From nobody Sat Feb 7 09:30:03 2026 Received: from DB3PR0202CU003.outbound.protection.outlook.com (mail-northeuropeazon11010007.outbound.protection.outlook.com [52.101.84.7]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5F53B42E016; Wed, 4 Feb 2026 18:05:55 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=52.101.84.7 ARC-Seal: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770228355; cv=fail; b=SCtN/tAD8bws3GCsnsy4mpjRddqjndOyAeSd9LyEa2KcCMEYgNGUa6pJdOB/249ATMnBBgVXPhZeuLFcCYK7WJJtbJmvR/+qY8sttcGlPbQyGlYHqE48PrH1erDS5G9jSa8l5lWC2hmsz1yxdr0Z4657+INRMTYN8hM0TWnLEz4= ARC-Message-Signature: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770228355; c=relaxed/simple; bh=7wQRYFWZAR5rkvbbJaiRIxmeNP9OshPOEfK9wx/otOA=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: Content-Type:MIME-Version; b=MzVRFXvtDgMU8796lY1rBwtYAS69ziHxYiLNF5linhpqpIlAOonbyWBEYlvv1eBTb8lk2SUP4ub4/pYnoW7CiEab1m+xqmocCSZVTIoIKMmAsjMGvqcpOLeoWeLERAADTVKdyZMg6dlWNIe2lT6qoua8t9HwMesGZRaqEzlFFaQ= ARC-Authentication-Results: i=2; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=nxp.com; spf=pass smtp.mailfrom=nxp.com; dkim=pass (2048-bit key) header.d=nxp.com header.i=@nxp.com header.b=NgGwkD+f; arc=fail smtp.client-ip=52.101.84.7 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=nxp.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=nxp.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=nxp.com header.i=@nxp.com header.b="NgGwkD+f" ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=FXueZWpqhm43OpnTc4GGkk4veKJ2cv6orBUErqlv1xsK2HnANPtdla3m+yz+dWprkKSz1aF1/+Y5C1LQ8xMMnMVmGMT03Lk2DTcOpn4nbdCjF0OaQM0JgLeHvAv/M68HEdefoPVhisq0a30OW8SkoMyCqvW5BfG1FQSYUF3OGedgNnWy9lcG+EofytHttjdUFsEyK94l5Z62OEQYOaIhuJT7KQriBm3GycFCPj99F1Ql34dESCn7Ab32F73s2jA1bPpziz/AzJbpX8GX7nr4XY0Z8/qJgeeA8aZdwNWW7keCLS3JvFFvN1/0A+0hn883VggWgrInLaQZZVEFlkZdCA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector10001; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=sp6AW69/tFsD6huikmfSpEe162rEFCGjP2gKlgOxcj0=; b=zDKZfKDlmDFO3HnfTK5kqbfiuX6T29pvbE+BaKRf6xpXgx87tz4ZgoSJjWQ35QL4t5eJnacI2uss93TxA1hgZIeGScwCZRFiQi172+gqmhlJdKG6gCwHIVpK7cJA/LIGf//m8/fvSFBIl9F/UByUv50Mg2WIiyZbYNzC2kZztASFRVHF+BE6nZkUzd+JNvPeq6gxegqTBusRNxjdDwY2+trNx+a5xOUbuMF0a5m6buZC2B3tt/L5EfR3hmZ+z7XJnxiP1VW8/TSWq8hgZ/IT8RVCPBACFfiX6DagtlQS4hLxCL3itQvIplY7OUERhpS38N9iDNp3gX3ZF9eW1VnU5g== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=nxp.com; dmarc=pass action=none header.from=nxp.com; dkim=pass header.d=nxp.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nxp.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=sp6AW69/tFsD6huikmfSpEe162rEFCGjP2gKlgOxcj0=; b=NgGwkD+fwbibVyijgxD9tZ2liuoRfp2gzFAoDrxkCI3GWOos7hm2kfpBZUHSdzfs8BgKAE4bbc29zoBF3OoWB24V4xGMz92FcD0dINAU/l1OjxL6L9JKD7WydMdFri9n9UPivsF3/jIXnbuscZFb19c6dbVX0Qw5cMwU5dwBZN2/r9k41BiJbZQ/CqC6RZ58wrwy6WKu579ucsB5HXHZNEeMOy/zC9sxEHVvn5IrszhymOiYrFtToZkaqtJEiDHLciEMwyusiLjM7SmxwHWv9pEskZb0g6Wz41UTpwQysA8ZWcSeiaCpBeSDQMEPJSo4ZExsfnsWaDY5U7Kb6nCLqg== Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=nxp.com; Received: from PAXPR04MB9255.eurprd04.prod.outlook.com (2603:10a6:102:2bb::13) by GV2PR04MB11980.eurprd04.prod.outlook.com (2603:10a6:150:2f3::16) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9587.12; Wed, 4 Feb 2026 18:05:54 +0000 Received: from PAXPR04MB9255.eurprd04.prod.outlook.com ([fe80::1eb5:3ebc:9f11:f20b]) by PAXPR04MB9255.eurprd04.prod.outlook.com ([fe80::1eb5:3ebc:9f11:f20b%4]) with mapi id 15.20.9564.016; Wed, 4 Feb 2026 18:05:54 +0000 From: Jeff Chen To: linux-wireless@vger.kernel.org Cc: linux-kernel@vger.kernel.org, briannorris@chromium.org, johannes@sipsolutions.net, francesco@dolcini.it, s.hauer@pengutronix.de, Jeff Chen Subject: [PATCH v9 17/21] wifi: nxpwifi: add driver initialization and shutdown support Date: Thu, 5 Feb 2026 02:03:54 +0800 Message-Id: <20260204180358.632281-18-jeff.chen_1@nxp.