runtime-rs: support functionalities of ipvlan endpoint

Add support for ipvlan endpoint

Fixes: #4655
Signed-off-by: Ji-Xinyou <jerryji0414@outlook.com>

src/runtime-rs/crates/resource/src/network/endpoint/ipvlan_endpoint.rs

@@ -0,0 +1,90 @@
+// Copyright (c) 2019-2022 Alibaba Cloud
+// Copyright (c) 2019-2022 Ant Group
+//
+// SPDX-License-Identifier: Apache-2.0
+//
+
+use std::io::{self, Error};
+
+use anyhow::{Context, Result};
+use async_trait::async_trait;
+
+use super::Endpoint;
+use crate::network::network_model::TC_FILTER_NET_MODEL_STR;
+use crate::network::{utils, NetworkPair};
+use hypervisor::{device::NetworkConfig, Device, Hypervisor};
+
+// IPVlanEndpoint is the endpoint bridged to VM
+#[derive(Debug)]
+pub struct IPVlanEndpoint {
+    pub(crate) net_pair: NetworkPair,
+}
+
+impl IPVlanEndpoint {
+    pub async fn new(
+        handle: &rtnetlink::Handle,
+        name: &str,
+        idx: u32,
+        queues: usize,
+    ) -> Result<Self> {
+        // tc filter network model is the only one works for ipvlan
+        let net_pair = NetworkPair::new(handle, idx, name, TC_FILTER_NET_MODEL_STR, queues)
+            .await
+            .context("error creating new NetworkPair")?;
+        Ok(IPVlanEndpoint { net_pair })
+    }
+
+    fn get_network_config(&self) -> Result<NetworkConfig> {
+        let iface = &self.net_pair.tap.tap_iface;
+        let guest_mac = utils::parse_mac(&iface.hard_addr).ok_or_else(|| {
+            Error::new(
+                io::ErrorKind::InvalidData,
+                format!("hard_addr {}", &iface.hard_addr),
+            )
+        })?;
+        Ok(NetworkConfig {
+            id: self.net_pair.virt_iface.name.clone(),
+            host_dev_name: iface.name.clone(),
+            guest_mac: Some(guest_mac),
+        })
+    }
+}
+
+#[async_trait]
+impl Endpoint for IPVlanEndpoint {
+    async fn name(&self) -> String {
+        self.net_pair.virt_iface.name.clone()
+    }
+
+    async fn hardware_addr(&self) -> String {
+        self.net_pair.tap.tap_iface.hard_addr.clone()
+    }
+
+    async fn attach(&self, h: &dyn Hypervisor) -> Result<()> {
+        self.net_pair
+            .add_network_model()
+            .await
+            .context("error adding network model")?;
+        let config = self.get_network_config().context("get network config")?;
+        h.add_device(Device::Network(config))
+            .await
+            .context("error adding device by hypervisor")?;
+
+        Ok(())
+    }
+
+    async fn detach(&self, h: &dyn Hypervisor) -> Result<()> {
+        self.net_pair
+            .del_network_model()
+            .await
+            .context("error deleting network model")?;
+        let config = self
+            .get_network_config()
+            .context("error getting network config")?;
+        h.remove_device(Device::Network(config))
+            .await
+            .context("error removing device by hypervisor")?;
+
+        Ok(())
+    }
+}

src/runtime-rs/crates/resource/src/network/endpoint/mod.rs

@@ -8,6 +8,8 @@ mod physical_endpoint;
 pub use physical_endpoint::PhysicalEndpoint;
 mod veth_endpoint;
 pub use veth_endpoint::VethEndpoint;
+mod ipvlan_endpoint;
+pub use ipvlan_endpoint::IPVlanEndpoint;
 
 use anyhow::Result;
 use async_trait::async_trait;

src/runtime-rs/crates/resource/src/network/network_model/mod.rs

@@ -15,8 +15,8 @@ use async_trait::async_trait;
 
 use super::NetworkPair;
 
-const TC_FILTER_NET_MODEL_STR: &str = "tcfilter";
+pub(crate) const TC_FILTER_NET_MODEL_STR: &str = "tcfilter";
-const ROUTE_NET_MODEL_STR: &str = "route";
+pub(crate) const ROUTE_NET_MODEL_STR: &str = "route";
 
 pub enum NetworkModelType {
     NoneModel,

src/runtime-rs/crates/resource/src/network/network_pair.rs

@@ -54,6 +54,7 @@ impl NetworkPair {
         let tap_link = create_link(handle, &tap_iface_name, queues)
             .await
             .context("create link")?;
+
         let virt_link = get_link_by_name(handle, virt_iface_name.clone().as_str())
             .await
             .context("get link by name")?;

src/runtime-rs/crates/resource/src/network/network_with_netns.rs

@@ -17,7 +17,7 @@ use scopeguard::defer;
 use tokio::sync::RwLock;
 
 use super::{
-    endpoint::{Endpoint, PhysicalEndpoint, VethEndpoint},
+    endpoint::{Endpoint, IPVlanEndpoint, PhysicalEndpoint, VethEndpoint},
     network_entity::NetworkEntity,
     network_info::network_info_from_link::NetworkInfoFromLink,
     utils::{link, netns},
@@ -186,6 +186,12 @@ async fn create_endpoint(
                 .context("veth endpoint")?;
                 Arc::new(ret)
             }
+            "ipvlan" => {
+                let ret = IPVlanEndpoint::new(handle, &attrs.name, idx, config.queues)
+                    .await
+                    .context("ipvlan endpoint")?;
+                Arc::new(ret)
+            }
             _ => return Err(anyhow!("unsupported link type: {}", link_type)),
         }
     };