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authorMichael Biebl <biebl@debian.org>2021-02-11 18:11:46 +0100
committerMichael Biebl <biebl@debian.org>2021-02-11 18:11:46 +0100
commit80ec1decc49c72efec2a8b87c06245c92c0ab807 (patch)
treee3b229aa94e8dcf0590f2317664176e7b8f7607b /src/ndisc
parent65f86e8f56267192d42f2b629fc6b0c99fb9cd0c (diff)
New upstream version 1.29.90 upstream/1.29.90
Diffstat (limited to 'src/ndisc')
-rw-r--r--src/ndisc/nm-fake-ndisc.c421
-rw-r--r--src/ndisc/nm-fake-ndisc.h68
-rw-r--r--src/ndisc/nm-lndp-ndisc.c752
-rw-r--r--src/ndisc/nm-lndp-ndisc.h46
-rw-r--r--src/ndisc/nm-ndisc-private.h67
-rw-r--r--src/ndisc/nm-ndisc.c1696
-rw-r--r--src/ndisc/nm-ndisc.h233
-rw-r--r--src/ndisc/tests/meson.build26
-rw-r--r--src/ndisc/tests/test-ndisc-fake.c538
-rw-r--r--src/ndisc/tests/test-ndisc-linux.c85
10 files changed, 0 insertions, 3932 deletions
diff --git a/src/ndisc/nm-fake-ndisc.c b/src/ndisc/nm-fake-ndisc.c
deleted file mode 100644
index bd9f5f7e..00000000
--- a/src/ndisc/nm-fake-ndisc.c
+++ /dev/null
@@ -1,421 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0+ */
-/*
- * Copyright (C) 2013 Red Hat, Inc.
- */
-
-#include "nm-default.h"
-
-#include "nm-fake-ndisc.h"
-
-#include <arpa/inet.h>
-
-#include "nm-ndisc-private.h"
-
-#define _NMLOG_PREFIX_NAME "ndisc-fake"
-
-/*****************************************************************************/
-
-typedef struct {
-    guint id;
-    guint when;
-
-    NMNDiscDHCPLevel dhcp_level;
-    GArray *         gateways;
-    GArray *         prefixes;
-    GArray *         dns_servers;
-    GArray *         dns_domains;
-    int              hop_limit;
-    guint32          mtu;
-} FakeRa;
-
-typedef struct {
-    struct in6_addr    network;
-    int                plen;
-    struct in6_addr    gateway;
-    guint32            timestamp;
-    guint32            lifetime;
-    guint32            preferred;
-    NMIcmpv6RouterPref preference;
-} FakePrefix;
-
-/*****************************************************************************/
-
-enum {
-    RS_SENT,
-    LAST_SIGNAL,
-};
-static guint signals[LAST_SIGNAL] = {0};
-
-typedef struct {
-    guint   receive_ra_id;
-    GSList *ras;
-} NMFakeNDiscPrivate;
-
-struct _NMFakeRNDisc {
-    NMNDisc            parent;
-    NMFakeNDiscPrivate _priv;
-};
-
-struct _NMFakeRNDiscClass {
-    NMNDiscClass parent;
-};
-
-G_DEFINE_TYPE(NMFakeNDisc, nm_fake_ndisc, NM_TYPE_NDISC)
-
-#define NM_FAKE_NDISC_GET_PRIVATE(self) \
-    _NM_GET_PRIVATE(self, NMFakeNDisc, NM_IS_FAKE_NDISC, NMNDisc)
-
-/*****************************************************************************/
-
-static void
-fake_ra_free(gpointer data)
-{
-    FakeRa *ra = data;
-
-    g_array_free(ra->gateways, TRUE);
-    g_array_free(ra->prefixes, TRUE);
-    g_array_free(ra->dns_servers, TRUE);
-    g_array_free(ra->dns_domains, TRUE);
-    g_free(ra);
-}
-
-static void
-ra_dns_domain_free(gpointer data)
-{
-    g_free(((NMNDiscDNSDomain *) (data))->domain);
-}
-
-static FakeRa *
-find_ra(GSList *ras, guint id)
-{
-    GSList *iter;
-
-    for (iter = ras; iter; iter = iter->next) {
-        if (((FakeRa *) iter->data)->id == id)
-            return iter->data;
-    }
-    return NULL;
-}
-
-guint
-nm_fake_ndisc_add_ra(NMFakeNDisc *    self,
-                     guint            seconds_after_previous,
-                     NMNDiscDHCPLevel dhcp_level,
-                     int              hop_limit,
-                     guint32          mtu)
-{
-    NMFakeNDiscPrivate *priv    = NM_FAKE_NDISC_GET_PRIVATE(self);
-    static guint        counter = 1;
-    FakeRa *            ra;
-
-    ra              = g_malloc0(sizeof(*ra));
-    ra->id          = counter++;
-    ra->when        = seconds_after_previous;
-    ra->dhcp_level  = dhcp_level;
-    ra->hop_limit   = hop_limit;
-    ra->mtu         = mtu;
-    ra->gateways    = g_array_new(FALSE, FALSE, sizeof(NMNDiscGateway));
-    ra->prefixes    = g_array_new(FALSE, FALSE, sizeof(FakePrefix));
-    ra->dns_servers = g_array_new(FALSE, FALSE, sizeof(NMNDiscDNSServer));
-    ra->dns_domains = g_array_new(FALSE, FALSE, sizeof(NMNDiscDNSDomain));
-    g_array_set_clear_func(ra->dns_domains, ra_dns_domain_free);
-
-    priv->ras = g_slist_append(priv->ras, ra);
-    return ra->id;
-}
-
-void
-nm_fake_ndisc_add_gateway(NMFakeNDisc *      self,
-                          guint              ra_id,
-                          const char *       addr,
-                          guint32            timestamp,
-                          guint32            lifetime,
-                          NMIcmpv6RouterPref preference)
-{
-    NMFakeNDiscPrivate *priv = NM_FAKE_NDISC_GET_PRIVATE(self);
-    FakeRa *            ra   = find_ra(priv->ras, ra_id);
-    NMNDiscGateway *    gw;
-
-    g_assert(ra);
-    g_array_set_size(ra->gateways, ra->gateways->len + 1);
-    gw = &g_array_index(ra->gateways, NMNDiscGateway, ra->gateways->len - 1);
-    g_assert(inet_pton(AF_INET6, addr, &gw->address) == 1);
-    gw->timestamp  = timestamp;
-    gw->lifetime   = lifetime;
-    gw->preference = preference;
-}
-
-void
-nm_fake_ndisc_add_prefix(NMFakeNDisc *      self,
-                         guint              ra_id,
-                         const char *       network,
-                         guint              plen,
-                         const char *       gateway,
-                         guint32            timestamp,
-                         guint32            lifetime,
-                         guint32            preferred,
-                         NMIcmpv6RouterPref preference)
-{
-    NMFakeNDiscPrivate *priv = NM_FAKE_NDISC_GET_PRIVATE(self);
-    FakeRa *            ra   = find_ra(priv->ras, ra_id);
-    FakePrefix *        prefix;
-
-    g_assert(ra);
-    g_array_set_size(ra->prefixes, ra->prefixes->len + 1);
-    prefix = &g_array_index(ra->prefixes, FakePrefix, ra->prefixes->len - 1);
-    memset(prefix, 0, sizeof(*prefix));
-    g_assert(inet_pton(AF_INET6, network, &prefix->network) == 1);
-    g_assert(inet_pton(AF_INET6, gateway, &prefix->gateway) == 1);
-    prefix->plen       = plen;
-    prefix->timestamp  = timestamp;
-    prefix->lifetime   = lifetime;
-    prefix->preferred  = preferred;
-    prefix->preference = preference;
-}
-
-void
-nm_fake_ndisc_add_dns_server(NMFakeNDisc *self,
-                             guint        ra_id,
-                             const char * address,
-                             guint32      timestamp,
-                             guint32      lifetime)
-{
-    NMFakeNDiscPrivate *priv = NM_FAKE_NDISC_GET_PRIVATE(self);
-    FakeRa *            ra   = find_ra(priv->ras, ra_id);
-    NMNDiscDNSServer *  dns;
-
-    g_assert(ra);
-    g_array_set_size(ra->dns_servers, ra->dns_servers->len + 1);
-    dns = &g_array_index(ra->dns_servers, NMNDiscDNSServer, ra->dns_servers->len - 1);
-    g_assert(inet_pton(AF_INET6, address, &dns->address) == 1);
-    dns->timestamp = timestamp;
-    dns->lifetime  = lifetime;
-}
-
-void
-nm_fake_ndisc_add_dns_domain(NMFakeNDisc *self,
-                             guint        ra_id,
-                             const char * domain,
-                             guint32      timestamp,
-                             guint32      lifetime)
-{
-    NMFakeNDiscPrivate *priv = NM_FAKE_NDISC_GET_PRIVATE(self);
-    FakeRa *            ra   = find_ra(priv->ras, ra_id);
-    NMNDiscDNSDomain *  dns;
-
-    g_assert(ra);
-    g_array_set_size(ra->dns_domains, ra->dns_domains->len + 1);
-    dns            = &g_array_index(ra->dns_domains, NMNDiscDNSDomain, ra->dns_domains->len - 1);
-    dns->domain    = g_strdup(domain);
-    dns->timestamp = timestamp;
-    dns->lifetime  = lifetime;
-}
-
-gboolean
-nm_fake_ndisc_done(NMFakeNDisc *self)
-{
-    return !NM_FAKE_NDISC_GET_PRIVATE(self)->ras;
-}
-
-/*****************************************************************************/
-
-static gboolean
-send_rs(NMNDisc *ndisc, GError **error)
-{
-    g_signal_emit(ndisc, signals[RS_SENT], 0);
-    return TRUE;
-}
-
-static gboolean
-receive_ra(gpointer user_data)
-{
-    NMFakeNDisc *        self    = user_data;
-    NMFakeNDiscPrivate * priv    = NM_FAKE_NDISC_GET_PRIVATE(self);
-    NMNDisc *            ndisc   = NM_NDISC(self);
-    NMNDiscDataInternal *rdata   = ndisc->rdata;
-    FakeRa *             ra      = priv->ras->data;
-    NMNDiscConfigMap     changed = 0;
-    gint32               now     = nm_utils_get_monotonic_timestamp_sec();
-    guint                i;
-    NMNDiscDHCPLevel     dhcp_level;
-
-    priv->receive_ra_id = 0;
-
-    /* preserve the "most managed" level  on updates. */
-    dhcp_level = MAX(rdata->public.dhcp_level, ra->dhcp_level);
-
-    if (rdata->public.dhcp_level != dhcp_level) {
-        rdata->public.dhcp_level = dhcp_level;
-        changed |= NM_NDISC_CONFIG_DHCP_LEVEL;
-    }
-
-    for (i = 0; i < ra->gateways->len; i++) {
-        NMNDiscGateway *item = &g_array_index(ra->gateways, NMNDiscGateway, i);
-
-        if (nm_ndisc_add_gateway(ndisc, item))
-            changed |= NM_NDISC_CONFIG_GATEWAYS;
-    }
-
-    for (i = 0; i < ra->prefixes->len; i++) {
-        FakePrefix * item  = &g_array_index(ra->prefixes, FakePrefix, i);
-        NMNDiscRoute route = {
-            .network    = item->network,
-            .plen       = item->plen,
-            .gateway    = item->gateway,
-            .timestamp  = item->timestamp,
-            .lifetime   = item->lifetime,
-            .preference = item->preference,
-        };
-
-        g_assert(route.plen > 0 && route.plen <= 128);
-
-        if (nm_ndisc_add_route(ndisc, &route))
-            changed |= NM_NDISC_CONFIG_ROUTES;
-
-        if (item->plen == 64) {
-            NMNDiscAddress address = {
-                .address     = item->network,
-                .timestamp   = item->timestamp,
-                .lifetime    = item->lifetime,
-                .preferred   = item->preferred,
-                .dad_counter = 0,
-            };
-
-            if (nm_ndisc_complete_and_add_address(ndisc, &address, now))
-                changed |= NM_NDISC_CONFIG_ADDRESSES;
-        }
-    }
-
-    for (i = 0; i < ra->dns_servers->len; i++) {
-        NMNDiscDNSServer *item = &g_array_index(ra->dns_servers, NMNDiscDNSServer, i);
-
-        if (nm_ndisc_add_dns_server(ndisc, item))
-            changed |= NM_NDISC_CONFIG_DNS_SERVERS;
-    }
-
-    for (i = 0; i < ra->dns_domains->len; i++) {
-        NMNDiscDNSDomain *item = &g_array_index(ra->dns_domains, NMNDiscDNSDomain, i);
-
-        if (nm_ndisc_add_dns_domain(ndisc, item))
-            changed |= NM_NDISC_CONFIG_DNS_DOMAINS;
-    }
-
-    if (rdata->public.mtu != ra->mtu) {
-        rdata->public.mtu = ra->mtu;
-        changed |= NM_NDISC_CONFIG_MTU;
-    }
-
-    if (rdata->public.hop_limit != ra->hop_limit) {
-        rdata->public.hop_limit = ra->hop_limit;
-        changed |= NM_NDISC_CONFIG_HOP_LIMIT;
-    }
-
-    priv->ras = g_slist_remove(priv->ras, priv->ras->data);
-    fake_ra_free(ra);
-
-    nm_ndisc_ra_received(NM_NDISC(self), now, changed);
-
-    /* Schedule next RA */
-    if (priv->ras) {
-        ra                  = priv->ras->data;
-        priv->receive_ra_id = g_timeout_add_seconds(ra->when, receive_ra, self);
-    }
-
-    return G_SOURCE_REMOVE;
-}
-
-static void
-start(NMNDisc *ndisc)
-{
-    NMFakeNDiscPrivate *priv = NM_FAKE_NDISC_GET_PRIVATE(ndisc);
-    FakeRa *            ra;
-
-    /* Queue up the first fake RA */
-    g_assert(priv->ras);
-    ra = priv->ras->data;
-
-    g_assert(!priv->receive_ra_id);
-    priv->receive_ra_id = g_timeout_add_seconds(ra->when, receive_ra, ndisc);
-}
-
-static void
-stop(NMNDisc *ndisc)
-{
-    NMFakeNDiscPrivate *priv = NM_FAKE_NDISC_GET_PRIVATE(ndisc);
-
-    nm_clear_g_source(&priv->receive_ra_id);
-}
-
-void
-nm_fake_ndisc_emit_new_ras(NMFakeNDisc *self)
-{
-    if (!NM_FAKE_NDISC_GET_PRIVATE(self)->receive_ra_id)
-        start(NM_NDISC(self));
-}
-
-/*****************************************************************************/
-
-static void
-nm_fake_ndisc_init(NMFakeNDisc *fake_ndisc)
-{}
-
-NMNDisc *
-nm_fake_ndisc_new(int ifindex, const char *ifname)
-{
-    return g_object_new(NM_TYPE_FAKE_NDISC,
-                        NM_NDISC_IFINDEX,
-                        ifindex,
-                        NM_NDISC_IFNAME,
-                        ifname,
-                        NM_NDISC_NODE_TYPE,
-                        (int) NM_NDISC_NODE_TYPE_HOST,
-                        NM_NDISC_STABLE_TYPE,
-                        (int) NM_UTILS_STABLE_TYPE_UUID,
-                        NM_NDISC_NETWORK_ID,
-                        "fake",
-                        NM_NDISC_MAX_ADDRESSES,
-                        NM_NDISC_MAX_ADDRESSES_DEFAULT,
-                        NM_NDISC_ROUTER_SOLICITATIONS,
-                        NM_NDISC_ROUTER_SOLICITATIONS_DEFAULT,
-                        NM_NDISC_ROUTER_SOLICITATION_INTERVAL,
-                        NM_NDISC_ROUTER_SOLICITATION_INTERVAL_DEFAULT,
-                        NM_NDISC_RA_TIMEOUT,
-                        30u,
-                        NULL);
-}
-
-static void
-dispose(GObject *object)
-{
-    NMFakeNDiscPrivate *priv = NM_FAKE_NDISC_GET_PRIVATE(object);
-
-    nm_clear_g_source(&priv->receive_ra_id);
-
-    g_slist_free_full(priv->ras, fake_ra_free);
-    priv->ras = NULL;
-
-    G_OBJECT_CLASS(nm_fake_ndisc_parent_class)->dispose(object);
-}
-
-static void
-nm_fake_ndisc_class_init(NMFakeNDiscClass *klass)
-{
-    GObjectClass *object_class = G_OBJECT_CLASS(klass);
-    NMNDiscClass *ndisc_class  = NM_NDISC_CLASS(klass);
-
-    object_class->dispose = dispose;
-
-    ndisc_class->start   = start;
-    ndisc_class->stop    = stop;
-    ndisc_class->send_rs = send_rs;
-
-    signals[RS_SENT] = g_signal_new(NM_FAKE_NDISC_RS_SENT,
-                                    G_OBJECT_CLASS_TYPE(klass),
-                                    G_SIGNAL_RUN_FIRST,
-                                    0,
-                                    NULL,
-                                    NULL,
-                                    NULL,
-                                    G_TYPE_NONE,
-                                    0);
-}
diff --git a/src/ndisc/nm-fake-ndisc.h b/src/ndisc/nm-fake-ndisc.h
deleted file mode 100644
index 47f40560..00000000
--- a/src/ndisc/nm-fake-ndisc.h
+++ /dev/null
@@ -1,68 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0+ */
-/*
- * Copyright (C) 2013 Red Hat, Inc.
- */
-
-#ifndef __NETWORKMANAGER_FAKE_NDISC_H__
-#define __NETWORKMANAGER_FAKE_NDISC_H__
-
-#include "nm-ndisc.h"
-
-#define NM_TYPE_FAKE_NDISC (nm_fake_ndisc_get_type())
-#define NM_FAKE_NDISC(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), NM_TYPE_FAKE_NDISC, NMFakeNDisc))
-#define NM_FAKE_NDISC_CLASS(klass) \
-    (G_TYPE_CHECK_CLASS_CAST((klass), NM_TYPE_FAKE_NDISC, NMFakeNDiscClass))
-#define NM_IS_FAKE_NDISC(obj)         (G_TYPE_CHECK_INSTANCE_TYPE((obj), NM_TYPE_FAKE_NDISC))
-#define NM_IS_FAKE_NDISC_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass), NM_TYPE_FAKE_NDISC))
-#define NM_FAKE_NDISC_GET_CLASS(obj) \
-    (G_TYPE_INSTANCE_GET_CLASS((obj), NM_TYPE_FAKE_NDISC, NMFakeNDiscClass))
-
-#define NM_FAKE_NDISC_RS_SENT "rs-sent"
-
-typedef struct _NMFakeRNDisc      NMFakeNDisc;
-typedef struct _NMFakeRNDiscClass NMFakeNDiscClass;
-
-GType nm_fake_ndisc_get_type(void);
-
-NMNDisc *nm_fake_ndisc_new(int ifindex, const char *ifname);
-
-guint nm_fake_ndisc_add_ra(NMFakeNDisc *    self,
-                           guint            seconds,
-                           NMNDiscDHCPLevel dhcp_level,
-                           int              hop_limit,
-                           guint32          mtu);
-
-void nm_fake_ndisc_add_gateway(NMFakeNDisc *      self,
-                               guint              ra_id,
-                               const char *       addr,
-                               guint32            timestamp,
-                               guint32            lifetime,
-                               NMIcmpv6RouterPref preference);
-
-void nm_fake_ndisc_add_prefix(NMFakeNDisc *      self,
-                              guint              ra_id,
-                              const char *       network,
-                              guint              plen,
-                              const char *       gateway,
-                              guint32            timestamp,
-                              guint32            lifetime,
-                              guint32            preferred,
-                              NMIcmpv6RouterPref preference);
-
-void nm_fake_ndisc_add_dns_server(NMFakeNDisc *self,
-                                  guint        ra_id,
-                                  const char * address,
-                                  guint32      timestamp,
-                                  guint32      lifetime);
-
-void nm_fake_ndisc_add_dns_domain(NMFakeNDisc *self,
-                                  guint        ra_id,
-                                  const char * domain,
-                                  guint32      timestamp,
-                                  guint32      lifetime);
-
-void nm_fake_ndisc_emit_new_ras(NMFakeNDisc *self);
-
-gboolean nm_fake_ndisc_done(NMFakeNDisc *self);
-
-#endif /* __NETWORKMANAGER_FAKE_NDISC_H__ */
diff --git a/src/ndisc/nm-lndp-ndisc.c b/src/ndisc/nm-lndp-ndisc.c
deleted file mode 100644
index 22695c32..00000000
--- a/src/ndisc/nm-lndp-ndisc.c
+++ /dev/null
@@ -1,752 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0+ */
-/*
- * Copyright (C) 2013 Red Hat, Inc.
