ixgbe: allow RAR table to be updated in promisc mode

This allows RAR table updates while in promiscuous. With
SR-IOV enabled it is valuable to allow the RAR table to
be updated even when in promisc mode to configure forwarding
Signed-off-by: NJohn Fastabend <john.r.fastabend@intel.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/ethernet/intel/ixgbe/ixgbe_main.c

@@ -3462,6 +3462,8 @@ void ixgbe_set_rx_mode(struct net_device *netdev)
 		}
 		ixgbe_vlan_filter_enable(adapter);
 		hw->addr_ctrl.user_set_promisc = false;
+	}
+
 	/*
 	 * Write addresses to available RAR registers, if there is not
 	 * sufficient space to store all the addresses then enable
@@ -3472,7 +3474,6 @@ void ixgbe_set_rx_mode(struct net_device *netdev)
 		fctrl |= IXGBE_FCTRL_UPE;
 		vmolr |= IXGBE_VMOLR_ROPE;
 	}
-	}
 
 	if (adapter->num_vfs) {
 		ixgbe_restore_vf_multicasts(adapter);