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Commit | Line | Data |
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064af421 | 1 | /* |
fd13c6b5 | 2 | * Copyright (c) 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017 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> |
370e373b | 25 | #include <netinet/ip6.h> |
064af421 BP |
26 | #include <stdlib.h> |
27 | #include <string.h> | |
a36de779 | 28 | |
cdee00fd | 29 | #include "byte-order.h" |
064af421 | 30 | #include "coverage.h" |
758c456d | 31 | #include "dpif.h" |
3e8a2ad1 | 32 | #include "openvswitch/dynamic-string.h" |
064af421 | 33 | #include "flow.h" |
cdee00fd | 34 | #include "netlink.h" |
64c96779 | 35 | #include "openvswitch/ofpbuf.h" |
064af421 | 36 | #include "packets.h" |
44bac24b | 37 | #include "simap.h" |
064af421 | 38 | #include "timeval.h" |
9558d2a5 | 39 | #include "tun-metadata.h" |
a36de779 | 40 | #include "unaligned.h" |
064af421 | 41 | #include "util.h" |
10e92b4f | 42 | #include "uuid.h" |
e6211adc | 43 | #include "openvswitch/vlog.h" |
8b668ee3 | 44 | #include "openvswitch/match.h" |
34118cae BP |
45 | |
46 | VLOG_DEFINE_THIS_MODULE(odp_util); | |
064af421 | 47 | |
df2c07f4 JP |
48 | /* The interface between userspace and kernel uses an "OVS_*" prefix. |
49 | * Since this is fairly non-specific for the OVS userspace components, | |
50 | * "ODP_*" (Open vSwitch Datapath) is used as the prefix for | |
51 | * interactions with the datapath. | |
52 | */ | |
53 | ||
7202cbe5 BP |
54 | /* The set of characters that may separate one action or one key attribute |
55 | * from another. */ | |
56 | static const char *delimiters = ", \t\r\n"; | |
d787ad39 | 57 | static const char *delimiters_end = ", \t\r\n)"; |
7202cbe5 | 58 | |
6b8da9e9 JG |
59 | struct attr_len_tbl { |
60 | int len; | |
61 | const struct attr_len_tbl *next; | |
62 | int next_max; | |
63 | }; | |
64 | #define ATTR_LEN_INVALID -1 | |
65 | #define ATTR_LEN_VARIABLE -2 | |
66 | #define ATTR_LEN_NESTED -3 | |
67 | ||
e6cc0bab AZ |
68 | static int parse_odp_key_mask_attr(const char *, const struct simap *port_names, |
69 | struct ofpbuf *, struct ofpbuf *); | |
70 | static void format_odp_key_attr(const struct nlattr *a, | |
0a37839c GS |
71 | const struct nlattr *ma, |
72 | const struct hmap *portno_names, struct ds *ds, | |
041e7168 | 73 | bool verbose); |
a052b51b | 74 | |
5bb08b0e JG |
75 | struct geneve_scan { |
76 | struct geneve_opt d[63]; | |
77 | int len; | |
78 | }; | |
79 | ||
80 | static int scan_geneve(const char *s, struct geneve_scan *key, | |
81 | struct geneve_scan *mask); | |
82 | static void format_geneve_opts(const struct geneve_opt *opt, | |
83 | const struct geneve_opt *mask, int opts_len, | |
84 | struct ds *, bool verbose); | |
85 | ||
65da723b JG |
86 | static struct nlattr *generate_all_wildcard_mask(const struct attr_len_tbl tbl[], |
87 | int max, struct ofpbuf *, | |
88 | const struct nlattr *key); | |
89cf41ec BP |
89 | static void format_u128(struct ds *d, const ovs_32aligned_u128 *key, |
90 | const ovs_32aligned_u128 *mask, bool verbose); | |
9daf2348 JS |
91 | static int scan_u128(const char *s, ovs_u128 *value, ovs_u128 *mask); |
92 | ||
c37f7135 AZ |
93 | static int parse_odp_action(const char *s, const struct simap *port_names, |
94 | struct ofpbuf *actions); | |
95 | ||
98403001 BP |
96 | /* Returns one the following for the action with the given OVS_ACTION_ATTR_* |
97 | * 'type': | |
98 | * | |
99 | * - For an action whose argument has a fixed length, returned that | |
100 | * nonnegative length in bytes. | |
101 | * | |
6b8da9e9 | 102 | * - For an action with a variable-length argument, returns ATTR_LEN_VARIABLE. |
98403001 | 103 | * |
6b8da9e9 | 104 | * - For an invalid 'type', returns ATTR_LEN_INVALID. */ |
4edb9ae9 | 105 | static int |
cdee00fd BP |
106 | odp_action_len(uint16_t type) |
107 | { | |
df2c07f4 | 108 | if (type > OVS_ACTION_ATTR_MAX) { |
cdee00fd BP |
109 | return -1; |
110 | } | |
111 | ||
09ded0ad | 112 | switch ((enum ovs_action_attr) type) { |
fea393b1 | 113 | case OVS_ACTION_ATTR_OUTPUT: return sizeof(uint32_t); |
aaca4fe0 | 114 | case OVS_ACTION_ATTR_TRUNC: return sizeof(struct ovs_action_trunc); |
6b8da9e9 | 115 | case OVS_ACTION_ATTR_TUNNEL_PUSH: return ATTR_LEN_VARIABLE; |
a36de779 | 116 | case OVS_ACTION_ATTR_TUNNEL_POP: return sizeof(uint32_t); |
5dddf960 | 117 | case OVS_ACTION_ATTR_METER: return sizeof(uint32_t); |
6b8da9e9 | 118 | case OVS_ACTION_ATTR_USERSPACE: return ATTR_LEN_VARIABLE; |
fea393b1 BP |
119 | case OVS_ACTION_ATTR_PUSH_VLAN: return sizeof(struct ovs_action_push_vlan); |
120 | case OVS_ACTION_ATTR_POP_VLAN: return 0; | |
b02475c5 SH |
121 | case OVS_ACTION_ATTR_PUSH_MPLS: return sizeof(struct ovs_action_push_mpls); |
122 | case OVS_ACTION_ATTR_POP_MPLS: return sizeof(ovs_be16); | |
347bf289 AZ |
123 | case OVS_ACTION_ATTR_RECIRC: return sizeof(uint32_t); |
124 | case OVS_ACTION_ATTR_HASH: return sizeof(struct ovs_action_hash); | |
6b8da9e9 JG |
125 | case OVS_ACTION_ATTR_SET: return ATTR_LEN_VARIABLE; |
126 | case OVS_ACTION_ATTR_SET_MASKED: return ATTR_LEN_VARIABLE; | |
127 | case OVS_ACTION_ATTR_SAMPLE: return ATTR_LEN_VARIABLE; | |
07659514 | 128 | case OVS_ACTION_ATTR_CT: return ATTR_LEN_VARIABLE; |
6fcecb85 YY |
129 | case OVS_ACTION_ATTR_PUSH_ETH: return sizeof(struct ovs_action_push_eth); |
130 | case OVS_ACTION_ATTR_POP_ETH: return 0; | |
535e3acf | 131 | case OVS_ACTION_ATTR_CLONE: return ATTR_LEN_VARIABLE; |
df2c07f4 JP |
132 | |
133 | case OVS_ACTION_ATTR_UNSPEC: | |
134 | case __OVS_ACTION_ATTR_MAX: | |
6b8da9e9 | 135 | return ATTR_LEN_INVALID; |
cdee00fd BP |
136 | } |
137 | ||
6b8da9e9 | 138 | return ATTR_LEN_INVALID; |
cdee00fd BP |
139 | } |
140 | ||
e6603631 BP |
141 | /* Returns a string form of 'attr'. The return value is either a statically |
142 | * allocated constant string or the 'bufsize'-byte buffer 'namebuf'. 'bufsize' | |
143 | * should be at least OVS_KEY_ATTR_BUFSIZE. */ | |
144 | enum { OVS_KEY_ATTR_BUFSIZE = 3 + INT_STRLEN(unsigned int) + 1 }; | |
744791b5 | 145 | static const char * |
e6603631 | 146 | ovs_key_attr_to_string(enum ovs_key_attr attr, char *namebuf, size_t bufsize) |
744791b5 | 147 | { |
744791b5 BP |
148 | switch (attr) { |
149 | case OVS_KEY_ATTR_UNSPEC: return "unspec"; | |
fea393b1 | 150 | case OVS_KEY_ATTR_ENCAP: return "encap"; |
1b567fb9 | 151 | case OVS_KEY_ATTR_PRIORITY: return "skb_priority"; |
72e8bf28 | 152 | case OVS_KEY_ATTR_SKB_MARK: return "skb_mark"; |
07659514 JS |
153 | case OVS_KEY_ATTR_CT_STATE: return "ct_state"; |
154 | case OVS_KEY_ATTR_CT_ZONE: return "ct_zone"; | |
8e53fe8c | 155 | case OVS_KEY_ATTR_CT_MARK: return "ct_mark"; |
9daf2348 | 156 | case OVS_KEY_ATTR_CT_LABELS: return "ct_label"; |
c30b4cea JR |
157 | case OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV4: return "ct_tuple4"; |
158 | case OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV6: return "ct_tuple6"; | |
9b405f1a | 159 | case OVS_KEY_ATTR_TUNNEL: return "tunnel"; |
744791b5 BP |
160 | case OVS_KEY_ATTR_IN_PORT: return "in_port"; |
161 | case OVS_KEY_ATTR_ETHERNET: return "eth"; | |
fea393b1 | 162 | case OVS_KEY_ATTR_VLAN: return "vlan"; |
744791b5 BP |
163 | case OVS_KEY_ATTR_ETHERTYPE: return "eth_type"; |
164 | case OVS_KEY_ATTR_IPV4: return "ipv4"; | |
165 | case OVS_KEY_ATTR_IPV6: return "ipv6"; | |
166 | case OVS_KEY_ATTR_TCP: return "tcp"; | |
dc235f7f | 167 | case OVS_KEY_ATTR_TCP_FLAGS: return "tcp_flags"; |
744791b5 | 168 | case OVS_KEY_ATTR_UDP: return "udp"; |
c6bcb685 | 169 | case OVS_KEY_ATTR_SCTP: return "sctp"; |
744791b5 BP |
170 | case OVS_KEY_ATTR_ICMP: return "icmp"; |
171 | case OVS_KEY_ATTR_ICMPV6: return "icmpv6"; | |
172 | case OVS_KEY_ATTR_ARP: return "arp"; | |
173 | case OVS_KEY_ATTR_ND: return "nd"; | |
b02475c5 | 174 | case OVS_KEY_ATTR_MPLS: return "mpls"; |
572f732a AZ |
175 | case OVS_KEY_ATTR_DP_HASH: return "dp_hash"; |
176 | case OVS_KEY_ATTR_RECIRC_ID: return "recirc_id"; | |
beb75a40 | 177 | case OVS_KEY_ATTR_PACKET_TYPE: return "packet_type"; |
744791b5 BP |
178 | |
179 | case __OVS_KEY_ATTR_MAX: | |
180 | default: | |
e6603631 BP |
181 | snprintf(namebuf, bufsize, "key%u", (unsigned int) attr); |
182 | return namebuf; | |
744791b5 BP |
183 | } |
184 | } | |
185 | ||
cdee00fd BP |
186 | static void |
187 | format_generic_odp_action(struct ds *ds, const struct nlattr *a) | |
188 | { | |
8ba43fbd BP |
189 | size_t len = nl_attr_get_size(a); |
190 | ||
fd13c6b5 | 191 | ds_put_format(ds, "action%d", nl_attr_type(a)); |
8ba43fbd | 192 | if (len) { |
cdee00fd BP |
193 | const uint8_t *unspec; |
194 | unsigned int i; | |
195 | ||
196 | unspec = nl_attr_get(a); | |
8ba43fbd | 197 | for (i = 0; i < len; i++) { |
cdee00fd BP |
198 | ds_put_char(ds, i ? ' ': '('); |
199 | ds_put_format(ds, "%02x", unspec[i]); | |
200 | } | |
201 | ds_put_char(ds, ')'); | |
202 | } | |
203 | } | |
204 | ||
6ff686f2 | 205 | static void |
0722f341 BP |
206 | format_odp_sample_action(struct ds *ds, const struct nlattr *attr, |
207 | const struct hmap *portno_names) | |
6ff686f2 PS |
208 | { |
209 | static const struct nl_policy ovs_sample_policy[] = { | |
3548d242 BP |
210 | [OVS_SAMPLE_ATTR_PROBABILITY] = { .type = NL_A_U32 }, |
211 | [OVS_SAMPLE_ATTR_ACTIONS] = { .type = NL_A_NESTED } | |
6ff686f2 PS |
212 | }; |
213 | struct nlattr *a[ARRAY_SIZE(ovs_sample_policy)]; | |
6ff686f2 PS |
214 | double percentage; |
215 | const struct nlattr *nla_acts; | |
216 | int len; | |
217 | ||
218 | ds_put_cstr(ds, "sample"); | |
219 | ||
5621afff | 220 | if (!nl_parse_nested(attr, ovs_sample_policy, a, ARRAY_SIZE(a))) { |
6ff686f2 PS |
221 | ds_put_cstr(ds, "(error)"); |
222 | return; | |
223 | } | |
224 | ||
225 | percentage = (100.0 * nl_attr_get_u32(a[OVS_SAMPLE_ATTR_PROBABILITY])) / | |
226 | UINT32_MAX; | |
227 | ||
228 | ds_put_format(ds, "(sample=%.1f%%,", percentage); | |
229 | ||
230 | ds_put_cstr(ds, "actions("); | |
231 | nla_acts = nl_attr_get(a[OVS_SAMPLE_ATTR_ACTIONS]); | |
232 | len = nl_attr_get_size(a[OVS_SAMPLE_ATTR_ACTIONS]); | |
0722f341 | 233 | format_odp_actions(ds, nla_acts, len, portno_names); |
6ff686f2 PS |
234 | ds_put_format(ds, "))"); |
235 | } | |
236 | ||
535e3acf | 237 | static void |
0722f341 BP |
238 | format_odp_clone_action(struct ds *ds, const struct nlattr *attr, |
239 | const struct hmap *portno_names) | |
535e3acf AZ |
240 | { |
241 | const struct nlattr *nla_acts = nl_attr_get(attr); | |
242 | int len = nl_attr_get_size(attr); | |
243 | ||
244 | ds_put_cstr(ds, "clone"); | |
245 | ds_put_format(ds, "("); | |
0722f341 | 246 | format_odp_actions(ds, nla_acts, len, portno_names); |
535e3acf AZ |
247 | ds_put_format(ds, ")"); |
248 | } | |
249 | ||
6a7e895f | 250 | static const char * |
04594cd5 | 251 | slow_path_reason_to_string(uint32_t reason) |
6a7e895f | 252 | { |
04594cd5 BP |
253 | switch ((enum slow_path_reason) reason) { |
254 | #define SPR(ENUM, STRING, EXPLANATION) case ENUM: return STRING; | |
255 | SLOW_PATH_REASONS | |
256 | #undef SPR | |
6a7e895f | 257 | } |
04594cd5 BP |
258 | |
259 | return NULL; | |
6a7e895f BP |
260 | } |
261 | ||
04594cd5 BP |
262 | const char * |
263 | slow_path_reason_to_explanation(enum slow_path_reason reason) | |
98f0520f | 264 | { |
04594cd5 BP |
265 | switch (reason) { |
266 | #define SPR(ENUM, STRING, EXPLANATION) case ENUM: return EXPLANATION; | |
267 | SLOW_PATH_REASONS | |
268 | #undef SPR | |
98f0520f EJ |
269 | } |
270 | ||
04594cd5 | 271 | return "<unknown>"; |
98f0520f EJ |
272 | } |
273 | ||
ec956fc7 | 274 | static int |
8e4c1621 JG |
275 | parse_odp_flags(const char *s, const char *(*bit_to_string)(uint32_t), |
276 | uint32_t *res_flags, uint32_t allowed, uint32_t *res_mask) | |
ec956fc7 | 277 | { |
8e4c1621 JG |
278 | return parse_flags(s, bit_to_string, ')', NULL, NULL, |
279 | res_flags, allowed, res_mask); | |
6a7e895f BP |
280 | } |
281 | ||
98403001 | 282 | static void |
0722f341 BP |
283 | format_odp_userspace_action(struct ds *ds, const struct nlattr *attr, |
284 | const struct hmap *portno_names) | |
98403001 BP |
285 | { |
286 | static const struct nl_policy ovs_userspace_policy[] = { | |
3548d242 BP |
287 | [OVS_USERSPACE_ATTR_PID] = { .type = NL_A_U32 }, |
288 | [OVS_USERSPACE_ATTR_USERDATA] = { .type = NL_A_UNSPEC, | |
289 | .optional = true }, | |
8b7ea2d4 WZ |
290 | [OVS_USERSPACE_ATTR_EGRESS_TUN_PORT] = { .type = NL_A_U32, |
291 | .optional = true }, | |
7321bda3 NM |
292 | [OVS_USERSPACE_ATTR_ACTIONS] = { .type = NL_A_UNSPEC, |
293 | .optional = true }, | |
98403001 BP |
294 | }; |
295 | struct nlattr *a[ARRAY_SIZE(ovs_userspace_policy)]; | |
e995e3df | 296 | const struct nlattr *userdata_attr; |
8b7ea2d4 | 297 | const struct nlattr *tunnel_out_port_attr; |
98403001 BP |
298 | |
299 | if (!nl_parse_nested(attr, ovs_userspace_policy, a, ARRAY_SIZE(a))) { | |
300 | ds_put_cstr(ds, "userspace(error)"); | |
301 | return; | |
302 | } | |
303 | ||
304 | ds_put_format(ds, "userspace(pid=%"PRIu32, | |
305 | nl_attr_get_u32(a[OVS_USERSPACE_ATTR_PID])); | |
306 | ||
e995e3df | 307 | userdata_attr = a[OVS_USERSPACE_ATTR_USERDATA]; |
29089a54 RL |
308 | |
309 | if (userdata_attr) { | |
310 | const uint8_t *userdata = nl_attr_get(userdata_attr); | |
311 | size_t userdata_len = nl_attr_get_size(userdata_attr); | |
312 | bool userdata_unspec = true; | |
1673e0e4 | 313 | union user_action_cookie cookie; |
98403001 | 314 | |
29089a54 RL |
315 | if (userdata_len >= sizeof cookie.type |
316 | && userdata_len <= sizeof cookie) { | |
317 | ||
318 | memset(&cookie, 0, sizeof cookie); | |
319 | memcpy(&cookie, userdata, userdata_len); | |
320 | ||
321 | userdata_unspec = false; | |
322 | ||
323 | if (userdata_len == sizeof cookie.sflow | |
324 | && cookie.type == USER_ACTION_COOKIE_SFLOW) { | |
325 | ds_put_format(ds, ",sFlow(" | |
fd13c6b5 | 326 | "vid=%"PRIu16",pcp=%d,output=%"PRIu32")", |
29089a54 RL |
327 | vlan_tci_to_vid(cookie.sflow.vlan_tci), |
328 | vlan_tci_to_pcp(cookie.sflow.vlan_tci), | |
329 | cookie.sflow.output); | |
330 | } else if (userdata_len == sizeof cookie.slow_path | |
331 | && cookie.type == USER_ACTION_COOKIE_SLOW_PATH) { | |
04594cd5 BP |
332 | ds_put_cstr(ds, ",slow_path("); |
333 | format_flags(ds, slow_path_reason_to_string, | |
334 | cookie.slow_path.reason, ','); | |
335 | ds_put_format(ds, ")"); | |
29089a54 RL |
336 | } else if (userdata_len == sizeof cookie.flow_sample |
337 | && cookie.type == USER_ACTION_COOKIE_FLOW_SAMPLE) { | |
338 | ds_put_format(ds, ",flow_sample(probability=%"PRIu16 | |
339 | ",collector_set_id=%"PRIu32 | |
340 | ",obs_domain_id=%"PRIu32 | |
f69f713b | 341 | ",obs_point_id=%"PRIu32 |
0722f341 | 342 | ",output_port=", |
29089a54 RL |
343 | cookie.flow_sample.probability, |
344 | cookie.flow_sample.collector_set_id, | |
345 | cookie.flow_sample.obs_domain_id, | |
0722f341 BP |
346 | cookie.flow_sample.obs_point_id); |
347 | odp_portno_name_format(portno_names, | |
348 | cookie.flow_sample.output_odp_port, ds); | |
4930ea56 BP |
349 | if (cookie.flow_sample.direction == NX_ACTION_SAMPLE_INGRESS) { |
350 | ds_put_cstr(ds, ",ingress"); | |
351 | } else if (cookie.flow_sample.direction == NX_ACTION_SAMPLE_EGRESS) { | |
352 | ds_put_cstr(ds, ",egress"); | |
353 | } | |
354 | ds_put_char(ds, ')'); | |
b075a9b8 | 355 | } else if (userdata_len >= sizeof cookie.ipfix |
29089a54 | 356 | && cookie.type == USER_ACTION_COOKIE_IPFIX) { |
0722f341 BP |
357 | ds_put_format(ds, ",ipfix(output_port="); |
358 | odp_portno_name_format(portno_names, | |
359 | cookie.ipfix.output_odp_port, ds); | |
360 | ds_put_char(ds, ')'); | |
29089a54 RL |
361 | } else { |
362 | userdata_unspec = true; | |
363 | } | |
98403001 | 364 | } |
e995e3df | 365 | |
29089a54 RL |
366 | if (userdata_unspec) { |
367 | size_t i; | |
368 | ds_put_format(ds, ",userdata("); | |
369 | for (i = 0; i < userdata_len; i++) { | |
370 | ds_put_format(ds, "%02x", userdata[i]); | |
371 | } | |
372 | ds_put_char(ds, ')'); | |
e995e3df | 373 | } |
98403001 BP |
374 | } |
375 | ||
7321bda3 NM |
376 | if (a[OVS_USERSPACE_ATTR_ACTIONS]) { |
377 | ds_put_cstr(ds, ",actions"); | |
378 | } | |
379 | ||
8b7ea2d4 WZ |
380 | tunnel_out_port_attr = a[OVS_USERSPACE_ATTR_EGRESS_TUN_PORT]; |
381 | if (tunnel_out_port_attr) { | |
0722f341 BP |
382 | ds_put_format(ds, ",tunnel_out_port="); |
383 | odp_portno_name_format(portno_names, | |
384 | nl_attr_get_odp_port(tunnel_out_port_attr), ds); | |
8b7ea2d4 WZ |
385 | } |
386 | ||
98403001 BP |
387 | ds_put_char(ds, ')'); |
388 | } | |
389 | ||
8ddc056d | 390 | static void |
2d18eae8 | 391 | format_vlan_tci(struct ds *ds, ovs_be16 tci, ovs_be16 mask, bool verbose) |
8ddc056d | 392 | { |
2d18eae8 JR |
393 | if (verbose || vlan_tci_to_vid(tci) || vlan_tci_to_vid(mask)) { |
394 | ds_put_format(ds, "vid=%"PRIu16, vlan_tci_to_vid(tci)); | |
395 | if (vlan_tci_to_vid(mask) != VLAN_VID_MASK) { /* Partially masked. */ | |
396 | ds_put_format(ds, "/0x%"PRIx16, vlan_tci_to_vid(mask)); | |
397 | }; | |
398 | ds_put_char(ds, ','); | |
399 | } | |
400 | if (verbose || vlan_tci_to_pcp(tci) || vlan_tci_to_pcp(mask)) { | |
401 | ds_put_format(ds, "pcp=%d", vlan_tci_to_pcp(tci)); | |
402 | if (vlan_tci_to_pcp(mask) != (VLAN_PCP_MASK >> VLAN_PCP_SHIFT)) { | |
403 | ds_put_format(ds, "/0x%x", vlan_tci_to_pcp(mask)); | |
404 | } | |
405 | ds_put_char(ds, ','); | |
406 | } | |
407 | if (!(tci & htons(VLAN_CFI))) { | |
408 | ds_put_cstr(ds, "cfi=0"); | |
409 | ds_put_char(ds, ','); | |
8ddc056d | 410 | } |
2d18eae8 | 411 | ds_chomp(ds, ','); |
8ddc056d BP |
412 | } |
413 | ||
b02475c5 SH |
414 | static void |
415 | format_mpls_lse(struct ds *ds, ovs_be32 mpls_lse) | |
416 | { | |
417 | ds_put_format(ds, "label=%"PRIu32",tc=%d,ttl=%d,bos=%d", | |
418 | mpls_lse_to_label(mpls_lse), | |
419 | mpls_lse_to_tc(mpls_lse), | |
420 | mpls_lse_to_ttl(mpls_lse), | |
421 | mpls_lse_to_bos(mpls_lse)); | |
422 | } | |
423 | ||
e6cc0bab AZ |
424 | static void |
425 | format_mpls(struct ds *ds, const struct ovs_key_mpls *mpls_key, | |
8bfd0fda | 426 | const struct ovs_key_mpls *mpls_mask, int n) |
e6cc0bab | 427 | { |
8f79bb4d JR |
428 | for (int i = 0; i < n; i++) { |
429 | ovs_be32 key = mpls_key[i].mpls_lse; | |
e6cc0bab | 430 | |
8bfd0fda BP |
431 | if (mpls_mask == NULL) { |
432 | format_mpls_lse(ds, key); | |
433 | } else { | |
8f79bb4d | 434 | ovs_be32 mask = mpls_mask[i].mpls_lse; |
8bfd0fda BP |
435 | |
436 | ds_put_format(ds, "label=%"PRIu32"/0x%x,tc=%d/%x,ttl=%d/0x%x,bos=%d/%x", | |
437 | mpls_lse_to_label(key), mpls_lse_to_label(mask), | |
438 | mpls_lse_to_tc(key), mpls_lse_to_tc(mask), | |
439 | mpls_lse_to_ttl(key), mpls_lse_to_ttl(mask), | |
440 | mpls_lse_to_bos(key), mpls_lse_to_bos(mask)); | |
441 | } | |
8f79bb4d | 442 | ds_put_char(ds, ','); |
e6cc0bab | 443 | } |
8f79bb4d | 444 | ds_chomp(ds, ','); |
e6cc0bab AZ |
445 | } |
446 | ||
572f732a | 447 | static void |
347bf289 | 448 | format_odp_recirc_action(struct ds *ds, uint32_t recirc_id) |
572f732a | 449 | { |
8f19f0a7 | 450 | ds_put_format(ds, "recirc(%#"PRIx32")", recirc_id); |
347bf289 | 451 | } |
572f732a | 452 | |
347bf289 AZ |
453 | static void |
454 | format_odp_hash_action(struct ds *ds, const struct ovs_action_hash *hash_act) | |
455 | { | |
456 | ds_put_format(ds, "hash("); | |
572f732a | 457 | |
347bf289 | 458 | if (hash_act->hash_alg == OVS_HASH_ALG_L4) { |
62ac1f20 | 459 | ds_put_format(ds, "hash_l4(%"PRIu32")", hash_act->hash_basis); |
347bf289 AZ |
460 | } else { |
461 | ds_put_format(ds, "Unknown hash algorithm(%"PRIu32")", | |
462 | hash_act->hash_alg); | |
463 | } | |
464 | ds_put_format(ds, ")"); | |
572f732a AZ |
465 | } |
466 | ||
e066f78f | 467 | static const void * |
370e373b | 468 | format_udp_tnl_push_header(struct ds *ds, const struct udp_header *udp) |
e066f78f | 469 | { |
8e45fe7c JG |
470 | ds_put_format(ds, "udp(src=%"PRIu16",dst=%"PRIu16",csum=0x%"PRIx16"),", |
471 | ntohs(udp->udp_src), ntohs(udp->udp_dst), | |
472 | ntohs(udp->udp_csum)); | |
e066f78f JG |
473 | |
474 | return udp + 1; | |
475 | } | |
476 | ||
a36de779 PS |
477 | static void |
478 | format_odp_tnl_push_header(struct ds *ds, struct ovs_action_push_tnl *data) | |
479 | { | |
480 | const struct eth_header *eth; | |
a36de779 | 481 | const void *l3; |
370e373b TLSC |
482 | const void *l4; |
483 | const struct udp_header *udp; | |
a36de779 PS |
484 | |
485 | eth = (const struct eth_header *)data->header; | |
486 | ||
487 | l3 = eth + 1; | |
a36de779 PS |
488 | |
489 | /* Ethernet */ | |
fd13c6b5 | 490 | ds_put_format(ds, "header(size=%"PRIu32",type=%"PRIu32",eth(dst=", |
a36de779 PS |
491 | data->header_len, data->tnl_type); |
492 | ds_put_format(ds, ETH_ADDR_FMT, ETH_ADDR_ARGS(eth->eth_dst)); | |
493 | ds_put_format(ds, ",src="); | |
494 | ds_put_format(ds, ETH_ADDR_FMT, ETH_ADDR_ARGS(eth->eth_src)); | |
495 | ds_put_format(ds, ",dl_type=0x%04"PRIx16"),", ntohs(eth->eth_type)); | |
496 | ||
370e373b TLSC |
497 | if (eth->eth_type == htons(ETH_TYPE_IP)) { |
498 | /* IPv4 */ | |
8568c7a5 | 499 | const struct ip_header *ip = l3; |
370e373b TLSC |
500 | ds_put_format(ds, "ipv4(src="IP_FMT",dst="IP_FMT",proto=%"PRIu8 |
501 | ",tos=%#"PRIx8",ttl=%"PRIu8",frag=0x%"PRIx16"),", | |
502 | IP_ARGS(get_16aligned_be32(&ip->ip_src)), | |
503 | IP_ARGS(get_16aligned_be32(&ip->ip_dst)), | |
504 | ip->ip_proto, ip->ip_tos, | |
505 | ip->ip_ttl, | |
fa47c114 | 506 | ntohs(ip->ip_frag_off)); |
370e373b TLSC |
507 | l4 = (ip + 1); |
508 | } else { | |
8568c7a5 BP |
509 | const struct ovs_16aligned_ip6_hdr *ip6 = l3; |
510 | struct in6_addr src, dst; | |
511 | memcpy(&src, &ip6->ip6_src, sizeof src); | |
512 | memcpy(&dst, &ip6->ip6_dst, sizeof dst); | |
513 | uint32_t ipv6_flow = ntohl(get_16aligned_be32(&ip6->ip6_flow)); | |
514 | ||
370e373b | 515 | ds_put_format(ds, "ipv6(src="); |
8568c7a5 | 516 | ipv6_format_addr(&src, ds); |
370e373b | 517 | ds_put_format(ds, ",dst="); |
8568c7a5 | 518 | ipv6_format_addr(&dst, ds); |
fd13c6b5 | 519 | ds_put_format(ds, ",label=%i,proto=%"PRIu8",tclass=0x%"PRIx32 |
370e373b | 520 | ",hlimit=%"PRIu8"),", |
8568c7a5 BP |
521 | ipv6_flow & IPV6_LABEL_MASK, ip6->ip6_nxt, |
522 | (ipv6_flow >> 20) & 0xff, ip6->ip6_hlim); | |
370e373b TLSC |
523 | l4 = (ip6 + 1); |
524 | } | |
525 | ||
526 | udp = (const struct udp_header *) l4; | |
a36de779 PS |
527 | |
528 | if (data->tnl_type == OVS_VPORT_TYPE_VXLAN) { | |
529 | const struct vxlanhdr *vxh; | |
a36de779 | 530 | |
370e373b | 531 | vxh = format_udp_tnl_push_header(ds, udp); |
a36de779 | 532 | |
a36de779 PS |
533 | ds_put_format(ds, "vxlan(flags=0x%"PRIx32",vni=0x%"PRIx32")", |
534 | ntohl(get_16aligned_be32(&vxh->vx_flags)), | |
a92a3aae | 535 | ntohl(get_16aligned_be32(&vxh->vx_vni)) >> 8); |
e5a1caee JG |
536 | } else if (data->tnl_type == OVS_VPORT_TYPE_GENEVE) { |
537 | const struct genevehdr *gnh; | |
538 | ||
370e373b | 539 | gnh = format_udp_tnl_push_header(ds, udp); |
e5a1caee | 540 | |
5bb08b0e | 541 | ds_put_format(ds, "geneve(%s%svni=0x%"PRIx32, |
e5a1caee | 542 | gnh->oam ? "oam," : "", |
5bb08b0e | 543 | gnh->critical ? "crit," : "", |
e5a1caee | 544 | ntohl(get_16aligned_be32(&gnh->vni)) >> 8); |
5bb08b0e JG |
545 | |
546 | if (gnh->opt_len) { | |
547 | ds_put_cstr(ds, ",options("); | |
548 | format_geneve_opts(gnh->options, NULL, gnh->opt_len * 4, | |
549 | ds, false); | |
550 | ds_put_char(ds, ')'); | |
551 | } | |
552 | ||
553 | ds_put_char(ds, ')'); | |
a36de779 PS |
554 | } else if (data->tnl_type == OVS_VPORT_TYPE_GRE) { |
555 | const struct gre_base_hdr *greh; | |
556 | ovs_16aligned_be32 *options; | |
a36de779 | 557 | |
a36de779 PS |
558 | greh = (const struct gre_base_hdr *) l4; |
559 | ||
560 | ds_put_format(ds, "gre((flags=0x%"PRIx16",proto=0x%"PRIx16")", | |
e8fe6ad0 | 561 | ntohs(greh->flags), ntohs(greh->protocol)); |
a36de779 PS |
562 | options = (ovs_16aligned_be32 *)(greh + 1); |
563 | if (greh->flags & htons(GRE_CSUM)) { | |
d804d31e | 564 | ds_put_format(ds, ",csum=0x%"PRIx16, ntohs(*((ovs_be16 *)options))); |
a36de779 PS |
565 | options++; |
566 | } | |
567 | if (greh->flags & htons(GRE_KEY)) { | |
568 | ds_put_format(ds, ",key=0x%"PRIx32, ntohl(get_16aligned_be32(options))); | |
569 | options++; | |
570 | } | |
571 | if (greh->flags & htons(GRE_SEQ)) { | |
572 | ds_put_format(ds, ",seq=0x%"PRIx32, ntohl(get_16aligned_be32(options))); | |
573 | options++; | |
574 | } | |
575 | ds_put_format(ds, ")"); | |
576 | } | |
577 | ds_put_format(ds, ")"); | |
578 | } | |
579 | ||
580 | static void | |
0722f341 BP |
581 | format_odp_tnl_push_action(struct ds *ds, const struct nlattr *attr, |
582 | const struct hmap *portno_names) | |
a36de779 PS |
583 | { |
584 | struct ovs_action_push_tnl *data; | |
585 | ||
586 | data = (struct ovs_action_push_tnl *) nl_attr_get(attr); | |
587 | ||
0722f341 BP |
588 | ds_put_cstr(ds, "tnl_push(tnl_port("); |
589 | odp_portno_name_format(portno_names, data->tnl_port, ds); | |
590 | ds_put_cstr(ds, "),"); | |
a36de779 | 591 | format_odp_tnl_push_header(ds, data); |
0722f341 BP |
592 | ds_put_format(ds, ",out_port("); |
593 | odp_portno_name_format(portno_names, data->out_port, ds); | |
594 | ds_put_cstr(ds, "))"); | |
a36de779 PS |
595 | } |
596 | ||
9ac0aada JR |
597 | static const struct nl_policy ovs_nat_policy[] = { |
598 | [OVS_NAT_ATTR_SRC] = { .type = NL_A_FLAG, .optional = true, }, | |
599 | [OVS_NAT_ATTR_DST] = { .type = NL_A_FLAG, .optional = true, }, | |
600 | [OVS_NAT_ATTR_IP_MIN] = { .type = NL_A_UNSPEC, .optional = true, | |
601 | .min_len = sizeof(struct in_addr), | |
602 | .max_len = sizeof(struct in6_addr)}, | |
603 | [OVS_NAT_ATTR_IP_MAX] = { .type = NL_A_UNSPEC, .optional = true, | |
604 | .min_len = sizeof(struct in_addr), | |
605 | .max_len = sizeof(struct in6_addr)}, | |
606 | [OVS_NAT_ATTR_PROTO_MIN] = { .type = NL_A_U16, .optional = true, }, | |
607 | [OVS_NAT_ATTR_PROTO_MAX] = { .type = NL_A_U16, .optional = true, }, | |
608 | [OVS_NAT_ATTR_PERSISTENT] = { .type = NL_A_FLAG, .optional = true, }, | |
609 | [OVS_NAT_ATTR_PROTO_HASH] = { .type = NL_A_FLAG, .optional = true, }, | |
610 | [OVS_NAT_ATTR_PROTO_RANDOM] = { .type = NL_A_FLAG, .optional = true, }, | |
611 | }; | |
612 | ||
613 | static void | |
614 | format_odp_ct_nat(struct ds *ds, const struct nlattr *attr) | |
615 | { | |
616 | struct nlattr *a[ARRAY_SIZE(ovs_nat_policy)]; | |
617 | size_t addr_len; | |
618 | ovs_be32 ip_min, ip_max; | |
619 | struct in6_addr ip6_min, ip6_max; | |
620 | uint16_t proto_min, proto_max; | |
621 | ||
622 | if (!nl_parse_nested(attr, ovs_nat_policy, a, ARRAY_SIZE(a))) { | |
623 | ds_put_cstr(ds, "nat(error: nl_parse_nested() failed.)"); | |
624 | return; | |
625 | } | |
626 | /* If no type, then nothing else either. */ | |
627 | if (!(a[OVS_NAT_ATTR_SRC] || a[OVS_NAT_ATTR_DST]) | |
628 | && (a[OVS_NAT_ATTR_IP_MIN] || a[OVS_NAT_ATTR_IP_MAX] | |
629 | || a[OVS_NAT_ATTR_PROTO_MIN] || a[OVS_NAT_ATTR_PROTO_MAX] | |
630 | || a[OVS_NAT_ATTR_PERSISTENT] || a[OVS_NAT_ATTR_PROTO_HASH] | |
631 | || a[OVS_NAT_ATTR_PROTO_RANDOM])) { | |
632 | ds_put_cstr(ds, "nat(error: options allowed only with \"src\" or \"dst\")"); | |
633 | return; | |
634 | } | |
635 | /* Both SNAT & DNAT may not be specified. */ | |
636 | if (a[OVS_NAT_ATTR_SRC] && a[OVS_NAT_ATTR_DST]) { | |
637 | ds_put_cstr(ds, "nat(error: Only one of \"src\" or \"dst\" may be present.)"); | |
638 | return; | |
639 | } | |
640 | /* proto may not appear without ip. */ | |
641 | if (!a[OVS_NAT_ATTR_IP_MIN] && a[OVS_NAT_ATTR_PROTO_MIN]) { | |
642 | ds_put_cstr(ds, "nat(error: proto but no IP.)"); | |
643 | return; | |
644 | } | |
645 | /* MAX may not appear without MIN. */ | |
646 | if ((!a[OVS_NAT_ATTR_IP_MIN] && a[OVS_NAT_ATTR_IP_MAX]) | |
647 | || (!a[OVS_NAT_ATTR_PROTO_MIN] && a[OVS_NAT_ATTR_PROTO_MAX])) { | |
648 | ds_put_cstr(ds, "nat(error: range max without min.)"); | |
649 | return; | |
650 | } | |
651 | /* Address sizes must match. */ | |
652 | if ((a[OVS_NAT_ATTR_IP_MIN] | |
653 | && (nl_attr_get_size(a[OVS_NAT_ATTR_IP_MIN]) != sizeof(ovs_be32) && | |
654 | nl_attr_get_size(a[OVS_NAT_ATTR_IP_MIN]) != sizeof(struct in6_addr))) | |
655 | || (a[OVS_NAT_ATTR_IP_MIN] && a[OVS_NAT_ATTR_IP_MAX] | |
656 | && (nl_attr_get_size(a[OVS_NAT_ATTR_IP_MIN]) | |
657 | != nl_attr_get_size(a[OVS_NAT_ATTR_IP_MAX])))) { | |
658 | ds_put_cstr(ds, "nat(error: IP address sizes do not match)"); | |
659 | return; | |
660 | } | |
661 | ||
662 | addr_len = a[OVS_NAT_ATTR_IP_MIN] | |
663 | ? nl_attr_get_size(a[OVS_NAT_ATTR_IP_MIN]) : 0; | |
664 | ip_min = addr_len == sizeof(ovs_be32) && a[OVS_NAT_ATTR_IP_MIN] | |
665 | ? nl_attr_get_be32(a[OVS_NAT_ATTR_IP_MIN]) : 0; | |
666 | ip_max = addr_len == sizeof(ovs_be32) && a[OVS_NAT_ATTR_IP_MAX] | |
667 | ? nl_attr_get_be32(a[OVS_NAT_ATTR_IP_MAX]) : 0; | |
668 | if (addr_len == sizeof ip6_min) { | |
669 | ip6_min = a[OVS_NAT_ATTR_IP_MIN] | |
670 | ? *(struct in6_addr *)nl_attr_get(a[OVS_NAT_ATTR_IP_MIN]) | |
671 | : in6addr_any; | |
672 | ip6_max = a[OVS_NAT_ATTR_IP_MAX] | |
673 | ? *(struct in6_addr *)nl_attr_get(a[OVS_NAT_ATTR_IP_MAX]) | |
674 | : in6addr_any; | |
675 | } | |
676 | proto_min = a[OVS_NAT_ATTR_PROTO_MIN] | |
677 | ? nl_attr_get_u16(a[OVS_NAT_ATTR_PROTO_MIN]) : 0; | |
678 | proto_max = a[OVS_NAT_ATTR_PROTO_MAX] | |
679 | ? nl_attr_get_u16(a[OVS_NAT_ATTR_PROTO_MAX]) : 0; | |
680 | ||
681 | if ((addr_len == sizeof(ovs_be32) | |
682 | && ip_max && ntohl(ip_min) > ntohl(ip_max)) | |
683 | || (addr_len == sizeof(struct in6_addr) | |
684 | && !ipv6_mask_is_any(&ip6_max) | |
685 | && memcmp(&ip6_min, &ip6_max, sizeof ip6_min) > 0) | |
686 | || (proto_max && proto_min > proto_max)) { | |
687 | ds_put_cstr(ds, "nat(range error)"); | |
688 | return; | |
689 | } | |
690 | ||
691 | ds_put_cstr(ds, "nat"); | |
692 | if (a[OVS_NAT_ATTR_SRC] || a[OVS_NAT_ATTR_DST]) { | |
693 | ds_put_char(ds, '('); | |
694 | if (a[OVS_NAT_ATTR_SRC]) { | |
695 | ds_put_cstr(ds, "src"); | |
696 | } else if (a[OVS_NAT_ATTR_DST]) { | |
697 | ds_put_cstr(ds, "dst"); | |
698 | } | |
699 | ||
700 | if (addr_len > 0) { | |
701 | ds_put_cstr(ds, "="); | |
702 | ||
703 | if (addr_len == sizeof ip_min) { | |
704 | ds_put_format(ds, IP_FMT, IP_ARGS(ip_min)); | |
705 | ||
706 | if (ip_max && ip_max != ip_min) { | |
707 | ds_put_format(ds, "-"IP_FMT, IP_ARGS(ip_max)); | |
708 | } | |
709 | } else if (addr_len == sizeof ip6_min) { | |
710 | ipv6_format_addr_bracket(&ip6_min, ds, proto_min); | |
711 | ||
712 | if (!ipv6_mask_is_any(&ip6_max) && | |
713 | memcmp(&ip6_max, &ip6_min, sizeof ip6_max) != 0) { | |
714 | ds_put_char(ds, '-'); | |
715 | ipv6_format_addr_bracket(&ip6_max, ds, proto_min); | |
716 | } | |
717 | } | |
718 | if (proto_min) { | |
719 | ds_put_format(ds, ":%"PRIu16, proto_min); | |
720 | ||
721 | if (proto_max && proto_max != proto_min) { | |
722 | ds_put_format(ds, "-%"PRIu16, proto_max); | |
723 | } | |
724 | } | |
725 | } | |
726 | ds_put_char(ds, ','); | |
727 | if (a[OVS_NAT_ATTR_PERSISTENT]) { | |
728 | ds_put_cstr(ds, "persistent,"); | |
729 | } | |
730 | if (a[OVS_NAT_ATTR_PROTO_HASH]) { | |
731 | ds_put_cstr(ds, "hash,"); | |
732 | } | |
733 | if (a[OVS_NAT_ATTR_PROTO_RANDOM]) { | |
734 | ds_put_cstr(ds, "random,"); | |
735 | } | |
736 | ds_chomp(ds, ','); | |
737 | ds_put_char(ds, ')'); | |
738 | } | |
739 | } | |
740 | ||
07659514 JS |
741 | static const struct nl_policy ovs_conntrack_policy[] = { |
742 | [OVS_CT_ATTR_COMMIT] = { .type = NL_A_FLAG, .optional = true, }, | |
a76a37ef | 743 | [OVS_CT_ATTR_FORCE_COMMIT] = { .type = NL_A_FLAG, .optional = true, }, |
07659514 | 744 | [OVS_CT_ATTR_ZONE] = { .type = NL_A_U16, .optional = true, }, |
8e53fe8c JS |
745 | [OVS_CT_ATTR_MARK] = { .type = NL_A_UNSPEC, .optional = true, |
746 | .min_len = sizeof(uint32_t) * 2 }, | |
9daf2348 JS |
747 | [OVS_CT_ATTR_LABELS] = { .type = NL_A_UNSPEC, .optional = true, |
748 | .min_len = sizeof(struct ovs_key_ct_labels) * 2 }, | |
d787ad39 JS |
