1277b024eSKalle Valo /* 2932183aaSGanapathi Bhat * NXP Wireless LAN device driver: WMM 3277b024eSKalle Valo * 4932183aaSGanapathi Bhat * Copyright 2011-2020 NXP 5277b024eSKalle Valo * 6932183aaSGanapathi Bhat * This software file (the "File") is distributed by NXP 7932183aaSGanapathi Bhat * under the terms of the GNU General Public License Version 2, June 1991 8277b024eSKalle Valo * (the "License"). You may use, redistribute and/or modify this File in 9277b024eSKalle Valo * accordance with the terms and conditions of the License, a copy of which 10277b024eSKalle Valo * is available by writing to the Free Software Foundation, Inc., 11277b024eSKalle Valo * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the 12277b024eSKalle Valo * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt. 13277b024eSKalle Valo * 14277b024eSKalle Valo * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE 15277b024eSKalle Valo * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE 16277b024eSKalle Valo * ARE EXPRESSLY DISCLAIMED. The License provides additional details about 17277b024eSKalle Valo * this warranty disclaimer. 18277b024eSKalle Valo */ 19277b024eSKalle Valo 20277b024eSKalle Valo #ifndef _MWIFIEX_WMM_H_ 21277b024eSKalle Valo #define _MWIFIEX_WMM_H_ 22277b024eSKalle Valo 23277b024eSKalle Valo enum ieee_types_wmm_aciaifsn_bitmasks { 24277b024eSKalle Valo MWIFIEX_AIFSN = (BIT(0) | BIT(1) | BIT(2) | BIT(3)), 25277b024eSKalle Valo MWIFIEX_ACM = BIT(4), 26277b024eSKalle Valo MWIFIEX_ACI = (BIT(5) | BIT(6)), 27277b024eSKalle Valo }; 28277b024eSKalle Valo 29277b024eSKalle Valo enum ieee_types_wmm_ecw_bitmasks { 30277b024eSKalle Valo MWIFIEX_ECW_MIN = (BIT(0) | BIT(1) | BIT(2) | BIT(3)), 31277b024eSKalle Valo MWIFIEX_ECW_MAX = (BIT(4) | BIT(5) | BIT(6) | BIT(7)), 32277b024eSKalle Valo }; 33277b024eSKalle Valo 34277b024eSKalle Valo static const u16 mwifiex_1d_to_wmm_queue[8] = { 1, 0, 0, 1, 2, 2, 3, 3 }; 35277b024eSKalle Valo 36277b024eSKalle Valo /* 37277b024eSKalle Valo * This table inverses the tos_to_tid operation to get a priority 38277b024eSKalle Valo * which is in sequential order, and can be compared. 39277b024eSKalle Valo * Use this to compare the priority of two different TIDs. 40277b024eSKalle Valo */ 41277b024eSKalle Valo static const u8 tos_to_tid_inv[] = { 42277b024eSKalle Valo 0x02, /* from tos_to_tid[2] = 0 */ 43277b024eSKalle Valo 0x00, /* from tos_to_tid[0] = 1 */ 44277b024eSKalle Valo 0x01, /* from tos_to_tid[1] = 2 */ 45277b024eSKalle Valo 0x03, 46277b024eSKalle Valo 0x04, 47277b024eSKalle Valo 0x05, 48277b024eSKalle Valo 0x06, 49277b024eSKalle Valo 0x07}; 50277b024eSKalle Valo 51277b024eSKalle Valo /* 52277b024eSKalle Valo * This function retrieves the TID of the given RA list. 53277b024eSKalle Valo */ 54277b024eSKalle Valo static inline int 55277b024eSKalle Valo mwifiex_get_tid(struct mwifiex_ra_list_tbl *ptr) 56277b024eSKalle Valo { 57277b024eSKalle Valo struct sk_buff *skb; 58277b024eSKalle Valo 59277b024eSKalle Valo if (skb_queue_empty(&ptr->skb_head)) 60277b024eSKalle Valo return 0; 61277b024eSKalle Valo 62277b024eSKalle Valo skb = skb_peek(&ptr->skb_head); 63277b024eSKalle Valo 64277b024eSKalle Valo return skb->priority; 65277b024eSKalle Valo } 66277b024eSKalle Valo 67277b024eSKalle Valo /* 68277b024eSKalle Valo * This function gets the length of a list. 69277b024eSKalle Valo */ 70277b024eSKalle Valo static inline int 71277b024eSKalle Valo mwifiex_wmm_list_len(struct list_head *head) 72277b024eSKalle Valo { 73277b024eSKalle Valo struct list_head *pos; 74277b024eSKalle Valo int count = 0; 75277b024eSKalle Valo 76277b024eSKalle Valo list_for_each(pos, head) 