From patchwork Wed Sep 26 10:25:18 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ajay Singh X-Patchwork-Id: 10615665 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 17B3514BD for ; Wed, 26 Sep 2018 10:26:19 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 0DB192A7A4 for ; Wed, 26 Sep 2018 10:26:19 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 017EE2A7B8; Wed, 26 Sep 2018 10:26:18 +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 B8DDE2A7A4 for ; Wed, 26 Sep 2018 10:26:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728085AbeIZQi3 (ORCPT ); Wed, 26 Sep 2018 12:38:29 -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 S1728080AbeIZQi2 (ORCPT ); Wed, 26 Sep 2018 12:38:28 -0400 X-IronPort-AV: E=Sophos;i="5.54,306,1534834800"; d="scan'208";a="21366796" 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 03:26:11 -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 03:26:10 -0700 From: Ajay Singh To: CC: , , , , , , , Ajay Singh Subject: [PATCH 12/19] wilc: add wilc_wfi_cfgoperations.c Date: Wed, 26 Sep 2018 15:55:18 +0530 Message-ID: <1537957525-11467-13-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/wilc_wfi_cfgoperations.c' to 'drivers/net/wireless/microchip/wilc/'. Signed-off-by: Ajay Singh --- .../microchip/wilc/wilc_wfi_cfgoperations.c | 2216 ++++++++++++++++++++ 1 file changed, 2216 insertions(+) create mode 100644 drivers/net/wireless/microchip/wilc/wilc_wfi_cfgoperations.c diff --git a/drivers/net/wireless/microchip/wilc/wilc_wfi_cfgoperations.c b/drivers/net/wireless/microchip/wilc/wilc_wfi_cfgoperations.c new file mode 100644 index 0000000..4fbbbbd --- /dev/null +++ b/drivers/net/wireless/microchip/wilc/wilc_wfi_cfgoperations.c @@ -0,0 +1,2216 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (c) 2012 - 2018 Microchip Technology Inc., and its subsidiaries. + * All rights reserved. + */ + +#include "wilc_wfi_cfgoperations.h" + +#define NO_ENCRYPT 0 +#define ENCRYPT_ENABLED BIT(0) +#define WEP BIT(1) +#define WEP_EXTENDED BIT(2) +#define WPA BIT(3) +#define WPA2 BIT(4) +#define AES BIT(5) +#define TKIP BIT(6) + +#define FRAME_TYPE_ID 0 +#define ACTION_CAT_ID 24 +#define ACTION_SUBTYPE_ID 25 +#define P2P_PUB_ACTION_SUBTYPE 30 + +#define ACTION_FRAME 0xd0 +#define GO_INTENT_ATTR_ID 0x04 +#define CHANLIST_ATTR_ID 0x0b +#define OPERCHAN_ATTR_ID 0x11 +#define PUB_ACTION_ATTR_ID 0x04 +#define P2PELEM_ATTR_ID 0xdd + +#define GO_NEG_REQ 0x00 +#define GO_NEG_RSP 0x01 +#define GO_NEG_CONF 0x02 +#define P2P_INV_REQ 0x03 +#define P2P_INV_RSP 0x04 +#define PUBLIC_ACT_VENDORSPEC 0x09 +#define GAS_INITIAL_REQ 0x0a +#define GAS_INITIAL_RSP 0x0b + +#define INVALID_CHANNEL 0 + +#define nl80211_SCAN_RESULT_EXPIRE (3 * HZ) +#define SCAN_RESULT_EXPIRE (40 * HZ) + +static const u32 cipher_suites[] = { + WLAN_CIPHER_SUITE_WEP40, + WLAN_CIPHER_SUITE_WEP104, + WLAN_CIPHER_SUITE_TKIP, + WLAN_CIPHER_SUITE_CCMP, + WLAN_CIPHER_SUITE_AES_CMAC, +}; + +static const struct ieee80211_txrx_stypes + wilc_wfi_cfg80211_mgmt_types[NUM_NL80211_IFTYPES] = { + [NL80211_IFTYPE_STATION] = { + .tx = 0xffff, + .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | + BIT(IEEE80211_STYPE_PROBE_REQ >> 4) + }, + [NL80211_IFTYPE_AP] = { + .tx = 0xffff, + .rx = BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) | + BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) | + BIT(IEEE80211_STYPE_PROBE_REQ >> 4) | + BIT(IEEE80211_STYPE_DISASSOC >> 4) | + BIT(IEEE80211_STYPE_AUTH >> 4) | + BIT(IEEE80211_STYPE_DEAUTH >> 4) | + BIT(IEEE80211_STYPE_ACTION >> 4) + }, + [NL80211_IFTYPE_P2P_CLIENT] = { + .tx = 0xffff, + .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | + BIT(IEEE80211_STYPE_PROBE_REQ >> 4) | + BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) | + BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) | + BIT(IEEE80211_STYPE_DISASSOC >> 4) | + BIT(IEEE80211_STYPE_AUTH >> 4) | + BIT(IEEE80211_STYPE_DEAUTH >> 4) + } +}; + +static const struct wiphy_wowlan_support wowlan_support = { + .flags = WIPHY_WOWLAN_ANY +}; + +#define CHAN2G(_channel, _freq, _flags) { \ + .band = NL80211_BAND_2GHZ, \ + .center_freq = (_freq), \ + .hw_value = (_channel), \ + .flags = (_flags), \ + .max_antenna_gain = 0, \ + .max_power = 30, \ +} + +static struct ieee80211_channel ieee80211_2ghz_channels[] = { + CHAN2G(1, 2412, 0), + CHAN2G(2, 2417, 0), + CHAN2G(3, 2422, 0), + CHAN2G(4, 2427, 0), + CHAN2G(5, 2432, 0), + CHAN2G(6, 2437, 0), + CHAN2G(7, 2442, 0), + CHAN2G(8, 2447, 0), + CHAN2G(9, 2452, 0), + CHAN2G(10, 2457, 0), + CHAN2G(11, 2462, 0), + CHAN2G(12, 2467, 0), + CHAN2G(13, 2472, 0), + CHAN2G(14, 2484, 0), +}; + +#define RATETAB_ENT(_rate, _hw_value, _flags) { \ + .bitrate = (_rate), \ + .hw_value = (_hw_value), \ + .flags = (_flags), \ +} + +static struct ieee80211_rate ieee80211_bitrates[] = { + RATETAB_ENT(10, 0, 0), + RATETAB_ENT(20, 1, 0), + RATETAB_ENT(55, 2, 0), + RATETAB_ENT(110, 3, 0), + RATETAB_ENT(60, 9, 0), + RATETAB_ENT(90, 6, 0), + RATETAB_ENT(120, 7, 0), + RATETAB_ENT(180, 8, 0), + RATETAB_ENT(240, 9, 0), + RATETAB_ENT(360, 10, 0), + RATETAB_ENT(480, 11, 0), + RATETAB_ENT(540, 12, 0), +}; + +struct p2p_mgmt_data { + int size; + u8 *buff; +}; + +static u8 wlan_channel = INVALID_CHANNEL; +static u8 curr_channel; +static u8 p2p_oui[] = {0x50, 0x6f, 0x9A, 0x09}; +static u8 p2p_vendor_spec[] = {0xdd, 0x05, 0x00, 0x08, 0x40, 0x03}; + +static struct ieee80211_supported_band wilc_band_2ghz = { + .channels = ieee80211_2ghz_channels, + .n_channels = ARRAY_SIZE(ieee80211_2ghz_channels), + .bitrates = ieee80211_bitrates, + .n_bitrates = ARRAY_SIZE(ieee80211_bitrates), +}; + +#define AGING_TIME (9 * 1000) +#define DURING_IP_TIME_OUT 15000 + +static void clear_shadow_scan(struct wilc_priv *priv) +{ + int i; + + for (i = 0; i < priv->scanned_cnt; i++) { + kfree(priv->scanned_shadow[i].ies); + priv->scanned_shadow[i].ies = NULL; + + kfree(priv->scanned_shadow[i].join_params); + priv->scanned_shadow[i].join_params = NULL; + } + priv->scanned_cnt = 0; +} + +static u32 get_rssi_avg(struct network_info *network_info) +{ + u8 i; + int rssi_v = 0; + u8 num_rssi = (network_info->rssi_history.full) ? + NUM_RSSI : (network_info->rssi_history.index); + + for (i = 0; i < num_rssi; i++) + rssi_v += network_info->rssi_history.samples[i]; + + rssi_v /= num_rssi; + return rssi_v; +} + +static void refresh_scan(struct wilc_priv *priv, bool direct_scan) +{ + struct wiphy *wiphy = priv->dev->ieee80211_ptr->wiphy; + int i; + + for (i = 0; i < priv->scanned_cnt; i++) { + struct network_info *network_info; + s32 freq; + struct ieee80211_channel *channel; + int rssi; + struct cfg80211_bss *bss; + + network_info = &priv->scanned_shadow[i]; + + if (!memcmp("DIRECT-", network_info->ssid, 7) && !direct_scan) + continue; + + freq = ieee80211_channel_to_frequency((s32)network_info->ch, + NL80211_BAND_2GHZ); + channel = ieee80211_get_channel(wiphy, freq); + rssi = get_rssi_avg(network_info); + bss = cfg80211_inform_bss(wiphy, + channel, + CFG80211_BSS_FTYPE_UNKNOWN, + network_info->bssid, + network_info->tsf_hi, + network_info->cap_info, + network_info->beacon_period, + (const u8 *)network_info->ies, + (size_t)network_info->ies_len, + (s32)rssi * 100, + GFP_KERNEL); + cfg80211_put_bss(wiphy, bss); + } +} + +static