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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 <string.h>
16 #include <net/if.h>
17 #include <linux/if_arp.h>
18 #include <linux/if_ether.h>
19 #include <linux/ip.h>
20 #include <linux/tc_act/tc_vlan.h>
21 #include <linux/mpls.h>
22
23 #include "utils.h"
24 #include "tc_util.h"
25 #include "rt_names.h"
26
27 enum flower_matching_flags {
28 FLOWER_IP_FLAGS,
29 };
30
31 enum flower_endpoint {
32 FLOWER_ENDPOINT_SRC,
33 FLOWER_ENDPOINT_DST
34 };
35
36 enum flower_icmp_field {
37 FLOWER_ICMP_FIELD_TYPE,
38 FLOWER_ICMP_FIELD_CODE
39 };
40
41 static void explain(void)
42 {
43 fprintf(stderr,
44 "Usage: ... flower [ MATCH-LIST ] [ verbose ]\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"
53 " cvlan_id VID |\n"
54 " cvlan_prio PRIORITY |\n"
55 " cvlan_ethtype [ ipv4 | ipv6 | ETH-TYPE ] |\n"
56 " dst_mac MASKED-LLADDR |\n"
57 " src_mac MASKED-LLADDR |\n"
58 " ip_proto [tcp | udp | sctp | icmp | icmpv6 | IP-PROTO ] |\n"
59 " ip_tos MASKED-IP_TOS |\n"
60 " ip_ttl MASKED-IP_TTL |\n"
61 " mpls_label LABEL |\n"
62 " mpls_tc TC |\n"
63 " mpls_bos BOS |\n"
64 " mpls_ttl TTL |\n"
65 " dst_ip PREFIX |\n"
66 " src_ip PREFIX |\n"
67 " dst_port PORT-NUMBER |\n"
68 " src_port PORT-NUMBER |\n"
69 " tcp_flags MASKED-TCP_FLAGS |\n"
70 " type MASKED-ICMP-TYPE |\n"
71 " code MASKED-ICMP-CODE |\n"
72 " arp_tip IPV4-PREFIX |\n"
73 " arp_sip IPV4-PREFIX |\n"
74 " arp_op [ request | reply | OP ] |\n"
75 " arp_tha MASKED-LLADDR |\n"
76 " arp_sha MASKED-LLADDR |\n"
77 " enc_dst_ip [ IPV4-ADDR | IPV6-ADDR ] |\n"
78 " enc_src_ip [ IPV4-ADDR | IPV6-ADDR ] |\n"
79 " enc_key_id [ KEY-ID ] |\n"
80 " enc_tos MASKED-IP_TOS |\n"
81 " enc_ttl MASKED-IP_TTL |\n"
82 " geneve_opts MASKED-OPTIONS |\n"
83 " ip_flags IP-FLAGS | \n"
84 " enc_dst_port [ port_number ] }\n"
85 " FILTERID := X:Y:Z\n"
86 " MASKED_LLADDR := { LLADDR | LLADDR/MASK | LLADDR/BITS }\n"
87 " ACTION-SPEC := ... look at individual actions\n"
88 "\n"
89 "NOTE: CLASSID, IP-PROTO are parsed as hexadecimal input.\n"
90 "NOTE: There can be only used one mask per one prio. If user needs\n"
91 " to specify different mask, he has to use different prio.\n");
92 }
93
94 static int flower_parse_eth_addr(char *str, int addr_type, int mask_type,
95 struct nlmsghdr *n)
96 {
97 int ret, err = -1;
98 char addr[ETH_ALEN], *slash;
99
100 slash = strchr(str, '/');
101 if (slash)
102 *slash = '\0';
103
104 ret = ll_addr_a2n(addr, sizeof(addr), str);
105 if (ret < 0)
106 goto err;
107 addattr_l(n, MAX_MSG, addr_type, addr, sizeof(addr));
108
109 if (slash) {
110 unsigned bits;
111
112 if (!get_unsigned(&bits, slash + 1, 10)) {
113 uint64_t mask;
114
115 /* Extra 16 bit shift to push mac address into
116 * high bits of uint64_t
117 */
118 mask = htonll(0xffffffffffffULL << (16 + 48 - bits));
119 memcpy(addr, &mask, ETH_ALEN);
120 } else {
121 ret = ll_addr_a2n(addr, sizeof(addr), slash + 1);
122 if (ret < 0)
123 goto err;
124 }
125 } else {
126 memset(addr, 0xff, ETH_ALEN);
127 }
128 addattr_l(n, MAX_MSG, mask_type, addr, sizeof(addr));
129
130 err = 0;
131 err:
132 if (slash)
133 *slash = '/';
134 return err;
135 }
136
137 static bool eth_type_vlan(__be16 ethertype)
138 {
139 return ethertype == htons(ETH_P_8021Q) ||
140 ethertype == htons(ETH_P_8021AD);
141 }
142
143 static int flower_parse_vlan_eth_type(char *str, __be16 eth_type, int type,
144 __be16 *p_vlan_eth_type,
145 struct nlmsghdr *n)
146 {
147 __be16 vlan_eth_type;
148
149 if (!eth_type_vlan(eth_type)) {
150 fprintf(stderr, "Can't set \"%s\" if ethertype isn't 802.1Q or 802.1AD\n",
151 type == TCA_FLOWER_KEY_VLAN_ETH_TYPE ? "vlan_ethtype" : "cvlan_ethtype");
152 return -1;
153 }
154
155 if (ll_proto_a2n(&vlan_eth_type, str))
156 invarg("invalid vlan_ethtype", str);
157 addattr16(n, MAX_MSG, type, vlan_eth_type);
158 *p_vlan_eth_type = vlan_eth_type;
159 return 0;
160 }
161
162 struct flag_to_string {
163 int flag;
164 enum flower_matching_flags type;
165 char *string;
166 };
167
168 static struct flag_to_string flags_str[] = {
169 { TCA_FLOWER_KEY_FLAGS_IS_FRAGMENT, FLOWER_IP_FLAGS, "frag" },
170 { TCA_FLOWER_KEY_FLAGS_FRAG_IS_FIRST, FLOWER_IP_FLAGS, "firstfrag" },
171 };
172
173 static int flower_parse_matching_flags(char *str,
174 enum flower_matching_flags type,
175 __u32 *mtf, __u32 *mtf_mask)
176 {
177 char *token;
178 bool no;
179 bool found;
180 int i;
181
182 token = strtok(str, "/");
183
184 while (token) {
185 if (!strncmp(token, "no", 2)) {
186 no = true;
187 token += 2;
188 } else
189 no = false;
190
191 found = false;
192 for (i = 0; i < ARRAY_SIZE(flags_str); i++) {
193 if (type != flags_str[i].type)
194 continue;
195
196 if (!strcmp(token, flags_str[i].string)) {
197 if (no)
198 *mtf &= ~flags_str[i].flag;
199 else
200 *mtf |= flags_str[i].flag;
201
202 *mtf_mask |= flags_str[i].flag;
203 found = true;
204 break;
205 }
206 }
207 if (!found)
208 return -1;
209
210 token = strtok(NULL, "/");
211 }
212
213 return 0;
214 }
215
216 static int flower_parse_ip_proto(char *str, __be16 eth_type, int type,
217 __u8 *p_ip_proto, struct nlmsghdr *n)
218 {
219 int ret;
220 __u8 ip_proto;
221
222 if (eth_type != htons(ETH_P_IP) && eth_type != htons(ETH_P_IPV6))
223 goto err;
224
225 if (matches(str, "tcp") == 0) {
226 ip_proto = IPPROTO_TCP;
227 } else if (matches(str, "udp") == 0) {
228 ip_proto = IPPROTO_UDP;
229 } else if (matches(str, "sctp") == 0) {
230 ip_proto = IPPROTO_SCTP;
231 } else if (matches(str, "icmp") == 0) {
232 if (eth_type != htons(ETH_P_IP))
233 goto err;
234 ip_proto = IPPROTO_ICMP;
235 } else if (matches(str, "icmpv6") == 0) {
236 if (eth_type != htons(ETH_P_IPV6))
237 goto err;
238 ip_proto = IPPROTO_ICMPV6;
239 } else {
240 ret = get_u8(&ip_proto, str, 16);
241 if (ret)
242 return -1;
243 }
244 addattr8(n, MAX_MSG, type, ip_proto);
