From: Michael Tokarev <mjt@tls.msk.ru> To: Arend van Spriel <arend@broadcom.com> Cc: Seth Forshee <seth.forshee@canonical.com>, brcm80211-dev-list@broadcom.com, linux-wireless@vger.kernel.org, netdev@vger.kernel.org Subject: Re: BCM4313 & brcmsmac & 3.12: only semi-working? Date: Wed, 24 Sep 2014 18:51:23 +0400 [thread overview] Message-ID: <8d3f6516-9578-406c-9444-6fe1ba982ea6@email.android.com> (raw) In-Reply-To: <5422C6E0.3080002@broadcom.com> >I looked at the log. I see download commence because the packets >received of 1562 bytes length. So within one second I see little over >200 packets so approx. 3Mbps which is not impressive but I don't know >what can be expected. When it works it goes 50+ Mbps. I always tested at the same place and the signal there is good. D/load speed is 11Mb/sec steady. When it works. Today after powercycle it worked fine at 11 megabytes per second, I transferred several gigs of data. > Indeed after that it stalls and we only seem to >receive small packets of 179 bytes that seem to end up in >cfg80211_mgmt_rx. It could be that the hardware is somehow bogged and >can not receive at higher modulations as management frames are >transmitted at lower rates. The hardware will drop packets that are >having FCS (aka. checksum) errors. The brcmsmac is missing some code to > >read fcs error count from hardware, but I will get back to you with a >patch that we can use to confirm this. I see. Today I ordered an intel wifi card (which also works at 5MHz) and will swap bcm4313 with it. Since the notebook has to be disassembled for this (it doesn't have separate window for wifi card), and the procedure is rather complex I don't want to do it more times than necessary... ;) Thanks! /mjt from android phone
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From: Michael Tokarev <mjt-XAri/EZa3C4vJsYlp49lxw@public.gmane.org> To: Arend van Spriel <arend-dY08KVG/lbpWk0Htik3J/w@public.gmane.org> Cc: Seth Forshee <seth.forshee-Z7WLFzj8eWMS+FvcfC7Uqw@public.gmane.org>, brcm80211-dev-list-dY08KVG/lbpWk0Htik3J/w@public.gmane.org, linux-wireless-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Subject: Re: BCM4313 & brcmsmac & 3.12: only semi-working? Date: Wed, 24 Sep 2014 18:51:23 +0400 [thread overview] Message-ID: <8d3f6516-9578-406c-9444-6fe1ba982ea6@email.android.com> (raw) In-Reply-To: <5422C6E0.3080002-dY08KVG/lbpWk0Htik3J/w@public.gmane.org> >I looked at the log. I see download commence because the packets >received of 1562 bytes length. So within one second I see little over >200 packets so approx. 3Mbps which is not impressive but I don't know >what can be expected. When it works it goes 50+ Mbps. I always tested at the same place and the signal there is good. D/load speed is 11Mb/sec steady. When it works. Today after powercycle it worked fine at 11 megabytes per second, I transferred several gigs of data. > Indeed after that it stalls and we only seem to >receive small packets of 179 bytes that seem to end up in >cfg80211_mgmt_rx. It could be that the hardware is somehow bogged and >can not receive at higher modulations as management frames are >transmitted at lower rates. The hardware will drop packets that are >having FCS (aka. checksum) errors. The brcmsmac is missing some code to > >read fcs error count from hardware, but I will get back to you with a >patch that we can use to confirm this. I see. Today I ordered an intel wifi card (which also works at 5MHz) and will swap bcm4313 with it. Since the notebook has to be disassembled for this (it doesn't have separate window for wifi card), and the procedure is rather complex I don't want to do it more times than necessary... ;) Thanks! /mjt from android phone -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html
