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https://github.com/systemd/systemd.git
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Merge pull request #1241 from ssahani/net
networkd: add support for accept ra
This commit is contained in:
Lennart Poettering
commit
16a012b1d0
@ -407,6 +407,14 @@
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default setting will be left in place. Defaults to
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<literal>no</literal>.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><varname>IPv6AcceptRouterAdvertisements=</varname></term>
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<listitem><para>Configures Accept Router Advertisements.
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This is enabled if local forwarding is disabled.
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Disabled if local forwarding is enabled.
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Takes a boolean. Defaults to unset.
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</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><varname>Bridge=</varname></term>
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<listitem>
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@ -1789,6 +1789,45 @@ static int link_set_ipv6_privacy_extensions(Link *link) {
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return 0;
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}
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static int link_set_ipv6_accept_ra(Link *link) {
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const char *p = NULL, *v = NULL;
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bool b;
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int r;
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/* Make this a NOP if IPv6 is not available */
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if (!socket_ipv6_is_supported())
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return 0;
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if (link->flags & IFF_LOOPBACK)
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return 0;
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/* if unset check the ip forwarding setting maintained for the interface
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* and then set it to depending on that. enabled if local forwarding
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* is disabled. disabled if local forwarding is enabled.
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*/
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if (link->network->ipv6_accept_ra < 0) {
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if (IN_SET(link->network->ip_forward, ADDRESS_FAMILY_YES, ADDRESS_FAMILY_IPV6))
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b = false;
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else
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b = true;
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} else
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b = link->network->ipv6_accept_ra;
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p = strjoina("/proc/sys/net/ipv6/conf/", link->ifname, "/accept_ra");
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v = one_zero(b);
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r = write_string_file(p, v, 0);
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if (r < 0) {
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/* If the right value is set anyway, don't complain */
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if (verify_one_line_file(p, v) > 0)
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return 0;
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log_link_warning_errno(link, r, "Cannot configure IPv6 accept_ra for interface: %m");
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}
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return 0;
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}
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static int link_configure(Link *link) {
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int r;
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@ -1812,6 +1851,10 @@ static int link_configure(Link *link) {
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if (r < 0)
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return r;
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r = link_set_ipv6_accept_ra(link);
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if (r < 0)
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return r;
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if (link_ipv4ll_enabled(link)) {
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r = ipv4ll_configure(link);
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if (r < 0)
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@ -15,88 +15,89 @@ struct ConfigPerfItem;
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%struct-type
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%includes
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%%
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Match.MACAddress, config_parse_hwaddr, 0, offsetof(Network, match_mac)
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Match.Path, config_parse_strv, 0, offsetof(Network, match_path)
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Match.Driver, config_parse_strv, 0, offsetof(Network, match_driver)
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Match.Type, config_parse_strv, 0, offsetof(Network, match_type)
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Match.Name, config_parse_ifnames, 0, offsetof(Network, match_name)
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Match.Host, config_parse_net_condition, CONDITION_HOST, offsetof(Network, match_host)
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Match.Virtualization, config_parse_net_condition, CONDITION_VIRTUALIZATION, offsetof(Network, match_virt)
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Match.KernelCommandLine, config_parse_net_condition, CONDITION_KERNEL_COMMAND_LINE, offsetof(Network, match_kernel)
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Match.Architecture, config_parse_net_condition, CONDITION_ARCHITECTURE, offsetof(Network, match_arch)
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Link.MACAddress, config_parse_hwaddr, 0, offsetof(Network, mac)
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Link.MTUBytes, config_parse_iec_size, 0, offsetof(Network, mtu)
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Network.Description, config_parse_string, 0, offsetof(Network, description)
