From patchwork Wed Dec 23 15:39:17 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: 11988541 X-Patchwork-Delegate: kvalo@adurom.com 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=-16.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,MSGID_FROM_MTA_HEADER,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 6DE4DC43219 for ; Wed, 23 Dec 2020 15:43:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 38B4C20578 for ; Wed, 23 Dec 2020 15:43:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729277AbgLWPlx (ORCPT ); Wed, 23 Dec 2020 10:41:53 -0500 Received: from mail-mw2nam12on2078.outbound.protection.outlook.com ([40.107.244.78]:27104 "EHLO NAM12-MW2-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1728422AbgLWPlv (ORCPT ); Wed, 23 Dec 2020 10:41:51 -0500 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=XGmTCfJKBGw3BdnfomMe7IsytuezSMzxxyIwLA4BNnf5/Bz+9TmszMyonHiBiBQelHh2hCF8xRD1wAvEb4TJ/i0pOaJDjpk3xI9fJ+/ouZ2JVMHxa9azClXFD9UoEx38lkquqHX//0ApLswD7b4QeHLFnvq9KaqDWNBxZ7MuXBtQ4zyfFrJVJL1YZ7I16lMQjY3LDdPHbAypSxrvmugnLiHOx/GgutjpmVEPqm9EXFj3dGf71rbX344mq3IVtGZ2pCWnZhoz0mkTrQ2CumjcEqCnMDGDtdVwpIP6ckijDkx37TQ/zZfHb1F7ZczZPOd2OHO99QpbVhZawIr4WJ4hng== 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=oyZovbrWuWNAssWmQIv6YcBO/dyLQ9nf1NwrMuLwb2A=; b=Hko7PcF53yRgYxsc1MRiXtXIYOhBKQlEG93A58rUo2uYwIbckp9iGQMc0jBxuXUC3WOXM4Y/63ahUN9OKCbq67B+YZNFUdacmBth7VR430MPGOHhvOudnuyFVioQP8INQJICk4gvHaRRholXZeU1eF3spdIBgQgoxiK3ZLuwKErTxRRXzSUaAHG729Dut6KIhuMg5tk9kBTrMtEn1iUbfYrnJTel3uBOQciTeJGL09IQa84Z3wrESGXL93mew/GKrDuSAD0Yine4UorjPOoOzqwFIcPxZSEbHvEFkGSw8wPH/e7WfkA+av01Hop7mtPugiFCF22RZusVGdQWcVn0bA== 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=oyZovbrWuWNAssWmQIv6YcBO/dyLQ9nf1NwrMuLwb2A=; b=UMBcUCM8zSEAvN8RutgZoae+tSNXwvxnxSVlBdxS5f6g+96vYQzP36HI6djRYUldM3Ug3OvQAbgMkH/AiA7NYbYamNhfK4LBOyIgJC89t7iTpi48Voh6hL+pkGimxjBYoLxWpirCX0K6WfDYxajaTzpu6hFtOUTQ45B7t0G5UZ0= Authentication-Results: vger.kernel.org; dkim=none (message not signed) header.d=none;vger.kernel.org; dmarc=none action=none header.from=silabs.com; Received: from SN6PR11MB2718.namprd11.prod.outlook.com (2603:10b6:805:63::18) by SN6PR11MB2815.namprd11.prod.outlook.com (2603:10b6:805:62::13) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3676.25; Wed, 23 Dec 2020 15:40:19 +0000 Received: from SN6PR11MB2718.namprd11.prod.outlook.com ([fe80::a989:f850:6736:97ca]) by SN6PR11MB2718.namprd11.prod.outlook.com ([fe80::a989:f850:6736:97ca%5]) with mapi id 15.20.3700.026; Wed, 23 Dec 2020 15:40:19 +0000 From: Jerome Pouiller To: linux-wireless@vger.kernel.org, netdev@vger.kernel.org Cc: devel@driverdev.osuosl.org, linux-kernel@vger.kernel.org, Greg Kroah-Hartman , Kalle Valo , "David S . Miller" , devicetree@vger.kernel.org, Rob Herring , linux-mmc@vger.kernel.org, =?utf-8?q?Pali_Roh=C3=A1r?= , Ulf Hansson , =?utf-8?b?SsOpcsO0bWUgUG91aWxsZXI=?