
e6cc0bab AZ |
1288 | if (nd_mask) { |
1289 | ds_put_format(ds, "/"ETH_ADDR_FMT, | |
1290 | ETH_ADDR_ARGS(nd_mask->nd_tll)); | |
1291 | } | |
685a51a5 | 1292 | } |
685a51a5 JP |
1293 | break; |
1294 | } | |
1295 | ||
7a8e9ed2 BP |
1296 | case OVS_KEY_ATTR_UNSPEC: |
1297 | case __OVS_KEY_ATTR_MAX: | |
36956a7d BP |
1298 | default: |
1299 | format_generic_odp_key(a, ds); | |
e6cc0bab AZ |
1300 | if (ma) { |
1301 | ds_put_char(ds, '/'); | |
1302 | format_generic_odp_key(ma, ds); | |
1303 | } | |
36956a7d BP |
1304 | break; |
1305 | } | |
e6cc0bab | 1306 | ds_put_char(ds, ')'); |
36956a7d BP |
1307 | } |
1308 | ||
1309 | /* Appends to 'ds' a string representation of the 'key_len' bytes of | |
e6cc0bab AZ |
1310 | * OVS_KEY_ATTR_* attributes in 'key'. If non-null, additionally formats the |
1311 | * 'mask_len' bytes of 'mask' which apply to 'key'. */ | |
14608a15 | 1312 | void |
e6cc0bab AZ |
1313 | odp_flow_format(const struct nlattr *key, size_t key_len, |
1314 | const struct nlattr *mask, size_t mask_len, | |
1315 | struct ds *ds) | |
14608a15 | 1316 | { |
36956a7d BP |
1317 | if (key_len) { |
1318 | const struct nlattr *a; | |
1319 | unsigned int left; | |
e6cc0bab AZ |
1320 | bool has_ethtype_key = false; |
1321 | const struct nlattr *ma = NULL; | |
36956a7d BP |
1322 | |
1323 | NL_ATTR_FOR_EACH (a, left, key, key_len) { | |
1324 | if (a != key) { | |
1325 | ds_put_char(ds, ','); | |
1326 | } | |
e6cc0bab AZ |
1327 | if (nl_attr_type(a) == OVS_KEY_ATTR_ETHERTYPE) { |
1328 | has_ethtype_key = true; | |
1329 | } | |
1330 | if (mask && mask_len) { | |
1331 | ma = nl_attr_find__(mask, mask_len, nl_attr_type(a)); | |
1332 | } | |
1333 | format_odp_key_attr(a, ma, ds); | |
36956a7d BP |
1334 | } |
1335 | if (left) { | |
3a8cfc50 BP |
1336 | int i; |
1337 | ||
36956a7d BP |
1338 | if (left == key_len) { |
1339 | ds_put_cstr(ds, "<empty>"); | |
1340 | } | |
3a8cfc50 BP |
1341 | ds_put_format(ds, ",***%u leftover bytes*** (", left); |
1342 | for (i = 0; i < left; i++) { | |
1343 | ds_put_format(ds, "%02x", ((const uint8_t *) a)[i]); | |
1344 | } | |
1345 | ds_put_char(ds, ')'); | |
36956a7d | 1346 | } |
e6cc0bab AZ |
1347 | if (!has_ethtype_key) { |
1348 | ma = nl_attr_find__(mask, mask_len, OVS_KEY_ATTR_ETHERTYPE); | |
1349 | if (ma) { | |
1350 | ds_put_format(ds, ",eth_type(0/0x%04"PRIx16")", | |
1351 | ntohs(nl_attr_get_be16(ma))); | |
1352 | } | |
1353 | } | |
36956a7d BP |
1354 | } else { |
1355 | ds_put_cstr(ds, "<empty>"); | |
1356 | } | |
14608a15 | 1357 | } |
064af421 | 1358 | |
e6cc0bab AZ |
1359 | /* Appends to 'ds' a string representation of the 'key_len' bytes of |
1360 | * OVS_KEY_ATTR_* attributes in 'key'. */ | |
1361 | void | |
1362 | odp_flow_key_format(const struct nlattr *key, | |
1363 | size_t key_len, struct ds *ds) | |
1364 | { | |
1365 | odp_flow_format(key, key_len, NULL, 0, ds); | |
1366 | } | |
1367 | ||
3bffc610 BP |
1368 | static int |
1369 | put_nd_key(int n, const char *nd_target_s, | |
1370 | const uint8_t *nd_sll, const uint8_t *nd_tll, struct ofpbuf *key) | |
1371 | { | |
df2c07f4 | 1372 | struct ovs_key_nd nd_key; |
3bffc610 BP |
1373 | |
1374 | memset(&nd_key, 0, sizeof nd_key); | |
1375 | if (inet_pton(AF_INET6, nd_target_s, nd_key.nd_target) != 1) { | |
1376 | return -EINVAL; | |
1377 | } | |
1378 | if (nd_sll) { | |
1379 | memcpy(nd_key.nd_sll, nd_sll, ETH_ADDR_LEN); | |
1380 | } | |
1381 | if (nd_tll) { | |
1382 | memcpy(nd_key.nd_tll, nd_tll, ETH_ADDR_LEN); | |
1383 | } | |
df2c07f4 | 1384 | nl_msg_put_unspec(key, OVS_KEY_ATTR_ND, &nd_key, sizeof nd_key); |
3bffc610 BP |
1385 | return n; |
1386 | } | |
1387 | ||
7257b535 BP |
1388 | static bool |
1389 | ovs_frag_type_from_string(const char *s, enum ovs_frag_type *type) | |
1390 | { | |
1391 | if (!strcasecmp(s, "no")) { | |
1392 | *type = OVS_FRAG_TYPE_NONE; | |
1393 | } else if (!strcasecmp(s, "first")) { | |
1394 | *type = OVS_FRAG_TYPE_FIRST; | |
1395 | } else if (!strcasecmp(s, "later")) { | |
1396 | *type = OVS_FRAG_TYPE_LATER; | |
1397 | } else { | |
1398 | return false; | |
1399 | } | |
1400 | return true; | |
1401 | } | |
1402 | ||
b02475c5 SH |
1403 | static ovs_be32 |
1404 | mpls_lse_from_components(int mpls_label, int mpls_tc, int mpls_ttl, int mpls_bos) | |
1405 | { | |
1406 | return (htonl((mpls_label << MPLS_LABEL_SHIFT) | | |
1407 | (mpls_tc << MPLS_TC_SHIFT) | | |
1408 | (mpls_ttl << MPLS_TTL_SHIFT) | | |
1409 | (mpls_bos << MPLS_BOS_SHIFT))); | |
1410 | } | |
1411 | ||
3bffc610 | 1412 | static int |
e6cc0bab AZ |
1413 | parse_odp_key_mask_attr(const char *s, const struct simap *port_names, |
1414 | struct ofpbuf *key, struct ofpbuf *mask) | |
3bffc610 BP |
1415 | { |
1416 | /* Many of the sscanf calls in this function use oversized destination | |
1417 | * fields because some sscanf() implementations truncate the range of %i | |
1418 | * directives, so that e.g. "%"SCNi16 interprets input of "0xfedc" as a | |
1419 | * value of 0x7fff. The other alternatives are to allow only a single | |
1420 | * radix (e.g. decimal or hexadecimal) or to write more sophisticated | |
1421 | * parsers. | |
1422 | * | |
1423 | * The tun_id parser has to use an alternative approach because there is no | |
1424 | * type larger than 64 bits. */ | |
1425 | ||
abff858b PS |
1426 | { |
1427 | unsigned long long int priority; | |
e6cc0bab | 1428 | unsigned long long int priority_mask; |
abff858b PS |
1429 | int n = -1; |
1430 | ||
e6cc0bab AZ |
1431 | if (mask && sscanf(s, "skb_priority(%lli/%lli)%n", &priority, |
1432 | &priority_mask, &n) > 0 && n > 0) { | |
1433 | nl_msg_put_u32(key, OVS_KEY_ATTR_PRIORITY, priority); | |
1434 | nl_msg_put_u32(mask, OVS_KEY_ATTR_PRIORITY, priority_mask); | |
1435 | return n; | |
1436 | } else if (sscanf(s, "skb_priority(%lli)%n", | |
1437 | &priority, &n) > 0 && n > 0) { | |
abff858b | 1438 | nl_msg_put_u32(key, OVS_KEY_ATTR_PRIORITY, priority); |
e6cc0bab AZ |
1439 | if (mask) { |
1440 | nl_msg_put_u32(mask, OVS_KEY_ATTR_PRIORITY, UINT32_MAX); | |
1441 | } | |
abff858b PS |
1442 | return n; |
1443 | } | |
1444 | } | |
1445 | ||
72e8bf28 AA |
1446 | { |
1447 | unsigned long long int mark; | |
e6cc0bab | 1448 | unsigned long long int mark_mask; |
72e8bf28 AA |
1449 | int n = -1; |
1450 | ||
e6cc0bab AZ |
1451 | if (mask && sscanf(s, "skb_mark(%lli/%lli)%n", &mark, |
1452 | &mark_mask, &n) > 0 && n > 0) { | |
1453 | nl_msg_put_u32(key, OVS_KEY_ATTR_SKB_MARK, mark); | |
1454 | nl_msg_put_u32(mask, OVS_KEY_ATTR_SKB_MARK, mark_mask); | |
1455 | return n; | |
1456 | } else if (sscanf(s, "skb_mark(%lli)%n", &mark, &n) > 0 && n > 0) { | |
72e8bf28 | 1457 | nl_msg_put_u32(key, OVS_KEY_ATTR_SKB_MARK, mark); |
e6cc0bab AZ |
1458 | if (mask) { |
1459 | nl_msg_put_u32(mask, OVS_KEY_ATTR_SKB_MARK, UINT32_MAX); | |
1460 | } | |
72e8bf28 AA |
1461 | return n; |
1462 | } | |
1463 | } | |
1464 | ||
35651d6a JG |
1465 | { |
1466 | char tun_id_s[32]; | |
e6cc0bab AZ |
1467 | int tos, tos_mask, ttl, ttl_mask; |
1468 | struct flow_tnl tun_key, tun_key_mask; | |
1469 | unsigned long long tun_id_mask; | |
35651d6a JG |
1470 | int n = -1; |
1471 | ||
e6cc0bab AZ |
1472 | if (mask && sscanf(s, "tunnel(tun_id=%31[x0123456789abcdefABCDEF]/%llx," |
1473 | "src="IP_SCAN_FMT"/"IP_SCAN_FMT",dst="IP_SCAN_FMT | |
1474 | "/"IP_SCAN_FMT",tos=%i/%i,ttl=%i/%i,flags%n", | |
1475 | tun_id_s, &tun_id_mask, | |
1476 | IP_SCAN_ARGS(&tun_key.ip_src), | |
1477 | IP_SCAN_ARGS(&tun_key_mask.ip_src), | |
1478 | IP_SCAN_ARGS(&tun_key.ip_dst), | |
1479 | IP_SCAN_ARGS(&tun_key_mask.ip_dst), | |
1480 | &tos, &tos_mask, &ttl, &ttl_mask, | |
1481 | &n) > 0 && n > 0) { | |
1482 | int res; | |
1483 | uint32_t flags; | |
1484 | ||
1485 | tun_key.tun_id = htonll(strtoull(tun_id_s, NULL, 0)); | |
1486 | tun_key_mask.tun_id = htonll(tun_id_mask); | |
1487 | tun_key.ip_tos = tos; | |
1488 | tun_key_mask.ip_tos = tos_mask; | |
1489 | tun_key.ip_ttl = ttl; | |
1490 | tun_key_mask.ip_ttl = ttl_mask; | |
1491 | res = parse_flags(&s[n], flow_tun_flag_to_string, &flags); | |
1492 | tun_key.flags = flags; | |
1493 | tun_key_mask.flags = UINT16_MAX; | |
1494 | ||
1495 | if (res < 0) { | |
1496 | return res; | |
1497 | } | |
1498 | n += res; | |
1499 | if (s[n] != ')') { | |
1500 | return -EINVAL; | |
1501 | } | |
1502 | n++; | |
1503 | tun_key_to_attr(key, &tun_key); | |
1504 | if (mask) { | |
1505 | tun_key_to_attr(mask, &tun_key_mask); | |
1506 | } | |
1507 | return n; | |
1508 | } else if (sscanf(s, "tunnel(tun_id=%31[x0123456789abcdefABCDEF]," | |
29c7a2b2 PS |
1509 | "src="IP_SCAN_FMT",dst="IP_SCAN_FMT |
1510 | ",tos=%i,ttl=%i,flags%n", tun_id_s, | |
9b405f1a PS |
1511 | IP_SCAN_ARGS(&tun_key.ip_src), |
1512 | IP_SCAN_ARGS(&tun_key.ip_dst), &tos, &ttl, | |
35651d6a | 1513 | &n) > 0 && n > 0) { |
29c7a2b2 | 1514 | int res; |
9b405f1a | 1515 | uint32_t flags; |
29c7a2b2 | 1516 | |
35651d6a | 1517 | tun_key.tun_id = htonll(strtoull(tun_id_s, NULL, 0)); |
9b405f1a PS |
1518 | tun_key.ip_tos = tos; |
1519 | tun_key.ip_ttl = ttl; | |
1520 | res = parse_flags(&s[n], flow_tun_flag_to_string, &flags); | |
e6cc0bab | 1521 | tun_key.flags = flags; |
29c7a2b2 | 1522 | |
29c7a2b2 PS |
1523 | if (res < 0) { |
1524 | return res; | |
1525 | } | |
1526 | n += res; | |
1527 | if (s[n] != ')') { | |
1528 | return -EINVAL; | |
1529 | } | |
1530 | n++; | |
9b405f1a | 1531 | tun_key_to_attr(key, &tun_key); |
e6cc0bab AZ |
1532 | |
1533 | if (mask) { | |
1534 | memset(&tun_key, 0xff, sizeof tun_key); | |
1535 | tun_key_to_attr(mask, &tun_key); | |
1536 | } | |
35651d6a JG |
1537 | return n; |
1538 | } | |
1539 | } | |
1540 | ||
3bffc610 BP |
1541 | { |
1542 | unsigned long long int in_port; | |
e6cc0bab | 1543 | unsigned long long int in_port_mask; |
3bffc610 BP |
1544 | int n = -1; |
1545 | ||
e6cc0bab AZ |
1546 | if (mask && sscanf(s, "in_port(%lli/%lli)%n", &in_port, |
1547 | &in_port_mask, &n) > 0 && n > 0) { | |
1548 | nl_msg_put_u32(key, OVS_KEY_ATTR_IN_PORT, in_port); | |
1549 | nl_msg_put_u32(mask, OVS_KEY_ATTR_IN_PORT, in_port_mask); | |
1550 | return n; | |
1551 | } else if (sscanf(s, "in_port(%lli)%n", &in_port, &n) > 0 && n > 0) { | |
df2c07f4 | 1552 | nl_msg_put_u32(key, OVS_KEY_ATTR_IN_PORT, in_port); |
e6cc0bab AZ |
1553 | if (mask) { |
1554 | nl_msg_put_u32(mask, OVS_KEY_ATTR_IN_PORT, UINT32_MAX); | |
1555 | } | |
3bffc610 BP |
1556 | return n; |
1557 | } | |
1558 | } | |
