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2020-06-26batman-adv: Fix typos and grammar in documentationSven Eckelmann
Signed-off-by: Sven Eckelmann <sven@narfation.org> Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
2020-06-26batman-adv: Start new development cycleSimon Wunderlich
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
2020-04-21batman-adv: Start new development cycleSimon Wunderlich
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
2020-02-16batman-adv: Start new development cycleSimon Wunderlich
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
2020-01-01batman-adv: Update copyright years for 2020Sven Eckelmann
Signed-off-by: Sven Eckelmann <sven@narfation.org> Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
2019-11-25batman-adv: Start new development cycleSimon Wunderlich
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
2019-11-03batman-adv: Start new development cycleSimon Wunderlich
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
2019-07-22batman-adv: Start new development cycleSimon Wunderlich
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
2019-05-25batman-adv: Use includes instead of fwdeclsSven Eckelmann
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>
2019-05-25batman-adv: Add missing include for atomic functionsSven Eckelmann
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>
2019-05-21batman-adv: Start new development cycleSimon Wunderlich
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
2019-05-09Merge tag 'batadv-net-for-davem-20190509' of git://git.open-mesh.org/linux-mergeDavid S. Miller
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>
2019-05-06batman-adv: Start new development cycleSimon Wunderlich
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
2019-03-25batman-adv: Make sysfs support optionalSven Eckelmann
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>
2019-03-25batman-adv: Drop license boilerplateSven Eckelmann
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>
2019-01-04batman-adv: Update copyright years for 2019Sven Eckelmann
Signed-off-by: Sven Eckelmann <sven@narfation.org> Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
2018-12-30batman-adv: Start new development cycleSimon Wunderlich
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
2018-11-12batman-adv: Add inconsistent hardif netlink dump detectionSven Eckelmann
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>
2018-11-12batman-adv: Start new development cycleSimon Wunderlich
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
2018-09-14batman-adv: Start new development cycleSimon Wunderlich
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
2018-04-22batman-adv: Start new development cycleSimon Wunderlich
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
2018-02-27batman-adv: Fix indentation of batadv_seq_beforeSven Eckelmann
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>
2018-02-26batman-adv: Update copyright years for 2018Sven Eckelmann
Signed-off-by: Sven Eckelmann <sven@narfation.org> Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
2018-02-26batman-adv: Start new development cycleSimon Wunderlich
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
2017-12-21batman-adv: Convert packet.h to uapi headerSven Eckelmann
The header file is used by different userspace programs to inject packets or to decode sniffed packets. It should therefore be available to them as userspace header. Also other components in the kernel (like the flow dissector) require access to the packet definitions to be able to decode ETH_P_BATMAN ethernet packets. Signed-off-by: Sven Eckelmann <sven.eckelmann@openmesh.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-21batman-adv: Let packet.h include its headers directlySven Eckelmann
The headers used by packet.h should also be included by it directly. main.h is currently dealing with it in batman-adv, but this will no longer work when this header is moved to include/uapi/linux/. Signed-off-by: Sven Eckelmann <sven.eckelmann@openmesh.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-15batman-adv: Add kernel-doc to functions in headersSven Eckelmann
Externally visible functions should be documented with kernel-doc. This usually refers to non-static functions but also static inline files in headers are visible in other files and should therefore be documented. Signed-off-by: Sven Eckelmann <sven@narfation.org> Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
2017-12-15batman-adv: Add kernel-doc to enums in headersSven Eckelmann
All enums in types.h are already documented. But some other headers still have private enums which also should be documented. Signed-off-by: Sven Eckelmann <sven@narfation.org> Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
2017-12-15batman-adv: Use parentheses in function kernel-docSven Eckelmann
The documentation describing kernel-doc comments for functions ("How to format kernel-doc comments") uses parentheses at the end of the function name. Using this format allows to use a consistent style when adding documentation to a function and when referencing this function in a different kernel-doc section. Signed-off-by: Sven Eckelmann <sven@narfation.org> Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
2017-12-15batman-adv: Add SPDX license identifier above copyright headerSven Eckelmann
The "Linux kernel licensing rules" require that each file has a SPDX license identifier as first line (and sometimes as second line). The FSFE REUSE practices [1] would also require the same tags but have no restrictions on the placement in the source file. Using the "Linux kernel licensing rules" is therefore also fulfilling the FSFE REUSE practices requirements at the same time. [1] https://reuse.software/practices/ Signed-off-by: Sven Eckelmann <sven@narfation.org> Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
2017-12-04batman-adv: Start new development cycleSimon Wunderlich
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
2017-09-28batman-adv: Start new development cycleSimon Wunderlich
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
2017-07-29batman-adv: Start new development cycleSimon Wunderlich
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
2017-05-23batman-adv: decrease maximum fragment sizeMatthias Schiffer
