// SPDX-License-Identifier: GPL-2.0 /* Copyright(c) 2007 - 2011 Realtek Corporation. */ #define _OS_INTFS_C_ #include "../include/osdep_service.h" #include "../include/drv_types.h" #include "../include/xmit_osdep.h" #include "../include/recv_osdep.h" #include "../include/hal_intf.h" #include "../include/rtw_ioctl.h" #include "../include/usb_osintf.h" #include "../include/rtw_br_ext.h" #include "../include/rtw_led.h" #include "../include/rtl8188e_dm.h" MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("Realtek Wireless Lan Driver"); MODULE_AUTHOR("Realtek Semiconductor Corp."); MODULE_VERSION(DRIVERVERSION); #define CONFIG_BR_EXT_BRNAME "br0" #define RTW_NOTCH_FILTER 0 /* 0:Disable, 1:Enable, */ /* module param defaults */ static int rtw_chip_version = 0x00; static int rtw_rfintfs = HWPI; static int rtw_lbkmode;/* RTL8712_AIR_TRX; */ static int rtw_network_mode = Ndis802_11IBSS;/* Ndis802_11Infrastructure; infra, ad-hoc, auto */ static int rtw_channel = 1;/* ad-hoc support requirement */ static int rtw_wireless_mode = WIRELESS_11BG_24N; static int rtw_vrtl_carrier_sense = AUTO_VCS; static int rtw_vcs_type = RTS_CTS;/* */ static int rtw_rts_thresh = 2347;/* */ static int rtw_frag_thresh = 2346;/* */ static int rtw_preamble = PREAMBLE_LONG;/* long, short, auto */ static int rtw_scan_mode = 1;/* active, passive */ static int rtw_adhoc_tx_pwr = 1; static int rtw_soft_ap; static int rtw_power_mgnt = 1; static int rtw_ips_mode = IPS_NORMAL; static int rtw_smart_ps = 2; module_param(rtw_ips_mode, int, 0644); MODULE_PARM_DESC(rtw_ips_mode, "The default IPS mode"); static int rtw_radio_enable = 1; static int rtw_long_retry_lmt = 7; static int rtw_short_retry_lmt = 7; static int rtw_busy_thresh = 40; static int rtw_ack_policy = NORMAL_ACK; static int rtw_software_encrypt; static int rtw_software_decrypt; static int rtw_acm_method;/* 0:By SW 1:By HW. */ static int rtw_wmm_enable = 1;/* default is set to enable the wmm. */ static int rtw_uapsd_enable; static int rtw_uapsd_max_sp = NO_LIMIT; static int rtw_uapsd_acbk_en; static int rtw_uapsd_acbe_en; static int rtw_uapsd_acvi_en; static int rtw_uapsd_acvo_en; static int rtw_led_enable = 1; int rtw_ht_enable = 1; int rtw_cbw40_enable = 3; /* 0 :disable, bit(0): enable 2.4g, bit(1): enable 5g */ int rtw_ampdu_enable = 1;/* for enable tx_ampdu */ static int rtw_rx_stbc = 1;/* 0: disable, bit(0):enable 2.4g, bit(1):enable 5g, default is set to enable 2.4GHZ for IOT issue with bufflao's AP at 5GHZ */ static int rtw_ampdu_amsdu;/* 0: disabled, 1:enabled, 2:auto */ static int rtw_lowrate_two_xmit = 1;/* Use 2 path Tx to transmit MCS0~7 and legacy mode */ static int rtw_low_power; static int rtw_wifi_spec; static int rtw_channel_plan = RT_CHANNEL_DOMAIN_MAX; static int rtw_AcceptAddbaReq = true;/* 0:Reject AP's Add BA req, 1:Accept AP's Add BA req. */ static int rtw_antdiv_cfg = 2; /* 0:OFF , 1:ON, 2:decide by Efuse config */ static int rtw_antdiv_type; /* 0:decide by efuse 1: for 88EE, 1Tx and 1RxCG are diversity.(2 Ant with SPDT), 2: for 88EE, 1Tx and 2Rx are diversity.(2 Ant, Tx and RxCG are both on aux port, RxCS is on main port), 3: for 88EE, 1Tx and 1RxCG are fixed.