From patchwork Wed Sep 26 10:25:10 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ajay Singh X-Patchwork-Id: 10615629 X-Patchwork-Delegate: kvalo@adurom.com Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id C3A0B15A6 for ; Wed, 26 Sep 2018 10:25:54 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id B53B32A7A4 for ; Wed, 26 Sep 2018 10:25:54 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id A8BFD2A7B4; Wed, 26 Sep 2018 10:25:54 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 9DAEA2A7A9 for ; Wed, 26 Sep 2018 10:25:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727477AbeIZQiC (ORCPT ); Wed, 26 Sep 2018 12:38:02 -0400 Received: from esa1.microchip.iphmx.com ([68.232.147.91]:39495 "EHLO esa1.microchip.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727447AbeIZQiC (ORCPT ); Wed, 26 Sep 2018 12:38:02 -0400 X-IronPort-AV: E=Sophos;i="5.54,306,1534834800"; d="scan'208";a="21366774" Received: from smtpout.microchip.com (HELO email.microchip.com) ([198.175.253.82]) by esa1.microchip.iphmx.com with ESMTP/TLS/AES128-SHA; 26 Sep 2018 03:25:45 -0700 Received: from ajaysk-VirtualBox.microchip.com (10.10.76.4) by CHN-SV-EXCH01.mchp-main.com (10.10.76.37) with Microsoft SMTP Server id 14.3.352.0; Wed, 26 Sep 2018 03:25:43 -0700 From: Ajay Singh To: CC: , , , , , , , Ajay Singh Subject: [PATCH 04/19] wilc: add host_interface.c Date: Wed, 26 Sep 2018 15:55:10 +0530 Message-ID: <1537957525-11467-5-git-send-email-ajay.kathat@microchip.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1537957525-11467-1-git-send-email-ajay.kathat@microchip.com> References: <1537957525-11467-1-git-send-email-ajay.kathat@microchip.com> MIME-Version: 1.0 Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Moved '/driver/staging/wilc1000/host_interface.c' to 'drivers/net/wireless/microchip/wilc/'. Signed-off-by: Ajay Singh --- .../net/wireless/microchip/wilc/host_interface.c | 3927 ++++++++++++++++++++ 1 file changed, 3927 insertions(+) create mode 100644 drivers/net/wireless/microchip/wilc/host_interface.c diff --git a/drivers/net/wireless/microchip/wilc/host_interface.c b/drivers/net/wireless/microchip/wilc/host_interface.c new file mode 100644 index 0000000..01db899 --- /dev/null +++ b/drivers/net/wireless/microchip/wilc/host_interface.c @@ -0,0 +1,3927 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (c) 2012 - 2018 Microchip Technology Inc., and its subsidiaries. + * All rights reserved. + */ + +#include "wilc_wfi_netdevice.h" + +#define HOST_IF_SCAN_TIMEOUT 4000 +#define HOST_IF_CONNECT_TIMEOUT 9500 + +#define FALSE_FRMWR_CHANNEL 100 + +#define REAL_JOIN_REQ 0 + +struct host_if_wpa_attr { + u8 *key; + const u8 *mac_addr; + u8 *seq; + u8 seq_len; + u8 index; + u8 key_len; + u8 mode; +}; + +struct host_if_wep_attr { + u8 *key; + u8 key_len; + u8 index; + u8 mode; + enum authtype auth_type; +}; + +union host_if_key_attr { + struct host_if_wep_attr wep; + struct host_if_wpa_attr wpa; + struct host_if_pmkid_attr pmkid; +}; + +struct key_attr { + enum KEY_TYPE type; + u8 action; + union host_if_key_attr attr; +}; + +struct scan_attr { + u8 src; + u8 type; + u8 *ch_freq_list; + u8 ch_list_len; + u8 *ies; + size_t ies_len; + wilc_scan_result result; + void *arg; + struct hidden_network hidden_network; +}; + +struct connect_attr { + u8 *bssid; + u8 *ssid; + size_t ssid_len; + u8 *ies; + size_t ies_len; + u8 security; + wilc_connect_result result; + void *arg; + enum authtype auth_type; + u8 ch; + void *params; +}; + +struct rcvd_async_info { + u8 *buffer; + u32 len; +}; + +struct channel_attr { + u8 set_ch; +}; + +struct beacon_attr { + u32 interval; + u32 dtim_period; + u32 head_len; + u8 *head; + u32 tail_len; + u8 *tail; +}; + +struct set_multicast { + bool enabled; + u32 cnt; + u8 *mc_list; +}; + +struct del_all_sta { + u8 del_all_sta[MAX_NUM_STA][ETH_ALEN]; + u8 assoc_sta; +}; + +struct del_sta { + u8 mac_addr[ETH_ALEN]; +}; + +struct power_mgmt_param { + bool enabled; + u32 timeout; +}; + +struct set_ip_addr { + u8 *ip_addr; + u8 idx; +}; + +struct sta_inactive_t { + u32 inactive_time; + u8 mac[6]; +}; + +struct tx_power { + u8 tx_pwr; +}; + +union message_body { + struct scan_attr scan_info; + struct connect_attr con_info; + struct rcvd_net_info net_info; + struct rcvd_async_info async_info; + struct key_attr key_info; + struct cfg_param_attr cfg_info; + struct channel_attr channel_info; + struct beacon_attr beacon_info; + struct add_sta_param add_sta_info; + struct del_sta del_sta_info; + struct add_sta_param edit_sta_info; + struct power_mgmt_param pwr_mgmt_info; + struct sta_inactive_t mac_info; + struct set_ip_addr ip_info; + struct drv_handler drv; + struct set_multicast multicast_info; + struct op_mode mode; + struct get_mac_addr get_mac_info; + struct ba_session_info session_info; + struct remain_ch remain_on_ch; + struct reg_frame reg_frame; + char *data; + struct del_all_sta del_all_sta_info; + struct tx_power tx_power; +}; + +struct host_if_msg { + union message_body body; + struct wilc_vif *vif; + struct work_struct work; + void (*fn)(struct work_struct *ws); + struct completion work_comp; + bool is_sync; +}; + +struct join_bss_param { + enum bss_types bss_type; + u8 dtim_period; + u16 beacon_period; + u16 cap_info; + u8 bssid[6]; + char ssid[MAX_SSID_LEN]; + u8 ssid_len; + u8 supp_rates[MAX_RATES_SUPPORTED + 1]; + u8 ht_capable; + u8 wmm_cap; + u8 uapsd_cap; + bool rsn_found; + u8 rsn_grp_policy; + u8 mode_802_11i; + u8 rsn_pcip_policy[3]; + u8 rsn_auth_policy[3]; + u8 rsn_cap[2]; + u32 tsf; + u8 noa_enabled; + u8 opp_enabled; + u8 ct_window; + u8 cnt; + u8 idx; + u8 duration[4]; + u8 interval[4]; + u8 start_time[4]; +}; + +static struct host_if_drv *terminated_handle; +static struct mutex hif_deinit_lock; + +/* '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; + + if (index < 0 || index >= NUM_CONCURRENT_IFC) + return NULL; + + return wilc->vif[index]; +} + +static void handle_set_channel(struct work_struct *work) +{ + struct host_if_msg *msg = container_of(work, struct host_if_msg, work); + struct wilc_vif *vif = msg->vif; + struct channel_attr *hif_set_ch = &msg->body.channel_info; + int ret; + struct wid wid; + + wid.id = WID_CURRENT_CHANNEL; + wid.type = WID_CHAR; + wid.val = (char *)&hif_set_ch->set_ch; + wid.size = sizeof(char); + + ret = wilc_send_config_pkt(vif, SET_CFG, &wid, 1, + wilc_get_vif_idx(vif)); + + if (ret) + netdev_err(vif->ndev, "Failed to set channel\n"); + kfree(msg); +} + +static void handle_set_wfi_drv_handler(struct work_struct *work) +{ + struct host_if_msg *msg = container_of(work, struct host_if_msg, work); + struct wilc_vif *vif = msg->vif; + struct drv_handler *hif_drv_handler = &msg->body.drv; + int ret; + struct wid wid; + u8 *currbyte, *buffer; + struct host_if_drv *hif_drv; + + if (!vif->hif_drv || !hif_drv_handler) + goto free_msg; + + hif_drv = vif->hif_drv; + + buffer = kzalloc(DRV_HANDLER_SIZE, GFP_KERNEL); + if (!buffer) + goto free_msg; + + currbyte = buffer; + *currbyte = hif_drv->driver_handler_id & DRV_HANDLER_MASK; + currbyte++; + *currbyte = (u32)0 & DRV_HANDLER_MASK; + currbyte++; + *currbyte = (u32)0 & DRV_HANDLER_MASK; + currbyte++; + *currbyte = (u32)0 & DRV_HANDLER_MASK; + currbyte++; + *currbyte = (hif_drv_handler->name | (hif_drv_handler->mode << 1)); + + wid.id = WID_SET_DRV_HANDLER; + wid.type = WID_STR; + wid.val = (s8 *)buffer; + wid.size = DRV_HANDLER_SIZE; + + ret = wilc_send_config_pkt(vif, SET_CFG, &wid, 1, + hif_drv->driver_handler_id); + if (ret) + netdev_err(vif->ndev, "Failed to set driver handler\n"); + + kfree(buffer); + +free_msg: + if (msg->is_sync) + complete(&msg->work_comp); + + kfree(msg); +} + +static void handle_set_operation_mode(struct work_struct *work) +{ + struct host_if_msg *msg = container_of(work, struct host_if_msg, work); + struct wilc_vif *vif = msg->vif; + struct op_mode *hif_op_mode = &msg->body.mode; + int ret; + struct wid wid; + + wid.id = WID_SET_OPERATION_MODE; + wid.type = WID_INT; + wid.val = (s8 *)&hif_op_mode->mode; + wid.size = sizeof(u32); + + ret = wilc_send_config_pkt(vif, SET_CFG, &wid, 1, + wilc_get_vif_idx(vif)); + + if (ret) + netdev_err(vif->ndev, "Failed to set operation mode\n"); + + kfree(msg); +} + +static void handle_get_mac_address(struct work_struct *work) +{ + struct host_if_msg *msg = container_of(work, struct host_if_msg, work); + struct wilc_vif *vif = msg->vif; + struct get_mac_addr *get_mac_addr = &msg->body.get_mac_info; + int ret; + struct wid wid; + + wid.id = WID_MAC_ADDR; + wid.type = WID_STR; + wid.val = get_mac_addr->mac_addr; + wid.size = ETH_ALEN; + + ret = wilc_send_config_pkt(vif, GET_CFG, &wid, 1, + wilc_get_vif_idx(vif)); + + if (ret) + netdev_err(vif->ndev, "Failed to get mac address\n"); + complete(&msg->work_comp); + /* free 'msg' data later, in caller */ +} + +static void handle_cfg_param(struct work_struct *work) +{ + struct host_if_msg *msg = container_of(work, struct host_if_msg, work); + struct wilc_vif *vif = msg->vif; + struct cfg_param_attr *param = &msg->body.cfg_info; + int ret; + struct wid wid_list[32]; + struct host_if_drv *hif_drv = vif->hif_drv; + int i = 0; + + mutex_lock(&hif_drv->cfg_values_lock); + + if (param->flag & BSS_TYPE) { + u8 bss_type = param->bss_type; + + if (bss_type < 6) { + wid_list[i].id = WID_BSS_TYPE; + wid_list[i].val = (s8 *)¶m->bss_type; + wid_list[i].type = WID_CHAR; + wid_list[i].size = sizeof(char); + hif_drv->cfg_values.bss_type = bss_type; + } else { + netdev_err(vif->ndev, "check value 6 over\n"); + goto unlock; + } + i++; + } + if (param->flag & AUTH_TYPE) { + u8 auth_type = param->auth_type; + + if (auth_type == 1 || auth_type == 2 || auth_type == 5) { + wid_list[i].id = WID_AUTH_TYPE; + wid_list[i].val = (s8 *)¶m->auth_type; + wid_list[i].type = WID_CHAR; + wid_list[i].size = sizeof(char); + hif_drv->cfg_values.auth_type = auth_type; + } else { + netdev_err(vif->ndev, "Impossible value\n"); + goto unlock; + } + i++; + } + if (param->flag & AUTHEN_TIMEOUT) { + if (param->auth_timeout > 0) { + wid_list[i].id = WID_AUTH_TIMEOUT; + wid_list[i].val = (s8 *)¶m->auth_timeout; + wid_list[i].type = WID_SHORT; + wid_list[i].size = sizeof(u16); + hif_drv->cfg_values.auth_timeout = param->auth_timeout; + } else { + netdev_err(vif->ndev, "Range(1 ~ 65535) over\n"); + goto unlock; + } + i++; + } + if (param->flag & POWER_MANAGEMENT) { + u8 pm_mode = param->power_mgmt_mode; + + if (pm_mode < 5) { + wid_list[i].id = WID_POWER_MANAGEMENT; + wid_list[i].val = (s8 *)¶m->power_mgmt_mode; + wid_list[i].type = WID_CHAR; + wid_list[i].size = sizeof(char); + hif_drv->cfg_values.power_mgmt_mode = pm_mode; + } else { + netdev_err(vif->ndev, "Invalid power mode\n"); + goto unlock; + } + i++; + } + if (param->flag & RETRY_SHORT) { + u16 retry_limit = param->short_retry_limit; + + if (retry_limit > 0 && retry_limit < 256) { + 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); + hif_drv->cfg_values.short_retry_limit = retry_limit; + } else { + netdev_err(vif->ndev, "Range(1~256) over\n"); + goto unlock; + } + i++; + } + if (param->flag & RETRY_LONG) { + u16 limit = param->long_retry_limit; + + if (limit > 0 && limit < 256) { + 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); + hif_drv->cfg_values.long_retry_limit = limit; + } else { + netdev_err(vif->ndev, "Range(1~256) over\n"); + goto unlock; + } + i++; + } + if (param->flag & FRAG_THRESHOLD) { + u16 frag_th = param->frag_threshold; + + if (frag_th > 255 && frag_th < 7937) { + 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); + hif_drv->cfg_values.frag_threshold = frag_th; + } else { + netdev_err(vif->ndev, "Threshold Range fail\n"); + goto unlock; + } + i++; + } + if (param->flag & RTS_THRESHOLD) { + u16 rts_th = param->rts_threshold; + + if (rts_th > 255) { + 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); + hif_drv->cfg_values.rts_threshold = rts_th; + } else { + netdev_err(vif->ndev, "Threshold Range fail\n"); + goto unlock; + } + i++; + } + if (param->flag & PREAMBLE) { + u16 preamble_type = param->preamble_type; + + if (param->preamble_type < 3) { + wid_list[i].id = WID_PREAMBLE; + wid_list[i].val = (s8 *)¶m->preamble_type; + wid_list[i].type = WID_CHAR; + wid_list[i].size = sizeof(char); + hif_drv->cfg_values.preamble_type = preamble_type; + } else { + netdev_err(vif->ndev, "Preamble Range(0~2) over\n"); + goto unlock; + } + i++; + } + if (param->flag & SHORT_SLOT_ALLOWED) { + u8 slot_allowed = param->short_slot_allowed; + + if (slot_allowed < 2) { + wid_list[i].id = WID_SHORT_SLOT_ALLOWED; + wid_list[i].val = (s8 *)¶m->short_slot_allowed; + wid_list[i].type = WID_CHAR; + wid_list[i].size = sizeof(char); + hif_drv->cfg_values.short_slot_allowed = slot_allowed; + } else { + netdev_err(vif->ndev, "Short slot(2) over\n"); + goto unlock; + } + i++; + } + if (param->flag & TXOP_PROT_DISABLE) { + u8 prot_disabled = param->txop_prot_disabled; + + if (param->txop_prot_disabled < 2) { + wid_list[i].id = WID_11N_TXOP_PROT_DISABLE; + wid_list[i].val = (s8 *)¶m->txop_prot_disabled; + wid_list[i].type = WID_CHAR; + wid_list[i].size = sizeof(char); + hif_drv->cfg_values.txop_prot_disabled = prot_disabled; + } else { + netdev_err(vif->ndev, "TXOP prot disable\n"); + goto unlock; + } + i++; + } + if (param->flag & BEACON_INTERVAL) { + u16 beacon_interval = param->beacon_interval; + + if (beacon_interval > 0) { + wid_list[i].id = WID_BEACON_INTERVAL; + wid_list[i].val = (s8 *)¶m->beacon_interval; + wid_list[i].type = WID_SHORT; + wid_list[i].size = sizeof(u16); + hif_drv->cfg_values.beacon_interval = beacon_interval; + } else { + netdev_err(vif->ndev, "Beacon interval(1~65535)fail\n"); + goto unlock; + } + i++; + } + if (param->flag & DTIM_PERIOD) { + if (param->dtim_period > 0 && param->dtim_period < 256) { + wid_list[i].id = WID_DTIM_PERIOD; + wid_list[i].val = (s8 *)¶m->dtim_period; + wid_list[i].type = WID_CHAR; + wid_list[i].size = sizeof(char); + hif_drv->cfg_values.dtim_period = param->dtim_period; + } else { + netdev_err(vif->ndev, "DTIM range(1~255) fail\n"); + goto unlock; + } + i++; + } + if (param->flag & SITE_SURVEY) { + enum site_survey enabled = param->site_survey_enabled; + + if (enabled < 3) { + wid_list[i].id = WID_SITE_SURVEY; + wid_list[i].val = (s8 *)¶m->site_survey_enabled; + wid_list[i].type = WID_CHAR; + wid_list[i].size = sizeof(char); + hif_drv->cfg_values.site_survey_enabled = enabled; + } else { + netdev_err(vif->ndev, "Site survey disable\n"); + goto unlock; + } + i++; + } + if (param->flag & SITE_SURVEY_SCAN_TIME) { + u16 scan_time = param->site_survey_scan_time; + + if (scan_time > 0) { + wid_list[i].id = WID_SITE_SURVEY_SCAN_TIME; + wid_list[i].val = (s8 *)¶m->site_survey_scan_time; + wid_list[i].type = WID_SHORT; + wid_list[i].size = sizeof(u16); + hif_drv->cfg_values.site_survey_scan_time = scan_time; + } else { + netdev_err(vif->ndev, "Site scan time(1~65535) over\n"); + goto unlock; + } + i++; + } + if (param->flag & ACTIVE_SCANTIME) { + u16 active_scan_time = param->active_scan_time; + + if (active_scan_time > 0) { + wid_list[i].id = WID_ACTIVE_SCAN_TIME; + wid_list[i].val = (s8 *)¶m->active_scan_time; + wid_list[i].type = WID_SHORT; + wid_list[i].size = sizeof(u16); + hif_drv->cfg_values.active_scan_time = active_scan_time; + } else { + netdev_err(vif->ndev, "Active time(1~65535) over\n"); + goto unlock; + } + i++; + } + if (param->flag & PASSIVE_SCANTIME) { + u16 time = param->passive_scan_time; + + if (time > 0) { + wid_list[i].id = WID_PASSIVE_SCAN_TIME; + wid_list[i].val = (s8 *)¶m->passive_scan_time; + wid_list[i].type = WID_SHORT; + wid_list[i].size = sizeof(u16); + hif_drv->cfg_values.passive_scan_time = time; + } else { + netdev_err(vif->ndev, "Passive time(1~65535) over\n"); + goto unlock; + } + i++; + } + if (param->flag & CURRENT_TX_RATE) { + enum current_tx_rate curr_tx_rate = param->curr_tx_rate; + + if (curr_tx_rate == AUTORATE || curr_tx_rate == MBPS_1 || + curr_tx_rate == MBPS_2 || curr_tx_rate == MBPS_5_5 || + curr_tx_rate == MBPS_11 || curr_tx_rate == MBPS_6 || + curr_tx_rate == MBPS_9 || curr_tx_rate == MBPS_12 || + curr_tx_rate == MBPS_18 || curr_tx_rate == MBPS_24 || + curr_tx_rate == MBPS_36 || curr_tx_rate == MBPS_48 || + curr_tx_rate == MBPS_54) { + wid_list[i].id = WID_CURRENT_TX_RATE; + wid_list[i].val = (s8 *)&curr_tx_rate; + wid_list[i].type = WID_SHORT; + wid_list[i].size = sizeof(u16); + hif_drv->cfg_values.curr_tx_rate = (u8)curr_tx_rate; + } else { + netdev_err(vif->ndev, "out of TX rate\n"); + goto unlock; + } + i++; + } + + ret = wilc_send_config_pkt(vif, SET_CFG, wid_list, + i, wilc_get_vif_idx(vif)); + + if (ret) + netdev_err(vif->ndev, "Error in setting CFG params\n"); + +unlock: + mutex_unlock(&hif_drv->cfg_values_lock); + kfree(msg); +} + +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 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, SET_CFG, &wid, 1, + wilc_get_vif_idx(vif)); + + 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, NULL); + scan_req->scan_result = NULL; + } + + return result; +} + +static void handle_scan(struct work_struct *work) +{ + struct host_if_msg *msg = container_of(work, struct host_if_msg, work); + struct wilc_vif *vif = msg->vif; + struct scan_attr *scan_info = &msg->body.scan_info; + int result = 0; + struct wid wid_list[5]; + u32 index = 0; + u32 i; + u8 *buffer; + u8 valuesize = 0; + u8 *hdn_ntwk_wid_val = NULL; + struct host_if_drv *hif_drv = vif->hif_drv; + struct hidden_network *hidden_net = &scan_info->hidden_network; + + hif_drv->usr_scan_req.scan_result = scan_info->result; + hif_drv->usr_scan_req.arg = scan_info->arg; + + 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->obtaining_ip || vif->connecting) { + netdev_err(vif->ndev, "Don't do obss scan\n"); + result = -EBUSY; + goto error; + } + + hif_drv->usr_scan_req.ch_cnt = 0; + + wid_list[index].id = WID_SSID_PROBE_REQ; + wid_list[index].type = WID_STR; + + for (i = 0; i < hidden_net->n_ssids; i++) + valuesize += ((hidden_net->net_info[i].ssid_len) + 1); + hdn_ntwk_wid_val = kmalloc(valuesize + 1, GFP_KERNEL); + wid_list[index].val = hdn_ntwk_wid_val; + if (wid_list[index].val) { + buffer = wid_list[index].val; + + *buffer++ = hidden_net->n_ssids; + + for (i = 0; i < hidden_net->n_ssids; i++) { + *buffer++ = hidden_net->net_info[i].ssid_len; + memcpy(buffer, hidden_net->net_info[i].ssid, + hidden_net->net_info[i].ssid_len); + buffer += hidden_net->net_info[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 = scan_info->ies; + wid_list[index].size = scan_info->ies_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_info->type; + index++; + + wid_list[index].id = WID_SCAN_CHANNEL_LIST; + wid_list[index].type = WID_BIN_DATA; + + if (scan_info->ch_freq_list && + scan_info->ch_list_len > 0) { + int i; + + for (i = 0; i < scan_info->ch_list_len; i++) { + if (scan_info->ch_freq_list[i] > 0) + scan_info->ch_freq_list[i] -= 1; + } + } + + wid_list[index].val = scan_info->ch_freq_list; + wid_list[index].size = scan_info->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_info->src; + index++; + + result = wilc_send_config_pkt(vif, SET_CFG, wid_list, + index, + wilc_get_vif_idx(vif)); + + if (result) + netdev_err(vif->ndev, "Failed to send scan parameters\n"); + +error: + if (result) { + del_timer(&hif_drv->scan_timer); + handle_scan_done(vif, SCAN_EVENT_ABORTED); + } + + kfree(scan_info->ch_freq_list); + scan_info->ch_freq_list = NULL; + + kfree(scan_info->ies); + scan_info->ies = NULL; + kfree(scan_info->hidden_network.net_info); + scan_info->hidden_network.net_info = NULL; + + kfree(hdn_ntwk_wid_val); + + kfree(msg); +} + +static void handle_connect(struct work_struct *work) +{ + struct host_if_msg *msg = container_of(work, struct host_if_msg, work); + struct wilc_vif *vif = msg->vif; + struct connect_attr *conn_attr = &msg->body.con_info; + int result = 0; + struct wid wid_list[8]; + u32 wid_cnt = 0, dummyval = 0; + u8 *cur_byte = NULL; + struct join_bss_param *bss_param; + struct host_if_drv *hif_drv = vif->hif_drv; + + if (msg->vif->hif_drv->usr_scan_req.scan_result) { + result = wilc_enqueue_work(msg); + if (result) + goto error; + + usleep_range(2 * 1000, 2 * 1000); + return; + } + + bss_param = conn_attr->params; + if (!bss_param) { + netdev_err(vif->ndev, "Required BSSID not found\n"); + result = -ENOENT; + goto error; + } + + if (conn_attr->bssid) { + hif_drv->usr_conn_req.bssid = kmemdup(conn_attr->bssid, 6, + GFP_KERNEL); + if (!hif_drv->usr_conn_req.bssid) { + result = -ENOMEM; + goto error; + } + } + + hif_drv->usr_conn_req.ssid_len = conn_attr->ssid_len; + if (conn_attr->ssid) { + hif_drv->usr_conn_req.ssid = kmalloc(conn_attr->ssid_len + 1, + GFP_KERNEL); + if (!hif_drv->usr_conn_req.ssid) { + result = -ENOMEM; + goto error; + } + memcpy(hif_drv->usr_conn_req.ssid, + conn_attr->ssid, + conn_attr->ssid_len); + hif_drv->usr_conn_req.ssid[conn_attr->ssid_len] = '\0'; + } + + hif_drv->usr_conn_req.ies_len = conn_attr->ies_len; + if (conn_attr->ies) { + hif_drv->usr_conn_req.ies = kmemdup(conn_attr->ies, + conn_attr->ies_len, + GFP_KERNEL); + if (!hif_drv->usr_conn_req.ies) { + result = -ENOMEM; + goto error; + } + } + + hif_drv->usr_conn_req.security = conn_attr->security; + hif_drv->usr_conn_req.auth_type = conn_attr->auth_type; + hif_drv->usr_conn_req.conn_result = conn_attr->result; + hif_drv->usr_conn_req.arg = conn_attr->arg; + + 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 *)(&(dummyval)); + 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 *)(&(dummyval)); + 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 *)(&(dummyval)); + wid_cnt++; + + wid_list[wid_cnt].id = WID_INFO_ELEMENT_ASSOCIATE; + wid_list[wid_cnt].type = WID_BIN_DATA; + wid_list[wid_cnt].val = hif_drv->usr_conn_req.ies; + wid_list[wid_cnt].size = hif_drv->usr_conn_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 *)&hif_drv->usr_conn_req.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 *)&hif_drv->usr_conn_req.