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 - 2023 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 link_sta_info *link_sta)
14 { 14 {
15 struct sta_info *sta = link_sta->sta; 15 struct sta_info *sta = link_sta->sta;
16 enum ieee80211_smps_mode smps_mode; 16 enum ieee80211_smps_mode smps_mode;
17 17
18 if (sta->sdata->vif.type == NL80211_IF 18 if (sta->sdata->vif.type == NL80211_IFTYPE_AP ||
19 sta->sdata->vif.type == NL80211_IF 19 sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN) {
20 switch (le16_get_bits(he_6ghz_ 20 switch (le16_get_bits(he_6ghz_capa->capa,
21 IEEE8021 21 IEEE80211_HE_6GHZ_CAP_SM_PS)) {
22 case WLAN_HT_CAP_SM_PS_INVALID 22 case WLAN_HT_CAP_SM_PS_INVALID:
23 case WLAN_HT_CAP_SM_PS_STATIC: 23 case WLAN_HT_CAP_SM_PS_STATIC:
24 smps_mode = IEEE80211_ 24 smps_mode = IEEE80211_SMPS_STATIC;
25 break; 25 break;
26 case WLAN_HT_CAP_SM_PS_DYNAMIC 26 case WLAN_HT_CAP_SM_PS_DYNAMIC:
27 smps_mode = IEEE80211_ 27 smps_mode = IEEE80211_SMPS_DYNAMIC;
28 break; 28 break;
29 case WLAN_HT_CAP_SM_PS_DISABLE 29 case WLAN_HT_CAP_SM_PS_DISABLED:
30 smps_mode = IEEE80211_ 30 smps_mode = IEEE80211_SMPS_OFF;
31 break; 31 break;
32 } 32 }
33 33
34 link_sta->pub->smps_mode = smp 34 link_sta->pub->smps_mode = smps_mode;
35 } else { 35 } else {
36 link_sta->pub->smps_mode = IEE 36 link_sta->pub->smps_mode = IEEE80211_SMPS_OFF;
37 } 37 }
38 38
39 switch (le16_get_bits(he_6ghz_capa->ca 39 switch (le16_get_bits(he_6ghz_capa->capa,
40 IEEE80211_HE_6GH 40 IEEE80211_HE_6GHZ_CAP_MAX_MPDU_LEN)) {
41 case IEEE80211_VHT_CAP_MAX_MPDU_LENGTH 41 case IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454:
42 link_sta->pub->agg.max_amsdu_l 42 link_sta->pub->agg.max_amsdu_len = IEEE80211_MAX_MPDU_LEN_VHT_11454;
43 break; 43 break;
44 case IEEE80211_VHT_CAP_MAX_MPDU_LENGTH 44 case IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991:
45 link_sta->pub->agg.max_amsdu_l 45 link_sta->pub->agg.max_amsdu_len = IEEE80211_MAX_MPDU_LEN_VHT_7991;
46 break; 46 break;
47 case IEEE80211_VHT_CAP_MAX_MPDU_LENGTH 47 case IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895:
48 default: 48 default:
49 link_sta->pub->agg.max_amsdu_l 49 link_sta->pub->agg.max_amsdu_len = IEEE80211_MAX_MPDU_LEN_VHT_3895;
50 break; 50 break;
51 } 51 }
52 52
53 ieee80211_sta_recalc_aggregates(&sta-> 53 ieee80211_sta_recalc_aggregates(&sta->sta);
54 54
55 link_sta->pub->he_6ghz_capa = *he_6ghz 55 link_sta->pub->he_6ghz_capa = *he_6ghz_capa;
56 } 56 }
57 57
58 static void ieee80211_he_mcs_disable(__le16 *h 58 static void ieee80211_he_mcs_disable(__le16 *he_mcs)
59 { 59 {
60 u32 i; 60 u32 i;
61 61
62 for (i = 0; i < 8; i++) 62 for (i = 0; i < 8; i++)
