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Commit Graph

20 Commits

Author SHA1 Message Date
Benjamin Valentin
233902b3d5 gnrc/ipv6_auto_subnets: clarify documentation 2024-03-05 17:32:39 +01:00
Benjamin Valentin
2a7691176b gnrc/ipv6_auto_subnets: allow to configure minimal prefix length 2023-05-23 17:46:39 +02:00
Benjamin Valentin
9358a4430d gnrc/ipv6_auto_subnets: remove superfluous newline 2023-05-23 17:46:39 +02:00
Benjamin Valentin
8966c14f60 gnrc_ipv6_nib: set default RIO preference to zero
Linux will ignore RIOs with preference NONE, so set the preference
to zero instead.
2023-05-23 13:02:36 +02:00
Marian Buschsieweke
c3500eb6e0
tree wide: fix typos in comments found by codespell
This will not change generated binaries, only the Doxygen output and
source code will have less typos.
2023-05-02 09:52:06 +02:00
Benjamin Valentin
b068bd31c2 gnrc/ipv6_auto_subnets: add CONFIG_GNRC_IPV6_AUTO_SUBNETS_STATIC option
In situations with high packet loss, if all sync packets are lost, conflicting
subnets will be configured.

If the network is static, this can be prevented by always using the highest number
of subnets that has been observed.

This assumes no nodes are physically added / removed from the network.
2022-10-25 19:46:42 +02:00
Benjamin Valentin
28ff28aee0 gnrc/ipv6_auto_subnets: document the role of the RIO 2022-08-16 11:31:23 +02:00
Benjamin Valentin
18e74ae8c0 gnrc/ipv6_auto_subnets: document subnet generation better 2022-08-16 11:31:23 +02:00
Benjamin Valentin
d4a3521501 doc/doxygen: add gnrc_ipv6_auto_subnets.c to INPUT 2022-07-15 11:47:01 +02:00
Benjamin Valentin
c7ac22c892 gnrc/ipv6_auto_subnets: improve wording in documentation 2022-07-15 01:50:15 +02:00
Benjamin Valentin
d102bf90ea gnrc/ipv6_auto_subnets: always send RIO to upstream network
In a881af8b08 we would return early if the subnet did not change,
but we must still send the router advertisement with the route information
option to the upstream network, otherwise hosts in that network will not
consider the downstream subnet off-link.
2022-06-09 17:25:20 +02:00
Martine Lenders
a61c4b738c
Merge pull request #17547 from benpicco/gnrc_ipv6_auto_subnets-multi
gnrc/ipv6_auto_subnets: allow to join multiple subnets
2022-05-24 15:49:17 +02:00
Benjamin Valentin
b13b942e18 gnrc/ipv6_auto_subnets: allow to join multiple subnets 2022-05-12 00:44:18 +02:00
Benjamin Valentin
1c1cb481da gnrc/ipv6_auto_subnets: only use prefix meant for address configuration 2022-05-10 16:41:20 +02:00
Benjamin Valentin
a881af8b08 gnrc/ipv6_auto_subnets: bail out early if prefix stays the same 2022-05-01 21:37:32 +02:00
Benjamin Valentin
5785856fe7 gnrc/ipv6_auto_subnets: bail out early if adding prefix fails 2022-04-29 22:56:35 +02:00
Benjamin Valentin
3993fd75d0 gnrc/ipv6_auto_subnets: auto init RPL root 2022-04-29 22:56:35 +02:00
Benjamin Valentin
9d5808d756 gnrc/ipv6_auto_subnets: set RIO priority to ZERO
This is required for Linux to accept the RIO

with this patch:

2001:db8:8000::/33 via fe80::d0e7:ffff:fe46:6b52 dev tap0 proto ra metric 1024 expires 86338sec pref medium
2001:db8::/32 dev tap0 proto kernel metric 256 pref medium

before:

2001:db8::/32 dev tap0 proto kernel metric 256 pref medium
2021-10-15 15:57:59 +02:00
Benjamin Valentin
6742fb8076 gnrc/ipv6_auto_subnets: relax topology requirements 2021-09-28 16:57:10 +02:00
Benjamin Valentin
b208db0f27 gnrc_ipv6_auto_subnets: auto-configuration for nested subnets
If we get a large (e.g. /62) prefix from e.g. DHCPv6, we can split it
into subnets automatically to configure downstream interfaces.

This allows for automatic configuration of daisy-chained nodes or
nodes connected in a tree topology.

To enable the feature, a new pseudo-module `gnrc_ipv6_auto_subnets` is
provided.
2021-09-02 15:35:14 +02:00