[dpdk-dev] [RFC] librte_pmd_packet: add PMD for AF_PACKET-based virtual devices
Chris Wright
chrisw at redhat.com
Fri Jun 6 21:47:48 CEST 2014
* John W. Linville (linville at tuxdriver.com) wrote:
> This is a Linux-specific virtual PMD driver backed by an AF_PACKET
> socket. The current implementation uses mmap'ed ring buffers to
> limit copying and user/kernel transitions. The intent is also to take
> advantage of fanout and any future AF_PACKET optimizations as well.
>
> This is intended to provide a means for using DPDK on a broad range
> of hardware without hardware-specifi PMDs and hopefully with better
> performance than what PCAP offers in Linux. This might be useful
> as a development platform for DPDK applications when DPDK-supported
> hardware is expensive or unavailable.
Nice, have you compared yet w/ PCAP numbers?
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