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Mon, 2 Mar 2020 16:34:30 +0000 From: To: CC: , , , , , , , , Subject: [PATCH v4 01/18] wilc1000: add hif.h Thread-Topic: [PATCH v4 01/18] wilc1000: add hif.h Thread-Index: AQHV8LByJyrnXAnKxEWeIlg34xayzQ== Date: Mon, 2 Mar 2020 16:34:30 +0000 Message-ID: <20200302163414.4342-2-ajay.kathat@microchip.com> References: <20200302163414.4342-1-ajay.kathat@microchip.com> In-Reply-To: <20200302163414.4342-1-ajay.kathat@microchip.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-mailer: git-send-email 2.17.1 x-originating-ip: [121.244.27.38] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 4fcb8495-c8b2-4ccc-7c56-08d7bec794e6 x-ms-traffictypediagnostic: BN6PR11MB1411: x-ms-exchange-transport-forked: True x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:127; x-forefront-prvs: 033054F29A x-forefront-antispam-report: SFV:NSPM; SFS:(10009020)(39860400002)(376002)(346002)(136003)(366004)(396003)(189003)(199004)(26005)(186003)(8936002)(2616005)(6916009)(316002)(478600001)(36756003)(54906003)(2906002)(86362001)(8676002)(6486002)(81166006)(81156014)(6512007)(71200400001)(6506007)(1076003)(107886003)(66476007)(66946007)(4326008)(5660300002)(76116006)(91956017)(66556008)(64756008)(66446008); DIR:OUT; SFP:1101; SCL:1; SRVR:BN6PR11MB1411; H:BN6PR11MB3985.namprd11.prod.outlook.com; FPR:; SPF:None; LANG:en; PTR:InfoNoRecords; MX:1; A:1; received-spf: None (protection.outlook.com: microchip.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam: BCL:0; x-microsoft-antispam-message-info: Dw5JICSGH7TMnHJJeufgDCPvWMBHbsi8NGTc61cKRiyHW9kR9eZfA5gl5v1FgwXJWO1wmyy4DtDTtvA0bbYvRYzeLMHgKjowrgrKf4ZxyzIwXvpVhOc44mOkqEdsKoaKgCTjx2eKTdnyep12ndlrPTN9dodZqA4kJ/Lxp/Uhz9AbT+QitRPdqithFsK1dBUOVOOwf38DW0n9Mwvha1/mSNjIUqpn9AqdCuQp/5TDHfFszEJlF/BeUCWJid0GQy/SShQ4cpED+OOdTcLcS5n9k8IQZcD+Ksp2uaNZI1lQSMaE2RWWFiDqYFXh9Ac1+x4Oq0ylc363L8PcFmAarNlBFTZg3vZrm5nGQCHe3nMh2pG2WJO0sC4nRZmB7whlaL15m/vLvxXf06qF/lasfspPkX4gr9/M+U9XBOZba5McfiWSP6qQp2qQqkW8SV3ql2xK x-ms-exchange-antispam-messagedata: /bFkUe/Xj1bbWnunJx9JVsvfNV0h9ktyu3dV7/jvfMgmAgqAGPbN03zArnLgwH74Nidv+3+pnoEMs1KO65Uq69051YBuSUs8JJ/6hhjGxxqjRLwzRoZAJbvZQWScQctkQCxPIEVOwvs0hsriynzeQQ== MIME-Version: 1.0 X-MS-Exchange-CrossTenant-Network-Message-Id: 4fcb8495-c8b2-4ccc-7c56-08d7bec794e6 X-MS-Exchange-CrossTenant-originalarrivaltime: 02 Mar 2020 16:34:30.0358 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 3f4057f3-b418-4d4e-ba84-d55b4e897d88 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: GVbSl9OVGQotajncx+YCSlICUsNvWusXK2GnS74whsUr9K2mhmENzAHbj38ca6vqHc/I/8Jm9ED7UBWpiQcYgPbcCZe6Tk2jJD1ACuCG51w= X-MS-Exchange-Transport-CrossTenantHeadersStamped: BN6PR11MB1411 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org From: Ajay Singh Moved 'drivers/staging/wilc1000/hif.h' to 'drivers/net/wireless/microchip/wilc1000/hif.h'. Signed-off-by: Ajay Singh --- drivers/net/wireless/microchip/wilc1000/hif.h | 214 ++++++++++++++++++ 1 file changed, 214 insertions(+) create mode 100644 drivers/net/wireless/microchip/wilc1000/hif.h diff --git a/drivers/net/wireless/microchip/wilc1000/hif.h b/drivers/net/wireless/microchip/wilc1000/hif.h new file mode 100644 index 000000000000..db9179171f05 --- /dev/null +++ b/drivers/net/wireless/microchip/wilc1000/hif.h @@ -0,0 +1,214 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (c) 2012 - 2018 Microchip Technology Inc., and its subsidiaries + * All rights reserved. + */ + +#ifndef WILC_HIF_H +#define WILC_HIF_H +#include +#include "wlan_if.h" + +enum { + WILC_IDLE_MODE = 0x0, + WILC_AP_MODE = 0x1, + WILC_STATION_MODE = 0x2, + WILC_GO_MODE = 0x3, + WILC_CLIENT_MODE = 0x4 +}; + +#define WILC_MAX_NUM_PROBED_SSID 10 + +#define WILC_TX_MIC_KEY_LEN 8 +#define WILC_RX_MIC_KEY_LEN 8 + +#define WILC_ADD_STA_LENGTH 40 +#define WILC_NUM_CONCURRENT_IFC 2 + +enum { + WILC_SET_CFG = 0, + WILC_GET_CFG +}; + +#define WILC_MAX_ASSOC_RESP_FRAME_SIZE 256 + +struct rf_info { + u8 link_speed; + s8 rssi; + u32 tx_cnt; + u32 rx_cnt; + u32 tx_fail_cnt; +}; + +enum host_if_state { + HOST_IF_IDLE = 0, + HOST_IF_SCANNING = 1, + HOST_IF_CONNECTING = 2, + HOST_IF_WAITING_CONN_RESP = 3, + HOST_IF_CONNECTED = 4, + HOST_IF_P2P_LISTEN = 5, + HOST_IF_FORCE_32BIT = 0xFFFFFFFF +}; + +struct cfg_param_attr { + u32 flag; + u16 short_retry_limit; + u16 long_retry_limit; + u16 frag_threshold; + u16 rts_threshold; +}; + +enum cfg_param { + WILC_CFG_PARAM_RETRY_SHORT = BIT(0), + WILC_CFG_PARAM_RETRY_LONG = BIT(1), + WILC_CFG_PARAM_FRAG_THRESHOLD = BIT(2), + WILC_CFG_PARAM_RTS_THRESHOLD = BIT(3) +}; + +enum scan_event { + SCAN_EVENT_NETWORK_FOUND = 0, + SCAN_EVENT_DONE = 1, + SCAN_EVENT_ABORTED = 2, + SCAN_EVENT_FORCE_32BIT = 0xFFFFFFFF +}; + +enum conn_event { + CONN_DISCONN_EVENT_CONN_RESP = 0, + CONN_DISCONN_EVENT_DISCONN_NOTIF = 1, + CONN_DISCONN_EVENT_FORCE_32BIT = 0xFFFFFFFF +}; + +enum { + WILC_HIF_SDIO = 0, + WILC_HIF_SPI = BIT(0) +}; + +enum { + WILC_MAC_STATUS_INIT = -1, + WILC_MAC_STATUS_DISCONNECTED = 0, + WILC_MAC_STATUS_CONNECTED = 1 +}; + +struct wilc_rcvd_net_info { + s8 rssi; + u8 ch; + u16 frame_len; + struct ieee80211_mgmt *mgmt; +}; + +struct wilc_user_scan_req { + void (*scan_result)(enum scan_event evt, + struct wilc_rcvd_net_info *info, void *priv); + void *arg; + u32 ch_cnt; +}; + +struct wilc_conn_info { + u8 bssid[ETH_ALEN]; + u8 security; + enum authtype auth_type; + u8 ch; + u8 *req_ies; + size_t req_ies_len; + u8 *resp_ies; + u16 resp_ies_len; + u16 status; + void (*conn_result)(enum conn_event evt, u8 status, void *priv_data); + void *arg; + void *param; +}; + +struct wilc_remain_ch { + u16 ch; + u32 duration; + void (*expired)(void *priv, u64 cookie); + void *arg; + u32 cookie; +}; + +struct wilc; +struct host_if_drv { + struct wilc_user_scan_req usr_scan_req; + struct wilc_conn_info conn_info; + struct wilc_remain_ch remain_on_ch; + u64 p2p_timeout; + + enum host_if_state hif_state; + + u8 assoc_bssid[ETH_ALEN]; + + struct timer_list scan_timer; + struct wilc_vif *scan_timer_vif; + + struct timer_list connect_timer; + struct wilc_vif *connect_timer_vif; + + struct timer_list remain_on_ch_timer; + struct wilc_vif *remain_on_ch_timer_vif; + + bool ifc_up; + u8 assoc_resp[WILC_MAX_ASSOC_RESP_FRAME_SIZE]; +}; + +struct wilc_vif; +int wilc_remove_wep_key(struct wilc_vif *vif, u8 index); +int wilc_set_wep_default_keyid(struct wilc_vif *vif, u8 index); +int wilc_add_wep_key_bss_sta(struct wilc_vif *vif, const u8 *key, u8 len, + u8 index); +int wilc_add_wep_key_bss_ap(struct wilc_vif *vif, const u8 *key, u8 len, + u8 index, u8 mode, enum authtype auth_type); +int wilc_add_ptk(struct wilc_vif *vif, const u8 *ptk, u8 ptk_key_len, + const u8 *mac_addr, const u8 *rx_mic, const u8 *tx_mic, + u8 mode, u8 cipher_mode, u8 index); +s32 wilc_get_inactive_time(struct wilc_vif *vif, const u8 *mac, + u32 *out_val); +int wilc_add_rx_gtk(struct wilc_vif *vif, const u8 *rx_gtk, u8 gtk_key_len, + u8 index, u32 key_rsc_len, const u8 *key_rsc, + const u8 *rx_mic, const u8 *tx_mic, u8 mode, + u8 cipher_mode); +int wilc_set_pmkid_info(struct wilc_vif *vif, struct wilc_pmkid_attr *pmkid); +int wilc_get_mac_address(struct wilc_vif *vif, u8 *mac_addr); +int wilc_set_join_req(struct wilc_vif *vif, u8 *bssid, const u8 *ies, + size_t ies_len); +int wilc_disconnect(struct wilc_vif *vif); +int wilc_set_mac_chnl_num(struct wilc_vif *vif, u8 channel); +int wilc_get_rssi(struct wilc_vif *vif, s8 *rssi_level); +int wilc_scan(struct wilc_vif *vif, u8 scan_source, u8 scan_type, + u8 *ch_freq_list, u8 ch_list_len, + void (*scan_result_fn)(enum scan_event, + struct wilc_rcvd_net_info *, void *), + void *user_arg, struct cfg80211_scan_request *request); +int wilc_hif_set_cfg(struct wilc_vif *vif, + struct cfg_param_attr *cfg_param); +int wilc_init(struct net_device *dev, struct host_if_drv **hif_drv_handler); +int wilc_deinit(struct wilc_vif *vif); +int wilc_add_beacon(struct wilc_vif *vif, u32 interval, u32 dtim_period, + struct cfg80211_beacon_data *params); +int wilc_del_beacon(struct wilc_vif *vif); +int wilc_add_station(struct wilc_vif *vif, const u8 *mac, + struct station_parameters *params); +int wilc_del_allstation(struct wilc_vif *vif, u8 mac_addr[][ETH_ALEN]); +int wilc_del_station(struct wilc_vif *vif, const u8 *mac_addr); +int wilc_edit_station(struct wilc_vif *vif, const u8 *mac, + struct station_parameters *params); +int wilc_set_power_mgmt(struct wilc_vif *vif, bool enabled, u32 timeout); +int wilc_setup_multicast_filter(struct wilc_vif *vif, u32 enabled, u32 count, + u8 *mc_list); +int wilc_remain_on_channel(struct wilc_vif *vif, u64 cookie, + u32 duration, u16 chan, + void (*expired)(void *, u64), + void *user_arg); +int wilc_listen_state_expired(struct wilc_vif *vif, u64 cookie); +void wilc_frame_register(struct wilc_vif *vif, u16 frame_type, bool reg); +int wilc_set_operation_mode(struct wilc_vif *vif, int index, u8 mode, + u8 ifc_id); +int wilc_get_statistics(struct wilc_vif *vif, struct rf_info *stats); +int wilc_get_vif_idx(struct wilc_vif *vif); +int wilc_set_tx_power(struct wilc_vif *vif, u8 tx_power); +int wilc_get_tx_power(struct wilc_vif *vif, u8 *tx_power); +void wilc_scan_complete_received(struct wilc *wilc, u8 *buffer, u32 length); +void wilc_network_info_received(struct wilc *wilc, u8 *buffer, u32 length); +void wilc_gnrl_async_info_received(struct wilc *wilc, u8 *buffer, u32 length); +void *wilc_parse_join_bss_param(struct cfg80211_bss *bss, + struct cfg80211_crypto_settings *crypto); +#endif From patchwork Mon Mar 2 16:34:31 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ajay Singh X-Patchwork-Id: 203949 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=-9.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=ham 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 35F09C3F2D9 for ; 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Signed-off-by: Ajay Singh --- drivers/net/wireless/microchip/wilc1000/hif.c | 1959 +++++++++++++++++ 1 file changed, 1959 insertions(+) create mode 100644 drivers/net/wireless/microchip/wilc1000/hif.c diff --git a/drivers/net/wireless/microchip/wilc1000/hif.c b/drivers/net/wireless/microchip/wilc1000/hif.c new file mode 100644 index 000000000000..6c7de2f8d3f2 --- /dev/null +++ b/drivers/net/wireless/microchip/wilc1000/hif.c @@ -0,0 +1,1959 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (c) 2012 - 2018 Microchip Technology Inc., and its subsidiaries. + * All rights reserved. + */ + +#include "netdev.h" + +#define WILC_HIF_SCAN_TIMEOUT_MS 5000 +#define WILC_HIF_CONNECT_TIMEOUT_MS 9500 + +#define WILC_FALSE_FRMWR_CHANNEL 100 + +struct wilc_rcvd_mac_info { + u8 status; +}; + +struct wilc_set_multicast { + u32 enabled; + u32 cnt; + u8 *mc_list; +}; + +struct wilc_del_all_sta { + u8 assoc_sta; + u8 mac[WILC_MAX_NUM_STA][ETH_ALEN]; +}; + +union wilc_message_body { + struct wilc_rcvd_net_info net_info; + struct wilc_rcvd_mac_info mac_info; + struct wilc_set_multicast mc_info; + struct wilc_remain_ch remain_on_ch; + char *data; +}; + +struct host_if_msg { + union wilc_message_body body; + struct wilc_vif *vif; + struct work_struct work; + void (*fn)(struct work_struct *ws); + struct completion work_comp; + bool is_sync; +}; + +/* 'msg' should be free by the caller for syc */ +static struct host_if_msg* +wilc_alloc_work(struct wilc_vif *vif, void (*work_fun)(struct work_struct *), + bool is_sync) +{ + struct host_if_msg *msg; + + if (!work_fun) + return ERR_PTR(-EINVAL); + + msg = kzalloc(sizeof(*msg), GFP_ATOMIC); + if (!msg) + return ERR_PTR(-ENOMEM); + msg->fn = work_fun; + msg->vif = vif; + msg->is_sync = is_sync; + if (is_sync) + init_completion(&msg->work_comp); + + return msg; +} + +static int wilc_enqueue_work(struct host_if_msg *msg) +{ + INIT_WORK(&msg->work, msg->fn); + + if (!msg->vif || !msg->vif->wilc || !msg->vif->wilc->hif_workqueue) + return -EINVAL; + + if (!queue_work(msg->vif->wilc->hif_workqueue, &msg->work)) + return -EINVAL; + + return 0; +} + +/* The idx starts from 0 to (NUM_CONCURRENT_IFC - 1), but 0 index used as + * special purpose in wilc device, so we add 1 to the index to starts from 1. + * As a result, the returned index will be 1 to NUM_CONCURRENT_IFC. + */ +int wilc_get_vif_idx(struct wilc_vif *vif) +{ + return vif->idx + 1; +} + +/* We need to minus 1 from idx which is from wilc device to get real index + * of wilc->vif[], because we add 1 when pass to wilc device in the function + * wilc_get_vif_idx. + * As a result, the index should be between 0 and (NUM_CONCURRENT_IFC - 1). + */ +static struct wilc_vif *wilc_get_vif_from_idx(struct wilc *wilc, int idx) +{ + int index = idx - 1; + struct wilc_vif *vif; + + if (index < 0 || index >= WILC_NUM_CONCURRENT_IFC) + return NULL; + + list_for_each_entry_rcu(vif, &wilc->vif_list, list) { + if (vif->idx == index) + return vif; + } + + return NULL; +} + +static int handle_scan_done(struct wilc_vif *vif, enum scan_event evt) +{ + int result = 0; + u8 abort_running_scan; + struct wid wid; + struct host_if_drv *hif_drv = vif->hif_drv; + struct wilc_user_scan_req *scan_req; + + if (evt == SCAN_EVENT_ABORTED) { + abort_running_scan = 1; + wid.id = WID_ABORT_RUNNING_SCAN; + wid.type = WID_CHAR; + wid.val = (s8 *)&abort_running_scan; + wid.size = sizeof(char); + + result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1); + if (result) { + netdev_err(vif->ndev, "Failed to set abort running\n"); + result = -EFAULT; + } + } + + if (!hif_drv) { + netdev_err(vif->ndev, "%s: hif driver is NULL\n", __func__); + return result; + } + + scan_req = &hif_drv->usr_scan_req; + if (scan_req->scan_result) { + scan_req->scan_result(evt, NULL, scan_req->arg); + scan_req->scan_result = NULL; + } + + return result; +} + +int wilc_scan(struct wilc_vif *vif, u8 scan_source, u8 scan_type, + u8 *ch_freq_list, u8 ch_list_len, + void (*scan_result_fn)(enum scan_event, + struct wilc_rcvd_net_info *, void *), + void *user_arg, struct cfg80211_scan_request *request) +{ + int result = 0; + struct wid wid_list[5]; + u32 index = 0; + u32 i, scan_timeout; + u8 *buffer; + u8 valuesize = 0; + u8 *search_ssid_vals = NULL; + struct host_if_drv *hif_drv = vif->hif_drv; + + if (hif_drv->hif_state >= HOST_IF_SCANNING && + hif_drv->hif_state < HOST_IF_CONNECTED) { + netdev_err(vif->ndev, "Already scan\n"); + result = -EBUSY; + goto error; + } + + if (vif->connecting) { + netdev_err(vif->ndev, "Don't do obss scan\n"); + result = -EBUSY; + goto error; + } + + hif_drv->usr_scan_req.ch_cnt = 0; + + if (request->n_ssids) { + for (i = 0; i < request->n_ssids; i++) + valuesize += ((request->ssids[i].ssid_len) + 1); + search_ssid_vals = kmalloc(valuesize + 1, GFP_KERNEL); + if (search_ssid_vals) { + wid_list[index].id = WID_SSID_PROBE_REQ; + wid_list[index].type = WID_STR; + wid_list[index].val = search_ssid_vals; + buffer = wid_list[index].val; + + *buffer++ = request->n_ssids; + + for (i = 0; i < request->n_ssids; i++) { + *buffer++ = request->ssids[i].ssid_len; + memcpy(buffer, request->ssids[i].ssid, + request->ssids[i].ssid_len); + buffer += request->ssids[i].ssid_len; + } + wid_list[index].size = (s32)(valuesize + 1); + index++; + } + } + + wid_list[index].id = WID_INFO_ELEMENT_PROBE; + wid_list[index].type = WID_BIN_DATA; + wid_list[index].val = (s8 *)request->ie; + wid_list[index].size = request->ie_len; + index++; + + wid_list[index].id = WID_SCAN_TYPE; + wid_list[index].type = WID_CHAR; + wid_list[index].size = sizeof(char); + wid_list[index].val = (s8 *)&scan_type; + index++; + + if (scan_type == WILC_FW_PASSIVE_SCAN && request->duration) { + wid_list[index].id = WID_PASSIVE_SCAN_TIME; + wid_list[index].type = WID_SHORT; + wid_list[index].size = sizeof(u16); + wid_list[index].val = (s8 *)&request->duration; + index++; + + scan_timeout = (request->duration * ch_list_len) + 500; + } else { + scan_timeout = WILC_HIF_SCAN_TIMEOUT_MS; + } + + wid_list[index].id = WID_SCAN_CHANNEL_LIST; + wid_list[index].type = WID_BIN_DATA; + + if (ch_freq_list && ch_list_len > 0) { + for (i = 0; i < ch_list_len; i++) { + if (ch_freq_list[i] > 0) + ch_freq_list[i] -= 1; + } + } + + wid_list[index].val = ch_freq_list; + wid_list[index].size = ch_list_len; + index++; + + wid_list[index].id = WID_START_SCAN_REQ; + wid_list[index].type = WID_CHAR; + wid_list[index].size = sizeof(char); + wid_list[index].val = (s8 *)&scan_source; + index++; + + hif_drv->usr_scan_req.scan_result = scan_result_fn; + hif_drv->usr_scan_req.arg = user_arg; + + result = wilc_send_config_pkt(vif, WILC_SET_CFG, wid_list, index); + if (result) { + netdev_err(vif->ndev, "Failed to send scan parameters\n"); + goto error; + } + + hif_drv->scan_timer_vif = vif; + mod_timer(&hif_drv->scan_timer, + jiffies + msecs_to_jiffies(scan_timeout)); + +error: + + kfree(search_ssid_vals); + + return result; +} + +static int wilc_send_connect_wid(struct wilc_vif *vif) +{ + int result = 0; + struct wid wid_list[4]; + u32 wid_cnt = 0; + struct host_if_drv *hif_drv = vif->hif_drv; + struct wilc_conn_info *conn_attr = &hif_drv->conn_info; + struct wilc_join_bss_param *bss_param = conn_attr->param; + + wid_list[wid_cnt].id = WID_INFO_ELEMENT_ASSOCIATE; + wid_list[wid_cnt].type = WID_BIN_DATA; + wid_list[wid_cnt].val = conn_attr->req_ies; + wid_list[wid_cnt].size = conn_attr->req_ies_len; + wid_cnt++; + + wid_list[wid_cnt].id = WID_11I_MODE; + wid_list[wid_cnt].type = WID_CHAR; + wid_list[wid_cnt].size = sizeof(char); + wid_list[wid_cnt].val = (s8 *)&conn_attr->security; + wid_cnt++; + + wid_list[wid_cnt].id = WID_AUTH_TYPE; + wid_list[wid_cnt].type = WID_CHAR; + wid_list[wid_cnt].size = sizeof(char); + wid_list[wid_cnt].val = (s8 *)&conn_attr->auth_type; + wid_cnt++; + + wid_list[wid_cnt].id = WID_JOIN_REQ_EXTENDED; + wid_list[wid_cnt].type = WID_STR; + wid_list[wid_cnt].size = sizeof(*bss_param); + wid_list[wid_cnt].val = (u8 *)bss_param; + wid_cnt++; + + result = wilc_send_config_pkt(vif, WILC_SET_CFG, wid_list, wid_cnt); + if (result) { + netdev_err(vif->ndev, "failed to send config packet\n"); + goto error; + } else { + hif_drv->hif_state = HOST_IF_WAITING_CONN_RESP; + } + + return 0; + +error: + + kfree(conn_attr->req_ies); + conn_attr->req_ies = NULL; + + return result; +} + +static void handle_connect_timeout(struct work_struct *work) +{ + struct host_if_msg *msg = container_of(work, struct host_if_msg, work); + struct wilc_vif *vif = msg->vif; + int result; + struct wid wid; + u16 dummy_reason_code = 0; + struct host_if_drv *hif_drv = vif->hif_drv; + + if (!hif_drv) { + netdev_err(vif->ndev, "%s: hif driver is NULL\n", __func__); + goto out; + } + + hif_drv->hif_state = HOST_IF_IDLE; + + if (hif_drv->conn_info.conn_result) { + hif_drv->conn_info.conn_result(CONN_DISCONN_EVENT_CONN_RESP, + WILC_MAC_STATUS_DISCONNECTED, + hif_drv->conn_info.arg); + + } else { + netdev_err(vif->ndev, "%s: conn_result is NULL\n", __func__); + } + + wid.id = WID_DISCONNECT; + wid.type = WID_CHAR; + wid.val = (s8 *)&dummy_reason_code; + wid.size = sizeof(char); + + result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1); + if (result) + netdev_err(vif->ndev, "Failed to send disconnect\n"); + + hif_drv->conn_info.req_ies_len = 0; + kfree(hif_drv->conn_info.req_ies); + hif_drv->conn_info.req_ies = NULL; + +out: + kfree(msg); +} + +void *wilc_parse_join_bss_param(struct cfg80211_bss *bss, + struct cfg80211_crypto_settings *crypto) +{ + struct wilc_join_bss_param *param; + struct ieee80211_p2p_noa_attr noa_attr; + u8 rates_len = 0; + const u8 *tim_elm, *ssid_elm, *rates_ie, *supp_rates_ie; + const u8 *ht_ie, *wpa_ie, *wmm_ie, *rsn_ie; + int ret; + const struct cfg80211_bss_ies *ies = rcu_dereference(bss->ies); + + param = kzalloc(sizeof(*param), GFP_KERNEL); + if (!param) + return NULL; + + param->beacon_period = cpu_to_le16(bss->beacon_interval); + param->cap_info = cpu_to_le16(bss->capability); + param->bss_type = WILC_FW_BSS_TYPE_INFRA; + param->ch = ieee80211_frequency_to_channel(bss->channel->center_freq); + ether_addr_copy(param->bssid, bss->bssid); + + ssid_elm = cfg80211_find_ie(WLAN_EID_SSID, ies->data, ies->len); + if (ssid_elm) { + if (ssid_elm[1] <= IEEE80211_MAX_SSID_LEN) + memcpy(param->ssid, ssid_elm + 2, ssid_elm[1]); + } + + tim_elm = cfg80211_find_ie(WLAN_EID_TIM, ies->data, ies->len); + if (tim_elm && tim_elm[1] >= 2) + param->dtim_period = tim_elm[3]; + + memset(param->p_suites, 0xFF, 3); + memset(param->akm_suites, 0xFF, 3); + + rates_ie = cfg80211_find_ie(WLAN_EID_SUPP_RATES, ies->data, ies->len); + if (rates_ie) { + rates_len = rates_ie[1]; + if (rates_len > WILC_MAX_RATES_SUPPORTED) + rates_len = WILC_MAX_RATES_SUPPORTED; + param->supp_rates[0] = rates_len; + memcpy(¶m->supp_rates[1], rates_ie + 2, rates_len); + } + + if (rates_len < WILC_MAX_RATES_SUPPORTED) { + supp_rates_ie = cfg80211_find_ie(WLAN_EID_EXT_SUPP_RATES, + ies->data, ies->len); + if (supp_rates_ie) { + u8 ext_rates = supp_rates_ie[1]; + + if (ext_rates > (WILC_MAX_RATES_SUPPORTED - rates_len)) + param->supp_rates[0] = WILC_MAX_RATES_SUPPORTED; + else + param->supp_rates[0] += ext_rates; + + memcpy(¶m->supp_rates[rates_len + 1], + supp_rates_ie + 2, + (param->supp_rates[0] - rates_len)); + } + } + + ht_ie = cfg80211_find_ie(WLAN_EID_HT_CAPABILITY, ies->data, ies->len); + if (ht_ie) + param->ht_capable = true; + + ret = cfg80211_get_p2p_attr(ies->data, ies->len, + IEEE80211_P2P_ATTR_ABSENCE_NOTICE, + (u8 *)&noa_attr, sizeof(noa_attr)); + if (ret > 0) { + param->tsf_lo = cpu_to_le32(ies->tsf); + param->noa_enabled = 1; + param->idx = noa_attr.index; + if (noa_attr.oppps_ctwindow & IEEE80211_P2P_OPPPS_ENABLE_BIT) { + param->opp_enabled = 1; + param->opp_en.ct_window = noa_attr.oppps_ctwindow; + param->opp_en.cnt = noa_attr.desc[0].count; + param->opp_en.duration = noa_attr.desc[0].duration; + param->opp_en.interval = noa_attr.desc[0].interval; + param->opp_en.start_time = noa_attr.desc[0].start_time; + } else { + param->opp_enabled = 0; + param->opp_dis.cnt = noa_attr.desc[0].count; + param->opp_dis.duration = noa_attr.desc[0].duration; + param->opp_dis.interval = noa_attr.desc[0].interval; + param->opp_dis.start_time = noa_attr.desc[0].start_time; + } + } + wmm_ie = cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT, + WLAN_OUI_TYPE_MICROSOFT_WMM, + ies->data, ies->len); + if (wmm_ie) { + struct ieee80211_wmm_param_ie *ie; + + ie = (struct ieee80211_wmm_param_ie *)wmm_ie; + if ((ie->oui_subtype == 0 || ie->oui_subtype == 1) && + ie->version == 1) { + param->wmm_cap = true; + if (ie->qos_info & BIT(7)) + param->uapsd_cap = true; + } + } + + wpa_ie = cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT, + WLAN_OUI_TYPE_MICROSOFT_WPA, + ies->data, ies->len); + if (wpa_ie) { + param->mode_802_11i = 1; + param->rsn_found = true; + } + + rsn_ie = cfg80211_find_ie(WLAN_EID_RSN, ies->data, ies->len); + if (rsn_ie) { + int offset = 8; + + param->mode_802_11i = 2; + param->rsn_found = true; + /* extract RSN capabilities */ + offset += (rsn_ie[offset] * 4) + 2; + offset += (rsn_ie[offset] * 4) + 2; + memcpy(param->rsn_cap, &rsn_ie[offset], 2); + } + + if (param->rsn_found) { + int i; + + param->rsn_grp_policy = crypto->cipher_group & 0xFF; + for (i = 0; i < crypto->n_ciphers_pairwise && i < 3; i++) + param->p_suites[i] = crypto->ciphers_pairwise[i] & 0xFF; + + for (i = 0; i < crypto->n_akm_suites && i < 3; i++) + param->akm_suites[i] = crypto->akm_suites[i] & 0xFF; + } + + return (void *)param; +} + +static void handle_rcvd_ntwrk_info(struct work_struct *work) +{ + struct host_if_msg *msg = container_of(work, struct host_if_msg, work); + struct wilc_rcvd_net_info *rcvd_info = &msg->body.net_info; + struct wilc_user_scan_req *scan_req = &msg->vif->hif_drv->usr_scan_req; + const u8 *ch_elm; + u8 *ies; + int ies_len; + size_t offset; + + if (ieee80211_is_probe_resp(rcvd_info->mgmt->frame_control)) + offset = offsetof(struct ieee80211_mgmt, u.probe_resp.variable); + else if (ieee80211_is_beacon(rcvd_info->mgmt->frame_control)) + offset = offsetof(struct ieee80211_mgmt, u.beacon.variable); + else + goto done; + + ies = rcvd_info->mgmt->u.beacon.variable; + ies_len = rcvd_info->frame_len - offset; + if (ies_len <= 0) + goto done; + + ch_elm = cfg80211_find_ie(WLAN_EID_DS_PARAMS, ies, ies_len); + if (ch_elm && ch_elm[1] > 0) + rcvd_info->ch = ch_elm[2]; + + if (scan_req->scan_result) + scan_req->scan_result(SCAN_EVENT_NETWORK_FOUND, rcvd_info, + scan_req->arg); + +done: + kfree(rcvd_info->mgmt); + kfree(msg); +} + +static void host_int_get_assoc_res_info(struct wilc_vif *vif, + u8 *assoc_resp_info, + u32 max_assoc_resp_info_len, + u32 *rcvd_assoc_resp_info_len) +{ + int result; + struct wid wid; + + wid.id = WID_ASSOC_RES_INFO; + wid.type = WID_STR; + wid.val = assoc_resp_info; + wid.size = max_assoc_resp_info_len; + + result = wilc_send_config_pkt(vif, WILC_GET_CFG, &wid, 1); + if (result) { + *rcvd_assoc_resp_info_len = 0; + netdev_err(vif->ndev, "Failed to send association response\n"); + return; + } + + *rcvd_assoc_resp_info_len = wid.size; +} + +static s32 wilc_parse_assoc_resp_info(u8 *buffer, u32 buffer_len, + struct wilc_conn_info *ret_conn_info) +{ + u8 *ies; + u16 ies_len; + struct wilc_assoc_resp *res = (struct wilc_assoc_resp *)buffer; + + ret_conn_info->status = le16_to_cpu(res->status_code); + if (ret_conn_info->status == WLAN_STATUS_SUCCESS) { + ies = &buffer[sizeof(*res)]; + ies_len = buffer_len - sizeof(*res); + + ret_conn_info->resp_ies = kmemdup(ies, ies_len, GFP_KERNEL); + if (!ret_conn_info->resp_ies) + return -ENOMEM; + + ret_conn_info->resp_ies_len = ies_len; + } + + return 0; +} + +static inline void host_int_parse_assoc_resp_info(struct wilc_vif *vif, + u8 mac_status) +{ + struct host_if_drv *hif_drv = vif->hif_drv; + struct wilc_conn_info *conn_info = &hif_drv->conn_info; + + if (mac_status == WILC_MAC_STATUS_CONNECTED) { + u32 assoc_resp_info_len; + + memset(hif_drv->assoc_resp, 0, WILC_MAX_ASSOC_RESP_FRAME_SIZE); + + host_int_get_assoc_res_info(vif, hif_drv->assoc_resp, + WILC_MAX_ASSOC_RESP_FRAME_SIZE, + &assoc_resp_info_len); + + if (assoc_resp_info_len != 0) { + s32 err = 0; + + err = wilc_parse_assoc_resp_info(hif_drv->assoc_resp, + assoc_resp_info_len, + conn_info); + if (err) + netdev_err(vif->ndev, + "wilc_parse_assoc_resp_info() returned error %d\n", + err); + } + } + + del_timer(&hif_drv->connect_timer); + conn_info->conn_result(CONN_DISCONN_EVENT_CONN_RESP, mac_status, + hif_drv->conn_info.arg); + + if (mac_status == WILC_MAC_STATUS_CONNECTED && + conn_info->status == WLAN_STATUS_SUCCESS) { + ether_addr_copy(hif_drv->assoc_bssid, conn_info->bssid); + hif_drv->hif_state = HOST_IF_CONNECTED; + } else { + hif_drv->hif_state = HOST_IF_IDLE; + } + + kfree(conn_info->resp_ies); + conn_info->resp_ies = NULL; + conn_info->resp_ies_len = 0; + + kfree(conn_info->req_ies); + conn_info->req_ies = NULL; + conn_info->req_ies_len = 0; +} + +static inline void host_int_handle_disconnect(struct wilc_vif *vif) +{ + struct host_if_drv *hif_drv = vif->hif_drv; + + if (hif_drv->usr_scan_req.scan_result) { + del_timer(&hif_drv->scan_timer); + handle_scan_done(vif, SCAN_EVENT_ABORTED); + } + + if (hif_drv->conn_info.conn_result) + hif_drv->conn_info.conn_result(CONN_DISCONN_EVENT_DISCONN_NOTIF, + 0, hif_drv->conn_info.arg); + else + netdev_err(vif->ndev, "%s: conn_result is NULL\n", __func__); + + eth_zero_addr(hif_drv->assoc_bssid); + + hif_drv->conn_info.req_ies_len = 0; + kfree(hif_drv->conn_info.req_ies); + hif_drv->conn_info.req_ies = NULL; + hif_drv->hif_state = HOST_IF_IDLE; +} + +static void handle_rcvd_gnrl_async_info(struct work_struct *work) +{ + struct host_if_msg *msg = container_of(work, struct host_if_msg, work); + struct wilc_vif *vif = msg->vif; + struct wilc_rcvd_mac_info *mac_info = &msg->body.mac_info; + struct host_if_drv *hif_drv = vif->hif_drv; + + if (!hif_drv) { + netdev_err(vif->ndev, "%s: hif driver is NULL\n", __func__); + goto free_msg; + } + + if (!hif_drv->conn_info.conn_result) { + netdev_err(vif->ndev, "%s: conn_result is NULL\n", __func__); + goto free_msg; + } + + if (hif_drv->hif_state == HOST_IF_WAITING_CONN_RESP) { + host_int_parse_assoc_resp_info(vif, mac_info->status); + } else if (mac_info->status == WILC_MAC_STATUS_DISCONNECTED) { + if (hif_drv->hif_state == HOST_IF_CONNECTED) { + host_int_handle_disconnect(vif); + } else if (hif_drv->usr_scan_req.scan_result) { + del_timer(&hif_drv->scan_timer); + handle_scan_done(vif, SCAN_EVENT_ABORTED); + } + } + +free_msg: + kfree(msg); +} + +int wilc_disconnect(struct wilc_vif *vif) +{ + struct wid wid; + struct host_if_drv *hif_drv = vif->hif_drv; + struct wilc_user_scan_req *scan_req; + struct wilc_conn_info *conn_info; + int result; + u16 dummy_reason_code = 0; + + wid.id = WID_DISCONNECT; + wid.type = WID_CHAR; + wid.val = (s8 *)&dummy_reason_code; + wid.size = sizeof(char); + + result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1); + if (result) { + netdev_err(vif->ndev, "Failed to send disconnect\n"); + return result; + } + + scan_req = &hif_drv->usr_scan_req; + conn_info = &hif_drv->conn_info; + + if (scan_req->scan_result) { + del_timer(&hif_drv->scan_timer); + scan_req->scan_result(SCAN_EVENT_ABORTED, NULL, scan_req->arg); + scan_req->scan_result = NULL; + } + + if (conn_info->conn_result) { + if (hif_drv->hif_state == HOST_IF_WAITING_CONN_RESP) + del_timer(&hif_drv->connect_timer); + + conn_info->conn_result(CONN_DISCONN_EVENT_DISCONN_NOTIF, 0, + conn_info->arg); + } else { + netdev_err(vif->ndev, "%s: conn_result is NULL\n", __func__); + } + + hif_drv->hif_state = HOST_IF_IDLE; + + eth_zero_addr(hif_drv->assoc_bssid); + + conn_info->req_ies_len = 0; + kfree(conn_info->req_ies); + conn_info->req_ies = NULL; + + return 0; +} + +int wilc_get_statistics(struct wilc_vif *vif, struct rf_info *stats) +{ + struct wid wid_list[5]; + u32 wid_cnt = 0, result; + + wid_list[wid_cnt].id = WID_LINKSPEED; + wid_list[wid_cnt].type = WID_CHAR; + wid_list[wid_cnt].size = sizeof(char); + wid_list[wid_cnt].val = (s8 *)&stats->link_speed; + wid_cnt++; + + wid_list[wid_cnt].id = WID_RSSI; + wid_list[wid_cnt].type = WID_CHAR; + wid_list[wid_cnt].size = sizeof(char); + wid_list[wid_cnt].val = (s8 *)&stats->rssi; + wid_cnt++; + + wid_list[wid_cnt].id = WID_SUCCESS_FRAME_COUNT; + wid_list[wid_cnt].type = WID_INT; + wid_list[wid_cnt].size = sizeof(u32); + wid_list[wid_cnt].val = (s8 *)&stats->tx_cnt; + wid_cnt++; + + wid_list[wid_cnt].id = WID_RECEIVED_FRAGMENT_COUNT; + wid_list[wid_cnt].type = WID_INT; + wid_list[wid_cnt].size = sizeof(u32); + wid_list[wid_cnt].val = (s8 *)&stats->rx_cnt; + wid_cnt++; + + wid_list[wid_cnt].id = WID_FAILED_COUNT; + wid_list[wid_cnt].type = WID_INT; + wid_list[wid_cnt].size = sizeof(u32); + wid_list[wid_cnt].val = (s8 *)&stats->tx_fail_cnt; + wid_cnt++; + + result = wilc_send_config_pkt(vif, WILC_GET_CFG, wid_list, wid_cnt); + if (result) { + netdev_err(vif->ndev, "Failed to send scan parameters\n"); + return result; + } + + if (stats->link_speed > TCP_ACK_FILTER_LINK_SPEED_THRESH && + stats->link_speed != DEFAULT_LINK_SPEED) + wilc_enable_tcp_ack_filter(vif, true); + else if (stats->link_speed != DEFAULT_LINK_SPEED) + wilc_enable_tcp_ack_filter(vif, false); + + return result; +} + +static void handle_get_statistics(struct work_struct *work) +{ + struct host_if_msg *msg = container_of(work, struct host_if_msg, work); + struct wilc_vif *vif = msg->vif; + struct rf_info *stats = (struct rf_info *)msg->body.data; + + wilc_get_statistics(vif, stats); + + kfree(msg); +} + +static void wilc_hif_pack_sta_param(u8 *cur_byte, const u8 *mac, + struct station_parameters *params) +{ + ether_addr_copy(cur_byte, mac); + cur_byte += ETH_ALEN; + + put_unaligned_le16(params->aid, cur_byte); + cur_byte += 2; + + *cur_byte++ = params->supported_rates_len; + if (params->supported_rates_len > 0) + memcpy(cur_byte, params->supported_rates, + params->supported_rates_len); + cur_byte += params->supported_rates_len; + + if (params->ht_capa) { + *cur_byte++ = true; + memcpy(cur_byte, params->ht_capa, + sizeof(struct ieee80211_ht_cap)); + } else { + *cur_byte++ = false; + } + cur_byte += sizeof(struct ieee80211_ht_cap); + + put_unaligned_le16(params->sta_flags_mask, cur_byte); + cur_byte += 2; + put_unaligned_le16(params->sta_flags_set, cur_byte); +} + +static int handle_remain_on_chan(struct wilc_vif *vif, + struct wilc_remain_ch *hif_remain_ch) +{ + int result; + u8 remain_on_chan_flag; + struct wid wid; + struct host_if_drv *hif_drv = vif->hif_drv; + + if (hif_drv->usr_scan_req.scan_result) + return -EBUSY; + + if (hif_drv->hif_state == HOST_IF_WAITING_CONN_RESP) + return -EBUSY; + + if (vif->connecting) + return -EBUSY; + + remain_on_chan_flag = true; + wid.id = WID_REMAIN_ON_CHAN; + wid.type = WID_STR; + wid.size = 2; + wid.val = kmalloc(wid.size, GFP_KERNEL); + if (!wid.val) + return -ENOMEM; + + wid.val[0] = remain_on_chan_flag; + wid.val[1] = (s8)hif_remain_ch->ch; + + result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1); + kfree(wid.val); + if (result) + return -EBUSY; + + hif_drv->remain_on_ch.arg = hif_remain_ch->arg; + hif_drv->remain_on_ch.expired = hif_remain_ch->expired; + hif_drv->remain_on_ch.ch = hif_remain_ch->ch; + hif_drv->remain_on_ch.cookie = hif_remain_ch->cookie; + hif_drv->remain_on_ch_timer_vif = vif; + + return 0; +} + +static int wilc_handle_roc_expired(struct wilc_vif *vif, u64 cookie) +{ + u8 remain_on_chan_flag; + struct wid wid; + int result; + struct host_if_drv *hif_drv = vif->hif_drv; + + if (vif->priv.p2p_listen_state) { + remain_on_chan_flag = false; + wid.id = WID_REMAIN_ON_CHAN; + wid.type = WID_STR; + wid.size = 2; + + wid.val = kmalloc(wid.size, GFP_KERNEL); + if (!wid.val) + return -ENOMEM; + + wid.val[0] = remain_on_chan_flag; + wid.val[1] = WILC_FALSE_FRMWR_CHANNEL; + + result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1); + kfree(wid.val); + if (result != 0) { + netdev_err(vif->ndev, "Failed to set remain channel\n"); + return -EINVAL; + } + + if (hif_drv->remain_on_ch.expired) { + hif_drv->remain_on_ch.expired(hif_drv->remain_on_ch.arg, + cookie); + } + } else { + netdev_dbg(vif->ndev, "Not in listen state\n"); + } + + return 0; +} + +static void wilc_handle_listen_state_expired(struct work_struct *work) +{ + struct host_if_msg *msg = container_of(work, struct host_if_msg, work); + + wilc_handle_roc_expired(msg->vif, msg->body.remain_on_ch.cookie); + kfree(msg); +} + +static void listen_timer_cb(struct timer_list *t) +{ + struct host_if_drv *hif_drv = from_timer(hif_drv, t, + remain_on_ch_timer); + struct wilc_vif *vif = hif_drv->remain_on_ch_timer_vif; + int result; + struct host_if_msg *msg; + + del_timer(&vif->hif_drv->remain_on_ch_timer); + + msg = wilc_alloc_work(vif, wilc_handle_listen_state_expired, false); + if (IS_ERR(msg)) + return; + + msg->body.remain_on_ch.cookie = vif->hif_drv->remain_on_ch.cookie; + + result = wilc_enqueue_work(msg); + if (result) { + netdev_err(vif->ndev, "%s: enqueue work failed\n", __func__); + kfree(msg); + } +} + +static void handle_set_mcast_filter(struct work_struct *work) +{ + struct host_if_msg *msg = container_of(work, struct host_if_msg, work); + struct wilc_vif *vif = msg->vif; + struct wilc_set_multicast *set_mc = &msg->body.mc_info; + int result; + struct wid wid; + u8 *cur_byte; + + wid.id = WID_SETUP_MULTICAST_FILTER; + wid.type = WID_BIN; + wid.size = sizeof(struct wilc_set_multicast) + (set_mc->cnt * ETH_ALEN); + wid.val = kmalloc(wid.size, GFP_KERNEL); + if (!wid.val) + goto error; + + cur_byte = wid.val; + put_unaligned_le32(set_mc->enabled, cur_byte); + cur_byte += 4; + + put_unaligned_le32(set_mc->cnt, cur_byte); + cur_byte += 4; + + if (set_mc->cnt > 0 && set_mc->mc_list) + memcpy(cur_byte, set_mc->mc_list, set_mc->cnt * ETH_ALEN); + + result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1); + if (result) + netdev_err(vif->ndev, "Failed to send setup multicast\n"); + +error: + kfree(set_mc->mc_list); + kfree(wid.val); + kfree(msg); +} + +static void handle_scan_timer(struct work_struct *work) +{ + struct host_if_msg *msg = container_of(work, struct host_if_msg, work); + + handle_scan_done(msg->vif, SCAN_EVENT_ABORTED); + kfree(msg); +} + +static void handle_scan_complete(struct work_struct *work) +{ + struct host_if_msg *msg = container_of(work, struct host_if_msg, work); + + del_timer(&msg->vif->hif_drv->scan_timer); + + handle_scan_done(msg->vif, SCAN_EVENT_DONE); + + kfree(msg); +} + +static void timer_scan_cb(struct timer_list *t) +{ + struct host_if_drv *hif_drv = from_timer(hif_drv, t, scan_timer); + struct wilc_vif *vif = hif_drv->scan_timer_vif; + struct host_if_msg *msg; + int result; + + msg = wilc_alloc_work(vif, handle_scan_timer, false); + if (IS_ERR(msg)) + return; + + result = wilc_enqueue_work(msg); + if (result) + kfree(msg); +} + +static void timer_connect_cb(struct timer_list *t) +{ + struct host_if_drv *hif_drv = from_timer(hif_drv, t, + connect_timer); + struct wilc_vif *vif = hif_drv->connect_timer_vif; + struct host_if_msg *msg; + int result; + + msg = wilc_alloc_work(vif, handle_connect_timeout, false); + if (IS_ERR(msg)) + return; + + result = wilc_enqueue_work(msg); + if (result) + kfree(msg); +} + +int wilc_remove_wep_key(struct wilc_vif *vif, u8 index) +{ + struct wid wid; + int result; + + wid.id = WID_REMOVE_WEP_KEY; + wid.type = WID_STR; + wid.size = sizeof(char); + wid.val = &index; + + result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1); + if (result) + netdev_err(vif->ndev, + "Failed to send remove wep key config packet\n"); + return result; +} + +int wilc_set_wep_default_keyid(struct wilc_vif *vif, u8 index) +{ + struct wid wid; + int result; + + wid.id = WID_KEY_ID; + wid.type = WID_CHAR; + wid.size = sizeof(char); + wid.val = &index; + result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1); + if (result) + netdev_err(vif->ndev, + "Failed to send wep default key config packet\n"); + + return result; +} + +int wilc_add_wep_key_bss_sta(struct wilc_vif *vif, const u8 *key, u8 len, + u8 index) +{ + struct wid wid; + int result; + struct wilc_wep_key *wep_key; + + wid.id = WID_ADD_WEP_KEY; + wid.type = WID_STR; + wid.size = sizeof(*wep_key) + len; + wep_key = kzalloc(wid.size, GFP_KERNEL); + if (!wep_key) + return -ENOMEM; + + wid.val = (u8 *)wep_key; + + wep_key->index = index; + wep_key->key_len = len; + memcpy(wep_key->key, key, len); + + result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1); + if (result) + netdev_err(vif->ndev, + "Failed to add wep key config packet\n"); + + kfree(wep_key); + return result; +} + +int wilc_add_wep_key_bss_ap(struct wilc_vif *vif, const u8 *key, u8 len, + u8 index, u8 mode, enum authtype auth_type) +{ + struct wid wid_list[3]; + int result; + struct wilc_wep_key *wep_key; + + wid_list[0].id = WID_11I_MODE; + wid_list[0].type = WID_CHAR; + wid_list[0].size = sizeof(char); + wid_list[0].val = &mode; + + wid_list[1].id = WID_AUTH_TYPE; + wid_list[1].type = WID_CHAR; + wid_list[1].size = sizeof(char); + wid_list[1].val = (s8 *)&auth_type; + + wid_list[2].id = WID_WEP_KEY_VALUE; + wid_list[2].type = WID_STR; + wid_list[2].size = sizeof(*wep_key) + len; + wep_key = kzalloc(wid_list[2].size, GFP_KERNEL); + if (!wep_key) + return -ENOMEM; + + wid_list[2].val = (u8 *)wep_key; + + wep_key->index = index; + wep_key->key_len = len; + memcpy(wep_key->key, key, len); + result = wilc_send_config_pkt(vif, WILC_SET_CFG, wid_list, + ARRAY_SIZE(wid_list)); + if (result) + netdev_err(vif->ndev, + "Failed to add wep ap key config packet\n"); + + kfree(wep_key); + return result; +} + +int wilc_add_ptk(struct wilc_vif *vif, const u8 *ptk, u8 ptk_key_len, + const u8 *mac_addr, const u8 *rx_mic, const u8 *tx_mic, + u8 mode, u8 cipher_mode, u8 index) +{ + int result = 0; + u8 t_key_len = ptk_key_len + WILC_RX_MIC_KEY_LEN + WILC_TX_MIC_KEY_LEN; + + if (mode == WILC_AP_MODE) { + struct wid wid_list[2]; + struct wilc_ap_wpa_ptk *key_buf; + + wid_list[0].id = WID_11I_MODE; + wid_list[0].type = WID_CHAR; + wid_list[0].size = sizeof(char); + wid_list[0].val = (s8 *)&cipher_mode; + + key_buf = kzalloc(sizeof(*key_buf) + t_key_len, GFP_KERNEL); + if (!key_buf) + return -ENOMEM; + + ether_addr_copy(key_buf->mac_addr, mac_addr); + key_buf->index = index; + key_buf->key_len = t_key_len; + memcpy(&key_buf->key[0], ptk, ptk_key_len); + + if (rx_mic) + memcpy(&key_buf->key[ptk_key_len], rx_mic, + WILC_RX_MIC_KEY_LEN); + + if (tx_mic) + memcpy(&key_buf->key[ptk_key_len + WILC_RX_MIC_KEY_LEN], + tx_mic, WILC_TX_MIC_KEY_LEN); + + wid_list[1].id = WID_ADD_PTK; + wid_list[1].type = WID_STR; + wid_list[1].size = sizeof(*key_buf) + t_key_len; + wid_list[1].val = (u8 *)key_buf; + result = wilc_send_config_pkt(vif, WILC_SET_CFG, wid_list, + ARRAY_SIZE(wid_list)); + kfree(key_buf); + } else if (mode == WILC_STATION_MODE) { + struct wid wid; + struct wilc_sta_wpa_ptk *key_buf; + + key_buf = kzalloc(sizeof(*key_buf) + t_key_len, GFP_KERNEL); + if (!key_buf) + return -ENOMEM; + + ether_addr_copy(key_buf->mac_addr, mac_addr); + key_buf->key_len = t_key_len; + memcpy(&key_buf->key[0], ptk, ptk_key_len); + + if (rx_mic) + memcpy(&key_buf->key[ptk_key_len], rx_mic, + WILC_RX_MIC_KEY_LEN); + + if (tx_mic) + memcpy(&key_buf->key[ptk_key_len + WILC_RX_MIC_KEY_LEN], + tx_mic, WILC_TX_MIC_KEY_LEN); + + wid.id = WID_ADD_PTK; + wid.type = WID_STR; + wid.size = sizeof(*key_buf) + t_key_len; + wid.val = (s8 *)key_buf; + result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1); + kfree(key_buf); + } + + return result; +} + +int wilc_add_rx_gtk(struct wilc_vif *vif, const u8 *rx_gtk, u8 gtk_key_len, + u8 index, u32 key_rsc_len, const u8 *key_rsc, + const u8 *rx_mic, const u8 *tx_mic, u8 mode, + u8 cipher_mode) +{ + int result = 0; + struct wilc_gtk_key *gtk_key; + int t_key_len = gtk_key_len + WILC_RX_MIC_KEY_LEN + WILC_TX_MIC_KEY_LEN; + + gtk_key = kzalloc(sizeof(*gtk_key) + t_key_len, GFP_KERNEL); + if (!gtk_key) + return -ENOMEM; + + /* fill bssid value only in station mode */ + if (mode == WILC_STATION_MODE && + vif->hif_drv->hif_state == HOST_IF_CONNECTED) + memcpy(gtk_key->mac_addr, vif->hif_drv->assoc_bssid, ETH_ALEN); + + if (key_rsc) + memcpy(gtk_key->rsc, key_rsc, 8); + gtk_key->index = index; + gtk_key->key_len = t_key_len; + memcpy(>k_key->key[0], rx_gtk, gtk_key_len); + + if (rx_mic) + memcpy(>k_key->key[gtk_key_len], rx_mic, WILC_RX_MIC_KEY_LEN); + + if (tx_mic) + memcpy(>k_key->key[gtk_key_len + WILC_RX_MIC_KEY_LEN], + tx_mic, WILC_TX_MIC_KEY_LEN); + + if (mode == WILC_AP_MODE) { + struct wid wid_list[2]; + + wid_list[0].id = WID_11I_MODE; + wid_list[0].type = WID_CHAR; + wid_list[0].size = sizeof(char); + wid_list[0].val = (s8 *)&cipher_mode; + + wid_list[1].id = WID_ADD_RX_GTK; + wid_list[1].type = WID_STR; + wid_list[1].size = sizeof(*gtk_key) + t_key_len; + wid_list[1].val = (u8 *)gtk_key; + + result = wilc_send_config_pkt(vif, WILC_SET_CFG, wid_list, + ARRAY_SIZE(wid_list)); + } else if (mode == WILC_STATION_MODE) { + struct wid wid; + + wid.id = WID_ADD_RX_GTK; + wid.type = WID_STR; + wid.size = sizeof(*gtk_key) + t_key_len; + wid.val = (u8 *)gtk_key; + result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1); + } + + kfree(gtk_key); + return result; +} + +int wilc_set_pmkid_info(struct wilc_vif *vif, struct wilc_pmkid_attr *pmkid) +{ + struct wid wid; + + wid.id = WID_PMKID_INFO; + wid.type = WID_STR; + wid.size = (pmkid->numpmkid * sizeof(struct wilc_pmkid)) + 1; + wid.val = (u8 *)pmkid; + + return wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1); +} + +int wilc_get_mac_address(struct wilc_vif *vif, u8 *mac_addr) +{ + int result; + struct wid wid; + + wid.id = WID_MAC_ADDR; + wid.type = WID_STR; + wid.size = ETH_ALEN; + wid.val = mac_addr; + + result = wilc_send_config_pkt(vif, WILC_GET_CFG, &wid, 1); + if (result) + netdev_err(vif->ndev, "Failed to get mac address\n"); + + return result; +} + +int wilc_set_join_req(struct wilc_vif *vif, u8 *bssid, const u8 *ies, + size_t ies_len) +{ + int result; + struct host_if_drv *hif_drv = vif->hif_drv; + struct wilc_conn_info *conn_info = &hif_drv->conn_info; + + if (bssid) + ether_addr_copy(conn_info->bssid, bssid); + + if (ies) { + conn_info->req_ies_len = ies_len; + conn_info->req_ies = kmemdup(ies, ies_len, GFP_KERNEL); + if (!conn_info->req_ies) + return -ENOMEM; + } + + result = wilc_send_connect_wid(vif); + if (result) + goto free_ies; + + hif_drv->connect_timer_vif = vif; + mod_timer(&hif_drv->connect_timer, + jiffies + msecs_to_jiffies(WILC_HIF_CONNECT_TIMEOUT_MS)); + + return 0; + +free_ies: + kfree(conn_info->req_ies); + + return result; +} + +int wilc_set_mac_chnl_num(struct wilc_vif *vif, u8 channel) +{ + struct wid wid; + int result; + + wid.id = WID_CURRENT_CHANNEL; + wid.type = WID_CHAR; + wid.size = sizeof(char); + wid.val = &channel; + + result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1); + if (result) + netdev_err(vif->ndev, "Failed to set channel\n"); + + return result; +} + +int wilc_set_operation_mode(struct wilc_vif *vif, int index, u8 mode, + u8 ifc_id) +{ + struct wid wid; + int result; + struct wilc_drv_handler drv; + + wid.id = WID_SET_OPERATION_MODE; + wid.type = WID_STR; + wid.size = sizeof(drv); + wid.val = (u8 *)&drv; + + drv.handler = cpu_to_le32(index); + drv.mode = (ifc_id | (mode << 1)); + + result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1); + if (result) + netdev_err(vif->ndev, "Failed to set driver handler\n"); + + return result; +} + +s32 wilc_get_inactive_time(struct wilc_vif *vif, const u8 *mac, u32 *out_val) +{ + struct wid wid; + s32 result; + + wid.id = WID_SET_STA_MAC_INACTIVE_TIME; + wid.type = WID_STR; + wid.size = ETH_ALEN; + wid.val = kzalloc(wid.size, GFP_KERNEL); + if (!wid.val) + return -ENOMEM; + + ether_addr_copy(wid.val, mac); + result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1); + kfree(wid.val); + if (result) { + netdev_err(vif->ndev, "Failed to set inactive mac\n"); + return result; + } + + wid.id = WID_GET_INACTIVE_TIME; + wid.type = WID_INT; + wid.val = (s8 *)out_val; + wid.size = sizeof(u32); + result = wilc_send_config_pkt(vif, WILC_GET_CFG, &wid, 1); + if (result) + netdev_err(vif->ndev, "Failed to get inactive time\n"); + + return result; +} + +int wilc_get_rssi(struct wilc_vif *vif, s8 *rssi_level) +{ + struct wid wid; + int result; + + if (!rssi_level) { + netdev_err(vif->ndev, "%s: RSSI level is NULL\n", __func__); + return -EFAULT; + } + + wid.id = WID_RSSI; + wid.type = WID_CHAR; + wid.size = sizeof(char); + wid.val = rssi_level; + result = wilc_send_config_pkt(vif, WILC_GET_CFG, &wid, 1); + if (result) + netdev_err(vif->ndev, "Failed to get RSSI value\n"); + + return result; +} + +static int wilc_get_stats_async(struct wilc_vif *vif, struct rf_info *stats) +{ + int result; + struct host_if_msg *msg; + + msg = wilc_alloc_work(vif, handle_get_statistics, false); + if (IS_ERR(msg)) + return PTR_ERR(msg); + + msg->body.data = (char *)stats; + + result = wilc_enqueue_work(msg); + if (result) { + netdev_err(vif->ndev, "%s: enqueue work failed\n", __func__); + kfree(msg); + return result; + } + + return result; +} + +int wilc_hif_set_cfg(struct wilc_vif *vif, struct cfg_param_attr *param) +{ + struct wid wid_list[4]; + int i = 0; + + if (param->flag & WILC_CFG_PARAM_RETRY_SHORT) { + wid_list[i].id = WID_SHORT_RETRY_LIMIT; + wid_list[i].val = (s8 *)¶m->short_retry_limit; + wid_list[i].type = WID_SHORT; + wid_list[i].size = sizeof(u16); + i++; + } + if (param->flag & WILC_CFG_PARAM_RETRY_LONG) { + wid_list[i].id = WID_LONG_RETRY_LIMIT; + wid_list[i].val = (s8 *)¶m->long_retry_limit; + wid_list[i].type = WID_SHORT; + wid_list[i].size = sizeof(u16); + i++; + } + if (param->flag & WILC_CFG_PARAM_FRAG_THRESHOLD) { + wid_list[i].id = WID_FRAG_THRESHOLD; + wid_list[i].val = (s8 *)¶m->frag_threshold; + wid_list[i].type = WID_SHORT; + wid_list[i].size = sizeof(u16); + i++; + } + if (param->flag & WILC_CFG_PARAM_RTS_THRESHOLD) { + wid_list[i].id = WID_RTS_THRESHOLD; + wid_list[i].val = (s8 *)¶m->rts_threshold; + wid_list[i].type = WID_SHORT; + wid_list[i].size = sizeof(u16); + i++; + } + + return wilc_send_config_pkt(vif, WILC_SET_CFG, wid_list, i); +} + +static void get_periodic_rssi(struct timer_list *t) +{ + struct wilc_vif *vif = from_timer(vif, t, periodic_rssi); + + if (!vif->hif_drv) { + netdev_err(vif->ndev, "%s: hif driver is NULL", __func__); + return; + } + + if (vif->hif_drv->hif_state == HOST_IF_CONNECTED) + wilc_get_stats_async(vif, &vif->periodic_stat); + + mod_timer(&vif->periodic_rssi, jiffies + msecs_to_jiffies(5000)); +} + +int wilc_init(struct net_device *dev, struct host_if_drv **hif_drv_handler) +{ + struct host_if_drv *hif_drv; + struct wilc_vif *vif = netdev_priv(dev); + struct wilc *wilc = vif->wilc; + + hif_drv = kzalloc(sizeof(*hif_drv), GFP_KERNEL); + if (!hif_drv) + return -ENOMEM; + + *hif_drv_handler = hif_drv; + + vif->hif_drv = hif_drv; + + if (wilc->clients_count == 0) + mutex_init(&wilc->deinit_lock); + + timer_setup(&vif->periodic_rssi, get_periodic_rssi, 0); + mod_timer(&vif->periodic_rssi, jiffies + msecs_to_jiffies(5000)); + + timer_setup(&hif_drv->scan_timer, timer_scan_cb, 0); + timer_setup(&hif_drv->connect_timer, timer_connect_cb, 0); + timer_setup(&hif_drv->remain_on_ch_timer, listen_timer_cb, 0); + + hif_drv->hif_state = HOST_IF_IDLE; + + hif_drv->p2p_timeout = 0; + + wilc->clients_count++; + + return 0; +} + +int wilc_deinit(struct wilc_vif *vif) +{ + int result = 0; + struct host_if_drv *hif_drv = vif->hif_drv; + + if (!hif_drv) { + netdev_err(vif->ndev, "%s: hif driver is NULL", __func__); + return -EFAULT; + } + + mutex_lock(&vif->wilc->deinit_lock); + + del_timer_sync(&hif_drv->scan_timer); + del_timer_sync(&hif_drv->connect_timer); + del_timer_sync(&vif->periodic_rssi); + del_timer_sync(&hif_drv->remain_on_ch_timer); + + if (hif_drv->usr_scan_req.scan_result) { + hif_drv->usr_scan_req.scan_result(SCAN_EVENT_ABORTED, NULL, + hif_drv->usr_scan_req.arg); + hif_drv->usr_scan_req.scan_result = NULL; + } + + hif_drv->hif_state = HOST_IF_IDLE; + + kfree(hif_drv); + vif->hif_drv = NULL; + vif->wilc->clients_count--; + mutex_unlock(&vif->wilc->deinit_lock); + return result; +} + +void wilc_network_info_received(struct wilc *wilc, u8 *buffer, u32 length) +{ + int result; + struct host_if_msg *msg; + int id; + struct host_if_drv *hif_drv; + struct wilc_vif *vif; + + id = get_unaligned_le32(&buffer[length - 4]); + vif = wilc_get_vif_from_idx(wilc, id); + if (!vif) + return; + hif_drv = vif->hif_drv; + + if (!hif_drv) { + netdev_err(vif->ndev, "driver not init[%p]\n", hif_drv); + return; + } + + msg = wilc_alloc_work(vif, handle_rcvd_ntwrk_info, false); + if (IS_ERR(msg)) + return; + + msg->body.net_info.frame_len = get_unaligned_le16(&buffer[6]) - 1; + msg->body.net_info.rssi = buffer[8]; + msg->body.net_info.mgmt = kmemdup(&buffer[9], + msg->body.net_info.frame_len, + GFP_KERNEL); + if (!msg->body.net_info.mgmt) { + kfree(msg); + return; + } + + result = wilc_enqueue_work(msg); + if (result) { + netdev_err(vif->ndev, "%s: enqueue work failed\n", __func__); + kfree(msg->body.net_info.mgmt); + kfree(msg); + } +} + +void wilc_gnrl_async_info_received(struct wilc *wilc, u8 *buffer, u32 length) +{ + int result; + struct host_if_msg *msg; + int id; + struct host_if_drv *hif_drv; + struct wilc_vif *vif; + + mutex_lock(&wilc->deinit_lock); + + id = get_unaligned_le32(&buffer[length - 4]); + vif = wilc_get_vif_from_idx(wilc, id); + if (!vif) { + mutex_unlock(&wilc->deinit_lock); + return; + } + + hif_drv = vif->hif_drv; + + if (!hif_drv) { + mutex_unlock(&wilc->deinit_lock); + return; + } + + if (!hif_drv->conn_info.conn_result) { + netdev_err(vif->ndev, "%s: conn_result is NULL\n", __func__); + mutex_unlock(&wilc->deinit_lock); + return; + } + + msg = wilc_alloc_work(vif, handle_rcvd_gnrl_async_info, false); + if (IS_ERR(msg)) { + mutex_unlock(&wilc->deinit_lock); + return; + } + + msg->body.mac_info.status = buffer[7]; + result = wilc_enqueue_work(msg); + if (result) { + netdev_err(vif->ndev, "%s: enqueue work failed\n", __func__); + kfree(msg); + } + + mutex_unlock(&wilc->deinit_lock); +} + +void wilc_scan_complete_received(struct wilc *wilc, u8 *buffer, u32 length) +{ + int result; + int id; + struct host_if_drv *hif_drv; + struct wilc_vif *vif; + + id = get_unaligned_le32(&buffer[length - 4]); + vif = wilc_get_vif_from_idx(wilc, id); + if (!vif) + return; + hif_drv = vif->hif_drv; + + if (!hif_drv) + return; + + if (hif_drv->usr_scan_req.scan_result) { + struct host_if_msg *msg; + + msg = wilc_alloc_work(vif, handle_scan_complete, false); + if (IS_ERR(msg)) + return; + + result = wilc_enqueue_work(msg); + if (result) { + netdev_err(vif->ndev, "%s: enqueue work failed\n", + __func__); + kfree(msg); + } + } +} + +int wilc_remain_on_channel(struct wilc_vif *vif, u64 cookie, + u32 duration, u16 chan, + void (*expired)(void *, u64), + void *user_arg) +{ + struct wilc_remain_ch roc; + int result; + + roc.ch = chan; + roc.expired = expired; + roc.arg = user_arg; + roc.duration = duration; + roc.cookie = cookie; + result = handle_remain_on_chan(vif, &roc); + if (result) + netdev_err(vif->ndev, "%s: failed to set remain on channel\n", + __func__); + + return result; +} + +int wilc_listen_state_expired(struct wilc_vif *vif, u64 cookie) +{ + if (!vif->hif_drv) { + netdev_err(vif->ndev, "%s: hif driver is NULL", __func__); + return -EFAULT; + } + + del_timer(&vif->hif_drv->remain_on_ch_timer); + + return wilc_handle_roc_expired(vif, cookie); +} + +void wilc_frame_register(struct wilc_vif *vif, u16 frame_type, bool reg) +{ + struct wid wid; + int result; + struct wilc_reg_frame reg_frame; + + wid.id = WID_REGISTER_FRAME; + wid.type = WID_STR; + wid.size = sizeof(reg_frame); + wid.val = (u8 *)®_frame; + + memset(®_frame, 0x0, sizeof(reg_frame)); + + if (reg) + reg_frame.reg = 1; + + switch (frame_type) { + case IEEE80211_STYPE_ACTION: + reg_frame.reg_id = WILC_FW_ACTION_FRM_IDX; + break; + + case IEEE80211_STYPE_PROBE_REQ: + reg_frame.reg_id = WILC_FW_PROBE_REQ_IDX; + break; + + default: + break; + } + reg_frame.frame_type = cpu_to_le16(frame_type); + result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1); + if (result) + netdev_err(vif->ndev, "Failed to frame register\n"); +} + +int wilc_add_beacon(struct wilc_vif *vif, u32 interval, u32 dtim_period, + struct cfg80211_beacon_data *params) +{ + struct wid wid; + int result; + u8 *cur_byte; + + wid.id = WID_ADD_BEACON; + wid.type = WID_BIN; + wid.size = params->head_len + params->tail_len + 16; + wid.val = kzalloc(wid.size, GFP_KERNEL); + if (!wid.val) + return -ENOMEM; + + cur_byte = wid.val; + put_unaligned_le32(interval, cur_byte); + cur_byte += 4; + put_unaligned_le32(dtim_period, cur_byte); + cur_byte += 4; + put_unaligned_le32(params->head_len, cur_byte); + cur_byte += 4; + + if (params->head_len > 0) + memcpy(cur_byte, params->head, params->head_len); + cur_byte += params->head_len; + + put_unaligned_le32(params->tail_len, cur_byte); + cur_byte += 4; + + if (params->tail_len > 0) + memcpy(cur_byte, params->tail, params->tail_len); + + result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1); + if (result) + netdev_err(vif->ndev, "Failed to send add beacon\n"); + + kfree(wid.val); + + return result; +} + +int wilc_del_beacon(struct wilc_vif *vif) +{ + int result; + struct wid wid; + u8 del_beacon = 0; + + wid.id = WID_DEL_BEACON; + wid.type = WID_CHAR; + wid.size = sizeof(char); + wid.val = &del_beacon; + + result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1); + if (result) + netdev_err(vif->ndev, "Failed to send delete beacon\n"); + + return result; +} + +int wilc_add_station(struct wilc_vif *vif, const u8 *mac, + struct station_parameters *params) +{ + struct wid wid; + int result; + u8 *cur_byte; + + wid.id = WID_ADD_STA; + wid.type = WID_BIN; + wid.size = WILC_ADD_STA_LENGTH + params->supported_rates_len; + wid.val = kmalloc(wid.size, GFP_KERNEL); + if (!wid.val) + return -ENOMEM; + + cur_byte = wid.val; + wilc_hif_pack_sta_param(cur_byte, mac, params); + + result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1); + if (result != 0) + netdev_err(vif->ndev, "Failed to send add station\n"); + + kfree(wid.val); + + return result; +} + +int wilc_del_station(struct wilc_vif *vif, const u8 *mac_addr) +{ + struct wid wid; + int result; + + wid.id = WID_REMOVE_STA; + wid.type = WID_BIN; + wid.size = ETH_ALEN; + wid.val = kzalloc(wid.size, GFP_KERNEL); + if (!wid.val) + return -ENOMEM; + + if (!mac_addr) + eth_broadcast_addr(wid.val); + else + ether_addr_copy(wid.val, mac_addr); + + result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1); + if (result) + netdev_err(vif->ndev, "Failed to del station\n"); + + kfree(wid.val); + + return result; +} + +int wilc_del_allstation(struct wilc_vif *vif, u8 mac_addr[][ETH_ALEN]) +{ + struct wid wid; + int result; + int i; + u8 assoc_sta = 0; + struct wilc_del_all_sta del_sta; + + memset(&del_sta, 0x0, sizeof(del_sta)); + for (i = 0; i < WILC_MAX_NUM_STA; i++) { + if (!is_zero_ether_addr(mac_addr[i])) { + assoc_sta++; + ether_addr_copy(del_sta.mac[i], mac_addr[i]); + } + } + + if (!assoc_sta) + return 0; + + del_sta.assoc_sta = assoc_sta; + + wid.id = WID_DEL_ALL_STA; + wid.type = WID_STR; + wid.size = (assoc_sta * ETH_ALEN) + 1; + wid.val = (u8 *)&del_sta; + + result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1); + if (result) + netdev_err(vif->ndev, "Failed to send delete all station\n"); + + return result; +} + +int wilc_edit_station(struct wilc_vif *vif, const u8 *mac, + struct station_parameters *params) +{ + struct wid wid; + int result; + u8 *cur_byte; + + wid.id = WID_EDIT_STA; + wid.type = WID_BIN; + wid.size = WILC_ADD_STA_LENGTH + params->supported_rates_len; + wid.val = kmalloc(wid.size, GFP_KERNEL); + if (!wid.val) + return -ENOMEM; + + cur_byte = wid.val; + wilc_hif_pack_sta_param(cur_byte, mac, params); + + result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1); + if (result) + netdev_err(vif->ndev, "Failed to send edit station\n"); + + kfree(wid.val); + return result; +} + +int wilc_set_power_mgmt(struct wilc_vif *vif, bool enabled, u32 timeout) +{ + struct wid wid; + int result; + s8 power_mode; + + if (enabled) + power_mode = WILC_FW_MIN_FAST_PS; + else + power_mode = WILC_FW_NO_POWERSAVE; + + wid.id = WID_POWER_MANAGEMENT; + wid.val = &power_mode; + wid.size = sizeof(char); + result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1); + if (result) + netdev_err(vif->ndev, "Failed to send power management\n"); + + return result; +} + +int wilc_setup_multicast_filter(struct wilc_vif *vif, u32 enabled, u32 count, + u8 *mc_list) +{ + int result; + struct host_if_msg *msg; + + msg = wilc_alloc_work(vif, handle_set_mcast_filter, false); + if (IS_ERR(msg)) + return PTR_ERR(msg); + + msg->body.mc_info.enabled = enabled; + msg->body.mc_info.cnt = count; + msg->body.mc_info.mc_list = mc_list; + + result = wilc_enqueue_work(msg); + if (result) { + netdev_err(vif->ndev, "%s: enqueue work failed\n", __func__); + kfree(msg); + } + return result; +} + +int wilc_set_tx_power(struct wilc_vif *vif, u8 tx_power) +{ + struct wid wid; + + wid.id = WID_TX_POWER; + wid.type = WID_CHAR; + wid.val = &tx_power; + wid.size = sizeof(char); + + return wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1); +} + +int wilc_get_tx_power(struct wilc_vif *vif, u8 *tx_power) +{ + struct wid wid; + + wid.id = WID_TX_POWER; + wid.type = WID_CHAR; + wid.val = tx_power; + wid.size = sizeof(char); + + return wilc_send_config_pkt(vif, WILC_GET_CFG, &wid, 1); +} From patchwork Mon Mar 2 16:34:33 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ajay Singh X-Patchwork-Id: 203951 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=-9.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,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 F1D88C3F2CD for ; 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Signed-off-by: Ajay Singh --- .../wireless/microchip/wilc1000/wlan_cfg.c | 413 ++++++++++++++++++ 1 file changed, 413 insertions(+) create mode 100644 drivers/net/wireless/microchip/wilc1000/wlan_cfg.c diff --git a/drivers/net/wireless/microchip/wilc1000/wlan_cfg.c b/drivers/net/wireless/microchip/wilc1000/wlan_cfg.c new file mode 100644 index 000000000000..fe2a7ed8e5cd --- /dev/null +++ b/drivers/net/wireless/microchip/wilc1000/wlan_cfg.c @@ -0,0 +1,413 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (c) 2012 - 2018 Microchip Technology Inc., and its subsidiaries. + * All rights reserved. + */ + +#include +#include "wlan_if.h" +#include "wlan.h" +#include "wlan_cfg.h" +#include "netdev.h" + +enum cfg_cmd_type { + CFG_BYTE_CMD = 0, + CFG_HWORD_CMD = 1, + CFG_WORD_CMD = 2, + CFG_STR_CMD = 3, + CFG_BIN_CMD = 4 +}; + +static const struct wilc_cfg_byte g_cfg_byte[] = { + {WID_STATUS, 0}, + {WID_RSSI, 0}, + {WID_LINKSPEED, 0}, + {WID_NIL, 0} +}; + +static const struct wilc_cfg_hword g_cfg_hword[] = { + {WID_NIL, 0} +}; + +static const struct wilc_cfg_word g_cfg_word[] = { + {WID_FAILED_COUNT, 0}, + {WID_RECEIVED_FRAGMENT_COUNT, 0}, + {WID_SUCCESS_FRAME_COUNT, 0}, + {WID_GET_INACTIVE_TIME, 0}, + {WID_NIL, 0} + +}; + +static const struct wilc_cfg_str g_cfg_str[] = { + {WID_FIRMWARE_VERSION, NULL}, + {WID_MAC_ADDR, NULL}, + {WID_ASSOC_RES_INFO, NULL}, + {WID_NIL, NULL} +}; + +#define WILC_RESP_MSG_TYPE_CONFIG_REPLY 'R' +#define WILC_RESP_MSG_TYPE_STATUS_INFO 'I' +#define WILC_RESP_MSG_TYPE_NETWORK_INFO 'N' +#define WILC_RESP_MSG_TYPE_SCAN_COMPLETE 'S' + +/******************************************** + * + * Configuration Functions + * + ********************************************/ + +static int wilc_wlan_cfg_set_byte(u8 *frame, u32 offset, u16 id, u8 val8) +{ + if ((offset + 4) >= WILC_MAX_CFG_FRAME_SIZE) + return 0; + + put_unaligned_le16(id, &frame[offset]); + put_unaligned_le16(1, &frame[offset + 2]); + frame[offset + 4] = val8; + return 5; +} + +static int wilc_wlan_cfg_set_hword(u8 *frame, u32 offset, u16 id, u16 val16) +{ + if ((offset + 5) >= WILC_MAX_CFG_FRAME_SIZE) + return 0; + + put_unaligned_le16(id, &frame[offset]); + put_unaligned_le16(2, &frame[offset + 2]); + put_unaligned_le16(val16, &frame[offset + 4]); + + return 6; +} + +static int wilc_wlan_cfg_set_word(u8 *frame, u32 offset, u16 id, u32 val32) +{ + if ((offset + 7) >= WILC_MAX_CFG_FRAME_SIZE) + return 0; + + put_unaligned_le16(id, &frame[offset]); + put_unaligned_le16(4, &frame[offset + 2]); + put_unaligned_le32(val32, &frame[offset + 4]); + + return 8; +} + +static int wilc_wlan_cfg_set_str(u8 *frame, u32 offset, u16 id, u8 *str, + u32 size) +{ + if ((offset + size + 4) >= WILC_MAX_CFG_FRAME_SIZE) + return 0; + + put_unaligned_le16(id, &frame[offset]); + put_unaligned_le16(size, &frame[offset + 2]); + if (str && size != 0) + memcpy(&frame[offset + 4], str, size); + + return (size + 4); +} + +static int wilc_wlan_cfg_set_bin(u8 *frame, u32 offset, u16 id, u8 *b, u32 size) +{ + u32 i; + u8 checksum = 0; + + if ((offset + size + 5) >= WILC_MAX_CFG_FRAME_SIZE) + return 0; + + put_unaligned_le16(id, &frame[offset]); + put_unaligned_le16(size, &frame[offset + 2]); + + if ((b) && size != 0) { + memcpy(&frame[offset + 4], b, size); + for (i = 0; i < size; i++) + checksum += frame[offset + i + 4]; + } + + frame[offset + size + 4] = checksum; + + return (size + 5); +} + +/******************************************** + * + * Configuration Response Functions + * + ********************************************/ + +static void wilc_wlan_parse_response_frame(struct wilc *wl, u8 *info, int size) +{ + u16 wid; + u32 len = 0, i = 0; + struct wilc_cfg *cfg = &wl->cfg; + + while (size > 0) { + i = 0; + wid = get_unaligned_le16(info); + + switch (FIELD_GET(WILC_WID_TYPE, wid)) { + case WID_CHAR: + while (cfg->b[i].id != WID_NIL && cfg->b[i].id != wid) + i++; + + if (cfg->b[i].id == wid) + cfg->b[i].val = info[4]; + + len = 3; + break; + + case WID_SHORT: + while (cfg->hw[i].id != WID_NIL && cfg->hw[i].id != wid) + i++; + + if (cfg->hw[i].id == wid) + cfg->hw[i].val = get_unaligned_le16(&info[4]); + + len = 4; + break; + + case WID_INT: + while (cfg->w[i].id != WID_NIL && cfg->w[i].id != wid) + i++; + + if (cfg->w[i].id == wid) + cfg->w[i].val = get_unaligned_le32(&info[4]); + + len = 6; + break; + + case WID_STR: + while (cfg->s[i].id != WID_NIL && cfg->s[i].id != wid) + i++; + + if (cfg->s[i].id == wid) + memcpy(cfg->s[i].str, &info[2], info[2] + 2); + + len = 2 + info[2]; + break; + + default: + break; + } + size -= (2 + len); + info += (2 + len); + } +} + +static void wilc_wlan_parse_info_frame(struct wilc *wl, u8 *info) +{ + u32 wid, len; + + wid = get_unaligned_le16(info); + + len = info[2]; + + if (len == 1 && wid == WID_STATUS) { + int i = 0; + + while (wl->cfg.b[i].id != WID_NIL && + wl->cfg.b[i].id != wid) + i++; + + if (wl->cfg.b[i].id == wid) + wl->cfg.b[i].val = info[3]; + } +} + +/******************************************** + * + * Configuration Exported Functions + * + ********************************************/ + +int wilc_wlan_cfg_set_wid(u8 *frame, u32 offset, u16 id, u8 *buf, int size) +{ + u8 type = FIELD_GET(WILC_WID_TYPE, id); + int ret = 0; + + switch (type) { + case CFG_BYTE_CMD: + if (size >= 1) + ret = wilc_wlan_cfg_set_byte(frame, offset, id, *buf); + break; + + case CFG_HWORD_CMD: + if (size >= 2) + ret = wilc_wlan_cfg_set_hword(frame, offset, id, + *((u16 *)buf)); + break; + + case CFG_WORD_CMD: + if (size >= 4) + ret = wilc_wlan_cfg_set_word(frame, offset, id, + *((u32 *)buf)); + break; + + case CFG_STR_CMD: + ret = wilc_wlan_cfg_set_str(frame, offset, id, buf, size); + break; + + case CFG_BIN_CMD: + ret = wilc_wlan_cfg_set_bin(frame, offset, id, buf, size); + break; + } + + return ret; +} + +int wilc_wlan_cfg_get_wid(u8 *frame, u32 offset, u16 id) +{ + if ((offset + 2) >= WILC_MAX_CFG_FRAME_SIZE) + return 0; + + put_unaligned_le16(id, &frame[offset]); + + return 2; +} + +int wilc_wlan_cfg_get_val(struct wilc *wl, u16 wid, u8 *buffer, + u32 buffer_size) +{ + u8 type = FIELD_GET(WILC_WID_TYPE, wid); + int i, ret = 0; + struct wilc_cfg *cfg = &wl->cfg; + + i = 0; + if (type == CFG_BYTE_CMD) { + while (cfg->b[i].id != WID_NIL && cfg->b[i].id != wid) + i++; + + if (cfg->b[i].id == wid) { + memcpy(buffer, &cfg->b[i].val, 1); + ret = 1; + } + } else if (type == CFG_HWORD_CMD) { + while (cfg->hw[i].id != WID_NIL && cfg->hw[i].id != wid) + i++; + + if (cfg->hw[i].id == wid) { + memcpy(buffer, &cfg->hw[i].val, 2); + ret = 2; + } + } else if (type == CFG_WORD_CMD) { + while (cfg->w[i].id != WID_NIL && cfg->w[i].id != wid) + i++; + + if (cfg->w[i].id == wid) { + memcpy(buffer, &cfg->w[i].val, 4); + ret = 4; + } + } else if (type == CFG_STR_CMD) { + while (cfg->s[i].id != WID_NIL && cfg->s[i].id != wid) + i++; + + if (cfg->s[i].id == wid) { + u16 size = get_unaligned_le16(cfg->s[i].str); + + if (buffer_size >= size) { + memcpy(buffer, &cfg->s[i].str[2], size); + ret = size; + } + } + } + return ret; +} + +void wilc_wlan_cfg_indicate_rx(struct wilc *wilc, u8 *frame, int size, + struct wilc_cfg_rsp *rsp) +{ + u8 msg_type; + u8 msg_id; + + msg_type = frame[0]; + msg_id = frame[1]; /* seq no */ + frame += 4; + size -= 4; + rsp->type = 0; + + switch (msg_type) { + case WILC_RESP_MSG_TYPE_CONFIG_REPLY: + wilc_wlan_parse_response_frame(wilc, frame, size); + rsp->type = WILC_CFG_RSP; + rsp->seq_no = msg_id; + break; + + case WILC_RESP_MSG_TYPE_STATUS_INFO: + wilc_wlan_parse_info_frame(wilc, frame); + rsp->type = WILC_CFG_RSP_STATUS; + rsp->seq_no = msg_id; + /* call host interface info parse as well */ + wilc_gnrl_async_info_received(wilc, frame - 4, size + 4); + break; + + case WILC_RESP_MSG_TYPE_NETWORK_INFO: + wilc_network_info_received(wilc, frame - 4, size + 4); + break; + + case WILC_RESP_MSG_TYPE_SCAN_COMPLETE: + wilc_scan_complete_received(wilc, frame - 4, size + 4); + break; + + default: + rsp->seq_no = msg_id; + break; + } +} + +int wilc_wlan_cfg_init(struct wilc *wl) +{ + struct wilc_cfg_str_vals *str_vals; + int i = 0; + + wl->cfg.b = kmemdup(g_cfg_byte, sizeof(g_cfg_byte), GFP_KERNEL); + if (!wl->cfg.b) + return -ENOMEM; + + wl->cfg.hw = kmemdup(g_cfg_hword, sizeof(g_cfg_hword), GFP_KERNEL); + if (!wl->cfg.hw) + goto out_b; + + wl->cfg.w = kmemdup(g_cfg_word, sizeof(g_cfg_word), GFP_KERNEL); + if (!wl->cfg.w) + goto out_hw; + + wl->cfg.s = kmemdup(g_cfg_str, sizeof(g_cfg_str), GFP_KERNEL); + if (!wl->cfg.s) + goto out_w; + + str_vals = kzalloc(sizeof(*str_vals), GFP_KERNEL); + if (!str_vals) + goto out_s; + + wl->cfg.str_vals = str_vals; + /* store the string cfg parameters */ + wl->cfg.s[i].id = WID_FIRMWARE_VERSION; + wl->cfg.s[i].str = str_vals->firmware_version; + i++; + wl->cfg.s[i].id = WID_MAC_ADDR; + wl->cfg.s[i].str = str_vals->mac_address; + i++; + wl->cfg.s[i].id = WID_ASSOC_RES_INFO; + wl->cfg.s[i].str = str_vals->assoc_rsp; + i++; + wl->cfg.s[i].id = WID_NIL; + wl->cfg.s[i].str = NULL; + return 0; + +out_s: + kfree(wl->cfg.s); +out_w: + kfree(wl->cfg.w); +out_hw: + kfree(wl->cfg.hw); +out_b: + kfree(wl->cfg.b); + return -ENOMEM; +} + +void wilc_wlan_cfg_deinit(struct wilc *wl) +{ + kfree(wl->cfg.b); + kfree(wl->cfg.hw); + kfree(wl->cfg.w); + kfree(wl->cfg.s); + kfree(wl->cfg.str_vals); +} From patchwork Mon Mar 2 16:34:33 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ajay Singh X-Patchwork-Id: 203948 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=-9.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=ham 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 85E28C3F2D8 for ; 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x-forefront-prvs: 033054F29A x-forefront-antispam-report: SFV:NSPM; SFS:(10009020)(376002)(396003)(39860400002)(136003)(366004)(346002)(199004)(189003)(316002)(6916009)(86362001)(6512007)(30864003)(2616005)(478600001)(71200400001)(54906003)(4326008)(64756008)(186003)(107886003)(66446008)(5660300002)(91956017)(76116006)(8676002)(66476007)(66946007)(6486002)(6506007)(66556008)(26005)(81156014)(81166006)(2906002)(1076003)(36756003)(8936002)(579004)(559001); DIR:OUT; SFP:1101; SCL:1; SRVR:BN6PR11MB4098; H:BN6PR11MB3985.namprd11.prod.outlook.com; FPR:; SPF:None; LANG:en; PTR:InfoNoRecords; A:1; MX:1; received-spf: None (protection.outlook.com: microchip.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam: BCL:0; x-microsoft-antispam-message-info: S1/XstBLuG899E5BQTUe6LSuzo8eV279VU6GrwpJnpo97IXvV6BRLZi9Y1Pp9aG19lf/FuMN4UEtmTUVg539Ncp9e7Q+kvT3zcYhJqUEd5Bm2gvCKmQK0wzM3toH1RgRMtm0MXJ5Il2Ao8oKC2A2KrFftkHIZm+MlRhC5ar3fYZmKRFCQlHNbBWzcnRt7MO8Nr3l151b1PYaNvIEEtFHN6wYDni0odE+Vn98nxEqJol1LHBLJyfx2MtOahjyAPlAXGd03JtXTE3eOcEIfzhLl3PLmjacy8OpvbjGQH8Hl5UmflJ5UCjmndr5kU/AqWHQb9sXlPO6pCF/WgLXI5PrrqI2lCHjXOKN5GyL0bR6hliTKhaZkQFSH4JbfSLs9R6iNueE97ZWNLCchuAN/1KOnFhyCowjamVMGu9I48tvaYZh9Q7PmzNT1AgjEZde2Hpu x-ms-exchange-antispam-messagedata: b/d1cidhMvkR9WeTi3lOmUsDbp+PvwX9k+csa/h+YGdlmLfhLFsFjgdPrSRiSxTbfw+qVv311injo5MsOYtYvVxYCi15+1aZx2BpaognhnTKU5xm9DRJgEbb+vdGAQSighYKrZsceCAa/P4FfgzziA== MIME-Version: 1.0 X-MS-Exchange-CrossTenant-Network-Message-Id: 979a3124-fff7-4674-a05d-08d7bec7972b X-MS-Exchange-CrossTenant-originalarrivaltime: 02 Mar 2020 16:34:33.8473 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 3f4057f3-b418-4d4e-ba84-d55b4e897d88 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: c2UgGYMS5b9RXUUg91ooLVZcas4Yhq6Cr56M4NsCYnvR0LiH4xonOzdoU+/kNzQ3Fc0ZpK1qQZOwb3d2K854DKMuGKy7SW8+enbE3HI5XSA= X-MS-Exchange-Transport-CrossTenantHeadersStamped: BN6PR11MB4098 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org From: Ajay Singh Moved 'drivers/staging/wilc1000/cfg80211.c' to 'drivers/net/wireless/microchip/wilc1000/cfg80211.c'. Signed-off-by: Ajay Singh --- .../wireless/microchip/wilc1000/cfg80211.c | 1850 +++++++++++++++++ 1 file changed, 1850 insertions(+) create mode 100644 drivers/net/wireless/microchip/wilc1000/cfg80211.c diff --git a/drivers/net/wireless/microchip/wilc1000/cfg80211.c b/drivers/net/wireless/microchip/wilc1000/cfg80211.c new file mode 100644 index 000000000000..54e02807cebf --- /dev/null +++ b/drivers/net/wireless/microchip/wilc1000/cfg80211.c @@ -0,0 +1,1850 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (c) 2012 - 2018 Microchip Technology Inc., and its subsidiaries. + * All rights reserved. + */ + +#include "cfg80211.h" + +#define GO_NEG_REQ 0x00 +#define GO_NEG_RSP 0x01 +#define GO_NEG_CONF 0x02 +#define P2P_INV_REQ 0x03 +#define P2P_INV_RSP 0x04 + +#define WILC_INVALID_CHANNEL 0 + +/* Operation at 2.4 GHz with channels 1-13 */ +#define WILC_WLAN_OPERATING_CLASS_2_4GHZ 0x51 + +static const struct ieee80211_txrx_stypes + wilc_wfi_cfg80211_mgmt_types[NUM_NL80211_IFTYPES] = { + [NL80211_IFTYPE_STATION] = { + .tx = 0xffff, + .