drivers/net/wireless/mwifiex/wmm.h

   1 /*
   2  * Marvell Wireless LAN device driver: WMM
   3  *
   4  * Copyright (C) 2011, Marvell International Ltd.
   5  *
   6  * This software file (the "File") is distributed by Marvell International
   7  * Ltd. under the terms of the GNU General Public License Version 2, June 1991
   8  * (the "License").  You may use, redistribute and/or modify this File in
   9  * accordance with the terms and conditions of the License, a copy of which
  10  * is available by writing to the Free Software Foundation, Inc.,
  11  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the
  12  * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
  13  *
  14  * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
  15  * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
  16  * ARE EXPRESSLY DISCLAIMED.  The License provides additional details about
  17  * this warranty disclaimer.
  18  */
  19
  20 #ifndef _MWIFIEX_WMM_H_
  21 #define _MWIFIEX_WMM_H_
  22
  23 enum ieee_types_wmm_aciaifsn_bitmasks {
  24         MWIFIEX_AIFSN = (BIT(0) | BIT(1) | BIT(2) | BIT(3)),
  25         MWIFIEX_ACM = BIT(4),
  26         MWIFIEX_ACI = (BIT(5) | BIT(6)),
  27 };
  28
  29 enum ieee_types_wmm_ecw_bitmasks {
  30         MWIFIEX_ECW_MIN = (BIT(0) | BIT(1) | BIT(2) | BIT(3)),
  31         MWIFIEX_ECW_MAX = (BIT(4) | BIT(5) | BIT(6) | BIT(7)),
  32 };
  33
  34 /*
  35  * This function retrieves the TID of the given RA list.
  36  */
  37 static inline int
  38 mwifiex_get_tid(struct mwifiex_ra_list_tbl *ptr)
  39 {
  40         struct sk_buff *skb;
  41
  42         if (skb_queue_empty(&ptr->skb_head))
  43                 return 0;
  44
  45         skb = skb_peek(&ptr->skb_head);
  46
  47         return skb->priority;
  48 }
  49
  50 /*
  51  * This function gets the length of a list.
  52  */
  53 static inline int
  54 mwifiex_wmm_list_len(struct list_head *head)
  55 {
  56         struct list_head *pos;
  57         int count = 0;
  58
  59         list_for_each(pos, head)
  60                 ++count;
  61
  62         return count;
  63 }
  64
  65 /*
  66  * This function checks if a RA list is empty or not.
  67  */
  68 static inline u8
  69 mwifiex_wmm_is_ra_list_empty(struct list_head *ra_list_hhead)
  70 {
  71         struct mwifiex_ra_list_tbl *ra_list;
  72         int is_list_empty;
  73
  74         list_for_each_entry(ra_list, ra_list_hhead, list) {
  75                 is_list_empty = skb_queue_empty(&ra_list->skb_head);
  76                 if (!is_list_empty)
  77                         return false;
  78         }
  79
  80         return true;
  81 }
  82
  83 void mwifiex_wmm_add_buf_txqueue(struct mwifiex_adapter *adapter,
  84                                  struct sk_buff *skb);
  85 void mwifiex_ralist_add(struct mwifiex_private *priv, u8 *ra);
  86
  87 int mwifiex_wmm_lists_empty(struct mwifiex_adapter *adapter);
  88 void mwifiex_wmm_process_tx(struct mwifiex_adapter *adapter);
  89 int mwifiex_is_ralist_valid(struct mwifiex_private *priv,
  90                             struct mwifiex_ra_list_tbl *ra_list, int tid);
  91
  92 u8 mwifiex_wmm_compute_drv_pkt_delay(struct mwifiex_private *priv,
  93                                              const struct sk_buff *skb);
  94 void mwifiex_wmm_init(struct mwifiex_adapter *adapter);
  95
  96 extern u32 mwifiex_wmm_process_association_req(struct mwifiex_private *priv,
  97                                                  u8 **assoc_buf,
  98                                                  struct ieee_types_wmm_parameter
  99                                                  *wmmie,
 100                                                  struct ieee80211_ht_cap
 101                                                  *htcap);
 102
 103 void mwifiex_wmm_setup_queue_priorities(struct mwifiex_private *priv,
 104                                         struct ieee_types_wmm_parameter
 105                                         *wmm_ie);
 106 void mwifiex_wmm_setup_ac_downgrade(struct mwifiex_private *priv);
 107 extern int mwifiex_ret_wmm_get_status(struct mwifiex_private *priv,
 108                                       const struct host_cmd_ds_command *resp);
 109
 110 #endif /* !_MWIFIEX_WMM_H_ */