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mac80211: Use proper chan_width enum in sta opmode event

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Bandwidth change value reported via nl80211 contains mac80211
specific enum value(ieee80211_sta_rx_bw) and which is not
understand by userspace application. Map the mac80211 specific
value to nl80211_chan_width enum value to avoid using wrong value
in the userspace application. And used station's ht/vht capability
to map IEEE80211_STA_RX_BW_20 and IEEE80211_STA_RX_BW_160 with
proper nl80211 value.

Signed-off-by: Tamizh chelvam <tamizhr@codeaurora.org>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
tamizhr@codeaurora.org
2018-03-27 19:16:17 +05:30
committed by Johannes Berg
parent 57566b2003
commit 97f5f4254a
3 changed files with 35 additions and 2 deletions
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32
net/mac80211/vht.c
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@@ -358,6 +358,36 @@ enum nl80211_chan_width ieee80211_sta_cap_chan_bw(struct sta_info *sta)
return NL80211_CHAN_WIDTH_80;
}
enum nl80211_chan_width
ieee80211_sta_rx_bw_to_chan_width(struct sta_info *sta)
{
enum ieee80211_sta_rx_bandwidth cur_bw = sta->sta.bandwidth;
struct ieee80211_sta_vht_cap *vht_cap = &sta->sta.vht_cap;
u32 cap_width;
switch (cur_bw) {
case IEEE80211_STA_RX_BW_20:
if (!sta->sta.ht_cap.ht_supported)
return NL80211_CHAN_WIDTH_20_NOHT;
else
return NL80211_CHAN_WIDTH_20;
case IEEE80211_STA_RX_BW_40:
return NL80211_CHAN_WIDTH_40;
case IEEE80211_STA_RX_BW_80:
return NL80211_CHAN_WIDTH_80;
case IEEE80211_STA_RX_BW_160:
cap_width =
vht_cap->cap & IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK;
if (cap_width == IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ)
return NL80211_CHAN_WIDTH_160;
return NL80211_CHAN_WIDTH_80P80;
default:
return NL80211_CHAN_WIDTH_20;
}
}
enum ieee80211_sta_rx_bandwidth
ieee80211_chan_width_to_rx_bw(enum nl80211_chan_width width)
{
@@ -484,7 +514,7 @@ u32 __ieee80211_vht_handle_opmode(struct ieee80211_sub_if_data *sdata,
new_bw = ieee80211_sta_cur_vht_bw(sta);
if (new_bw != sta->sta.bandwidth) {
sta->sta.bandwidth = new_bw;
sta_opmode.bw = new_bw;
sta_opmode.bw = ieee80211_sta_rx_bw_to_chan_width(sta);
changed |= IEEE80211_RC_BW_CHANGED;
sta_opmode.changed |= STA_OPMODE_MAX_BW_CHANGED;
}