- */
-
-#include "nm-default.h"
-
-#include "nm-lndp-ndisc.h"
-
-#include <arpa/inet.h>
-#include <netinet/icmp6.h>
-/* stdarg.h included because of a bug in ndp.h */
-#include <stdarg.h>
-#include <ndp.h>
-
-#include "nm-ndisc-private.h"
-#include "NetworkManagerUtils.h"
-#include "platform/nm-platform.h"
-#include "platform/nmp-netns.h"
-
-#define _NMLOG_PREFIX_NAME "ndisc-lndp"
-
-/*****************************************************************************/
-
-typedef struct {
-    struct ndp *ndp;
-    GSource *   event_source;
-} NMLndpNDiscPrivate;
-
-/*****************************************************************************/
-
-struct _NMLndpNDisc {
-    NMNDisc            parent;
-    NMLndpNDiscPrivate _priv;
-};
-
-struct _NMLndpNDiscClass {
-    NMNDiscClass parent;
-};
-
-/*****************************************************************************/
-
-G_DEFINE_TYPE(NMLndpNDisc, nm_lndp_ndisc, NM_TYPE_NDISC)
-
-#define NM_LNDP_NDISC_GET_PRIVATE(self) \
-    _NM_GET_PRIVATE(self, NMLndpNDisc, NM_IS_LNDP_NDISC, NMNDisc)
-
-/*****************************************************************************/
-
-static gboolean
-send_rs(NMNDisc *ndisc, GError **error)
-{
-    NMLndpNDiscPrivate *priv = NM_LNDP_NDISC_GET_PRIVATE(ndisc);
-    struct ndp_msg *    msg;
-    int                 errsv;
-
-    errsv = ndp_msg_new(&msg, NDP_MSG_RS);
-    if (errsv) {
-        g_set_error_literal(error,
-                            NM_UTILS_ERROR,
-                            NM_UTILS_ERROR_UNKNOWN,
-                            "cannot create router solicitation");
-        return FALSE;
-    }
-    ndp_msg_ifindex_set(msg, nm_ndisc_get_ifindex(ndisc));
-
-    errsv = ndp_msg_send(priv->ndp, msg);
-    ndp_msg_destroy(msg);
-    if (errsv) {
-        errsv = nm_errno_native(errsv);
-        g_set_error(error,
-                    NM_UTILS_ERROR,
-                    NM_UTILS_ERROR_UNKNOWN,
-                    "%s (%d)",
-                    nm_strerror_native(errsv),
-                    errsv);
-        return FALSE;
-    }
-
-    return TRUE;
-}
-
-static NMIcmpv6RouterPref
-_route_preference_coerce(enum ndp_route_preference pref)
-{
-    switch (pref) {
-    case NDP_ROUTE_PREF_LOW:
-        return NM_ICMPV6_ROUTER_PREF_LOW;
-    case NDP_ROUTE_PREF_MEDIUM:
-        return NM_ICMPV6_ROUTER_PREF_MEDIUM;
-    case NDP_ROUTE_PREF_HIGH:
-        return NM_ICMPV6_ROUTER_PREF_HIGH;
-    }
-    /* unexpected value must be treated as MEDIUM (RFC 4191). */
-    return NM_ICMPV6_ROUTER_PREF_MEDIUM;
-}
-
-static int
-receive_ra(struct ndp *ndp, struct ndp_msg *msg, gpointer user_data)
-{
-    NMNDisc *            ndisc   = (NMNDisc *) user_data;
-    NMNDiscDataInternal *rdata   = ndisc->rdata;
-    NMNDiscConfigMap     changed = 0;
-    struct ndp_msgra *   msgra   = ndp_msgra(msg);
-    struct in6_addr      gateway_addr;
-    gint32               now = nm_utils_get_monotonic_timestamp_sec();
-    int                  offset;
-    int                  hop_limit;
-    guint32              val;
-
-    /* Router discovery is subject to the following RFC documents:
-     *
-     * http://tools.ietf.org/html/rfc4861
-     * http://tools.ietf.org/html/rfc4862
-     *
-     * The biggest difference from good old DHCP is that all configuration
-     * items have their own lifetimes and they are merged from various
-     * sources. Router discovery is *not* contract-based, so there is *no*
-     * single time when the configuration is finished and updates can
-     * come at any time.
-     */
-    _LOGD("received router advertisement at %d", (int) now);
-
-    gateway_addr = *ndp_msg_addrto(msg);
-    if (IN6_IS_ADDR_UNSPECIFIED(&gateway_addr))
-        g_return_val_if_reached(0);
-
-    /* DHCP level:
-     *
-     * The problem with DHCP level is what to do if subsequent
-     * router advertisements carry different flags. Currently, we just
-     * rewrite the flag with every inbound RA.
-     */
-    {
-        NMNDiscDHCPLevel dhcp_level;
-
-        if (ndp_msgra_flag_managed(msgra))
-            dhcp_level = NM_NDISC_DHCP_LEVEL_MANAGED;
-        else if (ndp_msgra_flag_other(msgra))
-            dhcp_level = NM_NDISC_DHCP_LEVEL_OTHERCONF;
-        else
-            dhcp_level = NM_NDISC_DHCP_LEVEL_NONE;
-
-        /* when receiving multiple RA (possibly from different routers),
-         * let's keep the "most managed" level. */
-        G_STATIC_ASSERT_EXPR(NM_NDISC_DHCP_LEVEL_MANAGED > NM_NDISC_DHCP_LEVEL_OTHERCONF);
-        G_STATIC_ASSERT_EXPR(NM_NDISC_DHCP_LEVEL_OTHERCONF > NM_NDISC_DHCP_LEVEL_NONE);
-        dhcp_level = MAX(dhcp_level, rdata->public.dhcp_level);
-
-        if (dhcp_level != rdata->public.dhcp_level) {
-            rdata->public.dhcp_level = dhcp_level;
-            changed |= NM_NDISC_CONFIG_DHCP_LEVEL;
-        }
-    }
-
-    /* Default gateway:
-     *
-     * Subsequent router advertisements can represent new default gateways
-     * on the network. We should present all of them in router preference
-     * order.
-     */
-    {
-        const NMNDiscGateway gateway = {
-            .address    = gateway_addr,
-            .timestamp  = now,
-            .lifetime   = ndp_msgra_router_lifetime(msgra),
-            .preference = _route_preference_coerce(ndp_msgra_route_preference(msgra)),
-        };
-
-        if (nm_ndisc_add_gateway(ndisc, &gateway))
-            changed |= NM_NDISC_CONFIG_GATEWAYS;
-    }
-
-    /* Addresses & Routes */
-    ndp_msg_opt_for_each_offset (offset, msg, NDP_MSG_OPT_PREFIX) {
-        guint8          r_plen;
-        struct in6_addr r_network;
-
-        /* Device route */
-
-        r_plen = ndp_msg_opt_prefix_len(msg, offset);
-        if (r_plen == 0 || r_plen > 128)
-            continue;
-        nm_utils_ip6_address_clear_host_address(&r_network,
-                                                ndp_msg_opt_prefix(msg, offset),
-                                                r_plen);
-
-        if (IN6_IS_ADDR_UNSPECIFIED(&r_network) || IN6_IS_ADDR_LINKLOCAL(&r_network))
-            continue;
-
-        if (ndp_msg_opt_prefix_flag_on_link(msg, offset)) {
-            const NMNDiscRoute route = {
-                .network   = r_network,
-                .plen      = r_plen,
-                .timestamp = now,
-                .lifetime  = ndp_msg_opt_prefix_valid_time(msg, offset),
-            };
-
-            if (nm_ndisc_add_route(ndisc, &route))
-                changed |= NM_NDISC_CONFIG_ROUTES;
-        }
-
-        /* Address */
-        if (r_plen == 64 && ndp_msg_opt_prefix_flag_auto_addr_conf(msg, offset)) {
-            NMNDiscAddress address = {
-                .address   = r_network,
-                .timestamp = now,
-                .lifetime  = ndp_msg_opt_prefix_valid_time(msg, offset),
-                .preferred = ndp_msg_opt_prefix_preferred_time(msg, offset),
-            };
-
-            if (address.preferred <= address.lifetime) {
-                if (nm_ndisc_complete_and_add_address(ndisc, &address, now))
-                    changed |= NM_NDISC_CONFIG_ADDRESSES;
-            }
-        }
-    }
-    ndp_msg_opt_for_each_offset (offset, msg, NDP_MSG_OPT_ROUTE) {
-        NMNDiscRoute route = {
-            .gateway    = gateway_addr,
-            .plen       = ndp_msg_opt_route_prefix_len(msg, offset),
-            .timestamp  = now,
-            .lifetime   = ndp_msg_opt_route_lifetime(msg, offset),
-            .preference = _route_preference_coerce(ndp_msg_opt_route_preference(msg, offset)),
-        };
-
-        if (route.plen == 0 || route.plen > 128)
-            continue;
-
-        /* Routers through this particular gateway */
-        nm_utils_ip6_address_clear_host_address(&route.network,
-                                                ndp_msg_opt_route_prefix(msg, offset),
-                                                route.plen);
-        if (nm_ndisc_add_route(ndisc, &route))
-            changed |= NM_NDISC_CONFIG_ROUTES;
-    }
-
-    /* DNS information */
-    ndp_msg_opt_for_each_offset (offset, msg, NDP_MSG_OPT_RDNSS) {
-        struct in6_addr *addr;
-        int              addr_index;
-
-        ndp_msg_opt_rdnss_for_each_addr (addr, addr_index, msg, offset) {
-            NMNDiscDNSServer dns_server = {
-                .address   = *addr,
-                .timestamp = now,
-                .lifetime  = ndp_msg_opt_rdnss_lifetime(msg, offset),
-            };
-
-            /* Pad the lifetime somewhat to give a bit of slack in cases
-             * where one RA gets lost or something (which can happen on unreliable
-             * links like Wi-Fi where certain types of frames are not retransmitted).
-             * Note that 0 has special meaning and is therefore not adjusted.
-             */
-            if (dns_server.lifetime && dns_server.lifetime < 7200)
-                dns_server.lifetime = 7200;
-            if (nm_ndisc_add_dns_server(ndisc, &dns_server))
-                changed |= NM_NDISC_CONFIG_DNS_SERVERS;
-        }
-    }
-    ndp_msg_opt_for_each_offset (offset, msg, NDP_MSG_OPT_DNSSL) {
-        char *domain;
-        int   domain_index;
-
-        ndp_msg_opt_dnssl_for_each_domain (domain, domain_index, msg, offset) {
-            NMNDiscDNSDomain dns_domain = {
-                .domain    = domain,
-                .timestamp = now,
-                .lifetime  = ndp_msg_opt_dnssl_lifetime(msg, offset),
-            };
-
-            /* Pad the lifetime somewhat to give a bit of slack in cases
-             * where one RA gets lost or something (which can happen on unreliable
-             * links like Wi-Fi where certain types of frames are not retransmitted).
-             * Note that 0 has special meaning and is therefore not adjusted.
-             */
-            if (dns_domain.lifetime && dns_domain.lifetime < 7200)
-                dns_domain.lifetime = 7200;
-            if (nm_ndisc_add_dns_domain(ndisc, &dns_domain))
-                changed |= NM_NDISC_CONFIG_DNS_DOMAINS;
-        }
-    }
-
-    hop_limit = ndp_msgra_curhoplimit(msgra);
-    if (rdata->public.hop_limit != hop_limit) {
-        rdata->public.hop_limit = hop_limit;
-        changed |= NM_NDISC_CONFIG_HOP_LIMIT;
-    }
-
-    val = ndp_msgra_reachable_time(msgra);
-    if (val && rdata->public.reachable_time_ms != val) {
-        rdata->public.reachable_time_ms = val;
-        changed |= NM_NDISC_CONFIG_REACHABLE_TIME;
-    }
-
-    val = ndp_msgra_retransmit_time(msgra);
-    if (val && rdata->public.retrans_timer_ms != val) {
-        rdata->public.retrans_timer_ms = val;
-        changed |= NM_NDISC_CONFIG_RETRANS_TIMER;
-    }
-
-    /* MTU */
-    ndp_msg_opt_for_each_offset (offset, msg, NDP_MSG_OPT_MTU) {
-        guint32 mtu = ndp_msg_opt_mtu(msg, offset);
-        if (mtu >= 1280) {
-            if (rdata->public.mtu != mtu) {
-                rdata->public.mtu = mtu;
-                changed |= NM_NDISC_CONFIG_MTU;
-            }
-        } else {
-            /* All sorts of bad things would happen if we accepted this.
-             * Kernel would set it, but would flush out all IPv6 addresses away
-             * from the link, even the link-local, and we wouldn't be able to
-             * listen for further RAs that could fix the MTU. */
-            _LOGW("MTU too small for IPv6 ignored: %d", mtu);
-        }
-    }
-
-    nm_ndisc_ra_received(ndisc, now, changed);
-    return 0;
-}
-
-static void *
-_ndp_msg_add_option(struct ndp_msg *msg, int len)
-{
-    void *ret = (uint8_t *) msg + ndp_msg_payload_len(msg);
-
-    len += ndp_msg_payload_len(msg);
-    if (len > ndp_msg_payload_maxlen(msg))
-        return NULL;
-
-    ndp_msg_payload_len_set(msg, len);
-    return ret;
-}
-
-#define NM_ND_OPT_RDNSS 25
-typedef struct {
-    struct nd_opt_hdr header;
-    uint16_t          reserved;
-    uint32_t          lifetime;
-    struct in6_addr   addrs[0];
-} NMLndpRdnssOption;
-
-#define NM_ND_OPT_DNSSL 31
-typedef struct {
-    struct nd_opt_hdr header;
-    uint16_t          reserved;
-    uint32_t          lifetime;
-    char              search_list[0];
-} NMLndpDnsslOption;
-
-static gboolean
-send_ra(NMNDisc *ndisc, GError **error)
-{
-    NMLndpNDiscPrivate *       priv  = NM_LNDP_NDISC_GET_PRIVATE(ndisc);
-    NMNDiscDataInternal *      rdata = ndisc->rdata;
-    gint32                     now   = nm_utils_get_monotonic_timestamp_sec();
-    int                        errsv;
-    struct in6_addr *          addr;
-    struct ndp_msg *           msg;
-    struct nd_opt_prefix_info *prefix;
-    int                        i;
-
-    errsv = ndp_msg_new(&msg, NDP_MSG_RA);
-    if (errsv) {
-        g_set_error_literal(error,
-                            NM_UTILS_ERROR,
-                            NM_UTILS_ERROR_UNKNOWN,
-                            "cannot create a router advertisement");
-        return FALSE;
-    }
-
-    ndp_msg_ifindex_set(msg, nm_ndisc_get_ifindex(ndisc));
-
-    /* Multicast to all nodes. */
-    addr               = ndp_msg_addrto(msg);
-    addr->s6_addr32[0] = htonl(0xff020000);
-    addr->s6_addr32[1] = 0;
-    addr->s6_addr32[2] = 0;
-    addr->s6_addr32[3] = htonl(0x1);
-
-    ndp_msgra_router_lifetime_set(ndp_msgra(msg), NM_NDISC_ROUTER_LIFETIME);
-
-    /* The device let us know about all addresses that the device got
-     * whose prefixes are suitable for delegating. Let's announce them. */
-    for (i = 0; i < rdata->addresses->len; i++) {
-        NMNDiscAddress *address = &g_array_index(rdata->addresses, NMNDiscAddress, i);
-        guint32 age      = NM_CLAMP((gint64) now - (gint64) address->timestamp, 0, G_MAXUINT32 - 1);
-        guint32 lifetime = address->lifetime;
-        guint32 preferred = address->preferred;
-
-        /* Clamp the life times if they're not forever. */
-        if (lifetime != NM_NDISC_INFINITY)
-            lifetime = lifetime > age ? lifetime - age : 0;
-        if (preferred != NM_NDISC_INFINITY)
-            preferred = preferred > age ? preferred - age : 0;
-
-        prefix = _ndp_msg_add_option(msg, sizeof(*prefix));
-        if (!prefix) {
-            /* Maybe we could sent separate RAs, but why bother... */
-            _LOGW("The RA is too big, had to omit some some prefixes.");
-            break;
-        }
-
-        prefix->nd_opt_pi_type       = ND_OPT_PREFIX_INFORMATION;
-        prefix->nd_opt_pi_len        = 4;
-        prefix->nd_opt_pi_prefix_len = 64;
-        prefix->nd_opt_pi_flags_reserved |= ND_OPT_PI_FLAG_ONLINK;
-        prefix->nd_opt_pi_flags_reserved |= ND_OPT_PI_FLAG_AUTO;
-        prefix->nd_opt_pi_valid_time          = htonl(lifetime);
-        prefix->nd_opt_pi_preferred_time      = htonl(preferred);
-        prefix->nd_opt_pi_prefix.s6_addr32[0] = address->address.s6_addr32[0];
-        prefix->nd_opt_pi_prefix.s6_addr32[1] = address->address.s6_addr32[1];
-        prefix->nd_opt_pi_prefix.s6_addr32[2] = 0;
-        prefix->nd_opt_pi_prefix.s6_addr32[3] = 0;
-    }
-
-    if (rdata->dns_servers->len) {
-        NMLndpRdnssOption *option;
-        int len = sizeof(*option) + sizeof(option->addrs[0]) * rdata->dns_servers->len;
-
-        option = _ndp_msg_add_option(msg, len);
-        if (option) {
-            option->header.nd_opt_type = NM_ND_OPT_RDNSS;
-            option->header.nd_opt_len  = len / 8;
-            option->lifetime           = htonl(900);
-
-            for (i = 0; i < rdata->dns_servers->len; i++) {
-                NMNDiscDNSServer *dns_server =
-                    &g_array_index(rdata->dns_servers, NMNDiscDNSServer, i);
-                option->addrs[i] = dns_server->address;
-            }
-        } else {
-            _LOGW("The RA is too big, had to omit DNS information.");
-        }
-    }
-
-    if (rdata->dns_domains->len) {
-        NMLndpDnsslOption *option;
-        NMNDiscDNSDomain * dns_server;
-        int                len = sizeof(*option);
-        char *             search_list;
-
-        for (i = 0; i < rdata->dns_domains->len; i++) {
-            dns_server = &g_array_index(rdata->dns_domains, NMNDiscDNSDomain, i);
-            len += strlen(dns_server->domain) + 2;
-        }
-        len = (len + 8) & ~0x7;
-
-        option = _ndp_msg_add_option(msg, len);
-        if (option) {
-            option->header.nd_opt_type = NM_ND_OPT_DNSSL;
-            option->header.nd_opt_len  = len / 8;
-            option->lifetime           = htonl(900);
-
-            search_list = option->search_list;
-            for (i = 0; i < rdata->dns_domains->len; i++) {
-                NMNDiscDNSDomain *dns_domain =
-                    &g_array_index(rdata->dns_domains, NMNDiscDNSDomain, i);
-                uint8_t domain_len = strlen(dns_domain->domain);
-
-                *search_list++ = domain_len;
-                memcpy(search_list, dns_domain->domain, domain_len);
-                search_list += domain_len;
-                *search_list++ = '\0';
-            }
-        } else {
-            _LOGW("The RA is too big, had to omit DNS search list.");
-        }
-    }
-
-    errsv = ndp_msg_send(priv->ndp, msg);
-
-    ndp_msg_destroy(msg);
-    if (errsv) {
-        errsv = nm_errno_native(errsv);
-        g_set_error(error,
-                    NM_UTILS_ERROR,
-                    NM_UTILS_ERROR_UNKNOWN,
-                    "%s (%d)",
-                    nm_strerror_native(errsv),
-                    errsv);
-        return FALSE;
-    }
-
-    return TRUE;
-}
-
-static int
-receive_rs(struct ndp *ndp, struct ndp_msg *msg, gpointer user_data)
-{
-    NMNDisc *ndisc = user_data;
-
-    nm_ndisc_rs_received(ndisc);
-    return 0;
-}
-
-static gboolean
-event_ready(int fd, GIOCondition condition, gpointer user_data)
-{
-    gs_unref_object NMNDisc *ndisc    = g_object_ref(NM_NDISC(user_data));
-    nm_auto_pop_netns NMPNetns *netns = NULL;
-    NMLndpNDiscPrivate *        priv  = NM_LNDP_NDISC_GET_PRIVATE(ndisc);
-
-    _LOGD("processing libndp events");
-
-    if (!nm_ndisc_netns_push(ndisc, &netns)) {
-        /* something is very wrong. Stop handling events. */
-        nm_clear_g_source_inst(&priv->event_source);
-        return G_SOURCE_REMOVE;
-    }
-
-    ndp_callall_eventfd_handler(priv->ndp);
-    return G_SOURCE_CONTINUE;
-}
-
-static void
-start(NMNDisc *ndisc)
-{
-    NMLndpNDiscPrivate *priv = NM_LNDP_NDISC_GET_PRIVATE(ndisc);
-    int                 fd;
-
-    g_return_if_fail(!priv->event_source);
-
-    fd = ndp_get_eventfd(priv->ndp);
-
-    priv->event_source =
-        nm_g_unix_fd_source_new(fd, G_IO_IN, G_PRIORITY_DEFAULT, event_ready, ndisc, NULL);
