projects / mirror_frr.git / blame
| Commit | Line | Data |
|---|---|---|
| acddc0ed | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
| c317d3f2 SY |
2 | /* |
| 3 | * Traffic Control (TC) main header | |
| 4 | * Copyright (C) 2022 Shichu Yang | |
| c317d3f2 SY |
5 | */ |
| 6 | ||
| 7 | #ifndef _TC_H | |
| 8 | #define _TC_H | |
| 9 | ||
| 10 | #include <zebra.h> | |
| 11 | #include "stream.h" | |
| 12 | ||
| 13 | #ifdef __cplusplus | |
| 14 | extern "C" { | |
| 15 | #endif | |
| 16 | ||
| 17 | #define TC_STR "Traffic Control\n" | |
| 18 | ||
| 19 | /* qdisc definitions */ | |
| 20 | ||
| 21 | /* qdisc kind (same as class kinds) */ | |
| 22 | enum tc_qdisc_kind { | |
| 23 | TC_QDISC_UNSPEC, | |
| 24 | TC_QDISC_HTB, | |
| 25 | TC_QDISC_NOQUEUE, | |
| 26 | }; | |
| 27 | ||
| 28 | struct tc_qdisc_htb { | |
| 29 | /* currently no members */ | |
| 30 | }; | |
| 31 | ||
| 32 | struct tc_qdisc { | |
| 33 | ifindex_t ifindex; | |
| 34 | ||
| 35 | enum tc_qdisc_kind kind; | |
| 36 | union { | |
| 37 | struct tc_qdisc_htb htb; | |
| 38 | } u; | |
| 39 | }; | |
| 40 | ||
| 41 | /* class definitions */ | |
| 42 | ||
| 43 | /* since classes share the same kinds of qdisc, duplicates omitted */ | |
| 44 | struct tc_class_htb { | |
| 45 | uint64_t rate; | |
| 46 | uint64_t ceil; | |
| 47 | }; | |
| 48 | ||
| 49 | struct tc_class { | |
| 50 | ifindex_t ifindex; | |
| 51 | uint32_t handle; | |
| 52 | ||
| 53 | enum tc_qdisc_kind kind; | |
| 54 | union { | |
| 55 | struct tc_class_htb htb; | |
| 56 | } u; | |
| 57 | }; | |
| 58 | ||
| 59 | /* filter definitions */ | |
| 60 | ||
| 61 | /* filter kinds */ | |
| 62 | enum tc_filter_kind { | |
| 63 | TC_FILTER_UNSPEC, | |
| 64 | TC_FILTER_BPF, | |
| 65 | TC_FILTER_FLOW, | |
| 66 | TC_FILTER_FLOWER, | |
| 67 | TC_FILTER_U32, | |
| 68 | }; | |
| 69 | ||
| 70 | struct tc_bpf { | |
| 71 | /* TODO: fill in */ | |
| 72 | }; | |
| 73 | ||
| 74 | struct tc_flow { | |
| 75 | /* TODO: fill in */ | |
| 76 | }; | |
| 77 | ||
| 78 | struct tc_flower { | |
| 79 | uint32_t classid; | |
| 80 | ||
| 81 | #define TC_FLOWER_IP_PROTOCOL (1 << 0) | |
| 82 | #define TC_FLOWER_SRC_IP (1 << 1) | |
| 83 | #define TC_FLOWER_DST_IP (1 << 2) | |
| 84 | #define TC_FLOWER_SRC_PORT (1 << 3) | |
| 85 | #define TC_FLOWER_DST_PORT (1 << 4) | |
| 86 | #define TC_FLOWER_DSFIELD (1 << 5) | |
| 87 | ||
| 88 | uint32_t filter_bm; | |
| 89 | ||
| 90 | uint8_t ip_proto; | |
| 91 | ||
| 92 | struct prefix src_ip; | |
| 93 | struct prefix dst_ip; | |
| 94 | ||
| 95 | uint16_t src_port_min; | |
| 96 | uint16_t src_port_max; | |
| 97 | uint16_t dst_port_min; | |
| 98 | uint16_t dst_port_max; | |
| 99 | ||
| 100 | uint8_t dsfield; | |
| 101 | uint8_t dsfield_mask; | |
| 102 | }; | |
| 103 | ||
| 104 | struct tc_u32 { | |
| 105 | /* TODO: fill in */ | |
| 106 | }; | |
| 107 | ||
| 108 | struct tc_filter { | |
| 109 | ifindex_t ifindex; | |
| 110 | uint32_t handle; | |
| 111 | ||
| 112 | uint32_t priority; | |
| 113 | uint16_t protocol; | |
| 114 | ||
| 115 | enum tc_filter_kind kind; | |
| 116 | ||
| 117 | union { | |
| 118 | struct tc_bpf bpf; | |
| 119 | struct tc_flow flow; | |
| 120 | struct tc_flower flower; | |
| 121 | struct tc_u32 u32; | |
| 122 | } u; | |
| 123 | }; | |
| 124 | ||
| 125 | extern int tc_getrate(const char *str, uint64_t *rate); | |
| 126 | ||
| 127 | extern int zapi_tc_qdisc_encode(uint8_t cmd, struct stream *s, | |
| 128 | struct tc_qdisc *qdisc); | |
| 129 | extern int zapi_tc_class_encode(uint8_t cmd, struct stream *s, | |
| 130 | struct tc_class *class); | |
| 131 | extern int zapi_tc_filter_encode(uint8_t cmd, struct stream *s, | |
| 132 | struct tc_filter *filter); | |
| 133 | ||
| 134 | #ifdef __cplusplus | |
| 135 | } | |
| 136 | #endif | |
| 137 | ||
| 138 | #endif /* _TC_H */ |