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 33 struct 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 45 struct 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" */ 83 enum 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 90 struct 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 100 101 struct 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 }; 111 112 enum { 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 */ 122 123 struct tc_fifo_qopt { 124 __u32 limit; /* Queue length: bytes for bfifo, packets for pfifo */ 125 }; 126 127 /* PRIO section */ 128 129 #define TCQ_PRIO_BANDS 16 130 #define TCQ_MIN_PRIO_BANDS 2 131 132 struct tc_prio_qopt { 133 int bands; /* Number of bands */ 134 __u8 priomap[TC_PRIO_MAX+1]; /* Map: logical priority -> PRIO band */ 135 }; 136 137 /* MULTIQ section */ 138 139 struct tc_multiq_qopt { 140 __u16 bands; /* Number of bands */ 141 __u16 max_bands; /* Maximum number of queues */ 142 }; 143 144 /* PLUG section */ 145 146 #define TCQ_PLUG_BUFFER 0 147 #define TCQ_PLUG_RELEASE_ONE 1 148 #define TCQ_PLUG_RELEASE_INDEFINITE 2 149 #define TCQ_PLUG_LIMIT 3 150 151 struct tc_plug_qopt { 152 /* TCQ_PLUG_BUFFER: Inset a plug into the queue and 153 * buffer any incoming packets 154 * TCQ_PLUG_RELEASE_ONE: Dequeue packets from queue head 155 * to beginning of the next plug. 156 * TCQ_PLUG_RELEASE_INDEFINITE: Dequeue all packets from queue. 157 * Stop buffering packets until the next TCQ_PLUG_BUFFER 158 * command is received (just act as a pass-thru queue). 159 * TCQ_PLUG_LIMIT: Increase/decrease queue size 160 */ 161 int action; 162 __u32 limit; 163 }; 164 165 /* TBF section */ 166 167 struct tc_tbf_qopt { 168 struct tc_ratespec rate; 169 struct tc_ratespec peakrate; 170 __u32 limit; 171 __u32 buffer; 172 __u32 mtu; 173 }; 174 175 enum { 176 TCA_TBF_UNSPEC, 177 TCA_TBF_PARMS, 178 TCA_TBF_RTAB, 179 TCA_TBF_PTAB, 180 TCA_TBF_RATE64, 181 TCA_TBF_PRATE64, 182 TCA_TBF_BURST, 183 TCA_TBF_PBURST, 184 TCA_TBF_PAD, 185 __TCA_TBF_MAX, 186 }; 187 188 #define TCA_TBF_MAX (__TCA_TBF_MAX - 1) 189 190 191 /* TEQL section */ 192 193 /* TEQL does not require any parameters */ 194 195 /* SFQ section */ 196 197 struct tc_sfq_qopt { 198 unsigned quantum; /* Bytes per round allocated to flow */ 199 int perturb_period; /* Period of hash perturbation */ 200 __u32 limit; /* Maximal packets in queue */ 201 unsigned divisor; /* Hash divisor */ 202 unsigned flows; /* Maximal number of flows */ 203 }; 204 205 struct tc_sfqred_stats { 206 __u32 prob_drop; /* Early drops, below max threshold */ 207 __u32 forced_drop; /* Early drops, after max threshold */ 208 __u32 prob_mark; /* Marked packets, below max threshold */ 209 __u32 forced_mark; /* Marked packets, after max threshold */ 210 __u32 prob_mark_head; /* Marked packets, below max threshold */ 211 __u32 forced_mark_head;/* Marked packets, after max threshold */ 212 }; 213 