New upstream version 1.32.12 upstream/1.32.12

8 files changed, 1035 insertions, 0 deletions

diff --git a/src/libnm-base/meson.build b/src/libnm-base/meson.build
new file mode 100644
index 00000000..d7e7a1b8
--- /dev/null
+++ b/src/libnm-base/meson.build
@@ -0,0 +1,14 @@
+# SPDX-License-Identifier: LGPL-2.1-or-later
+
+libnm_base = static_library(
+  'nm-base',
+  sources: files(
+    'nm-ethtool-base.c',
+    'nm-net-aux.c',
+  ),
+  include_directories: [
+    src_inc,
+    top_inc,
+  ],
+  dependencies: glib_dep,
+)
diff --git a/src/libnm-base/nm-base.h b/src/libnm-base/nm-base.h
new file mode 100644
index 00000000..3257b3f0
--- /dev/null
+++ b/src/libnm-base/nm-base.h
@@ -0,0 +1,389 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+/*
+ * Copyright (C) 2018 Red Hat, Inc.
+ */
+
+#ifndef __NM_LIBNM_BASE_H__
+#define __NM_LIBNM_BASE_H__
+
+/*****************************************************************************/
+
+/* this must be the same as NM_UTILS_HWADDR_LEN_MAX from libnm. */
+#define _NM_UTILS_HWADDR_LEN_MAX 20
+
+#define _NM_MAX_CLIENT_ID_LEN (sizeof(guint32) + 128)
+
+/*****************************************************************************/
+
+typedef enum {
+    NM_ETHTOOL_ID_UNKNOWN = -1,
+
+    _NM_ETHTOOL_ID_FIRST = 0,
+
+    _NM_ETHTOOL_ID_COALESCE_FIRST      = _NM_ETHTOOL_ID_FIRST,
+    NM_ETHTOOL_ID_COALESCE_ADAPTIVE_RX = _NM_ETHTOOL_ID_COALESCE_FIRST,
+    NM_ETHTOOL_ID_COALESCE_ADAPTIVE_TX,
+    NM_ETHTOOL_ID_COALESCE_PKT_RATE_HIGH,
+    NM_ETHTOOL_ID_COALESCE_PKT_RATE_LOW,
+    NM_ETHTOOL_ID_COALESCE_RX_FRAMES,
+    NM_ETHTOOL_ID_COALESCE_RX_FRAMES_HIGH,
+    NM_ETHTOOL_ID_COALESCE_RX_FRAMES_IRQ,
+    NM_ETHTOOL_ID_COALESCE_RX_FRAMES_LOW,
+    NM_ETHTOOL_ID_COALESCE_RX_USECS,
+    NM_ETHTOOL_ID_COALESCE_RX_USECS_HIGH,
+    NM_ETHTOOL_ID_COALESCE_RX_USECS_IRQ,
+    NM_ETHTOOL_ID_COALESCE_RX_USECS_LOW,
+    NM_ETHTOOL_ID_COALESCE_SAMPLE_INTERVAL,
+    NM_ETHTOOL_ID_COALESCE_STATS_BLOCK_USECS,
+    NM_ETHTOOL_ID_COALESCE_TX_FRAMES,
+    NM_ETHTOOL_ID_COALESCE_TX_FRAMES_HIGH,
+    NM_ETHTOOL_ID_COALESCE_TX_FRAMES_IRQ,
+    NM_ETHTOOL_ID_COALESCE_TX_FRAMES_LOW,
+    NM_ETHTOOL_ID_COALESCE_TX_USECS,
+    NM_ETHTOOL_ID_COALESCE_TX_USECS_HIGH,
+    NM_ETHTOOL_ID_COALESCE_TX_USECS_IRQ,
+    NM_ETHTOOL_ID_COALESCE_TX_USECS_LOW,
+    _NM_ETHTOOL_ID_COALESCE_LAST = NM_ETHTOOL_ID_COALESCE_TX_USECS_LOW,
+
+    _NM_ETHTOOL_ID_FEATURE_FIRST         = _NM_ETHTOOL_ID_COALESCE_LAST + 1,
+    NM_ETHTOOL_ID_FEATURE_ESP_HW_OFFLOAD = _NM_ETHTOOL_ID_FEATURE_FIRST,
+    NM_ETHTOOL_ID_FEATURE_ESP_TX_CSUM_HW_OFFLOAD,
+    NM_ETHTOOL_ID_FEATURE_FCOE_MTU,
+    NM_ETHTOOL_ID_FEATURE_GRO,
+    NM_ETHTOOL_ID_FEATURE_GSO,
+    NM_ETHTOOL_ID_FEATURE_HIGHDMA,
+    NM_ETHTOOL_ID_FEATURE_HW_TC_OFFLOAD,
+    NM_ETHTOOL_ID_FEATURE_L2_FWD_OFFLOAD,
+    NM_ETHTOOL_ID_FEATURE_LOOPBACK,
+    NM_ETHTOOL_ID_FEATURE_LRO,
+    NM_ETHTOOL_ID_FEATURE_MACSEC_HW_OFFLOAD,
+    NM_ETHTOOL_ID_FEATURE_NTUPLE,
+    NM_ETHTOOL_ID_FEATURE_RX,
+    NM_ETHTOOL_ID_FEATURE_RXHASH,
+    NM_ETHTOOL_ID_FEATURE_RXVLAN,
+    NM_ETHTOOL_ID_FEATURE_RX_ALL,
+    NM_ETHTOOL_ID_FEATURE_RX_FCS,
+    NM_ETHTOOL_ID_FEATURE_RX_GRO_HW,
+    NM_ETHTOOL_ID_FEATURE_RX_GRO_LIST,
+    NM_ETHTOOL_ID_FEATURE_RX_UDP_GRO_FORWARDING,
+    NM_ETHTOOL_ID_FEATURE_RX_UDP_TUNNEL_PORT_OFFLOAD,
+    NM_ETHTOOL_ID_FEATURE_RX_VLAN_FILTER,
+    NM_ETHTOOL_ID_FEATURE_RX_VLAN_STAG_FILTER,
+    NM_ETHTOOL_ID_FEATURE_RX_VLAN_STAG_HW_PARSE,
+    NM_ETHTOOL_ID_FEATURE_SG,
+    NM_ETHTOOL_ID_FEATURE_TLS_HW_RECORD,
+    NM_ETHTOOL_ID_FEATURE_TLS_HW_RX_OFFLOAD,
+    NM_ETHTOOL_ID_FEATURE_TLS_HW_TX_OFFLOAD,
+    NM_ETHTOOL_ID_FEATURE_TSO,
+    NM_ETHTOOL_ID_FEATURE_TX,
+    NM_ETHTOOL_ID_FEATURE_TXVLAN,
+    NM_ETHTOOL_ID_FEATURE_TX_CHECKSUM_FCOE_CRC,
+    NM_ETHTOOL_ID_FEATURE_TX_CHECKSUM_IPV4,
+    NM_ETHTOOL_ID_FEATURE_TX_CHECKSUM_IPV6,
+    NM_ETHTOOL_ID_FEATURE_TX_CHECKSUM_IP_GENERIC,
+    NM_ETHTOOL_ID_FEATURE_TX_CHECKSUM_SCTP,
+    NM_ETHTOOL_ID_FEATURE_TX_ESP_SEGMENTATION,
+    NM_ETHTOOL_ID_FEATURE_TX_FCOE_SEGMENTATION,
+    NM_ETHTOOL_ID_FEATURE_TX_GRE_CSUM_SEGMENTATION,
+    NM_ETHTOOL_ID_FEATURE_TX_GRE_SEGMENTATION,
+    NM_ETHTOOL_ID_FEATURE_TX_GSO_LIST,
+    NM_ETHTOOL_ID_FEATURE_TX_GSO_PARTIAL,
+    NM_ETHTOOL_ID_FEATURE_TX_GSO_ROBUST,
+    NM_ETHTOOL_ID_FEATURE_TX_IPXIP4_SEGMENTATION,
+    NM_ETHTOOL_ID_FEATURE_TX_IPXIP6_SEGMENTATION,
+    NM_ETHTOOL_ID_FEATURE_TX_NOCACHE_COPY,
+    NM_ETHTOOL_ID_FEATURE_TX_SCATTER_GATHER,
+    NM_ETHTOOL_ID_FEATURE_TX_SCATTER_GATHER_FRAGLIST,
+    NM_ETHTOOL_ID_FEATURE_TX_SCTP_SEGMENTATION,
+    NM_ETHTOOL_ID_FEATURE_TX_TCP6_SEGMENTATION,
+    NM_ETHTOOL_ID_FEATURE_TX_TCP_ECN_SEGMENTATION,
+    NM_ETHTOOL_ID_FEATURE_TX_TCP_MANGLEID_SEGMENTATION,
+    NM_ETHTOOL_ID_FEATURE_TX_TCP_SEGMENTATION,
+    NM_ETHTOOL_ID_FEATURE_TX_TUNNEL_REMCSUM_SEGMENTATION,
+    NM_ETHTOOL_ID_FEATURE_TX_UDP_SEGMENTATION,
+    NM_ETHTOOL_ID_FEATURE_TX_UDP_TNL_CSUM_SEGMENTATION,
+    NM_ETHTOOL_ID_FEATURE_TX_UDP_TNL_SEGMENTATION,
+    NM_ETHTOOL_ID_FEATURE_TX_VLAN_STAG_HW_INSERT,
+    _NM_ETHTOOL_ID_FEATURE_LAST = NM_ETHTOOL_ID_FEATURE_TX_VLAN_STAG_HW_INSERT,
+
+    _NM_ETHTOOL_ID_PAUSE_FIRST  = _NM_ETHTOOL_ID_FEATURE_LAST + 1,
+    NM_ETHTOOL_ID_PAUSE_AUTONEG = _NM_ETHTOOL_ID_PAUSE_FIRST,
+    NM_ETHTOOL_ID_PAUSE_RX,
+    NM_ETHTOOL_ID_PAUSE_TX,
+    _NM_ETHTOOL_ID_PAUSE_LAST = NM_ETHTOOL_ID_PAUSE_TX,
+
+    _NM_ETHTOOL_ID_RING_FIRST = _NM_ETHTOOL_ID_PAUSE_LAST + 1,
