- 10 10月, 2013 1 次提交
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由 Marek Lindner 提交于
Prior to this patch batman-adv read the advertised uplink bandwidth from userspace and compressed this information into a single byte called "gateway class". Now the download & upload bandwidth information is sent as-is. No userspace change is necessary since the sysfs API always allowed to specify a bandwidth. Signed-off-by: NMarek Lindner <lindner_marek@yahoo.de> Signed-off-by: NSpyros Gasteratos <morfeas3000@gmail.com> Signed-off-by: NAntonio Quartulli <antonio@meshcoding.com>
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- 28 8月, 2013 1 次提交
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由 Antonio Quartulli 提交于
Whenever the GW client mode is deselected, a DEL event has to be sent in order to tell userspace that the current gateway has been lost. Send the uevent on state change only if a gateway was currently selected. Reported-by: NMarek Lindner <lindner_marek@yahoo.de> Signed-off-by: NAntonio Quartulli <antonio@open-mesh.com> Signed-off-by: NMarek Lindner <lindner_marek@yahoo.de>
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- 10 6月, 2013 1 次提交
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由 Matthias Schiffer 提交于
The rtnl_lock in batadv_store_mesh_iface has been converted to a rtnl_trylock some time ago to avoid a possible deadlock between rtnl and s_active on removal of the sysfs nodes. The behaviour introduced by that was quite confusing as it could lead to the sysfs store to fail, making batman-adv setup scripts unreliable. As recently the sysfs removal was postponed to a worker not running with the rtnl taken, the deadlock can't occur any more and it is safe to change the trylock back to a lock to make the sysfs store reliable again. Signed-off-by: NMatthias Schiffer <mschiffer@universe-factory.net> Reviewed-by: NSimon Wunderlich <siwu@hrz.tu-chemnitz.de> Signed-off-by: NMarek Lindner <lindner_marek@yahoo.de> Signed-off-by: NAntonio Quartulli <ordex@autistici.org>
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- 27 3月, 2013 1 次提交
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由 Sven Eckelmann 提交于
batman-adv has an unusual way to manage softinterfaces. These will be created automatically when a user writes to the batman-adv/mesh_iface file in sysfs and removed when no slave device exists anymore. This behaviour cannot be changed without breaking compatibility with existing code. Instead other interfaces should be able to slightly reduce this behaviour and provide a more common reaction to a removal of a slave interface. Signed-off-by: NSven Eckelmann <sven@narfation.org> Signed-off-by: NMarek Lindner <lindner_marek@yahoo.de> Acked-by: NAntonio Quartulli <ordex@autistici.org> Signed-off-by: NAntonio Quartulli <ordex@autistici.org>
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- 14 3月, 2013 2 次提交
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由 Martin Hundebøll 提交于
Network coding exploits the 802.11 shared medium to allow multiple packets to be sent in a single transmission. In brief, a relay can XOR two packets, and send the coded packet to two destinations. The receivers can decode one of the original packets by XOR'ing the coded packet with the other original packet. This will lead to increased throughput in topologies where two packets cross one relay. In a simple topology with three nodes, it takes four transmissions without network coding to get one packet from Node A to Node B and one from Node B to Node A: 1. Node A ---- p1 ---> Node R Node B 2. Node A Node R <--- p2 ---- Node B 3. Node A <--- p2 ---- Node R Node B 4. Node A Node R ---- p1 ---> Node B With network coding, the relay only needs one transmission, which saves us one slot of valuable airtime: 1. Node A ---- p1 ---> Node R Node B 2. Node A Node R <--- p2 ---- Node B 3. Node A <- p1 x p2 - Node R - p1 x p2 -> Node B The same principle holds for a topology including five nodes. Here the packets from Node A and Node B are overheard by Node C and Node D, respectively. This allows Node R to send a network coded packet to save one transmission: Node A Node B | \ / | | p1 p2 | | \ / | p1 > Node R < p2 | | | / \ | | p1 x p2 p1 x p2 | v / \ v / \ Node C < > Node D More information is available on the open-mesh.org wiki[1]. This patch adds the initial code to support network coding in batman-adv. It sets up a worker thread to do house keeping and adds a sysfs file to enable/disable network coding. The feature is disabled by default, as it requires a wifi-driver with working promiscuous mode, and also because it adds a small delay at each hop. [1] http://www.open-mesh.org/projects/batman-adv/wiki/CatwomanSigned-off-by: NMartin Hundebøll <martin@hundeboll.net> Signed-off-by: NMarek Lindner <lindner_marek@yahoo.de> Signed-off-by: NAntonio Quartulli <ordex@autistici.org>
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由 Marek Lindner 提交于
The batadv_priv struct carries a pointer to its own interface struct. Therefore, it is not necessary to retrieve the soft_iface via the primary interface. Signed-off-by: NMarek Lindner <lindner_marek@yahoo.de> Signed-off-by: NAntonio Quartulli <ordex@autistici.org>
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- 19 1月, 2013 1 次提交
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由 Antonio Quartulli 提交于
Signed-off-by: NAntonio Quartulli <ordex@autistici.org> Signed-off-by: NMarek Lindner <lindner_marek@yahoo.de>
