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NetworkManager/src/core
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Beniamino Galvani 06032aa758 ndisc: preserve router preferences 
If we add multiple default routes with the same metric and different
preferences, kernel merges them into a single ECMP route, with overall
preference equal to the preference of the first route
added. Therefore, the preference of individual routes is not
respected.

To avoid that, add routes with different metrics if they have
different preferences, so that they are not merged together.

We could configure only the route(s) with highest preference ignoring
the others, and the effect would be the same. However, it is better to
add all routes so that users can easily see from "ip route" that there
are multiple routers available.

https://gitlab.freedesktop.org/NetworkManager/NetworkManager/-/issues/1468
https://gitlab.freedesktop.org/NetworkManager/NetworkManager/-/merge_requests/1983

Fixes: 032b4e4371 ('core: use router preference for IPv6 routes')
(cherry picked from commit c437625a76)
(cherry picked from commit 8445076d55)
2024-12-23 13:46:47 +01:00
..
devices wifi: fix list corruption when scanning with explicit SSID 2024-11-26 16:21:43 +01:00
dhcp code format: run code format script 2024-06-28 11:14:22 +00:00
dns libnm: implement "{ipv4,ipv6}.dns-options" as direct STRV property 2023-11-23 17:19:10 +01:00
dnsmasq all: ensure signendess for arguments of NM_{MIN,MAX,CLAMP}() macros matches 2023-08-07 09:24:36 +02:00
ndisc ndisc: preserve router preferences 2024-12-23 13:46:47 +01:00
platform code format: run code format script 2024-06-28 11:14:22 +00:00
ppp ppp: fix plugin name for "rp-pppoe.so" with ppp 2.5 2023-06-14 14:27:25 +02:00
settings agent: print error message character in hex form if it's unprintable 2024-12-23 13:45:54 +01:00
supplicant code format: run code format script 2024-06-28 11:14:22 +00:00
tests dcb: fix test compilation 2024-05-15 12:11:57 +02:00
vpn vpn: allow IP configurations with routes and without addresses 2024-06-17 15:37:08 +02:00
main-utils.c core: Fix unextractable translation string 2023-12-18 15:53:16 +01:00
main-utils.h core: move nm_main_utils_get_nm_[ug]id() to "nm-core-utils.h" 2022-01-18 18:10:55 +01:00
main.c core/dbus: "RequestName" of NetworkManager D-Bus API later to fix race 2023-03-23 13:06:57 +01:00
meson.build HSR: add support to HSR/PRP interface 2023-12-05 08:05:56 +01:00
NetworkManagerUtils.c all: use the new NMSettingConnection port-type property 2024-01-23 08:21:16 +01:00
NetworkManagerUtils.h core: add nm_match_spec_device_data_init_from_platform() helper 2023-06-14 11:07:34 +02:00
nm-act-request.c core: propagate the user-requested reason for act-request disconnection 2023-10-27 18:02:50 +02:00
nm-act-request.h all: use _NM_G_TYPE_CHECK_INSTANCE_CAST() for internal uses 2022-12-16 10:55:03 +01:00
nm-active-connection.c activation: Allow changing controller of exposed active connection 2024-07-19 13:16:47 +02:00
nm-active-connection.h checkpoint: fix port reactivation when controller is deactivating 2024-06-01 17:18:58 +02:00
nm-audit-manager.c core: ignore unused result warning of audit_log_user_message() 2024-03-06 14:38:52 +01:00
nm-audit-manager.h all: use _NM_G_TYPE_CHECK_INSTANCE_CAST() for internal uses 2022-12-16 10:55:03 +01:00
nm-auth-manager.c all: fix deprecated function declaration without a prototype 2022-10-11 17:21:11 +02:00
nm-auth-manager.h all: use _NM_G_TYPE_CHECK_INSTANCE_CAST() for internal uses 2022-12-16 10:55:03 +01:00
