| /****************************************************************************** |
| * os_intfs.c |
| * |
| * Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved. |
| * Linux device driver for RTL8192SU |
| * |
| * 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 |
| * |
| * Modifications for inclusion into the Linux staging tree are |
| * Copyright(c) 2010 Larry Finger. All rights reserved. |
| * |
| * Contact information: |
| * WLAN FAE <wlanfae@realtek.com>. |
| * Larry Finger <Larry.Finger@lwfinger.net> |
| * |
| ******************************************************************************/ |
| |
| #define _OS_INTFS_C_ |
| |
| #include <linux/module.h> |
| #include <linux/kthread.h> |
| #include <linux/firmware.h> |
| #include "osdep_service.h" |
| #include "drv_types.h" |
| #include "xmit_osdep.h" |
| #include "recv_osdep.h" |
| #include "rtl871x_ioctl.h" |
| #include "usb_osintf.h" |
| |
| MODULE_LICENSE("GPL"); |
| MODULE_DESCRIPTION("rtl871x wireless lan driver"); |
| MODULE_AUTHOR("Larry Finger"); |
| |
| static char ifname[IFNAMSIZ] = "wlan%d"; |
| |
| /* module param defaults */ |
| static int chip_version = RTL8712_2ndCUT; |
| static int rfintfs = HWPI; |
| static int lbkmode = RTL8712_AIR_TRX; |
| static int hci = RTL8712_USB; |
| static int ampdu_enable = 1;/*for enable tx_ampdu*/ |
| |
| /* The video_mode variable is for video mode.*/ |
| /* It may be specify when inserting module with video_mode=1 parameter.*/ |
| static int video_mode = 1; /* enable video mode*/ |
| |
| /*Ndis802_11Infrastructure; infra, ad-hoc, auto*/ |
| static int network_mode = Ndis802_11IBSS; |
| static int channel = 1;/*ad-hoc support requirement*/ |
| static int wireless_mode = WIRELESS_11BG; |
| static int vrtl_carrier_sense = AUTO_VCS; |
| static int vcs_type = RTS_CTS; |
| static int frag_thresh = 2346; |
| static int preamble = PREAMBLE_LONG;/*long, short, auto*/ |
| static int scan_mode = 1;/*active, passive*/ |
| static int adhoc_tx_pwr = 1; |
| static int soft_ap; |
| static int smart_ps = 1; |
| static int power_mgnt = PS_MODE_ACTIVE; |
| static int radio_enable = 1; |
| static int long_retry_lmt = 7; |
| static int short_retry_lmt = 7; |
| static int busy_thresh = 40; |
| static int ack_policy = NORMAL_ACK; |
| static int mp_mode; |
| static int software_encrypt; |
| static int software_decrypt; |
| |
| static int wmm_enable;/* default is set to disable the wmm.*/ |
| static int uapsd_enable; |
| static int uapsd_max_sp = NO_LIMIT; |
| static int uapsd_acbk_en; |
| static int uapsd_acbe_en; |
| static int uapsd_acvi_en; |
| static int uapsd_acvo_en; |
| |
| static int ht_enable = 1; |
| static int cbw40_enable = 1; |
| static int rf_config = RTL8712_RF_1T2R; /* 1T2R*/ |
| static int low_power; |
| /* mac address to use instead of the one stored in Efuse */ |
| char *r8712_initmac; |
| static char *initmac; |
| /* if wifi_test = 1, driver will disable the turbo mode and pass it to |
| * firmware private. |
| */ |
| static int wifi_test; |
| |
| module_param_string(ifname, ifname, sizeof(ifname), S_IRUGO | S_IWUSR); |
| module_param(wifi_test, int, 0644); |
| module_param(initmac, charp, 0644); |
| module_param(video_mode, int, 0644); |
