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timod

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NAME

timod - STREAMS module for converting ioctl() calls into TI messages  

DESCRIPTION

The timod module is a STREAMS module that converts ioctl() calls from a transport user supporting the Transport Interface (TI) into messages that a transport protocol provider supporting TI can consume. This allows the user to initiate TI functions as atomic operations.

The user places and removes the timod module on a device stream by calling the STREAMS I_PUSH ioctl() and I_POP ioctl() functions.

The timod module recognizes and processes STREAMS messages generated by I_STR ioctl() calls containing the following TI commands: This TI command binds an address to the transport protocol provider. The STREAMS message that the module issues to the TI_BIND ioctl() call is equivalent to the TI message type T_BIND_REQ. The STREAMS message that the module returns in response to the successful completion of the TI_BIND ioctl() call is equivalent to the TI message type TI_BIND_ACK. This TI command unbinds an address from the transport protocol provider. The STREAMS message that the module issues to the TI_UNBIND ioctl() call is equivalent to the TI message type T_UNBIND_REQ. The STREAMS message that the module returns in response to the successful completion of the TI_UNBIND ioctl() call is equivalent to the TI message type TI_OK_ACK. This TI command gets the TI protocol-specific information from the transport protocol provider. The STREAMS message that the module issues to the TI_GETINFO ioctl() call is equivalent to the TI message type T_INFO_REQ. The STREAMS message that the module returns in response to the successful completion of the TI_GETINFO ioctl() call is equivalent to the TI message type TI_INFO_ACK. This TI command gets, sets, or negotiates TI protocol-specific options with the transport protocol provider. The STREAMS message that the module issues to the TI_OPTMGMT ioctl() call is equivalent to the TI message type T_OPTMGMT_REQ. The STREAMS message that the module returns in response to the successful completion of the TI_OPTMGMT ioctl() call is equivalent to the TI message type TI_OPTMGMT_ACK.

The timod module transparently passes any STREAMS messages that are not generated by the ioctl() calls previously described to the neighboring module or driver.

 

RETURN VALUES

If the timod module returns an error for an ioctl() call, the lower 8 bits of the return value will be one of the TI error codes defined in the sys/tiusr.h header file. If the TI error is of the type TSYERR, then the second 8 bits of the return value will contain an error as defined in the sys/errno.h header file.  

FILES

Defines the error codes for TI functions. Defines the message types for TI. Defines the error codes for system errors.  

RELATED INFORMATION

Functions: intro(2), ioctl(2)

Interfaces: streamio(7) delim off


 

Index

NAME
DESCRIPTION
RETURN VALUES
FILES
RELATED INFORMATION

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Time: 02:40:20 GMT, October 02, 2010