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Date: Tue, 19 Dec 2023 13:36:22 -0500
From: "Michael S. Tsirkin" <mst@redhat.com>
To: Steffen Trumtrar <s.trumtrar@pengutronix.de>
Cc: Jason Wang <jasowang@redhat.com>,
	Xuan Zhuo <xuanzhuo@linux.alibaba.com>,
	"David S. Miller" <davem@davemloft.net>,
	Eric Dumazet <edumazet@google.com>,
	Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
	Richard Cochran <richardcochran@gmail.com>,
	virtualization@lists.linux.dev, netdev@vger.kernel.org,
	linux-kernel@vger.kernel.org, Willem de Bruijn <willemb@google.com>
Subject: Re: [PATCH RFC 1/4] virtio-net: support transmit hash report
Message-ID: <20231219133545-mutt-send-email-mst@kernel.org>
References: <20231218-v6-7-topic-virtio-net-ptp-v1-0-cac92b2d8532@pengutronix.de>
 <20231218-v6-7-topic-virtio-net-ptp-v1-1-cac92b2d8532@pengutronix.de>
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In-Reply-To: <20231218-v6-7-topic-virtio-net-ptp-v1-1-cac92b2d8532@pengutronix.de>

On Mon, Dec 18, 2023 at 12:37:08PM +0100, Steffen Trumtrar wrote:
> diff --git a/include/uapi/linux/virtio_net.h b/include/uapi/linux/virtio_net.h
> index cc65ef0f3c3e2..698a11f8c6ab9 100644
> --- a/include/uapi/linux/virtio_net.h
> +++ b/include/uapi/linux/virtio_net.h
> @@ -56,6 +56,7 @@
>  #define VIRTIO_NET_F_MQ	22	/* Device supports Receive Flow
>  					 * Steering */
>  #define VIRTIO_NET_F_CTRL_MAC_ADDR 23	/* Set MAC address */
> +#define VIRTIO_NET_F_TX_HASH	  51	/* Driver sends hash report */
>  #define VIRTIO_NET_F_VQ_NOTF_COAL 52	/* Device supports virtqueue notification coalescing */
>  #define VIRTIO_NET_F_NOTF_COAL	53	/* Device supports notifications coalescing */
>  #define VIRTIO_NET_F_GUEST_USO4	54	/* Guest can handle USOv4 in. */


Please make sure to register the feature bit with virtio tc
to avoid collisions.

-- 
MST