+    NM_ETHTOOL_ID_RING_RX     = _NM_ETHTOOL_ID_RING_FIRST,
+    NM_ETHTOOL_ID_RING_RX_JUMBO,
+    NM_ETHTOOL_ID_RING_RX_MINI,
+    NM_ETHTOOL_ID_RING_TX,
+    _NM_ETHTOOL_ID_RING_LAST = NM_ETHTOOL_ID_RING_TX,
+
+    _NM_ETHTOOL_ID_LAST = _NM_ETHTOOL_ID_RING_LAST,
+
+    _NM_ETHTOOL_ID_COALESCE_NUM =
+        (_NM_ETHTOOL_ID_COALESCE_LAST - _NM_ETHTOOL_ID_COALESCE_FIRST + 1),
+    _NM_ETHTOOL_ID_FEATURE_NUM = (_NM_ETHTOOL_ID_FEATURE_LAST - _NM_ETHTOOL_ID_FEATURE_FIRST + 1),
+    _NM_ETHTOOL_ID_RING_NUM    = (_NM_ETHTOOL_ID_RING_LAST - _NM_ETHTOOL_ID_RING_FIRST + 1),
+    _NM_ETHTOOL_ID_PAUSE_NUM   = (_NM_ETHTOOL_ID_PAUSE_LAST - _NM_ETHTOOL_ID_PAUSE_FIRST + 1),
+    _NM_ETHTOOL_ID_NUM         = (_NM_ETHTOOL_ID_LAST - _NM_ETHTOOL_ID_FIRST + 1),
+} NMEthtoolID;
+
+#define _NM_ETHTOOL_ID_FEATURE_AS_IDX(ethtool_id)  ((ethtool_id) -_NM_ETHTOOL_ID_FEATURE_FIRST)
+#define _NM_ETHTOOL_ID_COALESCE_AS_IDX(ethtool_id) ((ethtool_id) -_NM_ETHTOOL_ID_COALESCE_FIRST)
+
+typedef enum {
+    NM_ETHTOOL_TYPE_UNKNOWN,
+    NM_ETHTOOL_TYPE_COALESCE,
+    NM_ETHTOOL_TYPE_FEATURE,
+    NM_ETHTOOL_TYPE_RING,
+    NM_ETHTOOL_TYPE_PAUSE,
+} NMEthtoolType;
+
+/****************************************************************************/
+
+static inline gboolean
+nm_ethtool_id_is_feature(NMEthtoolID id)
+{
+    return id >= _NM_ETHTOOL_ID_FEATURE_FIRST && id <= _NM_ETHTOOL_ID_FEATURE_LAST;
+}
+
+static inline gboolean
+nm_ethtool_id_is_coalesce(NMEthtoolID id)
+{
+    return id >= _NM_ETHTOOL_ID_COALESCE_FIRST && id <= _NM_ETHTOOL_ID_COALESCE_LAST;
+}
+
+static inline gboolean
+nm_ethtool_id_is_ring(NMEthtoolID id)
+{
+    return id >= _NM_ETHTOOL_ID_RING_FIRST && id <= _NM_ETHTOOL_ID_RING_LAST;
+}
+
+static inline gboolean
+nm_ethtool_id_is_pause(NMEthtoolID id)
+{
+    return id >= _NM_ETHTOOL_ID_PAUSE_FIRST && id <= _NM_ETHTOOL_ID_PAUSE_LAST;
+}
+
+/*****************************************************************************/
+
+typedef enum {
+    /* Mirrors libnm's NMSettingWiredWakeOnLan */
+    _NM_SETTING_WIRED_WAKE_ON_LAN_NONE      = 0,
+    _NM_SETTING_WIRED_WAKE_ON_LAN_PHY       = 0x2,
+    _NM_SETTING_WIRED_WAKE_ON_LAN_UNICAST   = 0x4,
+    _NM_SETTING_WIRED_WAKE_ON_LAN_MULTICAST = 0x8,
+    _NM_SETTING_WIRED_WAKE_ON_LAN_BROADCAST = 0x10,
+    _NM_SETTING_WIRED_WAKE_ON_LAN_ARP       = 0x20,
+    _NM_SETTING_WIRED_WAKE_ON_LAN_MAGIC     = 0x40,
+
+    _NM_SETTING_WIRED_WAKE_ON_LAN_ALL = 0x7E,
+
+    _NM_SETTING_WIRED_WAKE_ON_LAN_DEFAULT         = 0x1,
+    _NM_SETTING_WIRED_WAKE_ON_LAN_IGNORE          = 0x8000,
+    _NM_SETTING_WIRED_WAKE_ON_LAN_EXCLUSIVE_FLAGS = 0x8001,
+} _NMSettingWiredWakeOnLan;
+
+typedef enum {
+    /* Mirrors libnm's NMSettingWirelessWakeOnWLan */
+    _NM_SETTING_WIRELESS_WAKE_ON_WLAN_NONE                 = 0,
+    _NM_SETTING_WIRELESS_WAKE_ON_WLAN_ANY                  = 0x2,
+    _NM_SETTING_WIRELESS_WAKE_ON_WLAN_DISCONNECT           = 0x4,
+    _NM_SETTING_WIRELESS_WAKE_ON_WLAN_MAGIC                = 0x8,
+    _NM_SETTING_WIRELESS_WAKE_ON_WLAN_GTK_REKEY_FAILURE    = 0x10,
+    _NM_SETTING_WIRELESS_WAKE_ON_WLAN_EAP_IDENTITY_REQUEST = 0x20,
+    _NM_SETTING_WIRELESS_WAKE_ON_WLAN_4WAY_HANDSHAKE       = 0x40,
+    _NM_SETTING_WIRELESS_WAKE_ON_WLAN_RFKILL_RELEASE       = 0x80,
+    _NM_SETTING_WIRELESS_WAKE_ON_WLAN_TCP                  = 0x100,
+
+    _NM_SETTING_WIRELESS_WAKE_ON_WLAN_ALL = 0x1FE,
+
+    _NM_SETTING_WIRELESS_WAKE_ON_WLAN_DEFAULT = 0x1,
+    _NM_SETTING_WIRELESS_WAKE_ON_WLAN_IGNORE  = 0x8000,
+
+    _NM_SETTING_WIRELESS_WAKE_ON_WLAN_EXCLUSIVE_FLAGS =
+        _NM_SETTING_WIRELESS_WAKE_ON_WLAN_DEFAULT | _NM_SETTING_WIRELESS_WAKE_ON_WLAN_IGNORE,
+} _NMSettingWirelessWakeOnWLan;
+
+typedef enum {
+    /* Mirrors libnm's NMDeviceWifiCapabilities */
+    _NM_WIFI_DEVICE_CAP_NONE          = 0x00000000,
+    _NM_WIFI_DEVICE_CAP_CIPHER_WEP40  = 0x00000001,
+    _NM_WIFI_DEVICE_CAP_CIPHER_WEP104 = 0x00000002,
+    _NM_WIFI_DEVICE_CAP_CIPHER_TKIP   = 0x00000004,
+    _NM_WIFI_DEVICE_CAP_CIPHER_CCMP   = 0x00000008,
+    _NM_WIFI_DEVICE_CAP_WPA           = 0x00000010,
+    _NM_WIFI_DEVICE_CAP_RSN           = 0x00000020,
+    _NM_WIFI_DEVICE_CAP_AP            = 0x00000040,
+    _NM_WIFI_DEVICE_CAP_ADHOC         = 0x00000080,
+    _NM_WIFI_DEVICE_CAP_FREQ_VALID    = 0x00000100,
+    _NM_WIFI_DEVICE_CAP_FREQ_2GHZ     = 0x00000200,
+    _NM_WIFI_DEVICE_CAP_FREQ_5GHZ     = 0x00000400,
+    _NM_WIFI_DEVICE_CAP_MESH          = 0x00001000,
+    _NM_WIFI_DEVICE_CAP_IBSS_RSN      = 0x00002000,
+} _NMDeviceWifiCapabilities;
+
+typedef enum {
+    /* Mirrors libnm's NM80211Mode */
+    _NM_802_11_MODE_UNKNOWN = 0,
+    _NM_802_11_MODE_ADHOC   = 1,
+    _NM_802_11_MODE_INFRA   = 2,
+    _NM_802_11_MODE_AP      = 3,
+    _NM_802_11_MODE_MESH    = 4,
+} _NM80211Mode;
+
+typedef enum {
+    /* Mirrors libnm's NMVlanFlags */
+    _NM_VLAN_FLAG_REORDER_HEADERS = 0x1,
+    _NM_VLAN_FLAG_GVRP            = 0x2,
+    _NM_VLAN_FLAG_LOOSE_BINDING   = 0x4,
+    _NM_VLAN_FLAG_MVRP            = 0x8,
+
+    _NM_VLAN_FLAGS_ALL = _NM_VLAN_FLAG_REORDER_HEADERS | _NM_VLAN_FLAG_GVRP
+                         | _NM_VLAN_FLAG_LOOSE_BINDING | _NM_VLAN_FLAG_MVRP,
+} _NMVlanFlags;
+
+/*****************************************************************************/
+
+typedef enum {
+    /* In priority order; higher number == higher priority */
+
+    NM_IP_CONFIG_SOURCE_UNKNOWN = 0,
+
+    /* for routes, the source is mapped to the uint8 field rtm_protocol.
