From: David Miller <davem@davemloft.net>
To: eric@regit.org
Cc: netdev@vger.kernel.org, xdp-newbies@vger.kernel.org,
pmanev@stamus-networks.com
Subject: Re: ixgbe tuning reset when XDP is setup
Date: Fri, 15 Dec 2017 10:53:38 -0500 (EST) [thread overview]
Message-ID: <20171215.105338.2092740911243038177.davem@davemloft.net> (raw)
In-Reply-To: <1513333486.28703.9.camel@regit.org>
From: Eric Leblond <eric@regit.org>
Date: Fri, 15 Dec 2017 11:24:46 +0100
> Hello,
>
> When using an ixgbe card with Suricata we are using the following
> commands to get a symmetric hash on RSS load balancing:
>
> ./set_irq_affinity 0-15 eth3
> ethtool -X eth3 hkey 6D:5A:6D:5A:6D:5A:6D:5A:6D:5A:6D:5A:6D:5A:6D:5A:6D:5A:6D:5A:6D:5A:6D:5A:6D:5A:6D:5A:6D:5A:6D:5A:6D:5A:6D:5A:6D:5A:6D:5A equal 16
> ethtool -x eth3
> ethtool -n eth3
>
> Then we start Suricata.
>
> In my current experiment on XDP, I have Suricata that inject the eBPF
> program when starting. The consequence of that when using an ixgbe card
> is that the load balancing get reset and all interrupts are reaching
> the first core.
This definitely should _not_ be a side effect of enabling XDP on a device.
next prev parent reply other threads:[~2017-12-15 15:53 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-12-15 10:24 ixgbe tuning reset when XDP is setup Eric Leblond
2017-12-15 15:53 ` David Miller [this message]
2017-12-15 16:03 ` John Fastabend
2017-12-15 16:51 ` Alexander Duyck
2017-12-15 16:56 ` Peter Manev
2018-01-25 13:09 ` Peter Manev
2018-01-25 15:07 ` Alexander Duyck
2018-02-21 20:01 ` Peter Manev
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