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- 15 11月, 2012 1 次提交
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由 Sven Eckelmann 提交于
Signed-off-by: NSven Eckelmann <sven@narfation.org> Signed-off-by: NMarek Lindner <lindner_marek@yahoo.de> Signed-off-by: NAntonio Quartulli <ordex@autistici.org>
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- 08 11月, 2012 1 次提交
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由 Antonio Quartulli 提交于
This patch adds a runtime switch that enables the user to turn the DAT feature on or off at runtime Signed-off-by: NAntonio Quartulli <ordex@autistici.org>
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- 29 10月, 2012 1 次提交
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由 Sven Eckelmann 提交于
Signed-off-by: NSven Eckelmann <sven@narfation.org> Signed-off-by: NMarek Lindner <lindner_marek@yahoo.de> Signed-off-by: NAntonio Quartulli <ordex@autistici.org>
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- 02 7月, 2012 7 次提交
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由 Sven Eckelmann 提交于
The "bat_" prefix in the source files implementing the batman-adv sysfs and debugfs interface doesn't have a special meaning and are only used by these files and files that implement the actual B.A.T.M.A.N. path finding algorithm. The prefix is better suited to mark files that are used to implement the main part of the path finding. All other files should not use it and therefore gets renamed. Signed-off-by: NSven Eckelmann <sven@narfation.org>
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由 Sven Eckelmann 提交于
Reported-by: NMartin Hundebøll <martin@hundeboll.net> Signed-off-by: NSven Eckelmann <sven@narfation.org>
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由 Sven Eckelmann 提交于
Reported-by: NMartin Hundebøll <martin@hundeboll.net> Signed-off-by: NSven Eckelmann <sven@narfation.org>
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由 Sven Eckelmann 提交于
Reported-by: NMartin Hundebøll <martin@hundeboll.net> Signed-off-by: NSven Eckelmann <sven@narfation.org>
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由 Sven Eckelmann 提交于
Reported-by: NMartin Hundebøll <martin@hundeboll.net> Signed-off-by: NSven Eckelmann <sven@narfation.org>
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由 Sven Eckelmann 提交于
Reported-by: NMartin Hundebøll <martin@hundeboll.net> Signed-off-by: NSven Eckelmann <sven@narfation.org>
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由 Sven Eckelmann 提交于
Reported-by: NMartin Hundebøll <martin@hundeboll.net> Signed-off-by: NSven Eckelmann <sven@narfation.org>
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- 28 6月, 2012 5 次提交
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由 Sven Eckelmann 提交于
Reported-by: NMartin Hundebøll <martin@hundeboll.net> Signed-off-by: NSven Eckelmann <sven@narfation.org>
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由 Sven Eckelmann 提交于
Reported-by: NMartin Hundebøll <martin@hundeboll.net> Signed-off-by: NSven Eckelmann <sven@narfation.org>
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由 Sven Eckelmann 提交于
Reported-by: NMartin Hundebøll <martin@hundeboll.net> Signed-off-by: NSven Eckelmann <sven@narfation.org>
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由 Sven Eckelmann 提交于
Reported-by: NMartin Hundebøll <martin@hundeboll.net> Signed-off-by: NSven Eckelmann <sven@narfation.org>
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由 Sven Eckelmann 提交于
Signed-off-by: NSven Eckelmann <sven@narfation.org>
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- 25 6月, 2012 3 次提交
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由 Sven Eckelmann 提交于
All non-static symbols of batman-adv were prefixed with batadv_ to avoid collisions with other symbols of the kernel. Other symbols of batman-adv should use the same prefix to keep the naming scheme consistent. Signed-off-by: NSven Eckelmann <sven@narfation.org>
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由 Sven Eckelmann 提交于
All non-static symbols of batman-adv were prefixed with batadv_ to avoid collisions with other symbols of the kernel. Other symbols of batman-adv should use the same prefix to keep the naming scheme consistent. Signed-off-by: NSven Eckelmann <sven@narfation.org>
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由 Sven Eckelmann 提交于
All non-static symbols of batman-adv were prefixed with batadv_ to avoid collisions with other symbols of the kernel. Other symbols of batman-adv should use the same prefix to keep the naming scheme consistent. Signed-off-by: NSven Eckelmann <sven@narfation.org>
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- 21 6月, 2012 5 次提交
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由 Sven Eckelmann 提交于
batman-adv doesn't follow the style for multiline comments that David S. Miller prefers. All comments should be reformatted to follow this consistent style to make the code slightly more readable. Signed-off-by: NSven Eckelmann <sven@narfation.org>
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由 Sven Eckelmann 提交于
batman-adv can be compiled as part of the kernel instead of an module. In that case the linker will see all non-static symbols of batman-adv and all other non-static symbols of the kernel. This could lead to symbol collisions. A prefix for the batman-adv symbols that defines their private namespace avoids such a problem. Reported-by: NDavid Miller <davem@davemloft.net> Signed-off-by: NSven Eckelmann <sven@narfation.org>
