wlan_src/mlan/mlan_11n_rxreorder.h

/** @file mlan_11n_rxreorder.h
 *
 *  @brief This file contains related macros, enum, and struct
 *  of 11n RxReordering functionalities
 *
 *  Copyright (C) 2008-2009, Marvell International Ltd. 
 *  All Rights Reserved
 */

/********************************************************
Change log:
    11/10/2008: initial version
********************************************************/

#ifndef _MLAN_11N_RXREORDER_H_
#define _MLAN_11N_RXREORDER_H_

/** Rx packet type for BAR */
#define PKT_TYPE_BAR 0xE7
/** Max value a TID can take = 2^12 = 4096 */
#define MAX_TID_VALUE			(2 << 11)
/** 2^11 = 2048 */
#define TWOPOW11			(2 << 10)

/** Tid Mask used for extracting TID from BlockAckParamSet */
#define BLOCKACKPARAM_TID_MASK		0x3C
/** Tid position in BlockAckParamSet */
#define BLOCKACKPARAM_TID_POS		2
/** WinSize Mask used for extracting WinSize from BlockAckParamSet */
#define BLOCKACKPARAM_WINSIZE_MASK	0xffc0
/** WinSize Mask used for extracting WinSize from BlockAckParamSet */
#define BLOCKACKPARAM_AMSDU_SUPP_MASK	0x1
/** WinSize position in BlockAckParamSet */
#define BLOCKACKPARAM_WINSIZE_POS	6
/** Position of TID in DelBA Param set */
#define DELBA_TID_POS			12
/** Position of INITIATOR in DelBA Param set */
#define DELBA_INITIATOR_POS		11
/** Reason code: Requested from peer STA as it does not want to use the mechanism */
#define REASON_CODE_STA_DONT_WANT	37
/** Reason code: Requested from peer STA due to timeout*/
#define REASON_CODE_STA_TIMEOUT		39
/** Type: send delba command */
#define TYPE_DELBA_SENT			1
/** Type: recieve delba command */
#define TYPE_DELBA_RECEIVE		2
/** Set Initiator Bit */
#define DELBA_INITIATOR(paramset)	(paramset = (paramset | (1 << 11)))
/** Reset Initiator Bit for recipient */
#define DELBA_RECIPIENT(paramset)	(paramset = (paramset & ~(1 << 11)))
/** Immediate block ack */
#define IMMEDIATE_BLOCK_ACK		0x2

/** ADDBA response status : Reject */
#define ADDBA_RSP_STATUS_REJECT 1
/** ADDBA response status : Accept */
#define ADDBA_RSP_STATUS_ACCEPT 0

mlan_status mlan_11n_rxreorder_pkt(void *priv, t_u16 seqNum, t_u16 tid,
                                   t_u8 * ta, t_u8 pkttype, void *payload);
void mlan_11n_delete_bastream_tbl(mlan_private * priv, int Tid,
                                  t_u8 * PeerMACAddr, t_u8 type, int initiator);
void wlan_11n_ba_stream_timeout(mlan_private * priv,
                                HostCmd_DS_11N_BATIMEOUT * event);
mlan_status wlan_ret_11n_addba_resp(mlan_private * priv,
                                    HostCmd_DS_COMMAND * resp);
mlan_status wlan_cmd_11n_delba(mlan_private * priv, HostCmd_DS_COMMAND * cmd,
                               void *pdata_buf);
mlan_status wlan_cmd_11n_addba_rspgen(mlan_private * priv,
                                      HostCmd_DS_COMMAND * cmd,
                                      void *pdata_buf);
mlan_status wlan_cmd_11n_addba_req(mlan_private * priv,
                                   HostCmd_DS_COMMAND * cmd, void *pdata_buf);
void wlan_11n_cleanup_reorder_tbl(mlan_private * priv);
RxReorderTbl *wlan_11n_get_rxreorder_tbl(mlan_private * priv, int tid,
                                         t_u8 * ta);

#endif /* _MLAN_11N_RXREORDER_H_ */