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Network.Bridge, config_parse_netdev, 0, offsetof(Network, bridge)
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Network.Bond, config_parse_netdev, 0, offsetof(Network, bond)
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Network.VLAN, config_parse_netdev, 0, 0
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Network.MACVLAN, config_parse_netdev, 0, 0
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Network.MACVTAP, config_parse_netdev, 0, 0
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Network.IPVLAN, config_parse_netdev, 0, 0
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Network.VXLAN, config_parse_netdev, 0, 0
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Network.Tunnel, config_parse_tunnel, 0, 0
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Network.DHCP, config_parse_dhcp, 0, offsetof(Network, dhcp)
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Network.DHCPServer, config_parse_bool, 0, offsetof(Network, dhcp_server)
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Network.LinkLocalAddressing, config_parse_address_family_boolean, 0, offsetof(Network, link_local)
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Network.IPv4LLRoute, config_parse_bool, 0, offsetof(Network, ipv4ll_route)
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Network.IPv6Token, config_parse_ipv6token, 0, offsetof(Network, ipv6_token)
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Network.LLDP, config_parse_bool, 0, offsetof(Network, lldp)
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Network.Address, config_parse_address, 0, 0
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Network.Gateway, config_parse_gateway, 0, 0
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Network.Domains, config_parse_domains, 0, offsetof(Network, domains)
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Network.DNS, config_parse_strv, 0, offsetof(Network, dns)
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Network.LLMNR, config_parse_resolve, 0, offsetof(Network, llmnr)
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Network.NTP, config_parse_strv, 0, offsetof(Network, ntp)
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Network.IPForward, config_parse_address_family_boolean_with_kernel,0, offsetof(Network, ip_forward)
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Network.IPMasquerade, config_parse_bool, 0, offsetof(Network, ip_masquerade)
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Network.IPv6PrivacyExtensions, config_parse_ipv6_privacy_extensions, 0, offsetof(Network, ipv6_privacy_extensions)
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Network.BindCarrier, config_parse_strv, 0, offsetof(Network, bind_carrier)
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Address.Address, config_parse_address, 0, 0
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Address.Peer, config_parse_address, 0, 0
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Address.Broadcast, config_parse_broadcast, 0, 0
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Address.Label, config_parse_label, 0, 0
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Route.Gateway, config_parse_gateway, 0, 0
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Route.Destination, config_parse_destination, 0, 0
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Route.Source, config_parse_destination, 0, 0
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Route.Metric, config_parse_route_priority, 0, 0
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Route.Scope, config_parse_route_scope, 0, 0
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DHCP.ClientIdentifier, config_parse_dhcp_client_identifier, 0, offsetof(Network, dhcp_client_identifier)
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DHCP.UseDNS, config_parse_bool, 0, offsetof(Network, dhcp_dns)
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DHCP.UseNTP, config_parse_bool, 0, offsetof(Network, dhcp_ntp)
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DHCP.UseMTU, config_parse_bool, 0, offsetof(Network, dhcp_mtu)
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DHCP.UseHostname, config_parse_bool, 0, offsetof(Network, dhcp_hostname)
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DHCP.UseDomains, config_parse_bool, 0, offsetof(Network, dhcp_domains)
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DHCP.UseRoutes, config_parse_bool, 0, offsetof(Network, dhcp_routes)
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DHCP.SendHostname, config_parse_bool, 0, offsetof(Network, dhcp_sendhost)
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DHCP.Hostname, config_parse_hostname, 0, offsetof(Network, hostname)
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DHCP.RequestBroadcast, config_parse_bool, 0, offsetof(Network, dhcp_broadcast)
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DHCP.CriticalConnection, config_parse_bool, 0, offsetof(Network, dhcp_critical)
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DHCP.VendorClassIdentifier, config_parse_string, 0, offsetof(Network, dhcp_vendor_class_identifier)
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DHCP.RouteMetric, config_parse_unsigned, 0, offsetof(Network, dhcp_route_metric)
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DHCP.UseTimezone, config_parse_bool, 0, offsetof(Network, dhcp_timezone)
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DHCPServer.MaxLeaseTimeSec, config_parse_sec, 0, offsetof(Network, dhcp_server_max_lease_time_usec)
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DHCPServer.DefaultLeaseTimeSec,config_parse_sec, 0, offsetof(Network, dhcp_server_default_lease_time_usec)
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DHCPServer.EmitDNS, config_parse_bool, 0, offsetof(Network, dhcp_server_emit_dns)
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DHCPServer.DNS, config_parse_dhcp_server_dns, 0, 0
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DHCPServer.EmitNTP, config_parse_bool, 0, offsetof(Network, dhcp_server_emit_ntp)
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DHCPServer.NTP, config_parse_dhcp_server_ntp, 0, 0
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DHCPServer.EmitTimezone, config_parse_bool, 0, offsetof(Network, dhcp_server_emit_timezone)
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DHCPServer.Timezone, config_parse_timezone, 0, offsetof(Network, dhcp_server_timezone)
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DHCPServer.PoolOffset, config_parse_uint32, 0, offsetof(Network, dhcp_server_pool_offset)
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DHCPServer.PoolSize, config_parse_uint32, 0, offsetof(Network, dhcp_server_pool_size)
