ixgbe: Clear stale pool mappings

Orabug: 23177316

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>
(cherry picked from commit 6e982aeae5779a67fc02c5f6873654c49af97e70)
Signed-off-by: Brian Maly <brian.maly@oracle.com>

diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_82599.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_82599.c
index b8bd72589f729452a64ec739f50f6a7c5c2952d9..fa8d4f40ac2af1835605ff5fc3748ccd89311b19 100644 (file)
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_82599.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_82599.c
@@ -1083,12 +1083,16 @@ mac_reset_top:
 
        /* 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--;
        }

diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c
index 73dcc0aec6dc3fe4cd8efceabbdd27b8892e59c7..64045053e874b8a7b1eb27333ef8a2bd4835700c 100644 (file)
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c
@@ -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;

diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_x540.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_x540.c
index bf8225ceab8e4ff74ef102bf10379bc088807b2e..2358c1b7d5864d36335340658d94c7228574c141 100644 (file)
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_x540.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_x540.c
@@ -154,12 +154,16 @@ mac_reset_top:
 
        /* 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--;
        }