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Alexei Starovoitov 0d2ec5b51d Merge branch 'share-umem' 
Magnus Karlsson says:

====================
This patch set extends libbpf and the xdpsock sample program to
demonstrate the shared umem mode (XDP_SHARED_UMEM) as well as Rx-only
and Tx-only sockets. This in order for users to have an example to use
as a blue print and also so that these modes will be exercised more
frequently.

Note that the user needs to supply an XDP program with the
XDP_SHARED_UMEM mode that distributes the packets over the sockets
according to some policy. There is an example supplied with the
xdpsock program, but there is no default one in libbpf similarly to
when XDP_SHARED_UMEM is not used. The reason for this is that I felt
that supplying one that would work for all users in this mode is
futile. There are just tons of ways to distribute packets, so whatever
I come up with and build into libbpf would be wrong in most cases.

This patch has been applied against commit 30ee348c12 ("Merge branch 'bpf-libbpf-fixes'")

Structure of the patch set:

Patch 1: Adds shared umem support to libbpf
Patch 2: Shared umem support and example XPD program added to xdpsock sample
Patch 3: Adds Rx-only and Tx-only support to libbpf
Patch 4: Uses Rx-only sockets for rxdrop and Tx-only sockets for txpush in
         the xdpsock sample
Patch 5: Add documentation entries for these two features
====================

Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2019-11-10 19:30:51 -08:00
arch s390/bpf: Remove unused SEEN_RET0, SEEN_REG_AX and ret0_ip 2019-11-07 16:10:01 +01:00
block iocost: don't nest spin_lock_irq in ioc_weight_write() 2019-10-31 11:40:57 -06:00
certs PKCS#7: Refactor verify_pkcs7_signature() 2019-08-05 18:40:18 -04:00
crypto Merge branch 'next-lockdown' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security 2019-09-28 08:14:15 -07:00
Documentation xsk: Extend documentation for Rx|Tx-only sockets and shared umems 2019-11-10 19:30:46 -08:00
drivers mlx5-updates-2019-11-01 2019-11-03 19:23:49 -08:00
fs NFS Client Bugfixes for Linux 5.4-rc6 2019-11-01 17:37:44 -07:00
include Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next 2019-11-02 15:29:58 -07:00
init init: Support mounting root file systems over SMB 2019-10-02 12:15:15 -04:00
ipc ipc/sem.c: convert to use built-in RCU list checking 2019-09-25 17:51:41 -07:00
kernel bpf: Add array support to btf_struct_access 2019-11-07 10:59:08 -08:00
lib Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next 2019-11-02 15:29:58 -07:00
LICENSES LICENSES: Rename other to deprecated 2019-05-03 06:34:32 -06:00
mm uaccess: Add strict non-pagefault kernel-space read function 2019-11-02 12:39:12 -07:00
net net: icmp6: provide input address for traceroute6 2019-11-03 17:26:53 -08:00
samples samples/bpf: Use Rx-only and Tx-only sockets in xdpsock 2019-11-10 19:30:46 -08:00
scripts Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2019-11-02 13:54:56 -07:00
security Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2019-11-02 13:54:56 -07:00
sound ALSA: timer: Fix mutex deadlock at releasing card 2019-10-30 22:54:56 +01:00
tools libbpf: Allow for creating Rx or Tx only AF_XDP sockets 2019-11-10 19:30:46 -08:00
usr kbuild: update compile-test header list for v5.4-rc2 2019-10-05 15:29:49 +09:00
virt kvm: call kvm_arch_destroy_vm if vm creation fails 2019-10-31 12:13:16 +01:00
.clang-format clang-format: Update with the latest for_each macro list 2019-08-31 10:00:51 +02:00
.cocciconfig
.get_maintainer.ignore Opt out of scripts/get_maintainer.pl 2019-05-16 10:53:40 -07:00
.gitattributes .gitattributes: set git diff driver for C source code files 2016-10-07 18:46:30 -07:00
.gitignore Modules updates for v5.4 2019-09-22 10:34:46 -07:00
.mailmap A few MIPS fixes: 2019-10-26 19:43:12 -04:00
COPYING COPYING: use the new text with points to the license files 2018-03-23 12:41:45 -06:00
CREDITS MAINTAINERS: Remove Simon as Renesas SoC Co-Maintainer 2019-10-10 08:12:51 -07:00
Kbuild kbuild: do not descend to ./Kbuild when cleaning 2019-08-21 21:03:58 +09:00
Kconfig docs: kbuild: convert docs to ReST and rename to *.rst 2019-06-14 14:21:21 -06:00
MAINTAINERS Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2019-11-02 13:54:56 -07:00
Makefile Linux 5.4-rc5 2019-10-27 13:19:19 -04:00
README Drop all 00-INDEX files from Documentation/ 2018-09-09 15:08:58 -06:00

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.

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.