1559 | ||
e6cc0bab | 1560 | |
b2a60db8 BP |
1561 | if (port_names && !strncmp(s, "in_port(", 8)) { |
1562 | const char *name; | |
44bac24b | 1563 | const struct simap_node *node; |
b2a60db8 BP |
1564 | int name_len; |
1565 | ||
1566 | name = s + 8; | |
1567 | name_len = strcspn(s, ")"); | |
44bac24b | 1568 | node = simap_find_len(port_names, name, name_len); |
b2a60db8 | 1569 | if (node) { |
44bac24b | 1570 | nl_msg_put_u32(key, OVS_KEY_ATTR_IN_PORT, node->data); |
e6cc0bab AZ |
1571 | |
1572 | if (mask) { | |
1573 | nl_msg_put_u32(mask, OVS_KEY_ATTR_IN_PORT, UINT32_MAX); | |
1574 | } | |
b2a60db8 BP |
1575 | return 8 + name_len + 1; |
1576 | } | |
1577 | } | |
1578 | ||
3bffc610 | 1579 | { |
df2c07f4 | 1580 | struct ovs_key_ethernet eth_key; |
e6cc0bab | 1581 | struct ovs_key_ethernet eth_key_mask; |
3bffc610 BP |
1582 | int n = -1; |
1583 | ||
e6cc0bab AZ |
1584 | if (mask && sscanf(s, |
1585 | "eth(src="ETH_ADDR_SCAN_FMT"/"ETH_ADDR_SCAN_FMT"," | |
1586 | "dst="ETH_ADDR_SCAN_FMT"/"ETH_ADDR_SCAN_FMT")%n", | |
1587 | ETH_ADDR_SCAN_ARGS(eth_key.eth_src), | |
1588 | ETH_ADDR_SCAN_ARGS(eth_key_mask.eth_src), | |
1589 | ETH_ADDR_SCAN_ARGS(eth_key.eth_dst), | |
1590 | ETH_ADDR_SCAN_ARGS(eth_key_mask.eth_dst), &n) > 0 && n > 0) { | |
1591 | ||
1592 | nl_msg_put_unspec(key, OVS_KEY_ATTR_ETHERNET, | |
1593 | ð_key, sizeof eth_key); | |
1594 | nl_msg_put_unspec(mask, OVS_KEY_ATTR_ETHERNET, | |
1595 | ð_key_mask, sizeof eth_key_mask); | |
1596 | return n; | |
1597 | } else if (sscanf(s, | |
3bffc610 BP |
1598 | "eth(src="ETH_ADDR_SCAN_FMT",dst="ETH_ADDR_SCAN_FMT")%n", |
1599 | ETH_ADDR_SCAN_ARGS(eth_key.eth_src), | |
1600 | ETH_ADDR_SCAN_ARGS(eth_key.eth_dst), &n) > 0 && n > 0) { | |
df2c07f4 | 1601 | nl_msg_put_unspec(key, OVS_KEY_ATTR_ETHERNET, |
3bffc610 | 1602 | ð_key, sizeof eth_key); |
e6cc0bab AZ |
1603 | |
1604 | if (mask) { | |
1605 | memset(ð_key, 0xff, sizeof eth_key); | |
1606 | nl_msg_put_unspec(mask, OVS_KEY_ATTR_ETHERNET, | |
1607 | ð_key, sizeof eth_key); | |
1608 | } | |
3bffc610 BP |
1609 | return n; |
1610 | } | |
1611 | } | |
1612 | ||
1613 | { | |
e6cc0bab AZ |
1614 | uint16_t vid, vid_mask; |
1615 | int pcp, pcp_mask; | |
1616 | int cfi, cfi_mask; | |
3bffc610 BP |
1617 | int n = -1; |
1618 | ||
e6cc0bab AZ |
1619 | if (mask && (sscanf(s, "vlan(vid=%"SCNi16"/%"SCNi16",pcp=%i/%i)%n", |
1620 | &vid, &vid_mask, &pcp, &pcp_mask, &n) > 0 && n > 0)) { | |
1621 | nl_msg_put_be16(key, OVS_KEY_ATTR_VLAN, | |
1622 | htons((vid << VLAN_VID_SHIFT) | | |
1623 | (pcp << VLAN_PCP_SHIFT) | | |
1624 | VLAN_CFI)); | |
1625 | nl_msg_put_be16(mask, OVS_KEY_ATTR_VLAN, | |
1626 | htons((vid_mask << VLAN_VID_SHIFT) | | |
1627 | (pcp_mask << VLAN_PCP_SHIFT) | | |
1628 | (1 << VLAN_CFI_SHIFT))); | |
1629 | return n; | |
1630 | } else if ((sscanf(s, "vlan(vid=%"SCNi16",pcp=%i)%n", | |
1631 | &vid, &pcp, &n) > 0 && n > 0)) { | |
fea393b1 BP |
1632 | nl_msg_put_be16(key, OVS_KEY_ATTR_VLAN, |
1633 | htons((vid << VLAN_VID_SHIFT) | | |
8ddc056d BP |
1634 | (pcp << VLAN_PCP_SHIFT) | |
1635 | VLAN_CFI)); | |
e6cc0bab AZ |
1636 | if (mask) { |
1637 | nl_msg_put_be16(mask, OVS_KEY_ATTR_VLAN, htons(UINT16_MAX)); | |
1638 | } | |
1639 | return n; | |
1640 | } else if (mask && (sscanf(s, "vlan(vid=%"SCNi16"/%"SCNi16",pcp=%i/%i,cfi=%i/%i)%n", | |
1641 | &vid, &vid_mask, &pcp, &pcp_mask, &cfi, &cfi_mask, &n) > 0 && n > 0)) { | |
1642 | nl_msg_put_be16(key, OVS_KEY_ATTR_VLAN, | |
1643 | htons((vid << VLAN_VID_SHIFT) | | |
1644 | (pcp << VLAN_PCP_SHIFT) | | |
1645 | (cfi ? VLAN_CFI : 0))); | |
1646 | nl_msg_put_be16(mask, OVS_KEY_ATTR_VLAN, | |
1647 | htons((vid_mask << VLAN_VID_SHIFT) | | |
1648 | (pcp_mask << VLAN_PCP_SHIFT) | | |
1649 | (cfi_mask << VLAN_CFI_SHIFT))); | |
8ddc056d BP |
1650 | return n; |
1651 | } else if ((sscanf(s, "vlan(vid=%"SCNi16",pcp=%i,cfi=%i)%n", | |
e6cc0bab | 1652 | &vid, &pcp, &cfi, &n) > 0 && n > 0)) { |
8ddc056d BP |
1653 | nl_msg_put_be16(key, OVS_KEY_ATTR_VLAN, |
1654 | htons((vid << VLAN_VID_SHIFT) | | |
1655 | (pcp << VLAN_PCP_SHIFT) | | |
1656 | (cfi ? VLAN_CFI : 0))); | |
e6cc0bab AZ |
1657 | if (mask) { |
1658 | nl_msg_put_be16(mask, OVS_KEY_ATTR_VLAN, htons(UINT16_MAX)); | |
1659 | } | |
3bffc610 BP |
1660 | return n; |
1661 | } | |
1662 | } | |
1663 | ||
1664 | { | |
fac2e516 | 1665 | int eth_type; |
e6cc0bab | 1666 | int eth_type_mask; |
3bffc610 BP |
1667 | int n = -1; |
1668 | ||
e6cc0bab AZ |
1669 | if (mask && sscanf(s, "eth_type(%i/%i)%n", |
1670 | ð_type, ð_type_mask, &n) > 0 && n > 0) { | |
1671 | if (eth_type != 0) { | |
1672 | nl_msg_put_be16(key, OVS_KEY_ATTR_ETHERTYPE, htons(eth_type)); | |
1673 | } | |
1674 | nl_msg_put_be16(mask, OVS_KEY_ATTR_ETHERTYPE, htons(eth_type_mask)); | |
1675 | return n; | |
1676 | } else if (sscanf(s, "eth_type(%i)%n", ð_type, &n) > 0 && n > 0) { | |
df2c07f4 | 1677 | nl_msg_put_be16(key, OVS_KEY_ATTR_ETHERTYPE, htons(eth_type)); |
e6cc0bab AZ |
1678 | if (mask) { |
1679 | nl_msg_put_be16(mask, OVS_KEY_ATTR_ETHERTYPE, | |
1680 | htons(UINT16_MAX)); | |
1681 | } | |
3bffc610 BP |
1682 | return n; |
1683 | } | |
1684 | } | |
1685 | ||
b02475c5 SH |
1686 | { |
1687 | int label, tc, ttl, bos; | |
e6cc0bab | 1688 | int label_mask, tc_mask, ttl_mask, bos_mask; |
b02475c5 SH |
1689 | int n = -1; |
1690 | ||
e6cc0bab AZ |
1691 | if (mask && sscanf(s, "mpls(label=%"SCNi32"/%"SCNi32",tc=%i/%i,ttl=%i/%i,bos=%i/%i)%n", |
1692 | &label, &label_mask, &tc, &tc_mask, &ttl, &ttl_mask, &bos, &bos_mask, &n) > 0 && n > 0) { | |
1693 | struct ovs_key_mpls *mpls, *mpls_mask; | |
1694 | ||
1695 | mpls = nl_msg_put_unspec_uninit(key, OVS_KEY_ATTR_MPLS, | |
1696 | sizeof *mpls); | |
1697 | mpls->mpls_lse = mpls_lse_from_components(label, tc, ttl, bos); | |
1698 | ||
1699 | mpls_mask = nl_msg_put_unspec_uninit(mask, OVS_KEY_ATTR_MPLS, | |
1700 | sizeof *mpls_mask); | |
1701 | mpls_mask->mpls_lse = mpls_lse_from_components( | |
1702 | label_mask, tc_mask, ttl_mask, bos_mask); | |
1703 | return n; | |
1704 | } else if (sscanf(s, "mpls(label=%"SCNi32",tc=%i,ttl=%i,bos=%i)%n", | |
b02475c5 SH |
1705 | &label, &tc, &ttl, &bos, &n) > 0 && |
1706 | n > 0) { | |
1707 | struct ovs_key_mpls *mpls; | |
1708 | ||
1709 | mpls = nl_msg_put_unspec_uninit(key, OVS_KEY_ATTR_MPLS, | |
1710 | sizeof *mpls); | |
20131cef | 1711 | mpls->mpls_lse = mpls_lse_from_components(label, tc, ttl, bos); |
e6cc0bab AZ |
1712 | if (mask) { |
1713 | mpls = nl_msg_put_unspec_uninit(mask, OVS_KEY_ATTR_MPLS, | |
1714 | sizeof *mpls); | |
1715 | mpls->mpls_lse = htonl(UINT32_MAX); | |
1716 | } | |
b02475c5 SH |
1717 | return n; |
1718 | } | |
1719 | } | |
1720 | ||
e6cc0bab | 1721 | |
3bffc610 | 1722 | { |
e6cc0bab AZ |
1723 | ovs_be32 ipv4_src, ipv4_src_mask; |
1724 | ovs_be32 ipv4_dst, ipv4_dst_mask; | |
1725 | int ipv4_proto, ipv4_proto_mask; | |
1726 | int ipv4_tos, ipv4_tos_mask; | |
1727 | int ipv4_ttl, ipv4_ttl_mask; | |
7257b535 | 1728 | char frag[8]; |
e6cc0bab | 1729 | int ipv4_frag_mask; |
7257b535 | 1730 | enum ovs_frag_type ipv4_frag; |
3bffc610 BP |
1731 | int n = -1; |
1732 | ||
e6cc0bab AZ |
1733 | if (mask && sscanf(s, "ipv4(src="IP_SCAN_FMT"/"IP_SCAN_FMT"," |
1734 | "dst="IP_SCAN_FMT"/"IP_SCAN_FMT"," | |
1735 | "proto=%i/%i,tos=%i/%i,ttl=%i/%i," | |
1736 | "frag=%7[a-z]/%i)%n", | |
1737 | IP_SCAN_ARGS(&ipv4_src), IP_SCAN_ARGS(&ipv4_src_mask), | |
1738 | IP_SCAN_ARGS(&ipv4_dst), IP_SCAN_ARGS(&ipv4_dst_mask), | |
1739 | &ipv4_proto, &ipv4_proto_mask, | |
1740 | &ipv4_tos, &ipv4_tos_mask, &ipv4_ttl, &ipv4_ttl_mask, | |
1741 | frag, &ipv4_frag_mask, &n) > 0 | |
1742 | && n > 0 | |
1743 | && ovs_frag_type_from_string(frag, &ipv4_frag)) { | |
1744 | struct ovs_key_ipv4 ipv4_key; | |
1745 | struct ovs_key_ipv4 ipv4_mask; | |
1746 | ||
1747 | ipv4_key.ipv4_src = ipv4_src; | |
1748 | ipv4_key.ipv4_dst = ipv4_dst; | |
1749 | ipv4_key.ipv4_proto = ipv4_proto; | |
1750 | ipv4_key.ipv4_tos = ipv4_tos; | |
1751 | ipv4_key.ipv4_ttl = ipv4_ttl; | |
1752 | ipv4_key.ipv4_frag = ipv4_frag; | |
1753 | nl_msg_put_unspec(key, OVS_KEY_ATTR_IPV4, | |
1754 | &ipv4_key, sizeof ipv4_key); | |
1755 | ||
1756 | ipv4_mask.ipv4_src = ipv4_src_mask; | |
1757 | ipv4_mask.ipv4_dst = ipv4_dst_mask; | |
1758 | ipv4_mask.ipv4_proto = ipv4_proto_mask; | |
1759 | ipv4_mask.ipv4_tos = ipv4_tos_mask; | |
1760 | ipv4_mask.ipv4_ttl = ipv4_ttl_mask; | |
1761 | ipv4_mask.ipv4_frag = ipv4_frag_mask; | |
1762 | nl_msg_put_unspec(mask, OVS_KEY_ATTR_IPV4, | |
1763 | &ipv4_mask, sizeof ipv4_mask); | |
1764 | return n; | |
1765 | } else if (sscanf(s, "ipv4(src="IP_SCAN_FMT",dst="IP_SCAN_FMT"," | |
a61680c6 | 1766 | "proto=%i,tos=%i,ttl=%i,frag=%7[a-z])%n", |
7257b535 | 1767 | IP_SCAN_ARGS(&ipv4_src), IP_SCAN_ARGS(&ipv4_dst), |
a61680c6 | 1768 | &ipv4_proto, &ipv4_tos, &ipv4_ttl, frag, &n) > 0 |
7257b535 BP |
1769 | && n > 0 |
1770 | && ovs_frag_type_from_string(frag, &ipv4_frag)) { | |
df2c07f4 | 1771 | struct ovs_key_ipv4 ipv4_key; |
3bffc610 | 1772 | |
3bffc610 BP |
1773 | ipv4_key.ipv4_src = ipv4_src; |
1774 | ipv4_key.ipv4_dst = ipv4_dst; | |
1775 | ipv4_key.ipv4_proto = ipv4_proto; | |
1776 | ipv4_key.ipv4_tos = ipv4_tos; | |
a61680c6 | 1777 | ipv4_key.ipv4_ttl = ipv4_ttl; |
7257b535 | 1778 | ipv4_key.ipv4_frag = ipv4_frag; |
df2c07f4 | 1779 | nl_msg_put_unspec(key, OVS_KEY_ATTR_IPV4, |
3bffc610 | 1780 | &ipv4_key, sizeof ipv4_key); |
e6cc0bab AZ |
1781 | |
1782 | if (mask) { | |
1783 | memset(&ipv4_key, 0xff, sizeof ipv4_key); | |
1784 | nl_msg_put_unspec(mask, OVS_KEY_ATTR_IPV4, | |
1785 | &ipv4_key, sizeof ipv4_key); | |
1786 | } | |
3bffc610 BP |
1787 | return n; |
1788 | } | |
1789 | } | |
1790 | ||
1791 | { | |
1792 | char ipv6_src_s[IPV6_SCAN_LEN + 1]; | |
e6cc0bab | 1793 | char ipv6_src_mask_s[IPV6_SCAN_LEN + 1]; |
3bffc610 | 1794 | char ipv6_dst_s[IPV6_SCAN_LEN + 1]; |
e6cc0bab AZ |
1795 | char ipv6_dst_mask_s[IPV6_SCAN_LEN + 1]; |
1796 | int ipv6_label, ipv6_label_mask; | |
1797 | int ipv6_proto, ipv6_proto_mask; | |
1798 | int ipv6_tclass, ipv6_tclass_mask; | |
1799 | int ipv6_hlimit, ipv6_hlimit_mask; | |
7257b535 BP |
1800 | char frag[8]; |
1801 | enum ovs_frag_type ipv6_frag; | |
e6cc0bab | 1802 | int ipv6_frag_mask; |
3bffc610 BP |
1803 | int n = -1; |
1804 | ||
e6cc0bab AZ |
1805 | if (mask && sscanf(s, "ipv6(src="IPV6_SCAN_FMT"/"IPV6_SCAN_FMT",dst=" |
1806 | IPV6_SCAN_FMT"/"IPV6_SCAN_FMT"," | |
1807 | "label=%i/%i,proto=%i/%i,tclass=%i/%i," | |
