diff options
Diffstat (limited to 'drivers/staging/rtl8712/os_intfs.c')
| -rw-r--r-- | drivers/staging/rtl8712/os_intfs.c | 464 |
1 files changed, 464 insertions, 0 deletions
diff --git a/drivers/staging/rtl8712/os_intfs.c b/drivers/staging/rtl8712/os_intfs.c new file mode 100644 index 0000000..3f38e8e --- /dev/null +++ b/drivers/staging/rtl8712/os_intfs.c @@ -0,0 +1,464 @@ +/****************************************************************************** + * 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/init.h> +#include <linux/kthread.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 vedio 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 = 0; + +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 uint loadparam(struct _adapter *padapter, struct net_device *pnetdev); +static int netdev_open(struct net_device *pnetdev); +static int netdev_close(struct net_device *pnetdev); + +static uint loadparam(struct _adapter *padapter, struct net_device *pnetdev) +{ + uint status = _SUCCESS; + 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; + return status; +} + +static int r871x_net_set_mac_address(struct net_device *pnetdev, void *p) +{ + struct _adapter *padapter = (struct _adapter *)_netdev_priv(pnetdev); + struct sockaddr *addr = p; + + if (padapter->bup == false) + memcpy(pnetdev->dev_addr, addr->sa_data, ETH_ALEN); + return 0; +} + +static struct net_device_stats *r871x_net_get_stats(struct net_device *pnetdev) +{ + struct _adapter *padapter = (struct _adapter *) _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 = (struct _adapter *) _netdev_priv(pnetdev); + padapter->pnetdev = pnetdev; + printk(KERN_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; + /*step 2.*/ + 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, + padapter->pnetdev->name); + if (IS_ERR(padapter->cmdThread) < 0) + return _FAIL; + return _SUCCESS; +} + +void r8712_stop_drv_threads(struct _adapter *padapter) +{ + /*Below is to termindate 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) +{ + _set_timer(&padapter->mlmepriv.sitesurveyctrl.sitesurvey_ctrl_timer, + 5000); + _set_timer(&padapter->mlmepriv.wdg_timer, 2000); +} + +static void stop_drv_timers(struct _adapter *padapter) +{ + _cancel_timer_ex(&padapter->mlmepriv.assoc_timer); + _cancel_timer_ex(&padapter->mlmepriv.sitesurveyctrl. + sitesurvey_ctrl_timer); + _cancel_timer_ex(&padapter->securitypriv.tkip_timer); + _cancel_timer_ex(&padapter->mlmepriv.scan_to_timer); + _cancel_timer_ex(&padapter->mlmepriv.dhcp_timer); + _cancel_timer_ex(&padapter->mlmepriv.wdg_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; + /*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)); + _init_timer(&(padapter->securitypriv.tkip_timer), padapter->pnetdev, + r8712_use_tkipkey_handler, padapter); + _r8712_init_sta_priv(&padapter->stapriv); + padapter->stapriv.padapter = padapter; + r8712_init_bcmc_stainfo(padapter); + r8712_init_pwrctrl_priv(padapter); + sema_init(&(padapter->pwrctrlpriv.pnp_pwr_mgnt_sema), 0); + 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 = (struct net_device *)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) + os_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); +} + +static int netdev_open(struct net_device *pnetdev) +{ + struct _adapter *padapter = (struct _adapter *)_netdev_priv(pnetdev); + + if (padapter->bup == false) { + 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); + return 0; +netdev_open_error: + padapter->bup = false; + netif_carrier_off(pnetdev); + netif_stop_queue(pnetdev); + return -1; +} + +static int netdev_close(struct net_device *pnetdev) +{ + struct _adapter *padapter = (struct _adapter *) _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); + /*Stop driver mlme relation timer*/ + stop_drv_timers(padapter); + return 0; +} + +#include "mlme_osdep.h" |
