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[mirror_iproute2.git] / tc / f_flower.c
CommitLineData
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>
30eb304e
JP		 15#include <string.h>
16#include <net/if.h>
f888f4e2 17#include <linux/if_arp.h>
30eb304e
JP		 18#include <linux/if_ether.h>
19#include <linux/ip.h>
745d9172 20#include <linux/tc_act/tc_vlan.h>
7638ee13 21#include <linux/mpls.h>
30eb304e
JP		 22
23#include "utils.h"
24#include "tc_util.h"
25#include "rt_names.h"
26
08f66c80
PB		 27enum flower_matching_flags {
28 FLOWER_IP_FLAGS,
29};
30
6910d656
SH		 31enum flower_endpoint {
32 FLOWER_ENDPOINT_SRC,
33 FLOWER_ENDPOINT_DST
34};
35
eb3b5696
SH		 36enum flower_icmp_field {
37 FLOWER_ICMP_FIELD_TYPE,
38 FLOWER_ICMP_FIELD_CODE
39};
40
30eb304e
JP		 41static 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"
6ea2c2b1
OG		 56 " ip_tos MASKED-IP_TOS |\n"
57 " ip_ttl MASKED-IP_TTL |\n"
7638ee13
BL		 58 " mpls_label LABEL |\n"
59 " mpls_tc TC |\n"
60 " mpls_bos BOS |\n"
61 " mpls_ttl TTL |\n"
b2a1f740
SH		 62 " dst_ip PREFIX |\n"
63 " src_ip PREFIX |\n"
512caeb2 64 " dst_port PORT-NUMBER |\n"
bb9b63b1 65 " src_port PORT-NUMBER |\n"
0c30d14d 66 " tcp_flags MASKED-TCP_FLAGS |\n"
6374961a
SH		 67 " type MASKED-ICMP-TYPE |\n"
68 " code MASKED-ICMP-CODE |\n"
c7ec052b
SH		 69 " arp_tip IPV4-PREFIX |\n"
70 " arp_sip IPV4-PREFIX |\n"
f888f4e2
SH		 71 " arp_op [ request | reply | OP ] |\n"
72 " arp_tha MASKED-LLADDR |\n"
73 " arp_sha MASKED-LLADDR |\n"
10da5528
SH		 74 " enc_dst_ip [ IPV4-ADDR | IPV6-ADDR ] |\n"
75 " enc_src_ip [ IPV4-ADDR | IPV6-ADDR ] |\n"
bf73c650 76 " enc_key_id [ KEY-ID ] |\n"
08f66c80 77 " ip_flags IP-FLAGS | \n"
a5ae170e 78 " enc_dst_port [ port_number ] }\n"
512caeb2 79 " FILTERID := X:Y:Z\n"
c2078f8d 80 " MASKED_LLADDR := { LLADDR | LLADDR/MASK | LLADDR/BITS }\n"
512caeb2
SH		 81 " ACTION-SPEC := ... look at individual actions\n"
82 "\n"
328374dc 83 "NOTE: CLASSID, IP-PROTO are parsed as hexadecimal input.\n"
512caeb2
SH		 84 "NOTE: There can be only used one mask per one prio. If user needs\n"
85 " to specify different mask, he has to use different prio.\n");
30eb304e
JP		 86}
87
88static int flower_parse_eth_addr(char *str, int addr_type, int mask_type,
89 struct nlmsghdr *n)
90{
c2078f8d
SH		 91 int ret, err = -1;
92 char addr[ETH_ALEN], *slash;
93
94 slash = strchr(str, '/');
95 if (slash)
96 *slash = '\0';
30eb304e
JP		 97
98 ret = ll_addr_a2n(addr, sizeof(addr), str);
99 if (ret < 0)
c2078f8d 100 goto err;
30eb304e 101 addattr_l(n, MAX_MSG, addr_type, addr, sizeof(addr));
c2078f8d
SH		 102
103 if (slash) {
104 unsigned bits;
105
106 if (!get_unsigned(&bits, slash + 1, 10)) {
107 uint64_t mask;
108
109 /* Extra 16 bit shift to push mac address into
110 * high bits of uint64_t
111 */
112 mask = htonll(0xffffffffffffULL << (16 + 48 - bits));
113 memcpy(addr, &mask, ETH_ALEN);
114 } else {
115 ret = ll_addr_a2n(addr, sizeof(addr), slash + 1);
116 if (ret < 0)
117 goto err;
118 }
119 } else {
120 memset(addr, 0xff, ETH_ALEN);
121 }
30eb304e 122 addattr_l(n, MAX_MSG, mask_type, addr, sizeof(addr));
c2078f8d
SH		 123
124 err = 0;
125err:
126 if (slash)
127 *slash = '/';
128 return err;
30eb304e
JP		 129}
130
745d9172 131static int flower_parse_vlan_eth_type(char *str, __be16 eth_type, int type,
512caeb2
SH		 132 __be16 *p_vlan_eth_type,
133 struct nlmsghdr *n)
745d9172
HHZ		 134{
135 __be16 vlan_eth_type;
136
137 if (eth_type != htons(ETH_P_8021Q)) {
512caeb2
SH		 138 fprintf(stderr,
139 "Can't set \"vlan_ethtype\" if ethertype isn't 802.1Q\n");
745d9172
HHZ		 140 return -1;
141 }
142
143 if (ll_proto_a2n(&vlan_eth_type, str))
144 invarg("invalid vlan_ethtype", str);
145 addattr16(n, MAX_MSG, type, vlan_eth_type);
146 *p_vlan_eth_type = vlan_eth_type;
147 return 0;
148}
149
08f66c80
PB		 150struct flag_to_string {
151 int flag;
152 enum flower_matching_flags type;
153 char *string;
154};
22a8f019 155
08f66c80
PB		 156static struct flag_to_string flags_str[] = {
157 { TCA_FLOWER_KEY_FLAGS_IS_FRAGMENT, FLOWER_IP_FLAGS, "frag" },
158};
22a8f019 159
08f66c80
PB		 160static int flower_parse_matching_flags(char *str,
161 enum flower_matching_flags type,
162 __u32 *mtf, __u32 *mtf_mask)
163{
164 char *token;
165 bool no;
166 bool found;
167 int i;
22a8f019 168
08f66c80
PB		 169 token = strtok(str, "/");
170
171 while (token) {
172 if (!strncmp(token, "no", 2)) {
173 no = true;
174 token += 2;
175 } else
176 no = false;
177
178 found = false;
179 for (i = 0; i < ARRAY_SIZE(flags_str); i++) {
180 if (type != flags_str[i].type)
181 continue;
182
183 if (!strcmp(token, flags_str[i].string)) {
184 if (no)
185 *mtf &= ~flags_str[i].flag;
186 else
187 *mtf |= flags_str[i].flag;
188
189 *mtf_mask |= flags_str[i].flag;
190 found = true;
191 break;
192 }
193 }
194 if (!found)
22a8f019 195 return -1;
08f66c80
PB		 196
197 token = strtok(NULL, "/");
22a8f019
PB		 198 }
199
22a8f019
PB		 200 return 0;
201}
202
30eb304e
JP		 203static int flower_parse_ip_proto(char *str, __be16 eth_type, int type,
204 __u8 *p_ip_proto, struct nlmsghdr *n)
205{
206 int ret;
207 __u8 ip_proto;
208
eb3b5696
SH		 209 if (eth_type != htons(ETH_P_IP) && eth_type != htons(ETH_P_IPV6))
210 goto err;
211
30eb304e
JP		 212 if (matches(str, "tcp") == 0) {
213 ip_proto = IPPROTO_TCP;
214 } else if (matches(str, "udp") == 0) {
215 ip_proto = IPPROTO_UDP;
a1fb0d48
SH		 216 } else if (matches(str, "sctp") == 0) {
217 ip_proto = IPPROTO_SCTP;
eb3b5696
SH		 218 } else if (matches(str, "icmp") == 0) {
