From 9f4f2846ef7651218ae2321c183e8b05098aeb16 Mon Sep 17 00:00:00 2001 From: Stephen Hemminger Date: Mon, 9 Feb 2015 09:14:02 +0800 Subject: [PATCH] virtio: support vlan filtering Virtio supports vlan filtering. Signed-off-by: Stephen Hemminger Signed-off-by: Changchun Ouyang Acked-by: Huawei Xie --- lib/librte_pmd_virtio/virtio_ethdev.c | 31 +++++++++++++++++++++++++-- 1 file changed, 29 insertions(+), 2 deletions(-) diff --git a/lib/librte_pmd_virtio/virtio_ethdev.c b/lib/librte_pmd_virtio/virtio_ethdev.c index 0f1592a007..120e3fcd59 100644 --- a/lib/librte_pmd_virtio/virtio_ethdev.c +++ b/lib/librte_pmd_virtio/virtio_ethdev.c @@ -84,6 +84,8 @@ static void virtio_dev_tx_queue_release(__rte_unused void *txq); static void virtio_dev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats); static void virtio_dev_stats_reset(struct rte_eth_dev *dev); static void virtio_dev_free_mbufs(struct rte_eth_dev *dev); +static int virtio_vlan_filter_set(struct rte_eth_dev *dev, + uint16_t vlan_id, int on); static int virtio_dev_queue_stats_mapping_set( __rte_unused struct rte_eth_dev *eth_dev, @@ -512,6 +514,7 @@ static struct eth_dev_ops virtio_eth_dev_ops = { .tx_queue_release = virtio_dev_tx_queue_release, /* collect stats per queue */ .queue_stats_mapping_set = virtio_dev_queue_stats_mapping_set, + .vlan_filter_set = virtio_vlan_filter_set, }; static inline int @@ -641,14 +644,31 @@ virtio_get_hwaddr(struct virtio_hw *hw) } } +static int +virtio_vlan_filter_set(struct rte_eth_dev *dev, uint16_t vlan_id, int on) +{ + struct virtio_hw *hw = dev->data->dev_private; + struct virtio_pmd_ctrl ctrl; + int len; + + if (!vtpci_with_feature(hw, VIRTIO_NET_F_CTRL_VLAN)) + return -ENOTSUP; + + ctrl.hdr.class = VIRTIO_NET_CTRL_VLAN; + ctrl.hdr.cmd = on ? VIRTIO_NET_CTRL_VLAN_ADD : VIRTIO_NET_CTRL_VLAN_DEL; + memcpy(ctrl.data, &vlan_id, sizeof(vlan_id)); + len = sizeof(vlan_id); + + return virtio_send_command(hw->cvq, &ctrl, &len, 1); +} static void virtio_negotiate_features(struct virtio_hw *hw) { uint32_t host_features, mask; - mask = VIRTIO_NET_F_CTRL_VLAN; - mask |= VIRTIO_NET_F_CSUM | VIRTIO_NET_F_GUEST_CSUM; + /* checksum offload not implemented */ + mask = VIRTIO_NET_F_CSUM | VIRTIO_NET_F_GUEST_CSUM; /* TSO and LRO are only available when their corresponding * checksum offload feature is also negotiated. @@ -1059,6 +1079,13 @@ virtio_dev_configure(struct rte_eth_dev *dev) hw->vlan_strip = rxmode->hw_vlan_strip; + if (rxmode->hw_vlan_filter + && !vtpci_with_feature(hw, VIRTIO_NET_F_CTRL_VLAN)) { + PMD_DRV_LOG(NOTICE, + "vlan filtering not available on this host"); + return -ENOTSUP; + } + if (vtpci_irq_config(hw, 0) == VIRTIO_MSI_NO_VECTOR) { PMD_DRV_LOG(ERR, "failed to set config vector"); return -EBUSY; -- 2.20.1