osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1 | /* |
| 2 | * q_u32.c U32 filter. |
| 3 | * |
| 4 | * This program is free software; you can u32istribute 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: Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru> |
net[shemminger]!shemminger | 6f0ba88 | 2005-01-17 23:27:56 +0000 | [diff] [blame] | 10 | * Match mark added by Catalin(ux aka Dino) BOIE <catab at umbrella.ro> [5 nov 2004] |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 11 | * |
| 12 | */ |
| 13 | |
| 14 | #include <stdio.h> |
| 15 | #include <stdlib.h> |
| 16 | #include <unistd.h> |
| 17 | #include <syslog.h> |
| 18 | #include <fcntl.h> |
| 19 | #include <sys/socket.h> |
| 20 | #include <netinet/in.h> |
| 21 | #include <arpa/inet.h> |
| 22 | #include <string.h> |
osdl.net!shemminger | 2373fde | 2004-08-13 23:54:55 +0000 | [diff] [blame] | 23 | #include <linux/if.h> |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 24 | |
| 25 | #include "utils.h" |
| 26 | #include "tc_util.h" |
| 27 | |
| 28 | static void explain(void) |
| 29 | { |
| 30 | fprintf(stderr, "Usage: ... u32 [ match SELECTOR ... ] [ link HTID ] [ classid CLASSID ]\n"); |
| 31 | fprintf(stderr, " [ police POLICE_SPEC ] [ offset OFFSET_SPEC ]\n"); |
| 32 | fprintf(stderr, " [ ht HTID ] [ hashkey HASHKEY_SPEC ]\n"); |
| 33 | fprintf(stderr, " [ sample SAMPLE ]\n"); |
| 34 | fprintf(stderr, "or u32 divisor DIVISOR\n"); |
| 35 | fprintf(stderr, "\n"); |
| 36 | fprintf(stderr, "Where: SELECTOR := SAMPLE SAMPLE ...\n"); |
net[shemminger]!shemminger | 6f0ba88 | 2005-01-17 23:27:56 +0000 | [diff] [blame] | 37 | fprintf(stderr, " SAMPLE := { ip | ip6 | udp | tcp | icmp | u{32|16|8} | mark } SAMPLE_ARGS\n"); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 38 | fprintf(stderr, " FILTERID := X:Y:Z\n"); |
| 39 | } |
| 40 | |
| 41 | #define usage() return(-1) |
| 42 | |
| 43 | int get_u32_handle(__u32 *handle, char *str) |
| 44 | { |
| 45 | __u32 htid=0, hash=0, nodeid=0; |
| 46 | char *tmp = strchr(str, ':'); |
| 47 | |
| 48 | if (tmp == NULL) { |
| 49 | if (memcmp("0x", str, 2) == 0) |
| 50 | return get_u32(handle, str, 16); |
| 51 | return -1; |
| 52 | } |
| 53 | htid = strtoul(str, &tmp, 16); |
| 54 | if (tmp == str && *str != ':' && *str != 0) |
| 55 | return -1; |
| 56 | if (htid>=0x1000) |
| 57 | return -1; |
| 58 | if (*tmp) { |
| 59 | str = tmp+1; |
| 60 | hash = strtoul(str, &tmp, 16); |
| 61 | if (tmp == str && *str != ':' && *str != 0) |
| 62 | return -1; |
| 63 | if (hash>=0x100) |
| 64 | return -1; |
| 65 | if (*tmp) { |
| 66 | str = tmp+1; |
| 67 | nodeid = strtoul(str, &tmp, 16); |
| 68 | if (tmp == str && *str != 0) |
| 69 | return -1; |
| 70 | if (nodeid>=0x1000) |
| 71 | return -1; |
| 72 | } |
| 73 | } |
| 74 | *handle = (htid<<20)|(hash<<12)|nodeid; |
| 75 | return 0; |
| 76 | } |
| 77 | |
| 78 | char * sprint_u32_handle(__u32 handle, char *buf) |
| 79 | { |
| 80 | int bsize = SPRINT_BSIZE-1; |
| 81 | __u32 htid = TC_U32_HTID(handle); |
| 82 | __u32 hash = TC_U32_HASH(handle); |
| 83 | __u32 nodeid = TC_U32_NODE(handle); |
| 84 | char *b = buf; |
| 85 | |
| 86 | if (handle == 0) { |
| 87 | snprintf(b, bsize, "none"); |
| 88 | return b; |
| 89 | } |
| 90 | if (htid) { |
| 91 | int l = snprintf(b, bsize, "%x:", htid>>20); |
| 92 | bsize -= l; |
| 93 | b += l; |
| 94 | } |
| 95 | if (nodeid|hash) { |
| 96 | if (hash) { |
| 97 | int l = snprintf(b, bsize, "%x", hash); |
| 98 | bsize -= l; |
| 99 | b += l; |
| 100 | } |
| 101 | if (nodeid) { |
| 102 | int l = snprintf(b, bsize, ":%x", nodeid); |
| 103 | bsize -= l; |
| 104 | b += l; |
| 105 | } |
| 106 | } |
| 107 | if (show_raw) |
| 108 | snprintf(b, bsize, "[%08x] ", handle); |
| 109 | return buf; |
| 110 | } |
| 111 | |
| 112 | static int pack_key(struct tc_u32_sel *sel, __u32 key, __u32 mask, int off, int offmask) |
| 113 | { |
| 114 | int i; |
| 115 | int hwm = sel->nkeys; |
| 116 | |
| 117 | key &= mask; |
| 118 | |
| 119 | for (i=0; i<hwm; i++) { |
| 120 | if (sel->keys[i].off == off && sel->keys[i].offmask == offmask) { |
| 121 | __u32 intersect = mask&sel->keys[i].mask; |
| 122 | |
| 123 | if ((key^sel->keys[i].val) & intersect) |
| 124 | return -1; |
| 125 | sel->keys[i].val |= key; |
| 126 | sel->keys[i].mask |= mask; |
| 127 | return 0; |
| 128 | } |
| 129 | } |
| 130 | |
| 131 | if (hwm >= 128) |
| 132 | return -1; |
| 133 | if (off % 4) |
| 134 | return -1; |
| 135 | sel->keys[hwm].val = key; |
| 136 | sel->keys[hwm].mask = mask; |