nm-auth-utils.c core: avoid getpwuid() unless necessary in permission check 2023-11-14 10:35:12 +01:00
nm-auth-utils.h format: reformat source tree with clang-format 13.0 2021-11-29 09:31:09 +00:00
nm-bond-manager.c bond: don't configure "counter" on nft rules for slb-bonding/mlag 2023-05-10 19:03:40 +02:00
nm-bond-manager.h core: add NMBondManager to handle NTF rules for balance-slb (MLAG) 2022-10-04 12:37:41 +02:00
nm-checkpoint-manager.c core: use nm_dbus_manager_lookup_object_with_type() 2022-03-13 12:02:08 +01:00
nm-checkpoint-manager.h format: reformat source tree with clang-format 13.0 2021-11-29 09:31:09 +00:00
nm-checkpoint.c checkpoint: preserve in-memory state of connections 2024-05-23 13:46:24 +02:00
nm-checkpoint.h all: use _NM_G_TYPE_CHECK_INSTANCE_CAST() for internal uses 2022-12-16 10:55:03 +01:00
nm-config-data.c config: fix crash in assertion during NetworkManager --print-config 2024-06-21 20:40:32 +02:00
nm-config-data.h checkpoint: Allow rollback on internal global DNS 2024-03-20 19:35:42 +01:00
nm-config.c core: persist state of software generic devices across restarts 2024-02-21 11:49:20 +01:00
nm-config.h core: persist state of software generic devices across restarts 2024-02-21 11:49:20 +01:00
nm-connectivity.c all: use NM_MIN() instead of MIN() 2023-11-15 09:32:20 +01:00
nm-connectivity.h code format: run code format script 2024-06-28 11:14:22 +00:00
nm-core-utils.c code format: run code format script 2024-06-28 11:14:22 +00:00
nm-core-utils.h code format: run code format script 2024-06-28 11:14:22 +00:00
nm-dbus-manager.c all: use NM_MIN() instead of MIN() 2023-11-15 09:32:20 +01:00
nm-dbus-manager.h core/dbus: split RequestName D-Bus call out of initialization for NMDBusManager 2023-03-23 13:06:57 +01:00
nm-dbus-object.c format: reformat source tree with clang-format 13.0 2021-11-29 09:31:09 +00:00
nm-dbus-object.h all: use _NM_G_TYPE_CHECK_INSTANCE_CAST() for internal uses 2022-12-16 10:55:03 +01:00
nm-dbus-utils.c dbus: add helper macros for GDBusAnnotationInfo 2024-01-16 09:28:17 +01:00
nm-dbus-utils.h dbus: add helper macros for GDBusAnnotationInfo 2024-01-16 09:28:17 +01:00
nm-dcb.c format: reformat source tree with clang-format 13.0 2021-11-29 09:31:09 +00:00
nm-dcb.h format: reformat source tree with clang-format 13.0 2021-11-29 09:31:09 +00:00
nm-default-daemon.h libnm: move nm-errors.h include away from nm-connection.h 2022-11-13 23:36:37 +01:00
nm-dhcp-config.c all: use _NM_G_TYPE_CHECK_INSTANCE_CAST() for internal uses 2022-12-16 10:55:03 +01:00
nm-dhcp-config.h all: use _NM_G_TYPE_CHECK_INSTANCE_CAST() for internal uses 2022-12-16 10:55:03 +01:00
nm-dispatcher.c device: support creating generic devices via device-handler 2024-02-21 11:49:19 +01:00
nm-dispatcher.h dispatcher: read device-handler's stdout into a dictionary 2024-02-21 11:49:17 +01:00
nm-firewall-utils.c all: replace NMP_IFNAMSIZ with NM_IFNAMSIZ 2023-05-30 08:51:10 +02:00
nm-firewall-utils.h bond: don't configure "counter" on nft rules for slb-bonding/mlag 2023-05-10 19:03:40 +02:00
nm-firewalld-manager.c format: reformat source tree with clang-format 13.0 2021-11-29 09:31:09 +00:00
nm-firewalld-manager.h all: use _NM_G_TYPE_CHECK_INSTANCE_CAST() for internal uses 2022-12-16 10:55:03 +01:00
nm-hostname-manager.c hostname: combine implementations of read_hostname() for Gentoo and Slackware 2023-02-08 09:51:25 +01:00
nm-hostname-manager.h all: use _NM_G_TYPE_CHECK_INSTANCE_CAST() for internal uses 2022-12-16 10:55:03 +01:00
nm-ip-config.c core: mark deprecated D-Bus API as deprecated in Introspect() 2024-01-16 09:28:18 +01:00
