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[TCP]: Make snd_cwnd_cnt 32-bit 

Very little point of having 32-bit snd_cnwd if this is not
32-bit as well, as a number of snd_cwnd incrementation formulas
assume that snd_cwnd_cnt can be at least as large as snd_cwnd.

Whether 32-bit is useful was discussed when e0ef57cc56
was made:
  http://marc.info/?l=linux-netdev&m=117218144409825&w=2

Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Signed-off-by: David S. Miller <davem@davemloft.net>
hifive-unleashed-5.1
Ilpo Järvinen 2007-10-15 12:59:43 -07:00 committed by David S. Miller
parent d603d0ab86
commit f78a1b3892
1 changed files with 1 additions and 1 deletions
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include/linux/tcp.h
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@ -315,7 +315,7 @@ struct tcp_sock {
*/
u32 snd_ssthresh; /* Slow start size threshold */
u32 snd_cwnd; /* Sending congestion window */
u16 snd_cwnd_cnt; /* Linear increase counter */
u32 snd_cwnd_cnt; /* Linear increase counter */
u32 snd_cwnd_clamp; /* Do not allow snd_cwnd to grow above this */
u32 snd_cwnd_used;
u32 snd_cwnd_stamp;