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 = 112; + wid_list[wid_cnt].val = kmalloc(wid_list[wid_cnt].size, GFP_KERNEL); + + if (!wid_list[wid_cnt].val) { + result = -EFAULT; + goto error; + } + + cur_byte = wid_list[wid_cnt].val; + + if (conn_attr->ssid) { + memcpy(cur_byte, conn_attr->ssid, conn_attr->ssid_len); + cur_byte[conn_attr->ssid_len] = '\0'; + } + cur_byte += MAX_SSID_LEN; + *(cur_byte++) = INFRASTRUCTURE; + + if (conn_attr->ch >= 1 && conn_attr->ch <= 14) { + *(cur_byte++) = conn_attr->ch; + } else { + netdev_err(vif->ndev, "Channel out of range\n"); + *(cur_byte++) = 0xFF; + } + *(cur_byte++) = (bss_param->cap_info) & 0xFF; + *(cur_byte++) = ((bss_param->cap_info) >> 8) & 0xFF; + + if (conn_attr->bssid) + memcpy(cur_byte, conn_attr->bssid, 6); + cur_byte += 6; + + if (conn_attr->bssid) + memcpy(cur_byte, conn_attr->bssid, 6); + cur_byte += 6; + + *(cur_byte++) = (bss_param->beacon_period) & 0xFF; + *(cur_byte++) = ((bss_param->beacon_period) >> 8) & 0xFF; + *(cur_byte++) = bss_param->dtim_period; + + memcpy(cur_byte, bss_param->supp_rates, MAX_RATES_SUPPORTED + 1); + cur_byte += (MAX_RATES_SUPPORTED + 1); + + *(cur_byte++) = bss_param->wmm_cap; + *(cur_byte++) = bss_param->uapsd_cap; + + *(cur_byte++) = bss_param->ht_capable; + hif_drv->usr_conn_req.ht_capable = bss_param->ht_capable; + + *(cur_byte++) = bss_param->rsn_found; + *(cur_byte++) = bss_param->rsn_grp_policy; + *(cur_byte++) = bss_param->mode_802_11i; + + memcpy(cur_byte, bss_param->rsn_pcip_policy, + sizeof(bss_param->rsn_pcip_policy)); + cur_byte += sizeof(bss_param->rsn_pcip_policy); + + memcpy(cur_byte, bss_param->rsn_auth_policy, + sizeof(bss_param->rsn_auth_policy)); + cur_byte += sizeof(bss_param->rsn_auth_policy); + + memcpy(cur_byte, bss_param->rsn_cap, sizeof(bss_param->rsn_cap)); + cur_byte += sizeof(bss_param->rsn_cap); + + *(cur_byte++) = REAL_JOIN_REQ; + *(cur_byte++) = bss_param->noa_enabled; + + if (bss_param->noa_enabled) { + *(cur_byte++) = (bss_param->tsf) & 0xFF; + *(cur_byte++) = ((bss_param->tsf) >> 8) & 0xFF; + *(cur_byte++) = ((bss_param->tsf) >> 16) & 0xFF; + *(cur_byte++) = ((bss_param->tsf) >> 24) & 0xFF; + + *(cur_byte++) = bss_param->opp_enabled; + *(cur_byte++) = bss_param->idx; + + if (bss_param->opp_enabled) + *(cur_byte++) = bss_param->ct_window; + + *(cur_byte++) = bss_param->cnt; + + memcpy(cur_byte, bss_param->duration, + sizeof(bss_param->duration)); + cur_byte += sizeof(bss_param->duration); + + memcpy(cur_byte, bss_param->interval, + sizeof(bss_param->interval)); + cur_byte += sizeof(bss_param->interval); + + memcpy(cur_byte, bss_param->start_time, + sizeof(bss_param->start_time)); + cur_byte += sizeof(bss_param->start_time); + } + + cur_byte = wid_list[wid_cnt].val; + wid_cnt++; + + result = wilc_send_config_pkt(vif, SET_CFG, wid_list, + wid_cnt, + wilc_get_vif_idx(vif)); + if (result) { + netdev_err(vif->ndev, "failed to send config packet\n"); + result = -EFAULT; + goto error; + } else { + hif_drv->hif_state = HOST_IF_WAITING_CONN_RESP; + } + +error: + if (result) { + struct connect_info conn_info; + + del_timer(&hif_drv->connect_timer); + + memset(&conn_info, 0, sizeof(struct connect_info)); + + if (conn_attr->result) { + if (conn_attr->bssid) + memcpy(conn_info.bssid, conn_attr->bssid, 6); + + if (conn_attr->ies) { + conn_info.req_ies_len = conn_attr->ies_len; + conn_info.req_ies = kmalloc(conn_attr->ies_len, + GFP_KERNEL); + memcpy(conn_info.req_ies, + conn_attr->ies, + conn_attr->ies_len); + } + + conn_attr->result(CONN_DISCONN_EVENT_CONN_RESP, + &conn_info, MAC_STATUS_DISCONNECTED, + NULL, conn_attr->arg); + hif_drv->hif_state = HOST_IF_IDLE; + kfree(conn_info.req_ies); + conn_info.req_ies = NULL; + + } else { + netdev_err(vif->ndev, "Connect callback is NULL\n"); + } + } + + kfree(conn_attr->bssid); + conn_attr->bssid = NULL; + + kfree(conn_attr->ssid); + conn_attr->ssid = NULL; + + kfree(conn_attr->ies); + conn_attr->ies = NULL; + + kfree(cur_byte); + kfree(msg); +} + +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 connect_info info; + 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; + + memset(&info, 0, sizeof(struct connect_info)); + + if (hif_drv->usr_conn_req.conn_result) { + if (hif_drv->usr_conn_req.bssid) { + memcpy(info.bssid, + hif_drv->usr_conn_req.bssid, 6); + } + + if (hif_drv->usr_conn_req.ies) { + info.req_ies_len = hif_drv->usr_conn_req.ies_len; + info.req_ies = kmemdup(hif_drv->usr_conn_req.ies, + hif_drv->usr_conn_req.ies_len, + GFP_KERNEL); + if (!info.req_ies) + goto out; + } + + hif_drv->usr_conn_req.conn_result(CONN_DISCONN_EVENT_CONN_RESP, + &info, + MAC_STATUS_DISCONNECTED, + NULL, + hif_drv->usr_conn_req.arg); + + kfree(info.req_ies); + info.req_ies = NULL; + } 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, SET_CFG, &wid, 1, + wilc_get_vif_idx(vif)); + if (result) + netdev_err(vif->ndev, "Failed to send disconnect\n"); + + hif_drv->usr_conn_req.ssid_len = 0; + kfree(hif_drv->usr_conn_req.ssid); + hif_drv->usr_conn_req.ssid = NULL; + kfree(hif_drv->usr_conn_req.bssid); + hif_drv->usr_conn_req.bssid = NULL; + hif_drv->usr_conn_req.ies_len = 0; + kfree(hif_drv->usr_conn_req.ies); + hif_drv->usr_conn_req.ies = NULL; + +out: + kfree(msg); +} + +static void host_int_fill_join_bss_param(struct join_bss_param *param, u8 *ies, + u16 *out_index, u8 *pcipher_tc, + u8 *auth_total_cnt, u32 tsf_lo, + u8 *rates_no) +{ + u8 ext_rates_no; + u16 offset; + u8 pcipher_cnt; + u8 auth_cnt; + u8 i, j; + u16 index = *out_index; + + if (ies[index] == WLAN_EID_SUPP_RATES) { + *rates_no = ies[index + 1]; + param->supp_rates[0] = *rates_no; + index += 2; + + for (i = 0; i < *rates_no; i++) + param->supp_rates[i + 1] = ies[index + i]; + + index += *rates_no; + } else if (ies[index] == WLAN_EID_EXT_SUPP_RATES) { + ext_rates_no = ies[index + 1]; + if (ext_rates_no > (MAX_RATES_SUPPORTED - *rates_no)) + param->supp_rates[0] = MAX_RATES_SUPPORTED; + else + param->supp_rates[0] += ext_rates_no; + index += 2; + for (i = 0; i < (param->supp_rates[0] - *rates_no); i++) + param->supp_rates[*rates_no + i + 1] = ies[index + i]; + + index += ext_rates_no; + } else if (ies[index] == WLAN_EID_HT_CAPABILITY) { + param->ht_capable = true; + index += ies[index + 1] + 2; + } else if ((ies[index] == WLAN_EID_VENDOR_SPECIFIC) && + (ies[index + 2] == 0x00) && (ies[index + 3] == 0x50) && + (ies[index + 4] == 0xF2) && (ies[index + 5] == 0x02) && + ((ies[index + 6] == 0x00) || (ies[index + 6] == 0x01)) && + (ies[index + 7] == 0x01)) { + param->wmm_cap = true; + + if (ies[index + 8] & BIT(7)) + param->uapsd_cap = true; + index += ies[index + 1] + 2; + } else if ((ies[index] == WLAN_EID_VENDOR_SPECIFIC) && + (ies[index + 2] == 0x50) && (ies[index + 3] == 0x6f) && + (ies[index + 4] == 0x9a) && + (ies[index + 5] == 0x09) && (ies[index + 6] == 0x0c)) { + u16 p2p_cnt; + + param->tsf = tsf_lo; + param->noa_enabled = 1; + param->idx = ies[index + 9]; + + if (ies[index + 10] & BIT(7)) { + param->opp_enabled = 1; + param->ct_window = ies[index + 10]; + } else { + param->opp_enabled = 0; + } + + param->cnt = ies[index + 11]; + p2p_cnt = index + 12; + + memcpy(param->duration, ies + p2p_cnt, 4); + p2p_cnt += 4; + + memcpy(param->interval, ies + p2p_cnt, 4); + p2p_cnt += 4; + + memcpy(param->start_time, ies + p2p_cnt, 4); + + index += ies[index + 1] + 2; + } else if ((ies[index] == WLAN_EID_RSN) || + ((ies[index] == WLAN_EID_VENDOR_SPECIFIC) && + (ies[index + 2] == 0x00) && + (ies[index + 3] == 0x50) && (ies[index + 4] == 0xF2) && + (ies[index + 5] == 0x01))) { + u16 rsn_idx = index; + + if (ies[rsn_idx] == WLAN_EID_RSN) { + param->mode_802_11i = 2; + } else { + if (param->mode_802_11i == 0) + param->mode_802_11i = 1; + rsn_idx += 4; + } + + rsn_idx += 7; + param->rsn_grp_policy = ies[rsn_idx]; + rsn_idx++; + offset = ies[rsn_idx] * 4; + pcipher_cnt = (ies[rsn_idx] > 3) ? 3 : ies[rsn_idx]; + rsn_idx += 2; + + i = *pcipher_tc; + j = 0; + for (; i < (pcipher_cnt + *pcipher_tc) && i < 3; i++, j++) { + u8 *policy = ¶m->rsn_pcip_policy[i]; + + *policy = ies[rsn_idx + ((j + 1) * 4) - 1]; + } + + *pcipher_tc += pcipher_cnt; + rsn_idx += offset; + + offset = ies[rsn_idx] * 4; + + auth_cnt = (ies[rsn_idx] > 3) ? 3 : ies[rsn_idx]; + rsn_idx += 2; + i = *auth_total_cnt; + j = 0; + for (; i < (*auth_total_cnt + auth_cnt); i++, j++) { + u8 *policy = ¶m->rsn_auth_policy[i]; + + *policy = ies[rsn_idx + ((j + 1) * 4) - 1]; + } + + *auth_total_cnt += auth_cnt; + rsn_idx += offset; + + if (ies[index] == WLAN_EID_RSN) { + param->rsn_cap[0] = ies[rsn_idx]; + param->rsn_cap[1] = ies[rsn_idx + 1]; + rsn_idx += 2; + } + param->rsn_found = true; + index += ies[index + 1] + 2; + } else { + index += ies[index + 1] + 2; + } + + *out_index = index; +} + +static void *host_int_parse_join_bss_param(struct network_info *info) +{ + struct join_bss_param *param; + u16 index = 0; + u8 rates_no = 0; + u8 pcipher_total_cnt = 0; + u8 auth_total_cnt = 0; + + param = kzalloc(sizeof(*param), GFP_KERNEL); + if (!param) + return NULL; + + param->dtim_period = info->dtim_period; + param->beacon_period = info->beacon_period; + param->cap_info = info->cap_info; + memcpy(param->bssid, info->bssid, 6); + memcpy((u8 *)param->ssid, info->ssid, info->ssid_len + 1); + param->ssid_len = info->ssid_len; + memset(param->rsn_pcip_policy, 0xFF, 3); + memset(param->rsn_auth_policy, 0xFF, 3); + + while (index < info->ies_len) + host_int_fill_join_bss_param(param, info->ies, &index, + &pcipher_total_cnt, + &auth_total_cnt, info->tsf_lo, + &rates_no); + + 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_vif *vif = msg->vif; + struct rcvd_net_info *rcvd_info = &msg->body.net_info; + u32 i; + bool found; + struct network_info *info = NULL; + void *params; + struct host_if_drv *hif_drv = vif->hif_drv; + struct user_scan_req *scan_req = &hif_drv->usr_scan_req; + + found = true; + + if (!scan_req->scan_result) + goto done; + + wilc_parse_network_info(rcvd_info->buffer, &info); + if (!info || !scan_req->scan_result) { + netdev_err(vif->ndev, "%s: info or scan result NULL\n", + __func__); + goto done; + } + + for (i = 0; i < scan_req->ch_cnt; i++) { + if (memcmp(scan_req->net_info[i].bssid, info->bssid, 6) == 0) { + if (info->rssi <= scan_req->net_info[i].rssi) { + goto done; + } else { + scan_req->net_info[i].rssi = info->rssi; + found = false; + break; + } + } + } + + if (found) { + if (scan_req->ch_cnt < MAX_NUM_SCANNED_NETWORKS) { + scan_req->net_info[scan_req->ch_cnt].rssi = info->rssi; + + memcpy(scan_req->net_info[scan_req->ch_cnt].bssid, + info->bssid, 6); + + scan_req->ch_cnt++; + + info->new_network = true; + params = host_int_parse_join_bss_param(info); + + scan_req->scan_result(SCAN_EVENT_NETWORK_FOUND, info, + scan_req->arg, params); + } + } else { + info->new_network = false; + scan_req->scan_result(SCAN_EVENT_NETWORK_FOUND, info, + scan_req->arg, NULL); + } + +done: + kfree(rcvd_info->buffer); + rcvd_info->buffer = NULL; + + if (info) { + kfree(info->ies); + kfree(info); + } + + 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, GET_CFG, &wid, 1, + wilc_get_vif_idx(vif)); + 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 inline void host_int_free_user_conn_req(struct host_if_drv *hif_drv) +{ + hif_drv->usr_conn_req.ssid_len = 0; + kfree(hif_drv->usr_conn_req.ssid); + hif_drv->usr_conn_req.ssid = NULL; + kfree(hif_drv->usr_conn_req.bssid); + hif_drv->usr_conn_req.bssid = NULL; + hif_drv->usr_conn_req.ies_len = 0; + kfree(hif_drv->usr_conn_req.ies); + hif_drv->usr_conn_req.ies = NULL; +} + +static inline void host_int_parse_assoc_resp_info(struct wilc_vif *vif, + u8 mac_status) +{ + struct connect_info conn_info; + struct host_if_drv *hif_drv = vif->hif_drv; + + memset(&conn_info, 0, sizeof(struct connect_info)); + + if (mac_status == MAC_STATUS_CONNECTED) { + u32 assoc_resp_info_len; + + memset(hif_drv->assoc_resp, 0, MAX_ASSOC_RESP_FRAME_SIZE); + + host_int_get_assoc_res_info(vif, hif_drv->assoc_resp, + 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); + } + } + + if (hif_drv->usr_conn_req.bssid) { + memcpy(conn_info.bssid, hif_drv->usr_conn_req.bssid, 6); + + if (mac_status == MAC_STATUS_CONNECTED && + conn_info.status == WLAN_STATUS_SUCCESS) { + memcpy(hif_drv->assoc_bssid, + hif_drv->usr_conn_req.bssid, ETH_ALEN); + } + } + + if (hif_drv->usr_conn_req.ies) { + conn_info.req_ies = kmemdup(hif_drv->usr_conn_req.ies, + hif_drv->usr_conn_req.ies_len, + GFP_KERNEL); + if (conn_info.req_ies) + conn_info.req_ies_len = hif_drv->usr_conn_req.ies_len; + } + + del_timer(&hif_drv->connect_timer); + hif_drv->usr_conn_req.conn_result(CONN_DISCONN_EVENT_CONN_RESP, + &conn_info, mac_status, NULL, + hif_drv->usr_conn_req.arg); + + if (mac_status == MAC_STATUS_CONNECTED && + conn_info.status == WLAN_STATUS_SUCCESS) { + wilc_set_power_mgmt(vif, 0, 0); + + hif_drv->hif_state = HOST_IF_CONNECTED; + + vif->obtaining_ip = true; + mod_timer(&vif->during_ip_timer, + jiffies + msecs_to_jiffies(10000)); + } else { + hif_drv->hif_state = HOST_IF_IDLE; + } + + kfree(conn_info.resp_ies); + conn_info.resp_ies = NULL; + + kfree(conn_info.req_ies); + conn_info.req_ies = NULL; + host_int_free_user_conn_req(hif_drv); +} + +static inline void host_int_handle_disconnect(struct wilc_vif *vif) +{ + struct disconnect_info disconn_info; + struct host_if_drv *hif_drv = vif->hif_drv; + wilc_connect_result conn_result = hif_drv->usr_conn_req.conn_result; + + memset(&disconn_info, 0, sizeof(struct disconnect_info)); + + if (hif_drv->usr_scan_req.scan_result) { + del_timer(&hif_drv->scan_timer); + handle_scan_done(vif, SCAN_EVENT_ABORTED); + } + + disconn_info.reason = 0; + disconn_info.ie = NULL; + disconn_info.ie_len = 0; + + if (conn_result) { + vif->obtaining_ip = false; + wilc_set_power_mgmt(vif, 0, 0); + + conn_result(CONN_DISCONN_EVENT_DISCONN_NOTIF, NULL, 0, + &disconn_info, hif_drv->usr_conn_req.arg); + } else { + netdev_err(vif->ndev, "%s: conn_result is NULL\n", __func__); + } + + eth_zero_addr(hif_drv->assoc_bssid); + + host_int_free_user_conn_req(hif_drv); + 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 rcvd_async_info *rcvd_info = &msg->body.async_info; + u8 msg_type; + u8 mac_status; + struct host_if_drv *hif_drv = vif->hif_drv; + + if (!rcvd_info->buffer) { + netdev_err(vif->ndev, "%s: buffer is NULL\n", __func__); + goto free_msg; + } + + if (!hif_drv) { + netdev_err(vif->ndev, "%s: hif driver is NULL\n", __func__); + goto free_rcvd_info; + } + + if (hif_drv->hif_state == HOST_IF_WAITING_CONN_RESP || + hif_drv->hif_state == HOST_IF_CONNECTED || + hif_drv->usr_scan_req.scan_result) { + if (!hif_drv->usr_conn_req.conn_result) { + netdev_err(vif->ndev, "%s: conn_result is NULL\n", + __func__); + goto free_rcvd_info; + } + + msg_type = rcvd_info->buffer[0]; + + if ('I' != msg_type) { + netdev_err(vif->ndev, "Received Message incorrect.\n"); + goto free_rcvd_info; + } + + mac_status = rcvd_info->buffer[7]; + if (hif_drv->hif_state == HOST_IF_WAITING_CONN_RESP) { + host_int_parse_assoc_resp_info(vif, mac_status); + } else if ((mac_status == MAC_STATUS_DISCONNECTED) && + (hif_drv->hif_state == HOST_IF_CONNECTED)) { + host_int_handle_disconnect(vif); + } else if ((mac_status == MAC_STATUS_DISCONNECTED) && + (hif_drv->usr_scan_req.scan_result)) { + del_timer(&hif_drv->scan_timer); + if (hif_drv->usr_scan_req.scan_result) + handle_scan_done(vif, SCAN_EVENT_ABORTED); + } + } + +free_rcvd_info: + kfree(rcvd_info->buffer); + rcvd_info->buffer = NULL; + +free_msg: + kfree(msg); +} + +static int wilc_pmksa_key_copy(struct wilc_vif *vif, struct key_attr *hif_key) +{ + int i; + int ret; + struct wid wid; + u8 *key_buf; + + key_buf = kmalloc((hif_key->attr.pmkid.numpmkid * PMKSA_KEY_LEN) + 1, + GFP_KERNEL); + if (!key_buf) + return -ENOMEM; + + key_buf[0] = hif_key->attr.pmkid.numpmkid; + + for (i = 0; i < hif_key->attr.pmkid.numpmkid; i++) { + memcpy(key_buf + ((PMKSA_KEY_LEN * i) + 1), + hif_key->attr.pmkid.pmkidlist[i].bssid, ETH_ALEN); + memcpy(key_buf + ((PMKSA_KEY_LEN * i) + ETH_ALEN + 1), + hif_key->attr.pmkid.pmkidlist[i].pmkid, PMKID_LEN); + } + + wid.id = WID_PMKID_INFO; + wid.type = WID_STR; + wid.val = (s8 *)key_buf; + wid.size = (hif_key->attr.pmkid.numpmkid * PMKSA_KEY_LEN) + 1; + + ret = wilc_send_config_pkt(vif, SET_CFG, &wid, 1, + wilc_get_vif_idx(vif)); + + kfree(key_buf); + + return ret; +} + +static void handle_key(struct work_struct *work) +{ + struct host_if_msg *msg = container_of(work, struct host_if_msg, work); + struct wilc_vif *vif = msg->vif; + struct key_attr *hif_key = &msg->body.key_info; + int result = 0; + struct wid wid; + struct wid wid_list[5]; + u8 *key_buf; + struct host_if_drv *hif_drv = vif->hif_drv; + + switch (hif_key->type) { + case WEP: + + if (hif_key->action & ADDKEY_AP) { + wid_list[0].id = WID_11I_MODE; + wid_list[0].type = WID_CHAR; + wid_list[0].size = sizeof(char); + wid_list[0].val = (s8 *)&hif_key->attr.wep.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 *)&hif_key->attr.wep.auth_type; + + key_buf = kmalloc(hif_key->attr.wep.key_len + 2, + GFP_KERNEL); + if (!key_buf) { + result = -ENOMEM; + goto out_wep; + } + + key_buf[0] = hif_key->attr.wep.index; + key_buf[1] = hif_key->attr.wep.key_len; + + memcpy(&key_buf[2], hif_key->attr.wep.key, + hif_key->attr.wep.key_len); + + wid_list[2].id = WID_WEP_KEY_VALUE; + wid_list[2].type = WID_STR; + wid_list[2].size = hif_key->attr.wep.key_len + 2; + wid_list[2].val = (s8 *)key_buf; + + result = wilc_send_config_pkt(vif, SET_CFG, + wid_list, 3, + wilc_get_vif_idx(vif)); + kfree(key_buf); + } else if (hif_key->action & ADDKEY) { + key_buf = kmalloc(hif_key->attr.wep.key_len + 2, + GFP_KERNEL); + if (!key_buf) { + result = -ENOMEM; + goto out_wep; + } + key_buf[0] = hif_key->attr.wep.index; + memcpy(key_buf + 1, &hif_key->attr.wep.key_len, 1); + memcpy(key_buf + 2, hif_key->attr.wep.key, + hif_key->attr.wep.key_len); + + wid.id = WID_ADD_WEP_KEY; + wid.type = WID_STR; + wid.val = (s8 *)key_buf; + wid.size = hif_key->attr.wep.key_len + 2; + + result = wilc_send_config_pkt(vif, SET_CFG, + &wid, 1, + wilc_get_vif_idx(vif)); + kfree(key_buf); + } else if (hif_key->action & REMOVEKEY) { + wid.id = WID_REMOVE_WEP_KEY; + wid.type = WID_STR; + + wid.val = (s8 *)&hif_key->attr.wep.index; + wid.size = 1; + + result = wilc_send_config_pkt(vif, SET_CFG, + &wid, 1, + wilc_get_vif_idx(vif)); + } else if (hif_key->action & DEFAULTKEY) { + wid.id = WID_KEY_ID; + wid.type = WID_CHAR; + wid.val = (s8 *)&hif_key->attr.wep.index; + wid.size = sizeof(char); + + result = wilc_send_config_pkt(vif, SET_CFG, + &wid, 1, + wilc_get_vif_idx(vif)); + } +out_wep: + complete(&msg->work_comp); + break; + + case WPA_RX_GTK: + if (hif_key->action & ADDKEY_AP) { + key_buf = kzalloc(RX_MIC_KEY_MSG_LEN, GFP_KERNEL); + if (!key_buf) { + result = -ENOMEM; + goto out_wpa_rx_gtk; + } + + if (hif_key->attr.wpa.seq) + memcpy(key_buf + 6, hif_key->attr.wpa.seq, 8); + + memcpy(key_buf + 14, &hif_key->attr.wpa.index, 1); + memcpy(key_buf + 15, &hif_key->attr.wpa.key_len, 1); + memcpy(key_buf + 16, hif_key->attr.wpa.key, + hif_key->attr.wpa.key_len); + + wid_list[0].id = WID_11I_MODE; + wid_list[0].type = WID_CHAR; + wid_list[0].size = sizeof(char); + wid_list[0].val = (s8 *)&hif_key->attr.wpa.mode; + + wid_list[1].id = WID_ADD_RX_GTK; + wid_list[1].type = WID_STR; + wid_list[1].val = (s8 *)key_buf; + wid_list[1].size = RX_MIC_KEY_MSG_LEN; + + result = wilc_send_config_pkt(vif, SET_CFG, + wid_list, 2, + wilc_get_vif_idx(vif)); + + kfree(key_buf); + } else if (hif_key->action & ADDKEY) { + key_buf = kzalloc(RX_MIC_KEY_MSG_LEN, GFP_KERNEL); + if (!key_buf) { + result = -ENOMEM; + goto out_wpa_rx_gtk; + } + + if (hif_drv->hif_state == HOST_IF_CONNECTED) + memcpy(key_buf, hif_drv->assoc_bssid, ETH_ALEN); + else + netdev_err(vif->ndev, "Couldn't handle\n"); + + memcpy(key_buf + 6, hif_key->attr.wpa.seq, 8); + memcpy(key_buf + 14, &hif_key->attr.wpa.index, 1); + memcpy(key_buf + 15, &hif_key->attr.wpa.key_len, 1); + memcpy(key_buf + 16, hif_key->attr.wpa.key, + hif_key->attr.wpa.key_len); + + wid.id = WID_ADD_RX_GTK; + wid.type = WID_STR; + wid.val = (s8 *)key_buf; + wid.size = RX_MIC_KEY_MSG_LEN; + + result = wilc_send_config_pkt(vif, SET_CFG, + &wid, 1, + wilc_get_vif_idx(vif)); + + kfree(key_buf); + } +out_wpa_rx_gtk: + complete(&msg->work_comp); + break; + + case WPA_PTK: + if (hif_key->action & ADDKEY_AP) { + key_buf = kmalloc(PTK_KEY_MSG_LEN + 1, GFP_KERNEL); + if (!key_buf) { + result = -ENOMEM; + goto out_wpa_ptk; + } + + memcpy(key_buf, hif_key->attr.wpa.mac_addr, 6); + memcpy(key_buf + 6, &hif_key->attr.wpa.index, 1); + memcpy(key_buf + 7, &hif_key->attr.wpa.key_len, 1); + memcpy(key_buf + 8, hif_key->attr.wpa.key, + hif_key->attr.wpa.key_len); + + wid_list[0].id = WID_11I_MODE; + wid_list[0].type = WID_CHAR; + wid_list[0].size = sizeof(char); + wid_list[0].val = (s8 *)&hif_key->attr.wpa.mode; + + wid_list[1].id = WID_ADD_PTK; + wid_list[1].type = WID_STR; + wid_list[1].val = (s8 *)key_buf; + wid_list[1].size = PTK_KEY_MSG_LEN + 1; + + result = wilc_send_config_pkt(vif, SET_CFG, + wid_list, 2, + wilc_get_vif_idx(vif)); + kfree(key_buf); + } else if (hif_key->action & ADDKEY) { + key_buf = kmalloc(PTK_KEY_MSG_LEN, GFP_KERNEL); + if (!key_buf) { + result = -ENOMEM; + goto out_wpa_ptk; + } + + memcpy(key_buf, hif_key->attr.wpa.mac_addr, 6); + memcpy(key_buf + 6, &hif_key->attr.wpa.key_len, 1); + memcpy(key_buf + 7, hif_key->attr.wpa.key, + hif_key->attr.wpa.key_len); + + wid.id = WID_ADD_PTK; + wid.type = WID_STR; + wid.val = (s8 *)key_buf; + wid.size = PTK_KEY_MSG_LEN; + + result = wilc_send_config_pkt(vif, SET_CFG, + &wid, 1, + wilc_get_vif_idx(vif)); + kfree(key_buf); + } + +out_wpa_ptk: + complete(&msg->work_comp); + break; + + case PMKSA: + result = wilc_pmksa_key_copy(vif, hif_key); + /*free 'msg', this case it not a sync call*/ + kfree(msg); + break; + } + + if (result) + netdev_err(vif->ndev, "Failed