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ixgbe: turn off MDD while modifying SRRCTL

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Modifying SRRCTL register can generate MDD event.

Turn MDD off during SRRCTL register write to prevent generating MDD.

Fix RCT in ixgbe_set_rx_drop_en().

Reviewed-by: Marcin Szycik <marcin.szycik@linux.intel.com>
Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Signed-off-by: Radoslaw Tyl <radoslawx.tyl@intel.com>
Signed-off-by: Michal Swiatkowski <michal.swiatkowski@linux.intel.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Tested-by: Rafal Romanowski <rafal.romanowski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
This commit is contained in:
Radoslaw Tyl
2025-02-17 10:06:36 +01:00
committed by Tony Nguyen
parent b11aa9614d
commit 1a3ebc59f7
1 changed files with 8 additions and 1 deletions
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9
drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
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@@ -4104,8 +4104,12 @@ void ixgbe_set_rx_drop_en(struct ixgbe_adapter *adapter)
static void ixgbe_set_rx_drop_en(struct ixgbe_adapter *adapter)
#endif
{
int i;
bool pfc_en = adapter->dcb_cfg.pfc_mode_enable;
struct ixgbe_hw *hw = &adapter->hw;
int i;
if (hw->mac.ops.disable_mdd)
hw->mac.ops.disable_mdd(hw);
if (adapter->ixgbe_ieee_pfc)
pfc_en |= !!(adapter->ixgbe_ieee_pfc->pfc_en);
@@ -4127,6 +4131,9 @@ static void ixgbe_set_rx_drop_en(struct ixgbe_adapter *adapter)
for (i = 0; i < adapter->num_rx_queues; i++)
ixgbe_disable_rx_drop(adapter, adapter->rx_ring[i]);
}
if (hw->mac.ops.enable_mdd)
hw->mac.ops.enable_mdd(hw);
}
#define IXGBE_SRRCTL_BSIZEHDRSIZE_SHIFT 2