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NetworkManager/src/platform
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Thomas Haller 02ad6416fd
platform: add flags to NMPlatformIP[46]Route to allow overriding the route table and metric 
When we (for example) receive a DHCP lease, we track the routes that
should be configured via NMPlatformIP[46]Route instances. Thus, this
structure does not only track the routes that are configured (and
cached in NMPlatform), but it is also used to track the routes that
we want to configure.

This is also the case with the "rt_source" field, which represents the
NMIPConfigSource enum for routes that we want to configure, but
for routes in the cache it corresponds to rtm_protocol.

Note that NMDhcpClient creates NMIP4Config instances, which tracks the
routes as NMPlatformIP4Route instances. Previously, NMDhcpClient didn't
have any way to leave the table/metric undecided, but this information
isn't part of the DHCP lease tself. Instead, NMDevice knows the table/metric
to use. This has various problems:

  - NMDhcpClient needs to know the table/metric, for no other purpose
    than to set the value when creating the NMIP4Config instance for the
    lease. We first pass the information down, only so that it can be
    returned with the lease information.

  - during reapply or when connectivity check changes, the effectively
    used table/metric can change. Previously, we would have to
    re-generate the NMIP4Config instances.

Improve that by allowing to leave the table/metric undecided. Higher
layers can decide the effective metric to use.
2020-09-30 09:49:21 +02:00
..
linux format: manually replace remaining tabs with spaces and reformat 2020-09-29 09:12:27 +02:00
tests all: unify comment style for SPDX-License-Identifier tag 2020-09-29 16:50:53 +02:00
wifi all: unify comment style for SPDX-License-Identifier tag 2020-09-29 16:50:53 +02:00
wpan all: unify comment style for SPDX-License-Identifier tag 2020-09-29 16:50:53 +02:00
nm-fake-platform.c all: unify comment style for SPDX-License-Identifier tag 2020-09-29 16:50:53 +02:00
nm-fake-platform.h all: unify comment style for SPDX-License-Identifier tag 2020-09-29 16:50:53 +02:00
nm-linux-platform.c platform: add flags to NMPlatformIP[46]Route to allow overriding the route table and metric 2020-09-30 09:49:21 +02:00
nm-linux-platform.h all: unify comment style for SPDX-License-Identifier tag 2020-09-29 16:50:53 +02:00
nm-netlink.c all: unify comment style for SPDX-License-Identifier tag 2020-09-29 16:50:53 +02:00
nm-netlink.h all: unify comment style for SPDX-License-Identifier tag 2020-09-29 16:50:53 +02:00
nm-platform-private.h all: unify comment style for SPDX-License-Identifier tag 2020-09-29 16:50:53 +02:00
nm-platform-utils.c all: unify comment style for SPDX-License-Identifier tag 2020-09-29 16:50:53 +02:00
nm-platform-utils.h all: unify comment style for SPDX-License-Identifier tag 2020-09-29 16:50:53 +02:00
nm-platform.c platform: add flags to NMPlatformIP[46]Route to allow overriding the route table and metric 2020-09-30 09:49:21 +02:00
nm-platform.h platform: add flags to NMPlatformIP[46]Route to allow overriding the route table and metric 2020-09-30 09:49:21 +02:00
nmp-netns.c all: unify comment style for SPDX-License-Identifier tag 2020-09-29 16:50:53 +02:00
nmp-netns.h all: unify comment style for SPDX-License-Identifier tag 2020-09-29 16:50:53 +02:00
nmp-object.c all: unify comment style for SPDX-License-Identifier tag 2020-09-29 16:50:53 +02:00
nmp-object.h all: unify comment style for SPDX-License-Identifier tag 2020-09-29 16:50:53 +02:00
nmp-rules-manager.c all: unify comment style for SPDX-License-Identifier tag 2020-09-29 16:50:53 +02:00
nmp-rules-manager.h all: unify comment style for SPDX-License-Identifier tag 2020-09-29 16:50:53 +02:00