root/drivers/staging/rtl8188eu/os_dep/os_intfs.c

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DEFINITIONS

This source file includes following definitions.
  1. loadparam
  2. rtw_net_set_mac_address
  3. rtw_net_get_stats
  4. rtw_classify8021d
  5. rtw_select_queue
  6. rtw_recv_select_queue
  7. rtw_init_netdev_name
  8. rtw_init_netdev
  9. rtw_start_drv_threads
  10. rtw_stop_drv_threads
  11. rtw_init_default_value
  12. rtw_reset_drv_sw
  13. rtw_init_drv_sw
  14. rtw_cancel_all_timer
  15. rtw_free_drv_sw
  16. _netdev_open
  17. netdev_open
  18. ips_netdrv_open
  19. rtw_ips_pwr_up
  20. rtw_ips_pwr_down
  21. rtw_ips_dev_unload
  22. netdev_close

   1 // SPDX-License-Identifier: GPL-2.0
   2 /******************************************************************************
   3  *
   4  * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
   5  *
   6  ******************************************************************************/
   7 #define _OS_INTFS_C_
   8 
   9 #include <osdep_service.h>
  10 #include <osdep_intf.h>
  11 #include <drv_types.h>
  12 #include <xmit_osdep.h>
  13 #include <recv_osdep.h>
  14 #include <hal_intf.h>
  15 #include <rtw_ioctl.h>
  16 #include <rtl8188e_hal.h>
  17 
  18 MODULE_LICENSE("GPL");
  19 MODULE_DESCRIPTION("Realtek Wireless Lan Driver");
  20 MODULE_AUTHOR("Realtek Semiconductor Corp.");
  21 MODULE_VERSION(DRIVERVERSION);
  22 MODULE_FIRMWARE("rtlwifi/rtl8188eufw.bin");
  23 
  24 #define RTW_NOTCH_FILTER 0 /* 0:Disable, 1:Enable, */
  25 
  26 /* module param defaults */
  27 /* Ndis802_11Infrastructure; infra, ad-hoc, auto */
  28 static int rtw_channel = 1;/* ad-hoc support requirement */
  29 static int rtw_wireless_mode = WIRELESS_11BG_24N;
  30 static int rtw_vrtl_carrier_sense = AUTO_VCS;
  31 static int rtw_vcs_type = RTS_CTS;/*  */
  32 static int rtw_rts_thresh = 2347;/*  */
  33 static int rtw_frag_thresh = 2346;/*  */
  34 static int rtw_preamble = PREAMBLE_LONG;/* long, short, auto */
  35 static int rtw_power_mgnt = 1;
  36 static int rtw_ips_mode = IPS_NORMAL;
  37 
  38 static int rtw_smart_ps = 2;
  39 
  40 module_param(rtw_ips_mode, int, 0644);
  41 MODULE_PARM_DESC(rtw_ips_mode, "The default IPS mode");
  42 
  43 static int rtw_debug = 1;
  44 
  45 static int rtw_acm_method;/*  0:By SW 1:By HW. */
  46 
  47 static int rtw_wmm_enable = 1;/*  default is set to enable the wmm. */
  48 static int rtw_uapsd_enable;
  49 
  50 static int rtw_ht_enable = 1;
  51 /* 0 :disable, bit(0): enable 2.4g, bit(1): enable 5g */
  52 static int rtw_cbw40_enable = 3;
  53 static int rtw_ampdu_enable = 1;/* for enable tx_ampdu */
  54 
  55 /* 0: disable
  56  * bit(0):enable 2.4g
  57  * bit(1):enable 5g
  58  * default is set to enable 2.4GHZ for IOT issue with bufflao's AP at 5GHZ
  59  */
  60 static int rtw_rx_stbc = 1;
  61 static int rtw_ampdu_amsdu;/*  0: disabled, 1:enabled, 2:auto */
  62 
  63 static int rtw_wifi_spec;
  64 static int rtw_channel_plan = RT_CHANNEL_DOMAIN_MAX;
  65 
  66 static int rtw_antdiv_cfg = 2; /*  0:OFF , 1:ON, 2:decide by Efuse config */
  67 
  68 /* 0: decide by efuse
  69  * 1: for 88EE, 1Tx and 1RxCG are diversity (2 Ant with SPDT)
  70  * 2: for 88EE, 1Tx and 2Rx are diversity (2 Ant, Tx and RxCG are both on aux
  71  *    port, RxCS is on main port)
  72  * 3: for 88EE, 1Tx and 1RxCG are fixed (1Ant, Tx and RxCG are both on aux port)
