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Commit | Line | Data |
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30eb304e JP |
1 | /* |
2 | * f_flower.c Flower Classifier | |
3 | * | |
4 | * This program is free software; you can distribute it and/or | |
5 | * modify it under the terms of the GNU General Public License | |
6 | * as published by the Free Software Foundation; either version | |
7 | * 2 of the License, or (at your option) any later version. | |
8 | * | |
9 | * Authors: Jiri Pirko <jiri@resnulli.us> | |
10 | */ | |
11 | ||
12 | #include <stdio.h> | |
13 | #include <stdlib.h> | |
14 | #include <unistd.h> | |
15 | #include <syslog.h> | |
16 | #include <string.h> | |
17 | #include <net/if.h> | |
f888f4e2 | 18 | #include <linux/if_arp.h> |
30eb304e JP |
19 | #include <linux/if_ether.h> |
20 | #include <linux/ip.h> | |
745d9172 | 21 | #include <linux/tc_act/tc_vlan.h> |
30eb304e JP |
22 | |
23 | #include "utils.h" | |
24 | #include "tc_util.h" | |
25 | #include "rt_names.h" | |
26 | ||
08f66c80 PB |
27 | enum flower_matching_flags { |
28 | FLOWER_IP_FLAGS, | |
29 | }; | |
30 | ||
6910d656 SH |
31 | enum flower_endpoint { |
32 | FLOWER_ENDPOINT_SRC, | |
33 | FLOWER_ENDPOINT_DST | |
34 | }; | |
35 | ||
eb3b5696 SH |
36 | enum flower_icmp_field { |
37 | FLOWER_ICMP_FIELD_TYPE, | |
38 | FLOWER_ICMP_FIELD_CODE | |
39 | }; | |
40 | ||
30eb304e JP |
41 | static void explain(void) |
42 | { | |
512caeb2 SH |
43 | fprintf(stderr, |
44 | "Usage: ... flower [ MATCH-LIST ]\n" | |
45 | " [ skip_sw | skip_hw ]\n" | |
46 | " [ action ACTION-SPEC ] [ classid CLASSID ]\n" | |
47 | "\n" | |
48 | "Where: MATCH-LIST := [ MATCH-LIST ] MATCH\n" | |
49 | " MATCH := { indev DEV-NAME |\n" | |
50 | " vlan_id VID |\n" | |
51 | " vlan_prio PRIORITY |\n" | |
52 | " vlan_ethtype [ ipv4 | ipv6 | ETH-TYPE ] |\n" | |
c2078f8d SH |
53 | " dst_mac MASKED-LLADDR |\n" |
54 | " src_mac MASKED-LLADDR |\n" | |
eb3b5696 | 55 | " ip_proto [tcp | udp | sctp | icmp | icmpv6 | IP-PROTO ] |\n" |
b2a1f740 SH |
56 | " dst_ip PREFIX |\n" |
57 | " src_ip PREFIX |\n" | |
512caeb2 | 58 | " dst_port PORT-NUMBER |\n" |
bb9b63b1 | 59 | " src_port PORT-NUMBER |\n" |
6374961a SH |
60 | " type MASKED-ICMP-TYPE |\n" |
61 | " code MASKED-ICMP-CODE |\n" | |
c7ec052b SH |
62 | " arp_tip IPV4-PREFIX |\n" |
63 | " arp_sip IPV4-PREFIX |\n" | |
f888f4e2 SH |
64 | " arp_op [ request | reply | OP ] |\n" |
65 | " arp_tha MASKED-LLADDR |\n" | |
66 | " arp_sha MASKED-LLADDR |\n" | |
10da5528 SH |
67 | " enc_dst_ip [ IPV4-ADDR | IPV6-ADDR ] |\n" |
68 | " enc_src_ip [ IPV4-ADDR | IPV6-ADDR ] |\n" | |
bf73c650 | 69 | " enc_key_id [ KEY-ID ] |\n" |
08f66c80 | 70 | " ip_flags IP-FLAGS | \n" |
a5ae170e | 71 | " enc_dst_port [ port_number ] }\n" |
512caeb2 | 72 | " FILTERID := X:Y:Z\n" |
c2078f8d | 73 | " MASKED_LLADDR := { LLADDR | LLADDR/MASK | LLADDR/BITS }\n" |
512caeb2 SH |
74 | " ACTION-SPEC := ... look at individual actions\n" |
75 | "\n" | |
328374dc | 76 | "NOTE: CLASSID, IP-PROTO are parsed as hexadecimal input.\n" |
512caeb2 SH |
77 | "NOTE: There can be only used one mask per one prio. If user needs\n" |
78 | " to specify different mask, he has to use different prio.\n"); | |
30eb304e JP |
79 | } |
80 | ||
81 | static int flower_parse_eth_addr(char *str, int addr_type, int mask_type, | |
82 | struct nlmsghdr *n) | |
83 | { | |
c2078f8d SH |
84 | int ret, err = -1; |
85 | char addr[ETH_ALEN], *slash; | |
86 | ||
87 | slash = strchr(str, '/'); | |
88 | if (slash) | |
89 | *slash = '\0'; | |
30eb304e JP |
90 | |
91 | ret = ll_addr_a2n(addr, sizeof(addr), str); | |
92 | if (ret < 0) | |
c2078f8d | 93 | goto err; |
30eb304e | 94 | addattr_l(n, MAX_MSG, addr_type, addr, sizeof(addr)); |
c2078f8d SH |
95 | |
96 | if (slash) { | |
97 | unsigned bits; | |
98 | ||
99 | if (!get_unsigned(&bits, slash + 1, 10)) { | |
100 | uint64_t mask; | |
101 | ||
102 | /* Extra 16 bit shift to push mac address into | |
103 | * high bits of uint64_t | |
104 | */ | |
105 | mask = htonll(0xffffffffffffULL << (16 + 48 - bits)); | |
106 | memcpy(addr, &mask, ETH_ALEN); | |
107 | } else { | |
108 | ret = ll_addr_a2n(addr, sizeof(addr), slash + 1); | |
109 | if (ret < 0) | |
110 | goto err; | |
111 | } | |
112 | } else { | |
113 | memset(addr, 0xff, ETH_ALEN); | |
114 | } | |
30eb304e | 115 | addattr_l(n, MAX_MSG, mask_type, addr, sizeof(addr)); |
c2078f8d SH |
116 | |
117 | err = 0; | |
118 | err: | |
119 | if (slash) | |
120 | *slash = '/'; | |
121 | return err; | |
30eb304e JP |
122 | } |
123 | ||
745d9172 | 124 | static int flower_parse_vlan_eth_type(char *str, __be16 eth_type, int type, |
512caeb2 SH |
125 | __be16 *p_vlan_eth_type, |
126 | struct nlmsghdr *n) | |
745d9172 HHZ |
127 | { |
128 | __be16 vlan_eth_type; | |
129 | ||
130 | if (eth_type != htons(ETH_P_8021Q)) { | |
512caeb2 SH |
131 | fprintf(stderr, |
132 | "Can't set \"vlan_ethtype\" if ethertype isn't 802.1Q\n"); | |
745d9172 HHZ |
133 | return -1; |
134 | } | |
135 | ||
136 | if (ll_proto_a2n(&vlan_eth_type, str)) | |
137 | invarg("invalid vlan_ethtype", str); | |
138 | addattr16(n, MAX_MSG, type, vlan_eth_type); | |
139 | *p_vlan_eth_type = vlan_eth_type; | |
