cfg80211: docbook: add interface combinations documentation

Add the ieee80211_iface_limit and the ieee80211_iface_combination
structures to docbook.  Reformat the examples of combinations
slightly, so it looks a bit better on docbook.

Signed-off-by: Luciano Coelho <luciano.coelho@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

Documentation/DocBook/80211.tmpl

@@ -98,6 +98,8 @@
 !Finclude/net/cfg80211.h priv_to_wiphy
 !Finclude/net/cfg80211.h set_wiphy_dev
 !Finclude/net/cfg80211.h wdev_priv
+!Finclude/net/cfg80211.h ieee80211_iface_limit
+!Finclude/net/cfg80211.h ieee80211_iface_combination
       </chapter>
       <chapter>
       <title>Actions and configuration</title>

include/net/cfg80211.h

@@ -2616,9 +2616,12 @@ struct ieee80211_iface_limit {
  *	only in special cases.
  * @radar_detect_widths: bitmap of channel widths supported for radar detection
  *
- * These examples can be expressed as follows:
+ * With this structure the driver can describe which interface
+ * combinations it supports concurrently.
  *
- * Allow #STA <= 1, #AP <= 1, matching BI, channels = 1, 2 total:
+ * Examples:
+ *
+ * 1. Allow #STA <= 1, #AP <= 1, matching BI, channels = 1, 2 total:
  *
  *  struct ieee80211_iface_limit limits1[] = {
  *	{ .max = 1, .types = BIT(NL80211_IFTYPE_STATION), },
@@ -2632,7 +2635,7 @@ struct ieee80211_iface_limit {
  *  };
  *
  *
- * Allow #{AP, P2P-GO} <= 8, channels = 1, 8 total:
+ * 2. Allow #{AP, P2P-GO} <= 8, channels = 1, 8 total:
  *
  *  struct ieee80211_iface_limit limits2[] = {
  *	{ .max = 8, .types = BIT(NL80211_IFTYPE_AP) |
@@ -2646,7 +2649,8 @@ struct ieee80211_iface_limit {
  *  };
  *
  *
- * Allow #STA <= 1, #{P2P-client,P2P-GO} <= 3 on two channels, 4 total.
+ * 3. Allow #STA <= 1, #{P2P-client,P2P-GO} <= 3 on two channels, 4 total.
+ *
  * This allows for an infrastructure connection and three P2P connections.
  *
  *  struct ieee80211_iface_limit limits3[] = {