= Subject: [PATCH v4 16/24] wfx: add data_rx.c/data_rx.h Date: Wed, 23 Dec 2020 16:39:17 +0100 Message-Id: <20201223153925.73742-17-Jerome.Pouiller@silabs.com> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20201223153925.73742-1-Jerome.Pouiller@silabs.com> References: <20201223153925.73742-1-Jerome.Pouiller@silabs.com> X-Originating-IP: [82.67.86.106] X-ClientProxiedBy: SA0PR12CA0024.namprd12.prod.outlook.com (2603:10b6:806:6f::29) To SN6PR11MB2718.namprd11.prod.outlook.com (2603:10b6:805:63::18) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from pc-42.silabs.com (82.67.86.106) by SA0PR12CA0024.namprd12.prod.outlook.com (2603:10b6:806:6f::29) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3700.27 via Frontend Transport; Wed, 23 Dec 2020 15:40:16 +0000 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 37482021-529f-4cfb-77d7-08d8a7590d53 X-MS-TrafficTypeDiagnostic: SN6PR11MB2815: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:644; X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: AOVE6SFhH8YkozjmHiwQLiIrexIVJRz6z+ptDT1EzWvYxwke2CcB35yWRJ3xsQ/zZecujEZadqfoGj1KlGOplvQCgZ4LXH63V71aq3V+n16dTKklQbFt50NbwDbUfn2++fBfJqThULHYalTLdSJYWoDReLuWNMUdiimeim5O5UT+rBOkn78PlI/b/P5VZ5oVB5ecF05bWxTqEjFXkp31jJ93LJM8hbrlLm9oz/5LCef7yEeXZWXz6xAmvz4cXgFr9yLjKwlf3+vs2nvbafrp2Po31EKsoG+GLVjtYzrF1frMjNhlojj57u8z1+l5QgRScEqDyEaTgz+8/pE+JQlKk+fyP7fUxMtBf1uGnAjmFjX/HXnFEUPLOSTJ6nXSyEpzVHYsG84pzCnAXFwPAPgJig== 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:(396003)(136003)(366004)(376002)(39850400004)(346002)(478600001)(83380400001)(8676002)(186003)(2906002)(8936002)(26005)(52116002)(107886003)(16526019)(7696005)(66946007)(7416002)(6486002)(956004)(2616005)(54906003)(66476007)(316002)(4326008)(36756003)(5660300002)(1076003)(86362001)(66556008);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData: =?utf-8?q?tVH9h7D1nu8at5aKPxZzRUvZg0jQHm?= =?utf-8?q?RT1j2pomhuealEHZ3bKJodUt2wQjqMt/fUfD048eRdXQxMtuvcieHCk4UeWvzuEh5?= =?utf-8?q?N1BuqrKLS+Up9f8lasggIeggkzWbxfldC16duJAg5pT7igUTiwRGf2y9V1dl5epdq?= =?utf-8?q?n9eEEs37aEMri2UpF0Pcxmv93H3FpRNwge4pDjgDHonmtex07pkAVWzdRPa2+4TAA?= =?utf-8?q?hhW0aWUs/7QI/wZBmLHm1HxS//eRxRcLWD2Qd6ieiZUJbUYAyoccrfVA5A3ZaGVjp?= =?utf-8?q?+uCZD5ari9vgKc6WXcuiUjL3OoLMy2nfoea8rNG4ie2ruTNS5Y/iZo4Z6Ss1A4F8b?= =?utf-8?q?uTXFzmtYQlsta/mfUovklInU6AR2xUSs+6E71P5yDtx96+xXm8ka2QJijGm4/Gb/+?= =?utf-8?q?G1qQBuo0jtW0JeG9t1rPyoSrPCdXfbDL+7ap8ftSts6Fn6vOdA8SYK9+8oMmUdy6K?= =?utf-8?q?U3pUDWgyPIUAZjBEBlw++sqT+Mi58N/RQfECYIK6eGsHhgvsPESfH57/AijFpGomg?= =?utf-8?q?5DNpHedAks9SBPH0LiuQbVvLE3WMxO6T2dJaLZuwFnrWtDC37X9rKpq2IEXJpuCaP?= =?utf-8?q?kab5wC25c8YDg3FZCpCRICwPxRRSKwh0CvIvdboi/P0mLNqKsevGx3wIJje1UqFlI?= =?utf-8?q?syO/hszAgGqgxF8YXKHodhRZx0dPGr8o1eZ8KCJo6EXOkX049ueguuUrKDkOnhF9c?= =?utf-8?q?0hjLEAn5VEdI+xcZUMdkrYL8/0F1ULv8+M2b7kwI520RDMuABzfILW5WuzEfeNL0c?= =?utf-8?q?oSUH1Jr99qrdttkqe2L5hN4G2BjqGbJWTuehBcUoVpfrQqCTTCfQ6diSVBXhAgQTd?= =?utf-8?q?xFG6jonZzHJ+WUChFvBVJVz7RZDIg9WSvDFCUxfYku/EtYfvZS2Ky2sg3zXIj6iB3?= =?utf-8?q?ZkLGk8bPg6h0Y+0fJH4AQCFM71KchCgtRuNHlFfB1jtPlkQIxqU9wLOhVkX8YvYST?= =?utf-8?q?ZhzNUD2pBUPjyeg8V/7?= X-OriginatorOrg: silabs.com X-MS-Exchange-CrossTenant-AuthSource: SN6PR11MB2718.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 23 Dec 2020 15:40:18.8977 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 54dbd822-5231-4b20-944d-6f4abcd541fb X-MS-Exchange-CrossTenant-Network-Message-Id: 37482021-529f-4cfb-77d7-08d8a7590d53 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: a2In/j9P61C7bzw96Eqx9WWg+33FRL7gwRDkZAoz7XuNLoIeedYUYPWWQlXrTYibrIIaUsmWSYKZ49ddXPBDJw== X-MS-Exchange-Transport-CrossTenantHeadersStamped: SN6PR11MB2815 Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org From: Jérôme Pouiller Signed-off-by: Jérôme Pouiller --- drivers/net/wireless/silabs/wfx/data_rx.c | 94 +++++++++++++++++++++++ drivers/net/wireless/silabs/wfx/data_rx.h | 18 +++++ 2 files changed, 112 insertions(+) create mode 100644 drivers/net/wireless/silabs/wfx/data_rx.c create mode 100644 drivers/net/wireless/silabs/wfx/data_rx.h diff --git a/drivers/net/wireless/silabs/wfx/data_rx.c b/drivers/net/wireless/silabs/wfx/data_rx.c new file mode 100644 index 000000000000..e6d9d8746d4d --- /dev/null +++ b/drivers/net/wireless/silabs/wfx/data_rx.c @@ -0,0 +1,94 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Datapath implementation. + * + * Copyright (c) 2017-2020, Silicon Laboratories, Inc. + * Copyright (c) 2010, ST-Ericsson + */ +#include +#include + +#include "data_rx.h" +#include "wfx.h" +#include "bh.h" +#include "sta.h" + +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); + tid = (params & IEEE80211_ADDBA_PARAM_TID_MASK) >> 2; + ieee80211_start_rx_ba_session_offl(wvif->vif, mgmt->sa, tid); + break; + case WLAN_ACTION_DELBA: + params = le16_to_cpu(mgmt->u.action.u.delba.params); + tid = (params & IEEE80211_DELBA_PARAM_TID_MASK) >> 12; + ieee80211_stop_rx_ba_session_offl(wvif->vif, mgmt->sa, tid); + break; + } +} + +void wfx_rx_cb(struct wfx_vif *wvif, + const struct hif_ind_rx *arg, struct sk_buff *skb) +{ + struct ieee80211_rx_status *hdr = IEEE80211_SKB_RXCB(skb); + struct ieee80211_hdr *frame = (struct ieee80211_hdr *)skb->data; + struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)skb->data; + + memset(hdr, 0, sizeof(*hdr)); + + if (arg->status == HIF_STATUS_RX_FAIL_MIC) + hdr->flag |= RX_FLAG_MMIC_ERROR | RX_FLAG_IV_STRIPPED; + else if (arg->status) + goto drop; + + if (skb->len < sizeof(struct ieee80211_pspoll)) { + dev_warn(wvif->wdev->dev, "malformed SDU received\n"); + goto drop; + } + + hdr->band = NL80211_BAND_2GHZ; + hdr->freq = ieee80211_channel_to_frequency(arg->channel_number, + hdr->band); + + if (arg->rxed_rate >= 14) { + hdr->encoding = RX_ENC_HT; + hdr->rate_idx = arg->rxed_rate - 14; + } else if (arg->rxed_rate >= 4) { + hdr->rate_idx = arg->rxed_rate - 2; + } else { + hdr->rate_idx = arg->rxed_rate; + } + + if (!arg->rcpi_rssi) { + hdr->flag |= RX_FLAG_NO_SIGNAL_VAL; + dev_info(wvif->wdev->dev, "received frame without RSSI data\n"); + } + hdr->signal = arg->rcpi_rssi / 2 - 110; + hdr->antenna = 0; + + if (arg->encryp) + hdr->flag |= RX_FLAG_DECRYPTED; + + /* Block ack negotiation is offloaded by the firmware. However, + * re-ordering must be done by the mac80211. + */ + if (ieee80211_is_action(frame->frame_control) && + mgmt->u.action.category == WLAN_CATEGORY_BACK && + skb->len > IEEE80211_MIN_ACTION_SIZE) { + wfx_rx_handle_ba(wvif, mgmt); + goto drop; + } + + ieee80211_rx_irqsafe(wvif->wdev->hw, skb); + return; + +drop: + dev_kfree_skb(skb); +} diff --git a/drivers/net/wireless/silabs/wfx/data_rx.h b/drivers/net/wireless/silabs/wfx/data_rx.h new file mode 100644 index 000000000000..a320cd858273 --- /dev/null +++ b/drivers/net/wireless/silabs/wfx/data_rx.h @@ -0,0 +1,18 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Datapath implementation. + * + * Copyright (c) 2017-2020, Silicon Laboratories, Inc. + * Copyright (c) 2010, ST-Ericsson + */ +#ifndef WFX_DATA_RX_H +#define WFX_DATA_RX_H + +struct wfx_vif; +struct sk_buff; +struct hif_ind_rx; + +void wfx_rx_cb(struct wfx_vif *wvif, + const struct hif_ind_rx *arg, struct sk_buff *skb); + +#endif