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Commit Graph
491 Commits
Author SHA1 Message Date
Yu Watanabe b4d6ae63ba network: split netdev_create() into two 2022-02-26 05:49:52 +09:00
Yu Watanabe 9aa2585e2f network: assign corresponding NetDev object to Link 2022-02-26 05:49:52 +09:00
Yu Watanabe c2b19b8f70 network/netdev: drop unused argument 2022-02-26 05:49:52 +09:00
Yu Watanabe fef805b9fa network/netdev: do not assign value on failure 2022-02-26 05:49:52 +09:00
Yu Watanabe 047b9991a4 network: create stacked netdevs after the underlying link is activated 
Otherwise, the activation policy for the netdevs are ignored.

Fixes #22593.
 2022-02-24 08:37:26 +09:00
Yu Watanabe dedf2d0054 network: add support to create wlan virtual interface 
Closes #18977.
 2022-02-15 23:24:55 +09:00
Yu Watanabe 1d4312d5f9 network: netdev: add flag to skip kind check 
It will be used in later commit.
 2022-02-15 16:06:43 +09:00
Yu Watanabe 5d4a925af0 network: netdev: use request queue to create independent netdevs 2022-02-15 16:06:37 +09:00
Yu Watanabe efa7b8adde network: netdev: increment reference counter on request 
Otherwise, it may be freed on reload.
 2022-02-15 15:54:02 +09:00
Yu Watanabe d708bc6e4f network: netdev: make netdev_is_ready_to_create() return negative errno on fatal error 2022-02-15 15:54:02 +09:00
Yu Watanabe 709055dabb network: rename REQUEST_TYPE_STACKED_NETDEV -> REQUEST_TYPE_NETDEV_STACKED 2022-02-15 15:54:02 +09:00
Yu Watanabe 6eb35be8e0 network: bridge: fix endian of vlan protocol 
Fixes #22469.
 2022-02-10 17:47:17 +09:00
Luca Boccassi 0b0ad494a0 Merge pull request #22458 from poettering/parse-safe-string 
some safety tweaks to conf-parser.[ch]
 2022-02-09 16:59:14 +00:00
Lennart Poettering a99a85242c tree-wide: use config_parse_safe_string() at various places 2022-02-09 10:17:33 +01:00
Yu Watanabe 89346ac6f6 network: coding style fixes 2022-02-09 14:35:25 +09:00
Yu Watanabe 1ae308abb5 network: tunnel: support external mode 
Closes #22352.
 2022-02-03 11:12:01 +09:00
Yu Watanabe acd8abb7f9 network: tunnel: reorder setting ip6tnl attributes 
Just for improving readability.
 2022-02-03 11:10:15 +09:00
Yu Watanabe a07e07cd9c network: tunnel: reduce indentation in config_parse_encap_limit() 2022-02-03 11:10:15 +09:00
Yu Watanabe 59c8bef008 network: tunnel: reduce indentation in config_parse_ipv6_flowlabel() 2022-02-03 11:10:15 +09:00
Yu Watanabe 396dfe0a14 network: tunnel: use "data" field to assign result 2022-02-03 11:10:15 +09:00
Yu Watanabe fd11005951 network: xfrm: refuse zero interface ID 
Since kernel 5.17-rc1, 5.16.3, and 5.15.17 (more specifically,
https://github.com/torvalds/linux/commit/8dce43919566f06e865f7e8949f5c10d8c2493f5)
the kernel refuses to create an xfrm interface with zero ID.
 2022-02-01 13:15:11 +09:00
Yu Watanabe 307fe3cdf2 network: rename NetworkConfigSection -> ConfigSection 
And move it and relevant functions to conf-parser.[ch].
 2022-01-19 14:57:59 +09:00
Yu Watanabe e135559d80 network: wireguard: also accept negative boolean values to disable adding routes 
RouteTable=off was introduced to provide consistency with wg-quick
command. This makes the RouteTable= settings accepts other negative
boolean values.
 2022-01-16 19:25:28 +09:00
Yu Watanabe cfe1237f38 network: wireguard: do not add routes to AllowedIPs= by default 
As setting such routes may break existing setups.

Closes #21964.
 2022-01-16 19:18:23 +09:00
Zbigniew Jędrzejewski-Szmek f2b78e0e91 network: split out dhcp4_pd_create_6rd_tunnel_message(), simplify logging 2022-01-05 11:45:16 +01:00
Zbigniew Jędrzejewski-Szmek 51762897c6 network: adjust log message about MACsec associations 2022-01-05 11:45:11 +01:00
Zbigniew Jędrzejewski-Szmek 9e369704a8 network: simplify logging in macsec netdev code 2022-01-05 11:43:36 +01:00
Zbigniew Jędrzejewski-Szmek b471fc9456 network: simplify logging in l2tp_create_session() and l2tp_create_tunnel() 
All the detailed logging is replaced by a simple "Failed to create netlink message",
which should be enough for the user in the unlikely case that this ever fails.
 2022-01-05 11:43:36 +01:00
Zbigniew Jędrzejewski-Szmek eff692502b network: move logging from ipoib_set_netlink_message() to the caller 2022-01-05 11:43:28 +01:00
Zbigniew Jędrzejewski-Szmek 2f64865b0e network: split out netdev_fill_fou_tunnel_message(), simplify logging 2022-01-05 11:41:29 +01:00
Zbigniew Jędrzejewski-Szmek 0c50cb50bd network: split out netdev_create_message(), simplify logging 2022-01-05 11:41:29 +01:00
Zbigniew Jędrzejewski-Szmek 81f01be0b8 network: replace more detailed netlink append messages 
Some refactoring was needed here to avoid duplicate messages.
Some select-and-paste errors were fixed on the way.