245 *p_ip_proto = ip_proto;
246 return 0;
247
248 err:
249 fprintf(stderr, "Illegal \"eth_type\" for ip proto\n");
250 return -1;
251 }
252
253 static int __flower_parse_ip_addr(char *str, int family,
254 int addr4_type, int mask4_type,
255 int addr6_type, int mask6_type,
256 struct nlmsghdr *n)
257 {
258 int ret;
259 inet_prefix addr;
260 int bits;
261 int i;
262
263 ret = get_prefix(&addr, str, family);
264 if (ret)
265 return -1;
266
267 if (family && (addr.family != family)) {
268 fprintf(stderr, "Illegal \"eth_type\" for ip address\n");
269 return -1;
270 }
271
272 addattr_l(n, MAX_MSG, addr.family == AF_INET ? addr4_type : addr6_type,
273 addr.data, addr.bytelen);
274
275 memset(addr.data, 0xff, addr.bytelen);
276 bits = addr.bitlen;
277 for (i = 0; i < addr.bytelen / 4; i++) {
278 if (!bits) {
279 addr.data[i] = 0;
280 } else if (bits / 32 >= 1) {
281 bits -= 32;
282 } else {
283 addr.data[i] <<= 32 - bits;
284 addr.data[i] = htonl(addr.data[i]);
285 bits = 0;
286 }
287 }
288
289 addattr_l(n, MAX_MSG, addr.family == AF_INET ? mask4_type : mask6_type,
290 addr.data, addr.bytelen);
291
292 return 0;
293 }
294
295 static int flower_parse_ip_addr(char *str, __be16 eth_type,
296 int addr4_type, int mask4_type,
297 int addr6_type, int mask6_type,
298 struct nlmsghdr *n)
299 {
300 int family;
301
302 if (eth_type == htons(ETH_P_IP)) {
303 family = AF_INET;
304 } else if (eth_type == htons(ETH_P_IPV6)) {
305 family = AF_INET6;
306 } else if (!eth_type) {
307 family = AF_UNSPEC;
308 } else {
309 return -1;
310 }
311
312 return __flower_parse_ip_addr(str, family, addr4_type, mask4_type,
313 addr6_type, mask6_type, n);
314 }
315
316 static bool flower_eth_type_arp(__be16 eth_type)
317 {
318 return eth_type == htons(ETH_P_ARP) || eth_type == htons(ETH_P_RARP);
319 }
320
321 static int flower_parse_arp_ip_addr(char *str, __be16 eth_type,
322 int addr_type, int mask_type,
323 struct nlmsghdr *n)
324 {
325 if (!flower_eth_type_arp(eth_type))
326 return -1;
327
328 return __flower_parse_ip_addr(str, AF_INET, addr_type, mask_type,
329 TCA_FLOWER_UNSPEC, TCA_FLOWER_UNSPEC, n);
330 }
331
332 static int flower_parse_u8(char *str, int value_type, int mask_type,
333 int (*value_from_name)(const char *str,
334 __u8 *value),
335 bool (*value_validate)(__u8 value),
336 struct nlmsghdr *n)
337 {
338 char *slash;
339 int ret, err = -1;
340 __u8 value, mask;
341
342 slash = strchr(str, '/');
343 if (slash)
344 *slash = '\0';
345
346 ret = value_from_name ? value_from_name(str, &value) : -1;
347 if (ret < 0) {
348 ret = get_u8(&value, str, 10);
349 if (ret)
350 goto err;
351 }
352
353 if (value_validate && !value_validate(value))
354 goto err;
355
356 if (slash) {
357 ret = get_u8(&mask, slash + 1, 10);
358 if (ret)
359 goto err;
360 }
361 else {
362 mask = UINT8_MAX;
363 }
364
365 addattr8(n, MAX_MSG, value_type, value);
366 addattr8(n, MAX_MSG, mask_type, mask);
367
368 err = 0;
369 err:
370 if (slash)
371 *slash = '/';
372 return err;
373 }
374
375 static const char *flower_print_arp_op_to_name(__u8 op)
376 {
377 switch (op) {
378 case ARPOP_REQUEST:
379 return "request";
380 case ARPOP_REPLY:
381 return "reply";
382 default:
383 return NULL;
384 }
385 }
386
387 static int flower_arp_op_from_name(const char *name, __u8 *op)
388 {
389 if (!strcmp(name, "request"))
390 *op = ARPOP_REQUEST;
391 else if (!strcmp(name, "reply"))
392 *op = ARPOP_REPLY;
393 else
394 return -1;
395
396 return 0;
397 }
398
399 static bool flow_arp_op_validate(__u8 op)
400 {
401 return !op || op == ARPOP_REQUEST || op == ARPOP_REPLY;
402 }
403
404 static int flower_parse_arp_op(char *str, __be16 eth_type,
405 int op_type, int mask_type,
406 struct nlmsghdr *n)
407 {
408 if (!flower_eth_type_arp(eth_type))
409 return -1;
410
411 return flower_parse_u8(str, op_type, mask_type, flower_arp_op_from_name,
412 flow_arp_op_validate, n);
413 }
414
415 static int flower_icmp_attr_type(__be16 eth_type, __u8 ip_proto,
416 enum flower_icmp_field field)
417 {
418 if (eth_type == htons(ETH_P_IP) && ip_proto == IPPROTO_ICMP)
419 return field == FLOWER_ICMP_FIELD_CODE ?
420 TCA_FLOWER_KEY_ICMPV4_CODE :
421 TCA_FLOWER_KEY_ICMPV4_TYPE;
422 else if (eth_type == htons(ETH_P_IPV6) && ip_proto == IPPROTO_ICMPV6)
423 return field == FLOWER_ICMP_FIELD_CODE ?
424 TCA_FLOWER_KEY_ICMPV6_CODE :
425 TCA_FLOWER_KEY_ICMPV6_TYPE;
426
427 return -1;
428 }
429
430 static int flower_icmp_attr_mask_type(__be16 eth_type, __u8 ip_proto,
431 enum flower_icmp_field field)
432 {
433 if (eth_type == htons(ETH_P_IP) && ip_proto == IPPROTO_ICMP)
434 return field == FLOWER_ICMP_FIELD_CODE ?
435 TCA_FLOWER_KEY_ICMPV4_CODE_MASK :
436 TCA_FLOWER_KEY_ICMPV4_TYPE_MASK;
437 else if (eth_type == htons(ETH_P_IPV6) && ip_proto == IPPROTO_ICMPV6)
438 return field == FLOWER_ICMP_FIELD_CODE ?
439 TCA_FLOWER_KEY_ICMPV6_CODE_MASK :
440 TCA_FLOWER_KEY_ICMPV6_TYPE_MASK;
441
442 return -1;
443 }
444
445 static int flower_parse_icmp(char *str, __u16 eth_type, __u8 ip_proto,
446 enum flower_icmp_field field, struct nlmsghdr *n)
447 {
448 int value_type, mask_type;
449
450 value_type = flower_icmp_attr_type(eth_type, ip_proto, field);
451 mask_type = flower_icmp_attr_mask_type(eth_type, ip_proto, field);
452 if (value_type < 0 || mask_type < 0)
453 return -1;
454
455 return flower_parse_u8(str, value_type, mask_type, NULL, NULL, n);
456 }
457
458 static int flower_port_attr_type(__u8 ip_proto, enum flower_endpoint endpoint)
459 {
460 if (ip_proto == IPPROTO_TCP)
461 return endpoint == FLOWER_ENDPOINT_SRC ?
462 TCA_FLOWER_KEY_TCP_SRC :
463 TCA_FLOWER_KEY_TCP_DST;
464 else if (ip_proto == IPPROTO_UDP)
465 return endpoint == FLOWER_ENDPOINT_SRC ?
466 TCA_FLOWER_KEY_UDP_SRC :
467 TCA_FLOWER_KEY_UDP_DST;
468 else if (ip_proto == IPPROTO_SCTP)
469 return endpoint == FLOWER_ENDPOINT_SRC ?
