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cfg80211: Scan results to also report the per chain signal strength

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This commit enhances the scan results to report the per chain signal
strength based on the latest BSS update. This provides similar
information to what is already available through STA information.

Signed-off-by: Sunil Dutt <usdutt@qti.qualcomm.com>
Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Sunil Dutt
2017-12-13 19:51:36 +02:00
committed by Johannes Berg
parent 86b6c46572
commit 983dafaab7
4 changed files with 22 additions and 0 deletions
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5
net/wireless/scan.c
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@@ -981,6 +981,9 @@ cfg80211_bss_update(struct cfg80211_registered_device *rdev,
found->ts = tmp->ts;
found->ts_boottime = tmp->ts_boottime;
found->parent_tsf = tmp->parent_tsf;
found->pub.chains = tmp->pub.chains;
memcpy(found->pub.chain_signal, tmp->pub.chain_signal,
IEEE80211_MAX_CHAINS);
ether_addr_copy(found->parent_bssid, tmp->parent_bssid);
} else {
struct cfg80211_internal_bss *new;
@@ -1233,6 +1236,8 @@ cfg80211_inform_bss_frame_data(struct wiphy *wiphy,
tmp.pub.capability = le16_to_cpu(mgmt->u.probe_resp.capab_info);
tmp.ts_boottime = data->boottime_ns;
tmp.parent_tsf = data->parent_tsf;
tmp.pub.chains = data->chains;
memcpy(tmp.pub.chain_signal, data->chain_signal, IEEE80211_MAX_CHAINS);
ether_addr_copy(tmp.parent_bssid, data->parent_bssid);
signal_valid = abs(data->chan->center_freq - channel->center_freq) <=