Commit 879c7220 authored by Bogdan Hamciuc's avatar Bogdan Hamciuc Committed by David S. Miller
Browse files

net: pktgen: Observe needed_headroom of the device

Allocate enough space so as not to force the outgoing net device to do

Signed-off-by: default avatarBogdan Hamciuc <>
Signed-off-by: default avatarDavid S. Miller <>
parent 92a99bf3
......@@ -2279,7 +2279,7 @@ static void spin(struct pktgen_dev *pkt_dev, ktime_t spin_until)
static inline void set_pkt_overhead(struct pktgen_dev *pkt_dev)
pkt_dev->pkt_overhead = 0;
pkt_dev->pkt_overhead = LL_RESERVED_SPACE(pkt_dev->odev);
pkt_dev->pkt_overhead += pkt_dev->nr_labels*sizeof(u32);
pkt_dev->pkt_overhead += VLAN_TAG_SIZE(pkt_dev);
pkt_dev->pkt_overhead += SVLAN_TAG_SIZE(pkt_dev);
......@@ -2788,6 +2788,7 @@ static struct sk_buff *pktgen_alloc_skb(struct net_device *dev,
} else {
skb = __netdev_alloc_skb(dev, size, GFP_NOWAIT);
skb_reserve(skb, LL_RESERVED_SPACE(dev));
return skb;
Supports Markdown
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment