From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?utf-8?Q?Bj=C3=B8rn_Mork?= Subject: Re: [RFC] net: usbnet: prevent buggy devices from killing us Date: Thu, 24 Jan 2013 12:22:54 +0100 Message-ID: <877gn2hlkh.fsf@nemi.mork.no> References: <1359023152-32576-1-git-send-email-bjorn@mork.no> <6505263.QGCG9bfoCC@linux-5eaq.site> <87bocehmzd.fsf@nemi.mork.no> <2321910.EQLkSoxl50@linux-5eaq.site> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: linux-usb-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Oliver Neukum Return-path: In-Reply-To: <2321910.EQLkSoxl50-7ztolUikljGernLeA6q8OA@public.gmane.org> (Oliver Neukum's message of "Thu, 24 Jan 2013 12:03:49 +0100") Sender: linux-usb-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: netdev.vger.kernel.org Oliver Neukum writes: > On Thursday 24 January 2013 11:52:22 Bj=C3=B8rn Mork wrote: >> Oliver Neukum writes: >>=20 >> > On Thursday 24 January 2013 11:25:52 Bj=C3=B8rn 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. Sorry for being daft, but how do I code the "20 among the last 30" part there? Bj=C3=B8rn -- 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