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General Programming Concepts:
Writing and Debugging Programs

Trace Hook IDs: 240 through 252

The following trace hook IDs are stored in the /usr/include/sys/trchkid.h file.

240 : HKWD SYSX DLC START

This event is recorded by a Data Link Control (/dev/dlcether, /dev/dlcsdlc, or /dev/dlctoken) when an attachment to a remote station is started.

Recorded Data

LAN protocol physical LAN

attachment name station name

station address

LAN protocol Type of LAN protocol:

EthernetI

EEE_802.3

SDLC

Token_Ring

physical LAN Type of physical LAN:

EIA_RS232D

EIA_RS336

X_21

PC_Network_Broadband

Standard_Baseband_Ethernet

Smart_MODEM_Autodial

IEEE_802.3_Baseband_Ethernet

IEEE_802.4_Token_Bus

IEEE_802.5_Token_Ring

attachment name Name of attachment
station name Remote station name
station address
Remote station address.

241 : HKWD SYSX DLC HALT

This event is recorded by a Data Link Control (/dev/dlcether, /dev/dlcsdlc, or /dev/dlctoken) when an attachment to a remote station is halted.

Recorded Data

LAN protocol physical LAN

attachment name station name

station address

LAN protocol Type of LAN protocol:

Ethernet

IEEE_802.3

SDLC

Token_Ring

physical LAN Type of Physical LAN:

EIA_RS232D

EIA_RS336

X_21

PC_Network_Broadband

Standard_Baseband_Ethernet

Smart_MODEM_Autodial

IEEE_802.3_Baseband_Ethernet

IEEE_802.4_Token_Bus

IEEE_802.5_Token_Ring

attachment name Name of attachment
station name Remote station name
station address
Remote station address.

242 : HKWD SYSX DLC TIMER

This event is recorded by a Data Link Control (/dev/dlcether, /dev/dlcsdlc, or /dev/dlctoken) when an internal time expires.

Recorded Data

LAN protocol timer type

LAN protocol Type of LAN protocol:
Ethernet  
IEEE_802.3  
SDLC  
Token_Ring  
timer type Type_of_Timer:
Slow_Station_Poll  
Idle_Station_Poll  
Link_Station_Aborted  
Link_Station_Receive_Inactivity  
Command_Fail_Safe  
Command_Repoll
I_Frame_Acknowledgement.

243 : HKWD SYSX DLC XMIT

This event is recorded by a Data Link Control (/dev/dlcether, /dev/dlcsdlc, or /dev/dlctoken) when a packet is sent.

Recorded Data

LAN protocol header data

LAN protocol Type of LAN protocol:
Ethernet  
IEEE_802.3  
SDLC  
Token_Ring
header data
LAN header data.

244 : HKWD SYSX DLC RECV

This event is recorded by a Data Link Control (/dev/dlcether, /dev/dlcsdlc, or /dev/dlctoken) when a packet is received.

Recorded Data

LAN protocol header data

LAN protocol Type of LAN protocol
header data LAN header data.

245 : HKWD SYSX DLC PERF

This event is recorded by a Data Link Control (/dev/dlcether, /dev/dlcsdlc, or /dev/dlctoken) at key points in the Data Link Control program to record performance data. This trace hook will normally be used by the LAN Administrator during DLC debug.

Recorded Data

event LAN protocol

event Possible values:

Begin_Wait_Call

End_Wait_Call

Begin_Get_Rcv_Buffer

End_Get_Rcv_Buffer

Begin_HASH_Function

End_HASH_Function

Begin_Get_Transmit_Buffer

End_Get_Transmit_Buffer

Begin_Receive-Network_Data

Send_I_Frame_To_Device_Handler

Put_Write_Data_in_Xmit_Queue

Put_Write_XID_in_Xmit_Queue

T1_Timeout

T2_Timeout

T3_Timeout

Send_Start_to_Device_Handler

Receive_Discovery_Find_Command

Receive_Resolve_Find_Command

Open_Physical_Link

Device_Started

Send_Non_I_Frame_Data

Send_Datagram_Data

Send_Network_Data

T3_Abort_Timeout

LAN protocol Type of LAN protocol:

Ethernet

IEEE_802.3

SDLC

Token_Ring

246 : HKWD SYSX DLC MONITOR

This event is recorded by a Data Link Control (/dev/dlcether, /dev/dlcsdlc, or /dev/dlctoken) at key points in the Data Link Control program to record input commands, commands sent to the device handler, packets sent and packets received. This trace hook will normally be used by the LAN administrator during DLC debug.

Recorded Data

LAN Protocol LAN activity debug data

LAN protocol Type of LAN protocol:

Ethernet

IEEE_802.3

SDLC

Token_Ring

LAN activity Type of LAN activity:

Write_Command

Receive_Non_I_Data

Receive_I_Frame_Data

Input_Send_Command

Send_Command

Timer

Receive_Network_Data

debug data Debug data.

251 : HKWD NETERR

This hook ID records TCP/IP network error events. TCP/IP network error events are recorded by the network interface layer, most of which are return status codes from network adapter device drivers.

