net: dsa: ksz_common: sub-driver phylink ops

Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Link: https://lore.kernel.org/r/E1s0O7M-009gpw-Lj@rmk-PC.armlinux.org.ukSigned-off-by: Jakub Kicinski <kuba@kernel.org>

drivers/net/dsa/microchip/ksz8.h

@@ -54,9 +54,9 @@ int ksz8_reset_switch(struct ksz_device *dev);
 int ksz8_switch_init(struct ksz_device *dev);
 void ksz8_switch_exit(struct ksz_device *dev);
 int ksz8_change_mtu(struct ksz_device *dev, int port, int mtu);
-void ksz8_phylink_mac_link_up(struct ksz_device *dev, int port,
-			      unsigned int mode, phy_interface_t interface,
-			      struct phy_device *phydev, int speed, int duplex,
+void ksz8_phylink_mac_link_up(struct phylink_config *config,
+			      struct phy_device *phydev, unsigned int mode,
+			      phy_interface_t interface, int speed, int duplex,
 			      bool tx_pause, bool rx_pause);
 
 #endif

drivers/net/dsa/microchip/ksz8795.c

@@ -1702,11 +1702,15 @@ static void ksz8_cpu_port_link_up(struct ksz_device *dev, int speed, int duplex,
 		 SW_10_MBIT, ctrl);
 }
 
-void ksz8_phylink_mac_link_up(struct ksz_device *dev, int port,
-			      unsigned int mode, phy_interface_t interface,
-			      struct phy_device *phydev, int speed, int duplex,
+void ksz8_phylink_mac_link_up(struct phylink_config *config,
+			      struct phy_device *phydev, unsigned int mode,
+			      phy_interface_t interface, int speed, int duplex,
 			      bool tx_pause, bool rx_pause)
 {
+	struct dsa_port *dp = dsa_phylink_to_port(config);
+	struct ksz_device *dev = dp->ds->priv;
+	int port = dp->index;
+
 	/* If the port is the CPU port, apply special handling. Only the CPU
 	 * port is configured via global registers.
 	 */

drivers/net/dsa/microchip/ksz_common.c

@@ -253,6 +253,19 @@ static const struct ksz_drive_strength ksz8830_drive_strengths[] = {
 	{ KSZ8873_DRIVE_STRENGTH_16MA, 16000 },
 };
 
+static void ksz_phylink_mac_config(struct phylink_config *config,
+				   unsigned int mode,
+				   const struct phylink_link_state *state);
+static void ksz_phylink_mac_link_down(struct phylink_config *config,
+				      unsigned int mode,
+				      phy_interface_t interface);
+
+static const struct phylink_mac_ops ksz8_phylink_mac_ops = {
+	.mac_config	= ksz_phylink_mac_config,
+	.mac_link_down	= ksz_phylink_mac_link_down,
+	.mac_link_up	= ksz8_phylink_mac_link_up,
+};
+
 static const struct ksz_dev_ops ksz8_dev_ops = {
 	.setup = ksz8_setup,
 	.get_port_addr = ksz8_get_port_addr,
@@ -277,7 +290,6 @@ static const struct ksz_dev_ops ksz8_dev_ops = {
 	.mirror_add = ksz8_port_mirror_add,
 	.mirror_del = ksz8_port_mirror_del,
 	.get_caps = ksz8_get_caps,
-	.phylink_mac_link_up = ksz8_phylink_mac_link_up,
 	.config_cpu_port = ksz8_config_cpu_port,
 	.enable_stp_addr = ksz8_enable_stp_addr,
 	.reset = ksz8_reset_switch,
@@ -286,13 +298,19 @@ static const struct ksz_dev_ops ksz8_dev_ops = {
 	.change_mtu = ksz8_change_mtu,
 };
 
-static void ksz9477_phylink_mac_link_up(struct ksz_device *dev, int port,
+static void ksz9477_phylink_mac_link_up(struct phylink_config *config,
+					struct phy_device *phydev,
 					unsigned int mode,
 					phy_interface_t interface,
-					struct phy_device *phydev, int speed,
-					int duplex, bool tx_pause,
+					int speed, int duplex, bool tx_pause,
 					bool rx_pause);
 
