a modular framework for creating OpenWrt-based firmwares for wireless mesh nodes
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T-X d5829d87be gluon-mesh-batman-adv-core: disable bridge port learning on bat0 (#780)
The mesh side has become fairly huge in many communities. Up to
a few thousand entries can currently be found in the forwarding
database (fdb) of a bridge for its bridge port bat0.

The bridge fdb is kind of redundant to the batman-adv global translation
table here. Therefore this patch tries to reduce memory footprint by
following an approach similar to the IGMP/MLD split patchset approach:

Make the bridge oblivious not only regarding multicast listeners towards
the mesh but with this patch unicast hosts on the mesh, too.

If the destination of an ethernet frame is known by the bridge to be a
local one, then the frame is forwarded to the according port. If it is
unknown, then the frame is forwarded to the wifi AP interface and bat0.

mac80211 and batman-adv then know whether to drop or forward a frame
further through their own book-keeping.

Note that unicast-flood is not disabled for the wifi AP bridge port, nor
is learning disabled on the wifi AP. This is mainly to keep the
configuration in UCI and according setup scripts simple ;). However, not
disalbling unicast-flood on the wifi AP interface might also give a
minor latency improvement for newly joining wifi clients.

Signed-off-by: Linus Lüssing <linus.luessing@c0d3.blue>
2016-08-22 23:26:07 +02:00
contrib contrib/lsupgrade.sh: show upgrade scripts in luasrc directories 2016-07-29 22:30:11 +02:00
docs Docs: more example site configs in the wild (#837) 2016-08-22 17:32:53 +02:00
include build: add GluonSrcDiet define to package.mk 2016-07-09 15:46:39 +02:00
package gluon-mesh-batman-adv-core: disable bridge port learning on bat0 (#780) 2016-08-22 23:26:07 +02:00
patches dropbear: update to LEDE 277f85c21ae0ede4e15e66cbd801b9fb502531df 2016-08-22 19:23:15 +02:00
scripts scripts/update.sh: fix checkout of correct base commit after fetching 2016-08-12 09:23:07 +02:00
targets ar71xx: backport fixes for better CPE210/510 support (again) 2016-08-22 18:42:33 +02:00
.gitignore build: add GLUON_OUTPUTDIR, move GLUON_IMAGEDIR default below it 2015-10-29 18:44:00 +01:00
CONTRIBUTING.md CONTRIBUTING.md: update links 2016-04-04 00:13:42 +02:00
LICENSE docs, LICENSE: fix upper and lower case of "OpenWrt" 2016-02-05 18:48:48 +01:00
Makefile build: allow profiles to supply an additional file to be copied to the image directory 2016-06-23 00:24:54 +02:00
modules modules: change url from openwrt.org to github one (#850) 2016-08-08 21:22:00 +02:00
README.md docs, README: Gluon v2016.1.5 2016-05-26 02:17:58 +02:00

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