1 /******************************************************************************
3 * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of version 2 of the GNU General Public License as
7 * published by the Free Software Foundation.
9 * This program is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
14 * You should have received a copy of the GNU General Public License along with
15 * this program; if not, write to the Free Software Foundation, Inc.,
16 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
19 ******************************************************************************/
21 #include <linux/module.h>
22 #include <linux/netdevice.h>
24 #include <rtw_android.h>
25 #include <osdep_service.h>
26 #include <rtw_debug.h>
27 #include <rtw_ioctl_set.h>
29 static const char *android_wifi_cmd_str[ANDROID_WIFI_CMD_MAX] = {
62 struct android_wifi_priv_cmd {
63 const char __user *buf;
69 * Local (static) functions and variables
72 /* Initialize g_wifi_on to 1 so dhd_bus_start will be called for the first
73 * time (only) in dhd_open, subsequential wifi on will be handled by
76 static int g_wifi_on = true;
78 int rtw_android_cmdstr_to_num(char *cmdstr)
81 for (cmd_num = 0; cmd_num < ANDROID_WIFI_CMD_MAX; cmd_num++)
82 if (0 == strncasecmp(cmdstr, android_wifi_cmd_str[cmd_num],
83 strlen(android_wifi_cmd_str[cmd_num])))
88 static int rtw_android_get_rssi(struct net_device *net, char *command,
91 struct adapter *padapter = (struct adapter *)rtw_netdev_priv(net);
92 struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
93 struct wlan_network *pcur_network = &pmlmepriv->cur_network;
94 int bytes_written = 0;
96 if (check_fwstate(pmlmepriv, _FW_LINKED)) {
97 bytes_written += snprintf(&command[bytes_written], total_len,
99 pcur_network->network.Ssid.Ssid,
100 padapter->recvpriv.rssi);
102 return bytes_written;
105 static int rtw_android_get_link_speed(struct net_device *net, char *command,
108 struct adapter *padapter = (struct adapter *)rtw_netdev_priv(net);
111 link_speed = rtw_get_cur_max_rate(padapter) / 10;
112 return snprintf(command, total_len, "LinkSpeed %d",
116 static int rtw_android_get_macaddr(struct net_device *net, char *command,
119 return snprintf(command, total_len, "Macaddr = %pM",
123 static int android_set_cntry(struct net_device *net, char *command,
126 struct adapter *adapter = (struct adapter *)rtw_netdev_priv(net);
127 char *country_code = command + strlen(android_wifi_cmd_str[ANDROID_WIFI_CMD_COUNTRY]) + 1;
130 ret = rtw_set_country(adapter, country_code);
131 return (ret == _SUCCESS) ? 0 : -1;
134 static int android_get_p2p_addr(struct net_device *net, char *command,
137 /* We use the same address as our HW MAC address */
138 memcpy(command, net->dev_addr, ETH_ALEN);
142 static int rtw_android_set_block(struct net_device *net, char *command,
148 int rtw_android_priv_cmd(struct net_device *net, struct ifreq *ifr, int cmd)
153 int bytes_written = 0;
154 struct android_wifi_priv_cmd priv_cmd;
158 if (copy_from_user(&priv_cmd, ifr->ifr_data, sizeof(priv_cmd)))
160 if (priv_cmd.total_len < 1)
162 command = memdup_user(priv_cmd.buf, priv_cmd.total_len);
164 return PTR_ERR(command);
165 command[priv_cmd.total_len - 1] = 0;
166 DBG_88E("%s: Android private cmd \"%s\" on %s\n",
167 __func__, command, ifr->ifr_name);
168 cmd_num = rtw_android_cmdstr_to_num(command);
170 case ANDROID_WIFI_CMD_START:
172 case ANDROID_WIFI_CMD_SETFWPATH:
176 DBG_88E("%s: Ignore private cmd \"%s\" - iface %s is down\n",
177 __func__, command, ifr->ifr_name);
182 case ANDROID_WIFI_CMD_STOP:
184 case ANDROID_WIFI_CMD_SCAN_ACTIVE:
186 case ANDROID_WIFI_CMD_SCAN_PASSIVE:
188 case ANDROID_WIFI_CMD_RSSI:
189 bytes_written = rtw_android_get_rssi(net, command,
192 case ANDROID_WIFI_CMD_LINKSPEED:
193 bytes_written = rtw_android_get_link_speed(net, command,
196 case ANDROID_WIFI_CMD_MACADDR:
197 bytes_written = rtw_android_get_macaddr(net, command,
200 case ANDROID_WIFI_CMD_BLOCK:
201 bytes_written = rtw_android_set_block(net, command,
204 case ANDROID_WIFI_CMD_RXFILTER_START:
206 case ANDROID_WIFI_CMD_RXFILTER_STOP:
208 case ANDROID_WIFI_CMD_RXFILTER_ADD:
210 case ANDROID_WIFI_CMD_RXFILTER_REMOVE:
212 case ANDROID_WIFI_CMD_BTCOEXSCAN_START:
213 /* TBD: BTCOEXSCAN-START */
215 case ANDROID_WIFI_CMD_BTCOEXSCAN_STOP:
216 /* TBD: BTCOEXSCAN-STOP */
218 case ANDROID_WIFI_CMD_BTCOEXMODE:
220 case ANDROID_WIFI_CMD_SETSUSPENDOPT:
222 case ANDROID_WIFI_CMD_SETBAND:
224 case ANDROID_WIFI_CMD_GETBAND:
226 case ANDROID_WIFI_CMD_COUNTRY:
227 bytes_written = android_set_cntry(net, command,
230 case ANDROID_WIFI_CMD_P2P_DEV_ADDR:
231 bytes_written = android_get_p2p_addr(net, command,
234 case ANDROID_WIFI_CMD_P2P_SET_NOA:
236 case ANDROID_WIFI_CMD_P2P_GET_NOA:
238 case ANDROID_WIFI_CMD_P2P_SET_PS:
241 DBG_88E("Unknown PRIVATE command %s - ignored\n", command);
242 snprintf(command, 3, "OK");
243 bytes_written = strlen("OK");
247 if (bytes_written >= 0) {
248 if ((bytes_written == 0) && (priv_cmd.total_len > 0))
250 if (bytes_written >= priv_cmd.total_len) {
251 DBG_88E("%s: bytes_written = %d\n", __func__,
253 bytes_written = priv_cmd.total_len;
257 priv_cmd.used_len = bytes_written;
258 if (copy_to_user((char __user *)priv_cmd.buf, command,
260 DBG_88E("%s: failed to copy data to user buffer\n",