1 #ifndef __LINUX_PKT_SCHED_H 2 #define __LINUX_PKT_SCHED_H 3 4 #include <linux/types.h> 5 6 /* Logical priority bands not depending on specific packet scheduler. 7 Every scheduler will map them to real traffic classes, if it has 8 no more precise mechanism to classify packets. 9 10 These numbers have no special meaning, though their coincidence 11 with obsolete IPv6 values is not occasional :-). New IPv6 drafts 12 preferred full anarchy inspired by diffserv group. 13 14 Note: TC_PRIO_BESTEFFORT does not mean that it is the most unhappy 15 class, actually, as rule it will be handled with more care than 16 filler or even bulk. 17 */ 18 19 #define TC_PRIO_BESTEFFORT 0 20 #define TC_PRIO_FILLER 1 21 #define TC_PRIO_BULK 2 22 #define TC_PRIO_INTERACTIVE_BULK 4 23 #define TC_PRIO_INTERACTIVE 6 24 #define TC_PRIO_CONTROL 7 25 26 #define TC_PRIO_MAX 15 27 28 /* Generic queue statistics, available for all the elements. 29 Particular schedulers may have also their private records. 30 */ 31 32 struct tc_stats { 33 __u64 bytes; /* Number of enqueued bytes */ 34 __u32 packets; /* Number of enqueued packets */ 35 __u32 drops; /* Packets dropped because of lack of resources */ 36 __u32 overlimits; /* Number of throttle events when this 37 * flow goes out of allocated bandwidth */ 38 __u32 bps; /* Current flow byte rate */ 39 __u32 pps; /* Current flow packet rate */ 40 __u32 qlen; 41 __u32 backlog; 42 }; 43 44 struct tc_estimator { 45 signed char interval; 46 unsigned char ewma_log; 47 }; 48 49 /* "Handles" 50 --------- 51 52 All the traffic control objects have 32bit identifiers, or "handles". 53 54 They can be considered as opaque numbers from user API viewpoint, 55 but actually they always consist of two fields: major and 56 minor numbers, which are interpreted by kernel specially, 57 that may be used by applications, though not recommended. 58 59 F.e. qdisc handles always have minor number equal to zero, 60 classes (or flows) have major equal to parent qdisc major, and 61 minor uniquely identifying class inside qdisc. 62 63 Macros to manipulate handles: 64 */ 65 66 #define TC_H_MAJ_MASK (0xFFFF0000U) 67 #define TC_H_MIN_MASK (0x0000FFFFU) 68 #define TC_H_MAJ(h) ((h)&TC_H_MAJ_MASK) 69 #define TC_H_MIN(h) ((h)&TC_H_MIN_MASK) 70 #define TC_H_MAKE(maj,min) (((maj)&TC_H_MAJ_MASK)|((min)&TC_H_MIN_MASK)) 71 72 #define TC_H_UNSPEC (0U) 73 #define TC_H_ROOT (0xFFFFFFFFU) 74 #define TC_H_INGRESS (0xFFFFFFF1U) 75 76 /* Need to corrospond to iproute2 tc/tc_core.h "enum link_layer" */ 77 enum tc_link_layer { 78 TC_LINKLAYER_UNAWARE, /* Indicate unaware old iproute2 util */ 79 TC_LINKLAYER_ETHERNET, 80 TC_LINKLAYER_ATM, 81 }; 82 #define TC_LINKLAYER_MASK 0x0F /* limit use to lower 4 bits */ 83 84 struct tc_ratespec { 85 unsigned char cell_log; 86 __u8 linklayer; /* lower 4 bits */ 87 unsigned short overhead; 88 short cell_align; 89 unsigned short mpu; 90 __u32 rate; 91 }; 92 93 #define TC_RTAB_SIZE 1024 94 95 struct tc_sizespec { 96 