Network Management

Overview

A Network Manager is a daemon which handles network management operations. It must implement the xyz.openbmc_project.Network.SystemConfiguration.interface and org.freedesktop.DBus.ObjectManager.

When the network manager daemon comes up, it should create objects implementing physical link/virtual interfaces such as xyz.openbmc_project.Network.EthernetInterface or xyz.openbmc_project.Network.VLANInterface on the system.

IP address(v4 and v6) objects must be children objects of the physical/virtual interface object.

Interfaces

  1. SystemConfiguration: This describes the system-specific parameters.
  2. EthernetInterface: This describes the interface specific parameters.
  3. IP: This describes the IP address specific parameters.
  4. IPProtocol: This describes the IP protocol type(IPv4/IPv6).
  5. VLANInterface: This describes the VLAN specific properties.
  6. Bond: This describes the interface bonding parameters.

D-Bus Objects

Interface Objects

Interface objects can be physical as well as virtual.

If the object is a physical interface, it can't be deleted, but if it is a virtual interface object it can be deleted.

E.g. /xyz/openbmc_project/network/<interfacename>

IP Address Objects

There can be multiple IP address objects under an interface object. These objects can be deleted by the delete function.

IPv4 objects will have the following D-Bus object path:

/xyz/openbmc_project/network/<interface>/ipv4/<id>

IPv6 objects will have the following D-Bus object path:

/xyz/openbmc_project/network/<interface>/ipv6/<id>

Network Configuration Object

The network configuration object will have system configuration parameters:

/xyz/openbmc_project/network/conf

Commands

Create Static IPv4 Address

busctl call  xyz.openbmc_project.Network /xyz/openbmc_project/network/<interface> xyz.openbmc_project.Network.IP.Create IP ssys "xyz.openbmc_project.Network.IP.Protocol.IPv4" "<IP Address>" <Netmask Prefix> "<Network Gateway>"

curl -c cjar -b cjar -k -H "Content-Type: application/json" -X  POST -d '{"data":["xyz.openbmc_project.Network.IP.Protocol.IPv4","<IP Address>", <Netmask Prefix>, "<Network Gateway>"]
}' https://${bmc}/xyz/openbmc_project/network/<interface>/action/IP

E.g.

curl -c cjar -b cjar -k -H "Content-Type: application/json" -X  POST -d '{"data":["xyz.openbmc_project.Network.IP.Protocol.IPv4","8.8.8.8", 24, "8.8.8.0"]}' https://${bmc}/xyz/openbmc_project/network/eth0/action/IP

Note: After creating the IP address object enumerate the network interface object to get the IPv4 id.

Delete IPv4 Address

busctl call xyz.openbmc_project.Network /xyz/openbmc_project/network/<interface>/ipv4/<id> xyz.openbmc_project.Object.Delete Delete

curl -c cjar -b cjar -k -H "Content-Type: application/json" -X DELETE https://${bmc}/xyz/openbmc_project/network/<interface>/ipv4/<id>

Default Gateway

Get
busctl get-property xyz.openbmc_project.Network /xyz/openbmc_project/network/config xyz.openbmc_project.Network.SystemConfiguration DefaultGateway

curl -c cjar -b cjar -k -H "Content-Type: application/json" https://${bmc}/xyz/openbmc_project/network/config/attr/DefaultGateway
Set
busctl set-property xyz.openbmc_project.Network /xyz/openbmc_project/network/config xyz.openbmc_project.Network.SystemConfiguration DefaultGateway s "<DefaultGateway>"

curl -c cjar -b cjar -k -H "Content-Type: application/json" -X  PUT  -d '{"data": "<DefaultGateway>"}' https://${bmc}/xyz/openbmc_project/network/config/attr/DefaultGateway

NOTE: The default gateway must be pingable, if not 0.0.0.0 will be used.

