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[NET]: Store skb->timestamp as offset to a base timestamp

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Reduces skb size by 8 bytes on 64-bit.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Patrick McHardy 2005-08-14 17:24:31 -07:00 • committed by David S. Miller
parent 25ed891019
commit a61bbcf28a
39 changed files with 172 additions and 88 deletions
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10
net/ipv4/tcp_input.c
View file

@ -2097,9 +2097,13 @@ static int tcp_clean_rtx_queue(struct sock *sk, __s32 *seq_rtt_p, s32 *seq_usrtt
seq_rtt = -1;
} else if (seq_rtt < 0)
seq_rtt = now - scb->when;
if (seq_usrtt)
*seq_usrtt = (usnow.tv_sec - skb->stamp.tv_sec) * 1000000
+ (usnow.tv_usec - skb->stamp.tv_usec);
if (seq_usrtt) {
struct timeval tv;
skb_get_timestamp(skb, &tv);
*seq_usrtt = (usnow.tv_sec - tv.tv_sec) * 1000000
+ (usnow.tv_usec - tv.tv_usec);
}
if (sacked & TCPCB_SACKED_ACKED)
tp->sacked_out -= tcp_skb_pcount(skb);