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mac80211: add support for HE

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Add support for HE in mac80211 conforming with P802.11ax_D1.4.

Johannes: Fix another bug with the buf_size comparison in agg-rx.c.

Signed-off-by: Liad Kaufman <liad.kaufman@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Ilan Peer <ilan.peer@intel.com>
Signed-off-by: Ido Yariv <idox.yariv@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Luca Coelho
2018-06-09 09:14:44 +03:00
committed by Johannes Berg
parent b8042b3da9
commit 41cbb0f5a2
14 changed files with 716 additions and 45 deletions
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19
net/mac80211/main.c
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@@ -3,6 +3,7 @@
* Copyright 2005-2006, Devicescape Software, Inc.
* Copyright 2006-2007 Jiri Benc <jbenc@suse.cz>
* Copyright 2013-2014 Intel Mobile Communications GmbH
* Copyright (C) 2017 Intel Deutschland GmbH
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
@@ -825,7 +826,7 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
int result, i;
enum nl80211_band band;
int channels, max_bitrates;
bool supp_ht, supp_vht;
bool supp_ht, supp_vht, supp_he;
netdev_features_t feature_whitelist;
struct cfg80211_chan_def dflt_chandef = {};
@@ -905,6 +906,7 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
max_bitrates = 0;
supp_ht = false;
supp_vht = false;
supp_he = false;
for (band = 0; band < NUM_NL80211_BANDS; band++) {
struct ieee80211_supported_band *sband;
@@ -931,6 +933,9 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
supp_ht = supp_ht || sband->ht_cap.ht_supported;
supp_vht = supp_vht || sband->vht_cap.vht_supported;
if (!supp_he)
supp_he = !!ieee80211_get_he_sta_cap(sband);
if (!sband->ht_cap.ht_supported)
continue;
@@ -1020,6 +1025,18 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
local->scan_ies_len +=
2 + sizeof(struct ieee80211_vht_cap);
/* HE cap element is variable in size - set len to allow max size */
/*
* TODO: 1 is added at the end of the calculation to accommodate for
* the temporary placing of the HE capabilities IE under EXT.
* Remove it once it is placed in the final place.
*/
if (supp_he)
local->scan_ies_len +=
2 + sizeof(struct ieee80211_he_cap_elem) +
sizeof(struct ieee80211_he_mcs_nss_supp) +
IEEE80211_HE_PPE_THRES_MAX_LEN + 1;
if (!local->ops->hw_scan) {
/* For hw_scan, driver needs to set these up. */
local->hw.wiphy->max_scan_ssids = 4;