0 "lm_J*j"Tr*bѿ h0000000b "lm_J*j"Tr'ţ h0 _I|Mjq؂File not found.   File not found. + l=J!e8Ep Tţ 4_I|+? /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef __LINUX_PKT_SCHED_H #define __LINUX_PKT_SCHED_H #include #include /* 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; /* Qu