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virtio: support vlan filtering

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Virtio supports vlan filtering.

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: Changchun Ouyang <changchun.ouyang@intel.com>
Acked-by: Huawei Xie <huawei.xie@intel.com>
This commit is contained in:
Stephen Hemminger 2015-02-09 09:14:02 +08:00 committed by Thomas Monjalon
parent a85786dc81
commit 9f4f2846ef
1 changed files with 29 additions and 2 deletions
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31
lib/librte_pmd_virtio/virtio_ethdev.c
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@ -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;