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 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 8D888C433F5 for ; Tue, 7 Dec 2021 15:28:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:Date:Message-ID:Cc:To:References: In-Reply-To:From:Subject:MIME-Version:Reply-To:Content-ID:Content-Description :Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=l3s+7TfMjJK1KvtR9lLxMlwWDENSL/aH2Ed6wHoiKwc=; b=ezoCcftSJMP4M1 xeYaQ5OFsqE8z9BzfGSkvb5choQgwphJv893GmugBg1iUMRmU4lQkSHyxuK5DLTVnTtsTx/IdXHHm IHD043OPBx0OapdSGxNPHfGJcOxDBd8tuuF2hI3Intr1jPKyxxRrYcY9MRHrZ/zboOqykIe+YPT/e BXg9WKnpPq99dXZS8fxj/pog3kBpA2aCxE5IX2E20Vn60Sw8Uz+i6ibHo/MiSlOUgJF+3ut95kMiD ez9SIDcljdxuIRfVI0TW28J1zul01rStezbd2HOMuOmnKCY9kN+porlKelLb+nH3yePSOtOQxJvD0 gJjhEq2IdAnluLBYKDaA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mucNE-009Cut-NI; Tue, 07 Dec 2021 15:27:21 +0000 Received: from sin.source.kernel.org ([145.40.73.55]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1muc6m-0097KH-TB for ath10k@lists.infradead.org; Tue, 07 Dec 2021 15:10:22 +0000 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by sin.source.kernel.org (Postfix) with ESMTPS id 293BACE1B7A; Tue, 7 Dec 2021 15:10:19 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 99596C341CA; Tue, 7 Dec 2021 15:10:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1638889815; bh=TpCeGBjQ3MUWVEA4q7VntxzPfqsdrgI5h/iHZsSD7fc=; h=Subject:From:In-Reply-To:References:To:Cc:Date:From; b=BtiDYtKPoZuZdaSwVe+gVAmimmwPUBzF65uJ4fBsuhfHSS0CiQBJBVK0xYlWUAY/6 WbqO+EgJx9HrUBE9ctkmr5PInYoxuyH35oSydaGvVaJbI7sDuvCvTN0KX+WWuUmGLl 5BPbbQpIEmVpvveN8v5i/XhNiVsI9Z20DiSdXSjjRwC+/m4z4I8tGyWHFuFCsOsWRc BBlPkhiCGohWi+kHgh0wEnD7MwlAshMweAin6VTJfTNwgeehlv2KCUwN3mmIsbKNo+ IZU2IzHuBzTDXxsbLjoyh+4iuZqw93Tmf3Hx0GVIGShdpuRH61kduybG1lTI6t5H+v FMoYP1PNRL/jA== MIME-Version: 1.0 Subject: Re: [PATCH v3] ath10k: Fix the MTU size on QCA9377 SDIO From: Kalle Valo In-Reply-To: <20211124131047.713756-1-festevam@denx.de> References: <20211124131047.713756-1-festevam@denx.de> To: Fabio Estevam Cc: kvalo@codeaurora.org, ath10k@lists.infradead.org, linux-wireless@vger.kernel.org, wgong@codeaurora.org, Fabio Estevam User-Agent: pwcli/0.1.0-git (https://github.com/kvalo/pwcli/) Python/3.7.3 Message-ID: <163888981163.18601.16356465928600024719.kvalo@kernel.org> Date: Tue, 7 Dec 2021 15:10:13 +0000 (UTC) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211207_071021_182383_2518A490 X-CRM114-Status: GOOD ( 18.26 ) X-BeenThere: ath10k@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "ath10k" Errors-To: ath10k-bounces+ath10k=archiver.kernel.org@lists.infradead.org Fabio Estevam wrote: > On an imx6dl-pico-pi board with a QCA9377 SDIO chip, simply trying to > connect via ssh to another machine causes: > > [ 55.824159] ath10k_sdio mmc1:0001:1: failed to transmit packet, dropping: -12 > [ 55.832169] ath10k_sdio mmc1:0001:1: failed to submit frame: -12 > [ 55.838529] ath10k_sdio mmc1:0001:1: failed to push frame: -12 > [ 55.905863] ath10k_sdio mmc1:0001:1: failed to transmit packet, dropping: -12 > [ 55.913650] ath10k_sdio mmc1:0001:1: failed to submit frame: -12 > [ 55.919887] ath10k_sdio mmc1:0001:1: failed to push frame: -12 > > , leading to an ssh connection failure. > > One user inspected the size of frames on Wireshark and reported > the followig: > > "I was able to narrow the issue down to the mtu. If I set the mtu for > the wlan0 device to 1486 instead of 1500, the issue does not happen. > > The size of frames that I see on Wireshark is exactly 1500 after > setting it to 1486." > > Clearing the HI_ACS_FLAGS_ALT_DATA_CREDIT_SIZE avoids the problem and > the ssh command works successfully after that. > > Introduce a 'credit_size_workaround' field to ath10k_hw_params for > the QCA9377 SDIO, so that the HI_ACS_FLAGS_ALT_DATA_CREDIT_SIZE > is not set in this case. > > Tested with QCA9377 SDIO with firmware WLAN.TF.1.1.1-00061-QCATFSWPZ-1. > > Fixes: 2f918ea98606 ("ath10k: enable alt data of TX path for sdio") > Signed-off-by: Fabio Estevam > Signed-off-by: Kalle Valo Patch applied to ath-next branch of ath.git, thanks. 09b8cd69edcf ath10k: Fix the MTU size on QCA9377 SDIO -- https://patchwork.kernel.org/project/linux-wireless/patch/20211124131047.713756-1-festevam@denx.de/ https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches _______________________________________________ ath10k mailing list ath10k@lists.infradead.org http://lists.infradead.org/mailman/listinfo/ath10k