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_INGRESS 0xFFF2U 79 #define TC_H_MIN_EGRESS 0xFFF3U 80 81 /* Need to corrospond to iproute2 tc/tc_core.h "enum link_layer" */ 82 enum tc_link_layer { 83 TC_LINKLAYER_UNAWARE, /* Indicate unaware old iproute2 util */ 84 TC_LINKLAYER_ETHERNET, 85 TC_LINKLAYER_ATM, 86 }; 87 #define TC_LINKLAYER_MASK 0x0F /* limit use to lower 4 bits */ 88 89 struct tc_ratespec { 90 unsigned char cell_log; 91 __u8 linklayer; /* lower 4 bits */ 92 unsigned short overhead; 93 short cell_align; 94 unsigned short mpu; 95 __u32 rate; 96 }; 97 98 #define TC_RTAB_SIZE 1024 99 100 struct tc_sizespec { 101 unsigned char cell_log; 102 unsigned char size_log; 103 short cell_align; 104 int overhead; 105 unsigned int linklayer; 106 unsigned int mpu; 107 unsigned int mtu; 108 unsigned int tsize; 109 }; 110 111 enum { 112 TCA_STAB_UNSPEC, 113 TCA_STAB_BASE, 114 TCA_STAB_DATA, 115 __TCA_STAB_MAX 116 }; 117 118 #define TCA_STAB_MAX (__TCA_STAB_MAX - 1) 119 120 /* FIFO section */ 121 122 struct tc_fifo_qopt { 123 __u32 limit; /* Queue length: bytes for bfifo, packets for pfifo */ 124 }; 125 126 /* PRIO section */ 127 128 #define TCQ_PRIO_BANDS 16 129 #define TCQ_MIN_PRIO_BANDS 2 130 131 struct tc_prio_qopt { 132 int bands; /* Number of bands */ 133 __u8 priomap[TC_PRIO_MAX+1]; /* Map: logical priority -> PRIO band */ 134 }; 135 136 /* MULTIQ section */ 137 138 struct tc_multiq_qopt { 139 __u16 bands; /* Number of bands */ 140 __u16 max_bands; /* Maximum number of queues */ 141 }; 142 143 /* PLUG section */ 144 145 #define TCQ_PLUG_BUFFER 0 146 #define TCQ_PLUG_RELEASE_ONE 1 147 #define TCQ_PLUG_RELEASE_INDEFINITE 2 148 #define TCQ_PLUG_LIMIT 3 149 150 struct tc_plug_qopt { 151 /* TCQ_PLUG_BUFFER: Inset a plug into the queue and 152 * buffer any incoming packets 153 * TCQ_PLUG_RELEASE_ONE: Dequeue packets from queue head 154 * to beginning of the next plug. 155 * TCQ_PLUG_RELEASE_INDEFINITE: Dequeue all packets from queue. 156 * Stop buffering packets until the next TCQ_PLUG_BUFFER 157 * command is received (just act as a pass-thru queue). 158 * TCQ_PLUG_LIMIT: Increase/decrease queue size 159 */ 160 int action; 161 __u32 limit; 162 }; 163 164 /* TBF section */ 165 166 struct tc_tbf_qopt { 167 struct tc_ratespec rate; 168 struct tc_ratespec peakrate; 169 __u32 limit; 170 __u32 buffer; 171 __u32 mtu; 172 }; 173 174 enum { 175 TCA_TBF_UNSPEC, 176 TCA_TBF_PARMS, 177 TCA_TBF_RTAB, 178 TCA_TBF_PTAB, 179 TCA_TBF_RATE64, 180 TCA_TBF_PRATE64, 181 TCA_TBF_BURST, 182 TCA_TBF_PBURST, 183 TCA_TBF_PAD, 184 __TCA_TBF_MAX, 185 }; 186 187 #define TCA_TBF_MAX (__TCA_TBF_MAX - 1) 188 189 190 /* TEQL section */ 191 192 /* TEQL does not require any parameters */ 193 194 /* SFQ section */ 195 196 struct tc_sfq_qopt { 197 unsigned quantum; /* Bytes per round allocated to flow */ 198 int