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | + BIT(IEEE80211_STYPE_PROBE_REQ >> 4) + }, + [NL80211_IFTYPE_AP] = { + .tx = 0xffff, + .rx = BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) | + BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) | + BIT(IEEE80211_STYPE_PROBE_REQ >> 4) | + BIT(IEEE80211_STYPE_DISASSOC >> 4) | + BIT(IEEE80211_STYPE_AUTH >> 4) | + BIT(IEEE80211_STYPE_DEAUTH >> 4) | + BIT(IEEE80211_STYPE_ACTION >> 4) + }, + [NL80211_IFTYPE_P2P_CLIENT] = { + .tx = 0xffff, + .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | + BIT(IEEE80211_STYPE_PROBE_REQ >> 4) | + BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) | + BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) | + BIT(IEEE80211_STYPE_DISASSOC >> 4) | + BIT(IEEE80211_STYPE_AUTH >> 4) | + BIT(IEEE80211_STYPE_DEAUTH >> 4) + } +}; + +static const struct wiphy_wowlan_support wowlan_support = { + .flags = WIPHY_WOWLAN_ANY +}; + +struct wilc_p2p_mgmt_data { + int size; + u8 *buff; +}; + +struct wilc_p2p_pub_act_frame { + u8 category; + u8 action; + u8 oui[3]; + u8 oui_type; + u8 oui_subtype; + u8 dialog_token; + u8 elem[]; +} __packed; + +struct wilc_vendor_specific_ie { + u8 tag_number; + u8 tag_len; + u8 oui[3]; + u8 oui_type; + u8 attr[]; +} __packed; + +struct wilc_attr_entry { + u8 attr_type; + __le16 attr_len; + u8 val[]; +} __packed; + +struct wilc_attr_oper_ch { + u8 attr_type; + __le16 attr_len; + u8 country_code[IEEE80211_COUNTRY_STRING_LEN]; + u8 op_class; + u8 op_channel; +} __packed; + +struct wilc_attr_ch_list { + u8 attr_type; + __le16 attr_len; + u8 country_code[IEEE80211_COUNTRY_STRING_LEN]; + u8 elem[]; +} __packed; + +struct wilc_ch_list_elem { + u8 op_class; + u8 no_of_channels; + u8 ch_list[]; +} __packed; + +static void cfg_scan_result(enum scan_event scan_event, + struct wilc_rcvd_net_info *info, void *user_void) +{ + struct wilc_priv *priv = user_void; + + if (!priv->cfg_scanning) + return; + + if (scan_event == SCAN_EVENT_NETWORK_FOUND) { + s32 freq; + struct ieee80211_channel *channel; + struct cfg80211_bss *bss; + struct wiphy *wiphy = priv->dev->ieee80211_ptr->wiphy; + + if (!wiphy || !info) + return; + + freq = ieee80211_channel_to_frequency((s32)info->ch, + NL80211_BAND_2GHZ); + channel = ieee80211_get_channel(wiphy, freq); + if (!channel) + return; + + bss = cfg80211_inform_bss_frame(wiphy, channel, info->mgmt, + info->frame_len, + (s32)info->rssi * 100, + GFP_KERNEL); + if (!bss) + cfg80211_put_bss(wiphy, bss); + } else if (scan_event == SCAN_EVENT_DONE) { + mutex_lock(&priv->scan_req_lock); + + if (priv->scan_req) { + struct cfg80211_scan_info info = { + .aborted = false, + }; + + cfg80211_scan_done(priv->scan_req, &info); + priv->cfg_scanning = false; + priv->scan_req = NULL; + } + mutex_unlock(&priv->scan_req_lock); + } else if (scan_event == SCAN_EVENT_ABORTED) { + mutex_lock(&priv->scan_req_lock); + + if (priv->scan_req) { + struct cfg80211_scan_info info = { + .aborted = false, + }; + + cfg80211_scan_done(priv->scan_req, &info); + priv->cfg_scanning = false; + priv->scan_req = NULL; + } + mutex_unlock(&priv->scan_req_lock); + } +} + +static void cfg_connect_result(enum conn_event conn_disconn_evt, u8 mac_status, + void *priv_data) +{ + struct wilc_priv *priv = priv_data; + struct net_device *dev = priv->dev; + struct wilc_vif *vif = netdev_priv(dev); + struct wilc *wl = vif->wilc; + struct host_if_drv *wfi_drv = priv->hif_drv; + struct wilc_conn_info *conn_info = &wfi_drv->conn_info; + struct wiphy *wiphy = dev->ieee80211_ptr->wiphy; + + vif->connecting = false; + + if (conn_disconn_evt == CONN_DISCONN_EVENT_CONN_RESP) { + u16 connect_status = conn_info->status; + + if (mac_status == WILC_MAC_STATUS_DISCONNECTED && + connect_status == WLAN_STATUS_SUCCESS) { + connect_status = WLAN_STATUS_UNSPECIFIED_FAILURE; + wilc_wlan_set_bssid(priv->dev, NULL, WILC_STATION_MODE); + + if (vif->iftype != WILC_CLIENT_MODE) + wl->sta_ch = WILC_INVALID_CHANNEL; + + netdev_err(dev, "Unspecified failure\n"); + } + + if (connect_status == WLAN_STATUS_SUCCESS) + memcpy(priv->associated_bss, conn_info->bssid, + ETH_ALEN); + + cfg80211_ref_bss(wiphy, vif->bss); + cfg80211_connect_bss(dev, conn_info->bssid, vif->bss, + conn_info->req_ies, + conn_info->req_ies_len, + conn_info->resp_ies, + conn_info->resp_ies_len, + connect_status, GFP_KERNEL, + NL80211_TIMEOUT_UNSPECIFIED); + + vif->bss = NULL; + } else if (conn_disconn_evt == CONN_DISCONN_EVENT_DISCONN_NOTIF) { + u16 reason = 0; + + eth_zero_addr(priv->associated_bss); + wilc_wlan_set_bssid(priv->dev, NULL, WILC_STATION_MODE); + + if (vif->iftype != WILC_CLIENT_MODE) { + wl->sta_ch = WILC_INVALID_CHANNEL; + } else { + if (wfi_drv->ifc_up) + reason = 3; + else + reason = 1; + } + + cfg80211_disconnected(dev, reason, NULL, 0, false, GFP_KERNEL); + } +} + +struct wilc_vif *wilc_get_wl_to_vif(struct wilc *wl) +{ + struct wilc_vif *vif; + + vif = list_first_or_null_rcu(&wl->vif_list, typeof(*vif), list); + if (!vif) + return ERR_PTR(-EINVAL); + + return vif; +} + +static int set_channel(struct wiphy *wiphy, + struct cfg80211_chan_def *chandef) +{ + struct wilc *wl = wiphy_priv(wiphy); + struct wilc_vif *vif; + u32 channelnum; + int result; + int srcu_idx; + + srcu_idx = srcu_read_lock(&wl->srcu); + vif = wilc_get_wl_to_vif(wl); + if (IS_ERR(vif)) { + srcu_read_unlock(&wl->srcu, srcu_idx); + return PTR_ERR(vif); + } + + channelnum = ieee80211_frequency_to_channel(chandef->chan->center_freq); + + wl->op_ch = channelnum; + result = wilc_set_mac_chnl_num(vif, channelnum); + if (result) + netdev_err(vif->ndev, "Error in setting channel\n"); + + srcu_read_unlock(&wl->srcu, srcu_idx); + return result; +} + +static int scan(struct wiphy *wiphy, struct cfg80211_scan_request *request) +{ + struct wilc_vif *vif = netdev_priv(request->wdev->netdev); + struct wilc_priv *priv = &vif->priv; + u32 i; + int ret = 0; + u8 scan_ch_list[WILC_MAX_NUM_SCANNED_CH]; + u8 scan_type; + + if (request->n_channels > WILC_MAX_NUM_SCANNED_CH) { + netdev_err(vif->ndev, "Requested scanned channels over\n"); + return -EINVAL; + } + + priv->scan_req = request; + priv->cfg_scanning = true; + for (i = 0; i < request->n_channels; i++) { + u16 freq = request->channels[i]->center_freq; + + scan_ch_list[i] = ieee80211_frequency_to_channel(freq); + } + + if (request->n_ssids) + scan_type = WILC_FW_ACTIVE_SCAN; + else + scan_type = WILC_FW_PASSIVE_SCAN; + + ret = wilc_scan(vif, WILC_FW_USER_SCAN, scan_type, scan_ch_list, + request->n_channels, cfg_scan_result, (void *)priv, + request); + + if (ret) { + priv->scan_req = NULL; + priv->cfg_scanning = false; + } + + return ret; +} + +static int connect(struct wiphy *wiphy, struct net_device *dev, + struct cfg80211_connect_params *sme) +{ + struct wilc_vif *vif = netdev_priv(dev); + struct wilc_priv *priv = &vif->priv; + struct host_if_drv *wfi_drv = priv->hif_drv; + int ret; + u32 i; + u8 security = WILC_FW_SEC_NO; + enum authtype auth_type = WILC_FW_AUTH_ANY; + u32 cipher_group; + struct cfg80211_bss *bss; + void *join_params; + u8 ch; + + vif->connecting = true; + + memset(priv->wep_key, 0, sizeof(priv->wep_key)); + memset(priv->wep_key_len, 0, sizeof(priv->wep_key_len)); + + cipher_group = sme->crypto.cipher_group; + if (cipher_group != 0) { + if (cipher_group == WLAN_CIPHER_SUITE_WEP40) { + security = WILC_FW_SEC_WEP; + + priv->wep_key_len[sme->key_idx] = sme->key_len; + memcpy(priv->wep_key[sme->key_idx], sme->key, + sme->key_len); + + wilc_set_wep_default_keyid(vif, sme->key_idx); + wilc_add_wep_key_bss_sta(vif, sme->key, sme->key_len, + sme->key_idx); + } else if (cipher_group == WLAN_CIPHER_SUITE_WEP104) { + security = WILC_FW_SEC_WEP_EXTENDED; + + priv->wep_key_len[sme->key_idx] = sme->key_len; + memcpy(priv->wep_key[sme->key_idx], sme->key, + sme->key_len); + + wilc_set_wep_default_keyid(vif, sme->key_idx); + wilc_add_wep_key_bss_sta(vif, sme->key, sme->key_len, + sme->key_idx); + } else if (sme->crypto.wpa_versions & NL80211_WPA_VERSION_2) { + if (cipher_group == WLAN_CIPHER_SUITE_TKIP) + security = WILC_FW_SEC_WPA2_TKIP; + else + security = WILC_FW_SEC_WPA2_AES; + } else if (sme->crypto.wpa_versions & NL80211_WPA_VERSION_1) { + if (cipher_group == WLAN_CIPHER_SUITE_TKIP) + security = WILC_FW_SEC_WPA_TKIP; + else + security = WILC_FW_SEC_WPA_AES; + } else { + ret = -ENOTSUPP; + netdev_err(dev, "%s: Unsupported cipher\n", + __func__); + goto out_error; + } + } + + if ((sme->crypto.wpa_versions & NL80211_WPA_VERSION_1) || + (sme->crypto.wpa_versions & NL80211_WPA_VERSION_2)) { + for (i = 0; i < sme->crypto.n_ciphers_pairwise; i++) { + u32 ciphers_pairwise = sme->crypto.ciphers_pairwise[i]; + + if (ciphers_pairwise == WLAN_CIPHER_SUITE_TKIP) + security |= WILC_FW_TKIP; + else + security |= WILC_FW_AES; + } + } + + switch (sme->auth_type) { + case NL80211_AUTHTYPE_OPEN_SYSTEM: + auth_type = WILC_FW_AUTH_OPEN_SYSTEM; + break; + + case NL80211_AUTHTYPE_SHARED_KEY: + auth_type = WILC_FW_AUTH_SHARED_KEY; + break; + + default: + break; + } + + if (sme->crypto.n_akm_suites) { + if (sme->crypto.akm_suites[0] == WLAN_AKM_SUITE_8021X) + auth_type = WILC_FW_AUTH_IEEE8021; + } + + if (wfi_drv->usr_scan_req.scan_result) { + netdev_err(vif->ndev, "%s: Scan in progress\n", __func__); + ret = -EBUSY; + goto out_error; + } + + bss = cfg80211_get_bss(wiphy, sme->channel, sme->bssid, sme->ssid, + sme->ssid_len, IEEE80211_BSS_TYPE_ANY, + IEEE80211_PRIVACY(sme->privacy)); + if (!bss) { + ret = -EINVAL; + goto out_error; + } + + if (ether_addr_equal_unaligned(vif->bssid, bss->bssid)) { + ret = -EALREADY; + goto out_put_bss; + } + + join_params = wilc_parse_join_bss_param(bss, &sme->crypto); + if (!join_params) { + netdev_err(dev, "%s: failed to construct join param\n", + __func__); + ret = -EINVAL; + goto out_put_bss; + } + + ch = ieee80211_frequency_to_channel(bss->channel->center_freq); + vif->wilc->op_ch = ch; + if (vif->iftype != WILC_CLIENT_MODE) + vif->wilc->sta_ch = ch; + + wilc_wlan_set_bssid(dev, bss->bssid, WILC_STATION_MODE); + + wfi_drv->conn_info.security = security; + wfi_drv->conn_info.auth_type = auth_type; + wfi_drv->conn_info.ch = ch; + wfi_drv->conn_info.conn_result = cfg_connect_result; + wfi_drv->conn_info.arg = priv; + wfi_drv->conn_info.param = join_params; + + ret = wilc_set_join_req(vif, bss->bssid, sme->ie, sme->ie_len); + if (ret) { + netdev_err(dev, "wilc_set_join_req(): Error\n"); + ret = -ENOENT; + if (vif->iftype != WILC_CLIENT_MODE) + vif->wilc->sta_ch = WILC_INVALID_CHANNEL; + wilc_wlan_set_bssid(dev, NULL, WILC_STATION_MODE); + wfi_drv->conn_info.conn_result = NULL; + kfree(join_params); + goto out_put_bss; + } + kfree(join_params); + vif->bss = bss; + cfg80211_put_bss(wiphy, bss); + return 0; + +out_put_bss: + cfg80211_put_bss(wiphy, bss); + +out_error: + vif->connecting = false; + return ret; +} + +static int disconnect(struct wiphy *wiphy, struct net_device *dev, + u16 reason_code) +{ + struct wilc_vif *vif = netdev_priv(dev); + struct wilc_priv *priv = &vif->priv; + struct wilc *wilc = vif->wilc; + int ret; + + vif->connecting = false; + + if (!wilc) + return -EIO; + + if (wilc->close) { + /* already disconnected done */ + cfg80211_disconnected(dev, 0, NULL, 0, true, GFP_KERNEL); + return 0; + } + + if (vif->iftype != WILC_CLIENT_MODE) + wilc->sta_ch = WILC_INVALID_CHANNEL; + wilc_wlan_set_bssid(priv->dev, NULL, WILC_STATION_MODE); + + priv->hif_drv->p2p_timeout = 0; + + ret = wilc_disconnect(vif); + if (ret != 0) { + netdev_err(priv->dev, "Error in disconnecting\n"); + ret = -EINVAL; + } + + vif->bss = NULL; + + return ret; +} + +static inline void wilc_wfi_cfg_copy_wep_info(struct wilc_priv *priv, + u8 key_index, + struct key_params *params) +{ + priv->wep_key_len[key_index] = params->key_len; + memcpy(priv->wep_key[key_index], params->key, params->key_len); +} + +static int wilc_wfi_cfg_allocate_wpa_entry(struct wilc_priv *priv, u8 idx) +{ + if (!priv->wilc_gtk[idx]) { + priv->wilc_gtk[idx] = kzalloc(sizeof(*priv->wilc_gtk[idx]), + GFP_KERNEL); + if (!priv->wilc_gtk[idx]) + return -ENOMEM; + } + + if (!priv->wilc_ptk[idx]) { + priv->wilc_ptk[idx] = kzalloc(sizeof(*priv->wilc_ptk[idx]), + GFP_KERNEL); + if (!priv->wilc_ptk[idx]) + return -ENOMEM; + } + + return 0; +} + +static int wilc_wfi_cfg_copy_wpa_info(struct wilc_wfi_key *key_info, + struct key_params *params) +{ + kfree(key_info->key); + + key_info->key = kmemdup(params->key, params->key_len, GFP_KERNEL); + if (!key_info->key) + return -ENOMEM; + + kfree(key_info->seq); + + if (params->seq_len > 0) { + key_info->seq = kmemdup(params->seq, params->seq_len, + GFP_KERNEL); + if (!key_info->seq) + return -ENOMEM; + } + + key_info->cipher = params->cipher; + key_info->key_len = params->key_len; + key_info->seq_len = params->seq_len; + + return 0; +} + +static int add_key(struct wiphy *wiphy, struct net_device *netdev, u8 key_index, + bool pairwise, const u8 *mac_addr, struct key_params *params) + +{ + int ret = 0, keylen = params->key_len; + const u8 *rx_mic = NULL; + const u8 *tx_mic = NULL; + u8 mode = WILC_FW_SEC_NO; + u8 op_mode; + struct wilc_vif *vif = netdev_priv(netdev); + struct wilc_priv *priv = &vif->priv; + + switch (params->cipher) { + case WLAN_CIPHER_SUITE_WEP40: + case WLAN_CIPHER_SUITE_WEP104: + if (priv->wdev.iftype == NL80211_IFTYPE_AP) { + wilc_wfi_cfg_copy_wep_info(priv, key_index, params); + + if (params->cipher == WLAN_CIPHER_SUITE_WEP40) + mode = WILC_FW_SEC_WEP; + else + mode = WILC_FW_SEC_WEP_EXTENDED; + + ret = wilc_add_wep_key_bss_ap(vif, params->key, + params->key_len, + key_index, mode, + WILC_FW_AUTH_OPEN_SYSTEM); + break; + } + if (memcmp(params->key, priv->wep_key[key_index], + params->key_len)) { + wilc_wfi_cfg_copy_wep_info(priv, key_index, params); + + ret = wilc_add_wep_key_bss_sta(vif, params->key, + params->key_len, + key_index); + } + + break; + + case WLAN_CIPHER_SUITE_TKIP: + case WLAN_CIPHER_SUITE_CCMP: + if (priv->wdev.iftype == NL80211_IFTYPE_AP || + priv->wdev.iftype == NL80211_IFTYPE_P2P_GO) { + struct wilc_wfi_key *key; + + ret = wilc_wfi_cfg_allocate_wpa_entry(priv, key_index); + if (ret) + return -ENOMEM; + + if (params->key_len > 16 && + params->cipher == WLAN_CIPHER_SUITE_TKIP) { + tx_mic = params->key + 24; + rx_mic = params->key + 16; + keylen = params->key_len - 16; + } + + if (!pairwise) { + if (params->cipher == WLAN_CIPHER_SUITE_TKIP) + mode = WILC_FW_SEC_WPA_TKIP; + else + mode = WILC_FW_SEC_WPA2_AES; + + priv->wilc_groupkey = mode; + + key = priv->wilc_gtk[key_index]; + } else { + if (params->cipher == WLAN_CIPHER_SUITE_TKIP) + mode = WILC_FW_SEC_WPA_TKIP; + else + mode = priv->wilc_groupkey | WILC_FW_AES; + + key = priv->wilc_ptk[key_index]; + } + ret = wilc_wfi_cfg_copy_wpa_info(key, params); + if (ret) + return -ENOMEM; + + op_mode = WILC_AP_MODE; + } else { + if (params->key_len > 16 && + params->cipher == WLAN_CIPHER_SUITE_TKIP) { + rx_mic = params->key + 24; + tx_mic = params->key + 16; + keylen = params->key_len - 16; + } + + op_mode = WILC_STATION_MODE; + } + + if (!pairwise) + ret = wilc_add_rx_gtk(vif, params->key, keylen, + key_index, params->seq_len, + params->seq, rx_mic, tx_mic, + op_mode, mode); + else + ret = wilc_add_ptk(vif, params->key, keylen, mac_addr, + rx_mic, tx_mic, op_mode, mode, + key_index); + + break; + + default: + netdev_err(netdev, "%s: Unsupported cipher\n", __func__); + ret = -ENOTSUPP; + } + + return ret; +} + +static int del_key(struct wiphy *wiphy, struct net_device *netdev, + u8 key_index, + bool pairwise, + const u8 *mac_addr) +{ + struct wilc_vif *vif = netdev_priv(netdev); + struct wilc_priv *priv = &vif->priv; + + if (priv->wilc_gtk[key_index]) { + kfree(priv->wilc_gtk[key_index]->key); + priv->wilc_gtk[key_index]->key = NULL; + kfree(priv->wilc_gtk[key_index]->seq); + priv->wilc_gtk[key_index]->seq = NULL; + + kfree(priv->wilc_gtk[key_index]); + priv->wilc_gtk[key_index] = NULL; + } + + if (priv->wilc_ptk[key_index]) { + kfree(priv->wilc_ptk[key_index]->key); + priv->wilc_ptk[key_index]->key = NULL; + kfree(priv->wilc_ptk[key_index]->seq); + priv->wilc_ptk[key_index]->seq = NULL; + kfree(priv->wilc_ptk[key_index]); + priv->wilc_ptk[key_index] = NULL; + } + + if (key_index <= 3 && priv->wep_key_len[key_index]) { + memset(priv->wep_key[key_index], 0, + priv->wep_key_len[key_index]); + priv->wep_key_len[key_index] = 0; + wilc_remove_wep_key(vif, key_index); + } + + return 0; +} + +static int get_key(struct wiphy *wiphy, struct net_device *netdev, u8 key_index, + bool pairwise, const u8 *mac_addr, void *cookie, + void (*callback)(void *cookie, struct key_params *)) +{ + struct wilc_vif *vif = netdev_priv(netdev); + struct wilc_priv *priv = &vif->priv; + struct key_params key_params; + + if (!pairwise) { + key_params.key = priv->wilc_gtk[key_index]->key; + key_params.cipher = priv->wilc_gtk[key_index]->cipher; + key_params.key_len = priv->wilc_gtk[key_index]->key_len; + key_params.seq = priv->wilc_gtk[key_index]->seq; + key_params.seq_len = priv->wilc_gtk[key_index]->seq_len; + } else { + key_params.key = priv->wilc_ptk[key_index]->key; + key_params.cipher = priv->wilc_ptk[key_index]->cipher; + key_params.key_len = priv->wilc_ptk[key_index]->key_len; + key_params.seq = priv->wilc_ptk[key_index]->seq; + key_params.seq_len = priv->wilc_ptk[key_index]->seq_len; + } + + callback(cookie, &key_params); + + return 0; +} + +static int set_default_key(struct wiphy *wiphy, struct net_device *netdev, + u8 key_index, bool unicast, bool multicast) +{ + struct wilc_vif *vif = netdev_priv(netdev); + + wilc_set_wep_default_keyid(vif, key_index); + + return 0; +} + +static int get_station(struct wiphy *wiphy, struct net_device *dev, + const u8 *mac, struct station_info *sinfo) +{ + struct wilc_vif *vif = netdev_priv(dev); + struct wilc_priv *priv = &vif->priv; + u32 i = 0; + u32 associatedsta = ~0; + u32 inactive_time = 0; + + if (vif->iftype == WILC_AP_MODE || vif->iftype == WILC_GO_MODE) { + for (i = 0; i < NUM_STA_ASSOCIATED; i++) { + if (!(memcmp(mac, + priv->assoc_stainfo.sta_associated_bss[i], + ETH_ALEN))) { + associatedsta = i; + break; + } + } + + if (associatedsta == ~0) { + netdev_err(dev, "sta required is not associated\n"); + return -ENOENT; + } + + sinfo->filled |= BIT_ULL(NL80211_STA_INFO_INACTIVE_TIME); + + wilc_get_inactive_time(vif, mac, &inactive_time); + sinfo->inactive_time = 1000 * inactive_time; + } else if (vif->iftype == WILC_STATION_MODE) { + struct rf_info stats; + + wilc_get_statistics(vif, &stats); + + sinfo->filled |= BIT_ULL(NL80211_STA_INFO_SIGNAL) | + BIT_ULL(NL80211_STA_INFO_RX_PACKETS) | + BIT_ULL(NL80211_STA_INFO_TX_PACKETS) | + BIT_ULL(NL80211_STA_INFO_TX_FAILED) | + BIT_ULL(NL80211_STA_INFO_TX_BITRATE); + + sinfo->signal = stats.rssi; + sinfo->rx_packets = stats.rx_cnt; + sinfo->tx_packets = stats.tx_cnt + stats.tx_fail_cnt; + sinfo->tx_failed = stats.tx_fail_cnt; + sinfo->txrate.legacy = stats.link_speed * 10; + + if (stats.link_speed > TCP_ACK_FILTER_LINK_SPEED_THRESH && + stats.link_speed != DEFAULT_LINK_SPEED) + wilc_enable_tcp_ack_filter(vif, true); + else if (stats.link_speed != DEFAULT_LINK_SPEED) + wilc_enable_tcp_ack_filter(vif, false); + } + return 0; +} + +static int change_bss(struct wiphy *wiphy, struct net_device *dev, + struct bss_parameters *params) +{ + return 0; +} + +static int set_wiphy_params(struct wiphy *wiphy, u32 changed) +{ + int ret = -EINVAL; + struct cfg_param_attr cfg_param_val; + struct wilc *wl = wiphy_priv(wiphy); + struct wilc_vif *vif; + struct wilc_priv *priv; + int srcu_idx; + + srcu_idx = srcu_read_lock(&wl->srcu); + vif = wilc_get_wl_to_vif(wl); + if (IS_ERR(vif)) + goto out; + + priv = &vif->priv; + cfg_param_val.flag = 0; + + if (changed & WIPHY_PARAM_RETRY_SHORT) { + netdev_dbg(vif->ndev, + "Setting WIPHY_PARAM_RETRY_SHORT %d\n", + wiphy->retry_short); + cfg_param_val.flag |= WILC_CFG_PARAM_RETRY_SHORT; + cfg_param_val.short_retry_limit = wiphy->retry_short; + } + if (changed & WIPHY_PARAM_RETRY_LONG) { + netdev_dbg(vif->ndev, + "Setting WIPHY_PARAM_RETRY_LONG %d\n", + wiphy->retry_long); + cfg_param_val.flag |= WILC_CFG_PARAM_RETRY_LONG; + cfg_param_val.long_retry_limit = wiphy->retry_long; + } + if (changed & WIPHY_PARAM_FRAG_THRESHOLD) { + if (wiphy->frag_threshold > 255 && + wiphy->frag_threshold < 7937) { + netdev_dbg(vif->ndev, + "Setting WIPHY_PARAM_FRAG_THRESHOLD %d\n", + wiphy->frag_threshold); + cfg_param_val.flag |= WILC_CFG_PARAM_FRAG_THRESHOLD; + cfg_param_val.frag_threshold = wiphy->frag_threshold; + } else { + netdev_err(vif->ndev, + "Fragmentation threshold out of range\n"); + goto out; + } + } + + if (changed & WIPHY_PARAM_RTS_THRESHOLD) { + if (wiphy->rts_threshold > 255) { + netdev_dbg(vif->ndev, + "Setting WIPHY_PARAM_RTS_THRESHOLD %d\n", + wiphy->rts_threshold); + cfg_param_val.flag |= WILC_CFG_PARAM_RTS_THRESHOLD; + cfg_param_val.rts_threshold = wiphy->rts_threshold; + } else { + netdev_err(vif->ndev, "RTS threshold out of range\n"); + goto out; + } + } + + ret = wilc_hif_set_cfg(vif, &cfg_param_val); + if (ret) + netdev_err(priv->dev, "Error in setting WIPHY PARAMS\n"); + +out: + srcu_read_unlock(&wl->srcu, srcu_idx); + return ret; +} + +static int set_pmksa(struct wiphy *wiphy, struct net_device *netdev, + struct cfg80211_pmksa *pmksa) +{ + struct wilc_vif *vif = netdev_priv(netdev); + struct wilc_priv *priv = &vif->priv; + u32 i; + int ret = 0; + u8 flag = 0; + + for (i = 0; i < priv->pmkid_list.numpmkid; i++) { + if (!memcmp(pmksa->bssid, priv->pmkid_list.pmkidlist[i].bssid, + ETH_ALEN)) { + flag = PMKID_FOUND; + break; + } + } + if (i < WILC_MAX_NUM_PMKIDS) { + memcpy(priv->pmkid_list.pmkidlist[i].bssid, pmksa->bssid, + ETH_ALEN); + memcpy(priv->pmkid_list.pmkidlist[i].pmkid, pmksa->pmkid, + WLAN_PMKID_LEN); + if (!