From: Jouni Malinen <j@w1.fi>
Date: Sun, 13 Jan 2013 11:43:54 +0000 (+0200)
Subject: P2P: Add some more details on Service Query TLV format
X-Git-Tag: aosp-kk-from-upstream~633
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9aadb8774e1065ad2648e2526de296b5f8905ce1;p=thirdparty%2Fhostap.git

P2P: Add some more details on Service Query TLV format

Signed-hostap: Jouni Malinen <j@w1.fi>
---

diff --git a/wpa_supplicant/README-P2P b/wpa_supplicant/README-P2P
index 5e98c959f..fb99c7bcd 100644
--- 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.
 
+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):