1526 lines
41 KiB
C
1526 lines
41 KiB
C
/*
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* Marvell Wireless LAN device driver: functions for station ioctl
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*
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* Copyright (C) 2011, Marvell International Ltd.
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*
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* This software file (the "File") is distributed by Marvell International
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* Ltd. under the terms of the GNU General Public License Version 2, June 1991
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* (the "License"). You may use, redistribute and/or modify this File in
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* accordance with the terms and conditions of the License, a copy of which
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* is available by writing to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the
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* worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
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*
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* THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
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* ARE EXPRESSLY DISCLAIMED. The License provides additional details about
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* this warranty disclaimer.
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*/
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#include "decl.h"
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#include "ioctl.h"
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#include "util.h"
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#include "fw.h"
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#include "main.h"
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#include "wmm.h"
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#include "11n.h"
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#include "cfg80211.h"
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/*
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* Copies the multicast address list from device to driver.
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*
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* This function does not validate the destination memory for
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* size, and the calling function must ensure enough memory is
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* available.
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*/
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int mwifiex_copy_mcast_addr(struct mwifiex_multicast_list *mlist,
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struct net_device *dev)
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{
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int i = 0;
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struct netdev_hw_addr *ha;
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netdev_for_each_mc_addr(ha, dev)
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memcpy(&mlist->mac_list[i++], ha->addr, ETH_ALEN);
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return i;
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}
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/*
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* Wait queue completion handler.
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*
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* This function waits on a cmd wait queue. It also cancels the pending
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* request after waking up, in case of errors.
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*/
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int mwifiex_wait_queue_complete(struct mwifiex_adapter *adapter)
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{
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bool cancel_flag = false;
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int status;
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struct cmd_ctrl_node *cmd_queued;
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if (!adapter->cmd_queued)
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return 0;
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cmd_queued = adapter->cmd_queued;
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adapter->cmd_queued = NULL;
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dev_dbg(adapter->dev, "cmd pending\n");
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atomic_inc(&adapter->cmd_pending);
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/* Status pending, wake up main process */
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queue_work(adapter->workqueue, &adapter->main_work);
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/* Wait for completion */
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wait_event_interruptible(adapter->cmd_wait_q.wait,
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*(cmd_queued->condition));
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if (!*(cmd_queued->condition))
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cancel_flag = true;
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if (cancel_flag) {
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mwifiex_cancel_pending_ioctl(adapter);
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dev_dbg(adapter->dev, "cmd cancel\n");
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}
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status = adapter->cmd_wait_q.status;
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adapter->cmd_wait_q.status = 0;
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return status;
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}
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/*
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* This function prepares the correct firmware command and
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* issues it to set the multicast list.
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*
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* This function can be used to enable promiscuous mode, or enable all
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* multicast packets, or to enable selective multicast.
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*/
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int mwifiex_request_set_multicast_list(struct mwifiex_private *priv,
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struct mwifiex_multicast_list *mcast_list)
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{
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int ret = 0;
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u16 old_pkt_filter;
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old_pkt_filter = priv->curr_pkt_filter;
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if (mcast_list->mode == MWIFIEX_PROMISC_MODE) {
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dev_dbg(priv->adapter->dev, "info: Enable Promiscuous mode\n");
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priv->curr_pkt_filter |= HostCmd_ACT_MAC_PROMISCUOUS_ENABLE;
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priv->curr_pkt_filter &=
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~HostCmd_ACT_MAC_ALL_MULTICAST_ENABLE;
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} else {
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/* Multicast */
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priv->curr_pkt_filter &= ~HostCmd_ACT_MAC_PROMISCUOUS_ENABLE;
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if (mcast_list->mode == MWIFIEX_MULTICAST_MODE) {
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dev_dbg(priv->adapter->dev,
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"info: Enabling All Multicast!\n");
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priv->curr_pkt_filter |=
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HostCmd_ACT_MAC_ALL_MULTICAST_ENABLE;
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} else {
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priv->curr_pkt_filter &=
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~HostCmd_ACT_MAC_ALL_MULTICAST_ENABLE;
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if (mcast_list->num_multicast_addr) {
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dev_dbg(priv->adapter->dev,
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"info: Set multicast list=%d\n",
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mcast_list->num_multicast_addr);
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/* Set multicast addresses to firmware */
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if (old_pkt_filter == priv->curr_pkt_filter) {
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/* Send request to firmware */
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ret = mwifiex_send_cmd_async(priv,
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HostCmd_CMD_MAC_MULTICAST_ADR,
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HostCmd_ACT_GEN_SET, 0,
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mcast_list);
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} else {
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/* Send request to firmware */
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ret = mwifiex_send_cmd_async(priv,
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HostCmd_CMD_MAC_MULTICAST_ADR,
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HostCmd_ACT_GEN_SET, 0,
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mcast_list);
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}
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}
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}
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}
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dev_dbg(priv->adapter->dev,
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"info: old_pkt_filter=%#x, curr_pkt_filter=%#x\n",
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old_pkt_filter, priv->curr_pkt_filter);
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if (old_pkt_filter != priv->curr_pkt_filter) {
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ret = mwifiex_send_cmd_async(priv, HostCmd_CMD_MAC_CONTROL,
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HostCmd_ACT_GEN_SET,
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0, &priv->curr_pkt_filter);
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}
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return ret;
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}
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/*
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* This function fills bss descriptor structure using provided
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* information.
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*/
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int mwifiex_fill_new_bss_desc(struct mwifiex_private *priv,
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u8 *bssid, s32 rssi, u8 *ie_buf,
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size_t ie_len, u16 beacon_period,
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u16 cap_info_bitmap, u8 band,
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struct mwifiex_bssdescriptor *bss_desc)
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{
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int ret;
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memcpy(bss_desc->mac_address, bssid, ETH_ALEN);
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bss_desc->rssi = rssi;
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bss_desc->beacon_buf = ie_buf;
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bss_desc->beacon_buf_size = ie_len;
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bss_desc->beacon_period = beacon_period;
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bss_desc->cap_info_bitmap = cap_info_bitmap;
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bss_desc->bss_band = band;
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if (bss_desc->cap_info_bitmap & WLAN_CAPABILITY_PRIVACY) {
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dev_dbg(priv->adapter->dev, "info: InterpretIE: AP WEP enabled\n");
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bss_desc->privacy = MWIFIEX_802_11_PRIV_FILTER_8021X_WEP;
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} else {
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bss_desc->privacy = MWIFIEX_802_11_PRIV_FILTER_ACCEPT_ALL;
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}
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if (bss_desc->cap_info_bitmap & WLAN_CAPABILITY_IBSS)
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bss_desc->bss_mode = NL80211_IFTYPE_ADHOC;
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else
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bss_desc->bss_mode = NL80211_IFTYPE_STATION;
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ret = mwifiex_update_bss_desc_with_ie(priv->adapter, bss_desc,
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ie_buf, ie_len);
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return ret;
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}
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/*
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* In Ad-Hoc mode, the IBSS is created if not found in scan list.
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* In both Ad-Hoc and infra mode, an deauthentication is performed
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* first.
