Linux 2.4.18 8139too.c driver fix for mii-tool

David Ashley (dash@xdr.com)
Mon, 2 Dec 2002 08:11:52 -0800


mii-tool doesn't work with the 8139too.c driver (RTL8139 based network cards).
Internally the driver uses phy ID #'s 32+, but when ioctls are used to
access the phy registers, the ID is masked down to 0-0x1f, so none of them
work properly, and mii-tool fails.

The fix is to change the masking done in the top of netdev_ioctl:
if (cmd != SIOCETHTOOL) {
/* With SIOCETHTOOL, this would corrupt the pointer. */
data->phy_id &= 0x3f; // was 0x1f (DA) 20021202
data->reg_num &= 0x1f;
}

-Dave
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