| module_param(chip_version, int, 0644); |
| module_param(rfintfs, int, 0644); |
| module_param(lbkmode, int, 0644); |
| module_param(hci, int, 0644); |
| module_param(network_mode, int, 0644); |
| module_param(channel, int, 0644); |
| module_param(mp_mode, int, 0644); |
| module_param(wmm_enable, int, 0644); |
| module_param(vrtl_carrier_sense, int, 0644); |
| module_param(vcs_type, int, 0644); |
| module_param(busy_thresh, int, 0644); |
| module_param(ht_enable, int, 0644); |
| module_param(cbw40_enable, int, 0644); |
| module_param(ampdu_enable, int, 0644); |
| module_param(rf_config, int, 0644); |
| module_param(power_mgnt, int, 0644); |
| module_param(low_power, int, 0644); |
| |
| MODULE_PARM_DESC(ifname, " Net interface name, wlan%d=default"); |
| MODULE_PARM_DESC(initmac, "MAC-Address, default: use FUSE"); |
| |
| static int netdev_open(struct net_device *pnetdev); |
| static int netdev_close(struct net_device *pnetdev); |
| |
| static void loadparam(struct _adapter *padapter, struct net_device *pnetdev) |
| { |
| struct registry_priv *registry_par = &padapter->registrypriv; |
| |
| registry_par->chip_version = (u8)chip_version; |
| registry_par->rfintfs = (u8)rfintfs; |
| registry_par->lbkmode = (u8)lbkmode; |
| registry_par->hci = (u8)hci; |
| registry_par->network_mode = (u8)network_mode; |
| memcpy(registry_par->ssid.Ssid, "ANY", 3); |
| registry_par->ssid.SsidLength = 3; |
| registry_par->channel = (u8)channel; |
| registry_par->wireless_mode = (u8)wireless_mode; |
| registry_par->vrtl_carrier_sense = (u8)vrtl_carrier_sense; |
| registry_par->vcs_type = (u8)vcs_type; |
| registry_par->frag_thresh = (u16)frag_thresh; |
| registry_par->preamble = (u8)preamble; |
| registry_par->scan_mode = (u8)scan_mode; |
| registry_par->adhoc_tx_pwr = (u8)adhoc_tx_pwr; |
| registry_par->soft_ap = (u8)soft_ap; |
| registry_par->smart_ps = (u8)smart_ps; |
| registry_par->power_mgnt = (u8)power_mgnt; |
| registry_par->radio_enable = (u8)radio_enable; |
| registry_par->long_retry_lmt = (u8)long_retry_lmt; |
| registry_par->short_retry_lmt = (u8)short_retry_lmt; |
| registry_par->busy_thresh = (u16)busy_thresh; |
| registry_par->ack_policy = (u8)ack_policy; |
| registry_par->mp_mode = (u8)mp_mode; |
| registry_par->software_encrypt = (u8)software_encrypt; |
| registry_par->software_decrypt = (u8)software_decrypt; |
| /*UAPSD*/ |
| registry_par->wmm_enable = (u8)wmm_enable; |
| registry_par->uapsd_enable = (u8)uapsd_enable; |
| registry_par->uapsd_max_sp = (u8)uapsd_max_sp; |
| registry_par->uapsd_acbk_en = (u8)uapsd_acbk_en; |
| registry_par->uapsd_acbe_en = (u8)uapsd_acbe_en; |
| registry_par->uapsd_acvi_en = (u8)uapsd_acvi_en; |
| registry_par->uapsd_acvo_en = (u8)uapsd_acvo_en; |
| registry_par->ht_enable = (u8)ht_enable; |
| registry_par->cbw40_enable = (u8)cbw40_enable; |
| registry_par->ampdu_enable = (u8)ampdu_enable; |
| registry_par->rf_config = (u8)rf_config; |
| registry_par->low_power = (u8)low_power; |
| registry_par->wifi_test = (u8) wifi_test; |
| r8712_initmac = initmac; |
| } |
| |
| static int r871x_net_set_mac_address(struct net_device *pnetdev, void *p) |
| { |
| struct _adapter *padapter = netdev_priv(pnetdev); |