219 if (eth_type != htons(ETH_P_IP))
220 goto err;
221 ip_proto = IPPROTO_ICMP;
222 } else if (matches(str, "icmpv6") == 0) {
223 if (eth_type != htons(ETH_P_IPV6))
224 goto err;
225 ip_proto = IPPROTO_ICMPV6;
30eb304e
JP		 226 } else {
227 ret = get_u8(&ip_proto, str, 16);
228 if (ret)
229 return -1;
230 }
231 addattr8(n, MAX_MSG, type, ip_proto);
232 *p_ip_proto = ip_proto;
233 return 0;
eb3b5696
SH		 234
235err:
236 fprintf(stderr, "Illegal \"eth_type\" for ip proto\n");
237 return -1;
30eb304e
JP		 238}
239
f888f4e2
SH		 240static int __flower_parse_ip_addr(char *str, int family,
241 int addr4_type, int mask4_type,
242 int addr6_type, int mask6_type,
243 struct nlmsghdr *n)
30eb304e
JP		 244{
245 int ret;
246 inet_prefix addr;
30eb304e
JP		 247 int bits;
248 int i;
249
30eb304e
JP		 250 ret = get_prefix(&addr, str, family);
251 if (ret)
252 return -1;
253
bb9b63b1
AV		 254 if (family && (addr.family != family)) {
255 fprintf(stderr, "Illegal \"eth_type\" for ip address\n");
30eb304e 256 return -1;
bb9b63b1 257 }
30eb304e
JP		 258
259 addattr_l(n, MAX_MSG, addr.family == AF_INET ? addr4_type : addr6_type,
260 addr.data, addr.bytelen);
261
262 memset(addr.data, 0xff, addr.bytelen);
263 bits = addr.bitlen;
264 for (i = 0; i < addr.bytelen / 4; i++) {
265 if (!bits) {
266 addr.data[i] = 0;
267 } else if (bits / 32 >= 1) {
268 bits -= 32;
269 } else {
270 addr.data[i] <<= 32 - bits;
271 addr.data[i] = htonl(addr.data[i]);
272 bits = 0;
273 }
274 }
275
276 addattr_l(n, MAX_MSG, addr.family == AF_INET ? mask4_type : mask6_type,
277 addr.data, addr.bytelen);
278
279 return 0;
280}
281
f888f4e2
SH		 282static int flower_parse_ip_addr(char *str, __be16 eth_type,
283 int addr4_type, int mask4_type,
284 int addr6_type, int mask6_type,
285 struct nlmsghdr *n)
286{
287 int family;
288
289 if (eth_type == htons(ETH_P_IP)) {
290 family = AF_INET;
291 } else if (eth_type == htons(ETH_P_IPV6)) {
292 family = AF_INET6;
293 } else if (!eth_type) {
294 family = AF_UNSPEC;
295 } else {
296 return -1;
297 }
298
164a9ff4
RD		 299 return __flower_parse_ip_addr(str, family, addr4_type, mask4_type,
300 addr6_type, mask6_type, n);
f888f4e2
SH		 301}
302
303static bool flower_eth_type_arp(__be16 eth_type)
304{
305 return eth_type == htons(ETH_P_ARP) || eth_type == htons(ETH_P_RARP);
306}
307
308static int flower_parse_arp_ip_addr(char *str, __be16 eth_type,
309 int addr_type, int mask_type,
310 struct nlmsghdr *n)
311{
312 if (!flower_eth_type_arp(eth_type))
313 return -1;
314
315 return __flower_parse_ip_addr(str, AF_INET, addr_type, mask_type,
316 TCA_FLOWER_UNSPEC, TCA_FLOWER_UNSPEC, n);
317}
318
180136e5
SH		 319static int flower_parse_u8(char *str, int value_type, int mask_type,
320 int (*value_from_name)(const char *str,
321 __u8 *value),
322 bool (*value_validate)(__u8 value),
323 struct nlmsghdr *n)
f888f4e2
SH		 324{
325 char *slash;
326 int ret, err = -1;
180136e5 327 __u8 value, mask;
f888f4e2
SH		 328
329 slash = strchr(str, '/');
330 if (slash)
331 *slash = '\0';
332
180136e5
SH		 333 ret = value_from_name ? value_from_name(str, &value) : -1;
334 if (ret < 0) {
f888f4e2
SH		 335 ret = get_u8(&value, str, 10);
336 if (ret)
337 goto err;
f888f4e2
SH		 338 }
339
180136e5
SH		 340 if (value_validate && !value_validate(value))
341 goto err;
342
f888f4e2
SH		 343 if (slash) {
344 ret = get_u8(&mask, slash + 1, 10);
345 if (ret)
346 goto err;
347 }
348 else {
349 mask = UINT8_MAX;
350 }
351
180136e5 352 addattr8(n, MAX_MSG, value_type, value);
f888f4e2
SH		 353 addattr8(n, MAX_MSG, mask_type, mask);
354
355 err = 0;
356err:
357 if (slash)
358 *slash = '/';
359 return err;
360}
361
9d36e54f
SH		 362static const char *flower_print_arp_op_to_name(__u8 op)
363{
364 switch (op) {
365 case ARPOP_REQUEST:
366 return "request";
367 case ARPOP_REPLY:
368 return "reply";
369 default:
370 return NULL;
371 }
372}
373
180136e5
SH		 374static int flower_arp_op_from_name(const char *name, __u8 *op)
375{
376 if (!strcmp(name, "request"))
377 *op = ARPOP_REQUEST;
378 else if (!strcmp(name, "reply"))
379 *op = ARPOP_REPLY;
380 else
381 return -1;
382
383 return 0;
384}
385
386static bool flow_arp_op_validate(__u8 op)
387{
388 return !op || op == ARPOP_REQUEST || op == ARPOP_REPLY;
389}
390
391static int flower_parse_arp_op(char *str, __be16 eth_type,
392 int op_type, int mask_type,
393 struct nlmsghdr *n)
394{
395 if (!flower_eth_type_arp(eth_type))
396 return -1;
397
398 return flower_parse_u8(str, op_type, mask_type, flower_arp_op_from_name,
399 flow_arp_op_validate, n);
400}
401
eb3b5696
SH		 402static int flower_icmp_attr_type(__be16 eth_type, __u8 ip_proto,
403 enum flower_icmp_field field)
404{
405 if (eth_type == htons(ETH_P_IP) && ip_proto == IPPROTO_ICMP)
406 return field == FLOWER_ICMP_FIELD_CODE ?
407 TCA_FLOWER_KEY_ICMPV4_CODE :
408 TCA_FLOWER_KEY_ICMPV4_TYPE;
409 else if (eth_type == htons(ETH_P_IPV6) && ip_proto == IPPROTO_ICMPV6)
410 return field == FLOWER_ICMP_FIELD_CODE ?
411 TCA_FLOWER_KEY_ICMPV6_CODE :
412 TCA_FLOWER_KEY_ICMPV6_TYPE;
413
414 return -1;
415}
416
6374961a
SH		 417static int flower_icmp_attr_mask_type(__be16 eth_type, __u8 ip_proto,
418 enum flower_icmp_field field)
419{
420 if (eth_type == htons(ETH_P_IP) && ip_proto == IPPROTO_ICMP)
421 return field == FLOWER_ICMP_FIELD_CODE ?
422 TCA_FLOWER_KEY_ICMPV4_CODE_MASK :
423 TCA_FLOWER_KEY_ICMPV4_TYPE_MASK;
424 else if (eth_type == htons(ETH_P_IPV6) && ip_proto == IPPROTO_ICMPV6)
425 return field == FLOWER_ICMP_FIELD_CODE ?
