From: Xin Long <lucien....@gmail.com>
Date: Sat, 8 Oct 2016 11:40:16 +0800
> The prsctp polices include ttl expires policy already, we should remove
> the old ttl expires codes, and just adjust the new polices' codes to be
> compatible with the old one for users.
> This patch is to remove all the old expires codes, and if prsctp polices
> are not set, it will still set msg's expires_at and check the expires in
> Note that asoc->prsctp_enable is set by default, so users can't feel any
> difference even if they use the old expires api in userspace.
> Signed-off-by: Xin Long <lucien....@gmail.com>