udav(4) vs. multicast

[HASHI Hiroaki]

> Shingo WATANABE:
> 
> > I know the udav(4) was ported to FreeBSD, but I don't know why
> > programming with big-endian CRC on FreeBSD.
> 
> Most likely it's just an error that was introduced when the driver
> was ported.
> 
> > When I wrote this driver on NetBSD, it worked well with little-endian
> > CRC.
I change CRC calcurate code to little-endian.
Then, I was able to receive a multicast packets.

I will send PR later.

> Well, many people never use multicast at all, so bugs can go unnoticed
> there for a long time.
Probably, nobody use this driver. :-)

# promiscuous mode dose not work.

--
  HASHI, Hiroaki <hashiz at tomba.cskk-sv.co.jp>