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818255ea47
Save the AP's VHT capabilities (in managed mode) and make them available to the driver in the station information. Unlike HT capabilities, they aren't restricted to the common capabilities, so drivers must be aware of their own capabilities. Signed-off-by: Mahesh Palivela <maheshp@posedge.com> [fix endian conversion bug ...] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
36 lines
923 B
C
36 lines
923 B
C
/*
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* VHT handling
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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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#include <linux/ieee80211.h>
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#include <linux/export.h>
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#include <net/mac80211.h>
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#include "ieee80211_i.h"
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void ieee80211_vht_cap_ie_to_sta_vht_cap(struct ieee80211_sub_if_data *sdata,
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struct ieee80211_supported_band *sband,
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struct ieee80211_vht_cap *vht_cap_ie,
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struct ieee80211_sta_vht_cap *vht_cap)
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{
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if (WARN_ON_ONCE(!vht_cap))
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return;
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memset(vht_cap, 0, sizeof(*vht_cap));
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if (!vht_cap_ie || !sband->vht_cap.vht_supported)
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return;
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vht_cap->vht_supported = true;
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vht_cap->cap = le32_to_cpu(vht_cap_ie->vht_cap_info);
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/* Copy peer MCS info, the driver might need them. */
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memcpy(&vht_cap->vht_mcs, &vht_cap_ie->supp_mcs,
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sizeof(struct ieee80211_vht_mcs_info));
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}
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