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Fri, 16 Feb 2024 14:11:07 GMT Received: from smtpav04.wdc07v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 9DE7058045; Fri, 16 Feb 2024 14:11:04 +0000 (GMT) Received: from smtpav04.wdc07v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 3605C58069; Fri, 16 Feb 2024 14:11:01 +0000 (GMT) Received: from [9.171.40.55] (unknown [9.171.40.55]) by smtpav04.wdc07v.mail.ibm.com (Postfix) with ESMTP; Fri, 16 Feb 2024 14:11:00 +0000 (GMT) Message-ID: <0be9c41b-19f9-437a-9a3a-8ed15cbbd155@linux.ibm.com> Date: Fri, 16 Feb 2024 15:11:00 +0100 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird From: Wenjia Zhang Subject: Re: [PATCH net-next 03/15] net/smc: introduce virtual ISM device loopback-ism To: Wen Gu , 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 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> Content-Language: en-GB In-Reply-To: <20240111120036.109903-4-guwen@linux.alibaba.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: vnw048yDMNPGQbBmJ_RanSxABMRM0wBY X-Proofpoint-GUID: Uq9Yw-bVdQ-ATQV7Uh6LO2Z-VrtkYZ1K X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.1011,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2024-02-16_11,2024-02-16_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 clxscore=1015 spamscore=0 priorityscore=1501 lowpriorityscore=0 phishscore=0 adultscore=0 bulkscore=0 mlxscore=0 suspectscore=0 mlxlogscore=999 impostorscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2311290000 definitions=main-2402160112 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 > --- > 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. ;-) <...>