[dpdk-dev] [PATCH] vhost/crypto: fix missed user protocol flag

[Fan Zhang <roy.fan.zhang@intel.com>]

Fixes: 939066d96563 ("vhost/crypto: add public function implementation")
Cc: stable@dpdk.org

This patch fixes the vhost crypto missed
"VHOST_USER_PROTOCOL_F_CONFIG" flag problem during initialization.
Newer Qemu version requires this feature enabled.

Signed-off-by: Fan Zhang <roy.fan.zhang@intel.com>
---
 lib/librte_vhost/rte_vhost.h    | 5 +++++
 lib/librte_vhost/vhost_crypto.c | 3 ++-
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/lib/librte_vhost/rte_vhost.h b/lib/librte_vhost/rte_vhost.h
index 7b5dc87c2..ad6e71702 100644
--- a/lib/librte_vhost/rte_vhost.h
+++ b/lib/librte_vhost/rte_vhost.h
@@ -68,6 +68,10 @@ extern "C" {
 #define VHOST_USER_PROTOCOL_F_PAGEFAULT 8
 #endif
 
+#ifndef VHOST_USER_PROTOCOL_F_CONFIG
+#define VHOST_USER_PROTOCOL_F_CONFIG 9
+#endif
+
 #ifndef VHOST_USER_PROTOCOL_F_SLAVE_SEND_FD
 #define VHOST_USER_PROTOCOL_F_SLAVE_SEND_FD 10
 #endif
@@ -85,6 +89,7 @@ extern "C" {
 #define VHOST_USER_F_PROTOCOL_FEATURES	30
 #endif
 
+
 /**
  * Information relating to memory regions including offsets to
  * addresses in QEMUs memory file.
diff --git a/lib/librte_vhost/vhost_crypto.c b/lib/librte_vhost/vhost_crypto.c
index 684fddc30..242fa5333 100644
--- a/lib/librte_vhost/vhost_crypto.c
+++ b/lib/librte_vhost/vhost_crypto.c
@@ -40,7 +40,8 @@
 		(1 << VIRTIO_RING_F_EVENT_IDX) |			\
 		(1 << VIRTIO_CRYPTO_SERVICE_CIPHER) |			\
 		(1 << VIRTIO_CRYPTO_SERVICE_MAC) |			\
-		(1 << VIRTIO_NET_F_CTRL_VQ))
+		(1 << VIRTIO_NET_F_CTRL_VQ) |				\
+		(1 << VHOST_USER_PROTOCOL_F_CONFIG))
 
 #define IOVA_TO_VVA(t, r, a, l, p)					\
 	((t)(uintptr_t)vhost_iova_to_vva(r->dev, r->vq, a, l, p))
-- 
2.20.1