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[TCP]: Fix init_cwnd calculations in tcp_select_initial_window()

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Match it up to what RFC2414 really specifies.
Noticed by Rick Jones.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2005-09-28 16:31:48 -07:00
parent 64233bffbb
commit 6b251858d3
1 changed files with 6 additions and 5 deletions
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11
net/ipv4/tcp_output.c
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@ -190,15 +190,16 @@ void tcp_select_initial_window(int __space, __u32 mss,
}
/* Set initial window to value enough for senders,
* following RFC1414. Senders, not following this RFC,
* following RFC2414. Senders, not following this RFC,
* will be satisfied with 2.
*/
if (mss > (1<<*rcv_wscale)) {
int init_cwnd = 4;
if (mss > 1460*3)
int init_cwnd;
if (mss > 1460)
init_cwnd = 2;
else if (mss > 1460)
init_cwnd = 3;
else
init_cwnd = (mss > 1095) ? 3 : 4;
if (*rcv_wnd > init_cwnd*mss)
*rcv_wnd = init_cwnd*mss;
}