  73  */
  74 static int rtw_antdiv_type;
  75 
  76 static int rtw_enusbss;/* 0:disable, 1:enable */
  77 
  78 static int rtw_hwpdn_mode = 2;/* 0:disable, 1:enable, 2: by EFUSE config */
  79 
  80 int rtw_mc2u_disable;
  81 
  82 static int rtw_80211d;
  83 
  84 static char *ifname = "wlan%d";
  85 module_param(ifname, charp, 0644);
  86 MODULE_PARM_DESC(ifname, "The default name to allocate for first interface");
  87 
  88 static char *if2name = "wlan%d";
  89 module_param(if2name, charp, 0644);
  90 MODULE_PARM_DESC(if2name, "The default name to allocate for second interface");
  91 
  92 /* temp mac address if users want to use instead of the mac address in Efuse */
  93 char *rtw_initmac;
  94 
  95 module_param(rtw_initmac, charp, 0644);
  96 module_param(rtw_channel_plan, int, 0644);
  97 module_param(rtw_channel, int, 0644);
  98 module_param(rtw_wmm_enable, int, 0644);
  99 module_param(rtw_vrtl_carrier_sense, int, 0644);
 100 module_param(rtw_vcs_type, int, 0644);
 101 module_param(rtw_ht_enable, int, 0644);
 102 module_param(rtw_cbw40_enable, int, 0644);
 103 module_param(rtw_ampdu_enable, int, 0644);
 104 module_param(rtw_rx_stbc, int, 0644);
 105 module_param(rtw_ampdu_amsdu, int, 0644);
 106 module_param(rtw_power_mgnt, int, 0644);
 107 module_param(rtw_smart_ps, int, 0644);
 108 module_param(rtw_wifi_spec, int, 0644);
 109 module_param(rtw_antdiv_cfg, int, 0644);
 110 module_param(rtw_antdiv_type, int, 0644);
 111 module_param(rtw_enusbss, int, 0644);
 112 module_param(rtw_hwpdn_mode, int, 0644);
 113 
 114 static uint rtw_max_roaming_times = 2;
 115 module_param(rtw_max_roaming_times, uint, 0644);
 116 MODULE_PARM_DESC(rtw_max_roaming_times, "The max roaming times to try");
 117 
 118 static int rtw_fw_iol = 1;/*  0:Disable, 1:enable, 2:by usb speed */
 119 module_param(rtw_fw_iol, int, 0644);
 120 MODULE_PARM_DESC(rtw_fw_iol, "FW IOL");
 121 
 122 module_param(rtw_mc2u_disable, int, 0644);
 123 
 124 module_param(rtw_80211d, int, 0644);
 125 MODULE_PARM_DESC(rtw_80211d, "Enable 802.11d mechanism");
 126 
 127 static uint rtw_notch_filter = RTW_NOTCH_FILTER;
 128 module_param(rtw_notch_filter, uint, 0644);
 129 MODULE_PARM_DESC(rtw_notch_filter, "0:Disable, 1:Enable, 2:Enable only for P2P");
 130 module_param_named(debug, rtw_debug, int, 0444);
 131 MODULE_PARM_DESC(debug, "Set debug level (1-9) (default 1)");
 132 
 133 static bool rtw_monitor_enable;
 134 module_param_named(monitor_enable, rtw_monitor_enable, bool, 0444);
 135 MODULE_PARM_DESC(monitor_enable, "Enable monitor interface (default: false)");
 136 
 137 static int netdev_close(struct net_device *pnetdev);
 138 
 139 static void loadparam(struct adapter *padapter, struct net_device *pnetdev)
 140 {
 141         struct registry_priv *registry_par = &padapter->registrypriv;
 142 
 143         GlobalDebugLevel = rtw_debug;
 144 
 145         memcpy(registry_par->ssid.ssid, "ANY", 3);
 146         registry_par->ssid.ssid_length = 3;
 147 
 148         registry_par->channel = (u8)rtw_channel;
 149         registry_par->wireless_mode = (u8)rtw_wireless_mode;
 150         registry_par->vrtl_carrier_sense = (u8)rtw_vrtl_carrier_sense;
 151         registry_par->vcs_type = (u8)rtw_vcs_type;
 152         registry_par->rts_thresh = (u16)rtw_rts_thresh;
 153         registry_par->frag_thresh = (u16)rtw_frag_thresh;
