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/*
* Marvell Wireless LAN device driver: WMM
*
* Copyright (C) 2011-2014, 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 table inverses the tos_to_tid operation to get a priority
* which is in sequential order, and can be compared.
* Use this to compare the priority of two different TIDs.
*/
static const u8 tos_to_tid_inv[] = {
0x02, /* from tos_to_tid[2] = 0 */
0x00, /* from tos_to_tid[0] = 1 */
0x01, /* from tos_to_tid[1] = 2 */
0x03,
0x04,
0x05,
0x06,
0x07};
/*
* 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_wmm_add_buf_bypass_txqueue(struct mwifiex_private *priv,
struct sk_buff *skb);
void mwifiex_ralist_add(struct mwifiex_private *priv, const 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);
int mwifiex_bypass_txlist_empty(struct mwifiex_adapter *adapter);
void mwifiex_wmm_process_tx(struct mwifiex_adapter *adapter);
void mwifiex_process_bypass_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);
struct mwifiex_ra_list_tbl *
mwifiex_wmm_get_queue_raptr(struct mwifiex_private *priv, u8 tid,
const u8 *ra_addr);
u8 mwifiex_wmm_downgrade_tid(struct mwifiex_private *priv, u32 tid);
void mwifiex_update_ralist_tx_pause(struct mwifiex_private *priv, u8 *mac,
u8 tx_pause);
void mwifiex_update_ralist_tx_pause_in_tdls_cs(struct mwifiex_private *priv,
u8 *mac, u8 tx_pause);
struct mwifiex_ra_list_tbl *mwifiex_wmm_get_ralist_node(struct mwifiex_private
*priv, u8 tid, const u8 *ra_addr);
#endif /* !_MWIFIEX_WMM_H_ */
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