Dell Brocade 815 Brocade Adapters Installation and Reference Manual - Page 244

A Network driver parameters Linux Table 38 describes the instance-specific network configuration parameters available for Linux hosts. TABLE 38 Function Network driver configuration parameters Default Value Possible Values Method to Configure Notes Log Level 3 Interrupt On Moderation (Set for receive interrupts) 0 = EMERG 3 = Warning 6 = INFO 7 = DEBUG On Off Jumbo Packet Size 1500 1500-9000 bytes TCP-UDP Checksum Offload (instance-specific parameter) Enable TCP Segmentation Offload (TSO) (instance-specific parameter) Enable MSI-X (Message 1 Signaled Interrupts Extended) Locally NA Administered Address (MAC) Interrupt Coalescing1 60 rx-usecs 100 tx-usecs 32 tx-frames 6 rx-frames2 Legacy Ethernet NA pause Enable Disable Enable Disable 1 = Enable 0 = Disable Hexadecimal digits for MAC address. 1-1280 (8 bits) 0-1280 (8 bits) 0-256 (8 bits) 0-256 (8 bits) autoneg: off, on rx: off, on tx: off, on Module parameter (bnad_log_level) Linux log level ethtool -C command ifconfig command ethtool-K command (offload -K ethX) Reduces context switching and CPU utilization. When enabled, the hardware will not generate an interrupt immediately after it receives a packet, but waits for more packets or a time-out to expire Sets MTU size. Size must not be greater than size set on FCoE switch Enable or disable transmit and receive checksum offload. ethtool K command (ethtool -K ethX) Module parameter (bnad_msix) Parameter is only supported on 2.6 kernels that support MSI. ifconfig hw ether command Overrides the burned-in MAC address. ethtool -C command (coalescing ethX) ethtool -A command Flow control mechanism for Ethernet. 1. The default values are optimized for this feature and should only be modified by expert users with knowledge of how values change operation. 2. Modifying rx-frame values have no effect at this time as the inter-pkt mechanism is not enabled for the receive side. 216 Brocade Adapters Installation and Reference Manual 53-1002144-01