 154         registry_par->preamble = (u8)rtw_preamble;
 155         registry_par->smart_ps =  (u8)rtw_smart_ps;
 156         registry_par->power_mgnt = (u8)rtw_power_mgnt;
 157         registry_par->ips_mode = (u8)rtw_ips_mode;
 158         registry_par->mp_mode = 0;
 159         registry_par->acm_method = (u8)rtw_acm_method;
 160 
 161          /* UAPSD */
 162         registry_par->wmm_enable = (u8)rtw_wmm_enable;
 163         registry_par->uapsd_enable = (u8)rtw_uapsd_enable;
 164 
 165         registry_par->ht_enable = (u8)rtw_ht_enable;
 166         registry_par->cbw40_enable = (u8)rtw_cbw40_enable;
 167         registry_par->ampdu_enable = (u8)rtw_ampdu_enable;
 168         registry_par->rx_stbc = (u8)rtw_rx_stbc;
 169         registry_par->ampdu_amsdu = (u8)rtw_ampdu_amsdu;
 170         registry_par->wifi_spec = (u8)rtw_wifi_spec;
 171         registry_par->channel_plan = (u8)rtw_channel_plan;
 172         registry_par->accept_addba_req = true;
 173         registry_par->antdiv_cfg = (u8)rtw_antdiv_cfg;
 174         registry_par->antdiv_type = (u8)rtw_antdiv_type;
 175         registry_par->hwpdn_mode = (u8)rtw_hwpdn_mode;
 176 
 177         registry_par->max_roaming_times = (u8)rtw_max_roaming_times;
 178 
 179         registry_par->fw_iol = rtw_fw_iol;
 180 
 181         registry_par->enable80211d = (u8)rtw_80211d;
 182         snprintf(registry_par->ifname, 16, "%s", ifname);
 183         snprintf(registry_par->if2name, 16, "%s", if2name);
 184         registry_par->notch_filter = (u8)rtw_notch_filter;
 185         registry_par->monitor_enable = rtw_monitor_enable;
 186 }
 187 
 188 static int rtw_net_set_mac_address(struct net_device *pnetdev, void *p)
 189 {
 190         struct adapter *padapter = (struct adapter *)rtw_netdev_priv(pnetdev);
 191         struct sockaddr *addr = p;
 192 
 193         if (!padapter->bup)
 194                 memcpy(padapter->eeprompriv.mac_addr, addr->sa_data, ETH_ALEN);
 195 
 196         return 0;
 197 }
 198 
 199 static struct net_device_stats *rtw_net_get_stats(struct net_device *pnetdev)
 200 {
 201         struct adapter *padapter = (struct adapter *)rtw_netdev_priv(pnetdev);
 202         struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
 203         struct recv_priv *precvpriv = &padapter->recvpriv;
 204 
 205         padapter->stats.tx_packets = pxmitpriv->tx_pkts;
 206         padapter->stats.rx_packets = precvpriv->rx_pkts;
 207         padapter->stats.tx_dropped = pxmitpriv->tx_drop;
 208         padapter->stats.rx_dropped = precvpriv->rx_drop;
 209         padapter->stats.tx_bytes = pxmitpriv->tx_bytes;
 210         padapter->stats.rx_bytes = precvpriv->rx_bytes;
 211         return &padapter->stats;
 212 }
 213 
 214 /*
 215  * AC to queue mapping
 216  *
 217  * AC_VO -> queue 0
 218  * AC_VI -> queue 1
 219  * AC_BE -> queue 2
 220  * AC_BK -> queue 3
 221  */
 222 static const u16 rtw_1d_to_queue[8] = { 2, 3, 3, 2, 1, 1, 0, 0 };
 223 
 224 /* Given a data frame determine the 802.1p/1d tag to use. */
 225 static unsigned int rtw_classify8021d(struct sk_buff *skb)
 226 {
 227         unsigned int dscp;
 228 
 229         /* skb->priority values from 256->263 are magic values to
 230          * directly indicate a specific 802.1d priority.  This is used
 231          * to allow 802.1d priority to be passed directly in from VLAN
 232          * tags, etc.
