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 }; 260 261 struct tc_red_xstats { 262 __u32 early; /* Early drops */ 263 __u32 pdrop; /* Drops due to queue limits */ 264 __u32 other; /* Drops due to drop() calls */ 265 __u32 marked; /* Marked packets */ 266 }; 267 268 /* GRED section */ 269 270 #define MAX_DPs 16 271 272 enum { 273 TCA_GRED_UNSPEC, 274 TCA_GRED_PARMS, 275 TCA_GRED_STAB, 276 TCA_GRED_DPS, 277 TCA_GRED_MAX_P, 278 TCA_GRED_LIMIT, 279 __TCA_GRED_MAX, 280 }; 281 282 #define TCA_GRED_MAX (__TCA_GRED_MAX - 1) 283 284 struct tc_gred_qopt { 285 __u32 limit; /* HARD maximal queue length (bytes) */ 286 __u32 qth_min; /* Min average length threshold (bytes) */ 287 __u32 qth_max; /* Max average length threshold (bytes) */ 288 __u32 DP; /* up to 2^32 DPs */ 289 __u32 backlog; 290 __u32 qave; 291 __u32 forced; 292 __u32 early; 293 __u32 other; 294 __u32 pdrop; 295 __u8 Wlog; /* log(W) */ 296 __u8 Plog; /* log(P_max/(qth_max-qth_min)) */ 297 __u8 Scell_log; /* cell size for idle damping */ 298 __u8 prio; /* prio of this VQ */ 299 __u32 packets; 300 __u32 bytesin; 301 }; 302 303 /* gred setup */ 304 struct tc_gred_sopt { 305 __u32 DPs; 306 __u32 def_DP; 307 __u8 grio; 308 __u8 flags; 309 __u16 pad1; 310 }; 311 312 /* CHOKe section */ 313 314 enum { 315 TCA_CHOKE_UNSPEC, 316 TCA_CHOKE_PARMS, 317 TCA_CHOKE_STAB, 318 TCA_CHOKE_MAX_P, 319 __TCA_CHOKE_MAX, 320 }; 321 322 #define TCA_CHOKE_MAX (__TCA_CHOKE_MAX - 1) 323 324 struct tc_choke_qopt { 325 __u32 limit; /* Hard queue length (packets) */ 326 __u32 qth_min; /* Min average threshold (packets) */ 327 __u32 qth_max; /* Max average threshold (packets) */ 328 unsigned char Wlog; /* log(W) */ 329 unsigned char Plog; /* log(P_max/(qth_max-qth_min)) */ 330 unsigned char Scell_log; /* cell size for idle damping */ 331 unsigned char flags; /* see RED flags */ 332 }; 333 334 struct tc_choke_xstats { 335 __u32 early; /* Early drops */ 336 __u32 pdrop; /* Drops due to queue limits */ 337 __u32 other; /* Drops due to drop() calls */ 338 __u32 marked; /* Marked packets */ 339 __u32 matched; /* Drops due to flow match */ 340 }; 341 342 /* HTB section */ 343 #define TC_HTB_NUMPRIO 8 344 #define TC_HTB_MAXDEPTH 8 345 #define TC_HTB_PROTOVER 3 /* the same as HTB and TC's major */ 346 347 struct tc_htb_opt { 348 struct tc_ratespec rate; 349 struct tc_ratespec ceil; 350 __u32 buffer; 351 __u32 cbuffer; 352 __u32 quantum; 353 __u32 level; /* out only */ 354 __u32 prio; 355 }; 356 struct tc_htb_glob { 357 __u32 version; /* to match HTB/TC */ 358 __u32 rate2quantum; /* bps->quantum divisor */ 359 __u32 defcls; /* default class number */ 360 __u32 debug; /* debug flags */ 361 362 /* stats */ 363 __u32 direct_pkts; /* count of