From 7ac5459ec0f074022818af35c589b9e2b406d7c3 Mon Sep 17 00:00:00 2001 From: "David S. Miller" Date: Wed, 18 Jan 2006 14:19:10 -0800 Subject: [PATCH] [PKTGEN]: Respect hard_header_len of device. Don't assume 16. Found by Ben Greear. Signed-off-by: David S. Miller --- net/core/pktgen.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/net/core/pktgen.c b/net/core/pktgen.c index 3827f881f429..da16f8fd1494 100644 --- a/net/core/pktgen.c +++ b/net/core/pktgen.c @@ -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); -- 2.20.1