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tun: add tun_is_little_endian() helper

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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>
This commit is contained in:
Greg Kurz 2015-04-24 14:24:38 +02:00 committed by Michael S. Tsirkin
parent cf561f0d2e
commit 25bd55bbab
1 changed files with 7 additions and 2 deletions
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9
drivers/net/tun.c
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@ -206,14 +206,19 @@ struct tun_struct {
u32 flow_count; 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) 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) 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) static inline u32 tun_hashfn(u32 rxhash)