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_JUMP 0x10000000 91 92 /* Action type identifiers*/ 93 enum { 94 TCA_ID_UNSPEC=0, 95 TCA_ID_POLICE=1, 96 /* other actions go here */ 97 __TCA_ID_MAX=255 98 }; 99 100 #define TCA_ID_MAX __TCA_ID_MAX 101 102 struct tc_police { 103 __u32 index; 104 int action; 105 #define TC_POLICE_UNSPEC TC_ACT_UNSPEC 106 #define TC_POLICE_OK TC_ACT_OK 107 #define TC_POLICE_RECLASSIFY TC_ACT_RECLASSIFY 108 #define TC_POLICE_SHOT TC_ACT_SHOT 109 #define TC_POLICE_PIPE TC_ACT_PIPE 110 111 __u32 limit; 112 __u32 burst; 113 __u32 mtu; 114 struct tc_ratespec rate; 115 struct tc_ratespec peakrate; 116 int refcnt; 117 int bindcnt; 118 __u32 capab; 119 }; 120 121 struct tcf_t { 122 __u64 install; 123 __u64 lastuse; 124 __u64 expires; 125 }; 126 127 struct tc_cnt { 128 int refcnt; 129 int bindcnt; 130 }; 131 132 #define tc_gen \ 133 __u32 index; \ 134 __u32 capab; \ 135 int action; \ 136 int refcnt; \ 137 int bindcnt 138 139 enum { 140 TCA_POLICE_UNSPEC, 141 TCA_POLICE_TBF, 142 TCA_POLICE_RATE, 143 TCA_POLICE_PEAKRATE, 144 TCA_POLICE_AVRATE, 145 TCA_POLICE_RESULT, 146 __TCA_POLICE_MAX 147 #define TCA_POLICE_RESULT TCA_POLICE_RESULT 148 }; 149 150 #define TCA_POLICE_MAX (__TCA_POLICE_MAX - 1) 151 152 /* U32 filters */ 153 154 #define TC_U32_HTID(h) ((h)&0xFFF00000) 155 #define TC_U32_USERHTID(h) (TC_U32_HTID(h)>>20) 156 #define TC_U32_HASH(h) (((h)>>12)&0xFF) 157 #define TC_U32_NODE(h) ((h)&0xFFF) 158 #define TC_U32_KEY(h) ((h)&0xFFFFF) 159 #define TC_U32_UNSPEC 0 160 #define TC_U32_ROOT (0xFFF00000) 161 162 enum { 163 TCA_U32_UNSPEC, 164 TCA_U32_CLASSID, 165 TCA_U32_HASH, 166 TCA_U32_LINK, 167 TCA_U32_DIVISOR, 168 TCA_U32_SEL, 169 TCA_U32_POLICE, 170 TCA_U32_ACT, 171 TCA_U32_INDEV, 172 TCA_U32_PCNT, 173 TCA_U32_MARK, 174 __TCA_U32_MAX 175 }; 176 177 #define TCA_U32_MAX (__TCA_U32_MAX - 1) 178 179 struct tc_u32_key { 180 __be32 mask; 181 __be32 val; 182 int off; 183 int offmask; 184 }; 185 186 struct tc_u32_sel { 187 unsigned char flags; 188 unsigned char offshift; 189 unsigned char nkeys; 190 191 __be16 offmask; 192 __u16 off; 193 short offoff; 194 195 short hoff; 196 __be32 hmask; 197 struct tc_u32_key keys[0]; 198 }; 199 200 struct tc_u32_mark { 201 __u32 val; 202 __u32 mask; 203 __u32 success; 204 }; 205 206 struct tc_u32_pcnt { 207 __u64 rcnt; 208 __u64 rhit; 209 __u64 kcnts[0]; 210 }; 211 212 /* Flags */ 213 214 #define TC_U32_TERMINAL 1 215 #define TC_U32_OFFSET 2 216 #define TC_U32_VAROFFSET 4 217 #define TC_U32_EAT 8 218 219 #define TC_U32_MAXDEPTH 8 220 221 222 /* RSVP filter */ 223 224 enum { 225 TCA_RSVP_UNSPEC, 226 TCA_RSVP_CLASSID, 227 TCA_RSVP_DST, 228 TCA_RSVP_SRC, 229 TCA_RSVP_PINFO, 230 TCA_RSVP_POLICE, 231 TCA_RSVP_ACT, 232 __TCA_RSVP_MAX 233 }; 234 235 #define TCA_RSVP_MAX (__TCA_RSVP_MAX - 1 ) 236 237 