2 * Copyright (c) 2017 SUSE LLC.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at:
7 * http://www.apache.org/licenses/LICENSE-2.0
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 *------------------------------------------------------------------
17 #include <vnet/vnet.h>
18 #include <vlibmemory/api.h>
20 #include <vnet/interface.h>
21 #include <vnet/api_errno.h>
22 #include <vnet/feature/feature.h>
23 #include <vnet/geneve/geneve.h>
24 #include <vnet/fib/fib_table.h>
25 #include <vnet/ip/ip_types_api.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 _(SW_INTERFACE_SET_GENEVE_BYPASS, sw_interface_set_geneve_bypass) \
47 _(GENEVE_ADD_DEL_TUNNEL, geneve_add_del_tunnel) \
48 _(GENEVE_ADD_DEL_TUNNEL2, geneve_add_del_tunnel2) \
49 _(GENEVE_TUNNEL_DUMP, geneve_tunnel_dump)
52 vl_api_sw_interface_set_geneve_bypass_t_handler
53 (vl_api_sw_interface_set_geneve_bypass_t * mp)
55 vl_api_sw_interface_set_geneve_bypass_reply_t *rmp;
57 u32 sw_if_index = ntohl (mp->sw_if_index);
59 VALIDATE_SW_IF_INDEX (mp);
61 vnet_int_geneve_bypass_mode (sw_if_index, mp->is_ipv6, mp->enable);
62 BAD_SW_IF_INDEX_LABEL;
64 REPLY_MACRO (VL_API_SW_INTERFACE_SET_GENEVE_BYPASS_REPLY);
67 static void vl_api_geneve_add_del_tunnel_t_handler
68 (vl_api_geneve_add_del_tunnel_t * mp)
70 vl_api_geneve_add_del_tunnel_reply_t *rmp;
72 ip4_main_t *im = &ip4_main;
74 uword *p = hash_get (im->fib_index_by_table_id, ntohl (mp->encap_vrf_id));
77 rv = VNET_API_ERROR_NO_SUCH_FIB;
81 vnet_geneve_add_del_tunnel_args_t a = {
83 .is_ip6 = mp->remote_address.af,
84 .mcast_sw_if_index = ntohl (mp->mcast_sw_if_index),
85 .encap_fib_index = p[0],
86 .decap_next_index = ntohl (mp->decap_next_index),
87 .vni = ntohl (mp->vni),
90 ip_address_decode (&mp->remote_address, &a.remote);
91 ip_address_decode (&mp->local_address, &a.local);
93 /* Check src & dst are different */
94 if (ip46_address_cmp (&a.remote, &a.local) == 0)
96 rv = VNET_API_ERROR_SAME_SRC_DST;
99 if (ip46_address_is_multicast (&a.remote) &&
100 !vnet_sw_if_index_is_api_valid (a.mcast_sw_if_index))
102 rv = VNET_API_ERROR_INVALID_SW_IF_INDEX;
106 u32 sw_if_index = ~0;
107 rv = vnet_geneve_add_del_tunnel (&a, &sw_if_index);
111 REPLY_MACRO2(VL_API_GENEVE_ADD_DEL_TUNNEL_REPLY,
113 rmp->sw_if_index = ntohl (sw_if_index);
118 static void vl_api_geneve_add_del_tunnel2_t_handler
119 (vl_api_geneve_add_del_tunnel2_t * mp)
121 vl_api_geneve_add_del_tunnel2_reply_t *rmp;
123 ip4_main_t *im = &ip4_main;
125 uword *p = hash_get (im->fib_index_by_table_id, ntohl (mp->encap_vrf_id));
128 rv = VNET_API_ERROR_NO_SUCH_FIB;
132 vnet_geneve_add_del_tunnel_args_t a = {
133 .is_add = mp->is_add,
134 .is_ip6 = mp->remote_address.af,
135 .mcast_sw_if_index = ntohl (mp->mcast_sw_if_index),
136 .encap_fib_index = p[0],
137 .decap_next_index = ntohl (mp->decap_next_index),
138 .vni = ntohl (mp->vni),
139 .l3_mode = mp->l3_mode,
142 ip_address_decode (&mp->remote_address, &a.remote);
143 ip_address_decode (&mp->local_address, &a.local);
145 /* Check src & dst are different */
