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c1c5c723 PB |
1 | /* |
2 | * Copyright (c) 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017 Nicira, Inc. | |
f98e418f | 3 | * Copyright (c) 2016 Mellanox Technologies, Ltd. |
c1c5c723 PB |
4 | * |
5 | * Licensed under the Apache License, Version 2.0 (the "License"); | |
6 | * you may not use this file except in compliance with the License. | |
7 | * You may obtain a copy of the License at: | |
8 | * | |
9 | * http://www.apache.org/licenses/LICENSE-2.0 | |
10 | * | |
11 | * Unless required by applicable law or agreed to in writing, software | |
12 | * distributed under the License is distributed on an "AS IS" BASIS, | |
13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
14 | * See the License for the specific language governing permissions and | |
15 | * limitations under the License. | |
16 | */ | |
17 | ||
18 | #ifndef TC_H | |
19 | #define TC_H 1 | |
20 | ||
b2befd5b | 21 | #include <sys/types.h> |
de4a611f | 22 | #include <netinet/in.h> /* Must happen before linux/pkt_cls.h - Glibc #20215 */ |
c1c5c723 PB |
23 | #include <linux/pkt_cls.h> |
24 | #include <linux/pkt_sched.h> | |
ef3767f5 JS |
25 | |
26 | #include "netlink-socket.h" | |
f98e418f | 27 | #include "odp-netlink.h" |
c1c5c723 | 28 | #include "openvswitch/ofpbuf.h" |
f9885dc5 | 29 | #include "openvswitch/flow.h" |
c1c5c723 | 30 | |
f98e418f RD |
31 | /* For backwards compatability with older kernels */ |
32 | #ifndef TC_H_CLSACT | |
33 | #define TC_H_CLSACT TC_H_INGRESS | |
34 | #endif | |
35 | #ifndef TC_H_MIN_INGRESS | |
36 | #define TC_H_MIN_INGRESS 0xFFF2U | |
37 | #endif | |
38 | ||
39 | #define TC_INGRESS_PARENT TC_H_MAKE(TC_H_CLSACT, TC_H_MIN_INGRESS) | |
40 | ||
691d20cb PB |
41 | #define TC_POLICY_DEFAULT "none" |
42 | ||
837f5250 RD |
43 | /* Returns tc handle 'major':'minor'. */ |
44 | static inline unsigned int | |
45 | tc_make_handle(unsigned int major, unsigned int minor) | |
46 | { | |
47 | return TC_H_MAKE(major << 16, minor); | |
48 | } | |
49 | ||
50 | /* Returns the major number from 'handle'. */ | |
51 | static inline unsigned int | |
52 | tc_get_major(unsigned int handle) | |
53 | { | |
54 | return TC_H_MAJ(handle) >> 16; | |
55 | } | |
56 | ||
57 | /* Returns the minor number from 'handle'. */ | |
58 | static inline unsigned int | |
59 | tc_get_minor(unsigned int handle) | |
60 | { | |
61 | return TC_H_MIN(handle); | |
62 | } | |
63 | ||
c1c5c723 PB |
64 | struct tcmsg *tc_make_request(int ifindex, int type, |
65 | unsigned int flags, struct ofpbuf *); | |
66 | int tc_transact(struct ofpbuf *request, struct ofpbuf **replyp); | |
093c9458 | 67 | int tc_add_del_ingress_qdisc(int ifindex, bool add, uint32_t block_id); |
c1c5c723 | 68 | |
f98e418f RD |
69 | struct tc_cookie { |
70 | const void *data; | |
71 | size_t len; | |
72 | }; | |
73 | ||
74 | struct tc_flower_key { | |
75 | ovs_be16 eth_type; | |
76 | uint8_t ip_proto; | |
77 | ||
78 | struct eth_addr dst_mac; | |
79 | struct eth_addr src_mac; | |
80 | ||
2b1d9fa9 PB |
81 | ovs_be16 tcp_src; |
82 | ovs_be16 tcp_dst; | |
cd081043 | 83 | ovs_be16 tcp_flags; |
2b1d9fa9 PB |
84 | |
85 | ovs_be16 udp_src; | |
86 | ovs_be16 udp_dst; | |
87 | ||
88 | ovs_be16 sctp_src; | |
89 | ovs_be16 sctp_dst; | |
f98e418f | 90 | |
f9885dc5 JL |
91 | uint16_t vlan_id[FLOW_MAX_VLAN_HEADERS]; |
92 | uint8_t vlan_prio[FLOW_MAX_VLAN_HEADERS]; | |
f98e418f | 93 | |
f9885dc5 | 94 | ovs_be16 encap_eth_type[FLOW_MAX_VLAN_HEADERS]; |
f98e418f | 95 | |
83e86606 | 96 | uint8_t flags; |
0b4b5203 PB |
97 | uint8_t ip_ttl; |
98 | ||
2b1d9fa9 PB |
99 | struct { |
100 | ovs_be32 ipv4_src; | |
