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  • only in /netgear-R7000-V1.0.7.12_1.2.5/components/opensource/linux/linux-2.6.36/drivers/staging/otus/80211core/
1/*
2 * Copyright (c) 2007-2008 Atheros Communications Inc.
3 *
4 * Permission to use, copy, modify, and/or distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
7 *
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15 */
16
17#ifndef _PUB_USB_H
18#define _PUB_USB_H
19
20#include "../oal_dt.h"
21
22#define ZM_HAL_80211_MODE_AP              0
23#define ZM_HAL_80211_MODE_STA             1
24#define ZM_HAL_80211_MODE_IBSS_GENERAL    2
25#define ZM_HAL_80211_MODE_IBSS_WPA2PSK    3
26
27/* USB module description                                               */
28/* Queue Management                                                     */
29/* 80211core requires OAL to implement a transmission queue in OAL's    */
30/* USB module. Because there is only limited on-chip memory, so USB     */
31/* data transfer may be pending until on-chip memory is available.      */
32/* 80211core also requires OAL's USB module to provide two functions    */
33/* zfwUsbGetFreeTxQSize() and zfwUsbGetMaxTxQSize() for 80211core to    */
34/* query the status of this transmission queue. The main purpose of     */
35/* this queue is for QoS/WMM. Though there are hardware priority        */
36/* queues on the chip, and also software priority queues in the         */
37/* 80211core. There is still one and only one USB channel. So           */
38/* 80211core will use the information that zfwUsbGetFreeTxQSize()       */
39/* returned to schedule the traffic from the software priority          */
40/* queues to the hardware priority queues. For example, if 80211core    */
41/* found that USB transmission queue is going to be full, it will       */
42/* not allow packets with lower priority to enter the USB channel.      */
43
44
45/* Structure for USB call back functions */
46struct zfCbUsbFuncTbl {
47    void (*zfcbUsbRecv)(zdev_t *dev, zbuf_t *buf);
48    void (*zfcbUsbRegIn)(zdev_t* dev, u32_t* rsp, u16_t rspLen);
49    void (*zfcbUsbOutComplete)(zdev_t* dev, zbuf_t *buf, u8_t status, u8_t *hdr);
50    void (*zfcbUsbRegOutComplete)(zdev_t* dev);
51};
52
53/* Call back functions                                                  */
54/* Below are the functions that should be called by the OAL             */
55
56/* When data is available in endpoint 3, OAL shall embed the data in */
57/* zbuf_t and supply to 80211core by calling this function           */
58/* void (*zfcbUsbRecv)(zdev_t *dev, zbuf_t *buf); */
59
60/* When data is available in endpoint 2, OAL shall call this function */
61/* void (*zfcbUsbRegIn)(zdev_t* dev, u32_t* rsp, u16_t rspLen); */
62
63/* When USB data transfer completed in endpoint 1, OAL shall call this function */
64/* void (*zfcbUsbOutComplete)(zdev_t* dev, zbuf_t *buf, u8_t status, u8_t *hdr); */
65
66
67/* Call out functions                                                   */
68/* Below are the functions that supply by the OAL for 80211core to      */
69/* manipulate the USB                                                   */
70
71/* Return OAL's USB TxQ size */
72extern u32_t zfwUsbGetMaxTxQSize(zdev_t* dev);
73
74/* Return OAL's TxQ available size */
75extern u32_t zfwUsbGetFreeTxQSize(zdev_t* dev);
76
77/* Register call back function */
78extern void zfwUsbRegisterCallBack(zdev_t* dev, struct zfCbUsbFuncTbl *zfUsbFunc);
79
80/* Enable USB interrupt endpoint */
81extern u32_t zfwUsbEnableIntEpt(zdev_t *dev, u8_t endpt);
82
83/* Enable USB Rx endpoint */
84extern int zfwUsbEnableRxEpt(zdev_t* dev, u8_t endpt);
85
86/* 80211core call this function to send a USB request over endpoint 0 */
87extern u32_t zfwUsbSubmitControl(zdev_t* dev, u8_t req, u16_t value,
88        u16_t index, void *data, u32_t size);
89extern u32_t zfwUsbSubmitControlIo(zdev_t* dev, u8_t req, u8_t reqtype,
90        u16_t value, u16_t index, void *data, u32_t size);
91
92/* 80211core call this function to transfer data out over endpoint 1 */
93extern void zfwUsbCmd(zdev_t* dev, u8_t endpt, u32_t* cmd, u16_t cmdLen);
94
95/* 80211core call this function to transfer data out over endpoint 4 */
96extern u32_t zfwUsbSend(zdev_t* dev, u8_t endpt, u8_t *hdr, u16_t hdrlen, u8_t *snap, u16_t snapLen,
97                u8_t *tail, u16_t tailLen, zbuf_t *buf, u16_t offset);
98
99/* 80211core call this function to set USB configuration */
100extern u32_t zfwUsbSetConfiguration(zdev_t *dev, u16_t value);
101
102#endif
103