63 *he_mcs |= cpu_to_le16(IEEE802 63 *he_mcs |= cpu_to_le16(IEEE80211_HE_MCS_NOT_SUPPORTED << i * 2);
64 } 64 }
65 65
66 static void ieee80211_he_mcs_intersection(__le 66 static void ieee80211_he_mcs_intersection(__le16 *he_own_rx, __le16 *he_peer_rx,
67 __le 67 __le16 *he_own_tx, __le16 *he_peer_tx)
68 { 68 {
69 u32 i; 69 u32 i;
70 u16 own_rx, own_tx, peer_rx, peer_tx; 70 u16 own_rx, own_tx, peer_rx, peer_tx;
71 71
72 for (i = 0; i < 8; i++) { 72 for (i = 0; i < 8; i++) {
73 own_rx = le16_to_cpu(*he_own_r 73 own_rx = le16_to_cpu(*he_own_rx);
74 own_rx = (own_rx >> i * 2) & I 74 own_rx = (own_rx >> i * 2) & IEEE80211_HE_MCS_NOT_SUPPORTED;
75 75
76 own_tx = le16_to_cpu(*he_own_t 76 own_tx = le16_to_cpu(*he_own_tx);
77 own_tx = (own_tx >> i * 2) & I 77 own_tx = (own_tx >> i * 2) & IEEE80211_HE_MCS_NOT_SUPPORTED;
78 78
79 peer_rx = le16_to_cpu(*he_peer 79 peer_rx = le16_to_cpu(*he_peer_rx);
80 peer_rx = (peer_rx >> i * 2) & 80 peer_rx = (peer_rx >> i * 2) & IEEE80211_HE_MCS_NOT_SUPPORTED;
81 81
82 peer_tx = le16_to_cpu(*he_peer 82 peer_tx = le16_to_cpu(*he_peer_tx);
83 peer_tx = (peer_tx >> i * 2) & 83 peer_tx = (peer_tx >> i * 2) & IEEE80211_HE_MCS_NOT_SUPPORTED;
84 84
85 if (peer_tx != IEEE80211_HE_MC 85 if (peer_tx != IEEE80211_HE_MCS_NOT_SUPPORTED) {
86 if (own_rx == IEEE8021 86 if (own_rx == IEEE80211_HE_MCS_NOT_SUPPORTED)
87 peer_tx = IEEE 87 peer_tx = IEEE80211_HE_MCS_NOT_SUPPORTED;
88 else if (own_rx < peer 88 else if (own_rx < peer_tx)
89 peer_tx = own_ 89 peer_tx = own_rx;
90 } 90 }
91 91
92 if (peer_rx != IEEE80211_HE_MC 92 if (peer_rx != IEEE80211_HE_MCS_NOT_SUPPORTED) {
93 if (own_tx == IEEE8021 93 if (own_tx == IEEE80211_HE_MCS_NOT_SUPPORTED)
94 peer_rx = IEEE 94 peer_rx = IEEE80211_HE_MCS_NOT_SUPPORTED;
95 else if (own_tx < peer 95 else if (own_tx < peer_rx)
96 peer_rx = own_ 96 peer_rx = own_tx;
97 } 97 }
98 98
99 *he_peer_rx &= 99 *he_peer_rx &=
100 ~cpu_to_le16(IEEE80211 100 ~cpu_to_le16(IEEE80211_HE_MCS_NOT_SUPPORTED << i * 2);
101 *he_peer_rx |= cpu_to_le16(pee 101 *he_peer_rx |= cpu_to_le16(peer_rx << i * 2);
102 102
103 *he_peer_tx &= 103 *he_peer_tx &=
104 ~cpu_to_le16(IEEE80211 104 ~cpu_to_le16(IEEE80211_HE_MCS_NOT_SUPPORTED << i * 2);
105 *he_peer_tx |= cpu_to_le16(pee 105 *he_peer_tx |= cpu_to_le16(peer_tx << i * 2);
106 } 106 }
107 } 107 }
108 108
109 void 109 void
110 ieee80211_he_cap_ie_to_sta_he_cap(struct ieee8 110 ieee80211_he_cap_ie_to_sta_he_cap(struct ieee80211_sub_if_data *sdata,
111 struct ieee8 111 struct ieee80211_supported_band *sband,
112 const u8 *he 112 const u8 *he_cap_ie, u8 he_cap_len,
113 const struct 113 const struct ieee80211_he_6ghz_capa *he_6ghz_capa,
114 struct link_ 114 struct link_sta_info *link_sta)
115 { 115 {
