From: Tom Herbert <therbert@google.com>
To: Zhi Yong Wu <zwu.kernel@gmail.com>
Cc: Linux Netdev List <netdev@vger.kernel.org>,
Eric Dumazet <edumazet@google.com>,
David Miller <davem@davemloft.net>,
Zhi Yong Wu <wuzhy@linux.vnet.ibm.com>
Subject: Re: [RFC PATCH net-next 2/3] virtio_net: Introduce one dummy function virtnet_filter_rfs()
Date: Wed, 15 Jan 2014 09:54:36 -0800 [thread overview]
Message-ID: <CA+mtBx8Z80d5Y1ti0_68UA-x0hZPeqT4wa9knevWoPxX+eyaVA@mail.gmail.com> (raw)
In-Reply-To: <1389795654-28381-3-git-send-email-zwu.kernel@gmail.com>
Zhi, this is promising work! I can't wait to see how this impacts
network virtualization performance :-)
On Wed, Jan 15, 2014 at 6:20 AM, Zhi Yong Wu <zwu.kernel@gmail.com> wrote:
> From: Zhi Yong Wu <wuzhy@linux.vnet.ibm.com>
>
> Signed-off-by: Zhi Yong Wu <wuzhy@linux.vnet.ibm.com>
> ---
> drivers/net/virtio_net.c | 11 +++++++++++
> 1 files changed, 11 insertions(+), 0 deletions(-)
>
> diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
> index 7b17240..046421c 100644
> --- a/drivers/net/virtio_net.c
> +++ b/drivers/net/virtio_net.c
> @@ -1295,6 +1295,14 @@ static int virtnet_change_mtu(struct net_device *dev, int new_mtu)
> return 0;
> }
>
> +#ifdef CONFIG_RFS_ACCEL
> +static int virtnet_filter_rfs(struct net_device *net_dev,
> + const struct sk_buff *skb, u16 rxq_index, u32 flow_id)
> +{
Does this need to be filled out with more stuff?
> + return 0;
> +}
> +#endif /* CONFIG_RFS_ACCEL */
> +
> static const struct net_device_ops virtnet_netdev = {
> .ndo_open = virtnet_open,
> .ndo_stop = virtnet_close,
> @@ -1309,6 +1317,9 @@ static const struct net_device_ops virtnet_netdev = {
> #ifdef CONFIG_NET_POLL_CONTROLLER
> .ndo_poll_controller = virtnet_netpoll,
> #endif
> +#ifdef CONFIG_RFS_ACCEL
> + .ndo_rx_flow_steer = virtnet_filter_rfs,
> +#endif
> };
>
> static void virtnet_config_changed_work(struct work_struct *work)
> --
> 1.7.6.5
>
next prev parent reply other threads:[~2014-01-15 17:54 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-01-15 14:20 [RFC PATCH net-next 0/3] virtio_net: add aRFS support Zhi Yong Wu
2014-01-15 14:20 ` [RFC PATCH net-next 1/3] virtio_pci: Introduce one new config api vp_get_vq_irq() Zhi Yong Wu
2014-01-15 14:20 ` [RFC PATCH net-next 2/3] virtio_net: Introduce one dummy function virtnet_filter_rfs() Zhi Yong Wu
2014-01-15 17:54 ` Tom Herbert [this message]
2014-01-16 2:45 ` Zhi Yong Wu
2014-01-15 14:20 ` [RFC PATCH net-next 3/3] virtio-net: Add accelerated RFS support Zhi Yong Wu
2014-01-16 21:31 ` Ben Hutchings
2014-01-16 22:00 ` Zhi Yong Wu
2014-01-16 23:16 ` Ben Hutchings
2014-01-17 16:54 ` Zhi Yong Wu
2014-01-17 17:20 ` Ben Hutchings
2014-01-18 4:59 ` Tom Herbert
2014-01-18 14:19 ` Ben Hutchings
2014-01-16 4:23 ` [RFC PATCH net-next 0/3] virtio_net: add aRFS support Jason Wang
2014-01-16 8:34 ` Fwd: " Zhi Yong Wu
2014-01-16 8:52 ` Stefan Hajnoczi
2014-01-16 17:12 ` Tom Herbert
2014-01-17 3:26 ` Jason Wang
2014-01-17 5:08 ` Tom Herbert
2014-01-17 6:36 ` Jason Wang
2014-01-17 16:03 ` Tom Herbert
2014-01-17 5:22 ` Stefan Hajnoczi
2014-01-17 6:45 ` Jason Wang
2014-01-20 14:36 ` Ben Hutchings
2014-01-22 13:27 ` Zhi Yong Wu
2014-01-22 18:00 ` Tom Herbert
2014-01-23 0:40 ` Zhi Yong Wu
2014-01-23 14:23 ` Michael S. Tsirkin
2014-01-17 3:04 ` Jason Wang
2014-01-20 16:49 ` Stefan Hajnoczi
2014-01-16 8:48 ` Zhi Yong Wu
2014-01-23 14:26 ` Michael S. Tsirkin
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