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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, | |
041e7168 AZ |
54 | const struct nlattr *ma, struct ds *ds, |
55 | bool verbose); | |
a052b51b | 56 | |
98403001 BP |
57 | /* Returns one the following for the action with the given OVS_ACTION_ATTR_* |
58 | * 'type': | |
59 | * | |
60 | * - For an action whose argument has a fixed length, returned that | |
61 | * nonnegative length in bytes. | |
62 | * | |
63 | * - For an action with a variable-length argument, returns -2. | |
64 | * | |
65 | * - For an invalid 'type', returns -1. */ | |
4edb9ae9 | 66 | static int |
cdee00fd BP |
67 | odp_action_len(uint16_t type) |
68 | { | |
df2c07f4 | 69 | if (type > OVS_ACTION_ATTR_MAX) { |
cdee00fd BP |
70 | return -1; |
71 | } | |
72 | ||
09ded0ad | 73 | switch ((enum ovs_action_attr) type) { |
fea393b1 | 74 | case OVS_ACTION_ATTR_OUTPUT: return sizeof(uint32_t); |
98403001 | 75 | case OVS_ACTION_ATTR_USERSPACE: return -2; |
fea393b1 BP |
76 | case OVS_ACTION_ATTR_PUSH_VLAN: return sizeof(struct ovs_action_push_vlan); |
77 | case OVS_ACTION_ATTR_POP_VLAN: return 0; | |
b02475c5 SH |
78 | case OVS_ACTION_ATTR_PUSH_MPLS: return sizeof(struct ovs_action_push_mpls); |
79 | case OVS_ACTION_ATTR_POP_MPLS: return sizeof(ovs_be16); | |
4edb9ae9 | 80 | case OVS_ACTION_ATTR_SET: return -2; |
98403001 | 81 | case OVS_ACTION_ATTR_SAMPLE: return -2; |
df2c07f4 JP |
82 | |
83 | case OVS_ACTION_ATTR_UNSPEC: | |
84 | case __OVS_ACTION_ATTR_MAX: | |
cdee00fd BP |
85 | return -1; |
86 | } | |
87 | ||
88 | return -1; | |
89 | } | |
90 | ||
e6603631 BP |
91 | /* Returns a string form of 'attr'. The return value is either a statically |
92 | * allocated constant string or the 'bufsize'-byte buffer 'namebuf'. 'bufsize' | |
93 | * should be at least OVS_KEY_ATTR_BUFSIZE. */ | |
94 | enum { OVS_KEY_ATTR_BUFSIZE = 3 + INT_STRLEN(unsigned int) + 1 }; | |
744791b5 | 95 | static const char * |
e6603631 | 96 | ovs_key_attr_to_string(enum ovs_key_attr attr, char *namebuf, size_t bufsize) |
744791b5 | 97 | { |
744791b5 BP |
98 | switch (attr) { |
99 | case OVS_KEY_ATTR_UNSPEC: return "unspec"; | |
fea393b1 | 100 | case OVS_KEY_ATTR_ENCAP: return "encap"; |
1b567fb9 | 101 | case OVS_KEY_ATTR_PRIORITY: return "skb_priority"; |
72e8bf28 | 102 | case OVS_KEY_ATTR_SKB_MARK: return "skb_mark"; |
9b405f1a | 103 | case OVS_KEY_ATTR_TUNNEL: return "tunnel"; |
744791b5 BP |
104 | case OVS_KEY_ATTR_IN_PORT: return "in_port"; |
105 | case OVS_KEY_ATTR_ETHERNET: return "eth"; | |
fea393b1 | 106 | case OVS_KEY_ATTR_VLAN: return "vlan"; |
744791b5 BP |
107 | case OVS_KEY_ATTR_ETHERTYPE: return "eth_type"; |
108 | case OVS_KEY_ATTR_IPV4: return "ipv4"; | |
109 | case OVS_KEY_ATTR_IPV6: return "ipv6"; | |
110 | case OVS_KEY_ATTR_TCP: return "tcp"; | |
111 | case OVS_KEY_ATTR_UDP: return "udp"; | |
c6bcb685 | 112 | case OVS_KEY_ATTR_SCTP: return "sctp"; |
744791b5 BP |
113 | case OVS_KEY_ATTR_ICMP: return "icmp"; |
114 | case OVS_KEY_ATTR_ICMPV6: return "icmpv6"; | |
115 | case OVS_KEY_ATTR_ARP: return "arp"; | |
116 | case OVS_KEY_ATTR_ND: return "nd"; | |
b02475c5 | 117 | case OVS_KEY_ATTR_MPLS: return "mpls"; |
744791b5 BP |
118 | |
119 | case __OVS_KEY_ATTR_MAX: | |
120 | default: | |
e6603631 BP |
121 | snprintf(namebuf, bufsize, "key%u", (unsigned int) attr); |
122 | return namebuf; | |
744791b5 BP |
123 | } |
124 | } | |
125 | ||
cdee00fd BP |
126 | static void |
127 | format_generic_odp_action(struct ds *ds, const struct nlattr *a) | |
128 | { | |
8ba43fbd BP |
129 | size_t len = nl_attr_get_size(a); |
130 | ||
cdee00fd | 131 | ds_put_format(ds, "action%"PRId16, nl_attr_type(a)); |
8ba43fbd | 132 | if (len) { |
cdee00fd BP |
133 | const uint8_t *unspec; |
134 | unsigned int i; | |
135 | ||
136 | unspec = nl_attr_get(a); | |
8ba43fbd | 137 | for (i = 0; i < len; i++) { |
cdee00fd BP |
138 | ds_put_char(ds, i ? ' ': '('); |
139 | ds_put_format(ds, "%02x", unspec[i]); | |
140 | } | |
141 | ds_put_char(ds, ')'); | |
142 | } | |
143 | } | |
144 | ||
6ff686f2 PS |
145 | static void |
146 | format_odp_sample_action(struct ds *ds, const struct nlattr *attr) | |
147 | { | |
148 | static const struct nl_policy ovs_sample_policy[] = { | |
3815d6c2 LS |
149 | { NL_A_NO_ATTR, 0, 0, false }, /* OVS_SAMPLE_ATTR_UNSPEC */ |
150 | { NL_A_U32, 0, 0, false }, /* OVS_SAMPLE_ATTR_PROBABILITY */ | |
151 | { NL_A_NESTED, 0, 0, false }, /* OVS_SAMPLE_ATTR_ACTIONS */ | |
6ff686f2 PS |
152 | }; |
153 | struct nlattr *a[ARRAY_SIZE(ovs_sample_policy)]; | |
6ff686f2 PS |
154 | double percentage; |
155 | const struct nlattr *nla_acts; | |
156 | int len; | |
157 | ||
158 | ds_put_cstr(ds, "sample"); | |
159 | ||
5621afff | 160 | if (!nl_parse_nested(attr, ovs_sample_policy, a, ARRAY_SIZE(a))) { |
6ff686f2 PS |
161 | ds_put_cstr(ds, "(error)"); |
162 | return; | |
163 | } | |
164 | ||
165 | percentage = (100.0 * nl_attr_get_u32(a[OVS_SAMPLE_ATTR_PROBABILITY])) / | |
166 | UINT32_MAX; | |
167 | ||
168 | ds_put_format(ds, "(sample=%.1f%%,", percentage); | |
169 | ||
170 | ds_put_cstr(ds, "actions("); | |
171 | nla_acts = nl_attr_get(a[OVS_SAMPLE_ATTR_ACTIONS]); | |
172 | len = nl_attr_get_size(a[OVS_SAMPLE_ATTR_ACTIONS]); | |
173 | format_odp_actions(ds, nla_acts, len); | |
174 | ds_put_format(ds, "))"); | |
175 | } | |
176 | ||
6a7e895f | 177 | static const char * |
98f0520f | 178 | slow_path_reason_to_string(enum slow_path_reason reason) |
6a7e895f | 179 | { |
98f0520f | 180 | switch (reason) { |
6a7e895f BP |
181 | case SLOW_CFM: |
182 | return "cfm"; | |
183 | case SLOW_LACP: | |
184 | return "lacp"; | |
185 | case SLOW_STP: | |
186 | return "stp"; | |
ccc09689 EJ |
187 | case SLOW_BFD: |
188 | return "bfd"; | |
6a7e895f BP |
189 | case SLOW_CONTROLLER: |
190 | return "controller"; | |
98f0520f | 191 | case __SLOW_MAX: |
6a7e895f BP |
192 | default: |
193 | return NULL; | |
194 | } | |
195 | } | |
196 | ||
98f0520f EJ |
197 | static enum slow_path_reason |
198 | string_to_slow_path_reason(const char *string) | |
199 | { | |
200 | enum slow_path_reason i; | |
201 | ||
202 | for (i = 1; i < __SLOW_MAX; i++) { | |
203 | if (!strcmp(string, slow_path_reason_to_string(i))) { | |
204 | return i; | |
205 | } | |
206 | } | |
207 | ||
208 | return 0; | |
209 | } | |
210 | ||
ec956fc7 PS |
211 | static int |
212 | parse_flags(const char *s, const char *(*bit_to_string)(uint32_t), | |
213 | uint32_t *res) | |
214 | { | |
215 | uint32_t result = 0; | |
216 | int n = 0; | |
217 | ||
218 | if (s[n] != '(') { | |
219 | return -EINVAL; | |
220 | } | |
221 | n++; | |
222 | ||
223 | while (s[n] != ')') { | |
224 | unsigned long long int flags; | |
225 | uint32_t bit; | |
226 | int n0; | |
227 | ||
228 | if (sscanf(&s[n], "%lli%n", &flags, &n0) > 0 && n0 > 0) { | |
229 | n += n0 + (s[n + n0] == ','); | |
230 | result |= flags; | |
231 | continue; | |
232 | } | |
233 | ||
234 | for (bit = 1; bit; bit <<= 1) { | |
235 | const char *name = bit_to_string(bit); | |
236 | size_t len; | |
237 | ||
238 | if (!name) { | |
239 | continue; | |
240 | } | |
241 | ||
242 | len = strlen(name); | |
243 | if (!strncmp(s + n, name, len) && | |
244 | (s[n + len] == ',' || s[n + len] == ')')) { | |
245 | result |= bit; | |
246 | n += len + (s[n + len] == ','); | |
247 | break; | |
248 | } | |
249 | } | |
250 | ||
251 | if (!bit) { | |
252 | return -EINVAL; | |
253 | } | |
254 | } | |
255 | n++; | |
256 | ||
257 | *res = result; | |
258 | return n; | |
6a7e895f BP |
259 | } |
260 | ||
98403001 BP |
261 | static void |
262 | format_odp_userspace_action(struct ds *ds, const struct nlattr *attr) | |
263 | { | |
264 | static const struct nl_policy ovs_userspace_policy[] = { | |
3815d6c2 LS |
265 | { NL_A_NO_ATTR, 0, 0, false }, /* OVS_USERSPACE_ATTR_UNSPEC */ |
266 | { NL_A_U32, 0, 0, false }, /* OVS_USERSPACE_ATTR_PID */ | |
267 | { NL_A_UNSPEC, 0, 0, true }, /* OVS_USERSPACE_ATTR_USERDATA */ | |
98403001 BP |
268 | }; |
269 | struct nlattr *a[ARRAY_SIZE(ovs_userspace_policy)]; | |
e995e3df | 270 | const struct nlattr *userdata_attr; |
98403001 BP |
271 | |
272 | if (!nl_parse_nested(attr, ovs_userspace_policy, a, ARRAY_SIZE(a))) { | |
273 | ds_put_cstr(ds, "userspace(error)"); | |
274 | return; | |
275 | } | |
276 | ||
277 | ds_put_format(ds, "userspace(pid=%"PRIu32, | |
278 | nl_attr_get_u32(a[OVS_USERSPACE_ATTR_PID])); | |
279 | ||
e995e3df | 280 | userdata_attr = a[OVS_USERSPACE_ATTR_USERDATA]; |
29089a54 RL |
281 | |
282 | if (userdata_attr) { | |
283 | const uint8_t *userdata = nl_attr_get(userdata_attr); | |
284 | size_t userdata_len = nl_attr_get_size(userdata_attr); | |
285 | bool userdata_unspec = true; | |
1673e0e4 | 286 | union user_action_cookie cookie; |
98403001 | 287 | |
29089a54 RL |
288 | if (userdata_len >= sizeof cookie.type |
289 | && userdata_len <= sizeof cookie) { | |
290 | ||
291 | memset(&cookie, 0, sizeof cookie); | |
292 | memcpy(&cookie, userdata, userdata_len); | |
293 | ||
294 | userdata_unspec = false; | |
295 | ||
296 | if (userdata_len == sizeof cookie.sflow | |
297 | && cookie.type == USER_ACTION_COOKIE_SFLOW) { | |
298 | ds_put_format(ds, ",sFlow(" | |
299 | "vid=%"PRIu16",pcp=%"PRIu8",output=%"PRIu32")", | |
300 | vlan_tci_to_vid(cookie.sflow.vlan_tci), | |
301 | vlan_tci_to_pcp(cookie.sflow.vlan_tci), | |
302 | cookie.sflow.output); | |
303 | } else if (userdata_len == sizeof cookie.slow_path | |
304 | && cookie.type == USER_ACTION_COOKIE_SLOW_PATH) { | |
98f0520f EJ |
305 | const char *reason; |
306 | reason = slow_path_reason_to_string(cookie.slow_path.reason); | |
307 | reason = reason ? reason : ""; | |
308 | ds_put_format(ds, ",slow_path(%s)", reason); | |
29089a54 RL |
309 | } else if (userdata_len == sizeof cookie.flow_sample |
310 | && cookie.type == USER_ACTION_COOKIE_FLOW_SAMPLE) { | |
311 | ds_put_format(ds, ",flow_sample(probability=%"PRIu16 | |
312 | ",collector_set_id=%"PRIu32 | |
313 | ",obs_domain_id=%"PRIu32 | |
314 | ",obs_point_id=%"PRIu32")", | |
315 | cookie.flow_sample.probability, | |
316 | cookie.flow_sample.collector_set_id, | |
317 | cookie.flow_sample.obs_domain_id, | |
318 | cookie.flow_sample.obs_point_id); | |
319 | } else if (userdata_len == sizeof cookie.ipfix | |
320 | && cookie.type == USER_ACTION_COOKIE_IPFIX) { | |
321 | ds_put_format(ds, ",ipfix"); | |
322 | } else { | |
323 | userdata_unspec = true; | |
324 | } | |
98403001 | 325 | } |
e995e3df | 326 | |
29089a54 RL |
327 | if (userdata_unspec) { |
328 | size_t i; | |
329 | ds_put_format(ds, ",userdata("); | |
330 | for (i = 0; i < userdata_len; i++) { | |
331 | ds_put_format(ds, "%02x", userdata[i]); | |
332 | } | |
333 | ds_put_char(ds, ')'); | |
e995e3df | 334 | } |
98403001 BP |
335 | } |
336 | ||
337 | ds_put_char(ds, ')'); | |
338 | } | |
339 | ||
8ddc056d BP |
340 | static void |
341 | format_vlan_tci(struct ds *ds, ovs_be16 vlan_tci) | |
342 | { | |
343 | ds_put_format(ds, "vid=%"PRIu16",pcp=%d", | |
344 | vlan_tci_to_vid(vlan_tci), | |
345 | vlan_tci_to_pcp(vlan_tci)); | |
346 | if (!(vlan_tci & htons(VLAN_CFI))) { | |
347 | ds_put_cstr(ds, ",cfi=0"); | |
348 | } | |
349 | } | |
350 | ||
b02475c5 SH |
351 | static void |
352 | format_mpls_lse(struct ds *ds, ovs_be32 mpls_lse) | |
353 | { | |
354 | ds_put_format(ds, "label=%"PRIu32",tc=%d,ttl=%d,bos=%d", | |
355 | mpls_lse_to_label(mpls_lse), | |
356 | mpls_lse_to_tc(mpls_lse), | |
357 | mpls_lse_to_ttl(mpls_lse), | |
358 | mpls_lse_to_bos(mpls_lse)); | |
359 | } | |
360 | ||
e6cc0bab AZ |
361 | static void |
362 | format_mpls(struct ds *ds, const struct ovs_key_mpls *mpls_key, | |
363 | const struct ovs_key_mpls *mpls_mask) | |
364 | { | |
365 | ovs_be32 key = mpls_key->mpls_lse; | |
366 | ||
367 | if (mpls_mask == NULL) { | |
368 | format_mpls_lse(ds, key); | |
369 | } else { | |
370 | ovs_be32 mask = mpls_mask->mpls_lse; | |
371 | ||
372 | ds_put_format(ds, "label=%"PRIu32"/0x%x,tc=%d/%x,ttl=%d/0x%x,bos=%d/%x", | |
373 | mpls_lse_to_label(key), mpls_lse_to_label(mask), | |
374 | mpls_lse_to_tc(key), mpls_lse_to_tc(mask), | |
375 | mpls_lse_to_ttl(key), mpls_lse_to_ttl(mask), | |
376 | mpls_lse_to_bos(key), mpls_lse_to_bos(mask)); | |
377 | } | |
378 | } | |
379 | ||
4edb9ae9 | 380 | static void |
cdee00fd | 381 | format_odp_action(struct ds *ds, const struct nlattr *a) |
064af421 | 382 | { |
98403001 | 383 | int expected_len; |
4edb9ae9 | 384 | enum ovs_action_attr type = nl_attr_type(a); |
fea393b1 | 385 | const struct ovs_action_push_vlan *vlan; |
cdee00fd | 386 | |
98403001 BP |
387 | expected_len = odp_action_len(nl_attr_type(a)); |
388 | if (expected_len != -2 && nl_attr_get_size(a) != expected_len) { | |
8ba43fbd | 389 | ds_put_format(ds, "bad length %zu, expected %d for: ", |
98403001 | 390 | nl_attr_get_size(a), expected_len); |
cdee00fd BP |
391 | format_generic_odp_action(ds, a); |
392 | return; | |
393 | } | |
394 | ||
4edb9ae9 | 395 | switch (type) { |
df2c07f4 | 396 | case OVS_ACTION_ATTR_OUTPUT: |
26ce7705 | 397 | ds_put_format(ds, "%"PRIu32, nl_attr_get_u32(a)); |
064af421 | 398 | break; |
df2c07f4 | 399 | case OVS_ACTION_ATTR_USERSPACE: |
98403001 | 400 | format_odp_userspace_action(ds, a); |
064af421 | 401 | break; |
4edb9ae9 PS |
402 | case OVS_ACTION_ATTR_SET: |
403 | ds_put_cstr(ds, "set("); | |
041e7168 | 404 | format_odp_key_attr(nl_attr_get(a), NULL, ds, true); |
4edb9ae9 | 405 | ds_put_cstr(ds, ")"); |
064af421 | 406 | break; |
fea393b1 BP |
407 | case OVS_ACTION_ATTR_PUSH_VLAN: |
408 | vlan = nl_attr_get(a); | |
409 | ds_put_cstr(ds, "push_vlan("); | |
410 | if (vlan->vlan_tpid != htons(ETH_TYPE_VLAN)) { | |
411 | ds_put_format(ds, "tpid=0x%04"PRIx16",", ntohs(vlan->vlan_tpid)); | |
412 | } | |
8ddc056d BP |
413 | format_vlan_tci(ds, vlan->vlan_tci); |
414 | ds_put_char(ds, ')'); | |
064af421 | 415 | break; |
fea393b1 BP |
416 | case OVS_ACTION_ATTR_POP_VLAN: |
417 | ds_put_cstr(ds, "pop_vlan"); | |
064af421 | 418 | break; |
b02475c5 SH |
419 | case OVS_ACTION_ATTR_PUSH_MPLS: { |
420 | const struct ovs_action_push_mpls *mpls = nl_attr_get(a); | |
421 | ds_put_cstr(ds, "push_mpls("); | |
422 | format_mpls_lse(ds, mpls->mpls_lse); | |
423 | ds_put_format(ds, ",eth_type=0x%"PRIx16")", ntohs(mpls->mpls_ethertype)); | |
424 | break; | |
425 | } | |
426 | case OVS_ACTION_ATTR_POP_MPLS: { | |
427 | ovs_be16 ethertype = nl_attr_get_be16(a); | |
428 | ds_put_format(ds, "pop_mpls(eth_type=0x%"PRIx16")", ntohs(ethertype)); | |
429 | break; | |
430 | } | |
6ff686f2 PS |
431 | case OVS_ACTION_ATTR_SAMPLE: |
432 | format_odp_sample_action(ds, a); | |
433 | break; | |
4edb9ae9 PS |
434 | case OVS_ACTION_ATTR_UNSPEC: |
435 | case __OVS_ACTION_ATTR_MAX: | |
064af421 | 436 | default: |
cdee00fd | 437 | format_generic_odp_action(ds, a); |
064af421 BP |
438 | break; |
439 | } | |
440 | } | |
441 | ||
442 | void | |
cdee00fd | 443 | format_odp_actions(struct ds *ds, const struct nlattr *actions, |
cf22f8cb | 444 | size_t actions_len) |
064af421 | 445 | { |
cdee00fd BP |
446 | if (actions_len) { |
447 | const struct nlattr *a; | |
448 | unsigned int left; | |
449 | ||
450 | NL_ATTR_FOR_EACH (a, left, actions, actions_len) { | |
451 | if (a != actions) { | |
452 | ds_put_char(ds, ','); | |
453 | } | |
454 | format_odp_action(ds, a); | |
064af421 | 455 | } |
cdee00fd | 456 | if (left) { |
3a8cfc50 BP |
457 | int i; |
458 | ||
3476fce3 BP |
459 | if (left == actions_len) { |
460 | ds_put_cstr(ds, "<empty>"); | |
461 | } | |
3a8cfc50 BP |
462 | ds_put_format(ds, ",***%u leftover bytes*** (", left); |
463 | for (i = 0; i < left; i++) { | |
464 | ds_put_format(ds, "%02x", ((const uint8_t *) a)[i]); | |
465 | } | |
466 | ds_put_char(ds, ')'); | |
cdee00fd BP |
467 | } |
468 | } else { | |
064af421 BP |
469 | ds_put_cstr(ds, "drop"); |
470 | } | |
471 | } | |
7202cbe5 BP |
472 | |
473 | static int | |
44bac24b | 474 | parse_odp_action(const char *s, const struct simap *port_names, |
7202cbe5 BP |
475 | struct ofpbuf *actions) |
476 | { | |
477 | /* Many of the sscanf calls in this function use oversized destination | |
478 | * fields because some sscanf() implementations truncate the range of %i | |
479 | * directives, so that e.g. "%"SCNi16 interprets input of "0xfedc" as a | |
480 | * value of 0x7fff. The other alternatives are to allow only a single | |
481 | * radix (e.g. decimal or hexadecimal) or to write more sophisticated | |
482 | * parsers. | |
483 | * | |
484 | * The tun_id parser has to use an alternative approach because there is no | |
485 | * type larger than 64 bits. */ | |
486 | ||
487 | { | |
488 | unsigned long long int port; | |
489 | int n = -1; | |
490 | ||
491 | if (sscanf(s, "%lli%n", &port, &n) > 0 && n > 0) { | |
492 | nl_msg_put_u32(actions, OVS_ACTION_ATTR_OUTPUT, port); | |
493 | return n; | |
494 | } | |
495 | } | |
496 | ||
497 | if (port_names) { | |
498 | int len = strcspn(s, delimiters); | |
44bac24b | 499 | struct simap_node *node; |
7202cbe5 | 500 | |
44bac24b | 501 | node = simap_find_len(port_names, s, len); |
7202cbe5 | 502 | if (node) { |
44bac24b | 503 | nl_msg_put_u32(actions, OVS_ACTION_ATTR_OUTPUT, node->data); |
7202cbe5 BP |
504 | return len; |
505 | } | |
506 | } | |
507 | ||
508 | { | |
509 | unsigned long long int pid; | |
36fc5f18 | 510 | unsigned long long int output; |
29089a54 RL |
511 | unsigned long long int probability; |
512 | unsigned long long int collector_set_id; | |
513 | unsigned long long int obs_domain_id; | |
514 | unsigned long long int obs_point_id; | |
7202cbe5 BP |
515 | int vid, pcp; |
516 | int n = -1; | |
517 | ||
518 | if (sscanf(s, "userspace(pid=%lli)%n", &pid, &n) > 0 && n > 0) { | |
e995e3df | 519 | odp_put_userspace_action(pid, NULL, 0, actions); |
7202cbe5 | 520 | return n; |
6a7e895f BP |
521 | } else if (sscanf(s, "userspace(pid=%lli,sFlow(vid=%i," |
522 | "pcp=%i,output=%lli))%n", | |
36fc5f18 | 523 | &pid, &vid, &pcp, &output, &n) > 0 && n > 0) { |
1673e0e4 | 524 | union user_action_cookie cookie; |
7202cbe5 BP |
525 | uint16_t tci; |
526 | ||
527 | tci = vid | (pcp << VLAN_PCP_SHIFT); | |
528 | if (tci) { | |
529 | tci |= VLAN_CFI; | |
530 | } | |
531 | ||
532 | cookie.type = USER_ACTION_COOKIE_SFLOW; | |
1673e0e4 BP |
533 | cookie.sflow.vlan_tci = htons(tci); |
534 | cookie.sflow.output = output; | |
29089a54 RL |
535 | odp_put_userspace_action(pid, &cookie, sizeof cookie.sflow, |
536 | actions); | |
