1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2 #ifndef __LINUX_PKT_CLS_H 3 #define __LINUX_PKT_CLS_H 4 5 #include <linux/types.h> 6 #include <linux/pkt_sched.h> 7 8 #define TC_COOKIE_MAX_SIZE 16 9 10 /* Action attributes */ 11 enum { 12 TCA_ACT_UNSPEC, 13 TCA_ACT_KIND, 14 TCA_ACT_OPTIONS, 15 TCA_ACT_INDEX, 16 TCA_ACT_STATS, 17 TCA_ACT_PAD, 18 TCA_ACT_COOKIE, 19 __TCA_ACT_MAX 20 }; 21 22 #define TCA_ACT_MAX __TCA_ACT_MAX 23 #define TCA_OLD_COMPAT (TCA_ACT_MAX+1) 24 #define TCA_ACT_MAX_PRIO 32 25 #define TCA_ACT_BIND 1 26 #define TCA_ACT_NOBIND 0 27 #define TCA_ACT_UNBIND 1 28 #define TCA_ACT_NOUNBIND 0 29 #define TCA_ACT_REPLACE 1 30 #define TCA_ACT_NOREPLACE 0 31 32 #define TC_ACT_UNSPEC (-1) 33 #define TC_ACT_OK 0 34 #define TC_ACT_RECLASSIFY 1 35 #define TC_ACT_SHOT 2 36 #define TC_ACT_PIPE 3 37 #define TC_ACT_STOLEN 4 38 #define TC_ACT_QUEUED 5 39 #define TC_ACT_REPEAT 6 40 #define TC_ACT_REDIRECT 7 41 #define TC_ACT_TRAP 8 /* For hw path, this means "trap to cpu" 42 * and don't further process the frame 43 * in hardware. For sw path, this is 44 * equivalent of TC_ACT_STOLEN - drop 45 * the skb and act like everything 46 * is alright. 47 */ 48 49 /* There is a special kind of actions called "extended actions", 50 * which need a value parameter. These have a local opcode located in 51 * the highest nibble, starting from 1. The rest of the bits 52 * are used to carry the value. These two parts together make 53 * a combined opcode. 54 */ 55 #define __TC_ACT_EXT_SHIFT 28 56 #define __TC_ACT_EXT(local) ((local) << __TC_ACT_EXT_SHIFT) 57 #define TC_ACT_EXT_VAL_MASK ((1 << __TC_ACT_EXT_SHIFT) - 1) 58 #define TC_ACT_EXT_CMP(combined, opcode) \ 59 (((combined) & (~TC_ACT_EXT_VAL_MASK)) == opcode) 60 61 #define TC_ACT_JUMP __TC_ACT_EXT(1) 62 #define TC_ACT_GOTO_CHAIN __TC_ACT_EXT(2) 63 64 /* Action type identifiers*/ 65 enum { 66 TCA_ID_UNSPEC=0, 67 TCA_ID_POLICE=1, 68 /* other actions go here */ 69 __TCA_ID_MAX=255 70 }; 71 72 #define TCA_ID_MAX __TCA_ID_MAX 73 74 struct tc_police { 75 __u32 index; 76 int action; 77 #define TC_POLICE_UNSPEC TC_ACT_UNSPEC 78 #define TC_POLICE_OK TC_ACT_OK 79 #define TC_POLICE_RECLASSIFY TC_ACT_RECLASSIFY 80 #define TC_POLICE_SHOT TC_ACT_SHOT 81 #define TC_POLICE_PIPE