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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" |
202469aa | 30 | #include "openvswitch/tun-metadata.h" |
c1c5c723 | 31 | |
f98e418f RD |
32 | /* For backwards compatability with older kernels */ |
33 | #ifndef TC_H_CLSACT | |
34 | #define TC_H_CLSACT TC_H_INGRESS | |
35 | #endif | |
36 | #ifndef TC_H_MIN_INGRESS | |
37 | #define TC_H_MIN_INGRESS 0xFFF2U | |
38 | #endif | |
39 | ||
40 | #define TC_INGRESS_PARENT TC_H_MAKE(TC_H_CLSACT, TC_H_MIN_INGRESS) | |
41 | ||
691d20cb PB |
42 | #define TC_POLICY_DEFAULT "none" |
43 | ||
837f5250 RD |
44 | /* Returns tc handle 'major':'minor'. */ |
45 | static inline unsigned int | |
46 | tc_make_handle(unsigned int major, unsigned int minor) | |
47 | { | |
48 | return TC_H_MAKE(major << 16, minor); | |
49 | } | |
50 | ||
51 | /* Returns the major number from 'handle'. */ | |
52 | static inline unsigned int | |
53 | tc_get_major(unsigned int handle) | |
54 | { | |
55 | return TC_H_MAJ(handle) >> 16; | |
56 | } | |
57 | ||
58 | /* Returns the minor number from 'handle'. */ | |
59 | static inline unsigned int | |
60 | tc_get_minor(unsigned int handle) | |
61 | { | |
62 | return TC_H_MIN(handle); | |
63 | } | |
64 | ||
c1c5c723 PB |
65 | struct tcmsg *tc_make_request(int ifindex, int type, |
66 | unsigned int flags, struct ofpbuf *); | |
67 | int tc_transact(struct ofpbuf *request, struct ofpbuf **replyp); | |
093c9458 | 68 | int tc_add_del_ingress_qdisc(int ifindex, bool add, uint32_t block_id); |
c1c5c723 | 69 | |
f98e418f RD |
70 | struct tc_cookie { |
71 | const void *data; | |
72 | size_t len; | |
73 | }; | |
74 | ||
75 | struct tc_flower_key { | |
76 | ovs_be16 eth_type; | |
77 | uint8_t ip_proto; | |
78 | ||
79 | struct eth_addr dst_mac; | |
80 | struct eth_addr src_mac; | |
81 | ||
34b16955 | 82 | ovs_be32 mpls_lse; |
2b1d9fa9 PB |
83 | ovs_be16 tcp_src; |
84 | ovs_be16 tcp_dst; | |
cd081043 | 85 | ovs_be16 tcp_flags; |
2b1d9fa9 PB |
86 | |
87 | ovs_be16 udp_src; | |
88 | ovs_be16 udp_dst; | |
89 | ||
90 | ovs_be16 sctp_src; | |
91 | ovs_be16 sctp_dst; | |
f98e418f | 92 | |
f9885dc5 JL |
93 | uint16_t vlan_id[FLOW_MAX_VLAN_HEADERS]; |
94 | uint8_t vlan_prio[FLOW_MAX_VLAN_HEADERS]; | |
f98e418f | 95 | |
f9885dc5 | 96 | ovs_be16 encap_eth_type[FLOW_MAX_VLAN_HEADERS]; |
f98e418f | 97 | |
83e86606 | 98 | uint8_t flags; |
0b4b5203 | 99 | uint8_t ip_ttl; |
dfa2ccdb | 100 | uint8_t ip_tos; |
0b4b5203 | 101 | |
2b1d9fa9 PB |
102 | struct { |
103 | ovs_be32 ipv4_src; | |
104 | ovs_be32 ipv4_dst; | |
8ada482b | 105 | uint8_t rewrite_ttl; |
2b1d9fa9 PB |
106 | } ipv4; |
107 | struct { | |
108 | struct in6_addr ipv6_src; | |
109 | struct in6_addr ipv6_dst; | |
110 | } ipv6; | |
105e8179 OG |
111 | |
112 | struct { | |
113 | struct { | |
114 | ovs_be32 ipv4_src; | |
115 | ovs_be32 ipv4_dst; | |
116 | } ipv4; | |
117 | struct { | |
118 | struct in6_addr ipv6_src; | |
119 | struct in6_addr ipv6_dst; | |
120 | } ipv6; | |
121 | uint8_t tos; | |
122 | uint8_t ttl; | |
123 | ovs_be16 tp_src; | |
124 | ovs_be16 tp_dst; | |
125 | ovs_be64 id; | |
126 | } tunnel; | |
f98e418f RD |
127 | }; |
128 | ||
0c70132c CM |
