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>

1 files changed, 2 insertions, 10 deletions

diff --git a/drivers/net/ixgb/ixgb_main.c b/drivers/net/ixgb/ixgb_main.c
index f9f633c134bd..1bd0ca1b0465 100644
--- a/drivers/net/ixgb/ixgb_main.c
+++ b/drivers/net/ixgb/ixgb_main.c
@@ -1972,9 +1972,8 @@ ixgb_clean_rx_irq(struct ixgb_adapter *adapter, int *work_done, int work_to_do)
                  * of reassembly being done in the stack */
                 if (length < copybreak) {
                         struct sk_buff *new_skb =
-                            netdev_alloc_skb(netdev, length + NET_IP_ALIGN);
+                            netdev_alloc_skb_ip_align(netdev, length);
                         if (new_skb) {
-                                skb_reserve(new_skb, NET_IP_ALIGN);
                                 skb_copy_to_linear_data_offset(new_skb,
                                                                -NET_IP_ALIGN,
                                                                (skb->data -
@@ -2057,20 +2056,13 @@ ixgb_alloc_rx_buffers(struct ixgb_adapter *adapter, int cleaned_count)
                         goto map_skb;
                 }
 
-                skb = netdev_alloc_skb(netdev, adapter->rx_buffer_len
-                                       + NET_IP_ALIGN);
+                skb = netdev_alloc_skb_ip_align(netdev, adapter->rx_buffer_len);
                 if (unlikely(!skb)) {
                         /* Better luck next round */
                         adapter->alloc_rx_buff_failed++;
                         break;
                 }
 
-                /* 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);
-
                 buffer_info->skb = skb;
                 buffer_info->length = adapter->rx_buffer_len;
 map_skb: