diff options
Diffstat (limited to 'drivers/staging/rtl8188eu/os_dep/rtw_android.c')
| -rw-r--r-- | drivers/staging/rtl8188eu/os_dep/rtw_android.c | 258 |
1 files changed, 258 insertions, 0 deletions
diff --git a/drivers/staging/rtl8188eu/os_dep/rtw_android.c b/drivers/staging/rtl8188eu/os_dep/rtw_android.c new file mode 100644 index 0000000..34080c0 --- /dev/null +++ b/drivers/staging/rtl8188eu/os_dep/rtw_android.c @@ -0,0 +1,258 @@ +// SPDX-License-Identifier: GPL-2.0 +/****************************************************************************** + * + * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved. + * + ******************************************************************************/ + +#include <linux/module.h> +#include <linux/netdevice.h> + +#include <rtw_android.h> +#include <osdep_service.h> +#include <rtw_debug.h> +#include <rtw_ioctl_set.h> + +static const char *android_wifi_cmd_str[ANDROID_WIFI_CMD_MAX] = { + "START", + "STOP", + "SCAN-ACTIVE", + "SCAN-PASSIVE", + "RSSI", + "LINKSPEED", + "RXFILTER-START", + "RXFILTER-STOP", + "RXFILTER-ADD", + "RXFILTER-REMOVE", + "BTCOEXSCAN-START", + "BTCOEXSCAN-STOP", + "BTCOEXMODE", + "SETSUSPENDOPT", + "P2P_DEV_ADDR", + "SETFWPATH", + "SETBAND", + "GETBAND", + "COUNTRY", + "P2P_SET_NOA", + "P2P_GET_NOA", + "P2P_SET_PS", + "SET_AP_WPS_P2P_IE", + "MACADDR", + "BLOCK", + "WFD-ENABLE", + "WFD-DISABLE", + "WFD-SET-TCPPORT", + "WFD-SET-MAXTPUT", + "WFD-SET-DEVTYPE", +}; + +struct android_wifi_priv_cmd { + const char __user *buf; + int used_len; + int total_len; +}; + +/** + * Local (static) functions and variables + */ + +/* Initialize g_wifi_on to 1 so dhd_bus_start will be called for the first + * time (only) in dhd_open, subsequential wifi on will be handled by + * wl_android_wifi_on + */ +static int g_wifi_on = true; + +int rtw_android_cmdstr_to_num(char *cmdstr) +{ + int cmd_num; + + for (cmd_num = 0; cmd_num < ANDROID_WIFI_CMD_MAX; cmd_num++) + if (0 == strncasecmp(cmdstr, android_wifi_cmd_str[cmd_num], + strlen(android_wifi_cmd_str[cmd_num]))) + break; + return cmd_num; +} + +static int rtw_android_get_rssi(struct net_device *net, char *command, + int total_len) +{ + struct adapter *padapter = (struct adapter *)rtw_netdev_priv(net); + struct mlme_priv *pmlmepriv = &(padapter->mlmepriv); + struct wlan_network *pcur_network = &pmlmepriv->cur_network; + int bytes_written = 0; + + if (check_fwstate(pmlmepriv, _FW_LINKED)) { + bytes_written += snprintf(&command[bytes_written], total_len, + "%s rssi %d", + pcur_network->network.Ssid.Ssid, + padapter->recvpriv.rssi); + } + return bytes_written; +} + +static int rtw_android_get_link_speed(struct net_device *net, char *command, + int total_len) +{ + struct adapter *padapter = (struct adapter *)rtw_netdev_priv(net); + u16 link_speed; + + link_speed = rtw_get_cur_max_rate(padapter) / 10; + return snprintf(command, total_len, "LinkSpeed %d", + link_speed); +} + +static int rtw_android_get_macaddr(struct net_device *net, char *command, + int total_len) +{ + return snprintf(command, total_len, "Macaddr = %pM", + net->dev_addr); +} + +static int android_set_cntry(struct net_device *net, char *command, + int total_len) +{ + struct adapter *adapter = (struct adapter *)rtw_netdev_priv(net); + char *country_code = command + strlen(android_wifi_cmd_str[ANDROID_WIFI_CMD_COUNTRY]) + 1; + int ret; + + ret = rtw_set_country(adapter, country_code); + return (ret == _SUCCESS) ? 