+     * Reserve the range [1,0x100] for native RTPROT values. */
+
+    NM_IP_CONFIG_SOURCE_RTPROT_UNSPEC   = 1 + 0,
+    NM_IP_CONFIG_SOURCE_RTPROT_REDIRECT = 1 + 1,
+    NM_IP_CONFIG_SOURCE_RTPROT_KERNEL   = 1 + 2,
+    NM_IP_CONFIG_SOURCE_RTPROT_BOOT     = 1 + 3,
+    NM_IP_CONFIG_SOURCE_RTPROT_STATIC   = 1 + 4,
+    NM_IP_CONFIG_SOURCE_RTPROT_RA       = 1 + 9,
+    NM_IP_CONFIG_SOURCE_RTPROT_DHCP     = 1 + 16,
+    _NM_IP_CONFIG_SOURCE_RTPROT_LAST    = 1 + 0xFF,
+
+    NM_IP_CONFIG_SOURCE_KERNEL,
+    NM_IP_CONFIG_SOURCE_SHARED,
+    NM_IP_CONFIG_SOURCE_IP4LL,
+    NM_IP_CONFIG_SOURCE_IP6LL,
+    NM_IP_CONFIG_SOURCE_PPP,
+    NM_IP_CONFIG_SOURCE_WWAN,
+    NM_IP_CONFIG_SOURCE_VPN,
+    NM_IP_CONFIG_SOURCE_DHCP,
+    NM_IP_CONFIG_SOURCE_NDISC,
+    NM_IP_CONFIG_SOURCE_USER,
+} NMIPConfigSource;
+
+static inline gboolean
+NM_IS_IP_CONFIG_SOURCE_RTPROT(NMIPConfigSource source)
+{
+    return source > NM_IP_CONFIG_SOURCE_UNKNOWN && source <= _NM_IP_CONFIG_SOURCE_RTPROT_LAST;
+}
+
+/*****************************************************************************/
+
+/* IEEE 802.1D-1998 timer values */
+#define NM_BRIDGE_HELLO_TIME_MIN     1u
+#define NM_BRIDGE_HELLO_TIME_DEF     2u
+#define NM_BRIDGE_HELLO_TIME_DEF_SYS (NM_BRIDGE_HELLO_TIME_DEF * 100u)
+#define NM_BRIDGE_HELLO_TIME_MAX     10u
+
+#define NM_BRIDGE_FORWARD_DELAY_MIN     2u
+#define NM_BRIDGE_FORWARD_DELAY_DEF     15u
+#define NM_BRIDGE_FORWARD_DELAY_DEF_SYS (NM_BRIDGE_FORWARD_DELAY_DEF * 100u)
+#define NM_BRIDGE_FORWARD_DELAY_MAX     30u
+
+#define NM_BRIDGE_MAX_AGE_MIN     6u
+#define NM_BRIDGE_MAX_AGE_DEF     20u
+#define NM_BRIDGE_MAX_AGE_DEF_SYS (NM_BRIDGE_MAX_AGE_DEF * 100u)
+#define NM_BRIDGE_MAX_AGE_MAX     40u
+
+/* IEEE 802.1D-1998 Table 7.4 */
+#define NM_BRIDGE_AGEING_TIME_MIN     0u
+#define NM_BRIDGE_AGEING_TIME_DEF     300u
+#define NM_BRIDGE_AGEING_TIME_DEF_SYS (NM_BRIDGE_AGEING_TIME_DEF * 100u)
+#define NM_BRIDGE_AGEING_TIME_MAX     1000000u
+
+#define NM_BRIDGE_PORT_PRIORITY_MIN 0u
+#define NM_BRIDGE_PORT_PRIORITY_DEF 32u
+#define NM_BRIDGE_PORT_PRIORITY_MAX 63u
+
+#define NM_BRIDGE_PORT_PATH_COST_MIN 0u
+#define NM_BRIDGE_PORT_PATH_COST_DEF 100u
+#define NM_BRIDGE_PORT_PATH_COST_MAX 65535u
+
+#define NM_BRIDGE_MULTICAST_HASH_MAX_MIN 1u
+#define NM_BRIDGE_MULTICAST_HASH_MAX_DEF 4096u
+#define NM_BRIDGE_MULTICAST_HASH_MAX_MAX ((guint) G_MAXUINT32)
+
+#define NM_BRIDGE_STP_DEF TRUE
+
+#define NM_BRIDGE_GROUP_ADDRESS_DEF_BIN 0x01, 0x80, 0xC2, 0x00, 0x00, 0x00
+#define NM_BRIDGE_GROUP_ADDRESS_DEF_STR "01:80:C2:00:00:00"
+
+#define NM_BRIDGE_PRIORITY_MIN 0u
+#define NM_BRIDGE_PRIORITY_DEF 0x8000u
+#define NM_BRIDGE_PRIORITY_MAX ((guint) G_MAXUINT16)
+
+#define NM_BRIDGE_MULTICAST_LAST_MEMBER_COUNT_MIN 0u
+#define NM_BRIDGE_MULTICAST_LAST_MEMBER_COUNT_DEF 2u
+#define NM_BRIDGE_MULTICAST_LAST_MEMBER_COUNT_MAX ((guint) G_MAXUINT32)
+
+#define NM_BRIDGE_MULTICAST_LAST_MEMBER_INTERVAL_MIN ((guint64) 0)
+#define NM_BRIDGE_MULTICAST_LAST_MEMBER_INTERVAL_DEF ((guint64) 100)
+#define NM_BRIDGE_MULTICAST_LAST_MEMBER_INTERVAL_MAX G_MAXUINT64
+
+#define NM_BRIDGE_MULTICAST_MEMBERSHIP_INTERVAL_MIN ((guint64) 0)
+#define NM_BRIDGE_MULTICAST_MEMBERSHIP_INTERVAL_DEF ((guint64) 26000)
+#define NM_BRIDGE_MULTICAST_MEMBERSHIP_INTERVAL_MAX G_MAXUINT64
+
+#define NM_BRIDGE_MULTICAST_QUERIER_INTERVAL_MIN ((guint64) 0)
+#define NM_BRIDGE_MULTICAST_QUERIER_INTERVAL_DEF ((guint64) 25500)
+#define NM_BRIDGE_MULTICAST_QUERIER_INTERVAL_MAX G_MAXUINT64
+
+#define NM_BRIDGE_MULTICAST_QUERIER_DEF FALSE
+
+#define NM_BRIDGE_MULTICAST_QUERY_INTERVAL_MIN ((guint64) 0)
+#define NM_BRIDGE_MULTICAST_QUERY_INTERVAL_DEF ((guint64) 12500)
+#define NM_BRIDGE_MULTICAST_QUERY_INTERVAL_MAX G_MAXUINT64
+
+#define NM_BRIDGE_MULTICAST_QUERY_RESPONSE_INTERVAL_MIN ((guint64) 0)
+#define NM_BRIDGE_MULTICAST_QUERY_RESPONSE_INTERVAL_DEF ((guint64) 1000)
+#define NM_BRIDGE_MULTICAST_QUERY_RESPONSE_INTERVAL_MAX G_MAXUINT64
+
+#define NM_BRIDGE_MULTICAST_QUERY_USE_IFADDR_DEF FALSE
+
+#define NM_BRIDGE_MULTICAST_SNOOPING_DEF TRUE
+
+#define NM_BRIDGE_MULTICAST_STARTUP_QUERY_COUNT_MIN 0u
+#define NM_BRIDGE_MULTICAST_STARTUP_QUERY_COUNT_DEF 2u
+#define NM_BRIDGE_MULTICAST_STARTUP_QUERY_COUNT_MAX ((guint) G_MAXUINT32)
+
+#define NM_BRIDGE_MULTICAST_STARTUP_QUERY_INTERVAL_MIN ((guint64) 0)
+#define NM_BRIDGE_MULTICAST_STARTUP_QUERY_INTERVAL_DEF ((guint64) 3125)
+#define NM_BRIDGE_MULTICAST_STARTUP_QUERY_INTERVAL_MAX G_MAXUINT64
+
+#define NM_BRIDGE_VLAN_STATS_ENABLED_DEF FALSE
+
+#define NM_BRIDGE_VLAN_DEFAULT_PVID_DEF 1u
+
+/*****************************************************************************/
+
+typedef struct {
+    guint32 from;
+    guint32 to;
+} NMVlanQosMapping;
+
+#define _NM_IP_TUNNEL_FLAG_ALL_IP6TNL                                              \
+    (NM_IP_TUNNEL_FLAG_IP6_IGN_ENCAP_LIMIT | NM_IP_TUNNEL_FLAG_IP6_USE_ORIG_TCLASS \
+     | NM_IP_TUNNEL_FLAG_IP6_USE_ORIG_FLOWLABEL | NM_IP_TUNNEL_FLAG_IP6_MIP6_DEV   \
+     | NM_IP_TUNNEL_FLAG_IP6_RCV_DSCP_COPY | NM_IP_TUNNEL_FLAG_IP6_USE_ORIG_FWMARK)