140 | return 0; | |
141 | } | |
142 | ||
08f66c80 PB |
143 | struct flag_to_string { |
144 | int flag; | |
145 | enum flower_matching_flags type; | |
146 | char *string; | |
147 | }; | |
22a8f019 | 148 | |
08f66c80 PB |
149 | static struct flag_to_string flags_str[] = { |
150 | { TCA_FLOWER_KEY_FLAGS_IS_FRAGMENT, FLOWER_IP_FLAGS, "frag" }, | |
151 | }; | |
22a8f019 | 152 | |
08f66c80 PB |
153 | static int flower_parse_matching_flags(char *str, |
154 | enum flower_matching_flags type, | |
155 | __u32 *mtf, __u32 *mtf_mask) | |
156 | { | |
157 | char *token; | |
158 | bool no; | |
159 | bool found; | |
160 | int i; | |
22a8f019 | 161 | |
08f66c80 PB |
162 | token = strtok(str, "/"); |
163 | ||
164 | while (token) { | |
165 | if (!strncmp(token, "no", 2)) { | |
166 | no = true; | |
167 | token += 2; | |
168 | } else | |
169 | no = false; | |
170 | ||
171 | found = false; | |
172 | for (i = 0; i < ARRAY_SIZE(flags_str); i++) { | |
173 | if (type != flags_str[i].type) | |
174 | continue; | |
175 | ||
176 | if (!strcmp(token, flags_str[i].string)) { | |
177 | if (no) | |
178 | *mtf &= ~flags_str[i].flag; | |
179 | else | |
180 | *mtf |= flags_str[i].flag; | |
181 | ||
182 | *mtf_mask |= flags_str[i].flag; | |
183 | found = true; | |
184 | break; | |
185 | } | |
186 | } | |
187 | if (!found) | |
22a8f019 | 188 | return -1; |
08f66c80 PB |
189 | |
190 | token = strtok(NULL, "/"); | |
22a8f019 PB |
191 | } |
192 | ||
22a8f019 PB |
193 | return 0; |
194 | } | |
195 | ||
30eb304e JP |
196 | static int flower_parse_ip_proto(char *str, __be16 eth_type, int type, |
197 | __u8 *p_ip_proto, struct nlmsghdr *n) | |
198 | { | |
199 | int ret; | |
200 | __u8 ip_proto; | |
201 | ||
eb3b5696 SH |
202 | if (eth_type != htons(ETH_P_IP) && eth_type != htons(ETH_P_IPV6)) |
203 | goto err; | |
204 | ||
30eb304e JP |
205 | if (matches(str, "tcp") == 0) { |
206 | ip_proto = IPPROTO_TCP; | |
207 | } else if (matches(str, "udp") == 0) { | |
208 | ip_proto = IPPROTO_UDP; | |
a1fb0d48 SH |
209 | } else if (matches(str, "sctp") == 0) { |
210 | ip_proto = IPPROTO_SCTP; | |
eb3b5696 SH |
211 | } else if (matches(str, "icmp") == 0) { |
212 | if (eth_type != htons(ETH_P_IP)) | |
213 | goto err; | |
214 | ip_proto = IPPROTO_ICMP; | |
215 | } else if (matches(str, "icmpv6") == 0) { | |
216 | if (eth_type != htons(ETH_P_IPV6)) | |
217 | goto err; | |
218 | ip_proto = IPPROTO_ICMPV6; | |
30eb304e JP |
219 | } else { |
220 | ret = get_u8(&ip_proto, str, 16); | |
221 | if (ret) | |
222 | return -1; | |
223 | } | |
224 | addattr8(n, MAX_MSG, type, ip_proto); | |
225 | *p_ip_proto = ip_proto; | |
226 | return 0; | |
eb3b5696 SH |
227 | |
228 | err: | |
229 | fprintf(stderr, "Illegal \"eth_type\" for ip proto\n"); | |
230 | return -1; | |
30eb304e JP |
231 | } |
232 | ||
f888f4e2 SH |
233 | static int __flower_parse_ip_addr(char *str, int family, |
234 | int addr4_type, int mask4_type, | |
235 | int addr6_type, int mask6_type, | |
236 | struct nlmsghdr *n) | |
30eb304e JP |
237 | { |
238 | int ret; | |
239 | inet_prefix addr; | |
30eb304e JP |
240 | int bits; |
241 | int i; | |
242 | ||
30eb304e JP |
243 | ret = get_prefix(&addr, str, family); |
244 | if (ret) | |
245 | return -1; | |
246 | ||
bb9b63b1 AV |
247 | if (family && (addr.family != family)) { |
248 | fprintf(stderr, "Illegal \"eth_type\" for ip address\n"); | |
30eb304e | 249 | return -1; |
bb9b63b1 | 250 | } |
30eb304e JP |
251 | |
252 | addattr_l(n, MAX_MSG, addr.family == AF_INET ? addr4_type : addr6_type, | |
253 | addr.data, addr.bytelen); | |
254 | ||
255 | memset(addr.data, 0xff, addr.bytelen); | |
256 | bits = addr.bitlen; | |
257 | for (i = 0; i < addr.bytelen / 4; i++) { | |
258 | if (!bits) { | |
259 | addr.data[i] = 0; | |
260 | } else if (bits / 32 >= 1) { | |
261 | bits -= 32; | |
262 | } else { | |
263 | addr.data[i] <<= 32 - bits; | |
264 | addr.data[i] = htonl(addr.data[i]); | |
265 | bits = 0; | |
266 | } | |
267 | } | |
268 | ||
269 | addattr_l(n, MAX_MSG, addr.family == AF_INET ? mask4_type : mask6_type, | |
270 | addr.data, addr.bytelen); | |
271 | ||
272 | return 0; | |
273 | } | |
274 | ||
f888f4e2 SH |
275 | static int flower_parse_ip_addr(char *str, __be16 eth_type, |
276 | int addr4_type, int mask4_type, | |
277 | int addr6_type, int mask6_type, | |
278 | struct nlmsghdr *n) | |
279 | { | |
280 | int family; | |
281 | ||
282 | if (eth_type == htons(ETH_P_IP)) { | |
283 | family = AF_INET; | |
284 | } else if (eth_type == htons(ETH_P_IPV6)) { | |
285 | family = AF_INET6; | |
286 | } else if (!eth_type) { | |
287 | family = AF_UNSPEC; | |
288 | } else { | |
289 | return -1; | |
290 | } | |
291 | ||
164a9ff4 RD |
292 | return __flower_parse_ip_addr(str, family, addr4_type, mask4_type, |
293 | addr6_type, mask6_type, n); | |
f888f4e2 SH |
294 | } |
295 | ||
296 | static bool flower_eth_type_arp(__be16 eth_type) | |
297 | { | |
298 | return eth_type == htons(ETH_P_ARP) || eth_type == htons(ETH_P_RARP); | |
299 | } | |
300 | ||
301 | static int flower_parse_arp_ip_addr(char *str, __be16 eth_type, | |
302 | int addr_type, int mask_type, | |
303 | struct nlmsghdr *n) | |
304 | { | |
305 | if (!flower_eth_type_arp(eth_type)) | |
