1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * NXP Wireless LAN device driver: WMM 4 * 5 * Copyright 2011-2020 NXP 6 */ 7 8 #ifndef _MWIFIEX_WMM_H_ 9 #define _MWIFIEX_WMM_H_ 10 11 enum ieee_types_wmm_aciaifsn_bitmasks { 12 MWIFIEX_AIFSN = (BIT(0) | BIT(1) | BIT(2) | BIT(3)), 13 MWIFIEX_ACM = BIT(4), 14 MWIFIEX_ACI = (BIT(5) | BIT(6)), 15 }; 16 17 enum ieee_types_wmm_ecw_bitmasks { 18 MWIFIEX_ECW_MIN = (BIT(0) | BIT(1) | BIT(2) | BIT(3)), 19 MWIFIEX_ECW_MAX = (BIT(4) | BIT(5) | BIT(6) | BIT(7)), 20 }; 21 22 extern const u16 mwifiex_1d_to_wmm_queue[]; 23 extern const u8 tos_to_tid_inv[]; 24 25 /* 26 * This function retrieves the TID of the given RA list. 27 */ 28 static inline int 29 mwifiex_get_tid(struct mwifiex_ra_list_tbl *ptr) 30 { 31 struct sk_buff *skb; 32 33 if (skb_queue_empty(&ptr->skb_head)) 34 return 0; 35 36 skb = skb_peek(&ptr->skb_head); 37 38 return skb->priority; 39 } 40 41 /* 42 * This function gets the length of a list. 43 */ 44 static inline int 45 mwifiex_wmm_list_len(struct list_head *head) 46 { 47 struct list_head *pos; 48 int count = 0; 49 50 list_for_each(pos, head) 51 ++count; 52 53 return count; 54 } 55 56 /* 57 * This function checks if a RA list is empty or not. 58 */ 59 static inline u8 60 mwifiex_wmm_is_ra_list_empty(struct list_head *ra_list_hhead) 61 { 62 struct mwifiex_ra_list_tbl *ra_list; 63 int is_list_empty; 64 65 list_for_each_entry(ra_list, ra_list_hhead, list) { 66 is_list_empty = skb_queue_empty(&ra_list->skb_head); 67 if (!is_list_empty) 68 return false; 69 } 70 71 return true; 72 } 73 74 void mwifiex_wmm_add_buf_txqueue(struct mwifiex_private *priv, 75 struct sk_buff *skb); 76 void mwifiex_wmm_add_buf_bypass_txqueue(struct mwifiex_private *priv, 77 struct sk_buff *skb); 78 void mwifiex_ralist_add(struct mwifiex_private *priv, const u8 *ra); 79 void mwifiex_rotate_priolists(struct mwifiex_private *priv, 80 struct mwifiex_ra_list_tbl *ra, int tid); 81 82 int mwifiex_wmm_lists_empty(struct mwifiex_adapter *adapter); 83 int mwifiex_bypass_txlist_empty(struct mwifiex_adapter *adapter); 84 void mwifiex_wmm_process_tx(struct mwifiex_adapter *adapter); 85 void mwifiex_process_bypass_tx(struct mwifiex_adapter *adapter); 86 int mwifiex_is_ralist_valid(struct mwifiex_private *priv, 87 struct mwifiex_ra_list_tbl *ra_list, int tid); 88 89 u8 mwifiex_wmm_compute_drv_pkt_delay(struct mwifiex_private *priv, 90 const struct sk_buff *skb); 91 void mwifiex_wmm_init(struct mwifiex_adapter *adapter); 92 93 u32 mwifiex_wmm_process_association_req(struct mwifiex_private *priv, 94 u8 **assoc_buf, 95 struct ieee_types_wmm_parameter *wmmie, 96 struct ieee80211_ht_cap *htcap); 97 98 void mwifiex_wmm_setup_queue_priorities(struct mwifiex_private *priv, 99 struct ieee_types_wmm_parameter *wmm_ie); 100 void mwifiex_wmm_setup_ac_downgrade(struct mwifiex_private *priv); 101 int mwifiex_ret_wmm_get_status(struct mwifiex_private *priv, 102 const struct host_cmd_ds_command *resp); 103 struct mwifiex_ra_list_tbl * 104 mwifiex_wmm_get_queue_raptr(struct mwifiex_private *priv, u8 tid, 105 const u8 *ra_addr); 106 u8 mwifiex_wmm_downgrade_tid(struct mwifiex_private *priv, u32 tid); 107 void mwifiex_update_ralist_tx_pause(struct mwifiex_private *priv, u8 *mac, 108 u8 tx_pause); 109 void mwifiex_update_ralist_tx_pause_in_tdls_cs(struct mwifiex_private *priv, 110 u8 *mac, u8 tx_pause); 111 112 struct mwifiex_ra_list_tbl *mwifiex_wmm_get_ralist_node(struct mwifiex_private 113 *priv, u8 tid, const u8 *ra_addr); 114 #endif /* !_MWIFIEX_WMM_H_ */ 115