diff options
Diffstat (limited to 'drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c')
-rw-r--r-- | drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c | 31 |
1 files changed, 17 insertions, 14 deletions
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c index 80e47dbc530b..4bc249632ec2 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c @@ -589,40 +589,40 @@ static void ixgbe_clear_vmvir(struct ixgbe_adapter *adapter, u32 vf) static void ixgbe_clear_vf_vlans(struct ixgbe_adapter *adapter, u32 vf) { struct ixgbe_hw *hw = &adapter->hw; - u32 i; + u32 vlvfb_mask, pool_mask, i; + + /* create mask for VF and other pools */ + pool_mask = ~(1 << (VMDQ_P(0) % 32)); + vlvfb_mask = 1 << (vf % 32); /* post increment loop, covers VLVF_ENTRIES - 1 to 0 */ for (i = IXGBE_VLVF_ENTRIES; i--;) { u32 bits[2], vlvfb, vid, vfta, vlvf; u32 word = i * 2 + vf / 32; - u32 mask = 1 << (vf % 32); + u32 mask; vlvfb = IXGBE_READ_REG(hw, IXGBE_VLVFB(word)); /* if our bit isn't set we can skip it */ - if (!(vlvfb & mask)) + if (!(vlvfb & vlvfb_mask)) continue; /* clear our bit from vlvfb */ - vlvfb ^= mask; + vlvfb ^= vlvfb_mask; /* create 64b mask to chedk to see if we should clear VLVF */ bits[word % 2] = vlvfb; bits[~word % 2] = IXGBE_READ_REG(hw, IXGBE_VLVFB(word ^ 1)); - /* if promisc is enabled, PF will be present, leave VFTA */ - if (adapter->flags2 & IXGBE_FLAG2_VLAN_PROMISC) { - bits[VMDQ_P(0) / 32] &= ~(1 << (VMDQ_P(0) % 32)); - - if (bits[0] || bits[1]) - goto update_vlvfb; - goto update_vlvf; - } - /* if other pools are present, just remove ourselves */ - if (bits[0] || bits[1]) + if (bits[(VMDQ_P(0) / 32) ^ 1] || + (bits[VMDQ_P(0) / 32] & pool_mask)) goto update_vlvfb; + /* if PF is present, leave VFTA */ + if (bits[0] || bits[1]) + goto update_vlvf; + /* if we cannot determine VLAN just remove ourselves */ vlvf = IXGBE_READ_REG(hw, IXGBE_VLVF(i)); if (!vlvf) @@ -638,6 +638,9 @@ static void ixgbe_clear_vf_vlans(struct ixgbe_adapter *adapter, u32 vf) update_vlvf: /* clear POOL selection enable */ IXGBE_WRITE_REG(hw, IXGBE_VLVF(i), 0); + + if (!(adapter->flags2 & IXGBE_FLAG2_VLAN_PROMISC)) + vlvfb = 0; update_vlvfb: /* clear pool bits */ IXGBE_WRITE_REG(hw, IXGBE_VLVFB(word), vlvfb); |