linux-headers (unknown)

(root)/
include/
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/const.h>
       6  #include <linux/types.h>
       7  
       8  /* Logical priority bands not depending on specific packet scheduler.
       9     Every scheduler will map them to real traffic classes, if it has
      10     no more precise mechanism to classify packets.
      11  
      12     These numbers have no special meaning, though their coincidence
      13     with obsolete IPv6 values is not occasional :-). New IPv6 drafts
      14     preferred full anarchy inspired by diffserv group.
      15  
      16     Note: TC_PRIO_BESTEFFORT does not mean that it is the most unhappy
      17     class, actually, as rule it will be handled with more care than
      18     filler or even bulk.
      19   */
      20  
      21  #define TC_PRIO_BESTEFFORT		0
      22  #define TC_PRIO_FILLER			1
      23  #define TC_PRIO_BULK			2
      24  #define TC_PRIO_INTERACTIVE_BULK	4
      25  #define TC_PRIO_INTERACTIVE		6
      26  #define TC_PRIO_CONTROL			7
      27  
      28  #define TC_PRIO_MAX			15
      29  
      30  /* Generic queue statistics, available for all the elements.
      31     Particular schedulers may have also their private records.
      32   */
      33  
      34  struct tc_stats {
      35  	__u64	bytes;			/* Number of enqueued bytes */
      36  	__u32	packets;		/* Number of enqueued packets	*/
      37  	__u32	drops;			/* Packets dropped because of lack of resources */
      38  	__u32	overlimits;		/* Number of throttle events when this
      39  					 * flow goes out of allocated bandwidth */
      40  	__u32	bps;			/* Current flow byte rate */
      41  	__u32	pps;			/* Current flow packet rate */
      42  	__u32	qlen;
      43  	__u32	backlog;
      44  };
      45  
      46  struct tc_estimator {
      47  	signed char	interval;
      48  	unsigned char	ewma_log;
      49  };
      50  
      51  /* "Handles"
      52     ---------
      53  
      54      All the traffic control objects have 32bit identifiers, or "handles".
      55  
      56      They can be considered as opaque numbers from user API viewpoint,
      57      but actually they always consist of two fields: major and
      58      minor numbers, which are interpreted by kernel specially,
      59      that may be used by applications, though not recommended.
      60  
      61      F.e. qdisc handles always have minor number equal to zero,
      62      classes (or flows) have major equal to parent qdisc major, and
      63      minor uniquely identifying class inside qdisc.
      64  
      65      Macros to manipulate handles:
      66   */
      67  
      68  #define TC_H_MAJ_MASK (0xFFFF0000U)
      69  #define TC_H_MIN_MASK (0x0000FFFFU)
      70  #define TC_H_MAJ(h) ((h)&TC_H_MAJ_MASK)
      71  #define TC_H_MIN(h) ((h)&TC_H_MIN_MASK)
      72  #define TC_H_MAKE(maj,min) (((maj)&TC_H_MAJ_MASK)|((min)&TC_H_MIN_MASK))
      73  
      74  #define TC_H_UNSPEC	(0U)
      75  #define TC_H_ROOT	(0xFFFFFFFFU)
      76  #define TC_H_INGRESS    (0xFFFFFFF1U)
      77  #define TC_H_CLSACT	TC_H_INGRESS
      78  
      79  #define TC_H_MIN_PRIORITY	0xFFE0U
      80  #define TC_H_MIN_INGRESS	0xFFF2U
      81  #define TC_H_MIN_EGRESS		0xFFF3U
      82  
      83  /* Need to corrospond to iproute2 tc/tc_core.h "enum link_layer" */
      84  enum tc_link_layer {
      85  	TC_LINKLAYER_UNAWARE, /* Indicate unaware old iproute2 util */
      86  	TC_LINKLAYER_ETHERNET,
      87  	TC_LINKLAYER_ATM,
      88  };
      89  #define TC_LINKLAYER_MASK 0x0F /* limit use to lower 4 bits */
      90  
      91  struct tc_ratespec {
      92  	unsigned char	cell_log;
      93  	__u8		linklayer; /* lower 4 bits */
      94  	unsigned short	overhead;
      95  	short		cell_align;
      96  	unsigned short	mpu;
      97  	__u32		rate;
      98  };
      99  
     100  #define TC_RTAB_SIZE	1024
     101  
     102  struct tc_sizespec {
     103  	unsigned char	cell_log;
     104  	unsigned char	size_log;
     105  	short		cell_align;
     106  	int		overhead;
     107  	unsigned int	linklayer;
     108  	unsigned int	mpu;
     109  	unsigned int	mtu;
     110  	unsigned int	tsize;
     111  };
     112  
     113  enum {
     114  	TCA_STAB_UNSPEC,
     115  	TCA_STAB_BASE,
     116  	TCA_STAB_DATA,
     117  	__TCA_STAB_MAX
     118  };
     119  
     120  #define TCA_STAB_MAX (__TCA_STAB_MAX - 1)
     121  
     122  /* FIFO section */
     123  
     124  struct tc_fifo_qopt {
     125  	__u32	limit;	/* Queue length: bytes for bfifo, packets for pfifo */
     126  };
     127  
     128  /* SKBPRIO section */
     129  
     130  /*
     131   * Priorities go from zero to (SKBPRIO_MAX_PRIORITY - 1).
     132   * SKBPRIO_MAX_PRIORITY should be at least 64 in order for skbprio to be able
     133   * to map one to one the DS field of IPV4 and IPV6 headers.
     134   * Memory allocation grows linearly with SKBPRIO_MAX_PRIORITY.
     135   */
     136  
     137  #define SKBPRIO_MAX_PRIORITY 64
     138  
     139  struct tc_skbprio_qopt {
     140  	__u32	limit;		/* Queue length in packets. */
     141  };
     142  
     143  /* PRIO section */
     144  
     145  #define TCQ_PRIO_BANDS	16
     146  #define TCQ_MIN_PRIO_BANDS 2
     147  
     148  struct tc_prio_qopt {
     149  	int	bands;			/* Number of bands */
     150  	__u8	priomap[TC_PRIO_MAX+1];	/* Map: logical priority -> PRIO band */
     151  };
     152  
     153  /* MULTIQ section */
     154  
     155  struct tc_multiq_qopt {
     156  	__u16	bands;			/* Number of bands */
     157  	__u16	max_bands;		/* Maximum number of queues */
     158  };
     159  
     160  /* PLUG section */
     161  
     162  #define TCQ_PLUG_BUFFER                0
     163  #define TCQ_PLUG_RELEASE_ONE           1
     164  #define TCQ_PLUG_RELEASE_INDEFINITE    2
     165  #define TCQ_PLUG_LIMIT                 3
     166  
     167  struct tc_plug_qopt {
     168  	/* TCQ_PLUG_BUFFER: Inset a plug into the queue and
     169  	 *  buffer any incoming packets
     170  	 * TCQ_PLUG_RELEASE_ONE: Dequeue packets from queue head
     171  	 *   to beginning of the next plug.
     172  	 * TCQ_PLUG_RELEASE_INDEFINITE: Dequeue all packets from queue.
     173  	 *   Stop buffering packets until the next TCQ_PLUG_BUFFER
     174  	 *   command is received (just act as a pass-thru queue).
