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>
23 #include <vnet/udp/udp.h>
25 #include <vnet/format_fns.h>
26 #include <vnet/udp/udp.api_enum.h>
27 #include <vnet/udp/udp.api_types.h>
29 #define REPLY_MSG_ID_BASE udp_main.msg_id_base
30 #include <vlibapi/api_helper_macros.h>
33 send_udp_encap_details (const udp_encap_t * ue, vl_api_registration_t * reg,
36 vl_api_udp_encap_details_t *mp;
38 mp = vl_msg_api_alloc (sizeof (*mp));
39 clib_memset (mp, 0, sizeof (*mp));
40 mp->_vl_msg_id = ntohs (REPLY_MSG_ID_BASE + VL_API_UDP_ENCAP_DETAILS);
41 mp->context = context;
43 if (FIB_PROTOCOL_IP4 == ue->ue_ip_proto)
45 clib_memcpy (&mp->udp_encap.src_ip.un.ip4,
46 &ue->ue_hdrs.ip4.ue_ip4.src_address, 4);
47 clib_memcpy (&mp->udp_encap.dst_ip.un.ip4,
48 &ue->ue_hdrs.ip4.ue_ip4.dst_address, 4);
49 mp->udp_encap.dst_ip.af = ip_address_family_encode (AF_IP4);
50 mp->udp_encap.src_ip.af = ip_address_family_encode (AF_IP4);
52 /* ports aren't byte swapped because they are stored in network
54 mp->udp_encap.src_port = ue->ue_hdrs.ip4.ue_udp.src_port;
55 mp->udp_encap.dst_port = ue->ue_hdrs.ip4.ue_udp.dst_port;
59 clib_memcpy (&mp->udp_encap.src_ip.un.ip6,
60 &ue->ue_hdrs.ip6.ue_ip6.src_address, 16);
61 clib_memcpy (&mp->udp_encap.dst_ip.un.ip6,
62 &ue->ue_hdrs.ip6.ue_ip6.dst_address, 16);
63 mp->udp_encap.dst_ip.af = ip_address_family_encode (AF_IP6);
64 mp->udp_encap.src_ip.af = ip_address_family_encode (AF_IP6);
66 /* ports aren't byte swapped because they are stored in network
68 mp->udp_encap.src_port = ue->ue_hdrs.ip6.ue_udp.src_port;
69 mp->udp_encap.dst_port = ue->ue_hdrs.ip6.ue_udp.dst_port;
72 mp->udp_encap.table_id =
73 htonl (fib_table_get_table_id (ue->ue_fib_index, ue->ue_ip_proto));
74 mp->udp_encap.id = htonl (ue - udp_encap_pool);
76 vl_api_send_msg (reg, (u8 *) mp);
80 vl_api_udp_encap_dump_t_handler (vl_api_udp_encap_dump_t *mp)
82 vl_api_registration_t *reg;
85 reg = vl_api_client_index_to_registration (mp->client_index);
89 pool_foreach (ue, udp_encap_pool)
91 send_udp_encap_details(ue, reg, mp->context);
96 vl_api_udp_encap_add_t_handler (vl_api_udp_encap_add_t *mp)
98 vl_api_udp_encap_add_reply_t *rmp;
99 ip46_address_t src_ip, dst_ip;
100 udp_encap_fixup_flags_t flags;
101 u32 fib_index, table_id;
102 fib_protocol_t fproto;
108 table_id = ntohl (mp->udp_encap.table_id);
110 itype = ip_address_decode (&mp->udp_encap.src_ip, &src_ip);
111 itype = ip_address_decode (&mp->udp_encap.dst_ip, &dst_ip);
112 fproto = fib_proto_from_ip46 (itype);
113 fib_index = fib_table_find (fproto, table_id);
117 rv = VNET_API_ERROR_NO_SUCH_TABLE;
121 flags = UDP_ENCAP_FIXUP_NONE;
122 if (mp->udp_encap.src_port == 0)
123 flags |= UDP_ENCAP_FIXUP_UDP_SRC_PORT_ENTROPY;
125 uei = udp_encap_add_and_lock (fproto, fib_index, &src_ip, &dst_ip,
126 ntohs (mp->udp_encap.src_port),
127 ntohs (mp->udp_encap.dst_port), flags);
130 REPLY_MACRO2 (VL_API_UDP_ENCAP_ADD_REPLY,
132 rmp->id = ntohl (uei);
138 vl_api_udp_encap_del_t_handler (vl_api_udp_encap_del_t *mp)
140 vl_api_udp_encap_del_reply_t *rmp;
143 udp_encap_unlock (ntohl (mp->id));
145 REPLY_MACRO (VL_API_UDP_ENCAP_DEL_REPLY);
149 udp_api_decap_proto_to_index (vlib_main_t *vm,
150 vl_api_udp_decap_next_proto_t iproto)
154 case UDP_API_DECAP_PROTO_IP4:
155 return vlib_get_node_by_name (vm, (u8 *) "ip4-input")->index;
156 case UDP_API_DECAP_PROTO_IP6:
157 return vlib_get_node_by_name (vm, (u8 *) "ip6-input")->index;
158 case UDP_API_DECAP_PROTO_MPLS:
159 return vlib_get_node_by_name (vm, (u8 *) "mpls-input")->index;
165 vl_api_udp_decap_add_del_t_handler (vl_api_udp_decap_add_del_t *mp)
167 vl_api_udp_decap_add_del_reply_t *rmp;
168 vlib_main_t *vm = vlib_get_main ();
174 udp_api_decap_proto_to_index (vm, ntohl (mp->udp_decap.next_proto));
175 if (node_index == ~0)
176 rv = VNET_API_ERROR_INVALID_PROTOCOL;
178 udp_register_dst_port (vm, ntohs (mp->udp_decap.port), node_index,
179 mp->udp_decap.is_ip4);
182 udp_unregister_dst_port (vm, ntohs (mp->udp_decap.port),
183 mp->udp_decap.is_ip4);
184 REPLY_MACRO (VL_API_UDP_DECAP_ADD_DEL_REPLY);
187 #include <vnet/udp/udp.api.c>
188 static clib_error_t *
189 udp_api_hookup (vlib_main_t * vm)
191 api_main_t *am = vlibapi_get_main ();
194 * Set up the (msg_name, crc, message-id) table
196 REPLY_MSG_ID_BASE = setup_message_id_table ();
198 /* Mark these APIs as mp safe */
199 vl_api_set_msg_thread_safe (am, REPLY_MSG_ID_BASE + VL_API_UDP_ENCAP_ADD, 1);
200 vl_api_set_msg_thread_safe (am, REPLY_MSG_ID_BASE + VL_API_UDP_ENCAP_DEL, 1);
201 vl_api_set_msg_thread_safe (am, REPLY_MSG_ID_BASE + VL_API_UDP_ENCAP_DUMP,
207 VLIB_API_INIT_FUNCTION (udp_api_hookup);
210 * fd.io coding-style-patch-verification: ON
213 * eval: (c-set-style "gnu")