749 | [OVS_CT_ATTR_HELPER] = { .type = NL_A_STRING, .optional = true, |
750 | .min_len = 1, .max_len = 16 }, | |
9ac0aada | 751 | [OVS_CT_ATTR_NAT] = { .type = NL_A_UNSPEC, .optional = true }, |
07659514 JS |
752 | }; |
753 | ||
754 | static void | |
755 | format_odp_conntrack_action(struct ds *ds, const struct nlattr *attr) | |
756 | { | |
757 | struct nlattr *a[ARRAY_SIZE(ovs_conntrack_policy)]; | |
89cf41ec BP |
758 | const struct { |
759 | ovs_32aligned_u128 value; | |
760 | ovs_32aligned_u128 mask; | |
761 | } *label; | |
8e53fe8c | 762 | const uint32_t *mark; |
d787ad39 | 763 | const char *helper; |
07659514 | 764 | uint16_t zone; |
a76a37ef | 765 | bool commit, force; |
9ac0aada | 766 | const struct nlattr *nat; |
07659514 JS |
767 | |
768 | if (!nl_parse_nested(attr, ovs_conntrack_policy, a, ARRAY_SIZE(a))) { | |
769 | ds_put_cstr(ds, "ct(error)"); | |
770 | return; | |
771 | } | |
772 | ||
773 | commit = a[OVS_CT_ATTR_COMMIT] ? true : false; | |
a76a37ef | 774 | force = a[OVS_CT_ATTR_FORCE_COMMIT] ? true : false; |
07659514 | 775 | zone = a[OVS_CT_ATTR_ZONE] ? nl_attr_get_u16(a[OVS_CT_ATTR_ZONE]) : 0; |
8e53fe8c | 776 | mark = a[OVS_CT_ATTR_MARK] ? nl_attr_get(a[OVS_CT_ATTR_MARK]) : NULL; |
9daf2348 | 777 | label = a[OVS_CT_ATTR_LABELS] ? nl_attr_get(a[OVS_CT_ATTR_LABELS]): NULL; |
d787ad39 | 778 | helper = a[OVS_CT_ATTR_HELPER] ? nl_attr_get(a[OVS_CT_ATTR_HELPER]) : NULL; |
9ac0aada | 779 | nat = a[OVS_CT_ATTR_NAT]; |
07659514 JS |
780 | |
781 | ds_put_format(ds, "ct"); | |
a76a37ef | 782 | if (commit || force || zone || mark || label || helper || nat) { |
07659514 JS |
783 | ds_put_cstr(ds, "("); |
784 | if (commit) { | |
785 | ds_put_format(ds, "commit,"); | |
786 | } | |
a76a37ef JR |
787 | if (force) { |
788 | ds_put_format(ds, "force_commit,"); | |
789 | } | |
07659514 JS |
790 | if (zone) { |
791 | ds_put_format(ds, "zone=%"PRIu16",", zone); | |
792 | } | |
8e53fe8c JS |
793 | if (mark) { |
794 | ds_put_format(ds, "mark=%#"PRIx32"/%#"PRIx32",", *mark, | |
795 | *(mark + 1)); | |
796 | } | |
9daf2348 JS |
797 | if (label) { |
798 | ds_put_format(ds, "label="); | |
89cf41ec | 799 | format_u128(ds, &label->value, &label->mask, true); |
121cf327 | 800 | ds_put_char(ds, ','); |
9daf2348 | 801 | } |
d787ad39 JS |
802 | if (helper) { |
803 | ds_put_format(ds, "helper=%s,", helper); | |
804 | } | |
9ac0aada JR |
805 | if (nat) { |
806 | format_odp_ct_nat(ds, nat); | |
807 | } | |
07659514 JS |
808 | ds_chomp(ds, ','); |
809 | ds_put_cstr(ds, ")"); | |
810 | } | |
811 | } | |
812 | ||
4edb9ae9 | 813 | static void |
0722f341 BP |
814 | format_odp_action(struct ds *ds, const struct nlattr *a, |
815 | const struct hmap *portno_names) | |
064af421 | 816 | { |
98403001 | 817 | int expected_len; |
4edb9ae9 | 818 | enum ovs_action_attr type = nl_attr_type(a); |
6d670e7f | 819 | size_t size; |
cdee00fd | 820 | |
98403001 | 821 | expected_len = odp_action_len(nl_attr_type(a)); |
6b8da9e9 JG |
822 | if (expected_len != ATTR_LEN_VARIABLE && |
823 | nl_attr_get_size(a) != expected_len) { | |
34582733 | 824 | ds_put_format(ds, "bad length %"PRIuSIZE", expected %d for: ", |
98403001 | 825 | nl_attr_get_size(a), expected_len); |
cdee00fd BP |
826 | format_generic_odp_action(ds, a); |
827 | return; | |
828 | } | |
829 | ||
4edb9ae9 | 830 | switch (type) { |
5dddf960 JR |
831 | case OVS_ACTION_ATTR_METER: |
832 | ds_put_format(ds, "meter(%"PRIu32")", nl_attr_get_u32(a)); | |
833 | break; | |
df2c07f4 | 834 | case OVS_ACTION_ATTR_OUTPUT: |
0722f341 | 835 | odp_portno_name_format(portno_names, nl_attr_get_odp_port(a), ds); |
064af421 | 836 | break; |
aaca4fe0 WT |
837 | case OVS_ACTION_ATTR_TRUNC: { |
838 | const struct ovs_action_trunc *trunc = | |
839 | nl_attr_get_unspec(a, sizeof *trunc); | |
840 | ||
841 | ds_put_format(ds, "trunc(%"PRIu32")", trunc->max_len); | |
842 | break; | |
843 | } | |
a36de779 | 844 | case OVS_ACTION_ATTR_TUNNEL_POP: |
0722f341 BP |
845 | ds_put_cstr(ds, "tnl_pop("); |
846 | odp_portno_name_format(portno_names, nl_attr_get_odp_port(a), ds); | |
847 | ds_put_char(ds, ')'); | |
a36de779 PS |
848 | break; |
849 | case OVS_ACTION_ATTR_TUNNEL_PUSH: | |
0722f341 | 850 | format_odp_tnl_push_action(ds, a, portno_names); |
a36de779 | 851 | break; |
df2c07f4 | 852 | case OVS_ACTION_ATTR_USERSPACE: |
0722f341 | 853 | format_odp_userspace_action(ds, a, portno_names); |
064af421 | 854 | break; |
572f732a | 855 | case OVS_ACTION_ATTR_RECIRC: |
347bf289 AZ |
856 | format_odp_recirc_action(ds, nl_attr_get_u32(a)); |
857 | break; | |
858 | case OVS_ACTION_ATTR_HASH: | |
859 | format_odp_hash_action(ds, nl_attr_get(a)); | |
572f732a | 860 | break; |
6d670e7f JR |
861 | case OVS_ACTION_ATTR_SET_MASKED: |
862 | a = nl_attr_get(a); | |
863 | size = nl_attr_get_size(a) / 2; | |
864 | ds_put_cstr(ds, "set("); | |
865 | ||
866 | /* Masked set action not supported for tunnel key, which is bigger. */ | |
867 | if (size <= sizeof(struct ovs_key_ipv6)) { | |
868 | struct nlattr attr[1 + DIV_ROUND_UP(sizeof(struct ovs_key_ipv6), | |
869 | sizeof(struct nlattr))]; | |
870 | struct nlattr mask[1 + DIV_ROUND_UP(sizeof(struct ovs_key_ipv6), | |
871 | sizeof(struct nlattr))]; | |
872 | ||
873 | mask->nla_type = attr->nla_type = nl_attr_type(a); | |
874 | mask->nla_len = attr->nla_len = NLA_HDRLEN + size; | |
875 | memcpy(attr + 1, (char *)(a + 1), size); | |
876 | memcpy(mask + 1, (char *)(a + 1) + size, size); | |
2d18eae8 | 877 | format_odp_key_attr(attr, mask, NULL, ds, false); |
6d670e7f | 878 | } else { |
2d18eae8 | 879 | format_odp_key_attr(a, NULL, NULL, ds, false); |
6d670e7f JR |
880 | } |
881 | ds_put_cstr(ds, ")"); | |
882 | break; | |
4edb9ae9 PS |
883 | case OVS_ACTION_ATTR_SET: |
884 | ds_put_cstr(ds, "set("); | |
0a37839c | 885 | format_odp_key_attr(nl_attr_get(a), NULL, NULL, ds, true); |
4edb9ae9 | 886 | ds_put_cstr(ds, ")"); |
6fcecb85 YY |
887 | break; |
888 | case OVS_ACTION_ATTR_PUSH_ETH: { | |
889 | const struct ovs_action_push_eth *eth = nl_attr_get(a); | |
890 | ds_put_format(ds, "push_eth(src="ETH_ADDR_FMT",dst="ETH_ADDR_FMT")", | |
891 | ETH_ADDR_ARGS(eth->addresses.eth_src), | |
892 | ETH_ADDR_ARGS(eth->addresses.eth_dst)); | |
893 | break; | |
894 | } | |
895 | case OVS_ACTION_ATTR_POP_ETH: | |
896 | ds_put_cstr(ds, "pop_eth"); | |
064af421 | 897 | break; |
66026437 SH |
898 | case OVS_ACTION_ATTR_PUSH_VLAN: { |
899 | const struct ovs_action_push_vlan *vlan = nl_attr_get(a); | |
fea393b1 BP |
900 | ds_put_cstr(ds, "push_vlan("); |
901 | if (vlan->vlan_tpid != htons(ETH_TYPE_VLAN)) { | |
902 | ds_put_format(ds, "tpid=0x%04"PRIx16",", ntohs(vlan->vlan_tpid)); | |
903 | } | |
2d18eae8 | 904 | format_vlan_tci(ds, vlan->vlan_tci, OVS_BE16_MAX, false); |
8ddc056d | 905 | ds_put_char(ds, ')'); |
064af421 | 906 | break; |
66026437 | 907 | } |
fea393b1 BP |
908 | case OVS_ACTION_ATTR_POP_VLAN: |
909 | ds_put_cstr(ds, "pop_vlan"); | |
064af421 | 910 | break; |
b02475c5 SH |
911 | case OVS_ACTION_ATTR_PUSH_MPLS: { |
912 | const struct ovs_action_push_mpls *mpls = nl_attr_get(a); | |
913 | ds_put_cstr(ds, "push_mpls("); | |
914 | format_mpls_lse(ds, mpls->mpls_lse); | |
915 | ds_put_format(ds, ",eth_type=0x%"PRIx16")", ntohs(mpls->mpls_ethertype)); | |
916 | break; | |
917 | } | |
918 | case OVS_ACTION_ATTR_POP_MPLS: { | |
919 | ovs_be16 ethertype = nl_attr_get_be16(a); | |
920 | ds_put_format(ds, "pop_mpls(eth_type=0x%"PRIx16")", ntohs(ethertype)); | |
921 | break; | |
922 | } | |
6ff686f2 | 923 | case OVS_ACTION_ATTR_SAMPLE: |
0722f341 | 924 | format_odp_sample_action(ds, a, portno_names); |
6ff686f2 | 925 | break; |
07659514 JS |
926 | case OVS_ACTION_ATTR_CT: |
927 | format_odp_conntrack_action(ds, a); | |
928 | break; | |
535e3acf | 929 | case OVS_ACTION_ATTR_CLONE: |
0722f341 | 930 | format_odp_clone_action(ds, a, portno_names); |
535e3acf | 931 | break; |
4edb9ae9 PS |
932 | case OVS_ACTION_ATTR_UNSPEC: |
933 | case __OVS_ACTION_ATTR_MAX: | |
064af421 | 934 | default: |
cdee00fd | 935 | format_generic_odp_action(ds, a); |
064af421 BP |
936 | break; |
937 | } | |
938 | } | |
939 | ||
940 | void | |
cdee00fd | 941 | format_odp_actions(struct ds *ds, const struct nlattr *actions, |
0722f341 | 942 | size_t actions_len, const struct hmap *portno_names) |
064af421 | 943 | { |
cdee00fd BP |
944 | if (actions_len) { |
945 | const struct nlattr *a; | |
946 | unsigned int left; | |
947 | ||
948 | NL_ATTR_FOR_EACH (a, left, actions, actions_len) { | |
949 | if (a != actions) { | |
950 | ds_put_char(ds, ','); | |
951 | } | |
0722f341 | 952 | format_odp_action(ds, a, portno_names); |
064af421 | 953 | } |
cdee00fd | 954 | if (left) { |
3a8cfc50 BP |
955 | int i; |
956 | ||
3476fce3 BP |
957 | if (left == actions_len) { |
958 | ds_put_cstr(ds, "<empty>"); | |
959 | } | |
3a8cfc50 BP |
960 | ds_put_format(ds, ",***%u leftover bytes*** (", left); |
961 | for (i = 0; i < left; i++) { | |
962 | ds_put_format(ds, "%02x", ((const uint8_t *) a)[i]); | |
963 | } | |
964 | ds_put_char(ds, ')'); | |
cdee00fd BP |
965 | } |
966 | } else { | |
064af421 BP |
967 | ds_put_cstr(ds, "drop"); |
968 | } | |
969 | } | |
7202cbe5 | 970 | |
8b7ea2d4 | 971 | /* Separate out parse_odp_userspace_action() function. */ |
7202cbe5 | 972 | static int |
8b7ea2d4 | 973 | parse_odp_userspace_action(const char *s, struct ofpbuf *actions) |
7202cbe5 | 974 | { |
8b7ea2d4 WZ |
975 | uint32_t pid; |
976 | union user_action_cookie cookie; | |
977 | struct ofpbuf buf; | |
978 | odp_port_t tunnel_out_port; | |
979 | int n = -1; | |
980 | void *user_data = NULL; | |
981 | size_t user_data_size = 0; | |
7321bda3 | 982 | bool include_actions = false; |
9d4e54c6 | 983 | int res; |
8b7ea2d4 WZ |
984 | |
985 | if (!ovs_scan(s, "userspace(pid=%"SCNi32"%n", &pid, &n)) { | |
986 | return -EINVAL; | |
7202cbe5 BP |
987 | } |
988 | ||
9d4e54c6 WT |
989 | ofpbuf_init(&buf, 16); |
990 | ||
7202cbe5 | 991 | { |
c2c28dfd BP |
992 | uint32_t output; |
993 | uint32_t probability; | |
994 | uint32_t collector_set_id; | |
995 | uint32_t obs_domain_id; | |
996 | uint32_t obs_point_id; | |
7202cbe5 | 997 | int vid, pcp; |
8b7ea2d4 WZ |
998 | int n1 = -1; |
999 | if (ovs_scan(&s[n], ",sFlow(vid=%i," | |
1000 | "pcp=%i,output=%"SCNi32")%n", | |
1001 | &vid, &pcp, &output, &n1)) { | |
7202cbe5 BP |
1002 | uint16_t tci; |
1003 | ||
8b7ea2d4 | 1004 | n += n1; |
7202cbe5 BP |
1005 | tci = vid | (pcp << VLAN_PCP_SHIFT); |
1006 | if (tci) { | |
1007 | tci |= VLAN_CFI; | |
1008 | } | |
1009 | ||
1010 | cookie.type = USER_ACTION_COOKIE_SFLOW; | |
1673e0e4 BP |
1011 | cookie.sflow.vlan_tci = htons(tci); |
1012 | cookie.sflow.output = output; | |
8b7ea2d4 WZ |
1013 | user_data = &cookie; |
1014 | user_data_size = sizeof cookie.sflow; | |
2d18eae8 | 1015 | } else if (ovs_scan(&s[n], ",slow_path(%n", |
8b7ea2d4 | 1016 | &n1)) { |
8b7ea2d4 | 1017 | n += n1; |
6a7e895f BP |
1018 | cookie.type = USER_ACTION_COOKIE_SLOW_PATH; |
1019 | cookie.slow_path.unused = 0; | |
04594cd5 | 1020 | cookie.slow_path.reason = 0; |
6a7e895f | 1021 | |
8e4c1621 JG |
1022 | res = parse_odp_flags(&s[n], slow_path_reason_to_string, |
1023 | &cookie.slow_path.reason, | |
1024 | SLOW_PATH_REASON_MASK, NULL); | |
2d18eae8 | 1025 | if (res < 0 || s[n + res] != ')') { |
9d4e54c6 | 1026 | goto out; |
04594cd5 | 1027 | } |
2d18eae8 | 1028 | n += res + 1; |
6a7e895f | 1029 | |
8b7ea2d4 WZ |
1030 | user_data = &cookie; |
1031 | user_data_size = sizeof cookie.slow_path; | |
1032 | } else if (ovs_scan(&s[n], ",flow_sample(probability=%"SCNi32"," | |
c2c28dfd BP |
1033 | "collector_set_id=%"SCNi32"," |
1034 | "obs_domain_id=%"SCNi32"," | |
f69f713b | 1035 | "obs_point_id=%"SCNi32"," |
4930ea56 | 1036 | "output_port=%"SCNi32"%n", |
8b7ea2d4 | 1037 | &probability, &collector_set_id, |
f69f713b BY |
1038 | &obs_domain_id, &obs_point_id, |
1039 | &output, &n1)) { | |
8b7ea2d4 | 1040 | n += n1; |
29089a54 RL |
1041 | |
1042 | cookie.type = USER_ACTION_COOKIE_FLOW_SAMPLE; | |
1043 | cookie.flow_sample.probability = probability; | |
1044 | cookie.flow_sample.collector_set_id = collector_set_id; | |
1045 | cookie.flow_sample.obs_domain_id = obs_domain_id; | |
1046 | cookie.flow_sample.obs_point_id = obs_point_id; | |
f69f713b | 1047 | cookie.flow_sample.output_odp_port = u32_to_odp(output); |
8b7ea2d4 WZ |
1048 | user_data = &cookie; |
1049 | user_data_size = sizeof cookie.flow_sample; | |
4930ea56 BP |
1050 | |
1051 | if (ovs_scan(&s[n], ",ingress%n", &n1)) { | |
1052 | cookie.flow_sample.direction = NX_ACTION_SAMPLE_INGRESS; | |
1053 | n += n1; | |
1054 | } else if (ovs_scan(&s[n], ",egress%n", &n1)) { | |
1055 | cookie.flow_sample.direction = NX_ACTION_SAMPLE_EGRESS; | |
1056 | n += n1; | |
1057 | } else { | |
1058 | cookie.flow_sample.direction = NX_ACTION_SAMPLE_DEFAULT; | |
1059 | } | |
1060 | if (s[n] != ')') { | |
1061 | res = -EINVAL; | |
1062 | goto out; | |
1063 | } | |
1064 | n++; | |
8b7ea2d4 WZ |
1065 | } else if (ovs_scan(&s[n], ",ipfix(output_port=%"SCNi32")%n", |
1066 | &output, &n1) ) { | |
1067 | n += n1; | |
29089a54 | 1068 | cookie.type = USER_ACTION_COOKIE_IPFIX; |
8b7ea2d4 WZ |
1069 | cookie.ipfix.output_odp_port = u32_to_odp(output); |
1070 | user_data = &cookie; | |
1071 | user_data_size = sizeof cookie.ipfix; | |
1072 | } else if (ovs_scan(&s[n], ",userdata(%n", | |
1073 | &n1)) { | |
e995e3df BP |
1074 | char *end; |
1075 | ||
8b7ea2d4 | 1076 | n += n1; |
e995e3df | 1077 | end = ofpbuf_put_hex(&buf, &s[n], NULL); |
8b7ea2d4 | 1078 | if (end[0] != ')') { |
9d4e54c6 WT |
1079 | res = -EINVAL; |
1080 | goto out; | |
e995e3df | 1081 | } |
6fd6ed71 PS |
1082 | user_data = buf.data; |
1083 | user_data_size = buf.size; | |
8b7ea2d4 WZ |
1084 | n = (end + 1) - s; |
1085 | } | |
1086 | } | |
1087 | ||
7321bda3 NM |
1088 | { |
1089 | int n1 = -1; | |
1090 | if (ovs_scan(&s[n], ",actions%n", &n1)) { | |
1091 | n += n1; | |
1092 | include_actions = true; | |
1093 | } | |
1094 | } | |
1095 | ||
8b7ea2d4 WZ |
1096 | { |
1097 | int n1 = -1; | |
1098 | if (ovs_scan(&s[n], ",tunnel_out_port=%"SCNi32")%n", | |
1099 | &tunnel_out_port, &n1)) { | |
7321bda3 NM |
1100 | odp_put_userspace_action(pid, user_data, user_data_size, |
1101 | tunnel_out_port, include_actions, actions); | |
9d4e54c6 | 1102 | res = n + n1; |
88fc5281 | 1103 | goto out; |
8b7ea2d4 | 1104 | } else if (s[n] == ')') { |
7321bda3 NM |
1105 | odp_put_userspace_action(pid, user_data, user_data_size, |
1106 | ODPP_NONE, include_actions, actions); | |
9d4e54c6 | 1107 | res = n + 1; |
88fc5281 JS |
1108 | goto out; |
1109 | } | |
1110 | } | |
1111 | ||
1112 | { | |
1113 | struct ovs_action_push_eth push; | |
1114 | int eth_type = 0; | |
1115 | int n1 = -1; | |
1116 | ||
1117 | if (ovs_scan(&s[n], "push_eth(src="ETH_ADDR_SCAN_FMT"," | |
1118 | "dst="ETH_ADDR_SCAN_FMT",type=%i)%n", | |
1119 | ETH_ADDR_SCAN_ARGS(push.addresses.eth_src), | |
1120 | ETH_ADDR_SCAN_ARGS(push.addresses.eth_dst), | |
1121 | ð_type, &n1)) { | |
1122 | ||
1123 | nl_msg_put_unspec(actions, OVS_ACTION_ATTR_PUSH_ETH, | |
1124 | &push, sizeof push); | |
1125 | ||
1126 | res = n + n1; | |
1127 | goto out; | |
8b7ea2d4 WZ |
1128 | } |
1129 | } | |
88fc5281 JS |
1130 | |
1131 | if (!strncmp(&s[n], "pop_eth", 7)) { | |
1132 | nl_msg_put_flag(actions, OVS_ACTION_ATTR_POP_ETH); | |
1133 | res = 7; | |
1134 | goto out; | |
1135 | } | |
1136 | ||
1137 | res = -EINVAL; | |
9d4e54c6 WT |
1138 | out: |
1139 | ofpbuf_uninit(&buf); | |
1140 | return res; | |
8b7ea2d4 WZ |
1141 | } |
1142 | ||
a36de779 PS |
1143 | static int |
1144 | ovs_parse_tnl_push(const char *s, struct ovs_action_push_tnl *data) | |
1145 | { | |
1146 | struct eth_header *eth; | |
1147 | struct ip_header *ip; | |
370e373b | 1148 | struct ovs_16aligned_ip6_hdr *ip6; |
a36de779 PS |
1149 | struct udp_header *udp; |
1150 | struct gre_base_hdr *greh; | |
e8fe6ad0 | 1151 | uint16_t gre_proto, gre_flags, dl_type, udp_src, udp_dst, csum; |
a36de779 | 1152 | ovs_be32 sip, dip; |
370e373b | 1153 | uint32_t tnl_type = 0, header_len = 0, ip_len = 0; |
a36de779 PS |
1154 | void *l3, *l4; |
1155 | int n = 0; | |
1156 | ||
1157 | if (!ovs_scan_len(s, &n, "tnl_push(tnl_port(%"SCNi32"),", &data->tnl_port)) { | |
1158 | return -EINVAL; | |
1159 | } | |
1160 | eth = (struct eth_header *) data->header; | |
1620b7ea | 1161 | l3 = (struct ip_header *) (eth + 1); |
a36de779 | 1162 | ip = (struct ip_header *) l3; |
370e373b | 1163 | ip6 = (struct ovs_16aligned_ip6_hdr *) l3; |
a36de779 | 1164 | if (!ovs_scan_len(s, &n, "header(size=%"SCNi32",type=%"SCNi32"," |
9ac0aada JR |
1165 | "eth(dst="ETH_ADDR_SCAN_FMT",", |
1166 | &data->header_len, | |
1167 | &data->tnl_type, | |
1168 | ETH_ADDR_SCAN_ARGS(eth->eth_dst))) { | |
a36de779 PS |
1169 | return -EINVAL; |
1170 | } | |
1171 | ||
1172 | if (!ovs_scan_len(s, &n, "src="ETH_ADDR_SCAN_FMT",", | |
9ac0aada | 1173 | ETH_ADDR_SCAN_ARGS(eth->eth_src))) { |
a36de779 PS |
1174 | return -EINVAL; |
1175 | } | |
1176 | if (!ovs_scan_len(s, &n, "dl_type=0x%"SCNx16"),", &dl_type)) { | |
1177 | return -EINVAL; | |
1178 | } | |
1179 | eth->eth_type = htons(dl_type); | |
1180 | ||
370e373b TLSC |
1181 | if (eth->eth_type == htons(ETH_TYPE_IP)) { |
1182 | /* IPv4 */ | |
fa47c114 | 1183 | uint16_t ip_frag_off; |
370e373b TLSC |
1184 | if (!ovs_scan_len(s, &n, "ipv4(src="IP_SCAN_FMT",dst="IP_SCAN_FMT",proto=%"SCNi8 |
1185 | ",tos=%"SCNi8",ttl=%"SCNi8",frag=0x%"SCNx16"),", | |
1186 | IP_SCAN_ARGS(&sip), | |
1187 | IP_SCAN_ARGS(&dip), | |
1188 | &ip->ip_proto, &ip->ip_tos, | |
fa47c114 | 1189 | &ip->ip_ttl, &ip_frag_off)) { |
370e373b TLSC |
1190 | return -EINVAL; |
1191 | } | |
1192 | put_16aligned_be32(&ip->ip_src, sip); | |
1193 | put_16aligned_be32(&ip->ip_dst, dip); | |
fa47c114 | 1194 | ip->ip_frag_off = htons(ip_frag_off); |
370e373b TLSC |
1195 | ip_len = sizeof *ip; |
1196 | } else { | |
1197 | char sip6_s[IPV6_SCAN_LEN + 1]; | |
1198 | char dip6_s[IPV6_SCAN_LEN + 1]; | |
1199 | struct in6_addr sip6, dip6; | |
1200 | uint8_t tclass; | |
1201 | uint32_t label; | |
1202 | if (!ovs_scan_len(s, &n, "ipv6(src="IPV6_SCAN_FMT",dst="IPV6_SCAN_FMT | |
1203 | ",label=%i,proto=%"SCNi8",tclass=0x%"SCNx8 | |
1204 | ",hlimit=%"SCNi8"),", | |
1205 | sip6_s, dip6_s, &label, &ip6->ip6_nxt, | |
1206 | &tclass, &ip6->ip6_hlim) | |
1207 | || (label & ~IPV6_LABEL_MASK) != 0 | |
1208 | || inet_pton(AF_INET6, sip6_s, &sip6) != 1 | |
1209 | || inet_pton(AF_INET6, dip6_s, &dip6) != 1) { | |
1210 | return -EINVAL; | |
1211 | } | |
1212 | put_16aligned_be32(&ip6->ip6_flow, htonl(6 << 28) | | |
1213 | htonl(tclass << 20) | htonl(label)); | |
1214 | memcpy(&ip6->ip6_src, &sip6, sizeof(ip6->ip6_src)); | |
1215 | memcpy(&ip6->ip6_dst, &dip6, sizeof(ip6->ip6_dst)); | |
1216 | ip_len = sizeof *ip6; | |
a36de779 | 1217 | } |
a36de779 PS |
1218 | |
1219 | /* Tunnel header */ | |
370e373b | 1220 | l4 = ((uint8_t *) l3 + ip_len); |
a36de779 PS |
1221 | udp = (struct udp_header *) l4; |
1222 | greh = (struct gre_base_hdr *) l4; | |
8e45fe7c | 1223 | if (ovs_scan_len(s, &n, "udp(src=%"SCNi16",dst=%"SCNi16",csum=0x%"SCNx16"),", |
9ac0aada | 1224 | &udp_src, &udp_dst, &csum)) { |
e5a1caee | 1225 | uint32_t vx_flags, vni; |
a36de779 PS |
1226 | |
1227 | udp->udp_src = htons(udp_src); | |
1228 | udp->udp_dst = htons(udp_dst); | |
1229 | udp->udp_len = 0; | |
8e45fe7c | 1230 | udp->udp_csum = htons(csum); |
a36de779 | 1231 | |
e066f78f | 1232 | if (ovs_scan_len(s, &n, "vxlan(flags=0x%"SCNx32",vni=0x%"SCNx32"))", |
9ac0aada | 1233 | &vx_flags, &vni)) { |
e066f78f JG |
1234 | struct vxlanhdr *vxh = (struct vxlanhdr *) (udp + 1); |
1235 | ||
1236 | put_16aligned_be32(&vxh->vx_flags, htonl(vx_flags)); | |
e5a1caee | 1237 | put_16aligned_be32(&vxh->vx_vni, htonl(vni << 8)); |
e066f78f | 1238 | tnl_type = OVS_VPORT_TYPE_VXLAN; |
370e373b | 1239 | header_len = sizeof *eth + ip_len + |
e066f78f | 1240 | sizeof *udp + sizeof *vxh; |
e5a1caee JG |
1241 | } else if (ovs_scan_len(s, &n, "geneve(")) { |
1242 | struct genevehdr *gnh = (struct genevehdr *) (udp + 1); | |
1243 | ||
46e7137c | 1244 | memset(gnh, 0, sizeof *gnh); |
370e373b | 1245 | header_len = sizeof *eth + ip_len + |
5bb08b0e JG |
1246 | sizeof *udp + sizeof *gnh; |
1247 | ||
e5a1caee JG |
1248 | if (ovs_scan_len(s, &n, "oam,")) { |
1249 | gnh->oam = 1; | |
1250 | } | |
5bb08b0e JG |
1251 | if (ovs_scan_len(s, &n, "crit,")) { |
1252 | gnh->critical = 1; | |
1253 | } | |
1254 | if (!ovs_scan_len(s, &n, "vni=%"SCNi32, &vni)) { | |
e5a1caee JG |
1255 | return -EINVAL; |
1256 | } | |
5bb08b0e JG |
1257 | if (ovs_scan_len(s, &n, ",options(")) { |
1258 | struct geneve_scan options; | |
1259 | int len; | |
1260 | ||
1261 | memset(&options, 0, sizeof options); | |
1262 | len = scan_geneve(s + n, &options, NULL); | |
1263 | if (!len) { | |
1264 | return -EINVAL; | |
1265 | } | |
1266 | ||
1267 | memcpy(gnh->options, options.d, options.len); | |
1268 | gnh->opt_len = options.len / 4; | |
1269 | header_len += options.len; | |
1270 | ||
1271 | n += len; | |
1272 | } | |
1273 | if (!ovs_scan_len(s, &n, "))")) { | |
1274 | return -EINVAL; | |
1275 | } | |
1276 | ||
e5a1caee JG |
1277 | gnh->proto_type = htons(ETH_TYPE_TEB); |
1278 | put_16aligned_be32(&gnh->vni, htonl(vni << 8)); | |
1279 | tnl_type = OVS_VPORT_TYPE_GENEVE; | |
e066f78f | 1280 | } else { |
a36de779 PS |
1281 | return -EINVAL; |
1282 | } | |
a36de779 | 1283 | } else if (ovs_scan_len(s, &n, "gre((flags=0x%"SCNx16",proto=0x%"SCNx16")", |
9ac0aada | 1284 | &gre_flags, &gre_proto)){ |
a36de779 PS |
1285 | |
1286 | tnl_type = OVS_VPORT_TYPE_GRE; | |
e8fe6ad0 | 1287 | greh->flags = htons(gre_flags); |
a36de779 PS |
1288 | greh->protocol = htons(gre_proto); |
1289 | ovs_16aligned_be32 *options = (ovs_16aligned_be32 *) (greh + 1); | |
1290 | ||
1291 | if (greh->flags & htons(GRE_CSUM)) { | |
d804d31e | 1292 | if (!ovs_scan_len(s, &n, ",csum=0x%"SCNx16, &csum)) { |
a36de779 PS |
1293 | return -EINVAL; |
1294 | } | |
d804d31e JG |
1295 | |
1296 | memset(options, 0, sizeof *options); | |
1297 | *((ovs_be16 *)options) = htons(csum); | |
a36de779 PS |
1298 | options++; |
1299 | } | |
1300 | if (greh->flags & htons(GRE_KEY)) { | |
1301 | uint32_t key; | |
1302 | ||
1303 | if (!ovs_scan_len(s, &n, ",key=0x%"SCNx32, &key)) { | |
1304 | return -EINVAL; | |
1305 | } | |
1306 | ||
1307 | put_16aligned_be32(options, htonl(key)); | |
1308 | options++; | |
1309 | } | |
1310 | if (greh->flags & htons(GRE_SEQ)) { | |
1311 | uint32_t seq; | |
1312 | ||
1313 | if (!ovs_scan_len(s, &n, ",seq=0x%"SCNx32, &seq)) { | |
1314 | return -EINVAL; | |
1315 | } | |
1316 | put_16aligned_be32(options, htonl(seq)); | |
1317 | options++; | |
1318 | } | |
1319 | ||
1320 | if (!ovs_scan_len(s, &n, "))")) { | |
1321 | return -EINVAL; | |
1322 | } | |
1323 | ||
370e373b | 1324 | header_len = sizeof *eth + ip_len + |
a36de779 PS |
1325 | ((uint8_t *) options - (uint8_t *) greh); |
1326 | } else { | |
1327 | return -EINVAL; | |
1328 | } | |
1329 | ||
1330 | /* check tunnel meta data. */ | |
1331 | if (data->tnl_type != tnl_type) { | |
1332 | return -EINVAL; | |
1333 | } | |
1334 | if (data->header_len != header_len) { | |
1335 | return -EINVAL; | |
1336 | } | |
1337 | ||
1338 | /* Out port */ | |
1339 | if (!ovs_scan_len(s, &n, ",out_port(%"SCNi32"))", &data->out_port)) { | |
1340 | return -EINVAL; | |
1341 | } | |
1342 | ||
1343 | return n; | |
1344 | } | |
1345 | ||
9ac0aada JR |
1346 | struct ct_nat_params { |
1347 | bool snat; | |
1348 | bool dnat; | |
1349 | size_t addr_len; | |
1350 | union { | |
1351 | ovs_be32 ip; | |
1352 | struct in6_addr ip6; | |
1353 | } addr_min; | |
1354 | union { | |
1355 | ovs_be32 ip; | |
1356 | struct in6_addr ip6; | |
1357 | } addr_max; | |
1358 | uint16_t proto_min; | |
1359 | uint16_t proto_max; | |
1360 | bool persistent; | |
1361 | bool proto_hash; | |
1362 | bool proto_random; | |
1363 | }; | |
1364 | ||
1365 | static int | |
1366 | scan_ct_nat_range(const char *s, int *n, struct ct_nat_params *p) | |
1367 | { | |
1368 | if (ovs_scan_len(s, n, "=")) { | |
1369 | char ipv6_s[IPV6_SCAN_LEN + 1]; | |
1370 | struct in6_addr ipv6; | |
1371 | ||
1372 | if (ovs_scan_len(s, n, IP_SCAN_FMT, IP_SCAN_ARGS(&p->addr_min.ip))) { | |
1373 | p->addr_len = sizeof p->addr_min.ip; | |
1374 | if (ovs_scan_len(s, n, "-")) { | |
1375 | if (!ovs_scan_len(s, n, IP_SCAN_FMT, | |
1376 | IP_SCAN_ARGS(&p->addr_max.ip))) { | |
1377 | return -EINVAL; | |
1378 | } | |
1379 | } | |
1380 | } else if ((ovs_scan_len(s, n, IPV6_SCAN_FMT, ipv6_s) | |
1381 | || ovs_scan_len(s, n, "["IPV6_SCAN_FMT"]", ipv6_s)) | |
1382 | && inet_pton(AF_INET6, ipv6_s, &ipv6) == 1) { | |
1383 | p->addr_len = sizeof p->addr_min.ip6; | |
1384 | p->addr_min.ip6 = ipv6; | |
1385 | if (ovs_scan_len(s, n, "-")) { | |
1386 | if ((ovs_scan_len(s, n, IPV6_SCAN_FMT, ipv6_s) | |
1387 | || ovs_scan_len(s, n, "["IPV6_SCAN_FMT"]", ipv6_s)) | |
1388 | && inet_pton(AF_INET6, ipv6_s, &ipv6) == 1) { | |
1389 | p->addr_max.ip6 = ipv6; | |
1390 | } else { | |
1391 | return -EINVAL; | |
1392 | } | |
1393 | } | |
1394 | } else { | |
1395 | return -EINVAL; | |
1396 | } | |
1397 | if (ovs_scan_len(s, n, ":%"SCNu16, &p->proto_min)) { | |
1398 | if (ovs_scan_len(s, n, "-")) { | |
1399 | if (!ovs_scan_len(s, n, "%"SCNu16, &p->proto_max)) { | |
1400 | return -EINVAL; | |
1401 | } | |
1402 | } | |
1403 | } | |
1404 | } | |
1405 | return 0; | |
1406 | } | |
1407 | ||
1408 | static int | |
1409 | scan_ct_nat(const char *s, struct ct_nat_params *p) | |
1410 | { | |
1411 | int n = 0; | |
1412 | ||
1413 | if (ovs_scan_len(s, &n, "nat")) { | |
1414 | memset(p, 0, sizeof *p); | |
1415 | ||
1416 | if (ovs_scan_len(s, &n, "(")) { | |
1417 | char *end; | |
1418 | int end_n; | |
1419 | ||
1420 | end = strchr(s + n, ')'); | |
1421 | if (!end) { | |
1422 | return -EINVAL; | |
1423 | } | |
1424 | end_n = end - s; | |
1425 | ||
1426 | while (n < end_n) { | |
1427 | n += strspn(s + n, delimiters); | |
1428 | if (ovs_scan_len(s, &n, "src")) { | |
1429 | int err = scan_ct_nat_range(s, &n, p); | |
1430 | if (err) { | |
1431 | return err; | |
1432 | } | |
1433 | p->snat = true; | |
1434 | continue; | |
1435 | } | |
1436 | if (ovs_scan_len(s, &n, "dst")) { | |
1437 | int err = scan_ct_nat_range(s, &n, p); | |
1438 | if (err) { | |
1439 | return err; | |
1440 | } | |
1441 | p->dnat = true; | |
1442 | continue; | |
1443 | } | |
1444 | if (ovs_scan_len(s, &n, "persistent")) { | |
1445 | p->persistent = true; | |
1446 | continue; | |
1447 | } | |
1448 | if (ovs_scan_len(s, &n, "hash")) { | |
1449 | p->proto_hash = true; | |
1450 | continue; | |
1451 | } | |
1452 | if (ovs_scan_len(s, &n, "random")) { | |
1453 | p->proto_random = true; | |
1454 | continue; | |
1455 | } | |
1456 | return -EINVAL; | |
1457 | } | |
1458 | ||
1459 | if (p->snat && p->dnat) { | |
1460 | return -EINVAL; | |
1461 | } | |
1462 | if ((p->addr_len != 0 && | |
1463 | memcmp(&p->addr_max, &in6addr_any, p->addr_len) && | |
1464 | memcmp(&p->addr_max, &p->addr_min, p->addr_len) < 0) || | |
1465 | (p->proto_max && p->proto_max < p->proto_min)) { | |
1466 | return -EINVAL; | |
1467 | } | |
1468 | if (p->proto_hash && p->proto_random) { | |
1469 | return -EINVAL; | |
1470 | } | |
1471 | n++; | |
1472 | } | |
1473 | } | |
1474 | return n; | |
1475 | } | |
1476 | ||
1477 | static void | |
1478 | nl_msg_put_ct_nat(struct ct_nat_params *p, struct ofpbuf *actions) | |
1479 | { | |
1480 | size_t start = nl_msg_start_nested(actions, OVS_CT_ATTR_NAT); | |
1481 | ||
1482 | if (p->snat) { | |
1483 | nl_msg_put_flag(actions, OVS_NAT_ATTR_SRC); | |
1484 | } else if (p->dnat) { | |
1485 | nl_msg_put_flag(actions, OVS_NAT_ATTR_DST); | |
1486 | } else { | |
1487 | goto out; | |
1488 | } | |
1489 | if (p->addr_len != 0) { | |
1490 | nl_msg_put_unspec(actions, OVS_NAT_ATTR_IP_MIN, &p->addr_min, | |
1491 | p->addr_len); | |
1492 | if (memcmp(&p->addr_max, &p->addr_min, p->addr_len) > 0) { | |
1493 | nl_msg_put_unspec(actions, OVS_NAT_ATTR_IP_MAX, &p->addr_max, | |
1494 | p->addr_len); | |
1495 | } | |
1496 | if (p->proto_min) { | |
1497 | nl_msg_put_u16(actions, OVS_NAT_ATTR_PROTO_MIN, p->proto_min); | |
1498 | if (p->proto_max && p->proto_max > p->proto_min) { | |
1499 | nl_msg_put_u16(actions, OVS_NAT_ATTR_PROTO_MAX, p->proto_max); | |
1500 | } | |
1501 | } | |
1502 | if (p->persistent) { | |
1503 | nl_msg_put_flag(actions, OVS_NAT_ATTR_PERSISTENT); | |
1504 | } | |
1505 | if (p->proto_hash) { | |
1506 | nl_msg_put_flag(actions, OVS_NAT_ATTR_PROTO_HASH); | |
1507 | } | |
1508 | if (p->proto_random) { | |
1509 | nl_msg_put_flag(actions, OVS_NAT_ATTR_PROTO_RANDOM); | |
1510 | } | |
1511 | } | |
1512 | out: | |
1513 | nl_msg_end_nested(actions, start); | |
1514 | } | |
1515 | ||
07659514 JS |
1516 | static int |
1517 | parse_conntrack_action(const char *s_, struct ofpbuf *actions) | |
1518 | { | |
1519 | const char *s = s_; | |
1520 | ||
1521 | if (ovs_scan(s, "ct")) { | |
d787ad39 JS |
1522 | const char *helper = NULL; |
1523 | size_t helper_len = 0; | |
07659514 | 1524 | bool commit = false; |
a76a37ef | 1525 | bool force_commit = false; |
07659514 | 1526 | uint16_t zone = 0; |
8e53fe8c JS |
1527 | struct { |
1528 | uint32_t value; | |
1529 | uint32_t mask; | |
1530 | } ct_mark = { 0, 0 }; | |
9daf2348 JS |
1531 | struct { |
1532 | ovs_u128 value; | |
1533 | ovs_u128 mask; | |
1534 | } ct_label; | |
9ac0aada JR |
1535 | struct ct_nat_params nat_params; |
1536 | bool have_nat = false; | |
07659514 JS |
1537 | size_t start; |
1538 | char *end; | |
1539 | ||
9daf2348 JS |
1540 | memset(&ct_label, 0, sizeof(ct_label)); |
1541 | ||
07659514 JS |
1542 | s += 2; |
1543 | if (ovs_scan(s, "(")) { | |
1544 | s++; | |
9ac0aada | 1545 | find_end: |
07659514 JS |
1546 | end = strchr(s, ')'); |
1547 | if (!end) { | |
1548 | return -EINVAL; | |
1549 | } | |
1550 | ||
1551 | while (s != end) { | |
9ac0aada | 1552 | int n; |
07659514 JS |
1553 | |
1554 | s += strspn(s, delimiters); | |
1555 | if (ovs_scan(s, "commit%n", &n)) { | |
1556 | commit = true; | |
1557 | s += n; | |
1558 | continue; | |
1559 | } | |
a76a37ef JR |
1560 | if (ovs_scan(s, "force_commit%n", &n)) { |
1561 | force_commit = true; | |
1562 | s += n; | |
1563 | continue; | |
1564 | } | |
07659514 JS |
1565 | if (ovs_scan(s, "zone=%"SCNu16"%n", &zone, &n)) { |
1566 | s += n; | |
1567 | continue; | |
1568 | } | |
8e53fe8c JS |
1569 | if (ovs_scan(s, "mark=%"SCNx32"%n", &ct_mark.value, &n)) { |
1570 | s += n; | |
1571 | n = -1; | |
1572 | if (ovs_scan(s, "/%"SCNx32"%n", &ct_mark.mask, &n)) { | |
1573 | s += n; | |
1574 | } else { | |
1575 | ct_mark.mask = UINT32_MAX; | |
1576 | } | |
1577 | continue; | |
1578 | } | |
9daf2348 JS |
1579 | if (ovs_scan(s, "label=%n", &n)) { |
1580 | int retval; | |
1581 | ||
1582 | s += n; | |
1583 | retval = scan_u128(s, &ct_label.value, &ct_label.mask); | |
1584 | if (retval < 0) { | |
1585 | return retval; | |
1586 | } | |
1587 | s += retval; | |
1588 | continue; | |
1589 | } | |
d787ad39 JS |
1590 | if (ovs_scan(s, "helper=%n", &n)) { |
1591 | s += n; | |
1592 | helper_len = strcspn(s, delimiters_end); | |
1593 | if (!helper_len || helper_len > 15) { | |
1594 | return -EINVAL; | |
1595 | } | |
1596 | helper = s; | |
1597 | s += helper_len; | |
1598 | continue; | |
1599 | } | |
07659514 | 1600 | |
9ac0aada JR |
1601 | n = scan_ct_nat(s, &nat_params); |
1602 | if (n > 0) { | |
1603 | s += n; | |
1604 | have_nat = true; | |
1605 | ||
1606 | /* end points to the end of the nested, nat action. | |
1607 | * find the real end. */ | |
1608 | goto find_end; | |
1609 | } | |
1610 | /* Nothing matched. */ | |
07659514 JS |
1611 | return -EINVAL; |
1612 | } | |
1613 | s++; | |
1614 | } | |
a76a37ef JR |
1615 | if (commit && force_commit) { |
1616 | return -EINVAL; | |
1617 | } | |
07659514 JS |
1618 | |
1619 | start = nl_msg_start_nested(actions, OVS_ACTION_ATTR_CT); | |
1620 | if (commit) { | |
1621 | nl_msg_put_flag(actions, OVS_CT_ATTR_COMMIT); | |
a76a37ef JR |
1622 | } else if (force_commit) { |
1623 | nl_msg_put_flag(actions, OVS_CT_ATTR_FORCE_COMMIT); | |