non shaped packets */ 364 }; 365 enum { 366 TCA_HTB_UNSPEC, 367 TCA_HTB_PARMS, 368 TCA_HTB_INIT, 369 TCA_HTB_CTAB, 370 TCA_HTB_RTAB, 371 TCA_HTB_DIRECT_QLEN, 372 TCA_HTB_RATE64, 373 TCA_HTB_CEIL64, 374 TCA_HTB_PAD, 375 __TCA_HTB_MAX, 376 }; 377 378 #define TCA_HTB_MAX (__TCA_HTB_MAX - 1) 379 380 struct tc_htb_xstats { 381 __u32 lends; 382 __u32 borrows; 383 __u32 giants; /* too big packets (rate will not be accurate) */ 384 __u32 tokens; 385 __u32 ctokens; 386 }; 387 388 /* HFSC section */ 389 390 struct tc_hfsc_qopt { 391 __u16 defcls; /* default class */ 392 }; 393 394 struct tc_service_curve { 395 __u32 m1; /* slope of the first segment in bps */ 396 __u32 d; /* x-projection of the first segment in us */ 397 __u32 m2; /* slope of the second segment in bps */ 398 }; 399 400 struct tc_hfsc_stats { 401 __u64 work; /* total work done */ 402 __u64 rtwork; /* work done by real-time criteria */ 403 __u32 period; /* current period */ 404 __u32 level; /* class level in hierarchy */ 405 }; 406 407 enum { 408 TCA_HFSC_UNSPEC, 409 TCA_HFSC_RSC, 410 TCA_HFSC_FSC, 411 TCA_HFSC_USC, 412 __TCA_HFSC_MAX, 413 }; 414 415 #define TCA_HFSC_MAX (__TCA_HFSC_MAX - 1) 416 417 418 /* CBQ section */ 419 420 #define TC_CBQ_MAXPRIO 8 421 #define TC_CBQ_MAXLEVEL 8 422 #define TC_CBQ_DEF_EWMA 5 423 424 struct tc_cbq_lssopt { 425 unsigned char change; 426 unsigned char flags; 427 #define TCF_CBQ_LSS_BOUNDED 1 428 #define TCF_CBQ_LSS_ISOLATED 2 429 unsigned char ewma_log; 430 unsigned char level; 431 #define TCF_CBQ_LSS_FLAGS 1 432 #define TCF_CBQ_LSS_EWMA 2 433 #define TCF_CBQ_LSS_MAXIDLE 4 434 #define TCF_CBQ_LSS_MINIDLE 8 435 #define TCF_CBQ_LSS_OFFTIME 0x10 436 #define TCF_CBQ_LSS_AVPKT 0x20 437 __u32 maxidle; 438 __u32 minidle; 439 __u32 offtime; 440 __u32 avpkt; 441 }; 442 443 struct tc_cbq_wrropt { 444 unsigned char flags; 445 unsigned char priority; 446 unsigned char cpriority; 447 unsigned char __reserved; 448 __u32 allot; 449 __u32 weight; 450 }; 451 452 struct tc_cbq_ovl { 453 unsigned char strategy; 454 #define TC_CBQ_OVL_CLASSIC 0 455 #define TC_CBQ_OVL_DELAY 1 456 #define TC_CBQ_OVL_LOWPRIO 2 457 #define TC_CBQ_OVL_DROP 3 458 #define TC_CBQ_OVL_RCLASSIC 4 459 unsigned char priority2; 460 __u16 pad; 461 __u32 penalty; 462 }; 463 464 struct tc_cbq_police { 465 unsigned char police; 466 unsigned char __res1; 467 unsigned short __res2; 468 }; 469 470 struct tc_cbq_fopt { 471 __u32 split; 472 __u32 defmap; 473 __u32 defchange; 474 }; 475 476 struct tc_cbq_xstats { 477 __u32 borrows; 478 __u32 overactions; 479 __s32 avgidle; 480 __s32 undertime; 481 }; 482 483 enum { 484 TCA_CBQ_UNSPEC, 485 TCA_CBQ_LSSOPT, 486 TCA_CBQ_WRROPT, 487 TCA_CBQ_FOPT, 488 TCA_CBQ_OVL_STRATEGY, 489 TCA_CBQ_RATE, 