cfg80211: configuration for WoWLAN over TCP

Intel Wireless devices are able to make a TCP connection
after suspending, sending some data and waking up when
the connection receives wakeup data (or breaks). Add the
WoWLAN configuration and feature advertising API for it.

Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
diff --git a/net/wireless/core.h b/net/wireless/core.h
index 37d70dc..949c957 100644
--- a/net/wireless/core.h
+++ b/net/wireless/core.h
@@ -108,6 +108,9 @@
 	for (i = 0; i < rdev->wowlan->n_patterns; i++)
 		kfree(rdev->wowlan->patterns[i].mask);
 	kfree(rdev->wowlan->patterns);
+	if (rdev->wowlan->tcp && rdev->wowlan->tcp->sock)
+		sock_release(rdev->wowlan->tcp->sock);
+	kfree(rdev->wowlan->tcp);
 	kfree(rdev->wowlan);
 }