swconfig: cleanup of kernel drivers and interface

- add some comments to a few data structures
- add a switch_dev_ops data structure for attributes and callback to replace the stupid template memcpy
- get rid of the switch_dev.priv pointer - using container_of() is better

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@22476 3c298f89-4303-0410-b956-a3cf2f4a3e73

7 files changed, 224 insertions, 189 deletions

diff --git a/target/linux/generic/files/drivers/net/phy/ar8216.c b/target/linux/generic/files/drivers/net/phy/ar8216.c
index 4ae61da23..98bfc7eb3 100644
--- a/target/linux/generic/files/drivers/net/phy/ar8216.c
+++ b/target/linux/generic/files/drivers/net/phy/ar8216.c
@@ -52,7 +52,6 @@ struct ar8216_priv {
 	u8 vlan_tagged;
 	u16 pvid[AR8216_NUM_PORTS];
 };
-static struct switch_dev athdev;
 
 #define to_ar8216(_dev) container_of(_dev, struct ar8216_priv, dev)
 
@@ -631,11 +630,34 @@ ar8216_reset_switch(struct switch_dev *dev)
 	return ar8216_hw_apply(dev);
 }
 
+
+static const struct switch_dev_ops ar8216_ops = {
+	.attr_global = {
+		.attr = ar8216_globals,
+		.n_attr = ARRAY_SIZE(ar8216_globals),
+	},
+	.attr_port = {
+		.attr = ar8216_port,
+		.n_attr = ARRAY_SIZE(ar8216_port),
+	},
+	.attr_vlan = {
+		.attr = ar8216_vlan,
+		.n_attr = ARRAY_SIZE(ar8216_vlan),
+	},
+	.get_port_pvid = ar8216_get_pvid,
+	.set_port_pvid = ar8216_set_pvid,
+	.get_vlan_ports = ar8216_get_ports,
+	.set_vlan_ports = ar8216_set_ports,
+	.apply_config = ar8216_hw_apply,
+	.reset_switch = ar8216_reset_switch,
+};
+
 static int
 ar8216_config_init(struct phy_device *pdev)
 {
 	struct ar8216_priv *priv;
 	struct net_device *dev = pdev->attached_dev;
+	struct switch_dev *swdev;
 	int ret;
 
 	priv = kzalloc(sizeof(struct ar8216_priv), GFP_KERNEL);
@@ -667,14 +689,22 @@ ar8216_config_init(struct phy_device *pdev)
 	mutex_init(&priv->reg_mutex);
 	priv->read = ar8216_mii_read;
 	priv->write = ar8216_mii_write;
-	memcpy(&priv->dev, &athdev, sizeof(struct switch_dev));
+
 	pdev->priv = priv;
 
+	swdev = &priv->dev;
+	swdev->cpu_port = AR8216_PORT_CPU;
+	swdev->ops = &ar8216_ops;
+
 	if (priv->chip == AR8316) {
-		priv->dev.name = "Atheros AR8316";
-		priv->dev.vlans = AR8X16_MAX_VLANS;
+		swdev->name = "Atheros AR8316";
+		swdev->vlans = AR8X16_MAX_VLANS;
 		/* port 5 connected to the other mac, therefore unusable */
-		priv->dev.ports = (AR8216_NUM_PORTS - 1);
+		swdev->ports = (AR8216_NUM_PORTS - 1);
+	} else {
+		swdev->name = "Atheros AR8216";
+		swdev->vlans = AR8216_NUM_VLANS;
+		swdev->ports = AR8216_NUM_PORTS;
 	}
 
 	if ((ret = register_switch(&priv->dev, pdev->attached_dev)) < 0) {
@@ -782,32 +812,6 @@ ar8216_remove(struct phy_device *pdev)
 	kfree(priv);
 }
 
-/* template */
-static struct switch_dev athdev = {
-	.name = "Atheros AR8216",
-	.cpu_port = AR8216_PORT_CPU,
-	.ports = AR8216_NUM_PORTS,
-	.vlans = AR8216_NUM_VLANS,
-	.attr_global = {
-		.attr = ar8216_globals,
-		.n_attr = ARRAY_SIZE(ar8216_globals),
-	},
-	.attr_port = {
-		.attr = ar8216_port,
-		.n_attr = ARRAY_SIZE(ar8216_port),
-	},
-	.attr_vlan = {
-		.attr = ar8216_vlan,
-		.n_attr = ARRAY_SIZE(ar8216_vlan),
-	},
-	.get_port_pvid = ar8216_get_pvid,
-	.set_port_pvid = ar8216_set_pvid,
-	.get_vlan_ports = ar8216_get_ports,
-	.set_vlan_ports = ar8216_set_ports,
-	.apply_config = ar8216_hw_apply,
-	.reset_switch = ar8216_reset_switch,
-};
-
 static struct phy_driver ar8216_driver = {
 	.phy_id		= 0x004d0000,
 	.name		= "Atheros AR8216/AR8316",
diff --git a/target/linux/generic/files/drivers/net/phy/ip17xx.c b/target/linux/generic/files/drivers/net/phy/ip17xx.c
index 864168ffd..646a84265 100644
--- a/target/linux/generic/files/drivers/net/phy/ip17xx.c
+++ b/target/linux/generic/files/drivers/net/phy/ip17xx.c
@@ -323,6 +323,7 @@ struct ip17xx_state {
 	char buf[80];
 };
 