+
+/****************************************************************************/
+
+#define NM_IW_ESSID_MAX_SIZE 32
+
+/****************************************************************************/
+
+#endif /* __NM_LIBNM_BASE_H__ */
diff --git a/src/libnm-base/nm-config-base.h b/src/libnm-base/nm-config-base.h
new file mode 100644
index 00000000..c413e867
--- /dev/null
+++ b/src/libnm-base/nm-config-base.h
@@ -0,0 +1,88 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#ifndef __NM_CONFIG_BASE_H__
+#define __NM_CONFIG_BASE_H__
+
+#define NM_CONFIG_KEYFILE_LIST_SEPARATOR ','
+
+#define NM_CONFIG_KEYFILE_GROUPPREFIX_INTERN                 ".intern."
+#define NM_CONFIG_KEYFILE_GROUPPREFIX_CONNECTION             "connection"
+#define NM_CONFIG_KEYFILE_GROUPPREFIX_DEVICE                 "device"
+#define NM_CONFIG_KEYFILE_GROUPPREFIX_GLOBAL_DNS_DOMAIN      "global-dns-domain-"
+#define NM_CONFIG_KEYFILE_GROUPPREFIX_TEST_APPEND_STRINGLIST ".test-append-stringlist"
+
+#define NM_CONFIG_KEYFILE_GROUP_MAIN         "main"
+#define NM_CONFIG_KEYFILE_GROUP_LOGGING      "logging"
+#define NM_CONFIG_KEYFILE_GROUP_CONNECTIVITY "connectivity"
+#define NM_CONFIG_KEYFILE_GROUP_KEYFILE      "keyfile"
+#define NM_CONFIG_KEYFILE_GROUP_IFUPDOWN     "ifupdown"
+#define NM_CONFIG_KEYFILE_GROUP_GLOBAL_DNS   "global-dns"
+#define NM_CONFIG_KEYFILE_GROUP_CONFIG       ".config"
+
+#define NM_CONFIG_KEYFILE_KEY_MAIN_ASSUME_IPV6LL_ONLY          "assume-ipv6ll-only"
+#define NM_CONFIG_KEYFILE_KEY_MAIN_AUTH_POLKIT                 "auth-polkit"
+#define NM_CONFIG_KEYFILE_KEY_MAIN_AUTOCONNECT_RETRIES_DEFAULT "autoconnect-retries-default"
+#define NM_CONFIG_KEYFILE_KEY_MAIN_CONFIGURE_AND_QUIT          "configure-and-quit"
+#define NM_CONFIG_KEYFILE_KEY_MAIN_DEBUG                       "debug"
+#define NM_CONFIG_KEYFILE_KEY_MAIN_DHCP                        "dhcp"
+#define NM_CONFIG_KEYFILE_KEY_MAIN_DNS                         "dns"
+#define NM_CONFIG_KEYFILE_KEY_MAIN_FIREWALL_BACKEND            "firewall-backend"
+#define NM_CONFIG_KEYFILE_KEY_MAIN_HOSTNAME_MODE               "hostname-mode"
+#define NM_CONFIG_KEYFILE_KEY_MAIN_IGNORE_CARRIER              "ignore-carrier"
+#define NM_CONFIG_KEYFILE_KEY_MAIN_IWD_CONFIG_PATH             "iwd-config-path"
+#define NM_CONFIG_KEYFILE_KEY_MAIN_MONITOR_CONNECTION_FILES    "monitor-connection-files"
+#define NM_CONFIG_KEYFILE_KEY_MAIN_NO_AUTO_DEFAULT             "no-auto-default"
+#define NM_CONFIG_KEYFILE_KEY_MAIN_PLUGINS                     "plugins"
+#define NM_CONFIG_KEYFILE_KEY_MAIN_RC_MANAGER                  "rc-manager"
+#define NM_CONFIG_KEYFILE_KEY_MAIN_SLAVES_ORDER                "slaves-order"
+#define NM_CONFIG_KEYFILE_KEY_MAIN_SYSTEMD_RESOLVED            "systemd-resolved"
+
+#define NM_CONFIG_KEYFILE_KEY_LOGGING_AUDIT   "audit"
+#define NM_CONFIG_KEYFILE_KEY_LOGGING_BACKEND "backend"
+#define NM_CONFIG_KEYFILE_KEY_LOGGING_DOMAINS "domains"
+#define NM_CONFIG_KEYFILE_KEY_LOGGING_LEVEL   "level"
+
+#define NM_CONFIG_KEYFILE_KEY_CONNECTIVITY_ENABLED  "enabled"
+#define NM_CONFIG_KEYFILE_KEY_CONNECTIVITY_INTERVAL "interval"
+#define NM_CONFIG_KEYFILE_KEY_CONNECTIVITY_RESPONSE "response"
+#define NM_CONFIG_KEYFILE_KEY_CONNECTIVITY_URI      "uri"
+
+#define NM_CONFIG_KEYFILE_KEY_KEYFILE_PATH              "path"
+#define NM_CONFIG_KEYFILE_KEY_KEYFILE_UNMANAGED_DEVICES "unmanaged-devices"
+#define NM_CONFIG_KEYFILE_KEY_KEYFILE_HOSTNAME          "hostname"
+
+#define NM_CONFIG_KEYFILE_KEY_IFUPDOWN_MANAGED "managed"
+
+#define NM_CONFIG_KEYFILE_KEY_GLOBAL_DNS_SEARCHES "searches"
+#define NM_CONFIG_KEYFILE_KEY_GLOBAL_DNS_OPTIONS  "options"
+
+#define NM_CONFIG_KEYFILE_KEY_GLOBAL_DNS_DOMAIN_SERVERS "servers"
+#define NM_CONFIG_KEYFILE_KEY_GLOBAL_DNS_DOMAIN_OPTIONS "options"
+
+#define NM_CONFIG_KEYFILE_KEY_DEVICE_MANAGED                    "managed"
+#define NM_CONFIG_KEYFILE_KEY_DEVICE_IGNORE_CARRIER             "ignore-carrier"
+#define NM_CONFIG_KEYFILE_KEY_DEVICE_SRIOV_NUM_VFS              "sriov-num-vfs"
+#define NM_CONFIG_KEYFILE_KEY_DEVICE_KEEP_CONFIGURATION         "keep-configuration"
+#define NM_CONFIG_KEYFILE_KEY_DEVICE_ALLOWED_CONNECTIONS        "allowed-connections"
+#define NM_CONFIG_KEYFILE_KEY_DEVICE_WIFI_BACKEND               "wifi.backend"
+#define NM_CONFIG_KEYFILE_KEY_DEVICE_WIFI_SCAN_RAND_MAC_ADDRESS "wifi.scan-rand-mac-address"
+#define NM_CONFIG_KEYFILE_KEY_DEVICE_WIFI_SCAN_GENERATE_MAC_ADDRESS_MASK \
+    "wifi.scan-generate-mac-address-mask"
+#define NM_CONFIG_KEYFILE_KEY_DEVICE_CARRIER_WAIT_TIMEOUT "carrier-wait-timeout"
+#define NM_CONFIG_KEYFILE_KEY_DEVICE_WIFI_IWD_AUTOCONNECT "wifi.iwd.autoconnect"
+
+#define NM_CONFIG_KEYFILE_KEY_MATCH_DEVICE "match-device"
+#define NM_CONFIG_KEYFILE_KEY_STOP_MATCH   "stop-match"
+
+#define NM_CONFIG_KEYFILE_KEY_ATOMIC_SECTION_WAS ".was"   /* check-config-options skip */
+#define NM_CONFIG_KEYFILE_KEY_CONFIG_ENABLE      "enable" /* check-config-options skip */
+
+#define NM_CONFIG_KEYFILE_KEYPREFIX_WAS ".was."
