diff options
| author |   Atita Shirwaikar <atita.shirwaikar@intel.com> | 2012-02-18 02:58:58 +0000 |
|---|---|---|
| committer |   Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2012-03-14 00:47:42 -0700 |
| commit | d2f5e7f3af777d52ce110ae60e8cb788bc93141c (patch) | |
| tree | ba26f920fcd8a77aa3a206e957aa9198e0fc3d66 /drivers/net/ethernet/intel/ixgbe/ixgbe_common.h | |
| parent | ixgbe: use typed min/max functions where possible (diff) | |
| download | linux-dev-d2f5e7f3af777d52ce110ae60e8cb788bc93141c.tar.xz linux-dev-d2f5e7f3af777d52ce110ae60e8cb788bc93141c.zip | |
ixgbe: Fix race condition where RX buffer could become corrupted.
There was a race condition in the reset path where the RX buffer
could become corrupted during Fdir configuration.This is due to
a HW bug.The fix right now is to lock the buffer while we do the
fdir configuration.Since we were using similar workaround for another bug,
I moved the existing code to a function and reused it.HW team also recommended
that IXGBE_MAX_SECRX_POLL value be changed from 30 to 40.The erratum for this
bug will be published in the next release 82599 Spec Update
Signed-off-by: Atita Shirwaikar <atita.shirwaikar@intel.com>
Acked-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Tested-by: Stephen Ko <stephen.s.ko@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to 'drivers/net/ethernet/intel/ixgbe/ixgbe_common.h')
| -rw-r--r-- | drivers/net/ethernet/intel/ixgbe/ixgbe_common.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_common.h b/drivers/net/ethernet/intel/ixgbe/ixgbe_common.h index 2c834c46bba1..204f06235b45 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_common.h +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_common.h @@ -74,6 +74,8 @@ s32 ixgbe_update_mc_addr_list_generic(struct ixgbe_hw *hw, struct net_device *netdev); s32 ixgbe_enable_mc_generic(struct ixgbe_hw *hw); s32 ixgbe_disable_mc_generic(struct ixgbe_hw *hw); +s32 ixgbe_disable_rx_buff_generic(struct ixgbe_hw *hw); +s32 ixgbe_enable_rx_buff_generic(struct ixgbe_hw *hw); s32 ixgbe_enable_rx_dma_generic(struct ixgbe_hw *hw, u32 regval); s32 ixgbe_fc_enable_generic(struct ixgbe_hw *hw, s32 packetbuf_num); s32 ixgbe_fc_autoneg(struct ixgbe_hw *hw); |