switch: read and write vlan config from and to gigabit switches

This patch makes it possible to read and write the vlan config from and to recent switchs.

This is based on a patch by jcharest and the Broadcom SDK.

SVN-Revision: 35584

1 files changed, 105 insertions, 30 deletions

diff --git a/package/switch/src/switch-robo.c b/package/switch/src/switch-robo.c
index 41f0c18..aaccdd9 100644
--- a/package/switch/src/switch-robo.c
+++ b/package/switch/src/switch-robo.c
@@ -74,6 +74,7 @@ struct robo_switch {
 	u16 devid;			/* ROBO_DEVICE_ID_53xx */
 	bool is_5365;
 	bool gmii;			/* gigabit mii */
+	u8 corerev;
 	int gpio_robo_reset;
 	int gpio_lanports_enable;
 	struct ifreq ifr;
@@ -419,8 +420,7 @@ err_done:
 	return err;
 }
 
-
-static int handle_vlan_port_read(void *driver, char *buf, int nr)
+static int handle_vlan_port_read_old(switch_driver *d, char *buf, int nr)
 {
 	__u16 val16;
 	int len = 0;
@@ -433,11 +433,11 @@ static int handle_vlan_port_read(void *driver, char *buf, int nr)
 		/* actual read */
 		val16 = robo_read16(ROBO_VLAN_PAGE, ROBO_VLAN_READ);
 		if ((val16 & (1 << 14)) /* valid */) {
-			for (j = 0; j < 6; j++) {
+			for (j = 0; j < d->ports; j++) {
 				if (val16 & (1 << j)) {
 					len += sprintf(buf + len, "%d", j);
 					if (val16 & (1 << (j + 7))) {
-						if (j == 5)
+						if (j == d->cpuport)
 							buf[len++] = 'u';
 					} else {
 						buf[len++] = 't';
@@ -455,11 +455,11 @@ static int handle_vlan_port_read(void *driver, char *buf, int nr)
 		/* actual read */
 		val32 = robo_read32(ROBO_VLAN_PAGE, ROBO_VLAN_READ);
 		if ((val32 & (1 << 20)) /* valid */) {
-			for (j = 0; j < 6; j++) {
+			for (j = 0; j < d->ports; j++) {
 				if (val32 & (1 << j)) {
 					len += sprintf(buf + len, "%d", j);
-					if (val32 & (1 << (j + 6))) {
-						if (j == 5)
+					if (val32 & (1 << (j + d->ports))) {
+						if (j == d->cpuport)
 							buf[len++] = 'u';
 					} else {
 						buf[len++] = 't';
@@ -478,45 +478,120 @@ static int handle_vlan_port_read(void *driver, char *buf, int nr)
 	return len;
 }
 
-static int handle_vlan_port_write(void *driver, char *buf, int nr)
+static int handle_vlan_port_read_new(switch_driver *d, char *buf, int nr)
 {
-	switch_driver *d = (switch_driver *) driver;
-	switch_vlan_config *c = switch_parse_vlan(d, buf);
+	__u8 vtbl_entry, vtbl_index, vtbl_access;
+	__u32 val32;
+	int len = 0;
 	int j;
-	__u16 val16;
 
-	if (c == NULL)
-		return -EINVAL;
+	if ((robo.devid == ROBO_DEVICE_ID_5395) ||
+	    (robo.devid == ROBO_DEVICE_ID_53115)) {
+		vtbl_access = ROBO_VTBL_ACCESS_5395;
+		vtbl_index = ROBO_VTBL_INDX_5395;
+		vtbl_entry = ROBO_VTBL_ENTRY_5395;
+	} else {
+		vtbl_access = ROBO_VTBL_ACCESS;
+		vtbl_index = ROBO_VTBL_INDX;
+		vtbl_entry = ROBO_VTBL_ENTRY;
+	}
 
+	robo_write16(ROBO_ARLIO_PAGE, vtbl_index, nr);
+	robo_write16(ROBO_ARLIO_PAGE, vtbl_access, (1 << 7) | (1 << 0));
+	val32 = robo_read32(ROBO_ARLIO_PAGE, vtbl_entry);
 	for (j = 0; j < d->ports; j++) {
-		if ((c->untag | c->pvid) & (1 << j))
-			/* change default vlan tag */
-			robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_PORT0_DEF_TAG + (j << 1), nr);
+		if (val32 & (1 << j)) {
+			len += sprintf(buf + len, "%d", j);
+			if (val32 & (1 << (j + d->ports))) {
+				if (j == d->cpuport)
+					buf[len++] = 'u';
+			} else {
+				buf[len++] = 't';
+				if (robo_read16(ROBO_VLAN_PAGE, ROBO_VLAN_PORT0_DEF_TAG + (j << 1)) == nr)
+					buf[len++] = '*';
+			}
+			buf[len++] = '\t';
+		}
 	}
+	len += sprintf(buf + len, "\n");
+	buf[len] = '\0';
+	return len;
+}
 
