From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.8 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id DFA60C433DF for ; Fri, 26 Jun 2020 18:49:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C2577206E9 for ; Fri, 26 Jun 2020 18:49:34 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=mg.codeaurora.org header.i=@mg.codeaurora.org header.b="QIusmmCM" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725792AbgFZSte (ORCPT ); Fri, 26 Jun 2020 14:49:34 -0400 Received: from m43-7.mailgun.net ([69.72.43.7]:23674 "EHLO m43-7.mailgun.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725275AbgFZStd (ORCPT ); Fri, 26 Jun 2020 14:49:33 -0400 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1593197372; h=Content-Transfer-Encoding: Content-Type: MIME-Version: Message-ID: Date: Subject: In-Reply-To: References: Cc: To: From: Sender; bh=ngROJ/2w2XFc9NxoIGxpr+0+OqWMvWdIv4xbcHTgnlc=; b=QIusmmCM61swb0tP4a217ygj3wWduXHcDGcEgsTKl73Sofpw/c+obXkShDkGo/bdlD2qbE+3 1mtu9bGC/19MfvwkVPVerFs2d2lUWaeR6c+fHwfkaObjqcNJ3Tt3OxVfoPJ2Xthx8WH54P4o YEtfIjwrPIa0GtjiCkOoypw1H2U= X-Mailgun-Sending-Ip: 69.72.43.7 X-Mailgun-Sid: WyI3YTAwOSIsICJsaW51eC13aXJlbGVzc0B2Z2VyLmtlcm5lbC5vcmciLCAiYmU5ZTRhIl0= Received: from smtp.codeaurora.org (ec2-35-166-182-171.us-west-2.compute.amazonaws.com [35.166.182.171]) by smtp-out-n04.prod.us-west-2.postgun.com with SMTP id 5ef643385866879c763d70c7 (version=TLS1.2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256); Fri, 26 Jun 2020 18:49:28 GMT Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 72812C433CB; Fri, 26 Jun 2020 18:49:28 +0000 (UTC) Received: from Pillair (unknown [183.83.71.149]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) (Authenticated sender: pillair) by smtp.codeaurora.org (Postfix) with ESMTPSA id 314E2C433C6; Fri, 26 Jun 2020 18:49:25 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 314E2C433C6 Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; spf=none smtp.mailfrom=pillair@codeaurora.org From: "Rakesh Pillai" To: "'Ben Greear'" , Cc: , References: <1593195100-24654-1-git-send-email-pillair@codeaurora.org> <1593195100-24654-3-git-send-email-pillair@codeaurora.org> <69ea745d-8d7c-6220-ad0e-f70ffa3e242a@candelatech.com> In-Reply-To: <69ea745d-8d7c-6220-ad0e-f70ffa3e242a@candelatech.com> Subject: RE: [PATCH 2/2] ath10k: Skip wait for delete response if firmware is down Date: Sat, 27 Jun 2020 00:19:23 +0530 Message-ID: <000001d64bea$84b3ba90$8e1b2fb0$@codeaurora.org> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit X-Mailer: Microsoft Outlook 16.0 Thread-Index: AQHNiuYBFzypkjFclSJoPOKbq85JhQHwsTFgAYEyKP6o4S/gAA== Content-Language: en-us Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org > -----Original Message----- > From: Ben Greear > Sent: Friday, June 26, 2020 11:57 PM > To: Rakesh Pillai ; ath10k@lists.infradead.org > Cc: linux-wireless@vger.kernel.org; linux-kernel@vger.kernel.org > Subject: Re: [PATCH 2/2] ath10k: Skip wait for delete response if firmware is > down > > > > On 06/26/2020 11:11 AM, Rakesh Pillai wrote: > > Currently the driver waits for response from the > > firmware for all the delete cmds, eg: vdev_delete, > > peer delete. If the firmware is down, these wait > > will always timeout and return an error. > > > > Also during subsytems recovery, any attempt to > > send a WMI cmd to the FW will return the -ESHUTDOWN > > status, which when returned to mac80211, can cause > > unnecessary warnings to be printed on to the console, > > as shown below > > > > [ 2559.529565] Call trace: > > [ 2559.532214] __sta_info_destroy_part2+0x160/0x168 [mac80211] > > [ 2559.538157] __sta_info_flush+0x124/0x180 [mac80211] > > [ 2559.543402] ieee80211_set_disassoc+0x130/0x2c0 [mac80211] > > [ 2559.549172] ieee80211_mgd_deauth+0x238/0x25c [mac80211] > > [ 2559.554764] ieee80211_deauth+0x24/0x30 [mac80211] > > [ 2559.559860] cfg80211_mlme_deauth+0x258/0x2b0 [cfg80211] > > [ 2559.565446] nl80211_deauthenticate+0xe4/0x110 [cfg80211] > > [ 2559.571064] genl_rcv_msg+0x3a0/0x440 > > [ 2559.574888] netlink_rcv_skb+0xb4/0x11c > > [ 2559.578877] genl_rcv+0x34/0x48 > > [ 2559.582162] netlink_unicast+0x14c/0x1e4 > > [ 2559.586235] netlink_sendmsg+0x2f0/0x360 > > [ 2559.590317] sock_sendmsg+0x44/0x5c > > [ 2559.593951] ____sys_sendmsg+0x1c8/0x290 > > [ 2559.598029] ___sys_sendmsg+0xa8/0xfc > > [ 2559.601840] __sys_sendmsg+0x8c/0xd0 > > [ 2559.605572] __arm64_compat_sys_sendmsg+0x2c/0x38 > > [ 2559.610468] el0_svc_common+0xa8/0x160 > > [ 2559.614372] el0_svc_compat_handler+0x2c/0x38 > > [ 2559.618905] el0_svc_compat+0x8/0x10 > > > > Skip the wait for delete response from the > > firmware if the firmware is down. Also return > > success to the mac80211 calls when the peer delete > > cmd fails with return status -ESHUTDOWN. > > > > Tested-on: WCN3990 hw1.0 SNOC WLAN.HL.3.1-01040-QCAHLSWMTPLZ-1 > > > > Signed-off-by: Rakesh Pillai > > --- > > drivers/net/wireless/ath/ath10k/mac.c | 18 ++++++++++++++---- > > 1 file changed, 14 insertions(+), 4 deletions(-) > > > > diff --git a/drivers/net/wireless/ath/ath10k/mac.c > b/drivers/net/wireless/ath/ath10k/mac.c > > index dc7befc..7ac6549 100644 > > --- a/drivers/net/wireless/ath/ath10k/mac.c > > +++ b/drivers/net/wireless/ath/ath10k/mac.c > > @@ -701,7 +701,8 @@ static void > ath10k_wait_for_peer_delete_done(struct ath10k *ar, u32 vdev_id, > > unsigned long time_left; > > int ret; > > > > - if (test_bit(WMI_SERVICE_SYNC_DELETE_CMDS, ar->wmi.svc_map)) > { > > + if (test_bit(WMI_SERVICE_SYNC_DELETE_CMDS, ar->wmi.svc_map) > && > > + test_bit(ATH10K_FLAG_CRASH_FLUSH, &ar->dev_flags)) { > > Don't you mean !test_bit(ATH10K_FLAG_CRASH_FLUSH, &ar->dev_flags)) > ??? > > Or maybe I'm just mis-reading your patch? Hi Ben, Yes, it should be !test_bit(ATH10K_FLAG_CRASH_FLUSH, &ar->dev_flags)). I will send out a v2. > > Thanks, > Ben > > -- > Ben Greear > Candela Technologies Inc http://www.candelatech.com