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[204.195.96.226]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-73dbfa59165sm39653b3a.93.2025.04.17.09.34.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 17 Apr 2025 09:34:49 -0700 (PDT) Date: Thu, 17 Apr 2025 09:34:42 -0700 From: Stephen Hemminger To: longli@linuxonhyperv.com Cc: Wei Hu , dev@dpdk.org, Long Li Subject: Re: [patch v6 0/6] Support VMBUS channels without monitoring enabled Message-ID: <20250417093442.743b3daa@hermes.local> In-Reply-To: <1744837038-5387-1-git-send-email-longli@linuxonhyperv.com> References: <1744837038-5387-1-git-send-email-longli@linuxonhyperv.com> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org On Wed, 16 Apr 2025 13:57:12 -0700 longli@linuxonhyperv.com wrote: > From: Long Li > > Hyperv may expose VMBUS channels without monitoring enabled. In this case, > it programs almost all the data traffic to VF. > > This patchset enabled vmbus/netvsc to use channels without monitoring > enabled. > > This needs to change the APIs exposed by drivers/bus/vmbus. Because those > APIs are used only by NetVSC PMD and not feasible for use by a DPDK > application, all VMBUS APIs are set to deprecate in upcoming 25.11 release. > > The notice for deprecation is accepted in the following patch: > https://patchwork.dpdk.org/project/dpdk/patch/1742242184-19600-1-git-send-email-longli@linuxonhyperv.com/ > > Change log: > v3: Add in the comment on the VMBUS API deprecation notice > > Long Li (6): > net/netvsc: introduce private data for storing vmbus device for > secondary process > net/netvsc: introduce get_vmbus_device to get the vmbus device > bus/vmbus: store UIO fd for secondary process > bus/vmbus: support channels without monitoring enabled > bus/vmbus: add rte_vmbus_device to all functions accessing vmbus > bus/vmbus: set event for channel without monitoring support > > drivers/bus/vmbus/linux/vmbus_bus.c | 9 +++-- > drivers/bus/vmbus/linux/vmbus_uio.c | 6 ++-- > drivers/bus/vmbus/private.h | 2 +- > drivers/bus/vmbus/rte_bus_vmbus.h | 16 ++++++--- > drivers/bus/vmbus/vmbus_channel.c | 53 ++++++++++++++++++++-------- > drivers/bus/vmbus/vmbus_common_uio.c | 9 +++-- > drivers/net/netvsc/hn_ethdev.c | 44 ++++++++++++++++++----- > drivers/net/netvsc/hn_nvs.c | 33 ++++++++++++----- > drivers/net/netvsc/hn_nvs.h | 21 +++++++---- > drivers/net/netvsc/hn_rndis.c | 11 +++--- > drivers/net/netvsc/hn_rxtx.c | 16 ++++----- > 11 files changed, 153 insertions(+), 67 deletions(-) > Applied to next-net with some minor shortening of commit subjects to appease check-git-log.sh