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i40e: set pf_id based on device and function numbers 

pf_id needs to be encoded for cards with ARI enabled, which
allows for larger function numbers than 8.

Commit-Id: I23fa7df9dabf3878cc08c9b2151729c8539f5f17
Signed-off-by: Christopher Pau <christopher.pau@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This commit is contained in:
Christopher Pau 2013-11-16 10:00:33 +00:00 committed by Jeff Kirsher
parent d70f2cf520
commit 71bd4b8ec0
1 changed files with 5 additions and 1 deletions
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6
drivers/net/ethernet/intel/i40e/i40e_common.c
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@ -297,7 +297,11 @@ i40e_status i40e_pf_reset(struct i40e_hw *hw)
}
/* Determine the PF number based on the PCI fn */
hw->pf_id = (u8)hw->bus.func;
reg = rd32(hw, I40E_GLPCI_CAPSUP);
if (reg & I40E_GLPCI_CAPSUP_ARI_EN_MASK)
hw->pf_id = (u8)((hw->bus.device << 3) | hw->bus.func);
else
hw->pf_id = (u8)hw->bus.func;
/* If there was a Global Reset in progress when we got here,
* we don't need to do the PF Reset