214 struct tc_sfq_qopt_v1 { 215 struct tc_sfq_qopt v0; 216 unsigned int depth; /* max number of packets per flow */ 217 unsigned int headdrop; 218 /* SFQRED parameters */ 219 __u32 limit; /* HARD maximal flow queue length (bytes) */ 220 __u32 qth_min; /* Min average length threshold (bytes) */ 221 __u32 qth_max; /* Max average length threshold (bytes) */ 222 unsigned char Wlog; /* log(W) */ 223 unsigned char Plog; /* log(P_max/(qth_max-qth_min)) */ 224 unsigned char Scell_log; /* cell size for idle damping */ 225 unsigned char flags; 226 __u32 max_P; /* probability, high resolution */ 227 /* SFQRED stats */ 228 struct tc_sfqred_stats stats; 229 }; 230 231 232 struct tc_sfq_xstats { 233 __s32 allot; 234 }; 235 236 /* RED section */ 237 238 enum { 239 TCA_RED_UNSPEC, 240 TCA_RED_PARMS, 241 TCA_RED_STAB, 242 TCA_RED_MAX_P, 243 __TCA_RED_MAX, 244 }; 245 246 #define TCA_RED_MAX (__TCA_RED_MAX - 1) 247 248 struct tc_red_qopt { 249 __u32 limit; /* HARD maximal queue length (bytes) */ 250 __u32 qth_min; /* Min average length threshold (bytes) */ 251 __u32 qth_max; /* Max average length threshold (bytes) */ 252 unsigned char Wlog; /* log(W) */ 253 unsigned char Plog; /* log(P_max/(qth_max-qth_min)) */ 254 unsigned char Scell_log; /* cell size for idle damping */ 255 unsigned char flags; 256 #define TC_RED_ECN 1 257 #define TC_RED_HARDDROP 2 258 #define TC_RED_ADAPTATIVE 4 259 #define TC_RED_OFFLOADED 8 260 }; 261 262 struct tc_red_xstats { 263 __u32 early; /* Early drops */ 264 __u32 pdrop; /* Drops due to queue limits */ 265 __u32 other; /* Drops due to drop() calls */ 266 __u32 marked; /* Marked packets */ 267 }; 268 269 /* GRED section */ 270 271 #define MAX_DPs 16 272 273 enum { 274 TCA_GRED_UNSPEC, 275 TCA_GRED_PARMS, 276 TCA_GRED_STAB, 277 TCA_GRED_DPS, 278 TCA_GRED_MAX_P, 279 TCA_GRED_LIMIT, 280 __TCA_GRED_MAX, 281 }; 282 283 #define TCA_GRED_MAX (__TCA_GRED_MAX - 1) 284 285 struct tc_gred_qopt { 286 __u32 limit; /* HARD maximal queue length (bytes) */ 287 __u32 qth_min; /* Min average length threshold (bytes) */ 288 __u32 qth_max; /* Max average length threshold (bytes) */ 289 __u32 DP; /* up to 2^32 DPs */ 290 __u32 backlog; 291 __u32 qave; 292 __u32 forced; 293 __u32 early; 294 __u32 other; 295 __u32 pdrop; 296 __u8 Wlog; /* log(W) */ 297 __u8 Plog; /* log(P_max/(qth_max-qth_min)) */ 298 __u8 Scell_log; /* cell size for idle damping */ 299 __u8 prio; /* prio of this VQ */ 300 __u32 packets; 301 __u32 bytesin; 302 }; 303 304 /* gred setup */ 305 struct tc_gred_sopt { 306 __u32 DPs; 307 __u32 def_DP; 308 __u8 grio; 309 __u8 flags; 310 __u16 pad1; 311 }; 312 313 /* CHOKe section */ 314 315 enum { 316 TCA_CHOKE_UNSPEC, 317 TCA_CHOKE_PARMS, 318 TCA_CHOKE_STAB, 319 TCA_CHOKE_MAX_P, 320 __TCA_CHOKE_MAX, 321 }; 322 323 #define TCA_CHOKE_MAX (__TCA_CHOKE_MAX - 1) 324 325 struct tc_choke_qopt { 326 __u32 limit; /* Hard queue length (packets) */ 327 __u32 