| 137 | sel->keys[hwm].off = off; |
| 138 | sel->keys[hwm].offmask = offmask; |
| 139 | sel->nkeys++; |
| 140 | return 0; |
| 141 | } |
| 142 | |
| 143 | static int pack_key32(struct tc_u32_sel *sel, __u32 key, __u32 mask, int off, int offmask) |
| 144 | { |
| 145 | key = htonl(key); |
| 146 | mask = htonl(mask); |
| 147 | return pack_key(sel, key, mask, off, offmask); |
| 148 | } |
| 149 | |
| 150 | static int pack_key16(struct tc_u32_sel *sel, __u32 key, __u32 mask, int off, int offmask) |
| 151 | { |
| 152 | if (key > 0xFFFF || mask > 0xFFFF) |
| 153 | return -1; |
| 154 | |
| 155 | if ((off & 3) == 0) { |
| 156 | key <<= 16; |
| 157 | mask <<= 16; |
| 158 | } |
| 159 | off &= ~3; |
| 160 | key = htonl(key); |
| 161 | mask = htonl(mask); |
| 162 | |
| 163 | return pack_key(sel, key, mask, off, offmask); |
| 164 | } |
| 165 | |
| 166 | static int pack_key8(struct tc_u32_sel *sel, __u32 key, __u32 mask, int off, int offmask) |
| 167 | { |
| 168 | if (key > 0xFF || mask > 0xFF) |
| 169 | return -1; |
| 170 | |
| 171 | if ((off & 3) == 0) { |
| 172 | key <<= 24; |
| 173 | mask <<= 24; |
| 174 | } else if ((off & 3) == 1) { |
| 175 | key <<= 16; |
| 176 | mask <<= 16; |
| 177 | } else if ((off & 3) == 2) { |
| 178 | key <<= 8; |
| 179 | mask <<= 8; |
| 180 | } |
| 181 | off &= ~3; |
| 182 | key = htonl(key); |
| 183 | mask = htonl(mask); |
| 184 | |
| 185 | return pack_key(sel, key, mask, off, offmask); |
| 186 | } |
| 187 | |
| 188 | |
| 189 | int parse_at(int *argc_p, char ***argv_p, int *off, int *offmask) |
| 190 | { |
| 191 | int argc = *argc_p; |
| 192 | char **argv = *argv_p; |
| 193 | char *p = *argv; |
| 194 | |
| 195 | if (argc <= 0) |
| 196 | return -1; |
| 197 | |
| 198 | if (strlen(p) > strlen("nexthdr+") && |
| 199 | memcmp(p, "nexthdr+", strlen("nexthdr+")) == 0) { |
| 200 | *offmask = -1; |
| 201 | p += strlen("nexthdr+"); |
| 202 | } else if (matches(*argv, "nexthdr+") == 0) { |
| 203 | NEXT_ARG(); |
| 204 | *offmask = -1; |
| 205 | p = *argv; |
| 206 | } |
| 207 | |
| 208 | if (get_integer(off, p, 0)) |
| 209 | return -1; |
| 210 | argc--; argv++; |
| 211 | |
| 212 | *argc_p = argc; |
| 213 | *argv_p = argv; |
| 214 | return 0; |
| 215 | } |
| 216 | |
| 217 | |
| 218 | static int parse_u32(int *argc_p, char ***argv_p, struct tc_u32_sel *sel, int off, int offmask) |
| 219 | { |
| 220 | int res = -1; |
| 221 | int argc = *argc_p; |
| 222 | char **argv = *argv_p; |
| 223 | __u32 key; |
| 224 | __u32 mask; |
| 225 | |
| 226 | if (argc < 2) |
| 227 | return -1; |
| 228 | |
| 229 | if (get_u32(&key, *argv, 0)) |
| 230 | return -1; |
| 231 | argc--; argv++; |
| 232 | |
| 233 | if (get_u32(&mask, *argv, 16)) |
| 234 | return -1; |
| 235 | argc--; argv++; |
| 236 | |
| 237 | if (argc > 0 && strcmp(argv[0], "at") == 0) { |
| 238 | NEXT_ARG(); |
| 239 | if (parse_at(&argc, &argv, &off, &offmask)) |
| 240 | return -1; |
| 241 | } |
| 242 | |
| 243 | res = pack_key32(sel, key, mask, off, offmask); |
| 244 | *argc_p = argc; |
| 245 | *argv_p = argv; |
| 246 | return res; |
| 247 | } |
| 248 | |
| 249 | static int parse_u16(int *argc_p, char ***argv_p, struct tc_u32_sel *sel, int off, int offmask) |
| 250 | { |
| 251 | int res = -1; |
| 252 | int argc = *argc_p; |
| 253 | char **argv = *argv_p; |
| 254 | __u32 key; |
| 255 | __u32 mask; |
| 256 | |
| 257 | if (argc < 2) |
| 258 | return -1; |
| 259 | |
| 260 | if (get_u32(&key, *argv, 0)) |
| 261 | return -1; |
| 262 | argc--; argv++; |
| 263 | |
| 264 | if (get_u32(&mask, *argv, 16)) |
| 265 | return -1; |
| 266 | argc--; argv++; |
| 267 | |
| 268 | if (argc > 0 && strcmp(argv[0], "at") == 0) { |
| 269 | NEXT_ARG(); |
| 270 | if (parse_at(&argc, &argv, &off, &offmask)) |
| 271 | return -1; |
| 272 | } |
| 273 | res = pack_key16(sel, key, mask, off, offmask); |
| 274 | *argc_p = argc; |
| 275 | *argv_p = argv; |
| 276 | return res; |
| 277 | } |
| 278 | |
| 279 | static int parse_u8(int *argc_p, char ***argv_p, struct tc_u32_sel *sel, int off, int offmask) |
| 280 | { |
| 281 | int res = -1; |
| 282 | int argc = *argc_p; |
| 283 | char **argv = *argv_p; |
| 284 | __u32 key; |
| 285 | __u32 mask; |
| 286 | |
| 287 | if (argc < 2) |
| 288 | return -1; |
| 289 | |
| 290 | if (get_u32(&key, *argv, 0)) |
| 291 | return -1; |
| 292 | argc--; argv++; |
| 293 | |
| 294 | if (get_u32(&mask, *argv, 16)) |
| 295 | return -1; |
| 296 | argc--; argv++; |
| 297 | |
| 298 | if (key > 0xFF || mask > 0xFF) |
| 299 | return -1; |
| 300 | |
| 301 | if (argc > 0 && strcmp(argv[0], "at") == 0) { |