(1Ant, Tx and RxCG are both on aux port) */ static int rtw_hwpdn_mode = 2;/* 0:disable, 1:enable, 2: by EFUSE config */ static int rtw_hwpwrp_detect; /* HW power ping detect 0:disable , 1:enable */ static int rtw_hw_wps_pbc = 1; int rtw_mc2u_disable; static int rtw_80211d; static char *ifname = "wlan%d"; module_param(ifname, charp, 0644); MODULE_PARM_DESC(ifname, "The default name to allocate for first interface"); static char *if2name = "wlan%d"; module_param(if2name, charp, 0644); MODULE_PARM_DESC(if2name, "The default name to allocate for second interface"); char *rtw_initmac; /* temp mac address if users want to use instead of the mac address in Efuse */ module_param(rtw_initmac, charp, 0644); module_param(rtw_channel_plan, int, 0644); module_param(rtw_chip_version, int, 0644); module_param(rtw_rfintfs, int, 0644); module_param(rtw_lbkmode, int, 0644); module_param(rtw_network_mode, int, 0644); module_param(rtw_channel, int, 0644); module_param(rtw_wmm_enable, int, 0644); module_param(rtw_vrtl_carrier_sense, int, 0644); module_param(rtw_vcs_type, int, 0644); module_param(rtw_busy_thresh, int, 0644); module_param(rtw_led_enable, int, 0644); module_param(rtw_ht_enable, int, 0644); module_param(rtw_cbw40_enable, int, 0644); module_param(rtw_ampdu_enable, int, 0644); module_param(rtw_rx_stbc, int, 0644); module_param(rtw_ampdu_amsdu, int, 0644); module_param(rtw_lowrate_two_xmit, int, 0644); module_param(rtw_power_mgnt, int, 0644); module_param(rtw_smart_ps, int, 0644); module_param(rtw_low_power, int, 0644); module_param(rtw_wifi_spec, int, 0644); module_param(rtw_antdiv_cfg, int, 0644); module_param(rtw_antdiv_type, int, 0644); module_param(rtw_hwpdn_mode, int, 0644); module_param(rtw_hwpwrp_detect, int, 0644); module_param(rtw_hw_wps_pbc, int, 0644); static uint rtw_max_roaming_times = 2; module_param(rtw_max_roaming_times, uint, 0644); MODULE_PARM_DESC(rtw_max_roaming_times, "The max roaming times to try"); static int rtw_fw_iol = 1;/* 0:Disable, 1:enable, 2:by usb speed */ module_param(rtw_fw_iol, int, 0644); MODULE_PARM_DESC(rtw_fw_iol, "FW IOL"); module_param(rtw_mc2u_disable, int, 0644); module_param(rtw_80211d, int, 0644); MODULE_PARM_DESC(rtw_80211d, "Enable 802.11d mechanism"); static uint rtw_notch_filter = RTW_NOTCH_FILTER; module_param(rtw_notch_filter, uint, 0644); MODULE_PARM_DESC(rtw_notch_filter, "0:Disable, 1:Enable, 2:Enable only for P2P"); static uint loadparam(struct adapter *padapter) { struct registry_priv *registry_par = &padapter->registrypriv; registry_par->chip_version = (u8)rtw_chip_version; registry_par->rfintfs = (u8)rtw_rfintfs; registry_par->lbkmode = (u8)rtw_lbkmode; registry_par->network_mode = (u8)rtw_network_mode; memcpy(registry_par->ssid.Ssid, "ANY", 3); registry_par->ssid.SsidLength = 3; registry_par->channel = (u8)rtw_channel; registry_par->wireless_mode = (u8)rtw_wireless_mode; registry_par->vrtl_carrier_sense = (u8)rtw_vrtl_carrier_sense; registry_par->vcs_type = (u8)rtw_vcs_type; registry_par->rts_thresh = (u16)rtw_rts_thresh; registry_par->frag_thresh = (u16)rtw_frag_thresh; registry_par->preamble = (u8)rtw_preamble; registry_par->scan_mode = (u8)rtw_scan_mode; registry_par->adhoc_tx_pwr = (u8)rtw_adhoc_tx_pwr; registry_par->soft_ap = (u8)rtw_soft_ap; registry_par->smart_ps = (u8)rtw_smart_ps; registry_par->power_mgnt = (u8)rtw_power_mgnt; registry_par->ips_mode = (u8)rtw_ips_mode; registry_par->radio_enable = (u8)rtw_radio_enable; registry_par->long_retry_lmt = (u8)rtw_long_retry_lmt; registry_par->short_retry_lmt = (u8)rtw_short_retry_lmt; registry_par->busy_thresh = (u16)rtw_busy_thresh; registry_par->ack_policy = (u8)rtw_ack_policy; registry_par->software_encrypt = (u8)rtw_software_encrypt; registry_par->software_decrypt = (u8)rtw_software_decrypt; registry_par->acm_method = (u8)rtw_acm_method; /* UAPSD */ registry_par->wmm_enable = (u8)rtw_wmm_enable; registry_par->uapsd_enable = (u8)rtw_uapsd_enable; registry_par->uapsd_max_sp = (u8)rtw_uapsd_max_sp; registry_par->uapsd_acbk_en = (u8)rtw_uapsd_acbk_en; registry_par->uapsd_acbe_en = (u8)rtw_uapsd_acbe_en; registry_par->uapsd_acvi_en = (u8)rtw_uapsd_acvi_en; registry_par->uapsd_acvo_en = (u8)rtw_uapsd_acvo_en; registry_par->led_enable = (u8)rtw_led_enable; registry_par->ht_enable = (u8)rtw_ht_enable; registry_par->cbw40_enable = (u8)rtw_cbw40_enable; registry_par->ampdu_enable = (u8)rtw_ampdu_enable; registry_par->rx_stbc = (u8)rtw_rx_stbc; registry_par->ampdu_amsdu = (u8)rtw_ampdu_amsdu; registry_par->lowrate_two_xmit = (u8)rtw_lowrate_two_xmit; registry_par->low_power = (u8)rtw_low_power; registry_par->wifi_spec = (u8)rtw_wifi_spec; registry_par->channel_plan = (u8)rtw_channel_plan; registry_par->bAcceptAddbaReq = (u8)rtw_AcceptAddbaReq; registry_par->antdiv_cfg = (u8)rtw_antdiv_cfg; registry_par->antdiv_type = (u8)rtw_antdiv_type; registry_par->hwpdn_mode = (u8)rtw_hwpdn_mode;/* 0:disable, 1:enable, 2:by EFUSE config */ registry_par->hwpwrp_detect = (u8)rtw_hwpwrp_detect;/* 0:disable, 1:enable */ registry_par->hw_wps_pbc = (u8)rtw_hw_wps_pbc; registry_par->max_roaming_times = (u8)rtw_max_roaming_times; registry_par->fw_iol = rtw_fw_iol; registry_par->enable80211d = (u8)rtw_80211d; snprintf(registry_par->ifname, 16, "%s", ifname); snprintf(registry_par->if2name, 16, "%s", if2name); registry_par->notch_filter = (u8)rtw_notch_filter; return _SUCCESS; } static int rtw_net_set_mac_address(struct net_device *pnetdev, void *p) { struct adapter *padapter = (struct adapter *)rtw_netdev_priv(pnetdev); struct sockaddr *addr = p; if (!padapter->bup) memcpy(padapter->eeprompriv.mac_addr, addr->sa_data, ETH_ALEN); return 0; } static struct net_device_stats *rtw_net_get_stats(struct net_device *pnetdev) { struct adapter *padapter = (struct adapter *)rtw_netdev_priv(pnetdev); struct xmit_priv *pxmitpriv = &padapter->xmitpriv; struct recv_priv *precvpriv = &padapter->recvpriv; padapter->stats.tx_packets = pxmitpriv->tx_pkts;/* pxmitpriv->tx_pkts++; */ padapter->stats.rx_packets = precvpriv->rx_pkts;/* 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; } /* * AC to queue mapping * * AC_VO -> queue 0 * AC_VI -> queue 1 * AC_BE -> queue 2 * AC_BK -> queue 3 */ static const u16 rtw_1d_to_queue[8] = { 2, 3, 3, 2, 1, 1, 0, 0 }; /* Given a data frame determine the 802.1p/1d tag to use. */ static unsigned int rtw_classify8021d(struct sk_buff *skb) { unsigned int dscp; /* skb->priority values