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260204180358.632281-1-jeff.chen_1@nxp.com> References: <20260204180358.632281-1-jeff.chen_1@nxp.com> Content-Transfer-Encoding: quoted-printable X-ClientProxiedBy: SI2P153CA0015.APCP153.PROD.OUTLOOK.COM (2603:1096:4:140::21) To PAXPR04MB9255.eurprd04.prod.outlook.com (2603:10a6:102:2bb::13) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: PAXPR04MB9255:EE_|GV2PR04MB11980:EE_ X-MS-Office365-Filtering-Correlation-Id: 68a83459-2a2f-47fc-1b62-08de641809bc X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|366016|1800799024|52116014|376014|19092799006|38350700014; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?C4+3B46ly5rwPjDH8A55CHYoT9UJFwW2fPddFXKS3lC8OgEV5bh23l2arhO+?= =?us-ascii?Q?qWdS36JYRnFIfsg157dIOaVIrauqReIdeQDiSLJEUJEj4GYdJoQGWlTdy69L?= =?us-ascii?Q?5KgP1lfH3J7QiK5Nn9CtDtdwOhtCqv9zu1x9z8Nruv3lds21Cz3tDRA7h2Qy?= =?us-ascii?Q?zNh8SmBdRC9FBWMgmrQvu4s1L0Joz/vET02ReyYMy2SP8g9GHyOiIrUDv+dp?= =?us-ascii?Q?+WbJyW8oHr3+CL+G0JMdbiwLorQlFJqfRB0clVxeoLCbrWZX16sq+q+zyL7S?= =?us-ascii?Q?DSGzUiHYLKvUUwQ6bJ8GhQE1BupWa9I5b1ZqEOFWVtJonhd+NtsmIw0Av6Nw?= =?us-ascii?Q?xacX1AYkw9SKZYtdUO1NlEkGcPagNeZhJ7T7vXA7NSwplvqJtdiiHFUrNGdD?= =?us-ascii?Q?UpsoqSnqavlGHN2YE1HHJAAsreVJQVflvR6HAiuQWZKQmmXGuETw7emOrSPI?= =?us-ascii?Q?yD57EyUR55qcQ6heiY94rLn4GZVnnv2jRtkaB7B/e/GpOkafpcNxJArTwvpE?= =?us-ascii?Q?b8jvmc2+OQDyu3A6wVR0hT6dNn5fD3Kc8ooEOFkcca34w2xCK7Hmg4ObOaAZ?= =?us-ascii?Q?/91nFyrkI46M9HjEWFGcTWmLAb82Oi5e2G7lHrtRiGasdOPDnioAEAtQpnXj?= =?us-ascii?Q?C9+Ia1Cd5xGc9BnEqWqSZzC42V0xqtWkvRhIe6SMHuMrfwicDeE2vR5rEUOD?= =?us-ascii?Q?nlWL/jeBxLhP3zOxGcW1FYhR4EuSixWA2GD/Hl/n2aauI4f7We9/hRCZ7XOP?= =?us-ascii?Q?ajeMLE2N5QJpwYyUqX/xveS5D+IZIKOPKvRv9d89N6jjMcNx0O1DnLofj18o?= =?us-ascii?Q?74zaBeFEMlmTox3EWc9DwfrDKPnJuRhpHCFHHgDy6Q8Td1O1/pKsHWhhzSlj?= =?us-ascii?Q?82WqnycRe6Rv6TN9bZW438GT7ju1UR6KA4sg0LpkqgEyweXh1CSiuxWWqL6I?= =?us-ascii?Q?SgkY1oTWX59BNJl9ydy33NUEn1AuDd0P5P9c6PIaBzxvn2VAdG+OrX62tean?= =?us-ascii?Q?iaP8ALcvgQK+iSRXQE/adSIH+j5Qqqs2sX35B93TCqG5Wp94m8zhrrfDjuHx?= =?us-ascii?Q?8uM3DuQ6BF61RLUQOJ0fuqccpqJj8AIEtZMUa9DkYwm0dRBWkzpleO8xVbRO?= =?us-ascii?Q?hP6Si/AOhGtnajxdlUH+Wqhrp5jJPHwfNz6+aYkKyCJdeI3jse6D9T9DsDLV?= =?us-ascii?Q?Ap7WeICPVKr4eB39TBKKOr83DZUiacvNCkb0WhTRMew5PXGCIK63xWLTPjMY?= =?us-ascii?Q?bdeNTBOtis1qmp8KuUTFpxRTMt3c5zf6Huj+qgFdK5bF2PoQUeEbPXLw8C6v?= =?us-ascii?Q?bn335ebWfko09QN5x5jy/kIr2yDW4dmeUiF82L3Av+qh9RfyP0HhgVhVNCK1?= =?us-ascii?Q?g4cYbT8ulgJo48YfwlN7eTqNP7M11IoxJou9jMdPiNSXOXx1X3IJajqHyFHI?= =?us-ascii?Q?bv1csoRS/jbHnk46axsthfyEISfN/+Ypbyig1TJcHz/lMNTzB1y1yaaltkGf?= =?us-ascii?Q?do1zv/LWMGR4sWsxybx8bA+aa6c9Lu01hsl262y9PlQEAsNs2asQUX2XvZ/Z?= =?us-ascii?Q?WE08X4sedka3F9/so6Ye91KvHveCNvKcgeoNq3Ftc4WL+9xUqVh5TD0/rA3r?= =?us-ascii?Q?B85FQ8uqeSi5/l4lOX5YO2M=3D?= X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:PAXPR04MB9255.eurprd04.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230040)(366016)(1800799024)(52116014)(376014)(19092799006)(38350700014);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?o/i3RhhZMt+jTp1quUMiYUaMGI2JdXytjlyNr/P9kr3SZFZHCFotLjp8DNaF?= =?us-ascii?Q?mBX14GT7kJpdkZBQNM2w20O4ogYJQuNFnlAxbEmCFW1qYIp8QFAWmqwJKY32?= =?us-ascii?Q?lhJjWPumnCTQ7ytPFRj78r25PLOh3LQWDT7B/VW7CciOCoxppi1FGbqcA/c6?