pkt_sched.h (29346B)
- /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
- #ifndef __LINUX_PKT_SCHED_H
- #define __LINUX_PKT_SCHED_H
- #include <linux/const.h>
- #include <linux/types.h>
- /* Logical priority bands not depending on specific packet scheduler.
- Every scheduler will map them to real traffic classes, if it has
- no more precise mechanism to classify packets.
- These numbers have no special meaning, though their coincidence
- with obsolete IPv6 values is not occasional :-). New IPv6 drafts
- preferred full anarchy inspired by diffserv group.
- Note: TC_PRIO_BESTEFFORT does not mean that it is the most unhappy
- class, actually, as rule it will be handled with more care than
- filler or even bulk.
- */
- #define TC_PRIO_BESTEFFORT 0
- #define TC_PRIO_FILLER 1
- #define TC_PRIO_BULK 2
- #define TC_PRIO_INTERACTIVE_BULK 4
- #define TC_PRIO_INTERACTIVE 6
- #define TC_PRIO_CONTROL 7
- #define TC_PRIO_MAX 15
- /* Generic queue statistics, available for all the elements.
- Particular schedulers may have also their private records.
- */
- struct tc_stats {
- __u64 bytes; /* Number of enqueued bytes */
- __u32 packets; /* Number of enqueued packets */
- __u32 drops; /* Packets dropped because of lack of resources */
- __u32 overlimits; /* Number of throttle events when this
- * flow goes out of allocated bandwidth */
- __u32 bps; /* Current flow byte rate */
- __u32 pps; /* Current flow packet rate */
- __u32 qlen;
- __u32 backlog;
- };
- struct tc_estimator {
- signed char interval;
- unsigned char ewma_log;
- };
- /* "Handles"
- ---------
- All the traffic control objects have 32bit identifiers, or "handles".
- They can be considered as opaque numbers from user API viewpoint,
- but actually they always consist of two fields: major and
- minor numbers, which are interpreted by kernel specially,
- that may be used by applications, though not recommended.
- F.e. qdisc handles always have minor number equal to zero,
- classes (or flows) have major equal to parent qdisc major, and
- minor uniquely identifying class inside qdisc.
- Macros to manipulate handles:
- */
- #define TC_H_MAJ_MASK (0xFFFF0000U)
- #define TC_H_MIN_MASK (0x0000FFFFU)
- #define TC_H_MAJ(h) ((h)&TC_H_MAJ_MASK)
- #define TC_H_MIN(h) ((h)&TC_H_MIN_MASK)
- #define TC_H_MAKE(maj,min) (((maj)&TC_H_MAJ_MASK)|((min)&TC_H_MIN_MASK))
- #define TC_H_UNSPEC (0U)
- #define TC_H_ROOT (0xFFFFFFFFU)
- #define TC_H_INGRESS (0xFFFFFFF1U)
- #define TC_H_CLSACT TC_H_INGRESS
- #define TC_H_MIN_PRIORITY 0xFFE0U
- #define TC_H_MIN_INGRESS 0xFFF2U
- #define TC_H_MIN_EGRESS 0xFFF3U
- /* Need to corrospond to iproute2 tc/tc_core.h "enum link_layer" */
- enum tc_link_layer {
- TC_LINKLAYER_UNAWARE, /* Indicate unaware old iproute2 util */
- TC_LINKLAYER_ETHERNET,
- TC_LINKLAYER_ATM,
- };
- #define TC_LINKLAYER_MASK 0x0F /* limit use to lower 4 bits */
- struct tc_ratespec {
- unsigned char cell_log;
- __u8 linklayer; /* lower 4 bits */
- unsigned short overhead;
- short cell_align;
- unsigned short mpu;
- __u32 rate;
- };
- #define TC_RTAB_SIZE 1024
- struct tc_sizespec {
- unsigned char cell_log;
- unsigned char size_log;
- short cell_align;
- int overhead;
- unsigned int linklayer;
- unsigned int mpu;
- unsigned int mtu;
- unsigned int tsize;
- };
- enum {
- TCA_STAB_UNSPEC,
- TCA_STAB_BASE,
- TCA_STAB_DATA,
- __TCA_STAB_MAX
- };
- #define TCA_STAB_MAX (__TCA_STAB_MAX - 1)
- /* FIFO section */
- struct tc_fifo_qopt {
- __u32 limit; /* Queue length: bytes for bfifo, packets for pfifo */
- };
- /* SKBPRIO section */
- /*
- * Priorities go from zero to (SKBPRIO_MAX_PRIORITY - 1).
- * SKBPRIO_MAX_PRIORITY should be at least 64 in order for skbprio to be able
- * to map one to one the DS field of IPV4 and IPV6 headers.
- * Memory allocation grows linearly with SKBPRIO_MAX_PRIORITY.
- */
- #define SKBPRIO_MAX_PRIORITY 64
- struct tc_skbprio_qopt {
- __u32 limit; /* Queue length in packets. */
- };
- /* PRIO section */
- #define TCQ_PRIO_BANDS 16
- #define TCQ_MIN_PRIO_BANDS 2
- struct tc_prio_qopt {
- int bands; /* Number of bands */
- __u8 priomap[TC_PRIO_MAX+1]; /* Map: logical priority -> PRIO band */
- };
- /* MULTIQ section */
- struct tc_multiq_qopt {
- __u16 bands; /* Number of bands */
- __u16 max_bands; /* Maximum number of queues */
- };
- /* PLUG section */
- #define TCQ_PLUG_BUFFER 0
- #define TCQ_PLUG_RELEASE_ONE 1
- #define TCQ_PLUG_RELEASE_INDEFINITE 2
- #define TCQ_PLUG_LIMIT 3
- struct tc_plug_qopt {
- /* TCQ_PLUG_BUFFER: Inset a plug into the queue and
- * buffer any incoming packets
- * TCQ_PLUG_RELEASE_ONE: Dequeue packets from queue head
- * to beginning of the next plug.
