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> |
jamal | 1750abe | 2008-04-20 10:49:24 -0400 | [diff] [blame] | 24 | #include <linux/if_ether.h> |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 25 | |
| 26 | #include "utils.h" |
| 27 | #include "tc_util.h" |
| 28 | |
Stephen Hemminger | 44dcfe8 | 2008-05-09 15:42:34 -0700 | [diff] [blame] | 29 | extern int show_pretty; |
| 30 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 31 | static void explain(void) |
| 32 | { |
Stephen Hemminger | e62077d | 2008-02-18 10:51:42 -0800 | [diff] [blame] | 33 | fprintf(stderr, "Usage: ... u32 [ match SELECTOR ... ] [ link HTID ]" |
| 34 | " [ classid CLASSID ]\n"); |
| 35 | fprintf(stderr, " [ police POLICE_SPEC ]" |
| 36 | " [ offset OFFSET_SPEC ]\n"); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 37 | fprintf(stderr, " [ ht HTID ] [ hashkey HASHKEY_SPEC ]\n"); |
| 38 | fprintf(stderr, " [ sample SAMPLE ]\n"); |
| 39 | fprintf(stderr, "or u32 divisor DIVISOR\n"); |
| 40 | fprintf(stderr, "\n"); |
| 41 | fprintf(stderr, "Where: SELECTOR := SAMPLE SAMPLE ...\n"); |
Stephen Hemminger | e62077d | 2008-02-18 10:51:42 -0800 | [diff] [blame] | 42 | fprintf(stderr, " SAMPLE := { ip | ip6 | udp | tcp | icmp |" |
| 43 | " u{32|16|8} | mark } SAMPLE_ARGS [divisor DIVISOR]\n"); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 44 | fprintf(stderr, " FILTERID := X:Y:Z\n"); |
PJ Waskiewicz | e9acc24 | 2008-02-13 03:49:09 -0800 | [diff] [blame] | 45 | fprintf(stderr, "\nNOTE: CLASSID is parsed at hexadecimal input.\n"); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 46 | } |
| 47 | |
Stephen Hemminger | 9fce67d | 2009-04-03 09:38:56 -0700 | [diff] [blame] | 48 | int get_u32_handle(__u32 *handle, const char *str) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 49 | { |
| 50 | __u32 htid=0, hash=0, nodeid=0; |
| 51 | char *tmp = strchr(str, ':'); |
| 52 | |
| 53 | if (tmp == NULL) { |
| 54 | if (memcmp("0x", str, 2) == 0) |
| 55 | return get_u32(handle, str, 16); |
| 56 | return -1; |
| 57 | } |
| 58 | htid = strtoul(str, &tmp, 16); |
| 59 | if (tmp == str && *str != ':' && *str != 0) |
| 60 | return -1; |
| 61 | if (htid>=0x1000) |
| 62 | return -1; |
| 63 | if (*tmp) { |
| 64 | str = tmp+1; |
| 65 | hash = strtoul(str, &tmp, 16); |
| 66 | if (tmp == str && *str != ':' && *str != 0) |
| 67 | return -1; |
| 68 | if (hash>=0x100) |
| 69 | return -1; |
| 70 | if (*tmp) { |
| 71 | str = tmp+1; |
| 72 | nodeid = strtoul(str, &tmp, 16); |
| 73 | if (tmp == str && *str != 0) |
| 74 | return -1; |
| 75 | if (nodeid>=0x1000) |
| 76 | return -1; |
| 77 | } |
| 78 | } |
| 79 | *handle = (htid<<20)|(hash<<12)|nodeid; |
| 80 | return 0; |
| 81 | } |
| 82 | |
| 83 | char * sprint_u32_handle(__u32 handle, char *buf) |
| 84 | { |
| 85 | int bsize = SPRINT_BSIZE-1; |
| 86 | __u32 htid = TC_U32_HTID(handle); |
| 87 | __u32 hash = TC_U32_HASH(handle); |
| 88 | __u32 nodeid = TC_U32_NODE(handle); |
| 89 | char *b = buf; |
| 90 | |
| 91 | if (handle == 0) { |
| 92 | snprintf(b, bsize, "none"); |
| 93 | return b; |
| 94 | } |
| 95 | if (htid) { |
| 96 | int l = snprintf(b, bsize, "%x:", htid>>20); |
| 97 | bsize -= l; |
| 98 | b += l; |
| 99 | } |
| 100 | if (nodeid|hash) { |
| 101 | if (hash) { |
| 102 | int l = snprintf(b, bsize, "%x", hash); |
| 103 | bsize -= l; |
| 104 | b += l; |
| 105 | } |
| 106 | if (nodeid) { |
| 107 | int l = snprintf(b, bsize, ":%x", nodeid); |
| 108 | bsize -= l; |
| 109 | b += l; |
| 110 | } |
| 111 | } |
| 112 | if (show_raw) |
| 113 | snprintf(b, bsize, "[%08x] ", handle); |
| 114 | return buf; |
| 115 | } |
| 116 | |
Stephen Hemminger | e62077d | 2008-02-18 10:51:42 -0800 | [diff] [blame] | 117 | static int pack_key(struct tc_u32_sel *sel, __u32 key, __u32 mask, |
| 118 | int off, int offmask) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 119 | { |
| 120 | int i; |
| 121 | int hwm = sel->nkeys; |
| 122 | |
| 123 | key &= mask; |
| 124 | |
| 125 | for (i=0; i<hwm; i++) { |
| 126 | if (sel->keys[i].off == off && sel->keys[i].offmask == offmask) { |
| 127 | __u32 intersect = mask&sel->keys[i].mask; |
| 128 | |
| 129 | if ((key^sel->keys[i].val) & intersect) |
| 130 | return -1; |
| 131 | sel->keys[i].val |= key; |
| 132 | sel->keys[i].mask |= mask; |
| 133 | return 0; |
| 134 | } |
| 135 | } |
| 136 | |
| 137 | if (hwm >= 128) |
| 138 | return -1; |
| 139 | if (off % 4) |
| 140 | return -1; |
| 141 | sel->keys[hwm].val = key; |
| 142 | sel->keys[hwm].mask = mask; |
| 143 | sel->keys[hwm].off = off; |
| 144 | sel->keys[hwm].offmask = offmask; |
| 145 | sel->nkeys++; |
| 146 | return 0; |
| 147 | } |
| 148 | |
Stephen Hemminger | e62077d | 2008-02-18 10:51:42 -0800 | [diff] [blame] | 149 | static int pack_key32(struct tc_u32_sel *sel, __u32 key, __u32 mask, |
| 150 | int off, int offmask) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 151 | { |
| 152 | key = htonl(key); |
| 153 | mask = htonl(mask); |
| 154 | return pack_key(sel, key, mask, off, offmask); |
| 155 | } |
| 156 | |
Stephen Hemminger | e62077d | 2008-02-18 10:51:42 -0800 | [diff] [blame] | 157 | static int pack_key16(struct tc_u32_sel *sel, __u32 key, __u32 mask, |
| 158 | int off, int offmask) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 159 | { |
| 160 | if (key > 0xFFFF || mask > 0xFFFF) |
| 161 | return -1; |
| 162 | |
| 163 | if ((off & 3) == 0) { |
| 164 | key <<= 16; |
| 165 | mask <<= 16; |
| 166 | } |
| 167 | off &= ~3; |
| 168 | key = htonl(key); |
| 169 | mask = htonl(mask); |
| 170 | |
| 171 | return pack_key(sel, key, mask, off, offmask); |
| 172 | } |
| 173 | |
| 174 | static int pack_key8(struct tc_u32_sel *sel, __u32 key, __u32 mask, int off, int offmask) |
| 175 | { |
| 176 | if (key > 0xFF || mask > 0xFF) |
| 177 | return -1; |
| 178 | |
| 179 | if ((off & 3) == 0) { |
| 180 | key <<= 24; |
| 181 | mask <<= 24; |
| 182 | } else if ((off & 3) == 1) { |
| 183 | key <<= 16; |
| 184 | mask <<= 16; |
| 185 | } else if ((off & 3) == 2) { |
| 186 | key <<= 8; |
| 187 | mask <<= 8; |
| 188 | } |
| 189 | off &= ~3; |
| 190 | key = htonl(key); |
| 191 | mask = htonl(mask); |
| 192 | |
| 193 | return pack_key(sel, key, mask, off, offmask); |
| 194 | } |
| 195 | |
| 196 | |
| 197 | int parse_at(int *argc_p, char ***argv_p, int *off, int *offmask) |
| 198 | { |
| 199 | int argc = *argc_p; |
| 200 | char **argv = *argv_p; |
| 201 | char *p = *argv; |
| 202 | |
| 203 | if (argc <= 0) |
| 204 | return -1; |
| 205 | |
| 206 | if (strlen(p) > strlen("nexthdr+") && |
| 207 | memcmp(p, "nexthdr+", strlen("nexthdr+")) == 0) { |
| 208 | *offmask = -1; |
| 209 | p += strlen("nexthdr+"); |
| 210 | } else if (matches(*argv, "nexthdr+") == 0) { |
| 211 | NEXT_ARG(); |
| 212 | *offmask = -1; |
| 213 | p = *argv; |
| 214 | } |
| 215 | |
| 216 | if (get_integer(off, p, 0)) |