unsigned char cell_log; 97 unsigned char size_log; 98 short cell_align; 99 int overhead; 100 unsigned int linklayer; 101 unsigned int mpu; 102 unsigned int mtu; 103 unsigned int tsize; 104 }; 105 106 enum { 107 TCA_STAB_UNSPEC, 108 TCA_STAB_BASE, 109 TCA_STAB_DATA, 110 __TCA_STAB_MAX 111 }; 112 113 #define TCA_STAB_MAX (__TCA_STAB_MAX - 1) 114 115 /* FIFO section */ 116 117 struct tc_fifo_qopt { 118 __u32 limit; /* Queue length: bytes for bfifo, packets for pfifo */ 119 }; 120 121 /* PRIO section */ 122 123 #define TCQ_PRIO_BANDS 16 124 #define TCQ_MIN_PRIO_BANDS 2 125 126 struct tc_prio_qopt { 127 int bands; /* Number of bands */ 128 __u8 priomap[TC_PRIO_MAX+1]; /* Map: logical priority -> PRIO band */ 129 }; 130 131 /* MULTIQ section */ 132 133 struct tc_multiq_qopt { 134 __u16 bands; /* Number of bands */ 135 __u16 max_bands; /* Maximum number of queues */ 136 }; 137 138 /* PLUG section */ 139 140 #define TCQ_PLUG_BUFFER 0 141 #define TCQ_PLUG_RELEASE_ONE 1 142 #define TCQ_PLUG_RELEASE_INDEFINITE 2 143 #define TCQ_PLUG_LIMIT 3 144 145 struct tc_plug_qopt { 146 /* TCQ_PLUG_BUFFER: Inset a plug into the queue and 147 * buffer any incoming packets 148 * TCQ_PLUG_RELEASE_ONE: Dequeue packets from queue head 149 * to beginning of the next plug. 150 * TCQ_PLUG_RELEASE_INDEFINITE: Dequeue all packets from queue. 151 * Stop buffering packets until the next TCQ_PLUG_BUFFER 152 * command is received (just act as a pass-thru queue). 153 * TCQ_PLUG_LIMIT: Increase/decrease queue size 154 */ 155 int action; 156 __u32 limit; 157 }; 158 159 /* TBF section */ 160 161 struct tc_tbf_qopt { 162 struct tc_ratespec rate; 163 struct tc_ratespec peakrate; 164 __u32 limit; 165 __u32 buffer; 166 __u32 mtu; 167 }; 168 169 enum { 170 TCA_TBF_UNSPEC, 171 TCA_TBF_PARMS, 172 TCA_TBF_RTAB, 173 TCA_TBF_PTAB, 174 TCA_TBF_RATE64, 175 TCA_TBF_PRATE64, 176 TCA_TBF_BURST, 177 TCA_TBF_PBURST, 178 __TCA_TBF_MAX, 179 }; 180 181 #define TCA_TBF_MAX (__TCA_TBF_MAX - 1) 182 183 184 /* TEQL section */ 185 186 /* TEQL does not require any parameters */ 187 188 /* SFQ section */ 189 190 struct tc_sfq_qopt { 191 unsigned quantum; /* Bytes per round allocated to flow */ 192 int perturb_period; /* Period of hash perturbation */ 193 __u32 limit; /* Maximal packets in queue */ 194 unsigned divisor; /* Hash divisor */ 195 unsigned flows; /* Maximal number of flows */ 196 }; 197 198 struct tc_sfqred_stats { 199 __u32 prob_drop; /* Early drops, below max threshold */ 200 __u32 forced_drop; /* Early drops, after max threshold */ 201 __u32 prob_mark; /* Marked packets, below max threshold */ 202 __u32 forced_mark; /* Marked packets, after max threshold */ 203 __u32 prob_mark_head; /* Marked packets, below max threshold */ 204 __u32 forced_mark_head;/* Marked packets, after max threshold */ 205 }; 206 207 struct tc_sfq_qopt_v1 { 208 struct tc_sfq_qopt v0; 209 unsigned int depth; /* max number of packets per flow */ 210 unsigned int headdrop; 211 /* SFQRED parameters */ 212 __u32 limit; /* HARD maximal flow queue length (bytes) */ 213 __u32 qth_min; /* Min average length threshold (bytes) */ 214 __u32 qth_max; /* Max average length threshold (bytes) */ 215 unsigned char Wlog; /* log(W) */ 216 unsigned char Plog; /* log(P_max/(qth_max-qth_min)) */ 217 unsigned char Scell_log; /* cell size for idle damping */ 218 unsigned char flags; 219 __u32 max_P; /* probability, high resolution */ 220 /* SFQRED stats */ 221 struct tc_sfqred_stats stats; 222 }; 223 224 225 struct tc_sfq_xstats { 226 __s32 allot; 227 }; 228 229 /* RED section */ 230 231 enum { 232 TCA_RED_UNSPEC, 233 TCA_RED_PARMS, 234 TCA_RED_STAB, 235 TCA_RED_MAX_P, 236 __TCA_RED_MAX, 237 }; 238 239 #define TCA_RED_MAX (__TCA_RED_MAX - 1) 240 241 struct tc_red_qopt { 242 __u32 limit; /* HARD maximal queue length (bytes) */ 243 __u32 qth_min; /* Min average length threshold (bytes) */ 244 __u32 qth_max; /* Max average length threshold (bytes) */ 245 unsigned char Wlog; /* log(W) */ 246 unsigned char Plog; /* log(P_max/(qth_max-qth_min)) */ 247 unsigned char Scell_log; /* cell size for idle damping */ 248 unsigned char flags; 249 #define TC_RED_ECN 1 250 #define TC_RED_HARDDROP 2 251 #define TC_RED_ADAPTATIVE 4 252 }; 253 254 struct tc_red_xstats { 255 __u32 early; /* Early drops */ 256 __u32 pdrop; /* Drops due to queue limits */ 257 __u32 other; /* Drops due to drop() calls */ 258 __u32 marked; /* Marked packets */ 259 }; 260 261 /* GRED section */ 262 263 #define MAX_DPs 16 264 265 enum { 266 TCA_GRED_UNSPEC, 267 TCA_GRED_PARMS, 268 TCA_GRED_STAB, 269 TCA_GRED_DPS, 270 TCA_GRED_MAX_P, 271 TCA_GRED_LIMIT, 272 __TCA_GRED_MAX, 273 }; 274 275 #define TCA_GRED_MAX (__TCA_GRED_MAX - 1) 276 277 struct tc_gred_qopt { 278 __u32 limit; /* HARD maximal queue length (bytes) */ 279 __u32 qth_min; /* Min average length threshold (bytes) */ 280 __u32 qth_max; /* Max average length threshold (bytes) */ 281 __u32 DP; /* up to 2^32 DPs */ 282 __u32 backlog; 283 __u32 qave; 284 __u32 forced; 285 __u32 early; 286 __u32 other; 287 __u32 pdrop; 288 __u8 Wlog; /* log(W) */ 289 __u8 Plog; /* log(P_max/(qth_max-qth_min)) */ 290 __u8 Scell_log; /* cell size for idle damping */ 291 __u8 prio; /* prio of this VQ */ 292 __u32 packets; 293 __u32 bytesin; 294 }; 295 296 /* gred setup */ 297 struct tc_gred_sopt { 298 __u32 DPs; 299 __u32 def_DP; 300 __u8 grio; 301 __u8 flags; 302 __u16 pad1; 303 }; 304 305 /* CHOKe section */ 306 307 enum { 308 TCA_CHOKE_UNSPEC, 309 TCA_CHOKE_PARMS, 310 TCA_CHOKE_STAB, 311 TCA_CHOKE_MAX_P, 312 __TCA_CHOKE_MAX, 313 }; 314 315 #define TCA_CHOKE_MAX (__TCA_CHOKE_MAX - 1) 316 317 struct tc_choke_qopt { 318 __u32 limit; /* Hard queue length (packets) */ 319 __u32 qth_min; /* Min average threshold (packets) */ 320 __u32 qth_max; /* Max average threshold (packets) */ 321 unsigned char Wlog; /* log(W) */ 322 unsigned char Plog; /* log(P_max/(qth_max-qth_min)) */ 323 unsigned char Scell_log; /* cell size for idle damping */ 324 unsigned char flags; /* see RED flags */ 325 }; 326 327 struct tc_choke_xstats { 328 __u32 early; /* Early drops */ 329 __u32 pdrop; /* Drops due to queue limits */ 330 __u32 other; /* Drops due to drop() calls */ 331 __u32 marked; /* Marked packets */ 332 __u32 matched; /* Drops due to flow match */ 333 }; 334 335 /* HTB section */ 336 #define TC_HTB_NUMPRIO 8 337 #define TC_HTB_MAXDEPTH 8 338 #define TC_HTB_PROTOVER 3 /* the same as HTB and TC's major */ 339 340 struct tc_htb_opt { 341 struct tc_ratespec rate; 342 struct tc_ratespec ceil; 343 __u32 buffer; 344 __u32 cbuffer; 345 __u32 quantum; 346 __u32 level; /* out only */ 347 __u32 prio; 348 }; 349 struct tc_htb_glob { 350 __u32 version; /* to match HTB/TC */ 351 __u32 rate2quantum; /* bps->quantum divisor */ 352 __u32 defcls; /* default class number */ 353 __u32 debug; /* debug flags */ 354 355 /* stats */ 356 __u32 direct_pkts; /* count of non shaped packets */ 357 }; 358 enum { 359 TCA_HTB_UNSPEC, 360 TCA_HTB_PARMS, 361 TCA_HTB_INIT, 362 TCA_HTB_CTAB, 363 TCA_HTB_RTAB, 364 TCA_HTB_DIRECT_QLEN, 365 TCA_HTB_RATE64, 366 TCA_HTB_CEIL64, 367 __TCA_HTB_MAX, 368 }; 369 370 #define TCA_HTB_MAX (__TCA_HTB_MAX - 1) 371 372 struct tc_htb_xstats { 373 __u32 lends; 374 __u32 borrows; 375 __u32 giants; /* too big packets (rate will not be accurate) */ 376 __u32 tokens; 377 __u32 ctokens; 378 }; 379 380 /* HFSC section */ 381 382 struct tc_hfsc_qopt { 383 __u16 defcls; /* default class */ 384 }; 385 386 struct tc_service_curve { 387 __u32 m1; /* slope of the first segment in bps */ 388 __u32 d; /* x-projection of the first segment in us */ 389 __u32 m2; /* slope of the second segment in bps */ 390 }; 391 392 struct tc_hfsc_stats { 393 __u64 work; /* total work done */ 394 __u64 rtwork; /* work done by real-time criteria */ 395 __u32 period; /* current period */ 396 __u32 level; /* class level in hierarchy */ 397 }; 398 399 enum { 400 TCA_HFSC_UNSPEC, 401 TCA_HFSC_RSC, 402 TCA_HFSC_FSC, 403 TCA_HFSC_USC, 404 __TCA_HFSC_MAX, 405 }; 406 407 #define TCA_HFSC_MAX (__TCA_HFSC_MAX - 1) 408 409 410 /* CBQ section */ 411 412 #define TC_CBQ_MAXPRIO 8 413 #define TC_CBQ_MAXLEVEL 8 414 #define TC_CBQ_DEF_EWMA 5 415 416 struct tc_cbq_lssopt { 417 unsigned char change; 418 unsigned char flags; 419 #define TCF_CBQ_LSS_BOUNDED 1 420 #define TCF_CBQ_LSS_ISOLATED 2 421 unsigned char ewma_log; 422 unsigned char level; 423 #define TCF_CBQ_LSS_FLAGS 1 424 #define TCF_CBQ_LSS_EWMA 2 425 #define TCF_CBQ_LSS_MAXIDLE 4 426 #define TCF_CBQ_LSS_MINIDLE 8 427 #define TCF_CBQ_LSS_OFFTIME 0x10 428 #define TCF_CBQ_LSS_AVPKT 0x20 429 __u32 maxidle; 430 __u32 minidle; 431 __u32 offtime; 432 __u32 avpkt; 433 }; 434 435 struct tc_cbq_wrropt { 436 unsigned char flags; 437 unsigned char priority; 438 unsigned char cpriority; 439 unsigned char __reserved; 440 __u32 allot; 441 __u32 weight; 442 }; 443 444 struct tc_cbq_ovl { 445 unsigned char strategy; 446 #define TC_CBQ_OVL_CLASSIC 0 447 #define