DLPI Primitives

Connection-mode Service Primitives

dl_busy_to

length of the BUSY timeout in tenths of a second. The BUSY timeout determines the length of time that LLC Type 2 will wait for an indication that a remote busy condition has been cleared before attempting to force a response.

dl_send_ack_timeout

length of the SEND_ACK timeout in tenths of a second. The SEND_ACK timeout determines the maximum length of time that LLC Type 2 will delay acknowledgment of I PDUs if it has not received dl_send_ack_threshold I PDUs.

dl_ack_to_cnt

number of times that the ACK timer has expired.

dl_p_to_cnt

number of times that the P timer has expired.

dl_rej_to_cnt

number of times that the REJ timer has expired.

dl_busy_to_cnt

number of times that the BUSY timer has expired.

dl_local_win

size of the LLC Type 2 local receive window.

dl_remote_win

size of the LLC Type 2 remote receive window.

dl_i_pkts_in

number of I PDUs correctly received.

dl_i_pkts_in_oos

number of I PDUs received out of sequence.

dl_i_pkts_in_drop

number of I PDUs correctly received, but which were dropped because of a lack of resources.

Chapter 2

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