int netdev_open(struct net_device *ndev)
{
int ret;
int _unused;
struct rtl_priv *rtlpriv = rtl_priv(ndev);
/* ULLI: orignal driver doesn't use the return value */
_unused = mutex_lock_interruptible(&(rtl_usbdev(rtlpriv)->hw_init_mutex));
ret = _netdev_open(ndev);
mutex_unlock(&(rtl_usbdev(rtlpriv)->hw_init_mutex));
return ret;
}
/*======================= tx =========================================*/
static void rtl_usb_cleanup(struct ieee80211_hw *hw)
{
u32 i;
struct sk_buff *_skb;
struct rtl_usb *rtlusb = rtl_usbdev(rtl_usbpriv(hw));
struct ieee80211_tx_info *txinfo;
SET_USB_STOP(rtlusb);
/* clean up rx stuff. */
_rtl_usb_cleanup_rx(hw);
/* clean up tx stuff */
for (i = 0; i < RTL_USB_MAX_EP_NUM; i++) {
while ((_skb = skb_dequeue(&rtlusb->tx_skb_queue[i]))) {
rtlusb->usb_tx_cleanup(hw, _skb);
txinfo = IEEE80211_SKB_CB(_skb);
ieee80211_tx_info_clear_status(txinfo);
txinfo->flags |= IEEE80211_TX_STAT_ACK;
ieee80211_tx_status_irqsafe(hw, _skb);
}
usb_kill_anchored_urbs(&rtlusb->tx_pending[i]);
}
usb_kill_anchored_urbs(&rtlusb->tx_submitted);
}
//
// Description: Leave all power save mode: LPS, FwLPS, IPS if needed.
// Move code to function by tynli. 2010.03.26.
//
void LeaveAllPowerSaveMode(IN struct rtl_priv *rtlpriv)
{
struct mlme_priv *pmlmepriv = &(rtlpriv->mlmepriv);
uint8_t enqueue = 0;
//DBG_871X("%s.....\n",__FUNCTION__);
if (check_fwstate(pmlmepriv, _FW_LINKED) == _TRUE)
{ //connect
rtw_lps_ctrl_wk_cmd(rtlpriv, LPS_CTRL_LEAVE, enqueue);
} else {
if(rtlpriv->pwrctrlpriv.rf_pwrstate== rf_off) {
#ifdef CONFIG_AUTOSUSPEND
if(rtlpriv->registrypriv.usbss_enable) {
usb_disable_autosuspend(rtl_usbdev(rtlpriv)->pusbdev);
} else
#endif
{
}
}
}
}
static int _rtl_usb_init_tx(struct ieee80211_hw *hw)
{
u32 i;
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_usb *rtlusb = rtl_usbdev(rtl_usbpriv(hw));
rtlusb->max_bulk_out_size = IS_HIGH_SPEED_USB(rtlusb->udev)
? USB_HIGH_SPEED_BULK_SIZE
: USB_FULL_SPEED_BULK_SIZE;
RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, "USB Max Bulk-out Size=%d\n",
rtlusb->max_bulk_out_size);
for (i = 0; i < __RTL_TXQ_NUM; i++) {
u32 ep_num = rtlusb->ep_map.ep_mapping[i];
if (!ep_num) {
RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG,
"Invalid endpoint map setting!\n");
return -EINVAL;
}
}
rtlusb->usb_tx_post_hdl =
rtlpriv->cfg->usb_interface_cfg->usb_tx_post_hdl;
rtlusb->usb_tx_cleanup =
rtlpriv->cfg->usb_interface_cfg->usb_tx_cleanup;
rtlusb->usb_tx_aggregate_hdl =
(rtlpriv->cfg->usb_interface_cfg->usb_tx_aggregate_hdl)
? rtlpriv->cfg->usb_interface_cfg->usb_tx_aggregate_hdl
: &_none_usb_tx_aggregate_hdl;
init_usb_anchor(&rtlusb->tx_wait);
init_usb_anchor(&rtlusb->tx_submitted);
return 0;
}
static void rtl_usb_stop(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
struct rtl_usb *rtlusb = rtl_usbdev(rtl_usbpriv(hw));
struct urb *urb;
/* should after adapter start and interrupt enable. */
set_hal_stop(rtlhal);
