mirror of
https://github.com/lwfinger/rtl8188eu.git
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314 lines
8 KiB
C
314 lines
8 KiB
C
/******************************************************************************
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*
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* Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of version 2 of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
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*
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*
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******************************************************************************/
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#include <linux/module.h>
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#include <linux/netdevice.h>
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#include <rtw_android.h>
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#include <osdep_service.h>
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#include <rtw_debug.h>
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#include <ioctl_cfg80211.h>
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#include <rtw_ioctl_set.h>
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static const char *android_wifi_cmd_str[ANDROID_WIFI_CMD_MAX] = {
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"START",
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"STOP",
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"SCAN-ACTIVE",
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"SCAN-PASSIVE",
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"RSSI",
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"LINKSPEED",
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"RXFILTER-START",
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"RXFILTER-STOP",
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"RXFILTER-ADD",
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"RXFILTER-REMOVE",
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"BTCOEXSCAN-START",
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"BTCOEXSCAN-STOP",
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"BTCOEXMODE",
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"SETSUSPENDOPT",
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"P2P_DEV_ADDR",
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"SETFWPATH",
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"SETBAND",
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"GETBAND",
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"COUNTRY",
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"P2P_SET_NOA",
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"P2P_GET_NOA",
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"P2P_SET_PS",
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"SET_AP_WPS_P2P_IE",
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"MACADDR",
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"BLOCK",
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"WFD-ENABLE",
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"WFD-DISABLE",
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"WFD-SET-TCPPORT",
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"WFD-SET-MAXTPUT",
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"WFD-SET-DEVTYPE",
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};
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struct android_wifi_priv_cmd {
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const char __user *buf;
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int used_len;
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int total_len;
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};
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/**
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* Local (static) functions and variables
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*/
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/* Initialize g_wifi_on to 1 so dhd_bus_start will be called for the first
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* time (only) in dhd_open, subsequential wifi on will be handled by
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* wl_android_wifi_on
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*/
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static int g_wifi_on = true;
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int rtw_android_cmdstr_to_num(char *cmdstr)
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{
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int cmd_num;
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for (cmd_num=0 ; cmd_num<ANDROID_WIFI_CMD_MAX; cmd_num++)
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if (0 == strnicmp(cmdstr , android_wifi_cmd_str[cmd_num], strlen(android_wifi_cmd_str[cmd_num])) )
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break;
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return cmd_num;
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}
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static int rtw_android_get_rssi(struct net_device *net, char *command, int total_len)
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{
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struct adapter *padapter = (struct adapter *)rtw_netdev_priv(net);
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struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
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struct wlan_network *pcur_network = &pmlmepriv->cur_network;
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int bytes_written = 0;
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if (check_fwstate(pmlmepriv, _FW_LINKED) == true) {
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bytes_written += snprintf(&command[bytes_written], total_len, "%s rssi %d",
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pcur_network->network.Ssid.Ssid, padapter->recvpriv.rssi);
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}
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return bytes_written;
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}
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static int rtw_android_get_link_speed(struct net_device *net, char *command, int total_len)
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{
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struct adapter *padapter = (struct adapter *)rtw_netdev_priv(net);
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struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
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struct wlan_network *pcur_network = &pmlmepriv->cur_network;
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int bytes_written = 0;
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u16 link_speed = 0;
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link_speed = rtw_get_cur_max_rate(padapter)/10;
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bytes_written = snprintf(command, total_len, "LinkSpeed %d", link_speed);
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return bytes_written;
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}
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static int rtw_android_get_macaddr(struct net_device *net, char *command, int total_len)
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{
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struct adapter *adapter = (struct adapter *)rtw_netdev_priv(net);
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int bytes_written = 0;
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bytes_written = snprintf(command, total_len, "Macaddr = %pM", net->dev_addr);
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return bytes_written;
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}
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static int rtw_android_set_country(struct net_device *net, char *command, int total_len)
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{
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struct adapter *adapter = (struct adapter *)rtw_netdev_priv(net);
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char *country_code = command + strlen(android_wifi_cmd_str[ANDROID_WIFI_CMD_COUNTRY]) + 1;
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int ret;
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ret = rtw_set_country(adapter, country_code);
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return (ret==_SUCCESS)?0:-1;
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}
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static int rtw_android_get_p2p_dev_addr(struct net_device *net, char *command, int total_len)
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{
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int ret;
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int bytes_written = 0;
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//We use the same address as our HW MAC address
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_rtw_memcpy(command, net->dev_addr, ETH_ALEN);
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bytes_written = ETH_ALEN;
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return bytes_written;
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}
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static int rtw_android_set_block(struct net_device *net, char *command, int total_len)
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{
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int ret;
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struct adapter *adapter = (struct adapter *)rtw_netdev_priv(net);
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char *block_value = command + strlen(android_wifi_cmd_str[ANDROID_WIFI_CMD_BLOCK]) + 1;
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return 0;
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}
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static int get_int_from_command( char* pcmd )
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{
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int i = 0;
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for ( i = 0; i < strlen( pcmd ); i++ )
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{
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if ( pcmd[ i ] == '=' )
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{
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// Skip the '=' and space characters.
