Linux/net/mac80211/he.c

Version: ~ [ linux-6.12-rc7 ] ~ [ linux-6.11.7 ] ~ [ linux-6.10.14 ] ~ [ linux-6.9.12 ] ~ [ linux-6.8.12 ] ~ [ linux-6.7.12 ] ~ [ linux-6.6.60 ] ~ [ linux-6.5.13 ] ~ [ linux-6.4.16 ] ~ [ linux-6.3.13 ] ~ [ linux-6.2.16 ] ~ [ linux-6.1.116 ] ~ [ linux-6.0.19 ] ~ [ linux-5.19.17 ] ~ [ linux-5.18.19 ] ~ [ linux-5.17.15 ] ~ [ linux-5.16.20 ] ~ [ linux-5.15.171 ] ~ [ linux-5.14.21 ] ~ [ linux-5.13.19 ] ~ [ linux-5.12.19 ] ~ [ linux-5.11.22 ] ~ [ linux-5.10.229 ] ~ [ linux-5.9.16 ] ~ [ linux-5.8.18 ] ~ [ linux-5.7.19 ] ~ [ linux-5.6.19 ] ~ [ linux-5.5.19 ] ~ [ linux-5.4.285 ] ~ [ linux-5.3.18 ] ~ [ linux-5.2.21 ] ~ [ linux-5.1.21 ] ~ [ linux-5.0.21 ] ~ [ linux-4.20.17 ] ~ [ linux-4.19.323 ] ~ [ linux-4.18.20 ] ~ [ linux-4.17.19 ] ~ [ linux-4.16.18 ] ~ [ linux-4.15.18 ] ~ [ linux-4.14.336 ] ~ [ linux-4.13.16 ] ~ [ linux-4.12.14 ] ~ [ linux-4.11.12 ] ~ [ linux-4.10.17 ] ~ [ linux-4.9.337 ] ~ [ linux-4.4.302 ] ~ [ linux-3.10.108 ] ~ [ linux-2.6.32.71 ] ~ [ linux-2.6.0 ] ~ [ linux-2.4.37.11 ] ~ [ unix-v6-master ] ~ [ ccs-tools-1.8.12 ] ~ [ policy-sample ] ~
Architecture: ~ [ i386 ] ~ [ alpha ] ~ [ m68k ] ~ [ mips ] ~ [ ppc ] ~ [ sparc ] ~ [ sparc64 ] ~