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*/
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int mwifiex_bss_start(struct mwifiex_private *priv, struct cfg80211_bss *bss,
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struct cfg80211_ssid *req_ssid)
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{
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int ret;
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struct mwifiex_adapter *adapter = priv->adapter;
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struct mwifiex_bssdescriptor *bss_desc = NULL;
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u8 *beacon_ie = NULL;
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priv->scan_block = false;
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if (bss) {
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/* Allocate and fill new bss descriptor */
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bss_desc = kzalloc(sizeof(struct mwifiex_bssdescriptor),
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GFP_KERNEL);
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if (!bss_desc) {
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dev_err(priv->adapter->dev, " failed to alloc bss_desc\n");
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return -ENOMEM;
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}
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beacon_ie = kmemdup(bss->information_elements,
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bss->len_beacon_ies, GFP_KERNEL);
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if (!beacon_ie) {
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kfree(bss_desc);
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dev_err(priv->adapter->dev, " failed to alloc beacon_ie\n");
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return -ENOMEM;
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}
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ret = mwifiex_fill_new_bss_desc(priv, bss->bssid, bss->signal,
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beacon_ie, bss->len_beacon_ies,
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bss->beacon_interval,
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bss->capability,
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*(u8 *)bss->priv, bss_desc);
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if (ret)
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goto done;
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}
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if (priv->bss_mode == NL80211_IFTYPE_STATION) {
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/* Infra mode */
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ret = mwifiex_deauthenticate(priv, NULL);
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if (ret)
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goto done;
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ret = mwifiex_check_network_compatibility(priv, bss_desc);
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if (ret)
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goto done;
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dev_dbg(adapter->dev, "info: SSID found in scan list ... "
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"associating...\n");
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if (!netif_queue_stopped(priv->netdev))
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mwifiex_stop_net_dev_queue(priv->netdev, adapter);
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if (netif_carrier_ok(priv->netdev))
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netif_carrier_off(priv->netdev);
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/* Clear any past association response stored for
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* application retrieval */
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priv->assoc_rsp_size = 0;
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ret = mwifiex_associate(priv, bss_desc);
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/* If auth type is auto and association fails using open mode,
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* try to connect using shared mode */
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if (ret == WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG &&
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priv->sec_info.is_authtype_auto &&
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priv->sec_info.wep_enabled) {
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priv->sec_info.authentication_mode =
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NL80211_AUTHTYPE_SHARED_KEY;
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ret = mwifiex_associate(priv, bss_desc);
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}
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if (bss)
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cfg80211_put_bss(bss);
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} else {
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/* Adhoc mode */
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/* If the requested SSID matches current SSID, return */
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if (bss_desc && bss_desc->ssid.ssid_len &&
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(!mwifiex_ssid_cmp(&priv->curr_bss_params.bss_descriptor.
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ssid, &bss_desc->ssid))) {
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kfree(bss_desc);
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kfree(beacon_ie);
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return 0;
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}
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/* Exit Adhoc mode first */
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dev_dbg(adapter->dev, "info: Sending Adhoc Stop\n");
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ret = mwifiex_deauthenticate(priv, NULL);
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if (ret)
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goto done;
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priv->adhoc_is_link_sensed = false;
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ret = mwifiex_check_network_compatibility(priv, bss_desc);
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if (!netif_queue_stopped(priv->netdev))
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mwifiex_stop_net_dev_queue(priv->netdev, adapter);
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if (netif_carrier_ok(priv->netdev))
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netif_carrier_off(priv->netdev);
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if (!ret) {
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dev_dbg(adapter->dev, "info: network found in scan"
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" list. Joining...\n");
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ret = mwifiex_adhoc_join(priv, bss_desc);
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if (bss)
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cfg80211_put_bss(bss);
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} else {
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dev_dbg(adapter->dev, "info: Network not found in "
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"the list, creating adhoc with ssid = %s\n",
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req_ssid->ssid);
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ret = mwifiex_adhoc_start(priv, req_ssid);
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}
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}
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done:
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kfree(bss_desc);
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kfree(beacon_ie);
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return ret;
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}
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/*
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* IOCTL request handler to set host sleep configuration.
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*
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* This function prepares the correct firmware command and
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* issues it.
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*/
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static int mwifiex_set_hs_params(struct mwifiex_private *priv, u16 action,
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int cmd_type, struct mwifiex_ds_hs_cfg *hs_cfg)
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{
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struct mwifiex_adapter *adapter = priv->adapter;
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int status = 0;
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u32 prev_cond = 0;
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if (!hs_cfg)
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return -ENOMEM;
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switch (action) {
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case HostCmd_ACT_GEN_SET:
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if (adapter->pps_uapsd_mode) {
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dev_dbg(adapter->dev, "info: Host Sleep IOCTL"
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" is blocked in UAPSD/PPS mode\n");
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status = -1;
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break;
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}
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if (hs_cfg->is_invoke_hostcmd) {
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if (hs_cfg->conditions == HOST_SLEEP_CFG_CANCEL) {
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if (!adapter->is_hs_configured)
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/* Already cancelled */
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break;
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/* Save previous condition */
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prev_cond = le32_to_cpu(adapter->hs_cfg
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.conditions);
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adapter->hs_cfg.conditions =
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cpu_to_le32(hs_cfg->conditions);
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} else if (hs_cfg->conditions) {
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adapter->hs_cfg.conditions =
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cpu_to_le32(hs_cfg->conditions);
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adapter->hs_cfg.gpio = (u8)hs_cfg->gpio;
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if (hs_cfg->gap)
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adapter->hs_cfg.gap = (u8)hs_cfg->gap;
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} else if (adapter->hs_cfg.conditions
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== cpu_to_le32(HOST_SLEEP_CFG_CANCEL)) {
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/* Return failure if no parameters for HS
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enable */
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status = -1;
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break;
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}
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if (cmd_type == MWIFIEX_SYNC_CMD)
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status = mwifiex_send_cmd_sync(priv,
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HostCmd_CMD_802_11_HS_CFG_ENH,
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HostCmd_ACT_GEN_SET, 0,
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&adapter->hs_cfg);
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else
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status = mwifiex_send_cmd_async(priv,
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HostCmd_CMD_802_11_HS_CFG_ENH,
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HostCmd_ACT_GEN_SET, 0,
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&adapter->hs_cfg);
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if (hs_cfg->conditions == HOST_SLEEP_CFG_CANCEL)
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/* Restore previous condition */
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adapter->hs_cfg.conditions =
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cpu_to_le32(prev_cond);
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} else {
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adapter->hs_cfg.conditions =
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cpu_to_le32(hs_cfg->conditions);
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adapter->hs_cfg.gpio = (u8)hs_cfg->gpio;
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adapter->hs_cfg.gap = (u8)hs_cfg->gap;
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}
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break;
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case HostCmd_ACT_GEN_GET:
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hs_cfg->conditions = le32_to_cpu(adapter->hs_cfg.conditions);
|
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hs_cfg->gpio = adapter->hs_cfg.gpio;
|
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hs_cfg->gap = adapter->hs_cfg.gap;
|
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break;
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default:
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status = -1;
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break;
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}
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|
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return status;
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}
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|
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/*
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* Sends IOCTL request to cancel the existing Host Sleep configuration.
|
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*
|
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* This function allocates the IOCTL request buffer, fills it
|
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* with requisite parameters and calls the IOCTL handler.
|
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*/
|
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int mwifiex_cancel_hs(struct mwifiex_private *priv, int cmd_type)
|
|
{
|
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struct mwifiex_ds_hs_cfg hscfg;
|
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|
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hscfg.conditions = HOST_SLEEP_CFG_CANCEL;
|
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hscfg.is_invoke_hostcmd = true;
|
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|
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return mwifiex_set_hs_params(priv, HostCmd_ACT_GEN_SET,
|
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cmd_type, &hscfg);
|
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}
|
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EXPORT_SYMBOL_GPL(mwifiex_cancel_hs);
|
|
|
|
/*
|
|
* Sends IOCTL request to cancel the existing Host Sleep configuration.
|
|
*
|
|
* This function allocates the IOCTL request buffer, fills it
|
|
* with requisite parameters and calls the IOCTL handler.