qth_min; /* Min average threshold (packets) */ 328 __u32 qth_max; /* Max average threshold (packets) */ 329 unsigned char Wlog; /* log(W) */ 330 unsigned char Plog; /* log(P_max/(qth_max-qth_min)) */ 331 unsigned char Scell_log; /* cell size for idle damping */ 332 unsigned char flags; /* see RED flags */ 333 }; 334 335 struct tc_choke_xstats { 336 __u32 early; /* Early drops */ 337 __u32 pdrop; /* Drops due to queue limits */ 338 __u32 other; /* Drops due to drop() calls */ 339 __u32 marked; /* Marked packets */ 340 __u32 matched; /* Drops due to flow match */ 341 }; 342 343 /* HTB section */ 344 #define TC_HTB_NUMPRIO 8 345 #define TC_HTB_MAXDEPTH 8 346 #define TC_HTB_PROTOVER 3 /* the same as HTB and TC's major */ 347 348 struct tc_htb_opt { 349 struct tc_ratespec rate; 350 struct tc_ratespec ceil; 351 __u32 buffer; 352 __u32 cbuffer; 353 __u32 quantum; 354 __u32 level; /* out only */ 355 __u32 prio; 356 }; 357 struct tc_htb_glob { 358 __u32 version; /* to match HTB/TC */ 359 __u32 rate2quantum; /* bps->quantum divisor */ 360 __u32 defcls; /* default class number */ 361 __u32 debug; /* debug flags */ 362 363 /* stats */ 364 __u32 direct_pkts; /* count of non shaped packets */ 365 }; 366 enum { 367 TCA_HTB_UNSPEC, 368 TCA_HTB_PARMS, 369 TCA_HTB_INIT, 370 TCA_HTB_CTAB, 371 TCA_HTB_RTAB, 372 TCA_HTB_DIRECT_QLEN, 373 TCA_HTB_RATE64, 374 TCA_HTB_CEIL64, 375 TCA_HTB_PAD, 376 __TCA_HTB_MAX, 377 }; 378 379 #define TCA_HTB_MAX (__TCA_HTB_MAX - 1) 380 381 struct tc_htb_xstats { 382 __u32 lends; 383 __u32 borrows; 384 __u32 giants; /* too big packets (rate will not be accurate) */ 385 __u32 tokens; 386 __u32 ctokens; 387 }; 388 389 /* HFSC section */ 390 391 struct tc_hfsc_qopt { 392 __u16 defcls; /* default class */ 393 }; 394 395 struct tc_service_curve { 396 __u32 m1; /* slope of the first segment in bps */ 397 __u32 d; /* x-projection of the first segment in us */ 398 __u32 m2; /* slope of the second segment in bps */ 399 }; 400 401 struct tc_hfsc_stats { 402 __u64 work; /* total work done */ 403 __u64 rtwork; /* work done by real-time criteria */ 404 __u32 period; /* current period */ 405 __u32 level; /* class level in hierarchy */ 406 }; 407 408 enum { 409 TCA_HFSC_UNSPEC, 410 TCA_HFSC_RSC, 411 TCA_HFSC_FSC, 412 TCA_HFSC_USC, 413 __TCA_HFSC_MAX, 414 }; 415 416 #define TCA_HFSC_MAX (__TCA_HFSC_MAX - 1) 417 418 419 /* CBQ section */ 420 421 #define TC_CBQ_MAXPRIO 8 422 #define TC_CBQ_MAXLEVEL 8 423 #define TC_CBQ_DEF_EWMA 5 424 425 struct tc_cbq_lssopt { 426 unsigned char change; 427 unsigned char flags; 428 #define TCF_CBQ_LSS_BOUNDED 1 429 #define TCF_CBQ_LSS_ISOLATED 2 430 unsigned char ewma_log; 431 unsigned char level; 432 #define TCF_CBQ_LSS_FLAGS 1 433 #define TCF_CBQ_LSS_EWMA 2 434 #define TCF_CBQ_LSS_MAXIDLE 4 435 #define TCF_CBQ_LSS_MINIDLE 8 436 #define TCF_CBQ_LSS_OFFTIME 0x10 437 #define TCF_CBQ_LSS_AVPKT 0x20 438 __u32 maxidle; 439 __u32 minidle; 