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P2P: Add some more details on Service Query TLV format 

Signed-hostap: Jouni Malinen <j@w1.fi>
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Jouni Malinen 2013-01-13 13:43:54 +02:00
parent 93c7e332c2
commit 9aadb8774e
1 changed files with 13 additions and 0 deletions
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13
wpa_supplicant/README-P2P
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@ -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):