|
|
*/
|
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int mwifiex_enable_hs(struct mwifiex_adapter *adapter)
|
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{
|
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struct mwifiex_ds_hs_cfg hscfg;
|
|
|
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if (adapter->hs_activated) {
|
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dev_dbg(adapter->dev, "cmd: HS Already actived\n");
|
|
return true;
|
|
}
|
|
|
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adapter->hs_activate_wait_q_woken = false;
|
|
|
|
memset(&hscfg, 0, sizeof(struct mwifiex_ds_hs_cfg));
|
|
hscfg.is_invoke_hostcmd = true;
|
|
|
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if (mwifiex_set_hs_params(mwifiex_get_priv(adapter,
|
|
MWIFIEX_BSS_ROLE_STA),
|
|
HostCmd_ACT_GEN_SET, MWIFIEX_SYNC_CMD,
|
|
&hscfg)) {
|
|
dev_err(adapter->dev, "IOCTL request HS enable failed\n");
|
|
return false;
|
|
}
|
|
|
|
wait_event_interruptible(adapter->hs_activate_wait_q,
|
|
adapter->hs_activate_wait_q_woken);
|
|
|
|
return true;
|
|
}
|
|
EXPORT_SYMBOL_GPL(mwifiex_enable_hs);
|
|
|
|
/*
|
|
* IOCTL request handler to get BSS information.
|
|
*
|
|
* This function collates the information from different driver structures
|
|
* to send to the user.
|
|
*/
|
|
int mwifiex_get_bss_info(struct mwifiex_private *priv,
|
|
struct mwifiex_bss_info *info)
|
|
{
|
|
struct mwifiex_adapter *adapter = priv->adapter;
|
|
struct mwifiex_bssdescriptor *bss_desc;
|
|
|
|
if (!info)
|
|
return -1;
|
|
|
|
bss_desc = &priv->curr_bss_params.bss_descriptor;
|
|
|
|
info->bss_mode = priv->bss_mode;
|
|
|
|
memcpy(&info->ssid, &bss_desc->ssid, sizeof(struct cfg80211_ssid));
|
|
|
|
memcpy(&info->bssid, &bss_desc->mac_address, ETH_ALEN);
|
|
|
|
info->bss_chan = bss_desc->channel;
|
|
|
|
info->region_code = adapter->region_code;
|
|
|
|
info->media_connected = priv->media_connected;
|
|
|
|
info->max_power_level = priv->max_tx_power_level;
|
|
info->min_power_level = priv->min_tx_power_level;
|
|
|
|
info->adhoc_state = priv->adhoc_state;
|
|
|
|
info->bcn_nf_last = priv->bcn_nf_last;
|
|
|
|
if (priv->sec_info.wep_enabled)
|
|
info->wep_status = true;
|
|
else
|
|
info->wep_status = false;
|
|
|
|
info->is_hs_configured = adapter->is_hs_configured;
|
|
info->is_deep_sleep = adapter->is_deep_sleep;
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* The function disables auto deep sleep mode.
|
|
*/
|
|
int mwifiex_disable_auto_ds(struct mwifiex_private *priv)
|
|
{
|
|
struct mwifiex_ds_auto_ds auto_ds;
|
|
|
|
auto_ds.auto_ds = DEEP_SLEEP_OFF;
|
|
|
|
return mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_PS_MODE_ENH,
|
|
DIS_AUTO_PS, BITMAP_AUTO_DS, &auto_ds);
|
|
}
|
|
EXPORT_SYMBOL_GPL(mwifiex_disable_auto_ds);
|
|
|
|
/*
|
|
* IOCTL request handler to set/get active channel.
|
|
*
|
|
* This function performs validity checking on channel/frequency
|
|
* compatibility and returns failure if not valid.
|
|
*/
|
|
int mwifiex_bss_set_channel(struct mwifiex_private *priv,
|
|
struct mwifiex_chan_freq_power *chan)
|
|
{
|
|
struct mwifiex_adapter *adapter = priv->adapter;
|
|
struct mwifiex_chan_freq_power *cfp = NULL;
|
|
|
|
if (!chan)
|
|
return -1;
|
|
|
|
if (!chan->channel && !chan->freq)
|
|
return -1;
|
|
if (adapter->adhoc_start_band & BAND_AN)
|
|
adapter->adhoc_start_band = BAND_G | BAND_B | BAND_GN;
|
|
else if (adapter->adhoc_start_band & BAND_A)
|
|
adapter->adhoc_start_band = BAND_G | BAND_B;
|
|
if (chan->channel) {
|
|
if (chan->channel <= MAX_CHANNEL_BAND_BG)
|
|
cfp = mwifiex_get_cfp(priv, 0, (u16) chan->channel, 0);
|
|
if (!cfp) {
|
|
cfp = mwifiex_get_cfp(priv, BAND_A,
|
|
(u16) chan->channel, 0);
|
|
if (cfp) {
|
|
if (adapter->adhoc_11n_enabled)
|
|
adapter->adhoc_start_band = BAND_A
|
|
| BAND_AN;
|
|
else
|
|
adapter->adhoc_start_band = BAND_A;
|
|
}
|
|
}
|
|
} else {
|
|
if (chan->freq <= MAX_FREQUENCY_BAND_BG)
|
|
cfp = mwifiex_get_cfp(priv, 0, 0, chan->freq);
|
|
if (!cfp) {
|
|
cfp = mwifiex_get_cfp(priv, BAND_A, 0, chan->freq);
|
|
if (cfp) {
|
|
if (adapter->adhoc_11n_enabled)
|
|
adapter->adhoc_start_band = BAND_A
|
|
| BAND_AN;
|
|
else
|
|
adapter->adhoc_start_band = BAND_A;
|
|
}
|
|
}
|
|
}
|
|
if (!cfp || !cfp->channel) {
|
|
dev_err(adapter->dev, "invalid channel/freq\n");
|
|
return -1;
|
|
}
|
|
priv->adhoc_channel = (u8) cfp->channel;
|
|
chan->channel = cfp->channel;
|
|
chan->freq = cfp->freq;
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* IOCTL request handler to set/get Ad-Hoc channel.
|
|
*
|
|
* This function prepares the correct firmware command and
|
|
* issues it to set or get the ad-hoc channel.
|
|
*/
|
|
static int mwifiex_bss_ioctl_ibss_channel(struct mwifiex_private *priv,
|
|
u16 action, u16 *channel)
|
|
{
|
|
if (action == HostCmd_ACT_GEN_GET) {
|
|
if (!priv->media_connected) {
|
|
*channel = priv->adhoc_channel;
|
|
return 0;
|
|
}
|
|
} else {
|
|
priv->adhoc_channel = (u8) *channel;
|
|
}
|
|
|
|
return mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_RF_CHANNEL,
|
|
action, 0, channel);
|
|
}
|
|
|
|
/*
|
|
* IOCTL request handler to change Ad-Hoc channel.
|
|
*
|
|
* This function allocates the IOCTL request buffer, fills it
|
|
* with requisite parameters and calls the IOCTL handler.
