1 /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
2 * Copyright(c) 2020-2022 Realtek Corporation
3 */
4
5 #ifndef __RTW89_CHAN_H__
6 #define __RTW89_CHAN_H__
7
8 #include "core.h"
9
10 /* The dwell time in TU before doing rtw89_chanctx_work(). */
11 #define RTW89_CHANCTX_TIME_MCC_PREPARE 100
12 #define RTW89_CHANCTX_TIME_MCC 100
13
14 /* various MCC setting time in TU */
15 #define RTW89_MCC_LONG_TRIGGER_TIME 300
16 #define RTW89_MCC_SHORT_TRIGGER_TIME 100
17 #define RTW89_MCC_EARLY_TX_BCN_TIME 10
18 #define RTW89_MCC_EARLY_RX_BCN_TIME 5
19 #define RTW89_MCC_MIN_RX_BCN_TIME 10
20 #define RTW89_MCC_DFLT_BCN_OFST_TIME 40
21
22 #define RTW89_MCC_MIN_GO_DURATION \
23 (RTW89_MCC_EARLY_TX_BCN_TIME + RTW89_MCC_MIN_RX_BCN_TIME)
24
25 #define RTW89_MCC_MIN_STA_DURATION \
26 (RTW89_MCC_EARLY_RX_BCN_TIME + RTW89_MCC_MIN_RX_BCN_TIME)
27
28 #define RTW89_MCC_DFLT_GROUP 0
29 #define RTW89_MCC_NEXT_GROUP(cur) (((cur) + 1) % 4)
30
31 #define RTW89_MCC_DFLT_TX_NULL_EARLY 3
32 #define RTW89_MCC_DFLT_COURTESY_SLOT 3
33
34 #define NUM_OF_RTW89_MCC_ROLES 2
35
36 enum rtw89_chanctx_pause_reasons {
37 RTW89_CHANCTX_PAUSE_REASON_HW_SCAN,
38 RTW89_CHANCTX_PAUSE_REASON_ROC,
39 };
40
41 struct rtw89_entity_weight {
42 unsigned int active_chanctxs;
43 unsigned int active_roles;
44 };
45
rtw89_get_entity_state(struct rtw89_dev * rtwdev,enum rtw89_phy_idx phy_idx)46 static inline bool rtw89_get_entity_state(struct rtw89_dev *rtwdev,
47 enum rtw89_phy_idx phy_idx)
48 {
49 struct rtw89_hal *hal = &rtwdev->hal;
50
51 return READ_ONCE(hal->entity_active[phy_idx]);
52 }
53
rtw89_set_entity_state(struct rtw89_dev * rtwdev,enum rtw89_phy_idx phy_idx,bool active)54 static inline void rtw89_set_entity_state(struct rtw89_dev *rtwdev,
55 enum rtw89_phy_idx phy_idx,
56 bool active)
57 {
58 struct rtw89_hal *hal = &rtwdev->hal;
59
60 WRITE_ONCE(hal->entity_active[phy_idx], active);
61 }
62
63 static inline
rtw89_get_entity_mode(struct rtw89_dev * rtwdev)64 enum rtw89_entity_mode rtw89_get_entity_mode(struct rtw89_dev *rtwdev)
65 {
66 struct rtw89_hal *hal = &rtwdev->hal;
67
68 return READ_ONCE(hal->entity_mode);
69 }
70
rtw89_set_entity_mode(struct rtw89_dev * rtwdev,enum rtw89_entity_mode mode)71 static inline void rtw89_set_entity_mode(struct rtw89_dev *rtwdev,
72 enum rtw89_entity_mode mode)
73 {
74 struct rtw89_hal *hal = &rtwdev->hal;
75
76 WRITE_ONCE(hal->entity_mode, mode);
77 }
78
79 void rtw89_chan_create(struct rtw89_chan *chan, u8 center_chan, u8 primary_chan,
80 enum rtw89_band band, enum rtw89_bandwidth bandwidth);
81 bool rtw89_assign_entity_chan(struct rtw89_dev *rtwdev,
82 enum rtw89_chanctx_idx idx,
83 const struct rtw89_chan *new);
84 int rtw89_iterate_entity_chan(struct rtw89_dev *rtwdev,
85 int (*iterator)(const struct rtw89_chan *chan,
86 void *data),
87 void *data);
88 void rtw89_config_entity_chandef(struct rtw89_dev *rtwdev,
89 enum rtw89_chanctx_idx idx,
90 const struct cfg80211_chan_def *chandef);
91 void rtw89_config_roc_chandef(struct rtw89_dev *rtwdev,
92 enum rtw89_chanctx_idx idx,
93 const struct cfg80211_chan_def *chandef);
94 void rtw89_entity_init(struct rtw89_dev *rtwdev);
95 enum rtw89_entity_mode rtw89_entity_recalc(struct rtw89_dev *rtwdev);
96 void rtw89_chanctx_work(struct work_struct *work);
97 void rtw89_queue_chanctx_work(struct rtw89_dev *rtwdev);
98 void rtw89_queue_chanctx_change(struct rtw89_dev *rtwdev,
99 enum rtw89_chanctx_changes change);
100 void rtw89_chanctx_track(struct rtw89_dev *rtwdev);
101 void rtw89_chanctx_pause(struct rtw89_dev *rtwdev,
102 enum rtw89_chanctx_pause_reasons rsn);
103 void rtw89_chanctx_proceed(struct rtw89_dev *rtwdev);
104
105 const struct rtw89_chan *__rtw89_mgnt_chan_get(struct rtw89_dev *rtwdev,
106 const char *caller_message,
107 u8 link_index);
108
109 #define rtw89_mgnt_chan_get(rtwdev, link_index) \
110 __rtw89_mgnt_chan_get(rtwdev, __func__, link_index)
111
112 int rtw89_chanctx_ops_add(struct rtw89_dev *rtwdev,
113 struct ieee80211_chanctx_conf *ctx);
114 void rtw89_chanctx_ops_remove(struct rtw89_dev *rtwdev,
115 struct ieee80211_chanctx_conf *ctx);
116 void rtw89_chanctx_ops_change(struct rtw89_dev *rtwdev,
117 struct ieee80211_chanctx_conf *ctx,
118 u32 changed);
119 int rtw89_chanctx_ops_assign_vif(struct rtw89_dev *rtwdev,
120 struct rtw89_vif_link *rtwvif_link,
121 struct ieee80211_chanctx_conf *ctx);
122 void rtw89_chanctx_ops_unassign_vif(struct rtw89_dev *rtwdev,
123 struct rtw89_vif_link *rtwvif_link,
124 struct ieee80211_chanctx_conf *ctx);
125
126 #endif
127