470 TCA_FLOWER_KEY_SCTP_SRC :
471 TCA_FLOWER_KEY_SCTP_DST;
472 else
473 return -1;
474 }
475
476 static int flower_parse_port(char *str, __u8 ip_proto,
477 enum flower_endpoint endpoint,
478 struct nlmsghdr *n)
479 {
480 int ret;
481 int type;
482 __be16 port;
483
484 type = flower_port_attr_type(ip_proto, endpoint);
485 if (type < 0)
486 return -1;
487
488 ret = get_be16(&port, str, 10);
489 if (ret)
490 return -1;
491
492 addattr16(n, MAX_MSG, type, port);
493
494 return 0;
495 }
496
497 #define TCP_FLAGS_MAX_MASK 0xfff
498
499 static int flower_parse_tcp_flags(char *str, int flags_type, int mask_type,
500 struct nlmsghdr *n)
501 {
502 char *slash;
503 int ret, err = -1;
504 __u16 flags;
505
506 slash = strchr(str, '/');
507 if (slash)
508 *slash = '\0';
509
510 ret = get_u16(&flags, str, 16);
511 if (ret < 0 || flags & ~TCP_FLAGS_MAX_MASK)
512 goto err;
513
514 addattr16(n, MAX_MSG, flags_type, htons(flags));
515
516 if (slash) {
517 ret = get_u16(&flags, slash + 1, 16);
518 if (ret < 0 || flags & ~TCP_FLAGS_MAX_MASK)
519 goto err;
520 } else {
521 flags = TCP_FLAGS_MAX_MASK;
522 }
523 addattr16(n, MAX_MSG, mask_type, htons(flags));
524
525 err = 0;
526 err:
527 if (slash)
528 *slash = '/';
529 return err;
530 }
531
532 static int flower_parse_ip_tos_ttl(char *str, int key_type, int mask_type,
533 struct nlmsghdr *n)
534 {
535 char *slash;
536 int ret, err = -1;
537 __u8 tos_ttl;
538
539 slash = strchr(str, '/');
540 if (slash)
541 *slash = '\0';
542
543 ret = get_u8(&tos_ttl, str, 10);
544 if (ret < 0)
545 ret = get_u8(&tos_ttl, str, 16);
546 if (ret < 0)
547 goto err;
548
549 addattr8(n, MAX_MSG, key_type, tos_ttl);
550
551 if (slash) {
552 ret = get_u8(&tos_ttl, slash + 1, 16);
553 if (ret < 0)
554 goto err;
555 } else {
556 tos_ttl = 0xff;
557 }
558 addattr8(n, MAX_MSG, mask_type, tos_ttl);
559
560 err = 0;
561 err:
562 if (slash)
563 *slash = '/';
564 return err;
565 }
566
567 static int flower_parse_key_id(const char *str, int type, struct nlmsghdr *n)
568 {
569 int ret;
570 __be32 key_id;
571
572 ret = get_be32(&key_id, str, 10);
573 if (!ret)
574 addattr32(n, MAX_MSG, type, key_id);
575
576 return ret;
577 }
578
579 static int flower_parse_enc_port(char *str, int type, struct nlmsghdr *n)
580 {
581 int ret;
582 __be16 port;
583
584 ret = get_be16(&port, str, 10);
585 if (ret)
586 return -1;
587
588 addattr16(n, MAX_MSG, type, port);
589
590 return 0;
591 }
592
593 static int flower_parse_geneve_opts(char *str, struct nlmsghdr *n)
594 {
595 struct rtattr *nest;
596 char *token;
597 int i, err;
598
599 nest = addattr_nest(n, MAX_MSG, TCA_FLOWER_KEY_ENC_OPTS_GENEVE);
600
601 i = 1;
602 token = strsep(&str, ":");
603 while (token) {
604 switch (i) {
605 case TCA_FLOWER_KEY_ENC_OPT_GENEVE_CLASS:
606 {
607 __be16 opt_class;
608
609 if (!strlen(token))
610 break;
611 err = get_be16(&opt_class, token, 16);
612 if (err)
613 return err;
614
615 addattr16(n, MAX_MSG, i, opt_class);
616 break;
617 }
618 case TCA_FLOWER_KEY_ENC_OPT_GENEVE_TYPE:
619 {
620 __u8 opt_type;
621
622 if (!strlen(token))
623 break;
624 err = get_u8(&opt_type, token, 16);
625 if (err)
626 return err;
627
628 addattr8(n, MAX_MSG, i, opt_type);
629 break;
630 }
631 case TCA_FLOWER_KEY_ENC_OPT_GENEVE_DATA:
632 {
633 size_t token_len = strlen(token);
634 __u8 *opts;
635
636 if (!token_len)
637 break;
638 opts = malloc(token_len / 2);
639 if (!opts)
640 return -1;
641 if (hex2mem(token, opts, token_len / 2) < 0) {
642 free(opts);
643 return -1;
644 }
645 addattr_l(n, MAX_MSG, i, opts, token_len / 2);
646 free(opts);
647
648 break;
649 }
650 default:
651 fprintf(stderr, "Unknown \"geneve_opts\" type\n");
652 return -1;
653 }
654
655 token = strsep(&str, ":");
656 i++;
657 }
658 addattr_nest_end(n, nest);
659
660 return 0;
661 }
662
663 static int flower_parse_enc_opt_part(char *str, struct nlmsghdr *n)
664 {
665 char *token;
666 int err;
667
668 token = strsep(&str, ",");
669 while (token) {
670 err = flower_parse_geneve_opts(token, n);
671 if (err)
672 return err;
673
674 token = strsep(&str, ",");
675 }
676
677 return 0;
678 }
679
680 static int flower_check_enc_opt_key(char *key)
681 {
682 int key_len, col_cnt = 0;
683
684 key_len = strlen(key);
685 while ((key = strchr(key, ':'))) {
686 if (strlen(key) == key_len)
687 return -1;
688
689 key_len = strlen(key) - 1;
690 col_cnt++;
691 key++;
692 }
693
694 if (col_cnt != 2 || !key_len)
695 return -1;
696
697 return 0;
698 }
699
700 static int flower_parse_enc_opts(char *str, struct nlmsghdr *n)
701 {
702 char key[XATTR_SIZE_MAX], mask[XATTR_SIZE_MAX];
703 int data_len, key_len, mask_len, err;
704 char *token, *slash;
705 struct rtattr *nest;
706
707 key_len = 0;
708 mask_len = 0;
709 token = strsep(&str, ",");
710 while (token) {
711 slash = strchr(token, '/');
712 if (slash)
713 *slash = '\0';
714
715 if ((key_len + strlen(token) > XATTR_SIZE_MAX) ||
716 flower_check_enc_opt_key(token))
717 return -1;
718
719 strcpy(&key[key_len], token);
720 key_len += strlen(token) + 1;
721 key[key_len - 1] = ',';
722
723 if (!slash) {
724 /* Pad out mask when not provided */
725 if (mask_len + strlen(token) > XATTR_SIZE_MAX)
726 return -1;
727
728 data_len = strlen(rindex(token, ':'));
729 sprintf(&mask[mask_len], "ffff:ff:");
730 mask_len += 8;
731 memset(&mask[mask_len], 'f', data_len - 1);
732 mask_len += data_len;
733 mask[mask_len - 1] = ',';
734 token = strsep(&str, ",");
735 continue;
736 }
737
738 if (mask_len + strlen(slash + 1) > XATTR_SIZE_MAX)
739 return -1;
740
741 strcpy(&mask[mask_len], slash + 1);
742 mask_len += strlen(slash + 1) + 1;
743 mask[mask_len - 1] = ',';
744
745 *slash = '/';
746 token = strsep(&str, ",");
747 }
748 key[key_len - 1] = '\0';
749 mask[mask_len - 1] = '\0';
750
751 nest = addattr_nest(n, MAX_MSG, TCA_FLOWER_KEY_ENC_OPTS);
752 err = flower_parse_enc_opt_part(key, n);
753 if (err)
754 return err;
755 addattr_nest_end(n, nest);
756
757 nest = addattr_nest(n, MAX_MSG, TCA_FLOWER_KEY_ENC_OPTS_MASK);
758 err = flower_parse_enc_opt_part(mask, n);
759 if (err)
760 return err;
761 addattr_nest_end(n, nest);
762
763 return 0;
764 }
765
766 static int flower_parse_opt(struct filter_util *qu, char *handle,
767 int argc, char **argv, struct nlmsghdr *n)
768 {
769 int ret;
770 struct tcmsg *t = NLMSG_DATA(n);
771 struct rtattr *tail;
772 __be16 eth_type = TC_H_MIN(t->tcm_info);
773 __be16 vlan_ethtype = 0;
774 __be16 cvlan_ethtype = 0;
775 __u8 ip_proto = 0xff;
776 __u32 flags = 0;
777 __u32 mtf = 0;
778 __u32 mtf_mask = 0;
779
780 if (handle) {
781 ret = get_u32(&t->tcm_handle, handle, 0);
782 if (ret) {
783 fprintf(stderr, "Illegal \"handle\"\n");
784 return -1;
785 }
786 }
787
788 tail = (struct rtattr *) (((void *) n) + NLMSG_ALIGN(n->nlmsg_len));
789 addattr_l(n, MAX_MSG, TCA_OPTIONS, NULL, 0);
790
791 if (argc == 0) {
792 /*at minimal we will match all ethertype packets */
793 goto parse_done;
794 }
795
796 while (argc > 0) {
797 if (matches(*argv, "classid") == 0 ||
798 matches(*argv, "flowid") == 0) {
799 unsigned int handle;
800
801 NEXT_ARG();
802 ret = get_tc_classid(&handle, *argv);
803 if (ret) {
804 fprintf(stderr, "Illegal \"classid\"\n");
805 return -1;
806 }
807 addattr_l(n, MAX_MSG, TCA_FLOWER_CLASSID, &handle, 4);
808 } else if (matches(*argv, "hw_tc") == 0) {
809 unsigned int handle;
810 __u32 tc;