- * TCQ_PLUG_RELEASE_INDEFINITE: Dequeue all packets from queue.
- * Stop buffering packets until the next TCQ_PLUG_BUFFER
- * command is received (just act as a pass-thru queue).
- * TCQ_PLUG_LIMIT: Increase/decrease queue size
- */
- int action;
- __u32 limit;
- };
- /* TBF section */
- struct tc_tbf_qopt {
- struct tc_ratespec rate;
- struct tc_ratespec peakrate;
- __u32 limit;
- __u32 buffer;
- __u32 mtu;
- };
- enum {
- TCA_TBF_UNSPEC,
- TCA_TBF_PARMS,
- TCA_TBF_RTAB,
- TCA_TBF_PTAB,
- TCA_TBF_RATE64,
- TCA_TBF_PRATE64,
- TCA_TBF_BURST,
- TCA_TBF_PBURST,
- TCA_TBF_PAD,
- __TCA_TBF_MAX,
- };
- #define TCA_TBF_MAX (__TCA_TBF_MAX - 1)
- /* TEQL section */
- /* TEQL does not require any parameters */
- /* SFQ section */
- struct tc_sfq_qopt {
- unsigned quantum; /* Bytes per round allocated to flow */
- int perturb_period; /* Period of hash perturbation */
- __u32 limit; /* Maximal packets in queue */
- unsigned divisor; /* Hash divisor */
- unsigned flows; /* Maximal number of flows */
- };
- struct tc_sfqred_stats {
- __u32 prob_drop; /* Early drops, below max threshold */
- __u32 forced_drop; /* Early drops, after max threshold */
- __u32 prob_mark; /* Marked packets, below max threshold */
- __u32 forced_mark; /* Marked packets, after max threshold */
- __u32 prob_mark_head; /* Marked packets, below max threshold */
- __u32 forced_mark_head;/* Marked packets, after max threshold */
- };
- struct tc_sfq_qopt_v1 {
- struct tc_sfq_qopt v0;
- unsigned int depth; /* max number of packets per flow */
- unsigned int headdrop;
- /* SFQRED parameters */
- __u32 limit; /* HARD maximal flow queue length (bytes) */
- __u32 qth_min; /* Min average length threshold (bytes) */
- __u32 qth_max; /* Max average length threshold (bytes) */
- unsigned char Wlog; /* log(W) */
- unsigned char Plog; /* log(P_max/(qth_max-qth_min)) */
- unsigned char Scell_log; /* cell size for idle damping */
- unsigned char flags;
- __u32 max_P; /* probability, high resolution */
- /* SFQRED stats */
- struct tc_sfqred_stats stats;
- };
- struct tc_sfq_xstats {
- __s32 allot;
- };
- /* RED section */
- enum {
- TCA_RED_UNSPEC,
- TCA_RED_PARMS,
- TCA_RED_STAB,
- TCA_RED_MAX_P,
- TCA_RED_FLAGS, /* bitfield32 */
- TCA_RED_EARLY_DROP_BLOCK, /* u32 */
- TCA_RED_MARK_BLOCK, /* u32 */
- __TCA_RED_MAX,
- };
- #define TCA_RED_MAX (__TCA_RED_MAX - 1)
- struct tc_red_qopt {
- __u32 limit; /* HARD maximal queue length (bytes) */
- __u32 qth_min; /* Min average length threshold (bytes) */
- __u32 qth_max; /* Max average length threshold (bytes) */
- unsigned char Wlog; /* log(W) */
- unsigned char Plog; /* log(P_max/(qth_max-qth_min)) */
- unsigned char Scell_log; /* cell size for idle damping */
- /* This field can be used for flags that a RED-like qdisc has
- * historically supported. E.g. when configuring RED, it can be used for
- * ECN, HARDDROP and ADAPTATIVE. For SFQ it can be used for ECN,
- * HARDDROP. Etc. Because this field has not been validated, and is
- * copied back on dump, any bits besides those to which a given qdisc
- * has assigned a historical meaning need to be considered for free use
- * by userspace tools.
- *
- * Any further flags need to be passed differently, e.g. through an
- * attribute (such as TCA_RED_FLAGS above). Such attribute should allow
- * passing both recent and historic flags in one value.
