wlan_src/mlan/mlan_11n.h - chromiumos/third_party/marvell - Git at Google

 /** @file mlan_11n.h
  *
  *  @brief Interface for the 802.11n mlan_11n module implemented in mlan_11n.c
  *
  *  Driver interface functions and type declarations for the 11n module
  *    implemented in mlan_11n.c.
  *
  *  Copyright (C) 2008-2009, Marvell International Ltd.
  *  All Rights Reserved
  */

 /********************************************************
 Change log:
     12/01/2008: initial version
 ********************************************************/

 #ifndef _MLAN_11N_H_
 #define _MLAN_11N_H_

 #include "mlan_11n_aggr.h"
 #include "mlan_11n_rxreorder.h"
 #include "mlan_wmm.h"

 /** Print the 802.11n device capability */
 void wlan_show_dot11ndevcap(pmlan_adapter pmadapter, t_u32 cap);
 /** Print the 802.11n device MCS */
 void wlan_show_devmcssupport(pmlan_adapter pmadapter, t_u8 support);
 /** Handle the command response of a delete block ack request */
 mlan_status wlan_ret_11n_delba(mlan_private * priv, HostCmd_DS_COMMAND * resp);
 /** Handle the command response of an add block ack request */
 mlan_status wlan_ret_11n_addba_req(mlan_private * priv,
                                    HostCmd_DS_COMMAND * resp);
 /** Handle the command response of 11ncfg command */
 mlan_status wlan_ret_11n_cfg(IN pmlan_private pmpriv,
                              IN HostCmd_DS_COMMAND * resp,
                              IN mlan_ioctl_req * pioctl_buf);
 /** Prepare 11ncfg command */
 mlan_status wlan_cmd_11n_cfg(IN pmlan_private pmpriv,
                              IN HostCmd_DS_COMMAND * cmd, IN t_u16 cmd_action,
                              IN t_void * pdata_buf);
 /** Append the 802_11N tlv */
 int wlan_cmd_append_11n_tlv(IN mlan_private * pmpriv,
                             IN BSSDescriptor_t * pbss_desc,
                             OUT t_u8 ** ppbuffer);
 /** Reconfigure the tx buf size in firmware */
 void wlan_cfg_tx_buf(mlan_private * pmpriv, BSSDescriptor_t * pbss_desc);
 /** wlan fill cap info */
 void wlan_fill_cap_info(mlan_adapter * pmadapter,
                         MrvlIETypes_HTCap_t * pht_cap);
 /** Miscellaneous configuration handler */
 mlan_status wlan_11n_cfg_ioctl(IN pmlan_adapter pmadapter,
                                IN pmlan_ioctl_req pioctl_req);
 /** Delete Tx BA stream table entry */
 void wlan_11n_delete_txbastream_tbl_entry(mlan_private * priv,
                                           TxBAStreamTbl * ptx_tbl);
 /** Delete all Tx BA stream table entries */
 void wlan_11n_deleteall_txbastream_tbl(mlan_private * priv);
 /** Get Tx BA stream status */
 TxBAStreamTbl *wlan_11n_get_txbastream_status(mlan_private * priv,
                                               baStatus_e ba_status);
 /** Get Tx BA stream table */
 TxBAStreamTbl *wlan_11n_get_txbastream_tbl(mlan_private * priv, int tid,
                                            t_u8 * ra);
 /** Create Tx BA stream table */
 void wlan_11n_create_txbastream_tbl(mlan_private * priv, t_u8 * ra, int tid,
                                     baStatus_e ba_status);
 /** Send ADD BA request */
 int wlan_send_addba(mlan_private * priv, int tid, t_u8 * peer_mac);
 /** Send DEL BA request */
 int wlan_send_delba(mlan_private * priv, int tid, t_u8 * peer_mac,
                     int initiator);
 /** This function handles the command response of delete a block ack request*/
 void wlan_11n_delete_bastream(mlan_private * priv, t_u8 * del_ba);
 /** This function will resend addba request to all the peer in the TxBAStreamTbl */
 void wlan_11n_update_addba_request(mlan_private * priv);
 /** get rx reorder table */
 int wlan_get_rxreorder_tbl(mlan_private * priv, rx_reorder_tbl * buf);
 /** get tx ba stream table */
 int wlan_get_txbastream_tbl(mlan_private * priv, tx_ba_stream_tbl * buf);
 /** AMSDU Aggr control cmd resp */
 mlan_status wlan_ret_amsdu_aggr_ctrl(pmlan_private pmpriv,
                                      HostCmd_DS_COMMAND * resp,
                                      mlan_ioctl_req * pioctl_buf);
 /** reconfigure tx buf size */
 mlan_status wlan_cmd_recfg_tx_buf(mlan_private * priv,
                                   HostCmd_DS_COMMAND * cmd,
                                   int cmd_action, void *pdata_buf);
 /** AMSDU aggr control cmd */
 mlan_status wlan_cmd_amsdu_aggr_ctrl(mlan_private * priv,
                                      HostCmd_DS_COMMAND * cmd,
                                      int cmd_action, void *pdata_buf);