= =?us-ascii?Q?NoC7oDzKXa9HQiMCAPMNKWRA6z8uYoPXIDFS2chtebwgLaGT3F7lSnh7FD9s?= =?us-ascii?Q?IKOGZEC1QDATuf1jogJsD66eqP+MTwQHYfomHHNJFYEyEOLM/lq77KA270M1?= =?us-ascii?Q?vpFCZTm9AuI64rFtmZtbN1FDwT//z5TcJG5KNxValPDMCkWFzFI5N2iguOjk?= =?us-ascii?Q?5ask2H0Fvvw5lZV1GcT44ph+znBDkSJ2c13LaD9Qx03QHsStQ7Z9HExdWUt3?= =?us-ascii?Q?RDAqUyWSzCZKFGZ4sTYydQHfqYsZ2MVfTpnzu6g88kmwJ3GCI7Muk108dZp8?= =?us-ascii?Q?FTJakLDOi/swpGV5p0A9XSjHOPska/yR6+Wb6yt8zLKRkRgFwD6iWsUStsRk?= =?us-ascii?Q?pi8cZ5VCn984LwBqQlDQyAIJW2euFTM37t5PVBcl47xmJCrARWiFTxJFmRFf?= =?us-ascii?Q?ztbB3UhmyKFcbLNkBuM2uqM19E+48lR4rpq1uymoivfAYf1MYGuTAuw6u28T?= =?us-ascii?Q?hiLok54SCXYv3gN6jUaTvn2PwPG2MhOwjXb2jIzlw1+4/biiNzuPTdHHE9Af?= =?us-ascii?Q?mIUVN0Wvmxi6ycN3/TcV05sD030CVotyYaAGAWtZMeFTQ8kVadvgfOQuFQ57?= =?us-ascii?Q?M5/yBll0g3sMEig1l5mDJQdmrO2oX9KWlZjsnClt9ba1afi/YvjVxp3aYI4D?= =?us-ascii?Q?545C3DwvcXeBKybL5eZp/3xNYq7AIQqpHCC5O5cCO7h/8uT2bUDJn0Uxr5GM?= =?us-ascii?Q?ycr+liC9xzovlm67wlYxLi32sVuM6FvUwnhOFJufuG6NbX/UBBkjmCajULvU?= =?us-ascii?Q?f+5vXw0aX52g9cw2S4fZxChKSm5bqKQikuoasyxcajUrxRUv4ZAUN3pxEhNr?= =?us-ascii?Q?9cC+ptXkdomgdiotK6Kr7vEMhE8xKYcpWHNIjJTV/o9nRIHw8LjM4AIDE4ly?= =?us-ascii?Q?NkrAM598PhMHAI2lilL4yieFKCM/RGULiP/MFwer+ppK5syeNgTzAu7EAy2z?= =?us-ascii?Q?Zsp+I2+hIQ0DU3ugc6C2KVgx5LyCHDv2MRC0qwksOLN7wTlT0/TM8dNaN5Jf?= =?us-ascii?Q?2RNAVvedDTbW2nwO1DmbLejAKoXwvfrT5p/PEEqsp8FDBULFfhTt470qudgM?= =?us-ascii?Q?+dC10qvMo7EdOcpOjOd43pRA9pt47Q5D5AHVt5tvbfJN4hzMHy9LL8rWu0tI?= =?us-ascii?Q?TPaechPYfT5/32+f9oTi1EFPtsiTPNV3Kws3yi1DjG40ecbpT1bSBQ51KNOU?= =?us-ascii?Q?VXZtmKI+8Jj6vGqE4lG5A9q1iKxov0OfbQCuGvLGte6X+9Bo5wbzz5LbUL1o?= =?us-ascii?Q?na0F9nczKsOrotnt70OxgU0WkBorPpVZ445t64rhfY3NuBZ3TfsuVyZMwl7D?= =?us-ascii?Q?AdsHo9nAdtzB+94UeyAE5xt+ldDmqOOywZ17aAxX0htIE57j4mLSxsTSdrmn?= =?us-ascii?Q?2rRVAwSDkkAopSCte0sefbN5AMPna8sIJF1+vVsh6jEyogmHE7P94/rGRvoX?= =?us-ascii?Q?Fz8COD3URUXM40BxC51yPJfuqSEoNJQEpFRlFZ+CtsSD4fO8TeFw3E8B+sB7?= =?us-ascii?Q?8wYmG4vNhyIJjirINYTrW0CBf6sLeA5ZlQJfWx8HG6fGJxX61GrBHQ59JeUw?= =?us-ascii?Q?lnKvqc7vMw=3D=3D?= X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 68a83459-2a2f-47fc-1b62-08de641809bc X-MS-Exchange-CrossTenant-AuthSource: PAXPR04MB9255.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 04 Feb 2026 18:05:54.0112 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: XShx4/WXEpbXL6FyuLzxke9drpk86iBBe7TDFkDzhL03KUgzkpjZGV98y4kWLBCqZ9uxYbefYDl13VqVJXy6lA== X-MS-Exchange-Transport-CrossTenantHeadersStamped: GV2PR04MB11980 Content-Type: text/plain; charset="utf-8" This patch introduces the initialization and shutdown logic for the nxpwifi driver, including setup of adapter and private structures, firmware download,and resource cleanup. Key features: - Initializes adapter and private structures with default values - Allocates and initializes command buffers, queues, and timers - Sets up BSS priority tables for multi-interface coordination - Implements firmware download and initialization sequence - Provides shutdown and cleanup routines for safe driver removal - Adds helpers for managing netdev queues and synchronization primitives These foundational components are essential for bringing up the driver and ensuring proper resource management across its lifecycle. Signed-off-by: Jeff Chen --- drivers/net/wireless/nxp/nxpwifi/init.c | 607 ++++++++++++++++++++++++ 1 file changed, 607 insertions(+) create mode 100644 drivers/net/wireless/nxp/nxpwifi/init.c diff --git a/drivers/net/wireless/nxp/nxpwifi/init.c b/drivers/net/wireless= /nxp/nxpwifi/init.c new file mode 100644 index 000000000000..7e472dd194a1 --- /dev/null +++ b/drivers/net/wireless/nxp/nxpwifi/init.c @@ -0,0 +1,607 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * nxpwifi: HW/FW initialization + * + * Copyright 2011-2024 NXP + */ + +#include "cfg.h" +#include "util.h" +#include "fw.h" +#include "main.h" +#include "cmdevt.h" +#include "wmm.h" +#include "11n.h" + +/* Add a BSS priority node to the adapter list. */ +static int nxpwifi_add_bss_prio_tbl(struct nxpwifi_private *priv) +{ + struct nxpwifi_adapter *adapter =3D priv->adapter; + struct nxpwifi_bss_prio_node *bss_prio; + struct nxpwifi_bss_prio_tbl *tbl =3D adapter->bss_prio_tbl; + + bss_prio =3D kzalloc(sizeof(*bss_prio), GFP_KERNEL); + if (!bss_prio) + return -ENOMEM; + + bss_prio->priv =3D priv; + INIT_LIST_HEAD(&bss_prio->list); + + spin_lock_bh(&tbl[priv->bss_priority].bss_prio_lock); + list_add_tail(&bss_prio->list, &tbl[priv->bss_priority].bss_prio_head); + spin_unlock_bh(&tbl[priv->bss_priority].bss_prio_lock); + + return 0; +} + +static void wakeup_timer_fn(struct timer_list *t) +{ + struct nxpwifi_adapter *adapter =3D timer_container_of(adapter, t, wakeup= _timer); + + nxpwifi_dbg(adapter, ERROR, "Firmware wakeup failed\n"); + adapter->hw_status =3D NXPWIFI_HW_STATUS_RESET; + nxpwifi_cancel_all_pending_cmd(adapter); + + if (adapter->if_ops.card_reset) + adapter->if_ops.card_reset(adapter); +} + +/* Initialize priv defaults and lists. */ +int nxpwifi_init_priv(struct nxpwifi_private *priv) +{ + u32 i; + + priv->media_connected =3D false; + eth_broadcast_addr(priv->curr_addr); + priv->port_open =3D false; + priv->usb_port =3D NXPWIFI_USB_EP_DATA; + priv->pkt_tx_ctrl =3D 0; + priv->bss_mode =3D NL80211_IFTYPE_UNSPECIFIED; + priv->data_rate =3D 0; /* Initially indicate the rate as auto */ + priv->is_data_rate_auto =3D true; + priv->bcn_avg_factor =3D DEFAULT_BCN_AVG_FACTOR; + priv->data_avg_factor =3D DEFAULT_DATA_AVG_FACTOR; + + priv->auth_flag =3D 0; + priv->auth_alg =3D WLAN_AUTH_NONE; + + priv->sec_info.wep_enabled =3D 0; + priv->sec_info.authentication_mode =3D NL80211_AUTHTYPE_OPEN_SYSTEM; + priv->sec_info.encryption_mode =3D 0; + for (i =3D 0; i < ARRAY_SIZE(priv->wep_key); i++) + memset(&priv->wep_key[i], 0, sizeof(struct nxpwifi_wep_key)); + priv->wep_key_curr_index =3D 0; + priv->curr_pkt_filter =3D HOST_ACT_MAC_DYNAMIC_BW_ENABLE | + HOST_ACT_MAC_RX_ON | HOST_ACT_MAC_TX_ON | + HOST_ACT_MAC_ETHERNETII_ENABLE; + + priv->beacon_period =3D 100; /* beacon interval */ + priv->attempted_bss_desc =3D NULL; + memset(&priv->curr_bss_params, 0, sizeof(priv->curr_bss_params)); + priv->listen_interval =3D NXPWIFI_DEFAULT_LISTEN_INTERVAL; + + memset(&priv->prev_ssid, 0, sizeof(priv->prev_ssid)); + memset(&priv->prev_bssid, 0, sizeof(priv->prev_bssid)); + memset(&priv->assoc_rsp_buf, 0, sizeof(priv->assoc_rsp_buf)); + priv->assoc_rsp_size =3D 0; + priv->atim_window =3D 0; + priv->tx_power_level =3D 0; + priv->max_tx_power_level =3D 0; + priv->min_tx_power_level =3D 0; + priv->tx_ant =3D 0; + priv->rx_ant =3D 0; + priv->tx_rate =3D 0; + priv->rxpd_htinfo =3D 0; + priv->rxpd_rate =3D 0; + priv->rate_bitmap =3D 0; + priv->data_rssi_last =3D 0; + priv->data_rssi_avg =3D 0; + priv->data_nf_avg =3D 0; + priv->data_nf_last =3D 0; + priv->bcn_rssi_last =3D 0; + priv->bcn_rssi_avg =3D 0; + priv->bcn_nf_avg =3D 0; + priv->bcn_nf_last =3D 0; + memset(&priv->wpa_ie, 0, sizeof(priv->wpa_ie)); + memset(&priv->aes_key, 0, sizeof(priv->aes_key)); + priv->wpa_ie_len =3D 0; + priv->wpa_is_gtk_set =3D false; + + memset(&priv->assoc_tlv_buf, 0, sizeof(priv->assoc_tlv_buf)); + priv->assoc_tlv_buf_len =3D 