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/fib/fib_table.h>
24 #include <vnet/ip/ip_types_api.h>
26 #include <geneve/geneve.h>
28 /* define message IDs */
29 #include <vnet/format_fns.h>
30 #include <geneve/geneve.api_enum.h>
31 #include <geneve/geneve.api_types.h>
34 * Base message ID fot the plugin
36 static u32 geneve_base_msg_id;
37 #define REPLY_MSG_ID_BASE geneve_base_msg_id
39 #include <vlibapi/api_helper_macros.h>
42 vl_api_sw_interface_set_geneve_bypass_t_handler
43 (vl_api_sw_interface_set_geneve_bypass_t * mp)
45 vl_api_sw_interface_set_geneve_bypass_reply_t *rmp;
47 u32 sw_if_index = ntohl (mp->sw_if_index);
49 VALIDATE_SW_IF_INDEX (mp);
51 vnet_int_geneve_bypass_mode (sw_if_index, mp->is_ipv6, mp->enable);
52 BAD_SW_IF_INDEX_LABEL;
54 REPLY_MACRO (VL_API_SW_INTERFACE_SET_GENEVE_BYPASS_REPLY);
57 static void vl_api_geneve_add_del_tunnel_t_handler
58 (vl_api_geneve_add_del_tunnel_t * mp)
60 vl_api_geneve_add_del_tunnel_reply_t *rmp;
62 ip4_main_t *im = &ip4_main;
64 uword *p = hash_get (im->fib_index_by_table_id, ntohl (mp->encap_vrf_id));
67 rv = VNET_API_ERROR_NO_SUCH_FIB;
71 vnet_geneve_add_del_tunnel_args_t a = {
73 .is_ip6 = mp->remote_address.af,
74 .mcast_sw_if_index = ntohl (mp->mcast_sw_if_index),
75 .encap_fib_index = p[0],
76 .decap_next_index = ntohl (mp->decap_next_index),
77 .vni = ntohl (mp->vni),
80 ip_address_decode (&mp->remote_address, &a.remote);
81 ip_address_decode (&mp->local_address, &a.local);
83 /* Check src & dst are different */
84 if (ip46_address_cmp (&a.remote, &a.local) == 0)
86 rv = VNET_API_ERROR_SAME_SRC_DST;
89 if (ip46_address_is_multicast (&a.remote) &&
90 !vnet_sw_if_index_is_api_valid (a.mcast_sw_if_index))
92 rv = VNET_API_ERROR_INVALID_SW_IF_INDEX;
97 rv = vnet_geneve_add_del_tunnel (&a, &sw_if_index);
101 REPLY_MACRO2(VL_API_GENEVE_ADD_DEL_TUNNEL_REPLY,
103 rmp->sw_if_index = ntohl (sw_if_index);
108 static void vl_api_geneve_add_del_tunnel2_t_handler
109 (vl_api_geneve_add_del_tunnel2_t * mp)
111 vl_api_geneve_add_del_tunnel2_reply_t *rmp;
113 ip4_main_t *im = &ip4_main;
115 uword *p = hash_get (im->fib_index_by_table_id, ntohl (mp->encap_vrf_id));
118 rv = VNET_API_ERROR_NO_SUCH_FIB;
122 vnet_geneve_add_del_tunnel_args_t a = {
123 .is_add = mp->is_add,
124 .is_ip6 = mp->remote_address.af,
125 .mcast_sw_if_index = ntohl (mp->mcast_sw_if_index),
126 .encap_fib_index = p[0],
127 .decap_next_index = ntohl (mp->decap_next_index),
128 .vni = ntohl (mp->vni),
129 .l3_mode = mp->l3_mode,
132 ip_address_decode (&mp->remote_address, &a.remote);
133 ip_address_decode (&mp->local_address, &a.local);
135 /* Check src & dst are different */
136 if (ip46_address_cmp (&a.remote, &a.local) == 0)