1808 | "hlimit=%i/%i,frag=%7[a-z]/%i)%n", | |
1809 | ipv6_src_s, ipv6_src_mask_s, ipv6_dst_s, ipv6_dst_mask_s, | |
1810 | &ipv6_label, &ipv6_label_mask, &ipv6_proto, | |
1811 | &ipv6_proto_mask, &ipv6_tclass, &ipv6_tclass_mask, | |
1812 | &ipv6_hlimit, &ipv6_hlimit_mask, frag, | |
1813 | &ipv6_frag_mask, &n) > 0 | |
1814 | && n > 0 | |
1815 | && ovs_frag_type_from_string(frag, &ipv6_frag)) { | |
1816 | struct ovs_key_ipv6 ipv6_key; | |
1817 | struct ovs_key_ipv6 ipv6_mask; | |
1818 | ||
1819 | if (inet_pton(AF_INET6, ipv6_src_s, &ipv6_key.ipv6_src) != 1 || | |
1820 | inet_pton(AF_INET6, ipv6_dst_s, &ipv6_key.ipv6_dst) != 1 || | |
1821 | inet_pton(AF_INET6, ipv6_src_mask_s, &ipv6_mask.ipv6_src) != 1 || | |
1822 | inet_pton(AF_INET6, ipv6_dst_mask_s, &ipv6_mask.ipv6_dst) != 1) { | |
1823 | return -EINVAL; | |
1824 | } | |
1825 | ||
1826 | ipv6_key.ipv6_label = htonl(ipv6_label); | |
1827 | ipv6_key.ipv6_proto = ipv6_proto; | |
1828 | ipv6_key.ipv6_tclass = ipv6_tclass; | |
1829 | ipv6_key.ipv6_hlimit = ipv6_hlimit; | |
1830 | ipv6_key.ipv6_frag = ipv6_frag; | |
1831 | nl_msg_put_unspec(key, OVS_KEY_ATTR_IPV6, | |
1832 | &ipv6_key, sizeof ipv6_key); | |
1833 | ||
1834 | ipv6_mask.ipv6_label = htonl(ipv6_label_mask); | |
1835 | ipv6_mask.ipv6_proto = ipv6_proto_mask; | |
1836 | ipv6_mask.ipv6_tclass = ipv6_tclass_mask; | |
1837 | ipv6_mask.ipv6_hlimit = ipv6_hlimit_mask; | |
1838 | ipv6_mask.ipv6_frag = ipv6_frag_mask; | |
1839 | nl_msg_put_unspec(mask, OVS_KEY_ATTR_IPV6, | |
1840 | &ipv6_mask, sizeof ipv6_mask); | |
1841 | return n; | |
1842 | } else if (sscanf(s, "ipv6(src="IPV6_SCAN_FMT",dst="IPV6_SCAN_FMT"," | |
60258dcb | 1843 | "label=%i,proto=%i,tclass=%i,hlimit=%i,frag=%7[a-z])%n", |
fa8223b7 | 1844 | ipv6_src_s, ipv6_dst_s, &ipv6_label, |
60258dcb | 1845 | &ipv6_proto, &ipv6_tclass, &ipv6_hlimit, frag, &n) > 0 |
7257b535 BP |
1846 | && n > 0 |
1847 | && ovs_frag_type_from_string(frag, &ipv6_frag)) { | |
df2c07f4 | 1848 | struct ovs_key_ipv6 ipv6_key; |
3bffc610 | 1849 | |
3bffc610 BP |
1850 | if (inet_pton(AF_INET6, ipv6_src_s, &ipv6_key.ipv6_src) != 1 || |
1851 | inet_pton(AF_INET6, ipv6_dst_s, &ipv6_key.ipv6_dst) != 1) { | |
1852 | return -EINVAL; | |
1853 | } | |
fa8223b7 | 1854 | ipv6_key.ipv6_label = htonl(ipv6_label); |
3bffc610 | 1855 | ipv6_key.ipv6_proto = ipv6_proto; |
60258dcb | 1856 | ipv6_key.ipv6_tclass = ipv6_tclass; |
a61680c6 | 1857 | ipv6_key.ipv6_hlimit = ipv6_hlimit; |
7257b535 | 1858 | ipv6_key.ipv6_frag = ipv6_frag; |
df2c07f4 | 1859 | nl_msg_put_unspec(key, OVS_KEY_ATTR_IPV6, |
3bffc610 | 1860 | &ipv6_key, sizeof ipv6_key); |
e6cc0bab AZ |
1861 | |
1862 | if (mask) { | |
1863 | memset(&ipv6_key, 0xff, sizeof ipv6_key); | |
1864 | nl_msg_put_unspec(mask, OVS_KEY_ATTR_IPV6, | |
1865 | &ipv6_key, sizeof ipv6_key); | |
1866 | } | |
3bffc610 BP |
1867 | return n; |
1868 | } | |
1869 | } | |
1870 | ||
1871 | { | |
1872 | int tcp_src; | |
1873 | int tcp_dst; | |
e6cc0bab AZ |
1874 | int tcp_src_mask; |
1875 | int tcp_dst_mask; | |
3bffc610 BP |
1876 | int n = -1; |
1877 | ||
e6cc0bab AZ |
1878 | if (mask && sscanf(s, "tcp(src=%i/%i,dst=%i/%i)%n", |
1879 | &tcp_src, &tcp_src_mask, &tcp_dst, &tcp_dst_mask, &n) > 0 | |
3bffc610 | 1880 | && n > 0) { |
df2c07f4 | 1881 | struct ovs_key_tcp tcp_key; |
e6cc0bab | 1882 | struct ovs_key_tcp tcp_mask; |
3bffc610 BP |
1883 | |
1884 | tcp_key.tcp_src = htons(tcp_src); | |
1885 | tcp_key.tcp_dst = htons(tcp_dst); | |
df2c07f4 | 1886 | nl_msg_put_unspec(key, OVS_KEY_ATTR_TCP, &tcp_key, sizeof tcp_key); |
e6cc0bab AZ |
1887 | |
1888 | tcp_mask.tcp_src = htons(tcp_src_mask); | |
1889 | tcp_mask.tcp_dst = htons(tcp_dst_mask); | |
1890 | nl_msg_put_unspec(mask, OVS_KEY_ATTR_TCP, | |
1891 | &tcp_mask, sizeof tcp_mask); | |
1892 | return n; | |
1893 | } else if (sscanf(s, "tcp(src=%i,dst=%i)%n",&tcp_src, &tcp_dst, &n) > 0 | |
1894 | && n > 0) { | |
1895 | struct ovs_key_tcp tcp_key; | |
1896 | ||
1897 | tcp_key.tcp_src = htons(tcp_src); | |
1898 | tcp_key.tcp_dst = htons(tcp_dst); | |
1899 | nl_msg_put_unspec(key, OVS_KEY_ATTR_TCP, &tcp_key, sizeof tcp_key); | |
1900 | ||
1901 | if (mask) { | |
1902 | memset(&tcp_key, 0xff, sizeof tcp_key); | |
1903 | nl_msg_put_unspec(mask, OVS_KEY_ATTR_TCP, | |
1904 | &tcp_key, sizeof tcp_key); | |
1905 | } | |
3bffc610 BP |
1906 | return n; |
1907 | } | |
1908 | } | |
1909 | ||
1910 | { | |
1911 | int udp_src; | |
1912 | int udp_dst; | |
e6cc0bab AZ |
1913 | int udp_src_mask; |
1914 | int udp_dst_mask; | |
3bffc610 BP |
1915 | int n = -1; |
1916 | ||
e6cc0bab AZ |
1917 | if (mask && sscanf(s, "udp(src=%i/%i,dst=%i/%i)%n", |
1918 | &udp_src, &udp_src_mask, | |
1919 | &udp_dst, &udp_dst_mask, &n) > 0 && n > 0) { | |
1920 | struct ovs_key_udp udp_key; | |
1921 | struct ovs_key_udp udp_mask; | |
1922 | ||
1923 | udp_key.udp_src = htons(udp_src); | |
1924 | udp_key.udp_dst = htons(udp_dst); | |
1925 | nl_msg_put_unspec(key, OVS_KEY_ATTR_UDP, &udp_key, sizeof udp_key); | |
1926 | ||
1927 | udp_mask.udp_src = htons(udp_src_mask); | |
1928 | udp_mask.udp_dst = htons(udp_dst_mask); | |
1929 | nl_msg_put_unspec(mask, OVS_KEY_ATTR_UDP, | |
1930 | &udp_mask, sizeof udp_mask); | |
1931 | return n; | |
1932 | } | |
3bffc610 BP |
1933 | if (sscanf(s, "udp(src=%i,dst=%i)%n", &udp_src, &udp_dst, &n) > 0 |
1934 | && n > 0) { | |
df2c07f4 | 1935 | struct ovs_key_udp udp_key; |
3bffc610 BP |
1936 | |
1937 | udp_key.udp_src = htons(udp_src); | |
1938 | udp_key.udp_dst = htons(udp_dst); | |
df2c07f4 | 1939 | nl_msg_put_unspec(key, OVS_KEY_ATTR_UDP, &udp_key, sizeof udp_key); |
e6cc0bab AZ |
1940 | |
1941 | if (mask) { | |
1942 | memset(&udp_key, 0xff, sizeof udp_key); | |
1943 | nl_msg_put_unspec(mask, OVS_KEY_ATTR_UDP, &udp_key, sizeof udp_key); | |
1944 | } | |
3bffc610 BP |
1945 | return n; |
1946 | } | |
1947 | } | |
1948 | ||
1949 | { | |
1950 | int icmp_type; | |
1951 | int icmp_code; | |
e6cc0bab AZ |
1952 | int icmp_type_mask; |
1953 | int icmp_code_mask; | |
3bffc610 BP |
1954 | int n = -1; |
1955 | ||
e6cc0bab AZ |
1956 | if (mask && sscanf(s, "icmp(type=%i/%i,code=%i/%i)%n", |
1957 | &icmp_type, &icmp_type_mask, | |
1958 | &icmp_code, &icmp_code_mask, &n) > 0 && n > 0) { | |
1959 | struct ovs_key_icmp icmp_key; | |
1960 | struct ovs_key_icmp icmp_mask; | |
1961 | ||
1962 | icmp_key.icmp_type = icmp_type; | |
1963 | icmp_key.icmp_code = icmp_code; | |
1964 | nl_msg_put_unspec(key, OVS_KEY_ATTR_ICMP, | |
1965 | &icmp_key, sizeof icmp_key); | |
1966 | ||
1967 | icmp_mask.icmp_type = icmp_type_mask; | |
1968 | icmp_mask.icmp_code = icmp_code_mask; | |
1969 | nl_msg_put_unspec(mask, OVS_KEY_ATTR_ICMP, | |
1970 | &icmp_mask, sizeof icmp_mask); | |
1971 | return n; | |
1972 | } else if (sscanf(s, "icmp(type=%i,code=%i)%n", | |
3bffc610 BP |
1973 | &icmp_type, &icmp_code, &n) > 0 |
1974 | && n > 0) { | |
df2c07f4 | 1975 | struct ovs_key_icmp icmp_key; |
3bffc610 BP |
1976 | |
1977 | icmp_key.icmp_type = icmp_type; | |
1978 | icmp_key.icmp_code = icmp_code; | |
df2c07f4 | 1979 | nl_msg_put_unspec(key, OVS_KEY_ATTR_ICMP, |
3bffc610 | 1980 | &icmp_key, sizeof icmp_key); |
e6cc0bab AZ |
1981 | if (mask) { |
1982 | memset(&icmp_key, 0xff, sizeof icmp_key); | |
1983 | nl_msg_put_unspec(mask, OVS_KEY_ATTR_ICMP, &icmp_key, | |
1984 | sizeof icmp_key); | |
1985 | } | |
3bffc610 BP |
1986 | return n; |
1987 | } | |
1988 | } | |
1989 | ||
1990 | { | |
df2c07f4 | 1991 | struct ovs_key_icmpv6 icmpv6_key; |
e6cc0bab AZ |
1992 | struct ovs_key_icmpv6 icmpv6_mask; |
1993 | int icmpv6_type_mask; | |
1994 | int icmpv6_code_mask; | |
3bffc610 BP |
1995 | int n = -1; |
1996 | ||
e6cc0bab AZ |
1997 | if (mask && sscanf(s, "icmpv6(type=%"SCNi8"/%i,code=%"SCNi8"/%i)%n", |
1998 | &icmpv6_key.icmpv6_type, &icmpv6_type_mask, | |
1999 | &icmpv6_key.icmpv6_code, &icmpv6_code_mask, &n) > 0 | |
2000 | && n > 0) { | |
2001 | nl_msg_put_unspec(key, OVS_KEY_ATTR_ICMPV6, | |
2002 | &icmpv6_key, sizeof icmpv6_key); | |
2003 | ||
2004 | icmpv6_mask.icmpv6_type = icmpv6_type_mask; | |
2005 | icmpv6_mask.icmpv6_code = icmpv6_code_mask; | |
2006 | nl_msg_put_unspec(mask, OVS_KEY_ATTR_ICMPV6, &icmpv6_mask, | |
2007 | sizeof icmpv6_mask); | |
2008 | return n; | |
2009 | } else if (sscanf(s, "icmpv6(type=%"SCNi8",code=%"SCNi8")%n", | |
3bffc610 BP |
2010 | &icmpv6_key.icmpv6_type, &icmpv6_key.icmpv6_code,&n) > 0 |
2011 | && n > 0) { | |
df2c07f4 | 2012 | nl_msg_put_unspec(key, OVS_KEY_ATTR_ICMPV6, |
3bffc610 | 2013 | &icmpv6_key, sizeof icmpv6_key); |
e6cc0bab AZ |
2014 | |
2015 | if (mask) { | |
2016 | memset(&icmpv6_key, 0xff, sizeof icmpv6_key); | |
2017 | nl_msg_put_unspec(mask, OVS_KEY_ATTR_ICMPV6, &icmpv6_key, | |
2018 | sizeof icmpv6_key); | |
2019 | } | |
3bffc610 BP |
2020 | return n; |
2021 | } | |
2022 | } | |
2023 | ||
2024 | { | |
e6cc0bab AZ |
2025 | ovs_be32 arp_sip, arp_sip_mask; |
2026 | ovs_be32 arp_tip, arp_tip_mask; | |
2027 | int arp_op, arp_op_mask; | |
3bffc610 | 2028 | uint8_t arp_sha[ETH_ADDR_LEN]; |
e6cc0bab | 2029 | uint8_t arp_sha_mask[ETH_ADDR_LEN]; |
3bffc610 | 2030 | uint8_t arp_tha[ETH_ADDR_LEN]; |
e6cc0bab | 2031 | uint8_t arp_tha_mask[ETH_ADDR_LEN]; |
3bffc610 BP |
2032 | int n = -1; |
2033 | ||
e6cc0bab AZ |
2034 | if (mask && sscanf(s, "arp(sip="IP_SCAN_FMT"/"IP_SCAN_FMT"," |
2035 | "tip="IP_SCAN_FMT"/"IP_SCAN_FMT"," | |
2036 | "op=%i/%i,sha="ETH_ADDR_SCAN_FMT"/"ETH_ADDR_SCAN_FMT"," | |
2037 | "tha="ETH_ADDR_SCAN_FMT"/"ETH_ADDR_SCAN_FMT")%n", | |
2038 | IP_SCAN_ARGS(&arp_sip), IP_SCAN_ARGS(&arp_sip_mask), | |
2039 | IP_SCAN_ARGS(&arp_tip), IP_SCAN_ARGS(&arp_tip_mask), | |
2040 | &arp_op, &arp_op_mask, | |
2041 | ETH_ADDR_SCAN_ARGS(arp_sha), | |
2042 | ETH_ADDR_SCAN_ARGS(arp_sha_mask), | |
2043 | ETH_ADDR_SCAN_ARGS(arp_tha), | |
2044 | ETH_ADDR_SCAN_ARGS(arp_tha_mask), &n) > 0 && n > 0) { | |
2045 | struct ovs_key_arp arp_key; | |
2046 | struct ovs_key_arp arp_mask; | |
2047 | ||
2048 | memset(&arp_key, 0, sizeof arp_key); | |
2049 | arp_key.arp_sip = arp_sip; | |
2050 | arp_key.arp_tip = arp_tip; | |
2051 | arp_key.arp_op = htons(arp_op); | |
2052 | memcpy(arp_key.arp_sha, arp_sha, ETH_ADDR_LEN); | |
2053 | memcpy(arp_key.arp_tha, arp_tha, ETH_ADDR_LEN); | |
2054 | nl_msg_put_unspec(key, OVS_KEY_ATTR_ARP, &arp_key, sizeof arp_key); | |
2055 | ||
2056 | arp_mask.arp_sip = arp_sip_mask; | |
2057 | arp_mask.arp_tip = arp_tip_mask; | |
