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Announcement:
https://alioth-lists.debian.net/pipermail/babel-users/2023-July/004100.html
Babeld removed diversity routing [0], so we need to adjust ubus
bindings. Further. we need to add a patch that makes local_kind
accessible again: "100-local-make-local_kind-function-accessible.patch"
Refresh patches:
- 600-add-ubus.patch
[0] - https://github.com/jech/babeld/commit/a0816083356e5d33fb71e0e30d92aa3bf335d7ea
Signed-off-by: Nick Hainke <vincent@systemli.org>
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You can define filter functions in babeld by:
in if eth0 metric 128
This commit adds the ubus equivalent to dynamically add filter on
runtime:
ubus call babeld add_filter '{"ifname":"eth0", "type":"input",
"metric":128}'
Signed-off-by: Nick Hainke <vincent@systemli.org>
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There is an unused variable in the function. Remove it.
Fixes: 385200443554 ("babeld: add add_interface function").
Signed-off-by: Nick Hainke <vincent@systemli.org>
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An interface can be added dynmiacally to babeld by starting babeld with
the local management interface (-G) and saying:
interface eth0
Add the ubus equivalent of this function:
ubus call babeld add_interface '{"ifname":"eth0"}'
Signed-off-by: Nick Hainke <vincent@systemli.org>
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For some reason the buffer is initialized twice before filling it.
This does not break anything but is useless. Reduce the initialization
to only one.
Signed-off-by: Nick Hainke <vincent@systemli.org>
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As Felix mentioned:
If a buffer was already allocated, blob_buf_init reuses it. You can
keep reusing it as many times as you want. You only need to call
blob_buf_free if you explicitly want to free the buffer memory
(e.g. on exit, or if the blob_buf is on stack).
http://lists.openwrt.org/pipermail/openwrt-devel/2021-October/036722.html
This PR frees the blob-buffers that are on the stack.
Signed-off-by: Nick Hainke <vincent@systemli.org>
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25 April 2021: babeld-1.10
* Removed the disambiguation code: source-specific routing is no longer
supported for IPv4, and for IPv6 only on Linux 3.11 or later.
* Fixed an issue handling of retractions with no next hop, which caused
interoperability problems with BIRD. Thanks to Fabian Bläse.
* If skip-kernel-setup is set, we no longer disable the rp_filter, which
makes babeld work in containers. Thanks to Martin Weinelt.
Remove upstreamed part of ubus patch:
- local: make local_kind function accessible
Signed-off-by: Nick Hainke <vincent@systemli.org>
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babeld: adopt to upstream header-style
Instead of including the headerfiles that define the structs, we add
forward definitions to our headerfile.
Fixes warning:
ubus.h:67:32: warning: 'struct xroute' declared inside parameter list will not be visible outside of this definition or declaration
void ubus_notify_xroute(struct xroute *xroute, int kind);
^~~~~~
Signed-off-by: Nick Hainke <vincent@systemli.org>
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babeld: fix compiler warnings
Fixes:
- "route_list_entry" points to "struct babel_route"
- "format_thousands" returns a string pointer
- "UBUS_METHOD_NOARG" wants a function returning an integer
Signed-off-by: Nick Hainke <vincent@systemli.org>
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* babeld: send events via ubus
Send a notification via the ubus bus if we experience any changes in
neighbours, routes or xroutes.
The format looks like this:
{route,xroute,neighbour}.add: Object was added
{route,xroute,neighbour}.change: Object was changed
{route,xroute,neighbour}.flush: Object was flushed
If ubus_bindings is turned off, it will minimally effect performance,
since only an if-statement has to be evaluated.
If no subscriber is available, it will minimally change the performance,
since only an if-statmenet that checks for subscribers has to be
evaluated.
Signed-off-by: Nick Hainke <vincent@systemli.org>
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A better integration of babeld with OpenWrt is to connect the daemon to
the IPC. So far, we can only communicate via a websocket. With ubus we
can send and receive commands in json format.
The commit adds a ubus interface to babeld with following functions:
- get_info
- get_neighbours
- get_xroutes
- get_routes
All output is divided into IPv4 and IPv6.
Ubus has to be enabled by setting "config general"
option 'ubus_bindings' 'true'
Example:
root@OpenWrt:~# ubus call babeld get_info
{
"babeld-version": "babeld-1.9.2",
"my-id": "32:xx:xx:xx:xx:xx:xx:xx",
"host": "OpenWrt"
}
root@OpenWrt:~# ubus call babeld get_neighbours
{
"IPv4": {
},
"IPv6": {
"fe80::xx:xx:xx:xxx": {
"dev": "br-lan",
"hello-reach": 65408,
"uhello-reach": 0,
"rxcost": 96,
"txcost": 96,
"rtt": 4338271,
"channel": -2,
"if_up": true
}
}
}
root@OpenWrt:~# ubus call babeld get_xroutes
{
"IPv4": {
"10.0.0.3/32": {
"src-prefix": "0.0.0.0/0",
"metric": 0
},
"10.0.0.0/24": {
"src-prefix": "0.0.0.0/0",
"metric": 0
}
},
"IPv6": {
"fdfa:xx:xx::1/128": {
"src-prefix": "::/0",
"metric": 0
}
}
}
root@OpenWrt:~# ubus call babeld get_routes
{
"IPv4": {
"10.2.0.1/32": {
"src-prefix": "0.0.0.0/0",
"route_metric": 96,
"route_smoothed_metric": 96,
"refmetric": 0,
"id": "62:xx:xx:xx:xx:xx:xx:xx",
"seqno": 41381,
"channels": "",
"age": 17,
"via": "fe80::xx:xxxx:xxxx:xxxx",
"nexthop": " nexthop ",
"installed": true,
"feasible": true
},
"IPv6": {
}
}
Additional IPC functionality will follow.
Further, we changed the version to $version-ubus-mod.
Signed-off-by: Nick Hainke <vincent@systemli.org>
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