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Finding the NIC driver version on Solaris 11

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Operating Systems Solaris Finding the NIC driver version on Solaris 11
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Old 03-19-2013
Oracle Finding the NIC driver version on Solaris 11
In Solaris 10 it was easy, a simple grep through modinfo output and you'd have the version of any loaded module, including your NIC drivers. In my career I've seen many people relying on this information in their scripts. Now I'm on Solaris 11, and where have the version numbers gone? The modinfo output on Solaris 11 no longer yields version numbers.

To save others from the trouble of having to figure this one out, I've written up my notes on how to solve this particular puzzle that I hope will be of use to someone else.

Technical Prose: Finding Solaris 11 NIC driver versions
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LEARN ABOUT REDHAT

modldrv

modldrv(9S)						    Data Structures for Drivers 					       modldrv(9S)

NAME

       modldrv - linkage structure for loadable drivers

SYNOPSIS

       #include <sys/modctl.h>

INTERFACE LEVEL

       Solaris DDI specific (Solaris DDI)

DESCRIPTION

       The modldrv structure is used by device drivers to export driver specific information to the kernel.

STRUCTURE MEMBERS

       struct mod_ops	 *drv_modops;
       char		 *drv_linkinfo;
       struct dev_ops	 *drv_dev_ops;

       drv_modops      Must always be initialized to the address of mod_driverops. This member identifies the module as a loadable driver.

       drv_linkinfo    Can  be	any  string up to MODMAXNAMELEN characters (including the terminating NULL character), and is used to describe the
		       module and its version number. This is usually the name of the driver and module version information, but can contain other
		       information as well.

       drv_dev_ops     Pointer to the driver's dev_ops(9S) structure.

SEE ALSO

       add_drv(1M), dev_ops(9S), modlinkage(9S)

       Writing Device Drivers

SunOS 5.10							    5 Mar 2001							       modldrv(9S)