2058 | arp_mask.arp_op = htons(arp_op_mask); | |
2059 | memcpy(arp_mask.arp_sha, arp_sha_mask, ETH_ADDR_LEN); | |
2060 | memcpy(arp_mask.arp_tha, arp_tha_mask, ETH_ADDR_LEN); | |
2061 | nl_msg_put_unspec(mask, OVS_KEY_ATTR_ARP, | |
2062 | &arp_mask, sizeof arp_mask); | |
2063 | return n; | |
2064 | } else if (sscanf(s, "arp(sip="IP_SCAN_FMT",tip="IP_SCAN_FMT"," | |
3bffc610 BP |
2065 | "op=%i,sha="ETH_ADDR_SCAN_FMT",tha="ETH_ADDR_SCAN_FMT")%n", |
2066 | IP_SCAN_ARGS(&arp_sip), | |
2067 | IP_SCAN_ARGS(&arp_tip), | |
2068 | &arp_op, | |
2069 | ETH_ADDR_SCAN_ARGS(arp_sha), | |
2070 | ETH_ADDR_SCAN_ARGS(arp_tha), &n) > 0 && n > 0) { | |
df2c07f4 | 2071 | struct ovs_key_arp arp_key; |
3bffc610 BP |
2072 | |
2073 | memset(&arp_key, 0, sizeof arp_key); | |
2074 | arp_key.arp_sip = arp_sip; | |
2075 | arp_key.arp_tip = arp_tip; | |
2076 | arp_key.arp_op = htons(arp_op); | |
2077 | memcpy(arp_key.arp_sha, arp_sha, ETH_ADDR_LEN); | |
2078 | memcpy(arp_key.arp_tha, arp_tha, ETH_ADDR_LEN); | |
df2c07f4 | 2079 | nl_msg_put_unspec(key, OVS_KEY_ATTR_ARP, &arp_key, sizeof arp_key); |
e6cc0bab AZ |
2080 | |
2081 | if (mask) { | |
2082 | memset(&arp_key, 0xff, sizeof arp_key); | |
2083 | nl_msg_put_unspec(mask, OVS_KEY_ATTR_ARP, | |
2084 | &arp_key, sizeof arp_key); | |
2085 | } | |
3bffc610 BP |
2086 | return n; |
2087 | } | |
2088 | } | |
2089 | ||
2090 | { | |
2091 | char nd_target_s[IPV6_SCAN_LEN + 1]; | |
e6cc0bab | 2092 | char nd_target_mask_s[IPV6_SCAN_LEN + 1]; |
3bffc610 | 2093 | uint8_t nd_sll[ETH_ADDR_LEN]; |
e6cc0bab | 2094 | uint8_t nd_sll_mask[ETH_ADDR_LEN]; |
3bffc610 | 2095 | uint8_t nd_tll[ETH_ADDR_LEN]; |
e6cc0bab | 2096 | uint8_t nd_tll_mask[ETH_ADDR_LEN]; |
3bffc610 BP |
2097 | int n = -1; |
2098 | ||
e6cc0bab AZ |
2099 | memset(&nd_target_mask_s[0], 0xff, sizeof nd_target_s); |
2100 | memset(&nd_sll_mask[0], 0xff, sizeof nd_sll); | |
2101 | memset(&nd_tll_mask [0], 0xff, sizeof nd_tll); | |
2102 | ||
2103 | if (mask && sscanf(s, "nd(target="IPV6_SCAN_FMT"/"IPV6_SCAN_FMT")%n", | |
2104 | nd_target_s, nd_target_mask_s, &n) > 0 && n > 0) { | |
2105 | put_nd_key(n, nd_target_s, NULL, NULL, key); | |
2106 | put_nd_key(n, nd_target_mask_s, NULL, NULL, mask); | |
2107 | } else if (sscanf(s, "nd(target="IPV6_SCAN_FMT")%n", | |
3bffc610 | 2108 | nd_target_s, &n) > 0 && n > 0) { |
e6cc0bab AZ |
2109 | put_nd_key(n, nd_target_s, NULL, NULL, key); |
2110 | if (mask) { | |
2111 | put_nd_key(n, nd_target_mask_s, NULL, NULL, mask); | |
2112 | } | |
2113 | } else if (mask && sscanf(s, "nd(target="IPV6_SCAN_FMT"/"IPV6_SCAN_FMT | |
2114 | ",sll="ETH_ADDR_SCAN_FMT"/"ETH_ADDR_SCAN_FMT")%n", | |
2115 | nd_target_s, nd_target_mask_s, | |
2116 | ETH_ADDR_SCAN_ARGS(nd_sll), | |
2117 | ETH_ADDR_SCAN_ARGS(nd_sll_mask), &n) > 0 && n > 0) { | |
2118 | put_nd_key(n, nd_target_s, nd_sll, NULL, key); | |
2119 | put_nd_key(n, nd_target_mask_s, nd_sll_mask, NULL, mask); | |
2120 | } else if (sscanf(s, "nd(target="IPV6_SCAN_FMT",sll="ETH_ADDR_SCAN_FMT")%n", | |
3bffc610 BP |
2121 | nd_target_s, ETH_ADDR_SCAN_ARGS(nd_sll), &n) > 0 |
2122 | && n > 0) { | |
e6cc0bab AZ |
2123 | put_nd_key(n, nd_target_s, nd_sll, NULL, key); |
2124 | if (mask) { | |
2125 | put_nd_key(n, nd_target_mask_s, nd_sll_mask, NULL, mask); | |
2126 | } | |
2127 | } else if (mask && sscanf(s, "nd(target="IPV6_SCAN_FMT"/"IPV6_SCAN_FMT | |
2128 | ",tll="ETH_ADDR_SCAN_FMT"/"ETH_ADDR_SCAN_FMT")%n", | |
2129 | nd_target_s, nd_target_mask_s, | |
2130 | ETH_ADDR_SCAN_ARGS(nd_tll), | |
2131 | ETH_ADDR_SCAN_ARGS(nd_tll_mask), &n) > 0 && n > 0) { | |
2132 | put_nd_key(n, nd_target_s, NULL, nd_tll, key); | |
2133 | put_nd_key(n, nd_target_mask_s, NULL, nd_tll_mask, mask); | |
2134 | } else if (sscanf(s, "nd(target="IPV6_SCAN_FMT",tll="ETH_ADDR_SCAN_FMT")%n", | |
3bffc610 BP |
2135 | nd_target_s, ETH_ADDR_SCAN_ARGS(nd_tll), &n) > 0 |
2136 | && n > 0) { | |
e6cc0bab AZ |
2137 | put_nd_key(n, nd_target_s, NULL, nd_tll, key); |
2138 | if (mask) { | |
2139 | put_nd_key(n, nd_target_mask_s, NULL, nd_tll_mask, mask); | |
2140 | } | |
2141 | } else if (mask && sscanf(s, "nd(target="IPV6_SCAN_FMT"/"IPV6_SCAN_FMT | |
2142 | ",sll="ETH_ADDR_SCAN_FMT"/"ETH_ADDR_SCAN_FMT"," | |
2143 | "tll="ETH_ADDR_SCAN_FMT"/"ETH_ADDR_SCAN_FMT")%n", | |
2144 | nd_target_s, nd_target_mask_s, | |
2145 | ETH_ADDR_SCAN_ARGS(nd_sll), ETH_ADDR_SCAN_ARGS(nd_sll_mask), | |
2146 | ETH_ADDR_SCAN_ARGS(nd_tll), ETH_ADDR_SCAN_ARGS(nd_tll_mask), | |
2147 | &n) > 0 | |
2148 | && n > 0) { | |
2149 | put_nd_key(n, nd_target_s, nd_sll, nd_tll, key); | |
2150 | put_nd_key(n, nd_target_mask_s, nd_sll_mask, nd_tll_mask, mask); | |
2151 | } else if (sscanf(s, "nd(target="IPV6_SCAN_FMT",sll="ETH_ADDR_SCAN_FMT"," | |
3bffc610 BP |
2152 | "tll="ETH_ADDR_SCAN_FMT")%n", |
2153 | nd_target_s, ETH_ADDR_SCAN_ARGS(nd_sll), | |
2154 | ETH_ADDR_SCAN_ARGS(nd_tll), &n) > 0 | |
2155 | && n > 0) { | |
e6cc0bab AZ |
2156 | put_nd_key(n, nd_target_s, nd_sll, nd_tll, key); |
2157 | if (mask) { | |
2158 | put_nd_key(n, nd_target_mask_s, nd_sll_mask, nd_tll_mask, mask); | |
2159 | } | |
3bffc610 | 2160 | } |
e6cc0bab AZ |
2161 | |
2162 | if (n != -1) | |
2163 | return n; | |
2164 | ||
3bffc610 BP |
2165 | } |
2166 | ||
fea393b1 BP |
2167 | if (!strncmp(s, "encap(", 6)) { |
2168 | const char *start = s; | |
e6cc0bab | 2169 | size_t encap, encap_mask = 0; |
fea393b1 BP |
2170 | |
2171 | encap = nl_msg_start_nested(key, OVS_KEY_ATTR_ENCAP); | |
e6cc0bab AZ |
2172 | if (mask) { |
2173 | encap_mask = nl_msg_start_nested(mask, OVS_KEY_ATTR_ENCAP); | |
2174 | } | |
fea393b1 BP |
2175 | |
2176 | s += 6; | |
2177 | for (;;) { | |
2178 | int retval; | |
2179 | ||
2180 | s += strspn(s, ", \t\r\n"); | |
2181 | if (!*s) { | |
2182 | return -EINVAL; | |
2183 | } else if (*s == ')') { | |
2184 | break; | |
2185 | } | |
2186 | ||
e6cc0bab | 2187 | retval = parse_odp_key_mask_attr(s, port_names, key, mask); |
fea393b1 BP |
2188 | if (retval < 0) { |
2189 | return retval; | |
2190 | } | |
2191 | s += retval; | |
2192 | } | |
2193 | s++; | |
2194 | ||
2195 | nl_msg_end_nested(key, encap); | |
e6cc0bab AZ |
2196 | if (mask) { |
2197 | nl_msg_end_nested(mask, encap_mask); | |
2198 | } | |
fea393b1 BP |
2199 | |
2200 | return s - start; | |
2201 | } | |
2202 | ||
3bffc610 BP |
2203 | return -EINVAL; |
2204 | } | |
2205 | ||
df2c07f4 JP |
2206 | /* Parses the string representation of a datapath flow key, in the |
2207 | * format output by odp_flow_key_format(). Returns 0 if successful, | |
2208 | * otherwise a positive errno value. On success, the flow key is | |
2209 | * appended to 'key' as a series of Netlink attributes. On failure, no | |
2210 | * data is appended to 'key'. Either way, 'key''s data might be | |
2211 | * reallocated. | |
3bffc610 | 2212 | * |
44bac24b BP |
2213 | * If 'port_names' is nonnull, it points to an simap that maps from a port name |
2214 | * to a port number. (Port names may be used instead of port numbers in | |
2215 | * in_port.) | |
b2a60db8 | 2216 | * |
3bffc610 BP |
2217 | * On success, the attributes appended to 'key' are individually syntactically |
2218 | * valid, but they may not be valid as a sequence. 'key' might, for example, | |
34118cae | 2219 | * have duplicated keys. odp_flow_key_to_flow() will detect those errors. */ |
3bffc610 | 2220 | int |
e6cc0bab AZ |
2221 | odp_flow_from_string(const char *s, const struct simap *port_names, |
2222 | struct ofpbuf *key, struct ofpbuf *mask) | |
3bffc610 BP |
2223 | { |
2224 | const size_t old_size = key->size; | |
2225 | for (;;) { | |
2226 | int retval; | |
2227 | ||
7202cbe5 | 2228 | s += strspn(s, delimiters); |
3bffc610 BP |
2229 | if (!*s) { |
2230 | return 0; | |
2231 | } | |
2232 | ||
e6cc0bab | 2233 | retval = parse_odp_key_mask_attr(s, port_names, key, mask); |
3bffc610 BP |
2234 | if (retval < 0) { |
2235 | key->size = old_size; | |
2236 | return -retval; | |
2237 | } | |
2238 | s += retval; | |
2239 | } | |
2240 | ||
2241 | return 0; | |
2242 | } | |
2243 | ||
7257b535 | 2244 | static uint8_t |
c4f2731d | 2245 | ovs_to_odp_frag(uint8_t nw_frag) |
7257b535 | 2246 | { |
c4f2731d PS |
2247 | return (nw_frag == 0 ? OVS_FRAG_TYPE_NONE |
2248 | : nw_frag == FLOW_NW_FRAG_ANY ? OVS_FRAG_TYPE_FIRST | |
2249 | : OVS_FRAG_TYPE_LATER); | |
7257b535 BP |
2250 | } |
2251 | ||
2508ac16 | 2252 | /* Appends a representation of 'flow' as OVS_KEY_ATTR_* attributes to 'buf'. |
ddbfda84 JP |
2253 | * 'flow->in_port' is ignored (since it is likely to be an OpenFlow port |
2254 | * number rather than a datapath port number). Instead, if 'odp_in_port' | |
2255 | * is anything other than OVSP_NONE, it is included in 'buf' as the input | |
2256 | * port. | |
2508ac16 BP |
2257 | * |
2258 | * 'buf' must have at least ODPUTIL_FLOW_KEY_BYTES bytes of space, or be | |
2259 | * capable of being expanded to allow for that much space. */ | |
14608a15 | 2260 | void |
ddbfda84 JP |
2261 | odp_flow_key_from_flow(struct ofpbuf *buf, const struct flow *flow, |
2262 | uint32_t odp_in_port) | |
14608a15 | 2263 | { |
df2c07f4 | 2264 | struct ovs_key_ethernet *eth_key; |
fea393b1 | 2265 | size_t encap; |
36956a7d | 2266 | |
deedf7e7 BP |
2267 | if (flow->skb_priority) { |
2268 | nl_msg_put_u32(buf, OVS_KEY_ATTR_PRIORITY, flow->skb_priority); | |
abff858b PS |
2269 | } |
2270 | ||
05fb0928 | 2271 | if (flow->tunnel.ip_dst) { |
9b405f1a | 2272 | tun_key_to_attr(buf, &flow->tunnel); |
36956a7d BP |
2273 | } |
2274 | ||
72e8bf28 AA |
2275 | if (flow->skb_mark) { |
2276 | nl_msg_put_u32(buf, OVS_KEY_ATTR_SKB_MARK, flow->skb_mark); | |
2277 | } | |
2278 | ||
ddbfda84 JP |
2279 | if (odp_in_port != OVSP_NONE) { |
2280 | nl_msg_put_u32(buf, OVS_KEY_ATTR_IN_PORT, odp_in_port); | |
18886b60 | 2281 | } |
36956a7d | 2282 | |
df2c07f4 | 2283 | eth_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_ETHERNET, |
36956a7d BP |
2284 | sizeof *eth_key); |
2285 | memcpy(eth_key->eth_src, flow->dl_src, ETH_ADDR_LEN); | |
2286 | memcpy(eth_key->eth_dst, flow->dl_dst, ETH_ADDR_LEN); | |
2287 | ||
8ddc056d | 2288 | if (flow->vlan_tci != htons(0) || flow->dl_type == htons(ETH_TYPE_VLAN)) { |
fea393b1 | 2289 | nl_msg_put_be16(buf, OVS_KEY_ATTR_ETHERTYPE, htons(ETH_TYPE_VLAN)); |
8ddc056d | 2290 | nl_msg_put_be16(buf, OVS_KEY_ATTR_VLAN, flow->vlan_tci); |
fea393b1 | 2291 | encap = nl_msg_start_nested(buf, OVS_KEY_ATTR_ENCAP); |
