commit 84f10708f73254878246772cead70a2eb6a123f2
author Thomas Pedersen <c_tpeder@qca.qualcomm.com> Thu Jul 12 16:17:33 2012 -0700
committer Johannes Berg <johannes.berg@intel.com> Tue Jul 17 11:57:23 2012 +0200
tree 39a4ca2f6cc3ab5b33320e3a62d2a8f7c4901b7a
parent 00f5335079689cd65a9430b5df8974dc35c7914b

cfg80211: support TX error rate CQM

Let the user configure serveral TX error conection quality monitoring
parameters: % error rate, survey interval, and # of attempted packets.

On exceeding the TX failure rate over the given interval, the driver
will send a CQM notify event with the actual TX failure rate and
packets attempted.

Signed-off-by: Thomas Pedersen <c_tpeder@qca.qualcomm.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

include/linux/nl80211.h

diff --git a/include/linux/nl80211.h b/include/linux/nl80211.h
index e791487..d6cfacc 100644
--- a/include/linux/nl80211.h
+++ b/include/linux/nl80211.h
@@ -1550,6 +1550,8 @@
 /* default RSSI threshold for scan results if none specified. */
 #define NL80211_SCAN_RSSI_THOLD_OFF		-300
 
+#define NL80211_CQM_TXE_MAX_INTVL		1800
+
 /**
  * enum nl80211_iftype - (virtual) interface types
  *
@@ -2589,6 +2591,17 @@
  * @NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT: RSSI threshold event
  * @NL80211_ATTR_CQM_PKT_LOSS_EVENT: a u32 value indicating that this many
  *	consecutive packets were not acknowledged by the peer
+ * @NL80211_ATTR_CQM_TXE_RATE: TX error rate in %. Minimum % of TX failures
+ *	during the given %NL80211_ATTR_CQM_TXE_INTVL before an
+ *	%NL80211_CMD_NOTIFY_CQM with reported %NL80211_ATTR_CQM_TXE_RATE and
+ *	%NL80211_ATTR_CQM_TXE_PKTS is generated.
+ * @NL80211_ATTR_CQM_TXE_PKTS: number of attempted packets in a given
+ *	%NL80211_ATTR_CQM_TXE_INTVL before %NL80211_ATTR_CQM_TXE_RATE is
+ *	checked.
+ * @NL80211_ATTR_CQM_TXE_INTVL: interval in seconds. Specifies the periodic
+ *	interval in which %NL80211_ATTR_CQM_TXE_PKTS and
+ *	%NL80211_ATTR_CQM_TXE_RATE must be satisfied before generating an
+ *	%NL80211_CMD_NOTIFY_CQM. Set to 0 to turn off TX error reporting.
  * @__NL80211_ATTR_CQM_AFTER_LAST: internal
  * @NL80211_ATTR_CQM_MAX: highest key attribute
  */
@@ -2598,6 +2611,9 @@
 	NL80211_ATTR_CQM_RSSI_HYST,
 	NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT,
 	NL80211_ATTR_CQM_PKT_LOSS_EVENT,
+	NL80211_ATTR_CQM_TXE_RATE,
+	NL80211_ATTR_CQM_TXE_PKTS,
+	NL80211_ATTR_CQM_TXE_INTVL,
 
 	/* keep last */
 	__NL80211_ATTR_CQM_AFTER_LAST,