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The variable is used only once and is read-only. Make it a const local
variable.
Signed-off-by: Matthias Schiffer <mschiffer@universe-factory.net>
Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
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This version will contain all the (major or even only minor) changes for
Linux 6.16.
The version number isn't a semantic version number with major and minor
information. It is just encoding the year of the expected publishing as
Linux -rc1 and the number of published versions this year (starting at 0).
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
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The aggregation code duplicates code which already exists in the the bitops
and bitmap helper. By switching to the bitmap helpers, operating on larger
aggregations becomes possible without touching the different portions of
the code which read/modify direct_link_flags.
Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
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The currently selected size in BATADV_MAX_AGGREGATION_BYTES (512) is chosen
such that the number of possible aggregated packets is lower than 32. This
number must be limited so that the type of
batadv_forw_packet->direct_link_flags has enough bits to represent each
packet (with the size of at least 24 bytes).
This requirement is better implemented in code instead of having it inside
a comment.
Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
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The way how the virtual interface is called inside the batman-adv source
code is not consistent. The genl headers call it meshif and the rest of the
code calls is (mostly) softif.
The genl definitions cannot be touched because they are part of the UAPI.
But the rest of the batman-adv code can be touched to have a consistent
name again.
The bulk of the renaming was done using
sed -i -e 's/soft\(-\|\_\| \|\)i\([nf]\)/mesh\1i\2/g' \
-e 's/SOFT\(-\|\_\| \|\)I\([NF]\)/MESH\1I\2/g'
and then it was adjusted slightly when proofreading the changes.
Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
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Since batman-adv is not actually depending on hardware capabilities, it has
no limit on the MTU. Only the lower hard interfaces can limit it. In case
these have an high enough MTU or fragmentation is enabled, a higher MTU
than 1500 can be enabled.
Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
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This version will contain all the (major or even only minor) changes for
Linux 6.15.
The version number isn't a semantic version number with major and minor
information. It is just encoding the year of the expected publishing as
Linux -rc1 and the number of published versions this year (starting at 0).
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
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Signed-off-by: Marek Lindner <marek.lindner@mailbox.org>
Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
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This version will contain all the (major or even only minor) changes for
Linux 6.14.
The version number isn't a semantic version number with major and minor
information. It is just encoding the year of the expected publishing as
Linux -rc1 and the number of published versions this year (starting at 0).
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
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This version will contain all the (major or even only minor) changes for
Linux 6.13.
The version number isn't a semantic version number with major and minor
information. It is just encoding the year of the expected publishing as
Linux -rc1 and the number of published versions this year (starting at 0).
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
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This version will contain all the (major or even only minor) changes for
Linux 6.10.
The version number isn't a semantic version number with major and minor
information. It is just encoding the year of the expected publishing as
Linux -rc1 and the number of published versions this year (starting at 0).
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
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This version will contain all the (major or even only minor) changes for
Linux 6.9.
The version number isn't a semantic version number with major and minor
information. It is just encoding the year of the expected publishing as
Linux -rc1 and the number of published versions this year (starting at 0).
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
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This version will contain all the (major or even only minor) changes for
Linux 6.8.
The version number isn't a semantic version number with major and minor
information. It is just encoding the year of the expected publishing as
Linux -rc1 and the number of published versions this year (starting at 0).
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
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This version will contain all the (major or even only minor) changes for
Linux 6.6.
The version number isn't a semantic version number with major and minor
information. It is just encoding the year of the expected publishing as
Linux -rc1 and the number of published versions this year (starting at 0).
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
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This version will contain all the (major or even only minor) changes for
Linux 6.3.
The version number isn't a semantic version number with major and minor
information. It is just encoding the year of the expected publishing as
Linux -rc1 and the number of published versions this year (starting at 0).
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
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This version will contain all the (major or even only minor) changes for
Linux 6.1.
The version number isn't a semantic version number with major and minor
information. It is just encoding the year of the expected publishing as
Linux -rc1 and the number of published versions this year (starting at 0).
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
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This version will contain all the (major or even only minor) changes for
Linux 5.19.
The version number isn't a semantic version number with major and minor
information. It is just encoding the year of the expected publishing as
Linux -rc1 and the number of published versions this year (starting at 0).
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
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This version will contain all the (major or even only minor) changes for
Linux 5.18.
The version number isn't a semantic version number with major and minor
information. It is just encoding the year of the expected publishing as
Linux -rc1 and the number of published versions this year (starting at 0).
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
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This version will contain all the (major or even only minor) changes for
Linux 5.17.
The version number isn't a semantic version number with major and minor
information. It is just encoding the year of the expected publishing as
Linux -rc1 and the number of published versions this year (starting at 0).
