#ifndef __LINUX_PKT_SCHED_H
#define __LINUX_PKT_SCHED_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.
Particular schedulers may have also their private records.
*/
-struct tc_stats
-{
- __u64 bytes; /* NUmber of enqueues bytes */
+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
__u32 backlog;
};
-struct tc_estimator
-{
+struct tc_estimator {
signed char interval;
unsigned char ewma_log;
};
#define TC_H_ROOT (0xFFFFFFFFU)
#define TC_H_INGRESS (0xFFFFFFF1U)
-struct tc_ratespec
-{
+struct tc_ratespec {
unsigned char cell_log;
unsigned char __reserved;
- unsigned short feature;
- short addend;
+ 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
-{
+struct tc_fifo_qopt {
__u32 limit; /* Queue length: bytes for bfifo, packets for pfifo */
};
/* PRIO section */
#define TCQ_PRIO_BANDS 16
+#define TCQ_MIN_PRIO_BANDS 2
-struct tc_prio_qopt
-{
+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 */
+};
+
/* TBF section */
-struct tc_tbf_qopt
-{
+struct tc_tbf_qopt {
struct tc_ratespec rate;
struct tc_ratespec peakrate;
__u32 limit;
__u32 mtu;
};
-enum
-{
+enum {
TCA_TBF_UNSPEC,
TCA_TBF_PARMS,
TCA_TBF_RTAB,
/* SFQ section */
-struct tc_sfq_qopt
-{
+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 flows; /* Maximal number of flows */
};
+struct tc_sfq_xstats {
+ __s32 allot;
+};
+
/*
* NOTE: limit, divisor and flows are hardwired to code at the moment.
*
/* RED section */
-enum
-{
+enum {
TCA_RED_UNSPEC,
TCA_RED_PARMS,
TCA_RED_STAB,
#define TCA_RED_MAX (__TCA_RED_MAX - 1)
-struct tc_red_qopt
-{
+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 Scell_log; /* cell size for idle damping */
unsigned char flags;
#define TC_RED_ECN 1
+#define TC_RED_HARDDROP 2
};
-struct tc_red_xstats
-{
+struct tc_red_xstats {
__u32 early; /* Early drops */
__u32 pdrop; /* Drops due to queue limits */
__u32 other; /* Drops due to drop() calls */
#define MAX_DPs 16
-enum
-{
+enum {
TCA_GRED_UNSPEC,
TCA_GRED_PARMS,
TCA_GRED_STAB,
#define TCA_GRED_MAX (__TCA_GRED_MAX - 1)
-#define TCA_SET_OFF TCA_GRED_PARMS
-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; /* upto 2^32 DPs */
- __u32 backlog;
- __u32 qave;
- __u32 forced;
- __u32 early;
- __u32 other;
- __u32 pdrop;
-
- unsigned char Wlog; /* log(W) */
- unsigned char Plog; /* log(P_max/(qth_max-qth_min)) */
- unsigned char Scell_log; /* cell size for idle damping */
- __u8 prio; /* prio of this VQ */
- __u32 packets;
- __u32 bytesin;
+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;
+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,
+};
+
+#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_MAXDEPTH 8
#define TC_HTB_PROTOVER 3 /* the same as HTB and TC's major */
-struct tc_htb_opt
-{
+struct tc_htb_opt {
struct tc_ratespec rate;
struct tc_ratespec ceil;
__u32 buffer;
__u32 level; /* out only */
__u32 prio;
};
-struct tc_htb_glob
-{
+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 shapped packets */
+ __u32 direct_pkts; /* count of non shaped packets */
};
-enum
-{
+enum {
TCA_HTB_UNSPEC,
TCA_HTB_PARMS,
TCA_HTB_INIT,
#define TCA_HTB_MAX (__TCA_HTB_MAX - 1)
-struct tc_htb_xstats
-{
+struct tc_htb_xstats {
__u32 lends;
__u32 borrows;
__u32 giants; /* too big packets (rate will not be accurate) */
/* HFSC section */
-struct tc_hfsc_qopt
-{
+struct tc_hfsc_qopt {
__u16 defcls; /* default class */
};
-struct tc_service_curve
-{
+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
-{
+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
-{
+enum {
TCA_HFSC_UNSPEC,
TCA_HFSC_RSC,
TCA_HFSC_FSC,
#define TC_CBQ_MAXLEVEL 8
#define TC_CBQ_DEF_EWMA 5
-struct tc_cbq_lssopt
-{
+struct tc_cbq_lssopt {
unsigned char change;
unsigned char flags;
#define TCF_CBQ_LSS_BOUNDED 1
__u32 avpkt;
};
-struct tc_cbq_wrropt
-{
+struct tc_cbq_wrropt {
unsigned char flags;
unsigned char priority;
unsigned char cpriority;
__u32 weight;
};
-struct tc_cbq_ovl
-{
+struct tc_cbq_ovl {
unsigned char strategy;
#define TC_CBQ_OVL_CLASSIC 0
#define TC_CBQ_OVL_DELAY 1
#define TC_CBQ_OVL_DROP 3
#define TC_CBQ_OVL_RCLASSIC 4
unsigned char priority2;
+ __u16 pad;
__u32 penalty;
};
-struct tc_cbq_police
-{
+struct tc_cbq_police {
unsigned char police;
unsigned char __res1;
unsigned short __res2;
};
-struct tc_cbq_fopt
-{
+struct tc_cbq_fopt {
__u32 split;
__u32 defmap;
__u32 defchange;
};
-struct tc_cbq_xstats
-{
+struct tc_cbq_xstats {
__u32 borrows;
__u32 overactions;
__s32 avgidle;
__s32 undertime;
};
-enum
-{
+enum {
TCA_CBQ_UNSPEC,
TCA_CBQ_LSSOPT,
TCA_CBQ_WRROPT,
/* Network emulator */
-enum
-{
+enum {
TCA_NETEM_UNSPEC,
TCA_NETEM_CORR,
TCA_NETEM_DELAY_DIST,
+ TCA_NETEM_REORDER,
+ TCA_NETEM_CORRUPT,
+ TCA_NETEM_LOSS,
__TCA_NETEM_MAX,
};
#define TCA_NETEM_MAX (__TCA_NETEM_MAX - 1)
-struct tc_netem_qopt
-{
+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 delay all) */
+ __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
-{
+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;
+};
+
+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
+
+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];
+};
+
+/* 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;
+};
#endif
projects / lisovros / iproute2_canprio.git / blobdiff