6a7e895f | 537 | return n; |
98f0520f | 538 | } else if (sscanf(s, "userspace(pid=%lli,slow_path(%n", &pid, &n) > 0 |
6a7e895f BP |
539 | && n > 0) { |
540 | union user_action_cookie cookie; | |
98f0520f EJ |
541 | char reason[32]; |
542 | ||
543 | if (s[n] == ')' && s[n + 1] == ')') { | |
544 | reason[0] = '\0'; | |
545 | n += 2; | |
546 | } else if (sscanf(s + n, "%31[^)]))", reason) > 0) { | |
547 | n += strlen(reason) + 2; | |
548 | } else { | |
549 | return -EINVAL; | |
550 | } | |
6a7e895f BP |
551 | |
552 | cookie.type = USER_ACTION_COOKIE_SLOW_PATH; | |
553 | cookie.slow_path.unused = 0; | |
98f0520f | 554 | cookie.slow_path.reason = string_to_slow_path_reason(reason); |
6a7e895f | 555 | |
98f0520f | 556 | if (reason[0] && !cookie.slow_path.reason) { |
6a7e895f BP |
557 | return -EINVAL; |
558 | } | |
6a7e895f | 559 | |
29089a54 RL |
560 | odp_put_userspace_action(pid, &cookie, sizeof cookie.slow_path, |
561 | actions); | |
562 | return n; | |
563 | } else if (sscanf(s, "userspace(pid=%lli,flow_sample(probability=%lli," | |
564 | "collector_set_id=%lli,obs_domain_id=%lli," | |
565 | "obs_point_id=%lli))%n", | |
566 | &pid, &probability, &collector_set_id, | |
567 | &obs_domain_id, &obs_point_id, &n) > 0 && n > 0) { | |
568 | union user_action_cookie cookie; | |
569 | ||
570 | cookie.type = USER_ACTION_COOKIE_FLOW_SAMPLE; | |
571 | cookie.flow_sample.probability = probability; | |
572 | cookie.flow_sample.collector_set_id = collector_set_id; | |
573 | cookie.flow_sample.obs_domain_id = obs_domain_id; | |
574 | cookie.flow_sample.obs_point_id = obs_point_id; | |
575 | odp_put_userspace_action(pid, &cookie, sizeof cookie.flow_sample, | |
576 | actions); | |
7202cbe5 | 577 | return n; |
29089a54 RL |
578 | } else if (sscanf(s, "userspace(pid=%lli,ipfix)%n", &pid, &n) > 0 |
579 | && n > 0) { | |
580 | union user_action_cookie cookie; | |
7202cbe5 | 581 | |
29089a54 RL |
582 | cookie.type = USER_ACTION_COOKIE_IPFIX; |
583 | odp_put_userspace_action(pid, &cookie, sizeof cookie.ipfix, | |
e995e3df | 584 | actions); |
7202cbe5 | 585 | return n; |
e995e3df BP |
586 | } else if (sscanf(s, "userspace(pid=%lli,userdata(%n", &pid, &n) > 0 |
587 | && n > 0) { | |
588 | struct ofpbuf buf; | |
589 | char *end; | |
590 | ||
591 | ofpbuf_init(&buf, 16); | |
592 | end = ofpbuf_put_hex(&buf, &s[n], NULL); | |
593 | if (end[0] == ')' && end[1] == ')') { | |
594 | odp_put_userspace_action(pid, buf.data, buf.size, actions); | |
595 | ofpbuf_uninit(&buf); | |
596 | return (end + 2) - s; | |
597 | } | |
7202cbe5 BP |
598 | } |
599 | } | |
600 | ||
601 | if (!strncmp(s, "set(", 4)) { | |
602 | size_t start_ofs; | |
603 | int retval; | |
604 | ||
605 | start_ofs = nl_msg_start_nested(actions, OVS_ACTION_ATTR_SET); | |
e6cc0bab | 606 | retval = parse_odp_key_mask_attr(s + 4, port_names, actions, NULL); |
7202cbe5 BP |
607 | if (retval < 0) { |
608 | return retval; | |
609 | } | |
610 | if (s[retval + 4] != ')') { | |
611 | return -EINVAL; | |
612 | } | |
613 | nl_msg_end_nested(actions, start_ofs); | |
614 | return retval + 5; | |
615 | } | |
616 | ||
becffb86 BP |
617 | { |
618 | struct ovs_action_push_vlan push; | |
619 | int tpid = ETH_TYPE_VLAN; | |
620 | int vid, pcp; | |
621 | int cfi = 1; | |
622 | int n = -1; | |
7202cbe5 | 623 | |
becffb86 BP |
624 | if ((sscanf(s, "push_vlan(vid=%i,pcp=%i)%n", &vid, &pcp, &n) > 0 |
625 | && n > 0) | |
626 | || (sscanf(s, "push_vlan(vid=%i,pcp=%i,cfi=%i)%n", | |
627 | &vid, &pcp, &cfi, &n) > 0 && n > 0) | |
628 | || (sscanf(s, "push_vlan(tpid=%i,vid=%i,pcp=%i)%n", | |
629 | &tpid, &vid, &pcp, &n) > 0 && n > 0) | |
630 | || (sscanf(s, "push_vlan(tpid=%i,vid=%i,pcp=%i,cfi=%i)%n", | |
631 | &tpid, &vid, &pcp, &cfi, &n) > 0 && n > 0)) { | |
632 | push.vlan_tpid = htons(tpid); | |
633 | push.vlan_tci = htons((vid << VLAN_VID_SHIFT) | |
634 | | (pcp << VLAN_PCP_SHIFT) | |
635 | | (cfi ? VLAN_CFI : 0)); | |
636 | nl_msg_put_unspec(actions, OVS_ACTION_ATTR_PUSH_VLAN, | |
637 | &push, sizeof push); | |
638 | ||
639 | return n; | |
7202cbe5 | 640 | } |
7202cbe5 BP |
641 | } |
642 | ||
becffb86 BP |
643 | if (!strncmp(s, "pop_vlan", 8)) { |
644 | nl_msg_put_flag(actions, OVS_ACTION_ATTR_POP_VLAN); | |
645 | return 8; | |
7202cbe5 BP |
646 | } |
647 | ||
648 | { | |
649 | double percentage; | |
650 | int n = -1; | |
651 | ||
652 | if (sscanf(s, "sample(sample=%lf%%,actions(%n", &percentage, &n) > 0 | |
653 | && percentage >= 0. && percentage <= 100.0 | |
654 | && n > 0) { | |
655 | size_t sample_ofs, actions_ofs; | |
656 | double probability; | |
657 | ||
658 | probability = floor(UINT32_MAX * (percentage / 100.0) + .5); | |
659 | sample_ofs = nl_msg_start_nested(actions, OVS_ACTION_ATTR_SAMPLE); | |
660 | nl_msg_put_u32(actions, OVS_SAMPLE_ATTR_PROBABILITY, | |
661 | (probability <= 0 ? 0 | |
662 | : probability >= UINT32_MAX ? UINT32_MAX | |
663 | : probability)); | |
664 | ||
665 | actions_ofs = nl_msg_start_nested(actions, | |
666 | OVS_SAMPLE_ATTR_ACTIONS); | |
667 | for (;;) { | |
668 | int retval; | |
669 | ||
79d4ffe2 | 670 | n += strspn(s + n, delimiters); |
7202cbe5 BP |
671 | if (s[n] == ')') { |
672 | break; | |
673 | } | |
674 | ||
675 | retval = parse_odp_action(s + n, port_names, actions); | |
676 | if (retval < 0) { | |
677 | return retval; | |
678 | } | |
679 | n += retval; | |
7202cbe5 BP |
680 | } |
681 | nl_msg_end_nested(actions, actions_ofs); | |
682 | nl_msg_end_nested(actions, sample_ofs); | |
683 | ||
684 | return s[n + 1] == ')' ? n + 2 : -EINVAL; | |
685 | } | |
686 | } | |
687 | ||
688 | return -EINVAL; | |
689 | } | |
690 | ||
691 | /* Parses the string representation of datapath actions, in the format output | |
692 | * by format_odp_action(). Returns 0 if successful, otherwise a positive errno | |
693 | * value. On success, the ODP actions are appended to 'actions' as a series of | |
694 | * Netlink attributes. On failure, no data is appended to 'actions'. Either | |
695 | * way, 'actions''s data might be reallocated. */ | |
696 | int | |
44bac24b | 697 | odp_actions_from_string(const char *s, const struct simap *port_names, |
7202cbe5 BP |
698 | struct ofpbuf *actions) |
699 | { | |
700 | size_t old_size; | |
701 | ||
702 | if (!strcasecmp(s, "drop")) { | |
703 | return 0; | |
704 | } | |
705 | ||
706 | old_size = actions->size; | |
707 | for (;;) { | |
708 | int retval; | |
709 | ||
710 | s += strspn(s, delimiters); | |
711 | if (!*s) { | |
712 | return 0; | |
713 | } | |
714 | ||
715 | retval = parse_odp_action(s, port_names, actions); | |
716 | if (retval < 0 || !strchr(delimiters, s[retval])) { | |
717 | actions->size = old_size; | |
718 | return -retval; | |
719 | } | |
720 | s += retval; | |
721 | } | |
722 | ||
723 | return 0; | |
724 | } | |
14608a15 | 725 | \f |
36956a7d | 726 | /* Returns the correct length of the payload for a flow key attribute of the |
fea393b1 BP |
727 | * specified 'type', -1 if 'type' is unknown, or -2 if the attribute's payload |
728 | * is variable length. */ | |
36956a7d BP |
729 | static int |
730 | odp_flow_key_attr_len(uint16_t type) | |
731 | { | |
df2c07f4 | 732 | if (type > OVS_KEY_ATTR_MAX) { |
36956a7d BP |
733 | return -1; |
734 | } | |
735 | ||
09ded0ad | 736 | switch ((enum ovs_key_attr) type) { |
fea393b1 | 737 | case OVS_KEY_ATTR_ENCAP: return -2; |
abff858b | 738 | case OVS_KEY_ATTR_PRIORITY: return 4; |
72e8bf28 | 739 | case OVS_KEY_ATTR_SKB_MARK: return 4; |
9b405f1a | 740 | case OVS_KEY_ATTR_TUNNEL: return -2; |
df2c07f4 JP |
741 | case OVS_KEY_ATTR_IN_PORT: return 4; |
742 | case OVS_KEY_ATTR_ETHERNET: return sizeof(struct ovs_key_ethernet); | |
fea393b1 | 743 | case OVS_KEY_ATTR_VLAN: return sizeof(ovs_be16); |
df2c07f4 | 744 | case OVS_KEY_ATTR_ETHERTYPE: return 2; |
b02475c5 | 745 | case OVS_KEY_ATTR_MPLS: return sizeof(struct ovs_key_mpls); |
df2c07f4 JP |
746 | case OVS_KEY_ATTR_IPV4: return sizeof(struct ovs_key_ipv4); |
747 | case OVS_KEY_ATTR_IPV6: return sizeof(struct ovs_key_ipv6); | |
748 | case OVS_KEY_ATTR_TCP: return sizeof(struct ovs_key_tcp); | |
749 | case OVS_KEY_ATTR_UDP: return sizeof(struct ovs_key_udp); | |
c6bcb685 | 750 | case OVS_KEY_ATTR_SCTP: return sizeof(struct ovs_key_sctp); |
df2c07f4 JP |
751 | case OVS_KEY_ATTR_ICMP: return sizeof(struct ovs_key_icmp); |
752 | case OVS_KEY_ATTR_ICMPV6: return sizeof(struct ovs_key_icmpv6); | |
753 | case OVS_KEY_ATTR_ARP: return sizeof(struct ovs_key_arp); | |
754 | case OVS_KEY_ATTR_ND: return sizeof(struct ovs_key_nd); | |
755 | ||
756 | case OVS_KEY_ATTR_UNSPEC: | |
757 | case __OVS_KEY_ATTR_MAX: | |
36956a7d BP |
758 | return -1; |
759 | } | |
760 | ||
761 | return -1; | |
762 | } | |
763 | ||
36956a7d BP |
764 | static void |
765 | format_generic_odp_key(const struct nlattr *a, struct ds *ds) | |
766 | { | |
767 | size_t len = nl_attr_get_size(a); | |
36956a7d BP |
768 | if (len) { |
769 | const uint8_t *unspec; | |
770 | unsigned int i; | |
771 | ||
772 | unspec = nl_attr_get(a); | |
773 | for (i = 0; i < len; i++) { | |
e6cc0bab AZ |
774 | if (i) { |
775 | ds_put_char(ds, ' '); | |
776 | } | |
36956a7d BP |
777 | ds_put_format(ds, "%02x", unspec[i]); |
778 | } | |
36956a7d BP |
779 | } |
780 | } | |
781 | ||
7257b535 BP |
782 | static const char * |
783 | ovs_frag_type_to_string(enum ovs_frag_type type) | |
784 | { | |
785 | switch (type) { | |
786 | case OVS_FRAG_TYPE_NONE: | |
787 | return "no"; | |
788 | case OVS_FRAG_TYPE_FIRST: | |
789 | return "first"; | |
790 | case OVS_FRAG_TYPE_LATER: | |
791 | return "later"; | |
792 | case __OVS_FRAG_TYPE_MAX: | |
793 | default: | |
794 | return "<error>"; | |
795 | } | |
796 | } | |
797 | ||
9b405f1a PS |
798 | static int |
799 | tunnel_key_attr_len(int type) | |
29c7a2b2 | 800 | { |
9b405f1a PS |
801 | switch (type) { |
802 | case OVS_TUNNEL_KEY_ATTR_ID: return 8; | |
803 | case OVS_TUNNEL_KEY_ATTR_IPV4_SRC: return 4; | |
804 | case OVS_TUNNEL_KEY_ATTR_IPV4_DST: return 4; | |
805 | case OVS_TUNNEL_KEY_ATTR_TOS: return 1; | |
806 | case OVS_TUNNEL_KEY_ATTR_TTL: return 1; | |
807 | case OVS_TUNNEL_KEY_ATTR_DONT_FRAGMENT: return 0; | |
808 | case OVS_TUNNEL_KEY_ATTR_CSUM: return 0; | |
809 | case __OVS_TUNNEL_KEY_ATTR_MAX: | |
810 | return -1; | |
29c7a2b2 | 811 | } |
9b405f1a PS |
812 | return -1; |
813 | } | |
814 | ||
617e10e7 SH |
815 | enum odp_key_fitness |
816 | odp_tun_key_from_attr(const struct nlattr *attr, struct flow_tnl *tun) | |
9b405f1a PS |
817 | { |
818 | unsigned int left; | |
819 | const struct nlattr *a; | |
820 | bool ttl = false; | |
821 | bool unknown = false; | |
822 | ||
823 | NL_NESTED_FOR_EACH(a, left, attr) { | |
824 | uint16_t type = nl_attr_type(a); | |
825 | size_t len = nl_attr_get_size(a); | |
826 | int expected_len = tunnel_key_attr_len(type); | |
827 | ||
828 | if (len != expected_len && expected_len >= 0) { | |
829 | return ODP_FIT_ERROR; | |
830 | } | |
831 | ||
832 | switch (type) { | |
833 | case OVS_TUNNEL_KEY_ATTR_ID: | |
834 | tun->tun_id = nl_attr_get_be64(a); | |
835 | tun->flags |= FLOW_TNL_F_KEY; | |
836 | break; | |
837 | case OVS_TUNNEL_KEY_ATTR_IPV4_SRC: | |
838 | tun->ip_src = nl_attr_get_be32(a); | |
839 | break; | |
840 | case OVS_TUNNEL_KEY_ATTR_IPV4_DST: | |
841 | tun->ip_dst = nl_attr_get_be32(a); | |
842 | break; | |
843 | case OVS_TUNNEL_KEY_ATTR_TOS: | |
844 | tun->ip_tos = nl_attr_get_u8(a); | |
845 | break; | |
846 | case OVS_TUNNEL_KEY_ATTR_TTL: | |
847 | tun->ip_ttl = nl_attr_get_u8(a); | |
848 | ttl = true; | |
849 | break; | |
850 | case OVS_TUNNEL_KEY_ATTR_DONT_FRAGMENT: | |
851 | tun->flags |= FLOW_TNL_F_DONT_FRAGMENT; | |
852 | break; | |
853 | case OVS_TUNNEL_KEY_ATTR_CSUM: | |
854 | tun->flags |= FLOW_TNL_F_CSUM; | |
855 | break; | |
856 | default: | |
857 | /* Allow this to show up as unexpected, if there are unknown | |
858 | * tunnel attribute, eventually resulting in ODP_FIT_TOO_MUCH. */ | |
859 | unknown = true; | |
860 | break; | |
861 | } | |
862 | } | |
863 | ||
864 | if (!ttl) { | |
865 | return ODP_FIT_ERROR; | |
866 | } | |
867 | if (unknown) { | |
868 | return ODP_FIT_TOO_MUCH; | |
869 | } | |
870 | return ODP_FIT_PERFECT; | |
871 | } | |
872 | ||
873 | static void | |
874 | tun_key_to_attr(struct ofpbuf *a, const struct flow_tnl *tun_key) | |
875 | { | |
876 | size_t tun_key_ofs; | |
877 | ||
878 | tun_key_ofs = nl_msg_start_nested(a, OVS_KEY_ATTR_TUNNEL); | |
879 | ||
880 | if (tun_key->flags & FLOW_TNL_F_KEY) { | |
881 | nl_msg_put_be64(a, OVS_TUNNEL_KEY_ATTR_ID, tun_key->tun_id); | |
882 | } | |
883 | if (tun_key->ip_src) { | |
884 | nl_msg_put_be32(a, OVS_TUNNEL_KEY_ATTR_IPV4_SRC, tun_key->ip_src); | |
885 | } | |
886 | if (tun_key->ip_dst) { | |
887 | nl_msg_put_be32(a, OVS_TUNNEL_KEY_ATTR_IPV4_DST, tun_key->ip_dst); | |
888 | } | |
889 | if (tun_key->ip_tos) { | |
890 | nl_msg_put_u8(a, OVS_TUNNEL_KEY_ATTR_TOS, tun_key->ip_tos); | |
891 | } | |
892 | nl_msg_put_u8(a, OVS_TUNNEL_KEY_ATTR_TTL, tun_key->ip_ttl); | |
893 | if (tun_key->flags & FLOW_TNL_F_DONT_FRAGMENT) { | |
894 | nl_msg_put_flag(a, OVS_TUNNEL_KEY_ATTR_DONT_FRAGMENT); | |
895 | } | |
896 | if (tun_key->flags & FLOW_TNL_F_CSUM) { | |
897 | nl_msg_put_flag(a, OVS_TUNNEL_KEY_ATTR_CSUM); | |
898 | } | |
899 | ||
900 | nl_msg_end_nested(a, tun_key_ofs); | |
29c7a2b2 PS |
901 | } |
902 | ||
041e7168 AZ |
903 | static bool |
904 | odp_mask_attr_is_wildcard(const struct nlattr *ma) | |
905 | { | |
906 | return is_all_zeros(nl_attr_get(ma), nl_attr_get_size(ma)); | |
907 | } | |
908 | ||
e6cc0bab AZ |
909 | static bool |
910 | odp_mask_attr_is_exact(const struct nlattr *ma) | |
911 | { | |
912 | bool is_exact = false; | |
913 | enum ovs_key_attr attr = nl_attr_type(ma); | |
914 | ||
915 | if (attr == OVS_KEY_ATTR_TUNNEL) { | |
916 | /* XXX this is a hack for now. Should change | |
917 | * the exact match dection to per field | |
918 | * instead of per attribute. | |
919 | */ | |
920 | struct flow_tnl tun_mask; | |
921 | memset(&tun_mask, 0, sizeof tun_mask); | |
922 | odp_tun_key_from_attr(ma, &tun_mask); | |
923 | if (tun_mask.flags == (FLOW_TNL_F_KEY | |
924 | | FLOW_TNL_F_DONT_FRAGMENT | |
925 | | FLOW_TNL_F_CSUM)) { | |
926 | /* The flags are exact match, check the remaining fields. */ | |
927 | tun_mask.flags = 0xffff; | |
928 | is_exact = is_all_ones((uint8_t *)&tun_mask, | |
929 | offsetof(struct flow_tnl, ip_ttl)); | |
930 | } | |
931 | } else { | |
932 | is_exact = is_all_ones(nl_attr_get(ma), nl_attr_get_size(ma)); | |
933 | } | |
934 | ||
935 | return is_exact; | |
936 | } | |
937 | ||
938 | ||
36956a7d | 939 | static void |
e6cc0bab | 940 | format_odp_key_attr(const struct nlattr *a, const struct nlattr *ma, |
041e7168 | 941 | struct ds *ds, bool verbose) |
36956a7d | 942 | { |
9b405f1a | 943 | struct flow_tnl tun_key; |
7a8e9ed2 | 944 | enum ovs_key_attr attr = nl_attr_type(a); |
e6603631 | 945 | char namebuf[OVS_KEY_ATTR_BUFSIZE]; |
fea393b1 | 946 | int expected_len; |
dc8c5408 | 947 | bool is_exact; |
36956a7d | 948 | |
dc8c5408 | 949 | is_exact = ma ? odp_mask_attr_is_exact(ma) : true; |
e6cc0bab | 950 | |
e6603631 | 951 | ds_put_cstr(ds, ovs_key_attr_to_string(attr, namebuf, sizeof namebuf)); |
e6cc0bab AZ |
952 | |
953 | { | |
954 | expected_len = odp_flow_key_attr_len(nl_attr_type(a)); | |
955 | if (expected_len != -2) { | |
956 | bool bad_key_len = nl_attr_get_size(a) != expected_len; | |
957 | bool bad_mask_len = ma && nl_attr_get_size(a) != expected_len; | |
958 | ||
959 | if (bad_key_len || bad_mask_len) { | |
960 | if (bad_key_len) { | |
961 | ds_put_format(ds, "(bad key length %zu, expected %d)(", | |
962 | nl_attr_get_size(a), | |
963 | odp_flow_key_attr_len(nl_attr_type(a))); | |
964 | } | |
965 | format_generic_odp_key(a, ds); | |
966 | if (bad_mask_len) { | |
967 | ds_put_char(ds, '/'); | |
968 | ds_put_format(ds, "(bad mask length %zu, expected %d)(", | |
969 | nl_attr_get_size(ma), | |
970 | odp_flow_key_attr_len(nl_attr_type(ma))); | |
971 | } | |
972 | format_generic_odp_key(ma, ds); | |
973 | ds_put_char(ds, ')'); | |
974 | return; | |
975 | } | |
976 | } | |
36956a7d BP |
977 | } |
978 | ||
e6cc0bab | 979 | ds_put_char(ds, '('); |
7a8e9ed2 | 980 | switch (attr) { |
fea393b1 | 981 | case OVS_KEY_ATTR_ENCAP: |
e6cc0bab AZ |
982 | if (ma && nl_attr_get_size(ma) && nl_attr_get_size(a)) { |
983 | odp_flow_format(nl_attr_get(a), nl_attr_get_size(a), | |
041e7168 | 984 | nl_attr_get(ma), nl_attr_get_size(ma), ds, verbose); |
e6cc0bab | 985 | } else if (nl_attr_get_size(a)) { |
041e7168 AZ |
986 | odp_flow_format(nl_attr_get(a), nl_attr_get_size(a), NULL, 0, ds, |
987 | verbose); | |
fea393b1 | 988 | } |
fea393b1 BP |
989 | break; |
990 | ||
abff858b | 991 | case OVS_KEY_ATTR_PRIORITY: |
72e8bf28 | 992 | case OVS_KEY_ATTR_SKB_MARK: |
e6cc0bab | 993 | ds_put_format(ds, "%#"PRIx32, nl_attr_get_u32(a)); |
dc8c5408 | 994 | if (!is_exact) { |
e6cc0bab AZ |
995 | ds_put_format(ds, "/%#"PRIx32, nl_attr_get_u32(ma)); |
996 | } | |
72e8bf28 AA |
997 | break; |
998 | ||
9b405f1a PS |
999 | case OVS_KEY_ATTR_TUNNEL: |
1000 | memset(&tun_key, 0, sizeof tun_key); | |
617e10e7 | 1001 | if (odp_tun_key_from_attr(a, &tun_key) == ODP_FIT_ERROR) { |
e6cc0bab | 1002 | ds_put_format(ds, "error"); |
dc8c5408 | 1003 | } else if (!is_exact) { |
e6cc0bab AZ |
1004 | struct flow_tnl tun_mask; |
1005 | ||
1006 | memset(&tun_mask, 0, sizeof tun_mask); | |
1007 | odp_tun_key_from_attr(ma, &tun_mask); | |
1008 | ds_put_format(ds, "tun_id=%#"PRIx64"/%#"PRIx64 | |
1009 | ",src="IP_FMT"/"IP_FMT",dst="IP_FMT"/"IP_FMT | |
1010 | ",tos=%#"PRIx8"/%#"PRIx8",ttl=%"PRIu8"/%#"PRIx8 | |
1011 | ",flags(", | |
1012 | ntohll(tun_key.tun_id), ntohll(tun_mask.tun_id), | |
1013 | IP_ARGS(tun_key.ip_src), IP_ARGS(tun_mask.ip_src), | |
1014 | IP_ARGS(tun_key.ip_dst), IP_ARGS(tun_mask.ip_dst), | |
1015 | tun_key.ip_tos, tun_mask.ip_tos, | |
1016 | tun_key.ip_ttl, tun_mask.ip_ttl); | |
1017 | ||
1018 | format_flags(ds, flow_tun_flag_to_string, tun_key.flags, ','); | |
1019 | ||
1020 | /* XXX This code is correct, but enabling it would break the unit | |
1021 | test. Disable it for now until the input parser is fixed. | |
1022 | ||
1023 | ds_put_char(ds, '/'); | |
1024 | format_flags(ds, flow_tun_flag_to_string, tun_mask.flags, ','); | |
1025 | */ | |
1026 | ds_put_char(ds, ')'); | |
9b405f1a | 1027 | } else { |
e6cc0bab | 1028 | ds_put_format(ds, "tun_id=0x%"PRIx64",src="IP_FMT",dst="IP_FMT"," |
