From: Ben Greear <greearb@xxxxxxxxxxxxxxx>
For non-station devices. This gives at least some useful
summary in some cases (especially when we know AP has only one
station attached, for instance).
Signed-off-by: Ben Greear <greearb@xxxxxxxxxxxxxxx>
---
v2: Remove commented out pr_err code, remove trailing i++ that had no effect.
net/mac80211/ethtool.c | 49 +++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 49 insertions(+)
diff --git a/net/mac80211/ethtool.c b/net/mac80211/ethtool.c
index 4e937c1..e7df3d3 100644
--- a/net/mac80211/ethtool.c
+++ b/net/mac80211/ethtool.c
@@ -12,6 +12,25 @@
#include "ieee80211_i.h"
#include "sta_info.h"
#include "driver-ops.h"
+#include <asm/div64.h>
+
+static inline __s64 mac_div(__s64 n, __u32 base)
+{
+ if (n < 0) {
+ __u64 tmp = -n;
+ do_div(tmp, base);
+ /* printk("pktgen: pg_div, n: %llu base: %d rv: %llu\n",
+ n, base, tmp); */
+ return -tmp;
+ }
+ else {
+ __u64 tmp = n;
+ do_div(tmp, base);
+ /* printk("pktgen: pg_div, n: %llu base: %d rv: %llu\n",
+ n, base, tmp); */
+ return tmp;
+ }
+}
static int ieee80211_set_ringparam(struct net_device *dev,
struct ethtool_ringparam *rp)
@@ -128,6 +147,12 @@ static void ieee80211_get_stats(struct net_device *dev,
data[i] = (u8)sinfo.signal_avg;
i++;
} else {
+ int amt_tx = 0;
+ int amt_rx = 0;
+ int amt_sig = 0;
+ s64 tx_accum = 0;
+ s64 rx_accum = 0;
+ s64 sig_accum = 0;
list_for_each_entry(sta, &local->sta_list, list) {
/* Make sure this station belongs to the proper dev */
if (sta->sdata->dev != dev)
@@ -137,6 +162,30 @@ static void ieee80211_get_stats(struct net_device *dev,
sta_set_sinfo(sta, &sinfo);
i = 0;
ADD_STA_STATS(sta);
+
+ i++; /* skip sta state */
+
+ if (sinfo.filled & BIT(NL80211_STA_INFO_TX_BITRATE)) {
+ tx_accum += 100000 *
+ cfg80211_calculate_bitrate(&sinfo.txrate);
+ amt_tx++;
+ data[i] = mac_div(tx_accum, amt_tx);
+ }
+ i++;
+
+ if (sinfo.filled & BIT(NL80211_STA_INFO_RX_BITRATE)) {
+ rx_accum += 100000 *
+ cfg80211_calculate_bitrate(&sinfo.rxrate);
+ amt_rx++;
+ data[i] = mac_div(rx_accum, amt_rx);
+ }
+ i++;
+
+ if (sinfo.filled & BIT(NL80211_STA_INFO_SIGNAL_AVG)) {
+ sig_accum += sinfo.signal_avg;
+ amt_sig++;
+ data[i] = (mac_div(sig_accum, amt_sig) & 0xFF);
+ }
}
}
--
2.4.11