| 302 | NEXT_ARG(); |
| 303 | if (parse_at(&argc, &argv, &off, &offmask)) |
| 304 | return -1; |
| 305 | } |
| 306 | |
| 307 | res = pack_key8(sel, key, mask, off, offmask); |
| 308 | *argc_p = argc; |
| 309 | *argv_p = argv; |
| 310 | return res; |
| 311 | } |
| 312 | |
| 313 | static int parse_ip_addr(int *argc_p, char ***argv_p, struct tc_u32_sel *sel, int off) |
| 314 | { |
| 315 | int res = -1; |
| 316 | int argc = *argc_p; |
| 317 | char **argv = *argv_p; |
| 318 | inet_prefix addr; |
| 319 | __u32 mask; |
| 320 | int offmask = 0; |
| 321 | |
| 322 | if (argc < 1) |
| 323 | return -1; |
| 324 | |
| 325 | if (get_prefix_1(&addr, *argv, AF_INET)) |
| 326 | return -1; |
| 327 | argc--; argv++; |
| 328 | |
| 329 | if (argc > 0 && strcmp(argv[0], "at") == 0) { |
| 330 | NEXT_ARG(); |
| 331 | if (parse_at(&argc, &argv, &off, &offmask)) |
| 332 | return -1; |
| 333 | } |
| 334 | |
| 335 | mask = 0; |
| 336 | if (addr.bitlen) |
| 337 | mask = htonl(0xFFFFFFFF<<(32-addr.bitlen)); |
| 338 | if (pack_key(sel, addr.data[0], mask, off, offmask) < 0) |
| 339 | return -1; |
| 340 | res = 0; |
| 341 | |
| 342 | *argc_p = argc; |
| 343 | *argv_p = argv; |
| 344 | return res; |
| 345 | } |
| 346 | |
| 347 | static int parse_ip6_addr(int *argc_p, char ***argv_p, struct tc_u32_sel *sel, int off) |
| 348 | { |
| 349 | int res = -1; |
| 350 | int argc = *argc_p; |
| 351 | char **argv = *argv_p; |
| 352 | int plen = 128; |
| 353 | int i; |
| 354 | inet_prefix addr; |
| 355 | int offmask = 0; |
| 356 | |
| 357 | if (argc < 1) |
| 358 | return -1; |
| 359 | |
| 360 | if (get_prefix_1(&addr, *argv, AF_INET6)) |
| 361 | return -1; |
| 362 | argc--; argv++; |
| 363 | |
| 364 | if (argc > 0 && strcmp(argv[0], "at") == 0) { |
| 365 | NEXT_ARG(); |
| 366 | if (parse_at(&argc, &argv, &off, &offmask)) |
| 367 | return -1; |
| 368 | } |
| 369 | |
| 370 | plen = addr.bitlen; |
| 371 | for (i=0; i<plen; i+=32) { |
osdl.net!shemminger | 2373fde | 2004-08-13 23:54:55 +0000 | [diff] [blame] | 372 | // if (((i+31)&~0x1F)<=plen) { |
| 373 | if (((i+31))<=plen) { |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 374 | if ((res = pack_key(sel, addr.data[i/32], 0xFFFFFFFF, off+4*(i/32), offmask)) < 0) |
| 375 | return -1; |
| 376 | } else if (i<plen) { |
| 377 | __u32 mask = htonl(0xFFFFFFFF<<(32-(plen-i))); |
| 378 | if ((res = pack_key(sel, addr.data[i/32], mask, off+4*(i/32), offmask)) < 0) |
| 379 | return -1; |
| 380 | } |
| 381 | } |
| 382 | res = 0; |
| 383 | |
| 384 | *argc_p = argc; |
| 385 | *argv_p = argv; |
| 386 | return res; |
| 387 | } |
| 388 | |
| 389 | static int parse_ip(int *argc_p, char ***argv_p, struct tc_u32_sel *sel) |
| 390 | { |
| 391 | int res = -1; |
| 392 | int argc = *argc_p; |
| 393 | char **argv = *argv_p; |
| 394 | |
| 395 | if (argc < 2) |
| 396 | return -1; |
| 397 | |
| 398 | if (strcmp(*argv, "src") == 0) { |
| 399 | NEXT_ARG(); |
| 400 | res = parse_ip_addr(&argc, &argv, sel, 12); |
| 401 | goto done; |
| 402 | } |
| 403 | if (strcmp(*argv, "dst") == 0) { |
| 404 | NEXT_ARG(); |
| 405 | res = parse_ip_addr(&argc, &argv, sel, 16); |
| 406 | goto done; |
| 407 | } |
| 408 | if (strcmp(*argv, "tos") == 0 || |
| 409 | matches(*argv, "dsfield") == 0) { |
| 410 | NEXT_ARG(); |
| 411 | res = parse_u8(&argc, &argv, sel, 1, 0); |
| 412 | goto done; |
| 413 | } |
| 414 | if (strcmp(*argv, "ihl") == 0) { |
| 415 | NEXT_ARG(); |
| 416 | res = parse_u8(&argc, &argv, sel, 0, 0); |
| 417 | goto done; |
| 418 | } |
| 419 | if (strcmp(*argv, "protocol") == 0) { |
| 420 | NEXT_ARG(); |
| 421 | res = parse_u8(&argc, &argv, sel, 9, 0); |
| 422 | goto done; |
| 423 | } |
| 424 | if (matches(*argv, "precedence") == 0) { |
| 425 | NEXT_ARG(); |
| 426 | res = parse_u8(&argc, &argv, sel, 1, 0); |
| 427 | goto done; |
| 428 | } |
| 429 | if (strcmp(*argv, "nofrag") == 0) { |
| 430 | argc--; argv++; |
| 431 | res = pack_key16(sel, 0, 0x3FFF, 6, 0); |
| 432 | goto done; |
| 433 | } |
| 434 | if (strcmp(*argv, "firstfrag") == 0) { |
| 435 | argc--; argv++; |
| 436 | res = pack_key16(sel, 0, 0x1FFF, 6, 0); |
| 437 | goto done; |
| 438 | } |
| 439 | if (strcmp(*argv, "df") == 0) { |
| 440 | argc--; argv++; |
| 441 | res = pack_key16(sel, 0x4000, 0x4000, 6, 0); |
| 442 | goto done; |
| 443 | } |
| 444 | if (strcmp(*argv, "mf") == 0) { |
| 445 | argc--; argv++; |
| 446 | res = pack_key16(sel, 0x2000, 0x2000, 6, 0); |
| 447 | goto done; |
| 448 | } |
| 449 | if (strcmp(*argv, "dport") == 0) { |
| 450 | NEXT_ARG(); |
