On Tue, 8 Feb 2022 13:48:00 +0000 Ciara Loftus <ciara.lof...@intel.com> wrote:
> +- **Secondary Processes** > + > + Rx and Tx are not supported for secondary processes due to the > single-producer > + single-consumer nature of the AF_XDP rings. However other operations > including > + statistics retrieval are permitted. > + The maximum number of queues permitted for PMDs operating in this model is > 8 > + as this is the maximum number of fds that can be sent through the IPC APIs > as > + defined by RTE_MP_MAX_FD_NUM. > + This seems like a restriction that is true for most devices in DPDK. Most other devices also have restriction that on queues; the hardware descriptor ring can only be used by one thread at a time. Is this different with AF_XDP?
