1 // SPDX-License-Identifier: GPL-2.0-only 1 // SPDX-License-Identifier: GPL-2.0-only
2 /* 2 /*
3 * HE handling 3 * HE handling
4 * 4 *
5 * Copyright(c) 2017 Intel Deutschland GmbH 5 * Copyright(c) 2017 Intel Deutschland GmbH
6 * Copyright(c) 2019 - 2023 Intel Corporation !! 6 * Copyright(c) 2019 - 2020 Intel Corporation
7 */ 7 */
8 8
9 #include "ieee80211_i.h" 9 #include "ieee80211_i.h"
10 10
11 static void 11 static void
12 ieee80211_update_from_he_6ghz_capa(const struc 12 ieee80211_update_from_he_6ghz_capa(const struct ieee80211_he_6ghz_capa *he_6ghz_capa,
13 struct link !! 13 struct sta_info *sta)
14 { 14 {
15 struct sta_info *sta = link_sta->sta; <<
16 enum ieee80211_smps_mode smps_mode; 15 enum ieee80211_smps_mode smps_mode;
17 16
18 if (sta->sdata->vif.type == NL80211_IF 17 if (sta->sdata->vif.type == NL80211_IFTYPE_AP ||
19 sta->sdata->vif.type == NL80211_IF 18 sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN) {
20 switch (le16_get_bits(he_6ghz_ 19 switch (le16_get_bits(he_6ghz_capa->capa,
21 IEEE8021 20 IEEE80211_HE_6GHZ_CAP_SM_PS)) {
22 case WLAN_HT_CAP_SM_PS_INVALID 21 case WLAN_HT_CAP_SM_PS_INVALID:
23 case WLAN_HT_CAP_SM_PS_STATIC: 22 case WLAN_HT_CAP_SM_PS_STATIC:
24 smps_mode = IEEE80211_ 23 smps_mode = IEEE80211_SMPS_STATIC;
25 break; 24 break;
26 case WLAN_HT_CAP_SM_PS_DYNAMIC 25 case WLAN_HT_CAP_SM_PS_DYNAMIC:
27 smps_mode = IEEE80211_ 26 smps_mode = IEEE80211_SMPS_DYNAMIC;
28 break; 27 break;
29 case WLAN_HT_CAP_SM_PS_DISABLE 28 case WLAN_HT_CAP_SM_PS_DISABLED:
30 smps_mode = IEEE80211_ 29 smps_mode = IEEE80211_SMPS_OFF;
31 break; 30 break;
32 } 31 }
33 32
34 link_sta->pub->smps_mode = smp !! 33 sta->sta.smps_mode = smps_mode;
35 } else { 34 } else {
36 link_sta->pub->smps_mode = IEE !! 35 sta->sta.smps_mode = IEEE80211_SMPS_OFF;
37 } 36 }
38 37
39 switch (le16_get_bits(he_6ghz_capa->ca 38 switch (le16_get_bits(he_6ghz_capa->capa,
40 IEEE80211_HE_6GH 39 IEEE80211_HE_6GHZ_CAP_MAX_MPDU_LEN)) {
41 case IEEE80211_VHT_CAP_MAX_MPDU_LENGTH 40 case IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454:
42 link_sta->pub->agg.max_amsdu_l !! 41 sta->sta.max_amsdu_len = IEEE80211_MAX_MPDU_LEN_VHT_11454;
43 break; 42 break;
44 case IEEE80211_VHT_CAP_MAX_MPDU_LENGTH 43 case IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991:
45 link_sta->pub->agg.max_amsdu_l !! 44 sta->sta.max_amsdu_len = IEEE80211_MAX_MPDU_LEN_VHT_7991;
46 break; 45 break;
47 case IEEE80211_VHT_CAP_MAX_MPDU_LENGTH 46 case IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895:
48 default: 47 default:
49 link_sta->pub->agg.max_amsdu_l !! 48 sta->sta.max_amsdu_len = IEEE80211_MAX_MPDU_LEN_VHT_3895;