(flag == PMKID_FOUND)) + priv->pmkid_list.numpmkid++; + } else { + netdev_err(netdev, "Invalid PMKID index\n"); + ret = -EINVAL; + } + + if (!ret) + ret = wilc_set_pmkid_info(vif, &priv->pmkid_list); + + return ret; +} + +static int del_pmksa(struct wiphy *wiphy, struct net_device *netdev, + struct cfg80211_pmksa *pmksa) +{ + u32 i; + struct wilc_vif *vif = netdev_priv(netdev); + struct wilc_priv *priv = &vif->priv; + + for (i = 0; i < priv->pmkid_list.numpmkid; i++) { + if (!memcmp(pmksa->bssid, priv->pmkid_list.pmkidlist[i].bssid, + ETH_ALEN)) { + memset(&priv->pmkid_list.pmkidlist[i], 0, + sizeof(struct wilc_pmkid)); + break; + } + } + + if (i == priv->pmkid_list.numpmkid) + return -EINVAL; + + for (; i < (priv->pmkid_list.numpmkid - 1); i++) { + memcpy(priv->pmkid_list.pmkidlist[i].bssid, + priv->pmkid_list.pmkidlist[i + 1].bssid, + ETH_ALEN); + memcpy(priv->pmkid_list.pmkidlist[i].pmkid, + priv->pmkid_list.pmkidlist[i + 1].pmkid, + WLAN_PMKID_LEN); + } + priv->pmkid_list.numpmkid--; + + return 0; +} + +static int flush_pmksa(struct wiphy *wiphy, struct net_device *netdev) +{ + struct wilc_vif *vif = netdev_priv(netdev); + + memset(&vif->priv.pmkid_list, 0, sizeof(struct wilc_pmkid_attr)); + + return 0; +} + +static inline void wilc_wfi_cfg_parse_ch_attr(u8 *buf, u32 len, u8 sta_ch) +{ + struct wilc_attr_entry *e; + struct wilc_attr_ch_list *ch_list; + struct wilc_attr_oper_ch *op_ch; + u32 index = 0; + u8 ch_list_idx = 0; + u8 op_ch_idx = 0; + + if (sta_ch == WILC_INVALID_CHANNEL) + return; + + while (index + sizeof(*e) <= len) { + e = (struct wilc_attr_entry *)&buf[index]; + if (e->attr_type == IEEE80211_P2P_ATTR_CHANNEL_LIST) + ch_list_idx = index; + else if (e->attr_type == IEEE80211_P2P_ATTR_OPER_CHANNEL) + op_ch_idx = index; + if (ch_list_idx && op_ch_idx) + break; + index += le16_to_cpu(e->attr_len) + sizeof(*e); + } + + if (ch_list_idx) { + u16 attr_size; + struct wilc_ch_list_elem *e; + int i; + + ch_list = (struct wilc_attr_ch_list *)&buf[ch_list_idx]; + attr_size = le16_to_cpu(ch_list->attr_len); + for (i = 0; i < attr_size;) { + e = (struct wilc_ch_list_elem *)(ch_list->elem + i); + if (e->op_class == WILC_WLAN_OPERATING_CLASS_2_4GHZ) { + memset(e->ch_list, sta_ch, e->no_of_channels); + break; + } + i += e->no_of_channels; + } + } + + if (op_ch_idx) { + op_ch = (struct wilc_attr_oper_ch *)&buf[op_ch_idx]; + op_ch->op_class = WILC_WLAN_OPERATING_CLASS_2_4GHZ; + op_ch->op_channel = sta_ch; + } +} + +void wilc_wfi_p2p_rx(struct wilc_vif *vif, u8 *buff, u32 size) +{ + struct wilc *wl = vif->wilc; + struct wilc_priv *priv = &vif->priv; + struct host_if_drv *wfi_drv = priv->hif_drv; + struct ieee80211_mgmt *mgmt; + struct wilc_vendor_specific_ie *p; + struct wilc_p2p_pub_act_frame *d; + int ie_offset = offsetof(struct ieee80211_mgmt, u) + sizeof(*d); + const u8 *vendor_ie; + u32 header, pkt_offset; + s32 freq; + + header = get_unaligned_le32(buff - HOST_HDR_OFFSET); + pkt_offset = FIELD_GET(WILC_PKT_HDR_OFFSET_FIELD, header); + + if (pkt_offset & IS_MANAGMEMENT_CALLBACK) { + bool ack = false; + struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)buff; + + if (ieee80211_is_probe_resp(hdr->frame_control) || + pkt_offset & IS_MGMT_STATUS_SUCCES) + ack = true; + + cfg80211_mgmt_tx_status(&priv->wdev, priv->tx_cookie, buff, + size, ack, GFP_KERNEL); + return; + } + + freq = ieee80211_channel_to_frequency(wl->op_ch, NL80211_BAND_2GHZ); + + mgmt = (struct ieee80211_mgmt *)buff; + if (!ieee80211_is_action(mgmt->frame_control)) + goto out_rx_mgmt; + + if (priv->cfg_scanning && + time_after_eq(jiffies, (unsigned long)wfi_drv->p2p_timeout)) { + netdev_dbg(vif->ndev, "Receiving action wrong ch\n"); + return; + } + + if (!ieee80211_is_public_action((struct ieee80211_hdr *)buff, size)) + goto out_rx_mgmt; + + d = (struct wilc_p2p_pub_act_frame *)(&mgmt->u.action); + if (d->oui_subtype != GO_NEG_REQ && d->oui_subtype != GO_NEG_RSP && + d->oui_subtype != P2P_INV_REQ && d->oui_subtype != P2P_INV_RSP) + goto out_rx_mgmt; + + vendor_ie = cfg80211_find_vendor_ie(WLAN_OUI_WFA, WLAN_OUI_TYPE_WFA_P2P, + buff + ie_offset, size - ie_offset); + if (!vendor_ie) + goto out_rx_mgmt; + + p = (struct wilc_vendor_specific_ie *)vendor_ie; + wilc_wfi_cfg_parse_ch_attr(p->attr, p->tag_len - 4, vif->wilc->sta_ch); + +out_rx_mgmt: + cfg80211_rx_mgmt(&priv->wdev, freq, 0, buff, size, 0); +} + +static void wilc_wfi_mgmt_tx_complete(void *priv, int status) +{ + struct wilc_p2p_mgmt_data *pv_data = priv; + + kfree(pv_data->buff); + kfree(pv_data); +} + +static void wilc_wfi_remain_on_channel_expired(void *data, u64 cookie) +{ + struct wilc_vif *vif = data; + struct wilc_priv *priv = &vif->priv; + struct wilc_wfi_p2p_listen_params *params = &priv->remain_on_ch_params; + + if (cookie != params->listen_cookie) + return; + + priv->p2p_listen_state = false; + + cfg80211_remain_on_channel_expired(&priv->wdev, params->listen_cookie, + params->listen_ch, GFP_KERNEL); +} + +static int remain_on_channel(struct wiphy *wiphy, + struct wireless_dev *wdev, + struct ieee80211_channel *chan, + unsigned int duration, u64 *cookie) +{ + int ret = 0; + struct wilc_vif *vif = netdev_priv(wdev->netdev); + struct wilc_priv *priv = &vif->priv; + u64 id; + + if (wdev->iftype == NL80211_IFTYPE_AP) { + netdev_dbg(vif->ndev, "Required while in AP mode\n"); + return ret; + } + + id = ++priv->inc_roc_cookie; + if (id == 0) + id = ++priv->inc_roc_cookie; + + ret = wilc_remain_on_channel(vif, id, duration, chan->hw_value, + wilc_wfi_remain_on_channel_expired, + (void *)vif); + if (ret) + return ret; + + vif->wilc->op_ch = chan->hw_value; + + priv->remain_on_ch_params.listen_ch = chan; + priv->remain_on_ch_params.listen_cookie = id; + *cookie = id; + priv->p2p_listen_state = true; + priv->remain_on_ch_params.listen_duration = duration; + + cfg80211_ready_on_channel(wdev, *cookie, chan, duration, GFP_KERNEL); + mod_timer(&vif->hif_drv->remain_on_ch_timer, + jiffies + msecs_to_jiffies(duration + 1000)); + + return ret; +} + +static int cancel_remain_on_channel(struct wiphy *wiphy, + struct wireless_dev *wdev, + u64 cookie) +{ + struct wilc_vif *vif = netdev_priv(wdev->netdev); + struct wilc_priv *priv = &vif->priv; + + if (cookie != priv->remain_on_ch_params.listen_cookie) + return -ENOENT; + + return wilc_listen_state_expired(vif, cookie); +} + +static int mgmt_tx(struct wiphy *wiphy, + struct wireless_dev *wdev, + struct cfg80211_mgmt_tx_params *params, + u64 *cookie) +{ + struct ieee80211_channel *chan = params->chan; + unsigned int wait = params->wait; + const u8 *buf = params->buf; + size_t len = params->len; + const struct ieee80211_mgmt *mgmt; + struct wilc_p2p_mgmt_data *mgmt_tx; + struct wilc_vif *vif = netdev_priv(wdev->netdev); + struct wilc_priv *priv = &vif->priv; + struct host_if_drv *wfi_drv = priv->hif_drv; + struct wilc_vendor_specific_ie *p; + struct wilc_p2p_pub_act_frame *d; + int ie_offset = offsetof(struct ieee80211_mgmt, u) + sizeof(*d); + const u8 *vendor_ie; + int ret = 0; + + *cookie = prandom_u32(); + priv->tx_cookie = *cookie; + mgmt = (const struct ieee80211_mgmt *)buf; + + if (!ieee80211_is_mgmt(mgmt->frame_control)) + goto out; + + mgmt_tx = kmalloc(sizeof(*mgmt_tx), GFP_KERNEL); + if (!mgmt_tx) { + ret = -ENOMEM; + goto out; + } + + mgmt_tx->buff = kmalloc(len, GFP_KERNEL); + if (!mgmt_tx->buff) { + ret = -ENOMEM; + kfree(mgmt_tx); + goto out; + } + + memcpy(mgmt_tx->buff, buf, len); + mgmt_tx->size = len; + + if (ieee80211_is_probe_resp(mgmt->frame_control)) { + wilc_set_mac_chnl_num(vif, chan->hw_value); + vif->wilc->op_ch = chan->hw_value; + goto out_txq_add_pkt; + } + + if (!ieee80211_is_public_action((struct ieee80211_hdr *)buf, len)) + goto out_set_timeout; + + d = (struct wilc_p2p_pub_act_frame *)(&mgmt->u.action); + if (d->oui_type != WLAN_OUI_TYPE_WFA_P2P || + d->oui_subtype != GO_NEG_CONF) { + wilc_set_mac_chnl_num(vif, chan->hw_value); + vif->wilc->op_ch = chan->hw_value; + } + + if (d->oui_subtype != P2P_INV_REQ && d->oui_subtype != P2P_INV_RSP) + goto out_set_timeout; + + vendor_ie = cfg80211_find_vendor_ie(WLAN_OUI_WFA, WLAN_OUI_TYPE_WFA_P2P, + mgmt_tx->buff + ie_offset, + len - ie_offset); + if (!vendor_ie) + goto out_set_timeout; + + p = (struct wilc_vendor_specific_ie *)vendor_ie; + wilc_wfi_cfg_parse_ch_attr(p->attr, p->tag_len - 4, vif->wilc->sta_ch); + +out_set_timeout: + wfi_drv->p2p_timeout = (jiffies + msecs_to_jiffies(wait)); + +out_txq_add_pkt: + + wilc_wlan_txq_add_mgmt_pkt(wdev->netdev, mgmt_tx, + mgmt_tx->buff, mgmt_tx->size, + wilc_wfi_mgmt_tx_complete); + +out: + + return ret; +} + +static int mgmt_tx_cancel_wait(struct wiphy *wiphy, + struct wireless_dev *wdev, + u64 cookie) +{ + struct wilc_vif *vif = netdev_priv(wdev->netdev); + struct wilc_priv *priv = &vif->priv; + struct host_if_drv *wfi_drv = priv->hif_drv; + + wfi_drv->p2p_timeout = jiffies; + + if (!priv->p2p_listen_state) { + struct wilc_wfi_p2p_listen_params *params; + + params = &priv->remain_on_ch_params; + + cfg80211_remain_on_channel_expired(wdev, + params->listen_cookie, + params->listen_ch, + GFP_KERNEL); + } + + return 0; +} + +void wilc_mgmt_frame_register(struct wiphy *wiphy, struct wireless_dev *wdev, + u16 frame_type, bool reg) +{ + struct wilc *wl = wiphy_priv(wiphy); + struct wilc_vif *vif = netdev_priv(wdev->netdev); + + if (!frame_type) + return; + + switch (frame_type) { + case IEEE80211_STYPE_PROBE_REQ: + vif->frame_reg[0].type = frame_type; + vif->frame_reg[0].reg = reg; + break; + + case IEEE80211_STYPE_ACTION: + vif->frame_reg[1].type = frame_type; + vif->frame_reg[1].reg = reg; + break; + + default: + break; + } + + if (!wl->initialized) + return; + wilc_frame_register(vif, frame_type, reg); +} + +static int set_cqm_rssi_config(struct wiphy *wiphy, struct net_device *dev, + s32 rssi_thold, u32 rssi_hyst) +{ + return 0; +} + +static int dump_station(struct wiphy *wiphy, struct net_device *dev, + int idx, u8 *mac, struct station_info *sinfo) +{ + struct wilc_vif *vif = netdev_priv(dev); + int ret; + + if (idx != 0) + return -ENOENT; + + sinfo->filled |= BIT_ULL(NL80211_STA_INFO_SIGNAL); + + ret = wilc_get_rssi(vif, &sinfo->signal); + if (ret) + return ret; + + memcpy(mac, vif->priv.associated_bss, ETH_ALEN); + return 0; +} + +static int set_power_mgmt(struct wiphy *wiphy, struct net_device *dev, + bool enabled, int timeout) +{ + struct wilc_vif *vif = netdev_priv(dev); + struct wilc_priv *priv = &vif->priv; + + if (!priv->hif_drv) + return -EIO; + + wilc_set_power_mgmt(vif, enabled, timeout); + + return 0; +} + +static int change_virtual_intf(struct wiphy *wiphy, struct net_device *dev, + enum nl80211_iftype type, + struct vif_params *params) +{ + struct wilc *wl = wiphy_priv(wiphy); + struct wilc_vif *vif = netdev_priv(dev); + struct wilc_priv *priv = &vif->priv; + + switch (type) { + case NL80211_IFTYPE_STATION: + vif->connecting = false; + dev->ieee80211_ptr->iftype = type; + priv->wdev.iftype = type; + vif->monitor_flag = 0; + if (vif->iftype == WILC_AP_MODE || vif->iftype == WILC_GO_MODE) + wilc_wfi_deinit_mon_interface(wl, true); + vif->iftype = WILC_STATION_MODE; + + if (wl->initialized) + wilc_set_operation_mode(vif, wilc_get_vif_idx(vif), + WILC_STATION_MODE, vif->idx); + + memset(priv->assoc_stainfo.sta_associated_bss, 0, + WILC_MAX_NUM_STA * ETH_ALEN); + break; + + case NL80211_IFTYPE_P2P_CLIENT: + vif->connecting = false; + dev->ieee80211_ptr->iftype = type; + priv->wdev.iftype = type; + vif->monitor_flag = 0; + vif->iftype = WILC_CLIENT_MODE; + + if (wl->initialized) + wilc_set_operation_mode(vif, wilc_get_vif_idx(vif), + WILC_STATION_MODE, vif->idx); + break; + + case NL80211_IFTYPE_AP: + dev->ieee80211_ptr->iftype = type; + priv->wdev.iftype = type; + vif->iftype = WILC_AP_MODE; + + if (wl->initialized) + wilc_set_operation_mode(vif, wilc_get_vif_idx(vif), + WILC_AP_MODE, vif->idx); + break; + + case NL80211_IFTYPE_P2P_GO: + dev->ieee80211_ptr->iftype = type; + priv->wdev.iftype = type; + vif->iftype = WILC_GO_MODE; + + if (wl->initialized) + wilc_set_operation_mode(vif, wilc_get_vif_idx(vif), + WILC_AP_MODE, vif->idx); + break; + + default: + netdev_err(dev, "Unknown interface type= %d\n", type); + return -EINVAL; + } + + return 0; +} + +static int start_ap(struct wiphy *wiphy, struct net_device *dev, + struct cfg80211_ap_settings *settings) +{ + struct wilc_vif *vif = netdev_priv(dev); + int ret; + + ret = set_channel(wiphy, &settings->chandef); + if (ret != 0) + netdev_err(dev, "Error in setting channel\n"); + + wilc_wlan_set_bssid(dev, dev->dev_addr, WILC_AP_MODE); + + return wilc_add_beacon(vif, settings->beacon_interval, + settings->dtim_period, &settings->beacon); +} + +static int change_beacon(struct wiphy *wiphy, struct net_device *dev, + struct cfg80211_beacon_data *beacon) +{ + struct wilc_vif *vif = netdev_priv(dev); + + return wilc_add_beacon(vif, 0, 0, beacon); +} + +static int stop_ap(struct wiphy *wiphy, struct net_device *dev) +{ + int ret; + struct wilc_vif *vif = netdev_priv(dev); + + wilc_wlan_set_bssid(dev, NULL, WILC_AP_MODE); + + ret = wilc_del_beacon(vif); + + if (ret) + netdev_err(dev, "Host delete beacon fail\n"); + + return ret; +} + +static int add_station(struct wiphy *wiphy, struct net_device *dev, + const u8 *mac, struct station_parameters *params) +{ + int ret = 0; + struct wilc_vif *vif = netdev_priv(dev); + struct wilc_priv *priv = &vif->priv; + + if (vif->iftype == WILC_AP_MODE || vif->iftype == WILC_GO_MODE) { + memcpy(priv->assoc_stainfo.sta_associated_bss[params->aid], mac, + ETH_ALEN); + + ret = wilc_add_station(vif, mac, params); + if (ret) + netdev_err(dev, "Host add station fail\n"); + } + + return ret; +} + +static int del_station(struct wiphy *wiphy, struct net_device *dev, + struct station_del_parameters *params) +{ + const u8 *mac = params->mac; + int ret = 0; + struct wilc_vif *vif = netdev_priv(dev); + struct wilc_priv *priv = &vif->priv; + struct sta_info *info; + + if (!(vif->iftype == WILC_AP_MODE || vif->iftype == WILC_GO_MODE)) + return ret; + + info = &priv->assoc_stainfo; + + if (!mac) + ret = wilc_del_allstation(vif, info->sta_associated_bss); + + ret = wilc_del_station(vif, mac); + if (ret) + netdev_err(dev, "Host delete station fail\n"); + return ret; +} + +static int change_station(struct wiphy *wiphy, struct net_device *dev, + const u8 *mac, struct station_parameters *params) +{ + int ret = 0; + struct wilc_vif *vif = netdev_priv(dev); + + if (vif->iftype == WILC_AP_MODE || vif->iftype == WILC_GO_MODE) { + ret = wilc_edit_station(vif, mac, params); + if (ret) + netdev_err(dev, "Host edit station fail\n"); + } + return ret; +} + +static struct wilc_vif *wilc_get_vif_from_type(struct wilc *wl, int type) +{ + struct wilc_vif *vif; + + list_for_each_entry_rcu(vif, &wl->vif_list, list) { + if (vif->iftype == type) + return vif; + } + + return NULL; +} + +static struct wireless_dev *add_virtual_intf(struct wiphy *wiphy, + const char *name, + unsigned char name_assign_type, + enum nl80211_iftype type, + struct vif_params *params) +{ + struct wilc *wl = wiphy_priv(wiphy); + struct wilc_vif *vif; + struct wireless_dev *wdev; + int iftype; + + if (type == NL80211_IFTYPE_MONITOR) { + struct net_device *ndev; + int srcu_idx; + + srcu_idx = srcu_read_lock(&wl->srcu); + vif = wilc_get_vif_from_type(wl, WILC_AP_MODE); + if (!vif) { + vif = wilc_get_vif_from_type(wl, WILC_GO_MODE); + if (!vif) { + srcu_read_unlock(&wl->srcu, srcu_idx); + goto validate_interface; + } + } + + if (vif->monitor_flag) { + srcu_read_unlock(&wl->srcu, srcu_idx); + goto validate_interface; + } + + ndev = wilc_wfi_init_mon_interface(wl, name, vif->ndev); + if (ndev) { + vif->monitor_flag = 1; + } else { + srcu_read_unlock(&wl->srcu, srcu_idx); + return ERR_PTR(-EINVAL); + } + + wdev = &vif->priv.wdev; + srcu_read_unlock(&wl->srcu, srcu_idx); + return wdev; + } + +validate_interface: + mutex_lock(&wl->vif_mutex); + if (wl->vif_num == WILC_NUM_CONCURRENT_IFC) { + pr_err("Reached maximum number of interface\n"); + mutex_unlock(&wl->vif_mutex); + return ERR_PTR(-EINVAL); + } + mutex_unlock(&wl->vif_mutex); + + switch (type) { + case NL80211_IFTYPE_STATION: + iftype = WILC_STATION_MODE; + break; + case NL80211_IFTYPE_AP: + iftype = WILC_AP_MODE; + break; + default: + return ERR_PTR(-EOPNOTSUPP); + } + + vif = wilc_netdev_ifc_init(wl, name, iftype, type, true); + if (IS_ERR(vif)) + return ERR_CAST(vif); + + return &vif->priv.wdev; +} + +static int del_virtual_intf(struct wiphy *wiphy, struct wireless_dev *wdev) +{ + struct wilc *wl = wiphy_priv(wiphy); + struct wilc_vif *vif; + + if (wdev->iftype == NL80211_IFTYPE_AP || + wdev->iftype == NL80211_IFTYPE_P2P_GO) + wilc_wfi_deinit_mon_interface(wl, true); + vif = netdev_priv(wdev->netdev); + cfg80211_stop_iface(wiphy, wdev, GFP_KERNEL); + unregister_netdevice(vif->ndev); + vif->monitor_flag = 0; + + wilc_set_operation_mode(vif, 0, 0, 0); + mutex_lock(&wl->vif_mutex); + list_del_rcu(&vif->list); + wl->vif_num--; + mutex_unlock(&wl->vif_mutex); + synchronize_srcu(&wl->srcu); + return 0; +} + +static int wilc_suspend(struct wiphy *wiphy, struct cfg80211_wowlan *wow) +{ + struct wilc *wl = wiphy_priv(wiphy); + + if (!wow && wilc_wlan_get_num_conn_ifcs(wl)) + wl->suspend_event = true; + else + wl->suspend_event = false; + + return 0; +} + +static int wilc_resume(struct wiphy *wiphy) +{ + return 0; +} + +static void wilc_set_wakeup(struct wiphy *wiphy, bool enabled) +{ + struct wilc *wl = wiphy_priv(wiphy); + struct wilc_vif *vif; + int srcu_idx; + + srcu_idx = srcu_read_lock(&wl->srcu); + vif = wilc_get_wl_to_vif(wl); + if (IS_ERR(vif)) { + srcu_read_unlock(&wl->srcu, srcu_idx); + return; + } + + netdev_info(vif->ndev, "cfg set wake up = %d\n", enabled); + srcu_read_unlock(&wl->srcu, srcu_idx); +} + +static int set_tx_power(struct wiphy *wiphy, struct wireless_dev *wdev, + enum nl80211_tx_power_setting type, int mbm) +{ + int ret; + int srcu_idx; + s32 tx_power = MBM_TO_DBM(mbm); + struct wilc *wl = wiphy_priv(wiphy); + struct wilc_vif *vif; + + if (!wl->initialized) + return -EIO; + + srcu_idx = srcu_read_lock(&wl->srcu); + vif = wilc_get_wl_to_vif(wl); + if (IS_ERR(vif)) { + srcu_read_unlock(&wl->srcu, srcu_idx); + return -EINVAL; + } + + netdev_info(vif->ndev, "Setting tx power %d\n", tx_power); + if (tx_power < 0) + tx_power = 0; + else if (tx_power > 18) + tx_power = 18; + ret = wilc_set_tx_power(vif, tx_power); + if (ret) + netdev_err(vif->ndev, "Failed to set tx power\n"); + srcu_read_unlock(&wl->srcu, srcu_idx); + + return ret; +} + +static int get_tx_power(struct wiphy *wiphy, struct wireless_dev *wdev, + int *dbm) +{ + int ret; + struct wilc_vif *vif = netdev_priv(wdev->netdev); + struct wilc *wl = vif->wilc; + + /* If firmware is not started, return. */ + if (!wl->initialized) + return -EIO; + + ret = wilc_get_tx_power(vif, (u8 *)dbm); + if (ret) + netdev_err(vif->ndev, "Failed to get tx power\n"); + + return ret; +} + +static const struct cfg80211_ops wilc_cfg80211_ops = { + .set_monitor_channel = set_channel, + .scan = scan, + .connect = connect, + .disconnect = disconnect, + .add_key = add_key, + .del_key = del_key, + .get_key = get_key, + .set_default_key = set_default_key, + .add_virtual_intf = add_virtual_intf, + .del_virtual_intf = del_virtual_intf, + .change_virtual_intf = change_virtual_intf, + + .start_ap = start_ap, + .change_beacon = change_beacon, + .stop_ap = stop_ap, + .add_station = add_station, + .del_station = del_station, + .change_station = change_station, + .get_station = get_station, + .dump_station = dump_station, + .change_bss = change_bss, + .set_wiphy_params = set_wiphy_params, + + .set_pmksa = set_pmksa, + .del_pmksa = del_pmksa, + .flush_pmksa = flush_pmksa, + .remain_on_channel = remain_on_channel, + .cancel_remain_on_channel = cancel_remain_on_channel, + .mgmt_tx_cancel_wait = mgmt_tx_cancel_wait, + .mgmt_tx = mgmt_tx, + .mgmt_frame_register = wilc_mgmt_frame_register, + .set_power_mgmt = set_power_mgmt, + .set_cqm_rssi_config = set_cqm_rssi_config, + + .suspend = wilc_suspend, + .resume = wilc_resume, + .set_wakeup = wilc_set_wakeup, + .set_tx_power = set_tx_power, + .get_tx_power = get_tx_power, + +}; + +static void wlan_init_locks(struct wilc *wl) +{ + mutex_init(&wl->hif_cs); + mutex_init(&wl->rxq_cs); + mutex_init(&wl->cfg_cmd_lock); + mutex_init(&wl->vif_mutex); + + spin_lock_init(&wl->txq_spinlock); + mutex_init(&wl->txq_add_to_head_cs); + + init_completion(&wl->txq_event); + init_completion(&wl->cfg_event); + init_completion(&wl->sync_event); + init_completion(&wl->txq_thread_started); + init_srcu_struct(&wl->srcu); +} + +void wlan_deinit_locks(struct wilc *wilc) +{ + mutex_destroy(&wilc->hif_cs); + mutex_destroy(&wilc->rxq_cs); + mutex_destroy(&wilc->cfg_cmd_lock); + mutex_destroy(&wilc->txq_add_to_head_cs); + mutex_destroy(&wilc->vif_mutex); + cleanup_srcu_struct(&wilc->srcu); +} + +int wilc_cfg80211_init(struct wilc **wilc, struct device *dev, int io_type, + const struct wilc_hif_func *ops) +{ + struct wilc *wl; + struct wilc_vif *vif; + int ret; + + wl = wilc_create_wiphy(dev); + if (!wl) + return -EINVAL; + + wlan_init_locks(wl); + + ret = wilc_wlan_cfg_init(wl); + if (ret) + goto free_wl; + + *wilc = wl; + wl->io_type = io_type; + wl->hif_func = ops; + wl->chip_ps_state = WILC_CHIP_WAKEDUP; + INIT_LIST_HEAD(&wl->txq_head.list); + INIT_LIST_HEAD(&wl->rxq_head.list); + INIT_LIST_HEAD(&wl->vif_list); + + wl->hif_workqueue = create_singlethread_workqueue("WILC_wq"); + if (!wl->hif_workqueue) { + ret = -ENOMEM; + goto free_cfg; + } + vif = wilc_netdev_ifc_init(wl, "wlan%d", WILC_STATION_MODE, + NL80211_IFTYPE_STATION, false); + if (IS_ERR(vif)) { + ret = PTR_ERR(vif); + goto free_hq; + } + + return 0; + +free_hq: + destroy_workqueue(wl->hif_workqueue); + +free_cfg: + wilc_wlan_cfg_deinit(wl); + +free_wl: + wlan_deinit_locks(wl); + wiphy_unregister(wl->wiphy); + wiphy_free(wl->wiphy); + return ret; +} +EXPORT_SYMBOL_GPL(wilc_cfg80211_init); + +struct wilc *wilc_create_wiphy(struct device *dev) +{ + struct wiphy *wiphy; + struct wilc *wl; + int ret; + + wiphy = wiphy_new(&wilc_cfg80211_ops, sizeof(*wl)); + if (!wiphy) + return NULL; + + wl = wiphy_priv(wiphy); + + memcpy(wl->bitrates, wilc_bitrates, sizeof(wilc_bitrates)); + memcpy(wl->channels, wilc_2ghz_channels, sizeof(wilc_2ghz_channels)); + wl->band.bitrates = wl->bitrates; + wl->band.n_bitrates = ARRAY_SIZE(wl->bitrates); + wl->band.channels = wl->channels; + wl->band.n_channels = ARRAY_SIZE(wilc_2ghz_channels); + + wl->band.ht_cap.ht_supported = 1; + wl->band.ht_cap.cap |= (1 << IEEE80211_HT_CAP_RX_STBC_SHIFT); + wl->band.ht_cap.mcs.rx_mask[0] = 0xff; + wl->band.ht_cap.ampdu_factor = IEEE80211_HT_MAX_AMPDU_8K; + wl->band.ht_cap.ampdu_density = IEEE80211_HT_MPDU_DENSITY_NONE; + + wiphy->bands[NL80211_BAND_2GHZ] = &wl->band; + + wiphy->max_scan_ssids = WILC_MAX_NUM_PROBED_SSID; +#ifdef CONFIG_PM + wiphy->wowlan = &wowlan_support; +#endif + wiphy->max_num_pmkids = WILC_MAX_NUM_PMKIDS; + wiphy->max_scan_ie_len = 1000; + wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM; + memcpy(wl->cipher_suites, wilc_cipher_suites, + sizeof(wilc_cipher_suites)); + wiphy->cipher_suites = wl->cipher_suites; + wiphy->n_cipher_suites = ARRAY_SIZE(wilc_cipher_suites); + wiphy->mgmt_stypes = wilc_wfi_cfg80211_mgmt_types; + + wiphy->max_remain_on_channel_duration = 500; + wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | + BIT(NL80211_IFTYPE_AP) | + BIT(NL80211_IFTYPE_MONITOR) | + BIT(NL80211_IFTYPE_P2P_GO) | + BIT(NL80211_IFTYPE_P2P_CLIENT); + wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL; + + set_wiphy_dev(wiphy, dev); + wl->wiphy = wiphy; + ret = wiphy_register(wiphy); + if (ret) { + wiphy_free(wiphy); + return NULL; + } + return wl; +} + +int wilc_init_host_int(struct net_device *net) +{ + int ret; + struct wilc_vif *vif = netdev_priv(net); + struct wilc_priv *priv = &vif->priv; + + priv->p2p_listen_state = false; + + mutex_init(&priv->scan_req_lock); + ret = wilc_init(net, &priv->hif_drv); + if (ret) + netdev_err(net, "Error while initializing hostinterface\n"); + + return ret; +} + +void wilc_deinit_host_int(struct net_device *net) +{ + int ret; + struct wilc_vif *vif = netdev_priv(net); + struct wilc_priv *priv = &vif->priv; + + priv->p2p_listen_state = false; + + flush_workqueue(vif->wilc->hif_workqueue); + mutex_destroy(&priv->scan_req_lock); + ret = wilc_deinit(vif); + + if (ret) + netdev_err(net, "Error while deinitializing host interface\n"); +} + From patchwork Mon Mar 2 16:34:37 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ajay Singh X-Patchwork-Id: 203947 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=-7.0 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,UNWANTED_LANGUAGE_BODY,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 DE794C3F2D7 for ; Mon, 2 Mar 2020 16:35:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 946FC21775 for ; 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Mon, 2 Mar 2020 16:34:37 +0000 From: To: CC: , , , , , , , , Subject: [PATCH v4 11/18] wilc1000: add spi.c Thread-Topic: [PATCH v4 11/18] wilc1000: add spi.c Thread-Index: AQHV8LB2ceXQBA4DE0CI7njzmQAQsQ== Date: Mon, 2 Mar 2020 16:34:37 +0000 Message-ID: <20200302163414.4342-12-ajay.kathat@microchip.com> References: <20200302163414.4342-1-ajay.kathat@microchip.com> In-Reply-To: <20200302163414.4342-1-ajay.kathat@microchip.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-mailer: git-send-email 2.17.1 x-originating-ip: [121.244.27.38] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 4b92da86-aa5a-4829-992c-08d7bec7993e x-ms-traffictypediagnostic: BN6PR11MB4098: x-ms-exchange-transport-forked: True x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:208; x-forefront-prvs: 033054F29A x-forefront-antispam-report: SFV:NSPM; SFS:(10009020)(376002)(396003)(39860400002)(136003)(366004)(346002)(199004)(189003)(316002)(6916009)(86362001)(6512007)(30864003)(2616005)(478600001)(71200400001)(54906003)(4326008)(64756008)(186003)(107886003)(66446008)(5660300002)(91956017)(76116006)(8676002)(66476007)(66946007)(6486002)(6506007)(66556008)(26005)(81156014)(81166006)(2906002)(1076003)(36756003)(8936002)(579004); DIR:OUT; SFP:1101; SCL:1; SRVR:BN6PR11MB4098; H:BN6PR11MB3985.namprd11.prod.outlook.com; FPR:; SPF:None; LANG:en; PTR:InfoNoRecords; A:1; MX:1; received-spf: None (protection.outlook.com: microchip.