From fb28ec0ce4acd54cb1972d224e2caf287b60d9c9 Mon Sep 17 00:00:00 2001 From: Arik Nemtsov Date: Sun, 1 Mar 2015 09:10:02 +0200 Subject: mac80211: TDLS: support VHT between peers Add the AID and VHT-cap/operation IEs during TDLS setup. Remove the block of TDLS peers when setting HT-caps of the peer station. Signed-off-by: Arik Nemtsov Signed-off-by: Emmanuel Grumbach Signed-off-by: Johannes Berg --- net/mac80211/util.c | 35 +++++++++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) (limited to 'net/mac80211/util.c') diff --git a/net/mac80211/util.c b/net/mac80211/util.c index 8428f4a95479..eec94447eef7 100644 --- a/net/mac80211/util.c +++ b/net/mac80211/util.c @@ -2344,6 +2344,41 @@ u8 *ieee80211_ie_build_ht_oper(u8 *pos, struct ieee80211_sta_ht_cap *ht_cap, return pos + sizeof(struct ieee80211_ht_operation); } +u8 *ieee80211_ie_build_vht_oper(u8 *pos, struct ieee80211_sta_vht_cap *vht_cap, + const struct cfg80211_chan_def *chandef) +{ + struct ieee80211_vht_operation *vht_oper; + + *pos++ = WLAN_EID_VHT_OPERATION; + *pos++ = sizeof(struct ieee80211_vht_operation); + vht_oper = (struct ieee80211_vht_operation *)pos; + vht_oper->center_freq_seg1_idx = ieee80211_frequency_to_channel( + chandef->center_freq1); + if (chandef->center_freq2) + vht_oper->center_freq_seg2_idx = + ieee80211_frequency_to_channel(chandef->center_freq2); + + switch (chandef->width) { + case NL80211_CHAN_WIDTH_160: + vht_oper->chan_width = IEEE80211_VHT_CHANWIDTH_160MHZ; + break; + case NL80211_CHAN_WIDTH_80P80: + vht_oper->chan_width = IEEE80211_VHT_CHANWIDTH_80P80MHZ; + break; + case NL80211_CHAN_WIDTH_80: + vht_oper->chan_width = IEEE80211_VHT_CHANWIDTH_80MHZ; + break; + default: + vht_oper->chan_width = IEEE80211_VHT_CHANWIDTH_USE_HT; + break; + } + + /* don't require special VHT peer rates */ + vht_oper->basic_mcs_set = cpu_to_le16(0xffff); + + return pos + sizeof(struct ieee80211_vht_operation); +} + void ieee80211_ht_oper_to_chandef(struct ieee80211_channel *control_chan, const struct ieee80211_ht_operation *ht_oper, struct cfg80211_chan_def *chandef) -- cgit v1.2.1