P2P: Add some more details on Service Query TLV format

[mech_eap.git] / wpa_supplicant / README-P2P

diff --git a/wpa_supplicant/README-P2P b/wpa_supplicant/README-P2P
index 5e98c95..fb99c7b 100644 (file)
--- a/wpa_supplicant/README-P2P
+++ b/wpa_supplicant/README-P2P
@@ -225,6 +225,19 @@ This command returns an identifier for the pending query (e.g.,
 will be automatically removed when the specified peer has replied to
 it.
 
 will be automatically removed when the specified peer has replied to
 it.
 

+Service Query TLV has following format:
+Length (2 octets, little endian) - length of following data
+Service Protocol Type (1 octet) - see the table below
+Service Transaction ID (1 octet) - nonzero identifier for the TLV
+Query Data (Length - 2 octets of data) - service protocol specific data
+
+Service Protocol Types:
+0 = All service protocols
+1 = Bonjour
+2 = UPnP
+3 = WS-Discovery
+4 = Wi-Fi Display
+

 For UPnP, an alternative command format can be used to specify a
 single query TLV (i.e., a service discovery for a specific UPnP
 service):
 For UPnP, an alternative command format can be used to specify a
 single query TLV (i.e., a service discovery for a specific UPnP
 service):