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net/macvtap: add vhost support

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This adds support for passing a macvtap file descriptor into
vhost-net, much like we already do for tun/tap.

Most of the new code is taken from the respective patch
in the tun driver and may get consolidated in the future.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Sridhar Samudrala <sri@us.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Arnd Bergmann 2010-02-18 05:46:50 +00:00 • committed by David S. Miller
parent 02df55d28c
commit 501c774cb1
4 changed files with 97 additions and 24 deletions
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13
include/linux/if_macvlan.h
View file

@ -7,6 +7,19 @@
#include <linux/netlink.h>
#include <net/netlink.h>
#if defined(CONFIG_MACVTAP) || defined(CONFIG_MACVTAP_MODULE)
struct socket *macvtap_get_socket(struct file *);
#else
#include <linux/err.h>
#include <linux/errno.h>
struct file;
struct socket;
static inline struct socket *macvtap_get_socket(struct file *f)
{
return ERR_PTR(-EINVAL);
}
#endif /* CONFIG_MACVTAP */
struct macvlan_port;
struct macvtap_queue;