811 char *end;
812
813 NEXT_ARG();
814 tc = strtoul(*argv, &end, 0);
815 if (*end) {
816 fprintf(stderr, "Illegal TC index\n");
817 return -1;
818 }
819 if (tc >= TC_QOPT_MAX_QUEUE) {
820 fprintf(stderr, "TC index exceeds max range\n");
821 return -1;
822 }
823 handle = TC_H_MAKE(TC_H_MAJ(t->tcm_parent),
824 TC_H_MIN(tc + TC_H_MIN_PRIORITY));
825 addattr_l(n, MAX_MSG, TCA_FLOWER_CLASSID, &handle,
826 sizeof(handle));
827 } else if (matches(*argv, "ip_flags") == 0) {
828 NEXT_ARG();
829 ret = flower_parse_matching_flags(*argv,
830 FLOWER_IP_FLAGS,
831 &mtf,
832 &mtf_mask);
833 if (ret < 0) {
834 fprintf(stderr, "Illegal \"ip_flags\"\n");
835 return -1;
836 }
837 } else if (matches(*argv, "verbose") == 0) {
838 flags |= TCA_CLS_FLAGS_VERBOSE;
839 } else if (matches(*argv, "skip_hw") == 0) {
840 flags |= TCA_CLS_FLAGS_SKIP_HW;
841 } else if (matches(*argv, "skip_sw") == 0) {
842 flags |= TCA_CLS_FLAGS_SKIP_SW;
843 } else if (matches(*argv, "indev") == 0) {
844 NEXT_ARG();
845 if (check_ifname(*argv))
846 invarg("\"indev\" not a valid ifname", *argv);
847 addattrstrz(n, MAX_MSG, TCA_FLOWER_INDEV, *argv);
848 } else if (matches(*argv, "vlan_id") == 0) {
849 __u16 vid;
850
851 NEXT_ARG();
852 if (!eth_type_vlan(eth_type)) {
853 fprintf(stderr, "Can't set \"vlan_id\" if ethertype isn't 802.1Q or 802.1AD\n");
854 return -1;
855 }
856 ret = get_u16(&vid, *argv, 10);
857 if (ret < 0 || vid & ~0xfff) {
858 fprintf(stderr, "Illegal \"vlan_id\"\n");
859 return -1;
860 }
861 addattr16(n, MAX_MSG, TCA_FLOWER_KEY_VLAN_ID, vid);
862 } else if (matches(*argv, "vlan_prio") == 0) {
863 __u8 vlan_prio;
864
865 NEXT_ARG();
866 if (!eth_type_vlan(eth_type)) {
867 fprintf(stderr, "Can't set \"vlan_prio\" if ethertype isn't 802.1Q or 802.1AD\n");
868 return -1;
869 }
870 ret = get_u8(&vlan_prio, *argv, 10);
871 if (ret < 0 || vlan_prio & ~0x7) {
872 fprintf(stderr, "Illegal \"vlan_prio\"\n");
873 return -1;
874 }
875 addattr8(n, MAX_MSG,
876 TCA_FLOWER_KEY_VLAN_PRIO, vlan_prio);
877 } else if (matches(*argv, "vlan_ethtype") == 0) {
878 NEXT_ARG();
879 ret = flower_parse_vlan_eth_type(*argv, eth_type,
880 TCA_FLOWER_KEY_VLAN_ETH_TYPE,
881 &vlan_ethtype, n);
882 if (ret < 0)
883 return -1;
884 } else if (matches(*argv, "cvlan_id") == 0) {
885 __u16 vid;
886
887 NEXT_ARG();
888 if (!eth_type_vlan(vlan_ethtype)) {
889 fprintf(stderr, "Can't set \"cvlan_id\" if inner vlan ethertype isn't 802.1Q or 802.1AD\n");
890 return -1;
891 }
892 ret = get_u16(&vid, *argv, 10);
893 if (ret < 0 || vid & ~0xfff) {
894 fprintf(stderr, "Illegal \"cvlan_id\"\n");
895 return -1;
896 }
897 addattr16(n, MAX_MSG, TCA_FLOWER_KEY_CVLAN_ID, vid);
898 } else if (matches(*argv, "cvlan_prio") == 0) {
899 __u8 cvlan_prio;
900
901 NEXT_ARG();
902 if (!eth_type_vlan(vlan_ethtype)) {
903 fprintf(stderr, "Can't set \"cvlan_prio\" if inner vlan ethertype isn't 802.1Q or 802.1AD\n");
904 return -1;
905 }
906 ret = get_u8(&cvlan_prio, *argv, 10);
907 if (ret < 0 || cvlan_prio & ~0x7) {
908 fprintf(stderr, "Illegal \"cvlan_prio\"\n");
909 return -1;
910 }
911 addattr8(n, MAX_MSG,
912 TCA_FLOWER_KEY_CVLAN_PRIO, cvlan_prio);
913 } else if (matches(*argv, "cvlan_ethtype") == 0) {
914 NEXT_ARG();
915 ret = flower_parse_vlan_eth_type(*argv, vlan_ethtype,
916 TCA_FLOWER_KEY_CVLAN_ETH_TYPE,
917 &cvlan_ethtype, n);
918 if (ret < 0)
919 return -1;
920 } else if (matches(*argv, "mpls_label") == 0) {
921 __u32 label;
922
923 NEXT_ARG();
924 if (eth_type != htons(ETH_P_MPLS_UC) &&
925 eth_type != htons(ETH_P_MPLS_MC)) {
926 fprintf(stderr,
927 "Can't set \"mpls_label\" if ethertype isn't MPLS\n");
928 return -1;
929 }
930 ret = get_u32(&label, *argv, 10);
931 if (ret < 0 || label & ~(MPLS_LS_LABEL_MASK >> MPLS_LS_LABEL_SHIFT)) {
932 fprintf(stderr, "Illegal \"mpls_label\"\n");
933 return -1;
934 }
935 addattr32(n, MAX_MSG, TCA_FLOWER_KEY_MPLS_LABEL, label);
936 } else if (matches(*argv, "mpls_tc") == 0) {
937 __u8 tc;
938
939 NEXT_ARG();
940 if (eth_type != htons(ETH_P_MPLS_UC) &&
941 eth_type != htons(ETH_P_MPLS_MC)) {
942 fprintf(stderr,
943 "Can't set \"mpls_tc\" if ethertype isn't MPLS\n");
944 return -1;
945 }
946 ret = get_u8(&tc, *argv, 10);
947 if (ret < 0 || tc & ~(MPLS_LS_TC_MASK >> MPLS_LS_TC_SHIFT)) {
948 fprintf(stderr, "Illegal \"mpls_tc\"\n");
949 return -1;
950 }
951 addattr8(n, MAX_MSG, TCA_FLOWER_KEY_MPLS_TC, tc);
952 } else if (matches(*argv, "mpls_bos") == 0) {
953 __u8 bos;
954
955 NEXT_ARG();
956 if (eth_type != htons(ETH_P_MPLS_UC) &&
957 eth_type != htons(ETH_P_MPLS_MC)) {
958 fprintf(stderr,
959 "Can't set \"mpls_bos\" if ethertype isn't MPLS\n");
960 return -1;
961 }
962 ret = get_u8(&bos, *argv, 10);
963 if (ret < 0 || bos & ~(MPLS_LS_S_MASK >> MPLS_LS_S_SHIFT)) {
964 fprintf(stderr, "Illegal \"mpls_bos\"\n");
965 return -1;
966 }
967 addattr8(n, MAX_MSG, TCA_FLOWER_KEY_MPLS_BOS, bos);
968 } else if (matches(*argv, "mpls_ttl") == 0) {
969 __u8 ttl;
970
971 NEXT_ARG();
972 if (eth_type != htons(ETH_P_MPLS_UC) &&
973 eth_type != htons(ETH_P_MPLS_MC)) {
974 fprintf(stderr,
975 "Can't set \"mpls_ttl\" if ethertype isn't MPLS\n");
976 return -1;
977 }
978 ret = get_u8(&ttl, *argv, 10);
979 if (ret < 0 || ttl & ~(MPLS_LS_TTL_MASK >> MPLS_LS_TTL_SHIFT)) {
980 fprintf(stderr, "Illegal \"mpls_ttl\"\n");
981 return -1;
982 }
983 addattr8(n, MAX_MSG, TCA_FLOWER_KEY_MPLS_TTL, ttl);
984 } else if (matches(*argv, "dst_mac") == 0) {
985 NEXT_ARG();
986 ret = flower_parse_eth_addr(*argv,
987 TCA_FLOWER_KEY_ETH_DST,
988 TCA_FLOWER_KEY_ETH_DST_MASK,
989 n);
990 if (ret < 0) {
991 fprintf(stderr, "Illegal \"dst_mac\"\n");
992 return -1;
993 }
994 } else if (matches(*argv, "src_mac") == 0) {
995 NEXT_ARG();
996 ret = flower_parse_eth_addr(*argv,
997 TCA_FLOWER_KEY_ETH_SRC,
998 TCA_FLOWER_KEY_ETH_SRC_MASK,
999 n);
1000 if (ret < 0) {
1001 fprintf(stderr, "Illegal \"src_mac\"\n");
1002 return -1;
1003 }
1004 } else if (matches(*argv, "ip_proto") == 0) {
1005 NEXT_ARG();
1006 ret = flower_parse_ip_proto(*argv, cvlan_ethtype ?
1007 cvlan_ethtype : vlan_ethtype ?
1008 vlan_ethtype : eth_type,
1009 TCA_FLOWER_KEY_IP_PROTO,
1010 &ip_proto, n);
1011 if (ret < 0) {
1012 fprintf(stderr, "Illegal \"ip_proto\"\n");
1013 return -1;
1014 }
1015 } else if (matches(*argv, "ip_tos") == 0) {
1016 NEXT_ARG();
1017 ret = flower_parse_ip_tos_ttl(*argv,
1018 TCA_FLOWER_KEY_IP_TOS,
1019 TCA_FLOWER_KEY_IP_TOS_MASK,
1020 n);
1021 if (ret < 0) {
1022 fprintf(stderr, "Illegal \"ip_tos\"\n");
1023 return -1;
1024 }
1025 } else if (matches(*argv, "ip_ttl") == 0) {
1026 NEXT_ARG();
1027 ret = flower_parse_ip_tos_ttl(*argv,
1028 TCA_FLOWER_KEY_IP_TTL,
1029 TCA_FLOWER_KEY_IP_TTL_MASK,
1030 n);
1031 if (ret < 0) {
1032 fprintf(stderr, "Illegal \"ip_ttl\"\n");
1033 return -1;
1034 }
1035 } else if (matches(*argv, "dst_ip") == 0) {
1036 NEXT_ARG();
1037 ret = flower_parse_ip_addr(*argv, cvlan_ethtype ?
1038 cvlan_ethtype : vlan_ethtype ?
1039 vlan_ethtype : eth_type,
1040 TCA_FLOWER_KEY_IPV4_DST,
1041 TCA_FLOWER_KEY_IPV4_DST_MASK,
1042 TCA_FLOWER_KEY_IPV6_DST,
1043 TCA_FLOWER_KEY_IPV6_DST_MASK,
1044 n);
1045 if (ret < 0) {
1046 fprintf(stderr, "Illegal \"dst_ip\"\n");
1047 return -1;
1048 }
1049 } else if (matches(*argv, "src_ip") == 0) {
1050 NEXT_ARG();
1051 ret = flower_parse_ip_addr(*argv, cvlan_ethtype ?
1052 cvlan_ethtype : vlan_ethtype ?
