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authorSven Eckelmann <sven@narfation.org>2019-06-02 11:57:31 +0300
committerSimon Wunderlich <sw@simonwunderlich.de>2019-06-02 14:33:48 +0300
commit9e6b5648bbc4cd48fab62cecbb81e9cc3c6e7e88 (patch)
treeea4434a287901adfcde9d211d2fcf9614cab4562 /net/batman-adv/hard-interface.c
parent17f78dd1bd624a4dd78ed5db3284a63ee807fcc3 (diff)
downloadlinux-9e6b5648bbc4cd48fab62cecbb81e9cc3c6e7e88.tar.xz
batman-adv: Fix duplicated OGMs on NETDEV_UP
The state of slave interfaces are handled differently depending on whether the interface is up or not. All active interfaces (IFF_UP) will transmit OGMs. But for B.A.T.M.A.N. IV, also non-active interfaces are scheduling (low TTL) OGMs on active interfaces. The code which setups and schedules the OGMs must therefore already be called when the interfaces gets added as slave interface and the transmit function must then check whether it has to send out the OGM or not on the specific slave interface. But the commit f0d97253fb5f ("batman-adv: remove ogm_emit and ogm_schedule API calls") moved the setup code from the enable function to the activate function. The latter is called either when the added slave was already up when batadv_hardif_enable_interface processed the new interface or when a NETDEV_UP event was received for this slave interfac. As result, each NETDEV_UP would schedule a new OGM worker for the interface and thus OGMs would be send a lot more than expected. Fixes: f0d97253fb5f ("batman-adv: remove ogm_emit and ogm_schedule API calls") Reported-by: Linus Lüssing <linus.luessing@c0d3.blue> Tested-by: Linus Lüssing <linus.luessing@c0d3.blue> Acked-by: Marek Lindner <mareklindner@neomailbox.ch> Signed-off-by: Sven Eckelmann <sven@narfation.org> Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
Diffstat (limited to 'net/batman-adv/hard-interface.c')
-rw-r--r--net/batman-adv/hard-interface.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/net/batman-adv/hard-interface.c b/net/batman-adv/hard-interface.c
index 79d1731b8306..3719cfd026f0 100644
--- a/net/batman-adv/hard-interface.c
+++ b/net/batman-adv/hard-interface.c
@@ -795,6 +795,9 @@ int batadv_hardif_enable_interface(struct batadv_hard_iface *hard_iface,
batadv_hardif_recalc_extra_skbroom(soft_iface);
+ if (bat_priv->algo_ops->iface.enabled)
+ bat_priv->algo_ops->iface.enabled(hard_iface);
+
out:
return 0;