TC_ACT_PIPE 82 83 __u32 limit; 84 __u32 burst; 85 __u32 mtu; 86 struct tc_ratespec rate; 87 struct tc_ratespec peakrate; 88 int refcnt; 89 int bindcnt; 90 __u32 capab; 91 }; 92 93 struct tcf_t { 94 __u64 install; 95 __u64 lastuse; 96 __u64 expires; 97 __u64 firstuse; 98 }; 99 100 struct tc_cnt { 101 int refcnt; 102 int bindcnt; 103 }; 104 105 #define tc_gen \ 106 __u32 index; \ 107 __u32 capab; \ 108 int action; \ 109 int refcnt; \ 110 int bindcnt 111 112 enum { 113 TCA_POLICE_UNSPEC, 114 TCA_POLICE_TBF, 115 TCA_POLICE_RATE, 116 TCA_POLICE_PEAKRATE, 117 TCA_POLICE_AVRATE, 118 TCA_POLICE_RESULT, 119 TCA_POLICE_TM, 120 TCA_POLICE_PAD, 121 __TCA_POLICE_MAX 122 #define TCA_POLICE_RESULT TCA_POLICE_RESULT 123 }; 124 125 #define TCA_POLICE_MAX (__TCA_POLICE_MAX - 1) 126 127 /* tca flags definitions */ 128 #define TCA_CLS_FLAGS_SKIP_HW (1 << 0) /* don't offload filter to HW */ 129 #define TCA_CLS_FLAGS_SKIP_SW (1 << 1) /* don't use filter in SW */ 130 #define TCA_CLS_FLAGS_IN_HW (1 << 2) /* filter is offloaded to HW */ 131 #define TCA_CLS_FLAGS_NOT_IN_HW (1 << 3) /* filter isn't offloaded to HW */ 132 133 /* U32 filters */ 134 135 #define TC_U32_HTID(h) ((h)&0xFFF00000) 136 #define TC_U32_USERHTID(h) (TC_U32_HTID(h)>>20) 137 #define TC_U32_HASH(h) (((h)>>12)&0xFF) 138 #define TC_U32_NODE(h) ((h)&0xFFF) 139 #define TC_U32_KEY(h) ((h)&0xFFFFF) 140 #define TC_U32_UNSPEC 0 141 #define TC_U32_ROOT (0xFFF00000) 142 143 enum { 144 TCA_U32_UNSPEC, 145 TCA_U32_CLASSID, 146 TCA_U32_HASH, 147 TCA_U32_LINK, 148 TCA_U32_DIVISOR, 149 TCA_U32_SEL, 150 TCA_U32_POLICE, 151 TCA_U32_ACT, 152 TCA_U32_INDEV, 153 TCA_U32_PCNT, 154 TCA_U32_MARK, 155 TCA_U32_FLAGS, 156 TCA_U32_PAD, 157 __TCA_U32_MAX 158 }; 159 160 #define TCA_U32_MAX (__TCA_U32_MAX - 1) 161 162 struct tc_u32_key { 163 __be32 mask; 164 __be32 val; 165 int off; 166 int offmask; 167 }; 168 169 struct tc_u32_sel { 170 unsigned char flags; 171 unsigned char offshift; 172 unsigned char nkeys; 173 174 __be16 offmask; 175 __u16 off; 176 short offoff; 177 178 short hoff; 179 __be32 hmask; 180 struct tc_u32_key keys[0]; 181 }; 182 183 struct tc_u32_mark { 184 __u32 val; 185 __u32 mask; 186 __u32 success; 187 }; 188 189 struct tc_u32_pcnt { 190 __u64 rcnt; 191 __u64 rhit; 