426 TCA_FLOWER_KEY_ICMPV6_CODE_MASK :
427 TCA_FLOWER_KEY_ICMPV6_TYPE_MASK;
428
429 return -1;
430}
431
eb3b5696
SH		 432static int flower_parse_icmp(char *str, __u16 eth_type, __u8 ip_proto,
433 enum flower_icmp_field field, struct nlmsghdr *n)
434{
6374961a 435 int value_type, mask_type;
eb3b5696 436
6374961a
SH		 437 value_type = flower_icmp_attr_type(eth_type, ip_proto, field);
438 mask_type = flower_icmp_attr_mask_type(eth_type, ip_proto, field);
439 if (value_type < 0 || mask_type < 0)
eb3b5696
SH		 440 return -1;
441
6374961a 442 return flower_parse_u8(str, value_type, mask_type, NULL, NULL, n);
eb3b5696
SH		 443}
444
6910d656 445static int flower_port_attr_type(__u8 ip_proto, enum flower_endpoint endpoint)
30eb304e 446{
6bd5b80c 447 if (ip_proto == IPPROTO_TCP)
6910d656
SH		 448 return endpoint == FLOWER_ENDPOINT_SRC ?
449 TCA_FLOWER_KEY_TCP_SRC :
a1fb0d48 450 TCA_FLOWER_KEY_TCP_DST;
6bd5b80c 451 else if (ip_proto == IPPROTO_UDP)
6910d656
SH		 452 return endpoint == FLOWER_ENDPOINT_SRC ?
453 TCA_FLOWER_KEY_UDP_SRC :
a1fb0d48 454 TCA_FLOWER_KEY_UDP_DST;
6bd5b80c 455 else if (ip_proto == IPPROTO_SCTP)
6910d656
SH		 456 return endpoint == FLOWER_ENDPOINT_SRC ?
457 TCA_FLOWER_KEY_SCTP_SRC :
a1fb0d48 458 TCA_FLOWER_KEY_SCTP_DST;
6bd5b80c 459 else
30eb304e 460 return -1;
a1fb0d48
SH		 461}
462
6910d656
SH		 463static int flower_parse_port(char *str, __u8 ip_proto,
464 enum flower_endpoint endpoint,
a1fb0d48
SH		 465 struct nlmsghdr *n)
466{
467 int ret;
468 int type;
469 __be16 port;
470
6910d656 471 type = flower_port_attr_type(ip_proto, endpoint);
a1fb0d48
SH		 472 if (type < 0)
473 return -1;
30eb304e 474
9f7401fa 475 ret = get_be16(&port, str, 10);
30eb304e
JP		 476 if (ret)
477 return -1;
478
9f7401fa 479 addattr16(n, MAX_MSG, type, port);
30eb304e
JP		 480
481 return 0;
482}
483
0c30d14d
JP		 484#define TCP_FLAGS_MAX_MASK 0xfff
485
486static int flower_parse_tcp_flags(char *str, int flags_type, int mask_type,
487 struct nlmsghdr *n)
488{
489 char *slash;
490 int ret, err = -1;
491 __u16 flags;
492
493 slash = strchr(str, '/');
494 if (slash)
495 *slash = '\0';
496
497 ret = get_u16(&flags, str, 16);
498 if (ret < 0 || flags & ~TCP_FLAGS_MAX_MASK)
499 goto err;
500
501 addattr16(n, MAX_MSG, flags_type, htons(flags));
502
503 if (slash) {
504 ret = get_u16(&flags, slash + 1, 16);
505 if (ret < 0 || flags & ~TCP_FLAGS_MAX_MASK)
506 goto err;
507 } else {
508 flags = TCP_FLAGS_MAX_MASK;
509 }
510 addattr16(n, MAX_MSG, mask_type, htons(flags));
511
512 err = 0;
513err:
514 if (slash)
515 *slash = '/';
516 return err;
517}
518
6ea2c2b1
OG		 519static int flower_parse_ip_tos_ttl(char *str, int key_type, int mask_type,
520 struct nlmsghdr *n)
521{
522 char *slash;
523 int ret, err = -1;
524 __u8 tos_ttl;
525
526 slash = strchr(str, '/');
527 if (slash)
528 *slash = '\0';
529
530 ret = get_u8(&tos_ttl, str, 10);
531 if (ret < 0)
532 ret = get_u8(&tos_ttl, str, 16);
533 if (ret < 0)
534 goto err;
535
536 addattr8(n, MAX_MSG, key_type, tos_ttl);
537
538 if (slash) {
539 ret = get_u8(&tos_ttl, slash + 1, 16);
540 if (ret < 0)
541 goto err;
542 } else {
543 tos_ttl = 0xff;
544 }
545 addattr8(n, MAX_MSG, mask_type, tos_ttl);
546
547 err = 0;
548err:
549 if (slash)
550 *slash = '/';
551 return err;
552}
553
bb9b63b1
AV		 554static int flower_parse_key_id(const char *str, int type, struct nlmsghdr *n)
555{
556 int ret;
557 __be32 key_id;
558
559 ret = get_be32(&key_id, str, 10);
560 if (!ret)
561 addattr32(n, MAX_MSG, type, key_id);
562
563 return ret;
564}
565
41aa17ff
HHZ		 566static int flower_parse_enc_port(char *str, int type, struct nlmsghdr *n)
567{
568 int ret;
569 __be16 port;
570
571 ret = get_be16(&port, str, 10);
572 if (ret)
573 return -1;
574
575 addattr16(n, MAX_MSG, type, port);
576
577 return 0;
578}
579
30eb304e
JP		 580static int flower_parse_opt(struct filter_util *qu, char *handle,
581 int argc, char **argv, struct nlmsghdr *n)
582{
583 int ret;
584 struct tcmsg *t = NLMSG_DATA(n);
585 struct rtattr *tail;
488b41d0 586 __be16 eth_type = TC_H_MIN(t->tcm_info);
745d9172 587 __be16 vlan_ethtype = 0;
30eb304e 588 __u8 ip_proto = 0xff;
cfcabf18 589 __u32 flags = 0;
08f66c80
PB		 590 __u32 mtf = 0;
591 __u32 mtf_mask = 0;
30eb304e 592
30eb304e
JP		 593 if (handle) {
594 ret = get_u32(&t->tcm_handle, handle, 0);
595 if (ret) {
596 fprintf(stderr, "Illegal \"handle\"\n");
597 return -1;
598 }
599 }
600
601 tail = (struct rtattr *) (((void *) n) + NLMSG_ALIGN(n->nlmsg_len));
602 addattr_l(n, MAX_MSG, TCA_OPTIONS, NULL, 0);
603
488b41d0
JHS		 604 if (argc == 0) {
605 /*at minimal we will match all ethertype packets */
606 goto parse_done;
607 }
608
30eb304e
JP		 609 while (argc > 0) {
610 if (matches(*argv, "classid") == 0 ||
611 matches(*argv, "flowid") == 0) {
32a121cb 612 unsigned int handle;
30eb304e
JP		 613
614 NEXT_ARG();
615 ret = get_tc_classid(&handle, *argv);
616 if (ret) {
617 fprintf(stderr, "Illegal \"classid\"\n");
618 return -1;
619 }
620 addattr_l(n, MAX_MSG, TCA_FLOWER_CLASSID, &handle, 4);
0d575c4d
AN		 621 } else if (matches(*argv, "hw_tc") == 0) {
