Queues

• Each network device can be associated with a queuing discipline.

• Queues are identified with the help of a 32 bit handle X:Y where X represents major number and Y represents the minor number ( which is equal to zero for all queuing disciplines).

• The queue determines the way packets are enqueued for transmission on that device. E.g. FIFO.

• Operations permitted on queues (defined in include/net/pkt_sched.h)

  • Enqueue, Dequeue, Requeue, Drop, Init, Reset, Destroy,Dump

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