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 23 enum 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 29 enum 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 extern const u16 mwifiex_1d_to_wmm_queue[]; 35 extern const u8 tos_to_tid_inv[]; 36 37 /* 38 * This function retrieves the TID of the given RA list. 39 */ 40 static inline int 41 mwifiex_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 */ 56 static inline int 57 mwifiex_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 */ 71 static inline u8 72 mwifiex_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 86 void mwifiex_wmm_add_buf_txqueue(struct mwifiex_private *priv, 87 struct sk_buff *skb); 88 void mwifiex_wmm_add_buf_bypass_txqueue(struct mwifiex_private *priv, 89 struct sk_buff *skb); 90 void mwifiex_ralist_add(struct mwifiex_private *priv, const u8 *ra); 91 void mwifiex_rotate_priolists(struct mwifiex_private *priv, 92 struct mwifiex_ra_list_tbl *ra, int tid); 93 94 int mwifiex_wmm_lists_empty(struct mwifiex_adapter *adapter); 95 int mwifiex_bypass_txlist_empty(struct mwifiex_adapter *adapter); 96 void mwifiex_wmm_process_tx(struct mwifiex_adapter *adapter); 97 void mwifiex_process_bypass_tx(struct mwifiex_adapter *adapter); 98 int mwifiex_is_ralist_valid(struct mwifiex_private *priv, 99 struct mwifiex_ra_list_tbl *ra_list, int tid); 100 101 u8 mwifiex_wmm_compute_drv_pkt_delay(struct mwifiex_private *priv, 102 const struct sk_buff *skb); 103 void mwifiex_wmm_init(struct mwifiex_adapter *adapter); 104 105 u32 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); 109 110 void mwifiex_wmm_setup_queue_priorities(struct mwifiex_private *priv, 111 struct ieee_types_wmm_parameter *wmm_ie); 112 void mwifiex_wmm_setup_ac_downgrade(struct mwifiex_private *priv); 113 int mwifiex_ret_wmm_get_status(struct mwifiex_private *priv, 114 const struct host_cmd_ds_command *resp); 115 struct mwifiex_ra_list_tbl * 116 mwifiex_wmm_get_queue_raptr(struct mwifiex_private *priv, u8 tid, 117 const u8 *ra_addr); 118 u8 mwifiex_wmm_downgrade_tid(struct mwifiex_private *priv, u32 tid); 119 void mwifiex_update_ralist_tx_pause(struct mwifiex_private *priv, u8 *mac, 120 u8 tx_pause); 121 void mwifiex_update_ralist_tx_pause_in_tdls_cs(struct mwifiex_private *priv, 122 u8 *mac, u8 tx_pause); 123 124 struct 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