2 *------------------------------------------------------------------
3 * vxlan_gpe_api.c - vxlan_gpe 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/feature/feature.h>
26 #include <vnet/vxlan-gpe/vxlan_gpe.h>
27 #include <vnet/fib/fib_table.h>
28 #include <vnet/format_fns.h>
30 #include <vnet/ip/ip_types_api.h>
31 #include <vnet/vxlan-gpe/vxlan_gpe.api_enum.h>
32 #include <vnet/vxlan-gpe/vxlan_gpe.api_types.h>
34 #define REPLY_MSG_ID_BASE msg_id_base
35 #include <vlibapi/api_helper_macros.h>
37 static u16 msg_id_base;
40 vl_api_sw_interface_set_vxlan_gpe_bypass_t_handler
41 (vl_api_sw_interface_set_vxlan_gpe_bypass_t * mp)
43 vl_api_sw_interface_set_vxlan_gpe_bypass_reply_t *rmp;
45 u32 sw_if_index = ntohl (mp->sw_if_index);
47 VALIDATE_SW_IF_INDEX (mp);
49 vnet_int_vxlan_gpe_bypass_mode (sw_if_index, mp->is_ipv6, mp->enable);
50 BAD_SW_IF_INDEX_LABEL;
52 REPLY_MACRO (VL_API_SW_INTERFACE_SET_VXLAN_GPE_BYPASS_REPLY);
56 vl_api_vxlan_gpe_add_del_tunnel_t_handler
57 (vl_api_vxlan_gpe_add_del_tunnel_t * mp)
59 vl_api_vxlan_gpe_add_del_tunnel_reply_t *rmp;
61 vnet_vxlan_gpe_add_del_tunnel_args_t _a, *a = &_a;
62 u32 encap_fib_index, decap_fib_index;
65 ip4_main_t *im = &ip4_main;
68 p = hash_get (im->fib_index_by_table_id, ntohl (mp->encap_vrf_id));
71 rv = VNET_API_ERROR_NO_SUCH_FIB;
74 encap_fib_index = p[0];
76 protocol = mp->protocol;
78 /* Interpret decap_vrf_id as an opaque if sending to other-than-ip4-input */
79 if (protocol == VXLAN_GPE_INPUT_NEXT_IP4_INPUT)
81 p = hash_get (im->fib_index_by_table_id, ntohl (mp->decap_vrf_id));
84 rv = VNET_API_ERROR_NO_SUCH_INNER_FIB;
87 decap_fib_index = p[0];
91 decap_fib_index = ntohl (mp->decap_vrf_id);
95 clib_memset (a, 0, sizeof (*a));
97 a->is_add = mp->is_add;
98 ip_address_decode (&mp->local, &a->local);
99 ip_address_decode (&mp->remote, &a->remote);
101 /* Check src & dst are different */
102 if (ip46_address_is_equal (&a->local, &a->remote))
104 rv = VNET_API_ERROR_SAME_SRC_DST;
108 a->is_ip6 = !ip46_address_is_ip4 (&a->local);
109 a->mcast_sw_if_index = ntohl (mp->mcast_sw_if_index);
110 a->encap_fib_index = encap_fib_index;
111 a->decap_fib_index = decap_fib_index;
112 a->protocol = protocol;
113 a->vni = ntohl (mp->vni);
114 rv = vnet_vxlan_gpe_add_del_tunnel (a, &sw_if_index);
117 REPLY_MACRO2(VL_API_VXLAN_GPE_ADD_DEL_TUNNEL_REPLY,
119 rmp->sw_if_index = ntohl (sw_if_index);
124 vl_api_vxlan_gpe_add_del_tunnel_v2_t_handler (
125 vl_api_vxlan_gpe_add_del_tunnel_v2_t *mp)
127 vl_api_vxlan_gpe_add_del_tunnel_v2_reply_t *rmp;
129 vnet_vxlan_gpe_add_del_tunnel_args_t _a, *a = &_a;
130 u32 encap_fib_index, decap_fib_index;
133 ip4_main_t *im = &ip4_main;
134 u32 sw_if_index = ~0;
136 p = hash_get (im->fib_index_by_table_id, ntohl (mp->encap_vrf_id));
