branch Attitude Adjustment

git-svn-id: svn://svn.openwrt.org/openwrt/branches/attitude_adjustment@33625 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 581 insertions, 0 deletions

diff --git a/package/robocfg/src/robocfg.c b/package/robocfg/src/robocfg.c
new file mode 100644
index 000000000..7a4094dd4
--- /dev/null
+++ b/package/robocfg/src/robocfg.c
@@ -0,0 +1,581 @@
+/*
+ * Broadcom BCM5325E/536x switch configuration utility
+ *
+ * Copyright (C) 2005 Oleg I. Vdovikin
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  
+ * 02110-1301, USA.
+ */
+ 
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/param.h>
+#include <sys/ioctl.h>
+#include <sys/socket.h>
+
+/* linux stuff */
+typedef u_int64_t u64;
+typedef u_int32_t u32;
+typedef u_int16_t u16;
+typedef u_int8_t u8;
+
+#include <linux/if.h>
+#include <linux/sockios.h>
+#include <linux/ethtool.h>
+#include <linux/mii.h>
+
+#include "etc53xx.h"
+#define ROBO_PHY_ADDR	0x1E	/* robo switch phy address */
+
+/* MII registers */
+#define REG_MII_PAGE	0x10	/* MII Page register */
+#define REG_MII_ADDR	0x11	/* MII Address register */
+#define REG_MII_DATA0	0x18	/* MII Data register 0 */
+
+#define REG_MII_PAGE_ENABLE	1
+#define REG_MII_ADDR_WRITE	1
+#define REG_MII_ADDR_READ	2
+
+/* Private et.o ioctls */
+#define SIOCGETCPHYRD           (SIOCDEVPRIVATE + 9)
+#define SIOCSETCPHYWR           (SIOCDEVPRIVATE + 10)
+
+typedef struct {
+	struct ifreq ifr;
+	int fd;
+	int et;			/* use private ioctls */
+} robo_t;
+
+static u16 mdio_read(robo_t *robo, u16 phy_id, u8 reg)
+{
+	if (robo->et) {
+		int args[2] = { reg };
+		
+		if (phy_id != ROBO_PHY_ADDR) {
+			fprintf(stderr,
+				"Access to real 'phy' registers unavaliable.\n"
+				"Upgrade kernel driver.\n");
+
+			return 0xffff;
+		}
+	
+		robo->ifr.ifr_data = (caddr_t) args;
+		if (ioctl(robo->fd, SIOCGETCPHYRD, (caddr_t)&robo->ifr) < 0) {
+			perror("SIOCGETCPHYRD");
+			exit(1);
+		}
+	
+		return args[1];
+	} else {
+		struct mii_ioctl_data *mii = (struct mii_ioctl_data *)&robo->ifr.ifr_data;
+		mii->phy_id = phy_id;
+		mii->reg_num = reg;
+		if (ioctl(robo->fd, SIOCGMIIREG, &robo->ifr) < 0) {
+			perror("SIOCGMIIREG");
+			exit(1);
+		}
+		return mii->val_out;
+	}
+}
+
+static void mdio_write(robo_t *robo, u16 phy_id, u8 reg, u16 val)
+{
+	if (robo->et) {
+		int args[2] = { reg, val };
+
+		if (phy_id != ROBO_PHY_ADDR) {
+			fprintf(stderr,
+				"Access to real 'phy' registers unavaliable.\n"
+				"Upgrade kernel driver.\n");
+			return;
+		}
+		
+		robo->ifr.ifr_data = (caddr_t) args;
+		if (ioctl(robo->fd, SIOCSETCPHYWR, (caddr_t)&robo->ifr) < 0) {
+			perror("SIOCGETCPHYWR");
+			exit(1);
+		}
+	} else {
+		struct mii_ioctl_data *mii = (struct mii_ioctl_data *)&robo->ifr.ifr_data;
+		mii->phy_id = phy_id;
+		mii->reg_num = reg;
+		mii->val_in = val;
+		if (ioctl(robo->fd, SIOCSMIIREG, &robo->ifr) < 0) {
+			perror("SIOCSMIIREG");
+			exit(1);
+		}
+	}
+}
+
+static int robo_reg(robo_t *robo, u8 page, u8 reg, u8 op)
+{
+	int i = 3;
+	
+	/* set page number */
+	mdio_write(robo, ROBO_PHY_ADDR, REG_MII_PAGE, 