|
|
*
|
|
* The function follows the following steps to perform the change -
|
|
* - Get current IBSS information
|
|
* - Get current channel
|
|
* - If no change is required, return
|
|
* - If not connected, change channel and return
|
|
* - If connected,
|
|
* - Disconnect
|
|
* - Change channel
|
|
* - Perform specific SSID scan with same SSID
|
|
* - Start/Join the IBSS
|
|
*/
|
|
int
|
|
mwifiex_drv_change_adhoc_chan(struct mwifiex_private *priv, u16 channel)
|
|
{
|
|
int ret;
|
|
struct mwifiex_bss_info bss_info;
|
|
struct mwifiex_ssid_bssid ssid_bssid;
|
|
u16 curr_chan = 0;
|
|
struct cfg80211_bss *bss = NULL;
|
|
struct ieee80211_channel *chan;
|
|
enum ieee80211_band band;
|
|
|
|
memset(&bss_info, 0, sizeof(bss_info));
|
|
|
|
/* Get BSS information */
|
|
if (mwifiex_get_bss_info(priv, &bss_info))
|
|
return -1;
|
|
|
|
/* Get current channel */
|
|
ret = mwifiex_bss_ioctl_ibss_channel(priv, HostCmd_ACT_GEN_GET,
|
|
&curr_chan);
|
|
|
|
if (curr_chan == channel) {
|
|
ret = 0;
|
|
goto done;
|
|
}
|
|
dev_dbg(priv->adapter->dev, "cmd: updating channel from %d to %d\n",
|
|
curr_chan, channel);
|
|
|
|
if (!bss_info.media_connected) {
|
|
ret = 0;
|
|
goto done;
|
|
}
|
|
|
|
/* Do disonnect */
|
|
memset(&ssid_bssid, 0, ETH_ALEN);
|
|
ret = mwifiex_deauthenticate(priv, ssid_bssid.bssid);
|
|
|
|
ret = mwifiex_bss_ioctl_ibss_channel(priv, HostCmd_ACT_GEN_SET,
|
|
&channel);
|
|
|
|
/* Do specific SSID scanning */
|
|
if (mwifiex_request_scan(priv, &bss_info.ssid)) {
|
|
ret = -1;
|
|
goto done;
|
|
}
|
|
|
|
band = mwifiex_band_to_radio_type(priv->curr_bss_params.band);
|
|
chan = __ieee80211_get_channel(priv->wdev->wiphy,
|
|
ieee80211_channel_to_frequency(channel,
|
|
band));
|
|
|
|
/* Find the BSS we want using available scan results */
|
|
bss = cfg80211_get_bss(priv->wdev->wiphy, chan, bss_info.bssid,
|
|
bss_info.ssid.ssid, bss_info.ssid.ssid_len,
|
|
WLAN_CAPABILITY_ESS, WLAN_CAPABILITY_ESS);
|
|
if (!bss)
|
|
wiphy_warn(priv->wdev->wiphy, "assoc: bss %pM not in scan results\n",
|
|
bss_info.bssid);
|
|
|
|
ret = mwifiex_bss_start(priv, bss, &bss_info.ssid);
|
|
done:
|
|
return ret;
|
|
}
|
|
|
|
/*
|
|
* IOCTL request handler to get rate.
|
|
*
|
|
* This function prepares the correct firmware command and
|
|
* issues it to get the current rate if it is connected,
|
|
* otherwise, the function returns the lowest supported rate
|
|
* for the band.
|
|
*/
|
|
static int mwifiex_rate_ioctl_get_rate_value(struct mwifiex_private *priv,
|
|
struct mwifiex_rate_cfg *rate_cfg)
|
|
{
|
|
rate_cfg->is_rate_auto = priv->is_data_rate_auto;
|
|
return mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_TX_RATE_QUERY,
|
|
HostCmd_ACT_GEN_GET, 0, NULL);
|
|
}
|
|
|
|
/*
|
|
* IOCTL request handler to set rate.
|
|
*
|
|
* This function prepares the correct firmware command and
|
|
* issues it to set the current rate.
|
|
*
|
|
* The function also performs validation checking on the supplied value.
|
|
*/
|
|
static int mwifiex_rate_ioctl_set_rate_value(struct mwifiex_private *priv,
|
|
struct mwifiex_rate_cfg *rate_cfg)
|
|
{
|
|
u8 rates[MWIFIEX_SUPPORTED_RATES];
|
|
u8 *rate;
|
|
int rate_index, ret;
|
|
u16 bitmap_rates[MAX_BITMAP_RATES_SIZE];
|
|
u32 i;
|
|
struct mwifiex_adapter *adapter = priv->adapter;
|
|
|
|
if (rate_cfg->is_rate_auto) {
|
|
memset(bitmap_rates, 0, sizeof(bitmap_rates));
|
|
/* Support all HR/DSSS rates */
|
|
bitmap_rates[0] = 0x000F;
|
|
/* Support all OFDM rates */
|
|
bitmap_rates[1] = 0x00FF;
|
|
/* Support all HT-MCSs rate */
|
|
for (i = 0; i < ARRAY_SIZE(priv->bitmap_rates) - 3; i++)
|
|
bitmap_rates[i + 2] = 0xFFFF;
|
|
bitmap_rates[9] = 0x3FFF;
|
|
} else {
|
|
memset(rates, 0, sizeof(rates));
|
|
mwifiex_get_active_data_rates(priv, rates);
|
|
rate = rates;
|
|
for (i = 0; (rate[i] && i < MWIFIEX_SUPPORTED_RATES); i++) {
|
|
dev_dbg(adapter->dev, "info: rate=%#x wanted=%#x\n",
|
|
rate[i], rate_cfg->rate);
|
|
if ((rate[i] & 0x7f) == (rate_cfg->rate & 0x7f))
|
|
break;
|
|
}
|
|
if ((i == MWIFIEX_SUPPORTED_RATES) || !rate[i]) {
|
|
dev_err(adapter->dev, "fixed data rate %#x is out "
|
|
"of range\n", rate_cfg->rate);
|
|
return -1;
|
|
}
|
|
memset(bitmap_rates, 0, sizeof(bitmap_rates));
|
|
|
|
rate_index = mwifiex_data_rate_to_index(rate_cfg->rate);
|
|
|
|
/* Only allow b/g rates to be set */
|
|
if (rate_index >= MWIFIEX_RATE_INDEX_HRDSSS0 &&
|
|
rate_index <= MWIFIEX_RATE_INDEX_HRDSSS3) {
|
|
bitmap_rates[0] = 1 << rate_index;
|
|
} else {
|
|
rate_index -= 1; /* There is a 0x00 in the table */
|
|
if (rate_index >= MWIFIEX_RATE_INDEX_OFDM0 &&
|
|
rate_index <= MWIFIEX_RATE_INDEX_OFDM7)
|
|
bitmap_rates[1] = 1 << (rate_index -
|
|
MWIFIEX_RATE_INDEX_OFDM0);
|
|
}
|
|
}
|
|
|
|
ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_TX_RATE_CFG,
|
|
HostCmd_ACT_GEN_SET, 0, bitmap_rates);
|
|
|
|
return ret;
|
|
}
|
|
|
|
/*
|
|
* IOCTL request handler to set/get rate.
|
|
*
|
|
* This function can be used to set/get either the rate value or the
|
|
* rate index.
|
|
*/
|
|
static int mwifiex_rate_ioctl_cfg(struct mwifiex_private *priv,
|
|
struct mwifiex_rate_cfg *rate_cfg)
|
|
{
|
|
int status;
|
|
|
|
if (!rate_cfg)
|
|
return -1;
|
|
|
|
if (rate_cfg->action == HostCmd_ACT_GEN_GET)
|
|
status = mwifiex_rate_ioctl_get_rate_value(priv, rate_cfg);
|
|
else
|
|
status = mwifiex_rate_ioctl_set_rate_value(priv, rate_cfg);
|
|
|
|
return status;
|
|
}
|
|
|
|
/*
|
|
* Sends IOCTL request to get the data rate.
|
|
*
|
|
* This function allocates the IOCTL request buffer, fills it
|
|
* with requisite parameters and calls the IOCTL handler.
|
|
*/
|
|
int mwifiex_drv_get_data_rate(struct mwifiex_private *priv,
|
|
struct mwifiex_rate_cfg *rate)
|
|
{
|
|
int ret;
|
|
|
|
memset(rate, 0, sizeof(struct mwifiex_rate_cfg));
|
|
rate->action = HostCmd_ACT_GEN_GET;
|
|
ret = mwifiex_rate_ioctl_cfg(priv, rate);
|
|
|
|
if (!ret) {
|
|
if (rate->is_rate_auto)
|
|
rate->rate = mwifiex_index_to_data_rate(priv,
|
|
priv->tx_rate,
|
|
priv->tx_htinfo
|
|
);
|
|
else
|
|
rate->rate = priv->data_rate;
|
|
} else {
|
|
ret = -1;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
/*
|
|
* IOCTL request handler to set tx power configuration.
|
|
*
|
|
* This function prepares the correct firmware command and
|
|
* issues it.
