On 5/30/2019 9:03 AM, Leon Romanovsky wrote:
On Wed, May 29, 2019 at 03:56:57PM +0000, Bernard Metzler wrote:
-----linux-rdma-owner@xxxxxxxxxxxxxxx wrote: -----
To: linux-rdma@xxxxxxxxxxxxxxx
From: "Bernard Metzler"
Sent by: linux-rdma-owner@xxxxxxxxxxxxxxx
Date: 05/26/2019 01:42PM
Cc: "Bernard Metzler" <bmt@xxxxxxxxxxxxxx>
Subject: [EXTERNAL] [PATCH for-next v1 00/12] SIW: Software iWarp
RDMA (siw) driver
This patch set contributes the SoftiWarp driver rebased for
Kernel 5.2-rc1. SoftiWarp (siw) implements the iWarp RDMA
protocol over kernel TCP sockets. The driver integrates with
the linux-rdma framework.
With this new driver version, the following things where
changed, compared to the v8 RFC of siw:
o Rebased to 5.2-rc1
o All IDR code got removed.
o Both MR and QP deallocation verbs now synchronously
free the resources referenced by the RDMA mid-layer.
o IPv6 support was added.
o For compatibility with Chelsio iWarp hardware, the RX
path was slightly reworked. It now allows packet intersection
between tagged and untagged RDMAP operations. While not
a defined behavior as of IETF RFC 5040/5041, some RDMA hardware
may intersect an ongoing outbound (large) tagged message, such
as an multisegment RDMA Read Response with sending an untagged
message, such as an RDMA Send frame. This behavior was only
detected in an NVMeF setup, where siw was used at target side,
and RDMA hardware at client side (during file write). siw now
implements two input paths for tagged and untagged messages each,
and allows the intersected placement of both messages.
o The siw kernel abi file got renamed from siw_user.h to siw-abi.h.
Many thanks for reviewing and testing the driver, especially to
Steve, Leon, Jason, Doug, Olga, Dennis, Gal. You all helped to
significantly improve the siw driver over the last year. It is
very much appreciated.
Many thanks!
Bernard.
Bernard Metzler (12):
iWarp wire packet format
SIW main include file
SIW network and RDMA core interface
SIW connection management
SIW application interface
SIW application buffer management
SIW queue pair methods
SIW transmit path
SIW receive path
SIW completion queue methods
SIW debugging
SIW addition to kernel build environment
MAINTAINERS | 7 +
drivers/infiniband/Kconfig | 1 +
drivers/infiniband/sw/Makefile | 1 +
drivers/infiniband/sw/siw/Kconfig | 17 +
drivers/infiniband/sw/siw/Makefile | 12 +
drivers/infiniband/sw/siw/iwarp.h | 380 ++++
drivers/infiniband/sw/siw/siw.h | 720 ++++++++
drivers/infiniband/sw/siw/siw_cm.c | 2109
++++++++++++++++++++++
drivers/infiniband/sw/siw/siw_cm.h | 133 ++
drivers/infiniband/sw/siw/siw_cq.c | 109 ++
drivers/infiniband/sw/siw/siw_debug.c | 102 ++
drivers/infiniband/sw/siw/siw_debug.h | 35 +
drivers/infiniband/sw/siw/siw_main.c | 701 +++++++
drivers/infiniband/sw/siw/siw_mem.c | 462 +++++
drivers/infiniband/sw/siw/siw_mem.h | 74 +
drivers/infiniband/sw/siw/siw_qp.c | 1345 ++++++++++++++
drivers/infiniband/sw/siw/siw_qp_rx.c | 1537 ++++++++++++++++
drivers/infiniband/sw/siw/siw_qp_tx.c | 1276 +++++++++++++
drivers/infiniband/sw/siw/siw_verbs.c | 1778 ++++++++++++++++++
drivers/infiniband/sw/siw/siw_verbs.h | 102 ++
include/uapi/rdma/rdma_user_ioctl_cmds.h | 1 +
include/uapi/rdma/siw-abi.h | 186 ++
22 files changed, 11088 insertions(+)
create mode 100644 drivers/infiniband/sw/siw/Kconfig
create mode 100644 drivers/infiniband/sw/siw/Makefile
create mode 100644 drivers/infiniband/sw/siw/iwarp.h
create mode 100644 drivers/infiniband/sw/siw/siw.h
create mode 100644 drivers/infiniband/sw/siw/siw_cm.c
create mode 100644 drivers/infiniband/sw/siw/siw_cm.h
create mode 100644 drivers/infiniband/sw/siw/siw_cq.c
create mode 100644 drivers/infiniband/sw/siw/siw_debug.c
create mode 100644 drivers/infiniband/sw/siw/siw_debug.h
create mode 100644 drivers/infiniband/sw/siw/siw_main.c
create mode 100644 drivers/infiniband/sw/siw/siw_mem.c
create mode 100644 drivers/infiniband/sw/siw/siw_mem.h
create mode 100644 drivers/infiniband/sw/siw/siw_qp.c
create mode 100644 drivers/infiniband/sw/siw/siw_qp_rx.c
create mode 100644 drivers/infiniband/sw/siw/siw_qp_tx.c
create mode 100644 drivers/infiniband/sw/siw/siw_verbs.c
create mode 100644 drivers/infiniband/sw/siw/siw_verbs.h
create mode 100644 include/uapi/rdma/siw-abi.h
--
2.17.2
Hi Jason, Leon, Steve, @all,
What's next for getting siw merged? Please help me to
keep the ball rolling. I am currently running out of
issues I shall fix (which is not a bad feeling though ;)).
I see lots of other demanding stuff is going on
these days...
Generally speaking, I think that it is ready to be merged.
If Jason/Doug doesn't merge this merge before next week,
I'll take an extra look and add my ROBs next week, but it is
definitely not a blocker for acceptance.
Agree. I think this looks pretty good.
-Denny
