// SPDX-License-Identifier: GPL-2.0 /****************************************************************************** * * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved. * ******************************************************************************/ #include #include #include MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("Realtek Wireless Lan Driver"); MODULE_AUTHOR("Realtek Semiconductor Corp."); MODULE_VERSION(DRIVERVERSION); /* module param defaults */ static int rtw_chip_version; 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 */ /* struct ndis_802_11_ssid ssid; */ 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; /* int smart_ps = 1; */ static int rtw_power_mgnt = 1; static int rtw_ips_mode = IPS_NORMAL; module_param(rtw_ips_mode, int, 0644); MODULE_PARM_DESC(rtw_ips_mode, "The default IPS mode"); static int rtw_smart_ps = 2; static int rtw_check_fw_ps = 1; static int rtw_usb_rxagg_mode = 2;/* USB_RX_AGG_DMA = 1, USB_RX_AGG_USB =2 */ module_param(rtw_usb_rxagg_mode, int, 0644); 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; /* int qos_enable = 0; */ 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; int rtw_ht_enable = 1; /* * 0: 20 MHz, 1: 40 MHz * 2.4G use bit 0 ~ 3 * 0x01 means enable 2.4G 40MHz */ static int rtw_bw_mode = 0x01; static int rtw_ampdu_enable = 1;/* for enable tx_ampdu ,0: disable, 0x1:enable (but wifi_spec should be 0), 0x2: force enable (don't care wifi_spec) */ static int rtw_rx_stbc = 1;/* 0: disable, 1:enable 2.4g */ static int rtw_ampdu_amsdu;/* 0: disabled, 1:enabled, 2:auto . There is an IOT issu with DLINK DIR-629 when the flag turn on */ /* Short GI support Bit Map */ /* BIT0 - 20MHz, 0: non-support, 1: support */ /* BIT1 - 40MHz, 0: non-support, 1: support */ /* BIT2 - 80MHz, 0: non-support, 1: support */ /* BIT3 - 160MHz, 0: non-support, 1: support */ static int rtw_short_gi = 0xf; /* BIT0: Enable VHT LDPC Rx, BIT1: Enable VHT LDPC Tx, BIT4: Enable HT LDPC Rx, BIT5: Enable HT LDPC Tx */ static int rtw_ldpc_cap = 0x33; /* BIT0: Enable VHT STBC Rx, BIT1: Enable VHT STBC Tx, BIT4: Enable HT STBC Rx, BIT5: Enable HT STBC Tx */ static int rtw_stbc_cap = 0x13; /* BIT0: Enable VHT Beamformer, BIT1: Enable VHT Beamformee, BIT4: Enable HT Beamformer, BIT5: Enable HT Beamformee */ static int rtw_beamform_cap = 0x2; 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_ant_num = -1; /* <0: undefined, >0: Antenna number */ module_param(rtw_ant_num, int, 0644); MODULE_PARM_DESC(rtw_ant_num, "Antenna number setting"); static int rtw_antdiv_cfg = 1; /* 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_hw_wps_pbc; int rtw_mc2u_disable; static int rtw_80211d; static int rtw_qos_opt_enable;/* 0: disable, 1:enable */ module_param(rtw_qos_opt_enable, int, 0644); static char *ifname = "wlan%d"; module_param(ifname, charp, 0644); MODULE_PARM_DESC(ifname, "The default name to allocate for first 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_ht_enable, int, 0644); module_param(rtw_bw_mode, 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_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"); 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; module_param(rtw_notch_filter, uint, 0644); MODULE_PARM_DESC(rtw_notch_filter, "0:Disable, 1:Enable, 2:Enable only for P2P"); #define CONFIG_RTW_HIQ_FILTER 1 static uint rtw_hiq_filter = CONFIG_RTW_HIQ_FILTER; module_param(rtw_hiq_filter, uint, 