07659514 JS |
1624 | } |
1625 | if (zone) { | |
1626 | nl_msg_put_u16(actions, OVS_CT_ATTR_ZONE, zone); | |
1627 | } | |
8e53fe8c JS |
1628 | if (ct_mark.mask) { |
1629 | nl_msg_put_unspec(actions, OVS_CT_ATTR_MARK, &ct_mark, | |
1630 | sizeof(ct_mark)); | |
1631 | } | |
2ff8484b | 1632 | if (!ovs_u128_is_zero(ct_label.mask)) { |
9daf2348 JS |
1633 | nl_msg_put_unspec(actions, OVS_CT_ATTR_LABELS, &ct_label, |
1634 | sizeof ct_label); | |
1635 | } | |
d787ad39 JS |
1636 | if (helper) { |
1637 | nl_msg_put_string__(actions, OVS_CT_ATTR_HELPER, helper, | |
1638 | helper_len); | |
1639 | } | |
9ac0aada JR |
1640 | if (have_nat) { |
1641 | nl_msg_put_ct_nat(&nat_params, actions); | |
1642 | } | |
07659514 JS |
1643 | nl_msg_end_nested(actions, start); |
1644 | } | |
1645 | ||
1646 | return s - s_; | |
1647 | } | |
1648 | ||
c37f7135 AZ |
1649 | static int |
1650 | parse_action_list(const char *s, const struct simap *port_names, | |
1651 | struct ofpbuf *actions) | |
1652 | { | |
1653 | int n = 0; | |
1654 | ||
1655 | for (;;) { | |
1656 | int retval; | |
1657 | ||
1658 | n += strspn(s + n, delimiters); | |
1659 | if (s[n] == ')') { | |
1660 | break; | |
1661 | } | |
1662 | retval = parse_odp_action(s + n, port_names, actions); | |
1663 | if (retval < 0) { | |
1664 | return retval; | |
1665 | } | |
1666 | n += retval; | |
1667 | } | |
1668 | ||
1669 | return n; | |
1670 | } | |
1671 | ||
8b7ea2d4 WZ |
1672 | static int |
1673 | parse_odp_action(const char *s, const struct simap *port_names, | |
1674 | struct ofpbuf *actions) | |
1675 | { | |
1676 | { | |
1677 | uint32_t port; | |
1678 | int n; | |
1679 | ||
1680 | if (ovs_scan(s, "%"SCNi32"%n", &port, &n)) { | |
1681 | nl_msg_put_u32(actions, OVS_ACTION_ATTR_OUTPUT, port); | |
1682 | return n; | |
7202cbe5 BP |
1683 | } |
1684 | } | |
1685 | ||
aaca4fe0 WT |
1686 | { |
1687 | uint32_t max_len; | |
1688 | int n; | |
1689 | ||
1690 | if (ovs_scan(s, "trunc(%"SCNi32")%n", &max_len, &n)) { | |
1691 | struct ovs_action_trunc *trunc; | |
1692 | ||
1693 | trunc = nl_msg_put_unspec_uninit(actions, | |
1694 | OVS_ACTION_ATTR_TRUNC, sizeof *trunc); | |
1695 | trunc->max_len = max_len; | |
1696 | return n; | |
1697 | } | |
1698 | } | |
1699 | ||
8b7ea2d4 WZ |
1700 | if (port_names) { |
1701 | int len = strcspn(s, delimiters); | |
1702 | struct simap_node *node; | |
1703 | ||
1704 | node = simap_find_len(port_names, s, len); | |
1705 | if (node) { | |
1706 | nl_msg_put_u32(actions, OVS_ACTION_ATTR_OUTPUT, node->data); | |
1707 | return len; | |
1708 | } | |
1709 | } | |
1710 | ||
d73803ca DDP |
1711 | { |
1712 | uint32_t recirc_id; | |
1713 | int n = -1; | |
1714 | ||
1715 | if (ovs_scan(s, "recirc(%"PRIu32")%n", &recirc_id, &n)) { | |
1716 | nl_msg_put_u32(actions, OVS_ACTION_ATTR_RECIRC, recirc_id); | |
1717 | return n; | |
1718 | } | |
1719 | } | |
1720 | ||
8b7ea2d4 WZ |
1721 | if (!strncmp(s, "userspace(", 10)) { |
1722 | return parse_odp_userspace_action(s, actions); | |
1723 | } | |
1724 | ||
7202cbe5 BP |
1725 | if (!strncmp(s, "set(", 4)) { |
1726 | size_t start_ofs; | |
1727 | int retval; | |
6d670e7f JR |
1728 | struct nlattr mask[128 / sizeof(struct nlattr)]; |
1729 | struct ofpbuf maskbuf; | |
1730 | struct nlattr *nested, *key; | |
1731 | size_t size; | |
1732 | ||
1733 | /* 'mask' is big enough to hold any key. */ | |
1734 | ofpbuf_use_stack(&maskbuf, mask, sizeof mask); | |
7202cbe5 BP |
1735 | |
1736 | start_ofs = nl_msg_start_nested(actions, OVS_ACTION_ATTR_SET); | |
6d670e7f | 1737 | retval = parse_odp_key_mask_attr(s + 4, port_names, actions, &maskbuf); |
7202cbe5 BP |
1738 | if (retval < 0) { |
1739 | return retval; | |
1740 | } | |
1741 | if (s[retval + 4] != ')') { | |
1742 | return -EINVAL; | |
1743 | } | |
6d670e7f JR |
1744 | |
1745 | nested = ofpbuf_at_assert(actions, start_ofs, sizeof *nested); | |
1746 | key = nested + 1; | |
1747 | ||
1748 | size = nl_attr_get_size(mask); | |
1749 | if (size == nl_attr_get_size(key)) { | |
1750 | /* Change to masked set action if not fully masked. */ | |
53cb9c3e | 1751 | if (!is_all_ones(mask + 1, size)) { |
6d670e7f JR |
1752 | key->nla_len += size; |
1753 | ofpbuf_put(actions, mask + 1, size); | |
1754 | /* 'actions' may have been reallocated by ofpbuf_put(). */ | |
1755 | nested = ofpbuf_at_assert(actions, start_ofs, sizeof *nested); | |
1756 | nested->nla_type = OVS_ACTION_ATTR_SET_MASKED; | |
1757 | } | |
1758 | } | |
1759 | ||
7202cbe5 BP |
1760 | nl_msg_end_nested(actions, start_ofs); |
1761 | return retval + 5; | |
1762 | } | |
1763 | ||
becffb86 BP |
1764 | { |
1765 | struct ovs_action_push_vlan push; | |
1766 | int tpid = ETH_TYPE_VLAN; | |
1767 | int vid, pcp; | |
1768 | int cfi = 1; | |
1769 | int n = -1; | |
7202cbe5 | 1770 | |
c2c28dfd BP |
1771 | if (ovs_scan(s, "push_vlan(vid=%i,pcp=%i)%n", &vid, &pcp, &n) |
1772 | || ovs_scan(s, "push_vlan(vid=%i,pcp=%i,cfi=%i)%n", | |
1773 | &vid, &pcp, &cfi, &n) | |
1774 | || ovs_scan(s, "push_vlan(tpid=%i,vid=%i,pcp=%i)%n", | |
1775 | &tpid, &vid, &pcp, &n) | |
1776 | || ovs_scan(s, "push_vlan(tpid=%i,vid=%i,pcp=%i,cfi=%i)%n", | |
1777 | &tpid, &vid, &pcp, &cfi, &n)) { | |
becffb86 BP |
1778 | push.vlan_tpid = htons(tpid); |
1779 | push.vlan_tci = htons((vid << VLAN_VID_SHIFT) | |
1780 | | (pcp << VLAN_PCP_SHIFT) | |
1781 | | (cfi ? VLAN_CFI : 0)); | |
1782 | nl_msg_put_unspec(actions, OVS_ACTION_ATTR_PUSH_VLAN, | |
1783 | &push, sizeof push); | |
1784 | ||
1785 | return n; | |
7202cbe5 | 1786 | } |
7202cbe5 BP |
1787 | } |
1788 | ||
becffb86 BP |
1789 | if (!strncmp(s, "pop_vlan", 8)) { |
1790 | nl_msg_put_flag(actions, OVS_ACTION_ATTR_POP_VLAN); | |
1791 | return 8; | |
7202cbe5 BP |
1792 | } |
1793 | ||
5dddf960 JR |
1794 | { |
1795 | unsigned long long int meter_id; | |
1796 | int n = -1; | |
1797 | ||
1798 | if (sscanf(s, "meter(%lli)%n", &meter_id, &n) > 0 && n > 0) { | |
1799 | nl_msg_put_u32(actions, OVS_ACTION_ATTR_METER, meter_id); | |
1800 | return n; | |
1801 | } | |
1802 | } | |
1803 | ||
7202cbe5 BP |
1804 | { |
1805 | double percentage; | |
1806 | int n = -1; | |
1807 | ||
c2c28dfd BP |
1808 | if (ovs_scan(s, "sample(sample=%lf%%,actions(%n", &percentage, &n) |
1809 | && percentage >= 0. && percentage <= 100.0) { | |
7202cbe5 BP |
1810 | size_t sample_ofs, actions_ofs; |
1811 | double probability; | |
1812 | ||
1813 | probability = floor(UINT32_MAX * (percentage / 100.0) + .5); | |
1814 | sample_ofs = nl_msg_start_nested(actions, OVS_ACTION_ATTR_SAMPLE); | |
1815 | nl_msg_put_u32(actions, OVS_SAMPLE_ATTR_PROBABILITY, | |
1816 | (probability <= 0 ? 0 | |
1817 | : probability >= UINT32_MAX ? UINT32_MAX | |
1818 | : probability)); | |
1819 | ||
1820 | actions_ofs = nl_msg_start_nested(actions, | |
1821 | OVS_SAMPLE_ATTR_ACTIONS); | |
c37f7135 AZ |
1822 | int retval = parse_action_list(s + n, port_names, actions); |
1823 | if (retval < 0) | |
1824 | return retval; | |
7202cbe5 | 1825 | |
c37f7135 | 1826 | n += retval; |
7202cbe5 BP |
1827 | nl_msg_end_nested(actions, actions_ofs); |
1828 | nl_msg_end_nested(actions, sample_ofs); | |
1829 | ||
1830 | return s[n + 1] == ')' ? n + 2 : -EINVAL; | |
1831 | } | |
1832 | } | |
1833 | ||
c37f7135 AZ |
1834 | { |
1835 | if (!strncmp(s, "clone(", 6)) { | |
1836 | size_t actions_ofs; | |
1837 | int n = 6; | |
1838 | ||
1839 | actions_ofs = nl_msg_start_nested(actions, OVS_ACTION_ATTR_CLONE); | |
1840 | int retval = parse_action_list(s + n, port_names, actions); | |
1841 | if (retval < 0) { | |
1842 | return retval; | |
1843 | } | |
1844 | n += retval; | |
1845 | nl_msg_end_nested(actions, actions_ofs); | |
1846 | return n + 1; | |
1847 | } | |
1848 | } | |
1849 | ||
a36de779 PS |
1850 | { |
1851 | uint32_t port; | |
1852 | int n; | |
1853 | ||
1854 | if (ovs_scan(s, "tnl_pop(%"SCNi32")%n", &port, &n)) { | |
1855 | nl_msg_put_u32(actions, OVS_ACTION_ATTR_TUNNEL_POP, port); | |
1856 | return n; | |
1857 | } | |
1858 | } | |
1859 | ||
07659514 JS |
1860 | { |
1861 | int retval; | |
1862 | ||
1863 | retval = parse_conntrack_action(s, actions); | |
1864 | if (retval) { | |
1865 | return retval; | |
1866 | } | |
1867 | } | |
1868 | ||
a36de779 PS |
1869 | { |
1870 | struct ovs_action_push_tnl data; | |
1871 | int n; | |
1872 | ||
1873 | n = ovs_parse_tnl_push(s, &data); | |
1874 | if (n > 0) { | |
1875 | odp_put_tnl_push_action(actions, &data); | |
1876 | return n; | |
1877 | } else if (n < 0) { | |
1878 | return n; | |
1879 | } | |
1880 | } | |
7202cbe5 BP |
1881 | return -EINVAL; |
1882 | } | |
1883 | ||
1884 | /* Parses the string representation of datapath actions, in the format output | |
1885 | * by format_odp_action(). Returns 0 if successful, otherwise a positive errno | |
1886 | * value. On success, the ODP actions are appended to 'actions' as a series of | |
1887 | * Netlink attributes. On failure, no data is appended to 'actions'. Either | |
1888 | * way, 'actions''s data might be reallocated. */ | |
1889 | int | |
44bac24b | 1890 | odp_actions_from_string(const char *s, const struct simap *port_names, |
7202cbe5 BP |
1891 | struct ofpbuf *actions) |
1892 | { | |
1893 | size_t old_size; | |
1894 | ||
1895 | if (!strcasecmp(s, "drop")) { | |
1896 | return 0; | |
1897 | } | |
1898 | ||
6fd6ed71 | 1899 | old_size = actions->size; |
7202cbe5 BP |
1900 | for (;;) { |
1901 | int retval; | |
1902 | ||
1903 | s += strspn(s, delimiters); | |
1904 | if (!*s) { | |
1905 | return 0; | |
1906 | } | |
1907 | ||
1908 | retval = parse_odp_action(s, port_names, actions); | |
1909 | if (retval < 0 || !strchr(delimiters, s[retval])) { | |
6fd6ed71 | 1910 | actions->size = old_size; |
7202cbe5 BP |
1911 | return -retval; |
1912 | } | |
1913 | s += retval; | |
1914 | } | |
1915 | ||
1916 | return 0; | |
1917 | } | |
14608a15 | 1918 | \f |
6b8da9e9 JG |
1919 | static const struct attr_len_tbl ovs_vxlan_ext_attr_lens[OVS_VXLAN_EXT_MAX + 1] = { |
1920 | [OVS_VXLAN_EXT_GBP] = { .len = 4 }, | |
1921 | }; | |
1922 | ||
1923 | static const struct attr_len_tbl ovs_tun_key_attr_lens[OVS_TUNNEL_KEY_ATTR_MAX + 1] = { | |
1924 | [OVS_TUNNEL_KEY_ATTR_ID] = { .len = 8 }, | |
1925 | [OVS_TUNNEL_KEY_ATTR_IPV4_SRC] = { .len = 4 }, | |
1926 | [OVS_TUNNEL_KEY_ATTR_IPV4_DST] = { .len = 4 }, | |
1927 | [OVS_TUNNEL_KEY_ATTR_TOS] = { .len = 1 }, | |
1928 | [OVS_TUNNEL_KEY_ATTR_TTL] = { .len = 1 }, | |
1929 | [OVS_TUNNEL_KEY_ATTR_DONT_FRAGMENT] = { .len = 0 }, | |
1930 | [OVS_TUNNEL_KEY_ATTR_CSUM] = { .len = 0 }, | |
1931 | [OVS_TUNNEL_KEY_ATTR_TP_SRC] = { .len = 2 }, | |
1932 | [OVS_TUNNEL_KEY_ATTR_TP_DST] = { .len = 2 }, | |
1933 | [OVS_TUNNEL_KEY_ATTR_OAM] = { .len = 0 }, | |
1934 | [OVS_TUNNEL_KEY_ATTR_GENEVE_OPTS] = { .len = ATTR_LEN_VARIABLE }, | |
1935 | [OVS_TUNNEL_KEY_ATTR_VXLAN_OPTS] = { .len = ATTR_LEN_NESTED, | |
1936 | .next = ovs_vxlan_ext_attr_lens , | |
1937 | .next_max = OVS_VXLAN_EXT_MAX}, | |
ffe4c74f JB |
1938 | [OVS_TUNNEL_KEY_ATTR_IPV6_SRC] = { .len = 16 }, |
1939 | [OVS_TUNNEL_KEY_ATTR_IPV6_DST] = { .len = 16 }, | |
6b8da9e9 JG |
1940 | }; |
1941 | ||
1942 | static const struct attr_len_tbl ovs_flow_key_attr_lens[OVS_KEY_ATTR_MAX + 1] = { | |
1943 | [OVS_KEY_ATTR_ENCAP] = { .len = ATTR_LEN_NESTED }, | |
1944 | [OVS_KEY_ATTR_PRIORITY] = { .len = 4 }, | |
1945 | [OVS_KEY_ATTR_SKB_MARK] = { .len = 4 }, | |
1946 | [OVS_KEY_ATTR_DP_HASH] = { .len = 4 }, | |
1947 | [OVS_KEY_ATTR_RECIRC_ID] = { .len = 4 }, | |
1948 | [OVS_KEY_ATTR_TUNNEL] = { .len = ATTR_LEN_NESTED, | |
1949 | .next = ovs_tun_key_attr_lens, | |
1950 | .next_max = OVS_TUNNEL_KEY_ATTR_MAX }, | |
1951 | [OVS_KEY_ATTR_IN_PORT] = { .len = 4 }, | |
1952 | [OVS_KEY_ATTR_ETHERNET] = { .len = sizeof(struct ovs_key_ethernet) }, | |
1953 | [OVS_KEY_ATTR_VLAN] = { .len = 2 }, | |
1954 | [OVS_KEY_ATTR_ETHERTYPE] = { .len = 2 }, | |
1955 | [OVS_KEY_ATTR_MPLS] = { .len = ATTR_LEN_VARIABLE }, | |
1956 | [OVS_KEY_ATTR_IPV4] = { .len = sizeof(struct ovs_key_ipv4) }, | |
1957 | [OVS_KEY_ATTR_IPV6] = { .len = sizeof(struct ovs_key_ipv6) }, | |
1958 | [OVS_KEY_ATTR_TCP] = { .len = sizeof(struct ovs_key_tcp) }, | |
1959 | [OVS_KEY_ATTR_TCP_FLAGS] = { .len = 2 }, | |
1960 | [OVS_KEY_ATTR_UDP] = { .len = sizeof(struct ovs_key_udp) }, | |
1961 | [OVS_KEY_ATTR_SCTP] = { .len = sizeof(struct ovs_key_sctp) }, | |
1962 | [OVS_KEY_ATTR_ICMP] = { .len = sizeof(struct ovs_key_icmp) }, | |
1963 | [OVS_KEY_ATTR_ICMPV6] = { .len = sizeof(struct ovs_key_icmpv6) }, | |
1964 | [OVS_KEY_ATTR_ARP] = { .len = sizeof(struct ovs_key_arp) }, | |
1965 | [OVS_KEY_ATTR_ND] = { .len = sizeof(struct ovs_key_nd) }, | |
07659514 JS |
1966 | [OVS_KEY_ATTR_CT_STATE] = { .len = 4 }, |
1967 | [OVS_KEY_ATTR_CT_ZONE] = { .len = 2 }, | |
8e53fe8c | 1968 | [OVS_KEY_ATTR_CT_MARK] = { .len = 4 }, |
9daf2348 | 1969 | [OVS_KEY_ATTR_CT_LABELS] = { .len = sizeof(struct ovs_key_ct_labels) }, |
c30b4cea JR |
1970 | [OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV4] = { .len = sizeof(struct ovs_key_ct_tuple_ipv4) }, |
1971 | [OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV6] = { .len = sizeof(struct ovs_key_ct_tuple_ipv6) }, | |
beb75a40 | 1972 | [OVS_KEY_ATTR_PACKET_TYPE] = { .len = 4 }, |
6b8da9e9 JG |
1973 | }; |
1974 | ||
36956a7d | 1975 | /* Returns the correct length of the payload for a flow key attribute of the |
6b8da9e9 JG |
1976 | * specified 'type', ATTR_LEN_INVALID if 'type' is unknown, ATTR_LEN_VARIABLE |
1977 | * if the attribute's payload is variable length, or ATTR_LEN_NESTED if the | |
1978 | * payload is a nested type. */ | |
36956a7d | 1979 | static int |
ce9c9b8b | 1980 | odp_key_attr_len(const struct attr_len_tbl tbl[], int max_type, uint16_t type) |
36956a7d | 1981 | { |
ce9c9b8b | 1982 | if (type > max_type) { |
6b8da9e9 | 1983 | return ATTR_LEN_INVALID; |
36956a7d BP |
1984 | } |
1985 | ||
6b8da9e9 | 1986 | return tbl[type].len; |
36956a7d BP |
1987 | } |
1988 | ||
36956a7d BP |
1989 | static void |
1990 | format_generic_odp_key(const struct nlattr *a, struct ds *ds) | |
1991 | { | |
1992 | size_t len = nl_attr_get_size(a); | |
36956a7d BP |
1993 | if (len) { |
1994 | const uint8_t *unspec; | |
1995 | unsigned int i; | |
1996 | ||
1997 | unspec = nl_attr_get(a); | |
1998 | for (i = 0; i < len; i++) { | |
e6cc0bab AZ |
1999 | if (i) { |
2000 | ds_put_char(ds, ' '); | |
2001 | } | |
36956a7d BP |
2002 | ds_put_format(ds, "%02x", unspec[i]); |
2003 | } | |
36956a7d BP |
2004 | } |
2005 | } | |
2006 | ||
7257b535 BP |
2007 | static const char * |
2008 | ovs_frag_type_to_string(enum ovs_frag_type type) | |
2009 | { | |
2010 | switch (type) { | |
2011 | case OVS_FRAG_TYPE_NONE: | |
2012 | return "no"; | |
2013 | case OVS_FRAG_TYPE_FIRST: | |
2014 | return "first"; | |
2015 | case OVS_FRAG_TYPE_LATER: | |
2016 | return "later"; | |
2017 | case __OVS_FRAG_TYPE_MAX: | |
2018 | default: | |
2019 | return "<error>"; | |
2020 | } | |
2021 | } | |
2022 | ||
ec1f6f32 | 2023 | static enum odp_key_fitness |
8d8ab6c2 JG |
2024 | odp_tun_key_from_attr__(const struct nlattr *attr, bool is_mask, |
2025 | struct flow_tnl *tun) | |
9b405f1a PS |
2026 | { |
2027 | unsigned int left; | |
2028 | const struct nlattr *a; | |
2029 | bool ttl = false; | |
2030 | bool unknown = false; | |
2031 | ||
2032 | NL_NESTED_FOR_EACH(a, left, attr) { | |
2033 | uint16_t type = nl_attr_type(a); | |
2034 | size_t len = nl_attr_get_size(a); | |
6b8da9e9 JG |
2035 | int expected_len = odp_key_attr_len(ovs_tun_key_attr_lens, |
2036 | OVS_TUNNEL_ATTR_MAX, type); | |
9b405f1a PS |
2037 | |
2038 | if (len != expected_len && expected_len >= 0) { | |
2039 | return ODP_FIT_ERROR; | |
2040 | } | |
2041 | ||
2042 | switch (type) { | |
2043 | case OVS_TUNNEL_KEY_ATTR_ID: | |
2044 | tun->tun_id = nl_attr_get_be64(a); | |
2045 | tun->flags |= FLOW_TNL_F_KEY; | |
2046 | break; | |
2047 | case OVS_TUNNEL_KEY_ATTR_IPV4_SRC: | |
2048 | tun->ip_src = nl_attr_get_be32(a); | |
2049 | break; | |
2050 | case OVS_TUNNEL_KEY_ATTR_IPV4_DST: | |
2051 | tun->ip_dst = nl_attr_get_be32(a); | |
2052 | break; | |
ffe4c74f JB |
2053 | case OVS_TUNNEL_KEY_ATTR_IPV6_SRC: |
2054 | tun->ipv6_src = nl_attr_get_in6_addr(a); | |
2055 | break; | |
2056 | case OVS_TUNNEL_KEY_ATTR_IPV6_DST: | |
2057 | tun->ipv6_dst = nl_attr_get_in6_addr(a); | |
2058 | break; | |
9b405f1a PS |
2059 | case OVS_TUNNEL_KEY_ATTR_TOS: |
2060 | tun->ip_tos = nl_attr_get_u8(a); | |
2061 | break; | |
2062 | case OVS_TUNNEL_KEY_ATTR_TTL: | |
2063 | tun->ip_ttl = nl_attr_get_u8(a); | |
2064 | ttl = true; | |
2065 | break; | |
2066 | case OVS_TUNNEL_KEY_ATTR_DONT_FRAGMENT: | |
2067 | tun->flags |= FLOW_TNL_F_DONT_FRAGMENT; | |
2068 | break; | |
2069 | case OVS_TUNNEL_KEY_ATTR_CSUM: | |
2070 | tun->flags |= FLOW_TNL_F_CSUM; | |
2071 | break; | |
8b7ea2d4 WZ |
2072 | case OVS_TUNNEL_KEY_ATTR_TP_SRC: |
2073 | tun->tp_src = nl_attr_get_be16(a); | |
2074 | break; | |
2075 | case OVS_TUNNEL_KEY_ATTR_TP_DST: | |
2076 | tun->tp_dst = nl_attr_get_be16(a); | |
2077 | break; | |
94872594 JG |
2078 | case OVS_TUNNEL_KEY_ATTR_OAM: |
2079 | tun->flags |= FLOW_TNL_F_OAM; | |
2080 | break; | |
ac6073e3 MC |
2081 | case OVS_TUNNEL_KEY_ATTR_VXLAN_OPTS: { |
2082 | static const struct nl_policy vxlan_opts_policy[] = { | |
2083 | [OVS_VXLAN_EXT_GBP] = { .type = NL_A_U32 }, | |
2084 | }; | |
2085 | struct nlattr *ext[ARRAY_SIZE(vxlan_opts_policy)]; | |
2086 | ||
2087 | if (!nl_parse_nested(a, vxlan_opts_policy, ext, ARRAY_SIZE(ext))) { | |
2088 | return ODP_FIT_ERROR; | |
2089 | } | |
2090 | ||
2091 | if (ext[OVS_VXLAN_EXT_GBP]) { | |
2092 | uint32_t gbp = nl_attr_get_u32(ext[OVS_VXLAN_EXT_GBP]); | |
2093 | ||
2094 | tun->gbp_id = htons(gbp & 0xFFFF); | |
2095 | tun->gbp_flags = (gbp >> 16) & 0xFF; | |
2096 | } | |
2097 | ||
2098 | break; | |
2099 | } | |
9558d2a5 | 2100 | case OVS_TUNNEL_KEY_ATTR_GENEVE_OPTS: |
8d8ab6c2 | 2101 | tun_metadata_from_geneve_nlattr(a, is_mask, tun); |
c1fc1411 | 2102 | break; |
9558d2a5 | 2103 | |
9b405f1a PS |
2104 | default: |
2105 | /* Allow this to show up as unexpected, if there are unknown | |
2106 | * tunnel attribute, eventually resulting in ODP_FIT_TOO_MUCH. */ | |
2107 | unknown = true; | |
2108 | break; | |
2109 | } | |
2110 | } | |
2111 | ||
2112 | if (!ttl) { | |
2113 | return ODP_FIT_ERROR; | |
2114 | } | |
2115 | if (unknown) { | |
758c456d | 2116 | return ODP_FIT_TOO_MUCH; |
9b405f1a PS |
2117 | } |
2118 | return ODP_FIT_PERFECT; | |
2119 | } | |
2120 | ||
ec1f6f32 | 2121 | enum odp_key_fitness |
8d8ab6c2 | 2122 | odp_tun_key_from_attr(const struct nlattr *attr, struct flow_tnl *tun) |
ec1f6f32 | 2123 | { |
35303d71 | 2124 | memset(tun, 0, sizeof *tun); |
8d8ab6c2 | 2125 | return odp_tun_key_from_attr__(attr, false, tun); |
ec1f6f32 JG |
2126 | } |
2127 | ||
9b405f1a | 2128 | static void |
ec1f6f32 | 2129 | tun_key_to_attr(struct ofpbuf *a, const struct flow_tnl *tun_key, |
9558d2a5 JG |
2130 | const struct flow_tnl *tun_flow_key, |
2131 | const struct ofpbuf *key_buf) | |
9b405f1a PS |
2132 | { |
2133 | size_t tun_key_ofs; | |
2134 | ||
2135 | tun_key_ofs = nl_msg_start_nested(a, OVS_KEY_ATTR_TUNNEL); | |
2136 | ||
27a8cbbc BP |
2137 | /* tun_id != 0 without FLOW_TNL_F_KEY is valid if tun_key is a mask. */ |
2138 | if (tun_key->tun_id || tun_key->flags & FLOW_TNL_F_KEY) { | |
9b405f1a PS |
2139 | nl_msg_put_be64(a, OVS_TUNNEL_KEY_ATTR_ID, tun_key->tun_id); |
2140 | } | |
2141 | if (tun_key->ip_src) { | |
2142 | nl_msg_put_be32(a, OVS_TUNNEL_KEY_ATTR_IPV4_SRC, tun_key->ip_src); | |
2143 | } | |
2144 | if (tun_key->ip_dst) { | |
2145 | nl_msg_put_be32(a, OVS_TUNNEL_KEY_ATTR_IPV4_DST, tun_key->ip_dst); | |
2146 | } | |
ffe4c74f JB |
2147 | if (ipv6_addr_is_set(&tun_key->ipv6_src)) { |
2148 | nl_msg_put_in6_addr(a, OVS_TUNNEL_KEY_ATTR_IPV6_SRC, &tun_key->ipv6_src); | |
2149 | } | |
2150 | if (ipv6_addr_is_set(&tun_key->ipv6_dst)) { | |
2151 | nl_msg_put_in6_addr(a, OVS_TUNNEL_KEY_ATTR_IPV6_DST, &tun_key->ipv6_dst); | |
2152 | } | |
9b405f1a PS |
2153 | if (tun_key->ip_tos) { |
2154 | nl_msg_put_u8(a, OVS_TUNNEL_KEY_ATTR_TOS, tun_key->ip_tos); | |
2155 | } | |
2156 | nl_msg_put_u8(a, OVS_TUNNEL_KEY_ATTR_TTL, tun_key->ip_ttl); | |
2157 | if (tun_key->flags & FLOW_TNL_F_DONT_FRAGMENT) { | |
2158 | nl_msg_put_flag(a, OVS_TUNNEL_KEY_ATTR_DONT_FRAGMENT); | |
2159 | } | |
2160 | if (tun_key->flags & FLOW_TNL_F_CSUM) { | |
2161 | nl_msg_put_flag(a, OVS_TUNNEL_KEY_ATTR_CSUM); | |
2162 | } | |
8b7ea2d4 WZ |
2163 | if (tun_key->tp_src) { |
2164 | nl_msg_put_be16(a, OVS_TUNNEL_KEY_ATTR_TP_SRC, tun_key->tp_src); | |
2165 | } | |
2166 | if (tun_key->tp_dst) { | |
2167 | nl_msg_put_be16(a, OVS_TUNNEL_KEY_ATTR_TP_DST, tun_key->tp_dst); | |
2168 | } | |
94872594 JG |
2169 | if (tun_key->flags & FLOW_TNL_F_OAM) { |
2170 | nl_msg_put_flag(a, OVS_TUNNEL_KEY_ATTR_OAM); | |
2171 | } | |
ac6073e3 MC |
2172 | if (tun_key->gbp_flags || tun_key->gbp_id) { |
2173 | size_t vxlan_opts_ofs; | |
2174 | ||
2175 | vxlan_opts_ofs = nl_msg_start_nested(a, OVS_TUNNEL_KEY_ATTR_VXLAN_OPTS); | |
2176 | nl_msg_put_u32(a, OVS_VXLAN_EXT_GBP, | |
2177 | (tun_key->gbp_flags << 16) | ntohs(tun_key->gbp_id)); | |
2178 | nl_msg_end_nested(a, vxlan_opts_ofs); | |
2179 | } | |
6728d578 | 2180 | tun_metadata_to_geneve_nlattr(tun_key, tun_flow_key, key_buf, a); |
9558d2a5 | 2181 | |
9b405f1a | 2182 | nl_msg_end_nested(a, tun_key_ofs); |
29c7a2b2 PS |
2183 | } |
2184 | ||
b17298ae BP |
2185 | static bool |
2186 | odp_mask_is_constant__(enum ovs_key_attr attr, const void *mask, size_t size, | |
2187 | int constant) | |
2188 | { | |
2189 | /* Convert 'constant' to all the widths we need. C conversion rules ensure | |
2190 | * that -1 becomes all-1-bits and 0 does not change. */ | |
2191 | ovs_be16 be16 = (OVS_FORCE ovs_be16) constant; | |
2192 | uint32_t u32 = constant; | |
2193 | uint8_t u8 = constant; | |
2194 | const struct in6_addr *in6 = constant ? &in6addr_exact : &in6addr_any; | |
2195 | ||
2196 | switch (attr) { | |
2197 | case OVS_KEY_ATTR_UNSPEC: | |
2198 | case OVS_KEY_ATTR_ENCAP: | |
2199 | case __OVS_KEY_ATTR_MAX: | |
2200 | default: | |
2201 | return false; | |
2202 | ||
2203 | case OVS_KEY_ATTR_PRIORITY: | |
2204 | case OVS_KEY_ATTR_IN_PORT: | |
2205 | case OVS_KEY_ATTR_ETHERNET: | |
2206 | case OVS_KEY_ATTR_VLAN: | |
2207 | case OVS_KEY_ATTR_ETHERTYPE: | |
2208 | case OVS_KEY_ATTR_IPV4: | |
2209 | case OVS_KEY_ATTR_TCP: | |
2210 | case OVS_KEY_ATTR_UDP: | |
2211 | case OVS_KEY_ATTR_ICMP: | |
2212 | case OVS_KEY_ATTR_ICMPV6: | |
2213 | case OVS_KEY_ATTR_ND: | |
2214 | case OVS_KEY_ATTR_SKB_MARK: | |
2215 | case OVS_KEY_ATTR_TUNNEL: | |
2216 | case OVS_KEY_ATTR_SCTP: | |
2217 | case OVS_KEY_ATTR_DP_HASH: | |
2218 | case OVS_KEY_ATTR_RECIRC_ID: | |
2219 | case OVS_KEY_ATTR_MPLS: | |
2220 | case OVS_KEY_ATTR_CT_STATE: | |
2221 | case OVS_KEY_ATTR_CT_ZONE: | |
2222 | case OVS_KEY_ATTR_CT_MARK: | |
2223 | case OVS_KEY_ATTR_CT_LABELS: | |
2224 | case OVS_KEY_ATTR_PACKET_TYPE: | |
2225 | return is_all_byte(mask, size, u8); | |
2226 | ||
2227 | case OVS_KEY_ATTR_TCP_FLAGS: | |
2228 | return TCP_FLAGS(*(ovs_be16 *) mask) == TCP_FLAGS(be16); | |
2229 | ||
2230 | case OVS_KEY_ATTR_IPV6: { | |
2231 | const struct ovs_key_ipv6 *ipv6_mask = mask; | |
2232 | return ((ipv6_mask->ipv6_label & htonl(IPV6_LABEL_MASK)) | |
2233 | == htonl(IPV6_LABEL_MASK & u32) | |
2234 | && ipv6_mask->ipv6_proto == u8 | |
2235 | && ipv6_mask->ipv6_tclass == u8 | |
2236 | && ipv6_mask->ipv6_hlimit == u8 | |
2237 | && ipv6_mask->ipv6_frag == u8 | |
2238 | && ipv6_addr_equals(&ipv6_mask->ipv6_src, in6) | |
2239 | && ipv6_addr_equals(&ipv6_mask->ipv6_dst, in6)); | |
2240 | } | |
2241 | ||
2242 | case OVS_KEY_ATTR_ARP: | |
2243 | return is_all_byte(mask, OFFSETOFEND(struct ovs_key_arp, arp_tha), u8); | |
2244 | ||
2245 | case OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV4: | |
2246 | return is_all_byte(mask, OFFSETOFEND(struct ovs_key_ct_tuple_ipv4, | |
2247 | ipv4_proto), u8); | |
2248 | ||
2249 | case OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV6: | |
2250 | return is_all_byte(mask, OFFSETOFEND(struct ovs_key_ct_tuple_ipv6, | |
2251 | ipv6_proto), u8); | |
2252 | } | |
2253 | } | |
2254 | ||
2255 | /* The caller must already have verified that 'ma' has a correct length. | |
2256 | * | |
2257 | * The main purpose of this function is formatting, to allow code to figure out | |
2258 | * whether the mask can be omitted. It doesn't try hard for attributes that | |
2259 | * contain sub-attributes, etc., because normally those would be broken down | |
2260 | * further for formatting. */ | |
041e7168 AZ |
2261 | static bool |
2262 | odp_mask_attr_is_wildcard(const struct nlattr *ma) | |
2263 | { | |
b17298ae BP |
2264 | return odp_mask_is_constant__(nl_attr_type(ma), |
2265 | nl_attr_get(ma), nl_attr_get_size(ma), 0); | |
041e7168 AZ |
2266 | } |
2267 | ||
2f73024d | 2268 | /* The caller must already have verified that 'size' is a correct length for |
b17298ae BP |
2269 | * 'attr'. |
2270 | * | |
2271 | * The main purpose of this function is formatting, to allow code to figure out | |
2272 | * whether the mask can be omitted. It doesn't try hard for attributes that | |
2273 | * contain sub-attributes, etc., because normally those would be broken down | |
2274 | * further for formatting. */ | |
e6cc0bab | 2275 | static bool |
d23df9a8 | 2276 | odp_mask_is_exact(enum ovs_key_attr attr, const void *mask, size_t size) |
e6cc0bab | 2277 | { |
b17298ae | 2278 | return odp_mask_is_constant__(attr, mask, size, -1); |
d23df9a8 JR |
2279 | } |
2280 | ||
2f73024d | 2281 | /* The caller must already have verified that 'ma' has a correct length. */ |
d23df9a8 JR |
2282 | static bool |
2283 | odp_mask_attr_is_exact(const struct nlattr *ma) | |
2284 | { | |
d23df9a8 | 2285 | enum ovs_key_attr attr = nl_attr_type(ma); |
a4e8ed0c | 2286 | return odp_mask_is_exact(attr, nl_attr_get(ma), nl_attr_get_size(ma)); |
e6cc0bab AZ |
2287 | } |
2288 | ||
0a37839c GS |
2289 | void |
2290 | odp_portno_names_set(struct hmap *portno_names, odp_port_t port_no, | |
2291 | char *port_name) | |
2292 | { | |
2293 | struct odp_portno_names *odp_portno_names; | |
2294 | ||
2295 | odp_portno_names = xmalloc(sizeof *odp_portno_names); | |
2296 | odp_portno_names->port_no = port_no; | |
2297 | odp_portno_names->name = xstrdup(port_name); | |
2298 | hmap_insert(portno_names, &odp_portno_names->hmap_node, | |
2299 | hash_odp_port(port_no)); | |
2300 | } | |
2301 | ||
2302 | static char * | |
2303 | odp_portno_names_get(const struct hmap *portno_names, odp_port_t port_no) | |
2304 | { | |
0722f341 BP |
2305 | if (portno_names) { |
2306 | struct odp_portno_names *odp_portno_names; | |
0a37839c | 2307 | |
0722f341 BP |
2308 | HMAP_FOR_EACH_IN_BUCKET (odp_portno_names, hmap_node, |
2309 | hash_odp_port(port_no), portno_names) { | |
2310 | if (odp_portno_names->port_no == port_no) { | |
2311 | return odp_portno_names->name; | |
2312 | } | |
0a37839c GS |
2313 | } |
2314 | } | |
2315 | return NULL; | |
2316 | } | |
2317 | ||
2318 | void | |
2319 | odp_portno_names_destroy(struct hmap *portno_names) | |
2320 | { | |
4ec3d7c7 DDP |
2321 | struct odp_portno_names *odp_portno_names; |
2322 | ||
2323 | HMAP_FOR_EACH_POP (odp_portno_names, hmap_node, portno_names) { | |
0a37839c GS |
2324 | free(odp_portno_names->name); |
2325 | free(odp_portno_names); | |
2326 | } | |
2327 | } | |
e6cc0bab | 2328 | |
0722f341 BP |
2329 | void |
2330 | odp_portno_name_format(const struct hmap *portno_names, odp_port_t port_no, | |
2331 | struct ds *s) | |
2332 | { | |
2333 | const char *name = odp_portno_names_get(portno_names, port_no); | |
2334 | if (name) { | |
2335 | ds_put_cstr(s, name); | |
2336 | } else { | |
2337 | ds_put_format(s, "%"PRIu32, port_no); | |
2338 | } | |
2339 | } | |
2340 | ||
2d18eae8 JR |
2341 | /* Format helpers. */ |
2342 | ||
2343 | static void | |
74ff3298 JR |
2344 | format_eth(struct ds *ds, const char *name, const struct eth_addr key, |
2345 | const struct eth_addr *mask, bool verbose) | |
2d18eae8 JR |
2346 | { |
2347 | bool mask_empty = mask && eth_addr_is_zero(*mask); | |
2348 | ||
2349 | if (verbose || !mask_empty) { | |
2350 | bool mask_full = !mask || eth_mask_is_exact(*mask); | |
2351 | ||
2352 | if (mask_full) { | |
2353 | ds_put_format(ds, "%s="ETH_ADDR_FMT",", name, ETH_ADDR_ARGS(key)); | |
2354 | } else { | |
2355 | ds_put_format(ds, "%s=", name); | |
74ff3298 | 2356 | eth_format_masked(key, mask, ds); |
2d18eae8 JR |
2357 | ds_put_char(ds, ','); |
2358 | } | |
2359 | } | |
2360 | } | |
2361 | ||
2362 | static void | |
2363 | format_be64(struct ds *ds, const char *name, ovs_be64 key, | |
2364 | const ovs_be64 *mask, bool verbose) | |
2365 | { | |
2366 | bool mask_empty = mask && !*mask; | |
2367 | ||
2368 | if (verbose || !mask_empty) { | |
2369 | bool mask_full = !mask || *mask == OVS_BE64_MAX; | |
2370 | ||
2371 | ds_put_format(ds, "%s=0x%"PRIx64, name, ntohll(key)); | |
2372 | if (!mask_full) { /* Partially masked. */ | |
2373 | ds_put_format(ds, "/%#"PRIx64, ntohll(*mask)); | |
2374 | } | |
2375 | ds_put_char(ds, ','); | |
2376 | } | |
2377 | } | |
2378 | ||
2379 | static void | |
2380 | format_ipv4(struct ds *ds, const char *name, ovs_be32 key, | |
2381 | const ovs_be32 *mask, bool verbose) | |
2382 | { | |
2383 | bool mask_empty = mask && !*mask; | |
2384 | ||
2385 | if (verbose || !mask_empty) { | |
2386 | bool mask_full = !mask || *mask == OVS_BE32_MAX; | |
2387 | ||
2388 | ds_put_format(ds, "%s="IP_FMT, name, IP_ARGS(key)); | |
2389 | if (!mask_full) { /* Partially masked. */ | |
2390 | ds_put_format(ds, "/"IP_FMT, IP_ARGS(*mask)); | |
2391 | } | |
2392 | ds_put_char(ds, ','); | |
2393 | } | |
2394 | } | |
2395 | ||
2396 | static void | |
d15aef48 JB |
2397 | format_in6_addr(struct ds *ds, const char *name, |
2398 | const struct in6_addr *key, | |
2399 | const struct in6_addr *mask, | |
2400 | bool verbose) | |
2d18eae8 JR |
2401 | { |
2402 | char buf[INET6_ADDRSTRLEN]; | |
2d18eae8 JR |
2403 | bool mask_empty = mask && ipv6_mask_is_any(mask); |
2404 | ||
2405 | if (verbose || !mask_empty) { | |
2406 | bool mask_full = !mask || ipv6_mask_is_exact(mask); | |
2407 | ||
2408 | inet_ntop(AF_INET6, key, buf, sizeof buf); | |
2409 | ds_put_format(ds, "%s=%s", name, buf); | |
2410 | if (!mask_full) { /* Partially masked. */ | |
2411 | inet_ntop(AF_INET6, mask, buf, sizeof buf); | |
2412 | ds_put_format(ds, "/%s", buf); | |
2413 | } | |
2414 | ds_put_char(ds, ','); | |
2415 | } | |
2416 | } | |
2417 | ||
2418 | static void | |
2419 | format_ipv6_label(struct ds *ds, const char *name, ovs_be32 key, | |
2420 | const ovs_be32 *mask, bool verbose) | |
2421 | { | |
2422 | bool mask_empty = mask && !*mask; | |
2423 | ||
2424 | if (verbose || !mask_empty) { | |
2425 | bool mask_full = !mask | |
2426 | || (*mask & htonl(IPV6_LABEL_MASK)) == htonl(IPV6_LABEL_MASK); | |
2427 | ||
2428 | ds_put_format(ds, "%s=%#"PRIx32, name, ntohl(key)); | |
2429 | if (!mask_full) { /* Partially masked. */ | |
2430 | ds_put_format(ds, "/%#"PRIx32, ntohl(*mask)); | |
2431 | } | |
2432 | ds_put_char(ds, ','); | |
2433 | } | |
2434 | } | |
2435 | ||
2436 | static void | |
2437 | format_u8x(struct ds *ds, const char *name, uint8_t key, | |
2438 | const uint8_t *mask, bool verbose) | |
2439 | { | |
2440 | bool mask_empty = mask && !*mask; | |
2441 | ||
2442 | if (verbose || !mask_empty) { | |
2443 | bool mask_full = !mask || *mask == UINT8_MAX; | |
2444 | ||
2445 | ds_put_format(ds, "%s=%#"PRIx8, name, key); | |
2446 | if (!mask_full) { /* Partially masked. */ | |
2447 | ds_put_format(ds, "/%#"PRIx8, *mask); | |
2448 | } | |
2449 | ds_put_char(ds, ','); | |
2450 | } | |
2451 | } | |
2452 | ||
2453 | static void | |
2454 | format_u8u(struct ds *ds, const char *name, uint8_t key, | |
2455 | const uint8_t *mask, bool verbose) | |
2456 | { | |
2457 | bool mask_empty = mask && !*mask; | |
2458 | ||
2459 | if (verbose || !mask_empty) { | |
2460 | bool mask_full = !mask || *mask == UINT8_MAX; | |
2461 | ||
2462 | ds_put_format(ds, "%s=%"PRIu8, name, key); | |