306 | return -1; | |
307 | ||
308 | return __flower_parse_ip_addr(str, AF_INET, addr_type, mask_type, | |
309 | TCA_FLOWER_UNSPEC, TCA_FLOWER_UNSPEC, n); | |
310 | } | |
311 | ||
180136e5 SH |
312 | static int flower_parse_u8(char *str, int value_type, int mask_type, |
313 | int (*value_from_name)(const char *str, | |
314 | __u8 *value), | |
315 | bool (*value_validate)(__u8 value), | |
316 | struct nlmsghdr *n) | |
f888f4e2 SH |
317 | { |
318 | char *slash; | |
319 | int ret, err = -1; | |
180136e5 | 320 | __u8 value, mask; |
f888f4e2 SH |
321 | |
322 | slash = strchr(str, '/'); | |
323 | if (slash) | |
324 | *slash = '\0'; | |
325 | ||
180136e5 SH |
326 | ret = value_from_name ? value_from_name(str, &value) : -1; |
327 | if (ret < 0) { | |
f888f4e2 SH |
328 | ret = get_u8(&value, str, 10); |
329 | if (ret) | |
330 | goto err; | |
f888f4e2 SH |
331 | } |
332 | ||
180136e5 SH |
333 | if (value_validate && !value_validate(value)) |
334 | goto err; | |
335 | ||
f888f4e2 SH |
336 | if (slash) { |
337 | ret = get_u8(&mask, slash + 1, 10); | |
338 | if (ret) | |
339 | goto err; | |
340 | } | |
341 | else { | |
342 | mask = UINT8_MAX; | |
343 | } | |
344 | ||
180136e5 | 345 | addattr8(n, MAX_MSG, value_type, value); |
f888f4e2 SH |
346 | addattr8(n, MAX_MSG, mask_type, mask); |
347 | ||
348 | err = 0; | |
349 | err: | |
350 | if (slash) | |
351 | *slash = '/'; | |
352 | return err; | |
353 | } | |
354 | ||
9d36e54f SH |
355 | static const char *flower_print_arp_op_to_name(__u8 op) |
356 | { | |
357 | switch (op) { | |
358 | case ARPOP_REQUEST: | |
359 | return "request"; | |
360 | case ARPOP_REPLY: | |
361 | return "reply"; | |
362 | default: | |
363 | return NULL; | |
364 | } | |
365 | } | |
366 | ||
180136e5 SH |
367 | static int flower_arp_op_from_name(const char *name, __u8 *op) |
368 | { | |
369 | if (!strcmp(name, "request")) | |
370 | *op = ARPOP_REQUEST; | |
371 | else if (!strcmp(name, "reply")) | |
372 | *op = ARPOP_REPLY; | |
373 | else | |
374 | return -1; | |
375 | ||
376 | return 0; | |
377 | } | |
378 | ||
379 | static bool flow_arp_op_validate(__u8 op) | |
380 | { | |
381 | return !op || op == ARPOP_REQUEST || op == ARPOP_REPLY; | |
382 | } | |
383 | ||
384 | static int flower_parse_arp_op(char *str, __be16 eth_type, | |
385 | int op_type, int mask_type, | |
386 | struct nlmsghdr *n) | |
387 | { | |
388 | if (!flower_eth_type_arp(eth_type)) | |
389 | return -1; | |
390 | ||
391 | return flower_parse_u8(str, op_type, mask_type, flower_arp_op_from_name, | |
392 | flow_arp_op_validate, n); | |
393 | } | |
394 | ||
eb3b5696 SH |
395 | static int flower_icmp_attr_type(__be16 eth_type, __u8 ip_proto, |
396 | enum flower_icmp_field field) | |
397 | { | |
398 | if (eth_type == htons(ETH_P_IP) && ip_proto == IPPROTO_ICMP) | |
399 | return field == FLOWER_ICMP_FIELD_CODE ? | |
400 | TCA_FLOWER_KEY_ICMPV4_CODE : | |
401 | TCA_FLOWER_KEY_ICMPV4_TYPE; | |
402 | else if (eth_type == htons(ETH_P_IPV6) && ip_proto == IPPROTO_ICMPV6) | |
403 | return field == FLOWER_ICMP_FIELD_CODE ? | |
404 | TCA_FLOWER_KEY_ICMPV6_CODE : | |
405 | TCA_FLOWER_KEY_ICMPV6_TYPE; | |
406 | ||
407 | return -1; | |
408 | } | |
409 | ||
6374961a SH |
410 | static int flower_icmp_attr_mask_type(__be16 eth_type, __u8 ip_proto, |
411 | enum flower_icmp_field field) | |
412 | { | |
413 | if (eth_type == htons(ETH_P_IP) && ip_proto == IPPROTO_ICMP) | |
414 | return field == FLOWER_ICMP_FIELD_CODE ? | |
415 | TCA_FLOWER_KEY_ICMPV4_CODE_MASK : | |
416 | TCA_FLOWER_KEY_ICMPV4_TYPE_MASK; | |
417 | else if (eth_type == htons(ETH_P_IPV6) && ip_proto == IPPROTO_ICMPV6) | |
418 | return field == FLOWER_ICMP_FIELD_CODE ? | |
419 | TCA_FLOWER_KEY_ICMPV6_CODE_MASK : | |
420 | TCA_FLOWER_KEY_ICMPV6_TYPE_MASK; | |
421 | ||
422 | return -1; | |
423 | } | |
424 | ||
eb3b5696 SH |
425 | static int flower_parse_icmp(char *str, __u16 eth_type, __u8 ip_proto, |
426 | enum flower_icmp_field field, struct nlmsghdr *n) | |
427 | { | |
6374961a | 428 | int value_type, mask_type; |
eb3b5696 | 429 | |
6374961a SH |
430 | value_type = flower_icmp_attr_type(eth_type, ip_proto, field); |
431 | mask_type = flower_icmp_attr_mask_type(eth_type, ip_proto, field); | |
432 | if (value_type < 0 || mask_type < 0) | |
eb3b5696 SH |
433 | return -1; |
434 | ||
6374961a | 435 | return flower_parse_u8(str, value_type, mask_type, NULL, NULL, n); |
eb3b5696 SH |
436 | } |
437 | ||
6910d656 | 438 | static int flower_port_attr_type(__u8 ip_proto, enum flower_endpoint endpoint) |
30eb304e | 439 | { |
6bd5b80c | 440 | if (ip_proto == IPPROTO_TCP) |
6910d656 SH |
441 | return endpoint == FLOWER_ENDPOINT_SRC ? |
442 | TCA_FLOWER_KEY_TCP_SRC : | |
a1fb0d48 | 443 | TCA_FLOWER_KEY_TCP_DST; |
6bd5b80c | 444 | else if (ip_proto == IPPROTO_UDP) |
6910d656 SH |
445 | return endpoint == FLOWER_ENDPOINT_SRC ? |
446 | TCA_FLOWER_KEY_UDP_SRC : | |
a1fb0d48 | 447 | TCA_FLOWER_KEY_UDP_DST; |
6bd5b80c | 448 | else if (ip_proto == IPPROTO_SCTP) |
6910d656 SH |
449 | return endpoint == FLOWER_ENDPOINT_SRC ? |
450 | TCA_FLOWER_KEY_SCTP_SRC : | |
a1fb0d48 | 451 | TCA_FLOWER_KEY_SCTP_DST; |
6bd5b80c | 452 | else |
30eb304e | 453 | return -1; |
a1fb0d48 SH |
454 | } |
455 | ||