|
|
*
|
|
* For non-auto power mode, all the following power groups are set -
|
|
* - Modulation class HR/DSSS
|
|
* - Modulation class OFDM
|
|
* - Modulation class HTBW20
|
|
* - Modulation class HTBW40
|
|
*/
|
|
int mwifiex_set_tx_power(struct mwifiex_private *priv,
|
|
struct mwifiex_power_cfg *power_cfg)
|
|
{
|
|
int ret;
|
|
struct host_cmd_ds_txpwr_cfg *txp_cfg;
|
|
struct mwifiex_types_power_group *pg_tlv;
|
|
struct mwifiex_power_group *pg;
|
|
u8 *buf;
|
|
u16 dbm = 0;
|
|
|
|
if (!power_cfg->is_power_auto) {
|
|
dbm = (u16) power_cfg->power_level;
|
|
if ((dbm < priv->min_tx_power_level) ||
|
|
(dbm > priv->max_tx_power_level)) {
|
|
dev_err(priv->adapter->dev, "txpower value %d dBm"
|
|
" is out of range (%d dBm-%d dBm)\n",
|
|
dbm, priv->min_tx_power_level,
|
|
priv->max_tx_power_level);
|
|
return -1;
|
|
}
|
|
}
|
|
buf = kzalloc(MWIFIEX_SIZE_OF_CMD_BUFFER, GFP_KERNEL);
|
|
if (!buf) {
|
|
dev_err(priv->adapter->dev, "%s: failed to alloc cmd buffer\n",
|
|
__func__);
|
|
return -ENOMEM;
|
|
}
|
|
|
|
txp_cfg = (struct host_cmd_ds_txpwr_cfg *) buf;
|
|
txp_cfg->action = cpu_to_le16(HostCmd_ACT_GEN_SET);
|
|
if (!power_cfg->is_power_auto) {
|
|
txp_cfg->mode = cpu_to_le32(1);
|
|
pg_tlv = (struct mwifiex_types_power_group *)
|
|
(buf + sizeof(struct host_cmd_ds_txpwr_cfg));
|
|
pg_tlv->type = TLV_TYPE_POWER_GROUP;
|
|
pg_tlv->length = 4 * sizeof(struct mwifiex_power_group);
|
|
pg = (struct mwifiex_power_group *)
|
|
(buf + sizeof(struct host_cmd_ds_txpwr_cfg)
|
|
+ sizeof(struct mwifiex_types_power_group));
|
|
/* Power group for modulation class HR/DSSS */
|
|
pg->first_rate_code = 0x00;
|
|
pg->last_rate_code = 0x03;
|
|
pg->modulation_class = MOD_CLASS_HR_DSSS;
|
|
pg->power_step = 0;
|
|
pg->power_min = (s8) dbm;
|
|
pg->power_max = (s8) dbm;
|
|
pg++;
|
|
/* Power group for modulation class OFDM */
|
|
pg->first_rate_code = 0x00;
|
|
pg->last_rate_code = 0x07;
|
|
pg->modulation_class = MOD_CLASS_OFDM;
|
|
pg->power_step = 0;
|
|
pg->power_min = (s8) dbm;
|
|
pg->power_max = (s8) dbm;
|
|
pg++;
|
|
/* Power group for modulation class HTBW20 */
|
|
pg->first_rate_code = 0x00;
|
|
pg->last_rate_code = 0x20;
|
|
pg->modulation_class = MOD_CLASS_HT;
|
|
pg->power_step = 0;
|
|
pg->power_min = (s8) dbm;
|
|
pg->power_max = (s8) dbm;
|
|
pg->ht_bandwidth = HT_BW_20;
|
|
pg++;
|
|
/* Power group for modulation class HTBW40 */
|
|
pg->first_rate_code = 0x00;
|
|
pg->last_rate_code = 0x20;
|
|
pg->modulation_class = MOD_CLASS_HT;
|
|
pg->power_step = 0;
|
|
pg->power_min = (s8) dbm;
|
|
pg->power_max = (s8) dbm;
|
|
pg->ht_bandwidth = HT_BW_40;
|
|
}
|
|
ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_TXPWR_CFG,
|
|
HostCmd_ACT_GEN_SET, 0, buf);
|
|
|
|
kfree(buf);
|
|
return ret;
|
|
}
|
|
|
|
/*
|
|
* IOCTL request handler to get power save mode.
|
|
*
|
|
* This function prepares the correct firmware command and
|
|
* issues it.
|
|
*/
|
|
int mwifiex_drv_set_power(struct mwifiex_private *priv, u32 *ps_mode)
|
|
{
|
|
int ret;
|
|
struct mwifiex_adapter *adapter = priv->adapter;
|
|
u16 sub_cmd;
|
|
|
|
if (*ps_mode)
|
|
adapter->ps_mode = MWIFIEX_802_11_POWER_MODE_PSP;
|
|
else
|
|
adapter->ps_mode = MWIFIEX_802_11_POWER_MODE_CAM;
|
|
sub_cmd = (*ps_mode) ? EN_AUTO_PS : DIS_AUTO_PS;
|
|
ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_PS_MODE_ENH,
|
|
sub_cmd, BITMAP_STA_PS, NULL);
|
|
if ((!ret) && (sub_cmd == DIS_AUTO_PS))
|
|
ret = mwifiex_send_cmd_async(priv,
|
|
HostCmd_CMD_802_11_PS_MODE_ENH,
|
|
GET_PS, 0, NULL);
|
|
|
|
return ret;
|
|
}
|
|
|
|
/*
|
|
* IOCTL request handler to set/reset WPA IE.
|
|
*
|
|
* The supplied WPA IE is treated as a opaque buffer. Only the first field
|
|
* is checked to determine WPA version. If buffer length is zero, the existing
|
|
* WPA IE is reset.
|
|
*/
|
|
static int mwifiex_set_wpa_ie_helper(struct mwifiex_private *priv,
|
|
u8 *ie_data_ptr, u16 ie_len)
|
|
{
|
|
if (ie_len) {
|
|
if (ie_len > sizeof(priv->wpa_ie)) {
|
|
dev_err(priv->adapter->dev,
|
|
"failed to copy WPA IE, too big\n");
|
|
return -1;
|
|
}
|
|
memcpy(priv->wpa_ie, ie_data_ptr, ie_len);
|
|
priv->wpa_ie_len = (u8) ie_len;
|
|
dev_dbg(priv->adapter->dev, "cmd: Set Wpa_ie_len=%d IE=%#x\n",
|
|
priv->wpa_ie_len, priv->wpa_ie[0]);
|
|
|
|
if (priv->wpa_ie[0] == WLAN_EID_WPA) {
|
|
priv->sec_info.wpa_enabled = true;
|
|
} else if (priv->wpa_ie[0] == WLAN_EID_RSN) {
|
|
priv->sec_info.wpa2_enabled = true;
|
|
} else {
|
|
priv->sec_info.wpa_enabled = false;
|
|
priv->sec_info.wpa2_enabled = false;
|
|
}
|
|
} else {
|
|
memset(priv->wpa_ie, 0, sizeof(priv->wpa_ie));
|
|
priv->wpa_ie_len = 0;
|
|
dev_dbg(priv->adapter->dev, "info: reset wpa_ie_len=%d IE=%#x\n",
|
|
priv->wpa_ie_len, priv->wpa_ie[0]);
|
|
priv->sec_info.wpa_enabled = false;
|
|
priv->sec_info.wpa2_enabled = false;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* IOCTL request handler to set/reset WAPI IE.
|
|
*
|
|
* The supplied WAPI IE is treated as a opaque buffer. Only the first field
|
|
* is checked to internally enable WAPI. If buffer length is zero, the existing
|
|
* WAPI IE is reset.
