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
 34/*
 35 * This function retrieves the TID of the given RA list.
 36 */
 37static inline int
 38mwifiex_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 */
 53static inline int
 54mwifiex_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 */
 68static inline u8
 69mwifiex_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
 83void mwifiex_wmm_add_buf_txqueue(struct mwifiex_adapter *adapter,
 84				 struct sk_buff *skb);
 85void mwifiex_ralist_add(struct mwifiex_private *priv, u8 *ra);
 86
 87int mwifiex_wmm_lists_empty(struct mwifiex_adapter *adapter);
 88void mwifiex_wmm_process_tx(struct mwifiex_adapter *adapter);
 89int mwifiex_is_ralist_valid(struct mwifiex_private *priv,
 90			    struct mwifiex_ra_list_tbl *ra_list, int tid);
 91
 92u8 mwifiex_wmm_compute_drv_pkt_delay(struct mwifiex_private *priv,
 93					     const struct sk_buff *skb);
 94void mwifiex_wmm_init(struct mwifiex_adapter *adapter);
 95
 96extern 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
103void mwifiex_wmm_setup_queue_priorities(struct mwifiex_private *priv,
104					struct ieee_types_wmm_parameter
105					*wmm_ie);
106void mwifiex_wmm_setup_ac_downgrade(struct mwifiex_private *priv);
107extern int mwifiex_ret_wmm_get_status(struct mwifiex_private *priv,
108				      const struct host_cmd_ds_command *resp);
109
110#endif /* !_MWIFIEX_WMM_H_ */