+		(page << 8) | REG_MII_PAGE_ENABLE);
+	
+	/* set register address */
+	mdio_write(robo, ROBO_PHY_ADDR, REG_MII_ADDR, 
+		(reg << 8) | op);
+
+	/* check if operation completed */
+	while (i--) {
+		if ((mdio_read(robo, ROBO_PHY_ADDR, REG_MII_ADDR) & 3) == 0)
+			return 0;
+	}
+
+	fprintf(stderr, "robo_reg: timeout\n");
+	exit(1);
+	
+	return 0;
+}
+
+static void robo_read(robo_t *robo, u8 page, u8 reg, u16 *val, int count)
+{
+	int i;
+	
+	robo_reg(robo, page, reg, REG_MII_ADDR_READ);
+	
+	for (i = 0; i < count; i++)
+		val[i] = mdio_read(robo, ROBO_PHY_ADDR, REG_MII_DATA0 + i);
+}
+
+static u16 robo_read16(robo_t *robo, u8 page, u8 reg)
+{
+	robo_reg(robo, page, reg, REG_MII_ADDR_READ);
+	
+	return mdio_read(robo, ROBO_PHY_ADDR, REG_MII_DATA0);
+}
+
+static u32 robo_read32(robo_t *robo, u8 page, u8 reg)
+{
+	robo_reg(robo, page, reg, REG_MII_ADDR_READ);
+	
+	return mdio_read(robo, ROBO_PHY_ADDR, REG_MII_DATA0) +
+		(mdio_read(robo, ROBO_PHY_ADDR, REG_MII_DATA0 + 1) << 16);
+}
+
+static void robo_write16(robo_t *robo, u8 page, u8 reg, u16 val16)
+{
+	/* write data */
+	mdio_write(robo, ROBO_PHY_ADDR, REG_MII_DATA0, val16);
+
+	robo_reg(robo, page, reg, REG_MII_ADDR_WRITE);
+}
+
+static void robo_write32(robo_t *robo, u8 page, u8 reg, u32 val32)
+{
+	/* write data */
+	mdio_write(robo, ROBO_PHY_ADDR, REG_MII_DATA0, val32 & 65535);
+	mdio_write(robo, ROBO_PHY_ADDR, REG_MII_DATA0 + 1, val32 >> 16);
+	
+	robo_reg(robo, page, reg, REG_MII_ADDR_WRITE);
+}
+
+/* checks that attached switch is 5325E/5350 */
+static int robo_vlan5350(robo_t *robo)
+{
+	/* set vlan access id to 15 and read it back */
+	u16 val16 = 15;
+	robo_write16(robo, ROBO_VLAN_PAGE, ROBO_VLAN_TABLE_ACCESS_5350, val16);
+	
+	/* 5365 will refuse this as it does not have this reg */
+	return (robo_read16(robo, ROBO_VLAN_PAGE, ROBO_VLAN_TABLE_ACCESS_5350) == val16);
+}
+
+u8 port[6] = { 0, 1, 2, 3, 4, 8 };
+char ports[6] = { 'W', '4', '3', '2', '1', 'C' };
+char *rxtx[4] = { "enabled", "rx_disabled", "tx_disabled", "disabled" };
+char *stp[8] = { "none", "disable", "block", "listen", "learn", "forward", "6", "7" };
+
+struct {
+	char *name;
+	u16 bmcr;
+} media[5] = { { "auto", BMCR_ANENABLE | BMCR_ANRESTART }, 
+	{ "10HD", 0 }, { "10FD", BMCR_FULLDPLX },
+	{ "100HD", BMCR_SPEED100 }, { "100FD", BMCR_SPEED100 | BMCR_FULLDPLX } };
+
+struct {
+	char *name;
+	u16 value;
+} mdix[3] = { { "auto", 0x0000 }, { "on", 0x1800 }, { "off", 0x0800 } };
+
+void usage()
+{
+	fprintf(stderr, "Broadcom BCM5325E/536x switch configuration utility\n"
+		"Copyright (C) 2005 Oleg I. Vdovikin\n\n"
+		"This program is distributed in the hope that it will be useful,\n"
+		"but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
+		"MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n"
+		"GNU General Public License for more details.\n\n");
+
+	fprintf(stderr, "Usage: robocfg <op> ... <op>\n"
+			"Operations are as below:\n"
+			"\tshow\n"
+			"\tswitch <enable|disable>\n"
+			"\tport <port_number> [state <%s|%s|%s|%s>]\n\t\t[stp %s|%s|%s|%s|%s|%s] [tag <vlan_tag>]\n"