116 struct ieee80211_sta_he_cap *he_cap = 116 struct ieee80211_sta_he_cap *he_cap = &link_sta->pub->he_cap;
117 const struct ieee80211_sta_he_cap *own 117 const struct ieee80211_sta_he_cap *own_he_cap_ptr;
118 struct ieee80211_sta_he_cap own_he_cap 118 struct ieee80211_sta_he_cap own_he_cap;
119 struct ieee80211_he_cap_elem *he_cap_i 119 struct ieee80211_he_cap_elem *he_cap_ie_elem = (void *)he_cap_ie;
120 u8 he_ppe_size; 120 u8 he_ppe_size;
121 u8 mcs_nss_size; 121 u8 mcs_nss_size;
122 u8 he_total_size; 122 u8 he_total_size;
123 bool own_160, peer_160, own_80p80, pee 123 bool own_160, peer_160, own_80p80, peer_80p80;
124 124
125 memset(he_cap, 0, sizeof(*he_cap)); 125 memset(he_cap, 0, sizeof(*he_cap));
126 126
127 if (!he_cap_ie) 127 if (!he_cap_ie)
128 return; 128 return;
129 129
130 own_he_cap_ptr = 130 own_he_cap_ptr =
131 ieee80211_get_he_iftype_cap_vi 131 ieee80211_get_he_iftype_cap_vif(sband, &sdata->vif);
132 if (!own_he_cap_ptr) 132 if (!own_he_cap_ptr)
133 return; 133 return;
134 134
135 own_he_cap = *own_he_cap_ptr; 135 own_he_cap = *own_he_cap_ptr;
136 136
137 /* Make sure size is OK */ 137 /* Make sure size is OK */
138 mcs_nss_size = ieee80211_he_mcs_nss_si 138 mcs_nss_size = ieee80211_he_mcs_nss_size(he_cap_ie_elem);
139 he_ppe_size = 139 he_ppe_size =
140 ieee80211_he_ppe_size(he_cap_i 140 ieee80211_he_ppe_size(he_cap_ie[sizeof(he_cap->he_cap_elem) +
141 141 mcs_nss_size],
142 he_cap_i 142 he_cap_ie_elem->phy_cap_info);
143 he_total_size = sizeof(he_cap->he_cap_ 143 he_total_size = sizeof(he_cap->he_cap_elem) + mcs_nss_size +
144 he_ppe_size; 144 he_ppe_size;
145 if (he_cap_len < he_total_size) 145 if (he_cap_len < he_total_size)
146 return; 146 return;
147 147
148 memcpy(&he_cap->he_cap_elem, he_cap_ie 148 memcpy(&he_cap->he_cap_elem, he_cap_ie, sizeof(he_cap->he_cap_elem));
149 149
150 /* HE Tx/Rx HE MCS NSS Support Field * 150 /* HE Tx/Rx HE MCS NSS Support Field */
151 memcpy(&he_cap->he_mcs_nss_supp, 151 memcpy(&he_cap->he_mcs_nss_supp,
152 &he_cap_ie[sizeof(he_cap->he_ca 152 &he_cap_ie[sizeof(he_cap->he_cap_elem)], mcs_nss_size);
153 153
154 /* Check if there are (optional) PPE T 154 /* Check if there are (optional) PPE Thresholds */
155 if (he_cap->he_cap_elem.phy_cap_info[6 155 if (he_cap->he_cap_elem.phy_cap_info[6] &
156 IEEE80211_HE_PHY_CAP6_PPE_THRESHOL 156 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT)
157 memcpy(he_cap->ppe_thres, 157 memcpy(he_cap->ppe_thres,
158 &he_cap_ie[sizeof(he_ca 158 &he_cap_ie[sizeof(he_cap->he_cap_elem) + mcs_nss_size],
159 he_ppe_size); 159 he_ppe_size);
160 160
161 he_cap->has_he = true; 161 he_cap->has_he = true;
162 162
163 link_sta->cur_max_bandwidth = ieee8021 163 link_sta->cur_max_bandwidth = ieee80211_sta_cap_rx_bw(link_sta);
