]>
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 */ |