nm-ip-config.h core: rate-limit updates to IP addresses/routes on D-Bus API 2023-11-30 15:41:43 +01:00
nm-keep-alive.c doc: replace all (allow-none) annotations by (optional) and/or (nullable) 2023-03-27 11:49:43 +02:00
nm-keep-alive.h all: use _NM_G_TYPE_CHECK_INSTANCE_CAST() for internal uses 2022-12-16 10:55:03 +01:00
nm-l3-config-data.c core: add nm_l3_config_data_set_allow_routes_without_address() 2024-06-17 15:37:08 +02:00
nm-l3-config-data.h core: add nm_l3_config_data_set_allow_routes_without_address() 2024-06-17 15:37:08 +02:00
nm-l3-ipv4ll.c all: use NM_HASH_SEED_16() macro 2023-11-14 14:15:42 +01:00
nm-l3-ipv4ll.h all: fix various "-Wcast-align=strict" warnings 2022-12-09 09:15:56 +01:00
nm-l3-ipv6ll.c core: improve logging of used IPv6 interface identifier 2023-05-19 12:51:58 +02:00
nm-l3-ipv6ll.h format: reformat source tree with clang-format 13.0 2021-11-29 09:31:09 +00:00
nm-l3cfg.c core: rename l3cd's "dhcp_enabled" to "allow_routes_without_address" 2024-06-17 15:37:08 +02:00
nm-l3cfg.h core/trivial: fix typo in code comment 2023-10-19 16:31:31 +02:00
nm-manager.c activation: Allow changing controller of exposed active connection 2024-07-19 13:16:47 +02:00
nm-manager.h checkpoint: Allow rollback on internal global DNS 2024-03-20 19:35:42 +01:00
nm-netns.c netns: schedule a commit when a single-hop route is merged 2023-12-04 17:00:13 +01:00
nm-netns.h core: remove unused tag-less API from nm_netns_watcher*() 2023-03-21 15:58:46 +01:00
nm-pacrunner-manager.c glib-aux: rename IP address related helpers from "nm-inet-utils.h" 2022-08-25 19:05:51 +02:00
nm-pacrunner-manager.h all: use _NM_G_TYPE_CHECK_INSTANCE_CAST() for internal uses 2022-12-16 10:55:03 +01:00
nm-policy.c policy: assert that the auto-activate list is empty on dispose 2024-12-23 13:46:32 +01:00
nm-policy.h core: expose and rename nm_policy_device_recheck_auto_activate_schedule() 2023-04-27 08:35:27 +02:00
nm-priv-helper-call.c nm-sudo: rename to nm-priv-helper 2022-01-11 21:46:55 +01:00
nm-priv-helper-call.h nm-sudo: rename to nm-priv-helper 2022-01-11 21:46:55 +01:00
nm-rfkill-manager.c platform: remove CSME related code 2023-09-25 11:46:24 +00:00
nm-rfkill-manager.h platform: remove CSME related code 2023-09-25 11:46:24 +00:00
nm-session-monitor.c all: prefer nm wrappers to automatically attach GSource to default context 2022-03-13 11:59:42 +01:00
nm-session-monitor.h all: use _NM_G_TYPE_CHECK_INSTANCE_CAST() for internal uses 2022-12-16 10:55:03 +01:00
nm-sleep-monitor.c glib-aux: rename _nm_dbus_signal_connect{,_data}() to _nm_dbus_proxy_*() 2022-11-14 08:05:47 +01:00
nm-sleep-monitor.h all: use _NM_G_TYPE_CHECK_INSTANCE_CAST() for internal uses 2022-12-16 10:55:03 +01:00
nm-test-utils-core.h all: replace NMP_IFNAMSIZ with NM_IFNAMSIZ 2023-05-30 08:51:10 +02:00
nm-types.h code format: run code format script 2024-06-28 11:14:22 +00:00
org.freedesktop.NetworkManager.conf all: move "src/" directory to "src/core/" 2021-02-08 09:56:41 +01:00
README.l3cfg.md core: rework IP configuration in NetworkManager using layer 3 configuration 2021-11-18 16:21:29 +01:00
README.md all: add some README.md files describing the purpose of our sources 2021-08-19 17:51:11 +02:00
README.next.ip-config.md core: rework IP configuration in NetworkManager using layer 3 configuration 2021-11-18 16:21:29 +01:00

README.md

core

The source code of the NetworkManager daemon.

NetworkManager is a daemon that provides a D-Bus API and a file-based API for configuring the network on a Linux host.

This is the daemon source code.