6910d656 SH |
456 | static int flower_parse_port(char *str, __u8 ip_proto, |
457 | enum flower_endpoint endpoint, | |
a1fb0d48 SH |
458 | struct nlmsghdr *n) |
459 | { | |
460 | int ret; | |
461 | int type; | |
462 | __be16 port; | |
463 | ||
6910d656 | 464 | type = flower_port_attr_type(ip_proto, endpoint); |
a1fb0d48 SH |
465 | if (type < 0) |
466 | return -1; | |
30eb304e | 467 | |
9f7401fa | 468 | ret = get_be16(&port, str, 10); |
30eb304e JP |
469 | if (ret) |
470 | return -1; | |
471 | ||
9f7401fa | 472 | addattr16(n, MAX_MSG, type, port); |
30eb304e JP |
473 | |
474 | return 0; | |
475 | } | |
476 | ||
bb9b63b1 AV |
477 | static int flower_parse_key_id(const char *str, int type, struct nlmsghdr *n) |
478 | { | |
479 | int ret; | |
480 | __be32 key_id; | |
481 | ||
482 | ret = get_be32(&key_id, str, 10); | |
483 | if (!ret) | |
484 | addattr32(n, MAX_MSG, type, key_id); | |
485 | ||
486 | return ret; | |
487 | } | |
488 | ||
41aa17ff HHZ |
489 | static int flower_parse_enc_port(char *str, int type, struct nlmsghdr *n) |
490 | { | |
491 | int ret; | |
492 | __be16 port; | |
493 | ||
494 | ret = get_be16(&port, str, 10); | |
495 | if (ret) | |
496 | return -1; | |
497 | ||
498 | addattr16(n, MAX_MSG, type, port); | |
499 | ||
500 | return 0; | |
501 | } | |
502 | ||
30eb304e JP |
503 | static int flower_parse_opt(struct filter_util *qu, char *handle, |
504 | int argc, char **argv, struct nlmsghdr *n) | |
505 | { | |
506 | int ret; | |
507 | struct tcmsg *t = NLMSG_DATA(n); | |
508 | struct rtattr *tail; | |
488b41d0 | 509 | __be16 eth_type = TC_H_MIN(t->tcm_info); |
745d9172 | 510 | __be16 vlan_ethtype = 0; |
30eb304e | 511 | __u8 ip_proto = 0xff; |
cfcabf18 | 512 | __u32 flags = 0; |
08f66c80 PB |
513 | __u32 mtf = 0; |
514 | __u32 mtf_mask = 0; | |
30eb304e | 515 | |
30eb304e JP |
516 | if (handle) { |
517 | ret = get_u32(&t->tcm_handle, handle, 0); | |
518 | if (ret) { | |
519 | fprintf(stderr, "Illegal \"handle\"\n"); | |
520 | return -1; | |
521 | } | |
522 | } | |
523 | ||
524 | tail = (struct rtattr *) (((void *) n) + NLMSG_ALIGN(n->nlmsg_len)); | |
525 | addattr_l(n, MAX_MSG, TCA_OPTIONS, NULL, 0); | |
526 | ||
488b41d0 JHS |
527 | if (argc == 0) { |
528 | /*at minimal we will match all ethertype packets */ | |
529 | goto parse_done; | |
530 | } | |
531 | ||
30eb304e JP |
532 | while (argc > 0) { |
533 | if (matches(*argv, "classid") == 0 || | |
534 | matches(*argv, "flowid") == 0) { | |
32a121cb | 535 | unsigned int handle; |
30eb304e JP |
536 | |
537 | NEXT_ARG(); | |
538 | ret = get_tc_classid(&handle, *argv); | |
539 | if (ret) { | |
540 | fprintf(stderr, "Illegal \"classid\"\n"); | |
541 | return -1; | |
542 | } | |
543 | addattr_l(n, MAX_MSG, TCA_FLOWER_CLASSID, &handle, 4); | |
08f66c80 | 544 | } else if (matches(*argv, "ip_flags") == 0) { |
22a8f019 PB |
545 | NEXT_ARG(); |
546 | ret = flower_parse_matching_flags(*argv, | |
08f66c80 PB |
547 | FLOWER_IP_FLAGS, |
548 | &mtf, | |
549 | &mtf_mask); | |
22a8f019 | 550 | if (ret < 0) { |
08f66c80 | 551 | fprintf(stderr, "Illegal \"ip_flags\"\n"); |
22a8f019 PB |
552 | return -1; |
553 | } | |
cfcabf18 AV |
554 | } else if (matches(*argv, "skip_hw") == 0) { |
555 | flags |= TCA_CLS_FLAGS_SKIP_HW; | |
556 | } else if (matches(*argv, "skip_sw") == 0) { | |
557 | flags |= TCA_CLS_FLAGS_SKIP_SW; | |
30eb304e | 558 | } else if (matches(*argv, "indev") == 0) { |
d17b136f | 559 | char ifname[IFNAMSIZ] = {}; |
30eb304e JP |
560 | |
561 | NEXT_ARG(); | |
30eb304e JP |
562 | strncpy(ifname, *argv, sizeof(ifname) - 1); |
563 | addattrstrz(n, MAX_MSG, TCA_FLOWER_INDEV, ifname); | |
745d9172 HHZ |
564 | } else if (matches(*argv, "vlan_id") == 0) { |
565 | __u16 vid; | |
566 | ||
567 | NEXT_ARG(); | |
568 | if (eth_type != htons(ETH_P_8021Q)) { | |
512caeb2 SH |
569 | fprintf(stderr, |
570 | "Can't set \"vlan_id\" if ethertype isn't 802.1Q\n"); | |
745d9172 HHZ |
571 | return -1; |
572 | } | |
573 | ret = get_u16(&vid, *argv, 10); | |
574 | if (ret < 0 || vid & ~0xfff) { | |
575 | fprintf(stderr, "Illegal \"vlan_id\"\n"); | |
576 | return -1; | |
577 | } | |
578 | addattr16(n, MAX_MSG, TCA_FLOWER_KEY_VLAN_ID, vid); | |
579 | } else if (matches(*argv, "vlan_prio") == 0) { | |
580 | __u8 vlan_prio; | |
581 | ||
582 | NEXT_ARG(); | |
583 | if (eth_type != htons(ETH_P_8021Q)) { | |
512caeb2 SH |
584 | fprintf(stderr, |
585 | "Can't set \"vlan_prio\" if ethertype isn't 802.1Q\n"); | |
745d9172 HHZ |
586 | return -1; |
587 | } | |
588 | ret = get_u8(&vlan_prio, *argv, 10); | |
589 | if (ret < 0 || vlan_prio & ~0x7) { | |
590 | fprintf(stderr, "Illegal \"vlan_prio\"\n"); | |
591 | return -1; | |
592 | } | |
512caeb2 SH |
593 | addattr8(n, MAX_MSG, |
594 | TCA_FLOWER_KEY_VLAN_PRIO, vlan_prio); | |
745d9172 HHZ |
595 | } else if (matches(*argv, "vlan_ethtype") == 0) { |
596 | NEXT_ARG(); | |
597 | ret = flower_parse_vlan_eth_type(*argv, eth_type, | |
512caeb2 SH |
598 | TCA_FLOWER_KEY_VLAN_ETH_TYPE, |
599 | &vlan_ethtype, n); | |
745d9172 HHZ |
600 | if (ret < 0) |
601 | return -1; | |
30eb304e JP |
602 | } else if (matches(*argv, "dst_mac") == 0) { |
603 | NEXT_ARG(); | |
604 | ret = flower_parse_eth_addr(*argv, | |