| struct sockaddr *addr = p; |
| |
| if (!padapter->bup) |
| ether_addr_copy(pnetdev->dev_addr, addr->sa_data); |
| return 0; |
| } |
| |
| static struct net_device_stats *r871x_net_get_stats(struct net_device *pnetdev) |
| { |
| struct _adapter *padapter = netdev_priv(pnetdev); |
| struct xmit_priv *pxmitpriv = &(padapter->xmitpriv); |
| struct recv_priv *precvpriv = &(padapter->recvpriv); |
| |
| padapter->stats.tx_packets = pxmitpriv->tx_pkts; |
| padapter->stats.rx_packets = precvpriv->rx_pkts; |
| padapter->stats.tx_dropped = pxmitpriv->tx_drop; |
| padapter->stats.rx_dropped = precvpriv->rx_drop; |
| padapter->stats.tx_bytes = pxmitpriv->tx_bytes; |
| padapter->stats.rx_bytes = precvpriv->rx_bytes; |
| return &padapter->stats; |
| } |
| |
| static const struct net_device_ops rtl8712_netdev_ops = { |
| .ndo_open = netdev_open, |
| .ndo_stop = netdev_close, |
| .ndo_start_xmit = r8712_xmit_entry, |
| .ndo_set_mac_address = r871x_net_set_mac_address, |
| .ndo_get_stats = r871x_net_get_stats, |
| .ndo_do_ioctl = r871x_ioctl, |
| }; |
| |
| struct net_device *r8712_init_netdev(void) |
| { |
| struct _adapter *padapter; |
| struct net_device *pnetdev; |
| |
| pnetdev = alloc_etherdev(sizeof(struct _adapter)); |
| if (!pnetdev) |
| return NULL; |
| if (dev_alloc_name(pnetdev, ifname) < 0) { |
| strcpy(ifname, "wlan%d"); |
| dev_alloc_name(pnetdev, ifname); |
| } |
| padapter = netdev_priv(pnetdev); |
| padapter->pnetdev = pnetdev; |
| pr_info("r8712u: register rtl8712_netdev_ops to netdev_ops\n"); |
| pnetdev->netdev_ops = &rtl8712_netdev_ops; |
| pnetdev->watchdog_timeo = HZ; /* 1 second timeout */ |
| pnetdev->wireless_handlers = (struct iw_handler_def *) |
| &r871x_handlers_def; |
| loadparam(padapter, pnetdev); |
| netif_carrier_off(pnetdev); |
| padapter->pid = 0; /* Initial the PID value used for HW PBC.*/ |
| return pnetdev; |
| } |
| |
| static u32 start_drv_threads(struct _adapter *padapter) |
| { |
| padapter->cmdThread = kthread_run(r8712_cmd_thread, padapter, "%s", |
| padapter->pnetdev->name); |
| if (IS_ERR(padapter->cmdThread)) |
| return _FAIL; |
| return _SUCCESS; |
| } |
| |
| void r8712_stop_drv_threads(struct _adapter *padapter) |
| { |
| /*Below is to terminate r8712_cmd_thread & event_thread...*/ |
| up(&padapter->cmdpriv.cmd_queue_sema); |
| if (padapter->cmdThread) |
| _down_sema(&padapter->cmdpriv.terminate_cmdthread_sema); |
| padapter->cmdpriv.cmd_seq = 1; |
| } |
| |
| static void start_drv_timers(struct _adapter *padapter) |
| { |
| mod_timer(&padapter->mlmepriv.sitesurveyctrl.sitesurvey_ctrl_timer, |
| jiffies + msecs_to_jiffies(5000)); |
| mod_timer(&padapter->mlmepriv.wdg_timer, |
| jiffies + msecs_to_jiffies(2000)); |
| } |
| |
| void r8712_stop_drv_timers(struct _adapter *padapter) |
| { |
| del_timer_sync(&padapter->mlmepriv.assoc_timer); |
| del_timer_sync(&padapter->securitypriv.tkip_timer); |
| del_timer_sync(&padapter->mlmepriv.scan_to_timer); |
| del_timer_sync(&padapter->mlmepriv.dhcp_timer); |
| del_timer_sync(&padapter->mlmepriv.wdg_timer); |
| del_timer_sync(&padapter->mlmepriv.sitesurveyctrl.sitesurvey_ctrl_timer); |
| } |
| |
| static u8 init_default_value(struct _adapter *padapter) |
| { |