to send key config packet\n"); + + /* free 'msg' data in caller sync call */ +} + +static void handle_disconnect(struct work_struct *work) +{ + struct host_if_msg *msg = container_of(work, struct host_if_msg, work); + struct wilc_vif *vif = msg->vif; + struct wid wid; + struct host_if_drv *hif_drv = vif->hif_drv; + struct disconnect_info disconn_info; + struct user_scan_req *scan_req; + struct user_conn_req *conn_req; + 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); + + vif->obtaining_ip = false; + wilc_set_power_mgmt(vif, 0, 0); + + result = wilc_send_config_pkt(vif, SET_CFG, &wid, 1, + wilc_get_vif_idx(vif)); + + if (result) { + netdev_err(vif->ndev, "Failed to send dissconect\n"); + goto out; + } + + memset(&disconn_info, 0, sizeof(struct disconnect_info)); + + disconn_info.reason = 0; + disconn_info.ie = NULL; + disconn_info.ie_len = 0; + scan_req = &hif_drv->usr_scan_req; + conn_req = &hif_drv->usr_conn_req; + + if (scan_req->scan_result) { + del_timer(&hif_drv->scan_timer); + scan_req->scan_result(SCAN_EVENT_ABORTED, NULL, scan_req->arg, + NULL); + scan_req->scan_result = NULL; + } + + if (conn_req->conn_result) { + if (hif_drv->hif_state == HOST_IF_WAITING_CONN_RESP) + del_timer(&hif_drv->connect_timer); + + conn_req->conn_result(CONN_DISCONN_EVENT_DISCONN_NOTIF, NULL, + 0, &disconn_info, conn_req->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_req->ssid_len = 0; + kfree(conn_req->ssid); + conn_req->ssid = NULL; + kfree(conn_req->bssid); + conn_req->bssid = NULL; + conn_req->ies_len = 0; + kfree(conn_req->ies); + conn_req->ies = NULL; + +out: + + complete(&msg->work_comp); + /* free 'msg' in caller after receiving completion */ +} + +void wilc_resolve_disconnect_aberration(struct wilc_vif *vif) +{ + if (!vif->hif_drv) + return; + if (vif->hif_drv->hif_state == HOST_IF_WAITING_CONN_RESP || + vif->hif_drv->hif_state == HOST_IF_CONNECTING) + wilc_disconnect(vif, 1); +} + +static void handle_get_rssi(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; + + wid.id = WID_RSSI; + wid.type = WID_CHAR; + wid.val = msg->body.data; + wid.size = sizeof(char); + + result = wilc_send_config_pkt(vif, GET_CFG, &wid, 1, + wilc_get_vif_idx(vif)); + if (result) + netdev_err(vif->ndev, "Failed to get RSSI value\n"); + + complete(&msg->work_comp); + /* free 'msg' data in caller */ +} + +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 wid wid_list[5]; + u32 wid_cnt = 0, result; + struct rf_info *stats = (struct rf_info *)msg->body.data; + + 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, GET_CFG, wid_list, + wid_cnt, + wilc_get_vif_idx(vif)); + + if (result) + netdev_err(vif->ndev, "Failed to send scan parameters\n"); + + 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); + + /* free 'msg' for async command, for sync caller will free it */ + if (msg->is_sync) + complete(&msg->work_comp); + else + kfree(msg); +} + +static void handle_get_inactive_time(struct work_struct *work) +{ + struct host_if_msg *msg = container_of(work, struct host_if_msg, work); + struct wilc_vif *vif = msg->vif; + struct sta_inactive_t *hif_sta_inactive = &msg->body.mac_info; + int result; + struct wid wid; + + wid.id = WID_SET_STA_MAC_INACTIVE_TIME; + wid.type = WID_STR; + wid.size = ETH_ALEN; + wid.val = kmalloc(wid.size, GFP_KERNEL); + if (!wid.val) + goto out; + + ether_addr_copy(wid.val, hif_sta_inactive->mac); + + result = wilc_send_config_pkt(vif, SET_CFG, &wid, 1, + wilc_get_vif_idx(vif)); + kfree(wid.val); + + if (result) { + netdev_err(vif->ndev, "Failed to set inactive mac\n"); + goto out; + } + + wid.id = WID_GET_INACTIVE_TIME; + wid.type = WID_INT; + wid.val = (s8 *)&hif_sta_inactive->inactive_time; + wid.size = sizeof(u32); + + result = wilc_send_config_pkt(vif, GET_CFG, &wid, 1, + wilc_get_vif_idx(vif)); + + if (result) + netdev_err(vif->ndev, "Failed to get inactive time\n"); + +out: + /* free 'msg' data in caller */ + complete(&msg->work_comp); +} + +static void handle_add_beacon(struct work_struct *work) +{ + struct host_if_msg *msg = container_of(work, struct host_if_msg, work); + struct wilc_vif *vif = msg->vif; + struct beacon_attr *param = &msg->body.beacon_info; + int result; + struct wid wid; + u8 *cur_byte; + + wid.id = WID_ADD_BEACON; + wid.type = WID_BIN; + wid.size = param->head_len + param->tail_len + 16; + wid.val = kmalloc(wid.size, GFP_KERNEL); + if (!wid.val) + goto error; + + cur_byte = wid.val; + *cur_byte++ = (param->interval & 0xFF); + *cur_byte++ = ((param->interval >> 8) & 0xFF); + *cur_byte++ = ((param->interval >> 16) & 0xFF); + *cur_byte++ = ((param->interval >> 24) & 0xFF); + + *cur_byte++ = (param->dtim_period & 0xFF); + *cur_byte++ = ((param->dtim_period >> 8) & 0xFF); + *cur_byte++ = ((param->dtim_period >> 16) & 0xFF); + *cur_byte++ = ((param->dtim_period >> 24) & 0xFF); + + *cur_byte++ = (param->head_len & 0xFF); + *cur_byte++ = ((param->head_len >> 8) & 0xFF); + *cur_byte++ = ((param->head_len >> 16) & 0xFF); + *cur_byte++ = ((param->head_len >> 24) & 0xFF); + + memcpy(cur_byte, param->head, param->head_len); + cur_byte += param->head_len; + + *cur_byte++ = (param->tail_len & 0xFF); + *cur_byte++ = ((param->tail_len >> 8) & 0xFF); + *cur_byte++ = ((param->tail_len >> 16) & 0xFF); + *cur_byte++ = ((param->tail_len >> 24) & 0xFF); + + if (param->tail) + memcpy(cur_byte, param->tail, param->tail_len); + cur_byte += param->tail_len; + + result = wilc_send_config_pkt(vif, SET_CFG, &wid, 1, + wilc_get_vif_idx(vif)); + if (result) + netdev_err(vif->ndev, "Failed to send add beacon\n"); + +error: + kfree(wid.val); + kfree(param->head); + kfree(param->tail); + kfree(msg); +} + +static void handle_del_beacon(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; + 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, SET_CFG, &wid, 1, + wilc_get_vif_idx(vif)); + if (result) + netdev_err(vif->ndev, "Failed to send delete beacon\n"); + kfree(msg); +} + +static u32 wilc_hif_pack_sta_param(u8 *buff, struct add_sta_param *param) +{ + u8 *cur_byte; + + cur_byte = buff; + + memcpy(cur_byte, param->bssid, ETH_ALEN); + cur_byte += ETH_ALEN; + + *cur_byte++ = param->aid & 0xFF; + *cur_byte++ = (param->aid >> 8) & 0xFF; + + *cur_byte++ = param->rates_len; + if (param->rates_len > 0) + memcpy(cur_byte, param->rates, param->rates_len); + cur_byte += param->rates_len; + + *cur_byte++ = param->ht_supported; + memcpy(cur_byte, ¶m->ht_capa, sizeof(struct ieee80211_ht_cap)); + cur_byte += sizeof(struct ieee80211_ht_cap); + + *cur_byte++ = param->flags_mask & 0xFF; + *cur_byte++ = (param->flags_mask >> 8) & 0xFF; + + *cur_byte++ = param->flags_set & 0xFF; + *cur_byte++ = (param->flags_set >> 8) & 0xFF; + + return cur_byte - buff; +} + +static void handle_add_station(struct work_struct *work) +{ + struct host_if_msg *msg = container_of(work, struct host_if_msg, work); + struct wilc_vif *vif = msg->vif; + struct add_sta_param *param = &msg->body.add_sta_info; + int result; + struct wid wid; + u8 *cur_byte; + + wid.id = WID_ADD_STA; + wid.type = WID_BIN; + wid.size = WILC_ADD_STA_LENGTH + param->rates_len; + + wid.val = kmalloc(wid.size, GFP_KERNEL); + if (!wid.val) + goto error; + + cur_byte = wid.val; + cur_byte += wilc_hif_pack_sta_param(cur_byte, param); + + result = wilc_send_config_pkt(vif, SET_CFG, &wid, 1, + wilc_get_vif_idx(vif)); + if (result != 0) + netdev_err(vif->ndev, "Failed to send add station\n"); + +error: + kfree(param->rates); + kfree(wid.val); + kfree(msg); +} + +static void handle_del_all_sta(struct work_struct *work) +{ + struct host_if_msg *msg = container_of(work, struct host_if_msg, work); + struct wilc_vif *vif = msg->vif; + struct del_all_sta *param = &msg->body.del_all_sta_info; + int result; + struct wid wid; + u8 *curr_byte; + u8 i; + u8 zero_buff[6] = {0}; + + wid.id = WID_DEL_ALL_STA; + wid.type = WID_STR; + wid.size = (param->assoc_sta * ETH_ALEN) + 1; + + wid.val = kmalloc((param->assoc_sta * ETH_ALEN) + 1, GFP_KERNEL); + if (!wid.val) + goto error; + + curr_byte = wid.val; + + *(curr_byte++) = param->assoc_sta; + + for (i = 0; i < MAX_NUM_STA; i++) { + if (memcmp(param->del_all_sta[i], zero_buff, ETH_ALEN)) + memcpy(curr_byte, param->del_all_sta[i], ETH_ALEN); + else + continue; + + curr_byte += ETH_ALEN; + } + + result = wilc_send_config_pkt(vif, SET_CFG, &wid, 1, + wilc_get_vif_idx(vif)); + if (result) + netdev_err(vif->ndev, "Failed to send delete all station\n"); + +error: + kfree(wid.val); + + /* free 'msg' data in caller */ + complete(&msg->work_comp); +} + +static void handle_del_station(struct work_struct *work) +{ + struct host_if_msg *msg = container_of(work, struct host_if_msg, work); + struct wilc_vif *vif = msg->vif; + struct del_sta *param = &msg->body.del_sta_info; + int result; + struct wid wid; + + wid.id = WID_REMOVE_STA; + wid.type = WID_BIN; + wid.size = ETH_ALEN; + + wid.val = kmalloc(wid.size, GFP_KERNEL); + if (!wid.val) + goto error; + + ether_addr_copy(wid.val, param->mac_addr); + + result = wilc_send_config_pkt(vif, SET_CFG, &wid, 1, + wilc_get_vif_idx(vif)); + if (result) + netdev_err(vif->ndev, "Failed to del station\n"); + +error: + kfree(wid.val); + kfree(msg); +} + +static void handle_edit_station(struct work_struct *work) +{ + struct host_if_msg *msg = container_of(work, struct host_if_msg, work); + struct wilc_vif *vif = msg->vif; + struct add_sta_param *param = &msg->body.edit_sta_info; + int result; + struct wid wid; + u8 *cur_byte; + + wid.id = WID_EDIT_STA; + wid.type = WID_BIN; + wid.size = WILC_ADD_STA_LENGTH + param->rates_len; + + wid.val = kmalloc(wid.size, GFP_KERNEL); + if (!wid.val) + goto error; + + cur_byte = wid.val; + cur_byte += wilc_hif_pack_sta_param(cur_byte, param); + + result = wilc_send_config_pkt(vif, SET_CFG, &wid, 1, + wilc_get_vif_idx(vif)); + if (result) + netdev_err(vif->ndev, "Failed to send edit station\n"); + +error: + kfree(param->rates); + kfree(wid.val); + kfree(msg); +} + +static int handle_remain_on_chan(struct wilc_vif *vif, + struct 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->remain_on_ch_pending) { + 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.ready = hif_remain_ch->ready; + hif_drv->remain_on_ch.ch = hif_remain_ch->ch; + hif_drv->remain_on_ch.id = hif_remain_ch->id; + } else { + hif_remain_ch->ch = hif_drv->remain_on_ch.ch; + } + + if (hif_drv->usr_scan_req.scan_result) { + hif_drv->remain_on_ch_pending = 1; + result = -EBUSY; + goto error; + } + if (hif_drv->hif_state == HOST_IF_WAITING_CONN_RESP) { + result = -EBUSY; + goto error; + } + + if (vif->obtaining_ip || vif->connecting) { + result = -EBUSY; + goto error; + } + + 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) { + result = -ENOMEM; + goto error; + } + + wid.val[0] = remain_on_chan_flag; + wid.val[1] = (s8)hif_remain_ch->ch; + + result = wilc_send_config_pkt(vif, SET_CFG, &wid, 1, + wilc_get_vif_idx(vif)); + kfree(wid.val); + if (result != 0) + netdev_err(vif->ndev, "Failed to set remain on