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authorGreg Kurz <gkurz@linux.vnet.ibm.com>2015-04-24 14:24:38 +0200
committerMichael S. Tsirkin <mst@redhat.com>2015-06-01 15:48:50 +0200
commit25bd55bbabd8957693c1ffc2fe1bf16cb4fdabd4 (patch)
tree19cf129338cf982001191b000a87fc71e69fd398 /drivers/net
parentvirtio: introduce virtio_is_little_endian() helper (diff)
downloadlinux-25bd55bbabd8957693c1ffc2fe1bf16cb4fdabd4.tar.xz
linux-25bd55bbabd8957693c1ffc2fe1bf16cb4fdabd4.zip
tun: add tun_is_little_endian() helper
Signed-off-by: Greg Kurz <gkurz@linux.vnet.ibm.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Acked-by: Cornelia Huck <cornelia.huck@de.ibm.com> Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/tun.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index e470ae59d405..301e87c89a9f 100644
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -206,14 +206,19 @@ struct tun_struct {
u32 flow_count;
};
+static inline bool tun_is_little_endian(struct tun_struct *tun)
+{
+ return tun->flags & TUN_VNET_LE;
+}
+
static inline u16 tun16_to_cpu(struct tun_struct *tun, __virtio16 val)
{
- return __virtio16_to_cpu(tun->flags & TUN_VNET_LE, val);
+ return __virtio16_to_cpu(tun_is_little_endian(tun), val);
}
static inline __virtio16 cpu_to_tun16(struct tun_struct *tun, u16 val)
{
- return __cpu_to_virtio16(tun->flags & TUN_VNET_LE, val);
+ return __cpu_to_virtio16(tun_is_little_endian(tun), val);
}
static inline u32 tun_hashfn(u32 rxhash)