+			"\t\t[media %s|%s|%s|%s|%s] [mdi-x %s|%s|%s]\n"
+			"\tvlan <vlan_number> [ports <ports_list>]\n"
+			"\tvlans <enable|disable|reset>\n\n"
+			"\tports_list should be one argument, space separated, quoted if needed,\n"
+			"\tport number could be followed by 't' to leave packet vlan tagged (CPU \n"
+			"\tport default) or by 'u' to untag packet (other ports default) before \n"
+			"\tbringing it to the port, '*' is ignored\n"
+			"\nSamples:\n"
+			"1) ASUS WL-500g Deluxe stock config (eth0 is WAN, eth0.1 is LAN):\n"
+			"robocfg switch disable vlans enable reset vlan 0 ports \"0 5u\" vlan 1 ports \"1 2 3 4 5t\""
+			" port 0 state enabled stp none switch enable\n"
+			"2) WRT54g, WL-500g Deluxe OpenWRT config (vlan0 is LAN, vlan1 is WAN):\n"
+			"robocfg switch disable vlans enable reset vlan 0 ports \"1 2 3 4 5t\" vlan 1 ports \"0 5t\""
+			" port 0 state enabled stp none switch enable\n",
+			rxtx[0], rxtx[1], rxtx[2], rxtx[3], stp[0], stp[1], stp[2], stp[3], stp[4], stp[5],
+			media[0].name, media[1].name, media[2].name, media[3].name, media[4].name,
+			mdix[0].name, mdix[1].name, mdix[2].name);
+}
+
+static robo_t robo;
+int bcm53xx_probe(const char *dev)
+{
+	struct ethtool_drvinfo info;
+	unsigned int phyid;
+	int ret;
+
+	fprintf(stderr, "probing %s\n", dev);
+
+	strcpy(robo.ifr.ifr_name, dev);
+	memset(&info, 0, sizeof(info));
+	info.cmd = ETHTOOL_GDRVINFO;
+	robo.ifr.ifr_data = (caddr_t)&info;
+	ret = ioctl(robo.fd, SIOCETHTOOL, (caddr_t)&robo.ifr);
+	if (ret < 0) {
+		perror("SIOCETHTOOL");
+		return ret;
+	}
+
+	if (	strcmp(info.driver, "et0") &&
+		strcmp(info.driver, "b44") &&
+		strcmp(info.driver, "bcm63xx_enet") ) {
+			fprintf(stderr, "driver not supported %s\n", info.driver);
+			return -ENOSYS;
+	}
+
+	/* try access using MII ioctls - get phy address */
+	robo.et = 0;
+	if (ioctl(robo.fd, SIOCGMIIPHY, &robo.ifr) < 0)
+		robo.et = 1;
+
+	if (robo.et) {
+		unsigned int args[2] = { 2 };
+		
+		robo.ifr.ifr_data = (caddr_t) args;
+		ret = ioctl(robo.fd, SIOCGETCPHYRD, (caddr_t)&robo.ifr);
+		if (ret < 0) {
+			perror("SIOCGETCPHYRD");
+			return ret;
+		}
+		phyid = args[1] & 0xffff;
+	
+		args[0] = 3;
+		robo.ifr.ifr_data = (caddr_t) args;
+		ret = ioctl(robo.fd, SIOCGETCPHYRD, (caddr_t)&robo.ifr);
+		if (ret < 0) {
+			perror("SIOCGETCPHYRD");
+			return ret;
+		}
+		phyid |= args[1] << 16;
+	} else {
+		struct mii_ioctl_data *mii = (struct mii_ioctl_data *)&robo.ifr.ifr_data;
+		mii->phy_id = ROBO_PHY_ADDR;
+		mii->reg_num = 2;
+		ret = ioctl(robo.fd, SIOCGMIIREG, &robo.ifr);
+		if (ret < 0) {
+			perror("SIOCGMIIREG");
+			return ret;
+		}
+		phyid = mii->val_out & 0xffff;
+
+		mii->phy_id = ROBO_PHY_ADDR;
+		mii->reg_num = 3;
+		ret = ioctl(robo.fd, SIOCGMIIREG, &robo.ifr);
+		if (ret < 0) {
+			perror("SIOCGMIIREG");
+			return ret;
+		}
+		phyid |= mii->val_out << 16;
+	}
+
+	if (phyid == 0xffffffff || phyid == 0x55210022) {
+		perror("phyid");
+		return -EIO;
+	}
+	
+	return 0;
+}
+
+int
+main(int argc, char *argv[])
+{
+	u16 val16;
+	u16 mac[3];
