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>
29 #include <vnet/ip/ip_types_api.h>
31 #include <vnet/vnet_msg_enum.h>
33 #define vl_typedefs /* define message structures */
34 #include <vnet/vnet_all_api_h.h>
37 #define vl_endianfun /* define message structures */
38 #include <vnet/vnet_all_api_h.h>
41 /* instantiate all the print functions we know about */
42 #define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
44 #include <vnet/vnet_all_api_h.h>
47 #include <vlibapi/api_helper_macros.h>
49 #define foreach_vpe_api_msg \
50 _(SW_INTERFACE_SET_VXLAN_GPE_BYPASS, sw_interface_set_vxlan_gpe_bypass) \
51 _(VXLAN_GPE_ADD_DEL_TUNNEL, vxlan_gpe_add_del_tunnel) \
52 _(VXLAN_GPE_TUNNEL_DUMP, vxlan_gpe_tunnel_dump)
55 vl_api_sw_interface_set_vxlan_gpe_bypass_t_handler
56 (vl_api_sw_interface_set_vxlan_gpe_bypass_t * mp)
58 vl_api_sw_interface_set_vxlan_gpe_bypass_reply_t *rmp;
60 u32 sw_if_index = ntohl (mp->sw_if_index);
62 VALIDATE_SW_IF_INDEX (mp);
64 vnet_int_vxlan_gpe_bypass_mode (sw_if_index, mp->is_ipv6, mp->enable);
65 BAD_SW_IF_INDEX_LABEL;
67 REPLY_MACRO (VL_API_SW_INTERFACE_SET_VXLAN_GPE_BYPASS_REPLY);
71 vl_api_vxlan_gpe_add_del_tunnel_t_handler
72 (vl_api_vxlan_gpe_add_del_tunnel_t * mp)
74 vl_api_vxlan_gpe_add_del_tunnel_reply_t *rmp;
76 vnet_vxlan_gpe_add_del_tunnel_args_t _a, *a = &_a;
77 u32 encap_fib_index, decap_fib_index;
80 ip4_main_t *im = &ip4_main;
83 p = hash_get (im->fib_index_by_table_id, ntohl (mp->encap_vrf_id));
86 rv = VNET_API_ERROR_NO_SUCH_FIB;
89 encap_fib_index = p[0];
91 protocol = mp->protocol;
93 /* Interpret decap_vrf_id as an opaque if sending to other-than-ip4-input */
94 if (protocol == VXLAN_GPE_INPUT_NEXT_IP4_INPUT)
96 p = hash_get (im->fib_index_by_table_id, ntohl (mp->decap_vrf_id));
99 rv = VNET_API_ERROR_NO_SUCH_INNER_FIB;
102 decap_fib_index = p[0];
106 decap_fib_index = ntohl (mp->decap_vrf_id);
110 clib_memset (a, 0, sizeof (*a));
112 a->is_add = mp->is_add;
113 ip_address_decode (&mp->local, &a->local);
114 ip_address_decode (&mp->remote, &a->remote);
116 /* Check src & dst are different */
117 if (ip46_address_is_equal (&a->local, &a->remote))
119 rv = VNET_API_ERROR_SAME_SRC_DST;
123 a->is_ip6 = !ip46_address_is_ip4 (&a->local);
124 a->mcast_sw_if_index = ntohl (mp->mcast_sw_if_index);
125 a->encap_fib_index = encap_fib_index;
126 a->decap_fib_index = decap_fib_index;
127 a->protocol = protocol;
128 a->vni = ntohl (mp->vni);
129 rv = vnet_vxlan_gpe_add_del_tunnel (a, &sw_if_index);
133 REPLY_MACRO2(VL_API_VXLAN_GPE_ADD_DEL_TUNNEL_REPLY,
135 rmp->sw_if_index = ntohl (sw_if_index);
140 static void send_vxlan_gpe_tunnel_details
141 (vxlan_gpe_tunnel_t * t, vl_api_registration_t * reg, u32 context)
143 vl_api_vxlan_gpe_tunnel_details_t *rmp;
