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vhost: fix checking of device features

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To compare enabled features in current device we must use bit
mask instead of bit position.

Fixes: c843af3aa1 ("vhost: access header only if offloading is supported")
Cc: stable@dpdk.org

Signed-off-by: Ivan Dyukov <i.dyukov@samsung.com>
Reviewed-by: Maxime Coquelin <maxime.coquelin@redhat.com>
Acked-by: Yuanhan Liu <yuanhan.liu@linux.intel.com>
This commit is contained in:
Ivan Dyukov 2017-06-28 15:40:31 +03:00 committed by Yuanhan Liu
parent 71afcefbd5
commit c665d9a231
1 changed files with 5 additions and 3 deletions
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8
lib/librte_vhost/virtio_net.c
View File

@ -615,9 +615,11 @@ static inline bool
virtio_net_with_host_offload(struct virtio_net *dev)
{
if (dev->features &
(VIRTIO_NET_F_CSUM | VIRTIO_NET_F_HOST_ECN |
VIRTIO_NET_F_HOST_TSO4 | VIRTIO_NET_F_HOST_TSO6 |
VIRTIO_NET_F_HOST_UFO))
((1ULL << VIRTIO_NET_F_CSUM) |
(1ULL << VIRTIO_NET_F_HOST_ECN) |
(1ULL << VIRTIO_NET_F_HOST_TSO4) |
(1ULL << VIRTIO_NET_F_HOST_TSO6) |
(1ULL << VIRTIO_NET_F_HOST_UFO)))
return true;
return false;