 233          */
 234         if (skb->priority >= 256 && skb->priority <= 263)
 235                 return skb->priority - 256;
 236 
 237         switch (skb->protocol) {
 238         case htons(ETH_P_IP):
 239                 dscp = ip_hdr(skb)->tos & 0xfc;
 240                 break;
 241         default:
 242                 return 0;
 243         }
 244 
 245         return dscp >> 5;
 246 }
 247 
 248 static u16 rtw_select_queue(struct net_device *dev, struct sk_buff *skb,
 249                             struct net_device *sb_dev)
 250 {
 251         struct adapter *padapter = rtw_netdev_priv(dev);
 252         struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
 253 
 254         skb->priority = rtw_classify8021d(skb);
 255 
 256         if (pmlmepriv->acm_mask != 0)
 257                 skb->priority = qos_acm(pmlmepriv->acm_mask, skb->priority);
 258 
 259         return rtw_1d_to_queue[skb->priority];
 260 }
 261 
 262 u16 rtw_recv_select_queue(struct sk_buff *skb)
 263 {
 264         struct iphdr *piphdr;
 265         unsigned int dscp;
 266         __be16 eth_type;
 267         u32 priority;
 268         u8 *pdata = skb->data;
 269 
 270         memcpy(&eth_type, pdata + (ETH_ALEN << 1), 2);
 271 
 272         switch (eth_type) {
 273         case htons(ETH_P_IP):
 274                 piphdr = (struct iphdr *)(pdata + ETH_HLEN);
 275                 dscp = piphdr->tos & 0xfc;
 276                 priority = dscp >> 5;
 277                 break;
 278         default:
 279                 priority = 0;
 280         }
 281 
 282         return rtw_1d_to_queue[priority];
 283 }
 284 
 285 static const struct net_device_ops rtw_netdev_ops = {
 286         .ndo_open = netdev_open,
 287         .ndo_stop = netdev_close,
 288         .ndo_start_xmit = rtw_xmit_entry,
 289         .ndo_select_queue = rtw_select_queue,
 290         .ndo_set_mac_address = rtw_net_set_mac_address,
 291         .ndo_get_stats = rtw_net_get_stats,
 292         .ndo_do_ioctl = rtw_ioctl,
 293 };
 294 
 295 int rtw_init_netdev_name(struct net_device *pnetdev, const char *ifname)
 296 {
 297         if (dev_alloc_name(pnetdev, ifname) < 0)
 298                 RT_TRACE(_module_os_intfs_c_, _drv_err_, ("dev_alloc_name, fail!\n"));
 299 
 300         netif_carrier_off(pnetdev);
 301         return 0;
 302 }
 303 
 304 static const struct device_type wlan_type = {
 305         .name = "wlan",
 306 };
 307 
 308 struct net_device *rtw_init_netdev(struct adapter *old_padapter)
 309 {
 310         struct adapter *padapter;
 311         struct net_device *pnetdev = NULL;
 312 
 313         RT_TRACE(_module_os_intfs_c_, _drv_info_, ("+init_net_dev\n"));
 314 
 315         if (old_padapter)
 316                 pnetdev = rtw_alloc_etherdev_with_old_priv((void *)old_padapter);
 317 
 318         if (!pnetdev)
 319                 return NULL;
 320 
 321         pnetdev->dev.type = &wlan_type;
 322         padapter = rtw_netdev_priv(pnetdev);
 323         padapter->pnetdev = pnetdev;
 324         DBG_88E("register rtw_netdev_ops to netdev_ops\n");
 325         pnetdev->netdev_ops = &rtw_netdev_ops;
 326         pnetdev->watchdog_timeo = HZ * 3; /* 3 second timeout */
 327         pnetdev->wireless_handlers = (struct iw_handler_def *)&rtw_handlers_def;
 328 
 329         loadparam(padapter, pnetdev);
 330 
 331         return pnetdev;
 332 }
 333 
 334 static int rtw_start_drv_threads(struct adapter *padapter)
 335 {
 336         int err = 0;
 337 
 338         RT_TRACE(_module_os_intfs_c_, _drv_info_, ("+rtw_start_drv_threads\n"));
 339 
 340         padapter->cmdThread = kthread_run(rtw_cmd_thread, padapter,
 341                                           "RTW_CMD_THREAD");
 342         if (IS_ERR(padapter->cmdThread))
