4 * Copyright(c) 2017 Intel Deutschland GmbH
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.
11 #include "ieee80211_i.h"
14 ieee80211_he_cap_ie_to_sta_he_cap(struct ieee80211_sub_if_data *sdata,
15 struct ieee80211_supported_band *sband,
16 const u8 *he_cap_ie, u8 he_cap_len,
19 struct ieee80211_sta_he_cap *he_cap = &sta->sta.he_cap;
20 struct ieee80211_he_cap_elem *he_cap_ie_elem = (void *)he_cap_ie;
25 memset(he_cap, 0, sizeof(*he_cap));
27 if (!he_cap_ie || !ieee80211_get_he_sta_cap(sband))
30 /* Make sure size is OK */
31 mcs_nss_size = ieee80211_he_mcs_nss_size(he_cap_ie_elem);
33 ieee80211_he_ppe_size(he_cap_ie[sizeof(he_cap->he_cap_elem) +
35 he_cap_ie_elem->phy_cap_info);
36 he_total_size = sizeof(he_cap->he_cap_elem) + mcs_nss_size +
38 if (he_cap_len < he_total_size)
41 memcpy(&he_cap->he_cap_elem, he_cap_ie, sizeof(he_cap->he_cap_elem));
43 /* HE Tx/Rx HE MCS NSS Support Field */
44 memcpy(&he_cap->he_mcs_nss_supp,
45 &he_cap_ie[sizeof(he_cap->he_cap_elem)], mcs_nss_size);
47 /* Check if there are (optional) PPE Thresholds */
48 if (he_cap->he_cap_elem.phy_cap_info[6] &
49 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT)
50 memcpy(he_cap->ppe_thres,
51 &he_cap_ie[sizeof(he_cap->he_cap_elem) + mcs_nss_size],
54 he_cap->has_he = true;