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 Giga-
bit Ethernet controllers.The ntxn driver functions include chip initialization,
frames transmit and receive, promiscuous and multicast sup-
port, 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 INTERFACEThe 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 primi-
tive 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 followedimmediately by a 2-byte SAP component within the
DLSAP address.o Broadcast address value is the Ethernet/IEEE broad-
cast address (FF:FF:FF:FF:FF:FF).SunOS 5.11 Last change: 13 Oct 2008 1
Devices ntxn(7D)
CONFIGURATIONBy 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 attri-
butes:____________________________________________________________
| ATTRIBUTE TYPE ATTRIBUTE VALUE |
| Availability driver/network/ntxn |
| Architecture x86 | | Interface Stability Committed ||___________________________________________________________|
SEE ALSO
dladm(1M), ndd(1M), netstat(1M), driver.conf(4), attri-
butes(5), streamio(7I), dlpi(7P) Writing Device Drivers STREAMS Programming Guide Network Interfaces Programmer's GuideSunOS 5.11 Last change: 13 Oct 2008 2