1422 lines
38 KiB
C
1422 lines
38 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) 2011-2014, 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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static int disconnect_on_suspend;
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module_param(disconnect_on_suspend, int, 0644);
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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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struct cmd_ctrl_node *cmd_queued)
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{
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int status;
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/* Wait for completion */
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status = wait_event_interruptible_timeout(adapter->cmd_wait_q.wait,
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*(cmd_queued->condition),
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(12 * HZ));
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if (status <= 0) {
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if (status == 0)
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status = -ETIMEDOUT;
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mwifiex_dbg(adapter, ERROR,
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"cmd_wait_q terminated: %d\n", status);
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mwifiex_cancel_all_pending_cmd(adapter);
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return status;
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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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mwifiex_dbg(priv->adapter, INFO,
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"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_ALL_MULTI_MODE) {
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mwifiex_dbg(priv->adapter, INFO,
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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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mwifiex_dbg(priv->adapter, INFO,
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"info: Set multicast list=%d\n",
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mcast_list->num_multicast_addr);
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/* Send multicast addresses to firmware */
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ret = mwifiex_send_cmd(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, false);
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}
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}
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mwifiex_dbg(priv->adapter, INFO,
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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(priv, HostCmd_CMD_MAC_CONTROL,
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HostCmd_ACT_GEN_SET,
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0, &priv->curr_pkt_filter, false);
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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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* beacon_ie buffer is allocated in this function. It is caller's
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* responsibility to free the memory.
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*/
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int mwifiex_fill_new_bss_desc(struct mwifiex_private *priv,
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struct cfg80211_bss *bss,
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struct mwifiex_bssdescriptor *bss_desc)
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{
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u8 *beacon_ie;
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size_t beacon_ie_len;
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struct mwifiex_bss_priv *bss_priv = (void *)bss->priv;
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const struct cfg80211_bss_ies *ies;
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rcu_read_lock();
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ies = rcu_dereference(bss->ies);
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beacon_ie = kmemdup(ies->data, ies->len, GFP_ATOMIC);
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beacon_ie_len = ies->len;
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bss_desc->timestamp = ies->tsf;
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rcu_read_unlock();
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if (!beacon_ie) {
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mwifiex_dbg(priv->adapter, ERROR,
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" failed to alloc beacon_ie\n");
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return -ENOMEM;
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}
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memcpy(bss_desc->mac_address, bss->bssid, ETH_ALEN);
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bss_desc->rssi = bss->signal;
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/* The caller of this function will free beacon_ie */
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bss_desc->beacon_buf = beacon_ie;
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bss_desc->beacon_buf_size = beacon_ie_len;
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bss_desc->beacon_period = bss->beacon_interval;
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bss_desc->cap_info_bitmap = bss->capability;
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bss_desc->bss_band = bss_priv->band;
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bss_desc->fw_tsf = bss_priv->fw_tsf;
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if (bss_desc->cap_info_bitmap & WLAN_CAPABILITY_PRIVACY) {
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mwifiex_dbg(priv->adapter, INFO,
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"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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/* Disable 11ac by default. Enable it only where there
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* exist VHT_CAP IE in AP beacon
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*/
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bss_desc->disable_11ac = true;
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if (bss_desc->cap_info_bitmap & WLAN_CAPABILITY_SPECTRUM_MGMT)
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bss_desc->sensed_11h = true;
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return mwifiex_update_bss_desc_with_ie(priv->adapter, bss_desc);
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}
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void mwifiex_dnld_txpwr_table(struct mwifiex_private *priv)
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{
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if (priv->adapter->dt_node) {
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char txpwr[] = {"marvell,00_txpwrlimit"};
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memcpy(&txpwr[8], priv->adapter->country_code, 2);
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mwifiex_dnld_dt_cfgdata(priv, priv->adapter->dt_node, txpwr);
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}
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}