146 if (ip46_address_cmp (&a.remote, &a.local) == 0)
148 rv = VNET_API_ERROR_SAME_SRC_DST;
151 if (ip46_address_is_multicast (&a.remote) &&
152 !vnet_sw_if_index_is_api_valid (a.mcast_sw_if_index))
154 rv = VNET_API_ERROR_INVALID_SW_IF_INDEX;
158 u32 sw_if_index = ~0;
159 rv = vnet_geneve_add_del_tunnel (&a, &sw_if_index);
163 REPLY_MACRO2(VL_API_GENEVE_ADD_DEL_TUNNEL2_REPLY,
165 rmp->sw_if_index = ntohl (sw_if_index);
170 static void send_geneve_tunnel_details
171 (geneve_tunnel_t * t, vl_api_registration_t * reg, u32 context)
173 vl_api_geneve_tunnel_details_t *rmp;
174 ip4_main_t *im4 = &ip4_main;
175 ip6_main_t *im6 = &ip6_main;
176 u8 is_ipv6 = !ip46_address_is_ip4 (&t->remote);
178 rmp = vl_msg_api_alloc (sizeof (*rmp));
179 clib_memset (rmp, 0, sizeof (*rmp));
180 rmp->_vl_msg_id = ntohs (VL_API_GENEVE_TUNNEL_DETAILS);
181 ip_address_encode (&t->local, is_ipv6 ? IP46_TYPE_IP6 : IP46_TYPE_IP4,
183 ip_address_encode (&t->remote, is_ipv6 ? IP46_TYPE_IP6 : IP46_TYPE_IP4,
186 htonl (is_ipv6 ? im6->fibs[t->encap_fib_index].
187 ft_table_id : im4->fibs[t->encap_fib_index].ft_table_id);
189 rmp->mcast_sw_if_index = htonl (t->mcast_sw_if_index);
190 rmp->vni = htonl (t->vni);
191 rmp->decap_next_index = htonl (t->decap_next_index);
192 rmp->sw_if_index = htonl (t->sw_if_index);
193 rmp->context = context;
195 vl_api_send_msg (reg, (u8 *) rmp);
198 static void vl_api_geneve_tunnel_dump_t_handler
199 (vl_api_geneve_tunnel_dump_t * mp)
201 vl_api_registration_t *reg;
202 geneve_main_t *vxm = &geneve_main;
206 reg = vl_api_client_index_to_registration (mp->client_index);
210 sw_if_index = ntohl (mp->sw_if_index);
212 if (~0 == sw_if_index)
215 pool_foreach (t, vxm->tunnels,
217 send_geneve_tunnel_details(t, reg, mp->context);
223 if ((sw_if_index >= vec_len (vxm->tunnel_index_by_sw_if_index)) ||
224 (~0 == vxm->tunnel_index_by_sw_if_index[sw_if_index]))
228 t = &vxm->tunnels[vxm->tunnel_index_by_sw_if_index[sw_if_index]];
229 send_geneve_tunnel_details (t, reg, mp->context);
235 * Add vpe's API message handlers to the table.
236 * vlib has already mapped shared memory and
237 * added the client registration handlers.
238 * See .../vlib-api/vlibmemory/memclnt_vlib.c:memclnt_process()
240 #define vl_msg_name_crc_list
241 #include <vnet/vnet_all_api_h.h>
242 #undef vl_msg_name_crc_list
245 setup_message_id_table (api_main_t * am)
247 #define _(id,n,crc) vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id);
248 foreach_vl_msg_name_crc_geneve;
252 static clib_error_t *
253 geneve_api_hookup (vlib_main_t * vm)
255 api_main_t *am = vlibapi_get_main ();
258 vl_msg_api_set_handlers(VL_API_##N, #n, \
259 vl_api_##n##_t_handler, \
261 vl_api_##n##_t_endian, \
262 vl_api_##n##_t_print, \
263 sizeof(vl_api_##n##_t), 1);
267 am->api_trace_cfg[VL_API_GENEVE_ADD_DEL_TUNNEL].size += 16 * sizeof (u32);
270 * Set up the (msg_name, crc, message-id) table
272 setup_message_id_table (am);
277 VLIB_API_INIT_FUNCTION (geneve_api_hookup);
280 * fd.io coding-style-patch-verification: ON
283 * eval: (c-set-style "gnu")