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42 lines
1.6 KiB
42 lines
1.6 KiB
5 years ago
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From 89af6353940018621493764927a3f10335084628 Mon Sep 17 00:00:00 2001
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From: Beniamino Galvani <bgalvani@redhat.com>
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Date: Fri, 26 Apr 2019 10:49:21 +0200
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Subject: [PATCH] device: fix reapply of MTU
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When we set the MTU on the link we remember its previous source
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(ip-config, parent-device or connection profile) and don't change it
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again afterwards to avoid interfering with user's manual changes. The
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only exceptions when we change it again are (1) if the parent device
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MTU changes and (2) if the new MTU has higher priority than the one
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previously set.
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To allow a live reapply of the MTU property we also need to clear the
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saved source, or the checks described above will prevent setting the
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new value.
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Fixes: 2f8917237fdf ('device: rework mtu priority handling')
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https://bugzilla.redhat.com/show_bug.cgi?id=1702657
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(cherry picked from commit 4ed72fa658c03790700ba9084e9328fe38afdee9)
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(cherry picked from commit e738479bdd714f754aa311bada3315147efab376)
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---
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src/devices/nm-device.c | 3 +++
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1 file changed, 3 insertions(+)
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diff --git a/src/devices/nm-device.c b/src/devices/nm-device.c
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index b909f0ddf..8ae64b968 100644
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--- a/src/devices/nm-device.c
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+++ b/src/devices/nm-device.c
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@@ -11312,6 +11312,9 @@ check_and_reapply_connection (NMDevice *self,
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s_ip6_old = nm_connection_get_setting_ip6_config (con_old);
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s_ip6_new = nm_connection_get_setting_ip6_config (con_new);
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+ /* Allow reapply of MTU */
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+ priv->mtu_source = NM_DEVICE_MTU_SOURCE_NONE;
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+
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nm_device_reactivate_ip4_config (self, s_ip4_old, s_ip4_new);
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nm_device_reactivate_ip6_config (self, s_ip6_old, s_ip6_new);
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--
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2.20.1
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