Recorded Data

Event:

NETERR CIO_OK ifp=ifp

NETERR CIO_BAD_MICROCODE ifp=ifp

NETERR CIO_BUF_OVFLW ifp=ifp

NETERR CIO_HARD_FAIL ifp=ifp

NETERR CIO_LOST_DATA ifp=ifp

NETERR CIO_NOMBUF ifp=ifp

NETERR CIO_NOT_STARTED ifp=ifp

NETERR CIO_TIMEOUT ifp=ifp

NETERR CIO_NET_RCVRY_ENTER ifp=ifp

NETERR CIO_NET_RCVRY_EXIT ifp=ifp

NETERR CIO_NET_RCVRY_MODE ifp=ifp

NETERR CIO_INV_CMD ifp=ifp

NETERR CIO_BAD_RANGE ifp=ifp

NETERR CIO_NETID_INV ifp=ifp

NETERR CIO_NETID_DUP ifp=ifp

NETERR CIO_NETID_FULL ifp=ifp

NETERR X25_BAD_CALL_ID ifp=ifp

NETERR X25_CLEAR ifp=ifp

NETERR X25_INV_CTR ifp=ifp

NETERR X25_NAME_USED ifp=ifp

NETERR X25_NOT_PVC ifp=ifp

NETERR X25_NO_ACK ifp=ifp

NETERR X25_NO_ACK_REQ ifp=ifp

NETERR X25_NO_LINK ifp=ifp

NETERR X25_NO_NAME ifp=ifp

NETERR X25_PROTOCOL ifp=ifp

NETERR X25_PVC_USED ifp=ifp

NETERR X25_RESET ifp=ifp

NETERR X25_TABLE ifp=ifp

NETERR X25_TOO_MANY_VCS ifp=ifp

NETERR X25_AUTH_LISTEN ifp=ifp

NETERR X25_BAD_PKT_TYPE ifp=ifp

NETERR X25_BAD_SESSION_TYPE ifp=ifp

NETERR invalid xmit complete intr ifp=ifp

NETERR if detach( ) fail ifp=ifp

NETERR find_input_type( ) fail ifp=ifp

NETERR no mbufs ifp=ifp

NETERR if not running ifp=ifp

NETERR clear indication ifp=ifp

NETERR unknown packet type ifp=ifp

NETERR NET_XMIT_FAIL ifp=ifp

NETERR NET_DETACH_FAIL ifp=ifp

NETERR ARP, wrong header ifp=ifp

NETERR ARP, unknown protocol ifp=ifp

NETERR ARP, ip broadcast address ifp=ifp

NETERR ARP, duplicate address ifp=ifp

NETERR ARP, arp table full ifp=ifp

ifp=ifp Address of network interface if structure.

252 : HKWD SYSC TCPIP

This hook ID records socket-type system call events. The socket layer records these events on entry and exit to socket-type subroutines.

Event:

SOCKET socket (domain, type, protocol)

SOCKET bind (s, name, namelen)

SOCKET listen (s, backlog)

SOCKET accept (s, addr, addrlen)

SOCKET connect (s, name, namelen)

SOCKET socketpair (d, type, protocol, sv)

SOCKET sendto (s, msg, len, flags, to, tolen)

SOCKET send (s, msg, len, flags)

SOCKET sendmsg (s, msg, flags)

SOCKET recvfrom (s, buf, len, flags, from, fromlen)

SOCKET recv (s, buf, len, flags)

SOCKET recvmsg (s, msg, flags)

SOCKET shutdown (s, how)

SOCKET setsocketopt (s, level, optname, optval, optlen)

SOCKET getsocketopt (s, level, optname, optval, optlen)

SOCKET getsockname (s, name, namelen)

SOCKET getpeername (s, name, namelen)

SOCKET gethostid

SOCKET sethostid (hostid)

SOCKET gethostname (name, namelen)

SOCKET sethostname (name, namelen)

SOCKET getdomainname (name, namelen)

SOCKET setdomainname (name, namelen)

domain Specifies an address format (Internet or the operating system domain).
type Specifies semantics of communication (for example, stream or datagram).
protocol Specifies a particular protocol to be used with the socket.
s Socket file descriptor.
name Name that the socket will be bound to.
namelen Length of the name.
backlog Defines the maximum length for the queue of pending connections.
addr Specifies the address of the connecting entry.
addrlen Contains the amount of space pointed to by the addr parameter.
d Specifies the domain.
sv References new sockets.
msg Points to the message that will be sent.
len Specifies the length of the message.
flags Specifies the options to be used in sending the message.
to Specifies the address of the target.
tolen Specifies the size of the target.
buf Specifies the address where data is entered.
from Specifies the source address.
fromlen Initialized to the size of the buffer associated with the from parameter.
how Determines the action of the shutdown is determined by the how parameter.
level Specifies the level of the protocol (for example, socket or tcp).
optname Passed uninterpreted to the appropriate protocol.
optval Used to access option values.
optlen Used to access option values.
hostid
Integer identifying the host.

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