From: Catherine Sullivan <catherine.sullivan@intel.com>
Date: Wed, 7 Jun 2017 05:43:12 -0400
Subject: i40e: Handle PE_CRITERR properly with IWARP enabled
Patch-mainline: v4.13-rc1
Git-commit: 7642984b08760b8d0ff7f4cfbe524bb53eb4cec2
References: bsc#1056658 FATE#322188 bsc#1056662 FATE#322186
When IWARP is enabled, we weren't clearing the PE_CRITERR, just logging
it and removing it from the mask. We need to do a corer to reset the
PE_CRITERR register, so set the bit for that as we handle the
interrupt.
We should also be checking for the error against the PFINT_ICR0 register,
and only need to clear it in the value getting written to
PFINT_ICR0_ENA.
Signed-off-by: Catherine Sullivan <catherine.sullivan@intel.com>
Signed-off-by: Mitch Williams <mitch.a.williams@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Acked-by: Benjamin Poirier <bpoirier@suse.com>
---
drivers/net/ethernet/intel/i40e/i40e_main.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- a/drivers/net/ethernet/intel/i40e/i40e_main.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
@@ -3684,10 +3684,10 @@ static irqreturn_t i40e_intr(int irq, vo
pf->sw_int_count++;
if ((pf->flags & I40E_FLAG_IWARP_ENABLED) &&
- (ena_mask & I40E_PFINT_ICR0_ENA_PE_CRITERR_MASK)) {
+ (icr0 & I40E_PFINT_ICR0_ENA_PE_CRITERR_MASK)) {
ena_mask &= ~I40E_PFINT_ICR0_ENA_PE_CRITERR_MASK;
- icr0 &= ~I40E_PFINT_ICR0_ENA_PE_CRITERR_MASK;
dev_dbg(&pf->pdev->dev, "cleared PE_CRITERR\n");
+ set_bit(__I40E_CORE_RESET_REQUESTED, pf->state);
}
/* only q0 is used in MSI/Legacy mode, and none are used in MSIX */