On Mon, 2015-04-06 at 21:45 -0700, Tom Herbert wrote: > On Mon, Apr 6, 2015 at 8:51 PM, David Miller <davem@xxxxxxxxxxxxx> wrote: > > I don't see what is convoluted about using the correct socket for > > sending L3 protocol frames. That's in fact how it's _supposed_ to > > work. And consistently having a proper matching socket available > > makes it so that, long-term, we'll never have to deal with this issue > > ever again. > > I guess this is where I'm confused. We can send just about anything > over GRE also, but have never needed a transmit socket for that. Is > UDP encapsulation so different, or is GRE equally broken also? Also, > will we need to add the socket to FOU and GUE then? GRE encap is very low level (not L3), and no socket simply sends GRE packets as is. For example, when GSO support was extended, it was first extended to GRE, and only later to other tunnels with more thinking about allowing more sophisticated encap levels. -- To unsubscribe from this list: send the line "unsubscribe netfilter-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