cancel_work_sync(&rtlpriv->works.fill_h2c_cmd);
/* Enable software */
SET_USB_STOP(rtlusb);
rtl_usb_deinit(hw);
/* free pre-allocated URBs from rtl_usb_start() */
usb_kill_anchored_urbs(&rtlusb->rx_submitted);
tasklet_kill(&rtlusb->rx_work_tasklet);
cancel_work_sync(&rtlpriv->works.lps_change_work);
flush_workqueue(rtlpriv->works.rtl_wq);
skb_queue_purge(&rtlusb->rx_queue);
while ((urb = usb_get_from_anchor(&rtlusb->rx_cleanup_urbs))) {
usb_free_coherent(urb->dev, urb->transfer_buffer_length,
urb->transfer_buffer, urb->transfer_dma);
usb_free_urb(urb);
}
rtlpriv->cfg->ops->hw_disable(hw);
}
static int _rtl_usb_init_rx(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_usb_priv *usb_priv = rtl_usbpriv(hw);
struct rtl_usb *rtlusb = rtl_usbdev(usb_priv);
rtlusb->rx_max_size = rtlpriv->cfg->usb_interface_cfg->rx_max_size;
rtlusb->rx_urb_num = rtlpriv->cfg->usb_interface_cfg->rx_urb_num;
rtlusb->in_ep = rtlpriv->cfg->usb_interface_cfg->in_ep;
rtlusb->in_ep_nums = rtlpriv->cfg->usb_interface_cfg->in_ep_num;
rtlusb->usb_rx_hdl = rtlpriv->cfg->usb_interface_cfg->usb_rx_hdl ?
rtlpriv->cfg->usb_interface_cfg->usb_rx_hdl : _rtl_usb_rx_hdl;
rtlusb->usb_rx_segregate_hdl =
rtlpriv->cfg->usb_interface_cfg->usb_rx_segregate_hdl;
pr_info("rx_max_size %d, rx_urb_num %d, in_ep %d\n",
rtlusb->rx_max_size, rtlusb->rx_urb_num, rtlusb->in_ep);
init_usb_anchor(&rtlusb->rx_submitted);
init_usb_anchor(&rtlusb->rx_cleanup_urbs);
skb_queue_head_init(&rtlusb->rx_queue);
rtlusb->rx_work_tasklet.func = _rtl_rx_work;
rtlusb->rx_work_tasklet.data = (unsigned long)rtlusb;
return 0;
}
static void rtl_usb_tx_schedule(struct ieee80211_hw *hw)
{
struct rtl_usb *rtlusb = rtl_usbdev(rtl_usbpriv(hw));
struct urb *urb;
int err;
if (atomic_inc_return(&rtlusb->tx_pending_urbs) >
RTL_USB_MAX_TX_URBS_NUM)
goto err_acc;
urb = usb_get_from_anchor(&rtlusb->tx_wait);
if (!urb)
goto err_acc;
err = _rtl_submit_tx_urb(hw, urb);
if (err) {
WARN_ONCE(err, "can't handle urb submit error %d", err);
usb_unanchor_urb(urb);
dev_kfree_skb_irq(urb->context);
}
if (likely(err == 0))
return;
err_acc:
atomic_dec(&rtlusb->tx_pending_urbs);
}
void rtl_usb_disconnect(struct usb_interface *intf)
{
struct ieee80211_hw *hw = usb_get_intfdata(intf);
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_mac *rtlmac = rtl_mac(rtl_priv(hw));
struct rtl_usb *rtlusb = rtl_usbdev(rtl_usbpriv(hw));
if (unlikely(!rtlpriv))
return;
/* just in case driver is removed before firmware callback */
wait_for_completion(&rtlpriv->firmware_loading_complete);
/*ieee80211_unregister_hw will call ops_stop */
if (rtlmac->mac80211_registered == 1) {
ieee80211_unregister_hw(hw);
rtlmac->mac80211_registered = 0;
} else {
rtl_deinit_deferred_work(hw);
rtlpriv->intf_ops->adapter_stop(hw);
}
/*deinit rfkill */
/* rtl_deinit_rfkill(hw); */
rtl_usb_deinit(hw);
rtl_deinit_core(hw);
kfree(rtlpriv->usb_data);
rtlpriv->cfg->ops->deinit_sw_leds(hw);
rtlpriv->cfg->ops->deinit_sw_vars(hw);