9b405f1a PS |
1029 | "tos=0x%"PRIx8",ttl=%"PRIu8",flags(", |
1030 | ntohll(tun_key.tun_id), | |
1031 | IP_ARGS(tun_key.ip_src), | |
1032 | IP_ARGS(tun_key.ip_dst), | |
1033 | tun_key.ip_tos, tun_key.ip_ttl); | |
1034 | ||
e6cc0bab AZ |
1035 | format_flags(ds, flow_tun_flag_to_string, tun_key.flags, ','); |
1036 | ds_put_char(ds, ')'); | |
9b405f1a | 1037 | } |
356af50b KM |
1038 | break; |
1039 | ||
df2c07f4 | 1040 | case OVS_KEY_ATTR_IN_PORT: |
e6cc0bab | 1041 | ds_put_format(ds, "%"PRIu32, nl_attr_get_u32(a)); |
dc8c5408 | 1042 | if (!is_exact) { |
e6cc0bab AZ |
1043 | ds_put_format(ds, "/%#"PRIx32, nl_attr_get_u32(ma)); |
1044 | } | |
36956a7d BP |
1045 | break; |
1046 | ||
df2c07f4 | 1047 | case OVS_KEY_ATTR_ETHERNET: |
dc8c5408 | 1048 | if (!is_exact) { |
e6cc0bab AZ |
1049 | const struct ovs_key_ethernet *eth_mask = nl_attr_get(ma); |
1050 | const struct ovs_key_ethernet *eth_key = nl_attr_get(a); | |
1051 | ||
1052 | ds_put_format(ds, "src="ETH_ADDR_FMT"/"ETH_ADDR_FMT | |
1053 | ",dst="ETH_ADDR_FMT"/"ETH_ADDR_FMT, | |
1054 | ETH_ADDR_ARGS(eth_key->eth_src), | |
1055 | ETH_ADDR_ARGS(eth_mask->eth_src), | |
1056 | ETH_ADDR_ARGS(eth_key->eth_dst), | |
1057 | ETH_ADDR_ARGS(eth_mask->eth_dst)); | |
1058 | } else { | |
1059 | const struct ovs_key_ethernet *eth_key = nl_attr_get(a); | |
1060 | ||
1061 | ds_put_format(ds, "src="ETH_ADDR_FMT",dst="ETH_ADDR_FMT, | |
1062 | ETH_ADDR_ARGS(eth_key->eth_src), | |
1063 | ETH_ADDR_ARGS(eth_key->eth_dst)); | |
1064 | } | |
36956a7d BP |
1065 | break; |
1066 | ||
fea393b1 | 1067 | case OVS_KEY_ATTR_VLAN: |
e6cc0bab AZ |
1068 | { |
1069 | ovs_be16 vlan_tci = nl_attr_get_be16(a); | |
dc8c5408 | 1070 | if (!is_exact) { |
e6cc0bab | 1071 | ovs_be16 mask = nl_attr_get_be16(ma); |
2d39507c | 1072 | ds_put_format(ds, "vid=%"PRIu16"/0x%"PRIx16",pcp=%d/0x%x,cfi=%d/%d", |
e6cc0bab AZ |
1073 | vlan_tci_to_vid(vlan_tci), |
1074 | vlan_tci_to_vid(mask), | |
1075 | vlan_tci_to_pcp(vlan_tci), | |
b06b6a39 | 1076 | vlan_tci_to_pcp(mask), |
e6cc0bab AZ |
1077 | vlan_tci_to_cfi(vlan_tci), |
1078 | vlan_tci_to_cfi(mask)); | |
1079 | } else { | |
1080 | format_vlan_tci(ds, vlan_tci); | |
1081 | } | |
1082 | } | |
36956a7d BP |
1083 | break; |
1084 | ||
b02475c5 SH |
1085 | case OVS_KEY_ATTR_MPLS: { |
1086 | const struct ovs_key_mpls *mpls_key = nl_attr_get(a); | |
e6cc0bab | 1087 | const struct ovs_key_mpls *mpls_mask = NULL; |
dc8c5408 | 1088 | if (!is_exact) { |
e6cc0bab AZ |
1089 | mpls_mask = nl_attr_get(ma); |
1090 | } | |
1091 | format_mpls(ds, mpls_key, mpls_mask); | |
b02475c5 SH |
1092 | break; |
1093 | } | |
1094 | ||
df2c07f4 | 1095 | case OVS_KEY_ATTR_ETHERTYPE: |
e6cc0bab | 1096 | ds_put_format(ds, "0x%04"PRIx16, ntohs(nl_attr_get_be16(a))); |
dc8c5408 | 1097 | if (!is_exact) { |
e6cc0bab AZ |
1098 | ds_put_format(ds, "/0x%04"PRIx16, ntohs(nl_attr_get_be16(ma))); |
1099 | } | |
36956a7d BP |
1100 | break; |
1101 | ||
df2c07f4 | 1102 | case OVS_KEY_ATTR_IPV4: |
dc8c5408 | 1103 | if (!is_exact) { |
e6cc0bab AZ |
1104 | const struct ovs_key_ipv4 *ipv4_key = nl_attr_get(a); |
1105 | const struct ovs_key_ipv4 *ipv4_mask = nl_attr_get(ma); | |
1106 | ||
1107 | ds_put_format(ds, "src="IP_FMT"/"IP_FMT",dst="IP_FMT"/"IP_FMT | |
1108 | ",proto=%"PRIu8"/%#"PRIx8",tos=%#"PRIx8"/%#"PRIx8 | |
1109 | ",ttl=%"PRIu8"/%#"PRIx8",frag=%s/%#"PRIx8, | |
1110 | IP_ARGS(ipv4_key->ipv4_src), | |
1111 | IP_ARGS(ipv4_mask->ipv4_src), | |
1112 | IP_ARGS(ipv4_key->ipv4_dst), | |
1113 | IP_ARGS(ipv4_mask->ipv4_dst), | |
1114 | ipv4_key->ipv4_proto, ipv4_mask->ipv4_proto, | |
1115 | ipv4_key->ipv4_tos, ipv4_mask->ipv4_tos, | |
1116 | ipv4_key->ipv4_ttl, ipv4_mask->ipv4_ttl, | |
1117 | ovs_frag_type_to_string(ipv4_key->ipv4_frag), | |
1118 | ipv4_mask->ipv4_frag); | |
1119 | } else { | |
1120 | const struct ovs_key_ipv4 *ipv4_key = nl_attr_get(a); | |
1121 | ||
1122 | ds_put_format(ds, "src="IP_FMT",dst="IP_FMT",proto=%"PRIu8 | |
1123 | ",tos=%#"PRIx8",ttl=%"PRIu8",frag=%s", | |
1124 | IP_ARGS(ipv4_key->ipv4_src), | |
1125 | IP_ARGS(ipv4_key->ipv4_dst), | |
1126 | ipv4_key->ipv4_proto, ipv4_key->ipv4_tos, | |
1127 | ipv4_key->ipv4_ttl, | |
1128 | ovs_frag_type_to_string(ipv4_key->ipv4_frag)); | |
1129 | } | |
36956a7d BP |
1130 | break; |
1131 | ||
e6cc0bab | 1132 | case OVS_KEY_ATTR_IPV6: |
dc8c5408 | 1133 | if (!is_exact) { |
e6cc0bab AZ |
1134 | const struct ovs_key_ipv6 *ipv6_key, *ipv6_mask; |
1135 | char src_str[INET6_ADDRSTRLEN]; | |
1136 | char dst_str[INET6_ADDRSTRLEN]; | |
1137 | char src_mask[INET6_ADDRSTRLEN]; | |
1138 | char dst_mask[INET6_ADDRSTRLEN]; | |
1139 | ||
1140 | ipv6_key = nl_attr_get(a); | |
1141 | inet_ntop(AF_INET6, ipv6_key->ipv6_src, src_str, sizeof src_str); | |
1142 | inet_ntop(AF_INET6, ipv6_key->ipv6_dst, dst_str, sizeof dst_str); | |
1143 | ||
1144 | ipv6_mask = nl_attr_get(ma); | |
1145 | inet_ntop(AF_INET6, ipv6_mask->ipv6_src, src_mask, sizeof src_mask); | |
1146 | inet_ntop(AF_INET6, ipv6_mask->ipv6_dst, dst_mask, sizeof dst_mask); | |
1147 | ||
1148 | ds_put_format(ds, "src=%s/%s,dst=%s/%s,label=%#"PRIx32"/%#"PRIx32 | |
1149 | ",proto=%"PRIu8"/%#"PRIx8",tclass=%#"PRIx8"/%#"PRIx8 | |
1150 | ",hlimit=%"PRIu8"/%#"PRIx8",frag=%s/%#"PRIx8, | |
1151 | src_str, src_mask, dst_str, dst_mask, | |
1152 | ntohl(ipv6_key->ipv6_label), | |
1153 | ntohl(ipv6_mask->ipv6_label), | |
1154 | ipv6_key->ipv6_proto, ipv6_mask->ipv6_proto, | |
1155 | ipv6_key->ipv6_tclass, ipv6_mask->ipv6_tclass, | |
1156 | ipv6_key->ipv6_hlimit, ipv6_mask->ipv6_hlimit, | |
1157 | ovs_frag_type_to_string(ipv6_key->ipv6_frag), | |
1158 | ipv6_mask->ipv6_frag); | |
1159 | } else { | |
1160 | const struct ovs_key_ipv6 *ipv6_key; | |
1161 | char src_str[INET6_ADDRSTRLEN]; | |
1162 | char dst_str[INET6_ADDRSTRLEN]; | |
1163 | ||
1164 | ipv6_key = nl_attr_get(a); | |
1165 | inet_ntop(AF_INET6, ipv6_key->ipv6_src, src_str, sizeof src_str); | |
1166 | inet_ntop(AF_INET6, ipv6_key->ipv6_dst, dst_str, sizeof dst_str); | |
1167 | ||
1168 | ds_put_format(ds, "src=%s,dst=%s,label=%#"PRIx32",proto=%"PRIu8 | |
1169 | ",tclass=%#"PRIx8",hlimit=%"PRIu8",frag=%s", | |
1170 | src_str, dst_str, ntohl(ipv6_key->ipv6_label), | |
1171 | ipv6_key->ipv6_proto, ipv6_key->ipv6_tclass, | |
1172 | ipv6_key->ipv6_hlimit, | |
1173 | ovs_frag_type_to_string(ipv6_key->ipv6_frag)); | |
1174 | } | |
d31f1109 | 1175 | break; |
d31f1109 | 1176 | |
df2c07f4 | 1177 | case OVS_KEY_ATTR_TCP: |
dc8c5408 | 1178 | if (!is_exact) { |
e6cc0bab AZ |
1179 | const struct ovs_key_tcp *tcp_mask = nl_attr_get(ma); |
1180 | const struct ovs_key_tcp *tcp_key = nl_attr_get(a); | |
1181 | ||
1182 | ds_put_format(ds, "src=%"PRIu16"/%#"PRIx16 | |
1183 | ",dst=%"PRIu16"/%#"PRIx16, | |
1184 | ntohs(tcp_key->tcp_src), ntohs(tcp_mask->tcp_src), | |
1185 | ntohs(tcp_key->tcp_dst), ntohs(tcp_mask->tcp_dst)); | |
1186 | } else { | |
1187 | const struct ovs_key_tcp *tcp_key = nl_attr_get(a); | |
1188 | ||
1189 | ds_put_format(ds, "src=%"PRIu16",dst=%"PRIu16, | |
1190 | ntohs(tcp_key->tcp_src), ntohs(tcp_key->tcp_dst)); | |
1191 | } | |
36956a7d BP |
1192 | break; |
1193 | ||
df2c07f4 | 1194 | case OVS_KEY_ATTR_UDP: |
dc8c5408 | 1195 | if (!is_exact) { |
e6cc0bab AZ |
1196 | const struct ovs_key_udp *udp_mask = nl_attr_get(ma); |
1197 | const struct ovs_key_udp *udp_key = nl_attr_get(a); | |
1198 | ||
1199 | ds_put_format(ds, "src=%"PRIu16"/%#"PRIx16 | |
1200 | ",dst=%"PRIu16"/%#"PRIx16, | |
1201 | ntohs(udp_key->udp_src), ntohs(udp_mask->udp_src), | |
1202 | ntohs(udp_key->udp_dst), ntohs(udp_mask->udp_dst)); | |
1203 | } else { | |
1204 | const struct ovs_key_udp *udp_key = nl_attr_get(a); | |
1205 | ||
1206 | ds_put_format(ds, "src=%"PRIu16",dst=%"PRIu16, | |
1207 | ntohs(udp_key->udp_src), ntohs(udp_key->udp_dst)); | |
1208 | } | |
36956a7d BP |
1209 | break; |
1210 | ||
c6bcb685 JS |
1211 | case OVS_KEY_ATTR_SCTP: |
1212 | if (ma) { | |
1213 | const struct ovs_key_sctp *sctp_mask = nl_attr_get(ma); | |
1214 | const struct ovs_key_sctp *sctp_key = nl_attr_get(a); | |
1215 | ||
1216 | ds_put_format(ds, "src=%"PRIu16"/%#"PRIx16 | |
1217 | ",dst=%"PRIu16"/%#"PRIx16, | |
1218 | ntohs(sctp_key->sctp_src), ntohs(sctp_mask->sctp_src), | |
1219 | ntohs(sctp_key->sctp_dst), ntohs(sctp_mask->sctp_dst)); | |
1220 | } else { | |
1221 | const struct ovs_key_sctp *sctp_key = nl_attr_get(a); | |
1222 | ||
1223 | ds_put_format(ds, "(src=%"PRIu16",dst=%"PRIu16")", | |
1224 | ntohs(sctp_key->sctp_src), ntohs(sctp_key->sctp_dst)); | |
1225 | } | |
1226 | break; | |
1227 | ||
df2c07f4 | 1228 | case OVS_KEY_ATTR_ICMP: |
dc8c5408 | 1229 | if (!is_exact) { |
e6cc0bab AZ |
1230 | const struct ovs_key_icmp *icmp_mask = nl_attr_get(ma); |
1231 | const struct ovs_key_icmp *icmp_key = nl_attr_get(a); | |
1232 | ||
1233 | ds_put_format(ds, "type=%"PRIu8"/%#"PRIx8",code=%"PRIu8"/%#"PRIx8, | |
1234 | icmp_key->icmp_type, icmp_mask->icmp_type, | |
1235 | icmp_key->icmp_code, icmp_mask->icmp_code); | |
1236 | } else { | |
1237 | const struct ovs_key_icmp *icmp_key = nl_attr_get(a); | |
1238 | ||
1239 | ds_put_format(ds, "type=%"PRIu8",code=%"PRIu8, | |
1240 | icmp_key->icmp_type, icmp_key->icmp_code); | |
1241 | } | |
36956a7d BP |
1242 | break; |
1243 | ||
df2c07f4 | 1244 | case OVS_KEY_ATTR_ICMPV6: |
dc8c5408 | 1245 | if (!is_exact) { |
e6cc0bab AZ |
1246 | const struct ovs_key_icmpv6 *icmpv6_mask = nl_attr_get(ma); |
1247 | const struct ovs_key_icmpv6 *icmpv6_key = nl_attr_get(a); | |
1248 | ||
1249 | ds_put_format(ds, "type=%"PRIu8"/%#"PRIx8",code=%"PRIu8"/%#"PRIx8, | |
1250 | icmpv6_key->icmpv6_type, icmpv6_mask->icmpv6_type, | |
1251 | icmpv6_key->icmpv6_code, icmpv6_mask->icmpv6_code); | |
1252 | } else { | |
1253 | const struct ovs_key_icmpv6 *icmpv6_key = nl_attr_get(a); | |
1254 | ||
1255 | ds_put_format(ds, "type=%"PRIu8",code=%"PRIu8, | |
1256 | icmpv6_key->icmpv6_type, icmpv6_key->icmpv6_code); | |
1257 | } | |
d31f1109 JP |
1258 | break; |
1259 | ||
df2c07f4 | 1260 | case OVS_KEY_ATTR_ARP: |
dc8c5408 | 1261 | if (!is_exact) { |
e6cc0bab AZ |
1262 | const struct ovs_key_arp *arp_mask = nl_attr_get(ma); |
1263 | const struct ovs_key_arp *arp_key = nl_attr_get(a); | |
1264 | ||
1265 | ds_put_format(ds, "sip="IP_FMT"/"IP_FMT",tip="IP_FMT"/"IP_FMT | |
1266 | ",op=%"PRIu16"/%#"PRIx16 | |
1267 | ",sha="ETH_ADDR_FMT"/"ETH_ADDR_FMT | |
1268 | ",tha="ETH_ADDR_FMT"/"ETH_ADDR_FMT, | |
1269 | IP_ARGS(arp_key->arp_sip), | |
1270 | IP_ARGS(arp_mask->arp_sip), | |
1271 | IP_ARGS(arp_key->arp_tip), | |
1272 | IP_ARGS(arp_mask->arp_tip), | |
1273 | ntohs(arp_key->arp_op), ntohs(arp_mask->arp_op), | |
1274 | ETH_ADDR_ARGS(arp_key->arp_sha), | |
1275 | ETH_ADDR_ARGS(arp_mask->arp_sha), | |
1276 | ETH_ADDR_ARGS(arp_key->arp_tha), | |
1277 | ETH_ADDR_ARGS(arp_mask->arp_tha)); | |
1278 | } else { | |
1279 | const struct ovs_key_arp *arp_key = nl_attr_get(a); | |
1280 | ||
1281 | ds_put_format(ds, "sip="IP_FMT",tip="IP_FMT",op=%"PRIu16"," | |
1282 | "sha="ETH_ADDR_FMT",tha="ETH_ADDR_FMT, | |
1283 | IP_ARGS(arp_key->arp_sip), IP_ARGS(arp_key->arp_tip), | |
1284 | ntohs(arp_key->arp_op), | |
1285 | ETH_ADDR_ARGS(arp_key->arp_sha), | |
1286 | ETH_ADDR_ARGS(arp_key->arp_tha)); | |
1287 | } | |
36956a7d BP |
1288 | break; |
1289 | ||
df2c07f4 | 1290 | case OVS_KEY_ATTR_ND: { |
dc8c5408 | 1291 | const struct ovs_key_nd *nd_key, *nd_mask = NULL; |
685a51a5 JP |
1292 | char target[INET6_ADDRSTRLEN]; |
1293 | ||
1294 | nd_key = nl_attr_get(a); | |
dc8c5408 AZ |
1295 | if (!is_exact) { |
1296 | nd_mask = nl_attr_get(ma); | |
1297 | } | |
e6cc0bab | 1298 | |
685a51a5 | 1299 | inet_ntop(AF_INET6, nd_key->nd_target, target, sizeof target); |
e6cc0bab | 1300 | ds_put_format(ds, "target=%s", target); |
dc8c5408 | 1301 | if (!is_exact) { |
e6cc0bab AZ |
1302 | inet_ntop(AF_INET6, nd_mask->nd_target, target, sizeof target); |
1303 | ds_put_format(ds, "/%s", target); | |
1304 | } | |
685a51a5 | 1305 | |
685a51a5 JP |
1306 | if (!eth_addr_is_zero(nd_key->nd_sll)) { |
1307 | ds_put_format(ds, ",sll="ETH_ADDR_FMT, | |
1308 | ETH_ADDR_ARGS(nd_key->nd_sll)); | |
dc8c5408 | 1309 | if (!is_exact) { |
e6cc0bab AZ |
1310 | ds_put_format(ds, "/"ETH_ADDR_FMT, |
1311 | ETH_ADDR_ARGS(nd_mask->nd_sll)); | |
1312 | } | |
685a51a5 JP |
1313 | } |
1314 | if (!eth_addr_is_zero(nd_key->nd_tll)) { | |
1315 | ds_put_format(ds, ",tll="ETH_ADDR_FMT, | |
1316 | ETH_ADDR_ARGS(nd_key->nd_tll)); | |
dc8c5408 | 1317 | if (!is_exact) { |
e6cc0bab AZ |
1318 | ds_put_format(ds, "/"ETH_ADDR_FMT, |
1319 | ETH_ADDR_ARGS(nd_mask->nd_tll)); | |
1320 | } | |
685a51a5 | 1321 | } |
685a51a5 JP |
1322 | break; |
1323 | } | |
1324 | ||
7a8e9ed2 BP |
1325 | case OVS_KEY_ATTR_UNSPEC: |
1326 | case __OVS_KEY_ATTR_MAX: | |
36956a7d BP |
1327 | default: |
1328 | format_generic_odp_key(a, ds); | |
dc8c5408 | 1329 | if (!is_exact) { |
e6cc0bab AZ |
1330 | ds_put_char(ds, '/'); |
1331 | format_generic_odp_key(ma, ds); | |
1332 | } | |
36956a7d BP |
1333 | break; |
1334 | } | |
e6cc0bab | 1335 | ds_put_char(ds, ')'); |
36956a7d BP |
1336 | } |
1337 | ||
dc8c5408 AZ |
1338 | static struct nlattr * |
1339 | generate_all_wildcard_mask(struct ofpbuf *ofp, const struct nlattr *key) | |
1340 | { | |
1341 | const struct nlattr *a; | |
1342 | unsigned int left; | |
1343 | int type = nl_attr_type(key); | |
1344 | int size = nl_attr_get_size(key); | |
1345 | ||
1346 | if (odp_flow_key_attr_len(type) >=0) { | |
1347 | memset(nl_msg_put_unspec_uninit(ofp, type, size), 0, size); | |
1348 | } else { | |
1349 | size_t nested_mask; | |
1350 | ||
1351 | nested_mask = nl_msg_start_nested(ofp, type); | |
1352 | NL_ATTR_FOR_EACH(a, left, key, nl_attr_get_size(key)) { | |
1353 | generate_all_wildcard_mask(ofp, nl_attr_get(a)); | |
1354 | } | |
1355 | nl_msg_end_nested(ofp, nested_mask); | |
1356 | } | |
1357 | ||
1358 | return ofp->base; | |
1359 | } | |
1360 | ||
36956a7d | 1361 | /* Appends to 'ds' a string representation of the 'key_len' bytes of |
e6cc0bab AZ |
1362 | * OVS_KEY_ATTR_* attributes in 'key'. If non-null, additionally formats the |
1363 | * 'mask_len' bytes of 'mask' which apply to 'key'. */ | |
14608a15 | 1364 | void |
e6cc0bab AZ |
1365 | odp_flow_format(const struct nlattr *key, size_t key_len, |
1366 | const struct nlattr *mask, size_t mask_len, | |
041e7168 | 1367 | struct ds *ds, bool verbose) |
14608a15 | 1368 | { |
36956a7d BP |
1369 | if (key_len) { |
1370 | const struct nlattr *a; | |
1371 | unsigned int left; | |
e6cc0bab AZ |
1372 | bool has_ethtype_key = false; |
1373 | const struct nlattr *ma = NULL; | |
dc8c5408 | 1374 | struct ofpbuf ofp; |
041e7168 | 1375 | bool first_field = true; |
36956a7d | 1376 | |
dc8c5408 | 1377 | ofpbuf_init(&ofp, 100); |
36956a7d | 1378 | NL_ATTR_FOR_EACH (a, left, key, key_len) { |
041e7168 AZ |
1379 | bool is_nested_attr; |
1380 | bool is_wildcard = false; | |
1381 | int attr_type = nl_attr_type(a); | |
1382 | ||
1383 | if (attr_type == OVS_KEY_ATTR_ETHERTYPE) { | |
e6cc0bab AZ |
1384 | has_ethtype_key = true; |
1385 | } | |
041e7168 AZ |
1386 | |
1387 | is_nested_attr = (odp_flow_key_attr_len(attr_type) == -2); | |
1388 | ||
e6cc0bab AZ |
1389 | if (mask && mask_len) { |
1390 | ma = nl_attr_find__(mask, mask_len, nl_attr_type(a)); | |
041e7168 AZ |
1391 | is_wildcard = ma ? odp_mask_attr_is_wildcard(ma) : true; |
1392 | } | |
1393 | ||
1394 | if (verbose || !is_wildcard || is_nested_attr) { | |
1395 | if (is_wildcard && !ma) { | |
dc8c5408 AZ |
1396 | ma = generate_all_wildcard_mask(&ofp, a); |
1397 | } | |
041e7168 AZ |
1398 | if (!first_field) { |
1399 | ds_put_char(ds, ','); | |
1400 | } | |
1401 | format_odp_key_attr(a, ma, ds, verbose); | |
1402 | first_field = false; | |
e6cc0bab | 1403 | } |
dc8c5408 | 1404 | ofpbuf_clear(&ofp); |
36956a7d | 1405 | } |
dc8c5408 AZ |
1406 | ofpbuf_uninit(&ofp); |
1407 | ||
36956a7d | 1408 | if (left) { |
3a8cfc50 | 1409 | int i; |
1394054e | 1410 | |
36956a7d BP |
1411 | if (left == key_len) { |
1412 | ds_put_cstr(ds, "<empty>"); | |
1413 | } | |
3a8cfc50 BP |
1414 | ds_put_format(ds, ",***%u leftover bytes*** (", left); |
1415 | for (i = 0; i < left; i++) { | |
1416 | ds_put_format(ds, "%02x", ((const uint8_t *) a)[i]); | |
1417 | } | |
1418 | ds_put_char(ds, ')'); | |
36956a7d | 1419 | } |
e6cc0bab AZ |
1420 | if (!has_ethtype_key) { |
1421 | ma = nl_attr_find__(mask, mask_len, OVS_KEY_ATTR_ETHERTYPE); | |
1422 | if (ma) { | |
1423 | ds_put_format(ds, ",eth_type(0/0x%04"PRIx16")", | |
1424 | ntohs(nl_attr_get_be16(ma))); | |
1425 | } | |
1426 | } | |
36956a7d BP |
1427 | } else { |
1428 | ds_put_cstr(ds, "<empty>"); | |
1429 | } | |
14608a15 | 1430 | } |
064af421 | 1431 | |
e6cc0bab AZ |
1432 | /* Appends to 'ds' a string representation of the 'key_len' bytes of |
1433 | * OVS_KEY_ATTR_* attributes in 'key'. */ | |
1434 | void | |
1435 | odp_flow_key_format(const struct nlattr *key, | |
1436 | size_t key_len, struct ds *ds) | |
1437 | { | |
041e7168 | 1438 | odp_flow_format(key, key_len, NULL, 0, ds, true); |
e6cc0bab AZ |
1439 | } |
1440 | ||
dc8c5408 AZ |
1441 | static void |
1442 | put_nd(struct ovs_key_nd* nd_key, const uint8_t *nd_sll, | |
1443 | const uint8_t *nd_tll, struct ofpbuf *key) | |
1444 | { | |
1445 | if (nd_sll) { | |
1446 | memcpy(nd_key->nd_sll, nd_sll, ETH_ADDR_LEN); | |
1447 | } | |
1448 | ||
1449 | if (nd_tll) { | |
1450 | memcpy(nd_key->nd_tll, nd_tll, ETH_ADDR_LEN); | |
1451 | } | |
1452 | ||
1453 | nl_msg_put_unspec(key, OVS_KEY_ATTR_ND, nd_key, sizeof *nd_key); | |
1454 | } | |
1455 | ||
3bffc610 | 1456 | static int |
dc8c5408 AZ |
1457 | put_nd_key(int n, const char *nd_target_s, const uint8_t *nd_sll, |
1458 | const uint8_t *nd_tll, struct ofpbuf *key) | |
3bffc610 | 1459 | { |
df2c07f4 | 1460 | struct ovs_key_nd nd_key; |
3bffc610 BP |
1461 | |
1462 | memset(&nd_key, 0, sizeof nd_key); | |
dc8c5408 | 1463 | |
3bffc610 BP |
1464 | if (inet_pton(AF_INET6, nd_target_s, nd_key.nd_target) != 1) { |
1465 | return -EINVAL; | |
1466 | } | |
dc8c5408 AZ |
1467 | |
1468 | put_nd(&nd_key, nd_sll, nd_tll, key); | |
1469 | return n; | |
1470 | } | |
1471 | ||
1472 | static int | |
1473 | put_nd_mask(int n, const char *nd_target_s, | |
1474 | const uint8_t *nd_sll, const uint8_t *nd_tll, struct ofpbuf *mask) | |
1475 | { | |
1476 | struct ovs_key_nd nd_mask; | |
1477 | ||
1478 | memset(&nd_mask, 0xff, sizeof nd_mask); | |
1479 | ||
