[NET]: Store skb->timestamp as offset to a base timestamp
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>
diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c
index 7ae72d4..a7eae30 100644
--- a/net/ipv6/ndisc.c
+++ b/net/ipv6/ndisc.c
@@ -812,7 +812,7 @@
if (ipv6_chk_acast_addr(dev, &msg->target) ||
(idev->cnf.forwarding &&
pneigh_lookup(&nd_tbl, &msg->target, dev, 0))) {
- if (skb->stamp.tv_sec != LOCALLY_ENQUEUED &&
+ if (!(NEIGH_CB(skb)->flags & LOCALLY_ENQUEUED) &&
skb->pkt_type != PACKET_HOST &&
inc != 0 &&
idev->nd_parms->proxy_delay != 0) {
@@ -1487,6 +1487,8 @@
return 0;
}
+ memset(NEIGH_CB(skb), 0, sizeof(struct neighbour_cb));
+
switch (msg->icmph.icmp6_type) {
case NDISC_NEIGHBOUR_SOLICITATION:
ndisc_recv_ns(skb);