2 *------------------------------------------------------------------
3 * vxlan_gbp_api.c - vxlan gbp api
5 * Copyright (c) 2018 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-gbp/vxlan_gbp.h>
27 #include <vnet/fib/fib_table.h>
28 #include <vnet/ip/ip_types_api.h>
30 #include <vnet/vnet_msg_enum.h>
32 #define vl_typedefs /* define message structures */
33 #include <vnet/vnet_all_api_h.h>
36 #define vl_endianfun /* define message structures */
37 #include <vnet/vnet_all_api_h.h>
40 /* instantiate all the print functions we know about */
41 #define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
43 #include <vnet/vnet_all_api_h.h>
46 #include <vlibapi/api_helper_macros.h>
48 #define foreach_vpe_api_msg \
49 _(SW_INTERFACE_SET_VXLAN_GBP_BYPASS, sw_interface_set_vxlan_gbp_bypass) \
50 _(VXLAN_GBP_TUNNEL_ADD_DEL, vxlan_gbp_tunnel_add_del) \
51 _(VXLAN_GBP_TUNNEL_DUMP, vxlan_gbp_tunnel_dump)
54 vl_api_sw_interface_set_vxlan_gbp_bypass_t_handler
55 (vl_api_sw_interface_set_vxlan_gbp_bypass_t * mp)
57 vl_api_sw_interface_set_vxlan_gbp_bypass_reply_t *rmp;
59 u32 sw_if_index = ntohl (mp->sw_if_index);
61 VALIDATE_SW_IF_INDEX (mp);
63 vnet_int_vxlan_gbp_bypass_mode (sw_if_index, mp->is_ipv6, mp->enable);
64 BAD_SW_IF_INDEX_LABEL;
66 REPLY_MACRO (VL_API_SW_INTERFACE_SET_VXLAN_GBP_BYPASS_REPLY);
70 vxlan_gbp_tunnel_mode_decode (vl_api_vxlan_gbp_api_tunnel_mode_t in,
71 vxlan_gbp_tunnel_mode_t * out)
73 in = clib_net_to_host_u32 (in);
77 case VXLAN_GBP_API_TUNNEL_MODE_L2:
78 *out = VXLAN_GBP_TUNNEL_MODE_L2;
80 case VXLAN_GBP_API_TUNNEL_MODE_L3:
81 *out = VXLAN_GBP_TUNNEL_MODE_L3;
84 return (VNET_API_ERROR_INVALID_VALUE);
87 static void vl_api_vxlan_gbp_tunnel_add_del_t_handler
88 (vl_api_vxlan_gbp_tunnel_add_del_t * mp)
90 vl_api_vxlan_gbp_tunnel_add_del_reply_t *rmp;
91 vxlan_gbp_tunnel_mode_t mode;
92 ip46_address_t src, dst;
98 itype = ip_address_decode (&mp->tunnel.src, &src);
99 itype = ip_address_decode (&mp->tunnel.dst, &dst);
101 fib_index = fib_table_find (fib_proto_from_ip46 (itype),
102 ntohl (mp->tunnel.encap_table_id));
105 rv = VNET_API_ERROR_NO_SUCH_FIB;
109 rv = vxlan_gbp_tunnel_mode_decode (mp->tunnel.mode, &mode);
114 vnet_vxlan_gbp_tunnel_add_del_args_t a = {
115 .is_add = mp->is_add,
116 .is_ip6 = (itype == IP46_TYPE_IP6),
117 .instance = ntohl (mp->tunnel.instance),
118 .mcast_sw_if_index = ntohl (mp->tunnel.mcast_sw_if_index),
119 .encap_fib_index = fib_index,
120 .vni = ntohl (mp->tunnel.vni),
126 /* Check src & dst are different */
127 if (ip46_address_cmp (&a.dst, &a.src) == 0)
129 rv = VNET_API_ERROR_SAME_SRC_DST;
132 if (ip46_address_is_multicast (&a.dst) &&
133 !vnet_sw_if_index_is_api_valid (a.mcast_sw_if_index))
135 rv = VNET_API_ERROR_INVALID_SW_IF_INDEX;
139 rv = vnet_vxlan_gbp_tunnel_add_del (&a, &sw_if_index);
143 REPLY_MACRO2(VL_API_VXLAN_GBP_TUNNEL_ADD_DEL_REPLY,
145 rmp->sw_if_index = ntohl (sw_if_index);
150 static void send_vxlan_gbp_tunnel_details
151 (vxlan_gbp_tunnel_t * t, vl_api_registration_t * reg, u32 context)
153 vl_api_vxlan_gbp_tunnel_details_t *rmp;
154 ip46_type_t itype = (ip46_address_is_ip4 (&t->dst) ?
