svn commit: r319498 - head/sys/dev/etherswitch/e6000sw

Luiz Otavio O Souza loos at FreeBSD.org
Fri Jun 2 15:12:33 UTC 2017


Author: loos
Date: Fri Jun  2 15:12:32 2017
New Revision: 319498
URL: https://svnweb.freebsd.org/changeset/base/319498

Log:
  style(9) fixes, remove unnecessary headers, remove duplicate #defines and
  in some cases, shuffle the code around to simplify locking.
  
  No functional changes.
  
  Sponsored by:	Rubicon Communications, LLC (Netgate)

Modified:
  head/sys/dev/etherswitch/e6000sw/e6000sw.c
  head/sys/dev/etherswitch/e6000sw/e6000swreg.h

Modified: head/sys/dev/etherswitch/e6000sw/e6000sw.c
==============================================================================
--- head/sys/dev/etherswitch/e6000sw/e6000sw.c	Fri Jun  2 15:11:43 2017	(r319497)
+++ head/sys/dev/etherswitch/e6000sw/e6000sw.c	Fri Jun  2 15:12:32 2017	(r319498)
@@ -28,40 +28,25 @@
 #include <sys/cdefs.h>
 __FBSDID("$FreeBSD$");
 
-#include <sys/types.h>
 #include <sys/param.h>
-#include <sys/systm.h>
-#include <sys/sockio.h>
+#include <sys/bus.h>
+#include <sys/errno.h>
 #include <sys/kernel.h>
 #include <sys/kthread.h>
-#include <sys/socket.h>
 #include <sys/module.h>
-#include <sys/errno.h>
-#include <sys/bus.h>
-#include <sys/conf.h>
-#include <sys/uio.h>
-#include <sys/fcntl.h>
+#include <sys/socket.h>
+#include <sys/sockio.h>
 
 #include <net/if.h>
 #include <net/if_media.h>
 #include <net/if_types.h>
 
-#include <machine/bus.h>
-#include <machine/resource.h>
-
-#include <arm/mv/mvwin.h>
-#include <arm/mv/mvreg.h>
-#include <arm/mv/mvvar.h>
-
 #include <dev/etherswitch/etherswitch.h>
-#include <dev/mdio/mdio.h>
 #include <dev/mii/mii.h>
 #include <dev/mii/miivar.h>
-#include <dev/mge/if_mgevar.h>
 
 #include <dev/fdt/fdt_common.h>
 #include <dev/ofw/ofw_bus.h>
-#include <dev/ofw/ofw_bus_subr.h>
 
 #include "e6000swreg.h"
 #include "etherswitch_if.h"
@@ -71,14 +56,10 @@ __FBSDID("$FreeBSD$");
 MALLOC_DECLARE(M_E6000SW);
 MALLOC_DEFINE(M_E6000SW, "e6000sw", "e6000sw switch");
 
-#define E6000SW_LOCK(_sc)			\
-	    sx_xlock(&(_sc)->sx)
-#define E6000SW_UNLOCK(_sc)			\
-	    sx_unlock(&(_sc)->sx)
-#define E6000SW_LOCK_ASSERT(_sc, _what)		\
-	    sx_assert(&(_sc)->sx, (_what))
-#define E6000SW_TRYLOCK(_sc)			\
-	    sx_tryxlock(&(_sc)->sx)
+#define	E6000SW_LOCK(_sc)		sx_xlock(&(_sc)->sx)
+#define	E6000SW_UNLOCK(_sc)		sx_unlock(&(_sc)->sx)
+#define	E6000SW_LOCK_ASSERT(_sc, _what)	sx_assert(&(_sc)->sx, (_what))
+#define	E6000SW_TRYLOCK(_sc)		sx_tryxlock(&(_sc)->sx)
 
 typedef struct e6000sw_softc {
 	device_t		dev;
@@ -108,46 +89,43 @@ static etherswitch_info_t etherswitch_info = {
 	.es_name =		"Marvell 6000 series switch"
 };
 