channel\n"); + +error: + hif_drv->remain_on_ch_timer_vif = vif; + mod_timer(&hif_drv->remain_on_ch_timer, + jiffies + msecs_to_jiffies(hif_remain_ch->duration)); + + if (hif_drv->remain_on_ch.ready) + hif_drv->remain_on_ch.ready(hif_drv->remain_on_ch.arg); + + if (hif_drv->remain_on_ch_pending) + hif_drv->remain_on_ch_pending = 0; + + return result; +} + +static void handle_register_frame(struct work_struct *work) +{ + struct host_if_msg *msg = container_of(work, struct host_if_msg, work); + struct wilc_vif *vif = msg->vif; + struct reg_frame *hif_reg_frame = &msg->body.reg_frame; + int result; + struct wid wid; + u8 *cur_byte; + + wid.id = WID_REGISTER_FRAME; + wid.type = WID_STR; + wid.val = kmalloc(sizeof(u16) + 2, GFP_KERNEL); + if (!wid.val) + goto out; + + cur_byte = wid.val; + + *cur_byte++ = hif_reg_frame->reg; + *cur_byte++ = hif_reg_frame->reg_id; + memcpy(cur_byte, &hif_reg_frame->frame_type, sizeof(u16)); + + wid.size = sizeof(u16) + 2; + + result = wilc_send_config_pkt(vif, SET_CFG, &wid, 1, + wilc_get_vif_idx(vif)); + kfree(wid.val); + if (result) + netdev_err(vif->ndev, "Failed to frame register\n"); + +out: + kfree(msg); +} + +static void handle_listen_state_expired(struct work_struct *work) +{ + struct host_if_msg *msg = container_of(work, struct host_if_msg, work); + struct wilc_vif *vif = msg->vif; + struct remain_ch *hif_remain_ch = &msg->body.remain_on_ch; + u8 remain_on_chan_flag; + struct wid wid; + int result; + struct host_if_drv *hif_drv = vif->hif_drv; + struct wilc_priv *priv = wdev_priv(vif->ndev->ieee80211_ptr); + + if (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) + goto free_msg; + + wid.val[0] = remain_on_chan_flag; + wid.val[1] = FALSE_FRMWR_CHANNEL; + + result = wilc_send_config_pkt(vif, SET_CFG, &wid, 1, + wilc_get_vif_idx(vif)); + kfree(wid.val); + if (result != 0) { + netdev_err(vif->ndev, "Failed to set remain channel\n"); + goto free_msg; + } + + if (hif_drv->remain_on_ch.expired) { + hif_drv->remain_on_ch.expired(hif_drv->remain_on_ch.arg, + hif_remain_ch->id); + } + } else { + netdev_dbg(vif->ndev, "Not in listen state\n"); + } + +free_msg: + 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, handle_listen_state_expired, false); + if (IS_ERR(msg)) + return; + + msg->body.remain_on_ch.id = vif->hif_drv->remain_on_ch.id; + + result = wilc_enqueue_work(msg); + if (result) { + netdev_err(vif->ndev, "%s: enqueue work failed\n", __func__); + kfree(msg); + } +} + +static void handle_power_management(struct work_struct *work) +{ + struct host_if_msg *msg = container_of(work, struct host_if_msg, work); + struct wilc_vif *vif = msg->vif; + struct power_mgmt_param *pm_param = &msg->body.pwr_mgmt_info; + int result; + struct wid wid; + s8 power_mode; + + wid.id = WID_POWER_MANAGEMENT; + + if (pm_param->enabled) + power_mode = MIN_FAST_PS; + else + power_mode = NO_POWERSAVE; + + wid.val = &power_mode; + wid.size = sizeof(char); + + result = wilc_send_config_pkt(vif, SET_CFG, &wid, 1, + wilc_get_vif_idx(vif)); + if (result) + netdev_err(vif->ndev, "Failed to send power management\n"); + 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 set_multicast *hif_set_mc = &msg->body.multicast_info; + int result; + struct wid wid; + u8 *cur_byte; + + wid.id = WID_SETUP_MULTICAST_FILTER; + wid.type = WID_BIN; + wid.size = sizeof(struct set_multicast) + (hif_set_mc->cnt * ETH_ALEN); + wid.val = kmalloc(wid.size, GFP_KERNEL); + if (!wid.val) + goto error; + + cur_byte = wid.val; + *cur_byte++ = (hif_set_mc->enabled & 0xFF); + *cur_byte++ = 0; + *cur_byte++ = 0; + *cur_byte++ = 0; + + *cur_byte++ = (hif_set_mc->cnt & 0xFF); + *cur_byte++ = ((hif_set_mc->cnt >> 8) & 0xFF); + *cur_byte++ = ((hif_set_mc->cnt >> 16) & 0xFF); + *cur_byte++ = ((hif_set_mc->cnt >> 24) & 0xFF); + + if (hif_set_mc->cnt > 0 && hif_set_mc->mc_list) + memcpy(cur_byte, hif_set_mc->mc_list, + ((hif_set_mc->cnt) * ETH_ALEN)); + + result = wilc_send_config_pkt(vif, SET_CFG, &wid, 1, + wilc_get_vif_idx(vif)); + if (result) + netdev_err(vif->ndev, "Failed to send setup multicast\n"); + +error: + kfree(hif_set_mc->mc_list); + kfree(wid.val); + kfree(msg); +} + +static void handle_set_tx_pwr(struct work_struct *work) +{ + struct host_if_msg *msg = container_of(work, struct host_if_msg, work); + struct wilc_vif *vif = msg->vif; + u8 tx_pwr = msg->body.tx_power.tx_pwr; + int ret; + struct wid wid; + + wid.id = WID_TX_POWER; + wid.type = WID_CHAR; + wid.val = &tx_pwr; + wid.size = sizeof(char); + + ret = wilc_send_config_pkt(vif, SET_CFG, &wid, 1, + wilc_get_vif_idx(vif)); + if (ret) + netdev_err(vif->ndev, "Failed to set TX PWR\n"); + kfree(msg); +} + +/* Note: 'msg' will be free after using data */ +static void handle_get_tx_pwr(struct work_struct *work) +{ + struct host_if_msg *msg = container_of(work, struct host_if_msg, work); + struct wilc_vif *vif = msg->vif; + u8 *tx_pwr = &msg->body.tx_power.tx_pwr; + int ret; + struct wid wid; + + wid.id = WID_TX_POWER; + wid.type = WID_CHAR; + wid.val = (s8 *)tx_pwr; + wid.size = sizeof(char); + + ret = wilc_send_config_pkt(vif, GET_CFG, &wid, 1, + wilc_get_vif_idx(vif)); + if (ret) + netdev_err(vif->ndev, "Failed to get TX PWR\n"); + + complete(&msg->work_comp); +} + +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_remain_on_chan_work(struct work_struct *work) +{ + struct host_if_msg *msg = container_of(work, struct host_if_msg, work); + + handle_remain_on_chan(msg->vif, &msg->body.remain_on_ch); + kfree(msg); +} + +static void handle_scan_complete(struct work_struct *work) +{ + struct host_if_msg *msg = container_of(work, struct host_if_msg, work); + struct wilc *wilc = msg->vif->wilc; + + del_timer(&msg->vif->hif_drv->scan_timer); + + if (!wilc_wlan_get_num_conn_ifcs(wilc)) + wilc_chip_sleep_manually(wilc); + + handle_scan_done(msg->vif, SCAN_EVENT_DONE); + + if (msg->vif->hif_drv->remain_on_ch_pending) + handle_remain_on_chan(msg->vif, &msg->body.remain_on_ch); + 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) +{ + int result; + struct host_if_msg *msg; + struct host_if_drv *hif_drv = vif->hif_drv; + + if (!hif_drv) { + result = -EFAULT; + netdev_err(vif->ndev, "%s: hif driver is NULL", __func__); + return result; + } + + msg = wilc_alloc_work(vif, handle_key, true); + if (IS_ERR(msg)) + return PTR_ERR(msg); + + msg->body.key_info.type = WEP; + msg->body.key_info.action = REMOVEKEY; + msg->body.key_info.attr.wep.index = index; + + result = wilc_enqueue_work(msg); + if (result) + netdev_err(vif->ndev, "%s: enqueue work failed\n", __func__); + else + wait_for_completion(&msg->work_comp); + + kfree(msg); + return result; +} + +int wilc_set_wep_default_keyid(struct wilc_vif *vif, u8 index) +{ + int result; + struct host_if_msg *msg; + struct host_if_drv *hif_drv = vif->hif_drv; + + if (!hif_drv) { + result = -EFAULT; + netdev_err(vif->ndev, "%s: hif driver is NULL\n", __func__); + return result; + } + + msg = wilc_alloc_work(vif, handle_key, true); + if (IS_ERR(msg)) + return PTR_ERR(msg); + + msg->body.key_info.type = WEP; + msg->body.key_info.action = DEFAULTKEY; + msg->body.key_info.attr.wep.index = index; + + result = wilc_enqueue_work(msg); + if (result) + netdev_err(vif->ndev, "%s: enqueue work failed\n", __func__); + else + wait_for_completion(&msg->work_comp); + + kfree(msg); + return result; +} + +int wilc_add_wep_key_bss_sta(struct wilc_vif *vif, const u8 *key, u8 len, + u8 index) +{ + int result; + struct host_if_msg *msg; + struct host_if_drv *hif_drv = vif->hif_drv; + + if (!hif_drv) { + netdev_err(vif->ndev, "%s: hif driver is NULL", __func__); + return -EFAULT; + } + + msg = wilc_alloc_work(vif, handle_key, true); + if (IS_ERR(msg)) + return PTR_ERR(msg); + + msg->body.key_info.type = WEP; + msg->body.key_info.action = ADDKEY; + msg->body.key_info.attr.wep.key = kmemdup(key, len, GFP_KERNEL); + if (!msg->body.key_info.attr.wep.key) { + result = -ENOMEM; + goto free_msg; + } + + msg->body.key_info.attr.wep.key_len = len; + msg->body.key_info.attr.wep.index = index; + + result = wilc_enqueue_work(msg); + if (result) + goto free_key; + + wait_for_completion(&msg->work_comp); + +free_key: + kfree(msg->body.key_info.attr.wep.key); + +free_msg: + kfree(msg); + 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) +{ + int result; + struct host_if_msg *msg; + struct host_if_drv *hif_drv = vif->hif_drv; + + if (!hif_drv) { + netdev_err(vif->ndev, "%s: hif driver is NULL\n", __func__); + return -EFAULT; + } + + msg = wilc_alloc_work(vif, handle_key, true); + if (IS_ERR(msg)) + return PTR_ERR(msg); + + msg->body.key_info.type = WEP; + msg->body.key_info.action = ADDKEY_AP; + msg->body.key_info.attr.wep.key = kmemdup(key, len, GFP_KERNEL); + if (!msg->body.key_info.attr.wep.key) { + result = -ENOMEM; + goto free_msg; + } + + msg->body.key_info.attr.wep.key_len = len; + msg->body.key_info.attr.wep.index = index; + msg->body.key_info.attr.wep.mode = mode; + msg->body.key_info.attr.wep.auth_type = auth_type; + + result = wilc_enqueue_work(msg); + if (result) + goto free_key; + + wait_for_completion(&msg->work_comp); + +free_key: + kfree(msg->body.key_info.attr.wep.key); + +free_msg: + kfree(msg); + 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; + struct host_if_msg *msg; + struct host_if_drv *hif_drv = vif->hif_drv; + u8 key_len = ptk_key_len; + + if (!hif_drv) { + netdev_err(vif->ndev, "%s: hif driver is NULL", __func__); + return -EFAULT; + } + + if (rx_mic) + key_len += RX_MIC_KEY_LEN; + + if (tx_mic) + key_len += TX_MIC_KEY_LEN; + + msg = wilc_alloc_work(vif, handle_key, true); + if (IS_ERR(msg)) + return PTR_ERR(msg); + + msg->body.key_info.type = WPA_PTK; + if (mode == AP_MODE) { + msg->body.key_info.action = ADDKEY_AP; + msg->body.key_info.attr.wpa.index = index; + } + if (mode == STATION_MODE) + msg->body.key_info.action = ADDKEY; + + msg->body.key_info.attr.wpa.key = kmemdup(ptk, ptk_key_len, GFP_KERNEL); + if (!msg->body.key_info.attr.wpa.key) { + result = -ENOMEM; + goto free_msg; + } + + if (rx_mic) + memcpy(msg->body.key_info.attr.wpa.key + 16, rx_mic, + RX_MIC_KEY_LEN); + + if (tx_mic) + memcpy(msg->body.key_info.attr.wpa.key + 24, tx_mic, + TX_MIC_KEY_LEN); + + msg->body.key_info.attr.wpa.key_len = key_len; + msg->body.key_info.attr.wpa.mac_addr = mac_addr; + msg->body.key_info.attr.wpa.mode = cipher_mode; + + result = wilc_enqueue_work(msg); + if (result) { + netdev_err(vif->ndev, "%s: enqueue work failed\n", __func__); + goto free_key; + } + + wait_for_completion(&msg->work_comp); + +free_key: + kfree(msg->body.key_info.attr.wpa.key); + +free_msg: + kfree(msg); + 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; + struct host_if_msg *msg; + struct host_if_drv *hif_drv = vif->hif_drv; + u8 key_len = gtk_key_len; + + if (!hif_drv) { + netdev_err(vif->ndev, "%s: hif driver is NULL", __func__); + return -EFAULT; + } + + msg = wilc_alloc_work(vif, handle_key, true); + if (IS_ERR(msg)) + return PTR_ERR(msg); + + if (rx_mic) + key_len += RX_MIC_KEY_LEN; + + if (tx_mic) + key_len += TX_MIC_KEY_LEN; + + if (key_rsc) { + msg->body.key_info.attr.wpa.seq = kmemdup(key_rsc, + key_rsc_len, + GFP_KERNEL); + if (!msg->body.key_info.attr.wpa.seq) { + result = -ENOMEM; + goto free_msg; + } + } + + msg->body.key_info.type = WPA_RX_GTK; + + if (mode == AP_MODE) { + msg->body.key_info.action = ADDKEY_AP; + msg->body.key_info.attr.wpa.mode = cipher_mode; + } + if (mode == STATION_MODE) + msg->body.key_info.action = ADDKEY; + + msg->body.key_info.attr.wpa.key = kmemdup(rx_gtk, key_len, GFP_KERNEL); + if (!msg->body.key_info.attr.wpa.key) { + result = -ENOMEM; + goto free_seq; + } + + if (rx_mic) + memcpy(msg->body.key_info.attr.wpa.key + 16, rx_mic, + RX_MIC_KEY_LEN); + + if (tx_mic) + memcpy(msg->body.key_info.attr.wpa.key + 24, tx_mic, + TX_MIC_KEY_LEN); + + msg->body.key_info.attr.wpa.index = index; + msg->body.key_info.attr.wpa.key_len = key_len; + msg->body.key_info.attr.wpa.seq_len = key_rsc_len; + + result = wilc_enqueue_work(msg); + if (result) { + netdev_err(vif->ndev, "%s: enqueue work failed\n", __func__); + goto free_key; + } + + wait_for_completion(&msg->work_comp); + +free_key: + kfree(msg->body.key_info.attr.wpa.key); + +free_seq: + kfree(msg->body.key_info.attr.wpa.seq); + +free_msg: + kfree(msg); + return result; +} + +int wilc_set_pmkid_info(struct wilc_vif *vif, + struct host_if_pmkid_attr *pmkid) +{ + int result; + struct host_if_msg *msg; + int i; + + msg = wilc_alloc_work(vif, handle_key, false); + if (IS_ERR(msg)) + return PTR_ERR(msg); + + msg->body.key_info.type = PMKSA; + msg->body.key_info.action = ADDKEY; + + for (i = 0; i < pmkid->numpmkid; i++) { + memcpy(msg->body.key_info.attr.pmkid.pmkidlist[i].bssid, + &pmkid->pmkidlist[i].bssid, ETH_ALEN); + memcpy(msg->body.key_info.attr.pmkid.pmkidlist[i].pmkid, + &pmkid->pmkidlist[i].pmkid, PMKID_LEN); + } + + result = wilc_enqueue_work(msg); + if (result) { + netdev_err(vif->ndev, "%s: enqueue work failed\n", __func__); + kfree(msg); + } + + return result; +} + +int wilc_get_mac_address(struct wilc_vif *vif, u8 *mac_addr) +{ + int result; + struct host_if_msg *msg; + + msg = wilc_alloc_work(vif, handle_get_mac_address, true); + if (IS_ERR(msg)) + return PTR_ERR(msg); + + msg->body.get_mac_info.mac_addr = mac_addr; + + result = wilc_enqueue_work(msg); + if (result) + netdev_err(vif->ndev, "%s: enqueue work failed\n", __func__); + else + wait_for_completion(&msg->work_comp); + + kfree(msg); + + return result; +} + +int wilc_set_join_req(struct wilc_vif *vif, u8 *bssid, const u8 *ssid, + size_t ssid_len, const u8 *ies, size_t ies_len, + wilc_connect_result connect_result, void *user_arg, + u8 security, enum authtype auth_type, + u8 channel, void *join_params) +{ + int result; + struct host_if_msg *msg; + struct host_if_drv *hif_drv = vif->hif_drv; + + if (!hif_drv || !connect_result) { + netdev_err(vif->ndev, + "%s: hif driver or connect result is NULL", + __func__); + return -EFAULT; + } + + if (!join_params) { + netdev_err(vif->ndev, "%s: joinparams is NULL\n", __func__); + return -EFAULT; + } + + msg = wilc_alloc_work(vif, handle_connect, false); + if (IS_ERR(msg)) + return PTR_ERR(msg); + + msg->body.con_info.security = security; + msg->body.con_info.auth_type = auth_type; + msg->body.con_info.ch = channel; + msg->body.con_info.result = connect_result; + msg->body.con_info.arg = user_arg; + msg->body.con_info.params = join_params; + + if (bssid) { + msg->body.con_info.bssid = kmemdup(bssid, 6, GFP_KERNEL); + if (!msg->body.con_info.bssid) { + result = -ENOMEM; + goto free_msg; + } + } + + if (ssid) { + msg->body.con_info.ssid_len = ssid_len; + msg->body.con_info.ssid = kmemdup(ssid, ssid_len, GFP_KERNEL); + if (!msg->body.con_info.ssid) { + result = -ENOMEM; + goto free_bssid; + } + } + + if (ies) { + msg->body.con_info.ies_len = ies_len; + msg->body.con_info.ies = kmemdup(ies, ies_len, GFP_KERNEL); + if (!msg->body.con_info.ies) { + result = -ENOMEM; + goto free_ssid; + } + } + if (hif_drv->hif_state < HOST_IF_CONNECTING) + hif_drv->hif_state = HOST_IF_CONNECTING; + + result = wilc_enqueue_work(msg); + if (result) { + netdev_err(vif->ndev, "%s: enqueue work failed\n", __func__); + goto free_ies; + } + + hif_drv->connect_timer_vif = vif; + mod_timer(&hif_drv->connect_timer, + jiffies + msecs_to_jiffies(HOST_IF_CONNECT_TIMEOUT)); + + return 0; + +free_ies: + kfree(msg->body.con_info.ies); + +free_ssid: + kfree(msg->body.con_info.ssid); + +free_bssid: + kfree(msg->body.con_info.bssid); + +free_msg: + kfree(msg); + return result; +} + +int wilc_disconnect(struct wilc_vif *vif, u16 reason_code) +{ + int result; + struct host_if_msg *msg; + struct host_if_drv *hif_drv = vif->hif_drv; + + if (!hif_drv) { + netdev_err(vif->ndev, "%s: hif driver is NULL", __func__); + return -EFAULT; + } + + msg = wilc_alloc_work(vif, handle_disconnect, true); + if (IS_ERR(msg)) + return PTR_ERR(msg); + + result = wilc_enqueue_work(msg); + if (result) + netdev_err(vif->ndev, "%s: enqueue work failed\n", __func__); + else + wait_for_completion(&msg->work_comp); + + kfree(msg); + return result; +} + +int wilc_set_mac_chnl_num(struct wilc_vif *vif, u8 channel) +{ + int result; + struct host_if_msg *msg; + + msg = wilc_alloc_work(vif, handle_set_channel, false); + if (IS_ERR(msg)) + return PTR_ERR(msg); + + msg->body.channel_info.set_ch = channel; + + result = wilc_enqueue_work(msg); + if (result) { + netdev_err(vif->ndev, "%s: enqueue work failed\n", __func__); + kfree(msg); + } + + return result; +} + +int wilc_set_wfi_drv_handler(struct wilc_vif *vif, int index, u8 mode, + u8 ifc_id, bool is_sync) +{ + int result; + struct host_if_msg *msg; + + msg = wilc_alloc_work(vif, handle_set_wfi_drv_handler, is_sync); + if (IS_ERR(msg)) + return PTR_ERR(msg); + + msg->body.drv.handler = index; + msg->body.drv.mode = mode; + msg->body.drv.name = ifc_id; + + result = wilc_enqueue_work(msg); + if (result) { + netdev_err(vif->ndev, "%s: enqueue work failed\n", __func__); + kfree(msg); + return result; + } + + if (is_sync) + wait_for_completion(&msg->work_comp); + + return result; +} + +int wilc_set_operation_mode(struct wilc_vif *vif, u32 mode) +{ + int result; + struct host_if_msg *msg; + + msg = wilc_alloc_work(vif, handle_set_operation_mode, false); + if (IS_ERR(msg)) + return PTR_ERR(msg); + + msg->body.mode.mode = mode; + result = wilc_enqueue_work(msg); + if (result) { + netdev_err(vif->ndev, "%s: enqueue work failed\n", __func__); + kfree(msg); + } + + return result; +} + +s32 wilc_get_inactive_time(struct wilc_vif *vif, const u8 *mac, + u32 *out_val) +{ + s32 result; + struct host_if_msg *msg; + struct host_if_drv *hif_drv = vif->hif_drv; + + if (!hif_drv) { + netdev_err(vif->ndev, "%s: hif driver is NULL", __func__); + return -EFAULT; + } + + msg = wilc_alloc_work(vif, handle_get_inactive_time, true); + if (IS_ERR(msg)) + return PTR_ERR(msg); + + memcpy(msg->body.mac_info.mac, mac, ETH_ALEN); + + result = wilc_enqueue_work(msg); + if (result) + netdev_err(vif->ndev, "%s: enqueue work failed\n", __func__); + else + wait_for_completion(&msg->work_comp); + + *out_val = msg->body.mac_info.inactive_time; + kfree(msg); + + return result; +} + +int wilc_get_rssi(struct wilc_vif *vif, s8 *rssi_level) +{ + int result; + struct host_if_msg *msg; + + if (!rssi_level) { + netdev_err(vif->ndev, "%s: RSSI level is NULL\n", __func__); + return -EFAULT; + } + + msg = wilc_alloc_work(vif, handle_get_rssi, true); + if (IS_ERR(msg)) + return PTR_ERR(msg); + + msg->body.data = kzalloc(sizeof(s8), GFP_KERNEL); + if (!msg->body.data) { + kfree(msg); + return -ENOMEM; + } + + result = wilc_enqueue_work(msg); + if (result) { + netdev_err(vif->ndev, "%s: enqueue work failed\n", __func__); + } else { + wait_for_completion(&msg->work_comp); + *rssi_level = *msg->body.data; + } + + kfree(msg->body.data); + kfree(msg); + + return result; +} + +int +wilc_get_statistics(struct wilc_vif *vif, struct rf_info *stats, bool is_sync) +{ + int result; + struct host_if_msg *msg; + + msg = wilc_alloc_work(vif, handle_get_statistics, is_sync); + 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; + } + + if (is_sync) { + wait_for_completion(&msg->work_comp); + kfree(msg); + } + + return result; +} + +int wilc_scan(struct wilc_vif *vif, u8 scan_source, u8 scan_type, + u8 *ch_freq_list, u8 ch_list_len, const u8 *ies, + size_t ies_len, wilc_scan_result scan_result, void *user_arg, + struct hidden_network *hidden_network) +{ + int result; + struct host_if_msg *msg; + struct scan_attr *scan_info; + struct host_if_drv *hif_drv = vif->hif_drv; + + if (!hif_drv || !scan_result) { + netdev_err(vif->ndev, "hif_drv or scan_result = NULL\n"); + return -EFAULT; + } + + msg = wilc_alloc_work(vif, handle_scan, false); + if (IS_ERR(msg)) + return PTR_ERR(msg); + + scan_info = &msg->body.scan_info; + + if (hidden_network) { + scan_info->hidden_network.net_info = hidden_network->net_info; + scan_info->hidden_network.n_ssids = hidden_network->n_ssids; + } + + scan_info->src = scan_source; + scan_info->type = scan_type; + scan_info->result = scan_result; + scan_info->arg = user_arg; + + scan_info->ch_list_len = ch_list_len; + scan_info->ch_freq_list = kmemdup(ch_freq_list, + ch_list_len, + GFP_KERNEL); + if (!scan_info->ch_freq_list) { + result = -ENOMEM; + goto free_msg; + } + + scan_info->ies_len = ies_len; + scan_info->ies = kmemdup(ies, ies_len, GFP_KERNEL); + if (!scan_info->ies) { + result = -ENOMEM; + goto free_freq_list; + } + + result = wilc_enqueue_work(msg); + if (result) { + netdev_err(vif->ndev, "%s: enqueue work failed\n", __func__); + goto free_ies; + } + + hif_drv->scan_timer_vif = vif; + mod_timer(&hif_drv->scan_timer, + jiffies + msecs_to_jiffies(HOST_IF_SCAN_TIMEOUT)); + + return 0; + +free_ies: + kfree(scan_info->ies); + +free_freq_list: + kfree(scan_info->ch_freq_list); + +free_msg: + kfree(msg); + return result; +} + +int wilc_hif_set_cfg(struct wilc_vif *vif, + struct cfg_param_attr *cfg_param) +{ + struct host_if_msg *msg; + struct host_if_drv *hif_drv = vif->hif_drv; + int result; + + if (!hif_drv) { + netdev_err(vif->ndev, "%s: hif driver is NULL", __func__); + return -EFAULT; + } + + msg = wilc_alloc_work(vif, handle_cfg_param, false); + if (IS_ERR(msg)) + return PTR_ERR(msg); + + msg->body.cfg_info = *cfg_param; + result = wilc_enqueue_work(msg); + if (result) + kfree(msg); + + return result; +} + +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_statistics(vif, &vif->periodic_stat, false); + + 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; + int i; + + hif_drv = kzalloc(sizeof(*hif_drv), GFP_KERNEL); + if (!hif_drv) + return -ENOMEM; + + *hif_drv_handler = hif_drv; + for (i = 0; i < wilc->vif_num; i++) + if (dev == wilc->vif[i]->ndev) { + wilc->vif[i]->hif_drv = hif_drv; + hif_drv->driver_handler_id = i + 1; + break; + } + + vif->obtaining_ip = false; + + if (wilc->clients_count == 