2 *------------------------------------------------------------------
3 * ipsec_gre_api.c - ipsec_gre api
5 * Copyright (c) 2016 Cisco and/or its affiliates.
6 * Licensed under the Apache License, Version 2.0 (the "License");
7 * you may not use this file except in compliance with the License.
8 * You may obtain a copy of the License at:
10 * http://www.apache.org/licenses/LICENSE-2.0
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
17 *------------------------------------------------------------------
20 #include <vnet/vnet.h>
21 #include <vlibmemory/api.h>
23 #include <vnet/interface.h>
24 #include <vnet/api_errno.h>
25 #include <vnet/ipsec-gre/ipsec_gre.h>
27 #include <vnet/vnet_msg_enum.h>
29 #define vl_typedefs /* define message structures */
30 #include <vnet/vnet_all_api_h.h>
33 #define vl_endianfun /* define message structures */
34 #include <vnet/vnet_all_api_h.h>
37 /* instantiate all the print functions we know about */
38 #define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
40 #include <vnet/vnet_all_api_h.h>
43 #include <vlibapi/api_helper_macros.h>
45 #define foreach_vpe_api_msg \
46 _(IPSEC_GRE_ADD_DEL_TUNNEL, ipsec_gre_add_del_tunnel) \
47 _(IPSEC_GRE_TUNNEL_DUMP, ipsec_gre_tunnel_dump)
50 vl_api_ipsec_gre_add_del_tunnel_t_handler (vl_api_ipsec_gre_add_del_tunnel_t *
53 vl_api_ipsec_gre_add_del_tunnel_reply_t *rmp;
55 vnet_ipsec_gre_add_del_tunnel_args_t _a, *a = &_a;
58 /* Check src & dst are different */
59 if (memcmp (mp->src_address, mp->dst_address, 4) == 0)
61 rv = VNET_API_ERROR_SAME_SRC_DST;
65 memset (a, 0, sizeof (*a));
67 /* ip addresses sent in network byte order */
68 clib_memcpy (&(a->src), mp->src_address, 4);
69 clib_memcpy (&(a->dst), mp->dst_address, 4);
70 a->is_add = mp->is_add;
71 a->lsa = ntohl (mp->local_sa_id);
72 a->rsa = ntohl (mp->remote_sa_id);
74 rv = vnet_ipsec_gre_add_del_tunnel (a, &sw_if_index);
78 REPLY_MACRO2(VL_API_GRE_ADD_DEL_TUNNEL_REPLY,
80 rmp->sw_if_index = ntohl (sw_if_index);
85 static void send_ipsec_gre_tunnel_details
86 (ipsec_gre_tunnel_t * t, vl_api_registration_t * reg, u32 context)
88 vl_api_ipsec_gre_tunnel_details_t *rmp;
90 rmp = vl_msg_api_alloc (sizeof (*rmp));
91 memset (rmp, 0, sizeof (*rmp));
92 rmp->_vl_msg_id = ntohs (VL_API_IPSEC_GRE_TUNNEL_DETAILS);
93 clib_memcpy (rmp->src_address, &(t->tunnel_src), 4);
94 clib_memcpy (rmp->dst_address, &(t->tunnel_dst), 4);
95 rmp->sw_if_index = htonl (t->sw_if_index);
96 rmp->local_sa_id = htonl (t->local_sa_id);
97 rmp->remote_sa_id = htonl (t->remote_sa_id);
98 rmp->context = context;
100 vl_api_send_msg (reg, (u8 *) rmp);
103 static void vl_api_ipsec_gre_tunnel_dump_t_handler
104 (vl_api_ipsec_gre_tunnel_dump_t * mp)
106 vl_api_registration_t *reg;
107 ipsec_gre_main_t *igm = &ipsec_gre_main;
108 ipsec_gre_tunnel_t *t;
111 reg = vl_api_client_index_to_registration (mp->client_index);
115 sw_if_index = ntohl (mp->sw_if_index);
117 if (~0 == sw_if_index)
120 pool_foreach (t, igm->tunnels,
122 send_ipsec_gre_tunnel_details(t, reg, mp->context);
128 if ((sw_if_index >= vec_len (igm->tunnel_index_by_sw_if_index)) ||
129 (~0 == igm->tunnel_index_by_sw_if_index[sw_if_index]))
133 t = &igm->tunnels[igm->tunnel_index_by_sw_if_index[sw_if_index]];
134 send_ipsec_gre_tunnel_details (t, reg, mp->context);
139 * ipsec_gre_api_hookup
140 * Add vpe's API message handlers to the table.
141 * vlib has alread mapped shared memory and
142 * added the client registration handlers.
143 * See .../vlib-api/vlibmemory/memclnt_vlib.c:memclnt_process()
145 #define vl_msg_name_crc_list
146 #include <vnet/vnet_all_api_h.h>
147 #undef vl_msg_name_crc_list
150 setup_message_id_table (api_main_t * am)
152 #define _(id,n,crc) vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id);
153 foreach_vl_msg_name_crc_ipsec_gre;
157 static clib_error_t *
158 ipsec_gre_api_hookup (vlib_main_t * vm)
160 api_main_t *am = &api_main;
163 vl_msg_api_set_handlers(VL_API_##N, #n, \
164 vl_api_##n##_t_handler, \
166 vl_api_##n##_t_endian, \
167 vl_api_##n##_t_print, \
168 sizeof(vl_api_##n##_t), 1);
173 * Set up the (msg_name, crc, message-id) table
175 setup_message_id_table (am);
180 VLIB_API_INIT_FUNCTION (ipsec_gre_api_hookup);
183 * fd.io coding-style-patch-verification: ON
186 * eval: (c-set-style "gnu")