From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mout.gmx.net ([212.227.15.15]:55771 "EHLO mout.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932551AbaJUN4s (ORCPT ); Tue, 21 Oct 2014 09:56:48 -0400 Message-ID: <5446660B.4040602@rempel-privat.de> (sfid-20141021_155652_583859_24C230F7) Date: Tue, 21 Oct 2014 15:56:27 +0200 From: Oleksij Rempel MIME-Version: 1.0 To: Johannes Berg CC: "Li, Hongchun" , "(ath9k-devel@lists.ath9k.org)" , "linux-wireless@vger.kernel.org" Subject: Re: [ath9k-devel] IBSS network crashes after one device leaves network References: <54455DDF.50305@rempel-privat.de> (sfid-20141020_211003_234775_62CEB57E) <1413833356.32358.4.camel@jlt4.sipsolutions.net> In-Reply-To: <1413833356.32358.4.camel@jlt4.sipsolutions.net> Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="9H47QJhWi0j5V3OHkO6MeJTFIlWqnEau9" Sender: linux-wireless-owner@vger.kernel.org List-ID: This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --9H47QJhWi0j5V3OHkO6MeJTFIlWqnEau9 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Am 20.10.2014 um 21:29 schrieb Johannes Berg: > On Mon, 2014-10-20 at 21:09 +0200, Oleksij Rempel wrote: >> Hi Johannes, >> >> since this function was added by you, may be you can help here (commit= >> f09603a259). ath9k_htc support max 8 STAs in AP or ADHOC mode. If mor= e >> then 8 stations connected, driver will return error, but >> sta_info_insert_drv_state() setting it to zero. >> What was initial purpose of this? >=20 > The reason for this is that it's pointless to do anything else - the > station will try to communicate with us since there's no protocol that > allows rejecting the link. We therefore don't fail here, and try to > communicate with the station anyway - that might end up with not having= > proper rate scaling etc. but is still better. >=20 > johannes hmm.. suddenly rate scaling is not singe limitation of ath9k-htc. Firmware keeps some information for each STA and trying to reduce usb bandwidth. If i understand it correctly, ath10k works in the same way. It means, early or soon we need to work with some hard limits. --=20 Regards, Oleksij --9H47QJhWi0j5V3OHkO6MeJTFIlWqnEau9 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iF4EAREIAAYFAlRGZgsACgkQHwImuRkmbWnlYgD+JTM93nOVQgsITOrEeUGNZqxC D1ehijei3Ufhs3YJgJEBAIOVfVBjJ6RsNOzYwE/9TzL1FZTkHMJQV+9mj94RgnnU =YIyF -----END PGP SIGNATURE----- --9H47QJhWi0j5V3OHkO6MeJTFIlWqnEau9--