| 451 | res = parse_u16(&argc, &argv, sel, 22, 0); |
| 452 | goto done; |
| 453 | } |
| 454 | if (strcmp(*argv, "sport") == 0) { |
| 455 | NEXT_ARG(); |
| 456 | res = parse_u16(&argc, &argv, sel, 20, 0); |
| 457 | goto done; |
| 458 | } |
| 459 | if (strcmp(*argv, "icmp_type") == 0) { |
| 460 | NEXT_ARG(); |
| 461 | res = parse_u8(&argc, &argv, sel, 20, 0); |
| 462 | goto done; |
| 463 | } |
| 464 | if (strcmp(*argv, "icmp_code") == 0) { |
| 465 | NEXT_ARG(); |
| 466 | res = parse_u8(&argc, &argv, sel, 20, 1); |
| 467 | goto done; |
| 468 | } |
| 469 | return -1; |
| 470 | |
| 471 | done: |
| 472 | *argc_p = argc; |
| 473 | *argv_p = argv; |
| 474 | return res; |
| 475 | } |
| 476 | |
| 477 | static int parse_ip6(int *argc_p, char ***argv_p, struct tc_u32_sel *sel) |
| 478 | { |
| 479 | int res = -1; |
| 480 | int argc = *argc_p; |
| 481 | char **argv = *argv_p; |
| 482 | |
| 483 | if (argc < 2) |
| 484 | return -1; |
| 485 | |
| 486 | if (strcmp(*argv, "src") == 0) { |
| 487 | NEXT_ARG(); |
| 488 | res = parse_ip6_addr(&argc, &argv, sel, 8); |
| 489 | goto done; |
| 490 | } |
| 491 | if (strcmp(*argv, "dst") == 0) { |
| 492 | NEXT_ARG(); |
| 493 | res = parse_ip6_addr(&argc, &argv, sel, 24); |
| 494 | goto done; |
| 495 | } |
| 496 | if (strcmp(*argv, "priority") == 0) { |
| 497 | NEXT_ARG(); |
| 498 | res = parse_u8(&argc, &argv, sel, 0, 0); |
| 499 | goto done; |
| 500 | } |
| 501 | if (strcmp(*argv, "protocol") == 0) { |
| 502 | NEXT_ARG(); |
| 503 | res = parse_u8(&argc, &argv, sel, 6, 0); |
| 504 | goto done; |
| 505 | } |
| 506 | if (strcmp(*argv, "flowlabel") == 0) { |
| 507 | NEXT_ARG(); |
| 508 | res = parse_u32(&argc, &argv, sel, 0, 0); |
| 509 | goto done; |
| 510 | } |
| 511 | if (strcmp(*argv, "dport") == 0) { |
| 512 | NEXT_ARG(); |
| 513 | res = parse_u16(&argc, &argv, sel, 42, 0); |
| 514 | goto done; |
| 515 | } |
| 516 | if (strcmp(*argv, "sport") == 0) { |
| 517 | NEXT_ARG(); |
| 518 | res = parse_u16(&argc, &argv, sel, 40, 0); |
| 519 | goto done; |
| 520 | } |
| 521 | if (strcmp(*argv, "icmp_type") == 0) { |
| 522 | NEXT_ARG(); |
| 523 | res = parse_u8(&argc, &argv, sel, 40, 0); |
| 524 | goto done; |
| 525 | } |
| 526 | if (strcmp(*argv, "icmp_code") == 0) { |
| 527 | NEXT_ARG(); |
| 528 | res = parse_u8(&argc, &argv, sel, 41, 1); |
| 529 | goto done; |
| 530 | } |
| 531 | return -1; |
| 532 | |
| 533 | done: |
| 534 | *argc_p = argc; |
| 535 | *argv_p = argv; |
| 536 | return res; |
| 537 | } |
| 538 | |
| 539 | #define parse_tcp parse_udp |
| 540 | static int parse_udp(int *argc_p, char ***argv_p, struct tc_u32_sel *sel) |
| 541 | { |
| 542 | int res = -1; |
| 543 | int argc = *argc_p; |
| 544 | char **argv = *argv_p; |
| 545 | |
| 546 | if (argc < 2) |
| 547 | return -1; |
| 548 | |
| 549 | if (strcmp(*argv, "src") == 0) { |
| 550 | NEXT_ARG(); |
| 551 | res = parse_u16(&argc, &argv, sel, 0, -1); |
| 552 | goto done; |
| 553 | } |
| 554 | if (strcmp(*argv, "dst") == 0) { |
| 555 | NEXT_ARG(); |
| 556 | res = parse_u16(&argc, &argv, sel, 2, -1); |
| 557 | goto done; |
| 558 | } |
| 559 | return -1; |
| 560 | |
| 561 | done: |
| 562 | *argc_p = argc; |
| 563 | *argv_p = argv; |
| 564 | return res; |
| 565 | } |
| 566 | |
| 567 | static int parse_icmp(int *argc_p, char ***argv_p, struct tc_u32_sel *sel) |
| 568 | { |
| 569 | int res = -1; |
| 570 | int argc = *argc_p; |
| 571 | char **argv = *argv_p; |
| 572 | |
| 573 | if (argc < 2) |
| 574 | return -1; |
| 575 | |
| 576 | if (strcmp(*argv, "type") == 0) { |
| 577 | NEXT_ARG(); |
| 578 | res = parse_u8(&argc, &argv, sel, 0, -1); |
| 579 | goto done; |
| 580 | } |
| 581 | if (strcmp(*argv, "code") == 0) { |
| 582 | NEXT_ARG(); |
| 583 | res = parse_u8(&argc, &argv, sel, 1, -1); |
| 584 | goto done; |
| 585 | } |
| 586 | return -1; |
| 587 | |
| 588 | done: |
| 589 | *argc_p = argc; |
| 590 | *argv_p = argv; |
| 591 | return res; |
| 592 | } |
| 593 | |
net[shemminger]!shemminger | 6f0ba88 | 2005-01-17 23:27:56 +0000 | [diff] [blame] | 594 | static int parse_mark(int *argc_p, char ***argv_p, struct nlmsghdr *n) |
| 595 | { |
| 596 | int res = -1; |
| 597 | int argc = *argc_p; |
| 598 | char **argv = *argv_p; |
| 599 | struct tc_u32_mark mark; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 600 | |
net[shemminger]!shemminger | 6f0ba88 | 2005-01-17 23:27:56 +0000 | [diff] [blame] | 601 | if (argc <= 1) |
| 602 | return -1; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 603 | |
net[shemminger]!shemminger | 6f0ba88 | 2005-01-17 23:27:56 +0000 | [diff] [blame] | 604 | if (get_u32(&mark.val, *argv, 0)) { |