 /**
  *  @brief This function checks whether current BA stream is high priority or not
  *
  *  @param priv     A pointer to mlan_private
  *  @param tid	    TID
  *
  *  @return 	    MTRUE or MFALSE
  */
 static INLINE t_u8
 wlan_is_cur_bastream_high_prio(mlan_private * priv, int tid)
 {
     TxBAStreamTbl *ptx_tbl;

     ENTER();

     if (!
         (ptx_tbl =
          (TxBAStreamTbl *) util_peek_list(&priv->tx_ba_stream_tbl_ptr,
                                           priv->adapter->callbacks.
                                           moal_spin_lock,
                                           priv->adapter->callbacks.
                                           moal_spin_unlock)))
         return MNULL;

     while (ptx_tbl != (TxBAStreamTbl *) & priv->tx_ba_stream_tbl_ptr) {
         if (priv->aggr_prio_tbl[tid].ampdu_user >
             priv->aggr_prio_tbl[ptx_tbl->tid].ampdu_user) {
             LEAVE();
             return MTRUE;
         }

         ptx_tbl = ptx_tbl->pnext;
     }

     LEAVE();
     return MFALSE;
 }

 /**
  *  @brief This function checks whether AMPDU is allowed or not
  *
  *  @param priv     A pointer to mlan_private
  *  @param ptr      A pointer to RA list table
  *
  *  @return 	    MTRUE or MFALSE
  */
 static INLINE t_u8
 wlan_is_ampdu_allowed(mlan_private * priv, raListTbl * ptr)
 {
     return ((priv->aggr_prio_tbl[wlan_get_tid(priv->adapter, ptr)].ampdu_ap
              != BA_STREAM_NOT_ALLOWED) ? MTRUE : MFALSE);
 }

 /**
  *  @brief This function checks whether AMSDU is allowed or not
  *
  *  @param priv     A pointer to mlan_private
  *  @param ptr      A pointer to RA list table
  *
  *  @return 	    MTRUE or MFALSE
  */
 static INLINE t_u8
 wlan_is_amsdu_allowed(mlan_private * priv, raListTbl * ptr)
 {
     return ((priv->aggr_prio_tbl[wlan_get_tid(priv->adapter, ptr)].amsdu
              != BA_STREAM_NOT_ALLOWED)
             ? MTRUE : MFALSE);
 }

 /**
  *  @brief This function checks whether a BA stream is available or not
  *
  *  @param priv     A pointer to mlan_private
  *
  *  @return 	    MTRUE or MFALSE
  */
 static INLINE t_u8
 wlan_is_bastream_avail(mlan_private * priv)
 {
     mlan_private *pmpriv = MNULL;
     t_u8 i = 0;
     t_u32 bastream_num = 0;
     for (i = 0; i < MLAN_MAX_BSS_NUM; i++) {
         pmpriv = priv->adapter->priv[i];
         bastream_num +=
             wlan_wmm_list_len(priv->adapter,
                               (pmlan_list_head) & pmpriv->tx_ba_stream_tbl_ptr);
     }
     return ((bastream_num < MLAN_MAX_BASTREAM_SUPPORTED) ? MTRUE : MFALSE);
 }

 /**
  *  @brief This function finds the stream to delete
  *
  *  @param priv     A pointer to mlan_private
  *  @param ptr      A pointer to RA list table
  *  @param ptid     A pointer to TID
  *  @param ra       RA
  *
  *  @return 	    MTRUE or MFALSE
  */
 static INLINE t_u8
 wlan_find_stream_to_delete(mlan_private * priv,
                            raListTbl * ptr, int *ptid, t_u8 * ra)
 {
     int tid;
     t_u8 ret = MFALSE;
     TxBAStreamTbl *ptx_tbl;