139 rv = VNET_API_ERROR_NO_SUCH_FIB;
142 encap_fib_index = p[0];
144 protocol = mp->protocol;
146 /* Interpret decap_vrf_id as an opaque if sending to other-than-ip4-input */
147 if (protocol == VXLAN_GPE_INPUT_NEXT_IP4_INPUT)
149 p = hash_get (im->fib_index_by_table_id, ntohl (mp->decap_vrf_id));
152 rv = VNET_API_ERROR_NO_SUCH_INNER_FIB;
155 decap_fib_index = p[0];
159 decap_fib_index = ntohl (mp->decap_vrf_id);
162 clib_memset (a, 0, sizeof (*a));
164 a->is_add = mp->is_add;
165 ip_address_decode (&mp->local, &a->local);
166 ip_address_decode (&mp->remote, &a->remote);
168 /* Check src & dst are different */
169 if (ip46_address_is_equal (&a->local, &a->remote))
171 rv = VNET_API_ERROR_SAME_SRC_DST;
175 a->local_port = ntohs (mp->local_port);
176 a->remote_port = ntohs (mp->remote_port);
177 a->is_ip6 = !ip46_address_is_ip4 (&a->local);
178 a->mcast_sw_if_index = ntohl (mp->mcast_sw_if_index);
179 a->encap_fib_index = encap_fib_index;
180 a->decap_fib_index = decap_fib_index;
181 a->protocol = protocol;
182 a->vni = ntohl (mp->vni);
183 rv = vnet_vxlan_gpe_add_del_tunnel (a, &sw_if_index);
186 REPLY_MACRO2 (VL_API_VXLAN_GPE_ADD_DEL_TUNNEL_V2_REPLY,
187 ({ rmp->sw_if_index = ntohl (sw_if_index); }));
190 static void send_vxlan_gpe_tunnel_details
191 (vxlan_gpe_tunnel_t * t, vl_api_registration_t * reg, u32 context)
193 vl_api_vxlan_gpe_tunnel_details_t *rmp;
194 ip4_main_t *im4 = &ip4_main;
195 ip6_main_t *im6 = &ip6_main;
196 u8 is_ipv6 = !(t->flags & VXLAN_GPE_TUNNEL_IS_IPV4);
198 rmp = vl_msg_api_alloc (sizeof (*rmp));
199 clib_memset (rmp, 0, sizeof (*rmp));
201 ntohs (REPLY_MSG_ID_BASE + VL_API_VXLAN_GPE_TUNNEL_DETAILS);
203 ip_address_encode (&t->local, is_ipv6 ? IP46_TYPE_IP6 : IP46_TYPE_IP4,
205 ip_address_encode (&t->remote, is_ipv6 ? IP46_TYPE_IP6 : IP46_TYPE_IP4,
208 if (ip46_address_is_ip4 (&t->local))
210 rmp->encap_vrf_id = htonl (im4->fibs[t->encap_fib_index].ft_table_id);
211 rmp->decap_vrf_id = htonl (im4->fibs[t->decap_fib_index].ft_table_id);
215 rmp->encap_vrf_id = htonl (im6->fibs[t->encap_fib_index].ft_table_id);
216 rmp->decap_vrf_id = htonl (im6->fibs[t->decap_fib_index].ft_table_id);
218 rmp->mcast_sw_if_index = htonl (t->mcast_sw_if_index);
219 rmp->vni = htonl (t->vni);
220 rmp->protocol = t->protocol;
221 rmp->sw_if_index = htonl (t->sw_if_index);
222 rmp->context = context;
224 vl_api_send_msg (reg, (u8 *) rmp);
227 static void vl_api_vxlan_gpe_tunnel_dump_t_handler
228 (vl_api_vxlan_gpe_tunnel_dump_t * mp)
230 vl_api_registration_t *reg;
231 vxlan_gpe_main_t *vgm = &vxlan_gpe_main;
232 vxlan_gpe_tunnel_t *t;
235 reg = vl_api_client_index_to_registration (mp->client_index);
239 sw_if_index = ntohl (mp->sw_if_index);
241 if (~0 == sw_if_index)