0 : -1; +} + +static int android_get_p2p_addr(struct net_device *net, char *command, + int total_len) +{ + /* We use the same address as our HW MAC address */ + memcpy(command, net->dev_addr, ETH_ALEN); + return ETH_ALEN; +} + +static int rtw_android_set_block(struct net_device *net, char *command, + int total_len) +{ + return 0; +} + +int rtw_android_priv_cmd(struct net_device *net, struct ifreq *ifr, int cmd) +{ + int ret = 0; + char *command; + int cmd_num; + int bytes_written = 0; + struct android_wifi_priv_cmd priv_cmd; + + if (!ifr->ifr_data) + return -EINVAL; + if (copy_from_user(&priv_cmd, ifr->ifr_data, sizeof(priv_cmd))) + return -EFAULT; + if (priv_cmd.total_len < 1) + return -EINVAL; + command = memdup_user(priv_cmd.buf, priv_cmd.total_len); + if (IS_ERR(command)) + return PTR_ERR(command); + command[priv_cmd.total_len - 1] = 0; + DBG_88E("%s: Android private cmd \"%s\" on %s\n", + __func__, command, ifr->ifr_name); + cmd_num = rtw_android_cmdstr_to_num(command); + switch (cmd_num) { + case ANDROID_WIFI_CMD_START: + goto response; + case ANDROID_WIFI_CMD_SETFWPATH: + goto response; + } + if (!g_wifi_on) { + DBG_88E("%s: Ignore private cmd \"%s\" - iface %s is down\n", + __func__, command, ifr->ifr_name); + ret = 0; + goto free; + } + switch (cmd_num) { + case ANDROID_WIFI_CMD_STOP: + break; + case ANDROID_WIFI_CMD_SCAN_ACTIVE: + break; + case ANDROID_WIFI_CMD_SCAN_PASSIVE: + break; + case ANDROID_WIFI_CMD_RSSI: + bytes_written = rtw_android_get_rssi(net, command, + priv_cmd.total_len); + break; + case ANDROID_WIFI_CMD_LINKSPEED: + bytes_written = rtw_android_get_link_speed(net, command, + priv_cmd.total_len); + break; + case ANDROID_WIFI_CMD_MACADDR: + bytes_written = rtw_android_get_macaddr(net, command, + priv_cmd.total_len); + break; + case ANDROID_WIFI_CMD_BLOCK: + bytes_written = rtw_android_set_block(net, command, + priv_cmd.total_len); + break; + case ANDROID_WIFI_CMD_RXFILTER_START: + break; + case ANDROID_WIFI_CMD_RXFILTER_STOP: + break; + case ANDROID_WIFI_CMD_RXFILTER_ADD: + break; + case ANDROID_WIFI_CMD_RXFILTER_REMOVE: + break; + case ANDROID_WIFI_CMD_BTCOEXSCAN_START: + /* TBD: BTCOEXSCAN-START */ + break; + case ANDROID_WIFI_CMD_BTCOEXSCAN_STOP: + /* TBD: BTCOEXSCAN-STOP */ + break; + case ANDROID_WIFI_CMD_BTCOEXMODE: + break; + case ANDROID_WIFI_CMD_SETSUSPENDOPT: + break; + case ANDROID_WIFI_CMD_SETBAND: + break; + case ANDROID_WIFI_CMD_GETBAND: + break; + case ANDROID_WIFI_CMD_COUNTRY: + bytes_written = android_set_cntry(net, command, + priv_cmd.total_len); + break; + case ANDROID_WIFI_CMD_P2P_DEV_ADDR: + bytes_written = android_get_p2p_addr(net, command, + priv_cmd.total_len); + break; + case ANDROID_WIFI_CMD_P2P_SET_NOA: + break; + case ANDROID_WIFI_CMD_P2P_GET_NOA: + break; + case ANDROID_WIFI_CMD_P2P_SET_PS: + break; + default: + DBG_88E("Unknown PRIVATE command %s - ignored\n", command); + snprintf(command, 3, "OK"); + bytes_written = strlen("OK"); + } + +response: + if (bytes_written >= 0) { + if ((bytes_written == 0) && (priv_cmd.total_len > 0)) + command[0] = '\0'; + if (bytes_written >= priv_cmd.total_len) { + DBG_88E("%s: bytes_written = %d\n", __func__, + bytes_written); + bytes_written = priv_cmd.total_len; + } else { + bytes_written++; + } + priv_cmd.used_len = bytes_written; + if (copy_to_user((char __user *)priv_cmd.buf, command, + bytes_written)) { + DBG_88E("%s: failed to copy data to user buffer\n", + __func__); + ret = -EFAULT; + } + } else { + ret = bytes_written; + } +free: + kfree(command); + return ret; +} |