50 break; 49 break;
51 } 50 }
52 51
53 ieee80211_sta_recalc_aggregates(&sta-> !! 52 sta->sta.he_6ghz_capa = *he_6ghz_capa;
54 <<
55 link_sta->pub->he_6ghz_capa = *he_6ghz <<
56 } <<
57 <<
58 static void ieee80211_he_mcs_disable(__le16 *h <<
59 { <<
60 u32 i; <<
61 <<
62 for (i = 0; i < 8; i++) <<
63 *he_mcs |= cpu_to_le16(IEEE802 <<
64 } <<
65 <<
66 static void ieee80211_he_mcs_intersection(__le <<
67 __le <<
68 { <<
69 u32 i; <<
70 u16 own_rx, own_tx, peer_rx, peer_tx; <<
71 <<
72 for (i = 0; i < 8; i++) { <<
73 own_rx = le16_to_cpu(*he_own_r <<
74 own_rx = (own_rx >> i * 2) & I <<
75 <<
76 own_tx = le16_to_cpu(*he_own_t <<
77 own_tx = (own_tx >> i * 2) & I <<
78 <<
79 peer_rx = le16_to_cpu(*he_peer <<
80 peer_rx = (peer_rx >> i * 2) & <<
81 <<
82 peer_tx = le16_to_cpu(*he_peer <<
83 peer_tx = (peer_tx >> i * 2) & <<
84 <<
85 if (peer_tx != IEEE80211_HE_MC <<
86 if (own_rx == IEEE8021 <<
87 peer_tx = IEEE <<
88 else if (own_rx < peer <<
89 peer_tx = own_ <<
90 } <<
91 <<
92 if (peer_rx != IEEE80211_HE_MC <<
93 if (own_tx == IEEE8021 <<
94 peer_rx = IEEE <<
95 else if (own_tx < peer <<
96 peer_rx = own_ <<
97 } <<
98 <<
99 *he_peer_rx &= <<
100 ~cpu_to_le16(IEEE80211 <<
101 *he_peer_rx |= cpu_to_le16(pee <<
102 <<
103 *he_peer_tx &= <<
104 ~cpu_to_le16(IEEE80211 <<
105 *he_peer_tx |= cpu_to_le16(pee <<
106 } <<
107 } 53 }
108 54
109 void 55 void
110 ieee80211_he_cap_ie_to_sta_he_cap(struct ieee8 56 ieee80211_he_cap_ie_to_sta_he_cap(struct ieee80211_sub_if_data *sdata,
111 struct ieee8 57 struct ieee80211_supported_band *sband,
112 const u8 *he 58 const u8 *he_cap_ie, u8 he_cap_len,
113 const struct 59 const struct ieee80211_he_6ghz_capa *he_6ghz_capa,
114 struct link_ !! 60 struct sta_info *sta)
115 { 61 {
116 struct ieee80211_sta_he_cap *he_cap = !! 62 struct ieee80211_sta_he_cap *he_cap = &sta->sta.he_cap;
117 const struct ieee80211_sta_he_cap *own <<
118 struct ieee80211_sta_he_cap own_he_cap <<
119 struct ieee80211_he_cap_elem *he_cap_i 63 struct ieee80211_he_cap_elem *he_cap_ie_elem = (void *)he_cap_ie;
120 u8 he_ppe_size; 64 u8 he_ppe_size;
121 u8 mcs_nss_size; 65 u8 mcs_nss_size;
122 u8 he_total_size; 66 u8 he_total_size;
123 bool own_160, peer_160, own_80p80, pee <<
124 67
125 memset(he_cap, 0, sizeof(*he_cap)); 68 memset(he_cap, 0, sizeof(*he_cap));
126 69
127 if (!he_cap_ie) !! 70 if (!he_cap_ie || !ieee80211_get_he_sta_cap(sband))
128 return; <<
129 <<
130 own_he_cap_ptr = <<
131 ieee80211_get_he_iftype_cap_vi <<
132 if (!own_he_cap_ptr) <<
133 return; 71 return;
134 72
135 own_he_cap = *own_he_cap_ptr; <<