     175  	 * TCQ_PLUG_LIMIT: Increase/decrease queue size
     176  	 */
     177  	int             action;
     178  	__u32           limit;
     179  };
     180  
     181  /* TBF section */
     182  
     183  struct tc_tbf_qopt {
     184  	struct tc_ratespec rate;
     185  	struct tc_ratespec peakrate;
     186  	__u32		limit;
     187  	__u32		buffer;
     188  	__u32		mtu;
     189  };
     190  
     191  enum {
     192  	TCA_TBF_UNSPEC,
     193  	TCA_TBF_PARMS,
     194  	TCA_TBF_RTAB,
     195  	TCA_TBF_PTAB,
     196  	TCA_TBF_RATE64,
     197  	TCA_TBF_PRATE64,
     198  	TCA_TBF_BURST,
     199  	TCA_TBF_PBURST,
     200  	TCA_TBF_PAD,
     201  	__TCA_TBF_MAX,
     202  };
     203  
     204  #define TCA_TBF_MAX (__TCA_TBF_MAX - 1)
     205  
     206  
     207  /* TEQL section */
     208  
     209  /* TEQL does not require any parameters */
     210  
     211  /* SFQ section */
     212  
     213  struct tc_sfq_qopt {
     214  	unsigned	quantum;	/* Bytes per round allocated to flow */
     215  	int		perturb_period;	/* Period of hash perturbation */
     216  	__u32		limit;		/* Maximal packets in queue */
     217  	unsigned	divisor;	/* Hash divisor  */
     218  	unsigned	flows;		/* Maximal number of flows  */
     219  };
     220  
     221  struct tc_sfqred_stats {
     222  	__u32           prob_drop;      /* Early drops, below max threshold */
     223  	__u32           forced_drop;	/* Early drops, after max threshold */
     224  	__u32           prob_mark;      /* Marked packets, below max threshold */
     225  	__u32           forced_mark;    /* Marked packets, after max threshold */
     226  	__u32           prob_mark_head; /* Marked packets, below max threshold */
     227  	__u32           forced_mark_head;/* Marked packets, after max threshold */
     228  };
     229  
     230  struct tc_sfq_qopt_v1 {
     231  	struct tc_sfq_qopt v0;
     232  	unsigned int	depth;		/* max number of packets per flow */
     233  	unsigned int	headdrop;
     234  /* SFQRED parameters */
     235  	__u32		limit;		/* HARD maximal flow queue length (bytes) */
     236  	__u32		qth_min;	/* Min average length threshold (bytes) */
     237  	__u32		qth_max;	/* Max average length threshold (bytes) */
     238  	unsigned char   Wlog;		/* log(W)		*/
     239  	unsigned char   Plog;		/* log(P_max/(qth_max-qth_min))	*/
     240  	unsigned char   Scell_log;	/* cell size for idle damping */
     241  	unsigned char	flags;
     242  	__u32		max_P;		/* probability, high resolution */
     243  /* SFQRED stats */
     244  	struct tc_sfqred_stats stats;
     245  };
     246  
     247  
     248  struct tc_sfq_xstats {
     249  	__s32		allot;
     250  };
     251  
     252  /* RED section */
     253  
     254  enum {
     255  	TCA_RED_UNSPEC,
     256  	TCA_RED_PARMS,
     257  	TCA_RED_STAB,
     258  	TCA_RED_MAX_P,
     259  	TCA_RED_FLAGS,		/* bitfield32 */
     260  	TCA_RED_EARLY_DROP_BLOCK, /* u32 */
     261  	TCA_RED_MARK_BLOCK,	/* u32 */
     262  	__TCA_RED_MAX,
     263  };
     264  
     265  #define TCA_RED_MAX (__TCA_RED_MAX - 1)
     266  
     267  struct tc_red_qopt {
     268  	__u32		limit;		/* HARD maximal queue length (bytes)	*/
     269  	__u32		qth_min;	/* Min average length threshold (bytes) */
     270  	__u32		qth_max;	/* Max average length threshold (bytes) */
     271  	unsigned char   Wlog;		/* log(W)		*/
     272  	unsigned char   Plog;		/* log(P_max/(qth_max-qth_min))	*/
     273  	unsigned char   Scell_log;	/* cell size for idle damping */
     274  
     275  	/* This field can be used for flags that a RED-like qdisc has
     276  	 * historically supported. E.g. when configuring RED, it can be used for
     277  	 * ECN, HARDDROP and ADAPTATIVE. For SFQ it can be used for ECN,
     278  	 * HARDDROP. Etc. Because this field has not been validated, and is
     279  	 * copied back on dump, any bits besides those to which a given qdisc
     280  	 * has assigned a historical meaning need to be considered for free use
     281  	 * by userspace tools.
     282  	 *
     283  	 * Any further flags need to be passed differently, e.g. through an
     284  	 * attribute (such as TCA_RED_FLAGS above). Such attribute should allow
     285  	 * passing both recent and historic flags in one value.
     286  	 */
     287  	unsigned char	flags;
     288  #define TC_RED_ECN		1
     289  #define TC_RED_HARDDROP		2
     290  #define TC_RED_ADAPTATIVE	4
     291  #define TC_RED_NODROP		8
     292  };
     293  
     294  #define TC_RED_HISTORIC_FLAGS (TC_RED_ECN | TC_RED_HARDDROP | TC_RED_ADAPTATIVE)
     295  
     296  struct tc_red_xstats {
     297  	__u32           early;          /* Early drops */
     298  	__u32           pdrop;          /* Drops due to queue limits */
     299  	__u32           other;          /* Drops due to drop() calls */
     300  	__u32           marked;         /* Marked packets */
     301  };
     302  
     303  /* GRED section */
     304  
     305  #define MAX_DPs 16
     306  
     307  enum {
     308         TCA_GRED_UNSPEC,
     309         TCA_GRED_PARMS,
     310         TCA_GRED_STAB,
     311         TCA_GRED_DPS,
     312         TCA_GRED_MAX_P,
     313         TCA_GRED_LIMIT,
     314         TCA_GRED_VQ_LIST,	/* nested TCA_GRED_VQ_ENTRY */
