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Author SHA1 Message Date
Yu Watanabe 956dbf361b network: warn if dynamic gateway is specified but corresponding protocol is disabled 2020-10-15 07:07:46 +09:00
Yu Watanabe 22d37e5df6 network: introduce network_adjust_dhcp() 2020-10-15 07:06:58 +09:00
Yu Watanabe 3773eb5485 network: introduce network_adjust_ipv6_accept_ra() 2020-10-15 07:06:36 +09:00
Yu Watanabe c27abcf4fb network: when Gateway=_dhcp4, set several properties based on lease if they are not explicitly specified 
Before this commit, event when Gateway=_dhcp4 or _ra is set, the
route was configured with 'protocol static', and other properties
specified by RouteTable=, RouteMTU=, or etc, were ignored.

This commit makes set the route protocol based on the protocol the
gateway address is obtained, and apply other settings if it is not
explicitly specified in the [Route] section.
 2020-10-15 07:06:23 +09:00
Yu Watanabe 5bb80a4603 network: determine a [Route] section will be used or not by gateway family instead of route family 
By this commit, user can configure dynamic IPv6 Gateway with IPv4
destination.
 2020-10-15 07:06:03 +09:00
Yu Watanabe c3d679c43f network: when Gateway=_dhcp, assume gateway family based on other settings 2020-10-15 07:05:58 +09:00
Yu Watanabe b8caa4ef34 network: rename Gateway=_dhcp6 -> Gateway=_ipv6ra 2020-10-15 07:04:02 +09:00
Yu Watanabe 1a3a6309a7 network: rename gateway_from_dhcp -> gateway_from_dhcp_or_ra 
As for IPv6 case gateway is given by RA.
 2020-10-15 06:58:53 +09:00
Yu Watanabe fd8f865c9f
Merge pull request #17342 from yuwata/network-dhcp-ipv4-acd-fixes 
network: fixes several issues in IPv4 DAD for DHCP4
 2020-10-14 23:12:41 +09:00
Zbigniew Jędrzejewski-Szmek 540e0bad3e
Merge pull request #17316 from yuwata/network-address-ipv4-peer-issue-17304 
network: directly compare with in_addr element for IPv4 case
 2020-10-14 15:02:14 +02:00
Yu Watanabe dfc637d0ff
Merge pull request #17341 from yuwata/sd-dhcp-client-fix-eexist-issue-16964 
sd-dhcp: make sd_dhcp_client_set_request_option() not return -EEXIST
 2020-10-14 18:55:39 +09:00
Yu Watanabe 0e569a439a network: start dynamic addressing clients like DHCP after setting netdevs 
The function link_acquire_conf() may make the link state 'configuring'
when DHCP6 PD is enabled. Previously link_acquire_conf() was called
before link_enter_join_netdev(), and thus the assertion in the function
might be triggered.

Fixes #17329.
 2020-10-14 10:52:02 +02:00
Yu Watanabe 5431227400 network: update MAC address in IPv4ACD client for DHCP4 2020-10-14 15:38:29 +09:00
Yu Watanabe a7df5cae54 network: also stop IPv4ACD client in link_stop_clients() 2020-10-14 15:38:29 +09:00
Yu Watanabe 66f507e1ba network: stop IPv4ACD client for DHCPv4 when lease is exprired 2020-10-14 15:38:29 +09:00
Yu Watanabe 10fa21c0dc network: move IPv4ACD client for DHCPv4 from Network to Link object 
A .network file may matches multiple interfaces.
 2020-10-14 15:38:29 +09:00
Yu Watanabe 8ff85383b4 network: voidify link_stop_clients() in link_enter_failed() 2020-10-14 15:38:29 +09:00
Yu Watanabe 4eb6a826b8 network: drop unused condition 2020-10-14 13:02:46 +09:00
Yu Watanabe b1476b5210 network: constify arguments 2020-10-13 20:30:38 +09:00
Yu Watanabe fe841414ef network: read peer address, label, broadcast from rtnl message 
Then, Address objects in Network and Link can be easily compared by
address_equal().
 2020-10-13 20:30:35 +09:00
Yu Watanabe 9b9c5fff16 network: directly compare with in_addr element for IPv4 case 
When peer address is set, address_compare_func() (or address_equal())
does not work in link_is_static_address_configured(), as an Address object
stored in a Link does not contain peer addresses. So, we need to also
compare with in_addr element for IPv4 case.

Fixes #17304.
 2020-10-13 20:30:16 +09:00
Frantisek Sumsal d46b79bbe0 tree-wide: drop if braces around single line expressions as well 2020-10-09 15:11:55 +02:00
Frantisek Sumsal d7a0f1f4f9 tree-wide: assorted coccinelle fixes 2020-10-09 15:02:23 +02:00
Zbigniew Jędrzejewski-Szmek 081b300976 networkd: add assert to appease coverity 
The code was OK, but not obviously so. Let's add an assert to help a
human or nonhuman reader figure it out.