-    g_source_attach(priv->event_source, NULL);
-
-    /* Flush any pending messages to avoid using obsolete information */
-    event_ready(fd, 0, ndisc);
-
-    switch (nm_ndisc_get_node_type(ndisc)) {
-    case NM_NDISC_NODE_TYPE_HOST:
-        ndp_msgrcv_handler_register(priv->ndp,
-                                    receive_ra,
-                                    NDP_MSG_RA,
-                                    nm_ndisc_get_ifindex(ndisc),
-                                    ndisc);
-        break;
-    case NM_NDISC_NODE_TYPE_ROUTER:
-        ndp_msgrcv_handler_register(priv->ndp,
-                                    receive_rs,
-                                    NDP_MSG_RS,
-                                    nm_ndisc_get_ifindex(ndisc),
-                                    ndisc);
-        break;
-    default:
-        g_assert_not_reached();
-    }
-}
-
-static void
-_cleanup(NMNDisc *ndisc)
-{
-    NMLndpNDiscPrivate *priv = NM_LNDP_NDISC_GET_PRIVATE(ndisc);
-
-    nm_clear_g_source_inst(&priv->event_source);
-
-    if (priv->ndp) {
-        switch (nm_ndisc_get_node_type(ndisc)) {
-        case NM_NDISC_NODE_TYPE_HOST:
-            ndp_msgrcv_handler_unregister(priv->ndp,
-                                          receive_ra,
-                                          NDP_MSG_RA,
-                                          nm_ndisc_get_ifindex(ndisc),
-                                          ndisc);
-            break;
-        case NM_NDISC_NODE_TYPE_ROUTER:
-            ndp_msgrcv_handler_unregister(priv->ndp,
-                                          receive_rs,
-                                          NDP_MSG_RS,
-                                          nm_ndisc_get_ifindex(ndisc),
-                                          ndisc);
-            break;
-        default:
-            nm_assert_not_reached();
-            break;
-        }
-        ndp_close(priv->ndp);
-        priv->ndp = NULL;
-    }
-}
-
-static void
-stop(NMNDisc *ndisc)
-{
-    _cleanup(ndisc);
-}
-
-/*****************************************************************************/
-
-static int
-ipv6_sysctl_get(NMPlatform *platform,
-                const char *ifname,
-                const char *property,
-                int         min,
-                int         max,
-                int         defval)
-{
-    return nm_platform_sysctl_ip_conf_get_int_checked(platform,
-                                                      AF_INET6,
-                                                      ifname,
-                                                      property,
-                                                      10,
-                                                      min,
-                                                      max,
-                                                      defval);
-}
-
-void
-nm_lndp_ndisc_get_sysctl(NMPlatform *platform,
-                         const char *ifname,
-                         int *       out_max_addresses,
-                         int *       out_router_solicitations,
-                         int *       out_router_solicitation_interval,
-                         guint32 *   out_default_ra_timeout)
-{
-    int router_solicitation_interval = 0;
-    int router_solicitations         = 0;
-
-    if (out_max_addresses) {
-        *out_max_addresses = ipv6_sysctl_get(platform,
-                                             ifname,
-                                             "max_addresses",
-                                             0,
-                                             G_MAXINT32,
-                                             NM_NDISC_MAX_ADDRESSES_DEFAULT);
-    }
-    if (out_router_solicitations || out_default_ra_timeout) {
-        router_solicitations = ipv6_sysctl_get(platform,
-                                               ifname,
-                                               "router_solicitations",
-                                               1,
-                                               G_MAXINT32,
-                                               NM_NDISC_ROUTER_SOLICITATIONS_DEFAULT);
-        NM_SET_OUT(out_router_solicitations, router_solicitations);
-    }
-    if (out_router_solicitation_interval || out_default_ra_timeout) {
-        router_solicitation_interval =
-            ipv6_sysctl_get(platform,
-                            ifname,
-                            "router_solicitation_interval",
-                            1,
-                            G_MAXINT32,
-                            NM_NDISC_ROUTER_SOLICITATION_INTERVAL_DEFAULT);
-        NM_SET_OUT(out_router_solicitation_interval, router_solicitation_interval);
-    }
-    if (out_default_ra_timeout) {
-        *out_default_ra_timeout =
-            NM_MAX((((gint64) router_solicitations) * router_solicitation_interval) + 1, 30);
-    }
-}
-
-/*****************************************************************************/
-
-static void
-nm_lndp_ndisc_init(NMLndpNDisc *lndp_ndisc)
-{}
-
-NMNDisc *
-nm_lndp_ndisc_new(NMPlatform *                  platform,
-                  int                           ifindex,
-                  const char *                  ifname,
-                  NMUtilsStableType             stable_type,
-                  const char *                  network_id,
-                  NMSettingIP6ConfigAddrGenMode addr_gen_mode,
-                  NMNDiscNodeType               node_type,
-                  int                           max_addresses,
-                  int                           router_solicitations,
-                  int                           router_solicitation_interval,
-                  guint32                       ra_timeout,
-                  GError **                     error)
-{
-    nm_auto_pop_netns NMPNetns *netns = NULL;
-    NMNDisc *                   ndisc;
-    NMLndpNDiscPrivate *        priv;
-    int                         errsv;
-
-    g_return_val_if_fail(NM_IS_PLATFORM(platform), NULL);
-    g_return_val_if_fail(!error || !*error, NULL);
-    g_return_val_if_fail(network_id, NULL);
-
-    if (!nm_platform_netns_push(platform, &netns))
-        return NULL;
-
-    ndisc = g_object_new(NM_TYPE_LNDP_NDISC,
-                         NM_NDISC_PLATFORM,
-                         platform,
-                         NM_NDISC_STABLE_TYPE,
-                         (int) stable_type,
-                         NM_NDISC_IFINDEX,
-                         ifindex,
-                         NM_NDISC_IFNAME,
-                         ifname,
-                         NM_NDISC_NETWORK_ID,
-                         network_id,
-                         NM_NDISC_ADDR_GEN_MODE,
-                         (int) addr_gen_mode,
-                         NM_NDISC_NODE_TYPE,
-                         (int) node_type,
-                         NM_NDISC_MAX_ADDRESSES,
-                         max_addresses,
-                         NM_NDISC_ROUTER_SOLICITATIONS,
-                         router_solicitations,
-                         NM_NDISC_ROUTER_SOLICITATION_INTERVAL,
-                         router_solicitation_interval,
-                         NM_NDISC_RA_TIMEOUT,
-                         (guint) ra_timeout,
-                         NULL);
-
-    priv = NM_LNDP_NDISC_GET_PRIVATE(ndisc);
-
-    errsv = ndp_open(&priv->ndp);
-
-    if (errsv != 0) {
-        errsv = nm_errno_native(errsv);
-        g_set_error(error,
-                    NM_UTILS_ERROR,
-                    NM_UTILS_ERROR_UNKNOWN,
-                    "failure creating libndp socket: %s (%d)",
-                    nm_strerror_native(errsv),
-                    errsv);
-        g_object_unref(ndisc);
-        return NULL;
-    }
-    return ndisc;
-}
-
-static void
-dispose(GObject *object)
-{
-    NMNDisc *ndisc = NM_NDISC(object);
-
-    _cleanup(ndisc);
-
-    G_OBJECT_CLASS(nm_lndp_ndisc_parent_class)->dispose(object);
-}
-
-static void
-nm_lndp_ndisc_class_init(NMLndpNDiscClass *klass)
-{
-    GObjectClass *object_class = G_OBJECT_CLASS(klass);
-    NMNDiscClass *ndisc_class  = NM_NDISC_CLASS(klass);
-
-    object_class->dispose = dispose;
-    ndisc_class->start    = start;
-    ndisc_class->stop     = stop;
-    ndisc_class->send_rs  = send_rs;
-    ndisc_class->send_ra  = send_ra;
-}
diff --git a/src/ndisc/nm-lndp-ndisc.h b/src/ndisc/nm-lndp-ndisc.h
deleted file mode 100644
index a275be3e..00000000
--- a/src/ndisc/nm-lndp-ndisc.h
+++ /dev/null
@@ -1,46 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0+ */
-/*
- * Copyright (C) 2013 Red Hat, Inc.
- */
-
-#ifndef __NETWORKMANAGER_LNDP_NDISC_H__
-#define __NETWORKMANAGER_LNDP_NDISC_H__
-
-#include "nm-ndisc.h"
-#include "nm-core-utils.h"
-
-#define NM_TYPE_LNDP_NDISC (nm_lndp_ndisc_get_type())
-#define NM_LNDP_NDISC(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), NM_TYPE_LNDP_NDISC, NMLndpNDisc))
-#define NM_LNDP_NDISC_CLASS(klass) \
-    (G_TYPE_CHECK_CLASS_CAST((klass), NM_TYPE_LNDP_NDISC, NMLndpNDiscClass))
-#define NM_IS_LNDP_NDISC(obj)         (G_TYPE_CHECK_INSTANCE_TYPE((obj), NM_TYPE_LNDP_NDISC))
-#define NM_IS_LNDP_NDISC_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass), NM_TYPE_LNDP_NDISC))
-#define NM_LNDP_NDISC_GET_CLASS(obj) \
-    (G_TYPE_INSTANCE_GET_CLASS((obj), NM_TYPE_LNDP_NDISC, NMLndpNDiscClass))
-
-typedef struct _NMLndpNDisc      NMLndpNDisc;
-typedef struct _NMLndpNDiscClass NMLndpNDiscClass;
-
-GType nm_lndp_ndisc_get_type(void);
-
-NMNDisc *nm_lndp_ndisc_new(NMPlatform *                  platform,
-                           int                           ifindex,
-                           const char *                  ifname,
-                           NMUtilsStableType             stable_type,
-                           const char *                  network_id,
-                           NMSettingIP6ConfigAddrGenMode addr_gen_mode,
-                           NMNDiscNodeType               node_type,
-                           int                           max_addresses,
-                           int                           router_solicitations,
-                           int                           router_solicitation_interval,
-                           guint32                       ra_timeout,
-                           GError **                     error);
-
-void nm_lndp_ndisc_get_sysctl(NMPlatform *platform,
-                              const char *ifname,
-                              int *       out_max_addresses,
-                              int *       out_router_solicitations,
-                              int *       out_router_solicitation_interval,
-                              guint32 *   out_default_ra_timeout);
-
-#endif /* __NETWORKMANAGER_LNDP_NDISC_H__ */
diff --git a/src/ndisc/nm-ndisc-private.h b/src/ndisc/nm-ndisc-private.h
deleted file mode 100644
index a79a920b..00000000
--- a/src/ndisc/nm-ndisc-private.h
+++ /dev/null
@@ -1,67 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0+ */
-/*
- * Copyright (C) 2015 Red Hat, Inc.
- */
-
-#ifndef __NETWORKMANAGER_NDISC_PRIVATE_H__
-#define __NETWORKMANAGER_NDISC_PRIVATE_H__
-
-#include "nm-ndisc.h"
-
-/* Functions only used by ndisc implementations */
-
-struct _NMNDiscDataInternal {
-    NMNDiscData public;
-    GArray *gateways;
-    GArray *addresses;
-    GArray *routes;
-    GArray *dns_servers;
-    GArray *dns_domains;
-};
-
-typedef struct _NMNDiscDataInternal NMNDiscDataInternal;
-
-void nm_ndisc_ra_received(NMNDisc *ndisc, gint32 now, NMNDiscConfigMap changed);
-void nm_ndisc_rs_received(NMNDisc *ndisc);
-
-gboolean nm_ndisc_add_gateway(NMNDisc *ndisc, const NMNDiscGateway *new);
-gboolean nm_ndisc_complete_and_add_address(NMNDisc *ndisc, const NMNDiscAddress *new, gint32 now_s);
-gboolean nm_ndisc_add_route(NMNDisc *ndisc, const NMNDiscRoute *new);
-gboolean nm_ndisc_add_dns_server(NMNDisc *ndisc, const NMNDiscDNSServer *new);
-gboolean nm_ndisc_add_dns_domain(NMNDisc *ndisc, const NMNDiscDNSDomain *new);
-
-/*****************************************************************************/
-
-#define _NMLOG_DOMAIN      LOGD_IP6
-#define _NMLOG(level, ...) _LOG(level, _NMLOG_DOMAIN, ndisc, __VA_ARGS__)
-
-#define _LOG(level, domain, self, ...)                                                \
-    G_STMT_START                                                                      \
-    {                                                                                 \
-        const NMLogLevel  __level  = (level);                                         \
-        const NMLogDomain __domain = (domain);                                        \
-                                                                                      \
-        if (nm_logging_enabled(__level, __domain)) {                                  \
-            NMNDisc *const __self = (self);                                           \
-            char           __prefix[64];                                              \
-            const char *   __ifname = __self ? nm_ndisc_get_ifname(__self) : NULL;    \
-                                                                                      \
-            _nm_log(__level,                                                          \
-                    __domain,                                                         \
-                    0,                                                                \
-                    __ifname,                                                         \
-                    NULL,                                                             \
-                    "%s: " _NM_UTILS_MACRO_FIRST(__VA_ARGS__),                        \
-                    (__self ? nm_sprintf_buf(__prefix,                                \
-                                             "%s[%p,%s%s%s]",                         \
-                                             _NMLOG_PREFIX_NAME,                      \
-                                             __self,                                  \
-                                             NM_PRINT_FMT_QUOTE_STRING(__ifname))     \
-                            : _NMLOG_PREFIX_NAME) _NM_UTILS_MACRO_REST(__VA_ARGS__)); \
-        }                                                                             \
-    }                                                                                 \
-    G_STMT_END
-
-/*****************************************************************************/
-
-#endif /* __NETWORKMANAGER_NDISC_PRIVATE_H__ */
diff --git a/src/ndisc/nm-ndisc.c b/src/ndisc/nm-ndisc.c
deleted file mode 100644
index f8805c02..00000000
--- a/src/ndisc/nm-ndisc.c
+++ /dev/null
@@ -1,1696 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0+ */
-/*
- * Copyright (C) 2013 Red Hat, Inc.
- */
-
-#include "nm-default.h"
-
-#include "nm-ndisc.h"
-
-#include <stdlib.h>
-#include <arpa/inet.h>
-
-#include "nm-setting-ip6-config.h"
-
-#include "nm-ndisc-private.h"
-#include "nm-utils.h"
-#include "platform/nm-platform.h"
-#include "platform/nmp-netns.h"
-#include "nm-l3-config-data.h"
-
-#define _NMLOG_PREFIX_NAME "ndisc"
-
-/*****************************************************************************/
-
-struct _NMNDiscPrivate {
-    /* this *must* be the first field. */
-    NMNDiscDataInternal rdata;
-
-    char *   last_error;
-    GSource *ra_timeout_source;
-
-    union {
-        gint32 solicitations_left;
-        gint32 announcements_left;
-    };
-    union {
-        guint send_rs_id;
-        guint send_ra_id;
-    };
-    union {
-        gint32 last_rs;
-        gint32 last_ra;
-    };
-    guint              timeout_id; /* prefix/dns/etc lifetime timeout */
-    NMUtilsIPv6IfaceId iid;
-
-    /* immutable values: */
-    int                           ifindex;
-    char *                        ifname;
-    char *                        network_id;
-    NMSettingIP6ConfigAddrGenMode addr_gen_mode;
-    NMUtilsStableType             stable_type;
-    guint32                       ra_timeout;
-    gint32                        max_addresses;
-    gint32                        router_solicitations;
-    gint32                        router_solicitation_interval;
-    NMNDiscNodeType               node_type;
-
-    NMPlatform *platform;
-    NMPNetns *  netns;
-};
-
-typedef struct _NMNDiscPrivate NMNDiscPrivate;
-
-NM_GOBJECT_PROPERTIES_DEFINE_BASE(PROP_PLATFORM,
-                                  PROP_IFINDEX,
-                                  PROP_IFNAME,
-                                  PROP_STABLE_TYPE,
-                                  PROP_NETWORK_ID,
-                                  PROP_ADDR_GEN_MODE,
-                                  PROP_MAX_ADDRESSES,
-                                  PROP_RA_TIMEOUT,
-                                  PROP_ROUTER_SOLICITATIONS,
-                                  PROP_ROUTER_SOLICITATION_INTERVAL,
-                                  PROP_NODE_TYPE, );
-
-enum { CONFIG_RECEIVED, RA_TIMEOUT_SIGNAL, LAST_SIGNAL };
-
-static guint signals[LAST_SIGNAL] = {0};
-
-G_DEFINE_TYPE(NMNDisc, nm_ndisc, G_TYPE_OBJECT)
-
-#define NM_NDISC_GET_PRIVATE(self) _NM_GET_PRIVATE_PTR(self, NMNDisc, NM_IS_NDISC)
-
-/*****************************************************************************/
-
-static void _config_changed_log(NMNDisc *ndisc, NMNDiscConfigMap changed);
-
-/*****************************************************************************/
-
-NML3ConfigData *
-nm_ndisc_data_to_l3cd(NMDedupMultiIndex *       multi_idx,
-                      int                       ifindex,
-                      const NMNDiscData *       rdata,
-                      NMSettingIP6ConfigPrivacy ip6_privacy,
-                      guint32                   route_table,
-                      guint32                   route_metric,
-                      gboolean                  kernel_support_rta_pref,
-                      gboolean                  kernel_support_extended_ifa_flags)
-{
-    nm_auto_unref_l3cd_init NML3ConfigData *l3cd = NULL;
-    guint32                                 ifa_flags;
-    guint8                                  plen;
-    guint                                   i;
-
-    l3cd = nm_l3_config_data_new(multi_idx, ifindex);
-
-    nm_l3_config_data_set_source(l3cd, NM_IP_CONFIG_SOURCE_NDISC);
-
-    nm_l3_config_data_set_ip6_privacy(l3cd, ip6_privacy);
-
-    /* Check, whether kernel is recent enough to help user space handling RA.
