cvs commit: src/sbin/ipfw ipfw2.c src/sys/netinet ip_fw.h ip_fw2.c

[Luigi Rizzo]

interesting feature, thanks

luigi

On Tue, Dec 13, 2005 at 12:16:03PM +0000, Gleb Smirnoff wrote:
> glebius     2005-12-13 12:16:03 UTC
> 
>   FreeBSD src repository
> 
>   Modified files:
>     sbin/ipfw            ipfw2.c 
>     sys/netinet          ip_fw.h ip_fw2.c 
>   Log:
>   Add a new feature for optimizining ipfw rulesets - substitution of the
>   action argument with the value obtained from table lookup. The feature
>   is now applicable only to "pipe", "queue", "divert", "tee", "netgraph"
>   and "ngtee" rules.
>   
>   An example usage:
>   
>     ipfw pipe 1000 config bw 1000Kbyte/s
>     ipfw pipe 4000 config bw 4000Kbyte/s
>     ipfw table 1 add x.x.x.x 1000
>     ipfw table 1 add x.x.x.y 4000
>     ipfw pipe tablearg ip from table(1) to any
>   
>   In the example above the rule will throw different packets to different pipes.
>   
>   TODO:
>     - Support "skipto" action, but without searching all rules.
>     - Improve parser, so that it warns about bad rules. These are:
>       - "tablearg" argument to action, but no "table" in the rule. All
>         traffic will be blocked.
>       - "tablearg" argument to action, but "table" searches for entry with
>         a specific value. All traffic will be blocked.
>       - "tablearg" argument to action, and two "table" looks - for src and
>         for dst. The last lookup will match.
>   
>   Revision  Changes    Path
>   1.82      +44 -46    src/sbin/ipfw/ipfw2.c
>   1.103     +2 -0      src/sys/netinet/ip_fw.h
>   1.119     +16 -5     src/sys/netinet/ip_fw2.c