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Yangbo Lu d463126e23 net: sock: extend SO_TIMESTAMPING for PHC binding
Since PTP virtual clock support is added, there can be
several PTP virtual clocks based on one PTP physical
clock for timestamping.

This patch is to extend SO_TIMESTAMPING API to support
PHC (PTP Hardware Clock) binding by adding a new flag
SOF_TIMESTAMPING_BIND_PHC. When PTP virtual clocks are
in use, user space can configure to bind one for
timestamping, but PTP physical clock is not supported
and not needed to bind.

This patch is preparation for timestamp conversion from
raw timestamp to a specific PTP virtual clock time in
core net.

Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-07-01 13:08:18 -07:00
arch Networking changes for 5.14. 2021-06-30 15:51:09 -07:00
block for-5.14/drivers-2021-06-29 2021-06-30 12:21:16 -07:00
certs Kbuild updates for v5.13 (2nd) 2021-05-08 10:00:11 -07:00
crypto Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2021-06-28 16:04:56 -07:00
Documentation ethtool: add a new command for getting PHC virtual clocks 2021-07-01 13:08:18 -07:00
drivers ptp: add kernel API ptp_convert_timestamp() 2021-07-01 13:08:18 -07:00
fs Networking changes for 5.14. 2021-06-30 15:51:09 -07:00
include net: sock: extend SO_TIMESTAMPING for PHC binding 2021-07-01 13:08:18 -07:00
init Clang feature updates for v5.14-rc1 2021-06-30 14:33:25 -07:00
ipc Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace 2021-06-28 20:39:26 -07:00
kernel Networking changes for 5.14. 2021-06-30 15:51:09 -07:00
lib Merge branch 'akpm' (patches from Andrew) 2021-06-29 17:29:11 -07:00
LICENSES LICENSES: Add the CC-BY-4.0 license 2020-12-08 10:33:27 -07:00
mm for-5.14/block-2021-06-29 2021-06-30 12:12:56 -07:00
net net: sock: extend SO_TIMESTAMPING for PHC binding 2021-07-01 13:08:18 -07:00
samples Networking changes for 5.14. 2021-06-30 15:51:09 -07:00
scripts Merge branch 'akpm' (patches from Andrew) 2021-06-29 17:29:11 -07:00
security One very minor code cleanup change 2021-06-30 15:30:47 -07:00
sound spi: Updates for v5.14 2021-06-28 11:10:20 -07:00
tools Networking changes for 5.14. 2021-06-30 15:51:09 -07:00
usr .gitignore: prefix local generated files with a slash 2021-05-02 00:43:35 +09:00
virt Merge branch 'akpm' (patches from Andrew) 2021-06-29 17:29:11 -07:00
.clang-format clang-format: Update with the latest for_each macro list 2021-05-12 23:32:39 +02:00
.cocciconfig
.get_maintainer.ignore Opt out of scripts/get_maintainer.pl 2019-05-16 10:53:40 -07:00
.gitattributes .gitattributes: use 'dts' diff driver for dts files 2019-12-04 19:44:11 -08:00
.gitignore .gitignore: ignore only top-level modules.builtin 2021-05-02 00:43:35 +09:00
.mailmap m68k updates for v5.14 2021-06-28 14:01:03 -07:00
COPYING COPYING: state that all contributions really are covered by this file 2020-02-10 13:32:20 -08:00
CREDITS MAINTAINERS: move Murali Karicheri to credits 2021-04-29 15:47:30 -07:00
Kbuild kbuild: rename hostprogs-y/always to hostprogs/always-y 2020-02-04 01:53:07 +09:00
Kconfig kbuild: ensure full rebuild when the compiler is updated 2020-05-12 13:28:33 +09:00
MAINTAINERS Networking changes for 5.14. 2021-06-30 15:51:09 -07:00
Makefile arm64 updates for 5.14 2021-06-28 14:04:24 -07:00
README Drop all 00-INDEX files from Documentation/ 2018-09-09 15:08:58 -06:00

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.