1053 vlan_ethtype : eth_type,
1054 TCA_FLOWER_KEY_IPV4_SRC,
1055 TCA_FLOWER_KEY_IPV4_SRC_MASK,
1056 TCA_FLOWER_KEY_IPV6_SRC,
1057 TCA_FLOWER_KEY_IPV6_SRC_MASK,
1058 n);
1059 if (ret < 0) {
1060 fprintf(stderr, "Illegal \"src_ip\"\n");
1061 return -1;
1062 }
1063 } else if (matches(*argv, "dst_port") == 0) {
1064 NEXT_ARG();
1065 ret = flower_parse_port(*argv, ip_proto,
1066 FLOWER_ENDPOINT_DST, n);
1067 if (ret < 0) {
1068 fprintf(stderr, "Illegal \"dst_port\"\n");
1069 return -1;
1070 }
1071 } else if (matches(*argv, "src_port") == 0) {
1072 NEXT_ARG();
1073 ret = flower_parse_port(*argv, ip_proto,
1074 FLOWER_ENDPOINT_SRC, n);
1075 if (ret < 0) {
1076 fprintf(stderr, "Illegal \"src_port\"\n");
1077 return -1;
1078 }
1079 } else if (matches(*argv, "tcp_flags") == 0) {
1080 NEXT_ARG();
1081 ret = flower_parse_tcp_flags(*argv,
1082 TCA_FLOWER_KEY_TCP_FLAGS,
1083 TCA_FLOWER_KEY_TCP_FLAGS_MASK,
1084 n);
1085 if (ret < 0) {
1086 fprintf(stderr, "Illegal \"tcp_flags\"\n");
1087 return -1;
1088 }
1089 } else if (matches(*argv, "type") == 0) {
1090 NEXT_ARG();
1091 ret = flower_parse_icmp(*argv, eth_type, ip_proto,
1092 FLOWER_ICMP_FIELD_TYPE, n);
1093 if (ret < 0) {
1094 fprintf(stderr, "Illegal \"icmp type\"\n");
1095 return -1;
1096 }
1097 } else if (matches(*argv, "code") == 0) {
1098 NEXT_ARG();
1099 ret = flower_parse_icmp(*argv, eth_type, ip_proto,
1100 FLOWER_ICMP_FIELD_CODE, n);
1101 if (ret < 0) {
1102 fprintf(stderr, "Illegal \"icmp code\"\n");
1103 return -1;
1104 }
1105 } else if (matches(*argv, "arp_tip") == 0) {
1106 NEXT_ARG();
1107 ret = flower_parse_arp_ip_addr(*argv, vlan_ethtype ?
1108 vlan_ethtype : eth_type,
1109 TCA_FLOWER_KEY_ARP_TIP,
1110 TCA_FLOWER_KEY_ARP_TIP_MASK,
1111 n);
1112 if (ret < 0) {
1113 fprintf(stderr, "Illegal \"arp_tip\"\n");
1114 return -1;
1115 }
1116 } else if (matches(*argv, "arp_sip") == 0) {
1117 NEXT_ARG();
1118 ret = flower_parse_arp_ip_addr(*argv, vlan_ethtype ?
1119 vlan_ethtype : eth_type,
1120 TCA_FLOWER_KEY_ARP_SIP,
1121 TCA_FLOWER_KEY_ARP_SIP_MASK,
1122 n);
1123 if (ret < 0) {
1124 fprintf(stderr, "Illegal \"arp_sip\"\n");
1125 return -1;
1126 }
1127 } else if (matches(*argv, "arp_op") == 0) {
1128 NEXT_ARG();
1129 ret = flower_parse_arp_op(*argv, vlan_ethtype ?
1130 vlan_ethtype : eth_type,
1131 TCA_FLOWER_KEY_ARP_OP,
1132 TCA_FLOWER_KEY_ARP_OP_MASK,
1133 n);
1134 if (ret < 0) {
1135 fprintf(stderr, "Illegal \"arp_op\"\n");
1136 return -1;
1137 }
1138 } else if (matches(*argv, "arp_tha") == 0) {
1139 NEXT_ARG();
1140 ret = flower_parse_eth_addr(*argv,
1141 TCA_FLOWER_KEY_ARP_THA,
1142 TCA_FLOWER_KEY_ARP_THA_MASK,
1143 n);
1144 if (ret < 0) {
1145 fprintf(stderr, "Illegal \"arp_tha\"\n");
1146 return -1;
1147 }
1148 } else if (matches(*argv, "arp_sha") == 0) {
1149 NEXT_ARG();
1150 ret = flower_parse_eth_addr(*argv,
1151 TCA_FLOWER_KEY_ARP_SHA,
1152 TCA_FLOWER_KEY_ARP_SHA_MASK,
1153 n);
1154 if (ret < 0) {
1155 fprintf(stderr, "Illegal \"arp_sha\"\n");
1156 return -1;
1157 }
1158 } else if (matches(*argv, "enc_dst_ip") == 0) {
1159 NEXT_ARG();
1160 ret = flower_parse_ip_addr(*argv, 0,
1161 TCA_FLOWER_KEY_ENC_IPV4_DST,
1162 TCA_FLOWER_KEY_ENC_IPV4_DST_MASK,
1163 TCA_FLOWER_KEY_ENC_IPV6_DST,
1164 TCA_FLOWER_KEY_ENC_IPV6_DST_MASK,
1165 n);
1166 if (ret < 0) {
1167 fprintf(stderr, "Illegal \"enc_dst_ip\"\n");
1168 return -1;
1169 }
1170 } else if (matches(*argv, "enc_src_ip") == 0) {
1171 NEXT_ARG();
1172 ret = flower_parse_ip_addr(*argv, 0,
1173 TCA_FLOWER_KEY_ENC_IPV4_SRC,
1174 TCA_FLOWER_KEY_ENC_IPV4_SRC_MASK,
1175 TCA_FLOWER_KEY_ENC_IPV6_SRC,
1176 TCA_FLOWER_KEY_ENC_IPV6_SRC_MASK,
1177 n);
1178 if (ret < 0) {
1179 fprintf(stderr, "Illegal \"enc_src_ip\"\n");
1180 return -1;
1181 }
1182 } else if (matches(*argv, "enc_key_id") == 0) {
1183 NEXT_ARG();
1184 ret = flower_parse_key_id(*argv,
1185 TCA_FLOWER_KEY_ENC_KEY_ID, n);
1186 if (ret < 0) {
1187 fprintf(stderr, "Illegal \"enc_key_id\"\n");
1188 return -1;
1189 }
1190 } else if (matches(*argv, "enc_dst_port") == 0) {
1191 NEXT_ARG();
1192 ret = flower_parse_enc_port(*argv,
1193 TCA_FLOWER_KEY_ENC_UDP_DST_PORT, n);
1194 if (ret < 0) {
1195 fprintf(stderr, "Illegal \"enc_dst_port\"\n");
1196 return -1;
1197 }
1198 } else if (matches(*argv, "enc_tos") == 0) {
1199 NEXT_ARG();
1200 ret = flower_parse_ip_tos_ttl(*argv,
1201 TCA_FLOWER_KEY_ENC_IP_TOS,
1202 TCA_FLOWER_KEY_ENC_IP_TOS_MASK,
1203 n);
1204 if (ret < 0) {
1205 fprintf(stderr, "Illegal \"enc_tos\"\n");
1206 return -1;
1207 }
1208 } else if (matches(*argv, "enc_ttl") == 0) {
1209 NEXT_ARG();
1210 ret = flower_parse_ip_tos_ttl(*argv,
1211 TCA_FLOWER_KEY_ENC_IP_TTL,
1212 TCA_FLOWER_KEY_ENC_IP_TTL_MASK,
1213 n);
1214 if (ret < 0) {
1215 fprintf(stderr, "Illegal \"enc_ttl\"\n");
1216 return -1;
1217 }
1218 } else if (matches(*argv, "geneve_opts") == 0) {
1219 NEXT_ARG();
1220 ret = flower_parse_enc_opts(*argv, n);
1221 if (ret < 0) {
1222 fprintf(stderr, "Illegal \"geneve_opts\"\n");
1223 return -1;
1224 }
1225 } else if (matches(*argv, "action") == 0) {
1226 NEXT_ARG();
1227 ret = parse_action(&argc, &argv, TCA_FLOWER_ACT, n);
1228 if (ret) {
1229 fprintf(stderr, "Illegal \"action\"\n");
1230 return -1;
1231 }
1232 continue;
1233 } else if (strcmp(*argv, "help") == 0) {
1234 explain();
1235 return -1;
1236 } else {
1237 fprintf(stderr, "What is \"%s\"?\n", *argv);
1238 explain();
1239 return -1;
1240 }
1241 argc--; argv++;
1242 }
1243
1244 parse_done:
1245 ret = addattr32(n, MAX_MSG, TCA_FLOWER_FLAGS, flags);
1246 if (ret)
1247 return ret;
1248
1249 if (mtf_mask) {
1250 ret = addattr32(n, MAX_MSG, TCA_FLOWER_KEY_FLAGS, htonl(mtf));
1251 if (ret)
1252 return ret;
1253
1254 ret = addattr32(n, MAX_MSG, TCA_FLOWER_KEY_FLAGS_MASK, htonl(mtf_mask));
1255 if (ret)
1256 return ret;
1257 }
1258
1259 if (eth_type != htons(ETH_P_ALL)) {
1260 ret = addattr16(n, MAX_MSG, TCA_FLOWER_KEY_ETH_TYPE, eth_type);
1261 if (ret)
1262 return ret;
1263 }
1264
1265 tail->rta_len = (((void *)n)+n->nlmsg_len) - (void *)tail;
1266
1267 return 0;
1268 }
1269
1270 static int __mask_bits(char *addr, size_t len)
1271 {
1272 int bits = 0;
1273 bool hole = false;
1274 int i;
1275 int j;
1276
1277 for (i = 0; i < len; i++, addr++) {