- */
- unsigned char flags;
- #define TC_RED_ECN 1
- #define TC_RED_HARDDROP 2
- #define TC_RED_ADAPTATIVE 4
- #define TC_RED_NODROP 8
- };
- #define TC_RED_HISTORIC_FLAGS (TC_RED_ECN | TC_RED_HARDDROP | TC_RED_ADAPTATIVE)
- struct tc_red_xstats {
- __u32 early; /* Early drops */
- __u32 pdrop; /* Drops due to queue limits */
- __u32 other; /* Drops due to drop() calls */
- __u32 marked; /* Marked packets */
- };
- /* GRED section */
- #define MAX_DPs 16
- enum {
- TCA_GRED_UNSPEC,
- TCA_GRED_PARMS,
- TCA_GRED_STAB,
- TCA_GRED_DPS,
- TCA_GRED_MAX_P,
- TCA_GRED_LIMIT,
- TCA_GRED_VQ_LIST, /* nested TCA_GRED_VQ_ENTRY */
- __TCA_GRED_MAX,
- };
- #define TCA_GRED_MAX (__TCA_GRED_MAX - 1)
- enum {
- TCA_GRED_VQ_ENTRY_UNSPEC,
- TCA_GRED_VQ_ENTRY, /* nested TCA_GRED_VQ_* */
- __TCA_GRED_VQ_ENTRY_MAX,
- };
- #define TCA_GRED_VQ_ENTRY_MAX (__TCA_GRED_VQ_ENTRY_MAX - 1)
- enum {
- TCA_GRED_VQ_UNSPEC,
- TCA_GRED_VQ_PAD,
- TCA_GRED_VQ_DP, /* u32 */
- TCA_GRED_VQ_STAT_BYTES, /* u64 */
- TCA_GRED_VQ_STAT_PACKETS, /* u32 */
- TCA_GRED_VQ_STAT_BACKLOG, /* u32 */
- TCA_GRED_VQ_STAT_PROB_DROP, /* u32 */
- TCA_GRED_VQ_STAT_PROB_MARK, /* u32 */
- TCA_GRED_VQ_STAT_FORCED_DROP, /* u32 */
- TCA_GRED_VQ_STAT_FORCED_MARK, /* u32 */
- TCA_GRED_VQ_STAT_PDROP, /* u32 */
- TCA_GRED_VQ_STAT_OTHER, /* u32 */
- TCA_GRED_VQ_FLAGS, /* u32 */
- __TCA_GRED_VQ_MAX
- };
- #define TCA_GRED_VQ_MAX (__TCA_GRED_VQ_MAX - 1)
- struct tc_gred_qopt {
- __u32 limit; /* HARD maximal queue length (bytes) */
- __u32 qth_min; /* Min average length threshold (bytes) */
- __u32 qth_max; /* Max average length threshold (bytes) */
- __u32 DP; /* up to 2^32 DPs */
- __u32 backlog;
- __u32 qave;
- __u32 forced;
- __u32 early;
- __u32 other;
- __u32 pdrop;
- __u8 Wlog; /* log(W) */
- __u8 Plog; /* log(P_max/(qth_max-qth_min)) */
- __u8 Scell_log; /* cell size for idle damping */
- __u8 prio; /* prio of this VQ */
- __u32 packets;
- __u32 bytesin;
- };
- /* gred setup */
- struct tc_gred_sopt {
- __u32 DPs;
- __u32 def_DP;
- __u8 grio;
- __u8 flags;
- __u16 pad1;
- };
- /* CHOKe section */
- enum {
- TCA_CHOKE_UNSPEC,
- TCA_CHOKE_PARMS,
- TCA_CHOKE_STAB,
- TCA_CHOKE_MAX_P,
- __TCA_CHOKE_MAX,
- };
- #define TCA_CHOKE_MAX (__TCA_CHOKE_MAX - 1)
- struct tc_choke_qopt {
- __u32 limit; /* Hard queue length (packets) */
- __u32 qth_min; /* Min average threshold (packets) */
- __u32 qth_max; /* Max average threshold (packets) */
- unsigned char Wlog; /* log(W) */
- unsigned char Plog; /* log(P_max/(qth_max-qth_min)) */
- unsigned char Scell_log; /* cell size for idle damping */
- unsigned char flags; /* see RED flags */
- };
- struct tc_choke_xstats {
- __u32 early; /* Early drops */
- __u32 pdrop; /* Drops due to queue limits */
- __u32 other; /* Drops due to drop() calls */
- __u32 marked; /* Marked packets */
- __u32 matched; /* Drops due to flow match */
- };
- /* HTB section */
- #define TC_HTB_NUMPRIO 8
- #define TC_HTB_MAXDEPTH 8
- #define TC_HTB_PROTOVER 3 /* the same as HTB and TC's major */
- struct tc_htb_opt {
- struct tc_ratespec rate;
- struct tc_ratespec ceil;
- __u32 buffer;
- __u32 cbuffer;
- __u32 quantum;
- __u32 level; /* out only */
- __u32 prio;
- };
- struct tc_htb_glob {
- __u32 version; /* to match HTB/TC */
- __u32 rate2quantum; /* bps->quantum divisor */
- __u32 defcls; /* default class number */
- __u32 debug; /* debug flags */
- /* stats */
- __u32 direct_pkts; /* count of non shaped packets */
- };
- enum {
- TCA_HTB_UNSPEC,
- TCA_HTB_PARMS,
- TCA_HTB_INIT,
- TCA_HTB_CTAB,
- TCA_HTB_RTAB,
- TCA_HTB_DIRECT_QLEN,
- TCA_HTB_RATE64,
- TCA_HTB_CEIL64,
- TCA_HTB_PAD,
- TCA_HTB_OFFLOAD,
- __TCA_HTB_MAX,
- };
- #define TCA_HTB_MAX (__TCA_HTB_MAX - 1)
- struct tc_htb_xstats {
- __u32 lends;
- __u32 borrows;
- __u32 giants; /* unused since 'Make HTB scheduler work with TSO.' */
- __s32 tokens;
- __s32 ctokens;
- };
- /* HFSC section */
- struct tc_hfsc_qopt {
- __u16 defcls; /* default class */
- };
- struct tc_service_curve {
- __u32 m1; /* slope of the first segment in bps */
- __u32 d; /* x-projection of the first segment in us */
