From: Bhagavathi Perumal S <bperumal@xxxxxxxxxxxxxx>
This patch provides support for users to get ack signal
strength of last transmitted by introducing new attribute
'NL80211_STA_INFO_ACK_SIGNAL'.
Signed-off-by: Bhagavathi Perumal S <bperumal@xxxxxxxxxxxxxx>
Signed-off-by: Venkateswara Naralasetty <vnaralas@xxxxxxxxxxxxxx>
---
include/net/cfg80211.h | 2 ++
include/uapi/linux/nl80211.h | 2 ++
net/wireless/nl80211.c | 1 +
3 files changed, 5 insertions(+)
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index 3a4a1a9..1236bea 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -1145,6 +1145,7 @@ struct cfg80211_tid_stats {
* @rx_duration: aggregate PPDU duration(usecs) for all the frames from a peer
* @pertid: per-TID statistics, see &struct cfg80211_tid_stats, using the last
* (IEEE80211_NUM_TIDS) index for MSDUs not encapsulated in QoS-MPDUs.
+ * @ack_signal: signal strength (in dBm) of the last ACK frame.
*/
struct station_info {
u64 filled;
@@ -1189,6 +1190,7 @@ struct station_info {
u64 rx_duration;
u8 rx_beacon_signal_avg;
struct cfg80211_tid_stats pertid[IEEE80211_NUM_TIDS + 1];
+ s8 ack_signal;
};
#if IS_ENABLED(CONFIG_CFG80211)
diff --git a/include/uapi/linux/nl80211.h b/include/uapi/linux/nl80211.h
index c587a61..5a1568d 100644
--- a/include/uapi/linux/nl80211.h
+++ b/include/uapi/linux/nl80211.h
@@ -2899,6 +2899,7 @@ enum nl80211_sta_bss_param {
* @NL80211_STA_INFO_RX_DURATION: aggregate PPDU duration for all frames
* received from the station (u64, usec)
* @NL80211_STA_INFO_PAD: attribute used for padding for 64-bit alignment
+ * @NL80211_STA_INFO_ACK_SIGNAL: signal strength of the last ACK frame(u8, dBm)
* @__NL80211_STA_INFO_AFTER_LAST: internal
* @NL80211_STA_INFO_MAX: highest possible station info attribute
*/
@@ -2937,6 +2938,7 @@ enum nl80211_sta_info {
NL80211_STA_INFO_TID_STATS,
NL80211_STA_INFO_RX_DURATION,
NL80211_STA_INFO_PAD,
+ NL80211_STA_INFO_ACK_SIGNAL,
/* keep last */
__NL80211_STA_INFO_AFTER_LAST,
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index b3f8970..94c623e 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -4479,6 +4479,7 @@ static int nl80211_send_station(struct sk_buff *msg, u32 cmd, u32 portid,
PUT_SINFO_U64(RX_DROP_MISC, rx_dropped_misc);
PUT_SINFO_U64(BEACON_RX, rx_beacon);
PUT_SINFO(BEACON_SIGNAL_AVG, rx_beacon_signal_avg, u8);
+ PUT_SINFO(ACK_SIGNAL, ack_signal, u8);
#undef PUT_SINFO
#undef PUT_SINFO_U64
--
2.7.4
