]>
Commit | Line | Data |
---|---|---|
6b241d64 PS |
1 | /* |
2 | * Copyright (c) 2010, 2011, 2013, 2015 Nicira, Inc. | |
3 | * | |
4 | * Licensed under the Apache License, Version 2.0 (the "License"); | |
5 | * you may not use this file except in compliance with the License. | |
6 | * You may obtain a copy of the License at: | |
7 | * | |
8 | * http://www.apache.org/licenses/LICENSE-2.0 | |
9 | * | |
10 | * Unless required by applicable law or agreed to in writing, software | |
11 | * distributed under the License is distributed on an "AS IS" BASIS, | |
12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
13 | * See the License for the specific language governing permissions and | |
14 | * limitations under the License. | |
15 | */ | |
16 | ||
17 | #ifndef NETDEV_VPORT_NATIVE_TNL_H | |
18 | #define NETDEV_VPORT_NATIVE_TNL_H 1 | |
19 | ||
20 | #include <stdbool.h> | |
21 | #include <stddef.h> | |
22 | #include "compiler.h" | |
aca40d4f TLSC |
23 | #include "dp-packet.h" |
24 | #include "packets.h" | |
6b241d64 PS |
25 | #include "unixctl.h" |
26 | ||
aca40d4f TLSC |
27 | struct netdev; |
28 | struct ovs_action_push_tnl; | |
29 | struct netdev_tnl_build_header_params; | |
30 | ||
6b241d64 PS |
31 | int |
32 | netdev_gre_build_header(const struct netdev *netdev, | |
33 | struct ovs_action_push_tnl *data, | |
4975aa3e PS |
34 | const struct netdev_tnl_build_header_params *params); |
35 | ||
6b241d64 PS |
36 | void |
37 | netdev_gre_push_header(struct dp_packet *packet, | |
38 | const struct ovs_action_push_tnl *data); | |
1c8f98d9 | 39 | struct dp_packet * |
6b241d64 PS |
40 | netdev_gre_pop_header(struct dp_packet *packet); |
41 | ||
42 | void | |
43 | netdev_tnl_push_udp_header(struct dp_packet *packet, | |
44 | const struct ovs_action_push_tnl *data); | |
45 | int | |
46 | netdev_geneve_build_header(const struct netdev *netdev, | |
47 | struct ovs_action_push_tnl *data, | |
4975aa3e PS |
48 | const struct netdev_tnl_build_header_params *params); |
49 | ||
1c8f98d9 | 50 | struct dp_packet * |
6b241d64 PS |
51 | netdev_geneve_pop_header(struct dp_packet *packet); |
52 | ||
53 | int | |
54 | netdev_vxlan_build_header(const struct netdev *netdev, | |
55 | struct ovs_action_push_tnl *data, | |
4975aa3e PS |
56 | const struct netdev_tnl_build_header_params *params); |
57 | ||
1c8f98d9 | 58 | struct dp_packet * |
6b241d64 PS |
59 | netdev_vxlan_pop_header(struct dp_packet *packet); |
60 | ||
61 | static inline bool | |
62 | netdev_tnl_is_header_ipv6(const void *header) | |
63 | { | |
64 | const struct eth_header *eth; | |
65 | eth = header; | |
66 | return eth->eth_type == htons(ETH_TYPE_IPV6); | |
67 | } | |
68 | ||
69 | static inline struct ip_header * | |
70 | netdev_tnl_ip_hdr(void *eth) | |
71 | { | |
72 | return (void *)((char *)eth + sizeof (struct eth_header)); | |
73 | } | |
74 | ||
75 | static inline struct ovs_16aligned_ip6_hdr * | |
76 | netdev_tnl_ipv6_hdr(void *eth) | |
77 | { | |
78 | return (void *)((char *)eth + sizeof (struct eth_header)); | |
79 | } | |
80 | ||
4975aa3e PS |
81 | void * |
82 | netdev_tnl_ip_build_header(struct ovs_action_push_tnl *data, | |
83 | const struct netdev_tnl_build_header_params *params, | |
84 | uint8_t next_proto); | |
85 | ||
6b241d64 PS |
86 | extern uint16_t tnl_udp_port_min; |
87 | extern uint16_t tnl_udp_port_max; | |
88 | ||
89 | static inline ovs_be16 | |
90 | netdev_tnl_get_src_port(struct dp_packet *packet) | |
91 | { | |
92 | uint32_t hash; | |
93 | ||
94 | hash = dp_packet_get_rss_hash(packet); | |
95 | ||
96 | return htons((((uint64_t) hash * (tnl_udp_port_max - tnl_udp_port_min)) >> 32) + | |
97 | tnl_udp_port_min); | |
98 | } | |
99 | ||
100 | void * | |
101 | netdev_tnl_ip_extract_tnl_md(struct dp_packet *packet, struct flow_tnl *tnl, | |
102 | unsigned int *hlen); | |
103 | void * | |
104 | netdev_tnl_push_ip_header(struct dp_packet *packet, | |
105 | const void *header, int size, int *ip_tot_size); | |
106 | void | |
107 | netdev_tnl_egress_port_range(struct unixctl_conn *conn, int argc, | |
108 | const char *argv[], void *aux OVS_UNUSED); | |
109 | #endif |