From patchwork Wed Oct 7 10:19:39 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?b?SsOpcsO0bWUgUG91aWxsZXI=?= X-Patchwork-Id: 11820363 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=-12.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, MSGID_FROM_MTA_HEADER,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 1C2E4C4363C for ; Wed, 7 Oct 2020 10:20:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B1B6F20870 for ; Wed, 7 Oct 2020 10:20:30 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=silabs.onmicrosoft.com header.i=@silabs.onmicrosoft.com header.b="KsspoNOz" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728087AbgJGKUT (ORCPT ); Wed, 7 Oct 2020 06:20:19 -0400 Received: from mail-bn8nam12on2073.outbound.protection.outlook.com ([40.107.237.73]:13506 "EHLO NAM12-BN8-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1728029AbgJGKUS (ORCPT ); Wed, 7 Oct 2020 06:20:18 -0400 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=NtNNG95vaS1Trnf4Gy/0twCs+7n/kzy9wkIEO0IJgT7SpbhALRMFrxEwhDgzksDx8iI8vt3Xo2g4PI93OvWk1B07JKCXa9mI0A/snzdytn4q/rGuPzBm6OY9OV3+AkQY+2qkocYKsgKEwrKr67RbTLnicMdi3yBRrXYnsVKxZklwWOp+bCzJjub6zEcSohlqYiyrr2QPRMc7DEyax84V1vTRCEK+yQiro9fhMDggE9GBUxpF1/1p8aZ/U9B9NiQqhaNvlBqk4ZBuejiiIu3bzArMH6aVPm2aNBO4ST8MAnqx/CXMmQdzj76HzdZWiybCO7xiT9c9d3ZrDmAPCNaY5Q== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=fqPnL0gi5acflRGc9mweGH3oOEzMLHjkZgZJqC9mTFo=; b=EeQ5GbkdAQjgVWW4EP6XRSir3oipH30CCuyJhV99WGQ6XAAtr1K+SNzU7j+OHtO83uc0kAuO+bEuqD6pOZmwYMEKKP0+1PuU6fBLanDm2XEVy4uI7GL+dCd/+YMQthEenDjRC6DfaHThZiOPcH/x+kaNoeRihGFfdDSuMQJuCwh+DJWSMThxV1hzWMrnpni9ZC6m413bDNephSQvw3LRb4TbbOu558FnSjkcgYzvDEyqdqY9t/b44C9DQD84/H7d3XVA0VReRCksSwUNEttdl9qwaYXnGuFS6kFOqRpbSjYZoW93QNEZ7vbkXqGnfpHOoiHp1NO2RA5BzSIMvHAyyw== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=silabs.com; dmarc=pass action=none header.from=silabs.com; dkim=pass header.d=silabs.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=silabs.onmicrosoft.com; s=selector2-silabs-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=fqPnL0gi5acflRGc9mweGH3oOEzMLHjkZgZJqC9mTFo=; b=KsspoNOzBJf4GvZAq2T2VERLZpp8GQcSJfEY8dNgWE5IOS4r5JxAdAetkmUffJ+oxM4JINATvjHD7HArOyqK2UkyMc4Isu4xYJUCo2NIobAg+3uGpjEqr+WkNCYpTgRfCCGbgYQpnWAgklCI2APJYf8OHwVXDrBS8i6lqduTbmk= Authentication-Results: driverdev.osuosl.org; dkim=none (message not signed) header.d=none;driverdev.osuosl.org; dmarc=none action=none header.from=silabs.com; Received: from SN6PR11MB2718.namprd11.prod.outlook.com (2603:10b6:805:63::18) by SA0PR11MB4670.namprd11.prod.outlook.com (2603:10b6:806:9a::8) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3455.23; Wed, 7 Oct 2020 10:20:08 +0000 Received: from SN6PR11MB2718.namprd11.prod.outlook.com ([fe80::4f5:fbe5:44a7:cb8a]) by SN6PR11MB2718.namprd11.prod.outlook.com ([fe80::4f5:fbe5:44a7:cb8a%5]) with mapi id 15.20.3433.044; Wed, 7 Oct 2020 10:20:08 +0000 From: Jerome Pouiller To: devel@driverdev.osuosl.org, linux-wireless@vger.kernel.org Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Greg Kroah-Hartman , Kalle Valo , "David S . Miller" , =?utf-8?b?SsOpcsO0bWUgUG91aWxsZXI=?