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static int mwifiex_process_country_ie(struct mwifiex_private *priv,
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struct cfg80211_bss *bss)
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{
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const u8 *country_ie;
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u8 country_ie_len;
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struct mwifiex_802_11d_domain_reg *domain_info =
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&priv->adapter->domain_reg;
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rcu_read_lock();
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country_ie = ieee80211_bss_get_ie(bss, WLAN_EID_COUNTRY);
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if (!country_ie) {
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rcu_read_unlock();
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return 0;
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}
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country_ie_len = country_ie[1];
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if (country_ie_len < IEEE80211_COUNTRY_IE_MIN_LEN) {
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rcu_read_unlock();
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return 0;
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}
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if (!strncmp(priv->adapter->country_code, &country_ie[2], 2)) {
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rcu_read_unlock();
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mwifiex_dbg(priv->adapter, INFO,
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"11D: skip setting domain info in FW\n");
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return 0;
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}
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memcpy(priv->adapter->country_code, &country_ie[2], 2);
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domain_info->country_code[0] = country_ie[2];
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domain_info->country_code[1] = country_ie[3];
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domain_info->country_code[2] = ' ';
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country_ie_len -= IEEE80211_COUNTRY_STRING_LEN;
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domain_info->no_of_triplet =
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country_ie_len / sizeof(struct ieee80211_country_ie_triplet);
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memcpy((u8 *)domain_info->triplet,
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&country_ie[2] + IEEE80211_COUNTRY_STRING_LEN, country_ie_len);
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rcu_read_unlock();
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if (mwifiex_send_cmd(priv, HostCmd_CMD_802_11D_DOMAIN_INFO,
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HostCmd_ACT_GEN_SET, 0, NULL, false)) {
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mwifiex_dbg(priv->adapter, ERROR,
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"11D: setting domain info in FW fail\n");
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return -1;
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}
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mwifiex_dnld_txpwr_table(priv);
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return 0;
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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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priv->scan_block = false;
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if (bss) {
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mwifiex_process_country_ie(priv, 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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return -ENOMEM;
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ret = mwifiex_fill_new_bss_desc(priv, bss, 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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priv->bss_mode == NL80211_IFTYPE_P2P_CLIENT) {
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u8 config_bands;
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if (!bss_desc)
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return -1;
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if (mwifiex_band_to_radio_type(bss_desc->bss_band) ==
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HostCmd_SCAN_RADIO_TYPE_BG) {
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config_bands = BAND_B | BAND_G | BAND_GN;
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} else {
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config_bands = BAND_A | BAND_AN;
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if (adapter->fw_bands & BAND_AAC)
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config_bands |= BAND_AAC;
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}
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if (!((config_bands | adapter->fw_bands) & ~adapter->fw_bands))
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adapter->config_bands = config_bands;
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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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if (mwifiex_11h_get_csa_closed_channel(priv) ==
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(u8)bss_desc->channel) {
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mwifiex_dbg(adapter, ERROR,
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"Attempt to reconnect on csa closed chan(%d)\n",
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bss_desc->channel);
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goto done;
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}
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mwifiex_dbg(adapter, INFO,
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"info: SSID found in scan list ...\t"
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"associating...\n");
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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(priv->adapter->wiphy, 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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ret = 0;
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goto done;
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}
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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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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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mwifiex_dbg(adapter, INFO,
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"info: network found in scan\t"
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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(priv->adapter->wiphy, bss);
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} else {
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mwifiex_dbg(adapter, INFO,
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"info: Network not found in\t"
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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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/* beacon_ie buffer was allocated in function
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* mwifiex_fill_new_bss_desc(). Free it now.
