/****************************************************************************** * * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify it * under the terms of version 2 of the GNU General Public License as * published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for * more details. * * You should have received a copy of the GNU General Public License along with * this program; if not, write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA * * ******************************************************************************/ #include #include #include #include #include #include #include #include #if defined(RTW_ENABLE_WIFI_CONTROL_FUNC) #include #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 35)) #include #else #include #endif #endif /* defined(RTW_ENABLE_WIFI_CONTROL_FUNC) */ 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", #ifdef PNO_SUPPORT "PNOSSIDCLR", "PNOSETUP ", "PNOFORCE", "PNODEBUG", #endif "MACADDR", "BLOCK", "WFD-ENABLE", "WFD-DISABLE", "WFD-SET-TCPPORT", "WFD-SET-MAXTPUT", "WFD-SET-DEVTYPE", }; #ifdef PNO_SUPPORT #define PNO_TLV_PREFIX 'S' #define PNO_TLV_VERSION '1' #define PNO_TLV_SUBVERSION '2' #define PNO_TLV_RESERVED '0' #define PNO_TLV_TYPE_SSID_IE 'S' #define PNO_TLV_TYPE_TIME 'T' #define PNO_TLV_FREQ_REPEAT 'R' #define PNO_TLV_FREQ_EXPO_MAX 'M' typedef struct cmd_tlv { char prefix; char version; char subver; char reserved; } cmd_tlv_t; #endif /* PNO_SUPPORT */ typedef struct android_wifi_priv_cmd { char *buf; int used_len; int total_len; } android_wifi_priv_cmd; /** * 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; static unsigned int oob_irq; #ifdef PNO_SUPPORT static int wl_android_set_pno_setup(struct net_device *dev, char *command, int total_len) { wlc_ssid_t ssids_local[MAX_PFN_LIST_COUNT]; int res = -1; int nssid = 0; cmd_tlv_t *cmd_tlv_temp; char *str_ptr; int tlv_size_left; int pno_time = 0; int pno_repeat = 0; int pno_freq_expo_max = 0; #ifdef PNO_SET_DEBUG int i; char pno_in_example[] = { 'P', 'N', 'O', 'S', 'E', 'T', 'U', 'P', ' ', 'S', '1', '2', '0', 'S', 0x05, 'd', 'l', 'i', 'n', 'k', 'S', 0x04, 'G', 'O', 'O', 'G', 'T', '0', 'B', 'R', '2', 'M', '2', 0x00 }; #endif /* PNO_SET_DEBUG */ DHD_INFO(("%s: command=%s, len=%d\n", __FUNCTION__, command, total_len)); if (total_len < (strlen(CMD_PNOSETUP_SET) + sizeof(cmd_tlv_t))) { DBG_88E("%s argument=%d less min size\n", __FUNCTION__, total_len); goto exit_proc; } #ifdef PNO_SET_DEBUG memcpy(command, pno_in_example, sizeof(pno_in_example)); for (i = 0; i < sizeof(pno_in_example); i++) printf("%02X ", command[i]); printf("\n"); total_len = sizeof(pno_in_example); #endif str_ptr = command + strlen(CMD_PNOSETUP_SET); tlv_size_left = total_len - strlen(CMD_PNOSETUP_SET); cmd_tlv_temp = (cmd_tlv_t *)str_ptr; memset(ssids_local, 0, sizeof(ssids_local)); if ((cmd_tlv_temp->prefix == PNO_TLV_PREFIX) && (cmd_tlv_temp->version == PNO_TLV_VERSION) && (cmd_tlv_temp->subver == PNO_TLV_SUBVERSION)) { str_ptr += sizeof(cmd_tlv_t); tlv_size_left -= sizeof(cmd_tlv_t); if ((nssid = wl_iw_parse_ssid_list_tlv(&str_ptr, ssids_local, MAX_PFN_LIST_COUNT, &tlv_size_left)) <= 0) { DBG_88E("SSID is not