| 217 | return -1; |
| 218 | argc--; argv++; |
| 219 | |
| 220 | *argc_p = argc; |
| 221 | *argv_p = argv; |
| 222 | return 0; |
| 223 | } |
| 224 | |
| 225 | |
Stephen Hemminger | e62077d | 2008-02-18 10:51:42 -0800 | [diff] [blame] | 226 | static int parse_u32(int *argc_p, char ***argv_p, struct tc_u32_sel *sel, |
| 227 | int off, int offmask) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 228 | { |
| 229 | int res = -1; |
| 230 | int argc = *argc_p; |
| 231 | char **argv = *argv_p; |
| 232 | __u32 key; |
| 233 | __u32 mask; |
| 234 | |
| 235 | if (argc < 2) |
| 236 | return -1; |
| 237 | |
| 238 | if (get_u32(&key, *argv, 0)) |
| 239 | return -1; |
| 240 | argc--; argv++; |
| 241 | |
| 242 | if (get_u32(&mask, *argv, 16)) |
| 243 | return -1; |
| 244 | argc--; argv++; |
| 245 | |
| 246 | if (argc > 0 && strcmp(argv[0], "at") == 0) { |
| 247 | NEXT_ARG(); |
| 248 | if (parse_at(&argc, &argv, &off, &offmask)) |
| 249 | return -1; |
| 250 | } |
| 251 | |
| 252 | res = pack_key32(sel, key, mask, off, offmask); |
| 253 | *argc_p = argc; |
| 254 | *argv_p = argv; |
| 255 | return res; |
| 256 | } |
| 257 | |
Stephen Hemminger | e62077d | 2008-02-18 10:51:42 -0800 | [diff] [blame] | 258 | static int parse_u16(int *argc_p, char ***argv_p, struct tc_u32_sel *sel, |
| 259 | int off, int offmask) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 260 | { |
| 261 | int res = -1; |
| 262 | int argc = *argc_p; |
| 263 | char **argv = *argv_p; |
| 264 | __u32 key; |
| 265 | __u32 mask; |
| 266 | |
| 267 | if (argc < 2) |
| 268 | return -1; |
| 269 | |
| 270 | if (get_u32(&key, *argv, 0)) |
| 271 | return -1; |
| 272 | argc--; argv++; |
| 273 | |
| 274 | if (get_u32(&mask, *argv, 16)) |
| 275 | return -1; |
| 276 | argc--; argv++; |
| 277 | |
| 278 | if (argc > 0 && strcmp(argv[0], "at") == 0) { |
| 279 | NEXT_ARG(); |
| 280 | if (parse_at(&argc, &argv, &off, &offmask)) |
| 281 | return -1; |
| 282 | } |
| 283 | res = pack_key16(sel, key, mask, off, offmask); |
| 284 | *argc_p = argc; |
| 285 | *argv_p = argv; |
| 286 | return res; |
| 287 | } |
| 288 | |
Stephen Hemminger | e62077d | 2008-02-18 10:51:42 -0800 | [diff] [blame] | 289 | static int parse_u8(int *argc_p, char ***argv_p, struct tc_u32_sel *sel, |
| 290 | int off, int offmask) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 291 | { |
| 292 | int res = -1; |
| 293 | int argc = *argc_p; |
| 294 | char **argv = *argv_p; |
| 295 | __u32 key; |
| 296 | __u32 mask; |
| 297 | |
| 298 | if (argc < 2) |
| 299 | return -1; |
| 300 | |
| 301 | if (get_u32(&key, *argv, 0)) |
| 302 | return -1; |
| 303 | argc--; argv++; |
| 304 | |
| 305 | if (get_u32(&mask, *argv, 16)) |
| 306 | return -1; |
| 307 | argc--; argv++; |
| 308 | |
| 309 | if (key > 0xFF || mask > 0xFF) |
| 310 | return -1; |
| 311 | |
| 312 | if (argc > 0 && strcmp(argv[0], "at") == 0) { |
| 313 | NEXT_ARG(); |
| 314 | if (parse_at(&argc, &argv, &off, &offmask)) |
| 315 | return -1; |
| 316 | } |
| 317 | |
| 318 | res = pack_key8(sel, key, mask, off, offmask); |
| 319 | *argc_p = argc; |
| 320 | *argv_p = argv; |
| 321 | return res; |
| 322 | } |
| 323 | |
Stephen Hemminger | e62077d | 2008-02-18 10:51:42 -0800 | [diff] [blame] | 324 | static int parse_ip_addr(int *argc_p, char ***argv_p, struct tc_u32_sel *sel, |
| 325 | int off) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 326 | { |
| 327 | int res = -1; |
| 328 | int argc = *argc_p; |
| 329 | char **argv = *argv_p; |
| 330 | inet_prefix addr; |
| 331 | __u32 mask; |
| 332 | int offmask = 0; |
| 333 | |
| 334 | if (argc < 1) |
| 335 | return -1; |
| 336 | |
| 337 | if (get_prefix_1(&addr, *argv, AF_INET)) |
| 338 | return -1; |
| 339 | argc--; argv++; |
| 340 | |
| 341 | if (argc > 0 && strcmp(argv[0], "at") == 0) { |
| 342 | NEXT_ARG(); |
| 343 | if (parse_at(&argc, &argv, &off, &offmask)) |
| 344 | return -1; |
| 345 | } |
| 346 | |
| 347 | mask = 0; |
| 348 | if (addr.bitlen) |
| 349 | mask = htonl(0xFFFFFFFF<<(32-addr.bitlen)); |
| 350 | if (pack_key(sel, addr.data[0], mask, off, offmask) < 0) |
| 351 | return -1; |
| 352 | res = 0; |
| 353 | |
| 354 | *argc_p = argc; |
| 355 | *argv_p = argv; |
| 356 | return res; |
| 357 | } |
| 358 | |
Stephen Hemminger | e62077d | 2008-02-18 10:51:42 -0800 | [diff] [blame] | 359 | static int parse_ip6_addr(int *argc_p, char ***argv_p, |
| 360 | struct tc_u32_sel *sel, int off) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 361 | { |
| 362 | int res = -1; |
| 363 | int argc = *argc_p; |
| 364 | char **argv = *argv_p; |
| 365 | int plen = 128; |
| 366 | int i; |
| 367 | inet_prefix addr; |
| 368 | int offmask = 0; |
| 369 | |
| 370 | if (argc < 1) |
| 371 | return -1; |
| 372 | |
| 373 | if (get_prefix_1(&addr, *argv, AF_INET6)) |
| 374 | return -1; |
| 375 | argc--; argv++; |
| 376 | |
| 377 | if (argc > 0 && strcmp(argv[0], "at") == 0) { |
| 378 | NEXT_ARG(); |
| 379 | if (parse_at(&argc, &argv, &off, &offmask)) |
| 380 | return -1; |
| 381 | } |
| 382 | |
| 383 | plen = addr.bitlen; |
| 384 | for (i=0; i<plen; i+=32) { |
osdl.net!shemminger | 2373fde | 2004-08-13 23:54:55 +0000 | [diff] [blame] | 385 | // if (((i+31)&~0x1F)<=plen) { |
Stephen Hemminger | e62077d | 2008-02-18 10:51:42 -0800 | [diff] [blame] | 386 | if (i + 31 <= plen) { |
| 387 | res = pack_key(sel, addr.data[i/32], |
| 388 | 0xFFFFFFFF, off+4*(i/32), offmask); |
| 389 | if (res < 0) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 390 | return -1; |
Stephen Hemminger | e62077d | 2008-02-18 10:51:42 -0800 | [diff] [blame] | 391 | } else if (i < plen) { |
| 392 | __u32 mask = htonl(0xFFFFFFFF << (32 - (plen -i ))); |
| 393 | res = pack_key(sel, addr.data[i/32], |
| 394 | mask, off+4*(i/32), offmask); |
| 395 | if (res < 0) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 396 | return -1; |
| 397 | } |
| 398 | } |
| 399 | res = 0; |
| 400 | |
| 401 | *argc_p = argc; |
| 402 | *argv_p = argv; |
| 403 | return res; |
| 404 | } |
| 405 | |
Petr Lautrbach | 0156412 | 2010-06-14 03:36:28 +0000 | [diff] [blame] | 406 | static int parse_ip6_class(int *argc_p, char ***argv_p, struct tc_u32_sel *sel) |
| 407 | { |
| 408 | int res = -1; |
| 409 | int argc = *argc_p; |
| 410 | char **argv = *argv_p; |
| 411 | __u32 key; |
| 412 | __u32 mask; |
| 413 | int off = 0; |
| 414 | int offmask = 0; |
| 415 | |
| 416 | if (argc < 2) |
| 417 | return -1; |
| 418 | |
| 419 | if (get_u32(&key, *argv, 0)) |
| 420 | return -1; |
| 421 | argc--; argv++; |
| 422 | |
| 423 | if (get_u32(&mask, *argv, 16)) |
| 424 | return -1; |
| 425 | argc--; argv++; |
| 426 | |
| 427 | if (key > 0xFF || mask > 0xFF) |
| 428 | return -1; |
| 429 | |
| 430 | key <<= 20; |
| 431 | mask <<= 20; |
| 432 | key = htonl(key); |
| 433 | mask = htonl(mask); |
| 434 | |
