[dpdk-dev] [PATCH] vhost: disable indirect descriptors feature

[Maxime Coquelin <maxime.coquelin@redhat.com>]

Commit 2304dd73d287 ("vhost: support indirect Tx descriptors")
adds support for indirect descriptors for Tx, but not for Rx.

The problem is that it does not work with windows guests, which
uses indirect descriptors for the Rx, and also with Linux guests
when using kernel driver with mergeable buffers feature disabled.

While indirect descriptors support is also added to the Rx path,
let's disable the feature.

Reported-by: Zhihong Wang <zhihong.wang@intel.com>
Reported-by: Ciara Loftus <ciara.loftus@intel.com>
Cc: Yuanhan Liu <yuanhan.liu@linux.intel.com>
Signed-off-by: Maxime Coquelin <maxime.coquelin@redhat.com>
---
 lib/librte_vhost/vhost.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/lib/librte_vhost/vhost.c b/lib/librte_vhost/vhost.c
index 469117a..f5f8f92 100644
--- a/lib/librte_vhost/vhost.c
+++ b/lib/librte_vhost/vhost.c
@@ -65,8 +65,7 @@
 				(1ULL << VIRTIO_NET_F_CSUM)    | \
 				(1ULL << VIRTIO_NET_F_GUEST_CSUM) | \
 				(1ULL << VIRTIO_NET_F_GUEST_TSO4) | \
-				(1ULL << VIRTIO_NET_F_GUEST_TSO6) | \
-				(1ULL << VIRTIO_RING_F_INDIRECT_DESC))
+				(1ULL << VIRTIO_NET_F_GUEST_TSO6))
 
 uint64_t VHOST_FEATURES = VHOST_SUPPORTED_FEATURES;
 
-- 
2.7.4