-static void e6000sw_identify(driver_t *driver, device_t parent);
-static int e6000sw_probe(device_t dev);
-static int e6000sw_attach(device_t dev);
-static int e6000sw_detach(device_t dev);
-static int e6000sw_readphy(device_t dev, int phy, int reg);
-static int e6000sw_writephy(device_t dev, int phy, int reg, int data);
-static etherswitch_info_t* e6000sw_getinfo(device_t dev);
-static void e6000sw_lock(device_t dev);
-static void e6000sw_unlock(device_t dev);
-static int e6000sw_getport(device_t dev, etherswitch_port_t *p);
-static int e6000sw_setport(device_t dev, etherswitch_port_t *p);
-static int e6000sw_readreg_wrapper(device_t dev, int addr_reg);
-static int e6000sw_writereg_wrapper(device_t dev, int addr_reg, int val);
-static int e6000sw_readphy_wrapper(device_t dev, int phy, int reg);
-static int e6000sw_writephy_wrapper(device_t dev, int phy, int reg, int data);
-static int e6000sw_getvgroup_wrapper(device_t dev, etherswitch_vlangroup_t *vg);
-static int e6000sw_setvgroup_wrapper(device_t dev, etherswitch_vlangroup_t *vg);
-static int e6000sw_setvgroup(device_t dev, etherswitch_vlangroup_t *vg);
-static int e6000sw_getvgroup(device_t dev, etherswitch_vlangroup_t *vg);
-static void e6000sw_setup(device_t dev, e6000sw_softc_t *sc);
-static void e6000sw_port_vlan_conf(e6000sw_softc_t *sc);
-static void e6000sw_tick(void *arg);
-static void e6000sw_set_atustat(device_t dev, e6000sw_softc_t *sc, int bin,
-    int flag);
-static int e6000sw_atu_flush(device_t dev, e6000sw_softc_t *sc, int flag);
-static __inline void e6000sw_writereg(e6000sw_softc_t *sc, int addr, int reg,
-    int val);
-static __inline uint32_t e6000sw_readreg(e6000sw_softc_t *sc, int addr,
-    int reg);
-static int e6000sw_ifmedia_upd(struct ifnet *ifp);
-static void e6000sw_ifmedia_sts(struct ifnet *ifp, struct ifmediareq *ifmr);
-static int e6000sw_atu_mac_table(device_t dev, e6000sw_softc_t *sc, struct
-    atu_opt *atu, int flag);
-static int e6000sw_get_pvid(e6000sw_softc_t *sc, int port, int *pvid);
-static int e6000sw_set_pvid(e6000sw_softc_t *sc, int port, int pvid);
-static __inline int e6000sw_is_cpuport(e6000sw_softc_t *sc, int port);
-static __inline int e6000sw_is_fixedport(e6000sw_softc_t *sc, int port);
-static __inline int e6000sw_is_phyport(e6000sw_softc_t *sc, int port);
-static __inline struct mii_data *e6000sw_miiforphy(e6000sw_softc_t *sc,
-    unsigned int phy);
+static void e6000sw_identify(driver_t *, device_t);
+static int e6000sw_probe(device_t);
+static int e6000sw_attach(device_t);
+static int e6000sw_detach(device_t);
+static int e6000sw_readphy(device_t, int, int);
+static int e6000sw_writephy(device_t, int, int, int);
+static etherswitch_info_t* e6000sw_getinfo(device_t);
+static void e6000sw_lock(device_t);
+static void e6000sw_unlock(device_t);
+static int e6000sw_getport(device_t, etherswitch_port_t *);
+static int e6000sw_setport(device_t, etherswitch_port_t *);
+static int e6000sw_readreg_wrapper(device_t, int);
+static int e6000sw_writereg_wrapper(device_t, int, int);
+static int e6000sw_readphy_wrapper(device_t, int, int);
+static int e6000sw_writephy_wrapper(device_t, int, int, int);
+static int e6000sw_getvgroup_wrapper(device_t, etherswitch_vlangroup_t *);
+static int e6000sw_setvgroup_wrapper(device_t, etherswitch_vlangroup_t *);
+static int e6000sw_setvgroup(device_t, etherswitch_vlangroup_t *);
+static int e6000sw_getvgroup(device_t, etherswitch_vlangroup_t *);
+static void e6000sw_setup(device_t, e6000sw_softc_t *);
+static void e6000sw_port_vlan_conf(e6000sw_softc_t *);
+static void e6000sw_tick(void *);
+static void e6000sw_set_atustat(device_t, e6000sw_softc_t *, int, int);
+static int e6000sw_atu_flush(device_t, e6000sw_softc_t *, int);
+static __inline void e6000sw_writereg(e6000sw_softc_t *, int, int, int);
+static __inline uint32_t e6000sw_readreg(e6000sw_softc_t *, int, int);
+static int e6000sw_ifmedia_upd(struct ifnet *);
+static void e6000sw_ifmedia_sts(struct ifnet *, struct ifmediareq *);
+static int e6000sw_atu_mac_table(device_t, e6000sw_softc_t *, struct atu_opt *,
+    int);
+static int e6000sw_get_pvid(e6000sw_softc_t *, int, int *);
+static int e6000sw_set_pvid(e6000sw_softc_t *, int, int);
+static __inline int e6000sw_is_cpuport(e6000sw_softc_t *, int);
+static __inline int e6000sw_is_fixedport(e6000sw_softc_t *, int);
+static __inline int e6000sw_is_phyport(e6000sw_softc_t *, int);
+static __inline struct mii_data *e6000sw_miiforphy(e6000sw_softc_t *,
+    unsigned int);
 