void reset_shadow_found(struct wilc_priv *priv) +{ + int i; + + for (i = 0; i < priv->scanned_cnt; i++) + priv->scanned_shadow[i].found = 0; +} + +static void update_scan_time(struct wilc_priv *priv) +{ + int i; + + for (i = 0; i < priv->scanned_cnt; i++) + priv->scanned_shadow[i].time_scan = jiffies; +} + +static void remove_network_from_shadow(struct timer_list *t) +{ + struct wilc_priv *priv = from_timer(priv, t, aging_timer); + unsigned long now = jiffies; + int i, j; + + for (i = 0; i < priv->scanned_cnt; i++) { + if (!time_after(now, priv->scanned_shadow[i].time_scan + + (unsigned long)(SCAN_RESULT_EXPIRE))) + continue; + kfree(priv->scanned_shadow[i].ies); + priv->scanned_shadow[i].ies = NULL; + + kfree(priv->scanned_shadow[i].join_params); + + for (j = i; (j < priv->scanned_cnt - 1); j++) + priv->scanned_shadow[j] = priv->scanned_shadow[j + 1]; + + priv->scanned_cnt--; + } + + if (priv->scanned_cnt != 0) + mod_timer(&priv->aging_timer, + jiffies + msecs_to_jiffies(AGING_TIME)); +} + +static void clear_during_ip(struct timer_list *t) +{ + struct wilc_vif *vif = from_timer(vif, t, during_ip_timer); + + vif->obtaining_ip = false; +} + +static int is_network_in_shadow(struct network_info *nw_info, + struct wilc_priv *priv) +{ + int state = -1; + int i; + + if (priv->scanned_cnt == 0) { + mod_timer(&priv->aging_timer, + jiffies + msecs_to_jiffies(AGING_TIME)); + state = -1; + } else { + for (i = 0; i < priv->scanned_cnt; i++) { + if (memcmp(priv->scanned_shadow[i].bssid, + nw_info->bssid, 6) == 0) { + state = i; + break; + } + } + } + return state; +} + +static void add_network_to_shadow(struct network_info *nw_info, + struct wilc_priv *priv, void *join_params) +{ + int ap_found = is_network_in_shadow(nw_info, priv); + u32 ap_index = 0; + u8 rssi_index = 0; + struct network_info *shadow_nw_info; + + if (priv->scanned_cnt >= MAX_NUM_SCANNED_NETWORKS_SHADOW) + return; + + if (ap_found == -1) { + ap_index = priv->scanned_cnt; + priv->scanned_cnt++; + } else { + ap_index = ap_found; + } + shadow_nw_info = &priv->scanned_shadow[ap_index]; + rssi_index = shadow_nw_info->rssi_history.index; + shadow_nw_info->rssi_history.samples[rssi_index++] = nw_info->rssi; + if (rssi_index == NUM_RSSI) { + rssi_index = 0; + shadow_nw_info->rssi_history.full = true; + } + shadow_nw_info->rssi_history.index = rssi_index; + shadow_nw_info->rssi = nw_info->rssi; + shadow_nw_info->cap_info = nw_info->cap_info; + shadow_nw_info->ssid_len = nw_info->ssid_len; + memcpy(shadow_nw_info->ssid, nw_info->ssid, nw_info->ssid_len); + memcpy(shadow_nw_info->bssid, nw_info->bssid, ETH_ALEN); + shadow_nw_info->beacon_period = nw_info->beacon_period; + shadow_nw_info->dtim_period = nw_info->dtim_period; + shadow_nw_info->ch = nw_info->ch; + shadow_nw_info->tsf_hi = nw_info->tsf_hi; + if (ap_found != -1) + kfree(shadow_nw_info->ies); + shadow_nw_info->ies = kmemdup(nw_info->ies, nw_info->ies_len, + GFP_KERNEL); + if (shadow_nw_info->ies) + shadow_nw_info->ies_len = nw_info->ies_len; + else + shadow_nw_info->ies_len = 0; + shadow_nw_info->time_scan = jiffies; + shadow_nw_info->time_scan_cached = jiffies; + shadow_nw_info->found = 1; + if (ap_found != -1) + kfree(shadow_nw_info->join_params); + shadow_nw_info->join_params = join_params; +} + +static void cfg_scan_result(enum scan_event scan_event, + struct network_info *network_info, + void *user_void, void *join_params) +{ + struct wilc_priv *priv; + struct wiphy *wiphy; + s32 freq; + struct ieee80211_channel *channel; + struct cfg80211_bss *bss = NULL; + + priv = user_void; + if (!priv->cfg_scanning) + return; + + if (scan_event == SCAN_EVENT_NETWORK_FOUND) { + wiphy = priv->dev->ieee80211_ptr->wiphy; + + if (!wiphy || !network_info) + return; + + if (wiphy->signal_type == CFG80211_SIGNAL_TYPE_UNSPEC && + (((s32)network_info->rssi * 100) < 0 || + ((s32)network_info->rssi * 100) > 100)) + return; + + freq = ieee80211_channel_to_frequency((s32)network_info->ch, + NL80211_BAND_2GHZ); + channel = ieee80211_get_channel(wiphy, freq); + + if (!channel) + return; + + if (network_info->new_network) { + if (priv->rcvd_ch_cnt >= MAX_NUM_SCANNED_NETWORKS) + return; + + priv->rcvd_ch_cnt++; + + add_network_to_shadow(network_info, priv, join_params); + + if (memcmp("DIRECT-", network_info->ssid, 7)) + return; + + bss = cfg80211_inform_bss(wiphy, + channel, + CFG80211_BSS_FTYPE_UNKNOWN, + network_info->bssid, + network_info->tsf_hi, + network_info->cap_info, + network_info->beacon_period, + (const u8 *)network_info->ies, + (size_t)network_info->ies_len, + (s32)network_info->rssi * 100, + GFP_KERNEL); + cfg80211_put_bss(wiphy, bss); + } else { + u32 i; + + for (i = 0; i < priv->rcvd_ch_cnt; i++) { + if (memcmp(priv->scanned_shadow[i].bssid, + network_info->bssid, 6) == 0) + break; + } + + if (i >= priv->rcvd_ch_cnt) + return; + + priv->scanned_shadow[i].rssi = network_info->rssi; + priv->scanned_shadow[i].time_scan = jiffies; + } + } else if (scan_event == SCAN_EVENT_DONE) { + refresh_scan(priv, false); + + mutex_lock(&priv->scan_req_lock); + + if (priv->scan_req) { + struct cfg80211_scan_info info = { + .aborted = false, + }; + + cfg80211_scan_done(priv->scan_req, &info); + priv->rcvd_ch_cnt = 0; + priv->cfg_scanning = false; + priv->scan_req = NULL; + } + mutex_unlock(&priv->scan_req_lock); + } else if (scan_event == SCAN_EVENT_ABORTED) { + mutex_lock(&priv->scan_req_lock); + + if (priv->scan_req) { + struct cfg80211_scan_info info = { + .aborted = false, + }; + + update_scan_time(priv); + refresh_scan(priv, false); + + cfg80211_scan_done(priv->scan_req, &info); + priv->cfg_scanning = false; + priv->scan_req = NULL; + } + mutex_unlock(&priv->scan_req_lock); + } +} + +static inline bool wilc_cfg_scan_time_expired(struct wilc_priv *priv, int i) +{ + unsigned long now = jiffies; + + if (time_after(now, priv->scanned_shadow[i].time_scan_cached + + (unsigned long)(nl80211_SCAN_RESULT_EXPIRE - (1 * HZ)))) + return true; + else + return false; +} + +static void cfg_connect_result(enum conn_event conn_disconn_evt, + struct connect_info *conn_info, + u8 mac_status, + struct disconnect_info *disconn_info, + void *priv_data) +{ + struct wilc_priv *priv = priv_data; + struct net_device *dev = priv->dev; + struct wilc_vif *vif = netdev_priv(dev); + struct wilc *wl = vif->wilc; + struct host_if_drv *wfi_drv = priv->hif_drv; + u8 null_bssid[ETH_ALEN] = {0}; + + vif->connecting = false; + + if (conn_disconn_evt == CONN_DISCONN_EVENT_CONN_RESP) { + u16 connect_status; + + connect_status = conn_info->status; + + if (mac_status == MAC_STATUS_DISCONNECTED && + conn_info->status == WLAN_STATUS_SUCCESS) { + connect_status = WLAN_STATUS_UNSPECIFIED_FAILURE; + wilc_wlan_set_bssid(priv->dev, null_bssid, + STATION_MODE); + + if (!wfi_drv->p2p_connect) + wlan_channel = INVALID_CHANNEL; + + netdev_err(dev, "Unspecified failure\n"); + } + + if (connect_status == WLAN_STATUS_SUCCESS) { + bool scan_refresh = false; + u32 i; + + memcpy(priv->associated_bss, conn_info->bssid, + ETH_ALEN); + + for (i = 0; i < priv->scanned_cnt; i++) { + if (memcmp(priv->scanned_shadow[i].bssid, + conn_info->bssid, + ETH_ALEN) == 0) { + if (wilc_cfg_scan_time_expired(priv, i)) + scan_refresh = true; + + break; + } + } + + if (scan_refresh) + refresh_scan(priv, true); + } + + cfg80211_connect_result(dev, conn_info->bssid, + conn_info->req_ies, + conn_info->req_ies_len, + conn_info->resp_ies, + conn_info->resp_ies_len, connect_status, + GFP_KERNEL); + } else if (conn_disconn_evt == CONN_DISCONN_EVENT_DISCONN_NOTIF) { + vif->obtaining_ip = false; + priv->p2p.local_random = 0x01; + priv->p2p.recv_random = 0x00; + priv->p2p.is_wilc_ie = false; + eth_zero_addr(priv->associated_bss); + wilc_wlan_set_bssid(priv->dev, null_bssid, STATION_MODE); + + if (!wfi_drv->p2p_connect) + wlan_channel = INVALID_CHANNEL; + if (wfi_drv->ifc_up && dev == wl->vif[1]->ndev) + disconn_info->reason = 3; + else if (!wfi_drv->ifc_up && dev == wl->vif[1]->ndev) + disconn_info->reason = 1; + + cfg80211_disconnected(dev, disconn_info->reason, + disconn_info->ie, disconn_info->ie_len, + false, GFP_KERNEL); + } +} + +static int set_channel(struct wiphy *wiphy, + struct cfg80211_chan_def *chandef) +{ + u32 channelnum = 0; + struct wilc_priv *priv = wiphy_priv(wiphy); + struct wilc_vif *vif = netdev_priv(priv->dev); + int result = 0; + + channelnum = ieee80211_frequency_to_channel(chandef->chan->center_freq); + + curr_channel = channelnum; + result = wilc_set_mac_chnl_num(vif, channelnum); + + if (result != 0) + netdev_err(priv->dev, "Error in setting channel\n"); + + return result; +} + +static inline int +wilc_wfi_cfg_alloc_fill_ssid(struct cfg80211_scan_request *request, + struct hidden_network *ntwk) +{ + int i; + int slot_id = 0; + + ntwk->net_info = kcalloc(request->n_ssids, sizeof(*ntwk->net_info), + GFP_KERNEL); + if (!ntwk->net_info) + goto out; + + ntwk->n_ssids = request->n_ssids; + + for (i = 0; i < request->n_ssids; i++) { + if (request->ssids[i].ssid_len > 0) { + struct hidden_net_info *info = &ntwk->net_info[slot_id]; + + info->ssid = kmemdup(request->ssids[i].ssid, + request->ssids[i].ssid_len, + GFP_KERNEL); + if (!info->ssid) + goto out_free; + + info->ssid_len = request->ssids[i].ssid_len; + slot_id++; + } else { + ntwk->n_ssids -= 1; + } + } + return 0; + +out_free: + + for (i = 0; i < slot_id; i++) + kfree(ntwk->net_info[i].ssid); + + kfree(ntwk->net_info); +out: + + return -ENOMEM; +} + +static int scan(struct wiphy *wiphy, struct cfg80211_scan_request *request) +{ + struct wilc_priv *priv = wiphy_priv(wiphy); + struct wilc_vif *vif = netdev_priv(priv->dev); + u32 i; + int ret = 0; + u8 scan_ch_list[MAX_NUM_SCANNED_NETWORKS]; + struct hidden_network hidden_ntwk; + + priv->scan_req = request; + + priv->rcvd_ch_cnt = 0; + + reset_shadow_found(priv); + + priv->cfg_scanning = true; + if (request->n_channels <= MAX_NUM_SCANNED_NETWORKS) { + for (i = 0; i < request->n_channels; i++) { + u16 freq = request->channels[i]->center_freq; + + scan_ch_list[i] = ieee80211_frequency_to_channel(freq); + } + + if (request->n_ssids >= 1) { + if (wilc_wfi_cfg_alloc_fill_ssid(request, + &hidden_ntwk)) + return -ENOMEM; + + ret = wilc_scan(vif, USER_SCAN, ACTIVE_SCAN, + scan_ch_list, + request->n_channels, + (const u8 *)request->ie, + request->ie_len, cfg_scan_result, + (void *)priv, &hidden_ntwk); + } else { + ret = wilc_scan(vif, USER_SCAN, ACTIVE_SCAN, + scan_ch_list, + request->n_channels, + (const u8 *)request->ie, + request->ie_len, cfg_scan_result, + (void *)priv, NULL); + } + } else { + netdev_err(priv->dev, "Requested scanned channels over\n"); + } + + if (ret != 0) + ret = -EBUSY; + + return ret; +} + +static int connect(struct wiphy *wiphy, struct net_device *dev, + struct cfg80211_connect_params *sme) +{ + struct wilc_priv *priv = wiphy_priv(wiphy); + struct wilc_vif *vif = netdev_priv(priv->dev); + struct host_if_drv *wfi_drv = priv->hif_drv; + struct network_info *nw_info; + int ret; + u32 i; + u32 sel_bssi_idx = UINT_MAX; + u8 security = NO_ENCRYPT; + enum authtype auth_type = ANY; + u32 cipher_group; + + vif->connecting = true; + + if (!(strncmp(sme->ssid, "DIRECT-", 7))) + wfi_drv->p2p_connect = 1; + else + wfi_drv->p2p_connect = 0; + + for (i = 0; i < priv->scanned_cnt; i++) { + if (sme->ssid_len == priv->scanned_shadow[i].ssid_len && + memcmp(priv->scanned_shadow[i].ssid, + sme->ssid, + sme->ssid_len) == 0) { + if (!sme->bssid) { + if (sel_bssi_idx == UINT_MAX || + priv->scanned_shadow[i].rssi > + priv->scanned_shadow[sel_bssi_idx].rssi) + sel_bssi_idx = i; + } else { + if (memcmp(priv->scanned_shadow[i].bssid, + sme->bssid, + ETH_ALEN) == 0) { + sel_bssi_idx = i; + break; + } + } + } + } + + if (sel_bssi_idx < priv->scanned_cnt) { + nw_info = &priv->scanned_shadow[sel_bssi_idx]; + } else { + ret = -ENOENT; + goto out_error; + } + + if (ether_addr_equal_unaligned(vif->bssid, nw_info->bssid)) { + ret = -EALREADY; + goto out_error; + } + + memset(priv->wep_key, 0, sizeof(priv->wep_key)); + memset(priv->wep_key_len, 0, sizeof(priv->wep_key_len)); + + cipher_group = sme->crypto.cipher_group; + if (cipher_group != NO_ENCRYPT) { + if (cipher_group == WLAN_CIPHER_SUITE_WEP40) { + security = ENCRYPT_ENABLED | WEP; + + priv->wep_key_len[sme->key_idx] = sme->key_len; + memcpy(priv->wep_key[sme->key_idx], sme->key, + sme->key_len); + + wilc_set_wep_default_keyid(vif, sme->key_idx); + wilc_add_wep_key_bss_sta(vif, sme->key, sme->key_len, + sme->key_idx); + } else if (cipher_group == WLAN_CIPHER_SUITE_WEP104) { + security = ENCRYPT_ENABLED | WEP | WEP_EXTENDED; + + priv->wep_key_len[sme->key_idx] = sme->key_len; + memcpy(priv->wep_key[sme->key_idx], sme->key, + sme->key_len); + + wilc_set_wep_default_keyid(vif, sme->key_idx); + wilc_add_wep_key_bss_sta(vif, sme->key, sme->key_len, + sme->key_idx); + } else if (sme->crypto.wpa_versions & NL80211_WPA_VERSION_2) { + if (cipher_group == WLAN_CIPHER_SUITE_TKIP) + security = ENCRYPT_ENABLED | WPA2 | TKIP; + else + security = ENCRYPT_ENABLED | WPA2 | AES; + } else if (sme->crypto.wpa_versions & NL80211_WPA_VERSION_1) { + if (cipher_group == WLAN_CIPHER_SUITE_TKIP) + security = ENCRYPT_ENABLED | WPA | TKIP; + else + security = ENCRYPT_ENABLED | WPA | AES; + } else { + ret = -ENOTSUPP; + netdev_err(dev, "%s: Unsupported cipher\n", + __func__); + goto out_error; + } + } + + if ((sme->crypto.wpa_versions & NL80211_WPA_VERSION_1) || + (sme->crypto.wpa_versions & NL80211_WPA_VERSION_2)) { + for (i = 0; i < sme->crypto.n_ciphers_pairwise; i++) { + u32 ciphers_pairwise = sme->crypto.ciphers_pairwise[i]; + + if (ciphers_pairwise == WLAN_CIPHER_SUITE_TKIP) + security = security | TKIP; + else + security = security | AES; + } + } + + switch (sme->auth_type) { + case NL80211_AUTHTYPE_OPEN_SYSTEM: + auth_type = OPEN_SYSTEM; + break; + + case NL80211_AUTHTYPE_SHARED_KEY: + auth_type = SHARED_KEY; + break; + + default: + break; + } + + if (sme->crypto.n_akm_suites) { + if (sme->crypto.akm_suites[0] == WLAN_AKM_SUITE_8021X) + auth_type = IEEE8021; + } + + curr_channel = nw_info->ch; + + if (!wfi_drv->p2p_connect) + wlan_channel = nw_info->ch; + + wilc_wlan_set_bssid(dev, nw_info->bssid, STATION_MODE); + + ret = wilc_set_join_req(vif, nw_info->bssid, sme->ssid, + sme->ssid_len, sme->ie, sme->ie_len, + cfg_connect_result, (void *)priv, + security, auth_type, + nw_info->ch, + nw_info->join_params); + if (ret) { + u8 null_bssid[ETH_ALEN] = {0}; + + netdev_err(dev, "wilc_set_join_req(): Error\n"); + ret = -ENOENT; + wilc_wlan_set_bssid(dev, null_bssid, STATION_MODE); + goto out_error; + } + return 0; + +out_error: + vif->connecting = false; + return ret; +} + +static int disconnect(struct wiphy *wiphy, struct net_device *dev, + u16 reason_code) +{ + struct wilc_priv *priv = wiphy_priv(wiphy); + struct wilc_vif *vif = netdev_priv(priv->dev); + struct wilc *wilc = vif->wilc; + struct host_if_drv *wfi_drv; + int ret; + u8 null_bssid[ETH_ALEN] = {0}; + + vif->connecting = false; + + if (!wilc) + return -EIO; + + if (wilc->close) { + /* already disconnected done */ + cfg80211_disconnected(dev, 0, NULL, 0, true, GFP_KERNEL); + return 0; + } + + wfi_drv = (struct host_if_drv *)priv->hif_drv; + if (!wfi_drv->p2p_connect) + wlan_channel = INVALID_CHANNEL; + wilc_wlan_set_bssid(priv->dev, null_bssid, STATION_MODE); + + priv->p2p.local_random = 0x01; + priv->p2p.recv_random = 0x00; + priv->p2p.is_wilc_ie = false; + wfi_drv->p2p_timeout = 0; + + ret = wilc_disconnect(vif, reason_code); + if (ret != 0) { + netdev_err(priv->dev, "Error in disconnecting\n"); + ret = -EINVAL; + } + + return ret; +} + +static inline void wilc_wfi_cfg_copy_wep_info(struct wilc_priv *priv, + u8 key_index, + struct key_params *params) +{ + priv->wep_key_len[key_index] = params->key_len; + memcpy(priv->wep_key[key_index], params->key, params->key_len); +} + +static int wilc_wfi_cfg_allocate_wpa_entry(struct wilc_priv *priv, u8 idx) +{ + if (!priv->wilc_gtk[idx]) { + priv->wilc_gtk[idx] = kzalloc(sizeof(*priv->wilc_gtk[idx]), + GFP_KERNEL); + if (!priv->wilc_gtk[idx]) + return -ENOMEM; + } + + if (!priv->wilc_ptk[idx]) { + priv->wilc_ptk[idx] = kzalloc(sizeof(*priv->wilc_ptk[idx]), + GFP_KERNEL); + if (!priv->wilc_ptk[idx]) + return -ENOMEM; + } + + return 0; +} + +static int wilc_wfi_cfg_copy_wpa_info(struct wilc_wfi_key *key_info, + struct key_params *params) +{ + kfree(key_info->key); + + key_info->key = kmemdup(params->key, params->key_len, GFP_KERNEL); + if (!key_info->key) + return -ENOMEM; + + kfree(key_info->seq); + + if (params->seq_len > 0) { + key_info->seq = kmemdup(params->seq, params->seq_len, + GFP_KERNEL); + if (!key_info->seq) + return -ENOMEM; + } + + key_info->cipher = params->cipher; + key_info->key_len = params->key_len; + key_info->seq_len = params->seq_len; + + return 0; +} + +static int add_key(struct wiphy *wiphy, struct net_device *netdev, u8 key_index, + bool pairwise, const u8 *mac_addr, struct key_params *params) + +{ + int ret = 0, keylen = params->key_len; + struct wilc_priv *priv = wiphy_priv(wiphy); + const u8 *rx_mic = NULL; + const u8 *tx_mic = NULL; + u8 mode = NO_ENCRYPT; + u8 op_mode; + struct wilc_vif *vif = netdev_priv(netdev); + + switch (params->cipher) { + case WLAN_CIPHER_SUITE_WEP40: + case WLAN_CIPHER_SUITE_WEP104: + if (priv->wdev->iftype == NL80211_IFTYPE_AP) { + wilc_wfi_cfg_copy_wep_info(priv, key_index, params); + + if (params->cipher == WLAN_CIPHER_SUITE_WEP40) + mode = ENCRYPT_ENABLED | WEP; + else + mode = ENCRYPT_ENABLED | WEP | WEP_EXTENDED; + + ret = wilc_add_wep_key_bss_ap(vif, params->key, + params->key_len, + key_index, mode, + OPEN_SYSTEM); + break; + } + if (memcmp(params->key, priv->wep_key[key_index], + params->key_len)) { + wilc_wfi_cfg_copy_wep_info(priv, key_index, params); + + ret = wilc_add_wep_key_bss_sta(vif, params->key, + params->key_len, + key_index); + } + + break; + + case WLAN_CIPHER_SUITE_TKIP: + case WLAN_CIPHER_SUITE_CCMP: + if (priv->wdev->iftype == NL80211_IFTYPE_AP || + priv->wdev->iftype == NL80211_IFTYPE_P2P_GO) { + struct wilc_wfi_key *key; + + ret = wilc_wfi_cfg_allocate_wpa_entry(priv, key_index); + if (ret) + return -ENOMEM; + + if (params->key_len > 16 && + params->cipher == WLAN_CIPHER_SUITE_TKIP) { + tx_mic = params->key + 24; + rx_mic = params->key + 16; + keylen = params->key_len - 16; + } + + if (!pairwise) { + if (params->cipher == WLAN_CIPHER_SUITE_TKIP) + mode = ENCRYPT_ENABLED | WPA | TKIP; + else + mode = ENCRYPT_ENABLED | WPA2 | AES; + + priv->wilc_groupkey = mode; + + key = priv->wilc_gtk[key_index]; + } else { + if (params->cipher == WLAN_CIPHER_SUITE_TKIP) + mode = ENCRYPT_ENABLED | WPA | TKIP; + else + mode = priv->wilc_groupkey | AES; + + key = priv->wilc_ptk[key_index]; + } + ret = wilc_wfi_cfg_copy_wpa_info(key, params); + if (ret) + return -ENOMEM; + + op_mode = AP_MODE; + } else { + if (params->key_len > 16 && + params->cipher == WLAN_CIPHER_SUITE_TKIP) { + rx_mic = params->key + 24; + tx_mic = params->key + 16; + keylen = params->key_len - 16; + } + + op_mode = STATION_MODE; + } + + if (!pairwise) + ret = wilc_add_rx_gtk(vif, params->key, keylen, + key_index, params->seq_len, + params->seq, rx_mic, tx_mic, + op_mode, mode); + else + ret = wilc_add_ptk(vif, params->key, keylen, mac_addr, + rx_mic, tx_mic, op_mode, mode, + key_index); + + break; + + default: + netdev_err(netdev, "%s: Unsupported cipher\n", __func__); + ret = -ENOTSUPP; + } + + return ret; +} + +static int del_key(struct wiphy *wiphy, struct net_device *netdev, + u8 key_index, + bool pairwise, + const u8 *mac_addr) +{ + struct wilc_priv *priv = wiphy_priv(wiphy); + struct wilc_vif *vif = netdev_priv(netdev); + struct wilc *wl = vif->wilc; + + if (netdev == wl->vif[0]->ndev) { + if (priv->wilc_gtk[key_index]) { + kfree(priv->wilc_gtk[key_index]->key); + priv->wilc_gtk[key_index]->key = NULL; + kfree(priv->wilc_gtk[key_index]->seq); + priv->wilc_gtk[key_index]->seq = NULL; + + kfree(priv->wilc_gtk[key_index]); + priv->wilc_gtk[key_index] = NULL; + } + + if (priv->wilc_ptk[key_index]) { + kfree(priv->wilc_ptk[key_index]->key); + priv->wilc_ptk[key_index]->key = NULL; + kfree(priv->wilc_ptk[key_index]->seq); + priv->wilc_ptk[key_index]->seq = NULL; + kfree(priv->wilc_ptk[key_index]); + priv->wilc_ptk[key_index] = NULL; + } + } + + if (key_index <= 3 && priv->wep_key_len[key_index]) { + memset(priv->wep_key[key_index], 0, + priv->wep_key_len[key_index]); + priv->wep_key_len[key_index] = 0; + wilc_remove_wep_key(vif, key_index); + } + + return 0; +} + +static int get_key(struct wiphy *wiphy, struct net_device *netdev, u8 key_index, + bool pairwise, const u8 *mac_addr, void *cookie, + void (*callback)(void *cookie, struct key_params *)) +{ + struct wilc_priv *priv = wiphy_priv(wiphy); + struct key_params key_params; + + if (!pairwise) { + key_params.key = priv->wilc_gtk[key_index]->key; + key_params.cipher = priv->wilc_gtk[key_index]->cipher; + key_params.key_len = priv->wilc_gtk[key_index]->key_len; + key_params.seq = priv->wilc_gtk[key_index]->seq; + key_params.seq_len = priv->wilc_gtk[key_index]->seq_len; + } else { + key_params.key = priv->wilc_ptk[key_index]->key; + key_params.cipher = priv->wilc_ptk[key_index]->cipher; + key_params.key_len = priv->wilc_ptk[key_index]->key_len; + key_params.seq = priv->wilc_ptk[key_index]->seq; + key_params.seq_len = priv->wilc_ptk[key_index]->seq_len; + } + + callback(cookie, &key_params); + + return 0; +} + +static int set_default_key(struct wiphy *wiphy, struct net_device *netdev, + u8 key_index, bool unicast, bool multicast) +{ + struct wilc_priv *priv = wiphy_priv(wiphy); + struct wilc_vif *vif = netdev_priv(priv->dev); + + wilc_set_wep_default_keyid(vif, key_index); + + return 0; +} + +static int get_station(struct wiphy *wiphy, struct net_device *dev, + const u8 *mac, struct station_info *sinfo) +{ + struct wilc_priv *priv = wiphy_priv(wiphy); + struct wilc_vif *vif = netdev_priv(dev); + u32 i = 0; + u32 associatedsta = ~0; + u32 inactive_time = 0; + + if (vif->iftype == AP_MODE || vif->iftype == GO_MODE) { + for (i = 0; i < NUM_STA_ASSOCIATED; i++) { + if (!