| u8 ret = _SUCCESS; |
| struct registry_priv *pregistrypriv = &padapter->registrypriv; |
| struct xmit_priv *pxmitpriv = &padapter->xmitpriv; |
| struct mlme_priv *pmlmepriv = &padapter->mlmepriv; |
| struct security_priv *psecuritypriv = &padapter->securitypriv; |
| |
| /*xmit_priv*/ |
| pxmitpriv->vcs_setting = pregistrypriv->vrtl_carrier_sense; |
| pxmitpriv->vcs = pregistrypriv->vcs_type; |
| pxmitpriv->vcs_type = pregistrypriv->vcs_type; |
| pxmitpriv->rts_thresh = pregistrypriv->rts_thresh; |
| pxmitpriv->frag_len = pregistrypriv->frag_thresh; |
| /* mlme_priv */ |
| /* Maybe someday we should rename this variable to "active_mode"(Jeff)*/ |
| pmlmepriv->passive_mode = 1; /* 1: active, 0: passive. */ |
| /*ht_priv*/ |
| { |
| int i; |
| struct ht_priv *phtpriv = &pmlmepriv->htpriv; |
| |
| phtpriv->ampdu_enable = false;/*set to disabled*/ |
| for (i = 0; i < 16; i++) |
| phtpriv->baddbareq_issued[i] = false; |
| } |
| /*security_priv*/ |
| psecuritypriv->sw_encrypt = pregistrypriv->software_encrypt; |
| psecuritypriv->sw_decrypt = pregistrypriv->software_decrypt; |
| psecuritypriv->binstallGrpkey = _FAIL; |
| /*pwrctrl_priv*/ |
| /*registry_priv*/ |
| r8712_init_registrypriv_dev_network(padapter); |
| r8712_update_registrypriv_dev_network(padapter); |
| /*misc.*/ |
| return ret; |
| } |
| |
| u8 r8712_init_drv_sw(struct _adapter *padapter) |
| { |
| if ((r8712_init_cmd_priv(&padapter->cmdpriv)) == _FAIL) |
| return _FAIL; |
| padapter->cmdpriv.padapter = padapter; |
| if ((r8712_init_evt_priv(&padapter->evtpriv)) == _FAIL) |
| return _FAIL; |
| if (r8712_init_mlme_priv(padapter) == _FAIL) |
| return _FAIL; |
| _r8712_init_xmit_priv(&padapter->xmitpriv, padapter); |
| _r8712_init_recv_priv(&padapter->recvpriv, padapter); |
| memset((unsigned char *)&padapter->securitypriv, 0, |
| sizeof(struct security_priv)); |
| setup_timer(&padapter->securitypriv.tkip_timer, |
| r8712_use_tkipkey_handler, (unsigned long)padapter); |
| _r8712_init_sta_priv(&padapter->stapriv); |
| padapter->stapriv.padapter = padapter; |
| r8712_init_bcmc_stainfo(padapter); |
| r8712_init_pwrctrl_priv(padapter); |
| mp871xinit(padapter); |
| if (init_default_value(padapter) != _SUCCESS) |
| return _FAIL; |
| r8712_InitSwLeds(padapter); |
| return _SUCCESS; |
| } |
| |
| u8 r8712_free_drv_sw(struct _adapter *padapter) |
| { |
| struct net_device *pnetdev = padapter->pnetdev; |
| |
| r8712_free_cmd_priv(&padapter->cmdpriv); |
| r8712_free_evt_priv(&padapter->evtpriv); |
| r8712_DeInitSwLeds(padapter); |
| r8712_free_mlme_priv(&padapter->mlmepriv); |
| r8712_free_io_queue(padapter); |
| _free_xmit_priv(&padapter->xmitpriv); |
| _r8712_free_sta_priv(&padapter->stapriv); |
| _r8712_free_recv_priv(&padapter->recvpriv); |
| mp871xdeinit(padapter); |
| if (pnetdev) |
| free_netdev(pnetdev); |
| return _SUCCESS; |
| } |
| |
| |
| static void enable_video_mode(struct _adapter *padapter, int cbw40_value) |
| { |
| /* bit 8: |
| * 1 -> enable video mode to 96B AP |
| * 0 -> disable video mode to 96B AP |
| * bit 9: |
| * 1 -> enable 40MHz mode |
| * 0 -> disable 40MHz mode |
| * bit 10: |
| * 1 -> enable STBC |
| * 0 -> disable STBC |
| */ |
| u32 intcmd = 0xf4000500; /* enable bit8, bit10*/ |
