Commit 0705c6f0 authored by Gerrit Renker's avatar Gerrit Renker Committed by David S. Miller
Browse files

tcp: update also tcp_output with regard to RFC 5681 



Thanks to Ilpo Jarvinen, this updates also the initial window
setting for tcp_output with regard to RFC 5681.

Signed-off-by: default avatarGerrit Renker <gerrit@erg.abdn.ac.uk>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent fa50d645

net/ipv4/tcp_output.c

+3 −9
Original line number Diff line number Diff line
@@ -224,16 +224,10 @@ void tcp_select_initial_window(int __space, __u32 mss, 
		}

	}



	/* Set initial window to value enough for senders,

	 * following RFC2414. Senders, not following this RFC,

	 * will be satisfied with 2.

	 */

	/* Set initial window to value enough for senders, following RFC5681. */

	if (mss > (1 << *rcv_wscale)) {

		int init_cwnd = 4;

		if (mss > 1460 * 3)

			init_cwnd = 2;

		else if (mss > 1460)

			init_cwnd = 3;

		int init_cwnd = rfc3390_bytes_to_packets(mss);



		/* when initializing use the value from init_rcv_wnd

		 * rather than the default from above

		 */