ip: add loose reverse path filtering
authorStephen Hemminger <shemminger@vyatta.com>
Fri, 20 Feb 2009 08:25:36 +0000 (08:25 +0000)
committerDavid S. Miller <davem@davemloft.net>
Mon, 23 Feb 2009 03:54:45 +0000 (19:54 -0800)
commitc1cf8422f0512c2b14f0d66bce34abb0645c888a
treeb00499a8eb15d6613cfbce6d2770638b98cb2aae
parent6dac62d3888a34f5bccbe14222ba77e8877a2e54
ip: add loose reverse path filtering

Extend existing reverse path filter option to allow strict or loose
filtering. (See http://en.wikipedia.org/wiki/Reverse_path_filtering).

For compatibility with existing usage, the value 1 is chosen for strict mode
and 2 for loose mode.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Documentation/networking/ip-sysctl.txt
net/ipv4/fib_frontend.c