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The internal architecture:

Receiving path:

Packets from DIF are built in dif_port → rx_manager module. The ASIC packet from DIF has in principle 2.5 kB, but the DIF sends those packets cut into 100bytes. Those small packets are merged into a single packet in the BRAM and information about the packet is sent to a rx_queue. The rx_queue concentrates information about all packets from all ports: the length of the packets, where in the BRAM the packet actually is and other information.

mem_man_axis → mem_man_axis_rx is collecting the packets from the BRAMS of all HDMI ports (dif_ports), adds a header (Packets#Header)

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