1278 for (j = 7; j >= 0; j--) {
1279 if (((*addr) >> j) & 0x1) {
1280 if (hole)
1281 return -1;
1282 bits++;
1283 } else if (bits) {
1284 hole = true;
1285 } else{
1286 return -1;
1287 }
1288 }
1289 }
1290 return bits;
1291 }
1292
1293 static void flower_print_eth_addr(char *name, struct rtattr *addr_attr,
1294 struct rtattr *mask_attr)
1295 {
1296 SPRINT_BUF(namefrm);
1297 SPRINT_BUF(out);
1298 SPRINT_BUF(b1);
1299 size_t done;
1300 int bits;
1301
1302 if (!addr_attr || RTA_PAYLOAD(addr_attr) != ETH_ALEN)
1303 return;
1304 done = sprintf(out, "%s",
1305 ll_addr_n2a(RTA_DATA(addr_attr), ETH_ALEN,
1306 0, b1, sizeof(b1)));
1307 if (mask_attr && RTA_PAYLOAD(mask_attr) == ETH_ALEN) {
1308 bits = __mask_bits(RTA_DATA(mask_attr), ETH_ALEN);
1309 if (bits < 0)
1310 sprintf(out + done, "/%s",
1311 ll_addr_n2a(RTA_DATA(mask_attr), ETH_ALEN,
1312 0, b1, sizeof(b1)));
1313 else if (bits < ETH_ALEN * 8)
1314 sprintf(out + done, "/%d", bits);
1315 }
1316
1317 sprintf(namefrm, "\n %s %%s", name);
1318 print_string(PRINT_ANY, name, namefrm, out);
1319 }
1320
1321 static void flower_print_eth_type(__be16 *p_eth_type,
1322 struct rtattr *eth_type_attr)
1323 {
1324 SPRINT_BUF(out);
1325 __be16 eth_type;
1326
1327 if (!eth_type_attr)
1328 return;
1329
1330 eth_type = rta_getattr_u16(eth_type_attr);
1331 if (eth_type == htons(ETH_P_IP))
1332 sprintf(out, "ipv4");
1333 else if (eth_type == htons(ETH_P_IPV6))
1334 sprintf(out, "ipv6");
1335 else if (eth_type == htons(ETH_P_ARP))
1336 sprintf(out, "arp");
1337 else if (eth_type == htons(ETH_P_RARP))
1338 sprintf(out, "rarp");
1339 else
1340 sprintf(out, "%04x", ntohs(eth_type));
1341
1342 print_string(PRINT_ANY, "eth_type", "\n eth_type %s", out);
1343 *p_eth_type = eth_type;
1344 }
1345
1346 static void flower_print_ip_proto(__u8 *p_ip_proto,
1347 struct rtattr *ip_proto_attr)
1348 {
1349 SPRINT_BUF(out);
1350 __u8 ip_proto;
1351
1352 if (!ip_proto_attr)
1353 return;
1354
1355 ip_proto = rta_getattr_u8(ip_proto_attr);
1356 if (ip_proto == IPPROTO_TCP)
1357 sprintf(out, "tcp");
1358 else if (ip_proto == IPPROTO_UDP)
1359 sprintf(out, "udp");
1360 else if (ip_proto == IPPROTO_SCTP)
1361 sprintf(out, "sctp");
1362 else if (ip_proto == IPPROTO_ICMP)
1363 sprintf(out, "icmp");
1364 else if (ip_proto == IPPROTO_ICMPV6)
1365 sprintf(out, "icmpv6");
1366 else
1367 sprintf(out, "%02x", ip_proto);
1368
1369 print_string(PRINT_ANY, "ip_proto", "\n ip_proto %s", out);
1370 *p_ip_proto = ip_proto;
1371 }
1372
1373 static void flower_print_ip_attr(const char *name, struct rtattr *key_attr,
1374 struct rtattr *mask_attr)
1375 {
1376 SPRINT_BUF(namefrm);
1377 SPRINT_BUF(out);
1378 size_t done;
1379
1380 if (!key_attr)
1381 return;
1382
1383 done = sprintf(out, "0x%x", rta_getattr_u8(key_attr));
1384 if (mask_attr)
1385 sprintf(out + done, "/%x", rta_getattr_u8(mask_attr));
1386
1387 print_string(PRINT_FP, NULL, "%s ", _SL_);
1388 sprintf(namefrm, "%s %%s", name);
1389 print_string(PRINT_ANY, name, namefrm, out);
1390 }
1391
1392 static void flower_print_matching_flags(char *name,
1393 enum flower_matching_flags type,
1394 struct rtattr *attr,
1395 struct rtattr *mask_attr)
1396 {
1397 int i;
1398 int count = 0;
1399 __u32 mtf;
1400 __u32 mtf_mask;
1401
1402 if (!mask_attr || RTA_PAYLOAD(mask_attr) != 4)
1403 return;
1404
1405 mtf = ntohl(rta_getattr_u32(attr));
1406 mtf_mask = ntohl(rta_getattr_u32(mask_attr));
1407
1408 for (i = 0; i < ARRAY_SIZE(flags_str); i++) {
1409 if (type != flags_str[i].type)
1410 continue;
1411 if (mtf_mask & flags_str[i].flag) {
1412 if (++count == 1) {
1413 print_string(PRINT_FP, NULL, "\n %s ", name);
1414 open_json_object(name);
1415 } else {
1416 print_string(PRINT_FP, NULL, "/", NULL);
1417 }
1418
1419 print_bool(PRINT_JSON, flags_str[i].string, NULL,
1420 mtf & flags_str[i].flag);
1421 if (mtf & flags_str[i].flag)
1422 print_string(PRINT_FP, NULL, "%s",
1423 flags_str[i].string);
1424 else
1425 print_string(PRINT_FP, NULL, "no%s",
1426 flags_str[i].string);
1427 }
1428 }
1429 if (count)
1430 close_json_object();
1431 }
1432
1433 static void flower_print_ip_addr(char *name, __be16 eth_type,
1434 struct rtattr *addr4_attr,
1435 struct rtattr *mask4_attr,
1436 struct rtattr *addr6_attr,
1437 struct rtattr *mask6_attr)
1438 {
1439 struct rtattr *addr_attr;
1440 struct rtattr *mask_attr;
1441 SPRINT_BUF(namefrm);
1442 SPRINT_BUF(out);
1443 size_t done;
1444 int family;
1445 size_t len;
1446 int bits;
1447
1448 if (eth_type == htons(ETH_P_IP)) {
1449 family = AF_INET;
1450 addr_attr = addr4_attr;
1451 mask_attr = mask4_attr;
1452 len = 4;
1453 } else if (eth_type == htons(ETH_P_IPV6)) {
1454 family = AF_INET6;
1455 addr_attr = addr6_attr;
1456 mask_attr = mask6_attr;
1457 len = 16;
1458 } else {
1459 return;
1460 }
1461 if (!addr_attr || RTA_PAYLOAD(addr_attr) != len)
1462 return;
1463 if (!mask_attr || RTA_PAYLOAD(mask_attr) != len)
1464 return;
1465 done = sprintf(out, "%s", rt_addr_n2a_rta(family, addr_attr));
1466 bits = __mask_bits(RTA_DATA(mask_attr), len);
1467 if (bits < 0)
1468 sprintf(out + done, "/%s", rt_addr_n2a_rta(family, mask_attr));
1469 else if (bits < len * 8)
1470 sprintf(out + done, "/%d", bits);
1471
1472 sprintf(namefrm, "\n %s %%s", name);
1473 print_string(PRINT_ANY, name, namefrm, out);
1474 }
1475 static void flower_print_ip4_addr(char *name, struct rtattr *addr_attr,
1476 struct rtattr *mask_attr)
1477 {
1478 return flower_print_ip_addr(name, htons(ETH_P_IP),
1479 addr_attr, mask_attr, 0, 0);
1480 }
1481
1482 static void flower_print_port(char *name, struct rtattr *attr)
1483 {
1484 SPRINT_BUF(namefrm);
1485
1486 if (!attr)
1487 return;
1488
1489 sprintf(namefrm,"\n %s %%u", name);
1490 print_hu(PRINT_ANY, name, namefrm, rta_getattr_be16(attr));
1491 }
1492
1493 static void flower_print_tcp_flags(const char *name, struct rtattr *flags_attr,
1494 struct rtattr *mask_attr)
1495 {
1496 SPRINT_BUF(namefrm);
1497 SPRINT_BUF(out);
1498 size_t done;
1499
1500 if (!flags_attr)
1501 return;
1502
1503 done = sprintf(out, "0x%x", rta_getattr_be16(flags_attr));
1504 if (mask_attr)
1505 sprintf(out + done, "/%x", rta_getattr_be16(mask_attr));
1506
1507 print_string(PRINT_FP, NULL, "%s ", _SL_);