+#define NM_CONFIG_KEYFILE_KEYPREFIX_SET ".set."
+
+#define NM_CONFIG_KEYFILE_GROUP_INTERN_GLOBAL_DNS \
+    NM_CONFIG_KEYFILE_GROUPPREFIX_INTERN NM_CONFIG_KEYFILE_GROUP_GLOBAL_DNS
+#define NM_CONFIG_KEYFILE_GROUPPREFIX_INTERN_GLOBAL_DNS_DOMAIN \
+    NM_CONFIG_KEYFILE_GROUPPREFIX_INTERN NM_CONFIG_KEYFILE_GROUPPREFIX_GLOBAL_DNS_DOMAIN
+
+#endif /* __NM_CONFIG_BASE_H__ */
diff --git a/src/libnm-base/nm-ethtool-base.c b/src/libnm-base/nm-ethtool-base.c
new file mode 100644
index 00000000..c253ab94
--- /dev/null
+++ b/src/libnm-base/nm-ethtool-base.c
@@ -0,0 +1,296 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+/*
+ * Copyright (C) 2018 Red Hat, Inc.
+ */
+
+#include "libnm-glib-aux/nm-default-glib-i18n-lib.h"
+
+#include "nm-ethtool-base.h"
+
+#include "nm-ethtool-utils-base.h"
+
+/*****************************************************************************/
+
+#define ETHT_DATA(xname)                                \
+    [NM_ETHTOOL_ID_##xname] = (&((const NMEthtoolData){ \
+        .optname = NM_ETHTOOL_OPTNAME_##xname,          \
+        .id      = NM_ETHTOOL_ID_##xname,               \
+    }))
+
+const NMEthtoolData *const nm_ethtool_data[_NM_ETHTOOL_ID_NUM + 1] = {
+    /* indexed by NMEthtoolID */
+    ETHT_DATA(COALESCE_ADAPTIVE_RX),
+    ETHT_DATA(COALESCE_ADAPTIVE_TX),
+    ETHT_DATA(COALESCE_PKT_RATE_HIGH),
+    ETHT_DATA(COALESCE_PKT_RATE_LOW),
+    ETHT_DATA(COALESCE_RX_FRAMES),
+    ETHT_DATA(COALESCE_RX_FRAMES_HIGH),
+    ETHT_DATA(COALESCE_RX_FRAMES_IRQ),
+    ETHT_DATA(COALESCE_RX_FRAMES_LOW),
+    ETHT_DATA(COALESCE_RX_USECS),
+    ETHT_DATA(COALESCE_RX_USECS_HIGH),
+    ETHT_DATA(COALESCE_RX_USECS_IRQ),
+    ETHT_DATA(COALESCE_RX_USECS_LOW),
+    ETHT_DATA(COALESCE_SAMPLE_INTERVAL),
+    ETHT_DATA(COALESCE_STATS_BLOCK_USECS),
+    ETHT_DATA(COALESCE_TX_FRAMES),
+    ETHT_DATA(COALESCE_TX_FRAMES_HIGH),
+    ETHT_DATA(COALESCE_TX_FRAMES_IRQ),
+    ETHT_DATA(COALESCE_TX_FRAMES_LOW),
+    ETHT_DATA(COALESCE_TX_USECS),
+    ETHT_DATA(COALESCE_TX_USECS_HIGH),
+    ETHT_DATA(COALESCE_TX_USECS_IRQ),
+    ETHT_DATA(COALESCE_TX_USECS_LOW),
+    ETHT_DATA(FEATURE_ESP_HW_OFFLOAD),
+    ETHT_DATA(FEATURE_ESP_TX_CSUM_HW_OFFLOAD),
+    ETHT_DATA(FEATURE_FCOE_MTU),
+    ETHT_DATA(FEATURE_GRO),
+    ETHT_DATA(FEATURE_GSO),
+    ETHT_DATA(FEATURE_HIGHDMA),
+    ETHT_DATA(FEATURE_HW_TC_OFFLOAD),
+    ETHT_DATA(FEATURE_L2_FWD_OFFLOAD),
+    ETHT_DATA(FEATURE_LOOPBACK),
+    ETHT_DATA(FEATURE_LRO),
+    ETHT_DATA(FEATURE_MACSEC_HW_OFFLOAD),
+    ETHT_DATA(FEATURE_NTUPLE),
+    ETHT_DATA(FEATURE_RX),
+    ETHT_DATA(FEATURE_RXHASH),
+    ETHT_DATA(FEATURE_RXVLAN),
+    ETHT_DATA(FEATURE_RX_ALL),
+    ETHT_DATA(FEATURE_RX_FCS),
+    ETHT_DATA(FEATURE_RX_GRO_HW),
+    ETHT_DATA(FEATURE_RX_GRO_LIST),
+    ETHT_DATA(FEATURE_RX_UDP_GRO_FORWARDING),
+    ETHT_DATA(FEATURE_RX_UDP_TUNNEL_PORT_OFFLOAD),
+    ETHT_DATA(FEATURE_RX_VLAN_FILTER),
+    ETHT_DATA(FEATURE_RX_VLAN_STAG_FILTER),
+    ETHT_DATA(FEATURE_RX_VLAN_STAG_HW_PARSE),
+    ETHT_DATA(FEATURE_SG),
+    ETHT_DATA(FEATURE_TLS_HW_RECORD),
+    ETHT_DATA(FEATURE_TLS_HW_RX_OFFLOAD),
+    ETHT_DATA(FEATURE_TLS_HW_TX_OFFLOAD),
+    ETHT_DATA(FEATURE_TSO),
+    ETHT_DATA(FEATURE_TX),
+    ETHT_DATA(FEATURE_TXVLAN),
+    ETHT_DATA(FEATURE_TX_CHECKSUM_FCOE_CRC),
+    ETHT_DATA(FEATURE_TX_CHECKSUM_IPV4),
+    ETHT_DATA(FEATURE_TX_CHECKSUM_IPV6),
+    ETHT_DATA(FEATURE_TX_CHECKSUM_IP_GENERIC),
+    ETHT_DATA(FEATURE_TX_CHECKSUM_SCTP),
+    ETHT_DATA(FEATURE_TX_ESP_SEGMENTATION),
+    ETHT_DATA(FEATURE_TX_FCOE_SEGMENTATION),
+    ETHT_DATA(FEATURE_TX_GRE_CSUM_SEGMENTATION),
+    ETHT_DATA(FEATURE_TX_GRE_SEGMENTATION),
+    ETHT_DATA(FEATURE_TX_GSO_LIST),
+    ETHT_DATA(FEATURE_TX_GSO_PARTIAL),
+    ETHT_DATA(FEATURE_TX_GSO_ROBUST),
+    ETHT_DATA(FEATURE_TX_IPXIP4_SEGMENTATION),
+    ETHT_DATA(FEATURE_TX_IPXIP6_SEGMENTATION),
+    ETHT_DATA(FEATURE_TX_NOCACHE_COPY),
+    ETHT_DATA(FEATURE_TX_SCATTER_GATHER),
+    ETHT_DATA(FEATURE_TX_SCATTER_GATHER_FRAGLIST),
+    ETHT_DATA(FEATURE_TX_SCTP_SEGMENTATION),
+    ETHT_DATA(FEATURE_TX_TCP6_SEGMENTATION),
+    ETHT_DATA(FEATURE_TX_TCP_ECN_SEGMENTATION),
+    ETHT_DATA(FEATURE_TX_TCP_MANGLEID_SEGMENTATION),
+    ETHT_DATA(FEATURE_TX_TCP_SEGMENTATION),
+    ETHT_DATA(FEATURE_TX_TUNNEL_REMCSUM_SEGMENTATION),
+    ETHT_DATA(FEATURE_TX_UDP_SEGMENTATION),
+    ETHT_DATA(FEATURE_TX_UDP_TNL_CSUM_SEGMENTATION),
