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.deflink.he_6ghz_capa = *he_6ghz_capa;
54 <<
55 link_sta->pub->he_6ghz_capa = *he_6ghz <<
56 } 53 }
57 54
58 static void ieee80211_he_mcs_disable(__le16 *h 55 static void ieee80211_he_mcs_disable(__le16 *he_mcs)
59 { 56 {
60 u32 i; 57 u32 i;
61 58
62 for (i = 0; i < 8; i++) 59 for (i = 0; i < 8; i++)
63 *he_mcs |= cpu_to_le16(IEEE802 60 *he_mcs |= cpu_to_le16(IEEE80211_HE_MCS_NOT_SUPPORTED << i * 2);
64 } 61 }
65 62
66 static void ieee80211_he_mcs_intersection(__le 63 static void ieee80211_he_mcs_intersection(__le16 *he_own_rx, __le16 *he_peer_rx,
67 __le 64 __le16 *he_own_tx, __le16 *he_peer_tx)
68 { 65 {
69 u32 i; 66 u32 i;
70 u16 own_rx, own_tx, peer_rx, peer_tx; 67 u16 own_rx, own_tx, peer_rx, peer_tx;
71 68
72 for (i = 0; i < 8; i++) { 69 for (i = 0; i < 8; i++) {
73 own_rx = le16_to_cpu(*he_own_r 70 own_rx = le16_to_cpu(*he_own_rx);
74 own_rx = (own_rx >> i * 2) & I 71 own_rx = (own_rx >> i * 2) & IEEE80211_HE_MCS_NOT_SUPPORTED;
75 72
76 own_tx = le16_to_cpu(*he_own_t 73 own_tx = le16_to_cpu(*he_own_tx);
77 own_tx = (own_tx >> i * 2) & I 74 own_tx = (own_tx >> i * 2) & IEEE80211_HE_MCS_NOT_SUPPORTED;
78 75
79 peer_rx = le16_to_cpu(*he_peer 76 peer_rx = le16_to_cpu(*he_peer_rx);
80 peer_rx = (peer_rx >> i * 2) & 77 peer_rx = (peer_rx >> i * 2) & IEEE80211_HE_MCS_NOT_SUPPORTED;
81 78
82 peer_tx = le16_to_cpu(*he_peer 79 peer_tx = le16_to_cpu(*he_peer_tx);
83 peer_tx = (peer_tx >> i * 2) & 80 peer_tx = (peer_tx >> i * 2) & IEEE80211_HE_MCS_NOT_SUPPORTED;
84 81
85 if (peer_tx != IEEE80211_HE_MC 82 if (peer_tx != IEEE80211_HE_MCS_NOT_SUPPORTED) {
86 if (own_rx == IEEE8021 83 if (own_rx == IEEE80211_HE_MCS_NOT_SUPPORTED)
87 peer_tx = IEEE 84 peer_tx = IEEE80211_HE_MCS_NOT_SUPPORTED;
88 else if (own_rx < peer 85 else if (own_rx < peer_tx)
89 peer_tx = own_ 86 peer_tx = own_rx;
90 } 87 }
91 88
92 if (peer_rx != IEEE80211_HE_MC 89 if (peer_rx != IEEE80211_HE_MCS_NOT_SUPPORTED) {
93 if (own_tx == IEEE8021 90 if (own_tx == IEEE80211_HE_MCS_NOT_SUPPORTED)
94 peer_rx = IEEE 91 peer_rx = IEEE80211_HE_MCS_NOT_SUPPORTED;
95 else if (own_tx < peer 92 else if (own_tx < peer_rx)
96 peer_rx = own_ 93 peer_rx = own_tx;
97 } 94 }
98 95
99 *he_peer_rx &= 96 *he_peer_rx &=
100 ~cpu_to_le16(IEEE80211 97 ~cpu_to_le16(IEEE80211_HE_MCS_NOT_SUPPORTED << i * 2);
101 *he_peer_rx |= cpu_to_le16(pee 98 *he_peer_rx |= cpu_to_le16(peer_rx << i * 2);
102 99
103 *he_peer_tx &= 100 *he_peer_tx &=
104 ~cpu_to_le16(IEEE80211 101 ~cpu_to_le16(IEEE80211_HE_MCS_NOT_SUPPORTED << i * 2);
105 *he_peer_tx |= cpu_to_le16(pee 102 *he_peer_tx |= cpu_to_le16(peer_tx << i * 2);
106 } 103 }
107 } 104 }
108 105
109 void 106 void