1508 sprintf(namefrm, "%s %%s", name);
1509 print_string(PRINT_ANY, name, namefrm, out);
1510 }
1511
1512
1513 static void flower_print_key_id(const char *name, struct rtattr *attr)
1514 {
1515 SPRINT_BUF(namefrm);
1516
1517 if (!attr)
1518 return;
1519
1520 sprintf(namefrm,"\n %s %%u", name);
1521 print_uint(PRINT_ANY, name, namefrm, rta_getattr_be32(attr));
1522 }
1523
1524 static void flower_print_geneve_opts(const char *name, struct rtattr *attr,
1525 char *strbuf)
1526 {
1527 struct rtattr *tb[TCA_FLOWER_KEY_ENC_OPT_GENEVE_MAX + 1];
1528 int ii, data_len, offset = 0, slen = 0;
1529 struct rtattr *i = RTA_DATA(attr);
1530 int rem = RTA_PAYLOAD(attr);
1531 __u8 type, data_r[rem];
1532 char data[rem * 2 + 1];
1533 __u16 class;
1534
1535 open_json_array(PRINT_JSON, name);
1536 while (rem) {
1537 parse_rtattr(tb, TCA_FLOWER_KEY_ENC_OPT_GENEVE_MAX, i, rem);
1538 class = rta_getattr_be16(tb[TCA_FLOWER_KEY_ENC_OPT_GENEVE_CLASS]);
1539 type = rta_getattr_u8(tb[TCA_FLOWER_KEY_ENC_OPT_GENEVE_TYPE]);
1540 data_len = RTA_PAYLOAD(tb[TCA_FLOWER_KEY_ENC_OPT_GENEVE_DATA]);
1541 hexstring_n2a(RTA_DATA(tb[TCA_FLOWER_KEY_ENC_OPT_GENEVE_DATA]),
1542 data_len, data, sizeof(data));
1543 hex2mem(data, data_r, data_len);
1544 offset += data_len + 20;
1545 rem -= data_len + 20;
1546 i = RTA_DATA(attr) + offset;
1547
1548 open_json_object(NULL);
1549 print_uint(PRINT_JSON, "class", NULL, class);
1550 print_uint(PRINT_JSON, "type", NULL, type);
1551 open_json_array(PRINT_JSON, "data");
1552 for (ii = 0; ii < data_len; ii++)
1553 print_uint(PRINT_JSON, NULL, NULL, data_r[ii]);
1554 close_json_array(PRINT_JSON, "data");
1555 close_json_object();
1556
1557 slen += sprintf(strbuf + slen, "%04x:%02x:%s",
1558 class, type, data);
1559 if (rem)
1560 slen += sprintf(strbuf + slen, ",");
1561 }
1562 close_json_array(PRINT_JSON, name);
1563 }
1564
1565 static void flower_print_geneve_parts(const char *name, struct rtattr *attr,
1566 char *key, char *mask)
1567 {
1568 char *namefrm = "\n geneve_opt %s";
1569 char *key_token, *mask_token, *out;
1570 int len;
1571
1572 out = malloc(RTA_PAYLOAD(attr) * 4 + 3);
1573 if (!out)
1574 return;
1575
1576 len = 0;
1577 key_token = strsep(&key, ",");
1578 mask_token = strsep(&mask, ",");
1579 while (key_token) {
1580 len += sprintf(&out[len], "%s/%s,", key_token, mask_token);
1581 mask_token = strsep(&mask, ",");
1582 key_token = strsep(&key, ",");
1583 }
1584
1585 out[len - 1] = '\0';
1586 print_string(PRINT_FP, name, namefrm, out);
1587 free(out);
1588 }
1589
1590 static void flower_print_enc_opts(const char *name, struct rtattr *attr,
1591 struct rtattr *mask_attr)
1592 {
1593 struct rtattr *key_tb[TCA_FLOWER_KEY_ENC_OPTS_MAX + 1];
1594 struct rtattr *msk_tb[TCA_FLOWER_KEY_ENC_OPTS_MAX + 1];
1595 char *key, *msk;
1596
1597 if (!attr)
1598 return;
1599
1600 key = malloc(RTA_PAYLOAD(attr) * 2 + 1);
1601 if (!key)
1602 return;
1603
1604 msk = malloc(RTA_PAYLOAD(attr) * 2 + 1);
1605 if (!msk)
1606 goto err_key_free;
1607
1608 parse_rtattr_nested(key_tb, TCA_FLOWER_KEY_ENC_OPTS_MAX, attr);
1609 flower_print_geneve_opts("geneve_opt_key",
1610 key_tb[TCA_FLOWER_KEY_ENC_OPTS_GENEVE], key);
1611
1612 parse_rtattr_nested(msk_tb, TCA_FLOWER_KEY_ENC_OPTS_MAX, mask_attr);
1613 flower_print_geneve_opts("geneve_opt_mask",
1614 msk_tb[TCA_FLOWER_KEY_ENC_OPTS_GENEVE], msk);
1615
1616 flower_print_geneve_parts(name, attr, key, msk);
1617
1618 free(msk);
1619 err_key_free:
1620 free(key);
1621 }
1622
1623 static void flower_print_masked_u8(const char *name, struct rtattr *attr,
1624 struct rtattr *mask_attr,
1625 const char *(*value_to_str)(__u8 value))
1626 {
1627 const char *value_str = NULL;
1628 __u8 value, mask;
1629 SPRINT_BUF(namefrm);
1630 SPRINT_BUF(out);
1631 size_t done;
1632
1633 if (!attr)
1634 return;
1635
1636 value = rta_getattr_u8(attr);
1637 mask = mask_attr ? rta_getattr_u8(mask_attr) : UINT8_MAX;
1638 if (mask == UINT8_MAX && value_to_str)
1639 value_str = value_to_str(value);
1640
1641 if (value_str)
1642 done = sprintf(out, "%s", value_str);
1643 else
1644 done = sprintf(out, "%d", value);
1645
1646 if (mask != UINT8_MAX)
1647 sprintf(out + done, "/%d", mask);
1648
1649 sprintf(namefrm,"\n %s %%s", name);
1650 print_string(PRINT_ANY, name, namefrm, out);
1651 }
1652
1653 static void flower_print_u8(const char *name, struct rtattr *attr)
1654 {
1655 flower_print_masked_u8(name, attr, NULL, NULL);
1656 }
1657
1658 static void flower_print_u32(const char *name, struct rtattr *attr)
1659 {
1660 SPRINT_BUF(namefrm);
1661
1662 if (!attr)
1663 return;
1664
1665 sprintf(namefrm,"\n %s %%u", name);
1666 print_uint(PRINT_ANY, name, namefrm, rta_getattr_u32(attr));
1667 }
1668
1669 static void flower_print_arp_op(const char *name,
1670 struct rtattr *op_attr,
1671 struct rtattr *mask_attr)
1672 {
1673 flower_print_masked_u8(name, op_attr, mask_attr,
1674 flower_print_arp_op_to_name);
1675 }
1676
1677 static int flower_print_opt(struct filter_util *qu, FILE *f,
1678 struct rtattr *opt, __u32 handle)
1679 {
1680 struct rtattr *tb[TCA_FLOWER_MAX + 1];
1681 int nl_type, nl_mask_type;
1682 __be16 eth_type = 0;
1683 __u8 ip_proto = 0xff;
1684
1685 if (!opt)
1686 return 0;
1687
1688 parse_rtattr_nested(tb, TCA_FLOWER_MAX, opt);
1689
1690 if (handle)
1691 print_uint(PRINT_ANY, "handle", "handle 0x%x ", handle);
1692
1693 if (tb[TCA_FLOWER_CLASSID]) {
1694 __u32 h = rta_getattr_u32(tb[TCA_FLOWER_CLASSID]);
1695
1696 if (TC_H_MIN(h) < TC_H_MIN_PRIORITY ||
1697 TC_H_MIN(h) > (TC_H_MIN_PRIORITY + TC_QOPT_MAX_QUEUE - 1)) {
1698 SPRINT_BUF(b1);
1699 print_string(PRINT_ANY, "classid", "classid %s ",
1700 sprint_tc_classid(h, b1));
1701 } else {
1702 print_uint(PRINT_ANY, "hw_tc", "hw_tc %u ",
1703 TC_H_MIN(h) - TC_H_MIN_PRIORITY);
1704 }
1705 }
1706
1707 if (tb[TCA_FLOWER_INDEV]) {
1708 struct rtattr *attr = tb[TCA_FLOWER_INDEV];
1709
1710 print_string(PRINT_ANY, "indev", "\n indev %s",
1711 rta_getattr_str(attr));
1712 }
1713
1714 open_json_object("keys");
1715
1716 if (tb[TCA_FLOWER_KEY_VLAN_ID]) {
1717 struct rtattr *attr = tb[TCA_FLOWER_KEY_VLAN_ID];
1718
1719 print_uint(PRINT_ANY, "vlan_id", "\n vlan_id %u",
1720 rta_getattr_u16(attr));
1721 }
1722
1723 if (tb[TCA_FLOWER_KEY_VLAN_PRIO]) {
