text: /*
   * Marvell Wireless LAN device driver: WMM
   *
   * Copyright (C) 2011, Marvell International Ltd.
   *
   * This software file (the "File") is distributed by Marvell International
   * Ltd. under the terms of the GNU General Public License Version 2, June 1991
   * (the "License").  You may use, redistribute and/or modify this File in
   * accordance with the terms and conditions of the License, a copy of which
   * is available by writing to the Free Software Foundation, Inc.,
   * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the
   * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
   *
   * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
   * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
   * ARE EXPRESSLY DISCLAIMED.  The License provides additional details about
   * this warranty disclaimer.
   */
  
  #ifndef _MWIFIEX_WMM_H_
  #define _MWIFIEX_WMM_H_
  
  enum ieee_types_wmm_aciaifsn_bitmasks {
  	MWIFIEX_AIFSN = (BIT(0) | BIT(1) | BIT(2) | BIT(3)),
  	MWIFIEX_ACM = BIT(4),
  	MWIFIEX_ACI = (BIT(5) | BIT(6)),
  };
  
  enum ieee_types_wmm_ecw_bitmasks {
  	MWIFIEX_ECW_MIN = (BIT(0) | BIT(1) | BIT(2) | BIT(3)),
  	MWIFIEX_ECW_MAX = (BIT(4) | BIT(5) | BIT(6) | BIT(7)),
  };
  
  static const u16 mwifiex_1d_to_wmm_queue[8] = { 1, 0, 0, 1, 2, 2, 3, 3 };
  
  /*
   * This function retrieves the TID of the given RA list.
   */
  static inline int
  mwifiex_get_tid(struct mwifiex_ra_list_tbl *ptr)
  {
  	struct sk_buff *skb;
  
  	if (skb_queue_empty(&ptr->skb_head))
  		return 0;
  
  	skb = skb_peek(&ptr->skb_head);
  
  	return skb->priority;
  }
  
  /*
   * This function gets the length of a list.
   */
  static inline int
  mwifiex_wmm_list_len(struct list_head *head)
  {
  	struct list_head *pos;
  	int count = 0;
  
  	list_for_each(pos, head)
  		++count;
  
  	return count;
  }
  
  /*
   * This function checks if a RA list is empty or not.
   */
  static inline u8
  mwifiex_wmm_is_ra_list_empty(struct list_head *ra_list_hhead)
  {
  	struct mwifiex_ra_list_tbl *ra_list;
  	int is_list_empty;
  
  	list_for_each_entry(ra_list, ra_list_hhead, list) {
  		is_list_empty = skb_queue_empty(&ra_list->skb_head);
  		if (!is_list_empty)
  			return false;
  	}
  
  	return true;
  }
  
  void mwifiex_wmm_add_buf_txqueue(struct mwifiex_private *priv,
  				 struct sk_buff *skb);
  void mwifiex_ralist_add(struct mwifiex_private *priv, u8 *ra);
  void mwifiex_rotate_priolists(struct mwifiex_private *priv,
  			      struct mwifiex_ra_list_tbl *ra, int tid);
  
  int mwifiex_wmm_lists_empty(struct mwifiex_adapter *adapter);
  void mwifiex_wmm_process_tx(struct mwifiex_adapter *adapter);
  int mwifiex_is_ralist_valid(struct mwifiex_private *priv,
  			    struct mwifiex_ra_list_tbl *ra_list, int tid);
  
  u8 mwifiex_wmm_compute_drv_pkt_delay(struct mwifiex_private *priv,
  				     const struct sk_buff *skb);
  void mwifiex_wmm_init(struct mwifiex_adapter *adapter);
  
  u32 mwifiex_wmm_process_association_req(struct mwifiex_private *priv,
  					u8 **assoc_buf,
  					struct ieee_types_wmm_parameter *wmmie,
  					struct ieee80211_ht_cap *htcap);
  
  void mwifiex_wmm_setup_queue_priorities(struct mwifiex_private *priv,
  					struct ieee_types_wmm_parameter *wmm_ie);
  void mwifiex_wmm_setup_ac_downgrade(struct mwifiex_private *priv);
  int mwifiex_ret_wmm_get_status(struct mwifiex_private *priv,
  			       const struct host_cmd_ds_command *resp);
  
  #endif /* !_MWIFIEX_WMM_H_ */
  