コード例 #1
0
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;
}
コード例 #2
0
ファイル: fw.c プロジェクト: kyalipay/rtl8192su
static int _rtl92s_cmd_send_packet(struct ieee80211_hw *hw,
		struct sk_buff *skb, u8 last)
{
	struct rtl_priv *rtlpriv = rtl_priv(hw);
	struct rtl_tcb_desc *tcb_desc;
	u8 *pdesc;
	int err;

	pdesc = (u8 *)skb_push(skb, RTL_TX_HEADER_SIZE);
	rtlpriv->cfg->ops->fill_tx_cmddesc(hw, pdesc, 1, 1, skb);

	tcb_desc = (struct rtl_tcb_desc *)(skb->cb);
	err = rtl_usb_transmit(hw, skb, tcb_desc->queue_index,
				_rtl92s_cmd_complete);
	/*
	 * If an error occured in rtl_usb_transmit, the skb is
	 * being freed automatically.
	 */
	return err;
}