From: Hannes Frederic Sowa <redacted>
Date: Fri, 26 Jul 2013 17:43:23 +0200

From the documentation update:
| If you want to test which effects syncookies have to your
| network connections you can set this knob to 2 to enable
| unconditionally generation of syncookies.

Original idea and first implementation by Eric Dumazet.

Cc: Florian Westphal <fw@strlen.de>
Cc: David Miller <davem@davemloft.net>
Signed-off-by: Eric Dumazet <redacted>
Signed-off-by: Hannes Frederic Sowa <redacted>

Applied.