+	int i = 0, j;
+	int robo5350 = 0;
+	u32 phyid;
+	
+	if ((robo.fd = socket(AF_INET, SOCK_DGRAM, 0)) < 0) {
+		perror("socket");
+		exit(1);
+	}
+
+	if (bcm53xx_probe("eth1")) {
+		if (bcm53xx_probe("eth0")) {
+			perror("bcm53xx_probe");
+			exit(1);
+		}
+	}
+
+	robo5350 = robo_vlan5350(&robo);
+	
+	for (i = 1; i < argc;) {
+		if (strcasecmp(argv[i], "port") == 0 && (i + 1) < argc)
+		{
+			int index = atoi(argv[++i]);
+			/* read port specs */
+			while (++i < argc) {
+				if (strcasecmp(argv[i], "state") == 0 && ++i < argc) {
+					for (j = 0; j < 4 && strcasecmp(argv[i], rxtx[j]); j++);
+					if (j < 4) {
+						/* change state */
+						robo_write16(&robo,ROBO_CTRL_PAGE, port[index],
+							(robo_read16(&robo, ROBO_CTRL_PAGE, port[index]) & ~(3 << 0)) | (j << 0));
+					} else {
+						fprintf(stderr, "Invalid state '%s'.\n", argv[i]);
+						exit(1);
+					}
+				} else
+				if (strcasecmp(argv[i], "stp") == 0 && ++i < argc) {
+					for (j = 0; j < 8 && strcasecmp(argv[i], stp[j]); j++);
+					if (j < 8) {
+						/* change stp */
+						robo_write16(&robo,ROBO_CTRL_PAGE, port[index],
+							(robo_read16(&robo, ROBO_CTRL_PAGE, port[index]) & ~(7 << 5)) | (j << 5));
+					} else {
+						fprintf(stderr, "Invalid stp '%s'.\n", argv[i]);
+						exit(1);
+					}
+				} else
+				if (strcasecmp(argv[i], "media") == 0 && ++i < argc) {
+					for (j = 0; j < 5 && strcasecmp(argv[i], media[j].name); j++);
+					if (j < 5) {
+                                    		mdio_write(&robo, port[index], MII_BMCR, media[j].bmcr);
+					} else {
+						fprintf(stderr, "Invalid media '%s'.\n", argv[i]);
+						exit(1);
+					}
+				} else
+				if (strcasecmp(argv[i], "mdi-x") == 0 && ++i < argc) {
+					for (j = 0; j < 3 && strcasecmp(argv[i], mdix[j].name); j++);
+					if (j < 3) {
+                                    		mdio_write(&robo, port[index], 0x1c, mdix[j].value |
+						    (mdio_read(&robo, port[index], 0x1c) & ~0x1800));
+					} else {
+						fprintf(stderr, "Invalid mdi-x '%s'.\n", argv[i]);
+						exit(1);
+					}
+				} else
+				if (strcasecmp(argv[i], "tag") == 0 && ++i < argc) {
+					j = atoi(argv[i]);
+					/* change vlan tag */
+					robo_write16(&robo, ROBO_VLAN_PAGE, ROBO_VLAN_PORT0_DEF_TAG + (index << 1), j);
+				} else break;
+			}
+		} else
+		if (strcasecmp(argv[i], "vlan") == 0 && (i + 1) < argc)
+		{
+			int index = atoi(argv[++i]);
+			while (++i < argc) {
+				if (strcasecmp(argv[i], "ports") == 0 && ++i < argc) {
+					char *ports = argv[i];
+					int untag = 0;
+					int member = 0;
+					
+					while (*ports >= '0' && *ports <= '9') {
+						j = *ports++ - '0';
+						member |= 1 << j;
+						
+						/* untag if needed, CPU port requires special handling */
+						if (*ports == 'u' || (j != 5 && (*ports == ' ' || *ports == 0))) 
+						{
+							untag |= 1 << j;
+							if (*ports) ports++;
+							/* change default vlan tag */
+							robo_write16(&robo, ROBO_VLAN_PAGE, 
+								ROBO_VLAN_PORT0_DEF_TAG + (j << 1), index);
+						} else 
