diff mbox series

[net-next,3/7] net: mscc: ocelot: transform the pvid and native vlan values into a structure

Message ID 20201031102916.667619-4-vladimir.oltean@nxp.com
State Accepted
Delegated to: David Miller
Headers show
Series VLAN improvements for Ocelot switch | expand

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Commit Message

Vladimir Oltean Oct. 31, 2020, 10:29 a.m. UTC 
This is a mechanical patch only.

Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
---
 drivers/net/ethernet/mscc/ocelot.c     | 55 ++++++++++++++++----------
 drivers/net/ethernet/mscc/ocelot_net.c | 16 ++++----
 include/soc/mscc/ocelot.h              | 14 ++++---
 3 files changed, 50 insertions(+), 35 deletions(-)
diff mbox series

Patch

diff --git a/drivers/net/ethernet/mscc/ocelot.c b/drivers/net/ethernet/mscc/ocelot.c
index ae25a79bf907..a7e724ae01f7 100644
--- a/drivers/net/ethernet/mscc/ocelot.c
+++ b/drivers/net/ethernet/mscc/ocelot.c
@@ -148,27 +148,27 @@  static int ocelot_vlant_set_mask(struct ocelot *ocelot, u16 vid, u32 mask)
 }
 
 static int ocelot_port_set_native_vlan(struct ocelot *ocelot, int port,
-				       u16 vid)
+				       struct ocelot_vlan native_vlan)
 {
 	struct ocelot_port *ocelot_port = ocelot->ports[port];
 	u32 val = 0;
 
-	if (ocelot_port->vid != vid) {
+	if (ocelot_port->native_vlan.vid != native_vlan.vid) {
 		/* Always permit deleting the native VLAN (vid = 0) */
-		if (ocelot_port->vid && vid) {
+		if (ocelot_port->native_vlan.vid && native_vlan.vid) {
 			dev_err(ocelot->dev,
 				"Port already has a native VLAN: %d\n",
-				ocelot_port->vid);
+				ocelot_port->native_vlan.vid);
 			return -EBUSY;
 		}
-		ocelot_port->vid = vid;
+		ocelot_port->native_vlan = native_vlan;
 	}
 
-	ocelot_rmw_gix(ocelot, REW_PORT_VLAN_CFG_PORT_VID(vid),
+	ocelot_rmw_gix(ocelot, REW_PORT_VLAN_CFG_PORT_VID(native_vlan.vid),
 		       REW_PORT_VLAN_CFG_PORT_VID_M,
 		       REW_PORT_VLAN_CFG, port);
 
-	if (ocelot_port->vlan_aware && !ocelot_port->vid)
+	if (ocelot_port->vlan_aware && !ocelot_port->native_vlan.vid)
 		/* If port is vlan-aware and tagged, drop untagged and priority
 		 * tagged frames.
 		 */
@@ -182,7 +182,7 @@  static int ocelot_port_set_native_vlan(struct ocelot *ocelot, int port,
 		       ANA_PORT_DROP_CFG, port);
 
 	if (ocelot_port->vlan_aware) {
-		if (ocelot_port->vid)
+		if (ocelot_port->native_vlan.vid)
 			/* Tag all frames except when VID == DEFAULT_VLAN */
 			val = REW_TAG_CFG_TAG_CFG(1);
 		else
@@ -200,17 +200,18 @@  static int ocelot_port_set_native_vlan(struct ocelot *ocelot, int port,
 }
 
 /* Default vlan to clasify for untagged frames (may be zero) */
-static void ocelot_port_set_pvid(struct ocelot *ocelot, int port, u16 pvid)
+static void ocelot_port_set_pvid(struct ocelot *ocelot, int port,
+				 struct ocelot_vlan pvid_vlan)
 {
 	struct ocelot_port *ocelot_port = ocelot->ports[port];
 
