Return-path: Received: from mail-gw3-out.broadcom.com ([216.31.210.64]:38234 "EHLO mail-gw3-out.broadcom.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753458AbbFHVO7 (ORCPT ); Mon, 8 Jun 2015 17:14:59 -0400 Message-ID: <557605CC.6070907@broadcom.com> (sfid-20150608_231503_466558_59014B2D) Date: Mon, 8 Jun 2015 23:14:52 +0200 From: Arend van Spriel MIME-Version: 1.0 To: =?UTF-8?B?SsO2cmcgS3JhdXNl?= CC: "linux-wireless@vger.kernel.org" , brcm80211-dev-list Subject: Re: brcmfmac: brcmf_p2p_create_p2pdev: timeout occurred References: <1433766944.28058.16.camel@embedded.rocks> <55758D7E.3000603@broadcom.com> <1433771289.28058.24.camel@embedded.rocks> <5575C6FA.6030104@broadcom.com> <1433794640.28058.26.camel@embedded.rocks> In-Reply-To: <1433794640.28058.26.camel@embedded.rocks> Content-Type: text/plain; charset="UTF-8"; format=flowed Sender: linux-wireless-owner@vger.kernel.org List-ID: On 06/08/15 22:17, Jörg Krause wrote: > On Mo, 2015-06-08 at 18:46 +0200, Arend van Spriel wrote: >> On 06/08/15 15:48, Jörg Krause wrote: >>> Hi Arend, >>> >>> On Mo, 2015-06-08 at 14:41 +0200, Arend van Spriel wrote: >>>> On 06/08/15 14:35, Jörg Krause wrote: >>>>> Hi, >>>>> >>>>> I've trouble creating the p2p interface on a BCM43362 wifi >>>>> device >>>>> running Linux kernel 4.0.4: >>>>> >>>>> # dmesg | grep brcmfmac >>>>> [ 7.010870] brcmfmac: brcmf_c_preinit_dcmds: Firmware >>>>> version = >>>>> wl0: Apr 22 2013 14:50:00 version 5.90.195.89.6 FWID 01 >>>>> -b30a427d >>>>> [ 7.158905] brcmfmac: brcmf_cfg80211_reg_notifier: not >>>>> a >>>>> ISO3166 >>>>> code >>>>> [ 11.007164] brcmfmac: brcmf_p2p_create_p2pdev: timeout >>>>> occurred >>>>> >>>>> Trying to add the p2p interface manually: >>>>> >>>>> # iw phy0 interface add p2p0 type __p2pdev >>>>> [ 372.042704] brcmfmac: brcmf_link_down: WLC_DISASSOC >>>>> failed >>>>> (-52) >>>>> [ 373.637263] brcmfmac: brcmf_p2p_create_p2pdev: timeout >>>>> occurred >>>>> [ 373.679377] brcmfmac: brcmf_cfg80211_del_key: invalid >>>>> key >>>>> index (4) >>>>> [ 373.685733] brcmfmac: brcmf_cfg80211_del_key: invalid >>>>> key >>>>> index (5) >>>>> >>>>> Any idea? >>>> >>>> Wondering whether it is similar to what Rafal reported. Can you >>>> do a >>>> hexdump, ie. hexdump -C brcmfmac43362-sdio.bin | tail -30 >>> >>> I managed to set up the p2p interface by recompiling the kernel >>> with >>> CONFIG_BRCMDBG and loading the brcmfmac module with p2pon=1. >>> >>> I had a discussion some month ago with Hante Meulemann about >>> setting up >>> the p2p interface. This is one of his replies: >>> >>> "For what I can see from the log is that we don’t get the >>> event from >>> the FW indicating that the p2p interface was created. This >>> probably >>> means that there is a bug in this FW for this device. I need >>> to discuss >>> this to see how much priority we can give this. The best >>> option for you >>> for the moment is to use the legacy method with the 'p2pon=1' >>> command." >> >> Thanks for digging your email archive as we clearly forgot about this >> >> entirely. > > Me too :-) > >> The timeout in your log indeed indicates it is missing a >> notification from firmware. I assume your primary interface is in >> managed mode when trying to create the p2p_dev interface. Is that >> correct? > > Correct. So do you have the following commit in your kernel tree: commit f48556e1b6a60f1b394a6c4b0a7b8cacba3eb107 Author: Arend van Spriel Date: Tue Sep 30 10:23:16 2014 +0200 brcmfmac: assure P2P discovery is disabled when setting P2P_DEVICE mac addre Regards, Arend > Best regards > Jörg Krause > -- > To unsubscribe from this list: send the line "unsubscribe linux-wireless" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html