TC_CBQ_OVL_DELAY 1 448 #define TC_CBQ_OVL_LOWPRIO 2 449 #define TC_CBQ_OVL_DROP 3 450 #define TC_CBQ_OVL_RCLASSIC 4 451 unsigned char priority2; 452 __u16 pad; 453 __u32 penalty; 454 }; 455 456 struct tc_cbq_police { 457 unsigned char police; 458 unsigned char __res1; 459 unsigned short __res2; 460 }; 461 462 struct tc_cbq_fopt { 463 __u32 split; 464 __u32 defmap; 465 __u32 defchange; 466 }; 467 468 struct tc_cbq_xstats { 469 __u32 borrows; 470 __u32 overactions; 471 __s32 avgidle; 472 __s32 undertime; 473 }; 474 475 enum { 476 TCA_CBQ_UNSPEC, 477 TCA_CBQ_LSSOPT, 478 TCA_CBQ_WRROPT, 479 TCA_CBQ_FOPT, 480 TCA_CBQ_OVL_STRATEGY, 481 TCA_CBQ_RATE, 482 TCA_CBQ_RTAB, 483 TCA_CBQ_POLICE, 484 __TCA_CBQ_MAX, 485 }; 486 487 #define TCA_CBQ_MAX (__TCA_CBQ_MAX - 1) 488 489 /* dsmark section */ 490 491 enum { 492 TCA_DSMARK_UNSPEC, 493 TCA_DSMARK_INDICES, 494 TCA_DSMARK_DEFAULT_INDEX, 495 TCA_DSMARK_SET_TC_INDEX, 496 TCA_DSMARK_MASK, 497 TCA_DSMARK_VALUE, 498 __TCA_DSMARK_MAX, 499 }; 500 501 #define TCA_DSMARK_MAX (__TCA_DSMARK_MAX - 1) 502 503 /* ATM section */ 504 505 enum { 506 TCA_ATM_UNSPEC, 507 TCA_ATM_FD, /* file/socket descriptor */ 508 TCA_ATM_PTR, /* pointer to descriptor - later */ 509 TCA_ATM_HDR, /* LL header */ 510 TCA_ATM_EXCESS, /* excess traffic class (0 for CLP) */ 511 TCA_ATM_ADDR, /* PVC address (for output only) */ 512 TCA_ATM_STATE, /* VC state (ATM_VS_*; for output only) */ 513 __TCA_ATM_MAX, 514 }; 515 516 #define TCA_ATM_MAX (__TCA_ATM_MAX - 1) 517 518 /* Network emulator */ 519 520 enum { 521 TCA_NETEM_UNSPEC, 522 TCA_NETEM_CORR, 523 TCA_NETEM_DELAY_DIST, 524 TCA_NETEM_REORDER, 525 TCA_NETEM_CORRUPT, 526 TCA_NETEM_LOSS, 527 TCA_NETEM_RATE, 528 TCA_NETEM_ECN, 529 TCA_NETEM_RATE64, 530 __TCA_NETEM_MAX, 531 }; 532 533 #define TCA_NETEM_MAX (__TCA_NETEM_MAX - 1) 534 535 struct tc_netem_qopt { 536 __u32 latency; /* added delay (us) */ 537 __u32 limit; /* fifo limit (packets) */ 538 __u32 loss; /* random packet loss (0=none ~0=100%) */ 539 __u32 gap; /* re-ordering gap (0 for none) */ 540 __u32 duplicate; /* random packet dup (0=none ~0=100%) */ 541 __u32 jitter; /* random jitter in latency (us) */ 542 }; 543 544 struct tc_netem_corr { 545 __u32 delay_corr; /* delay correlation */ 546 __u32 loss_corr; /* packet loss correlation */ 547 __u32 dup_corr; /* duplicate correlation */ 548 }; 549 550 struct tc_netem_reorder { 551 __u32 probability; 552 __u32 correlation; 553 }; 554 555 struct tc_netem_corrupt { 556 __u32 probability; 557 __u32 correlation; 558 }; 559 560 struct tc_netem_rate { 561 __u32 rate; /* byte/s */ 562 __s32 packet_overhead; 563 __u32 cell_size; 564 __s32 cell_overhead; 565 }; 566 567 enum { 568 NETEM_LOSS_UNSPEC, 569 NETEM_LOSS_GI, /* General Intuitive - 4 state model */ 570 NETEM_LOSS_GE, /* Gilbert Elliot models */ 571 __NETEM_LOSS_MAX 572 }; 573 #define NETEM_LOSS_MAX (__NETEM_LOSS_MAX - 1) 574 575 /* State transition probabilities for 4 state model */ 576 struct tc_netem_gimodel { 