     315         __TCA_GRED_MAX,
     316  };
     317  
     318  #define TCA_GRED_MAX (__TCA_GRED_MAX - 1)
     319  
     320  enum {
     321  	TCA_GRED_VQ_ENTRY_UNSPEC,
     322  	TCA_GRED_VQ_ENTRY,	/* nested TCA_GRED_VQ_* */
     323  	__TCA_GRED_VQ_ENTRY_MAX,
     324  };
     325  #define TCA_GRED_VQ_ENTRY_MAX (__TCA_GRED_VQ_ENTRY_MAX - 1)
     326  
     327  enum {
     328  	TCA_GRED_VQ_UNSPEC,
     329  	TCA_GRED_VQ_PAD,
     330  	TCA_GRED_VQ_DP,			/* u32 */
     331  	TCA_GRED_VQ_STAT_BYTES,		/* u64 */
     332  	TCA_GRED_VQ_STAT_PACKETS,	/* u32 */
     333  	TCA_GRED_VQ_STAT_BACKLOG,	/* u32 */
     334  	TCA_GRED_VQ_STAT_PROB_DROP,	/* u32 */
     335  	TCA_GRED_VQ_STAT_PROB_MARK,	/* u32 */
     336  	TCA_GRED_VQ_STAT_FORCED_DROP,	/* u32 */
     337  	TCA_GRED_VQ_STAT_FORCED_MARK,	/* u32 */
     338  	TCA_GRED_VQ_STAT_PDROP,		/* u32 */
     339  	TCA_GRED_VQ_STAT_OTHER,		/* u32 */
     340  	TCA_GRED_VQ_FLAGS,		/* u32 */
     341  	__TCA_GRED_VQ_MAX
     342  };
     343  
     344  #define TCA_GRED_VQ_MAX (__TCA_GRED_VQ_MAX - 1)
     345  
     346  struct tc_gred_qopt {
     347  	__u32		limit;        /* HARD maximal queue length (bytes)    */
     348  	__u32		qth_min;      /* Min average length threshold (bytes) */
     349  	__u32		qth_max;      /* Max average length threshold (bytes) */
     350  	__u32		DP;           /* up to 2^32 DPs */
     351  	__u32		backlog;
     352  	__u32		qave;
     353  	__u32		forced;
     354  	__u32		early;
     355  	__u32		other;
     356  	__u32		pdrop;
     357  	__u8		Wlog;         /* log(W)               */
     358  	__u8		Plog;         /* log(P_max/(qth_max-qth_min)) */
     359  	__u8		Scell_log;    /* cell size for idle damping */
     360  	__u8		prio;         /* prio of this VQ */
     361  	__u32		packets;
     362  	__u32		bytesin;
     363  };
     364  
     365  /* gred setup */
     366  struct tc_gred_sopt {
     367  	__u32		DPs;
     368  	__u32		def_DP;
     369  	__u8		grio;
     370  	__u8		flags;
     371  	__u16		pad1;
     372  };
     373  
     374  /* CHOKe section */
     375  
     376  enum {
     377  	TCA_CHOKE_UNSPEC,
     378  	TCA_CHOKE_PARMS,
     379  	TCA_CHOKE_STAB,
     380  	TCA_CHOKE_MAX_P,
     381  	__TCA_CHOKE_MAX,
     382  };
     383  
     384  #define TCA_CHOKE_MAX (__TCA_CHOKE_MAX - 1)
     385  
     386  struct tc_choke_qopt {
     387  	__u32		limit;		/* Hard queue length (packets)	*/
     388  	__u32		qth_min;	/* Min average threshold (packets) */
     389  	__u32		qth_max;	/* Max average threshold (packets) */
     390  	unsigned char   Wlog;		/* log(W)		*/
     391  	unsigned char   Plog;		/* log(P_max/(qth_max-qth_min))	*/
     392  	unsigned char   Scell_log;	/* cell size for idle damping */
     393  	unsigned char	flags;		/* see RED flags */
     394  };
     395  
     396  struct tc_choke_xstats {
     397  	__u32		early;          /* Early drops */
     398  	__u32		pdrop;          /* Drops due to queue limits */
     399  	__u32		other;          /* Drops due to drop() calls */
     400  	__u32		marked;         /* Marked packets */
     401  	__u32		matched;	/* Drops due to flow match */
     402  };
     403  
     404  /* HTB section */
     405  #define TC_HTB_NUMPRIO		8
     406  #define TC_HTB_MAXDEPTH		8
     407  #define TC_HTB_PROTOVER		3 /* the same as HTB and TC's major */
     408  
     409  struct tc_htb_opt {
     410  	struct tc_ratespec 	rate;
     411  	struct tc_ratespec 	ceil;
     412  	__u32	buffer;
     413  	__u32	cbuffer;
     414  	__u32	quantum;
     415  	__u32	level;		/* out only */
     416  	__u32	prio;
     417  };
     418  struct tc_htb_glob {
     419  	__u32 version;		/* to match HTB/TC */
     420      	__u32 rate2quantum;	/* bps->quantum divisor */
     421      	__u32 defcls;		/* default class number */
     422  	__u32 debug;		/* debug flags */
     423  
     424  	/* stats */
     425  	__u32 direct_pkts; /* count of non shaped packets */
     426  };
     427  enum {
     428  	TCA_HTB_UNSPEC,
     429  	TCA_HTB_PARMS,
     430  	TCA_HTB_INIT,
     431  	TCA_HTB_CTAB,
     432  	TCA_HTB_RTAB,
     433  	TCA_HTB_DIRECT_QLEN,
     434  	TCA_HTB_RATE64,
     435  	TCA_HTB_CEIL64,
     436  	TCA_HTB_PAD,
     437  	TCA_HTB_OFFLOAD,
     438  	__TCA_HTB_MAX,
     439  };
     440  
     441  #define TCA_HTB_MAX (__TCA_HTB_MAX - 1)
     442  
     443  struct tc_htb_xstats {
     444  	__u32 lends;
     445  	__u32 borrows;
     446  	__u32 giants;	/* unused since 'Make HTB scheduler work with TSO.' */
     447  	__s32 tokens;
     448  	__s32 ctokens;
     449  };
     450  
     451  /* HFSC section */
     452  
     453  struct tc_hfsc_qopt {
     454  	__u16	defcls;		/* default class */
     455  };
     456  
     457  struct tc_service_curve {
     458  	__u32	m1;		/* slope of the first segment in bps */
     459  	__u32	d;		/* x-projection of the first segment in us */
     460  	__u32	m2;		/* slope of the second segment in bps */
     461  };
     462  
     463  struct tc_hfsc_stats {
     464  	__u64	work;		/* total work done */
     465  	__u64	rtwork;		/* work done by real-time criteria */
     466  	__u32	period;		/* current period */
     467  	__u32	level;		/* class level in hierarchy */
     468  };
     469  
     470  enum {
     471  	TCA_HFSC_UNSPEC,
     472  	TCA_HFSC_RSC,