2463 | if (!mask_full) { /* Partially masked. */ | |
2464 | ds_put_format(ds, "/%#"PRIx8, *mask); | |
2465 | } | |
2466 | ds_put_char(ds, ','); | |
2467 | } | |
2468 | } | |
2469 | ||
2470 | static void | |
2471 | format_be16(struct ds *ds, const char *name, ovs_be16 key, | |
2472 | const ovs_be16 *mask, bool verbose) | |
2473 | { | |
2474 | bool mask_empty = mask && !*mask; | |
2475 | ||
2476 | if (verbose || !mask_empty) { | |
2477 | bool mask_full = !mask || *mask == OVS_BE16_MAX; | |
2478 | ||
2479 | ds_put_format(ds, "%s=%"PRIu16, name, ntohs(key)); | |
2480 | if (!mask_full) { /* Partially masked. */ | |
2481 | ds_put_format(ds, "/%#"PRIx16, ntohs(*mask)); | |
2482 | } | |
2483 | ds_put_char(ds, ','); | |
2484 | } | |
2485 | } | |
2486 | ||
622a0a8e JG |
2487 | static void |
2488 | format_be16x(struct ds *ds, const char *name, ovs_be16 key, | |
2489 | const ovs_be16 *mask, bool verbose) | |
2490 | { | |
2491 | bool mask_empty = mask && !*mask; | |
2492 | ||
2493 | if (verbose || !mask_empty) { | |
2494 | bool mask_full = !mask || *mask == OVS_BE16_MAX; | |
2495 | ||
2496 | ds_put_format(ds, "%s=%#"PRIx16, name, ntohs(key)); | |
2497 | if (!mask_full) { /* Partially masked. */ | |
2498 | ds_put_format(ds, "/%#"PRIx16, ntohs(*mask)); | |
2499 | } | |
2500 | ds_put_char(ds, ','); | |
2501 | } | |
2502 | } | |
2503 | ||
2d18eae8 JR |
2504 | static void |
2505 | format_tun_flags(struct ds *ds, const char *name, uint16_t key, | |
2506 | const uint16_t *mask, bool verbose) | |
2507 | { | |
2508 | bool mask_empty = mask && !*mask; | |
2509 | ||
2510 | if (verbose || !mask_empty) { | |
2d18eae8 JR |
2511 | ds_put_cstr(ds, name); |
2512 | ds_put_char(ds, '('); | |
8e4c1621 JG |
2513 | if (mask) { |
2514 | format_flags_masked(ds, NULL, flow_tun_flag_to_string, key, | |
2515 | *mask & FLOW_TNL_F_MASK, FLOW_TNL_F_MASK); | |
2d18eae8 | 2516 | } else { /* Fully masked. */ |
8e4c1621 | 2517 | format_flags(ds, flow_tun_flag_to_string, key, '|'); |
2d18eae8 JR |
2518 | } |
2519 | ds_put_cstr(ds, "),"); | |
2520 | } | |
2521 | } | |
2522 | ||
65da723b JG |
2523 | static bool |
2524 | check_attr_len(struct ds *ds, const struct nlattr *a, const struct nlattr *ma, | |
ce9c9b8b | 2525 | const struct attr_len_tbl tbl[], int max_type, bool need_key) |
65da723b JG |
2526 | { |
2527 | int expected_len; | |
2528 | ||
ce9c9b8b | 2529 | expected_len = odp_key_attr_len(tbl, max_type, nl_attr_type(a)); |
65da723b JG |
2530 | if (expected_len != ATTR_LEN_VARIABLE && |
2531 | expected_len != ATTR_LEN_NESTED) { | |
2532 | ||
2533 | bool bad_key_len = nl_attr_get_size(a) != expected_len; | |
2534 | bool bad_mask_len = ma && nl_attr_get_size(ma) != expected_len; | |
2535 | ||
2536 | if (bad_key_len || bad_mask_len) { | |
2537 | if (need_key) { | |
2538 | ds_put_format(ds, "key%u", nl_attr_type(a)); | |
2539 | } | |
2540 | if (bad_key_len) { | |
2541 | ds_put_format(ds, "(bad key length %"PRIuSIZE", expected %d)(", | |
2542 | nl_attr_get_size(a), expected_len); | |
2543 | } | |
2544 | format_generic_odp_key(a, ds); | |
2545 | if (ma) { | |
2546 | ds_put_char(ds, '/'); | |
2547 | if (bad_mask_len) { | |
2548 | ds_put_format(ds, "(bad mask length %"PRIuSIZE", expected %d)(", | |
2549 | nl_attr_get_size(ma), expected_len); | |
2550 | } | |
2551 | format_generic_odp_key(ma, ds); | |
2552 | } | |
2553 | ds_put_char(ds, ')'); | |
2554 | return false; | |
2555 | } | |
2556 | } | |
2557 | ||
2558 | return true; | |
2559 | } | |
2560 | ||
2561 | static void | |
2562 | format_unknown_key(struct ds *ds, const struct nlattr *a, | |
2563 | const struct nlattr *ma) | |
2564 | { | |
2565 | ds_put_format(ds, "key%u(", nl_attr_type(a)); | |
2566 | format_generic_odp_key(a, ds); | |
2567 | if (ma && !odp_mask_attr_is_exact(ma)) { | |
2568 | ds_put_char(ds, '/'); | |
2569 | format_generic_odp_key(ma, ds); | |
2570 | } | |
2571 | ds_put_cstr(ds, "),"); | |
2572 | } | |
2573 | ||
2574 | static void | |
2575 | format_odp_tun_vxlan_opt(const struct nlattr *attr, | |
2576 | const struct nlattr *mask_attr, struct ds *ds, | |
2577 | bool verbose) | |
2578 | { | |
2579 | unsigned int left; | |
2580 | const struct nlattr *a; | |
2581 | struct ofpbuf ofp; | |
2582 | ||
2583 | ofpbuf_init(&ofp, 100); | |
2584 | NL_NESTED_FOR_EACH(a, left, attr) { | |
2585 | uint16_t type = nl_attr_type(a); | |
2586 | const struct nlattr *ma = NULL; | |
2587 | ||
2588 | if (mask_attr) { | |
2589 | ma = nl_attr_find__(nl_attr_get(mask_attr), | |
2590 | nl_attr_get_size(mask_attr), type); | |
2591 | if (!ma) { | |
2592 | ma = generate_all_wildcard_mask(ovs_vxlan_ext_attr_lens, | |
2593 | OVS_VXLAN_EXT_MAX, | |
2594 | &ofp, a); | |
2595 | } | |
2596 | } | |
2597 | ||
2598 | if (!check_attr_len(ds, a, ma, ovs_vxlan_ext_attr_lens, | |
2599 | OVS_VXLAN_EXT_MAX, true)) { | |
2600 | continue; | |
2601 | } | |
2602 | ||
2603 | switch (type) { | |
2604 | case OVS_VXLAN_EXT_GBP: { | |
2605 | uint32_t key = nl_attr_get_u32(a); | |
2606 | ovs_be16 id, id_mask; | |
498535c3 | 2607 | uint8_t flags, flags_mask = 0; |
65da723b JG |
2608 | |
2609 | id = htons(key & 0xFFFF); | |
2610 | flags = (key >> 16) & 0xFF; | |
2611 | if (ma) { | |
2612 | uint32_t mask = nl_attr_get_u32(ma); | |
2613 | id_mask = htons(mask & 0xFFFF); | |
2614 | flags_mask = (mask >> 16) & 0xFF; | |
2615 | } | |
2616 | ||
2617 | ds_put_cstr(ds, "gbp("); | |
2618 | format_be16(ds, "id", id, ma ? &id_mask : NULL, verbose); | |
2619 | format_u8x(ds, "flags", flags, ma ? &flags_mask : NULL, verbose); | |
2620 | ds_chomp(ds, ','); | |
2621 | ds_put_cstr(ds, "),"); | |
2622 | break; | |
2623 | } | |
2624 | ||
2625 | default: | |
2626 | format_unknown_key(ds, a, ma); | |
2627 | } | |
2628 | ofpbuf_clear(&ofp); | |
2629 | } | |
2630 | ||
2631 | ds_chomp(ds, ','); | |
2632 | ofpbuf_uninit(&ofp); | |
2633 | } | |
2634 | ||
622a0a8e JG |
2635 | #define MASK(PTR, FIELD) PTR ? &PTR->FIELD : NULL |
2636 | ||
2637 | static void | |
5bb08b0e JG |
2638 | format_geneve_opts(const struct geneve_opt *opt, |
2639 | const struct geneve_opt *mask, int opts_len, | |
2640 | struct ds *ds, bool verbose) | |
622a0a8e | 2641 | { |
622a0a8e JG |
2642 | while (opts_len > 0) { |
2643 | unsigned int len; | |
2644 | uint8_t data_len, data_len_mask; | |
2645 | ||
2646 | if (opts_len < sizeof *opt) { | |
2647 | ds_put_format(ds, "opt len %u less than minimum %"PRIuSIZE, | |
2648 | opts_len, sizeof *opt); | |
2649 | return; | |
2650 | } | |
2651 | ||
2652 | data_len = opt->length * 4; | |
2653 | if (mask) { | |
2654 | if (mask->length == 0x1f) { | |
2655 | data_len_mask = UINT8_MAX; | |
2656 | } else { | |
2657 | data_len_mask = mask->length; | |
2658 | } | |
2659 | } | |
2660 | len = sizeof *opt + data_len; | |
2661 | if (len > opts_len) { | |
2662 | ds_put_format(ds, "opt len %u greater than remaining %u", | |
2663 | len, opts_len); | |
2664 | return; | |
2665 | } | |
2666 | ||
2667 | ds_put_char(ds, '{'); | |
2668 | format_be16x(ds, "class", opt->opt_class, MASK(mask, opt_class), | |
2669 | verbose); | |
2670 | format_u8x(ds, "type", opt->type, MASK(mask, type), verbose); | |
2671 | format_u8u(ds, "len", data_len, mask ? &data_len_mask : NULL, verbose); | |
1cb20095 JG |
2672 | if (data_len && |
2673 | (verbose || !mask || !is_all_zeros(mask + 1, data_len))) { | |
622a0a8e JG |
2674 | ds_put_hex(ds, opt + 1, data_len); |
2675 | if (mask && !is_all_ones(mask + 1, data_len)) { | |
2676 | ds_put_char(ds, '/'); | |
2677 | ds_put_hex(ds, mask + 1, data_len); | |
2678 | } | |
2679 | } else { | |
2680 | ds_chomp(ds, ','); | |
2681 | } | |
2682 | ds_put_char(ds, '}'); | |
2683 | ||
2684 | opt += len / sizeof(*opt); | |
2685 | if (mask) { | |
2686 | mask += len / sizeof(*opt); | |
2687 | } | |
2688 | opts_len -= len; | |
2689 | }; | |
2690 | } | |
2691 | ||
5bb08b0e JG |
2692 | static void |
2693 | format_odp_tun_geneve(const struct nlattr *attr, | |
2694 | const struct nlattr *mask_attr, struct ds *ds, | |
2695 | bool verbose) | |
2696 | { | |
2697 | int opts_len = nl_attr_get_size(attr); | |
2698 | const struct geneve_opt *opt = nl_attr_get(attr); | |
2699 | const struct geneve_opt *mask = mask_attr ? | |
2700 | nl_attr_get(mask_attr) : NULL; | |
2701 | ||
2702 | if (mask && nl_attr_get_size(attr) != nl_attr_get_size(mask_attr)) { | |
2703 | ds_put_format(ds, "value len %"PRIuSIZE" different from mask len %"PRIuSIZE, | |
2704 | nl_attr_get_size(attr), nl_attr_get_size(mask_attr)); | |
2705 | return; | |
2706 | } | |
2707 | ||
2708 | format_geneve_opts(opt, mask, opts_len, ds, verbose); | |
2709 | } | |
2710 | ||
65da723b JG |
2711 | static void |
2712 | format_odp_tun_attr(const struct nlattr *attr, const struct nlattr *mask_attr, | |
2713 | struct ds *ds, bool verbose) | |
2714 | { | |
2715 | unsigned int left; | |
2716 | const struct nlattr *a; | |
2717 | uint16_t flags = 0; | |
2718 | uint16_t mask_flags = 0; | |
2719 | struct ofpbuf ofp; | |
2720 | ||
2721 | ofpbuf_init(&ofp, 100); | |
2722 | NL_NESTED_FOR_EACH(a, left, attr) { | |
2723 | enum ovs_tunnel_key_attr type = nl_attr_type(a); | |
2724 | const struct nlattr *ma = NULL; | |
2725 | ||
2726 | if (mask_attr) { | |
2727 | ma = nl_attr_find__(nl_attr_get(mask_attr), | |
2728 | nl_attr_get_size(mask_attr), type); | |
2729 | if (!ma) { | |
2730 | ma = generate_all_wildcard_mask(ovs_tun_key_attr_lens, | |
2731 | OVS_TUNNEL_KEY_ATTR_MAX, | |
2732 | &ofp, a); | |
2733 | } | |
2734 | } | |
2735 | ||
2736 | if (!check_attr_len(ds, a, ma, ovs_tun_key_attr_lens, | |
2737 | OVS_TUNNEL_KEY_ATTR_MAX, true)) { | |
2738 | continue; | |
2739 | } | |
2740 | ||
2741 | switch (type) { | |
2742 | case OVS_TUNNEL_KEY_ATTR_ID: | |
2743 | format_be64(ds, "tun_id", nl_attr_get_be64(a), | |
2744 | ma ? nl_attr_get(ma) : NULL, verbose); | |
2745 | flags |= FLOW_TNL_F_KEY; | |
2746 | if (ma) { | |
2747 | mask_flags |= FLOW_TNL_F_KEY; | |
2748 | } | |
2749 | break; | |
2750 | case OVS_TUNNEL_KEY_ATTR_IPV4_SRC: | |
2751 | format_ipv4(ds, "src", nl_attr_get_be32(a), | |
2752 | ma ? nl_attr_get(ma) : NULL, verbose); | |
2753 | break; | |
2754 | case OVS_TUNNEL_KEY_ATTR_IPV4_DST: | |
2755 | format_ipv4(ds, "dst", nl_attr_get_be32(a), | |
2756 | ma ? nl_attr_get(ma) : NULL, verbose); | |
2757 | break; | |
ffe4c74f JB |
2758 | case OVS_TUNNEL_KEY_ATTR_IPV6_SRC: { |
2759 | struct in6_addr ipv6_src; | |
2760 | ipv6_src = nl_attr_get_in6_addr(a); | |
2761 | format_in6_addr(ds, "ipv6_src", &ipv6_src, | |
2762 | ma ? nl_attr_get(ma) : NULL, verbose); | |
2763 | break; | |
2764 | } | |
2765 | case OVS_TUNNEL_KEY_ATTR_IPV6_DST: { | |
2766 | struct in6_addr ipv6_dst; | |
2767 | ipv6_dst = nl_attr_get_in6_addr(a); | |
2768 | format_in6_addr(ds, "ipv6_dst", &ipv6_dst, | |
2769 | ma ? nl_attr_get(ma) : NULL, verbose); | |
2770 | break; | |
2771 | } | |
65da723b JG |
2772 | case OVS_TUNNEL_KEY_ATTR_TOS: |
2773 | format_u8x(ds, "tos", nl_attr_get_u8(a), | |
2774 | ma ? nl_attr_get(ma) : NULL, verbose); | |
2775 | break; | |
2776 | case OVS_TUNNEL_KEY_ATTR_TTL: | |
2777 | format_u8u(ds, "ttl", nl_attr_get_u8(a), | |
2778 | ma ? nl_attr_get(ma) : NULL, verbose); | |
2779 | break; | |
2780 | case OVS_TUNNEL_KEY_ATTR_DONT_FRAGMENT: | |
2781 | flags |= FLOW_TNL_F_DONT_FRAGMENT; | |
2782 | break; | |
2783 | case OVS_TUNNEL_KEY_ATTR_CSUM: | |
2784 | flags |= FLOW_TNL_F_CSUM; | |
2785 | break; | |
2786 | case OVS_TUNNEL_KEY_ATTR_TP_SRC: | |
2787 | format_be16(ds, "tp_src", nl_attr_get_be16(a), | |
2788 | ma ? nl_attr_get(ma) : NULL, verbose); | |
2789 | break; | |
2790 | case OVS_TUNNEL_KEY_ATTR_TP_DST: | |
2791 | format_be16(ds, "tp_dst", nl_attr_get_be16(a), | |
2792 | ma ? nl_attr_get(ma) : NULL, verbose); | |
2793 | break; | |
2794 | case OVS_TUNNEL_KEY_ATTR_OAM: | |
2795 | flags |= FLOW_TNL_F_OAM; | |
2796 | break; | |
2797 | case OVS_TUNNEL_KEY_ATTR_VXLAN_OPTS: | |
2798 | ds_put_cstr(ds, "vxlan("); | |
2799 | format_odp_tun_vxlan_opt(a, ma, ds, verbose); | |
2800 | ds_put_cstr(ds, "),"); | |
2801 | break; | |
2802 | case OVS_TUNNEL_KEY_ATTR_GENEVE_OPTS: | |
622a0a8e JG |
2803 | ds_put_cstr(ds, "geneve("); |
2804 | format_odp_tun_geneve(a, ma, ds, verbose); | |
2805 | ds_put_cstr(ds, "),"); | |
2806 | break; | |
f3464818 PS |
2807 | case OVS_TUNNEL_KEY_ATTR_PAD: |
2808 | break; | |
65da723b JG |
2809 | case __OVS_TUNNEL_KEY_ATTR_MAX: |
2810 | default: | |
2811 | format_unknown_key(ds, a, ma); | |
2812 | } | |
2813 | ofpbuf_clear(&ofp); | |
2814 | } | |
2815 | ||
2816 | /* Flags can have a valid mask even if the attribute is not set, so | |
2817 | * we need to collect these separately. */ | |
2818 | if (mask_attr) { | |
2819 | NL_NESTED_FOR_EACH(a, left, mask_attr) { | |
2820 | switch (nl_attr_type(a)) { | |
2821 | case OVS_TUNNEL_KEY_ATTR_DONT_FRAGMENT: | |
2822 | mask_flags |= FLOW_TNL_F_DONT_FRAGMENT; | |
2823 | break; | |
2824 | case OVS_TUNNEL_KEY_ATTR_CSUM: | |
2825 | mask_flags |= FLOW_TNL_F_CSUM; | |
2826 | break; | |
2827 | case OVS_TUNNEL_KEY_ATTR_OAM: | |
2828 | mask_flags |= FLOW_TNL_F_OAM; | |
2829 | break; | |
2830 | } | |
2831 | } | |
2832 | } | |
2833 | ||
2834 | format_tun_flags(ds, "flags", flags, mask_attr ? &mask_flags : NULL, | |
2835 | verbose); | |
2836 | ds_chomp(ds, ','); | |
2837 | ofpbuf_uninit(&ofp); | |
2838 | } | |
2839 | ||
07659514 JS |
2840 | static const char * |
2841 | odp_ct_state_to_string(uint32_t flag) | |
2842 | { | |
2843 | switch (flag) { | |
2844 | case OVS_CS_F_REPLY_DIR: | |
2845 | return "rpl"; | |
2846 | case OVS_CS_F_TRACKED: | |
2847 | return "trk"; | |
2848 | case OVS_CS_F_NEW: | |
2849 | return "new"; | |
2850 | case OVS_CS_F_ESTABLISHED: | |
2851 | return "est"; | |
2852 | case OVS_CS_F_RELATED: | |
2853 | return "rel"; | |
2854 | case OVS_CS_F_INVALID: | |
2855 | return "inv"; | |
819571b5 DDP |
2856 | case OVS_CS_F_SRC_NAT: |
2857 | return "snat"; | |
2858 | case OVS_CS_F_DST_NAT: | |
2859 | return "dnat"; | |
07659514 JS |
2860 | default: |
2861 | return NULL; | |
2862 | } | |
2863 | } | |
2864 | ||
2d18eae8 JR |
2865 | static void |
2866 | format_frag(struct ds *ds, const char *name, uint8_t key, | |
2867 | const uint8_t *mask, bool verbose) | |
2868 | { | |
2869 | bool mask_empty = mask && !*mask; | |
2870 | ||
2871 | /* ODP frag is an enumeration field; partial masks are not meaningful. */ | |
2872 | if (verbose || !mask_empty) { | |
2873 | bool mask_full = !mask || *mask == UINT8_MAX; | |
2874 | ||
2875 | if (!mask_full) { /* Partially masked. */ | |
2876 | ds_put_format(ds, "error: partial mask not supported for frag (%#" | |
2877 | PRIx8"),", *mask); | |
2878 | } else { | |
2879 | ds_put_format(ds, "%s=%s,", name, ovs_frag_type_to_string(key)); | |
2880 | } | |
2881 | } | |
2882 | } | |
2883 | ||
07659514 JS |
2884 | static bool |
2885 | mask_empty(const struct nlattr *ma) | |
2886 | { | |
2887 | const void *mask; | |
2888 | size_t n; | |
2889 | ||
2890 | if (!ma) { | |
2891 | return true; | |
2892 | } | |
2893 | mask = nl_attr_get(ma); | |
2894 | n = nl_attr_get_size(ma); | |
2895 | ||
2896 | return is_all_zeros(mask, n); | |
2897 | } | |
2898 | ||
2f73024d BP |
2899 | /* The caller must have already verified that 'a' and 'ma' have correct |
2900 | * lengths. */ | |
36956a7d | 2901 | static void |
2f73024d BP |
2902 | format_odp_key_attr__(const struct nlattr *a, const struct nlattr *ma, |
2903 | const struct hmap *portno_names, struct ds *ds, | |
2904 | bool verbose) | |
36956a7d | 2905 | { |
7a8e9ed2 | 2906 | enum ovs_key_attr attr = nl_attr_type(a); |
e6603631 | 2907 | char namebuf[OVS_KEY_ATTR_BUFSIZE]; |
dc8c5408 | 2908 | bool is_exact; |
36956a7d | 2909 | |
dc8c5408 | 2910 | is_exact = ma ? odp_mask_attr_is_exact(ma) : true; |
e6cc0bab | 2911 | |
e6603631 | 2912 | ds_put_cstr(ds, ovs_key_attr_to_string(attr, namebuf, sizeof namebuf)); |
e6cc0bab | 2913 | |
e6cc0bab | 2914 | ds_put_char(ds, '('); |
7a8e9ed2 | 2915 | switch (attr) { |
fea393b1 | 2916 | case OVS_KEY_ATTR_ENCAP: |
e6cc0bab AZ |
2917 | if (ma && nl_attr_get_size(ma) && nl_attr_get_size(a)) { |
2918 | odp_flow_format(nl_attr_get(a), nl_attr_get_size(a), | |
0a37839c | 2919 | nl_attr_get(ma), nl_attr_get_size(ma), NULL, ds, |
041e7168 | 2920 | verbose); |
0a37839c GS |
2921 | } else if (nl_attr_get_size(a)) { |
2922 | odp_flow_format(nl_attr_get(a), nl_attr_get_size(a), NULL, 0, NULL, | |
2923 | ds, verbose); | |
fea393b1 | 2924 | } |
fea393b1 BP |
2925 | break; |
2926 | ||
abff858b | 2927 | case OVS_KEY_ATTR_PRIORITY: |
72e8bf28 | 2928 | case OVS_KEY_ATTR_SKB_MARK: |
572f732a AZ |
2929 | case OVS_KEY_ATTR_DP_HASH: |
2930 | case OVS_KEY_ATTR_RECIRC_ID: | |
e6cc0bab | 2931 | ds_put_format(ds, "%#"PRIx32, nl_attr_get_u32(a)); |
dc8c5408 | 2932 | if (!is_exact) { |
e6cc0bab AZ |
2933 | ds_put_format(ds, "/%#"PRIx32, nl_attr_get_u32(ma)); |
2934 | } | |
72e8bf28 AA |
2935 | break; |
2936 | ||
8e53fe8c JS |
2937 | case OVS_KEY_ATTR_CT_MARK: |
2938 | if (verbose || !mask_empty(ma)) { | |
2939 | ds_put_format(ds, "%#"PRIx32, nl_attr_get_u32(a)); | |
2940 | if (!is_exact) { | |
2941 | ds_put_format(ds, "/%#"PRIx32, nl_attr_get_u32(ma)); | |
2942 | } | |
2943 | } | |
2944 | break; | |
2945 | ||
07659514 JS |
2946 | case OVS_KEY_ATTR_CT_STATE: |
2947 | if (verbose) { | |
2948 | ds_put_format(ds, "%#"PRIx32, nl_attr_get_u32(a)); | |
2949 | if (!is_exact) { | |
2950 | ds_put_format(ds, "/%#"PRIx32, | |
2951 | mask_empty(ma) ? 0 : nl_attr_get_u32(ma)); | |
2952 | } | |
2953 | } else if (!is_exact) { | |
2954 | format_flags_masked(ds, NULL, odp_ct_state_to_string, | |
2955 | nl_attr_get_u32(a), | |
2956 | mask_empty(ma) ? 0 : nl_attr_get_u32(ma), | |
2957 | UINT32_MAX); | |
2958 | } else { | |
2959 | format_flags(ds, odp_ct_state_to_string, nl_attr_get_u32(a), '|'); | |
2960 | } | |
2961 | break; | |
2962 | ||
2963 | case OVS_KEY_ATTR_CT_ZONE: | |
2964 | if (verbose || !mask_empty(ma)) { | |
2965 | ds_put_format(ds, "%#"PRIx16, nl_attr_get_u16(a)); | |
2966 | if (!is_exact) { | |
2967 | ds_put_format(ds, "/%#"PRIx16, nl_attr_get_u16(ma)); | |
2968 | } | |
2969 | } | |
2970 | break; | |
2971 | ||
9daf2348 | 2972 | case OVS_KEY_ATTR_CT_LABELS: { |
ab79d262 BP |
2973 | const ovs_32aligned_u128 *value = nl_attr_get(a); |
2974 | const ovs_32aligned_u128 *mask = ma ? nl_attr_get(ma) : NULL; | |
9daf2348 JS |
2975 | |
2976 | format_u128(ds, value, mask, verbose); | |
2977 | break; | |
2978 | } | |
07659514 | 2979 | |
c30b4cea JR |
2980 | case OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV4: { |
2981 | const struct ovs_key_ct_tuple_ipv4 *key = nl_attr_get(a); | |
2982 | const struct ovs_key_ct_tuple_ipv4 *mask = ma ? nl_attr_get(ma) : NULL; | |
2983 | ||
2984 | format_ipv4(ds, "src", key->ipv4_src, MASK(mask, ipv4_src), verbose); | |
2985 | format_ipv4(ds, "dst", key->ipv4_dst, MASK(mask, ipv4_dst), verbose); | |
2986 | format_u8u(ds, "proto", key->ipv4_proto, MASK(mask, ipv4_proto), | |
2987 | verbose); | |
2988 | format_be16(ds, "tp_src", key->src_port, MASK(mask, src_port), | |
2989 | verbose); | |
2990 | format_be16(ds, "tp_dst", key->dst_port, MASK(mask, dst_port), | |
2991 | verbose); | |
2992 | ds_chomp(ds, ','); | |
2993 | break; | |
2994 | } | |
2995 | ||
2996 | case OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV6: { | |
2997 | const struct ovs_key_ct_tuple_ipv6 *key = nl_attr_get(a); | |
2998 | const struct ovs_key_ct_tuple_ipv6 *mask = ma ? nl_attr_get(ma) : NULL; | |
2999 | ||
3000 | format_in6_addr(ds, "src", &key->ipv6_src, MASK(mask, ipv6_src), | |
3001 | verbose); | |
3002 | format_in6_addr(ds, "dst", &key->ipv6_dst, MASK(mask, ipv6_dst), | |
3003 | verbose); | |
3004 | format_u8u(ds, "proto", key->ipv6_proto, MASK(mask, ipv6_proto), | |
3005 | verbose); | |
3006 | format_be16(ds, "src_port", key->src_port, MASK(mask, src_port), | |
3007 | verbose); | |
3008 | format_be16(ds, "dst_port", key->dst_port, MASK(mask, dst_port), | |
3009 | verbose); | |
3010 | ds_chomp(ds, ','); | |
3011 | break; | |
3012 | } | |
3013 | ||
65da723b JG |
3014 | case OVS_KEY_ATTR_TUNNEL: |
3015 | format_odp_tun_attr(a, ma, ds, verbose); | |
356af50b | 3016 | break; |
65da723b | 3017 | |
df2c07f4 | 3018 | case OVS_KEY_ATTR_IN_PORT: |
0722f341 BP |
3019 | if (is_exact) { |
3020 | odp_portno_name_format(portno_names, nl_attr_get_odp_port(a), ds); | |
0a37839c GS |
3021 | } else { |
3022 | ds_put_format(ds, "%"PRIu32, nl_attr_get_u32(a)); | |
3023 | if (!is_exact) { | |
3024 | ds_put_format(ds, "/%#"PRIx32, nl_attr_get_u32(ma)); | |
3025 | } | |
e6cc0bab | 3026 | } |
36956a7d BP |
3027 | break; |
3028 | ||
beb75a40 | 3029 | case OVS_KEY_ATTR_PACKET_TYPE: { |
3d4b2e6e JS |
3030 | ovs_be32 value = nl_attr_get_be32(a); |
3031 | ovs_be32 mask = ma ? nl_attr_get_be32(ma) : OVS_BE32_MAX; | |
beb75a40 | 3032 | |
3d4b2e6e JS |
3033 | ovs_be16 ns = htons(pt_ns(value)); |
3034 | ovs_be16 ns_mask = htons(pt_ns(mask)); | |
3035 | format_be16(ds, "ns", ns, &ns_mask, verbose); | |
beb75a40 | 3036 | |
3d4b2e6e JS |
3037 | ovs_be16 ns_type = pt_ns_type_be(value); |
3038 | ovs_be16 ns_type_mask = pt_ns_type_be(mask); | |
3039 | format_be16x(ds, "id", ns_type, &ns_type_mask, verbose); | |
3040 | ||
3041 | ds_chomp(ds, ','); | |
beb75a40 JS |
3042 | break; |
3043 | } | |
3044 | ||
2d18eae8 JR |
3045 | case OVS_KEY_ATTR_ETHERNET: { |
3046 | const struct ovs_key_ethernet *mask = ma ? nl_attr_get(ma) : NULL; | |
3047 | const struct ovs_key_ethernet *key = nl_attr_get(a); | |
e6cc0bab | 3048 | |
2d18eae8 JR |
3049 | format_eth(ds, "src", key->eth_src, MASK(mask, eth_src), verbose); |
3050 | format_eth(ds, "dst", key->eth_dst, MASK(mask, eth_dst), verbose); | |
3051 | ds_chomp(ds, ','); | |
36956a7d | 3052 | break; |
2d18eae8 | 3053 | } |
fea393b1 | 3054 | case OVS_KEY_ATTR_VLAN: |
2d18eae8 JR |
3055 | format_vlan_tci(ds, nl_attr_get_be16(a), |
3056 | ma ? nl_attr_get_be16(ma) : OVS_BE16_MAX, verbose); | |
36956a7d BP |
3057 | break; |
3058 | ||
b02475c5 SH |
3059 | case OVS_KEY_ATTR_MPLS: { |
3060 | const struct ovs_key_mpls *mpls_key = nl_attr_get(a); | |
e6cc0bab | 3061 | const struct ovs_key_mpls *mpls_mask = NULL; |
8bfd0fda BP |
3062 | size_t size = nl_attr_get_size(a); |
3063 | ||
3064 | if (!size || size % sizeof *mpls_key) { | |
6d670e7f | 3065 | ds_put_format(ds, "(bad key length %"PRIuSIZE")", size); |
8bfd0fda BP |
3066 | return; |
3067 | } | |
dc8c5408 | 3068 | if (!is_exact) { |
e6cc0bab | 3069 | mpls_mask = nl_attr_get(ma); |
6d670e7f | 3070 | if (size != nl_attr_get_size(ma)) { |
8bfd0fda BP |
3071 | ds_put_format(ds, "(key length %"PRIuSIZE" != " |
3072 | "mask length %"PRIuSIZE")", | |
6d670e7f | 3073 | size, nl_attr_get_size(ma)); |
8bfd0fda BP |
3074 | return; |
3075 | } | |
e6cc0bab | 3076 | } |
8bfd0fda | 3077 | format_mpls(ds, mpls_key, mpls_mask, size / sizeof *mpls_key); |
b02475c5 SH |
3078 | break; |
3079 | } | |
df2c07f4 | 3080 | case OVS_KEY_ATTR_ETHERTYPE: |
e6cc0bab | 3081 | ds_put_format(ds, "0x%04"PRIx16, ntohs(nl_attr_get_be16(a))); |
dc8c5408 | 3082 | if (!is_exact) { |
e6cc0bab AZ |
3083 | ds_put_format(ds, "/0x%04"PRIx16, ntohs(nl_attr_get_be16(ma))); |
3084 | } | |
36956a7d BP |
3085 | break; |
3086 | ||
2d18eae8 JR |
3087 | case OVS_KEY_ATTR_IPV4: { |
3088 | const struct ovs_key_ipv4 *key = nl_attr_get(a); | |
3089 | const struct ovs_key_ipv4 *mask = ma ? nl_attr_get(ma) : NULL; | |
3090 | ||
3091 | format_ipv4(ds, "src", key->ipv4_src, MASK(mask, ipv4_src), verbose); | |
3092 | format_ipv4(ds, "dst", key->ipv4_dst, MASK(mask, ipv4_dst), verbose); | |
3093 | format_u8u(ds, "proto", key->ipv4_proto, MASK(mask, ipv4_proto), | |
3094 | verbose); | |
3095 | format_u8x(ds, "tos", key->ipv4_tos, MASK(mask, ipv4_tos), verbose); | |
3096 | format_u8u(ds, "ttl", key->ipv4_ttl, MASK(mask, ipv4_ttl), verbose); | |
3097 | format_frag(ds, "frag", key->ipv4_frag, MASK(mask, ipv4_frag), | |
3098 | verbose); | |
3099 | ds_chomp(ds, ','); | |
36956a7d | 3100 | break; |
2d18eae8 JR |
3101 | } |
3102 | case OVS_KEY_ATTR_IPV6: { | |
3103 | const struct ovs_key_ipv6 *key = nl_attr_get(a); | |
3104 | const struct ovs_key_ipv6 *mask = ma ? nl_attr_get(ma) : NULL; | |
3105 | ||
932c96b7 JR |
3106 | format_in6_addr(ds, "src", &key->ipv6_src, MASK(mask, ipv6_src), |
3107 | verbose); | |
3108 | format_in6_addr(ds, "dst", &key->ipv6_dst, MASK(mask, ipv6_dst), | |
3109 | verbose); | |
2d18eae8 JR |
3110 | format_ipv6_label(ds, "label", key->ipv6_label, MASK(mask, ipv6_label), |
3111 | verbose); | |
3112 | format_u8u(ds, "proto", key->ipv6_proto, MASK(mask, ipv6_proto), | |
932c96b7 | 3113 | verbose); |
2d18eae8 | 3114 | format_u8x(ds, "tclass", key->ipv6_tclass, MASK(mask, ipv6_tclass), |
932c96b7 | 3115 | verbose); |
2d18eae8 | 3116 | format_u8u(ds, "hlimit", key->ipv6_hlimit, MASK(mask, ipv6_hlimit), |
932c96b7 | 3117 | verbose); |
2d18eae8 JR |
3118 | format_frag(ds, "frag", key->ipv6_frag, MASK(mask, ipv6_frag), |
3119 | verbose); | |
3120 | ds_chomp(ds, ','); | |
d31f1109 | 3121 | break; |
2d18eae8 JR |
3122 | } |
3123 | /* These have the same structure and format. */ | |
df2c07f4 | 3124 | case OVS_KEY_ATTR_TCP: |
2d18eae8 JR |
3125 | case OVS_KEY_ATTR_UDP: |
3126 | case OVS_KEY_ATTR_SCTP: { | |
3127 | const struct ovs_key_tcp *key = nl_attr_get(a); | |
3128 | const struct ovs_key_tcp *mask = ma ? nl_attr_get(ma) : NULL; | |
e6cc0bab | 3129 | |
2d18eae8 JR |
3130 | format_be16(ds, "src", key->tcp_src, MASK(mask, tcp_src), verbose); |
3131 | format_be16(ds, "dst", key->tcp_dst, MASK(mask, tcp_dst), verbose); | |
3132 | ds_chomp(ds, ','); | |
36956a7d | 3133 | break; |
2d18eae8 | 3134 | } |
dc235f7f | 3135 | case OVS_KEY_ATTR_TCP_FLAGS: |
dc235f7f | 3136 | if (!is_exact) { |
ea2735d3 JR |
3137 | format_flags_masked(ds, NULL, packet_tcp_flag_to_string, |
3138 | ntohs(nl_attr_get_be16(a)), | |
8e4c1621 JG |
3139 | TCP_FLAGS(nl_attr_get_be16(ma)), |
3140 | TCP_FLAGS(OVS_BE16_MAX)); | |
ea2735d3 JR |
3141 | } else { |
3142 | format_flags(ds, packet_tcp_flag_to_string, | |
8e4c1621 | 3143 | ntohs(nl_attr_get_be16(a)), '|'); |
dc235f7f JR |
3144 | } |
3145 | break; | |
3146 | ||
2d18eae8 JR |
3147 | case OVS_KEY_ATTR_ICMP: { |
3148 | const struct ovs_key_icmp *key = nl_attr_get(a); | |
3149 | const struct ovs_key_icmp *mask = ma ? nl_attr_get(ma) : NULL; | |
e6cc0bab | 3150 | |
2d18eae8 JR |
3151 | format_u8u(ds, "type", key->icmp_type, MASK(mask, icmp_type), verbose); |
3152 | format_u8u(ds, "code", key->icmp_code, MASK(mask, icmp_code), verbose); | |
3153 | ds_chomp(ds, ','); | |
36956a7d | 3154 | break; |
2d18eae8 JR |
3155 | } |
3156 | case OVS_KEY_ATTR_ICMPV6: { | |
3157 | const struct ovs_key_icmpv6 *key = nl_attr_get(a); | |
3158 | const struct ovs_key_icmpv6 *mask = ma ? nl_attr_get(ma) : NULL; | |
36956a7d | 3159 | |
2d18eae8 JR |
3160 | format_u8u(ds, "type", key->icmpv6_type, MASK(mask, icmpv6_type), |
3161 | verbose); | |
3162 | format_u8u(ds, "code", key->icmpv6_code, MASK(mask, icmpv6_code), | |
3163 | verbose); | |
3164 | ds_chomp(ds, ','); | |
d31f1109 | 3165 | break; |
2d18eae8 JR |
3166 | } |
3167 | case OVS_KEY_ATTR_ARP: { | |
3168 | const struct ovs_key_arp *mask = ma ? nl_attr_get(ma) : NULL; | |
3169 | const struct ovs_key_arp *key = nl_attr_get(a); | |
d31f1109 | 3170 | |
2d18eae8 JR |
3171 | format_ipv4(ds, "sip", key->arp_sip, MASK(mask, arp_sip), verbose); |
3172 | format_ipv4(ds, "tip", key->arp_tip, MASK(mask, arp_tip), verbose); | |
3173 | format_be16(ds, "op", key->arp_op, MASK(mask, arp_op), verbose); | |
3174 | format_eth(ds, "sha", key->arp_sha, MASK(mask, arp_sha), verbose); | |
3175 | format_eth(ds, "tha", key->arp_tha, MASK(mask, arp_tha), verbose); | |
3176 | ds_chomp(ds, ','); | |
36956a7d | 3177 | break; |
2d18eae8 | 3178 | } |
df2c07f4 | 3179 | case OVS_KEY_ATTR_ND: { |
2d18eae8 JR |
3180 | const struct ovs_key_nd *mask = ma ? nl_attr_get(ma) : NULL; |
3181 | const struct ovs_key_nd *key = nl_attr_get(a); | |
e6cc0bab | 3182 | |
932c96b7 JR |
3183 | format_in6_addr(ds, "target", &key->nd_target, MASK(mask, nd_target), |
3184 | verbose); | |
2d18eae8 JR |
3185 | format_eth(ds, "sll", key->nd_sll, MASK(mask, nd_sll), verbose); |
3186 | format_eth(ds, "tll", key->nd_tll, MASK(mask, nd_tll), verbose); | |
685a51a5 | 3187 | |
2d18eae8 | 3188 | ds_chomp(ds, ','); |
685a51a5 JP |
3189 | break; |
3190 | } | |
7a8e9ed2 BP |
3191 | case OVS_KEY_ATTR_UNSPEC: |
3192 | case __OVS_KEY_ATTR_MAX: | |
36956a7d BP |
3193 | default: |
3194 | format_generic_odp_key(a, ds); | |
dc8c5408 | 3195 | if (!is_exact) { |
e6cc0bab AZ |
3196 | ds_put_char(ds, '/'); |
3197 | format_generic_odp_key(ma, ds); | |
3198 | } | |
36956a7d BP |
3199 | break; |
3200 | } | |
e6cc0bab | 3201 | ds_put_char(ds, ')'); |
36956a7d BP |
3202 | } |
3203 | ||
2f73024d BP |
3204 | static void |
3205 | format_odp_key_attr(const struct nlattr *a, const struct nlattr *ma, | |
3206 | const struct hmap *portno_names, struct ds *ds, | |
3207 | bool verbose) | |
3208 | { | |
3209 | if (check_attr_len(ds, a, ma, ovs_flow_key_attr_lens, | |
3210 | OVS_KEY_ATTR_MAX, false)) { | |
3211 | format_odp_key_attr__(a, ma, portno_names, ds, verbose); | |
3212 | } | |
3213 | } | |
3214 | ||
dc8c5408 | 3215 | static struct nlattr * |
6b8da9e9 JG |
3216 | generate_all_wildcard_mask(const struct attr_len_tbl tbl[], int max, |
3217 | struct ofpbuf *ofp, const struct nlattr *key) | |
dc8c5408 AZ |
3218 | { |
3219 | const struct nlattr *a; | |
3220 | unsigned int left; | |
3221 | int type = nl_attr_type(key); | |
3222 | int size = nl_attr_get_size(key); | |
3223 | ||
6b8da9e9 | 3224 | if (odp_key_attr_len(tbl, max, type) != ATTR_LEN_NESTED) { |
9ddf12cc | 3225 | nl_msg_put_unspec_zero(ofp, type, size); |
dc8c5408 AZ |
3226 | } else { |
3227 | size_t nested_mask; | |
3228 | ||
6b8da9e9 JG |
3229 | if (tbl[type].next) { |
3230 | tbl = tbl[type].next; | |
3231 | max = tbl[type].next_max; | |
3232 | } | |
3233 | ||
dc8c5408 AZ |
3234 | nested_mask = nl_msg_start_nested(ofp, type); |
3235 | NL_ATTR_FOR_EACH(a, left, key, nl_attr_get_size(key)) { | |
6b8da9e9 | 3236 | generate_all_wildcard_mask(tbl, max, ofp, nl_attr_get(a)); |
dc8c5408 AZ |
3237 | } |
3238 | nl_msg_end_nested(ofp, nested_mask); | |
3239 | } | |
3240 | ||
6fd6ed71 | 3241 | return ofp->base; |
dc8c5408 AZ |
3242 | } |
3243 | ||
9daf2348 | 3244 | static void |
ab79d262 BP |
3245 | format_u128(struct ds *ds, const ovs_32aligned_u128 *key, |
3246 | const ovs_32aligned_u128 *mask, bool verbose) | |
9daf2348 | 3247 | { |
ab79d262 BP |
3248 | if (verbose || (mask && !ovs_u128_is_zero(get_32aligned_u128(mask)))) { |
3249 | ovs_be128 value = hton128(get_32aligned_u128(key)); | |
9daf2348 | 3250 | ds_put_hex(ds, &value, sizeof value); |
ab79d262 BP |
3251 | if (mask && !(ovs_u128_is_ones(get_32aligned_u128(mask)))) { |
3252 | value = hton128(get_32aligned_u128(mask)); | |
9daf2348 JS |
3253 | ds_put_char(ds, '/'); |
3254 | ds_put_hex(ds, &value, sizeof value); | |
3255 | } | |
3256 | } | |
3257 | } | |
3258 | ||
b23ada8e JP |
3259 | /* Read the string from 's_' as a 128-bit value. If the string contains |
3260 | * a "/", the rest of the string will be treated as a 128-bit mask. | |
3261 | * | |
3262 | * If either the value or mask is larger than 64 bits, the string must | |
3263 | * be in hexadecimal. | |
3264 | */ | |
9daf2348 JS |
3265 | static int |
3266 | scan_u128(const char *s_, ovs_u128 *value, ovs_u128 *mask) | |
3267 | { | |
3268 | char *s = CONST_CAST(char *, s_); | |
3269 | ovs_be128 be_value; | |
3270 | ovs_be128 be_mask; | |
3271 | ||
3272 | if (!parse_int_string(s, (uint8_t *)&be_value, sizeof be_value, &s)) { | |
32ea15f6 | 3273 | *value = ntoh128(be_value); |
9daf2348 JS |
3274 | |
3275 | if (mask) { | |
3276 | int n; | |
3277 | ||
3278 | if (ovs_scan(s, "/%n", &n)) { | |
3279 | int error; | |
3280 | ||
3281 | s += n; | |
3282 | error = parse_int_string(s, (uint8_t *)&be_mask, | |
3283 | sizeof be_mask, &s); | |
3284 | if (error) { | |
3285 | return error; | |
3286 | } | |
32ea15f6 | 3287 | *mask = ntoh128(be_mask); |
9daf2348 JS |
3288 | } else { |
3289 | *mask = OVS_U128_MAX; | |