Diff markup

1 // SPDX-License-Identifier: GPL-2.0-only << 2 /* 1 /* 3 * HE handling 2 * HE handling 4 * 3 * 5 * Copyright(c) 2017 Intel Deutschland GmbH 4 * Copyright(c) 2017 Intel Deutschland GmbH 6 * Copyright(c) 2019 - 2023 Intel Corporation !! 5 * >> 6 * This program is free software; you can redistribute it and/or modify >> 7 * it under the terms of the GNU General Public License version 2 as >> 8 * published by the Free Software Foundation. 7 */ 9 */ 8 10 9 #include "ieee80211_i.h" 11 #include "ieee80211_i.h" 10 12 11 static void << 12 ieee80211_update_from_he_6ghz_capa(const struc << 13 struct link << 14 { << 15 struct sta_info *sta = link_sta->sta; << 16 enum ieee80211_smps_mode smps_mode; << 17 << 18 if (sta->sdata->vif.type == NL80211_IF << 19 sta->sdata->vif.type == NL80211_IF << 20 switch (le16_get_bits(he_6ghz_ << 21 IEEE8021 << 22 case WLAN_HT_CAP_SM_PS_INVALID << 23 case WLAN_HT_CAP_SM_PS_STATIC: << 24 smps_mode = IEEE80211_ << 25 break; << 26 case WLAN_HT_CAP_SM_PS_DYNAMIC << 27 smps_mode = IEEE80211_ << 28 break; << 29 case WLAN_HT_CAP_SM_PS_DISABLE << 30 smps_mode = IEEE80211_ << 31 break; << 32 } << 33 << 34 link_sta->pub->smps_mode = smp << 35 } else { << 36 link_sta->pub->smps_mode = IEE << 37 } << 38 << 39 switch (le16_get_bits(he_6ghz_capa->ca << 40 IEEE80211_HE_6GH << 41 case IEEE80211_VHT_CAP_MAX_MPDU_LENGTH << 42 link_sta->pub->agg.max_amsdu_l << 43 break; << 44 case IEEE80211_VHT_CAP_MAX_MPDU_LENGTH << 45 link_sta->pub->agg.max_amsdu_l << 46 break; << 47 case IEEE80211_VHT_CAP_MAX_MPDU_LENGTH << 48 default: << 49 link_sta->pub->agg.max_amsdu_l << 50 break; << 51 } << 52 << 53 ieee80211_sta_recalc_aggregates(&sta-> << 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 } << 108 << 109 void 13 void 110 ieee80211_he_cap_ie_to_sta_he_cap(struct ieee8 14 ieee80211_he_cap_ie_to_sta_he_cap(struct ieee80211_sub_if_data *sdata, 111 struct ieee8 15 struct ieee80211_supported_band *sband, 112 const u8 *he 16 const u8 *he_cap_ie, u8 he_cap_len, 113 const struct !! 17 struct sta_info *sta) 114 struct link_ << 115 { 18 { 116 struct ieee80211_sta_he_cap *he_cap = !! 19 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 20 struct ieee80211_he_cap_elem *he_cap_ie_elem = (void *)he_cap_ie; 120 u8 he_ppe_size; 21 u8 he_ppe_size; 121 u8 mcs_nss_size; 22 u8 mcs_nss_size; 122 u8 he_total_size; 23 u8 he_total_size; 123 bool own_160, peer_160, own_80p80, pee << 124 24 125 memset(he_cap, 0, sizeof(*he_cap)); 25 memset(he_cap, 0, sizeof(*he_cap)); 126 26 127 if (!he_cap_ie) !! 27 if (!he_cap_ie || !ieee80211_get_he_sta_cap(sband)) 128 return; 28 return; 129 29 130 own_he_cap_ptr = << 131 ieee80211_get_he_iftype_cap_vi << 132 if (!own_he_cap_ptr) << 133 return; << 134 << 135 own_he_cap = *own_he_cap_ptr; << 136 << 137 /* Make sure size is OK */ 30 /* Make sure size is OK */ 138 mcs_nss_size = ieee80211_he_mcs_nss_si 31 mcs_nss_size = ieee80211_he_mcs_nss_size(he_cap_ie_elem); 139 he_ppe_size = 32 he_ppe_size = 140 ieee80211_he_ppe_size(he_cap_i 33 ieee80211_he_ppe_size(he_cap_ie[sizeof(he_cap->he_cap_elem) + 141 34 mcs_nss_size], 142 he_cap_i 35 he_cap_ie_elem->phy_cap_info); 143 he_total_size = sizeof(he_cap->he_cap_ 36 he_total_size = sizeof(he_cap->he_cap_elem) + mcs_nss_size + 144 he_ppe_size; 37 he_ppe_size; 145 if (he_cap_len < he_total_size) 38 if (he_cap_len < he_total_size) 146 return; 39 return; 147 40 148 memcpy(&he_cap->he_cap_elem, he_cap_ie 41 memcpy(&he_cap->he_cap_elem, he_cap_ie, sizeof(he_cap->he_cap_elem)); 149 42 150 /* HE Tx/Rx HE MCS NSS Support Field * 43 /* HE Tx/Rx HE MCS NSS Support Field */ 151 memcpy(&he_cap->he_mcs_nss_supp, 44 memcpy(&he_cap->he_mcs_nss_supp, 152 &he_cap_ie[sizeof(he_cap->he_ca 45 &he_cap_ie[sizeof(he_cap->he_cap_elem)], mcs_nss_size); 153 46 154 /* Check if there are (optional) PPE T 47 /* Check if there are (optional) PPE Thresholds */ 155 if (he_cap->he_cap_elem.phy_cap_info[6 48 if (he_cap->he_cap_elem.phy_cap_info[6] & 156 IEEE80211_HE_PHY_CAP6_PPE_THRESHOL 49 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) 157 memcpy(he_cap->ppe_thres, 50 memcpy(he_cap->ppe_thres, 158 &he_cap_ie[sizeof(he_ca 51 &he_cap_ie[sizeof(he_cap->he_cap_elem) + mcs_nss_size], 159 he_ppe_size); 52 he_ppe_size); 160 53 161 he_cap->has_he = true; 54 he_cap->has_he = true; 162 << 163 link_sta->cur_max_bandwidth = ieee8021 << 164 link_sta->pub->bandwidth = ieee80211_s << 165 << 166 if (sband->band == NL80211_BAND_6GHZ & << 167 ieee80211_update_from_he_6ghz_ << 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 } << 208 << 209 void << 210 ieee80211_he_op_ie_to_bss_conf(struct ieee8021 << 211 const struct ieee80211 << 212 { << 213 memset(&vif->bss_conf.he_oper, 0, size << 214 if (!he_op_ie) << 215 return; << 216 << 217 vif->bss_conf.he_oper.params = __le32_ << 218 vif->bss_conf.he_oper.nss_set = __le16 << 219 } << 220 << 221 void << 222 ieee80211_he_spr_ie_to_bss_conf(struct ieee802 << 223 const struct i << 224 { << 225 struct ieee80211_he_obss_pd *he_obss_p << 226 &vif-> << 227 const u8 *data; << 228 << 229 memset(he_obss_pd, 0, sizeof(*he_obss_ << 230 << 231 if (!he_spr_ie_elem) << 232 return; << 233 << 234 he_obss_pd->sr_ctrl = he_spr_ie_elem-> << 235 data = he_spr_ie_elem->optional; << 236 << 237 if (he_spr_ie_elem->he_sr_control & << 238 IEEE80211_HE_SPR_NON_SRG_OFFSET_PR << 239 he_obss_pd->non_srg_max_offset << 240 << 241 if (he_spr_ie_elem->he_sr_control & << 242 IEEE80211_HE_SPR_SRG_INFORMATION_P << 243 he_obss_pd->min_offset = *data << 244 he_obss_pd->max_offset = *data << 245 memcpy(he_obss_pd->bss_color_b << 246 data += 8; << 247 memcpy(he_obss_pd->partial_bss << 248 he_obss_pd->enable = true; << 249 } << 250 } 55 } 251 56

Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.

TOMOYO Linux Cross Reference
Linux/net/mac80211/he.c

Diff markup

Differences between /net/mac80211/he.c (Version linux-6.12-rc7) and /net/mac80211/he.c (Version linux-5.1.21)

TOMOYO Linux Cross Reference Linux/net/mac80211/he.c

Diff markup

Differences between /net/mac80211/he.c (Version linux-6.12-rc7) and /net/mac80211/he.c (Version linux-5.1.21)

TOMOYO Linux Cross Reference
Linux/net/mac80211/he.c