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=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable 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 559C6C43331 for ; Wed, 13 Nov 2019 02:09:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2B079206B6 for ; Wed, 13 Nov 2019 02:09:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1573610943; bh=okglWxbhWTSpQ+j01Uh3yunG0KPMLBP4XpLqcKMgxMg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=UUU5ZwzLBNu2zmirmI8n66TZK8YZxZdnFvbYn3cjhhZP1xbHo9Tu4taKkA3XEhYtP ok3g+lYunce68LTtt8ray4NYRshE4ctD4l3/2BBz4QvDIE908exy0YtTB+B2keYgkp pDjmYE5sfcZAnP5mhDILdaAdo7qosfwddBykBT7o= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730334AbfKMB7s (ORCPT ); Tue, 12 Nov 2019 20:59:48 -0500 Received: from mail.kernel.org ([198.145.29.99]:54496 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728094AbfKMB7q (ORCPT ); Tue, 12 Nov 2019 20:59:46 -0500 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id C0AE722469; Wed, 13 Nov 2019 01:59:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1573610385; bh=okglWxbhWTSpQ+j01Uh3yunG0KPMLBP4XpLqcKMgxMg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=OCviAlZ0nLKJZdE+pwfNWOviOsQl7kHlT0CFFNOu4he9gZEUK1JfJZbhl9hfD5gs7 Pj9BYvN0sm9lz2FtHY0oOdBAqt9vWauw8jNZjdo9NChoQ/Opy94dIPqaqlXc+jbFWv aat+COw/GZlyatRSpYYBuTTPr1+dfje0UUxHcx2s= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Ben Greear , Kalle Valo , Sasha Levin , ath10k@lists.infradead.org, linux-wireless@vger.kernel.org, netdev@vger.kernel.org Subject: [PATCH AUTOSEL 4.9 08/68] ath10k: fix vdev-start timeout on error Date: Tue, 12 Nov 2019 20:58:32 -0500 Message-Id: <20191113015932.12655-8-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20191113015932.12655-1-sashal@kernel.org> References: <20191113015932.12655-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Ben Greear [ Upstream commit 833fd34d743c728afe6d127ef7bee67e7d9199a8 ] The vdev-start-response message should cause the completion to fire, even in the error case. Otherwise, the user still gets no useful information and everything is blocked until the timeout period. Add some warning text to print out the invalid status code to aid debugging, and propagate failure code. Signed-off-by: Ben Greear Signed-off-by: Kalle Valo Signed-off-by: Sasha Levin --- drivers/net/wireless/ath/ath10k/core.h | 1 + drivers/net/wireless/ath/ath10k/mac.c | 2 +- drivers/net/wireless/ath/ath10k/wmi.c | 19 ++++++++++++++++--- drivers/net/wireless/ath/ath10k/wmi.h | 8 +++++++- 4 files changed, 25 insertions(+), 5 deletions(-) diff --git a/drivers/net/wireless/ath/ath10k/core.h b/drivers/net/wireless/ath/ath10k/core.h index 90c0c4a7175db..414153cd57845 100644 --- a/drivers/net/wireless/ath/ath10k/core.h +++ b/drivers/net/wireless/ath/ath10k/core.h @@ -811,6 +811,7 @@ struct ath10k { struct completion install_key_done; + int last_wmi_vdev_start_status; struct completion vdev_setup_done; struct workqueue_struct *workqueue; diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c index 1588fe8110d00..2294ba311c47a 100644 --- a/drivers/net/wireless/ath/ath10k/mac.c +++ b/drivers/net/wireless/ath/ath10k/mac.c @@ -947,7 +947,7 @@ static inline int ath10k_vdev_setup_sync(struct ath10k *ar) if (time_left == 0) return -ETIMEDOUT; - return 0; + return ar->last_wmi_vdev_start_status; } static int ath10k_monitor_vdev_start(struct ath10k *ar, int vdev_id) diff --git a/drivers/net/wireless/ath/ath10k/wmi.c b/drivers/net/wireless/ath/ath10k/wmi.c index bbfe7be214e12..68d324e6fcb45 100644 --- a/drivers/net/wireless/ath/ath10k/wmi.c +++ b/drivers/net/wireless/ath/ath10k/wmi.c @@ -3102,18 +3102,31 @@ void ath10k_wmi_event_vdev_start_resp(struct ath10k *ar, struct sk_buff *skb) { struct wmi_vdev_start_ev_arg arg = {}; int ret; + u32 status; ath10k_dbg(ar, ATH10K_DBG_WMI, "WMI_VDEV_START_RESP_EVENTID\n"); + ar->last_wmi_vdev_start_status = 0; + ret = ath10k_wmi_pull_vdev_start(ar, skb, &arg); if (ret) { ath10k_warn(ar, "failed to parse vdev start event: %d\n", ret); - return; + ar->last_wmi_vdev_start_status = ret; + goto out; } - if (WARN_ON(__le32_to_cpu(arg.status))) - return; + status = __le32_to_cpu(arg.status); + if (WARN_ON_ONCE(status)) { + ath10k_warn(ar, "vdev-start-response reports status error: %d (%s)\n", + status, (status == WMI_VDEV_START_CHAN_INVALID) ? + "chan-invalid" : "unknown"); + /* Setup is done one way or another though, so we should still + * do the completion, so don't return here. + */ + ar->last_wmi_vdev_start_status = -EINVAL; + } +out: complete(&ar->vdev_setup_done); } diff --git a/drivers/net/wireless/ath/ath10k/wmi.h b/drivers/net/wireless/ath/ath10k/wmi.h index 9b8562ff66987..cce028ea9b57d 100644 --- a/drivers/net/wireless/ath/ath10k/wmi.h +++ b/drivers/net/wireless/ath/ath10k/wmi.h @@ -6248,11 +6248,17 @@ struct wmi_ch_info_ev_arg { __le32 rx_frame_count; }; +/* From 10.4 firmware, not sure all have the same values. */ +enum wmi_vdev_start_status { + WMI_VDEV_START_OK = 0, + WMI_VDEV_START_CHAN_INVALID, +}; + struct wmi_vdev_start_ev_arg { __le32 vdev_id; __le32 req_id; __le32 resp_type; /* %WMI_VDEV_RESP_ */ - __le32 status; + __le32 status; /* See wmi_vdev_start_status enum above */ }; struct wmi_peer_kick_ev_arg { -- 2.20.1