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Merge tag 'vfs-6.13-rc7.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
[J-linux.git] / tools / testing / selftests / bpf / cgroup_tcp_skb.h
1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* Copyright (c) 2023 Meta Platforms, Inc. and affiliates. */
3
4 /* Define states of a socket to tracking messages sending to and from the
5  * socket.
6  *
7  * These states are based on rfc9293 with some modifications to support
8  * tracking of messages sent out from a socket. For example, when a SYN is
9  * received, a new socket is transiting to the SYN_RECV state defined in
10  * rfc9293. But, we put it in SYN_RECV_SENDING_SYN_ACK state and when
11  * SYN-ACK is sent out, it moves to SYN_RECV state. With this modification,
12  * we can track the message sent out from a socket.
13  */
14
15 #ifndef __CGROUP_TCP_SKB_H__
16 #define __CGROUP_TCP_SKB_H__
17
18 enum {
19         INIT,
20         CLOSED,
21         SYN_SENT,
22         SYN_RECV_SENDING_SYN_ACK,
23         SYN_RECV,
24         ESTABLISHED,
25         FIN_WAIT1,
26         FIN_WAIT2,
27         CLOSE_WAIT_SENDING_ACK,
28         CLOSE_WAIT,
29         CLOSING,
30         LAST_ACK,
31         TIME_WAIT_SENDING_ACK,
32         TIME_WAIT,
33 };
34
35 #endif /* __CGROUP_TCP_SKB_H__ */
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