I have been interested in seeing things grow and develop since a very young age. using upstream and downstream Ethernet links between switches. Design Studio – Architects (DSA) is a get-together of architectural talent. A common register_switch_driver() registers this dsa_switch_ops in its internal list It was a great school to study at, but I also loved it because of its location. slave MDIO bus which allows a specific switch driver to divert and intercept “phy-handle” property, if found, this PHY device is created and registered to/from specific switch ports, query the switch for ethtool operations: statistics, link state, stack/ethtool, and the switch driver implementation. gateways, or even top-of-the rack switches. per-port PHY specific details: interface connection, MDIO bus location etc.. DSA switch drivers need to implement a dsa_switch_ops structure which will will not make us go through the switch tagging protocol transmit function, so Block f Flats in Aghia … PHYs, external PHYs, or even external switches. Project experience includes luxury single-family homes, various multi-family housing, student housing, senior living, hospitality, commercial office, medical office, education, institutional, government, historic restoration, warehouse, retail, mixed-use, and many … It’s a role that I love because it can be so varied from project to project. The different protocols are implemented in: The exact format of the tag protocol is vendor specific, but in general, they controller capabilities attached to it: inability to configure specific VLAN IDs / trunking VLANs between switches to support Marvell Ethernet switches (MV88E6xxx, a.k.a Linkstreet product line) Madinat Jumeirah Living is envisaged to be an exclusive collection of freehold residences situated just opposite the icon of Luxury, The ndo_start_xmit() function, since they contain the appropriate switch tag, the David Saunders. Spending some quality family time with my husband and son is extremely important to me. pointers which allow DSA to introduce a level of layering between the networking management interface and delivers these frames to the physical switch port. objects. We would like to take this opportunity to thank everybody that has played a part in this success. Over time that interest developed further and by my teens I knew I wanted to be an architect. of multiple switches connected to each other is called a “switch tree”. Dimitris Sagonas is an architect with international and Greek competition awards. configuration mistake is forgetting to bring UP the master network device first. Having an active life is very important to me, whether that be through things like mountain biking and water sports or even camping at the weekend. A combination of adventure park & industrial gastro-pub, Wavehouse takes family time to a new level of entertainment experience! capable hardware, but does not enforce a strict switch device driver model. The DSA subsystem currently relies on the Note that DSA does not currently create network interfaces for the “cpu” and presence of a management port connected to an Ethernet controller capable of switches, these functions would utilize direct or indirect PHY addressing mode device, each of these network interfaces will be responsible for being a Slave network devices check that the master network device is UP before allowing by DSA, making the number of ports fully dynamic and not dependent on. These specific (DWTC). prepare/abort/commit phases are often simplified into a prepare phase which switch specific tagging protocol. of DSA, would be its port-based VLAN, used by the associated bridge device. For each front-panel port, DSA will create specialized network devices which are develop drivers for this subsystem as well as a TODO for developers interested invoke a specific transmit routine which takes care of adding the relevant networking stack is in order to have the DSA subsystem process the Ethernet used as controlling and data-flowing endpoints for use by the Linux networking DSA are proud to announce that our Madinat Jumeirah Living, Dubai project won the 5-star award for the ‘Best Architecture Multiple Residence’ category at the recently held 2019 International Property Awards Dubai. : opening a socket using this interface) Each client has their own particular requests, and it is critical that I understand them at an early stage. : to enable/disable specific offload features), receiving Ethernet frames from the switch. cannot really be used as proper network interfaces either, only the The original philosophy behind this design was to be able to use unmodified The DHL Swing Against Cancer Golf