192 __u64 kcnts[0]; 193 }; 194 195 /* Flags */ 196 197 #define TC_U32_TERMINAL 1 198 #define TC_U32_OFFSET 2 199 #define TC_U32_VAROFFSET 4 200 #define TC_U32_EAT 8 201 202 #define TC_U32_MAXDEPTH 8 203 204 205 /* RSVP filter */ 206 207 enum { 208 TCA_RSVP_UNSPEC, 209 TCA_RSVP_CLASSID, 210 TCA_RSVP_DST, 211 TCA_RSVP_SRC, 212 TCA_RSVP_PINFO, 213 TCA_RSVP_POLICE, 214 TCA_RSVP_ACT, 215 __TCA_RSVP_MAX 216 }; 217 218 #define TCA_RSVP_MAX (__TCA_RSVP_MAX - 1 ) 219 220 struct tc_rsvp_gpi { 221 __u32 key; 222 __u32 mask; 223 int offset; 224 }; 225 226 struct tc_rsvp_pinfo { 227 struct tc_rsvp_gpi dpi; 228 struct tc_rsvp_gpi spi; 229 __u8 protocol; 230 __u8 tunnelid; 231 __u8 tunnelhdr; 232 __u8 pad; 233 }; 234 235 /* ROUTE filter */ 236 237 enum { 238 TCA_ROUTE4_UNSPEC, 239 TCA_ROUTE4_CLASSID, 240 TCA_ROUTE4_TO, 241 TCA_ROUTE4_FROM, 242 TCA_ROUTE4_IIF, 243 TCA_ROUTE4_POLICE, 244 TCA_ROUTE4_ACT, 245 __TCA_ROUTE4_MAX 246 }; 247 248 #define TCA_ROUTE4_MAX (__TCA_ROUTE4_MAX - 1) 249 250 251 /* FW filter */ 252 253 enum { 254 TCA_FW_UNSPEC, 255 TCA_FW_CLASSID, 256 TCA_FW_POLICE, 257 TCA_FW_INDEV, /* used by CONFIG_NET_CLS_IND */ 258 TCA_FW_ACT, /* used by CONFIG_NET_CLS_ACT */ 259 TCA_FW_MASK, 260 __TCA_FW_MAX 261 }; 262 263 #define TCA_FW_MAX (__TCA_FW_MAX - 1) 264 265 /* TC index filter */ 266 267 enum { 268 TCA_TCINDEX_UNSPEC, 269 TCA_TCINDEX_HASH, 270 TCA_TCINDEX_MASK, 271 TCA_TCINDEX_SHIFT, 272 TCA_TCINDEX_FALL_THROUGH, 273 TCA_TCINDEX_CLASSID, 274 TCA_TCINDEX_POLICE, 275 TCA_TCINDEX_ACT, 276 __TCA_TCINDEX_MAX 277 }; 278 279 #define TCA_TCINDEX_MAX (__TCA_TCINDEX_MAX - 1) 280 281 /* Flow filter */ 282 283 enum { 284 FLOW_KEY_SRC, 285 FLOW_KEY_DST, 286 FLOW_KEY_PROTO, 287 FLOW_KEY_PROTO_SRC, 288 FLOW_KEY_PROTO_DST, 289 FLOW_KEY_IIF, 290 FLOW_KEY_PRIORITY, 291 FLOW_KEY_MARK, 292 FLOW_KEY_NFCT, 293 FLOW_KEY_NFCT_SRC, 294 FLOW_KEY_NFCT_DST, 295 FLOW_KEY_NFCT_PROTO_SRC, 296 FLOW_KEY_NFCT_PROTO_DST, 297 FLOW_KEY_RTCLASSID, 298 FLOW_KEY_SKUID, 299 FLOW_KEY_SKGID, 300 FLOW_KEY_VLAN_TAG, 301 FLOW_KEY_RXHASH, 302 __FLOW_KEY_MAX, 303 }; 304 305 #define FLOW_KEY_MAX (__FLOW_KEY_MAX - 1) 306 307 enum { 308 FLOW_MODE_MAP, 309 FLOW_MODE_HASH, 310 }; 311 312 enum { 313 TCA_FLOW_UNSPEC, 314 TCA_FLOW_KEYS, 315 TCA_FLOW_MODE, 