_rtl_usb_io_handler_release(hw);
usb_put_dev(rtlusb->udev);
usb_set_intfdata(intf, NULL);
ieee80211_free_hw(hw);
}
static int rtl_usb_tx(struct ieee80211_hw *hw,
struct ieee80211_sta *sta,
struct sk_buff *skb,
struct rtl_tcb_desc *tcb_desc)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_usb *rtlusb = rtl_usbdev(rtl_usbpriv(hw));
struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)(skb->data);
__le16 fc = hdr->frame_control;
u16 hw_queue;
if (unlikely(IS_USB_STOP(rtlusb)) &&
tcb_desc->cmd_or_init != DESC_PACKET_TYPE_INIT) {
RT_TRACE(rtlpriv, COMP_USB, DBG_EMERG,
"USB device is stopping...\n");
goto err_free;
}
if (unlikely(is_hal_stop(rtlhal)))
goto err_free;
hw_queue = rtlusb->usb_mq_to_hwq(fc, skb_get_queue_mapping(skb));
_rtl_usb_tx_preprocess(hw, sta, skb, hw_queue);
rtl_usb_transmit(hw, skb, hw_queue);
return NETDEV_TX_OK;
err_free:
dev_kfree_skb_any(skb);
return NETDEV_TX_OK;
}
static void _rtl_usb_transmit(struct ieee80211_hw *hw, struct sk_buff *skb,
enum rtl_txq qnum)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_usb *rtlusb = rtl_usbdev(rtl_usbpriv(hw));
u32 ep_num;
struct urb *_urb = NULL;
struct sk_buff *_skb = NULL;
struct sk_buff_head *skb_list;
struct usb_anchor *urb_list;
WARN_ON(NULL == rtlusb->usb_tx_aggregate_hdl);
if (unlikely(IS_USB_STOP(rtlusb))) {
RT_TRACE(rtlpriv, COMP_USB, DBG_EMERG,
"USB device is stopping...\n");
kfree_skb(skb);
return;
}
ep_num = rtlusb->ep_map.ep_mapping[qnum];
skb_list = &rtlusb->tx_skb_queue[ep_num];
_skb = skb;
_urb = _rtl_usb_tx_urb_setup(hw, _skb, ep_num);
if (unlikely(!_urb)) {
RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
"Can't allocate urb. Drop skb!\n");
return;
}
urb_list = &rtlusb->tx_pending[ep_num];
_rtl_submit_tx_urb(hw, _urb);
}
static void rtl_usb_stop(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
struct rtl_usb *rtlusb = rtl_usbdev(rtl_usbpriv(hw));
/* should after adapter start and interrupt enable. */
set_hal_stop(rtlhal);
/* Enable software */
SET_USB_STOP(rtlusb);
rtlpriv->cfg->ops->hw_disable(hw);
}
static void rtl_usb_stop(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
struct rtl_usb *rtlusb = rtl_usbdev(rtl_usbpriv(hw));
set_hal_stop(rtlhal);
SET_USB_STOP(rtlusb);
rtl_usb_deinit(hw);
rtlpriv->cfg->ops->hw_disable(hw);
}
static u32 usb_bulkout_zero(struct rtl_priv *rtlpriv, u32 addr)
{
int pipe, status, len;
u32 ret;
unsigned char *pbuf;
struct zero_bulkout_context *pcontext;
PURB purb = NULL;
struct rtl_usb *pdvobj = rtl_usbdev(rtlpriv);
struct usb_device *pusbd = pdvobj->udev;
/* DBG_871X("%s\n", __func__); */
if((rtlpriv->bDriverStopped) || (rtlpriv->bSurpriseRemoved) ||(rtlpriv->pwrctrlpriv.pnp_bstop_trx)) {
return _FAIL;
}
pcontext = (struct zero_bulkout_context *)rtw_zmalloc(sizeof(struct zero_bulkout_context));
pbuf = (unsigned char *)rtw_zmalloc(sizeof(int));
purb = usb_alloc_urb(0, GFP_ATOMIC);
len = 0;
pcontext->pbuf = pbuf;
pcontext->purb = purb;
