1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2 #ifndef __LINUX_PKT_SCHED_H 3 #define __LINUX_PKT_SCHED_H 4 5 #include <linux/const.h> 6 #include <linux/types.h> 7 8 /* Logical priority bands not depending on specific packet scheduler. 9 Every scheduler will map them to real traffic classes, if it has 10 no more precise mechanism to classify packets. 11 12 These numbers have no special meaning, though their coincidence 13 with obsolete IPv6 values is not occasional :-). New IPv6 drafts 14 preferred full anarchy inspired by diffserv group. 15 16 Note: TC_PRIO_BESTEFFORT does not mean that it is the most unhappy 17 class, actually, as rule it will be handled with more care than 18 filler or even bulk. 19 */ 20 21 #define TC_PRIO_BESTEFFORT 0 22 #define TC_PRIO_FILLER 1 23 #define TC_PRIO_BULK 2 24 #define TC_PRIO_INTERACTIVE_BULK 4 25 #define TC_PRIO_INTERACTIVE 6 26 #define TC_PRIO_CONTROL 7 27 28 #define TC_PRIO_MAX 15 29 30 /* Generic queue statistics, available for all the elements. 31 Particular schedulers may have also their private records. 32 */ 33 34 struct tc_stats { 35 __u64 bytes; /* Number of enqueued bytes */ 36 __u32 packets; /* Number of enqueued packets */ 37 __u32 drops; /* Packets dropped because of lack of resources */ 38 __u32 overlimits; /* Number of throttle events when this 39 * flow goes out of allocated bandwidth */ 40 __u32 bps; /* Current flow byte rate */ 41 __u32 pps; /* Current flow packet rate */ 42 __u32 qlen; 43 __u32 backlog; 44 }; 45 46 struct tc_estimator { 47 signed char interval; 48 unsigned char ewma_log; 49 }; 50 51 /* "Handles" 52 --------- 53 54 All the traffic control objects have 32bit identifiers, or "handles". 55 56 They can be considered as opaque numbers from user API viewpoint, 57 but actually they always consist of two fields: major and 58 minor numbers, which are interpreted by kernel specially, 59 that may be used by applications, though not recommended. 60 61 F.e. qdisc handles always have minor number equal to zero, 62 classes (or flows) have major equal to parent qdisc major, and 63 minor uniquely identifying class inside qdisc. 64 65 Macros to manipulate handles: 66 */ 67 68 #define TC_H_MAJ_MASK (0xFFFF0000U) 69 #define TC_H_MIN_MASK (0x0000FFFFU) 70 #define TC_H_MAJ(h) ((h)&TC_H_MAJ_MASK) 71 #define TC_H_MIN(h) ((h)&TC_H_MIN_MASK) 72 #define TC_H_MAKE(maj,min) (((maj)&TC_H_MAJ_MASK)|((min)&TC_H_MIN_MASK)) 73 74 #define TC_H_UNSPEC (0U) 75 #define TC_H_ROOT (0xFFFFFFFFU) 76 #define TC_H_INGRESS (0xFFFFFFF1U) 77 #define TC_H_CLSACT TC_H_INGRESS 78 79 #define TC_H_MIN_PRIORITY 0xFFE0U 80 #define TC_H_MIN_INGRESS 0xFFF2U 81 #define TC_H_MIN_EGRESS 0xFFF3U 82 83 /* Need to corrospond to iproute2 tc/tc_core.h "enum link_layer" */ 84 enum tc_link_layer { 85 TC_LINKLAYER_UNAWARE, /* Indicate unaware old iproute2 util */ 86 TC_LINKLAYER_ETHERNET, 87 TC_LINKLAYER_ATM, 88 }; 89 #define TC_LINKLAYER_MASK 0x0F /* limit use to lower 4 bits */ 90 91 struct tc_ratespec { 92 unsigned char cell_log; 93 __u8 linklayer; /* lower 4 bits */ 94 unsigned short overhead; 95 short cell_align; 96 unsigned short mpu; 97 __u32 rate; 98 }; 99 100 #define TC_RTAB_SIZE 1024 101 102 struct tc_sizespec { 103 unsigned char cell_log; 104 unsigned char size_log; 105 short cell_align; 106 int overhead; 107 unsigned int linklayer; 108 unsigned int mpu; 109 unsigned int mtu; 110 unsigned int tsize; 111 }; 112 113 enum { 114 TCA_STAB_UNSPEC, 115 TCA_STAB_BASE, 116 TCA_STAB_DATA, 117 __TCA_STAB_MAX 118 }; 119 120 #define TCA_STAB_MAX (__TCA_STAB_MAX - 1) 121 122 /* FIFO section */ 123 124 struct tc_fifo_qopt { 125 __u32 limit; /* Queue length: bytes for bfifo, packets for pfifo */ 126 }; 127 128 /* SKBPRIO section */ 129 130 /* 131 * Priorities go from zero to (SKBPRIO_MAX_PRIORITY - 1). 132 * SKBPRIO_MAX_PRIORITY should be at least 64 in order for skbprio to be able 133 * to map one to one the DS field of IPV4 and IPV6 headers. 