8ddc056d BP |
2292 | if (flow->vlan_tci == htons(0)) { |
2293 | goto unencap; | |
2294 | } | |
fea393b1 BP |
2295 | } else { |
2296 | encap = 0; | |
36956a7d BP |
2297 | } |
2298 | ||
2299 | if (ntohs(flow->dl_type) < ETH_TYPE_MIN) { | |
fea393b1 | 2300 | goto unencap; |
36956a7d BP |
2301 | } |
2302 | ||
df2c07f4 | 2303 | nl_msg_put_be16(buf, OVS_KEY_ATTR_ETHERTYPE, flow->dl_type); |
36956a7d BP |
2304 | |
2305 | if (flow->dl_type == htons(ETH_TYPE_IP)) { | |
df2c07f4 | 2306 | struct ovs_key_ipv4 *ipv4_key; |
36956a7d | 2307 | |
df2c07f4 | 2308 | ipv4_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_IPV4, |
36956a7d BP |
2309 | sizeof *ipv4_key); |
2310 | ipv4_key->ipv4_src = flow->nw_src; | |
2311 | ipv4_key->ipv4_dst = flow->nw_dst; | |
2312 | ipv4_key->ipv4_proto = flow->nw_proto; | |
eadef313 | 2313 | ipv4_key->ipv4_tos = flow->nw_tos; |
a61680c6 | 2314 | ipv4_key->ipv4_ttl = flow->nw_ttl; |
eadef313 | 2315 | ipv4_key->ipv4_frag = ovs_to_odp_frag(flow->nw_frag); |
d31f1109 | 2316 | } else if (flow->dl_type == htons(ETH_TYPE_IPV6)) { |
df2c07f4 | 2317 | struct ovs_key_ipv6 *ipv6_key; |
d31f1109 | 2318 | |
df2c07f4 | 2319 | ipv6_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_IPV6, |
d31f1109 JP |
2320 | sizeof *ipv6_key); |
2321 | memcpy(ipv6_key->ipv6_src, &flow->ipv6_src, sizeof ipv6_key->ipv6_src); | |
2322 | memcpy(ipv6_key->ipv6_dst, &flow->ipv6_dst, sizeof ipv6_key->ipv6_dst); | |
fa8223b7 | 2323 | ipv6_key->ipv6_label = flow->ipv6_label; |
d31f1109 | 2324 | ipv6_key->ipv6_proto = flow->nw_proto; |
eadef313 | 2325 | ipv6_key->ipv6_tclass = flow->nw_tos; |
a61680c6 | 2326 | ipv6_key->ipv6_hlimit = flow->nw_ttl; |
eadef313 | 2327 | ipv6_key->ipv6_frag = ovs_to_odp_frag(flow->nw_frag); |
8087f5ff MM |
2328 | } else if (flow->dl_type == htons(ETH_TYPE_ARP) || |
2329 | flow->dl_type == htons(ETH_TYPE_RARP)) { | |
df2c07f4 | 2330 | struct ovs_key_arp *arp_key; |
d31f1109 | 2331 | |
df2c07f4 | 2332 | arp_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_ARP, |
d31f1109 | 2333 | sizeof *arp_key); |
535d6987 | 2334 | memset(arp_key, 0, sizeof *arp_key); |
d31f1109 JP |
2335 | arp_key->arp_sip = flow->nw_src; |
2336 | arp_key->arp_tip = flow->nw_dst; | |
2337 | arp_key->arp_op = htons(flow->nw_proto); | |
2338 | memcpy(arp_key->arp_sha, flow->arp_sha, ETH_ADDR_LEN); | |
2339 | memcpy(arp_key->arp_tha, flow->arp_tha, ETH_ADDR_LEN); | |
2340 | } | |
b53055f4 | 2341 | |
b02475c5 SH |
2342 | if (flow->mpls_depth) { |
2343 | struct ovs_key_mpls *mpls_key; | |
2344 | ||
2345 | mpls_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_MPLS, | |
2346 | sizeof *mpls_key); | |
20131cef | 2347 | mpls_key->mpls_lse = flow->mpls_lse; |
b02475c5 SH |
2348 | } |
2349 | ||
48cecbdc | 2350 | if (is_ip_any(flow) && !(flow->nw_frag & FLOW_NW_FRAG_LATER)) { |
6767a2cc | 2351 | if (flow->nw_proto == IPPROTO_TCP) { |
df2c07f4 | 2352 | struct ovs_key_tcp *tcp_key; |
36956a7d | 2353 | |
df2c07f4 | 2354 | tcp_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_TCP, |
36956a7d BP |
2355 | sizeof *tcp_key); |
2356 | tcp_key->tcp_src = flow->tp_src; | |
2357 | tcp_key->tcp_dst = flow->tp_dst; | |
6767a2cc | 2358 | } else if (flow->nw_proto == IPPROTO_UDP) { |
df2c07f4 | 2359 | struct ovs_key_udp *udp_key; |
36956a7d | 2360 | |
df2c07f4 | 2361 | udp_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_UDP, |
36956a7d BP |
2362 | sizeof *udp_key); |
2363 | udp_key->udp_src = flow->tp_src; | |
2364 | udp_key->udp_dst = flow->tp_dst; | |
d31f1109 JP |
2365 | } else if (flow->dl_type == htons(ETH_TYPE_IP) |
2366 | && flow->nw_proto == IPPROTO_ICMP) { | |
df2c07f4 | 2367 | struct ovs_key_icmp *icmp_key; |
36956a7d | 2368 | |
df2c07f4 | 2369 | icmp_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_ICMP, |
36956a7d BP |
2370 | sizeof *icmp_key); |
2371 | icmp_key->icmp_type = ntohs(flow->tp_src); | |
2372 | icmp_key->icmp_code = ntohs(flow->tp_dst); | |
d31f1109 JP |
2373 | } else if (flow->dl_type == htons(ETH_TYPE_IPV6) |
2374 | && flow->nw_proto == IPPROTO_ICMPV6) { | |
df2c07f4 | 2375 | struct ovs_key_icmpv6 *icmpv6_key; |
d31f1109 | 2376 | |
df2c07f4 | 2377 | icmpv6_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_ICMPV6, |
d31f1109 JP |
2378 | sizeof *icmpv6_key); |
2379 | icmpv6_key->icmpv6_type = ntohs(flow->tp_src); | |
2380 | icmpv6_key->icmpv6_code = ntohs(flow->tp_dst); | |
685a51a5 JP |
2381 | |
2382 | if (icmpv6_key->icmpv6_type == ND_NEIGHBOR_SOLICIT | |
2383 | || icmpv6_key->icmpv6_type == ND_NEIGHBOR_ADVERT) { | |
df2c07f4 | 2384 | struct ovs_key_nd *nd_key; |
685a51a5 | 2385 | |
df2c07f4 | 2386 | nd_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_ND, |
685a51a5 JP |
2387 | sizeof *nd_key); |
2388 | memcpy(nd_key->nd_target, &flow->nd_target, | |
2389 | sizeof nd_key->nd_target); | |
2390 | memcpy(nd_key->nd_sll, flow->arp_sha, ETH_ADDR_LEN); | |
2391 | memcpy(nd_key->nd_tll, flow->arp_tha, ETH_ADDR_LEN); | |
2392 | } | |
36956a7d | 2393 | } |
36956a7d | 2394 | } |
fea393b1 BP |
2395 | |
2396 | unencap: | |
2397 | if (encap) { | |
2398 | nl_msg_end_nested(buf, encap); | |
2399 | } | |
36956a7d BP |
2400 | } |
2401 | ||
b0f7b9b5 BP |
2402 | uint32_t |
2403 | odp_flow_key_hash(const struct nlattr *key, size_t key_len) | |
2404 | { | |
2405 | BUILD_ASSERT_DECL(!(NLA_ALIGNTO % sizeof(uint32_t))); | |
2406 | return hash_words((const uint32_t *) key, key_len / sizeof(uint32_t), 0); | |
2407 | } | |
2408 | ||
34118cae BP |
2409 | static void |
2410 | log_odp_key_attributes(struct vlog_rate_limit *rl, const char *title, | |
b0f7b9b5 | 2411 | uint64_t attrs, int out_of_range_attr, |
34118cae BP |
2412 | const struct nlattr *key, size_t key_len) |
2413 | { | |
2414 | struct ds s; | |
2415 | int i; | |
2416 | ||
b0f7b9b5 | 2417 | if (VLOG_DROP_DBG(rl)) { |
34118cae BP |
2418 | return; |
2419 | } | |
2420 | ||
2421 | ds_init(&s); | |
b0f7b9b5 BP |
2422 | for (i = 0; i < 64; i++) { |
2423 | if (attrs & (UINT64_C(1) << i)) { | |
e6603631 BP |
2424 | char namebuf[OVS_KEY_ATTR_BUFSIZE]; |
2425 | ||
2426 | ds_put_format(&s, " %s", | |
2427 | ovs_key_attr_to_string(i, namebuf, sizeof namebuf)); | |
34118cae BP |
2428 | } |
2429 | } | |
b0f7b9b5 BP |
2430 | if (out_of_range_attr) { |
2431 | ds_put_format(&s, " %d (and possibly others)", out_of_range_attr); | |
2432 | } | |
34118cae BP |
2433 | |
2434 | ds_put_cstr(&s, ": "); | |
2435 | odp_flow_key_format(key, key_len, &s); | |
2436 | ||
b0f7b9b5 | 2437 | VLOG_DBG("%s:%s", title, ds_cstr(&s)); |
34118cae BP |
2438 | ds_destroy(&s); |
2439 | } | |
2440 | ||
7257b535 | 2441 | static bool |
9e44d715 | 2442 | odp_to_ovs_frag(uint8_t odp_frag, struct flow *flow) |
7257b535 | 2443 | { |
34118cae BP |
2444 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); |
2445 | ||
9e44d715 | 2446 | if (odp_frag > OVS_FRAG_TYPE_LATER) { |
b0f7b9b5 | 2447 | VLOG_ERR_RL(&rl, "invalid frag %"PRIu8" in flow key", odp_frag); |
7257b535 BP |
2448 | return false; |
2449 | } | |
2450 | ||
7257b535 | 2451 | if (odp_frag != OVS_FRAG_TYPE_NONE) { |
eadef313 | 2452 | flow->nw_frag |= FLOW_NW_FRAG_ANY; |
7257b535 | 2453 | if (odp_frag == OVS_FRAG_TYPE_LATER) { |
eadef313 | 2454 | flow->nw_frag |= FLOW_NW_FRAG_LATER; |
7257b535 BP |
2455 | } |
2456 | } | |
2457 | return true; | |
2458 | } | |
2459 | ||
b0f7b9b5 | 2460 | static bool |
fea393b1 | 2461 | parse_flow_nlattrs(const struct nlattr *key, size_t key_len, |
b0f7b9b5 BP |
2462 | const struct nlattr *attrs[], uint64_t *present_attrsp, |
2463 | int *out_of_range_attrp) | |
36956a7d | 2464 | { |
b0f7b9b5 | 2465 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(10, 10); |
36956a7d | 2466 | const struct nlattr *nla; |
34118cae | 2467 | uint64_t present_attrs; |
36956a7d BP |
2468 | size_t left; |
2469 | ||
2aef1214 | 2470 | BUILD_ASSERT(OVS_KEY_ATTR_MAX < CHAR_BIT * sizeof present_attrs); |
34118cae | 2471 | present_attrs = 0; |
b0f7b9b5 | 2472 | *out_of_range_attrp = 0; |
36956a7d | 2473 | NL_ATTR_FOR_EACH (nla, left, key, key_len) { |
34118cae BP |
2474 | uint16_t type = nl_attr_type(nla); |
2475 | size_t len = nl_attr_get_size(nla); | |
2476 | int expected_len = odp_flow_key_attr_len(type); | |
2477 | ||
b0f7b9b5 | 2478 | if (len != expected_len && expected_len >= 0) { |
e6603631 BP |
2479 | char namebuf[OVS_KEY_ATTR_BUFSIZE]; |
2480 | ||
b0f7b9b5 | 2481 | VLOG_ERR_RL(&rl, "attribute %s has length %zu but should have " |
e6603631 BP |
2482 | "length %d", ovs_key_attr_to_string(type, namebuf, |
2483 | sizeof namebuf), | |
b0f7b9b5 BP |
2484 | len, expected_len); |
2485 | return false; | |
34118cae BP |
2486 | } |
2487 | ||
2aef1214 | 2488 | if (type > OVS_KEY_ATTR_MAX) { |
b0f7b9b5 BP |
2489 | *out_of_range_attrp = type; |
2490 | } else { | |
2491 | if (present_attrs & (UINT64_C(1) << type)) { | |
e6603631 BP |
2492 | char namebuf[OVS_KEY_ATTR_BUFSIZE]; |
2493 | ||
b0f7b9b5 | 2494 | VLOG_ERR_RL(&rl, "duplicate %s attribute in flow key", |
e6603631 BP |
2495 | ovs_key_attr_to_string(type, |
2496 | namebuf, sizeof namebuf)); | |
b0f7b9b5 BP |
2497 | return false; |
2498 | } | |
2499 | ||
2500 | present_attrs |= UINT64_C(1) << type; | |
2501 | attrs[type] = nla; | |
2502 | } | |
34118cae BP |
2503 | } |
2504 | if (left) { | |
2505 | VLOG_ERR_RL(&rl, "trailing garbage in flow key"); | |
b0f7b9b5 | 2506 | return false; |
34118cae BP |
2507 | } |
2508 | ||
fea393b1 | 2509 | *present_attrsp = present_attrs; |
b0f7b9b5 | 2510 | return true; |
fea393b1 BP |
2511 | } |
2512 | ||
b0f7b9b5 BP |
2513 | static enum odp_key_fitness |
2514 | check_expectations(uint64_t present_attrs, int out_of_range_attr, | |
2515 | uint64_t expected_attrs, | |
fea393b1 BP |
2516 | const struct nlattr *key, size_t key_len) |
2517 | { | |
2518 | uint64_t missing_attrs; | |
2519 | uint64_t extra_attrs; | |
2520 | ||
2521 | missing_attrs = expected_attrs & ~present_attrs; | |
2522 | if (missing_attrs) { | |
b0f7b9b5 BP |
2523 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(10, 10); |
2524 | log_odp_key_attributes(&rl, "expected but not present", | |
2525 | missing_attrs, 0, key, key_len); | |
2526 | return ODP_FIT_TOO_LITTLE; | |
fea393b1 BP |
2527 | } |
2528 | ||
2529 | extra_attrs = present_attrs & ~expected_attrs; | |
b0f7b9b5 BP |
2530 | if (extra_attrs || out_of_range_attr) { |
2531 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(10, 10); | |
