From: Weihang Li <li.weihang93@gmail.com>
To: Cheng Xu <chengyou@linux.alibaba.com>, jgg@ziepe.ca, leon@kernel.org
Cc: linux-rdma@vger.kernel.org, KaiShen@linux.alibaba.com,
tonylu@linux.alibaba.com, BMT@zurich.ibm.com,
dan.carpenter@oracle.com
Subject: Re: [PATCH for-next v11 08/11] RDMA/erdma: Add connection management (CM) support
Date: Thu, 16 Jun 2022 14:04:33 +0800 [thread overview]
Message-ID: <5621b204-6aba-fa0d-c8e7-eb6bc9ea9ac4@gmail.com> (raw)
In-Reply-To: <0542ee13-35bd-cadd-a6f3-cb62e7a1040a@linux.alibaba.com>
On 2022/6/16 11:35, Cheng Xu wrote:
>
>
> On 6/16/22 10:59 AM, Weihang Li wrote:
>>
>
> <...>
>>
>> Hi, Cheng Xu
>>
>> After modify qp to RTS, is that means this TCP stream is offloaded
>> to the hardware, and the inbound TCP segments related to the TCP stream
>> will not be received in the kernel stack where this driver is running.
>> If yes, the ACK of mpa reply will never been revieced by the stack?
>
> Actually, this depends on our infrastructure. ERDMA collaborates with
> OVS module, which indeed decides the direction of packets. It makes sure
> that packet from VM will be sent to VM, and packet from RDMA will be
> sent to RDMA engine. So, the ACK from VM will always be sent to VM.
>
> Thanks,
> Cheng Xu
>
>
OK, thanks for your explanation :)
Weihang
next prev parent reply other threads:[~2022-06-16 6:04 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-06-15 1:52 [PATCH for-next v11 00/11] Elastic RDMA Adapter (ERDMA) driver Cheng Xu
2022-06-15 1:52 ` [PATCH for-next v11 01/11] RDMA: Add ERDMA to rdma_driver_id definition Cheng Xu
2022-06-15 1:52 ` [PATCH for-next v11 02/11] RDMA/erdma: Add the hardware related definitions Cheng Xu
2022-06-15 1:52 ` [PATCH for-next v11 03/11] RDMA/erdma: Add main include file Cheng Xu
2022-06-15 1:52 ` [PATCH for-next v11 04/11] RDMA/erdma: Add cmdq implementation Cheng Xu
2022-06-15 1:52 ` [PATCH for-next v11 05/11] RDMA/erdma: Add event queue implementation Cheng Xu
2022-06-15 1:52 ` [PATCH for-next v11 06/11] RDMA/erdma: Add verbs header file Cheng Xu
2022-06-15 1:52 ` [PATCH for-next v11 07/11] RDMA/erdma: Add verbs implementation Cheng Xu
2022-06-15 1:52 ` [PATCH for-next v11 08/11] RDMA/erdma: Add connection management (CM) support Cheng Xu
2022-06-16 2:59 ` Weihang Li
2022-06-16 3:35 ` Cheng Xu
2022-06-16 6:04 ` Weihang Li [this message]
2022-06-16 9:11 ` Stefan Metzmacher
2022-06-16 9:51 ` Cheng Xu
2022-06-15 1:52 ` [PATCH for-next v11 09/11] RDMA/erdma: Add the erdma module Cheng Xu
2022-06-15 1:52 ` [PATCH for-next v11 10/11] RDMA/erdma: Add the ABI definitions Cheng Xu
2022-06-15 1:52 ` [PATCH for-next v11 11/11] RDMA/erdma: Add driver to kernel build environment Cheng Xu
2022-06-24 19:17 ` [PATCH for-next v11 00/11] Elastic RDMA Adapter (ERDMA) driver Jason Gunthorpe
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