Date: Thu, 17 Jan 2002 17:40:01 -0800 From: Brooks Davis <brooks@one-eyed-alien.net> To: Jim Binkley <jrb@cs.pdx.edu> Cc: freebsd-mobile@FreeBSD.ORG Subject: Re: wi0: if_wi.c access point scanning Message-ID: <20020117174001.A27652@Odin.AC.HMC.Edu> In-Reply-To: <200201172216.OAA08863@sirius.cs.pdx.edu>; from jrb@cs.pdx.edu on Thu, Jan 17, 2002 at 02:16:01PM -0800 References: <200201172216.OAA08863@sirius.cs.pdx.edu>
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--opJtzjQTFsWo+cga Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Jan 17, 2002 at 02:16:01PM -0800, Jim Binkley wrote: >=20 > With some help from Brooks and Adam Shand and others, it is > now possible to scan for access points with the freebsd wi0 > driver. =20 >=20 > I put 4.4 BSD code (separate files/tar blob with everything/patches > per file) in: >=20 > ftp://ftp.cs.pdx.edu/pub/mobile/wi.44.patches/ Very cool! > It would be nice to have some beta testers. Please try > and report back. And keep an eye out for what "capinfo" > results might mean, as I have not much of a clue. Assuming the comments in the headers are correct this is probably the capability information field from the beacons (and other management frames). The bits are: 0 ESS 1 IBSS 2 contention free pollable 3 contention free poll request 4 privacy (wep) 5 short preamble 6 packet binary convolutional coding (PBCC) 7 channel agility 8-15 reserved 0-4 were part of 802.11. 5-7 were added if 802.11b. I got this information out of "IEEE 802.11 Handbook: A Designers Companion" which is good, but badly overpriced. -- 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 --opJtzjQTFsWo+cga Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.0.6 (GNU/Linux) Comment: For info see http://www.gnupg.org iD8DBQE8R3zvXY6L6fI4GtQRAu9dAJwJqudVLz55LiSez90qPb2gx370CACginrj jcJstA3b2pPsP8z/8uers7Q= =jTMn -----END PGP SIGNATURE----- --opJtzjQTFsWo+cga-- To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-mobile" in the body of the message
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