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
mwifiex_get_tid(struct mwifiex_ra_list_tbl * ptr)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
mwifiex_wmm_list_len(struct list_head * head)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
mwifiex_wmm_is_ra_list_empty(struct list_head * ra_list_hhead)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