490 TCA_CBQ_RTAB, 491 TCA_CBQ_POLICE, 492 __TCA_CBQ_MAX, 493 }; 494 495 #define TCA_CBQ_MAX (__TCA_CBQ_MAX - 1) 496 497 /* dsmark section */ 498 499 enum { 500 TCA_DSMARK_UNSPEC, 501 TCA_DSMARK_INDICES, 502 TCA_DSMARK_DEFAULT_INDEX, 503 TCA_DSMARK_SET_TC_INDEX, 504 TCA_DSMARK_MASK, 505 TCA_DSMARK_VALUE, 506 __TCA_DSMARK_MAX, 507 }; 508 509 #define TCA_DSMARK_MAX (__TCA_DSMARK_MAX - 1) 510 511 /* ATM section */ 512 513 enum { 514 TCA_ATM_UNSPEC, 515 TCA_ATM_FD, /* file/socket descriptor */ 516 TCA_ATM_PTR, /* pointer to descriptor - later */ 517 TCA_ATM_HDR, /* LL header */ 518 TCA_ATM_EXCESS, /* excess traffic class (0 for CLP) */ 519 TCA_ATM_ADDR, /* PVC address (for output only) */ 520 TCA_ATM_STATE, /* VC state (ATM_VS_*; for output only) */ 521 __TCA_ATM_MAX, 522 }; 523 524 #define TCA_ATM_MAX (__TCA_ATM_MAX - 1) 525 526 /* Network emulator */ 527 528 enum { 529 TCA_NETEM_UNSPEC, 530 TCA_NETEM_CORR, 531 TCA_NETEM_DELAY_DIST, 532 TCA_NETEM_REORDER, 533 TCA_NETEM_CORRUPT, 534 TCA_NETEM_LOSS, 535 TCA_NETEM_RATE, 536 TCA_NETEM_ECN, 537 TCA_NETEM_RATE64, 538 TCA_NETEM_PAD, 539 TCA_NETEM_LATENCY64, 540 TCA_NETEM_JITTER64, 541 TCA_NETEM_SLOT, 542 __TCA_NETEM_MAX, 543 }; 544 545 #define TCA_NETEM_MAX (__TCA_NETEM_MAX - 1) 546 547 struct tc_netem_qopt { 548 __u32 latency; /* added delay (us) */ 549 __u32 limit; /* fifo limit (packets) */ 550 __u32 loss; /* random packet loss (0=none ~0=100%) */ 551 __u32 gap; /* re-ordering gap (0 for none) */ 552 __u32 duplicate; /* random packet dup (0=none ~0=100%) */ 553 __u32 jitter; /* random jitter in latency (us) */ 554 }; 555 556 struct tc_netem_corr { 557 __u32 delay_corr; /* delay correlation */ 558 __u32 loss_corr; /* packet loss correlation */ 559 __u32 dup_corr; /* duplicate correlation */ 560 }; 561 562 struct tc_netem_reorder { 563 __u32 probability; 564 __u32 correlation; 565 }; 566 567 struct tc_netem_corrupt { 568 __u32 probability; 569 __u32 correlation; 570 }; 571 572 struct tc_netem_rate { 573 __u32 rate; /* byte/s */ 574 __s32 packet_overhead; 575 __u32 cell_size; 576 __s32 cell_overhead; 577 }; 578 579 struct tc_netem_slot { 580 __s64 min_delay; /* nsec */ 581 __s64 max_delay; 582 __s32 max_packets; 583 __s32 max_bytes; 584 }; 585 586 enum { 587 NETEM_LOSS_UNSPEC, 588 NETEM_LOSS_GI, /* General Intuitive - 4 state model */ 589 NETEM_LOSS_GE, /* Gilbert Elliot models */ 590 __NETEM_LOSS_MAX 591 }; 592 #define NETEM_LOSS_MAX (__NETEM_LOSS_MAX - 1) 593 594 /* State transition probabilities for 4 state model */ 595 struct tc_netem_gimodel { 596 __u32 p13; 597 __u32 p31; 598 __u32 p32; 599 __u32 p14; 600 __u32 p23; 601 }; 602 603 /* Gilbert-Elliot models */ 604 struct tc_netem_gemodel { 605 __u32 p; 606 __u32 