110 ieee80211_he_cap_ie_to_sta_he_cap(struct ieee8 107 ieee80211_he_cap_ie_to_sta_he_cap(struct ieee80211_sub_if_data *sdata,
111 struct ieee8 108 struct ieee80211_supported_band *sband,
112 const u8 *he 109 const u8 *he_cap_ie, u8 he_cap_len,
113 const struct 110 const struct ieee80211_he_6ghz_capa *he_6ghz_capa,
114 struct link_ !! 111 struct sta_info *sta)
115 { 112 {
116 struct ieee80211_sta_he_cap *he_cap = !! 113 struct ieee80211_sta_he_cap *he_cap = &sta->sta.deflink.he_cap;
117 const struct ieee80211_sta_he_cap *own <<
118 struct ieee80211_sta_he_cap own_he_cap 114 struct ieee80211_sta_he_cap own_he_cap;
119 struct ieee80211_he_cap_elem *he_cap_i 115 struct ieee80211_he_cap_elem *he_cap_ie_elem = (void *)he_cap_ie;
120 u8 he_ppe_size; 116 u8 he_ppe_size;
121 u8 mcs_nss_size; 117 u8 mcs_nss_size;
122 u8 he_total_size; 118 u8 he_total_size;
123 bool own_160, peer_160, own_80p80, pee 119 bool own_160, peer_160, own_80p80, peer_80p80;
124 120
125 memset(he_cap, 0, sizeof(*he_cap)); 121 memset(he_cap, 0, sizeof(*he_cap));
126 122
127 if (!he_cap_ie) !! 123 if (!he_cap_ie ||
128 return; !! 124 !ieee80211_get_he_iftype_cap(sband,
129 !! 125 ieee80211_vif_type_p2p(&sdata->vif)))
130 own_he_cap_ptr = <<
131 ieee80211_get_he_iftype_cap_vi <<
132 if (!own_he_cap_ptr) <<
133 return; 126 return;
134 127
135 own_he_cap = *own_he_cap_ptr; !! 128 own_he_cap = sband->iftype_data->he_cap;
136 129
137 /* Make sure size is OK */ 130 /* Make sure size is OK */
138 mcs_nss_size = ieee80211_he_mcs_nss_si 131 mcs_nss_size = ieee80211_he_mcs_nss_size(he_cap_ie_elem);
139 he_ppe_size = 132 he_ppe_size =
140 ieee80211_he_ppe_size(he_cap_i 133 ieee80211_he_ppe_size(he_cap_ie[sizeof(he_cap->he_cap_elem) +
141 134 mcs_nss_size],
142 he_cap_i 135 he_cap_ie_elem->phy_cap_info);
143 he_total_size = sizeof(he_cap->he_cap_ 136 he_total_size = sizeof(he_cap->he_cap_elem) + mcs_nss_size +
144 he_ppe_size; 137 he_ppe_size;
145 if (he_cap_len < he_total_size) 138 if (he_cap_len < he_total_size)
146 return; 139 return;
147 140
148 memcpy(&he_cap->he_cap_elem, he_cap_ie 141 memcpy(&he_cap->he_cap_elem, he_cap_ie, sizeof(he_cap->he_cap_elem));
149 142
150 /* HE Tx/Rx HE MCS NSS Support Field * 143 /* HE Tx/Rx HE MCS NSS Support Field */
151 memcpy(&he_cap->he_mcs_nss_supp, 144 memcpy(&he_cap->he_mcs_nss_supp,
152 &he_cap_ie[sizeof(he_cap->he_ca 145 &he_cap_ie[sizeof(he_cap->he_cap_elem)], mcs_nss_size);
153 146
154 /* Check if there are (optional) PPE T 147 /* Check if there are (optional) PPE Thresholds */
155 if (he_cap->he_cap_elem.phy_cap_info[6 148 if (he_cap->he_cap_elem.phy_cap_info[6] &
156 IEEE80211_HE_PHY_CAP6_PPE_THRESHOL 149 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT)
157 memcpy(he_cap->ppe_thres, 150 memcpy(he_cap->ppe_thres,
