1 #ifndef __LINUX_PKT_CLS_H 2 #define __LINUX_PKT_CLS_H 3 4 #include <linux/types.h> 5 #include <linux/pkt_sched.h> 6 7 #ifdef __KERNEL__ 8 /* I think i could have done better macros ; for now this is stolen from 9 * some arch/mips code - jhs 10 */ 11 #define _TC_MAKE32(x) ((x)) 12 13 #define _TC_MAKEMASK1(n) (_TC_MAKE32(1) << _TC_MAKE32(n)) 14 #define _TC_MAKEMASK(v,n) (_TC_MAKE32((_TC_MAKE32(1)<<(v))-1) << _TC_MAKE32(n)) 15 #define _TC_MAKEVALUE(v,n) (_TC_MAKE32(v) << _TC_MAKE32(n)) 16 #define _TC_GETVALUE(v,n,m) ((_TC_MAKE32(v) & _TC_MAKE32(m)) >> _TC_MAKE32(n)) 17 18 /* verdict bit breakdown 19 * 20 bit 0: when set -> this packet has been munged already 21 22 bit 1: when set -> It is ok to munge this packet 23 24 bit 2,3,4,5: Reclassify counter - sort of reverse TTL - if exceeded 25 assume loop 26 27 bit 6,7: Where this packet was last seen 28 0: Above the transmit example at the socket level 29 1: on the Ingress 30 2: on the Egress 31 32 bit 8: when set --> Request not to classify on ingress. 33 34 bits 9,10,11: redirect counter - redirect TTL. Loop avoidance 35 36 * 37 * */ 38 39 #define S_TC_FROM _TC_MAKE32(6) 40 #define M_TC_FROM _TC_MAKEMASK(2,S_TC_FROM) 41 #define G_TC_FROM(x) _TC_GETVALUE(x,S_TC_FROM,M_TC_FROM) 42 #define V_TC_FROM(x) _TC_MAKEVALUE(x,S_TC_FROM) 43 #define SET_TC_FROM(v,n) ((V_TC_FROM(n)) | (v & ~M_TC_FROM)) 44 #define AT_STACK 0x0 45 #define AT_INGRESS 0x1 46 #define AT_EGRESS 0x2 47 48 #define TC_NCLS _TC_MAKEMASK1(8) 49 #define SET_TC_NCLS(v) ( TC_NCLS | (v & ~TC_NCLS)) 50 #define CLR_TC_NCLS(v) ( v & ~TC_NCLS) 51 52 #define S_TC_AT _TC_MAKE32(12) 53 #define M_TC_AT _TC_MAKEMASK(2,S_TC_AT) 54 #define G_TC_AT(x) _TC_GETVALUE(x,S_TC_AT,M_TC_AT) 55 #define V_TC_AT(x) _TC_MAKEVALUE(x,S_TC_AT) 56 #define SET_TC_AT(v,n) ((V_TC_AT(n)) | (v & ~M_TC_AT)) 57 58 #define MAX_REC_LOOP 4 59 #define MAX_RED_LOOP 4 60 #endif 61 62 /* Action attributes */ 63 enum { 64 TCA_ACT_UNSPEC, 65 TCA_ACT_KIND, 66 TCA_ACT_OPTIONS, 67 TCA_ACT_INDEX, 68 TCA_ACT_STATS, 69 __TCA_ACT_MAX 70 }; 71 72 #define TCA_ACT_MAX __TCA_ACT_MAX 73 #define TCA_OLD_COMPAT (TCA_ACT_MAX+1) 74 #define TCA_ACT_MAX_PRIO 32 75 #define TCA_ACT_BIND 1 76 #define TCA_ACT_NOBIND 0 77 #define TCA_ACT_UNBIND 1 78 #define TCA_ACT_NOUNBIND 0 79 #define TCA_ACT_REPLACE 1 80 #define TCA_ACT_NOREPLACE 0 81 82 #define TC_ACT_UNSPEC (-1) 83 #define TC_ACT_OK 0 84 #define TC_ACT_RECLASSIFY 1 85 #define TC_ACT_SHOT 2 86 #define TC_ACT_PIPE 3 87 #define TC_ACT_STOLEN 4 88 #define TC_ACT_QUEUED 5 89 #define TC_ACT_REPEAT 6 90 #define TC_ACT_REDIRECT 7 91 #define TC_ACT_JUMP 0x10000000 92 93 /* Action type identifiers*/ 94 enum { 95 TCA_ID_UNSPEC=0, 96 TCA_ID_POLICE=1, 97 /* other actions go here */ 98 __TCA_ID_MAX=255 99 }; 100 101 #define