+#define get_state(_dev) container_of((_dev), struct ip17xx_state, dev)
 
 static int ip_phy_read(struct ip17xx_state *state, int port, int reg)
 {
@@ -734,7 +735,7 @@ static int ip175d_reset(struct ip17xx_state *state)
 
 static int ip17xx_get_enable_vlan(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val)
 {
-	struct ip17xx_state *state = dev->priv;
+	struct ip17xx_state *state = get_state(dev);
 
 	val->value.i = state->vlan_enabled;
 	return 0;
@@ -756,7 +757,7 @@ static void ip17xx_reset_vlan_config(struct ip17xx_state *state)
 
 static int ip17xx_set_enable_vlan(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val)
 {
-	struct ip17xx_state *state = dev->priv;
+	struct ip17xx_state *state = get_state(dev);
 	int enable;
 
 	enable = val->value.i;
@@ -774,7 +775,7 @@ static int ip17xx_set_enable_vlan(struct switch_dev *dev, const struct switch_at
 
 static int ip17xx_get_ports(struct switch_dev *dev, struct switch_val *val)
 {
-	struct ip17xx_state *state = dev->priv;
+	struct ip17xx_state *state = get_state(dev);
 	int b;
 	int ind;
 	unsigned int ports;
@@ -802,7 +803,7 @@ static int ip17xx_get_ports(struct switch_dev *dev, struct switch_val *val)
 
 static int ip17xx_set_ports(struct switch_dev *dev, struct switch_val *val)
 {
-	struct ip17xx_state *state = dev->priv;
+	struct ip17xx_state *state = get_state(dev);
 	int i;
 
 	if (val->port_vlan >= dev->vlans || val->port_vlan < 0)
@@ -826,7 +827,7 @@ static int ip17xx_set_ports(struct switch_dev *dev, struct switch_val *val)
 
 static int ip17xx_apply(struct switch_dev *dev)
 {
-	struct ip17xx_state *state = dev->priv;
+	struct ip17xx_state *state = get_state(dev);
 
 	if (REG_SUPP(state->regs->MII_REGISTER_EN)) {
 		int val = getPhy(state, state->regs->MII_REGISTER_EN);
@@ -841,7 +842,7 @@ static int ip17xx_apply(struct switch_dev *dev)
 
 static int ip17xx_reset(struct switch_dev *dev)
 {
-	struct ip17xx_state *state = dev->priv;
+	struct ip17xx_state *state = get_state(dev);
 	int i, err;
 
 	if (REG_SUPP(state->regs->RESET_REG)) {
@@ -874,7 +875,7 @@ static int ip17xx_reset(struct switch_dev *dev)
 
 static int ip17xx_get_tagged(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val)
 {
-	struct ip17xx_state *state = dev->priv;
+	struct ip17xx_state *state = get_state(dev);
 
 	if (state->add_tag & (1<<val->port_vlan)) {
 		if (state->remove_tag & (1<<val->port_vlan))
@@ -892,7 +893,7 @@ static int ip17xx_get_tagged(struct switch_dev *dev, const struct switch_attr *a
 
 static int ip17xx_set_tagged(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val)
 {
-	struct ip17xx_state *state = dev->priv;
+	struct ip17xx_state *state = get_state(dev);
 
 	state->add_tag &= ~(1<<val->port_vlan);
 	state->remove_tag &= ~(1<<val->port_vlan);
@@ -908,7 +909,7 @@ static int ip17xx_set_tagged(struct switch_dev *dev, const struct switch_attr *a
 /** Get the current phy address */
 static int ip17xx_get_phy(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val)
 {
-	struct ip17xx_state *state = dev->priv;
+	struct ip17xx_state *state = get_state(dev);
 
 	val->value.i = state->proc_mii.p;
 	return 0;
@@ -917,7 +918,7 @@ static int ip17xx_get_phy(struct switch_dev *dev, const struct switch_attr *attr
 /** Set a new phy address for low level access to registers */
 static int ip17xx_set_phy(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val)
 {
-	struct ip17xx_state *state = dev->priv;
+	struct ip17xx_state *state = get_state(dev);
 	int new_reg = val->value.i;
 