     473  	TCA_HFSC_FSC,
     474  	TCA_HFSC_USC,
     475  	__TCA_HFSC_MAX,
     476  };
     477  
     478  #define TCA_HFSC_MAX (__TCA_HFSC_MAX - 1)
     479  
     480  
     481  /* CBQ section */
     482  
     483  #define TC_CBQ_MAXPRIO		8
     484  #define TC_CBQ_MAXLEVEL		8
     485  #define TC_CBQ_DEF_EWMA		5
     486  
     487  struct tc_cbq_lssopt {
     488  	unsigned char	change;
     489  	unsigned char	flags;
     490  #define TCF_CBQ_LSS_BOUNDED	1
     491  #define TCF_CBQ_LSS_ISOLATED	2
     492  	unsigned char  	ewma_log;
     493  	unsigned char  	level;
     494  #define TCF_CBQ_LSS_FLAGS	1
     495  #define TCF_CBQ_LSS_EWMA	2
     496  #define TCF_CBQ_LSS_MAXIDLE	4
     497  #define TCF_CBQ_LSS_MINIDLE	8
     498  #define TCF_CBQ_LSS_OFFTIME	0x10
     499  #define TCF_CBQ_LSS_AVPKT	0x20
     500  	__u32		maxidle;
     501  	__u32		minidle;
     502  	__u32		offtime;
     503  	__u32		avpkt;
     504  };
     505  
     506  struct tc_cbq_wrropt {
     507  	unsigned char	flags;
     508  	unsigned char	priority;
     509  	unsigned char	cpriority;
     510  	unsigned char	__reserved;
     511  	__u32		allot;
     512  	__u32		weight;
     513  };
     514  
     515  struct tc_cbq_ovl {
     516  	unsigned char	strategy;
     517  #define	TC_CBQ_OVL_CLASSIC	0
     518  #define	TC_CBQ_OVL_DELAY	1
     519  #define	TC_CBQ_OVL_LOWPRIO	2
     520  #define	TC_CBQ_OVL_DROP		3
     521  #define	TC_CBQ_OVL_RCLASSIC	4
     522  	unsigned char	priority2;
     523  	__u16		pad;
     524  	__u32		penalty;
     525  };
     526  
     527  struct tc_cbq_police {
     528  	unsigned char	police;
     529  	unsigned char	__res1;
     530  	unsigned short	__res2;
     531  };
     532  
     533  struct tc_cbq_fopt {
     534  	__u32		split;
     535  	__u32		defmap;
     536  	__u32		defchange;
     537  };
     538  
     539  struct tc_cbq_xstats {
     540  	__u32		borrows;
     541  	__u32		overactions;
     542  	__s32		avgidle;
     543  	__s32		undertime;
     544  };
     545  
     546  enum {
     547  	TCA_CBQ_UNSPEC,
     548  	TCA_CBQ_LSSOPT,
     549  	TCA_CBQ_WRROPT,
     550  	TCA_CBQ_FOPT,
     551  	TCA_CBQ_OVL_STRATEGY,
     552  	TCA_CBQ_RATE,
     553  	TCA_CBQ_RTAB,
     554  	TCA_CBQ_POLICE,
     555  	__TCA_CBQ_MAX,
     556  };
     557  
     558  #define TCA_CBQ_MAX	(__TCA_CBQ_MAX - 1)
     559  
     560  /* dsmark section */
     561  
     562  enum {
     563  	TCA_DSMARK_UNSPEC,
     564  	TCA_DSMARK_INDICES,
     565  	TCA_DSMARK_DEFAULT_INDEX,
     566  	TCA_DSMARK_SET_TC_INDEX,
     567  	TCA_DSMARK_MASK,
     568  	TCA_DSMARK_VALUE,
     569  	__TCA_DSMARK_MAX,
     570  };
     571  
     572  #define TCA_DSMARK_MAX (__TCA_DSMARK_MAX - 1)
     573  
     574  /* ATM  section */
     575  
     576  enum {
     577  	TCA_ATM_UNSPEC,
     578  	TCA_ATM_FD,		/* file/socket descriptor */
     579  	TCA_ATM_PTR,		/* pointer to descriptor - later */
     580  	TCA_ATM_HDR,		/* LL header */
     581  	TCA_ATM_EXCESS,		/* excess traffic class (0 for CLP)  */
     582  	TCA_ATM_ADDR,		/* PVC address (for output only) */
     583  	TCA_ATM_STATE,		/* VC state (ATM_VS_*; for output only) */
     584  	__TCA_ATM_MAX,
     585  };
     586  
     587  #define TCA_ATM_MAX	(__TCA_ATM_MAX - 1)
     588  
     589  /* Network emulator */
     590  
     591  enum {
     592  	TCA_NETEM_UNSPEC,
     593  	TCA_NETEM_CORR,
     594  	TCA_NETEM_DELAY_DIST,
     595  	TCA_NETEM_REORDER,
     596  	TCA_NETEM_CORRUPT,
     597  	TCA_NETEM_LOSS,
     598  	TCA_NETEM_RATE,
     599  	TCA_NETEM_ECN,
     600  	TCA_NETEM_RATE64,
     601  	TCA_NETEM_PAD,
     602  	TCA_NETEM_LATENCY64,
     603  	TCA_NETEM_JITTER64,
     604  	TCA_NETEM_SLOT,
     605  	TCA_NETEM_SLOT_DIST,
     606  	__TCA_NETEM_MAX,
     607  };
     608  
     609  #define TCA_NETEM_MAX (__TCA_NETEM_MAX - 1)
     610  
     611  struct tc_netem_qopt {
     612  	__u32	latency;	/* added delay (us) */
     613  	__u32   limit;		/* fifo limit (packets) */
     614  	__u32	loss;		/* random packet loss (0=none ~0=100%) */
     615  	__u32	gap;		/* re-ordering gap (0 for none) */
     616  	__u32   duplicate;	/* random packet dup  (0=none ~0=100%) */
     617  	__u32	jitter;		/* random jitter in latency (us) */
     618  };
     619  
     620  struct tc_netem_corr {
     621  	__u32	delay_corr;	/* delay correlation */
     622  	__u32	loss_corr;	/* packet loss correlation */
     623  	__u32	dup_corr;	/* duplicate correlation  */
     624  };
     625  
     626  struct tc_netem_reorder {
     627  	__u32	probability;
     628  	__u32	correlation;
     629  };
     630  
     631  struct tc_netem_corrupt {
     632  	__u32	probability;
     633  	__u32	correlation;
     634  };
     635  
     636  struct tc_netem_rate {
     637  	__u32	rate;	/* byte/s */
     638  	__s32	packet_overhead;
     639  	__u32	cell_size;
     640  	__s32	cell_overhead;
     641  };
     642  
     643  struct tc_netem_slot {
     644  	__s64   min_delay; /* nsec */
     645  	__s64   max_delay;
     646  	__s32   max_packets;
     647  	__s32   max_bytes;
     648  	__s64	dist_delay; /* nsec */
     649  	__s64	dist_jitter; /* nsec */
     650  };
     651  
     652  enum {
     653  	NETEM_LOSS_UNSPEC,
     654  	NETEM_LOSS_GI,		/* General Intuitive - 4 state model */
