Re: [PATCH for-next 0/9] Add RoCE v2 support

[Matan Barak <matanb-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>]

On 8/13/2015 7:03 PM, Matan Barak wrote:
> Hi Doug,
>
> This series adds the support for RoCE v2. In order to support RoCE v2,
> we add gid_type attribute to every GID. When the RoCE GID management
> populates the GID table, it duplicates each GID with all supported types.
> This gives the user the ability to communicate over each supported
> type.
>
> Patch 0001, 0002 and 0003 add support for multiple GID types to the
> cache and related APIs. The third patch exposes the GID attributes
> information is sysfs.
>
> Patch 0004 adds the RoCE v2 GID type and the capabilities required
> from the vendor in order to implement RoCE v2. These capabilities
> are grouped together as RDMA_CORE_PORT_IBA_ROCE_UDP_ENCAP.
>
> RoCE v2 could work at IPv4 and IPv6 networks. When receiving ib_wc, this
> information should come from the vendor's driver. In case the vendor
> doesn't supply this information, we parse the packet headers and resolve
> its network type. Patch 0005 adds this information and required utilities.
>
> Patches 0006 and 0007 add configfs support (and the required
> infrastructure) for CMA. The administrator should be able to set the
> default RoCE type. This is done through a new per-port
> default_roce_mode configfs file.
>
> Patch 0008 formats a QP1 packet in order to support RoCE v2 CM
> packets. This is required for vendors which implement their
> QP1 as a Raw QP.
>
> Patch 0009 adds support for IPv4 multicast as an IPv4 network
> requires IGMP to be sent in order to join multicast groups.
>
> Vendors code aren't part of this patch-set. Soft-Roce will be
> sent soon and depends on these patches. Other vendors, like
> mlx4, ocrdma and mlx5 will follow.
>
> This patch is applied on "Add RoCE GID cache usage in verbs/cma"
> which was sent to the mailing list.
>
> Thanks,
> Matan
>
> Matan Barak (6):
>    IB/core: Add gid_type to gid attribute
>    IB/cm: Use the source GID index type
>    IB/core: Add gid attributes to sysfs
>    IB/core: Add ROCE_UDP_ENCAP (RoCE V2) type
>    IB/rdma_cm: Add wrapper for cma reference count
>    IB/cma: Add configfs for rdma_cm
>
> Moni Shoua (2):
>    IB/core: Initialize UD header structure with IP and UDP headers
>    IB/cma: Join and leave multicast groups with IGMP
>
> Somnath Kotur (1):
>    IB/core: Add rdma_network_type to wc
>
>   drivers/infiniband/Kconfig                |   9 +
>   drivers/infiniband/core/Makefile          |   2 +
>   drivers/infiniband/core/addr.c            |  14 ++
>   drivers/infiniband/core/cache.c           | 152 +++++++++----
>   drivers/infiniband/core/cm.c              |  25 ++-
>   drivers/infiniband/core/cma.c             | 216 ++++++++++++++++--
>   drivers/infiniband/core/cma_configfs.c    | 353 ++++++++++++++++++++++++++++++
>   drivers/infiniband/core/core_priv.h       |  32 +++
>   drivers/infiniband/core/device.c          |   9 +-
>   drivers/infiniband/core/multicast.c       |  20 +-
>   drivers/infiniband/core/roce_gid_mgmt.c   |  61 +++++-
>   drivers/infiniband/core/sa_query.c        |   5 +-
>   drivers/infiniband/core/sysfs.c           | 184 +++++++++++++++-
>   drivers/infiniband/core/ud_header.c       | 155 ++++++++++++-
>   drivers/infiniband/core/uverbs_marshall.c |   1 +
>   drivers/infiniband/core/verbs.c           | 124 ++++++++++-
>   drivers/infiniband/hw/mlx4/qp.c           |   7 +-
>   drivers/infiniband/hw/mthca/mthca_qp.c    |   2 +-
>   include/rdma/ib_addr.h                    |   1 +
>   include/rdma/ib_cache.h                   |   4 +
>   include/rdma/ib_pack.h                    |  45 +++-
>   include/rdma/ib_sa.h                      |   4 +
>   include/rdma/ib_verbs.h                   |  78 ++++++-
>   23 files changed, 1399 insertions(+), 104 deletions(-)
>   create mode 100644 drivers/infiniband/core/cma_configfs.c
>

Hi,

I've rebased the patches against your k.o/for-4.4 tree. I've also added 
some fixes to bugs we found lately. I can re-spin the whole series if 
necessary (with the fixes squashed).

My git tree is available in:
https://github.com/matanb10/linux.git 		branch: rocev2-for-4.4

Thanks,
Matan
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