perturb_period; /* Period of hash perturbation */ 199 __u32 limit; /* Maximal packets in queue */ 200 unsigned divisor; /* Hash divisor */ 201 unsigned flows; /* Maximal number of flows */ 202 }; 203 204 struct tc_sfqred_stats { 205 __u32 prob_drop; /* Early drops, below max threshold */ 206 __u32 forced_drop; /* Early drops, after max threshold */ 207 __u32 prob_mark; /* Marked packets, below max threshold */ 208 __u32 forced_mark; /* Marked packets, after max threshold */ 209 __u32 prob_mark_head; /* Marked packets, below max threshold */ 210 __u32 forced_mark_head;/* Marked packets, after max threshold */ 211 }; 212 213 struct tc_sfq_qopt_v1 { 214 struct tc_sfq_qopt v0; 215 unsigned int depth; /* max number of packets per flow */ 216 unsigned int headdrop; 217 /* SFQRED parameters */ 218 __u32 limit; /* HARD maximal flow queue length (bytes) */ 219 __u32 qth_min; /* Min average length threshold (bytes) */ 220 __u32 qth_max; /* Max average length threshold (bytes) */ 221 unsigned char Wlog; /* log(W) */ 222 unsigned char Plog; /* log(P_max/(qth_max-qth_min)) */ 223 unsigned char Scell_log; /* cell size for idle damping */ 224 unsigned char flags; 225 __u32 max_P; /* probability, high resolution */ 226 /* SFQRED stats */ 227 struct tc_sfqred_stats stats; 228 }; 229 230 231 struct tc_sfq_xstats { 232 __s32 allot; 233 }; 234 235 /* RED section */ 236 237 enum { 238 TCA_RED_UNSPEC, 239 TCA_RED_PARMS, 240 TCA_RED_STAB, 241 TCA_RED_MAX_P, 242 __TCA_RED_MAX, 243 }; 244 245 #define TCA_RED_MAX (__TCA_RED_MAX - 1) 246 247 struct tc_red_qopt { 248 __u32 limit; /* HARD maximal queue length (bytes) */ 249 __u32 qth_min; /* Min average length threshold (bytes) */ 250 __u32 qth_max; /* Max average length threshold (bytes) */ 251 unsigned char Wlog; /* log(W) */ 252 unsigned char Plog; /* log(P_max/(qth_max-qth_min)) */ 253 unsigned char Scell_log; /* cell size for idle damping */ 254 unsigned char flags; 255 #define TC_RED_ECN 1 256 #define TC_RED_HARDDROP 2 257 #define TC_RED_ADAPTATIVE 4 258 }; 259 260 struct tc_red_xstats { 261 __u32 early; /* Early drops */ 262 __u32 pdrop; /* Drops due to queue limits */ 263 __u32 other; /* Drops due to drop() calls */ 264 __u32 marked; /* Marked packets */ 265 }; 266 267 /* GRED section */ 268 269 #define MAX_DPs 16 270 271 enum { 272 TCA_GRED_UNSPEC, 273 TCA_GRED_PARMS, 274 TCA_GRED_STAB, 275 TCA_GRED_DPS, 276 TCA_GRED_MAX_P, 277 TCA_GRED_LIMIT, 278 __TCA_GRED_MAX, 279 }; 280 281 #define TCA_GRED_MAX (__TCA_GRED_MAX - 1) 282 283 struct tc_gred_qopt { 284 __u32 limit; /* HARD maximal queue length (bytes) */ 285 __u32 qth_min; /* Min average length threshold (bytes) */ 286 __u32 qth_max; /* Max average length threshold (bytes) */ 287 __u32 DP; /* up to 2^32 DPs */ 288 __u32 backlog; 289 __u32 qave; 290 __u32 forced; 291 __u32 early; 292 __u32 other; 293 __u32 pdrop; 294 __u8 Wlog; /* log(W) */ 295 __u8 Plog; /* log(P_max/(qth_max-qth_min)) */ 296 __u8 Scell_log; /* cell size for idle damping */ 297 __u8 prio; /* prio of this VQ */ 298 __u32 packets; 299 __u32 bytesin; 300 }; 301 302 /* gred setup */ 303 struct tc_gred_sopt { 304 __u32 DPs; 305 __u32 def_DP; 306 __u8 grio; 307 __u8 flags; 308 __u16 pad1; 309 }; 310 311 /* CHOKe section */ 312 313 enum { 314 TCA_CHOKE_UNSPEC, 315 TCA_CHOKE_PARMS, 316 TCA_CHOKE_STAB, 317 TCA_CHOKE_MAX_P, 318 __TCA_CHOKE_MAX, 319 }; 320 321 #define TCA_CHOKE_MAX (__TCA_CHOKE_MAX - 1) 322 323 struct tc_choke_qopt { 324 __u32 limit; /* Hard queue length (packets) */ 325 __u32 qth_min; /* Min average threshold (packets) */ 326 __u32 qth_max; /* Max average threshold (packets) */ 327 unsigned char Wlog; /* log(W) */ 328 unsigned char Plog; /* log(P_max/(qth_max-qth_min)) */ 329 unsigned char Scell_log; /* cell size for idle damping */ 330 unsigned char flags; /* see RED flags */ 331 }; 332 333 struct tc_choke_xstats { 334 __u32 early; /* Early drops */ 335 __u32 pdrop; /* Drops due to queue limits */ 336 __u32 other; /* Drops due to drop() calls */ 337 __u32 marked; /* Marked packets */ 338 __u32 matched; /* Drops due to flow match */ 339 }; 340 341 /* HTB section */ 342 #define TC_HTB_NUMPRIO 8 343 #define TC_HTB_MAXDEPTH 8 344 #define TC_HTB_PROTOVER 3 /* the same as HTB and TC's major */ 345 346 struct tc_htb_opt { 347 struct tc_ratespec rate; 348 struct tc_ratespec ceil; 349 __u32 buffer; 350 __u32 cbuffer; 351 __u32 quantum; 352 __u32 level; /* out only */ 353 __u32 prio; 354 }; 355 struct tc_htb_glob { 356 __u32 version; /* to match HTB/TC */ 357 __u32 rate2quantum; /* bps->quantum divisor */ 358 __u32 defcls; /* default class number */ 359 __u32 debug; /* debug flags */ 360 361 /* stats */ 362 __u32 direct_pkts; /* count of non shaped packets */ 363 }; 364 enum { 365 TCA_HTB_UNSPEC, 366 TCA_HTB_PARMS, 367 TCA_HTB_INIT, 368 TCA_HTB_CTAB, 369 TCA_HTB_RTAB, 370 TCA_HTB_DIRECT_QLEN, 371 TCA_HTB_RATE64, 372 TCA_HTB_CEIL64, 373 TCA_HTB_PAD, 374 __TCA_HTB_MAX, 375 }; 376 377 #define TCA_HTB_MAX (__TCA_HTB_MAX - 1) 378 379 struct tc_htb_xstats { 380 __u32 lends; 381 __u32 borrows; 382 __u32 giants; /* too big packets (rate will not be accurate) */ 383 __u32 tokens; 384 __u32 ctokens; 385 }; 386 387 /* HFSC section */ 388 389 struct tc_hfsc_qopt { 390 __u16 defcls; /* default class */ 391 }; 392 393 struct tc_service_curve { 394 __u32 m1; /* slope of the first segment in bps */ 395 __u32 d; /* x-projection of the first segment in us */ 396 __u32 m2; /* slope of the second segment in bps */ 397 }; 398 399 struct tc_hfsc_stats { 400 __u64 work; /* total work done */ 401 __u64 rtwork; /* work done by real-time criteria */ 402 __u32 period; /* current period */ 403 __u32 level; /* class level in hierarchy */ 