- __u32 m2; /* slope of the second segment in bps */
- };
- struct tc_hfsc_stats {
- __u64 work; /* total work done */
- __u64 rtwork; /* work done by real-time criteria */
- __u32 period; /* current period */
- __u32 level; /* class level in hierarchy */
- };
- enum {
- TCA_HFSC_UNSPEC,
- TCA_HFSC_RSC,
- TCA_HFSC_FSC,
- TCA_HFSC_USC,
- __TCA_HFSC_MAX,
- };
- #define TCA_HFSC_MAX (__TCA_HFSC_MAX - 1)
- /* Network emulator */
- enum {
- TCA_NETEM_UNSPEC,
- TCA_NETEM_CORR,
- TCA_NETEM_DELAY_DIST,
- TCA_NETEM_REORDER,
- TCA_NETEM_CORRUPT,
- TCA_NETEM_LOSS,
- TCA_NETEM_RATE,
- TCA_NETEM_ECN,
- TCA_NETEM_RATE64,
- TCA_NETEM_PAD,
- TCA_NETEM_LATENCY64,
- TCA_NETEM_JITTER64,
- TCA_NETEM_SLOT,
- TCA_NETEM_SLOT_DIST,
- TCA_NETEM_PRNG_SEED,
- __TCA_NETEM_MAX,
- };
- #define TCA_NETEM_MAX (__TCA_NETEM_MAX - 1)
- struct tc_netem_qopt {
- __u32 latency; /* added delay (us) */
- __u32 limit; /* fifo limit (packets) */
- __u32 loss; /* random packet loss (0=none ~0=100%) */
- __u32 gap; /* re-ordering gap (0 for none) */
- __u32 duplicate; /* random packet dup (0=none ~0=100%) */
- __u32 jitter; /* random jitter in latency (us) */
- };
- struct tc_netem_corr {
- __u32 delay_corr; /* delay correlation */
- __u32 loss_corr; /* packet loss correlation */
- __u32 dup_corr; /* duplicate correlation */
- };
- struct tc_netem_reorder {
- __u32 probability;
- __u32 correlation;
- };
- struct tc_netem_corrupt {
- __u32 probability;
- __u32 correlation;
- };
- struct tc_netem_rate {
- __u32 rate; /* byte/s */
- __s32 packet_overhead;
- __u32 cell_size;
- __s32 cell_overhead;
- };
- struct tc_netem_slot {
- __s64 min_delay; /* nsec */
- __s64 max_delay;
- __s32 max_packets;
- __s32 max_bytes;
- __s64 dist_delay; /* nsec */
- __s64 dist_jitter; /* nsec */
- };
- enum {
- NETEM_LOSS_UNSPEC,
- NETEM_LOSS_GI, /* General Intuitive - 4 state model */
- NETEM_LOSS_GE, /* Gilbert Elliot models */
- __NETEM_LOSS_MAX
- };
- #define NETEM_LOSS_MAX (__NETEM_LOSS_MAX - 1)
- /* State transition probabilities for 4 state model */
- struct tc_netem_gimodel {
- __u32 p13;
- __u32 p31;
- __u32 p32;
- __u32 p14;
- __u32 p23;
- };
- /* Gilbert-Elliot models */
- struct tc_netem_gemodel {
- __u32 p;
- __u32 r;
- __u32 h;
- __u32 k1;
- };
- #define NETEM_DIST_SCALE 8192
- #define NETEM_DIST_MAX 16384
- /* DRR */
- enum {
- TCA_DRR_UNSPEC,
- TCA_DRR_QUANTUM,
- __TCA_DRR_MAX
- };
- #define TCA_DRR_MAX (__TCA_DRR_MAX - 1)
- struct tc_drr_stats {
- __u32 deficit;
- };
- /* MQPRIO */
- #define TC_QOPT_BITMASK 15
- #define TC_QOPT_MAX_QUEUE 16
- enum {
- TC_MQPRIO_HW_OFFLOAD_NONE, /* no offload requested */
- TC_MQPRIO_HW_OFFLOAD_TCS, /* offload TCs, no queue counts */
- __TC_MQPRIO_HW_OFFLOAD_MAX
- };
- #define TC_MQPRIO_HW_OFFLOAD_MAX (__TC_MQPRIO_HW_OFFLOAD_MAX - 1)
- enum {
- TC_MQPRIO_MODE_DCB,
- TC_MQPRIO_MODE_CHANNEL,
- __TC_MQPRIO_MODE_MAX
- };
- #define __TC_MQPRIO_MODE_MAX (__TC_MQPRIO_MODE_MAX - 1)
- enum {
- TC_MQPRIO_SHAPER_DCB,
- TC_MQPRIO_SHAPER_BW_RATE, /* Add new shapers below */
- __TC_MQPRIO_SHAPER_MAX
- };
- #define __TC_MQPRIO_SHAPER_MAX (__TC_MQPRIO_SHAPER_MAX - 1)
- enum {
- TC_FP_EXPRESS = 1,
- TC_FP_PREEMPTIBLE = 2,
- };
- struct tc_mqprio_qopt {
- __u8 num_tc;
- __u8 prio_tc_map[TC_QOPT_BITMASK + 1];
- __u8 hw;
- __u16 count[TC_QOPT_MAX_QUEUE];
- __u16 offset[TC_QOPT_MAX_QUEUE];
- };
- #define TC_MQPRIO_F_MODE 0x1
- #define TC_MQPRIO_F_SHAPER 0x2
- #define TC_MQPRIO_F_MIN_RATE 0x4
- #define TC_MQPRIO_F_MAX_RATE 0x8
- enum {
- TCA_MQPRIO_TC_ENTRY_UNSPEC,
- TCA_MQPRIO_TC_ENTRY_INDEX, /* u32 */
- TCA_MQPRIO_TC_ENTRY_FP, /* u32 */
- /* add new constants above here */
- __TCA_MQPRIO_TC_ENTRY_CNT,
- TCA_MQPRIO_TC_ENTRY_MAX = (__TCA_MQPRIO_TC_ENTRY_CNT - 1)
- };
- enum {
- TCA_MQPRIO_UNSPEC,
- TCA_MQPRIO_MODE,
- TCA_MQPRIO_SHAPER,
- TCA_MQPRIO_MIN_RATE64,
- TCA_MQPRIO_MAX_RATE64,
- TCA_MQPRIO_TC_ENTRY,
- __TCA_MQPRIO_MAX,
- };
- #define TCA_MQPRIO_MAX (__TCA_MQPRIO_MAX - 1)
- /* SFB */
- enum {
- TCA_SFB_UNSPEC,
- TCA_SFB_PARMS,
- __TCA_SFB_MAX,
- };
- #define TCA_SFB_MAX (__TCA_SFB_MAX - 1)
- /*
- * Note: increment, decrement are Q0.16 fixed-point values.
