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iw: avgerage ack rssi changes for data frames

PATCH New Balaji Pothunoori 1 participant 1 message Mar 8, 2018

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Balaji Pothunoori

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PATCH 1/1 iw: avgerage ack rssi changes for data frames

This patchset changes to display the average ack rssi for data frames.
"avg ack signal" field diplay limited by host based on firmware capablities.

Example output:

localhost ~ #iw dev wlan-5000mhz station dump
Station 34:f3:9a:aa:3b:29 (on wlan-5000mhz)

        inactive time:  5370 ms
        rx bytes:       85321
        rx packets:     576
        tx bytes:       14225
        tx packets:     71
        tx retries:     0
        tx failed:      2
        beacon loss:    0
        rx drop misc:   0
        signal:         -54 dBm
        signal avg:     -53 dBm
        tx bitrate:     866.7 MBit/s VHT-MCS 9 80MHz short GI VHT-NSS 2
        rx bitrate:     866.7 MBit/s VHT-MCS 9 80MHz short GI VHT-NSS 2

avg ack signal: -56 dBm
authorized: yes
authenticated: yes
associated: yes
preamble: short
WMM/WME: yes
MFP: no
TDLS peer: no
DTIM period: 2
beacon interval:100
short preamble: yes
short slot time:yes
connected time: 203 seconds

Signed-off-by Balaji Pothunoori <[email protected]>
---
 nl80211.h | 6 ++++++
 station.c | 5 +++++
 2 files changed, 11 insertions(+)
nl80211.h +6 -0
index 56368e9..6e9614d 100644
@@ -2655,6 +2655,10 @@ 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_DATA_AVG_ACK_SIGNAL: avg signal strength of data ACK
+ *     frame(u8, dBm)
  * @__NL80211_STA_INFO_AFTER_LAST: internal
  * @NL80211_STA_INFO_MAX: highest possible station info attribute
  */

@@ -2693,6 +2697,8 @@ enum nl80211_sta_info {
 	NL80211_STA_INFO_TID_STATS,
 	NL80211_STA_INFO_RX_DURATION,
 	NL80211_STA_INFO_PAD,
+	NL80211_STA_INFO_ACK_SIGNAL,
+	NL80211_STA_INFO_DATA_AVG_ACK_SIGNAL,
 
 	/* keep last */
 	__NL80211_STA_INFO_AFTER_LAST,
station.c +5 -0
index f3e3da8..ec1f7bc 100644
@@ -237,6 +237,7 @@ static int print_sta_handler(struct nl_msg *msg, void *arg)
 		[NL80211_STA_INFO_TID_STATS] = { .type = NLA_NESTED },
 		[NL80211_STA_INFO_BSS_PARAM] = { .type = NLA_NESTED },
 		[NL80211_STA_INFO_RX_DURATION] = { .type = NLA_U64 },
+		[NL80211_STA_INFO_DATA_AVG_ACK_SIGNAL] = { .type = NLA_U8 },
 	};
 	char *chain;
 

@@ -338,6 +339,10 @@ static int print_sta_handler(struct nl_msg *msg, void *arg)
 		printf("\n\trx duration:\t%lld us",
 		       (unsigned long long)nla_get_u64(sinfo[NL80211_STA_INFO_RX_DURATION]));
 
+	if (sinfo[NL80211_STA_INFO_DATA_AVG_ACK_SIGNAL])
+		printf("\n\tavg ack signal:\t%d dBm",
+		       (int8_t)nla_get_u8(sinfo[NL80211_STA_INFO_DATA_AVG_ACK_SIGNAL]));
+
 	if (sinfo[NL80211_STA_INFO_EXPECTED_THROUGHPUT]) {
 		uint32_t thr;
Signature · 1 line
2.7.4