622 unsigned int handle;
623 __u32 tc;
624 char *end;
625
626 NEXT_ARG();
627 tc = strtoul(*argv, &end, 0);
628 if (*end) {
629 fprintf(stderr, "Illegal TC index\n");
630 return -1;
631 }
632 if (tc >= TC_QOPT_MAX_QUEUE) {
633 fprintf(stderr, "TC index exceeds max range\n");
634 return -1;
635 }
636 handle = TC_H_MAKE(TC_H_MAJ(t->tcm_parent),
637 TC_H_MIN(tc + TC_H_MIN_PRIORITY));
638 addattr_l(n, MAX_MSG, TCA_FLOWER_CLASSID, &handle,
639 sizeof(handle));
08f66c80 640 } else if (matches(*argv, "ip_flags") == 0) {
22a8f019
PB		 641 NEXT_ARG();
642 ret = flower_parse_matching_flags(*argv,
08f66c80
PB		 643 FLOWER_IP_FLAGS,
644 &mtf,
645 &mtf_mask);
22a8f019 646 if (ret < 0) {
08f66c80 647 fprintf(stderr, "Illegal \"ip_flags\"\n");
22a8f019
PB		 648 return -1;
649 }
cfcabf18
AV		 650 } else if (matches(*argv, "skip_hw") == 0) {
651 flags |= TCA_CLS_FLAGS_SKIP_HW;
652 } else if (matches(*argv, "skip_sw") == 0) {
653 flags |= TCA_CLS_FLAGS_SKIP_SW;
30eb304e 654 } else if (matches(*argv, "indev") == 0) {
30eb304e 655 NEXT_ARG();
625df645
PS		 656 if (check_ifname(*argv))
657 invarg("\"indev\" not a valid ifname", *argv);
ee474849 658 addattrstrz(n, MAX_MSG, TCA_FLOWER_INDEV, *argv);
745d9172
HHZ		 659 } else if (matches(*argv, "vlan_id") == 0) {
660 __u16 vid;
661
662 NEXT_ARG();
663 if (eth_type != htons(ETH_P_8021Q)) {
512caeb2
SH		 664 fprintf(stderr,
665 "Can't set \"vlan_id\" if ethertype isn't 802.1Q\n");
745d9172
HHZ		 666 return -1;
667 }
668 ret = get_u16(&vid, *argv, 10);
669 if (ret < 0 || vid & ~0xfff) {
670 fprintf(stderr, "Illegal \"vlan_id\"\n");
671 return -1;
672 }
673 addattr16(n, MAX_MSG, TCA_FLOWER_KEY_VLAN_ID, vid);
674 } else if (matches(*argv, "vlan_prio") == 0) {
675 __u8 vlan_prio;
676
677 NEXT_ARG();
678 if (eth_type != htons(ETH_P_8021Q)) {
512caeb2
SH		 679 fprintf(stderr,
680 "Can't set \"vlan_prio\" if ethertype isn't 802.1Q\n");
745d9172
HHZ		 681 return -1;
682 }
683 ret = get_u8(&vlan_prio, *argv, 10);
684 if (ret < 0 || vlan_prio & ~0x7) {
685 fprintf(stderr, "Illegal \"vlan_prio\"\n");
686 return -1;
687 }
512caeb2
SH		 688 addattr8(n, MAX_MSG,
689 TCA_FLOWER_KEY_VLAN_PRIO, vlan_prio);
745d9172
HHZ		 690 } else if (matches(*argv, "vlan_ethtype") == 0) {
691 NEXT_ARG();
692 ret = flower_parse_vlan_eth_type(*argv, eth_type,
512caeb2
SH		 693 TCA_FLOWER_KEY_VLAN_ETH_TYPE,
694 &vlan_ethtype, n);
745d9172
HHZ		 695 if (ret < 0)
696 return -1;
7638ee13
BL		 697 } else if (matches(*argv, "mpls_label") == 0) {
698 __u32 label;
699
700 NEXT_ARG();
701 if (eth_type != htons(ETH_P_MPLS_UC) &&
702 eth_type != htons(ETH_P_MPLS_MC)) {
703 fprintf(stderr,
704 "Can't set \"mpls_label\" if ethertype isn't MPLS\n");
705 return -1;
706 }
707 ret = get_u32(&label, *argv, 10);
708 if (ret < 0 || label & ~(MPLS_LS_LABEL_MASK >> MPLS_LS_LABEL_SHIFT)) {
709 fprintf(stderr, "Illegal \"mpls_label\"\n");
710 return -1;
711 }
712 addattr32(n, MAX_MSG, TCA_FLOWER_KEY_MPLS_LABEL, label);
713 } else if (matches(*argv, "mpls_tc") == 0) {
714 __u8 tc;
715
716 NEXT_ARG();
717 if (eth_type != htons(ETH_P_MPLS_UC) &&
718 eth_type != htons(ETH_P_MPLS_MC)) {
719 fprintf(stderr,
720 "Can't set \"mpls_tc\" if ethertype isn't MPLS\n");
721 return -1;
722 }
723 ret = get_u8(&tc, *argv, 10);
724 if (ret < 0 || tc & ~(MPLS_LS_TC_MASK >> MPLS_LS_TC_SHIFT)) {
725 fprintf(stderr, "Illegal \"mpls_tc\"\n");
726 return -1;
727 }
728 addattr8(n, MAX_MSG, TCA_FLOWER_KEY_MPLS_TC, tc);
729 } else if (matches(*argv, "mpls_bos") == 0) {
730 __u8 bos;
731
732 NEXT_ARG();
733 if (eth_type != htons(ETH_P_MPLS_UC) &&
734 eth_type != htons(ETH_P_MPLS_MC)) {
735 fprintf(stderr,
736 "Can't set \"mpls_bos\" if ethertype isn't MPLS\n");
737 return -1;
738 }
739 ret = get_u8(&bos, *argv, 10);
740 if (ret < 0 || bos & ~(MPLS_LS_S_MASK >> MPLS_LS_S_SHIFT)) {
741 fprintf(stderr, "Illegal \"mpls_bos\"\n");
742 return -1;
743 }
744 addattr8(n, MAX_MSG, TCA_FLOWER_KEY_MPLS_BOS, bos);
745 } else if (matches(*argv, "mpls_ttl") == 0) {
746 __u8 ttl;
747
748 NEXT_ARG();
749 if (eth_type != htons(ETH_P_MPLS_UC) &&
750 eth_type != htons(ETH_P_MPLS_MC)) {
751 fprintf(stderr,
752 "Can't set \"mpls_ttl\" if ethertype isn't MPLS\n");
753 return -1;
754 }
755 ret = get_u8(&ttl, *argv, 10);
756 if (ret < 0 || ttl & ~(MPLS_LS_TTL_MASK >> MPLS_LS_TTL_SHIFT)) {
757 fprintf(stderr, "Illegal \"mpls_ttl\"\n");
758 return -1;
759 }
760 addattr8(n, MAX_MSG, TCA_FLOWER_KEY_MPLS_TTL, ttl);
30eb304e
JP		 761 } else if (matches(*argv, "dst_mac") == 0) {
762 NEXT_ARG();
763 ret = flower_parse_eth_addr(*argv,
764 TCA_FLOWER_KEY_ETH_DST,
765 TCA_FLOWER_KEY_ETH_DST_MASK,
766 n);
767 if (ret < 0) {
768 fprintf(stderr, "Illegal \"dst_mac\"\n");
769 return -1;
770 }
771 } else if (matches(*argv, "src_mac") == 0) {
772 NEXT_ARG();
773 ret = flower_parse_eth_addr(*argv,
774 TCA_FLOWER_KEY_ETH_SRC,
775 TCA_FLOWER_KEY_ETH_SRC_MASK,
776 n);
777 if (ret < 0) {
778 fprintf(stderr, "Illegal \"src_mac\"\n");
779 return -1;
780 }
30eb304e
JP		 781 } else if (matches(*argv, "ip_proto") == 0) {
782 NEXT_ARG();
745d9172
HHZ		 783 ret = flower_parse_ip_proto(*argv, vlan_ethtype ?
