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Commit 6d67e9be authored by Feng King's avatar Feng King Committed by David S. Miller
Browse files

tcp: Fix comments for Nagle algorithm 



TCP_NODELAY is weaker than TCP_CORK, when TCP_CORK was set, small
segments will always pass Nagle test regardless of TCP_NODELAY option.

Signed-off-by: default avatarFeng King <kinwin2008@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 59caa561

net/ipv4/tcp_output.c

+1 −1
Original line number Diff line number Diff line
@@ -1382,7 +1382,7 @@ static inline int tcp_minshall_check(const struct tcp_sock *tp) 
/* Return 0, if packet can be sent now without violation Nagle's rules:

 * 1. It is full sized.

 * 2. Or it contains FIN. (already checked by caller)

 * 3. Or TCP_NODELAY was set.

 * 3. Or TCP_CORK is not set, and TCP_NODELAY is set.

 * 4. Or TCP_CORK is not set, and all sent packets are ACKed.

 *    With Minshall's modification: all sent small packets are ACKed.

 */