77277b024eSKalle Valo ++count; 78277b024eSKalle Valo 79277b024eSKalle Valo return count; 80277b024eSKalle Valo } 81277b024eSKalle Valo 82277b024eSKalle Valo /* 83277b024eSKalle Valo * This function checks if a RA list is empty or not. 84277b024eSKalle Valo */ 85277b024eSKalle Valo static inline u8 86277b024eSKalle Valo mwifiex_wmm_is_ra_list_empty(struct list_head *ra_list_hhead) 87277b024eSKalle Valo { 88277b024eSKalle Valo struct mwifiex_ra_list_tbl *ra_list; 89277b024eSKalle Valo int is_list_empty; 90277b024eSKalle Valo 91277b024eSKalle Valo list_for_each_entry(ra_list, ra_list_hhead, list) { 92277b024eSKalle Valo is_list_empty = skb_queue_empty(&ra_list->skb_head); 93277b024eSKalle Valo if (!is_list_empty) 94277b024eSKalle Valo return false; 95277b024eSKalle Valo } 96277b024eSKalle Valo 97277b024eSKalle Valo return true; 98277b024eSKalle Valo } 99277b024eSKalle Valo 100277b024eSKalle Valo void mwifiex_wmm_add_buf_txqueue(struct mwifiex_private *priv, 101277b024eSKalle Valo struct sk_buff *skb); 102277b024eSKalle Valo void mwifiex_wmm_add_buf_bypass_txqueue(struct mwifiex_private *priv, 103277b024eSKalle Valo struct sk_buff *skb); 104277b024eSKalle Valo void mwifiex_ralist_add(struct mwifiex_private *priv, const u8 *ra); 105277b024eSKalle Valo void mwifiex_rotate_priolists(struct mwifiex_private *priv, 106277b024eSKalle Valo struct mwifiex_ra_list_tbl *ra, int tid); 107277b024eSKalle Valo 108277b024eSKalle Valo int mwifiex_wmm_lists_empty(struct mwifiex_adapter *adapter); 109277b024eSKalle Valo int mwifiex_bypass_txlist_empty(struct mwifiex_adapter *adapter); 110277b024eSKalle Valo void mwifiex_wmm_process_tx(struct mwifiex_adapter *adapter); 111277b024eSKalle Valo void mwifiex_process_bypass_tx(struct mwifiex_adapter *adapter); 112277b024eSKalle Valo int mwifiex_is_ralist_valid(struct mwifiex_private *priv, 113277b024eSKalle Valo struct mwifiex_ra_list_tbl *ra_list, int tid); 114277b024eSKalle Valo 115277b024eSKalle Valo u8 mwifiex_wmm_compute_drv_pkt_delay(struct mwifiex_private *priv, 116277b024eSKalle Valo const struct sk_buff *skb); 117277b024eSKalle Valo void mwifiex_wmm_init(struct mwifiex_adapter *adapter); 118277b024eSKalle Valo 119277b024eSKalle Valo u32 mwifiex_wmm_process_association_req(struct mwifiex_private *priv, 120277b024eSKalle Valo u8 **assoc_buf, 121277b024eSKalle Valo struct ieee_types_wmm_parameter *wmmie, 122277b024eSKalle Valo struct ieee80211_ht_cap *htcap); 123277b024eSKalle Valo 124277b024eSKalle Valo void mwifiex_wmm_setup_queue_priorities(struct mwifiex_private *priv, 125277b024eSKalle Valo struct ieee_types_wmm_parameter *wmm_ie); 126277b024eSKalle Valo void mwifiex_wmm_setup_ac_downgrade(struct mwifiex_private *priv); 127277b024eSKalle Valo int mwifiex_ret_wmm_get_status(struct mwifiex_private *priv, 128277b024eSKalle Valo const struct host_cmd_ds_command *resp); 129277b024eSKalle Valo struct mwifiex_ra_list_tbl * 130277b024eSKalle Valo mwifiex_wmm_get_queue_raptr(struct mwifiex_private *priv, u8 tid, 131277b024eSKalle Valo const u8 *ra_addr); 132277b024eSKalle Valo u8 mwifiex_wmm_downgrade_tid(struct mwifiex_private *priv, u32 tid); 133277b024eSKalle Valo void mwifiex_update_ralist_tx_pause(struct mwifiex_private *priv, u8 *mac, 134277b024eSKalle Valo u8 tx_pause); 135277b024eSKalle Valo void mwifiex_update_ralist_tx_pause_in_tdls_cs(struct mwifiex_private *priv, 136277b024eSKalle Valo u8 *mac, u8 tx_pause); 137277b024eSKalle Valo 138277b024eSKalle Valo struct mwifiex_ra_list_tbl *mwifiex_wmm_get_ralist_node(struct mwifiex_private 139277b024eSKalle Valo *priv, u8 tid, const u8 *ra_addr); 140277b024eSKalle Valo #endif /* !_MWIFIEX_WMM_H_ */ 141