-     * If it's not supported, we have no ipv6-privacy and must add autoconf
-     * addresses as /128. The reason for the /128 is to prevent the kernel
-     * from adding a prefix route for this address. */
-    ifa_flags = 0;
-    if (kernel_support_extended_ifa_flags) {
-        ifa_flags |= IFA_F_NOPREFIXROUTE;
-        if (NM_IN_SET(ip6_privacy,
-                      NM_SETTING_IP6_CONFIG_PRIVACY_PREFER_TEMP_ADDR,
-                      NM_SETTING_IP6_CONFIG_PRIVACY_PREFER_PUBLIC_ADDR))
-            ifa_flags |= IFA_F_MANAGETEMPADDR;
-        plen = 64;
-    } else
-        plen = 128;
-
-    for (i = 0; i < rdata->addresses_n; i++) {
-        const NMNDiscAddress *ndisc_addr = &rdata->addresses[i];
-        NMPlatformIP6Address  a;
-
-        a = (NMPlatformIP6Address){
-            .ifindex     = ifindex,
-            .address     = ndisc_addr->address,
-            .plen        = plen,
-            .timestamp   = ndisc_addr->timestamp,
-            .lifetime    = ndisc_addr->lifetime,
-            .preferred   = MIN(ndisc_addr->lifetime, ndisc_addr->preferred),
-            .addr_source = NM_IP_CONFIG_SOURCE_NDISC,
-            .n_ifa_flags = ifa_flags,
-        };
-
-        nm_l3_config_data_add_address_6(l3cd, &a);
-    }
-
-    for (i = 0; i < rdata->routes_n; i++) {
-        const NMNDiscRoute *ndisc_route = &rdata->routes[i];
-        NMPlatformIP6Route  r;
-
-        r = (NMPlatformIP6Route){
-            .ifindex       = ifindex,
-            .network       = ndisc_route->network,
-            .plen          = ndisc_route->plen,
-            .gateway       = ndisc_route->gateway,
-            .rt_source     = NM_IP_CONFIG_SOURCE_NDISC,
-            .table_coerced = nm_platform_route_table_coerce(route_table),
-            .metric        = route_metric,
-            .rt_pref       = ndisc_route->preference,
-        };
-        nm_assert((NMIcmpv6RouterPref) r.rt_pref == ndisc_route->preference);
-
-        nm_l3_config_data_add_route_6(l3cd, &r);
-    }
-
-    if (rdata->gateways_n > 0) {
-        const NMIcmpv6RouterPref first_pref = rdata->gateways[0].preference;
-        NMPlatformIP6Route       r          = {
-            .rt_source     = NM_IP_CONFIG_SOURCE_NDISC,
-            .ifindex       = ifindex,
-            .table_coerced = nm_platform_route_table_coerce(route_table),
-            .metric        = route_metric,
-        };
-
-        for (i = 0; i < rdata->gateways_n; i++) {
-            r.gateway = rdata->gateways[i].address;
-            r.rt_pref = rdata->gateways[i].preference;
-            nm_assert((NMIcmpv6RouterPref) r.rt_pref == rdata->gateways[i].preference);
-            nm_l3_config_data_add_route_6(l3cd, &r);
-
-            if (first_pref != rdata->gateways[i].preference && !kernel_support_rta_pref) {
-                /* We are unable to configure a router preference. Hence, we skip all gateways
-                 * with a different preference from the first gateway. Note, that the gateways
-                 * are sorted in order of highest to lowest preference. */
-                break;
-            }
-        }
-    }
-
-    for (i = 0; i < rdata->dns_servers_n; i++)
-        nm_l3_config_data_add_nameserver(l3cd, AF_INET6, &rdata->dns_servers[i].address);
-
-    for (i = 0; i < rdata->dns_domains_n; i++)
-        nm_l3_config_data_add_search(l3cd, AF_INET6, rdata->dns_domains[i].domain);
-
-    nm_l3_config_data_set_ndisc_hop_limit(l3cd, rdata->hop_limit);
-    nm_l3_config_data_set_ndisc_reachable_time_msec(l3cd, rdata->reachable_time_ms);
-    nm_l3_config_data_set_ndisc_retrans_timer_msec(l3cd, rdata->retrans_timer_ms);
-
-    nm_l3_config_data_set_ip6_mtu(l3cd, rdata->mtu);
-
-    return g_steal_pointer(&l3cd);
-}
-
-/*****************************************************************************/
-
-static guint8
-_preference_to_priority(NMIcmpv6RouterPref pref)
-{
-    switch (pref) {
-    case NM_ICMPV6_ROUTER_PREF_LOW:
-        return 1;
-    case NM_ICMPV6_ROUTER_PREF_MEDIUM:
-        return 2;
-    case NM_ICMPV6_ROUTER_PREF_HIGH:
-        return 3;
-    case NM_ICMPV6_ROUTER_PREF_INVALID:
-        break;
-    }
-    return 0;
-}
-
-/*****************************************************************************/
-
-/* we rely on the fact, that _EXPIRY_INFINITY > any other valid gint64 timestamps. */
-#define _EXPIRY_INFINITY G_MAXINT64
-
-static gint64
-get_expiry_time(guint32 timestamp, guint32 lifetime)
-{
-    nm_assert(timestamp > 0);
-    nm_assert(timestamp <= G_MAXINT32);
-
-    if (lifetime == NM_NDISC_INFINITY)
-        return _EXPIRY_INFINITY;
-    return ((gint64) timestamp) + ((gint64) lifetime);
-}
-
-#define get_expiry(item)                                    \
-    ({                                                      \
-        typeof(item) _item = (item);                        \
-        nm_assert(_item);                                   \
-        get_expiry_time(_item->timestamp, _item->lifetime); \
-    })
-
-#define get_expiry_half(item)                                         \
-    ({                                                                \
-        typeof(item) _item = (item);                                  \
-        nm_assert(_item);                                             \
-        (_item->lifetime == NM_NDISC_INFINITY)                        \
-            ? _EXPIRY_INFINITY                                        \
-            : get_expiry_time(_item->timestamp, _item->lifetime / 2); \
-    })
-
-#define get_expiry_preferred(item)                           \
-    ({                                                       \
-        typeof(item) _item = (item);                         \
-        nm_assert(_item);                                    \
-        get_expiry_time(_item->timestamp, _item->preferred); \
-    })
-
-static gboolean
-expiry_next(gint32 now_s, gint64 expiry_timestamp, gint32 *nextevent)
-{
-    gint32 e;
-
-    if (expiry_timestamp == _EXPIRY_INFINITY)
-        return TRUE;
-    e = MIN(expiry_timestamp, ((gint64)(G_MAXINT32 - 1)));
-    if (now_s >= e)
-        return FALSE;
-    if (nextevent) {
-        if (*nextevent > e)
-            *nextevent = e;
-    }
-    return TRUE;
-}
-
-static const char *
-_get_exp(char *buf, gsize buf_size, gint64 now_ns, gint64 expiry_time)
-{
-    int l;
-
-    if (expiry_time == _EXPIRY_INFINITY)
-        return "permanent";
-    l = g_snprintf(buf,
-                   buf_size,
-                   "%.4f",
-                   ((double) ((expiry_time * NM_UTILS_NSEC_PER_SEC) - now_ns))
-                       / ((double) NM_UTILS_NSEC_PER_SEC));
-    nm_assert(l < buf_size);
-    return buf;
-}
-
-#define get_exp(buf, now_ns, item) _get_exp((buf), G_N_ELEMENTS(buf), (now_ns), (get_expiry(item)))
-
-/*****************************************************************************/
-
-NMPNetns *
-nm_ndisc_netns_get(NMNDisc *self)
-{
-    g_return_val_if_fail(NM_IS_NDISC(self), NULL);
-
-    return NM_NDISC_GET_PRIVATE(self)->netns;
-}
-
-gboolean
-nm_ndisc_netns_push(NMNDisc *self, NMPNetns **netns)
-{
-    NMNDiscPrivate *priv;
-
-    g_return_val_if_fail(NM_IS_NDISC(self), FALSE);
-
-    priv = NM_NDISC_GET_PRIVATE(self);
-    if (priv->netns && !nmp_netns_push(priv->netns)) {
-        NM_SET_OUT(netns, NULL);
-        return FALSE;
-    }
-
-    NM_SET_OUT(netns, priv->netns);
-    return TRUE;
-}
-
-/*****************************************************************************/
-
-int
-nm_ndisc_get_ifindex(NMNDisc *self)
-{
-    g_return_val_if_fail(NM_IS_NDISC(self), 0);
-
-    return NM_NDISC_GET_PRIVATE(self)->ifindex;
-}
-
-const char *
-nm_ndisc_get_ifname(NMNDisc *self)
-{
-    g_return_val_if_fail(NM_IS_NDISC(self), NULL);
-
-    return NM_NDISC_GET_PRIVATE(self)->ifname;
-}
-
-NMNDiscNodeType
-nm_ndisc_get_node_type(NMNDisc *self)
-{
-    g_return_val_if_fail(NM_IS_NDISC(self), NM_NDISC_NODE_TYPE_INVALID);
-
-    return NM_NDISC_GET_PRIVATE(self)->node_type;
-}
-
-/*****************************************************************************/
-
-static void
-_ASSERT_data_gateways(const NMNDiscDataInternal *data)
-{
-#if NM_MORE_ASSERTS > 10
-    guint                 i, j;
-    const NMNDiscGateway *item_prev = NULL;
-
-    if (!data->gateways->len)
-        return;
-
-    for (i = 0; i < data->gateways->len; i++) {
-        const NMNDiscGateway *item = &g_array_index(data->gateways, NMNDiscGateway, i);
-
-        nm_assert(!IN6_IS_ADDR_UNSPECIFIED(&item->address));
-        nm_assert(item->timestamp > 0 && item->timestamp <= G_MAXINT32);
-        for (j = 0; j < i; j++) {
-            const NMNDiscGateway *item2 = &g_array_index(data->gateways, NMNDiscGateway, j);
-
-            nm_assert(!IN6_ARE_ADDR_EQUAL(&item->address, &item2->address));
-        }
-
-        nm_assert(item->lifetime > 0);
-        if (i > 0)
-            nm_assert(_preference_to_priority(item_prev->preference)
-                      >= _preference_to_priority(item->preference));
-
-        item_prev = item;
-    }
-#endif
-}
-
-/*****************************************************************************/
-
-static const NMNDiscData *
-_data_complete(NMNDiscDataInternal *data)
-{
-    _ASSERT_data_gateways(data);
-
-#define _SET(data, field)                                      \
-    G_STMT_START                                               \
-    {                                                          \
-        if ((data->public.field##_n = data->field->len) > 0)   \
-            data->public.field = (gpointer) data->field->data; \
-        else                                                   \
-            data->public.field = NULL;                         \
-    }                                                          \
-    G_STMT_END
-    _SET(data, gateways);
-    _SET(data, addresses);
-    _SET(data, routes);
-    _SET(data, dns_servers);
-    _SET(data, dns_domains);
-#undef _SET
-    return &data->public;
-}
-
-void
-nm_ndisc_emit_config_change(NMNDisc *self, NMNDiscConfigMap changed)
-{
-    _config_changed_log(self, changed);
-    g_signal_emit(self,
-                  signals[CONFIG_RECEIVED],
-                  0,
-                  _data_complete(&NM_NDISC_GET_PRIVATE(self)->rdata),
-                  (guint) changed);
-}
-
-/*****************************************************************************/
-
-gboolean
-nm_ndisc_add_gateway(NMNDisc *ndisc, const NMNDiscGateway *new)
-{
-    NMNDiscDataInternal *rdata = &NM_NDISC_GET_PRIVATE(ndisc)->rdata;
-    guint                i;
-    guint                insert_idx = G_MAXUINT;
-
-    for (i = 0; i < rdata->gateways->len;) {
-        NMNDiscGateway *item = &g_array_index(rdata->gateways, NMNDiscGateway, i);
-
-        if (IN6_ARE_ADDR_EQUAL(&item->address, &new->address)) {
-            if (new->lifetime == 0) {
-                g_array_remove_index(rdata->gateways, i);
-                _ASSERT_data_gateways(rdata);
-                return TRUE;
-            }
-
-            if (item->preference != new->preference) {
-                g_array_remove_index(rdata->gateways, i);
-                continue;
-            }
-
-            if (get_expiry(item) == get_expiry(new))
-                return FALSE;
-
-            *item = *new;
-            _ASSERT_data_gateways(rdata);
-            return TRUE;
-        }
-
-        /* Put before less preferable gateways. */
-        if (_preference_to_priority(item->preference) < _preference_to_priority(new->preference)
-            && insert_idx == G_MAXUINT)
-            insert_idx = i;
-
-        i++;
-    }
-
-    if (new->lifetime) {
-        g_array_insert_val(rdata->gateways,
-                           insert_idx == G_MAXUINT ? rdata->gateways->len : insert_idx,
-                           *new);
-    }
-    _ASSERT_data_gateways(rdata);
-    return !!new->lifetime;
-}
-
-/**
- * complete_address:
- * @ndisc: the #NMNDisc
- * @addr: the #NMNDiscAddress
- *
- * Adds the host part to the address that has network part set.
- * If the address already has a host part, add a different host part
- * if possible (this is useful in case DAD failed).
- *
- * Can fail if a different address can not be generated (DAD failure
- * for an EUI-64 address or DAD counter overflow).
- *
- * Returns: %TRUE if the address could be completed, %FALSE otherwise.
- **/
-static gboolean
-complete_address(NMNDisc *ndisc, NMNDiscAddress *addr)
-{
-    NMNDiscPrivate *priv;
-    GError *        error = NULL;
-
-    g_return_val_if_fail(NM_IS_NDISC(ndisc), FALSE);
-
-    priv = NM_NDISC_GET_PRIVATE(ndisc);
-    if (priv->addr_gen_mode == NM_SETTING_IP6_CONFIG_ADDR_GEN_MODE_STABLE_PRIVACY) {
-        if (!nm_utils_ipv6_addr_set_stable_privacy(priv->stable_type,
-                                                   &addr->address,
-                                                   priv->ifname,
-                                                   priv->network_id,
-                                                   addr->dad_counter++,
-                                                   &error)) {
-            _LOGW("complete-address: failed to generate an stable-privacy address: %s",
-                  error->message);
-            g_clear_error(&error);
-            return FALSE;
-        }
-        _LOGD("complete-address: using an stable-privacy address");
-        return TRUE;
-    }
-
-    if (!priv->iid.id) {
-        _LOGW("complete-address: can't generate an EUI-64 address: no interface identifier");
-        return FALSE;
-    }
-
-    if (addr->address.s6_addr32[2] == 0x0 && addr->address.s6_addr32[3] == 0x0) {
-        _LOGD("complete-address: adding an EUI-64 address");
-        nm_utils_ipv6_addr_set_interface_identifier(&addr->address, priv->iid);
-        return TRUE;
-    }
-
-    _LOGW("complete-address: can't generate a new EUI-64 address");
-    return FALSE;
-}
-
-static gboolean
-nm_ndisc_add_address(NMNDisc *ndisc, const NMNDiscAddress *new, gint32 now_s, gboolean from_ra)
-{
-    NMNDiscPrivate *     priv  = NM_NDISC_GET_PRIVATE(ndisc);
-    NMNDiscDataInternal *rdata = &priv->rdata;
-    NMNDiscAddress       new2;
-    NMNDiscAddress *     existing = NULL;
-    guint                i;
-
-    nm_assert(new);
-    nm_assert(new->timestamp > 0 && new->timestamp < G_MAXINT32);
-    nm_assert(!IN6_IS_ADDR_UNSPECIFIED(&new->address));
-    nm_assert(!IN6_IS_ADDR_LINKLOCAL(&new->address));
-    nm_assert(new->preferred <= new->lifetime);
-    nm_assert(!from_ra || now_s > 0);
-
-    for (i = 0; i < rdata->addresses->len; i++) {
-        NMNDiscAddress *item = &g_array_index(rdata->addresses, NMNDiscAddress, i);
-
-        if (from_ra) {
-            /* RFC4862 5.5.3.d, we find an existing address with the same prefix.
-             * (note that all prefixes at this point have implicitly length /64). */
-            if (memcmp(&item->address, &new->address, 8) == 0) {
-                existing = item;
-                break;
-            }
-        } else {
-            if (IN6_ARE_ADDR_EQUAL(&item->address, &new->address)) {
-                existing = item;
-                break;
-            }
-        }
-    }
-
-    if (existing) {
-        if (from_ra) {
-            const gint32 NM_NDISC_PREFIX_LFT_MIN = 7200; /* seconds, RFC4862 5.5.3.e */
-            gint64       old_expiry_lifetime, old_expiry_preferred;
-
-            old_expiry_lifetime  = get_expiry(existing);
-            old_expiry_preferred = get_expiry_preferred(existing);
-
-            if (new->lifetime == NM_NDISC_INFINITY)
-                existing->lifetime = NM_NDISC_INFINITY;
-            else {
-                gint64 new_lifetime, remaining_lifetime;
-
-                /* see RFC4862 5.5.3.e */
-                if (existing->lifetime == NM_NDISC_INFINITY)
-                    remaining_lifetime = G_MAXINT64;
-                else
-                    remaining_lifetime = ((gint64) existing->timestamp)
-                                         + ((gint64) existing->lifetime) - ((gint64) now_s);
-                new_lifetime =
-                    ((gint64) new->timestamp) + ((gint64) new->lifetime) - ((gint64) now_s);
-
-                if (new_lifetime > (gint64) NM_NDISC_PREFIX_LFT_MIN
-                    || new_lifetime > remaining_lifetime) {
-                    existing->timestamp = now_s;
-                    existing->lifetime = CLAMP(new_lifetime, (gint64) 0, (gint64)(G_MAXUINT32 - 1));
-                } else if (remaining_lifetime <= (gint64) NM_NDISC_PREFIX_LFT_MIN) {
-                    /* keep the current lifetime. */
-                } else {
-                    existing->timestamp = now_s;
-                    existing->lifetime  = NM_NDISC_PREFIX_LFT_MIN;
-                }
-            }
-
-            if (new->preferred == NM_NDISC_INFINITY) {
-                nm_assert(existing->lifetime == NM_NDISC_INFINITY);
-                existing->preferred = new->preferred;
-            } else {
-                existing->preferred = NM_CLAMP(((gint64) new->timestamp) + ((gint64) new->preferred)
-                                                   - ((gint64) existing->timestamp),
-                                               0,
-                                               G_MAXUINT32 - 1);
-                if (existing->lifetime != NM_NDISC_INFINITY)
-                    existing->preferred = MIN(existing->preferred, existing->lifetime);
-            }
-
-            return old_expiry_lifetime != get_expiry(existing)
-                   || old_expiry_preferred != get_expiry_preferred(existing);
-        }
-
-        if (new->lifetime == 0) {
-            g_array_remove_index(rdata->addresses, i);
-            return TRUE;
-        }
-
-        if (get_expiry(existing) == get_expiry(new)
-            && get_expiry_preferred(existing) == get_expiry_preferred(new))
-            return FALSE;
-
-        existing->timestamp = new->timestamp;
-        existing->lifetime  = new->lifetime;
-        existing->preferred = new->preferred;
-        return TRUE;
-    }
-
-    /* we create at most max_addresses autoconf addresses. This is different from
-     * what the kernel does, because it considers *all* addresses (including
-     * static and other temporary addresses).
-     **/
-    if (priv->max_addresses && rdata->addresses->len >= priv->max_addresses)
-        return FALSE;
-
-    if (new->lifetime == 0)
-        return FALSE;
-
-    if (from_ra) {
-        new2             = *new;
-        new2.dad_counter = 0;
-        if (!complete_address(ndisc, &new2))
-            return FALSE;
-        new = &new2;
-    }
-
-    g_array_append_val(rdata->addresses, *new);
-    return TRUE;
-}
-
-gboolean
-nm_ndisc_complete_and_add_address(NMNDisc *ndisc, const NMNDiscAddress *new, gint32 now_s)
-{
-    return nm_ndisc_add_address(ndisc, new, now_s, TRUE);
-}
-
-gboolean
-nm_ndisc_add_route(NMNDisc *ndisc, const NMNDiscRoute *new)
-{
-    NMNDiscPrivate *     priv;
-    NMNDiscDataInternal *rdata;
-    guint                i;
-    guint                insert_idx = G_MAXUINT;
-
-    if (new->plen == 0 || new->plen > 128) {
-        /* Only expect non-default routes.  The router has no idea what the
-         * local configuration or user preferences are, so sending routes
-         * with a prefix length of 0 must be ignored by NMNDisc.
-         *
-         * Also, upper layers also don't expect that NMNDisc exposes routes
-         * with a plen or zero or larger then 128.
