Commit 10feb428 authored Mar 12, 2015 by Eric Dumazet Committed by David S. Miller Mar 12, 2015

inet: add TCP_NEW_SYN_RECV state



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>

parent bd337c58

include/net/tcp_states.h

+3 −1

Original line number	Diff line number	Diff line
		@@ -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 */