136 <<
137 /* Make sure size is OK */ 73 /* Make sure size is OK */
138 mcs_nss_size = ieee80211_he_mcs_nss_si 74 mcs_nss_size = ieee80211_he_mcs_nss_size(he_cap_ie_elem);
139 he_ppe_size = 75 he_ppe_size =
140 ieee80211_he_ppe_size(he_cap_i 76 ieee80211_he_ppe_size(he_cap_ie[sizeof(he_cap->he_cap_elem) +
141 77 mcs_nss_size],
142 he_cap_i 78 he_cap_ie_elem->phy_cap_info);
143 he_total_size = sizeof(he_cap->he_cap_ 79 he_total_size = sizeof(he_cap->he_cap_elem) + mcs_nss_size +
144 he_ppe_size; 80 he_ppe_size;
145 if (he_cap_len < he_total_size) 81 if (he_cap_len < he_total_size)
146 return; 82 return;
147 83
148 memcpy(&he_cap->he_cap_elem, he_cap_ie 84 memcpy(&he_cap->he_cap_elem, he_cap_ie, sizeof(he_cap->he_cap_elem));
149 85
150 /* HE Tx/Rx HE MCS NSS Support Field * 86 /* HE Tx/Rx HE MCS NSS Support Field */
151 memcpy(&he_cap->he_mcs_nss_supp, 87 memcpy(&he_cap->he_mcs_nss_supp,
152 &he_cap_ie[sizeof(he_cap->he_ca 88 &he_cap_ie[sizeof(he_cap->he_cap_elem)], mcs_nss_size);
153 89
154 /* Check if there are (optional) PPE T 90 /* Check if there are (optional) PPE Thresholds */
155 if (he_cap->he_cap_elem.phy_cap_info[6 91 if (he_cap->he_cap_elem.phy_cap_info[6] &
156 IEEE80211_HE_PHY_CAP6_PPE_THRESHOL 92 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT)
157 memcpy(he_cap->ppe_thres, 93 memcpy(he_cap->ppe_thres,
158 &he_cap_ie[sizeof(he_ca 94 &he_cap_ie[sizeof(he_cap->he_cap_elem) + mcs_nss_size],
159 he_ppe_size); 95 he_ppe_size);
160 96
161 he_cap->has_he = true; 97 he_cap->has_he = true;
162 98
163 link_sta->cur_max_bandwidth = ieee8021 !! 99 sta->cur_max_bandwidth = ieee80211_sta_cap_rx_bw(sta);
164 link_sta->pub->bandwidth = ieee80211_s !! 100 sta->sta.bandwidth = ieee80211_sta_cur_vht_bw(sta);
165 101
166 if (sband->band == NL80211_BAND_6GHZ & 102 if (sband->band == NL80211_BAND_6GHZ && he_6ghz_capa)
167 ieee80211_update_from_he_6ghz_ !! 103 ieee80211_update_from_he_6ghz_capa(he_6ghz_capa, sta);
168 <<
169 ieee80211_he_mcs_intersection(&own_he_ <<
170 &he_cap- <<
171 &own_he_ <<
172 &he_cap- <<
173 <<
174 own_160 = own_he_cap.he_cap_elem.phy_c <<
175 IEEE80211_HE_PHY_CAP0_CHANNE <<
176 peer_160 = he_cap->he_cap_elem.phy_cap <<
177 IEEE80211_HE_PHY_CAP0_CHANN <<
178 <<
179 if (peer_160 && own_160) { <<
180 ieee80211_he_mcs_intersection( <<
181 <<
182 <<
183 <<
184 } else if (peer_160 && !own_160) { <<
185 ieee80211_he_mcs_disable(&he_c <<
186 ieee80211_he_mcs_disable(&he_c <<
187 he_cap->he_cap_elem.phy_cap_in <<
188 ~IEEE80211_HE_PHY_CAP0 <<
189 } <<
190 <<
191 own_80p80 = own_he_cap.he_cap_elem.phy <<