 static device_method_t e6000sw_methods[] = {
 	/* device interface */
@@ -190,14 +168,17 @@ DRIVER_MODULE(etherswitch, e6000sw, etherswitch_driver
 DRIVER_MODULE(miibus, e6000sw, miibus_driver, miibus_devclass, 0, 0);
 MODULE_DEPEND(e6000sw, mdio, 1, 1, 1);
 
-#define SMI_CMD 0
-#define SMI_CMD_BUSY	(1<<15)
-#define SMI_CMD_OP_READ	((2<<10)|SMI_CMD_BUSY|(1<<12))
-#define SMI_CMD_OP_WRITE	((1<<10)|SMI_CMD_BUSY|(1<<12))
-#define SMI_DATA	1
+#define	SMI_CMD			0
+#define	SMI_CMD_BUSY		(1 << 15)
+#define	SMI_CMD_OP_READ		((2 << 10) | SMI_CMD_BUSY | (1 << 12))
+#define	SMI_CMD_OP_WRITE	((1 << 10) | SMI_CMD_BUSY | (1 << 12))
+#define	SMI_DATA		1
 
-#define MDIO_READ(dev, addr, reg) MDIO_READREG(device_get_parent(dev), (addr), (reg))
-#define MDIO_WRITE(dev, addr, reg, val) MDIO_WRITEREG(device_get_parent(dev), (addr), (reg), (val))
+#define	MDIO_READ(dev, addr, reg)					\
+	MDIO_READREG(device_get_parent(dev), (addr), (reg))
+#define	MDIO_WRITE(dev, addr, reg, val)					\
+	MDIO_WRITEREG(device_get_parent(dev), (addr), (reg), (val))
+
 static void
 e6000sw_identify(driver_t *driver, device_t parent)
 {
@@ -211,8 +192,8 @@ e6000sw_probe(device_t dev)
 {
 	e6000sw_softc_t *sc;
 	const char *description;
-	unsigned int id;
 	phandle_t dsa_node, switch_node;
+	uint32_t id;
 
 	dsa_node = fdt_find_compatible(OF_finddevice("/"),
 	    "marvell,dsa", 0);
@@ -235,8 +216,8 @@ e6000sw_probe(device_t dev)
 	/* Lock is necessary due to assertions. */
 	sx_init(&sc->sx, "e6000sw");
 	E6000SW_LOCK(sc);
-
 	id = e6000sw_readreg(sc, REG_PORT(0), SWITCH_ID);
+	E6000SW_UNLOCK(sc);
 