     655  	NETEM_LOSS_GE,		/* Gilbert Elliot models */
     656  	__NETEM_LOSS_MAX
     657  };
     658  #define NETEM_LOSS_MAX (__NETEM_LOSS_MAX - 1)
     659  
     660  /* State transition probabilities for 4 state model */
     661  struct tc_netem_gimodel {
     662  	__u32	p13;
     663  	__u32	p31;
     664  	__u32	p32;
     665  	__u32	p14;
     666  	__u32	p23;
     667  };
     668  
     669  /* Gilbert-Elliot models */
     670  struct tc_netem_gemodel {
     671  	__u32 p;
     672  	__u32 r;
     673  	__u32 h;
     674  	__u32 k1;
     675  };
     676  
     677  #define NETEM_DIST_SCALE	8192
     678  #define NETEM_DIST_MAX		16384
     679  
     680  /* DRR */
     681  
     682  enum {
     683  	TCA_DRR_UNSPEC,
     684  	TCA_DRR_QUANTUM,
     685  	__TCA_DRR_MAX
     686  };
     687  
     688  #define TCA_DRR_MAX	(__TCA_DRR_MAX - 1)
     689  
     690  struct tc_drr_stats {
     691  	__u32	deficit;
     692  };
     693  
     694  /* MQPRIO */
     695  #define TC_QOPT_BITMASK 15
     696  #define TC_QOPT_MAX_QUEUE 16
     697  
     698  enum {
     699  	TC_MQPRIO_HW_OFFLOAD_NONE,	/* no offload requested */
     700  	TC_MQPRIO_HW_OFFLOAD_TCS,	/* offload TCs, no queue counts */
     701  	__TC_MQPRIO_HW_OFFLOAD_MAX
     702  };
     703  
     704  #define TC_MQPRIO_HW_OFFLOAD_MAX (__TC_MQPRIO_HW_OFFLOAD_MAX - 1)
     705  
     706  enum {
     707  	TC_MQPRIO_MODE_DCB,
     708  	TC_MQPRIO_MODE_CHANNEL,
     709  	__TC_MQPRIO_MODE_MAX
     710  };
     711  
     712  #define __TC_MQPRIO_MODE_MAX (__TC_MQPRIO_MODE_MAX - 1)
     713  
     714  enum {
     715  	TC_MQPRIO_SHAPER_DCB,
     716  	TC_MQPRIO_SHAPER_BW_RATE,	/* Add new shapers below */
     717  	__TC_MQPRIO_SHAPER_MAX
     718  };
     719  
     720  #define __TC_MQPRIO_SHAPER_MAX (__TC_MQPRIO_SHAPER_MAX - 1)
     721  
     722  enum {
     723  	TC_FP_EXPRESS = 1,
     724  	TC_FP_PREEMPTIBLE = 2,
     725  };
     726  
     727  struct tc_mqprio_qopt {
     728  	__u8	num_tc;
     729  	__u8	prio_tc_map[TC_QOPT_BITMASK + 1];
     730  	__u8	hw;
     731  	__u16	count[TC_QOPT_MAX_QUEUE];
     732  	__u16	offset[TC_QOPT_MAX_QUEUE];
     733  };
     734  
     735  #define TC_MQPRIO_F_MODE		0x1
     736  #define TC_MQPRIO_F_SHAPER		0x2
     737  #define TC_MQPRIO_F_MIN_RATE		0x4
     738  #define TC_MQPRIO_F_MAX_RATE		0x8
     739  
     740  enum {
     741  	TCA_MQPRIO_TC_ENTRY_UNSPEC,
     742  	TCA_MQPRIO_TC_ENTRY_INDEX,		/* u32 */
     743  	TCA_MQPRIO_TC_ENTRY_FP,			/* u32 */
     744  
     745  	/* add new constants above here */
     746  	__TCA_MQPRIO_TC_ENTRY_CNT,
     747  	TCA_MQPRIO_TC_ENTRY_MAX = (__TCA_MQPRIO_TC_ENTRY_CNT - 1)
     748  };
     749  
     750  enum {
     751  	TCA_MQPRIO_UNSPEC,
     752  	TCA_MQPRIO_MODE,
     753  	TCA_MQPRIO_SHAPER,
     754  	TCA_MQPRIO_MIN_RATE64,
     755  	TCA_MQPRIO_MAX_RATE64,
     756  	TCA_MQPRIO_TC_ENTRY,
     757  	__TCA_MQPRIO_MAX,
     758  };
     759  
     760  #define TCA_MQPRIO_MAX (__TCA_MQPRIO_MAX - 1)
     761  
     762  /* SFB */
     763  
     764  enum {
     765  	TCA_SFB_UNSPEC,
     766  	TCA_SFB_PARMS,
     767  	__TCA_SFB_MAX,
     768  };
     769  
     770  #define TCA_SFB_MAX (__TCA_SFB_MAX - 1)
     771  
     772  /*
     773   * Note: increment, decrement are Q0.16 fixed-point values.
     774   */
     775  struct tc_sfb_qopt {
     776  	__u32 rehash_interval;	/* delay between hash move, in ms */
     777  	__u32 warmup_time;	/* double buffering warmup time in ms (warmup_time < rehash_interval) */
     778  	__u32 max;		/* max len of qlen_min */
     779  	__u32 bin_size;		/* maximum queue length per bin */
     780  	__u32 increment;	/* probability increment, (d1 in Blue) */
     781  	__u32 decrement;	/* probability decrement, (d2 in Blue) */
     782  	__u32 limit;		/* max SFB queue length */
     783  	__u32 penalty_rate;	/* inelastic flows are rate limited to 'rate' pps */
     784  	__u32 penalty_burst;
     785  };
     786  
     787  struct tc_sfb_xstats {
     788  	__u32 earlydrop;
     789  	__u32 penaltydrop;
     790  	__u32 bucketdrop;
     791  	__u32 queuedrop;
     792  	__u32 childdrop; /* drops in child qdisc */
     793  	__u32 marked;
     794  	__u32 maxqlen;
     795  	__u32 maxprob;
     796  	__u32 avgprob;
     797  };
     798  
     799  #define SFB_MAX_PROB 0xFFFF
     800  
     801  /* QFQ */
     802  enum {
     803  	TCA_QFQ_UNSPEC,
     804  	TCA_QFQ_WEIGHT,
     805  	TCA_QFQ_LMAX,
     806  	__TCA_QFQ_MAX
     807  };
     808  
     809  #define TCA_QFQ_MAX	(__TCA_QFQ_MAX - 1)
     810  
     811  struct tc_qfq_stats {
     812  	__u32 weight;
     813  	__u32 lmax;
     814  };
     815  
     816  /* CODEL */
     817  
     818  enum {
     819  	TCA_CODEL_UNSPEC,
     820  	TCA_CODEL_TARGET,
     821  	TCA_CODEL_LIMIT,
     822  	TCA_CODEL_INTERVAL,
     823  	TCA_CODEL_ECN,
     824  	TCA_CODEL_CE_THRESHOLD,
     825  	__TCA_CODEL_MAX
     826  };
     827  
     828  #define TCA_CODEL_MAX	(__TCA_CODEL_MAX - 1)
     829  
     830  struct tc_codel_xstats {
     831  	__u32	maxpacket; /* largest packet we've seen so far */
     832  	__u32	count;	   /* how many drops we've done since the last time we
     833  			    * entered dropping state
     834  			    */
