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tap: add API to retrieve vhost net header

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will be used by virtio-net for vhost net support

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Michael S. Tsirkin 2010-03-17 13:08:38 +02:00 • committed by Anthony Liguori
parent 82b0d80ef6
commit b202554cf7
2 changed files with 10 additions and 0 deletions
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7
net/tap.c
View file

@ -488,3 +488,10 @@ int net_init_tap(QemuOpts *opts, Monitor *mon, const char *name, VLANState *vlan
return 0;
}
VHostNetState *tap_get_vhost_net(VLANClientState *nc)
{
TAPState *s = DO_UPCAST(TAPState, nc, nc);
assert(nc->info->type == NET_CLIENT_TYPE_TAP);
return s->vhost_net;
}

3
net/tap.h
View file

@ -50,4 +50,7 @@ void tap_fd_set_offload(int fd, int csum, int tso4, int tso6, int ecn, int ufo);
int tap_get_fd(VLANClientState *vc);
struct vhost_net;
struct vhost_net *tap_get_vhost_net(VLANClientState *vc);
#endif /* QEMU_NET_TAP_H */