Date: Thu, 15 May 2003 19:19:56 -0700 From: Kris Kennaway <kris@obsecurity.org> To: Robert Watson <rwatson@FreeBSD.org> Cc: cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/dev/fxp if_fxp.c Message-ID: <20030516021956.GA8711@rot13.obsecurity.org> In-Reply-To: <200305160113.h4G1DHqN090638@repoman.freebsd.org> References: <200305160113.h4G1DHqN090638@repoman.freebsd.org>
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--NzB8fVQJ5HfG6fxh Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, May 15, 2003 at 06:13:17PM -0700, Robert Watson wrote: > rwatson 2003/05/15 18:13:17 PDT >=20 > FreeBSD src repository >=20 > Modified files: > sys/dev/fxp if_fxp.c=20 > Log: > Add a tunable/sysctl "hw.fxp_noflow" which disables flow control support > on if_fxp cards. When flow control is enabled, if the operating system > doesn't acknowledge the packet buffer filling, the card will begin to > generate ethernet quench packets, but appears to get into a feedback > loop of some sort, hosing local switches. This is a temporary workarou= nd > for 5.1: the ability to configure flow control should probably be > exposed by some or another management interface on ethernet link layer > devices. Yay! This periodically hosed one of my 4.x boxes until I added a hack from Peter to turn it off. Can this be back-ported at some point? Kris --NzB8fVQJ5HfG6fxh Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.1 (FreeBSD) iD8DBQE+xErMWry0BWjoQKURAp20AJ9ViWkuXvDUf6RGP7sCLsCpoCBVwACfUegh xcHILvH/vMGzwABEkvkZvoQ= =PJyr -----END PGP SIGNATURE----- --NzB8fVQJ5HfG6fxh--
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