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