(memcmp(mac, + priv->assoc_stainfo.sta_associated_bss[i], + ETH_ALEN))) { + associatedsta = i; + break; + } + } + + if (associatedsta == ~0) { + netdev_err(dev, "sta required is not associated\n"); + return -ENOENT; + } + + sinfo->filled |= BIT_ULL(NL80211_STA_INFO_INACTIVE_TIME); + + wilc_get_inactive_time(vif, mac, &inactive_time); + sinfo->inactive_time = 1000 * inactive_time; + } else if (vif->iftype == STATION_MODE) { + struct rf_info stats; + + wilc_get_statistics(vif, &stats, true); + + sinfo->filled |= BIT_ULL(NL80211_STA_INFO_SIGNAL) | + BIT_ULL(NL80211_STA_INFO_RX_PACKETS) | + BIT_ULL(NL80211_STA_INFO_TX_PACKETS) | + BIT_ULL(NL80211_STA_INFO_TX_FAILED) | + BIT_ULL(NL80211_STA_INFO_TX_BITRATE); + + sinfo->signal = stats.rssi; + sinfo->rx_packets = stats.rx_cnt; + sinfo->tx_packets = stats.tx_cnt + stats.tx_fail_cnt; + sinfo->tx_failed = stats.tx_fail_cnt; + sinfo->txrate.legacy = stats.link_speed * 10; + + if (stats.link_speed > TCP_ACK_FILTER_LINK_SPEED_THRESH && + stats.link_speed != DEFAULT_LINK_SPEED) + wilc_enable_tcp_ack_filter(vif, true); + else if (stats.link_speed != DEFAULT_LINK_SPEED) + wilc_enable_tcp_ack_filter(vif, false); + } + return 0; +} + +static int change_bss(struct wiphy *wiphy, struct net_device *dev, + struct bss_parameters *params) +{ + return 0; +} + +static int set_wiphy_params(struct wiphy *wiphy, u32 changed) +{ + int ret; + struct cfg_param_attr cfg_param_val; + struct wilc_priv *priv = wiphy_priv(wiphy); + struct wilc_vif *vif = netdev_priv(priv->dev); + + cfg_param_val.flag = 0; + + if (changed & WIPHY_PARAM_RETRY_SHORT) { + cfg_param_val.flag |= RETRY_SHORT; + cfg_param_val.short_retry_limit = wiphy->retry_short; + } + if (changed & WIPHY_PARAM_RETRY_LONG) { + cfg_param_val.flag |= RETRY_LONG; + cfg_param_val.long_retry_limit = wiphy->retry_long; + } + if (changed & WIPHY_PARAM_FRAG_THRESHOLD) { + cfg_param_val.flag |= FRAG_THRESHOLD; + cfg_param_val.frag_threshold = wiphy->frag_threshold; + } + + if (changed & WIPHY_PARAM_RTS_THRESHOLD) { + cfg_param_val.flag |= RTS_THRESHOLD; + cfg_param_val.rts_threshold = wiphy->rts_threshold; + } + + ret = wilc_hif_set_cfg(vif, &cfg_param_val); + if (ret) + netdev_err(priv->dev, "Error in setting WIPHY PARAMS\n"); + + return ret; +} + +static int set_pmksa(struct wiphy *wiphy, struct net_device *netdev, + struct cfg80211_pmksa *pmksa) +{ + struct wilc_priv *priv = wiphy_priv(wiphy); + struct wilc_vif *vif = netdev_priv(priv->dev); + u32 i; + int ret = 0; + u8 flag = 0; + + for (i = 0; i < priv->pmkid_list.numpmkid; i++) { + if (!memcmp(pmksa->bssid, priv->pmkid_list.pmkidlist[i].bssid, + ETH_ALEN)) { + flag = PMKID_FOUND; + break; + } + } + if (i < WILC_MAX_NUM_PMKIDS) { + memcpy(priv->pmkid_list.pmkidlist[i].bssid, pmksa->bssid, + ETH_ALEN); + memcpy(priv->pmkid_list.pmkidlist[i].pmkid, pmksa->pmkid, + PMKID_LEN); + if (!(flag == PMKID_FOUND)) + priv->pmkid_list.numpmkid++; + } else { + netdev_err(netdev, "Invalid PMKID index\n"); + ret = -EINVAL; + } + + if (!ret) + ret = wilc_set_pmkid_info(vif, &priv->pmkid_list); + + return ret; +} + +static int del_pmksa(struct wiphy *wiphy, struct net_device *netdev, + struct cfg80211_pmksa *pmksa) +{ + u32 i; + int ret = 0; + struct wilc_priv *priv = wiphy_priv(wiphy); + + for (i = 0; i < priv->pmkid_list.numpmkid; i++) { + if (!memcmp(pmksa->bssid, priv->pmkid_list.pmkidlist[i].bssid, + ETH_ALEN)) { + memset(&priv->pmkid_list.pmkidlist[i], 0, + sizeof(struct host_if_pmkid)); + break; + } + } + + if (i < priv->pmkid_list.numpmkid && priv->pmkid_list.numpmkid > 0) { + for (; i < (priv->pmkid_list.numpmkid - 1); i++) { + memcpy(priv->pmkid_list.pmkidlist[i].bssid, + priv->pmkid_list.pmkidlist[i + 1].bssid, + ETH_ALEN); + memcpy(priv->pmkid_list.pmkidlist[i].pmkid, + priv->pmkid_list.pmkidlist[i + 1].pmkid, + PMKID_LEN); + } + priv->pmkid_list.numpmkid--; + } else { + ret = -EINVAL; + } + + return ret; +} + +static int flush_pmksa(struct wiphy *wiphy, struct net_device *netdev) +{ + struct wilc_priv *priv = wiphy_priv(wiphy); + + memset(&priv->pmkid_list, 0, sizeof(struct host_if_pmkid_attr)); + + return 0; +} + +static inline void wilc_wfi_cfg_parse_ch_attr(u8 *buf, u8 ch_list_attr_idx, + u8 op_ch_attr_idx) +{ + int i = 0; + int j = 0; + + if (ch_list_attr_idx) { + u8 limit = ch_list_attr_idx + 3 + buf[ch_list_attr_idx + 1]; + + for (i = ch_list_attr_idx + 3; i < limit; i++) { + if (buf[i] == 0x51) { + for (j = i + 2; j < ((i + 2) + buf[i + 1]); j++) + buf[j] = wlan_channel; + break; + } + } + } + + if (op_ch_attr_idx) { + buf[op_ch_attr_idx + 6] = 0x51; + buf[op_ch_attr_idx + 7] = wlan_channel; + } +} + +static void wilc_wfi_cfg_parse_rx_action(u8 *buf, u32 len) +{ + u32 index = 0; + u8 op_channel_attr_index = 0; + u8 channel_list_attr_index = 0; + + while (index < len) { + if (buf[index] == GO_INTENT_ATTR_ID) + buf[index + 3] = (buf[index + 3] & 0x01) | (0x00 << 1); + + if (buf[index] == CHANLIST_ATTR_ID) + channel_list_attr_index = index; + else if (buf[index] == OPERCHAN_ATTR_ID) + op_channel_attr_index = index; + index += buf[index + 1] + 3; + } + if (wlan_channel != INVALID_CHANNEL) + wilc_wfi_cfg_parse_ch_attr(buf, channel_list_attr_index, + op_channel_attr_index); +} + +static void wilc_wfi_cfg_parse_tx_action(u8 *buf, u32 len, bool oper_ch, + u8 iftype) +{ + u32 index = 0; + u8 op_channel_attr_index = 0; + u8 channel_list_attr_index = 0; + + while (index < len) { + if (buf[index] == GO_INTENT_ATTR_ID) { + buf[index + 3] = (buf[index + 3] & 0x01) | (0x0f << 1); + + break; + } + + if (buf[index] == CHANLIST_ATTR_ID) + channel_list_attr_index = index; + else if (buf[index] == OPERCHAN_ATTR_ID) + op_channel_attr_index = index; + index += buf[index + 1] + 3; + } + if (wlan_channel != INVALID_CHANNEL && oper_ch) + wilc_wfi_cfg_parse_ch_attr(buf, channel_list_attr_index, + op_channel_attr_index); +} + +static void wilc_wfi_cfg_parse_rx_vendor_spec(struct wilc_priv *priv, u8 *buff, + u32 size) +{ + int i; + u8 subtype; + struct wilc_vif *vif = netdev_priv(priv->dev); + + subtype = buff[P2P_PUB_ACTION_SUBTYPE]; + if ((subtype == GO_NEG_REQ || subtype == GO_NEG_RSP) && + !priv->p2p.is_wilc_ie) { + for (i = P2P_PUB_ACTION_SUBTYPE; i < size; i++) { + if (!memcmp(p2p_vendor_spec, &buff[i], 6)) { + priv->p2p.recv_random = buff[i + 6]; + priv->p2p.is_wilc_ie = true; + break; + } + } + } + + if (priv->p2p.local_random <= priv->p2p.recv_random) { + netdev_dbg(vif->ndev, + "PEER WILL BE GO LocaRand=%02x RecvRand %02x\n", + priv->p2p.local_random, priv->p2p.recv_random); + return; + } + + if (subtype == GO_NEG_REQ || subtype == GO_NEG_RSP || + subtype == P2P_INV_REQ || subtype == P2P_INV_RSP) { + for (i = P2P_PUB_ACTION_SUBTYPE + 2; i < size; i++) { + if (buff[i] == P2PELEM_ATTR_ID && + !