+    ETHT_DATA(FEATURE_TX_UDP_TNL_SEGMENTATION),
+    ETHT_DATA(FEATURE_TX_VLAN_STAG_HW_INSERT),
+    ETHT_DATA(PAUSE_AUTONEG),
+    ETHT_DATA(PAUSE_RX),
+    ETHT_DATA(PAUSE_TX),
+    ETHT_DATA(RING_RX),
+    ETHT_DATA(RING_RX_JUMBO),
+    ETHT_DATA(RING_RX_MINI),
+    ETHT_DATA(RING_TX),
+    [_NM_ETHTOOL_ID_NUM] = NULL,
+};
+
+static const guint8 _by_name[_NM_ETHTOOL_ID_NUM] = {
+    /* sorted by optname. */
+    NM_ETHTOOL_ID_COALESCE_ADAPTIVE_RX,
+    NM_ETHTOOL_ID_COALESCE_ADAPTIVE_TX,
+    NM_ETHTOOL_ID_COALESCE_PKT_RATE_HIGH,
+    NM_ETHTOOL_ID_COALESCE_PKT_RATE_LOW,
+    NM_ETHTOOL_ID_COALESCE_RX_FRAMES,
+    NM_ETHTOOL_ID_COALESCE_RX_FRAMES_HIGH,
+    NM_ETHTOOL_ID_COALESCE_RX_FRAMES_IRQ,
+    NM_ETHTOOL_ID_COALESCE_RX_FRAMES_LOW,
+    NM_ETHTOOL_ID_COALESCE_RX_USECS,
+    NM_ETHTOOL_ID_COALESCE_RX_USECS_HIGH,
+    NM_ETHTOOL_ID_COALESCE_RX_USECS_IRQ,
+    NM_ETHTOOL_ID_COALESCE_RX_USECS_LOW,
+    NM_ETHTOOL_ID_COALESCE_SAMPLE_INTERVAL,
+    NM_ETHTOOL_ID_COALESCE_STATS_BLOCK_USECS,
+    NM_ETHTOOL_ID_COALESCE_TX_FRAMES,
+    NM_ETHTOOL_ID_COALESCE_TX_FRAMES_HIGH,
+    NM_ETHTOOL_ID_COALESCE_TX_FRAMES_IRQ,
+    NM_ETHTOOL_ID_COALESCE_TX_FRAMES_LOW,
+    NM_ETHTOOL_ID_COALESCE_TX_USECS,
+    NM_ETHTOOL_ID_COALESCE_TX_USECS_HIGH,
+    NM_ETHTOOL_ID_COALESCE_TX_USECS_IRQ,
+    NM_ETHTOOL_ID_COALESCE_TX_USECS_LOW,
+    NM_ETHTOOL_ID_FEATURE_ESP_HW_OFFLOAD,
+    NM_ETHTOOL_ID_FEATURE_ESP_TX_CSUM_HW_OFFLOAD,
+    NM_ETHTOOL_ID_FEATURE_FCOE_MTU,
+    NM_ETHTOOL_ID_FEATURE_GRO,
+    NM_ETHTOOL_ID_FEATURE_GSO,
+    NM_ETHTOOL_ID_FEATURE_HIGHDMA,
+    NM_ETHTOOL_ID_FEATURE_HW_TC_OFFLOAD,
+    NM_ETHTOOL_ID_FEATURE_L2_FWD_OFFLOAD,
+    NM_ETHTOOL_ID_FEATURE_LOOPBACK,
+    NM_ETHTOOL_ID_FEATURE_LRO,
+    NM_ETHTOOL_ID_FEATURE_MACSEC_HW_OFFLOAD,
+    NM_ETHTOOL_ID_FEATURE_NTUPLE,
+    NM_ETHTOOL_ID_FEATURE_RX,
+    NM_ETHTOOL_ID_FEATURE_RX_ALL,
+    NM_ETHTOOL_ID_FEATURE_RX_FCS,
+    NM_ETHTOOL_ID_FEATURE_RX_GRO_HW,
+    NM_ETHTOOL_ID_FEATURE_RX_GRO_LIST,
+    NM_ETHTOOL_ID_FEATURE_RX_UDP_GRO_FORWARDING,
+    NM_ETHTOOL_ID_FEATURE_RX_UDP_TUNNEL_PORT_OFFLOAD,
+    NM_ETHTOOL_ID_FEATURE_RX_VLAN_FILTER,
+    NM_ETHTOOL_ID_FEATURE_RX_VLAN_STAG_FILTER,
+    NM_ETHTOOL_ID_FEATURE_RX_VLAN_STAG_HW_PARSE,
+    NM_ETHTOOL_ID_FEATURE_RXHASH,
+    NM_ETHTOOL_ID_FEATURE_RXVLAN,
+    NM_ETHTOOL_ID_FEATURE_SG,
+    NM_ETHTOOL_ID_FEATURE_TLS_HW_RECORD,
+    NM_ETHTOOL_ID_FEATURE_TLS_HW_RX_OFFLOAD,
+    NM_ETHTOOL_ID_FEATURE_TLS_HW_TX_OFFLOAD,
+    NM_ETHTOOL_ID_FEATURE_TSO,
+    NM_ETHTOOL_ID_FEATURE_TX,
+    NM_ETHTOOL_ID_FEATURE_TX_CHECKSUM_FCOE_CRC,
+    NM_ETHTOOL_ID_FEATURE_TX_CHECKSUM_IP_GENERIC,
+    NM_ETHTOOL_ID_FEATURE_TX_CHECKSUM_IPV4,
+    NM_ETHTOOL_ID_FEATURE_TX_CHECKSUM_IPV6,
+    NM_ETHTOOL_ID_FEATURE_TX_CHECKSUM_SCTP,
+    NM_ETHTOOL_ID_FEATURE_TX_ESP_SEGMENTATION,
+    NM_ETHTOOL_ID_FEATURE_TX_FCOE_SEGMENTATION,
+    NM_ETHTOOL_ID_FEATURE_TX_GRE_CSUM_SEGMENTATION,
+    NM_ETHTOOL_ID_FEATURE_TX_GRE_SEGMENTATION,
+    NM_ETHTOOL_ID_FEATURE_TX_GSO_LIST,
+    NM_ETHTOOL_ID_FEATURE_TX_GSO_PARTIAL,
+    NM_ETHTOOL_ID_FEATURE_TX_GSO_ROBUST,
+    NM_ETHTOOL_ID_FEATURE_TX_IPXIP4_SEGMENTATION,
+    NM_ETHTOOL_ID_FEATURE_TX_IPXIP6_SEGMENTATION,
+    NM_ETHTOOL_ID_FEATURE_TX_NOCACHE_COPY,
+    NM_ETHTOOL_ID_FEATURE_TX_SCATTER_GATHER,
+    NM_ETHTOOL_ID_FEATURE_TX_SCATTER_GATHER_FRAGLIST,
+    NM_ETHTOOL_ID_FEATURE_TX_SCTP_SEGMENTATION,
+    NM_ETHTOOL_ID_FEATURE_TX_TCP_ECN_SEGMENTATION,
+    NM_ETHTOOL_ID_FEATURE_TX_TCP_MANGLEID_SEGMENTATION,
+    NM_ETHTOOL_ID_FEATURE_TX_TCP_SEGMENTATION,
+    NM_ETHTOOL_ID_FEATURE_TX_TCP6_SEGMENTATION,
+    NM_ETHTOOL_ID_FEATURE_TX_TUNNEL_REMCSUM_SEGMENTATION,
+    NM_ETHTOOL_ID_FEATURE_TX_UDP_SEGMENTATION,
+    NM_ETHTOOL_ID_FEATURE_TX_UDP_TNL_CSUM_SEGMENTATION,
+    NM_ETHTOOL_ID_FEATURE_TX_UDP_TNL_SEGMENTATION,
+    NM_ETHTOOL_ID_FEATURE_TX_VLAN_STAG_HW_INSERT,
+    NM_ETHTOOL_ID_FEATURE_TXVLAN,
+    NM_ETHTOOL_ID_PAUSE_AUTONEG,
+    NM_ETHTOOL_ID_PAUSE_RX,
+    NM_ETHTOOL_ID_PAUSE_TX,
+    NM_ETHTOOL_ID_RING_RX,
+    NM_ETHTOOL_ID_RING_RX_JUMBO,
+    NM_ETHTOOL_ID_RING_RX_MINI,
+    NM_ETHTOOL_ID_RING_TX,
+};
+
+/*****************************************************************************/
+
+static void
+_ASSERT_data(void)
+{
+    int i;
+
+    if (!NM_MORE_ASSERT_ONCE(10))
+        return;
+
+    G_STATIC_ASSERT_EXPR(_NM_ETHTOOL_ID_FIRST == 0);
