On Wed, Jan 30, 2019 at 06:21:36PM +0100, bmt@xxxxxxxxxxxxxx wrote: > From: Bernard Metzler <bmt@xxxxxxxxxxxxxx> > > Signed-off-by: Bernard Metzler <bmt@xxxxxxxxxxxxxx> > drivers/infiniband/Kconfig | 1 + > drivers/infiniband/sw/Makefile | 1 + > drivers/infiniband/sw/siw/Kconfig | 17 +++++++++++++++++ > drivers/infiniband/sw/siw/Makefile | 15 +++++++++++++++ > 4 files changed, 34 insertions(+) > create mode 100644 drivers/infiniband/sw/siw/Kconfig > create mode 100644 drivers/infiniband/sw/siw/Makefile > > diff --git a/drivers/infiniband/Kconfig b/drivers/infiniband/Kconfig > index a1fb840de45d..6d160aac26df 100644 > +++ b/drivers/infiniband/Kconfig > @@ -107,6 +107,7 @@ 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" > diff --git a/drivers/infiniband/sw/Makefile b/drivers/infiniband/sw/Makefile > index 8b095b27db87..d37610fcbbc7 100644 > +++ b/drivers/infiniband/sw/Makefile > @@ -1,2 +1,3 @@ > obj-$(CONFIG_INFINIBAND_RDMAVT) += rdmavt/ > obj-$(CONFIG_RDMA_RXE) += rxe/ > +obj-$(CONFIG_RDMA_SIW) += siw/ > diff --git a/drivers/infiniband/sw/siw/Kconfig b/drivers/infiniband/sw/siw/Kconfig > new file mode 100644 > index 000000000000..f4f0210256bd > +++ b/drivers/infiniband/sw/siw/Kconfig > @@ -0,0 +1,17 @@ > +config RDMA_SIW > + tristate "Software RDMA over TCP/IP (iWARP) driver" > + depends on INET && INFINIBAND && CRYPTO_CRC32 > + ---help--- > + This driver implements the iWARP RDMA transport over > + the Linux TCP/IP network stack. It enables a system with a > + standard Ethernet adapter to interoperate with a iWARP > + adapter or with another system running the SIW driver. > + (See also RXE which is a similar software driver for RoCE.) > + > + The driver interfaces with the Linux RDMA stack and > + implements both a kernel and user space RDMA verbs API. > + The user space verbs API requires a support > + library named libsiw which is loaded by the generic user > + space verbs API, libibverbs. To implement RDMA over > + TCP/IP, the driver further interfaces with the Linux > + in-kernel TCP socket layer. > diff --git a/drivers/infiniband/sw/siw/Makefile b/drivers/infiniband/sw/siw/Makefile > new file mode 100644 > index 000000000000..20f31c9e827b > +++ b/drivers/infiniband/sw/siw/Makefile > @@ -0,0 +1,15 @@ > +obj-$(CONFIG_RDMA_SIW) += siw.o > + > +siw-y := \ > + siw_main.o \ > + siw_cm.o \ > + siw_verbs.o \ > + siw_obj.o \ > + siw_qp.o \ > + siw_qp_tx.o \ > + siw_qp_rx.o \ > + siw_cq.o \ > + siw_cm.o \ > + siw_debug.o \ > + siw_ae.o \ > + siw_mem.o keep sorted