With this patch the maximum fragment size is reduced from 1400 to 1280 bytes. Fragmentation v2 correctly uses the smaller of 1400 and the interface MTU, thus generally supporting interfaces with an MTU < 1400 bytes, too. However, currently "Fragmentation v2" does not support re-fragmentation. Which means that once a packet is split into two packets of 1400 + x bytes for instance and the next hop provides an interface with an even smaller MTU of 1280 bytes, then the larger fragment is lost. A maximum fragment size of 1280 bytes is a safer option as this is the minimum MTU required by IPv6, making interfaces with an MTU < 1280 rather exotic. Regarding performance, this should have no negative impact on unicast traffic: Having some more bytes in the smaller and some less in the larger does not change the sum of both fragments. Concerning TT, choosing 1280 bytes fragments might result in more TT messages than necessary when a large network is bridged into batman-adv. However, the TT overhead in general is marginal due to its reactive nature, therefore such a performance impact on TT should not be noticeable for a user. Cc: Matthias Schiffer <mschiffer@universe-factory.net> [linus.luessing@c0d3.blue: Added commit message] 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>
2017-05-23batman-adv: Start new development cycleSimon Wunderlich
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
2017-03-16batman-adv: Convert BATADV_PRINT_VID macro to functionSven Eckelmann
The BATADV_PRINT_VID is not free of of possible side-effects. This can be avoided when the the macro is converted to a simple inline function. Signed-off-by: Sven Eckelmann <sven@narfation.org> Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
2017-03-16batman-adv: Start new development cycleSimon Wunderlich
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
2017-01-26batman-adv: update copyright years for 2017Sven Eckelmann
Signed-off-by: Sven Eckelmann <sven@narfation.org> Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
2017-01-01batman-adv: Start new development cycleSimon Wunderlich
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
2016-10-30batman-adv: Use own timer for multicast TT and TVLV updatesLinus Lüssing
Instead of latching onto the OGM period, this patch introduces a worker dedicated to multicast TT and TVLV updates. The reasoning is, that upon roaming especially the translation table should be updated timely to minimize connectivity issues. With BATMAN V, the idea is to greatly increase the OGM interval to reduce overhead. Unfortunately, right now this could lead to a bad user experience if multicast traffic is involved. Therefore this patch introduces a fixed 500ms update interval for multicast TT entries and the multicast TVLV. 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>
2016-10-19batman-adv: Avoid precedence issues in macrosSven Eckelmann
It must be avoided that arguments to a macro are evaluated ungrouped (which enforces normal operator precendence). Otherwise the result of the macro is not well defined. Signed-off-by: Sven Eckelmann <sven@narfation.org> Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
2016-10-17batman-adv: Move batadv_sum_counter to soft-interface.cSven Eckelmann
The function batadv_sum_counter is only used in soft-interface.c and has no special relevance for main.h. Signed-off-by: Sven Eckelmann <sven@narfation.org> Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
2016-10-17batman-adv: Start new development cycleSimon Wunderlich
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
2016-08-09batman-adv: Start new development cycleSimon Wunderlich
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de> Signed-off-by: Sven Eckelmann <sven@narfation.org>
2016-07-04batman-adv: throughput meter implementationAntonio Quartulli
The throughput meter module is a simple, kernel-space replacement for throughtput measurements tool like iperf and netperf. It is intended to approximate TCP behaviour. It is invoked through batctl: the protocol is connection oriented, with cumulative acknowledgment and a dynamic-size sliding window. The test *can* be interrupted by batctl. A receiver side timeout avoids unlimited waitings for sender packets: after one second of inactivity, the receiver abort the ongoing test. Based on a prototype from Edo Monticelli <montik@autistici.org> Signed-off-by: Antonio Quartulli <antonio.quartulli@open-mesh.com> Signed-off-by: Sven Eckelmann <sven.eckelmann@open-mesh.com> Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch> Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
2016-06-30batman-adv: Consolidate logging related functionsSven Eckelmann
There are several places in batman-adv which provide logging related functions. These should be grouped together in the log.* files to make them easier to find. Reported-by: Markus Pargmann <mpa@pengutronix.de> Signed-off-by: Sven Eckelmann <sven@narfation.org> Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch> Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
2016-06-30batman-adv: move bat_algo functions into a separate fileSven Eckelmann
The bat_algo functionality in main.c is mostly unrelated to the rest of the content. It still takes up a large portion of this source file (~15%, 103 lines). Moving it to a separate file makes it better visible as a main component of the batman-adv implementation and hides it less in the other helper functions in main.c. Signed-off-by: Sven Eckelmann <sven@narfation.org> Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch> Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
2016-06-30batman-adv: split tvlv into a separate fileMarkus Pargmann
The tvlv functionality in main.c is mostly unrelated to the rest of the content. It still takes up a large portion of this source file (~45%, 588 lines). Moving it to a separate file makes it better visible as a main component of the batman-adv implementation and hides it less in the other helper functions in main.c Signed-off-by: Markus Pargmann <mpa@pengutronix.de> [sven@narfation.org: fix conflicts with current version, fix includes, rewrote commit message] Signed-off-by: Sven Eckelmann <sven@narfation.org> Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch> Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
2016-06-30batman-adv: Keep includes ordered by filenameSven Eckelmann
It is easier to detect if a include is already there for a used functionality when the includes are ordered. Using an alphabetic order together with the grouping in commit 1e2c2a4fe4a5 ("batman-adv: Add required includes to all files") makes includes better manageable. Signed-off-by: Sven Eckelmann <sven@narfation.org> Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch> Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
2016-06-30batman-adv: Adding logging of mcast flag changesLinus Lüssing
With this patch changes relevant to a node's own multicast flags are printed to the 'mcast' log level. Tested-by: Simon Wunderlich <sw@simonwunderlich.de> Signed-off-by: Linus Lüssing <linus.luessing@c0d3.blue> Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch> Signed-off-by: Sven Eckelmann <sven@narfation.org> Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
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