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Bridge.Cost, config_parse_unsigned, 0, offsetof(Network, cost)
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Bridge.UseBPDU, config_parse_bool, 0, offsetof(Network, use_bpdu)
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Bridge.HairPin, config_parse_bool, 0, offsetof(Network, hairpin)
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Bridge.FastLeave, config_parse_bool, 0, offsetof(Network, fast_leave)
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Bridge.AllowPortToBeRoot, config_parse_bool, 0, offsetof(Network, allow_port_to_be_root)
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Bridge.UnicastFlood, config_parse_bool, 0, offsetof(Network, unicast_flood)
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BridgeFDB.MACAddress, config_parse_fdb_hwaddr, 0, 0
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BridgeFDB.VLANId, config_parse_fdb_vlan_id, 0, 0
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Match.MACAddress, config_parse_hwaddr, 0, offsetof(Network, match_mac)
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Match.Path, config_parse_strv, 0, offsetof(Network, match_path)
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Match.Driver, config_parse_strv, 0, offsetof(Network, match_driver)
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Match.Type, config_parse_strv, 0, offsetof(Network, match_type)
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Match.Name, config_parse_ifnames, 0, offsetof(Network, match_name)
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Match.Host, config_parse_net_condition, CONDITION_HOST, offsetof(Network, match_host)
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Match.Virtualization, config_parse_net_condition, CONDITION_VIRTUALIZATION, offsetof(Network, match_virt)
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Match.KernelCommandLine, config_parse_net_condition, CONDITION_KERNEL_COMMAND_LINE, offsetof(Network, match_kernel)
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Match.Architecture, config_parse_net_condition, CONDITION_ARCHITECTURE, offsetof(Network, match_arch)
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Link.MACAddress, config_parse_hwaddr, 0, offsetof(Network, mac)
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Link.MTUBytes, config_parse_iec_size, 0, offsetof(Network, mtu)
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Network.Description, config_parse_string, 0, offsetof(Network, description)
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Network.Bridge, config_parse_netdev, 0, offsetof(Network, bridge)
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Network.Bond, config_parse_netdev, 0, offsetof(Network, bond)
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Network.VLAN, config_parse_netdev, 0, 0
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Network.MACVLAN, config_parse_netdev, 0, 0
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Network.MACVTAP, config_parse_netdev, 0, 0
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Network.IPVLAN, config_parse_netdev, 0, 0
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Network.VXLAN, config_parse_netdev, 0, 0
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Network.Tunnel, config_parse_tunnel, 0, 0
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Network.DHCP, config_parse_dhcp, 0, offsetof(Network, dhcp)
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Network.DHCPServer, config_parse_bool, 0, offsetof(Network, dhcp_server)
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Network.LinkLocalAddressing, config_parse_address_family_boolean, 0, offsetof(Network, link_local)
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Network.IPv4LLRoute, config_parse_bool, 0, offsetof(Network, ipv4ll_route)
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Network.IPv6Token, config_parse_ipv6token, 0, offsetof(Network, ipv6_token)
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Network.LLDP, config_parse_bool, 0, offsetof(Network, lldp)
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Network.Address, config_parse_address, 0, 0
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Network.Gateway, config_parse_gateway, 0, 0
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Network.Domains, config_parse_domains, 0, offsetof(Network, domains)
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Network.DNS, config_parse_strv, 0, offsetof(Network, dns)
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Network.LLMNR, config_parse_resolve, 0, offsetof(Network, llmnr)
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Network.NTP, config_parse_strv, 0, offsetof(Network, ntp)
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Network.IPForward, config_parse_address_family_boolean_with_kernel,0, offsetof(Network, ip_forward)
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Network.IPMasquerade, config_parse_bool, 0, offsetof(Network, ip_masquerade)
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Network.IPv6PrivacyExtensions, config_parse_ipv6_privacy_extensions, 0, offsetof(Network, ipv6_privacy_extensions)
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Network.IPv6AcceptRouterAdvertisements, config_parse_tristate, 0, offsetof(Network, ipv6_accept_ra)
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Network.BindCarrier, config_parse_strv, 0, offsetof(Network, bind_carrier)
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Address.Address, config_parse_address, 0, 0
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Address.Peer, config_parse_address, 0, 0
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Address.Broadcast, config_parse_broadcast, 0, 0
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Address.Label, config_parse_label, 0, 0
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Route.Gateway, config_parse_gateway, 0, 0
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Route.Destination, config_parse_destination, 0, 0
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Route.Source, config_parse_destination, 0, 0
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Route.Metric, config_parse_route_priority, 0, 0
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Route.Scope, config_parse_route_scope, 0, 0
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DHCP.ClientIdentifier, config_parse_dhcp_client_identifier, 0, offsetof(Network, dhcp_client_identifier)
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DHCP.UseDNS, config_parse_bool, 0, offsetof(Network, dhcp_dns)
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DHCP.UseNTP, config_parse_bool, 0, offsetof(Network, dhcp_ntp)