164 link_sta->pub->bandwidth = ieee80211_s 164 link_sta->pub->bandwidth = ieee80211_sta_cur_vht_bw(link_sta);
165 165
166 if (sband->band == NL80211_BAND_6GHZ & 166 if (sband->band == NL80211_BAND_6GHZ && he_6ghz_capa)
167 ieee80211_update_from_he_6ghz_ 167 ieee80211_update_from_he_6ghz_capa(he_6ghz_capa, link_sta);
168 168
169 ieee80211_he_mcs_intersection(&own_he_ 169 ieee80211_he_mcs_intersection(&own_he_cap.he_mcs_nss_supp.rx_mcs_80,
170 &he_cap- 170 &he_cap->he_mcs_nss_supp.rx_mcs_80,
171 &own_he_ 171 &own_he_cap.he_mcs_nss_supp.tx_mcs_80,
172 &he_cap- 172 &he_cap->he_mcs_nss_supp.tx_mcs_80);
173 173
174 own_160 = own_he_cap.he_cap_elem.phy_c 174 own_160 = own_he_cap.he_cap_elem.phy_cap_info[0] &
175 IEEE80211_HE_PHY_CAP0_CHANNE 175 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G;
176 peer_160 = he_cap->he_cap_elem.phy_cap 176 peer_160 = he_cap->he_cap_elem.phy_cap_info[0] &
177 IEEE80211_HE_PHY_CAP0_CHANN 177 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G;
178 178
179 if (peer_160 && own_160) { 179 if (peer_160 && own_160) {
180 ieee80211_he_mcs_intersection( 180 ieee80211_he_mcs_intersection(&own_he_cap.he_mcs_nss_supp.rx_mcs_160,
181 181 &he_cap->he_mcs_nss_supp.rx_mcs_160,
182 182 &own_he_cap.he_mcs_nss_supp.tx_mcs_160,
183 183 &he_cap->he_mcs_nss_supp.tx_mcs_160);
184 } else if (peer_160 && !own_160) { 184 } else if (peer_160 && !own_160) {
185 ieee80211_he_mcs_disable(&he_c 185 ieee80211_he_mcs_disable(&he_cap->he_mcs_nss_supp.rx_mcs_160);
186 ieee80211_he_mcs_disable(&he_c 186 ieee80211_he_mcs_disable(&he_cap->he_mcs_nss_supp.tx_mcs_160);
187 he_cap->he_cap_elem.phy_cap_in 187 he_cap->he_cap_elem.phy_cap_info[0] &=
188 ~IEEE80211_HE_PHY_CAP0 188 ~IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G;
189 } 189 }
190 190
191 own_80p80 = own_he_cap.he_cap_elem.phy 191 own_80p80 = own_he_cap.he_cap_elem.phy_cap_info[0] &
192 IEEE80211_HE_PHY_CAP0_CHAN 192 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G;
193 peer_80p80 = he_cap->he_cap_elem.phy_c 193 peer_80p80 = he_cap->he_cap_elem.phy_cap_info[0] &
194 IEEE80211_HE_PHY_CAP0_CHA 194 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G;
195 195
196 if (peer_80p80 && own_80p80) { 196 if (peer_80p80 && own_80p80) {
197 ieee80211_he_mcs_intersection( 197 ieee80211_he_mcs_intersection(&own_he_cap.he_mcs_nss_supp.rx_mcs_80p80,
198 198 &he_cap->he_mcs_nss_supp.rx_mcs_80p80,
199 199 &own_he_cap.he_mcs_nss_supp.tx_mcs_80p80,
200 200 &he_cap->he_mcs_nss_supp.tx_mcs_80p80);
201 } else if (peer_80p80 && !own_80p80) { 201 } else if (peer_80p80 && !own_80p80) {
202 ieee80211_he_mcs_disable(&he_c 202 ieee80211_he_mcs_disable(&he_cap->he_mcs_nss_supp.rx_mcs_80p80);