+    G_STATIC_ASSERT_EXPR(_NM_ETHTOOL_ID_LAST == _NM_ETHTOOL_ID_NUM - 1);
+    G_STATIC_ASSERT_EXPR(_NM_ETHTOOL_ID_NUM > 0);
+
+    nm_assert(NM_PTRARRAY_LEN(nm_ethtool_data) == _NM_ETHTOOL_ID_NUM);
+    nm_assert(G_N_ELEMENTS(_by_name) == _NM_ETHTOOL_ID_NUM);
+    nm_assert(G_N_ELEMENTS(nm_ethtool_data) == _NM_ETHTOOL_ID_NUM + 1);
+
+    for (i = 0; i < _NM_ETHTOOL_ID_NUM; i++) {
+        const NMEthtoolData *d = nm_ethtool_data[i];
+
+        nm_assert(d);
+        nm_assert(d->id == (NMEthtoolID) i);
+        nm_assert(d->optname && d->optname[0]);
+    }
+
+    for (i = 0; i < _NM_ETHTOOL_ID_NUM; i++) {
+        NMEthtoolID          id = _by_name[i];
+        const NMEthtoolData *d;
+
+        nm_assert(id >= 0);
+        nm_assert(id < _NM_ETHTOOL_ID_NUM);
+
+        d = nm_ethtool_data[id];
+        if (i > 0) {
+            /* since we assert that all optnames are sorted strictly monotonically increasing,
+             * it also follows that there are no duplicates in the _by_name.
+             * It also follows, that all names in nm_ethtool_data are unique. */
+            if (strcmp(nm_ethtool_data[_by_name[i - 1]]->optname, d->optname) >= 0) {
+                g_error("nm_ethtool_data is not sorted asciibetically: %u/%s should be after %u/%s",
+                        i - 1,
+                        nm_ethtool_data[_by_name[i - 1]]->optname,
+                        i,
+                        d->optname);
+            }
+        }
+    }
+}
+
+static int
+_by_name_cmp(gconstpointer a, gconstpointer b, gpointer user_data)
+{
+    const guint8 *p_id    = a;
+    const char *  optname = b;
+
+    nm_assert(p_id && p_id >= _by_name && p_id <= &_by_name[_NM_ETHTOOL_ID_NUM]);
+    nm_assert(*p_id < _NM_ETHTOOL_ID_NUM);
+
+    return strcmp(nm_ethtool_data[*p_id]->optname, optname);
+}
+
+const NMEthtoolData *
+nm_ethtool_data_get_by_optname(const char *optname)
+{
+    gssize idx;
+
+    if (!optname)
+        return NULL;
+
+    _ASSERT_data();
+
+    idx = nm_utils_array_find_binary_search((gconstpointer *) _by_name,
+                                            sizeof(_by_name[0]),
+                                            _NM_ETHTOOL_ID_NUM,
+                                            optname,
+                                            _by_name_cmp,
+                                            NULL);
+    return (idx < 0) ? NULL : nm_ethtool_data[_by_name[idx]];
+}
+
+NMEthtoolType
+nm_ethtool_id_to_type(NMEthtoolID id)
+{
+    if (nm_ethtool_id_is_coalesce(id))
+        return NM_ETHTOOL_TYPE_COALESCE;
+    if (nm_ethtool_id_is_feature(id))
+        return NM_ETHTOOL_TYPE_FEATURE;
+    if (nm_ethtool_id_is_ring(id))
+        return NM_ETHTOOL_TYPE_RING;
+    if (nm_ethtool_id_is_pause(id))
+        return NM_ETHTOOL_TYPE_PAUSE;
+
+    return NM_ETHTOOL_TYPE_UNKNOWN;
+}
diff --git a/src/libnm-base/nm-ethtool-base.h b/src/libnm-base/nm-ethtool-base.h
new file mode 100644
index 00000000..abedcafe
--- /dev/null
+++ b/src/libnm-base/nm-ethtool-base.h
@@ -0,0 +1,37 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+/*
+ * Copyright (C) 2018 Red Hat, Inc.
+ */
+
+#ifndef __NM_ETHTOOL_BASE_H__
+#define __NM_ETHTOOL_BASE_H__
+
+#include "libnm-base/nm-base.h"
+
+/*****************************************************************************/
+
+typedef struct {
+    const char *optname;
+    NMEthtoolID id;
+} NMEthtoolData;
+
+extern const NMEthtoolData *const nm_ethtool_data[_NM_ETHTOOL_ID_NUM + 1];
+
+const NMEthtoolData *nm_ethtool_data_get_by_optname(const char *optname);
+
+NMEthtoolType nm_ethtool_id_to_type(NMEthtoolID id);
+
+/****************************************************************************/
+
+static inline NMEthtoolID
+nm_ethtool_id_get_by_name(const char *optname)
+{
+    const NMEthtoolData *d;
+
+    d = nm_ethtool_data_get_by_optname(optname);
+    return d ? d->id : NM_ETHTOOL_ID_UNKNOWN;
+}
+
+/****************************************************************************/
+
+#endif /* __NM_ETHTOOL_BASE_H__ */
diff --git a/src/libnm-base/nm-ethtool-utils-base.h b/src/libnm-base/nm-ethtool-utils-base.h
new file mode 100644
index 00000000..3656ed3f
--- /dev/null
+++ b/src/libnm-base/nm-ethtool-utils-base.h
@@ -0,0 +1,111 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+/*
+ * Copyright (C) 2018 Red Hat, Inc.