134 * Memory allocation grows linearly with SKBPRIO_MAX_PRIORITY. 135 */ 136 137 #define SKBPRIO_MAX_PRIORITY 64 138 139 struct tc_skbprio_qopt { 140 __u32 limit; /* Queue length in packets. */ 141 }; 142 143 /* PRIO section */ 144 145 #define TCQ_PRIO_BANDS 16 146 #define TCQ_MIN_PRIO_BANDS 2 147 148 struct tc_prio_qopt { 149 int bands; /* Number of bands */ 150 __u8 priomap[TC_PRIO_MAX+1]; /* Map: logical priority -> PRIO band */ 151 }; 152 153 /* MULTIQ section */ 154 155 struct tc_multiq_qopt { 156 __u16 bands; /* Number of bands */ 157 __u16 max_bands; /* Maximum number of queues */ 158 }; 159 160 /* PLUG section */ 161 162 #define TCQ_PLUG_BUFFER 0 163 #define TCQ_PLUG_RELEASE_ONE 1 164 #define TCQ_PLUG_RELEASE_INDEFINITE 2 165 #define TCQ_PLUG_LIMIT 3 166 167 struct tc_plug_qopt { 168 /* TCQ_PLUG_BUFFER: Inset a plug into the queue and 169 * buffer any incoming packets 170 * TCQ_PLUG_RELEASE_ONE: Dequeue packets from queue head 171 * to beginning of the next plug. 172 * TCQ_PLUG_RELEASE_INDEFINITE: Dequeue all packets from queue. 173 * Stop buffering packets until the next TCQ_PLUG_BUFFER 174 * command is received (just act as a pass-thru queue). 175 * TCQ_PLUG_LIMIT: Increase/decrease queue size 176 */ 177 int action; 178 __u32 limit; 179 }; 180 181 /* TBF section */ 182 183 struct tc_tbf_qopt { 184 struct tc_ratespec rate; 185 struct tc_ratespec peakrate; 186 __u32 limit; 187 __u32 buffer; 188 __u32 mtu; 189 }; 190 191 enum { 192 TCA_TBF_UNSPEC, 193 TCA_TBF_PARMS, 194 TCA_TBF_RTAB, 195 TCA_TBF_PTAB, 196 TCA_TBF_RATE64, 197 TCA_TBF_PRATE64, 198 TCA_TBF_BURST, 199 TCA_TBF_PBURST, 200 TCA_TBF_PAD, 201 __TCA_TBF_MAX, 202 }; 203 204 #define TCA_TBF_MAX (__TCA_TBF_MAX - 1) 205 206 207 /* TEQL section */ 208 209 /* TEQL does not require any parameters */ 210 211 /* SFQ section */ 212 213 struct tc_sfq_qopt { 214 unsigned quantum; /* Bytes per round allocated to flow */ 215 int perturb_period; /* Period of hash perturbation */ 216 __u32 limit; /* Maximal packets in queue */ 217 unsigned divisor; /* Hash divisor */ 218 unsigned flows; /* Maximal number of flows */ 219 }; 220 221 struct tc_sfqred_stats { 222 __u32 prob_drop; /* Early drops, below max threshold */ 223 __u32 forced_drop; /* Early drops, after max threshold */ 224 __u32 prob_mark; /* Marked packets, below max threshold */ 225 __u32 forced_mark; /* Marked packets, after max threshold */ 226 __u32 prob_mark_head; /* Marked packets, below max threshold */ 227 __u32 forced_mark_head;/* Marked packets, after max threshold */ 228 }; 229 230 struct tc_sfq_qopt_v1 { 231 struct tc_sfq_qopt v0; 232 unsigned int depth; /* max number of packets per flow */ 233 unsigned int headdrop; 234 /* SFQRED parameters */ 235 __u32 limit; /* HARD maximal flow queue length (bytes) */ 236 __u32 qth_min; /* Min average length threshold (bytes) */ 237 __u32 qth_max; /* Max average length threshold (bytes) */ 238 unsigned char Wlog; /* log(W) */ 239 unsigned char Plog; /* log(P_max/(qth_max-qth_min)) */ 240 unsigned char Scell_log; /* cell size for idle damping */ 241 unsigned char flags; 242 __u32 max_P; /* probability, high resolution */ 243 /* SFQRED stats */ 244 struct tc_sfqred_stats stats; 245 }; 246 247 248 struct tc_sfq_xstats { 249 __s32 allot; 250 }; 251 252 /* RED section */ 253 254 enum { 255 TCA_RED_UNSPEC, 256 TCA_RED_PARMS, 257 TCA_RED_STAB, 258 TCA_RED_MAX_P, 259 __TCA_RED_MAX, 260 }; 261 262 #define TCA_RED_MAX (__TCA_RED_MAX - 1) 263 264 struct tc_red_qopt { 265 __u32 limit; /* HARD maximal queue length (bytes) */ 266 __u32 qth_min; /* Min average length threshold (bytes) */ 267 __u32 qth_max; /* Max average length threshold (bytes) */ 268 unsigned char Wlog; /* log(W) */ 269 unsigned char Plog; /* log(P_max/(qth_max-qth_min)) */ 270 unsigned char Scell_log; /* cell