[PATCH net-next v4 1/4] net: ti: icssg-prueth: Add VLAN support in EMAC mode

[MD Danish Anwar <danishanwar@ti.com>]

Add support for VLAN filtering in dual EMAC mode.

Reviewed-by: Roger Quadros <rogerq@kernel.org>
Signed-off-by: MD Danish Anwar <danishanwar@ti.com>
---
 drivers/net/ethernet/ti/icssg/icssg_prueth.c | 29 +++++++++-----------
 1 file changed, 13 insertions(+), 16 deletions(-)

diff --git a/drivers/net/ethernet/ti/icssg/icssg_prueth.c b/drivers/net/ethernet/ti/icssg/icssg_prueth.c
index d76fe6d05e10..1d510c9dabff 100644
--- a/drivers/net/ethernet/ti/icssg/icssg_prueth.c
+++ b/drivers/net/ethernet/ti/icssg/icssg_prueth.c
@@ -907,19 +907,18 @@ static int emac_ndo_vlan_rx_add_vid(struct net_device *ndev,
 {
 	struct prueth_emac *emac = netdev_priv(ndev);
 	struct prueth *prueth = emac->prueth;
+	int port_mask = BIT(emac->port_id);
 	int untag_mask = 0;
-	int port_mask;
 
-	if (prueth->is_hsr_offload_mode) {
-		port_mask = BIT(PRUETH_PORT_HOST) | BIT(emac->port_id);
-		untag_mask = 0;
+	if (prueth->is_hsr_offload_mode)
+		port_mask |= BIT(PRUETH_PORT_HOST);
 
-		netdev_dbg(emac->ndev, "VID add vid:%u port_mask:%X untag_mask %X\n",
-			   vid, port_mask, untag_mask);
+	netdev_dbg(emac->ndev, "VID add vid:%u port_mask:%X untag_mask %X\n",
+		   vid, port_mask, untag_mask);
+
+	icssg_vtbl_modify(emac, vid, port_mask, untag_mask, true);
+	icssg_set_pvid(emac->prueth, vid, emac->port_id);
 
-		icssg_vtbl_modify(emac, vid, port_mask, untag_mask, true);
-		icssg_set_pvid(emac->prueth, vid, emac->port_id);
-	}
 	return 0;
 }
 
@@ -928,18 +927,16 @@ static int emac_ndo_vlan_rx_del_vid(struct net_device *ndev,
 {
 	struct prueth_emac *emac = netdev_priv(ndev);
 	struct prueth *prueth = emac->prueth;
+	int port_mask = BIT(emac->port_id);
 	int untag_mask = 0;
-	int port_mask;
 
-	if (prueth->is_hsr_offload_mode) {
+	if (prueth->is_hsr_offload_mode)
 		port_mask = BIT(PRUETH_PORT_HOST);
-		untag_mask = 0;
 
-		netdev_dbg(emac->ndev, "VID del vid:%u port_mask:%X untag_mask  %X\n",
-			   vid, port_mask, untag_mask);
+	netdev_dbg(emac->ndev, "VID del vid:%u port_mask:%X untag_mask  %X\n",
+		   vid, port_mask, untag_mask);
+	icssg_vtbl_modify(emac, vid, port_mask, untag_mask, false);
 
-		icssg_vtbl_modify(emac, vid, port_mask, untag_mask, false);
-	}
 	return 0;
 }
 
-- 
2.34.1