158 &he_cap_ie[sizeof(he_ca 151 &he_cap_ie[sizeof(he_cap->he_cap_elem) + mcs_nss_size],
159 he_ppe_size); 152 he_ppe_size);
160 153
161 he_cap->has_he = true; 154 he_cap->has_he = true;
162 155
163 link_sta->cur_max_bandwidth = ieee8021 !! 156 sta->deflink.cur_max_bandwidth = ieee80211_sta_cap_rx_bw(sta);
164 link_sta->pub->bandwidth = ieee80211_s !! 157 sta->sta.deflink.bandwidth = ieee80211_sta_cur_vht_bw(sta);
165 158
166 if (sband->band == NL80211_BAND_6GHZ & 159 if (sband->band == NL80211_BAND_6GHZ && he_6ghz_capa)
167 ieee80211_update_from_he_6ghz_ !! 160 ieee80211_update_from_he_6ghz_capa(he_6ghz_capa, sta);
168 161
169 ieee80211_he_mcs_intersection(&own_he_ 162 ieee80211_he_mcs_intersection(&own_he_cap.he_mcs_nss_supp.rx_mcs_80,
170 &he_cap- 163 &he_cap->he_mcs_nss_supp.rx_mcs_80,
171 &own_he_ 164 &own_he_cap.he_mcs_nss_supp.tx_mcs_80,
172 &he_cap- 165 &he_cap->he_mcs_nss_supp.tx_mcs_80);
173 166
174 own_160 = own_he_cap.he_cap_elem.phy_c 167 own_160 = own_he_cap.he_cap_elem.phy_cap_info[0] &
175 IEEE80211_HE_PHY_CAP0_CHANNE 168 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G;
176 peer_160 = he_cap->he_cap_elem.phy_cap 169 peer_160 = he_cap->he_cap_elem.phy_cap_info[0] &
177 IEEE80211_HE_PHY_CAP0_CHANN 170 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G;
178 171
179 if (peer_160 && own_160) { 172 if (peer_160 && own_160) {
180 ieee80211_he_mcs_intersection( 173 ieee80211_he_mcs_intersection(&own_he_cap.he_mcs_nss_supp.rx_mcs_160,
181 174 &he_cap->he_mcs_nss_supp.rx_mcs_160,
182 175 &own_he_cap.he_mcs_nss_supp.tx_mcs_160,
183 176 &he_cap->he_mcs_nss_supp.tx_mcs_160);
184 } else if (peer_160 && !own_160) { 177 } else if (peer_160 && !own_160) {
185 ieee80211_he_mcs_disable(&he_c 178 ieee80211_he_mcs_disable(&he_cap->he_mcs_nss_supp.rx_mcs_160);
186 ieee80211_he_mcs_disable(&he_c 179 ieee80211_he_mcs_disable(&he_cap->he_mcs_nss_supp.tx_mcs_160);
187 he_cap->he_cap_elem.phy_cap_in 180 he_cap->he_cap_elem.phy_cap_info[0] &=
188 ~IEEE80211_HE_PHY_CAP0 181 ~IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G;
189 } 182 }
190 183
191 own_80p80 = own_he_cap.he_cap_elem.phy 184 own_80p80 = own_he_cap.he_cap_elem.phy_cap_info[0] &
192 IEEE80211_HE_PHY_CAP0_CHAN 185 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G;
193 peer_80p80 = he_cap->he_cap_elem.phy_c 186 peer_80p80 = he_cap->he_cap_elem.phy_cap_info[0] &
194 IEEE80211_HE_PHY_CAP0_CHA 187 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G;
195 188
196 if (peer_80p80 && own_80p80) { 189 if (peer_80p80 && own_80p80) {
197 ieee80211_he_mcs_intersection( 190 ieee80211_he_mcs_intersection(&own_he_cap.he_mcs_nss_supp.rx_mcs_80p80,
198 191 &he_cap->he_mcs_nss_supp.rx_mcs_80p80,
199 192 &own_he_cap.he_mcs_nss_supp.tx_mcs_80p80,