size for idle damping */ 271 unsigned char flags; 272 #define TC_RED_ECN 1 273 #define TC_RED_HARDDROP 2 274 #define TC_RED_ADAPTATIVE 4 275 }; 276 277 struct tc_red_xstats { 278 __u32 early; /* Early drops */ 279 __u32 pdrop; /* Drops due to queue limits */ 280 __u32 other; /* Drops due to drop() calls */ 281 __u32 marked; /* Marked packets */ 282 }; 283 284 /* GRED section */ 285 286 #define MAX_DPs 16 287 288 enum { 289 TCA_GRED_UNSPEC, 290 TCA_GRED_PARMS, 291 TCA_GRED_STAB, 292 TCA_GRED_DPS, 293 TCA_GRED_MAX_P, 294 TCA_GRED_LIMIT, 295 TCA_GRED_VQ_LIST, /* nested TCA_GRED_VQ_ENTRY */ 296 __TCA_GRED_MAX, 297 }; 298 299 #define TCA_GRED_MAX (__TCA_GRED_MAX - 1) 300 301 enum { 302 TCA_GRED_VQ_ENTRY_UNSPEC, 303 TCA_GRED_VQ_ENTRY, /* nested TCA_GRED_VQ_* */ 304 __TCA_GRED_VQ_ENTRY_MAX, 305 }; 306 #define TCA_GRED_VQ_ENTRY_MAX (__TCA_GRED_VQ_ENTRY_MAX - 1) 307 308 enum { 309 TCA_GRED_VQ_UNSPEC, 310 TCA_GRED_VQ_PAD, 311 TCA_GRED_VQ_DP, /* u32 */ 312 TCA_GRED_VQ_STAT_BYTES, /* u64 */ 313 TCA_GRED_VQ_STAT_PACKETS, /* u32 */ 314 TCA_GRED_VQ_STAT_BACKLOG, /* u32 */ 315 TCA_GRED_VQ_STAT_PROB_DROP, /* u32 */ 316 TCA_GRED_VQ_STAT_PROB_MARK, /* u32 */ 317 TCA_GRED_VQ_STAT_FORCED_DROP, /* u32 */ 318 TCA_GRED_VQ_STAT_FORCED_MARK, /* u32 */ 319 TCA_GRED_VQ_STAT_PDROP, /* u32 */ 320 TCA_GRED_VQ_STAT_OTHER, /* u32 */ 321 TCA_GRED_VQ_FLAGS, /* u32 */ 322 __TCA_GRED_VQ_MAX 323 }; 324 325 #define TCA_GRED_VQ_MAX (__TCA_GRED_VQ_MAX - 1) 326 327 struct tc_gred_qopt { 328 __u32 limit; /* HARD maximal queue length (bytes) */ 329 __u32 qth_min; /* Min average length threshold (bytes) */ 330 __u32 qth_max; /* Max average length threshold (bytes) */ 331 __u32 DP; /* up to 2^32 DPs */ 332 __u32 backlog; 333 __u32 qave; 334 __u32 forced; 335 __u32 early; 336 __u32 other; 337 __u32 pdrop; 338 __u8 Wlog; /* log(W) */ 339 __u8 Plog; /* log(P_max/(qth_max-qth_min)) */ 340 __u8 Scell_log; /* cell size for idle damping */ 341 __u8 prio; /* prio of this VQ */ 342 __u32 packets; 343 __u32 bytesin; 344 }; 345 346 /* gred setup */ 347 struct tc_gred_sopt { 348 __u32 DPs; 349 __u32 def_DP; 350 __u8 grio; 351 __u8 flags; 352 __u16 pad1; 353 }; 354 355 /* CHOKe section */ 356 357 enum { 358 TCA_CHOKE_UNSPEC, 359 TCA_CHOKE_PARMS, 360 TCA_CHOKE_STAB, 361 TCA_CHOKE_MAX_P, 362 __TCA_CHOKE_MAX, 363 }; 364 365 #define TCA_CHOKE_MAX (__TCA_CHOKE_MAX - 1) 366 367 struct tc_choke_qopt { 368 __u32 limit; /* Hard queue length (packets) */ 369 __u32 qth_min; /* Min average threshold (packets) */ 370 __u32 qth_max; /* Max average threshold (packets) */ 371 unsigned char Wlog; /* log(W) */ 372 unsigned char Plog; /* log(P_max/(qth_max-qth_min)) */ 373 unsigned char Scell_log; /* cell size for idle damping */ 374 unsigned char flags; /* see RED flags */ 375 }; 376 377 struct tc_choke_xstats { 378 __u32 early; /* Early drops */ 379 __u32 pdrop; /* Drops due to queue limits */ 380 __u32 other; /* Drops due to drop() calls */ 381 __u32 marked; /* Marked packets */ 382 __u32 matched; /* Drops due to flow match */ 383 }; 384 385 /* HTB section */ 386 #define TC_HTB_NUMPRIO 8 387 #define TC_HTB_MAXDEPTH 8 388 #define TC_HTB_PROTOVER 3 /* the same as HTB and TC's major */ 389 390 struct tc_htb_opt { 391 struct tc_ratespec rate; 392 struct tc_ratespec ceil; 393 __u32 buffer; 394 __u32 cbuffer; 395 __u32 quantum; 396 __u32 level; /* out only */ 397 __u32 prio; 398 }; 399 struct tc_htb_glob { 400 __u32 version; /* to match HTB/TC */ 401 __u32 rate2quantum; /* bps->quantum divisor */ 402 __u32 defcls; /* default class number */ 403 __u32 debug; /* debug flags */ 404 405 /* stats */ 406 __u32 direct_pkts; /* count of non shaped packets */ 407 }; 408 enum { 409 TCA_HTB_UNSPEC, 410 TCA_HTB_PARMS, 411 TCA_HTB_INIT, 412 TCA_HTB_CTAB, 413 TCA_HTB_RTAB, 414 TCA_HTB_DIRECT_QLEN, 415 TCA_HTB_RATE64, 416 TCA_HTB_CEIL64, 417 TCA_HTB_PAD, 418 __TCA_HTB_MAX, 