diff options
| author | Alexander Duyck <alexander.h.duyck@intel.com> | 2011-08-26 07:46:03 +0000 |
|---|---|---|
| committer | Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2011-10-07 22:49:19 -0700 |
| commit | 3ceb90fd4898853cdac43084f0c6ee7270cb15f3 (patch) | |
| tree | 97526ddf3e00da217061063a30fba616e982d4b5 /drivers/net/ethernet/intel/igb/igb_ethtool.c | |
| parent | 294e7d78f5b929536b81620ed33c6507f2921463 (diff) | |
| download | linux-rt-3ceb90fd4898853cdac43084f0c6ee7270cb15f3.tar.gz | |
igb: leave staterr in place and instead us a helper function to check bits
Instead of doing a byte swap on the staterr bits in the Rx descriptor we can
save ourselves a bit of space and some CPU time by instead just testing for
the various bits out of the Rx descriptor directly.
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_ethtool.c')
| -rw-r--r-- | drivers/net/ethernet/intel/igb/igb_ethtool.c | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/drivers/net/ethernet/intel/igb/igb_ethtool.c b/drivers/net/ethernet/intel/igb/igb_ethtool.c index 5ebe992010d6..bc198ea2bc14 100644 --- a/drivers/net/ethernet/intel/igb/igb_ethtool.c +++ b/drivers/net/ethernet/intel/igb/igb_ethtool.c @@ -1581,16 +1581,14 @@ static int igb_clean_test_rings(struct igb_ring *rx_ring, union e1000_adv_rx_desc *rx_desc; struct igb_rx_buffer *rx_buffer_info; struct igb_tx_buffer *tx_buffer_info; - u32 staterr; u16 rx_ntc, tx_ntc, count = 0; /* initialize next to clean and descriptor values */ rx_ntc = rx_ring->next_to_clean; tx_ntc = tx_ring->next_to_clean; rx_desc = IGB_RX_DESC(rx_ring, rx_ntc); - staterr = le32_to_cpu(rx_desc->wb.upper.status_error); - while (staterr & E1000_RXD_STAT_DD) { + while (igb_test_staterr(rx_desc, E1000_RXD_STAT_DD)) { /* check rx buffer */ rx_buffer_info = &rx_ring->rx_buffer_info[rx_ntc]; @@ -1619,7 +1617,6 @@ static int igb_clean_test_rings(struct igb_ring *rx_ring, /* fetch next descriptor */ rx_desc = IGB_RX_DESC(rx_ring, rx_ntc); - staterr = le32_to_cpu(rx_desc->wb.upper.status_error); } /* re-map buffers to ring, store next to clean values */ |