- */
- struct tc_sfb_qopt {
- __u32 rehash_interval; /* delay between hash move, in ms */
- __u32 warmup_time; /* double buffering warmup time in ms (warmup_time < rehash_interval) */
- __u32 max; /* max len of qlen_min */
- __u32 bin_size; /* maximum queue length per bin */
- __u32 increment; /* probability increment, (d1 in Blue) */
- __u32 decrement; /* probability decrement, (d2 in Blue) */
- __u32 limit; /* max SFB queue length */
- __u32 penalty_rate; /* inelastic flows are rate limited to 'rate' pps */
- __u32 penalty_burst;
- };
- struct tc_sfb_xstats {
- __u32 earlydrop;
- __u32 penaltydrop;
- __u32 bucketdrop;
- __u32 queuedrop;
- __u32 childdrop; /* drops in child qdisc */
- __u32 marked;
- __u32 maxqlen;
- __u32 maxprob;
- __u32 avgprob;
- };
- #define SFB_MAX_PROB 0xFFFF
- /* QFQ */
- enum {
- TCA_QFQ_UNSPEC,
- TCA_QFQ_WEIGHT,
- TCA_QFQ_LMAX,
- __TCA_QFQ_MAX
- };
- #define TCA_QFQ_MAX (__TCA_QFQ_MAX - 1)
- struct tc_qfq_stats {
- __u32 weight;
- __u32 lmax;
- };
- /* CODEL */
- enum {
- TCA_CODEL_UNSPEC,
- TCA_CODEL_TARGET,
- TCA_CODEL_LIMIT,
- TCA_CODEL_INTERVAL,
- TCA_CODEL_ECN,
- TCA_CODEL_CE_THRESHOLD,
- __TCA_CODEL_MAX
- };
- #define TCA_CODEL_MAX (__TCA_CODEL_MAX - 1)
- struct tc_codel_xstats {
- __u32 maxpacket; /* largest packet we've seen so far */
- __u32 count; /* how many drops we've done since the last time we
- * entered dropping state
- */
- __u32 lastcount; /* count at entry to dropping state */
- __u32 ldelay; /* in-queue delay seen by most recently dequeued packet */
- __s32 drop_next; /* time to drop next packet */
- __u32 drop_overlimit; /* number of time max qdisc packet limit was hit */
- __u32 ecn_mark; /* number of packets we ECN marked instead of dropped */
- __u32 dropping; /* are we in dropping state ? */
- __u32 ce_mark; /* number of CE marked packets because of ce_threshold */
- };
- /* FQ_CODEL */
- #define FQ_CODEL_QUANTUM_MAX (1 << 20)
- enum {
- TCA_FQ_CODEL_UNSPEC,
- TCA_FQ_CODEL_TARGET,
- TCA_FQ_CODEL_LIMIT,
- TCA_FQ_CODEL_INTERVAL,
- TCA_FQ_CODEL_ECN,
- TCA_FQ_CODEL_FLOWS,
- TCA_FQ_CODEL_QUANTUM,
- TCA_FQ_CODEL_CE_THRESHOLD,
- TCA_FQ_CODEL_DROP_BATCH_SIZE,
- TCA_FQ_CODEL_MEMORY_LIMIT,
- TCA_FQ_CODEL_CE_THRESHOLD_SELECTOR,
- TCA_FQ_CODEL_CE_THRESHOLD_MASK,
- __TCA_FQ_CODEL_MAX
- };
- #define TCA_FQ_CODEL_MAX (__TCA_FQ_CODEL_MAX - 1)
- enum {
- TCA_FQ_CODEL_XSTATS_QDISC,
- TCA_FQ_CODEL_XSTATS_CLASS,
- };
- struct tc_fq_codel_qd_stats {
- __u32 maxpacket; /* largest packet we've seen so far */
- __u32 drop_overlimit; /* number of time max qdisc
- * packet limit was hit
- */
- __u32 ecn_mark; /* number of packets we ECN marked
- * instead of being dropped
- */
- __u32 new_flow_count; /* number of time packets
- * created a 'new flow'
- */
- __u32 new_flows_len; /* count of flows in new list */
- __u32 old_flows_len; /* count of flows in old list */
- __u32 ce_mark; /* packets above ce_threshold */
- __u32 memory_usage; /* in bytes */
- __u32 drop_overmemory;
- };
- struct tc_fq_codel_cl_stats {
- __s32 deficit;
- __u32 ldelay; /* in-queue delay seen by most recently
- * dequeued packet
- */
- __u32 count;
- __u32 lastcount;
- __u32 dropping;
- __s32 drop_next;
- };
- struct tc_fq_codel_xstats {
- __u32 type;
- union {
- struct tc_fq_codel_qd_stats qdisc_stats;
- struct tc_fq_codel_cl_stats class_stats;
- };
- };
- /* FQ */
- enum {
- TCA_FQ_UNSPEC,
- TCA_FQ_PLIMIT, /* limit of total number of packets in queue */