419 }; 420 421 #define TCA_HTB_MAX (__TCA_HTB_MAX - 1) 422 423 struct tc_htb_xstats { 424 __u32 lends; 425 __u32 borrows; 426 __u32 giants; /* unused since 'Make HTB scheduler work with TSO.' */ 427 __s32 tokens; 428 __s32 ctokens; 429 }; 430 431 /* HFSC section */ 432 433 struct tc_hfsc_qopt { 434 __u16 defcls; /* default class */ 435 }; 436 437 struct tc_service_curve { 438 __u32 m1; /* slope of the first segment in bps */ 439 __u32 d; /* x-projection of the first segment in us */ 440 __u32 m2; /* slope of the second segment in bps */ 441 }; 442 443 struct tc_hfsc_stats { 444 __u64 work; /* total work done */ 445 __u64 rtwork; /* work done by real-time criteria */ 446 __u32 period; /* current period */ 447 __u32 level; /* class level in hierarchy */ 448 }; 449 450 enum { 451 TCA_HFSC_UNSPEC, 452 TCA_HFSC_RSC, 453 TCA_HFSC_FSC, 454 TCA_HFSC_USC, 455 __TCA_HFSC_MAX, 456 }; 457 458 #define TCA_HFSC_MAX (__TCA_HFSC_MAX - 1) 459 460 461 /* CBQ section */ 462 463 #define TC_CBQ_MAXPRIO 8 464 #define TC_CBQ_MAXLEVEL 8 465 #define TC_CBQ_DEF_EWMA 5 466 467 struct tc_cbq_lssopt { 468 unsigned char change; 469 unsigned char flags; 470 #define TCF_CBQ_LSS_BOUNDED 1 471 #define TCF_CBQ_LSS_ISOLATED 2 472 unsigned char ewma_log; 473 unsigned char level; 474 #define TCF_CBQ_LSS_FLAGS 1 475 #define TCF_CBQ_LSS_EWMA 2 476 #define TCF_CBQ_LSS_MAXIDLE 4 477 #define TCF_CBQ_LSS_MINIDLE 8 478 #define TCF_CBQ_LSS_OFFTIME 0x10 479 #define TCF_CBQ_LSS_AVPKT 0x20 480 __u32 maxidle; 481 __u32 minidle; 482 __u32 offtime; 483 __u32 avpkt; 484 }; 485 486 struct tc_cbq_wrropt { 487 unsigned char flags; 488 unsigned char priority; 489 unsigned char cpriority; 490 unsigned char __reserved; 491 __u32 allot; 492 __u32 weight; 493 }; 494 495 struct tc_cbq_ovl { 496 unsigned char strategy; 497 #define TC_CBQ_OVL_CLASSIC 0 498 #define TC_CBQ_OVL_DELAY 1 499 #define TC_CBQ_OVL_LOWPRIO 2 500 #define TC_CBQ_OVL_DROP 3 501 #define TC_CBQ_OVL_RCLASSIC 4 502 unsigned char priority2; 503 __u16 pad; 504 __u32 penalty; 505 }; 506 507 struct tc_cbq_police { 508 unsigned char police; 509 unsigned char __res1; 510 unsigned short __res2; 511 }; 512 513 struct tc_cbq_fopt { 514 __u32 split; 515 __u32 defmap; 516 __u32 defchange; 517 }; 518 519 struct tc_cbq_xstats { 520 __u32 borrows; 521 __u32 overactions; 522 __s32 avgidle; 523 __s32 undertime; 524 }; 525 526 enum { 527 TCA_CBQ_UNSPEC, 528 TCA_CBQ_LSSOPT, 529 TCA_CBQ_WRROPT, 530 TCA_CBQ_FOPT, 531 TCA_CBQ_OVL_STRATEGY, 532 TCA_CBQ_RATE, 533 TCA_CBQ_RTAB, 534 TCA_CBQ_POLICE, 535 __TCA_CBQ_MAX, 536 }; 537 538 #define TCA_CBQ_MAX (__TCA_CBQ_MAX - 1) 539 540 /* dsmark section */ 541 542 enum { 543 TCA_DSMARK_UNSPEC, 544 TCA_DSMARK_INDICES, 545 TCA_DSMARK_DEFAULT_INDEX, 546 TCA_DSMARK_SET_TC_INDEX, 547 TCA_DSMARK_MASK, 548 TCA_DSMARK_VALUE, 549 __TCA_DSMARK_MAX, 550 }; 551 552 #define TCA_DSMARK_MAX (__TCA_DSMARK_MAX - 1) 553 554 /* ATM section */ 555 556 enum { 557 TCA_ATM_UNSPEC, 558 TCA_ATM_FD, /* file/socket descriptor */ 559 TCA_ATM_PTR, /* pointer to descriptor - later */ 560 TCA_ATM_HDR, /* LL header */ 561 TCA_ATM_EXCESS, /* excess traffic class (0 for CLP) */ 562 TCA_ATM_ADDR, /* PVC address (for output only) */ 563 TCA_ATM_STATE, /* VC state (ATM_VS_*; for output only) */ 564 __TCA_ATM_MAX, 565 }; 566 567 #define TCA_ATM_MAX (__TCA_ATM_MAX - 1) 568 569 /* Network emulator */ 570 571 enum { 572 TCA_NETEM_UNSPEC, 573 TCA_NETEM_CORR, 574 TCA_NETEM_DELAY_DIST, 575 TCA_NETEM_REORDER, 576 TCA_NETEM_CORRUPT, 577 TCA_NETEM_LOSS, 578 TCA_NETEM_RATE, 579 TCA_NETEM_ECN, 580 TCA_NETEM_RATE64, 581 TCA_NETEM_PAD, 582 TCA_NETEM_LATENCY64, 583 TCA_NETEM_JITTER64, 584 TCA_NETEM_SLOT, 585 TCA_NETEM_SLOT_DIST, 586 __TCA_NETEM_MAX, 587 }; 588 589 #define TCA_NETEM_MAX (__TCA_NETEM_MAX - 1) 590 591 struct tc_netem_qopt { 592 __u32 latency; /* added delay (us) */ 593 __u32 limit; /* fifo limit (packets) */ 594 __u32 loss; /* random packet loss (0=none ~0=100%) */ 595 __u32 gap; /* re-ordering gap (0 for none) */ 596 __u32 duplicate; /* random packet dup (0=none ~0=100%) */ 597 __u32 jitter; /* random jitter in latency (us) */ 598 }; 599 600 struct tc_netem_corr { 601 __u32 delay_corr; /* delay correlation */ 602 __u32 loss_corr; /* packet loss correlation */ 603 __u32 dup_corr; /* duplicate correlation */ 604 }; 605 606 struct tc_netem_reorder { 607 __u32 probability; 608 __u32 correlation; 609 }; 610 611 struct tc_netem_corrupt { 612 __u32 probability; 613 __u32 correlation; 614 }; 615 616 struct tc_netem_rate { 617 __u32 rate; /* byte/s */ 618 __s32 packet_overhead; 619 __u32 cell_size; 620 __s32 cell_overhead; 621 }; 622 623 struct tc_netem_slot { 624 __s64 min_delay; /* nsec */ 625 __s64 max_delay; 626 __s32 max_packets; 627 __s32 max_bytes; 628 __s64 dist_delay; /* nsec */ 629 __s64 dist_jitter; /* nsec */ 630 }; 631 632 enum { 633 NETEM_LOSS_UNSPEC, 634 NETEM_LOSS_GI, /* General Intuitive - 4 state model */ 635 NETEM_LOSS_GE, /* Gilbert Elliot models */ 636 __NETEM_LOSS_MAX 637 }; 638 #define NETEM_LOSS_MAX (__NETEM_LOSS_MAX - 1) 639 640 /* State transition probabilities for 4 state model */ 641 struct tc_netem_gimodel { 642 __u32 p13; 643 __u32 p31; 644 __u32 p32; 645 __u32 p14; 646 __u32 p23; 647 }; 648 649 /* Gilbert-Elliot models */ 650 struct tc_netem_gemodel { 651 __u32 p; 652 __u32 r; 653 __u32 h; 654 __u32 k1; 655 }; 656 657 #define NETEM_DIST_SCALE 8192 658 #define NETEM_DIST_MAX 16384 659 660 /* DRR */ 661 662 enum { 663 TCA_DRR_UNSPEC, 664 TCA_DRR_QUANTUM, 665 __TCA_DRR_MAX 666 }; 667 668 #define TCA_DRR_MAX (__TCA_DRR_MAX - 1) 669 670 struct tc_drr_stats { 671 __u32 deficit; 672 }; 673 674 /* MQPRIO */ 675 #define TC_QOPT_BITMASK 15 676 #define TC_QOPT_MAX_QUEUE 16 677 678 enum { 679 TC_MQPRIO_HW_OFFLOAD_NONE, /* no offload requested */ 680 TC_MQPRIO_HW_OFFLOAD_TCS, /* offload TCs, no queue counts */ 681 __TC_MQPRIO_HW_OFFLOAD_MAX 682 }; 683 684 #define TC_MQPRIO_HW_OFFLOAD_MAX (__TC_MQPRIO_HW_OFFLOAD_MAX - 1) 685 686 enum { 687 TC_MQPRIO_MODE_DCB, 688 TC_MQPRIO_MODE_CHANNEL, 689 __TC_MQPRIO_MODE_MAX 690 }; 691 692 #define __TC_MQPRIO_MODE_MAX (__TC_MQPRIO_MODE_MAX - 1) 693 694 enum { 695 TC_MQPRIO_SHAPER_DCB, 696 TC_MQPRIO_SHAPER_BW_RATE, /* Add new shapers below */ 697 __TC_MQPRIO_SHAPER_MAX 698 }; 699 700 #define __TC_MQPRIO_SHAPER_MAX (__TC_MQPRIO_SHAPER_MAX - 1) 701 702 struct tc_mqprio_qopt { 703 __u8 num_tc; 704 __u8 prio_tc_map[TC_QOPT_BITMASK + 1]; 705 __u8 hw; 706 __u16 count[TC_QOPT_MAX_QUEUE]; 707 __u16 offset[TC_QOPT_MAX_QUEUE]; 708 }; 709 710 #define TC_MQPRIO_F_MODE 0x1 711 #define TC_MQPRIO_F_SHAPER 0x2 712 #define TC_MQPRIO_F_MIN_RATE 0x4 713 #define TC_MQPRIO_F_MAX_RATE 0x8 714 715 enum { 716 TCA_MQPRIO_UNSPEC, 717 TCA_MQPRIO_MODE, 718 TCA_MQPRIO_SHAPER, 719 TCA_MQPRIO_MIN_RATE64, 720 TCA_MQPRIO_MAX_RATE64, 721 __TCA_MQPRIO_MAX, 722 }; 723 724 #define TCA_MQPRIO_MAX (__TCA_MQPRIO_MAX - 1) 725 726 /* SFB */ 727 728 enum { 729 TCA_SFB_UNSPEC, 730 TCA_SFB_PARMS, 731 __TCA_SFB_MAX, 732 }; 733 734 #define TCA_SFB_MAX (__TCA_SFB_MAX - 1) 735 736 /* 737 * Note: increment, decrement are Q0.16 fixed-point values. 738 */ 739 struct tc_sfb_qopt { 740 __u32 rehash_interval; /* delay between hash move, in ms */ 741 __u32 warmup_time; /* double buffering warmup time in ms (warmup_time < rehash_interval) */ 742 __u32 max; /* max len of qlen_min */ 743 __u32 bin_size; /* maximum queue length per bin */ 744 __u32 increment; /* probability increment, (d1 in Blue) */ 745 __u32 decrement; /* probability decrement, (d2 in Blue) */ 746 __u32 limit; /* max SFB queue length */ 747 __u32 penalty_rate; /* inelastic flows are rate limited to 'rate' pps */ 748 __u32 penalty_burst; 749 }; 750 751 struct tc_sfb_xstats { 752 __u32 earlydrop; 753 __u32 penaltydrop; 