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c738e4751e
* Broken sync while rescheduling delayed work * compat: Use native kstrtox.h for 5.10.185 * Do not get eth header before batadv_check_management_packet * Trigger events for auto adjusted MTU * Don't increase MTU when set by user * Fix TT global entry leak when client roamed back * Fix batadv_v_ogm_aggr_send memory leak Signed-off-by: Sven Eckelmann <sven@narfation.org>
29 lines
1.2 KiB
Diff
29 lines
1.2 KiB
Diff
From: Sven Eckelmann <sven@narfation.org>
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Date: Wed, 19 Jul 2023 10:15:05 +0200
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Subject: batman-adv: Trigger events for auto adjusted MTU
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If an interface changes the MTU, it is expected that an NETDEV_PRECHANGEMTU
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and NETDEV_CHANGEMTU notification events is triggered. This worked fine for
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.ndo_change_mtu based changes because core networking code took care of it.
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But for auto-adjustments after hard-interfaces changes, these events were
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simply missing.
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Due to this problem, non-batman-adv components weren't aware of MTU changes
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and thus couldn't perform their own tasks correctly.
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Fixes: 8009e9f7ac4f ("set bat0 MTU according to the MTUs of the hard interfaces")
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Signed-off-by: Sven Eckelmann <sven@narfation.org>
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Origin: upstream, https://git.open-mesh.org/batman-adv.git/commit/27c4d7c1c7fa39d71ea6ccf1c23bcb4773243800
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--- a/net/batman-adv/hard-interface.c
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+++ b/net/batman-adv/hard-interface.c
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@@ -629,7 +629,7 @@ out:
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*/
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void batadv_update_min_mtu(struct net_device *soft_iface)
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{
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- soft_iface->mtu = batadv_hardif_min_mtu(soft_iface);
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+ dev_set_mtu(soft_iface, batadv_hardif_min_mtu(soft_iface));
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/* Check if the local translate table should be cleaned up to match a
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* new (and smaller) MTU.
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