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由 Sven Eckelmann 提交于
batman-adv can be compiled as part of the kernel instead of an module. In that case the linker will see all non-static symbols of batman-adv and all other non-static symbols of the kernel. This could lead to symbol collisions. A prefix for the batman-adv symbols that defines their private namespace avoids such a problem. Reported-by: NDavid Miller <davem@davemloft.net> Signed-off-by: NSven Eckelmann <sven@narfation.org>
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由 Sven Eckelmann 提交于
batman-adv can be compiled as part of the kernel instead of an module. In that case the linker will see all non-static symbols of batman-adv and all other non-static symbols of the kernel. This could lead to symbol collisions. A prefix for the batman-adv symbols that defines their private namespace avoids such a problem. Reported-by: NDavid Miller <davem@davemloft.net> Signed-off-by: NSven Eckelmann <sven@narfation.org>
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由 Sven Eckelmann 提交于
batman-adv can be compiled as part of the kernel instead of an module. In that case the linker will see all non-static symbols of batman-adv and all other non-static symbols of the kernel. This could lead to symbol collisions. A prefix for the batman-adv symbols that defines their private namespace avoids such a problem. Reported-by: NDavid Miller <davem@davemloft.net> Signed-off-by: NSven Eckelmann <sven@narfation.org>
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- 19 6月, 2012 2 次提交
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由 Antonio Quartulli 提交于
Each time a new log level is added the developer must change either the DBG_ALL enum definition and the hard coded value in the bat_sysfs.c for the log_level attribute max value. This is extremely error prone. With this patch the code directly uses DBG_ALL in the sysfs definition Signed-off-by: NAntonio Quartulli <ordex@autistici.org> Signed-off-by: NSven Eckelmann <sven@narfation.org>
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由 Sven Eckelmann 提交于
Signed-off-by: NSven Eckelmann <sven@narfation.org>
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- 11 5月, 2012 2 次提交
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由 Linus Luessing 提交于
This allows us to easily add a sysfs parameter for an unsigned int later, which is not for a batman mesh interface (e.g. bat0), but for a common interface instead. It allows reading and writing an atomic_t in hard_iface (instead of bat_priv compared to the mesh variant). Developed by Linus during a 6 months trainee study period in Ascom (Switzerland) AG. Signed-off-by: NLinus Luessing <linus.luessing@web.de> Signed-off-by: NMarek Lindner <lindner_marek@yahoo.de>
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由 Marek Lindner 提交于
Signed-off-by: NMarek Lindner <lindner_marek@yahoo.de> Signed-off-by: NAntonio Quartulli <ordex@autistici.org>
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- 16 4月, 2012 1 次提交
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由 Eric Dumazet 提交于
Use of "unsigned int" is preferred to bare "unsigned" in net tree. Signed-off-by: NEric Dumazet <eric.dumazet@gmail.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 11 4月, 2012 3 次提交
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由 Simon Wunderlich 提交于
The define CONFIG_BATMAN_ADV_BLA switches the bridge loop avoidance on - skip it, and the bridge loop avoidance is not compiled in. This is useful if binary size should be saved or the feature is not needed. Signed-off-by: NSimon Wunderlich <siwu@hrz.tu-chemnitz.de> Signed-off-by: NAntonio Quartulli <ordex@autistici.org>
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由 Simon Wunderlich 提交于
Signed-off-by: NSimon Wunderlich <siwu@hrz.tu-chemnitz.de> Signed-off-by: NAntonio Quartulli <ordex@autistici.org>
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由 Simon Wunderlich 提交于
This second version of the bridge loop avoidance for batman-adv avoids loops between the mesh and a backbone (usually a LAN). By connecting multiple batman-adv mesh nodes to the same ethernet segment a loop can be created when the soft-interface is bridged into that ethernet segment. A simple visualization of the loop involving the most common case - a LAN as ethernet segment: node1 <-- LAN --> node2 | | wifi <-- mesh --> wifi Packets from the LAN (e.g. ARP broadcasts) will circle forever from node1 or node2 over the mesh back into the LAN. With this patch, batman recognizes backbone gateways, nodes which are part of the mesh and backbone/LAN at the same time. Each backbone gateway "claims" clients from within the mesh to handle them exclusively. By restricting that only responsible backbone gateways may handle their claimed clients traffic, loops are effectively avoided. Signed-off-by: NSimon Wunderlich <siwu@hrz.tu-chemnitz.de> Signed-off-by: NAntonio Quartulli <ordex@autistici.org>
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- 11 3月, 2012 1 次提交
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由 Sven Eckelmann 提交于
Signed-off-by: NSven Eckelmann <sven@narfation.org> Signed-off-by: NMarek Lindner <lindner_marek@yahoo.de>
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- 28 2月, 2012 1 次提交
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由 Sven Eckelmann 提交于
Signed-off-by: NSven Eckelmann <sven@narfation.org> Signed-off-by: NMarek Lindner <lindner_marek@yahoo.de>
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