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>

diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c
index 1345f34..617dd90 100644 (file)
--- a/drivers/net/hyperv/netvsc_drv.c
+++ b/drivers/net/hyperv/netvsc_drv.c
@@ -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();