pcontext->pirp = NULL;
pcontext->rtlpriv = rtlpriv;
/*
* translate DMA FIFO addr to pipehandle
* pipe = ffaddr2pipehdl(pdvobj, addr);
*/
usb_fill_bulk_urb(purb, pusbd, pipe,
pbuf,
len,
usb_bulkout_zero_complete,
pcontext); /* context is pcontext */
status = usb_submit_urb(purb, GFP_ATOMIC);
if (!status) {
ret= _SUCCESS;
} else {
ret= _FAIL;
}
return _SUCCESS;
}
static void _rtl_rx_pre_process(struct ieee80211_hw *hw, struct sk_buff *skb)
{
struct sk_buff *_skb;
struct sk_buff_head rx_queue;
struct rtl_usb *rtlusb = rtl_usbdev(rtl_usbpriv(hw));
skb_queue_head_init(&rx_queue);
if (rtlusb->usb_rx_segregate_hdl)
rtlusb->usb_rx_segregate_hdl(hw, skb, &rx_queue);
WARN_ON(skb_queue_empty(&rx_queue));
while (!skb_queue_empty(&rx_queue)) {
_skb = skb_dequeue(&rx_queue);
_rtl_usb_rx_process_noagg(hw, _skb);
}
}
/*======================= tx =========================================*/
static void rtl_usb_cleanup(struct ieee80211_hw *hw)
{
struct rtl_usb *rtlusb = rtl_usbdev(rtl_usbpriv(hw));
struct urb *urb;
/* clean up rx stuff. */
_rtl_usb_cleanup_rx(hw);
/* clean up tx stuff */
usb_kill_anchored_urbs(&rtlusb->tx_submitted);
while ((urb = usb_get_from_anchor(&rtlusb->tx_wait))) {
kfree_skb(urb->context);
usb_free_urb(urb);
}
usb_kill_anchored_urbs(&rtlusb->tx_submitted);
}
static int _usb_tx_post(struct ieee80211_hw *hw, struct urb *urb,
struct sk_buff *skb)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_usb *rtlusb = rtl_usbdev(rtl_usbpriv(hw));
rtlusb->usb_tx_post_hdl(hw, urb, skb);
skb_pull(skb, RTL_TX_HEADER_SIZE);
if (urb->status) {
RT_TRACE(rtlpriv, COMP_USB, DBG_EMERG,
"Urb has error status 0x%X\n", urb->status);
goto out;
}
rtl_tx_status(hw, skb);
out:
return urb->status;
}
static struct urb *_rtl_usb_tx_urb_setup(struct ieee80211_hw *hw,
struct sk_buff *skb, u32 ep_num)
{
struct rtl_usb *rtlusb = rtl_usbdev(rtl_usbpriv(hw));
struct urb *_urb;
WARN_ON(NULL == skb);
_urb = usb_alloc_urb(0, GFP_ATOMIC);
if (!_urb) {
kfree_skb(skb);
return NULL;
}
_rtl_install_trx_info(rtlusb, skb, ep_num);
usb_fill_bulk_urb(_urb, rtlusb->udev, usb_sndbulkpipe(rtlusb->udev,
ep_num), skb->data, skb->len, _rtl_tx_complete, skb);
_urb->transfer_flags |= URB_ZERO_PACKET;
return _urb;
}
static int _rtl_usb_init_rx(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_usb_priv *usb_priv = rtl_usbpriv(hw);
struct rtl_usb *rtlusb = rtl_usbdev(usb_priv);
rtlusb->rx_max_size = rtlpriv->cfg->usb_interface_cfg->rx_max_size;
rtlusb->rx_urb_num = rtlpriv->cfg->usb_interface_cfg->rx_urb_num;
rtlusb->in_ep = rtlpriv->cfg->usb_interface_cfg->in_ep_num;
rtlusb->usb_rx_hdl = rtlpriv->cfg->usb_interface_cfg->usb_rx_hdl;
rtlusb->usb_rx_segregate_hdl =
rtlpriv->cfg->usb_interface_cfg->usb_rx_segregate_hdl;
pr_info("rx_max_size %d, rx_urb_num %d, in_ep %d\n",
rtlusb->rx_max_size, rtlusb->rx_urb_num, rtlusb->in_ep);
init_usb_anchor(&rtlusb->rx_submitted);
return 0;
}
void rtl92c_enable_interrupt(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
