On Fri, May 04, 2007 at 03:27:53AM -0700, Clint Pachl wrote:
> I'm curious if the flag bits, shown for each interface with ifconfig(8),
> can be decoded in order to reveal the characteristics of NICs, such as
> hardware RX/TX checksums and VLAN.
>
they are already decoded in the string, nothing is hiding here ;)
bge0: flags=8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> mtu 1500
see src/sys/net/if.h:
UP 0x1 | BROADCAST 0x2 | RUNNING 0x40 | PROMISC 0x100 |
SIMPLEX 0x800 |MULTICAST 0x8000 = 0x8943
you're looking for the capabilities field but we do not export it to
userland. you have to trust the manpages or look at the drivers for
"if_capabilities"/IFFCAP_.
reyk
