#endif /* CONFIG_SLIRP */
-#if !defined(_WIN32)
+#if defined(_WIN32)
+int tap_has_vnet_hdr(VLANClientState *vc)
+{
+ return 0;
+}
+void tap_using_vnet_hdr(VLANClientState *vc, int using_vnet_hdr)
+{
+}
+#else /* !defined(_WIN32) */
/* Maximum GSO packet size (64k) plus plenty of room for
* the ethernet and virtio_net headers
unsigned int read_poll : 1;
unsigned int write_poll : 1;
unsigned int has_vnet_hdr : 1;
+ unsigned int using_vnet_hdr : 1;
} TAPState;
static int launch_script(const char *setup_script, const char *ifname, int fd);
struct iovec iov_copy[iovcnt + 1];
struct virtio_net_hdr hdr = { 0, };
- if (s->has_vnet_hdr) {
+ if (s->has_vnet_hdr && !s->using_vnet_hdr) {
iov_copy[0].iov_base = &hdr;
iov_copy[0].iov_len = sizeof(hdr);
memcpy(&iov_copy[1], iov, iovcnt * sizeof(*iov));
int iovcnt = 0;
struct virtio_net_hdr hdr = { 0, };
- if (s->has_vnet_hdr) {
+ if (s->has_vnet_hdr && !s->using_vnet_hdr) {
iov[iovcnt].iov_base = &hdr;
iov[iovcnt].iov_len = sizeof(hdr);
iovcnt++;
break;
}
- if (s->has_vnet_hdr) {
+ if (s->has_vnet_hdr && !s->using_vnet_hdr) {
buf += sizeof(struct virtio_net_hdr);
size -= sizeof(struct virtio_net_hdr);
}
return 0;
}
+int tap_has_vnet_hdr(VLANClientState *vc)
+{
+ TAPState *s = vc->opaque;
+
+ assert(vc->type == NET_CLIENT_TYPE_TAP);
+
+ return s->has_vnet_hdr;
+}
+
+void tap_using_vnet_hdr(VLANClientState *vc, int using_vnet_hdr)
+{
+ TAPState *s = vc->opaque;
+
+ using_vnet_hdr = using_vnet_hdr != 0;
+
+ assert(vc->type == NET_CLIENT_TYPE_TAP);
+ assert(s->has_vnet_hdr == using_vnet_hdr);
+
+ s->using_vnet_hdr = using_vnet_hdr;
+}
+
static int tap_probe_vnet_hdr(int fd)
{
struct ifreq ifr;
s = qemu_mallocz(sizeof(TAPState));
s->fd = fd;
s->has_vnet_hdr = vnet_hdr != 0;
+ s->using_vnet_hdr = 0;
s->vc = qemu_new_vlan_client(NET_CLIENT_TYPE_TAP,
vlan, NULL, model, name, NULL,
tap_receive, tap_receive_iov,