Date: Thu, 27 Feb 2003 18:00:17 +0200 From: Ruslan Ermilov <ru@freebsd.org> To: "Daniel C. Sobral" <dcs@tcoip.com.br> Cc: Jonathan Lemon <jlemon@freebsd.org>, 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: <20030227160017.GB88361@sunbay.com> In-Reply-To: <3E5E1D66.6080801@tcoip.com.br> References: <200302262212.h1QMC4L8017995@repoman.freebsd.org> <3E5DFD83.4070605@tcoip.com.br> <20030227122441.GF39346@sunbay.com> <3E5E0EEC.9020203@tcoip.com.br> <3E5E1D66.6080801@tcoip.com.br>
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--tjCHc7DPkfUGtrlw Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Feb 27, 2003 at 11:15:02AM -0300, Daniel C. Sobral wrote: > 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=20 > >>>detected and is in use? I did the pciconf trick you mentioned, but...= =20 > >>><shrug> > >>> > >>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. > >>> > >> > >>0d =3D=3D 13. :-) > > > > > >Unless Bill Paul meant 13 as being 0x13 =3D=3D 19. He mentions pciconf,= =20 > >which shows just "0d", and would show just "13" for 0x13, so I'm still= =20 > >unsure. Well, I'll have a new kernel soon on my 5.x testbox, and check= =20 > >this out. Thanks for the ifconfig reply. >=20 > So... how does one turn it on? >=20 Will you be surprised to know that ifconfig(8) does this? ;-) > fxp2: flags=3D8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500 > options=3D8<VLAN_MTU> > capability list: > =3Db<RXCSUM,TXCSUM,VLAN_MTU> > ether 00:02:b3:8f:30:41 > media: Ethernet autoselect (100baseTX <full-duplex>) > status: active > supported media: > media autoselect > media 100baseTX mediaopt full-duplex > media 100baseTX > media 10baseT/UTP mediaopt full-duplex > media 10baseT/UTP > media none > media 100baseTX mediaopt hw-loopback >=20 Jonathan forgot to document the "rxcsum", "txcsum", and "netcons" capabilities in the ifconfig(8) manpage. 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 --tjCHc7DPkfUGtrlw Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.1 (FreeBSD) iD8DBQE+XjYRUkv4P6juNwoRAmfnAJwM0R8RhAanTbtx4umpDzyD9Gp9NwCfULRv tROY330X08NWsB7Mk/NqqKs= =SRY0 -----END PGP SIGNATURE----- --tjCHc7DPkfUGtrlw-- To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe cvs-all" in the body of the message
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