+						if (*ports == '*' || *ports == 't' || *ports == ' ') ports++;
+						else break;
+						
+						while (*ports == ' ') ports++;
+					}
+					
+					if (*ports) {
+						fprintf(stderr, "Invalid ports '%s'.\n", argv[i]);
+						exit(1);
+					} else {
+						/* write config now */
+						val16 = (index) /* vlan */ | (1 << 12) /* write */ | (1 << 13) /* enable */;
+						if (robo5350) {
+							robo_write32(&robo, ROBO_VLAN_PAGE, ROBO_VLAN_WRITE_5350,
+								(1 << 20) /* valid */ | (untag << 6) | member);
+							robo_write16(&robo, ROBO_VLAN_PAGE, ROBO_VLAN_TABLE_ACCESS_5350, val16);
+						} else {
+							robo_write16(&robo, ROBO_VLAN_PAGE, ROBO_VLAN_WRITE,
+								(1 << 14)  /* valid */ | (untag << 7) | member);
+							robo_write16(&robo, ROBO_VLAN_PAGE, ROBO_VLAN_TABLE_ACCESS, val16);
+						}
+					}
+				} else break;
+			}
+		} else
+		if (strcasecmp(argv[i], "switch") == 0 && (i + 1) < argc)
+		{
+			/* enable/disable switching */
+			robo_write16(&robo, ROBO_CTRL_PAGE, ROBO_SWITCH_MODE,
+				(robo_read16(&robo, ROBO_CTRL_PAGE, ROBO_SWITCH_MODE) & ~2) |
+				(*argv[++i] == 'e' ? 2 : 0));
+			i++;
+		} else
+		if (strcasecmp(argv[i], "vlans") == 0 && (i + 1) < argc)
+		{
+			while (++i < argc) {
+				if (strcasecmp(argv[i], "reset") == 0) {
+					/* reset vlan validity bit */
+					for (j = 0; j <= (robo5350 ? VLAN_ID_MAX5350 : VLAN_ID_MAX); j++) 
+					{
+						/* write config now */
+						val16 = (j) /* vlan */ | (1 << 12) /* write */ | (1 << 13) /* enable */;
+						if (robo5350) {
+							robo_write32(&robo, ROBO_VLAN_PAGE, ROBO_VLAN_WRITE_5350, 0);
+							robo_write16(&robo, ROBO_VLAN_PAGE, ROBO_VLAN_TABLE_ACCESS_5350, val16);
+						} else {
+							robo_write16(&robo, ROBO_VLAN_PAGE, ROBO_VLAN_WRITE, 0);
+							robo_write16(&robo, ROBO_VLAN_PAGE, ROBO_VLAN_TABLE_ACCESS, val16);
+						}
+					}
+				} else 
+				if (strcasecmp(argv[i], "enable") == 0 || strcasecmp(argv[i], "disable") == 0) 
+				{
+					int disable = (*argv[i] == 'd') || (*argv[i] == 'D');
+					/* enable/disable vlans */
+					robo_write16(&robo, ROBO_VLAN_PAGE, ROBO_VLAN_CTRL0, disable ? 0 :
+						(1 << 7) /* 802.1Q VLAN */ | (3 << 5) /* mac check and hash */);
+
+					robo_write16(&robo, ROBO_VLAN_PAGE, ROBO_VLAN_CTRL1, disable ? 0 :
+						(1 << 1) | (1 << 2) | (1 << 3) /* RSV multicast */);
+
+					robo_write16(&robo, ROBO_VLAN_PAGE, ROBO_VLAN_CTRL4, disable ? 0 :
+						(1 << 6) /* drop invalid VID frames */);
+
+					robo_write16(&robo, ROBO_VLAN_PAGE, ROBO_VLAN_CTRL5, disable ? 0 :
+						(1 << 3) /* drop miss V table frames */);
+
+				} else break;
+			}
+		} else
+		if (strcasecmp(argv[i], "show") == 0)
+		{
+			break;
+		} else {
+			fprintf(stderr, "Invalid option %s\n", argv[i]);
+			usage();
+			exit(1);
+		}
+	}
+
+	if (i == argc) {
+		if (argc == 1) usage();
+		return 0;
+	}
+	
+	/* show config */
+		
+	printf("Switch: %sabled\n", robo_read16(&robo, ROBO_CTRL_PAGE, ROBO_SWITCH_MODE) & 2 ? "en" : "dis");
+
+	for (i = 0; i < 6; i++) {
+		printf(robo_read16(&robo, ROBO_STAT_PAGE, ROBO_LINK_STAT_SUMMARY) & (1 << port[i]) ?
