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Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.6.1 MIME-Version: 1.0 In-Reply-To: <20190329145728.72e5a07b@cakuba.netronome.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On 3/29/19 2:57 PM, Jakub Kicinski wrote: > On Fri, 29 Mar 2019 14:29:11 -0700, Florian Fainelli wrote: >>> Out of curiosity, what are the shared features? It seems mlx5 drives >>> a lot of our API design, it'd be good if the community had a better >>> understanding of it. >>> >>> The situation with pipelined devices is somewhat murky. Didn't Or add >>> some from of PCIe-side looped queue to forward between PFs? >>> >>> Presumably DSA would lean the opposite way with multiple ASICs >>> reporting the same ID? >> >> If you have multiple switches inter connected between each other to use >> the "D" in DSA and form a fabric of switches, then you would expect each >> port to be physically tied to a particular switch device/instance, >> because, but how they will report the switch physical ID can be of the form: >> >> . >> >> where fabric is dst->index and switch is ds->index (the switch within >> the fabric). > > Oh, I assumed you'd want the to all have the same switchid, and then > the "D" in DSA logic makes sure the flooding etc. works across the > ASICs.. That's a good point, they need to have the switch skb->fwd_offload_mark to work, so yes, that should be the fabric's index then. -- Florian