[dpdk-dev] [PATCH 0/3] null driver improvements for testability

[Thomas Monjalon]

Hi Paul,

2016-01-29 16:18, Paul Atkins:
> This patchset adds functionality to the null driver help when testing
> a dataplane that uses dpdk.  The idea is that the the dataplane can
> have multiple null interfaces attached, and each of theses can be
> assigned a mac address. Packets can then be injected into the null
> drivers by adding them to a ring, giving the application complete
> control of the packets that arrive.  Packets that are sent by a null
> driver can be stored on a ring, where the application can pick them up
> and verify it is what was expected.  To allow the application to know
> when packets have been pulled of the rx ring, counters of the number of
> times an rx poll has been made are kept, and these can be retrieved via
> the existing APIs.

I have not read your code, just read this description.
It sounds like being a ring PMD. Have you already checked it?
http://dpdk.org/browse/dpdk/tree/drivers/net/ring/rte_eth_ring.c