1480 | if (strlen(nd_target_s) != 0 && | |
1481 | inet_pton(AF_INET6, nd_target_s, nd_mask.nd_target) != 1) { | |
1482 | return -EINVAL; | |
3bffc610 | 1483 | } |
dc8c5408 AZ |
1484 | |
1485 | put_nd(&nd_mask, nd_sll, nd_tll, mask); | |
3bffc610 BP |
1486 | return n; |
1487 | } | |
1488 | ||
7257b535 BP |
1489 | static bool |
1490 | ovs_frag_type_from_string(const char *s, enum ovs_frag_type *type) | |
1491 | { | |
1492 | if (!strcasecmp(s, "no")) { | |
1493 | *type = OVS_FRAG_TYPE_NONE; | |
1494 | } else if (!strcasecmp(s, "first")) { | |
1495 | *type = OVS_FRAG_TYPE_FIRST; | |
1496 | } else if (!strcasecmp(s, "later")) { | |
1497 | *type = OVS_FRAG_TYPE_LATER; | |
1498 | } else { | |
1499 | return false; | |
1500 | } | |
1501 | return true; | |
1502 | } | |
1503 | ||
b02475c5 SH |
1504 | static ovs_be32 |
1505 | mpls_lse_from_components(int mpls_label, int mpls_tc, int mpls_ttl, int mpls_bos) | |
1506 | { | |
1507 | return (htonl((mpls_label << MPLS_LABEL_SHIFT) | | |
1508 | (mpls_tc << MPLS_TC_SHIFT) | | |
1509 | (mpls_ttl << MPLS_TTL_SHIFT) | | |
1510 | (mpls_bos << MPLS_BOS_SHIFT))); | |
1511 | } | |
1512 | ||
3bffc610 | 1513 | static int |
e6cc0bab AZ |
1514 | parse_odp_key_mask_attr(const char *s, const struct simap *port_names, |
1515 | struct ofpbuf *key, struct ofpbuf *mask) | |
3bffc610 BP |
1516 | { |
1517 | /* Many of the sscanf calls in this function use oversized destination | |
1518 | * fields because some sscanf() implementations truncate the range of %i | |
1519 | * directives, so that e.g. "%"SCNi16 interprets input of "0xfedc" as a | |
1520 | * value of 0x7fff. The other alternatives are to allow only a single | |
1521 | * radix (e.g. decimal or hexadecimal) or to write more sophisticated | |
1522 | * parsers. | |
1523 | * | |
1524 | * The tun_id parser has to use an alternative approach because there is no | |
1525 | * type larger than 64 bits. */ | |
1526 | ||
abff858b PS |
1527 | { |
1528 | unsigned long long int priority; | |
e6cc0bab | 1529 | unsigned long long int priority_mask; |
abff858b PS |
1530 | int n = -1; |
1531 | ||
e6cc0bab AZ |
1532 | if (mask && sscanf(s, "skb_priority(%lli/%lli)%n", &priority, |
1533 | &priority_mask, &n) > 0 && n > 0) { | |
1534 | nl_msg_put_u32(key, OVS_KEY_ATTR_PRIORITY, priority); | |
1535 | nl_msg_put_u32(mask, OVS_KEY_ATTR_PRIORITY, priority_mask); | |
1536 | return n; | |
1537 | } else if (sscanf(s, "skb_priority(%lli)%n", | |
1538 | &priority, &n) > 0 && n > 0) { | |
abff858b | 1539 | nl_msg_put_u32(key, OVS_KEY_ATTR_PRIORITY, priority); |
e6cc0bab AZ |
1540 | if (mask) { |
1541 | nl_msg_put_u32(mask, OVS_KEY_ATTR_PRIORITY, UINT32_MAX); | |
1542 | } | |
abff858b PS |
1543 | return n; |
1544 | } | |
1545 | } | |
1546 | ||
72e8bf28 AA |
1547 | { |
1548 | unsigned long long int mark; | |
e6cc0bab | 1549 | unsigned long long int mark_mask; |
72e8bf28 AA |
1550 | int n = -1; |
1551 | ||
e6cc0bab AZ |
1552 | if (mask && sscanf(s, "skb_mark(%lli/%lli)%n", &mark, |
1553 | &mark_mask, &n) > 0 && n > 0) { | |
1554 | nl_msg_put_u32(key, OVS_KEY_ATTR_SKB_MARK, mark); | |
1555 | nl_msg_put_u32(mask, OVS_KEY_ATTR_SKB_MARK, mark_mask); | |
1556 | return n; | |
1557 | } else if (sscanf(s, "skb_mark(%lli)%n", &mark, &n) > 0 && n > 0) { | |
72e8bf28 | 1558 | nl_msg_put_u32(key, OVS_KEY_ATTR_SKB_MARK, mark); |
e6cc0bab AZ |
1559 | if (mask) { |
1560 | nl_msg_put_u32(mask, OVS_KEY_ATTR_SKB_MARK, UINT32_MAX); | |
1561 | } | |
72e8bf28 AA |
1562 | return n; |
1563 | } | |
1564 | } | |
1565 | ||
35651d6a JG |
1566 | { |
1567 | char tun_id_s[32]; | |
e6cc0bab AZ |
1568 | int tos, tos_mask, ttl, ttl_mask; |
1569 | struct flow_tnl tun_key, tun_key_mask; | |
1570 | unsigned long long tun_id_mask; | |
35651d6a JG |
1571 | int n = -1; |
1572 | ||
e6cc0bab AZ |
1573 | if (mask && sscanf(s, "tunnel(tun_id=%31[x0123456789abcdefABCDEF]/%llx," |
1574 | "src="IP_SCAN_FMT"/"IP_SCAN_FMT",dst="IP_SCAN_FMT | |
1575 | "/"IP_SCAN_FMT",tos=%i/%i,ttl=%i/%i,flags%n", | |
1576 | tun_id_s, &tun_id_mask, | |
1577 | IP_SCAN_ARGS(&tun_key.ip_src), | |
1578 | IP_SCAN_ARGS(&tun_key_mask.ip_src), | |
1579 | IP_SCAN_ARGS(&tun_key.ip_dst), | |
1580 | IP_SCAN_ARGS(&tun_key_mask.ip_dst), | |
1581 | &tos, &tos_mask, &ttl, &ttl_mask, | |
1582 | &n) > 0 && n > 0) { | |
1583 | int res; | |
1584 | uint32_t flags; | |
1585 | ||
1586 | tun_key.tun_id = htonll(strtoull(tun_id_s, NULL, 0)); | |
1587 | tun_key_mask.tun_id = htonll(tun_id_mask); | |
1588 | tun_key.ip_tos = tos; | |
1589 | tun_key_mask.ip_tos = tos_mask; | |
1590 | tun_key.ip_ttl = ttl; | |
1591 | tun_key_mask.ip_ttl = ttl_mask; | |
1592 | res = parse_flags(&s[n], flow_tun_flag_to_string, &flags); | |
1593 | tun_key.flags = flags; | |
1594 | tun_key_mask.flags = UINT16_MAX; | |
1595 | ||
1596 | if (res < 0) { | |
1597 | return res; | |
1598 | } | |
1599 | n += res; | |
1600 | if (s[n] != ')') { | |
1601 | return -EINVAL; | |
1602 | } | |
1603 | n++; | |
1604 | tun_key_to_attr(key, &tun_key); | |
1605 | if (mask) { | |
1606 | tun_key_to_attr(mask, &tun_key_mask); | |
1607 | } | |
1608 | return n; | |
1609 | } else if (sscanf(s, "tunnel(tun_id=%31[x0123456789abcdefABCDEF]," | |
29c7a2b2 PS |
1610 | "src="IP_SCAN_FMT",dst="IP_SCAN_FMT |
1611 | ",tos=%i,ttl=%i,flags%n", tun_id_s, | |
9b405f1a PS |
1612 | IP_SCAN_ARGS(&tun_key.ip_src), |
1613 | IP_SCAN_ARGS(&tun_key.ip_dst), &tos, &ttl, | |
35651d6a | 1614 | &n) > 0 && n > 0) { |
29c7a2b2 | 1615 | int res; |
9b405f1a | 1616 | uint32_t flags; |
29c7a2b2 | 1617 | |
35651d6a | 1618 | tun_key.tun_id = htonll(strtoull(tun_id_s, NULL, 0)); |
9b405f1a PS |
1619 | tun_key.ip_tos = tos; |
1620 | tun_key.ip_ttl = ttl; | |
1621 | res = parse_flags(&s[n], flow_tun_flag_to_string, &flags); | |
e6cc0bab | 1622 | tun_key.flags = flags; |
29c7a2b2 | 1623 | |
29c7a2b2 PS |
1624 | if (res < 0) { |
1625 | return res; | |
1626 | } | |
1627 | n += res; | |
1628 | if (s[n] != ')') { | |
1629 | return -EINVAL; | |
1630 | } | |
1631 | n++; | |
9b405f1a | 1632 | tun_key_to_attr(key, &tun_key); |
e6cc0bab AZ |
1633 | |
1634 | if (mask) { | |
1635 | memset(&tun_key, 0xff, sizeof tun_key); | |
1636 | tun_key_to_attr(mask, &tun_key); | |
1637 | } | |
35651d6a JG |
1638 | return n; |
1639 | } | |
1640 | } | |
1641 | ||
3bffc610 BP |
1642 | { |
1643 | unsigned long long int in_port; | |
e6cc0bab | 1644 | unsigned long long int in_port_mask; |
3bffc610 BP |
1645 | int n = -1; |
1646 | ||
e6cc0bab AZ |
1647 | if (mask && sscanf(s, "in_port(%lli/%lli)%n", &in_port, |
1648 | &in_port_mask, &n) > 0 && n > 0) { | |
1649 | nl_msg_put_u32(key, OVS_KEY_ATTR_IN_PORT, in_port); | |
1650 | nl_msg_put_u32(mask, OVS_KEY_ATTR_IN_PORT, in_port_mask); | |
1651 | return n; | |
1652 | } else if (sscanf(s, "in_port(%lli)%n", &in_port, &n) > 0 && n > 0) { | |
df2c07f4 | 1653 | nl_msg_put_u32(key, OVS_KEY_ATTR_IN_PORT, in_port); |
e6cc0bab AZ |
1654 | if (mask) { |
1655 | nl_msg_put_u32(mask, OVS_KEY_ATTR_IN_PORT, UINT32_MAX); | |
1656 | } | |
3bffc610 BP |
1657 | return n; |
1658 | } | |
1659 | } | |
1660 | ||
e6cc0bab | 1661 | |
b2a60db8 BP |
1662 | if (port_names && !strncmp(s, "in_port(", 8)) { |
1663 | const char *name; | |
44bac24b | 1664 | const struct simap_node *node; |
b2a60db8 BP |
1665 | int name_len; |
1666 | ||
1667 | name = s + 8; | |
c46c613a | 1668 | name_len = strcspn(name, ")"); |
44bac24b | 1669 | node = simap_find_len(port_names, name, name_len); |
b2a60db8 | 1670 | if (node) { |
44bac24b | 1671 | nl_msg_put_u32(key, OVS_KEY_ATTR_IN_PORT, node->data); |
e6cc0bab AZ |
1672 | |
1673 | if (mask) { | |
1674 | nl_msg_put_u32(mask, OVS_KEY_ATTR_IN_PORT, UINT32_MAX); | |
1675 | } | |
b2a60db8 BP |
1676 | return 8 + name_len + 1; |
1677 | } | |
1678 | } | |
1679 | ||
3bffc610 | 1680 | { |
df2c07f4 | 1681 | struct ovs_key_ethernet eth_key; |
e6cc0bab | 1682 | struct ovs_key_ethernet eth_key_mask; |
3bffc610 BP |
1683 | int n = -1; |
1684 | ||
e6cc0bab AZ |
1685 | if (mask && sscanf(s, |
1686 | "eth(src="ETH_ADDR_SCAN_FMT"/"ETH_ADDR_SCAN_FMT"," | |
1687 | "dst="ETH_ADDR_SCAN_FMT"/"ETH_ADDR_SCAN_FMT")%n", | |
1688 | ETH_ADDR_SCAN_ARGS(eth_key.eth_src), | |
1689 | ETH_ADDR_SCAN_ARGS(eth_key_mask.eth_src), | |
1690 | ETH_ADDR_SCAN_ARGS(eth_key.eth_dst), | |
1691 | ETH_ADDR_SCAN_ARGS(eth_key_mask.eth_dst), &n) > 0 && n > 0) { | |
1692 | ||
1693 | nl_msg_put_unspec(key, OVS_KEY_ATTR_ETHERNET, | |
1694 | ð_key, sizeof eth_key); | |
1695 | nl_msg_put_unspec(mask, OVS_KEY_ATTR_ETHERNET, | |
1696 | ð_key_mask, sizeof eth_key_mask); | |
1697 | return n; | |
1698 | } else if (sscanf(s, | |
3bffc610 BP |
1699 | "eth(src="ETH_ADDR_SCAN_FMT",dst="ETH_ADDR_SCAN_FMT")%n", |
1700 | ETH_ADDR_SCAN_ARGS(eth_key.eth_src), | |
1701 | ETH_ADDR_SCAN_ARGS(eth_key.eth_dst), &n) > 0 && n > 0) { | |
df2c07f4 | 1702 | nl_msg_put_unspec(key, OVS_KEY_ATTR_ETHERNET, |
3bffc610 | 1703 | ð_key, sizeof eth_key); |
e6cc0bab AZ |
1704 | |
1705 | if (mask) { | |
1706 | memset(ð_key, 0xff, sizeof eth_key); | |
1707 | nl_msg_put_unspec(mask, OVS_KEY_ATTR_ETHERNET, | |
1708 | ð_key, sizeof eth_key); | |
1709 | } | |
3bffc610 BP |
1710 | return n; |
1711 | } | |
1712 | } | |
1713 | ||
1714 | { | |
e6cc0bab AZ |
1715 | uint16_t vid, vid_mask; |
1716 | int pcp, pcp_mask; | |
1717 | int cfi, cfi_mask; | |
3bffc610 BP |
1718 | int n = -1; |
1719 | ||
e6cc0bab AZ |
1720 | if (mask && (sscanf(s, "vlan(vid=%"SCNi16"/%"SCNi16",pcp=%i/%i)%n", |
1721 | &vid, &vid_mask, &pcp, &pcp_mask, &n) > 0 && n > 0)) { | |
1722 | nl_msg_put_be16(key, OVS_KEY_ATTR_VLAN, | |
1723 | htons((vid << VLAN_VID_SHIFT) | | |
1724 | (pcp << VLAN_PCP_SHIFT) | | |
1725 | VLAN_CFI)); | |
1726 | nl_msg_put_be16(mask, OVS_KEY_ATTR_VLAN, | |
1727 | htons((vid_mask << VLAN_VID_SHIFT) | | |
1728 | (pcp_mask << VLAN_PCP_SHIFT) | | |
1729 | (1 << VLAN_CFI_SHIFT))); | |
1730 | return n; | |
1731 | } else if ((sscanf(s, "vlan(vid=%"SCNi16",pcp=%i)%n", | |
1732 | &vid, &pcp, &n) > 0 && n > 0)) { | |
fea393b1 BP |
1733 | nl_msg_put_be16(key, OVS_KEY_ATTR_VLAN, |
1734 | htons((vid << VLAN_VID_SHIFT) | | |
8ddc056d BP |
1735 | (pcp << VLAN_PCP_SHIFT) | |
1736 | VLAN_CFI)); | |
e6cc0bab | 1737 | if (mask) { |
b8266395 | 1738 | nl_msg_put_be16(mask, OVS_KEY_ATTR_VLAN, OVS_BE16_MAX); |
e6cc0bab AZ |
1739 | } |
1740 | return n; | |
1741 | } else if (mask && (sscanf(s, "vlan(vid=%"SCNi16"/%"SCNi16",pcp=%i/%i,cfi=%i/%i)%n", | |
1742 | &vid, &vid_mask, &pcp, &pcp_mask, &cfi, &cfi_mask, &n) > 0 && n > 0)) { | |
1743 | nl_msg_put_be16(key, OVS_KEY_ATTR_VLAN, | |
1744 | htons((vid << VLAN_VID_SHIFT) | | |
1745 | (pcp << VLAN_PCP_SHIFT) | | |
1746 | (cfi ? VLAN_CFI : 0))); | |
1747 | nl_msg_put_be16(mask, OVS_KEY_ATTR_VLAN, | |
1748 | htons((vid_mask << VLAN_VID_SHIFT) | | |
1749 | (pcp_mask << VLAN_PCP_SHIFT) | | |
1750 | (cfi_mask << VLAN_CFI_SHIFT))); | |
8ddc056d BP |
1751 | return n; |
1752 | } else if ((sscanf(s, "vlan(vid=%"SCNi16",pcp=%i,cfi=%i)%n", | |
e6cc0bab | 1753 | &vid, &pcp, &cfi, &n) > 0 && n > 0)) { |
8ddc056d BP |
1754 | nl_msg_put_be16(key, OVS_KEY_ATTR_VLAN, |
1755 | htons((vid << VLAN_VID_SHIFT) | | |
1756 | (pcp << VLAN_PCP_SHIFT) | | |
1757 | (cfi ? VLAN_CFI : 0))); | |
e6cc0bab | 1758 | if (mask) { |
b8266395 | 1759 | nl_msg_put_be16(mask, OVS_KEY_ATTR_VLAN, OVS_BE16_MAX); |
e6cc0bab | 1760 | } |
3bffc610 BP |
1761 | return n; |
1762 | } | |
1763 | } | |
1764 | ||
1765 | { | |
fac2e516 | 1766 | int eth_type; |
e6cc0bab | 1767 | int eth_type_mask; |
3bffc610 BP |
1768 | int n = -1; |
1769 | ||
e6cc0bab AZ |
1770 | if (mask && sscanf(s, "eth_type(%i/%i)%n", |
1771 | ð_type, ð_type_mask, &n) > 0 && n > 0) { | |
1772 | if (eth_type != 0) { | |
1773 | nl_msg_put_be16(key, OVS_KEY_ATTR_ETHERTYPE, htons(eth_type)); | |
1774 | } | |
1775 | nl_msg_put_be16(mask, OVS_KEY_ATTR_ETHERTYPE, htons(eth_type_mask)); | |
1776 | return n; | |
1777 | } else if (sscanf(s, "eth_type(%i)%n", ð_type, &n) > 0 && n > 0) { | |
df2c07f4 | 1778 | nl_msg_put_be16(key, OVS_KEY_ATTR_ETHERTYPE, htons(eth_type)); |
e6cc0bab | 1779 | if (mask) { |
b8266395 | 1780 | nl_msg_put_be16(mask, OVS_KEY_ATTR_ETHERTYPE, OVS_BE16_MAX); |
e6cc0bab | 1781 | } |
3bffc610 BP |
1782 | return n; |
1783 | } | |
1784 | } | |
1785 | ||
b02475c5 SH |
1786 | { |
1787 | int label, tc, ttl, bos; | |
e6cc0bab | 1788 | int label_mask, tc_mask, ttl_mask, bos_mask; |
b02475c5 SH |
1789 | int n = -1; |
1790 | ||
e6cc0bab AZ |
1791 | if (mask && sscanf(s, "mpls(label=%"SCNi32"/%"SCNi32",tc=%i/%i,ttl=%i/%i,bos=%i/%i)%n", |
1792 | &label, &label_mask, &tc, &tc_mask, &ttl, &ttl_mask, &bos, &bos_mask, &n) > 0 && n > 0) { | |
1793 | struct ovs_key_mpls *mpls, *mpls_mask; | |
1794 | ||
1795 | mpls = nl_msg_put_unspec_uninit(key, OVS_KEY_ATTR_MPLS, | |
1796 | sizeof *mpls); | |
1797 | mpls->mpls_lse = mpls_lse_from_components(label, tc, ttl, bos); | |
1798 | ||
1799 | mpls_mask = nl_msg_put_unspec_uninit(mask, OVS_KEY_ATTR_MPLS, | |
1800 | sizeof *mpls_mask); | |
1801 | mpls_mask->mpls_lse = mpls_lse_from_components( | |
1802 | label_mask, tc_mask, ttl_mask, bos_mask); | |
1803 | return n; | |
1804 | } else if (sscanf(s, "mpls(label=%"SCNi32",tc=%i,ttl=%i,bos=%i)%n", | |
b02475c5 SH |
1805 | &label, &tc, &ttl, &bos, &n) > 0 && |
1806 | n > 0) { | |
1807 | struct ovs_key_mpls *mpls; | |
1808 | ||
1809 | mpls = nl_msg_put_unspec_uninit(key, OVS_KEY_ATTR_MPLS, | |
1810 | sizeof *mpls); | |
20131cef | 1811 | mpls->mpls_lse = mpls_lse_from_components(label, tc, ttl, bos); |
e6cc0bab AZ |
1812 | if (mask) { |
1813 | mpls = nl_msg_put_unspec_uninit(mask, OVS_KEY_ATTR_MPLS, | |
1814 | sizeof *mpls); | |
b8266395 | 1815 | mpls->mpls_lse = OVS_BE32_MAX; |
e6cc0bab | 1816 | } |
b02475c5 SH |
1817 | return n; |
1818 | } | |
1819 | } | |
1820 | ||
e6cc0bab | 1821 | |
3bffc610 | 1822 | { |
e6cc0bab AZ |
1823 | ovs_be32 ipv4_src, ipv4_src_mask; |
1824 | ovs_be32 ipv4_dst, ipv4_dst_mask; | |
1825 | int ipv4_proto, ipv4_proto_mask; | |
1826 | int ipv4_tos, ipv4_tos_mask; | |
1827 | int ipv4_ttl, ipv4_ttl_mask; | |
7257b535 | 1828 | char frag[8]; |
e6cc0bab | 1829 | int ipv4_frag_mask; |
7257b535 | 1830 | enum ovs_frag_type ipv4_frag; |
3bffc610 BP |
1831 | int n = -1; |
1832 | ||
e6cc0bab AZ |
1833 | if (mask && sscanf(s, "ipv4(src="IP_SCAN_FMT"/"IP_SCAN_FMT"," |
1834 | "dst="IP_SCAN_FMT"/"IP_SCAN_FMT"," | |
1835 | "proto=%i/%i,tos=%i/%i,ttl=%i/%i," | |
1836 | "frag=%7[a-z]/%i)%n", | |
1837 | IP_SCAN_ARGS(&ipv4_src), IP_SCAN_ARGS(&ipv4_src_mask), | |
1838 | IP_SCAN_ARGS(&ipv4_dst), IP_SCAN_ARGS(&ipv4_dst_mask), | |
1839 | &ipv4_proto, &ipv4_proto_mask, | |
1840 | &ipv4_tos, &ipv4_tos_mask, &ipv4_ttl, &ipv4_ttl_mask, | |
1841 | frag, &ipv4_frag_mask, &n) > 0 | |
1842 | && n > 0 | |
1843 | && ovs_frag_type_from_string(frag, &ipv4_frag)) { | |
1844 | struct ovs_key_ipv4 ipv4_key; | |
1845 | struct ovs_key_ipv4 ipv4_mask; | |
1846 | ||
1847 | ipv4_key.ipv4_src = ipv4_src; | |
1848 | ipv4_key.ipv4_dst = ipv4_dst; | |
1849 | ipv4_key.ipv4_proto = ipv4_proto; | |
1850 | ipv4_key.ipv4_tos = ipv4_tos; | |
1851 | ipv4_key.ipv4_ttl = ipv4_ttl; | |
1852 | ipv4_key.ipv4_frag = ipv4_frag; | |
1853 | nl_msg_put_unspec(key, OVS_KEY_ATTR_IPV4, | |
1854 | &ipv4_key, sizeof ipv4_key); | |
1855 | ||
1856 | ipv4_mask.ipv4_src = ipv4_src_mask; | |
1857 | ipv4_mask.ipv4_dst = ipv4_dst_mask; | |
1858 | ipv4_mask.ipv4_proto = ipv4_proto_mask; | |
1859 | ipv4_mask.ipv4_tos = ipv4_tos_mask; | |
1860 | ipv4_mask.ipv4_ttl = ipv4_ttl_mask; | |
1861 | ipv4_mask.ipv4_frag = ipv4_frag_mask; | |
1862 | nl_msg_put_unspec(mask, OVS_KEY_ATTR_IPV4, | |
1863 | &ipv4_mask, sizeof ipv4_mask); | |
1864 | return n; | |
1865 | } else if (sscanf(s, "ipv4(src="IP_SCAN_FMT",dst="IP_SCAN_FMT"," | |
a61680c6 | 1866 | "proto=%i,tos=%i,ttl=%i,frag=%7[a-z])%n", |
7257b535 | 1867 | IP_SCAN_ARGS(&ipv4_src), IP_SCAN_ARGS(&ipv4_dst), |
a61680c6 | 1868 | &ipv4_proto, &ipv4_tos, &ipv4_ttl, frag, &n) > 0 |
7257b535 BP |
1869 | && n > 0 |
1870 | && ovs_frag_type_from_string(frag, &ipv4_frag)) { | |
df2c07f4 | 1871 | struct ovs_key_ipv4 ipv4_key; |
3bffc610 | 1872 | |
3bffc610 BP |
1873 | ipv4_key.ipv4_src = ipv4_src; |
1874 | ipv4_key.ipv4_dst = ipv4_dst; | |
1875 | ipv4_key.ipv4_proto = ipv4_proto; | |
1876 | ipv4_key.ipv4_tos = ipv4_tos; | |
a61680c6 | 1877 | ipv4_key.ipv4_ttl = ipv4_ttl; |
7257b535 | 1878 | ipv4_key.ipv4_frag = ipv4_frag; |
df2c07f4 | 1879 | nl_msg_put_unspec(key, OVS_KEY_ATTR_IPV4, |
3bffc610 | 1880 | &ipv4_key, sizeof ipv4_key); |
e6cc0bab AZ |
1881 | |
1882 | if (mask) { | |
1883 | memset(&ipv4_key, 0xff, sizeof ipv4_key); | |
1884 | nl_msg_put_unspec(mask, OVS_KEY_ATTR_IPV4, | |
1885 | &ipv4_key, sizeof ipv4_key); | |
1886 | } | |
3bffc610 BP |
1887 | return n; |
1888 | } | |
1889 | } | |
1890 | ||
1891 | { | |
1892 | char ipv6_src_s[IPV6_SCAN_LEN + 1]; | |
e6cc0bab | 1893 | char ipv6_src_mask_s[IPV6_SCAN_LEN + 1]; |
3bffc610 | 1894 | char ipv6_dst_s[IPV6_SCAN_LEN + 1]; |
e6cc0bab AZ |
1895 | char ipv6_dst_mask_s[IPV6_SCAN_LEN + 1]; |
1896 | int ipv6_label, ipv6_label_mask; | |
1897 | int ipv6_proto, ipv6_proto_mask; | |
1898 | int ipv6_tclass, ipv6_tclass_mask; | |
1899 | int ipv6_hlimit, ipv6_hlimit_mask; | |
7257b535 BP |
1900 | char frag[8]; |
1901 | enum ovs_frag_type ipv6_frag; | |
e6cc0bab | 1902 | int ipv6_frag_mask; |
3bffc610 BP |
1903 | int n = -1; |
1904 | ||
e6cc0bab AZ |
1905 | if (mask && sscanf(s, "ipv6(src="IPV6_SCAN_FMT"/"IPV6_SCAN_FMT",dst=" |
1906 | IPV6_SCAN_FMT"/"IPV6_SCAN_FMT"," | |
1907 | "label=%i/%i,proto=%i/%i,tclass=%i/%i," | |
1908 | "hlimit=%i/%i,frag=%7[a-z]/%i)%n", | |
1909 | ipv6_src_s, ipv6_src_mask_s, ipv6_dst_s, ipv6_dst_mask_s, | |
1910 | &ipv6_label, &ipv6_label_mask, &ipv6_proto, | |
1911 | &ipv6_proto_mask, &ipv6_tclass, &ipv6_tclass_mask, | |
1912 | &ipv6_hlimit, &ipv6_hlimit_mask, frag, | |
1913 | &ipv6_frag_mask, &n) > 0 | |
1914 | && n > 0 | |
1915 | && ovs_frag_type_from_string(frag, &ipv6_frag)) { | |
1916 | struct ovs_key_ipv6 ipv6_key; | |
1917 | struct ovs_key_ipv6 ipv6_mask; | |
1918 | ||
1919 | if (inet_pton(AF_INET6, ipv6_src_s, &ipv6_key.ipv6_src) != 1 || | |
1920 | inet_pton(AF_INET6, ipv6_dst_s, &ipv6_key.ipv6_dst) != 1 || | |
1921 | inet_pton(AF_INET6, ipv6_src_mask_s, &ipv6_mask.ipv6_src) != 1 || | |
1922 | inet_pton(AF_INET6, ipv6_dst_mask_s, &ipv6_mask.ipv6_dst) != 1) { | |
1923 | return -EINVAL; | |
1924 | } | |
1925 | ||
1926 | ipv6_key.ipv6_label = htonl(ipv6_label); | |
