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Björn Töpel 02b55e5657 xdp: add MEM_TYPE_ZERO_COPY
Here, a new type of allocator support is added to the XDP return
API. A zero-copy allocated xdp_buff cannot be converted to an
xdp_frame. Instead is the buff has to be copied. This is not supported
at all in this commit.

Also, an opaque "handle" is added to xdp_buff. This can be used as a
context for the zero-copy allocator implementation.

Signed-off-by: Björn Töpel <bjorn.topel@intel.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
2018-06-05 15:46:26 +02:00
arch bpf, arm32: fix inconsistent naming about emit_a32_lsr_{r64,i64} 2018-06-05 10:54:53 +02:00
block
certs
crypto
Documentation xsk: new descriptor addressing scheme 2018-06-04 17:21:02 +02:00
drivers tun: remove ndo_xdp_flush call tun_xdp_flush 2018-06-05 14:03:16 +02:00
firmware
fs
include xdp: add MEM_TYPE_ZERO_COPY 2018-06-05 15:46:26 +02:00
init
ipc
kernel bpf: guard bpf_get_current_cgroup_id() with CONFIG_CGROUPS 2018-06-04 21:52:26 +02:00
lib
LICENSES
mm
net xdp: add MEM_TYPE_ZERO_COPY 2018-06-05 15:46:26 +02:00
samples samples/bpf: minor *_nb_free performance fix 2018-06-04 17:21:02 +02:00
scripts
security
sound
tools tools/bpf: add a selftest for bpf_get_current_cgroup_id() helper 2018-06-03 18:22:41 -07:00
usr
virt
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS bpf, doc: add missing patchwork url and libbpf to maintainers 2018-06-03 07:46:57 -07:00
Makefile
README

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.
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.