2 * Copyright (c) 2017 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 #ifndef SRC_VNET_SESSION_TRANSPORT_INTERFACE_H_
17 #define SRC_VNET_SESSION_TRANSPORT_INTERFACE_H_
19 #include <vnet/vnet.h>
20 #include <vnet/session/transport.h>
23 * Transport protocol virtual function table
25 typedef struct _transport_proto_vft
30 u32 (*bind) (u32 session_index, transport_endpoint_t * lcl);
32 int (*open) (transport_endpoint_t * rmt);
33 void (*close) (u32 conn_index, u32 thread_index);
34 void (*cleanup) (u32 conn_index, u32 thread_index);
39 u32 (*push_header) (transport_connection_t * tconn, vlib_buffer_t * b);
40 u16 (*send_mss) (transport_connection_t * tc);
41 u32 (*send_space) (transport_connection_t * tc);
42 u32 (*tx_fifo_offset) (transport_connection_t * tc);
45 * Connection retrieval
47 transport_connection_t *(*get_connection) (u32 conn_idx, u32 thread_idx);
48 transport_connection_t *(*get_listener) (u32 conn_index);
49 transport_connection_t *(*get_half_open) (u32 conn_index);
54 u8 *(*format_connection) (u8 * s, va_list * args);
55 u8 *(*format_listener) (u8 * s, va_list * args);
56 u8 *(*format_half_open) (u8 * s, va_list * args);
57 } transport_proto_vft_t;
59 typedef clib_bihash_24_8_t transport_endpoint_table_t;
61 #define TRANSPORT_ENDPOINT_INVALID_INDEX ((u32)~0)
63 u32 transport_endpoint_lookup (transport_endpoint_table_t * ht,
64 ip46_address_t * ip, u16 port);
65 void transport_endpoint_table_add (transport_endpoint_table_t * ht,
66 transport_endpoint_t * te, u32 value);
67 void transport_endpoint_table_del (transport_endpoint_table_t * ht,
68 transport_endpoint_t * te);
70 void session_register_transport (transport_proto_t transport_proto, u8 is_ip4,
71 const transport_proto_vft_t * vft);
72 transport_proto_vft_t *session_get_transport_vft (u8 session_type);
74 #endif /* SRC_VNET_SESSION_TRANSPORT_INTERFACE_H_ */
77 * fd.io coding-style-patch-verification: ON
80 * eval: (c-set-style "gnu")