From: Maxime Coquelin <maxime.coquelin@redhat.com>
Date: Thu, 20 Jun 2019 20:07:12 +0000 (+0200)
Subject: vhost: log virtio and vhost-user negotiated features
X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=906accb60bed5d9adc97bd07db8dce4ac0dc8df3;p=dpdk.git

vhost: log virtio and vhost-user negotiated features

Having this info logged by default when analysing bug reports
has proved to be useful.

Signed-off-by: Maxime Coquelin <maxime.coquelin@redhat.com>
Reviewed-by: Tiwei Bie <tiwei.bie@intel.com>
---

diff --git a/lib/librte_vhost/vhost_user.c b/lib/librte_vhost/vhost_user.c
index c9e29ece8f..0b72648a5a 100644
--- a/lib/librte_vhost/vhost_user.c
+++ b/lib/librte_vhost/vhost_user.c
@@ -284,6 +284,8 @@ vhost_user_set_features(struct virtio_net **pdev, struct VhostUserMsg *msg,
 	} else {
 		dev->vhost_hlen = sizeof(struct virtio_net_hdr);
 	}
+	RTE_LOG(INFO, VHOST_CONFIG,
+		"negotiated Virtio features: 0x%" PRIx64 "\n", dev->features);
 	VHOST_LOG_DEBUG(VHOST_CONFIG,
 		"(%d) mergeable RX buffers %s, virtio 1 %s\n",
 		dev->vid,
@@ -1406,6 +1408,9 @@ vhost_user_set_protocol_features(struct virtio_net **pdev,
 	}
 
 	dev->protocol_features = protocol_features;
+	RTE_LOG(INFO, VHOST_CONFIG,
+		"negotiated Vhost-user protocol features: 0x%" PRIx64 "\n",
+		dev->protocol_features);
 
 	return RTE_VHOST_MSG_RESULT_OK;
 }