- TCA_FQ_FLOW_PLIMIT, /* limit of packets per flow */
- TCA_FQ_QUANTUM, /* RR quantum */
- TCA_FQ_INITIAL_QUANTUM, /* RR quantum for new flow */
- TCA_FQ_RATE_ENABLE, /* enable/disable rate limiting */
- TCA_FQ_FLOW_DEFAULT_RATE,/* obsolete, do not use */
- TCA_FQ_FLOW_MAX_RATE, /* per flow max rate */
- TCA_FQ_BUCKETS_LOG, /* log2(number of buckets) */
- TCA_FQ_FLOW_REFILL_DELAY, /* flow credit refill delay in usec */
- TCA_FQ_ORPHAN_MASK, /* mask applied to orphaned skb hashes */
- TCA_FQ_LOW_RATE_THRESHOLD, /* per packet delay under this rate */
- TCA_FQ_CE_THRESHOLD, /* DCTCP-like CE-marking threshold */
- TCA_FQ_TIMER_SLACK, /* timer slack */
- TCA_FQ_HORIZON, /* time horizon in us */
- TCA_FQ_HORIZON_DROP, /* drop packets beyond horizon, or cap their EDT */
- TCA_FQ_PRIOMAP, /* prio2band */
- TCA_FQ_WEIGHTS, /* Weights for each band */
- __TCA_FQ_MAX
- };
- #define TCA_FQ_MAX (__TCA_FQ_MAX - 1)
- #define FQ_BANDS 3
- #define FQ_MIN_WEIGHT 16384
- struct tc_fq_qd_stats {
- __u64 gc_flows;
- __u64 highprio_packets; /* obsolete */
- __u64 tcp_retrans; /* obsolete */
- __u64 throttled;
- __u64 flows_plimit;
- __u64 pkts_too_long;
- __u64 allocation_errors;
- __s64 time_next_delayed_flow;
- __u32 flows;
- __u32 inactive_flows;
- __u32 throttled_flows;
- __u32 unthrottle_latency_ns;
- __u64 ce_mark; /* packets above ce_threshold */
- __u64 horizon_drops;
- __u64 horizon_caps;
- __u64 fastpath_packets;
- __u64 band_drops[FQ_BANDS];
- __u32 band_pkt_count[FQ_BANDS];
- __u32 pad;
- };
- /* Heavy-Hitter Filter */
- enum {
- TCA_HHF_UNSPEC,
- TCA_HHF_BACKLOG_LIMIT,
- TCA_HHF_QUANTUM,
- TCA_HHF_HH_FLOWS_LIMIT,
- TCA_HHF_RESET_TIMEOUT,
- TCA_HHF_ADMIT_BYTES,
- TCA_HHF_EVICT_TIMEOUT,
- TCA_HHF_NON_HH_WEIGHT,
- __TCA_HHF_MAX
- };
- #define TCA_HHF_MAX (__TCA_HHF_MAX - 1)
- struct tc_hhf_xstats {
- __u32 drop_overlimit; /* number of times max qdisc packet limit
- * was hit
- */
- __u32 hh_overlimit; /* number of times max heavy-hitters was hit */
- __u32 hh_tot_count; /* number of captured heavy-hitters so far */
- __u32 hh_cur_count; /* number of current heavy-hitters */
- };
- /* PIE */
- enum {
- TCA_PIE_UNSPEC,
- TCA_PIE_TARGET,
- TCA_PIE_LIMIT,
- TCA_PIE_TUPDATE,
- TCA_PIE_ALPHA,
- TCA_PIE_BETA,
- TCA_PIE_ECN,
- TCA_PIE_BYTEMODE,
- TCA_PIE_DQ_RATE_ESTIMATOR,
- __TCA_PIE_MAX
- };
- #define TCA_PIE_MAX (__TCA_PIE_MAX - 1)
- struct tc_pie_xstats {
- __u64 prob; /* current probability */
- __u32 delay; /* current delay in ms */
- __u32 avg_dq_rate; /* current average dq_rate in
- * bits/pie_time
- */
- __u32 dq_rate_estimating; /* is avg_dq_rate being calculated? */
- __u32 packets_in; /* total number of packets enqueued */
- __u32 dropped; /* packets dropped due to pie_action */
- __u32 overlimit; /* dropped due to lack of space
- * in queue
- */
- __u32 maxq; /* maximum queue size */
- __u32 ecn_mark; /* packets marked with ecn*/
- };
- /* FQ PIE */
- enum {
- TCA_FQ_PIE_UNSPEC,
- TCA_FQ_PIE_LIMIT,
- TCA_FQ_PIE_FLOWS,
- TCA_FQ_PIE_TARGET,
- TCA_FQ_PIE_TUPDATE,
- TCA_FQ_PIE_ALPHA,
- TCA_FQ_PIE_BETA,
- TCA_FQ_PIE_QUANTUM,
- TCA_FQ_PIE_MEMORY_LIMIT,
- TCA_FQ_PIE_ECN_PROB,
- TCA_FQ_PIE_ECN,
- TCA_FQ_PIE_BYTEMODE,
- TCA_FQ_PIE_DQ_RATE_ESTIMATOR,
- __TCA_FQ_PIE_MAX
- };
- #define TCA_FQ_PIE_MAX (__TCA_FQ_PIE_MAX - 1)
- struct tc_fq_pie_xstats {
- __u32 packets_in; /* total number of packets enqueued */
- __u32 dropped; /* packets dropped due to fq_pie_action */
