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authorDon Skidmore <donald.c.skidmore@intel.com>2015-09-02 13:47:54 -0700
committerJeff Kirsher <jeffrey.t.kirsher@intel.com>2015-09-15 17:02:53 -0700
commit4ccc650cc845476885f73660b2e6335852f0f75c (patch)
tree3972c9f1f304356ef9eec8c9d671f7ad6591ad68 /drivers/net/ethernet/intel/ixgbe
parentad1e7b97b3adb91d46f3adb70a7867a50fc274cf (diff)
ixgbe: fix issue with SFP events with new X550 devices
Add checks for systems that don't have SFP's to avoid incorrectly acting on interrupts that are falsely interpreted as SFP events. This also includes a modified check generating the EICR mask to be more forward-looking. Signed-off-by: Don Skidmore <donald.c.skidmore@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to 'drivers/net/ethernet/intel/ixgbe')
-rw-r--r--drivers/net/ethernet/intel/ixgbe/ixgbe_main.c15
1 files changed, 12 insertions, 3 deletions
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
index 63b2cfe9416b..b9267e20e269 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
@@ -2495,17 +2495,26 @@ static inline bool ixgbe_is_sfp(struct ixgbe_hw *hw)
static void ixgbe_check_sfp_event(struct ixgbe_adapter *adapter, u32 eicr)
{
struct ixgbe_hw *hw = &adapter->hw;
+ u32 eicr_mask = IXGBE_EICR_GPI_SDP2(hw);
- if (eicr & IXGBE_EICR_GPI_SDP2(hw)) {
+ if (!ixgbe_is_sfp(hw))
+ return;
+
+ /* Later MAC's use different SDP */
+ if (hw->mac.type >= ixgbe_mac_X540)
+ eicr_mask = IXGBE_EICR_GPI_SDP0_X540;
+
+ if (eicr & eicr_mask) {
/* Clear the interrupt */
- IXGBE_WRITE_REG(hw, IXGBE_EICR, IXGBE_EICR_GPI_SDP2(hw));
+ IXGBE_WRITE_REG(hw, IXGBE_EICR, eicr_mask);
if (!test_bit(__IXGBE_DOWN, &adapter->state)) {
adapter->flags2 |= IXGBE_FLAG2_SFP_NEEDS_RESET;
ixgbe_service_event_schedule(adapter);
}
}
- if (eicr & IXGBE_EICR_GPI_SDP1(hw)) {
+ if (adapter->hw.mac.type == ixgbe_mac_82599EB &&
+ (eicr & IXGBE_EICR_GPI_SDP1(hw))) {
/* Clear the interrupt */
IXGBE_WRITE_REG(hw, IXGBE_EICR, IXGBE_EICR_GPI_SDP1(hw));
if (!test_bit(__IXGBE_DOWN, &adapter->state)) {