From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rusty Russell Subject: Re: [QEMU PATCH v2] virtio-net: introduce a new macaddr control Date: Thu, 17 Jan 2013 11:49:20 +1030 Message-ID: <87mww8y5bb.fsf@rustcorp.com.au> References: <1358315821-29519-1-git-send-email-akong@redhat.com> <1358317007-29972-1-git-send-email-akong@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: kvm@vger.kernel.org, qemu-devel@nongnu.org, stefanha@redhat.com, virtualization@lists.linux-foundation.org To: akong@redhat.com, mst@redhat.com Return-path: In-Reply-To: <1358317007-29972-1-git-send-email-akong@redhat.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: virtualization-bounces@lists.linux-foundation.org Errors-To: virtualization-bounces@lists.linux-foundation.org List-Id: kvm.vger.kernel.org akong@redhat.com writes: > @@ -349,6 +351,14 @@ static int virtio_net_handle_mac(VirtIONet *n, uint8_t cmd, > { > struct virtio_net_ctrl_mac mac_data; > > + if (cmd == VIRTIO_NET_CTRL_MAC_ADDR_SET && elem->out_num == 2 && > + elem->out_sg[1].iov_len == ETH_ALEN) { > + /* Set MAC address */ > + memcpy(n->mac, elem->out_sg[1].iov_base, elem->out_sg[1].iov_len); > + qemu_format_nic_info_str(&n->nic->nc, n->mac); > + return VIRTIO_NET_OK; > + } Does the rest of the net device still rely on the layout of descriptors? If so, OK, we'll fix them all together. If not, this introduces a new one. Cheers, Rusty.