440 __u32 offtime; 441 __u32 avpkt; 442 }; 443 444 struct tc_cbq_wrropt { 445 unsigned char flags; 446 unsigned char priority; 447 unsigned char cpriority; 448 unsigned char __reserved; 449 __u32 allot; 450 __u32 weight; 451 }; 452 453 struct tc_cbq_ovl { 454 unsigned char strategy; 455 #define TC_CBQ_OVL_CLASSIC 0 456 #define TC_CBQ_OVL_DELAY 1 457 #define TC_CBQ_OVL_LOWPRIO 2 458 #define TC_CBQ_OVL_DROP 3 459 #define TC_CBQ_OVL_RCLASSIC 4 460 unsigned char priority2; 461 __u16 pad; 462 __u32 penalty; 463 }; 464 465 struct tc_cbq_police { 466 unsigned char police; 467 unsigned char __res1; 468 unsigned short __res2; 469 }; 470 471 struct tc_cbq_fopt { 472 __u32 split; 473 __u32 defmap; 474 __u32 defchange; 475 }; 476 477 struct tc_cbq_xstats { 478 __u32 borrows; 479 __u32 overactions; 480 __s32 avgidle; 481 __s32 undertime; 482 }; 483 484 enum { 485 TCA_CBQ_UNSPEC, 486 TCA_CBQ_LSSOPT, 487 TCA_CBQ_WRROPT, 488 TCA_CBQ_FOPT, 489 TCA_CBQ_OVL_STRATEGY, 490 TCA_CBQ_RATE, 491 TCA_CBQ_RTAB, 492 TCA_CBQ_POLICE, 493 __TCA_CBQ_MAX, 494 }; 495 496 #define TCA_CBQ_MAX (__TCA_CBQ_MAX - 1) 497 498 /* dsmark section */ 499 500 enum { 501 TCA_DSMARK_UNSPEC, 502 TCA_DSMARK_INDICES, 503 TCA_DSMARK_DEFAULT_INDEX, 504 TCA_DSMARK_SET_TC_INDEX, 505 TCA_DSMARK_MASK, 506 TCA_DSMARK_VALUE, 507 __TCA_DSMARK_MAX, 508 }; 509 510 #define TCA_DSMARK_MAX (__TCA_DSMARK_MAX - 1) 511 512 /* ATM section */ 513 514 enum { 515 TCA_ATM_UNSPEC, 516 TCA_ATM_FD, /* file/socket descriptor */ 517 TCA_ATM_PTR, /* pointer to descriptor - later */ 518 TCA_ATM_HDR, /* LL header */ 519 TCA_ATM_EXCESS, /* excess traffic class (0 for CLP) */ 520 TCA_ATM_ADDR, /* PVC address (for output only) */ 521 TCA_ATM_STATE, /* VC state (ATM_VS_*; for output only) */ 522 __TCA_ATM_MAX, 523 }; 524 525 #define TCA_ATM_MAX (__TCA_ATM_MAX - 1) 526 527 /* Network emulator */ 528 529 enum { 530 TCA_NETEM_UNSPEC, 531 TCA_NETEM_CORR, 532 TCA_NETEM_DELAY_DIST, 533 TCA_NETEM_REORDER, 534 TCA_NETEM_CORRUPT, 535 TCA_NETEM_LOSS, 536 TCA_NETEM_RATE, 537 TCA_NETEM_ECN, 538 TCA_NETEM_RATE64, 539 TCA_NETEM_PAD, 540 __TCA_NETEM_MAX, 541 }; 542 543 #define TCA_NETEM_MAX (__TCA_NETEM_MAX - 1) 544 545 struct tc_netem_qopt { 546 __u32 latency; /* added delay (us) */ 547 __u32 limit; /* fifo limit (packets) */ 548 __u32 loss; /* random packet loss (0=none ~0=100%) */ 549 __u32 gap; /* re-ordering gap (0 for none) */ 550 __u32 duplicate; /* random packet dup (0=none ~0=100%) */ 551 __u32 jitter; /* random jitter in latency (us) */ 552 }; 553 554 struct tc_netem_corr { 555 __u32 delay_corr; /* delay correlation */ 556 __u32 loss_corr; /* packet loss correlation */ 557 __u32 dup_corr; /* duplicate correlation */ 558 }; 559 560 struct tc_netem_reorder { 561 __u32 probability; 562 __u32 correlation; 563 }; 564 565 struct tc_netem_corrupt { 566 __u32 probability; 567 __u32 correlation; 568 }; 569 570 struct tc_netem_rate { 571 __u32 