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
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This version will contain all the (major or even only minor) changes for
Linux 5.15.
The version number isn't a semantic version number with major and minor
information. It is just encoding the year of the expected publishing as
Linux -rc1 and the number of published versions this year (starting at 0).
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
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Currently we schedule a broadcast packet like:
3x: [ [(re-)queue] --> for(hard-if): maybe-transmit ]
The intention of queueing a broadcast packet multiple times is to
increase robustness for wireless interfaces. However on interfaces
which we only broadcast on once the queueing induces an unnecessary
penalty. This patch restructures the queueing to be performed on a per
interface basis:
for(hard-if):
- transmit
- if wireless: [queue] --> transmit --> [requeue] --> transmit
Next to the performance benefits on non-wireless interfaces this
should also make it easier to apply alternative strategies for
transmissions on wireless interfaces in the future (for instance sending
via unicast transmissions on wireless interfaces, without queueing in
batman-adv, if appropriate).
Signed-off-by: Linus Lüssing <linus.luessing@c0d3.blue>
Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
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This version will contain all the (major or even only minor) changes for
Linux 5.14.
The version number isn't a semantic version number with major and minor
information. It is just encoding the year of the expected publishing as
Linux -rc1 and the number of published versions this year (starting at 0).
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
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The batman-adv source code was using the year of publication (to net-next)
as "last" year for the copyright statement. The whole source code mentioned
in the MAINTAINERS "BATMAN ADVANCED" section was handled as a single entity
regarding the publishing year.
This avoided having outdated (in sense of year information - not copyright
holder) publishing information inside several files. But since the simple
"update copyright year" commit (without other changes) in the file was not
well received in the upstream kernel, the option to not have a copyright
year (for initial and last publication) in the files are chosen instead.
More detailed information about the years can still be retrieved from the
SCM system.
Signed-off-by: Sven Eckelmann <sven@narfation.org>
Acked-by: Marek Lindner <mareklindner@neomailbox.ch>
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
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This version will contain all the (major or even only minor) changes for
Linux 5.12.
The version number isn't a semantic version number with major and minor
information. It is just encoding the year of the expected publishing as
Linux -rc1 and the number of published versions this year (starting at 0).
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
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The debugfs support in batman-adv was marked as deprecated by the commit
00caf6a2b318 ("batman-adv: Mark debugfs functionality as deprecated") and
scheduled for removal in 2021.
Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
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Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
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Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
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Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
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Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
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Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
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Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
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Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
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Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
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Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
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Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
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While it can be slightly beneficial for the build performance to use
forward declarations instead of includes, the handling of them together
with changes in the included headers makes it unnecessary complicated and
fragile. Just replace them with actual includes since some parts (hwmon,
..) of the kernel even request avoidance of forward declarations and net/
is mostly not using them in *.c file.
Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
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main.h is using atomic_add_unless and log.h atomic_read. The main
header linux/atomic.h should be included for these files.
Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
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Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
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Simon Wunderlich says:
====================
This feature/cleanup patchset includes the following patches:
- bump version strings, by Simon Wunderlich (we forgot to include
this patch previously ...)
- fix multicast tt/tvlv worker locking, by Linus Lüssing
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
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The sysfs files will be marked as deprecated in the near future. They are
already replaced by the batadv generic netlink family. Add an Kconfig
option to disable the sysfs support for users who want to test their tools
or want to safe some space. This setting should currently still be enabled
by default to keep backward compatible with legacy tools.
Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
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All files got a SPDX-License-Identifier with commit 7db7d9f369a4
("batman-adv: Add SPDX license identifier above copyright header"). All the
required information about the license conditions can be found in
LICENSES/.
Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
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Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
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Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
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The netlink dump functionality transfers a large number of entries from the
kernel to userspace. It is rather likely that the transfer has to
interrupted and later continued. During that time, it can happen that
either new entries are added or removed. The userspace could than either
receive some entries multiple times or miss entries.
Commit 670dc2833d14 ("netlink: advertise incomplete dumps") introduced a
mechanism to inform userspace about this problem. Userspace can then decide
whether it is necessary or not to retry dumping the information again.
The netlink dump functions have to be switched to exclusive locks to avoid
changes while the current message is prepared. And an external generation
sequence counter is introduced which tracks all modifications of the list.
Reported-by: Matthias Schiffer <mschiffer@universe-factory.net>
Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
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Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
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Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
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Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
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Also multiline macros should have their statements start on a tabstop. This
was detected by checkpatch.pl after commit a134f8de9f40 ("checkpatch:
improve the TABSTOP test to include declarations").
Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
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Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
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