include/uapi/linux/pkt_sched.h

   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