Date: Thu, 06 Mar 2014 20:42:23 +0200 From: clutton <clutton@zoho.com> To: Warner Losh <imp@bsdimp.com> Cc: FreeBSD Hackers <freebsd-hackers@freebsd.org>, freebsd-drivers@freebsd.org Subject: Re: Reading burned-in NIC MAC address from the user space. Message-ID: <1394131343.732.39.camel@eva02> In-Reply-To: <78D3808C-A446-4697-AE6A-0718C058F8C1@bsdimp.com> References: <1394115222.8935.17.camel@eva02> <10C93415-7C49-459E-921E-EE358C3B886C@bsdimp.com> <1394129227.732.37.camel@eva02> <78D3808C-A446-4697-AE6A-0718C058F8C1@bsdimp.com>
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[-- Attachment #1 --] On Thu, 2014-03-06 at 11:16 -0700, Warner Losh wrote: > On Mar 6, 2014, at 11:07 AM, clutton <clutton@zoho.com> wrote: > > > On Thu, 2014-03-06 at 08:35 -0700, Warner Losh wrote: > >> On Mar 6, 2014, at 7:13 AM, clutton <clutton@zoho.com> wrote: > >> > >>> Hi lists. > >>> > >>> I'm porting a GNU macchanger to the FreeBSD. Everything has almost done, > >>> except restoring the mac to the original one. > >>> > >>> The Linux users can exploit ioctl with SIOCETHTOOL pointing to a proper > >>> ifreq(ETHTOOL_GPERMADDR), I have no idea how to do this using FreeBSD, > >>> is it even possible? > >> > >> I’d check the source for ifconfig. > >> > >> ifconfig ep0 link 1:2:3:4:5:6 > >> > >> does the trick… > >> > >> Warner > > > > No, it doesn't. It does the different trick :) > > You misunderstood the question. I don't asked how to set the mac > > address. The question is how to read burned in mac address from user > > space. ifconfig is not capable doing such a thing. > > ifconfig foo0 | grep link > > is the usual answer here :) > > > As I can see the drivers read MAC from EEPROM using different ways. Is > > there any interface to this low level work? > > > > WHY: > > The GNU macchanger has very nice option "--permanent Reset to original, > > permanent hardware MAC". This is only one thing I haven't ported yet. > > so you want to be able to ask the driver for the original mac address? > > Warner Exactly. [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.22 (FreeBSD) iQIcBAABAgAGBQJTGMGPAAoJECNkWbjnbjui5+oQAImY6TVmSCmHMOCj/iFS9rg7 mBLiPnvqKWQQr8qtJwsNO0yxq6XAYayhROg63h2GrCl5GZL0orxuCz/xlHW+omSj nmJePSmvzZYhvr8wZ5EjtkS2tUKK39F7YvNvH8uO2Lff7fIele1+S9AApVhQLlcX WM4eX/7N4olQuLlDg8nAp/UpIliEF3oilOA+hcokyaxNBQYvGI7DQSRMM1e+o6ff gInTOm2I3dpTMpiJ97cnmXHfDUFO0gy3G6SVVIeNWtq4Vo7pi9KqtVtCMgCDuemP yJbDrskdTtIikxIWea6v1QBk/m3Cy2y0UOQiG0ZEttD7CnUjx9XcUkZpPf7O4QEa jYQAVXtgaey6W6+9/wdN1OTx//h51bMHNKdEO++0noH97gKc8CR6belJhtNOi6E6 9XkTN5hcmbgrk3XdoAAUCQyPt6Z2sc1fXEgmJFsvLkgRZkO6aRCJcgZjOF3FSi9X syRdbh35aFcw+4MKUWmy9rGBr9ur6y2jTLKQsg/R20SW6mXVcrazmjOqx2CXoWwt +54KquIK9Ey8rhQ+tQqH1vEWCAeglc4APEzuyRE+vKICyuLXoyuOW9im0MiFyQ+s nNztlAR3oCunVdIpQxCY5mm3AMjpGik8If+eSlXw08PbrJks3kBJYyspdO8ay5Pr GURp4cfidlOWRxWb9vOy =mhXe -----END PGP SIGNATURE-----
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