diff options
| author |   Alexander Duyck <alexander.h.duyck@intel.com> | 2011-08-26 07:43:27 +0000 |
|---|---|---|
| committer |   Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2011-09-19 23:56:33 -0700 |
| commit | a74420e0f3bdb4bfd8b59a4e67442d642f22e5b9 (patch) | |
| tree | 3693e584cfbd2095a498af6c17d9ebc7412ab22e /drivers/net/ethernet/intel/igb/igb.h | |
| parent | tcp: md5: remove one indirection level in tcp_md5sig_pool (diff) | |
| download | linux-dev-a74420e0f3bdb4bfd8b59a4e67442d642f22e5b9.tar.xz linux-dev-a74420e0f3bdb4bfd8b59a4e67442d642f22e5b9.zip | |
igb: Update RXDCTL/TXDCTL configurations
This change cleans up the RXDCTL and TXDCTL configurations and optimizes RX
performance by allowing back write-backs on all hardware other than 82576.
Signed-off-by: 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>
Diffstat (limited to 'drivers/net/ethernet/intel/igb/igb.h')
| -rw-r--r-- | drivers/net/ethernet/intel/igb/igb.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/net/ethernet/intel/igb/igb.h b/drivers/net/ethernet/intel/igb/igb.h index 265e151b66c4..577fd3e797e5 100644 --- a/drivers/net/ethernet/intel/igb/igb.h +++ b/drivers/net/ethernet/intel/igb/igb.h @@ -100,11 +100,12 @@ struct vf_data_storage { */ #define IGB_RX_PTHRESH 8 #define IGB_RX_HTHRESH 8 -#define IGB_RX_WTHRESH 1 #define IGB_TX_PTHRESH 8 #define IGB_TX_HTHRESH 1 +#define IGB_RX_WTHRESH ((hw->mac.type == e1000_82576 && \ + adapter->msix_entries) ? 1 : 4) #define IGB_TX_WTHRESH ((hw->mac.type == e1000_82576 && \ - adapter->msix_entries) ? 1 : 16) + adapter->msix_entries) ? 1 : 16) /* this is the size past which hardware will drop packets when setting LPE=0 */ #define MAXIMUM_ETHERNET_VLAN_SIZE 1522 |