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_STREAM_SESSION_H_
17 #define SRC_VNET_SESSION_STREAM_SESSION_H_
19 #include <vnet/vnet.h>
20 #include <svm/svm_fifo.h>
22 #define foreach_session_type \
30 #define _(A, a) SESSION_TYPE_##A,
37 * Application session state
41 SESSION_STATE_LISTENING,
42 SESSION_STATE_CONNECTING,
43 SESSION_STATE_ACCEPTING,
46 SESSION_STATE_N_STATES,
47 } stream_session_state_t;
49 typedef struct _stream_session_t
51 /** fifo pointers. Once allocated, these do not move */
52 svm_fifo_t *server_rx_fifo;
53 svm_fifo_t *server_tx_fifo;
59 volatile u8 session_state;
63 /** To avoid n**2 "one event per frame" check */
66 /** svm segment index where fifos were allocated */
67 u32 svm_segment_index;
69 /** Session index in per_thread pool */
72 /** Transport specific */
75 /** stream server pool index */
78 /** Parent listener session if the result of an accept */
81 CLIB_CACHE_LINE_ALIGN_MARK (pad);
84 #endif /* SRC_VNET_SESSION_STREAM_SESSION_H_ */
87 * fd.io coding-style-patch-verification: ON
90 * eval: (c-set-style "gnu")