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P2P: Add some more details on Service Query TLV format

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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
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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 will be automatically removed when the specified peer has replied to
it. 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 For UPnP, an alternative command format can be used to specify a
single query TLV (i.e., a service discovery for a specific UPnP single query TLV (i.e., a service discovery for a specific UPnP
service): service):