presented or corrupted ret=%d\n", nssid); goto exit_proc; } else { if ((str_ptr[0] != PNO_TLV_TYPE_TIME) || (tlv_size_left <= 1)) { DBG_88E("%s scan duration corrupted field size %d\n", __FUNCTION__, tlv_size_left); goto exit_proc; } str_ptr++; pno_time = simple_strtoul(str_ptr, &str_ptr, 16); DHD_INFO(("%s: pno_time=%d\n", __FUNCTION__, pno_time)); if (str_ptr[0] != 0) { if ((str_ptr[0] != PNO_TLV_FREQ_REPEAT)) { DBG_88E("%s pno repeat : corrupted field\n", __FUNCTION__); goto exit_proc; } str_ptr++; pno_repeat = simple_strtoul(str_ptr, &str_ptr, 16); DHD_INFO(("%s :got pno_repeat=%d\n", __FUNCTION__, pno_repeat)); if (str_ptr[0] != PNO_TLV_FREQ_EXPO_MAX) { DBG_88E("%s FREQ_EXPO_MAX corrupted field size\n", __FUNCTION__); goto exit_proc; } str_ptr++; pno_freq_expo_max = simple_strtoul(str_ptr, &str_ptr, 16); DHD_INFO(("%s: pno_freq_expo_max=%d\n", __FUNCTION__, pno_freq_expo_max)); } } } else { DBG_88E("%s get wrong TLV command\n", __FUNCTION__); goto exit_proc; } res = dhd_dev_pno_set(dev, ssids_local, nssid, pno_time, pno_repeat, pno_freq_expo_max); exit_proc: return res; } #endif /* PNO_SUPPORT */ int rtw_android_cmdstr_to_num(char *cmdstr) { int cmd_num; for (cmd_num=0 ; cmd_num= KERNEL_VERSION(4, 0, 0)) if (!strncasecmp(cmdstr, android_wifi_cmd_str[cmd_num], strlen(android_wifi_cmd_str[cmd_num]))) #else if (0 == strnicmp(cmdstr, android_wifi_cmd_str[cmd_num], strlen(android_wifi_cmd_str[cmd_num]))) #endif 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) == true) { 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); struct mlme_priv *pmlmepriv = &padapter->mlmepriv; struct wlan_network *pcur_network = &pmlmepriv->cur_network; int bytes_written = 0; u16 link_speed = 0; link_speed = rtw_get_cur_max_rate(padapter)/10; bytes_written = snprintf(command, total_len, "LinkSpeed %d", link_speed); return bytes_written; } static int rtw_android_get_macaddr(struct net_device *net, char *command, int total_len) { struct adapter *adapter = (struct adapter *)rtw_netdev_priv(net); int bytes_written = 0; bytes_written = snprintf(command, total_len, "Macaddr = "MAC_FMT, MAC_ARG(net->dev_addr)); return bytes_written; } static int rtw_android_set_country(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 = _FAIL; ret = rtw_set_country(adapter, country_code); return (ret==_SUCCESS)?0:-1; } static int rtw_android_get_p2p_dev_addr(struct net_device *net, char *command, int total_len) { int bytes_written = 0; /* We use the same address as our HW MAC address */ memcpy(command, net->dev_addr, ETH_ALEN); bytes_written = ETH_ALEN; return bytes_written; } static int rtw_android_set_block(struct net_device *net, char *command, int total_len) { struct adapter *adapter = (struct adapter *)rtw_netdev_priv(net); char *block_value = command + strlen(android_wifi_cmd_str[ANDROID_WIFI_CMD_BLOCK]) + 1; wdev_to_priv(adapter->rtw_wdev)->block = (*block_value=='0')?false:true; return 0; } static int get_int_from_command(char *pcmd) { int i = 0; for ( i = 0; i < strlen( pcmd ); i++ ) { if ( pcmd[ i ] == '=' ) { /* Skip the '=' and space characters. */ i += 2; break; } } return ( rtw_atoi( pcmd + i ) ); } int