 343                 err = PTR_ERR(padapter->cmdThread);
 344         else
 345                 /* wait for cmd_thread to run */
 346                 wait_for_completion_interruptible(&padapter->cmdpriv.terminate_cmdthread_comp);
 347 
 348         return err;
 349 }
 350 
 351 void rtw_stop_drv_threads(struct adapter *padapter)
 352 {
 353         RT_TRACE(_module_os_intfs_c_, _drv_info_, ("+rtw_stop_drv_threads\n"));
 354 
 355         /* Below is to terminate rtw_cmd_thread & event_thread... */
 356         complete(&padapter->cmdpriv.cmd_queue_comp);
 357         if (padapter->cmdThread)
 358                 wait_for_completion_interruptible(&padapter->cmdpriv.terminate_cmdthread_comp);
 359 }
 360 
 361 static u8 rtw_init_default_value(struct adapter *padapter)
 362 {
 363         struct registry_priv *pregistrypriv = &padapter->registrypriv;
 364         struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
 365         struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
 366         struct security_priv *psecuritypriv = &padapter->securitypriv;
 367 
 368         /* xmit_priv */
 369         pxmitpriv->vcs_setting = pregistrypriv->vrtl_carrier_sense;
 370         pxmitpriv->vcs = pregistrypriv->vcs_type;
 371         pxmitpriv->vcs_type = pregistrypriv->vcs_type;
 372         pxmitpriv->frag_len = pregistrypriv->frag_thresh;
 373 
 374         /* mlme_priv */
 375         pmlmepriv->scan_interval = SCAN_INTERVAL;/*  30*2 sec = 60sec */
 376         pmlmepriv->scan_mode = SCAN_ACTIVE;
 377 
 378         /* ht_priv */
 379         pmlmepriv->htpriv.ampdu_enable = false;/* set to disabled */
 380 
 381         /* security_priv */
 382         psecuritypriv->binstallGrpkey = _FAIL;
 383         psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_Open;
 384         psecuritypriv->dot11PrivacyAlgrthm = _NO_PRIVACY_;
 385         psecuritypriv->dot11PrivacyKeyIndex = 0;
 386         psecuritypriv->dot118021XGrpPrivacy = _NO_PRIVACY_;
 387         psecuritypriv->dot118021XGrpKeyid = 1;
 388         psecuritypriv->ndisauthtype = Ndis802_11AuthModeOpen;
 389         psecuritypriv->ndisencryptstatus = Ndis802_11WEPDisabled;
 390 
 391         /* registry_priv */
 392         rtw_init_registrypriv_dev_network(padapter);
 393         rtw_update_registrypriv_dev_network(padapter);
 394 
 395         /* hal_priv */
 396         rtw_hal_def_value_init(padapter);
 397 
 398         /* misc. */
 399         padapter->bReadPortCancel = false;
 400         padapter->bWritePortCancel = false;
 401         return _SUCCESS;
 402 }
 403 
 404 u8 rtw_reset_drv_sw(struct adapter *padapter)
 405 {
 406         struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
 407         struct pwrctrl_priv *pwrctrlpriv = &padapter->pwrctrlpriv;
 408 
 409         /* hal_priv */
 410         rtw_hal_def_value_init(padapter);
 411         padapter->bReadPortCancel = false;
 412         padapter->bWritePortCancel = false;
 413         pmlmepriv->scan_interval = SCAN_INTERVAL;/*  30*2 sec = 60sec */
 414 
 415         padapter->xmitpriv.tx_pkts = 0;
 416         padapter->recvpriv.rx_pkts = 0;
 417 
 418         pmlmepriv->LinkDetectInfo.bBusyTraffic = false;
 419 
 420         _clr_fwstate_(pmlmepriv, _FW_UNDER_SURVEY | _FW_UNDER_LINKING);
 421         rtw_hal_sreset_init(padapter);
 422         pwrctrlpriv->pwr_state_check_cnts = 0;
 423 
 424         /* mlmeextpriv */
 425         padapter->mlmeextpriv.sitesurvey_res.state = SCAN_DISABLE;
 426 
 427         rtw_set_signal_stat_timer(&padapter->recvpriv);
 428 
 429         return _SUCCESS;
 430 }
 431 
 432 u8 rtw_init_drv_sw(struct adapter *padapter)
 433 {
 434         u8 ret8 = _SUCCESS;
 435 
 436         RT_TRACE(_module_os_intfs_c_, _drv_info_, ("+rtw_init_drv_sw\n"));