-         */
-        g_return_val_if_reached(FALSE);
-    }
-
-    priv  = NM_NDISC_GET_PRIVATE(ndisc);
-    rdata = &priv->rdata;
-
-    for (i = 0; i < rdata->routes->len;) {
-        NMNDiscRoute *item = &g_array_index(rdata->routes, NMNDiscRoute, i);
-
-        if (IN6_ARE_ADDR_EQUAL(&item->network, &new->network) && item->plen == new->plen) {
-            if (new->lifetime == 0) {
-                g_array_remove_index(rdata->routes, i);
-                return TRUE;
-            }
-
-            if (item->preference != new->preference) {
-                g_array_remove_index(rdata->routes, i);
-                continue;
-            }
-
-            if (get_expiry(item) == get_expiry(new)
-                && IN6_ARE_ADDR_EQUAL(&item->gateway, &new->gateway))
-                return FALSE;
-
-            *item = *new;
-            return TRUE;
-        }
-
-        /* Put before less preferable routes. */
-        if (_preference_to_priority(item->preference) < _preference_to_priority(new->preference)
-            && insert_idx == G_MAXUINT)
-            insert_idx = i;
-
-        i++;
-    }
-
-    if (new->lifetime) {
-        g_array_insert_val(rdata->routes, insert_idx == G_MAXUINT ? 0u : insert_idx, *new);
-    }
-    return !!new->lifetime;
-}
-
-gboolean
-nm_ndisc_add_dns_server(NMNDisc *ndisc, const NMNDiscDNSServer *new)
-{
-    NMNDiscPrivate *     priv;
-    NMNDiscDataInternal *rdata;
-    guint                i;
-
-    priv  = NM_NDISC_GET_PRIVATE(ndisc);
-    rdata = &priv->rdata;
-
-    for (i = 0; i < rdata->dns_servers->len; i++) {
-        NMNDiscDNSServer *item = &g_array_index(rdata->dns_servers, NMNDiscDNSServer, i);
-
-        if (IN6_ARE_ADDR_EQUAL(&item->address, &new->address)) {
-            if (new->lifetime == 0) {
-                g_array_remove_index(rdata->dns_servers, i);
-                return TRUE;
-            }
-
-            if (get_expiry(item) == get_expiry(new))
-                return FALSE;
-
-            *item = *new;
-            return TRUE;
-        }
-    }
-
-    if (new->lifetime)
-        g_array_append_val(rdata->dns_servers, *new);
-    return !!new->lifetime;
-}
-
-/* Copies new->domain if 'new' is added to the dns_domains list */
-gboolean
-nm_ndisc_add_dns_domain(NMNDisc *ndisc, const NMNDiscDNSDomain *new)
-{
-    NMNDiscPrivate *     priv;
-    NMNDiscDataInternal *rdata;
-    NMNDiscDNSDomain *   item;
-    guint                i;
-
-    priv  = NM_NDISC_GET_PRIVATE(ndisc);
-    rdata = &priv->rdata;
-
-    for (i = 0; i < rdata->dns_domains->len; i++) {
-        item = &g_array_index(rdata->dns_domains, NMNDiscDNSDomain, i);
-
-        if (!g_strcmp0(item->domain, new->domain)) {
-            if (new->lifetime == 0) {
-                g_array_remove_index(rdata->dns_domains, i);
-                return TRUE;
-            }
-
-            if (get_expiry(item) == get_expiry(new))
-                return FALSE;
-
-            item->timestamp = new->timestamp;
-            item->lifetime  = new->lifetime;
-            return TRUE;
-        }
-    }
-
-    if (new->lifetime) {
-        g_array_append_val(rdata->dns_domains, *new);
-        item = &g_array_index(rdata->dns_domains, NMNDiscDNSDomain, rdata->dns_domains->len - 1);
-        item->domain = g_strdup(new->domain);
-    }
-    return !!new->lifetime;
-}
-
-/*****************************************************************************/
-
-#define _MAYBE_WARN(...)                                                       \
-    G_STMT_START                                                               \
-    {                                                                          \
-        gboolean _different_message;                                           \
-                                                                               \
-        _different_message = g_strcmp0(priv->last_error, error->message) != 0; \
-        _NMLOG(_different_message ? LOGL_WARN : LOGL_DEBUG, __VA_ARGS__);      \
-        if (_different_message) {                                              \
-            nm_clear_g_free(&priv->last_error);                                \
-            priv->last_error = g_strdup(error->message);                       \
-        }                                                                      \
-    }                                                                          \
-    G_STMT_END
-
-static gboolean
-send_rs_timeout(NMNDisc *ndisc)
-{
-    nm_auto_pop_netns NMPNetns *netns = NULL;
-    NMNDiscClass *              klass = NM_NDISC_GET_CLASS(ndisc);
-    NMNDiscPrivate *            priv  = NM_NDISC_GET_PRIVATE(ndisc);
-    GError *                    error = NULL;
-
-    priv->send_rs_id = 0;
-
-    if (!nm_ndisc_netns_push(ndisc, &netns))
-        return G_SOURCE_REMOVE;
-
-    if (klass->send_rs(ndisc, &error)) {
-        _LOGD("router solicitation sent");
-        priv->solicitations_left--;
-        nm_clear_g_free(&priv->last_error);
-    } else {
-        _MAYBE_WARN("failure sending router solicitation: %s", error->message);
-        g_clear_error(&error);
-    }
-
-    priv->last_rs = nm_utils_get_monotonic_timestamp_sec();
-    if (priv->solicitations_left > 0) {
-        _LOGD("scheduling router solicitation retry in %d seconds.",
-              (int) priv->router_solicitation_interval);
-        priv->send_rs_id = g_timeout_add_seconds(priv->router_solicitation_interval,
-                                                 (GSourceFunc) send_rs_timeout,
-                                                 ndisc);
-    } else {
-        _LOGD("did not receive a router advertisement after %d solicitations.",
-              (int) priv->router_solicitations);
-    }
-
-    return G_SOURCE_REMOVE;
-}
-
-static void
-solicit_routers(NMNDisc *ndisc)
-{
-    NMNDiscPrivate *priv = NM_NDISC_GET_PRIVATE(ndisc);
-    gint32          now, next;
-    gint64          t;
-
-    if (priv->send_rs_id)
-        return;
-
-    now                      = nm_utils_get_monotonic_timestamp_sec();
-    priv->solicitations_left = priv->router_solicitations;
-
-    t    = (((gint64) priv->last_rs) + priv->router_solicitation_interval) - now;
-    next = CLAMP(t, 0, G_MAXINT32);
-    _LOGD("scheduling explicit router solicitation request in %" G_GINT32_FORMAT " seconds.", next);
-    priv->send_rs_id = g_timeout_add_seconds((guint32) next, (GSourceFunc) send_rs_timeout, ndisc);
-}
-
-static gboolean
-announce_router(NMNDisc *ndisc)
-{
-    nm_auto_pop_netns NMPNetns *netns = NULL;
-    NMNDiscClass *              klass = NM_NDISC_GET_CLASS(ndisc);
-    NMNDiscPrivate *            priv  = NM_NDISC_GET_PRIVATE(ndisc);
-    GError *                    error = NULL;
-
-    if (!nm_ndisc_netns_push(ndisc, &netns))
-        return G_SOURCE_REMOVE;
-
-    priv->last_ra = nm_utils_get_monotonic_timestamp_sec();
-    if (klass->send_ra(ndisc, &error)) {
-        _LOGD("router advertisement sent");
-        nm_clear_g_free(&priv->last_error);
-    } else {
-        _MAYBE_WARN("failure sending router advertisement: %s", error->message);
-        g_clear_error(&error);
-    }
-
-    if (--priv->announcements_left) {
-        _LOGD("will resend an initial router advertisement");
-
-        /* Schedule next initial announcement retransmit. */
-        priv->send_ra_id =
-            g_timeout_add_seconds(g_random_int_range(NM_NDISC_ROUTER_ADVERT_DELAY,
-                                                     NM_NDISC_ROUTER_ADVERT_INITIAL_INTERVAL),
-                                  (GSourceFunc) announce_router,
-                                  ndisc);
-    } else {
-        _LOGD("will send an unsolicited router advertisement");
-
-        /* Schedule next unsolicited announcement. */
-        priv->announcements_left = 1;
-        priv->send_ra_id         = g_timeout_add_seconds(NM_NDISC_ROUTER_ADVERT_MAX_INTERVAL,
-                                                 (GSourceFunc) announce_router,
-                                                 ndisc);
-    }
-
-    return G_SOURCE_REMOVE;
-}
-
-static void
-announce_router_initial(NMNDisc *ndisc)
-{
-    NMNDiscPrivate *priv = NM_NDISC_GET_PRIVATE(ndisc);
-
-    _LOGD("will send an initial router advertisement");
-
-    /* Retry three more times. */
-    priv->announcements_left = NM_NDISC_ROUTER_ADVERTISEMENTS_DEFAULT;
-
-    /* Unschedule an unsolicited resend if we are allowed to send now. */
-    if (G_LIKELY(nm_utils_get_monotonic_timestamp_sec() - priv->last_ra
-                 > NM_NDISC_ROUTER_ADVERT_DELAY))
-        nm_clear_g_source(&priv->send_ra_id);
-
-    /* Schedule the initial send rather early. Clamp the delay by minimal
-     * delay and not the initial advert internal so that we start fast. */
-    if (G_LIKELY(!priv->send_ra_id)) {
-        priv->send_ra_id =
-            g_timeout_add_seconds(g_random_int_range(0, NM_NDISC_ROUTER_ADVERT_DELAY),
-                                  (GSourceFunc) announce_router,
-                                  ndisc);
-    }
-}
-
-static void
-announce_router_solicited(NMNDisc *ndisc)
-{
-    NMNDiscPrivate *priv = NM_NDISC_GET_PRIVATE(ndisc);
-
-    _LOGD("will send an solicited router advertisement");
-
-    /* Unschedule an unsolicited resend if we are allowed to send now. */
-    if (nm_utils_get_monotonic_timestamp_sec() - priv->last_ra > NM_NDISC_ROUTER_ADVERT_DELAY)
-        nm_clear_g_source(&priv->send_ra_id);
-
-    if (!priv->send_ra_id) {
-        priv->send_ra_id = g_timeout_add(g_random_int_range(0, NM_NDISC_ROUTER_ADVERT_DELAY_MS),
-                                         (GSourceFunc) announce_router,
-                                         ndisc);
-    }
-}
-
-/*****************************************************************************/
-
-void
-nm_ndisc_set_config(NMNDisc *     ndisc,
-                    const GArray *addresses,
-                    const GArray *dns_servers,
-                    const GArray *dns_domains)
-{
-    gboolean changed = FALSE;
-    guint    i;
-
-    for (i = 0; i < addresses->len; i++) {
-        if (nm_ndisc_add_address(ndisc, &g_array_index(addresses, NMNDiscAddress, i), 0, FALSE))
-            changed = TRUE;
-    }
-
-    for (i = 0; i < dns_servers->len; i++) {
-        if (nm_ndisc_add_dns_server(ndisc, &g_array_index(dns_servers, NMNDiscDNSServer, i)))
-            changed = TRUE;
-    }
-
-    for (i = 0; i < dns_domains->len; i++) {
-        if (nm_ndisc_add_dns_domain(ndisc, &g_array_index(dns_domains, NMNDiscDNSDomain, i)))
-            changed = TRUE;
-    }
-
-    if (changed)
-        announce_router_initial(ndisc);
-}
-
-/**
- * nm_ndisc_set_iid:
- * @ndisc: the #NMNDisc
- * @iid: the new interface ID
- *
- * Sets the "Modified EUI-64" interface ID to be used when generating
- * IPv6 addresses using received prefixes. Identifiers are either generated
- * from the hardware addresses or manually set by the operator with
- * "ip token" command.
- *
- * Upon token change (or initial setting) all addresses generated using
- * the old identifier are removed. The caller should ensure the addresses
- * will be reset by soliciting router advertisements.
- *
- * In case the stable privacy addressing is used %FALSE is returned and
- * addresses are left untouched.
- *
- * Returns: %TRUE if addresses need to be regenerated, %FALSE otherwise.
- **/
-gboolean
-nm_ndisc_set_iid(NMNDisc *ndisc, const NMUtilsIPv6IfaceId iid)
-{
-    NMNDiscPrivate *     priv;
-    NMNDiscDataInternal *rdata;
-
-    g_return_val_if_fail(NM_IS_NDISC(ndisc), FALSE);
-
-    priv  = NM_NDISC_GET_PRIVATE(ndisc);
-    rdata = &priv->rdata;
-
-    if (priv->iid.id != iid.id) {
-        priv->iid = iid;
-
-        if (priv->addr_gen_mode == NM_SETTING_IP6_CONFIG_ADDR_GEN_MODE_STABLE_PRIVACY)
-            return FALSE;
-
-        if (rdata->addresses->len) {
-            _LOGD("IPv6 interface identifier changed, flushing addresses");
-            g_array_remove_range(rdata->addresses, 0, rdata->addresses->len);
-            nm_ndisc_emit_config_change(ndisc, NM_NDISC_CONFIG_ADDRESSES);
-            solicit_routers(ndisc);
-        }
-        return TRUE;
-    }
-
-    return FALSE;
-}
-
-static gboolean
-ndisc_ra_timeout_cb(gpointer user_data)
-{
-    NMNDisc *ndisc = NM_NDISC(user_data);
-
-    nm_clear_g_source_inst(&NM_NDISC_GET_PRIVATE(ndisc)->ra_timeout_source);
-    g_signal_emit(ndisc, signals[RA_TIMEOUT_SIGNAL], 0);
-    return G_SOURCE_REMOVE;
-}
-
-void
-nm_ndisc_start(NMNDisc *ndisc)
-{
-    nm_auto_pop_netns NMPNetns *netns = NULL;
-    NMNDiscPrivate *            priv;
-
-    g_return_if_fail(NM_IS_NDISC(ndisc));
-
-    priv = NM_NDISC_GET_PRIVATE(ndisc);
-
-    nm_assert(NM_NDISC_GET_CLASS(ndisc)->start);
-    nm_assert(!priv->ra_timeout_source);
-
-    _LOGD("starting neighbor discovery for ifindex %d%s",
-          priv->ifindex,
-          priv->node_type == NM_NDISC_NODE_TYPE_HOST ? " (solicit)" : " (announce)");
-
-    if (!nm_ndisc_netns_push(ndisc, &netns))
-        return;
-
-    NM_NDISC_GET_CLASS(ndisc)->start(ndisc);
-
-    if (priv->node_type == NM_NDISC_NODE_TYPE_HOST) {
-        G_STATIC_ASSERT_EXPR(NM_RA_TIMEOUT_DEFAULT == 0);
-        G_STATIC_ASSERT_EXPR(NM_RA_TIMEOUT_INFINITY == G_MAXINT32);
-        nm_assert(priv->ra_timeout > 0u);
-        nm_assert(priv->ra_timeout <= NM_RA_TIMEOUT_INFINITY);
-
-        if (priv->ra_timeout < NM_RA_TIMEOUT_INFINITY) {
-            guint timeout_msec;
-
-            _LOGD("scheduling RA timeout in %u seconds", priv->ra_timeout);
-            if (priv->ra_timeout < G_MAXUINT / 1000u)
-                timeout_msec = priv->ra_timeout * 1000u;
-            else
-                timeout_msec = G_MAXUINT;
-            priv->ra_timeout_source = nm_g_timeout_source_new(timeout_msec,
-                                                              G_PRIORITY_DEFAULT,
-                                                              ndisc_ra_timeout_cb,
-                                                              ndisc,
-                                                              NULL);
-            g_source_attach(priv->ra_timeout_source, NULL);
-        }
-
-        solicit_routers(ndisc);
-        return;
-    }
-
-    nm_assert(priv->ra_timeout == 0u);
-    nm_assert(priv->node_type == NM_NDISC_NODE_TYPE_ROUTER);
-    announce_router_initial(ndisc);
-}
-
-void
-nm_ndisc_stop(NMNDisc *ndisc)
-{
-    nm_auto_pop_netns NMPNetns *netns = NULL;
-    NMNDiscDataInternal *       rdata;
-    NMNDiscPrivate *            priv;
-
-    g_return_if_fail(NM_IS_NDISC(ndisc));
-
-    priv = NM_NDISC_GET_PRIVATE(ndisc);
-
-    nm_assert(NM_NDISC_GET_CLASS(ndisc)->stop);
-
-    _LOGD("stopping neighbor discovery for ifindex %d", priv->ifindex);
-
-    if (!nm_ndisc_netns_push(ndisc, &netns))
-        return;
-
-    NM_NDISC_GET_CLASS(ndisc)->stop(ndisc);
-
-    rdata = &priv->rdata;
-
-    g_array_set_size(rdata->gateways, 0);
-    g_array_set_size(rdata->addresses, 0);
-    g_array_set_size(rdata->routes, 0);
-    g_array_set_size(rdata->dns_servers, 0);
-    g_array_set_size(rdata->dns_domains, 0);
-    priv->rdata.public.hop_limit = 64;
-
-    /* Start at very low number so that last_rs - router_solicitation_interval
-     * is much lower than nm_utils_get_monotonic_timestamp_sec() at startup.
