^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0-only
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * HE handling
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Copyright(c) 2017 Intel Deutschland GmbH
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * Copyright(c) 2019 - 2020 Intel Corporation
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include "ieee80211_i.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) static void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) ieee80211_update_from_he_6ghz_capa(const struct ieee80211_he_6ghz_capa *he_6ghz_capa,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) struct sta_info *sta)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) enum ieee80211_smps_mode smps_mode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) if (sta->sdata->vif.type == NL80211_IFTYPE_AP ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) switch (le16_get_bits(he_6ghz_capa->capa,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) IEEE80211_HE_6GHZ_CAP_SM_PS)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) case WLAN_HT_CAP_SM_PS_INVALID:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) case WLAN_HT_CAP_SM_PS_STATIC:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) smps_mode = IEEE80211_SMPS_STATIC;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) case WLAN_HT_CAP_SM_PS_DYNAMIC:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) smps_mode = IEEE80211_SMPS_DYNAMIC;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) case WLAN_HT_CAP_SM_PS_DISABLED:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) smps_mode = IEEE80211_SMPS_OFF;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) sta->sta.smps_mode = smps_mode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) sta->sta.smps_mode = IEEE80211_SMPS_OFF;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) switch (le16_get_bits(he_6ghz_capa->capa,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) IEEE80211_HE_6GHZ_CAP_MAX_MPDU_LEN)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) case IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) sta->sta.max_amsdu_len = IEEE80211_MAX_MPDU_LEN_VHT_11454;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) case IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) sta->sta.max_amsdu_len = IEEE80211_MAX_MPDU_LEN_VHT_7991;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) case IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) sta->sta.max_amsdu_len = IEEE80211_MAX_MPDU_LEN_VHT_3895;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) sta->sta.he_6ghz_capa = *he_6ghz_capa;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) ieee80211_he_cap_ie_to_sta_he_cap(struct ieee80211_sub_if_data *sdata,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) struct ieee80211_supported_band *sband,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) const u8 *he_cap_ie, u8 he_cap_len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) const struct ieee80211_he_6ghz_capa *he_6ghz_capa,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) struct sta_info *sta)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) struct ieee80211_sta_he_cap *he_cap = &sta->sta.he_cap;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) struct ieee80211_he_cap_elem *he_cap_ie_elem = (void *)he_cap_ie;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) u8 he_ppe_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) u8 mcs_nss_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) u8 he_total_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) memset(he_cap, 0, sizeof(*he_cap));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) if (!he_cap_ie || !ieee80211_get_he_sta_cap(sband))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) /* Make sure size is OK */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) mcs_nss_size = ieee80211_he_mcs_nss_size(he_cap_ie_elem);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) he_ppe_size =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) ieee80211_he_ppe_size(he_cap_ie[sizeof(he_cap->he_cap_elem) +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) mcs_nss_size],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) he_cap_ie_elem->phy_cap_info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) he_total_size = sizeof(he_cap->he_cap_elem) + mcs_nss_size +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) he_ppe_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) if (he_cap_len < he_total_size)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) memcpy(&he_cap->he_cap_elem, he_cap_ie, sizeof(he_cap->he_cap_elem));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) /* HE Tx/Rx HE MCS NSS Support Field */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) memcpy(&he_cap->he_mcs_nss_supp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) &he_cap_ie[sizeof(he_cap->he_cap_elem)], mcs_nss_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) /* Check if there are (optional) PPE Thresholds */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) if (he_cap->he_cap_elem.phy_cap_info[6] &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) memcpy(he_cap->ppe_thres,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) &he_cap_ie[sizeof(he_cap->he_cap_elem) + mcs_nss_size],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) he_ppe_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) he_cap->has_he = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) sta->cur_max_bandwidth = ieee80211_sta_cap_rx_bw(sta);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) sta->sta.bandwidth = ieee80211_sta_cur_vht_bw(sta);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) if (sband->band == NL80211_BAND_6GHZ && he_6ghz_capa)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) ieee80211_update_from_he_6ghz_capa(he_6ghz_capa, sta);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) ieee80211_he_op_ie_to_bss_conf(struct ieee80211_vif *vif,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) const struct ieee80211_he_operation *he_op_ie)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) memset(&vif->bss_conf.he_oper, 0, sizeof(vif->bss_conf.he_oper));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) if (!he_op_ie)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) vif->bss_conf.he_oper.params = __le32_to_cpu(he_op_ie->he_oper_params);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) vif->bss_conf.he_oper.nss_set = __le16_to_cpu(he_op_ie->he_mcs_nss_set);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) ieee80211_he_spr_ie_to_bss_conf(struct ieee80211_vif *vif,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) const struct ieee80211_he_spr *he_spr_ie_elem)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) struct ieee80211_he_obss_pd *he_obss_pd =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) &vif->bss_conf.he_obss_pd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) const u8 *data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) memset(he_obss_pd, 0, sizeof(*he_obss_pd));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) if (!he_spr_ie_elem)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) data = he_spr_ie_elem->optional;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) if (he_spr_ie_elem->he_sr_control &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) data++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) if (he_spr_ie_elem->he_sr_control &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) he_obss_pd->max_offset = *data++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) he_obss_pd->min_offset = *data++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) he_obss_pd->enable = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) }
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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