Changes between Version 6 and Version 7 of mnc_driver


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Timestamp:
Dec 5, 2016, 7:42:59 PM (8 years ago)
Author:
alain
Comment:

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  • mnc_driver

    v6 v7  
    1212It can exist only one Ethernet network controller in the architecture, but to improve the throughput, it supports up to 4 channels (i.e. 4 TX and 4 RX queues), indexed by a key depending on the source IP address for the RX packets, and depending on the destination IP address for the TX packets. All channels use the same source MAC address.
    1313
    14 The Ethernet packet length can have any value, from 64 to 1538 bytes.
     14The Ethernet packet length can have any value, from 60 to 1538 bytes.
    1515The data transfer unit between software and the NIC is a 4 Kbytes "container", containing an integer number of variable size packets. The max number of packets in a container is 66 packets.
    1616The first 34 words of a container are the container header :