316 TCA_FLOW_BASECLASS, 317 TCA_FLOW_RSHIFT, 318 TCA_FLOW_ADDEND, 319 TCA_FLOW_MASK, 320 TCA_FLOW_XOR, 321 TCA_FLOW_DIVISOR, 322 TCA_FLOW_ACT, 323 TCA_FLOW_POLICE, 324 TCA_FLOW_EMATCHES, 325 TCA_FLOW_PERTURB, 326 __TCA_FLOW_MAX 327 }; 328 329 #define TCA_FLOW_MAX (__TCA_FLOW_MAX - 1) 330 331 /* Basic filter */ 332 333 enum { 334 TCA_BASIC_UNSPEC, 335 TCA_BASIC_CLASSID, 336 TCA_BASIC_EMATCHES, 337 TCA_BASIC_ACT, 338 TCA_BASIC_POLICE, 339 __TCA_BASIC_MAX 340 }; 341 342 #define TCA_BASIC_MAX (__TCA_BASIC_MAX - 1) 343 344 345 /* Cgroup classifier */ 346 347 enum { 348 TCA_CGROUP_UNSPEC, 349 TCA_CGROUP_ACT, 350 TCA_CGROUP_POLICE, 351 TCA_CGROUP_EMATCHES, 352 __TCA_CGROUP_MAX, 353 }; 354 355 #define TCA_CGROUP_MAX (__TCA_CGROUP_MAX - 1) 356 357 /* BPF classifier */ 358 359 #define TCA_BPF_FLAG_ACT_DIRECT (1 << 0) 360 361 enum { 362 TCA_BPF_UNSPEC, 363 TCA_BPF_ACT, 364 TCA_BPF_POLICE, 365 TCA_BPF_CLASSID, 366 TCA_BPF_OPS_LEN, 367 TCA_BPF_OPS, 368 TCA_BPF_FD, 369 TCA_BPF_NAME, 370 TCA_BPF_FLAGS, 371 TCA_BPF_FLAGS_GEN, 372 TCA_BPF_TAG, 373 TCA_BPF_ID, 374 __TCA_BPF_MAX, 375 }; 376 377 #define TCA_BPF_MAX (__TCA_BPF_MAX - 1) 378 379 /* Flower classifier */ 380 381 enum { 382 TCA_FLOWER_UNSPEC, 383 TCA_FLOWER_CLASSID, 384 TCA_FLOWER_INDEV, 385 TCA_FLOWER_ACT, 386 TCA_FLOWER_KEY_ETH_DST, /* ETH_ALEN */ 387 TCA_FLOWER_KEY_ETH_DST_MASK, /* ETH_ALEN */ 388 TCA_FLOWER_KEY_ETH_SRC, /* ETH_ALEN */ 389 TCA_FLOWER_KEY_ETH_SRC_MASK, /* ETH_ALEN */ 390 TCA_FLOWER_KEY_ETH_TYPE, /* be16 */ 391 TCA_FLOWER_KEY_IP_PROTO, /* u8 */ 392 TCA_FLOWER_KEY_IPV4_SRC, /* be32 */ 393 TCA_FLOWER_KEY_IPV4_SRC_MASK, /* be32 */ 394 TCA_FLOWER_KEY_IPV4_DST, /* be32 */ 395 TCA_FLOWER_KEY_IPV4_DST_MASK, /* be32 */ 396 TCA_FLOWER_KEY_IPV6_SRC, /* struct in6_addr */ 397 TCA_FLOWER_KEY_IPV6_SRC_MASK, /* struct in6_addr */ 398 TCA_FLOWER_KEY_IPV6_DST, /* struct in6_addr */ 399 TCA_FLOWER_KEY_IPV6_DST_MASK, /* struct in6_addr */ 400 TCA_FLOWER_KEY_TCP_SRC, /* be16 */ 401 TCA_FLOWER_KEY_TCP_DST, /* be16 */ 402 TCA_FLOWER_KEY_UDP_SRC, /* be16 */ 403 TCA_FLOWER_KEY_UDP_DST, /* be16 */ 404 405 TCA_FLOWER_FLAGS, 406 TCA_FLOWER_KEY_VLAN_ID, /* be16 */ 407 TCA_FLOWER_KEY_VLAN_PRIO, /* u8 */ 408 TCA_FLOWER_KEY_VLAN_ETH_TYPE, /* be16 */ 409 410 