 	if (new_reg < 0 || new_reg > 31)
@@ -930,7 +931,7 @@ static int ip17xx_set_phy(struct switch_dev *dev, const struct switch_attr *attr
 /** Get the current register number */
 static int ip17xx_get_reg(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val)
 {
-	struct ip17xx_state *state = dev->priv;
+	struct ip17xx_state *state = get_state(dev);
 
 	val->value.i = state->proc_mii.m;
 	return 0;
@@ -939,7 +940,7 @@ static int ip17xx_get_reg(struct switch_dev *dev, const struct switch_attr *attr
 /** Set a new register address for low level access to registers */
 static int ip17xx_set_reg(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val)
 {
-	struct ip17xx_state *state = dev->priv;
+	struct ip17xx_state *state = get_state(dev);
 	int new_reg = val->value.i;
 
 	if (new_reg < 0 || new_reg > 31)
@@ -952,7 +953,7 @@ static int ip17xx_set_reg(struct switch_dev *dev, const struct switch_attr *attr
 /** Get the register content of state->proc_mii */
 static int ip17xx_get_val(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val)
 {
-	struct ip17xx_state *state = dev->priv;
+	struct ip17xx_state *state = get_state(dev);
 	int retval = -EINVAL;
 	if (REG_SUPP(state->proc_mii))
 		retval = getPhy(state, state->proc_mii);
@@ -968,7 +969,7 @@ static int ip17xx_get_val(struct switch_dev *dev, const struct switch_attr *attr
 /** Write a value to the register defined by phy/reg above */
 static int ip17xx_set_val(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val)
 {
-	struct ip17xx_state *state = dev->priv;
+	struct ip17xx_state *state = get_state(dev);
 	int myval, err = -EINVAL;
 
 	myval = val->value.i;
@@ -980,14 +981,14 @@ static int ip17xx_set_val(struct switch_dev *dev, const struct switch_attr *attr
 
 static int ip17xx_read_name(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val)
 {
-	struct ip17xx_state *state = dev->priv;
+	struct ip17xx_state *state = get_state(dev);
 	val->value.s = state->regs->NAME; // Just a const pointer, won't be freed by swconfig.
 	return 0;
 }
 
 static int ip17xx_get_tag(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val)
 {
-	struct ip17xx_state *state = dev->priv;
+	struct ip17xx_state *state = get_state(dev);
 	int vlan = val->port_vlan;
 
 	if (vlan < 0 || vlan >= MAX_VLANS)
@@ -999,7 +1000,7 @@ static int ip17xx_get_tag(struct switch_dev *dev, const struct switch_attr *attr
 
 static int ip17xx_set_tag(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val)
 {
-	struct ip17xx_state *state = dev->priv;
+	struct ip17xx_state *state = get_state(dev);
 	int vlan = val->port_vlan;
 	int tag = val->value.i;
 
@@ -1015,7 +1016,7 @@ static int ip17xx_set_tag(struct switch_dev *dev, const struct switch_attr *attr
 
 static int ip17xx_set_port_speed(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val)
 {
-	struct ip17xx_state *state = dev->priv;
+	struct ip17xx_state *state = get_state(dev);
 	int nr = val->port_vlan;
 	int ctrl;
 	int autoneg;
@@ -1052,7 +1053,7 @@ static int ip17xx_set_port_speed(struct switch_dev *dev, const struct switch_att
 
 static int ip17xx_get_port_speed(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val)
 {
-	struct ip17xx_state *state = dev->priv;
+	struct ip17xx_state *state = get_state(dev);
 	int nr = val->port_vlan;
 	int speed, status;
 
@@ -1079,7 +1080,7 @@ static int ip17xx_get_port_speed(struct switch_dev *dev, const struct switch_att
 
 static int ip17xx_get_port_status(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val)
 {
-	struct ip17xx_state *state = dev->priv;
+	struct ip17xx_state *state = get_state(dev);
 	int ctrl, speed, status;
 	int nr = val->port_vlan;
 	int len;
@@ -1123,7 +1124,7 @@ static int ip17xx_get_port_status(struct switch_dev *dev, const struct switch_at
 
 static int ip17xx_get_pvid(struct switch_dev *dev, int port, int *val)
 {
-	struct ip17xx_state *state = dev->priv;
+	struct ip17xx_state *state = get_state(dev);
 