605 | TCA_FLOWER_KEY_ETH_DST, | |
606 | TCA_FLOWER_KEY_ETH_DST_MASK, | |
607 | n); | |
608 | if (ret < 0) { | |
609 | fprintf(stderr, "Illegal \"dst_mac\"\n"); | |
610 | return -1; | |
611 | } | |
612 | } else if (matches(*argv, "src_mac") == 0) { | |
613 | NEXT_ARG(); | |
614 | ret = flower_parse_eth_addr(*argv, | |
615 | TCA_FLOWER_KEY_ETH_SRC, | |
616 | TCA_FLOWER_KEY_ETH_SRC_MASK, | |
617 | n); | |
618 | if (ret < 0) { | |
619 | fprintf(stderr, "Illegal \"src_mac\"\n"); | |
620 | return -1; | |
621 | } | |
30eb304e JP |
622 | } else if (matches(*argv, "ip_proto") == 0) { |
623 | NEXT_ARG(); | |
745d9172 HHZ |
624 | ret = flower_parse_ip_proto(*argv, vlan_ethtype ? |
625 | vlan_ethtype : eth_type, | |
30eb304e JP |
626 | TCA_FLOWER_KEY_IP_PROTO, |
627 | &ip_proto, n); | |
628 | if (ret < 0) { | |
629 | fprintf(stderr, "Illegal \"ip_proto\"\n"); | |
630 | return -1; | |
631 | } | |
632 | } else if (matches(*argv, "dst_ip") == 0) { | |
633 | NEXT_ARG(); | |
745d9172 HHZ |
634 | ret = flower_parse_ip_addr(*argv, vlan_ethtype ? |
635 | vlan_ethtype : eth_type, | |
30eb304e JP |
636 | TCA_FLOWER_KEY_IPV4_DST, |
637 | TCA_FLOWER_KEY_IPV4_DST_MASK, | |
638 | TCA_FLOWER_KEY_IPV6_DST, | |
639 | TCA_FLOWER_KEY_IPV6_DST_MASK, | |
640 | n); | |
641 | if (ret < 0) { | |
642 | fprintf(stderr, "Illegal \"dst_ip\"\n"); | |
643 | return -1; | |
644 | } | |
645 | } else if (matches(*argv, "src_ip") == 0) { | |
646 | NEXT_ARG(); | |
745d9172 HHZ |
647 | ret = flower_parse_ip_addr(*argv, vlan_ethtype ? |
648 | vlan_ethtype : eth_type, | |
30eb304e JP |
649 | TCA_FLOWER_KEY_IPV4_SRC, |
650 | TCA_FLOWER_KEY_IPV4_SRC_MASK, | |
651 | TCA_FLOWER_KEY_IPV6_SRC, | |
652 | TCA_FLOWER_KEY_IPV6_SRC_MASK, | |
653 | n); | |
654 | if (ret < 0) { | |
655 | fprintf(stderr, "Illegal \"src_ip\"\n"); | |
656 | return -1; | |
657 | } | |
658 | } else if (matches(*argv, "dst_port") == 0) { | |
659 | NEXT_ARG(); | |
6910d656 SH |
660 | ret = flower_parse_port(*argv, ip_proto, |
661 | FLOWER_ENDPOINT_DST, n); | |
30eb304e JP |
662 | if (ret < 0) { |
663 | fprintf(stderr, "Illegal \"dst_port\"\n"); | |
664 | return -1; | |
665 | } | |
666 | } else if (matches(*argv, "src_port") == 0) { | |
667 | NEXT_ARG(); | |
6910d656 SH |
668 | ret = flower_parse_port(*argv, ip_proto, |
669 | FLOWER_ENDPOINT_SRC, n); | |
30eb304e JP |
670 | if (ret < 0) { |
671 | fprintf(stderr, "Illegal \"src_port\"\n"); | |
672 | return -1; | |
673 | } | |
eb3b5696 SH |
674 | } else if (matches(*argv, "type") == 0) { |
675 | NEXT_ARG(); | |
676 | ret = flower_parse_icmp(*argv, eth_type, ip_proto, | |
677 | FLOWER_ICMP_FIELD_TYPE, n); | |
678 | if (ret < 0) { | |
679 | fprintf(stderr, "Illegal \"icmp type\"\n"); | |
680 | return -1; | |
681 | } | |
682 | } else if (matches(*argv, "code") == 0) { | |
683 | NEXT_ARG(); | |
684 | ret = flower_parse_icmp(*argv, eth_type, ip_proto, | |
685 | FLOWER_ICMP_FIELD_CODE, n); | |
686 | if (ret < 0) { | |
687 | fprintf(stderr, "Illegal \"icmp code\"\n"); | |
688 | return -1; | |
689 | } | |
f888f4e2 SH |
690 | } else if (matches(*argv, "arp_tip") == 0) { |
691 | NEXT_ARG(); | |
692 | ret = flower_parse_arp_ip_addr(*argv, vlan_ethtype ? | |
693 | vlan_ethtype : eth_type, | |
694 | TCA_FLOWER_KEY_ARP_TIP, | |
695 | TCA_FLOWER_KEY_ARP_TIP_MASK, | |
696 | n); | |
697 | if (ret < 0) { | |
698 | fprintf(stderr, "Illegal \"arp_tip\"\n"); | |
699 | return -1; | |
700 | } | |
701 | } else if (matches(*argv, "arp_sip") == 0) { | |
702 | NEXT_ARG(); | |
703 | ret = flower_parse_arp_ip_addr(*argv, vlan_ethtype ? | |
704 | vlan_ethtype : eth_type, | |
705 | TCA_FLOWER_KEY_ARP_SIP, | |
706 | TCA_FLOWER_KEY_ARP_SIP_MASK, | |
707 | n); | |
708 | if (ret < 0) { | |
709 | fprintf(stderr, "Illegal \"arp_sip\"\n"); | |
710 | return -1; | |
711 | } | |
712 | } else if (matches(*argv, "arp_op") == 0) { | |
713 | NEXT_ARG(); | |
714 | ret = flower_parse_arp_op(*argv, vlan_ethtype ? | |
715 | vlan_ethtype : eth_type, | |
716 | TCA_FLOWER_KEY_ARP_OP, | |
717 | TCA_FLOWER_KEY_ARP_OP_MASK, | |
718 | n); | |
719 | if (ret < 0) { | |
720 | fprintf(stderr, "Illegal \"arp_op\"\n"); | |
721 | return -1; | |
722 | } | |
723 | } else if (matches(*argv, "arp_tha") == 0) { | |
724 | NEXT_ARG(); | |
725 | ret = flower_parse_eth_addr(*argv, | |
726 | TCA_FLOWER_KEY_ARP_THA, | |
727 | TCA_FLOWER_KEY_ARP_THA_MASK, | |
728 | n); | |
729 | if (ret < 0) { | |
730 | fprintf(stderr, "Illegal \"arp_tha\"\n"); | |
731 | return -1; | |
732 | } | |
733 | } else if (matches(*argv, "arp_sha") == 0) { | |
734 | NEXT_ARG(); | |
735 | ret = flower_parse_eth_addr(*argv, | |
736 | TCA_FLOWER_KEY_ARP_SHA, | |
737 | TCA_FLOWER_KEY_ARP_SHA_MASK, | |
738 | n); | |
739 | if (ret < 0) { | |
740 | fprintf(stderr, "Illegal \"arp_sha\"\n"); | |
741 | return -1; | |
742 | } | |
bb9b63b1 AV |
743 | } else if (matches(*argv, "enc_dst_ip") == 0) { |
744 | NEXT_ARG(); | |
745 | ret = flower_parse_ip_addr(*argv, 0, | |
746 | TCA_FLOWER_KEY_ENC_IPV4_DST, | |
747 | TCA_FLOWER_KEY_ENC_IPV4_DST_MASK, | |
748 | TCA_FLOWER_KEY_ENC_IPV6_DST, | |
749 | TCA_FLOWER_KEY_ENC_IPV6_DST_MASK, | |
750 | n); | |
751 | if (ret < 0) { | |
752 | fprintf(stderr, "Illegal \"enc_dst_ip\"\n"); | |
