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From: Jakub Kicinski <kubakici@wp.pl>
To: John Fastabend <john.fastabend@gmail.com>
Cc: tgraf@suug.ch, shm@cumulusnetworks.com,
	alexei.starovoitov@gmail.com, daniel@iogearbox.net,
	davem@davemloft.net, john.r.fastabend@intel.com,
	netdev@vger.kernel.org, bblanco@plumgrid.com, brouer@redhat.com
Subject: Re: [PATCH 4/5] virtio_net: add dedicated XDP transmit queues
Date: Fri, 18 Nov 2016 13:09:53 -0800	[thread overview]
Message-ID: <20161118130953.7bf2d71d@laptop> (raw)
In-Reply-To: <20161118190041.16137.48399.stgit@john-Precision-Tower-5810>

Looks very cool! :)

On Fri, 18 Nov 2016 11:00:41 -0800, John Fastabend wrote:
> @@ -1542,12 +1546,34 @@ static int virtnet_xdp_set(struct net_device *dev, struct bpf_prog *prog)
>  		return -EINVAL;
>  	}
>  
> +	curr_qp = vi->curr_queue_pairs - vi->xdp_queue_pairs;
> +	if (prog)
> +		xdp_qp = num_online_cpus();

Is num_online_cpus() correct here?

  reply	other threads:[~2016-11-18 21:10 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-11-18 18:59 [PATCH 0/5] XDP for virtio_net John Fastabend
2016-11-18 18:59 ` [PATCH 1/5] net: virtio dynamically disable/enable LRO John Fastabend
2016-11-18 18:59 ` [PATCH 2/5] net: xdp: add invalid buffer warning John Fastabend
2016-11-18 19:00 ` [PATCH 3/5] virtio_net: Add XDP support John Fastabend
2016-11-18 23:21   ` Eric Dumazet
2016-11-19  2:16     ` John Fastabend
2016-11-18 23:23   ` Eric Dumazet
2016-11-19  1:02     ` John Fastabend
2016-11-18 19:00 ` [PATCH 4/5] virtio_net: add dedicated XDP transmit queues John Fastabend
2016-11-18 21:09   ` Jakub Kicinski [this message]
2016-11-19  2:10     ` Jakub Kicinski
2016-11-19  2:43       ` John Fastabend
2016-11-19  2:57         ` Jakub Kicinski
2016-11-19  3:20           ` Eric Dumazet
2016-11-19  3:23             ` Jakub Kicinski
2016-11-19 21:33               ` John Fastabend
2016-11-18 19:01 ` [PATCH 5/5] virtio_net: add XDP_TX support John Fastabend
2016-11-18 19:06 ` [PATCH 0/5] XDP for virtio_net John Fastabend

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