129 | enum tc_action_type { |
130 | TC_ACT_OUTPUT, | |
131 | TC_ACT_ENCAP, | |
132 | TC_ACT_PEDIT, | |
133 | TC_ACT_VLAN_POP, | |
134 | TC_ACT_VLAN_PUSH, | |
135 | }; | |
136 | ||
137 | struct tc_action { | |
138 | union { | |
139 | int ifindex_out; | |
140 | ||
141 | struct { | |
61e8655c | 142 | ovs_be16 vlan_push_tpid; |
0c70132c CM |
143 | uint16_t vlan_push_id; |
144 | uint8_t vlan_push_prio; | |
145 | } vlan; | |
146 | ||
147 | struct { | |
148 | ovs_be64 id; | |
149 | ovs_be16 tp_src; | |
150 | ovs_be16 tp_dst; | |
4b12e454 OG |
151 | uint8_t tos; |
152 | uint8_t ttl; | |
0c70132c CM |
153 | struct { |
154 | ovs_be32 ipv4_src; | |
155 | ovs_be32 ipv4_dst; | |
156 | } ipv4; | |
157 | struct { | |
158 | struct in6_addr ipv6_src; | |
159 | struct in6_addr ipv6_dst; | |
160 | } ipv6; | |
202469aa | 161 | struct tun_metadata data; |
0c70132c CM |
162 | } encap; |
163 | }; | |
164 | ||
165 | enum tc_action_type type; | |
166 | }; | |
167 | ||
d63ca532 GT |
168 | enum tc_offloaded_state { |
169 | TC_OFFLOADED_STATE_UNDEFINED, | |
170 | TC_OFFLOADED_STATE_IN_HW, | |
171 | TC_OFFLOADED_STATE_NOT_IN_HW, | |
172 | }; | |
173 | ||
f98e418f RD |
174 | struct tc_flower { |
175 | uint32_t handle; | |
176 | uint32_t prio; | |
177 | ||
178 | struct tc_flower_key key; | |
179 | struct tc_flower_key mask; | |
180 | ||
0c70132c CM |
181 | int action_count; |
182 | struct tc_action actions[TCA_ACT_MAX_PRIO]; | |
f98e418f RD |
183 | |
184 | struct ovs_flow_stats stats; | |
185 | uint64_t lastused; | |
186 | ||
8ada482b PB |
187 | struct { |
188 | bool rewrite; | |
189 | struct tc_flower_key key; | |
190 | struct tc_flower_key mask; | |
191 | } rewrite; | |
192 | ||
193 | uint32_t csum_update_flags; | |
194 | ||
105e8179 | 195 | bool tunnel; |
f98e418f RD |
196 | |
197 | struct tc_cookie act_cookie; | |
d6118e62 PB |
198 | |
199 | bool needs_full_ip_proto_mask; | |
d63ca532 GT |
200 | |
201 | enum tc_offloaded_state offloaded_state; | |
f98e418f RD |
202 | }; |
203 | ||
8ada482b PB |
204 | /* assert that if we overflow with a masked write of uint32_t to the last byte |
205 | * of flower.rewrite we overflow inside struct flower. | |
206 | * shouldn't happen unless someone moves rewrite to the end of flower */ | |
207 | BUILD_ASSERT_DECL(offsetof(struct tc_flower, rewrite) | |
208 | + MEMBER_SIZEOF(struct tc_flower, rewrite) | |
209 | + sizeof(uint32_t) - 2 < sizeof(struct tc_flower)); | |
210 | ||
f98e418f | 211 | int tc_replace_flower(int ifindex, uint16_t prio, uint32_t handle, |
093c9458 JH |
212 | struct tc_flower *flower, uint32_t block_id); |
213 | int tc_del_filter(int ifindex, int prio, int handle, uint32_t block_id); | |
f98e418f | 214 | int tc_get_flower(int ifindex, int prio, int handle, |
093c9458 JH |
215 | struct tc_flower *flower, uint32_t block_id); |
216 | int tc_flush(int ifindex, uint32_t block_id); | |
217 | int tc_dump_flower_start(int ifindex, struct nl_dump *dump, uint32_t block_id); | |
f98e418f RD |
218 | int parse_netlink_to_tc_flower(struct ofpbuf *reply, |
219 | struct tc_flower *flower); | |
691d20cb | 220 | void tc_set_policy(const char *policy); |
f98e418f | 221 | |
c1c5c723 | 222 | #endif /* tc.h */ |