#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
-{
+struct tc_stats {
__u64 bytes; /* NUmber of enqueues bytes */
__u32 packets; /* Number of enqueued packets */
__u32 drops; /* Packets dropped because of lack of resources */
__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 */
};
#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) */
#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)
-struct tc_gred_qopt
-{
+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) */
};
/* gred setup */
-struct tc_gred_sopt
-{
+struct tc_gred_sopt {
__u32 DPs;
__u32 def_DP;
__u8 grio;
#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 */
/* stats */
__u32 direct_pkts; /* count of non shapped 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
__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_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 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
-{
+struct tc_netem_reorder {
+ __u32 probability;
+ __u32 correlation;
+};
+
+struct tc_netem_corrupt {
__u32 probability;
__u32 correlation;
};
#define NETEM_DIST_SCALE 8192
+/* 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;
+};
+
#endif
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff