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Message-ID: <15d7f21d-c4b9-45e3-8608-4a7b929865f7@linux.alibaba.com>
Date: Tue, 20 Feb 2024 09:20:37 +0800
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Subject: Re: [PATCH net-next 03/15] net/smc: introduce virtual ISM device
 loopback-ism
To: Wenjia Zhang <wenjia@linux.ibm.com>, wintera@linux.ibm.com,
 hca@linux.ibm.com, gor@linux.ibm.com, agordeev@linux.ibm.com,
 davem@davemloft.net, edumazet@google.com, kuba@kernel.org,
 pabeni@redhat.com, jaka@linux.ibm.com, Gerd Bayer <gbayer@linux.ibm.com>
Cc: borntraeger@linux.ibm.com, svens@linux.ibm.com,
 alibuda@linux.alibaba.com, tonylu@linux.alibaba.com,
 linux-s390@vger.kernel.org, netdev@vger.kernel.org,
 linux-kernel@vger.kernel.org
References: <20240111120036.109903-1-guwen@linux.alibaba.com>
 <20240111120036.109903-4-guwen@linux.alibaba.com>
 <0be9c41b-19f9-437a-9a3a-8ed15cbbd155@linux.ibm.com>
From: Wen Gu <guwen@linux.alibaba.com>
In-Reply-To: <0be9c41b-19f9-437a-9a3a-8ed15cbbd155@linux.ibm.com>
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On 2024/2/16 22:11, Wenjia Zhang wrote:
> 
> 
> On 11.01.24 13:00, Wen Gu wrote:
>> This introduces a kind of virtual ISM device loopback-ism for SMCDv2.1.
>> loopback-ism is implemented by software and serves inter-process or
>> inter-container SMC communication in the same OS instance. It is created
>> during SMC module loading and destroyed upon unloading. The support for
>> loopback-ism can be configured via CONFIG_SMC_LO.
>>
>> Signed-off-by: Wen Gu <guwen@linux.alibaba.com>
>> ---
>>   net/smc/Kconfig        |  13 +++
>>   net/smc/Makefile       |   2 +-
>>   net/smc/af_smc.c       |  12 ++-
>>   net/smc/smc_loopback.c | 181 +++++++++++++++++++++++++++++++++++++++++
>>   net/smc/smc_loopback.h |  33 ++++++++
>>   5 files changed, 239 insertions(+), 2 deletions(-)
>>   create mode 100644 net/smc/smc_loopback.c
>>   create mode 100644 net/smc/smc_loopback.h
>>
>> diff --git a/net/smc/Kconfig b/net/smc/Kconfig
>> index 746be3996768..e191f78551f4 100644
>> --- a/net/smc/Kconfig
>> +++ b/net/smc/Kconfig
>> @@ -20,3 +20,16 @@ config SMC_DIAG
>>         smcss.
>>         if unsure, say Y.
>> +
>> +config SMC_LO
>> +    bool "SMC_LO: virtual ISM loopback-ism for SMC"
>> +    depends on SMC
>> +    default n
>> +    help
>> +      SMC_LO provides a kind of virtual ISM device called loopback-ism
> Don't forget to update "s/virtual/emulated/" later. ;-)
> 
> <...>

Yes, new version will change all virtual ISM to Emulated-ISM. Thank you.