// GetKVMNetParams returns additional arguments that need to be passed to kernel and lkvm tool to configure networks properly
// parameters are based on Network configuration extracted from Networking struct
func GetKVMNetArgs(n *networking.Networking) ([]string, []string, error) {
lkvmArgs := []string{}
kernelParams := []string{}
for i, netParams := range n.GetNetworkParameters() {
// https://www.kernel.org/doc/Documentation/filesystems/nfs/nfsroot.txt
// ip=<client-ip>:<server-ip>:<gw-ip>:<netmask>:<hostname>:<device>:<autoconf>:<dns0-ip>:<dns1-ip>
var gw string
if netParams.IPMasq {
gw = netParams.HostIP.String()
}
kernelParams = append(kernelParams, "ip="+netParams.GuestIP.String()+"::"+gw+":"+netParams.Mask.String()+":"+fmt.Sprintf(networking.IfNamePattern, i)+":::")
lkvmArgs = append(lkvmArgs, "--network", "mode=tap,tapif="+netParams.IfName+",host_ip="+netParams.HostIP.String()+",guest_ip="+netParams.GuestIP.String())
}
return lkvmArgs, kernelParams, nil
}