(memcmp(p2p_oui, &buff[i + 2], 4))) { + wilc_wfi_cfg_parse_rx_action(&buff[i + 6], + size - (i + 6)); + break; + } + } + } +} + +void wilc_wfi_p2p_rx(struct net_device *dev, u8 *buff, u32 size) +{ + struct wilc_priv *priv = wiphy_priv(dev->ieee80211_ptr->wiphy); + struct host_if_drv *wfi_drv = priv->hif_drv; + u32 header, pkt_offset; + s32 freq; + __le16 fc; + + memcpy(&header, (buff - HOST_HDR_OFFSET), HOST_HDR_OFFSET); + le32_to_cpus(&header); + pkt_offset = GET_PKT_OFFSET(header); + + if (pkt_offset & IS_MANAGMEMENT_CALLBACK) { + bool ack = false; + + if (buff[FRAME_TYPE_ID] == IEEE80211_STYPE_PROBE_RESP || + pkt_offset & IS_MGMT_STATUS_SUCCES) + ack = true; + + cfg80211_mgmt_tx_status(priv->wdev, priv->tx_cookie, buff, size, + ack, GFP_KERNEL); + return; + } + + freq = ieee80211_channel_to_frequency(curr_channel, NL80211_BAND_2GHZ); + + fc = ((struct ieee80211_hdr *)buff)->frame_control; + if (!ieee80211_is_action(fc)) { + cfg80211_rx_mgmt(priv->wdev, freq, 0, buff, size, 0); + return; + } + + if (priv->cfg_scanning && + time_after_eq(jiffies, (unsigned long)wfi_drv->p2p_timeout)) { + netdev_dbg(dev, "Receiving action wrong ch\n"); + return; + } + if (buff[ACTION_CAT_ID] == PUB_ACTION_ATTR_ID) { + u8 subtype = buff[P2P_PUB_ACTION_SUBTYPE]; + + switch (buff[ACTION_SUBTYPE_ID]) { + case GAS_INITIAL_REQ: + case GAS_INITIAL_RSP: + break; + + case PUBLIC_ACT_VENDORSPEC: + if (!memcmp(p2p_oui, &buff[ACTION_SUBTYPE_ID + 1], 4)) + wilc_wfi_cfg_parse_rx_vendor_spec(priv, buff, + size); + + if ((subtype == GO_NEG_REQ || subtype == GO_NEG_RSP) && + priv->p2p.is_wilc_ie) + size -= 7; + + break; + + default: + netdev_dbg(dev, + "%s: Not handled action frame type:%x\n", + __func__, buff[ACTION_SUBTYPE_ID]); + break; + } + } + + cfg80211_rx_mgmt(priv->wdev, freq, 0, buff, size, 0); +} + +static void wilc_wfi_mgmt_tx_complete(void *priv, int status) +{ + struct p2p_mgmt_data *pv_data = priv; + + kfree(pv_data->buff); + kfree(pv_data); +} + +static void wilc_wfi_remain_on_channel_ready(void *priv_data) +{ + struct wilc_priv *priv; + + priv = priv_data; + + priv->p2p_listen_state = true; + + cfg80211_ready_on_channel(priv->wdev, + priv->remain_on_ch_params.listen_cookie, + priv->remain_on_ch_params.listen_ch, + priv->remain_on_ch_params.listen_duration, + GFP_KERNEL); +} + +static void wilc_wfi_remain_on_channel_expired(void *data, u32 session_id) +{ + struct wilc_priv *priv = data; + struct wilc_wfi_p2p_listen_params *params = &priv->remain_on_ch_params; + + if (session_id != params->listen_session_id) + return; + + priv->p2p_listen_state = false; + + cfg80211_remain_on_channel_expired(priv->wdev, params->listen_cookie, + params->listen_ch, GFP_KERNEL); +} + +static int remain_on_channel(struct wiphy *wiphy, + struct wireless_dev *wdev, + struct ieee80211_channel *chan, + unsigned int duration, u64 *cookie) +{ + int ret = 0; + struct wilc_priv *priv = wiphy_priv(wiphy); + struct wilc_vif *vif = netdev_priv(priv->dev); + + if (wdev->iftype == NL80211_IFTYPE_AP) { + netdev_dbg(vif->ndev, "Required while in AP mode\n"); + return ret; + } + + curr_channel = chan->hw_value; + + priv->remain_on_ch_params.listen_ch = chan; + priv->remain_on_ch_params.listen_cookie = *cookie; + priv->remain_on_ch_params.listen_duration = duration; + priv->remain_on_ch_params.listen_session_id++; + + return wilc_remain_on_channel(vif, + priv->remain_on_ch_params.listen_session_id, + duration, chan->hw_value, + wilc_wfi_remain_on_channel_expired, + wilc_wfi_remain_on_channel_ready, (void *)priv); +} + +static int cancel_remain_on_channel(struct wiphy *wiphy, + struct wireless_dev *wdev, + u64 cookie) +{ + struct wilc_priv *priv = wiphy_priv(wiphy); + struct wilc_vif *vif = netdev_priv(priv->dev); + + return wilc_listen_state_expired(vif, + priv->remain_on_ch_params.listen_session_id); +} + +static void wilc_wfi_cfg_tx_vendor_spec(struct wilc_priv *priv, + struct p2p_mgmt_data *mgmt_tx, + struct cfg80211_mgmt_tx_params *params, + u8 iftype, u32 buf_len) +{ + const u8 *buf = params->buf; + size_t len = params->len; + u32 i; + u8 subtype = buf[P2P_PUB_ACTION_SUBTYPE]; + + if (subtype == GO_NEG_REQ || subtype == GO_NEG_RSP) { + if (priv->p2p.local_random == 1 && + priv->p2p.recv_random < priv->p2p.local_random) { + get_random_bytes(&priv->p2p.local_random, 1); + priv->p2p.local_random++; + } + } + + if (priv->p2p.local_random <= priv->p2p.recv_random || + !(subtype == GO_NEG_REQ || subtype == GO_NEG_RSP || + subtype == P2P_INV_REQ || subtype == P2P_INV_RSP)) + return; + + for (i = P2P_PUB_ACTION_SUBTYPE + 2; i < len; i++) { + if (buf[i] == P2PELEM_ATTR_ID && + !memcmp(p2p_oui, &buf[i + 2], 4)) { + bool oper_ch = false; + u8 *tx_buff = &mgmt_tx->buff[i + 6]; + + if (subtype == P2P_INV_REQ || subtype == P2P_INV_RSP) + oper_ch = true; + + wilc_wfi_cfg_parse_tx_action(tx_buff, len - (i + 6), + oper_ch, iftype); + + break; + } + } + + if (subtype != P2P_INV_REQ && subtype != P2P_INV_RSP) { + int vendor_spec_len = sizeof(p2p_vendor_spec); + + memcpy(&mgmt_tx->buff[len], p2p_vendor_spec, + vendor_spec_len); + mgmt_tx->buff[len + vendor_spec_len] = priv->p2p.local_random; + mgmt_tx->size = buf_len; + } +} + +static int mgmt_tx(struct wiphy *wiphy, + struct wireless_dev *wdev, + struct cfg80211_mgmt_tx_params *params, + u64 *cookie) +{ + struct ieee80211_channel *chan = params->chan; + unsigned int wait = params->wait; + const u8 *buf = params->buf; + size_t len = params->len; + const struct ieee80211_mgmt *mgmt; + struct p2p_mgmt_data *mgmt_tx; + struct wilc_priv *priv = wiphy_priv(wiphy); + struct host_if_drv *wfi_drv = priv->hif_drv; + struct wilc_vif *vif = netdev_priv(wdev->netdev); + u32 buf_len = len + sizeof(p2p_vendor_spec) + sizeof(priv->p2p.local_random); + int ret = 0; + + *cookie = (unsigned long)buf; + priv->tx_cookie = *cookie; + mgmt = (const struct ieee80211_mgmt *)buf; + + if (!ieee80211_is_mgmt(mgmt->frame_control)) + goto out; + + mgmt_tx = kmalloc(sizeof(*mgmt_tx), GFP_KERNEL); + if (!mgmt_tx) { + ret = -ENOMEM; + goto out; + } + + mgmt_tx->buff = kmalloc(buf_len, GFP_KERNEL); + if (!mgmt_tx->buff) { + ret = -ENOMEM; + kfree(mgmt_tx); + goto out; + } + + memcpy(mgmt_tx->buff, buf, len); + mgmt_tx->size = len; + + if (ieee80211_is_probe_resp(mgmt->frame_control)) { + wilc_set_mac_chnl_num(vif, chan->hw_value); + curr_channel = chan->hw_value; + goto out_txq_add_pkt; + } + + if (!ieee80211_is_action(mgmt->frame_control)) + goto out_txq_add_pkt; + + if (buf[ACTION_CAT_ID] == PUB_ACTION_ATTR_ID) { + if (buf[ACTION_SUBTYPE_ID] != PUBLIC_ACT_VENDORSPEC || + buf[P2P_PUB_ACTION_SUBTYPE] != GO_NEG_CONF) { + wilc_set_mac_chnl_num(vif, chan->hw_value); + curr_channel = chan->hw_value; + } + switch (buf[ACTION_SUBTYPE_ID]) { + case GAS_INITIAL_REQ: + case GAS_INITIAL_RSP: + break; + + case PUBLIC_ACT_VENDORSPEC: + if (!memcmp(p2p_oui, &buf[ACTION_SUBTYPE_ID + 1], 4)) + wilc_wfi_cfg_tx_vendor_spec(priv, mgmt_tx, + params, vif->iftype, + buf_len); + else + netdev_dbg(vif->ndev, + "Not a P2P public action frame\n"); + + break; + + default: + netdev_dbg(vif->ndev, + "%s: Not handled action frame type:%x\n", + __func__, buf[ACTION_SUBTYPE_ID]); + break; + } + } + + wfi_drv->p2p_timeout = (jiffies + msecs_to_jiffies(wait)); + +out_txq_add_pkt: + + wilc_wlan_txq_add_mgmt_pkt(wdev->netdev, mgmt_tx, + mgmt_tx->buff, mgmt_tx->size, + wilc_wfi_mgmt_tx_complete); + +out: + + return ret; +} + +static int