From: David S. Miller <davem@davemloft.net>
Date: Tue, 26 Jun 2012 23:27:09 +0000 (-0700)
Subject: ipv4: Cache ip_error() routes even when not forwarding.
X-Git-Tag: v3.6-rc1~125^2~427
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=251da413;p=pandora-kernel.git

ipv4: Cache ip_error() routes even when not forwarding.

And account for the fact that, when we are not forwarding, we should
bump statistic counters rather than emit an ICMP response.

RP-filter rejected lookups are still not cached.

Since -EHOSTUNREACH and -ENETUNREACH can now no longer be seen in
ip_rcv_finish(), remove those checks.

Signed-off-by: David S. Miller <davem@davemloft.net>
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