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pkt_sched.h
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/* 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_OFFLOAD_HORIZON, /* dequeue paced packets within this horizon immediately (us units) */ __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