Date: Thu, 27 Feb 2003 17:45:27 +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: <20030227154527.GA88361@sunbay.com> In-Reply-To: <3E5E0EEC.9020203@tcoip.com.br> References: <200302262212.h1QMC4L8017995@repoman.freebsd.org> <3E5DFD83.4070605@tcoip.com.br> <20030227122441.GF39346@sunbay.com> <3E5E0EEC.9020203@tcoip.com.br>
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[-- Attachment #1 --] On Thu, Feb 27, 2003 at 10:13:16AM -0300, Daniel C. Sobral wrote: > Ruslan Ermilov wrote: > >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 > >>>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. > >> > >>I'm curious. Is there any way of knowing whether support has been > >>detected and is in use? I did the pciconf trick you mentioned, but... > >><shrug> > >> > >ifconfig(8) will tell you: > > > >xl0: flags=8802<BROADCAST,SIMPLEX,MULTICAST> mtu 1500 > > options=3<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? > >>pciconf shows some of mine as being 0d. > >> > > > >0d == 13. :-) > > Unless Bill Paul meant 13 as being 0x13 == 19. He mentions pciconf, > which shows just "0d", and would show just "13" for 0x13, so I'm still > unsure. Well, I'll have a new kernel soon on my 5.x testbox, and check > this out. Thanks for the ifconfig reply. > Laziness? :-) if_fxpreg.h:#define FXP_REV_82550 12 if_fxpreg.h:#define FXP_REV_82550_C 13 /* 82550 C stepping */ Cheers, -- 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 [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.1 (FreeBSD) iD8DBQE+XjKXUkv4P6juNwoRAjcSAJ4mtMvd23xXtTQgzG1w8zMwWMVn6QCgicGf 0oNZxIYBT+QEd5i8qT8Ko0M= =JVr5 -----END PGP SIGNATURE-----
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