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[tcp] Set PSH flag only on packets containing data

Suggested-by: Yelena Kadach <klenusik@hotmail.com>
Signed-off-by: Michael Brown <mcb30@ipxe.org>
tags/v1.20.1
Michael Brown 14 years ago
parent
commit
67dc832d15
1 changed files with 1 additions and 1 deletions
  1. 1
    1
      src/net/tcp.c

+ 1
- 1
src/net/tcp.c View File

@@ -522,7 +522,7 @@ static int tcp_xmit ( struct tcp_connection *tcp ) {
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 		tsopt->tsopt.tsval = htonl ( currticks() );
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 		tsopt->tsopt.tsecr = htonl ( tcp->ts_recent );
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 	}
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-	if ( ! ( flags & TCP_SYN ) )
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+	if ( len != 0 )
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 		flags |= TCP_PSH;
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 	tcphdr = iob_push ( iobuf, sizeof ( *tcphdr ) );
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 	memset ( tcphdr, 0, sizeof ( *tcphdr ) );

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