| 605 | fprintf(stderr, "Illegal \"mark\" value\n"); |
| 606 | return -1; |
| 607 | } |
| 608 | NEXT_ARG(); |
| 609 | |
| 610 | if (get_u32(&mark.mask, *argv, 0)) { |
| 611 | fprintf(stderr, "Illegal \"mark\" mask\n"); |
| 612 | return -1; |
| 613 | } |
| 614 | NEXT_ARG(); |
| 615 | |
| 616 | if ((mark.val & mark.mask) != mark.val) { |
| 617 | fprintf(stderr, "Illegal \"mark\" (impossible combination)\n"); |
| 618 | return -1; |
| 619 | } |
| 620 | |
| 621 | addattr_l(n, MAX_MSG, TCA_U32_MARK, &mark, sizeof(mark)); |
| 622 | res = 0; |
| 623 | |
| 624 | *argc_p = argc; |
| 625 | *argv_p = argv; |
| 626 | return res; |
| 627 | } |
| 628 | |
| 629 | static int parse_selector(int *argc_p, char ***argv_p, struct tc_u32_sel *sel, struct nlmsghdr *n) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 630 | { |
| 631 | int argc = *argc_p; |
| 632 | char **argv = *argv_p; |
| 633 | int res = -1; |
| 634 | |
| 635 | if (argc <= 0) |
| 636 | return -1; |
| 637 | |
| 638 | if (matches(*argv, "u32") == 0) { |
| 639 | NEXT_ARG(); |
| 640 | res = parse_u32(&argc, &argv, sel, 0, 0); |
| 641 | goto done; |
| 642 | } |
| 643 | if (matches(*argv, "u16") == 0) { |
| 644 | NEXT_ARG(); |
| 645 | res = parse_u16(&argc, &argv, sel, 0, 0); |
| 646 | goto done; |
| 647 | } |
| 648 | if (matches(*argv, "u8") == 0) { |
| 649 | NEXT_ARG(); |
| 650 | res = parse_u8(&argc, &argv, sel, 0, 0); |
| 651 | goto done; |
| 652 | } |
| 653 | if (matches(*argv, "ip") == 0) { |
| 654 | NEXT_ARG(); |
| 655 | res = parse_ip(&argc, &argv, sel); |
| 656 | goto done; |
| 657 | } |
| 658 | if (matches(*argv, "ip6") == 0) { |
| 659 | NEXT_ARG(); |
| 660 | res = parse_ip6(&argc, &argv, sel); |
| 661 | goto done; |
| 662 | } |
| 663 | if (matches(*argv, "udp") == 0) { |
| 664 | NEXT_ARG(); |
| 665 | res = parse_udp(&argc, &argv, sel); |
| 666 | goto done; |
| 667 | } |
| 668 | if (matches(*argv, "tcp") == 0) { |
| 669 | NEXT_ARG(); |
| 670 | res = parse_tcp(&argc, &argv, sel); |
| 671 | goto done; |
| 672 | } |
| 673 | if (matches(*argv, "icmp") == 0) { |
| 674 | NEXT_ARG(); |
| 675 | res = parse_icmp(&argc, &argv, sel); |
| 676 | goto done; |
| 677 | } |
net[shemminger]!shemminger | 6f0ba88 | 2005-01-17 23:27:56 +0000 | [diff] [blame] | 678 | if (matches(*argv, "mark") == 0) { |
| 679 | NEXT_ARG(); |
| 680 | res = parse_mark(&argc, &argv, n); |
| 681 | goto done; |
| 682 | } |
| 683 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 684 | return -1; |
| 685 | |
| 686 | done: |
| 687 | *argc_p = argc; |
| 688 | *argv_p = argv; |
| 689 | return res; |
| 690 | } |
| 691 | |
| 692 | static int parse_offset(int *argc_p, char ***argv_p, struct tc_u32_sel *sel) |
| 693 | { |
| 694 | int argc = *argc_p; |
| 695 | char **argv = *argv_p; |
| 696 | |
| 697 | while (argc > 0) { |
| 698 | if (matches(*argv, "plus") == 0) { |
| 699 | int off; |
| 700 | NEXT_ARG(); |
| 701 | if (get_integer(&off, *argv, 0)) |
| 702 | return -1; |
| 703 | sel->off = off; |
| 704 | sel->flags |= TC_U32_OFFSET; |
| 705 | } else if (matches(*argv, "at") == 0) { |
| 706 | int off; |
| 707 | NEXT_ARG(); |
| 708 | if (get_integer(&off, *argv, 0)) |
| 709 | return -1; |
| 710 | sel->offoff = off; |
| 711 | if (off%2) { |
| 712 | fprintf(stderr, "offset \"at\" must be even\n"); |
| 713 | return -1; |
| 714 | } |
| 715 | sel->flags |= TC_U32_VAROFFSET; |
| 716 | } else if (matches(*argv, "mask") == 0) { |
| 717 | __u16 mask; |
| 718 | NEXT_ARG(); |
| 719 | if (get_u16(&mask, *argv, 16)) |
| 720 | return -1; |
| 721 | sel->offmask = htons(mask); |
| 722 | sel->flags |= TC_U32_VAROFFSET; |
| 723 | } else if (matches(*argv, "shift") == 0) { |
| 724 | int shift; |
| 725 | NEXT_ARG(); |
| 726 | if (get_integer(&shift, *argv, 0)) |
| 727 | return -1; |
| 728 | sel->offshift = shift; |
| 729 | sel->flags |= TC_U32_VAROFFSET; |
| 730 | } else if (matches(*argv, "eat") == 0) { |
| 731 | sel->flags |= TC_U32_EAT; |
| 732 | } else { |
| 733 | break; |
| 734 | } |
| 735 | argc--; argv++; |
| 736 | } |
| 737 | |
| 738 | *argc_p = argc; |
| 739 | *argv_p = argv; |
| 740 | return 0; |
| 741 | } |
| 742 | |
| 743 | static int parse_hashkey(int *argc_p, char ***argv_p, struct tc_u32_sel *sel) |
| 744 | { |
| 745 | int argc = *argc_p; |
| 746 | char **argv = *argv_p; |
| 747 | |
| 748 | while (argc > 0) { |
| 749 | if (matches(*argv, "mask") == 0) { |
| 750 | __u32 mask; |
| 751 | NEXT_ARG(); |
| 752 | if (get_u32(&mask, *argv, 16)) |
| 753 | return -1; |
