Re: [RFC PATCH 0/6] netfilter: nf_tables: add mixed IPv4/IPv6 table support

[Pablo Neira Ayuso <pablo@netfilter.org>]

On Fri, Jan 03, 2014 at 12:16:12PM +0000, Patrick McHardy wrote:
> The following patches add support for mixed IPv4/IPv6 tables to nftables.
> 
> The first patch fixes the chain type override logic so chain types override
> the AF defaults instead of the other way around. The second patch adds a
> pointer to the nf_hook_ops struct to nft_pktinfo for a later patch which
> uses ops->pf to match the actual AF of the packet instead of the dummy
> NFPROTO_INET value. The third patch changes the chain and hook registration
> logic to support multiple hook registrations. The nf_tables AF modules can
> provide a callback function to override defaults. The fourth patch finally
> adds a new "inet" family, which basically only initializes the hook
> functions to the IPv4 and IPv6 specific ones and registers a dummy filter
> chain type for NFPROTO_INET. Patches 5 and 6 add support for matching on
> the netfilter hook family and the L4 protocol number to the meta match.
> 
> With all this in place, we can create AF-specific rules and AF-independant
> rules that only match on the L4 protocol header and above in the inet table:
> 
> table inet filter {
>         chain input {
>                  type filter hook input priority 0;
>         }
> 
> 	chain forward {
>                  type filter hook forward priority 0;
>         }
> 
> 	chain output {
>                  type filter hook output priority 0;
>                  ip protocol tcp tcp dport 1234 counter packets 2 bytes 120
>                  ip6 nexthdr tcp tcp dport 1234 counter packets 2 bytes 160
>                  tcp dport 1234 counter packets 4 bytes 280
> 	}
> }
> 
> Userspace needs a bit of polishing but will most likely follow in a few
> hours.

Series applied, thanks Patrick!