[PATCH 2/3] doc: document BasicServiceSet RSN property

Describe the optional RSN dictionary and its KeyMgmt, Pairwise, and
Group entries.
---
 doc/basic-service-set.txt | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/doc/basic-service-set.txt b/doc/basic-service-set.txt
index f827ca02..b4f2486f 100644
--- a/doc/basic-service-set.txt
+++ b/doc/basic-service-set.txt
@@ -8,3 +8,26 @@ Object path /net/connman/iwd/{phy0,phy1,...}/{1,2,...}/Xxx
 Properties string Address [readonly]

  MAC address of BSS
+
+ dict RSN [readonly, optional]
+
+ Security capabilities advertised in the RSN information
+ element. The dictionary contains the following entries:
+
+ array(string) KeyMgmt
+
+ Key management suites. Values use the same names as
+ the wpa_supplicant D-Bus BSS.RSN property, such as
+ "wpa-psk", "wpa-ft-psk", "sae", "ft-sae",
+ "wpa-eap", and "owe".
+
+ array(string) Pairwise
+
+ Pairwise ciphers. Possible values are "tkip",
+ "ccmp", "gcmp", "ccmp-256", and "gcmp-256".
+
+ string Group
+
+ Group cipher. Possible values are "wep40", "wep104",
+ "tkip", "ccmp", "gcmp", "ccmp-256", and
+ "gcmp-256".
-- 
2.55.0