0644); MODULE_PARM_DESC(rtw_hiq_filter, "0:allow all, 1:allow special, 2:deny all"); static int rtw_tx_pwr_lmt_enable; static int rtw_tx_pwr_by_rate; module_param(rtw_tx_pwr_lmt_enable, int, 0644); MODULE_PARM_DESC(rtw_tx_pwr_lmt_enable, "0:Disable, 1:Enable, 2: Depend on efuse"); module_param(rtw_tx_pwr_by_rate, int, 0644); MODULE_PARM_DESC(rtw_tx_pwr_by_rate, "0:Disable, 1:Enable, 2: Depend on efuse"); 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)rtw_chip_version; registry_par->rfintfs = (u8)rtw_rfintfs; registry_par->lbkmode = (u8)rtw_lbkmode; /* registry_par->hci = (u8)hci; */ registry_par->network_mode = (u8)rtw_network_mode; memcpy(registry_par->ssid.ssid, "ANY", 3); registry_par->ssid.ssid_length = 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->check_fw_ps = (u8)rtw_check_fw_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->qos_enable = (u8)rtw_qos_enable; */ 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; registry_par->usb_rxagg_mode = (u8)rtw_usb_rxagg_mode; /* 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->ht_enable = (u8)rtw_ht_enable; registry_par->bw_mode = (u8)rtw_bw_mode; 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->short_gi = (u8)rtw_short_gi; registry_par->ldpc_cap = (u8)rtw_ldpc_cap; registry_par->stbc_cap = (u8)rtw_stbc_cap; registry_par->beamform_cap = (u8)rtw_beamform_cap; 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->ant_num = (s8)rtw_ant_num; registry_par->accept_addba_req = true; registry_par->antdiv_cfg = (u8)rtw_antdiv_cfg; registry_par->antdiv_type = (u8)rtw_antdiv_type; registry_par->hw_wps_pbc = (u8)rtw_hw_wps_pbc; registry_par->max_roaming_times = (u8)rtw_max_roaming_times; registry_par->enable80211d = (u8)rtw_80211d; snprintf(registry_par->ifname, 16, "%s", ifname); registry_par->notch_filter = (u8)rtw_notch_filter; registry_par->RegEnableTxPowerLimit = (u8)rtw_tx_pwr_lmt_enable; registry_par->RegEnableTxPowerByRate = (u8)rtw_tx_pwr_by_rate; registry_par->RegPowerBase = 14; registry_par->TxBBSwing_2G = 0xFF; registry_par->bEn_RFE = 1; registry_par->RFE_Type = 64; registry_par->qos_opt_enable = (u8)rtw_qos_opt_enable; registry_par->hiq_filter = (u8)rtw_hiq_filter; } static int rtw_net_set_mac_address(struct net_device *pnetdev, void *p) { struct adapter *padapter = rtw_netdev_priv(pnetdev); struct sockaddr *addr = p; if (!padapter->bup) { /* addr->sa_data[4], addr->sa_data[5]); */ memcpy(padapter->eeprompriv.mac_addr, addr->sa_data, ETH_ALEN); /* memcpy(pnetdev->dev_addr, addr->sa_data, ETH_ALEN); */ /* padapter->bset_hwaddr = true; */ } return 0; } static struct net_device_stats *rtw_net_get_stats(struct net_device *pnetdev) { struct adapter *padapter = 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 (be16_to_cpu(eth_type)) { case 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 int rtw_ndev_notifier_call(struct notifier_block *nb, unsigned long state, void *ptr) { struct net_device *dev = netdev_notifier_info_to_dev(ptr); if (dev->netdev_ops->ndo_do_ioctl != rtw_ioctl) return NOTIFY_DONE; netdev_info(dev, FUNC_NDEV_FMT " state:%lu\n", FUNC_NDEV_ARG(dev), state); return NOTIFY_DONE; } static struct notifier_block rtw_ndev_notifier = { .notifier_call = rtw_ndev_notifier_call, }; int rtw_ndev_notifier_register(void) { return register_netdevice_notifier(&rtw_ndev_notifier); } void rtw_ndev_notifier_unregister(void) { unregister_netdevice_notifier(&rtw_ndev_notifier); } static int rtw_ndev_init(struct net_device *dev) { struct adapter *adapter = rtw_netdev_priv(dev); netdev_dbg(dev, FUNC_ADPT_FMT "\n", FUNC_ADPT_ARG(adapter)); strncpy(adapter->old_ifname, dev->name, IFNAMSIZ); return 0; } static void rtw_ndev_uninit(struct net_device *dev) { struct adapter *adapter = rtw_netdev_priv(dev); netdev_dbg(dev, FUNC_ADPT_FMT "\n", FUNC_ADPT_ARG(adapter)); } static const struct net_device_ops rtw_netdev_ops = { .ndo_init = rtw_ndev_init, .ndo_uninit = rtw_ndev_uninit, .