3290 | } | |
3291 | } | |
3292 | return s - s_; | |
3293 | } | |
3294 | ||
3295 | return 0; | |
3296 | } | |
3297 | ||
534a19b9 JS |
3298 | int |
3299 | odp_ufid_from_string(const char *s_, ovs_u128 *ufid) | |
3300 | { | |
3301 | const char *s = s_; | |
3302 | ||
3303 | if (ovs_scan(s, "ufid:")) { | |
534a19b9 | 3304 | s += 5; |
534a19b9 | 3305 | |
10e92b4f | 3306 | if (!uuid_from_string_prefix((struct uuid *)ufid, s)) { |
534a19b9 JS |
3307 | return -EINVAL; |
3308 | } | |
10e92b4f | 3309 | s += UUID_LEN; |
534a19b9 JS |
3310 | |
3311 | return s - s_; | |
3312 | } | |
3313 | ||
3314 | return 0; | |
3315 | } | |
3316 | ||
70e5ed6f JS |
3317 | void |
3318 | odp_format_ufid(const ovs_u128 *ufid, struct ds *ds) | |
3319 | { | |
10e92b4f | 3320 | ds_put_format(ds, "ufid:"UUID_FMT, UUID_ARGS((struct uuid *)ufid)); |
70e5ed6f JS |
3321 | } |
3322 | ||
36956a7d | 3323 | /* Appends to 'ds' a string representation of the 'key_len' bytes of |
e6cc0bab | 3324 | * OVS_KEY_ATTR_* attributes in 'key'. If non-null, additionally formats the |
73580638 | 3325 | * 'mask_len' bytes of 'mask' which apply to 'key'. If 'portno_names' is |
d1fd1ea9 | 3326 | * non-null, translates odp port number to its name. */ |
14608a15 | 3327 | void |
e6cc0bab AZ |
3328 | odp_flow_format(const struct nlattr *key, size_t key_len, |
3329 | const struct nlattr *mask, size_t mask_len, | |
0a37839c | 3330 | const struct hmap *portno_names, struct ds *ds, bool verbose) |
14608a15 | 3331 | { |
36956a7d BP |
3332 | if (key_len) { |
3333 | const struct nlattr *a; | |
3334 | unsigned int left; | |
e6cc0bab | 3335 | bool has_ethtype_key = false; |
dc8c5408 | 3336 | struct ofpbuf ofp; |
041e7168 | 3337 | bool first_field = true; |
36956a7d | 3338 | |
dc8c5408 | 3339 | ofpbuf_init(&ofp, 100); |
36956a7d | 3340 | NL_ATTR_FOR_EACH (a, left, key, key_len) { |
2f73024d BP |
3341 | int attr_type = nl_attr_type(a); |
3342 | const struct nlattr *ma = (mask && mask_len | |
3343 | ? nl_attr_find__(mask, mask_len, | |
3344 | attr_type) | |
3345 | : NULL); | |
3346 | if (!check_attr_len(ds, a, ma, ovs_flow_key_attr_lens, | |
3347 | OVS_KEY_ATTR_MAX, false)) { | |
3348 | continue; | |
3349 | } | |
3350 | ||
041e7168 AZ |
3351 | bool is_nested_attr; |
3352 | bool is_wildcard = false; | |
041e7168 AZ |
3353 | |
3354 | if (attr_type == OVS_KEY_ATTR_ETHERTYPE) { | |
e6cc0bab AZ |
3355 | has_ethtype_key = true; |
3356 | } | |
041e7168 | 3357 | |
6b8da9e9 JG |
3358 | is_nested_attr = odp_key_attr_len(ovs_flow_key_attr_lens, |
3359 | OVS_KEY_ATTR_MAX, attr_type) == | |
3360 | ATTR_LEN_NESTED; | |
041e7168 | 3361 | |
e6cc0bab AZ |
3362 | if (mask && mask_len) { |
3363 | ma = nl_attr_find__(mask, mask_len, nl_attr_type(a)); | |
041e7168 AZ |
3364 | is_wildcard = ma ? odp_mask_attr_is_wildcard(ma) : true; |
3365 | } | |
3366 | ||
3367 | if (verbose || !is_wildcard || is_nested_attr) { | |
3368 | if (is_wildcard && !ma) { | |
6b8da9e9 JG |
3369 | ma = generate_all_wildcard_mask(ovs_flow_key_attr_lens, |
3370 | OVS_KEY_ATTR_MAX, | |
3371 | &ofp, a); | |
dc8c5408 | 3372 | } |
041e7168 AZ |
3373 | if (!first_field) { |
3374 | ds_put_char(ds, ','); | |
3375 | } | |
2f73024d | 3376 | format_odp_key_attr__(a, ma, portno_names, ds, verbose); |
041e7168 | 3377 | first_field = false; |
e6cc0bab | 3378 | } |
dc8c5408 | 3379 | ofpbuf_clear(&ofp); |
36956a7d | 3380 | } |
dc8c5408 AZ |
3381 | ofpbuf_uninit(&ofp); |
3382 | ||
36956a7d | 3383 | if (left) { |
3a8cfc50 | 3384 | int i; |
1394054e | 3385 | |
36956a7d BP |
3386 | if (left == key_len) { |
3387 | ds_put_cstr(ds, "<empty>"); | |
3388 | } | |
3a8cfc50 BP |
3389 | ds_put_format(ds, ",***%u leftover bytes*** (", left); |
3390 | for (i = 0; i < left; i++) { | |
3391 | ds_put_format(ds, "%02x", ((const uint8_t *) a)[i]); | |
3392 | } | |
3393 | ds_put_char(ds, ')'); | |
36956a7d | 3394 | } |
e6cc0bab | 3395 | if (!has_ethtype_key) { |
2f73024d BP |
3396 | const struct nlattr *ma = nl_attr_find__(mask, mask_len, |
3397 | OVS_KEY_ATTR_ETHERTYPE); | |
e6cc0bab AZ |
3398 | if (ma) { |
3399 | ds_put_format(ds, ",eth_type(0/0x%04"PRIx16")", | |
3400 | ntohs(nl_attr_get_be16(ma))); | |
3401 | } | |
3402 | } | |
36956a7d BP |
3403 | } else { |
3404 | ds_put_cstr(ds, "<empty>"); | |
3405 | } | |
14608a15 | 3406 | } |
064af421 | 3407 | |
e6cc0bab AZ |
3408 | /* Appends to 'ds' a string representation of the 'key_len' bytes of |
3409 | * OVS_KEY_ATTR_* attributes in 'key'. */ | |
3410 | void | |
3411 | odp_flow_key_format(const struct nlattr *key, | |
3412 | size_t key_len, struct ds *ds) | |
3413 | { | |
0a37839c | 3414 | odp_flow_format(key, key_len, NULL, 0, NULL, ds, true); |
e6cc0bab AZ |
3415 | } |
3416 | ||
7257b535 BP |
3417 | static bool |
3418 | ovs_frag_type_from_string(const char *s, enum ovs_frag_type *type) | |
3419 | { | |
3420 | if (!strcasecmp(s, "no")) { | |
3421 | *type = OVS_FRAG_TYPE_NONE; | |
3422 | } else if (!strcasecmp(s, "first")) { | |
3423 | *type = OVS_FRAG_TYPE_FIRST; | |
3424 | } else if (!strcasecmp(s, "later")) { | |
3425 | *type = OVS_FRAG_TYPE_LATER; | |
3426 | } else { | |
3427 | return false; | |
3428 | } | |
3429 | return true; | |
3430 | } | |
3431 | ||
2d18eae8 | 3432 | /* Parsing. */ |
b02475c5 | 3433 | |
3bffc610 | 3434 | static int |
74ff3298 | 3435 | scan_eth(const char *s, struct eth_addr *key, struct eth_addr *mask) |
3bffc610 | 3436 | { |
2d18eae8 | 3437 | int n; |
abff858b | 3438 | |
74ff3298 JR |
3439 | if (ovs_scan(s, ETH_ADDR_SCAN_FMT"%n", |
3440 | ETH_ADDR_SCAN_ARGS(*key), &n)) { | |
2d18eae8 JR |
3441 | int len = n; |
3442 | ||
3443 | if (mask) { | |
3444 | if (ovs_scan(s + len, "/"ETH_ADDR_SCAN_FMT"%n", | |
3445 | ETH_ADDR_SCAN_ARGS(*mask), &n)) { | |
3446 | len += n; | |
3447 | } else { | |
3448 | memset(mask, 0xff, sizeof *mask); | |
e6cc0bab | 3449 | } |
abff858b | 3450 | } |
2d18eae8 | 3451 | return len; |
abff858b | 3452 | } |
2d18eae8 JR |
3453 | return 0; |
3454 | } | |
abff858b | 3455 | |
2d18eae8 JR |
3456 | static int |
3457 | scan_ipv4(const char *s, ovs_be32 *key, ovs_be32 *mask) | |
3458 | { | |
3459 | int n; | |
72e8bf28 | 3460 | |
2d18eae8 JR |
3461 | if (ovs_scan(s, IP_SCAN_FMT"%n", IP_SCAN_ARGS(key), &n)) { |
3462 | int len = n; | |
3463 | ||
3464 | if (mask) { | |
3465 | if (ovs_scan(s + len, "/"IP_SCAN_FMT"%n", | |
3466 | IP_SCAN_ARGS(mask), &n)) { | |
3467 | len += n; | |
3468 | } else { | |
3469 | *mask = OVS_BE32_MAX; | |
e6cc0bab | 3470 | } |
72e8bf28 | 3471 | } |
2d18eae8 | 3472 | return len; |
72e8bf28 | 3473 | } |
2d18eae8 JR |
3474 | return 0; |
3475 | } | |
72e8bf28 | 3476 | |
2d18eae8 | 3477 | static int |
d15aef48 | 3478 | scan_in6_addr(const char *s, struct in6_addr *key, struct in6_addr *mask) |
2d18eae8 JR |
3479 | { |
3480 | int n; | |
3481 | char ipv6_s[IPV6_SCAN_LEN + 1]; | |
572f732a | 3482 | |
2d18eae8 JR |
3483 | if (ovs_scan(s, IPV6_SCAN_FMT"%n", ipv6_s, &n) |
3484 | && inet_pton(AF_INET6, ipv6_s, key) == 1) { | |
3485 | int len = n; | |
3486 | ||
3487 | if (mask) { | |
3488 | if (ovs_scan(s + len, "/"IPV6_SCAN_FMT"%n", ipv6_s, &n) | |
3489 | && inet_pton(AF_INET6, ipv6_s, mask) == 1) { | |
3490 | len += n; | |
3491 | } else { | |
3492 | memset(mask, 0xff, sizeof *mask); | |
78669073 | 3493 | } |
572f732a | 3494 | } |
2d18eae8 | 3495 | return len; |
572f732a | 3496 | } |
2d18eae8 JR |
3497 | return 0; |
3498 | } | |
572f732a | 3499 | |
2d18eae8 JR |
3500 | static int |
3501 | scan_ipv6_label(const char *s, ovs_be32 *key, ovs_be32 *mask) | |
3502 | { | |
3503 | int key_, mask_; | |
3504 | int n; | |
572f732a | 3505 | |
2d18eae8 JR |
3506 | if (ovs_scan(s, "%i%n", &key_, &n) |
3507 | && (key_ & ~IPV6_LABEL_MASK) == 0) { | |
3508 | int len = n; | |
29c7a2b2 | 3509 | |
2d18eae8 JR |
3510 | *key = htonl(key_); |
3511 | if (mask) { | |
3512 | if (ovs_scan(s + len, "/%i%n", &mask_, &n) | |
3513 | && (mask_ & ~IPV6_LABEL_MASK) == 0) { | |
3514 | len += n; | |
3515 | *mask = htonl(mask_); | |
3516 | } else { | |
3517 | *mask = htonl(IPV6_LABEL_MASK); | |
e6cc0bab | 3518 | } |
35651d6a | 3519 | } |
2d18eae8 | 3520 | return len; |
35651d6a | 3521 | } |
2d18eae8 JR |
3522 | return 0; |
3523 | } | |
35651d6a | 3524 | |
2d18eae8 JR |
3525 | static int |
3526 | scan_u8(const char *s, uint8_t *key, uint8_t *mask) | |
3527 | { | |
3528 | int n; | |
3bffc610 | 3529 | |
2d18eae8 JR |
3530 | if (ovs_scan(s, "%"SCNi8"%n", key, &n)) { |
3531 | int len = n; | |
3532 | ||
3533 | if (mask) { | |
3534 | if (ovs_scan(s + len, "/%"SCNi8"%n", mask, &n)) { | |
3535 | len += n; | |
3536 | } else { | |
3537 | *mask = UINT8_MAX; | |
e6cc0bab | 3538 | } |
3bffc610 | 3539 | } |
2d18eae8 | 3540 | return len; |
3bffc610 | 3541 | } |
2d18eae8 JR |
3542 | return 0; |
3543 | } | |
3bffc610 | 3544 | |
07659514 JS |
3545 | static int |
3546 | scan_u16(const char *s, uint16_t *key, uint16_t *mask) | |
3547 | { | |
3548 | int n; | |
3549 | ||
3550 | if (ovs_scan(s, "%"SCNi16"%n", key, &n)) { | |
3551 | int len = n; | |
3552 | ||
3553 | if (mask) { | |
3554 | if (ovs_scan(s + len, "/%"SCNi16"%n", mask, &n)) { | |
3555 | len += n; | |
3556 | } else { | |
3557 | *mask = UINT16_MAX; | |
3558 | } | |
3559 | } | |
3560 | return len; | |
3561 | } | |
3562 | return 0; | |
3563 | } | |
3564 | ||
2d18eae8 JR |
3565 | static int |
3566 | scan_u32(const char *s, uint32_t *key, uint32_t *mask) | |
3567 | { | |
3568 | int n; | |
e6cc0bab | 3569 | |
2d18eae8 JR |
3570 | if (ovs_scan(s, "%"SCNi32"%n", key, &n)) { |
3571 | int len = n; | |
e6cc0bab | 3572 | |
2d18eae8 JR |
3573 | if (mask) { |
3574 | if (ovs_scan(s + len, "/%"SCNi32"%n", mask, &n)) { | |
3575 | len += n; | |
3576 | } else { | |
3577 | *mask = UINT32_MAX; | |
e6cc0bab | 3578 | } |
b2a60db8 | 3579 | } |
2d18eae8 | 3580 | return len; |
b2a60db8 | 3581 | } |
2d18eae8 JR |
3582 | return 0; |
3583 | } | |
b2a60db8 | 3584 | |
2d18eae8 JR |
3585 | static int |
3586 | scan_be16(const char *s, ovs_be16 *key, ovs_be16 *mask) | |
3587 | { | |
3588 | uint16_t key_, mask_; | |
3589 | int n; | |
3bffc610 | 3590 | |
2d18eae8 JR |
3591 | if (ovs_scan(s, "%"SCNi16"%n", &key_, &n)) { |
3592 | int len = n; | |
e6cc0bab | 3593 | |
2d18eae8 JR |
3594 | *key = htons(key_); |
3595 | if (mask) { | |
3596 | if (ovs_scan(s + len, "/%"SCNi16"%n", &mask_, &n)) { | |
3597 | len += n; | |
3598 | *mask = htons(mask_); | |
3599 | } else { | |
3600 | *mask = OVS_BE16_MAX; | |
e6cc0bab | 3601 | } |
3bffc610 | 3602 | } |
2d18eae8 | 3603 | return len; |
3bffc610 | 3604 | } |
2d18eae8 JR |
3605 | return 0; |
3606 | } | |
3bffc610 | 3607 | |
2d18eae8 JR |
3608 | static int |
3609 | scan_be64(const char *s, ovs_be64 *key, ovs_be64 *mask) | |
3610 | { | |
3611 | uint64_t key_, mask_; | |
3612 | int n; | |
3bffc610 | 3613 | |
2d18eae8 JR |
3614 | if (ovs_scan(s, "%"SCNi64"%n", &key_, &n)) { |
3615 | int len = n; | |
3616 | ||
3617 | *key = htonll(key_); | |
3618 | if (mask) { | |
3619 | if (ovs_scan(s + len, "/%"SCNi64"%n", &mask_, &n)) { | |
3620 | len += n; | |
3621 | *mask = htonll(mask_); | |
3622 | } else { | |
3623 | *mask = OVS_BE64_MAX; | |
e6cc0bab | 3624 | } |
3bffc610 | 3625 | } |
2d18eae8 | 3626 | return len; |
3bffc610 | 3627 | } |
2d18eae8 JR |
3628 | return 0; |
3629 | } | |
3bffc610 | 3630 | |
2d18eae8 JR |
3631 | static int |
3632 | scan_tun_flags(const char *s, uint16_t *key, uint16_t *mask) | |
3633 | { | |
3634 | uint32_t flags, fmask; | |
3635 | int n; | |
3bffc610 | 3636 | |
8e4c1621 JG |
3637 | n = parse_odp_flags(s, flow_tun_flag_to_string, &flags, |
3638 | FLOW_TNL_F_MASK, mask ? &fmask : NULL); | |
2d18eae8 JR |
3639 | if (n >= 0 && s[n] == ')') { |
3640 | *key = flags; | |
3641 | if (mask) { | |
3642 | *mask = fmask; | |
3bffc610 | 3643 | } |
2d18eae8 | 3644 | return n + 1; |
3bffc610 | 3645 | } |
2d18eae8 JR |
3646 | return 0; |
3647 | } | |
3bffc610 | 3648 | |
2d18eae8 JR |
3649 | static int |
3650 | scan_tcp_flags(const char *s, ovs_be16 *key, ovs_be16 *mask) | |
3651 | { | |
3652 | uint32_t flags, fmask; | |
3653 | int n; | |
b02475c5 | 3654 | |
8e4c1621 JG |
3655 | n = parse_odp_flags(s, packet_tcp_flag_to_string, &flags, |
3656 | TCP_FLAGS(OVS_BE16_MAX), mask ? &fmask : NULL); | |
2d18eae8 JR |
3657 | if (n >= 0) { |
3658 | *key = htons(flags); | |
3659 | if (mask) { | |
3660 | *mask = htons(fmask); | |
b02475c5 | 3661 | } |
2d18eae8 | 3662 | return n; |
b02475c5 | 3663 | } |
2d18eae8 JR |
3664 | return 0; |
3665 | } | |
b02475c5 | 3666 | |
07659514 JS |
3667 | static uint32_t |
3668 | ovs_to_odp_ct_state(uint8_t state) | |
3669 | { | |
3670 | uint32_t odp = 0; | |
3671 | ||
fd6cd1bf BP |
3672 | #define CS_STATE(ENUM, INDEX, NAME) \ |
3673 | if (state & CS_##ENUM) { \ | |
3674 | odp |= OVS_CS_F_##ENUM; \ | |
819571b5 | 3675 | } |
fd6cd1bf BP |
3676 | CS_STATES |
3677 | #undef CS_STATE | |
07659514 JS |
3678 | |
3679 | return odp; | |
3680 | } | |
3681 | ||
3682 | static uint8_t | |
3683 | odp_to_ovs_ct_state(uint32_t flags) | |
3684 | { | |
3685 | uint32_t state = 0; | |
3686 | ||
fd6cd1bf BP |
3687 | #define CS_STATE(ENUM, INDEX, NAME) \ |
3688 | if (flags & OVS_CS_F_##ENUM) { \ | |
3689 | state |= CS_##ENUM; \ | |
819571b5 | 3690 | } |
fd6cd1bf BP |
3691 | CS_STATES |
3692 | #undef CS_STATE | |
07659514 JS |
3693 | |
3694 | return state; | |
3695 | } | |
3696 | ||
3697 | static int | |
3698 | scan_ct_state(const char *s, uint32_t *key, uint32_t *mask) | |
3699 | { | |
3700 | uint32_t flags, fmask; | |
3701 | int n; | |
3702 | ||
3703 | n = parse_flags(s, odp_ct_state_to_string, ')', NULL, NULL, &flags, | |
3704 | ovs_to_odp_ct_state(CS_SUPPORTED_MASK), | |
3705 | mask ? &fmask : NULL); | |
3706 | ||
3707 | if (n >= 0) { | |
3708 | *key = flags; | |
3709 | if (mask) { | |
3710 | *mask = fmask; | |
3711 | } | |
3712 | return n; | |
3713 | } | |
3714 | return 0; | |
3715 | } | |
3716 | ||
2d18eae8 JR |
3717 | static int |
3718 | scan_frag(const char *s, uint8_t *key, uint8_t *mask) | |
3719 | { | |
3720 | int n; | |
3721 | char frag[8]; | |
3722 | enum ovs_frag_type frag_type; | |
e6cc0bab | 3723 | |
2d18eae8 JR |
3724 | if (ovs_scan(s, "%7[a-z]%n", frag, &n) |
3725 | && ovs_frag_type_from_string(frag, &frag_type)) { | |
3726 | int len = n; | |
e6cc0bab | 3727 | |
2d18eae8 JR |
3728 | *key = frag_type; |
3729 | if (mask) { | |
3730 | *mask = UINT8_MAX; | |
3bffc610 | 3731 | } |
2d18eae8 | 3732 | return len; |
3bffc610 | 3733 | } |
2d18eae8 JR |
3734 | return 0; |
3735 | } | |
3bffc610 | 3736 | |
2d18eae8 JR |
3737 | static int |
3738 | scan_port(const char *s, uint32_t *key, uint32_t *mask, | |
3739 | const struct simap *port_names) | |
3740 | { | |
3741 | int n; | |
3bffc610 | 3742 | |
2d18eae8 JR |
3743 | if (ovs_scan(s, "%"SCNi32"%n", key, &n)) { |
3744 | int len = n; | |
e6cc0bab | 3745 | |
2d18eae8 JR |
3746 | if (mask) { |
3747 | if (ovs_scan(s + len, "/%"SCNi32"%n", mask, &n)) { | |
3748 | len += n; | |
3749 | } else { | |
3750 | *mask = UINT32_MAX; | |
e6cc0bab | 3751 | } |
3bffc610 | 3752 | } |
2d18eae8 JR |
3753 | return len; |
3754 | } else if (port_names) { | |
3755 | const struct simap_node *node; | |
3756 | int len; | |
e6cc0bab | 3757 | |
2d18eae8 JR |
3758 | len = strcspn(s, ")"); |
3759 | node = simap_find_len(port_names, s, len); | |
3760 | if (node) { | |
3761 | *key = node->data; | |
e6cc0bab AZ |
3762 | |
3763 | if (mask) { | |
2d18eae8 | 3764 | *mask = UINT32_MAX; |
e6cc0bab | 3765 | } |
2d18eae8 | 3766 | return len; |
3bffc610 BP |
3767 | } |
3768 | } | |
2d18eae8 JR |
3769 | return 0; |
3770 | } | |
3bffc610 | 3771 | |
2d18eae8 JR |
3772 | /* Helper for vlan parsing. */ |
3773 | struct ovs_key_vlan__ { | |
3774 | ovs_be16 tci; | |
3775 | }; | |
dc235f7f | 3776 | |
2d18eae8 JR |
3777 | static bool |
3778 | set_be16_bf(ovs_be16 *bf, uint8_t bits, uint8_t offset, uint16_t value) | |
3779 | { | |
3780 | const uint16_t mask = ((1U << bits) - 1) << offset; | |
ea2735d3 | 3781 | |
2d18eae8 JR |
3782 | if (value >> bits) { |
3783 | return false; | |
dc235f7f JR |
3784 | } |
3785 | ||
2d18eae8 JR |
3786 | *bf = htons((ntohs(*bf) & ~mask) | (value << offset)); |
3787 | return true; | |
3788 | } | |
e6cc0bab | 3789 | |
2d18eae8 JR |
3790 | static int |
3791 | scan_be16_bf(const char *s, ovs_be16 *key, ovs_be16 *mask, uint8_t bits, | |
3792 | uint8_t offset) | |
3793 | { | |
3794 | uint16_t key_, mask_; | |
3795 | int n; | |
3bffc610 | 3796 | |
2d18eae8 JR |
3797 | if (ovs_scan(s, "%"SCNi16"%n", &key_, &n)) { |
3798 | int len = n; | |
e6cc0bab | 3799 | |
2d18eae8 | 3800 | if (set_be16_bf(key, bits, offset, key_)) { |
e6cc0bab | 3801 | if (mask) { |
2d18eae8 JR |
3802 | if (ovs_scan(s + len, "/%"SCNi16"%n", &mask_, &n)) { |
3803 | len += n; | |
3804 | ||
3805 | if (!set_be16_bf(mask, bits, offset, mask_)) { | |
3806 | return 0; | |
3807 | } | |
3808 | } else { | |
3809 | *mask |= htons(((1U << bits) - 1) << offset); | |
3810 | } | |
e6cc0bab | 3811 | } |
2d18eae8 | 3812 | return len; |
3bffc610 BP |
3813 | } |
3814 | } | |
2d18eae8 JR |
3815 | return 0; |
3816 | } | |
3bffc610 | 3817 | |
2d18eae8 JR |
3818 | static int |
3819 | scan_vid(const char *s, ovs_be16 *key, ovs_be16 *mask) | |
3820 | { | |
3821 | return scan_be16_bf(s, key, mask, 12, VLAN_VID_SHIFT); | |
3822 | } | |
c6bcb685 | 3823 | |
2d18eae8 JR |
3824 | static int |
3825 | scan_pcp(const char *s, ovs_be16 *key, ovs_be16 *mask) | |
3826 | { | |
3827 | return scan_be16_bf(s, key, mask, 3, VLAN_PCP_SHIFT); | |
3828 | } | |
c6bcb685 | 3829 | |
2d18eae8 JR |
3830 | static int |
3831 | scan_cfi(const char *s, ovs_be16 *key, ovs_be16 *mask) | |
3832 | { | |
3833 | return scan_be16_bf(s, key, mask, 1, VLAN_CFI_SHIFT); | |
3834 | } | |
c6bcb685 | 3835 | |
2d18eae8 JR |
3836 | /* For MPLS. */ |
3837 | static bool | |
3838 | set_be32_bf(ovs_be32 *bf, uint8_t bits, uint8_t offset, uint32_t value) | |
3839 | { | |
3840 | const uint32_t mask = ((1U << bits) - 1) << offset; | |
c6bcb685 | 3841 | |
2d18eae8 JR |
3842 | if (value >> bits) { |
3843 | return false; | |
c6bcb685 JS |
3844 | } |
3845 | ||
2d18eae8 JR |
3846 | *bf = htonl((ntohl(*bf) & ~mask) | (value << offset)); |
3847 | return true; | |
3848 | } | |
3bffc610 | 3849 | |
2d18eae8 JR |
3850 | static int |
3851 | scan_be32_bf(const char *s, ovs_be32 *key, ovs_be32 *mask, uint8_t bits, | |
3852 | uint8_t offset) | |
3853 | { | |
3854 | uint32_t key_, mask_; | |
3855 | int n; | |
3bffc610 | 3856 | |
2d18eae8 JR |
3857 | if (ovs_scan(s, "%"SCNi32"%n", &key_, &n)) { |
3858 | int len = n; | |
e6cc0bab | 3859 | |
2d18eae8 | 3860 | if (set_be32_bf(key, bits, offset, key_)) { |
e6cc0bab | 3861 | if (mask) { |
2d18eae8 JR |
3862 | if (ovs_scan(s + len, "/%"SCNi32"%n", &mask_, &n)) { |
3863 | len += n; | |
3bffc610 | 3864 | |
2d18eae8 JR |
3865 | if (!set_be32_bf(mask, bits, offset, mask_)) { |
3866 | return 0; | |
3867 | } | |
3868 | } else { | |
3869 | *mask |= htonl(((1U << bits) - 1) << offset); | |
3870 | } | |
e6cc0bab | 3871 | } |
2d18eae8 | 3872 | return len; |
3bffc610 BP |
3873 | } |
3874 | } | |
2d18eae8 JR |
3875 | return 0; |
3876 | } | |
3bffc610 | 3877 | |
2d18eae8 JR |
3878 | static int |
3879 | scan_mpls_label(const char *s, ovs_be32 *key, ovs_be32 *mask) | |
3880 | { | |
3881 | return scan_be32_bf(s, key, mask, 20, MPLS_LABEL_SHIFT); | |
3882 | } | |
3bffc610 | 3883 | |
2d18eae8 JR |
3884 | static int |
3885 | scan_mpls_tc(const char *s, ovs_be32 *key, ovs_be32 *mask) | |
3886 | { | |
3887 | return scan_be32_bf(s, key, mask, 3, MPLS_TC_SHIFT); | |
3888 | } | |
e6cc0bab | 3889 | |
2d18eae8 JR |
3890 | static int |
3891 | scan_mpls_ttl(const char *s, ovs_be32 *key, ovs_be32 *mask) | |
3892 | { | |
3893 | return scan_be32_bf(s, key, mask, 8, MPLS_TTL_SHIFT); | |
3894 | } | |
e6cc0bab | 3895 | |
2d18eae8 JR |
3896 | static int |
3897 | scan_mpls_bos(const char *s, ovs_be32 *key, ovs_be32 *mask) | |
3898 | { | |
3899 | return scan_be32_bf(s, key, mask, 1, MPLS_BOS_SHIFT); | |
3900 | } | |
3901 | ||
65da723b JG |
3902 | static int |
3903 | scan_vxlan_gbp(const char *s, uint32_t *key, uint32_t *mask) | |
3904 | { | |
3905 | const char *s_base = s; | |
3139b8e9 JR |
3906 | ovs_be16 id = 0, id_mask = 0; |
3907 | uint8_t flags = 0, flags_mask = 0; | |
65da723b JG |
3908 | |
3909 | if (!strncmp(s, "id=", 3)) { | |
3910 | s += 3; | |
3911 | s += scan_be16(s, &id, mask ? &id_mask : NULL); | |
65da723b JG |
3912 | } |
3913 | ||
3914 | if (s[0] == ',') { | |
3915 | s++; | |
3916 | } | |
3917 | if (!strncmp(s, "flags=", 6)) { | |
3918 | s += 6; | |
3919 | s += scan_u8(s, &flags, mask ? &flags_mask : NULL); | |
65da723b JG |
3920 | } |
3921 | ||
3922 | if (!strncmp(s, "))", 2)) { | |
3923 | s += 2; | |
3924 | ||
3925 | *key = (flags << 16) | ntohs(id); | |
3926 | if (mask) { | |
3927 | *mask = (flags_mask << 16) | ntohs(id_mask); | |
3928 | } | |
3929 | ||
3930 | return s - s_base; | |
3931 | } | |
3932 | ||
3933 | return 0; | |
3934 | } | |
3935 | ||
622a0a8e JG |
3936 | static int |
3937 | scan_geneve(const char *s, struct geneve_scan *key, struct geneve_scan *mask) | |
3938 | { | |
3939 | const char *s_base = s; | |
c05c01cd JG |
3940 | struct geneve_opt *opt = key->d; |
3941 | struct geneve_opt *opt_mask = mask ? mask->d : NULL; | |
622a0a8e JG |
3942 | int len_remain = sizeof key->d; |
3943 | ||
3944 | while (s[0] == '{' && len_remain >= sizeof *opt) { | |
3945 | int data_len = 0; | |
3946 | ||
3947 | s++; | |
3948 | len_remain -= sizeof *opt; | |
3949 | ||
3950 | if (!strncmp(s, "class=", 6)) { | |
3951 | s += 6; | |
3952 | s += scan_be16(s, &opt->opt_class, | |
3953 | mask ? &opt_mask->opt_class : NULL); | |
3954 | } else if (mask) { | |
3955 | memset(&opt_mask->opt_class, 0, sizeof opt_mask->opt_class); | |
3956 | } | |
3957 | ||
3958 | if (s[0] == ',') { | |
3959 | s++; | |
3960 | } | |
3961 | if (!strncmp(s, "type=", 5)) { | |
3962 | s += 5; | |
3963 | s += scan_u8(s, &opt->type, mask ? &opt_mask->type : NULL); | |
3964 | } else if (mask) { | |
3965 | memset(&opt_mask->type, 0, sizeof opt_mask->type); | |
3966 | } | |
3967 | ||
3968 | if (s[0] == ',') { | |
3969 | s++; | |
3970 | } | |
3971 | if (!strncmp(s, "len=", 4)) { | |
3972 | uint8_t opt_len, opt_len_mask; | |
3973 | s += 4; | |
3974 | s += scan_u8(s, &opt_len, mask ? &opt_len_mask : NULL); | |
3975 | ||
3976 | if (opt_len > 124 || opt_len % 4 || opt_len > len_remain) { | |
3977 | return 0; | |
3978 | } | |
3979 | opt->length = opt_len / 4; | |
3980 | if (mask) { | |
3981 | opt_mask->length = opt_len_mask; | |
3982 | } | |
3983 | data_len = opt_len; | |
3984 | } else if (mask) { | |
3985 | memset(&opt_mask->type, 0, sizeof opt_mask->type); | |
3986 | } | |
3987 | ||
3988 | if (s[0] == ',') { | |
3989 | s++; | |
3990 | } | |
3991 | if (parse_int_string(s, (uint8_t *)(opt + 1), data_len, (char **)&s)) { | |
3992 | return 0; | |
3993 | } | |
3994 | ||
3995 | if (mask) { | |
3996 | if (s[0] == '/') { | |
3997 | s++; | |
3998 | if (parse_int_string(s, (uint8_t *)(opt_mask + 1), | |
3999 | data_len, (char **)&s)) { | |
4000 | return 0; | |
4001 | } | |
4002 | } | |
4003 | opt_mask->r1 = 0; | |
4004 | opt_mask->r2 = 0; | |
4005 | opt_mask->r3 = 0; | |
4006 | } | |
4007 | ||
4008 | if (s[0] == '}') { | |
4009 | s++; | |
4010 | opt += 1 + data_len / 4; | |
4011 | if (mask) { | |
4012 | opt_mask += 1 + data_len / 4; | |
4013 | } | |
4014 | len_remain -= data_len; | |
4015 | } | |
4016 | } | |
4017 | ||
4018 | if (s[0] == ')') { | |
4019 | int len = sizeof key->d - len_remain; | |
4020 | ||
4021 | s++; | |
4022 | key->len = len; | |
4023 | if (mask) { | |
4024 | mask->len = len; | |
4025 | } | |
4026 | return s - s_base; | |
4027 | } | |
4028 | ||
4029 | return 0; | |
4030 | } | |
4031 | ||
65da723b JG |
4032 | static void |
4033 | tun_flags_to_attr(struct ofpbuf *a, const void *data_) | |
4034 | { | |
4035 | const uint16_t *flags = data_; | |
4036 | ||
4037 | if (*flags & FLOW_TNL_F_DONT_FRAGMENT) { | |
4038 | nl_msg_put_flag(a, OVS_TUNNEL_KEY_ATTR_DONT_FRAGMENT); | |
4039 | } | |
4040 | if (*flags & FLOW_TNL_F_CSUM) { | |
4041 | nl_msg_put_flag(a, OVS_TUNNEL_KEY_ATTR_CSUM); | |
4042 | } | |
4043 | if (*flags & FLOW_TNL_F_OAM) { | |
4044 | nl_msg_put_flag(a, OVS_TUNNEL_KEY_ATTR_OAM); | |
4045 | } | |
4046 | } | |
4047 | ||
4048 | static void | |
4049 | vxlan_gbp_to_attr(struct ofpbuf *a, const void *data_) | |
4050 | { | |
4051 | const uint32_t *gbp = data_; | |
4052 | ||
4053 | if (*gbp) { | |
4054 | size_t vxlan_opts_ofs; | |
4055 | ||
4056 | vxlan_opts_ofs = nl_msg_start_nested(a, OVS_TUNNEL_KEY_ATTR_VXLAN_OPTS); | |
4057 | nl_msg_put_u32(a, OVS_VXLAN_EXT_GBP, *gbp); | |
4058 | nl_msg_end_nested(a, vxlan_opts_ofs); | |
4059 | } | |
4060 | } | |
4061 | ||
622a0a8e JG |
4062 | static void |
4063 | geneve_to_attr(struct ofpbuf *a, const void *data_) | |
4064 | { | |
4065 | const struct geneve_scan *geneve = data_; | |
4066 | ||
4067 | nl_msg_put_unspec(a, OVS_TUNNEL_KEY_ATTR_GENEVE_OPTS, geneve->d, | |
4068 | geneve->len); | |
4069 | } | |
4070 | ||
65da723b JG |
4071 | #define SCAN_PUT_ATTR(BUF, ATTR, DATA, FUNC) \ |
4072 | { \ | |
4073 | unsigned long call_fn = (unsigned long)FUNC; \ | |
4074 | if (call_fn) { \ | |
4075 | typedef void (*fn)(struct ofpbuf *, const void *); \ | |
4076 | fn func = FUNC; \ | |
4077 | func(BUF, &(DATA)); \ | |
4078 | } else { \ | |
4079 | nl_msg_put_unspec(BUF, ATTR, &(DATA), sizeof (DATA)); \ | |
4080 | } \ | |
2d18eae8 JR |
4081 | } |
4082 | ||
4083 | #define SCAN_IF(NAME) \ | |
4084 | if (strncmp(s, NAME, strlen(NAME)) == 0) { \ | |
4085 | const char *start = s; \ | |
4086 | int len; \ | |
4087 | \ | |
4088 | s += strlen(NAME) | |
4089 | ||
4090 | /* Usually no special initialization is needed. */ | |
4091 | #define SCAN_BEGIN(NAME, TYPE) \ | |
4092 | SCAN_IF(NAME); \ | |
4093 | TYPE skey, smask; \ | |
4094 | memset(&skey, 0, sizeof skey); \ | |
4095 | memset(&smask, 0, sizeof smask); \ | |
4096 | do { \ | |
4097 | len = 0; | |
4098 | ||
657ac953 JR |
4099 | /* Init as fully-masked as mask will not be scanned. */ |
4100 | #define SCAN_BEGIN_FULLY_MASKED(NAME, TYPE) \ | |
4101 | SCAN_IF(NAME); \ | |
4102 | TYPE skey, smask; \ | |
4103 | memset(&skey, 0, sizeof skey); \ | |
4104 | memset(&smask, 0xff, sizeof smask); \ | |
4105 | do { \ | |
4106 | len = 0; | |
4107 | ||
2d18eae8 JR |
4108 | /* VLAN needs special initialization. */ |
4109 | #define SCAN_BEGIN_INIT(NAME, TYPE, KEY_INIT, MASK_INIT) \ | |
4110 | SCAN_IF(NAME); \ | |
4111 | TYPE skey = KEY_INIT; \ | |
4112 | TYPE smask = MASK_INIT; \ | |
4113 | do { \ | |
4114 | len = 0; | |
4115 | ||
4116 | /* Scan unnamed entry as 'TYPE' */ | |
4117 | #define SCAN_TYPE(TYPE, KEY, MASK) \ | |
4118 | len = scan_##TYPE(s, KEY, MASK); \ | |
4119 | if (len == 0) { \ | |
4120 | return -EINVAL; \ | |
4121 | } \ | |
4122 | s += len | |
4123 | ||
4124 | /* Scan named ('NAME') entry 'FIELD' as 'TYPE'. */ | |
4125 | #define SCAN_FIELD(NAME, TYPE, FIELD) \ | |
4126 | if (strncmp(s, NAME, strlen(NAME)) == 0) { \ | |
4127 | s += strlen(NAME); \ | |
4128 | SCAN_TYPE(TYPE, &skey.FIELD, mask ? &smask.FIELD : NULL); \ | |
4129 | continue; \ | |
4130 | } | |
4131 | ||
4132 | #define SCAN_FINISH() \ | |
4133 | } while (*s++ == ',' && len != 0); \ | |
4134 | if (s[-1] != ')') { \ | |
4135 | return -EINVAL; \ | |
4136 | } | |
4137 | ||
4138 | #define SCAN_FINISH_SINGLE() \ | |
4139 | } while (false); \ | |
4140 | if (*s++ != ')') { \ | |
4141 | return -EINVAL; \ | |
4142 | } | |
4143 | ||
65da723b JG |
4144 | /* Beginning of nested attribute. */ |
4145 | #define SCAN_BEGIN_NESTED(NAME, ATTR) \ | |
4146 | SCAN_IF(NAME); \ | |
4147 | size_t key_offset, mask_offset; \ | |
4148 | key_offset = nl_msg_start_nested(key, ATTR); \ | |
4149 | if (mask) { \ | |
4150 | mask_offset = nl_msg_start_nested(mask, ATTR); \ | |
4151 | } \ | |
4152 | do { \ | |
4153 | len = 0; | |
4154 | ||
4155 | #define SCAN_END_NESTED() \ | |
4156 | SCAN_FINISH(); \ | |
4157 | nl_msg_end_nested(key, key_offset); \ | |
4158 | if (mask) { \ | |
4159 | nl_msg_end_nested(mask, mask_offset); \ | |
4160 | } \ | |
4161 | return s - start; \ | |
4162 | } | |
4163 | ||
4164 | #define SCAN_FIELD_NESTED__(NAME, TYPE, SCAN_AS, ATTR, FUNC) \ | |
4165 | if (strncmp(s, NAME, strlen(NAME)) == 0) { \ | |
4166 | TYPE skey, smask; \ | |
4167 | memset(&skey, 0, sizeof skey); \ | |
4168 | memset(&smask, 0xff, sizeof smask); \ | |
4169 | s += strlen(NAME); \ | |
4170 | SCAN_TYPE(SCAN_AS, &skey, &smask); \ | |
4171 | SCAN_PUT(ATTR, FUNC); \ | |
4172 | continue; \ | |
4173 | } | |
4174 | ||
4175 | #define SCAN_FIELD_NESTED(NAME, TYPE, SCAN_AS, ATTR) \ | |
4176 | SCAN_FIELD_NESTED__(NAME, TYPE, SCAN_AS, ATTR, NULL) | |
4177 | ||
4178 | #define SCAN_FIELD_NESTED_FUNC(NAME, TYPE, SCAN_AS, FUNC) \ | |
4179 | SCAN_FIELD_NESTED__(NAME, TYPE, SCAN_AS, 0, FUNC) | |
4180 | ||
4181 | #define SCAN_PUT(ATTR, FUNC) \ | |
00ec4017 HE |
4182 | SCAN_PUT_ATTR(key, ATTR, skey, FUNC); \ |
4183 | if (mask) \ | |
4184 | SCAN_PUT_ATTR(mask, ATTR, smask, FUNC); \ | |
2d18eae8 JR |
4185 | |
4186 | #define SCAN_END(ATTR) \ | |
4187 | SCAN_FINISH(); \ | |
65da723b | 4188 | SCAN_PUT(ATTR, NULL); \ |
2d18eae8 JR |
4189 | return s - start; \ |
4190 | } | |
4191 | ||
8f79bb4d JR |
4192 | #define SCAN_BEGIN_ARRAY(NAME, TYPE, CNT) \ |
4193 | SCAN_IF(NAME); \ | |
4194 | TYPE skey[CNT], smask[CNT]; \ | |
4195 | memset(&skey, 0, sizeof skey); \ | |
4196 | memset(&smask, 0, sizeof smask); \ | |
4197 | int idx = 0, cnt = CNT; \ | |
4198 | uint64_t fields = 0; \ | |
4199 | do { \ | |
4200 | int field = 0; \ | |
4201 | len = 0; | |
4202 | ||
4203 | /* Scan named ('NAME') entry 'FIELD' as 'TYPE'. */ | |
4204 | #define SCAN_FIELD_ARRAY(NAME, TYPE, FIELD) \ | |
4205 | if (strncmp(s, NAME, strlen(NAME)) == 0) { \ | |
4206 | if (fields & (1UL << field)) { \ | |
4207 | fields = 0; \ | |
4208 | if (++idx == cnt) { \ | |
4209 | break; \ | |
4210 | } \ | |
4211 | } \ | |
4212 | s += strlen(NAME); \ | |
4213 | SCAN_TYPE(TYPE, &skey[idx].FIELD, mask ? &smask[idx].FIELD : NULL); \ | |
4214 | fields |= 1UL << field; \ | |
4215 | continue; \ | |
4216 | } \ | |
4217 | field++; | |
4218 | ||
4219 | #define SCAN_PUT_ATTR_ARRAY(BUF, ATTR, DATA, CNT) \ | |
4220 | nl_msg_put_unspec(BUF, ATTR, &(DATA), sizeof (DATA)[0] * (CNT)); \ | |
4221 | ||
4222 | #define SCAN_PUT_ARRAY(ATTR, CNT) \ | |
4223 | SCAN_PUT_ATTR_ARRAY(key, ATTR, skey, CNT); \ | |
4224 | if (mask) { \ | |
4225 | SCAN_PUT_ATTR_ARRAY(mask, ATTR, smask, CNT); \ | |
4226 | } | |
4227 | ||
4228 | #define SCAN_END_ARRAY(ATTR) \ | |
4229 | SCAN_FINISH(); \ | |
4230 | if (idx == cnt) { \ | |
4231 | return -EINVAL; \ | |
4232 | } \ | |
4233 | SCAN_PUT_ARRAY(ATTR, idx + 1); \ | |
4234 | return s - start; \ | |
4235 | } | |
4236 | ||
2d18eae8 JR |
4237 | #define SCAN_END_SINGLE(ATTR) \ |
4238 | SCAN_FINISH_SINGLE(); \ | |
65da723b | 4239 | SCAN_PUT(ATTR, NULL); \ |
2d18eae8 JR |
4240 | return s - start; \ |
4241 | } | |
4242 | ||
4243 | #define SCAN_SINGLE(NAME, TYPE, SCAN_AS, ATTR) \ | |
4244 | SCAN_BEGIN(NAME, TYPE) { \ | |
4245 | SCAN_TYPE(SCAN_AS, &skey, &smask); \ | |
4246 | } SCAN_END_SINGLE(ATTR) | |
4247 | ||
657ac953 JR |
4248 | #define SCAN_SINGLE_FULLY_MASKED(NAME, TYPE, SCAN_AS, ATTR) \ |
4249 | SCAN_BEGIN_FULLY_MASKED(NAME, TYPE) { \ | |
4250 | SCAN_TYPE(SCAN_AS, &skey, NULL); \ | |
2d18eae8 JR |
4251 | } SCAN_END_SINGLE(ATTR) |
4252 | ||
4253 | /* scan_port needs one extra argument. */ | |
4254 | #define SCAN_SINGLE_PORT(NAME, TYPE, ATTR) \ | |
4255 | SCAN_BEGIN(NAME, TYPE) { \ | |
4256 | len = scan_port(s, &skey, &smask, port_names); \ | |
4257 | if (len == 0) { \ | |
4258 | return -EINVAL; \ | |
4259 | } \ | |
4260 | s += len; \ | |
4261 | } SCAN_END_SINGLE(ATTR) | |
3bffc610 | 4262 | |
2d18eae8 JR |
4263 | static int |
4264 | parse_odp_key_mask_attr(const char *s, const struct simap *port_names, | |
4265 | struct ofpbuf *key, struct ofpbuf *mask) | |
4266 | { | |
10e92b4f JS |
4267 | ovs_u128 ufid; |
4268 | int len; | |
eb731b76 | 4269 | |
10e92b4f JS |
4270 | /* Skip UFID. */ |
4271 | len = odp_ufid_from_string(s, &ufid); | |
