Return-path: Received: from mail-wm0-f44.google.com ([74.125.82.44]:38567 "EHLO mail-wm0-f44.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752549AbdCNOV3 (ORCPT ); Tue, 14 Mar 2017 10:21:29 -0400 Received: by mail-wm0-f44.google.com with SMTP id t189so232687wmt.1 for ; Tue, 14 Mar 2017 07:21:23 -0700 (PDT) From: Sven Eckelmann To: Johannes Berg Cc: Simon Wunderlich , linux-wireless@vger.kernel.org, Benjamin Berg Subject: Re: [PATCH] mac80211: Allow multiple listeners for management frames. Date: Tue, 14 Mar 2017 15:21:17 +0100 Message-ID: <2459952.Zo1p5FTnYy@bentobox> (sfid-20170314_152541_311198_327F51D4) In-Reply-To: <1489500792.10872.13.camel@sipsolutions.net> References: <20170310093454.27664-1-sven.eckelmann@openmesh.com> <3029516.gVNlmVZjU3@prime> <1489500792.10872.13.camel@sipsolutions.net> MIME-Version: 1.0 Content-Type: multipart/signed; boundary="nextPart6772490.N65mIeIQhg"; micalg="pgp-sha512"; protocol="application/pgp-signature" Sender: linux-wireless-owner@vger.kernel.org List-ID: --nextPart6772490.N65mIeIQhg Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="iso-8859-1" On Dienstag, 14. M=E4rz 2017 15:13:12 CET Johannes Berg wrote: > > The idea was to grab probe requests from userspace with a program > > running next to hostapd. >=20 > I guess there are some efficiency problems with that right now, but a > monitor mode interface should work just as well. Perhaps we can allow > attaching a BPF program to a monitor mode interface, and run that > without cloning the SKB etc.? This has also other problems. For example the ath10k fw will crash a lot when a monitor interface is active. I think that we saw also some performance regressions caused by the ath9k filtering behavior when a monitor mode interface is active (without actually listening on it). Kind regards, Sven --nextPart6772490.N65mIeIQhg Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part. Content-Transfer-Encoding: 7Bit -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEF10rh2Elc9zjMuACXYcKB8Eme0YFAljH/F0ACgkQXYcKB8Em e0ZSUA/9GkJysOsullW+Xv18uE96jutaRp5o92lAwdVYqSlhH7sCBqDilrNZAySQ LLm/k42M2WvpBdYP3t97N0+Fx6gW1CmcYfB6x/T4zsk6HPC1q0lNytNl1TZQjMvH 1WVFu4rulc3W7ZlGssh8t12PHrJBScgG7XxDGDJeimlkjYjzv1M3biFgXcOEwBkI tW8uoKS+WGnBy54eImkaFEV68mrxTqEjsrOUOjNdbv/dCXPQ2Yqd/np1ugdMXAzH bR4kwFCa/k28Rjk0DBHA9JzKSHrMcnoCRsZd5c2aL5OmtgM0yLBJiOD7Qz567+bW jXRA0g8ae8Zu//UD4Z++P8ODw76D0+SyvkE4RsKf3Uc/UY9PhpAgU1G97Mceqzmb 9IaYtS2hMXbAQSzLIuRPAsCoT0n9t2DI2Zv6R0UWxLndY/QVPvPiQmu/crwRSOgo xHM4YWFnLKWIMM5dhwvzBvRet82T8aj96ckVi8p33GJK/DIXsB95zaViTpC+AZrR LP1fetFQtRMO8WRxyRgE+ioNiH+QVasK7ihHPsdcWcU9rYFKsNG566TpYmePW4X+ Y0TZScyuNJnJIaSbcZQublrFwLZqs918RdxBHZZKoLvmmjnVmmRcwogntoXIw4Yx wFrNwMB41S9hU0nPG0e29kIYJy48dsEdDvVz62p+l2ykWmFxs+c= =rRL2 -----END PGP SIGNATURE----- --nextPart6772490.N65mIeIQhg--