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>
26 #include <vnet/ip/ip_types_api.h>
28 #include <vnet/vnet_msg_enum.h>
30 #define vl_typedefs /* define message structures */
31 #include <vnet/vnet_all_api_h.h>
34 #define vl_endianfun /* define message structures */
35 #include <vnet/vnet_all_api_h.h>
38 /* instantiate all the print functions we know about */
39 #define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
41 #include <vnet/vnet_all_api_h.h>
44 #include <vlibapi/api_helper_macros.h>
46 #define foreach_vpe_api_msg \
47 _(IPSEC_GRE_TUNNEL_ADD_DEL, ipsec_gre_tunnel_add_del) \
48 _(IPSEC_GRE_TUNNEL_DUMP, ipsec_gre_tunnel_dump)
51 vl_api_ipsec_gre_tunnel_add_del_t_handler (vl_api_ipsec_gre_tunnel_add_del_t *
54 vl_api_ipsec_gre_tunnel_add_del_reply_t *rmp;
56 ipsec_gre_tunnel_add_del_args_t _a, *a = &_a;
59 clib_memset (a, 0, sizeof (*a));
61 ip4_address_decode (mp->tunnel.src, &a->src);
62 ip4_address_decode (mp->tunnel.dst, &a->dst);
64 /* Check src & dst are different */
65 if (a->src.as_u32 == a->dst.as_u32)
67 rv = VNET_API_ERROR_SAME_SRC_DST;
71 a->is_add = mp->is_add;
72 a->local_sa_id = ntohl (mp->tunnel.local_sa_id);
73 a->remote_sa_id = ntohl (mp->tunnel.remote_sa_id);
75 rv = vnet_ipsec_gre_tunnel_add_del (a, &sw_if_index);
79 REPLY_MACRO2(VL_API_IPSEC_GRE_TUNNEL_ADD_DEL_REPLY,
81 rmp->sw_if_index = ntohl (sw_if_index);
86 static void send_ipsec_gre_tunnel_details
87 (ipsec_gre_tunnel_t * t, vl_api_registration_t * reg, u32 context)
89 vl_api_ipsec_gre_tunnel_details_t *rmp;
91 rmp = vl_msg_api_alloc (sizeof (*rmp));
92 clib_memset (rmp, 0, sizeof (*rmp));
93 rmp->_vl_msg_id = ntohs (VL_API_IPSEC_GRE_TUNNEL_DETAILS);
95 ip4_address_encode (&t->tunnel_src, rmp->tunnel.src);
96 ip4_address_encode (&t->tunnel_dst, rmp->tunnel.dst);
97 rmp->tunnel.sw_if_index = htonl (t->sw_if_index);
98 rmp->tunnel.local_sa_id = htonl (t->local_sa_id);
99 rmp->tunnel.remote_sa_id = htonl (t->remote_sa_id);
100 rmp->context = context;
102 vl_api_send_msg (reg, (u8 *) rmp);
105 static void vl_api_ipsec_gre_tunnel_dump_t_handler
106 (vl_api_ipsec_gre_tunnel_dump_t * mp)
108 vl_api_registration_t *reg;
109 ipsec_gre_main_t *igm = &ipsec_gre_main;
110 ipsec_gre_tunnel_t *t;
113 reg = vl_api_client_index_to_registration (mp->client_index);
117 sw_if_index = ntohl (mp->sw_if_index);
119 if (~0 == sw_if_index)
122 pool_foreach (t, igm->tunnels,
124 send_ipsec_gre_tunnel_details(t, reg, mp->context);
130 if ((sw_if_index >= vec_len (igm->tunnel_index_by_sw_if_index)) ||
131 (~0 == igm->tunnel_index_by_sw_if_index[sw_if_index]))
135 t = &igm->tunnels[igm->tunnel_index_by_sw_if_index[sw_if_index]];
136 send_ipsec_gre_tunnel_details (t, reg, mp->context);
141 * ipsec_gre_api_hookup
142 * Add vpe's API message handlers to the table.
143 * vlib has already mapped shared memory and
144 * added the client registration handlers.
145 * See .../vlib-api/vlibmemory/memclnt_vlib.c:memclnt_process()
147 #define vl_msg_name_crc_list
148 #include <vnet/vnet_all_api_h.h>
149 #undef vl_msg_name_crc_list
152 setup_message_id_table (api_main_t * am)
154 #define _(id,n,crc) vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id);
155 foreach_vl_msg_name_crc_ipsec_gre;
159 static clib_error_t *
160 ipsec_gre_api_hookup (vlib_main_t * vm)
162 api_main_t *am = &api_main;
165 vl_msg_api_set_handlers(VL_API_##N, #n, \
166 vl_api_##n##_t_handler, \
168 vl_api_##n##_t_endian, \
169 vl_api_##n##_t_print, \
170 sizeof(vl_api_##n##_t), 1);
175 * Set up the (msg_name, crc, message-id) table
177 setup_message_id_table (am);
182 VLIB_API_INIT_FUNCTION (ipsec_gre_api_hookup);
185 * fd.io coding-style-patch-verification: ON
188 * eval: (c-set-style "gnu")