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Wed, 27 May 2020 12:14:25 -0700 (PDT) Received: from jgg by mlx.ziepe.ca with local (Exim 4.90_1) (envelope-from ) id 1je1VQ-0005Pm-Hp; Wed, 27 May 2020 16:14:24 -0300 Date: Wed, 27 May 2020 16:14:24 -0300 From: Jason Gunthorpe To: Leon Romanovsky Subject: Re: [PATCH rdma-next v3 0/6] Add Enhanced Connection Established (ECE) Message-ID: <20200527191424.GA20778@ziepe.ca> References: <20200526103304.196371-1-leon@kernel.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20200526103304.196371-1-leon@kernel.org> User-Agent: Mutt/1.9.4 (2018-02-28) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200527_121430_563160_ED9E57F7 X-CRM114-Status: GOOD ( 14.39 ) X-BeenThere: linux-nvme@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: rds-devel@oss.oracle.com, Bart Van Assche , Chaitanya Kulkarni , linux-rdma@vger.kernel.org, netdev@vger.kernel.org, Santosh Shilimkar , linux-kernel@vger.kernel.org, linux-nvme@lists.infradead.org, "David S. Miller" , Leon Romanovsky , Doug Ledford , target-devel@vger.kernel.org, Danil Kipnis , Jakub Kicinski , Jack Wang , Christoph Hellwig , Sagi Grimberg Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-nvme" Errors-To: linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org On Tue, May 26, 2020 at 01:32:58PM +0300, Leon Romanovsky wrote: > From: Leon Romanovsky > > Changelog: > v3: > * Rebased on top of ebd6e96b33a2 RDMA/ipoib: Remove can_sleep parameter from iboib_mcast_alloc > * Updated rdma_reject patch to include newly added RTR ulp > * Remove empty hunks added by rebase > * Changed signature of rdma_reject so kernel users will provide reason by themselves > * Squashed UAPI patch to other patches which add functionality > * Removed define of the IBTA reason from UAPI > v2: https://lore.kernel.org/linux-rdma/20200413141538.935574-1-leon@kernel.org/ > * Rebased on latest rdma-next and removed already accepted patches. > * Updated all rdma_reject in-kernel users to provide reject reason. > v1: Dropped field_avail patch in favor of mass conversion to use function > which already exists in the kernel code. > https://lore.kernel.org/lkml/20200310091438.248429-1-leon@kernel.org > v0: https://lore.kernel.org/lkml/20200305150105.207959-1-leon@kernel.org > > Enhanced Connection Established or ECE is new negotiation scheme > introduced in IBTA v1.4 to exchange extra information about nodes > capabilities and later negotiate them at the connection establishment > phase. > > The RDMA-CM messages (REQ, REP, SIDR_REQ and SIDR_REP) were extended > to carry two fields, one new and another gained new functionality: > * VendorID is a new field that indicates that common subset of vendor > option bits are supported as indicated by that VendorID. > * AttributeModifier already exists, but overloaded to indicate which > vendor options are supported by this VendorID. > > This is kernel part of such functionality which is responsible to get data > from librdmacm and properly create and handle RDMA-CM messages. > > Thanks > > Leon Romanovsky (6): > RDMA/cm: Add Enhanced Connection Establishment (ECE) bits > RDMA/ucma: Extend ucma_connect to receive ECE parameters > RDMA/ucma: Deliver ECE parameters through UCMA events > RDMA/cm: Send and receive ECE parameter over the wire > RDMA/cma: Connect ECE to rdma_accept > RDMA/cma: Provide ECE reject reason Applied to for-next, thanks Jason _______________________________________________ linux-nvme mailing list linux-nvme@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-nvme