200 193 &he_cap->he_mcs_nss_supp.tx_mcs_80p80);
201 } else if (peer_80p80 && !own_80p80) { 194 } else if (peer_80p80 && !own_80p80) {
202 ieee80211_he_mcs_disable(&he_c 195 ieee80211_he_mcs_disable(&he_cap->he_mcs_nss_supp.rx_mcs_80p80);
203 ieee80211_he_mcs_disable(&he_c 196 ieee80211_he_mcs_disable(&he_cap->he_mcs_nss_supp.tx_mcs_80p80);
204 he_cap->he_cap_elem.phy_cap_in 197 he_cap->he_cap_elem.phy_cap_info[0] &=
205 ~IEEE80211_HE_PHY_CAP0 198 ~IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G;
206 } 199 }
207 } 200 }
208 201
209 void 202 void
210 ieee80211_he_op_ie_to_bss_conf(struct ieee8021 203 ieee80211_he_op_ie_to_bss_conf(struct ieee80211_vif *vif,
211 const struct ieee80211 204 const struct ieee80211_he_operation *he_op_ie)
212 { 205 {
213 memset(&vif->bss_conf.he_oper, 0, size 206 memset(&vif->bss_conf.he_oper, 0, sizeof(vif->bss_conf.he_oper));
214 if (!he_op_ie) 207 if (!he_op_ie)
215 return; 208 return;
216 209
217 vif->bss_conf.he_oper.params = __le32_ 210 vif->bss_conf.he_oper.params = __le32_to_cpu(he_op_ie->he_oper_params);
218 vif->bss_conf.he_oper.nss_set = __le16 211 vif->bss_conf.he_oper.nss_set = __le16_to_cpu(he_op_ie->he_mcs_nss_set);
219 } 212 }
220 213
221 void 214 void
222 ieee80211_he_spr_ie_to_bss_conf(struct ieee802 215 ieee80211_he_spr_ie_to_bss_conf(struct ieee80211_vif *vif,
223 const struct i 216 const struct ieee80211_he_spr *he_spr_ie_elem)
224 { 217 {
225 struct ieee80211_he_obss_pd *he_obss_p 218 struct ieee80211_he_obss_pd *he_obss_pd =
226 &vif-> 219 &vif->bss_conf.he_obss_pd;
227 const u8 *data; 220 const u8 *data;
228 221
229 memset(he_obss_pd, 0, sizeof(*he_obss_ 222 memset(he_obss_pd, 0, sizeof(*he_obss_pd));
230 223
231 if (!he_spr_ie_elem) 224 if (!he_spr_ie_elem)
232 return; 225 return;
233 <<
234 he_obss_pd->sr_ctrl = he_spr_ie_elem-> <<
235 data = he_spr_ie_elem->optional; 226 data = he_spr_ie_elem->optional;
236 227
237 if (he_spr_ie_elem->he_sr_control & 228 if (he_spr_ie_elem->he_sr_control &
238 IEEE80211_HE_SPR_NON_SRG_OFFSET_PR 229 IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT)
239 he_obss_pd->non_srg_max_offset !! 230 data++;
240 <<
241 if (he_spr_ie_elem->he_sr_control & 231 if (he_spr_ie_elem->he_sr_control &
242 IEEE80211_HE_SPR_SRG_INFORMATION_P 232 IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT) {
243 he_obss_pd->min_offset = *data <<
244 he_obss_pd->max_offset = *data 233 he_obss_pd->max_offset = *data++;
245 memcpy(he_obss_pd->bss_color_b !! 234 he_obss_pd->min_offset = *data++;
246 data += 8; <<
247 memcpy(he_obss_pd->partial_bss <<
248 he_obss_pd->enable = true; 235 he_obss_pd->enable = true;
249 } 236 }
250 } 237 }
251 238
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