2 * Copyright (c) 2018-2019 Cisco and/or its affiliates.
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.
16 #include <vnet/vnet.h>
17 #include <vlibmemory/api.h>
19 #include <vnet/udp/udp_local.h>
20 #include <vnet/udp/udp_encap.h>
21 #include <vnet/fib/fib_table.h>
22 #include <vnet/ip/ip_types_api.h>
24 #include <vnet/vnet_msg_enum.h>
26 #define vl_typedefs /* define message structures */
27 #include <vnet/vnet_all_api_h.h>
30 #define vl_endianfun /* define message structures */
31 #include <vnet/vnet_all_api_h.h>
34 /* instantiate all the print functions we know about */
35 #define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
37 #include <vnet/vnet_all_api_h.h>
40 #include <vlibapi/api_helper_macros.h>
42 #define foreach_udp_api_msg \
43 _ (UDP_ENCAP_DEL, udp_encap_del) \
44 _ (UDP_ENCAP_ADD, udp_encap_add) \
45 _ (UDP_ENCAP_DUMP, udp_encap_dump) \
46 _ (UDP_DECAP_ADD_DEL, udp_decap_add_del)
49 send_udp_encap_details (const udp_encap_t * ue, vl_api_registration_t * reg,
52 vl_api_udp_encap_details_t *mp;
54 mp = vl_msg_api_alloc (sizeof (*mp));
55 clib_memset (mp, 0, sizeof (*mp));
56 mp->_vl_msg_id = ntohs (VL_API_UDP_ENCAP_DETAILS);
57 mp->context = context;
59 if (FIB_PROTOCOL_IP4 == ue->ue_ip_proto)
61 clib_memcpy (&mp->udp_encap.src_ip.un.ip4,
62 &ue->ue_hdrs.ip4.ue_ip4.src_address, 4);
63 clib_memcpy (&mp->udp_encap.dst_ip.un.ip4,
64 &ue->ue_hdrs.ip4.ue_ip4.dst_address, 4);
65 mp->udp_encap.dst_ip.af = ip_address_family_encode (AF_IP4);
66 mp->udp_encap.src_ip.af = ip_address_family_encode (AF_IP4);
68 /* ports aren't byte swapped because they are stored in network
70 mp->udp_encap.src_port = ue->ue_hdrs.ip4.ue_udp.src_port;
71 mp->udp_encap.dst_port = ue->ue_hdrs.ip4.ue_udp.dst_port;
75 clib_memcpy (&mp->udp_encap.src_ip.un.ip6,
76 &ue->ue_hdrs.ip6.ue_ip6.src_address, 16);
77 clib_memcpy (&mp->udp_encap.dst_ip.un.ip6,
78 &ue->ue_hdrs.ip6.ue_ip6.dst_address, 16);
79 mp->udp_encap.dst_ip.af = ip_address_family_encode (AF_IP6);
80 mp->udp_encap.src_ip.af = ip_address_family_encode (AF_IP6);
82 /* ports aren't byte swapped because they are stored in network
84 mp->udp_encap.src_port = ue->ue_hdrs.ip6.ue_udp.src_port;
85 mp->udp_encap.dst_port = ue->ue_hdrs.ip6.ue_udp.dst_port;
88 mp->udp_encap.table_id =
89 htonl (fib_table_get_table_id (ue->ue_fib_index, ue->ue_ip_proto));
90 mp->udp_encap.id = htonl (ue - udp_encap_pool);
92 vl_api_send_msg (reg, (u8 *) mp);
96 vl_api_udp_encap_dump_t_handler (vl_api_udp_encap_dump_t *mp)
98 vl_api_registration_t *reg;
101 reg = vl_api_client_index_to_registration (mp->client_index);
106 pool_foreach (ue, udp_encap_pool)
108 send_udp_encap_details(ue, reg, mp->context);
114 vl_api_udp_encap_add_t_handler (vl_api_udp_encap_add_t *mp)
116 vl_api_udp_encap_add_reply_t *rmp;
117 ip46_address_t src_ip, dst_ip;
118 u32 fib_index, table_id;
119 fib_protocol_t fproto;
125 table_id = ntohl (mp->udp_encap.table_id);
127 itype = ip_address_decode (&mp->udp_encap.src_ip, &src_ip);
128 itype = ip_address_decode (&mp->udp_encap.dst_ip, &dst_ip);
129 fproto = fib_proto_from_ip46 (itype);
130 fib_index = fib_table_find (fproto, table_id);
134 rv = VNET_API_ERROR_NO_SUCH_TABLE;
138 uei = udp_encap_add_and_lock (fproto, fib_index,
140 ntohs (mp->udp_encap.src_port),
141 ntohs (mp->udp_encap.dst_port),
142 UDP_ENCAP_FIXUP_NONE);
146 REPLY_MACRO2 (VL_API_UDP_ENCAP_ADD_REPLY,
148 rmp->id = ntohl (uei);
155 vl_api_udp_encap_del_t_handler (vl_api_udp_encap_del_t *mp)
157 vl_api_udp_encap_del_reply_t *rmp;
160 udp_encap_unlock (ntohl (mp->id));
162 REPLY_MACRO (VL_API_UDP_ENCAP_DEL_REPLY);
166 udp_api_decap_proto_to_index (vlib_main_t *vm,
167 vl_api_udp_decap_next_proto_t iproto)
171 case UDP_API_DECAP_PROTO_IP4:
172 return vlib_get_node_by_name (vm, (u8 *) "ip4-input")->index;
173 case UDP_API_DECAP_PROTO_IP6:
174 return vlib_get_node_by_name (vm, (u8 *) "ip6-input")->index;
175 case UDP_API_DECAP_PROTO_MPLS:
176 return vlib_get_node_by_name (vm, (u8 *) "mpls-input")->index;
182 vl_api_udp_decap_add_del_t_handler (vl_api_udp_decap_add_del_t *mp)
184 vl_api_udp_decap_add_del_reply_t *rmp;
185 vlib_main_t *vm = vlib_get_main ();
191 udp_api_decap_proto_to_index (vm, ntohl (mp->udp_decap.next_proto));
192 if (node_index == ~0)
193 rv = VNET_API_ERROR_INVALID_PROTOCOL;
195 udp_register_dst_port (vm, ntohs (mp->udp_decap.port), node_index,
196 mp->udp_decap.is_ip4);
199 udp_unregister_dst_port (vm, ntohs (mp->udp_decap.port),
200 mp->udp_decap.is_ip4);
201 REPLY_MACRO (VL_API_UDP_DECAP_ADD_DEL_REPLY);
204 #define vl_msg_name_crc_list
205 #include <vnet/udp/udp.api.h>
206 #undef vl_msg_name_crc_list
209 setup_message_id_table (api_main_t * am)
211 #define _(id,n,crc) vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id);
212 foreach_vl_msg_name_crc_udp;
216 static clib_error_t *
217 udp_api_hookup (vlib_main_t * vm)
219 api_main_t *am = vlibapi_get_main ();
222 vl_msg_api_set_handlers(VL_API_##N, #n, \
223 vl_api_##n##_t_handler, \
225 vl_api_##n##_t_endian, \
226 vl_api_##n##_t_print, \
227 sizeof(vl_api_##n##_t), 1);
232 * Set up the (msg_name, crc, message-id) table
234 setup_message_id_table (am);
239 VLIB_API_INIT_FUNCTION (udp_api_hookup);
242 * fd.io coding-style-patch-verification: ON
245 * eval: (c-set-style "gnu")