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inet: add TCP_NEW_SYN_RECV state

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TCP_SYN_RECV state is currently used by fast open sockets.

Initial TCP requests (the pseudo sockets created when a SYN is received)
are not yet associated to a state. They are attached to their parent,
and the parent is in TCP_LISTEN state.

This commit adds TCP_NEW_SYN_RECV state, so that we can convert
TCP stack to a different schem gradually.

This state is not exported to user space.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet 2015-03-12 16:44:04 -07:00 committed by David S. Miller
parent bd337c581b
commit 10feb428a5
1 changed files with 3 additions and 1 deletions
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4
include/net/tcp_states.h
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@ -25,6 +25,7 @@ enum {
TCP_LAST_ACK,
TCP_LISTEN,
TCP_CLOSING, /* Now a valid state */
TCP_NEW_SYN_RECV,
TCP_MAX_STATES /* Leave at the end! */
};
@ -44,7 +45,8 @@ enum {
TCPF_CLOSE_WAIT = (1 << 8),
TCPF_LAST_ACK = (1 << 9),
TCPF_LISTEN = (1 << 10),
TCPF_CLOSING = (1 << 11)
TCPF_CLOSING = (1 << 11),
TCPF_NEW_SYN_RECV = (1 << 12),
};
#endif /* _LINUX_TCP_STATES_H */