|
|
*/
|
|
static int mwifiex_set_wapi_ie(struct mwifiex_private *priv,
|
|
u8 *ie_data_ptr, u16 ie_len)
|
|
{
|
|
if (ie_len) {
|
|
if (ie_len > sizeof(priv->wapi_ie)) {
|
|
dev_dbg(priv->adapter->dev,
|
|
"info: failed to copy WAPI IE, too big\n");
|
|
return -1;
|
|
}
|
|
memcpy(priv->wapi_ie, ie_data_ptr, ie_len);
|
|
priv->wapi_ie_len = ie_len;
|
|
dev_dbg(priv->adapter->dev, "cmd: Set wapi_ie_len=%d IE=%#x\n",
|
|
priv->wapi_ie_len, priv->wapi_ie[0]);
|
|
|
|
if (priv->wapi_ie[0] == WLAN_EID_BSS_AC_ACCESS_DELAY)
|
|
priv->sec_info.wapi_enabled = true;
|
|
} else {
|
|
memset(priv->wapi_ie, 0, sizeof(priv->wapi_ie));
|
|
priv->wapi_ie_len = ie_len;
|
|
dev_dbg(priv->adapter->dev,
|
|
"info: Reset wapi_ie_len=%d IE=%#x\n",
|
|
priv->wapi_ie_len, priv->wapi_ie[0]);
|
|
priv->sec_info.wapi_enabled = false;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* IOCTL request handler to set WAPI key.
|
|
*
|
|
* This function prepares the correct firmware command and
|
|
* issues it.
|
|
*/
|
|
static int mwifiex_sec_ioctl_set_wapi_key(struct mwifiex_private *priv,
|
|
struct mwifiex_ds_encrypt_key *encrypt_key)
|
|
{
|
|
|
|
return mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_KEY_MATERIAL,
|
|
HostCmd_ACT_GEN_SET, KEY_INFO_ENABLED,
|
|
encrypt_key);
|
|
}
|
|
|
|
/*
|
|
* IOCTL request handler to set WEP network key.
|
|
*
|
|
* This function prepares the correct firmware command and
|
|
* issues it, after validation checks.
|
|
*/
|
|
static int mwifiex_sec_ioctl_set_wep_key(struct mwifiex_private *priv,
|
|
struct mwifiex_ds_encrypt_key *encrypt_key)
|
|
{
|
|
int ret;
|
|
struct mwifiex_wep_key *wep_key;
|
|
int index;
|
|
|
|
if (priv->wep_key_curr_index >= NUM_WEP_KEYS)
|
|
priv->wep_key_curr_index = 0;
|
|
wep_key = &priv->wep_key[priv->wep_key_curr_index];
|
|
index = encrypt_key->key_index;
|
|
if (encrypt_key->key_disable) {
|
|
priv->sec_info.wep_enabled = 0;
|
|
} else if (!encrypt_key->key_len) {
|
|
/* Copy the required key as the current key */
|
|
wep_key = &priv->wep_key[index];
|
|
if (!wep_key->key_length) {
|
|
dev_err(priv->adapter->dev,
|
|
"key not set, so cannot enable it\n");
|
|
return -1;
|
|
}
|
|
priv->wep_key_curr_index = (u16) index;
|
|
priv->sec_info.wep_enabled = 1;
|
|
} else {
|
|
wep_key = &priv->wep_key[index];
|
|
memset(wep_key, 0, sizeof(struct mwifiex_wep_key));
|
|
/* Copy the key in the driver */
|
|
memcpy(wep_key->key_material,
|
|
encrypt_key->key_material,
|
|
encrypt_key->key_len);
|
|
wep_key->key_index = index;
|
|
wep_key->key_length = encrypt_key->key_len;
|
|
priv->sec_info.wep_enabled = 1;
|
|
}
|
|
if (wep_key->key_length) {
|
|
/* Send request to firmware */
|
|
ret = mwifiex_send_cmd_async(priv,
|
|
HostCmd_CMD_802_11_KEY_MATERIAL,
|
|
HostCmd_ACT_GEN_SET, 0, NULL);
|
|
if (ret)
|
|
return ret;
|
|
}
|
|
if (priv->sec_info.wep_enabled)
|
|
priv->curr_pkt_filter |= HostCmd_ACT_MAC_WEP_ENABLE;
|
|
else
|
|
priv->curr_pkt_filter &= ~HostCmd_ACT_MAC_WEP_ENABLE;
|
|
|
|
ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_MAC_CONTROL,
|
|
HostCmd_ACT_GEN_SET, 0,
|
|
&priv->curr_pkt_filter);
|
|
|
|
return ret;
|
|
}
|
|
|
|
/*
|
|
* IOCTL request handler to set WPA key.
|
|
*
|
|
* This function prepares the correct firmware command and
|
|
* issues it, after validation checks.
|
|
*
|
|
* Current driver only supports key length of up to 32 bytes.
|
|
*
|
|
* This function can also be used to disable a currently set key.
|
|
*/
|
|
static int mwifiex_sec_ioctl_set_wpa_key(struct mwifiex_private *priv,
|
|
struct mwifiex_ds_encrypt_key *encrypt_key)
|
|
{
|
|
int ret;
|
|
u8 remove_key = false;
|
|
struct host_cmd_ds_802_11_key_material *ibss_key;
|
|
|
|
/* Current driver only supports key length of up to 32 bytes */
|
|
if (encrypt_key->key_len > WLAN_MAX_KEY_LEN) {
|
|
dev_err(priv->adapter->dev, "key length too long\n");
|
|
return -1;
|
|
}
|
|
|
|
if (priv->bss_mode == NL80211_IFTYPE_ADHOC) {
|
|
/*
|
|
* IBSS/WPA-None uses only one key (Group) for both receiving
|
|
* and sending unicast and multicast packets.
|
|
*/
|
|
/* Send the key as PTK to firmware */
|
|
encrypt_key->key_index = MWIFIEX_KEY_INDEX_UNICAST;
|
|
ret = mwifiex_send_cmd_async(priv,
|
|
HostCmd_CMD_802_11_KEY_MATERIAL,
|
|
HostCmd_ACT_GEN_SET,
|
|
KEY_INFO_ENABLED, encrypt_key);
|
|
if (ret)
|
|
return ret;
|
|
|
|
ibss_key = &priv->aes_key;
|
|
memset(ibss_key, 0,
|
|
sizeof(struct host_cmd_ds_802_11_key_material));
|
|
/* Copy the key in the driver */
|
|
memcpy(ibss_key->key_param_set.key, encrypt_key->key_material,
|
|
encrypt_key->key_len);
|
|
memcpy(&ibss_key->key_param_set.key_len, &encrypt_key->key_len,
|
|
sizeof(ibss_key->key_param_set.key_len));
|
|
ibss_key->key_param_set.key_type_id
|
|
= cpu_to_le16(KEY_TYPE_ID_TKIP);
|
|
ibss_key->key_param_set.key_info = cpu_to_le16(KEY_ENABLED);
|
|
|
|
/* Send the key as GTK to firmware */
|
|
encrypt_key->key_index = ~MWIFIEX_KEY_INDEX_UNICAST;
|
|
}
|
|
|
|
if (!encrypt_key->key_index)
|
|
encrypt_key->key_index = MWIFIEX_KEY_INDEX_UNICAST;
|
|
|
|
if (remove_key)
|
|
ret = mwifiex_send_cmd_sync(priv,
|
|
HostCmd_CMD_802_11_KEY_MATERIAL,
|
|
HostCmd_ACT_GEN_SET,
|
|
!KEY_INFO_ENABLED, encrypt_key);
|
|
else
|
|
ret = mwifiex_send_cmd_sync(priv,
|
|
HostCmd_CMD_802_11_KEY_MATERIAL,
|
|
HostCmd_ACT_GEN_SET,
|
|
KEY_INFO_ENABLED, encrypt_key);
|
|
|
|
return ret;
|
|
}
|
|
|
|
/*
|
|
* IOCTL request handler to set/get network keys.