Stephen Hemminger | d7ac9ad | 2011-03-09 10:42:35 -0800 | [diff] [blame] | 435 | res = pack_key(sel, key, mask, off, offmask); |
| 436 | if (res < 0) |
Petr Lautrbach | 0156412 | 2010-06-14 03:36:28 +0000 | [diff] [blame] | 437 | return -1; |
| 438 | |
| 439 | *argc_p = argc; |
| 440 | *argv_p = argv; |
| 441 | return 0; |
| 442 | } |
| 443 | |
Stephen Hemminger | b4d41f4 | 2009-04-15 15:39:34 -0700 | [diff] [blame] | 444 | static int parse_ether_addr(int *argc_p, char ***argv_p, |
| 445 | struct tc_u32_sel *sel, int off) |
| 446 | { |
| 447 | int res = -1; |
| 448 | int argc = *argc_p; |
| 449 | char **argv = *argv_p; |
| 450 | __u8 addr[6]; |
| 451 | int offmask = 0; |
Stephen Hemminger | b4d41f4 | 2009-04-15 15:39:34 -0700 | [diff] [blame] | 452 | int i; |
| 453 | |
| 454 | if (argc < 1) |
| 455 | return -1; |
| 456 | |
| 457 | if (sscanf(*argv, "%hhx:%hhx:%hhx:%hhx:%hhx:%hhx", |
| 458 | addr + 0, addr + 1, addr + 2, |
| 459 | addr + 3, addr + 4, addr + 5) != 6) { |
| 460 | fprintf(stderr, "parse_ether_addr: improperly formed address '%s'\n", |
| 461 | *argv); |
| 462 | return -1; |
| 463 | } |
| 464 | |
| 465 | argc--; argv++; |
| 466 | if (argc > 0 && strcmp(argv[0], "at") == 0) { |
| 467 | NEXT_ARG(); |
| 468 | if (parse_at(&argc, &argv, &off, &offmask)) |
| 469 | return -1; |
| 470 | } |
| 471 | |
Stephen Hemminger | e3d153c | 2010-08-02 11:55:30 -0700 | [diff] [blame] | 472 | for (i = 0; i < 6; i++) { |
| 473 | res = pack_key8(sel, addr[i], 0xFF, off + i, offmask); |
Stephen Hemminger | b4d41f4 | 2009-04-15 15:39:34 -0700 | [diff] [blame] | 474 | if (res < 0) |
| 475 | return -1; |
| 476 | } |
| 477 | |
| 478 | *argc_p = argc; |
| 479 | *argv_p = argv; |
| 480 | return res; |
| 481 | } |
| 482 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 483 | static int parse_ip(int *argc_p, char ***argv_p, struct tc_u32_sel *sel) |
| 484 | { |
| 485 | int res = -1; |
| 486 | int argc = *argc_p; |
| 487 | char **argv = *argv_p; |
| 488 | |
| 489 | if (argc < 2) |
| 490 | return -1; |
| 491 | |
| 492 | if (strcmp(*argv, "src") == 0) { |
| 493 | NEXT_ARG(); |
| 494 | res = parse_ip_addr(&argc, &argv, sel, 12); |
Stephen Hemminger | 9fce67d | 2009-04-03 09:38:56 -0700 | [diff] [blame] | 495 | } else if (strcmp(*argv, "dst") == 0) { |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 496 | NEXT_ARG(); |
| 497 | res = parse_ip_addr(&argc, &argv, sel, 16); |
Stephen Hemminger | 9fce67d | 2009-04-03 09:38:56 -0700 | [diff] [blame] | 498 | } else if (strcmp(*argv, "tos") == 0 || |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 499 | matches(*argv, "dsfield") == 0) { |
| 500 | NEXT_ARG(); |
| 501 | res = parse_u8(&argc, &argv, sel, 1, 0); |
Stephen Hemminger | 9fce67d | 2009-04-03 09:38:56 -0700 | [diff] [blame] | 502 | } else if (strcmp(*argv, "ihl") == 0) { |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 503 | NEXT_ARG(); |
| 504 | res = parse_u8(&argc, &argv, sel, 0, 0); |
Stephen Hemminger | 9fce67d | 2009-04-03 09:38:56 -0700 | [diff] [blame] | 505 | } else if (strcmp(*argv, "protocol") == 0) { |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 506 | NEXT_ARG(); |
| 507 | res = parse_u8(&argc, &argv, sel, 9, 0); |
Stephen Hemminger | 9fce67d | 2009-04-03 09:38:56 -0700 | [diff] [blame] | 508 | } else if (matches(*argv, "precedence") == 0) { |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 509 | NEXT_ARG(); |
| 510 | res = parse_u8(&argc, &argv, sel, 1, 0); |
Stephen Hemminger | 9fce67d | 2009-04-03 09:38:56 -0700 | [diff] [blame] | 511 | } else if (strcmp(*argv, "nofrag") == 0) { |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 512 | argc--; argv++; |
| 513 | res = pack_key16(sel, 0, 0x3FFF, 6, 0); |
Stephen Hemminger | 9fce67d | 2009-04-03 09:38:56 -0700 | [diff] [blame] | 514 | } else if (strcmp(*argv, "firstfrag") == 0) { |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 515 | argc--; argv++; |
| 516 | res = pack_key16(sel, 0, 0x1FFF, 6, 0); |
Stephen Hemminger | 9fce67d | 2009-04-03 09:38:56 -0700 | [diff] [blame] | 517 | } else if (strcmp(*argv, "df") == 0) { |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 518 | argc--; argv++; |
| 519 | res = pack_key16(sel, 0x4000, 0x4000, 6, 0); |
Stephen Hemminger | 9fce67d | 2009-04-03 09:38:56 -0700 | [diff] [blame] | 520 | } else if (strcmp(*argv, "mf") == 0) { |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 521 | argc--; argv++; |
| 522 | res = pack_key16(sel, 0x2000, 0x2000, 6, 0); |
Stephen Hemminger | 9fce67d | 2009-04-03 09:38:56 -0700 | [diff] [blame] | 523 | } else if (strcmp(*argv, "dport") == 0) { |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 524 | NEXT_ARG(); |
| 525 | res = parse_u16(&argc, &argv, sel, 22, 0); |
Stephen Hemminger | 9fce67d | 2009-04-03 09:38:56 -0700 | [diff] [blame] | 526 | } else if (strcmp(*argv, "sport") == 0) { |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 527 | NEXT_ARG(); |
| 528 | res = parse_u16(&argc, &argv, sel, 20, 0); |
Stephen Hemminger | 9fce67d | 2009-04-03 09:38:56 -0700 | [diff] [blame] | 529 | } else if (strcmp(*argv, "icmp_type") == 0) { |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 530 | NEXT_ARG(); |
| 531 | res = parse_u8(&argc, &argv, sel, 20, 0); |
Stephen Hemminger | 9fce67d | 2009-04-03 09:38:56 -0700 | [diff] [blame] | 532 | } else if (strcmp(*argv, "icmp_code") == 0) { |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 533 | NEXT_ARG(); |
| 534 | res = parse_u8(&argc, &argv, sel, 20, 1); |
Stephen Hemminger | 9fce67d | 2009-04-03 09:38:56 -0700 | [diff] [blame] | 535 | } else |
| 536 | return -1; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 537 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 538 | *argc_p = argc; |
| 539 | *argv_p = argv; |
| 540 | return res; |
| 541 | } |
Stephen Hemminger | 6b1ac65 | 2007-12-31 10:29:52 -0800 | [diff] [blame] | 542 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 543 | static int parse_ip6(int *argc_p, char ***argv_p, struct tc_u32_sel *sel) |
| 544 | { |
| 545 | int res = -1; |
| 546 | int argc = *argc_p; |
| 547 | char **argv = *argv_p; |
| 548 | |
| 549 | if (argc < 2) |
| 550 | return -1; |
| 551 | |
| 552 | if (strcmp(*argv, "src") == 0) { |
| 553 | NEXT_ARG(); |
| 554 | res = parse_ip6_addr(&argc, &argv, sel, 8); |
Stephen Hemminger | 9fce67d | 2009-04-03 09:38:56 -0700 | [diff] [blame] | 555 | } else if (strcmp(*argv, "dst") == 0) { |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 556 | NEXT_ARG(); |
| 557 | res = parse_ip6_addr(&argc, &argv, sel, 24); |
Stephen Hemminger | 9fce67d | 2009-04-03 09:38:56 -0700 | [diff] [blame] | 558 | } else if (strcmp(*argv, "priority") == 0) { |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 559 | NEXT_ARG(); |
Petr Lautrbach | 0156412 | 2010-06-14 03:36:28 +0000 | [diff] [blame] | 560 | res = parse_ip6_class(&argc, &argv, sel); |
