Add the rt linux 4.1.3-rt3 as base
[kvmfornfv.git] / kernel / drivers / staging / rtl8712 / os_intfs.c
diff --git a/kernel/drivers/staging/rtl8712/os_intfs.c b/kernel/drivers/staging/rtl8712/os_intfs.c
new file mode 100644 (file)
index 0000000..6e776e5
--- /dev/null
@@ -0,0 +1,478 @@
+/******************************************************************************
+ * 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 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 = 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 = 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;
+       /*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, "%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 = (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)
+               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 == 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);
+       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"