Specifications

HighWire MTP-2 - 1.2, September 4, 2002 CBI Messages: Detailed Description 93
6-3-34. CBI_M2_RETRIEVAL_REQ_
FSNC
The L3 sends this message to the L2 to request that it return data messages
that were previously sent by the L3 for transmission by the L2, but which have
not yet been acknowledged by the peer L2 process. The messages to be
returned are those starting from the one after the given sequence number.
The L2 returns the messages using CBI_M2_RETRIEVED_MESSAGE
messages on the L2 - L3 Management Interface.
Data structure.
typedef struct cbi_m2_retrieval_req_fsnc
{
CBI_IPS ips_hdr;
CBI_ULONG fsnc;
} CBI_M2_RETRIEVAL_REQ_FSNC;
Parameters.
ips_hdr
ips_hdrips_hdr
ips_hdr
IPS Header. For definition, see Section 6-1-1. The following fields are specified
below:
ips_type
ips_typeips_type
ips_type - IPS_CBI_M2_RETRIEVAL_REQ_FSNC.
sender_handle
sender_handlesender_handle
sender_handle - L2’s handle for the join for this link.
receiver_handle
receiver_handlereceiver_handle
receiver_handle - L3’s handle for the join for this link.
fsnc
fsncfsnc
fsnc
Messages with send sequence number greater than the value in fsnc
fsnc fsnc
fsnc are
returned, in order, by the L2. The valid range for fsnc
fsnc fsnc
fsnc is 0 to 2^24 - 1.
6-3-35. CBI_M2_RETRIEVED_
MESSAGE
L2 sends this message to the L3 to return a data message requested by the
L3 using a CBI_M2_RETRIEVAL_REQ_FSNC message.
There is no response to this message.
Data structure.
typedef struct cbi_m2_retrieved_message
{
CBI_IPS ips_hdr;
CBI_PKT_HDR pkt_hdr;
} CBI_M2_RETRIEVED_MESSAGE;
Parameters.
ips_hdr
ips_hdrips_hdr
ips_hdr
IPS Header. For definition, see Section 6-1-1. The following fields are specified
below:
ips_type
ips_typeips_type
ips_type - IPS_CBI_M2_REM_RETRIEVED_MESSAGE.
sender_handle
sender_handlesender_handle
sender_handle - L2’s handle for the join for this link.
receiver_handle
receiver_handlereceiver_handle
receiver_handle - L3’s handle for the join for this link.
pkt_hdr
pkt_hdrpkt_hdr
pkt_hdr
Packet Header. See Section 6-1-4 for more information.