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igb: reduce Rx header size 

Reduce skb truesize by 256 bytes.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Alexander Duyck <alexander.h.duyck@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This commit is contained in:
Eric Dumazet 2012-08-03 04:46:59 +00:00 committed by Jeff Kirsher
parent 8aa23f0d86
commit 9936a7bbe5
1 changed files with 2 additions and 2 deletions
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4
drivers/net/ethernet/intel/igb/igb.h
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@ -131,9 +131,9 @@ struct vf_data_storage {
#define MAXIMUM_ETHERNET_VLAN_SIZE 1522
/* Supported Rx Buffer Sizes */
#define IGB_RXBUFFER_512 512
#define IGB_RXBUFFER_256 256
#define IGB_RXBUFFER_16384 16384
#define IGB_RX_HDR_LEN IGB_RXBUFFER_512
#define IGB_RX_HDR_LEN IGB_RXBUFFER_256
/* How many Tx Descriptors do we need to call netif_wake_queue ? */
#define IGB_TX_QUEUE_WAKE 16