 437 
 438         if ((rtw_init_cmd_priv(&padapter->cmdpriv)) == _FAIL) {
 439                 RT_TRACE(_module_os_intfs_c_, _drv_err_, ("\n Can't init cmd_priv\n"));
 440                 ret8 = _FAIL;
 441                 goto exit;
 442         }
 443 
 444         padapter->cmdpriv.padapter = padapter;
 445 
 446         if (rtw_init_mlme_priv(padapter) == _FAIL) {
 447                 RT_TRACE(_module_os_intfs_c_, _drv_err_, ("\n Can't init mlme_priv\n"));
 448                 ret8 = _FAIL;
 449                 goto exit;
 450         }
 451 
 452         if (init_mlme_ext_priv(padapter) == _FAIL) {
 453                 RT_TRACE(_module_os_intfs_c_, _drv_err_, ("\n Can't init mlme_ext_priv\n"));
 454                 ret8 = _FAIL;
 455                 goto exit;
 456         }
 457 
 458         if (_rtw_init_xmit_priv(&padapter->xmitpriv, padapter) == _FAIL) {
 459                 DBG_88E("Can't _rtw_init_xmit_priv\n");
 460                 ret8 = _FAIL;
 461                 goto exit;
 462         }
 463 
 464         if (_rtw_init_recv_priv(&padapter->recvpriv, padapter) == _FAIL) {
 465                 DBG_88E("Can't _rtw_init_recv_priv\n");
 466                 ret8 = _FAIL;
 467                 goto exit;
 468         }
 469 
 470         if (_rtw_init_sta_priv(&padapter->stapriv) == _FAIL) {
 471                 DBG_88E("Can't _rtw_init_sta_priv\n");
 472                 ret8 = _FAIL;
 473                 goto exit;
 474         }
 475 
 476         padapter->stapriv.padapter = padapter;
 477 
 478         rtw_init_bcmc_stainfo(padapter);
 479 
 480         rtw_init_pwrctrl_priv(padapter);
 481 
 482         ret8 = rtw_init_default_value(padapter);
 483 
 484         rtw_hal_dm_init(padapter);
 485         rtw_hal_sw_led_init(padapter);
 486 
 487         rtw_hal_sreset_init(padapter);
 488 
 489 exit:
 490         RT_TRACE(_module_os_intfs_c_, _drv_info_, ("-rtw_init_drv_sw\n"));
 491 
 492         return ret8;
 493 }
 494 
 495 void rtw_cancel_all_timer(struct adapter *padapter)
 496 {
 497         RT_TRACE(_module_os_intfs_c_, _drv_info_, ("+rtw_cancel_all_timer\n"));
 498 
 499         del_timer_sync(&padapter->mlmepriv.assoc_timer);
 500         RT_TRACE(_module_os_intfs_c_, _drv_info_, ("rtw_cancel_all_timer:cancel association timer complete!\n"));
 501 
 502         del_timer_sync(&padapter->mlmepriv.scan_to_timer);
 503         RT_TRACE(_module_os_intfs_c_, _drv_info_, ("rtw_cancel_all_timer:cancel scan_to_timer!\n"));
 504 
 505         del_timer_sync(&padapter->mlmepriv.dynamic_chk_timer);
 506         RT_TRACE(_module_os_intfs_c_, _drv_info_, ("rtw_cancel_all_timer:cancel dynamic_chk_timer!\n"));
 507 
 508         /*  cancel sw led timer */
 509         rtw_hal_sw_led_deinit(padapter);
 510         RT_TRACE(_module_os_intfs_c_, _drv_info_, ("rtw_cancel_all_timer:cancel DeInitSwLeds!\n"));
 511 
 512         del_timer_sync(&padapter->pwrctrlpriv.pwr_state_check_timer);
 513 
 514         del_timer_sync(&padapter->recvpriv.signal_stat_timer);
 515 }
 516 
 517 u8 rtw_free_drv_sw(struct adapter *padapter)
 518 {
 519         RT_TRACE(_module_os_intfs_c_, _drv_info_, ("==>rtw_free_drv_sw"));
 520 
 521         free_mlme_ext_priv(&padapter->mlmeextpriv);
 522 
 523         rtw_free_mlme_priv(&padapter->mlmepriv);
 524         _rtw_free_xmit_priv(&padapter->xmitpriv);
 525 
 526         /* will free bcmc_stainfo here */
 527         _rtw_free_sta_priv(&padapter->stapriv);
 528 
 529         _rtw_free_recv_priv(&padapter->recvpriv);
 530 
 531         rtw_hal_free_data(padapter);
 532 
 533         RT_TRACE(_module_os_intfs_c_, _drv_info_, ("<== rtw_free_drv_sw\n"));
 534 
 535         mutex_destroy(&padapter->hw_init_mutex);
 536 
 537         RT_TRACE(_module_os_intfs_c_, _drv_info_, ("-rtw_free_drv_sw\n"));