     835  	__u32	lastcount; /* count at entry to dropping state */
     836  	__u32	ldelay;    /* in-queue delay seen by most recently dequeued packet */
     837  	__s32	drop_next; /* time to drop next packet */
     838  	__u32	drop_overlimit; /* number of time max qdisc packet limit was hit */
     839  	__u32	ecn_mark;  /* number of packets we ECN marked instead of dropped */
     840  	__u32	dropping;  /* are we in dropping state ? */
     841  	__u32	ce_mark;   /* number of CE marked packets because of ce_threshold */
     842  };
     843  
     844  /* FQ_CODEL */
     845  
     846  #define FQ_CODEL_QUANTUM_MAX (1 << 20)
     847  
     848  enum {
     849  	TCA_FQ_CODEL_UNSPEC,
     850  	TCA_FQ_CODEL_TARGET,
     851  	TCA_FQ_CODEL_LIMIT,
     852  	TCA_FQ_CODEL_INTERVAL,
     853  	TCA_FQ_CODEL_ECN,
     854  	TCA_FQ_CODEL_FLOWS,
     855  	TCA_FQ_CODEL_QUANTUM,
     856  	TCA_FQ_CODEL_CE_THRESHOLD,
     857  	TCA_FQ_CODEL_DROP_BATCH_SIZE,
     858  	TCA_FQ_CODEL_MEMORY_LIMIT,
     859  	TCA_FQ_CODEL_CE_THRESHOLD_SELECTOR,
     860  	TCA_FQ_CODEL_CE_THRESHOLD_MASK,
     861  	__TCA_FQ_CODEL_MAX
     862  };
     863  
     864  #define TCA_FQ_CODEL_MAX	(__TCA_FQ_CODEL_MAX - 1)
     865  
     866  enum {
     867  	TCA_FQ_CODEL_XSTATS_QDISC,
     868  	TCA_FQ_CODEL_XSTATS_CLASS,
     869  };
     870  
     871  struct tc_fq_codel_qd_stats {
     872  	__u32	maxpacket;	/* largest packet we've seen so far */
     873  	__u32	drop_overlimit; /* number of time max qdisc
     874  				 * packet limit was hit
     875  				 */
     876  	__u32	ecn_mark;	/* number of packets we ECN marked
     877  				 * instead of being dropped
     878  				 */
     879  	__u32	new_flow_count; /* number of time packets
     880  				 * created a 'new flow'
     881  				 */
     882  	__u32	new_flows_len;	/* count of flows in new list */
     883  	__u32	old_flows_len;	/* count of flows in old list */
     884  	__u32	ce_mark;	/* packets above ce_threshold */
     885  	__u32	memory_usage;	/* in bytes */
     886  	__u32	drop_overmemory;
     887  };
     888  
     889  struct tc_fq_codel_cl_stats {
     890  	__s32	deficit;
     891  	__u32	ldelay;		/* in-queue delay seen by most recently
     892  				 * dequeued packet
     893  				 */
     894  	__u32	count;
     895  	__u32	lastcount;
     896  	__u32	dropping;
     897  	__s32	drop_next;
     898  };
     899  
     900  struct tc_fq_codel_xstats {
     901  	__u32	type;
     902  	union {
     903  		struct tc_fq_codel_qd_stats qdisc_stats;
     904  		struct tc_fq_codel_cl_stats class_stats;
     905  	};
     906  };
     907  
     908  /* FQ */
     909  
     910  enum {
     911  	TCA_FQ_UNSPEC,
     912  
     913  	TCA_FQ_PLIMIT,		/* limit of total number of packets in queue */
     914  
     915  	TCA_FQ_FLOW_PLIMIT,	/* limit of packets per flow */
     916  
     917  	TCA_FQ_QUANTUM,		/* RR quantum */
     918  
     919  	TCA_FQ_INITIAL_QUANTUM,		/* RR quantum for new flow */
     920  
     921  	TCA_FQ_RATE_ENABLE,	/* enable/disable rate limiting */
     922  
     923  	TCA_FQ_FLOW_DEFAULT_RATE,/* obsolete, do not use */
     924  
     925  	TCA_FQ_FLOW_MAX_RATE,	/* per flow max rate */
     926  
     927  	TCA_FQ_BUCKETS_LOG,	/* log2(number of buckets) */
     928  
     929  	TCA_FQ_FLOW_REFILL_DELAY,	/* flow credit refill delay in usec */
     930  
     931  	TCA_FQ_ORPHAN_MASK,	/* mask applied to orphaned skb hashes */
     932  
     933  	TCA_FQ_LOW_RATE_THRESHOLD, /* per packet delay under this rate */
     934  
     935  	TCA_FQ_CE_THRESHOLD,	/* DCTCP-like CE-marking threshold */
     936  
     937  	TCA_FQ_TIMER_SLACK,	/* timer slack */
     938  
     939  	TCA_FQ_HORIZON,		/* time horizon in us */
     940  
     941  	TCA_FQ_HORIZON_DROP,	/* drop packets beyond horizon, or cap their EDT */
     942  
     943  	__TCA_FQ_MAX
     944  };
     945  
     946  #define TCA_FQ_MAX	(__TCA_FQ_MAX - 1)
     947  
     948  struct tc_fq_qd_stats {
     949  	__u64	gc_flows;
     950  	__u64	highprio_packets;
     951  	__u64	tcp_retrans;
     952  	__u64	throttled;
     953  	__u64	flows_plimit;
     954  	__u64	pkts_too_long;
     955  	__u64	allocation_errors;
     956  	__s64	time_next_delayed_flow;
     957  	__u32	flows;
     958  	__u32	inactive_flows;
     959  	__u32	throttled_flows;
     960  	__u32	unthrottle_latency_ns;
     961  	__u64	ce_mark;		/* packets above ce_threshold */
     962  	__u64	horizon_drops;
     963  	__u64	horizon_caps;
     964  };
     965  
     966  /* Heavy-Hitter Filter */
     967  
     968  enum {
     969  	TCA_HHF_UNSPEC,
     970  	TCA_HHF_BACKLOG_LIMIT,
     971  	TCA_HHF_QUANTUM,
     972  	TCA_HHF_HH_FLOWS_LIMIT,
     973  	TCA_HHF_RESET_TIMEOUT,
     974  	TCA_HHF_ADMIT_BYTES,
     975  	TCA_HHF_EVICT_TIMEOUT,
     976  	TCA_HHF_NON_HH_WEIGHT,
     977  	__TCA_HHF_MAX
     978  };
     979  
     980  #define TCA_HHF_MAX	(__TCA_HHF_MAX - 1)
     981  
     982  struct tc_hhf_xstats {
     983  	__u32	drop_overlimit; /* number of times max qdisc packet limit
     984  				 * was hit
     985  				 */
     986  	__u32	hh_overlimit;   /* number of times max heavy-hitters was hit */
     987  	__u32	hh_tot_count;   /* number of captured heavy-hitters so far */
     988  	__u32	hh_cur_count;   /* number of current heavy-hitters */
     989  };
