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vhost: fix inflight resubmit check

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The frontend may not send the get_inflight_fd and
set_inflight_fd although we negotiate the protocol
feature. When we meet this situation just return OK.

Fixes: ad0a4ae491 ("vhost: checkout resubmit inflight information")
Cc: stable@dpdk.org

Signed-off-by: Jin Yu <jin.yu@intel.com>
Reviewed-by: Maxime Coquelin <maxime.coquelin@redhat.com>
This commit is contained in:
Jin Yu 2019-12-25 22:18:35 +08:00 committed by Ferruh Yigit
parent f1ad96fac7
commit c47edd040a
1 changed files with 8 additions and 2 deletions
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10
lib/librte_vhost/vhost_user.c
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@ -1645,8 +1645,11 @@ vhost_check_queue_inflights_split(struct virtio_net *dev,
(1ULL << VHOST_USER_PROTOCOL_F_INFLIGHT_SHMFD)))
return RTE_VHOST_MSG_RESULT_OK;
/* The frontend may still not support the inflight feature
* although we negotiate the protocol feature.
*/
if ((!vq->inflight_split))
return RTE_VHOST_MSG_RESULT_ERR;
return RTE_VHOST_MSG_RESULT_OK;
if (!vq->inflight_split->version) {
vq->inflight_split->version = INFLIGHT_VERSION;
@ -1726,8 +1729,11 @@ vhost_check_queue_inflights_packed(struct virtio_net *dev,
(1ULL << VHOST_USER_PROTOCOL_F_INFLIGHT_SHMFD)))
return RTE_VHOST_MSG_RESULT_OK;
/* The frontend may still not support the inflight feature
* although we negotiate the protocol feature.
*/
if ((!vq->inflight_packed))
return RTE_VHOST_MSG_RESULT_ERR;
return RTE_VHOST_MSG_RESULT_OK;
if (!vq->inflight_packed->version) {
vq->inflight_packed->version = INFLIGHT_VERSION;