LAN channel station device driver

Ubuntu 22.04 LTS LPAR mode z/VM guest

The LAN channel station device driver (LCS device driver) supports Open Systems Adapters (OSA) features in non-QDIO mode up to OSA-Express4S.

The LCS device driver supports OSA-Express features for the IBM Z® mainframes that are relevant to Ubuntu Server 22.04 LTS as shown in Table 1.

Table 1. The LCS device driver supported OSA features
Feature	z15®	z14	z13® and z13s®
OSA-Express7S	1000Base-T Ethernet	Not supported	Not supported
OSA-Express6S	1000Base-T Ethernet	1000Base-T Ethernet	Not supported
OSA-Express5S	1000Base-T Ethernet	1000Base-T Ethernet	1000Base-T Ethernet
OSA-Express4S	1000Base-T Ethernet	1000Base-T Ethernet	1000Base-T Ethernet
OSA-Express3	1000Base-T Ethernet	Not supported	Not supported

The LCS device driver supports automatic detection of Ethernet connections. The LCS device driver can be used for Internet Protocol, version 4 (IPv4) only.