Mintz, Yuval be47c55557 qede: Split PF/VF ndos.
PFs and VFs share the same structure of NDOs today,
and the VFs explicitly fails the ndo_xdp() callback stating
it doesn't support XDP.

This results in lots of:

  [qede_xdp:1032(enp131s2)]VFs don't support XDP
  ------------[ cut here ]------------
  WARNING: CPU: 4 PID: 1426 at net/core/rtnetlink.c:1637 rtnl_dump_ifinfo+0x354/0x3c0
  ...
  Call Trace:
    ? __alloc_skb+0x9b/0x1d0
    netlink_dump+0x122/0x290
    netlink_recvmsg+0x27d/0x430
    sock_recvmsg+0x3d/0x50
  ...

As every dump request for the VF interface info would fail due to
rtnl_xdp_fill() returning an error code.

To resolve this, introduce a subset of the NDOs meant for the VF
in a seperate structure and register that one instead for VFs,
and omit the ndo_xdp initialization.

Fixes: 40b8c45492 ("qede: Prevent VFs from using XDP")
Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-05-09 11:24:22 -04:00
2017-05-09 11:24:22 -04:00
2016-05-23 17:04:14 -07:00

Linux kernel
============

This file was moved to Documentation/admin-guide/README.rst

Please notice that there are several guides for kernel developers and users.
These guides can be rendered in a number of formats, like HTML and PDF.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
See Documentation/00-INDEX for a list of what is contained in each file.

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.
S
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