Stephen Hemminger | 9fce67d | 2009-04-03 09:38:56 -0700 | [diff] [blame] | 561 | } else if (strcmp(*argv, "protocol") == 0) { |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 562 | NEXT_ARG(); |
| 563 | res = parse_u8(&argc, &argv, sel, 6, 0); |
Stephen Hemminger | 9fce67d | 2009-04-03 09:38:56 -0700 | [diff] [blame] | 564 | } else if (strcmp(*argv, "flowlabel") == 0) { |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 565 | NEXT_ARG(); |
| 566 | res = parse_u32(&argc, &argv, sel, 0, 0); |
Stephen Hemminger | 9fce67d | 2009-04-03 09:38:56 -0700 | [diff] [blame] | 567 | } else if (strcmp(*argv, "dport") == 0) { |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 568 | NEXT_ARG(); |
| 569 | res = parse_u16(&argc, &argv, sel, 42, 0); |
Stephen Hemminger | 9fce67d | 2009-04-03 09:38:56 -0700 | [diff] [blame] | 570 | } else if (strcmp(*argv, "sport") == 0) { |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 571 | NEXT_ARG(); |
| 572 | res = parse_u16(&argc, &argv, sel, 40, 0); |
Stephen Hemminger | 9fce67d | 2009-04-03 09:38:56 -0700 | [diff] [blame] | 573 | } else if (strcmp(*argv, "icmp_type") == 0) { |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 574 | NEXT_ARG(); |
| 575 | res = parse_u8(&argc, &argv, sel, 40, 0); |
Stephen Hemminger | 9fce67d | 2009-04-03 09:38:56 -0700 | [diff] [blame] | 576 | } else if (strcmp(*argv, "icmp_code") == 0) { |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 577 | NEXT_ARG(); |
| 578 | res = parse_u8(&argc, &argv, sel, 41, 1); |
Stephen Hemminger | 9fce67d | 2009-04-03 09:38:56 -0700 | [diff] [blame] | 579 | } else |
| 580 | return -1; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 581 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 582 | *argc_p = argc; |
| 583 | *argv_p = argv; |
| 584 | return res; |
| 585 | } |
| 586 | |
Stephen Hemminger | b4d41f4 | 2009-04-15 15:39:34 -0700 | [diff] [blame] | 587 | static int parse_ether(int *argc_p, char ***argv_p, struct tc_u32_sel *sel) |
| 588 | { |
| 589 | int res = -1; |
| 590 | int argc = *argc_p; |
| 591 | char **argv = *argv_p; |
| 592 | |
| 593 | if (argc < 2) |
| 594 | return -1; |
| 595 | |
| 596 | if (strcmp(*argv, "src") == 0) { |
| 597 | NEXT_ARG(); |
| 598 | res = parse_ether_addr(&argc, &argv, sel, -8); |
| 599 | } else if (strcmp(*argv, "dst") == 0) { |
| 600 | NEXT_ARG(); |
| 601 | res = parse_ether_addr(&argc, &argv, sel, -14); |
| 602 | } else { |
| 603 | fprintf(stderr, "Unknown match: ether %s\n", *argv); |
| 604 | return -1; |
| 605 | } |
| 606 | |
| 607 | *argc_p = argc; |
| 608 | *argv_p = argv; |
| 609 | return res; |
| 610 | } |
| 611 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 612 | #define parse_tcp parse_udp |
| 613 | static int parse_udp(int *argc_p, char ***argv_p, struct tc_u32_sel *sel) |
| 614 | { |
| 615 | int res = -1; |
| 616 | int argc = *argc_p; |
| 617 | char **argv = *argv_p; |
| 618 | |
| 619 | if (argc < 2) |
| 620 | return -1; |
| 621 | |
| 622 | if (strcmp(*argv, "src") == 0) { |
| 623 | NEXT_ARG(); |
| 624 | res = parse_u16(&argc, &argv, sel, 0, -1); |
Stephen Hemminger | 9fce67d | 2009-04-03 09:38:56 -0700 | [diff] [blame] | 625 | } else if (strcmp(*argv, "dst") == 0) { |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 626 | NEXT_ARG(); |
| 627 | res = parse_u16(&argc, &argv, sel, 2, -1); |
Stephen Hemminger | 9fce67d | 2009-04-03 09:38:56 -0700 | [diff] [blame] | 628 | } else |
| 629 | return -1; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 630 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 631 | *argc_p = argc; |
| 632 | *argv_p = argv; |
| 633 | return res; |
| 634 | } |
| 635 | |
Stephen Hemminger | 6b1ac65 | 2007-12-31 10:29:52 -0800 | [diff] [blame] | 636 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 637 | static int parse_icmp(int *argc_p, char ***argv_p, struct tc_u32_sel *sel) |
| 638 | { |
| 639 | int res = -1; |
| 640 | int argc = *argc_p; |
| 641 | char **argv = *argv_p; |
| 642 | |
| 643 | if (argc < 2) |
| 644 | return -1; |
| 645 | |
| 646 | if (strcmp(*argv, "type") == 0) { |
| 647 | NEXT_ARG(); |
| 648 | res = parse_u8(&argc, &argv, sel, 0, -1); |
Stephen Hemminger | 9fce67d | 2009-04-03 09:38:56 -0700 | [diff] [blame] | 649 | } else if (strcmp(*argv, "code") == 0) { |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 650 | NEXT_ARG(); |
| 651 | res = parse_u8(&argc, &argv, sel, 1, -1); |
Stephen Hemminger | 9fce67d | 2009-04-03 09:38:56 -0700 | [diff] [blame] | 652 | } else |
| 653 | return -1; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 654 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 655 | *argc_p = argc; |
| 656 | *argv_p = argv; |
| 657 | return res; |
| 658 | } |
| 659 | |
net[shemminger]!shemminger | 6f0ba88 | 2005-01-17 23:27:56 +0000 | [diff] [blame] | 660 | static int parse_mark(int *argc_p, char ***argv_p, struct nlmsghdr *n) |
| 661 | { |
| 662 | int res = -1; |
| 663 | int argc = *argc_p; |
| 664 | char **argv = *argv_p; |
| 665 | struct tc_u32_mark mark; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 666 | |
net[shemminger]!shemminger | 6f0ba88 | 2005-01-17 23:27:56 +0000 | [diff] [blame] | 667 | if (argc <= 1) |
| 668 | return -1; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 669 | |
net[shemminger]!shemminger | 6f0ba88 | 2005-01-17 23:27:56 +0000 | [diff] [blame] | 670 | if (get_u32(&mark.val, *argv, 0)) { |
| 671 | fprintf(stderr, "Illegal \"mark\" value\n"); |
| 672 | return -1; |
| 673 | } |
| 674 | NEXT_ARG(); |
| 675 | |
| 676 | if (get_u32(&mark.mask, *argv, 0)) { |
| 677 | fprintf(stderr, "Illegal \"mark\" mask\n"); |
| 678 | return -1; |
| 679 | } |
| 680 | NEXT_ARG(); |
| 681 | |
| 682 | if ((mark.val & mark.mask) != mark.val) { |
| 683 | fprintf(stderr, "Illegal \"mark\" (impossible combination)\n"); |
| 684 | return -1; |
| 685 | } |
| 686 | |
| 687 | addattr_l(n, MAX_MSG, TCA_U32_MARK, &mark, sizeof(mark)); |
| 688 | res = 0; |
| 689 | |
| 690 | *argc_p = argc; |
| 691 | *argv_p = argv; |
| 692 | return res; |
| 693 | } |
| 694 | |
Stephen Hemminger | e62077d | 2008-02-18 10:51:42 -0800 | [diff] [blame] | 695 | static int parse_selector(int *argc_p, char ***argv_p, |
| 696 | struct tc_u32_sel *sel, struct nlmsghdr *n) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 697 | { |
| 698 | int argc = *argc_p; |
| 699 | char **argv = *argv_p; |
| 700 | int res = -1; |
| 701 | |
| 702 | if (argc <= 0) |
| 703 | return -1; |
| 704 | |
| 705 | if (matches(*argv, "u32") == 0) { |
| 706 | NEXT_ARG(); |
| 707 | res = parse_u32(&argc, &argv, sel, 0, 0); |
Stephen Hemminger | 9fce67d | 2009-04-03 09:38:56 -0700 | [diff] [blame] | 708 | } else if (matches(*argv, "u16") == 0) { |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 709 | NEXT_ARG(); |
