LXR linux/drivers/net/wireless/marvell/mwifiex/wmm.h

   1/*
   2 * NXP Wireless LAN device driver: WMM
   3 *
   4 * Copyright 2011-2020 NXP
   5 *
   6 * This software file (the "File") is distributed by NXP
   7 * 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
  34extern const u16 mwifiex_1d_to_wmm_queue[];
  35extern const u8 tos_to_tid_inv[];
  36
  37/*
  38 * This function retrieves the TID of the given RA list.
  39 */
  40static inline int
  41mwifiex_get_tid(struct mwifiex_ra_list_tbl *ptr)
  42{
  43        struct sk_buff *skb;
  44
  45        if (skb_queue_empty(&ptr->skb_head))
  46                return 0;
  47
  48        skb = skb_peek(&ptr->skb_head);
  49
  50        return skb->priority;
  51}
  52
  53/*
  54 * This function gets the length of a list.
  55 */
  56static inline int
  57mwifiex_wmm_list_len(struct list_head *head)
  58{
  59        struct list_head *pos;
  60        int count = 0;
  61
  62        list_for_each(pos, head)
  63                ++count;
  64
  65        return count;
  66}
  67
  68/*
  69 * This function checks if a RA list is empty or not.
  70 */
  71static inline u8
  72mwifiex_wmm_is_ra_list_empty(struct list_head *ra_list_hhead)
  73{
  74        struct mwifiex_ra_list_tbl *ra_list;
  75        int is_list_empty;
  76
  77        list_for_each_entry(ra_list, ra_list_hhead, list) {
  78                is_list_empty = skb_queue_empty(&ra_list->skb_head);
  79                if (!is_list_empty)
  80                        return false;
  81        }
  82
  83        return true;
  84}
  85
  86void mwifiex_wmm_add_buf_txqueue(struct mwifiex_private *priv,
  87                                 struct sk_buff *skb);
  88void mwifiex_wmm_add_buf_bypass_txqueue(struct mwifiex_private *priv,
  89                                        struct sk_buff *skb);
  90void mwifiex_ralist_add(struct mwifiex_private *priv, const u8 *ra);
  91void mwifiex_rotate_priolists(struct mwifiex_private *priv,
  92                              struct mwifiex_ra_list_tbl *ra, int tid);
  93
  94int mwifiex_wmm_lists_empty(struct mwifiex_adapter *adapter);
  95int mwifiex_bypass_txlist_empty(struct mwifiex_adapter *adapter);
  96void mwifiex_wmm_process_tx(struct mwifiex_adapter *adapter);
  97void mwifiex_process_bypass_tx(struct mwifiex_adapter *adapter);
  98int mwifiex_is_ralist_valid(struct mwifiex_private *priv,
  99                            struct mwifiex_ra_list_tbl *ra_list, int tid);
 100
 101u8 mwifiex_wmm_compute_drv_pkt_delay(struct mwifiex_private *priv,
 102                                     const struct sk_buff *skb);
 103void mwifiex_wmm_init(struct mwifiex_adapter *adapter);
 104
 105u32 mwifiex_wmm_process_association_req(struct mwifiex_private *priv,
 106                                        u8 **assoc_buf,
 107                                        struct ieee_types_wmm_parameter *wmmie,
 108                                        struct ieee80211_ht_cap *htcap);
 109
 110void mwifiex_wmm_setup_queue_priorities(struct mwifiex_private *priv,
 111                                        struct ieee_types_wmm_parameter *wmm_ie);
 112void mwifiex_wmm_setup_ac_downgrade(struct mwifiex_private *priv);
 113int mwifiex_ret_wmm_get_status(struct mwifiex_private *priv,
 114                               const struct host_cmd_ds_command *resp);
 115struct mwifiex_ra_list_tbl *
 116mwifiex_wmm_get_queue_raptr(struct mwifiex_private *priv, u8 tid,
 117                            const u8 *ra_addr);
 118u8 mwifiex_wmm_downgrade_tid(struct mwifiex_private *priv, u32 tid);
 119void mwifiex_update_ralist_tx_pause(struct mwifiex_private *priv, u8 *mac,
 120                                    u8 tx_pause);
 121void mwifiex_update_ralist_tx_pause_in_tdls_cs(struct mwifiex_private *priv,
 122                                               u8 *mac, u8 tx_pause);
 123
 124struct mwifiex_ra_list_tbl *mwifiex_wmm_get_ralist_node(struct mwifiex_private
 125                                        *priv, u8 tid, const u8 *ra_addr);
 126#endif /* !_MWIFIEX_WMM_H_ */
 127