linux-kernel - [PATCH net-next 2/4] net: ti: icssg-prueth: Add VLAN support in EMAC mode

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Message-ID: <20241216100044.577489-3-danishanwar@ti.com>
Date: Mon, 16 Dec 2024 15:30:42 +0530
From: MD Danish Anwar <danishanwar@...com>
To: <aleksander.lobakin@...el.com>, <lukma@...x.de>, <m-malladi@...com>,
        <diogo.ivo@...mens.com>, <rdunlap@...radead.org>,
        <schnelle@...ux.ibm.com>, <vladimir.oltean@....com>,
        <horms@...nel.org>, <rogerq@...nel.org>, <danishanwar@...com>,
        <pabeni@...hat.com>, <kuba@...nel.org>, <edumazet@...gle.com>,
        <davem@...emloft.net>, <andrew+netdev@...n.ch>
CC: <linux-arm-kernel@...ts.infradead.org>, <linux-kernel@...r.kernel.org>,
        <netdev@...r.kernel.org>, <srk@...com>,
        Vignesh Raghavendra <vigneshr@...com>
Subject: [PATCH net-next 2/4] net: ti: icssg-prueth: Add VLAN support in EMAC mode

Add support for vlan filtering in dual EMAC mode.

Signed-off-by: MD Danish Anwar <danishanwar@...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 c568c84a032b..e031bccf31dc 100644
--- a/drivers/net/ethernet/ti/icssg/icssg_prueth.c
+++ b/drivers/net/ethernet/ti/icssg/icssg_prueth.c
@@ -822,19 +822,18 @@ 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_err(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;
 }
 
@@ -843,18 +842,16 @@ 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_err(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