Date: Thu, 27 Feb 2003 14:24:41 +0200 From: Ruslan Ermilov <ru@freebsd.org> To: "Daniel C. Sobral" <dcs@tcoip.com.br> Cc: Bill Paul <wpaul@freebsd.org>, src-committers@freebsd.org, cvs-src@freebsd.org, cvs-all@freebsd.org Subject: Re: cvs commit: src/sys/dev/fxp if_fxp.c if_fxpreg.h if_fxpvar.h Message-ID: <20030227122441.GF39346@sunbay.com> In-Reply-To: <3E5DFD83.4070605@tcoip.com.br> References: <200302262212.h1QMC4L8017995@repoman.freebsd.org> <3E5DFD83.4070605@tcoip.com.br>
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On Thu, Feb 27, 2003 at 08:58:59AM -0300, Daniel C. Sobral wrote:
> Bill Paul wrote:
> >wpaul 2003/02/26 14:12:04 PST
> >
> > Modified files:
> > sys/dev/fxp if_fxp.c if_fxpreg.h if_fxpvar.h=20
> > Log:
> > As previously threatened, add TCP/IP checksum offload support to
> > the fxp driver. This is enabled only for the 82550/82551 chips
> > (PCI revision code 12 or 13). RX and TX checksum offload are
> > both supported. Transmit offload is limited to TCP and UDP only
> > right now: there seems to be a problem with IP header checksumming
> > on transmit in some cases.
>=20
> I'm curious. Is there any way of knowing whether support has been=20
> detected and is in use? I did the pciconf trick you mentioned, but...=20
> <shrug>
>=20
ifconfig(8) will tell you:
xl0: flags=3D8802<BROADCAST,SIMPLEX,MULTICAST> mtu 1500
options=3D3<RXCSUM,TXCSUM>
ether 00:50:da:b4:10:5b
media: Ethernet autoselect (none)
status: no carrier
"ifconfig -m" will tell you the list of supported capabilities.
> Alas, when you say revision code 12 or 13... is that hex or decimal?=20
> pciconf shows some of mine as being 0d.
>=20
0d =3D=3D 13. :-)
Cheers,
--=20
Ruslan Ermilov Sysadmin and DBA,
ru@sunbay.com Sunbay Software AG,
ru@FreeBSD.org FreeBSD committer,
+380.652.512.251 Simferopol, Ukraine
http://www.FreeBSD.org The Power To Serve
http://www.oracle.com Enabling The Information Age
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