TCA_ID_MAX __TCA_ID_MAX 102 103 struct tc_police { 104 __u32 index; 105 int action; 106 #define TC_POLICE_UNSPEC TC_ACT_UNSPEC 107 #define TC_POLICE_OK TC_ACT_OK 108 #define TC_POLICE_RECLASSIFY TC_ACT_RECLASSIFY 109 #define TC_POLICE_SHOT TC_ACT_SHOT 110 #define TC_POLICE_PIPE TC_ACT_PIPE 111 112 __u32 limit; 113 __u32 burst; 114 __u32 mtu; 115 struct tc_ratespec rate; 116 struct tc_ratespec peakrate; 117 int refcnt; 118 int bindcnt; 119 __u32 capab; 120 }; 121 122 struct tcf_t { 123 __u64 install; 124 __u64 lastuse; 125 __u64 expires; 126 }; 127 128 struct tc_cnt { 129 int refcnt; 130 int bindcnt; 131 }; 132 133 #define tc_gen \ 134 __u32 index; \ 135 __u32 capab; \ 136 int action; \ 137 int refcnt; \ 138 int bindcnt 139 140 enum { 141 TCA_POLICE_UNSPEC, 142 TCA_POLICE_TBF, 143 TCA_POLICE_RATE, 144 TCA_POLICE_PEAKRATE, 145 TCA_POLICE_AVRATE, 146 TCA_POLICE_RESULT, 147 __TCA_POLICE_MAX 148 #define TCA_POLICE_RESULT TCA_POLICE_RESULT 149 }; 150 151 #define TCA_POLICE_MAX (__TCA_POLICE_MAX - 1) 152 153 /* U32 filters */ 154 155 #define TC_U32_HTID(h) ((h)&0xFFF00000) 156 #define TC_U32_USERHTID(h) (TC_U32_HTID(h)>>20) 157 #define TC_U32_HASH(h) (((h)>>12)&0xFF) 158 #define TC_U32_NODE(h) ((h)&0xFFF) 159 #define TC_U32_KEY(h) ((h)&0xFFFFF) 160 #define TC_U32_UNSPEC 0 161 #define TC_U32_ROOT (0xFFF00000) 162 163 enum { 164 TCA_U32_UNSPEC, 165 TCA_U32_CLASSID, 166 TCA_U32_HASH, 167 TCA_U32_LINK, 168 TCA_U32_DIVISOR, 169 TCA_U32_SEL, 170 TCA_U32_POLICE, 171 TCA_U32_ACT, 172 TCA_U32_INDEV, 173 TCA_U32_PCNT, 174 TCA_U32_MARK, 175 TCA_U32_FLAGS, 176 __TCA_U32_MAX 177 }; 178 179 #define TCA_U32_MAX (__TCA_U32_MAX - 1) 180 181 struct tc_u32_key { 182 __be32 mask; 183 __be32 val; 184 int off; 185 int offmask; 186 }; 187 188 struct tc_u32_sel { 189 unsigned char flags; 190 unsigned char offshift; 191 unsigned char nkeys; 192 193 __be16 offmask; 194 __u16 off; 195 short offoff; 196 197 short hoff; 198 __be32 hmask; 199 struct tc_u32_key keys[0]; 200 }; 201 202 struct tc_u32_mark { 203 __u32 val; 204 __u32 mask; 205 __u32 success; 206 }; 207 208 struct tc_u32_pcnt { 209 __u64 rcnt; 210 __u64 rhit; 211 __u64 kcnts[0]; 212 }; 213 214 /* Flags */ 215 216 #define TC_U32_TERMINAL 1 217 #define TC_U32_OFFSET 2 218 #define TC_U32_VAROFFSET 4 219 #define TC_U32_EAT 8 220 221 #define TC_U32_MAXDEPTH 8 222 223 224 /* RSVP filter */ 225 226 enum { 227 TCA_RSVP_UNSPEC, 228 TCA_RSVP_CLASSID, 229 TCA_RSVP_DST, 230 TCA_RSVP_SRC, 231 TCA_RSVP_PINFO, 232 TCA_RSVP_POLICE, 233 TCA_RSVP_ACT, 234 __TCA_RSVP_MAX 235 }; 236 237 #define TCA_RSVP_MAX (__TCA_RSVP_MAX - 1 ) 238 239 struct tc_rsvp_gpi { 240 __u32 key; 241 __u32 mask; 242 int offset; 243 }; 244 245 struct tc_rsvp_pinfo { 246 struct tc_rsvp_gpi dpi; 247 struct tc_rsvp_gpi spi; 248 __u8 