2 * Copyright (c) 2015 Cisco and/or its affiliates.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at:
7 * http://www.apache.org/licenses/LICENSE-2.0
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
15 #ifndef included_vnet_lisp_gpe_h
16 #define included_vnet_lisp_gpe_h
18 #include <vppinfra/error.h>
19 #include <vppinfra/hash.h>
20 #include <vnet/vnet.h>
21 #include <vnet/ip/ip.h>
22 #include <vnet/l2/l2_input.h>
23 #include <vnet/ethernet/ethernet.h>
24 #include <vnet/lisp-gpe/lisp_gpe_packet.h>
25 #include <vnet/ip/ip4_packet.h>
26 #include <vnet/ip/udp.h>
28 typedef CLIB_PACKED (struct {
29 ip4_header_t ip4; /* 20 bytes */
30 udp_header_t udp; /* 8 bytes */
31 lisp_gpe_header_t lisp; /* 8 bytes */
32 }) ip4_udp_lisp_gpe_header_t;
34 typedef CLIB_PACKED(struct {
36 * Key fields: ip src, LISP iid, ??? $$$$$$$$$ correct answer ???
37 * all fields in NET byte order
46 }) lisp_gpe_tunnel_key_t;
49 /* Rewrite string. $$$$ embed vnet_rewrite header */
52 /* decap next index */
55 /* tunnel src and dst addresses */
60 u32 encap_fib_index; /* tunnel partner lookup here */
61 u32 decap_fib_index; /* inner IP lookup here */
63 /* vnet intfc hw/sw_if_index */
67 /* LISP header fields in HOST byte order */
75 #define foreach_lisp_gpe_input_next \
76 _(DROP, "error-drop") \
77 _(IP4_INPUT, "ip4-input") \
78 _(IP6_INPUT, "ip6-input") \
79 _(ETHERNET_INPUT, "ethernet-input") \
80 _(LISP_GPE_ENCAP, "lisp-gpe-encap")
83 #define _(s,n) LISP_GPE_INPUT_NEXT_##s,
84 foreach_lisp_gpe_input_next
86 LISP_GPE_INPUT_N_NEXT,
87 } lisp_gpe_input_next_t;
90 #define lisp_gpe_error(n,s) LISP_GPE_ERROR_##n,
91 #include <vnet/lisp-gpe/lisp_gpe_error.def>
94 } lisp_gpe_input_error_t;
97 /* vector of encap tunnel instances */
98 lisp_gpe_tunnel_t *tunnels;
100 /* lookup tunnel by key */
101 uword * lisp_gpe_tunnel_by_key;
103 /* Free vlib hw_if_indices */
104 u32 * free_lisp_gpe_tunnel_hw_if_indices;
107 vlib_main_t * vlib_main;
108 vnet_main_t * vnet_main;
111 lisp_gpe_main_t lisp_gpe_main;
113 vlib_node_registration_t lisp_gpe_input_node;
114 vlib_node_registration_t lisp_gpe_encap_node;
116 u8 * format_lisp_gpe_encap_trace (u8 * s, va_list * args);
117 u8 * format_lisp_gpe_header_with_length (u8 * s, va_list * args);
121 ip4_address_t src, dst;
124 u32 decap_next_index;
129 u32 iid; /* host byte order */
130 } vnet_lisp_gpe_add_del_tunnel_args_t;
132 int vnet_lisp_gpe_add_del_tunnel
133 (vnet_lisp_gpe_add_del_tunnel_args_t *a, u32 * sw_if_indexp);
135 u8 * format_lisp_gpe_header_with_length (u8 * s, va_list * args);
137 #endif /* included_vnet_lisp_gpe_h */