| 754 | sel->hmask = htonl(mask); |
| 755 | } else if (matches(*argv, "at") == 0) { |
| 756 | int num; |
| 757 | NEXT_ARG(); |
| 758 | if (get_integer(&num, *argv, 0)) |
| 759 | return -1; |
| 760 | if (num%4) |
| 761 | return -1; |
| 762 | sel->hoff = num; |
| 763 | } else { |
| 764 | break; |
| 765 | } |
| 766 | argc--; argv++; |
| 767 | } |
| 768 | |
| 769 | *argc_p = argc; |
| 770 | *argv_p = argv; |
| 771 | return 0; |
| 772 | } |
| 773 | |
| 774 | static int u32_parse_opt(struct filter_util *qu, char *handle, int argc, char **argv, struct nlmsghdr *n) |
| 775 | { |
| 776 | struct { |
| 777 | struct tc_u32_sel sel; |
| 778 | struct tc_u32_key keys[128]; |
| 779 | } sel; |
| 780 | struct tcmsg *t = NLMSG_DATA(n); |
| 781 | struct rtattr *tail; |
| 782 | int sel_ok = 0; |
| 783 | int sample_ok = 0; |
| 784 | __u32 htid = 0; |
| 785 | __u32 order = 0; |
| 786 | |
| 787 | memset(&sel, 0, sizeof(sel)); |
| 788 | |
| 789 | if (handle && get_u32_handle(&t->tcm_handle, handle)) { |
| 790 | fprintf(stderr, "Illegal filter ID\n"); |
| 791 | return -1; |
| 792 | } |
| 793 | |
| 794 | if (argc == 0) |
| 795 | return 0; |
| 796 | |
8!tgraf | 4a86fe1 | 2005-01-18 01:24:18 +0000 | [diff] [blame] | 797 | tail = NLMSG_TAIL(n); |
osdl.net!shemminger | 2373fde | 2004-08-13 23:54:55 +0000 | [diff] [blame] | 798 | addattr_l(n, MAX_MSG, TCA_OPTIONS, NULL, 0); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 799 | |
| 800 | while (argc > 0) { |
| 801 | if (matches(*argv, "match") == 0) { |
| 802 | NEXT_ARG(); |
net[shemminger]!shemminger | 6f0ba88 | 2005-01-17 23:27:56 +0000 | [diff] [blame] | 803 | if (parse_selector(&argc, &argv, &sel.sel, n)) { |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 804 | fprintf(stderr, "Illegal \"match\"\n"); |
| 805 | return -1; |
| 806 | } |
| 807 | sel_ok++; |
| 808 | continue; |
| 809 | } else if (matches(*argv, "offset") == 0) { |
| 810 | NEXT_ARG(); |
| 811 | if (parse_offset(&argc, &argv, &sel.sel)) { |
| 812 | fprintf(stderr, "Illegal \"offset\"\n"); |
| 813 | return -1; |
| 814 | } |
| 815 | continue; |
| 816 | } else if (matches(*argv, "hashkey") == 0) { |
| 817 | NEXT_ARG(); |
| 818 | if (parse_hashkey(&argc, &argv, &sel.sel)) { |
| 819 | fprintf(stderr, "Illegal \"hashkey\"\n"); |
| 820 | return -1; |
| 821 | } |
| 822 | continue; |
| 823 | } else if (matches(*argv, "classid") == 0 || |
| 824 | strcmp(*argv, "flowid") == 0) { |
| 825 | unsigned handle; |
| 826 | NEXT_ARG(); |
| 827 | if (get_tc_classid(&handle, *argv)) { |
| 828 | fprintf(stderr, "Illegal \"classid\"\n"); |
| 829 | return -1; |
| 830 | } |
osdl.net!shemminger | 2373fde | 2004-08-13 23:54:55 +0000 | [diff] [blame] | 831 | addattr_l(n, MAX_MSG, TCA_U32_CLASSID, &handle, 4); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 832 | sel.sel.flags |= TC_U32_TERMINAL; |
| 833 | } else if (matches(*argv, "divisor") == 0) { |
| 834 | unsigned divisor; |
| 835 | NEXT_ARG(); |
| 836 | if (get_unsigned(&divisor, *argv, 0) || divisor == 0 || |
| 837 | divisor > 0x100) { |
| 838 | fprintf(stderr, "Illegal \"divisor\"\n"); |
| 839 | return -1; |
| 840 | } |
osdl.net!shemminger | 2373fde | 2004-08-13 23:54:55 +0000 | [diff] [blame] | 841 | addattr_l(n, MAX_MSG, TCA_U32_DIVISOR, &divisor, 4); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 842 | } else if (matches(*argv, "order") == 0) { |
| 843 | NEXT_ARG(); |
| 844 | if (get_u32(&order, *argv, 0)) { |
| 845 | fprintf(stderr, "Illegal \"order\"\n"); |
| 846 | return -1; |
| 847 | } |
| 848 | } else if (strcmp(*argv, "link") == 0) { |
| 849 | unsigned handle; |
| 850 | NEXT_ARG(); |
| 851 | if (get_u32_handle(&handle, *argv)) { |
| 852 | fprintf(stderr, "Illegal \"link\"\n"); |
| 853 | return -1; |
| 854 | } |
| 855 | if (handle && TC_U32_NODE(handle)) { |
| 856 | fprintf(stderr, "\"link\" must be a hash table.\n"); |
| 857 | return -1; |
| 858 | } |
osdl.net!shemminger | 2373fde | 2004-08-13 23:54:55 +0000 | [diff] [blame] | 859 | addattr_l(n, MAX_MSG, TCA_U32_LINK, &handle, 4); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 860 | } else if (strcmp(*argv, "ht") == 0) { |
| 861 | unsigned handle; |
| 862 | NEXT_ARG(); |
| 863 | if (get_u32_handle(&handle, *argv)) { |
| 864 | fprintf(stderr, "Illegal \"ht\"\n"); |
| 865 | return -1; |
| 866 | } |
| 867 | if (handle && TC_U32_NODE(handle)) { |
| 868 | fprintf(stderr, "\"ht\" must be a hash table.\n"); |
| 869 | return -1; |
| 870 | } |
| 871 | if (sample_ok) |
| 872 | htid = (htid&0xFF000)|(handle&0xFFF00000); |
| 873 | else |
