config INFINIBAND_HFI1 tristate "Intel OPA Gen1 support" depends on X86_64 default m ---help--- This is a low-level driver for Intel OPA Gen1 adapter. config HFI1_DEBUG_SDMA_ORDER bool "HFI1 SDMA Order debug" depends on INFINIBAND_HFI1 default n ---help--- This is a debug flag to test for out of order sdma completions for unit testing config HFI1_VERBS_31BIT_PSN bool "HFI1 enable 31 bit PSN" depends on INFINIBAND_HFI1 default y ---help--- Setting this enables 31 BIT PSN For verbs RC/UC config SDMA_VERBOSITY bool "Config SDMA Verbosity" depends on INFINIBAND_HFI1 default n ---help--- This is a configuration flag to enable verbose SDMA debug config PRESCAN_RXQ bool "Enable prescanning of the RX queue for ECNs" depends on INFINIBAND_HFI1 default n ---help--- This option toggles the prescanning of the receive queue for Explicit Congestion Notifications. If an ECN is detected, it is processed as quickly as possible, the ECN is toggled off. After the prescanning step, the receive queue is processed as usual.