784 vlan_ethtype : eth_type,
30eb304e
JP		 785 TCA_FLOWER_KEY_IP_PROTO,
786 &ip_proto, n);
787 if (ret < 0) {
788 fprintf(stderr, "Illegal \"ip_proto\"\n");
789 return -1;
790 }
6ea2c2b1
OG		 791 } else if (matches(*argv, "ip_tos") == 0) {
792 NEXT_ARG();
793 ret = flower_parse_ip_tos_ttl(*argv,
794 TCA_FLOWER_KEY_IP_TOS,
795 TCA_FLOWER_KEY_IP_TOS_MASK,
796 n);
797 if (ret < 0) {
798 fprintf(stderr, "Illegal \"ip_tos\"\n");
799 return -1;
800 }
801 } else if (matches(*argv, "ip_ttl") == 0) {
802 NEXT_ARG();
803 ret = flower_parse_ip_tos_ttl(*argv,
804 TCA_FLOWER_KEY_IP_TTL,
805 TCA_FLOWER_KEY_IP_TTL_MASK,
806 n);
807 if (ret < 0) {
808 fprintf(stderr, "Illegal \"ip_ttl\"\n");
809 return -1;
810 }
30eb304e
JP		 811 } else if (matches(*argv, "dst_ip") == 0) {
812 NEXT_ARG();
745d9172
HHZ		 813 ret = flower_parse_ip_addr(*argv, vlan_ethtype ?
814 vlan_ethtype : eth_type,
30eb304e
JP		 815 TCA_FLOWER_KEY_IPV4_DST,
816 TCA_FLOWER_KEY_IPV4_DST_MASK,
817 TCA_FLOWER_KEY_IPV6_DST,
818 TCA_FLOWER_KEY_IPV6_DST_MASK,
819 n);
820 if (ret < 0) {
821 fprintf(stderr, "Illegal \"dst_ip\"\n");
822 return -1;
823 }
824 } else if (matches(*argv, "src_ip") == 0) {
825 NEXT_ARG();
745d9172
HHZ		 826 ret = flower_parse_ip_addr(*argv, vlan_ethtype ?
827 vlan_ethtype : eth_type,
30eb304e
JP		 828 TCA_FLOWER_KEY_IPV4_SRC,
829 TCA_FLOWER_KEY_IPV4_SRC_MASK,
830 TCA_FLOWER_KEY_IPV6_SRC,
831 TCA_FLOWER_KEY_IPV6_SRC_MASK,
832 n);
833 if (ret < 0) {
834 fprintf(stderr, "Illegal \"src_ip\"\n");
835 return -1;
836 }
837 } else if (matches(*argv, "dst_port") == 0) {
838 NEXT_ARG();
6910d656
SH		 839 ret = flower_parse_port(*argv, ip_proto,
840 FLOWER_ENDPOINT_DST, n);
30eb304e
JP		 841 if (ret < 0) {
842 fprintf(stderr, "Illegal \"dst_port\"\n");
843 return -1;
844 }
845 } else if (matches(*argv, "src_port") == 0) {
846 NEXT_ARG();
6910d656
SH		 847 ret = flower_parse_port(*argv, ip_proto,
848 FLOWER_ENDPOINT_SRC, n);
30eb304e
JP		 849 if (ret < 0) {
850 fprintf(stderr, "Illegal \"src_port\"\n");
851 return -1;
852 }
0c30d14d
JP		 853 } else if (matches(*argv, "tcp_flags") == 0) {
854 NEXT_ARG();
855 ret = flower_parse_tcp_flags(*argv,
856 TCA_FLOWER_KEY_TCP_FLAGS,
857 TCA_FLOWER_KEY_TCP_FLAGS_MASK,
858 n);
859 if (ret < 0) {
860 fprintf(stderr, "Illegal \"tcp_flags\"\n");
861 return -1;
862 }
eb3b5696
SH		 863 } else if (matches(*argv, "type") == 0) {
864 NEXT_ARG();
865 ret = flower_parse_icmp(*argv, eth_type, ip_proto,
866 FLOWER_ICMP_FIELD_TYPE, n);
867 if (ret < 0) {
868 fprintf(stderr, "Illegal \"icmp type\"\n");
869 return -1;
870 }
871 } else if (matches(*argv, "code") == 0) {
872 NEXT_ARG();
873 ret = flower_parse_icmp(*argv, eth_type, ip_proto,
874 FLOWER_ICMP_FIELD_CODE, n);
875 if (ret < 0) {
876 fprintf(stderr, "Illegal \"icmp code\"\n");
877 return -1;
878 }
f888f4e2
SH		 879 } else if (matches(*argv, "arp_tip") == 0) {
880 NEXT_ARG();
881 ret = flower_parse_arp_ip_addr(*argv, vlan_ethtype ?
882 vlan_ethtype : eth_type,
883 TCA_FLOWER_KEY_ARP_TIP,
884 TCA_FLOWER_KEY_ARP_TIP_MASK,
885 n);
886 if (ret < 0) {
887 fprintf(stderr, "Illegal \"arp_tip\"\n");
888 return -1;
889 }
890 } else if (matches(*argv, "arp_sip") == 0) {
891 NEXT_ARG();
892 ret = flower_parse_arp_ip_addr(*argv, vlan_ethtype ?
893 vlan_ethtype : eth_type,
894 TCA_FLOWER_KEY_ARP_SIP,
895 TCA_FLOWER_KEY_ARP_SIP_MASK,
896 n);
897 if (ret < 0) {
898 fprintf(stderr, "Illegal \"arp_sip\"\n");
899 return -1;
900 }
901 } else if (matches(*argv, "arp_op") == 0) {
902 NEXT_ARG();
903 ret = flower_parse_arp_op(*argv, vlan_ethtype ?
904 vlan_ethtype : eth_type,
905 TCA_FLOWER_KEY_ARP_OP,
906 TCA_FLOWER_KEY_ARP_OP_MASK,
907 n);
908 if (ret < 0) {
909 fprintf(stderr, "Illegal \"arp_op\"\n");
910 return -1;
911 }
912 } else if (matches(*argv, "arp_tha") == 0) {
913 NEXT_ARG();
914 ret = flower_parse_eth_addr(*argv,
915 TCA_FLOWER_KEY_ARP_THA,
916 TCA_FLOWER_KEY_ARP_THA_MASK,
917 n);
918 if (ret < 0) {
919 fprintf(stderr, "Illegal \"arp_tha\"\n");
920 return -1;
921 }
922 } else if (matches(*argv, "arp_sha") == 0) {
923 NEXT_ARG();
924 ret = flower_parse_eth_addr(*argv,
925 TCA_FLOWER_KEY_ARP_SHA,
926 TCA_FLOWER_KEY_ARP_SHA_MASK,
927 n);
928 if (ret < 0) {
929 fprintf(stderr, "Illegal \"arp_sha\"\n");
930 return -1;
931 }
bb9b63b1
AV		 932 } else if (matches(*argv, "enc_dst_ip") == 0) {
933 NEXT_ARG();
934 ret = flower_parse_ip_addr(*argv, 0,
935 TCA_FLOWER_KEY_ENC_IPV4_DST,
936 TCA_FLOWER_KEY_ENC_IPV4_DST_MASK,
937 TCA_FLOWER_KEY_ENC_IPV6_DST,
938 TCA_FLOWER_KEY_ENC_IPV6_DST_MASK,
939 n);
940 if (ret < 0) {
941 fprintf(stderr, "Illegal \"enc_dst_ip\"\n");
942 return -1;
943 }
944 } else if (matches(*argv, "enc_src_ip") == 0) {
945 NEXT_ARG();
946 ret = flower_parse_ip_addr(*argv, 0,
947 TCA_FLOWER_KEY_ENC_IPV4_SRC,
948 TCA_FLOWER_KEY_ENC_IPV4_SRC_MASK,
949 TCA_FLOWER_KEY_ENC_IPV6_SRC,
950 TCA_FLOWER_KEY_ENC_IPV6_SRC_MASK,
951 n);
952 if (ret < 0) {
953 fprintf(stderr, "Illegal \"enc_src_ip\"\n");
954 return -1;
955 }
956 } else if (matches(*argv, "enc_key_id") == 0) {
