diff --git a/man/systemd.network.xml b/man/systemd.network.xml
index 0af927db19..2fb4907634 100644
--- a/man/systemd.network.xml
+++ b/man/systemd.network.xml
@@ -695,6 +695,57 @@
which is then configured to use them explicitly.
+
+ HomeAddress=
+
+ Takes a boolean argument. Designates this address the "home address" as defined in
+ RFC 6275.
+ Supported only on IPv6. Defaults to false.
+
+
+
+ DuplicateAddressDetection=
+
+ Takes a boolean argument. Do not perform Duplicate Address Detection
+ RFC 4862 when adding this address.
+ Supported only on IPv6. Defaults to false.
+
+
+
+ ManageTemporaryAddress=
+
+ Takes a boolean argument. If true the kernel manage temporary addresses created
+ from this one as template on behalf of Privacy Extensions
+ RFC 3041. For this to become
+ active, the use_tempaddr sysctl setting has to be set to a value greater than zero.
+ The given address needs to have a prefix length of 64. This flag allows to use privacy
+ extensions in a manually configured network, just like if stateless auto-configuration
+ was active. Defaults to false.
+
+
+
+ PrefixRoute=
+
+ Takes a boolean argument. When adding or modifying an IPv6 address, the userspace
+ application needs a way to suppress adding a prefix route. This is for example relevant
+ together with IFA_F_MANAGERTEMPADDR, where userspace creates autoconf generated addresses,
+ but depending on on-link, no route for the prefix should be added. Defaults to false.
+
+
+
+ AutoJoin=
+
+ Takes a boolean argument. Joining multicast group on ethernet level via
+ ip maddr command would not work if we have an Ethernet switch that does
+ IGMP snooping since the switch would not replicate multicast packets on ports that did not
+ have IGMP reports for the multicast addresses. Linux vxlan interfaces created via
+ ip link add vxlan or networkd's netdev kind vxlan have the group option
+ that enables then to do the required join. By extending ip address command with option
+ autojoin we can get similar functionality for openvswitch (OVS) vxlan
+ interfaces as well as other tunneling mechanisms that need to receive multicast traffic.
+ Defaults to no.
+
+
diff --git a/src/basic/missing.h b/src/basic/missing.h
index 13ff51cd35..4a78269e33 100644
--- a/src/basic/missing.h
+++ b/src/basic/missing.h
@@ -1052,6 +1052,10 @@ typedef int32_t key_serial_t;
#define ETHERTYPE_LLDP 0x88cc
#endif
+#ifndef IFA_F_MCAUTOJOIN
+#define IFA_F_MCAUTOJOIN 0x400
+#endif
+
#endif
#include "missing_syscall.h"
diff --git a/src/network/networkd-address.c b/src/network/networkd-address.c
index 5498e352d8..ed52d5e42d 100644
--- a/src/network/networkd-address.c
+++ b/src/network/networkd-address.c
@@ -571,6 +571,21 @@ int address_configure(
address->flags |= IFA_F_PERMANENT;
+ if (address->home_address)
+ address->flags |= IFA_F_HOMEADDRESS;
+
+ if (address->duplicate_address_detection)
+ address->flags |= IFA_F_NODAD;
+
+ if (address->manage_temporary_address)
+ address->flags |= IFA_F_MANAGETEMPADDR;
+
+ if (address->prefix_route)
+ address->flags |= IFA_F_NOPREFIXROUTE;
+
+ if (address->autojoin)
+ address->flags |= IFA_F_MCAUTOJOIN;
+
r = sd_rtnl_message_addr_set_flags(req, (address->flags & 0xff));
if (r < 0)
return log_error_errno(r, "Could not set flags: %m");
@@ -856,6 +871,50 @@ int config_parse_lifetime(const char *unit,
return 0;
}
+int config_parse_address_flags(const char *unit,
+ const char *filename,
+ unsigned line,
+ const char *section,
+ unsigned section_line,
+ const char *lvalue,
+ int ltype,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+ Network *network = userdata;
+ _cleanup_address_free_ Address *n = NULL;
+ int r;
+
+ assert(filename);
+ assert(section);
+ assert(lvalue);
+ assert(rvalue);
+ assert(data);
+
+ r = address_new_static(network, section_line, &n);
+ if (r < 0)
+ return r;
+
+ r = parse_boolean(rvalue);
+ if (r < 0) {
+ log_syntax(unit, LOG_ERR, filename, line, r, "Failed to parse address flag, ignoring: %s", rvalue);
+ return 0;
+ }
+
+ if (streq(lvalue, "HomeAddress"))
+ n->home_address = r;
+ else if (streq(lvalue, "DuplicateAddressDetection"))
+ n->duplicate_address_detection = r;
+ else if (streq(lvalue, "ManageTemporaryAddress"))
+ n->manage_temporary_address = r;
+ else if (streq(lvalue, "PrefixRoute"))
+ n->prefix_route = r;
+ else if (streq(lvalue, "AutoJoin"))
+ n->autojoin = r;
+
+ return 0;
+}
+
bool address_is_ready(const Address *a) {
assert(a);
diff --git a/src/network/networkd-address.h b/src/network/networkd-address.h
index 03c4bea7c6..bc3b4fc7f3 100644
--- a/src/network/networkd-address.h
+++ b/src/network/networkd-address.h
@@ -53,6 +53,11 @@ struct Address {
union in_addr_union in_addr_peer;
bool ip_masquerade_done:1;
+ bool duplicate_address_detection;
+ bool manage_temporary_address;
+ bool home_address;
+ bool prefix_route;
+ bool autojoin;
LIST_FIELDS(Address, addresses);
};
@@ -77,3 +82,4 @@ int config_parse_address(const char *unit, const char *filename, unsigned line,
int config_parse_broadcast(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata);
int config_parse_label(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata);
int config_parse_lifetime(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata);
+int config_parse_address_flags(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata);
diff --git a/src/network/networkd-network-gperf.gperf b/src/network/networkd-network-gperf.gperf
index 62779c7c48..5587961b9f 100644
--- a/src/network/networkd-network-gperf.gperf
+++ b/src/network/networkd-network-gperf.gperf
@@ -70,6 +70,11 @@ Address.Peer, config_parse_address,
Address.Broadcast, config_parse_broadcast, 0, 0
Address.Label, config_parse_label, 0, 0
Address.PreferredLifetime, config_parse_lifetime, 0, 0
+Address.HomeAddress, config_parse_address_flags, 0, 0
+Address.DuplicateAddressDetection, config_parse_address_flags, 0, 0
+Address.ManageTemporaryAddress, config_parse_address_flags, 0, 0
+Address.PrefixRoute, config_parse_address_flags, 0, 0
+Address.AutoJoin, config_parse_address_flags, 0, 0
Route.Gateway, config_parse_gateway, 0, 0
Route.Destination, config_parse_destination, 0, 0
Route.Source, config_parse_destination, 0, 0