rate; /* byte/s */ 572 __s32 packet_overhead; 573 __u32 cell_size; 574 __s32 cell_overhead; 575 }; 576 577 enum { 578 NETEM_LOSS_UNSPEC, 579 NETEM_LOSS_GI, /* General Intuitive - 4 state model */ 580 NETEM_LOSS_GE, /* Gilbert Elliot models */ 581 __NETEM_LOSS_MAX 582 }; 583 #define NETEM_LOSS_MAX (__NETEM_LOSS_MAX - 1) 584 585 /* State transition probabilities for 4 state model */ 586 struct tc_netem_gimodel { 587 __u32 p13; 588 __u32 p31; 589 __u32 p32; 590 __u32 p14; 591 __u32 p23; 592 }; 593 594 /* Gilbert-Elliot models */ 595 struct tc_netem_gemodel { 596 __u32 p; 597 __u32 r; 598 __u32 h; 599 __u32 k1; 600 }; 601 602 #define NETEM_DIST_SCALE 8192 603 #define NETEM_DIST_MAX 16384 604 605 /* DRR */ 606 607 enum { 608 TCA_DRR_UNSPEC, 609 TCA_DRR_QUANTUM, 610 __TCA_DRR_MAX 611 }; 612 613 #define TCA_DRR_MAX (__TCA_DRR_MAX - 1) 614 615 struct tc_drr_stats { 616 __u32 deficit; 617 }; 618 619 /* MQPRIO */ 620 #define TC_QOPT_BITMASK 15 621 #define TC_QOPT_MAX_QUEUE 16 622 623 enum { 624 TC_MQPRIO_HW_OFFLOAD_NONE, /* no offload requested */ 625 TC_MQPRIO_HW_OFFLOAD_TCS, /* offload TCs, no queue counts */ 626 __TC_MQPRIO_HW_OFFLOAD_MAX 627 }; 628 629 #define TC_MQPRIO_HW_OFFLOAD_MAX (__TC_MQPRIO_HW_OFFLOAD_MAX - 1) 630 631 enum { 632 TC_MQPRIO_MODE_DCB, 633 TC_MQPRIO_MODE_CHANNEL, 634 __TC_MQPRIO_MODE_MAX 635 }; 636 637 #define __TC_MQPRIO_MODE_MAX (__TC_MQPRIO_MODE_MAX - 1) 638 639 enum { 640 TC_MQPRIO_SHAPER_DCB, 641 TC_MQPRIO_SHAPER_BW_RATE, /* Add new shapers below */ 642 __TC_MQPRIO_SHAPER_MAX 643 }; 644 645 #define __TC_MQPRIO_SHAPER_MAX (__TC_MQPRIO_SHAPER_MAX - 1) 646 647 struct tc_mqprio_qopt { 648 __u8 num_tc; 649 __u8 prio_tc_map[TC_QOPT_BITMASK + 1]; 650 __u8 hw; 651 __u16 count[TC_QOPT_MAX_QUEUE]; 652 __u16 offset[TC_QOPT_MAX_QUEUE]; 653 }; 654 655 #define TC_MQPRIO_F_MODE 0x1 656 #define TC_MQPRIO_F_SHAPER 0x2 657 #define TC_MQPRIO_F_MIN_RATE 0x4 658 #define TC_MQPRIO_F_MAX_RATE 0x8 659 660 enum { 661 TCA_MQPRIO_UNSPEC, 662 TCA_MQPRIO_MODE, 663 TCA_MQPRIO_SHAPER, 664 TCA_MQPRIO_MIN_RATE64, 665 TCA_MQPRIO_MAX_RATE64, 666 __TCA_MQPRIO_MAX, 667 }; 668 669 #define TCA_MQPRIO_MAX (__TCA_MQPRIO_MAX - 1) 670 671 /* SFB */ 672 673 enum { 674 TCA_SFB_UNSPEC, 675 TCA_SFB_PARMS, 676 __TCA_SFB_MAX, 677 }; 678 679 #define TCA_SFB_MAX (__TCA_SFB_MAX - 1) 680 681 /* 682 * Note: increment, decrement are Q0.16 fixed-point values. 683 */ 684 struct tc_sfb_qopt { 685 __u32 rehash_interval; /* delay between hash move, in ms */ 686 __u32 warmup_time; /* double buffering warmup time in ms (warmup_time < rehash_interval) */ 687 __u32 max; /* max len of qlen_min */ 688 __u32 bin_size; /* maximum queue length per bin */ 689 __u32 increment; /* probability increment, (d1 in Blue) */ 690 __u32 decrement; /* probability decrement, (d2 in Blue) */ 691 __u32 limit; /* max SFB queue length */ 692 __u32 penalty_rate; /* inelastic flows are rate limited to 'rate' pps */ 693 __u32 penalty_burst; 694 }; 695 696 struct tc_sfb_xstats { 697 __u32 earlydrop; 698 __u32 penaltydrop; 699 __u32 bucketdrop; 700 __u32 queuedrop; 701 __u32 childdrop; /* drops in child qdisc */ 702 __u32 marked; 703 __u32 maxqlen; 704 __u32 maxprob; 705 __u32 avgprob; 706 }; 707 708 #define SFB_MAX_PROB 0xFFFF 709 710 /* QFQ */ 711 enum { 712 TCA_QFQ_UNSPEC, 713 TCA_QFQ_WEIGHT, 714 TCA_QFQ_LMAX, 715 __TCA_QFQ_MAX 716 }; 717 718 #define TCA_QFQ_MAX (__TCA_QFQ_MAX - 1) 719 720 struct tc_qfq_stats { 721 __u32 weight; 722 __u32 lmax; 723 }; 724 725 /* CODEL */ 726 727 enum { 728 TCA_CODEL_UNSPEC, 729 TCA_CODEL_TARGET, 730 TCA_CODEL_LIMIT, 731 TCA_CODEL_INTERVAL, 732 TCA_CODEL_ECN, 733 TCA_CODEL_CE_THRESHOLD, 734 __TCA_CODEL_MAX 735 }; 736 737 #define TCA_CODEL_MAX (__TCA_CODEL_MAX - 1) 738 739 struct tc_codel_xstats { 740 __u32 maxpacket; /* largest packet we've seen so far */ 741 __u32 count; /* how many drops we've done since the last time we 742 * entered dropping state 743 */ 744 __u32 lastcount; /* count at entry to dropping state */ 745 __u32 ldelay; /* in-queue delay seen by most recently dequeued packet */ 746 __s32 drop_next; /* time to drop next packet */ 747 __u32 drop_overlimit; /* number of time max qdisc packet limit was hit */ 748 __u32 ecn_mark; /* number of packets we ECN marked instead of dropped */ 749 __u32 dropping; /* are we in dropping state ? */ 750 __u32 ce_mark; /* number of CE marked packets because of ce_threshold */ 751 }; 752 753 /* FQ_CODEL */ 754 755 enum { 756 TCA_FQ_CODEL_UNSPEC, 757 TCA_FQ_CODEL_TARGET, 758 TCA_FQ_CODEL_LIMIT, 759 TCA_FQ_CODEL_INTERVAL, 760 TCA_FQ_CODEL_ECN, 761 TCA_FQ_CODEL_FLOWS, 762 TCA_FQ_CODEL_QUANTUM, 763 TCA_FQ_CODEL_CE_THRESHOLD, 764 TCA_FQ_CODEL_DROP_BATCH_SIZE, 765 TCA_FQ_CODEL_MEMORY_LIMIT, 766 __TCA_FQ_CODEL_MAX 767 }; 768 769 #define TCA_FQ_CODEL_MAX (__TCA_FQ_CODEL_MAX - 1) 770 771 enum { 772 TCA_FQ_CODEL_XSTATS_QDISC, 773 TCA_FQ_CODEL_XSTATS_CLASS, 774 }; 775 776 struct tc_fq_codel_qd_stats { 777 __u32 maxpacket; /* largest packet we've seen so far */ 778 __u32 drop_overlimit; /* number of time max qdisc 779 * packet limit was hit 780 */ 781 __u32 ecn_mark; /* number of packets we ECN marked 782 * instead of being dropped 783 */ 784 __u32 new_flow_count; /* number of time packets 785 * created a 'new flow' 786 */ 787 __u32 new_flows_len; /* count of flows in new list */ 788 __u32 old_flows_len; /* count of flows in old list */ 789 __u32 ce_mark; /* packets above ce_threshold */ 790 __u32 memory_usage; /* in bytes */ 791 __u32 drop_overmemory; 792 }; 793 794 struct tc_fq_codel_cl_stats { 795 __s32 deficit; 796 __u32 ldelay; /* in-queue delay seen by most recently 797 * dequeued packet 798 */ 799 __u32 count; 800 __u32 lastcount; 801 __u32 dropping; 802 __s32 drop_next; 803 }; 804 805 struct tc_fq_codel_xstats { 806 __u32 type; 807 union { 808 struct tc_fq_codel_qd_stats qdisc_stats; 809 