Re: [PATCH] src: restore interface to index cache

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On 11.04, Pablo Neira Ayuso wrote:
> From: Pablo Neira <pablo@xxxxxxxxxxxxx>
> 
> nftables used to have a cache to speed up interface name <-> index lookup,
> restore it using libmnl.
> 
> This reduces netlink traffic since if_nametoindex() and if_indextoname() open,
> send a request, receive the list of interface and close a netlink socket for
> each call.  I think this is also good for consistency since nft -f will operate
> with the same index number when reloading the ruleset.
> 
> The cache is populated by when nft_if_nametoindex() and nft_if_indextoname()
> are used for first time. Then, it it released in the output path. In the
> interactive mode, it is invalidated after each command.

Looks very good, thanks for your patience :)
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