netdev - Re: [PATCH net-next 1/2] net: Set sk

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Message-ID: <1438164408.20182.86.camel@edumazet-glaptop2.roam.corp.google.com>
Date:	Wed, 29 Jul 2015 12:06:48 +0200
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Thomas Graf <tgraf@...g.ch>
Cc:	Tom Herbert <tom@...bertland.com>, davem@...emloft.net,
	netdev@...r.kernel.org, kernel-team@...com
Subject: Re: [PATCH net-next 1/2] net: Set sk_txhash from a random number

On Wed, 2015-07-29 at 11:54 +0200, Thomas Graf wrote:

> skb_set_hash_from_sk()
> skb_get_hash()
> 
> Am I misreading this? I'm not using SO_REUSEPORT and it might be OK
> to assume that different sockets may go to different queues even if
> the L4 tuple is identical.

skb_set_hash_from_sk() sets skb->hash in output path. Nothing uses it
then later. bonding uses its own hash functions.

SO_REUSEPORT is on input path, and uses its own hash anyway.




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