1724 struct rtattr *attr = tb[TCA_FLOWER_KEY_VLAN_PRIO];
1725
1726 print_uint(PRINT_ANY, "vlan_prio", "\n vlan_prio %d",
1727 rta_getattr_u8(attr));
1728 }
1729
1730 if (tb[TCA_FLOWER_KEY_VLAN_ETH_TYPE]) {
1731 SPRINT_BUF(buf);
1732 struct rtattr *attr = tb[TCA_FLOWER_KEY_VLAN_ETH_TYPE];
1733
1734 print_string(PRINT_ANY, "vlan_ethtype", "\n vlan_ethtype %s",
1735 ll_proto_n2a(rta_getattr_u16(attr),
1736 buf, sizeof(buf)));
1737 }
1738
1739 if (tb[TCA_FLOWER_KEY_CVLAN_ID]) {
1740 struct rtattr *attr = tb[TCA_FLOWER_KEY_CVLAN_ID];
1741
1742 print_uint(PRINT_ANY, "cvlan_id", "\n cvlan_id %u",
1743 rta_getattr_u16(attr));
1744 }
1745
1746 if (tb[TCA_FLOWER_KEY_CVLAN_PRIO]) {
1747 struct rtattr *attr = tb[TCA_FLOWER_KEY_CVLAN_PRIO];
1748
1749 print_uint(PRINT_ANY, "cvlan_prio", "\n cvlan_prio %d",
1750 rta_getattr_u8(attr));
1751 }
1752
1753 if (tb[TCA_FLOWER_KEY_CVLAN_ETH_TYPE]) {
1754 SPRINT_BUF(buf);
1755 struct rtattr *attr = tb[TCA_FLOWER_KEY_CVLAN_ETH_TYPE];
1756
1757 print_string(PRINT_ANY, "cvlan_ethtype", "\n cvlan_ethtype %s",
1758 ll_proto_n2a(rta_getattr_u16(attr),
1759 buf, sizeof(buf)));
1760 }
1761
1762 flower_print_eth_addr("dst_mac", tb[TCA_FLOWER_KEY_ETH_DST],
1763 tb[TCA_FLOWER_KEY_ETH_DST_MASK]);
1764 flower_print_eth_addr("src_mac", tb[TCA_FLOWER_KEY_ETH_SRC],
1765 tb[TCA_FLOWER_KEY_ETH_SRC_MASK]);
1766
1767 flower_print_eth_type(&eth_type, tb[TCA_FLOWER_KEY_ETH_TYPE]);
1768 flower_print_ip_proto(&ip_proto, tb[TCA_FLOWER_KEY_IP_PROTO]);
1769
1770 flower_print_ip_attr("ip_tos", tb[TCA_FLOWER_KEY_IP_TOS],
1771 tb[TCA_FLOWER_KEY_IP_TOS_MASK]);
1772 flower_print_ip_attr("ip_ttl", tb[TCA_FLOWER_KEY_IP_TTL],
1773 tb[TCA_FLOWER_KEY_IP_TTL_MASK]);
1774
1775 flower_print_u32("mpls_label", tb[TCA_FLOWER_KEY_MPLS_LABEL]);
1776 flower_print_u8("mpls_tc", tb[TCA_FLOWER_KEY_MPLS_TC]);
1777 flower_print_u8("mpls_bos", tb[TCA_FLOWER_KEY_MPLS_BOS]);
1778 flower_print_u8("mpls_ttl", tb[TCA_FLOWER_KEY_MPLS_TTL]);
1779
1780 flower_print_ip_addr("dst_ip", eth_type,
1781 tb[TCA_FLOWER_KEY_IPV4_DST],
1782 tb[TCA_FLOWER_KEY_IPV4_DST_MASK],
1783 tb[TCA_FLOWER_KEY_IPV6_DST],
1784 tb[TCA_FLOWER_KEY_IPV6_DST_MASK]);
1785
1786 flower_print_ip_addr("src_ip", eth_type,
1787 tb[TCA_FLOWER_KEY_IPV4_SRC],
1788 tb[TCA_FLOWER_KEY_IPV4_SRC_MASK],
1789 tb[TCA_FLOWER_KEY_IPV6_SRC],
1790 tb[TCA_FLOWER_KEY_IPV6_SRC_MASK]);
1791
1792 nl_type = flower_port_attr_type(ip_proto, FLOWER_ENDPOINT_DST);
1793 if (nl_type >= 0)
1794 flower_print_port("dst_port", tb[nl_type]);
1795 nl_type = flower_port_attr_type(ip_proto, FLOWER_ENDPOINT_SRC);
1796 if (nl_type >= 0)
1797 flower_print_port("src_port", tb[nl_type]);
1798
1799 flower_print_tcp_flags("tcp_flags", tb[TCA_FLOWER_KEY_TCP_FLAGS],
1800 tb[TCA_FLOWER_KEY_TCP_FLAGS_MASK]);
1801
1802 nl_type = flower_icmp_attr_type(eth_type, ip_proto,
1803 FLOWER_ICMP_FIELD_TYPE);
1804 nl_mask_type = flower_icmp_attr_mask_type(eth_type, ip_proto,
1805 FLOWER_ICMP_FIELD_TYPE);
1806 if (nl_type >= 0 && nl_mask_type >= 0)
1807 flower_print_masked_u8("icmp_type", tb[nl_type],
1808 tb[nl_mask_type], NULL);
1809
1810 nl_type = flower_icmp_attr_type(eth_type, ip_proto,
1811 FLOWER_ICMP_FIELD_CODE);
1812 nl_mask_type = flower_icmp_attr_mask_type(eth_type, ip_proto,
1813 FLOWER_ICMP_FIELD_CODE);
1814 if (nl_type >= 0 && nl_mask_type >= 0)
1815 flower_print_masked_u8("icmp_code", tb[nl_type],
1816 tb[nl_mask_type], NULL);
1817
1818 flower_print_ip4_addr("arp_sip", tb[TCA_FLOWER_KEY_ARP_SIP],
1819 tb[TCA_FLOWER_KEY_ARP_SIP_MASK]);
1820 flower_print_ip4_addr("arp_tip", tb[TCA_FLOWER_KEY_ARP_TIP],
1821 tb[TCA_FLOWER_KEY_ARP_TIP_MASK]);
1822 flower_print_arp_op("arp_op", tb[TCA_FLOWER_KEY_ARP_OP],
1823 tb[TCA_FLOWER_KEY_ARP_OP_MASK]);
1824 flower_print_eth_addr("arp_sha", tb[TCA_FLOWER_KEY_ARP_SHA],
1825 tb[TCA_FLOWER_KEY_ARP_SHA_MASK]);
1826 flower_print_eth_addr("arp_tha", tb[TCA_FLOWER_KEY_ARP_THA],
1827 tb[TCA_FLOWER_KEY_ARP_THA_MASK]);
1828
1829 flower_print_ip_addr("enc_dst_ip",
1830 tb[TCA_FLOWER_KEY_ENC_IPV4_DST_MASK] ?
1831 htons(ETH_P_IP) : htons(ETH_P_IPV6),
1832 tb[TCA_FLOWER_KEY_ENC_IPV4_DST],
1833 tb[TCA_FLOWER_KEY_ENC_IPV4_DST_MASK],
1834 tb[TCA_FLOWER_KEY_ENC_IPV6_DST],
1835 tb[TCA_FLOWER_KEY_ENC_IPV6_DST_MASK]);
1836
1837 flower_print_ip_addr("enc_src_ip",
1838 tb[TCA_FLOWER_KEY_ENC_IPV4_SRC_MASK] ?
1839 htons(ETH_P_IP) : htons(ETH_P_IPV6),
1840 tb[TCA_FLOWER_KEY_ENC_IPV4_SRC],
1841 tb[TCA_FLOWER_KEY_ENC_IPV4_SRC_MASK],
1842 tb[TCA_FLOWER_KEY_ENC_IPV6_SRC],
1843 tb[TCA_FLOWER_KEY_ENC_IPV6_SRC_MASK]);
1844
1845 flower_print_key_id("enc_key_id", tb[TCA_FLOWER_KEY_ENC_KEY_ID]);
1846
1847 flower_print_port("enc_dst_port", tb[TCA_FLOWER_KEY_ENC_UDP_DST_PORT]);
1848
1849 flower_print_ip_attr("enc_tos", tb[TCA_FLOWER_KEY_ENC_IP_TOS],
1850 tb[TCA_FLOWER_KEY_ENC_IP_TOS_MASK]);
1851 flower_print_ip_attr("enc_ttl", tb[TCA_FLOWER_KEY_ENC_IP_TTL],
1852 tb[TCA_FLOWER_KEY_ENC_IP_TTL_MASK]);
1853 flower_print_enc_opts("enc_opt", tb[TCA_FLOWER_KEY_ENC_OPTS],
1854 tb[TCA_FLOWER_KEY_ENC_OPTS_MASK]);
1855
1856 flower_print_matching_flags("ip_flags", FLOWER_IP_FLAGS,
1857 tb[TCA_FLOWER_KEY_FLAGS],
1858 tb[TCA_FLOWER_KEY_FLAGS_MASK]);
1859
1860 close_json_object();
1861
1862 if (tb[TCA_FLOWER_FLAGS]) {
1863 __u32 flags = rta_getattr_u32(tb[TCA_FLOWER_FLAGS]);
1864
1865 if (flags & TCA_CLS_FLAGS_SKIP_HW)
1866 print_bool(PRINT_ANY, "skip_hw", "\n skip_hw", true);
1867 if (flags & TCA_CLS_FLAGS_SKIP_SW)
1868 print_bool(PRINT_ANY, "skip_sw", "\n skip_sw", true);
1869
1870 if (flags & TCA_CLS_FLAGS_IN_HW) {
1871 print_bool(PRINT_ANY, "in_hw", "\n in_hw", true);
1872
1873 if (tb[TCA_FLOWER_IN_HW_COUNT]) {
1874 __u32 count = rta_getattr_u32(tb[TCA_FLOWER_IN_HW_COUNT]);
1875
1876 print_uint(PRINT_ANY, "in_hw_count",
1877 " in_hw_count %u", count);
1878 }
1879 }
1880 else if (flags & TCA_CLS_FLAGS_NOT_IN_HW)
1881 print_bool(PRINT_ANY, "not_in_hw", "\n not_in_hw", true);
1882 }
1883
1884 if (tb[TCA_FLOWER_ACT])
1885 tc_print_action(f, tb[TCA_FLOWER_ACT], 0);
1886
1887 return 0;
1888 }
1889
1890 struct filter_util flower_filter_util = {
1891 .id = "flower",
1892 .parse_fopt = flower_parse_opt,
1893 .print_fopt = flower_print_opt,
1894 };
Upstream mirror of iproute2