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[204.195.123.141]) by smtp.gmail.com with ESMTPSA id p20-20020a170902e35400b001db5079b705sm3498163plc.36.2024.02.28.08.33.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 28 Feb 2024 08:33:39 -0800 (PST) Date: Wed, 28 Feb 2024 08:33:37 -0800 From: Stephen Hemminger To: William Tu Cc: , , , , , Subject: Re: [PATCH RFC iproute2] devlink: Add eswitch attr option for shared descriptors Message-ID: <20240228083337.18bfc306@hermes.local> In-Reply-To: <20240228152548.16690-1-witu@nvidia.com> References: <20240228152548.16690-1-witu@nvidia.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit On Wed, 28 Feb 2024 17:25:48 +0200 William Tu wrote: > Add two eswitch attrs: shrdesc_mode and shrdesc_count. > shrdesc_mode: to enable a sharing memory buffer for > representor's rx buffer, and shrdesc_count: to control the > number of buffers in this shared memory pool. > > An example use case: > $ devlink dev eswitch show pci/0000:08:00.0 > pci/0000:08:00.0: mode legacy inline-mode none encap-mode basic \ > shrdesc-mode none shrdesc-count 0 > $ devlink dev eswitch set pci/0000:08:00.0 mode switchdev \ > shrdesc-mode basic shrdesc-count 1024 > $ devlink dev eswitch show pci/0000:08:00.0 > pci/0000:08:00.0: mode switchdev inline-mode none encap-mode basic \ > shrdesc-mode basic shrdesc-count 1024 > > Signed-off-by: William Tu This needs to target iproute2-next. Please update man page for devlink as well.