[PATCH 4/5] macvtap: drop broken IFF_VNET_LE
From: "Michael S. Tsirkin" <mst@redhat.com>
Date: 2014-12-16 13:06:32
Also in:
lkml
Subsystem:
networking drivers, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Use TUNSETVNETLE/TUNGETVNETLE instead. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> --- drivers/net/macvtap.c | 23 ++++++++++++++++++++--- 1 file changed, 20 insertions(+), 3 deletions(-)
diff --git a/drivers/net/macvtap.c b/drivers/net/macvtap.c
index de88285..f1f0df1 100644
--- a/drivers/net/macvtap.c
+++ b/drivers/net/macvtap.c@@ -45,16 +45,18 @@ 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 = {
@@ -1082,6 +1084,21 @@ 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 |
--
MST