Mark Brown wrote:
On Thu, Dec 16, 2004 at 01:20:15PM -0500, Neil Horman wrote:
arp table is an L1 cache and the userspace daemon is the L2 cache. Via
the NETLINK_ROUTE protocol you can snoop all the neighbour table updates
that go on in the kernel and place that information in a userspace cache
of whatever size you like. Then you can configure the kernel to ask
As far as I can tell the netlink messages are only generated unprompted
when CONFIG_ARPD is enabled in the kernel? Otherwise RTN_NEWNEIGH is
only generated in response to RTM_GETNEIGH.
My bad, I guess you do still need CONFIG_ARPD turned on. It would seem
to make sense though (to me at least) to just remove CONFIG_ARPD from
the kernel, as you can squelch the generation of the relevant netlink
messages by setting app_solicit to 0 anyway.
Neil
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