 	*val = state->ports[port].pvid;
 	return 0;
@@ -1131,7 +1132,7 @@ static int ip17xx_get_pvid(struct switch_dev *dev, int port, int *val)
 
 static int ip17xx_set_pvid(struct switch_dev *dev, int port, int val)
 {
-	struct ip17xx_state *state = dev->priv;
+	struct ip17xx_state *state = get_state(dev);
 
 	if (val < 0 || val >= MAX_VLANS)
 		return -EINVAL;
@@ -1243,6 +1244,28 @@ static const struct switch_attr ip17xx_port[] = {
 	},
 };
 
+static const struct switch_dev_ops ip17xx_ops = {
+	.attr_global = {
+		.attr = ip17xx_global,
+		.n_attr = ARRAY_SIZE(ip17xx_global),
+	},
+	.attr_port = {
+		.attr = ip17xx_port,
+		.n_attr = ARRAY_SIZE(ip17xx_port),
+	},
+	.attr_vlan = {
+		.attr = ip17xx_vlan,
+		.n_attr = ARRAY_SIZE(ip17xx_vlan),
+	},
+
+	.get_port_pvid = ip17xx_get_pvid,
+	.set_port_pvid = ip17xx_set_pvid,
+	.get_vlan_ports = ip17xx_get_ports,
+	.set_vlan_ports = ip17xx_set_ports,
+	.apply_config = ip17xx_apply,
+	.reset_switch = ip17xx_reset,
+};
+
 static int ip17xx_probe(struct phy_device *pdev)
 {
 	struct ip17xx_state *state;
@@ -1258,21 +1281,7 @@ static int ip17xx_probe(struct phy_device *pdev)
 		return -ENOMEM;
 
 	dev = &state->dev;
-	dev->attr_global.attr = ip17xx_global;
-	dev->attr_global.n_attr = ARRAY_SIZE(ip17xx_global);
-	dev->attr_port.attr = ip17xx_port;
-	dev->attr_port.n_attr = ARRAY_SIZE(ip17xx_port);
-	dev->attr_vlan.attr = ip17xx_vlan;
-	dev->attr_vlan.n_attr = ARRAY_SIZE(ip17xx_vlan);
-
-	dev->get_port_pvid = ip17xx_get_pvid;
-	dev->set_port_pvid = ip17xx_set_pvid;
-	dev->get_vlan_ports = ip17xx_get_ports;
-	dev->set_vlan_ports = ip17xx_set_ports;
-	dev->apply_config = ip17xx_apply;
-	dev->reset_switch = ip17xx_reset;
-
-	dev->priv = state;
+
 	pdev->priv = state;
 	state->mii_bus = pdev->bus;
 
@@ -1284,6 +1293,7 @@ static int ip17xx_probe(struct phy_device *pdev)
 	dev->cpu_port = state->regs->CPU_PORT;
 	dev->ports = state->regs->NUM_PORTS;
 	dev->name = state->regs->NAME;
+	dev->ops = &ip17xx_ops;
 
 	pr_info("IP17xx: Found %s at %s\n", dev->name, dev_name(&pdev->dev));
 	return 0;
diff --git a/target/linux/generic/files/drivers/net/phy/rtl8306.c b/target/linux/generic/files/drivers/net/phy/rtl8306.c
index 901b5b2f8..87c661a77 100644
--- a/target/linux/generic/files/drivers/net/phy/rtl8306.c
+++ b/target/linux/generic/files/drivers/net/phy/rtl8306.c
@@ -250,11 +250,6 @@ static const struct rtl_reg rtl_regs[] = {
 };
 
 
-/* IFXMIPS compat stuff - remove after PHY layer migration */
-static struct switch_dev rtldev;
-/* END IFXMIPS compat stuff */
-
-
 static inline void
 rtl_set_page(struct rtl_priv *priv, unsigned int page)
 {
@@ -706,64 +701,6 @@ rtl_set_ports(struct switch_dev *dev, struct switch_val *val)
 	return 0;
 }
 