-	ocelot_port->pvid = pvid;
+	ocelot_port->pvid_vlan = pvid_vlan;
 
 	if (!ocelot_port->vlan_aware)
-		pvid = 0;
+		pvid_vlan.vid = 0;
 
 	ocelot_rmw_gix(ocelot,
-		       ANA_PORT_VLAN_CFG_VLAN_VID(pvid),
+		       ANA_PORT_VLAN_CFG_VLAN_VID(pvid_vlan.vid),
 		       ANA_PORT_VLAN_CFG_VLAN_VID_M,
 		       ANA_PORT_VLAN_CFG, port);
 }
@@ -249,8 +250,8 @@  int ocelot_port_vlan_filtering(struct ocelot *ocelot, int port,
 		       ANA_PORT_VLAN_CFG_VLAN_POP_CNT_M,
 		       ANA_PORT_VLAN_CFG, port);
 
-	ocelot_port_set_pvid(ocelot, port, ocelot_port->pvid);
-	ocelot_port_set_native_vlan(ocelot, port, ocelot_port->vid);
+	ocelot_port_set_pvid(ocelot, port, ocelot_port->pvid_vlan);
+	ocelot_port_set_native_vlan(ocelot, port, ocelot_port->native_vlan);
 
 	return 0;
 }
@@ -268,12 +269,19 @@  int ocelot_vlan_add(struct ocelot *ocelot, int port, u16 vid, bool pvid,
 		return ret;
 
 	/* Default ingress vlan classification */
-	if (pvid)
-		ocelot_port_set_pvid(ocelot, port, vid);
+	if (pvid) {
+		struct ocelot_vlan pvid_vlan;
+
+		pvid_vlan.vid = vid;
+		ocelot_port_set_pvid(ocelot, port, pvid_vlan);
+	}
 
 	/* Untagged egress vlan clasification */
 	if (untagged) {
-		ret = ocelot_port_set_native_vlan(ocelot, port, vid);
+		struct ocelot_vlan native_vlan;
+
+		native_vlan.vid = vid;
+		ret = ocelot_port_set_native_vlan(ocelot, port, native_vlan);
 		if (ret)
 			return ret;
 	}
@@ -294,8 +302,12 @@  int ocelot_vlan_del(struct ocelot *ocelot, int port, u16 vid)
 		return ret;
 
 	/* Egress */
-	if (ocelot_port->vid == vid)
-		ocelot_port_set_native_vlan(ocelot, port, 0);
+	if (ocelot_port->native_vlan.vid == vid) {
+		struct ocelot_vlan native_vlan;
+
+		native_vlan.vid = 0;
+		ocelot_port_set_native_vlan(ocelot, port, native_vlan);
+	}
 
 	return 0;
 }
@@ -1151,6 +1163,7 @@  EXPORT_SYMBOL(ocelot_port_bridge_join);
 int ocelot_port_bridge_leave(struct ocelot *ocelot, int port,
 			     struct net_device *bridge)
 {
+	struct ocelot_vlan pvid = {0}, native_vlan = {0};
 	struct switchdev_trans trans;
 	int ret;
 
@@ -1169,8 +1182,8 @@  int ocelot_port_bridge_leave(struct ocelot *ocelot, int port,
 	if (ret)
 		return ret;
 
-	ocelot_port_set_pvid(ocelot, port, 0);
-	return ocelot_port_set_native_vlan(ocelot, port, 0);
+	ocelot_port_set_pvid(ocelot, port, pvid);
+	return ocelot_port_set_native_vlan(ocelot, port, native_vlan);
 }
 EXPORT_SYMBOL(ocelot_port_bridge_leave);
 
diff --git a/drivers/net/ethernet/mscc/ocelot_net.c b/drivers/net/ethernet/mscc/ocelot_net.c
index b34da11acf65..cf5c2a0ddfc0 100644
--- a/drivers/net/ethernet/mscc/ocelot_net.c
+++ b/drivers/net/ethernet/mscc/ocelot_net.c
@@ -409,7 +409,7 @@  static int ocelot_mc_unsync(struct net_device *dev, const unsigned char *addr)
 	struct ocelot_port *ocelot_port = &priv->port;
 	struct ocelot *ocelot = ocelot_port->ocelot;
 