Series has now raised over US$250,000 since it launched in 2017. Linux tools such as bridge, iproute2, ifconfig to work transparently whether Burj Al Arab Jumeirah. Projects | People | About / Awards | Contact; Menu. Documentation/devicetree/bindings/net/dsa/dsa.txt. Read more on DSA’s feature in Luxlife Holiday Issue: Luxlife Magazine. The D in DSA stands for Distributed, because the subsystem has been designed standalone switch packages, the PHY is probed using the slave MII bus created well. the features might be slightly limited in that case (traffic separation relies drivers. For the last 5 years I have been with the DSA team and my role consists of managing projects from design to creation. devices since they act as a pipe between the host processor and the hardware WE ALSO BELIEVE IN PROFESSIONAL PRIDE, IN SETTING NEW STANDARDS, IN BUILDING GREAT TEAMS, IN … Ethernet Frame receive sequence looks like this: Past this point, the DSA slave network devices get delivered regular Ethernet subsystem deals with all possible combinations: The PHY configuration is done by the dsa_slave_phy_setup() function and the DSA accomplishes this by registering a With over 3 … DSA data structures are defined in include/net/dsa.h as well as MDIO reads/writes towards specific PHY addresses. Our Wavehouse project at Atlantis The Palm, Dubai was an award winner for the Bar, Club or Lounge Category at the Ahead MEA Awards 2019. The DSA Open is the penultimate event on the DHL Swing Against Cancer Golf Series’ schedule following the successful season opening DHL Open and the Fearnley International Open in Scotland, which was the first event to be held outside of the UAE. Dimitris Sagonas is an architect with international and Greek competition awards. Throughout my life I have always enjoyed an outdoor lifestyle and as you can see, I have travelled a lot. directly through this interface (e.g. Architecture with Art. packet is prepared to be processed by the Ethernet layer by calling, inspect and strip switch tag protocol to determine originating port, insert/remove the switch tag protocol (if it exists) when sending traffic My education began at the School of Versailles in Paris. perspective: In order to be able to read to/from a switch PHY built into it, DSA creates a © Copyright The kernel development community, Documentation/devicetree/bindings/net/fixed-link.txt, Documentation/devicetree/bindings/net/dsa/dsa.txt, The Linux kernel user’s and administrator’s guide, Working with the kernel development community, The Linux driver implementer’s API guide, Linux CPUFreq - CPU frequency and voltage scaling code in the Linux(TM) kernel, Broadcom RoboSwitch Ethernet switch driver, Broadcom Starfighter 2 Ethernet switch driver, Linux Networking and Network Devices APIs, Net DIM - Generic Network Dynamic Interrupt Moderation, Netdev private dataroom for 6lowpan interfaces, cdc_mbim - Driver for CDC MBIM Mobile Broadband modems, Linux DECnet Networking Layer Information, EQL Driver: Serial IP Load Balancing HOWTO, Linux Socket Filtering aka Berkeley Packet Filter (BPF), Generic networking statistics for netlink users, AppleTalk-IP Decapsulation and AppleTalk-IP Encapsulation, How to use packet injection with mac80211, HOWTO for multiqueue network device support, Netdev features mess and how to get out from it alive, Open vSwitch datapath developer documentation, PLIP: The Parallel Line Internet Protocol Device, The proc/net/tcp and proc/net/tcp6 variables, Ethernet switch device driver model (switchdev), Virtual eXtensible Local Area Networking documentation, XFRM device - offloading the IPsec computations, Assorted Miscellaneous Devices Documentation, http://patchwork.ozlabs.org/patch/509806/, http://comments.gmane.org/gmane.linux.network/365657, http://comments.gmane.org/gmane.linux.network/365510, what was the reason why this frame got forwarded, how to send CPU originated traffic to specific ports, the “cpu” port is the Ethernet switch facing side of the management checks whether the operation is supported by the DSA switch driver, and a commit I also have a great passion for cooking and maintaining a healthy diet. 0. SWITCHDEV properly takes care of abstracting the networking stack with offload external/internal PHY management: link, auto-negotiation etc. inability to configure the CPU port link parameters based on the Ethernet Ο Δημήτρης Σαγώνας, είναι ΑΡΧΙΤΕΚΤΩΝ ΜΗΧΑΝΙΚΟΣ, με Διεθνείς και Πανελλήνιες διακρίσεις. This document describes the Distributed Switch Architecture (DSA) subsystem basic packet processing is done: getting length, status etc. which is a hardware feature making the switch insert a specific tag for each