957 NEXT_ARG();
958 ret = flower_parse_key_id(*argv,
959 TCA_FLOWER_KEY_ENC_KEY_ID, n);
960 if (ret < 0) {
961 fprintf(stderr, "Illegal \"enc_key_id\"\n");
962 return -1;
963 }
41aa17ff
HHZ		 964 } else if (matches(*argv, "enc_dst_port") == 0) {
965 NEXT_ARG();
966 ret = flower_parse_enc_port(*argv,
967 TCA_FLOWER_KEY_ENC_UDP_DST_PORT, n);
968 if (ret < 0) {
969 fprintf(stderr, "Illegal \"enc_dst_port\"\n");
970 return -1;
971 }
30eb304e
JP		 972 } else if (matches(*argv, "action") == 0) {
973 NEXT_ARG();
974 ret = parse_action(&argc, &argv, TCA_FLOWER_ACT, n);
975 if (ret) {
976 fprintf(stderr, "Illegal \"action\"\n");
977 return -1;
978 }
979 continue;
980 } else if (strcmp(*argv, "help") == 0) {
981 explain();
982 return -1;
983 } else {
984 fprintf(stderr, "What is \"%s\"?\n", *argv);
985 explain();
986 return -1;
987 }
988 argc--; argv++;
989 }
990
488b41d0 991parse_done:
c85609b2
RD		 992 ret = addattr32(n, MAX_MSG, TCA_FLOWER_FLAGS, flags);
993 if (ret)
994 return ret;
cfcabf18 995
08f66c80
PB		 996 if (mtf_mask) {
997 ret = addattr32(n, MAX_MSG, TCA_FLOWER_KEY_FLAGS, htonl(mtf));
998 if (ret)
999 return ret;
1000
1001 ret = addattr32(n, MAX_MSG, TCA_FLOWER_KEY_FLAGS_MASK, htonl(mtf_mask));
1002 if (ret)
1003 return ret;
1004 }
1005
4f7d406f
BL		 1006 if (eth_type != htons(ETH_P_ALL)) {
1007 ret = addattr16(n, MAX_MSG, TCA_FLOWER_KEY_ETH_TYPE, eth_type);
1008 if (ret)
1009 return ret;
1010 }
488b41d0 1011
32a121cb 1012 tail->rta_len = (((void *)n)+n->nlmsg_len) - (void *)tail;
30eb304e
JP		 1013
1014 return 0;
1015}
1016
1017static int __mask_bits(char *addr, size_t len)
1018{
1019 int bits = 0;
1020 bool hole = false;
1021 int i;
1022 int j;
1023
1024 for (i = 0; i < len; i++, addr++) {
1025 for (j = 7; j >= 0; j--) {
1026 if (((*addr) >> j) & 0x1) {
1027 if (hole)
1028 return -1;
1029 bits++;
1030 } else if (bits) {
1031 hole = true;
1032 } else{
1033 return -1;
1034 }
1035 }
1036 }
1037 return bits;
1038}
1039
1040static void flower_print_eth_addr(FILE *f, char *name,
1041 struct rtattr *addr_attr,
1042 struct rtattr *mask_attr)
1043{
1044 SPRINT_BUF(b1);
1045 int bits;
1046
1047 if (!addr_attr || RTA_PAYLOAD(addr_attr) != ETH_ALEN)
1048 return;
1049 fprintf(f, "\n %s %s", name, ll_addr_n2a(RTA_DATA(addr_attr), ETH_ALEN,
1050 0, b1, sizeof(b1)));
1051 if (!mask_attr || RTA_PAYLOAD(mask_attr) != ETH_ALEN)
1052 return;
1053 bits = __mask_bits(RTA_DATA(mask_attr), ETH_ALEN);
1054 if (bits < 0)
1055 fprintf(f, "/%s", ll_addr_n2a(RTA_DATA(mask_attr), ETH_ALEN,
1056 0, b1, sizeof(b1)));
1057 else if (bits < ETH_ALEN * 8)
1058 fprintf(f, "/%d", bits);
1059}
1060
1061static void flower_print_eth_type(FILE *f, __be16 *p_eth_type,
1062 struct rtattr *eth_type_attr)
1063{
1064 __be16 eth_type;
1065
1066 if (!eth_type_attr)
1067 return;
1068
1069 eth_type = rta_getattr_u16(eth_type_attr);
1070 fprintf(f, "\n eth_type ");
1071 if (eth_type == htons(ETH_P_IP))
1072 fprintf(f, "ipv4");
1073 else if (eth_type == htons(ETH_P_IPV6))
1074 fprintf(f, "ipv6");
f888f4e2
SH		 1075 else if (eth_type == htons(ETH_P_ARP))
1076 fprintf(f, "arp");
1077 else if (eth_type == htons(ETH_P_RARP))
1078 fprintf(f, "rarp");
30eb304e
JP		 1079 else
1080 fprintf(f, "%04x", ntohs(eth_type));
1081 *p_eth_type = eth_type;
1082}
1083
1084static void flower_print_ip_proto(FILE *f, __u8 *p_ip_proto,
1085 struct rtattr *ip_proto_attr)
1086{
1087 __u8 ip_proto;
1088
1089 if (!ip_proto_attr)
1090 return;
1091
1092 ip_proto = rta_getattr_u8(ip_proto_attr);
1093 fprintf(f, "\n ip_proto ");
1094 if (ip_proto == IPPROTO_TCP)
1095 fprintf(f, "tcp");
1096 else if (ip_proto == IPPROTO_UDP)
1097 fprintf(f, "udp");
a1fb0d48
SH		 1098 else if (ip_proto == IPPROTO_SCTP)
1099 fprintf(f, "sctp");
eb3b5696
SH		 1100 else if (ip_proto == IPPROTO_ICMP)
1101 fprintf(f, "icmp");
1102 else if (ip_proto == IPPROTO_ICMPV6)
1103 fprintf(f, "icmpv6");
30eb304e
JP		 1104 else
1105 fprintf(f, "%02x", ip_proto);
1106 *p_ip_proto = ip_proto;
1107}
1108
6ea2c2b1
OG		 1109static void flower_print_ip_attr(FILE *f, char *name,
1110 struct rtattr *key_attr,
1111 struct rtattr *mask_attr)
1112{
1113 if (!key_attr)
1114 return;
1115
1116 fprintf(f, "\n %s %x", name, rta_getattr_u8(key_attr));
1117 if (!mask_attr)
1118 return;
1119 fprintf(f, "/%x", rta_getattr_u8(mask_attr));
1120}
1121
22a8f019 1122static void flower_print_matching_flags(FILE *f, char *name,
08f66c80 1123 enum flower_matching_flags type,
22a8f019
PB		 1124 struct rtattr *attr,
1125 struct rtattr *mask_attr)
1126{
08f66c80
PB		 1127 int i;
1128 int count = 0;
1129 __u32 mtf;
1130 __u32 mtf_mask;
1131
22a8f019
PB		 1132 if (!mask_attr || RTA_PAYLOAD(mask_attr) != 4)
1133 return;
1134
08f66c80
PB		 1135 mtf = ntohl(rta_getattr_u32(attr));
1136 mtf_mask = ntohl(rta_getattr_u32(mask_attr));
1137
1138 for (i = 0; i < ARRAY_SIZE(flags_str); i++) {
1139 if (type != flags_str[i].type)
1140 continue;
1141 if (mtf_mask & flags_str[i].flag) {
1142 if (++count == 1)
1143 fprintf(f, "\n %s ", name);
1144 else