1927 | ipv6_key.ipv6_proto = ipv6_proto; | |
1928 | ipv6_key.ipv6_tclass = ipv6_tclass; | |
1929 | ipv6_key.ipv6_hlimit = ipv6_hlimit; | |
1930 | ipv6_key.ipv6_frag = ipv6_frag; | |
1931 | nl_msg_put_unspec(key, OVS_KEY_ATTR_IPV6, | |
1932 | &ipv6_key, sizeof ipv6_key); | |
1933 | ||
1934 | ipv6_mask.ipv6_label = htonl(ipv6_label_mask); | |
1935 | ipv6_mask.ipv6_proto = ipv6_proto_mask; | |
1936 | ipv6_mask.ipv6_tclass = ipv6_tclass_mask; | |
1937 | ipv6_mask.ipv6_hlimit = ipv6_hlimit_mask; | |
1938 | ipv6_mask.ipv6_frag = ipv6_frag_mask; | |
1939 | nl_msg_put_unspec(mask, OVS_KEY_ATTR_IPV6, | |
1940 | &ipv6_mask, sizeof ipv6_mask); | |
1941 | return n; | |
1942 | } else if (sscanf(s, "ipv6(src="IPV6_SCAN_FMT",dst="IPV6_SCAN_FMT"," | |
60258dcb | 1943 | "label=%i,proto=%i,tclass=%i,hlimit=%i,frag=%7[a-z])%n", |
fa8223b7 | 1944 | ipv6_src_s, ipv6_dst_s, &ipv6_label, |
60258dcb | 1945 | &ipv6_proto, &ipv6_tclass, &ipv6_hlimit, frag, &n) > 0 |
7257b535 BP |
1946 | && n > 0 |
1947 | && ovs_frag_type_from_string(frag, &ipv6_frag)) { | |
df2c07f4 | 1948 | struct ovs_key_ipv6 ipv6_key; |
3bffc610 | 1949 | |
3bffc610 BP |
1950 | if (inet_pton(AF_INET6, ipv6_src_s, &ipv6_key.ipv6_src) != 1 || |
1951 | inet_pton(AF_INET6, ipv6_dst_s, &ipv6_key.ipv6_dst) != 1) { | |
1952 | return -EINVAL; | |
1953 | } | |
fa8223b7 | 1954 | ipv6_key.ipv6_label = htonl(ipv6_label); |
3bffc610 | 1955 | ipv6_key.ipv6_proto = ipv6_proto; |
60258dcb | 1956 | ipv6_key.ipv6_tclass = ipv6_tclass; |
a61680c6 | 1957 | ipv6_key.ipv6_hlimit = ipv6_hlimit; |
7257b535 | 1958 | ipv6_key.ipv6_frag = ipv6_frag; |
df2c07f4 | 1959 | nl_msg_put_unspec(key, OVS_KEY_ATTR_IPV6, |
3bffc610 | 1960 | &ipv6_key, sizeof ipv6_key); |
e6cc0bab AZ |
1961 | |
1962 | if (mask) { | |
1963 | memset(&ipv6_key, 0xff, sizeof ipv6_key); | |
1964 | nl_msg_put_unspec(mask, OVS_KEY_ATTR_IPV6, | |
1965 | &ipv6_key, sizeof ipv6_key); | |
1966 | } | |
3bffc610 BP |
1967 | return n; |
1968 | } | |
1969 | } | |
1970 | ||
1971 | { | |
1972 | int tcp_src; | |
1973 | int tcp_dst; | |
e6cc0bab AZ |
1974 | int tcp_src_mask; |
1975 | int tcp_dst_mask; | |
3bffc610 BP |
1976 | int n = -1; |
1977 | ||
e6cc0bab AZ |
1978 | if (mask && sscanf(s, "tcp(src=%i/%i,dst=%i/%i)%n", |
1979 | &tcp_src, &tcp_src_mask, &tcp_dst, &tcp_dst_mask, &n) > 0 | |
3bffc610 | 1980 | && n > 0) { |
df2c07f4 | 1981 | struct ovs_key_tcp tcp_key; |
e6cc0bab | 1982 | struct ovs_key_tcp tcp_mask; |
3bffc610 BP |
1983 | |
1984 | tcp_key.tcp_src = htons(tcp_src); | |
1985 | tcp_key.tcp_dst = htons(tcp_dst); | |
df2c07f4 | 1986 | nl_msg_put_unspec(key, OVS_KEY_ATTR_TCP, &tcp_key, sizeof tcp_key); |
e6cc0bab AZ |
1987 | |
1988 | tcp_mask.tcp_src = htons(tcp_src_mask); | |
1989 | tcp_mask.tcp_dst = htons(tcp_dst_mask); | |
1990 | nl_msg_put_unspec(mask, OVS_KEY_ATTR_TCP, | |
1991 | &tcp_mask, sizeof tcp_mask); | |
1992 | return n; | |
1993 | } else if (sscanf(s, "tcp(src=%i,dst=%i)%n",&tcp_src, &tcp_dst, &n) > 0 | |
1994 | && n > 0) { | |
1995 | struct ovs_key_tcp tcp_key; | |
1996 | ||
1997 | tcp_key.tcp_src = htons(tcp_src); | |
1998 | tcp_key.tcp_dst = htons(tcp_dst); | |
1999 | nl_msg_put_unspec(key, OVS_KEY_ATTR_TCP, &tcp_key, sizeof tcp_key); | |
2000 | ||
2001 | if (mask) { | |
2002 | memset(&tcp_key, 0xff, sizeof tcp_key); | |
2003 | nl_msg_put_unspec(mask, OVS_KEY_ATTR_TCP, | |
2004 | &tcp_key, sizeof tcp_key); | |
2005 | } | |
3bffc610 BP |
2006 | return n; |
2007 | } | |
2008 | } | |
2009 | ||
2010 | { | |
2011 | int udp_src; | |
2012 | int udp_dst; | |
e6cc0bab AZ |
2013 | int udp_src_mask; |
2014 | int udp_dst_mask; | |
3bffc610 BP |
2015 | int n = -1; |
2016 | ||
e6cc0bab AZ |
2017 | if (mask && sscanf(s, "udp(src=%i/%i,dst=%i/%i)%n", |
2018 | &udp_src, &udp_src_mask, | |
2019 | &udp_dst, &udp_dst_mask, &n) > 0 && n > 0) { | |
2020 | struct ovs_key_udp udp_key; | |
2021 | struct ovs_key_udp udp_mask; | |
2022 | ||
2023 | udp_key.udp_src = htons(udp_src); | |
2024 | udp_key.udp_dst = htons(udp_dst); | |
2025 | nl_msg_put_unspec(key, OVS_KEY_ATTR_UDP, &udp_key, sizeof udp_key); | |
2026 | ||
2027 | udp_mask.udp_src = htons(udp_src_mask); | |
2028 | udp_mask.udp_dst = htons(udp_dst_mask); | |
2029 | nl_msg_put_unspec(mask, OVS_KEY_ATTR_UDP, | |
2030 | &udp_mask, sizeof udp_mask); | |
2031 | return n; | |
2032 | } | |
3bffc610 BP |
2033 | if (sscanf(s, "udp(src=%i,dst=%i)%n", &udp_src, &udp_dst, &n) > 0 |
2034 | && n > 0) { | |
df2c07f4 | 2035 | struct ovs_key_udp udp_key; |
3bffc610 BP |
2036 | |
2037 | udp_key.udp_src = htons(udp_src); | |
2038 | udp_key.udp_dst = htons(udp_dst); | |
df2c07f4 | 2039 | nl_msg_put_unspec(key, OVS_KEY_ATTR_UDP, &udp_key, sizeof udp_key); |
e6cc0bab AZ |
2040 | |
2041 | if (mask) { | |
2042 | memset(&udp_key, 0xff, sizeof udp_key); | |
2043 | nl_msg_put_unspec(mask, OVS_KEY_ATTR_UDP, &udp_key, sizeof udp_key); | |
2044 | } | |
3bffc610 BP |
2045 | return n; |
2046 | } | |
2047 | } | |
2048 | ||
c6bcb685 JS |
2049 | { |
2050 | int sctp_src; | |
2051 | int sctp_dst; | |
2052 | int sctp_src_mask; | |
2053 | int sctp_dst_mask; | |
2054 | int n = -1; | |
2055 | ||
2056 | if (mask && sscanf(s, "sctp(src=%i/%i,dst=%i/%i)%n", | |
2057 | &sctp_src, &sctp_src_mask, | |
2058 | &sctp_dst, &sctp_dst_mask, &n) > 0 && n > 0) { | |
2059 | struct ovs_key_sctp sctp_key; | |
2060 | struct ovs_key_sctp sctp_mask; | |
2061 | ||
2062 | sctp_key.sctp_src = htons(sctp_src); | |
2063 | sctp_key.sctp_dst = htons(sctp_dst); | |
2064 | nl_msg_put_unspec(key, OVS_KEY_ATTR_SCTP, &sctp_key, sizeof sctp_key); | |
2065 | ||
2066 | sctp_mask.sctp_src = htons(sctp_src_mask); | |
2067 | sctp_mask.sctp_dst = htons(sctp_dst_mask); | |
2068 | nl_msg_put_unspec(mask, OVS_KEY_ATTR_SCTP, | |
2069 | &sctp_mask, sizeof sctp_mask); | |
2070 | return n; | |
2071 | } | |
2072 | if (sscanf(s, "sctp(src=%i,dst=%i)%n", &sctp_src, &sctp_dst, &n) > 0 | |
2073 | && n > 0) { | |
2074 | struct ovs_key_sctp sctp_key; | |
2075 | ||
2076 | sctp_key.sctp_src = htons(sctp_src); | |
2077 | sctp_key.sctp_dst = htons(sctp_dst); | |
2078 | nl_msg_put_unspec(key, OVS_KEY_ATTR_SCTP, &sctp_key, sizeof sctp_key); | |
2079 | ||
2080 | if (mask) { | |
2081 | memset(&sctp_key, 0xff, sizeof sctp_key); | |
2082 | nl_msg_put_unspec(mask, OVS_KEY_ATTR_SCTP, &sctp_key, sizeof sctp_key); | |
2083 | } | |
2084 | return n; | |
2085 | } | |
2086 | } | |
2087 | ||
3bffc610 BP |
2088 | { |
2089 | int icmp_type; | |
2090 | int icmp_code; | |
e6cc0bab AZ |
2091 | int icmp_type_mask; |
2092 | int icmp_code_mask; | |
3bffc610 BP |
2093 | int n = -1; |
2094 | ||
e6cc0bab AZ |
2095 | if (mask && sscanf(s, "icmp(type=%i/%i,code=%i/%i)%n", |
2096 | &icmp_type, &icmp_type_mask, | |
2097 | &icmp_code, &icmp_code_mask, &n) > 0 && n > 0) { | |
2098 | struct ovs_key_icmp icmp_key; | |
2099 | struct ovs_key_icmp icmp_mask; | |
2100 | ||
2101 | icmp_key.icmp_type = icmp_type; | |
2102 | icmp_key.icmp_code = icmp_code; | |
2103 | nl_msg_put_unspec(key, OVS_KEY_ATTR_ICMP, | |
2104 | &icmp_key, sizeof icmp_key); | |
2105 | ||
2106 | icmp_mask.icmp_type = icmp_type_mask; | |
2107 | icmp_mask.icmp_code = icmp_code_mask; | |
2108 | nl_msg_put_unspec(mask, OVS_KEY_ATTR_ICMP, | |
2109 | &icmp_mask, sizeof icmp_mask); | |
2110 | return n; | |
2111 | } else if (sscanf(s, "icmp(type=%i,code=%i)%n", | |
3bffc610 BP |
2112 | &icmp_type, &icmp_code, &n) > 0 |
2113 | && n > 0) { | |
df2c07f4 | 2114 | struct ovs_key_icmp icmp_key; |
3bffc610 BP |
2115 | |
2116 | icmp_key.icmp_type = icmp_type; | |
2117 | icmp_key.icmp_code = icmp_code; | |
df2c07f4 | 2118 | nl_msg_put_unspec(key, OVS_KEY_ATTR_ICMP, |
3bffc610 | 2119 | &icmp_key, sizeof icmp_key); |
e6cc0bab AZ |
2120 | if (mask) { |
2121 | memset(&icmp_key, 0xff, sizeof icmp_key); | |
2122 | nl_msg_put_unspec(mask, OVS_KEY_ATTR_ICMP, &icmp_key, | |
2123 | sizeof icmp_key); | |
2124 | } | |
3bffc610 BP |
2125 | return n; |
2126 | } | |
2127 | } | |
2128 | ||
2129 | { | |
df2c07f4 | 2130 | struct ovs_key_icmpv6 icmpv6_key; |
e6cc0bab AZ |
2131 | struct ovs_key_icmpv6 icmpv6_mask; |
2132 | int icmpv6_type_mask; | |
2133 | int icmpv6_code_mask; | |
3bffc610 BP |
2134 | int n = -1; |
2135 | ||
e6cc0bab AZ |
2136 | if (mask && sscanf(s, "icmpv6(type=%"SCNi8"/%i,code=%"SCNi8"/%i)%n", |
2137 | &icmpv6_key.icmpv6_type, &icmpv6_type_mask, | |
2138 | &icmpv6_key.icmpv6_code, &icmpv6_code_mask, &n) > 0 | |
2139 | && n > 0) { | |
2140 | nl_msg_put_unspec(key, OVS_KEY_ATTR_ICMPV6, | |
2141 | &icmpv6_key, sizeof icmpv6_key); | |
2142 | ||
2143 | icmpv6_mask.icmpv6_type = icmpv6_type_mask; | |
2144 | icmpv6_mask.icmpv6_code = icmpv6_code_mask; | |
2145 | nl_msg_put_unspec(mask, OVS_KEY_ATTR_ICMPV6, &icmpv6_mask, | |
2146 | sizeof icmpv6_mask); | |
2147 | return n; | |
2148 | } else if (sscanf(s, "icmpv6(type=%"SCNi8",code=%"SCNi8")%n", | |
3bffc610 BP |
2149 | &icmpv6_key.icmpv6_type, &icmpv6_key.icmpv6_code,&n) > 0 |
2150 | && n > 0) { | |
df2c07f4 | 2151 | nl_msg_put_unspec(key, OVS_KEY_ATTR_ICMPV6, |
3bffc610 | 2152 | &icmpv6_key, sizeof icmpv6_key); |
e6cc0bab AZ |
2153 | |
2154 | if (mask) { | |
2155 | memset(&icmpv6_key, 0xff, sizeof icmpv6_key); | |
2156 | nl_msg_put_unspec(mask, OVS_KEY_ATTR_ICMPV6, &icmpv6_key, | |
2157 | sizeof icmpv6_key); | |
2158 | } | |
3bffc610 BP |
2159 | return n; |
2160 | } | |
2161 | } | |
2162 | ||
2163 | { | |
e6cc0bab AZ |
2164 | ovs_be32 arp_sip, arp_sip_mask; |
2165 | ovs_be32 arp_tip, arp_tip_mask; | |
2166 | int arp_op, arp_op_mask; | |
3bffc610 | 2167 | uint8_t arp_sha[ETH_ADDR_LEN]; |
e6cc0bab | 2168 | uint8_t arp_sha_mask[ETH_ADDR_LEN]; |
3bffc610 | 2169 | uint8_t arp_tha[ETH_ADDR_LEN]; |
e6cc0bab | 2170 | uint8_t arp_tha_mask[ETH_ADDR_LEN]; |
3bffc610 BP |
2171 | int n = -1; |
2172 | ||
e6cc0bab AZ |
2173 | if (mask && sscanf(s, "arp(sip="IP_SCAN_FMT"/"IP_SCAN_FMT"," |
2174 | "tip="IP_SCAN_FMT"/"IP_SCAN_FMT"," | |
2175 | "op=%i/%i,sha="ETH_ADDR_SCAN_FMT"/"ETH_ADDR_SCAN_FMT"," | |
2176 | "tha="ETH_ADDR_SCAN_FMT"/"ETH_ADDR_SCAN_FMT")%n", | |
2177 | IP_SCAN_ARGS(&arp_sip), IP_SCAN_ARGS(&arp_sip_mask), | |
2178 | IP_SCAN_ARGS(&arp_tip), IP_SCAN_ARGS(&arp_tip_mask), | |
2179 | &arp_op, &arp_op_mask, | |
2180 | ETH_ADDR_SCAN_ARGS(arp_sha), | |
2181 | ETH_ADDR_SCAN_ARGS(arp_sha_mask), | |
2182 | ETH_ADDR_SCAN_ARGS(arp_tha), | |
2183 | ETH_ADDR_SCAN_ARGS(arp_tha_mask), &n) > 0 && n > 0) { | |
2184 | struct ovs_key_arp arp_key; | |
2185 | struct ovs_key_arp arp_mask; | |
2186 | ||
2187 | memset(&arp_key, 0, sizeof arp_key); | |
2188 | arp_key.arp_sip = arp_sip; | |
2189 | arp_key.arp_tip = arp_tip; | |
2190 | arp_key.arp_op = htons(arp_op); | |
2191 | memcpy(arp_key.arp_sha, arp_sha, ETH_ADDR_LEN); | |
2192 | memcpy(arp_key.arp_tha, arp_tha, ETH_ADDR_LEN); | |
2193 | nl_msg_put_unspec(key, OVS_KEY_ATTR_ARP, &arp_key, sizeof arp_key); | |
2194 | ||
2195 | arp_mask.arp_sip = arp_sip_mask; | |
2196 | arp_mask.arp_tip = arp_tip_mask; | |
2197 | arp_mask.arp_op = htons(arp_op_mask); | |
2198 | memcpy(arp_mask.arp_sha, arp_sha_mask, ETH_ADDR_LEN); | |
2199 | memcpy(arp_mask.arp_tha, arp_tha_mask, ETH_ADDR_LEN); | |
2200 | nl_msg_put_unspec(mask, OVS_KEY_ATTR_ARP, | |
2201 | &arp_mask, sizeof arp_mask); | |
2202 | return n; | |
2203 | } else if (sscanf(s, "arp(sip="IP_SCAN_FMT",tip="IP_SCAN_FMT"," | |
3bffc610 BP |
2204 | "op=%i,sha="ETH_ADDR_SCAN_FMT",tha="ETH_ADDR_SCAN_FMT")%n", |
2205 | IP_SCAN_ARGS(&arp_sip), | |
2206 | IP_SCAN_ARGS(&arp_tip), | |
2207 | &arp_op, | |
2208 | ETH_ADDR_SCAN_ARGS(arp_sha), | |
2209 | ETH_ADDR_SCAN_ARGS(arp_tha), &n) > 0 && n > 0) { | |
df2c07f4 | 2210 | struct ovs_key_arp arp_key; |
3bffc610 BP |
2211 | |
2212 | memset(&arp_key, 0, sizeof arp_key); | |
2213 | arp_key.arp_sip = arp_sip; | |
2214 | arp_key.arp_tip = arp_tip; | |
2215 | arp_key.arp_op = htons(arp_op); | |
2216 | memcpy(arp_key.arp_sha, arp_sha, ETH_ADDR_LEN); | |
2217 | memcpy(arp_key.arp_tha, arp_tha, ETH_ADDR_LEN); | |
df2c07f4 | 2218 | nl_msg_put_unspec(key, OVS_KEY_ATTR_ARP, &arp_key, sizeof arp_key); |
e6cc0bab AZ |
2219 | |
2220 | if (mask) { | |
2221 | memset(&arp_key, 0xff, sizeof arp_key); | |
2222 | nl_msg_put_unspec(mask, OVS_KEY_ATTR_ARP, | |
2223 | &arp_key, sizeof arp_key); | |
2224 | } | |
3bffc610 BP |
2225 | return n; |
2226 | } | |
2227 | } | |
2228 | ||
2229 | { | |
2230 | char nd_target_s[IPV6_SCAN_LEN + 1]; | |
e6cc0bab | 2231 | char nd_target_mask_s[IPV6_SCAN_LEN + 1]; |
3bffc610 | 2232 | uint8_t nd_sll[ETH_ADDR_LEN]; |
e6cc0bab | 2233 | uint8_t nd_sll_mask[ETH_ADDR_LEN]; |
3bffc610 | 2234 | uint8_t nd_tll[ETH_ADDR_LEN]; |
e6cc0bab | 2235 | uint8_t nd_tll_mask[ETH_ADDR_LEN]; |
3bffc610 BP |
2236 | int n = -1; |
2237 | ||
dc8c5408 AZ |
2238 | nd_target_mask_s[0] = 0; |
2239 | memset(nd_sll_mask, 0xff, sizeof nd_sll_mask); | |
2240 | memset(nd_tll_mask, 0xff, sizeof nd_tll_mask); | |
e6cc0bab AZ |
2241 | |
2242 | if (mask && sscanf(s, "nd(target="IPV6_SCAN_FMT"/"IPV6_SCAN_FMT")%n", | |
2243 | nd_target_s, nd_target_mask_s, &n) > 0 && n > 0) { | |
2244 | put_nd_key(n, nd_target_s, NULL, NULL, key); | |
dc8c5408 | 2245 | put_nd_mask(n, nd_target_mask_s, NULL, NULL, mask); |
e6cc0bab | 2246 | } else if (sscanf(s, "nd(target="IPV6_SCAN_FMT")%n", |
3bffc610 | 2247 | nd_target_s, &n) > 0 && n > 0) { |
e6cc0bab AZ |
2248 | put_nd_key(n, nd_target_s, NULL, NULL, key); |
2249 | if (mask) { | |
dc8c5408 | 2250 | put_nd_mask(n, nd_target_mask_s, NULL, NULL, mask); |
e6cc0bab AZ |
2251 | } |
2252 | } else if (mask && sscanf(s, "nd(target="IPV6_SCAN_FMT"/"IPV6_SCAN_FMT | |
2253 | ",sll="ETH_ADDR_SCAN_FMT"/"ETH_ADDR_SCAN_FMT")%n", | |
2254 | nd_target_s, nd_target_mask_s, | |
2255 | ETH_ADDR_SCAN_ARGS(nd_sll), | |
2256 | ETH_ADDR_SCAN_ARGS(nd_sll_mask), &n) > 0 && n > 0) { | |
2257 | put_nd_key(n, nd_target_s, nd_sll, NULL, key); | |
dc8c5408 | 2258 | put_nd_mask(n, nd_target_mask_s, nd_sll_mask, NULL, mask); |
e6cc0bab | 2259 | } else if (sscanf(s, "nd(target="IPV6_SCAN_FMT",sll="ETH_ADDR_SCAN_FMT")%n", |
3bffc610 BP |
2260 | nd_target_s, ETH_ADDR_SCAN_ARGS(nd_sll), &n) > 0 |
2261 | && n > 0) { | |
e6cc0bab AZ |
2262 | put_nd_key(n, nd_target_s, nd_sll, NULL, key); |
2263 | if (mask) { | |
dc8c5408 | 2264 | put_nd_mask(n, nd_target_mask_s, nd_sll_mask, NULL, mask); |
e6cc0bab AZ |
2265 | } |
2266 | } else if (mask && sscanf(s, "nd(target="IPV6_SCAN_FMT"/"IPV6_SCAN_FMT | |
2267 | ",tll="ETH_ADDR_SCAN_FMT"/"ETH_ADDR_SCAN_FMT")%n", | |
2268 | nd_target_s, nd_target_mask_s, | |
2269 | ETH_ADDR_SCAN_ARGS(nd_tll), | |
2270 | ETH_ADDR_SCAN_ARGS(nd_tll_mask), &n) > 0 && n > 0) { | |
2271 | put_nd_key(n, nd_target_s, NULL, nd_tll, key); | |
dc8c5408 | 2272 | put_nd_mask(n, nd_target_mask_s, NULL, nd_tll_mask, mask); |
e6cc0bab | 2273 | } else if (sscanf(s, "nd(target="IPV6_SCAN_FMT",tll="ETH_ADDR_SCAN_FMT")%n", |
3bffc610 BP |
2274 | nd_target_s, ETH_ADDR_SCAN_ARGS(nd_tll), &n) > 0 |
2275 | && n > 0) { | |
e6cc0bab AZ |
2276 | put_nd_key(n, nd_target_s, NULL, nd_tll, key); |
2277 | if (mask) { | |
dc8c5408 | 2278 | put_nd_mask(n, nd_target_mask_s, NULL, nd_tll_mask, mask); |
e6cc0bab AZ |
2279 | } |
2280 | } else if (mask && sscanf(s, "nd(target="IPV6_SCAN_FMT"/"IPV6_SCAN_FMT | |
2281 | ",sll="ETH_ADDR_SCAN_FMT"/"ETH_ADDR_SCAN_FMT"," | |
2282 | "tll="ETH_ADDR_SCAN_FMT"/"ETH_ADDR_SCAN_FMT")%n", | |
2283 | nd_target_s, nd_target_mask_s, | |
2284 | ETH_ADDR_SCAN_ARGS(nd_sll), ETH_ADDR_SCAN_ARGS(nd_sll_mask), | |
2285 | ETH_ADDR_SCAN_ARGS(nd_tll), ETH_ADDR_SCAN_ARGS(nd_tll_mask), | |
2286 | &n) > 0 | |
2287 | && n > 0) { | |
2288 | put_nd_key(n, nd_target_s, nd_sll, nd_tll, key); | |
dc8c5408 | 2289 | put_nd_mask(n, nd_target_mask_s, nd_sll_mask, nd_tll_mask, mask); |
e6cc0bab | 2290 | } else if (sscanf(s, "nd(target="IPV6_SCAN_FMT",sll="ETH_ADDR_SCAN_FMT"," |
3bffc610 BP |
2291 | "tll="ETH_ADDR_SCAN_FMT")%n", |
2292 | nd_target_s, ETH_ADDR_SCAN_ARGS(nd_sll), | |
2293 | ETH_ADDR_SCAN_ARGS(nd_tll), &n) > 0 | |
2294 | && n > 0) { | |
e6cc0bab AZ |
2295 | put_nd_key(n, nd_target_s, nd_sll, nd_tll, key); |
2296 | if (mask) { | |
dc8c5408 AZ |
2297 | put_nd_mask(n, nd_target_mask_s, |
2298 | nd_sll_mask, nd_tll_mask, mask); | |
e6cc0bab | 2299 | } |
3bffc610 | 2300 | } |
e6cc0bab AZ |
2301 | |
2302 | if (n != -1) | |
2303 | return n; | |
2304 | ||
3bffc610 BP |
2305 | } |
2306 | ||
fea393b1 BP |
2307 | if (!strncmp(s, "encap(", 6)) { |
2308 | const char *start = s; | |
e6cc0bab | 2309 | size_t encap, encap_mask = 0; |
fea393b1 BP |
2310 | |
2311 | encap = nl_msg_start_nested(key, OVS_KEY_ATTR_ENCAP); | |
e6cc0bab AZ |
2312 | if (mask) { |
2313 | encap_mask = nl_msg_start_nested(mask, OVS_KEY_ATTR_ENCAP); | |
2314 | } | |
fea393b1 BP |
2315 | |
2316 | s += 6; | |
2317 | for (;;) { | |
2318 | int retval; | |
2319 | ||
2320 | s += strspn(s, ", \t\r\n"); | |
2321 | if (!*s) { | |
2322 | return -EINVAL; | |
2323 | } else if (*s == ')') { | |
2324 | break; | |
2325 | } | |
2326 | ||
e6cc0bab | 2327 | retval = parse_odp_key_mask_attr(s, port_names, key, mask); |
fea393b1 BP |
2328 | if (retval < 0) { |
2329 | return retval; | |
2330 | } | |
2331 | s += retval; | |
2332 | } | |
2333 | s++; | |
2334 | ||
2335 | nl_msg_end_nested(key, encap); | |
e6cc0bab AZ |
2336 | if (mask) { |
2337 | nl_msg_end_nested(mask, encap_mask); | |
2338 | } | |
fea393b1 BP |
2339 | |
2340 | return s - start; | |
2341 | } | |
2342 | ||
3bffc610 BP |
2343 | return -EINVAL; |
2344 | } | |
2345 | ||
df2c07f4 JP |
2346 | /* Parses the string representation of a datapath flow key, in the |
2347 | * format output by odp_flow_key_format(). Returns 0 if successful, | |
2348 | * otherwise a positive errno value. On success, the flow key is | |
2349 | * appended to 'key' as a series of Netlink attributes. On failure, no | |
2350 | * data is appended to 'key'. Either way, 'key''s data might be | |
2351 | * reallocated. | |
3bffc610 | 2352 | * |
44bac24b BP |
2353 | * If 'port_names' is nonnull, it points to an simap that maps from a port name |
2354 | * to a port number. (Port names may be used instead of port numbers in | |
2355 | * in_port.) | |
b2a60db8 | 2356 | * |
3bffc610 BP |
2357 | * On success, the attributes appended to 'key' are individually syntactically |
2358 | * valid, but they may not be valid as a sequence. 'key' might, for example, | |
34118cae | 2359 | * have duplicated keys. odp_flow_key_to_flow() will detect those errors. */ |