| 874 | htid = (handle&0xFFFFF000); |
| 875 | } else if (strcmp(*argv, "sample") == 0) { |
| 876 | __u32 hash; |
| 877 | struct { |
| 878 | struct tc_u32_sel sel; |
| 879 | struct tc_u32_key keys[4]; |
| 880 | } sel2; |
| 881 | NEXT_ARG(); |
net[shemminger]!shemminger | 6f0ba88 | 2005-01-17 23:27:56 +0000 | [diff] [blame] | 882 | if (parse_selector(&argc, &argv, &sel2.sel, n)) { |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 883 | fprintf(stderr, "Illegal \"sample\"\n"); |
| 884 | return -1; |
| 885 | } |
| 886 | if (sel2.sel.nkeys != 1) { |
| 887 | fprintf(stderr, "\"sample\" must contain exactly ONE key.\n"); |
| 888 | return -1; |
| 889 | } |
| 890 | hash = sel2.sel.keys[0].val&sel2.sel.keys[0].mask; |
| 891 | hash ^= hash>>16; |
| 892 | hash ^= hash>>8; |
| 893 | htid = ((hash<<12)&0xFF000)|(htid&0xFFF00000); |
| 894 | sample_ok = 1; |
| 895 | continue; |
osdl.net!shemminger | 2373fde | 2004-08-13 23:54:55 +0000 | [diff] [blame] | 896 | } else if (strcmp(*argv, "indev") == 0) { |
| 897 | char ind[IFNAMSIZ + 1]; |
| 898 | memset(ind, 0, sizeof (ind)); |
| 899 | argc--; |
| 900 | argv++; |
| 901 | if (argc < 1) { |
| 902 | fprintf(stderr, "Illegal indev\n"); |
| 903 | return -1; |
| 904 | } |
| 905 | strncpy(ind, *argv, sizeof (ind) - 1); |
| 906 | addattr_l(n, MAX_MSG, TCA_U32_INDEV, ind, strlen(ind) + 1); |
net[shemminger]!shemminger | d81b135 | 2004-08-23 20:20:41 +0000 | [diff] [blame] | 907 | |
osdl.net!shemminger | 2373fde | 2004-08-13 23:54:55 +0000 | [diff] [blame] | 908 | } else if (matches(*argv, "action") == 0) { |
| 909 | NEXT_ARG(); |
| 910 | if (parse_action(&argc, &argv, TCA_U32_ACT, n)) { |
| 911 | fprintf(stderr, "Illegal \"action\"\n"); |
| 912 | return -1; |
| 913 | } |
| 914 | continue; |
net[shemminger]!shemminger | d81b135 | 2004-08-23 20:20:41 +0000 | [diff] [blame] | 915 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 916 | } else if (matches(*argv, "police") == 0) { |
| 917 | NEXT_ARG(); |
| 918 | if (parse_police(&argc, &argv, TCA_U32_POLICE, n)) { |
| 919 | fprintf(stderr, "Illegal \"police\"\n"); |
| 920 | return -1; |
| 921 | } |
| 922 | continue; |
| 923 | } else if (strcmp(*argv, "help") == 0) { |
| 924 | explain(); |
| 925 | return -1; |
| 926 | } else { |
| 927 | fprintf(stderr, "What is \"%s\"?\n", *argv); |
| 928 | explain(); |
| 929 | return -1; |
| 930 | } |
| 931 | argc--; argv++; |
| 932 | } |
| 933 | |
| 934 | if (order) { |
| 935 | if (TC_U32_NODE(t->tcm_handle) && order != TC_U32_NODE(t->tcm_handle)) { |
| 936 | fprintf(stderr, "\"order\" contradicts \"handle\"\n"); |
| 937 | return -1; |
| 938 | } |
| 939 | t->tcm_handle |= order; |
| 940 | } |
| 941 | |
| 942 | if (htid) |
osdl.net!shemminger | 2373fde | 2004-08-13 23:54:55 +0000 | [diff] [blame] | 943 | addattr_l(n, MAX_MSG, TCA_U32_HASH, &htid, 4); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 944 | if (sel_ok) |
osdl.net!shemminger | 2373fde | 2004-08-13 23:54:55 +0000 | [diff] [blame] | 945 | addattr_l(n, MAX_MSG, TCA_U32_SEL, &sel, sizeof(sel.sel)+sel.sel.nkeys*sizeof(struct tc_u32_key)); |
8!tgraf | 4a86fe1 | 2005-01-18 01:24:18 +0000 | [diff] [blame] | 946 | tail->rta_len = (void *) NLMSG_TAIL(n) - (void *) tail; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 947 | return 0; |
| 948 | } |
| 949 | |
| 950 | static int u32_print_opt(struct filter_util *qu, FILE *f, struct rtattr *opt, __u32 handle) |
| 951 | { |
| 952 | struct rtattr *tb[TCA_U32_MAX+1]; |
| 953 | struct tc_u32_sel *sel = NULL; |
net[shemminger]!shemminger | d81b135 | 2004-08-23 20:20:41 +0000 | [diff] [blame] | 954 | struct tc_u32_pcnt *pf = NULL; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 955 | |
| 956 | if (opt == NULL) |
| 957 | return 0; |
| 958 | |
8!tgraf | ac2fc2d | 2005-01-18 22:11:58 +0000 | [diff] [blame] | 959 | parse_rtattr_nested(tb, TCA_U32_MAX, opt); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 960 | |
| 961 | if (handle) { |
| 962 | SPRINT_BUF(b1); |
| 963 | fprintf(f, "fh %s ", sprint_u32_handle(handle, b1)); |
| 964 | } |
| 965 | if (TC_U32_NODE(handle)) { |
| 966 | fprintf(f, "order %d ", TC_U32_NODE(handle)); |
| 967 | } |
| 968 | |
| 969 | if (tb[TCA_U32_SEL]) { |
| 970 | if (RTA_PAYLOAD(tb[TCA_U32_SEL]) < sizeof(*sel)) |
| 971 | return -1; |
| 972 | |
| 973 | sel = RTA_DATA(tb[TCA_U32_SEL]); |
| 974 | } |
| 975 | |
| 976 | if (tb[TCA_U32_DIVISOR]) { |
| 977 | fprintf(f, "ht divisor %d ", *(__u32*)RTA_DATA(tb[TCA_U32_DIVISOR])); |
| 978 | } else if (tb[TCA_U32_HASH]) { |
