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_TUNNEL_DUMP, geneve_tunnel_dump)
51 vl_api_sw_interface_set_geneve_bypass_t_handler
52 (vl_api_sw_interface_set_geneve_bypass_t * mp)
54 vl_api_sw_interface_set_geneve_bypass_reply_t *rmp;
56 u32 sw_if_index = ntohl (mp->sw_if_index);
58 VALIDATE_SW_IF_INDEX (mp);
60 vnet_int_geneve_bypass_mode (sw_if_index, mp->is_ipv6, mp->enable);
61 BAD_SW_IF_INDEX_LABEL;
63 REPLY_MACRO (VL_API_SW_INTERFACE_SET_GENEVE_BYPASS_REPLY);
66 static void vl_api_geneve_add_del_tunnel_t_handler
67 (vl_api_geneve_add_del_tunnel_t * mp)
69 vl_api_geneve_add_del_tunnel_reply_t *rmp;
71 ip4_main_t *im = &ip4_main;
73 uword *p = hash_get (im->fib_index_by_table_id, ntohl (mp->encap_vrf_id));
76 rv = VNET_API_ERROR_NO_SUCH_FIB;
80 vnet_geneve_add_del_tunnel_args_t a = {
82 .is_ip6 = mp->remote_address.af,
83 .mcast_sw_if_index = ntohl (mp->mcast_sw_if_index),
84 .encap_fib_index = p[0],
85 .decap_next_index = ntohl (mp->decap_next_index),
86 .vni = ntohl (mp->vni),
89 ip_address_decode (&mp->remote_address, &a.remote);
90 ip_address_decode (&mp->local_address, &a.local);
92 /* Check src & dst are different */
93 if (ip46_address_cmp (&a.remote, &a.local) == 0)
95 rv = VNET_API_ERROR_SAME_SRC_DST;
98 if (ip46_address_is_multicast (&a.remote) &&
99 !vnet_sw_if_index_is_api_valid (a.mcast_sw_if_index))
101 rv = VNET_API_ERROR_INVALID_SW_IF_INDEX;
105 u32 sw_if_index = ~0;
106 rv = vnet_geneve_add_del_tunnel (&a, &sw_if_index);
110 REPLY_MACRO2(VL_API_GENEVE_ADD_DEL_TUNNEL_REPLY,
112 rmp->sw_if_index = ntohl (sw_if_index);
117 static void send_geneve_tunnel_details
118 (geneve_tunnel_t * t, vl_api_registration_t * reg, u32 context)
120 vl_api_geneve_tunnel_details_t *rmp;
121 ip4_main_t *im4 = &ip4_main;
122 ip6_main_t *im6 = &ip6_main;
123 u8 is_ipv6 = !ip46_address_is_ip4 (&t->remote);
125 rmp = vl_msg_api_alloc (sizeof (*rmp));
126 clib_memset (rmp, 0, sizeof (*rmp));
127 rmp->_vl_msg_id = ntohs (VL_API_GENEVE_TUNNEL_DETAILS);
128 ip_address_encode (&t->local, is_ipv6 ? IP46_TYPE_IP6 : IP46_TYPE_IP4,
130 ip_address_encode (&t->remote, is_ipv6 ? IP46_TYPE_IP6 : IP46_TYPE_IP4,
133 htonl (is_ipv6 ? im6->fibs[t->encap_fib_index].
134 ft_table_id : im4->fibs[t->encap_fib_index].ft_table_id);
136 rmp->mcast_sw_if_index = htonl (t->mcast_sw_if_index);
137 rmp->vni = htonl (t->vni);
138 rmp->decap_next_index = htonl (t->decap_next_index);
139 rmp->sw_if_index = htonl (t->sw_if_index);
140 rmp->context = context;
142 vl_api_send_msg (reg, (u8 *) rmp);
145 static void vl_api_geneve_tunnel_dump_t_handler
146 (vl_api_geneve_tunnel_dump_t * mp)
148 vl_api_registration_t *reg;
149 geneve_main_t *vxm = &geneve_main;
153 reg = vl_api_client_index_to_registration (mp->client_index);
157 sw_if_index = ntohl (mp->sw_if_index);
159 if (~0 == sw_if_index)
162 pool_foreach (t, vxm->tunnels,
164 send_geneve_tunnel_details(t, reg, mp->context);
170 if ((sw_if_index >= vec_len (vxm->tunnel_index_by_sw_if_index)) ||
171 (~0 == vxm->tunnel_index_by_sw_if_index[sw_if_index]))
175 t = &vxm->tunnels[vxm->tunnel_index_by_sw_if_index[sw_if_index]];
176 send_geneve_tunnel_details (t, reg, mp->context);
182 * Add vpe's API message handlers to the table.
183 * vlib has already mapped shared memory and
184 * added the client registration handlers.
185 * See .../vlib-api/vlibmemory/memclnt_vlib.c:memclnt_process()
187 #define vl_msg_name_crc_list
188 #include <vnet/vnet_all_api_h.h>
189 #undef vl_msg_name_crc_list
192 setup_message_id_table (api_main_t * am)
194 #define _(id,n,crc) vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id);
195 foreach_vl_msg_name_crc_geneve;
199 static clib_error_t *
200 geneve_api_hookup (vlib_main_t * vm)
202 api_main_t *am = vlibapi_get_main ();
205 vl_msg_api_set_handlers(VL_API_##N, #n, \
206 vl_api_##n##_t_handler, \
208 vl_api_##n##_t_endian, \
209 vl_api_##n##_t_print, \
210 sizeof(vl_api_##n##_t), 1);
214 am->api_trace_cfg[VL_API_GENEVE_ADD_DEL_TUNNEL].size += 16 * sizeof (u32);
217 * Set up the (msg_name, crc, message-id) table
219 setup_message_id_table (am);
224 VLIB_API_INIT_FUNCTION (geneve_api_hookup);
227 * fd.io coding-style-patch-verification: ON
230 * eval: (c-set-style "gnu")