754 __u32 bucketdrop; 755 __u32 queuedrop; 756 __u32 childdrop; /* drops in child qdisc */ 757 __u32 marked; 758 __u32 maxqlen; 759 __u32 maxprob; 760 __u32 avgprob; 761 }; 762 763 #define SFB_MAX_PROB 0xFFFF 764 765 /* QFQ */ 766 enum { 767 TCA_QFQ_UNSPEC, 768 TCA_QFQ_WEIGHT, 769 TCA_QFQ_LMAX, 770 __TCA_QFQ_MAX 771 }; 772 773 #define TCA_QFQ_MAX (__TCA_QFQ_MAX - 1) 774 775 struct tc_qfq_stats { 776 __u32 weight; 777 __u32 lmax; 778 }; 779 780 /* CODEL */ 781 782 enum { 783 TCA_CODEL_UNSPEC, 784 TCA_CODEL_TARGET, 785 TCA_CODEL_LIMIT, 786 TCA_CODEL_INTERVAL, 787 TCA_CODEL_ECN, 788 TCA_CODEL_CE_THRESHOLD, 789 __TCA_CODEL_MAX 790 }; 791 792 #define TCA_CODEL_MAX (__TCA_CODEL_MAX - 1) 793 794 struct tc_codel_xstats { 795 __u32 maxpacket; /* largest packet we've seen so far */ 796 __u32 count; /* how many drops we've done since the last time we 797 * entered dropping state 798 */ 799 __u32 lastcount; /* count at entry to dropping state */ 800 __u32 ldelay; /* in-queue delay seen by most recently dequeued packet */ 801 __s32 drop_next; /* time to drop next packet */ 802 __u32 drop_overlimit; /* number of time max qdisc packet limit was hit */ 803 __u32 ecn_mark; /* number of packets we ECN marked instead of dropped */ 804 __u32 dropping; /* are we in dropping state ? */ 805 __u32 ce_mark; /* number of CE marked packets because of ce_threshold */ 806 }; 807 808 /* FQ_CODEL */ 809 810 enum { 811 TCA_FQ_CODEL_UNSPEC, 812 TCA_FQ_CODEL_TARGET, 813 TCA_FQ_CODEL_LIMIT, 814 TCA_FQ_CODEL_INTERVAL, 815 TCA_FQ_CODEL_ECN, 816 TCA_FQ_CODEL_FLOWS, 817 TCA_FQ_CODEL_QUANTUM, 818 TCA_FQ_CODEL_CE_THRESHOLD, 819 TCA_FQ_CODEL_DROP_BATCH_SIZE, 820 TCA_FQ_CODEL_MEMORY_LIMIT, 821 __TCA_FQ_CODEL_MAX 822 }; 823 824 #define TCA_FQ_CODEL_MAX (__TCA_FQ_CODEL_MAX - 1) 825 826 enum { 827 TCA_FQ_CODEL_XSTATS_QDISC, 828 TCA_FQ_CODEL_XSTATS_CLASS, 829 }; 830 831 struct tc_fq_codel_qd_stats { 832 __u32 maxpacket; /* largest packet we've seen so far */ 833 __u32 drop_overlimit; /* number of time max qdisc 834 * packet limit was hit 835 */ 836 __u32 ecn_mark; /* number of packets we ECN marked 837 * instead of being dropped 838 */ 839 __u32 new_flow_count; /* number of time packets 840 * created a 'new flow' 841 */ 842 __u32 new_flows_len; /* count of flows in new list */ 843 __u32 old_flows_len; /* count of flows in old list */ 844 __u32 ce_mark; /* packets above ce_threshold */ 845 __u32 memory_usage; /* in bytes */ 846 __u32 drop_overmemory; 847 }; 848 849 struct tc_fq_codel_cl_stats { 850 __s32 deficit; 851 __u32 ldelay; /* in-queue delay seen by most recently 852 * dequeued packet 853 */ 854 __u32 count; 855 __u32 lastcount; 856 __u32 dropping; 857 __s32 drop_next; 858 }; 859 860 struct tc_fq_codel_xstats { 861 __u32 type; 862 union { 863 struct tc_fq_codel_qd_stats qdisc_stats; 864 struct tc_fq_codel_cl_stats class_stats; 865 }; 866 }; 867 868 /* FQ */ 869 870 enum { 871 TCA_FQ_UNSPEC, 872 873 TCA_FQ_PLIMIT, /* limit of total number of packets in queue */ 874 875 TCA_FQ_FLOW_PLIMIT, /* limit of packets per flow */ 876 877 TCA_FQ_QUANTUM, /* RR quantum */ 878 879 TCA_FQ_INITIAL_QUANTUM, /* RR quantum for new flow */ 880 881 TCA_FQ_RATE_ENABLE, /* enable/disable rate limiting */ 882 883 TCA_FQ_FLOW_DEFAULT_RATE,/* obsolete, do not use */ 884 885 TCA_FQ_FLOW_MAX_RATE, /* per flow max rate */ 886 887 TCA_FQ_BUCKETS_LOG, /* log2(number of buckets) */ 888 889 TCA_FQ_FLOW_REFILL_DELAY, /* flow credit refill delay in usec */ 890 891 TCA_FQ_ORPHAN_MASK, /* mask applied to orphaned skb hashes */ 892 893 TCA_FQ_LOW_RATE_THRESHOLD, /* per packet delay under this rate */ 894 895 TCA_FQ_CE_THRESHOLD, /* DCTCP-like CE-marking threshold */ 896 897 __TCA_FQ_MAX 898 }; 899 900 #define TCA_FQ_MAX (__TCA_FQ_MAX - 1) 901 902 struct tc_fq_qd_stats { 903 __u64 gc_flows; 904 __u64 highprio_packets; 905 __u64 tcp_retrans; 906 __u64 throttled; 