-     */
-    priv->last_rs = G_MININT32;
-    nm_clear_g_source_inst(&priv->ra_timeout_source);
-    nm_clear_g_source(&priv->send_rs_id);
-    nm_clear_g_source(&priv->send_ra_id);
-    nm_clear_g_free(&priv->last_error);
-    nm_clear_g_source(&priv->timeout_id);
-
-    priv->solicitations_left = 0;
-    priv->announcements_left = 0;
-
-    priv->last_rs = G_MININT32;
-    priv->last_ra = G_MININT32;
-}
-
-NMNDiscConfigMap
-nm_ndisc_dad_failed(NMNDisc *ndisc, const struct in6_addr *address, gboolean emit_changed_signal)
-{
-    NMNDiscDataInternal *rdata;
-    guint                i;
-    gboolean             changed = FALSE;
-
-    rdata = &NM_NDISC_GET_PRIVATE(ndisc)->rdata;
-
-    for (i = 0; i < rdata->addresses->len;) {
-        NMNDiscAddress *item = &g_array_index(rdata->addresses, NMNDiscAddress, i);
-
-        if (IN6_ARE_ADDR_EQUAL(&item->address, address)) {
-            char sbuf[NM_UTILS_INET_ADDRSTRLEN];
-
-            _LOGD("DAD failed for discovered address %s", _nm_utils_inet6_ntop(address, sbuf));
-            changed = TRUE;
-            if (!complete_address(ndisc, item)) {
-                g_array_remove_index(rdata->addresses, i);
-                continue;
-            }
-        }
-        i++;
-    }
-
-    if (emit_changed_signal && changed)
-        nm_ndisc_emit_config_change(ndisc, NM_NDISC_CONFIG_ADDRESSES);
-
-    return changed ? NM_NDISC_CONFIG_ADDRESSES : NM_NDISC_CONFIG_NONE;
-}
-
-#define CONFIG_MAP_MAX_STR 7
-
-static void
-config_map_to_string(NMNDiscConfigMap map, char *p)
-{
-    if (map & NM_NDISC_CONFIG_DHCP_LEVEL)
-        *p++ = 'd';
-    if (map & NM_NDISC_CONFIG_GATEWAYS)
-        *p++ = 'G';
-    if (map & NM_NDISC_CONFIG_ADDRESSES)
-        *p++ = 'A';
-    if (map & NM_NDISC_CONFIG_ROUTES)
-        *p++ = 'R';
-    if (map & NM_NDISC_CONFIG_DNS_SERVERS)
-        *p++ = 'S';
-    if (map & NM_NDISC_CONFIG_DNS_DOMAINS)
-        *p++ = 'D';
-    *p = '\0';
-}
-
-static const char *
-dhcp_level_to_string(NMNDiscDHCPLevel dhcp_level)
-{
-    switch (dhcp_level) {
-    case NM_NDISC_DHCP_LEVEL_NONE:
-        return "none";
-    case NM_NDISC_DHCP_LEVEL_OTHERCONF:
-        return "otherconf";
-    case NM_NDISC_DHCP_LEVEL_MANAGED:
-        return "managed";
-    default:
-        return "INVALID";
-    }
-}
-
-static void
-_config_changed_log(NMNDisc *ndisc, NMNDiscConfigMap changed)
-{
-    NMNDiscPrivate *     priv;
-    NMNDiscDataInternal *rdata;
-    guint                i;
-    char                 changedstr[CONFIG_MAP_MAX_STR];
-    char                 addrstr[INET6_ADDRSTRLEN];
-    char                 str_pref[35];
-    char                 str_exp[100];
-    gint64               now_ns;
-
-    if (!_LOGD_ENABLED())
-        return;
-
-    now_ns = nm_utils_get_monotonic_timestamp_nsec();
-
-    priv  = NM_NDISC_GET_PRIVATE(ndisc);
-    rdata = &priv->rdata;
-
-    config_map_to_string(changed, changedstr);
-    _LOGD("neighbor discovery configuration changed [%s]:", changedstr);
-    _LOGD("  dhcp-level %s", dhcp_level_to_string(priv->rdata.public.dhcp_level));
-
-    if (rdata->public.hop_limit)
-        _LOGD("  hop limit      : %d", rdata->public.hop_limit);
-    if (rdata->public.reachable_time_ms)
-        _LOGD("  reachable time : %u", (guint) rdata->public.reachable_time_ms);
-    if (rdata->public.retrans_timer_ms)
-        _LOGD("  retrans timer  : %u", (guint) rdata->public.retrans_timer_ms);
-
-    for (i = 0; i < rdata->gateways->len; i++) {
-        NMNDiscGateway *gateway = &g_array_index(rdata->gateways, NMNDiscGateway, i);
-
-        inet_ntop(AF_INET6, &gateway->address, addrstr, sizeof(addrstr));
-        _LOGD("  gateway %s pref %s exp %s",
-              addrstr,
-              nm_icmpv6_router_pref_to_string(gateway->preference, str_pref, sizeof(str_pref)),
-              get_exp(str_exp, now_ns, gateway));
-    }
-    for (i = 0; i < rdata->addresses->len; i++) {
-        const NMNDiscAddress *address = &g_array_index(rdata->addresses, NMNDiscAddress, i);
-
-        inet_ntop(AF_INET6, &address->address, addrstr, sizeof(addrstr));
-        _LOGD("  address %s exp %s", addrstr, get_exp(str_exp, now_ns, address));
-    }
-    for (i = 0; i < rdata->routes->len; i++) {
-        NMNDiscRoute *route = &g_array_index(rdata->routes, NMNDiscRoute, i);
-        char          sbuf[NM_UTILS_INET_ADDRSTRLEN];
-
-        inet_ntop(AF_INET6, &route->network, addrstr, sizeof(addrstr));
-        _LOGD("  route %s/%u via %s pref %s exp %s",
-              addrstr,
-              (guint) route->plen,
-              _nm_utils_inet6_ntop(&route->gateway, sbuf),
-              nm_icmpv6_router_pref_to_string(route->preference, str_pref, sizeof(str_pref)),
-              get_exp(str_exp, now_ns, route));
-    }
-    for (i = 0; i < rdata->dns_servers->len; i++) {
-        NMNDiscDNSServer *dns_server = &g_array_index(rdata->dns_servers, NMNDiscDNSServer, i);
-
-        inet_ntop(AF_INET6, &dns_server->address, addrstr, sizeof(addrstr));
-        _LOGD("  dns_server %s exp %s", addrstr, get_exp(str_exp, now_ns, dns_server));
-    }
-    for (i = 0; i < rdata->dns_domains->len; i++) {
-        NMNDiscDNSDomain *dns_domain = &g_array_index(rdata->dns_domains, NMNDiscDNSDomain, i);
-
-        _LOGD("  dns_domain %s exp %s", dns_domain->domain, get_exp(str_exp, now_ns, dns_domain));
-    }
-}
-
-static void
-clean_gateways(NMNDisc *ndisc, gint32 now, NMNDiscConfigMap *changed, gint32 *nextevent)
-{
-    NMNDiscDataInternal *rdata;
-    guint                i;
-
-    rdata = &NM_NDISC_GET_PRIVATE(ndisc)->rdata;
-
-    for (i = 0; i < rdata->gateways->len;) {
-        NMNDiscGateway *item = &g_array_index(rdata->gateways, NMNDiscGateway, i);
-
-        if (!expiry_next(now, get_expiry(item), nextevent)) {
-            g_array_remove_index(rdata->gateways, i);
-            *changed |= NM_NDISC_CONFIG_GATEWAYS;
-            continue;
-        }
-
-        i++;
-    }
-
-    _ASSERT_data_gateways(rdata);
-}
-
-static void
-clean_addresses(NMNDisc *ndisc, gint32 now, NMNDiscConfigMap *changed, gint32 *nextevent)
-{
-    NMNDiscDataInternal *rdata;
-    guint                i;
-
-    rdata = &NM_NDISC_GET_PRIVATE(ndisc)->rdata;
-
-    for (i = 0; i < rdata->addresses->len;) {
-        const NMNDiscAddress *item = &g_array_index(rdata->addresses, NMNDiscAddress, i);
-
-        if (!expiry_next(now, get_expiry(item), nextevent)) {
-            g_array_remove_index(rdata->addresses, i);
-            *changed |= NM_NDISC_CONFIG_ADDRESSES;
-            continue;
-        }
-
-        i++;
-    }
-}
-
-static void
-clean_routes(NMNDisc *ndisc, gint32 now, NMNDiscConfigMap *changed, gint32 *nextevent)
-{
-    NMNDiscDataInternal *rdata;
-    guint                i;
-
-    rdata = &NM_NDISC_GET_PRIVATE(ndisc)->rdata;
-
-    for (i = 0; i < rdata->routes->len;) {
-        NMNDiscRoute *item = &g_array_index(rdata->routes, NMNDiscRoute, i);
-
-        if (!expiry_next(now, get_expiry(item), nextevent)) {
-            g_array_remove_index(rdata->routes, i);
-            *changed |= NM_NDISC_CONFIG_ROUTES;
-            continue;
-        }
-
-        i++;
-    }
-}
-
-static void
-clean_dns_servers(NMNDisc *ndisc, gint32 now, NMNDiscConfigMap *changed, gint32 *nextevent)
-{
-    NMNDiscDataInternal *rdata;
-    guint                i;
-
-    rdata = &NM_NDISC_GET_PRIVATE(ndisc)->rdata;
-
-    for (i = 0; i < rdata->dns_servers->len;) {
-        NMNDiscDNSServer *item = &g_array_index(rdata->dns_servers, NMNDiscDNSServer, i);
-        gint64            refresh;
-
-        refresh = get_expiry_half(item);
-        if (refresh != _EXPIRY_INFINITY) {
-            if (!expiry_next(now, get_expiry(item), NULL)) {
-                g_array_remove_index(rdata->dns_servers, i);
-                *changed |= NM_NDISC_CONFIG_DNS_SERVERS;
-                continue;
-            }
-
-            if (now >= refresh)
-                solicit_routers(ndisc);
-            else if (*nextevent > refresh)
-                *nextevent = refresh;
-        }
-        i++;
-    }
-}
-
-static void
-clean_dns_domains(NMNDisc *ndisc, gint32 now, NMNDiscConfigMap *changed, gint32 *nextevent)
-{
-    NMNDiscDataInternal *rdata;
-    guint                i;
-
-    rdata = &NM_NDISC_GET_PRIVATE(ndisc)->rdata;
-
-    for (i = 0; i < rdata->dns_domains->len;) {
-        NMNDiscDNSDomain *item = &g_array_index(rdata->dns_domains, NMNDiscDNSDomain, i);
-        gint64            refresh;
-
-        refresh = get_expiry_half(item);
-        if (refresh != _EXPIRY_INFINITY) {
-            if (!expiry_next(now, get_expiry(item), NULL)) {
-                g_array_remove_index(rdata->dns_domains, i);
-                *changed |= NM_NDISC_CONFIG_DNS_DOMAINS;
-                continue;
-            }
-
-            if (now >= refresh)
-                solicit_routers(ndisc);
-            else if (*nextevent > refresh)
-                *nextevent = refresh;
-        }
-        i++;
-    }
-}
-
-static gboolean timeout_cb(gpointer user_data);
-
-static void
-check_timestamps(NMNDisc *ndisc, gint32 now, NMNDiscConfigMap changed)
-{
-    NMNDiscPrivate *priv = NM_NDISC_GET_PRIVATE(ndisc);
-    /* Use a magic date in the distant future (~68 years) */
-    gint32 nextevent = G_MAXINT32;
-
-    nm_clear_g_source(&priv->timeout_id);
-
-    clean_gateways(ndisc, now, &changed, &nextevent);
-    clean_addresses(ndisc, now, &changed, &nextevent);
-    clean_routes(ndisc, now, &changed, &nextevent);
-    clean_dns_servers(ndisc, now, &changed, &nextevent);
-    clean_dns_domains(ndisc, now, &changed, &nextevent);
-
-    if (nextevent != G_MAXINT32) {
-        if (nextevent <= now)
-            g_return_if_reached();
-        _LOGD("scheduling next now/lifetime check: %d seconds", (int) (nextevent - now));
-        priv->timeout_id = g_timeout_add_seconds(nextevent - now, timeout_cb, ndisc);
-    }
-
-    if (changed)
-        nm_ndisc_emit_config_change(ndisc, changed);
-}
-
-static gboolean
-timeout_cb(gpointer user_data)
-{
-    NMNDisc *self = user_data;
-
-    NM_NDISC_GET_PRIVATE(self)->timeout_id = 0;
-    check_timestamps(self, nm_utils_get_monotonic_timestamp_sec(), 0);
-    return G_SOURCE_REMOVE;
-}
-
-void
-nm_ndisc_ra_received(NMNDisc *ndisc, gint32 now, NMNDiscConfigMap changed)
-{
-    NMNDiscPrivate *priv = NM_NDISC_GET_PRIVATE(ndisc);
-
-    nm_clear_g_source_inst(&priv->ra_timeout_source);
-    nm_clear_g_source(&priv->send_rs_id);
-    nm_clear_g_free(&priv->last_error);
-    check_timestamps(ndisc, now, changed);
-}
-
-void
-nm_ndisc_rs_received(NMNDisc *ndisc)
-{
-    NMNDiscPrivate *priv = NM_NDISC_GET_PRIVATE(ndisc);
-
-    nm_clear_g_free(&priv->last_error);
-    announce_router_solicited(ndisc);
-}
-
-/*****************************************************************************/
-
-static void
-dns_domain_free(gpointer data)
-{
-    g_free(((NMNDiscDNSDomain *) (data))->domain);
-}
-
-static void
-set_property(GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec)
-{
-    NMNDisc *       self = NM_NDISC(object);
-    NMNDiscPrivate *priv = NM_NDISC_GET_PRIVATE(self);
-
-    switch (prop_id) {
-    case PROP_PLATFORM:
-        /* construct-only */
-        priv->platform = g_value_get_object(value) ?: NM_PLATFORM_GET;
-        if (!priv->platform)
-            g_return_if_reached();
-
-        g_object_ref(priv->platform);
-
-        priv->netns = nm_platform_netns_get(priv->platform);
-        if (priv->netns)
-            g_object_ref(priv->netns);
-
-        g_return_if_fail(!priv->netns || priv->netns == nmp_netns_get_current());
-        break;
-    case PROP_IFINDEX:
-        /* construct-only */
-        priv->ifindex = g_value_get_int(value);
-        g_return_if_fail(priv->ifindex > 0);
-        break;
-    case PROP_IFNAME:
-        /* construct-only */
-        priv->ifname = g_value_dup_string(value);
-        g_return_if_fail(priv->ifname && priv->ifname[0]);
-        break;
-    case PROP_STABLE_TYPE:
-        /* construct-only */
-        priv->stable_type = g_value_get_int(value);
-        break;
-    case PROP_NETWORK_ID:
-        /* construct-only */
-        priv->network_id = g_value_dup_string(value);
-        g_return_if_fail(priv->network_id);
-        break;
-    case PROP_ADDR_GEN_MODE:
-        /* construct-only */
-        priv->addr_gen_mode = g_value_get_int(value);
-        break;
-    case PROP_MAX_ADDRESSES:
-        /* construct-only */
-        priv->max_addresses = g_value_get_int(value);
-        break;
-    case PROP_RA_TIMEOUT:
-        /* construct-only */
-        priv->ra_timeout = g_value_get_uint(value);
-        nm_assert(priv->ra_timeout <= NM_RA_TIMEOUT_INFINITY);
-        break;
-    case PROP_ROUTER_SOLICITATIONS:
-        /* construct-only */
-        priv->router_solicitations = g_value_get_int(value);
-        break;
-    case PROP_ROUTER_SOLICITATION_INTERVAL:
-        /* construct-only */
-        priv->router_solicitation_interval = g_value_get_int(value);
-        break;
-    case PROP_NODE_TYPE:
-        /* construct-only */
-        priv->node_type = g_value_get_int(value);
-        nm_assert(NM_IN_SET(priv->node_type, NM_NDISC_NODE_TYPE_HOST, NM_NDISC_NODE_TYPE_ROUTER));
-        break;
-    default:
-        G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
-        break;
-    }
-}
-
-static void
-nm_ndisc_init(NMNDisc *ndisc)
-{
-    NMNDiscPrivate *     priv;
-    NMNDiscDataInternal *rdata;
-
-    priv         = G_TYPE_INSTANCE_GET_PRIVATE(ndisc, NM_TYPE_NDISC, NMNDiscPrivate);
-    ndisc->_priv = priv;
-
-    rdata = &priv->rdata;
-
-    rdata->gateways    = g_array_new(FALSE, FALSE, sizeof(NMNDiscGateway));
-    rdata->addresses   = g_array_new(FALSE, FALSE, sizeof(NMNDiscAddress));
-    rdata->routes      = g_array_new(FALSE, FALSE, sizeof(NMNDiscRoute));
-    rdata->dns_servers = g_array_new(FALSE, FALSE, sizeof(NMNDiscDNSServer));
-    rdata->dns_domains = g_array_new(FALSE, FALSE, sizeof(NMNDiscDNSDomain));
-    g_array_set_clear_func(rdata->dns_domains, dns_domain_free);
-    priv->rdata.public.hop_limit = 64;
-
-    /* Start at very low number so that last_rs - router_solicitation_interval
-     * is much lower than nm_utils_get_monotonic_timestamp_sec() at startup.
-     */
-    priv->last_rs = G_MININT32;
-}
-
-static void
-dispose(GObject *object)
-{
-    NMNDisc *       ndisc = NM_NDISC(object);
-    NMNDiscPrivate *priv  = NM_NDISC_GET_PRIVATE(ndisc);
-
-    nm_clear_g_source_inst(&priv->ra_timeout_source);
-    nm_clear_g_source(&priv->send_rs_id);
-    nm_clear_g_source(&priv->send_ra_id);
-    nm_clear_g_free(&priv->last_error);
-
-    nm_clear_g_source(&priv->timeout_id);
-
-    G_OBJECT_CLASS(nm_ndisc_parent_class)->dispose(object);
-}
-
-static void
-finalize(GObject *object)
-{
-    NMNDisc *            ndisc = NM_NDISC(object);
-    NMNDiscPrivate *     priv  = NM_NDISC_GET_PRIVATE(ndisc);
-    NMNDiscDataInternal *rdata = &priv->rdata;
-
-    g_free(priv->ifname);
-    g_free(priv->network_id);
-
-    g_array_unref(rdata->gateways);
-    g_array_unref(rdata->addresses);
-    g_array_unref(rdata->routes);
-    g_array_unref(rdata->dns_servers);
-    g_array_unref(rdata->dns_domains);
-
-    g_clear_object(&priv->netns);
-    g_clear_object(&priv->platform);
-
-    G_OBJECT_CLASS(nm_ndisc_parent_class)->finalize(object);
-}
-
-static void
-nm_ndisc_class_init(NMNDiscClass *klass)
-{
-    GObjectClass *object_class = G_OBJECT_CLASS(klass);
-
-    g_type_class_add_private(klass, sizeof(NMNDiscPrivate));
-
-    object_class->set_property = set_property;
-    object_class->dispose      = dispose;
-    object_class->finalize     = finalize;
-
-    obj_properties[PROP_PLATFORM] =
-        g_param_spec_object(NM_NDISC_PLATFORM,
-                            "",
-                            "",
-                            NM_TYPE_PLATFORM,
-                            G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS);
-    obj_properties[PROP_IFINDEX] =
-        g_param_spec_int(NM_NDISC_IFINDEX,
-                         "",
-                         "",
-                         0,
-                         G_MAXINT,
-                         0,
-                         G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS);
-    obj_properties[PROP_IFNAME] =
-        g_param_spec_string(NM_NDISC_IFNAME,
-                            "",
-                            "",
-                            NULL,
-                            G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS);
-    obj_properties[PROP_STABLE_TYPE] =
-        g_param_spec_int(NM_NDISC_STABLE_TYPE,
-                         "",
-                         "",
-                         NM_UTILS_STABLE_TYPE_UUID,
-                         NM_UTILS_STABLE_TYPE_RANDOM,
-                         NM_UTILS_STABLE_TYPE_UUID,
-                         G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS);
-    obj_properties[PROP_NETWORK_ID] =
-        g_param_spec_string(NM_NDISC_NETWORK_ID,
-                            "",
-                            "",
-                            NULL,
-                            G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS);
-    obj_properties[PROP_ADDR_GEN_MODE] =
-        g_param_spec_int(NM_NDISC_ADDR_GEN_MODE,
-                         "",
-                         "",
-                         NM_SETTING_IP6_CONFIG_ADDR_GEN_MODE_EUI64,
-                         NM_SETTING_IP6_CONFIG_ADDR_GEN_MODE_STABLE_PRIVACY,
-                         NM_SETTING_IP6_CONFIG_ADDR_GEN_MODE_EUI64,
-                         G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS);
-    obj_properties[PROP_MAX_ADDRESSES] =
-        g_param_spec_int(NM_NDISC_MAX_ADDRESSES,
-                         "",
-                         "",
-                         0,
-                         G_MAXINT32,
-                         NM_NDISC_MAX_ADDRESSES_DEFAULT,
-                         G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS);
-    G_STATIC_ASSERT_EXPR(G_MAXINT32 == NM_RA_TIMEOUT_INFINITY);
-    obj_properties[PROP_RA_TIMEOUT] =
-        g_param_spec_uint(NM_NDISC_RA_TIMEOUT,
-                          "",
-                          "",
-                          0,
-                          G_MAXINT32,
-                          0,
-                          G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS);
-    obj_properties[PROP_ROUTER_SOLICITATIONS] =
-        g_param_spec_int(NM_NDISC_ROUTER_SOLICITATIONS,
-                         "",
-                         "",
-                         1,
-                         G_MAXINT32,
-                         NM_NDISC_ROUTER_SOLICITATIONS_DEFAULT,
-                         G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS);
-    obj_properties[PROP_ROUTER_SOLICITATION_INTERVAL] =
-        g_param_spec_int(NM_NDISC_ROUTER_SOLICITATION_INTERVAL,
-                         "",
-                         "",
-                         1,
-                         G_MAXINT32,
-                         NM_NDISC_ROUTER_SOLICITATION_INTERVAL_DEFAULT,
-                         G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS);
-    obj_properties[PROP_NODE_TYPE] =
-        g_param_spec_int(NM_NDISC_NODE_TYPE,
-                         "",
-                         "",
-                         NM_NDISC_NODE_TYPE_INVALID,
-                         NM_NDISC_NODE_TYPE_ROUTER,
-                         NM_NDISC_NODE_TYPE_INVALID,
-                         G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS);
-    g_object_class_install_properties(object_class, _PROPERTY_ENUMS_LAST, obj_properties);
-
-    signals[CONFIG_RECEIVED]   = g_signal_new(NM_NDISC_CONFIG_RECEIVED,
-                                            G_OBJECT_CLASS_TYPE(klass),
-                                            G_SIGNAL_RUN_FIRST,
-                                            0,
-                                            NULL,
-                                            NULL,
-                                            NULL,
-                                            G_TYPE_NONE,
-                                            2,
-                                            G_TYPE_POINTER,
-                                            G_TYPE_UINT);
-    signals[RA_TIMEOUT_SIGNAL] = g_signal_new(NM_NDISC_RA_TIMEOUT_SIGNAL,
-                                              G_OBJECT_CLASS_TYPE(klass),
-                                              G_SIGNAL_RUN_FIRST,
-                                              0,
-                                              NULL,
-                                              NULL,
-                                              NULL,
-                                              G_TYPE_NONE,
-                                              0);
-}
diff --git a/src/ndisc/nm-ndisc.h b/src/ndisc/nm-ndisc.h
deleted file mode 100644
index 0578c45b..00000000
--- a/src/ndisc/nm-ndisc.h
+++ /dev/null
@@ -1,233 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0+ */
-/*
- * Copyright (C) 2013 Red Hat, Inc.