404 }; 405 406 enum { 407 TCA_HFSC_UNSPEC, 408 TCA_HFSC_RSC, 409 TCA_HFSC_FSC, 410 TCA_HFSC_USC, 411 __TCA_HFSC_MAX, 412 }; 413 414 #define TCA_HFSC_MAX (__TCA_HFSC_MAX - 1) 415 416 417 /* CBQ section */ 418 419 #define TC_CBQ_MAXPRIO 8 420 #define TC_CBQ_MAXLEVEL 8 421 #define TC_CBQ_DEF_EWMA 5 422 423 struct tc_cbq_lssopt { 424 unsigned char change; 425 unsigned char flags; 426 #define TCF_CBQ_LSS_BOUNDED 1 427 #define TCF_CBQ_LSS_ISOLATED 2 428 unsigned char ewma_log; 429 unsigned char level; 430 #define TCF_CBQ_LSS_FLAGS 1 431 #define TCF_CBQ_LSS_EWMA 2 432 #define TCF_CBQ_LSS_MAXIDLE 4 433 #define TCF_CBQ_LSS_MINIDLE 8 434 #define TCF_CBQ_LSS_OFFTIME 0x10 435 #define TCF_CBQ_LSS_AVPKT 0x20 436 __u32 maxidle; 437 __u32 minidle; 438 __u32 offtime; 439 __u32 avpkt; 440 }; 441 442 struct tc_cbq_wrropt { 443 unsigned char flags; 444 unsigned char priority; 445 unsigned char cpriority; 446 unsigned char __reserved; 447 __u32 allot; 448 __u32 weight; 449 }; 450 451 struct tc_cbq_ovl { 452 unsigned char strategy; 453 #define TC_CBQ_OVL_CLASSIC 0 454 #define TC_CBQ_OVL_DELAY 1 455 #define TC_CBQ_OVL_LOWPRIO 2 456 #define TC_CBQ_OVL_DROP 3 457 #define TC_CBQ_OVL_RCLASSIC 4 458 unsigned char priority2; 459 __u16 pad; 460 __u32 penalty; 461 }; 462 463 struct tc_cbq_police { 464 unsigned char police; 465 unsigned char __res1; 466 unsigned short __res2; 467 }; 468 469 struct tc_cbq_fopt { 470 __u32 split; 471 __u32 defmap; 472 __u32 defchange; 473 }; 474 475 struct tc_cbq_xstats { 476 __u32 borrows; 477 __u32 overactions; 478 __s32 avgidle; 479 __s32 undertime; 480 }; 481 482 enum { 483 TCA_CBQ_UNSPEC, 484 TCA_CBQ_LSSOPT, 485 TCA_CBQ_WRROPT, 486 TCA_CBQ_FOPT, 487 TCA_CBQ_OVL_STRATEGY, 488 TCA_CBQ_RATE, 489 TCA_CBQ_RTAB, 490 TCA_CBQ_POLICE, 491 __TCA_CBQ_MAX, 492 }; 493 494 #define TCA_CBQ_MAX (__TCA_CBQ_MAX - 1) 495 496 /* dsmark section */ 497 498 enum { 499 TCA_DSMARK_UNSPEC, 500 TCA_DSMARK_INDICES, 501 TCA_DSMARK_DEFAULT_INDEX, 502 TCA_DSMARK_SET_TC_INDEX, 503 TCA_DSMARK_MASK, 504 TCA_DSMARK_VALUE, 505 __TCA_DSMARK_MAX, 506 }; 507 508 #define TCA_DSMARK_MAX (__TCA_DSMARK_MAX - 1) 509 510 /* ATM section */ 511 512 enum { 513 TCA_ATM_UNSPEC, 514 TCA_ATM_FD, /* file/socket descriptor */ 515 TCA_ATM_PTR, /* pointer to descriptor - later */ 516 TCA_ATM_HDR, /* LL header */ 517 TCA_ATM_EXCESS, /* excess traffic class (0 for CLP) */ 518 TCA_ATM_ADDR, /* PVC address (for output only) */ 519 TCA_ATM_STATE, /* VC state (ATM_VS_*; for output only) */ 520 __TCA_ATM_MAX, 521 }; 522 523 #define TCA_ATM_MAX (__TCA_ATM_MAX - 1) 524 525 /* Network emulator */ 526 527 enum { 528 TCA_NETEM_UNSPEC, 529 TCA_NETEM_CORR, 530 TCA_NETEM_DELAY_DIST, 531 TCA_NETEM_REORDER, 532 TCA_NETEM_CORRUPT, 533 TCA_NETEM_LOSS, 534 TCA_NETEM_RATE, 535 TCA_NETEM_ECN, 536 TCA_NETEM_RATE64, 537 TCA_NETEM_PAD, 538 __TCA_NETEM_MAX, 