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, .ndo_do_ioctl = rtw_ioctl, }; int rtw_init_netdev_name(struct net_device *pnetdev, const char *ifname) { if (dev_alloc_name(pnetdev, ifname) < 0) { pr_err("dev_alloc_name, fail for %s\n", ifname); return 1; } netif_carrier_off(pnetdev); /* rtw_netif_stop_queue(pnetdev); */ return 0; } 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)); pr_info("pnetdev = %p\n", pnetdev); if (!pnetdev) return NULL; padapter = rtw_netdev_priv(pnetdev); padapter->pnetdev = pnetdev; /* pnetdev->init = NULL; */ pnetdev->netdev_ops = &rtw_netdev_ops; /* pnetdev->tx_timeout = NULL; */ pnetdev->watchdog_timeo = HZ * 3; /* 3 second timeout */ /* step 2. */ loadparam(padapter, pnetdev); return pnetdev; } void rtw_unregister_netdevs(struct dvobj_priv *dvobj) { struct adapter *padapter = NULL; struct net_device *pnetdev = NULL; padapter = dvobj->padapters; if (!padapter) return; pnetdev = padapter->pnetdev; if ((padapter->DriverState != DRIVER_DISAPPEAR) && pnetdev) unregister_netdev(pnetdev); /* will call netdev_close() */ rtw_wdev_unregister(padapter->rtw_wdev); } u32 rtw_start_drv_threads(struct adapter *padapter) { u32 _status = _SUCCESS; padapter->xmitThread = kthread_run(rtw_xmit_thread, padapter, "RTW_XMIT_THREAD"); if (IS_ERR(padapter->xmitThread)) _status = _FAIL; padapter->cmdThread = kthread_run(rtw_cmd_thread, padapter, "RTW_CMD_THREAD"); if (IS_ERR(padapter->cmdThread)) _status = _FAIL; else wait_for_completion(&padapter->cmdpriv.terminate_cmdthread_comp); /* wait for cmd_thread to run */ rtw_hal_start_thread(padapter); return _status; } void rtw_stop_drv_threads(struct adapter *padapter) { rtw_stop_cmd_thread(padapter); /* Below is to termindate tx_thread... */ complete(&padapter->xmitpriv.xmit_comp); wait_for_completion(&padapter->xmitpriv.terminate_xmitthread_comp); rtw_hal_stop_thread(padapter); } 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->rts_thresh = pregistrypriv->rts_thresh; */ pxmitpriv->frag_len = pregistrypriv->frag_thresh; /* recv_priv */ /* mlme_priv */ pmlmepriv->scan_mode = SCAN_ACTIVE; /* qos_priv */ /* pmlmepriv->qospriv.qos_option = pregistrypriv->wmm_enable; */ /* ht_priv */ pmlmepriv->htpriv.ampdu_enable = false;/* set to disabled */ /* security_priv */ /* rtw_get_encrypt_decrypt_from_registrypriv(padapter); */ 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 */ rtw_hal_def_value_init(padapter); /* misc. */ RTW_ENABLE_FUNC(padapter, DF_RX_BIT); RTW_ENABLE_FUNC(padapter, DF_TX_BIT); padapter->bLinkInfoDump = 0; padapter->bNotifyChannelChange = 0; /* for debug purpose */ padapter->fix_rate = 0xFF; padapter->driver_ampdu_spacing = 0xFF; padapter->driver_rx_ampdu_factor = 0xFF; } struct dvobj_priv *devobj_init(void) { struct dvobj_priv *pdvobj = NULL; pdvobj = rtw_zmalloc(sizeof(*pdvobj)); if (!pdvobj) return NULL; mutex_init(&pdvobj->hw_init_mutex); mutex_init(&pdvobj->h2c_fwcmd_mutex); mutex_init(&pdvobj->setch_mutex); mutex_init(&pdvobj->setbw_mutex); spin_lock_init(&pdvobj->lock); pdvobj->macid[1] = true; /* macid = 1 for bc/mc stainfo */ pdvobj->processing_dev_remove = false; atomic_set(&pdvobj->disable_func, 0); spin_lock_init(&pdvobj->cam_ctl.lock); return pdvobj; } void devobj_deinit(struct dvobj_priv *pdvobj) { if (!pdvobj) return; mutex_destroy(&pdvobj->hw_init_mutex); mutex_destroy(&pdvobj->h2c_fwcmd_mutex); mutex_destroy(&pdvobj->setch_mutex); mutex_destroy(&pdvobj->setbw_mutex); kfree(pdvobj); } void rtw_reset_drv_sw(struct adapter *padapter) { struct mlme_priv *pmlmepriv = &padapter->mlmepriv; struct pwrctrl_priv *pwrctrlpriv = adapter_to_pwrctl(padapter); /* hal_priv */ if (is_primary_adapter(padapter)) rtw_hal_def_value_init(padapter); RTW_ENABLE_FUNC(padapter, DF_RX_BIT); RTW_ENABLE_FUNC(padapter, DF_TX_BIT); padapter->bLinkInfoDump = 0; padapter->xmitpriv.tx_pkts = 0; padapter->recvpriv.rx_pkts = 0; pmlmepriv->LinkDetectInfo.bBusyTraffic = false; /* pmlmepriv->LinkDetectInfo.TrafficBusyState = false; */ pmlmepriv->LinkDetectInfo.TrafficTransitionCount = 0; pmlmepriv->LinkDetectInfo.LowPowerTransitionCount = 0; _clr_fwstate_(pmlmepriv, _FW_UNDER_SURVEY | _FW_UNDER_LINKING); pwrctrlpriv->pwr_state_check_cnts = 0; /* mlmeextpriv */ padapter->mlmeextpriv.sitesurvey_res.state = SCAN_DISABLE; rtw_set_signal_stat_timer(&padapter->recvpriv); } u8 rtw_init_drv_sw(struct adapter *padapter) { rtw_init_default_value(padapter); rtw_init_hal_com_default_value(padapter); if (rtw_init_cmd_priv(&padapter->cmdpriv)) return _FAIL; padapter->cmdpriv.padapter = padapter; if (rtw_init_evt_priv(&padapter->evtpriv)) goto free_cmd_priv; if (rtw_init_mlme_priv(padapter) == _FAIL) goto free_evt_priv; init_mlme_ext_priv(padapter); if (_rtw_init_xmit_priv(&padapter->xmitpriv, padapter) == _FAIL) goto free_mlme_ext; if (_rtw_init_recv_priv(&padapter->recvpriv, padapter) == _FAIL) goto free_xmit_priv; /* add for CONFIG_IEEE80211W, none 11w also can use */ spin_lock_init(&padapter->security_key_mutex); /* We don't need to memset padapter->XXX to zero, because adapter is allocated by vzalloc(). */ /* memset((unsigned char *)&padapter->securitypriv, 0, sizeof (struct security_priv)); */ if (_rtw_init_sta_priv(&padapter->stapriv) == _FAIL) goto free_recv_priv; padapter->stapriv.padapter = padapter; padapter->setband = GHZ24_50; padapter->fix_rate = 0xFF; rtw_init_bcmc_stainfo(padapter); rtw_init_pwrctrl_priv(padapter); rtw_hal_dm_init(padapter); 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) { del_timer_sync(&padapter->mlmepriv.assoc_timer); del_timer_sync(&padapter->mlmepriv.scan_to_timer); del_timer_sync(&padapter->mlmepriv.dynamic_chk_timer); del_timer_sync(&(adapter_to_pwrctl(padapter)->pwr_state_check_timer)); del_timer_sync(&padapter->mlmepriv.set_scan_deny_timer); rtw_clear_scan_deny(padapter); del_timer_sync(&padapter->recvpriv.signal_stat_timer); /* cancel dm timer */ rtw_hal_dm_deinit(padapter); } u8 rtw_free_drv_sw(struct adapter *padapter) { free_mlme_ext_priv(&padapter->mlmeextpriv); rtw_free_cmd_priv(&padapter->cmdpriv); rtw_free_evt_priv(&padapter->evtpriv); rtw_free_mlme_priv(&padapter->mlmepriv); /* free_io_queue(padapter); */ _rtw_free_xmit_priv(&padapter->xmitpriv); _rtw_free_sta_priv(&padapter->stapriv); /* will free bcmc_stainfo here */ _rtw_free_recv_priv(&padapter->recvpriv); rtw_free_pwrctrl_priv(padapter); /* kfree((void *)padapter); */ rtw_hal_free_data(padapter); /* 