struct tc_rsvp_gpi { 238 __u32 key; 239 __u32 mask; 240 int offset; 241 }; 242 243 struct tc_rsvp_pinfo { 244 struct tc_rsvp_gpi dpi; 245 struct tc_rsvp_gpi spi; 246 __u8 protocol; 247 __u8 tunnelid; 248 __u8 tunnelhdr; 249 __u8 pad; 250 }; 251 252 /* ROUTE filter */ 253 254 enum { 255 TCA_ROUTE4_UNSPEC, 256 TCA_ROUTE4_CLASSID, 257 TCA_ROUTE4_TO, 258 TCA_ROUTE4_FROM, 259 TCA_ROUTE4_IIF, 260 TCA_ROUTE4_POLICE, 261 TCA_ROUTE4_ACT, 262 __TCA_ROUTE4_MAX 263 }; 264 265 #define TCA_ROUTE4_MAX (__TCA_ROUTE4_MAX - 1) 266 267 268 /* FW filter */ 269 270 enum { 271 TCA_FW_UNSPEC, 272 TCA_FW_CLASSID, 273 TCA_FW_POLICE, 274 TCA_FW_INDEV, /* used by CONFIG_NET_CLS_IND */ 275 TCA_FW_ACT, /* used by CONFIG_NET_CLS_ACT */ 276 TCA_FW_MASK, 277 __TCA_FW_MAX 278 }; 279 280 #define TCA_FW_MAX (__TCA_FW_MAX - 1) 281 282 /* TC index filter */ 283 284 enum { 285 TCA_TCINDEX_UNSPEC, 286 TCA_TCINDEX_HASH, 287 TCA_TCINDEX_MASK, 288 TCA_TCINDEX_SHIFT, 289 TCA_TCINDEX_FALL_THROUGH, 290 TCA_TCINDEX_CLASSID, 291 TCA_TCINDEX_POLICE, 292 TCA_TCINDEX_ACT, 293 __TCA_TCINDEX_MAX 294 }; 295 296 #define TCA_TCINDEX_MAX (__TCA_TCINDEX_MAX - 1) 297 298 /* Flow filter */ 299 300 enum { 301 FLOW_KEY_SRC, 302 FLOW_KEY_DST, 303 FLOW_KEY_PROTO, 304 FLOW_KEY_PROTO_SRC, 305 FLOW_KEY_PROTO_DST, 306 FLOW_KEY_IIF, 307 FLOW_KEY_PRIORITY, 308 FLOW_KEY_MARK, 309 FLOW_KEY_NFCT, 310 FLOW_KEY_NFCT_SRC, 311 FLOW_KEY_NFCT_DST, 312 FLOW_KEY_NFCT_PROTO_SRC, 313 FLOW_KEY_NFCT_PROTO_DST, 314 FLOW_KEY_RTCLASSID, 315 FLOW_KEY_SKUID, 316 FLOW_KEY_SKGID, 317 FLOW_KEY_VLAN_TAG, 318 FLOW_KEY_RXHASH, 319 __FLOW_KEY_MAX, 320 }; 321 322 #define FLOW_KEY_MAX (__FLOW_KEY_MAX - 1) 323 324 enum { 325 FLOW_MODE_MAP, 326 FLOW_MODE_HASH, 327 }; 328 329 enum { 330 TCA_FLOW_UNSPEC, 331 TCA_FLOW_KEYS, 332 TCA_FLOW_MODE, 333 TCA_FLOW_BASECLASS, 334 TCA_FLOW_RSHIFT, 335 TCA_FLOW_ADDEND, 336 TCA_FLOW_MASK, 337 TCA_FLOW_XOR, 338 TCA_FLOW_DIVISOR, 339 TCA_FLOW_ACT, 340 TCA_FLOW_POLICE, 341 TCA_FLOW_EMATCHES, 342 TCA_FLOW_PERTURB, 343 __TCA_FLOW_MAX 344 }; 345 346 #define TCA_FLOW_MAX (__TCA_FLOW_MAX - 1) 347 348 /* Basic filter */ 349 350 enum { 351 TCA_BASIC_UNSPEC, 352 TCA_BASIC_CLASSID, 353 TCA_BASIC_EMATCHES, 354 TCA_BASIC_ACT, 355 TCA_BASIC_POLICE, 356 __TCA_BASIC_MAX 357 }; 358 359 #define TCA_BASIC_MAX (__TCA_BASIC_MAX - 1) 360 361 362 /* Cgroup classifier */ 363 364 enum { 365 TCA_CGROUP_UNSPEC, 366 TCA_CGROUP_ACT, 367 TCA_CGROUP_POLICE, 368 TCA_CGROUP_EMATCHES, 369 __TCA_CGROUP_MAX, 370 }; 371 372 #define TCA_CGROUP_MAX (__TCA_CGROUP_MAX - 1) 373 374 /* BPF classifier */ 375 376 enum { 377 TCA_BPF_UNSPEC, 378 TCA_BPF_ACT, 379 TCA_BPF_POLICE, 380 TCA_BPF_CLASSID, 381 TCA_BPF_OPS_LEN, 382 TCA_BPF_OPS, 383 TCA_BPF_FD, 384 TCA_BPF_NAME, 385 __TCA_BPF_MAX, 386 }; 387 388 #define TCA_BPF_MAX (__TCA_BPF_MAX - 1) 389 390 /* Flower classifier */ 391 392 enum { 393 TCA_FLOWER_UNSPEC, 394 TCA_FLOWER_CLASSID, 395 TCA_FLOWER_INDEV, 396 TCA_FLOWER_ACT, 397 TCA_FLOWER_KEY_ETH_DST, /* ETH_ALEN */ 398 TCA_FLOWER_KEY_ETH_DST_MASK, /* ETH_ALEN */ 399 TCA_FLOWER_KEY_ETH_SRC, /* ETH_ALEN */ 400 TCA_FLOWER_KEY_ETH_SRC_MASK, /* ETH_ALEN */ 401 TCA_FLOWER_KEY_ETH_TYPE, /* be16 */ 402 TCA_FLOWER_KEY_IP_PROTO, /* u8 */ 403 TCA_FLOWER_KEY_IPV4_SRC, /* be32 */ 404 TCA_FLOWER_KEY_IPV4_SRC_MASK, /* be32 */ 405 TCA_FLOWER_KEY_IPV4_DST, /* be32 */ 406 TCA_FLOWER_KEY_IPV4_DST_MASK, /* be32 */ 407 TCA_FLOWER_KEY_IPV6_SRC, /* struct in6_addr */ 408 TCA_FLOWER_KEY_IPV6_SRC_MASK, /* struct in6_addr */ 409 TCA_FLOWER_KEY_IPV6_DST, /* struct in6_addr */ 410 TCA_FLOWER_KEY_IPV6_DST_MASK, /* struct in6_addr */ 411 TCA_FLOWER_KEY_TCP_SRC, /* be16 */ 412 TCA_FLOWER_KEY_TCP_DST, /* be16 */ 413 TCA_FLOWER_KEY_UDP_SRC, /* be16 */ 414 TCA_FLOWER_KEY_UDP_DST, /* be16 */ 415 __TCA_FLOWER_MAX, 416 }; 417 418 #define TCA_FLOWER_MAX (__TCA_FLOWER_MAX - 1) 419 420 /* Extended Matches */ 421 422 struct tcf_ematch_tree_hdr { 423 __u16 nmatches; 424 __u16 progid; 425 }; 426 427 enum { 428 TCA_EMATCH_TREE_UNSPEC, 429 TCA_EMATCH_TREE_HDR, 430 TCA_EMATCH_TREE_LIST, 431 __TCA_EMATCH_TREE_MAX 432 }; 433 #define TCA_EMATCH_TREE_MAX (__TCA_EMATCH_TREE_MAX - 1) 434 435 struct tcf_ematch_hdr { 436 __u16 matchid; 437 __u16 kind; 438 __u16 flags; 439 __u16 pad; /* currently unused */ 440 }; 441 442 /* 0 1 443 * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 444 * +-----------------------+-+-+---+ 445 * | Unused |S|I| R | 446 * +-----------------------+-+-+---+ 447 * 448 * R(2) ::= relation to next ematch 449 * where: 0 0 END (last ematch) 450 * 0 1 AND 451 * 1 0 OR 452 * 1 1 Unused (invalid) 453 * I(1) ::= invert result 454 * S(1) ::= simple payload 455 */ 456 #define TCF_EM_REL_END 0 457 #define TCF_EM_REL_AND (1<<0) 458 #define TCF_EM_REL_OR (1<<1) 459 #define TCF_EM_INVERT (1<<2) 460 #define TCF_EM_SIMPLE (1<<3) 461 462 #define TCF_EM_REL_MASK 3 463 #define TCF_EM_REL_VALID(v) (((v) & TCF_EM_REL_MASK) != TCF_EM_REL_MASK) 464 465 enum { 466 TCF_LAYER_LINK, 467 TCF_LAYER_NETWORK, 468 TCF_LAYER_TRANSPORT, 469 __TCF_LAYER_MAX 470 }; 471 #define TCF_LAYER_MAX (__TCF_LAYER_MAX - 1) 472 473 /* Ematch type assignments 474 * 1..32767 Reserved for ematches inside kernel tree 475 * 32768..65535 Free to use, not reliable 476 */ 477 #define TCF_EM_CONTAINER 0 478 #define TCF_EM_CMP 1 479 #define TCF_EM_NBYTE 2 480 #define TCF_EM_U32 3 481 #define TCF_EM_META 4 482 #define TCF_EM_TEXT 5 483 #define TCF_EM_VLAN 6 484 #define TCF_EM_CANID 7 485 #define TCF_EM_IPSET 8 486 #define TCF_EM_MAX 8 487 488 enum { 489 TCF_EM_PROG_TC 490 }; 491 492 enum { 493 TCF_EM_OPND_EQ, 494 TCF_EM_OPND_GT, 495 TCF_EM_OPND_LT 496 }; 497 498 #endif 499