 	switch (id & 0xfff0) {
 	case 0x3520:
@@ -249,7 +230,6 @@ e6000sw_probe(device_t dev)
 		description = "Marvell 88E6176";
 		break;
 	default:
-		E6000SW_UNLOCK(sc);
 		sx_destroy(&sc->sx);
 		device_printf(dev, "Unrecognized device, id 0x%x.\n", id);
 		return (ENXIO);
@@ -257,8 +237,6 @@ e6000sw_probe(device_t dev)
 
 	device_set_desc(dev, description);
 
-	E6000SW_UNLOCK(sc);
-
 	return (BUS_PROBE_DEFAULT);
 }
 
@@ -433,9 +411,9 @@ e6000sw_poll_done(e6000sw_softc_t *sc)
 {
 	int i;
 
-	for (i = 0; i < 16; i++) {
+	for (i = 0; i < E6000SW_SMI_TIMEOUT; i++) {
 
-		if (!(e6000sw_readreg(sc, REG_GLOBAL2, PHY_CMD) &
+		if (!(e6000sw_readreg(sc, REG_GLOBAL2, SMI_PHY_CMD_REG) &
 		    (1 << PHY_CMD_SMI_BUSY)))
 			return (0);
 
@@ -457,8 +435,6 @@ e6000sw_readphy(device_t dev, int phy, int reg)
 	int err;
 
 	sc = device_get_softc(dev);
-	val = 0;
-
 	if (!e6000sw_is_phyport(sc, phy) || reg >= E6000SW_NUM_PHY_REGS) {
 		device_printf(dev, "Wrong register address.\n");
 		return (EINVAL);
@@ -472,7 +448,7 @@ e6000sw_readphy(device_t dev, int phy, int reg)
 		return (err);
 	}
 
-	val |= 1 << PHY_CMD_SMI_BUSY;
+	val = 1 << PHY_CMD_SMI_BUSY;
 	val |= PHY_CMD_MODE_MDIO << PHY_CMD_MODE;
 	val |= PHY_CMD_OPCODE_READ << PHY_CMD_OPCODE;
 	val |= (reg << PHY_CMD_REG_ADDR) & PHY_CMD_REG_ADDR_MASK;
@@ -485,10 +461,9 @@ e6000sw_readphy(device_t dev, int phy, int reg)
 		return (err);
 	}
 
-	val = e6000sw_readreg(sc, REG_GLOBAL2, SMI_PHY_DATA_REG)
-		& PHY_DATA_MASK;
+	val = e6000sw_readreg(sc, REG_GLOBAL2, SMI_PHY_DATA_REG);
 
-	return (val);
+	return (val & PHY_DATA_MASK);
 }
 
 static int
@@ -499,8 +474,6 @@ e6000sw_writephy(device_t dev, int phy, int reg, int d
 	int err;
 
 	sc = device_get_softc(dev);
-	val = 0;
-
 	if (!e6000sw_is_phyport(sc, phy) || reg >= E6000SW_NUM_PHY_REGS) {
 		device_printf(dev, "Wrong register address.\n");
 		return (EINVAL);
@@ -514,22 +487,20 @@ e6000sw_writephy(device_t dev, int phy, int reg, int d
 		return (err);
 	}
 
+	val = 1 << PHY_CMD_SMI_BUSY;
 	val |= PHY_CMD_MODE_MDIO << PHY_CMD_MODE;
-	val |= 1 << PHY_CMD_SMI_BUSY;
 	val |= PHY_CMD_OPCODE_WRITE << PHY_CMD_OPCODE;
 	val |= (reg << PHY_CMD_REG_ADDR) & PHY_CMD_REG_ADDR_MASK;
 	val |= (phy << PHY_CMD_DEV_ADDR) & PHY_CMD_DEV_ADDR_MASK;
 	e6000sw_writereg(sc, REG_GLOBAL2, SMI_PHY_DATA_REG,
-			 data & PHY_DATA_MASK);
+	    data & PHY_DATA_MASK);
 	e6000sw_writereg(sc, REG_GLOBAL2, SMI_PHY_CMD_REG, val);
 
 	err = e6000sw_poll_done(sc);
-	if (err != 0) {
+	if (err != 0)
 		device_printf(dev, "Timeout while waiting for switch\n");
-		return (err);
-	}
 