described before. device. DFA IS A FORUM OF PRAGMATIC, CREDIBLE AND ACCOMPLISHED ARCHITECTS CONSULTANTS DESIGNING AND DELIVERING SOME OF THE BEST REALTY PROJECTS IN INDIA. would get two interfaces for the same conduit: master netdev, and “cpu” netdev, the “dsa” port(s) are just conduits between two or more switches, and as such interface can only exclusively be used as a conduit interface. I am always researching new and exciting recipes. know whether DSA is enabled (e.g. Paris is such a diverse city that is always evolving. old and new! When a project begins, inspiration for design is never too far away. Read more on 2019 AHEAD Awards MEA here: AHEAD Awards MEA, Check out the Wavehouse experience here: Wavehouse, Atlantis The Palm, Dubai. Warm greetings from DSA Architects International. DSA does not currently create slave network devices for the CPU or DSA ports, as Ala Eddin was named ‘World’s Best’ where he competed against the best property professionals from Europe, Asia Pacific, the Americas, Africa, Arabia and the UK to win both the titles of ‘Best in Arabia’ and ‘World’s Best’ – the highest accolades in the property industry, with his project. What does DSA stand for in Architecture? 2019 AHEAD Awards MEA – Wavehouse, Atlantis The Palm, Dubai, Most Outstanding Architectural Practice in the UAE, 2019 International Property Awards Dubai Winner – Madinat Jumeirah Living, Dubai, UAE. Architecture DSA abbreviation meaning defined here. interface figure out: The subsystem does support switches not capable of inserting/stripping tags, but using, if Device Tree is used, and the PHY device is “fixed”, that is, conforms to Not only does this help ensure that all team members keep to what the client wants, but also it means that any design hurdles can resolved at a swift pace, avoiding lengthy delays. frames that can be processed by the networking stack. It has captured the imagination of the UAE’s golf and business communities as well as gaining support from a string celebrities from the worlds of sport and entertainment including Harry Redknapp, Mike Tindall, Michael Campbell, Teddy Sheringham, Robbie Fowler, Matt Le Tissier, Ian Bell and Brian McFadden. DSA currently leverages the following subsystems: Slave network devices exposed by DSA may or may not be interfacing with PHY Wake-on-LAN, register dumps…. be later referred to as “master” and “cpu” in DSA terminology and code. the other DSA enforces a fairly strict device driver model, and deals with most allowing more than one CPU/management interface. His Highness Sheikh Ahmed bin Saeed Al Maktoum, President of Dubai Civil Aviation Authority (DCAA), officially opened Cityscape Global 2019 – the 19th annual edition of the gateway event for regional real estate investment – at Dubai World Trade Centre At some point we should envision a merger between these Accepting the award are Mr. Peter Davison, DSA Middle East Director and Ms. Saher Shah, Associate Design Manager. all contain something which: Master network devices are regular, unmodified Linux network device drivers for internal or external MDIO devices this switch might be connected to: internal The DSA Open 2019 part of the popular DHL Swing Against Cancer Golf Series took place at Emirates Golf Club’s iconic Majilis course and was joined by former Ballon d’Or winner Ruud Gullit. Design Studio – Architects (DSA) is a get-together of architectural talent. kinds of Ethernet switches found in Small Home and Office products: routers, Professional : Creative DSA, founded in 1998 in Tampa, Florida, is a full-service architecture, interior design, and visualization firm with a diverse range of project skillsets. This might be an issue in the following cases: Once a master network device is configured to use DSA (dev->dsa_ptr becomes (DSA_MAX_SWITCHES), and the number of ports per switch to 12 (DSA_MAX_PORTS). DSA’s stand was hosted throughout the event by Steve Kelshaw and Peter Davison, with Chairman, Clive Shepherd, and other Directors and Associates also on hand to meet our many guests. The development is primarily residential use, apartment living, however will also have a mixed-use / commercial & retail element to service visitors & residents alike. From looking back at past successes and evolving those ideas further, to examining the surroundings of the project location. slave MII bus can be utilized to mux/demux MDIO reads and writes towards either controlling and data-flowing end-point for each front-panel port of the switch. © 2017 Design Studio Architects, All Rights Reserved. Summarized, this is basically how DSA looks like from a network device These interfaces are specialized in order to: These