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authorEmeric Vigier <emeric.vigier@savoirfairelinux.com>2012-07-10 01:44:45 +0400
committerDavid S. Miller <davem@davemloft.net>2012-07-10 01:47:52 +0400
commit9fa32e94dc4f08505934b9b015e2dfea9ae18555 (patch)
treeca84da3f6ce59d28c7e2465922ffef909e2199f9
parent36efc94b1d09e75fc18b400b0fba8220f967fb44 (diff)
downloadlinux-9fa32e94dc4f08505934b9b015e2dfea9ae18555.tar.xz
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 <emeric.vigier@savoirfairelinux.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--drivers/net/usb/smsc95xx.c31
1 files changed, 31 insertions, 0 deletions
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, &regs->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)