[Qemu-devel] [6535] qemu:virtio-net: Define ETH_ALEN for use when manipulating MAC addresses (Alex Williamson)

[Anthony Liguori <anthony@codemonkey.ws>]

Revision: 6535
          http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=6535
Author:   aliguori
Date:     2009-02-05 22:36:12 +0000 (Thu, 05 Feb 2009)

Log Message:
-----------
qemu:virtio-net: Define ETH_ALEN for use when manipulating MAC addresses (Alex Williamson)

Makes it much easier to search too.

Signed-off-by: Alex Williamson <alex.williamson@hp.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>

Modified Paths:
--------------
    trunk/hw/virtio-net.c
    trunk/hw/virtio-net.h

Modified: trunk/hw/virtio-net.c
===================================================================
--- trunk/hw/virtio-net.c	2009-02-05 22:36:08 UTC (rev 6534)
+++ trunk/hw/virtio-net.c	2009-02-05 22:36:12 UTC (rev 6535)
@@ -21,7 +21,7 @@
 typedef struct VirtIONet
 {
     VirtIODevice vdev;
-    uint8_t mac[6];
+    uint8_t mac[ETH_ALEN];
     uint16_t status;
     VirtQueue *rx_vq;
     VirtQueue *tx_vq;
@@ -46,7 +46,7 @@
     struct virtio_net_config netcfg;
 
     netcfg.status = n->status;
-    memcpy(netcfg.mac, n->mac, 6);
+    memcpy(netcfg.mac, n->mac, ETH_ALEN);
     memcpy(config, &netcfg, sizeof(netcfg));
 }
 
@@ -57,8 +57,8 @@
 
     memcpy(&netcfg, config, sizeof(netcfg));
 
-    if (memcmp(netcfg.mac, n->mac, 6)) {
-        memcpy(n->mac, netcfg.mac, 6);
+    if (memcmp(netcfg.mac, n->mac, ETH_ALEN)) {
+        memcpy(n->mac, netcfg.mac, ETH_ALEN);
         qemu_format_nic_info_str(n->vc, n->mac);
     }
 }
@@ -304,7 +304,7 @@
 
     virtio_save(&n->vdev, f);
 
-    qemu_put_buffer(f, n->mac, 6);
+    qemu_put_buffer(f, n->mac, ETH_ALEN);
     qemu_put_be32(f, n->tx_timer_active);
     qemu_put_be32(f, n->mergeable_rx_bufs);
     qemu_put_be16(f, n->status);
@@ -319,7 +319,7 @@
 
     virtio_load(&n->vdev, f);
 
-    qemu_get_buffer(f, n->mac, 6);
+    qemu_get_buffer(f, n->mac, ETH_ALEN);
     n->tx_timer_active = qemu_get_be32(f);
     n->mergeable_rx_bufs = qemu_get_be32(f);
 
@@ -356,7 +356,7 @@
     n->vdev.set_features = virtio_net_set_features;
     n->rx_vq = virtio_add_queue(&n->vdev, 256, virtio_net_handle_rx);
     n->tx_vq = virtio_add_queue(&n->vdev, 256, virtio_net_handle_tx);
-    memcpy(n->mac, nd->macaddr, 6);
+    memcpy(n->mac, nd->macaddr, ETH_ALEN);
     n->status = VIRTIO_NET_S_LINK_UP;
     n->vc = qemu_new_vlan_client(nd->vlan, nd->model, nd->name,
                                  virtio_net_receive, virtio_net_can_receive, n);

Modified: trunk/hw/virtio-net.h
===================================================================
--- trunk/hw/virtio-net.h	2009-02-05 22:36:08 UTC (rev 6534)
+++ trunk/hw/virtio-net.h	2009-02-05 22:36:12 UTC (rev 6535)
@@ -18,6 +18,8 @@
 #include "net.h"
 #include "pci.h"
 
+#define ETH_ALEN    6
+
 /* from Linux's virtio_net.h */
 
 /* The ID for virtio_net */