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[TCP]: Congestion control API update.

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Do some simple changes to make congestion control API faster/cleaner.
* use ktime_t rather than timeval
* merge rtt sampling into existing ack callback
  this means one indirect call versus two per ack.
* use flags bits to store options/settings

Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Stephen Hemminger 2007-04-23 22:26:16 -07:00 • committed by David S. Miller
parent 65d1b4a7e7
commit 164891aadf
15 changed files with 65 additions and 55 deletions
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5
include/linux/skbuff.h
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@ -1569,6 +1569,11 @@ static inline void __net_timestamp(struct sk_buff *skb)
skb->tstamp = ktime_get_real();
}
static inline ktime_t net_timedelta(ktime_t t)
{
return ktime_sub(ktime_get_real(), t);
}
extern __sum16 __skb_checksum_complete_head(struct sk_buff *skb, int len);
extern __sum16 __skb_checksum_complete(struct sk_buff *skb);