vmm:fix stratovirt lightweight vm sandbox start failed when cni enabled

net device bus and addr should not be set, transport should be mmio when starting stratovirt lightweight vm sandbox Signed-off-by: Vanient <xiadanni1@huawei.com>
kuasar-io · Dec 26, 2023 · e226c0f · e226c0f
1 parent f4ab00f
commit e226c0f
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Showing 2 changed files with 43 additions and 8 deletions.
diff --git a/vmm/sandbox/src/stratovirt/devices/virtio_net.rs b/vmm/sandbox/src/stratovirt/devices/virtio_net.rs
@@ -62,9 +62,9 @@ pub struct VirtioNetDevice {
     pub(crate) fds: Vec<i32>,
     #[property(param = "netdev", predicate = "self.fds.len()<=0")]
     pub(crate) ifname: Option<String>,
-    #[property(param = "device", key = "bus")]
+    #[property(param = "device", key = "bus", predicate = "self.addr.len()>0")]
     pub(crate) pci_bus: Option<String>,
-    #[property(param = "device", key = "addr")]
+    #[property(param = "device", predicate = "self.addr.len()>0")]
     pub(crate) addr: String,
     #[property(param = "netdev")]
     pub(crate) script: Option<String>,
@@ -170,12 +170,10 @@ impl VirtioNetDevice {
 #[cfg(test)]
 mod tests {
     use crate::{
+        device::Transport,
         network::NetType,
         param::ToCmdLineParams,
-        stratovirt::{
-            devices::{virtio_net::VirtioNetDevice, DEFAULT_PCIE_BUS},
-            Transport,
-        },
+        stratovirt::devices::{virtio_net::VirtioNetDevice, DEFAULT_PCIE_BUS},
     };
 
     #[test]
@@ -213,4 +211,41 @@ mod tests {
             .position(|x| x == "virtio-net-pci,netdev=intf-tap0,id=virtio-net-intf-tap0,bus=pcie.0,addr=0x0f,mac=a1:b2:c3:d5:f4,mq=on")
             .is_some());
     }
+
+    #[test]
+    fn test_virtio_net_params_microvm() {
+        let device = VirtioNetDevice {
+            r#type: NetType::Tap,
+            transport: Transport::Mmio,
+            driver: "virtio-net-device".to_string(),
+            id: "intf-tap0".to_string(),
+            device_id: "virtio-net-intf-tap0".to_string(),
+            vhost: false,
+            vhostfds: vec![],
+            fds: vec![],
+            ifname: Some("tap0".to_string()),
+            pci_bus: Some(DEFAULT_PCIE_BUS.to_string()),
+            addr: "".to_string(),
+            script: None,
+            down_script: None,
+            mac_address: "a1:b2:c3:d5:f4".to_string(),
+            multi_queue: false,
+            disable_modern: None,
+            romfile: None,
+            queues: None,
+        };
+        let params = device.to_cmdline_params("-");
+
+        println!("params: {:?}", params);
+
+        assert!(params
+            .iter()
+            .position(|x| x == "tap,id=intf-tap0,ifname=tap0")
+            .is_some());
+        assert!(params
+            .iter()
+            .position(|x| x
+                == "virtio-net-device,netdev=intf-tap0,id=virtio-net-intf-tap0,mac=a1:b2:c3:d5:f4,mq=off")
+            .is_some());
+    }
 }
diff --git a/vmm/sandbox/src/stratovirt/mod.rs b/vmm/sandbox/src/stratovirt/mod.rs
@@ -45,7 +45,7 @@ use self::{
     hooks::StratoVirtHooks,
 };
 use crate::{
-    device::{Bus, BusType, DeviceInfo, Slot, SlotStatus, Transport},
+    device::{Bus, BusType, DeviceInfo, Slot, SlotStatus},
     impl_recoverable, load_config,
     param::ToCmdLineParams,
     sandbox::KuasarSandboxer,
@@ -200,7 +200,7 @@ impl VM for StratoVirtVM {
                     .id(&tap_info.id)
                     .name(&tap_info.name)
                     .mac_address(&tap_info.mac_address)
-                    .transport(Transport::Pci)
+                    .transport(self.config.machine.transport())
                     .fds(fd_ints)
                     .vhost(false)
                     .vhostfds(vec![])