1 /*
2 * Marvell Wireless LAN device driver: WMM
3 *
4 * Copyright (C) 2011, Marvell International Ltd.
5 *
6 * This software file (the "File") is distributed by Marvell International
7 * Ltd. 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 static const u16 mwifiex_1d_to_wmm_queue[8] = { 1, 0, 0, 1, 2, 2, 3, 3 };
35
36 /*
37 * This function retrieves the TID of the given RA list.
38 */
39 static inline int
mwifiex_get_tid(struct mwifiex_ra_list_tbl * ptr)40 mwifiex_get_tid(struct mwifiex_ra_list_tbl *ptr)
41 {
42 struct sk_buff *skb;
43
44 if (skb_queue_empty(&ptr->skb_head))
45 return 0;
46
47 skb = skb_peek(&ptr->skb_head);
48
49 return skb->priority;
50 }
51
52 /*
53 * This function gets the length of a list.
54 */
55 static inline int
mwifiex_wmm_list_len(struct list_head * head)56 mwifiex_wmm_list_len(struct list_head *head)
57 {
58 struct list_head *pos;
59 int count = 0;
60
61 list_for_each(pos, head)
62 ++count;
63
64 return count;
65 }
66
67 /*
68 * This function checks if a RA list is empty or not.
69 */
70 static inline u8
mwifiex_wmm_is_ra_list_empty(struct list_head * ra_list_hhead)71 mwifiex_wmm_is_ra_list_empty(struct list_head *ra_list_hhead)
72 {
73 struct mwifiex_ra_list_tbl *ra_list;
74 int is_list_empty;
75
76 list_for_each_entry(ra_list, ra_list_hhead, list) {
77 is_list_empty = skb_queue_empty(&ra_list->skb_head);
78 if (!is_list_empty)
79 return false;
80 }
81
82 return true;
83 }
84
85 void mwifiex_wmm_add_buf_txqueue(struct mwifiex_private *priv,
86 struct sk_buff *skb);
87 void mwifiex_ralist_add(struct mwifiex_private *priv, u8 *ra);
88 void mwifiex_rotate_priolists(struct mwifiex_private *priv,
89 struct mwifiex_ra_list_tbl *ra,
90 int tid);
91
92 int mwifiex_wmm_lists_empty(struct mwifiex_adapter *adapter);
93 void mwifiex_wmm_process_tx(struct mwifiex_adapter *adapter);
94 int mwifiex_is_ralist_valid(struct mwifiex_private *priv,
95 struct mwifiex_ra_list_tbl *ra_list, int tid);
96
97 u8 mwifiex_wmm_compute_drv_pkt_delay(struct mwifiex_private *priv,
98 const struct sk_buff *skb);
99 void mwifiex_wmm_init(struct mwifiex_adapter *adapter);
100
101 extern u32 mwifiex_wmm_process_association_req(struct mwifiex_private *priv,
102 u8 **assoc_buf,
103 struct ieee_types_wmm_parameter
104 *wmmie,
105 struct ieee80211_ht_cap
106 *htcap);
107
108 void mwifiex_wmm_setup_queue_priorities(struct mwifiex_private *priv,
109 struct ieee_types_wmm_parameter
110 *wmm_ie);
111 void mwifiex_wmm_setup_ac_downgrade(struct mwifiex_private *priv);
112 extern int mwifiex_ret_wmm_get_status(struct mwifiex_private *priv,
113 const struct host_cmd_ds_command *resp);
114
115 #endif /* !_MWIFIEX_WMM_H_ */
116