mgmt_tx_cancel_wait(struct wiphy *wiphy, + struct wireless_dev *wdev, + u64 cookie) +{ + struct wilc_priv *priv = wiphy_priv(wiphy); + struct host_if_drv *wfi_drv = priv->hif_drv; + + wfi_drv->p2p_timeout = jiffies; + + if (!priv->p2p_listen_state) { + struct wilc_wfi_p2p_listen_params *params; + + params = &priv->remain_on_ch_params; + + cfg80211_remain_on_channel_expired(priv->wdev, + params->listen_cookie, + params->listen_ch, + GFP_KERNEL); + } + + return 0; +} + +void wilc_mgmt_frame_register(struct wiphy *wiphy, struct wireless_dev *wdev, + u16 frame_type, bool reg) +{ + struct wilc_priv *priv = wiphy_priv(wiphy); + struct wilc_vif *vif = netdev_priv(priv->wdev->netdev); + struct wilc *wl = vif->wilc; + + if (!frame_type) + return; + + switch (frame_type) { + case PROBE_REQ: + vif->frame_reg[0].type = frame_type; + vif->frame_reg[0].reg = reg; + break; + + case ACTION: + vif->frame_reg[1].type = frame_type; + vif->frame_reg[1].reg = reg; + break; + + default: + break; + } + + if (!wl->initialized) + return; + wilc_frame_register(vif, frame_type, reg); +} + +static int set_cqm_rssi_config(struct wiphy *wiphy, struct net_device *dev, + s32 rssi_thold, u32 rssi_hyst) +{ + return 0; +} + +static int dump_station(struct wiphy *wiphy, struct net_device *dev, + int idx, u8 *mac, struct station_info *sinfo) +{ + struct wilc_priv *priv = wiphy_priv(wiphy); + struct wilc_vif *vif = netdev_priv(priv->dev); + + if (idx != 0) + return -ENOENT; + + sinfo->filled |= BIT_ULL(NL80211_STA_INFO_SIGNAL); + + wilc_get_rssi(vif, &sinfo->signal); + + memcpy(mac, priv->associated_bss, ETH_ALEN); + return 0; +} + +static int set_power_mgmt(struct wiphy *wiphy, struct net_device *dev, + bool enabled, int timeout) +{ + struct wilc_priv *priv = wiphy_priv(wiphy); + struct wilc_vif *vif = netdev_priv(priv->dev); + + if (!priv->hif_drv) + return -EIO; + + if (vif->wilc->enable_ps) + wilc_set_power_mgmt(vif, enabled, timeout); + + return 0; +} + +static int change_virtual_intf(struct wiphy *wiphy, struct net_device *dev, + enum nl80211_iftype type, + struct vif_params *params) +{ + struct wilc_priv *priv = wiphy_priv(wiphy); + struct wilc_vif *vif = netdev_priv(dev); + struct wilc *wl = vif->wilc; + + priv->p2p.local_random = 0x01; + priv->p2p.recv_random = 0x00; + priv->p2p.is_wilc_ie = false; + vif->obtaining_ip = false; + del_timer(&vif->during_ip_timer); + + switch (type) { + case NL80211_IFTYPE_STATION: + vif->connecting = false; + dev->ieee80211_ptr->iftype = type; + priv->wdev->iftype = type; + vif->monitor_flag = 0; + vif->iftype = STATION_MODE; + wilc_set_operation_mode(vif, STATION_MODE); + + memset(priv->assoc_stainfo.sta_associated_bss, 0, + MAX_NUM_STA * ETH_ALEN); + + wl->enable_ps = true; + wilc_set_power_mgmt(vif, 1, 0); + break; + + case NL80211_IFTYPE_P2P_CLIENT: + vif->connecting = false; + dev->ieee80211_ptr->iftype = type; + priv->wdev->iftype = type; + vif->monitor_flag = 0; + vif->iftype = CLIENT_MODE; + wilc_set_operation_mode(vif, STATION_MODE); + + wl->enable_ps = false; + wilc_set_power_mgmt(vif, 0, 0); + break; + + case NL80211_IFTYPE_AP: + wl->enable_ps = false; + dev->ieee80211_ptr->iftype = type; + priv->wdev->iftype = type; + vif->iftype = AP_MODE; + + if (wl->initialized) { + wilc_set_wfi_drv_handler(vif, wilc_get_vif_idx(vif), + 0, vif->ifc_id, false); + wilc_set_operation_mode(vif, AP_MODE); + wilc_set_power_mgmt(vif, 0, 0); + } + break; + + case NL80211_IFTYPE_P2P_GO: + vif->obtaining_ip = true; + mod_timer(&vif->during_ip_timer, + jiffies + msecs_to_jiffies(DURING_IP_TIME_OUT)); + wilc_set_operation_mode(vif, AP_MODE); + dev->ieee80211_ptr->iftype = type; + priv->wdev->iftype = type; + vif->iftype = GO_MODE; + + wl->enable_ps = false; + wilc_set_power_mgmt(vif, 0, 0); + break; + + default: + netdev_err(dev, "Unknown interface type= %d\n", type); + return -EINVAL; + } + + return 0; +} + +static int start_ap(struct wiphy *wiphy, struct net_device *dev, + struct cfg80211_ap_settings *settings) +{ + struct wilc_vif *vif = netdev_priv(dev); + struct wilc *wl = vif->wilc; + struct cfg80211_beacon_data *beacon = &settings->beacon; + int ret; + + ret = set_channel(wiphy, &settings->chandef); + + if (ret != 0) + netdev_err(dev, "Error in setting channel\n"); + + wilc_wlan_set_bssid(dev, wl->vif[vif->idx]->src_addr, AP_MODE); + wilc_set_power_mgmt(vif, 0, 0); + + return wilc_add_beacon(vif, settings->beacon_interval, + settings->dtim_period, beacon->head_len, + (u8 *)beacon->head, beacon->tail_len, + (u8 *)beacon->tail); +} + +static int change_beacon(struct wiphy *wiphy, struct net_device *dev, + struct cfg80211_beacon_data *beacon) +{ + struct wilc_priv *priv = wiphy_priv(wiphy); + struct wilc_vif *vif = netdev_priv(priv->dev); + + return wilc_add_beacon(vif, 0, 0, beacon->head_len, + (u8 *)beacon->head, beacon->tail_len, + (u8 *)beacon->tail); +} + +static int stop_ap(struct wiphy *wiphy, struct net_device *dev) +{ + int ret; + struct wilc_priv *priv = wiphy_priv(wiphy); + struct wilc_vif *vif = netdev_priv(priv->dev); + u8 null_bssid[ETH_ALEN] = {0}; + + wilc_wlan_set_bssid(dev, null_bssid, AP_MODE); + + ret = wilc_del_beacon(vif); + + if (ret) + netdev_err(dev, "Host delete beacon fail\n"); + + return ret; +} + +static int add_station(struct wiphy *wiphy, struct net_device *dev, + const u8 *mac, struct station_parameters *params) +{ + int ret = 0; + struct wilc_priv *priv = wiphy_priv(wiphy); + struct add_sta_param sta_params = { {0} }; + struct wilc_vif *vif = netdev_priv(dev); + + if (vif->iftype == AP_MODE || vif->iftype == GO_MODE) { + memcpy(sta_params.bssid, mac, ETH_ALEN); + memcpy(priv->assoc_stainfo.sta_associated_bss[params->aid], mac, + ETH_ALEN); + sta_params.aid = params->aid; + sta_params.rates_len = params->supported_rates_len; + sta_params.rates = params->supported_rates; + + if (!params->ht_capa) { + sta_params.ht_supported = false; + } else { + sta_params.ht_supported = true; + sta_params.ht_capa = *params->ht_capa; + } + + sta_params.flags_mask = params->sta_flags_mask; + sta_params.flags_set = params->sta_flags_set; + + ret = wilc_add_station(vif, &sta_params); + if (ret) + netdev_err(dev, "Host add station fail\n"); + } + + return ret; +} + +static int del_station(struct wiphy *wiphy, struct net_device *dev, + struct station_del_parameters *params) +{ + const u8 *mac = params->mac; + int ret = 0; + struct wilc_priv *priv = wiphy_priv(wiphy); + struct wilc_vif *vif = netdev_priv(dev); + struct sta_info *info; + + if (!