r; 607 __u32 h; 608 __u32 k1; 609 }; 610 611 #define NETEM_DIST_SCALE 8192 612 #define NETEM_DIST_MAX 16384 613 614 /* DRR */ 615 616 enum { 617 TCA_DRR_UNSPEC, 618 TCA_DRR_QUANTUM, 619 __TCA_DRR_MAX 620 }; 621 622 #define TCA_DRR_MAX (__TCA_DRR_MAX - 1) 623 624 struct tc_drr_stats { 625 __u32 deficit; 626 }; 627 628 /* MQPRIO */ 629 #define TC_QOPT_BITMASK 15 630 #define TC_QOPT_MAX_QUEUE 16 631 632 enum { 633 TC_MQPRIO_HW_OFFLOAD_NONE, /* no offload requested */ 634 TC_MQPRIO_HW_OFFLOAD_TCS, /* offload TCs, no queue counts */ 635 __TC_MQPRIO_HW_OFFLOAD_MAX 636 }; 637 638 #define TC_MQPRIO_HW_OFFLOAD_MAX (__TC_MQPRIO_HW_OFFLOAD_MAX - 1) 639 640 enum { 641 TC_MQPRIO_MODE_DCB, 642 TC_MQPRIO_MODE_CHANNEL, 643 __TC_MQPRIO_MODE_MAX 644 }; 645 646 #define __TC_MQPRIO_MODE_MAX (__TC_MQPRIO_MODE_MAX - 1) 647 648 enum { 649 TC_MQPRIO_SHAPER_DCB, 650 TC_MQPRIO_SHAPER_BW_RATE, /* Add new shapers below */ 651 __TC_MQPRIO_SHAPER_MAX 652 }; 653 654 #define __TC_MQPRIO_SHAPER_MAX (__TC_MQPRIO_SHAPER_MAX - 1) 655 656 struct tc_mqprio_qopt { 657 __u8 num_tc; 658 __u8 prio_tc_map[TC_QOPT_BITMASK + 1]; 659 __u8 hw; 660 __u16 count[TC_QOPT_MAX_QUEUE]; 661 __u16 offset[TC_QOPT_MAX_QUEUE]; 662 }; 663 664 #define TC_MQPRIO_F_MODE 0x1 665 #define TC_MQPRIO_F_SHAPER 0x2 666 #define TC_MQPRIO_F_MIN_RATE 0x4 667 #define TC_MQPRIO_F_MAX_RATE 0x8 668 669 enum { 670 TCA_MQPRIO_UNSPEC, 671 TCA_MQPRIO_MODE, 672 TCA_MQPRIO_SHAPER, 673 TCA_MQPRIO_MIN_RATE64, 674 TCA_MQPRIO_MAX_RATE64, 675 __TCA_MQPRIO_MAX, 676 }; 677 678 #define TCA_MQPRIO_MAX (__TCA_MQPRIO_MAX - 1) 679 680 /* SFB */ 681 682 enum { 683 TCA_SFB_UNSPEC, 684 TCA_SFB_PARMS, 685 __TCA_SFB_MAX, 686 }; 687 688 #define TCA_SFB_MAX (__TCA_SFB_MAX - 1) 689 690 /* 691 * Note: increment, decrement are Q0.16 fixed-point values. 692 */ 693 struct tc_sfb_qopt { 694 __u32 rehash_interval; /* delay between hash move, in ms */ 695 __u32 warmup_time; /* double buffering warmup time in ms (warmup_time < rehash_interval) */ 696 __u32 max; /* max len of qlen_min */ 697 __u32 bin_size; /* maximum queue length per bin */ 698 __u32 increment; /* probability increment, (d1 in Blue) */ 699 __u32 decrement; /* probability decrement, (d2 in Blue) */ 700 __u32 limit; /* max SFB queue length */ 701 __u32 penalty_rate; /* inelastic flows are rate limited to 'rate' pps */ 702 __u32 penalty_burst; 703 }; 704 705 struct tc_sfb_xstats { 706 __u32 earlydrop; 707 __u32 penaltydrop; 708 __u32 bucketdrop; 709 __u32 queuedrop; 710 __u32 childdrop; /* drops in child qdisc */ 711 __u32 marked; 712 __u32 maxqlen; 713 __u32 maxprob; 714 __u32 avgprob; 715 }; 716 717 #define SFB_MAX_PROB 0xFFFF 718 719 /* QFQ */ 720 enum { 721 TCA_QFQ_UNSPEC, 722 TCA_QFQ_WEIGHT, 723 