-	/* write config now */
+static int handle_vlan_port_read(void *driver, char *buf, int nr)
+{
+	switch_driver *d = (switch_driver *) driver;
 
-	if (robo.devid != ROBO_DEVICE_ID_5325) {
-		__u8 regoff = ((robo.devid == ROBO_DEVICE_ID_5395) ||
-			(robo.devid == ROBO_DEVICE_ID_53115)) ? 0x20 : 0;
+	if (robo.devid != ROBO_DEVICE_ID_5325)
+		return handle_vlan_port_read_new(d, buf, nr);
+	else
+		return handle_vlan_port_read_old(d, buf, nr);
+}
 
-		robo_write32(ROBO_ARLIO_PAGE, 0x63 + regoff, (c->untag << 9) | c->port);
-		robo_write16(ROBO_ARLIO_PAGE, 0x61 + regoff, nr);
-		robo_write16(ROBO_ARLIO_PAGE, 0x60 + regoff, 1 << 7);
-		kfree(c);
-		return 0;
-	}
+static void handle_vlan_port_write_old(switch_driver *d, switch_vlan_config *c, int nr)
+{
+	__u16 val16;
+	__u32 val32;
+	__u32 untag = ((c->untag  & ~(1 << d->cpuport)) << d->ports);
 
+	/* write config now */
 	val16 = (nr) /* vlan */ | (1 << 12) /* write */ | (1 << 13) /* enable */;
 	if (robo.is_5365) {
-		robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_WRITE_5365,
-			(1 << 14)  /* valid */ | (c->untag << 7) | c->port);
+		robo_write32(ROBO_VLAN_PAGE, ROBO_VLAN_WRITE_5365,
+			(1 << 14)  /* valid */ | (untag << 1 ) | c->port);
 		robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_TABLE_ACCESS_5365, val16);
 	} else {
-		robo_write32(ROBO_VLAN_PAGE, ROBO_VLAN_WRITE,
-			(1 << 20) /* valid */ | (c->untag << 6) | c->port);
+		if (robo.corerev < 3)
+			val32 = (1 << 20) | ((nr >> 4) << 12) | untag | c->port;
+		else
+			val32 = (1 << 24) | (nr << 12) | untag | c->port;
+		robo_write32(ROBO_VLAN_PAGE, ROBO_VLAN_WRITE, val32);
 		robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_TABLE_ACCESS, val16);
 	}
+}
+
+static void handle_vlan_port_write_new(switch_driver *d, switch_vlan_config *c, int nr)
+{
+	__u8 vtbl_entry, vtbl_index, vtbl_access;
+	__u32 untag = ((c->untag  & ~(1 << d->cpuport)) << d->ports);
+
+	/* write config now */
+	if ((robo.devid == ROBO_DEVICE_ID_5395) ||
+	    (robo.devid == ROBO_DEVICE_ID_53115)) {
+		vtbl_access = ROBO_VTBL_ACCESS_5395;
+		vtbl_index = ROBO_VTBL_INDX_5395;
+		vtbl_entry = ROBO_VTBL_ENTRY_5395;
+	} else {
+		vtbl_access = ROBO_VTBL_ACCESS;
+		vtbl_index = ROBO_VTBL_INDX;
+		vtbl_entry = ROBO_VTBL_ENTRY;
+	}
+
+	robo_write32(ROBO_ARLIO_PAGE, vtbl_entry, untag | c->port);
+	robo_write16(ROBO_ARLIO_PAGE, vtbl_index, nr);
+	robo_write16(ROBO_ARLIO_PAGE, vtbl_access, 1 << 7);
+}
+
+static int handle_vlan_port_write(void *driver, char *buf, int nr)
+{
+	switch_driver *d = (switch_driver *)driver;
+	switch_vlan_config *c = switch_parse_vlan(d, buf);
+	int j;
+
+	if (c == NULL)
+		return -EINVAL;
+
+	for (j = 0; j < d->ports; j++) {
+		if ((c->untag | c->pvid) & (1 << j)) {
+			/* change default vlan tag */
+			robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_PORT0_DEF_TAG + (j << 1), nr);
+		}
+	}
+
+	if (robo.devid != ROBO_DEVICE_ID_5325)
+		handle_vlan_port_write_new(d, c, nr);
+	else
+		handle_vlan_port_write_old(d, c, nr);
 
 	kfree(c);
 	return 0;