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rdma/siw: addition to kernel build environment

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Broken up commit to add the Soft iWarp RDMA driver.

Signed-off-by: Bernard Metzler <bmt@zurich.ibm.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
This commit is contained in:
Bernard Metzler 2019-06-20 18:21:33 +02:00 committed by Jason Gunthorpe
parent b0fff7317b
commit c0cf5bdde4
5 changed files with 37 additions and 0 deletions
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7
MAINTAINERS
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@ -14558,6 +14558,13 @@ M: Chris Boot <bootc@bootc.net>
S: Maintained
F: drivers/leds/leds-net48xx.c
SOFT-IWARP DRIVER (siw)
M: Bernard Metzler <bmt@zurich.ibm.com>
L: linux-rdma@vger.kernel.org
S: Supported
F: drivers/infiniband/sw/siw/
F: include/uapi/rdma/siw-abi.h
SOFT-ROCE DRIVER (rxe)
M: Moni Shoua <monis@mellanox.com>
L: linux-rdma@vger.kernel.org

1
drivers/infiniband/Kconfig
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@ -96,6 +96,7 @@ source "drivers/infiniband/hw/hfi1/Kconfig"
source "drivers/infiniband/hw/qedr/Kconfig"
source "drivers/infiniband/sw/rdmavt/Kconfig"
source "drivers/infiniband/sw/rxe/Kconfig"
source "drivers/infiniband/sw/siw/Kconfig"
endif
source "drivers/infiniband/ulp/ipoib/Kconfig"

1
drivers/infiniband/sw/Makefile
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@ -1,3 +1,4 @@
# SPDX-License-Identifier: GPL-2.0-only
obj-$(CONFIG_INFINIBAND_RDMAVT) += rdmavt/
obj-$(CONFIG_RDMA_RXE) += rxe/
obj-$(CONFIG_RDMA_SIW) += siw/

17
drivers/infiniband/sw/siw/Kconfig Normal file
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@ -0,0 +1,17 @@
config RDMA_SIW
tristate "Software RDMA over TCP/IP (iWARP) driver"
depends on INET && INFINIBAND && CRYPTO_CRC32
help
This driver implements the iWARP RDMA transport over
the Linux TCP/IP network stack. It enables a system with a
standard Ethernet adapter to interoperate with a iWARP
adapter or with another system running the SIW driver.
(See also RXE which is a similar software driver for RoCE.)
The driver interfaces with the Linux RDMA stack and
implements both a kernel and user space RDMA verbs API.
The user space verbs API requires a support
library named libsiw which is loaded by the generic user
space verbs API, libibverbs. To implement RDMA over
TCP/IP, the driver further interfaces with the Linux
in-kernel TCP socket layer.

11
drivers/infiniband/sw/siw/Makefile Normal file
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@ -0,0 +1,11 @@
obj-$(CONFIG_RDMA_SIW) += siw.o
siw-y := \
siw_cm.o \
siw_cq.o \
siw_main.o \
siw_mem.o \
siw_qp.o \
siw_qp_tx.o \
siw_qp_rx.o \
siw_verbs.o