rtw_android_priv_cmd(struct net_device *net, struct ifreq *ifr, int cmd) { int ret = 0; char *command = NULL; int cmd_num; int bytes_written = 0; android_wifi_priv_cmd priv_cmd; struct adapter* padapter = ( struct adapter * ) rtw_netdev_priv(net); #ifdef CONFIG_P2P struct wifi_display_info *pwfd_info; #endif rtw_lock_suspend(); if (!ifr->ifr_data) { ret = -EINVAL; goto exit; } if (copy_from_user(&priv_cmd, ifr->ifr_data, sizeof(android_wifi_priv_cmd))) { ret = -EFAULT; goto exit; } /* DBG_88E("%s priv_cmd.buf=%p priv_cmd.total_len=%d priv_cmd.used_len=%d\n",__func__,priv_cmd.buf,priv_cmd.total_len,priv_cmd.used_len); */ command = rtw_zmalloc(priv_cmd.total_len); if (!command) { DBG_88E("%s: failed to allocate memory\n", __FUNCTION__); ret = -ENOMEM; goto exit; } #if (LINUX_VERSION_CODE >= KERNEL_VERSION(5, 0, 0)) if (!access_ok(priv_cmd.buf, priv_cmd.total_len)) { #else if (!access_ok(VERIFY_READ, (const void __user *)priv_cmd.buf, priv_cmd.total_len)) { #endif DBG_88E("%s: failed to access memory\n", __FUNCTION__); ret = -EFAULT; goto exit; } if (copy_from_user(command, (const void __user *)priv_cmd.buf, priv_cmd.total_len)) { ret = -EFAULT; goto exit; } DBG_88E("%s: Android private cmd \"%s\" on %s\n" , __FUNCTION__, command, ifr->ifr_name); cmd_num = rtw_android_cmdstr_to_num(command); switch (cmd_num) { case ANDROID_WIFI_CMD_START: /* bytes_written = wl_android_wifi_on(net); */ 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" ,__FUNCTION__, command, ifr->ifr_name); ret = 0; goto exit; } 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: { uint band = *(command + strlen("SETBAND") + 1) - '0'; struct adapter* padapter = ( struct adapter * ) rtw_netdev_priv(net); if (padapter->chip_type == RTL8192D) padapter->setband = band; break; } case ANDROID_WIFI_CMD_GETBAND: break; case ANDROID_WIFI_CMD_COUNTRY: bytes_written = rtw_android_set_country(net, command, priv_cmd.total_len); break; #ifdef PNO_SUPPORT case ANDROID_WIFI_CMD_PNOSSIDCLR_SET: break; case ANDROID_WIFI_CMD_PNOSETUP_SET: break; case ANDROID_WIFI_CMD_PNOENABLE_SET: break; #endif case ANDROID_WIFI_CMD_P2P_DEV_ADDR: bytes_written = rtw_android_get_p2p_dev_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; case ANDROID_WIFI_CMD_SET_AP_WPS_P2P_IE: { int skip = strlen(android_wifi_cmd_str[ANDROID_WIFI_CMD_SET_AP_WPS_P2P_IE]) + 3; bytes_written = rtw_cfg80211_set_mgnt_wpsp2pie(net, command + skip, priv_cmd.total_len - skip, *(command + skip - 2) - '0'); break; } #ifdef CONFIG_P2P case ANDROID_WIFI_CMD_WFD_ENABLE: /* Commented by Albert 2012/07/24 */ /* We can enable the WFD function by using the following command: */ /* wpa_cli driver wfd-enable */ pwfd_info = &padapter->wfd_info; if ( padapter->wdinfo.driver_interface == DRIVER_CFG80211 ) pwfd_info->wfd_enable = true; break; case ANDROID_WIFI_CMD_WFD_DISABLE: /* Commented by Albert 2012/07/24 */ /* We can disable the WFD function by using the following command: */ /* wpa_cli driver wfd-disable */ pwfd_info = &padapter->wfd_info; if ( padapter->wdinfo.driver_interface == DRIVER_CFG80211 ) pwfd_info->wfd_enable = false; break; case ANDROID_WIFI_CMD_WFD_SET_TCPPORT: /* Commented