0GigEthr-02 (iexgbe) B.11.31.1403 Ethernet Driver Release Notes HP-UX 11i v3 Abstract This document contains specific information that is intended for users of this HP product.
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1 10GigEthr-02 overview The 10GigEthr-02 bundle contains the PCIe 10 Gigabit Ethernet iexgbe driver.
or LOM represents a single, wired connection to network hardware as follows: • In a Blade Virtual Connect environment, the NIC is configured in Flex-10 mode. Each port is logically divided into up to four individual network devices which share the total bandwidth of the network connection. For more information about HP Virtual Connect, see http://h18004.www1.hp.com/products/blades/ virtualconnect/index.html. • In other environments, the NIC is configured as a single network device per port.
• Multiple receive queues • Receive Side Scaling (RSS) with TCP and UDP • TCP segment reassembly in driver • Jumbo Frames • Multicast and Promiscuous mode • IPv6 • IEEE 802.
Firmware update completed Updated firmware will be active after a system reboot • Boot time reduced significantly for configurations requiring that multiple parameters be set (QXCR1001149267) The boot time configuration delay when multiple parameters are being set is now reduced significantly.
Table 1 10GigEthr-02 flow control and Jumbo Frames support matrix MTU Rx flow control Tx flow control 1500 (non-Flex-10 ports) ON/OFF ON/OFF Default setting during driver initialization before startup config parameters are applied will be: ON Default setting during driver initialization before startup configuration parameters are applied will be: ON 9000 (non-Flex-10 ports) OFF only. ON/OFF Default setting during driver NOTE: initialization before startup 1.
WARNING: For flex10 interface, the Tx flow control will be always on and the Rx flow control will be always off lan3 current values: New Transmit Flow Control = Off NOTE: The warning message incorrectly displays the Tx flow control state as Off when it should be On. This is a known issue (see “Known problems and limitations” (page 12)).
3 Problems fixed in this release The following defects were fixed in this release: Table 3 HP-UX 11i v3 March 2014 fixes — 10GigEthr-02 B.11.31.1403 SR number QXCR1001309103 Description IEXGBE: VPD (Serial Number) is not updated with olrad -R/-r After online replacement, nwmgr does not display the VPD information of the newly replaced card, but it continues to display the VPD of the old card.
Problems fixed in recent releases Table 4 HP-UX 11i v3 March 2014 fixes — 10GigEthr-02 B.11.31.1403.01 SR number QXCR1001328356 Description LRO may truncate/enlarge TCP frames causing TCP performance degradation. The software LRO algorithm may try to coalesce an additional packet which does not belong to the same TCP segment. This can causes packet discards. This is a rare scenario involving a specific traffic pattern having TCP timestamps and sacks options.
Table 7 HP-UX 11i v3 March 2013 fixes — 10GigEthr-02 B.11.31.1303.01 (continued) SR number Description • (QXCR1001268375) Speed mismatch error frequently recorded in syslog. The driver can present the following message in syslog during DLKM load/unload, boot, or other control path operations: internal_link_settings_status: 10G speed mismatch 0x300 • (QXCR1001268375) Ports for which the adapter reports the incorrect speed might occasionally cause APA formation to fail during startup.
Table 10 HP-UX 11i v3 May 2012 Fixes — 10GigEthr-02 B.11.31.1205 SR number Description QXCR1001209171 AVIO: High outbound discards on HPVM guest with iexgbe interface. TCP connections (such as rlogin and telnet) from a remote system to the guest do not work and the guest hangs intermittently. QXCR1001182096 When packets with an invalid LLC, IP or TCP header length are sent through the HPVM guest igssn interface, the iexgbe driver will drop such packets.
• Rx flow control must be disabled when Jumbo Frames are used. Due to limitations of the hardware supported by the iexgbe driver, Rx flow control must be disabled when Jumbo Frames (MTU value greater than 1500) are enabled. This limitation is enforced by the iexgbe driver. Therefore, if the current configuration has Rx flow control enabled while Jumbo Frames are used, the iexgbe driver will not honor changes made to flow control settings.
5.2 Hardware requirements This version of 10GigEthr-02 runs with the HP-UX 11i v3 (B.11.31) operating system on all HP Integrity server blades and rack mounted systems. For more information about supported server platforms, see the Ethernet Support Matrix at: http://www.hp.com/go/10-gigabit-ethernet-docs 5.3 Firmware requirements IMPORTANT: To ensure full functionality, you must install the latest adapter firmware and Extensible Firmware Interface (EFI) driver for your adapter.