3bffc610 | 2360 | int |
e6cc0bab AZ |
2361 | odp_flow_from_string(const char *s, const struct simap *port_names, |
2362 | struct ofpbuf *key, struct ofpbuf *mask) | |
3bffc610 BP |
2363 | { |
2364 | const size_t old_size = key->size; | |
2365 | for (;;) { | |
2366 | int retval; | |
2367 | ||
7202cbe5 | 2368 | s += strspn(s, delimiters); |
3bffc610 BP |
2369 | if (!*s) { |
2370 | return 0; | |
2371 | } | |
2372 | ||
e6cc0bab | 2373 | retval = parse_odp_key_mask_attr(s, port_names, key, mask); |
3bffc610 BP |
2374 | if (retval < 0) { |
2375 | key->size = old_size; | |
2376 | return -retval; | |
2377 | } | |
2378 | s += retval; | |
2379 | } | |
2380 | ||
2381 | return 0; | |
2382 | } | |
2383 | ||
7257b535 | 2384 | static uint8_t |
c4f2731d | 2385 | ovs_to_odp_frag(uint8_t nw_frag) |
7257b535 | 2386 | { |
c4f2731d PS |
2387 | return (nw_frag == 0 ? OVS_FRAG_TYPE_NONE |
2388 | : nw_frag == FLOW_NW_FRAG_ANY ? OVS_FRAG_TYPE_FIRST | |
2389 | : OVS_FRAG_TYPE_LATER); | |
7257b535 BP |
2390 | } |
2391 | ||
431495b1 AZ |
2392 | static uint8_t |
2393 | ovs_to_odp_frag_mask(uint8_t nw_frag_mask) | |
2394 | { | |
2395 | uint8_t frag_mask = ~(OVS_FRAG_TYPE_FIRST | OVS_FRAG_TYPE_LATER); | |
2396 | ||
2397 | frag_mask |= (nw_frag_mask & FLOW_NW_FRAG_ANY) ? OVS_FRAG_TYPE_FIRST : 0; | |
2398 | frag_mask |= (nw_frag_mask & FLOW_NW_FRAG_LATER) ? OVS_FRAG_TYPE_LATER : 0; | |
2399 | ||
2400 | return frag_mask; | |
2401 | } | |
2402 | ||
661cbcd5 JP |
2403 | static void |
2404 | odp_flow_key_from_flow__(struct ofpbuf *buf, const struct flow *data, | |
2405 | const struct flow *flow, odp_port_t odp_in_port) | |
14608a15 | 2406 | { |
661cbcd5 | 2407 | bool is_mask; |
df2c07f4 | 2408 | struct ovs_key_ethernet *eth_key; |
fea393b1 | 2409 | size_t encap; |
36956a7d | 2410 | |
661cbcd5 JP |
2411 | /* We assume that if 'data' and 'flow' are not the same, we should |
2412 | * treat 'data' as a mask. */ | |
2413 | is_mask = (data != flow); | |
2414 | ||
54bb0348 | 2415 | nl_msg_put_u32(buf, OVS_KEY_ATTR_PRIORITY, data->skb_priority); |
abff858b | 2416 | |
01fcdfc6 | 2417 | if (flow->tunnel.ip_dst || is_mask) { |
661cbcd5 | 2418 | tun_key_to_attr(buf, &data->tunnel); |
36956a7d BP |
2419 | } |
2420 | ||
1362e248 | 2421 | nl_msg_put_u32(buf, OVS_KEY_ATTR_SKB_MARK, data->pkt_mark); |
72e8bf28 | 2422 | |
661cbcd5 JP |
2423 | /* Add an ingress port attribute if this is a mask or 'odp_in_port' |
2424 | * is not the magical value "ODPP_NONE". */ | |
2425 | if (is_mask || odp_in_port != ODPP_NONE) { | |
4e022ec0 | 2426 | nl_msg_put_odp_port(buf, OVS_KEY_ATTR_IN_PORT, odp_in_port); |
18886b60 | 2427 | } |
36956a7d | 2428 | |
df2c07f4 | 2429 | eth_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_ETHERNET, |
36956a7d | 2430 | sizeof *eth_key); |
661cbcd5 JP |
2431 | memcpy(eth_key->eth_src, data->dl_src, ETH_ADDR_LEN); |
2432 | memcpy(eth_key->eth_dst, data->dl_dst, ETH_ADDR_LEN); | |
36956a7d | 2433 | |
8ddc056d | 2434 | if (flow->vlan_tci != htons(0) || flow->dl_type == htons(ETH_TYPE_VLAN)) { |
bed7d6a1 | 2435 | if (is_mask) { |
b8266395 | 2436 | nl_msg_put_be16(buf, OVS_KEY_ATTR_ETHERTYPE, OVS_BE16_MAX); |
bed7d6a1 JP |
2437 | } else { |
2438 | nl_msg_put_be16(buf, OVS_KEY_ATTR_ETHERTYPE, htons(ETH_TYPE_VLAN)); | |
2439 | } | |
661cbcd5 | 2440 | nl_msg_put_be16(buf, OVS_KEY_ATTR_VLAN, data->vlan_tci); |
fea393b1 | 2441 | encap = nl_msg_start_nested(buf, OVS_KEY_ATTR_ENCAP); |
8ddc056d BP |
2442 | if (flow->vlan_tci == htons(0)) { |
2443 | goto unencap; | |
2444 | } | |
fea393b1 BP |
2445 | } else { |
2446 | encap = 0; | |
36956a7d BP |
2447 | } |
2448 | ||
2449 | if (ntohs(flow->dl_type) < ETH_TYPE_MIN) { | |
661cbcd5 JP |
2450 | /* For backwards compatibility with kernels that don't support |
2451 | * wildcarding, the following convention is used to encode the | |
2452 | * OVS_KEY_ATTR_ETHERTYPE for key and mask: | |
2453 | * | |
2454 | * key mask matches | |
2455 | * -------- -------- ------- | |
2456 | * >0x5ff 0xffff Specified Ethernet II Ethertype. | |
2457 | * >0x5ff 0 Any Ethernet II or non-Ethernet II frame. | |
2458 | * <none> 0xffff Any non-Ethernet II frame (except valid | |
2459 | * 802.3 SNAP packet with valid eth_type). | |
2460 | */ | |
2461 | if (is_mask) { | |
b8266395 | 2462 | nl_msg_put_be16(buf, OVS_KEY_ATTR_ETHERTYPE, OVS_BE16_MAX); |
661cbcd5 | 2463 | } |
fea393b1 | 2464 | goto unencap; |
36956a7d BP |
2465 | } |
2466 | ||
661cbcd5 | 2467 | nl_msg_put_be16(buf, OVS_KEY_ATTR_ETHERTYPE, data->dl_type); |
36956a7d BP |
2468 | |
2469 | if (flow->dl_type == htons(ETH_TYPE_IP)) { | |
df2c07f4 | 2470 | struct ovs_key_ipv4 *ipv4_key; |
36956a7d | 2471 | |
df2c07f4 | 2472 | ipv4_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_IPV4, |
36956a7d | 2473 | sizeof *ipv4_key); |
661cbcd5 JP |
2474 | ipv4_key->ipv4_src = data->nw_src; |
2475 | ipv4_key->ipv4_dst = data->nw_dst; | |
2476 | ipv4_key->ipv4_proto = data->nw_proto; | |
2477 | ipv4_key->ipv4_tos = data->nw_tos; | |
2478 | ipv4_key->ipv4_ttl = data->nw_ttl; | |
431495b1 AZ |
2479 | ipv4_key->ipv4_frag = is_mask ? ovs_to_odp_frag_mask(data->nw_frag) |
2480 | : ovs_to_odp_frag(data->nw_frag); | |
d31f1109 | 2481 | } else if (flow->dl_type == htons(ETH_TYPE_IPV6)) { |
df2c07f4 | 2482 | struct ovs_key_ipv6 *ipv6_key; |
d31f1109 | 2483 | |
df2c07f4 | 2484 | ipv6_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_IPV6, |
d31f1109 | 2485 | sizeof *ipv6_key); |
661cbcd5 JP |
2486 | memcpy(ipv6_key->ipv6_src, &data->ipv6_src, sizeof ipv6_key->ipv6_src); |
2487 | memcpy(ipv6_key->ipv6_dst, &data->ipv6_dst, sizeof ipv6_key->ipv6_dst); | |
2488 | ipv6_key->ipv6_label = data->ipv6_label; | |
2489 | ipv6_key->ipv6_proto = data->nw_proto; | |
2490 | ipv6_key->ipv6_tclass = data->nw_tos; | |
2491 | ipv6_key->ipv6_hlimit = data->nw_ttl; | |
431495b1 AZ |
2492 | ipv6_key->ipv6_frag = is_mask ? ovs_to_odp_frag_mask(data->nw_frag) |
2493 | : ovs_to_odp_frag(data->nw_frag); | |
8087f5ff MM |
2494 | } else if (flow->dl_type == htons(ETH_TYPE_ARP) || |
2495 | flow->dl_type == htons(ETH_TYPE_RARP)) { | |
df2c07f4 | 2496 | struct ovs_key_arp *arp_key; |
d31f1109 | 2497 | |
df2c07f4 | 2498 | arp_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_ARP, |
d31f1109 | 2499 | sizeof *arp_key); |
535d6987 | 2500 | memset(arp_key, 0, sizeof *arp_key); |
661cbcd5 JP |
2501 | arp_key->arp_sip = data->nw_src; |
2502 | arp_key->arp_tip = data->nw_dst; | |
2503 | arp_key->arp_op = htons(data->nw_proto); | |
2504 | memcpy(arp_key->arp_sha, data->arp_sha, ETH_ADDR_LEN); | |
2505 | memcpy(arp_key->arp_tha, data->arp_tha, ETH_ADDR_LEN); | |
d31f1109 | 2506 | } |
b53055f4 | 2507 | |
b02475c5 SH |
2508 | if (flow->mpls_depth) { |
2509 | struct ovs_key_mpls *mpls_key; | |
2510 | ||
2511 | mpls_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_MPLS, | |
2512 | sizeof *mpls_key); | |
661cbcd5 | 2513 | mpls_key->mpls_lse = data->mpls_lse; |
b02475c5 SH |
2514 | } |
2515 | ||
48cecbdc | 2516 | if (is_ip_any(flow) && !(flow->nw_frag & FLOW_NW_FRAG_LATER)) { |
6767a2cc | 2517 | if (flow->nw_proto == IPPROTO_TCP) { |
df2c07f4 | 2518 | struct ovs_key_tcp *tcp_key; |
36956a7d | 2519 | |
df2c07f4 | 2520 | tcp_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_TCP, |
36956a7d | 2521 | sizeof *tcp_key); |
661cbcd5 JP |
2522 | tcp_key->tcp_src = data->tp_src; |
2523 | tcp_key->tcp_dst = data->tp_dst; | |
6767a2cc | 2524 | } else if (flow->nw_proto == IPPROTO_UDP) { |
df2c07f4 | 2525 | struct ovs_key_udp *udp_key; |
36956a7d | 2526 | |
df2c07f4 | 2527 | udp_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_UDP, |
36956a7d | 2528 | sizeof *udp_key); |
661cbcd5 JP |
2529 | udp_key->udp_src = data->tp_src; |
2530 | udp_key->udp_dst = data->tp_dst; | |
c6bcb685 JS |
2531 | } else if (flow->nw_proto == IPPROTO_SCTP) { |
2532 | struct ovs_key_sctp *sctp_key; | |
2533 | ||
2534 | sctp_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_SCTP, | |
2535 | sizeof *sctp_key); | |
2536 | sctp_key->sctp_src = data->tp_src; | |
2537 | sctp_key->sctp_dst = data->tp_dst; | |
d31f1109 JP |
2538 | } else if (flow->dl_type == htons(ETH_TYPE_IP) |
2539 | && flow->nw_proto == IPPROTO_ICMP) { | |
df2c07f4 | 2540 | struct ovs_key_icmp *icmp_key; |
36956a7d | 2541 | |
df2c07f4 | 2542 | icmp_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_ICMP, |
36956a7d | 2543 | sizeof *icmp_key); |
661cbcd5 JP |
2544 | icmp_key->icmp_type = ntohs(data->tp_src); |
2545 | icmp_key->icmp_code = ntohs(data->tp_dst); | |
d31f1109 JP |
2546 | } else if (flow->dl_type == htons(ETH_TYPE_IPV6) |
2547 | && flow->nw_proto == IPPROTO_ICMPV6) { | |
df2c07f4 | 2548 | struct ovs_key_icmpv6 *icmpv6_key; |
d31f1109 | 2549 | |
df2c07f4 | 2550 | icmpv6_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_ICMPV6, |
d31f1109 | 2551 | sizeof *icmpv6_key); |
661cbcd5 JP |
2552 | icmpv6_key->icmpv6_type = ntohs(data->tp_src); |
2553 | icmpv6_key->icmpv6_code = ntohs(data->tp_dst); | |
685a51a5 | 2554 | |
6f8dbd27 GY |
2555 | if (flow->tp_dst == htons(0) && |
2556 | (flow->tp_src == htons(ND_NEIGHBOR_SOLICIT) || | |
2557 | flow->tp_src == htons(ND_NEIGHBOR_ADVERT)) && | |
2558 | (!is_mask || (data->tp_src == htons(0xffff) && | |
2559 | data->tp_dst == htons(0xffff)))) { | |
2560 | ||
df2c07f4 | 2561 | struct ovs_key_nd *nd_key; |
685a51a5 | 2562 | |
df2c07f4 | 2563 | nd_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_ND, |
685a51a5 | 2564 | sizeof *nd_key); |
661cbcd5 | 2565 | memcpy(nd_key->nd_target, &data->nd_target, |
685a51a5 | 2566 | sizeof nd_key->nd_target); |
661cbcd5 JP |
2567 | memcpy(nd_key->nd_sll, data->arp_sha, ETH_ADDR_LEN); |
2568 | memcpy(nd_key->nd_tll, data->arp_tha, ETH_ADDR_LEN); | |
685a51a5 | 2569 | } |
36956a7d | 2570 | } |
36956a7d | 2571 | } |
fea393b1 BP |
2572 | |
2573 | unencap: | |
2574 | if (encap) { | |
2575 | nl_msg_end_nested(buf, encap); | |
2576 | } | |
36956a7d | 2577 | } |
661cbcd5 JP |
2578 | |
2579 | /* Appends a representation of 'flow' as OVS_KEY_ATTR_* attributes to 'buf'. | |
2580 | * 'flow->in_port' is ignored (since it is likely to be an OpenFlow port | |
2581 | * number rather than a datapath port number). Instead, if 'odp_in_port' | |
2582 | * is anything other than ODPP_NONE, it is included in 'buf' as the input | |
2583 | * port. | |
2584 | * | |
2585 | * 'buf' must have at least ODPUTIL_FLOW_KEY_BYTES bytes of space, or be | |
2586 | * capable of being expanded to allow for that much space. */ | |
2587 | void | |
2588 | odp_flow_key_from_flow(struct ofpbuf *buf, const struct flow *flow, | |
2589 | odp_port_t odp_in_port) | |
2590 | { | |
2591 | odp_flow_key_from_flow__(buf, flow, flow, odp_in_port); | |
2592 | } | |
2593 | ||
2594 | /* Appends a representation of 'mask' as OVS_KEY_ATTR_* attributes to | |
2595 | * 'buf'. 'flow' is used as a template to determine how to interpret | |
2596 | * 'mask'. For example, the 'dl_type' of 'mask' describes the mask, but | |
2597 | * it doesn't indicate whether the other fields should be interpreted as | |
2598 | * ARP, IPv4, IPv6, etc. | |
2599 | * | |
2600 | * 'buf' must have at least ODPUTIL_FLOW_KEY_BYTES bytes of space, or be | |
2601 | * capable of being expanded to allow for that much space. */ | |
2602 | void | |
2603 | odp_flow_key_from_mask(struct ofpbuf *buf, const struct flow *mask, | |
2604 | const struct flow *flow, uint32_t odp_in_port_mask) | |
2605 | { | |
2606 | odp_flow_key_from_flow__(buf, mask, flow, u32_to_odp(odp_in_port_mask)); | |
2607 | } | |
36956a7d | 2608 | |
b0f7b9b5 BP |
2609 | uint32_t |
2610 | odp_flow_key_hash(const struct nlattr *key, size_t key_len) | |
2611 | { | |
2612 | BUILD_ASSERT_DECL(!(NLA_ALIGNTO % sizeof(uint32_t))); | |
db5a1019 AW |
2613 | return hash_words(ALIGNED_CAST(const uint32_t *, key), |
2614 | key_len / sizeof(uint32_t), 0); | |
b0f7b9b5 BP |
2615 | } |
2616 | ||
34118cae BP |
2617 | static void |
2618 | log_odp_key_attributes(struct vlog_rate_limit *rl, const char *title, | |
b0f7b9b5 | 2619 | uint64_t attrs, int out_of_range_attr, |
34118cae BP |
2620 | const struct nlattr *key, size_t key_len) |
2621 | { | |
2622 | struct ds s; | |
2623 | int i; | |
2624 | ||
b0f7b9b5 | 2625 | if (VLOG_DROP_DBG(rl)) { |
34118cae BP |
2626 | return; |
2627 | } | |
2628 | ||
2629 | ds_init(&s); | |
b0f7b9b5 BP |
2630 | for (i = 0; i < 64; i++) { |
2631 | if (attrs & (UINT64_C(1) << i)) { | |
e6603631 BP |
2632 | char namebuf[OVS_KEY_ATTR_BUFSIZE]; |
2633 | ||
2634 | ds_put_format(&s, " %s", | |
2635 | ovs_key_attr_to_string(i, namebuf, sizeof namebuf)); | |
34118cae BP |
2636 | } |
2637 | } | |
b0f7b9b5 BP |
2638 | if (out_of_range_attr) { |
2639 | ds_put_format(&s, " %d (and possibly others)", out_of_range_attr); | |
2640 | } | |
34118cae BP |
2641 | |
2642 | ds_put_cstr(&s, ": "); | |
2643 | odp_flow_key_format(key, key_len, &s); | |
2644 | ||
b0f7b9b5 | 2645 | VLOG_DBG("%s:%s", title, ds_cstr(&s)); |
34118cae BP |
2646 | ds_destroy(&s); |
2647 | } | |
2648 | ||
7257b535 | 2649 | static bool |
9e44d715 | 2650 | odp_to_ovs_frag(uint8_t odp_frag, struct flow *flow) |
7257b535 | 2651 | { |
34118cae BP |
2652 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); |
2653 | ||
9e44d715 | 2654 | if (odp_frag > OVS_FRAG_TYPE_LATER) { |
b0f7b9b5 | 2655 | VLOG_ERR_RL(&rl, "invalid frag %"PRIu8" in flow key", odp_frag); |
7257b535 BP |
2656 | return false; |
2657 | } | |
2658 | ||
7257b535 | 2659 | if (odp_frag != OVS_FRAG_TYPE_NONE) { |
eadef313 | 2660 | flow->nw_frag |= FLOW_NW_FRAG_ANY; |
7257b535 | 2661 | if (odp_frag == OVS_FRAG_TYPE_LATER) { |
eadef313 | 2662 | flow->nw_frag |= FLOW_NW_FRAG_LATER; |
7257b535 BP |
2663 | } |
2664 | } | |
2665 | return true; | |
2666 | } | |
2667 | ||
b0f7b9b5 | 2668 | static bool |
fea393b1 | 2669 | parse_flow_nlattrs(const struct nlattr *key, size_t key_len, |
b0f7b9b5 BP |
2670 | const struct nlattr *attrs[], uint64_t *present_attrsp, |
2671 | int *out_of_range_attrp) | |
36956a7d | 2672 | { |
b0f7b9b5 | 2673 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(10, 10); |
36956a7d | 2674 | const struct nlattr *nla; |
34118cae | 2675 | uint64_t present_attrs; |
36956a7d BP |
2676 | size_t left; |
2677 | ||
2aef1214 | 2678 | BUILD_ASSERT(OVS_KEY_ATTR_MAX < CHAR_BIT * sizeof present_attrs); |
34118cae | 2679 | present_attrs = 0; |
b0f7b9b5 | 2680 | *out_of_range_attrp = 0; |
36956a7d | 2681 | NL_ATTR_FOR_EACH (nla, left, key, key_len) { |
34118cae BP |
2682 | uint16_t type = nl_attr_type(nla); |
2683 | size_t len = nl_attr_get_size(nla); | |
2684 | int expected_len = odp_flow_key_attr_len(type); | |
2685 | ||
b0f7b9b5 | 2686 | if (len != expected_len && expected_len >= 0) { |
e6603631 BP |
2687 | char namebuf[OVS_KEY_ATTR_BUFSIZE]; |
2688 | ||
b0f7b9b5 | 2689 | VLOG_ERR_RL(&rl, "attribute %s has length %zu but should have " |
e6603631 BP |
2690 | "length %d", ovs_key_attr_to_string(type, namebuf, |
2691 | sizeof namebuf), | |
b0f7b9b5 BP |
2692 | len, expected_len); |
2693 | return false; | |
34118cae BP |
2694 | } |
2695 | ||
2aef1214 | 2696 | if (type > OVS_KEY_ATTR_MAX) { |
b0f7b9b5 BP |
2697 | *out_of_range_attrp = type; |
2698 | } else { | |
2699 | if (present_attrs & (UINT64_C(1) << type)) { | |
e6603631 BP |
2700 | char namebuf[OVS_KEY_ATTR_BUFSIZE]; |
2701 | ||
b0f7b9b5 | 2702 | VLOG_ERR_RL(&rl, "duplicate %s attribute in flow key", |
e6603631 BP |
2703 | ovs_key_attr_to_string(type, |
2704 | namebuf, sizeof namebuf)); | |
b0f7b9b5 BP |
2705 | return false; |
2706 | } | |
2707 | ||
2708 | present_attrs |= UINT64_C(1) << type; | |
2709 | attrs[type] = nla; | |
2710 | } | |
34118cae BP |
2711 | } |
2712 | if (left) { | |
2713 | VLOG_ERR_RL(&rl, "trailing garbage in flow key"); | |
b0f7b9b5 | 2714 | return false; |
34118cae BP |
2715 | } |
2716 | ||
fea393b1 | 2717 | *present_attrsp = present_attrs; |
b0f7b9b5 | 2718 | return true; |
fea393b1 BP |
2719 | } |
2720 | ||
b0f7b9b5 BP |
2721 | static enum odp_key_fitness |
2722 | check_expectations(uint64_t present_attrs, int out_of_range_attr, | |
2723 | uint64_t expected_attrs, | |
fea393b1 BP |
2724 | const struct nlattr *key, size_t key_len) |
2725 | { | |
2726 | uint64_t missing_attrs; | |
2727 | uint64_t extra_attrs; | |
2728 | ||
2729 | missing_attrs = expected_attrs & ~present_attrs; | |
2730 | if (missing_attrs) { | |
b0f7b9b5 BP |
2731 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(10, 10); |
2732 | log_odp_key_attributes(&rl, "expected but not present", | |
2733 | missing_attrs, 0, key, key_len); | |
2734 | return ODP_FIT_TOO_LITTLE; | |
fea393b1 BP |
2735 | } |
2736 | ||
2737 | extra_attrs = present_attrs & ~expected_attrs; | |
b0f7b9b5 BP |
2738 | if (extra_attrs || out_of_range_attr) { |
2739 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(10, 10); | |
2740 | log_odp_key_attributes(&rl, "present but not expected", | |
2741 | extra_attrs, out_of_range_attr, key, key_len); | |
2742 | return ODP_FIT_TOO_MUCH; | |
fea393b1 BP |
2743 | } |
2744 | ||
b0f7b9b5 | 2745 | return ODP_FIT_PERFECT; |
fea393b1 BP |
2746 | } |
2747 | ||
b0f7b9b5 BP |
2748 | static bool |
2749 | parse_ethertype(const struct nlattr *attrs[OVS_KEY_ATTR_MAX + 1], | |
2750 | uint64_t present_attrs, uint64_t *expected_attrs, | |
4a221615 | 2751 | struct flow *flow, const struct flow *src_flow) |
fea393b1 BP |
2752 | { |
2753 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); | |
4a221615 | 2754 | bool is_mask = flow != src_flow; |
36956a7d | 2755 | |
fea393b1 | 2756 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ETHERTYPE)) { |
34118cae | 2757 | flow->dl_type = nl_attr_get_be16(attrs[OVS_KEY_ATTR_ETHERTYPE]); |
4a221615 | 2758 | if (!is_mask && ntohs(flow->dl_type) < ETH_TYPE_MIN) { |
34118cae BP |
2759 | VLOG_ERR_RL(&rl, "invalid Ethertype %"PRIu16" in flow key", |
2760 | ntohs(flow->dl_type)); | |
b0f7b9b5 | 2761 | return false; |
34118cae | 2762 | } |
4a221615 GY |
2763 | if (is_mask && ntohs(src_flow->dl_type) < ETH_TYPE_MIN && |
2764 | flow->dl_type != htons(0xffff)) { | |
2765 | return false; | |
2766 | } | |
b0f7b9b5 | 2767 | *expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ETHERTYPE; |
34118cae | 2768 | } else { |
4a221615 GY |
2769 | if (!is_mask) { |
2770 | flow->dl_type = htons(FLOW_DL_TYPE_NONE); | |
2771 | } else if (ntohs(src_flow->dl_type) < ETH_TYPE_MIN) { | |
2772 | /* See comments in odp_flow_key_from_flow__(). */ | |
