[PKTGEN]: Respect hard_header_len of device.

Don't assume 16.

Found by Ben Greear.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2006-01-18 14:19:10 -08:00
parent e048a374d0
commit 7ac5459ec0

View file

@ -1860,13 +1860,14 @@ static struct sk_buff *fill_packet_ipv4(struct net_device *odev,
*/
mod_cur_headers(pkt_dev);
skb = alloc_skb(pkt_dev->cur_pkt_size + 64 + 16, GFP_ATOMIC);
datalen = (odev->hard_header_len + 16) & ~0xf;
skb = alloc_skb(pkt_dev->cur_pkt_size + 64 + datalen, GFP_ATOMIC);
if (!skb) {
sprintf(pkt_dev->result, "No memory");
return NULL;
}
skb_reserve(skb, 16);
skb_reserve(skb, datalen);
/* Reserve for ethernet and IP header */
eth = (__u8 *) skb_push(skb, 14);