1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
|
// SPDX-License-Identifier: GPL-2.0-only
/*
* HE handling
*
* Copyright(c) 2017 Intel Deutschland GmbH
* Copyright(c) 2019 - 2020 Intel Corporation
*/
#include "ieee80211_i.h"
static void
ieee80211_update_from_he_6ghz_capa(const struct ieee80211_he_6ghz_capa *he_6ghz_capa,
struct sta_info *sta)
{
enum ieee80211_smps_mode smps_mode;
if (sta->sdata->vif.type == NL80211_IFTYPE_AP ||
sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN) {
switch (le16_get_bits(he_6ghz_capa->capa,
IEEE80211_HE_6GHZ_CAP_SM_PS)) {
case WLAN_HT_CAP_SM_PS_INVALID:
case WLAN_HT_CAP_SM_PS_STATIC:
smps_mode = IEEE80211_SMPS_STATIC;
break;
case WLAN_HT_CAP_SM_PS_DYNAMIC:
smps_mode = IEEE80211_SMPS_DYNAMIC;
break;
case WLAN_HT_CAP_SM_PS_DISABLED:
smps_mode = IEEE80211_SMPS_OFF;
break;
}
sta->sta.smps_mode = smps_mode;
} else {
sta->sta.smps_mode = IEEE80211_SMPS_OFF;
}
switch (le16_get_bits(he_6ghz_capa->capa,
IEEE80211_HE_6GHZ_CAP_MAX_MPDU_LEN)) {
case IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454:
sta->sta.max_amsdu_len = IEEE80211_MAX_MPDU_LEN_VHT_11454;
break;
case IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991:
sta->sta.max_amsdu_len = IEEE80211_MAX_MPDU_LEN_VHT_7991;
break;
case IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895:
default:
sta->sta.max_amsdu_len = IEEE80211_MAX_MPDU_LEN_VHT_3895;
break;
}
sta->sta.he_6ghz_capa = *he_6ghz_capa;
}
void
ieee80211_he_cap_ie_to_sta_he_cap(struct ieee80211_sub_if_data *sdata,
struct ieee80211_supported_band *sband,
const u8 *he_cap_ie, u8 he_cap_len,
const struct ieee80211_he_6ghz_capa *he_6ghz_capa,
struct sta_info *sta)
{
struct ieee80211_sta_he_cap *he_cap = &sta->sta.he_cap;
struct ieee80211_he_cap_elem *he_cap_ie_elem = (void *)he_cap_ie;
u8 he_ppe_size;
u8 mcs_nss_size;
u8 he_total_size;
memset(he_cap, 0, sizeof(*he_cap));
if (!he_cap_ie || !ieee80211_get_he_sta_cap(sband))
return;
/* Make sure size is OK */
mcs_nss_size = ieee80211_he_mcs_nss_size(he_cap_ie_elem);
he_ppe_size =
ieee80211_he_ppe_size(he_cap_ie[sizeof(he_cap->he_cap_elem) +
mcs_nss_size],
he_cap_ie_elem->phy_cap_info);
he_total_size = sizeof(he_cap->he_cap_elem) + mcs_nss_size +
he_ppe_size;
if (he_cap_len < he_total_size)
return;
memcpy(&he_cap->he_cap_elem, he_cap_ie, sizeof(he_cap->he_cap_elem));
/* HE Tx/Rx HE MCS NSS Support Field */
memcpy(&he_cap->he_mcs_nss_supp,
&he_cap_ie[sizeof(he_cap->he_cap_elem)], mcs_nss_size);
/* Check if there are (optional) PPE Thresholds */
if (he_cap->he_cap_elem.phy_cap_info[6] &
IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT)
memcpy(he_cap->ppe_thres,
&he_cap_ie[sizeof(he_cap->he_cap_elem) + mcs_nss_size],
he_ppe_size);
he_cap->has_he = true;
sta->cur_max_bandwidth = ieee80211_sta_cap_rx_bw(sta);
sta->sta.bandwidth = ieee80211_sta_cur_vht_bw(sta);
if (sband->band == NL80211_BAND_6GHZ && he_6ghz_capa)
ieee80211_update_from_he_6ghz_capa(he_6ghz_capa, sta);
}
void
ieee80211_he_op_ie_to_bss_conf(struct ieee80211_vif *vif,
const struct ieee80211_he_operation *he_op_ie)
{
memset(&vif->bss_conf.he_oper, 0, sizeof(vif->bss_conf.he_oper));
if (!he_op_ie)
return;
vif->bss_conf.he_oper.params = __le32_to_cpu(he_op_ie->he_oper_params);
vif->bss_conf.he_oper.nss_set = __le16_to_cpu(he_op_ie->he_mcs_nss_set);
}
void
ieee80211_he_spr_ie_to_bss_conf(struct ieee80211_vif *vif,
const struct ieee80211_he_spr *he_spr_ie_elem)
{
struct ieee80211_he_obss_pd *he_obss_pd =
&vif->bss_conf.he_obss_pd;
const u8 *data;
memset(he_obss_pd, 0, sizeof(*he_obss_pd));
if (!he_spr_ie_elem)
return;
data = he_spr_ie_elem->optional;
if (he_spr_ie_elem->he_sr_control &
IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT)
data++;
if (he_spr_ie_elem->he_sr_control &
IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT) {
he_obss_pd->max_offset = *data++;
he_obss_pd->min_offset = *data++;
he_obss_pd->enable = true;
}
}
|
