Larry Finger | 5adef66 | 2013-08-21 22:34:01 -0500 | [diff] [blame] | 1 | /****************************************************************************** |
| 2 | * |
| 3 | * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved. |
| 4 | * |
| 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. |
| 8 | * |
| 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 |
| 12 | * more details. |
| 13 | * |
| 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 |
| 17 | * |
| 18 | * |
| 19 | ******************************************************************************/ |
| 20 | |
| 21 | #include <linux/module.h> |
| 22 | #include <linux/netdevice.h> |
| 23 | |
| 24 | #include <rtw_android.h> |
| 25 | #include <osdep_service.h> |
| 26 | #include <rtw_debug.h> |
Larry Finger | 5adef66 | 2013-08-21 22:34:01 -0500 | [diff] [blame] | 27 | #include <rtw_ioctl_set.h> |
| 28 | |
| 29 | static const char *android_wifi_cmd_str[ANDROID_WIFI_CMD_MAX] = { |
| 30 | "START", |
| 31 | "STOP", |
| 32 | "SCAN-ACTIVE", |
| 33 | "SCAN-PASSIVE", |
| 34 | "RSSI", |
| 35 | "LINKSPEED", |
| 36 | "RXFILTER-START", |
| 37 | "RXFILTER-STOP", |
| 38 | "RXFILTER-ADD", |
| 39 | "RXFILTER-REMOVE", |
| 40 | "BTCOEXSCAN-START", |
| 41 | "BTCOEXSCAN-STOP", |
| 42 | "BTCOEXMODE", |
| 43 | "SETSUSPENDOPT", |
| 44 | "P2P_DEV_ADDR", |
| 45 | "SETFWPATH", |
| 46 | "SETBAND", |
| 47 | "GETBAND", |
| 48 | "COUNTRY", |
| 49 | "P2P_SET_NOA", |
| 50 | "P2P_GET_NOA", |
| 51 | "P2P_SET_PS", |
| 52 | "SET_AP_WPS_P2P_IE", |
| 53 | "MACADDR", |
| 54 | "BLOCK", |
| 55 | "WFD-ENABLE", |
| 56 | "WFD-DISABLE", |
| 57 | "WFD-SET-TCPPORT", |
| 58 | "WFD-SET-MAXTPUT", |
| 59 | "WFD-SET-DEVTYPE", |
| 60 | }; |
| 61 | |
| 62 | struct android_wifi_priv_cmd { |
| 63 | const char __user *buf; |
| 64 | int used_len; |
| 65 | int total_len; |
| 66 | }; |
| 67 | |
| 68 | /** |
| 69 | * Local (static) functions and variables |
| 70 | */ |
| 71 | |
| 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 |
| 74 | * wl_android_wifi_on |
| 75 | */ |
| 76 | static int g_wifi_on = true; |
| 77 | |
| 78 | int rtw_android_cmdstr_to_num(char *cmdstr) |
| 79 | { |
| 80 | int cmd_num; |
| 81 | for (cmd_num = 0; cmd_num < ANDROID_WIFI_CMD_MAX; cmd_num++) |
Andrzej Pietrasiewicz | e703f23 | 2015-06-08 23:16:44 +0200 | [diff] [blame] | 82 | if (0 == strncasecmp(cmdstr, android_wifi_cmd_str[cmd_num], |
Larry Finger | 5adef66 | 2013-08-21 22:34:01 -0500 | [diff] [blame] | 83 | strlen(android_wifi_cmd_str[cmd_num]))) |
| 84 | break; |
| 85 | return cmd_num; |
| 86 | } |
| 87 | |
| 88 | static int rtw_android_get_rssi(struct net_device *net, char *command, |
| 89 | int total_len) |
| 90 | { |
| 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; |
| 95 | |
| 96 | if (check_fwstate(pmlmepriv, _FW_LINKED)) { |
| 97 | bytes_written += snprintf(&command[bytes_written], total_len, |
| 98 | "%s rssi %d", |
| 99 | pcur_network->network.Ssid.Ssid, |
| 100 | padapter->recvpriv.rssi); |
| 101 | } |
| 102 | return bytes_written; |
| 103 | } |
| 104 | |
| 105 | static int rtw_android_get_link_speed(struct net_device *net, char *command, |
| 106 | int total_len) |
| 107 | { |
| 108 | struct adapter *padapter = (struct adapter *)rtw_netdev_priv(net); |