203 ieee80211_he_mcs_disable(&he_c 203 ieee80211_he_mcs_disable(&he_cap->he_mcs_nss_supp.tx_mcs_80p80);
204 he_cap->he_cap_elem.phy_cap_in 204 he_cap->he_cap_elem.phy_cap_info[0] &=
205 ~IEEE80211_HE_PHY_CAP0 205 ~IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G;
206 } 206 }
207 } 207 }
208 208
209 void 209 void
210 ieee80211_he_op_ie_to_bss_conf(struct ieee8021 210 ieee80211_he_op_ie_to_bss_conf(struct ieee80211_vif *vif,
211 const struct ieee80211 211 const struct ieee80211_he_operation *he_op_ie)
212 { 212 {
213 memset(&vif->bss_conf.he_oper, 0, size 213 memset(&vif->bss_conf.he_oper, 0, sizeof(vif->bss_conf.he_oper));
214 if (!he_op_ie) 214 if (!he_op_ie)
215 return; 215 return;
216 216
217 vif->bss_conf.he_oper.params = __le32_ 217 vif->bss_conf.he_oper.params = __le32_to_cpu(he_op_ie->he_oper_params);
218 vif->bss_conf.he_oper.nss_set = __le16 218 vif->bss_conf.he_oper.nss_set = __le16_to_cpu(he_op_ie->he_mcs_nss_set);
219 } 219 }
220 220
221 void 221 void
222 ieee80211_he_spr_ie_to_bss_conf(struct ieee802 222 ieee80211_he_spr_ie_to_bss_conf(struct ieee80211_vif *vif,
223 const struct i 223 const struct ieee80211_he_spr *he_spr_ie_elem)
224 { 224 {
225 struct ieee80211_he_obss_pd *he_obss_p 225 struct ieee80211_he_obss_pd *he_obss_pd =
226 &vif-> 226 &vif->bss_conf.he_obss_pd;
227 const u8 *data; 227 const u8 *data;
228 228
229 memset(he_obss_pd, 0, sizeof(*he_obss_ 229 memset(he_obss_pd, 0, sizeof(*he_obss_pd));
230 230
231 if (!he_spr_ie_elem) 231 if (!he_spr_ie_elem)
232 return; 232 return;
233 233
234 he_obss_pd->sr_ctrl = he_spr_ie_elem-> 234 he_obss_pd->sr_ctrl = he_spr_ie_elem->he_sr_control;
235 data = he_spr_ie_elem->optional; 235 data = he_spr_ie_elem->optional;
236 236
237 if (he_spr_ie_elem->he_sr_control & 237 if (he_spr_ie_elem->he_sr_control &
238 IEEE80211_HE_SPR_NON_SRG_OFFSET_PR 238 IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT)
239 he_obss_pd->non_srg_max_offset 239 he_obss_pd->non_srg_max_offset = *data++;
240 240
241 if (he_spr_ie_elem->he_sr_control & 241 if (he_spr_ie_elem->he_sr_control &
242 IEEE80211_HE_SPR_SRG_INFORMATION_P 242 IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT) {
243 he_obss_pd->min_offset = *data 243 he_obss_pd->min_offset = *data++;
244 he_obss_pd->max_offset = *data 244 he_obss_pd->max_offset = *data++;
245 memcpy(he_obss_pd->bss_color_b 245 memcpy(he_obss_pd->bss_color_bitmap, data, 8);
246 data += 8; 246 data += 8;
247 memcpy(he_obss_pd->partial_bss 247 memcpy(he_obss_pd->partial_bssid_bitmap, data, 8);
248 he_obss_pd->enable = true; 248 he_obss_pd->enable = true;
249 } 249 }
250 } 250 }
251 251
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