- __u32 overlimit; /* dropped due to lack of space in queue */
- __u32 overmemory; /* dropped due to lack of memory in queue */
- __u32 ecn_mark; /* packets marked with ecn */
- __u32 new_flow_count; /* count of new flows created by packets */
- __u32 new_flows_len; /* count of flows in new list */
- __u32 old_flows_len; /* count of flows in old list */
- __u32 memory_usage; /* total memory across all queues */
- };
- /* CBS */
- struct tc_cbs_qopt {
- __u8 offload;
- __u8 _pad[3];
- __s32 hicredit;
- __s32 locredit;
- __s32 idleslope;
- __s32 sendslope;
- };
- enum {
- TCA_CBS_UNSPEC,
- TCA_CBS_PARMS,
- __TCA_CBS_MAX,
- };
- #define TCA_CBS_MAX (__TCA_CBS_MAX - 1)
- /* ETF */
- struct tc_etf_qopt {
- __s32 delta;
- __s32 clockid;
- __u32 flags;
- #define TC_ETF_DEADLINE_MODE_ON _BITUL(0)
- #define TC_ETF_OFFLOAD_ON _BITUL(1)
- #define TC_ETF_SKIP_SOCK_CHECK _BITUL(2)
- };
- enum {
- TCA_ETF_UNSPEC,
- TCA_ETF_PARMS,
- __TCA_ETF_MAX,
- };
- #define TCA_ETF_MAX (__TCA_ETF_MAX - 1)
- /* CAKE */
- enum {
- TCA_CAKE_UNSPEC,
- TCA_CAKE_PAD,
- TCA_CAKE_BASE_RATE64,
- TCA_CAKE_DIFFSERV_MODE,
- TCA_CAKE_ATM,
- TCA_CAKE_FLOW_MODE,
- TCA_CAKE_OVERHEAD,
- TCA_CAKE_RTT,
- TCA_CAKE_TARGET,
- TCA_CAKE_AUTORATE,
- TCA_CAKE_MEMORY,
- TCA_CAKE_NAT,
- TCA_CAKE_RAW,
- TCA_CAKE_WASH,
- TCA_CAKE_MPU,
- TCA_CAKE_INGRESS,
- TCA_CAKE_ACK_FILTER,
- TCA_CAKE_SPLIT_GSO,
- TCA_CAKE_FWMARK,
- __TCA_CAKE_MAX
- };
- #define TCA_CAKE_MAX (__TCA_CAKE_MAX - 1)
- enum {
- __TCA_CAKE_STATS_INVALID,
- TCA_CAKE_STATS_PAD,
- TCA_CAKE_STATS_CAPACITY_ESTIMATE64,
- TCA_CAKE_STATS_MEMORY_LIMIT,
- TCA_CAKE_STATS_MEMORY_USED,
- TCA_CAKE_STATS_AVG_NETOFF,
- TCA_CAKE_STATS_MIN_NETLEN,
- TCA_CAKE_STATS_MAX_NETLEN,
- TCA_CAKE_STATS_MIN_ADJLEN,
- TCA_CAKE_STATS_MAX_ADJLEN,
- TCA_CAKE_STATS_TIN_STATS,
- TCA_CAKE_STATS_DEFICIT,
- TCA_CAKE_STATS_COBALT_COUNT,
- TCA_CAKE_STATS_DROPPING,
- TCA_CAKE_STATS_DROP_NEXT_US,
- TCA_CAKE_STATS_P_DROP,
- TCA_CAKE_STATS_BLUE_TIMER_US,
- __TCA_CAKE_STATS_MAX
- };
- #define TCA_CAKE_STATS_MAX (__TCA_CAKE_STATS_MAX - 1)
- enum {
- __TCA_CAKE_TIN_STATS_INVALID,
- TCA_CAKE_TIN_STATS_PAD,
- TCA_CAKE_TIN_STATS_SENT_PACKETS,
- TCA_CAKE_TIN_STATS_SENT_BYTES64,
- TCA_CAKE_TIN_STATS_DROPPED_PACKETS,
- TCA_CAKE_TIN_STATS_DROPPED_BYTES64,
- TCA_CAKE_TIN_STATS_ACKS_DROPPED_PACKETS,
- TCA_CAKE_TIN_STATS_ACKS_DROPPED_BYTES64,
- TCA_CAKE_TIN_STATS_ECN_MARKED_PACKETS,
- TCA_CAKE_TIN_STATS_ECN_MARKED_BYTES64,
- TCA_CAKE_TIN_STATS_BACKLOG_PACKETS,
- TCA_CAKE_TIN_STATS_BACKLOG_BYTES,
- TCA_CAKE_TIN_STATS_THRESHOLD_RATE64,
- TCA_CAKE_TIN_STATS_TARGET_US,
- TCA_CAKE_TIN_STATS_INTERVAL_US,
- TCA_CAKE_TIN_STATS_WAY_INDIRECT_HITS,
- TCA_CAKE_TIN_STATS_WAY_MISSES,
- TCA_CAKE_TIN_STATS_WAY_COLLISIONS,
- TCA_CAKE_TIN_STATS_PEAK_DELAY_US,
- TCA_CAKE_TIN_STATS_AVG_DELAY_US,
- TCA_CAKE_TIN_STATS_BASE_DELAY_US,
- TCA_CAKE_TIN_STATS_SPARSE_FLOWS,
- TCA_CAKE_TIN_STATS_BULK_FLOWS,
- TCA_CAKE_TIN_STATS_UNRESPONSIVE_FLOWS,
- TCA_CAKE_TIN_STATS_MAX_SKBLEN,
- TCA_CAKE_TIN_STATS_FLOW_QUANTUM,
- __TCA_CAKE_TIN_STATS_MAX
- };
- #define TCA_CAKE_TIN_STATS_MAX (__TCA_CAKE_TIN_STATS_MAX - 1)
- #define TC_CAKE_MAX_TINS (8)
- enum {
- CAKE_FLOW_NONE = 0,
- CAKE_FLOW_SRC_IP,
- CAKE_FLOW_DST_IP,
- CAKE_FLOW_HOSTS, /* = CAKE_FLOW_SRC_IP | CAKE_FLOW_DST_IP */
- CAKE_FLOW_FLOWS,
- CAKE_FLOW_DUAL_SRC, /* = CAKE_FLOW_SRC_IP | CAKE_FLOW_FLOWS */
- CAKE_FLOW_DUAL_DST, /* = CAKE_FLOW_DST_IP | CAKE_FLOW_FLOWS */