2532 | log_odp_key_attributes(&rl, "present but not expected", | |
2533 | extra_attrs, out_of_range_attr, key, key_len); | |
2534 | return ODP_FIT_TOO_MUCH; | |
fea393b1 BP |
2535 | } |
2536 | ||
b0f7b9b5 | 2537 | return ODP_FIT_PERFECT; |
fea393b1 BP |
2538 | } |
2539 | ||
b0f7b9b5 BP |
2540 | static bool |
2541 | parse_ethertype(const struct nlattr *attrs[OVS_KEY_ATTR_MAX + 1], | |
2542 | uint64_t present_attrs, uint64_t *expected_attrs, | |
2543 | struct flow *flow) | |
fea393b1 BP |
2544 | { |
2545 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); | |
36956a7d | 2546 | |
fea393b1 | 2547 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ETHERTYPE)) { |
34118cae BP |
2548 | flow->dl_type = nl_attr_get_be16(attrs[OVS_KEY_ATTR_ETHERTYPE]); |
2549 | if (ntohs(flow->dl_type) < 1536) { | |
2550 | VLOG_ERR_RL(&rl, "invalid Ethertype %"PRIu16" in flow key", | |
2551 | ntohs(flow->dl_type)); | |
b0f7b9b5 | 2552 | return false; |
34118cae | 2553 | } |
b0f7b9b5 | 2554 | *expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ETHERTYPE; |
34118cae BP |
2555 | } else { |
2556 | flow->dl_type = htons(FLOW_DL_TYPE_NONE); | |
2557 | } | |
b0f7b9b5 BP |
2558 | return true; |
2559 | } | |
2560 | ||
2561 | static enum odp_key_fitness | |
b02475c5 SH |
2562 | parse_l2_5_onward(const struct nlattr *attrs[OVS_KEY_ATTR_MAX + 1], |
2563 | uint64_t present_attrs, int out_of_range_attr, | |
2564 | uint64_t expected_attrs, struct flow *flow, | |
2565 | const struct nlattr *key, size_t key_len) | |
b0f7b9b5 BP |
2566 | { |
2567 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); | |
36956a7d | 2568 | |
b02475c5 | 2569 | if (eth_type_mpls(flow->dl_type)) { |
b02475c5 SH |
2570 | expected_attrs |= (UINT64_C(1) << OVS_KEY_ATTR_MPLS); |
2571 | ||
b02475c5 SH |
2572 | if (!(present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_MPLS))) { |
2573 | return ODP_FIT_TOO_LITTLE; | |
2574 | } | |
2575 | flow->mpls_lse = nl_attr_get_be32(attrs[OVS_KEY_ATTR_MPLS]); | |
2576 | flow->mpls_depth++; | |
cff78c88 | 2577 | } else if (flow->dl_type == htons(ETH_TYPE_IP)) { |
34118cae | 2578 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_IPV4; |
fea393b1 | 2579 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_IPV4)) { |
34118cae | 2580 | const struct ovs_key_ipv4 *ipv4_key; |
36956a7d | 2581 | |
34118cae | 2582 | ipv4_key = nl_attr_get(attrs[OVS_KEY_ATTR_IPV4]); |
36956a7d BP |
2583 | flow->nw_src = ipv4_key->ipv4_src; |
2584 | flow->nw_dst = ipv4_key->ipv4_dst; | |
2585 | flow->nw_proto = ipv4_key->ipv4_proto; | |
eadef313 | 2586 | flow->nw_tos = ipv4_key->ipv4_tos; |
a61680c6 | 2587 | flow->nw_ttl = ipv4_key->ipv4_ttl; |
9e44d715 | 2588 | if (!odp_to_ovs_frag(ipv4_key->ipv4_frag, flow)) { |
b0f7b9b5 | 2589 | return ODP_FIT_ERROR; |
36956a7d | 2590 | } |
34118cae | 2591 | } |
cff78c88 | 2592 | } else if (flow->dl_type == htons(ETH_TYPE_IPV6)) { |
34118cae | 2593 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_IPV6; |
fea393b1 | 2594 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_IPV6)) { |
34118cae | 2595 | const struct ovs_key_ipv6 *ipv6_key; |
36956a7d | 2596 | |
34118cae | 2597 | ipv6_key = nl_attr_get(attrs[OVS_KEY_ATTR_IPV6]); |
d31f1109 JP |
2598 | memcpy(&flow->ipv6_src, ipv6_key->ipv6_src, sizeof flow->ipv6_src); |
2599 | memcpy(&flow->ipv6_dst, ipv6_key->ipv6_dst, sizeof flow->ipv6_dst); | |
fa8223b7 | 2600 | flow->ipv6_label = ipv6_key->ipv6_label; |
d31f1109 | 2601 | flow->nw_proto = ipv6_key->ipv6_proto; |
eadef313 | 2602 | flow->nw_tos = ipv6_key->ipv6_tclass; |
a61680c6 | 2603 | flow->nw_ttl = ipv6_key->ipv6_hlimit; |
9e44d715 | 2604 | if (!odp_to_ovs_frag(ipv6_key->ipv6_frag, flow)) { |
b0f7b9b5 | 2605 | return ODP_FIT_ERROR; |
d31f1109 | 2606 | } |
34118cae | 2607 | } |
cff78c88 SH |
2608 | } else if (flow->dl_type == htons(ETH_TYPE_ARP) || |
2609 | flow->dl_type == htons(ETH_TYPE_RARP)) { | |
34118cae | 2610 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ARP; |
fea393b1 | 2611 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ARP)) { |
34118cae | 2612 | const struct ovs_key_arp *arp_key; |
d31f1109 | 2613 | |
34118cae | 2614 | arp_key = nl_attr_get(attrs[OVS_KEY_ATTR_ARP]); |
36956a7d BP |
2615 | flow->nw_src = arp_key->arp_sip; |
2616 | flow->nw_dst = arp_key->arp_tip; | |
2617 | if (arp_key->arp_op & htons(0xff00)) { | |
34118cae BP |
2618 | VLOG_ERR_RL(&rl, "unsupported ARP opcode %"PRIu16" in flow " |
2619 | "key", ntohs(arp_key->arp_op)); | |
b0f7b9b5 | 2620 | return ODP_FIT_ERROR; |
36956a7d BP |
2621 | } |
2622 | flow->nw_proto = ntohs(arp_key->arp_op); | |
bad68a99 JP |
2623 | memcpy(flow->arp_sha, arp_key->arp_sha, ETH_ADDR_LEN); |
2624 | memcpy(flow->arp_tha, arp_key->arp_tha, ETH_ADDR_LEN); | |
36956a7d | 2625 | } |
36956a7d | 2626 | } |
36956a7d | 2627 | |
34118cae | 2628 | if (flow->nw_proto == IPPROTO_TCP |
cff78c88 SH |
2629 | && (flow->dl_type == htons(ETH_TYPE_IP) || |
2630 | flow->dl_type == htons(ETH_TYPE_IPV6)) | |
34118cae BP |
2631 | && !(flow->nw_frag & FLOW_NW_FRAG_LATER)) { |
2632 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_TCP; | |
fea393b1 | 2633 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_TCP)) { |
34118cae | 2634 | const struct ovs_key_tcp *tcp_key; |
36956a7d | 2635 | |
34118cae BP |
2636 | tcp_key = nl_attr_get(attrs[OVS_KEY_ATTR_TCP]); |
2637 | flow->tp_src = tcp_key->tcp_src; | |
2638 | flow->tp_dst = tcp_key->tcp_dst; | |
7257b535 | 2639 | } |
34118cae | 2640 | } else if (flow->nw_proto == IPPROTO_UDP |
cff78c88 SH |
2641 | && (flow->dl_type == htons(ETH_TYPE_IP) || |
2642 | flow->dl_type == htons(ETH_TYPE_IPV6)) | |
34118cae BP |
2643 | && !(flow->nw_frag & FLOW_NW_FRAG_LATER)) { |
2644 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_UDP; | |
fea393b1 | 2645 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_UDP)) { |
34118cae BP |
2646 | const struct ovs_key_udp *udp_key; |
2647 | ||
2648 | udp_key = nl_attr_get(attrs[OVS_KEY_ATTR_UDP]); | |
2649 | flow->tp_src = udp_key->udp_src; | |
2650 | flow->tp_dst = udp_key->udp_dst; | |
d31f1109 | 2651 | } |
34118cae | 2652 | } else if (flow->nw_proto == IPPROTO_ICMP |
cff78c88 | 2653 | && flow->dl_type == htons(ETH_TYPE_IP) |
34118cae BP |
2654 | && !(flow->nw_frag & FLOW_NW_FRAG_LATER)) { |
2655 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ICMP; | |
fea393b1 | 2656 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ICMP)) { |
34118cae BP |
2657 | const struct ovs_key_icmp *icmp_key; |
2658 | ||
2659 | icmp_key = nl_attr_get(attrs[OVS_KEY_ATTR_ICMP]); | |
2660 | flow->tp_src = htons(icmp_key->icmp_type); | |
2661 | flow->tp_dst = htons(icmp_key->icmp_code); | |
685a51a5 | 2662 | } |
34118cae | 2663 | } else if (flow->nw_proto == IPPROTO_ICMPV6 |
cff78c88 | 2664 | && flow->dl_type == htons(ETH_TYPE_IPV6) |
34118cae BP |
2665 | && !(flow->nw_frag & FLOW_NW_FRAG_LATER)) { |
2666 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ICMPV6; | |
fea393b1 | 2667 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ICMPV6)) { |
34118cae BP |
2668 | const struct ovs_key_icmpv6 *icmpv6_key; |
2669 | ||
2670 | icmpv6_key = nl_attr_get(attrs[OVS_KEY_ATTR_ICMPV6]); | |
2671 | flow->tp_src = htons(icmpv6_key->icmpv6_type); | |
2672 | flow->tp_dst = htons(icmpv6_key->icmpv6_code); | |
685a51a5 | 2673 | |
34118cae BP |
2674 | if (flow->tp_src == htons(ND_NEIGHBOR_SOLICIT) || |
2675 | flow->tp_src == htons(ND_NEIGHBOR_ADVERT)) { | |
2676 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ND; | |
fea393b1 | 2677 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ND)) { |
34118cae BP |
2678 | const struct ovs_key_nd *nd_key; |
2679 | ||
2680 | nd_key = nl_attr_get(attrs[OVS_KEY_ATTR_ND]); | |
2681 | memcpy(&flow->nd_target, nd_key->nd_target, | |
2682 | sizeof flow->nd_target); | |
2683 | memcpy(flow->arp_sha, nd_key->nd_sll, ETH_ADDR_LEN); | |
2684 | memcpy(flow->arp_tha, nd_key->nd_tll, ETH_ADDR_LEN); | |
2685 | } | |
2686 | } | |
7257b535 | 2687 | } |
34118cae | 2688 | } |
7257b535 | 2689 | |
b0f7b9b5 BP |
2690 | return check_expectations(present_attrs, out_of_range_attr, expected_attrs, |
2691 | key, key_len); | |
2692 | } | |
2693 | ||
2694 | /* Parse 802.1Q header then encapsulated L3 attributes. */ | |
2695 | static enum odp_key_fitness | |
2696 | parse_8021q_onward(const struct nlattr *attrs[OVS_KEY_ATTR_MAX + 1], | |
2697 | uint64_t present_attrs, int out_of_range_attr, | |
2698 | uint64_t expected_attrs, struct flow *flow, | |
2699 | const struct nlattr *key, size_t key_len) | |
2700 | { | |
2701 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); | |
2702 | ||
2703 | const struct nlattr *encap | |
2704 | = (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ENCAP) | |
2705 | ? attrs[OVS_KEY_ATTR_ENCAP] : NULL); | |
2706 | enum odp_key_fitness encap_fitness; | |
2707 | enum odp_key_fitness fitness; | |
2708 | ovs_be16 tci; | |
2709 | ||
ec9f40dc | 2710 | /* Calculate fitness of outer attributes. */ |
b0f7b9b5 BP |
2711 | expected_attrs |= ((UINT64_C(1) << OVS_KEY_ATTR_VLAN) | |
2712 | (UINT64_C(1) << OVS_KEY_ATTR_ENCAP)); | |
2713 | fitness = check_expectations(present_attrs, out_of_range_attr, | |
2714 | expected_attrs, key, key_len); | |
2715 | ||
2716 | /* Get the VLAN TCI value. */ | |
2717 | if (!(present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_VLAN))) { | |
2718 | return ODP_FIT_TOO_LITTLE; | |
2719 | } | |
2720 | tci = nl_attr_get_be16(attrs[OVS_KEY_ATTR_VLAN]); | |
2721 | if (tci == htons(0)) { | |
2722 | /* Corner case for a truncated 802.1Q header. */ | |
2723 | if (fitness == ODP_FIT_PERFECT && nl_attr_get_size(encap)) { | |
2724 | return ODP_FIT_TOO_MUCH; | |
2725 | } | |
2726 | return fitness; | |
2727 | } else if (!(tci & htons(VLAN_CFI))) { | |
2728 | VLOG_ERR_RL(&rl, "OVS_KEY_ATTR_VLAN 0x%04"PRIx16" is nonzero " | |
2729 | "but CFI bit is not set", ntohs(tci)); | |
2730 | return ODP_FIT_ERROR; | |
2731 | } | |
2732 | ||
2733 | /* Set vlan_tci. | |
2734 | * Remove the TPID from dl_type since it's not the real Ethertype. */ | |
2735 | flow->vlan_tci = tci; | |
2736 | flow->dl_type = htons(0); | |
2737 | ||
2738 | /* Now parse the encapsulated attributes. */ | |
2739 | if (!parse_flow_nlattrs(nl_attr_get(encap), nl_attr_get_size(encap), | |
2740 | attrs, &present_attrs, &out_of_range_attr)) { | |
2741 | return ODP_FIT_ERROR; | |
2742 | } | |