753 | return -1; | |
754 | } | |
755 | } else if (matches(*argv, "enc_src_ip") == 0) { | |
756 | NEXT_ARG(); | |
757 | ret = flower_parse_ip_addr(*argv, 0, | |
758 | TCA_FLOWER_KEY_ENC_IPV4_SRC, | |
759 | TCA_FLOWER_KEY_ENC_IPV4_SRC_MASK, | |
760 | TCA_FLOWER_KEY_ENC_IPV6_SRC, | |
761 | TCA_FLOWER_KEY_ENC_IPV6_SRC_MASK, | |
762 | n); | |
763 | if (ret < 0) { | |
764 | fprintf(stderr, "Illegal \"enc_src_ip\"\n"); | |
765 | return -1; | |
766 | } | |
767 | } else if (matches(*argv, "enc_key_id") == 0) { | |
768 | NEXT_ARG(); | |
769 | ret = flower_parse_key_id(*argv, | |
770 | TCA_FLOWER_KEY_ENC_KEY_ID, n); | |
771 | if (ret < 0) { | |
772 | fprintf(stderr, "Illegal \"enc_key_id\"\n"); | |
773 | return -1; | |
774 | } | |
41aa17ff HHZ |
775 | } else if (matches(*argv, "enc_dst_port") == 0) { |
776 | NEXT_ARG(); | |
777 | ret = flower_parse_enc_port(*argv, | |
778 | TCA_FLOWER_KEY_ENC_UDP_DST_PORT, n); | |
779 | if (ret < 0) { | |
780 | fprintf(stderr, "Illegal \"enc_dst_port\"\n"); | |
781 | return -1; | |
782 | } | |
30eb304e JP |
783 | } else if (matches(*argv, "action") == 0) { |
784 | NEXT_ARG(); | |
785 | ret = parse_action(&argc, &argv, TCA_FLOWER_ACT, n); | |
786 | if (ret) { | |
787 | fprintf(stderr, "Illegal \"action\"\n"); | |
788 | return -1; | |
789 | } | |
790 | continue; | |
791 | } else if (strcmp(*argv, "help") == 0) { | |
792 | explain(); | |
793 | return -1; | |
794 | } else { | |
795 | fprintf(stderr, "What is \"%s\"?\n", *argv); | |
796 | explain(); | |
797 | return -1; | |
798 | } | |
799 | argc--; argv++; | |
800 | } | |
801 | ||
488b41d0 | 802 | parse_done: |
c85609b2 RD |
803 | ret = addattr32(n, MAX_MSG, TCA_FLOWER_FLAGS, flags); |
804 | if (ret) | |
805 | return ret; | |
cfcabf18 | 806 | |
08f66c80 PB |
807 | if (mtf_mask) { |
808 | ret = addattr32(n, MAX_MSG, TCA_FLOWER_KEY_FLAGS, htonl(mtf)); | |
809 | if (ret) | |
810 | return ret; | |
811 | ||
812 | ret = addattr32(n, MAX_MSG, TCA_FLOWER_KEY_FLAGS_MASK, htonl(mtf_mask)); | |
813 | if (ret) | |
814 | return ret; | |
815 | } | |
816 | ||
4f7d406f BL |
817 | if (eth_type != htons(ETH_P_ALL)) { |
818 | ret = addattr16(n, MAX_MSG, TCA_FLOWER_KEY_ETH_TYPE, eth_type); | |
819 | if (ret) | |
820 | return ret; | |
821 | } | |
488b41d0 | 822 | |
32a121cb | 823 | tail->rta_len = (((void *)n)+n->nlmsg_len) - (void *)tail; |
30eb304e JP |
824 | |
825 | return 0; | |
826 | } | |
827 | ||
828 | static int __mask_bits(char *addr, size_t len) | |
829 | { | |
830 | int bits = 0; | |
831 | bool hole = false; | |
832 | int i; | |
833 | int j; | |
834 | ||
835 | for (i = 0; i < len; i++, addr++) { | |
836 | for (j = 7; j >= 0; j--) { | |
837 | if (((*addr) >> j) & 0x1) { | |
838 | if (hole) | |
839 | return -1; | |
840 | bits++; | |
841 | } else if (bits) { | |
842 | hole = true; | |
843 | } else{ | |
844 | return -1; | |
845 | } | |
846 | } | |
847 | } | |
848 | return bits; | |
849 | } | |
850 | ||
851 | static void flower_print_eth_addr(FILE *f, char *name, | |
852 | struct rtattr *addr_attr, | |
853 | struct rtattr *mask_attr) | |
854 | { | |
855 | SPRINT_BUF(b1); | |
856 | int bits; | |
857 | ||
858 | if (!addr_attr || RTA_PAYLOAD(addr_attr) != ETH_ALEN) | |
859 | return; | |
860 | fprintf(f, "\n %s %s", name, ll_addr_n2a(RTA_DATA(addr_attr), ETH_ALEN, | |
861 | 0, b1, sizeof(b1))); | |
862 | if (!mask_attr || RTA_PAYLOAD(mask_attr) != ETH_ALEN) | |
863 | return; | |
864 | bits = __mask_bits(RTA_DATA(mask_attr), ETH_ALEN); | |
865 | if (bits < 0) | |
866 | fprintf(f, "/%s", ll_addr_n2a(RTA_DATA(mask_attr), ETH_ALEN, | |
867 | 0, b1, sizeof(b1))); | |
868 | else if (bits < ETH_ALEN * 8) | |
869 | fprintf(f, "/%d", bits); | |
870 | } | |
871 | ||
872 | static void flower_print_eth_type(FILE *f, __be16 *p_eth_type, | |
873 | struct rtattr *eth_type_attr) | |
874 | { | |
875 | __be16 eth_type; | |
876 | ||
877 | if (!eth_type_attr) | |
878 | return; | |
879 | ||
880 | eth_type = rta_getattr_u16(eth_type_attr); | |
881 | fprintf(f, "\n eth_type "); | |
882 | if (eth_type == htons(ETH_P_IP)) | |
883 | fprintf(f, "ipv4"); | |
884 | else if (eth_type == htons(ETH_P_IPV6)) | |
885 | fprintf(f, "ipv6"); | |
f888f4e2 SH |
886 | else if (eth_type == htons(ETH_P_ARP)) |
887 | fprintf(f, "arp"); | |
888 | else if (eth_type == htons(ETH_P_RARP)) | |
889 | fprintf(f, "rarp"); | |
30eb304e JP |
890 | else |
891 | fprintf(f, "%04x", ntohs(eth_type)); | |
892 | *p_eth_type = eth_type; | |
893 | } | |
894 | ||
895 | static void flower_print_ip_proto(FILE *f, __u8 *p_ip_proto, | |
896 | struct rtattr *ip_proto_attr) | |
897 | { | |
898 | __u8 ip_proto; | |
899 | ||
900 | if (!ip_proto_attr) | |
901 | return; | |
902 | ||
903 | ip_proto = rta_getattr_u8(ip_proto_attr); | |
904 | fprintf(f, "\n ip_proto "); | |
905 | if (ip_proto == IPPROTO_TCP) | |
906 | fprintf(f, "tcp"); | |
907 | else if (ip_proto == IPPROTO_UDP) | |
908 | fprintf(f, "udp"); | |
a1fb0d48 SH |
909 | else if (ip_proto == IPPROTO_SCTP) |
910 | fprintf(f, "sctp"); | |
eb3b5696 SH |
911 | else if (ip_proto == IPPROTO_ICMP) |
912 | fprintf(f, "icmp"); | |
913 | else if (ip_proto == IPPROTO_ICMPV6) | |
914 | fprintf(f, "icmpv6"); | |
30eb304e JP |