from 256->263 are magic values to * directly indicate a specific 802.1d priority. This is used * to allow 802.1d priority to be passed directly in from VLAN * tags, etc. */ if (skb->priority >= 256 && skb->priority <= 263) return skb->priority - 256; switch (skb->protocol) { case htons(ETH_P_IP): dscp = ip_hdr(skb)->tos & 0xfc; break; default: return 0; } return dscp >> 5; } static u16 rtw_select_queue(struct net_device *dev, struct sk_buff *skb, struct net_device *sb_dev) { struct adapter *padapter = rtw_netdev_priv(dev); struct mlme_priv *pmlmepriv = &padapter->mlmepriv; skb->priority = rtw_classify8021d(skb); if (pmlmepriv->acm_mask != 0) skb->priority = qos_acm(pmlmepriv->acm_mask, skb->priority); return rtw_1d_to_queue[skb->priority]; } u16 rtw_recv_select_queue(struct sk_buff *skb) { struct iphdr *piphdr; unsigned int dscp; __be16 eth_type; u32 priority; u8 *pdata = skb->data; memcpy(ð_type, pdata + (ETH_ALEN << 1), 2); switch (eth_type) { case htons(ETH_P_IP): piphdr = (struct iphdr *)(pdata + ETH_HLEN); dscp = piphdr->tos & 0xfc; priority = dscp >> 5; break; default: priority = 0; } return rtw_1d_to_queue[priority]; } static const struct net_device_ops rtw_netdev_ops = { .ndo_open = netdev_open, .ndo_stop = netdev_close, .ndo_start_xmit = rtw_xmit_entry, .ndo_select_queue = rtw_select_queue, .ndo_set_mac_address = rtw_net_set_mac_address, .ndo_get_stats = rtw_net_get_stats, }; int rtw_init_netdev_name(struct net_device *pnetdev, const char *ifname) { int err; err = dev_alloc_name(pnetdev, ifname); if (err < 0) return err; netif_carrier_off(pnetdev); return 0; } static const struct device_type wlan_type = { .name = "wlan", }; struct net_device *rtw_init_netdev(struct adapter *old_padapter) { struct adapter *padapter; struct net_device *pnetdev; if (old_padapter) pnetdev = rtw_alloc_etherdev_with_old_priv(sizeof(struct adapter), (void *)old_padapter); else pnetdev = rtw_alloc_etherdev(sizeof(struct adapter)); if (!pnetdev) return NULL; pnetdev->dev.type = &wlan_type; padapter = rtw_netdev_priv(pnetdev); padapter->pnetdev = pnetdev; pnetdev->netdev_ops = &rtw_netdev_ops; pnetdev->watchdog_timeo = HZ * 3; /* 3 second timeout */ pnetdev->wireless_handlers = (struct iw_handler_def *)&rtw_handlers_def; /* step 2. */ loadparam(padapter); return pnetdev; } u32 rtw_start_drv_threads(struct adapter *padapter) { u32 _status = _SUCCESS; padapter->cmdThread = kthread_run(rtw_cmd_thread, padapter, "RTW_CMD_THREAD"); if (IS_ERR(padapter->cmdThread)) _status = _FAIL; else /* wait for rtw_cmd_thread() to start running */ wait_for_completion(&padapter->cmdpriv.start_cmd_thread); return _status; } void rtw_stop_drv_threads(struct adapter *padapter) { /* Below is to termindate rtw_cmd_thread & event_thread... */ complete(&padapter->cmdpriv.enqueue_cmd); if (padapter->cmdThread) /* wait for rtw_cmd_thread() to stop running */ wait_for_completion(&padapter->cmdpriv.stop_cmd_thread); } static void rtw_init_default_value(struct adapter *padapter) { 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->frag_len = pregistrypriv->frag_thresh; /* mlme_priv */ pmlmepriv->scan_interval = SCAN_INTERVAL;/* 30*2 sec = 60sec */ pmlmepriv->scan_mode = SCAN_ACTIVE; /* ht_priv */ pmlmepriv->htpriv.ampdu_enable = false;/* set to disabled */ /* security_priv */ psecuritypriv->binstallGrpkey = _FAIL; psecuritypriv->sw_encrypt = pregistrypriv->software_encrypt; psecuritypriv->sw_decrypt = pregistrypriv->software_decrypt; psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_Open; /* open system */ psecuritypriv->dot11PrivacyAlgrthm = _NO_PRIVACY_; psecuritypriv->dot11PrivacyKeyIndex = 0; psecuritypriv->dot118021XGrpPrivacy = _NO_PRIVACY_; psecuritypriv->dot118021XGrpKeyid = 1; psecuritypriv->ndisauthtype = Ndis802_11AuthModeOpen; psecuritypriv->ndisencryptstatus = Ndis802_11WEPDisabled; /* registry_priv */ rtw_init_registrypriv_dev_network(padapter); rtw_update_registrypriv_dev_network(padapter); /* hal_priv */ rtl8188eu_init_default_value(padapter); /* misc. */ padapter->bReadPortCancel = false; padapter->bWritePortCancel = false; padapter->bRxRSSIDisplay = 0; padapter->bNotifyChannelChange = 0; padapter->bShowGetP2PState = 1; } u8 rtw_reset_drv_sw(struct adapter *padapter) { struct mlme_priv *pmlmepriv = &padapter->mlmepriv; /* hal_priv */ rtl8188eu_init_default_value(padapter); padapter->bReadPortCancel = false; padapter->bWritePortCancel = false; padapter->bRxRSSIDisplay = 0; pmlmepriv->scan_interval = SCAN_INTERVAL;/* 30*2 sec = 60sec */ padapter->xmitpriv.tx_pkts = 0; padapter->recvpriv.rx_pkts = 0; pmlmepriv->LinkDetectInfo.bBusyTraffic = false; _clr_fwstate_(pmlmepriv, _FW_UNDER_SURVEY | _FW_UNDER_LINKING); /* mlmeextpriv */ padapter->mlmeextpriv.sitesurvey_res.state = SCAN_DISABLE; rtw_set_signal_stat_timer(&padapter->recvpriv); return _SUCCESS; } u8 rtw_init_drv_sw(struct adapter *padapter) { if ((rtw_init_cmd_priv(&padapter->cmdpriv)) == _FAIL) { dev_err(dvobj_to_dev(padapter->dvobj), "rtw_init_cmd_priv failed\n"); return _FAIL; } padapter->cmdpriv.padapter = padapter; if ((rtw_init_evt_priv(&padapter->evtpriv)) == _FAIL) { dev_err(dvobj_to_dev(padapter->dvobj), "rtw_init_evt_priv failed\n"); goto free_cmd_priv; } if (rtw_init_mlme_priv(padapter) == _FAIL) { dev_err(dvobj_to_dev(padapter->dvobj), "rtw_init_mlme_priv failed\n"); goto free_evt_priv; } rtw_init_wifidirect_timers(padapter); init_wifidirect_info(padapter, P2P_ROLE_DISABLE); reset_global_wifidirect_info(padapter); init_mlme_ext_priv(padapter); if (_rtw_init_xmit_priv(&padapter->xmitpriv, padapter) == _FAIL) { dev_err(dvobj_to_dev(padapter->dvobj), "_rtw_init_xmit_priv failed\n"); goto free_mlme_ext; } if (_rtw_init_recv_priv(&padapter->recvpriv, padapter) == _FAIL) { dev_err(dvobj_to_dev(padapter->dvobj), "_rtw_init_recv_priv failed\n"); goto free_xmit_priv; } if (_rtw_init_sta_priv(&padapter->stapriv) == _FAIL) { dev_err(dvobj_to_dev(padapter->dvobj), "_rtw_init_sta_priv failed\n"); goto free_recv_priv; } padapter->stapriv.padapter = padapter; rtw_init_bcmc_stainfo(padapter); rtw_init_pwrctrl_priv(padapter); rtw_init_default_value(padapter); rtl8188e_init_dm_priv(padapter); rtl8188eu_InitSwLeds(padapter); spin_lock_init(&padapter->br_ext_lock); return _SUCCESS; free_recv_priv: _rtw_free_recv_priv(&padapter->recvpriv); free_xmit_priv: _rtw_free_xmit_priv(&padapter->xmitpriv); free_mlme_ext: free_mlme_ext_priv(&padapter->mlmeextpriv); rtw_free_mlme_priv(&padapter->mlmepriv); free_evt_priv: rtw_free_evt_priv(&padapter->evtpriv); free_cmd_priv: rtw_free_cmd_priv(&padapter->cmdpriv); return _FAIL; } void rtw_cancel_all_timer(struct adapter *padapter) { _cancel_timer_ex(&padapter->mlmepriv.assoc_timer); _cancel_timer_ex(&padapter->mlmepriv.scan_to_timer); _cancel_timer_ex(&padapter->mlmepriv.dynamic_chk_timer); /* cancel sw led timer */ rtl8188eu_DeInitSwLeds(padapter); _cancel_timer_ex(&padapter->pwrctrlpriv.pwr_state_check_timer); _cancel_timer_ex(&padapter->recvpriv.signal_stat_timer); } u8 rtw_free_drv_sw(struct adapter *padapter) { /* we can call rtw_p2p_enable here, but: */ /* 1. rtw_p2p_enable may have IO operation */ /* 2. rtw_p2p_enable is bundled with wext interface */ { struct wifidirect_info *pwdinfo = &padapter->wdinfo; if (!rtw_p2p_chk_state(pwdinfo, P2P_STATE_NONE)) { _cancel_timer_ex(&pwdinfo->find_phase_timer); _cancel_timer_ex(&pwdinfo->restore_p2p_state_timer); _cancel_timer_ex(&pwdinfo->pre_tx_scan_timer); rtw_p2p_set_state(pwdinfo, P2P_STATE_NONE); } } free_mlme_ext_priv(&padapter->mlmeextpriv); rtw_free_cmd_priv(&padapter->cmdpriv); rtw_free_evt_priv(&padapter->evtpriv); rtw_free_mlme_priv(&padapter->mlmepriv); _rtw_free_xmit_priv(&padapter->xmitpriv); _rtw_free_sta_priv(&padapter->stapriv); /* will free bcmc_stainfo here */ _rtw_free_recv_priv(&padapter->recvpriv); /* free the old_pnetdev */ if (padapter->rereg_nd_name_priv.old_pnetdev) { free_netdev(padapter->rereg_nd_name_priv.old_pnetdev); padapter->rereg_nd_name_priv.old_pnetdev = NULL; } /* clear pbuddystruct adapter to avoid access wrong pointer. */ if (padapter->pbuddy_adapter) padapter->pbuddy_adapter->pbuddy_adapter = NULL; return _SUCCESS; } void netdev_br_init(struct net_device *netdev) { struct adapter *adapter = (struct adapter *)rtw_netdev_priv(netdev); rcu_read_lock(); if (rcu_dereference(adapter->pnetdev->rx_handler_data)) { struct net_device *br_netdev; struct net *devnet = NULL; devnet = dev_net(netdev); br_netdev = dev_get_by_name(devnet, CONFIG_BR_EXT_BRNAME); if (br_netdev) { memcpy(adapter->br_mac, br_netdev->dev_addr, ETH_ALEN); dev_put(br_netdev); } else { pr_info("%s()-%d: dev_get_by_name(%s) failed!", __func__, __LINE__, CONFIG_BR_EXT_BRNAME); } } adapter->ethBrExtInfo.addPPPoETag = 1; rcu_read_unlock(); } int _netdev_open(struct net_device *pnetdev) { uint status; struct adapter *padapter = (struct adapter *)rtw_netdev_priv(pnetdev); if (!padapter->bup) { padapter->bDriverStopped = false; padapter->bSurpriseRemoved = false; padapter->bCardDisableWOHSM = false; status = rtw_hal_init(padapter); if (status == _FAIL) goto netdev_open_error; pr_info("MAC Address = %pM\n", pnetdev->dev_addr); status = rtw_start_drv_threads(padapter); if (status == _FAIL) { pr_info("Initialize driver software resource Failed!