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; } static int _rtw_drv_register_netdev(struct adapter *padapter, char *name) { int ret = _SUCCESS; struct net_device *pnetdev = padapter->pnetdev; /* alloc netdev name */ if (rtw_init_netdev_name(pnetdev, name)) return _FAIL; memcpy(pnetdev->dev_addr, padapter->eeprompriv.mac_addr, ETH_ALEN); /* Tell the network stack we exist */ if (register_netdev(pnetdev) != 0) { ret = _FAIL; goto error_register_netdev; } return ret; error_register_netdev: rtw_free_drv_sw(padapter); rtw_free_netdev(pnetdev); return ret; } int rtw_drv_register_netdev(struct adapter *if1) { struct dvobj_priv *dvobj = if1->dvobj; struct adapter *padapter = dvobj->padapters; char *name = if1->registrypriv.ifname; return _rtw_drv_register_netdev(padapter, name); } static int _netdev_open(struct net_device *pnetdev) { uint status; struct adapter *padapter = rtw_netdev_priv(pnetdev); struct pwrctrl_priv *pwrctrlpriv = adapter_to_pwrctl(padapter); padapter->netif_up = true; if (pwrctrlpriv->ps_flag) { padapter->net_closed = false; goto netdev_open_normal_process; } if (!padapter->bup) { padapter->bDriverStopped = false; padapter->bSurpriseRemoved = false; padapter->bCardDisableWOHSM = false; status = rtw_hal_init(padapter); if (status == _FAIL) goto netdev_open_error; status = rtw_start_drv_threads(padapter); if (status == _FAIL) goto netdev_open_error; if (padapter->intf_start) padapter->intf_start(padapter); rtw_cfg80211_init_wiphy(padapter); padapter->bup = true; pwrctrlpriv->bips_processing = false; } padapter->net_closed = false; _set_timer(&padapter->mlmepriv.dynamic_chk_timer, 2000); if (!rtw_netif_queue_stopped(pnetdev)) rtw_netif_start_queue(pnetdev); else rtw_netif_wake_queue(pnetdev); netdev_open_normal_process: return 0; netdev_open_error: padapter->bup = false; netif_carrier_off(pnetdev); rtw_netif_stop_queue(pnetdev); return (-1); } int netdev_open(struct net_device *pnetdev) { int ret; struct adapter *padapter = rtw_netdev_priv(pnetdev); struct pwrctrl_priv *pwrctrlpriv = adapter_to_pwrctl(padapter); if (pwrctrlpriv->bInSuspend) return 0; if (mutex_lock_interruptible(&(adapter_to_dvobj(padapter)->hw_init_mutex))) return -1; ret = _netdev_open(pnetdev); mutex_unlock(&(adapter_to_dvobj(padapter)->hw_init_mutex)); return ret; } static int ips_netdrv_open(struct adapter *padapter) { int status = _SUCCESS; /* struct pwrctrl_priv *pwrpriv = adapter_to_pwrctl(padapter); */ padapter->net_closed = false; padapter->bDriverStopped = false; padapter->bCardDisableWOHSM = false; /* padapter->bup = true; */ status = rtw_hal_init(padapter); if (status == _FAIL) goto netdev_open_error; if (padapter->intf_start) padapter->intf_start(padapter); _set_timer(&padapter->mlmepriv.dynamic_chk_timer, 2000); return _SUCCESS; netdev_open_error: return _FAIL; } int rtw_ips_pwr_up(struct adapter *padapter) { int result; result = ips_netdrv_open(padapter); return result; } void rtw_ips_pwr_down(struct adapter *padapter) { padapter->bCardDisableWOHSM = true; padapter->net_closed = true; rtw_ips_dev_unload(padapter); padapter->bCardDisableWOHSM = false; } void rtw_ips_dev_unload(struct adapter *padapter) { if (!padapter->bSurpriseRemoved) rtw_hal_deinit(padapter); } static int pm_netdev_open(struct net_device *pnetdev, u8 bnormal) { int status = -1; struct adapter *padapter = rtw_netdev_priv(pnetdev); if (bnormal) { if (mutex_lock_interruptible(&(adapter_to_dvobj(padapter)->hw_init_mutex)) == 