struct rtl_usb *rtlusb = rtl_usbdev(rtl_usbpriv(hw));
if (IS_HARDWARE_TYPE_8192CE(rtlhal)) {
rtl_write_dword(rtlpriv, REG_HIMR, rtlpci->irq_mask[0] &
0xFFFFFFFF);
rtl_write_dword(rtlpriv, REG_HIMRE, rtlpci->irq_mask[1] &
0xFFFFFFFF);
} else {
rtl_write_dword(rtlpriv, REG_HIMR, rtlusb->irq_mask[0] &
0xFFFFFFFF);
rtl_write_dword(rtlpriv, REG_HIMRE, rtlusb->irq_mask[1] &
0xFFFFFFFF);
}
}
static void _rtl_submit_tx_urb(struct ieee80211_hw *hw, struct urb *_urb)
{
int err;
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_usb *rtlusb = rtl_usbdev(rtl_usbpriv(hw));
usb_anchor_urb(_urb, &rtlusb->tx_submitted);
err = usb_submit_urb(_urb, GFP_ATOMIC);
if (err < 0) {
struct sk_buff *skb;
RT_TRACE(rtlpriv, COMP_USB, DBG_EMERG,
"Failed to submit urb\n");
usb_unanchor_urb(_urb);
skb = (struct sk_buff *)_urb->context;
kfree_skb(skb);
}
usb_free_urb(_urb);
}
static int rtl_usb_tx(struct ieee80211_hw *hw, struct sk_buff *skb,
struct rtl_tcb_desc *dummy)
{
struct rtl_usb *rtlusb = rtl_usbdev(rtl_usbpriv(hw));
struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)(skb->data);
__le16 fc = hdr->frame_control;
u16 hw_queue;
if (unlikely(is_hal_stop(rtlhal)))
goto err_free;
hw_queue = rtlusb->usb_mq_to_hwq(fc, skb_get_queue_mapping(skb));
_rtl_usb_tx_preprocess(hw, skb, hw_queue);
_rtl_usb_transmit(hw, skb, hw_queue);
return NETDEV_TX_OK;
err_free:
dev_kfree_skb_any(skb);
return NETDEV_TX_OK;
}
static int _rtl_usb_init(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_usb_priv *usb_priv = rtl_usbpriv(hw);
struct rtl_usb *rtlusb = rtl_usbdev(usb_priv);
int err;
u8 epidx;
struct usb_interface *usb_intf = rtlusb->intf;
u8 epnums = usb_intf->cur_altsetting->desc.bNumEndpoints;
rtlusb->out_ep_nums = rtlusb->in_ep_nums = 0;
rtlusb->epnums = epnums;
for (epidx = 0; epidx < epnums; epidx++) {
struct usb_endpoint_descriptor *pep_desc;
pep_desc = &usb_intf->cur_altsetting->endpoint[epidx].desc;
if (usb_endpoint_dir_in(pep_desc))
rtlusb->in_ep_nums++;
else if (usb_endpoint_dir_out(pep_desc))
rtlusb->out_ep_nums++;
RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG,
"USB EP(0x%02x), MaxPacketSize=%d, Interval=%d\n",
pep_desc->bEndpointAddress, pep_desc->wMaxPacketSize,
pep_desc->bInterval);
}
if (rtlusb->in_ep_nums < rtlpriv->cfg->usb_interface_cfg->in_ep_num) {
pr_err("Too few input end points found\n");
return -EINVAL;
}
if (rtlusb->out_ep_nums == 0) {
pr_err("No output end points found\n");
return -EINVAL;
}
/* usb endpoint mapping */
err = rtlpriv->cfg->usb_interface_cfg->usb_endpoint_mapping(hw);
rtlusb->usb_mq_to_hwq = rtlpriv->cfg->usb_interface_cfg->usb_mq_to_hwq;
_rtl_usb_init_tx(hw);
_rtl_usb_init_rx(hw);
return err;
}
static void rtl_usb_unbind(struct ieee80211_hw *hw)
{
struct rtl_usb *rtlusb = rtl_usbdev(rtl_usbpriv(hw));
struct device *parent = rtlusb->udev->dev.parent;
struct usb_device *udev;
/* Store a copy of the usb_device pointer locally.
