// SPDX-License-Identifier: GPL-2.0-only /* * HE handling * * Copyright(c) 2017 Intel Deutschland GmbH */ #include "ieee80211_i.h" void ieee80211_he_cap_ie_to_sta_he_cap(struct ieee80211_sub_if_data *sdata, struct ieee80211_supported_band *sband, const u8 *he_cap_ie, u8 he_cap_len, struct sta_info *sta) { struct ieee80211_sta_he_cap *he_cap = &sta->sta.he_cap; struct ieee80211_he_cap_elem *he_cap_ie_elem = (void *)he_cap_ie; u8 he_ppe_size; u8 mcs_nss_size; u8 he_total_size; memset(he_cap, 0, sizeof(*he_cap)); if (!he_cap_ie || !ieee80211_get_he_sta_cap(sband)) return; /* Make sure size is OK */ mcs_nss_size = ieee80211_he_mcs_nss_size(he_cap_ie_elem); he_ppe_size = ieee80211_he_ppe_size(he_cap_ie[sizeof(he_cap->he_cap_elem) + mcs_nss_size], he_cap_ie_elem->phy_cap_info); he_total_size = sizeof(he_cap->he_cap_elem) + mcs_nss_size + he_ppe_size; if (he_cap_len < he_total_size) return; memcpy(&he_cap->he_cap_elem, he_cap_ie, sizeof(he_cap->he_cap_elem)); /* HE Tx/Rx HE MCS NSS Support Field */ memcpy(&he_cap->he_mcs_nss_supp, &he_cap_ie[sizeof(he_cap->he_cap_elem)], mcs_nss_size); /* Check if there are (optional) PPE Thresholds */ if (he_cap->he_cap_elem.phy_cap_info[6] & IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) memcpy(he_cap->ppe_thres, &he_cap_ie[sizeof(he_cap->he_cap_elem) + mcs_nss_size], he_ppe_size); he_cap->has_he = true; }