915 | else |
916 | fprintf(f, "%02x", ip_proto); | |
917 | *p_ip_proto = ip_proto; | |
918 | } | |
919 | ||
22a8f019 | 920 | static void flower_print_matching_flags(FILE *f, char *name, |
08f66c80 | 921 | enum flower_matching_flags type, |
22a8f019 PB |
922 | struct rtattr *attr, |
923 | struct rtattr *mask_attr) | |
924 | { | |
08f66c80 PB |
925 | int i; |
926 | int count = 0; | |
927 | __u32 mtf; | |
928 | __u32 mtf_mask; | |
929 | ||
22a8f019 PB |
930 | if (!mask_attr || RTA_PAYLOAD(mask_attr) != 4) |
931 | return; | |
932 | ||
08f66c80 PB |
933 | mtf = ntohl(rta_getattr_u32(attr)); |
934 | mtf_mask = ntohl(rta_getattr_u32(mask_attr)); | |
935 | ||
936 | for (i = 0; i < ARRAY_SIZE(flags_str); i++) { | |
937 | if (type != flags_str[i].type) | |
938 | continue; | |
939 | if (mtf_mask & flags_str[i].flag) { | |
940 | if (++count == 1) | |
941 | fprintf(f, "\n %s ", name); | |
942 | else | |
943 | fprintf(f, "/"); | |
944 | ||
945 | if (mtf & flags_str[i].flag) | |
946 | fprintf(f, "%s", flags_str[i].string); | |
947 | else | |
948 | fprintf(f, "no%s", flags_str[i].string); | |
949 | } | |
950 | } | |
22a8f019 PB |
951 | } |
952 | ||
30eb304e JP |
953 | static void flower_print_ip_addr(FILE *f, char *name, __be16 eth_type, |
954 | struct rtattr *addr4_attr, | |
955 | struct rtattr *mask4_attr, | |
956 | struct rtattr *addr6_attr, | |
957 | struct rtattr *mask6_attr) | |
958 | { | |
30eb304e JP |
959 | struct rtattr *addr_attr; |
960 | struct rtattr *mask_attr; | |
961 | int family; | |
962 | size_t len; | |
963 | int bits; | |
964 | ||
965 | if (eth_type == htons(ETH_P_IP)) { | |
966 | family = AF_INET; | |
967 | addr_attr = addr4_attr; | |
968 | mask_attr = mask4_attr; | |
969 | len = 4; | |
970 | } else if (eth_type == htons(ETH_P_IPV6)) { | |
971 | family = AF_INET6; | |
972 | addr_attr = addr6_attr; | |
973 | mask_attr = mask6_attr; | |
974 | len = 16; | |
975 | } else { | |
976 | return; | |
977 | } | |
978 | if (!addr_attr || RTA_PAYLOAD(addr_attr) != len) | |
979 | return; | |
7faf1588 | 980 | fprintf(f, "\n %s %s", name, rt_addr_n2a_rta(family, addr_attr)); |
30eb304e JP |
981 | if (!mask_attr || RTA_PAYLOAD(mask_attr) != len) |
982 | return; | |
983 | bits = __mask_bits(RTA_DATA(mask_attr), len); | |
984 | if (bits < 0) | |
7faf1588 | 985 | fprintf(f, "/%s", rt_addr_n2a_rta(family, mask_attr)); |
30eb304e JP |
986 | else if (bits < len * 8) |
987 | fprintf(f, "/%d", bits); | |
988 | } | |
f888f4e2 SH |
989 | static void flower_print_ip4_addr(FILE *f, char *name, |
990 | struct rtattr *addr_attr, | |
991 | struct rtattr *mask_attr) | |
992 | { | |
993 | return flower_print_ip_addr(f, name, htons(ETH_P_IP), | |
994 | addr_attr, mask_attr, 0, 0); | |
995 | } | |
30eb304e | 996 | |
a1fb0d48 | 997 | static void flower_print_port(FILE *f, char *name, struct rtattr *attr) |
30eb304e | 998 | { |
6bd5b80c SH |
999 | if (attr) |
1000 | fprintf(f, "\n %s %d", name, rta_getattr_be16(attr)); | |
30eb304e JP |
1001 | } |
1002 | ||
bb9b63b1 AV |
1003 | static void flower_print_key_id(FILE *f, const char *name, |
1004 | struct rtattr *attr) | |
1005 | { | |
1006 | if (attr) | |
1007 | fprintf(f, "\n %s %d", name, rta_getattr_be32(attr)); | |
1008 | } | |
1009 | ||
9d36e54f SH |
1010 | static void flower_print_masked_u8(FILE *f, const char *name, |
1011 | struct rtattr *attr, | |
1012 | struct rtattr *mask_attr, | |
1013 | const char *(*value_to_str)(__u8 value)) | |
f888f4e2 | 1014 | { |
9d36e54f SH |
1015 | const char *value_str = NULL; |
1016 | __u8 value, mask; | |
f888f4e2 | 1017 | |
9d36e54f | 1018 | if (!attr) |
f888f4e2 SH |
1019 | return; |
1020 | ||
9d36e54f | 1021 | value = rta_getattr_u8(attr); |
f888f4e2 | 1022 | mask = mask_attr ? rta_getattr_u8(mask_attr) : UINT8_MAX; |
9d36e54f SH |
1023 | if (mask == UINT8_MAX && value_to_str) |
1024 | value_str = value_to_str(value); | |
f888f4e2 SH |
1025 | |
1026 | fprintf(f, "\n %s ", name); | |
1027 | ||
9d36e54f SH |
1028 | if (value_str) |
1029 | fputs(value_str, f); | |
f888f4e2 | 1030 | else |
9d36e54f | 1031 | fprintf(f, "%d", value); |
f888f4e2 SH |
1032 | |
1033 | if (mask != UINT8_MAX) | |
1034 | fprintf(f, "/%d", mask); | |
1035 | } | |
1036 | ||
9d36e54f SH |
1037 | static void flower_print_arp_op(FILE *f, const char *name, |
1038 | struct rtattr *op_attr, | |
1039 | struct rtattr *mask_attr) | |
1040 | { | |
1041 | flower_print_masked_u8(f, name, op_attr, mask_attr, | |
1042 | flower_print_arp_op_to_name); | |
1043 | } | |
1044 | ||
30eb304e JP |
1045 | static int flower_print_opt(struct filter_util *qu, FILE *f, |
1046 | struct rtattr *opt, __u32 handle) | |
1047 | { | |
1048 | struct rtattr *tb[TCA_FLOWER_MAX + 1]; | |
6374961a | 1049 | int nl_type, nl_mask_type; |
30eb304e JP |
1050 | __be16 eth_type = 0; |
1051 | __u8 ip_proto = 0xff; | |
1052 | ||
1053 | if (!opt) | |
1054 | return 0; | |
1055 | ||
1056 | parse_rtattr_nested(tb, TCA_FLOWER_MAX, opt); | |
1057 | ||
1058 | if (handle) | |
1059 | fprintf(f, "handle 0x%x ", handle); | |
1060 | ||
1061 | if (tb[TCA_FLOWER_CLASSID]) { | |
1062 | SPRINT_BUF(b1); | |
1063 | fprintf(f, "classid %s ", | |
488b41d0 JHS |
1064 | sprint_tc_classid(rta_getattr_u32(tb[TCA_FLOWER_CLASSID]), |