+static const struct phylink_mac_ops ksz9477_phylink_mac_ops = {
+	.mac_config	= ksz_phylink_mac_config,
+	.mac_link_down	= ksz_phylink_mac_link_down,
+	.mac_link_up	= ksz9477_phylink_mac_link_up,
+};
+
 static const struct ksz_dev_ops ksz9477_dev_ops = {
 	.setup = ksz9477_setup,
 	.get_port_addr = ksz9477_get_port_addr,
@@ -319,7 +337,6 @@ static const struct ksz_dev_ops ksz9477_dev_ops = {
 	.mdb_add = ksz9477_mdb_add,
 	.mdb_del = ksz9477_mdb_del,
 	.change_mtu = ksz9477_change_mtu,
-	.phylink_mac_link_up = ksz9477_phylink_mac_link_up,
 	.get_wol = ksz9477_get_wol,
 	.set_wol = ksz9477_set_wol,
 	.wol_pre_shutdown = ksz9477_wol_pre_shutdown,
@@ -331,6 +348,12 @@ static const struct ksz_dev_ops ksz9477_dev_ops = {
 	.exit = ksz9477_switch_exit,
 };
 
+static const struct phylink_mac_ops lan937x_phylink_mac_ops = {
+	.mac_config	= ksz_phylink_mac_config,
+	.mac_link_down	= ksz_phylink_mac_link_down,
+	.mac_link_up	= ksz9477_phylink_mac_link_up,
+};
+
 static const struct ksz_dev_ops lan937x_dev_ops = {
 	.setup = lan937x_setup,
 	.teardown = lan937x_teardown,
@@ -359,7 +382,6 @@ static const struct ksz_dev_ops lan937x_dev_ops = {
 	.mdb_add = ksz9477_mdb_add,
 	.mdb_del = ksz9477_mdb_del,
 	.change_mtu = lan937x_change_mtu,
-	.phylink_mac_link_up = ksz9477_phylink_mac_link_up,
 	.config_cpu_port = lan937x_config_cpu_port,
 	.tc_cbs_set_cinc = lan937x_tc_cbs_set_cinc,
 	.enable_stp_addr = ksz9477_enable_stp_addr,
@@ -1197,6 +1219,7 @@ const struct ksz_chip_data ksz_switch_chips[] = {
 		.tc_cbs_supported = true,
 		.tc_ets_supported = true,
 		.ops = &ksz9477_dev_ops,
+		.phylink_mac_ops = &ksz9477_phylink_mac_ops,
 		.mib_names = ksz9477_mib_names,
 		.mib_cnt = ARRAY_SIZE(ksz9477_mib_names),
 		.reg_mib_cnt = MIB_COUNTER_NUM,
@@ -1224,6 +1247,7 @@ const struct ksz_chip_data ksz_switch_chips[] = {
 		.port_cnt = 5,		/* total cpu and user ports */
 		.num_tx_queues = 4,
 		.ops = &ksz8_dev_ops,
+		.phylink_mac_ops = &ksz8_phylink_mac_ops,
 		.ksz87xx_eee_link_erratum = true,
 		.mib_names = ksz9477_mib_names,
 		.mib_cnt = ARRAY_SIZE(ksz9477_mib_names),
@@ -1263,6 +1287,7 @@ const struct ksz_chip_data ksz_switch_chips[] = {
 		.port_cnt = 5,		/* total cpu and user ports */
 		.num_tx_queues = 4,
 		.ops = &ksz8_dev_ops,
+		.phylink_mac_ops = &ksz8_phylink_mac_ops,
 		.ksz87xx_eee_link_erratum = true,
 		.mib_names = ksz9477_mib_names,
 		.mib_cnt = ARRAY_SIZE(ksz9477_mib_names),
@@ -1288,6 +1313,7 @@ const struct ksz_chip_data ksz_switch_chips[] = {
 		.port_cnt = 5,		/* total cpu and user ports */
 		.num_tx_queues = 4,
 		.ops = &ksz8_dev_ops,
+		.phylink_mac_ops = &ksz8_phylink_mac_ops,
 		.ksz87xx_eee_link_erratum = true,
 		.mib_names = ksz9477_mib_names,
 		.mib_cnt = ARRAY_SIZE(ksz9477_mib_names),
@@ -1313,6 +1339,7 @@ const struct ksz_chip_data ksz_switch_chips[] = {
 		.port_cnt = 3,
 		.num_tx_queues = 4,
 		.ops = &ksz8_dev_ops,
+		.phylink_mac_ops = &ksz8_phylink_mac_ops,
 		.mib_names = ksz88xx_mib_names,
 		.mib_cnt = ARRAY_SIZE(ksz88xx_mib_names),
 		.reg_mib_cnt = MIB_COUNTER_NUM,
@@ -1339,6 +1366,7 @@ const struct ksz_chip_data ksz_switch_chips[] = {
 		.tc_cbs_supported = true,
 		.tc_ets_supported = true,
 		.ops = &ksz9477_dev_ops,
+		.phylink_mac_ops = &ksz9477_phylink_mac_ops,
 		.mib_names = ksz9477_mib_names,
 		.mib_cnt = ARRAY_SIZE(ksz9477_mib_names),
