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NetworkManager/src/devices
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Antonio Cardace 864872e9a8
bridge: force (hack)-set of the MTU when explicitly set in the profile 
Kernel does a auto-mtu adjusting process whenever a port is added/removed from
the bridge, this can cause issues when NM wants to explicitly set an MTU which is
equal to the bridge default one (1500) because if later a port is added with a
different MTU the kernel will assign the bridge that port's MTU resulting in the bridge
runtime configuration differing from the bridge's NM connection profile.

What we can do is to always apply the MTU manually for the bridge (if explicitly
set by the profile), after doing so the kernel won't modify the MTU anymore,
which is what we want, problem is that kernel won't actually apply the MTU
to the netdev if it's not actually changing so we first apply it to
MTU-1 and then to the desired value.

https://bugzilla.redhat.com/show_bug.cgi?id=1778590

Signed-off-by: Antonio Cardace <acardace@redhat.com>
(cherry picked from commit e23798a5e5)
2020-11-02 17:47:26 +01:00
..
adsl all: unify comment style for SPDX-License-Identifier tag 2020-09-29 16:50:53 +02:00
bluetooth all: unify comment style for SPDX-License-Identifier tag 2020-09-29 16:50:53 +02:00
ovs all: unify comment style for SPDX-License-Identifier tag 2020-09-29 16:50:53 +02:00
team all: unify comment style for SPDX-License-Identifier tag 2020-09-29 16:50:53 +02:00
tests all: unify comment style for SPDX-License-Identifier tag 2020-09-29 16:50:53 +02:00
wifi device/wifi: don't reset the SSID of a NMWifiAP to unknown 2020-10-27 14:11:39 +01:00
wwan all: unify comment style for SPDX-License-Identifier tag 2020-09-29 16:50:53 +02:00
meson.build license: Add license using SPDX identifiers to meson build files 2020-02-17 13:16:57 +01:00
nm-acd-manager.c all: unify comment style for SPDX-License-Identifier tag 2020-09-29 16:50:53 +02:00
nm-acd-manager.h all: unify comment style for SPDX-License-Identifier tag 2020-09-29 16:50:53 +02:00
nm-device-6lowpan.c all: unify comment style for SPDX-License-Identifier tag 2020-09-29 16:50:53 +02:00
nm-device-6lowpan.h all: unify comment style for SPDX-License-Identifier tag 2020-09-29 16:50:53 +02:00
nm-device-bond.c all: unify comment style for SPDX-License-Identifier tag 2020-09-29 16:50:53 +02:00
nm-device-bond.h all: unify comment style for SPDX-License-Identifier tag 2020-09-29 16:50:53 +02:00
nm-device-bridge.c bridge: force (hack)-set of the MTU when explicitly set in the profile 2020-11-02 17:47:26 +01:00
nm-device-bridge.h all: unify comment style for SPDX-License-Identifier tag 2020-09-29 16:50:53 +02:00
nm-device-dummy.c all: unify comment style for SPDX-License-Identifier tag 2020-09-29 16:50:53 +02:00
nm-device-dummy.h all: unify comment style for SPDX-License-Identifier tag 2020-09-29 16:50:53 +02:00
nm-device-ethernet-utils.c all: unify comment style for SPDX-License-Identifier tag 2020-09-29 16:50:53 +02:00
nm-device-ethernet-utils.h all: unify comment style for SPDX-License-Identifier tag 2020-09-29 16:50:53 +02:00
nm-device-ethernet.c all: unify comment style for SPDX-License-Identifier tag 2020-09-29 16:50:53 +02:00
nm-device-ethernet.h all: unify comment style for SPDX-License-Identifier tag 2020-09-29 16:50:53 +02:00
nm-device-factory.c all: unify comment style for SPDX-License-Identifier tag 2020-09-29 16:50:53 +02:00
