Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755576AbaK0Mcj (ORCPT ); Thu, 27 Nov 2014 07:32:39 -0500 Received: from mx1.redhat.com ([209.132.183.28]:57120 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755524AbaK0Mc2 (ORCPT ); Thu, 27 Nov 2014 07:32:28 -0500 Date: Thu, 27 Nov 2014 14:32:10 +0200 From: "Michael S. Tsirkin" To: linux-kernel@vger.kernel.org Cc: David Miller , cornelia.huck@de.ibm.com, rusty@au1.ibm.com, nab@linux-iscsi.org, pbonzini@redhat.com, thuth@linux.vnet.ibm.com, dahi@linux.vnet.ibm.com, Rusty Russell , virtualization@lists.linux-foundation.org, netdev@vger.kernel.org Subject: [PATCH v5 25/45] virtio_net: bigger header when VERSION_1 is set Message-ID: <1417091078-24611-26-git-send-email-mst@redhat.com> References: <1417091078-24611-1-git-send-email-mst@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1417091078-24611-1-git-send-email-mst@redhat.com> X-Mutt-Fcc: =sent Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org With VERSION_1 virtio_net uses same header size whether mergeable buffers are enabled or not. Signed-off-by: Michael S. Tsirkin Reviewed-by: Cornelia Huck --- drivers/net/virtio_net.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index 098f443..a0e64cf 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -1805,7 +1805,8 @@ static int virtnet_probe(struct virtio_device *vdev) if (virtio_has_feature(vdev, VIRTIO_NET_F_MRG_RXBUF)) vi->mergeable_rx_bufs = true; - if (virtio_has_feature(vdev, VIRTIO_NET_F_MRG_RXBUF)) + if (virtio_has_feature(vdev, VIRTIO_NET_F_MRG_RXBUF) || + virtio_has_feature(vdev, VIRTIO_F_VERSION_1)) vi->hdr_len = sizeof(struct virtio_net_hdr_mrg_rxbuf); else vi->hdr_len = sizeof(struct virtio_net_hdr); -- MST -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/