2743 | expected_attrs = 0; | |
2744 | ||
2745 | if (!parse_ethertype(attrs, present_attrs, &expected_attrs, flow)) { | |
2746 | return ODP_FIT_ERROR; | |
2747 | } | |
b02475c5 SH |
2748 | encap_fitness = parse_l2_5_onward(attrs, present_attrs, out_of_range_attr, |
2749 | expected_attrs, flow, key, key_len); | |
b0f7b9b5 BP |
2750 | |
2751 | /* The overall fitness is the worse of the outer and inner attributes. */ | |
2752 | return MAX(fitness, encap_fitness); | |
2753 | } | |
2754 | ||
2755 | /* Converts the 'key_len' bytes of OVS_KEY_ATTR_* attributes in 'key' to a flow | |
2756 | * structure in 'flow'. Returns an ODP_FIT_* value that indicates how well | |
2757 | * 'key' fits our expectations for what a flow key should contain. | |
2758 | * | |
ddbfda84 JP |
2759 | * The 'in_port' will be the datapath's understanding of the port. The |
2760 | * caller will need to translate with odp_port_to_ofp_port() if the | |
2761 | * OpenFlow port is needed. | |
2762 | * | |
b0f7b9b5 BP |
2763 | * This function doesn't take the packet itself as an argument because none of |
2764 | * the currently understood OVS_KEY_ATTR_* attributes require it. Currently, | |
2765 | * it is always possible to infer which additional attribute(s) should appear | |
2766 | * by looking at the attributes for lower-level protocols, e.g. if the network | |
2767 | * protocol in OVS_KEY_ATTR_IPV4 or OVS_KEY_ATTR_IPV6 is IPPROTO_TCP then we | |
2768 | * know that a OVS_KEY_ATTR_TCP attribute must appear and that otherwise it | |
2769 | * must be absent. */ | |
2770 | enum odp_key_fitness | |
2771 | odp_flow_key_to_flow(const struct nlattr *key, size_t key_len, | |
2772 | struct flow *flow) | |
2773 | { | |
b0f7b9b5 BP |
2774 | const struct nlattr *attrs[OVS_KEY_ATTR_MAX + 1]; |
2775 | uint64_t expected_attrs; | |
2776 | uint64_t present_attrs; | |
2777 | int out_of_range_attr; | |
2778 | ||
2779 | memset(flow, 0, sizeof *flow); | |
2780 | ||
2781 | /* Parse attributes. */ | |
2782 | if (!parse_flow_nlattrs(key, key_len, attrs, &present_attrs, | |
2783 | &out_of_range_attr)) { | |
2784 | return ODP_FIT_ERROR; | |
2785 | } | |
2786 | expected_attrs = 0; | |
2787 | ||
2788 | /* Metadata. */ | |
2789 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_PRIORITY)) { | |
deedf7e7 | 2790 | flow->skb_priority = nl_attr_get_u32(attrs[OVS_KEY_ATTR_PRIORITY]); |
b0f7b9b5 BP |
2791 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_PRIORITY; |
2792 | } | |
2793 | ||
72e8bf28 AA |
2794 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_SKB_MARK)) { |
2795 | flow->skb_mark = nl_attr_get_u32(attrs[OVS_KEY_ATTR_SKB_MARK]); | |
2796 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_SKB_MARK; | |
2797 | } | |
2798 | ||
9b405f1a PS |
2799 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_TUNNEL)) { |
2800 | enum odp_key_fitness res; | |
05fb0928 | 2801 | |
617e10e7 | 2802 | res = odp_tun_key_from_attr(attrs[OVS_KEY_ATTR_TUNNEL], &flow->tunnel); |
9b405f1a PS |
2803 | if (res == ODP_FIT_ERROR) { |
2804 | return ODP_FIT_ERROR; | |
2805 | } else if (res == ODP_FIT_PERFECT) { | |
2806 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_TUNNEL; | |
05fb0928 JR |
2807 | } |
2808 | } | |
2809 | ||
b0f7b9b5 | 2810 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_IN_PORT)) { |
ddbfda84 | 2811 | flow->in_port = nl_attr_get_u32(attrs[OVS_KEY_ATTR_IN_PORT]); |
b0f7b9b5 BP |
2812 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_IN_PORT; |
2813 | } else { | |
ddbfda84 | 2814 | flow->in_port = OVSP_NONE; |
b0f7b9b5 BP |
2815 | } |
2816 | ||
2817 | /* Ethernet header. */ | |
2818 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ETHERNET)) { | |
2819 | const struct ovs_key_ethernet *eth_key; | |
2820 | ||
2821 | eth_key = nl_attr_get(attrs[OVS_KEY_ATTR_ETHERNET]); | |
2822 | memcpy(flow->dl_src, eth_key->eth_src, ETH_ADDR_LEN); | |
2823 | memcpy(flow->dl_dst, eth_key->eth_dst, ETH_ADDR_LEN); | |
2824 | } | |
2825 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ETHERNET; | |
2826 | ||
2827 | /* Get Ethertype or 802.1Q TPID or FLOW_DL_TYPE_NONE. */ | |
2828 | if (!parse_ethertype(attrs, present_attrs, &expected_attrs, flow)) { | |
2829 | return ODP_FIT_ERROR; | |
2830 | } | |
2831 | ||
2832 | if (flow->dl_type == htons(ETH_TYPE_VLAN)) { | |
2833 | return parse_8021q_onward(attrs, present_attrs, out_of_range_attr, | |
2834 | expected_attrs, flow, key, key_len); | |
2835 | } | |
b02475c5 SH |
2836 | return parse_l2_5_onward(attrs, present_attrs, out_of_range_attr, |
2837 | expected_attrs, flow, key, key_len); | |
14608a15 | 2838 | } |
39db78a0 | 2839 | |
6814e51f BP |
2840 | /* Returns 'fitness' as a string, for use in debug messages. */ |
2841 | const char * | |
2842 | odp_key_fitness_to_string(enum odp_key_fitness fitness) | |
2843 | { | |
2844 | switch (fitness) { | |
2845 | case ODP_FIT_PERFECT: | |
2846 | return "OK"; | |
2847 | case ODP_FIT_TOO_MUCH: | |
2848 | return "too_much"; | |
2849 | case ODP_FIT_TOO_LITTLE: | |
2850 | return "too_little"; | |
2851 | case ODP_FIT_ERROR: | |
2852 | return "error"; | |
2853 | default: | |
2854 | return "<unknown>"; | |
2855 | } | |
2856 | } | |
2857 | ||
39db78a0 | 2858 | /* Appends an OVS_ACTION_ATTR_USERSPACE action to 'odp_actions' that specifies |
e995e3df BP |
2859 | * Netlink PID 'pid'. If 'userdata' is nonnull, adds a userdata attribute |
2860 | * whose contents are the 'userdata_size' bytes at 'userdata' and returns the | |
2861 | * offset within 'odp_actions' of the start of the cookie. (If 'userdata' is | |
2862 | * null, then the return value is not meaningful.) */ | |
39db78a0 | 2863 | size_t |
e995e3df BP |
2864 | odp_put_userspace_action(uint32_t pid, |
2865 | const void *userdata, size_t userdata_size, | |
39db78a0 BP |
2866 | struct ofpbuf *odp_actions) |
2867 | { | |
e995e3df | 2868 | size_t userdata_ofs; |
39db78a0 BP |
2869 | size_t offset; |
2870 | ||
2871 | offset = nl_msg_start_nested(odp_actions, OVS_ACTION_ATTR_USERSPACE); | |
2872 | nl_msg_put_u32(odp_actions, OVS_USERSPACE_ATTR_PID, pid); | |
e995e3df BP |
2873 | if (userdata) { |
2874 | userdata_ofs = odp_actions->size + NLA_HDRLEN; | |
39db78a0 | 2875 | nl_msg_put_unspec(odp_actions, OVS_USERSPACE_ATTR_USERDATA, |
e995e3df BP |
2876 | userdata, userdata_size); |
2877 | } else { | |
2878 | userdata_ofs = 0; | |
39db78a0 BP |
2879 | } |
2880 | nl_msg_end_nested(odp_actions, offset); | |
2881 | ||
e995e3df | 2882 | return userdata_ofs; |
39db78a0 | 2883 | } |
b9ad7294 EJ |
2884 | |
2885 | void | |
2886 | odp_put_tunnel_action(const struct flow_tnl *tunnel, | |
2887 | struct ofpbuf *odp_actions) | |
2888 | { | |
2889 | size_t offset = nl_msg_start_nested(odp_actions, OVS_ACTION_ATTR_SET); | |
2890 | tun_key_to_attr(odp_actions, tunnel); | |
2891 | nl_msg_end_nested(odp_actions, offset); | |
2892 | } | |
5bbda0aa EJ |
2893 | \f |
2894 | /* The commit_odp_actions() function and its helpers. */ | |
2895 | ||
2896 | static void | |
2897 | commit_set_action(struct ofpbuf *odp_actions, enum ovs_key_attr key_type, | |
2898 | const void *key, size_t key_size) | |
2899 | { | |
2900 | size_t offset = nl_msg_start_nested(odp_actions, OVS_ACTION_ATTR_SET); | |
2901 | nl_msg_put_unspec(odp_actions, key_type, key, key_size); | |
2902 | nl_msg_end_nested(odp_actions, offset); | |
2903 | } | |
2904 | ||
09a0d2e7 AA |
2905 | void |
2906 | odp_put_skb_mark_action(const uint32_t skb_mark, | |
2907 | struct ofpbuf *odp_actions) | |
2908 | { | |
2909 | commit_set_action(odp_actions, OVS_KEY_ATTR_SKB_MARK, &skb_mark, | |
2910 | sizeof(skb_mark)); | |
2911 | } | |
2912 | ||
b9ad7294 EJ |
2913 | /* If any of the flow key data that ODP actions can modify are different in |
2914 | * 'base->tunnel' and 'flow->tunnel', appends a set_tunnel ODP action to | |
2915 | * 'odp_actions' that change the flow tunneling information in key from | |
2916 | * 'base->tunnel' into 'flow->tunnel', and then changes 'base->tunnel' in the | |
2917 | * same way. In other words, operates the same as commit_odp_actions(), but | |
2918 | * only on tunneling information. */ | |
2919 | void | |
2920 | commit_odp_tunnel_action(const struct flow *flow, struct flow *base, | |
5bbda0aa EJ |
2921 | struct ofpbuf *odp_actions) |
2922 | { | |
05fb0928 JR |
2923 | /* A valid IPV4_TUNNEL must have non-zero ip_dst. */ |
2924 | if (flow->tunnel.ip_dst) { | |
fc80de30 JR |
2925 | if (!memcmp(&base->tunnel, &flow->tunnel, sizeof base->tunnel)) { |
2926 | return; | |
2927 | } | |
2928 | memcpy(&base->tunnel, &flow->tunnel, sizeof base->tunnel); | |
b9ad7294 | 2929 | odp_put_tunnel_action(&base->tunnel, odp_actions); |
05fb0928 | 2930 | } |
5bbda0aa EJ |
2931 | } |
2932 | ||
2933 | static void | |
2934 | commit_set_ether_addr_action(const struct flow *flow, struct flow *base, | |
1dd35f8a JP |
2935 | struct ofpbuf *odp_actions, |
2936 | struct flow_wildcards *wc) | |
5bbda0aa EJ |
2937 | { |
2938 | struct ovs_key_ethernet eth_key; | |
2939 | ||
2940 | if (eth_addr_equals(base->dl_src, flow->dl_src) && | |
2941 | eth_addr_equals(base->dl_dst, flow->dl_dst)) { | |
2942 | return; | |
2943 | } | |
2944 | ||
1dd35f8a JP |
2945 | memset(&wc->masks.dl_src, 0xff, sizeof wc->masks.dl_src); |
2946 | memset(&wc->masks.dl_dst, 0xff, sizeof wc->masks.dl_dst); | |
2947 | ||
5bbda0aa EJ |
2948 | memcpy(base->dl_src, flow->dl_src, ETH_ADDR_LEN); |
2949 | memcpy(base->dl_dst, flow->dl_dst, ETH_ADDR_LEN); | |
2950 | ||
2951 | memcpy(eth_key.eth_src, base->dl_src, ETH_ADDR_LEN); | |
2952 | memcpy(eth_key.eth_dst, base->dl_dst, ETH_ADDR_LEN); | |
2953 | ||
2954 | commit_set_action(odp_actions, OVS_KEY_ATTR_ETHERNET, | |
2955 | ð_key, sizeof(eth_key)); | |
2956 | } | |
2957 | ||
2958 | static void | |
2959 | commit_vlan_action(const struct flow *flow, struct flow *base, | |
1dd35f8a | 2960 | struct ofpbuf *odp_actions, struct flow_wildcards *wc) |
5bbda0aa EJ |
2961 | { |
2962 | if (base->vlan_tci == flow->vlan_tci) { | |
2963 | return; | |
2964 | } | |
2965 | ||
1dd35f8a JP |
2966 | memset(&wc->masks.vlan_tci, 0xff, sizeof wc->masks.vlan_tci); |
2967 | ||
5bbda0aa EJ |
2968 | if (base->vlan_tci & htons(VLAN_CFI)) { |
2969 | nl_msg_put_flag(odp_actions, OVS_ACTION_ATTR_POP_VLAN); | |
2970 | } | |
2971 | ||
2972 | if (flow->vlan_tci & htons(VLAN_CFI)) { | |
2973 | struct ovs_action_push_vlan vlan; | |
2974 | ||
