diff options
| author | Alex Williamson <alex.williamson@hp.com> | 2009-06-05 14:46:52 -0600 |
|---|---|---|
| committer | Mark McLoughlin <markmc@redhat.com> | 2009-06-09 11:38:50 +0100 |
| commit | 6c042c16fc2453e147e8aed66510820302f50702 (patch) | |
| tree | 935e15200cc9a026e46cc90e7fcf04379f8ca852 /hw/virtio-net.c | |
| parent | 8aeff62d75b72263d855a0b5892b8d52ad6f09e0 (diff) | |
virtio-net: Add version_id 7 placeholder for vnet header support
Signed-off-by: Alex Williamson <alex.williamson@hp.com>
Signed-off-by: Mark McLoughlin <markmc@redhat.com>
Diffstat (limited to 'hw/virtio-net.c')
| -rw-r--r-- | hw/virtio-net.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/hw/virtio-net.c b/hw/virtio-net.c index a3ba890312..a77fdb29e0 100644 --- a/hw/virtio-net.c +++ b/hw/virtio-net.c @@ -16,7 +16,7 @@ #include "qemu-timer.h" #include "virtio-net.h" -#define VIRTIO_NET_VM_VERSION 6 +#define VIRTIO_NET_VM_VERSION 7 #define MAC_TABLE_ENTRIES 32 #define MAX_VLAN (1 << 12) /* Per 802.1Q definition */ @@ -528,6 +528,7 @@ static void virtio_net_save(QEMUFile *f, void *opaque) qemu_put_be32(f, n->mac_table.in_use); qemu_put_buffer(f, n->mac_table.macs, n->mac_table.in_use * ETH_ALEN); qemu_put_buffer(f, (uint8_t *)n->vlans, MAX_VLAN >> 3); + qemu_put_be32(f, 0); /* vnet-hdr placeholder */ } static int virtio_net_load(QEMUFile *f, void *opaque, int version_id) @@ -567,6 +568,12 @@ static int virtio_net_load(QEMUFile *f, void *opaque, int version_id) if (version_id >= 6) qemu_get_buffer(f, (uint8_t *)n->vlans, MAX_VLAN >> 3); + if (version_id >= 7 && qemu_get_be32(f)) { + fprintf(stderr, + "virtio-net: saved image requires vnet header support\n"); + exit(1); + } + if (n->tx_timer_active) { qemu_mod_timer(n->tx_timer, qemu_get_clock(vm_clock) + TX_TIMER_INTERVAL); |