144 ip4_main_t *im4 = &ip4_main;
145 ip6_main_t *im6 = &ip6_main;
146 u8 is_ipv6 = !(t->flags & VXLAN_GPE_TUNNEL_IS_IPV4);
148 rmp = vl_msg_api_alloc (sizeof (*rmp));
149 clib_memset (rmp, 0, sizeof (*rmp));
150 rmp->_vl_msg_id = ntohs (VL_API_VXLAN_GPE_TUNNEL_DETAILS);
152 ip_address_encode (&t->local, is_ipv6 ? IP46_TYPE_IP6 : IP46_TYPE_IP4,
154 ip_address_encode (&t->remote, is_ipv6 ? IP46_TYPE_IP6 : IP46_TYPE_IP4,
157 if (ip46_address_is_ip4 (&t->local))
159 rmp->encap_vrf_id = htonl (im4->fibs[t->encap_fib_index].ft_table_id);
160 rmp->decap_vrf_id = htonl (im4->fibs[t->decap_fib_index].ft_table_id);
164 rmp->encap_vrf_id = htonl (im6->fibs[t->encap_fib_index].ft_table_id);
165 rmp->decap_vrf_id = htonl (im6->fibs[t->decap_fib_index].ft_table_id);
167 rmp->mcast_sw_if_index = htonl (t->mcast_sw_if_index);
168 rmp->vni = htonl (t->vni);
169 rmp->protocol = t->protocol;
170 rmp->sw_if_index = htonl (t->sw_if_index);
171 rmp->context = context;
173 vl_api_send_msg (reg, (u8 *) rmp);
176 static void vl_api_vxlan_gpe_tunnel_dump_t_handler
177 (vl_api_vxlan_gpe_tunnel_dump_t * mp)
179 vl_api_registration_t *reg;
180 vxlan_gpe_main_t *vgm = &vxlan_gpe_main;
181 vxlan_gpe_tunnel_t *t;
184 reg = vl_api_client_index_to_registration (mp->client_index);
188 sw_if_index = ntohl (mp->sw_if_index);
190 if (~0 == sw_if_index)
193 pool_foreach (t, vgm->tunnels,
195 send_vxlan_gpe_tunnel_details(t, reg, mp->context);
201 if ((sw_if_index >= vec_len (vgm->tunnel_index_by_sw_if_index)) ||
202 (~0 == vgm->tunnel_index_by_sw_if_index[sw_if_index]))
206 t = &vgm->tunnels[vgm->tunnel_index_by_sw_if_index[sw_if_index]];
207 send_vxlan_gpe_tunnel_details (t, reg, mp->context);
214 * Add vpe's API message handlers to the table.
215 * vlib has already mapped shared memory and
216 * added the client registration handlers.
217 * See .../vlib-api/vlibmemory/memclnt_vlib.c:memclnt_process()
219 #define vl_msg_name_crc_list
220 #include <vnet/vnet_all_api_h.h>
221 #undef vl_msg_name_crc_list
224 setup_message_id_table (api_main_t * am)
226 #define _(id,n,crc) vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id);
227 foreach_vl_msg_name_crc_vxlan_gpe;
231 static clib_error_t *
232 vxlan_gpe_api_hookup (vlib_main_t * vm)
234 api_main_t *am = vlibapi_get_main ();
237 vl_msg_api_set_handlers(VL_API_##N, #n, \
238 vl_api_##n##_t_handler, \
240 vl_api_##n##_t_endian, \
241 vl_api_##n##_t_print, \
242 sizeof(vl_api_##n##_t), 1);
246 am->api_trace_cfg[VL_API_VXLAN_GPE_ADD_DEL_TUNNEL].size +=
250 * Set up the (msg_name, crc, message-id) table
252 setup_message_id_table (am);
257 VLIB_API_INIT_FUNCTION (vxlan_gpe_api_hookup);
260 * fd.io coding-style-patch-verification: ON
263 * eval: (c-set-style "gnu")