| 710 | res = parse_u16(&argc, &argv, sel, 0, 0); |
Stephen Hemminger | 9fce67d | 2009-04-03 09:38:56 -0700 | [diff] [blame] | 711 | } else if (matches(*argv, "u8") == 0) { |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 712 | NEXT_ARG(); |
| 713 | res = parse_u8(&argc, &argv, sel, 0, 0); |
Stephen Hemminger | 9fce67d | 2009-04-03 09:38:56 -0700 | [diff] [blame] | 714 | } else if (matches(*argv, "ip") == 0) { |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 715 | NEXT_ARG(); |
| 716 | res = parse_ip(&argc, &argv, sel); |
Stephen Hemminger | 9fce67d | 2009-04-03 09:38:56 -0700 | [diff] [blame] | 717 | } else if (matches(*argv, "ip6") == 0) { |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 718 | NEXT_ARG(); |
| 719 | res = parse_ip6(&argc, &argv, sel); |
Stephen Hemminger | 9fce67d | 2009-04-03 09:38:56 -0700 | [diff] [blame] | 720 | } else if (matches(*argv, "udp") == 0) { |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 721 | NEXT_ARG(); |
| 722 | res = parse_udp(&argc, &argv, sel); |
Stephen Hemminger | 9fce67d | 2009-04-03 09:38:56 -0700 | [diff] [blame] | 723 | } else if (matches(*argv, "tcp") == 0) { |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 724 | NEXT_ARG(); |
| 725 | res = parse_tcp(&argc, &argv, sel); |
Stephen Hemminger | 9fce67d | 2009-04-03 09:38:56 -0700 | [diff] [blame] | 726 | } else if (matches(*argv, "icmp") == 0) { |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 727 | NEXT_ARG(); |
| 728 | res = parse_icmp(&argc, &argv, sel); |
Stephen Hemminger | 9fce67d | 2009-04-03 09:38:56 -0700 | [diff] [blame] | 729 | } else if (matches(*argv, "mark") == 0) { |
net[shemminger]!shemminger | 6f0ba88 | 2005-01-17 23:27:56 +0000 | [diff] [blame] | 730 | NEXT_ARG(); |
| 731 | res = parse_mark(&argc, &argv, n); |
Stephen Hemminger | b4d41f4 | 2009-04-15 15:39:34 -0700 | [diff] [blame] | 732 | } else if (matches(*argv, "ether") == 0) { |
| 733 | NEXT_ARG(); |
| 734 | res = parse_ether(&argc, &argv, sel); |
Stephen Hemminger | 9fce67d | 2009-04-03 09:38:56 -0700 | [diff] [blame] | 735 | } else |
| 736 | return -1; |
net[shemminger]!shemminger | 6f0ba88 | 2005-01-17 23:27:56 +0000 | [diff] [blame] | 737 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 738 | *argc_p = argc; |
| 739 | *argv_p = argv; |
| 740 | return res; |
| 741 | } |
| 742 | |
| 743 | static int parse_offset(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, "plus") == 0) { |
| 750 | int off; |
| 751 | NEXT_ARG(); |
| 752 | if (get_integer(&off, *argv, 0)) |
| 753 | return -1; |
| 754 | sel->off = off; |
| 755 | sel->flags |= TC_U32_OFFSET; |
| 756 | } else if (matches(*argv, "at") == 0) { |
| 757 | int off; |
| 758 | NEXT_ARG(); |
| 759 | if (get_integer(&off, *argv, 0)) |
| 760 | return -1; |
| 761 | sel->offoff = off; |
| 762 | if (off%2) { |
| 763 | fprintf(stderr, "offset \"at\" must be even\n"); |
| 764 | return -1; |
| 765 | } |
| 766 | sel->flags |= TC_U32_VAROFFSET; |
| 767 | } else if (matches(*argv, "mask") == 0) { |
| 768 | __u16 mask; |
| 769 | NEXT_ARG(); |
| 770 | if (get_u16(&mask, *argv, 16)) |
| 771 | return -1; |
| 772 | sel->offmask = htons(mask); |
| 773 | sel->flags |= TC_U32_VAROFFSET; |
| 774 | } else if (matches(*argv, "shift") == 0) { |
| 775 | int shift; |
| 776 | NEXT_ARG(); |
| 777 | if (get_integer(&shift, *argv, 0)) |
| 778 | return -1; |
| 779 | sel->offshift = shift; |
| 780 | sel->flags |= TC_U32_VAROFFSET; |
| 781 | } else if (matches(*argv, "eat") == 0) { |
| 782 | sel->flags |= TC_U32_EAT; |
| 783 | } else { |
| 784 | break; |
| 785 | } |
| 786 | argc--; argv++; |
| 787 | } |
| 788 | |
| 789 | *argc_p = argc; |
| 790 | *argv_p = argv; |
| 791 | return 0; |
| 792 | } |
| 793 | |
| 794 | static int parse_hashkey(int *argc_p, char ***argv_p, struct tc_u32_sel *sel) |
| 795 | { |
| 796 | int argc = *argc_p; |
| 797 | char **argv = *argv_p; |
| 798 | |
| 799 | while (argc > 0) { |
| 800 | if (matches(*argv, "mask") == 0) { |
| 801 | __u32 mask; |
| 802 | NEXT_ARG(); |
| 803 | if (get_u32(&mask, *argv, 16)) |
| 804 | return -1; |
| 805 | sel->hmask = htonl(mask); |
| 806 | } else if (matches(*argv, "at") == 0) { |
| 807 | int num; |
| 808 | NEXT_ARG(); |
| 809 | if (get_integer(&num, *argv, 0)) |
| 810 | return -1; |
| 811 | if (num%4) |
| 812 | return -1; |
| 813 | sel->hoff = num; |
| 814 | } else { |
| 815 | break; |
| 816 | } |
| 817 | argc--; argv++; |
| 818 | } |
| 819 | |
| 820 | *argc_p = argc; |
| 821 | *argv_p = argv; |
| 822 | return 0; |
| 823 | } |
| 824 | |
jamal | 1750abe | 2008-04-20 10:49:24 -0400 | [diff] [blame] | 825 | static void print_ipv4(FILE *f, const struct tc_u32_key *key) |
Stephen Hemminger | 6b1ac65 | 2007-12-31 10:29:52 -0800 | [diff] [blame] | 826 | { |
| 827 | char abuf[256]; |
| 828 | |
Stephen Hemminger | 6b1ac65 | 2007-12-31 10:29:52 -0800 | [diff] [blame] | 829 | switch (key->off) { |
Stephen Hemminger | 4c9ffc2 | 2008-02-18 11:35:29 -0800 | [diff] [blame] | 830 | case 0: |
| 831 | switch (ntohl(key->mask)) { |
| 832 | case 0x0f000000: |
jamal | 1750abe | 2008-04-20 10:49:24 -0400 | [diff] [blame] | 833 | fprintf(f, "\n match IP ihl %u", ntohl(key->val) >> 24); |
Stephen Hemminger | 4c9ffc2 | 2008-02-18 11:35:29 -0800 | [diff] [blame] | 834 | return; |
| 835 | case 0x00ff0000: |
jamal | 1750abe | 2008-04-20 10:49:24 -0400 | [diff] [blame] | 836 | fprintf(f, "\n match IP dsfield %#x", ntohl(key->val) >> 16); |
Stephen Hemminger | 4c9ffc2 | 2008-02-18 11:35:29 -0800 | [diff] [blame] | 837 | return; |
| 838 | } |
| 839 | break; |
| 840 | case 8: |
| 841 | if (ntohl(key->mask) == 0x00ff0000) { |
jamal | 1750abe | 2008-04-20 10:49:24 -0400 | [diff] [blame] | 842 | fprintf(f, "\n match IP protocol %d", ntohl(key->val) >> 16); |
Stephen Hemminger | 4c9ffc2 | 2008-02-18 11:35:29 -0800 | [diff] [blame] | 843 | return; |
| 844 | } |
| 845 | break; |
Stephen Hemminger | 6b1ac65 | 2007-12-31 10:29:52 -0800 | [diff] [blame] | 846 | case 12: |
| 847 | case 16: { |
| 848 | int bits = mask2bits(key->mask); |
| 849 | if (bits >= 0) { |
Stephen Hemminger | 4c9ffc2 | 2008-02-18 11:35:29 -0800 | [diff] [blame] | 850 | fprintf(f, "\n %s %s/%d", |
jamal | 1750abe | 2008-04-20 10:49:24 -0400 | [diff] [blame] | 851 | key->off == 12 ? "match IP src" : "match IP dst", |
Stephen Hemminger | e62077d | 2008-02-18 10:51:42 -0800 | [diff] [blame] | 852 | inet_ntop(AF_INET, &key->val, |
| 853 | abuf, sizeof(abuf)), |
Stephen Hemminger | 6b1ac65 | 2007-12-31 10:29:52 -0800 | [diff] [blame] | 854 | bits); |
| 855 | return; |
| 856 | } |
| 857 | } |
| 858 | break; |
| 859 | |
| 860 | case 20: |
Stephen Hemminger | 4c9ffc2 | 2008-02-18 11:35:29 -0800 | [diff] [blame] | 861 | switch (ntohl(key->mask)) { |
| 862 | case 0x0000ffff: |
