On Fri, Jul 1, 2011 at 3:19 PM, <rpear...@systemfabricworks.com> wrote:
> +++ infiniband/drivers/infiniband/hw/rxe/Kconfig
> @@ -0,0 +1,26 @@
> +config INFINIBAND_RXE
> + tristate "Software RDMA driver"
> + depends on 64BIT && NET
> + ---help---
> + This is a driver for a software implementation of IBTA
> + RDMA transport.
> +
> + There are three kernel modules:
> +
> + ib_rxe - device independant transport driver.
> + ib_rxe_net - connects transport to the netdev stack
> + and runs on Ethernet devices. Follows the
> + RoCE protocol i.e. GRH and no LRH.
> + ib_rxe_sample - sample module that connects the transport
> + to itself as a loopback and follows the
> + InfiniBand protocol i.e. uses LRH. This
> + could be used as a start for other experimantal
> + software implementations of InfiniBand.
> +
> + Normal use is to load ib_rxe and ib_rxe_net after loading ib_core.
> + There is a script rxe_cfg that automates the configuration of rxe.
> +
> + This driver supports kernel and user space ULPs. For user space
> + verbs applications you must install librxe with libibverbs.
> +
> + If you don't know what to use this for, you don't need it.
Maybe it's a good idea to add more information in the above text about
RoCE and to change the above text such that people are invited to
learn more about RDMA ? As an example, this is how the PPPOL2TP
Kconfig entry looks like:
config PPPOL2TP
tristate "PPP over L2TP (EXPERIMENTAL)"
depends on EXPERIMENTAL && L2TP && PPP
help
Support for PPP-over-L2TP socket family. L2TP is a protocol
used by ISPs and enterprises to tunnel PPP traffic over UDP
tunnels. L2TP is replacing PPTP for VPN uses.
Bart.
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