[ewg] [PATCH RFC ofed-1.4] RDMA/CMA: Allocate PS_TCP ports from the host TCP port space

[Steve Wise]

Or Gerlitz wrote:
> Vladimir Sokolovsky wrote:
>> Steve Wise wrote:
>>> Tziporet & EWG members,
>>>
>>> iWARP customers including Sandia Labs have asked that we include 
>>> this in OFED distributions to correctly unify the
>>> host stack and iwarp stack TCP port space.
>>>
>>> I recommend we maintain this patch as part of the OFED distribution.
>>>
>>> I you agree, then we can pull this in as a patch file in 
>>> kernel_patches/fixes/ for ofed-1.4.
>>>
>>> Thanks,
>>>
>>> Steve.
>>>
>>> -----
>>>
>>> RDMA/CMA: Allocate PS_TCP ports from the host TCP port space
>>>
>>> This is needed for iwarp providers that support native and rdma
>>> connections over the same interface.
>>>
>>> Signed-off-by: Steve Wise <swise at opengridcomputing.com>
>>> ---
>>>
>>> drivers/infiniband/core/cma.c |   27 ++++++++++++++++++++++++++-
>>> 1 files changed, 26 insertions(+), 1 deletions(-)
>>>
>>
>> Added to the ofed_1_4/linux-2.6.git ofed_kernel as
>> kernel_patches/fixes/cma_0040_allocate_PS_TCP_ports.patch
>
> Vlad,
>
> This patch breaks iscsi targets that use the same port for iscsi/tcp 
> and iscsi/rdma over IB, please remove it.
>
> I asked Steve to send an updated version that opens the 
> socket-for-rdma-cm-id-behind-the-cover only for iWARP devices.
>
> Or.
>
I'll get this done today.

Sorry for the mix-up.

Steve.