Stephen Hemminger | bcd7abd | 2011-05-19 09:19:17 -0700 | [diff] [blame^] | 863 | fprintf(f, "\n match dport %u", |
Stephen Hemminger | 4c9ffc2 | 2008-02-18 11:35:29 -0800 | [diff] [blame] | 864 | ntohl(key->val) & 0xffff); |
| 865 | return; |
| 866 | case 0xffff0000: |
Stephen Hemminger | bcd7abd | 2011-05-19 09:19:17 -0700 | [diff] [blame^] | 867 | fprintf(f, "\n match sport %u", |
Stephen Hemminger | 4c9ffc2 | 2008-02-18 11:35:29 -0800 | [diff] [blame] | 868 | ntohl(key->val) >> 16); |
| 869 | return; |
| 870 | case 0xffffffff: |
Stephen Hemminger | bcd7abd | 2011-05-19 09:19:17 -0700 | [diff] [blame^] | 871 | fprintf(f, "\n match dport %u, match sport %u", |
Stephen Hemminger | 4c9ffc2 | 2008-02-18 11:35:29 -0800 | [diff] [blame] | 872 | ntohl(key->val) & 0xffff, |
| 873 | ntohl(key->val) >> 16); |
| 874 | |
Stephen Hemminger | 6b1ac65 | 2007-12-31 10:29:52 -0800 | [diff] [blame] | 875 | return; |
| 876 | } |
jamal | 1750abe | 2008-04-20 10:49:24 -0400 | [diff] [blame] | 877 | /* XXX: Default print_raw */ |
Stephen Hemminger | 6b1ac65 | 2007-12-31 10:29:52 -0800 | [diff] [blame] | 878 | } |
jamal | 1750abe | 2008-04-20 10:49:24 -0400 | [diff] [blame] | 879 | } |
Stephen Hemminger | 6b1ac65 | 2007-12-31 10:29:52 -0800 | [diff] [blame] | 880 | |
Stephen Hemminger | d13cee6 | 2009-05-26 15:14:29 -0700 | [diff] [blame] | 881 | static void print_ipv6(FILE *f, const struct tc_u32_key *key) |
| 882 | { |
| 883 | char abuf[256]; |
| 884 | |
| 885 | switch (key->off) { |
| 886 | case 0: |
| 887 | switch (ntohl(key->mask)) { |
| 888 | case 0x0f000000: |
| 889 | fprintf(f, "\n match IP ihl %u", ntohl(key->val) >> 24); |
| 890 | return; |
| 891 | case 0x00ff0000: |
| 892 | fprintf(f, "\n match IP dsfield %#x", ntohl(key->val) >> 16); |
| 893 | return; |
| 894 | } |
| 895 | break; |
| 896 | case 8: |
| 897 | if (ntohl(key->mask) == 0x00ff0000) { |
| 898 | fprintf(f, "\n match IP protocol %d", ntohl(key->val) >> 16); |
| 899 | return; |
| 900 | } |
| 901 | break; |
| 902 | case 12: |
| 903 | case 16: { |
| 904 | int bits = mask2bits(key->mask); |
| 905 | if (bits >= 0) { |
| 906 | fprintf(f, "\n %s %s/%d", |
| 907 | key->off == 12 ? "match IP src" : "match IP dst", |
| 908 | inet_ntop(AF_INET, &key->val, |
| 909 | abuf, sizeof(abuf)), |
| 910 | bits); |
| 911 | return; |
| 912 | } |
| 913 | } |
| 914 | break; |
| 915 | |
| 916 | case 20: |
| 917 | switch (ntohl(key->mask)) { |
| 918 | case 0x0000ffff: |
| 919 | fprintf(f, "\n match sport %u", |
| 920 | ntohl(key->val) & 0xffff); |
| 921 | return; |
| 922 | case 0xffff0000: |
| 923 | fprintf(f, "\n match dport %u", |
| 924 | ntohl(key->val) >> 16); |
| 925 | return; |
| 926 | case 0xffffffff: |
| 927 | fprintf(f, "\n match sport %u, match dport %u", |
| 928 | ntohl(key->val) & 0xffff, |
| 929 | ntohl(key->val) >> 16); |
| 930 | |
| 931 | return; |
| 932 | } |
| 933 | /* XXX: Default print_raw */ |
| 934 | } |
| 935 | } |
| 936 | |
jamal | 1750abe | 2008-04-20 10:49:24 -0400 | [diff] [blame] | 937 | static void print_raw(FILE *f, const struct tc_u32_key *key) |
| 938 | { |
| 939 | fprintf(f, "\n match %08x/%08x at %s%d", |
Stephen Hemminger | 6b1ac65 | 2007-12-31 10:29:52 -0800 | [diff] [blame] | 940 | (unsigned int)ntohl(key->val), |
| 941 | (unsigned int)ntohl(key->mask), |
| 942 | key->offmask ? "nexthdr+" : "", |
| 943 | key->off); |
| 944 | } |
| 945 | |
jamal | 1750abe | 2008-04-20 10:49:24 -0400 | [diff] [blame] | 946 | static const struct { |
| 947 | __u16 proto; |
| 948 | __u16 pad; |
| 949 | void (*pprinter)(FILE *f, const struct tc_u32_key *key); |
| 950 | } u32_pprinters[] = { |
| 951 | {0, 0, print_raw}, |
| 952 | {ETH_P_IP, 0, print_ipv4}, |
Stephen Hemminger | d13cee6 | 2009-05-26 15:14:29 -0700 | [diff] [blame] | 953 | {ETH_P_IPV6, 0, print_ipv6}, |
jamal | 1750abe | 2008-04-20 10:49:24 -0400 | [diff] [blame] | 954 | }; |
| 955 | |
| 956 | static void show_keys(FILE *f, const struct tc_u32_key *key) |
| 957 | { |
| 958 | int i = 0; |
| 959 | |
| 960 | if (!show_pretty) |
| 961 | goto show_k; |
| 962 | |
| 963 | for (i = 0; i < sizeof(u32_pprinters) / sizeof(u32_pprinters[0]); i++) { |
| 964 | if (u32_pprinters[i].proto == ntohs(f_proto)) { |
| 965 | show_k: |
| 966 | u32_pprinters[i].pprinter(f, key); |
| 967 | return; |
| 968 | } |
| 969 | } |
| 970 | |
| 971 | i = 0; |
| 972 | goto show_k; |
| 973 | } |
| 974 | |
| 975 | static int u32_parse_opt(struct filter_util *qu, char *handle, |
Stephen Hemminger | 6b1ac65 | 2007-12-31 10:29:52 -0800 | [diff] [blame] | 976 | int argc, char **argv, struct nlmsghdr *n) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 977 | { |
| 978 | struct { |
| 979 | struct tc_u32_sel sel; |
| 980 | struct tc_u32_key keys[128]; |
| 981 | } sel; |
| 982 | struct tcmsg *t = NLMSG_DATA(n); |
| 983 | struct rtattr *tail; |
jamal | dcf1349 | 2006-12-07 11:07:07 -0500 | [diff] [blame] | 984 | int sel_ok = 0, terminal_ok = 0; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 985 | int sample_ok = 0; |
| 986 | __u32 htid = 0; |
| 987 | __u32 order = 0; |
| 988 | |
| 989 | memset(&sel, 0, sizeof(sel)); |
| 990 | |
| 991 | if (handle && get_u32_handle(&t->tcm_handle, handle)) { |
| 992 | fprintf(stderr, "Illegal filter ID\n"); |
| 993 | return -1; |
| 994 | } |
| 995 | |
| 996 | if (argc == 0) |
| 997 | return 0; |
| 998 | |
8!tgraf | 4a86fe1 | 2005-01-18 01:24:18 +0000 | [diff] [blame] | 999 | tail = NLMSG_TAIL(n); |
osdl.net!shemminger | 2373fde | 2004-08-13 23:54:55 +0000 | [diff] [blame] | 1000 | addattr_l(n, MAX_MSG, TCA_OPTIONS, NULL, 0); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1001 | |
| 1002 | while (argc > 0) { |
| 1003 | if (matches(*argv, "match") == 0) { |
| 1004 | NEXT_ARG(); |
net[shemminger]!shemminger | 6f0ba88 | 2005-01-17 23:27:56 +0000 | [diff] [blame] | 1005 | if (parse_selector(&argc, &argv, &sel.sel, n)) { |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1006 | fprintf(stderr, "Illegal \"match\"\n"); |
| 1007 | return -1; |
| 1008 | } |
| 1009 | sel_ok++; |
| 1010 | continue; |
| 1011 | } else if (matches(*argv, "offset") == 0) { |
| 1012 | NEXT_ARG(); |
| 1013 | if (parse_offset(&argc, &argv, &sel.sel)) { |
| 1014 | fprintf(stderr, "Illegal \"offset\"\n"); |
| 1015 | return -1; |
| 1016 | } |
| 1017 | continue; |
| 1018 | } else if (matches(*argv, "hashkey") == 0) { |
| 1019 | NEXT_ARG(); |
| 1020 | if (parse_hashkey(&argc, &argv, &sel.sel)) { |
| 1021 | fprintf(stderr, "Illegal \"hashkey\"\n"); |
| 1022 | return -1; |
| 1023 | } |
| 1024 | continue; |
| 1025 | } else if (matches(*argv, "classid") == 0 || |
| 1026 | strcmp(*argv, "flowid") == 0) { |
| 1027 | unsigned handle; |
| 1028 | NEXT_ARG(); |
| 1029 | if (get_tc_classid(&handle, *argv)) { |
| 1030 | fprintf(stderr, "Illegal \"classid\"\n"); |
| 1031 | return -1; |
| 1032 | } |
