Specifications

HighWire MTP-2 - 1.2, September 4, 2002 CBI Messages: Detailed Description 77
6-3-22. CBI_M2_MSG_FOR_
XMISSION
The L3 sends this message to the L2 to pass it a data message to be sent
over the link.
There is no response to this message.
Data structure.
typedef struct cbi_m2_msg_for_xmission
{
CBI_IPS ips_hdr;
CBI_PKT_HDR pkt_hdr;
CBI_ULONG dest_pt_code_len;
CBI_BYTE dest_pt_code[CBI_MAX_DEST_PT_CODE_LEN];
} CBI_M2_MSG_FOR_XMISSION;
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_MSG_FOR_XMISSION.
sender_handle
sender_handlesender_handle
sender_handle - L3’s handle for the join for this link.
receiver_handle
receiver_handlereceiver_handle
receiver_handle - L2’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.
dest_pt_code_len
dest_pt_code_lendest_pt_code_len
dest_pt_code_len
The number of valid characters in the dest_pt_code
dest_pt_code dest_pt_code
dest_pt_code field.
dest_pt_code[]
dest_pt_code[]dest_pt_code[]
dest_pt_code[]
The Destination Point Code for this link. MTP3 supplies this field in a form
suitable for logging as a string of characters. The sole reason for supplying it
is for logging purposes.