- */
-
-#ifndef __NETWORKMANAGER_NDISC_H__
-#define __NETWORKMANAGER_NDISC_H__
-
-#include <stdlib.h>
-#include <netinet/in.h>
-#include <linux/if_addr.h>
-
-#include "nm-setting-ip6-config.h"
-#include "NetworkManagerUtils.h"
-
-#include "platform/nm-platform.h"
-#include "platform/nmp-object.h"
-
-#define NM_RA_TIMEOUT_DEFAULT  ((guint32) 0)
-#define NM_RA_TIMEOUT_INFINITY ((guint32) G_MAXINT32)
-
-#define NM_TYPE_NDISC            (nm_ndisc_get_type())
-#define NM_NDISC(obj)            (G_TYPE_CHECK_INSTANCE_CAST((obj), NM_TYPE_NDISC, NMNDisc))
-#define NM_NDISC_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST((klass), NM_TYPE_NDISC, NMNDiscClass))
-#define NM_IS_NDISC(obj)         (G_TYPE_CHECK_INSTANCE_TYPE((obj), NM_TYPE_NDISC))
-#define NM_IS_NDISC_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass), NM_TYPE_NDISC))
-#define NM_NDISC_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS((obj), NM_TYPE_NDISC, NMNDiscClass))
-
-#define NM_NDISC_PLATFORM                     "platform"
-#define NM_NDISC_IFINDEX                      "ifindex"
-#define NM_NDISC_IFNAME                       "ifname"
-#define NM_NDISC_NETWORK_ID                   "network-id"
-#define NM_NDISC_ADDR_GEN_MODE                "addr-gen-mode"
-#define NM_NDISC_STABLE_TYPE                  "stable-type"
-#define NM_NDISC_NODE_TYPE                    "node-type"
-#define NM_NDISC_MAX_ADDRESSES                "max-addresses"
-#define NM_NDISC_RA_TIMEOUT                   "ra-timeout"
-#define NM_NDISC_ROUTER_SOLICITATIONS         "router-solicitations"
-#define NM_NDISC_ROUTER_SOLICITATION_INTERVAL "router-solicitation-interval"
-
-#define NM_NDISC_CONFIG_RECEIVED   "config-received"
-#define NM_NDISC_RA_TIMEOUT_SIGNAL "ra-timeout-signal"
-
-typedef enum {
-    NM_NDISC_DHCP_LEVEL_UNKNOWN,
-    NM_NDISC_DHCP_LEVEL_NONE,
-    NM_NDISC_DHCP_LEVEL_OTHERCONF,
-    NM_NDISC_DHCP_LEVEL_MANAGED
-} NMNDiscDHCPLevel;
-
-/* we rely on the fact that NM_NDISC_INFINITY is the largest possible
- * time duration (G_MAXUINT32) and that the range of finite values
- * goes from 0 to G_MAXUINT32-1. */
-#define NM_NDISC_INFINITY G_MAXUINT32
-
-struct _NMNDiscGateway {
-    struct in6_addr    address;
-    guint32            timestamp;
-    guint32            lifetime;
-    NMIcmpv6RouterPref preference;
-};
-typedef struct _NMNDiscGateway NMNDiscGateway;
-
-struct _NMNDiscAddress {
-    struct in6_addr address;
-    guint8          dad_counter;
-    guint32         timestamp;
-    guint32         lifetime;
-    guint32         preferred;
-};
-typedef struct _NMNDiscAddress NMNDiscAddress;
-
-struct _NMNDiscRoute {
-    struct in6_addr    network;
-    guint8             plen;
-    struct in6_addr    gateway;
-    guint32            timestamp;
-    guint32            lifetime;
-    NMIcmpv6RouterPref preference;
-};
-typedef struct _NMNDiscRoute NMNDiscRoute;
-
-typedef struct {
-    struct in6_addr address;
-    guint32         timestamp;
-    guint32         lifetime;
-} NMNDiscDNSServer;
-
-typedef struct {
-    char *  domain;
-    guint32 timestamp;
-    guint32 lifetime;
-} NMNDiscDNSDomain;
-
-typedef enum {
-    NM_NDISC_CONFIG_NONE           = 0,
-    NM_NDISC_CONFIG_DHCP_LEVEL     = 1 << 0,
-    NM_NDISC_CONFIG_GATEWAYS       = 1 << 1,
-    NM_NDISC_CONFIG_ADDRESSES      = 1 << 2,
-    NM_NDISC_CONFIG_ROUTES         = 1 << 3,
-    NM_NDISC_CONFIG_DNS_SERVERS    = 1 << 4,
-    NM_NDISC_CONFIG_DNS_DOMAINS    = 1 << 5,
-    NM_NDISC_CONFIG_HOP_LIMIT      = 1 << 6,
-    NM_NDISC_CONFIG_MTU            = 1 << 7,
-    NM_NDISC_CONFIG_REACHABLE_TIME = 1 << 8,
-    NM_NDISC_CONFIG_RETRANS_TIMER  = 1 << 9,
-} NMNDiscConfigMap;
-
-typedef enum {
-    NM_NDISC_NODE_TYPE_INVALID,
-    NM_NDISC_NODE_TYPE_HOST,
-    NM_NDISC_NODE_TYPE_ROUTER,
-} NMNDiscNodeType;
-
-#define NM_NDISC_MAX_ADDRESSES_DEFAULT                16
-#define NM_NDISC_ROUTER_SOLICITATIONS_DEFAULT         3 /* RFC4861 MAX_RTR_SOLICITATIONS */
-#define NM_NDISC_ROUTER_SOLICITATION_INTERVAL_DEFAULT 4 /* RFC4861 RTR_SOLICITATION_INTERVAL */
-#define NM_NDISC_ROUTER_ADVERTISEMENTS_DEFAULT        3 /* RFC4861 MAX_INITIAL_RTR_ADVERTISEMENTS */
-#define NM_NDISC_ROUTER_ADVERT_DELAY                  3 /* RFC4861 MIN_DELAY_BETWEEN_RAS */
-#define NM_NDISC_ROUTER_ADVERT_INITIAL_INTERVAL       16 /* RFC4861 MAX_INITIAL_RTR_ADVERT_INTERVAL */
-#define NM_NDISC_ROUTER_ADVERT_DELAY_MS               500 /* RFC4861 MAX_RA_DELAY_TIME */
-#define NM_NDISC_ROUTER_ADVERT_MAX_INTERVAL           600 /* RFC4861 MaxRtrAdvInterval default */
-#define NM_NDISC_ROUTER_LIFETIME                      900 /* 1.5 * NM_NDISC_ROUTER_ADVERT_MAX_INTERVAL */
-
-struct _NMNDiscPrivate;
-struct _NMNDiscDataInternal;
-
-typedef struct {
-    NMNDiscDHCPLevel dhcp_level;
-    guint32          mtu;
-    int              hop_limit;
-    guint32          reachable_time_ms;
-    guint32          retrans_timer_ms;
-
-    guint gateways_n;
-    guint addresses_n;
-    guint routes_n;
-    guint dns_servers_n;
-    guint dns_domains_n;
-
-    const NMNDiscGateway *  gateways;
-    const NMNDiscAddress *  addresses;
-    const NMNDiscRoute *    routes;
-    const NMNDiscDNSServer *dns_servers;
-    const NMNDiscDNSDomain *dns_domains;
-} NMNDiscData;
-
-/**
- * NMNDisc:
- *
- * Interface-specific structure that handles incoming router advertisements,
- * caches advertised items and removes them when they are obsolete.
- */
-typedef struct {
-    GObject parent;
-    union {
-        struct _NMNDiscPrivate *     _priv;
-        struct _NMNDiscDataInternal *rdata;
-    };
-} NMNDisc;
-
-typedef struct {
-    GObjectClass parent;
-
-    void (*start)(NMNDisc *ndisc);
-    void (*stop)(NMNDisc *ndisc);
-    gboolean (*send_rs)(NMNDisc *ndisc, GError **error);
-    gboolean (*send_ra)(NMNDisc *ndisc, GError **error);
-} NMNDiscClass;
-
-GType nm_ndisc_get_type(void);
-
-void nm_ndisc_emit_config_change(NMNDisc *self, NMNDiscConfigMap changed);
-
-int             nm_ndisc_get_ifindex(NMNDisc *self);
-const char *    nm_ndisc_get_ifname(NMNDisc *self);
-NMNDiscNodeType nm_ndisc_get_node_type(NMNDisc *self);
-
-gboolean nm_ndisc_set_iid(NMNDisc *ndisc, const NMUtilsIPv6IfaceId iid);
-void     nm_ndisc_start(NMNDisc *ndisc);
-void     nm_ndisc_stop(NMNDisc *ndisc);
-NMNDiscConfigMap
-nm_ndisc_dad_failed(NMNDisc *ndisc, const struct in6_addr *address, gboolean emit_changed_signal);
-void nm_ndisc_set_config(NMNDisc *     ndisc,
-                         const GArray *addresses,
-                         const GArray *dns_servers,
-                         const GArray *dns_domains);
-
-NMPlatform *nm_ndisc_get_platform(NMNDisc *self);
-NMPNetns *  nm_ndisc_netns_get(NMNDisc *self);
-gboolean    nm_ndisc_netns_push(NMNDisc *self, NMPNetns **netns);
-
-static inline gboolean
-nm_ndisc_dad_addr_is_fail_candidate_event(NMPlatformSignalChangeType  change_type,
-                                          const NMPlatformIP6Address *addr)
-{
-    return !NM_FLAGS_HAS(addr->n_ifa_flags, IFA_F_TEMPORARY)
-           && ((change_type == NM_PLATFORM_SIGNAL_CHANGED && addr->n_ifa_flags & IFA_F_DADFAILED)
-               || (change_type == NM_PLATFORM_SIGNAL_REMOVED
-                   && addr->n_ifa_flags & IFA_F_TENTATIVE));
-}
-
-static inline gboolean
-nm_ndisc_dad_addr_is_fail_candidate(NMPlatform *platform, const NMPObject *obj)
-{
-    const NMPlatformIP6Address *addr;
-
-    addr = NMP_OBJECT_CAST_IP6_ADDRESS(
-        nm_platform_lookup_obj(platform, NMP_CACHE_ID_TYPE_OBJECT_TYPE, obj));
-    if (addr
-        && (NM_FLAGS_HAS(addr->n_ifa_flags, IFA_F_TEMPORARY)
-            || !NM_FLAGS_HAS(addr->n_ifa_flags, IFA_F_DADFAILED))) {
-        /* the address still/again exists and is not in DADFAILED state. Skip it. */
-        return FALSE;
-    }
-
-    return TRUE;
-}
-
-/*****************************************************************************/
-
-struct _NML3ConfigData;
-
-struct _NML3ConfigData *nm_ndisc_data_to_l3cd(NMDedupMultiIndex *       multi_idx,
-                                              int                       ifindex,
-                                              const NMNDiscData *       rdata,
-                                              NMSettingIP6ConfigPrivacy ip6_privacy,
-                                              guint32                   route_table,
-                                              guint32                   route_metric,
-                                              gboolean                  kernel_support_rta_pref,
-                                              gboolean kernel_support_extended_ifa_flags);
-
-#endif /* __NETWORKMANAGER_NDISC_H__ */
diff --git a/src/ndisc/tests/meson.build b/src/ndisc/tests/meson.build
deleted file mode 100644
index 349eebba..00000000
--- a/src/ndisc/tests/meson.build
+++ /dev/null
@@ -1,26 +0,0 @@
-# SPDX-License-Identifier: LGPL-2.1+
-
-test_unit = 'test-ndisc-fake'
-
-exe = executable(
-  test_unit,
-  test_unit + '.c',
-  dependencies: libnetwork_manager_test_dep,
-  c_args: test_c_flags,
-)
-
-test(
-  'ndisc/' + test_unit,
-  test_script,
-  args: test_args + [exe.full_path()],
-  timeout: default_test_timeout,
-)
-
-test = 'test-ndisc-linux'
-
-exe = executable(
-  test,
-  test + '.c',
-  dependencies: libnetwork_manager_test_dep,
-  c_args: test_c_flags,
-)
diff --git a/src/ndisc/tests/test-ndisc-fake.c b/src/ndisc/tests/test-ndisc-fake.c
deleted file mode 100644
index dfb0b37b..00000000
--- a/src/ndisc/tests/test-ndisc-fake.c
+++ /dev/null
@@ -1,538 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0+ */
-/*
- * Copyright (C) 2015 Red Hat, Inc.
- */
-
-#include "nm-default.h"
-
-#include <syslog.h>
-
-#include "ndisc/nm-ndisc.h"
-#include "ndisc/nm-fake-ndisc.h"
-
-#include "platform/nm-fake-platform.h"
-
-#include "nm-test-utils-core.h"
-
-static NMFakeNDisc *
-ndisc_new(void)
-{
-    NMNDisc *          ndisc;
-    const int          ifindex = 1;
-    const char *       ifname  = nm_platform_link_get_name(NM_PLATFORM_GET, ifindex);
-    NMUtilsIPv6IfaceId iid     = {};
-
-    ndisc        = nm_fake_ndisc_new(ifindex, ifname);
-    iid.id_u8[7] = 1;
-    nm_ndisc_set_iid(ndisc, iid);
-    g_assert(ndisc);
-    return NM_FAKE_NDISC(ndisc);
-}
-
-static void
-match_gateway(const NMNDiscData *rdata,
-              guint              idx,
-              const char *       addr,
-              guint32            ts,
-              guint32            lt,
-              NMIcmpv6RouterPref pref)
-{
-    const NMNDiscGateway *gw;
-    char                  buf[INET6_ADDRSTRLEN];
-
-    g_assert(rdata);
-    g_assert_cmpint(idx, <, rdata->gateways_n);
-    g_assert(rdata->gateways);
-
-    gw = &rdata->gateways[idx];
-
-    g_assert_cmpstr(inet_ntop(AF_INET6, &gw->address, buf, sizeof(buf)), ==, addr);
-    g_assert_cmpint(gw->timestamp, ==, ts);
-    g_assert_cmpint(gw->lifetime, ==, lt);
-    g_assert_cmpint(gw->preference, ==, pref);
-}
-
-#define match_address(rdata, idx, addr, ts, lt, pref)                     \
-    G_STMT_START                                                          \
-    {                                                                     \
-        const NMNDiscData *   _rdata = (rdata);                           \
-        guint                 _idx   = (idx);                             \
-        const NMNDiscAddress *_a;                                         \
-        guint                 _ts = (ts);                                 \
-                                                                          \
-        g_assert(_rdata);                                                 \
-        g_assert_cmpint(_idx, <, _rdata->addresses_n);                    \
-        g_assert(_rdata->addresses);                                      \
-                                                                          \
-        _a = &_rdata->addresses[_idx];                                    \
-                                                                          \
-        nmtst_assert_ip6_address(&_a->address, (addr));                   \
-        g_assert_cmpint(_a->timestamp, <=, _ts + 1);                      \
-        g_assert_cmpint((int) _a->timestamp, >=, (int) _ts - 1);          \
-        g_assert_cmpint(_a->timestamp + _a->lifetime, ==, _ts + (lt));    \
-        g_assert_cmpint(_a->timestamp + _a->preferred, ==, _ts + (pref)); \
-    }                                                                     \
-    G_STMT_END
-
-#define match_route(rdata, idx, nw, pl, gw, ts, lt, pref) \
-    G_STMT_START                                          \
-    {                                                     \
-        const NMNDiscData * _rdata = (rdata);             \
-        guint               _idx   = (idx);               \
-        const NMNDiscRoute *_r;                           \
-        int                 _plen = (pl);                 \
-                                                          \
-        g_assert(_rdata);                                 \
-        g_assert_cmpint(_idx, <, _rdata->routes_n);       \
-        g_assert(_rdata->routes);                         \
-        g_assert(_plen > 0 && _plen <= 128);              \
-                                                          \
-        _r = &_rdata->routes[idx];                        \
-                                                          \
-        nmtst_assert_ip6_address(&_r->network, (nw));     \
-        g_assert_cmpint((int) _r->plen, ==, _plen);       \
-        nmtst_assert_ip6_address(&_r->gateway, (gw));     \
-        g_assert_cmpint(_r->timestamp, ==, (ts));         \
-        g_assert_cmpint(_r->lifetime, ==, (lt));          \
-        g_assert_cmpint(_r->preference, ==, (pref));      \
-    }                                                     \
-    G_STMT_END
-
-static void
-match_dns_server(const NMNDiscData *rdata, guint idx, const char *addr, guint32 ts, guint32 lt)
-{
-    const NMNDiscDNSServer *dns;
-    char                    buf[INET6_ADDRSTRLEN];
-
-    g_assert(rdata);
-    g_assert_cmpint(idx, <, rdata->dns_servers_n);
-    g_assert(rdata->dns_servers);
-
-    dns = &rdata->dns_servers[idx];
-
-    g_assert_cmpstr(inet_ntop(AF_INET6, &dns->address, buf, sizeof(buf)), ==, addr);
-    g_assert_cmpint(dns->timestamp, ==, ts);
-    g_assert_cmpint(dns->lifetime, ==, lt);
-}
-
-static void
-match_dns_domain(const NMNDiscData *rdata, guint idx, const char *domain, guint32 ts, guint32 lt)
-{
-    const NMNDiscDNSDomain *dns;
-
-    g_assert(rdata);
-    g_assert_cmpint(idx, <, rdata->dns_domains_n);
-    g_assert(rdata->dns_domains);
-
-    dns = &rdata->dns_domains[idx];
-
-    g_assert_cmpstr(dns->domain, ==, domain);
-    g_assert_cmpint(dns->timestamp, ==, ts);
-    g_assert_cmpint(dns->lifetime, ==, lt);
-}
-
-typedef struct {
-    GMainLoop *loop;
-    guint      counter;
-    guint      rs_counter;
-    guint32    timestamp1;
-    guint32    first_solicit;
-    guint32    timeout_id;
-} TestData;
-
-static void
-test_simple_changed(NMNDisc *ndisc, const NMNDiscData *rdata, guint changed_int, TestData *data)
-{
-    NMNDiscConfigMap changed = changed_int;
-
-    g_assert_cmpint(changed,
-                    ==,
-                    NM_NDISC_CONFIG_DHCP_LEVEL | NM_NDISC_CONFIG_GATEWAYS
-                        | NM_NDISC_CONFIG_ADDRESSES | NM_NDISC_CONFIG_ROUTES
-                        | NM_NDISC_CONFIG_DNS_SERVERS | NM_NDISC_CONFIG_DNS_DOMAINS
-                        | NM_NDISC_CONFIG_HOP_LIMIT | NM_NDISC_CONFIG_MTU);
-    g_assert_cmpint(rdata->dhcp_level, ==, NM_NDISC_DHCP_LEVEL_OTHERCONF);
-    match_gateway(rdata, 0, "fe80::1", data->timestamp1, 10, NM_ICMPV6_ROUTER_PREF_MEDIUM);
-    match_address(rdata, 0, "2001:db8:a:a::1", data->timestamp1, 10, 10);
-    match_route(rdata, 0, "2001:db8:a:a::", 64, "fe80::1", data->timestamp1, 10, 10);
-    match_dns_server(rdata, 0, "2001:db8:c:c::1", data->timestamp1, 10);
-    match_dns_domain(rdata, 0, "foobar.com", data->timestamp1, 10);
-
-    g_assert(nm_fake_ndisc_done(NM_FAKE_NDISC(ndisc)));
-    data->counter++;
-    g_main_loop_quit(data->loop);
-}
-
-static void
-test_simple(void)
-{
-    NMFakeNDisc *ndisc = ndisc_new();
-    guint32      now   = nm_utils_get_monotonic_timestamp_sec();
-    TestData     data  = {g_main_loop_new(NULL, FALSE), 0, 0, now};
-    guint        id;
-
-    id = nm_fake_ndisc_add_ra(ndisc, 1, NM_NDISC_DHCP_LEVEL_OTHERCONF, 4, 1500);
-    g_assert(id);
-    nm_fake_ndisc_add_gateway(ndisc, id, "fe80::1", now, 10, NM_ICMPV6_ROUTER_PREF_MEDIUM);
-    nm_fake_ndisc_add_prefix(ndisc, id, "2001:db8:a:a::", 64, "fe80::1", now, 10, 10, 10);
-    nm_fake_ndisc_add_dns_server(ndisc, id, "2001:db8:c:c::1", now, 10);
-    nm_fake_ndisc_add_dns_domain(ndisc, id, "foobar.com", now, 10);
-
-    g_signal_connect(ndisc, NM_NDISC_CONFIG_RECEIVED, G_CALLBACK(test_simple_changed), &data);
-
-    nm_ndisc_start(NM_NDISC(ndisc));
-    g_main_loop_run(data.loop);
-    g_assert_cmpint(data.counter, ==, 1);
-
-    g_object_unref(ndisc);
-    g_main_loop_unref(data.loop);
-}
-
-static void
-test_everything_rs_sent(NMNDisc *ndisc, TestData *data)
-{
-    g_assert_cmpint(data->rs_counter, ==, 0);