     ENTER();
     if (!
         (ptx_tbl =
          (TxBAStreamTbl *) util_peek_list(&priv->tx_ba_stream_tbl_ptr,
                                           priv->adapter->callbacks.
                                           moal_spin_lock,
                                           priv->adapter->callbacks.
                                           moal_spin_unlock))) {
         LEAVE();
         return ret;
     }

     tid = priv->aggr_prio_tbl[wlan_get_tid(priv->adapter, ptr)].ampdu_user;

     while (ptx_tbl != (TxBAStreamTbl *) & priv->tx_ba_stream_tbl_ptr) {
         if (tid > priv->aggr_prio_tbl[ptx_tbl->tid].ampdu_user) {
             tid = priv->aggr_prio_tbl[ptx_tbl->tid].ampdu_user;
             *ptid = ptx_tbl->tid;
             memcpy(ra, ptx_tbl->ra, MLAN_MAC_ADDR_LENGTH);
             ret = MTRUE;
         }

         ptx_tbl = ptx_tbl->pnext;
     }

     LEAVE();
     return ret;
 }

 /**
  *  @brief This function checks whether BA stream is setup
  *
  *  @param priv     A pointer to mlan_private
  *  @param ptr      A pointer to RA list table
  *
  *  @return 	    MTRUE or MFALSE
  */
 static int INLINE
 wlan_is_bastream_setup(mlan_private * priv, raListTbl * ptr)
 {
     TxBAStreamTbl *ptx_tbl;

     ENTER();

     if ((ptx_tbl = wlan_11n_get_txbastream_tbl(priv,
                                                wlan_get_tid(priv->adapter, ptr),
                                                ptr->ra))) {
         LEAVE();
         return IS_BASTREAM_SETUP(ptx_tbl) ? MTRUE : MFALSE;
     }

     LEAVE();
     return MFALSE;
 }

 /**
  *  @brief This function checks whether 11n is supported
  *
  *  @param priv     A pointer to mlan_private
  *  @param ra       Address of the receiver STA
  *
  *  @return 	    MTRUE or MFALSE
  */
 static int INLINE
 wlan_is_11n_enabled(mlan_private * priv, t_u8 * ra)
 {
     int ret = MFALSE;
     ENTER();
     LEAVE();
     return ret;
 }
 #endif /* !_MLAN_11N_H_ */
	/** @file mlan_11n.h
	*
	* @brief Interface for the 802.11n mlan_11n module implemented in mlan_11n.c
	*
	* Driver interface functions and type declarations for the 11n module
	* implemented in mlan_11n.c.
	*
	* Copyright (C) 2008-2009, Marvell International Ltd.
	* All Rights Reserved
	*/

	/********************************************************
	Change log:
	12/01/2008: initial version
	********************************************************/

	#ifndef _MLAN_11N_H_
	#define _MLAN_11N_H_

	#include "mlan_11n_aggr.h"
	#include "mlan_11n_rxreorder.h"
	#include "mlan_wmm.h"