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam: BCL:0; x-microsoft-antispam-message-info: J47o0bggkeV8hLq3nPloiK/g1cOZAR5YvKCGvlB2IHQ81Xq1qS7ghAK9mrOk2CHEiDJwLpFd/OU6/WmII60l8QT9FMg29aCLwM2dCOrcGHGVaqWPFTBD3C2TfgfBlv2PTH7fvi8ya50sX3HsZXHbWFCX9ArG/TCkEvvmBadGrYLRZe45RSUJgu6TSHF4lHvMLn6sWV4rMnFbcNt0Cje18274GRByDSKHcUgN54SoyY3y/EYR+ASw9lxwt9timpHX5UiTXObtC/HZEphBVQN6lOD5W/3ec+gXwfp7zLWMroxT85Va8JWHnOjd1e/KEUoEdsyr5cZG2o1+hKTrJxy+q4U2z96OQ0j3+HOkKGyfQwAcESJPhgmkm1fQJMc/MhArw1gdGxnCAqiAs2Gk0DdYbU3fegCjYDFr1Ek1S99PbVdeeH/JFDd084Mh+sw+CH/Z x-ms-exchange-antispam-messagedata: avraQOLcfNbjnaG5ygMU1ktv4T67dLs1zzlfUlNN44fFF1JgVtHtVhnbQm3FJQOao5i6Txl6WusHoMSJS0Q3DogkMndIc+pGTZOdOh7WCrLwwzg0RiJxwHEyD5LPSfsYRF/rUqiKqbtfqGBpnWbe6Q== MIME-Version: 1.0 X-MS-Exchange-CrossTenant-Network-Message-Id: 4b92da86-aa5a-4829-992c-08d7bec7993e X-MS-Exchange-CrossTenant-originalarrivaltime: 02 Mar 2020 16:34:37.2461 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 3f4057f3-b418-4d4e-ba84-d55b4e897d88 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: DODypCmF1ojd46Xb44wdk+zAF2Turut3DQm840AjXsurEirJukz23gy4tGk6DqqShbSSPELETicnbjZPlBYAaQvBxDZY21L3No/NZmXLwl0= X-MS-Exchange-Transport-CrossTenantHeadersStamped: BN6PR11MB4098 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org From: Ajay Singh Moved 'drivers/staging/wilc1000/spi.c' to 'drivers/net/wireless/microchip/wilc1000/spi.c'. Signed-off-by: Ajay Singh --- drivers/net/wireless/microchip/wilc1000/spi.c | 1001 +++++++++++++++++ 1 file changed, 1001 insertions(+) create mode 100644 drivers/net/wireless/microchip/wilc1000/spi.c diff --git a/drivers/net/wireless/microchip/wilc1000/spi.c b/drivers/net/wireless/microchip/wilc1000/spi.c new file mode 100644 index 000000000000..dfd25df75780 --- /dev/null +++ b/drivers/net/wireless/microchip/wilc1000/spi.c @@ -0,0 +1,1001 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (c) 2012 - 2018 Microchip Technology Inc., and its subsidiaries. + * All rights reserved. + */ + +#include +#include + +#include "netdev.h" +#include "cfg80211.h" + +struct wilc_spi { + int crc_off; +}; + +static const struct wilc_hif_func wilc_hif_spi; + +/******************************************** + * + * Crc7 + * + ********************************************/ + +static const u8 crc7_syndrome_table[256] = { + 0x00, 0x09, 0x12, 0x1b, 0x24, 0x2d, 0x36, 0x3f, + 0x48, 0x41, 0x5a, 0x53, 0x6c, 0x65, 0x7e, 0x77, + 0x19, 0x10, 0x0b, 0x02, 0x3d, 0x34, 0x2f, 0x26, + 0x51, 0x58, 0x43, 0x4a, 0x75, 0x7c, 0x67, 0x6e, + 0x32, 0x3b, 0x20, 0x29, 0x16, 0x1f, 0x04, 0x0d, + 0x7a, 0x73, 0x68, 0x61, 0x5e, 0x57, 0x4c, 0x45, + 0x2b, 0x22, 0x39, 0x30, 0x0f, 0x06, 0x1d, 0x14, + 0x63, 0x6a, 0x71, 0x78, 0x47, 0x4e, 0x55, 0x5c, + 0x64, 0x6d, 0x76, 0x7f, 0x40, 0x49, 0x52, 0x5b, + 0x2c, 0x25, 0x3e, 0x37, 0x08, 0x01, 0x1a, 0x13, + 0x7d, 0x74, 0x6f, 0x66, 0x59, 0x50, 0x4b, 0x42, + 0x35, 0x3c, 0x27, 0x2e, 0x11, 0x18, 0x03, 0x0a, + 0x56, 0x5f, 0x44, 0x4d, 0x72, 0x7b, 0x60, 0x69, + 0x1e, 0x17, 0x0c, 0x05, 0x3a, 0x33, 0x28, 0x21, + 0x4f, 0x46, 0x5d, 0x54, 0x6b, 0x62, 0x79, 0x70, + 0x07, 0x0e, 0x15, 0x1c, 0x23, 0x2a, 0x31, 0x38, + 0x41, 0x48, 0x53, 0x5a, 0x65, 0x6c, 0x77, 0x7e, + 0x09, 0x00, 0x1b, 0x12, 0x2d, 0x24, 0x3f, 0x36, + 0x58, 0x51, 0x4a, 0x43, 0x7c, 0x75, 0x6e, 0x67, + 0x10, 0x19, 0x02, 0x0b, 0x34, 0x3d, 0x26, 0x2f, + 0x73, 0x7a, 0x61, 0x68, 0x57, 0x5e, 0x45, 0x4c, + 0x3b, 0x32, 0x29, 0x20, 0x1f, 0x16, 0x0d, 0x04, + 0x6a, 0x63, 0x78, 0x71, 0x4e, 0x47, 0x5c, 0x55, + 0x22, 0x2b, 0x30, 0x39, 0x06, 0x0f, 0x14, 0x1d, + 0x25, 0x2c, 0x37, 0x3e, 0x01, 0x08, 0x13, 0x1a, + 0x6d, 0x64, 0x7f, 0x76, 0x49, 0x40, 0x5b, 0x52, + 0x3c, 0x35, 0x2e, 0x27, 0x18, 0x11, 0x0a, 0x03, + 0x74, 0x7d, 0x66, 0x6f, 0x50, 0x59, 0x42, 0x4b, + 0x17, 0x1e, 0x05, 0x0c, 0x33, 0x3a, 0x21, 0x28, + 0x5f, 0x56, 0x4d, 0x44, 0x7b, 0x72, 0x69, 0x60, + 0x0e, 0x07, 0x1c, 0x15, 0x2a, 0x23, 0x38, 0x31, + 0x46, 0x4f, 0x54, 0x5d, 0x62, 0x6b, 0x70, 0x79 +}; + +static u8 crc7_byte(u8 crc, u8 data) +{ + return crc7_syndrome_table[(crc << 1) ^ data]; +} + +static u8 crc7(u8 crc, const u8 *buffer, u32 len) +{ + while (len--) + crc = crc7_byte(crc, *buffer++); + return crc; +} + +static u8 wilc_get_crc7(u8 *buffer, u32 len) +{ + return crc7(0x7f, (const u8 *)buffer, len) << 1; +} + +/******************************************** + * + * Spi protocol Function + * + ********************************************/ + +#define CMD_DMA_WRITE 0xc1 +#define CMD_DMA_READ 0xc2 +#define CMD_INTERNAL_WRITE 0xc3 +#define CMD_INTERNAL_READ 0xc4 +#define CMD_TERMINATE 0xc5 +#define CMD_REPEAT 0xc6 +#define CMD_DMA_EXT_WRITE 0xc7 +#define CMD_DMA_EXT_READ 0xc8 +#define CMD_SINGLE_WRITE 0xc9 +#define CMD_SINGLE_READ 0xca +#define CMD_RESET 0xcf + +#define DATA_PKT_SZ_256 256 +#define DATA_PKT_SZ_512 512 +#define DATA_PKT_SZ_1K 1024 +#define DATA_PKT_SZ_4K (4 * 1024) +#define DATA_PKT_SZ_8K (8 * 1024) +#define DATA_PKT_SZ DATA_PKT_SZ_8K + +#define USE_SPI_DMA 0 + +#define WILC_SPI_COMMAND_STAT_SUCCESS 0 +#define WILC_GET_RESP_HDR_START(h) (((h) >> 4) & 0xf) + +struct wilc_spi_cmd { + u8 cmd_type; + union { + struct { + u8 addr[3]; + u8 crc[]; + } __packed simple_cmd; + struct { + u8 addr[3]; + u8 size[2]; + u8 crc[]; + } __packed dma_cmd; + struct { + u8 addr[3]; + u8 size[3]; + u8 crc[]; + } __packed dma_cmd_ext; + struct { + u8 addr[2]; + __be32 data; + u8 crc[]; + } __packed internal_w_cmd; + struct { + u8 addr[3]; + __be32 data; + u8 crc[]; + } __packed w_cmd; + } u; +} __packed; + +struct wilc_spi_read_rsp_data { + u8 rsp_cmd_type; + u8 status; + u8 resp_header; + u8 resp_data[4]; + u8 crc[]; +} __packed; + +struct wilc_spi_rsp_data { + u8 rsp_cmd_type; + u8 status; +} __packed; + +static int wilc_bus_probe(struct spi_device *spi) +{ + int ret; + struct wilc *wilc; + struct gpio_desc *gpio; + struct wilc_spi *spi_priv; + + spi_priv = kzalloc(sizeof(*spi_priv), GFP_KERNEL); + if (!spi_priv) + return -ENOMEM; + + gpio = gpiod_get(&spi->dev, "irq", GPIOD_IN); + if (IS_ERR(gpio)) { + /* get the GPIO descriptor from hardcode GPIO number */ + gpio = gpio_to_desc(GPIO_NUM); + if (!gpio) + dev_err(&spi->dev, "failed to get the irq gpio\n"); + } + + ret = wilc_cfg80211_init(&wilc, &spi->dev, WILC_HIF_SPI, &wilc_hif_spi); + if (ret) { + kfree(spi_priv); + return ret; + } + + spi_set_drvdata(spi, wilc); + wilc->dev = &spi->dev; + wilc->bus_data = spi_priv; + wilc->gpio_irq = gpio; + + wilc->rtc_clk = devm_clk_get(&spi->dev, "rtc_clk"); + if (PTR_ERR_OR_ZERO(wilc->rtc_clk) == -EPROBE_DEFER) + return -EPROBE_DEFER; + else if (!IS_ERR(wilc->rtc_clk)) + clk_prepare_enable(wilc->rtc_clk); + + return 0; +} + +static int wilc_bus_remove(struct spi_device *spi) +{ + struct wilc *wilc = spi_get_drvdata(spi); + + /* free the GPIO in module remove */ + if (wilc->gpio_irq) + gpiod_put(wilc->gpio_irq); + + if (!IS_ERR(wilc->rtc_clk)) + clk_disable_unprepare(wilc->rtc_clk); + + wilc_netdev_cleanup(wilc); + return 0; +} + +static const struct of_device_id wilc_of_match[] = { + { .compatible = "microchip,wilc1000-spi", }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, wilc_of_match); + +static struct spi_driver wilc_spi_driver = { + .driver = { + .name = MODALIAS, + .of_match_table = wilc_of_match, + }, + .probe = wilc_bus_probe, + .remove = wilc_bus_remove, +}; +module_spi_driver(wilc_spi_driver); +MODULE_LICENSE("GPL"); + +static int wilc_spi_tx(struct wilc *wilc, u8 *b, u32 len) +{ + struct spi_device *spi = to_spi_device(wilc->dev); + int ret; + struct spi_message msg; + + if (len > 0 && b) { + struct spi_transfer tr = { + .tx_buf = b, + .len = len, + .delay_usecs = 0, + }; + char *r_buffer = kzalloc(len, GFP_KERNEL); + + if (!r_buffer) + return -ENOMEM; + + tr.rx_buf = r_buffer; + dev_dbg(&spi->dev, "Request writing %d bytes\n", len); + + memset(&msg, 0, sizeof(msg)); + spi_message_init(&msg); + msg.spi = spi; + msg.is_dma_mapped = USE_SPI_DMA; + spi_message_add_tail(&tr, &msg); + + ret = spi_sync(spi, &msg); + if (ret < 0) + dev_err(&spi->dev, "SPI transaction failed\n"); + + kfree(r_buffer); + } else { + dev_err(&spi->dev, + "can't write data with the following length: %d\n", + len); + ret = -EINVAL; + } + + return ret; +} + +static int wilc_spi_rx(struct wilc *wilc, u8 *rb, u32 rlen) +{ + struct spi_device *spi = to_spi_device(wilc->dev); + int ret; + + if (rlen > 0) { + struct spi_message msg; + struct spi_transfer tr = { + .rx_buf = rb, + .len = rlen, + .delay_usecs = 0, + + }; + char *t_buffer = kzalloc(rlen, GFP_KERNEL); + + if (!t_buffer) + return -ENOMEM; + + tr.tx_buf = t_buffer; + + memset(&msg, 0, sizeof(msg)); + spi_message_init(&msg); + msg.spi = spi; + msg.is_dma_mapped = USE_SPI_DMA; + spi_message_add_tail(&tr, &msg); + + ret = spi_sync(spi, &msg); + if (ret < 0) + dev_err(&spi->dev, "SPI transaction failed\n"); + kfree(t_buffer); + } else { + dev_err(&spi->dev, + "can't read data with the following length: %u\n", + rlen); + ret = -EINVAL; + } + + return ret; +} + +static int wilc_spi_tx_rx(struct wilc *wilc, u8 *wb, u8 *rb, u32 rlen) +{ + struct spi_device *spi = to_spi_device(wilc->dev); + int ret; + + if (rlen > 0) { + struct spi_message msg; + struct spi_transfer tr = { + .rx_buf = rb, + .tx_buf = wb, + .len = rlen, + .bits_per_word = 8, + .delay_usecs = 0, + + }; + + memset(&msg, 0, sizeof(msg)); + spi_message_init(&msg); + msg.spi = spi; + msg.is_dma_mapped = USE_SPI_DMA; + + spi_message_add_tail(&tr, &msg); + ret = spi_sync(spi, &msg); + if (ret < 0) + dev_err(&spi->dev, "SPI transaction failed\n"); + } else { + dev_err(&spi->dev, + "can't read data with the following length: %u\n", + rlen); + ret = -EINVAL; + } + + return ret; +} + +static int spi_data_write(struct wilc *wilc, u8 *b, u32 sz) +{ + struct spi_device *spi = to_spi_device(wilc->dev); + struct wilc_spi *spi_priv = wilc->bus_data; + int ix, nbytes; + int result = 0; + u8 cmd, order, crc[2] = {0}; + + /* + * Data + */ + ix = 0; + do { + if (sz <= DATA_PKT_SZ) { + nbytes = sz; + order = 0x3; + } else { + nbytes = DATA_PKT_SZ; + if (ix == 0) + order = 0x1; + else + order = 0x02; + } + + /* + * Write command + */ + cmd = 0xf0; + cmd |= order; + + if (wilc_spi_tx(wilc, &cmd, 1)) { + dev_err(&spi->dev, + "Failed data block cmd write, bus error...\n"); + result = -EINVAL; + break; + } + + /* + * Write data + */ + if (wilc_spi_tx(wilc, &b[ix], nbytes)) { + dev_err(&spi->dev, + "Failed data block write, bus error...\n"); + result = -EINVAL; + break; + } + + /* + * Write Crc + */ + if (!spi_priv->crc_off) { + if (wilc_spi_tx(wilc, crc, 2)) { + dev_err(&spi->dev, "Failed data block crc write, bus error...\n"); + result = -EINVAL; + break; + } + } + + /* + * No need to wait for response + */ + ix += nbytes; + sz -= nbytes; + } while (sz); + + return result; +} + +/******************************************** + * + * Spi Internal Read/Write Function + * + ********************************************/ +static int wilc_spi_single_read(struct wilc *wilc, u8 cmd, u32 adr, void *b, + u8 clockless) +{ + struct spi_device *spi = to_spi_device(wilc->dev); + struct wilc_spi *spi_priv = wilc->bus_data; + u8 wb[32], rb[32]; + int cmd_len, resp_len; + u8 crc[2]; + struct wilc_spi_cmd *c; + struct wilc_spi_read_rsp_data *r; + + memset(wb, 0x0, sizeof(wb)); + memset(rb, 0x0, sizeof(rb)); + c = (struct wilc_spi_cmd *)wb; + c->cmd_type = cmd; + if (cmd == CMD_SINGLE_READ) { + c->u.simple_cmd.addr[0] = adr >> 16; + c->u.simple_cmd.addr[1] = adr >> 8; + c->u.simple_cmd.addr[2] = adr; + } else if (cmd == CMD_INTERNAL_READ) { + c->u.simple_cmd.addr[0] = adr >> 8; + if (clockless == 1) + c->u.simple_cmd.addr[0] |= BIT(7); + c->u.simple_cmd.addr[1] = adr; + c->u.simple_cmd.addr[2] = 0x0; + } else { + dev_err(&spi->dev, "cmd [%x] not supported\n", cmd); + return -EINVAL; + } + + cmd_len = offsetof(struct wilc_spi_cmd, u.simple_cmd.crc); + resp_len = sizeof(*r); + if (!spi_priv->crc_off) { + c->u.simple_cmd.crc[0] = wilc_get_crc7(wb, cmd_len); + cmd_len += 1; + resp_len += 2; + } + + if (cmd_len + resp_len > ARRAY_SIZE(wb)) { + dev_err(&spi->dev, + "spi buffer size too small (%d) (%d) (%zu)\n", + cmd_len, resp_len, ARRAY_SIZE(wb)); + return -EINVAL; + } + + if (wilc_spi_tx_rx(wilc, wb, rb, cmd_len + resp_len)) { + dev_err(&spi->dev, "Failed cmd write, bus error...\n"); + return -EINVAL; + } + + r = (struct wilc_spi_read_rsp_data *)&rb[cmd_len]; + if (r->rsp_cmd_type != cmd) { + dev_err(&spi->dev, + "Failed cmd response, cmd (%02x), resp (%02x)\n", + cmd, r->rsp_cmd_type); + return -EINVAL; + } + + if (r->status != WILC_SPI_COMMAND_STAT_SUCCESS) { + dev_err(&spi->dev, "Failed cmd state response state (%02x)\n", + r->status); + return -EINVAL; + } + + if (WILC_GET_RESP_HDR_START(r->resp_header) != 0xf) { + dev_err(&spi->dev, "Error, data read response (%02x)\n", + r->resp_header); + return -EINVAL; + } + + if (b) + memcpy(b, r->resp_data, 4); + + if (!spi_priv->crc_off) + memcpy(crc, r->crc, 2); + + return 0; +} + +static int wilc_spi_write_cmd(struct wilc *wilc, u8 cmd, u32 adr, u32 data, + u8 clockless) +{ + struct spi_device *spi = to_spi_device(wilc->dev); + struct wilc_spi *spi_priv = wilc->bus_data; + u8 wb[32], rb[32]; + int cmd_len, resp_len; + struct wilc_spi_cmd *c; + struct wilc_spi_rsp_data *r; + + memset(wb, 0x0, sizeof(wb)); + memset(rb, 0x0, sizeof(rb)); + c = (struct wilc_spi_cmd *)wb; + c->cmd_type = cmd; + if (cmd == CMD_INTERNAL_WRITE) { + c->u.internal_w_cmd.addr[0] = adr >> 8; + if (clockless == 1) + c->u.internal_w_cmd.addr[0] |= BIT(7); + + c->u.internal_w_cmd.addr[1] = adr; + c->u.internal_w_cmd.data = cpu_to_be32(data); + cmd_len = offsetof(struct wilc_spi_cmd, u.internal_w_cmd.crc); + if (!spi_priv->crc_off) + c->u.internal_w_cmd.crc[0] = wilc_get_crc7(wb, cmd_len); + } else if (cmd == CMD_SINGLE_WRITE) { + c->u.w_cmd.addr[0] = adr >> 16; + c->u.w_cmd.addr[1] = adr >> 8; + c->u.w_cmd.addr[2] = adr; + c->u.w_cmd.data = cpu_to_be32(data); + cmd_len = offsetof(struct wilc_spi_cmd, u.w_cmd.crc); + if (!spi_priv->crc_off) + c->u.w_cmd.crc[0] = wilc_get_crc7(wb, cmd_len); + } else { + dev_err(&spi->dev, "write cmd [%x] not supported\n", cmd); + return -EINVAL; + } + + if (!spi_priv->crc_off) + cmd_len += 1; + + resp_len = sizeof(*r); + + if (cmd_len + resp_len > ARRAY_SIZE(wb)) { + dev_err(&spi->dev, + "spi buffer size too small (%d) (%d) (%zu)\n", + cmd_len, resp_len, ARRAY_SIZE(wb)); + return -EINVAL; + } + + if (wilc_spi_tx_rx(wilc, wb, rb, cmd_len + resp_len)) { + dev_err(&spi->dev, "Failed cmd write, bus error...\n"); + return -EINVAL; + } + + r = (struct wilc_spi_rsp_data *)&rb[cmd_len]; + if (r->rsp_cmd_type != cmd) { + dev_err(&spi->dev, + "Failed cmd response, cmd (%02x), resp (%02x)\n", + cmd, r->rsp_cmd_type); + return -EINVAL; + } + + if (r->status != WILC_SPI_COMMAND_STAT_SUCCESS) { + dev_err(&spi->dev, "Failed cmd state response state (%02x)\n", + r->status); + return -EINVAL; + } + + return 0; +} + +static int wilc_spi_dma_rw(struct wilc *wilc, u8 cmd, u32 adr, u8 *b, u32 sz) +{ + struct spi_device *spi = to_spi_device(wilc->dev); + struct wilc_spi *spi_priv = wilc->bus_data; + u8 wb[32], rb[32]; + int cmd_len, resp_len; + int retry, ix = 0; + u8 crc[2]; + struct wilc_spi_cmd *c; + struct wilc_spi_rsp_data *r; + + memset(wb, 0x0, sizeof(wb)); + memset(rb, 0x0, sizeof(rb)); + c = (struct wilc_spi_cmd *)wb; + c->cmd_type = cmd; + if (cmd == CMD_DMA_WRITE || cmd == CMD_DMA_READ) { + c->u.dma_cmd.addr[0] = adr >> 16; + c->u.dma_cmd.addr[1] = adr >> 8; + c->u.dma_cmd.addr[2] = adr; + c->u.dma_cmd.size[0] = sz >> 8; + c->u.dma_cmd.size[1] = sz; + cmd_len = offsetof(struct wilc_spi_cmd, u.dma_cmd.crc); + if (!spi_priv->crc_off) + c->u.dma_cmd.crc[0] = wilc_get_crc7(wb, cmd_len); + } else if (cmd == CMD_DMA_EXT_WRITE || cmd == CMD_DMA_EXT_READ) { + c->u.dma_cmd_ext.addr[0] = adr >> 16; + c->u.dma_cmd_ext.addr[1] = adr >> 8; + c->u.dma_cmd_ext.addr[2] = adr; + c->u.dma_cmd_ext.size[0] = sz >> 16; + c->u.dma_cmd_ext.size[1] = sz >> 8; + c->u.dma_cmd_ext.size[2] = sz; + cmd_len = offsetof(struct wilc_spi_cmd, u.dma_cmd_ext.crc); + if (!spi_priv->crc_off) + c->u.dma_cmd_ext.crc[0] = wilc_get_crc7(wb, cmd_len); + } else { + dev_err(&spi->dev, "dma read write cmd [%x] not supported\n", + cmd); + return -EINVAL; + } + if (!spi_priv->crc_off) + cmd_len += 1; + + resp_len = sizeof(*r); + + if (cmd_len + resp_len > ARRAY_SIZE(wb)) { + dev_err(&spi->dev, "spi buffer size too small (%d)(%d) (%zu)\n", + cmd_len, resp_len, ARRAY_SIZE(wb)); + return -EINVAL; + } + + if (wilc_spi_tx_rx(wilc, wb, rb, cmd_len + resp_len)) { + dev_err(&spi->dev, "Failed cmd write, bus error...\n"); + return -EINVAL; + } + + r = (struct wilc_spi_rsp_data *)&rb[cmd_len]; + if (r->rsp_cmd_type != cmd) { + dev_err(&spi->dev, + "Failed cmd response, cmd (%02x), resp (%02x)\n", + cmd, r->rsp_cmd_type); + return -EINVAL; + } + + if (r->status != WILC_SPI_COMMAND_STAT_SUCCESS) { + dev_err(&spi->dev, "Failed cmd state response state (%02x)\n", + r->status); + return -EINVAL; + } + + if (cmd == CMD_DMA_WRITE || cmd == CMD_DMA_EXT_WRITE) + return 0; + + while (sz > 0) { + int nbytes; + u8 rsp; + + if (sz <= DATA_PKT_SZ) + nbytes = sz; + else + nbytes = DATA_PKT_SZ; + + /* + * Data Response header + */ + retry = 100; + do { + if (wilc_spi_rx(wilc, &rsp, 1)) { + dev_err(&spi->dev, + "Failed resp read, bus err\n"); + return -EINVAL; + } + if (WILC_GET_RESP_HDR_START(rsp) == 0xf) + break; + } while (retry--); + + /* + * Read bytes + */ + if (wilc_spi_rx(wilc, &b[ix], nbytes)) { + dev_err(&spi->dev, + "Failed block read, bus err\n"); + return -EINVAL; + } + + /* + * Read Crc + */ + if (!spi_priv->crc_off && wilc_spi_rx(wilc, crc, 2)) { + dev_err(&spi->dev, + "Failed block crc read, bus err\n"); + return -EINVAL; + } + + ix += nbytes; + sz -= nbytes; + } + return 0; +} + +static int wilc_spi_read_reg(struct wilc *wilc, u32 addr, u32 *data) +{ + struct spi_device *spi = to_spi_device(wilc->dev); + int result; + u8 cmd = CMD_SINGLE_READ; + u8 clockless = 0; + + if (addr < WILC_SPI_CLOCKLESS_ADDR_LIMIT) { + /* Clockless register */ + cmd = CMD_INTERNAL_READ; + clockless = 1; + } + + result = wilc_spi_single_read(wilc, cmd, addr, data, clockless); + if (result) { + dev_err(&spi->dev, "Failed cmd, read reg (%08x)...\n", addr); + return result; + } + + le32_to_cpus(data); + + return 0; +} + +static int wilc_spi_read(struct wilc *wilc, u32 addr, u8 *buf, u32 size) +{ + struct spi_device *spi = to_spi_device(wilc->dev); + int result; + + if (size <= 4) + return -EINVAL; + + result = wilc_spi_dma_rw(wilc, CMD_DMA_EXT_READ, addr, buf, size); + if (result) { + dev_err(&spi->dev, "Failed cmd, read block (%08x)...\n", addr); + return result; + } + + return 0; +} + +static int spi_internal_write(struct wilc *wilc, u32 adr, u32 dat) +{ + struct spi_device *spi = to_spi_device(wilc->dev); + int result; + + result = wilc_spi_write_cmd(wilc, CMD_INTERNAL_WRITE, adr, dat, 0); + if (result) { + dev_err(&spi->dev, "Failed internal write cmd...\n"); + return result; + } + + return 0; +} + +static int spi_internal_read(struct wilc *wilc, u32 adr, u32 *data) +{ + struct spi_device *spi = to_spi_device(wilc->dev); + int result; + + result = wilc_spi_single_read(wilc, CMD_INTERNAL_READ, adr, data, 0); + if (result) { + dev_err(&spi->dev, "Failed internal read cmd...\n"); + return result; + } + + le32_to_cpus(data); + + return 0; +} + +/******************************************** + * + * Spi interfaces + * + ********************************************/ + +static int wilc_spi_write_reg(struct wilc *wilc, u32 addr, u32 data) +{ + struct spi_device *spi = to_spi_device(wilc->dev); + int result; + u8 cmd = CMD_SINGLE_WRITE; + u8 clockless = 0; + + if (addr < WILC_SPI_CLOCKLESS_ADDR_LIMIT) { + /* Clockless register */ + cmd = CMD_INTERNAL_WRITE; + clockless = 1; + } + + result = wilc_spi_write_cmd(wilc, cmd, addr, data, clockless); + if (result) { + dev_err(&spi->dev, "Failed cmd, write reg (%08x)...\n", addr); + return result; + } + + return 0; +} + +static int wilc_spi_write(struct wilc *wilc, u32 addr, u8 *buf, u32 size) +{ + struct spi_device *spi = to_spi_device(wilc->dev); + int result; + + /* + * has to be greated than 4 + */ + if (size <= 4) + return -EINVAL; + + result = wilc_spi_dma_rw(wilc, CMD_DMA_EXT_WRITE, addr, NULL, size); + if (result) { + dev_err(&spi->dev, + "Failed cmd, write block (%08x)...\n", addr); + return result; + } + + /* + * Data + */ + result = spi_data_write(wilc, buf, size); + if (result) { + dev_err(&spi->dev, "Failed block data write...\n"); + return result; + } + + return 0; +} + +/******************************************** + * + * Bus interfaces + * + ********************************************/ + +static int wilc_spi_deinit(struct wilc *wilc) +{ + /* + * TODO: + */ + return 0; +} + +static int wilc_spi_init(struct wilc *wilc, bool resume) +{ + struct spi_device *spi = to_spi_device(wilc->dev); + struct wilc_spi *spi_priv = wilc->bus_data; + u32 reg; + u32 chipid; + static int isinit; + int ret; + + if (isinit) { + ret = wilc_spi_read_reg(wilc, WILC_CHIPID, &chipid); + if (ret) + dev_err(&spi->dev, "Fail cmd read chip id...\n"); + + return ret; + } + + /* + * configure protocol + */ + + /* + * TODO: We can remove the CRC trials if there is a definite + * way to reset + */ + /* the SPI to it's initial value. */ + ret = spi_internal_read(wilc, WILC_SPI_PROTOCOL_OFFSET, ®); + if (ret) { + /* + * Read failed. Try with CRC off. This might happen when module + * is removed but chip isn't reset + */ + spi_priv->crc_off = 1; + dev_err(&spi->dev, + "Failed read with CRC on, retrying with CRC off\n"); + ret = spi_internal_read(wilc, WILC_SPI_PROTOCOL_OFFSET, ®); + if (ret) { + /* + * Read failed with both CRC on and off, + * something went bad + */ + dev_err(&spi->dev, "Failed internal read protocol\n"); + return ret; + } + } + if (spi_priv->crc_off == 0) { + reg &= ~0xc; /* disable crc checking */ + reg &= ~0x70; + reg |= (0x5 << 4); + ret = spi_internal_write(wilc, WILC_SPI_PROTOCOL_OFFSET, reg); + if (ret) { + dev_err(&spi->dev, + "[wilc spi %d]: Failed internal write reg\n", + __LINE__); + return ret; + } + spi_priv->crc_off = 1; + } + + /* + * make sure can read back chip id correctly + */ + ret = wilc_spi_read_reg(wilc, WILC_CHIPID, &chipid); + if (ret) { + dev_err(&spi->dev, "Fail cmd read chip id...\n"); + return ret; + } + + isinit = 1; + + return 0; +} + +static int wilc_spi_read_size(struct wilc *wilc, u32 *size) +{ + int ret; + + ret = spi_internal_read(wilc, + WILC_SPI_INT_STATUS - WILC_SPI_REG_BASE, size); + *size = FIELD_GET(IRQ_DMA_WD_CNT_MASK, *size); + + return ret; +} + +static int wilc_spi_read_int(struct wilc *wilc, u32 *int_status) +{ + return spi_internal_read(wilc, WILC_SPI_INT_STATUS - WILC_SPI_REG_BASE, + int_status); +} + +static int wilc_spi_clear_int_ext(struct wilc *wilc, u32 val) +{ + return spi_internal_write(wilc, WILC_SPI_INT_CLEAR - WILC_SPI_REG_BASE, + val); +} + +static int wilc_spi_sync_ext(struct wilc *wilc, int nint) +{ + struct spi_device *spi = to_spi_device(wilc->dev); + u32 reg; + int ret, i; + + if (nint > MAX_NUM_INT) { + dev_err(&spi->dev, "Too many interrupts (%d)...\n", nint); + return -EINVAL; + } + + /* + * interrupt pin mux select + */ + ret = wilc_spi_read_reg(wilc, WILC_PIN_MUX_0, ®); + if (ret) { + dev_err(&spi->dev, "Failed read reg (%08x)...\n", + WILC_PIN_MUX_0); + return ret; + } + reg |= BIT(8); + ret = wilc_spi_write_reg(wilc, WILC_PIN_MUX_0, reg); + if (ret) { + dev_err(&spi->dev, "Failed write reg (%08x)...\n", + WILC_PIN_MUX_0); + return ret; + } + + /* + * interrupt enable + */ + ret = wilc_spi_read_reg(wilc, WILC_INTR_ENABLE, ®); + if (ret) { + dev_err(&spi->dev, "Failed read reg (%08x)...\n", + WILC_INTR_ENABLE); + return ret; + } + + for (i = 0; (i < 5) && (nint > 0); i++, nint--) + reg |= (BIT((27 + i))); + + ret = wilc_spi_write_reg(wilc, WILC_INTR_ENABLE, reg); + if (ret) { + dev_err(&spi->dev, "Failed write reg (%08x)...\n", + WILC_INTR_ENABLE); + return ret; + } + if (nint) { + ret = wilc_spi_read_reg(wilc, WILC_INTR2_ENABLE, ®); + if (ret) { + dev_err(&spi->dev, "Failed read reg (%08x)...\n", + WILC_INTR2_ENABLE); + return ret; + } + + for (i = 0; (i < 3) && (nint > 0); i++, nint--) + reg |= BIT(i); + + ret = wilc_spi_read_reg(wilc, WILC_INTR2_ENABLE, ®); + if (ret) { + dev_err(&spi->dev, "Failed write reg (%08x)...