- CAKE_FLOW_TRIPLE, /* = CAKE_FLOW_HOSTS | CAKE_FLOW_FLOWS */
- CAKE_FLOW_MAX,
- };
- enum {
- CAKE_DIFFSERV_DIFFSERV3 = 0,
- CAKE_DIFFSERV_DIFFSERV4,
- CAKE_DIFFSERV_DIFFSERV8,
- CAKE_DIFFSERV_BESTEFFORT,
- CAKE_DIFFSERV_PRECEDENCE,
- CAKE_DIFFSERV_MAX
- };
- enum {
- CAKE_ACK_NONE = 0,
- CAKE_ACK_FILTER,
- CAKE_ACK_AGGRESSIVE,
- CAKE_ACK_MAX
- };
- enum {
- CAKE_ATM_NONE = 0,
- CAKE_ATM_ATM,
- CAKE_ATM_PTM,
- CAKE_ATM_MAX
- };
- /* TAPRIO */
- enum {
- TC_TAPRIO_CMD_SET_GATES = 0x00,
- TC_TAPRIO_CMD_SET_AND_HOLD = 0x01,
- TC_TAPRIO_CMD_SET_AND_RELEASE = 0x02,
- };
- enum {
- TCA_TAPRIO_SCHED_ENTRY_UNSPEC,
- TCA_TAPRIO_SCHED_ENTRY_INDEX, /* u32 */
- TCA_TAPRIO_SCHED_ENTRY_CMD, /* u8 */
- TCA_TAPRIO_SCHED_ENTRY_GATE_MASK, /* u32 */
- TCA_TAPRIO_SCHED_ENTRY_INTERVAL, /* u32 */
- __TCA_TAPRIO_SCHED_ENTRY_MAX,
- };
- #define TCA_TAPRIO_SCHED_ENTRY_MAX (__TCA_TAPRIO_SCHED_ENTRY_MAX - 1)
- /* The format for schedule entry list is:
- * [TCA_TAPRIO_SCHED_ENTRY_LIST]
- * [TCA_TAPRIO_SCHED_ENTRY]
- * [TCA_TAPRIO_SCHED_ENTRY_CMD]
- * [TCA_TAPRIO_SCHED_ENTRY_GATES]
- * [TCA_TAPRIO_SCHED_ENTRY_INTERVAL]
- */
- enum {
- TCA_TAPRIO_SCHED_UNSPEC,
- TCA_TAPRIO_SCHED_ENTRY,
- __TCA_TAPRIO_SCHED_MAX,
- };
- #define TCA_TAPRIO_SCHED_MAX (__TCA_TAPRIO_SCHED_MAX - 1)
- /* The format for the admin sched (dump only):
- * [TCA_TAPRIO_SCHED_ADMIN_SCHED]
- * [TCA_TAPRIO_ATTR_SCHED_BASE_TIME]
- * [TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST]
- * [TCA_TAPRIO_ATTR_SCHED_ENTRY]
- * [TCA_TAPRIO_ATTR_SCHED_ENTRY_CMD]
- * [TCA_TAPRIO_ATTR_SCHED_ENTRY_GATES]
- * [TCA_TAPRIO_ATTR_SCHED_ENTRY_INTERVAL]
- */
- #define TCA_TAPRIO_ATTR_FLAG_TXTIME_ASSIST _BITUL(0)
- #define TCA_TAPRIO_ATTR_FLAG_FULL_OFFLOAD _BITUL(1)
- enum {
- TCA_TAPRIO_TC_ENTRY_UNSPEC,
- TCA_TAPRIO_TC_ENTRY_INDEX, /* u32 */
- TCA_TAPRIO_TC_ENTRY_MAX_SDU, /* u32 */
- TCA_TAPRIO_TC_ENTRY_FP, /* u32 */
- /* add new constants above here */
- __TCA_TAPRIO_TC_ENTRY_CNT,
- TCA_TAPRIO_TC_ENTRY_MAX = (__TCA_TAPRIO_TC_ENTRY_CNT - 1)
- };
- enum {
- TCA_TAPRIO_OFFLOAD_STATS_PAD = 1, /* u64 */
- TCA_TAPRIO_OFFLOAD_STATS_WINDOW_DROPS, /* u64 */
- TCA_TAPRIO_OFFLOAD_STATS_TX_OVERRUNS, /* u64 */
- /* add new constants above here */
- __TCA_TAPRIO_OFFLOAD_STATS_CNT,
- TCA_TAPRIO_OFFLOAD_STATS_MAX = (__TCA_TAPRIO_OFFLOAD_STATS_CNT - 1)
- };
- enum {
- TCA_TAPRIO_ATTR_UNSPEC,
- TCA_TAPRIO_ATTR_PRIOMAP, /* struct tc_mqprio_qopt */
- TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST, /* nested of entry */
- TCA_TAPRIO_ATTR_SCHED_BASE_TIME, /* s64 */
- TCA_TAPRIO_ATTR_SCHED_SINGLE_ENTRY, /* single entry */
- TCA_TAPRIO_ATTR_SCHED_CLOCKID, /* s32 */
- TCA_TAPRIO_PAD,
- TCA_TAPRIO_ATTR_ADMIN_SCHED, /* The admin sched, only used in dump */
- TCA_TAPRIO_ATTR_SCHED_CYCLE_TIME, /* s64 */
- TCA_TAPRIO_ATTR_SCHED_CYCLE_TIME_EXTENSION, /* s64 */
- TCA_TAPRIO_ATTR_FLAGS, /* u32 */
- TCA_TAPRIO_ATTR_TXTIME_DELAY, /* u32 */
- TCA_TAPRIO_ATTR_TC_ENTRY, /* nest */
- __TCA_TAPRIO_ATTR_MAX,
- };
- #define TCA_TAPRIO_ATTR_MAX (__TCA_TAPRIO_ATTR_MAX - 1)
- /* ETS */
- #define TCQ_ETS_MAX_BANDS 16
- enum {
- TCA_ETS_UNSPEC,
- TCA_ETS_NBANDS, /* u8 */
- TCA_ETS_NSTRICT, /* u8 */
- TCA_ETS_QUANTA, /* nested TCA_ETS_QUANTA_BAND */
- TCA_ETS_QUANTA_BAND, /* u32 */
- TCA_ETS_PRIOMAP, /* nested TCA_ETS_PRIOMAP_BAND */
- TCA_ETS_PRIOMAP_BAND, /* u8 */
- __TCA_ETS_MAX,
- };
- #define TCA_ETS_MAX (__TCA_ETS_MAX - 1)
- #endif