Don't try to set features related to receiving unless the appropriate feature bit has ben negotiated with the host.
This solves some of the issues when using virtio on non-KVM/QEMU hypervisors. Signed-off-by: Stephen Hemminger <stephen at networkplumber.org> --- lib/librte_pmd_virtio/virtio_ethdev.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/lib/librte_pmd_virtio/virtio_ethdev.c b/lib/librte_pmd_virtio/virtio_ethdev.c index a38ceed..f0859d8 100644 --- a/lib/librte_pmd_virtio/virtio_ethdev.c +++ b/lib/librte_pmd_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