From patchwork Fri Feb 26 19:05:31 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peter Oh X-Patchwork-Id: 8441411 Return-Path: X-Original-To: patchwork-ath10k@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id ED022C0553 for ; Fri, 26 Feb 2016 19:07:34 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 28FAC20395 for ; Fri, 26 Feb 2016 19:07:34 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 4343120361 for ; Fri, 26 Feb 2016 19:07:33 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1aZNja-00062H-Oc; Fri, 26 Feb 2016 19:07:26 +0000 Received: from wolverine02.qualcomm.com ([199.106.114.251]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1aZNjZ-0005ur-Dt for ath10k@lists.infradead.org; Fri, 26 Feb 2016 19:07:25 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=qca.qualcomm.com; i=@qca.qualcomm.com; q=dns/txt; s=qcdkim; t=1456513645; x=1488049645; h=from:to:cc:subject:date:message-id:mime-version; bh=8wQBqEqyD0amWYhnsbCgbzZ3ZzjMyvYf4Roz0HCcPgc=; b=NkecQ+N6aLzYs56LivHsqkAM4Yjb0hYEB73qppqCU1T54NfpDcIFcg3L hMSxLk0/rT2btTQDOIJeBpMgZ1pF54pSt009iwh7IS/HqBxEB3LHsguOK duoraniup6VSLWjQzuBYEo3/HJFI6d8NI1CfgF017wwC2QmtyAZgMc+ww w=; X-IronPort-AV: E=Sophos;i="5.22,504,1449561600"; d="scan'208";a="266575234" Received: from unknown (HELO Ironmsg04-L.qualcomm.com) ([10.53.140.111]) by wolverine02.qualcomm.com with ESMTP/TLS/DHE-RSA-AES256-SHA; 26 Feb 2016 11:07:04 -0800 X-IronPort-AV: E=McAfee;i="5700,7163,8087"; a="1071534786" Received: from nasanexm01b.na.qualcomm.com ([10.85.0.82]) by Ironmsg04-L.qualcomm.com with ESMTP/TLS/RC4-SHA; 26 Feb 2016 11:07:04 -0800 Received: from linux-poh.qualcomm.com (10.80.80.8) by NASANEXM01B.na.qualcomm.com (10.85.0.82) with Microsoft SMTP Server (TLS) id 15.0.1130.7; Fri, 26 Feb 2016 11:07:04 -0800 From: Peter Oh To: Subject: [PATCH] ath10k: parse Rx MAC timestamp in mgmt frame for FW 10.4 Date: Fri, 26 Feb 2016 11:05:31 -0800 Message-ID: <1456513531-14528-1-git-send-email-poh@qca.qualcomm.com> X-Mailer: git-send-email 1.9.1 MIME-Version: 1.0 X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: NASANEXM01F.na.qualcomm.com (10.85.0.32) To NASANEXM01B.na.qualcomm.com (10.85.0.82) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20160226_110725_551716_7C7CC173 X-CRM114-Status: UNSURE ( 7.75 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -7.0 (-------) X-BeenThere: ath10k@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-wireless@vger.kernel.org Sender: "ath10k" Errors-To: ath10k-bounces+patchwork-ath10k=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_MED,RP_MATCHES_RCVD,T_DKIM_INVALID,UNPARSEABLE_RELAY autolearn=unavailable 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 Check and parse Rx MAC timestamp when firmware sets its flag to status variable. 10.4 firmware adds it in Rx beacon frame only at this moment. Drivers and mac80211 may utilize it to detect such clockdrift or beacon collision and use the result for beacon collision avoidance. Signed-off-by: Peter Oh --- drivers/net/wireless/ath/ath10k/wmi.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/net/wireless/ath/ath10k/wmi.c b/drivers/net/wireless/ath/ath10k/wmi.c index 1ce6742..94968d6 100644 --- a/drivers/net/wireless/ath/ath10k/wmi.c +++ b/drivers/net/wireless/ath/ath10k/wmi.c @@ -2211,6 +2211,8 @@ static int ath10k_wmi_10_4_op_pull_mgmt_rx_ev(struct ath10k *ar, struct wmi_10_4_mgmt_rx_hdr *ev_hdr; size_t pull_len; u32 msdu_len; + struct wmi_mgmt_rx_ext_info *ext_info; + u32 len; ev = (struct wmi_10_4_mgmt_rx_event *)skb->data; ev_hdr = &ev->hdr; @@ -2231,6 +2233,13 @@ static int ath10k_wmi_10_4_op_pull_mgmt_rx_ev(struct ath10k *ar, if (skb->len < msdu_len) return -EPROTO; + if (le32_to_cpu(arg->status) & WMI_RX_STATUS_EXT_INFO) { + len = ALIGN(le32_to_cpu(arg->buf_len), 4); + ext_info = (struct wmi_mgmt_rx_ext_info *)(skb->data + len); + memcpy(&arg->ext_info, ext_info, + sizeof(struct wmi_mgmt_rx_ext_info)); + } + /* Make sure bytes added for padding are removed. */ skb_trim(skb, msdu_len);