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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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8
net/packet/af_packet.c
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@ -635,12 +635,12 @@ static int tpacket_rcv(struct sk_buff *skb, struct net_device *dev, struct packe
h->tp_snaplen = snaplen;
h->tp_mac = macoff;
h->tp_net = netoff;
if (skb->stamp.tv_sec == 0) {
do_gettimeofday(&skb->stamp);
if (skb->tstamp.off_sec == 0) {
__net_timestamp(skb);
sock_enable_timestamp(sk);
}
h->tp_sec = skb->stamp.tv_sec;
h->tp_usec = skb->stamp.tv_usec;
h->tp_sec = skb_tv_base.tv_sec + skb->tstamp.off_sec;
h->tp_usec = skb_tv_base.tv_usec + skb->tstamp.off_usec;
sll = (struct sockaddr_ll*)((u8*)h + TPACKET_ALIGN(sizeof(*h)));
sll->sll_halen = 0;