-----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... Thanks very much! Bernard
