Re: Advice needed on IP-over-InfiniBand driver

[David Stevens <dlstevens@xxxxxxxxxx>]

> However, it seems that broadcast ARP packets have skb->dst == NULL.
> Is it safe for me to assume that packets with skb->dst == NULL are
> broadcast packets?  Will multicast packets have a non-NULL dst?

I think it would be a mistake to use skb->dst as a flag for unicast
or not. Even if it is correct in all cases you care about now (I don't
know either way), it would be a hidden dependency with high potential
to break something eventually.

                                                +-DLS