* This is because device_release_driver initiates
* rtl_usb_disconnect, which in turn frees our
* driver context (rtl_priv).
*/
udev = rtlusb->udev;
/* unbind anything failed */
if (parent)
device_lock(parent);
device_release_driver(&udev->dev);
if (parent)
device_unlock(parent);
}
static void _rtl_usb_cleanup_rx(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_usb *rtlusb = rtl_usbdev(rtl_usbpriv(hw));
struct urb *urb;
usb_kill_anchored_urbs(&rtlusb->rx_submitted);
tasklet_kill(&rtlusb->rx_work_tasklet);
cancel_work_sync(&rtlpriv->works.lps_change_work);
flush_workqueue(rtlpriv->works.rtl_wq);
destroy_workqueue(rtlpriv->works.rtl_wq);
skb_queue_purge(&rtlusb->rx_queue);
while ((urb = usb_get_from_anchor(&rtlusb->rx_cleanup_urbs))) {
usb_free_coherent(urb->dev, urb->transfer_buffer_length,
urb->transfer_buffer, urb->transfer_dma);
usb_free_urb(urb);
}
}
static int _rtl_usb_receive(struct ieee80211_hw *hw)
{
struct urb *urb;
int err;
int i;
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_usb *rtlusb = rtl_usbdev(rtl_usbpriv(hw));
WARN_ON(0 == rtlusb->rx_urb_num);
/* 1600 == 1514 + max WLAN header + rtk info */
WARN_ON(rtlusb->rx_max_size < 1600);
for (i = 0; i < rtlusb->rx_urb_num; i++) {
err = -ENOMEM;
urb = usb_alloc_urb(0, GFP_KERNEL);
if (!urb)
goto err_out;
err = _rtl_prep_rx_urb(hw, rtlusb, urb, GFP_KERNEL);
if (err < 0) {
RT_TRACE(rtlpriv, COMP_USB, DBG_EMERG,
"Failed to prep_rx_urb!!\n");
usb_free_urb(urb);
goto err_out;
}
usb_anchor_urb(urb, &rtlusb->rx_submitted);
err = usb_submit_urb(urb, GFP_KERNEL);
if (err)
goto err_out;
usb_free_urb(urb);
}
return 0;
err_out:
usb_kill_anchored_urbs(&rtlusb->rx_submitted);
_rtl_usb_cleanup_rx(hw);
return err;
}
static int _usb_tx_post(struct ieee80211_hw *hw, struct urb *urb,
struct sk_buff *skb)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_usb *rtlusb = rtl_usbdev(rtl_usbpriv(hw));
struct ieee80211_tx_info *txinfo;
rtlusb->usb_tx_post_hdl(hw, urb, skb);
skb_pull(skb, RTL_TX_HEADER_SIZE);
txinfo = IEEE80211_SKB_CB(skb);
ieee80211_tx_info_clear_status(txinfo);
txinfo->flags |= IEEE80211_TX_STAT_ACK;
if (urb->status) {
RT_TRACE(rtlpriv, COMP_USB, DBG_EMERG,
"Urb has error status 0x%X\n", urb->status);
goto out;
}
/* TODO: statistics */
out:
ieee80211_tx_status_irqsafe(hw, skb);
return urb->status;
}
static int rtl_usb_start(struct ieee80211_hw *hw)
{
int err;
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
struct rtl_usb *rtlusb = rtl_usbdev(rtl_usbpriv(hw));
err = rtlpriv->cfg->ops->hw_init(hw);