Larry Finger | 5adef66 | 2013-08-21 22:34:01 -0500 | [diff] [blame] | 109 | u16 link_speed; |
| 110 | |
| 111 | link_speed = rtw_get_cur_max_rate(padapter) / 10; |
Vaishali Thakkar | 1703c17 | 2014-09-14 13:46:37 +0530 | [diff] [blame] | 112 | return snprintf(command, total_len, "LinkSpeed %d", |
Larry Finger | 5adef66 | 2013-08-21 22:34:01 -0500 | [diff] [blame] | 113 | link_speed); |
Larry Finger | 5adef66 | 2013-08-21 22:34:01 -0500 | [diff] [blame] | 114 | } |
| 115 | |
| 116 | static int rtw_android_get_macaddr(struct net_device *net, char *command, |
| 117 | int total_len) |
| 118 | { |
Vaishali Thakkar | 1703c17 | 2014-09-14 13:46:37 +0530 | [diff] [blame] | 119 | return snprintf(command, total_len, "Macaddr = %pM", |
Larry Finger | 5adef66 | 2013-08-21 22:34:01 -0500 | [diff] [blame] | 120 | net->dev_addr); |
Larry Finger | 5adef66 | 2013-08-21 22:34:01 -0500 | [diff] [blame] | 121 | } |
| 122 | |
| 123 | static int android_set_cntry(struct net_device *net, char *command, |
| 124 | int total_len) |
| 125 | { |
| 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; |
| 128 | int ret; |
| 129 | |
| 130 | ret = rtw_set_country(adapter, country_code); |
| 131 | return (ret == _SUCCESS) ? 0 : -1; |
| 132 | } |
| 133 | |
| 134 | static int android_get_p2p_addr(struct net_device *net, char *command, |
| 135 | int total_len) |
| 136 | { |
| 137 | /* We use the same address as our HW MAC address */ |
| 138 | memcpy(command, net->dev_addr, ETH_ALEN); |
| 139 | return ETH_ALEN; |
| 140 | } |
| 141 | |
| 142 | static int rtw_android_set_block(struct net_device *net, char *command, |
| 143 | int total_len) |
| 144 | { |
| 145 | return 0; |
| 146 | } |
| 147 | |
| 148 | int rtw_android_priv_cmd(struct net_device *net, struct ifreq *ifr, int cmd) |
| 149 | { |
| 150 | int ret = 0; |
Dan Carpenter | 85e1c55 | 2014-10-31 13:41:05 +0300 | [diff] [blame] | 151 | char *command; |
Larry Finger | 5adef66 | 2013-08-21 22:34:01 -0500 | [diff] [blame] | 152 | int cmd_num; |
| 153 | int bytes_written = 0; |
| 154 | struct android_wifi_priv_cmd priv_cmd; |
| 155 | |
Dan Carpenter | 85e1c55 | 2014-10-31 13:41:05 +0300 | [diff] [blame] | 156 | if (!ifr->ifr_data) |
| 157 | return -EINVAL; |
| 158 | if (copy_from_user(&priv_cmd, ifr->ifr_data, sizeof(priv_cmd))) |
| 159 | return -EFAULT; |
Dan Carpenter | d0915b2 | 2014-10-31 13:40:39 +0300 | [diff] [blame] | 160 | if (priv_cmd.total_len < 1) |
| 161 | return -EINVAL; |
| 162 | command = memdup_user(priv_cmd.buf, priv_cmd.total_len); |
| 163 | if (IS_ERR(command)) |
| 164 | return PTR_ERR(command); |
| 165 | command[priv_cmd.total_len - 1] = 0; |
Larry Finger | 5adef66 | 2013-08-21 22:34:01 -0500 | [diff] [blame] | 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); |
| 169 | switch (cmd_num) { |
| 170 | case ANDROID_WIFI_CMD_START: |
| 171 | goto response; |
| 172 | case ANDROID_WIFI_CMD_SETFWPATH: |
| 173 | goto response; |
| 174 | } |
| 175 | if (!g_wifi_on) { |
| 176 | DBG_88E("%s: Ignore private cmd \"%s\" - iface %s is down\n", |
| 177 | __func__, command, ifr->ifr_name); |
| 178 | ret = 0; |
Dan Carpenter | 85e1c55 | 2014-10-31 13:41:05 +0300 | [diff] [blame] | 179 | goto free; |