+			"Port %d(%c): %s%s " : "Port %d(%c):  DOWN ", i, ports[i],
+			robo_read16(&robo, ROBO_STAT_PAGE, ROBO_SPEED_STAT_SUMMARY) & (1 << port[i]) ? "100" : " 10",
+			robo_read16(&robo, ROBO_STAT_PAGE, ROBO_DUPLEX_STAT_SUMMARY) & (1 << port[i]) ? "FD" : "HD");
+		
+		val16 = robo_read16(&robo, ROBO_CTRL_PAGE, port[i]);
+		
+		printf("%s stp: %s vlan: %d ", rxtx[val16 & 3], stp[(val16 >> 5) & 7],
+			robo_read16(&robo, ROBO_VLAN_PAGE, ROBO_VLAN_PORT0_DEF_TAG + (i << 1)));
+			
+		robo_read(&robo, ROBO_STAT_PAGE, ROBO_LSA_PORT0 + port[i] * 6, mac, 3);
+		
+		printf("mac: %02x:%02x:%02x:%02x:%02x:%02x\n",
+			mac[2] >> 8, mac[2] & 255, mac[1] >> 8, mac[1] & 255, mac[0] >> 8, mac[0] & 255);
+	}
+	
+	val16 = robo_read16(&robo, ROBO_VLAN_PAGE, ROBO_VLAN_CTRL0);
+	
+	printf("VLANs: %s %sabled%s%s\n", 
+		robo5350 ? "BCM5325/535x" : "BCM536x",
+		(val16 & (1 << 7)) ? "en" : "dis", 
+		(val16 & (1 << 6)) ? " mac_check" : "", 
+		(val16 & (1 << 5)) ? " mac_hash" : "");
+	
+	/* scan VLANs */
+	for (i = 0; i <= (robo5350 ? VLAN_ID_MAX5350 : VLAN_ID_MAX); i++) {
+		/* issue read */
+		val16 = (i) /* vlan */ | (0 << 12) /* read */ | (1 << 13) /* enable */;
+		
+		if (robo5350) {
+			u32 val32;
+			robo_write16(&robo, ROBO_VLAN_PAGE, ROBO_VLAN_TABLE_ACCESS_5350, val16);
+			/* actual read */
+			val32 = robo_read32(&robo, ROBO_VLAN_PAGE, ROBO_VLAN_READ);
+			if ((val32 & (1 << 20)) /* valid */) {
+				printf("vlan%d:", i);
+				for (j = 0; j < 6; j++) {
+					if (val32 & (1 << j)) {
+						printf(" %d%s", j, (val32 & (1 << (j + 6))) ? 
+							(j == 5 ? "u" : "") : "t");
+					}
+				}
+				printf("\n");
+			}
+		} else {
+			robo_write16(&robo, ROBO_VLAN_PAGE, ROBO_VLAN_TABLE_ACCESS, val16);
+			/* actual read */
+			val16 = robo_read16(&robo, ROBO_VLAN_PAGE, ROBO_VLAN_READ);
+			if ((val16 & (1 << 14)) /* valid */) {
+				printf("vlan%d:", i);
+				for (j = 0; j < 6; j++) {
+					if (val16 & (1 << j)) {
+						printf(" %d%s", j, (val16 & (1 << (j + 7))) ? 
+							(j == 5 ? "u" : "") : "t");
+					}
+				}
+				printf("\n");
+			}
+		}
+	}
+	
+	return (0);
+}