systemd-networkd is thinner by 8k.
 2022-01-05 11:41:29 +01:00
Zbigniew Jędrzejewski-Szmek d15cba9647 network: use SYNTHETIC_ERRNO in one more place 2022-01-05 11:41:29 +01:00
Zbigniew Jędrzejewski-Szmek 5b80ecea55 network: replace detailed netlink append messages with a single generic message 
This commit is the first in the series, and they generally follow the same
idea: we had very detailed logging for message append operations which would
only fail either with some type error or intrinsic limit (and then they would
fail everywhere, so this would be noticed during development or in CI), or they
would fail with ENOMEM, in which case the exact location is not very interesting
since this is not repeatable.

I am in general in favour of detailed logging messages, because it helps with
diagnosis of errors, but I think case is an exception. Despite not being very
useful, those messages required a lot of effort, because they were customized
for each and every append operation. In fact some of the messages contained copy
errors. The text of the messages (since they are generally unique) also added up
to a considerable size.

This removes the log messages after each sd_netlink_message_append_*() in
fill_message_create() with a single line in netdev_create(). As described
above, we are just appending fields to a message, so those calls would almost
never fail.

A forgotten 'return' was added in one place.

$ size build/systemd-networkd{.0,}
   text	   data	    bss	    dec	    hex	filename
1878634	 394016	     36	2272686	 22adae	build/systemd-networkd.0
1842450	 394080	     36	2236566	 222096	build/systemd-networkd

… so we save 30k too.
 2022-01-05 11:36:04 +01:00
Yu Watanabe af670fc635 network: wireguard: warn about invalid allowed IP addresses 
But handle them gracefully. Otherwise, when the route to the address is
being configured, kernel refuse the route.

Note that kernel's wireguard module handle e.g. 192.168.10.3/24 as
192.168.10.0/24.

Fixes #21929.
 2021-12-31 02:31:09 +09:00
Yu Watanabe b886649c95 network: vxlan: support to select an address assigned on underlying interface as local address 2021-12-25 15:32:06 +09:00
Yu Watanabe 7726526cc6 Merge pull request #21648 from yuwata/network-tunnel-local-automatic-address-selection 
network: tunnel: automatic local address selection
 2021-12-25 15:05:13 +09:00
Yu Watanabe fe87807eaa network: dhcp-pd: do not stack 6rd sit tunnel 2021-12-18 10:09:07 +09:00
Frantisek Sumsal c0a2e0cc24 network: a couple of tweaks suggested by Coccinelle 2021-12-18 08:36:07 +09:00
Yu Watanabe 2be25d7557 network: tunnel: support to set an address assigned on underlying interface as local address 
Closes #18732.
 2021-12-12 13:42:45 +09:00
Yu Watanabe 6d1b59cec4 network/netdev: introduce link_get_local_address() 
It will be used in later commits.
 2021-12-12 13:41:48 +09:00
Yu Watanabe 562729d744 network/netdev: introduce .is_ready_to_create() entry in netdev vtable 2021-12-12 13:41:39 +09:00
Zbigniew Jędrzejewski-Szmek dc79ae23fb Merge pull request #21664 from yuwata/network-tunnel-cleanups 
network: several cleanups for tunnel device
 2021-12-11 17:17:40 +01:00
Yu Watanabe bb916f350a network: call link_check_ready() when all stacked netdevs are created 
Follow-up for 879377cad5.

Otherwise, the underlying interface may stuck in configuring state.
 2021-12-08 18:40:13 +09:00
Yu Watanabe a88f3913cf network: tunnel: unify init functions for tunnels 2021-12-08 01:54:01 +09:00
Yu Watanabe fbe0139f1a network: tunnel: introduce TUNNEL() helper function 2021-12-08 01:54:01 +09:00
Yu Watanabe 9e29133085 network: tunnel: create tunnels with AssignToLoopback=yes independently of .network file 2021-12-08 01:54:01 +09:00
Yu Watanabe e49bad0179 network: dhcp-pd: add 6rd support 
Closes #19152.
 2021-12-07 20:33:16 +09:00
Yu Watanabe 543240f593 network/netdev: drop spurious state from the condition to create stacked netdevs 
Stacked netdevs are requested when the underlying interface is in
configuring state.
 2021-12-07 15:58:25 +09:00
Yu Watanabe f7144e7b0f network/netdev: create stacked netdevs after all set-link operations are finished 
E.g. setting MAC address must be done before creating VLAN interface.
 2021-12-07 15:58:25 +09:00