From: Stephen Hemminger <shemm...@brocade.com>
If negotiation with host says that controlling Rx mode is
not supported, then don't try.
Signed-off-by: Stephen Hemminger <stephen at networkplumber.org>
---
drivers/net/virtio/virtio_ethdev.c | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)
diff --git a/drivers/net/virtio/virtio_ethdev.c
b/drivers/net/virtio/virtio_ethdev.c
index 77f18a0..3476ad3 100644
--- a/drivers/net/virtio/virtio_ethdev.c
+++ b/drivers/net/virtio/virtio_ethdev.c
@@ -426,6 +426,11 @@ virtio_dev_promiscuous_enable(struct rte_eth_dev *dev)
int dlen[1];
int ret;
+ if (!vtpci_with_feature(hw, VIRTIO_NET_F_CTRL_RX)) {
+ PMD_INIT_LOG(INFO, "host does not support rx control\n");
+ return;
+ }
+
ctrl.hdr.class = VIRTIO_NET_CTRL_RX;
ctrl.hdr.cmd = VIRTIO_NET_CTRL_RX_PROMISC;
ctrl.data[0] = 1;
@@ -444,6 +449,11 @@ virtio_dev_promiscuous_disable(struct rte_eth_dev *dev)
int dlen[1];
int ret;
+ if (!vtpci_with_feature(hw, VIRTIO_NET_F_CTRL_RX)) {
+ PMD_INIT_LOG(INFO, "host does not support rx control\n");
+ return;
+ }
+
ctrl.hdr.class = VIRTIO_NET_CTRL_RX;
ctrl.hdr.cmd = VIRTIO_NET_CTRL_RX_PROMISC;
ctrl.data[0] = 0;
@@ -462,6 +472,11 @@ virtio_dev_allmulticast_enable(struct rte_eth_dev *dev)
int dlen[1];
int ret;
+ if (!vtpci_with_feature(hw, VIRTIO_NET_F_CTRL_RX)) {
+ PMD_INIT_LOG(INFO, "host does not support rx control\n");
+ return;
+ }
+
ctrl.hdr.class = VIRTIO_NET_CTRL_RX;
ctrl.hdr.cmd = VIRTIO_NET_CTRL_RX_ALLMULTI;
ctrl.data[0] = 1;
@@ -480,6 +495,11 @@ virtio_dev_allmulticast_disable(struct rte_eth_dev *dev)
int dlen[1];
int ret;
+ if (!vtpci_with_feature(hw, VIRTIO_NET_F_CTRL_RX)) {
+ PMD_INIT_LOG(INFO, "host does not support rx control\n");
+ return;
+ }
+
ctrl.hdr.class = VIRTIO_NET_CTRL_RX;
ctrl.hdr.cmd = VIRTIO_NET_CTRL_RX_ALLMULTI;
ctrl.data[0] = 0;
--
2.1.4
