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
23enum 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
29enum 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
34extern const u16 mwifiex_1d_to_wmm_queue[];
35extern const u8 tos_to_tid_inv[];
36
37/*
38 * This function retrieves the TID of the given RA list.
39 */
40static inline int
41mwifiex_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 */
56static inline int
57mwifiex_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 */
71static inline u8
72mwifiex_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
86void mwifiex_wmm_add_buf_txqueue(struct mwifiex_private *priv,
87				 struct sk_buff *skb);
88void mwifiex_wmm_add_buf_bypass_txqueue(struct mwifiex_private *priv,
89					struct sk_buff *skb);
90void mwifiex_ralist_add(struct mwifiex_private *priv, const u8 *ra);
91void mwifiex_rotate_priolists(struct mwifiex_private *priv,
92			      struct mwifiex_ra_list_tbl *ra, int tid);
93
94int mwifiex_wmm_lists_empty(struct mwifiex_adapter *adapter);
95int mwifiex_bypass_txlist_empty(struct mwifiex_adapter *adapter);
96void mwifiex_wmm_process_tx(struct mwifiex_adapter *adapter);
97void mwifiex_process_bypass_tx(struct mwifiex_adapter *adapter);
98int mwifiex_is_ralist_valid(struct mwifiex_private *priv,
99			    struct mwifiex_ra_list_tbl *ra_list, int tid);
100
101u8 mwifiex_wmm_compute_drv_pkt_delay(struct mwifiex_private *priv,
102				     const struct sk_buff *skb);
103void mwifiex_wmm_init(struct mwifiex_adapter *adapter);
104
105u32 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
110void mwifiex_wmm_setup_queue_priorities(struct mwifiex_private *priv,
111					struct ieee_types_wmm_parameter *wmm_ie);
112void mwifiex_wmm_setup_ac_downgrade(struct mwifiex_private *priv);
113int mwifiex_ret_wmm_get_status(struct mwifiex_private *priv,
114			       const struct host_cmd_ds_command *resp);
115struct mwifiex_ra_list_tbl *
116mwifiex_wmm_get_queue_raptr(struct mwifiex_private *priv, u8 tid,
117			    const u8 *ra_addr);
118u8 mwifiex_wmm_downgrade_tid(struct mwifiex_private *priv, u32 tid);
119void mwifiex_update_ralist_tx_pause(struct mwifiex_private *priv, u8 *mac,
120				    u8 tx_pause);
121void mwifiex_update_ralist_tx_pause_in_tdls_cs(struct mwifiex_private *priv,
122					       u8 *mac, u8 tx_pause);
123
124struct 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