[PATCHv2] nl80211: Provide TDLS link state

[Paul Stewart <pstew@chromium.org>]

Provide a method to query TDLS state in drivers that use the
NL80211_CMD_TDLS_OPER method for link setup.

Signed-off-by: Paul Stewart <pstew@chromium.org>
---
 include/uapi/linux/nl80211.h | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/include/uapi/linux/nl80211.h b/include/uapi/linux/nl80211.h
index 9922b9b..44aca23 100644
--- a/include/uapi/linux/nl80211.h
+++ b/include/uapi/linux/nl80211.h
@@ -3866,6 +3866,7 @@ enum nl80211_pmksa_candidate_attr {
  * @NL80211_TDLS_TEARDOWN: Teardown a TDLS link which is already established
  * @NL80211_TDLS_ENABLE_LINK: Enable TDLS link
  * @NL80211_TDLS_DISABLE_LINK: Disable TDLS link
+ * @NL80211_TDLS_QUERY_LINK: Query TDLS link status
  */
 enum nl80211_tdls_operation {
 	NL80211_TDLS_DISCOVERY_REQ,
@@ -3873,6 +3874,19 @@ enum nl80211_tdls_operation {
 	NL80211_TDLS_TEARDOWN,
 	NL80211_TDLS_ENABLE_LINK,
 	NL80211_TDLS_DISABLE_LINK,
+	NL80211_TDLS_QUERY_LINK,
+};
+
+/**
+ * enum nl80211_tdls_link_state - values returned for %NL80211_TDLS_QUERY_LINK
+ * @NL80211_TDLS_LINK_STATE_UNKNOWN: Nothing is known about this peer
+ * @NL80211_TDLS_LINK_STATE_UNCONNECTED: TDLS link is not setup to peer
+ * @NL80211_TDLS_LINK_STATE_CONNECTED: TDLS link is setup to peer
+ */
+enum nl80211_tdls_link_state {
+	NL80211_TDLS_LINK_STATE_UNKNOWN,
+	NL80211_TDLS_LINK_STATE_UNCONNECTED,
+	NL80211_TDLS_LINK_STATE_CONNECTED,
 };
 
 /*
-- 
1.9.1.423.g4596e3a