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ixgbe: Clear stale pool mappings

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This patch makes certain that we clear the pool mappings added when we
configure default MAC addresses for the interface.  Without this we run the
risk of leaking an address into pool 0 which really belongs to VF 0 when
SR-IOV is enabled.

Signed-off-by: Alexander Duyck <aduyck@mirantis.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This commit is contained in:
Alexander Duyck 2015-11-02 17:10:26 -08:00 committed by Jeff Kirsher
parent e1d0a2af2b
commit 6e982aeae5
3 changed files with 18 additions and 9 deletions
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10
drivers/net/ethernet/intel/ixgbe/ixgbe_82599.c
View File

@ -1083,12 +1083,16 @@ static s32 ixgbe_reset_hw_82599(struct ixgbe_hw *hw)
/* Add the SAN MAC address to the RAR only if it's a valid address */
if (is_valid_ether_addr(hw->mac.san_addr)) {
hw->mac.ops.set_rar(hw, hw->mac.num_rar_entries - 1,
hw->mac.san_addr, 0, IXGBE_RAH_AV);
/* Save the SAN MAC RAR index */
hw->mac.san_mac_rar_index = hw->mac.num_rar_entries - 1;
hw->mac.ops.set_rar(hw, hw->mac.san_mac_rar_index,
hw->mac.san_addr, 0, IXGBE_RAH_AV);
/* clear VMDq pool/queue selection for this RAR */
hw->mac.ops.clear_vmdq(hw, hw->mac.san_mac_rar_index,
IXGBE_CLEAR_VMDQ_ALL);
/* Reserve the last RAR for the SAN MAC address */
hw->mac.num_rar_entries--;
}

7
drivers/net/ethernet/intel/ixgbe/ixgbe_common.c
View File

@ -1884,10 +1884,11 @@ s32 ixgbe_init_rx_addrs_generic(struct ixgbe_hw *hw)
hw_dbg(hw, " New MAC Addr =%pM\n", hw->mac.addr);
hw->mac.ops.set_rar(hw, 0, hw->mac.addr, 0, IXGBE_RAH_AV);
/* clear VMDq pool/queue selection for RAR 0 */
hw->mac.ops.clear_vmdq(hw, 0, IXGBE_CLEAR_VMDQ_ALL);
}
/* clear VMDq pool/queue selection for RAR 0 */
hw->mac.ops.clear_vmdq(hw, 0, IXGBE_CLEAR_VMDQ_ALL);
hw->addr_ctrl.overflow_promisc = 0;
hw->addr_ctrl.rar_used_count = 1;

10
drivers/net/ethernet/intel/ixgbe/ixgbe_x540.c
View File

@ -154,12 +154,16 @@ s32 ixgbe_reset_hw_X540(struct ixgbe_hw *hw)
/* Add the SAN MAC address to the RAR only if it's a valid address */
if (is_valid_ether_addr(hw->mac.san_addr)) {
hw->mac.ops.set_rar(hw, hw->mac.num_rar_entries - 1,
hw->mac.san_addr, 0, IXGBE_RAH_AV);
/* Save the SAN MAC RAR index */
hw->mac.san_mac_rar_index = hw->mac.num_rar_entries - 1;
hw->mac.ops.set_rar(hw, hw->mac.san_mac_rar_index,
hw->mac.san_addr, 0, IXGBE_RAH_AV);
/* clear VMDq pool/queue selection for this RAR */
hw->mac.ops.clear_vmdq(hw, hw->mac.san_mac_rar_index,
IXGBE_CLEAR_VMDQ_ALL);
/* Reserve the last RAR for the SAN MAC address */
hw->mac.num_rar_entries--;
}