     990  
     991  /* PIE */
     992  enum {
     993  	TCA_PIE_UNSPEC,
     994  	TCA_PIE_TARGET,
     995  	TCA_PIE_LIMIT,
     996  	TCA_PIE_TUPDATE,
     997  	TCA_PIE_ALPHA,
     998  	TCA_PIE_BETA,
     999  	TCA_PIE_ECN,
    1000  	TCA_PIE_BYTEMODE,
    1001  	TCA_PIE_DQ_RATE_ESTIMATOR,
    1002  	__TCA_PIE_MAX
    1003  };
    1004  #define TCA_PIE_MAX   (__TCA_PIE_MAX - 1)
    1005  
    1006  struct tc_pie_xstats {
    1007  	__u64 prob;			/* current probability */
    1008  	__u32 delay;			/* current delay in ms */
    1009  	__u32 avg_dq_rate;		/* current average dq_rate in
    1010  					 * bits/pie_time
    1011  					 */
    1012  	__u32 dq_rate_estimating;	/* is avg_dq_rate being calculated? */
    1013  	__u32 packets_in;		/* total number of packets enqueued */
    1014  	__u32 dropped;			/* packets dropped due to pie_action */
    1015  	__u32 overlimit;		/* dropped due to lack of space
    1016  					 * in queue
    1017  					 */
    1018  	__u32 maxq;			/* maximum queue size */
    1019  	__u32 ecn_mark;			/* packets marked with ecn*/
    1020  };
    1021  
    1022  /* FQ PIE */
    1023  enum {
    1024  	TCA_FQ_PIE_UNSPEC,
    1025  	TCA_FQ_PIE_LIMIT,
    1026  	TCA_FQ_PIE_FLOWS,
    1027  	TCA_FQ_PIE_TARGET,
    1028  	TCA_FQ_PIE_TUPDATE,
    1029  	TCA_FQ_PIE_ALPHA,
    1030  	TCA_FQ_PIE_BETA,
    1031  	TCA_FQ_PIE_QUANTUM,
    1032  	TCA_FQ_PIE_MEMORY_LIMIT,
    1033  	TCA_FQ_PIE_ECN_PROB,
    1034  	TCA_FQ_PIE_ECN,
    1035  	TCA_FQ_PIE_BYTEMODE,
    1036  	TCA_FQ_PIE_DQ_RATE_ESTIMATOR,
    1037  	__TCA_FQ_PIE_MAX
    1038  };
    1039  #define TCA_FQ_PIE_MAX   (__TCA_FQ_PIE_MAX - 1)
    1040  
    1041  struct tc_fq_pie_xstats {
    1042  	__u32 packets_in;	/* total number of packets enqueued */
    1043  	__u32 dropped;		/* packets dropped due to fq_pie_action */
    1044  	__u32 overlimit;	/* dropped due to lack of space in queue */
    1045  	__u32 overmemory;	/* dropped due to lack of memory in queue */
    1046  	__u32 ecn_mark;		/* packets marked with ecn */
    1047  	__u32 new_flow_count;	/* count of new flows created by packets */
    1048  	__u32 new_flows_len;	/* count of flows in new list */
    1049  	__u32 old_flows_len;	/* count of flows in old list */
    1050  	__u32 memory_usage;	/* total memory across all queues */
    1051  };
    1052  
    1053  /* CBS */
    1054  struct tc_cbs_qopt {
    1055  	__u8 offload;
    1056  	__u8 _pad[3];
    1057  	__s32 hicredit;
    1058  	__s32 locredit;
    1059  	__s32 idleslope;
    1060  	__s32 sendslope;
    1061  };
    1062  
    1063  enum {
    1064  	TCA_CBS_UNSPEC,
    1065  	TCA_CBS_PARMS,
    1066  	__TCA_CBS_MAX,
    1067  };
    1068  
    1069  #define TCA_CBS_MAX (__TCA_CBS_MAX - 1)
    1070  
    1071  
    1072  /* ETF */
    1073  struct tc_etf_qopt {
    1074  	__s32 delta;
    1075  	__s32 clockid;
    1076  	__u32 flags;
    1077  #define TC_ETF_DEADLINE_MODE_ON	_BITUL(0)
    1078  #define TC_ETF_OFFLOAD_ON	_BITUL(1)
    1079  #define TC_ETF_SKIP_SOCK_CHECK	_BITUL(2)
    1080  };
    1081  
    1082  enum {
    1083  	TCA_ETF_UNSPEC,
    1084  	TCA_ETF_PARMS,
    1085  	__TCA_ETF_MAX,
    1086  };
    1087  
    1088  #define TCA_ETF_MAX (__TCA_ETF_MAX - 1)
    1089  
    1090  
    1091  /* CAKE */
    1092  enum {
    1093  	TCA_CAKE_UNSPEC,
    1094  	TCA_CAKE_PAD,
    1095  	TCA_CAKE_BASE_RATE64,
    1096  	TCA_CAKE_DIFFSERV_MODE,
    1097  	TCA_CAKE_ATM,
    1098  	TCA_CAKE_FLOW_MODE,
    1099  	TCA_CAKE_OVERHEAD,
    1100  	TCA_CAKE_RTT,
    1101  	TCA_CAKE_TARGET,
    1102  	TCA_CAKE_AUTORATE,
    1103  	TCA_CAKE_MEMORY,
    1104  	TCA_CAKE_NAT,
    1105  	TCA_CAKE_RAW,
    1106  	TCA_CAKE_WASH,
    1107  	TCA_CAKE_MPU,
    1108  	TCA_CAKE_INGRESS,
    1109  	TCA_CAKE_ACK_FILTER,
    1110  	TCA_CAKE_SPLIT_GSO,
    1111  	TCA_CAKE_FWMARK,
    1112  	__TCA_CAKE_MAX
    1113  };
    1114  #define TCA_CAKE_MAX	(__TCA_CAKE_MAX - 1)
    1115  
    1116  enum {
    1117  	__TCA_CAKE_STATS_INVALID,
    1118  	TCA_CAKE_STATS_PAD,
    1119  	TCA_CAKE_STATS_CAPACITY_ESTIMATE64,
    1120  	TCA_CAKE_STATS_MEMORY_LIMIT,
    1121  	TCA_CAKE_STATS_MEMORY_USED,
    1122  	TCA_CAKE_STATS_AVG_NETOFF,
    1123  	TCA_CAKE_STATS_MIN_NETLEN,
    1124  	TCA_CAKE_STATS_MAX_NETLEN,
    1125  	TCA_CAKE_STATS_MIN_ADJLEN,
    1126  	TCA_CAKE_STATS_MAX_ADJLEN,
    1127  	TCA_CAKE_STATS_TIN_STATS,
    1128  	TCA_CAKE_STATS_DEFICIT,
    1129  	TCA_CAKE_STATS_COBALT_COUNT,
    1130  	TCA_CAKE_STATS_DROPPING,
    1131  	TCA_CAKE_STATS_DROP_NEXT_US,
    1132  	TCA_CAKE_STATS_P_DROP,
    1133  	TCA_CAKE_STATS_BLUE_TIMER_US,
    1134  	__TCA_CAKE_STATS_MAX
    1135  };
    1136  #define TCA_CAKE_STATS_MAX (__TCA_CAKE_STATS_MAX - 1)
    1137  
    1138  enum {
    1139  	__TCA_CAKE_TIN_STATS_INVALID,
    1140  	TCA_CAKE_TIN_STATS_PAD,
    1141  	TCA_CAKE_TIN_STATS_SENT_PACKETS,
    1142  	TCA_CAKE_TIN_STATS_SENT_BYTES64,
    1143  	TCA_CAKE_TIN_STATS_DROPPED_PACKETS,
    1144  	TCA_CAKE_TIN_STATS_DROPPED_BYTES64,
    1145  	TCA_CAKE_TIN_STATS_ACKS_DROPPED_PACKETS,
    1146  	TCA_CAKE_TIN_STATS_ACKS_DROPPED_BYTES64,
    1147  	TCA_CAKE_TIN_STATS_ECN_MARKED_PACKETS,
    1148  	TCA_CAKE_TIN_STATS_ECN_MARKED_BYTES64,
    1149  	TCA_CAKE_TIN_STATS_BACKLOG_PACKETS,
    1150  	TCA_CAKE_TIN_STATS_BACKLOG_BYTES,
    1151  	TCA_CAKE_TIN_STATS_THRESHOLD_RATE64,