-    data->rs_counter++;
-}
-
-static void
-test_everything_changed(NMNDisc *ndisc, const NMNDiscData *rdata, guint changed_int, TestData *data)
-{
-    NMNDiscConfigMap changed = changed_int;
-
-    if (data->counter == 0) {
-        g_assert_cmpint(data->rs_counter, ==, 1);
-        g_assert_cmpint(changed,
-                        ==,
-                        NM_NDISC_CONFIG_DHCP_LEVEL | NM_NDISC_CONFIG_GATEWAYS
-                            | NM_NDISC_CONFIG_ADDRESSES | NM_NDISC_CONFIG_ROUTES
-                            | NM_NDISC_CONFIG_DNS_SERVERS | NM_NDISC_CONFIG_DNS_DOMAINS
-                            | NM_NDISC_CONFIG_HOP_LIMIT | NM_NDISC_CONFIG_MTU);
-        match_gateway(rdata, 0, "fe80::1", data->timestamp1, 10, NM_ICMPV6_ROUTER_PREF_MEDIUM);
-        match_address(rdata, 0, "2001:db8:a:a::1", data->timestamp1, 10, 10);
-        match_route(rdata, 0, "2001:db8:a:a::", 64, "fe80::1", data->timestamp1, 10, 10);
-        match_dns_server(rdata, 0, "2001:db8:c:c::1", data->timestamp1, 10);
-        match_dns_domain(rdata, 0, "foobar.com", data->timestamp1, 10);
-    } else if (data->counter == 1) {
-        g_assert_cmpint(changed,
-                        ==,
-                        NM_NDISC_CONFIG_GATEWAYS | NM_NDISC_CONFIG_ADDRESSES
-                            | NM_NDISC_CONFIG_ROUTES | NM_NDISC_CONFIG_DNS_SERVERS
-                            | NM_NDISC_CONFIG_DNS_DOMAINS);
-
-        g_assert_cmpint(rdata->gateways_n, ==, 1);
-        match_gateway(rdata, 0, "fe80::2", data->timestamp1, 10, NM_ICMPV6_ROUTER_PREF_MEDIUM);
-        g_assert_cmpint(rdata->addresses_n, ==, 2);
-        match_address(rdata, 0, "2001:db8:a:a::1", data->timestamp1, 10, 0);
-        match_address(rdata, 1, "2001:db8:a:b::1", data->timestamp1, 10, 10);
-        g_assert_cmpint(rdata->routes_n, ==, 1);
-        match_route(rdata, 0, "2001:db8:a:b::", 64, "fe80::2", data->timestamp1, 10, 10);
-        g_assert_cmpint(rdata->dns_servers_n, ==, 1);
-        match_dns_server(rdata, 0, "2001:db8:c:c::2", data->timestamp1, 10);
-        g_assert_cmpint(rdata->dns_domains_n, ==, 1);
-        match_dns_domain(rdata, 0, "foobar2.com", data->timestamp1, 10);
-
-        g_assert(nm_fake_ndisc_done(NM_FAKE_NDISC(ndisc)));
-        g_main_loop_quit(data->loop);
-    } else
-        g_assert_not_reached();
-
-    data->counter++;
-}
-
-static void
-test_everything(void)
-{
-    NMFakeNDisc *ndisc = ndisc_new();
-    guint32      now   = nm_utils_get_monotonic_timestamp_sec();
-    TestData     data  = {g_main_loop_new(NULL, FALSE), 0, 0, now};
-    guint        id;
-
-    id = nm_fake_ndisc_add_ra(ndisc, 1, NM_NDISC_DHCP_LEVEL_NONE, 4, 1500);
-    g_assert(id);
-    nm_fake_ndisc_add_gateway(ndisc, id, "fe80::1", now, 10, NM_ICMPV6_ROUTER_PREF_MEDIUM);
-    nm_fake_ndisc_add_prefix(ndisc, id, "2001:db8:a:a::", 64, "fe80::1", now, 10, 10, 10);
-    nm_fake_ndisc_add_dns_server(ndisc, id, "2001:db8:c:c::1", now, 10);
-    nm_fake_ndisc_add_dns_domain(ndisc, id, "foobar.com", now, 10);
-
-    /* expire everything from the first RA in the second */
-    id = nm_fake_ndisc_add_ra(ndisc, 1, NM_NDISC_DHCP_LEVEL_NONE, 4, 1500);
-    g_assert(id);
-    nm_fake_ndisc_add_gateway(ndisc, id, "fe80::1", now, 0, NM_ICMPV6_ROUTER_PREF_MEDIUM);
-    nm_fake_ndisc_add_prefix(ndisc, id, "2001:db8:a:a::", 64, "fe80::1", now, 0, 0, 0);
-    nm_fake_ndisc_add_dns_server(ndisc, id, "2001:db8:c:c::1", now, 0);
-    nm_fake_ndisc_add_dns_domain(ndisc, id, "foobar.com", now, 0);
-
-    /* and add some new stuff */
-    nm_fake_ndisc_add_gateway(ndisc, id, "fe80::2", now, 10, NM_ICMPV6_ROUTER_PREF_MEDIUM);
-    nm_fake_ndisc_add_prefix(ndisc, id, "2001:db8:a:b::", 64, "fe80::2", now, 10, 10, 10);
-    nm_fake_ndisc_add_dns_server(ndisc, id, "2001:db8:c:c::2", now, 10);
-    nm_fake_ndisc_add_dns_domain(ndisc, id, "foobar2.com", now, 10);
-
-    g_signal_connect(ndisc, NM_NDISC_CONFIG_RECEIVED, G_CALLBACK(test_everything_changed), &data);
-    g_signal_connect(ndisc, NM_FAKE_NDISC_RS_SENT, G_CALLBACK(test_everything_rs_sent), &data);
-
-    nm_ndisc_start(NM_NDISC(ndisc));
-    g_main_loop_run(data.loop);
-    g_assert_cmpint(data.counter, ==, 2);
-    g_assert_cmpint(data.rs_counter, ==, 1);
-
-    g_object_unref(ndisc);
-    g_main_loop_unref(data.loop);
-}
-
-static void
-test_preference_order_cb(NMNDisc *          ndisc,
-                         const NMNDiscData *rdata,
-                         guint              changed_int,
-                         TestData *         data)
-{
-    NMNDiscConfigMap changed = changed_int;
-
-    if (data->counter == 1) {
-        g_assert_cmpint(changed,
-                        ==,
-                        NM_NDISC_CONFIG_GATEWAYS | NM_NDISC_CONFIG_ADDRESSES
-                            | NM_NDISC_CONFIG_ROUTES);
-
-        g_assert_cmpint(rdata->gateways_n, ==, 2);
-        match_gateway(rdata, 0, "fe80::1", data->timestamp1, 10, NM_ICMPV6_ROUTER_PREF_HIGH);
-        match_gateway(rdata, 1, "fe80::2", data->timestamp1 + 1, 10, NM_ICMPV6_ROUTER_PREF_LOW);
-        g_assert_cmpint(rdata->addresses_n, ==, 2);
-        match_address(rdata, 0, "2001:db8:a:a::1", data->timestamp1, 10, 10);
-        match_address(rdata, 1, "2001:db8:a:b::1", data->timestamp1 + 1, 10, 10);
-        g_assert_cmpint(rdata->routes_n, ==, 2);
-        match_route(rdata, 0, "2001:db8:a:b::", 64, "fe80::2", data->timestamp1 + 1, 10, 10);
-        match_route(rdata, 1, "2001:db8:a:a::", 64, "fe80::1", data->timestamp1, 10, 5);
-
-        g_assert(nm_fake_ndisc_done(NM_FAKE_NDISC(ndisc)));
-        g_main_loop_quit(data->loop);
-    }
-
-    data->counter++;
-}
-
-static void
-test_preference_order(void)
-{
-    NMFakeNDisc *ndisc = ndisc_new();
-    guint32      now   = nm_utils_get_monotonic_timestamp_sec();
-    TestData     data  = {g_main_loop_new(NULL, FALSE), 0, 0, now};
-    guint        id;
-
-    /* Test insertion order of gateways */
-
-    id = nm_fake_ndisc_add_ra(ndisc, 1, NM_NDISC_DHCP_LEVEL_NONE, 4, 1500);
-    g_assert(id);
-    nm_fake_ndisc_add_gateway(ndisc, id, "fe80::1", now, 10, NM_ICMPV6_ROUTER_PREF_HIGH);
-    nm_fake_ndisc_add_prefix(ndisc, id, "2001:db8:a:a::", 64, "fe80::1", now, 10, 10, 5);
-
-    id = nm_fake_ndisc_add_ra(ndisc, 1, NM_NDISC_DHCP_LEVEL_NONE, 4, 1500);
-    g_assert(id);
-    nm_fake_ndisc_add_gateway(ndisc, id, "fe80::2", ++now, 10, NM_ICMPV6_ROUTER_PREF_LOW);
-    nm_fake_ndisc_add_prefix(ndisc, id, "2001:db8:a:b::", 64, "fe80::2", now, 10, 10, 10);
-
-    g_signal_connect(ndisc, NM_NDISC_CONFIG_RECEIVED, G_CALLBACK(test_preference_order_cb), &data);
-
-    nm_ndisc_start(NM_NDISC(ndisc));
-    g_main_loop_run(data.loop);
-    g_assert_cmpint(data.counter, ==, 2);
-
-    g_object_unref(ndisc);
-    g_main_loop_unref(data.loop);
-}
-
-static void
-test_preference_changed_cb(NMNDisc *          ndisc,
-                           const NMNDiscData *rdata,
-                           guint              changed_int,
-                           TestData *         data)
-{
-    NMNDiscConfigMap changed = changed_int;
-
-    if (data->counter == 1) {
-        g_assert_cmpint(changed,
-                        ==,
-                        NM_NDISC_CONFIG_GATEWAYS | NM_NDISC_CONFIG_ADDRESSES
-                            | NM_NDISC_CONFIG_ROUTES);
-        g_assert_cmpint(rdata->gateways_n, ==, 2);
-        match_gateway(rdata, 0, "fe80::2", data->timestamp1 + 1, 10, NM_ICMPV6_ROUTER_PREF_MEDIUM);
-        match_gateway(rdata, 1, "fe80::1", data->timestamp1, 10, NM_ICMPV6_ROUTER_PREF_LOW);
-        g_assert_cmpint(rdata->addresses_n, ==, 2);
-        match_address(rdata, 0, "2001:db8:a:a::1", data->timestamp1, 10, 10);
-        match_address(rdata, 1, "2001:db8:a:b::1", data->timestamp1 + 1, 10, 10);
-        g_assert_cmpint(rdata->routes_n, ==, 2);
-        match_route(rdata, 0, "2001:db8:a:b::", 64, "fe80::2", data->timestamp1 + 1, 10, 10);
-        match_route(rdata, 1, "2001:db8:a:a::", 64, "fe80::1", data->timestamp1, 10, 5);
-    } else if (data->counter == 2) {
-        g_assert_cmpint(changed,
-                        ==,
-                        NM_NDISC_CONFIG_GATEWAYS | NM_NDISC_CONFIG_ADDRESSES
-                            | NM_NDISC_CONFIG_ROUTES);
-
-        g_assert_cmpint(rdata->gateways_n, ==, 2);
-        match_gateway(rdata, 0, "fe80::1", data->timestamp1 + 2, 10, NM_ICMPV6_ROUTER_PREF_HIGH);
-        match_gateway(rdata, 1, "fe80::2", data->timestamp1 + 1, 10, NM_ICMPV6_ROUTER_PREF_MEDIUM);
-        g_assert_cmpint(rdata->addresses_n, ==, 2);
-        match_address(rdata, 0, "2001:db8:a:a::1", data->timestamp1 + 3, 9, 9);
-        match_address(rdata, 1, "2001:db8:a:b::1", data->timestamp1 + 1, 10, 10);
-        g_assert_cmpint(rdata->routes_n, ==, 2);
-        match_route(rdata, 0, "2001:db8:a:a::", 64, "fe80::1", data->timestamp1 + 2, 10, 15);
-        match_route(rdata, 1, "2001:db8:a:b::", 64, "fe80::2", data->timestamp1 + 1, 10, 10);
-
-        g_assert(nm_fake_ndisc_done(NM_FAKE_NDISC(ndisc)));
-        g_main_loop_quit(data->loop);
-    }
-
-    data->counter++;
-}
-
-static void
-test_preference_changed(void)
-{
-    NMFakeNDisc *ndisc = ndisc_new();
-    guint32      now   = nm_utils_get_monotonic_timestamp_sec();
-    TestData     data  = {g_main_loop_new(NULL, FALSE), 0, 0, now};
-    guint        id;
-
-    /* Test that when a low-preference and medium gateway send advertisements,
-     * that if the low-preference gateway switches to high-preference, we do
-     * not get duplicates in the gateway list.
-     */
-
-    id = nm_fake_ndisc_add_ra(ndisc, 1, NM_NDISC_DHCP_LEVEL_NONE, 4, 1500);
-    g_assert(id);
-    nm_fake_ndisc_add_gateway(ndisc, id, "fe80::1", now, 10, NM_ICMPV6_ROUTER_PREF_LOW);
-    nm_fake_ndisc_add_prefix(ndisc, id, "2001:db8:a:a::", 64, "fe80::1", now, 10, 10, 5);
-
-    id = nm_fake_ndisc_add_ra(ndisc, 1, NM_NDISC_DHCP_LEVEL_NONE, 4, 1500);
-    g_assert(id);
-    nm_fake_ndisc_add_gateway(ndisc, id, "fe80::2", ++now, 10, NM_ICMPV6_ROUTER_PREF_MEDIUM);
-    nm_fake_ndisc_add_prefix(ndisc, id, "2001:db8:a:b::", 64, "fe80::2", now, 10, 10, 10);
-
-    id = nm_fake_ndisc_add_ra(ndisc, 1, NM_NDISC_DHCP_LEVEL_NONE, 4, 1500);
-    g_assert(id);
-    nm_fake_ndisc_add_gateway(ndisc, id, "fe80::1", ++now, 10, NM_ICMPV6_ROUTER_PREF_HIGH);
-    nm_fake_ndisc_add_prefix(ndisc, id, "2001:db8:a:a::", 64, "fe80::1", now, 10, 10, 15);
-
-    g_signal_connect(ndisc,
-                     NM_NDISC_CONFIG_RECEIVED,
-                     G_CALLBACK(test_preference_changed_cb),
-                     &data);
-
-    nm_ndisc_start(NM_NDISC(ndisc));
-    g_main_loop_run(data.loop);
-    g_assert_cmpint(data.counter, ==, 3);
-
-    g_object_unref(ndisc);
-    g_main_loop_unref(data.loop);
-}
-
-static void
-test_dns_solicit_loop_changed(NMNDisc *          ndisc,
-                              const NMNDiscData *rdata,
-                              guint              changed_int,
-                              TestData *         data)
-{
-    data->counter++;
-}
-
-static gboolean
-success_timeout(TestData *data)
-{
-    data->timeout_id = 0;
-    g_main_loop_quit(data->loop);
-    return G_SOURCE_REMOVE;
-}
-
-static void
-test_dns_solicit_loop_rs_sent(NMFakeNDisc *ndisc, TestData *data)
-{
-    guint32 now = nm_utils_get_monotonic_timestamp_sec();
-    guint   id;
-
-    if (data->rs_counter > 0 && data->rs_counter < 6) {
-        if (data->rs_counter == 1) {
-            data->first_solicit = now;
-            /* Kill the test after 10 seconds if it hasn't failed yet */
-            data->timeout_id = g_timeout_add_seconds(10, (GSourceFunc) success_timeout, data);
-        }
-
-        /* On all but the first solicitation, which should be triggered by the
-         * DNS servers reaching 1/2 lifetime, emit a new RA without the DNS
-         * servers again.
-         */
-        id = nm_fake_ndisc_add_ra(ndisc, 0, NM_NDISC_DHCP_LEVEL_NONE, 4, 1500);
-        g_assert(id);
-        nm_fake_ndisc_add_gateway(ndisc, id, "fe80::1", now, 10, NM_ICMPV6_ROUTER_PREF_MEDIUM);
-
-        nm_fake_ndisc_emit_new_ras(ndisc);
-    } else if (data->rs_counter >= 6) {
-        /* Fail if we've sent too many solicitations in the past 4 seconds */
-        g_assert_cmpint(now - data->first_solicit, >, 4);
-        g_source_remove(data->timeout_id);
-        g_main_loop_quit(data->loop);
-    }
-    data->rs_counter++;
-}
-
-static void
-test_dns_solicit_loop(void)
-{
-    NMFakeNDisc *ndisc = ndisc_new();
-    guint32      now   = nm_utils_get_monotonic_timestamp_sec();
-    TestData     data  = {g_main_loop_new(NULL, FALSE), 0, 0, now, 0};
-    guint        id;
-
-    /* Ensure that no solicitation loop happens when DNS servers or domains
-     * stop being sent in advertisements.  This can happen if two routers
-     * send RAs, but the one sending DNS info stops responding, or if one
-     * router removes the DNS info from the RA without zero-lifetiming them
-     * first.
-     */
-
-    id = nm_fake_ndisc_add_ra(ndisc, 1, NM_NDISC_DHCP_LEVEL_NONE, 4, 1500);
-    g_assert(id);
-    nm_fake_ndisc_add_gateway(ndisc, id, "fe80::1", now, 10, NM_ICMPV6_ROUTER_PREF_LOW);
-    nm_fake_ndisc_add_dns_server(ndisc, id, "2001:db8:c:c::1", now, 6);
-
-    g_signal_connect(ndisc,
-                     NM_NDISC_CONFIG_RECEIVED,
-                     G_CALLBACK(test_dns_solicit_loop_changed),
-                     &data);
-    g_signal_connect(ndisc,
-                     NM_FAKE_NDISC_RS_SENT,
-                     G_CALLBACK(test_dns_solicit_loop_rs_sent),
-                     &data);
-
-    nm_ndisc_start(NM_NDISC(ndisc));
-    g_main_loop_run(data.loop);
-    g_assert_cmpint(data.counter, ==, 3);
-
-    g_object_unref(ndisc);
-    g_main_loop_unref(data.loop);
-}
-
-NMTST_DEFINE();
-
-int
-main(int argc, char **argv)
-{
-    nmtst_init_with_logging(&argc, &argv, NULL, "DEFAULT");
-
-    if (nmtst_test_quick()) {
-        g_print("Skipping test: don't run long running test %s (NMTST_DEBUG=slow)\n",
-                g_get_prgname() ?: "test-ndisc-fake");
-        return g_test_run();
-    }
-
-    nm_fake_platform_setup();
-
-    g_test_add_func("/ndisc/simple", test_simple);
-    g_test_add_func("/ndisc/everything-changed", test_everything);
-    g_test_add_func("/ndisc/preference-order", test_preference_order);
-    g_test_add_func("/ndisc/preference-changed", test_preference_changed);
-    g_test_add_func("/ndisc/dns-solicit-loop", test_dns_solicit_loop);
-
-    return g_test_run();
-}
diff --git a/src/ndisc/tests/test-ndisc-linux.c b/src/ndisc/tests/test-ndisc-linux.c
deleted file mode 100644
index 7e5e258b..00000000
--- a/src/ndisc/tests/test-ndisc-linux.c
+++ /dev/null
@@ -1,85 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0+ */
-/*
- * Copyright (C) 2013 Red Hat, Inc.
- */
-
-#include "nm-default.h"
-
-#include <syslog.h>
-
-#include "ndisc/nm-ndisc.h"
-#include "ndisc/nm-lndp-ndisc.h"
-
-#include "platform/nm-linux-platform.h"
-
-#include "nm-test-utils-core.h"
-
-NMTST_DEFINE();
-
-int
-main(int argc, char **argv)
-{
-    GMainLoop *        loop;
-    NMNDisc *          ndisc;
-    int                ifindex = 1;
-    const char *       ifname;
-    NMUtilsIPv6IfaceId iid   = {};
-    GError *           error = NULL;
-    int                max_addresses;
-    int                router_solicitations;
-    int                router_solicitation_interval;
-    guint32            ra_timeout;
-
-    nmtst_init_with_logging(&argc, &argv, NULL, "DEFAULT");
-
-    if (getuid() != 0) {
-        g_print("Missing permission: must run as root\n");
-        return EXIT_FAILURE;
-    }
-
-    loop = g_main_loop_new(NULL, FALSE);
-
-    nm_linux_platform_setup();
-
-    if (argv[1]) {
-        ifname  = argv[1];
-        ifindex = nm_platform_link_get_ifindex(NM_PLATFORM_GET, ifname);
-    } else {
-        g_print("Missing command line argument \"interface-name\"\n");
-        return EXIT_FAILURE;
-    }
-
-    nm_lndp_ndisc_get_sysctl(NM_PLATFORM_GET,
-                             ifname,
-                             &max_addresses,
-                             &router_solicitations,
-                             &router_solicitation_interval,
-                             &ra_timeout);
-
-    ndisc = nm_lndp_ndisc_new(NM_PLATFORM_GET,
-                              ifindex,
-                              ifname,
-                              NM_UTILS_STABLE_TYPE_UUID,
-                              "8ce666e8-d34d-4fb1-b858-f15a7al28086",
-                              NM_SETTING_IP6_CONFIG_ADDR_GEN_MODE_EUI64,
-                              NM_NDISC_NODE_TYPE_HOST,
-                              max_addresses,
-                              router_solicitations,
-                              router_solicitation_interval,
-                              ra_timeout,
-                              &error);
-    if (!ndisc) {
-        g_print("Failed to create NMNDisc instance: %s\n", error->message);
-        g_error_free(error);
-        return EXIT_FAILURE;
-    }
-
-    iid.id_u8[7] = 1;
-    nm_ndisc_set_iid(ndisc, iid);
-    nm_ndisc_start(ndisc);
-    g_main_loop_run(loop);
-
-    g_clear_object(&ndisc);
-
-    return EXIT_SUCCESS;
-}