net: pktgen: Observe needed_headroom of the device
Allocate enough space so as not to force the outgoing net device to do skb_realloc_headroom(). Signed-off-by: Bogdan Hamciuc <bogdan.hamciuc@freescale.com> Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
parent
92a99bf3ba
commit
879c7220e8
|
@ -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;
|
||||
}
|
||||
|
|
Loading…
Reference in a new issue