4272 | if (len) { | |
4273 | return len; | |
eb731b76 JS |
4274 | } |
4275 | ||
2d18eae8 JR |
4276 | SCAN_SINGLE("skb_priority(", uint32_t, u32, OVS_KEY_ATTR_PRIORITY); |
4277 | SCAN_SINGLE("skb_mark(", uint32_t, u32, OVS_KEY_ATTR_SKB_MARK); | |
657ac953 JR |
4278 | SCAN_SINGLE_FULLY_MASKED("recirc_id(", uint32_t, u32, |
4279 | OVS_KEY_ATTR_RECIRC_ID); | |
2d18eae8 JR |
4280 | SCAN_SINGLE("dp_hash(", uint32_t, u32, OVS_KEY_ATTR_DP_HASH); |
4281 | ||
07659514 JS |
4282 | SCAN_SINGLE("ct_state(", uint32_t, ct_state, OVS_KEY_ATTR_CT_STATE); |
4283 | SCAN_SINGLE("ct_zone(", uint16_t, u16, OVS_KEY_ATTR_CT_ZONE); | |
8e53fe8c | 4284 | SCAN_SINGLE("ct_mark(", uint32_t, u32, OVS_KEY_ATTR_CT_MARK); |
9daf2348 | 4285 | SCAN_SINGLE("ct_label(", ovs_u128, u128, OVS_KEY_ATTR_CT_LABELS); |
07659514 | 4286 | |
daf4d3c1 JR |
4287 | SCAN_BEGIN("ct_tuple4(", struct ovs_key_ct_tuple_ipv4) { |
4288 | SCAN_FIELD("src=", ipv4, ipv4_src); | |
4289 | SCAN_FIELD("dst=", ipv4, ipv4_dst); | |
4290 | SCAN_FIELD("proto=", u8, ipv4_proto); | |
4291 | SCAN_FIELD("tp_src=", be16, src_port); | |
4292 | SCAN_FIELD("tp_dst=", be16, dst_port); | |
4293 | } SCAN_END(OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV4); | |
4294 | ||
4295 | SCAN_BEGIN("ct_tuple6(", struct ovs_key_ct_tuple_ipv6) { | |
4296 | SCAN_FIELD("src=", in6_addr, ipv6_src); | |
4297 | SCAN_FIELD("dst=", in6_addr, ipv6_dst); | |
4298 | SCAN_FIELD("proto=", u8, ipv6_proto); | |
4299 | SCAN_FIELD("tp_src=", be16, src_port); | |
4300 | SCAN_FIELD("tp_dst=", be16, dst_port); | |
4301 | } SCAN_END(OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV6); | |
4302 | ||
65da723b JG |
4303 | SCAN_BEGIN_NESTED("tunnel(", OVS_KEY_ATTR_TUNNEL) { |
4304 | SCAN_FIELD_NESTED("tun_id=", ovs_be64, be64, OVS_TUNNEL_KEY_ATTR_ID); | |
4305 | SCAN_FIELD_NESTED("src=", ovs_be32, ipv4, OVS_TUNNEL_KEY_ATTR_IPV4_SRC); | |
4306 | SCAN_FIELD_NESTED("dst=", ovs_be32, ipv4, OVS_TUNNEL_KEY_ATTR_IPV4_DST); | |
ffe4c74f JB |
4307 | SCAN_FIELD_NESTED("ipv6_src=", struct in6_addr, in6_addr, OVS_TUNNEL_KEY_ATTR_IPV6_SRC); |
4308 | SCAN_FIELD_NESTED("ipv6_dst=", struct in6_addr, in6_addr, OVS_TUNNEL_KEY_ATTR_IPV6_DST); | |
65da723b JG |
4309 | SCAN_FIELD_NESTED("tos=", uint8_t, u8, OVS_TUNNEL_KEY_ATTR_TOS); |
4310 | SCAN_FIELD_NESTED("ttl=", uint8_t, u8, OVS_TUNNEL_KEY_ATTR_TTL); | |
4311 | SCAN_FIELD_NESTED("tp_src=", ovs_be16, be16, OVS_TUNNEL_KEY_ATTR_TP_SRC); | |
4312 | SCAN_FIELD_NESTED("tp_dst=", ovs_be16, be16, OVS_TUNNEL_KEY_ATTR_TP_DST); | |
4313 | SCAN_FIELD_NESTED_FUNC("vxlan(gbp(", uint32_t, vxlan_gbp, vxlan_gbp_to_attr); | |
622a0a8e JG |
4314 | SCAN_FIELD_NESTED_FUNC("geneve(", struct geneve_scan, geneve, |
4315 | geneve_to_attr); | |
65da723b JG |
4316 | SCAN_FIELD_NESTED_FUNC("flags(", uint16_t, tun_flags, tun_flags_to_attr); |
4317 | } SCAN_END_NESTED(); | |
2d18eae8 JR |
4318 | |
4319 | SCAN_SINGLE_PORT("in_port(", uint32_t, OVS_KEY_ATTR_IN_PORT); | |
4320 | ||
4321 | SCAN_BEGIN("eth(", struct ovs_key_ethernet) { | |
4322 | SCAN_FIELD("src=", eth, eth_src); | |
4323 | SCAN_FIELD("dst=", eth, eth_dst); | |
4324 | } SCAN_END(OVS_KEY_ATTR_ETHERNET); | |
4325 | ||
4326 | SCAN_BEGIN_INIT("vlan(", struct ovs_key_vlan__, | |
4327 | { htons(VLAN_CFI) }, { htons(VLAN_CFI) }) { | |
4328 | SCAN_FIELD("vid=", vid, tci); | |
4329 | SCAN_FIELD("pcp=", pcp, tci); | |
4330 | SCAN_FIELD("cfi=", cfi, tci); | |
4331 | } SCAN_END(OVS_KEY_ATTR_VLAN); | |
4332 | ||
4333 | SCAN_SINGLE("eth_type(", ovs_be16, be16, OVS_KEY_ATTR_ETHERTYPE); | |
4334 | ||
ab83c8c5 | 4335 | SCAN_BEGIN_ARRAY("mpls(", struct ovs_key_mpls, FLOW_MAX_MPLS_LABELS) { |
8f79bb4d JR |
4336 | SCAN_FIELD_ARRAY("label=", mpls_label, mpls_lse); |
4337 | SCAN_FIELD_ARRAY("tc=", mpls_tc, mpls_lse); | |
4338 | SCAN_FIELD_ARRAY("ttl=", mpls_ttl, mpls_lse); | |
4339 | SCAN_FIELD_ARRAY("bos=", mpls_bos, mpls_lse); | |
4340 | } SCAN_END_ARRAY(OVS_KEY_ATTR_MPLS); | |
2d18eae8 JR |
4341 | |
4342 | SCAN_BEGIN("ipv4(", struct ovs_key_ipv4) { | |
4343 | SCAN_FIELD("src=", ipv4, ipv4_src); | |
4344 | SCAN_FIELD("dst=", ipv4, ipv4_dst); | |
4345 | SCAN_FIELD("proto=", u8, ipv4_proto); | |
4346 | SCAN_FIELD("tos=", u8, ipv4_tos); | |
4347 | SCAN_FIELD("ttl=", u8, ipv4_ttl); | |
4348 | SCAN_FIELD("frag=", frag, ipv4_frag); | |
4349 | } SCAN_END(OVS_KEY_ATTR_IPV4); | |
4350 | ||
4351 | SCAN_BEGIN("ipv6(", struct ovs_key_ipv6) { | |
932c96b7 JR |
4352 | SCAN_FIELD("src=", in6_addr, ipv6_src); |
4353 | SCAN_FIELD("dst=", in6_addr, ipv6_dst); | |
2d18eae8 JR |
4354 | SCAN_FIELD("label=", ipv6_label, ipv6_label); |
4355 | SCAN_FIELD("proto=", u8, ipv6_proto); | |
4356 | SCAN_FIELD("tclass=", u8, ipv6_tclass); | |
4357 | SCAN_FIELD("hlimit=", u8, ipv6_hlimit); | |
4358 | SCAN_FIELD("frag=", frag, ipv6_frag); | |
4359 | } SCAN_END(OVS_KEY_ATTR_IPV6); | |
4360 | ||
4361 | SCAN_BEGIN("tcp(", struct ovs_key_tcp) { | |
4362 | SCAN_FIELD("src=", be16, tcp_src); | |
4363 | SCAN_FIELD("dst=", be16, tcp_dst); | |
4364 | } SCAN_END(OVS_KEY_ATTR_TCP); | |
4365 | ||
4366 | SCAN_SINGLE("tcp_flags(", ovs_be16, tcp_flags, OVS_KEY_ATTR_TCP_FLAGS); | |
4367 | ||
4368 | SCAN_BEGIN("udp(", struct ovs_key_udp) { | |
4369 | SCAN_FIELD("src=", be16, udp_src); | |
4370 | SCAN_FIELD("dst=", be16, udp_dst); | |
4371 | } SCAN_END(OVS_KEY_ATTR_UDP); | |
4372 | ||
4373 | SCAN_BEGIN("sctp(", struct ovs_key_sctp) { | |
4374 | SCAN_FIELD("src=", be16, sctp_src); | |
4375 | SCAN_FIELD("dst=", be16, sctp_dst); | |
4376 | } SCAN_END(OVS_KEY_ATTR_SCTP); | |
4377 | ||
4378 | SCAN_BEGIN("icmp(", struct ovs_key_icmp) { | |
4379 | SCAN_FIELD("type=", u8, icmp_type); | |
4380 | SCAN_FIELD("code=", u8, icmp_code); | |
4381 | } SCAN_END(OVS_KEY_ATTR_ICMP); | |
4382 | ||
4383 | SCAN_BEGIN("icmpv6(", struct ovs_key_icmpv6) { | |
4384 | SCAN_FIELD("type=", u8, icmpv6_type); | |
4385 | SCAN_FIELD("code=", u8, icmpv6_code); | |
4386 | } SCAN_END(OVS_KEY_ATTR_ICMPV6); | |
4387 | ||
4388 | SCAN_BEGIN("arp(", struct ovs_key_arp) { | |
4389 | SCAN_FIELD("sip=", ipv4, arp_sip); | |
4390 | SCAN_FIELD("tip=", ipv4, arp_tip); | |
4391 | SCAN_FIELD("op=", be16, arp_op); | |
4392 | SCAN_FIELD("sha=", eth, arp_sha); | |
4393 | SCAN_FIELD("tha=", eth, arp_tha); | |
4394 | } SCAN_END(OVS_KEY_ATTR_ARP); | |
4395 | ||
4396 | SCAN_BEGIN("nd(", struct ovs_key_nd) { | |
932c96b7 | 4397 | SCAN_FIELD("target=", in6_addr, nd_target); |
2d18eae8 JR |
4398 | SCAN_FIELD("sll=", eth, nd_sll); |
4399 | SCAN_FIELD("tll=", eth, nd_tll); | |
4400 | } SCAN_END(OVS_KEY_ATTR_ND); | |
4401 | ||
3d4b2e6e JS |
4402 | struct packet_type { |
4403 | ovs_be16 ns; | |
4404 | ovs_be16 id; | |
4405 | }; | |
4406 | SCAN_BEGIN("packet_type(", struct packet_type) { | |
4407 | SCAN_FIELD("ns=", be16, ns); | |
4408 | SCAN_FIELD("id=", be16, id); | |
4409 | } SCAN_END(OVS_KEY_ATTR_PACKET_TYPE); | |
4410 | ||
2d18eae8 | 4411 | /* Encap open-coded. */ |
fea393b1 BP |
4412 | if (!strncmp(s, "encap(", 6)) { |
4413 | const char *start = s; | |
e6cc0bab | 4414 | size_t encap, encap_mask = 0; |
fea393b1 BP |
4415 | |
4416 | encap = nl_msg_start_nested(key, OVS_KEY_ATTR_ENCAP); | |
e6cc0bab AZ |
4417 | if (mask) { |
4418 | encap_mask = nl_msg_start_nested(mask, OVS_KEY_ATTR_ENCAP); | |
4419 | } | |
fea393b1 BP |
4420 | |
4421 | s += 6; | |
4422 | for (;;) { | |
4423 | int retval; | |
4424 | ||
70fbe375 | 4425 | s += strspn(s, delimiters); |
fea393b1 BP |
4426 | if (!*s) { |
4427 | return -EINVAL; | |
4428 | } else if (*s == ')') { | |
4429 | break; | |
4430 | } | |
4431 | ||
e6cc0bab | 4432 | retval = parse_odp_key_mask_attr(s, port_names, key, mask); |
fea393b1 BP |
4433 | if (retval < 0) { |
4434 | return retval; | |
4435 | } | |
4436 | s += retval; | |
4437 | } | |
4438 | s++; | |
4439 | ||
4440 | nl_msg_end_nested(key, encap); | |
e6cc0bab AZ |
4441 | if (mask) { |
4442 | nl_msg_end_nested(mask, encap_mask); | |
4443 | } | |
fea393b1 BP |
4444 | |
4445 | return s - start; | |
4446 | } | |
4447 | ||
3bffc610 BP |
4448 | return -EINVAL; |
4449 | } | |
4450 | ||
df2c07f4 JP |
4451 | /* Parses the string representation of a datapath flow key, in the |
4452 | * format output by odp_flow_key_format(). Returns 0 if successful, | |
4453 | * otherwise a positive errno value. On success, the flow key is | |
4454 | * appended to 'key' as a series of Netlink attributes. On failure, no | |
4455 | * data is appended to 'key'. Either way, 'key''s data might be | |
4456 | * reallocated. | |
3bffc610 | 4457 | * |
44bac24b BP |
4458 | * If 'port_names' is nonnull, it points to an simap that maps from a port name |
4459 | * to a port number. (Port names may be used instead of port numbers in | |
4460 | * in_port.) | |
b2a60db8 | 4461 | * |
3bffc610 BP |
4462 | * On success, the attributes appended to 'key' are individually syntactically |
4463 | * valid, but they may not be valid as a sequence. 'key' might, for example, | |
34118cae | 4464 | * have duplicated keys. odp_flow_key_to_flow() will detect those errors. */ |
3bffc610 | 4465 | int |
e6cc0bab AZ |
4466 | odp_flow_from_string(const char *s, const struct simap *port_names, |
4467 | struct ofpbuf *key, struct ofpbuf *mask) | |
3bffc610 | 4468 | { |
6fd6ed71 | 4469 | const size_t old_size = key->size; |
3bffc610 BP |
4470 | for (;;) { |
4471 | int retval; | |
4472 | ||
7202cbe5 | 4473 | s += strspn(s, delimiters); |
3bffc610 BP |
4474 | if (!*s) { |
4475 | return 0; | |
4476 | } | |
4477 | ||
e6cc0bab | 4478 | retval = parse_odp_key_mask_attr(s, port_names, key, mask); |
3bffc610 | 4479 | if (retval < 0) { |
6fd6ed71 | 4480 | key->size = old_size; |
3bffc610 BP |
4481 | return -retval; |
4482 | } | |
4483 | s += retval; | |
4484 | } | |
4485 | ||
4486 | return 0; | |
4487 | } | |
4488 | ||
7257b535 | 4489 | static uint8_t |
3cea18ec | 4490 | ovs_to_odp_frag(uint8_t nw_frag, bool is_mask) |
7257b535 | 4491 | { |
3cea18ec JR |
4492 | if (is_mask) { |
4493 | /* Netlink interface 'enum ovs_frag_type' is an 8-bit enumeration type, | |
4494 | * not a set of flags or bitfields. Hence, if the struct flow nw_frag | |
4495 | * mask, which is a set of bits, has the FLOW_NW_FRAG_ANY as zero, we | |
4496 | * must use a zero mask for the netlink frag field, and all ones mask | |
4497 | * otherwise. */ | |
4498 | return (nw_frag & FLOW_NW_FRAG_ANY) ? UINT8_MAX : 0; | |
4499 | } | |
2c0f0be1 JR |
4500 | return !(nw_frag & FLOW_NW_FRAG_ANY) ? OVS_FRAG_TYPE_NONE |
4501 | : nw_frag & FLOW_NW_FRAG_LATER ? OVS_FRAG_TYPE_LATER | |
4502 | : OVS_FRAG_TYPE_FIRST; | |
7257b535 BP |
4503 | } |
4504 | ||
3cea18ec JR |
4505 | static void get_ethernet_key(const struct flow *, struct ovs_key_ethernet *); |
4506 | static void put_ethernet_key(const struct ovs_key_ethernet *, struct flow *); | |
4507 | static void get_ipv4_key(const struct flow *, struct ovs_key_ipv4 *, | |
4508 | bool is_mask); | |
4509 | static void put_ipv4_key(const struct ovs_key_ipv4 *, struct flow *, | |
4510 | bool is_mask); | |
4511 | static void get_ipv6_key(const struct flow *, struct ovs_key_ipv6 *, | |
4512 | bool is_mask); | |
4513 | static void put_ipv6_key(const struct ovs_key_ipv6 *, struct flow *, | |
4514 | bool is_mask); | |
4515 | static void get_arp_key(const struct flow *, struct ovs_key_arp *); | |
4516 | static void put_arp_key(const struct ovs_key_arp *, struct flow *); | |
e60e935b SRCSA |
4517 | static void get_nd_key(const struct flow *, struct ovs_key_nd *); |
4518 | static void put_nd_key(const struct ovs_key_nd *, struct flow *); | |
3cea18ec JR |
4519 | |
4520 | /* These share the same layout. */ | |
4521 | union ovs_key_tp { | |
4522 | struct ovs_key_tcp tcp; | |
4523 | struct ovs_key_udp udp; | |
4524 | struct ovs_key_sctp sctp; | |
4525 | }; | |
4526 | ||
4527 | static void get_tp_key(const struct flow *, union ovs_key_tp *); | |
4528 | static void put_tp_key(const union ovs_key_tp *, struct flow *); | |
431495b1 | 4529 | |
661cbcd5 | 4530 | static void |
5262eea1 JG |
4531 | odp_flow_key_from_flow__(const struct odp_flow_key_parms *parms, |
4532 | bool export_mask, struct ofpbuf *buf) | |
14608a15 | 4533 | { |
df2c07f4 | 4534 | struct ovs_key_ethernet *eth_key; |
f0fb825a EG |
4535 | size_t encap[FLOW_MAX_VLAN_HEADERS] = {0}; |
4536 | size_t max_vlans; | |
5262eea1 | 4537 | const struct flow *flow = parms->flow; |
beb75a40 JS |
4538 | const struct flow *mask = parms->mask; |
4539 | const struct flow *data = export_mask ? mask : flow; | |
661cbcd5 | 4540 | |
54bb0348 | 4541 | nl_msg_put_u32(buf, OVS_KEY_ATTR_PRIORITY, data->skb_priority); |
abff858b | 4542 | |
ffe4c74f | 4543 | if (flow_tnl_dst_is_set(&flow->tunnel) || export_mask) { |
ec1f6f32 JG |
4544 | tun_key_to_attr(buf, &data->tunnel, &parms->flow->tunnel, |
4545 | parms->key_buf); | |
36956a7d BP |
4546 | } |
4547 | ||
1362e248 | 4548 | nl_msg_put_u32(buf, OVS_KEY_ATTR_SKB_MARK, data->pkt_mark); |
72e8bf28 | 4549 | |
07659514 JS |
4550 | if (parms->support.ct_state) { |
4551 | nl_msg_put_u32(buf, OVS_KEY_ATTR_CT_STATE, | |
4552 | ovs_to_odp_ct_state(data->ct_state)); | |
4553 | } | |
4554 | if (parms->support.ct_zone) { | |
4555 | nl_msg_put_u16(buf, OVS_KEY_ATTR_CT_ZONE, data->ct_zone); | |
4556 | } | |
8e53fe8c JS |
4557 | if (parms->support.ct_mark) { |
4558 | nl_msg_put_u32(buf, OVS_KEY_ATTR_CT_MARK, data->ct_mark); | |
4559 | } | |
9daf2348 JS |
4560 | if (parms->support.ct_label) { |
4561 | nl_msg_put_unspec(buf, OVS_KEY_ATTR_CT_LABELS, &data->ct_label, | |
4562 | sizeof(data->ct_label)); | |
4563 | } | |
7b5bbe5d JS |
4564 | if (flow->ct_nw_proto) { |
4565 | if (parms->support.ct_orig_tuple | |
4566 | && flow->dl_type == htons(ETH_TYPE_IP)) { | |
daf4d3c1 JR |
4567 | struct ovs_key_ct_tuple_ipv4 ct = { |
4568 | data->ct_nw_src, | |
4569 | data->ct_nw_dst, | |
4570 | data->ct_tp_src, | |
4571 | data->ct_tp_dst, | |
4572 | data->ct_nw_proto, | |
4573 | }; | |
4574 | nl_msg_put_unspec(buf, OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV4, &ct, | |
4575 | sizeof ct); | |
7b5bbe5d JS |
4576 | } else if (parms->support.ct_orig_tuple6 |
4577 | && flow->dl_type == htons(ETH_TYPE_IPV6)) { | |
daf4d3c1 JR |
4578 | struct ovs_key_ct_tuple_ipv6 ct = { |
4579 | data->ct_ipv6_src, | |
4580 | data->ct_ipv6_dst, | |
4581 | data->ct_tp_src, | |
4582 | data->ct_tp_dst, | |
4583 | data->ct_nw_proto, | |
4584 | }; | |
4585 | nl_msg_put_unspec(buf, OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV6, &ct, | |
4586 | sizeof ct); | |
4587 | } | |
4588 | } | |
2494ccd7 | 4589 | if (parms->support.recirc) { |
572f732a | 4590 | nl_msg_put_u32(buf, OVS_KEY_ATTR_RECIRC_ID, data->recirc_id); |
572f732a AZ |
4591 | nl_msg_put_u32(buf, OVS_KEY_ATTR_DP_HASH, data->dp_hash); |
4592 | } | |
4593 | ||
098d2a97 | 4594 | /* Add an ingress port attribute if this is a mask or 'in_port.odp_port' |
661cbcd5 | 4595 | * is not the magical value "ODPP_NONE". */ |
098d2a97 JG |
4596 | if (export_mask || flow->in_port.odp_port != ODPP_NONE) { |
4597 | nl_msg_put_odp_port(buf, OVS_KEY_ATTR_IN_PORT, data->in_port.odp_port); | |
18886b60 | 4598 | } |
36956a7d | 4599 | |
3d4b2e6e | 4600 | nl_msg_put_be32(buf, OVS_KEY_ATTR_PACKET_TYPE, data->packet_type); |
36956a7d | 4601 | |
f0fb825a EG |
4602 | if (OVS_UNLIKELY(parms->probe)) { |
4603 | max_vlans = FLOW_MAX_VLAN_HEADERS; | |
4604 | } else { | |
4605 | max_vlans = MIN(parms->support.max_vlan_headers, flow_vlan_limit); | |
4606 | } | |
f0fb825a | 4607 | |
beb75a40 JS |
4608 | /* Conditionally add L2 attributes for Ethernet packets */ |
4609 | if (flow->packet_type == htonl(PT_ETH)) { | |
4610 | eth_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_ETHERNET, | |
4611 | sizeof *eth_key); | |
4612 | get_ethernet_key(data, eth_key); | |
4613 | ||
4614 | for (int encaps = 0; encaps < max_vlans; encaps++) { | |
4615 | ovs_be16 tpid = flow->vlans[encaps].tpid; | |
4616 | ||
4617 | if (flow->vlans[encaps].tci == htons(0)) { | |
4618 | if (eth_type_vlan(flow->dl_type)) { | |
4619 | /* If VLAN was truncated the tpid is in dl_type */ | |
4620 | tpid = flow->dl_type; | |
4621 | } else { | |
4622 | break; | |
4623 | } | |
f0fb825a | 4624 | } |
f0fb825a | 4625 | |
beb75a40 JS |
4626 | if (export_mask) { |
4627 | nl_msg_put_be16(buf, OVS_KEY_ATTR_ETHERTYPE, OVS_BE16_MAX); | |
4628 | } else { | |
4629 | nl_msg_put_be16(buf, OVS_KEY_ATTR_ETHERTYPE, tpid); | |
4630 | } | |
4631 | nl_msg_put_be16(buf, OVS_KEY_ATTR_VLAN, data->vlans[encaps].tci); | |
4632 | encap[encaps] = nl_msg_start_nested(buf, OVS_KEY_ATTR_ENCAP); | |
4633 | if (flow->vlans[encaps].tci == htons(0)) { | |
4634 | goto unencap; | |
4635 | } | |
8ddc056d | 4636 | } |
36956a7d BP |
4637 | } |
4638 | ||
4639 | if (ntohs(flow->dl_type) < ETH_TYPE_MIN) { | |
661cbcd5 JP |
4640 | /* For backwards compatibility with kernels that don't support |
4641 | * wildcarding, the following convention is used to encode the | |
4642 | * OVS_KEY_ATTR_ETHERTYPE for key and mask: | |
4643 | * | |
4644 | * key mask matches | |
4645 | * -------- -------- ------- | |
4646 | * >0x5ff 0xffff Specified Ethernet II Ethertype. | |
4647 | * >0x5ff 0 Any Ethernet II or non-Ethernet II frame. | |
4648 | * <none> 0xffff Any non-Ethernet II frame (except valid | |
4649 | * 802.3 SNAP packet with valid eth_type). | |
4650 | */ | |
fbfe01de | 4651 | if (export_mask) { |
b8266395 | 4652 | nl_msg_put_be16(buf, OVS_KEY_ATTR_ETHERTYPE, OVS_BE16_MAX); |
661cbcd5 | 4653 | } |
fea393b1 | 4654 | goto unencap; |
36956a7d BP |
4655 | } |
4656 | ||
661cbcd5 | 4657 | nl_msg_put_be16(buf, OVS_KEY_ATTR_ETHERTYPE, data->dl_type); |
36956a7d | 4658 | |
f0fb825a EG |
4659 | if (eth_type_vlan(flow->dl_type)) { |
4660 | goto unencap; | |
4661 | } | |
4662 | ||
36956a7d | 4663 | if (flow->dl_type == htons(ETH_TYPE_IP)) { |
df2c07f4 | 4664 | struct ovs_key_ipv4 *ipv4_key; |
36956a7d | 4665 | |
df2c07f4 | 4666 | ipv4_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_IPV4, |
36956a7d | 4667 | sizeof *ipv4_key); |
3cea18ec | 4668 | get_ipv4_key(data, ipv4_key, export_mask); |
d31f1109 | 4669 | } else if (flow->dl_type == htons(ETH_TYPE_IPV6)) { |
df2c07f4 | 4670 | struct ovs_key_ipv6 *ipv6_key; |
d31f1109 | 4671 | |
df2c07f4 | 4672 | ipv6_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_IPV6, |
d31f1109 | 4673 | sizeof *ipv6_key); |
3cea18ec | 4674 | get_ipv6_key(data, ipv6_key, export_mask); |
8087f5ff MM |
4675 | } else if (flow->dl_type == htons(ETH_TYPE_ARP) || |
4676 | flow->dl_type == htons(ETH_TYPE_RARP)) { | |
df2c07f4 | 4677 | struct ovs_key_arp *arp_key; |
d31f1109 | 4678 | |
3cea18ec JR |
4679 | arp_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_ARP, |
4680 | sizeof *arp_key); | |
4681 | get_arp_key(data, arp_key); | |
b0a17866 | 4682 | } else if (eth_type_mpls(flow->dl_type)) { |
b02475c5 | 4683 | struct ovs_key_mpls *mpls_key; |
8bfd0fda | 4684 | int i, n; |
b02475c5 | 4685 | |
8bfd0fda | 4686 | n = flow_count_mpls_labels(flow, NULL); |
5262eea1 | 4687 | if (export_mask) { |
2494ccd7 | 4688 | n = MIN(n, parms->support.max_mpls_depth); |
5262eea1 | 4689 | } |
b02475c5 | 4690 | mpls_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_MPLS, |
8bfd0fda BP |
4691 | n * sizeof *mpls_key); |
4692 | for (i = 0; i < n; i++) { | |
4693 | mpls_key[i].mpls_lse = data->mpls_lse[i]; | |
4694 | } | |
b02475c5 SH |
4695 | } |
4696 | ||
48cecbdc | 4697 | if (is_ip_any(flow) && !(flow->nw_frag & FLOW_NW_FRAG_LATER)) { |
6767a2cc | 4698 | if (flow->nw_proto == IPPROTO_TCP) { |
3cea18ec | 4699 | union ovs_key_tp *tcp_key; |
36956a7d | 4700 | |
df2c07f4 | 4701 | tcp_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_TCP, |
36956a7d | 4702 | sizeof *tcp_key); |
3cea18ec | 4703 | get_tp_key(data, tcp_key); |
dc235f7f JR |
4704 | if (data->tcp_flags) { |
4705 | nl_msg_put_be16(buf, OVS_KEY_ATTR_TCP_FLAGS, data->tcp_flags); | |
4706 | } | |
6767a2cc | 4707 | } else if (flow->nw_proto == IPPROTO_UDP) { |
3cea18ec | 4708 | union ovs_key_tp *udp_key; |
36956a7d | 4709 | |
df2c07f4 | 4710 | udp_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_UDP, |
36956a7d | 4711 | sizeof *udp_key); |
3cea18ec | 4712 | get_tp_key(data, udp_key); |
c6bcb685 | 4713 | } else if (flow->nw_proto == IPPROTO_SCTP) { |
3cea18ec | 4714 | union ovs_key_tp *sctp_key; |
c6bcb685 JS |
4715 | |
4716 | sctp_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_SCTP, | |
4717 | sizeof *sctp_key); | |
3cea18ec | 4718 | get_tp_key(data, sctp_key); |
d31f1109 JP |
4719 | } else if (flow->dl_type == htons(ETH_TYPE_IP) |
4720 | && flow->nw_proto == IPPROTO_ICMP) { | |
df2c07f4 | 4721 | struct ovs_key_icmp *icmp_key; |
36956a7d | 4722 | |
df2c07f4 | 4723 | icmp_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_ICMP, |
36956a7d | 4724 | sizeof *icmp_key); |
661cbcd5 JP |
4725 | icmp_key->icmp_type = ntohs(data->tp_src); |
4726 | icmp_key->icmp_code = ntohs(data->tp_dst); | |
d31f1109 JP |
4727 | } else if (flow->dl_type == htons(ETH_TYPE_IPV6) |
4728 | && flow->nw_proto == IPPROTO_ICMPV6) { | |
df2c07f4 | 4729 | struct ovs_key_icmpv6 *icmpv6_key; |
d31f1109 | 4730 | |
df2c07f4 | 4731 | icmpv6_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_ICMPV6, |
d31f1109 | 4732 | sizeof *icmpv6_key); |
661cbcd5 JP |
4733 | icmpv6_key->icmpv6_type = ntohs(data->tp_src); |
4734 | icmpv6_key->icmpv6_code = ntohs(data->tp_dst); | |
685a51a5 | 4735 | |
c17fcc0a | 4736 | if (is_nd(flow, NULL) |
a63e3dc9 DDP |
4737 | /* Even though 'tp_src' and 'tp_dst' are 16 bits wide, ICMP |
4738 | * type and code are 8 bits wide. Therefore, an exact match | |
4739 | * looks like htons(0xff), not htons(0xffff). See | |
4740 | * xlate_wc_finish() for details. */ | |
4741 | && (!export_mask || (data->tp_src == htons(0xff) | |
4742 | && data->tp_dst == htons(0xff)))) { | |
6f8dbd27 | 4743 | |
df2c07f4 | 4744 | struct ovs_key_nd *nd_key; |
685a51a5 | 4745 | |
df2c07f4 | 4746 | nd_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_ND, |
685a51a5 | 4747 | sizeof *nd_key); |
932c96b7 | 4748 | nd_key->nd_target = data->nd_target; |
74ff3298 JR |
4749 | nd_key->nd_sll = data->arp_sha; |
4750 | nd_key->nd_tll = data->arp_tha; | |
685a51a5 | 4751 | } |
36956a7d | 4752 | } |
36956a7d | 4753 | } |
fea393b1 BP |
4754 | |
4755 | unencap: | |
f0fb825a EG |
4756 | for (int encaps = max_vlans - 1; encaps >= 0; encaps--) { |
4757 | if (encap[encaps]) { | |
4758 | nl_msg_end_nested(buf, encap[encaps]); | |
4759 | } | |
fea393b1 | 4760 | } |
36956a7d | 4761 | } |
661cbcd5 JP |
4762 | |
4763 | /* Appends a representation of 'flow' as OVS_KEY_ATTR_* attributes to 'buf'. | |
661cbcd5 JP |
4764 | * |
4765 | * 'buf' must have at least ODPUTIL_FLOW_KEY_BYTES bytes of space, or be | |
5262eea1 | 4766 | * capable of being expanded to allow for that much space. */ |
661cbcd5 | 4767 | void |
5262eea1 JG |
4768 | odp_flow_key_from_flow(const struct odp_flow_key_parms *parms, |
4769 | struct ofpbuf *buf) | |
661cbcd5 | 4770 | { |
5262eea1 | 4771 | odp_flow_key_from_flow__(parms, false, buf); |
661cbcd5 JP |
4772 | } |
4773 | ||
4774 | /* Appends a representation of 'mask' as OVS_KEY_ATTR_* attributes to | |
5262eea1 | 4775 | * 'buf'. |
661cbcd5 JP |
4776 | * |
4777 | * 'buf' must have at least ODPUTIL_FLOW_KEY_BYTES bytes of space, or be | |
5262eea1 | 4778 | * capable of being expanded to allow for that much space. */ |
661cbcd5 | 4779 | void |
5262eea1 JG |
4780 | odp_flow_key_from_mask(const struct odp_flow_key_parms *parms, |
4781 | struct ofpbuf *buf) | |
661cbcd5 | 4782 | { |
5262eea1 | 4783 | odp_flow_key_from_flow__(parms, true, buf); |
661cbcd5 | 4784 | } |
36956a7d | 4785 | |
758c456d JR |
4786 | /* Generate ODP flow key from the given packet metadata */ |
4787 | void | |
beb75a40 | 4788 | odp_key_from_dp_packet(struct ofpbuf *buf, const struct dp_packet *packet) |
758c456d | 4789 | { |
beb75a40 JS |
4790 | const struct pkt_metadata *md = &packet->md; |
4791 | ||
758c456d JR |
4792 | nl_msg_put_u32(buf, OVS_KEY_ATTR_PRIORITY, md->skb_priority); |
4793 | ||
ffe4c74f | 4794 | if (flow_tnl_dst_is_set(&md->tunnel)) { |
ec1f6f32 | 4795 | tun_key_to_attr(buf, &md->tunnel, &md->tunnel, NULL); |
758c456d JR |
4796 | } |
4797 | ||
4798 | nl_msg_put_u32(buf, OVS_KEY_ATTR_SKB_MARK, md->pkt_mark); | |
4799 | ||
07659514 JS |
4800 | if (md->ct_state) { |
4801 | nl_msg_put_u32(buf, OVS_KEY_ATTR_CT_STATE, | |
4802 | ovs_to_odp_ct_state(md->ct_state)); | |
4803 | if (md->ct_zone) { | |
4804 | nl_msg_put_u16(buf, OVS_KEY_ATTR_CT_ZONE, md->ct_zone); | |
4805 | } | |
8e53fe8c JS |
4806 | if (md->ct_mark) { |
4807 | nl_msg_put_u32(buf, OVS_KEY_ATTR_CT_MARK, md->ct_mark); | |
4808 | } | |
2ff8484b | 4809 | if (!ovs_u128_is_zero(md->ct_label)) { |
9daf2348 JS |
4810 | nl_msg_put_unspec(buf, OVS_KEY_ATTR_CT_LABELS, &md->ct_label, |
4811 | sizeof(md->ct_label)); | |
4812 | } | |
daf4d3c1 JR |
4813 | if (md->ct_orig_tuple_ipv6) { |
4814 | if (md->ct_orig_tuple.ipv6.ipv6_proto) { | |
4815 | nl_msg_put_unspec(buf, OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV6, | |
4816 | &md->ct_orig_tuple.ipv6, | |
4817 | sizeof md->ct_orig_tuple.ipv6); | |
4818 | } | |
4819 | } else { | |
4820 | if (md->ct_orig_tuple.ipv4.ipv4_proto) { | |
4821 | nl_msg_put_unspec(buf, OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV4, | |
4822 | &md->ct_orig_tuple.ipv4, | |
4823 | sizeof md->ct_orig_tuple.ipv4); | |
4824 | } | |
4825 | } | |
07659514 JS |
4826 | } |
4827 | ||
758c456d JR |
4828 | /* Add an ingress port attribute if 'odp_in_port' is not the magical |
4829 | * value "ODPP_NONE". */ | |
b5e7e61a AZ |
4830 | if (md->in_port.odp_port != ODPP_NONE) { |
4831 | nl_msg_put_odp_port(buf, OVS_KEY_ATTR_IN_PORT, md->in_port.odp_port); | |
758c456d | 4832 | } |
beb75a40 JS |
4833 | |
4834 | /* Add OVS_KEY_ATTR_ETHERNET for non-Ethernet packets */ | |
4835 | if (pt_ns(packet->packet_type) == OFPHTN_ETHERTYPE) { | |
4836 | nl_msg_put_be16(buf, OVS_KEY_ATTR_ETHERTYPE, | |
4837 | pt_ns_type_be(packet->packet_type)); | |
4838 | } | |
758c456d JR |
4839 | } |
4840 | ||
4841 | /* Generate packet metadata from the given ODP flow key. */ | |
4842 | void | |
beb75a40 JS |
4843 | odp_key_to_dp_packet(const struct nlattr *key, size_t key_len, |
4844 | struct dp_packet *packet) | |
758c456d | 4845 | { |
beb75a40 | 4846 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); |
758c456d | 4847 | const struct nlattr *nla; |
beb75a40 JS |
4848 | struct pkt_metadata *md = &packet->md; |
4849 | ovs_be32 packet_type = htonl(PT_UNKNOWN); | |
4850 | ovs_be16 ethertype = 0; | |
758c456d | 4851 | size_t left; |
758c456d | 4852 | |
35303d71 | 4853 | pkt_metadata_init(md, ODPP_NONE); |
758c456d JR |
4854 | |
4855 | NL_ATTR_FOR_EACH (nla, left, key, key_len) { | |
4856 | uint16_t type = nl_attr_type(nla); | |
4857 | size_t len = nl_attr_get_size(nla); | |
6b8da9e9 JG |
4858 | int expected_len = odp_key_attr_len(ovs_flow_key_attr_lens, |
4859 | OVS_KEY_ATTR_MAX, type); | |
758c456d JR |
4860 | |
4861 | if (len != expected_len && expected_len >= 0) { | |
4862 | continue; | |
4863 | } | |
4864 | ||
572f732a AZ |
4865 | switch (type) { |
4866 | case OVS_KEY_ATTR_RECIRC_ID: | |
4867 | md->recirc_id = nl_attr_get_u32(nla); | |
572f732a AZ |
4868 | break; |
4869 | case OVS_KEY_ATTR_DP_HASH: | |
4870 | md->dp_hash = nl_attr_get_u32(nla); | |
572f732a AZ |
4871 | break; |
4872 | case OVS_KEY_ATTR_PRIORITY: | |
758c456d | 4873 | md->skb_priority = nl_attr_get_u32(nla); |
572f732a AZ |
4874 | break; |
4875 | case OVS_KEY_ATTR_SKB_MARK: | |
758c456d | 4876 | md->pkt_mark = nl_attr_get_u32(nla); |
572f732a | 4877 | break; |
07659514 JS |
4878 | case OVS_KEY_ATTR_CT_STATE: |
4879 | md->ct_state = odp_to_ovs_ct_state(nl_attr_get_u32(nla)); | |
07659514 JS |
4880 | break; |
4881 | case OVS_KEY_ATTR_CT_ZONE: | |
4882 | md->ct_zone = nl_attr_get_u16(nla); | |
07659514 | 4883 | break; |
8e53fe8c JS |
4884 | case OVS_KEY_ATTR_CT_MARK: |
4885 | md->ct_mark = nl_attr_get_u32(nla); | |
8e53fe8c | 4886 | break; |
9daf2348 | 4887 | case OVS_KEY_ATTR_CT_LABELS: { |
ab79d262 | 4888 | md->ct_label = nl_attr_get_u128(nla); |
9daf2348 JS |
4889 | break; |
4890 | } | |
daf4d3c1 JR |
4891 | case OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV4: { |
4892 | const struct ovs_key_ct_tuple_ipv4 *ct = nl_attr_get(nla); | |
4893 | md->ct_orig_tuple.ipv4 = *ct; | |
4894 | md->ct_orig_tuple_ipv6 = false; | |
daf4d3c1 JR |
4895 | break; |
4896 | } | |
4897 | case OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV6: { | |
4898 | const struct ovs_key_ct_tuple_ipv6 *ct = nl_attr_get(nla); | |
4899 | ||
4900 | md->ct_orig_tuple.ipv6 = *ct; | |
4901 | md->ct_orig_tuple_ipv6 = true; | |
daf4d3c1 JR |
4902 | break; |
4903 | } | |
572f732a | 4904 | case OVS_KEY_ATTR_TUNNEL: { |
758c456d JR |
4905 | enum odp_key_fitness res; |
4906 | ||
8d8ab6c2 | 4907 | res = odp_tun_key_from_attr(nla, &md->tunnel); |
758c456d JR |
4908 | if (res == ODP_FIT_ERROR) { |
4909 | memset(&md->tunnel, 0, sizeof md->tunnel); | |
758c456d | 4910 | } |
572f732a AZ |
4911 | break; |
4912 | } | |
4913 | case OVS_KEY_ATTR_IN_PORT: | |
b5e7e61a | 4914 | md->in_port.odp_port = nl_attr_get_odp_port(nla); |
572f732a | 4915 | break; |
beb75a40 JS |
4916 | case OVS_KEY_ATTR_ETHERNET: |
4917 | /* Presence of OVS_KEY_ATTR_ETHERNET indicates Ethernet packet. */ | |
4918 | packet_type = htonl(PT_ETH); | |
beb75a40 JS |
4919 | break; |
4920 | case OVS_KEY_ATTR_ETHERTYPE: | |
4921 | ethertype = nl_attr_get_be16(nla); | |
beb75a40 | 4922 | break; |
572f732a AZ |
4923 | default: |
4924 | break; | |
758c456d | 4925 | } |
758c456d | 4926 | } |
beb75a40 JS |
4927 | |
4928 | if (packet_type == htonl(PT_ETH)) { | |
4929 | packet->packet_type = htonl(PT_ETH); | |
4930 | } else if (packet_type == htonl(PT_UNKNOWN) && ethertype != 0) { | |
4931 | packet->packet_type = PACKET_TYPE_BE(OFPHTN_ETHERTYPE, | |
4932 | ntohs(ethertype)); | |
4933 | } else { | |
4934 | VLOG_ERR_RL(&rl, "Packet without ETHERTYPE. Unknown packet_type."); | |
4935 | } | |
758c456d JR |
4936 | } |
4937 | ||
b0f7b9b5 BP |
4938 | uint32_t |
4939 | odp_flow_key_hash(const struct nlattr *key, size_t key_len) | |
4940 | { | |
4941 | BUILD_ASSERT_DECL(!(NLA_ALIGNTO % sizeof(uint32_t))); | |
0a96a21b | 4942 | return hash_bytes32(ALIGNED_CAST(const uint32_t *, key), key_len, 0); |
b0f7b9b5 BP |
4943 | } |
4944 | ||
34118cae BP |
4945 | static void |
4946 | log_odp_key_attributes(struct vlog_rate_limit *rl, const char *title, | |
b0f7b9b5 | 4947 | uint64_t attrs, int out_of_range_attr, |
34118cae BP |
4948 | const struct nlattr *key, size_t key_len) |
4949 | { | |
4950 | struct ds s; | |
4951 | int i; | |
4952 | ||
b0f7b9b5 | 4953 | if (VLOG_DROP_DBG(rl)) { |
34118cae BP |
4954 | return; |
4955 | } | |
4956 | ||
4957 | ds_init(&s); | |
b0f7b9b5 BP |
4958 | for (i = 0; i < 64; i++) { |
4959 | if (attrs & (UINT64_C(1) << i)) { | |
e6603631 BP |
4960 | char namebuf[OVS_KEY_ATTR_BUFSIZE]; |
4961 | ||
4962 | ds_put_format(&s, " %s", | |
4963 | ovs_key_attr_to_string(i, namebuf, sizeof namebuf)); | |
34118cae BP |
4964 | } |
4965 | } | |
b0f7b9b5 BP |
4966 | if (out_of_range_attr) { |
4967 | ds_put_format(&s, " %d (and possibly others)", out_of_range_attr); | |
4968 | } | |
34118cae BP |
4969 | |
4970 | ds_put_cstr(&s, ": "); | |
4971 | odp_flow_key_format(key, key_len, &s); | |
4972 | ||
b0f7b9b5 | 4973 | VLOG_DBG("%s:%s", title, ds_cstr(&s)); |
34118cae BP |
4974 | ds_destroy(&s); |
4975 | } | |
4976 | ||
3cea18ec JR |
4977 | static uint8_t |
4978 | odp_to_ovs_frag(uint8_t odp_frag, bool is_mask) | |
7257b535 | 4979 | { |
34118cae BP |
4980 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); |
4981 | ||
3cea18ec JR |
4982 | if (is_mask) { |
4983 | return odp_frag ? FLOW_NW_FRAG_MASK : 0; | |
4984 | } | |
4985 | ||
9e44d715 | 4986 | if (odp_frag > OVS_FRAG_TYPE_LATER) { |
b0f7b9b5 | 4987 | VLOG_ERR_RL(&rl, "invalid frag %"PRIu8" in flow key", odp_frag); |
3cea18ec | 4988 | return 0xff; /* Error. */ |
7257b535 BP |
4989 | } |
4990 | ||
3cea18ec JR |
4991 | return (odp_frag == OVS_FRAG_TYPE_NONE) ? 0 |