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DHCP.UseMTU, config_parse_bool, 0, offsetof(Network, dhcp_mtu)
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DHCP.UseHostname, config_parse_bool, 0, offsetof(Network, dhcp_hostname)
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DHCP.UseDomains, config_parse_bool, 0, offsetof(Network, dhcp_domains)
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DHCP.UseRoutes, config_parse_bool, 0, offsetof(Network, dhcp_routes)
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DHCP.SendHostname, config_parse_bool, 0, offsetof(Network, dhcp_sendhost)
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DHCP.Hostname, config_parse_hostname, 0, offsetof(Network, hostname)
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DHCP.RequestBroadcast, config_parse_bool, 0, offsetof(Network, dhcp_broadcast)
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DHCP.CriticalConnection, config_parse_bool, 0, offsetof(Network, dhcp_critical)
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DHCP.VendorClassIdentifier, config_parse_string, 0, offsetof(Network, dhcp_vendor_class_identifier)
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DHCP.RouteMetric, config_parse_unsigned, 0, offsetof(Network, dhcp_route_metric)
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DHCP.UseTimezone, config_parse_bool, 0, offsetof(Network, dhcp_timezone)
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DHCPServer.MaxLeaseTimeSec, config_parse_sec, 0, offsetof(Network, dhcp_server_max_lease_time_usec)
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DHCPServer.DefaultLeaseTimeSec, config_parse_sec, 0, offsetof(Network, dhcp_server_default_lease_time_usec)
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DHCPServer.EmitDNS, config_parse_bool, 0, offsetof(Network, dhcp_server_emit_dns)
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DHCPServer.DNS, config_parse_dhcp_server_dns, 0, 0
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DHCPServer.EmitNTP, config_parse_bool, 0, offsetof(Network, dhcp_server_emit_ntp)
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DHCPServer.NTP, config_parse_dhcp_server_ntp, 0, 0
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DHCPServer.EmitTimezone, config_parse_bool, 0, offsetof(Network, dhcp_server_emit_timezone)
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DHCPServer.Timezone, config_parse_timezone, 0, offsetof(Network, dhcp_server_timezone)
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DHCPServer.PoolOffset, config_parse_uint32, 0, offsetof(Network, dhcp_server_pool_offset)
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DHCPServer.PoolSize, config_parse_uint32, 0, offsetof(Network, dhcp_server_pool_size)
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Bridge.Cost, config_parse_unsigned, 0, offsetof(Network, cost)
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Bridge.UseBPDU, config_parse_bool, 0, offsetof(Network, use_bpdu)
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Bridge.HairPin, config_parse_bool, 0, offsetof(Network, hairpin)
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Bridge.FastLeave, config_parse_bool, 0, offsetof(Network, fast_leave)
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Bridge.AllowPortToBeRoot, config_parse_bool, 0, offsetof(Network, allow_port_to_be_root)
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Bridge.UnicastFlood, config_parse_bool, 0, offsetof(Network, unicast_flood)
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BridgeFDB.MACAddress, config_parse_fdb_hwaddr, 0, 0
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BridgeFDB.VLANId, config_parse_fdb_vlan_id, 0, 0
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/* backwards compatibility: do not add new entries to this section */
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Network.IPv4LL, config_parse_ipv4ll, 0, offsetof(Network, link_local)
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DHCPv4.UseDNS, config_parse_bool, 0, offsetof(Network, dhcp_dns)
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DHCPv4.UseMTU, config_parse_bool, 0, offsetof(Network, dhcp_mtu)
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DHCPv4.UseHostname, config_parse_bool, 0, offsetof(Network, dhcp_hostname)
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DHCP.UseDomainName, config_parse_bool, 0, offsetof(Network, dhcp_domains)
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DHCPv4.UseDomainName, config_parse_bool, 0, offsetof(Network, dhcp_domains)
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DHCPv4.CriticalConnection, config_parse_bool, 0, offsetof(Network, dhcp_critical)
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Network.IPv4LL, config_parse_ipv4ll, 0, offsetof(Network, link_local)
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DHCPv4.UseDNS, config_parse_bool, 0, offsetof(Network, dhcp_dns)
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DHCPv4.UseMTU, config_parse_bool, 0, offsetof(Network, dhcp_mtu)
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DHCPv4.UseHostname, config_parse_bool, 0, offsetof(Network, dhcp_hostname)
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DHCP.UseDomainName, config_parse_bool, 0, offsetof(Network, dhcp_domains)
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DHCPv4.UseDomainName, config_parse_bool, 0, offsetof(Network, dhcp_domains)
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DHCPv4.CriticalConnection, config_parse_bool, 0, offsetof(Network, dhcp_critical)
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@ -120,6 +120,7 @@ static int network_load_one(Manager *manager, const char *filename) {
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network->link_local = ADDRESS_FAMILY_IPV6;
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network->ipv6_privacy_extensions = IPV6_PRIVACY_EXTENSIONS_NO;
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network->ipv6_accept_ra = -1;
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r = config_parse(NULL, filename, file,
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"Match\0"
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@ -120,6 +120,8 @@ struct Network {
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AddressFamilyBoolean ip_forward;
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bool ip_masquerade;
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int ipv6_accept_ra;
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union in_addr_union ipv6_token;
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IPv6PrivacyExtensions ipv6_privacy_extensions;
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