0) + mutex_init(&hif_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); + + mutex_init(&hif_drv->cfg_values_lock); + mutex_lock(&hif_drv->cfg_values_lock); + + hif_drv->hif_state = HOST_IF_IDLE; + hif_drv->cfg_values.site_survey_enabled = SITE_SURVEY_OFF; + hif_drv->cfg_values.scan_source = DEFAULT_SCAN; + hif_drv->cfg_values.active_scan_time = ACTIVE_SCAN_TIME; + hif_drv->cfg_values.passive_scan_time = PASSIVE_SCAN_TIME; + hif_drv->cfg_values.curr_tx_rate = AUTORATE; + + hif_drv->p2p_timeout = 0; + + mutex_unlock(&hif_drv->cfg_values_lock); + + 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(&hif_deinit_lock); + + terminated_handle = hif_drv; + + 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); + + wilc_set_wfi_drv_handler(vif, 0, 0, 0, true); + + 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, + NULL); + hif_drv->usr_scan_req.scan_result = NULL; + } + + hif_drv->hif_state = HOST_IF_IDLE; + + kfree(hif_drv); + + vif->wilc->clients_count--; + terminated_handle = NULL; + mutex_unlock(&hif_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 = buffer[length - 4]; + id |= (buffer[length - 3] << 8); + id |= (buffer[length - 2] << 16); + id |= (buffer[length - 1] << 24); + vif = wilc_get_vif_from_idx(wilc, id); + if (!vif) + return; + hif_drv = vif->hif_drv; + + if (!hif_drv || hif_drv == terminated_handle) { + 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.len = length; + msg->body.net_info.buffer = kmemdup(buffer, length, GFP_KERNEL); + if (!msg->body.net_info.buffer) { + 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.buffer); + 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(&hif_deinit_lock); + + id = buffer[length - 4]; + id |= (buffer[length - 3] << 8); + id |= (buffer[length - 2] << 16); + id |= (buffer[length - 1] << 24); + vif = wilc_get_vif_from_idx(wilc, id); + if (!vif) { + mutex_unlock(&hif_deinit_lock); + return; + } + + hif_drv = vif->hif_drv; + + if (!hif_drv || hif_drv == terminated_handle) { + mutex_unlock(&hif_deinit_lock); + return; + } + + if (!hif_drv->usr_conn_req.conn_result) { + netdev_err(vif->ndev, "%s: conn_result is NULL\n", __func__); + mutex_unlock(&hif_deinit_lock); + return; + } + + msg = wilc_alloc_work(vif, handle_rcvd_gnrl_async_info, false); + if (IS_ERR(msg)) { + mutex_unlock(&hif_deinit_lock); + return; + } + + msg->body.async_info.len = length; + msg->body.async_info.buffer = kmemdup(buffer, length, GFP_KERNEL); + if (!msg->body.async_info.buffer) { + kfree(msg); + mutex_unlock(&hif_deinit_lock); + return; + } + + result = wilc_enqueue_work(msg); + if (result) { + netdev_err(vif->ndev, "%s: enqueue work failed\n", __func__); + kfree(msg->body.async_info.buffer); + kfree(msg); + } + + mutex_unlock(&hif_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 = buffer[length - 4]; + id |= buffer[length - 3] << 8; + id |= buffer[length - 2] << 16; + id |= buffer[length - 1] << 24; + vif = wilc_get_vif_from_idx(wilc, id); + if (!vif) + return; + hif_drv = vif->hif_drv; + + if (!hif_drv || hif_drv == terminated_handle) + 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, u32 session_id, + u32 duration, u16 chan, + wilc_remain_on_chan_expired expired, + wilc_remain_on_chan_ready ready, + void *user_arg) +{ + int result; + struct host_if_msg *msg; + + msg = wilc_alloc_work(vif, handle_remain_on_chan_work, false); + if (IS_ERR(msg)) + return PTR_ERR(msg); + + msg->body.remain_on_ch.ch = chan; + msg->body.remain_on_ch.expired = expired; + msg->body.remain_on_ch.ready = ready; + msg->body.remain_on_ch.arg = user_arg; + msg->body.remain_on_ch.duration = duration; + msg->body.remain_on_ch.id = session_id; + + result = wilc_enqueue_work(msg); + if (result) { + netdev_err(vif->ndev, "%s: enqueue work failed\n", __func__); + kfree(msg); + } + + return result; +} + +int wilc_listen_state_expired(struct wilc_vif *vif, u32 session_id) +{ + int result; + struct host_if_msg *msg; + struct host_if_drv *hif_drv = vif->hif_drv; + + if (!hif_drv) { + netdev_err(vif->ndev, "%s: hif driver is NULL", __func__); + return -EFAULT; + } + + del_timer(&hif_drv->remain_on_ch_timer); + + msg = wilc_alloc_work(vif, handle_listen_state_expired, false); + if (IS_ERR(msg)) + return PTR_ERR(msg); + + msg->body.remain_on_ch.id = session_id; + + result = wilc_enqueue_work(msg); + if (result) { + netdev_err(vif->ndev, "%s: enqueue work failed\n", __func__); + kfree(msg); + } + + return result; +} + +void wilc_frame_register(struct wilc_vif *vif, u16 frame_type, bool reg) +{ + int result; + struct host_if_msg *msg; + + msg = wilc_alloc_work(vif, handle_register_frame, false); + if (IS_ERR(msg)) + return; + + switch (frame_type) { + case ACTION: + msg->body.reg_frame.reg_id = ACTION_FRM_IDX; + break; + + case PROBE_REQ: + msg->body.reg_frame.reg_id = PROBE_REQ_IDX; + break; + + default: + break; + } + msg->body.reg_frame.frame_type = frame_type; + msg->body.reg_frame.reg = reg; + + result = wilc_enqueue_work(msg); + if (result) { + netdev_err(vif->ndev, "%s: enqueue work failed\n", __func__); + kfree(msg); + } +} + +int wilc_add_beacon(struct wilc_vif *vif, u32 interval, u32 dtim_period, + u32 head_len, u8 *head, u32 tail_len, u8 *tail) +{ + int result; + struct host_if_msg *msg; + struct beacon_attr *beacon_info; + + msg = wilc_alloc_work(vif, handle_add_beacon, false); + if (IS_ERR(msg)) + return PTR_ERR(msg); + + beacon_info = &msg->body.beacon_info; + beacon_info->interval = interval; + beacon_info->dtim_period = dtim_period; + beacon_info->head_len = head_len; + beacon_info->head = kmemdup(head, head_len, GFP_KERNEL); + if (!beacon_info->head) { + result = -ENOMEM; + goto error; + } + beacon_info->tail_len = tail_len; + + if (tail_len > 0) { + beacon_info->tail = kmemdup(tail, tail_len, GFP_KERNEL); + if (!beacon_info->tail) { + result = -ENOMEM; + goto error; + } + } else { + beacon_info->tail = NULL; + } + + result = wilc_enqueue_work(msg); + if (result) + netdev_err(vif->ndev, "%s: enqueue work failed\n", __func__); + +error: + if (result) { + kfree(beacon_info->head); + kfree(beacon_info->tail); + kfree(msg); + } + + return result; +} + +int wilc_del_beacon(struct wilc_vif *vif) +{ + int result; + struct host_if_msg *msg; + + msg = wilc_alloc_work(vif, handle_del_beacon, false); + if (IS_ERR(msg)) + return PTR_ERR(msg); + + result = wilc_enqueue_work(msg); + if (result) { + netdev_err(vif->ndev, "%s: enqueue work failed\n", __func__); + kfree(msg); + } + + return result; +} + +int wilc_add_station(struct wilc_vif *vif, struct add_sta_param *sta_param) +{ + int result; + struct host_if_msg *msg; + struct add_sta_param *add_sta_info; + + msg = wilc_alloc_work(vif, handle_add_station, false); + if (IS_ERR(msg)) + return PTR_ERR(msg); + + add_sta_info = &msg->body.add_sta_info; + memcpy(add_sta_info, sta_param, sizeof(struct add_sta_param)); + if (add_sta_info->rates_len > 0) { + add_sta_info->rates = kmemdup(sta_param->rates, + add_sta_info->rates_len, + GFP_KERNEL); + if (!add_sta_info->rates) { + kfree(msg); + return -ENOMEM; + } + } + + result = wilc_enqueue_work(msg); + if (result) { + netdev_err(vif->ndev, "%s: enqueue work failed\n", __func__); + kfree(add_sta_info->rates); + kfree(msg); + } + return result; +} + +int wilc_del_station(struct wilc_vif *vif, const u8 *mac_addr) +{ + int result; + struct host_if_msg *msg; + struct del_sta *del_sta_info; + + msg = wilc_alloc_work(vif, handle_del_station, false); + if (IS_ERR(msg)) + return PTR_ERR(msg); + + del_sta_info = &msg->body.del_sta_info; + + if (!mac_addr) + eth_broadcast_addr(del_sta_info->mac_addr); + else + memcpy(del_sta_info->mac_addr, mac_addr, ETH_ALEN); + + result = wilc_enqueue_work(msg); + if (result) { + netdev_err(vif->ndev, "%s: enqueue work failed\n", __func__); + kfree(msg); + } + return result; +} + +int wilc_del_allstation(struct wilc_vif *vif, u8 mac_addr[][ETH_ALEN]) +{ + int result; + struct host_if_msg *msg; + struct del_all_sta *del_all_sta_info; + u8 zero_addr[ETH_ALEN] = {0}; + int i; + u8 assoc_sta = 0; + + msg = wilc_alloc_work(vif, handle_del_all_sta, true); + if (IS_ERR(msg)) + return PTR_ERR(msg); + + del_all_sta_info = &msg->body.del_all_sta_info; + + for (i = 0; i < MAX_NUM_STA; i++) { + if (memcmp(mac_addr[i], zero_addr, ETH_ALEN)) { + memcpy(del_all_sta_info->del_all_sta[i], mac_addr[i], + ETH_ALEN); + assoc_sta++; + } + } + if (!assoc_sta) { + kfree(msg); + return 0; + } + + del_all_sta_info->assoc_sta = assoc_sta; + result = wilc_enqueue_work(msg); + + if (result) + netdev_err(vif->ndev, "%s: enqueue work failed\n", __func__); + else + wait_for_completion(&msg->work_comp); + + kfree(msg); + + return result; +} + +int wilc_edit_station(struct wilc_vif *vif, + struct add_sta_param *sta_param) +{ + int result; + struct host_if_msg *msg; + struct add_sta_param *add_sta_info; + + msg = wilc_alloc_work(vif, handle_edit_station, false); + if (IS_ERR(msg)) + return PTR_ERR(msg); + + add_sta_info = &msg->body.add_sta_info; + memcpy(add_sta_info, sta_param, sizeof(*add_sta_info)); + if (add_sta_info->rates_len > 0) { + add_sta_info->rates = kmemdup(sta_param->rates, + add_sta_info->rates_len, + GFP_KERNEL); + if (!add_sta_info->rates) { + kfree(msg); + return -ENOMEM; + } + } + + result = wilc_enqueue_work(msg); + if (result) { + netdev_err(vif->ndev, "%s: enqueue work failed\n", __func__); + kfree(add_sta_info->rates); + kfree(msg); + } + + return result; +} + +int wilc_set_power_mgmt(struct wilc_vif *vif, bool enabled, u32 timeout) +{ + int result; + struct host_if_msg *msg; + + if (wilc_wlan_get_num_conn_ifcs(vif->wilc) == 2 && enabled) + return 0; + + msg = wilc_alloc_work(vif, handle_power_management, false); + if (IS_ERR(msg)) + return PTR_ERR(msg); + + msg->body.pwr_mgmt_info.enabled = enabled; + msg->body.pwr_mgmt_info.timeout = timeout; + + result = wilc_enqueue_work(msg); + if (result) { + netdev_err(vif->ndev, "%s: enqueue work failed\n", __func__); + kfree(msg); + } + return result; +} + +int wilc_setup_multicast_filter(struct wilc_vif *vif, bool 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.multicast_info.enabled = enabled; + msg->body.multicast_info.cnt = count; + msg->body.multicast_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) +{ + int ret; + struct host_if_msg *msg; + + msg = wilc_alloc_work(vif, handle_set_tx_pwr, false); + if (IS_ERR(msg)) + return PTR_ERR(msg); + + msg->body.tx_power.tx_pwr = tx_power; + + ret = wilc_enqueue_work(msg); + if (ret) { + netdev_err(vif->ndev, "%s: enqueue work failed\n", __func__); + kfree(msg); + } + + return ret; +} + +int wilc_get_tx_power(struct wilc_vif *vif, u8 *tx_power) +{ + int ret; + struct host_if_msg *msg; + + msg = wilc_alloc_work(vif, handle_get_tx_pwr, true); + if (IS_ERR(msg)) + return PTR_ERR(msg); + + ret = wilc_enqueue_work(msg); + if (ret) { + netdev_err(vif->ndev, "%s: enqueue work failed\n", __func__); + } else { + wait_for_completion(&msg->work_comp); + *tx_power = msg->body.tx_power.tx_pwr; + } + + /* free 'msg' after copying data */ + kfree(msg); + return ret; +}