4992 | : (odp_frag == OVS_FRAG_TYPE_FIRST) ? FLOW_NW_FRAG_ANY | |
4993 | : FLOW_NW_FRAG_ANY | FLOW_NW_FRAG_LATER; | |
7257b535 BP |
4994 | } |
4995 | ||
b0f7b9b5 | 4996 | static bool |
fea393b1 | 4997 | parse_flow_nlattrs(const struct nlattr *key, size_t key_len, |
b0f7b9b5 BP |
4998 | const struct nlattr *attrs[], uint64_t *present_attrsp, |
4999 | int *out_of_range_attrp) | |
36956a7d | 5000 | { |
b0f7b9b5 | 5001 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(10, 10); |
36956a7d | 5002 | const struct nlattr *nla; |
34118cae | 5003 | uint64_t present_attrs; |
36956a7d BP |
5004 | size_t left; |
5005 | ||
2aef1214 | 5006 | BUILD_ASSERT(OVS_KEY_ATTR_MAX < CHAR_BIT * sizeof present_attrs); |
34118cae | 5007 | present_attrs = 0; |
b0f7b9b5 | 5008 | *out_of_range_attrp = 0; |
36956a7d | 5009 | NL_ATTR_FOR_EACH (nla, left, key, key_len) { |
34118cae BP |
5010 | uint16_t type = nl_attr_type(nla); |
5011 | size_t len = nl_attr_get_size(nla); | |
6b8da9e9 JG |
5012 | int expected_len = odp_key_attr_len(ovs_flow_key_attr_lens, |
5013 | OVS_KEY_ATTR_MAX, type); | |
34118cae | 5014 | |
b0f7b9b5 | 5015 | if (len != expected_len && expected_len >= 0) { |
e6603631 BP |
5016 | char namebuf[OVS_KEY_ATTR_BUFSIZE]; |
5017 | ||
34582733 | 5018 | VLOG_ERR_RL(&rl, "attribute %s has length %"PRIuSIZE" but should have " |
e6603631 BP |
5019 | "length %d", ovs_key_attr_to_string(type, namebuf, |
5020 | sizeof namebuf), | |
b0f7b9b5 BP |
5021 | len, expected_len); |
5022 | return false; | |
34118cae BP |
5023 | } |
5024 | ||
2aef1214 | 5025 | if (type > OVS_KEY_ATTR_MAX) { |
b0f7b9b5 BP |
5026 | *out_of_range_attrp = type; |
5027 | } else { | |
5028 | if (present_attrs & (UINT64_C(1) << type)) { | |
e6603631 BP |
5029 | char namebuf[OVS_KEY_ATTR_BUFSIZE]; |
5030 | ||
b0f7b9b5 | 5031 | VLOG_ERR_RL(&rl, "duplicate %s attribute in flow key", |
e6603631 BP |
5032 | ovs_key_attr_to_string(type, |
5033 | namebuf, sizeof namebuf)); | |
b0f7b9b5 BP |
5034 | return false; |
5035 | } | |
5036 | ||
5037 | present_attrs |= UINT64_C(1) << type; | |
5038 | attrs[type] = nla; | |
5039 | } | |
34118cae BP |
5040 | } |
5041 | if (left) { | |
5042 | VLOG_ERR_RL(&rl, "trailing garbage in flow key"); | |
b0f7b9b5 | 5043 | return false; |
34118cae BP |
5044 | } |
5045 | ||
fea393b1 | 5046 | *present_attrsp = present_attrs; |
b0f7b9b5 | 5047 | return true; |
fea393b1 BP |
5048 | } |
5049 | ||
b0f7b9b5 BP |
5050 | static enum odp_key_fitness |
5051 | check_expectations(uint64_t present_attrs, int out_of_range_attr, | |
5052 | uint64_t expected_attrs, | |
fea393b1 BP |
5053 | const struct nlattr *key, size_t key_len) |
5054 | { | |
5055 | uint64_t missing_attrs; | |
5056 | uint64_t extra_attrs; | |
5057 | ||
5058 | missing_attrs = expected_attrs & ~present_attrs; | |
5059 | if (missing_attrs) { | |
b0f7b9b5 BP |
5060 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(10, 10); |
5061 | log_odp_key_attributes(&rl, "expected but not present", | |
5062 | missing_attrs, 0, key, key_len); | |
5063 | return ODP_FIT_TOO_LITTLE; | |
fea393b1 BP |
5064 | } |
5065 | ||
5066 | extra_attrs = present_attrs & ~expected_attrs; | |
b0f7b9b5 BP |
5067 | if (extra_attrs || out_of_range_attr) { |
5068 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(10, 10); | |
5069 | log_odp_key_attributes(&rl, "present but not expected", | |
5070 | extra_attrs, out_of_range_attr, key, key_len); | |
5071 | return ODP_FIT_TOO_MUCH; | |
fea393b1 BP |
5072 | } |
5073 | ||
b0f7b9b5 | 5074 | return ODP_FIT_PERFECT; |
fea393b1 BP |
5075 | } |
5076 | ||
b0f7b9b5 BP |
5077 | static bool |
5078 | parse_ethertype(const struct nlattr *attrs[OVS_KEY_ATTR_MAX + 1], | |
5079 | uint64_t present_attrs, uint64_t *expected_attrs, | |
4a221615 | 5080 | struct flow *flow, const struct flow *src_flow) |
fea393b1 BP |
5081 | { |
5082 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); | |
4a221615 | 5083 | bool is_mask = flow != src_flow; |
36956a7d | 5084 | |
fea393b1 | 5085 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ETHERTYPE)) { |
34118cae | 5086 | flow->dl_type = nl_attr_get_be16(attrs[OVS_KEY_ATTR_ETHERTYPE]); |
4a221615 | 5087 | if (!is_mask && ntohs(flow->dl_type) < ETH_TYPE_MIN) { |
34118cae BP |
5088 | VLOG_ERR_RL(&rl, "invalid Ethertype %"PRIu16" in flow key", |
5089 | ntohs(flow->dl_type)); | |
b0f7b9b5 | 5090 | return false; |
34118cae | 5091 | } |
4a221615 GY |
5092 | if (is_mask && ntohs(src_flow->dl_type) < ETH_TYPE_MIN && |
5093 | flow->dl_type != htons(0xffff)) { | |
5094 | return false; | |
5095 | } | |
b0f7b9b5 | 5096 | *expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ETHERTYPE; |
34118cae | 5097 | } else { |
4a221615 | 5098 | if (!is_mask) { |
beb75a40 JS |
5099 | /* Default ethertype for well-known L3 packets. */ |
5100 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_IPV4)) { | |
5101 | flow->dl_type = htons(ETH_TYPE_IP); | |
5102 | } else if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_IPV6)) { | |
5103 | flow->dl_type = htons(ETH_TYPE_IPV6); | |
5104 | } else if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_MPLS)) { | |
5105 | flow->dl_type = htons(ETH_TYPE_MPLS); | |
5106 | } else { | |
5107 | flow->dl_type = htons(FLOW_DL_TYPE_NONE); | |
5108 | } | |
5109 | } else if (src_flow->packet_type != htonl(PT_ETH)) { | |
5110 | /* dl_type is mandatory for non-Ethernet packets */ | |
5111 | flow->dl_type = htons(0xffff); | |
4a221615 GY |
5112 | } else if (ntohs(src_flow->dl_type) < ETH_TYPE_MIN) { |
5113 | /* See comments in odp_flow_key_from_flow__(). */ | |
5114 | VLOG_ERR_RL(&rl, "mask expected for non-Ethernet II frame"); | |
5115 | return false; | |
5116 | } | |
34118cae | 5117 | } |
b0f7b9b5 BP |
5118 | return true; |
5119 | } | |
5120 | ||
5121 | static enum odp_key_fitness | |
b02475c5 SH |
5122 | parse_l2_5_onward(const struct nlattr *attrs[OVS_KEY_ATTR_MAX + 1], |
5123 | uint64_t present_attrs, int out_of_range_attr, | |
5124 | uint64_t expected_attrs, struct flow *flow, | |
4a221615 | 5125 | const struct nlattr *key, size_t key_len, |
91a77332 | 5126 | const struct flow *src_flow) |
b0f7b9b5 BP |
5127 | { |
5128 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); | |
4a221615 GY |
5129 | bool is_mask = src_flow != flow; |
5130 | const void *check_start = NULL; | |
5131 | size_t check_len = 0; | |
5132 | enum ovs_key_attr expected_bit = 0xff; | |
5133 | ||
5134 | if (eth_type_mpls(src_flow->dl_type)) { | |
7e6621e9 | 5135 | if (!is_mask || present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_MPLS)) { |
91a77332 | 5136 | expected_attrs |= (UINT64_C(1) << OVS_KEY_ATTR_MPLS); |
7e6621e9 JS |
5137 | } |
5138 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_MPLS)) { | |
5139 | size_t size = nl_attr_get_size(attrs[OVS_KEY_ATTR_MPLS]); | |
5140 | const ovs_be32 *mpls_lse = nl_attr_get(attrs[OVS_KEY_ATTR_MPLS]); | |
5141 | int n = size / sizeof(ovs_be32); | |
5142 | int i; | |
4a221615 | 5143 | |
7e6621e9 JS |
5144 | if (!size || size % sizeof(ovs_be32)) { |
5145 | return ODP_FIT_ERROR; | |
91a77332 | 5146 | } |
8bfd0fda | 5147 | if (flow->mpls_lse[0] && flow->dl_type != htons(0xffff)) { |
4a221615 GY |
5148 | return ODP_FIT_ERROR; |
5149 | } | |
8bfd0fda | 5150 | |
7e6621e9 JS |
5151 | for (i = 0; i < n && i < FLOW_MAX_MPLS_LABELS; i++) { |
5152 | flow->mpls_lse[i] = mpls_lse[i]; | |
5153 | } | |
5154 | if (n > FLOW_MAX_MPLS_LABELS) { | |
5155 | return ODP_FIT_TOO_MUCH; | |
5156 | } | |
8bfd0fda | 5157 | |
7e6621e9 JS |
5158 | if (!is_mask) { |
5159 | /* BOS may be set only in the innermost label. */ | |
5160 | for (i = 0; i < n - 1; i++) { | |
5161 | if (flow->mpls_lse[i] & htonl(MPLS_BOS_MASK)) { | |
5162 | return ODP_FIT_ERROR; | |
5163 | } | |
8bfd0fda | 5164 | } |
8bfd0fda | 5165 | |
7e6621e9 JS |
5166 | /* BOS must be set in the innermost label. */ |
5167 | if (n < FLOW_MAX_MPLS_LABELS | |
5168 | && !(flow->mpls_lse[n - 1] & htonl(MPLS_BOS_MASK))) { | |
5169 | return ODP_FIT_TOO_LITTLE; | |
5170 | } | |
8bfd0fda BP |
5171 | } |
5172 | } | |
5173 | ||
4a221615 GY |
5174 | goto done; |
5175 | } else if (src_flow->dl_type == htons(ETH_TYPE_IP)) { | |
5176 | if (!is_mask) { | |
5177 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_IPV4; | |
b02475c5 | 5178 | } |
fea393b1 | 5179 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_IPV4)) { |
34118cae | 5180 | const struct ovs_key_ipv4 *ipv4_key; |
36956a7d | 5181 | |
34118cae | 5182 | ipv4_key = nl_attr_get(attrs[OVS_KEY_ATTR_IPV4]); |
3cea18ec JR |
5183 | put_ipv4_key(ipv4_key, flow, is_mask); |
5184 | if (flow->nw_frag > FLOW_NW_FRAG_MASK) { | |
5185 | return ODP_FIT_ERROR; | |
5186 | } | |
4a221615 | 5187 | if (is_mask) { |
4a221615 GY |
5188 | check_start = ipv4_key; |
5189 | check_len = sizeof *ipv4_key; | |
5190 | expected_bit = OVS_KEY_ATTR_IPV4; | |
36956a7d | 5191 | } |
34118cae | 5192 | } |
4a221615 GY |
5193 | } else if (src_flow->dl_type == htons(ETH_TYPE_IPV6)) { |
5194 | if (!is_mask) { | |
5195 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_IPV6; | |
5196 | } | |
fea393b1 | 5197 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_IPV6)) { |
34118cae | 5198 | const struct ovs_key_ipv6 *ipv6_key; |
36956a7d | 5199 | |
34118cae | 5200 | ipv6_key = nl_attr_get(attrs[OVS_KEY_ATTR_IPV6]); |
3cea18ec JR |
5201 | put_ipv6_key(ipv6_key, flow, is_mask); |
5202 | if (flow->nw_frag > FLOW_NW_FRAG_MASK) { | |
5203 | return ODP_FIT_ERROR; | |
5204 | } | |
4a221615 | 5205 | if (is_mask) { |
4a221615 GY |
5206 | check_start = ipv6_key; |
5207 | check_len = sizeof *ipv6_key; | |
5208 | expected_bit = OVS_KEY_ATTR_IPV6; | |
d31f1109 | 5209 | } |
34118cae | 5210 | } |
4a221615 GY |
5211 | } else if (src_flow->dl_type == htons(ETH_TYPE_ARP) || |
5212 | src_flow->dl_type == htons(ETH_TYPE_RARP)) { | |
5213 | if (!is_mask) { | |
5214 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ARP; | |
5215 | } | |
fea393b1 | 5216 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ARP)) { |
34118cae | 5217 | const struct ovs_key_arp *arp_key; |
d31f1109 | 5218 | |
34118cae | 5219 | arp_key = nl_attr_get(attrs[OVS_KEY_ATTR_ARP]); |
4a221615 | 5220 | if (!is_mask && (arp_key->arp_op & htons(0xff00))) { |
34118cae BP |
5221 | VLOG_ERR_RL(&rl, "unsupported ARP opcode %"PRIu16" in flow " |
5222 | "key", ntohs(arp_key->arp_op)); | |
b0f7b9b5 | 5223 | return ODP_FIT_ERROR; |
36956a7d | 5224 | } |
3cea18ec | 5225 | put_arp_key(arp_key, flow); |
4a221615 GY |
5226 | if (is_mask) { |
5227 | check_start = arp_key; | |
5228 | check_len = sizeof *arp_key; | |
5229 | expected_bit = OVS_KEY_ATTR_ARP; | |
5230 | } | |
5231 | } | |
5232 | } else { | |
5233 | goto done; | |
5234 | } | |
df4eeb20 | 5235 | if (check_len > 0) { /* Happens only when 'is_mask'. */ |
4a221615 GY |
5236 | if (!is_all_zeros(check_start, check_len) && |
5237 | flow->dl_type != htons(0xffff)) { | |
5238 | return ODP_FIT_ERROR; | |
5239 | } else { | |
5240 | expected_attrs |= UINT64_C(1) << expected_bit; | |
36956a7d | 5241 | } |
36956a7d | 5242 | } |
36956a7d | 5243 | |
4a221615 GY |
5244 | expected_bit = OVS_KEY_ATTR_UNSPEC; |
5245 | if (src_flow->nw_proto == IPPROTO_TCP | |
5246 | && (src_flow->dl_type == htons(ETH_TYPE_IP) || | |
5247 | src_flow->dl_type == htons(ETH_TYPE_IPV6)) | |
5248 | && !(src_flow->nw_frag & FLOW_NW_FRAG_LATER)) { | |
5249 | if (!is_mask) { | |
5250 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_TCP; | |
5251 | } | |
fea393b1 | 5252 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_TCP)) { |
3cea18ec | 5253 | const union ovs_key_tp *tcp_key; |
36956a7d | 5254 | |
34118cae | 5255 | tcp_key = nl_attr_get(attrs[OVS_KEY_ATTR_TCP]); |
3cea18ec | 5256 | put_tp_key(tcp_key, flow); |
4a221615 GY |
5257 | expected_bit = OVS_KEY_ATTR_TCP; |
5258 | } | |
dc235f7f JR |
5259 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_TCP_FLAGS)) { |
5260 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_TCP_FLAGS; | |
5261 | flow->tcp_flags = nl_attr_get_be16(attrs[OVS_KEY_ATTR_TCP_FLAGS]); | |
5262 | } | |
4a221615 GY |
5263 | } else if (src_flow->nw_proto == IPPROTO_UDP |
5264 | && (src_flow->dl_type == htons(ETH_TYPE_IP) || | |
5265 | src_flow->dl_type == htons(ETH_TYPE_IPV6)) | |
5266 | && !(src_flow->nw_frag & FLOW_NW_FRAG_LATER)) { | |
5267 | if (!is_mask) { | |
5268 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_UDP; | |
7257b535 | 5269 | } |
fea393b1 | 5270 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_UDP)) { |
3cea18ec | 5271 | const union ovs_key_tp *udp_key; |
34118cae BP |
5272 | |
5273 | udp_key = nl_attr_get(attrs[OVS_KEY_ATTR_UDP]); | |
3cea18ec | 5274 | put_tp_key(udp_key, flow); |
4a221615 GY |
5275 | expected_bit = OVS_KEY_ATTR_UDP; |
5276 | } | |
12848ebf GS |
5277 | } else if (src_flow->nw_proto == IPPROTO_SCTP |
5278 | && (src_flow->dl_type == htons(ETH_TYPE_IP) || | |
5279 | src_flow->dl_type == htons(ETH_TYPE_IPV6)) | |
5280 | && !(src_flow->nw_frag & FLOW_NW_FRAG_LATER)) { | |
c6bcb685 JS |
5281 | if (!is_mask) { |
5282 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_SCTP; | |
5283 | } | |
5284 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_SCTP)) { | |
3cea18ec | 5285 | const union ovs_key_tp *sctp_key; |
c6bcb685 JS |
5286 | |
5287 | sctp_key = nl_attr_get(attrs[OVS_KEY_ATTR_SCTP]); | |
3cea18ec | 5288 | put_tp_key(sctp_key, flow); |
c6bcb685 JS |
5289 | expected_bit = OVS_KEY_ATTR_SCTP; |
5290 | } | |
4a221615 GY |
5291 | } else if (src_flow->nw_proto == IPPROTO_ICMP |
5292 | && src_flow->dl_type == htons(ETH_TYPE_IP) | |
5293 | && !(src_flow->nw_frag & FLOW_NW_FRAG_LATER)) { | |
5294 | if (!is_mask) { | |
5295 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ICMP; | |
d31f1109 | 5296 | } |
fea393b1 | 5297 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ICMP)) { |
34118cae BP |
5298 | const struct ovs_key_icmp *icmp_key; |
5299 | ||
5300 | icmp_key = nl_attr_get(attrs[OVS_KEY_ATTR_ICMP]); | |
5301 | flow->tp_src = htons(icmp_key->icmp_type); | |
5302 | flow->tp_dst = htons(icmp_key->icmp_code); | |
4a221615 GY |
5303 | expected_bit = OVS_KEY_ATTR_ICMP; |
5304 | } | |
5305 | } else if (src_flow->nw_proto == IPPROTO_ICMPV6 | |
5306 | && src_flow->dl_type == htons(ETH_TYPE_IPV6) | |
5307 | && !(src_flow->nw_frag & FLOW_NW_FRAG_LATER)) { | |
5308 | if (!is_mask) { | |
5309 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ICMPV6; | |
685a51a5 | 5310 | } |
fea393b1 | 5311 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ICMPV6)) { |
34118cae BP |
5312 | const struct ovs_key_icmpv6 *icmpv6_key; |
5313 | ||
5314 | icmpv6_key = nl_attr_get(attrs[OVS_KEY_ATTR_ICMPV6]); | |
5315 | flow->tp_src = htons(icmpv6_key->icmpv6_type); | |
5316 | flow->tp_dst = htons(icmpv6_key->icmpv6_code); | |
4a221615 | 5317 | expected_bit = OVS_KEY_ATTR_ICMPV6; |
c17fcc0a | 5318 | if (is_nd(src_flow, NULL)) { |
4a221615 GY |
5319 | if (!is_mask) { |
5320 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ND; | |
5321 | } | |
fea393b1 | 5322 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ND)) { |
34118cae BP |
5323 | const struct ovs_key_nd *nd_key; |
5324 | ||
5325 | nd_key = nl_attr_get(attrs[OVS_KEY_ATTR_ND]); | |
932c96b7 | 5326 | flow->nd_target = nd_key->nd_target; |
74ff3298 JR |
5327 | flow->arp_sha = nd_key->nd_sll; |
5328 | flow->arp_tha = nd_key->nd_tll; | |
4a221615 | 5329 | if (is_mask) { |
a63e3dc9 DDP |
5330 | /* Even though 'tp_src' and 'tp_dst' are 16 bits wide, |
5331 | * ICMP type and code are 8 bits wide. Therefore, an | |
5332 | * exact match looks like htons(0xff), not | |
5333 | * htons(0xffff). See xlate_wc_finish() for details. | |
5334 | * */ | |
53cb9c3e | 5335 | if (!is_all_zeros(nd_key, sizeof *nd_key) && |
a63e3dc9 DDP |
5336 | (flow->tp_src != htons(0xff) || |
5337 | flow->tp_dst != htons(0xff))) { | |
4a221615 GY |
5338 | return ODP_FIT_ERROR; |
5339 | } else { | |
5340 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ND; | |
5341 | } | |
5342 | } | |
34118cae BP |
5343 | } |
5344 | } | |
7257b535 | 5345 | } |
34118cae | 5346 | } |
4a221615 GY |
5347 | if (is_mask && expected_bit != OVS_KEY_ATTR_UNSPEC) { |
5348 | if ((flow->tp_src || flow->tp_dst) && flow->nw_proto != 0xff) { | |
5349 | return ODP_FIT_ERROR; | |
5350 | } else { | |
5351 | expected_attrs |= UINT64_C(1) << expected_bit; | |
5352 | } | |
5353 | } | |
7257b535 | 5354 | |
4a221615 | 5355 | done: |
b0f7b9b5 BP |
5356 | return check_expectations(present_attrs, out_of_range_attr, expected_attrs, |
5357 | key, key_len); | |
5358 | } | |
5359 | ||
5360 | /* Parse 802.1Q header then encapsulated L3 attributes. */ | |
5361 | static enum odp_key_fitness | |
5362 | parse_8021q_onward(const struct nlattr *attrs[OVS_KEY_ATTR_MAX + 1], | |
5363 | uint64_t present_attrs, int out_of_range_attr, | |
5364 | uint64_t expected_attrs, struct flow *flow, | |
4a221615 GY |
5365 | const struct nlattr *key, size_t key_len, |
5366 | const struct flow *src_flow) | |
b0f7b9b5 BP |
5367 | { |
5368 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); | |
4a221615 | 5369 | bool is_mask = src_flow != flow; |
b0f7b9b5 | 5370 | |
f0fb825a | 5371 | const struct nlattr *encap; |
b0f7b9b5 | 5372 | enum odp_key_fitness encap_fitness; |
f0fb825a EG |
5373 | enum odp_key_fitness fitness = ODP_FIT_ERROR; |
5374 | int encaps = 0; | |
b0f7b9b5 | 5375 | |
f0fb825a EG |
5376 | while (encaps < flow_vlan_limit && |
5377 | (is_mask | |
5378 | ? (src_flow->vlans[encaps].tci & htons(VLAN_CFI)) != 0 | |
5379 | : eth_type_vlan(flow->dl_type))) { | |
5380 | ||
5381 | encap = (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ENCAP) | |
5382 | ? attrs[OVS_KEY_ATTR_ENCAP] : NULL); | |
5383 | ||
5384 | /* Calculate fitness of outer attributes. */ | |
5385 | if (!is_mask) { | |
5386 | expected_attrs |= ((UINT64_C(1) << OVS_KEY_ATTR_VLAN) | | |
5387 | (UINT64_C(1) << OVS_KEY_ATTR_ENCAP)); | |
5388 | } else { | |
5389 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_VLAN)) { | |
5390 | expected_attrs |= (UINT64_C(1) << OVS_KEY_ATTR_VLAN); | |
5391 | } | |
5392 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ENCAP)) { | |
5393 | expected_attrs |= (UINT64_C(1) << OVS_KEY_ATTR_ENCAP); | |
5394 | } | |
4a221615 | 5395 | } |
f0fb825a EG |
5396 | fitness = check_expectations(present_attrs, out_of_range_attr, |
5397 | expected_attrs, key, key_len); | |
5398 | ||
5399 | /* Set vlan_tci. | |
5400 | * Remove the TPID from dl_type since it's not the real Ethertype. */ | |
5401 | flow->vlans[encaps].tpid = flow->dl_type; | |
5402 | flow->dl_type = htons(0); | |
5403 | flow->vlans[encaps].tci = | |
5404 | (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_VLAN) | |
5405 | ? nl_attr_get_be16(attrs[OVS_KEY_ATTR_VLAN]) | |
5406 | : htons(0)); | |
5407 | if (!is_mask) { | |
f889568f | 5408 | if (!(present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_VLAN)) || |
5409 | !(present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ENCAP))) { | |
f0fb825a EG |
5410 | return ODP_FIT_TOO_LITTLE; |
5411 | } else if (flow->vlans[encaps].tci == htons(0)) { | |
5412 | /* Corner case for a truncated 802.1Q header. */ | |
5413 | if (fitness == ODP_FIT_PERFECT && nl_attr_get_size(encap)) { | |
5414 | return ODP_FIT_TOO_MUCH; | |
5415 | } | |
5416 | return fitness; | |
5417 | } else if (!(flow->vlans[encaps].tci & htons(VLAN_CFI))) { | |
5418 | VLOG_ERR_RL(&rl, "OVS_KEY_ATTR_VLAN 0x%04"PRIx16" is nonzero " | |
5419 | "but CFI bit is not set", | |
5420 | ntohs(flow->vlans[encaps].tci)); | |
5421 | return ODP_FIT_ERROR; | |
5422 | } | |
5423 | } else { | |
5424 | if (!(present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ENCAP))) { | |
5425 | return fitness; | |
5426 | } | |
4a221615 | 5427 | } |
b0f7b9b5 | 5428 | |
f0fb825a EG |
5429 | /* Now parse the encapsulated attributes. */ |
5430 | if (!parse_flow_nlattrs(nl_attr_get(encap), nl_attr_get_size(encap), | |
5431 | attrs, &present_attrs, &out_of_range_attr)) { | |
3e634810 BP |
5432 | return ODP_FIT_ERROR; |
5433 | } | |
f0fb825a EG |
5434 | expected_attrs = 0; |
5435 | ||
5436 | if (!parse_ethertype(attrs, present_attrs, &expected_attrs, | |
5437 | flow, src_flow)) { | |
5438 | return ODP_FIT_ERROR; | |
4a221615 | 5439 | } |
4a221615 | 5440 | |
f0fb825a | 5441 | encaps++; |
b0f7b9b5 | 5442 | } |
b0f7b9b5 | 5443 | |
b02475c5 | 5444 | encap_fitness = parse_l2_5_onward(attrs, present_attrs, out_of_range_attr, |
4a221615 GY |
5445 | expected_attrs, flow, key, key_len, |
5446 | src_flow); | |
b0f7b9b5 BP |
5447 | |
5448 | /* The overall fitness is the worse of the outer and inner attributes. */ | |
5449 | return MAX(fitness, encap_fitness); | |
5450 | } | |
5451 | ||
4a221615 GY |
5452 | static enum odp_key_fitness |
5453 | odp_flow_key_to_flow__(const struct nlattr *key, size_t key_len, | |
8d8ab6c2 | 5454 | struct flow *flow, const struct flow *src_flow) |
b0f7b9b5 | 5455 | { |
b0f7b9b5 BP |
5456 | const struct nlattr *attrs[OVS_KEY_ATTR_MAX + 1]; |
5457 | uint64_t expected_attrs; | |
5458 | uint64_t present_attrs; | |
5459 | int out_of_range_attr; | |
4a221615 | 5460 | bool is_mask = src_flow != flow; |
b0f7b9b5 BP |
5461 | |
5462 | memset(flow, 0, sizeof *flow); | |
5463 | ||
5464 | /* Parse attributes. */ | |
5465 | if (!parse_flow_nlattrs(key, key_len, attrs, &present_attrs, | |
5466 | &out_of_range_attr)) { | |
5467 | return ODP_FIT_ERROR; | |
5468 | } | |
5469 | expected_attrs = 0; | |
5470 | ||
5471 | /* Metadata. */ | |
572f732a AZ |
5472 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_RECIRC_ID)) { |
5473 | flow->recirc_id = nl_attr_get_u32(attrs[OVS_KEY_ATTR_RECIRC_ID]); | |
5474 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_RECIRC_ID; | |
5475 | } else if (is_mask) { | |
8c1b077f | 5476 | /* Always exact match recirc_id if it is not specified. */ |
572f732a AZ |
5477 | flow->recirc_id = UINT32_MAX; |
5478 | } | |
5479 | ||
5480 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_DP_HASH)) { | |
5481 | flow->dp_hash = nl_attr_get_u32(attrs[OVS_KEY_ATTR_DP_HASH]); | |
5482 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_DP_HASH; | |
5483 | } | |
b0f7b9b5 | 5484 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_PRIORITY)) { |
deedf7e7 | 5485 | flow->skb_priority = nl_attr_get_u32(attrs[OVS_KEY_ATTR_PRIORITY]); |
b0f7b9b5 BP |
5486 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_PRIORITY; |
5487 | } | |
5488 | ||
72e8bf28 | 5489 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_SKB_MARK)) { |
1362e248 | 5490 | flow->pkt_mark = nl_attr_get_u32(attrs[OVS_KEY_ATTR_SKB_MARK]); |
72e8bf28 AA |
5491 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_SKB_MARK; |
5492 | } | |
5493 | ||
07659514 JS |
5494 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_CT_STATE)) { |
5495 | uint32_t odp_state = nl_attr_get_u32(attrs[OVS_KEY_ATTR_CT_STATE]); | |
5496 | ||
5497 | flow->ct_state = odp_to_ovs_ct_state(odp_state); | |
5498 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_CT_STATE; | |
5499 | } | |
5500 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_CT_ZONE)) { | |
5501 | flow->ct_zone = nl_attr_get_u16(attrs[OVS_KEY_ATTR_CT_ZONE]); | |
5502 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_CT_ZONE; | |
5503 | } | |
8e53fe8c JS |
5504 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_CT_MARK)) { |
5505 | flow->ct_mark = nl_attr_get_u32(attrs[OVS_KEY_ATTR_CT_MARK]); | |
5506 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_CT_MARK; | |
5507 | } | |
9daf2348 | 5508 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_CT_LABELS)) { |
ab79d262 | 5509 | flow->ct_label = nl_attr_get_u128(attrs[OVS_KEY_ATTR_CT_LABELS]); |
9daf2348 JS |
5510 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_CT_LABELS; |
5511 | } | |
daf4d3c1 JR |
5512 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV4)) { |
5513 | const struct ovs_key_ct_tuple_ipv4 *ct = nl_attr_get(attrs[OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV4]); | |
5514 | flow->ct_nw_src = ct->ipv4_src; | |
5515 | flow->ct_nw_dst = ct->ipv4_dst; | |
5516 | flow->ct_nw_proto = ct->ipv4_proto; | |
5517 | flow->ct_tp_src = ct->src_port; | |
5518 | flow->ct_tp_dst = ct->dst_port; | |
5519 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV4; | |
5520 | } | |
5521 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV6)) { | |
5522 | const struct ovs_key_ct_tuple_ipv6 *ct = nl_attr_get(attrs[OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV6]); | |
5523 | ||
5524 | flow->ct_ipv6_src = ct->ipv6_src; | |
5525 | flow->ct_ipv6_dst = ct->ipv6_dst; | |
5526 | flow->ct_nw_proto = ct->ipv6_proto; | |
5527 | flow->ct_tp_src = ct->src_port; | |
5528 | flow->ct_tp_dst = ct->dst_port; | |
5529 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV6; | |
5530 | } | |
07659514 | 5531 | |
9b405f1a PS |
5532 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_TUNNEL)) { |
5533 | enum odp_key_fitness res; | |
05fb0928 | 5534 | |
8d8ab6c2 JG |
5535 | res = odp_tun_key_from_attr__(attrs[OVS_KEY_ATTR_TUNNEL], is_mask, |
5536 | &flow->tunnel); | |
9b405f1a PS |
5537 | if (res == ODP_FIT_ERROR) { |
5538 | return ODP_FIT_ERROR; | |
5539 | } else if (res == ODP_FIT_PERFECT) { | |
5540 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_TUNNEL; | |
05fb0928 JR |
5541 | } |
5542 | } | |
5543 | ||
b0f7b9b5 | 5544 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_IN_PORT)) { |
4e022ec0 AW |
5545 | flow->in_port.odp_port |
5546 | = nl_attr_get_odp_port(attrs[OVS_KEY_ATTR_IN_PORT]); | |
b0f7b9b5 | 5547 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_IN_PORT; |
4a221615 | 5548 | } else if (!is_mask) { |
4e022ec0 | 5549 | flow->in_port.odp_port = ODPP_NONE; |
b0f7b9b5 BP |
5550 | } |
5551 | ||
beb75a40 JS |
5552 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_PACKET_TYPE)) { |
5553 | flow->packet_type | |
5554 | = nl_attr_get_be32(attrs[OVS_KEY_ATTR_PACKET_TYPE]); | |
5555 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_PACKET_TYPE; | |
5556 | } else if (!is_mask) { | |
5557 | flow->packet_type = htonl(PT_ETH); | |
5558 | } | |
5559 | ||
5560 | /* Check for Ethernet header. */ | |
b0f7b9b5 BP |
5561 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ETHERNET)) { |
5562 | const struct ovs_key_ethernet *eth_key; | |
5563 | ||
5564 | eth_key = nl_attr_get(attrs[OVS_KEY_ATTR_ETHERNET]); | |
3cea18ec | 5565 | put_ethernet_key(eth_key, flow); |
beb75a40 JS |
5566 | if (!is_mask) { |
5567 | flow->packet_type = htonl(PT_ETH); | |
4a221615 | 5568 | } |
4a221615 | 5569 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ETHERNET; |
b0f7b9b5 | 5570 | } |
beb75a40 JS |
5571 | else if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ETHERTYPE)) { |
5572 | ovs_be16 ethertype = nl_attr_get_be16(attrs[OVS_KEY_ATTR_ETHERTYPE]); | |
5573 | if (!is_mask) { | |
5574 | flow->packet_type = PACKET_TYPE_BE(OFPHTN_ETHERTYPE, | |
5575 | ntohs(ethertype)); | |
5576 | } | |
5577 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ETHERTYPE; | |
5578 | } | |
b0f7b9b5 BP |
5579 | |
5580 | /* Get Ethertype or 802.1Q TPID or FLOW_DL_TYPE_NONE. */ | |
4a221615 | 5581 | if (!parse_ethertype(attrs, present_attrs, &expected_attrs, flow, |
beb75a40 | 5582 | src_flow)) { |
b0f7b9b5 BP |
5583 | return ODP_FIT_ERROR; |
5584 | } | |
5585 | ||
21e70add | 5586 | if (is_mask |
f0fb825a EG |
5587 | ? (src_flow->vlans[0].tci & htons(VLAN_CFI)) != 0 |
5588 | : eth_type_vlan(src_flow->dl_type)) { | |
b0f7b9b5 | 5589 | return parse_8021q_onward(attrs, present_attrs, out_of_range_attr, |
4a221615 GY |
5590 | expected_attrs, flow, key, key_len, src_flow); |
5591 | } | |
5592 | if (is_mask) { | |
449b8131 | 5593 | /* A missing VLAN mask means exact match on vlan_tci 0 (== no VLAN). */ |
f0fb825a EG |
5594 | flow->vlans[0].tpid = htons(0xffff); |
5595 | flow->vlans[0].tci = htons(0xffff); | |
4a221615 | 5596 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_VLAN)) { |
f0fb825a | 5597 | flow->vlans[0].tci = nl_attr_get_be16(attrs[OVS_KEY_ATTR_VLAN]); |
4a221615 GY |
5598 | expected_attrs |= (UINT64_C(1) << OVS_KEY_ATTR_VLAN); |
5599 | } | |
b0f7b9b5 | 5600 | } |
b02475c5 | 5601 | return parse_l2_5_onward(attrs, present_attrs, out_of_range_attr, |
4a221615 GY |
5602 | expected_attrs, flow, key, key_len, src_flow); |
5603 | } | |
5604 | ||
5605 | /* Converts the 'key_len' bytes of OVS_KEY_ATTR_* attributes in 'key' to a flow | |
5606 | * structure in 'flow'. Returns an ODP_FIT_* value that indicates how well | |
5607 | * 'key' fits our expectations for what a flow key should contain. | |
5608 | * | |
5609 | * The 'in_port' will be the datapath's understanding of the port. The | |
5610 | * caller will need to translate with odp_port_to_ofp_port() if the | |
5611 | * OpenFlow port is needed. | |
5612 | * | |
5613 | * This function doesn't take the packet itself as an argument because none of | |
5614 | * the currently understood OVS_KEY_ATTR_* attributes require it. Currently, | |
5615 | * it is always possible to infer which additional attribute(s) should appear | |
5616 | * by looking at the attributes for lower-level protocols, e.g. if the network | |
5617 | * protocol in OVS_KEY_ATTR_IPV4 or OVS_KEY_ATTR_IPV6 is IPPROTO_TCP then we | |
5618 | * know that a OVS_KEY_ATTR_TCP attribute must appear and that otherwise it | |
5619 | * must be absent. */ | |
5620 | enum odp_key_fitness | |
5621 | odp_flow_key_to_flow(const struct nlattr *key, size_t key_len, | |
5622 | struct flow *flow) | |
5623 | { | |
8d8ab6c2 | 5624 | return odp_flow_key_to_flow__(key, key_len, flow, flow); |
4a221615 GY |
5625 | } |
5626 | ||
8d8ab6c2 JG |
5627 | /* Converts the 'mask_key_len' bytes of OVS_KEY_ATTR_* attributes in 'mask_key' |
5628 | * to a mask structure in 'mask'. 'flow' must be a previously translated flow | |
5629 | * corresponding to 'mask' and similarly flow_key/flow_key_len must be the | |
5630 | * attributes from that flow. Returns an ODP_FIT_* value that indicates how | |
5631 | * well 'key' fits our expectations for what a flow key should contain. */ | |
5632 | enum odp_key_fitness | |
5633 | odp_flow_key_to_mask(const struct nlattr *mask_key, size_t mask_key_len, | |
5634 | struct flow_wildcards *mask, const struct flow *src_flow) | |
ca8d3442 DDP |
5635 | { |
5636 | if (mask_key_len) { | |
5637 | return odp_flow_key_to_flow__(mask_key, mask_key_len, | |
8d8ab6c2 | 5638 | &mask->masks, src_flow); |
ca8d3442 DDP |
5639 | |
5640 | } else { | |
5641 | /* A missing mask means that the flow should be exact matched. | |
5642 | * Generate an appropriate exact wildcard for the flow. */ | |
5643 | flow_wildcards_init_for_packet(mask, src_flow); | |
5644 | ||
5645 | return ODP_FIT_PERFECT; | |
5646 | } | |
5647 | } | |
39db78a0 | 5648 | |
8b668ee3 PB |
5649 | /* Converts the netlink formated key/mask to match. |
5650 | * Fails if odp_flow_key_from_key/mask and odp_flow_key_key/mask | |
5651 | * disagree on the acceptable form of flow */ | |
5652 | int | |
5653 | parse_key_and_mask_to_match(const struct nlattr *key, size_t key_len, | |
5654 | const struct nlattr *mask, size_t mask_len, | |
5655 | struct match *match) | |
5656 | { | |
5657 | enum odp_key_fitness fitness; | |
5658 | ||
5659 | fitness = odp_flow_key_to_flow(key, key_len, &match->flow); | |
5660 | if (fitness) { | |
5661 | /* This should not happen: it indicates that | |
5662 | * odp_flow_key_from_flow() and odp_flow_key_to_flow() disagree on | |
5663 | * the acceptable form of a flow. Log the problem as an error, | |
5664 | * with enough details to enable debugging. */ | |
5665 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); | |
5666 | ||
5667 | if (!VLOG_DROP_ERR(&rl)) { | |
5668 | struct ds s; | |
5669 | ||
5670 | ds_init(&s); | |
5671 | odp_flow_format(key, key_len, NULL, 0, NULL, &s, true); | |
5672 | VLOG_ERR("internal error parsing flow key %s", ds_cstr(&s)); | |
5673 | ds_destroy(&s); | |
5674 | } | |
5675 | ||
5676 | return EINVAL; | |
5677 | } | |
5678 | ||
