Re: FreeBSD equivalent of ethtool

From: Rocky Hotas <rockyhotas_at_post.com>
Date: Thu, 14 Oct 2021 08:48:11 UTC 
> Sent: Thursday, October 14, 2021 at 2:00 AM
> From: "Pete Wright via freebsd-questions" <freebsd-questions@freebsd.org>
> To: "Rocky Hotas" <rockyhotas@post.com>, "FreeBSD Questions" <freebsd-questions@freebsd.org>
> Subject: Re: FreeBSD equivalent of ethtool

[...]

> I think it really depends on what your specific use-case is.

Sorry, I didn't specify it explicitly. In particular, `ethtool -d
<network_interface>', that is: dumping all the values in the internal
registers of the NIC.

> I find that BSD ifconfig(8) covers most use cases for configuring
> interfaces (both physical and virtual), and the sysctl interface is also
> useful for pulling and setting device specific information. the latter
> is usually well documented in the man page for the interface (see
> if_em(4) for example).

So, maybe I can look in sysctl or ifconfig(8), if they also allow the
register dumping.

> it should be noted that ifconfig(8) on bsd's tends to do much more than
> the old linux ifconfig and probably the new "ip" command as well.

Yes, the BSD one is a very different and complex tool.

Rocky