Re: net-next-2.6 [PATCH 1/1] tcp: add missing initial window (RFC 3390) for tcp_output
From: Alexander Zimmermann <hidden>
Date: 2010-09-01 07:06:07
Hi Gerrit, Am 01.09.2010 um 07:34 schrieb Gerrit Renker:
quoted hunk ↗ jump to hunk
Please can you have a look, I have checked it, appears to be correct and compiles cleanly. Thanks again to Ilpo.quoted
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Patch <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<tcp: update also tcp_output with regard to RFC 5681 Thanks to Ilpo Jarvinen, his updates also the initial window setting for tcp_output with regard to RFC 5681. Signed-off-by: Gerrit Renker <redacted> --- net/ipv4/tcp_output.c | 10 +++------- 1 file changed, 3 insertions(+), 7 deletions(-)--- a/net/ipv4/tcp_output.c +++ b/net/ipv4/tcp_output.c@@ -225,15 +225,11 @@ void tcp_select_initial_window(int __spa} /* Set initial window to value enough for senders, - * following RFC2414. Senders, not following this RFC, - * will be satisfied with 2. + * following RFC5681 (which updates RFC3390).
In IETF sense, RFC5681 doesn't update RFC3390. Alex
*/
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
*/
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