539 }; 540 541 #define TCA_NETEM_MAX (__TCA_NETEM_MAX - 1) 542 543 struct tc_netem_qopt { 544 __u32 latency; /* added delay (us) */ 545 __u32 limit; /* fifo limit (packets) */ 546 __u32 loss; /* random packet loss (0=none ~0=100%) */ 547 __u32 gap; /* re-ordering gap (0 for none) */ 548 __u32 duplicate; /* random packet dup (0=none ~0=100%) */ 549 __u32 jitter; /* random jitter in latency (us) */ 550 }; 551 552 struct tc_netem_corr { 553 __u32 delay_corr; /* delay correlation */ 554 __u32 loss_corr; /* packet loss correlation */ 555 __u32 dup_corr; /* duplicate correlation */ 556 }; 557 558 struct tc_netem_reorder { 559 __u32 probability; 560 __u32 correlation; 561 }; 562 563 struct tc_netem_corrupt { 564 __u32 probability; 565 __u32 correlation; 566 }; 567 568 struct tc_netem_rate { 569 __u32 rate; /* byte/s */ 570 __s32 packet_overhead; 571 __u32 cell_size; 572 __s32 cell_overhead; 573 }; 574 575 enum { 576 NETEM_LOSS_UNSPEC, 577 NETEM_LOSS_GI, /* General Intuitive - 4 state model */ 578 NETEM_LOSS_GE, /* Gilbert Elliot models */ 579 __NETEM_LOSS_MAX 580 }; 581 #define NETEM_LOSS_MAX (__NETEM_LOSS_MAX - 1) 582 583 /* State transition probabilities for 4 state model */ 584 struct tc_netem_gimodel { 585 __u32 p13; 586 __u32 p31; 587 __u32 p32; 588 __u32 p14; 589 __u32 p23; 590 }; 591 592 /* Gilbert-Elliot models */ 593 struct tc_netem_gemodel { 594 __u32 p; 595 __u32 r; 596 __u32 h; 597 __u32 k1; 598 }; 599 600 #define NETEM_DIST_SCALE 8192 601 #define NETEM_DIST_MAX 16384 602 603 /* DRR */ 604 605 enum { 606 TCA_DRR_UNSPEC, 607 TCA_DRR_QUANTUM, 608 __TCA_DRR_MAX 609 }; 610 611 #define TCA_DRR_MAX (__TCA_DRR_MAX - 1) 612 613 struct tc_drr_stats { 614 __u32 deficit; 615 }; 616 617 /* MQPRIO */ 618 #define TC_QOPT_BITMASK 15 619 #define TC_QOPT_MAX_QUEUE 16 620 621 enum { 622 TC_MQPRIO_HW_OFFLOAD_NONE, /* no offload requested */ 623 TC_MQPRIO_HW_OFFLOAD_TCS, /* offload TCs, no queue counts */ 624 __TC_MQPRIO_HW_OFFLOAD_MAX 625 }; 626 627 #define TC_MQPRIO_HW_OFFLOAD_MAX (__TC_MQPRIO_HW_OFFLOAD_MAX - 1) 628 629 struct tc_mqprio_qopt { 630 __u8 num_tc; 631 __u8 prio_tc_map[TC_QOPT_BITMASK + 1]; 632 __u8 hw; 633 __u16 count[TC_QOPT_MAX_QUEUE]; 634 __u16 offset[TC_QOPT_MAX_QUEUE]; 635 }; 636 637 /* SFB */ 638 639 enum { 640 TCA_SFB_UNSPEC, 641 TCA_SFB_PARMS, 642 __TCA_SFB_MAX, 643 }; 644 645 #define TCA_SFB_MAX (__TCA_SFB_MAX - 1) 646 647 /* 648 * Note: increment, decrement are Q0.16 fixed-point values. 