(vif->iftype == AP_MODE || vif->iftype == GO_MODE)) + return ret; + + info = &priv->assoc_stainfo; + + if (!mac) + ret = wilc_del_allstation(vif, info->sta_associated_bss); + + ret = wilc_del_station(vif, mac); + if (ret) + netdev_err(dev, "Host delete station fail\n"); + return ret; +} + +static int change_station(struct wiphy *wiphy, struct net_device *dev, + const u8 *mac, struct station_parameters *params) +{ + int ret = 0; + struct add_sta_param sta_params = { {0} }; + struct wilc_vif *vif = netdev_priv(dev); + + if (vif->iftype == AP_MODE || vif->iftype == GO_MODE) { + memcpy(sta_params.bssid, mac, ETH_ALEN); + sta_params.aid = params->aid; + sta_params.rates_len = params->supported_rates_len; + sta_params.rates = params->supported_rates; + + if (!params->ht_capa) { + sta_params.ht_supported = false; + } else { + sta_params.ht_supported = true; + sta_params.ht_capa = *params->ht_capa; + } + + sta_params.flags_mask = params->sta_flags_mask; + sta_params.flags_set = params->sta_flags_set; + + ret = wilc_edit_station(vif, &sta_params); + if (ret) + netdev_err(dev, "Host edit station fail\n"); + } + return ret; +} + +static struct wireless_dev *add_virtual_intf(struct wiphy *wiphy, + const char *name, + unsigned char name_assign_type, + enum nl80211_iftype type, + struct vif_params *params) +{ + struct wilc_priv *priv = wiphy_priv(wiphy); + struct wilc_vif *vif = netdev_priv(priv->wdev->netdev); + struct net_device *new_ifc; + + if (type == NL80211_IFTYPE_MONITOR) { + new_ifc = wilc_wfi_init_mon_interface(name, vif->ndev); + if (new_ifc) { + vif = netdev_priv(priv->wdev->netdev); + vif->monitor_flag = 1; + } + } + return priv->wdev; +} + +static int del_virtual_intf(struct wiphy *wiphy, struct wireless_dev *wdev) +{ + return 0; +} + +static int wilc_suspend(struct wiphy *wiphy, struct cfg80211_wowlan *wow) +{ + struct wilc_priv *priv = wiphy_priv(wiphy); + struct wilc_vif *vif = netdev_priv(priv->dev); + + if (!wow && wilc_wlan_get_num_conn_ifcs(vif->wilc)) + vif->wilc->suspend_event = true; + else + vif->wilc->suspend_event = false; + + return 0; +} + +static int wilc_resume(struct wiphy *wiphy) +{ + struct wilc_priv *priv = wiphy_priv(wiphy); + struct wilc_vif *vif = netdev_priv(priv->dev); + + netdev_info(vif->ndev, "cfg resume\n"); + return 0; +} + +static void wilc_set_wakeup(struct wiphy *wiphy, bool enabled) +{ + struct wilc_priv *priv = wiphy_priv(wiphy); + struct wilc_vif *vif = netdev_priv(priv->dev); + + netdev_info(vif->ndev, "cfg set wake up = %d\n", enabled); +} + +static int set_tx_power(struct wiphy *wiphy, struct wireless_dev *wdev, + enum nl80211_tx_power_setting type, int mbm) +{ + int ret; + s32 tx_power = MBM_TO_DBM(mbm); + struct wilc_priv *priv = wiphy_priv(wiphy); + struct wilc_vif *vif = netdev_priv(priv->dev); + + if (tx_power < 0) + tx_power = 0; + else if (tx_power > 18) + tx_power = 18; + ret = wilc_set_tx_power(vif, tx_power); + if (ret) + netdev_err(vif->ndev, "Failed to set tx power\n"); + + return ret; +} + +static int get_tx_power(struct wiphy *wiphy, struct wireless_dev *wdev, + int *dbm) +{ + int ret; + struct wilc_priv *priv = wiphy_priv(wiphy); + struct wilc_vif *vif = netdev_priv(priv->dev); + struct wilc *wl = vif->wilc; + + /* If firmware is not started, return. */ + if (!wl->initialized) + return -EIO; + + ret = wilc_get_tx_power(vif, (u8 *)dbm); + if (ret) + netdev_err(vif->ndev, "Failed to get tx power\n"); + + return ret; +} + +static const struct cfg80211_ops wilc_cfg80211_ops = { + .set_monitor_channel = set_channel, + .scan = scan, + .connect = connect, + .disconnect = disconnect, + .add_key = add_key, + .del_key = del_key, + .get_key = get_key, + .set_default_key = set_default_key, + .add_virtual_intf = add_virtual_intf, + .del_virtual_intf = del_virtual_intf, + .change_virtual_intf = change_virtual_intf, + + .start_ap = start_ap, + .change_beacon = change_beacon, + .stop_ap = stop_ap, + .add_station = add_station, + .del_station = del_station, + .change_station = change_station, + .get_station = get_station, + .dump_station = dump_station, + .change_bss = change_bss, + .set_wiphy_params = set_wiphy_params, + + .set_pmksa = set_pmksa, + .del_pmksa = del_pmksa, + .flush_pmksa = flush_pmksa, + .remain_on_channel = remain_on_channel, + .cancel_remain_on_channel = cancel_remain_on_channel, + .mgmt_tx_cancel_wait = mgmt_tx_cancel_wait, + .mgmt_tx = mgmt_tx, + .mgmt_frame_register = wilc_mgmt_frame_register, + .set_power_mgmt = set_power_mgmt, + .set_cqm_rssi_config = set_cqm_rssi_config, + + .suspend = wilc_suspend, + .resume = wilc_resume, + .set_wakeup = wilc_set_wakeup, + .set_tx_power = set_tx_power, + .get_tx_power = get_tx_power, + +}; + +static struct wireless_dev *wilc_wfi_cfg_alloc(void) +{ + struct wireless_dev *wdev; + + wdev = kzalloc(sizeof(*wdev), GFP_KERNEL); + if (!wdev) + goto out; + + wdev->wiphy = wiphy_new(&wilc_cfg80211_ops, sizeof(struct wilc_priv)); + if (!wdev->wiphy) + goto free_mem; + + wilc_band_2ghz.ht_cap.ht_supported = 1; + wilc_band_2ghz.ht_cap.cap |= (1 << IEEE80211_HT_CAP_RX_STBC_SHIFT); + wilc_band_2ghz.ht_cap.mcs.rx_mask[0] = 0xff; + wilc_band_2ghz.ht_cap.ampdu_factor = IEEE80211_HT_MAX_AMPDU_8K; + wilc_band_2ghz.ht_cap.ampdu_density = IEEE80211_HT_MPDU_DENSITY_NONE; + + wdev->wiphy->bands[NL80211_BAND_2GHZ] = &wilc_band_2ghz; + + return wdev; + +free_mem: + kfree(wdev); +out: + return NULL; +} + +struct wireless_dev *wilc_create_wiphy(struct net_device *net, + struct device *dev) +{ + struct wilc_priv *priv; + struct wireless_dev *wdev; + int ret; + + wdev = wilc_wfi_cfg_alloc(); + if (!wdev) { + netdev_err(net, "wiphy new allocate failed\n"); + return NULL; + } + + priv = wdev_priv(wdev); + priv->wdev = wdev; + wdev->wiphy->max_scan_ssids = MAX_NUM_PROBED_SSID; +#ifdef CONFIG_PM + wdev->wiphy->wowlan = &wowlan_support; +#endif + wdev->wiphy->max_num_pmkids = WILC_MAX_NUM_PMKIDS; + wdev->wiphy->max_scan_ie_len = 1000; + wdev->wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM; + wdev->wiphy->cipher_suites = cipher_suites; + wdev->wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites); + wdev->wiphy->mgmt_stypes = wilc_wfi_cfg80211_mgmt_types; + + wdev->wiphy->max_remain_on_channel_duration = 500; + wdev->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | + BIT(NL80211_IFTYPE_AP) | + BIT(NL80211_IFTYPE_MONITOR) | + BIT(NL80211_IFTYPE_P2P_GO) | + BIT(NL80211_IFTYPE_P2P_CLIENT); + wdev->wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL; + wdev->iftype = NL80211_IFTYPE_STATION; + + set_wiphy_dev(wdev->wiphy, dev); + + ret = wiphy_register(wdev->wiphy); + if (ret) { + netdev_err(net, "Cannot register wiphy device\n"); + wiphy_free(wdev->wiphy); + kfree(wdev); + return NULL; + } + + priv->dev = net; + return wdev; +} + +int wilc_init_host_int(struct net_device *net) +{ + int ret; + struct wilc_priv *priv = wdev_priv(net->ieee80211_ptr); + struct wilc_vif *vif = netdev_priv(priv->dev); + + timer_setup(&priv->aging_timer, remove_network_from_shadow, 0); + timer_setup(&vif->during_ip_timer, clear_during_ip, 0); + + priv->p2p_listen_state = false; + + mutex_init(&priv->scan_req_lock); + ret = wilc_init(net, &priv->hif_drv); + if (ret) + netdev_err(net, "Error while initializing hostinterface\n"); + + return ret; +} + +void wilc_deinit_host_int(struct net_device *net) +{ + int ret; + struct wilc_priv *priv = wdev_priv(net->ieee80211_ptr); + struct wilc_vif *vif = netdev_priv(priv->dev); + + priv->p2p_listen_state = false; + + mutex_destroy(&priv->scan_req_lock); + ret = wilc_deinit(vif); + + del_timer_sync(&priv->aging_timer); + clear_shadow_scan(priv); + del_timer_sync(&vif->during_ip_timer); + + if (ret) + netdev_err(net, "Error while deinitializing host interface\n"); +} + +void wilc_free_wiphy(struct net_device *net) +{ + if (!net) + return; + + if (!net->ieee80211_ptr) + return; + + if (!net->ieee80211_ptr->wiphy) + return; + + wiphy_unregister(net->ieee80211_ptr->wiphy); + + wiphy_free(net->ieee80211_ptr->wiphy); + kfree(net->ieee80211_ptr); +}