Hannes Frederic Sowa cd174e67a6 ipv4: new ip_no_pmtu_disc mode to always discard incoming frag needed msgs ...

This new mode discards all incoming fragmentation-needed notifications
as I guess was originally intended with this knob. To not break backward
compatibility too much, I only added a special case for mode 2 in the
receiving path.

Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

2013-12-18 16:58:20 -05:00

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