-static int
-rtl8306_config_init(struct phy_device *pdev)
-{
-	struct net_device *netdev = pdev->attached_dev;
-	struct rtl_priv *priv = pdev->priv;
-	struct switch_dev *dev = &priv->dev;
-	struct switch_val val;
-	unsigned int chipid, chipver, chiptype;
-	int err;
-
-	/* Only init the switch for the primary PHY */
-	if (pdev->addr != 0)
-		return 0;
-
-	val.value.i = 1;
-	memcpy(&priv->dev, &rtldev, sizeof(struct switch_dev));
-	priv->do_cpu = 0;
-	priv->page = -1;
-	priv->bus = pdev->bus;
-
-	dev->priv = priv;
-
-	chipid = rtl_get(dev, RTL_REG_CHIPID);
-	chipver = rtl_get(dev, RTL_REG_CHIPVER);
-	chiptype = rtl_get(dev, RTL_REG_CHIPTYPE);
-	switch(chiptype) {
-	case 0:
-	case 2:
-		strncpy(priv->hwname, RTL_NAME_S, sizeof(priv->hwname));
-		priv->type = RTL_TYPE_S;
-		break;
-	case 1:
-		strncpy(priv->hwname, RTL_NAME_SD, sizeof(priv->hwname));
-		priv->type = RTL_TYPE_SD;
-		break;
-	case 3:
-		strncpy(priv->hwname, RTL_NAME_SDM, sizeof(priv->hwname));
-		priv->type = RTL_TYPE_SDM;
-		break;
-	default:
-		strncpy(priv->hwname, RTL_NAME_UNKNOWN, sizeof(priv->hwname));
-		break;
-	}
-
-	dev->name = priv->hwname;
-	rtl_hw_init(dev);
-
-	printk(KERN_INFO "Registering %s switch with Chip ID: 0x%04x, version: 0x%04x\n", priv->hwname, chipid, chipver);
-
-	err = register_switch(dev, netdev);
-	if (err < 0) {
-		kfree(priv);
-		return err;
-	}
-
-	return 0;
-}
-
 static struct switch_attr rtl_globals[] = {
 	{
 		.type = SWITCH_TYPE_INT,
@@ -897,11 +834,7 @@ static struct switch_attr rtl_vlan[] = {
 	},
 };
 
-/* template */
-static struct switch_dev rtldev = {
-	.cpu_port = RTL8306_PORT_CPU,
-	.ports = RTL8306_NUM_PORTS,
-	.vlans = RTL8306_NUM_VLANS,
+static const struct switch_dev_ops rtl8306_ops = {
 	.attr_global = {
 		.attr = rtl_globals,
 		.n_attr = ARRAY_SIZE(rtl_globals),
@@ -920,6 +853,65 @@ static struct switch_dev rtldev = {
 	.apply_config = rtl_hw_apply,
 };
 
+static int
+rtl8306_config_init(struct phy_device *pdev)
+{
+	struct net_device *netdev = pdev->attached_dev;
+	struct rtl_priv *priv = pdev->priv;
+	struct switch_dev *dev = &priv->dev;
+	struct switch_val val;
+	unsigned int chipid, chipver, chiptype;
+	int err;
+
+	/* Only init the switch for the primary PHY */
+	if (pdev->addr != 0)
+		return 0;
+
+	val.value.i = 1;
+	priv->dev.cpu_port = RTL8306_PORT_CPU;
+	priv->dev.ports = RTL8306_NUM_PORTS;
+	priv->dev.vlans = RTL8306_NUM_VLANS;
+	priv->dev.ops = &rtl8306_ops;
+	priv->do_cpu = 0;
+	priv->page = -1;
+	priv->bus = pdev->bus;
+
+	chipid = rtl_get(dev, RTL_REG_CHIPID);
+	chipver = rtl_get(dev, RTL_REG_CHIPVER);
+	chiptype = rtl_get(dev, RTL_REG_CHIPTYPE);
+	switch(chiptype) {
+	case 0:
+	case 2:
+		strncpy(priv->hwname, RTL_NAME_S, sizeof(priv->hwname));
+		priv->type = RTL_TYPE_S;
+		break;
+	case 1:
+		strncpy(priv->hwname, RTL_NAME_SD, sizeof(priv->hwname));
+		priv->type = RTL_TYPE_SD;
+		break;
+	case 3:
+		strncpy(priv->hwname, RTL_NAME_SDM, sizeof(priv->hwname));
+		priv->type = RTL_TYPE_SDM;
+		break;
+	default:
+		strncpy(priv->hwname, RTL_NAME_UNKNOWN, sizeof(priv->hwname));
+		break;
+	}
+
+	dev->name = priv->hwname;
+	rtl_hw_init(dev);
+
+	printk(KERN_INFO "Registering %s switch with Chip ID: 0x%04x, version: 0x%04x\n", priv->hwname, chipid, chipver);
+
+	err = register_switch(dev, netdev);
+	if (err < 0) {
+		kfree(priv);
+		return err;
+	}
+
+	return 0;
+}
+
 
 static int
 rtl8306_fixup(struct phy_device *pdev)
diff --git a/target/linux/generic/files/drivers/net/phy/rtl8366rb.c b/target/linux/generic/files/drivers/net/phy/rtl8366rb.c
index 79533263b..659445a64 100644
--- a/target/linux/generic/files/drivers/net/phy/rtl8366rb.c
+++ b/target/linux/generic/files/drivers/net/phy/rtl8366rb.c
@@ -849,12 +849,7 @@ static struct switch_attr rtl8366rb_vlan[] = {
 	},
 };
 