next prev parent reply other threads:[~2014-09-24 14:51 UTC|newest] Thread overview: 78+ messages / expand[flat|nested] mbox.gz Atom feed top 2013-12-27 20:58 BCM4313 & brcmsmac & 3.12: only semi-working? Michael Tokarev 2013-12-28 9:42 ` Arend van Spriel 2013-12-28 12:24 ` Michael Tokarev 2014-01-14 8:59 ` Michael Tokarev 2014-01-14 9:30 ` Nikita N. 2014-02-10 19:16 ` Michael Tokarev 2014-04-19 11:42 ` Michael Tokarev 2014-08-26 5:13 ` Michael Tokarev 2014-08-26 14:56 ` Arend van Spriel 2014-08-26 14:56 ` Arend van Spriel 2014-08-26 16:15 ` Michael Tokarev 2014-08-26 21:37 ` Arend van Spriel 2014-08-27 10:02 ` Michael Tokarev 2014-08-27 15:27 ` Arend van Spriel 2014-09-15 8:03 ` Arend van Spriel 2014-09-21 15:30 ` Michael Tokarev 2014-09-23 10:04 ` Michael Tokarev 2014-09-23 12:47 ` Arend van Spriel 2014-09-23 13:44 ` Seth Forshee 2014-09-23 13:44 ` Seth Forshee 2014-09-23 13:50 ` Arend van Spriel 2014-09-23 13:50 ` Arend van Spriel 2014-09-23 14:25 ` Michael Tokarev 2014-09-23 14:28 ` Michael Tokarev 2014-09-23 14:31 ` Seth Forshee 2014-09-23 16:02 ` Michael Tokarev 2014-09-23 16:02 ` Michael Tokarev 2014-09-23 17:35 ` Arend van Spriel 2014-09-23 18:10 ` Michael Tokarev 2014-09-24 13:28 ` Arend van Spriel 2014-09-24 13:28 ` Arend van Spriel 2014-09-24 14:51 ` Michael Tokarev [this message] 2014-09-24 14:51 ` Michael Tokarev 2014-09-26 14:26 ` Michael Tokarev 2014-09-26 14:42 ` Arend van Spriel 2014-09-26 15:20 ` Michael Tokarev 2014-09-26 15:20 ` Michael Tokarev 2014-09-29 13:44 ` Arend van Spriel 2014-09-29 19:40 ` Maximilian Engelhardt 2014-09-30 10:06 ` Arend van Spriel 2014-10-08 22:19 ` Maximilian Engelhardt 2014-10-09 7:52 ` Arend van Spriel 2014-10-09 8:21 ` Rafał Miłecki 2014-11-17 22:36 ` Maximilian Engelhardt 2014-11-19 9:04 ` Michael Tokarev 2014-11-19 17:54 ` Arend van Spriel 2014-11-19 19:58 ` Michael Tokarev 2014-11-19 21:00 ` Michael Tokarev 2014-11-23 9:43 ` Arend van Spriel 2014-11-26 9:52 ` Michael Tokarev 2014-11-30 12:04 ` Arend van Spriel 2014-11-30 12:04 ` Arend van Spriel 2014-12-02 21:40 ` Michael Tokarev 2014-12-02 21:40 ` Michael Tokarev 2014-12-03 12:43 ` Arend van Spriel 2014-12-16 16:51 ` Arend van Spriel 2014-12-21 9:58 ` Michael Tokarev 2014-12-21 9:58 ` Michael Tokarev 2014-12-21 10:12 ` Arend van Spriel 2014-12-21 10:12 ` Arend van Spriel 2014-12-21 10:27 ` Michael Tokarev 2014-12-21 11:38 ` Arend van Spriel 2014-12-21 14:08 ` Maximilian Engelhardt 2014-12-21 14:08 ` Maximilian Engelhardt 2014-12-21 14:13 ` Arend van Spriel 2014-12-21 14:24 ` Maximilian Engelhardt 2014-12-21 15:03 ` Arend van Spriel 2014-12-21 17:34 ` Maximilian Engelhardt 2015-03-09 20:54 ` Daniel Glöckner 2015-03-09 20:54 ` Daniel Glöckner 2015-03-10 21:27 ` Arend van Spriel 2016-03-14 16:41 ` Daniel Glöckner [not found] ` <54969A46.8000807@msgid.tls.msk.ru> 2014-12-21 10:17 ` Arend van Spriel 2014-12-01 22:06 ` Maximilian Engelhardt 2014-11-19 13:46 ` Arend van Spriel 2014-11-19 13:49 ` Arend van Spriel 2014-11-19 13:49 ` Arend van Spriel 2020-08-24 3:44 Sébastien Le Preste De Vauban
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