HostName

Get
busctl get-property xyz.openbmc_project.Network /xyz/openbmc_project/network/config xyz.openbmc_project.Network.SystemConfiguration HostName

curl -c cjar -b cjar -k -H "Content-Type: application/json" https://${bmc}/xyz/openbmc_project/network/config/attr/HostName
Set
busctl set-property xyz.openbmc_project.Network /xyz/openbmc_project/network/config xyz.openbmc_project.Network.SystemConfiguration HostName s "<HostName>"

curl -c cjar -b cjar -k -H "Content-Type: application/json" -X  PUT  -d '{"data": "<HostName>"}' https://${bmc}/xyz/openbmc_project/network/config/attr/HostName

DHCP

Get
busctl get-property xyz.openbmc_project.Network /xyz/openbmc_project/network/eth0 xyz.openbmc_project.Network.EthernetInterface DHCPEnabled

curl -c cjar -b cjar -k -H "Content-Type: application/json" https://${bmc}/xyz/openbmc_project/network/eth0/attr/DHCPEnabled
Enable
busctl set-property xyz.openbmc_project.Network /xyz/openbmc_project/network/eth0 xyz.openbmc_project.Network.EthernetInterface DHCPEnabled b 1

curl -c cjar -b cjar -k -H "Content-Type: application/json" -X  PUT  -d '{"data": 1}' https://${bmc}/xyz/openbmc_project/network/eth0/attr/DHCPEnabled

MAC Address

Get
busctl get-property xyz.openbmc_project.Network /xyz/openbmc_project/network/eth0 xyz.openbmc_project.Network.MACAddress MACAddress

curl -c cjar -b cjar -k -H "Content-Type: application/json" https://${bmc}/xyz/openbmc_project/network/<interface>/attr/MACAddress
Set
busctl set-property xyz.openbmc_project.Network /xyz/openbmc_project/network/<interface> xyz.openbmc_project.Network.MACAddress MACAddress s "<MAC Address>"

curl -c cjar -b cjar -k -H "Content-Type: application/jon" -X  PUT  -d '{"data": "<MAC Address>" }' https://${bmc}/xyz/openbmc_project/network/<interface>/attr/MACAddress

NOTE: MAC address should be a local admin MAC (2nd bit of first byte should be on).

Network Factory Reset

busctl call xyz.openbmc_project.Network /xyz/openbmc_project/network xyz.openbmc_project.Common.FactoryReset Reset

curl -c cjar -b cjar -k -H "Content-Type: application/json" -X POST -d '{"data":[] }' https://${bmc}/xyz/openbmc_project/network/action/Reset

VLAN

Create
busctl call xyz.openbmc_project.Network /xyz/openbmc_project/network xyz.openbmc_project.Network.VLAN.Create VLAN su "<interface>" <VLAN id>

curl -c cjar -b cjar -k -H "Content-Type: application/json" -X POST -d '{"data":["<interface>", <VLAN id>] }' https://${bmc}/xyz/openbmc_project/network/action/VLAN

E.g.

curl -c cjar -b cjar -k -H "Content-Type: application/json" -X POST -d '{"data":["eth0",50] }' https://${bmc}/xyz/openbmc_project/network/action/VLAN
Delete
busctl call xyz.openbmc_project.Network /xyz/openbmc_project/network/<VLAN interface> xyz.openbmc_project.Object.Delete Delete

curl -c cjar -b cjar -k -H "Content-Type: application/json" -X DELETE https://${bmc}/xyz/openbmc_project/network/<VLAN interface>

E.g.

curl -c cjar -b cjar -k -H "Content-Type: application/json" -X DELETE https://${bmc}/xyz/openbmc_project/network/eth0_50
Enumerate
curl -c cjar -b cjar -k -H "Content-Type: application/json" https://${bmc}/xyz/openbmc_project/network/<VLAN interface>/enumerate

IPMI VLAN and IP

Create
ipmitool -I dbus lan set 1 ipsrc static

ipmitool -I dbus lan set 1 ipaddr <IP address>

ipmitool -I dbus lan set 1 netmask <mask>

ipmitool -I dbus lan set 1 defgw ipaddr <IP address>

ipmitool -I dbus lan set 1 vlan id <id>

ipmitool -I dbus raw 0x06 0x40 // To the save settings

NOTE: It takes 4-5 seconds to create the VLAN and configure the IP. If a VLAN interface is not desired don't set the VLAN id above.

Delete
ipmitool -I dbus lan set 1 vlan id off

ipmitool -I dbus raw 0x06 0x40 // To the save settings