From 9fa32e94dc4f08505934b9b015e2dfea9ae18555 Mon Sep 17 00:00:00 2001 From: Emeric Vigier Date: Mon, 9 Jul 2012 17:44:45 -0400 Subject: [PATCH] smsc95xx: support ethtool get_regs Inspired by implementation in smsc911x.c and smsc9420.c Tested on ARM/pandaboard running android Signed-off-by: Emeric Vigier Signed-off-by: David S. Miller --- drivers/net/usb/smsc95xx.c | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) diff --git a/drivers/net/usb/smsc95xx.c b/drivers/net/usb/smsc95xx.c index b1112e753859..05ecf14d6597 100644 --- a/drivers/net/usb/smsc95xx.c +++ b/drivers/net/usb/smsc95xx.c @@ -578,6 +578,35 @@ static int smsc95xx_ethtool_set_eeprom(struct net_device *netdev, return smsc95xx_write_eeprom(dev, ee->offset, ee->len, data); } +static int smsc95xx_ethtool_getregslen(struct net_device *netdev) +{ + /* all smsc95xx registers */ + return COE_CR - ID_REV + 1; +} + +static void +smsc95xx_ethtool_getregs(struct net_device *netdev, struct ethtool_regs *regs, + void *buf) +{ + struct usbnet *dev = netdev_priv(netdev); + unsigned int i, j, retval; + u32 *data = buf; + + retval = smsc95xx_read_reg(dev, ID_REV, ®s->version); + if (retval < 0) { + netdev_warn(netdev, "REGS: cannot read ID_REV\n"); + return; + } + + for (i = ID_REV, j = 0; i <= COE_CR; i += (sizeof(u32)), j++) { + retval = smsc95xx_read_reg(dev, i, &data[j]); + if (retval < 0) { + netdev_warn(netdev, "REGS: cannot read reg[%x]\n", i); + return; + } + } +} + static const struct ethtool_ops smsc95xx_ethtool_ops = { .get_link = usbnet_get_link, .nway_reset = usbnet_nway_reset, @@ -589,6 +618,8 @@ static const struct ethtool_ops smsc95xx_ethtool_ops = { .get_eeprom_len = smsc95xx_ethtool_get_eeprom_len, .get_eeprom = smsc95xx_ethtool_get_eeprom, .set_eeprom = smsc95xx_ethtool_set_eeprom, + .get_regs_len = smsc95xx_ethtool_getregslen, + .get_regs = smsc95xx_ethtool_getregs, }; static int smsc95xx_ioctl(struct net_device *netdev, struct ifreq *rq, int cmd) -- 2.20.1