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*/
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if (bss_desc)
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kfree(bss_desc->beacon_buf);
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kfree(bss_desc);
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return ret;
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}
|
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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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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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mwifiex_dbg(adapter, INFO,
|
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"info: Host Sleep IOCTL\t"
|
|
"is blocked in UAPSD/PPS mode\n");
|
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status = -1;
|
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break;
|
|
}
|
|
if (hs_cfg->is_invoke_hostcmd) {
|
|
if (hs_cfg->conditions == HS_CFG_CANCEL) {
|
|
if (!adapter->is_hs_configured)
|
|
/* Already cancelled */
|
|
break;
|
|
/* Save previous condition */
|
|
prev_cond = le32_to_cpu(adapter->hs_cfg
|
|
.conditions);
|
|
adapter->hs_cfg.conditions =
|
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cpu_to_le32(hs_cfg->conditions);
|
|
} else if (hs_cfg->conditions) {
|
|
adapter->hs_cfg.conditions =
|
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cpu_to_le32(hs_cfg->conditions);
|
|
adapter->hs_cfg.gpio = (u8)hs_cfg->gpio;
|
|
if (hs_cfg->gap)
|
|
adapter->hs_cfg.gap = (u8)hs_cfg->gap;
|
|
} else if (adapter->hs_cfg.conditions ==
|
|
cpu_to_le32(HS_CFG_CANCEL)) {
|
|
/* Return failure if no parameters for HS
|
|
enable */
|
|
status = -1;
|
|
break;
|
|
}
|
|
|
|
status = mwifiex_send_cmd(priv,
|
|
HostCmd_CMD_802_11_HS_CFG_ENH,
|
|
HostCmd_ACT_GEN_SET, 0,
|
|
&adapter->hs_cfg,
|
|
cmd_type == MWIFIEX_SYNC_CMD);
|
|
|
|
if (hs_cfg->conditions == HS_CFG_CANCEL)
|
|
/* Restore previous condition */
|
|
adapter->hs_cfg.conditions =
|
|
cpu_to_le32(prev_cond);
|
|
} else {
|
|
adapter->hs_cfg.conditions =
|
|
cpu_to_le32(hs_cfg->conditions);
|
|
adapter->hs_cfg.gpio = (u8)hs_cfg->gpio;
|
|
adapter->hs_cfg.gap = (u8)hs_cfg->gap;
|
|
}
|
|
break;
|
|
case HostCmd_ACT_GEN_GET:
|
|
hs_cfg->conditions = le32_to_cpu(adapter->hs_cfg.conditions);
|
|
hs_cfg->gpio = adapter->hs_cfg.gpio;
|
|
hs_cfg->gap = adapter->hs_cfg.gap;
|
|
break;
|
|
default:
|
|
status = -1;
|
|
break;
|
|
}
|
|
|
|
return status;
|
|
}
|
|
|
|
/*
|
|
* 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.
|
|
*/
|
|
int mwifiex_cancel_hs(struct mwifiex_private *priv, int cmd_type)
|
|
{
|
|
struct mwifiex_ds_hs_cfg hscfg;
|
|
|
|
hscfg.conditions = HS_CFG_CANCEL;
|
|
hscfg.is_invoke_hostcmd = true;
|
|
|
|
return mwifiex_set_hs_params(priv, HostCmd_ACT_GEN_SET,
|
|
cmd_type, &hscfg);
|
|
}
|
|
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.
