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/drivers/net/wireless/mwifiex/wmm.h

http://github.com/mirrors/linux
C++ Header | 115 lines | 68 code | 20 blank | 27 comment | 2 complexity | 8a8343691783f4241678a6bcafcb487c MD5 | raw file
  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
 23enum 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
 29enum 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
 34static const u16 mwifiex_1d_to_wmm_queue[8] = { 1, 0, 0, 1, 2, 2, 3, 3 };
 35
 36/*
 37 * This function retrieves the TID of the given RA list.
 38 */
 39static inline int
 40mwifiex_get_tid(struct mwifiex_ra_list_tbl *ptr)
 41{
 42	struct sk_buff *skb;
 43
 44	if (skb_queue_empty(&ptr->skb_head))
 45		return 0;
 46
 47	skb = skb_peek(&ptr->skb_head);
 48
 49	return skb->priority;
 50}
 51
 52/*
 53 * This function gets the length of a list.
 54 */
 55static inline int
 56mwifiex_wmm_list_len(struct list_head *head)
 57{
 58	struct list_head *pos;
 59	int count = 0;
 60
 61	list_for_each(pos, head)
 62		++count;
 63
 64	return count;
 65}
 66
 67/*
 68 * This function checks if a RA list is empty or not.
 69 */
 70static inline u8
 71mwifiex_wmm_is_ra_list_empty(struct list_head *ra_list_hhead)
 72{
 73	struct mwifiex_ra_list_tbl *ra_list;
 74	int is_list_empty;
 75
 76	list_for_each_entry(ra_list, ra_list_hhead, list) {
 77		is_list_empty = skb_queue_empty(&ra_list->skb_head);
 78		if (!is_list_empty)
 79			return false;
 80	}
 81
 82	return true;
 83}
 84
 85void mwifiex_wmm_add_buf_txqueue(struct mwifiex_private *priv,
 86					struct sk_buff *skb);
 87void mwifiex_ralist_add(struct mwifiex_private *priv, u8 *ra);
 88void mwifiex_rotate_priolists(struct mwifiex_private *priv,
 89			      struct mwifiex_ra_list_tbl *ra,
 90			      int tid);
 91
 92int mwifiex_wmm_lists_empty(struct mwifiex_adapter *adapter);
 93void mwifiex_wmm_process_tx(struct mwifiex_adapter *adapter);
 94int mwifiex_is_ralist_valid(struct mwifiex_private *priv,
 95			    struct mwifiex_ra_list_tbl *ra_list, int tid);
 96
 97u8 mwifiex_wmm_compute_drv_pkt_delay(struct mwifiex_private *priv,
 98					     const struct sk_buff *skb);
 99void mwifiex_wmm_init(struct mwifiex_adapter *adapter);
100
101extern u32 mwifiex_wmm_process_association_req(struct mwifiex_private *priv,
102						 u8 **assoc_buf,
103						 struct ieee_types_wmm_parameter
104						 *wmmie,
105						 struct ieee80211_ht_cap
106						 *htcap);
107
108void mwifiex_wmm_setup_queue_priorities(struct mwifiex_private *priv,
109					struct ieee_types_wmm_parameter
110					*wmm_ie);
111void mwifiex_wmm_setup_ac_downgrade(struct mwifiex_private *priv);
112extern int mwifiex_ret_wmm_get_status(struct mwifiex_private *priv,
113				      const struct host_cmd_ds_command *resp);
114
115#endif /* !_MWIFIEX_WMM_H_ */