struct tc_fq_codel_cl_stats class_stats; 810 }; 811 }; 812 813 /* FQ */ 814 815 enum { 816 TCA_FQ_UNSPEC, 817 818 TCA_FQ_PLIMIT, /* limit of total number of packets in queue */ 819 820 TCA_FQ_FLOW_PLIMIT, /* limit of packets per flow */ 821 822 TCA_FQ_QUANTUM, /* RR quantum */ 823 824 TCA_FQ_INITIAL_QUANTUM, /* RR quantum for new flow */ 825 826 TCA_FQ_RATE_ENABLE, /* enable/disable rate limiting */ 827 828 TCA_FQ_FLOW_DEFAULT_RATE,/* obsolete, do not use */ 829 830 TCA_FQ_FLOW_MAX_RATE, /* per flow max rate */ 831 832 TCA_FQ_BUCKETS_LOG, /* log2(number of buckets) */ 833 834 TCA_FQ_FLOW_REFILL_DELAY, /* flow credit refill delay in usec */ 835 836 TCA_FQ_ORPHAN_MASK, /* mask applied to orphaned skb hashes */ 837 838 TCA_FQ_LOW_RATE_THRESHOLD, /* per packet delay under this rate */ 839 840 __TCA_FQ_MAX 841 }; 842 843 #define TCA_FQ_MAX (__TCA_FQ_MAX - 1) 844 845 struct tc_fq_qd_stats { 846 __u64 gc_flows; 847 __u64 highprio_packets; 848 __u64 tcp_retrans; 849 __u64 throttled; 850 __u64 flows_plimit; 851 __u64 pkts_too_long; 852 __u64 allocation_errors; 853 __s64 time_next_delayed_flow; 854 __u32 flows; 855 __u32 inactive_flows; 856 __u32 throttled_flows; 857 __u32 unthrottle_latency_ns; 858 }; 859 860 /* Heavy-Hitter Filter */ 861 862 enum { 863 TCA_HHF_UNSPEC, 864 TCA_HHF_BACKLOG_LIMIT, 865 TCA_HHF_QUANTUM, 866 TCA_HHF_HH_FLOWS_LIMIT, 867 TCA_HHF_RESET_TIMEOUT, 868 TCA_HHF_ADMIT_BYTES, 869 TCA_HHF_EVICT_TIMEOUT, 870 TCA_HHF_NON_HH_WEIGHT, 871 __TCA_HHF_MAX 872 }; 873 874 #define TCA_HHF_MAX (__TCA_HHF_MAX - 1) 875 876 struct tc_hhf_xstats { 877 __u32 drop_overlimit; /* number of times max qdisc packet limit 878 * was hit 879 */ 880 __u32 hh_overlimit; /* number of times max heavy-hitters was hit */ 881 __u32 hh_tot_count; /* number of captured heavy-hitters so far */ 882 __u32 hh_cur_count; /* number of current heavy-hitters */ 883 }; 884 885 /* PIE */ 886 enum { 887 TCA_PIE_UNSPEC, 888 TCA_PIE_TARGET, 889 TCA_PIE_LIMIT, 890 TCA_PIE_TUPDATE, 891 TCA_PIE_ALPHA, 892 TCA_PIE_BETA, 893 TCA_PIE_ECN, 894 TCA_PIE_BYTEMODE, 895 __TCA_PIE_MAX 896 }; 897 #define TCA_PIE_MAX (__TCA_PIE_MAX - 1) 898 899 struct tc_pie_xstats { 900 __u32 prob; /* current probability */ 901 __u32 delay; /* current delay in ms */ 902 __u32 avg_dq_rate; /* current average dq_rate in bits/pie_time */ 903 __u32 packets_in; /* total number of packets enqueued */ 904 __u32 dropped; /* packets dropped due to pie_action */ 905 __u32 overlimit; /* dropped due to lack of space in queue */ 906 __u32 maxq; /* maximum queue size */ 907 __u32 ecn_mark; /* packets marked with ecn*/ 908 }; 909 910 /* CBS */ 911 struct tc_cbs_qopt { 912 __u8 offload; 913 __u8 _pad[3]; 914 __s32 hicredit; 915 __s32 locredit; 916 __s32 idleslope; 917 __s32 sendslope; 918 }; 919 920 enum { 921 TCA_CBS_UNSPEC, 922 TCA_CBS_PARMS, 923 __TCA_CBS_MAX, 924 }; 925 926 #define TCA_CBS_MAX (__TCA_CBS_MAX - 1) 927 928 #endif 929