TCA_QFQ_LMAX, 724 __TCA_QFQ_MAX 725 }; 726 727 #define TCA_QFQ_MAX (__TCA_QFQ_MAX - 1) 728 729 struct tc_qfq_stats { 730 __u32 weight; 731 __u32 lmax; 732 }; 733 734 /* CODEL */ 735 736 enum { 737 TCA_CODEL_UNSPEC, 738 TCA_CODEL_TARGET, 739 TCA_CODEL_LIMIT, 740 TCA_CODEL_INTERVAL, 741 TCA_CODEL_ECN, 742 TCA_CODEL_CE_THRESHOLD, 743 __TCA_CODEL_MAX 744 }; 745 746 #define TCA_CODEL_MAX (__TCA_CODEL_MAX - 1) 747 748 struct tc_codel_xstats { 749 __u32 maxpacket; /* largest packet we've seen so far */ 750 __u32 count; /* how many drops we've done since the last time we 751 * entered dropping state 752 */ 753 __u32 lastcount; /* count at entry to dropping state */ 754 __u32 ldelay; /* in-queue delay seen by most recently dequeued packet */ 755 __s32 drop_next; /* time to drop next packet */ 756 __u32 drop_overlimit; /* number of time max qdisc packet limit was hit */ 757 __u32 ecn_mark; /* number of packets we ECN marked instead of dropped */ 758 __u32 dropping; /* are we in dropping state ? */ 759 __u32 ce_mark; /* number of CE marked packets because of ce_threshold */ 760 }; 761 762 /* FQ_CODEL */ 763 764 enum { 765 TCA_FQ_CODEL_UNSPEC, 766 TCA_FQ_CODEL_TARGET, 767 TCA_FQ_CODEL_LIMIT, 768 TCA_FQ_CODEL_INTERVAL, 769 TCA_FQ_CODEL_ECN, 770 TCA_FQ_CODEL_FLOWS, 771 TCA_FQ_CODEL_QUANTUM, 772 TCA_FQ_CODEL_CE_THRESHOLD, 773 TCA_FQ_CODEL_DROP_BATCH_SIZE, 774 TCA_FQ_CODEL_MEMORY_LIMIT, 775 __TCA_FQ_CODEL_MAX 776 }; 777 778 #define TCA_FQ_CODEL_MAX (__TCA_FQ_CODEL_MAX - 1) 779 780 enum { 781 TCA_FQ_CODEL_XSTATS_QDISC, 782 TCA_FQ_CODEL_XSTATS_CLASS, 783 }; 784 785 struct tc_fq_codel_qd_stats { 786 __u32 maxpacket; /* largest packet we've seen so far */ 787 __u32 drop_overlimit; /* number of time max qdisc 788 * packet limit was hit 789 */ 790 __u32 ecn_mark; /* number of packets we ECN marked 791 * instead of being dropped 792 */ 793 __u32 new_flow_count; /* number of time packets 794 * created a 'new flow' 795 */ 796 __u32 new_flows_len; /* count of flows in new list */ 797 __u32 old_flows_len; /* count of flows in old list */ 798 __u32 ce_mark; /* packets above ce_threshold */ 799 __u32 memory_usage; /* in bytes */ 800 __u32 drop_overmemory; 801 }; 802 803 struct tc_fq_codel_cl_stats { 804 __s32 deficit; 805 __u32 ldelay; /* in-queue delay seen by most recently 806 * dequeued packet 807 */ 808 __u32 count; 809 __u32 lastcount; 810 __u32 dropping; 811 __s32 drop_next; 812 }; 813 814 struct tc_fq_codel_xstats { 815 __u32 type; 816 union { 817 struct tc_fq_codel_qd_stats qdisc_stats; 818 struct tc_fq_codel_cl_stats class_stats; 819 }; 820 }; 821 822 /* FQ */ 823 824 enum { 825 TCA_FQ_UNSPEC, 826 827 TCA_FQ_PLIMIT, /* limit of total number of packets in queue */ 828 829 