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NetXtreme II User Guide
January 2010
Broadcom Corporation
Page 122 Limitations Document ENGSRVT52-CDUM100-R
LIMITATIONS
• bnx2 Driver
• bnx2x Driver
• bnx2i Driver
BNX2 DRIVER
The current version of the driver has been tested on 2.4.x kernels (starting from 2.4.24) and all 2.6.x kernels. The driver may
not compile on kernels older than 2.4.24.
NOTE: Support for the 2.4.21 kernels is provided in Red Hat Enterprise Linux 3.
Testing is concentrated on i386 and x86_64 architectures. Only limited testing has been done on other architectures. Minor
changes to some source files and Makefile may be needed on some kernels. Additionally, the Makefile will not compile the
cnic driver on kernels older than 2.6.16. iSCSI offload is only supported on 2.6.16 and newer kernels.
NOTE: For Broadcom NetXtreme II BCM5708 devices with a silicon revision prior to B2, the open source bnx2
driver does not support the reporting and configuration of NetXtreme II WOL settings via ethtool. For silicon
revisions of B2 or later, the bnx2 driver reports support for Magic Packet WOL via ethtool. Enabling support via
ethtool is mandatory to successfully wake the system. To determine the silicon revision of your Broadcom
NetXtreme II device, use the lspci command, where “10” = revision B0, “11” = revision B1, and “12” = revision B2.
BNX2X DRIVER
The current version of the driver has been tested on 2.6.x kernels starting from 2.6.9. The driver may not compile on kernels
older than 2.6.9. Testing is concentrated on i386 and x86_64 architectures. Only limited testing has been done on some
other architectures. Minor changes to some source files and Makefile may be needed on some kernels.
BNX2I DRIVER
The current version of the driver has been tested on 2.6.x kernels, starting from 2.6.18 kernel. The driver may not compile
on older kernels with the exception of SLES 10 SP1, which runs 2.6.16.46 kernel. SUSE upgraged the iscsi_transport kernel
module in SLES 10 SP1, and Broadcom iSCSI offload initiators is supported on SLES 10 SP1. Testing is concentrated on
i386 and x86_64 architectures, Red Hat EL5, and SUSE 10 SP1 distributions. Support added for SLES11U0 running 2.6.27
kernel.