 		.reg_mib_cnt = MIB_COUNTER_NUM,
@@ -1371,6 +1399,7 @@ const struct ksz_chip_data ksz_switch_chips[] = {
 		.port_nirqs = 2,
 		.num_tx_queues = 4,
 		.ops = &ksz9477_dev_ops,
+		.phylink_mac_ops = &ksz9477_phylink_mac_ops,
 		.mib_names = ksz9477_mib_names,
 		.mib_cnt = ARRAY_SIZE(ksz9477_mib_names),
 		.reg_mib_cnt = MIB_COUNTER_NUM,
@@ -1403,6 +1432,7 @@ const struct ksz_chip_data ksz_switch_chips[] = {
 		.port_nirqs = 2,
 		.num_tx_queues = 4,
 		.ops = &ksz9477_dev_ops,
+		.phylink_mac_ops = &ksz9477_phylink_mac_ops,
 		.mib_names = ksz9477_mib_names,
 		.mib_cnt = ARRAY_SIZE(ksz9477_mib_names),
 		.reg_mib_cnt = MIB_COUNTER_NUM,
@@ -1433,6 +1463,7 @@ const struct ksz_chip_data ksz_switch_chips[] = {
 		.port_nirqs = 2,
 		.num_tx_queues = 4,
 		.ops = &ksz9477_dev_ops,
+		.phylink_mac_ops = &ksz9477_phylink_mac_ops,
 		.mib_names = ksz9477_mib_names,
 		.mib_cnt = ARRAY_SIZE(ksz9477_mib_names),
 		.reg_mib_cnt = MIB_COUNTER_NUM,
@@ -1461,6 +1492,7 @@ const struct ksz_chip_data ksz_switch_chips[] = {
 		.tc_cbs_supported = true,
 		.tc_ets_supported = true,
 		.ops = &ksz9477_dev_ops,
+		.phylink_mac_ops = &ksz9477_phylink_mac_ops,
 		.mib_names = ksz9477_mib_names,
 		.mib_cnt = ARRAY_SIZE(ksz9477_mib_names),
 		.reg_mib_cnt = MIB_COUNTER_NUM,
@@ -1489,6 +1521,7 @@ const struct ksz_chip_data ksz_switch_chips[] = {
 		.tc_cbs_supported = true,
 		.tc_ets_supported = true,
 		.ops = &ksz9477_dev_ops,
+		.phylink_mac_ops = &ksz9477_phylink_mac_ops,
 		.mib_names = ksz9477_mib_names,
 		.mib_cnt = ARRAY_SIZE(ksz9477_mib_names),
 		.reg_mib_cnt = MIB_COUNTER_NUM,
@@ -1554,6 +1587,7 @@ const struct ksz_chip_data ksz_switch_chips[] = {
 		.tc_cbs_supported = true,
 		.tc_ets_supported = true,
 		.ops = &lan937x_dev_ops,
+		.phylink_mac_ops = &lan937x_phylink_mac_ops,
 		.mib_names = ksz9477_mib_names,
 		.mib_cnt = ARRAY_SIZE(ksz9477_mib_names),
 		.reg_mib_cnt = MIB_COUNTER_NUM,
@@ -1581,6 +1615,7 @@ const struct ksz_chip_data ksz_switch_chips[] = {
 		.tc_cbs_supported = true,
 		.tc_ets_supported = true,
 		.ops = &lan937x_dev_ops,
+		.phylink_mac_ops = &lan937x_phylink_mac_ops,
 		.mib_names = ksz9477_mib_names,
 		.mib_cnt = ARRAY_SIZE(ksz9477_mib_names),
 		.reg_mib_cnt = MIB_COUNTER_NUM,
@@ -1608,6 +1643,7 @@ const struct ksz_chip_data ksz_switch_chips[] = {
 		.tc_cbs_supported = true,
 		.tc_ets_supported = true,
 		.ops = &lan937x_dev_ops,
+		.phylink_mac_ops = &lan937x_phylink_mac_ops,
 		.mib_names = ksz9477_mib_names,
 		.mib_cnt = ARRAY_SIZE(ksz9477_mib_names),
 		.reg_mib_cnt = MIB_COUNTER_NUM,
@@ -1639,6 +1675,7 @@ const struct ksz_chip_data ksz_switch_chips[] = {
 		.tc_cbs_supported = true,
 		.tc_ets_supported = true,
 		.ops = &lan937x_dev_ops,
+		.phylink_mac_ops = &lan937x_phylink_mac_ops,
 		.mib_names = ksz9477_mib_names,
 		.mib_cnt = ARRAY_SIZE(ksz9477_mib_names),
 		.reg_mib_cnt = MIB_COUNTER_NUM,
@@ -1670,6 +1707,7 @@ const struct ksz_chip_data ksz_switch_chips[] = {
 		.tc_cbs_supported = true,
 		.tc_ets_supported = true,
 		.ops = &lan937x_dev_ops,
+		.phylink_mac_ops = &lan937x_phylink_mac_ops,
 		.mib_names = ksz9477_mib_names,
 		.mib_cnt = ARRAY_SIZE(ksz9477_mib_names),
 		.reg_mib_cnt = MIB_COUNTER_NUM,
@@ -3187,13 +3225,16 @@ static void ksz_duplex_flowctrl(struct ksz_device *dev, int port, int duplex,
 	ksz_prmw8(dev, port, regs[P_XMII_CTRL_0], mask, val);
 }
 