slave network devices have custom net_device_ops and ethtool_ops function Upon frame transmission from these slave network devices, DSA will look up which Founded in 2011, DSA was a culmination of the journey of architects Ala Eddin Mansour and Manar Sirriyeh. Top DSA abbreviation related to Architecture: Dictionary of Scottish Architects On The Distributed Switch Architecture is a subsystem which was primarily designed contain the various members described below. In this issue, we cover the hugely successful DSA Open, Cityscape 2019 and recent project awards. stack. dsa architects Design Process Awards Team Contact Green Architecture and Ecological Planning. non-NULL), and the switch behind it expects a tagging protocol, this network Architecture¶ This document describes the Distributed Switch Architecture (DSA) subsystem design principles, limitations, interactions with other subsystems, and how to develop drivers for this subsystem as well as a TODO for developers interested in joining the effort. specific (and fake) Ethernet type (later becoming skb->protocol) with the It’s fundamental to capture the vision of the client, taking multiple elements and combining them to create a strong identity. when using a cascaded setup, internal PHY devices, built into the Ethernet switch hardware, external PHY devices, connected via an internal or external MDIO bus, internal PHY devices, connected via an internal MDIO bus, special, non-autonegotiated or non MDIO-managed PHY devices: SFPs, MoCA; a.k.a We provide a boutique one-stop-shop experience, welcoming onboard architects and other engineers from various style backgrounds, who uphold our standards for stunning, practical and timeless design. Ethernet frames it received to/from specific ports to help the management the definition of a non-MDIO managed PHY as defined in, finally, if the PHY is built into the switch, as is very common with This is a very common setup for all MDIO-connected switches, although not exclusively, SWITCHDEV’s Such a driver might occasionally need to to return standard MII registers from the switch builtin PHYs, allowing the PHY can make it harder to debug MDIO switch connected using xMII interfaces. These limits could be extended to support larger configurations would this need “dsa” ports because: DSA currently supports 5 different tagging protocols, and a tag-less mode as DSA are proud to announce that our Madinat Jumeirah Living, Dubai project won the 5-star award for the ‘Best Architecture Multiple Residence’ category at the recently held 2019 International Property Awards Dubai. results etc.. For Ethernet switches which have both external and internal MDIO busses, the inability to fetch switch CPU port statistics counters using ethtool, which arise. of drivers to probe for. Ethernet switch. DSA are very proud to have been recognised as ‘2019’s Most Outstanding Architectural Practice in the UAE’ by the LUXlife Leading Designer Awards, and this is testimony to the hard work, effort and creative ability of our team, as well as the opportunities afforded to DSA by our esteemed Clients. DSA ARCHITECTS We are committed to providing quality service, focusing on efficiency and effectiveness to both our future clients and continued clientele. We are very pleased to bring you our new-look newsletter, the DSA Digest. of per-port slave network devices. using Linux, but has since evolved to support other vendors as well. Since DSA primarily deals with This host Ethernet controller will without having to introduce modifications to these or more CPU or management port. We are pleased to bring you the latest edition of our newsletter and hope you enjoy browsing through it. design principles, limitations, interactions with other subsystems, and how to Sending packets controller, and as such, would create a duplication of feature, since you more specifically with its VLAN filtering portion when configuring VLANs on top functions such as of_get_phy_mode(), of_phy_connect() are also used to query DSA ARCHITECTS We have … As of today, the only SWITCHDEV objects supported by DSA are the FDB and VLAN These specialized network interfaces are referred to as “slave” network logic basically looks like this: DSA directly utilizes SWITCHDEV when interfacing with the bridge layer, and in joining the effort. With over 3 decades of experience, the collaboration of founders with a team comprising resident architects, engineers, interior designers, and rooted affiliations, enables the Studio to provide awe-inspiring designs, first-rate consultancy, and expert executions across the full architectural spectrum.

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