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Date:	Wed, 30 Dec 2015 11:57:31 -0500
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Xin Long <lucien.xin@...il.com>
Cc:	network dev <netdev@...r.kernel.org>, linux-sctp@...r.kernel.org,
	mleitner@...hat.com, vyasevic@...hat.com, daniel@...earbox.net,
	davem@...emloft.net
Subject: Re: [PATCH net-next 1/5] sctp: add the rhashtable apis for sctp
 global transport hashtable

On Wed, 2015-12-30 at 23:50 +0800, Xin Long wrote:
> tranport hashtbale will replace the association hashtable to do the
> lookup for transport, and then get association by t->assoc, rhashtable
> apis will be used because of it's resizable, scalable and using rcu.
> 
> lport + rport + paddr will be the base hashkey to locate the chain,
> with net to protect one netns from another, then plus the laddr to
> compare to get the target.
> 
> this patch will provider the lookup functions:
> - sctp_epaddr_lookup_transport
> - sctp_addrs_lookup_transport
> 
> hash/unhash functions:
> - sctp_hash_transport
> - sctp_unhash_transport
> 
> init/destroy functions:
> - sctp_transport_hashtable_init
> - sctp_transport_hashtable_destroy
> 
> Signed-off-by: Xin Long <lucien.xin@...il.com>
> Signed-off-by: Marcelo Ricardo Leitner <marcelo.leitner@...il.com>
> ---


I am against using rhashtable in SCTP (or TCP) at this stage, given the
number of bugs we have with it.



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