nm-device-factory.h all: unify comment style for SPDX-License-Identifier tag 2020-09-29 16:50:53 +02:00
nm-device-generic.c all: unify comment style for SPDX-License-Identifier tag 2020-09-29 16:50:53 +02:00
nm-device-generic.h all: unify comment style for SPDX-License-Identifier tag 2020-09-29 16:50:53 +02:00
nm-device-infiniband.c all: unify comment style for SPDX-License-Identifier tag 2020-09-29 16:50:53 +02:00
nm-device-infiniband.h all: unify comment style for SPDX-License-Identifier tag 2020-09-29 16:50:53 +02:00
nm-device-ip-tunnel.c all: unify comment style for SPDX-License-Identifier tag 2020-09-29 16:50:53 +02:00
nm-device-ip-tunnel.h all: unify comment style for SPDX-License-Identifier tag 2020-09-29 16:50:53 +02:00
nm-device-logging.h all: unify comment style for SPDX-License-Identifier tag 2020-09-29 16:50:53 +02:00
nm-device-macsec.c all: unify comment style for SPDX-License-Identifier tag 2020-09-29 16:50:53 +02:00
nm-device-macsec.h all: unify comment style for SPDX-License-Identifier tag 2020-09-29 16:50:53 +02:00
nm-device-macvlan.c all: unify comment style for SPDX-License-Identifier tag 2020-09-29 16:50:53 +02:00
nm-device-macvlan.h all: unify comment style for SPDX-License-Identifier tag 2020-09-29 16:50:53 +02:00
nm-device-ppp.c all: unify comment style for SPDX-License-Identifier tag 2020-09-29 16:50:53 +02:00
nm-device-ppp.h all: unify comment style for SPDX-License-Identifier tag 2020-09-29 16:50:53 +02:00
nm-device-private.h all: unify comment style for SPDX-License-Identifier tag 2020-09-29 16:50:53 +02:00
nm-device-tun.c all: unify comment style for SPDX-License-Identifier tag 2020-09-29 16:50:53 +02:00
nm-device-tun.h all: unify comment style for SPDX-License-Identifier tag 2020-09-29 16:50:53 +02:00
nm-device-veth.c all: unify comment style for SPDX-License-Identifier tag 2020-09-29 16:50:53 +02:00
nm-device-veth.h all: unify comment style for SPDX-License-Identifier tag 2020-09-29 16:50:53 +02:00
nm-device-vlan.c all: unify comment style for SPDX-License-Identifier tag 2020-09-29 16:50:53 +02:00
nm-device-vlan.h all: unify comment style for SPDX-License-Identifier tag 2020-09-29 16:50:53 +02:00
nm-device-vrf.c all: unify comment style for SPDX-License-Identifier tag 2020-09-29 16:50:53 +02:00
nm-device-vrf.h all: unify comment style for SPDX-License-Identifier tag 2020-09-29 16:50:53 +02:00
nm-device-vxlan.c all: unify comment style for SPDX-License-Identifier tag 2020-09-29 16:50:53 +02:00
nm-device-vxlan.h all: unify comment style for SPDX-License-Identifier tag 2020-09-29 16:50:53 +02:00
nm-device-wireguard.c all: unify comment style for SPDX-License-Identifier tag 2020-09-29 16:50:53 +02:00
nm-device-wireguard.h all: unify comment style for SPDX-License-Identifier tag 2020-09-29 16:50:53 +02:00
nm-device-wpan.c all: unify comment style for SPDX-License-Identifier tag 2020-09-29 16:50:53 +02:00
nm-device-wpan.h all: unify comment style for SPDX-License-Identifier tag 2020-09-29 16:50:53 +02:00
nm-device.c bridge: force (hack)-set of the MTU when explicitly set in the profile 2020-11-02 17:47:26 +01:00
nm-device.h bridge: force (hack)-set of the MTU when explicitly set in the profile 2020-11-02 17:47:26 +01:00
nm-lldp-listener.c all: unify comment style for SPDX-License-Identifier tag 2020-09-29 16:50:53 +02:00
nm-lldp-listener.h all: unify comment style for SPDX-License-Identifier tag 2020-09-29 16:50:53 +02:00