Re: [RFC PATCHv2 3/9] reverse sense of address matching

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On Wed, Oct 05, 2011 at 08:08:48AM -0700, David L Stevens wrote:
> This patch changes rules of the form:
> 
> 	if ! addr drop
>         accept
> to:
> 	if addr return
> 	...
> 	drop
> 
> The patch adds a "mac" chain to do a mac address list and separates the "arp"
> chain into separate "arpmac" and "arpip" chains that can check multiple MAC
> or IP addresses in any combination. This patch itself does not support multiple
> addresses via the MAC and IP variables, but only changes the form of the rules
> to allow multiple addresses in the future.
> 
> Signed-off-by: David L Stevens <dlstevens@xxxxxxxxxx>
> diff --git a/src/conf/nwfilter_conf.c b/src/conf/nwfilter_conf.c
> index e0c2fb6..31199cb 100644
> --- a/src/conf/nwfilter_conf.c
> +++ b/src/conf/nwfilter_conf.c
> @@ -82,7 +82,9 @@ VIR_ENUM_IMPL(virNWFilterEbtablesTable, VIR_NWFILTER_EBTABLES_TABLE_LAST,
>  
>  VIR_ENUM_IMPL(virNWFilterChainSuffix, VIR_NWFILTER_CHAINSUFFIX_LAST,
>                "root",
> -              "arp",
> +              "mac",
> +              "arpmac",
> +              "arpip",
>                "rarp",
>                "ipv4",
>                "ipv6");
> diff --git a/src/conf/nwfilter_conf.h b/src/conf/nwfilter_conf.h
> index c96851a..17e954e 100644
> --- a/src/conf/nwfilter_conf.h
> +++ b/src/conf/nwfilter_conf.h
> @@ -428,7 +428,9 @@ struct _virNWFilterEntry {
>  
>  enum virNWFilterChainSuffixType {
>      VIR_NWFILTER_CHAINSUFFIX_ROOT = 0,
> -    VIR_NWFILTER_CHAINSUFFIX_ARP,
> +    VIR_NWFILTER_CHAINSUFFIX_MAC,
> +    VIR_NWFILTER_CHAINSUFFIX_ARPMAC,
> +    VIR_NWFILTER_CHAINSUFFIX_ARPIP,
>      VIR_NWFILTER_CHAINSUFFIX_RARP,
>      VIR_NWFILTER_CHAINSUFFIX_IPv4,
>      VIR_NWFILTER_CHAINSUFFIX_IPv6,


This looks like it is breaking compatibility of NWFilter XML with
previously deployed libvirt releases.


Regards,
Daniel
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