1145 fprintf(f, "/");
1146
1147 if (mtf & flags_str[i].flag)
1148 fprintf(f, "%s", flags_str[i].string);
1149 else
1150 fprintf(f, "no%s", flags_str[i].string);
1151 }
1152 }
22a8f019
PB		 1153}
1154
30eb304e
JP		 1155static void flower_print_ip_addr(FILE *f, char *name, __be16 eth_type,
1156 struct rtattr *addr4_attr,
1157 struct rtattr *mask4_attr,
1158 struct rtattr *addr6_attr,
1159 struct rtattr *mask6_attr)
1160{
30eb304e
JP		 1161 struct rtattr *addr_attr;
1162 struct rtattr *mask_attr;
1163 int family;
1164 size_t len;
1165 int bits;
1166
1167 if (eth_type == htons(ETH_P_IP)) {
1168 family = AF_INET;
1169 addr_attr = addr4_attr;
1170 mask_attr = mask4_attr;
1171 len = 4;
1172 } else if (eth_type == htons(ETH_P_IPV6)) {
1173 family = AF_INET6;
1174 addr_attr = addr6_attr;
1175 mask_attr = mask6_attr;
1176 len = 16;
1177 } else {
1178 return;
1179 }
1180 if (!addr_attr || RTA_PAYLOAD(addr_attr) != len)
1181 return;
7faf1588 1182 fprintf(f, "\n %s %s", name, rt_addr_n2a_rta(family, addr_attr));
30eb304e
JP		 1183 if (!mask_attr || RTA_PAYLOAD(mask_attr) != len)
1184 return;
1185 bits = __mask_bits(RTA_DATA(mask_attr), len);
1186 if (bits < 0)
7faf1588 1187 fprintf(f, "/%s", rt_addr_n2a_rta(family, mask_attr));
30eb304e
JP		 1188 else if (bits < len * 8)
1189 fprintf(f, "/%d", bits);
1190}
f888f4e2
SH		 1191static void flower_print_ip4_addr(FILE *f, char *name,
1192 struct rtattr *addr_attr,
1193 struct rtattr *mask_attr)
1194{
1195 return flower_print_ip_addr(f, name, htons(ETH_P_IP),
1196 addr_attr, mask_attr, 0, 0);
1197}
30eb304e 1198
a1fb0d48 1199static void flower_print_port(FILE *f, char *name, struct rtattr *attr)
30eb304e 1200{
6bd5b80c
SH		 1201 if (attr)
1202 fprintf(f, "\n %s %d", name, rta_getattr_be16(attr));
30eb304e
JP		 1203}
1204
0c30d14d
JP		 1205static void flower_print_tcp_flags(FILE *f, char *name,
1206 struct rtattr *flags_attr,
1207 struct rtattr *mask_attr)
1208{
1209 if (!flags_attr)
1210 return;
1211 fprintf(f, "\n %s %x", name, rta_getattr_be16(flags_attr));
1212 if (!mask_attr)
1213 return;
1214 fprintf(f, "/%x", rta_getattr_be16(mask_attr));
1215}
1216
1217
bb9b63b1
AV		 1218static void flower_print_key_id(FILE *f, const char *name,
1219 struct rtattr *attr)
1220{
1221 if (attr)
1222 fprintf(f, "\n %s %d", name, rta_getattr_be32(attr));
1223}
1224
9d36e54f
SH		 1225static void flower_print_masked_u8(FILE *f, const char *name,
1226 struct rtattr *attr,
1227 struct rtattr *mask_attr,
1228 const char *(*value_to_str)(__u8 value))
f888f4e2 1229{
9d36e54f
SH		 1230 const char *value_str = NULL;
1231 __u8 value, mask;
f888f4e2 1232
9d36e54f 1233 if (!attr)
f888f4e2
SH		 1234 return;
1235
9d36e54f 1236 value = rta_getattr_u8(attr);
f888f4e2 1237 mask = mask_attr ? rta_getattr_u8(mask_attr) : UINT8_MAX;
9d36e54f
SH		 1238 if (mask == UINT8_MAX && value_to_str)
1239 value_str = value_to_str(value);
f888f4e2
SH		 1240
1241 fprintf(f, "\n %s ", name);
1242
9d36e54f
SH		 1243 if (value_str)
1244 fputs(value_str, f);
f888f4e2 1245 else
9d36e54f 1246 fprintf(f, "%d", value);
f888f4e2
SH		 1247
1248 if (mask != UINT8_MAX)
1249 fprintf(f, "/%d", mask);
1250}
1251
7638ee13
BL		 1252static void flower_print_u8(FILE *f, const char *name, struct rtattr *attr)
1253{
1254 flower_print_masked_u8(f, name, attr, NULL, NULL);
1255}
1256
1257static void flower_print_u32(FILE *f, const char *name, struct rtattr *attr)
1258{
7638ee13
BL		 1259 __u32 value;
1260
1261 if (!attr)
1262 return;
1263
1264 value = rta_getattr_u32(attr);
1265
1266 fprintf(f, "\n %s %d", name, value);
1267}
1268
9d36e54f
SH		 1269static void flower_print_arp_op(FILE *f, const char *name,
1270 struct rtattr *op_attr,
1271 struct rtattr *mask_attr)
1272{
1273 flower_print_masked_u8(f, name, op_attr, mask_attr,
1274 flower_print_arp_op_to_name);
1275}
1276
30eb304e
JP		 1277static int flower_print_opt(struct filter_util *qu, FILE *f,
1278 struct rtattr *opt, __u32 handle)
1279{
1280 struct rtattr *tb[TCA_FLOWER_MAX + 1];
6374961a 1281 int nl_type, nl_mask_type;
30eb304e
JP		 1282 __be16 eth_type = 0;
1283 __u8 ip_proto = 0xff;
1284
1285 if (!opt)
1286 return 0;
1287
1288 parse_rtattr_nested(tb, TCA_FLOWER_MAX, opt);
1289
1290 if (handle)
1291 fprintf(f, "handle 0x%x ", handle);
1292
1293 if (tb[TCA_FLOWER_CLASSID]) {
0d575c4d
AN		 1294 __u32 h = rta_getattr_u32(tb[TCA_FLOWER_CLASSID]);
1295
1296 if (TC_H_MIN(h) < TC_H_MIN_PRIORITY ||
1297 TC_H_MIN(h) > (TC_H_MIN_PRIORITY + TC_QOPT_MAX_QUEUE - 1)) {
1298 SPRINT_BUF(b1);
1299 fprintf(f, "classid %s ", sprint_tc_classid(h, b1));
1300 } else {
1301 fprintf(f, "hw_tc %u ",
1302 TC_H_MIN(h) - TC_H_MIN_PRIORITY);
1303 }
30eb304e
JP		 1304 }
1305
1306 if (tb[TCA_FLOWER_INDEV]) {
1307 struct rtattr *attr = tb[TCA_FLOWER_INDEV];
1308
1309 fprintf(f, "\n indev %s", rta_getattr_str(attr));
1310 }
1311
745d9172
HHZ		 1312 if (tb[TCA_FLOWER_KEY_VLAN_ID]) {
1313 struct rtattr *attr = tb[TCA_FLOWER_KEY_VLAN_ID];
1314
1315 fprintf(f, "\n vlan_id %d", rta_getattr_u16(attr));
1316 }
1317