\n"); goto netdev_open_error; } if (init_hw_mlme_ext(padapter) == _FAIL) { pr_info("can't init mlme_ext_priv\n"); goto netdev_open_error; } if (padapter->intf_start) padapter->intf_start(padapter); rtw_led_control(padapter, LED_CTL_NO_LINK); padapter->bup = true; } padapter->net_closed = false; _set_timer(&padapter->mlmepriv.dynamic_chk_timer, 2000); padapter->pwrctrlpriv.bips_processing = false; rtw_set_pwr_state_check_timer(&padapter->pwrctrlpriv); if (!rtw_netif_queue_stopped(pnetdev)) netif_tx_start_all_queues(pnetdev); else netif_tx_wake_all_queues(pnetdev); netdev_br_init(pnetdev); return 0; netdev_open_error: padapter->bup = false; netif_carrier_off(pnetdev); netif_tx_stop_all_queues(pnetdev); return -1; } int netdev_open(struct net_device *pnetdev) { int ret; struct adapter *padapter = (struct adapter *)rtw_netdev_priv(pnetdev); mutex_lock(padapter->hw_init_mutex); ret = _netdev_open(pnetdev); mutex_unlock(padapter->hw_init_mutex); return ret; } static int ips_netdrv_open(struct adapter *padapter) { int status = _SUCCESS; padapter->net_closed = false; padapter->bDriverStopped = false; padapter->bSurpriseRemoved = false; padapter->bCardDisableWOHSM = false; status = rtw_hal_init(padapter); if (status == _FAIL) goto netdev_open_error; if (padapter->intf_start) padapter->intf_start(padapter); rtw_set_pwr_state_check_timer(&padapter->pwrctrlpriv); _set_timer(&padapter->mlmepriv.dynamic_chk_timer, 5000); return _SUCCESS; netdev_open_error: return _FAIL; } int rtw_ips_pwr_up(struct adapter *padapter) { int result; rtw_reset_drv_sw(padapter); result = ips_netdrv_open(padapter); rtw_led_control(padapter, LED_CTL_NO_LINK); return result; } void rtw_ips_pwr_down(struct adapter *padapter) { padapter->bCardDisableWOHSM = true; padapter->net_closed = true; rtw_led_control(padapter, LED_CTL_POWER_OFF); rtw_ips_dev_unload(padapter); padapter->bCardDisableWOHSM = false; } static void rtw_fifo_cleanup(struct adapter *adapter) { struct pwrctrl_priv *pwrpriv = &adapter->pwrctrlpriv; u8 trycnt = 100; /* pause tx */ rtw_write8(adapter, REG_TXPAUSE, 0xff); /* keep sn */ adapter->xmitpriv.nqos_ssn = rtw_read16(adapter, REG_NQOS_SEQ); if (!pwrpriv->bkeepfwalive) { /* RX DMA stop */ rtw_write32(adapter, REG_RXPKT_NUM, (rtw_read32(adapter, REG_RXPKT_NUM) | RW_RELEASE_EN)); do { if (!(rtw_read32(adapter, REG_RXPKT_NUM) & RXDMA_IDLE)) break; } while (trycnt--); /* RQPN Load 0 */ rtw_write16(adapter, REG_RQPN_NPQ, 0x0); rtw_write32(adapter, REG_RQPN, 0x80000000); mdelay(10); } } void rtw_ips_dev_unload(struct adapter *padapter) { rtw_fifo_cleanup(padapter); if (padapter->intf_stop) padapter->intf_stop(padapter); /* s5. */ if (!padapter->bSurpriseRemoved) rtw_hal_deinit(padapter); } int netdev_close(struct net_device *pnetdev) { struct adapter *padapter = (struct adapter *)rtw_netdev_priv(pnetdev); struct dvobj_priv *dvobj = adapter_to_dvobj(padapter); padapter->net_closed = true; if (padapter->pwrctrlpriv.rf_pwrstate == rf_on) { /* s1. */ if (pnetdev) { if (!rtw_netif_queue_stopped(pnetdev)) netif_tx_stop_all_queues(pnetdev); } /* s2. */ LeaveAllPowerSaveMode(padapter); rtw_disassoc_cmd(padapter, 500, false); /* s2-2. indicate disconnect to os */ rtw_indicate_disconnect(padapter); /* s2-3. */ rtw_free_assoc_resources(padapter, 1); /* s2-4. */ rtw_free_network_queue(padapter, true); /* Close LED */ rtw_led_control(padapter, LED_CTL_POWER_OFF); } nat25_db_cleanup(padapter); rtw_p2p_enable(padapter, P2P_ROLE_DISABLE); kfree(dvobj->firmware.data); dvobj->firmware.data = NULL; return 0; }