-/* template */
-static struct switch_dev rtl8366_switch_dev = {
-	.name = "RTL8366S",
-	.cpu_port = RTL8366RB_PORT_NUM_CPU,
-	.ports = RTL8366RB_NUM_PORTS,
-	.vlans = RTL8366RB_NUM_VLANS,
+static const struct switch_dev_ops rtl8366_ops = {
 	.attr_global = {
 		.attr = rtl8366rb_globals,
 		.n_attr = ARRAY_SIZE(rtl8366rb_globals),
@@ -880,8 +875,11 @@ static int rtl8366rb_switch_init(struct rtl8366_smi *smi)
 	struct switch_dev *dev = &smi->sw_dev;
 	int err;
 
-	memcpy(dev, &rtl8366_switch_dev, sizeof(struct switch_dev));
-	dev->priv = smi;
+	dev->name = "RTL8366RB";
+	dev->cpu_port = RTL8366RB_PORT_NUM_CPU;
+	dev->ports = RTL8366RB_NUM_PORTS;
+	dev->vlans = RTL8366RB_NUM_VLANS;
+	dev->ops = &rtl8366_ops;
 	dev->devname = dev_name(smi->parent);
 
 	err = register_switch(dev, NULL);
diff --git a/target/linux/generic/files/drivers/net/phy/rtl8366s.c b/target/linux/generic/files/drivers/net/phy/rtl8366s.c
index 17050451f..7aab8341c 100644
--- a/target/linux/generic/files/drivers/net/phy/rtl8366s.c
+++ b/target/linux/generic/files/drivers/net/phy/rtl8366s.c
@@ -876,12 +876,7 @@ static struct switch_attr rtl8366s_vlan[] = {
 	},
 };
 
-/* template */
-static struct switch_dev rtl8366_switch_dev = {
-	.name = "RTL8366S",
-	.cpu_port = RTL8366S_PORT_NUM_CPU,
-	.ports = RTL8366S_NUM_PORTS,
-	.vlans = RTL8366S_NUM_VLANS,
+static const struct switch_dev_ops rtl8366_ops = {
 	.attr_global = {
 		.attr = rtl8366s_globals,
 		.n_attr = ARRAY_SIZE(rtl8366s_globals),
@@ -907,8 +902,11 @@ static int rtl8366s_switch_init(struct rtl8366_smi *smi)
 	struct switch_dev *dev = &smi->sw_dev;
 	int err;
 
-	memcpy(dev, &rtl8366_switch_dev, sizeof(struct switch_dev));
-	dev->priv = smi;
+	dev->name = "RTL8366S";
+	dev->cpu_port = RTL8366S_PORT_NUM_CPU;
+	dev->ports = RTL8366S_NUM_PORTS;
+	dev->vlans = RTL8366S_NUM_VLANS;
+	dev->ops = &rtl8366_ops;
 	dev->devname = dev_name(smi->parent);
 
 	err = register_switch(dev, NULL);
diff --git a/target/linux/generic/files/drivers/net/phy/swconfig.c b/target/linux/generic/files/drivers/net/phy/swconfig.c
index dea8e78b7..799fc29d1 100644
--- a/target/linux/generic/files/drivers/net/phy/swconfig.c
+++ b/target/linux/generic/files/drivers/net/phy/swconfig.c
@@ -65,10 +65,10 @@ swconfig_get_vlan_ports(struct switch_dev *dev, const struct switch_attr *attr,
 	if (val->port_vlan >= dev->vlans)
 		return -EINVAL;
 
-	if (!dev->get_vlan_ports)
+	if (!dev->ops->get_vlan_ports)
 		return -EOPNOTSUPP;
 
-	ret = dev->get_vlan_ports(dev, val);
+	ret = dev->ops->get_vlan_ports(dev, val);
 	return ret;
 }
 
@@ -76,6 +76,7 @@ static int
 swconfig_set_vlan_ports(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val)
 {
 	struct switch_port *ports = val->value.ports;
+	const struct switch_dev_ops *ops = dev->ops;
 	int i;
 
 	if (val->port_vlan >= dev->vlans)
@@ -85,18 +86,19 @@ swconfig_set_vlan_ports(struct switch_dev *dev, const struct switch_attr *attr,
 	if (val->len > dev->ports)
 		return -EINVAL;
 
-	if (!dev->set_vlan_ports)
+	if (!ops->set_vlan_ports)
 		return -EOPNOTSUPP;
 
 	for (i = 0; i < val->len; i++) {
 		if (ports[i].id >= dev->ports)
 			return -EINVAL;
 