2773 | VLOG_ERR_RL(&rl, "mask expected for non-Ethernet II frame"); | |
2774 | return false; | |
2775 | } | |
34118cae | 2776 | } |
b0f7b9b5 BP |
2777 | return true; |
2778 | } | |
2779 | ||
2780 | static enum odp_key_fitness | |
b02475c5 SH |
2781 | parse_l2_5_onward(const struct nlattr *attrs[OVS_KEY_ATTR_MAX + 1], |
2782 | uint64_t present_attrs, int out_of_range_attr, | |
2783 | uint64_t expected_attrs, struct flow *flow, | |
4a221615 GY |
2784 | const struct nlattr *key, size_t key_len, |
2785 | const struct flow *src_flow) | |
b0f7b9b5 BP |
2786 | { |
2787 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); | |
4a221615 GY |
2788 | bool is_mask = src_flow != flow; |
2789 | const void *check_start = NULL; | |
2790 | size_t check_len = 0; | |
2791 | enum ovs_key_attr expected_bit = 0xff; | |
2792 | ||
2793 | if (eth_type_mpls(src_flow->dl_type)) { | |
2794 | if (!is_mask) { | |
2795 | expected_attrs |= (UINT64_C(1) << OVS_KEY_ATTR_MPLS); | |
2796 | ||
2797 | if (!(present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_MPLS))) { | |
2798 | return ODP_FIT_TOO_LITTLE; | |
2799 | } | |
2800 | flow->mpls_lse = nl_attr_get_be32(attrs[OVS_KEY_ATTR_MPLS]); | |
2801 | flow->mpls_depth++; | |
2802 | } else if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_MPLS)) { | |
2803 | flow->mpls_lse = nl_attr_get_be32(attrs[OVS_KEY_ATTR_MPLS]); | |
2804 | ||
2805 | if (flow->mpls_lse != 0 && flow->dl_type != htons(0xffff)) { | |
2806 | return ODP_FIT_ERROR; | |
2807 | } | |
2808 | expected_attrs |= (UINT64_C(1) << OVS_KEY_ATTR_MPLS); | |
2809 | if (flow->mpls_lse) { | |
2810 | /* XXX Is this needed? */ | |
2811 | flow->mpls_depth = 0xffff; | |
2812 | } | |
2813 | } | |
2814 | goto done; | |
2815 | } else if (src_flow->dl_type == htons(ETH_TYPE_IP)) { | |
2816 | if (!is_mask) { | |
2817 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_IPV4; | |
b02475c5 | 2818 | } |
fea393b1 | 2819 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_IPV4)) { |
34118cae | 2820 | const struct ovs_key_ipv4 *ipv4_key; |
36956a7d | 2821 | |
34118cae | 2822 | ipv4_key = nl_attr_get(attrs[OVS_KEY_ATTR_IPV4]); |
36956a7d BP |
2823 | flow->nw_src = ipv4_key->ipv4_src; |
2824 | flow->nw_dst = ipv4_key->ipv4_dst; | |
2825 | flow->nw_proto = ipv4_key->ipv4_proto; | |
eadef313 | 2826 | flow->nw_tos = ipv4_key->ipv4_tos; |
a61680c6 | 2827 | flow->nw_ttl = ipv4_key->ipv4_ttl; |
4a221615 GY |
2828 | if (is_mask) { |
2829 | flow->nw_frag = ipv4_key->ipv4_frag; | |
2830 | check_start = ipv4_key; | |
2831 | check_len = sizeof *ipv4_key; | |
2832 | expected_bit = OVS_KEY_ATTR_IPV4; | |
2833 | } else if (!odp_to_ovs_frag(ipv4_key->ipv4_frag, flow)) { | |
b0f7b9b5 | 2834 | return ODP_FIT_ERROR; |
36956a7d | 2835 | } |
34118cae | 2836 | } |
4a221615 GY |
2837 | } else if (src_flow->dl_type == htons(ETH_TYPE_IPV6)) { |
2838 | if (!is_mask) { | |
2839 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_IPV6; | |
2840 | } | |
fea393b1 | 2841 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_IPV6)) { |
34118cae | 2842 | const struct ovs_key_ipv6 *ipv6_key; |
36956a7d | 2843 | |
34118cae | 2844 | ipv6_key = nl_attr_get(attrs[OVS_KEY_ATTR_IPV6]); |
d31f1109 JP |
2845 | memcpy(&flow->ipv6_src, ipv6_key->ipv6_src, sizeof flow->ipv6_src); |
2846 | memcpy(&flow->ipv6_dst, ipv6_key->ipv6_dst, sizeof flow->ipv6_dst); | |
fa8223b7 | 2847 | flow->ipv6_label = ipv6_key->ipv6_label; |
d31f1109 | 2848 | flow->nw_proto = ipv6_key->ipv6_proto; |
eadef313 | 2849 | flow->nw_tos = ipv6_key->ipv6_tclass; |
a61680c6 | 2850 | flow->nw_ttl = ipv6_key->ipv6_hlimit; |
4a221615 GY |
2851 | if (is_mask) { |
2852 | flow->nw_frag = ipv6_key->ipv6_frag; | |
2853 | check_start = ipv6_key; | |
2854 | check_len = sizeof *ipv6_key; | |
2855 | expected_bit = OVS_KEY_ATTR_IPV6; | |
2856 | } else if (!odp_to_ovs_frag(ipv6_key->ipv6_frag, flow)) { | |
b0f7b9b5 | 2857 | return ODP_FIT_ERROR; |
d31f1109 | 2858 | } |
34118cae | 2859 | } |
4a221615 GY |
2860 | } else if (src_flow->dl_type == htons(ETH_TYPE_ARP) || |
2861 | src_flow->dl_type == htons(ETH_TYPE_RARP)) { | |
2862 | if (!is_mask) { | |
2863 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ARP; | |
2864 | } | |
fea393b1 | 2865 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ARP)) { |
34118cae | 2866 | const struct ovs_key_arp *arp_key; |
d31f1109 | 2867 | |
34118cae | 2868 | arp_key = nl_attr_get(attrs[OVS_KEY_ATTR_ARP]); |
36956a7d BP |
2869 | flow->nw_src = arp_key->arp_sip; |
2870 | flow->nw_dst = arp_key->arp_tip; | |
4a221615 | 2871 | if (!is_mask && (arp_key->arp_op & htons(0xff00))) { |
34118cae BP |
2872 | VLOG_ERR_RL(&rl, "unsupported ARP opcode %"PRIu16" in flow " |
2873 | "key", ntohs(arp_key->arp_op)); | |
b0f7b9b5 | 2874 | return ODP_FIT_ERROR; |
36956a7d BP |
2875 | } |
2876 | flow->nw_proto = ntohs(arp_key->arp_op); | |
bad68a99 JP |
2877 | memcpy(flow->arp_sha, arp_key->arp_sha, ETH_ADDR_LEN); |
2878 | memcpy(flow->arp_tha, arp_key->arp_tha, ETH_ADDR_LEN); | |
4a221615 GY |
2879 | |
2880 | if (is_mask) { | |
2881 | check_start = arp_key; | |
2882 | check_len = sizeof *arp_key; | |
2883 | expected_bit = OVS_KEY_ATTR_ARP; | |
2884 | } | |
2885 | } | |
2886 | } else { | |
2887 | goto done; | |
2888 | } | |
2889 | if (is_mask) { | |
2890 | if (!is_all_zeros(check_start, check_len) && | |
2891 | flow->dl_type != htons(0xffff)) { | |
2892 | return ODP_FIT_ERROR; | |
2893 | } else { | |
2894 | expected_attrs |= UINT64_C(1) << expected_bit; | |
36956a7d | 2895 | } |
36956a7d | 2896 | } |
36956a7d | 2897 | |
4a221615 GY |
2898 | expected_bit = OVS_KEY_ATTR_UNSPEC; |
2899 | if (src_flow->nw_proto == IPPROTO_TCP | |
2900 | && (src_flow->dl_type == htons(ETH_TYPE_IP) || | |
2901 | src_flow->dl_type == htons(ETH_TYPE_IPV6)) | |
2902 | && !(src_flow->nw_frag & FLOW_NW_FRAG_LATER)) { | |
2903 | if (!is_mask) { | |
2904 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_TCP; | |
2905 | } | |
fea393b1 | 2906 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_TCP)) { |
34118cae | 2907 | const struct ovs_key_tcp *tcp_key; |
36956a7d | 2908 | |
34118cae BP |
2909 | tcp_key = nl_attr_get(attrs[OVS_KEY_ATTR_TCP]); |
2910 | flow->tp_src = tcp_key->tcp_src; | |
2911 | flow->tp_dst = tcp_key->tcp_dst; | |
4a221615 GY |
2912 | expected_bit = OVS_KEY_ATTR_TCP; |
2913 | } | |
2914 | } else if (src_flow->nw_proto == IPPROTO_UDP | |
2915 | && (src_flow->dl_type == htons(ETH_TYPE_IP) || | |
2916 | src_flow->dl_type == htons(ETH_TYPE_IPV6)) | |
2917 | && !(src_flow->nw_frag & FLOW_NW_FRAG_LATER)) { | |
2918 | if (!is_mask) { | |
2919 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_UDP; | |
7257b535 | 2920 | } |
fea393b1 | 2921 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_UDP)) { |
34118cae BP |
2922 | const struct ovs_key_udp *udp_key; |
2923 | ||
2924 | udp_key = nl_attr_get(attrs[OVS_KEY_ATTR_UDP]); | |
2925 | flow->tp_src = udp_key->udp_src; | |
2926 | flow->tp_dst = udp_key->udp_dst; | |
4a221615 GY |
2927 | expected_bit = OVS_KEY_ATTR_UDP; |
2928 | } | |
c6bcb685 JS |
2929 | } else if (flow->nw_proto == IPPROTO_SCTP |
2930 | && (flow->dl_type == htons(ETH_TYPE_IP) || | |
2931 | flow->dl_type == htons(ETH_TYPE_IPV6)) | |
2932 | && !(flow->nw_frag & FLOW_NW_FRAG_LATER)) { | |
2933 | if (!is_mask) { | |
2934 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_SCTP; | |
2935 | } | |
2936 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_SCTP)) { | |
2937 | const struct ovs_key_sctp *sctp_key; | |
2938 | ||
2939 | sctp_key = nl_attr_get(attrs[OVS_KEY_ATTR_SCTP]); | |
2940 | flow->tp_src = sctp_key->sctp_src; | |
2941 | flow->tp_dst = sctp_key->sctp_dst; | |
2942 | expected_bit = OVS_KEY_ATTR_SCTP; | |
2943 | } | |
4a221615 GY |
2944 | } else if (src_flow->nw_proto == IPPROTO_ICMP |
2945 | && src_flow->dl_type == htons(ETH_TYPE_IP) | |
2946 | && !(src_flow->nw_frag & FLOW_NW_FRAG_LATER)) { | |
2947 | if (!is_mask) { | |
2948 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ICMP; | |
d31f1109 | 2949 | } |
fea393b1 | 2950 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ICMP)) { |
34118cae BP |
2951 | const struct ovs_key_icmp *icmp_key; |
2952 | ||
2953 | icmp_key = nl_attr_get(attrs[OVS_KEY_ATTR_ICMP]); | |
2954 | flow->tp_src = htons(icmp_key->icmp_type); | |
2955 | flow->tp_dst = htons(icmp_key->icmp_code); | |
4a221615 GY |
2956 | expected_bit = OVS_KEY_ATTR_ICMP; |
2957 | } | |
2958 | } else if (src_flow->nw_proto == IPPROTO_ICMPV6 | |
2959 | && src_flow->dl_type == htons(ETH_TYPE_IPV6) | |
2960 | && !(src_flow->nw_frag & FLOW_NW_FRAG_LATER)) { | |
2961 | if (!is_mask) { | |
2962 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ICMPV6; | |
685a51a5 | 2963 | } |
fea393b1 | 2964 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ICMPV6)) { |
34118cae BP |
2965 | const struct ovs_key_icmpv6 *icmpv6_key; |
2966 | ||
2967 | icmpv6_key = nl_attr_get(attrs[OVS_KEY_ATTR_ICMPV6]); | |
2968 | flow->tp_src = htons(icmpv6_key->icmpv6_type); | |
2969 | flow->tp_dst = htons(icmpv6_key->icmpv6_code); | |
4a221615 | 2970 | expected_bit = OVS_KEY_ATTR_ICMPV6; |
6f8dbd27 GY |
2971 | if (src_flow->tp_dst == htons(0) && |
2972 | (src_flow->tp_src == htons(ND_NEIGHBOR_SOLICIT) || | |
2973 | src_flow->tp_src == htons(ND_NEIGHBOR_ADVERT))) { | |
4a221615 GY |
2974 | if (!is_mask) { |
2975 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ND; | |
2976 | } | |
fea393b1 | 2977 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ND)) { |
34118cae BP |
2978 | const struct ovs_key_nd *nd_key; |
2979 | ||
2980 | nd_key = nl_attr_get(attrs[OVS_KEY_ATTR_ND]); | |
2981 | memcpy(&flow->nd_target, nd_key->nd_target, | |
2982 | sizeof flow->nd_target); | |
2983 | memcpy(flow->arp_sha, nd_key->nd_sll, ETH_ADDR_LEN); | |
2984 | memcpy(flow->arp_tha, nd_key->nd_tll, ETH_ADDR_LEN); | |
4a221615 GY |
2985 | if (is_mask) { |
2986 | if (!is_all_zeros((const uint8_t *) nd_key, | |
2987 | sizeof *nd_key) && | |
6f8dbd27 GY |
2988 | (flow->tp_src != htons(0xffff) || |
2989 | flow->tp_dst != htons(0xffff))) { | |
4a221615 GY |
2990 | return ODP_FIT_ERROR; |
2991 | } else { | |
2992 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ND; | |
2993 | } | |
2994 | } | |
34118cae BP |
2995 | } |
2996 | } | |
7257b535 | 2997 | } |
34118cae | 2998 | } |
4a221615 GY |
2999 | if (is_mask && expected_bit != OVS_KEY_ATTR_UNSPEC) { |
3000 | if ((flow->tp_src || flow->tp_dst) && flow->nw_proto != 0xff) { | |
3001 | return ODP_FIT_ERROR; | |
3002 | } else { | |
3003 | expected_attrs |= UINT64_C(1) << expected_bit; | |
3004 | } | |
3005 | } | |
7257b535 | 3006 | |
4a221615 | 3007 | done: |
b0f7b9b5 BP |
3008 | return check_expectations(present_attrs, out_of_range_attr, expected_attrs, |
3009 | key, key_len); | |
3010 | } | |
3011 | ||
3012 | /* Parse 802.1Q header then encapsulated L3 attributes. */ | |
3013 | static enum odp_key_fitness | |
3014 | parse_8021q_onward(const struct nlattr *attrs[OVS_KEY_ATTR_MAX + 1], | |
3015 | uint64_t present_attrs, int out_of_range_attr, | |
3016 | uint64_t expected_attrs, struct flow *flow, | |
4a221615 GY |
3017 | const struct nlattr *key, size_t key_len, |
3018 | const struct flow *src_flow) | |
b0f7b9b5 BP |
3019 | { |
3020 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); | |
4a221615 | 3021 | bool is_mask = src_flow != flow; |
b0f7b9b5 BP |
3022 | |
3023 | const struct nlattr *encap | |
3024 | = (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ENCAP) | |
3025 | ? attrs[OVS_KEY_ATTR_ENCAP] : NULL); | |
3026 | enum odp_key_fitness encap_fitness; | |
3027 | enum odp_key_fitness fitness; | |
3028 | ovs_be16 tci; | |
3029 | ||
ec9f40dc | 3030 | /* Calculate fitness of outer attributes. */ |
4a221615 GY |
3031 | if (!is_mask) { |
3032 | expected_attrs |= ((UINT64_C(1) << OVS_KEY_ATTR_VLAN) | | |
3033 | (UINT64_C(1) << OVS_KEY_ATTR_ENCAP)); | |
3034 | } else { | |
3035 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_VLAN)) { | |
3036 | expected_attrs |= (UINT64_C(1) << OVS_KEY_ATTR_VLAN); | |
3037 | } | |
3038 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ENCAP)) { | |
3039 | expected_attrs |= (UINT64_C(1) << OVS_KEY_ATTR_ENCAP); | |
3040 | } | |
3041 | } | |
b0f7b9b5 BP |
3042 | fitness = check_expectations(present_attrs, out_of_range_attr, |
3043 | expected_attrs, key, key_len); | |
3044 | ||
3045 | /* Get the VLAN TCI value. */ | |
4a221615 | 3046 | if (!is_mask && !(present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_VLAN))) { |
b0f7b9b5 | 3047 | return ODP_FIT_TOO_LITTLE; |
4a221615 GY |
3048 | } else { |
3049 | tci = nl_attr_get_be16(attrs[OVS_KEY_ATTR_VLAN]); | |
3050 | if (!is_mask) { | |
3051 | if (tci == htons(0)) { | |
3052 | /* Corner case for a truncated 802.1Q header. */ | |
3053 | if (fitness == ODP_FIT_PERFECT && nl_attr_get_size(encap)) { | |
3054 | return ODP_FIT_TOO_MUCH; | |
3055 | } | |
3056 | return fitness; | |
3057 | } else if (!(tci & htons(VLAN_CFI))) { | |
3058 | VLOG_ERR_RL(&rl, "OVS_KEY_ATTR_VLAN 0x%04"PRIx16" is nonzero " | |
3059 | "but CFI bit is not set", ntohs(tci)); | |
3060 | return ODP_FIT_ERROR; | |
3061 | } | |
3062 | } | |
3063 | /* Set vlan_tci. | |
3064 | * Remove the TPID from dl_type since it's not the real Ethertype. */ | |
3065 | flow->dl_type = htons(0); | |
3066 | flow->vlan_tci = tci; | |
3067 | } | |
3068 | ||
3069 | if (is_mask && !(present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ENCAP))) { | |
b0f7b9b5 | 3070 | return fitness; |
b0f7b9b5 | 3071 | } |
b0f7b9b5 BP |
3072 | /* Now parse the encapsulated attributes. */ |
3073 | if (!parse_flow_nlattrs(nl_attr_get(encap), nl_attr_get_size(encap), | |
3074 | attrs, &present_attrs, &out_of_range_attr)) { | |
3075 | return ODP_FIT_ERROR; | |
3076 | } | |
3077 | expected_attrs = 0; | |
3078 | ||
4a221615 | 3079 | if (!parse_ethertype(attrs, present_attrs, &expected_attrs, flow, src_flow)) { |
b0f7b9b5 BP |
3080 | return ODP_FIT_ERROR; |
3081 | } | |
b02475c5 | 3082 | encap_fitness = parse_l2_5_onward(attrs, present_attrs, out_of_range_attr, |
4a221615 GY |
3083 | expected_attrs, flow, key, key_len, |
3084 | src_flow); | |
b0f7b9b5 BP |
3085 | |
3086 | /* The overall fitness is the worse of the outer and inner attributes. */ | |
3087 | return MAX(fitness, encap_fitness); | |
3088 | } | |
3089 | ||
4a221615 GY |
3090 | static enum odp_key_fitness |
3091 | odp_flow_key_to_flow__(const struct nlattr *key, size_t key_len, | |
3092 | struct flow *flow, const struct flow *src_flow) | |
b0f7b9b5 | 3093 | { |
b0f7b9b5 BP |
3094 | const struct nlattr *attrs[OVS_KEY_ATTR_MAX + 1]; |
3095 | uint64_t expected_attrs; | |
3096 | uint64_t present_attrs; | |
3097 | int out_of_range_attr; | |
4a221615 | 3098 | bool is_mask = src_flow != flow; |
b0f7b9b5 BP |
3099 | |
3100 | memset(flow, 0, sizeof *flow); | |
3101 | ||
3102 | /* Parse attributes. */ | |
3103 | if (!parse_flow_nlattrs(key, key_len, attrs, &present_attrs, | |
3104 | &out_of_range_attr)) { | |
3105 | return ODP_FIT_ERROR; | |
3106 | } | |
3107 | expected_attrs = 0; | |
3108 | ||
3109 | /* Metadata. */ | |
3110 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_PRIORITY)) { | |
deedf7e7 | 3111 | flow->skb_priority = nl_attr_get_u32(attrs[OVS_KEY_ATTR_PRIORITY]); |
b0f7b9b5 BP |
3112 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_PRIORITY; |
3113 | } | |
3114 | ||
72e8bf28 | 3115 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_SKB_MARK)) { |
1362e248 | 3116 | flow->pkt_mark = nl_attr_get_u32(attrs[OVS_KEY_ATTR_SKB_MARK]); |
72e8bf28 AA |
3117 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_SKB_MARK; |
3118 | } | |
3119 | ||
9b405f1a PS |
3120 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_TUNNEL)) { |
3121 | enum odp_key_fitness res; | |
05fb0928 | 3122 | |
617e10e7 | 3123 | res = odp_tun_key_from_attr(attrs[OVS_KEY_ATTR_TUNNEL], &flow->tunnel); |
9b405f1a PS |
3124 | if (res == ODP_FIT_ERROR) { |
3125 | return ODP_FIT_ERROR; | |
3126 | } else if (res == ODP_FIT_PERFECT) { | |
3127 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_TUNNEL; | |
05fb0928 JR |
3128 | } |
3129 | } | |
3130 | ||
b0f7b9b5 | 3131 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_IN_PORT)) { |
4e022ec0 AW |
3132 | flow->in_port.odp_port |
3133 | = nl_attr_get_odp_port(attrs[OVS_KEY_ATTR_IN_PORT]); | |
b0f7b9b5 | 3134 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_IN_PORT; |
4a221615 | 3135 | } else if (!is_mask) { |
4e022ec0 | 3136 | flow->in_port.odp_port = ODPP_NONE; |
b0f7b9b5 BP |
3137 | } |
3138 | ||
3139 | /* Ethernet header. */ | |
3140 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ETHERNET)) { | |
3141 | const struct ovs_key_ethernet *eth_key; | |
3142 | ||
3143 | eth_key = nl_attr_get(attrs[OVS_KEY_ATTR_ETHERNET]); | |
3144 | memcpy(flow->dl_src, eth_key->eth_src, ETH_ADDR_LEN); | |
3145 | memcpy(flow->dl_dst, eth_key->eth_dst, ETH_ADDR_LEN); | |
4a221615 GY |
3146 | if (is_mask) { |
3147 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ETHERNET; | |
3148 | } | |
3149 | } | |
3150 | if (!is_mask) { | |
3151 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ETHERNET; | |
b0f7b9b5 | 3152 | } |
b0f7b9b5 BP |
3153 | |
3154 | /* Get Ethertype or 802.1Q TPID or FLOW_DL_TYPE_NONE. */ | |
4a221615 GY |
3155 | if (!parse_ethertype(attrs, present_attrs, &expected_attrs, flow, |
3156 | src_flow)) { | |
b0f7b9b5 BP |
3157 | return ODP_FIT_ERROR; |
3158 | } | |
3159 | ||
4a221615 GY |
3160 | if ((is_mask && (src_flow->vlan_tci & htons(VLAN_CFI))) || |
3161 | (!is_mask && src_flow->dl_type == htons(ETH_TYPE_VLAN))) { | |
b0f7b9b5 | 3162 | return parse_8021q_onward(attrs, present_attrs, out_of_range_attr, |
4a221615 GY |
3163 | expected_attrs, flow, key, key_len, src_flow); |
3164 | } | |
3165 | if (is_mask) { | |
3166 | flow->vlan_tci = htons(0xffff); | |
3167 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_VLAN)) { | |
3168 | flow->vlan_tci = nl_attr_get_be16(attrs[OVS_KEY_ATTR_VLAN]); | |
3169 | expected_attrs |= (UINT64_C(1) << OVS_KEY_ATTR_VLAN); | |
3170 | } | |
b0f7b9b5 | 3171 | } |
b02475c5 | 3172 | return parse_l2_5_onward(attrs, present_attrs, out_of_range_attr, |
4a221615 GY |
3173 | expected_attrs, flow, key, key_len, src_flow); |
3174 | } | |
3175 | ||
3176 | /* Converts the 'key_len' bytes of OVS_KEY_ATTR_* attributes in 'key' to a flow | |