-	return (0);
+	return (err);
 }
 
 static int
@@ -589,18 +560,14 @@ e6000sw_getport(device_t dev, etherswitch_port_t *p)
 	int err;
 	struct ifmediareq *ifmr;
 
-	err = 0;
 	e6000sw_softc_t *sc = device_get_softc(dev);
 	E6000SW_LOCK_ASSERT(sc, SA_UNLOCKED);
 
-	E6000SW_LOCK(sc);
+	if (p->es_port >= sc->num_ports || p->es_port < 0)
+		return (EINVAL);
 
-	if (p->es_port >= sc->num_ports ||
-	    p->es_port < 0) {
-		err = EINVAL;
-		goto out;
-	}
-
+	err = 0;
+	E6000SW_LOCK(sc);
 	e6000sw_get_pvid(sc, p->es_port, &p->es_pvid);
 
 	if (e6000sw_is_cpuport(sc, p->es_port)) {
@@ -623,9 +590,8 @@ e6000sw_getport(device_t dev, etherswitch_port_t *p)
 		err = ifmedia_ioctl(mii->mii_ifp, &p->es_ifr,
 		    &mii->mii_media, SIOCGIFMEDIA);
 	}
-
-out:
 	E6000SW_UNLOCK(sc);
+
 	return (err);
 }
 
@@ -636,18 +602,14 @@ e6000sw_setport(device_t dev, etherswitch_port_t *p)
 	int err;
 	struct mii_data *mii;
 
-	err = 0;
 	sc = device_get_softc(dev);
 	E6000SW_LOCK_ASSERT(sc, SA_UNLOCKED);
 
-	E6000SW_LOCK(sc);
+	if (p->es_port >= sc->num_ports || p->es_port < 0)
+		return (EINVAL);
 
-	if (p->es_port >= sc->num_ports ||
-	    p->es_port < 0) {
-		err = EINVAL;
-		goto out;
-	}
-
+	err = 0;
+	E6000SW_LOCK(sc);
 	if (p->es_pvid != 0)
 		e6000sw_set_pvid(sc, p->es_port, p->es_pvid);
 	if (!e6000sw_is_cpuport(sc, p->es_port)) {
@@ -655,9 +617,8 @@ e6000sw_setport(device_t dev, etherswitch_port_t *p)
 		err = ifmedia_ioctl(mii->mii_ifp, &p->es_ifr, &mii->mii_media,
 		    SIOCSIFMEDIA);
 	}
-
-out:
 	E6000SW_UNLOCK(sc);
+
 	return (err);
 }
 
@@ -773,12 +734,10 @@ e6000sw_flush_port(e6000sw_softc_t *sc, int port)
 {
 	uint32_t reg;
 
-	reg = e6000sw_readreg(sc, REG_PORT(port),
-	    PORT_VLAN_MAP);
+	reg = e6000sw_readreg(sc, REG_PORT(port), PORT_VLAN_MAP);
 	reg &= ~PORT_VLAN_MAP_TABLE_MASK;
 	reg &= ~PORT_VLAN_MAP_FID_MASK;
-	e6000sw_writereg(sc, REG_PORT(port),
-	    PORT_VLAN_MAP, reg);
+	e6000sw_writereg(sc, REG_PORT(port), PORT_VLAN_MAP, reg);
 	if (sc->vgroup[port] != E6000SW_PORT_NO_VGROUP) {
 		/*
 		 * If port belonged somewhere, owner-group
@@ -795,14 +754,12 @@ e6000sw_port_assign_vgroup(e6000sw_softc_t *sc, int po
 {
 	uint32_t reg;
 
