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=-9.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 73F32C432C0 for ; Fri, 22 Nov 2019 11:25:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4DBEB20672 for ; Fri, 22 Nov 2019 11:25:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1574421928; bh=JDylveYxYy5eZKCf0u5c+uJGqKs+qAq8AmkhwoI/v1c=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=LkBfZe5b4njxyqXzcaR8ryshCdaBYA88/Dix398ZQZAuOS3GKQ3oDfdSmyWNUBkJK tfp3nobffAAxcwyWOqj8/Gdqa5itXf4Az9CjDgAHzykHpCHvQ1V8WC6O0qy+hw7Kjo 2V7qIMbgSSuUB6dcCe1YPKLaAw92WsP3JpPW4wjI= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727438AbfKVKgV (ORCPT ); Fri, 22 Nov 2019 05:36:21 -0500 Received: from mail.kernel.org ([198.145.29.99]:35966 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728375AbfKVKgU (ORCPT ); Fri, 22 Nov 2019 05:36:20 -0500 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 57AFF20708; Fri, 22 Nov 2019 10:36:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1574418979; bh=JDylveYxYy5eZKCf0u5c+uJGqKs+qAq8AmkhwoI/v1c=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=xrnxuimE0w9r5kXtJip/O6Z1cuXpJY7MZbx2nKsveDP2E5YkToBVhTQOqEfYqM+WC dj8N6bTxeP0Gg0YIkOz6B2M4XNa7Nw5nX9lw6u1AEnWBE2LelWPWH1OVlhRW3SR7u3 qYOr0ua6ejAHkVPhQJnq3w5q64dOq32liHbMY5dA= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Ben Greear , Kalle Valo , Sasha Levin Subject: [PATCH 4.4 115/159] ath10k: fix vdev-start timeout on error Date: Fri, 22 Nov 2019 11:28:26 +0100 Message-Id: <20191122100829.881214661@linuxfoundation.org> X-Mailer: git-send-email 2.24.0 In-Reply-To: <20191122100704.194776704@linuxfoundation.org> References: <20191122100704.194776704@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@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 257836a0cfbc0..a7fab3b0a443f 100644 --- a/drivers/net/wireless/ath/ath10k/core.h +++ b/drivers/net/wireless/ath/ath10k/core.h @@ -755,6 +755,7 @@ 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 5a0138c1c0455..7fbf2abcfc433 100644 --- a/drivers/net/wireless/ath/ath10k/mac.c +++ b/drivers/net/wireless/ath/ath10k/mac.c @@ -850,7 +850,7 @@ 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 f7ce99f67b5c5..4d8cdbfc9d422 100644 --- a/drivers/net/wireless/ath/ath10k/wmi.c +++ b/drivers/net/wireless/ath/ath10k/wmi.c @@ -2945,18 +2945,31 @@ 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 a8b2553e8988a..66148a82ad25a 100644 --- a/drivers/net/wireless/ath/ath10k/wmi.h +++ b/drivers/net/wireless/ath/ath10k/wmi.h @@ -5969,11 +5969,17 @@ 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