From: John Heffner <[EMAIL PROTECTED]>
Date: Thu, 22 Feb 2007 16:52:03 -0500
> I think it's not unreasonable to change clamp to 32 bits now, since with
> 1500 byte packets, this corresponds to a max cwnd of ~94MB. This is
> pretty big, but we are currently right at this limit with 10 GigE.
Agreed, and done in tcp-2.6.git as below.
What should we do about that 65535 assignment in hybla?
commit cedfa95566512730202bb4abed5d9118e74bab30
Author: David S. Miller <[EMAIL PROTECTED]>
Date: Thu Feb 22 22:52:59 2007 -0800
[TCP]: Make snd_cwnd_clamp a u32.
Signed-off-by: David S. Miller <[EMAIL PROTECTED]>
diff --git a/include/linux/tcp.h b/include/linux/tcp.h
index 415193e..18a468d 100644
--- a/include/linux/tcp.h
+++ b/include/linux/tcp.h
@@ -302,7 +302,7 @@ struct tcp_sock {
u32 snd_ssthresh; /* Slow start size threshold */
u32 snd_cwnd; /* Sending congestion window */
u16 snd_cwnd_cnt; /* Linear increase counter */
- u16 snd_cwnd_clamp; /* Do not allow snd_cwnd to grow above this */
+ u32 snd_cwnd_clamp; /* Do not allow snd_cwnd to grow above this */
u32 snd_cwnd_used;
u32 snd_cwnd_stamp;
-
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