osdl.net!shemminger | 2373fde | 2004-08-13 23:54:55 +0000 | [diff] [blame] | 1033 | addattr_l(n, MAX_MSG, TCA_U32_CLASSID, &handle, 4); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1034 | sel.sel.flags |= TC_U32_TERMINAL; |
| 1035 | } else if (matches(*argv, "divisor") == 0) { |
| 1036 | unsigned divisor; |
| 1037 | NEXT_ARG(); |
Stephen Hemminger | ae665a5 | 2006-12-05 10:10:22 -0800 | [diff] [blame] | 1038 | if (get_unsigned(&divisor, *argv, 0) || |
shemminger | 46b67da | 2006-03-14 19:38:34 +0000 | [diff] [blame] | 1039 | divisor == 0 || |
| 1040 | divisor > 0x100 || ((divisor - 1) & divisor)) { |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1041 | fprintf(stderr, "Illegal \"divisor\"\n"); |
| 1042 | return -1; |
| 1043 | } |
osdl.net!shemminger | 2373fde | 2004-08-13 23:54:55 +0000 | [diff] [blame] | 1044 | addattr_l(n, MAX_MSG, TCA_U32_DIVISOR, &divisor, 4); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1045 | } else if (matches(*argv, "order") == 0) { |
| 1046 | NEXT_ARG(); |
| 1047 | if (get_u32(&order, *argv, 0)) { |
| 1048 | fprintf(stderr, "Illegal \"order\"\n"); |
| 1049 | return -1; |
| 1050 | } |
| 1051 | } else if (strcmp(*argv, "link") == 0) { |
| 1052 | unsigned handle; |
| 1053 | NEXT_ARG(); |
| 1054 | if (get_u32_handle(&handle, *argv)) { |
| 1055 | fprintf(stderr, "Illegal \"link\"\n"); |
| 1056 | return -1; |
| 1057 | } |
| 1058 | if (handle && TC_U32_NODE(handle)) { |
| 1059 | fprintf(stderr, "\"link\" must be a hash table.\n"); |
| 1060 | return -1; |
| 1061 | } |
osdl.net!shemminger | 2373fde | 2004-08-13 23:54:55 +0000 | [diff] [blame] | 1062 | addattr_l(n, MAX_MSG, TCA_U32_LINK, &handle, 4); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1063 | } else if (strcmp(*argv, "ht") == 0) { |
| 1064 | unsigned handle; |
| 1065 | NEXT_ARG(); |
| 1066 | if (get_u32_handle(&handle, *argv)) { |
| 1067 | fprintf(stderr, "Illegal \"ht\"\n"); |
| 1068 | return -1; |
| 1069 | } |
| 1070 | if (handle && TC_U32_NODE(handle)) { |
| 1071 | fprintf(stderr, "\"ht\" must be a hash table.\n"); |
| 1072 | return -1; |
| 1073 | } |
| 1074 | if (sample_ok) |
| 1075 | htid = (htid&0xFF000)|(handle&0xFFF00000); |
| 1076 | else |
| 1077 | htid = (handle&0xFFFFF000); |
| 1078 | } else if (strcmp(*argv, "sample") == 0) { |
| 1079 | __u32 hash; |
shemminger | 3925ad8 | 2006-03-14 19:36:31 +0000 | [diff] [blame] | 1080 | unsigned divisor = 0x100; |
shemminger | 267480f | 2006-03-22 00:07:49 +0000 | [diff] [blame] | 1081 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1082 | struct { |
| 1083 | struct tc_u32_sel sel; |
| 1084 | struct tc_u32_key keys[4]; |
| 1085 | } sel2; |
shemminger | 46b67da | 2006-03-14 19:38:34 +0000 | [diff] [blame] | 1086 | memset(&sel2, 0, sizeof(sel2)); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1087 | NEXT_ARG(); |
net[shemminger]!shemminger | 6f0ba88 | 2005-01-17 23:27:56 +0000 | [diff] [blame] | 1088 | if (parse_selector(&argc, &argv, &sel2.sel, n)) { |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1089 | fprintf(stderr, "Illegal \"sample\"\n"); |
| 1090 | return -1; |
| 1091 | } |
| 1092 | if (sel2.sel.nkeys != 1) { |
Stephen Hemminger | e62077d | 2008-02-18 10:51:42 -0800 | [diff] [blame] | 1093 | fprintf(stderr, "\"sample\" must contain" |
| 1094 | " exactly ONE key.\n"); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1095 | return -1; |
| 1096 | } |
shemminger | 3925ad8 | 2006-03-14 19:36:31 +0000 | [diff] [blame] | 1097 | if (*argv != 0 && strcmp(*argv, "divisor") == 0) { |
| 1098 | NEXT_ARG(); |
| 1099 | if (get_unsigned(&divisor, *argv, 0) || divisor == 0 || |
shemminger | 46b67da | 2006-03-14 19:38:34 +0000 | [diff] [blame] | 1100 | divisor > 0x100 || ((divisor - 1) & divisor)) { |
shemminger | 3925ad8 | 2006-03-14 19:36:31 +0000 | [diff] [blame] | 1101 | fprintf(stderr, "Illegal sample \"divisor\"\n"); |
| 1102 | return -1; |
| 1103 | } |
| 1104 | NEXT_ARG(); |
| 1105 | } |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1106 | hash = sel2.sel.keys[0].val&sel2.sel.keys[0].mask; |
shemminger | 267480f | 2006-03-22 00:07:49 +0000 | [diff] [blame] | 1107 | hash ^= hash>>16; |
| 1108 | hash ^= hash>>8; |
shemminger | 3925ad8 | 2006-03-14 19:36:31 +0000 | [diff] [blame] | 1109 | htid = ((hash%divisor)<<12)|(htid&0xFFF00000); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1110 | sample_ok = 1; |
| 1111 | continue; |
osdl.net!shemminger | 2373fde | 2004-08-13 23:54:55 +0000 | [diff] [blame] | 1112 | } else if (strcmp(*argv, "indev") == 0) { |
| 1113 | char ind[IFNAMSIZ + 1]; |
| 1114 | memset(ind, 0, sizeof (ind)); |
| 1115 | argc--; |
| 1116 | argv++; |
| 1117 | if (argc < 1) { |
| 1118 | fprintf(stderr, "Illegal indev\n"); |
| 1119 | return -1; |
| 1120 | } |
| 1121 | strncpy(ind, *argv, sizeof (ind) - 1); |
| 1122 | 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] | 1123 | |
osdl.net!shemminger | 2373fde | 2004-08-13 23:54:55 +0000 | [diff] [blame] | 1124 | } else if (matches(*argv, "action") == 0) { |
| 1125 | NEXT_ARG(); |
| 1126 | if (parse_action(&argc, &argv, TCA_U32_ACT, n)) { |
| 1127 | fprintf(stderr, "Illegal \"action\"\n"); |
| 1128 | return -1; |
| 1129 | } |
jamal | dcf1349 | 2006-12-07 11:07:07 -0500 | [diff] [blame] | 1130 | terminal_ok++; |
osdl.net!shemminger | 2373fde | 2004-08-13 23:54:55 +0000 | [diff] [blame] | 1131 | continue; |
net[shemminger]!shemminger | d81b135 | 2004-08-23 20:20:41 +0000 | [diff] [blame] | 1132 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1133 | } else if (matches(*argv, "police") == 0) { |
| 1134 | NEXT_ARG(); |
| 1135 | if (parse_police(&argc, &argv, TCA_U32_POLICE, n)) { |
| 1136 | fprintf(stderr, "Illegal \"police\"\n"); |
| 1137 | return -1; |
| 1138 | } |
jamal | dcf1349 | 2006-12-07 11:07:07 -0500 | [diff] [blame] | 1139 | terminal_ok++; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1140 | continue; |
| 1141 | } else if (strcmp(*argv, "help") == 0) { |
| 1142 | explain(); |
| 1143 | return -1; |
| 1144 | } else { |
| 1145 | fprintf(stderr, "What is \"%s\"?\n", *argv); |
| 1146 | explain(); |
| 1147 | return -1; |
| 1148 | } |
| 1149 | argc--; argv++; |
| 1150 | } |
| 1151 | |
jamal | dcf1349 | 2006-12-07 11:07:07 -0500 | [diff] [blame] | 1152 | /* We dont necessarily need class/flowids */ |
Stephen Hemminger | 81c6179 | 2006-12-13 17:05:50 -0800 | [diff] [blame] | 1153 | if (terminal_ok) |
jamal | dcf1349 | 2006-12-07 11:07:07 -0500 | [diff] [blame] | 1154 | sel.sel.flags |= TC_U32_TERMINAL; |
| 1155 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1156 | if (order) { |
| 1157 | if (TC_U32_NODE(t->tcm_handle) && order != TC_U32_NODE(t->tcm_handle)) { |
| 1158 | fprintf(stderr, "\"order\" contradicts \"handle\"\n"); |
| 1159 | return -1; |
| 1160 | } |
| 1161 | t->tcm_handle |= order; |
| 1162 | } |
| 1163 | |
| 1164 | if (htid) |