5679 | fitness = odp_flow_key_to_mask(mask, mask_len, &match->wc, &match->flow); | |
5680 | if (fitness) { | |
5681 | /* This should not happen: it indicates that | |
5682 | * odp_flow_key_from_mask() and odp_flow_key_to_mask() | |
5683 | * disagree on the acceptable form of a mask. Log the problem | |
5684 | * as an error, with enough details to enable debugging. */ | |
5685 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); | |
5686 | ||
5687 | if (!VLOG_DROP_ERR(&rl)) { | |
5688 | struct ds s; | |
5689 | ||
5690 | ds_init(&s); | |
5691 | odp_flow_format(key, key_len, mask, mask_len, NULL, &s, | |
5692 | true); | |
5693 | VLOG_ERR("internal error parsing flow mask %s (%s)", | |
5694 | ds_cstr(&s), odp_key_fitness_to_string(fitness)); | |
5695 | ds_destroy(&s); | |
5696 | } | |
5697 | ||
5698 | return EINVAL; | |
5699 | } | |
5700 | ||
5701 | return 0; | |
5702 | } | |
5703 | ||
6814e51f BP |
5704 | /* Returns 'fitness' as a string, for use in debug messages. */ |
5705 | const char * | |
5706 | odp_key_fitness_to_string(enum odp_key_fitness fitness) | |
5707 | { | |
5708 | switch (fitness) { | |
5709 | case ODP_FIT_PERFECT: | |
5710 | return "OK"; | |
5711 | case ODP_FIT_TOO_MUCH: | |
5712 | return "too_much"; | |
5713 | case ODP_FIT_TOO_LITTLE: | |
5714 | return "too_little"; | |
5715 | case ODP_FIT_ERROR: | |
5716 | return "error"; | |
5717 | default: | |
5718 | return "<unknown>"; | |
5719 | } | |
5720 | } | |
5721 | ||
39db78a0 | 5722 | /* Appends an OVS_ACTION_ATTR_USERSPACE action to 'odp_actions' that specifies |
e995e3df BP |
5723 | * Netlink PID 'pid'. If 'userdata' is nonnull, adds a userdata attribute |
5724 | * whose contents are the 'userdata_size' bytes at 'userdata' and returns the | |
5725 | * offset within 'odp_actions' of the start of the cookie. (If 'userdata' is | |
5726 | * null, then the return value is not meaningful.) */ | |
39db78a0 | 5727 | size_t |
e995e3df BP |
5728 | odp_put_userspace_action(uint32_t pid, |
5729 | const void *userdata, size_t userdata_size, | |
8b7ea2d4 | 5730 | odp_port_t tunnel_out_port, |
7321bda3 | 5731 | bool include_actions, |
39db78a0 BP |
5732 | struct ofpbuf *odp_actions) |
5733 | { | |
e995e3df | 5734 | size_t userdata_ofs; |
39db78a0 BP |
5735 | size_t offset; |
5736 | ||
5737 | offset = nl_msg_start_nested(odp_actions, OVS_ACTION_ATTR_USERSPACE); | |
5738 | nl_msg_put_u32(odp_actions, OVS_USERSPACE_ATTR_PID, pid); | |
e995e3df | 5739 | if (userdata) { |
6fd6ed71 | 5740 | userdata_ofs = odp_actions->size + NLA_HDRLEN; |
96ed775f BP |
5741 | |
5742 | /* The OVS kernel module before OVS 1.11 and the upstream Linux kernel | |
5743 | * module before Linux 3.10 required the userdata to be exactly 8 bytes | |
5744 | * long: | |
5745 | * | |
5746 | * - The kernel rejected shorter userdata with -ERANGE. | |
5747 | * | |
5748 | * - The kernel silently dropped userdata beyond the first 8 bytes. | |
5749 | * | |
5750 | * Thus, for maximum compatibility, always put at least 8 bytes. (We | |
5751 | * separately disable features that required more than 8 bytes.) */ | |
5752 | memcpy(nl_msg_put_unspec_zero(odp_actions, OVS_USERSPACE_ATTR_USERDATA, | |
5753 | MAX(8, userdata_size)), | |
5754 | userdata, userdata_size); | |
e995e3df BP |
5755 | } else { |
5756 | userdata_ofs = 0; | |
39db78a0 | 5757 | } |
8b7ea2d4 WZ |
5758 | if (tunnel_out_port != ODPP_NONE) { |
5759 | nl_msg_put_odp_port(odp_actions, OVS_USERSPACE_ATTR_EGRESS_TUN_PORT, | |
5760 | tunnel_out_port); | |
5761 | } | |
7321bda3 NM |
5762 | if (include_actions) { |
5763 | nl_msg_put_flag(odp_actions, OVS_USERSPACE_ATTR_ACTIONS); | |
5764 | } | |
39db78a0 BP |
5765 | nl_msg_end_nested(odp_actions, offset); |
5766 | ||
e995e3df | 5767 | return userdata_ofs; |
39db78a0 | 5768 | } |
b9ad7294 | 5769 | |
88fc5281 JS |
5770 | void |
5771 | odp_put_pop_eth_action(struct ofpbuf *odp_actions) | |
5772 | { | |
5773 | nl_msg_put_flag(odp_actions, OVS_ACTION_ATTR_POP_ETH); | |
5774 | } | |
5775 | ||
5776 | void | |
5777 | odp_put_push_eth_action(struct ofpbuf *odp_actions, | |
5778 | const struct eth_addr *eth_src, | |
5779 | const struct eth_addr *eth_dst) | |
5780 | { | |
5781 | struct ovs_action_push_eth eth; | |
5782 | ||
5783 | memset(ð, 0, sizeof eth); | |
5784 | if (eth_src) { | |
5785 | eth.addresses.eth_src = *eth_src; | |
5786 | } | |
5787 | if (eth_dst) { | |
5788 | eth.addresses.eth_dst = *eth_dst; | |
5789 | } | |
5790 | ||
5791 | nl_msg_put_unspec(odp_actions, OVS_ACTION_ATTR_PUSH_ETH, | |
5792 | ð, sizeof eth); | |
5793 | } | |
5794 | ||
b9ad7294 EJ |
5795 | void |
5796 | odp_put_tunnel_action(const struct flow_tnl *tunnel, | |
5797 | struct ofpbuf *odp_actions) | |
5798 | { | |
5799 | size_t offset = nl_msg_start_nested(odp_actions, OVS_ACTION_ATTR_SET); | |
ec1f6f32 | 5800 | tun_key_to_attr(odp_actions, tunnel, tunnel, NULL); |
b9ad7294 EJ |
5801 | nl_msg_end_nested(odp_actions, offset); |
5802 | } | |
a36de779 PS |
5803 | |
5804 | void | |
5805 | odp_put_tnl_push_action(struct ofpbuf *odp_actions, | |
5806 | struct ovs_action_push_tnl *data) | |
5807 | { | |
5808 | int size = offsetof(struct ovs_action_push_tnl, header); | |
5809 | ||
5810 | size += data->header_len; | |
5811 | nl_msg_put_unspec(odp_actions, OVS_ACTION_ATTR_TUNNEL_PUSH, data, size); | |
5812 | } | |
5813 | ||
5bbda0aa EJ |
5814 | \f |
5815 | /* The commit_odp_actions() function and its helpers. */ | |
5816 | ||
5817 | static void | |
5818 | commit_set_action(struct ofpbuf *odp_actions, enum ovs_key_attr key_type, | |
5819 | const void *key, size_t key_size) | |
5820 | { | |
5821 | size_t offset = nl_msg_start_nested(odp_actions, OVS_ACTION_ATTR_SET); | |
5822 | nl_msg_put_unspec(odp_actions, key_type, key, key_size); | |
5823 | nl_msg_end_nested(odp_actions, offset); | |
5824 | } | |
5825 | ||
6d670e7f JR |
5826 | /* Masked set actions have a mask following the data within the netlink |
5827 | * attribute. The unmasked bits in the data will be cleared as the data | |
5828 | * is copied to the action. */ | |
5829 | void | |
5830 | commit_masked_set_action(struct ofpbuf *odp_actions, | |
5831 | enum ovs_key_attr key_type, | |
5832 | const void *key_, const void *mask_, size_t key_size) | |
5833 | { | |
5834 | size_t offset = nl_msg_start_nested(odp_actions, | |
5835 | OVS_ACTION_ATTR_SET_MASKED); | |
5836 | char *data = nl_msg_put_unspec_uninit(odp_actions, key_type, key_size * 2); | |
5837 | const char *key = key_, *mask = mask_; | |
5838 | ||
5839 | memcpy(data + key_size, mask, key_size); | |
5840 | /* Clear unmasked bits while copying. */ | |
5841 | while (key_size--) { | |
5842 | *data++ = *key++ & *mask++; | |
5843 | } | |
5844 | nl_msg_end_nested(odp_actions, offset); | |
5845 | } | |
5846 | ||
b9ad7294 EJ |
5847 | /* If any of the flow key data that ODP actions can modify are different in |
5848 | * 'base->tunnel' and 'flow->tunnel', appends a set_tunnel ODP action to | |
5849 | * 'odp_actions' that change the flow tunneling information in key from | |
5850 | * 'base->tunnel' into 'flow->tunnel', and then changes 'base->tunnel' in the | |
5851 | * same way. In other words, operates the same as commit_odp_actions(), but | |
5852 | * only on tunneling information. */ | |
5853 | void | |
5854 | commit_odp_tunnel_action(const struct flow *flow, struct flow *base, | |
5bbda0aa EJ |
5855 | struct ofpbuf *odp_actions) |
5856 | { | |
ffe4c74f JB |
5857 | /* A valid IPV4_TUNNEL must have non-zero ip_dst; a valid IPv6 tunnel |
5858 | * must have non-zero ipv6_dst. */ | |
5859 | if (flow_tnl_dst_is_set(&flow->tunnel)) { | |
fc80de30 JR |
5860 | if (!memcmp(&base->tunnel, &flow->tunnel, sizeof base->tunnel)) { |
5861 | return; | |
5862 | } | |
5863 | memcpy(&base->tunnel, &flow->tunnel, sizeof base->tunnel); | |
b9ad7294 | 5864 | odp_put_tunnel_action(&base->tunnel, odp_actions); |
05fb0928 | 5865 | } |
5bbda0aa EJ |
5866 | } |
5867 | ||
d23df9a8 JR |
5868 | static bool |
5869 | commit(enum ovs_key_attr attr, bool use_masked_set, | |
5870 | const void *key, void *base, void *mask, size_t size, | |
5871 | struct ofpbuf *odp_actions) | |
5bbda0aa | 5872 | { |
d23df9a8 JR |
5873 | if (memcmp(key, base, size)) { |
5874 | bool fully_masked = odp_mask_is_exact(attr, mask, size); | |
5bbda0aa | 5875 | |
d23df9a8 JR |
5876 | if (use_masked_set && !fully_masked) { |
5877 | commit_masked_set_action(odp_actions, attr, key, mask, size); | |
5878 | } else { | |
5879 | if (!fully_masked) { | |
5880 | memset(mask, 0xff, size); | |
5881 | } | |
5882 | commit_set_action(odp_actions, attr, key, size); | |
5883 | } | |
5884 | memcpy(base, key, size); | |
5885 | return true; | |
5886 | } else { | |
5887 | /* Mask bits are set when we have either read or set the corresponding | |
5888 | * values. Masked bits will be exact-matched, no need to set them | |
5889 | * if the value did not actually change. */ | |
5890 | return false; | |
5bbda0aa | 5891 | } |
d23df9a8 | 5892 | } |
5bbda0aa | 5893 | |
d23df9a8 JR |
5894 | static void |
5895 | get_ethernet_key(const struct flow *flow, struct ovs_key_ethernet *eth) | |
5896 | { | |
74ff3298 JR |
5897 | eth->eth_src = flow->dl_src; |
5898 | eth->eth_dst = flow->dl_dst; | |
d23df9a8 | 5899 | } |
1dd35f8a | 5900 | |
d23df9a8 JR |
5901 | static void |
5902 | put_ethernet_key(const struct ovs_key_ethernet *eth, struct flow *flow) | |
5903 | { | |
74ff3298 JR |
5904 | flow->dl_src = eth->eth_src; |
5905 | flow->dl_dst = eth->eth_dst; | |
d23df9a8 | 5906 | } |
5bbda0aa | 5907 | |
d23df9a8 JR |
5908 | static void |
5909 | commit_set_ether_addr_action(const struct flow *flow, struct flow *base_flow, | |
5910 | struct ofpbuf *odp_actions, | |
5911 | struct flow_wildcards *wc, | |
5912 | bool use_masked) | |
5913 | { | |
5914 | struct ovs_key_ethernet key, base, mask; | |
5bbda0aa | 5915 | |
d23df9a8 JR |
5916 | get_ethernet_key(flow, &key); |
5917 | get_ethernet_key(base_flow, &base); | |
5918 | get_ethernet_key(&wc->masks, &mask); | |
5919 | ||
5920 | if (commit(OVS_KEY_ATTR_ETHERNET, use_masked, | |
5921 | &key, &base, &mask, sizeof key, odp_actions)) { | |
5922 | put_ethernet_key(&base, base_flow); | |
5923 | put_ethernet_key(&mask, &wc->masks); | |
5924 | } | |
5bbda0aa EJ |
5925 | } |
5926 | ||
beb75a40 JS |
5927 | static void |
5928 | commit_ether_action(const struct flow *flow, struct flow *base_flow, | |
5929 | struct ofpbuf *odp_actions, struct flow_wildcards *wc, | |
5930 | bool use_masked) | |
5931 | { | |
5932 | if (flow->packet_type == htonl(PT_ETH)) { | |
5933 | if (base_flow->packet_type != htonl(PT_ETH)) { | |
5934 | odp_put_push_eth_action(odp_actions, &flow->dl_src, &flow->dl_dst); | |
5935 | base_flow->packet_type = flow->packet_type; | |
5936 | base_flow->dl_src = flow->dl_src; | |
5937 | base_flow->dl_dst = flow->dl_dst; | |
5938 | } else { | |
5939 | commit_set_ether_addr_action(flow, base_flow, odp_actions, wc, | |
5940 | use_masked); | |
5941 | } | |
5942 | } else { | |
5943 | if (base_flow->packet_type == htonl(PT_ETH)) { | |
5944 | odp_put_pop_eth_action(odp_actions); | |
5945 | base_flow->packet_type = flow->packet_type; | |
5946 | } | |
5947 | } | |
5948 | } | |
5949 | ||
5bbda0aa | 5950 | static void |
f0fb825a EG |
5951 | commit_vlan_action(const struct flow* flow, struct flow *base, |
5952 | struct ofpbuf *odp_actions, struct flow_wildcards *wc) | |
5bbda0aa | 5953 | { |
f0fb825a EG |
5954 | int base_n = flow_count_vlan_headers(base); |
5955 | int flow_n = flow_count_vlan_headers(flow); | |
5956 | flow_skip_common_vlan_headers(base, &base_n, flow, &flow_n); | |
1dd35f8a | 5957 | |
f0fb825a EG |
5958 | /* Pop all mismatching vlan of base, push those of flow */ |
5959 | for (; base_n >= 0; base_n--) { | |
5bbda0aa | 5960 | nl_msg_put_flag(odp_actions, OVS_ACTION_ATTR_POP_VLAN); |
f0fb825a | 5961 | wc->masks.vlans[base_n].qtag = OVS_BE32_MAX; |
5bbda0aa EJ |
5962 | } |
5963 | ||
f0fb825a | 5964 | for (; flow_n >= 0; flow_n--) { |
5bbda0aa EJ |
5965 | struct ovs_action_push_vlan vlan; |
5966 | ||
f0fb825a EG |
5967 | vlan.vlan_tpid = flow->vlans[flow_n].tpid; |
5968 | vlan.vlan_tci = flow->vlans[flow_n].tci; | |
5bbda0aa EJ |
5969 | nl_msg_put_unspec(odp_actions, OVS_ACTION_ATTR_PUSH_VLAN, |
5970 | &vlan, sizeof vlan); | |
5971 | } | |
f0fb825a | 5972 | memcpy(base->vlans, flow->vlans, sizeof(base->vlans)); |
5bbda0aa EJ |
5973 | } |
5974 | ||
22d38fca | 5975 | /* Wildcarding already done at action translation time. */ |
b02475c5 SH |
5976 | static void |
5977 | commit_mpls_action(const struct flow *flow, struct flow *base, | |
22d38fca | 5978 | struct ofpbuf *odp_actions) |
b02475c5 | 5979 | { |
22d38fca JR |
5980 | int base_n = flow_count_mpls_labels(base, NULL); |
5981 | int flow_n = flow_count_mpls_labels(flow, NULL); | |
8bfd0fda | 5982 | int common_n = flow_count_common_mpls_labels(flow, flow_n, base, base_n, |
22d38fca | 5983 | NULL); |
8bfd0fda BP |
5984 | |
5985 | while (base_n > common_n) { | |
5986 | if (base_n - 1 == common_n && flow_n > common_n) { | |
5987 | /* If there is only one more LSE in base than there are common | |
5988 | * between base and flow; and flow has at least one more LSE than | |
5989 | * is common then the topmost LSE of base may be updated using | |
5990 | * set */ | |
5991 | struct ovs_key_mpls mpls_key; | |
5992 | ||
5993 | mpls_key.mpls_lse = flow->mpls_lse[flow_n - base_n]; | |
5994 | commit_set_action(odp_actions, OVS_KEY_ATTR_MPLS, | |
5995 | &mpls_key, sizeof mpls_key); | |
5996 | flow_set_mpls_lse(base, 0, mpls_key.mpls_lse); | |
5997 | common_n++; | |
5998 | } else { | |
5999 | /* Otherwise, if there more LSEs in base than are common between | |
6000 | * base and flow then pop the topmost one. */ | |
6001 | ovs_be16 dl_type; | |
6002 | bool popped; | |
6003 | ||
6004 | /* If all the LSEs are to be popped and this is not the outermost | |
6005 | * LSE then use ETH_TYPE_MPLS as the ethertype parameter of the | |
6006 | * POP_MPLS action instead of flow->dl_type. | |
6007 | * | |
6008 | * This is because the POP_MPLS action requires its ethertype | |
6009 | * argument to be an MPLS ethernet type but in this case | |
6010 | * flow->dl_type will be a non-MPLS ethernet type. | |
6011 | * | |
6012 | * When the final POP_MPLS action occurs it use flow->dl_type and | |
6013 | * the and the resulting packet will have the desired dl_type. */ | |
6014 | if ((!eth_type_mpls(flow->dl_type)) && base_n > 1) { | |
6015 | dl_type = htons(ETH_TYPE_MPLS); | |
6016 | } else { | |
6017 | dl_type = flow->dl_type; | |
6018 | } | |
6019 | nl_msg_put_be16(odp_actions, OVS_ACTION_ATTR_POP_MPLS, dl_type); | |
22d38fca | 6020 | popped = flow_pop_mpls(base, base_n, flow->dl_type, NULL); |
8bfd0fda BP |
6021 | ovs_assert(popped); |
6022 | base_n--; | |
6023 | } | |
b02475c5 SH |
6024 | } |
6025 | ||
8bfd0fda BP |
6026 | /* If, after the above popping and setting, there are more LSEs in flow |
6027 | * than base then some LSEs need to be pushed. */ | |
6028 | while (base_n < flow_n) { | |
b02475c5 SH |
6029 | struct ovs_action_push_mpls *mpls; |
6030 | ||
8bfd0fda BP |
6031 | mpls = nl_msg_put_unspec_zero(odp_actions, |
6032 | OVS_ACTION_ATTR_PUSH_MPLS, | |
9ddf12cc | 6033 | sizeof *mpls); |
b02475c5 | 6034 | mpls->mpls_ethertype = flow->dl_type; |
8bfd0fda | 6035 | mpls->mpls_lse = flow->mpls_lse[flow_n - base_n - 1]; |
742c0ac3 JR |
6036 | /* Update base flow's MPLS stack, but do not clear L3. We need the L3 |
6037 | * headers if the flow is restored later due to returning from a patch | |
6038 | * port or group bucket. */ | |
6039 | flow_push_mpls(base, base_n, mpls->mpls_ethertype, NULL, false); | |
8bfd0fda BP |
6040 | flow_set_mpls_lse(base, 0, mpls->mpls_lse); |
6041 | base_n++; | |
b0a17866 | 6042 | } |
b02475c5 SH |
6043 | } |
6044 | ||
5bbda0aa | 6045 | static void |
3cea18ec | 6046 | get_ipv4_key(const struct flow *flow, struct ovs_key_ipv4 *ipv4, bool is_mask) |
5bbda0aa | 6047 | { |
d23df9a8 JR |
6048 | ipv4->ipv4_src = flow->nw_src; |
6049 | ipv4->ipv4_dst = flow->nw_dst; | |
6050 | ipv4->ipv4_proto = flow->nw_proto; | |
6051 | ipv4->ipv4_tos = flow->nw_tos; | |
6052 | ipv4->ipv4_ttl = flow->nw_ttl; | |
3cea18ec | 6053 | ipv4->ipv4_frag = ovs_to_odp_frag(flow->nw_frag, is_mask); |
d23df9a8 | 6054 | } |
5bbda0aa | 6055 | |
d23df9a8 | 6056 | static void |
3cea18ec | 6057 | put_ipv4_key(const struct ovs_key_ipv4 *ipv4, struct flow *flow, bool is_mask) |
d23df9a8 JR |
6058 | { |
6059 | flow->nw_src = ipv4->ipv4_src; | |
6060 | flow->nw_dst = ipv4->ipv4_dst; | |
6061 | flow->nw_proto = ipv4->ipv4_proto; | |
6062 | flow->nw_tos = ipv4->ipv4_tos; | |
6063 | flow->nw_ttl = ipv4->ipv4_ttl; | |
3cea18ec | 6064 | flow->nw_frag = odp_to_ovs_frag(ipv4->ipv4_frag, is_mask); |
d23df9a8 JR |
6065 | } |
6066 | ||
6067 | static void | |
6068 | commit_set_ipv4_action(const struct flow *flow, struct flow *base_flow, | |
6069 | struct ofpbuf *odp_actions, struct flow_wildcards *wc, | |
6070 | bool use_masked) | |
6071 | { | |
6072 | struct ovs_key_ipv4 key, mask, base; | |
5bbda0aa | 6073 | |
d23df9a8 JR |
6074 | /* Check that nw_proto and nw_frag remain unchanged. */ |
6075 | ovs_assert(flow->nw_proto == base_flow->nw_proto && | |
6076 | flow->nw_frag == base_flow->nw_frag); | |
1dd35f8a | 6077 | |
3cea18ec JR |
6078 | get_ipv4_key(flow, &key, false); |
6079 | get_ipv4_key(base_flow, &base, false); | |
6080 | get_ipv4_key(&wc->masks, &mask, true); | |
d23df9a8 JR |
6081 | mask.ipv4_proto = 0; /* Not writeable. */ |
6082 | mask.ipv4_frag = 0; /* Not writable. */ | |
5bbda0aa | 6083 | |
d23df9a8 JR |
6084 | if (commit(OVS_KEY_ATTR_IPV4, use_masked, &key, &base, &mask, sizeof key, |
6085 | odp_actions)) { | |
3cea18ec | 6086 | put_ipv4_key(&base, base_flow, false); |
d23df9a8 | 6087 | if (mask.ipv4_proto != 0) { /* Mask was changed by commit(). */ |
3cea18ec | 6088 | put_ipv4_key(&mask, &wc->masks, true); |
d23df9a8 JR |
6089 | } |
6090 | } | |
5bbda0aa EJ |
6091 | } |
6092 | ||
c4f2731d | 6093 | static void |
3cea18ec | 6094 | get_ipv6_key(const struct flow *flow, struct ovs_key_ipv6 *ipv6, bool is_mask) |
c4f2731d | 6095 | { |
932c96b7 JR |
6096 | ipv6->ipv6_src = flow->ipv6_src; |
6097 | ipv6->ipv6_dst = flow->ipv6_dst; | |
d23df9a8 JR |
6098 | ipv6->ipv6_label = flow->ipv6_label; |
6099 | ipv6->ipv6_proto = flow->nw_proto; | |
6100 | ipv6->ipv6_tclass = flow->nw_tos; | |
6101 | ipv6->ipv6_hlimit = flow->nw_ttl; | |
3cea18ec | 6102 | ipv6->ipv6_frag = ovs_to_odp_frag(flow->nw_frag, is_mask); |
d23df9a8 | 6103 | } |
c4f2731d | 6104 | |
d23df9a8 | 6105 | static void |
3cea18ec | 6106 | put_ipv6_key(const struct ovs_key_ipv6 *ipv6, struct flow *flow, bool is_mask) |
d23df9a8 | 6107 | { |
932c96b7 JR |
6108 | flow->ipv6_src = ipv6->ipv6_src; |
6109 | flow->ipv6_dst = ipv6->ipv6_dst; | |
d23df9a8 JR |
6110 | flow->ipv6_label = ipv6->ipv6_label; |
6111 | flow->nw_proto = ipv6->ipv6_proto; | |
6112 | flow->nw_tos = ipv6->ipv6_tclass; | |
6113 | flow->nw_ttl = ipv6->ipv6_hlimit; | |
3cea18ec | 6114 | flow->nw_frag = odp_to_ovs_frag(ipv6->ipv6_frag, is_mask); |
d23df9a8 | 6115 | } |
c4f2731d | 6116 | |
d23df9a8 JR |
6117 | static void |
6118 | commit_set_ipv6_action(const struct flow *flow, struct flow *base_flow, | |
6119 | struct ofpbuf *odp_actions, struct flow_wildcards *wc, | |
6120 | bool use_masked) | |
6121 | { | |
6122 | struct ovs_key_ipv6 key, mask, base; | |
1dd35f8a | 6123 | |
d23df9a8 JR |
6124 | /* Check that nw_proto and nw_frag remain unchanged. */ |
6125 | ovs_assert(flow->nw_proto == base_flow->nw_proto && | |
6126 | flow->nw_frag == base_flow->nw_frag); | |
c4f2731d | 6127 | |
3cea18ec JR |
6128 | get_ipv6_key(flow, &key, false); |
6129 | get_ipv6_key(base_flow, &base, false); | |
6130 | get_ipv6_key(&wc->masks, &mask, true); | |
d23df9a8 JR |
6131 | mask.ipv6_proto = 0; /* Not writeable. */ |
6132 | mask.ipv6_frag = 0; /* Not writable. */ | |
c4f2731d | 6133 | |
d23df9a8 JR |
6134 | if (commit(OVS_KEY_ATTR_IPV6, use_masked, &key, &base, &mask, sizeof key, |
6135 | odp_actions)) { | |
3cea18ec | 6136 | put_ipv6_key(&base, base_flow, false); |
d23df9a8 | 6137 | if (mask.ipv6_proto != 0) { /* Mask was changed by commit(). */ |
3cea18ec | 6138 | put_ipv6_key(&mask, &wc->masks, true); |
d23df9a8 JR |
6139 | } |
6140 | } | |
c4f2731d PS |
6141 | } |
6142 | ||
d23df9a8 JR |
6143 | static void |
6144 | get_arp_key(const struct flow *flow, struct ovs_key_arp *arp) | |
f6c8a6b1 | 6145 | { |
d23df9a8 JR |
6146 | /* ARP key has padding, clear it. */ |
6147 | memset(arp, 0, sizeof *arp); | |
f6c8a6b1 | 6148 | |
d23df9a8 JR |
6149 | arp->arp_sip = flow->nw_src; |
6150 | arp->arp_tip = flow->nw_dst; | |
6151 | arp->arp_op = htons(flow->nw_proto); | |
74ff3298 JR |
6152 | arp->arp_sha = flow->arp_sha; |
6153 | arp->arp_tha = flow->arp_tha; | |
d23df9a8 | 6154 | } |
f6c8a6b1 | 6155 | |
d23df9a8 JR |
6156 | static void |
6157 | put_arp_key(const struct ovs_key_arp *arp, struct flow *flow) | |
6158 | { | |
6159 | flow->nw_src = arp->arp_sip; | |
6160 | flow->nw_dst = arp->arp_tip; | |
6161 | flow->nw_proto = ntohs(arp->arp_op); | |
74ff3298 JR |
6162 | flow->arp_sha = arp->arp_sha; |
6163 | flow->arp_tha = arp->arp_tha; | |
d23df9a8 | 6164 | } |
f6c8a6b1 | 6165 | |
d23df9a8 JR |
6166 | static enum slow_path_reason |
6167 | commit_set_arp_action(const struct flow *flow, struct flow *base_flow, | |
6168 | struct ofpbuf *odp_actions, struct flow_wildcards *wc) | |
6169 | { | |
6170 | struct ovs_key_arp key, mask, base; | |
f6c8a6b1 | 6171 | |
d23df9a8 JR |
6172 | get_arp_key(flow, &key); |
6173 | get_arp_key(base_flow, &base); | |
6174 | get_arp_key(&wc->masks, &mask); | |
f6c8a6b1 | 6175 | |
d23df9a8 JR |
6176 | if (commit(OVS_KEY_ATTR_ARP, true, &key, &base, &mask, sizeof key, |
6177 | odp_actions)) { | |
6178 | put_arp_key(&base, base_flow); | |
6179 | put_arp_key(&mask, &wc->masks); | |
6180 | return SLOW_ACTION; | |
6181 | } | |
6182 | return 0; | |
f6c8a6b1 BP |
6183 | } |
6184 | ||
f6ecf944 JP |
6185 | static void |
6186 | get_icmp_key(const struct flow *flow, struct ovs_key_icmp *icmp) | |
6187 | { | |
6188 | /* icmp_type and icmp_code are stored in tp_src and tp_dst, respectively */ | |
6189 | icmp->icmp_type = ntohs(flow->tp_src); | |
6190 | icmp->icmp_code = ntohs(flow->tp_dst); | |
6191 | } | |
6192 | ||
6193 | static void | |
6194 | put_icmp_key(const struct ovs_key_icmp *icmp, struct flow *flow) | |
6195 | { | |
6196 | /* icmp_type and icmp_code are stored in tp_src and tp_dst, respectively */ | |
6197 | flow->tp_src = htons(icmp->icmp_type); | |
6198 | flow->tp_dst = htons(icmp->icmp_code); | |
6199 | } | |
6200 | ||
6201 | static enum slow_path_reason | |
6202 | commit_set_icmp_action(const struct flow *flow, struct flow *base_flow, | |
6203 | struct ofpbuf *odp_actions, struct flow_wildcards *wc) | |
6204 | { | |
6205 | struct ovs_key_icmp key, mask, base; | |
6206 | enum ovs_key_attr attr; | |
6207 | ||
a75636c8 | 6208 | if (is_icmpv4(flow, NULL)) { |
efa6665e | 6209 | attr = OVS_KEY_ATTR_ICMP; |
a75636c8 | 6210 | } else if (is_icmpv6(flow, NULL)) { |
efa6665e DDP |
6211 | attr = OVS_KEY_ATTR_ICMPV6; |
6212 | } else { | |
6213 | return 0; | |
6214 | } | |
6215 | ||
f6ecf944 JP |
6216 | get_icmp_key(flow, &key); |
6217 | get_icmp_key(base_flow, &base); | |
6218 | get_icmp_key(&wc->masks, &mask); | |
6219 | ||
f6ecf944 JP |
6220 | if (commit(attr, false, &key, &base, &mask, sizeof key, odp_actions)) { |
6221 | put_icmp_key(&base, base_flow); | |
6222 | put_icmp_key(&mask, &wc->masks); | |
6223 | return SLOW_ACTION; | |
6224 | } | |
6225 | return 0; | |
6226 | } | |
6227 | ||
e60e935b SRCSA |
6228 | static void |
6229 | get_nd_key(const struct flow *flow, struct ovs_key_nd *nd) | |
6230 | { | |
932c96b7 | 6231 | nd->nd_target = flow->nd_target; |
e60e935b | 6232 | /* nd_sll and nd_tll are stored in arp_sha and arp_tha, respectively */ |
74ff3298 JR |
6233 | nd->nd_sll = flow->arp_sha; |
6234 | nd->nd_tll = flow->arp_tha; | |
e60e935b SRCSA |
6235 | } |
6236 | ||
6237 | static void | |
6238 | put_nd_key(const struct ovs_key_nd *nd, struct flow *flow) | |
6239 | { | |
932c96b7 | 6240 | flow->nd_target = nd->nd_target; |
e60e935b | 6241 | /* nd_sll and nd_tll are stored in arp_sha and arp_tha, respectively */ |
74ff3298 JR |
6242 | flow->arp_sha = nd->nd_sll; |
6243 | flow->arp_tha = nd->nd_tll; | |
e60e935b SRCSA |
6244 | } |
6245 | ||
6246 | static enum slow_path_reason | |
6247 | commit_set_nd_action(const struct flow *flow, struct flow *base_flow, | |
6248 | struct ofpbuf *odp_actions, | |
6249 | struct flow_wildcards *wc, bool use_masked) | |
6250 | { | |
6251 | struct ovs_key_nd key, mask, base; | |
6252 | ||
6253 | get_nd_key(flow, &key); | |
6254 | get_nd_key(base_flow, &base); | |
6255 | get_nd_key(&wc->masks, &mask); | |
6256 | ||
6257 | if (commit(OVS_KEY_ATTR_ND, use_masked, &key, &base, &mask, sizeof key, | |
6258 | odp_actions)) { | |
6259 | put_nd_key(&base, base_flow); | |
6260 | put_nd_key(&mask, &wc->masks); | |
6261 | return SLOW_ACTION; | |
6262 | } | |
6263 | ||
6264 | return 0; | |
6265 | } | |
6266 | ||
f6c8a6b1 | 6267 | static enum slow_path_reason |
c4f2731d | 6268 | commit_set_nw_action(const struct flow *flow, struct flow *base, |
d23df9a8 JR |
6269 | struct ofpbuf *odp_actions, struct flow_wildcards *wc, |
6270 | bool use_masked) | |
c4f2731d | 6271 | { |
f6c8a6b1 | 6272 | /* Check if 'flow' really has an L3 header. */ |
c4f2731d | 6273 | if (!flow->nw_proto) { |
f6c8a6b1 | 6274 | return 0; |
c4f2731d PS |
6275 | } |
6276 | ||
f6c8a6b1 BP |
6277 | switch (ntohs(base->dl_type)) { |
6278 | case ETH_TYPE_IP: | |
d23df9a8 | 6279 | commit_set_ipv4_action(flow, base, odp_actions, wc, use_masked); |
f6c8a6b1 BP |
6280 | break; |
6281 | ||
6282 | case ETH_TYPE_IPV6: | |
d23df9a8 | 6283 | commit_set_ipv6_action(flow, base, odp_actions, wc, use_masked); |
e60e935b | 6284 | return commit_set_nd_action(flow, base, odp_actions, wc, use_masked); |
f6c8a6b1 BP |
6285 | |
6286 | case ETH_TYPE_ARP: | |
6287 | return commit_set_arp_action(flow, base, odp_actions, wc); | |
c4f2731d | 6288 | } |
f6c8a6b1 BP |
6289 | |
6290 | return 0; | |
c4f2731d PS |
6291 | } |
6292 | ||
d23df9a8 JR |
6293 | /* TCP, UDP, and SCTP keys have the same layout. */ |
6294 | BUILD_ASSERT_DECL(sizeof(struct ovs_key_tcp) == sizeof(struct ovs_key_udp) && | |
6295 | sizeof(struct ovs_key_tcp) == sizeof(struct ovs_key_sctp)); | |
6296 | ||
5bbda0aa | 6297 | static void |
3cea18ec | 6298 | get_tp_key(const struct flow *flow, union ovs_key_tp *tp) |
5bbda0aa | 6299 | { |
3cea18ec JR |
6300 | tp->tcp.tcp_src = flow->tp_src; |
6301 | tp->tcp.tcp_dst = flow->tp_dst; | |
d23df9a8 JR |
6302 | } |
6303 | ||
6304 | static void | |
3cea18ec | 6305 | put_tp_key(const union ovs_key_tp *tp, struct flow *flow) |
d23df9a8 | 6306 | { |
3cea18ec JR |
6307 | flow->tp_src = tp->tcp.tcp_src; |
6308 | flow->tp_dst = tp->tcp.tcp_dst; | |
d23df9a8 JR |
6309 | } |
6310 | ||
6311 | static void | |
6312 | commit_set_port_action(const struct flow *flow, struct flow *base_flow, | |
6313 | struct ofpbuf *odp_actions, struct flow_wildcards *wc, | |
6314 | bool use_masked) | |
6315 | { | |
6316 | enum ovs_key_attr key_type; | |
3cea18ec | 6317 | union ovs_key_tp key, mask, base; |
d23df9a8 | 6318 | |
791a09be SH |
6319 | /* Check if 'flow' really has an L3 header. */ |
6320 | if (!flow->nw_proto) { | |
6321 | return; | |
6322 | } | |
6323 | ||
d23df9a8 | 6324 | if (!is_ip_any(base_flow)) { |
5bbda0aa EJ |
6325 | return; |
6326 | } | |
6327 | ||
5bbda0aa | 6328 | if (flow->nw_proto == IPPROTO_TCP) { |
d23df9a8 | 6329 | key_type = OVS_KEY_ATTR_TCP; |
5bbda0aa | 6330 | } else if (flow->nw_proto == IPPROTO_UDP) { |
d23df9a8 | 6331 | key_type = OVS_KEY_ATTR_UDP; |
c6bcb685 | 6332 | } else if (flow->nw_proto == IPPROTO_SCTP) { |
d23df9a8 JR |
6333 | key_type = OVS_KEY_ATTR_SCTP; |
6334 | } else { | |
6335 | return; | |
6336 | } | |
c6bcb685 | 6337 | |
d23df9a8 JR |
6338 | get_tp_key(flow, &key); |
6339 | get_tp_key(base_flow, &base); | |
6340 | get_tp_key(&wc->masks, &mask); | |
c6bcb685 | 6341 | |
d23df9a8 JR |
6342 | if (commit(key_type, use_masked, &key, &base, &mask, sizeof key, |
6343 | odp_actions)) { | |
6344 | put_tp_key(&base, base_flow); | |
6345 | put_tp_key(&mask, &wc->masks); | |
5bbda0aa EJ |
6346 | } |
6347 | } | |
6348 | ||
6349 | static void | |
d23df9a8 | 6350 | commit_set_priority_action(const struct flow *flow, struct flow *base_flow, |
1dd35f8a | 6351 | struct ofpbuf *odp_actions, |
d23df9a8 JR |
6352 | struct flow_wildcards *wc, |
6353 | bool use_masked) | |
5bbda0aa | 6354 | { |
d23df9a8 | 6355 | uint32_t key, mask, base; |
1dd35f8a | 6356 | |
d23df9a8 JR |
6357 | key = flow->skb_priority; |
6358 | base = base_flow->skb_priority; | |
6359 | mask = wc->masks.skb_priority; | |
5bbda0aa | 6360 | |
d23df9a8 JR |
6361 | if (commit(OVS_KEY_ATTR_PRIORITY, use_masked, &key, &base, &mask, |
6362 | sizeof key, odp_actions)) { | |
6363 | base_flow->skb_priority = base; | |
6364 | wc->masks.skb_priority = mask; | |
6365 | } | |
5bbda0aa EJ |
6366 | } |
6367 | ||
72e8bf28 | 6368 | static void |
d23df9a8 | 6369 | commit_set_pkt_mark_action(const struct flow *flow, struct flow *base_flow, |
1dd35f8a | 6370 | struct ofpbuf *odp_actions, |
d23df9a8 JR |
6371 | struct flow_wildcards *wc, |
6372 | bool use_masked) | |
72e8bf28 | 6373 | { |
d23df9a8 | 6374 | uint32_t key, mask, base; |
1dd35f8a | 6375 | |
d23df9a8 JR |
6376 | key = flow->pkt_mark; |
6377 | base = base_flow->pkt_mark; | |
6378 | mask = wc->masks.pkt_mark; | |
72e8bf28 | 6379 | |
d23df9a8 JR |
6380 | if (commit(OVS_KEY_ATTR_SKB_MARK, use_masked, &key, &base, &mask, |
6381 | sizeof key, odp_actions)) { | |
6382 | base_flow->pkt_mark = base; | |
6383 | wc->masks.pkt_mark = mask; | |
6384 | } | |
72e8bf28 | 6385 | } |
7fd91025 | 6386 | |
5bbda0aa EJ |
6387 | /* If any of the flow key data that ODP actions can modify are different in |
6388 | * 'base' and 'flow', appends ODP actions to 'odp_actions' that change the flow | |
b9ad7294 EJ |
6389 | * key from 'base' into 'flow', and then changes 'base' the same way. Does not |
6390 | * commit set_tunnel actions. Users should call commit_odp_tunnel_action() | |
1dd35f8a | 6391 | * in addition to this function if needed. Sets fields in 'wc' that are |
7fd91025 BP |
6392 | * used as part of the action. |
6393 | * | |
6394 | * Returns a reason to force processing the flow's packets into the userspace | |
6395 | * slow path, if there is one, otherwise 0. */ | |
6396 | enum slow_path_reason | |
5bbda0aa | 6397 | commit_odp_actions(const struct flow *flow, struct flow *base, |
d23df9a8 JR |
6398 | struct ofpbuf *odp_actions, struct flow_wildcards *wc, |
6399 | bool use_masked) | |
5bbda0aa | 6400 | { |
f6ecf944 | 6401 | enum slow_path_reason slow1, slow2; |
742c0ac3 | 6402 | bool mpls_done = false; |
f6c8a6b1 | 6403 | |
beb75a40 | 6404 | commit_ether_action(flow, base, odp_actions, wc, use_masked); |
742c0ac3 JR |
6405 | /* Make packet a non-MPLS packet before committing L3/4 actions, |
6406 | * which would otherwise do nothing. */ | |
6407 | if (eth_type_mpls(base->dl_type) && !eth_type_mpls(flow->dl_type)) { | |
6408 | commit_mpls_action(flow, base, odp_actions); | |
6409 | mpls_done = true; | |
6410 | } | |
f6ecf944 | 6411 | slow1 = commit_set_nw_action(flow, base, odp_actions, wc, use_masked); |
d23df9a8 | 6412 | commit_set_port_action(flow, base, odp_actions, wc, use_masked); |
f6ecf944 | 6413 | slow2 = commit_set_icmp_action(flow, base, odp_actions, wc); |
742c0ac3 JR |
6414 | if (!mpls_done) { |
6415 | commit_mpls_action(flow, base, odp_actions); | |
6416 | } | |
f0fb825a | 6417 | commit_vlan_action(flow, base, odp_actions, wc); |
d23df9a8 JR |
6418 | commit_set_priority_action(flow, base, odp_actions, wc, use_masked); |
6419 | commit_set_pkt_mark_action(flow, base, odp_actions, wc, use_masked); | |
7fd91025 | 6420 | |
f6ecf944 | 6421 | return slow1 ? slow1 : slow2; |
5bbda0aa | 6422 | } |