if (!err) {
atomic_set(&rtlusb->tx_pending_urbs, 0);
rtl_init_rx_config(hw);
/* Enable software */
SET_USB_START(rtlusb);
/* should after adapter start and interrupt enable. */
set_hal_start(rtlhal);
/* Start bulk IN */
err = _rtl_usb_receive(hw);
}
return err;
}
static void rtl_usb_init_sw(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_mac *mac = rtl_mac(rtlpriv);
struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
struct rtl_ps_ctl *ppsc = rtl_psc(rtlpriv);
struct rtl_usb *rtlusb = rtl_usbdev(rtl_usbpriv(rtlpriv));
rtlhal->hw = hw;
ppsc->inactiveps = false;
ppsc->leisure_ps = false;
ppsc->fwctrl_lps = false;
ppsc->reg_fwctrl_lps = 3;
ppsc->reg_max_lps_awakeintvl = 5;
ppsc->fwctrl_psmode = FW_PS_DTIM_MODE;
/* IBSS */
mac->beacon_interval = 100;
/* AMPDU */
mac->min_space_cfg = 0;
mac->max_mss_density = 0;
/* set sane AMPDU defaults */
mac->current_ampdu_density = 7;
mac->current_ampdu_factor = 3;
/* QOS */
rtlusb->acm_method = EACMWAY2_SW;
/* IRQ */
/* HIMR - turn all on */
rtlusb->irq_mask[0] = 0xFFFFFFFF;
/* HIMR_EX - turn all on */
rtlusb->irq_mask[1] = 0xFFFFFFFF;
rtlusb->disableHWSM = true;
}
int rtl_usb_transmit(struct ieee80211_hw *hw, struct sk_buff *skb,
enum rtl_txq qnum)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_usb *rtlusb = rtl_usbdev(rtl_usbpriv(hw));
u32 ep_num;
struct urb *_urb = NULL;
struct sk_buff *_skb = NULL;
WARN_ON(NULL == rtlusb->usb_tx_aggregate_hdl);
ep_num = rtlusb->ep_map.ep_mapping[qnum];
_skb = skb;
_urb = _rtl_usb_tx_urb_setup(hw, _skb, ep_num);
if (unlikely(!_urb)) {
RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
"Can't allocate urb. Drop skb!\n");
dev_kfree_skb_any(skb);
return -ENOMEM;
}
usb_anchor_urb(_urb, &rtlusb->tx_wait);
usb_free_urb(_urb);
rtl_usb_tx_schedule(hw);
return 0;
}
void rtl_usb_disconnect(struct usb_interface *intf)
{
struct ieee80211_hw *hw = usb_get_intfdata(intf);
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_usb *rtlusb = rtl_usbdev(rtl_usbpriv(hw));
if (unlikely(!rtlpriv))
return;
/* just in case driver is removed before firmware callback */
wait_for_completion(&rtlpriv->firmware_loading_complete);
clear_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status);
rtl_mac80211_deinit(hw);
rtl_usb_deinit(hw);
rtl_deinit_core(hw);
kfree(rtlpriv->usb_data);
rtlpriv->cfg->ops->deinit_sw_leds(hw);
rtlpriv->cfg->ops->deinit_sw_vars(hw);
_rtl_usb_io_handler_release(hw);
usb_put_dev(rtlusb->udev);
usb_set_intfdata(intf, NULL);
ieee80211_free_hw(hw);
}
