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>
26 #include <vnet/vnet_msg_enum.h>
28 #define vl_typedefs /* define message structures */
29 #include <vnet/vnet_all_api_h.h>
32 #define vl_endianfun /* define message structures */
33 #include <vnet/vnet_all_api_h.h>
36 /* instantiate all the print functions we know about */
37 #define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
39 #include <vnet/vnet_all_api_h.h>
42 #include <vlibapi/api_helper_macros.h>
44 #define foreach_vpe_api_msg \
45 _(SW_INTERFACE_SET_GENEVE_BYPASS, sw_interface_set_geneve_bypass) \
46 _(GENEVE_ADD_DEL_TUNNEL, geneve_add_del_tunnel) \
47 _(GENEVE_TUNNEL_DUMP, geneve_tunnel_dump)
50 vl_api_sw_interface_set_geneve_bypass_t_handler
51 (vl_api_sw_interface_set_geneve_bypass_t * mp)
53 vl_api_sw_interface_set_geneve_bypass_reply_t *rmp;
55 u32 sw_if_index = ntohl (mp->sw_if_index);
57 VALIDATE_SW_IF_INDEX (mp);
59 vnet_int_geneve_bypass_mode (sw_if_index, mp->is_ipv6, mp->enable);
60 BAD_SW_IF_INDEX_LABEL;
62 REPLY_MACRO (VL_API_SW_INTERFACE_SET_GENEVE_BYPASS_REPLY);
65 static void vl_api_geneve_add_del_tunnel_t_handler
66 (vl_api_geneve_add_del_tunnel_t * mp)
68 vl_api_geneve_add_del_tunnel_reply_t *rmp;
70 ip4_main_t *im = &ip4_main;
72 uword *p = hash_get (im->fib_index_by_table_id, ntohl (mp->encap_vrf_id));
75 rv = VNET_API_ERROR_NO_SUCH_FIB;
79 vnet_geneve_add_del_tunnel_args_t a = {
81 .is_ip6 = mp->is_ipv6,
82 .mcast_sw_if_index = ntohl (mp->mcast_sw_if_index),
83 .encap_fib_index = p[0],
84 .decap_next_index = ntohl (mp->decap_next_index),
85 .vni = ntohl (mp->vni),
86 .remote = to_ip46 (mp->is_ipv6, mp->remote_address),
87 .local = to_ip46 (mp->is_ipv6, mp->local_address),
90 /* Check src & dst are different */
91 if (ip46_address_cmp (&a.remote, &a.local) == 0)
93 rv = VNET_API_ERROR_SAME_SRC_DST;
96 if (ip46_address_is_multicast (&a.remote) &&
97 !vnet_sw_if_index_is_api_valid (a.mcast_sw_if_index))
99 rv = VNET_API_ERROR_INVALID_SW_IF_INDEX;
103 u32 sw_if_index = ~0;
104 rv = vnet_geneve_add_del_tunnel (&a, &sw_if_index);
108 REPLY_MACRO2(VL_API_GENEVE_ADD_DEL_TUNNEL_REPLY,
110 rmp->sw_if_index = ntohl (sw_if_index);
115 static void send_geneve_tunnel_details
116 (geneve_tunnel_t * t, vl_api_registration_t * reg, u32 context)
118 vl_api_geneve_tunnel_details_t *rmp;
119 ip4_main_t *im4 = &ip4_main;
120 ip6_main_t *im6 = &ip6_main;
121 u8 is_ipv6 = !ip46_address_is_ip4 (&t->remote);
123 rmp = vl_msg_api_alloc (sizeof (*rmp));
124 memset (rmp, 0, sizeof (*rmp));
125 rmp->_vl_msg_id = ntohs (VL_API_GENEVE_TUNNEL_DETAILS);
128 memcpy (rmp->src_address, t->local.ip6.as_u8, 16);
129 memcpy (rmp->dst_address, t->remote.ip6.as_u8, 16);
130 rmp->encap_vrf_id = htonl (im6->fibs[t->encap_fib_index].ft_table_id);
134 memcpy (rmp->src_address, t->local.ip4.as_u8, 4);
135 memcpy (rmp->dst_address, t->remote.ip4.as_u8, 4);
136 rmp->encap_vrf_id = htonl (im4->fibs[t->encap_fib_index].ft_table_id);
138 rmp->mcast_sw_if_index = htonl (t->mcast_sw_if_index);
139 rmp->vni = htonl (t->vni);
140 rmp->decap_next_index = htonl (t->decap_next_index);
141 rmp->sw_if_index = htonl (t->sw_if_index);
142 rmp->is_ipv6 = is_ipv6;
143 rmp->context = context;
145 vl_api_send_msg (reg, (u8 *) rmp);
148 static void vl_api_geneve_tunnel_dump_t_handler
149 (vl_api_geneve_tunnel_dump_t * mp)
151 vl_api_registration_t *reg;
152 geneve_main_t *vxm = &geneve_main;
156 reg = vl_api_client_index_to_registration (mp->client_index);
160 sw_if_index = ntohl (mp->sw_if_index);
162 if (~0 == sw_if_index)
165 pool_foreach (t, vxm->tunnels,
167 send_geneve_tunnel_details(t, reg, mp->context);
173 if ((sw_if_index >= vec_len (vxm->tunnel_index_by_sw_if_index)) ||
174 (~0 == vxm->tunnel_index_by_sw_if_index[sw_if_index]))
178 t = &vxm->tunnels[vxm->tunnel_index_by_sw_if_index[sw_if_index]];
179 send_geneve_tunnel_details (t, reg, mp->context);
185 * Add vpe's API message handlers to the table.
186 * vlib has alread mapped shared memory and
187 * added the client registration handlers.
188 * See .../vlib-api/vlibmemory/memclnt_vlib.c:memclnt_process()
190 #define vl_msg_name_crc_list
191 #include <vnet/vnet_all_api_h.h>
192 #undef vl_msg_name_crc_list
195 setup_message_id_table (api_main_t * am)
197 #define _(id,n,crc) vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id);
198 foreach_vl_msg_name_crc_geneve;
202 static clib_error_t *
203 geneve_api_hookup (vlib_main_t * vm)
205 api_main_t *am = &api_main;
208 vl_msg_api_set_handlers(VL_API_##N, #n, \
209 vl_api_##n##_t_handler, \
211 vl_api_##n##_t_endian, \
212 vl_api_##n##_t_print, \
213 sizeof(vl_api_##n##_t), 1);
217 am->api_trace_cfg[VL_API_GENEVE_ADD_DEL_TUNNEL].size += 16 * sizeof (u32);
220 * Set up the (msg_name, crc, message-id) table
222 setup_message_id_table (am);
227 VLIB_API_INIT_FUNCTION (geneve_api_hookup);
230 * fd.io coding-style-patch-verification: ON
233 * eval: (c-set-style "gnu")