From: Anjali Singhai Jain <anjali.sing...@intel.com>
If SRIOV is enabled we need to be in VEB mode not VEPA mode at probe.
This fixes an NPAR bug when SRIOV is enabled in the BIOS.
Change-ID: Ibf006abafd9a0ca3698ec24848cd771cf345cbbc
Signed-off-by: Anjali Singhai Jain <anjali.sing...@intel.com>
Tested-by: Jim Young <james.m.yo...@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirs...@intel.com>
---
drivers/net/ethernet/intel/i40e/i40e_main.c | 20 +++++++++++++++++---
1 file changed, 17 insertions(+), 3 deletions(-)
diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c
b/drivers/net/ethernet/intel/i40e/i40e_main.c
index 853eb2f..5b5bea1 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_main.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
@@ -8756,9 +8756,14 @@ struct i40e_vsi *i40e_vsi_setup(struct i40e_pf *pf, u8
type,
__func__);
return NULL;
}
- /* We come up by default in VEPA mode */
- veb->bridge_mode = BRIDGE_MODE_VEPA;
- pf->flags &= ~I40E_FLAG_VEB_MODE_ENABLED;
+ /* We come up by default in VEPA mode if SRIOV is not
+ * already enabled, in which case we can't force VEPA
+ * mode.
+ */
+ if (!(pf->flags & I40E_FLAG_VEB_MODE_ENABLED)) {
+ veb->bridge_mode = BRIDGE_MODE_VEPA;
+ pf->flags &= ~I40E_FLAG_VEB_MODE_ENABLED;
+ }
i40e_config_bridge_mode(veb);
}
for (i = 0; i < I40E_MAX_VEB && !veb; i++) {
@@ -9869,6 +9874,15 @@ static int i40e_probe(struct pci_dev *pdev, const struct
pci_device_id *ent)
goto err_switch_setup;
}
+#ifdef CONFIG_PCI_IOV
+ /* prep for VF support */
+ if ((pf->flags & I40E_FLAG_SRIOV_ENABLED) &&
+ (pf->flags & I40E_FLAG_MSIX_ENABLED) &&
+ !test_bit(__I40E_BAD_EEPROM, &pf->state)) {
+ if (pci_num_vf(pdev))
+ pf->flags |= I40E_FLAG_VEB_MODE_ENABLED;
+ }
+#endif
err = i40e_setup_pf_switch(pf, false);
if (err) {
dev_info(&pdev->dev, "setup_pf_switch failed: %d\n", err);
--
2.1.0
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