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authorMichael S. Tsirkin <mst@redhat.com>2014-12-16 15:05:10 +0200
committerDavid S. Miller <davem@davemloft.net>2014-12-16 11:19:42 -0500
commit01b07fb3508890b637b97f0fe3a4053a6a7f6fc3 (patch)
tree9dc1793c1cedbbff47754a05a90518bd5b906d28 /drivers/net/macvtap.c
parent1cf8e410b6d3906aa1ecacdd15dd9b448c9ce111 (diff)
macvtap: drop broken IFF_VNET_LE
Use TUNSETVNETLE/TUNGETVNETLE instead. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/macvtap.c')
-rw-r--r--drivers/net/macvtap.c23
1 files changed, 20 insertions, 3 deletions
diff --git a/drivers/net/macvtap.c b/drivers/net/macvtap.c
index 80fdb82352fa..7df221788cd4 100644
--- a/drivers/net/macvtap.c
+++ b/drivers/net/macvtap.c
@@ -46,16 +46,18 @@ struct macvtap_queue {
struct list_head next;
};
-#define MACVTAP_FEATURES (IFF_VNET_HDR | IFF_VNET_LE | IFF_MULTI_QUEUE)
+#define MACVTAP_FEATURES (IFF_VNET_HDR | IFF_MULTI_QUEUE)
+
+#define MACVTAP_VNET_LE 0x80000000
static inline u16 macvtap16_to_cpu(struct macvtap_queue *q, __virtio16 val)
{
- return __virtio16_to_cpu(q->flags & IFF_VNET_LE, val);
+ return __virtio16_to_cpu(q->flags & MACVTAP_VNET_LE, val);
}
static inline __virtio16 cpu_to_macvtap16(struct macvtap_queue *q, u16 val)
{
- return __cpu_to_virtio16(q->flags & IFF_VNET_LE, val);
+ return __cpu_to_virtio16(q->flags & MACVTAP_VNET_LE, val);
}
static struct proto macvtap_proto = {
@@ -1070,6 +1072,21 @@ static long macvtap_ioctl(struct file *file, unsigned int cmd,
q->vnet_hdr_sz = s;
return 0;
+ case TUNGETVNETLE:
+ s = !!(q->flags & MACVTAP_VNET_LE);
+ if (put_user(s, sp))
+ return -EFAULT;
+ return 0;
+
+ case TUNSETVNETLE:
+ if (get_user(s, sp))
+ return -EFAULT;
+ if (s)
+ q->flags |= MACVTAP_VNET_LE;
+ else
+ q->flags &= ~MACVTAP_VNET_LE;
+ return 0;
+
case TUNSETOFFLOAD:
/* let the user check for future flags */
if (arg & ~(TUN_F_CSUM | TUN_F_TSO4 | TUN_F_TSO6 |