[ovs-dev] [PATCHv18] netdev-afxdp: add new netdev type for AF_XDP.
u9012063 at gmail.com
Fri Jul 19 15:13:53 UTC 2019
On Fri, Jul 19, 2019 at 05:54:54PM +0300, Ilya Maximets wrote:
> On 18.07.2019 23:11, William Tu wrote:
> > The patch introduces experimental AF_XDP support for OVS netdev.
> > AF_XDP, the Address Family of the eXpress Data Path, is a new Linux socket
> > type built upon the eBPF and XDP technology. It is aims to have comparable
> > performance to DPDK but cooperate better with existing kernel's networking
> > stack. An AF_XDP socket receives and sends packets from an eBPF/XDP program
> > attached to the netdev, by-passing a couple of Linux kernel's subsystems
> > As a result, AF_XDP socket shows much better performance than AF_PACKET
> > For more details about AF_XDP, please see linux kernel's
> > Documentation/networking/af_xdp.rst. Note that by default, this feature is
> > not compiled in.
> > Signed-off-by: William Tu <u9012063 at gmail.com>
> Thanks, William, Eelco and Ben!
> I fixed couple of things and applied to master!
> List of changes:
> * Dropped config.h from headers.
> * Removed double increment of 'util_xalloc' coverage counter in xmalloc_size_align().
> * Fixed style of a couple of comments.
> * Renamed underscored functions from netdev-afxdp-pool.c to be more OVS-style.
> Ex.: __umem_elem_pop_n --> umem_elem_pop_n__
> Best regards, Ilya Maximets.
Thanks for your final review and fixes.
More information about the dev