DLPI Programmer's Guide

98 Chapter 2
DLPI Primitives
Connection-mode Service Primitives
dl_i_pkts_out
number of I PDUs acknowledged by the remote system.
dl_i_pkts_retrans
number of I PDUs re-transmitted.
dl_s_pkts_in
number of S PDUs received.
dl_s_pkts_out
number of S PDUs transmitted.
dl_u_pkts_in
number of U PDUs received.
dl_u_pkts_out
number of U PDUs transmitted.
dl_bad_pkts
number of PDUs with bad control fields received.
dl_retry_cnt
most recent number of times that LLC Type 2 has attempted to force
a response from the remote due to a timer expiration. This value is
re-set to 0 when a response is received.
dl_max_retry_cnt
maximum value that dl_retry_cnt has attained.
dl_max_retries
maximum allowed number of retries before re-setting the connection.
This is sometimes known as the N2 variable.
dl_ack_thresh
maximum number of I PDUs that can be received before an
acknowledgment is sent. If this threshold is reached, an
acknowledgment is sent and the SEND_ACK timer is restarted.
dl_remote_busy_cnt