-		if (dev->set_port_pvid && !(ports[i].flags & (1 << SWITCH_PORT_FLAG_TAGGED)))
-			dev->set_port_pvid(dev, ports[i].id, val->port_vlan);
+		if (ops->set_port_pvid &&
+		    !(ports[i].flags & (1 << SWITCH_PORT_FLAG_TAGGED)))
+			ops->set_port_pvid(dev, ports[i].id, val->port_vlan);
 	}
 
-	return dev->set_vlan_ports(dev, val);
+	return ops->set_vlan_ports(dev, val);
 }
 
 static int
@@ -105,10 +107,10 @@ swconfig_set_pvid(struct switch_dev *dev, const struct switch_attr *attr, struct
 	if (val->port_vlan >= dev->ports)
 		return -EINVAL;
 
-	if (!dev->set_port_pvid)
+	if (!dev->ops->set_port_pvid)
 		return -EOPNOTSUPP;
 
-	return dev->set_port_pvid(dev, val->port_vlan, val->value.i);
+	return dev->ops->set_port_pvid(dev, val->port_vlan, val->value.i);
 }
 
 static int
@@ -117,30 +119,30 @@ swconfig_get_pvid(struct switch_dev *dev, const struct switch_attr *attr, struct
 	if (val->port_vlan >= dev->ports)
 		return -EINVAL;
 
-	if (!dev->get_port_pvid)
+	if (!dev->ops->get_port_pvid)
 		return -EOPNOTSUPP;
 
-	return dev->get_port_pvid(dev, val->port_vlan, &val->value.i);
+	return dev->ops->get_port_pvid(dev, val->port_vlan, &val->value.i);
 }
 
 static int
 swconfig_apply_config(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val)
 {
 	/* don't complain if not supported by the switch driver */
-	if (!dev->apply_config)
+	if (!dev->ops->apply_config)
 		return 0;
 
-	return dev->apply_config(dev);
+	return dev->ops->apply_config(dev);
 }
 
 static int
 swconfig_reset_switch(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val)
 {
 	/* don't complain if not supported by the switch driver */
-	if (!dev->reset_switch)
+	if (!dev->ops->reset_switch)
 		return 0;
 
-	return dev->reset_switch(dev);
+	return dev->ops->reset_switch(dev);
 }
 
 enum global_defaults {
@@ -194,14 +196,16 @@ static struct switch_attr default_vlan[] = {
 
 static void swconfig_defaults_init(struct switch_dev *dev)
 {
+	const struct switch_dev_ops *ops = dev->ops;
+
 	dev->def_global = 0;
 	dev->def_vlan = 0;
 	dev->def_port = 0;
 
-	if (dev->get_vlan_ports || dev->set_vlan_ports)
+	if (ops->get_vlan_ports || ops->set_vlan_ports)
 		set_bit(VLAN_PORTS, &dev->def_vlan);
 
-	if (dev->get_port_pvid || dev->set_port_pvid)
+	if (ops->get_port_pvid || ops->set_port_pvid)
 		set_bit(PORT_PVID, &dev->def_port);
 
 	/* always present, can be no-op */
@@ -335,7 +339,7 @@ swconfig_send_multipart(struct swconfig_callback *cb, void *arg)
 			if (cb->close(cb, arg) < 0)
 				goto error;
 		}
-		err = genlmsg_unicast(cb->msg, info->snd_pid);
+		err = genlmsg_reply(cb->msg, info);
 		cb->msg = NULL;
 		if (err < 0)
 			goto error;
@@ -371,19 +375,19 @@ swconfig_list_attrs(struct sk_buff *skb, struct genl_info *info)
 
 	switch(hdr->cmd) {
 	case SWITCH_CMD_LIST_GLOBAL:
-		alist = &dev->attr_global;
+		alist = &dev->ops->attr_global;
 		def_list = default_global;
 		def_active = &dev->def_global;
 		n_def = ARRAY_SIZE(default_global);
 		break;
 	case SWITCH_CMD_LIST_VLAN:
-		alist = &dev->attr_vlan;
+		alist = &dev->ops->attr_vlan;
 		def_list = default_vlan;
 		def_active = &dev->def_vlan;
 		n_def = ARRAY_SIZE(default_vlan);
 		break;
 	case SWITCH_CMD_LIST_PORT:
-		alist = &dev->attr_port;
+		alist = &dev->ops->attr_port;
 		def_list = default_port;
 		def_active = &dev->def_port;
 		n_def = ARRAY_SIZE(default_port);
@@ -419,7 +423,7 @@ swconfig_list_attrs(struct sk_buff *skb, struct genl_info *info)
 	if (!cb.msg)
 		return 0;
 