138 rv = VNET_API_ERROR_SAME_SRC_DST;
141 if (ip46_address_is_multicast (&a.remote) &&
142 !vnet_sw_if_index_is_api_valid (a.mcast_sw_if_index))
144 rv = VNET_API_ERROR_INVALID_SW_IF_INDEX;
148 u32 sw_if_index = ~0;
149 rv = vnet_geneve_add_del_tunnel (&a, &sw_if_index);
153 REPLY_MACRO2(VL_API_GENEVE_ADD_DEL_TUNNEL2_REPLY,
155 rmp->sw_if_index = ntohl (sw_if_index);
160 static void send_geneve_tunnel_details
161 (geneve_tunnel_t * t, vl_api_registration_t * reg, u32 context)
163 vl_api_geneve_tunnel_details_t *rmp;
164 ip4_main_t *im4 = &ip4_main;
165 ip6_main_t *im6 = &ip6_main;
166 u8 is_ipv6 = !ip46_address_is_ip4 (&t->remote);
168 rmp = vl_msg_api_alloc (sizeof (*rmp));
169 clib_memset (rmp, 0, sizeof (*rmp));
170 rmp->_vl_msg_id = ntohs (VL_API_GENEVE_TUNNEL_DETAILS + REPLY_MSG_ID_BASE);
171 ip_address_encode (&t->local, is_ipv6 ? IP46_TYPE_IP6 : IP46_TYPE_IP4,
173 ip_address_encode (&t->remote, is_ipv6 ? IP46_TYPE_IP6 : IP46_TYPE_IP4,
176 htonl (is_ipv6 ? im6->fibs[t->encap_fib_index].
177 ft_table_id : im4->fibs[t->encap_fib_index].ft_table_id);
179 rmp->mcast_sw_if_index = htonl (t->mcast_sw_if_index);
180 rmp->vni = htonl (t->vni);
181 rmp->decap_next_index = htonl (t->decap_next_index);
182 rmp->sw_if_index = htonl (t->sw_if_index);
183 rmp->context = context;
185 vl_api_send_msg (reg, (u8 *) rmp);
188 static void vl_api_geneve_tunnel_dump_t_handler
189 (vl_api_geneve_tunnel_dump_t * mp)
191 vl_api_registration_t *reg;
192 geneve_main_t *vxm = &geneve_main;
196 reg = vl_api_client_index_to_registration (mp->client_index);
200 sw_if_index = ntohl (mp->sw_if_index);
202 if (~0 == sw_if_index)
205 pool_foreach (t, vxm->tunnels)
207 send_geneve_tunnel_details(t, reg, mp->context);
213 if ((sw_if_index >= vec_len (vxm->tunnel_index_by_sw_if_index)) ||
214 (~0 == vxm->tunnel_index_by_sw_if_index[sw_if_index]))
218 t = &vxm->tunnels[vxm->tunnel_index_by_sw_if_index[sw_if_index]];
219 send_geneve_tunnel_details (t, reg, mp->context);
225 * Add geneve's API message handlers to the table.
227 /* API definitions */
228 #include <vnet/format_fns.h>
229 #include <geneve/geneve.api.c>
231 static clib_error_t *
232 geneve_api_hookup (vlib_main_t * vm)
234 api_main_t *am = vlibapi_get_main ();
237 * Set up the (msg_name, crc, message-id) table
239 geneve_base_msg_id = setup_message_id_table ();
241 am->api_trace_cfg[VL_API_GENEVE_ADD_DEL_TUNNEL + REPLY_MSG_ID_BASE].size +=
247 VLIB_API_INIT_FUNCTION (geneve_api_hookup);
249 #include <vlib/unix/plugin.h>
250 #include <vpp/app/version.h>
253 VLIB_PLUGIN_REGISTER () = {
254 .version = VPP_BUILD_VER,
255 .description = "GENEVE Tunnels",
260 * fd.io coding-style-patch-verification: ON
263 * eval: (c-set-style "gnu")