2975 | vlan.vlan_tpid = htons(ETH_TYPE_VLAN); | |
2976 | vlan.vlan_tci = flow->vlan_tci; | |
2977 | nl_msg_put_unspec(odp_actions, OVS_ACTION_ATTR_PUSH_VLAN, | |
2978 | &vlan, sizeof vlan); | |
2979 | } | |
2980 | base->vlan_tci = flow->vlan_tci; | |
2981 | } | |
2982 | ||
b02475c5 SH |
2983 | static void |
2984 | commit_mpls_action(const struct flow *flow, struct flow *base, | |
1dd35f8a | 2985 | struct ofpbuf *odp_actions, struct flow_wildcards *wc) |
b02475c5 SH |
2986 | { |
2987 | if (flow->mpls_lse == base->mpls_lse && | |
2988 | flow->mpls_depth == base->mpls_depth) { | |
2989 | return; | |
2990 | } | |
2991 | ||
1dd35f8a JP |
2992 | memset(&wc->masks.mpls_lse, 0xff, sizeof wc->masks.mpls_lse); |
2993 | ||
b02475c5 SH |
2994 | if (flow->mpls_depth < base->mpls_depth) { |
2995 | if (base->mpls_depth - flow->mpls_depth > 1) { | |
2996 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(10, 10); | |
2997 | VLOG_WARN_RL(&rl, "Multiple mpls_pop actions reduced to " | |
2998 | " a single mpls_pop action"); | |
2999 | } | |
3000 | ||
3001 | nl_msg_put_be16(odp_actions, OVS_ACTION_ATTR_POP_MPLS, flow->dl_type); | |
3002 | } else if (flow->mpls_depth > base->mpls_depth) { | |
3003 | struct ovs_action_push_mpls *mpls; | |
3004 | ||
3005 | if (flow->mpls_depth - base->mpls_depth > 1) { | |
3006 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(10, 10); | |
3007 | VLOG_WARN_RL(&rl, "Multiple mpls_push actions reduced to " | |
3008 | " a single mpls_push action"); | |
3009 | } | |
3010 | ||
3011 | mpls = nl_msg_put_unspec_uninit(odp_actions, OVS_ACTION_ATTR_PUSH_MPLS, | |
3012 | sizeof *mpls); | |
3013 | memset(mpls, 0, sizeof *mpls); | |
3014 | mpls->mpls_ethertype = flow->dl_type; | |
3015 | mpls->mpls_lse = flow->mpls_lse; | |
3016 | } else { | |
3017 | struct ovs_key_mpls mpls_key; | |
3018 | ||
20131cef | 3019 | mpls_key.mpls_lse = flow->mpls_lse; |
b02475c5 SH |
3020 | commit_set_action(odp_actions, OVS_KEY_ATTR_MPLS, |
3021 | &mpls_key, sizeof(mpls_key)); | |
3022 | } | |
3023 | ||
3024 | base->dl_type = flow->dl_type; | |
3025 | base->mpls_lse = flow->mpls_lse; | |
3026 | base->mpls_depth = flow->mpls_depth; | |
3027 | } | |
3028 | ||
5bbda0aa | 3029 | static void |
c4f2731d | 3030 | commit_set_ipv4_action(const struct flow *flow, struct flow *base, |
1dd35f8a | 3031 | struct ofpbuf *odp_actions, struct flow_wildcards *wc) |
5bbda0aa EJ |
3032 | { |
3033 | struct ovs_key_ipv4 ipv4_key; | |
3034 | ||
5bbda0aa EJ |
3035 | if (base->nw_src == flow->nw_src && |
3036 | base->nw_dst == flow->nw_dst && | |
3037 | base->nw_tos == flow->nw_tos && | |
3038 | base->nw_ttl == flow->nw_ttl && | |
3039 | base->nw_frag == flow->nw_frag) { | |
3040 | return; | |
3041 | } | |
3042 | ||
1dd35f8a JP |
3043 | memset(&wc->masks.nw_src, 0xff, sizeof wc->masks.nw_src); |
3044 | memset(&wc->masks.nw_dst, 0xff, sizeof wc->masks.nw_dst); | |
3045 | memset(&wc->masks.nw_tos, 0xff, sizeof wc->masks.nw_tos); | |
3046 | memset(&wc->masks.nw_ttl, 0xff, sizeof wc->masks.nw_ttl); | |
3047 | memset(&wc->masks.nw_proto, 0xff, sizeof wc->masks.nw_proto); | |
3048 | memset(&wc->masks.nw_frag, 0xff, sizeof wc->masks.nw_frag); | |
3049 | ||
5bbda0aa EJ |
3050 | ipv4_key.ipv4_src = base->nw_src = flow->nw_src; |
3051 | ipv4_key.ipv4_dst = base->nw_dst = flow->nw_dst; | |
3052 | ipv4_key.ipv4_tos = base->nw_tos = flow->nw_tos; | |
3053 | ipv4_key.ipv4_ttl = base->nw_ttl = flow->nw_ttl; | |
3054 | ipv4_key.ipv4_proto = base->nw_proto; | |
c4f2731d | 3055 | ipv4_key.ipv4_frag = ovs_to_odp_frag(base->nw_frag); |
5bbda0aa EJ |
3056 | |
3057 | commit_set_action(odp_actions, OVS_KEY_ATTR_IPV4, | |
3058 | &ipv4_key, sizeof(ipv4_key)); | |
3059 | } | |
3060 | ||
c4f2731d PS |
3061 | static void |
3062 | commit_set_ipv6_action(const struct flow *flow, struct flow *base, | |
1dd35f8a | 3063 | struct ofpbuf *odp_actions, struct flow_wildcards *wc) |
c4f2731d PS |
3064 | { |
3065 | struct ovs_key_ipv6 ipv6_key; | |
3066 | ||
3067 | if (ipv6_addr_equals(&base->ipv6_src, &flow->ipv6_src) && | |
3068 | ipv6_addr_equals(&base->ipv6_dst, &flow->ipv6_dst) && | |
3069 | base->ipv6_label == flow->ipv6_label && | |
3070 | base->nw_tos == flow->nw_tos && | |
3071 | base->nw_ttl == flow->nw_ttl && | |
3072 | base->nw_frag == flow->nw_frag) { | |
3073 | return; | |
3074 | } | |
3075 | ||
1dd35f8a JP |
3076 | memset(&wc->masks.ipv6_src, 0xff, sizeof wc->masks.ipv6_src); |
3077 | memset(&wc->masks.ipv6_dst, 0xff, sizeof wc->masks.ipv6_dst); | |
3078 | memset(&wc->masks.ipv6_label, 0xff, sizeof wc->masks.ipv6_label); | |
3079 | memset(&wc->masks.nw_tos, 0xff, sizeof wc->masks.nw_tos); | |
3080 | memset(&wc->masks.nw_ttl, 0xff, sizeof wc->masks.nw_ttl); | |
3081 | memset(&wc->masks.nw_proto, 0xff, sizeof wc->masks.nw_proto); | |
3082 | memset(&wc->masks.nw_frag, 0xff, sizeof wc->masks.nw_frag); | |
3083 | ||
c4f2731d PS |
3084 | base->ipv6_src = flow->ipv6_src; |
3085 | memcpy(&ipv6_key.ipv6_src, &base->ipv6_src, sizeof(ipv6_key.ipv6_src)); | |
3086 | base->ipv6_dst = flow->ipv6_dst; | |
3087 | memcpy(&ipv6_key.ipv6_dst, &base->ipv6_dst, sizeof(ipv6_key.ipv6_dst)); | |
3088 | ||
3089 | ipv6_key.ipv6_label = base->ipv6_label = flow->ipv6_label; | |
3090 | ipv6_key.ipv6_tclass = base->nw_tos = flow->nw_tos; | |
3091 | ipv6_key.ipv6_hlimit = base->nw_ttl = flow->nw_ttl; | |
3092 | ipv6_key.ipv6_proto = base->nw_proto; | |
3093 | ipv6_key.ipv6_frag = ovs_to_odp_frag(base->nw_frag); | |
3094 | ||
3095 | commit_set_action(odp_actions, OVS_KEY_ATTR_IPV6, | |
3096 | &ipv6_key, sizeof(ipv6_key)); | |
3097 | } | |
3098 | ||
3099 | static void | |
3100 | commit_set_nw_action(const struct flow *flow, struct flow *base, | |
1dd35f8a | 3101 | struct ofpbuf *odp_actions, struct flow_wildcards *wc) |
c4f2731d PS |
3102 | { |
3103 | /* Check if flow really have an IP header. */ | |
3104 | if (!flow->nw_proto) { | |
3105 | return; | |
3106 | } | |
3107 | ||
1b035ef2 | 3108 | if (base->dl_type == htons(ETH_TYPE_IP)) { |
1dd35f8a | 3109 | commit_set_ipv4_action(flow, base, odp_actions, wc); |
1b035ef2 | 3110 | } else if (base->dl_type == htons(ETH_TYPE_IPV6)) { |
1dd35f8a | 3111 | commit_set_ipv6_action(flow, base, odp_actions, wc); |
c4f2731d PS |
3112 | } |
3113 | } | |
3114 | ||
5bbda0aa EJ |
3115 | static void |
3116 | commit_set_port_action(const struct flow *flow, struct flow *base, | |
1dd35f8a | 3117 | struct ofpbuf *odp_actions, struct flow_wildcards *wc) |
5bbda0aa | 3118 | { |
1b035ef2 | 3119 | if (!is_ip_any(base) || (!base->tp_src && !base->tp_dst)) { |
5bbda0aa EJ |
3120 | return; |
3121 | } | |
3122 | ||
3123 | if (base->tp_src == flow->tp_src && | |
3124 | base->tp_dst == flow->tp_dst) { | |
3125 | return; | |
3126 | } | |
3127 | ||
1dd35f8a JP |
3128 | memset(&wc->masks.tp_src, 0xff, sizeof wc->masks.tp_src); |
3129 | memset(&wc->masks.tp_dst, 0xff, sizeof wc->masks.tp_dst); | |
3130 | ||
5bbda0aa EJ |
3131 | if (flow->nw_proto == IPPROTO_TCP) { |
3132 | struct ovs_key_tcp port_key; | |
3133 | ||
3134 | port_key.tcp_src = base->tp_src = flow->tp_src; | |
3135 | port_key.tcp_dst = base->tp_dst = flow->tp_dst; | |
3136 | ||
3137 | commit_set_action(odp_actions, OVS_KEY_ATTR_TCP, | |
3138 | &port_key, sizeof(port_key)); | |
3139 | ||
3140 | } else if (flow->nw_proto == IPPROTO_UDP) { | |
3141 | struct ovs_key_udp port_key; | |
3142 | ||
3143 | port_key.udp_src = base->tp_src = flow->tp_src; | |
3144 | port_key.udp_dst = base->tp_dst = flow->tp_dst; | |
3145 | ||
3146 | commit_set_action(odp_actions, OVS_KEY_ATTR_UDP, | |
3147 | &port_key, sizeof(port_key)); | |
3148 | } | |
3149 | } | |
3150 | ||
3151 | static void | |
3152 | commit_set_priority_action(const struct flow *flow, struct flow *base, | |
1dd35f8a JP |
3153 | struct ofpbuf *odp_actions, |
3154 | struct flow_wildcards *wc) | |
5bbda0aa | 3155 | { |
deedf7e7 | 3156 | if (base->skb_priority == flow->skb_priority) { |
5bbda0aa EJ |
3157 | return; |
3158 | } | |
1dd35f8a JP |
3159 | |
3160 | memset(&wc->masks.skb_priority, 0xff, sizeof wc->masks.skb_priority); | |
deedf7e7 | 3161 | base->skb_priority = flow->skb_priority; |
5bbda0aa EJ |
3162 | |
3163 | commit_set_action(odp_actions, OVS_KEY_ATTR_PRIORITY, | |
deedf7e7 | 3164 | &base->skb_priority, sizeof(base->skb_priority)); |
5bbda0aa EJ |
3165 | } |
3166 | ||
72e8bf28 AA |
3167 | static void |
3168 | commit_set_skb_mark_action(const struct flow *flow, struct flow *base, | |
1dd35f8a JP |
3169 | struct ofpbuf *odp_actions, |
3170 | struct flow_wildcards *wc) | |
72e8bf28 AA |
3171 | { |
3172 | if (base->skb_mark == flow->skb_mark) { | |
3173 | return; | |
3174 | } | |
1dd35f8a JP |
3175 | |
3176 | memset(&wc->masks.skb_mark, 0xff, sizeof wc->masks.skb_mark); | |
72e8bf28 AA |
3177 | base->skb_mark = flow->skb_mark; |
3178 | ||
09a0d2e7 | 3179 | odp_put_skb_mark_action(base->skb_mark, odp_actions); |
72e8bf28 | 3180 | } |
5bbda0aa EJ |
3181 | /* If any of the flow key data that ODP actions can modify are different in |
3182 | * 'base' and 'flow', appends ODP actions to 'odp_actions' that change the flow | |
b9ad7294 EJ |
3183 | * key from 'base' into 'flow', and then changes 'base' the same way. Does not |
3184 | * commit set_tunnel actions. Users should call commit_odp_tunnel_action() | |
1dd35f8a JP |
3185 | * in addition to this function if needed. Sets fields in 'wc' that are |
3186 | * used as part of the action. */ | |
5bbda0aa EJ |
3187 | void |
3188 | commit_odp_actions(const struct flow *flow, struct flow *base, | |
1dd35f8a | 3189 | struct ofpbuf *odp_actions, struct flow_wildcards *wc) |
5bbda0aa | 3190 | { |
1dd35f8a JP |
3191 | commit_set_ether_addr_action(flow, base, odp_actions, wc); |
3192 | commit_vlan_action(flow, base, odp_actions, wc); | |
3193 | commit_set_nw_action(flow, base, odp_actions, wc); | |
3194 | commit_set_port_action(flow, base, odp_actions, wc); | |
ec9f40dc | 3195 | /* Committing MPLS actions should occur after committing nw and port |
1b035ef2 SH |
3196 | * actions. This is because committing MPLS actions may alter a packet so |
3197 | * that it is no longer IP and thus nw and port actions are no longer valid. | |
3198 | */ | |
1dd35f8a JP |
3199 | commit_mpls_action(flow, base, odp_actions, wc); |
3200 | commit_set_priority_action(flow, base, odp_actions, wc); | |
3201 | commit_set_skb_mark_action(flow, base, odp_actions, wc); | |
5bbda0aa | 3202 | } |