 538 
 539         return _SUCCESS;
 540 }
 541 
 542 static int _netdev_open(struct net_device *pnetdev)
 543 {
 544         uint status;
 545         int err;
 546         struct adapter *padapter = (struct adapter *)rtw_netdev_priv(pnetdev);
 547         struct pwrctrl_priv *pwrctrlpriv = &padapter->pwrctrlpriv;
 548 
 549         RT_TRACE(_module_os_intfs_c_, _drv_info_, ("+88eu_drv - dev_open\n"));
 550         DBG_88E("+88eu_drv - drv_open, bup =%d\n", padapter->bup);
 551 
 552         if (pwrctrlpriv->ps_flag) {
 553                 padapter->net_closed = false;
 554                 goto netdev_open_normal_process;
 555         }
 556 
 557         if (!padapter->bup) {
 558                 padapter->bDriverStopped = false;
 559                 padapter->bSurpriseRemoved = false;
 560 
 561                 status = rtw_hal_init(padapter);
 562                 if (status == _FAIL) {
 563                         RT_TRACE(_module_os_intfs_c_, _drv_err_, ("rtl88eu_hal_init(): Can't init h/w!\n"));
 564                         goto netdev_open_error;
 565                 }
 566 
 567                 pr_info("MAC Address = %pM\n", pnetdev->dev_addr);
 568 
 569                 err = rtw_start_drv_threads(padapter);
 570                 if (err) {
 571                         pr_info("Initialize driver software resource Failed!\n");
 572                         goto netdev_open_error;
 573                 }
 574 
 575                 if (init_hw_mlme_ext(padapter) == _FAIL) {
 576                         pr_info("can't init mlme_ext_priv\n");
 577                         goto netdev_open_error;
 578                 }
 579                 rtw_hal_inirp_init(padapter);
 580 
 581                 led_control_8188eu(padapter, LED_CTL_NO_LINK);
 582 
 583                 padapter->bup = true;
 584         }
 585         padapter->net_closed = false;
 586 
 587         mod_timer(&padapter->mlmepriv.dynamic_chk_timer,
 588                   jiffies + msecs_to_jiffies(2000));
 589 
 590         padapter->pwrctrlpriv.bips_processing = false;
 591         rtw_set_pwr_state_check_timer(&padapter->pwrctrlpriv);
 592 
 593         if (!rtw_netif_queue_stopped(pnetdev))
 594                 netif_tx_start_all_queues(pnetdev);
 595         else
 596                 netif_tx_wake_all_queues(pnetdev);
 597 
 598 netdev_open_normal_process:
 599         RT_TRACE(_module_os_intfs_c_, _drv_info_, ("-88eu_drv - dev_open\n"));
 600         DBG_88E("-88eu_drv - drv_open, bup =%d\n", padapter->bup);
 601         return 0;
 602 
 603 netdev_open_error:
 604         padapter->bup = false;
 605         netif_carrier_off(pnetdev);
 606         netif_tx_stop_all_queues(pnetdev);
 607         RT_TRACE(_module_os_intfs_c_, _drv_err_, ("-88eu_drv - dev_open, fail!\n"));
 608         DBG_88E("-88eu_drv - drv_open fail, bup =%d\n", padapter->bup);
 609         return -1;
 610 }
 611 
 612 int netdev_open(struct net_device *pnetdev)
 613 {
 614         int ret;
 615         struct adapter *padapter = (struct adapter *)rtw_netdev_priv(pnetdev);
 616 
 617         if (mutex_lock_interruptible(&padapter->hw_init_mutex))
 618                 return -ERESTARTSYS;
 619         ret = _netdev_open(pnetdev);
 620         mutex_unlock(&padapter->hw_init_mutex);
 621         return ret;
 622 }
 623 
 624 int  ips_netdrv_open(struct adapter *padapter)
 625 {
 626         int status = _SUCCESS;
 627 
 628         padapter->net_closed = false;
 629         DBG_88E("===> %s.........\n", __func__);
 630 
 631         padapter->bDriverStopped = false;
 632         padapter->bSurpriseRemoved = false;
 633 
 634         status = rtw_hal_init(padapter);
 635         if (status == _FAIL) {
