wmm.h

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/*
 * 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)),
};

/*
 * 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);

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);

extern 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);
extern int mwifiex_ret_wmm_get_status(struct mwifiex_private *priv,
                      const struct host_cmd_ds_command *resp);

#endif /* !_MWIFIEX_WMM_H_ */