1318 if (tb[TCA_FLOWER_KEY_VLAN_PRIO]) {
1319 struct rtattr *attr = tb[TCA_FLOWER_KEY_VLAN_PRIO];
1320
1321 fprintf(f, "\n vlan_prio %d", rta_getattr_u8(attr));
1322 }
1323
30eb304e
JP		 1324 flower_print_eth_addr(f, "dst_mac", tb[TCA_FLOWER_KEY_ETH_DST],
1325 tb[TCA_FLOWER_KEY_ETH_DST_MASK]);
1326 flower_print_eth_addr(f, "src_mac", tb[TCA_FLOWER_KEY_ETH_SRC],
1327 tb[TCA_FLOWER_KEY_ETH_SRC_MASK]);
1328
1329 flower_print_eth_type(f, &eth_type, tb[TCA_FLOWER_KEY_ETH_TYPE]);
1330 flower_print_ip_proto(f, &ip_proto, tb[TCA_FLOWER_KEY_IP_PROTO]);
1331
6ea2c2b1
OG		 1332 flower_print_ip_attr(f, "ip_tos", tb[TCA_FLOWER_KEY_IP_TOS],
1333 tb[TCA_FLOWER_KEY_IP_TOS_MASK]);
1334 flower_print_ip_attr(f, "ip_ttl", tb[TCA_FLOWER_KEY_IP_TTL],
1335 tb[TCA_FLOWER_KEY_IP_TTL_MASK]);
1336
7638ee13
BL		 1337 flower_print_u32(f, "mpls_label", tb[TCA_FLOWER_KEY_MPLS_LABEL]);
1338 flower_print_u8(f, "mpls_tc", tb[TCA_FLOWER_KEY_MPLS_TC]);
1339 flower_print_u8(f, "mpls_bos", tb[TCA_FLOWER_KEY_MPLS_BOS]);
1340 flower_print_u8(f, "mpls_ttl", tb[TCA_FLOWER_KEY_MPLS_TTL]);
1341
30eb304e
JP		 1342 flower_print_ip_addr(f, "dst_ip", eth_type,
1343 tb[TCA_FLOWER_KEY_IPV4_DST],
1344 tb[TCA_FLOWER_KEY_IPV4_DST_MASK],
1345 tb[TCA_FLOWER_KEY_IPV6_DST],
1346 tb[TCA_FLOWER_KEY_IPV6_DST_MASK]);
1347
1348 flower_print_ip_addr(f, "src_ip", eth_type,
1349 tb[TCA_FLOWER_KEY_IPV4_SRC],
1350 tb[TCA_FLOWER_KEY_IPV4_SRC_MASK],
1351 tb[TCA_FLOWER_KEY_IPV6_SRC],
1352 tb[TCA_FLOWER_KEY_IPV6_SRC_MASK]);
1353
b2141de1 1354 nl_type = flower_port_attr_type(ip_proto, FLOWER_ENDPOINT_DST);
6bd5b80c
SH		 1355 if (nl_type >= 0)
1356 flower_print_port(f, "dst_port", tb[nl_type]);
b2141de1 1357 nl_type = flower_port_attr_type(ip_proto, FLOWER_ENDPOINT_SRC);
6bd5b80c
SH		 1358 if (nl_type >= 0)
1359 flower_print_port(f, "src_port", tb[nl_type]);
30eb304e 1360
0c30d14d
JP		 1361 flower_print_tcp_flags(f, "tcp_flags", tb[TCA_FLOWER_KEY_TCP_FLAGS],
1362 tb[TCA_FLOWER_KEY_TCP_FLAGS_MASK]);
1363
81f6e5a7
SH		 1364 nl_type = flower_icmp_attr_type(eth_type, ip_proto,
1365 FLOWER_ICMP_FIELD_TYPE);
6374961a
SH		 1366 nl_mask_type = flower_icmp_attr_mask_type(eth_type, ip_proto,
1367 FLOWER_ICMP_FIELD_TYPE);
1368 if (nl_type >= 0 && nl_mask_type >= 0)
1369 flower_print_masked_u8(f, "icmp_type", tb[nl_type],
1370 tb[nl_mask_type], NULL);
1371
81f6e5a7
SH		 1372 nl_type = flower_icmp_attr_type(eth_type, ip_proto,
1373 FLOWER_ICMP_FIELD_CODE);
6374961a
SH		 1374 nl_mask_type = flower_icmp_attr_mask_type(eth_type, ip_proto,
1375 FLOWER_ICMP_FIELD_CODE);
1376 if (nl_type >= 0 && nl_mask_type >= 0)
1377 flower_print_masked_u8(f, "icmp_code", tb[nl_type],
1378 tb[nl_mask_type], NULL);
eb3b5696 1379
f888f4e2
SH		 1380 flower_print_ip4_addr(f, "arp_sip", tb[TCA_FLOWER_KEY_ARP_SIP],
1381 tb[TCA_FLOWER_KEY_ARP_SIP_MASK]);
1382 flower_print_ip4_addr(f, "arp_tip", tb[TCA_FLOWER_KEY_ARP_TIP],
1383 tb[TCA_FLOWER_KEY_ARP_TIP_MASK]);
1384 flower_print_arp_op(f, "arp_op", tb[TCA_FLOWER_KEY_ARP_OP],
1385 tb[TCA_FLOWER_KEY_ARP_OP_MASK]);
1386 flower_print_eth_addr(f, "arp_sha", tb[TCA_FLOWER_KEY_ARP_SHA],
1387 tb[TCA_FLOWER_KEY_ARP_SHA_MASK]);
1388 flower_print_eth_addr(f, "arp_tha", tb[TCA_FLOWER_KEY_ARP_THA],
1389 tb[TCA_FLOWER_KEY_ARP_THA_MASK]);
1390
bb9b63b1
AV		 1391 flower_print_ip_addr(f, "enc_dst_ip",
1392 tb[TCA_FLOWER_KEY_ENC_IPV4_DST_MASK] ?
1393 htons(ETH_P_IP) : htons(ETH_P_IPV6),
1394 tb[TCA_FLOWER_KEY_ENC_IPV4_DST],
1395 tb[TCA_FLOWER_KEY_ENC_IPV4_DST_MASK],
1396 tb[TCA_FLOWER_KEY_ENC_IPV6_DST],
1397 tb[TCA_FLOWER_KEY_ENC_IPV6_DST_MASK]);
1398
1399 flower_print_ip_addr(f, "enc_src_ip",
1400 tb[TCA_FLOWER_KEY_ENC_IPV4_SRC_MASK] ?
1401 htons(ETH_P_IP) : htons(ETH_P_IPV6),
1402 tb[TCA_FLOWER_KEY_ENC_IPV4_SRC],
1403 tb[TCA_FLOWER_KEY_ENC_IPV4_SRC_MASK],
1404 tb[TCA_FLOWER_KEY_ENC_IPV6_SRC],
1405 tb[TCA_FLOWER_KEY_ENC_IPV6_SRC_MASK]);
1406
1407 flower_print_key_id(f, "enc_key_id",
1408 tb[TCA_FLOWER_KEY_ENC_KEY_ID]);
1409
41aa17ff
HHZ		 1410 flower_print_port(f, "enc_dst_port",
1411 tb[TCA_FLOWER_KEY_ENC_UDP_DST_PORT]);
1412
08f66c80
PB		 1413 flower_print_matching_flags(f, "ip_flags",
1414 FLOWER_IP_FLAGS,
22a8f019
PB		 1415 tb[TCA_FLOWER_KEY_FLAGS],
1416 tb[TCA_FLOWER_KEY_FLAGS_MASK]);
1417
512caeb2 1418 if (tb[TCA_FLOWER_FLAGS]) {
cfcabf18
AV		 1419 __u32 flags = rta_getattr_u32(tb[TCA_FLOWER_FLAGS]);
1420
1421 if (flags & TCA_CLS_FLAGS_SKIP_HW)
1422 fprintf(f, "\n skip_hw");
1423 if (flags & TCA_CLS_FLAGS_SKIP_SW)
1424 fprintf(f, "\n skip_sw");
e57285b8
OG		 1425
1426 if (flags & TCA_CLS_FLAGS_IN_HW)
1427 fprintf(f, "\n in_hw");
1428 else if (flags & TCA_CLS_FLAGS_NOT_IN_HW)
1429 fprintf(f, "\n not_in_hw");
cfcabf18
AV		 1430 }
1431
512caeb2 1432 if (tb[TCA_FLOWER_ACT])
9e713525 1433 tc_print_action(f, tb[TCA_FLOWER_ACT], 0);
30eb304e
JP		 1434
1435 return 0;
1436}
1437
1438struct filter_util flower_filter_util = {
1439 .id = "flower",
1440 .parse_fopt = flower_parse_opt,
1441 .print_fopt = flower_print_opt,
1442};
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