i40e: reapply LAA after reset

The LAA is lost on a reset, so be sure to replay it when rebuilding
the switch after any reset.

Change-ID: I6e643f9a59dfd899b6cbdf84d93b4bc9c37bb949
Signed-off-by: Shannon Nelson <shannon.nelson@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

2 files changed, 10 insertions, 2 deletions

diff --git a/drivers/net/ethernet/intel/i40e/i40e.h b/drivers/net/ethernet/intel/i40e/i40e.h
index 07811dd6eb89..2ec6e8a11ee1 100644
--- a/drivers/net/ethernet/intel/i40e/i40e.h
+++ b/drivers/net/ethernet/intel/i40e/i40e.h
@@ -362,6 +362,7 @@ struct i40e_mac_filter {
         bool is_vf;             /* filter belongs to a VF */
         bool is_netdev;         /* filter belongs to a netdev */
         bool changed;           /* filter needs to be sync'd to the HW */
+        bool is_laa;            /* filter is a Locally Administered Address */
 };
 
 struct i40e_veb {
diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c
index 81cbea72722e..9276ca3f43f2 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_main.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
@@ -1344,8 +1344,8 @@ static int i40e_set_mac(struct net_device *netdev, void *p)
                 }
         }
 
-        if (!i40e_find_mac(vsi, addr->sa_data, false, true)) {
-
+        f = i40e_find_mac(vsi, addr->sa_data, false, true);
+        if (!f) {
                 /* In order to be sure to not drop any packets, add the
                  * new address first then delete the old one.
                  */
@@ -1360,6 +1360,7 @@ static int i40e_set_mac(struct net_device *netdev, void *p)
                 i40e_sync_vsi_filters(vsi);
         }
 
+        f->is_laa = true;
         if (!ether_addr_equal(netdev->dev_addr, addr->sa_data))
                 ether_addr_copy(netdev->dev_addr, addr->sa_data);
 
@@ -7378,6 +7379,12 @@ static int i40e_add_vsi(struct i40e_vsi *vsi)
         list_for_each_entry_safe(f, ftmp, &vsi->mac_filter_list, list) {
                 f->changed = true;
                 f_count++;
+
+                if (f->is_laa && vsi->type == I40E_VSI_MAIN) {
+                        i40e_aq_mac_address_write(&vsi->back->hw,
+                                                  I40E_AQC_WRITE_TYPE_LAA_WOL,
+                                                  f->macaddr, NULL);
+                }
         }
         if (f_count) {
                 vsi->flags |= I40E_VSI_FLAG_FILTER_CHANGED;