243 pool_foreach (t, vgm->tunnels)
245 send_vxlan_gpe_tunnel_details (t, reg, mp->context);
250 if ((sw_if_index >= vec_len (vgm->tunnel_index_by_sw_if_index)) ||
251 (~0 == vgm->tunnel_index_by_sw_if_index[sw_if_index]))
255 t = &vgm->tunnels[vgm->tunnel_index_by_sw_if_index[sw_if_index]];
256 send_vxlan_gpe_tunnel_details (t, reg, mp->context);
261 send_vxlan_gpe_tunnel_v2_details (vxlan_gpe_tunnel_t *t,
262 vl_api_registration_t *reg, u32 context)
264 vl_api_vxlan_gpe_tunnel_v2_details_t *rmp;
265 ip4_main_t *im4 = &ip4_main;
266 ip6_main_t *im6 = &ip6_main;
267 u8 is_ipv6 = !(t->flags & VXLAN_GPE_TUNNEL_IS_IPV4);
269 rmp = vl_msg_api_alloc (sizeof (*rmp));
270 clib_memset (rmp, 0, sizeof (*rmp));
272 ntohs (REPLY_MSG_ID_BASE + VL_API_VXLAN_GPE_TUNNEL_V2_DETAILS);
274 ip_address_encode (&t->local, is_ipv6 ? IP46_TYPE_IP6 : IP46_TYPE_IP4,
276 ip_address_encode (&t->remote, is_ipv6 ? IP46_TYPE_IP6 : IP46_TYPE_IP4,
278 rmp->local_port = htons (t->local_port);
279 rmp->remote_port = htons (t->remote_port);
281 if (ip46_address_is_ip4 (&t->local))
283 rmp->encap_vrf_id = htonl (im4->fibs[t->encap_fib_index].ft_table_id);
284 rmp->decap_vrf_id = htonl (im4->fibs[t->decap_fib_index].ft_table_id);
288 rmp->encap_vrf_id = htonl (im6->fibs[t->encap_fib_index].ft_table_id);
289 rmp->decap_vrf_id = htonl (im6->fibs[t->decap_fib_index].ft_table_id);
291 rmp->mcast_sw_if_index = htonl (t->mcast_sw_if_index);
292 rmp->vni = htonl (t->vni);
293 rmp->protocol = t->protocol;
294 rmp->sw_if_index = htonl (t->sw_if_index);
295 rmp->context = context;
297 vl_api_send_msg (reg, (u8 *) rmp);
301 vl_api_vxlan_gpe_tunnel_v2_dump_t_handler (
302 vl_api_vxlan_gpe_tunnel_v2_dump_t *mp)
304 vl_api_registration_t *reg;
305 vxlan_gpe_main_t *vgm = &vxlan_gpe_main;
306 vxlan_gpe_tunnel_t *t;
309 reg = vl_api_client_index_to_registration (mp->client_index);
313 sw_if_index = ntohl (mp->sw_if_index);
315 if (~0 == sw_if_index)
317 pool_foreach (t, vgm->tunnels)
319 send_vxlan_gpe_tunnel_v2_details (t, reg, mp->context);
324 if ((sw_if_index >= vec_len (vgm->tunnel_index_by_sw_if_index)) ||
325 (~0 == vgm->tunnel_index_by_sw_if_index[sw_if_index]))
329 t = &vgm->tunnels[vgm->tunnel_index_by_sw_if_index[sw_if_index]];
330 send_vxlan_gpe_tunnel_v2_details (t, reg, mp->context);
334 #include <vxlan-gpe/vxlan_gpe.api.c>
336 static clib_error_t *
337 vxlan_gpe_api_hookup (vlib_main_t * vm)
339 api_main_t *am = vlibapi_get_main ();
341 vl_api_increase_msg_trace_size (am, VL_API_VXLAN_GPE_ADD_DEL_TUNNEL,
345 * Set up the (msg_name, crc, message-id) table
347 msg_id_base = setup_message_id_table ();
352 VLIB_API_INIT_FUNCTION (vxlan_gpe_api_hookup);
355 * fd.io coding-style-patch-verification: ON
358 * eval: (c-set-style "gnu")