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This patch adds the initial XDP support to Freescale driver. It supports
XDP_PASS, XDP_DROP and XDP_REDIRECT actions. Upcoming patches will add
support for XDP_TX and Zero Copy features.
As the patch is rather large, the part of codes to collect the
statistics is separated and will prepare a dedicated patch for that
part.
I just tested with the application of xdpsock.
-- Native here means running command of "xdpsock -i eth0"
-- SKB-Mode means running command of "xdpsock -S -i eth0"
The following are the testing result relating to XDP mode:
root@imx8qxpc0mek:~/bpf# ./xdpsock -i eth0
sock0@eth0:0 rxdrop xdp-drv
pps pkts 1.00
rx 371347 2717794
tx 0 0
root@imx8qxpc0mek:~/bpf# ./xdpsock -S -i eth0
sock0@eth0:0 rxdrop xdp-skb
pps pkts 1.00
rx 202229 404528
tx 0 0
root@imx8qxpc0mek:~/bpf# ./xdp2 eth0
proto 0: 496708 pkt/s
proto 0: 505469 pkt/s
proto 0: 505283 pkt/s
proto 0: 505443 pkt/s
proto 0: 505465 pkt/s
root@imx8qxpc0mek:~/bpf# ./xdp2 -S eth0
proto 0: 0 pkt/s
proto 17: 118778 pkt/s
proto 17: 118989 pkt/s
proto 0: 1 pkt/s
proto 17: 118987 pkt/s
proto 0: 0 pkt/s
proto 17: 118943 pkt/s
proto 17: 118976 pkt/s
proto 0: 1 pkt/s
proto 17: 119006 pkt/s
proto 0: 0 pkt/s
proto 17: 119071 pkt/s
proto 17: 119092 pkt/s
Signed-off-by: Shenwei Wang <shenwei.wang@nxp.com>
Reported-by: kernel test robot <lkp@intel.com>
Link: https://lore.kernel.org/r/20221031185350.2045675-1-shenwei.wang@nxp.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.