577 __u32 p13; 578 __u32 p31; 579 __u32 p32; 580 __u32 p14; 581 __u32 p23; 582 }; 583 584 /* Gilbert-Elliot models */ 585 struct tc_netem_gemodel { 586 __u32 p; 587 __u32 r; 588 __u32 h; 589 __u32 k1; 590 }; 591 592 #define NETEM_DIST_SCALE 8192 593 #define NETEM_DIST_MAX 16384 594 595 /* DRR */ 596 597 enum { 598 TCA_DRR_UNSPEC, 599 TCA_DRR_QUANTUM, 600 __TCA_DRR_MAX 601 }; 602 603 #define TCA_DRR_MAX (__TCA_DRR_MAX - 1) 604 605 struct tc_drr_stats { 606 __u32 deficit; 607 }; 608 609 /* MQPRIO */ 610 #define TC_QOPT_BITMASK 15 611 #define TC_QOPT_MAX_QUEUE 16 612 613 struct tc_mqprio_qopt { 614 __u8 num_tc; 615 __u8 prio_tc_map[TC_QOPT_BITMASK + 1]; 616 __u8 hw; 617 __u16 count[TC_QOPT_MAX_QUEUE]; 618 __u16 offset[TC_QOPT_MAX_QUEUE]; 619 }; 620 621 /* SFB */ 622 623 enum { 624 TCA_SFB_UNSPEC, 625 TCA_SFB_PARMS, 626 __TCA_SFB_MAX, 627 }; 628 629 #define TCA_SFB_MAX (__TCA_SFB_MAX - 1) 630 631 /* 632 * Note: increment, decrement are Q0.16 fixed-point values. 633 */ 634 struct tc_sfb_qopt { 635 __u32 rehash_interval; /* delay between hash move, in ms */ 636 __u32 warmup_time; /* double buffering warmup time in ms (warmup_time < rehash_interval) */ 637 __u32 max; /* max len of qlen_min */ 638 __u32 bin_size; /* maximum queue length per bin */ 639 __u32 increment; /* probability increment, (d1 in Blue) */ 640 __u32 decrement; /* probability decrement, (d2 in Blue) */ 641 __u32 limit; /* max SFB queue length */ 642 __u32 penalty_rate; /* inelastic flows are rate limited to 'rate' pps */ 643 __u32 penalty_burst; 644 }; 645 646 struct tc_sfb_xstats { 647 __u32 earlydrop; 648 __u32 penaltydrop; 649 __u32 bucketdrop; 650 __u32 queuedrop; 651 __u32 childdrop; /* drops in child qdisc */ 652 __u32 marked; 653 __u32 maxqlen; 654 __u32 maxprob; 655 __u32 avgprob; 656 }; 657 658 #define SFB_MAX_PROB 0xFFFF 659 660 /* QFQ */ 661 enum { 662 TCA_QFQ_UNSPEC, 663 TCA_QFQ_WEIGHT, 664 TCA_QFQ_LMAX, 665 __TCA_QFQ_MAX 666 }; 667 668 #define TCA_QFQ_MAX (__TCA_QFQ_MAX - 1) 669 670 struct tc_qfq_stats { 671 __u32 weight; 672 __u32 lmax; 673 }; 674 675 /* CODEL */ 676 677 enum { 678 TCA_CODEL_UNSPEC, 679 TCA_CODEL_TARGET, 680 TCA_CODEL_LIMIT, 681 TCA_CODEL_INTERVAL, 682 TCA_CODEL_ECN, 683 TCA_CODEL_CE_THRESHOLD, 684 __TCA_CODEL_MAX 685 }; 686 687 #define TCA_CODEL_MAX (__TCA_CODEL_MAX - 1) 688 689 struct tc_codel_xstats { 690 __u32 maxpacket; /* largest packet we've seen so far */ 691 __u32 count; /* how many drops we've done since the last time we 692 * entered dropping state 693 */ 694 __u32 lastcount; /* count at entry to dropping state */ 695 __u32 ldelay; /* in-queue delay seen by most recently dequeued packet */ 696 __s32 drop_next; /* time to drop next packet */ 697 __u32 drop_overlimit; /* number of time max qdisc packet limit was hit */ 698 __u32 ecn_mark; /* number of packets we ECN marked instead of dropped */ 699 __u32 dropping; /* are we in dropping state ? */ 700 __u32 ce_mark; /* number of CE marked packets because of