Commit 76b15923 authored Dec 20, 2016 by Kalesh A P Committed by David S. Miller Dec 21, 2016

be2net: Increase skb headroom size to 256 bytes



The driver currently allocates 128 bytes of skb headroom.
This was found to be insufficient with some configurations
like Geneve tunnels, which resulted in skb head reallocations.

Increase the headroom to 256 bytes to fix this.

Signed-off-by: Kalesh A P <kalesh-anakkur.purayil@broadcom.com>
Signed-off-by: Suresh Reddy <suresh.reddy@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent ba6d973f

drivers/net/ethernet/emulex/benet/be.h

+1 −1

Original line number	Diff line number	Diff line
		@@ -65,7 +65,7 @@
		/* Number of bytes of an RX frame that are copied to skb->data */
		#define BE_HDR_LEN ((u16) 64)
		/* allocate extra space to allow tunneling decapsulation without head reallocation */
		#define BE_RX_SKB_ALLOC_SIZE (BE_HDR_LEN + 64)
		#define BE_RX_SKB_ALLOC_SIZE 256

		#define BE_MAX_JUMBO_FRAME_SIZE 9018
		#define BE_MIN_MTU 256