|
|
*/
|
|
int mwifiex_enable_hs(struct mwifiex_adapter *adapter)
|
|
{
|
|
struct mwifiex_ds_hs_cfg hscfg;
|
|
struct mwifiex_private *priv;
|
|
int i;
|
|
|
|
if (disconnect_on_suspend) {
|
|
for (i = 0; i < adapter->priv_num; i++) {
|
|
priv = adapter->priv[i];
|
|
if (priv)
|
|
mwifiex_deauthenticate(priv, NULL);
|
|
}
|
|
}
|
|
|
|
if (adapter->hs_activated) {
|
|
mwifiex_dbg(adapter, CMD,
|
|
"cmd: HS Already activated\n");
|
|
return true;
|
|
}
|
|
|
|
adapter->hs_activate_wait_q_woken = false;
|
|
|
|
memset(&hscfg, 0, sizeof(struct mwifiex_ds_hs_cfg));
|
|
hscfg.is_invoke_hostcmd = true;
|
|
|
|
adapter->hs_enabling = true;
|
|
mwifiex_cancel_all_pending_cmd(adapter);
|
|
|
|
if (mwifiex_set_hs_params(mwifiex_get_priv(adapter,
|
|
MWIFIEX_BSS_ROLE_STA),
|
|
HostCmd_ACT_GEN_SET, MWIFIEX_SYNC_CMD,
|
|
&hscfg)) {
|
|
mwifiex_dbg(adapter, ERROR,
|
|
"IOCTL request HS enable failed\n");
|
|
return false;
|
|
}
|
|
|
|
if (wait_event_interruptible_timeout(adapter->hs_activate_wait_q,
|
|
adapter->hs_activate_wait_q_woken,
|
|
(10 * HZ)) <= 0) {
|
|
mwifiex_dbg(adapter, ERROR,
|
|
"hs_activate_wait_q terminated\n");
|
|
return false;
|
|
}
|
|
|
|
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;
|
|
|
|
memcpy(info->country_code, adapter->country_code,
|
|
IEEE80211_COUNTRY_STRING_LEN);
|
|
|
|
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(priv, HostCmd_CMD_802_11_PS_MODE_ENH,
|
|
DIS_AUTO_PS, BITMAP_AUTO_DS, &auto_ds, true);
|
|
}
|
|
EXPORT_SYMBOL_GPL(mwifiex_disable_auto_ds);
|
|
|
|
/*
|
|
* 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, u32 *rate)
|
|
{
|
|
int ret;
|
|
|
|
ret = mwifiex_send_cmd(priv, HostCmd_CMD_802_11_TX_RATE_QUERY,
|
|
HostCmd_ACT_GEN_GET, 0, NULL, true);
|
|
|
|
if (!ret) {
|
|
if (priv->is_data_rate_auto)
|
|
*rate = mwifiex_index_to_data_rate(priv, priv->tx_rate,
|
|
priv->tx_htinfo);
|
|
else
|
|
*rate = priv->data_rate;
|
|
}
|
|
|
|
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)) {
|
|
mwifiex_dbg(priv->adapter, ERROR,
|
|
"txpower value %d dBm\t"
|
|
"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)
|
|
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 = cpu_to_le16(TLV_TYPE_POWER_GROUP);
|
|
pg_tlv->length =
|
|
cpu_to_le16(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(priv, HostCmd_CMD_TXPWR_CFG,
|
|
HostCmd_ACT_GEN_SET, 0, buf, true);
|
|
|
|
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(priv, HostCmd_CMD_802_11_PS_MODE_ENH,
|
|
sub_cmd, BITMAP_STA_PS, NULL, true);
|
|
if ((!ret) && (sub_cmd == DIS_AUTO_PS))
|
|
ret = mwifiex_send_cmd(priv, HostCmd_CMD_802_11_PS_MODE_ENH,
|
|
GET_PS, 0, NULL, false);
|
|
|
|
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)) {
|
|
mwifiex_dbg(priv->adapter, ERROR,
|
|
"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;
|
|
mwifiex_dbg(priv->adapter, CMD,
|
|
"cmd: Set Wpa_ie_len=%d IE=%#x\n",
|
|
priv->wpa_ie_len, priv->wpa_ie[0]);
|
|
|
|
if (priv->wpa_ie[0] == WLAN_EID_VENDOR_SPECIFIC) {
|
|
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;
|
|
mwifiex_dbg(priv->adapter, INFO,
|
|
"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)) {
|
|
mwifiex_dbg(priv->adapter, ERROR,
|
|
"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;
|
|
mwifiex_dbg(priv->adapter, CMD,
|
|
"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;
|
|
mwifiex_dbg(priv->adapter, INFO,
|
|
"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/reset WPS IE.
|
|
*
|
|
* The supplied WPS IE is treated as a opaque buffer. Only the first field
|
|
* is checked to internally enable WPS. If buffer length is zero, the existing
|
|
* WPS IE is reset.
|
|
*/
|
|
static int mwifiex_set_wps_ie(struct mwifiex_private *priv,
|
|
u8 *ie_data_ptr, u16 ie_len)
|
|
{
|
|
if (ie_len) {
|
|
if (ie_len > MWIFIEX_MAX_VSIE_LEN) {
|
|
mwifiex_dbg(priv->adapter, ERROR,
|
|
"info: failed to copy WPS IE, too big\n");
|
|
return -1;
|
|
}
|
|
|
|
priv->wps_ie = kzalloc(MWIFIEX_MAX_VSIE_LEN, GFP_KERNEL);
|
|
if (!priv->wps_ie)
|
|
return -ENOMEM;
|
|
|
|
memcpy(priv->wps_ie, ie_data_ptr, ie_len);
|
|
priv->wps_ie_len = ie_len;
|
|
mwifiex_dbg(priv->adapter, CMD,
|
|
"cmd: Set wps_ie_len=%d IE=%#x\n",
|
|
priv->wps_ie_len, priv->wps_ie[0]);
|
|
} else {
|
|
kfree(priv->wps_ie);
|
|
priv->wps_ie_len = ie_len;
|
|
mwifiex_dbg(priv->adapter, INFO,
|
|
"info: Reset wps_ie_len=%d\n", priv->wps_ie_len);
|
|
}
|
|
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(priv, HostCmd_CMD_802_11_KEY_MATERIAL,
|
|
HostCmd_ACT_GEN_SET, KEY_INFO_ENABLED,
|
|
encrypt_key, true);
|
|
}
|
|
|
|
/*
|
|
* 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)
|
|
{
|
|
struct mwifiex_adapter *adapter = priv->adapter;
|
|
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) {
|
|
mwifiex_dbg(adapter, ERROR,
|
|
"key not set, so cannot enable it\n");
|
|
return -1;
|
|
}
|
|
|
|
if (adapter->key_api_major_ver == KEY_API_VER_MAJOR_V2) {
|
|
memcpy(encrypt_key->key_material,
|
|
wep_key->key_material, wep_key->key_length);
|
|
encrypt_key->key_len = wep_key->key_length;
|
|
}
|
|
|
|
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) {
|
|
void *enc_key;
|
|
|
|
if (encrypt_key->key_disable) {
|
|
memset(&priv->wep_key[index], 0,
|
|
sizeof(struct mwifiex_wep_key));
|
|
if (wep_key->key_length)
|
|
goto done;
|
|
}
|
|
|
|
if (adapter->key_api_major_ver == KEY_API_VER_MAJOR_V2)
|
|
enc_key = encrypt_key;
|
|
else
|
|
enc_key = NULL;
|
|
|
|
/* Send request to firmware */
|
|
ret = mwifiex_send_cmd(priv, HostCmd_CMD_802_11_KEY_MATERIAL,
|
|
HostCmd_ACT_GEN_SET, 0, enc_key, false);
|
|
if (ret)
|
|
return ret;
|
|
}
|
|
|
|
done:
|
|
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(priv, HostCmd_CMD_MAC_CONTROL,
|
|
HostCmd_ACT_GEN_SET, 0,
|
|
&priv->curr_pkt_filter, true);
|
|
|
|
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) {
|
|
mwifiex_dbg(priv->adapter, ERROR,
|
|
"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(priv, HostCmd_CMD_802_11_KEY_MATERIAL,
|
|
HostCmd_ACT_GEN_SET,
|
|
KEY_INFO_ENABLED, encrypt_key, false);
|
|
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(priv, HostCmd_CMD_802_11_KEY_MATERIAL,
|
|
HostCmd_ACT_GEN_SET,
|
|
!KEY_INFO_ENABLED, encrypt_key, true);
|
|
else
|
|
ret = mwifiex_send_cmd(priv, HostCmd_CMD_802_11_KEY_MATERIAL,
|
|
HostCmd_ACT_GEN_SET,
|
|
KEY_INFO_ENABLED, encrypt_key, true);
|
|
|
|
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 {
|
|
__le32 l;
|
|
u8 c[4];
|
|
} ver;
|
|
char fw_ver[32];
|
|
|
|
ver.l = cpu_to_le32(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);
|
|
|
|