	/** Print the 802.11n device capability */
	void wlan_show_dot11ndevcap(pmlan_adapter pmadapter, t_u32 cap);
	/** Print the 802.11n device MCS */
	void wlan_show_devmcssupport(pmlan_adapter pmadapter, t_u8 support);
	/** Handle the command response of a delete block ack request */
	mlan_status wlan_ret_11n_delba(mlan_private * priv, HostCmd_DS_COMMAND * resp);
	/** Handle the command response of an add block ack request */
	mlan_status wlan_ret_11n_addba_req(mlan_private * priv,
	HostCmd_DS_COMMAND * resp);
	/** Handle the command response of 11ncfg command */
	mlan_status wlan_ret_11n_cfg(IN pmlan_private pmpriv,
	IN HostCmd_DS_COMMAND * resp,
	IN mlan_ioctl_req * pioctl_buf);
	/** Prepare 11ncfg command */
	mlan_status wlan_cmd_11n_cfg(IN pmlan_private pmpriv,
	IN HostCmd_DS_COMMAND * cmd, IN t_u16 cmd_action,
	IN t_void * pdata_buf);
	/** Append the 802_11N tlv */
	int wlan_cmd_append_11n_tlv(IN mlan_private * pmpriv,
	IN BSSDescriptor_t * pbss_desc,
	OUT t_u8 ** ppbuffer);
	/** Reconfigure the tx buf size in firmware */
	void wlan_cfg_tx_buf(mlan_private * pmpriv, BSSDescriptor_t * pbss_desc);
	/** wlan fill cap info */
	void wlan_fill_cap_info(mlan_adapter * pmadapter,
	MrvlIETypes_HTCap_t * pht_cap);
	/** Miscellaneous configuration handler */
	mlan_status wlan_11n_cfg_ioctl(IN pmlan_adapter pmadapter,
	IN pmlan_ioctl_req pioctl_req);
	/** Delete Tx BA stream table entry */
	void wlan_11n_delete_txbastream_tbl_entry(mlan_private * priv,
	TxBAStreamTbl * ptx_tbl);
	/** Delete all Tx BA stream table entries */
	void wlan_11n_deleteall_txbastream_tbl(mlan_private * priv);
	/** Get Tx BA stream status */
	TxBAStreamTbl wlan_11n_get_txbastream_status(mlan_private priv,
	baStatus_e ba_status);
	/** Get Tx BA stream table */
	TxBAStreamTbl wlan_11n_get_txbastream_tbl(mlan_private priv, int tid,
	t_u8 * ra);
	/** Create Tx BA stream table */
	void wlan_11n_create_txbastream_tbl(mlan_private * priv, t_u8 * ra, int tid,
	baStatus_e ba_status);
	/** Send ADD BA request */
	int wlan_send_addba(mlan_private * priv, int tid, t_u8 * peer_mac);
	/** Send DEL BA request */
	int wlan_send_delba(mlan_private * priv, int tid, t_u8 * peer_mac,
	int initiator);
	/** This function handles the command response of delete a block ack request*/
	void wlan_11n_delete_bastream(mlan_private * priv, t_u8 * del_ba);
	/** This function will resend addba request to all the peer in the TxBAStreamTbl */
	void wlan_11n_update_addba_request(mlan_private * priv);
	/** get rx reorder table */
	int wlan_get_rxreorder_tbl(mlan_private * priv, rx_reorder_tbl * buf);
	/** get tx ba stream table */
	int wlan_get_txbastream_tbl(mlan_private * priv, tx_ba_stream_tbl * buf);
	/** AMSDU Aggr control cmd resp */
	mlan_status wlan_ret_amsdu_aggr_ctrl(pmlan_private pmpriv,
	HostCmd_DS_COMMAND * resp,
	mlan_ioctl_req * pioctl_buf);
	/** reconfigure tx buf size */
	mlan_status wlan_cmd_recfg_tx_buf(mlan_private * priv,
	HostCmd_DS_COMMAND * cmd,
	int cmd_action, void *pdata_buf);
	/** AMSDU aggr control cmd */
	mlan_status wlan_cmd_amsdu_aggr_ctrl(mlan_private * priv,
	HostCmd_DS_COMMAND * cmd,
	int cmd_action, void *pdata_buf);

	/**
	* @brief This function checks whether current BA stream is high priority or not
	*
	* @param priv A pointer to mlan_private
	* @param tid TID
	*
	* @return MTRUE or MFALSE
	*/
	static INLINE t_u8
	wlan_is_cur_bastream_high_prio(mlan_private * priv, int tid)
	{
	TxBAStreamTbl *ptx_tbl;

	ENTER();

	if (!
	(ptx_tbl =
	(TxBAStreamTbl *) util_peek_list(&priv->tx_ba_stream_tbl_ptr,
	priv->adapter->callbacks.
	moal_spin_lock,
	priv->adapter->callbacks.
	moal_spin_unlock)))
	return MNULL;

	while (ptx_tbl != (TxBAStreamTbl *) & priv->tx_ba_stream_tbl_ptr) {
	if (priv->aggr_prio_tbl[tid].ampdu_user >
	priv->aggr_prio_tbl[ptx_tbl->tid].ampdu_user) {
	LEAVE();
	return MTRUE;
	}

	ptx_tbl = ptx_tbl->pnext;
	}

	LEAVE();
	return MFALSE;
	}

	/**
	* @brief This function checks whether AMPDU is allowed or not
	*
	* @param priv A pointer to mlan_private
	* @param ptr A pointer to RA list table
	*
	* @return MTRUE or MFALSE
	*/
	static INLINE t_u8
	wlan_is_ampdu_allowed(mlan_private * priv, raListTbl * ptr)
	{
	return ((priv->aggr_prio_tbl[wlan_get_tid(priv->adapter, ptr)].ampdu_ap
	!= BA_STREAM_NOT_ALLOWED) ? MTRUE : MFALSE);
	}

