[IP6IP6] Handle ECN correctly

[Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>]

Hi:

This patch adds ECN encapsulation/decapsulation to ip6_tunnel.c.

Signed-off-by: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>

Cheers,
-- 
Visit Openswan at http://www.openswan.org/
Email: Herbert Xu ~{PmV>HI~} <herbert@xxxxxxxxxxxxxxxxxxx>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt

p
Description: Text document