Date: Wed, 9 Mar 2005 17:22:43 -0800 From: Brooks Davis <brooks@one-eyed-alien.net> To: =?iso-8859-1?Q?Jos=E9_Mar=EDa_Gonz=E1lez?= <chema@cs.berkeley.edu> Cc: freebsd-net@freebsd.org Subject: Re: Creating Multiple Discard Interfaces Message-ID: <20050310012243.GA26861@odin.ac.hmc.edu> In-Reply-To: <20050310001825.GA320@cs.berkeley.edu> References: <20050310001825.GA320@cs.berkeley.edu>
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--zYM0uCDKw75PZbzx Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Wed, Mar 09, 2005 at 04:18:25PM -0800, Jos=E9 Mar=EDa Gonz=E1lez wrote: > Hi,=20 >=20 > I'm trying to create several discard interfaces on 4.9-RELEASE, and I'm= =20 > having 2 problems. This is what I see (comments started by //): >=20 > # ifconfig -a > de0: ... > lo0: ... > // these are my original interfaces >=20 > # kldload if_disc >=20 > # ifconfig -a > de0: ... > lo0: ... > ds0: flags=3D8008<LOOPBACK,MULTICAST> mtu 65532 > // surprisingly enough, just loading the if_disc kernel module creates=20 > // the ds0 interface for me. Well, I can live with that.=20 >=20 > # ifconfig ds0 create > ifconfig: SIOCIFCREATE: Invalid argument > # ifconfig disc0 create > ifconfig: SIOCIFCREATE: Invalid argument > // This makes sens, as the ds0 interface is already created >=20 > # ifconfig ds1 create > ifconfig: SIOCIFCREATE: Invalid argument > # ifconfig disc1 create > ifconfig: SIOCIFCREATE: Invalid argument > // 1st problem: How do I create ds1, ds2, etc.? >=20 >=20 > // Now I want to get rid of the if_disc module > # ifconfig ds0 down > # ifconfig ds0 destroy > ifconfig: SIOCIFDESTROY: Invalid argument > #ifconfig disc0 destroy=20 > ifconfig: interface disc0 does not exist > # kldunload -v -i 4 > Unloading if_disc.ko, id=3D4 > kldunload: can't unload file: Invalid argument > // 2nd problem: How do I get rid of the if_disc module? The discard module is not unloadable or clonable before 5.0. You need to upgrade to 5.3+ or statically compile in the discard device with an appropriate count. -- Brooks --=20 Any statement of the form "X is the one, true Y" is FALSE. PGP fingerprint 655D 519C 26A7 82E7 2529 9BF0 5D8E 8BE9 F238 1AD4 --zYM0uCDKw75PZbzx Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.1 (GNU/Linux) iD8DBQFCL6FjXY6L6fI4GtQRAi5lAKCazW5mF9+vCiKx3UjUkQ4Pzg10YQCgxeQC 7KmhFZh3/slnrZntDFVdShk= =bI+w -----END PGP SIGNATURE----- --zYM0uCDKw75PZbzx--
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