osdl.net!shemminger | 2373fde | 2004-08-13 23:54:55 +0000 | [diff] [blame] | 1165 | addattr_l(n, MAX_MSG, TCA_U32_HASH, &htid, 4); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1166 | if (sel_ok) |
Stephen Hemminger | e62077d | 2008-02-18 10:51:42 -0800 | [diff] [blame] | 1167 | addattr_l(n, MAX_MSG, TCA_U32_SEL, &sel, |
| 1168 | sizeof(sel.sel)+sel.sel.nkeys*sizeof(struct tc_u32_key)); |
8!tgraf | 4a86fe1 | 2005-01-18 01:24:18 +0000 | [diff] [blame] | 1169 | tail->rta_len = (void *) NLMSG_TAIL(n) - (void *) tail; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1170 | return 0; |
| 1171 | } |
| 1172 | |
Stephen Hemminger | 6b1ac65 | 2007-12-31 10:29:52 -0800 | [diff] [blame] | 1173 | static int u32_print_opt(struct filter_util *qu, FILE *f, struct rtattr *opt, |
| 1174 | __u32 handle) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1175 | { |
| 1176 | struct rtattr *tb[TCA_U32_MAX+1]; |
| 1177 | struct tc_u32_sel *sel = NULL; |
net[shemminger]!shemminger | d81b135 | 2004-08-23 20:20:41 +0000 | [diff] [blame] | 1178 | struct tc_u32_pcnt *pf = NULL; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1179 | |
| 1180 | if (opt == NULL) |
| 1181 | return 0; |
| 1182 | |
8!tgraf | ac2fc2d | 2005-01-18 22:11:58 +0000 | [diff] [blame] | 1183 | parse_rtattr_nested(tb, TCA_U32_MAX, opt); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1184 | |
| 1185 | if (handle) { |
| 1186 | SPRINT_BUF(b1); |
| 1187 | fprintf(f, "fh %s ", sprint_u32_handle(handle, b1)); |
| 1188 | } |
| 1189 | if (TC_U32_NODE(handle)) { |
| 1190 | fprintf(f, "order %d ", TC_U32_NODE(handle)); |
| 1191 | } |
| 1192 | |
| 1193 | if (tb[TCA_U32_SEL]) { |
| 1194 | if (RTA_PAYLOAD(tb[TCA_U32_SEL]) < sizeof(*sel)) |
| 1195 | return -1; |
| 1196 | |
| 1197 | sel = RTA_DATA(tb[TCA_U32_SEL]); |
| 1198 | } |
| 1199 | |
| 1200 | if (tb[TCA_U32_DIVISOR]) { |
| 1201 | fprintf(f, "ht divisor %d ", *(__u32*)RTA_DATA(tb[TCA_U32_DIVISOR])); |
| 1202 | } else if (tb[TCA_U32_HASH]) { |
| 1203 | __u32 htid = *(__u32*)RTA_DATA(tb[TCA_U32_HASH]); |
Stephen Hemminger | e62077d | 2008-02-18 10:51:42 -0800 | [diff] [blame] | 1204 | fprintf(f, "key ht %x bkt %x ", TC_U32_USERHTID(htid), |
| 1205 | TC_U32_HASH(htid)); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1206 | } else { |
| 1207 | fprintf(f, "??? "); |
| 1208 | } |
| 1209 | if (tb[TCA_U32_CLASSID]) { |
| 1210 | SPRINT_BUF(b1); |
| 1211 | fprintf(f, "%sflowid %s ", |
| 1212 | !sel || !(sel->flags&TC_U32_TERMINAL) ? "*" : "", |
| 1213 | sprint_tc_classid(*(__u32*)RTA_DATA(tb[TCA_U32_CLASSID]), b1)); |
| 1214 | } else if (sel && sel->flags&TC_U32_TERMINAL) { |
| 1215 | fprintf(f, "terminal flowid ??? "); |
| 1216 | } |
| 1217 | if (tb[TCA_U32_LINK]) { |
| 1218 | SPRINT_BUF(b1); |
Stephen Hemminger | e62077d | 2008-02-18 10:51:42 -0800 | [diff] [blame] | 1219 | fprintf(f, "link %s ", |
| 1220 | sprint_u32_handle(*(__u32*)RTA_DATA(tb[TCA_U32_LINK]), b1)); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1221 | } |
osdl.net!shemminger | 2373fde | 2004-08-13 23:54:55 +0000 | [diff] [blame] | 1222 | |
net[shemminger]!shemminger | d81b135 | 2004-08-23 20:20:41 +0000 | [diff] [blame] | 1223 | if (tb[TCA_U32_PCNT]) { |
| 1224 | if (RTA_PAYLOAD(tb[TCA_U32_PCNT]) < sizeof(*pf)) { |
| 1225 | fprintf(f, "Broken perf counters \n"); |
| 1226 | return -1; |
| 1227 | } |
| 1228 | pf = RTA_DATA(tb[TCA_U32_PCNT]); |
| 1229 | } |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1230 | |
net[shemminger]!shemminger | 6f0ba88 | 2005-01-17 23:27:56 +0000 | [diff] [blame] | 1231 | if (sel && show_stats && NULL != pf) |
net[shemminger]!shemminger | b906243 | 2005-01-17 23:28:16 +0000 | [diff] [blame] | 1232 | fprintf(f, " (rule hit %llu success %llu)", |
| 1233 | (unsigned long long) pf->rcnt, |
| 1234 | (unsigned long long) pf->rhit); |
net[shemminger]!shemminger | 6f0ba88 | 2005-01-17 23:27:56 +0000 | [diff] [blame] | 1235 | |
| 1236 | if (tb[TCA_U32_MARK]) { |
| 1237 | struct tc_u32_mark *mark = RTA_DATA(tb[TCA_U32_MARK]); |
| 1238 | if (RTA_PAYLOAD(tb[TCA_U32_MARK]) < sizeof(*mark)) { |
| 1239 | fprintf(f, "\n Invalid mark (kernel&iproute2 mismatch)\n"); |
| 1240 | } else { |
| 1241 | fprintf(f, "\n mark 0x%04x 0x%04x (success %d)", |
| 1242 | mark->val, mark->mask, mark->success); |
| 1243 | } |
| 1244 | } |
| 1245 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1246 | if (sel) { |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1247 | if (sel->nkeys) { |
Stephen Hemminger | 6b1ac65 | 2007-12-31 10:29:52 -0800 | [diff] [blame] | 1248 | int i; |
| 1249 | for (i=0; i<sel->nkeys; i++) { |
jamal | 1750abe | 2008-04-20 10:49:24 -0400 | [diff] [blame] | 1250 | show_keys(f, sel->keys + i); |
net[shemminger]!shemminger | d81b135 | 2004-08-23 20:20:41 +0000 | [diff] [blame] | 1251 | if (show_stats && NULL != pf) |
Stephen Hemminger | 6b1ac65 | 2007-12-31 10:29:52 -0800 | [diff] [blame] | 1252 | fprintf(f, " (success %llu ) ", |
net[shemminger]!shemminger | b906243 | 2005-01-17 23:28:16 +0000 | [diff] [blame] | 1253 | (unsigned long long) pf->kcnts[i]); |
osdl.net!shemminger | 2373fde | 2004-08-13 23:54:55 +0000 | [diff] [blame] | 1254 | } |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1255 | } |
| 1256 | |
| 1257 | if (sel->flags&(TC_U32_VAROFFSET|TC_U32_OFFSET)) { |
| 1258 | fprintf(f, "\n offset "); |
| 1259 | if (sel->flags&TC_U32_VAROFFSET) |
Stephen Hemminger | e62077d | 2008-02-18 10:51:42 -0800 | [diff] [blame] | 1260 | fprintf(f, "%04x>>%d at %d ", |
| 1261 | ntohs(sel->offmask), |
| 1262 | sel->offshift, sel->offoff); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1263 | if (sel->off) |
| 1264 | fprintf(f, "plus %d ", sel->off); |
| 1265 | } |
| 1266 | if (sel->flags&TC_U32_EAT) |
| 1267 | fprintf(f, " eat "); |
| 1268 | |
| 1269 | if (sel->hmask) { |
| 1270 | fprintf(f, "\n hash mask %08x at %d ", |
| 1271 | (unsigned int)htonl(sel->hmask), sel->hoff); |
| 1272 | } |
| 1273 | } |
| 1274 | |
osdl.net!shemminger | 2373fde | 2004-08-13 23:54:55 +0000 | [diff] [blame] | 1275 | if (tb[TCA_U32_POLICE]) { |
| 1276 | fprintf(f, "\n"); |
| 1277 | tc_print_police(f, tb[TCA_U32_POLICE]); |
| 1278 | } |
| 1279 | if (tb[TCA_U32_INDEV]) { |
| 1280 | struct rtattr *idev = tb[TCA_U32_INDEV]; |
| 1281 | fprintf(f, "\n input dev %s\n", (char *) RTA_DATA(idev)); |
| 1282 | } |
| 1283 | if (tb[TCA_U32_ACT]) { |
| 1284 | tc_print_action(f, tb[TCA_U32_ACT]); |
| 1285 | } |
| 1286 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1287 | return 0; |
| 1288 | } |
| 1289 | |
osdl.net!shemminger | 6b7dff1 | 2004-09-28 18:35:49 +0000 | [diff] [blame] | 1290 | struct filter_util u32_filter_util = { |
| 1291 | .id = "u32", |
| 1292 | .parse_fopt = u32_parse_opt, |
| 1293 | .print_fopt = u32_print_opt, |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1294 | }; |