-	return genlmsg_unicast(cb.msg, info->snd_pid);
+	return genlmsg_reply(cb.msg, info);
 
 error:
 	if (cb.msg)
@@ -449,14 +453,14 @@ swconfig_lookup_attr(struct switch_dev *dev, struct genl_info *info,
 	switch(hdr->cmd) {
 	case SWITCH_CMD_SET_GLOBAL:
 	case SWITCH_CMD_GET_GLOBAL:
-		alist = &dev->attr_global;
+		alist = &dev->ops->attr_global;
 		def_list = default_global;
 		def_active = &dev->def_global;
 		n_def = ARRAY_SIZE(default_global);
 		break;
 	case SWITCH_CMD_SET_VLAN:
 	case SWITCH_CMD_GET_VLAN:
-		alist = &dev->attr_vlan;
+		alist = &dev->ops->attr_vlan;
 		def_list = default_vlan;
 		def_active = &dev->def_vlan;
 		n_def = ARRAY_SIZE(default_vlan);
@@ -468,7 +472,7 @@ swconfig_lookup_attr(struct switch_dev *dev, struct genl_info *info,
 		break;
 	case SWITCH_CMD_SET_PORT:
 	case SWITCH_CMD_GET_PORT:
-		alist = &dev->attr_port;
+		alist = &dev->ops->attr_port;
 		def_list = default_port;
 		def_active = &dev->def_port;
 		n_def = ARRAY_SIZE(default_port);
@@ -732,7 +736,7 @@ swconfig_get_attr(struct sk_buff *skb, struct genl_info *info)
 		goto nla_put_failure;
 
 	swconfig_put_dev(dev);
-	return genlmsg_unicast(msg, info->snd_pid);
+	return genlmsg_reply(msg, info);
 
 nla_put_failure:
 	if (msg)
diff --git a/target/linux/generic/files/include/linux/switch.h b/target/linux/generic/files/include/linux/switch.h
index 25aedb83b..ef2dc3ad9 100644
--- a/target/linux/generic/files/include/linux/switch.h
+++ b/target/linux/generic/files/include/linux/switch.h
@@ -102,16 +102,50 @@ struct switch_attrlist;
 int register_switch(struct switch_dev *dev, struct net_device *netdev);
 void unregister_switch(struct switch_dev *dev);
 
+/**
+ * struct switch_attrlist - attribute list
+ *
+ * @n_attr: number of attributes
+ * @attr: pointer to the attributes array
+ */
 struct switch_attrlist {
-	/* filled in by the driver */
 	int n_attr;
 	const struct switch_attr *attr;
 };
 
+/**
+ * struct switch_dev_ops - switch driver operations
+ *
+ * @attr_global: global switch attribute list
+ * @attr_port: port attribute list
+ * @attr_vlan: vlan attribute list
+ *
+ * Callbacks:
+ *
+ * @get_vlan_ports: read the port list of a VLAN
+ * @set_vlan_ports: set the port list of a VLAN
+ *
+ * @get_port_pvid: get the primary VLAN ID of a port
+ * @set_port_pvid: set the primary VLAN ID of a port
+ *
+ * @apply_config: apply all changed settings to the switch
+ * @reset_switch: resetting the switch
+ */
+struct switch_dev_ops {
+	struct switch_attrlist attr_global, attr_port, attr_vlan;
+
+	int (*get_vlan_ports)(struct switch_dev *dev, struct switch_val *val);
+	int (*set_vlan_ports)(struct switch_dev *dev, struct switch_val *val);
+
+	int (*get_port_pvid)(struct switch_dev *dev, int port, int *val);
+	int (*set_port_pvid)(struct switch_dev *dev, int port, int val);
+
+	int (*apply_config)(struct switch_dev *dev);
+	int (*reset_switch)(struct switch_dev *dev);
+};
 
 struct switch_dev {
-	int id;
-	void *priv;
+	const struct switch_dev_ops *ops;
 	const char *name;
 
 	/* NB: either devname or netdev must be set */
@@ -121,19 +155,14 @@ struct switch_dev {
 	int ports;
 	int vlans;
 	int cpu_port;
-	struct switch_attrlist attr_global, attr_port, attr_vlan;
 
-	spinlock_t lock;
-	struct switch_port *portbuf;
+	/* the following fields are internal for swconfig */
+	int id;
 	struct list_head dev_list;
 	unsigned long def_global, def_port, def_vlan;
 
-	int (*get_vlan_ports)(struct switch_dev *dev, struct switch_val *val);
-	int (*set_vlan_ports)(struct switch_dev *dev, struct switch_val *val);
-	int (*get_port_pvid)(struct switch_dev *dev, int port, int *val);
-	int (*set_port_pvid)(struct switch_dev *dev, int port, int val);
-	int (*apply_config)(struct switch_dev *dev);
-	int (*reset_switch)(struct switch_dev *dev);
+	spinlock_t lock;
+	struct switch_port *portbuf;
 };
 
 struct switch_port {