2 * ipip_api.c - ipip api
4 * Copyright (c) 2018 Cisco and/or its affiliates.
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at:
9 * http://www.apache.org/licenses/LICENSE-2.0
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
18 #include <vlibmemory/api.h>
19 #include <vnet/api_errno.h>
20 #include <vnet/fib/fib_table.h>
21 #include <vnet/interface.h>
22 #include <vnet/ipip/ipip.h>
23 #include <vnet/vnet.h>
24 #include <vnet/ip/ip_types_api.h>
25 #include <vnet/tunnel/tunnel_types_api.h>
27 #include <vnet/ipip/ipip.api_enum.h>
28 #include <vnet/ipip/ipip.api_types.h>
30 #define REPLY_MSG_ID_BASE im->msg_id_base
31 #include <vlibapi/api_helper_macros.h>
34 vl_api_ipip_add_tunnel_t_handler (vl_api_ipip_add_tunnel_t * mp)
36 ipip_main_t *im = &ipip_main;
37 vl_api_ipip_add_tunnel_reply_t *rmp;
39 u32 fib_index, sw_if_index = ~0;
40 tunnel_encap_decap_flags_t flags;
41 ip46_address_t src, dst;
45 itype[0] = ip_address_decode (&mp->tunnel.src, &src);
46 itype[1] = ip_address_decode (&mp->tunnel.dst, &dst);
48 if (itype[0] != itype[1])
50 rv = VNET_API_ERROR_INVALID_PROTOCOL;
54 if (ip46_address_is_equal (&src, &dst))
56 rv = VNET_API_ERROR_SAME_SRC_DST;
60 rv = tunnel_encap_decap_flags_decode (mp->tunnel.flags, &flags);
65 rv = tunnel_mode_decode (mp->tunnel.mode, &mode);
70 fib_index = fib_table_find (fib_proto_from_ip46 (itype[0]),
71 ntohl (mp->tunnel.table_id));
75 rv = VNET_API_ERROR_NO_SUCH_FIB;
79 rv = ipip_add_tunnel ((itype[0] == IP46_TYPE_IP6 ?
82 ntohl (mp->tunnel.instance), &src, &dst,
84 ip_dscp_decode (mp->tunnel.dscp), mode,
90 REPLY_MACRO2(VL_API_IPIP_ADD_TUNNEL_REPLY,
92 rmp->sw_if_index = ntohl(sw_if_index);
98 vl_api_ipip_del_tunnel_t_handler (vl_api_ipip_del_tunnel_t * mp)
100 ipip_main_t *im = &ipip_main;
101 vl_api_ipip_del_tunnel_reply_t *rmp;
103 int rv = ipip_del_tunnel (ntohl (mp->sw_if_index));
105 REPLY_MACRO (VL_API_IPIP_DEL_TUNNEL_REPLY);
108 static vl_api_tunnel_mode_t
109 ipip_tunnel_mode_encode (ipip_mode_t mode)
114 return TUNNEL_API_MODE_P2P;
116 return TUNNEL_API_MODE_MP;
118 return TUNNEL_API_MODE_P2P;
120 return TUNNEL_API_MODE_P2P;
125 send_ipip_tunnel_details (ipip_tunnel_t * t, vl_api_ipip_tunnel_dump_t * mp)
127 ipip_main_t *im = &ipip_main;
128 vl_api_ipip_tunnel_details_t *rmp;
129 bool is_ipv6 = t->transport == IPIP_TRANSPORT_IP6 ? true : false;
132 ft = fib_table_get (t->fib_index,
133 (is_ipv6 ? FIB_PROTOCOL_IP6 : FIB_PROTOCOL_IP4));
136 REPLY_MACRO_DETAILS2(VL_API_IPIP_TUNNEL_DETAILS,
138 ip_address_encode (&t->tunnel_src, IP46_TYPE_ANY, &rmp->tunnel.src);
139 ip_address_encode (&t->tunnel_dst, IP46_TYPE_ANY, &rmp->tunnel.dst);
140 rmp->tunnel.table_id = htonl (ft->ft_table_id);
141 rmp->tunnel.instance = htonl (t->user_instance);
142 rmp->tunnel.sw_if_index = htonl (t->sw_if_index);
143 rmp->tunnel.dscp = ip_dscp_encode(t->dscp);
144 rmp->tunnel.flags = tunnel_encap_decap_flags_encode(t->flags);
145 rmp->tunnel.mode = ipip_tunnel_mode_encode (t->mode);
151 vl_api_ipip_tunnel_dump_t_handler (vl_api_ipip_tunnel_dump_t * mp)
153 ipip_main_t *im = &ipip_main;
157 sw_if_index = ntohl (mp->sw_if_index);
159 if (sw_if_index == ~0)
162 pool_foreach (t, im->tunnels)
164 send_ipip_tunnel_details(t, mp);
170 t = ipip_tunnel_db_find_by_sw_if_index (sw_if_index);
172 send_ipip_tunnel_details (t, mp);
177 vl_api_ipip_6rd_add_tunnel_t_handler (vl_api_ipip_6rd_add_tunnel_t * mp)
179 ipip_main_t *im = &ipip_main;
180 vl_api_ipip_6rd_add_tunnel_reply_t *rmp;
181 u32 sixrd_tunnel_index, ip4_fib_index, ip6_fib_index;
184 sixrd_tunnel_index = ~0;
185 ip4_fib_index = fib_table_find (FIB_PROTOCOL_IP4, ntohl (mp->ip4_table_id));
186 ip6_fib_index = fib_table_find (FIB_PROTOCOL_IP6, ntohl (mp->ip6_table_id));
188 if (~0 == ip4_fib_index || ~0 == ip6_fib_index)
191 rv = VNET_API_ERROR_NO_SUCH_FIB;
195 rv = sixrd_add_tunnel ((ip6_address_t *) & mp->ip6_prefix.address,
197 (ip4_address_t *) & mp->ip4_prefix.address,
199 (ip4_address_t *) & mp->ip4_src,
201 ip4_fib_index, ip6_fib_index,
202 &sixrd_tunnel_index);
206 REPLY_MACRO2 (VL_API_IPIP_6RD_ADD_TUNNEL_REPLY,
208 rmp->sw_if_index = htonl (sixrd_tunnel_index);
214 vl_api_ipip_6rd_del_tunnel_t_handler (vl_api_ipip_6rd_del_tunnel_t * mp)
216 ipip_main_t *im = &ipip_main;
217 vl_api_ipip_6rd_del_tunnel_reply_t *rmp;
219 int rv = sixrd_del_tunnel (ntohl (mp->sw_if_index));
221 REPLY_MACRO (VL_API_IPIP_6RD_DEL_TUNNEL_REPLY);
226 * Add vpe's API message handlers to the table.
227 * vlib has already mapped shared memory and
228 * added the client registration handlers.
229 * See .../vlib-api/vlibmemory/memclnt_vlib.c:memclnt_process()
231 /* API definitions */
232 #include <vnet/format_fns.h>
233 #include <vnet/ipip/ipip.api.c>
235 static clib_error_t *
236 ipip_api_hookup (vlib_main_t * vm)
238 ipip_main_t *im = &ipip_main;
241 * Set up the (msg_name, crc, message-id) table
243 im->msg_id_base = setup_message_id_table ();
248 VLIB_API_INIT_FUNCTION (ipip_api_hookup);
251 * fd.io coding-style-patch-verification: ON
254 * eval: (c-set-style "gnu")