TCA_FLOWER_KEY_ENC_KEY_ID, /* be32 */ 411 TCA_FLOWER_KEY_ENC_IPV4_SRC, /* be32 */ 412 TCA_FLOWER_KEY_ENC_IPV4_SRC_MASK,/* be32 */ 413 TCA_FLOWER_KEY_ENC_IPV4_DST, /* be32 */ 414 TCA_FLOWER_KEY_ENC_IPV4_DST_MASK,/* be32 */ 415 TCA_FLOWER_KEY_ENC_IPV6_SRC, /* struct in6_addr */ 416 TCA_FLOWER_KEY_ENC_IPV6_SRC_MASK,/* struct in6_addr */ 417 TCA_FLOWER_KEY_ENC_IPV6_DST, /* struct in6_addr */ 418 TCA_FLOWER_KEY_ENC_IPV6_DST_MASK,/* struct in6_addr */ 419 420 TCA_FLOWER_KEY_TCP_SRC_MASK, /* be16 */ 421 TCA_FLOWER_KEY_TCP_DST_MASK, /* be16 */ 422 TCA_FLOWER_KEY_UDP_SRC_MASK, /* be16 */ 423 TCA_FLOWER_KEY_UDP_DST_MASK, /* be16 */ 424 TCA_FLOWER_KEY_SCTP_SRC_MASK, /* be16 */ 425 TCA_FLOWER_KEY_SCTP_DST_MASK, /* be16 */ 426 427 TCA_FLOWER_KEY_SCTP_SRC, /* be16 */ 428 TCA_FLOWER_KEY_SCTP_DST, /* be16 */ 429 430 TCA_FLOWER_KEY_ENC_UDP_SRC_PORT, /* be16 */ 431 TCA_FLOWER_KEY_ENC_UDP_SRC_PORT_MASK, /* be16 */ 432 TCA_FLOWER_KEY_ENC_UDP_DST_PORT, /* be16 */ 433 TCA_FLOWER_KEY_ENC_UDP_DST_PORT_MASK, /* be16 */ 434 435 TCA_FLOWER_KEY_FLAGS, /* be32 */ 436 TCA_FLOWER_KEY_FLAGS_MASK, /* be32 */ 437 438 TCA_FLOWER_KEY_ICMPV4_CODE, /* u8 */ 439 TCA_FLOWER_KEY_ICMPV4_CODE_MASK,/* u8 */ 440 TCA_FLOWER_KEY_ICMPV4_TYPE, /* u8 */ 441 TCA_FLOWER_KEY_ICMPV4_TYPE_MASK,/* u8 */ 442 TCA_FLOWER_KEY_ICMPV6_CODE, /* u8 */ 443 TCA_FLOWER_KEY_ICMPV6_CODE_MASK,/* u8 */ 444 TCA_FLOWER_KEY_ICMPV6_TYPE, /* u8 */ 445 TCA_FLOWER_KEY_ICMPV6_TYPE_MASK,/* u8 */ 446 447 TCA_FLOWER_KEY_ARP_SIP, /* be32 */ 448 TCA_FLOWER_KEY_ARP_SIP_MASK, /* be32 */ 449 TCA_FLOWER_KEY_ARP_TIP, /* be32 */ 450 TCA_FLOWER_KEY_ARP_TIP_MASK, /* be32 */ 451 TCA_FLOWER_KEY_ARP_OP, /* u8 */ 452 TCA_FLOWER_KEY_ARP_OP_MASK, /* u8 */ 453 TCA_FLOWER_KEY_ARP_SHA, /* ETH_ALEN */ 454 TCA_FLOWER_KEY_ARP_SHA_MASK, /* ETH_ALEN */ 455 TCA_FLOWER_KEY_ARP_THA, /* ETH_ALEN */ 456 TCA_FLOWER_KEY_ARP_THA_MASK, /* ETH_ALEN */ 457 458 TCA_FLOWER_KEY_MPLS_TTL, /* u8 - 8 bits */ 459 TCA_FLOWER_KEY_MPLS_BOS, /* u8 - 1 bit */ 460 TCA_FLOWER_KEY_MPLS_TC, /* u8 - 3 bits */ 461 TCA_FLOWER_KEY_MPLS_LABEL, /* be32 - 20 bits */ 462 463 TCA_FLOWER_KEY_TCP_FLAGS, /* be16 */ 464 TCA_FLOWER_KEY_TCP_FLAGS_MASK, /* be16 */ 465 466 TCA_FLOWER_KEY_IP_TOS, /* u8 */ 467 TCA_FLOWER_KEY_IP_TOS_MASK, /* u8 */ 468 TCA_FLOWER_KEY_IP_TTL, /* u8 */ 469 TCA_FLOWER_KEY_IP_TTL_MASK, /* u8 */ 470 471 __TCA_FLOWER_MAX, 472 }; 473 474 #define TCA_FLOWER_MAX (__TCA_FLOWER_MAX - 1) 475 476 enum { 477 TCA_FLOWER_KEY_FLAGS_IS_FRAGMENT = (1 << 0), 478 }; 479 480 /* Match-all classifier */ 481 482 enum { 483 TCA_MATCHALL_UNSPEC, 484 TCA_MATCHALL_CLASSID, 485 TCA_MATCHALL_ACT, 486 TCA_MATCHALL_FLAGS, 487 __TCA_MATCHALL_MAX, 488 }; 489 490 #define TCA_MATCHALL_MAX (__TCA_MATCHALL_MAX - 1) 491 492 /* Extended Matches */ 493 494 struct tcf_ematch_tree_hdr { 495 __u16 nmatches; 496 __u16 progid; 497 }; 498 499 enum { 500 TCA_EMATCH_TREE_UNSPEC, 501 TCA_EMATCH_TREE_HDR, 502 TCA_EMATCH_TREE_LIST, 503 __TCA_EMATCH_TREE_MAX 504 }; 505 #define TCA_EMATCH_TREE_MAX (__TCA_EMATCH_TREE_MAX - 1) 506 507 struct tcf_ematch_hdr { 508 __u16 matchid; 509 __u16 kind; 510 __u16 flags; 511 __u16 pad; /* currently unused */ 512 }; 513 514 /* 0 1 515 * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 516 * +-----------------------+-+-+---+ 517 * | Unused |S|I| R | 518 * +-----------------------+-+-+---+ 519 * 520 * R(2) ::= relation to next ematch 521 * where: 0 0 END (last ematch) 522 * 0 1 AND 523 * 1 0 OR 524 * 1 1 Unused (invalid) 525 * I(1) ::= invert result 526 * S(1) ::= simple payload 527 */ 528 #define TCF_EM_REL_END 0 529 #define TCF_EM_REL_AND (1<<0) 530 #define TCF_EM_REL_OR (1<<1) 531 #define TCF_EM_INVERT (1<<2) 532 #define TCF_EM_SIMPLE (1<<3) 533 534 #define TCF_EM_REL_MASK 3 535 #define TCF_EM_REL_VALID(v) (((v) & TCF_EM_REL_MASK) != TCF_EM_REL_MASK) 536 537 enum { 538 TCF_LAYER_LINK, 539 TCF_LAYER_NETWORK, 540 TCF_LAYER_TRANSPORT, 541 __TCF_LAYER_MAX 542 }; 543 #define TCF_LAYER_MAX (__TCF_LAYER_MAX - 1) 544 545 /* Ematch type assignments 546 * 1..32767 Reserved for ematches inside kernel tree 547 * 32768..65535 Free to use, not reliable 548 */ 549 #define TCF_EM_CONTAINER 0 550 #define TCF_EM_CMP 1 551 #define TCF_EM_NBYTE 2 552 #define TCF_EM_U32 3 553 #define TCF_EM_META 4 554 #define TCF_EM_TEXT 5 555 #define TCF_EM_VLAN 6 556 #define TCF_EM_CANID 7 557 #define TCF_EM_IPSET 8 558 #define TCF_EM_MAX 8 559 560 enum { 561 TCF_EM_PROG_TC 562 }; 563 564 enum { 565 TCF_EM_OPND_EQ, 566 TCF_EM_OPND_GT, 567 TCF_EM_OPND_LT 568 }; 569 570 #endif 571
