1 ;;; Copyright (c) 2016 Cisco and/or its affiliates.
2 ;;; Licensed under the Apache License, Version 2.0 (the "License");
3 ;;; you may not use this file except in compliance with the License.
4 ;;; You may obtain a copy of the License at:
6 ;;; http://www.apache.org/licenses/LICENSE-2.0
8 ;;; Unless required by applicable law or agreed to in writing, software
9 ;;; distributed under the License is distributed on an "AS IS" BASIS,
10 ;;; WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
11 ;;; See the License for the specific language governing permissions and
12 ;;; limitations under the License.
14 ;;; tunnel-h-skel.el - tunnel encap header file skeleton
18 (define-skeleton skel-tunnel-h
19 "Insert a tunnel encap header file"
21 '(setq encap_stack (skeleton-read "encap_stack (e.g ip4_udp_lisp): "))
22 '(setq ENCAP_STACK (upcase encap_stack))
23 '(setq encap-stack (replace-regexp-in-string "_" "-" encap_stack))
25 #ifndef included_vnet_" encap_stack "_h
26 #define included_vnet_" encap_stack "_h
28 #include <vppinfra/error.h>
29 #include <vppinfra/hash.h>
30 #include <vnet/vnet.h>
31 #include <vnet/ip/ip.h>
32 #include <vnet/l2/l2_input.h>
33 #include <vnet/ethernet/ethernet.h>
34 #include <vnet/" encap-stack "/" encap_stack "_packet.h>
35 #include <vnet/ip/ip4_packet.h>
36 #include <vnet/ip/udp.h>
38 /* Encap stack built in encap.c */
39 typedef CLIB_PACKED (struct {
40 ip4_header_t ip4; /* 20 bytes */
41 udp_header_t udp; /* 8 bytes */
42 " encap_stack "_header_t lisp; /* 8 bytes */
43 }) " encap_stack "_header_t;
45 typedef CLIB_PACKED(struct {
48 * all fields in NET byte order
52 u32 FIXME_NET_BYTE_ORDER;
56 }) " encap_stack "_tunnel_key_t;
59 /* Rewrite string. $$$$ maybe: embed vnet_rewrite header */
62 /* decap next index */
65 /* tunnel src and dst addresses */
70 u32 encap_fib_index; /* tunnel partner lookup here */
71 u32 decap_fib_index; /* inner IP lookup here */
73 /* vnet intfc hw/sw_if_index */
76 /* encap header fields in HOST byte order */
78 } " encap_stack "_tunnel_t;
80 #define foreach_" encap_stack "_input_next \\
81 _(DROP, \"error-drop\") \\
82 _(IP4_INPUT, \"ip4-input\") \\
83 _(IP6_INPUT, \"ip6-input\") \\
84 _(ETHERNET_INPUT, \"ethernet-input\") \\
85 _(" ENCAP_STACK "_ENCAP, \"" encap-stack "-encap\")
88 #define _(s,n) " ENCAP_STACK "_INPUT_NEXT_##s,
89 foreach_" encap_stack "_input_next
91 " ENCAP_STACK "_INPUT_N_NEXT,
92 } " encap_stack "_input_next_t;
95 #define " encap_stack "_error(n,s) " ENCAP_STACK "_ERROR_##n,
96 #include <vnet/" encap-stack "/" encap_stack "_error.def>
97 #undef " encap_stack "_error
98 " ENCAP_STACK "_N_ERROR,
99 } " encap_stack "_input_error_t;
102 /* vector of encap tunnel instances */
103 " encap_stack "_tunnel_t *tunnels;
105 /* lookup tunnel by key */
106 uword * " encap_stack "_tunnel_by_key;
108 /* Free vlib hw_if_indices */
109 u32 * free_" encap_stack "_tunnel_hw_if_indices;
112 vlib_main_t * vlib_main;
113 vnet_main_t * vnet_main;
114 } " encap_stack "_main_t;
116 " encap_stack "_main_t " encap_stack "_main;
118 vlib_node_registration_t " encap_stack "_input_node;
119 vlib_node_registration_t " encap_stack "_encap_node;
121 u8 * format_" encap_stack "_encap_trace (u8 * s, va_list * args);
122 u8 * format_" encap_stack "_header_with_length (u8 * s, va_list * args);
126 ip4_address_t src, dst;
129 u32 decap_next_index;
130 /* encap fields in HOST byte order */
131 u8 FIXME_HOST_BYTE_ORDER;
132 } vnet_" encap_stack "_add_del_tunnel_args_t;
134 int vnet_" encap_stack "_add_del_tunnel
135 (vnet_" encap_stack "_add_del_tunnel_args_t *a, u32 * hw_if_indexp);
137 u8 * format_" encap_stack "_header_with_length (u8 * s, va_list * args);
139 #endif /* included_vnet_" encap_stack "_h */