Larry Finger | 5adef66 | 2013-08-21 22:34:01 -0500 | [diff] [blame] | 180 | } |
| 181 | switch (cmd_num) { |
| 182 | case ANDROID_WIFI_CMD_STOP: |
| 183 | break; |
| 184 | case ANDROID_WIFI_CMD_SCAN_ACTIVE: |
| 185 | break; |
| 186 | case ANDROID_WIFI_CMD_SCAN_PASSIVE: |
| 187 | break; |
| 188 | case ANDROID_WIFI_CMD_RSSI: |
| 189 | bytes_written = rtw_android_get_rssi(net, command, |
| 190 | priv_cmd.total_len); |
| 191 | break; |
| 192 | case ANDROID_WIFI_CMD_LINKSPEED: |
| 193 | bytes_written = rtw_android_get_link_speed(net, command, |
| 194 | priv_cmd.total_len); |
| 195 | break; |
| 196 | case ANDROID_WIFI_CMD_MACADDR: |
| 197 | bytes_written = rtw_android_get_macaddr(net, command, |
| 198 | priv_cmd.total_len); |
| 199 | break; |
| 200 | case ANDROID_WIFI_CMD_BLOCK: |
| 201 | bytes_written = rtw_android_set_block(net, command, |
| 202 | priv_cmd.total_len); |
| 203 | break; |
| 204 | case ANDROID_WIFI_CMD_RXFILTER_START: |
| 205 | break; |
| 206 | case ANDROID_WIFI_CMD_RXFILTER_STOP: |
| 207 | break; |
| 208 | case ANDROID_WIFI_CMD_RXFILTER_ADD: |
| 209 | break; |
| 210 | case ANDROID_WIFI_CMD_RXFILTER_REMOVE: |
| 211 | break; |
| 212 | case ANDROID_WIFI_CMD_BTCOEXSCAN_START: |
| 213 | /* TBD: BTCOEXSCAN-START */ |
| 214 | break; |
| 215 | case ANDROID_WIFI_CMD_BTCOEXSCAN_STOP: |
| 216 | /* TBD: BTCOEXSCAN-STOP */ |
| 217 | break; |
| 218 | case ANDROID_WIFI_CMD_BTCOEXMODE: |
| 219 | break; |
| 220 | case ANDROID_WIFI_CMD_SETSUSPENDOPT: |
| 221 | break; |
| 222 | case ANDROID_WIFI_CMD_SETBAND: |
| 223 | break; |
| 224 | case ANDROID_WIFI_CMD_GETBAND: |
| 225 | break; |
| 226 | case ANDROID_WIFI_CMD_COUNTRY: |
| 227 | bytes_written = android_set_cntry(net, command, |
| 228 | priv_cmd.total_len); |
| 229 | break; |
| 230 | case ANDROID_WIFI_CMD_P2P_DEV_ADDR: |
| 231 | bytes_written = android_get_p2p_addr(net, command, |
| 232 | priv_cmd.total_len); |
| 233 | break; |
| 234 | case ANDROID_WIFI_CMD_P2P_SET_NOA: |
| 235 | break; |
| 236 | case ANDROID_WIFI_CMD_P2P_GET_NOA: |
| 237 | break; |
| 238 | case ANDROID_WIFI_CMD_P2P_SET_PS: |
| 239 | break; |
| 240 | default: |
| 241 | DBG_88E("Unknown PRIVATE command %s - ignored\n", command); |
| 242 | snprintf(command, 3, "OK"); |
| 243 | bytes_written = strlen("OK"); |
| 244 | } |
| 245 | |
| 246 | response: |
| 247 | if (bytes_written >= 0) { |
| 248 | if ((bytes_written == 0) && (priv_cmd.total_len > 0)) |
| 249 | command[0] = '\0'; |
| 250 | if (bytes_written >= priv_cmd.total_len) { |
| 251 | DBG_88E("%s: bytes_written = %d\n", __func__, |
| 252 | bytes_written); |
| 253 | bytes_written = priv_cmd.total_len; |
| 254 | } else { |
| 255 | bytes_written++; |
| 256 | } |
| 257 | priv_cmd.used_len = bytes_written; |
| 258 | if (copy_to_user((char __user *)priv_cmd.buf, command, |
| 259 | bytes_written)) { |
| 260 | DBG_88E("%s: failed to copy data to user buffer\n", |
| 261 | __func__); |
| 262 | ret = -EFAULT; |
| 263 | } |
| 264 | } else { |
| 265 | ret = bytes_written; |
| 266 | } |
Dan Carpenter | 85e1c55 | 2014-10-31 13:41:05 +0300 | [diff] [blame] | 267 | free: |
Larry Finger | 5adef66 | 2013-08-21 22:34:01 -0500 | [diff] [blame] | 268 | kfree(command); |
| 269 | return ret; |
| 270 | } |