1065 | b1)); | |
30eb304e JP |
1066 | } |
1067 | ||
1068 | if (tb[TCA_FLOWER_INDEV]) { | |
1069 | struct rtattr *attr = tb[TCA_FLOWER_INDEV]; | |
1070 | ||
1071 | fprintf(f, "\n indev %s", rta_getattr_str(attr)); | |
1072 | } | |
1073 | ||
745d9172 HHZ |
1074 | if (tb[TCA_FLOWER_KEY_VLAN_ID]) { |
1075 | struct rtattr *attr = tb[TCA_FLOWER_KEY_VLAN_ID]; | |
1076 | ||
1077 | fprintf(f, "\n vlan_id %d", rta_getattr_u16(attr)); | |
1078 | } | |
1079 | ||
1080 | if (tb[TCA_FLOWER_KEY_VLAN_PRIO]) { | |
1081 | struct rtattr *attr = tb[TCA_FLOWER_KEY_VLAN_PRIO]; | |
1082 | ||
1083 | fprintf(f, "\n vlan_prio %d", rta_getattr_u8(attr)); | |
1084 | } | |
1085 | ||
30eb304e JP |
1086 | flower_print_eth_addr(f, "dst_mac", tb[TCA_FLOWER_KEY_ETH_DST], |
1087 | tb[TCA_FLOWER_KEY_ETH_DST_MASK]); | |
1088 | flower_print_eth_addr(f, "src_mac", tb[TCA_FLOWER_KEY_ETH_SRC], | |
1089 | tb[TCA_FLOWER_KEY_ETH_SRC_MASK]); | |
1090 | ||
1091 | flower_print_eth_type(f, ð_type, tb[TCA_FLOWER_KEY_ETH_TYPE]); | |
1092 | flower_print_ip_proto(f, &ip_proto, tb[TCA_FLOWER_KEY_IP_PROTO]); | |
1093 | ||
1094 | flower_print_ip_addr(f, "dst_ip", eth_type, | |
1095 | tb[TCA_FLOWER_KEY_IPV4_DST], | |
1096 | tb[TCA_FLOWER_KEY_IPV4_DST_MASK], | |
1097 | tb[TCA_FLOWER_KEY_IPV6_DST], | |
1098 | tb[TCA_FLOWER_KEY_IPV6_DST_MASK]); | |
1099 | ||
1100 | flower_print_ip_addr(f, "src_ip", eth_type, | |
1101 | tb[TCA_FLOWER_KEY_IPV4_SRC], | |
1102 | tb[TCA_FLOWER_KEY_IPV4_SRC_MASK], | |
1103 | tb[TCA_FLOWER_KEY_IPV6_SRC], | |
1104 | tb[TCA_FLOWER_KEY_IPV6_SRC_MASK]); | |
1105 | ||
b2141de1 | 1106 | nl_type = flower_port_attr_type(ip_proto, FLOWER_ENDPOINT_DST); |
6bd5b80c SH |
1107 | if (nl_type >= 0) |
1108 | flower_print_port(f, "dst_port", tb[nl_type]); | |
b2141de1 | 1109 | nl_type = flower_port_attr_type(ip_proto, FLOWER_ENDPOINT_SRC); |
6bd5b80c SH |
1110 | if (nl_type >= 0) |
1111 | flower_print_port(f, "src_port", tb[nl_type]); | |
30eb304e | 1112 | |
81f6e5a7 SH |
1113 | nl_type = flower_icmp_attr_type(eth_type, ip_proto, |
1114 | FLOWER_ICMP_FIELD_TYPE); | |
6374961a SH |
1115 | nl_mask_type = flower_icmp_attr_mask_type(eth_type, ip_proto, |
1116 | FLOWER_ICMP_FIELD_TYPE); | |
1117 | if (nl_type >= 0 && nl_mask_type >= 0) | |
1118 | flower_print_masked_u8(f, "icmp_type", tb[nl_type], | |
1119 | tb[nl_mask_type], NULL); | |
1120 | ||
81f6e5a7 SH |
1121 | nl_type = flower_icmp_attr_type(eth_type, ip_proto, |
1122 | FLOWER_ICMP_FIELD_CODE); | |
6374961a SH |
1123 | nl_mask_type = flower_icmp_attr_mask_type(eth_type, ip_proto, |
1124 | FLOWER_ICMP_FIELD_CODE); | |
1125 | if (nl_type >= 0 && nl_mask_type >= 0) | |
1126 | flower_print_masked_u8(f, "icmp_code", tb[nl_type], | |
1127 | tb[nl_mask_type], NULL); | |
eb3b5696 | 1128 | |
f888f4e2 SH |
1129 | flower_print_ip4_addr(f, "arp_sip", tb[TCA_FLOWER_KEY_ARP_SIP], |
1130 | tb[TCA_FLOWER_KEY_ARP_SIP_MASK]); | |
1131 | flower_print_ip4_addr(f, "arp_tip", tb[TCA_FLOWER_KEY_ARP_TIP], | |
1132 | tb[TCA_FLOWER_KEY_ARP_TIP_MASK]); | |
1133 | flower_print_arp_op(f, "arp_op", tb[TCA_FLOWER_KEY_ARP_OP], | |
1134 | tb[TCA_FLOWER_KEY_ARP_OP_MASK]); | |
1135 | flower_print_eth_addr(f, "arp_sha", tb[TCA_FLOWER_KEY_ARP_SHA], | |
1136 | tb[TCA_FLOWER_KEY_ARP_SHA_MASK]); | |
1137 | flower_print_eth_addr(f, "arp_tha", tb[TCA_FLOWER_KEY_ARP_THA], | |
1138 | tb[TCA_FLOWER_KEY_ARP_THA_MASK]); | |
1139 | ||
bb9b63b1 AV |
1140 | flower_print_ip_addr(f, "enc_dst_ip", |
1141 | tb[TCA_FLOWER_KEY_ENC_IPV4_DST_MASK] ? | |
1142 | htons(ETH_P_IP) : htons(ETH_P_IPV6), | |
1143 | tb[TCA_FLOWER_KEY_ENC_IPV4_DST], | |
1144 | tb[TCA_FLOWER_KEY_ENC_IPV4_DST_MASK], | |
1145 | tb[TCA_FLOWER_KEY_ENC_IPV6_DST], | |
1146 | tb[TCA_FLOWER_KEY_ENC_IPV6_DST_MASK]); | |
1147 | ||
1148 | flower_print_ip_addr(f, "enc_src_ip", | |
1149 | tb[TCA_FLOWER_KEY_ENC_IPV4_SRC_MASK] ? | |
1150 | htons(ETH_P_IP) : htons(ETH_P_IPV6), | |
1151 | tb[TCA_FLOWER_KEY_ENC_IPV4_SRC], | |
1152 | tb[TCA_FLOWER_KEY_ENC_IPV4_SRC_MASK], | |
1153 | tb[TCA_FLOWER_KEY_ENC_IPV6_SRC], | |
1154 | tb[TCA_FLOWER_KEY_ENC_IPV6_SRC_MASK]); | |
1155 | ||
1156 | flower_print_key_id(f, "enc_key_id", | |
1157 | tb[TCA_FLOWER_KEY_ENC_KEY_ID]); | |
1158 | ||
41aa17ff HHZ |
1159 | flower_print_port(f, "enc_dst_port", |
1160 | tb[TCA_FLOWER_KEY_ENC_UDP_DST_PORT]); | |
1161 | ||
08f66c80 PB |
1162 | flower_print_matching_flags(f, "ip_flags", |
1163 | FLOWER_IP_FLAGS, | |
22a8f019 PB |
1164 | tb[TCA_FLOWER_KEY_FLAGS], |
1165 | tb[TCA_FLOWER_KEY_FLAGS_MASK]); | |
1166 | ||
512caeb2 | 1167 | if (tb[TCA_FLOWER_FLAGS]) { |
cfcabf18 AV |
1168 | __u32 flags = rta_getattr_u32(tb[TCA_FLOWER_FLAGS]); |
1169 | ||
1170 | if (flags & TCA_CLS_FLAGS_SKIP_HW) | |
1171 | fprintf(f, "\n skip_hw"); | |
1172 | if (flags & TCA_CLS_FLAGS_SKIP_SW) | |
1173 | fprintf(f, "\n skip_sw"); | |
1174 | } | |
1175 | ||
512caeb2 | 1176 | if (tb[TCA_FLOWER_ACT]) |
30eb304e | 1177 | tc_print_action(f, tb[TCA_FLOWER_ACT]); |
30eb304e JP |
1178 | |
1179 | return 0; | |
1180 | } | |
1181 | ||
1182 | struct filter_util flower_filter_util = { | |
1183 | .id = "flower", | |
1184 | .parse_fopt = flower_parse_opt, | |
1185 | .print_fopt = flower_print_opt, | |
1186 | }; |