0; + memset(&priv->wps, 0, sizeof(priv->wps)); + memset(&priv->gen_ie_buf, 0, sizeof(priv->gen_ie_buf)); + priv->gen_ie_buf_len =3D 0; + memset(priv->vs_ie, 0, sizeof(priv->vs_ie)); + + priv->wmm_required =3D true; + priv->wmm_enabled =3D false; + priv->wmm_qosinfo =3D 0; + priv->curr_bcn_buf =3D NULL; + priv->curr_bcn_size =3D 0; + priv->wps_ie =3D NULL; + priv->wps_ie_len =3D 0; + priv->ap_11n_enabled =3D 0; + memset(&priv->roc_cfg, 0, sizeof(priv->roc_cfg)); + + priv->scan_block =3D false; + + priv->csa_chan =3D 0; + priv->csa_expire_time =3D 0; + priv->del_list_idx =3D 0; + priv->hs2_enabled =3D false; + memcpy(priv->tos_to_tid_inv, tos_to_tid_inv, MAX_NUM_TID); + + nxpwifi_init_11h_params(priv); + + return nxpwifi_add_bss_prio_tbl(priv); +} + +/* Allocate command buffer and sleep-confirm skb. */ +static int nxpwifi_allocate_adapter(struct nxpwifi_adapter *adapter) +{ + int ret; + + /* Allocate command buffer */ + ret =3D nxpwifi_alloc_cmd_buffer(adapter); + if (ret) { + nxpwifi_dbg(adapter, ERROR, + "%s: failed to alloc cmd buffer\n", + __func__); + return ret; + } + + adapter->sleep_cfm =3D + dev_alloc_skb(sizeof(struct nxpwifi_opt_sleep_confirm) + + INTF_HEADER_LEN); + + if (!adapter->sleep_cfm) { + nxpwifi_dbg(adapter, ERROR, + "%s: failed to alloc sleep cfm\t" + " cmd buffer\n", __func__); + return -ENOMEM; + } + skb_reserve(adapter->sleep_cfm, INTF_HEADER_LEN); + + return 0; +} + +/* Initialize adapter defaults and WMM parameters. */ +static void nxpwifi_init_adapter(struct nxpwifi_adapter *adapter) +{ + struct nxpwifi_opt_sleep_confirm *sleep_cfm_buf =3D NULL; + + skb_put(adapter->sleep_cfm, sizeof(struct nxpwifi_opt_sleep_confirm)); + + adapter->cmd_sent =3D false; + adapter->data_sent =3D true; + + adapter->intf_hdr_len =3D INTF_HEADER_LEN; + + adapter->cmd_resp_received =3D false; + adapter->event_received =3D false; + adapter->data_received =3D false; + adapter->assoc_resp_received =3D false; + adapter->priv_link_lost =3D NULL; + adapter->host_mlme_link_lost =3D false; + + clear_bit(NXPWIFI_SURPRISE_REMOVED, &adapter->work_flags); + + adapter->hw_status =3D NXPWIFI_HW_STATUS_INITIALIZING; + + adapter->ps_mode =3D NXPWIFI_802_11_POWER_MODE_CAM; + adapter->ps_state =3D PS_STATE_AWAKE; + adapter->need_to_wakeup =3D false; + + adapter->scan_mode =3D HOST_BSS_MODE_ANY; + adapter->specific_scan_time =3D NXPWIFI_SPECIFIC_SCAN_CHAN_TIME; + adapter->active_scan_time =3D NXPWIFI_ACTIVE_SCAN_CHAN_TIME; + adapter->passive_scan_time =3D NXPWIFI_PASSIVE_SCAN_CHAN_TIME; + adapter->scan_chan_gap_time =3D NXPWIFI_DEF_SCAN_CHAN_GAP_TIME; + + adapter->scan_probes =3D 1; + + adapter->multiple_dtim =3D 1; + + /* default value in firmware will be used */ + adapter->local_listen_interval =3D 0; + + adapter->is_deep_sleep =3D false; + + adapter->delay_null_pkt =3D false; + adapter->delay_to_ps =3D 1000; + adapter->enhanced_ps_mode =3D PS_MODE_AUTO; + + /* Disable NULL Pkg generation by default */ + adapter->gen_null_pkt =3D false; + /* Disable pps/uapsd mode by default */ + adapter->pps_uapsd_mode =3D false; + adapter->pm_wakeup_card_req =3D false; + + adapter->pm_wakeup_fw_try =3D false; + + adapter->curr_tx_buf_size =3D NXPWIFI_TX_DATA_BUF_SIZE_2K; + + clear_bit(NXPWIFI_IS_HS_CONFIGURED, &adapter->work_flags); + adapter->hs_cfg.conditions =3D cpu_to_le32(HS_CFG_COND_DEF); + adapter->hs_cfg.gpio =3D HS_CFG_GPIO_DEF; + adapter->hs_cfg.gap =3D HS_CFG_GAP_DEF; + adapter->hs_activated =3D false; + + memset(adapter->event_body, 0, sizeof(adapter->event_body)); + adapter->hw_dot_11n_dev_cap =3D 0; + adapter->hw_dev_mcs_support =3D 0; + adapter->sec_chan_offset =3D 0; + + nxpwifi_wmm_init(adapter); + atomic_set(&adapter->tx_hw_pending, 0); + + sleep_cfm_buf =3D (struct nxpwifi_opt_sleep_confirm *) + adapter->sleep_cfm->data; + memset(sleep_cfm_buf, 0, adapter->sleep_cfm->len); + sleep_cfm_buf->command =3D cpu_to_le16(HOST_CMD_802_11_PS_MODE_ENH); + sleep_cfm_buf->size =3D cpu_to_le16(adapter->sleep_cfm->len); + sleep_cfm_buf->result =3D 0; + sleep_cfm_buf->action =3D cpu_to_le16(SLEEP_CONFIRM); + sleep_cfm_buf->resp_ctrl =3D cpu_to_le16(RESP_NEEDED); + + memset(&adapter->sleep_period, 0, sizeof(adapter->sleep_period)); + adapter->tx_lock_flag =3D false; + adapter->null_pkt_interval =3D 0; + adapter->fw_bands =3D 0; + adapter->fw_release_number =3D 0; + adapter->fw_cap_info =3D 0; + memset(&adapter->upld_buf, 0, sizeof(adapter->upld_buf)); + adapter->event_cause =3D 0; + adapter->region_code =3D 0; + adapter->bcn_miss_time_out =3D DEFAULT_BCN_MISS_TIMEOUT; + memset(&adapter->arp_filter, 0, sizeof(adapter->arp_filter)); + adapter->arp_filter_size =3D 0; + adapter->max_mgmt_ie_index =3D MAX_MGMT_IE_INDEX; + adapter->key_api_major_ver =3D 0; + adapter->key_api_minor_ver =3D 0; + eth_broadcast_addr(adapter->perm_addr); + adapter->iface_limit.sta_intf =3D NXPWIFI_MAX_STA_NUM; + adapter->iface_limit.uap_intf =3D NXPWIFI_MAX_UAP_NUM; + adapter->active_scan_triggered =3D false; + timer_setup(&adapter->wakeup_timer, wakeup_timer_fn, 0); + adapter->devdump_len =3D 0; + memset(&adapter->vdll_ctrl, 0, sizeof(adapter->vdll_ctrl)); + adapter->vdll_ctrl.skb =3D dev_alloc_skb(NXPWIFI_SIZE_OF_CMD_BUFFER); + atomic_set(&adapter->iface_changing, 0); +} + +/* Update trans_start for each Tx queue. */ +void nxpwifi_set_trans_start(struct net_device *dev) +{ + int i; + + for (i =3D 0; i < dev->num_tx_queues; i++) + txq_trans_cond_update(netdev_get_tx_queue(dev, i)); + + netif_trans_update(dev); +} + +/* Wake all netdev Tx queues. */ +void nxpwifi_wake_up_net_dev_queue(struct net_device *netdev, + struct nxpwifi_adapter *adapter) +{ + spin_lock_bh(&adapter->queue_lock); + netif_tx_wake_all_queues(netdev); + spin_unlock_bh(&adapter->queue_lock); +} + +/* Stop all netdev Tx queues. */ +void nxpwifi_stop_net_dev_queue(struct net_device *netdev, + struct nxpwifi_adapter *adapter) +{ + spin_lock_bh(&adapter->queue_lock); + netif_tx_stop_all_queues(netdev); + spin_unlock_bh(&adapter->queue_lock); +} + +/* Invalidate list heads. */ +static void nxpwifi_invalidate_lists(struct nxpwifi_adapter *adapter) +{ + struct nxpwifi_private *priv; + s32 i, j; + + list_del(&adapter->cmd_free_q); + list_del(&adapter->cmd_pending_q); + list_del(&adapter->scan_pending_q); + + for (i =3D 0; i < adapter->priv_num; i++) + list_del(&adapter->bss_prio_tbl[i].bss_prio_head); + + for (i =3D 0; i < adapter->priv_num; i++) { + priv =3D adapter->priv[i]; + for (j =3D 0; j < MAX_NUM_TID; ++j) { + list_del(&priv->wmm.tid_tbl_ptr[j].ra_list); + list_del(&priv->tx_ba_stream_tbl_ptr[j]); + list_del(&priv->rx_reorder_tbl_ptr[j]); + } + list_del(&priv->sta_list); + } +} + +/* Cancel pending work, stop timers, and free adapter buffers. */ +static void +nxpwifi_adapter_cleanup(struct nxpwifi_adapter *adapter) +{ + timer_delete(&adapter->wakeup_timer); + nxpwifi_cancel_all_pending_cmd(adapter); + wake_up_interruptible(&adapter->cmd_wait_q.wait); + wake_up_interruptible(&adapter->hs_activate_wait_q); + if (adapter->vdll_ctrl.vdll_mem) { + vfree(adapter->vdll_ctrl.vdll_mem); + adapter->vdll_ctrl.vdll_mem =3D NULL; + adapter->vdll_ctrl.vdll_len =3D 0; + } + if (adapter->vdll_ctrl.skb) { + dev_kfree_skb_any(adapter->vdll_ctrl.skb); + adapter->vdll_ctrl.skb =3D NULL; + } +} + +void nxpwifi_free_cmd_buffers(struct nxpwifi_adapter *adapter) +{ + nxpwifi_invalidate_lists(adapter); + + /* Free command buffer */ + nxpwifi_dbg(adapter, INFO, "info: free cmd buffer\n"); + nxpwifi_free_cmd_buffer(adapter); + + if (adapter->sleep_cfm) + dev_kfree_skb_any(adapter->sleep_cfm); +} + +/* Initialize locks and list heads. */ +void nxpwifi_init_lock_list(struct nxpwifi_adapter *adapter) +{ + struct nxpwifi_private *priv; + s32 i, j; + + spin_lock_init(&adapter->int_lock); + spin_lock_init(&adapter->nxpwifi_cmd_lock); + spin_lock_init(&adapter->queue_lock); + for (i =3D 0; i < adapter->priv_num; i++) { + priv =3D adapter->priv[i]; + spin_lock_init(&priv->wmm.ra_list_spinlock); + spin_lock_init(&priv->curr_bcn_buf_lock); + spin_lock_init(&priv->sta_list_spinlock); + } + + /* Initialize cmd_free_q */ + INIT_LIST_HEAD(&adapter->cmd_free_q); + /* Initialize cmd_pending_q */ + INIT_LIST_HEAD(&adapter->cmd_pending_q); + /* Initialize scan_pending_q */ + INIT_LIST_HEAD(&adapter->scan_pending_q); + + spin_lock_init(&adapter->cmd_free_q_lock); + spin_lock_init(&adapter->cmd_pending_q_lock); + spin_lock_init(&adapter->scan_pending_q_lock); + + skb_queue_head_init(&adapter->rx_mlme_q); + skb_queue_head_init(&adapter->rx_data_q); + skb_queue_head_init(&adapter->tx_data_q); + + for (i =3D 0; i < adapter->priv_num; ++i) { + INIT_LIST_HEAD(&adapter->bss_prio_tbl[i].bss_prio_head); + spin_lock_init(&adapter->bss_prio_tbl[i].bss_prio_lock); + } + + for (i =3D 0; i < adapter->priv_num; i++) { + priv =3D adapter->priv[i]; + for (j =3D 0; j < MAX_NUM_TID; ++j) { + INIT_LIST_HEAD(&priv->wmm.tid_tbl_ptr[j].ra_list); + INIT_LIST_HEAD(&priv->tx_ba_stream_tbl_ptr[j]); + INIT_LIST_HEAD(&priv->rx_reorder_tbl_ptr[j]); + spin_lock_init(&priv->tx_ba_stream_tbl_lock[j]); + spin_lock_init(&priv->rx_reorder_tbl_lock[j]); + } + INIT_LIST_HEAD(&priv->sta_list); + skb_queue_head_init(&priv->bypass_txq); + + spin_lock_init(&priv->ack_status_lock); + xa_init(&priv->ack_status_frames); + } +} + +/* Init firmware: alloc resources, init adapter/privs, send STA init. */ +int nxpwifi_init_fw(struct nxpwifi_adapter *adapter) +{ + int ret; + struct nxpwifi_private *priv; + u8 i; + bool first_sta =3D true; + + adapter->hw_status =3D NXPWIFI_HW_STATUS_INITIALIZING; + + /* Allocate memory for member of adapter structure */ + ret =3D nxpwifi_allocate_adapter(adapter); + if (ret) + return ret; + + /* Initialize adapter structure */ + nxpwifi_init_adapter(adapter); + + for (i =3D 0; i < adapter->priv_num; i++) { + priv =3D adapter->priv[i]; + + /* Initialize private structure */ + ret =3D nxpwifi_init_priv(priv); + if (ret) + return ret; + } + + for (i =3D 0; i < adapter->priv_num; i++) { + ret =3D nxpwifi_sta_init_cmd(adapter->priv[i], + first_sta, true); + if (ret) + return ret; + + first_sta =3D false; + } + spin_lock_bh(&adapter->cmd_pending_q_lock); + WARN_ON(!list_empty(&adapter->cmd_pending_q)); + spin_unlock_bh(&adapter->cmd_pending_q_lock); + adapter->hw_status =3D NXPWIFI_HW_STATUS_READY; + + return 0; +} + +/* Remove all BSS priority nodes for this priv. */ +static void nxpwifi_delete_bss_prio_tbl(struct nxpwifi_private *priv) +{ + int i; + struct nxpwifi_adapter *adapter =3D priv->adapter; + struct nxpwifi_bss_prio_node *bssprio_node, *tmp_node; + struct list_head *head; + spinlock_t *lock; /* bss priority lock */ + + for (i =3D 0; i < adapter->priv_num; ++i) { + head =3D &adapter->bss_prio_tbl[i].bss_prio_head; + lock =3D &adapter->bss_prio_tbl[i].bss_prio_lock; + nxpwifi_dbg(adapter, INFO, + "info: delete BSS priority table,\t" + "bss_type =3D %d, bss_num =3D %d, i =3D %d,\t" + "head =3D %p\n", + priv->bss_type, priv->bss_num, i, head); + + { + spin_lock_bh(lock); + list_for_each_entry_safe(bssprio_node, tmp_node, head, + list) { + if (bssprio_node->priv =3D=3D priv) { + nxpwifi_dbg(adapter, INFO, + "info: Delete\t" + "node %p, next =3D %p\n", + bssprio_node, tmp_node); + list_del(&bssprio_node->list); + kfree(bssprio_node); + } + } + spin_unlock_bh(lock); + } + } +} + +/* Free per-priv resources and BSS priority entries. */ +void nxpwifi_free_priv(struct nxpwifi_private *priv) +{ + nxpwifi_clean_txrx(priv); + nxpwifi_delete_bss_prio_tbl(priv); + nxpwifi_free_curr_bcn(priv); +} + +/* Shutdown driver: stop work, drain queues, free resources. */ +void +nxpwifi_shutdown_drv(struct nxpwifi_adapter *adapter) +{ + struct nxpwifi_private *priv; + s32 i; + struct sk_buff *skb; + + /* nxpwifi already shutdown */ + if (adapter->hw_status =3D=3D NXPWIFI_HW_STATUS_NOT_READY) + return; + + /* cancel current command */ + if (adapter->curr_cmd) { + nxpwifi_dbg(adapter, WARN, + "curr_cmd is still in processing\n"); + timer_delete_sync(&adapter->cmd_timer); + nxpwifi_recycle_cmd_node(adapter, adapter->curr_cmd); + adapter->curr_cmd =3D NULL; + } + + /* shut down nxpwifi */ + nxpwifi_dbg(adapter, MSG, + "info: shutdown nxpwifi...\n"); + + /* Clean up Tx/Rx queues and delete BSS priority table */ + for (i =3D 0; i < adapter->priv_num; i++) { + priv =3D adapter->priv[i]; + + nxpwifi_abort_cac(priv); + nxpwifi_free_priv(priv); + } + + atomic_set(&adapter->tx_queued, 0); + while ((skb =3D skb_dequeue(&adapter->tx_data_q))) + nxpwifi_write_data_complete(adapter, skb, 0, 0); + + while ((skb =3D skb_dequeue(&adapter->rx_mlme_q))) + dev_kfree_skb_any(skb); + + while ((skb =3D skb_dequeue(&adapter->rx_data_q))) { + struct nxpwifi_rxinfo *rx_info =3D NXPWIFI_SKB_RXCB(skb); + + atomic_dec(&adapter->rx_pending); + priv =3D adapter->priv[rx_info->bss_num]; + if (priv) + priv->stats.rx_dropped++; + + dev_kfree_skb_any(skb); + } + + nxpwifi_adapter_cleanup(adapter); + + adapter->hw_status =3D NXPWIFI_HW_STATUS_NOT_READY; +} + +/* Download FW if needed; check winner and wait until ready. */ +int nxpwifi_dnld_fw(struct nxpwifi_adapter *adapter, + struct nxpwifi_fw_image *pmfw) +{ + int ret; + u32 poll_num =3D 1; + + /* check if firmware is already running */ + ret =3D adapter->if_ops.check_fw_status(adapter, poll_num); + if (!ret) { + nxpwifi_dbg(adapter, MSG, + "WLAN FW already running! Skip FW dnld\n"); + return 0; + } + + /* check if we are the winner for downloading FW */ + if (adapter->if_ops.check_winner_status) { + adapter->winner =3D 0; + ret =3D adapter->if_ops.check_winner_status(adapter); + + poll_num =3D MAX_FIRMWARE_POLL_TRIES; + if (ret) { + nxpwifi_dbg(adapter, MSG, + "WLAN read winner status failed!\n"); + return ret; + } + + if (!adapter->winner) { + nxpwifi_dbg(adapter, MSG, + "WLAN is not the winner! Skip FW dnld\n"); + goto poll_fw; + } + } + + if (pmfw) { + /* Download firmware with helper */ + ret =3D adapter->if_ops.prog_fw(adapter, pmfw); + if (ret) { + nxpwifi_dbg(adapter, ERROR, + "prog_fw failed ret=3D%#x\n", ret); + return ret; + } + } + +poll_fw: + /* Check if the firmware is downloaded successfully or not */ + ret =3D adapter->if_ops.check_fw_status(adapter, poll_num); + if (ret) + nxpwifi_dbg(adapter, ERROR, + "FW failed to be active in time\n"); + + return ret; +} +EXPORT_SYMBOL_GPL(nxpwifi_dnld_fw); --=20 2.34.1