\n", + WILC_INTR2_ENABLE); + return ret; + } + } + + return 0; +} + +/* Global spi HIF function table */ +static const struct wilc_hif_func wilc_hif_spi = { + .hif_init = wilc_spi_init, + .hif_deinit = wilc_spi_deinit, + .hif_read_reg = wilc_spi_read_reg, + .hif_write_reg = wilc_spi_write_reg, + .hif_block_rx = wilc_spi_read, + .hif_block_tx = wilc_spi_write, + .hif_read_int = wilc_spi_read_int, + .hif_clear_int_ext = wilc_spi_clear_int_ext, + .hif_read_size = wilc_spi_read_size, + .hif_block_tx_ext = wilc_spi_write, + .hif_block_rx_ext = wilc_spi_read, + .hif_sync_ext = wilc_spi_sync_ext, +}; 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Mon, 2 Mar 2020 16:34:38 +0000 From: To: CC: , , , , , , , , Subject: [PATCH v4 13/18] wilc1000: add wlan.c Thread-Topic: [PATCH v4 13/18] wilc1000: add wlan.c Thread-Index: AQHV8LB3qtrTwijN4ECIRV9B75BGGg== Date: Mon, 2 Mar 2020 16:34:38 +0000 Message-ID: <20200302163414.4342-14-ajay.kathat@microchip.com> References: <20200302163414.4342-1-ajay.kathat@microchip.com> In-Reply-To: <20200302163414.4342-1-ajay.kathat@microchip.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-mailer: git-send-email 2.17.1 x-originating-ip: [121.244.27.38] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: e6f6a98a-94b8-4665-f95f-08d7bec799fd x-ms-traffictypediagnostic: BN6PR11MB4098: x-ms-exchange-transport-forked: True x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:15; x-forefront-prvs: 033054F29A x-forefront-antispam-report: SFV:NSPM; SFS:(10009020)(376002)(396003)(39860400002)(136003)(366004)(346002)(199004)(189003)(316002)(6916009)(86362001)(6512007)(30864003)(2616005)(478600001)(71200400001)(54906003)(4326008)(64756008)(186003)(107886003)(66446008)(5660300002)(91956017)(76116006)(8676002)(66476007)(66946007)(6486002)(6506007)(66556008)(26005)(81156014)(81166006)(2906002)(1076003)(36756003)(8936002)(579004)(559001); DIR:OUT; SFP:1101; SCL:1; SRVR:BN6PR11MB4098; H:BN6PR11MB3985.namprd11.prod.outlook.com; FPR:; SPF:None; LANG:en; PTR:InfoNoRecords; A:1; MX:1; received-spf: None (protection.outlook.com: microchip.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam: BCL:0; x-microsoft-antispam-message-info: 5I+4u5yZGtbkkEKy9wuWuF/jYv5dwrbQU2sKiV05FRwTFyOjHOFB8ixl80iZuCcZLS6scZlEBDXLSsiLgD4AnICuK6PWvn9auvvmq0qqSeaOFvreyuwAT5rpJ802aW6eDasoMubF1B/XFUsdEaJU2rKuoIuaLwJj51ix95yHa4gMYqPe6h2I/rWAHpVluZDzXMnvnALE1fhtSr7KPD7gvKxpEWdbX+kN7OxzcptMaur9uAy4t2q190MUesmlcKlsmGP3GLrO2zLuBIEtJp0fa1w7SA5gX5KN9VFMXiSqDxKOpG3cw+4B3DcInSuYJRcJHa4lcpLmeTHP2wYGgICX+JB8GJhDH8BKE/ms7lnBREoWOSOKRvzRLv8/w3D+VGaB1M7sMtMxWaMsLBLKMyWNBFuM91ZNYUJfSHxKNjYVQ/VF/ktGCTsg3PYaxgkdZYp/ x-ms-exchange-antispam-messagedata: /hegqWsBzCakm6BHfaLe92YcaNX6YlkbATWnlW9C4x9rkMYvlXtTsjFKfDJdn27REQ4D/GUqhvzwrxNMGzJuv4jmKxBiC7WZjaJ05cK7l9Z3GXa0PodvyLsDxaMLwdWXb5CEV5ISZVeRchN2LBLWZw== MIME-Version: 1.0 X-MS-Exchange-CrossTenant-Network-Message-Id: e6f6a98a-94b8-4665-f95f-08d7bec799fd X-MS-Exchange-CrossTenant-originalarrivaltime: 02 Mar 2020 16:34:38.5663 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 3f4057f3-b418-4d4e-ba84-d55b4e897d88 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: s+Gw2qQz0bHqyDXDw/pA9OvIl5yW56hiseh+jHi9AdNHIoFvA0Lcfz/fDZMDuTv7R3sFHmTiZFQzEgE+8f2M7IZSIzBTOKR5L5CBLDKYl0E= X-MS-Exchange-Transport-CrossTenantHeadersStamped: BN6PR11MB4098 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org From: Ajay Singh Moved 'drivers/staging/wilc1000/wlan.c' to 'drivers/net/wireless/microchip/wilc1000/wlan.c'. Signed-off-by: Ajay Singh --- .../net/wireless/microchip/wilc1000/wlan.c | 1238 +++++++++++++++++ 1 file changed, 1238 insertions(+) create mode 100644 drivers/net/wireless/microchip/wilc1000/wlan.c diff --git a/drivers/net/wireless/microchip/wilc1000/wlan.c b/drivers/net/wireless/microchip/wilc1000/wlan.c new file mode 100644 index 000000000000..6a82fb2f283e --- /dev/null +++ b/drivers/net/wireless/microchip/wilc1000/wlan.c @@ -0,0 +1,1238 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (c) 2012 - 2018 Microchip Technology Inc., and its subsidiaries. + * All rights reserved. + */ + +#include +#include +#include "cfg80211.h" +#include "wlan_cfg.h" + +static inline bool is_wilc1000(u32 id) +{ + return (id & (~WILC_CHIP_REV_FIELD)) == WILC_1000_BASE_ID; +} + +static inline void acquire_bus(struct wilc *wilc, enum bus_acquire acquire) +{ + mutex_lock(&wilc->hif_cs); + if (acquire == WILC_BUS_ACQUIRE_AND_WAKEUP) + chip_wakeup(wilc); +} + +static inline void release_bus(struct wilc *wilc, enum bus_release release) +{ + if (release == WILC_BUS_RELEASE_ALLOW_SLEEP) + chip_allow_sleep(wilc); + mutex_unlock(&wilc->hif_cs); +} + +static void wilc_wlan_txq_remove(struct wilc *wilc, struct txq_entry_t *tqe) +{ + list_del(&tqe->list); + wilc->txq_entries -= 1; +} + +static struct txq_entry_t * +wilc_wlan_txq_remove_from_head(struct net_device *dev) +{ + struct txq_entry_t *tqe = NULL; + unsigned long flags; + struct wilc_vif *vif = netdev_priv(dev); + struct wilc *wilc = vif->wilc; + + spin_lock_irqsave(&wilc->txq_spinlock, flags); + + if (!list_empty(&wilc->txq_head.list)) { + tqe = list_first_entry(&wilc->txq_head.list, struct txq_entry_t, + list); + list_del(&tqe->list); + wilc->txq_entries -= 1; + } + spin_unlock_irqrestore(&wilc->txq_spinlock, flags); + return tqe; +} + +static void wilc_wlan_txq_add_to_tail(struct net_device *dev, + struct txq_entry_t *tqe) +{ + unsigned long flags; + struct wilc_vif *vif = netdev_priv(dev); + struct wilc *wilc = vif->wilc; + + spin_lock_irqsave(&wilc->txq_spinlock, flags); + + list_add_tail(&tqe->list, &wilc->txq_head.list); + wilc->txq_entries += 1; + + spin_unlock_irqrestore(&wilc->txq_spinlock, flags); + + complete(&wilc->txq_event); +} + +static void wilc_wlan_txq_add_to_head(struct wilc_vif *vif, + struct txq_entry_t *tqe) +{ + unsigned long flags; + struct wilc *wilc = vif->wilc; + + mutex_lock(&wilc->txq_add_to_head_cs); + + spin_lock_irqsave(&wilc->txq_spinlock, flags); + + list_add(&tqe->list, &wilc->txq_head.list); + wilc->txq_entries += 1; + + spin_unlock_irqrestore(&wilc->txq_spinlock, flags); + mutex_unlock(&wilc->txq_add_to_head_cs); + complete(&wilc->txq_event); +} + +#define NOT_TCP_ACK (-1) + +static inline void add_tcp_session(struct wilc_vif *vif, u32 src_prt, + u32 dst_prt, u32 seq) +{ + struct tcp_ack_filter *f = &vif->ack_filter; + + if (f->tcp_session < 2 * MAX_TCP_SESSION) { + f->ack_session_info[f->tcp_session].seq_num = seq; + f->ack_session_info[f->tcp_session].bigger_ack_num = 0; + f->ack_session_info[f->tcp_session].src_port = src_prt; + f->ack_session_info[f->tcp_session].dst_port = dst_prt; + f->tcp_session++; + } +} + +static inline void update_tcp_session(struct wilc_vif *vif, u32 index, u32 ack) +{ + struct tcp_ack_filter *f = &vif->ack_filter; + + if (index < 2 * MAX_TCP_SESSION && + ack > f->ack_session_info[index].bigger_ack_num) + f->ack_session_info[index].bigger_ack_num = ack; +} + +static inline void add_tcp_pending_ack(struct wilc_vif *vif, u32 ack, + u32 session_index, + struct txq_entry_t *txqe) +{ + struct tcp_ack_filter *f = &vif->ack_filter; + u32 i = f->pending_base + f->pending_acks_idx; + + if (i < MAX_PENDING_ACKS) { + f->pending_acks[i].ack_num = ack; + f->pending_acks[i].txqe = txqe; + f->pending_acks[i].session_index = session_index; + txqe->ack_idx = i; + f->pending_acks_idx++; + } +} + +static inline void tcp_process(struct net_device *dev, struct txq_entry_t *tqe) +{ + void *buffer = tqe->buffer; + const struct ethhdr *eth_hdr_ptr = buffer; + int i; + unsigned long flags; + struct wilc_vif *vif = netdev_priv(dev); + struct wilc *wilc = vif->wilc; + struct tcp_ack_filter *f = &vif->ack_filter; + const struct iphdr *ip_hdr_ptr; + const struct tcphdr *tcp_hdr_ptr; + u32 ihl, total_length, data_offset; + + spin_lock_irqsave(&wilc->txq_spinlock, flags); + + if (eth_hdr_ptr->h_proto != htons(ETH_P_IP)) + goto out; + + ip_hdr_ptr = buffer + ETH_HLEN; + + if (ip_hdr_ptr->protocol != IPPROTO_TCP) + goto out; + + ihl = ip_hdr_ptr->ihl << 2; + tcp_hdr_ptr = buffer + ETH_HLEN + ihl; + total_length = ntohs(ip_hdr_ptr->tot_len); + + data_offset = tcp_hdr_ptr->doff << 2; + if (total_length == (ihl + data_offset)) { + u32 seq_no, ack_no; + + seq_no = ntohl(tcp_hdr_ptr->seq); + ack_no = ntohl(tcp_hdr_ptr->ack_seq); + for (i = 0; i < f->tcp_session; i++) { + u32 j = f->ack_session_info[i].seq_num; + + if (i < 2 * MAX_TCP_SESSION && + j == seq_no) { + update_tcp_session(vif, i, ack_no); + break; + } + } + if (i == f->tcp_session) + add_tcp_session(vif, 0, 0, seq_no); + + add_tcp_pending_ack(vif, ack_no, i, tqe); + } + +out: + spin_unlock_irqrestore(&wilc->txq_spinlock, flags); +} + +static void wilc_wlan_txq_filter_dup_tcp_ack(struct net_device *dev) +{ + struct wilc_vif *vif = netdev_priv(dev); + struct wilc *wilc = vif->wilc; + struct tcp_ack_filter *f = &vif->ack_filter; + u32 i = 0; + u32 dropped = 0; + unsigned long flags; + + spin_lock_irqsave(&wilc->txq_spinlock, flags); + for (i = f->pending_base; + i < (f->pending_base + f->pending_acks_idx); i++) { + u32 index; + u32 bigger_ack_num; + + if (i >= MAX_PENDING_ACKS) + break; + + index = f->pending_acks[i].session_index; + + if (index >= 2 * MAX_TCP_SESSION) + break; + + bigger_ack_num = f->ack_session_info[index].bigger_ack_num; + + if (f->pending_acks[i].ack_num < bigger_ack_num) { + struct txq_entry_t *tqe; + + tqe = f->pending_acks[i].txqe; + if (tqe) { + wilc_wlan_txq_remove(wilc, tqe); + tqe->status = 1; + if (tqe->tx_complete_func) + tqe->tx_complete_func(tqe->priv, + tqe->status); + kfree(tqe); + dropped++; + } + } + } + f->pending_acks_idx = 0; + f->tcp_session = 0; + + if (f->pending_base == 0) + f->pending_base = MAX_TCP_SESSION; + else + f->pending_base = 0; + + spin_unlock_irqrestore(&wilc->txq_spinlock, flags); + + while (dropped > 0) { + wait_for_completion_timeout(&wilc->txq_event, + msecs_to_jiffies(1)); + dropped--; + } +} + +void wilc_enable_tcp_ack_filter(struct wilc_vif *vif, bool value) +{ + vif->ack_filter.enabled = value; +} + +static int wilc_wlan_txq_add_cfg_pkt(struct wilc_vif *vif, u8 *buffer, + u32 buffer_size) +{ + struct txq_entry_t *tqe; + struct wilc *wilc = vif->wilc; + + netdev_dbg(vif->ndev, "Adding config packet ...\n"); + if (wilc->quit) { + netdev_dbg(vif->ndev, "Return due to clear function\n"); + complete(&wilc->cfg_event); + return 0; + } + + tqe = kmalloc(sizeof(*tqe), GFP_ATOMIC); + if (!tqe) + return 0; + + tqe->type = WILC_CFG_PKT; + tqe->buffer = buffer; + tqe->buffer_size = buffer_size; + tqe->tx_complete_func = NULL; + tqe->priv = NULL; + tqe->ack_idx = NOT_TCP_ACK; + tqe->vif = vif; + + wilc_wlan_txq_add_to_head(vif, tqe); + + return 1; +} + +int wilc_wlan_txq_add_net_pkt(struct net_device *dev, void *priv, u8 *buffer, + u32 buffer_size, + void (*tx_complete_fn)(void *, int)) +{ + struct txq_entry_t *tqe; + struct wilc_vif *vif = netdev_priv(dev); + struct wilc *wilc; + + wilc = vif->wilc; + + if (wilc->quit) + return 0; + + tqe = kmalloc(sizeof(*tqe), GFP_ATOMIC); + + if (!tqe) + return 0; + tqe->type = WILC_NET_PKT; + tqe->buffer = buffer; + tqe->buffer_size = buffer_size; + tqe->tx_complete_func = tx_complete_fn; + tqe->priv = priv; + tqe->vif = vif; + + tqe->ack_idx = NOT_TCP_ACK; + if (vif->ack_filter.enabled) + tcp_process(dev, tqe); + wilc_wlan_txq_add_to_tail(dev, tqe); + return wilc->txq_entries; +} + +int wilc_wlan_txq_add_mgmt_pkt(struct net_device *dev, void *priv, u8 *buffer, + u32 buffer_size, + void (*tx_complete_fn)(void *, int)) +{ + struct txq_entry_t *tqe; + struct wilc_vif *vif = netdev_priv(dev); + struct wilc *wilc; + + wilc = vif->wilc; + + if (wilc->quit) + return 0; + + tqe = kmalloc(sizeof(*tqe), GFP_ATOMIC); + + if (!tqe) + return 0; + tqe->type = WILC_MGMT_PKT; + tqe->buffer = buffer; + tqe->buffer_size = buffer_size; + tqe->tx_complete_func = tx_complete_fn; + tqe->priv = priv; + tqe->ack_idx = NOT_TCP_ACK; + tqe->vif = vif; + wilc_wlan_txq_add_to_tail(dev, tqe); + return 1; +} + +static struct txq_entry_t *wilc_wlan_txq_get_first(struct wilc *wilc) +{ + struct txq_entry_t *tqe = NULL; + unsigned long flags; + + spin_lock_irqsave(&wilc->txq_spinlock, flags); + + if (!list_empty(&wilc->txq_head.list)) + tqe = list_first_entry(&wilc->txq_head.list, struct txq_entry_t, + list); + + spin_unlock_irqrestore(&wilc->txq_spinlock, flags); + + return tqe; +} + +static struct txq_entry_t *wilc_wlan_txq_get_next(struct wilc *wilc, + struct txq_entry_t *tqe) +{ + unsigned long flags; + + spin_lock_irqsave(&wilc->txq_spinlock, flags); + + if (!list_is_last(&tqe->list, &wilc->txq_head.list)) + tqe = list_next_entry(tqe, list); + else + tqe = NULL; + spin_unlock_irqrestore(&wilc->txq_spinlock, flags); + + return tqe; +} + +static void wilc_wlan_rxq_add(struct wilc *wilc, struct rxq_entry_t *rqe) +{ + if (wilc->quit) + return; + + mutex_lock(&wilc->rxq_cs); + list_add_tail(&rqe->list, &wilc->rxq_head.list); + mutex_unlock(&wilc->rxq_cs); +} + +static struct rxq_entry_t *wilc_wlan_rxq_remove(struct wilc *wilc) +{ + struct rxq_entry_t *rqe = NULL; + + mutex_lock(&wilc->rxq_cs); + if (!list_empty(&wilc->rxq_head.list)) { + rqe = list_first_entry(&wilc->rxq_head.list, struct rxq_entry_t, + list); + list_del(&rqe->list); + } + mutex_unlock(&wilc->rxq_cs); + return rqe; +} + +void chip_allow_sleep(struct wilc *wilc) +{ + u32 reg = 0; + + wilc->hif_func->hif_read_reg(wilc, WILC_SDIO_WAKEUP_REG, ®); + + wilc->hif_func->hif_write_reg(wilc, WILC_SDIO_WAKEUP_REG, + reg & ~WILC_SDIO_WAKEUP_BIT); + wilc->hif_func->hif_write_reg(wilc, WILC_SDIO_HOST_TO_FW_REG, 0); +} +EXPORT_SYMBOL_GPL(chip_allow_sleep); + +void chip_wakeup(struct wilc *wilc) +{ + u32 reg, clk_status_reg; + const struct wilc_hif_func *h = wilc->hif_func; + + if (wilc->io_type == WILC_HIF_SPI) { + do { + h->hif_read_reg(wilc, WILC_SPI_WAKEUP_REG, ®); + h->hif_write_reg(wilc, WILC_SPI_WAKEUP_REG, + reg | WILC_SPI_WAKEUP_BIT); + h->hif_write_reg(wilc, WILC_SPI_WAKEUP_REG, + reg & ~WILC_SPI_WAKEUP_BIT); + + do { + usleep_range(2000, 2500); + wilc_get_chipid(wilc, true); + } while (wilc_get_chipid(wilc, true) == 0); + } while (wilc_get_chipid(wilc, true) == 0); + } else if (wilc->io_type == WILC_HIF_SDIO) { + h->hif_write_reg(wilc, WILC_SDIO_HOST_TO_FW_REG, + WILC_SDIO_HOST_TO_FW_BIT); + usleep_range(200, 400); + h->hif_read_reg(wilc, WILC_SDIO_WAKEUP_REG, ®); + do { + h->hif_write_reg(wilc, WILC_SDIO_WAKEUP_REG, + reg | WILC_SDIO_WAKEUP_BIT); + h->hif_read_reg(wilc, WILC_SDIO_CLK_STATUS_REG, + &clk_status_reg); + + while (!(clk_status_reg & WILC_SDIO_CLK_STATUS_BIT)) { + usleep_range(2000, 2500); + + h->hif_read_reg(wilc, WILC_SDIO_CLK_STATUS_REG, + &clk_status_reg); + } + if (!(clk_status_reg & WILC_SDIO_CLK_STATUS_BIT)) { + h->hif_write_reg(wilc, WILC_SDIO_WAKEUP_REG, + reg & ~WILC_SDIO_WAKEUP_BIT); + } + } while (!(clk_status_reg & WILC_SDIO_CLK_STATUS_BIT)); + } + + if (wilc->chip_ps_state == WILC_CHIP_SLEEPING_MANUAL) { + if (wilc_get_chipid(wilc, false) < WILC_1000_BASE_ID_2B) { + u32 val32; + + h->hif_read_reg(wilc, WILC_REG_4_TO_1_RX, &val32); + val32 |= BIT(6); + h->hif_write_reg(wilc, WILC_REG_4_TO_1_RX, val32); + + h->hif_read_reg(wilc, WILC_REG_4_TO_1_TX_BANK0, &val32); + val32 |= BIT(6); + h->hif_write_reg(wilc, WILC_REG_4_TO_1_TX_BANK0, val32); + } + } + wilc->chip_ps_state = WILC_CHIP_WAKEDUP; +} +EXPORT_SYMBOL_GPL(chip_wakeup); + +void host_wakeup_notify(struct wilc *wilc) +{ + acquire_bus(wilc, WILC_BUS_ACQUIRE_ONLY); + wilc->hif_func->hif_write_reg(wilc, WILC_CORTUS_INTERRUPT_2, 1); + release_bus(wilc, WILC_BUS_RELEASE_ONLY); +} +EXPORT_SYMBOL_GPL(host_wakeup_notify); + +void host_sleep_notify(struct wilc *wilc) +{ + acquire_bus(wilc, WILC_BUS_ACQUIRE_ONLY); + wilc->hif_func->hif_write_reg(wilc, WILC_CORTUS_INTERRUPT_1, 1); + release_bus(wilc, WILC_BUS_RELEASE_ONLY); +} +EXPORT_SYMBOL_GPL(host_sleep_notify); + +int wilc_wlan_handle_txq(struct wilc *wilc, u32 *txq_count) +{ + int i, entries = 0; + u32 sum; + u32 reg; + u32 offset = 0; + int vmm_sz = 0; + struct txq_entry_t *tqe; + int ret = 0; + int counter; + int timeout; + u32 vmm_table[WILC_VMM_TBL_SIZE]; + const struct wilc_hif_func *func; + u8 *txb = wilc->tx_buffer; + struct net_device *dev; + struct wilc_vif *vif; + + if (wilc->quit) + goto out_update_cnt; + + mutex_lock(&wilc->txq_add_to_head_cs); + tqe = wilc_wlan_txq_get_first(wilc); + if (!tqe) + goto out_unlock; + dev = tqe->vif->ndev; + wilc_wlan_txq_filter_dup_tcp_ack(dev); + i = 0; + sum = 0; + while (tqe && (i < (WILC_VMM_TBL_SIZE - 1))) { + if (tqe->type == WILC_CFG_PKT) + vmm_sz = ETH_CONFIG_PKT_HDR_OFFSET; + else if (tqe->type == WILC_NET_PKT) + vmm_sz = ETH_ETHERNET_HDR_OFFSET; + else + vmm_sz = HOST_HDR_OFFSET; + + vmm_sz += tqe->buffer_size; + vmm_sz = ALIGN(vmm_sz, 4); + + if ((sum + vmm_sz) > WILC_TX_BUFF_SIZE) + break; + + vmm_table[i] = vmm_sz / 4; + if (tqe->type == WILC_CFG_PKT) + vmm_table[i] |= BIT(10); + cpu_to_le32s(&vmm_table[i]); + + i++; + sum += vmm_sz; + tqe = wilc_wlan_txq_get_next(wilc, tqe); + } + + if (i == 0) + goto out_unlock; + vmm_table[i] = 0x0; + + acquire_bus(wilc, WILC_BUS_ACQUIRE_AND_WAKEUP); + counter = 0; + func = wilc->hif_func; + do { + ret = func->hif_read_reg(wilc, WILC_HOST_TX_CTRL, ®); + if (ret) + break; + + if ((reg & 0x1) == 0) + break; + + counter++; + if (counter > 200) { + counter = 0; + ret = func->hif_write_reg(wilc, WILC_HOST_TX_CTRL, 0); + break; + } + } while (!wilc->quit); + + if (ret) + goto out_release_bus; + + timeout = 200; + do { + ret = func->hif_block_tx(wilc, + WILC_VMM_TBL_RX_SHADOW_BASE, + (u8 *)vmm_table, + ((i + 1) * 4)); + if (ret) + break; + + ret = func->hif_write_reg(wilc, WILC_HOST_VMM_CTL, 0x2); + if (ret) + break; + + do { + ret = func->hif_read_reg(wilc, WILC_HOST_VMM_CTL, ®); + if (ret) + break; + if (FIELD_GET(WILC_VMM_ENTRY_AVAILABLE, reg)) { + entries = FIELD_GET(WILC_VMM_ENTRY_COUNT, reg); + break; + } + } while (--timeout); + if (timeout <= 0) { + ret = func->hif_write_reg(wilc, WILC_HOST_VMM_CTL, 0x0); + break; + } + + if (ret) + break; + + if (entries == 0) { + ret = func->hif_read_reg(wilc, WILC_HOST_TX_CTRL, ®); + if (ret) + break; + reg &= ~BIT(0); + ret = func->hif_write_reg(wilc, WILC_HOST_TX_CTRL, reg); + } + } while (0); + + if (ret) + goto out_release_bus; + + if (entries == 0) { + /* + * No VMM space available in firmware so retry to transmit + * the packet from tx queue. + */ + ret = WILC_VMM_ENTRY_FULL_RETRY; + goto out_release_bus; + } + + release_bus(wilc, WILC_BUS_RELEASE_ALLOW_SLEEP); + + offset = 0; + i = 0; + do { + u32 header, buffer_offset; + char *bssid; + u8 mgmt_ptk = 0; + + tqe = wilc_wlan_txq_remove_from_head(dev); + if (!tqe) + break; + + vif = tqe->vif; + if (vmm_table[i] == 0) + break; + + le32_to_cpus(&vmm_table[i]); + vmm_sz = FIELD_GET(WILC_VMM_BUFFER_SIZE, vmm_table[i]); + vmm_sz *= 4; + + if (tqe->type == WILC_MGMT_PKT) + mgmt_ptk = 1; + + header = (FIELD_PREP(WILC_VMM_HDR_TYPE, tqe->type) | + FIELD_PREP(WILC_VMM_HDR_MGMT_FIELD, mgmt_ptk) | + FIELD_PREP(WILC_VMM_HDR_PKT_SIZE, tqe->buffer_size) | + FIELD_PREP(WILC_VMM_HDR_BUFF_SIZE, vmm_sz)); + + cpu_to_le32s(&header); + memcpy(&txb[offset], &header, 4); + if (tqe->type == WILC_CFG_PKT) { + buffer_offset = ETH_CONFIG_PKT_HDR_OFFSET; + } else if (tqe->type == WILC_NET_PKT) { + bssid = tqe->vif->bssid; + buffer_offset = ETH_ETHERNET_HDR_OFFSET; + memcpy(&txb[offset + 8], bssid, 6); + } else { + buffer_offset = HOST_HDR_OFFSET; + } + + memcpy(&txb[offset + buffer_offset], + tqe->buffer, tqe->buffer_size); + offset += vmm_sz; + i++; + tqe->status = 1; + if (tqe->tx_complete_func) + tqe->tx_complete_func(tqe->priv, tqe->status); + if (tqe->ack_idx != NOT_TCP_ACK && + tqe->ack_idx < MAX_PENDING_ACKS) + vif->ack_filter.pending_acks[tqe->ack_idx].txqe = NULL; + kfree(tqe); + } while (--entries); + + acquire_bus(wilc, WILC_BUS_ACQUIRE_AND_WAKEUP); + + ret = func->hif_clear_int_ext(wilc, ENABLE_TX_VMM); + if (ret) + goto out_release_bus; + + ret = func->hif_block_tx_ext(wilc, 0, txb, offset); + +out_release_bus: + release_bus(wilc, WILC_BUS_RELEASE_ALLOW_SLEEP); + +out_unlock: + mutex_unlock(&wilc->txq_add_to_head_cs); + +out_update_cnt: + *txq_count = wilc->txq_entries; + return ret; +} + +static void wilc_wlan_handle_rx_buff(struct wilc *wilc, u8 *buffer, int size) +{ + int offset = 0; + u32 header; + u32 pkt_len, pkt_offset, tp_len; + int is_cfg_packet; + u8 *buff_ptr; + + do { + buff_ptr = buffer + offset; + header = get_unaligned_le32(buff_ptr); + + is_cfg_packet = FIELD_GET(WILC_PKT_HDR_CONFIG_FIELD, header); + pkt_offset = FIELD_GET(WILC_PKT_HDR_OFFSET_FIELD, header); + tp_len = FIELD_GET(WILC_PKT_HDR_TOTAL_LEN_FIELD, header); + pkt_len = FIELD_GET(WILC_PKT_HDR_LEN_FIELD, header); + + if (pkt_len == 0 || tp_len == 0) + break; + + if (pkt_offset & IS_MANAGMEMENT) { + buff_ptr += HOST_HDR_OFFSET; + wilc_wfi_mgmt_rx(wilc, buff_ptr, pkt_len); + } else { + if (!is_cfg_packet) { + wilc_frmw_to_host(wilc, buff_ptr, pkt_len, + pkt_offset); + } else { + struct wilc_cfg_rsp rsp; + + buff_ptr += pkt_offset; + + wilc_wlan_cfg_indicate_rx(wilc, buff_ptr, + pkt_len, + &rsp); + if (rsp.type == WILC_CFG_RSP) { + if (wilc->cfg_seq_no == rsp.seq_no) + complete(&wilc->cfg_event); + } else if (rsp.type == WILC_CFG_RSP_STATUS) { + wilc_mac_indicate(wilc); + } + } + } + offset += tp_len; + } while (offset < size); +} + +static void wilc_wlan_handle_rxq(struct wilc *wilc) +{ + int size; + u8 *buffer; + struct rxq_entry_t *rqe; + + while (!wilc->quit) { + rqe = wilc_wlan_rxq_remove(wilc); + if (!rqe) + break; + + buffer = rqe->buffer; + size = rqe->buffer_size; + wilc_wlan_handle_rx_buff(wilc, buffer, size); + + kfree(rqe); + } + if (wilc->quit) + complete(&wilc->cfg_event); +} + +static void wilc_unknown_isr_ext(struct wilc *wilc) +{ + wilc->hif_func->hif_clear_int_ext(wilc, 0); +} + +static void wilc_wlan_handle_isr_ext(struct wilc *wilc, u32 int_status) +{ + u32 offset = wilc->rx_buffer_offset; + u8 *buffer = NULL; + u32 size; + u32 retries = 0; + int ret = 0; + struct rxq_entry_t *rqe; + + size = FIELD_GET(WILC_INTERRUPT_DATA_SIZE, int_status) << 2; + + while (!size && retries < 10) { + wilc->hif_func->hif_read_size(wilc, &size); + size = FIELD_GET(WILC_INTERRUPT_DATA_SIZE, size) << 2; + retries++; + } + + if (size <= 0) + return; + + if (WILC_RX_BUFF_SIZE - offset < size) + offset = 0; + + buffer = &wilc->rx_buffer[offset]; + + wilc->hif_func->hif_clear_int_ext(wilc, DATA_INT_CLR | ENABLE_RX_VMM); + ret = wilc->hif_func->hif_block_rx_ext(wilc, 0, buffer, size); + if (ret) + return; + + offset += size; + wilc->rx_buffer_offset = offset; + rqe = kmalloc(sizeof(*rqe), GFP_KERNEL); + if (!rqe) + return; + + rqe->buffer = buffer; + rqe->buffer_size = size; + wilc_wlan_rxq_add(wilc, rqe); + wilc_wlan_handle_rxq(wilc); +} + +void wilc_handle_isr(struct wilc *wilc) +{ + u32 int_status; + + acquire_bus(wilc, WILC_BUS_ACQUIRE_AND_WAKEUP); + wilc->hif_func->hif_read_int(wilc, &int_status); + + if (int_status & DATA_INT_EXT) + wilc_wlan_handle_isr_ext(wilc, int_status); + + if (!