907 __u64 flows_plimit; 908 __u64 pkts_too_long; 909 __u64 allocation_errors; 910 __s64 time_next_delayed_flow; 911 __u32 flows; 912 __u32 inactive_flows; 913 __u32 throttled_flows; 914 __u32 unthrottle_latency_ns; 915 __u64 ce_mark; /* packets above ce_threshold */ 916 }; 917 918 /* Heavy-Hitter Filter */ 919 920 enum { 921 TCA_HHF_UNSPEC, 922 TCA_HHF_BACKLOG_LIMIT, 923 TCA_HHF_QUANTUM, 924 TCA_HHF_HH_FLOWS_LIMIT, 925 TCA_HHF_RESET_TIMEOUT, 926 TCA_HHF_ADMIT_BYTES, 927 TCA_HHF_EVICT_TIMEOUT, 928 TCA_HHF_NON_HH_WEIGHT, 929 __TCA_HHF_MAX 930 }; 931 932 #define TCA_HHF_MAX (__TCA_HHF_MAX - 1) 933 934 struct tc_hhf_xstats { 935 __u32 drop_overlimit; /* number of times max qdisc packet limit 936 * was hit 937 */ 938 __u32 hh_overlimit; /* number of times max heavy-hitters was hit */ 939 __u32 hh_tot_count; /* number of captured heavy-hitters so far */ 940 __u32 hh_cur_count; /* number of current heavy-hitters */ 941 }; 942 943 /* PIE */ 944 enum { 945 TCA_PIE_UNSPEC, 946 TCA_PIE_TARGET, 947 TCA_PIE_LIMIT, 948 TCA_PIE_TUPDATE, 949 TCA_PIE_ALPHA, 950 TCA_PIE_BETA, 951 TCA_PIE_ECN, 952 TCA_PIE_BYTEMODE, 953 __TCA_PIE_MAX 954 }; 955 #define TCA_PIE_MAX (__TCA_PIE_MAX - 1) 956 957 struct tc_pie_xstats { 958 __u64 prob; /* current probability */ 959 __u32 delay; /* current delay in ms */ 960 __u32 avg_dq_rate; /* current average dq_rate in bits/pie_time */ 961 __u32 packets_in; /* total number of packets enqueued */ 962 __u32 dropped; /* packets dropped due to pie_action */ 963 __u32 overlimit; /* dropped due to lack of space in queue */ 964 __u32 maxq; /* maximum queue size */ 965 __u32 ecn_mark; /* packets marked with ecn*/ 966 }; 967 968 /* CBS */ 969 struct tc_cbs_qopt { 970 __u8 offload; 971 __u8 _pad[3]; 972 __s32 hicredit; 973 __s32 locredit; 974 __s32 idleslope; 975 __s32 sendslope; 976 }; 977 978 enum { 979 TCA_CBS_UNSPEC, 980 TCA_CBS_PARMS, 981 __TCA_CBS_MAX, 982 }; 983 984 #define TCA_CBS_MAX (__TCA_CBS_MAX - 1) 985 986 987 /* ETF */ 988 struct tc_etf_qopt { 989 __s32 delta; 990 __s32 clockid; 991 __u32 flags; 992 #define TC_ETF_DEADLINE_MODE_ON _BITUL(0) 993 #define TC_ETF_OFFLOAD_ON _BITUL(1) 994 #define TC_ETF_SKIP_SOCK_CHECK _BITUL(2) 995 }; 996 997 enum { 998 TCA_ETF_UNSPEC, 999 TCA_ETF_PARMS, 1000 __TCA_ETF_MAX, 1001 }; 1002 1003 #define TCA_ETF_MAX (__TCA_ETF_MAX - 1) 1004 1005 1006 /* CAKE */ 1007 enum { 1008 TCA_CAKE_UNSPEC, 1009 TCA_CAKE_PAD, 1010 TCA_CAKE_BASE_RATE64, 1011 TCA_CAKE_DIFFSERV_MODE, 1012 TCA_CAKE_ATM, 1013 TCA_CAKE_FLOW_MODE, 1014 TCA_CAKE_OVERHEAD, 1015 TCA_CAKE_RTT, 1016 TCA_CAKE_TARGET, 1017 TCA_CAKE_AUTORATE, 1018 TCA_CAKE_MEMORY, 1019 TCA_CAKE_NAT, 1020 TCA_CAKE_RAW, 1021 TCA_CAKE_WASH, 1022 TCA_CAKE_MPU, 1023 TCA_CAKE_INGRESS, 1024 TCA_CAKE_ACK_FILTER, 1025 TCA_CAKE_SPLIT_GSO, 1026 TCA_CAKE_FWMARK, 1027 __TCA_CAKE_MAX 1028 }; 1029 #define TCA_CAKE_MAX (__TCA_CAKE_MAX - 1) 1030 1031 enum { 1032 __TCA_CAKE_STATS_INVALID, 1033 TCA_CAKE_STATS_PAD, 1034 TCA_CAKE_STATS_CAPACITY_ESTIMATE64, 1035 TCA_CAKE_STATS_MEMORY_LIMIT, 1036 TCA_CAKE_STATS_MEMORY_USED, 1037 TCA_CAKE_STATS_AVG_NETOFF, 1038 TCA_CAKE_STATS_MIN_NETLEN, 1039 TCA_CAKE_STATS_MAX_NETLEN, 1040 TCA_CAKE_STATS_MIN_ADJLEN, 1041 TCA_CAKE_STATS_MAX_ADJLEN, 1042 TCA_CAKE_STATS_TIN_STATS, 1043 TCA_CAKE_STATS_DEFICIT, 1044 TCA_CAKE_STATS_COBALT_COUNT, 1045 TCA_CAKE_STATS_DROPPING, 1046 TCA_CAKE_STATS_DROP_NEXT_US, 1047 TCA_CAKE_STATS_P_DROP, 1048 TCA_CAKE_STATS_BLUE_TIMER_US, 1049 __TCA_CAKE_STATS_MAX 1050 }; 1051 #define TCA_CAKE_STATS_MAX (__TCA_CAKE_STATS_MAX - 1) 1052 1053 enum { 1054 __TCA_CAKE_TIN_STATS_INVALID, 1055 TCA_CAKE_TIN_STATS_PAD, 1056 TCA_CAKE_TIN_STATS_SENT_PACKETS, 1057 TCA_CAKE_TIN_STATS_SENT_BYTES64, 1058 TCA_CAKE_TIN_STATS_DROPPED_PACKETS, 1059 TCA_CAKE_TIN_STATS_DROPPED_BYTES64, 1060 TCA_CAKE_TIN_STATS_ACKS_DROPPED_PACKETS, 1061 TCA_CAKE_TIN_STATS_ACKS_DROPPED_BYTES64, 1062 