From: Bhagavathi Perumal S <bperumal@xxxxxxxxxxxxxx>
This allows users to get ack signal strength of
last transmitted frame.
Signed-off-by: Bhagavathi Perumal S <bperumal@xxxxxxxxxxxxxx>
Signed-off-by: Venkateswara Naralasetty <vnaralas@xxxxxxxxxxxxxx>
---
net/mac80211/sta_info.c | 6 ++++++
net/mac80211/sta_info.h | 1 +
net/mac80211/status.c | 5 ++++-
3 files changed, 11 insertions(+), 1 deletion(-)
diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
index 0c5627f..b20b9f3 100644
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
@@ -2287,6 +2287,12 @@ void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
sinfo->filled |= BIT(NL80211_STA_INFO_EXPECTED_THROUGHPUT);
sinfo->expected_throughput = thr;
}
+
+ if (!(sinfo->filled & BIT_ULL(NL80211_STA_INFO_ACK_SIGNAL)) &&
+ sta->status_stats.last_ack_signal) {
+ sinfo->ack_signal = sta->status_stats.last_ack_signal;
+ sinfo->filled |= BIT_ULL(NL80211_STA_INFO_ACK_SIGNAL);
+ }
}
u32 sta_get_expected_throughput(struct sta_info *sta)
diff --git a/net/mac80211/sta_info.h b/net/mac80211/sta_info.h
index cd53619..f4bf0c3 100644
--- a/net/mac80211/sta_info.h
+++ b/net/mac80211/sta_info.h
@@ -548,6 +548,7 @@ struct sta_info {
u64 msdu_retries[IEEE80211_NUM_TIDS + 1];
u64 msdu_failed[IEEE80211_NUM_TIDS + 1];
unsigned long last_ack;
+ s8 last_ack_signal;
} status_stats;
/* Updated from TX path only, no locking requirements */
diff --git a/net/mac80211/status.c b/net/mac80211/status.c
index da7427a..3180f02 100644
--- a/net/mac80211/status.c
+++ b/net/mac80211/status.c
@@ -187,9 +187,12 @@ static void ieee80211_frame_acked(struct sta_info *sta, struct sk_buff *skb)
struct ieee80211_mgmt *mgmt = (void *) skb->data;
struct ieee80211_local *local = sta->local;
struct ieee80211_sub_if_data *sdata = sta->sdata;
+ struct ieee80211_tx_info *txinfo = IEEE80211_SKB_CB(skb);
- if (ieee80211_hw_check(&local->hw, REPORTS_TX_ACK_STATUS))
+ if (ieee80211_hw_check(&local->hw, REPORTS_TX_ACK_STATUS)) {
sta->status_stats.last_ack = jiffies;
+ sta->status_stats.last_ack_signal = (s8)txinfo->status.ack_signal;
+ }
if (ieee80211_is_data_qos(mgmt->frame_control)) {
struct ieee80211_hdr *hdr = (void *) skb->data;
--
2.7.4