Coverity CID#1433224.
 2020-10-09 08:14:54 +02:00
Yu Watanabe ceea6c1aff network: introduce IPV4_ADDRESS_FMT_STR macro 
This also moves ADDRESS_FMT_VAL() macro to networkd-address.h, and
renames it to IPV4_ADDRESS_FMT_VAL().
 2020-10-08 02:51:23 +09:00
Yu Watanabe d442bb3728 network: make Gateway= in [Route] section accept an empty string 2020-10-08 02:51:23 +09:00
Yu Watanabe d306d1d0ca network: introduce Gateway=_dhcp4 and _dhcp6, and deprecate "_dhcp" 
Fixes #17249.
 2020-10-08 02:51:23 +09:00
Yu Watanabe f9bb333832 network: manage multipath routes separately 2020-10-08 02:51:23 +09:00
Yu Watanabe 2fe1d557e5 sd-netlink: introduce rtattr_read_nexthop() 2020-10-08 02:51:23 +09:00
Yu Watanabe d6ad41e27d network: free Route object when route_remove() fails 
When route_remove() succeeds, the Route object will be freed later by
manager_rtnl_process_route().
 2020-10-08 02:51:23 +09:00
Yu Watanabe 423c249c2e network: constify arguments 2020-10-08 02:51:23 +09:00
Yu Watanabe 6dd5398137 network: support IPv4 route with IPv6 gateway 2020-10-08 00:06:19 +09:00
Yu Watanabe ad208fac73 network: also manage routes without RTA_OIF attribute 2020-10-07 15:22:10 +02:00
Yu Watanabe fd7701bf31 network: ignore Scope= for IPv6 routes as it will not be used 2020-10-07 15:22:10 +02:00
Yu Watanabe 8973df5c42 network: set default priority for IPv6 routes 
See inet6_rtm_newroute() in kernel's net/ipv6/route.c.
 2020-10-07 15:22:09 +02:00
Yu Watanabe 13ffa39f8e network: rename network_verify_xxx() -> network_drop_invalid_xxx() 
As 'verify' implies a boolean result.
 2020-10-07 03:22:03 +09:00
Yu Watanabe 494b6b43cb network: fix masquerade setting logic 
Previously, address_establish() took Address object stored in Network
object. And address_release() took Address object stored in Link
object. Thus, address_release() always did nothing.
 2020-10-07 03:13:26 +09:00
Yu Watanabe cd1caf30c0 network: always use RT_SCOPE_HOST for IPv4 loopback addresses 
For IPv6 case, use RT_SCOPE_HOST only when scope is not explicitly specified.
 2020-10-07 03:13:18 +09:00
Yu Watanabe d93d655c40 network: update MAC address in IPv4 ACD clients 
When the MAC address of a link is updated, an address on the link may
be under checking address duplication. Or, (currently such code is not
implemented yet, but) address duplication check may be restarted later.
For that case, the IPv4 ACD clients must use the new updated MAC address.
 2020-10-07 02:59:34 +09:00
Yu Watanabe 490ccbd5e5 network: configure IPv4 DAD per link address 
Previously, IPv4 DAD is configured in each Address object stored in
Network object. If a .network file matches multipe links, then it causes
an assertion. To prevent it, now IPv4 DAD is configured in each Address
object belogs to Link object.
 2020-10-07 02:57:58 +09:00
Yu Watanabe 693ec5ca83 network: constify one argument 2020-10-07 02:57:54 +09:00
Yu Watanabe cde1f0e8fc network: introduce address_copy() 2020-10-07 02:54:01 +09:00
Yu Watanabe eaff204f09 network: do not update Address::flags in address_configure() 2020-10-07 02:50:51 +09:00
Yu Watanabe f5ee7d74af network: fix indentation 2020-10-07 02:50:51 +09:00
Yu Watanabe 4cf8500067 network: use sd_event stored in Manager 2020-10-07 02:50:51 +09:00
Yu Watanabe 2ffd6d73f9 network: check feature is enabled in xxx_configure() 2020-10-07 02:50:51 +09:00
Yu Watanabe 51f5dfd8ba network: move link_enumerate_ipv6_tentative_addresses() 2020-10-07 02:50:51 +09:00
Yu Watanabe acc9fc2f51 network: drop unused function 2020-10-07 02:50:51 +09:00
Yu Watanabe 5e0534f1c1 network: move sysctl related functions to networkd-sysctl.c 2020-10-07 02:50:51 +09:00
Yu Watanabe be9363ccab network: introduce radv_update_mac() 2020-10-07 02:50:51 +09:00