mwifiex_dbg(adapter, MSG, "info: MWIFIEX VERSION: %s\n", version);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* 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, struct key_params *kp,
|
|
const u8 *key, int key_len, u8 key_index,
|
|
const u8 *mac_addr, 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;
|
|
encrypt_key.key_index = key_index;
|
|
|
|
if (kp && kp->cipher == WLAN_CIPHER_SUITE_AES_CMAC)
|
|
encrypt_key.is_igtk_key = true;
|
|
|
|
if (!disable) {
|
|
if (key_len)
|
|
memcpy(encrypt_key.key_material, key, key_len);
|
|
else
|
|
encrypt_key.is_current_wep_key = true;
|
|
|
|
if (mac_addr)
|
|
memcpy(encrypt_key.mac_addr, mac_addr, ETH_ALEN);
|
|
if (kp && kp->seq && kp->seq_len) {
|
|
memcpy(encrypt_key.pn, kp->seq, kp->seq_len);
|
|
encrypt_key.pn_len = kp->seq_len;
|
|
encrypt_key.is_rx_seq_valid = true;
|
|
}
|
|
} else {
|
|
if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP)
|
|
return 0;
|
|
encrypt_key.key_disable = true;
|
|
if (mac_addr)
|
|
memcpy(encrypt_key.mac_addr, mac_addr, ETH_ALEN);
|
|
}
|
|
|
|
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(priv, HostCmd_CMD_VERSION_EXT,
|
|
HostCmd_ACT_GEN_GET, 0, &ver_ext, true))
|
|
return -1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
mwifiex_remain_on_chan_cfg(struct mwifiex_private *priv, u16 action,
|
|
struct ieee80211_channel *chan,
|
|
unsigned int duration)
|
|
{
|
|
struct host_cmd_ds_remain_on_chan roc_cfg;
|
|
u8 sc;
|
|
|
|
memset(&roc_cfg, 0, sizeof(roc_cfg));
|
|
roc_cfg.action = cpu_to_le16(action);
|
|
if (action == HostCmd_ACT_GEN_SET) {
|
|
roc_cfg.band_cfg = chan->band;
|
|
sc = mwifiex_chan_type_to_sec_chan_offset(NL80211_CHAN_NO_HT);
|
|
roc_cfg.band_cfg |= (sc << 2);
|
|
|
|
roc_cfg.channel =
|
|
ieee80211_frequency_to_channel(chan->center_freq);
|
|
roc_cfg.duration = cpu_to_le32(duration);
|
|
}
|
|
if (mwifiex_send_cmd(priv, HostCmd_CMD_REMAIN_ON_CHAN,
|
|
action, 0, &roc_cfg, true)) {
|
|
mwifiex_dbg(priv->adapter, ERROR,
|
|
"failed to remain on channel\n");
|
|
return -1;
|
|
}
|
|
|
|
return roc_cfg.status;
|
|
}
|
|
|
|
/*
|
|
* 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(priv, HostCmd_CMD_802_11_GET_LOG,
|
|
HostCmd_ACT_GEN_GET, 0, log, true);
|
|
}
|
|
|
|
/*
|
|
* 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(priv, cmd_no, action, 0, reg_rw, true);
|
|
}
|
|
|
|
/*
|
|
* 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(priv, HostCmd_CMD_802_11_EEPROM_ACCESS,
|
|
HostCmd_ACT_GEN_GET, 0, &rd_eeprom, true);
|
|
|
|
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_VENDOR_SPECIFIC) &&
|
|
(!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;
|
|
mwifiex_dbg(priv->adapter, INFO,
|
|
"info: WPS Session Enabled.\n");
|
|
ret = mwifiex_set_wps_ie(priv, ie_data_ptr, ie_len);
|
|
}
|
|
|
|
/* 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;
|
|
mwifiex_dbg(adapter, ERROR,
|
|
"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:
|
|
mwifiex_dbg(adapter, ERROR, "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, const 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;
|
|
}
|