net: Use netdev_alloc_skb_ip_align()

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c
index eb3abd7..4c8a449 100644
--- a/drivers/net/ixgbe/ixgbe_main.c
+++ b/drivers/net/ixgbe/ixgbe_main.c
@@ -616,22 +616,14 @@
 
 		if (!bi->skb) {
 			struct sk_buff *skb;
-			skb = netdev_alloc_skb(adapter->netdev,
-			                       (rx_ring->rx_buf_len +
-			                        NET_IP_ALIGN));
+			skb = netdev_alloc_skb_ip_align(adapter->netdev,
+							rx_ring->rx_buf_len);
 
 			if (!skb) {
 				adapter->alloc_rx_buff_failed++;
 				goto no_buffers;
 			}
 
-			/*
-			 * Make buffer alignment 2 beyond a 16 byte boundary
-			 * this will result in a 16 byte aligned IP header after
-			 * the 14 byte MAC header is removed
-			 */
-			skb_reserve(skb, NET_IP_ALIGN);
-
 			bi->skb = skb;
 			bi->dma = pci_map_single(pdev, skb->data,
 			                         rx_ring->rx_buf_len,