-	reg = e6000sw_readreg(sc, REG_PORT(port),
-	    PORT_VLAN_MAP);
+	reg = e6000sw_readreg(sc, REG_PORT(port), PORT_VLAN_MAP);
 	reg &= ~PORT_VLAN_MAP_TABLE_MASK;
 	reg &= ~PORT_VLAN_MAP_FID_MASK;
 	reg |= members & ~(1 << port);
 	reg |= (fid << PORT_VLAN_MAP_FID) & PORT_VLAN_MAP_FID_MASK;
-	e6000sw_writereg(sc, REG_PORT(port), PORT_VLAN_MAP,
-	    reg);
+	e6000sw_writereg(sc, REG_PORT(port), PORT_VLAN_MAP, reg);
 	sc->vgroup[port] = vgroup;
 }
 
@@ -897,19 +854,18 @@ e6000sw_ifmedia_sts(struct ifnet *ifp, struct ifmediar
 	ifmr->ifm_status = mii->mii_media_status;
 }
 
-
 static int
 e6000sw_smi_waitready(e6000sw_softc_t *sc, int phy)
 {
 	int i;
 
 	for (i = 0; i < E6000SW_SMI_TIMEOUT; i++) {
-		if ((MDIO_READ(sc->dev, phy, SMI_CMD)
-		     & SMI_CMD_BUSY) == 0)
-			return 0;
+		if ((MDIO_READ(sc->dev, phy, SMI_CMD) & SMI_CMD_BUSY) == 0)
+			return (0);
+		DELAY(1);
 	}
 
-	return 1;
+	return (1);
 }
 
 static __inline uint32_t
@@ -925,8 +881,8 @@ e6000sw_readreg(e6000sw_softc_t *sc, int addr, int reg
 		printf("e6000sw: readreg timeout\n");
 		return (0xffff);
 	}
-	MDIO_WRITE(sc->dev, sc->sw_addr, SMI_CMD, SMI_CMD_OP_READ |
-		   (addr << 5) | reg);
+	MDIO_WRITE(sc->dev, sc->sw_addr, SMI_CMD,
+	    SMI_CMD_OP_READ | (addr << 5) | reg);
 	if (e6000sw_smi_waitready(sc, sc->sw_addr)) {
 		printf("e6000sw: readreg timeout\n");
 		return (0xffff);
@@ -951,14 +907,12 @@ e6000sw_writereg(e6000sw_softc_t *sc, int addr, int re
 		return;
 	}
 	MDIO_WRITE(sc->dev, sc->sw_addr, SMI_DATA, val);
-	MDIO_WRITE(sc->dev, sc->sw_addr, SMI_CMD, SMI_CMD_OP_WRITE |
-		   (addr << 5) | reg);
+	MDIO_WRITE(sc->dev, sc->sw_addr, SMI_CMD,
+	    SMI_CMD_OP_WRITE | (addr << 5) | reg);
 	if (e6000sw_smi_waitready(sc, sc->sw_addr)) {
 		printf("e6000sw: readreg timeout\n");
 		return;
 	}
-
-	return;
 }
 
 static __inline int

Modified: head/sys/dev/etherswitch/e6000sw/e6000swreg.h
==============================================================================
--- head/sys/dev/etherswitch/e6000sw/e6000swreg.h	Fri Jun  2 15:11:43 2017	(r319497)
+++ head/sys/dev/etherswitch/e6000sw/e6000swreg.h	Fri Jun  2 15:12:32 2017	(r319498)
@@ -155,8 +155,6 @@ struct atu_opt {
 #define SMI_PHY_CMD_REG			0x18
 #define SMI_PHY_DATA_REG		0x19
 
-#define PHY_CMD				0x18
-#define PHY_DATA			0x19
 #define PHY_DATA_MASK			0xffff
 
 #define PHY_CMD_SMI_BUSY		15


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