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| author | Miquel Raynal <miquel.raynal@bootlin.com> | 2023-09-27 21:12:11 +0300 |
|---|---|---|
| committer | Miquel Raynal <miquel.raynal@bootlin.com> | 2023-11-20 13:43:11 +0300 |
| commit | ce93b9378c306e6bcc4e0bd817acf4195b4a0288 (patch) | |
| tree | 4c7f07c23df129cb6de67409cdb49a9ba4f346b9 /include/net/cfg802154.h | |
| parent | 601f160b61b2152ef84a663f856350d5dd9e752a (diff) | |
| download | linux-ce93b9378c306e6bcc4e0bd817acf4195b4a0288.tar.xz | |
ieee802154: Add support for limiting the number of associated devices
Coordinators may refuse associations. We need a user input for
that. Let's add a new netlink command which can provide a maximum number
of devices we accept to associate with as a first step. Later, we could
also forward the request to userspace and check whether the association
should be accepted or not.
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Acked-by: Stefan Schmidt <stefan@datenfreihafen.org>
Acked-by: Alexander Aring <aahringo@redhat.com>
Link: https://lore.kernel.org/linux-wpan/20230927181214.129346-9-miquel.raynal@bootlin.com
Diffstat (limited to 'include/net/cfg802154.h')
| -rw-r--r-- | include/net/cfg802154.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/net/cfg802154.h b/include/net/cfg802154.h index c844ae63bc04..0d3e9af00198 100644 --- a/include/net/cfg802154.h +++ b/include/net/cfg802154.h @@ -506,6 +506,7 @@ struct wpan_dev { struct mutex association_lock; struct ieee802154_pan_device *parent; struct list_head children; + unsigned int max_associations; }; #define to_phy(_dev) container_of(_dev, struct wpan_phy, dev) @@ -584,6 +585,13 @@ cfg802154_device_is_child(struct wpan_dev *wpan_dev, struct ieee802154_addr *target); /** + * cfg802154_set_max_associations - Limit the number of future associations + * @wpan_dev: the wpan device + * @max: the maximum number of devices we accept to associate + */ +void cfg802154_set_max_associations(struct wpan_dev *wpan_dev, unsigned int max); + +/** * cfg802154_get_free_short_addr - Get a free address among the known devices * @wpan_dev: the wpan device * @return: a random short address expectedly unused on our PAN |