Messages in this thread Patch in this message | | | From | Martin Schiller <> | Subject | [PATCH net-next v2 4/6] net/x25: support NETDEV_CHANGE notifier | Date | Mon, 16 Nov 2020 14:55:24 +0100 |
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This makes it possible to handle carrier lost and detection. In case of carrier lost, we shutdown layer 3 and flush all sessions.
Signed-off-by: Martin Schiller <ms@dev.tdt.de> ---
Change from v1: fix 'subject_prefix' and 'checkpatch' warnings
--- net/x25/af_x25.c | 13 +++++++++++++ 1 file changed, 13 insertions(+)
diff --git a/net/x25/af_x25.c b/net/x25/af_x25.c index 25726120fcc7..6a95ca11694e 100644 --- a/net/x25/af_x25.c +++ b/net/x25/af_x25.c @@ -275,6 +275,19 @@ static int x25_device_event(struct notifier_block *this, unsigned long event, dev->name); x25_link_device_remove(dev); break; + case NETDEV_CHANGE: + pr_debug("X.25: got event NETDEV_CHANGE for device: %s\n", + dev->name); + if (!netif_carrier_ok(dev)) { + pr_debug("X.25: Carrier lost -> set link state down: %s\n", + dev->name); + nb = x25_get_neigh(dev); + if (nb) { + x25_link_terminated(nb); + x25_neigh_put(nb); + } + } + break; } } -- 2.20.1
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