649 */ 650 struct tc_sfb_qopt { 651 __u32 rehash_interval; /* delay between hash move, in ms */ 652 __u32 warmup_time; /* double buffering warmup time in ms (warmup_time < rehash_interval) */ 653 __u32 max; /* max len of qlen_min */ 654 __u32 bin_size; /* maximum queue length per bin */ 655 __u32 increment; /* probability increment, (d1 in Blue) */ 656 __u32 decrement; /* probability decrement, (d2 in Blue) */ 657 __u32 limit; /* max SFB queue length */ 658 __u32 penalty_rate; /* inelastic flows are rate limited to 'rate' pps */ 659 __u32 penalty_burst; 660 }; 661 662 struct tc_sfb_xstats { 663 __u32 earlydrop; 664 __u32 penaltydrop; 665 __u32 bucketdrop; 666 __u32 queuedrop; 667 __u32 childdrop; /* drops in child qdisc */ 668 __u32 marked; 669 __u32 maxqlen; 670 __u32 maxprob; 671 __u32 avgprob; 672 }; 673 674 #define SFB_MAX_PROB 0xFFFF 675 676 /* QFQ */ 677 enum { 678 TCA_QFQ_UNSPEC, 679 TCA_QFQ_WEIGHT, 680 TCA_QFQ_LMAX, 681 __TCA_QFQ_MAX 682 }; 683 684 #define TCA_QFQ_MAX (__TCA_QFQ_MAX - 1) 685 686 struct tc_qfq_stats { 687 __u32 weight; 688 __u32 lmax; 689 }; 690 691 /* CODEL */ 692 693 enum { 694 TCA_CODEL_UNSPEC, 695 TCA_CODEL_TARGET, 696 TCA_CODEL_LIMIT, 697 TCA_CODEL_INTERVAL, 698 TCA_CODEL_ECN, 699 TCA_CODEL_CE_THRESHOLD, 700 __TCA_CODEL_MAX 701 }; 702 703 #define TCA_CODEL_MAX (__TCA_CODEL_MAX - 1) 704 705 struct tc_codel_xstats { 706 __u32 maxpacket; /* largest packet we've seen so far */ 707 __u32 count; /* how many drops we've done since the last time we 708 * entered dropping state 709 */ 710 __u32 lastcount; /* count at entry to dropping state */ 711 __u32 ldelay; /* in-queue delay seen by most recently dequeued packet */ 712 __s32 drop_next; /* time to drop next packet */ 713 __u32 drop_overlimit; /* number of time max qdisc packet limit was hit */ 714 __u32 ecn_mark; /* number of packets we ECN marked instead of dropped */ 715 __u32 dropping; /* are we in dropping state ? */ 716 __u32 ce_mark; /* number of CE marked packets because of ce_threshold */ 717 }; 718 719 /* FQ_CODEL */ 720 721 enum { 722 TCA_FQ_CODEL_UNSPEC, 723 TCA_FQ_CODEL_TARGET, 724 TCA_FQ_CODEL_LIMIT, 725 TCA_FQ_CODEL_INTERVAL, 726 TCA_FQ_CODEL_ECN, 727 TCA_FQ_CODEL_FLOWS, 728 TCA_FQ_CODEL_QUANTUM, 729 TCA_FQ_CODEL_CE_THRESHOLD, 730 TCA_FQ_CODEL_DROP_BATCH_SIZE, 731 TCA_FQ_CODEL_MEMORY_LIMIT, 732 __TCA_FQ_CODEL_MAX 733 }; 734 735 #define TCA_FQ_CODEL_MAX (__TCA_FQ_CODEL_MAX - 1) 736 737 enum { 738 TCA_FQ_CODEL_XSTATS_QDISC, 739 TCA_FQ_CODEL_XSTATS_CLASS, 740 }; 741 742 struct tc_fq_codel_qd_stats { 743 __u32 maxpacket; /* largest packet we've seen so far */ 744 __u32 drop_overlimit; /* number of time max qdisc 745 * packet limit was hit 746 */ 747 __u32 ecn_mark; /* number of packets we ECN marked 748 * instead of being dropped 749 */ 750 __u32 new_flow_count; /* number of time packets 751 * created a 'new flow' 752 */ 753 __u32 new_flows_len; /* count of flows in new list */ 754 __u32 old_flows_len; /* count of flows in old list */ 755 __u32 ce_mark; /* packets above ce_threshold */ 756 __u32 memory_usage; /* in bytes */ 757 __u32 drop_overmemory; 758 }; 759 760 struct tc_fq_codel_cl_stats { 761 __s32 deficit; 762 __u32 ldelay; /* in-queue delay seen by most recently 763 * dequeued packet 764 */ 765 __u32 count; 766 __u32 lastcount; 767 __u32 dropping; 768 __s32 drop_next; 769 }; 770 771 struct tc_fq_codel_xstats { 772 __u32 type; 773 union { 774 struct tc_fq_codel_qd_stats qdisc_stats; 775 struct tc_fq_codel_cl_stats class_stats; 776 }; 777 }; 778 779 /* FQ */ 780 781 enum { 782 TCA_FQ_UNSPEC, 783 784 TCA_FQ_PLIMIT, /* limit of total number of packets in queue */ 785 786 TCA_FQ_FLOW_PLIMIT, /* limit of packets per flow */ 787 788 TCA_FQ_QUANTUM, /* RR quantum */ 789 790 TCA_FQ_INITIAL_QUANTUM, /* RR quantum for new flow */ 791 792 TCA_FQ_RATE_ENABLE, /* enable/disable rate limiting */ 793 794 TCA_FQ_FLOW_DEFAULT_RATE,/* obsolete, do not use */ 795 796 TCA_FQ_FLOW_MAX_RATE, /* per flow max rate */ 797 798 TCA_FQ_BUCKETS_LOG, /* log2(number of buckets) */ 799 800 TCA_FQ_FLOW_REFILL_DELAY, /* flow credit refill delay in usec */ 801 802 TCA_FQ_ORPHAN_MASK, /* mask applied to orphaned skb hashes */ 803 804 TCA_FQ_LOW_RATE_THRESHOLD, /* per packet delay under this rate */ 805 806 __TCA_FQ_MAX 807 }; 808 809 #define TCA_FQ_MAX (__TCA_FQ_MAX - 1) 810 811 struct tc_fq_qd_stats { 812 __u64 gc_flows; 813 __u64 highprio_packets; 814 __u64 tcp_retrans; 815 __u64 throttled; 816 __u64 flows_plimit; 817 __u64 pkts_too_long; 818 __u64 allocation_errors; 819 __s64 time_next_delayed_flow; 820 __u32 flows; 821 __u32 inactive_flows; 822 __u32 throttled_flows; 823 __u32 unthrottle_latency_ns; 824 }; 825 826 /* Heavy-Hitter Filter */ 827 828 enum { 829 TCA_HHF_UNSPEC, 830 TCA_HHF_BACKLOG_LIMIT, 831 TCA_HHF_QUANTUM, 832 TCA_HHF_HH_FLOWS_LIMIT, 833 TCA_HHF_RESET_TIMEOUT, 834 TCA_HHF_ADMIT_BYTES, 835 TCA_HHF_EVICT_TIMEOUT, 836 TCA_HHF_NON_HH_WEIGHT, 837 __TCA_HHF_MAX 838 }; 839 840 #define TCA_HHF_MAX (__TCA_HHF_MAX - 1) 841 842 struct tc_hhf_xstats { 843 __u32 drop_overlimit; /* number of times max qdisc packet limit 844 * was hit 845 */ 846 __u32 hh_overlimit; /* number of times max heavy-hitters was hit */ 847 __u32 hh_tot_count; /* number of captured heavy-hitters so far */ 848 __u32 hh_cur_count; /* number of current heavy-hitters */ 849 }; 850 851 /* PIE */ 852 enum { 853 TCA_PIE_UNSPEC, 854 TCA_PIE_TARGET, 855 TCA_PIE_LIMIT, 856 TCA_PIE_TUPDATE, 857 TCA_PIE_ALPHA, 858 TCA_PIE_BETA, 859 TCA_PIE_ECN, 860 TCA_PIE_BYTEMODE, 861 __TCA_PIE_MAX 862 }; 863 #define TCA_PIE_MAX (__TCA_PIE_MAX - 1) 864 865 struct tc_pie_xstats { 866 __u32 prob; /* current probability */ 867 __u32 delay; /* current delay in ms */ 868 __u32 avg_dq_rate; /* current average dq_rate in bits/pie_time */ 869 __u32 packets_in; /* total number of packets enqueued */ 870 __u32 dropped; /* packets dropped due to pie_action */ 871 __u32 overlimit; /* dropped due to lack of space in queue */ 872 __u32 maxq; /* maximum queue size */ 873 __u32 ecn_mark; /* packets marked with ecn*/ 874 }; 875 #endif 876
