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In this slide, I will introduce what is switchdev and what problem it wants to solve. To this day, most of the hardware switch's application-specific integrated circuit (ASIC) only be controlled by the vendor's proprietary binary (SDK) and it's inconvenient for system administrator/developer. In order to break the chip vendor's lock-in situation, the switchdev had been designed to solve this. With the help of switchdev, we can develop a general solution for hardware switch chips and break the connection with vendor's binary-blob (SDK).
In order words. Linux kernel can directly communicate with the vendor's proprietary ASIC now, and the software programmer/system administrator can easily control that ASIC to provide more flexible, powerful and programmable network function.