protocol; 249 __u8 tunnelid; 250 __u8 tunnelhdr; 251 __u8 pad; 252 }; 253 254 /* ROUTE filter */ 255 256 enum { 257 TCA_ROUTE4_UNSPEC, 258 TCA_ROUTE4_CLASSID, 259 TCA_ROUTE4_TO, 260 TCA_ROUTE4_FROM, 261 TCA_ROUTE4_IIF, 262 TCA_ROUTE4_POLICE, 263 TCA_ROUTE4_ACT, 264 __TCA_ROUTE4_MAX 265 }; 266 267 #define TCA_ROUTE4_MAX (__TCA_ROUTE4_MAX - 1) 268 269 270 /* FW filter */ 271 272 enum { 273 TCA_FW_UNSPEC, 274 TCA_FW_CLASSID, 275 TCA_FW_POLICE, 276 TCA_FW_INDEV, /* used by CONFIG_NET_CLS_IND */ 277 TCA_FW_ACT, /* used by CONFIG_NET_CLS_ACT */ 278 TCA_FW_MASK, 279 __TCA_FW_MAX 280 }; 281 282 #define TCA_FW_MAX (__TCA_FW_MAX - 1) 283 284 /* TC index filter */ 285 286 enum { 287 TCA_TCINDEX_UNSPEC, 288 TCA_TCINDEX_HASH, 289 TCA_TCINDEX_MASK, 290 TCA_TCINDEX_SHIFT, 291 TCA_TCINDEX_FALL_THROUGH, 292 TCA_TCINDEX_CLASSID, 293 TCA_TCINDEX_POLICE, 294 TCA_TCINDEX_ACT, 295 __TCA_TCINDEX_MAX 296 }; 297 298 #define TCA_TCINDEX_MAX (__TCA_TCINDEX_MAX - 1) 299 300 /* Flow filter */ 301 302 enum { 303 FLOW_KEY_SRC, 304 FLOW_KEY_DST, 305 FLOW_KEY_PROTO, 306 FLOW_KEY_PROTO_SRC, 307 FLOW_KEY_PROTO_DST, 308 FLOW_KEY_IIF, 309 FLOW_KEY_PRIORITY, 310 FLOW_KEY_MARK, 311 FLOW_KEY_NFCT, 312 FLOW_KEY_NFCT_SRC, 313 FLOW_KEY_NFCT_DST, 314 FLOW_KEY_NFCT_PROTO_SRC, 315 FLOW_KEY_NFCT_PROTO_DST, 316 FLOW_KEY_RTCLASSID, 317 FLOW_KEY_SKUID, 318 FLOW_KEY_SKGID, 319 FLOW_KEY_VLAN_TAG, 320 FLOW_KEY_RXHASH, 321 __FLOW_KEY_MAX, 322 }; 323 324 #define FLOW_KEY_MAX (__FLOW_KEY_MAX - 1) 325 326 enum { 327 FLOW_MODE_MAP, 328 FLOW_MODE_HASH, 329 }; 330 331 enum { 332 TCA_FLOW_UNSPEC, 333 TCA_FLOW_KEYS, 334 TCA_FLOW_MODE, 335 TCA_FLOW_BASECLASS, 336 TCA_FLOW_RSHIFT, 337 TCA_FLOW_ADDEND, 338 TCA_FLOW_MASK, 339 TCA_FLOW_XOR, 340 TCA_FLOW_DIVISOR, 341 TCA_FLOW_ACT, 342 TCA_FLOW_POLICE, 343 TCA_FLOW_EMATCHES, 344 TCA_FLOW_PERTURB, 345 __TCA_FLOW_MAX 346 }; 347 348 #define TCA_FLOW_MAX (__TCA_FLOW_MAX - 1) 349 350 /* Basic filter */ 351 352 enum { 353 TCA_BASIC_UNSPEC, 354 TCA_BASIC_CLASSID, 355 TCA_BASIC_EMATCHES, 356 TCA_BASIC_ACT, 357 TCA_BASIC_POLICE, 358 __TCA_BASIC_MAX 359 }; 360 361 #define TCA_BASIC_MAX (__TCA_BASIC_MAX - 1) 362 363 364 /* Cgroup classifier */ 365 366 enum { 367 TCA_CGROUP_UNSPEC, 368 TCA_CGROUP_ACT, 369 TCA_CGROUP_POLICE, 370 TCA_CGROUP_EMATCHES, 371 __TCA_CGROUP_MAX, 372 }; 373 374 #define TCA_CGROUP_MAX (__TCA_CGROUP_MAX - 1) 375 376 /* BPF classifier */ 377 378 #define TCA_BPF_FLAG_ACT_DIRECT (1 << 0) 379 380 enum { 381 TCA_BPF_UNSPEC, 382 TCA_BPF_ACT, 383 TCA_BPF_POLICE, 384 TCA_BPF_CLASSID, 385 TCA_BPF_OPS_LEN, 386 TCA_BPF_OPS, 387 TCA_BPF_FD, 388 TCA_BPF_NAME, 389 TCA_BPF_FLAGS, 390 __TCA_BPF_MAX, 391 }; 392 393 #define TCA_BPF_MAX (__TCA_BPF_MAX - 1) 394 395 /* Flower classifier */ 396 397 enum { 398 TCA_FLOWER_UNSPEC, 399 