155 IP46_TYPE_IP4 : IP46_TYPE_IP6);
157 rmp = vl_msg_api_alloc (sizeof (*rmp));
158 clib_memset (rmp, 0, sizeof (*rmp));
159 rmp->_vl_msg_id = ntohs (VL_API_VXLAN_GBP_TUNNEL_DETAILS);
161 ip_address_encode (&t->src, itype, &rmp->tunnel.src);
162 ip_address_encode (&t->dst, itype, &rmp->tunnel.dst);
163 rmp->tunnel.encap_table_id =
164 fib_table_get_table_id (t->encap_fib_index, fib_proto_from_ip46 (itype));
166 rmp->tunnel.instance = htonl (t->user_instance);
167 rmp->tunnel.mcast_sw_if_index = htonl (t->mcast_sw_if_index);
168 rmp->tunnel.vni = htonl (t->vni);
169 rmp->tunnel.sw_if_index = htonl (t->sw_if_index);
170 rmp->context = context;
172 vl_api_send_msg (reg, (u8 *) rmp);
175 static void vl_api_vxlan_gbp_tunnel_dump_t_handler
176 (vl_api_vxlan_gbp_tunnel_dump_t * mp)
178 vl_api_registration_t *reg;
179 vxlan_gbp_main_t *vxm = &vxlan_gbp_main;
180 vxlan_gbp_tunnel_t *t;
183 reg = vl_api_client_index_to_registration (mp->client_index);
187 sw_if_index = ntohl (mp->sw_if_index);
189 if (~0 == sw_if_index)
192 pool_foreach (t, vxm->tunnels,
194 send_vxlan_gbp_tunnel_details(t, reg, mp->context);
200 if ((sw_if_index >= vec_len (vxm->tunnel_index_by_sw_if_index)) ||
201 (~0 == vxm->tunnel_index_by_sw_if_index[sw_if_index]))
205 t = &vxm->tunnels[vxm->tunnel_index_by_sw_if_index[sw_if_index]];
206 send_vxlan_gbp_tunnel_details (t, reg, mp->context);
212 * Add vpe's API message handlers to the table.
213 * vlib has already mapped shared memory and
214 * added the client registration handlers.
215 * See .../vlib-api/vlibmemory/memclnt_vlib.c:memclnt_process()
217 #define vl_msg_name_crc_list
218 #include <vnet/vnet_all_api_h.h>
219 #undef vl_msg_name_crc_list
222 setup_message_id_table (api_main_t * am)
224 #define _(id,n,crc) vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id);
225 foreach_vl_msg_name_crc_vxlan_gbp;
229 static clib_error_t *
230 vxlan_gbp_api_hookup (vlib_main_t * vm)
232 api_main_t *am = vlibapi_get_main ();
235 vl_msg_api_set_handlers(VL_API_##N, #n, \
236 vl_api_##n##_t_handler, \
238 vl_api_##n##_t_endian, \
239 vl_api_##n##_t_print, \
240 sizeof(vl_api_##n##_t), 1);
245 * Set up the (msg_name, crc, message-id) table
247 setup_message_id_table (am);
252 VLIB_API_INIT_FUNCTION (vxlan_gbp_api_hookup);
255 * fd.io coding-style-patch-verification: ON
258 * eval: (c-set-style "gnu")