(int_status & (ALL_INT_EXT))) + wilc_unknown_isr_ext(wilc); + + release_bus(wilc, WILC_BUS_RELEASE_ALLOW_SLEEP); +} +EXPORT_SYMBOL_GPL(wilc_handle_isr); + +int wilc_wlan_firmware_download(struct wilc *wilc, const u8 *buffer, + u32 buffer_size) +{ + u32 offset; + u32 addr, size, size2, blksz; + u8 *dma_buffer; + int ret = 0; + + blksz = BIT(12); + + dma_buffer = kmalloc(blksz, GFP_KERNEL); + if (!dma_buffer) + return -EIO; + + offset = 0; + do { + addr = get_unaligned_le32(&buffer[offset]); + size = get_unaligned_le32(&buffer[offset + 4]); + acquire_bus(wilc, WILC_BUS_ACQUIRE_ONLY); + offset += 8; + while (((int)size) && (offset < buffer_size)) { + if (size <= blksz) + size2 = size; + else + size2 = blksz; + + memcpy(dma_buffer, &buffer[offset], size2); + ret = wilc->hif_func->hif_block_tx(wilc, addr, + dma_buffer, size2); + if (ret) + break; + + addr += size2; + offset += size2; + size -= size2; + } + release_bus(wilc, WILC_BUS_RELEASE_ONLY); + + if (ret) + goto fail; + } while (offset < buffer_size); + +fail: + + kfree(dma_buffer); + + return ret; +} + +int wilc_wlan_start(struct wilc *wilc) +{ + u32 reg = 0; + int ret; + u32 chipid; + + if (wilc->io_type == WILC_HIF_SDIO) { + reg = 0; + reg |= BIT(3); + } else if (wilc->io_type == WILC_HIF_SPI) { + reg = 1; + } + acquire_bus(wilc, WILC_BUS_ACQUIRE_ONLY); + ret = wilc->hif_func->hif_write_reg(wilc, WILC_VMM_CORE_CFG, reg); + if (ret) { + release_bus(wilc, WILC_BUS_RELEASE_ONLY); + return ret; + } + reg = 0; + if (wilc->io_type == WILC_HIF_SDIO && wilc->dev_irq_num) + reg |= WILC_HAVE_SDIO_IRQ_GPIO; + + ret = wilc->hif_func->hif_write_reg(wilc, WILC_GP_REG_1, reg); + if (ret) { + release_bus(wilc, WILC_BUS_RELEASE_ONLY); + return ret; + } + + wilc->hif_func->hif_sync_ext(wilc, NUM_INT_EXT); + + ret = wilc->hif_func->hif_read_reg(wilc, WILC_CHIPID, &chipid); + if (ret) { + release_bus(wilc, WILC_BUS_RELEASE_ONLY); + return ret; + } + + wilc->hif_func->hif_read_reg(wilc, WILC_GLB_RESET_0, ®); + if ((reg & BIT(10)) == BIT(10)) { + reg &= ~BIT(10); + wilc->hif_func->hif_write_reg(wilc, WILC_GLB_RESET_0, reg); + wilc->hif_func->hif_read_reg(wilc, WILC_GLB_RESET_0, ®); + } + + reg |= BIT(10); + ret = wilc->hif_func->hif_write_reg(wilc, WILC_GLB_RESET_0, reg); + wilc->hif_func->hif_read_reg(wilc, WILC_GLB_RESET_0, ®); + release_bus(wilc, WILC_BUS_RELEASE_ONLY); + + return ret; +} + +int wilc_wlan_stop(struct wilc *wilc, struct wilc_vif *vif) +{ + u32 reg = 0; + int ret; + + acquire_bus(wilc, WILC_BUS_ACQUIRE_AND_WAKEUP); + + ret = wilc->hif_func->hif_read_reg(wilc, WILC_GP_REG_0, ®); + if (ret) { + netdev_err(vif->ndev, "Error while reading reg\n"); + release_bus(wilc, WILC_BUS_RELEASE_ALLOW_SLEEP); + return ret; + } + + ret = wilc->hif_func->hif_write_reg(wilc, WILC_GP_REG_0, + (reg | WILC_ABORT_REQ_BIT)); + if (ret) { + netdev_err(vif->ndev, "Error while writing reg\n"); + release_bus(wilc, WILC_BUS_RELEASE_ALLOW_SLEEP); + return ret; + } + + ret = wilc->hif_func->hif_read_reg(wilc, WILC_FW_HOST_COMM, ®); + if (ret) { + netdev_err(vif->ndev, "Error while reading reg\n"); + release_bus(wilc, WILC_BUS_RELEASE_ALLOW_SLEEP); + return ret; + } + reg = BIT(0); + + ret = wilc->hif_func->hif_write_reg(wilc, WILC_FW_HOST_COMM, reg); + if (ret) { + netdev_err(vif->ndev, "Error while writing reg\n"); + release_bus(wilc, WILC_BUS_RELEASE_ALLOW_SLEEP); + return ret; + } + + release_bus(wilc, WILC_BUS_RELEASE_ALLOW_SLEEP); + + return 0; +} + +void wilc_wlan_cleanup(struct net_device *dev) +{ + struct txq_entry_t *tqe; + struct rxq_entry_t *rqe; + struct wilc_vif *vif = netdev_priv(dev); + struct wilc *wilc = vif->wilc; + + wilc->quit = 1; + while ((tqe = wilc_wlan_txq_remove_from_head(dev))) { + if (tqe->tx_complete_func) + tqe->tx_complete_func(tqe->priv, 0); + kfree(tqe); + } + + while ((rqe = wilc_wlan_rxq_remove(wilc))) + kfree(rqe); + + kfree(wilc->rx_buffer); + wilc->rx_buffer = NULL; + kfree(wilc->tx_buffer); + wilc->tx_buffer = NULL; + wilc->hif_func->hif_deinit(NULL); +} + +static int wilc_wlan_cfg_commit(struct wilc_vif *vif, int type, + u32 drv_handler) +{ + struct wilc *wilc = vif->wilc; + struct wilc_cfg_frame *cfg = &wilc->cfg_frame; + int t_len = wilc->cfg_frame_offset + sizeof(struct wilc_cfg_cmd_hdr); + + if (type == WILC_CFG_SET) + cfg->hdr.cmd_type = 'W'; + else + cfg->hdr.cmd_type = 'Q'; + + cfg->hdr.seq_no = wilc->cfg_seq_no % 256; + cfg->hdr.total_len = cpu_to_le16(t_len); + cfg->hdr.driver_handler = cpu_to_le32(drv_handler); + wilc->cfg_seq_no = cfg->hdr.seq_no; + + if (!wilc_wlan_txq_add_cfg_pkt(vif, (u8 *)&cfg->hdr, t_len)) + return -1; + + return 0; +} + +int wilc_wlan_cfg_set(struct wilc_vif *vif, int start, u16 wid, u8 *buffer, + u32 buffer_size, int commit, u32 drv_handler) +{ + u32 offset; + int ret_size; + struct wilc *wilc = vif->wilc; + + mutex_lock(&wilc->cfg_cmd_lock); + + if (start) + wilc->cfg_frame_offset = 0; + + offset = wilc->cfg_frame_offset; + ret_size = wilc_wlan_cfg_set_wid(wilc->cfg_frame.frame, offset, + wid, buffer, buffer_size); + offset += ret_size; + wilc->cfg_frame_offset = offset; + + if (!commit) { + mutex_unlock(&wilc->cfg_cmd_lock); + return ret_size; + } + + netdev_dbg(vif->ndev, "%s: seqno[%d]\n", __func__, wilc->cfg_seq_no); + + if (wilc_wlan_cfg_commit(vif, WILC_CFG_SET, drv_handler)) + ret_size = 0; + + if (!wait_for_completion_timeout(&wilc->cfg_event, + WILC_CFG_PKTS_TIMEOUT)) { + netdev_dbg(vif->ndev, "%s: Timed Out\n", __func__); + ret_size = 0; + } + + wilc->cfg_frame_offset = 0; + wilc->cfg_seq_no += 1; + mutex_unlock(&wilc->cfg_cmd_lock); + + return ret_size; +} + +int wilc_wlan_cfg_get(struct wilc_vif *vif, int start, u16 wid, int commit, + u32 drv_handler) +{ + u32 offset; + int ret_size; + struct wilc *wilc = vif->wilc; + + mutex_lock(&wilc->cfg_cmd_lock); + + if (start) + wilc->cfg_frame_offset = 0; + + offset = wilc->cfg_frame_offset; + ret_size = wilc_wlan_cfg_get_wid(wilc->cfg_frame.frame, offset, wid); + offset += ret_size; + wilc->cfg_frame_offset = offset; + + if (!commit) { + mutex_unlock(&wilc->cfg_cmd_lock); + return ret_size; + } + + if (wilc_wlan_cfg_commit(vif, WILC_CFG_QUERY, drv_handler)) + ret_size = 0; + + if (!wait_for_completion_timeout(&wilc->cfg_event, + WILC_CFG_PKTS_TIMEOUT)) { + netdev_dbg(vif->ndev, "%s: Timed Out\n", __func__); + ret_size = 0; + } + wilc->cfg_frame_offset = 0; + wilc->cfg_seq_no += 1; + mutex_unlock(&wilc->cfg_cmd_lock); + + return ret_size; +} + +int wilc_send_config_pkt(struct wilc_vif *vif, u8 mode, struct wid *wids, + u32 count) +{ + int i; + int ret = 0; + u32 drv = wilc_get_vif_idx(vif); + + if (mode == WILC_GET_CFG) { + for (i = 0; i < count; i++) { + if (!wilc_wlan_cfg_get(vif, !i, + wids[i].id, + (i == count - 1), + drv)) { + ret = -ETIMEDOUT; + break; + } + } + for (i = 0; i < count; i++) { + wids[i].size = wilc_wlan_cfg_get_val(vif->wilc, + wids[i].id, + wids[i].val, + wids[i].size); + } + } else if (mode == WILC_SET_CFG) { + for (i = 0; i < count; i++) { + if (!wilc_wlan_cfg_set(vif, !i, + wids[i].id, + wids[i].val, + wids[i].size, + (i == count - 1), + drv)) { + ret = -ETIMEDOUT; + break; + } + } + } + + return ret; +} + +static int init_chip(struct net_device *dev) +{ + u32 chipid; + u32 reg; + int ret = 0; + struct wilc_vif *vif = netdev_priv(dev); + struct wilc *wilc = vif->wilc; + + acquire_bus(wilc, WILC_BUS_ACQUIRE_ONLY); + + chipid = wilc_get_chipid(wilc, true); + + if ((chipid & 0xfff) != 0xa0) { + ret = wilc->hif_func->hif_read_reg(wilc, + WILC_CORTUS_RESET_MUX_SEL, + ®); + if (ret) { + netdev_err(dev, "fail read reg 0x1118\n"); + goto release; + } + reg |= BIT(0); + ret = wilc->hif_func->hif_write_reg(wilc, + WILC_CORTUS_RESET_MUX_SEL, + reg); + if (ret) { + netdev_err(dev, "fail write reg 0x1118\n"); + goto release; + } + ret = wilc->hif_func->hif_write_reg(wilc, + WILC_CORTUS_BOOT_REGISTER, + WILC_CORTUS_BOOT_FROM_IRAM); + if (ret) { + netdev_err(dev, "fail write reg 0xc0000\n"); + goto release; + } + } + +release: + release_bus(wilc, WILC_BUS_RELEASE_ONLY); + + return ret; +} + +u32 wilc_get_chipid(struct wilc *wilc, bool update) +{ + static u32 chipid; + u32 tempchipid = 0; + u32 rfrevid = 0; + + if (chipid == 0 || update) { + wilc->hif_func->hif_read_reg(wilc, WILC_CHIPID, &tempchipid); + wilc->hif_func->hif_read_reg(wilc, WILC_RF_REVISION_ID, + &rfrevid); + if (!is_wilc1000(tempchipid)) { + chipid = 0; + return chipid; + } + if (tempchipid == WILC_1000_BASE_ID_2A) { /* 0x1002A0 */ + if (rfrevid != 0x1) + tempchipid = WILC_1000_BASE_ID_2A_REV1; + } else if (tempchipid == WILC_1000_BASE_ID_2B) { /* 0x1002B0 */ + if (rfrevid == 0x4) + tempchipid = WILC_1000_BASE_ID_2B_REV1; + else if (rfrevid != 0x3) + tempchipid = WILC_1000_BASE_ID_2B_REV2; + } + + chipid = tempchipid; + } + return chipid; +} + +int wilc_wlan_init(struct net_device *dev) +{ + int ret = 0; + struct wilc_vif *vif = netdev_priv(dev); + struct wilc *wilc; + + wilc = vif->wilc; + + wilc->quit = 0; + + if (wilc->hif_func->hif_init(wilc, false)) { + ret = -EIO; + goto fail; + } + + if (!wilc->tx_buffer) + wilc->tx_buffer = kmalloc(WILC_TX_BUFF_SIZE, GFP_KERNEL); + + if (!wilc->tx_buffer) { + ret = -ENOBUFS; + goto fail; + } + + if (!wilc->rx_buffer) + wilc->rx_buffer = kmalloc(WILC_RX_BUFF_SIZE, GFP_KERNEL); + + if (!wilc->rx_buffer) { + ret = -ENOBUFS; + goto fail; + } + + if (init_chip(dev)) { + ret = -EIO; + goto fail; + } + + return 0; + +fail: + + kfree(wilc->rx_buffer); + wilc->rx_buffer = NULL; + kfree(wilc->tx_buffer); + wilc->tx_buffer = NULL; + + return ret; +} From patchwork Mon Mar 2 16:34:39 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ajay Singh X-Patchwork-Id: 203945 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=-9.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=ham 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 677D4C3F2E0 for ; 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Signed-off-by: Ajay Singh --- drivers/net/wireless/microchip/wilc1000/fw.h | 119 +++++++++++++++++++ 1 file changed, 119 insertions(+) create mode 100644 drivers/net/wireless/microchip/wilc1000/fw.h diff --git a/drivers/net/wireless/microchip/wilc1000/fw.h b/drivers/net/wireless/microchip/wilc1000/fw.h new file mode 100644 index 000000000000..a76e1dea4345 --- /dev/null +++ b/drivers/net/wireless/microchip/wilc1000/fw.h @@ -0,0 +1,119 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (c) 2012 - 2018 Microchip Technology Inc., and its subsidiaries. + * All rights reserved. + */ + +#ifndef WILC_FW_H +#define WILC_FW_H + +#include + +#define WILC_MAX_NUM_STA 9 +#define WILC_MAX_RATES_SUPPORTED 12 +#define WILC_MAX_NUM_PMKIDS 16 +#define WILC_MAX_NUM_SCANNED_CH 14 + +struct wilc_assoc_resp { + __le16 capab_info; + __le16 status_code; + __le16 aid; +} __packed; + +struct wilc_pmkid { + u8 bssid[ETH_ALEN]; + u8 pmkid[WLAN_PMKID_LEN]; +} __packed; + +struct wilc_pmkid_attr { + u8 numpmkid; + struct wilc_pmkid pmkidlist[WILC_MAX_NUM_PMKIDS]; +} __packed; + +struct wilc_reg_frame { + u8 reg; + u8 reg_id; + __le16 frame_type; +} __packed; + +struct wilc_drv_handler { + __le32 handler; + u8 mode; +} __packed; + +struct wilc_wep_key { + u8 index; + u8 key_len; + u8 key[0]; +} __packed; + +struct wilc_sta_wpa_ptk { + u8 mac_addr[ETH_ALEN]; + u8 key_len; + u8 key[0]; +} __packed; + +struct wilc_ap_wpa_ptk { + u8 mac_addr[ETH_ALEN]; + u8 index; + u8 key_len; + u8 key[0]; +} __packed; + +struct wilc_gtk_key { + u8 mac_addr[ETH_ALEN]; + u8 rsc[8]; + u8 index; + u8 key_len; + u8 key[0]; +} __packed; + +struct wilc_op_mode { + __le32 mode; +} __packed; + +struct wilc_noa_opp_enable { + u8 ct_window; + u8 cnt; + __le32 duration; + __le32 interval; + __le32 start_time; +} __packed; + +struct wilc_noa_opp_disable { + u8 cnt; + __le32 duration; + __le32 interval; + __le32 start_time; +} __packed; + +struct wilc_join_bss_param { + char ssid[IEEE80211_MAX_SSID_LEN]; + u8 ssid_terminator; + u8 bss_type; + u8 ch; + __le16 cap_info; + u8 sa[ETH_ALEN]; + u8 bssid[ETH_ALEN]; + __le16 beacon_period; + u8 dtim_period; + u8 supp_rates[WILC_MAX_RATES_SUPPORTED + 1]; + u8 wmm_cap; + u8 uapsd_cap; + u8 ht_capable; + u8 rsn_found; + u8 rsn_grp_policy; + u8 mode_802_11i; + u8 p_suites[3]; + u8 akm_suites[3]; + u8 rsn_cap[2]; + u8 noa_enabled; + __le32 tsf_lo; + u8 idx; + u8 opp_enabled; + union { + struct wilc_noa_opp_disable opp_dis; + struct wilc_noa_opp_enable opp_en; + }; +} __packed; +#endif From patchwork Mon Mar 2 16:34:40 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ajay Singh X-Patchwork-Id: 203943 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=-9.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=ham 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 4E83FC3F2DA for ; 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b=W1aAlZxrWFuofi53tWBbbphRudtcAhDdHWx2EYlS9WYrbxXRtRfDuFwUtJM9uKijI29X4LQUxVEJZq9gCbrmEhfMgxmB4gH0gCw0ArLVl+JiSz2vA9L7WulrXCS1e1xgvmSjo6MYJXuXqY+vl1s+EUEkO7gvHMZwYRuQjlt1uzQ= Received: from BN6PR11MB3985.namprd11.prod.outlook.com (2603:10b6:405:7b::14) by BN6PR11MB4098.namprd11.prod.outlook.com (2603:10b6:405:7f::36) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2772.18; Mon, 2 Mar 2020 16:34:41 +0000 Received: from BN6PR11MB3985.namprd11.prod.outlook.com ([fe80::ec62:e7fd:f17c:dfd4]) by BN6PR11MB3985.namprd11.prod.outlook.com ([fe80::ec62:e7fd:f17c:dfd4%3]) with mapi id 15.20.2772.019; Mon, 2 Mar 2020 16:34:41 +0000 From: To: CC: , , , , , , , , Subject: [PATCH v4 17/18] dt: bindings: net: add microchip, wilc1000, spi.yaml Thread-Topic: [PATCH v4 17/18] dt: bindings: net: add microchip,wilc1000,spi.yaml Thread-Index: AQHV8LB4yeo407y5WkaMy3sgQWSapA== Date: Mon, 2 Mar 2020 16:34:40 +0000 Message-ID: <20200302163414.4342-18-ajay.kathat@microchip.com> References: <20200302163414.4342-1-ajay.kathat@microchip.com> In-Reply-To: <20200302163414.4342-1-ajay.kathat@microchip.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-mailer: git-send-email 2.17.1 x-originating-ip: [121.244.27.38] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: e67eceb3-183f-48ee-25d8-08d7bec79b81 x-ms-traffictypediagnostic: BN6PR11MB4098: x-ms-exchange-transport-forked: True x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:6790; 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Signed-off-by: Ajay Singh --- .../net/wireless/microchip,wilc1000,spi.yaml | 61 +++++++++++++++++++ 1 file changed, 61 insertions(+) create mode 100644 Documentation/devicetree/bindings/net/wireless/microchip,wilc1000,spi.yaml diff --git a/Documentation/devicetree/bindings/net/wireless/microchip,wilc1000,spi.yaml b/Documentation/devicetree/bindings/net/wireless/microchip,wilc1000,spi.yaml new file mode 100644 index 000000000000..cc8ed64ce627 --- /dev/null +++ b/Documentation/devicetree/bindings/net/wireless/microchip,wilc1000,spi.yaml @@ -0,0 +1,61 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/net/wireless/microchip,wilc1000,spi.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Microchip WILC wireless SPI devicetree bindings + +maintainers: + - Adham Abozaeid + - Ajay Singh + +description: + The wilc1000 chips can be connected via SPI. This document describes + the binding for the SPI connected module. + +properties: + compatible: + const: microchip,wilc1000-spi + + spi-max-frequency: + description: Maximum SPI clocking speed of device in Hz. + maxItems: 1 + + reg: + description: Chip select address of device. + maxItems: 1 + + irq-gpios: + description: The GPIO phandle connect to a host IRQ. + maxItems: 1 + + clocks: + description: phandle to the clock connected on rtc clock line. + maxItems: 1 + +required: + - compatible + - spi-max-frequency + - reg + - irq-gpios + +examples: + - | + spi1: spi@fc018000 { + #address-cells = <1>; + #size-cells = <0>; + cs-gpios = <&pioB 21 0>; + status = "okay"; + wilc_spi@0 { + compatible = "microchip,wilc1000-spi"; + spi-max-frequency = <48000000>; + reg = <0>; + irq-gpios = <&pioC 27 0>; + clocks = <&pck1>; + clock-names = "rtc_clk"; + assigned-clocks = <&pck1>; + assigned-clock-rates = <32768>; + status = "okay"; + }; + }; From patchwork Mon Mar 2 16:34:41 2020 Content-Type: text/plain; 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Mon, 2 Mar 2020 16:34:41 +0000 From: To: CC: , , , , , , , , Subject: [PATCH v4 18/18] wilc1000: add Makefile and Kconfig files for wilc1000 compilation Thread-Topic: [PATCH v4 18/18] wilc1000: add Makefile and Kconfig files for wilc1000 compilation Thread-Index: AQHV8LB5xGU60tG2HUSrU+o9veURfA== Date: Mon, 2 Mar 2020 16:34:41 +0000 Message-ID: <20200302163414.4342-19-ajay.kathat@microchip.com> References: <20200302163414.4342-1-ajay.kathat@microchip.com> In-Reply-To: <20200302163414.4342-1-ajay.kathat@microchip.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-mailer: git-send-email 2.17.1 x-originating-ip: [121.244.27.38] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 90aca1c4-c05f-4637-c6ee-08d7bec79bde x-ms-traffictypediagnostic: BN6PR11MB4098: x-ms-exchange-transport-forked: True x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:4941; x-forefront-prvs: 033054F29A x-forefront-antispam-report: SFV:NSPM; SFS:(10009020)(376002)(396003)(39860400002)(136003)(366004)(346002)(199004)(189003)(316002)(6916009)(86362001)(6512007)(2616005)(478600001)(71200400001)(54906003)(4326008)(64756008)(186003)(107886003)(66446008)(5660300002)(91956017)(76116006)(8676002)(66476007)(66946007)(6486002)(6506007)(66556008)(26005)(81156014)(81166006)(2906002)(1076003)(36756003)(8936002); DIR:OUT; SFP:1101; SCL:1; SRVR:BN6PR11MB4098; H:BN6PR11MB3985.namprd11.prod.outlook.com; FPR:; SPF:None; LANG:en; PTR:InfoNoRecords; A:1; MX:1; received-spf: None (protection.outlook.com: microchip.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam: BCL:0; x-microsoft-antispam-message-info: UiJ8iUeOOrrjhgY21lwk0LUlKAdsa3zKaDmTb1t7oy4Tfk9iwka9w3KNWZI5vKSNdWGm34n/DghdYq57NGK0l3Wp0kWlziAcGhcF62lYVHzUdNlmW7gIyfQluPuKj0euzx3O6zko/ZTJ2Ks/rdkhmd4Cq+6o+ZGChhgVYmcDpT16gUyY9WZKFN9ibpJ4HXuqYl+lTtUOCFnI9X/bPWkBVJfg63QOnJXOukpRLJ6e1HZMAvZYcRBtHnyxgnwhRRiyShgIOMfupp7ukqRsiTqiW5BczWH+WbAcldfGQrXB1iecK1PkJOLZlROH6jNSfyXQ/AE+YDV7ItnV5CSprtuNE38HmNyGqhMWiGftRqlu+JGNdEmBc1OnLUXshqu9QPF17S05PbFzlFB8M56O94IUk8Uy3u86RhSJLKNDeIUKG1J78USGs+ssQXpuuqimdISG x-ms-exchange-antispam-messagedata: QCxks+pzcYh66I2Mds5EcY1gWwisMx9rCWtwfKUajE5hoU0/uRqObrh2vjvKRjokn+8+nuoSa8GjVlOkwoedwfYw2AVKk2nS1lpyp5t3ni8W0EYNvNoqJbZZvcCveoj+VZTBq/6v8DypDb9DrFRaLQ== MIME-Version: 1.0 X-MS-Exchange-CrossTenant-Network-Message-Id: 90aca1c4-c05f-4637-c6ee-08d7bec79bde X-MS-Exchange-CrossTenant-originalarrivaltime: 02 Mar 2020 16:34:41.6973 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 3f4057f3-b418-4d4e-ba84-d55b4e897d88 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: 9NSc+vLmMa8d5y0imIEWL/YHGlC2BpEXVynVY8X1qLPXFzr5k7QJBBCuQSZ52OjHDF/ub+2BlREmiyU3jNmNKrnOGYktCJFY4bCdqmjkFyM= X-MS-Exchange-Transport-CrossTenantHeadersStamped: BN6PR11MB4098 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org From: Ajay Singh Added Makefile and Kconfig files for compiling wilc1000 module from 'drivers/net/wireless/microchip/'. Signed-off-by: Ajay Singh --- drivers/net/wireless/Kconfig | 1 + drivers/net/wireless/Makefile | 1 + drivers/net/wireless/microchip/Kconfig | 15 +++++++ drivers/net/wireless/microchip/Makefile | 2 + .../net/wireless/microchip/wilc1000/Kconfig | 42 +++++++++++++++++++ .../net/wireless/microchip/wilc1000/Makefile | 14 +++++++ drivers/staging/Kconfig | 2 - drivers/staging/Makefile | 1 - 8 files changed, 75 insertions(+), 3 deletions(-) create mode 100644 drivers/net/wireless/microchip/Kconfig create mode 100644 drivers/net/wireless/microchip/Makefile create mode 100644 drivers/net/wireless/microchip/wilc1000/Kconfig create mode 100644 drivers/net/wireless/microchip/wilc1000/Makefile diff --git a/drivers/net/wireless/Kconfig b/drivers/net/wireless/Kconfig index 1c98d781ae49..86faf8f3d9b0 100644 --- a/drivers/net/wireless/Kconfig +++ b/drivers/net/wireless/Kconfig @@ -47,6 +47,7 @@ source "drivers/net/wireless/st/Kconfig" source "drivers/net/wireless/ti/Kconfig" source "drivers/net/wireless/zydas/Kconfig" source "drivers/net/wireless/quantenna/Kconfig" +source "drivers/net/wireless/microchip/Kconfig" config PCMCIA_RAYCS tristate "Aviator/Raytheon 2.4GHz wireless support" diff --git a/drivers/net/wireless/Makefile b/drivers/net/wireless/Makefile index 6cfe74515c95..f9a51c2889ca 100644 --- a/drivers/net/wireless/Makefile +++ b/drivers/net/wireless/Makefile @@ -19,6 +19,7 @@ obj-$(CONFIG_WLAN_VENDOR_ST) += st/ obj-$(CONFIG_WLAN_VENDOR_TI) += ti/ obj-$(CONFIG_WLAN_VENDOR_ZYDAS) += zydas/ obj-$(CONFIG_WLAN_VENDOR_QUANTENNA) += quantenna/ +obj-$(CONFIG_WLAN_VENDOR_MICROCHIP) += microchip/ # 16-bit wireless PCMCIA client drivers obj-$(CONFIG_PCMCIA_RAYCS) += ray_cs.o diff --git a/drivers/net/wireless/microchip/Kconfig b/drivers/net/wireless/microchip/Kconfig new file mode 100644 index 000000000000..a6b46fb6b1ec --- /dev/null +++ b/drivers/net/wireless/microchip/Kconfig @@ -0,0 +1,15 @@ +# SPDX-License-Identifier: GPL-2.0 +config WLAN_VENDOR_MICROCHIP + bool "Microchip devices" + default y + help + If you have a wireless card belonging to this class, say Y. + + Note that the answer to this question doesn't directly affect the + kernel: saying N will just cause the configurator to skip all the + questions about these cards. If you say Y, you will be asked for + your specific card in the following questions. + +if WLAN_VENDOR_MICROCHIP +source "drivers/net/wireless/microchip/wilc1000/Kconfig" +endif # WLAN_VENDOR_MICROCHIP diff --git a/drivers/net/wireless/microchip/Makefile b/drivers/net/wireless/microchip/Makefile new file mode 100644 index 000000000000..73b763c7393e --- /dev/null +++ b/drivers/net/wireless/microchip/Makefile @@ -0,0 +1,2 @@ +# SPDX-License-Identifier: GPL-2.0 +obj-$(CONFIG_WILC1000) += wilc1000/ diff --git a/drivers/net/wireless/microchip/wilc1000/Kconfig b/drivers/net/wireless/microchip/wilc1000/Kconfig new file mode 100644 index 000000000000..59e58550d139 --- /dev/null +++ b/drivers/net/wireless/microchip/wilc1000/Kconfig @@ -0,0 +1,42 @@ +# SPDX-License-Identifier: GPL-2.0 +config WILC1000 + tristate + help + This module only support IEEE 802.11n WiFi. + +config WILC1000_SDIO + tristate "Atmel WILC1000 SDIO (WiFi only)" + depends on CFG80211 && INET && MMC + select WILC1000 + help + This module adds support for the SDIO interface of adapters using + WILC1000 chipset. The Atmel WILC1000 SDIO is a full speed interface. + It meets SDIO card specification version 2.0. The interface supports + the 1-bit/4-bit SD transfer mode at the clock range of 0-50 MHz. + The host can use this interface to read and write from any register + within the chip as well as configure the WILC1000 for data DMA. + To use this interface, pin9 (SDIO_SPI_CFG) must be grounded. Select + this if your platform is using the SDIO bus. + +config WILC1000_SPI + tristate "Atmel WILC1000 SPI (WiFi only)" + depends on CFG80211 && INET && SPI + select WILC1000 + help + This module adds support for the SPI interface of adapters using + WILC1000 chipset. The Atmel WILC1000 has a Serial Peripheral + Interface (SPI) that operates as a SPI slave. This SPI interface can + be used for control and for serial I/O of 802.11 data. The SPI is a + full-duplex slave synchronous serial interface that is available + immediately following reset when pin 9 (SDIO_SPI_CFG) is tied to + VDDIO. Select this if your platform is using the SPI bus. + +config WILC1000_HW_OOB_INTR + bool "WILC1000 out of band interrupt" + depends on WILC1000_SDIO + help + This option enables out-of-band interrupt support for the WILC1000 + chipset. This OOB interrupt is intended to provide a faster interrupt + mechanism for SDIO host controllers that don't support SDIO interrupt. + Select this option If the SDIO host controller in your platform + doesn't support SDIO time devision interrupt. diff --git a/drivers/net/wireless/microchip/wilc1000/Makefile b/drivers/net/wireless/microchip/wilc1000/Makefile new file mode 100644 index 000000000000..a3305a0a888a --- /dev/null +++ b/drivers/net/wireless/microchip/wilc1000/Makefile @@ -0,0 +1,14 @@ +# SPDX-License-Identifier: GPL-2.0 +obj-$(CONFIG_WILC1000) += wilc1000.o + +ccflags-y += -DFIRMWARE_1002=\"atmel/wilc1002_firmware.bin\" \ + -DFIRMWARE_1003=\"atmel/wilc1003_firmware.bin\" + +wilc1000-objs := cfg80211.o netdev.o mon.o \ + hif.o wlan_cfg.o wlan.o + +obj-$(CONFIG_WILC1000_SDIO) += wilc1000-sdio.o +wilc1000-sdio-objs += sdio.o + +obj-$(CONFIG_WILC1000_SPI) += wilc1000-spi.o +wilc1000-spi-objs += spi.o diff --git a/drivers/staging/Kconfig b/drivers/staging/Kconfig index baccd7c883cc..ef5e62e46704 100644 --- a/drivers/staging/Kconfig +++ b/drivers/staging/Kconfig @@ -80,8 +80,6 @@ source "drivers/staging/fbtft/Kconfig" source "drivers/staging/fsl-dpaa2/Kconfig" -source "drivers/staging/wilc1000/Kconfig" - source "drivers/staging/most/Kconfig" source "drivers/staging/ks7010/Kconfig" diff --git a/drivers/staging/Makefile b/drivers/staging/Makefile index fdd03fd6e704..4db5165cb08b 100644 --- a/drivers/staging/Makefile +++ b/drivers/staging/Makefile @@ -30,7 +30,6 @@ obj-$(CONFIG_UNISYSSPAR) += unisys/ obj-$(CONFIG_COMMON_CLK_XLNX_CLKWZRD) += clocking-wizard/ obj-$(CONFIG_FB_TFT) += fbtft/ obj-$(CONFIG_FSL_DPAA2) += fsl-dpaa2/ -obj-$(CONFIG_WILC1000) += wilc1000/ obj-$(CONFIG_MOST) += most/ obj-$(CONFIG_KS7010) += ks7010/ obj-$(CONFIG_GREYBUS) += greybus/