101 | ovs_be32 ipv4_dst; | |
8ada482b | 102 | uint8_t rewrite_ttl; |
2b1d9fa9 PB |
103 | } ipv4; |
104 | struct { | |
105 | struct in6_addr ipv6_src; | |
106 | struct in6_addr ipv6_dst; | |
107 | } ipv6; | |
f98e418f RD |
108 | }; |
109 | ||
0c70132c CM |
110 | enum tc_action_type { |
111 | TC_ACT_OUTPUT, | |
112 | TC_ACT_ENCAP, | |
113 | TC_ACT_PEDIT, | |
114 | TC_ACT_VLAN_POP, | |
115 | TC_ACT_VLAN_PUSH, | |
116 | }; | |
117 | ||
118 | struct tc_action { | |
119 | union { | |
120 | int ifindex_out; | |
121 | ||
122 | struct { | |
61e8655c | 123 | ovs_be16 vlan_push_tpid; |
0c70132c CM |
124 | uint16_t vlan_push_id; |
125 | uint8_t vlan_push_prio; | |
126 | } vlan; | |
127 | ||
128 | struct { | |
129 | ovs_be64 id; | |
130 | ovs_be16 tp_src; | |
131 | ovs_be16 tp_dst; | |
132 | struct { | |
133 | ovs_be32 ipv4_src; | |
134 | ovs_be32 ipv4_dst; | |
135 | } ipv4; | |
136 | struct { | |
137 | struct in6_addr ipv6_src; | |
138 | struct in6_addr ipv6_dst; | |
139 | } ipv6; | |
140 | } encap; | |
141 | }; | |
142 | ||
143 | enum tc_action_type type; | |
144 | }; | |
145 | ||
d63ca532 GT |
146 | enum tc_offloaded_state { |
147 | TC_OFFLOADED_STATE_UNDEFINED, | |
148 | TC_OFFLOADED_STATE_IN_HW, | |
149 | TC_OFFLOADED_STATE_NOT_IN_HW, | |
150 | }; | |
151 | ||
f98e418f RD |
152 | struct tc_flower { |
153 | uint32_t handle; | |
154 | uint32_t prio; | |
155 | ||
156 | struct tc_flower_key key; | |
157 | struct tc_flower_key mask; | |
158 | ||
0c70132c CM |
159 | int action_count; |
160 | struct tc_action actions[TCA_ACT_MAX_PRIO]; | |
f98e418f RD |
161 | |
162 | struct ovs_flow_stats stats; | |
163 | uint64_t lastused; | |
164 | ||
8ada482b PB |
165 | struct { |
166 | bool rewrite; | |
167 | struct tc_flower_key key; | |
168 | struct tc_flower_key mask; | |
169 | } rewrite; | |
170 | ||
171 | uint32_t csum_update_flags; | |
172 | ||
f98e418f RD |
173 | struct { |
174 | bool tunnel; | |
175 | struct { | |
176 | ovs_be32 ipv4_src; | |
177 | ovs_be32 ipv4_dst; | |
178 | } ipv4; | |
179 | struct { | |
180 | struct in6_addr ipv6_src; | |
181 | struct in6_addr ipv6_dst; | |
182 | } ipv6; | |
183 | ovs_be64 id; | |
184 | ovs_be16 tp_src; | |
185 | ovs_be16 tp_dst; | |
186 | } tunnel; | |
187 | ||
188 | struct tc_cookie act_cookie; | |
d6118e62 PB |
189 | |
190 | bool needs_full_ip_proto_mask; | |
d63ca532 GT |
191 | |
192 | enum tc_offloaded_state offloaded_state; | |
f98e418f RD |
193 | }; |
194 | ||
8ada482b PB |
195 | /* assert that if we overflow with a masked write of uint32_t to the last byte |
196 | * of flower.rewrite we overflow inside struct flower. | |
197 | * shouldn't happen unless someone moves rewrite to the end of flower */ | |
198 | BUILD_ASSERT_DECL(offsetof(struct tc_flower, rewrite) | |
199 | + MEMBER_SIZEOF(struct tc_flower, rewrite) | |
200 | + sizeof(uint32_t) - 2 < sizeof(struct tc_flower)); | |
201 | ||
f98e418f | 202 | int tc_replace_flower(int ifindex, uint16_t prio, uint32_t handle, |
093c9458 JH |
203 | struct tc_flower *flower, uint32_t block_id); |
204 | int tc_del_filter(int ifindex, int prio, int handle, uint32_t block_id); | |
f98e418f | 205 | int tc_get_flower(int ifindex, int prio, int handle, |
093c9458 JH |
206 | struct tc_flower *flower, uint32_t block_id); |
207 | int tc_flush(int ifindex, uint32_t block_id); | |
208 | int tc_dump_flower_start(int ifindex, struct nl_dump *dump, uint32_t block_id); | |
f98e418f RD |
209 | int parse_netlink_to_tc_flower(struct ofpbuf *reply, |
210 | struct tc_flower *flower); | |
691d20cb | 211 | void tc_set_policy(const char *policy); |
f98e418f | 212 | |
c1c5c723 | 213 | #endif /* tc.h */ |