29bb7013a5
Move processing of received packets to tasklet from hard-irq context. Signed-off-by: Jussi Kivilinna <jussi.kivilinna@iki.fi> Signed-off-by: John W. Linville <linville@tuxdriver.com>
169 lines
4.6 KiB
C
169 lines
4.6 KiB
C
/******************************************************************************
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*
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* Copyright(c) 2009-2012 Realtek Corporation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of version 2 of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
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*
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* The full GNU General Public License is included in this distribution in the
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* file called LICENSE.
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*
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* Contact Information:
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* wlanfae <wlanfae@realtek.com>
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* Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
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* Hsinchu 300, Taiwan.
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*
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*****************************************************************************/
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#ifndef __RTL_USB_H__
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#define __RTL_USB_H__
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#include <linux/skbuff.h>
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#define RTL_RX_DESC_SIZE 24
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#define RTL_USB_DEVICE(vend, prod, cfg) \
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.match_flags = USB_DEVICE_ID_MATCH_DEVICE, \
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.idVendor = (vend), \
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.idProduct = (prod), \
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.driver_info = (kernel_ulong_t)&(cfg)
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#define USB_HIGH_SPEED_BULK_SIZE 512
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#define USB_FULL_SPEED_BULK_SIZE 64
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#define RTL_USB_MAX_TXQ_NUM 4 /* max tx queue */
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#define RTL_USB_MAX_EP_NUM 6 /* max ep number */
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#define RTL_USB_MAX_TX_URBS_NUM 8
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enum rtl_txq {
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/* These definitions shall be consistent with value
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* returned by skb_get_queue_mapping
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*------------------------------------*/
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RTL_TXQ_BK,
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RTL_TXQ_BE,
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RTL_TXQ_VI,
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RTL_TXQ_VO,
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/*------------------------------------*/
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RTL_TXQ_BCN,
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RTL_TXQ_MGT,
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RTL_TXQ_HI,
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/* Must be last */
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__RTL_TXQ_NUM,
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};
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struct rtl_ep_map {
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u32 ep_mapping[__RTL_TXQ_NUM];
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};
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struct _trx_info {
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struct rtl_usb *rtlusb;
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u32 ep_num;
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};
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static inline void _rtl_install_trx_info(struct rtl_usb *rtlusb,
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struct sk_buff *skb,
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u32 ep_num)
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{
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struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
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info->rate_driver_data[0] = rtlusb;
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info->rate_driver_data[1] = (void *)(__kernel_size_t)ep_num;
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}
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/* Add suspend/resume later */
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enum rtl_usb_state {
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USB_STATE_STOP = 0,
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USB_STATE_START = 1,
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};
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#define IS_USB_STOP(rtlusb_ptr) (USB_STATE_STOP == (rtlusb_ptr)->state)
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#define IS_USB_START(rtlusb_ptr) (USB_STATE_START == (rtlusb_ptr)->state)
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#define SET_USB_STOP(rtlusb_ptr) \
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do { \
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(rtlusb_ptr)->state = USB_STATE_STOP; \
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} while (0)
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#define SET_USB_START(rtlusb_ptr) \
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do { \
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(rtlusb_ptr)->state = USB_STATE_START; \
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} while (0)
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struct rtl_usb {
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struct usb_device *udev;
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struct usb_interface *intf;
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enum rtl_usb_state state;
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/* Bcn control register setting */
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u32 reg_bcn_ctrl_val;
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/* for 88/92cu card disable */
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u8 disableHWSM;
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/*QOS & EDCA */
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enum acm_method acm_method;
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/* irq . HIMR,HIMR_EX */
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u32 irq_mask[2];
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bool irq_enabled;
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u16 (*usb_mq_to_hwq)(__le16 fc, u16 mac80211_queue_index);
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/* Tx */
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u8 out_ep_nums ;
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u8 out_queue_sel;
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struct rtl_ep_map ep_map;
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u32 max_bulk_out_size;
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u32 tx_submitted_urbs;
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struct sk_buff_head tx_skb_queue[RTL_USB_MAX_EP_NUM];
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struct usb_anchor tx_pending[RTL_USB_MAX_EP_NUM];
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struct usb_anchor tx_submitted;
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struct sk_buff *(*usb_tx_aggregate_hdl)(struct ieee80211_hw *,
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struct sk_buff_head *);
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int (*usb_tx_post_hdl)(struct ieee80211_hw *,
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struct urb *, struct sk_buff *);
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void (*usb_tx_cleanup)(struct ieee80211_hw *, struct sk_buff *);
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/* Rx */
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u8 in_ep_nums;
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u32 in_ep; /* Bulk IN endpoint number */
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u32 rx_max_size; /* Bulk IN max buffer size */
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u32 rx_urb_num; /* How many Bulk INs are submitted to host. */
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struct usb_anchor rx_submitted;
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struct usb_anchor rx_cleanup_urbs;
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struct tasklet_struct rx_work_tasklet;
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struct sk_buff_head rx_queue;
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void (*usb_rx_segregate_hdl)(struct ieee80211_hw *, struct sk_buff *,
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struct sk_buff_head *);
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void (*usb_rx_hdl)(struct ieee80211_hw *, struct sk_buff *);
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};
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struct rtl_usb_priv {
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struct rtl_usb dev;
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struct rtl_led_ctl ledctl;
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};
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#define rtl_usbpriv(hw) (((struct rtl_usb_priv *)(rtl_priv(hw))->priv))
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#define rtl_usbdev(usbpriv) (&((usbpriv)->dev))
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int rtl_usb_probe(struct usb_interface *intf,
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const struct usb_device_id *id,
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struct rtl_hal_cfg *rtl92cu_hal_cfg);
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void rtl_usb_disconnect(struct usb_interface *intf);
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int rtl_usb_suspend(struct usb_interface *pusb_intf, pm_message_t message);
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int rtl_usb_resume(struct usb_interface *pusb_intf);
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#endif
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