	/**
	* @brief This function checks whether AMSDU is allowed or not
	*
	* @param priv A pointer to mlan_private
	* @param ptr A pointer to RA list table
	*
	* @return MTRUE or MFALSE
	*/
	static INLINE t_u8
	wlan_is_amsdu_allowed(mlan_private * priv, raListTbl * ptr)
	{
	return ((priv->aggr_prio_tbl[wlan_get_tid(priv->adapter, ptr)].amsdu
	!= BA_STREAM_NOT_ALLOWED)
	? MTRUE : MFALSE);
	}

	/**
	* @brief This function checks whether a BA stream is available or not
	*
	* @param priv A pointer to mlan_private
	*
	* @return MTRUE or MFALSE
	*/
	static INLINE t_u8
	wlan_is_bastream_avail(mlan_private * priv)
	{
	mlan_private *pmpriv = MNULL;
	t_u8 i = 0;
	t_u32 bastream_num = 0;
	for (i = 0; i < MLAN_MAX_BSS_NUM; i++) {
	pmpriv = priv->adapter->priv[i];
	bastream_num +=
	wlan_wmm_list_len(priv->adapter,
	(pmlan_list_head) & pmpriv->tx_ba_stream_tbl_ptr);
	}
	return ((bastream_num < MLAN_MAX_BASTREAM_SUPPORTED) ? MTRUE : MFALSE);
	}

	/**
	* @brief This function finds the stream to delete
	*
	* @param priv A pointer to mlan_private
	* @param ptr A pointer to RA list table
	* @param ptid A pointer to TID
	* @param ra RA
	*
	* @return MTRUE or MFALSE
	*/
	static INLINE t_u8
	wlan_find_stream_to_delete(mlan_private * priv,
	raListTbl * ptr, int ptid, t_u8 ra)
	{
	int tid;
	t_u8 ret = MFALSE;
	TxBAStreamTbl *ptx_tbl;

	ENTER();
	if (!
	(ptx_tbl =
	(TxBAStreamTbl *) util_peek_list(&priv->tx_ba_stream_tbl_ptr,
	priv->adapter->callbacks.
	moal_spin_lock,
	priv->adapter->callbacks.
	moal_spin_unlock))) {
	LEAVE();
	return ret;
	}

	tid = priv->aggr_prio_tbl[wlan_get_tid(priv->adapter, ptr)].ampdu_user;

	while (ptx_tbl != (TxBAStreamTbl *) & priv->tx_ba_stream_tbl_ptr) {
	if (tid > priv->aggr_prio_tbl[ptx_tbl->tid].ampdu_user) {
	tid = priv->aggr_prio_tbl[ptx_tbl->tid].ampdu_user;
	*ptid = ptx_tbl->tid;
	memcpy(ra, ptx_tbl->ra, MLAN_MAC_ADDR_LENGTH);
	ret = MTRUE;
	}

	ptx_tbl = ptx_tbl->pnext;
	}

	LEAVE();
	return ret;
	}

	/**
	* @brief This function checks whether BA stream is setup
	*
	* @param priv A pointer to mlan_private
	* @param ptr A pointer to RA list table
	*
	* @return MTRUE or MFALSE
	*/
	static int INLINE
	wlan_is_bastream_setup(mlan_private * priv, raListTbl * ptr)
	{
	TxBAStreamTbl *ptx_tbl;

	ENTER();

	if ((ptx_tbl = wlan_11n_get_txbastream_tbl(priv,
	wlan_get_tid(priv->adapter, ptr),
	ptr->ra))) {
	LEAVE();
	return IS_BASTREAM_SETUP(ptx_tbl) ? MTRUE : MFALSE;
	}

	LEAVE();
	return MFALSE;
	}

	/**
	* @brief This function checks whether 11n is supported
	*
	* @param priv A pointer to mlan_private
	* @param ra Address of the receiver STA
	*
	* @return MTRUE or MFALSE
	*/
	static int INLINE
	wlan_is_11n_enabled(mlan_private * priv, t_u8 * ra)
	{
	int ret = MFALSE;
	ENTER();
	LEAVE();
	return ret;
	}
	#endif /* !_MLAN_11N_H_ */