To tell the frontend (qemu) how many queue pairs we support.
And it is initiated to VIRTIO_NET_CTRL_MQ_VQ_PAIRS_MAX.
Signed-off-by: Yuanhan Liu
Acked-by: Flavio Leitner
---
lib/librte_vhost/vhost_user/vhost-net-user.c | 7 +++
lib/librte_vhost/vhost_user/vhost-net-user.h | 1 +
2 files changed, 8 insertions(+)
diff --git a/lib/librte_vhost/vhost_user/vhost-net-user.c
b/lib/librte_vhost/vhost_user/vhost-net-user.c
index bc2ad24..8675cd4 100644
--- a/lib/librte_vhost/vhost_user/vhost-net-user.c
+++ b/lib/librte_vhost/vhost_user/vhost-net-user.c
@@ -98,6 +98,7 @@ static const char *vhost_message_str[VHOST_USER_MAX] = {
[VHOST_USER_SET_VRING_ERR] = "VHOST_USER_SET_VRING_ERR",
[VHOST_USER_GET_PROTOCOL_FEATURES] =
"VHOST_USER_GET_PROTOCOL_FEATURES",
[VHOST_USER_SET_PROTOCOL_FEATURES] =
"VHOST_USER_SET_PROTOCOL_FEATURES",
+ [VHOST_USER_GET_QUEUE_NUM] = "VHOST_USER_GET_QUEUE_NUM",
};
/**
@@ -421,6 +422,12 @@ vserver_message_handler(int connfd, void *dat, int *remove)
RTE_LOG(INFO, VHOST_CONFIG, "not implemented\n");
break;
+ case VHOST_USER_GET_QUEUE_NUM:
+ msg.payload.u64 = VIRTIO_NET_CTRL_MQ_VQ_PAIRS_MAX;
+ msg.size = sizeof(msg.payload.u64);
+ send_vhost_message(connfd, &msg);
+ break;
+
default:
break;
diff --git a/lib/librte_vhost/vhost_user/vhost-net-user.h
b/lib/librte_vhost/vhost_user/vhost-net-user.h
index 4490d23..389d21d 100644
--- a/lib/librte_vhost/vhost_user/vhost-net-user.h
+++ b/lib/librte_vhost/vhost_user/vhost-net-user.h
@@ -65,6 +65,7 @@ typedef enum VhostUserRequest {
VHOST_USER_SET_VRING_ERR = 14,
VHOST_USER_GET_PROTOCOL_FEATURES = 15,
VHOST_USER_SET_PROTOCOL_FEATURES = 16,
+ VHOST_USER_GET_QUEUE_NUM = 17,
VHOST_USER_MAX
} VhostUserRequest;
--
1.9.0