by Albert 2012/07/24 */ /* We can set the tcp port number by using the following command: */ /* wpa_cli driver wfd-set-tcpport = 554 */ pwfd_info = &padapter->wfd_info; if ( padapter->wdinfo.driver_interface == DRIVER_CFG80211 ) pwfd_info->rtsp_ctrlport = (u16)get_int_from_command(priv_cmd.buf); break; case ANDROID_WIFI_CMD_WFD_SET_MAX_TPUT: break; case ANDROID_WIFI_CMD_WFD_SET_DEVTYPE: { /* Commented by Albert 2012/08/28 */ /* Specify the WFD device type ( WFD source/primary sink ) */ struct wifi_display_info *pwfd_info; struct adapter* padapter = ( struct adapter * ) rtw_netdev_priv(net); pwfd_info = &padapter->wfd_info; if (padapter->wdinfo.driver_interface == DRIVER_CFG80211) { pwfd_info->wfd_device_type = (u8)get_int_from_command(priv_cmd.buf); pwfd_info->wfd_device_type &= WFD_DEVINFO_DUAL; } break; } #endif 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", __FUNCTION__, bytes_written); bytes_written = priv_cmd.total_len; } else { bytes_written++; } priv_cmd.used_len = bytes_written; if (copy_to_user((void __user *)priv_cmd.buf, command, bytes_written)) { DBG_88E("%s: failed to copy data to user buffer\n", __FUNCTION__); ret = -EFAULT; } } else { ret = bytes_written; } exit: rtw_unlock_suspend(); if (command) { rtw_mfree(command, priv_cmd.total_len); } return ret; } /** * Functions for Android WiFi card detection */ #if defined(RTW_ENABLE_WIFI_CONTROL_FUNC) static int g_wifidev_registered = 0; static struct semaphore wifi_control_sem; static struct wifi_platform_data *wifi_control_data = NULL; static struct resource *wifi_irqres = NULL; static int wifi_add_dev(void); static void wifi_del_dev(void); int rtw_android_wifictrl_func_add(void) { int ret = 0; sema_init(&wifi_control_sem, 0); ret = wifi_add_dev(); if (ret) { DBG_88E("%s: platform_driver_register failed\n", __FUNCTION__); return ret; } g_wifidev_registered = 1; /* Waiting callback after platform_driver_register is done or exit with error */ if (down_timeout(&wifi_control_sem, msecs_to_jiffies(1000)) != 0) { ret = -EINVAL; DBG_88E("%s: platform_driver_register timeout\n", __FUNCTION__); } return ret; } void rtw_android_wifictrl_func_del(void) { if (g_wifidev_registered) { wifi_del_dev(); g_wifidev_registered = 0; } } void *wl_android_prealloc(int section, unsigned long size) { void *alloc_ptr = NULL; if (wifi_control_data && wifi_control_data->mem_prealloc) { alloc_ptr = wifi_control_data->mem_prealloc(section, size); if (alloc_ptr) { DBG_88E("success alloc section %d\n", section); if (size != 0L) memset(alloc_ptr, 0, size); return alloc_ptr; } } DBG_88E("can't alloc section %d\n", section); return NULL; } int wifi_get_irq_number(unsigned long *irq_flags_ptr) { if (wifi_irqres) { *irq_flags_ptr = wifi_irqres->flags & IRQF_TRIGGER_MASK; return (int)wifi_irqres->start; } #ifdef CUSTOM_OOB_GPIO_NUM return CUSTOM_OOB_GPIO_NUM; #else return -1; #endif } int wifi_set_power(int on, unsigned long msec) { DBG_88E("%s = %d\n", __FUNCTION__, on); if (wifi_control_data && wifi_control_data->set_power) { wifi_control_data->set_power(on); } if (msec) msleep(msec); return 0; } #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 