TCA_FQ_FLOW_PLIMIT, /* limit of packets per flow */ 830 831 TCA_FQ_QUANTUM, /* RR quantum */ 832 833 TCA_FQ_INITIAL_QUANTUM, /* RR quantum for new flow */ 834 835 TCA_FQ_RATE_ENABLE, /* enable/disable rate limiting */ 836 837 TCA_FQ_FLOW_DEFAULT_RATE,/* obsolete, do not use */ 838 839 TCA_FQ_FLOW_MAX_RATE, /* per flow max rate */ 840 841 TCA_FQ_BUCKETS_LOG, /* log2(number of buckets) */ 842 843 TCA_FQ_FLOW_REFILL_DELAY, /* flow credit refill delay in usec */ 844 845 TCA_FQ_ORPHAN_MASK, /* mask applied to orphaned skb hashes */ 846 847 TCA_FQ_LOW_RATE_THRESHOLD, /* per packet delay under this rate */ 848 849 __TCA_FQ_MAX 850 }; 851 852 #define TCA_FQ_MAX (__TCA_FQ_MAX - 1) 853 854 struct tc_fq_qd_stats { 855 __u64 gc_flows; 856 __u64 highprio_packets; 857 __u64 tcp_retrans; 858 __u64 throttled; 859 __u64 flows_plimit; 860 __u64 pkts_too_long; 861 __u64 allocation_errors; 862 __s64 time_next_delayed_flow; 863 __u32 flows; 864 __u32 inactive_flows; 865 __u32 throttled_flows; 866 __u32 unthrottle_latency_ns; 867 }; 868 869 /* Heavy-Hitter Filter */ 870 871 enum { 872 TCA_HHF_UNSPEC, 873 TCA_HHF_BACKLOG_LIMIT, 874 TCA_HHF_QUANTUM, 875 TCA_HHF_HH_FLOWS_LIMIT, 876 TCA_HHF_RESET_TIMEOUT, 877 TCA_HHF_ADMIT_BYTES, 878 TCA_HHF_EVICT_TIMEOUT, 879 TCA_HHF_NON_HH_WEIGHT, 880 __TCA_HHF_MAX 881 }; 882 883 #define TCA_HHF_MAX (__TCA_HHF_MAX - 1) 884 885 struct tc_hhf_xstats { 886 __u32 drop_overlimit; /* number of times max qdisc packet limit 887 * was hit 888 */ 889 __u32 hh_overlimit; /* number of times max heavy-hitters was hit */ 890 __u32 hh_tot_count; /* number of captured heavy-hitters so far */ 891 __u32 hh_cur_count; /* number of current heavy-hitters */ 892 }; 893 894 /* PIE */ 895 enum { 896 TCA_PIE_UNSPEC, 897 TCA_PIE_TARGET, 898 TCA_PIE_LIMIT, 899 TCA_PIE_TUPDATE, 900 TCA_PIE_ALPHA, 901 TCA_PIE_BETA, 902 TCA_PIE_ECN, 903 TCA_PIE_BYTEMODE, 904 __TCA_PIE_MAX 905 }; 906 #define TCA_PIE_MAX (__TCA_PIE_MAX - 1) 907 908 struct tc_pie_xstats { 909 __u32 prob; /* current probability */ 910 __u32 delay; /* current delay in ms */ 911 __u32 avg_dq_rate; /* current average dq_rate in bits/pie_time */ 912 __u32 packets_in; /* total number of packets enqueued */ 913 __u32 dropped; /* packets dropped due to pie_action */ 914 __u32 overlimit; /* dropped due to lack of space in queue */ 915 __u32 maxq; /* maximum queue size */ 916 __u32 ecn_mark; /* packets marked with ecn*/ 917 }; 918 919 /* CBS */ 920 struct tc_cbs_qopt { 921 __u8 offload; 922 __u8 _pad[3]; 923 __s32 hicredit; 924 __s32 locredit; 925 __s32 idleslope; 926 __s32 sendslope; 927 }; 928 929 enum { 930 TCA_CBS_UNSPEC, 931 TCA_CBS_PARMS, 932 __TCA_CBS_MAX, 933 }; 934 935 #define TCA_CBS_MAX (__TCA_CBS_MAX - 1) 936 937 #endif 938
