U32 classifier and new hashing support

[Thomas Graf]

On Fri, May 25, 2012 at 02:15:18PM +0300, Adrian Ban wrote:
> Another reason that I've build the rtnl_u32_set_flags function is
> that in the rtnl_u32_set_flags is setting U32_ATTR_SELECTOR flag
> which I guess is not required (I don't remember anymore because the
> patch I've made in November 2011) to the terminal class.
> You can take a look in the iproute2/tc command and check this.

Adrian,

Can you try and come up with some form of documentation for u32
hashing? Adding API documentation and extending doc/route.txt with
a section about u32 and hasing would be most welcome!

~Thomas