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CONFIG_RDMA_RXE: Software RDMA over Ethernet (RoCE) driver

General informations

The Linux kernel configuration item CONFIG_RDMA_RXE:

Help text

This driver implements the InfiniBand RDMA transport over the Linux network stack. It enables a system with a standard Ethernet adapter to interoperate with a RoCE adapter or with another system running the RXE driver. Documentation on InfiniBand and RoCE can be downloaded at and (See also siw which is a similar software driver for iWARP.)

The driver is split into two layers, one interfaces with the Linux RDMA stack and implements a kernel or user space verbs API. The user space verbs API requires a support library named librxe which is loaded by the generic user space verbs API, libibverbs. The other layer interfaces with the Linux network stack at layer 3.

To configure and work with soft-RoCE driver please use the following wiki page under "configure Soft-RoCE (RXE)" section:



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