|
|
*
|
|
* This is a generic key handling function which supports WEP, WPA
|
|
* and WAPI.
|
|
*/
|
|
static int
|
|
mwifiex_sec_ioctl_encrypt_key(struct mwifiex_private *priv,
|
|
struct mwifiex_ds_encrypt_key *encrypt_key)
|
|
{
|
|
int status;
|
|
|
|
if (encrypt_key->is_wapi_key)
|
|
status = mwifiex_sec_ioctl_set_wapi_key(priv, encrypt_key);
|
|
else if (encrypt_key->key_len > WLAN_KEY_LEN_WEP104)
|
|
status = mwifiex_sec_ioctl_set_wpa_key(priv, encrypt_key);
|
|
else
|
|
status = mwifiex_sec_ioctl_set_wep_key(priv, encrypt_key);
|
|
return status;
|
|
}
|
|
|
|
/*
|
|
* This function returns the driver version.
|
|
*/
|
|
int
|
|
mwifiex_drv_get_driver_version(struct mwifiex_adapter *adapter, char *version,
|
|
int max_len)
|
|
{
|
|
union {
|
|
u32 l;
|
|
u8 c[4];
|
|
} ver;
|
|
char fw_ver[32];
|
|
|
|
ver.l = adapter->fw_release_number;
|
|
sprintf(fw_ver, "%u.%u.%u.p%u", ver.c[2], ver.c[1], ver.c[0], ver.c[3]);
|
|
|
|
snprintf(version, max_len, driver_version, fw_ver);
|
|
|
|
dev_dbg(adapter->dev, "info: MWIFIEX VERSION: %s\n", version);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Sends IOCTL request to get signal information.
|
|
*
|
|
* This function allocates the IOCTL request buffer, fills it
|
|
* with requisite parameters and calls the IOCTL handler.
|
|
*/
|
|
int mwifiex_get_signal_info(struct mwifiex_private *priv,
|
|
struct mwifiex_ds_get_signal *signal)
|
|
{
|
|
int status;
|
|
|
|
signal->selector = ALL_RSSI_INFO_MASK;
|
|
|
|
/* Signal info can be obtained only if connected */
|
|
if (!priv->media_connected) {
|
|
dev_dbg(priv->adapter->dev,
|
|
"info: Can not get signal in disconnected state\n");
|
|
return -1;
|
|
}
|
|
|
|
status = mwifiex_send_cmd_sync(priv, HostCmd_CMD_RSSI_INFO,
|
|
HostCmd_ACT_GEN_GET, 0, signal);
|
|
|
|
if (!status) {
|
|
if (signal->selector & BCN_RSSI_AVG_MASK)
|
|
priv->qual_level = signal->bcn_rssi_avg;
|
|
if (signal->selector & BCN_NF_AVG_MASK)
|
|
priv->qual_noise = signal->bcn_nf_avg;
|
|
}
|
|
|
|
return status;
|
|
}
|
|
|
|
/*
|
|
* Sends IOCTL request to set encoding parameters.
|
|
*
|
|
* This function allocates the IOCTL request buffer, fills it
|
|
* with requisite parameters and calls the IOCTL handler.
|
|
*/
|
|
int mwifiex_set_encode(struct mwifiex_private *priv, const u8 *key,
|
|
int key_len, u8 key_index, int disable)
|
|
{
|
|
struct mwifiex_ds_encrypt_key encrypt_key;
|
|
|
|
memset(&encrypt_key, 0, sizeof(struct mwifiex_ds_encrypt_key));
|
|
encrypt_key.key_len = key_len;
|
|
if (!disable) {
|
|
encrypt_key.key_index = key_index;
|
|
if (key_len)
|
|
memcpy(encrypt_key.key_material, key, key_len);
|
|
} else {
|
|
encrypt_key.key_disable = true;
|
|
}
|
|
|
|
return mwifiex_sec_ioctl_encrypt_key(priv, &encrypt_key);
|
|
}
|
|
|
|
/*
|
|
* Sends IOCTL request to get extended version.
|
|
*
|
|
* This function allocates the IOCTL request buffer, fills it
|
|
* with requisite parameters and calls the IOCTL handler.
|
|
*/
|
|
int
|
|
mwifiex_get_ver_ext(struct mwifiex_private *priv)
|
|
{
|
|
struct mwifiex_ver_ext ver_ext;
|
|
|
|
memset(&ver_ext, 0, sizeof(struct host_cmd_ds_version_ext));
|
|
if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_VERSION_EXT,
|
|
HostCmd_ACT_GEN_GET, 0, &ver_ext))
|
|
return -1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Sends IOCTL request to get statistics information.
|
|
*
|
|
* This function allocates the IOCTL request buffer, fills it
|
|
* with requisite parameters and calls the IOCTL handler.
|
|
*/
|
|
int
|
|
mwifiex_get_stats_info(struct mwifiex_private *priv,
|
|
struct mwifiex_ds_get_stats *log)
|
|
{
|
|
return mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_GET_LOG,
|
|
HostCmd_ACT_GEN_GET, 0, log);
|
|
}
|
|
|
|
/*
|
|
* IOCTL request handler to read/write register.
|
|
*
|
|
* This function prepares the correct firmware command and
|
|
* issues it.
|
|
*
|
|
* Access to the following registers are supported -
|
|
* - MAC
|
|
* - BBP
|
|
* - RF
|
|
* - PMIC
|
|
* - CAU
|
|
*/
|
|
static int mwifiex_reg_mem_ioctl_reg_rw(struct mwifiex_private *priv,
|
|
struct mwifiex_ds_reg_rw *reg_rw,
|
|
u16 action)
|
|
{
|
|
u16 cmd_no;
|
|
|
|
switch (le32_to_cpu(reg_rw->type)) {
|
|
case MWIFIEX_REG_MAC:
|
|
cmd_no = HostCmd_CMD_MAC_REG_ACCESS;
|
|
break;
|
|
case MWIFIEX_REG_BBP:
|
|
cmd_no = HostCmd_CMD_BBP_REG_ACCESS;
|
|
break;
|
|
case MWIFIEX_REG_RF:
|
|
cmd_no = HostCmd_CMD_RF_REG_ACCESS;
|
|
break;
|
|
case MWIFIEX_REG_PMIC:
|
|
cmd_no = HostCmd_CMD_PMIC_REG_ACCESS;
|
|
break;
|
|
case MWIFIEX_REG_CAU:
|
|
cmd_no = HostCmd_CMD_CAU_REG_ACCESS;
|
|
break;
|
|
default:
|
|
return -1;
|
|
}
|
|
|
|
return mwifiex_send_cmd_sync(priv, cmd_no, action, 0, reg_rw);
|
|
|
|
}
|
|
|
|
/*
|
|
* Sends IOCTL request to write to a register.
|
|
*
|
|
* This function allocates the IOCTL request buffer, fills it
|
|
* with requisite parameters and calls the IOCTL handler.
|
|
*/
|
|
int
|
|
mwifiex_reg_write(struct mwifiex_private *priv, u32 reg_type,
|
|
u32 reg_offset, u32 reg_value)
|
|
{
|
|
struct mwifiex_ds_reg_rw reg_rw;
|
|
|
|
reg_rw.type = cpu_to_le32(reg_type);
|
|
reg_rw.offset = cpu_to_le32(reg_offset);
|
|
reg_rw.value = cpu_to_le32(reg_value);
|
|
|
|
return mwifiex_reg_mem_ioctl_reg_rw(priv, ®_rw, HostCmd_ACT_GEN_SET);
|
|
}
|
|
|
|
/*
|
|
* Sends IOCTL request to read from a register.
|
|
*
|
|
* This function allocates the IOCTL request buffer, fills it
|
|
* with requisite parameters and calls the IOCTL handler.