 636                 RT_TRACE(_module_os_intfs_c_, _drv_err_, ("ips_netdrv_open(): Can't init h/w!\n"));
 637                 goto netdev_open_error;
 638         }
 639 
 640         rtw_hal_inirp_init(padapter);
 641 
 642         rtw_set_pwr_state_check_timer(&padapter->pwrctrlpriv);
 643         mod_timer(&padapter->mlmepriv.dynamic_chk_timer,
 644                   jiffies + msecs_to_jiffies(5000));
 645 
 646         return _SUCCESS;
 647 
 648 netdev_open_error:
 649         DBG_88E("-ips_netdrv_open - drv_open failure, bup =%d\n", padapter->bup);
 650 
 651         return _FAIL;
 652 }
 653 
 654 int rtw_ips_pwr_up(struct adapter *padapter)
 655 {
 656         int result;
 657         unsigned long start_time = jiffies;
 658 
 659         DBG_88E("===>  rtw_ips_pwr_up..............\n");
 660         rtw_reset_drv_sw(padapter);
 661 
 662         result = ips_netdrv_open(padapter);
 663 
 664         led_control_8188eu(padapter, LED_CTL_NO_LINK);
 665 
 666         DBG_88E("<===  rtw_ips_pwr_up.............. in %dms\n",
 667                 jiffies_to_msecs(jiffies - start_time));
 668         return result;
 669 }
 670 
 671 void rtw_ips_pwr_down(struct adapter *padapter)
 672 {
 673         unsigned long start_time = jiffies;
 674 
 675         DBG_88E("===> rtw_ips_pwr_down...................\n");
 676 
 677         padapter->net_closed = true;
 678 
 679         led_control_8188eu(padapter, LED_CTL_POWER_OFF);
 680 
 681         rtw_ips_dev_unload(padapter);
 682         DBG_88E("<=== rtw_ips_pwr_down..................... in %dms\n",
 683                 jiffies_to_msecs(jiffies - start_time));
 684 }
 685 
 686 void rtw_ips_dev_unload(struct adapter *padapter)
 687 {
 688         DBG_88E("====> %s...\n", __func__);
 689 
 690         rtw_hal_set_hwreg(padapter, HW_VAR_FIFO_CLEARN_UP, NULL);
 691 
 692         usb_intf_stop(padapter);
 693 
 694         /* s5. */
 695         if (!padapter->bSurpriseRemoved)
 696                 rtw_hal_deinit(padapter);
 697 }
 698 
 699 static int netdev_close(struct net_device *pnetdev)
 700 {
 701         struct adapter *padapter = (struct adapter *)rtw_netdev_priv(pnetdev);
 702 
 703         RT_TRACE(_module_os_intfs_c_, _drv_info_, ("+88eu_drv - drv_close\n"));
 704 
 705         if (padapter->pwrctrlpriv.bInternalAutoSuspend) {
 706                 if (padapter->pwrctrlpriv.rf_pwrstate == rf_off)
 707                         padapter->pwrctrlpriv.ps_flag = true;
 708         }
 709         padapter->net_closed = true;
 710 
 711         if (padapter->pwrctrlpriv.rf_pwrstate == rf_on) {
 712                 DBG_88E("(2)88eu_drv - drv_close, bup =%d, hw_init_completed =%d\n",
 713                         padapter->bup, padapter->hw_init_completed);
 714 
 715                 /* s1. */
 716                 if (pnetdev) {
 717                         if (!rtw_netif_queue_stopped(pnetdev))
 718                                 netif_tx_stop_all_queues(pnetdev);
 719                 }
 720 
 721                 /* s2. */
 722                 LeaveAllPowerSaveMode(padapter);
 723                 rtw_disassoc_cmd(padapter, 500, false);
 724                 /* s2-2.  indicate disconnect to os */
 725                 rtw_indicate_disconnect(padapter);
 726                 /* s2-3. */
 727                 rtw_free_assoc_resources(padapter);
 728                 /* s2-4. */
 729                 rtw_free_network_queue(padapter, true);
 730                 /*  Close LED */
 731                 led_control_8188eu(padapter, LED_CTL_POWER_OFF);
 732         }
 733 
 734         RT_TRACE(_module_os_intfs_c_, _drv_info_, ("-88eu_drv - drv_close\n"));
 735         DBG_88E("-88eu_drv - drv_close, bup =%d\n", padapter->bup);
 736         return 0;
 737 }

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