-	return ocelot_mact_forget(ocelot, addr, ocelot_port->pvid);
+	return ocelot_mact_forget(ocelot, addr, ocelot_port->pvid_vlan.vid);
 }
 
 static int ocelot_mc_sync(struct net_device *dev, const unsigned char *addr)
@@ -418,8 +418,8 @@  static int ocelot_mc_sync(struct net_device *dev, const unsigned char *addr)
 	struct ocelot_port *ocelot_port = &priv->port;
 	struct ocelot *ocelot = ocelot_port->ocelot;
 
-	return ocelot_mact_learn(ocelot, PGID_CPU, addr, ocelot_port->pvid,
-				 ENTRYTYPE_LOCKED);
+	return ocelot_mact_learn(ocelot, PGID_CPU, addr,
+				 ocelot_port->pvid_vlan.vid, ENTRYTYPE_LOCKED);
 }
 
 static void ocelot_set_rx_mode(struct net_device *dev)
@@ -462,10 +462,10 @@  static int ocelot_port_set_mac_address(struct net_device *dev, void *p)
 	const struct sockaddr *addr = p;
 
 	/* Learn the new net device MAC address in the mac table. */
-	ocelot_mact_learn(ocelot, PGID_CPU, addr->sa_data, ocelot_port->pvid,
-			  ENTRYTYPE_LOCKED);
+	ocelot_mact_learn(ocelot, PGID_CPU, addr->sa_data,
+			  ocelot_port->pvid_vlan.vid, ENTRYTYPE_LOCKED);
 	/* Then forget the previous one. */
-	ocelot_mact_forget(ocelot, dev->dev_addr, ocelot_port->pvid);
+	ocelot_mact_forget(ocelot, dev->dev_addr, ocelot_port->pvid_vlan.vid);
 
 	ether_addr_copy(dev->dev_addr, addr->sa_data);
 	return 0;
@@ -1074,8 +1074,8 @@  int ocelot_probe_port(struct ocelot *ocelot, int port, struct regmap *target,
 
 	memcpy(dev->dev_addr, ocelot->base_mac, ETH_ALEN);
 	dev->dev_addr[ETH_ALEN - 1] += port;
-	ocelot_mact_learn(ocelot, PGID_CPU, dev->dev_addr, ocelot_port->pvid,
-			  ENTRYTYPE_LOCKED);
+	ocelot_mact_learn(ocelot, PGID_CPU, dev->dev_addr,
+			  ocelot_port->pvid_vlan.vid, ENTRYTYPE_LOCKED);
 
 	ocelot_init_port(ocelot, port);
 
diff --git a/include/soc/mscc/ocelot.h b/include/soc/mscc/ocelot.h
index cc126d1796be..baf6a498f7d1 100644
--- a/include/soc/mscc/ocelot.h
+++ b/include/soc/mscc/ocelot.h
@@ -571,18 +571,20 @@  struct ocelot_vcap_block {
 	int pol_lpr;
 };
 
+struct ocelot_vlan {
+	u16 vid;
+};
+
 struct ocelot_port {
 	struct ocelot			*ocelot;
 
 	struct regmap			*target;
 
 	bool				vlan_aware;
-
-	/* Ingress default VLAN (pvid) */
-	u16				pvid;
-
-	/* Egress default VLAN (vid) */
-	u16				vid;
+	/* VLAN that untagged frames are classified to, on ingress */
+	struct ocelot_vlan		pvid_vlan;
+	/* The VLAN ID that will be transmitted as untagged, on egress */
+	struct ocelot_vlan		native_vlan;
 
 	u8				ptp_cmd;
 	struct sk_buff_head		tx_skbs;