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[SK_BUFF]: Introduce skb_set_mac_header()

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For the cases where we want to set skb->mac.raw to an offset from skb->data.

Simple cases first, the memmove ones and specially pktgen will be left for later.

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Arnaldo Carvalho de Melo 2007-03-10 12:30:58 -03:00 • committed by David S. Miller
parent f64955eb11
commit 48d49d0ccd
6 changed files with 11 additions and 6 deletions
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2
drivers/net/loopback.c
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@ -90,7 +90,7 @@ static void emulate_large_send_offload(struct sk_buff *skb)
if (!nskb)
break;
skb_reserve(nskb, 32);
nskb->mac.raw = nskb->data - 14;
skb_set_mac_header(nskb, -ETH_HLEN);
nskb->nh.raw = nskb->data;
iph = nskb->nh.iph;
memcpy(nskb->data, skb->nh.raw, doffset);