|
|
*/
|
|
int
|
|
mwifiex_reg_read(struct mwifiex_private *priv, u32 reg_type,
|
|
u32 reg_offset, u32 *value)
|
|
{
|
|
int ret;
|
|
struct mwifiex_ds_reg_rw reg_rw;
|
|
|
|
reg_rw.type = cpu_to_le32(reg_type);
|
|
reg_rw.offset = cpu_to_le32(reg_offset);
|
|
ret = mwifiex_reg_mem_ioctl_reg_rw(priv, ®_rw, HostCmd_ACT_GEN_GET);
|
|
|
|
if (ret)
|
|
goto done;
|
|
|
|
*value = le32_to_cpu(reg_rw.value);
|
|
|
|
done:
|
|
return ret;
|
|
}
|
|
|
|
/*
|
|
* Sends IOCTL request to read from EEPROM.
|
|
*
|
|
* This function allocates the IOCTL request buffer, fills it
|
|
* with requisite parameters and calls the IOCTL handler.
|
|
*/
|
|
int
|
|
mwifiex_eeprom_read(struct mwifiex_private *priv, u16 offset, u16 bytes,
|
|
u8 *value)
|
|
{
|
|
int ret;
|
|
struct mwifiex_ds_read_eeprom rd_eeprom;
|
|
|
|
rd_eeprom.offset = cpu_to_le16((u16) offset);
|
|
rd_eeprom.byte_count = cpu_to_le16((u16) bytes);
|
|
|
|
/* Send request to firmware */
|
|
ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_EEPROM_ACCESS,
|
|
HostCmd_ACT_GEN_GET, 0, &rd_eeprom);
|
|
|
|
if (!ret)
|
|
memcpy(value, rd_eeprom.value, MAX_EEPROM_DATA);
|
|
return ret;
|
|
}
|
|
|
|
/*
|
|
* This function sets a generic IE. In addition to generic IE, it can
|
|
* also handle WPA, WPA2 and WAPI IEs.
|
|
*/
|
|
static int
|
|
mwifiex_set_gen_ie_helper(struct mwifiex_private *priv, u8 *ie_data_ptr,
|
|
u16 ie_len)
|
|
{
|
|
int ret = 0;
|
|
struct ieee_types_vendor_header *pvendor_ie;
|
|
const u8 wpa_oui[] = { 0x00, 0x50, 0xf2, 0x01 };
|
|
const u8 wps_oui[] = { 0x00, 0x50, 0xf2, 0x04 };
|
|
|
|
/* If the passed length is zero, reset the buffer */
|
|
if (!ie_len) {
|
|
priv->gen_ie_buf_len = 0;
|
|
priv->wps.session_enable = false;
|
|
|
|
return 0;
|
|
} else if (!ie_data_ptr) {
|
|
return -1;
|
|
}
|
|
pvendor_ie = (struct ieee_types_vendor_header *) ie_data_ptr;
|
|
/* Test to see if it is a WPA IE, if not, then it is a gen IE */
|
|
if (((pvendor_ie->element_id == WLAN_EID_WPA) &&
|
|
(!memcmp(pvendor_ie->oui, wpa_oui, sizeof(wpa_oui)))) ||
|
|
(pvendor_ie->element_id == WLAN_EID_RSN)) {
|
|
|
|
/* IE is a WPA/WPA2 IE so call set_wpa function */
|
|
ret = mwifiex_set_wpa_ie_helper(priv, ie_data_ptr, ie_len);
|
|
priv->wps.session_enable = false;
|
|
|
|
return ret;
|
|
} else if (pvendor_ie->element_id == WLAN_EID_BSS_AC_ACCESS_DELAY) {
|
|
/* IE is a WAPI IE so call set_wapi function */
|
|
ret = mwifiex_set_wapi_ie(priv, ie_data_ptr, ie_len);
|
|
|
|
return ret;
|
|
}
|
|
/*
|
|
* Verify that the passed length is not larger than the
|
|
* available space remaining in the buffer
|
|
*/
|
|
if (ie_len < (sizeof(priv->gen_ie_buf) - priv->gen_ie_buf_len)) {
|
|
|
|
/* Test to see if it is a WPS IE, if so, enable
|
|
* wps session flag
|
|
*/
|
|
pvendor_ie = (struct ieee_types_vendor_header *) ie_data_ptr;
|
|
if ((pvendor_ie->element_id == WLAN_EID_VENDOR_SPECIFIC) &&
|
|
(!memcmp(pvendor_ie->oui, wps_oui, sizeof(wps_oui)))) {
|
|
priv->wps.session_enable = true;
|
|
dev_dbg(priv->adapter->dev,
|
|
"info: WPS Session Enabled.\n");
|
|
}
|
|
|
|
/* Append the passed data to the end of the
|
|
genIeBuffer */
|
|
memcpy(priv->gen_ie_buf + priv->gen_ie_buf_len, ie_data_ptr,
|
|
ie_len);
|
|
/* Increment the stored buffer length by the
|
|
size passed */
|
|
priv->gen_ie_buf_len += ie_len;
|
|
} else {
|
|
/* Passed data does not fit in the remaining
|
|
buffer space */
|
|
ret = -1;
|
|
}
|
|
|
|
/* Return 0, or -1 for error case */
|
|
return ret;
|
|
}
|
|
|
|
/*
|
|
* IOCTL request handler to set/get generic IE.
|
|
*
|
|
* In addition to various generic IEs, this function can also be
|
|
* used to set the ARP filter.
|
|
*/
|
|
static int mwifiex_misc_ioctl_gen_ie(struct mwifiex_private *priv,
|
|
struct mwifiex_ds_misc_gen_ie *gen_ie,
|
|
u16 action)
|
|
{
|
|
struct mwifiex_adapter *adapter = priv->adapter;
|
|
|
|
switch (gen_ie->type) {
|
|
case MWIFIEX_IE_TYPE_GEN_IE:
|
|
if (action == HostCmd_ACT_GEN_GET) {
|
|
gen_ie->len = priv->wpa_ie_len;
|
|
memcpy(gen_ie->ie_data, priv->wpa_ie, gen_ie->len);
|
|
} else {
|
|
mwifiex_set_gen_ie_helper(priv, gen_ie->ie_data,
|
|
(u16) gen_ie->len);
|
|
}
|
|
break;
|
|
case MWIFIEX_IE_TYPE_ARP_FILTER:
|
|
memset(adapter->arp_filter, 0, sizeof(adapter->arp_filter));
|
|
if (gen_ie->len > ARP_FILTER_MAX_BUF_SIZE) {
|
|
adapter->arp_filter_size = 0;
|
|
dev_err(adapter->dev, "invalid ARP filter size\n");
|
|
return -1;
|
|
} else {
|
|
memcpy(adapter->arp_filter, gen_ie->ie_data,
|
|
gen_ie->len);
|
|
adapter->arp_filter_size = gen_ie->len;
|
|
}
|
|
break;
|
|
default:
|
|
dev_err(adapter->dev, "invalid IE type\n");
|
|
return -1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Sends IOCTL request to set a generic IE.
|
|
*
|
|
* This function allocates the IOCTL request buffer, fills it
|
|
* with requisite parameters and calls the IOCTL handler.
|
|
*/
|
|
int
|
|
mwifiex_set_gen_ie(struct mwifiex_private *priv, u8 *ie, int ie_len)
|
|
{
|
|
struct mwifiex_ds_misc_gen_ie gen_ie;
|
|
|
|
if (ie_len > IEEE_MAX_IE_SIZE)
|
|
return -EFAULT;
|
|
|
|
gen_ie.type = MWIFIEX_IE_TYPE_GEN_IE;
|
|
gen_ie.len = ie_len;
|
|
memcpy(gen_ie.ie_data, ie, ie_len);
|
|
if (mwifiex_misc_ioctl_gen_ie(priv, &gen_ie, HostCmd_ACT_GEN_SET))
|
|
return -EFAULT;
|
|
|
|
return 0;
|
|
}
|