On 12/17/2018 9:14 AM, Tiago Lam wrote: > As of commit 364e08f2bbc0, DPDK allows an aplication to send and receive > raw packets using an AF_PACKET and PACKET_MMAP, when using a Linux > Kernel. This complements it by adding a simple guide with the following > information: > - An introduction, where a brief explanation of this driver is given, > pointing out the dependency on PACKET_MMAP; > - Which options are supported at configuration time, while setting up an > interface, and it's inherent limitations; > - What the prerequisites are; > - A command line example of how to set up a DPDK port using the > af_packet driver. > > Since there's a dependency in PACKET_MMAP, the guide also points to the > original Kernel documentation, so the reader can get more details. > > Signed-off-by: Tiago Lam <tiago....@intel.com>
Thanks Tiago, appreciated. > --- > doc/guides/nics/af_packet.rst | 67 > +++++++++++++++++++++++++++++++++++++++++++ index file (doc/guides/nics/index.rst) also needs to be updated to include new doc, I can update this while merging. <...> > +Options and inherent limitations > +-------------------------------- > + > +The following options can be provided to set up an af_packet port in DPDK. > +Some of these, in turn, will be used to configure the PAKET_MMAP settings. > + > +* "iface" - name of the Kernel interface to attach to (required); > +* "qpairs" - number of Rx and Tx queues (optional, default 1); > +* "qdisc_bypass" - set PACKET_QDISC_BYPASS option in AF_PACKET (optional, > + disabled by default); > +* "blocksz" - PACKET_MMAP block size (optional, default 4096); > +* "framesz" - PACKET_MMAP frame size (optional, default 2048B; Note: > multiple > + of 16B); > +* "framecnt" - PACKET_MMAP frame count (optional, default 512B). using `` instead of " highlights the text, I can update this while merging. Reviewed-by: Ferruh Yigit <ferruh.yi...@intel.com>
