Port Active? Post: 302483210

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ntxn

ntxn(7D)							      Devices								  ntxn(7D)

NAME

       ntxn - NetXen 10/1 Gigabit Ethernet network driver

SYNOPSIS

       /dev/ntxn*

DESCRIPTION

       The  ntxn  10/1 Gigabit Ethernet driver is a multi-threaded, loadable, clonable, GLD-based STREAMS driver supporting the Data Link Provider
       Interface, dlpi(7P), on NetXen 10/1 Gigabit Ethernet controllers.

       The ntxn driver functions include chip initialization, frames transmit and receive, promiscuous and multicast support, TCP and UDP checksum
       off-load (IPv4) and 9600 bytes jumbo frame.

       The ntxn driver and hardware support the 10GBASE CX4, 10GBASE-SR/W, LR/W, and 10/100/1000BASE-T physical layers.

APPLICATION PROGRAMMING INTERFACE

       The cloning character-special device, /dev/ntxn, is used to access all NetXen devices installed within the system.

       The  ntxn  driver  is managed by the dladm(1M) command line utility, which allows VLANs to be defined on top of ntxn instances and for ntxn
       instances to be aggregated. See dladm(1M) for more details.

       The values returned by the driver in the DL_INFO_ACK primitive in response to your DL_INFO_REQ are:

	   o	  Maximum SDU is 9600.

	   o	  Minimum SDU is 0.

	   o	  DLSAP address length is 8.

	   o	  MAC type is DL_ETHER.

	   o	  SAP (Service Access Point) length value is -2, meaning the physical address component is followed immediately by  a  2-byte  SAP
		  component within the DLSAP address.

	   o	  Broadcast address value is the Ethernet/IEEE broadcast address (FF:FF:FF:FF:FF:FF).

CONFIGURATION

       By default, the ntxn driver works without any configuration file.

FILES

       /dev/ntxn*		 Special character device.

       /kernel/drv/ntxn 	 32-bit device driver (x86).

       /kernel/drv/amd64/ntxn	 64-bit device driver (x86).

       /kernel/drv/ntxn.conf	 Configuration file.

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------------------------------------+
       |ATTRIBUTE TYPE		      ATTRIBUTE VALUE		   |
       |Availability		      SUNWntxn			   |
       |Architecture		      x86			   |
       |Interface Stability	      Committed 		   |
       +-----------------------------------------------------------+

SEE ALSO

       dladm(1M), ndd(1M), netstat(1M), driver.conf(4), attributes(5), streamio(7I), dlpi(7P)

       Writing Device Drivers

       STREAMS Programming Guide

       Network Interfaces Programmer's Guide

SunOS 5.11							    13 Oct 2008 							  ntxn(7D)