192 IEEE80211_HE_PHY_CAP0_CHAN <<
193 peer_80p80 = he_cap->he_cap_elem.phy_c <<
194 IEEE80211_HE_PHY_CAP0_CHA <<
195 <<
196 if (peer_80p80 && own_80p80) { <<
197 ieee80211_he_mcs_intersection( <<
198 <<
199 <<
200 <<
201 } else if (peer_80p80 && !own_80p80) { <<
202 ieee80211_he_mcs_disable(&he_c <<
203 ieee80211_he_mcs_disable(&he_c <<
204 he_cap->he_cap_elem.phy_cap_in <<
205 ~IEEE80211_HE_PHY_CAP0 <<
206 } <<
207 } 104 }
208 105
209 void 106 void
210 ieee80211_he_op_ie_to_bss_conf(struct ieee8021 107 ieee80211_he_op_ie_to_bss_conf(struct ieee80211_vif *vif,
211 const struct ieee80211 108 const struct ieee80211_he_operation *he_op_ie)
212 { 109 {
213 memset(&vif->bss_conf.he_oper, 0, size 110 memset(&vif->bss_conf.he_oper, 0, sizeof(vif->bss_conf.he_oper));
214 if (!he_op_ie) 111 if (!he_op_ie)
215 return; 112 return;
216 113
217 vif->bss_conf.he_oper.params = __le32_ 114 vif->bss_conf.he_oper.params = __le32_to_cpu(he_op_ie->he_oper_params);
218 vif->bss_conf.he_oper.nss_set = __le16 115 vif->bss_conf.he_oper.nss_set = __le16_to_cpu(he_op_ie->he_mcs_nss_set);
219 } 116 }
220 117
221 void 118 void
222 ieee80211_he_spr_ie_to_bss_conf(struct ieee802 119 ieee80211_he_spr_ie_to_bss_conf(struct ieee80211_vif *vif,
223 const struct i 120 const struct ieee80211_he_spr *he_spr_ie_elem)
224 { 121 {
225 struct ieee80211_he_obss_pd *he_obss_p 122 struct ieee80211_he_obss_pd *he_obss_pd =
226 &vif-> 123 &vif->bss_conf.he_obss_pd;
227 const u8 *data; 124 const u8 *data;
228 125
229 memset(he_obss_pd, 0, sizeof(*he_obss_ 126 memset(he_obss_pd, 0, sizeof(*he_obss_pd));
230 127
231 if (!he_spr_ie_elem) 128 if (!he_spr_ie_elem)
232 return; 129 return;
233 <<
234 he_obss_pd->sr_ctrl = he_spr_ie_elem-> <<
235 data = he_spr_ie_elem->optional; 130 data = he_spr_ie_elem->optional;
236 131
237 if (he_spr_ie_elem->he_sr_control & 132 if (he_spr_ie_elem->he_sr_control &
238 IEEE80211_HE_SPR_NON_SRG_OFFSET_PR 133 IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT)
239 he_obss_pd->non_srg_max_offset !! 134 data++;
240 <<
241 if (he_spr_ie_elem->he_sr_control & 135 if (he_spr_ie_elem->he_sr_control &
242 IEEE80211_HE_SPR_SRG_INFORMATION_P 136 IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT) {
243 he_obss_pd->min_offset = *data <<
244 he_obss_pd->max_offset = *data 137 he_obss_pd->max_offset = *data++;
245 memcpy(he_obss_pd->bss_color_b !! 138 he_obss_pd->min_offset = *data++;
246 data += 8; <<
247 memcpy(he_obss_pd->partial_bss <<
248 he_obss_pd->enable = true; 139 he_obss_pd->enable = true;
249 } 140 }
250 } 141 }
251 142
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