| 979 | __u32 htid = *(__u32*)RTA_DATA(tb[TCA_U32_HASH]); |
| 980 | fprintf(f, "key ht %x bkt %x ", TC_U32_USERHTID(htid), TC_U32_HASH(htid)); |
| 981 | } else { |
| 982 | fprintf(f, "??? "); |
| 983 | } |
| 984 | if (tb[TCA_U32_CLASSID]) { |
| 985 | SPRINT_BUF(b1); |
| 986 | fprintf(f, "%sflowid %s ", |
| 987 | !sel || !(sel->flags&TC_U32_TERMINAL) ? "*" : "", |
| 988 | sprint_tc_classid(*(__u32*)RTA_DATA(tb[TCA_U32_CLASSID]), b1)); |
| 989 | } else if (sel && sel->flags&TC_U32_TERMINAL) { |
| 990 | fprintf(f, "terminal flowid ??? "); |
| 991 | } |
| 992 | if (tb[TCA_U32_LINK]) { |
| 993 | SPRINT_BUF(b1); |
| 994 | fprintf(f, "link %s ", sprint_u32_handle(*(__u32*)RTA_DATA(tb[TCA_U32_LINK]), b1)); |
| 995 | } |
osdl.net!shemminger | 2373fde | 2004-08-13 23:54:55 +0000 | [diff] [blame] | 996 | |
net[shemminger]!shemminger | d81b135 | 2004-08-23 20:20:41 +0000 | [diff] [blame] | 997 | if (tb[TCA_U32_PCNT]) { |
| 998 | if (RTA_PAYLOAD(tb[TCA_U32_PCNT]) < sizeof(*pf)) { |
| 999 | fprintf(f, "Broken perf counters \n"); |
| 1000 | return -1; |
| 1001 | } |
| 1002 | pf = RTA_DATA(tb[TCA_U32_PCNT]); |
| 1003 | } |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1004 | |
net[shemminger]!shemminger | 6f0ba88 | 2005-01-17 23:27:56 +0000 | [diff] [blame] | 1005 | if (sel && show_stats && NULL != pf) |
net[shemminger]!shemminger | b906243 | 2005-01-17 23:28:16 +0000 | [diff] [blame] | 1006 | fprintf(f, " (rule hit %llu success %llu)", |
| 1007 | (unsigned long long) pf->rcnt, |
| 1008 | (unsigned long long) pf->rhit); |
net[shemminger]!shemminger | 6f0ba88 | 2005-01-17 23:27:56 +0000 | [diff] [blame] | 1009 | |
| 1010 | if (tb[TCA_U32_MARK]) { |
| 1011 | struct tc_u32_mark *mark = RTA_DATA(tb[TCA_U32_MARK]); |
| 1012 | if (RTA_PAYLOAD(tb[TCA_U32_MARK]) < sizeof(*mark)) { |
| 1013 | fprintf(f, "\n Invalid mark (kernel&iproute2 mismatch)\n"); |
| 1014 | } else { |
| 1015 | fprintf(f, "\n mark 0x%04x 0x%04x (success %d)", |
| 1016 | mark->val, mark->mask, mark->success); |
| 1017 | } |
| 1018 | } |
| 1019 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1020 | if (sel) { |
| 1021 | int i; |
| 1022 | struct tc_u32_key *key = sel->keys; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1023 | if (sel->nkeys) { |
osdl.net!shemminger | 2373fde | 2004-08-13 23:54:55 +0000 | [diff] [blame] | 1024 | for (i=0; i<sel->nkeys; i++, key++) { |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1025 | fprintf(f, "\n match %08x/%08x at %s%d", |
| 1026 | (unsigned int)ntohl(key->val), |
| 1027 | (unsigned int)ntohl(key->mask), |
| 1028 | key->offmask ? "nexthdr+" : "", |
| 1029 | key->off); |
net[shemminger]!shemminger | d81b135 | 2004-08-23 20:20:41 +0000 | [diff] [blame] | 1030 | if (show_stats && NULL != pf) |
net[shemminger]!shemminger | b906243 | 2005-01-17 23:28:16 +0000 | [diff] [blame] | 1031 | fprintf(f, " (success %lld ) ", |
| 1032 | (unsigned long long) pf->kcnts[i]); |
osdl.net!shemminger | 2373fde | 2004-08-13 23:54:55 +0000 | [diff] [blame] | 1033 | } |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1034 | } |
| 1035 | |
| 1036 | if (sel->flags&(TC_U32_VAROFFSET|TC_U32_OFFSET)) { |
| 1037 | fprintf(f, "\n offset "); |
| 1038 | if (sel->flags&TC_U32_VAROFFSET) |
| 1039 | fprintf(f, "%04x>>%d at %d ", ntohs(sel->offmask), sel->offshift, sel->offoff); |
| 1040 | if (sel->off) |
| 1041 | fprintf(f, "plus %d ", sel->off); |
| 1042 | } |
| 1043 | if (sel->flags&TC_U32_EAT) |
| 1044 | fprintf(f, " eat "); |
| 1045 | |
| 1046 | if (sel->hmask) { |
| 1047 | fprintf(f, "\n hash mask %08x at %d ", |
| 1048 | (unsigned int)htonl(sel->hmask), sel->hoff); |
| 1049 | } |
| 1050 | } |
| 1051 | |
osdl.net!shemminger | 2373fde | 2004-08-13 23:54:55 +0000 | [diff] [blame] | 1052 | if (tb[TCA_U32_POLICE]) { |
| 1053 | fprintf(f, "\n"); |
| 1054 | tc_print_police(f, tb[TCA_U32_POLICE]); |
| 1055 | } |
| 1056 | if (tb[TCA_U32_INDEV]) { |
| 1057 | struct rtattr *idev = tb[TCA_U32_INDEV]; |
| 1058 | fprintf(f, "\n input dev %s\n", (char *) RTA_DATA(idev)); |
| 1059 | } |
| 1060 | if (tb[TCA_U32_ACT]) { |
| 1061 | tc_print_action(f, tb[TCA_U32_ACT]); |
| 1062 | } |
| 1063 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1064 | return 0; |
| 1065 | } |
| 1066 | |
osdl.net!shemminger | 6b7dff1 | 2004-09-28 18:35:49 +0000 | [diff] [blame] | 1067 | struct filter_util u32_filter_util = { |
| 1068 | .id = "u32", |
| 1069 | .parse_fopt = u32_parse_opt, |
| 1070 | .print_fopt = u32_print_opt, |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1071 | }; |