TCA_FLOWER_CLASSID, 400 TCA_FLOWER_INDEV, 401 TCA_FLOWER_ACT, 402 TCA_FLOWER_KEY_ETH_DST, /* ETH_ALEN */ 403 TCA_FLOWER_KEY_ETH_DST_MASK, /* ETH_ALEN */ 404 TCA_FLOWER_KEY_ETH_SRC, /* ETH_ALEN */ 405 TCA_FLOWER_KEY_ETH_SRC_MASK, /* ETH_ALEN */ 406 TCA_FLOWER_KEY_ETH_TYPE, /* be16 */ 407 TCA_FLOWER_KEY_IP_PROTO, /* u8 */ 408 TCA_FLOWER_KEY_IPV4_SRC, /* be32 */ 409 TCA_FLOWER_KEY_IPV4_SRC_MASK, /* be32 */ 410 TCA_FLOWER_KEY_IPV4_DST, /* be32 */ 411 TCA_FLOWER_KEY_IPV4_DST_MASK, /* be32 */ 412 TCA_FLOWER_KEY_IPV6_SRC, /* struct in6_addr */ 413 TCA_FLOWER_KEY_IPV6_SRC_MASK, /* struct in6_addr */ 414 TCA_FLOWER_KEY_IPV6_DST, /* struct in6_addr */ 415 TCA_FLOWER_KEY_IPV6_DST_MASK, /* struct in6_addr */ 416 TCA_FLOWER_KEY_TCP_SRC, /* be16 */ 417 TCA_FLOWER_KEY_TCP_DST, /* be16 */ 418 TCA_FLOWER_KEY_UDP_SRC, /* be16 */ 419 TCA_FLOWER_KEY_UDP_DST, /* be16 */ 420 421 TCA_FLOWER_FLAGS, 422 __TCA_FLOWER_MAX, 423 }; 424 425 #define TCA_FLOWER_MAX (__TCA_FLOWER_MAX - 1) 426 427 /* Extended Matches */ 428 429 struct tcf_ematch_tree_hdr { 430 __u16 nmatches; 431 __u16 progid; 432 }; 433 434 enum { 435 TCA_EMATCH_TREE_UNSPEC, 436 TCA_EMATCH_TREE_HDR, 437 TCA_EMATCH_TREE_LIST, 438 __TCA_EMATCH_TREE_MAX 439 }; 440 #define TCA_EMATCH_TREE_MAX (__TCA_EMATCH_TREE_MAX - 1) 441 442 struct tcf_ematch_hdr { 443 __u16 matchid; 444 __u16 kind; 445 __u16 flags; 446 __u16 pad; /* currently unused */ 447 }; 448 449 /* 0 1 450 * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 451 * +-----------------------+-+-+---+ 452 * | Unused |S|I| R | 453 * +-----------------------+-+-+---+ 454 * 455 * R(2) ::= relation to next ematch 456 * where: 0 0 END (last ematch) 457 * 0 1 AND 458 * 1 0 OR 459 * 1 1 Unused (invalid) 460 * I(1) ::= invert result 461 * S(1) ::= simple payload 462 */ 463 #define TCF_EM_REL_END 0 464 #define TCF_EM_REL_AND (1<<0) 465 #define TCF_EM_REL_OR (1<<1) 466 #define TCF_EM_INVERT (1<<2) 467 #define TCF_EM_SIMPLE (1<<3) 468 469 #define TCF_EM_REL_MASK 3 470 #define TCF_EM_REL_VALID(v) (((v) & TCF_EM_REL_MASK) != TCF_EM_REL_MASK) 471 472 enum { 473 TCF_LAYER_LINK, 474 TCF_LAYER_NETWORK, 475 TCF_LAYER_TRANSPORT, 476 __TCF_LAYER_MAX 477 }; 478 #define TCF_LAYER_MAX (__TCF_LAYER_MAX - 1) 479 480 /* Ematch type assignments 481 * 1..32767 Reserved for ematches inside kernel tree 482 * 32768..65535 Free to use, not reliable 483 */ 484 #define TCF_EM_CONTAINER 0 485 #define TCF_EM_CMP 1 486 #define TCF_EM_NBYTE 2 487 #define TCF_EM_U32 3 488 #define TCF_EM_META 4 489 #define TCF_EM_TEXT 5 490 #define TCF_EM_VLAN 6 491 #define TCF_EM_CANID 7 492 #define TCF_EM_IPSET 8 493 #define TCF_EM_MAX 8 494 495 enum { 496 TCF_EM_PROG_TC 497 }; 498 499 enum { 500 TCF_EM_OPND_EQ, 501 TCF_EM_OPND_GT, 502 TCF_EM_OPND_LT 503 }; 504 505 #endif 506