= Subject: [PATCH 3/7] staging: wfx: fix BA sessions for older firmwares Date: Wed, 7 Oct 2020 12:19:39 +0200 Message-Id: <20201007101943.749898-4-Jerome.Pouiller@silabs.com> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20201007101943.749898-1-Jerome.Pouiller@silabs.com> References: <20201007101943.749898-1-Jerome.Pouiller@silabs.com> X-Originating-IP: [82.67.86.106] X-ClientProxiedBy: PR0P264CA0111.FRAP264.PROD.OUTLOOK.COM (2603:10a6:100:19::27) To SN6PR11MB2718.namprd11.prod.outlook.com (2603:10b6:805:63::18) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from pc-42.home (82.67.86.106) by PR0P264CA0111.FRAP264.PROD.OUTLOOK.COM (2603:10a6:100:19::27) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3455.23 via Frontend Transport; Wed, 7 Oct 2020 10:20:06 +0000 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: c43c7c16-7c07-4aa7-3b97-08d86aaa90ff X-MS-TrafficTypeDiagnostic: SA0PR11MB4670: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:4125; X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: c0yT3ytOczOF2iE5SEqBwP85SdUFnGPNKSTL6j+PzMG8q2MeXyIgW/xIRFgKjiV0s5w2qJ0bM4mIhg0PNipIHdergj6I0N3P8Wbs1EeqYuO/ObqZrOqVEEGifEBl1bCn7JtQFLdW5pYIuWN7+HCmjaE1CWYEwH18FWzrOBSNrDx63P5Rcc9QTF7qT5TywMokwFNp1Z+StD9i5yQxi4PjOQMaNbQFEY4N1UBQ10OgkMdUR5ZJYNfjIJhQhu5EFre5N6e786WUMzjSxXNUu30OhTJeQ2yTNUvf7AoOEewr2Nnr/XKAw2MSiBa1EU0dcbbj X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:SN6PR11MB2718.namprd11.prod.outlook.com;PTR:;CAT:NONE;SFS:(39850400004)(346002)(136003)(376002)(366004)(396003)(66556008)(66476007)(6486002)(66946007)(316002)(54906003)(4326008)(478600001)(2906002)(1076003)(5660300002)(186003)(8936002)(8676002)(16526019)(52116002)(83380400001)(26005)(6506007)(2616005)(86362001)(956004)(107886003)(8886007)(36756003)(6666004)(6512007);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData: 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 X-OriginatorOrg: silabs.com X-MS-Exchange-CrossTenant-Network-Message-Id: c43c7c16-7c07-4aa7-3b97-08d86aaa90ff X-MS-Exchange-CrossTenant-AuthSource: SN6PR11MB2718.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 07 Oct 2020 10:20:08.4044 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 54dbd822-5231-4b20-944d-6f4abcd541fb X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: uZ2tmvqCLU8AGuF7pzL+mYSjBzf2pNz9Nnmb9ykdHoJ8sz9HOn1oTZvOZQAmG19jtp5K753B7YKu73hqq1lutg== X-MS-Exchange-Transport-CrossTenantHeadersStamped: SA0PR11MB4670 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Jérôme Pouiller Firmwares with API < 3.6 do not forward DELBA requests. Thus, when a Block Ack session is restarted, the reordering buffer is not flushed and the received sequence number is not contiguous. Therefore, mac80211 starts to wait some missing frames that it will never receive. This patch disables the reordering buffer for old firmware. It is harmless when the network is unencrypted. When the network is encrypted, the non-contiguous frames will be thrown away by the TKIP/CCMP replay protection. So, the user will observe some packet loss with UDP and performance drop with TCP. Fixes: e5da5fbd7741 ("staging: wfx: fix CCMP/TKIP replay protection") Signed-off-by: Jérôme Pouiller --- drivers/staging/wfx/data_rx.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/staging/wfx/data_rx.c b/drivers/staging/wfx/data_rx.c index 86781098edc0..3822a22b9fe3 100644 --- a/drivers/staging/wfx/data_rx.c +++ b/drivers/staging/wfx/data_rx.c @@ -17,6 +17,9 @@ static void wfx_rx_handle_ba(struct wfx_vif *wvif, struct ieee80211_mgmt *mgmt) { int params, tid; + if (wfx_api_older_than(wvif->wdev, 3, 6)) + return; + switch (mgmt->u.action.u.addba_req.action_code) { case WLAN_ACTION_ADDBA_REQ: params = le16_to_cpu(mgmt->u.action.u.addba_req.capab);