0) { status = _netdev_open(pnetdev); mutex_unlock(&(adapter_to_dvobj(padapter)->hw_init_mutex)); } } else { status = (_SUCCESS == ips_netdrv_open(padapter)) ? (0) : (-1); } return status; } static int netdev_close(struct net_device *pnetdev) { struct adapter *padapter = rtw_netdev_priv(pnetdev); struct pwrctrl_priv *pwrctl = adapter_to_pwrctl(padapter); if (pwrctl->bInternalAutoSuspend) { /* rtw_pwr_wakeup(padapter); */ if (pwrctl->rf_pwrstate == rf_off) pwrctl->ps_flag = true; } padapter->net_closed = true; padapter->netif_up = false; /*if (!padapter->hw_init_completed) { padapter->bDriverStopped = true; rtw_dev_unload(padapter); } else*/ if (pwrctl->rf_pwrstate == rf_on) { /* s1. */ if (pnetdev) { if (!rtw_netif_queue_stopped(pnetdev)) rtw_netif_stop_queue(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); } rtw_scan_abort(padapter); adapter_wdev_data(padapter)->bandroid_scan = false; return 0; } void rtw_ndev_destructor(struct net_device *ndev) { kfree(ndev->ieee80211_ptr); } void rtw_dev_unload(struct adapter *padapter) { struct pwrctrl_priv *pwrctl = adapter_to_pwrctl(padapter); struct dvobj_priv *pobjpriv = padapter->dvobj; struct debug_priv *pdbgpriv = &pobjpriv->drv_dbg; struct cmd_priv *pcmdpriv = &padapter->cmdpriv; u8 cnt = 0; if (padapter->bup) { padapter->bDriverStopped = true; if (padapter->xmitpriv.ack_tx) rtw_ack_tx_done(&padapter->xmitpriv, RTW_SCTX_DONE_DRV_STOP); if (padapter->intf_stop) padapter->intf_stop(padapter); if (!pwrctl->bInternalAutoSuspend) rtw_stop_drv_threads(padapter); while (atomic_read(&pcmdpriv->cmdthd_running)) { if (cnt > 5) { break; } else { cnt++; msleep(10); } } /* check the status of IPS */ if (rtw_hal_check_ips_status(padapter) || pwrctl->rf_pwrstate == rf_off) { /* check HW status and SW state */ netdev_dbg(padapter->pnetdev, "%s: driver in IPS-FWLPS\n", __func__); pdbgpriv->dbg_dev_unload_inIPS_cnt++; LeaveAllPowerSaveMode(padapter); } else { netdev_dbg(padapter->pnetdev, "%s: driver not in IPS\n", __func__); } if (!padapter->bSurpriseRemoved) { hal_btcoex_IpsNotify(padapter, pwrctl->ips_mode_req); /* amy modify 20120221 for power seq is different between driver open and ips */ rtw_hal_deinit(padapter); padapter->bSurpriseRemoved = true; } padapter->bup = false; } } static int rtw_suspend_free_assoc_resource(struct adapter *padapter) { struct mlme_priv *pmlmepriv = &padapter->mlmepriv; if (rtw_chk_roam_flags(padapter, RTW_ROAM_ON_RESUME)) { if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) && check_fwstate(pmlmepriv, _FW_LINKED)) { rtw_set_to_roam(padapter, 1); } } if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) && check_fwstate(pmlmepriv, _FW_LINKED)) { rtw_disassoc_cmd(padapter, 0, false); /* s2-2. indicate disconnect to os */ rtw_indicate_disconnect(padapter); } else if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) { rtw_sta_flush(padapter); } /* s2-3. */ rtw_free_assoc_resources(padapter, 1); /* s2-4. */ rtw_free_network_queue(padapter, true); if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY)) rtw_indicate_scan_done(padapter, 1); if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING)) { netdev_dbg(padapter->pnetdev, "%s: fw_under_linking\n", __func__); rtw_indicate_disconnect(padapter); } return _SUCCESS; } static void rtw_suspend_normal(struct adapter *padapter) { struct net_device *pnetdev = padapter->pnetdev; if (pnetdev) { netif_carrier_off(pnetdev); rtw_netif_stop_queue(pnetdev); } rtw_suspend_free_assoc_resource(padapter); if ((rtw_hal_check_ips_status(padapter)) || (adapter_to_pwrctl(padapter)->rf_pwrstate == rf_off)) netdev_dbg(padapter->pnetdev, "%s: ### ERROR #### driver in IPS ####ERROR###!!!