Current implementation mess up the tail pointer. This patch sets skb->tail
correctly.
Also, the small packet check and padding is optimized by using unlikely and
calling skb_pad directly.
Signed-off-by: Tushar Dave <tushar.n.dave@intel.com>
Tested-by: Jeff Pieper <jeffrey.e.pieper@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
* The minimum packet size with TCTL.PSP set is 17 so pad the skb
* in order to meet this minimum size requirement.
*/
- if (skb->len < 17) {
- if (skb_padto(skb, 17))
+ if (unlikely(skb->len < 17)) {
+ if (skb_pad(skb, 17 - skb->len))
return NETDEV_TX_OK;
skb->len = 17;
+ skb_set_tail_pointer(skb, 17);
}
return igb_xmit_frame_ring(skb, igb_tx_queue_mapping(adapter, skb));