3177 | * structure in 'flow'. Returns an ODP_FIT_* value that indicates how well | |
3178 | * 'key' fits our expectations for what a flow key should contain. | |
3179 | * | |
3180 | * The 'in_port' will be the datapath's understanding of the port. The | |
3181 | * caller will need to translate with odp_port_to_ofp_port() if the | |
3182 | * OpenFlow port is needed. | |
3183 | * | |
3184 | * This function doesn't take the packet itself as an argument because none of | |
3185 | * the currently understood OVS_KEY_ATTR_* attributes require it. Currently, | |
3186 | * it is always possible to infer which additional attribute(s) should appear | |
3187 | * by looking at the attributes for lower-level protocols, e.g. if the network | |
3188 | * protocol in OVS_KEY_ATTR_IPV4 or OVS_KEY_ATTR_IPV6 is IPPROTO_TCP then we | |
3189 | * know that a OVS_KEY_ATTR_TCP attribute must appear and that otherwise it | |
3190 | * must be absent. */ | |
3191 | enum odp_key_fitness | |
3192 | odp_flow_key_to_flow(const struct nlattr *key, size_t key_len, | |
3193 | struct flow *flow) | |
3194 | { | |
3195 | return odp_flow_key_to_flow__(key, key_len, flow, flow); | |
3196 | } | |
3197 | ||
3198 | /* Converts the 'key_len' bytes of OVS_KEY_ATTR_* attributes in 'key' to a mask | |
3199 | * structure in 'mask'. 'flow' must be a previously translated flow | |
3200 | * corresponding to 'mask'. Returns an ODP_FIT_* value that indicates how well | |
3201 | * 'key' fits our expectations for what a flow key should contain. */ | |
3202 | enum odp_key_fitness | |
3203 | odp_flow_key_to_mask(const struct nlattr *key, size_t key_len, | |
3204 | struct flow *mask, const struct flow *flow) | |
3205 | { | |
3206 | return odp_flow_key_to_flow__(key, key_len, mask, flow); | |
14608a15 | 3207 | } |
39db78a0 | 3208 | |
6814e51f BP |
3209 | /* Returns 'fitness' as a string, for use in debug messages. */ |
3210 | const char * | |
3211 | odp_key_fitness_to_string(enum odp_key_fitness fitness) | |
3212 | { | |
3213 | switch (fitness) { | |
3214 | case ODP_FIT_PERFECT: | |
3215 | return "OK"; | |
3216 | case ODP_FIT_TOO_MUCH: | |
3217 | return "too_much"; | |
3218 | case ODP_FIT_TOO_LITTLE: | |
3219 | return "too_little"; | |
3220 | case ODP_FIT_ERROR: | |
3221 | return "error"; | |
3222 | default: | |
3223 | return "<unknown>"; | |
3224 | } | |
3225 | } | |
3226 | ||
39db78a0 | 3227 | /* Appends an OVS_ACTION_ATTR_USERSPACE action to 'odp_actions' that specifies |
e995e3df BP |
3228 | * Netlink PID 'pid'. If 'userdata' is nonnull, adds a userdata attribute |
3229 | * whose contents are the 'userdata_size' bytes at 'userdata' and returns the | |
3230 | * offset within 'odp_actions' of the start of the cookie. (If 'userdata' is | |
3231 | * null, then the return value is not meaningful.) */ | |
39db78a0 | 3232 | size_t |
e995e3df BP |
3233 | odp_put_userspace_action(uint32_t pid, |
3234 | const void *userdata, size_t userdata_size, | |
39db78a0 BP |
3235 | struct ofpbuf *odp_actions) |
3236 | { | |
e995e3df | 3237 | size_t userdata_ofs; |
39db78a0 BP |
3238 | size_t offset; |
3239 | ||
3240 | offset = nl_msg_start_nested(odp_actions, OVS_ACTION_ATTR_USERSPACE); | |
3241 | nl_msg_put_u32(odp_actions, OVS_USERSPACE_ATTR_PID, pid); | |
e995e3df BP |
3242 | if (userdata) { |
3243 | userdata_ofs = odp_actions->size + NLA_HDRLEN; | |
39db78a0 | 3244 | nl_msg_put_unspec(odp_actions, OVS_USERSPACE_ATTR_USERDATA, |
e995e3df BP |
3245 | userdata, userdata_size); |
3246 | } else { | |
3247 | userdata_ofs = 0; | |
39db78a0 BP |
3248 | } |
3249 | nl_msg_end_nested(odp_actions, offset); | |
3250 | ||
e995e3df | 3251 | return userdata_ofs; |
39db78a0 | 3252 | } |
b9ad7294 EJ |
3253 | |
3254 | void | |
3255 | odp_put_tunnel_action(const struct flow_tnl *tunnel, | |
3256 | struct ofpbuf *odp_actions) | |
3257 | { | |
3258 | size_t offset = nl_msg_start_nested(odp_actions, OVS_ACTION_ATTR_SET); | |
3259 | tun_key_to_attr(odp_actions, tunnel); | |
3260 | nl_msg_end_nested(odp_actions, offset); | |
3261 | } | |
5bbda0aa EJ |
3262 | \f |
3263 | /* The commit_odp_actions() function and its helpers. */ | |
3264 | ||
3265 | static void | |
3266 | commit_set_action(struct ofpbuf *odp_actions, enum ovs_key_attr key_type, | |
3267 | const void *key, size_t key_size) | |
3268 | { | |
3269 | size_t offset = nl_msg_start_nested(odp_actions, OVS_ACTION_ATTR_SET); | |
3270 | nl_msg_put_unspec(odp_actions, key_type, key, key_size); | |
3271 | nl_msg_end_nested(odp_actions, offset); | |
3272 | } | |
3273 | ||
09a0d2e7 | 3274 | void |
1362e248 | 3275 | odp_put_pkt_mark_action(const uint32_t pkt_mark, |
09a0d2e7 AA |
3276 | struct ofpbuf *odp_actions) |
3277 | { | |
1362e248 JG |
3278 | commit_set_action(odp_actions, OVS_KEY_ATTR_SKB_MARK, &pkt_mark, |
3279 | sizeof(pkt_mark)); | |
09a0d2e7 AA |
3280 | } |
3281 | ||
b9ad7294 EJ |
3282 | /* If any of the flow key data that ODP actions can modify are different in |
3283 | * 'base->tunnel' and 'flow->tunnel', appends a set_tunnel ODP action to | |
3284 | * 'odp_actions' that change the flow tunneling information in key from | |
3285 | * 'base->tunnel' into 'flow->tunnel', and then changes 'base->tunnel' in the | |
3286 | * same way. In other words, operates the same as commit_odp_actions(), but | |
3287 | * only on tunneling information. */ | |
3288 | void | |
3289 | commit_odp_tunnel_action(const struct flow *flow, struct flow *base, | |
5bbda0aa EJ |
3290 | struct ofpbuf *odp_actions) |
3291 | { | |
05fb0928 JR |
3292 | /* A valid IPV4_TUNNEL must have non-zero ip_dst. */ |
3293 | if (flow->tunnel.ip_dst) { | |
fc80de30 JR |
3294 | if (!memcmp(&base->tunnel, &flow->tunnel, sizeof base->tunnel)) { |
3295 | return; | |
3296 | } | |
3297 | memcpy(&base->tunnel, &flow->tunnel, sizeof base->tunnel); | |
b9ad7294 | 3298 | odp_put_tunnel_action(&base->tunnel, odp_actions); |
05fb0928 | 3299 | } |
5bbda0aa EJ |
3300 | } |
3301 | ||
3302 | static void | |
3303 | commit_set_ether_addr_action(const struct flow *flow, struct flow *base, | |
1dd35f8a JP |
3304 | struct ofpbuf *odp_actions, |
3305 | struct flow_wildcards *wc) | |
5bbda0aa EJ |
3306 | { |
3307 | struct ovs_key_ethernet eth_key; | |
3308 | ||
3309 | if (eth_addr_equals(base->dl_src, flow->dl_src) && | |
3310 | eth_addr_equals(base->dl_dst, flow->dl_dst)) { | |
3311 | return; | |
3312 | } | |
3313 | ||
1dd35f8a JP |
3314 | memset(&wc->masks.dl_src, 0xff, sizeof wc->masks.dl_src); |
3315 | memset(&wc->masks.dl_dst, 0xff, sizeof wc->masks.dl_dst); | |
3316 | ||
5bbda0aa EJ |
3317 | memcpy(base->dl_src, flow->dl_src, ETH_ADDR_LEN); |
3318 | memcpy(base->dl_dst, flow->dl_dst, ETH_ADDR_LEN); | |
3319 | ||
3320 | memcpy(eth_key.eth_src, base->dl_src, ETH_ADDR_LEN); | |
3321 | memcpy(eth_key.eth_dst, base->dl_dst, ETH_ADDR_LEN); | |
3322 | ||
3323 | commit_set_action(odp_actions, OVS_KEY_ATTR_ETHERNET, | |
3324 | ð_key, sizeof(eth_key)); | |
3325 | } | |
3326 | ||
3327 | static void | |
3328 | commit_vlan_action(const struct flow *flow, struct flow *base, | |
1dd35f8a | 3329 | struct ofpbuf *odp_actions, struct flow_wildcards *wc) |
5bbda0aa EJ |
3330 | { |
3331 | if (base->vlan_tci == flow->vlan_tci) { | |
3332 | return; | |
3333 | } | |
3334 | ||
1dd35f8a JP |
3335 | memset(&wc->masks.vlan_tci, 0xff, sizeof wc->masks.vlan_tci); |
3336 | ||
5bbda0aa EJ |
3337 | if (base->vlan_tci & htons(VLAN_CFI)) { |
3338 | nl_msg_put_flag(odp_actions, OVS_ACTION_ATTR_POP_VLAN); | |
3339 | } | |
3340 | ||
3341 | if (flow->vlan_tci & htons(VLAN_CFI)) { | |
3342 | struct ovs_action_push_vlan vlan; | |
3343 | ||
3344 | vlan.vlan_tpid = htons(ETH_TYPE_VLAN); | |
3345 | vlan.vlan_tci = flow->vlan_tci; | |
3346 | nl_msg_put_unspec(odp_actions, OVS_ACTION_ATTR_PUSH_VLAN, | |
3347 | &vlan, sizeof vlan); | |
3348 | } | |
3349 | base->vlan_tci = flow->vlan_tci; | |
3350 | } | |
3351 | ||
b02475c5 SH |
3352 | static void |
3353 | commit_mpls_action(const struct flow *flow, struct flow *base, | |
1dd35f8a | 3354 | struct ofpbuf *odp_actions, struct flow_wildcards *wc) |
b02475c5 SH |
3355 | { |
3356 | if (flow->mpls_lse == base->mpls_lse && | |
3357 | flow->mpls_depth == base->mpls_depth) { | |
3358 | return; | |
3359 | } | |
3360 | ||
1dd35f8a JP |
3361 | memset(&wc->masks.mpls_lse, 0xff, sizeof wc->masks.mpls_lse); |
3362 | ||
b02475c5 SH |
3363 | if (flow->mpls_depth < base->mpls_depth) { |
3364 | if (base->mpls_depth - flow->mpls_depth > 1) { | |
3365 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(10, 10); | |
3366 | VLOG_WARN_RL(&rl, "Multiple mpls_pop actions reduced to " | |
3367 | " a single mpls_pop action"); | |
3368 | } | |
3369 | ||
3370 | nl_msg_put_be16(odp_actions, OVS_ACTION_ATTR_POP_MPLS, flow->dl_type); | |
3371 | } else if (flow->mpls_depth > base->mpls_depth) { | |
3372 | struct ovs_action_push_mpls *mpls; | |
3373 | ||
3374 | if (flow->mpls_depth - base->mpls_depth > 1) { | |
3375 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(10, 10); | |
3376 | VLOG_WARN_RL(&rl, "Multiple mpls_push actions reduced to " | |
3377 | " a single mpls_push action"); | |
3378 | } | |
3379 | ||
3380 | mpls = nl_msg_put_unspec_uninit(odp_actions, OVS_ACTION_ATTR_PUSH_MPLS, | |
3381 | sizeof *mpls); | |
3382 | memset(mpls, 0, sizeof *mpls); | |
3383 | mpls->mpls_ethertype = flow->dl_type; | |
3384 | mpls->mpls_lse = flow->mpls_lse; | |
3385 | } else { | |
3386 | struct ovs_key_mpls mpls_key; | |
3387 | ||
20131cef | 3388 | mpls_key.mpls_lse = flow->mpls_lse; |
b02475c5 SH |
3389 | commit_set_action(odp_actions, OVS_KEY_ATTR_MPLS, |
3390 | &mpls_key, sizeof(mpls_key)); | |
3391 | } | |
3392 | ||
3393 | base->dl_type = flow->dl_type; | |
3394 | base->mpls_lse = flow->mpls_lse; | |
3395 | base->mpls_depth = flow->mpls_depth; | |
3396 | } | |
3397 | ||
5bbda0aa | 3398 | static void |
c4f2731d | 3399 | commit_set_ipv4_action(const struct flow *flow, struct flow *base, |
1dd35f8a | 3400 | struct ofpbuf *odp_actions, struct flow_wildcards *wc) |
5bbda0aa EJ |
3401 | { |
3402 | struct ovs_key_ipv4 ipv4_key; | |
3403 | ||
5bbda0aa EJ |
3404 | if (base->nw_src == flow->nw_src && |
3405 | base->nw_dst == flow->nw_dst && | |
3406 | base->nw_tos == flow->nw_tos && | |
3407 | base->nw_ttl == flow->nw_ttl && | |
3408 | base->nw_frag == flow->nw_frag) { | |
3409 | return; | |
3410 | } | |
3411 | ||
1dd35f8a JP |
3412 | memset(&wc->masks.nw_src, 0xff, sizeof wc->masks.nw_src); |
3413 | memset(&wc->masks.nw_dst, 0xff, sizeof wc->masks.nw_dst); | |
3414 | memset(&wc->masks.nw_tos, 0xff, sizeof wc->masks.nw_tos); | |
3415 | memset(&wc->masks.nw_ttl, 0xff, sizeof wc->masks.nw_ttl); | |
3416 | memset(&wc->masks.nw_proto, 0xff, sizeof wc->masks.nw_proto); | |
3417 | memset(&wc->masks.nw_frag, 0xff, sizeof wc->masks.nw_frag); | |
3418 | ||
5bbda0aa EJ |
3419 | ipv4_key.ipv4_src = base->nw_src = flow->nw_src; |
3420 | ipv4_key.ipv4_dst = base->nw_dst = flow->nw_dst; | |
3421 | ipv4_key.ipv4_tos = base->nw_tos = flow->nw_tos; | |
3422 | ipv4_key.ipv4_ttl = base->nw_ttl = flow->nw_ttl; | |
3423 | ipv4_key.ipv4_proto = base->nw_proto; | |
c4f2731d | 3424 | ipv4_key.ipv4_frag = ovs_to_odp_frag(base->nw_frag); |
5bbda0aa EJ |
3425 | |
3426 | commit_set_action(odp_actions, OVS_KEY_ATTR_IPV4, | |
3427 | &ipv4_key, sizeof(ipv4_key)); | |
3428 | } | |
3429 | ||
c4f2731d PS |
3430 | static void |
3431 | commit_set_ipv6_action(const struct flow *flow, struct flow *base, | |
1dd35f8a | 3432 | struct ofpbuf *odp_actions, struct flow_wildcards *wc) |
c4f2731d PS |
3433 | { |
3434 | struct ovs_key_ipv6 ipv6_key; | |
3435 | ||
3436 | if (ipv6_addr_equals(&base->ipv6_src, &flow->ipv6_src) && | |
3437 | ipv6_addr_equals(&base->ipv6_dst, &flow->ipv6_dst) && | |
3438 | base->ipv6_label == flow->ipv6_label && | |
3439 | base->nw_tos == flow->nw_tos && | |
3440 | base->nw_ttl == flow->nw_ttl && | |
3441 | base->nw_frag == flow->nw_frag) { | |
3442 | return; | |
3443 | } | |
3444 | ||
1dd35f8a JP |
3445 | memset(&wc->masks.ipv6_src, 0xff, sizeof wc->masks.ipv6_src); |
3446 | memset(&wc->masks.ipv6_dst, 0xff, sizeof wc->masks.ipv6_dst); | |
3447 | memset(&wc->masks.ipv6_label, 0xff, sizeof wc->masks.ipv6_label); | |
3448 | memset(&wc->masks.nw_tos, 0xff, sizeof wc->masks.nw_tos); | |
3449 | memset(&wc->masks.nw_ttl, 0xff, sizeof wc->masks.nw_ttl); | |
3450 | memset(&wc->masks.nw_proto, 0xff, sizeof wc->masks.nw_proto); | |
3451 | memset(&wc->masks.nw_frag, 0xff, sizeof wc->masks.nw_frag); | |
3452 | ||
c4f2731d PS |
3453 | base->ipv6_src = flow->ipv6_src; |
3454 | memcpy(&ipv6_key.ipv6_src, &base->ipv6_src, sizeof(ipv6_key.ipv6_src)); | |
3455 | base->ipv6_dst = flow->ipv6_dst; | |
3456 | memcpy(&ipv6_key.ipv6_dst, &base->ipv6_dst, sizeof(ipv6_key.ipv6_dst)); | |
3457 | ||
3458 | ipv6_key.ipv6_label = base->ipv6_label = flow->ipv6_label; | |
3459 | ipv6_key.ipv6_tclass = base->nw_tos = flow->nw_tos; | |
3460 | ipv6_key.ipv6_hlimit = base->nw_ttl = flow->nw_ttl; | |
3461 | ipv6_key.ipv6_proto = base->nw_proto; | |
3462 | ipv6_key.ipv6_frag = ovs_to_odp_frag(base->nw_frag); | |
3463 | ||
3464 | commit_set_action(odp_actions, OVS_KEY_ATTR_IPV6, | |
3465 | &ipv6_key, sizeof(ipv6_key)); | |
3466 | } | |
3467 | ||
3468 | static void | |
3469 | commit_set_nw_action(const struct flow *flow, struct flow *base, | |
1dd35f8a | 3470 | struct ofpbuf *odp_actions, struct flow_wildcards *wc) |
c4f2731d PS |
3471 | { |
3472 | /* Check if flow really have an IP header. */ | |
3473 | if (!flow->nw_proto) { | |
3474 | return; | |
3475 | } | |
3476 | ||
1b035ef2 | 3477 | if (base->dl_type == htons(ETH_TYPE_IP)) { |
1dd35f8a | 3478 | commit_set_ipv4_action(flow, base, odp_actions, wc); |
1b035ef2 | 3479 | } else if (base->dl_type == htons(ETH_TYPE_IPV6)) { |
1dd35f8a | 3480 | commit_set_ipv6_action(flow, base, odp_actions, wc); |
c4f2731d PS |
3481 | } |
3482 | } | |
3483 | ||
5bbda0aa EJ |
3484 | static void |
3485 | commit_set_port_action(const struct flow *flow, struct flow *base, | |
1dd35f8a | 3486 | struct ofpbuf *odp_actions, struct flow_wildcards *wc) |
5bbda0aa | 3487 | { |
1b035ef2 | 3488 | if (!is_ip_any(base) || (!base->tp_src && !base->tp_dst)) { |
5bbda0aa EJ |
3489 | return; |
3490 | } | |
3491 | ||
3492 | if (base->tp_src == flow->tp_src && | |
3493 | base->tp_dst == flow->tp_dst) { | |
3494 | return; | |
3495 | } | |
3496 | ||
1dd35f8a JP |
3497 | memset(&wc->masks.tp_src, 0xff, sizeof wc->masks.tp_src); |
3498 | memset(&wc->masks.tp_dst, 0xff, sizeof wc->masks.tp_dst); | |
3499 | ||
5bbda0aa EJ |
3500 | if (flow->nw_proto == IPPROTO_TCP) { |
3501 | struct ovs_key_tcp port_key; | |
3502 | ||
3503 | port_key.tcp_src = base->tp_src = flow->tp_src; | |
3504 | port_key.tcp_dst = base->tp_dst = flow->tp_dst; | |
3505 | ||
3506 | commit_set_action(odp_actions, OVS_KEY_ATTR_TCP, | |
3507 | &port_key, sizeof(port_key)); | |
3508 | ||
3509 | } else if (flow->nw_proto == IPPROTO_UDP) { | |
3510 | struct ovs_key_udp port_key; | |
3511 | ||
3512 | port_key.udp_src = base->tp_src = flow->tp_src; | |
3513 | port_key.udp_dst = base->tp_dst = flow->tp_dst; | |
3514 | ||
3515 | commit_set_action(odp_actions, OVS_KEY_ATTR_UDP, | |
3516 | &port_key, sizeof(port_key)); | |
c6bcb685 JS |
3517 | } else if (flow->nw_proto == IPPROTO_SCTP) { |
3518 | struct ovs_key_sctp port_key; | |
3519 | ||
3520 | port_key.sctp_src = base->tp_src = flow->tp_src; | |
3521 | port_key.sctp_dst = base->tp_dst = flow->tp_dst; | |
3522 | ||
3523 | commit_set_action(odp_actions, OVS_KEY_ATTR_SCTP, | |
3524 | &port_key, sizeof(port_key)); | |
5bbda0aa EJ |
3525 | } |
3526 | } | |
3527 | ||
3528 | static void | |
3529 | commit_set_priority_action(const struct flow *flow, struct flow *base, | |
1dd35f8a JP |
3530 | struct ofpbuf *odp_actions, |
3531 | struct flow_wildcards *wc) | |
5bbda0aa | 3532 | { |
deedf7e7 | 3533 | if (base->skb_priority == flow->skb_priority) { |
5bbda0aa EJ |
3534 | return; |
3535 | } | |
1dd35f8a JP |
3536 | |
3537 | memset(&wc->masks.skb_priority, 0xff, sizeof wc->masks.skb_priority); | |
deedf7e7 | 3538 | base->skb_priority = flow->skb_priority; |
5bbda0aa EJ |
3539 | |
3540 | commit_set_action(odp_actions, OVS_KEY_ATTR_PRIORITY, | |
deedf7e7 | 3541 | &base->skb_priority, sizeof(base->skb_priority)); |
5bbda0aa EJ |
3542 | } |
3543 | ||
72e8bf28 | 3544 | static void |
1362e248 | 3545 | commit_set_pkt_mark_action(const struct flow *flow, struct flow *base, |
1dd35f8a JP |
3546 | struct ofpbuf *odp_actions, |
3547 | struct flow_wildcards *wc) | |
72e8bf28 | 3548 | { |
1362e248 | 3549 | if (base->pkt_mark == flow->pkt_mark) { |
72e8bf28 AA |
3550 | return; |
3551 | } | |
1dd35f8a | 3552 | |
1362e248 JG |
3553 | memset(&wc->masks.pkt_mark, 0xff, sizeof wc->masks.pkt_mark); |
3554 | base->pkt_mark = flow->pkt_mark; | |
72e8bf28 | 3555 | |
1362e248 | 3556 | odp_put_pkt_mark_action(base->pkt_mark, odp_actions); |
72e8bf28 | 3557 | } |
5bbda0aa EJ |
3558 | /* If any of the flow key data that ODP actions can modify are different in |
3559 | * 'base' and 'flow', appends ODP actions to 'odp_actions' that change the flow | |
b9ad7294 EJ |
3560 | * key from 'base' into 'flow', and then changes 'base' the same way. Does not |
3561 | * commit set_tunnel actions. Users should call commit_odp_tunnel_action() | |
1dd35f8a JP |
3562 | * in addition to this function if needed. Sets fields in 'wc' that are |
3563 | * used as part of the action. */ | |
5bbda0aa EJ |
3564 | void |
3565 | commit_odp_actions(const struct flow *flow, struct flow *base, | |
1dd35f8a | 3566 | struct ofpbuf *odp_actions, struct flow_wildcards *wc) |
5bbda0aa | 3567 | { |
1dd35f8a JP |
3568 | commit_set_ether_addr_action(flow, base, odp_actions, wc); |
3569 | commit_vlan_action(flow, base, odp_actions, wc); | |
3570 | commit_set_nw_action(flow, base, odp_actions, wc); | |
3571 | commit_set_port_action(flow, base, odp_actions, wc); | |
ec9f40dc | 3572 | /* Committing MPLS actions should occur after committing nw and port |
1b035ef2 SH |
3573 | * actions. This is because committing MPLS actions may alter a packet so |
3574 | * that it is no longer IP and thus nw and port actions are no longer valid. | |
3575 | */ | |
1dd35f8a JP |
3576 | commit_mpls_action(flow, base, odp_actions, wc); |
3577 | commit_set_priority_action(flow, base, odp_actions, wc); | |
1362e248 | 3578 | commit_set_pkt_mark_action(flow, base, odp_actions, wc); |
5bbda0aa | 3579 | } |