    1152  	TCA_CAKE_TIN_STATS_TARGET_US,
    1153  	TCA_CAKE_TIN_STATS_INTERVAL_US,
    1154  	TCA_CAKE_TIN_STATS_WAY_INDIRECT_HITS,
    1155  	TCA_CAKE_TIN_STATS_WAY_MISSES,
    1156  	TCA_CAKE_TIN_STATS_WAY_COLLISIONS,
    1157  	TCA_CAKE_TIN_STATS_PEAK_DELAY_US,
    1158  	TCA_CAKE_TIN_STATS_AVG_DELAY_US,
    1159  	TCA_CAKE_TIN_STATS_BASE_DELAY_US,
    1160  	TCA_CAKE_TIN_STATS_SPARSE_FLOWS,
    1161  	TCA_CAKE_TIN_STATS_BULK_FLOWS,
    1162  	TCA_CAKE_TIN_STATS_UNRESPONSIVE_FLOWS,
    1163  	TCA_CAKE_TIN_STATS_MAX_SKBLEN,
    1164  	TCA_CAKE_TIN_STATS_FLOW_QUANTUM,
    1165  	__TCA_CAKE_TIN_STATS_MAX
    1166  };
    1167  #define TCA_CAKE_TIN_STATS_MAX (__TCA_CAKE_TIN_STATS_MAX - 1)
    1168  #define TC_CAKE_MAX_TINS (8)
    1169  
    1170  enum {
    1171  	CAKE_FLOW_NONE = 0,
    1172  	CAKE_FLOW_SRC_IP,
    1173  	CAKE_FLOW_DST_IP,
    1174  	CAKE_FLOW_HOSTS,    /* = CAKE_FLOW_SRC_IP | CAKE_FLOW_DST_IP */
    1175  	CAKE_FLOW_FLOWS,
    1176  	CAKE_FLOW_DUAL_SRC, /* = CAKE_FLOW_SRC_IP | CAKE_FLOW_FLOWS */
    1177  	CAKE_FLOW_DUAL_DST, /* = CAKE_FLOW_DST_IP | CAKE_FLOW_FLOWS */
    1178  	CAKE_FLOW_TRIPLE,   /* = CAKE_FLOW_HOSTS  | CAKE_FLOW_FLOWS */
    1179  	CAKE_FLOW_MAX,
    1180  };
    1181  
    1182  enum {
    1183  	CAKE_DIFFSERV_DIFFSERV3 = 0,
    1184  	CAKE_DIFFSERV_DIFFSERV4,
    1185  	CAKE_DIFFSERV_DIFFSERV8,
    1186  	CAKE_DIFFSERV_BESTEFFORT,
    1187  	CAKE_DIFFSERV_PRECEDENCE,
    1188  	CAKE_DIFFSERV_MAX
    1189  };
    1190  
    1191  enum {
    1192  	CAKE_ACK_NONE = 0,
    1193  	CAKE_ACK_FILTER,
    1194  	CAKE_ACK_AGGRESSIVE,
    1195  	CAKE_ACK_MAX
    1196  };
    1197  
    1198  enum {
    1199  	CAKE_ATM_NONE = 0,
    1200  	CAKE_ATM_ATM,
    1201  	CAKE_ATM_PTM,
    1202  	CAKE_ATM_MAX
    1203  };
    1204  
    1205  
    1206  /* TAPRIO */
    1207  enum {
    1208  	TC_TAPRIO_CMD_SET_GATES = 0x00,
    1209  	TC_TAPRIO_CMD_SET_AND_HOLD = 0x01,
    1210  	TC_TAPRIO_CMD_SET_AND_RELEASE = 0x02,
    1211  };
    1212  
    1213  enum {
    1214  	TCA_TAPRIO_SCHED_ENTRY_UNSPEC,
    1215  	TCA_TAPRIO_SCHED_ENTRY_INDEX, /* u32 */
    1216  	TCA_TAPRIO_SCHED_ENTRY_CMD, /* u8 */
    1217  	TCA_TAPRIO_SCHED_ENTRY_GATE_MASK, /* u32 */
    1218  	TCA_TAPRIO_SCHED_ENTRY_INTERVAL, /* u32 */
    1219  	__TCA_TAPRIO_SCHED_ENTRY_MAX,
    1220  };
    1221  #define TCA_TAPRIO_SCHED_ENTRY_MAX (__TCA_TAPRIO_SCHED_ENTRY_MAX - 1)
    1222  
    1223  /* The format for schedule entry list is:
    1224   * [TCA_TAPRIO_SCHED_ENTRY_LIST]
    1225   *   [TCA_TAPRIO_SCHED_ENTRY]
    1226   *     [TCA_TAPRIO_SCHED_ENTRY_CMD]
    1227   *     [TCA_TAPRIO_SCHED_ENTRY_GATES]
    1228   *     [TCA_TAPRIO_SCHED_ENTRY_INTERVAL]
    1229   */
    1230  enum {
    1231  	TCA_TAPRIO_SCHED_UNSPEC,
    1232  	TCA_TAPRIO_SCHED_ENTRY,
    1233  	__TCA_TAPRIO_SCHED_MAX,
    1234  };
    1235  
    1236  #define TCA_TAPRIO_SCHED_MAX (__TCA_TAPRIO_SCHED_MAX - 1)
    1237  
    1238  /* The format for the admin sched (dump only):
    1239   * [TCA_TAPRIO_SCHED_ADMIN_SCHED]
    1240   *   [TCA_TAPRIO_ATTR_SCHED_BASE_TIME]
    1241   *   [TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST]
    1242   *     [TCA_TAPRIO_ATTR_SCHED_ENTRY]
    1243   *       [TCA_TAPRIO_ATTR_SCHED_ENTRY_CMD]
    1244   *       [TCA_TAPRIO_ATTR_SCHED_ENTRY_GATES]
    1245   *       [TCA_TAPRIO_ATTR_SCHED_ENTRY_INTERVAL]
    1246   */
    1247  
    1248  #define TCA_TAPRIO_ATTR_FLAG_TXTIME_ASSIST	_BITUL(0)
    1249  #define TCA_TAPRIO_ATTR_FLAG_FULL_OFFLOAD	_BITUL(1)
    1250  
    1251  enum {
    1252  	TCA_TAPRIO_TC_ENTRY_UNSPEC,
    1253  	TCA_TAPRIO_TC_ENTRY_INDEX,		/* u32 */
    1254  	TCA_TAPRIO_TC_ENTRY_MAX_SDU,		/* u32 */
    1255  	TCA_TAPRIO_TC_ENTRY_FP,			/* u32 */
    1256  
    1257  	/* add new constants above here */
    1258  	__TCA_TAPRIO_TC_ENTRY_CNT,
    1259  	TCA_TAPRIO_TC_ENTRY_MAX = (__TCA_TAPRIO_TC_ENTRY_CNT - 1)
    1260  };
    1261  
    1262  enum {
    1263  	TCA_TAPRIO_ATTR_UNSPEC,
    1264  	TCA_TAPRIO_ATTR_PRIOMAP, /* struct tc_mqprio_qopt */
    1265  	TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST, /* nested of entry */
    1266  	TCA_TAPRIO_ATTR_SCHED_BASE_TIME, /* s64 */
    1267  	TCA_TAPRIO_ATTR_SCHED_SINGLE_ENTRY, /* single entry */
    1268  	TCA_TAPRIO_ATTR_SCHED_CLOCKID, /* s32 */
    1269  	TCA_TAPRIO_PAD,
    1270  	TCA_TAPRIO_ATTR_ADMIN_SCHED, /* The admin sched, only used in dump */
    1271  	TCA_TAPRIO_ATTR_SCHED_CYCLE_TIME, /* s64 */
    1272  	TCA_TAPRIO_ATTR_SCHED_CYCLE_TIME_EXTENSION, /* s64 */
    1273  	TCA_TAPRIO_ATTR_FLAGS, /* u32 */
    1274  	TCA_TAPRIO_ATTR_TXTIME_DELAY, /* u32 */
    1275  	TCA_TAPRIO_ATTR_TC_ENTRY, /* nest */
    1276  	__TCA_TAPRIO_ATTR_MAX,
    1277  };
    1278  
    1279  #define TCA_TAPRIO_ATTR_MAX (__TCA_TAPRIO_ATTR_MAX - 1)
    1280  
    1281  /* ETS */
    1282  
    1283  #define TCQ_ETS_MAX_BANDS 16
    1284  
    1285  enum {
    1286  	TCA_ETS_UNSPEC,
    1287  	TCA_ETS_NBANDS,		/* u8 */
    1288  	TCA_ETS_NSTRICT,	/* u8 */
    1289  	TCA_ETS_QUANTA,		/* nested TCA_ETS_QUANTA_BAND */
    1290  	TCA_ETS_QUANTA_BAND,	/* u32 */
    1291  	TCA_ETS_PRIOMAP,	/* nested TCA_ETS_PRIOMAP_BAND */
    1292  	TCA_ETS_PRIOMAP_BAND,	/* u8 */
    1293  	__TCA_ETS_MAX,
    1294  };
    1295  
    1296  #define TCA_ETS_MAX (__TCA_ETS_MAX - 1)
    1297  
    1298  #endif