ce_threshold */ 701 }; 702 703 /* FQ_CODEL */ 704 705 enum { 706 TCA_FQ_CODEL_UNSPEC, 707 TCA_FQ_CODEL_TARGET, 708 TCA_FQ_CODEL_LIMIT, 709 TCA_FQ_CODEL_INTERVAL, 710 TCA_FQ_CODEL_ECN, 711 TCA_FQ_CODEL_FLOWS, 712 TCA_FQ_CODEL_QUANTUM, 713 TCA_FQ_CODEL_CE_THRESHOLD, 714 __TCA_FQ_CODEL_MAX 715 }; 716 717 #define TCA_FQ_CODEL_MAX (__TCA_FQ_CODEL_MAX - 1) 718 719 enum { 720 TCA_FQ_CODEL_XSTATS_QDISC, 721 TCA_FQ_CODEL_XSTATS_CLASS, 722 }; 723 724 struct tc_fq_codel_qd_stats { 725 __u32 maxpacket; /* largest packet we've seen so far */ 726 __u32 drop_overlimit; /* number of time max qdisc 727 * packet limit was hit 728 */ 729 __u32 ecn_mark; /* number of packets we ECN marked 730 * instead of being dropped 731 */ 732 __u32 new_flow_count; /* number of time packets 733 * created a 'new flow' 734 */ 735 __u32 new_flows_len; /* count of flows in new list */ 736 __u32 old_flows_len; /* count of flows in old list */ 737 __u32 ce_mark; /* packets above ce_threshold */ 738 }; 739 740 struct 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 }; 750 751 struct 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 */ 760 761 enum { 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_MAX 785 }; 786 787 #define TCA_FQ_MAX (__TCA_FQ_MAX - 1) 788 789 struct tc_fq_qd_stats { 790 __u64 gc_flows; 791 __u64 highprio_packets; 792 __u64 tcp_retrans; 793 __u64 throttled; 794 __u64 flows_plimit; 795 __u64 pkts_too_long; 796 __u64 allocation_errors; 797 __s64 time_next_delayed_flow; 798 __u32 flows; 799 __u32 inactive_flows; 800 __u32 throttled_flows; 801 __u32 pad; 802 }; 803 804 /* Heavy-Hitter Filter */ 805 806 enum { 807 TCA_HHF_UNSPEC, 808 TCA_HHF_BACKLOG_LIMIT, 809 TCA_HHF_QUANTUM, 810 TCA_HHF_HH_FLOWS_LIMIT, 811 TCA_HHF_RESET_TIMEOUT, 812 TCA_HHF_ADMIT_BYTES, 813 TCA_HHF_EVICT_TIMEOUT, 814 TCA_HHF_NON_HH_WEIGHT, 815 __TCA_HHF_MAX 816 }; 817 818 #define TCA_HHF_MAX (__TCA_HHF_MAX - 1) 819 820 struct tc_hhf_xstats { 821 __u32 drop_overlimit; /* number of times max qdisc packet limit 822 * was hit 823 */ 824 __u32 hh_overlimit; /* number of times max heavy-hitters was hit */ 825 __u32 hh_tot_count; /* number of captured heavy-hitters so far */ 826 __u32 hh_cur_count; /* number of current heavy-hitters */ 827 }; 828 829 /* PIE */ 830 enum { 831 TCA_PIE_UNSPEC, 832 TCA_PIE_TARGET, 833 TCA_PIE_LIMIT, 834 TCA_PIE_TUPDATE, 835 TCA_PIE_ALPHA, 836 TCA_PIE_BETA, 837 TCA_PIE_ECN, 838 TCA_PIE_BYTEMODE, 839 __TCA_PIE_MAX 840 }; 841 #define TCA_PIE_MAX (__TCA_PIE_MAX - 1) 842 843 struct tc_pie_xstats { 844 __u32 prob; /* current probability */ 845 __u32 delay; /* current delay in ms */ 846 __u32 avg_dq_rate; /* current average dq_rate in bits/pie_time */ 847 __u32 packets_in; /* total number of packets enqueued */ 848 __u32 dropped; /* packets dropped due to pie_action */ 849 __u32 overlimit; /* dropped due to lack of space in queue */ 850 __u32 maxq; /* maximum queue size */ 851 __u32 ecn_mark; /* packets marked with ecn*/ 852 }; 853 #endif 854
