From mboxrd@z Thu Jan 1 00:00:00 1970 From: Oliver Neukum Subject: Re: [RFC] net: usbnet: prevent buggy devices from killing us Date: Thu, 24 Jan 2013 12:03:49 +0100 Message-ID: <2321910.EQLkSoxl50@linux-5eaq.site> References: <1359023152-32576-1-git-send-email-bjorn@mork.no> <6505263.QGCG9bfoCC@linux-5eaq.site> <87bocehmzd.fsf@nemi.mork.no> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: linux-usb-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: =?ISO-8859-1?Q?Bj=F8rn?= Mork Return-path: In-Reply-To: <87bocehmzd.fsf-lbf33ChDnrE/G1V5fR+Y7Q@public.gmane.org> Sender: linux-usb-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: netdev.vger.kernel.org On Thursday 24 January 2013 11:52:22 Bj=F8rn Mork wrote: > Oliver Neukum writes: >=20 > > On Thursday 24 January 2013 11:25:52 Bj=F8rn Mork wrote: > >> The MBIM firmware for the Sierra Wireless MC7710 is a nice source > >> of "interesting" device issues. One of the uglier ones is that > >> it under certain conditions will start flooding us with frames > >> having length 0 as fast as it can. And that is pretty fast... > > > > If you can tell that those frames are bogus, why not count them > > as opposed to generic qlen? Say, if you see 20 among the last 30 > > are of this type, throttle. >=20 > Sounds like a good idea, but where do I add/get that statistics? rx_complete It need not be very accurate. Regards Oliver -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html