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