-static void ksz9477_phylink_mac_link_up(struct ksz_device *dev, int port,
+static void ksz9477_phylink_mac_link_up(struct phylink_config *config,
+					struct phy_device *phydev,
 					unsigned int mode,
 					phy_interface_t interface,
-					struct phy_device *phydev, int speed,
-					int duplex, bool tx_pause,
+					int speed, int duplex, bool tx_pause,
 					bool rx_pause)
 {
+	struct dsa_port *dp = dsa_phylink_to_port(config);
+	struct ksz_device *dev = dp->ds->priv;
+	int port = dp->index;
 	struct ksz_port *p;
 
 	p = &dev->ports[port];
@@ -3209,21 +3250,6 @@ static void ksz9477_phylink_mac_link_up(struct ksz_device *dev, int port,
 	ksz_duplex_flowctrl(dev, port, duplex, tx_pause, rx_pause);
 }
 
-static void ksz_phylink_mac_link_up(struct phylink_config *config,
-				    struct phy_device *phydev,
-				    unsigned int mode,
-				    phy_interface_t interface,
-				    int speed, int duplex, bool tx_pause,
-				    bool rx_pause)
-{
-	struct dsa_port *dp = dsa_phylink_to_port(config);
-	struct ksz_device *dev = dp->ds->priv;
-
-	dev->dev_ops->phylink_mac_link_up(dev, dp->index, mode, interface,
-					  phydev, speed, duplex, tx_pause,
-					  rx_pause);
-}
-
 static int ksz_switch_detect(struct ksz_device *dev)
 {
 	u8 id1, id2, id4;
@@ -3875,12 +3901,6 @@ static int ksz_hsr_leave(struct dsa_switch *ds, int port,
 	return 0;
 }
 
-static const struct phylink_mac_ops ksz_phylink_mac_ops = {
-	.mac_config	= ksz_phylink_mac_config,
-	.mac_link_down	= ksz_phylink_mac_link_down,
-	.mac_link_up	= ksz_phylink_mac_link_up,
-};
-
 static const struct dsa_switch_ops ksz_switch_ops = {
 	.get_tag_protocol	= ksz_get_tag_protocol,
 	.connect_tag_protocol   = ksz_connect_tag_protocol,
@@ -3945,7 +3965,6 @@ struct ksz_device *ksz_switch_alloc(struct device *base, void *priv)
 	ds->dev = base;
 	ds->num_ports = DSA_MAX_PORTS;
 	ds->ops = &ksz_switch_ops;
-	ds->phylink_mac_ops = &ksz_phylink_mac_ops;
 
 	swdev = devm_kzalloc(base, sizeof(*swdev), GFP_KERNEL);
 	if (!swdev)
@@ -4335,6 +4354,9 @@ int ksz_switch_register(struct ksz_device *dev)
 	/* set the real number of ports */
 	dev->ds->num_ports = dev->info->port_cnt;
 
+	/* set the phylink ops */
+	dev->ds->phylink_mac_ops = dev->info->phylink_mac_ops;
+
 	/* Host port interface will be self detected, or specifically set in
 	 * device tree.
 	 */

drivers/net/dsa/microchip/ksz_common.h

@@ -22,6 +22,7 @@
 
 struct ksz_device;
 struct ksz_port;
+struct phylink_mac_ops;
 
 enum ksz_regmap_width {
 	KSZ_REGMAP_8,
@@ -61,6 +62,7 @@ struct ksz_chip_data {
 	bool tc_cbs_supported;
 	bool tc_ets_supported;
 	const struct ksz_dev_ops *ops;
+	const struct phylink_mac_ops *phylink_mac_ops;
 	bool ksz87xx_eee_link_erratum;
 	const struct ksz_mib_names *mib_names;
 	int mib_cnt;