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);
35 clib_error_t *(*enable) (vlib_main_t * vm, u8 is_en);
40 u32 (*push_header) (transport_connection_t * tconn, vlib_buffer_t * b);
41 u16 (*send_mss) (transport_connection_t * tc);
42 u32 (*send_space) (transport_connection_t * tc);
43 u32 (*tx_fifo_offset) (transport_connection_t * tc);
44 void (*update_time) (f64 time_now, u8 thread_index);
47 * Connection retrieval
49 transport_connection_t *(*get_connection) (u32 conn_idx, u32 thread_idx);
50 transport_connection_t *(*get_listener) (u32 conn_index);
51 transport_connection_t *(*get_half_open) (u32 conn_index);
56 u8 *(*format_connection) (u8 * s, va_list * args);
57 u8 *(*format_listener) (u8 * s, va_list * args);
58 u8 *(*format_half_open) (u8 * s, va_list * args);
59 } transport_proto_vft_t;
61 extern transport_proto_vft_t *tp_vfts;
63 #define transport_proto_foreach(VAR, BODY) \
65 for (VAR = 0; VAR < vec_len (tp_vfts); VAR++) \
66 if (tp_vfts[VAR].push_header != 0) \
67 do { BODY; } while (0); \
70 void transport_register_protocol (transport_proto_t transport_proto,
71 const transport_proto_vft_t * vft,
72 fib_protocol_t fib_proto, u32 output_node);
73 transport_proto_vft_t *transport_protocol_get_vft (transport_proto_t tp);
74 void transport_update_time (f64 time_now, u8 thread_index);
75 void transport_enable_disable (vlib_main_t * vm, u8 is_en);
77 #endif /* SRC_VNET_SESSION_TRANSPORT_INTERFACE_H_ */
80 * fd.io coding-style-patch-verification: ON
83 * eval: (c-set-style "gnu")