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Thu, 15 Apr 2021 16:05:21 -0700 (PDT) Subject: Re: [PATCH 0/1] Add Host Transport Interface option (host-triface) To: Martin Belanger , linux-nvme@lists.infradead.org Cc: kbusch@kernel.org, axboe@fb.com, hch@lst.de, sagi@grimberg.me, Martin Belanger References: From: James Smart Message-ID: Date: Thu, 15 Apr 2021 16:05:20 -0700 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.9.1 MIME-Version: 1.0 In-Reply-To: Content-Language: en-US X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210415_160523_514501_919DEA56 X-CRM114-Status: GOOD ( 16.59 ) X-BeenThere: linux-nvme@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "Linux-nvme" Errors-To: linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org On 4/15/2021 12:28 PM, Martin Belanger wrote: > From: Martin Belanger > > In our application, we need a way to force TCP connections to go out a > specific interface instead of letting Linux select the interface based > on the routing tables. This patch adds the option 'host-triface' to allow > specifying the interface to use. Note that corresponding changes to the > nvme-cli utility will follow. > > Martin Belanger (1): > Add 'Transport Interface' (triface) option. This can be used to > specify the IP interface to use for the connection. The driver uses > that to set SO_BINDTODEVICE on the socket before connecting. > > drivers/nvme/host/core.c | 5 +++++ > drivers/nvme/host/fabrics.c | 14 +++++++++++++ > drivers/nvme/host/fabrics.h | 6 +++++- > drivers/nvme/host/tcp.c | 41 ++++++++++++++++++++++++++++++++++--- > 4 files changed, 62 insertions(+), 4 deletions(-) > This wasn't able to be done via HOST_TRADDR ? -- james _______________________________________________ Linux-nvme mailing list Linux-nvme@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-nvme