From patchwork Wed May 11 17:02:30 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ben Greear X-Patchwork-Id: 9073251 X-Patchwork-Delegate: kvalo@adurom.com Return-Path: X-Original-To: patchwork-linux-wireless@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 8C2DF9F1C1 for ; Wed, 11 May 2016 17:02:58 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 621132010F for ; Wed, 11 May 2016 17:02:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7A55D20142 for ; Wed, 11 May 2016 17:02:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752621AbcEKRCw (ORCPT ); Wed, 11 May 2016 13:02:52 -0400 Received: from mail2.candelatech.com ([208.74.158.173]:53956 "EHLO mail2.candelatech.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752589AbcEKRCp (ORCPT ); Wed, 11 May 2016 13:02:45 -0400 Received: from ben-dt3.candelatech.com (firewall.candelatech.com [50.251.239.81]) by mail2.candelatech.com (Postfix) with ESMTP id A2B6E40C697; Wed, 11 May 2016 10:02:44 -0700 (PDT) From: greearb@candelatech.com To: ath10k@lists.infradead.org Cc: linux-wireless@vger.kernel.org, Ben Greear Subject: [PATCH v2 18/21] ath10k: Note limitation on beaconing vdevs. Date: Wed, 11 May 2016 10:02:30 -0700 Message-Id: <1462986153-16318-19-git-send-email-greearb@candelatech.com> X-Mailer: git-send-email 2.4.3 In-Reply-To: <1462986153-16318-1-git-send-email-greearb@candelatech.com> References: <1462986153-16318-1-git-send-email-greearb@candelatech.com> Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org X-Spam-Status: No, score=-8.3 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Ben Greear This only pertains to CT firmware, as standard firmware can't do anywhere near this many vdevs anyway. Signed-off-by: Ben Greear --- drivers/net/wireless/ath/ath10k/mac.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c index 373f2ee..f1bfb3a 100644 --- a/drivers/net/wireless/ath/ath10k/mac.c +++ b/drivers/net/wireless/ath/ath10k/mac.c @@ -1343,6 +1343,22 @@ static int ath10k_vdev_start_restart(struct ath10k_vif *arvif, arg.channel.max_reg_power = chandef->chan->max_reg_power * 2; arg.channel.max_antenna_gain = chandef->chan->max_antenna_gain * 2; + /* CT Firmware can support 32+ VDEVS, but can only support + * beacon-ing devs with dev ids 0 - 31 due to firmware limitations. + * Create VAPs first and all should be well...likely most people + * won't ever hit this anyway, but some day the vdev ID allocation + * could be made smarter to make it more likely to work no matter the + * order the vdevs are created. --Ben + */ + if ((arvif->vdev_type == WMI_VDEV_TYPE_AP) || + (arvif->vdev_type == WMI_VDEV_TYPE_IBSS)) { + if (arg.vdev_id > 31) { + ath10k_warn(ar, "failed to start vdev %i Beaconing VIFS must have IDs <= 31 to work-around firmware limitations.\n", + arg.vdev_id); + return -EINVAL; + } + } + if (arvif->vdev_type == WMI_VDEV_TYPE_AP) { arg.ssid = arvif->u.ap.ssid; arg.ssid_len = arvif->u.ap.ssid_len;