48 lines
1.2 KiB
C
48 lines
1.2 KiB
C
/*
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* HT-related code for altobeam APOLLO driver
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* *
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* Copyright (c) 2016, altobeam
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* Author:
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*
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* Based on apollo code
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* Copyright (c) 2010, ST-Ericsson
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* Author: Dmitry Tarnyagin <dmitry.tarnyagin@stericsson.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#ifndef ATBM_APOLLO_HT_H_INCLUDED
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#define ATBM_APOLLO_HT_H_INCLUDED
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#include <net/atbm_mac80211.h>
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struct atbm_ht_info {
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struct ieee80211_sta_ht_cap ht_cap;
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enum nl80211_channel_type channel_type;
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u16 operation_mode;
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};
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static inline int atbm_is_ht(const struct atbm_ht_info *ht_info)
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{
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return ht_info->channel_type != NL80211_CHAN_NO_HT;
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}
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static inline int atbm_ht_greenfield(const struct atbm_ht_info *ht_info)
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{
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return atbm_is_ht(ht_info) &&
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(ht_info->ht_cap.cap & IEEE80211_HT_CAP_GRN_FLD) &&
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!(ht_info->operation_mode &
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IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT);
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}
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static inline int atbm_ht_ampdu_density(const struct atbm_ht_info *ht_info)
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{
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if (!atbm_is_ht(ht_info))
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return 0;
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return ht_info->ht_cap.ampdu_density;
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}
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#endif /* ATBM_APOLLO_HT_H_INCLUDED */
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