TCA_CAKE_TIN_STATS_ECN_MARKED_PACKETS, 1063 TCA_CAKE_TIN_STATS_ECN_MARKED_BYTES64, 1064 TCA_CAKE_TIN_STATS_BACKLOG_PACKETS, 1065 TCA_CAKE_TIN_STATS_BACKLOG_BYTES, 1066 TCA_CAKE_TIN_STATS_THRESHOLD_RATE64, 1067 TCA_CAKE_TIN_STATS_TARGET_US, 1068 TCA_CAKE_TIN_STATS_INTERVAL_US, 1069 TCA_CAKE_TIN_STATS_WAY_INDIRECT_HITS, 1070 TCA_CAKE_TIN_STATS_WAY_MISSES, 1071 TCA_CAKE_TIN_STATS_WAY_COLLISIONS, 1072 TCA_CAKE_TIN_STATS_PEAK_DELAY_US, 1073 TCA_CAKE_TIN_STATS_AVG_DELAY_US, 1074 TCA_CAKE_TIN_STATS_BASE_DELAY_US, 1075 TCA_CAKE_TIN_STATS_SPARSE_FLOWS, 1076 TCA_CAKE_TIN_STATS_BULK_FLOWS, 1077 TCA_CAKE_TIN_STATS_UNRESPONSIVE_FLOWS, 1078 TCA_CAKE_TIN_STATS_MAX_SKBLEN, 1079 TCA_CAKE_TIN_STATS_FLOW_QUANTUM, 1080 __TCA_CAKE_TIN_STATS_MAX 1081 }; 1082 #define TCA_CAKE_TIN_STATS_MAX (__TCA_CAKE_TIN_STATS_MAX - 1) 1083 #define TC_CAKE_MAX_TINS (8) 1084 1085 enum { 1086 CAKE_FLOW_NONE = 0, 1087 CAKE_FLOW_SRC_IP, 1088 CAKE_FLOW_DST_IP, 1089 CAKE_FLOW_HOSTS, /* = CAKE_FLOW_SRC_IP | CAKE_FLOW_DST_IP */ 1090 CAKE_FLOW_FLOWS, 1091 CAKE_FLOW_DUAL_SRC, /* = CAKE_FLOW_SRC_IP | CAKE_FLOW_FLOWS */ 1092 CAKE_FLOW_DUAL_DST, /* = CAKE_FLOW_DST_IP | CAKE_FLOW_FLOWS */ 1093 CAKE_FLOW_TRIPLE, /* = CAKE_FLOW_HOSTS | CAKE_FLOW_FLOWS */ 1094 CAKE_FLOW_MAX, 1095 }; 1096 1097 enum { 1098 CAKE_DIFFSERV_DIFFSERV3 = 0, 1099 CAKE_DIFFSERV_DIFFSERV4, 1100 CAKE_DIFFSERV_DIFFSERV8, 1101 CAKE_DIFFSERV_BESTEFFORT, 1102 CAKE_DIFFSERV_PRECEDENCE, 1103 CAKE_DIFFSERV_MAX 1104 }; 1105 1106 enum { 1107 CAKE_ACK_NONE = 0, 1108 CAKE_ACK_FILTER, 1109 CAKE_ACK_AGGRESSIVE, 1110 CAKE_ACK_MAX 1111 }; 1112 1113 enum { 1114 CAKE_ATM_NONE = 0, 1115 CAKE_ATM_ATM, 1116 CAKE_ATM_PTM, 1117 CAKE_ATM_MAX 1118 }; 1119 1120 1121 /* TAPRIO */ 1122 enum { 1123 TC_TAPRIO_CMD_SET_GATES = 0x00, 1124 TC_TAPRIO_CMD_SET_AND_HOLD = 0x01, 1125 TC_TAPRIO_CMD_SET_AND_RELEASE = 0x02, 1126 }; 1127 1128 enum { 1129 TCA_TAPRIO_SCHED_ENTRY_UNSPEC, 1130 TCA_TAPRIO_SCHED_ENTRY_INDEX, /* u32 */ 1131 TCA_TAPRIO_SCHED_ENTRY_CMD, /* u8 */ 1132 TCA_TAPRIO_SCHED_ENTRY_GATE_MASK, /* u32 */ 1133 TCA_TAPRIO_SCHED_ENTRY_INTERVAL, /* u32 */ 1134 __TCA_TAPRIO_SCHED_ENTRY_MAX, 1135 }; 1136 #define TCA_TAPRIO_SCHED_ENTRY_MAX (__TCA_TAPRIO_SCHED_ENTRY_MAX - 1) 1137 1138 /* The format for schedule entry list is: 1139 * [TCA_TAPRIO_SCHED_ENTRY_LIST] 1140 * [TCA_TAPRIO_SCHED_ENTRY] 1141 * [TCA_TAPRIO_SCHED_ENTRY_CMD] 1142 * [TCA_TAPRIO_SCHED_ENTRY_GATES] 1143 * [TCA_TAPRIO_SCHED_ENTRY_INTERVAL] 1144 */ 1145 enum { 1146 TCA_TAPRIO_SCHED_UNSPEC, 1147 TCA_TAPRIO_SCHED_ENTRY, 1148 __TCA_TAPRIO_SCHED_MAX, 1149 }; 1150 1151 #define TCA_TAPRIO_SCHED_MAX (__TCA_TAPRIO_SCHED_MAX - 1) 1152 1153 /* The format for the admin sched (dump only): 1154 * [TCA_TAPRIO_SCHED_ADMIN_SCHED] 1155 * [TCA_TAPRIO_ATTR_SCHED_BASE_TIME] 1156 * [TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST] 1157 * [TCA_TAPRIO_ATTR_SCHED_ENTRY] 1158 * [TCA_TAPRIO_ATTR_SCHED_ENTRY_CMD] 1159 * [TCA_TAPRIO_ATTR_SCHED_ENTRY_GATES] 1160 * [TCA_TAPRIO_ATTR_SCHED_ENTRY_INTERVAL] 1161 */ 1162 1163 #define TCA_TAPRIO_ATTR_FLAG_TXTIME_ASSIST BIT(0) 1164 #define TCA_TAPRIO_ATTR_FLAG_FULL_OFFLOAD BIT(1) 1165 1166 enum { 1167 TCA_TAPRIO_ATTR_UNSPEC, 1168 TCA_TAPRIO_ATTR_PRIOMAP, /* struct tc_mqprio_qopt */ 1169 TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST, /* nested of entry */ 1170 TCA_TAPRIO_ATTR_SCHED_BASE_TIME, /* s64 */ 1171 TCA_TAPRIO_ATTR_SCHED_SINGLE_ENTRY, /* single entry */ 1172 TCA_TAPRIO_ATTR_SCHED_CLOCKID, /* s32 */ 1173 TCA_TAPRIO_PAD, 1174 TCA_TAPRIO_ATTR_ADMIN_SCHED, /* The admin sched, only used in dump */ 1175 TCA_TAPRIO_ATTR_SCHED_CYCLE_TIME, /* s64 */ 1176 TCA_TAPRIO_ATTR_SCHED_CYCLE_TIME_EXTENSION, /* s64 */ 1177 TCA_TAPRIO_ATTR_FLAGS, /* u32 */ 1178 TCA_TAPRIO_ATTR_TXTIME_DELAY, /* u32 */ 1179 __TCA_TAPRIO_ATTR_MAX, 1180 }; 1181 1182 #define TCA_TAPRIO_ATTR_MAX (__TCA_TAPRIO_ATTR_MAX - 1) 1183 1184 #endif 1185