| |
| if (cbw40_value) { |
| /* if the driver supports the 40M bandwidth, |
| * we can enable the bit 9. |
| */ |
| intcmd |= 0x200; |
| } |
| r8712_fw_cmd(padapter, intcmd); |
| } |
| |
| /** |
| * |
| * This function intends to handle the activation of an interface |
| * i.e. when it is brought Up/Active from a Down state. |
| * |
| */ |
| static int netdev_open(struct net_device *pnetdev) |
| { |
| struct _adapter *padapter = netdev_priv(pnetdev); |
| |
| mutex_lock(&padapter->mutex_start); |
| if (!padapter->bup) { |
| padapter->bDriverStopped = false; |
| padapter->bSurpriseRemoved = false; |
| padapter->bup = true; |
| if (rtl871x_hal_init(padapter) != _SUCCESS) |
| goto netdev_open_error; |
| if (r8712_initmac == NULL) |
| /* Use the mac address stored in the Efuse */ |
| memcpy(pnetdev->dev_addr, |
| padapter->eeprompriv.mac_addr, ETH_ALEN); |
| else { |
| /* We have to inform f/w to use user-supplied MAC |
| * address. |
| */ |
| msleep(200); |
| r8712_setMacAddr_cmd(padapter, (u8 *)pnetdev->dev_addr); |
| /* |
| * The "myid" function will get the wifi mac address |
| * from eeprompriv structure instead of netdev |
| * structure. So, we have to overwrite the mac_addr |
| * stored in the eeprompriv structure. In this case, |
| * the real mac address won't be used anymore. So that, |
| * the eeprompriv.mac_addr should store the mac which |
| * users specify. |
| */ |
| memcpy(padapter->eeprompriv.mac_addr, |
| pnetdev->dev_addr, ETH_ALEN); |
| } |
| if (start_drv_threads(padapter) != _SUCCESS) |
| goto netdev_open_error; |
| if (padapter->dvobjpriv.inirp_init == NULL) |
| goto netdev_open_error; |
| else |
| padapter->dvobjpriv.inirp_init(padapter); |
| r8712_set_ps_mode(padapter, padapter->registrypriv.power_mgnt, |
| padapter->registrypriv.smart_ps); |
| } |
| if (!netif_queue_stopped(pnetdev)) |
| netif_start_queue(pnetdev); |
| else |
| netif_wake_queue(pnetdev); |
| |
| if (video_mode) |
| enable_video_mode(padapter, cbw40_enable); |
| /* start driver mlme relation timer */ |
| start_drv_timers(padapter); |
| padapter->ledpriv.LedControlHandler(padapter, LED_CTL_NO_LINK); |
| mutex_unlock(&padapter->mutex_start); |
| return 0; |
| netdev_open_error: |
| padapter->bup = false; |
| netif_carrier_off(pnetdev); |
| netif_stop_queue(pnetdev); |
| mutex_unlock(&padapter->mutex_start); |
| return -1; |
| } |
| |
| /** |
| * |
| * This function intends to handle the shutdown of an interface |
| * i.e. when it is brought Down from an Up/Active state. |
| * |
| */ |
| static int netdev_close(struct net_device *pnetdev) |
| { |
| struct _adapter *padapter = netdev_priv(pnetdev); |
| |
| /* Close LED*/ |
| padapter->ledpriv.LedControlHandler(padapter, LED_CTL_POWER_OFF); |
| msleep(200); |
| |
| /*s1.*/ |
| if (pnetdev) { |
| if (!netif_queue_stopped(pnetdev)) |
| netif_stop_queue(pnetdev); |
| } |
| /*s2.*/ |
| /*s2-1. issue disassoc_cmd to fw*/ |
| r8712_disassoc_cmd(padapter); |
| /*s2-2. indicate disconnect to os*/ |
| r8712_ind_disconnect(padapter); |
| /*s2-3.*/ |
| r8712_free_assoc_resources(padapter); |
| /*s2-4.*/ |
| r8712_free_network_queue(padapter); |
| return 0; |
| } |
| |
| #include "mlme_osdep.h" |