35)) int wifi_get_mac_addr(unsigned char *buf) { DBG_88E("%s\n", __FUNCTION__); if (!buf) return -EINVAL; if (wifi_control_data && wifi_control_data->get_mac_addr) { return wifi_control_data->get_mac_addr(buf); } return -EOPNOTSUPP; } #endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 35)) */ #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 39)) || defined(COMPAT_KERNEL_RELEASE) void *wifi_get_country_code(char *ccode) { DBG_88E("%s\n", __FUNCTION__); if (!ccode) return NULL; if (wifi_control_data && wifi_control_data->get_country_code) { return wifi_control_data->get_country_code(ccode); } return NULL; } #endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 39)) */ static int wifi_set_carddetect(int on) { DBG_88E("%s = %d\n", __FUNCTION__, on); if (wifi_control_data && wifi_control_data->set_carddetect) { wifi_control_data->set_carddetect(on); } return 0; } static int wifi_probe(struct platform_device *pdev) { struct wifi_platform_data *wifi_ctrl = (struct wifi_platform_data *)(pdev->dev.platform_data); int wifi_wake_gpio = 0; DBG_88E("## %s\n", __FUNCTION__); wifi_irqres = platform_get_resource_byname(pdev, IORESOURCE_IRQ, "bcmdhd_wlan_irq"); if (wifi_irqres == NULL) wifi_irqres = platform_get_resource_byname(pdev, IORESOURCE_IRQ, "bcm4329_wlan_irq"); else wifi_wake_gpio = wifi_irqres->start; wifi_control_data = wifi_ctrl; wifi_set_power(1, 0); /* Power On */ wifi_set_carddetect(1); /* CardDetect (0->1) */ up(&wifi_control_sem); return 0; } static int wifi_remove(struct platform_device *pdev) { struct wifi_platform_data *wifi_ctrl = (struct wifi_platform_data *)(pdev->dev.platform_data); DBG_88E("## %s\n", __FUNCTION__); wifi_control_data = wifi_ctrl; wifi_set_power(0, 0); /* Power Off */ wifi_set_carddetect(0); /* CardDetect (1->0) */ up(&wifi_control_sem); return 0; } static int wifi_suspend(struct platform_device *pdev, pm_message_t state) { DBG_88E("##> %s\n", __FUNCTION__); #if (LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 39)) && defined(OOB_INTR_ONLY) bcmsdh_oob_intr_set(0); #endif return 0; } static int wifi_resume(struct platform_device *pdev) { DBG_88E("##> %s\n", __FUNCTION__); #if (LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 39)) && defined(OOB_INTR_ONLY) if (dhd_os_check_if_up(bcmsdh_get_drvdata())) bcmsdh_oob_intr_set(1); #endif return 0; } /* temporarily use these two */ static struct platform_driver wifi_device = { .probe = wifi_probe, .remove = wifi_remove, .suspend = wifi_suspend, .resume = wifi_resume, .driver = { .name = "bcmdhd_wlan", } }; static struct platform_driver wifi_device_legacy = { .probe = wifi_probe, .remove = wifi_remove, .suspend = wifi_suspend, .resume = wifi_resume, .driver = { .name = "bcm4329_wlan", } }; static int wifi_add_dev(void) { DBG_88E("## Calling platform_driver_register\n"); platform_driver_register(&wifi_device); platform_driver_register(&wifi_device_legacy); return 0; } static void wifi_del_dev(void) { DBG_88E("## Unregister platform_driver_register\n"); platform_driver_unregister(&wifi_device); platform_driver_unregister(&wifi_device_legacy); } #endif /* defined(RTW_ENABLE_WIFI_CONTROL_FUNC) */