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netvsc: replace netdev_alloc_skb_ip_align with napi_alloc_skb 

Gives potential performance gain.

Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
stephen hemminger 2017-02-27 10:26:51 -08:00 committed by David S. Miller
parent 742fe54c7b
commit e91e7dd71d
1 changed files with 4 additions and 2 deletions
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6
drivers/net/hyperv/netvsc_drv.c
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@ -589,13 +589,14 @@ void netvsc_linkstatus_callback(struct hv_device *device_obj,
}
static struct sk_buff *netvsc_alloc_recv_skb(struct net_device *net,
struct napi_struct *napi,
const struct ndis_tcp_ip_checksum_info *csum_info,
const struct ndis_pkt_8021q_info *vlan,
void *data, u32 buflen)
{
struct sk_buff *skb;
skb = netdev_alloc_skb_ip_align(net, buflen);
skb = napi_alloc_skb(napi, buflen);
if (!skb)
return skb;
@ -664,7 +665,8 @@ int netvsc_recv_callback(struct net_device *net,
net = vf_netdev;
/* Allocate a skb - TODO direct I/O to pages? */
skb = netvsc_alloc_recv_skb(net, csum_info, vlan, data, len);
skb = netvsc_alloc_recv_skb(net, &nvchan->napi,
csum_info, vlan, data, len);
if (unlikely(!skb)) {
++net->stats.rx_dropped;
rcu_read_unlock();