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i += 2;
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break;
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}
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}
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return ( rtw_atoi( pcmd + i ) );
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}
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int rtw_android_priv_cmd(struct net_device *net, struct ifreq *ifr, int cmd)
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{
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int ret = 0;
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char *command = NULL;
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int cmd_num;
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int bytes_written = 0;
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struct android_wifi_priv_cmd priv_cmd;
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rtw_lock_suspend();
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if (!ifr->ifr_data) {
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ret = -EINVAL;
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goto exit;
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}
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if (copy_from_user(&priv_cmd, ifr->ifr_data, sizeof(struct android_wifi_priv_cmd))) {
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ret = -EFAULT;
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goto exit;
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}
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command = kmalloc(priv_cmd.total_len, GFP_KERNEL);
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if (!command)
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{
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DBG_88E("%s: failed to allocate memory\n", __func__);
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ret = -ENOMEM;
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goto exit;
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}
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if (!access_ok(VERIFY_READ, priv_cmd.buf, priv_cmd.total_len)){
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DBG_88E("%s: failed to access memory\n", __func__);
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ret = -EFAULT;
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goto exit;
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}
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if (copy_from_user(command, (char __user *)priv_cmd.buf, priv_cmd.total_len)) {
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ret = -EFAULT;
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goto exit;
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}
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DBG_88E("%s: Android private cmd \"%s\" on %s\n"
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, __func__, command, ifr->ifr_name);
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cmd_num = rtw_android_cmdstr_to_num(command);
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switch (cmd_num) {
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case ANDROID_WIFI_CMD_START:
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//bytes_written = wl_android_wifi_on(net);
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goto response;
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case ANDROID_WIFI_CMD_SETFWPATH:
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goto response;
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}
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if (!g_wifi_on) {
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DBG_88E("%s: Ignore private cmd \"%s\" - iface %s is down\n"
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,__func__, command, ifr->ifr_name);
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ret = 0;
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goto exit;
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}
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switch (cmd_num) {
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case ANDROID_WIFI_CMD_STOP:
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break;
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case ANDROID_WIFI_CMD_SCAN_ACTIVE:
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break;
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case ANDROID_WIFI_CMD_SCAN_PASSIVE:
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break;
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case ANDROID_WIFI_CMD_RSSI:
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bytes_written = rtw_android_get_rssi(net, command, priv_cmd.total_len);
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break;
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case ANDROID_WIFI_CMD_LINKSPEED:
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bytes_written = rtw_android_get_link_speed(net, command, priv_cmd.total_len);
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break;
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case ANDROID_WIFI_CMD_MACADDR:
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bytes_written = rtw_android_get_macaddr(net, command, priv_cmd.total_len);
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break;
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case ANDROID_WIFI_CMD_BLOCK:
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bytes_written = rtw_android_set_block(net, command, priv_cmd.total_len);
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break;
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case ANDROID_WIFI_CMD_RXFILTER_START:
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break;
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case ANDROID_WIFI_CMD_RXFILTER_STOP:
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break;
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case ANDROID_WIFI_CMD_RXFILTER_ADD:
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break;
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case ANDROID_WIFI_CMD_RXFILTER_REMOVE:
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break;
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case ANDROID_WIFI_CMD_BTCOEXSCAN_START:
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/* TBD: BTCOEXSCAN-START */
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break;
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case ANDROID_WIFI_CMD_BTCOEXSCAN_STOP:
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/* TBD: BTCOEXSCAN-STOP */
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break;
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case ANDROID_WIFI_CMD_BTCOEXMODE:
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break;
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case ANDROID_WIFI_CMD_SETSUSPENDOPT:
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break;
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case ANDROID_WIFI_CMD_SETBAND:
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break;
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case ANDROID_WIFI_CMD_GETBAND:
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break;
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case ANDROID_WIFI_CMD_COUNTRY:
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bytes_written = rtw_android_set_country(net, command, priv_cmd.total_len);
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break;
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case ANDROID_WIFI_CMD_P2P_DEV_ADDR:
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bytes_written = rtw_android_get_p2p_dev_addr(net, command, priv_cmd.total_len);
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break;
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case ANDROID_WIFI_CMD_P2P_SET_NOA:
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break;
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case ANDROID_WIFI_CMD_P2P_GET_NOA:
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break;
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case ANDROID_WIFI_CMD_P2P_SET_PS:
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break;
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default:
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DBG_88E("Unknown PRIVATE command %s - ignored\n", command);
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snprintf(command, 3, "OK");
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bytes_written = strlen("OK");
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}
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response:
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if (bytes_written >= 0) {
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if ((bytes_written == 0) && (priv_cmd.total_len > 0))
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command[0] = '\0';
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if (bytes_written >= priv_cmd.total_len) {
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DBG_88E("%s: bytes_written = %d\n", __func__, bytes_written);
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bytes_written = priv_cmd.total_len;
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} else {
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bytes_written++;
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}
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priv_cmd.used_len = bytes_written;
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if (copy_to_user((char __user *)priv_cmd.buf, command, bytes_written)) {
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DBG_88E("%s: failed to copy data to user buffer\n", __func__);
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ret = -EFAULT;
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}
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} else {
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ret = bytes_written;
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}
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exit:
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rtw_unlock_suspend();
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if (command)
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kfree(command);
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return ret;
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}
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