From patchwork Mon Jul 6 07:39:40 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vladimir Kondratiev X-Patchwork-Id: 6720441 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 800DE9F52D for ; Mon, 6 Jul 2015 07:40:55 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id A1636206E3 for ; Mon, 6 Jul 2015 07:40:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A474E206EA for ; Mon, 6 Jul 2015 07:40:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754033AbbGFHku (ORCPT ); Mon, 6 Jul 2015 03:40:50 -0400 Received: from wolverine01.qualcomm.com ([199.106.114.254]:4103 "EHLO wolverine01.qualcomm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751319AbbGFHk1 (ORCPT ); Mon, 6 Jul 2015 03:40:27 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=qca.qualcomm.com; i=@qca.qualcomm.com; q=dns/txt; s=qcdkim; t=1436168427; x=1467704427; h=from:cc:to:subject:date:message-id:in-reply-to: references; bh=XRKnBn61BrYJmN1GldmEg9fpZo8wcgh8PbNP4E5G81c=; b=m9uHf2zGUKzgT/GwCaEyifyBPGlIE1tmodV+LeV1DZCWzqCMj1xNU7RC 8WamM+MjF4LXaP/r8AGUIr6TU45MGj9oUs4bnptLmMxlA/SJC6TPY0mit jWpw1QcFzZT6PZk9CQEaKXEzCW6CZsbi6QNwKY+jWP+79x8sBckFlCi/0 o=; X-IronPort-AV: E=McAfee;i="5700,7163,7853"; a="126382223" Received: from ironmsg04-r.qualcomm.com ([172.30.46.18]) by wolverine01.qualcomm.com with ESMTP/TLS/DHE-RSA-AES256-SHA; 06 Jul 2015 00:40:26 -0700 From: Vladimir Kondratiev Cc: Vladimir Kondratiev , linux-wireless@vger.kernel.org, wil6210@qca.qualcomm.com X-IronPort-AV: E=Sophos;i="5.15,413,1432623600"; d="scan'208";a="1007422761" Received: from lx-wigig-72.mea.qualcomm.com ([10.18.134.253]) by Ironmsg04-R.qualcomm.com with ESMTP; 06 Jul 2015 00:40:18 -0700 To: Kalle Valo Subject: [PATCH v2 04/13] wil6210: count drops in Rx block ack reorder Date: Mon, 6 Jul 2015 10:39:40 +0300 Message-Id: <1436168389-3676-5-git-send-email-qca_vkondrat@qca.qualcomm.com> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1436168389-3676-1-git-send-email-qca_vkondrat@qca.qualcomm.com> References: <1436081080-27305-1-git-send-email-qca_vkondrat@qca.qualcomm.com> <1436168389-3676-1-git-send-email-qca_vkondrat@qca.qualcomm.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=-7.5 required=5.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_HI,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 When performing Rx reordering, count skb's dropped per reorder buffer; and print dropped packets count on the "stations" debugfs entry Signed-off-by: Vladimir Kondratiev --- drivers/net/wireless/ath/wil6210/debugfs.c | 2 +- drivers/net/wireless/ath/wil6210/rx_reorder.c | 2 ++ drivers/net/wireless/ath/wil6210/wil6210.h | 2 ++ 3 files changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/ath/wil6210/debugfs.c b/drivers/net/wireless/ath/wil6210/debugfs.c index 42bc6e6..9ed1a94 100644 --- a/drivers/net/wireless/ath/wil6210/debugfs.c +++ b/drivers/net/wireless/ath/wil6210/debugfs.c @@ -1353,7 +1353,7 @@ static void wil_print_rxtid(struct seq_file *s, struct wil_tid_ampdu_rx *r) else seq_printf(s, "%c", r->reorder_buf[i] ? '*' : '_'); } - seq_printf(s, "] last drop 0x%03x\n", r->ssn_last_drop); + seq_printf(s, "] drop %llu last 0x%03x\n", r->drop, r->ssn_last_drop); } static int wil_sta_debugfs_show(struct seq_file *s, void *data) diff --git a/drivers/net/wireless/ath/wil6210/rx_reorder.c b/drivers/net/wireless/ath/wil6210/rx_reorder.c index ca10dcf..e4ac11c 100644 --- a/drivers/net/wireless/ath/wil6210/rx_reorder.c +++ b/drivers/net/wireless/ath/wil6210/rx_reorder.c @@ -153,6 +153,7 @@ __acquires(&sta->tid_rx_lock) __releases(&sta->tid_rx_lock) /* frame with out of date sequence number */ if (seq_less(seq, r->head_seq_num)) { r->ssn_last_drop = seq; + r->drop++; dev_kfree_skb(skb); goto out; } @@ -173,6 +174,7 @@ __acquires(&sta->tid_rx_lock) __releases(&sta->tid_rx_lock) /* check if we already stored this frame */ if (r->reorder_buf[index]) { + r->drop++; dev_kfree_skb(skb); goto out; } diff --git a/drivers/net/wireless/ath/wil6210/wil6210.h b/drivers/net/wireless/ath/wil6210/wil6210.h index 4b7135e..284edda 100644 --- a/drivers/net/wireless/ath/wil6210/wil6210.h +++ b/drivers/net/wireless/ath/wil6210/wil6210.h @@ -427,6 +427,7 @@ struct pci_dev; * @timeout: reset timer value (in TUs). * @dialog_token: dialog token for aggregation session * @rcu_head: RCU head used for freeing this struct + * @drop: total frames dropped for this reorder buffer * * This structure's lifetime is managed by RCU, assignments to * the array holding it must hold the aggregation mutex. @@ -444,6 +445,7 @@ struct wil_tid_ampdu_rx { u16 buf_size; u16 timeout; u16 ssn_last_drop; + unsigned long long drop; u8 dialog_token; bool first_time; /* is it 1-st time this buffer used? */ };