// SPDX-License-Identifier: GPL-2.0
/******************************************************************************
*
* Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
*
******************************************************************************/
#include <drv_types.h>
#include <hal_data.h>
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);
/* eth_hw_addr_set(pnetdev, addr->sa_data); */
/* 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_dbg(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));
strscpy(adapter->old_ifname, dev->name);
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;
eth_hw_addr_set(pnetdev, padapter->eeprompriv.mac_addr);
/* 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)
{
return ips_netdrv_open(padapter);
}
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;
}