\n", __func__); rtw_dev_unload(padapter); /* sdio_deinit(adapter_to_dvobj(padapter)); */ if (padapter->intf_deinit) padapter->intf_deinit(adapter_to_dvobj(padapter)); } void rtw_suspend_common(struct adapter *padapter) { struct dvobj_priv *psdpriv = padapter->dvobj; struct debug_priv *pdbgpriv = &psdpriv->drv_dbg; struct pwrctrl_priv *pwrpriv = dvobj_to_pwrctl(psdpriv); struct mlme_priv *pmlmepriv = &padapter->mlmepriv; unsigned long start_time = jiffies; netdev_dbg(padapter->pnetdev, " suspend start\n"); pdbgpriv->dbg_suspend_cnt++; pwrpriv->bInSuspend = true; while (pwrpriv->bips_processing) msleep(1); if ((!padapter->bup) || (padapter->bDriverStopped) || (padapter->bSurpriseRemoved)) { pdbgpriv->dbg_suspend_error_cnt++; goto exit; } rtw_ps_deny(padapter, PS_DENY_SUSPEND); rtw_cancel_all_timer(padapter); LeaveAllPowerSaveModeDirect(padapter); rtw_stop_cmd_thread(padapter); /* wait for the latest FW to remove this condition. */ if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) hal_btcoex_SuspendNotify(padapter, 0); else if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)) hal_btcoex_SuspendNotify(padapter, 1); rtw_ps_deny_cancel(padapter, PS_DENY_SUSPEND); rtw_suspend_normal(padapter); netdev_dbg(padapter->pnetdev, "rtw suspend success in %d ms\n", jiffies_to_msecs(jiffies - start_time)); exit: return; } static int rtw_resume_process_normal(struct adapter *padapter) { struct net_device *pnetdev; struct pwrctrl_priv *pwrpriv; struct mlme_priv *pmlmepriv; struct dvobj_priv *psdpriv; struct debug_priv *pdbgpriv; int ret = _SUCCESS; if (!padapter) { ret = -1; goto exit; } pnetdev = padapter->pnetdev; pwrpriv = adapter_to_pwrctl(padapter); pmlmepriv = &padapter->mlmepriv; psdpriv = padapter->dvobj; pdbgpriv = &psdpriv->drv_dbg; /* interface init */ /* if (sdio_init(adapter_to_dvobj(padapter)) != _SUCCESS) */ if ((padapter->intf_init) && (padapter->intf_init(adapter_to_dvobj(padapter)) != _SUCCESS)) { ret = -1; goto exit; } rtw_hal_disable_interrupt(padapter); /* if (sdio_alloc_irq(adapter_to_dvobj(padapter)) != _SUCCESS) */ if ((padapter->intf_alloc_irq) && (padapter->intf_alloc_irq(adapter_to_dvobj(padapter)) != _SUCCESS)) { ret = -1; goto exit; } rtw_reset_drv_sw(padapter); pwrpriv->bkeepfwalive = false; if (pm_netdev_open(pnetdev, true) != 0) { ret = -1; pdbgpriv->dbg_resume_error_cnt++; goto exit; } netif_device_attach(pnetdev); netif_carrier_on(pnetdev); if (padapter->pid[1] != 0) rtw_signal_process(padapter->pid[1], SIGUSR2); if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)) { if (rtw_chk_roam_flags(padapter, RTW_ROAM_ON_RESUME)) rtw_roaming(padapter, NULL); } else if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) { rtw_ap_restore_network(padapter); } exit: return ret; } int rtw_resume_common(struct adapter *padapter) { int ret = 0; unsigned long start_time = jiffies; struct pwrctrl_priv *pwrpriv = adapter_to_pwrctl(padapter); netdev_dbg(padapter->pnetdev, "resume start\n"); rtw_resume_process_normal(padapter); hal_btcoex_SuspendNotify(padapter, 0); if (pwrpriv) { pwrpriv->bInSuspend = false; } netdev_dbg(padapter->pnetdev, "%s:%d in %d ms\n", __func__, ret, jiffies_to_msecs(jiffies - start_time)); return ret; }