+ */
+
+#ifndef __NM_ETHTOOL_UTILS_H__ /* lgtm[cpp/duplicate-include-guard] */
+#define __NM_ETHTOOL_UTILS_H__
+
+G_BEGIN_DECLS
+
+/*****************************************************************************/
+
+#define NM_ETHTOOL_OPTNAME_FEATURE_ESP_HW_OFFLOAD             "feature-esp-hw-offload"
+#define NM_ETHTOOL_OPTNAME_FEATURE_ESP_TX_CSUM_HW_OFFLOAD     "feature-esp-tx-csum-hw-offload"
+#define NM_ETHTOOL_OPTNAME_FEATURE_FCOE_MTU                   "feature-fcoe-mtu"
+#define NM_ETHTOOL_OPTNAME_FEATURE_GRO                        "feature-gro"
+#define NM_ETHTOOL_OPTNAME_FEATURE_GSO                        "feature-gso"
+#define NM_ETHTOOL_OPTNAME_FEATURE_HIGHDMA                    "feature-highdma"
+#define NM_ETHTOOL_OPTNAME_FEATURE_HW_TC_OFFLOAD              "feature-hw-tc-offload"
+#define NM_ETHTOOL_OPTNAME_FEATURE_L2_FWD_OFFLOAD             "feature-l2-fwd-offload"
+#define NM_ETHTOOL_OPTNAME_FEATURE_LOOPBACK                   "feature-loopback"
+#define NM_ETHTOOL_OPTNAME_FEATURE_LRO                        "feature-lro"
+#define NM_ETHTOOL_OPTNAME_FEATURE_MACSEC_HW_OFFLOAD          "feature-macsec-hw-offload"
+#define NM_ETHTOOL_OPTNAME_FEATURE_NTUPLE                     "feature-ntuple"
+#define NM_ETHTOOL_OPTNAME_FEATURE_RX                         "feature-rx"
+#define NM_ETHTOOL_OPTNAME_FEATURE_RXHASH                     "feature-rxhash"
+#define NM_ETHTOOL_OPTNAME_FEATURE_RXVLAN                     "feature-rxvlan"
+#define NM_ETHTOOL_OPTNAME_FEATURE_RX_ALL                     "feature-rx-all"
+#define NM_ETHTOOL_OPTNAME_FEATURE_RX_FCS                     "feature-rx-fcs"
+#define NM_ETHTOOL_OPTNAME_FEATURE_RX_GRO_HW                  "feature-rx-gro-hw"
+#define NM_ETHTOOL_OPTNAME_FEATURE_RX_GRO_LIST                "feature-rx-gro-list"
+#define NM_ETHTOOL_OPTNAME_FEATURE_RX_UDP_GRO_FORWARDING      "feature-rx-udp-gro-forwarding"
+#define NM_ETHTOOL_OPTNAME_FEATURE_RX_UDP_TUNNEL_PORT_OFFLOAD "feature-rx-udp_tunnel-port-offload"
+#define NM_ETHTOOL_OPTNAME_FEATURE_RX_VLAN_FILTER             "feature-rx-vlan-filter"
+#define NM_ETHTOOL_OPTNAME_FEATURE_RX_VLAN_STAG_FILTER        "feature-rx-vlan-stag-filter"
+#define NM_ETHTOOL_OPTNAME_FEATURE_RX_VLAN_STAG_HW_PARSE      "feature-rx-vlan-stag-hw-parse"
+#define NM_ETHTOOL_OPTNAME_FEATURE_SG                         "feature-sg"
+#define NM_ETHTOOL_OPTNAME_FEATURE_TLS_HW_RECORD              "feature-tls-hw-record"
+#define NM_ETHTOOL_OPTNAME_FEATURE_TLS_HW_RX_OFFLOAD          "feature-tls-hw-rx-offload"
+#define NM_ETHTOOL_OPTNAME_FEATURE_TLS_HW_TX_OFFLOAD          "feature-tls-hw-tx-offload"
+#define NM_ETHTOOL_OPTNAME_FEATURE_TSO                        "feature-tso"
+#define NM_ETHTOOL_OPTNAME_FEATURE_TX                         "feature-tx"
+#define NM_ETHTOOL_OPTNAME_FEATURE_TXVLAN                     "feature-txvlan"
+#define NM_ETHTOOL_OPTNAME_FEATURE_TX_CHECKSUM_FCOE_CRC       "feature-tx-checksum-fcoe-crc"
+#define NM_ETHTOOL_OPTNAME_FEATURE_TX_CHECKSUM_IPV4           "feature-tx-checksum-ipv4"
+#define NM_ETHTOOL_OPTNAME_FEATURE_TX_CHECKSUM_IPV6           "feature-tx-checksum-ipv6"
+#define NM_ETHTOOL_OPTNAME_FEATURE_TX_CHECKSUM_IP_GENERIC     "feature-tx-checksum-ip-generic"
+#define NM_ETHTOOL_OPTNAME_FEATURE_TX_CHECKSUM_SCTP           "feature-tx-checksum-sctp"
+#define NM_ETHTOOL_OPTNAME_FEATURE_TX_ESP_SEGMENTATION        "feature-tx-esp-segmentation"
+#define NM_ETHTOOL_OPTNAME_FEATURE_TX_FCOE_SEGMENTATION       "feature-tx-fcoe-segmentation"
+#define NM_ETHTOOL_OPTNAME_FEATURE_TX_GRE_CSUM_SEGMENTATION   "feature-tx-gre-csum-segmentation"
+#define NM_ETHTOOL_OPTNAME_FEATURE_TX_GRE_SEGMENTATION        "feature-tx-gre-segmentation"
+#define NM_ETHTOOL_OPTNAME_FEATURE_TX_GSO_LIST                "feature-tx-gso-list"
+#define NM_ETHTOOL_OPTNAME_FEATURE_TX_GSO_PARTIAL             "feature-tx-gso-partial"
+#define NM_ETHTOOL_OPTNAME_FEATURE_TX_GSO_ROBUST              "feature-tx-gso-robust"
+#define NM_ETHTOOL_OPTNAME_FEATURE_TX_IPXIP4_SEGMENTATION     "feature-tx-ipxip4-segmentation"
+#define NM_ETHTOOL_OPTNAME_FEATURE_TX_IPXIP6_SEGMENTATION     "feature-tx-ipxip6-segmentation"
+#define NM_ETHTOOL_OPTNAME_FEATURE_TX_NOCACHE_COPY            "feature-tx-nocache-copy"
+#define NM_ETHTOOL_OPTNAME_FEATURE_TX_SCATTER_GATHER          "feature-tx-scatter-gather"
+#define NM_ETHTOOL_OPTNAME_FEATURE_TX_SCATTER_GATHER_FRAGLIST "feature-tx-scatter-gather-fraglist"
+#define NM_ETHTOOL_OPTNAME_FEATURE_TX_SCTP_SEGMENTATION       "feature-tx-sctp-segmentation"
+#define NM_ETHTOOL_OPTNAME_FEATURE_TX_TCP6_SEGMENTATION       "feature-tx-tcp6-segmentation"
+#define NM_ETHTOOL_OPTNAME_FEATURE_TX_TCP_ECN_SEGMENTATION    "feature-tx-tcp-ecn-segmentation"
+#define NM_ETHTOOL_OPTNAME_FEATURE_TX_TCP_MANGLEID_SEGMENTATION \
+    "feature-tx-tcp-mangleid-segmentation"
+#define NM_ETHTOOL_OPTNAME_FEATURE_TX_TCP_SEGMENTATION "feature-tx-tcp-segmentation"
+#define NM_ETHTOOL_OPTNAME_FEATURE_TX_TUNNEL_REMCSUM_SEGMENTATION \
+    "feature-tx-tunnel-remcsum-segmentation"
+#define NM_ETHTOOL_OPTNAME_FEATURE_TX_UDP_SEGMENTATION "feature-tx-udp-segmentation"
+#define NM_ETHTOOL_OPTNAME_FEATURE_TX_UDP_TNL_CSUM_SEGMENTATION \
+    "feature-tx-udp_tnl-csum-segmentation"
+#define NM_ETHTOOL_OPTNAME_FEATURE_TX_UDP_TNL_SEGMENTATION "feature-tx-udp_tnl-segmentation"
+#define NM_ETHTOOL_OPTNAME_FEATURE_TX_VLAN_STAG_HW_INSERT  "feature-tx-vlan-stag-hw-insert"
+
+#define NM_ETHTOOL_OPTNAME_COALESCE_ADAPTIVE_RX       "coalesce-adaptive-rx"
+#define NM_ETHTOOL_OPTNAME_COALESCE_ADAPTIVE_TX       "coalesce-adaptive-tx"
+#define NM_ETHTOOL_OPTNAME_COALESCE_PKT_RATE_HIGH     "coalesce-pkt-rate-high"
+#define NM_ETHTOOL_OPTNAME_COALESCE_PKT_RATE_LOW      "coalesce-pkt-rate-low"
+#define NM_ETHTOOL_OPTNAME_COALESCE_RX_FRAMES         "coalesce-rx-frames"
+#define NM_ETHTOOL_OPTNAME_COALESCE_RX_FRAMES_HIGH    "coalesce-rx-frames-high"
+#define NM_ETHTOOL_OPTNAME_COALESCE_RX_FRAMES_IRQ     "coalesce-rx-frames-irq"
+#define NM_ETHTOOL_OPTNAME_COALESCE_RX_FRAMES_LOW     "coalesce-rx-frames-low"
+#define NM_ETHTOOL_OPTNAME_COALESCE_RX_USECS          "coalesce-rx-usecs"
+#define NM_ETHTOOL_OPTNAME_COALESCE_RX_USECS_HIGH     "coalesce-rx-usecs-high"
+#define NM_ETHTOOL_OPTNAME_COALESCE_RX_USECS_IRQ      "coalesce-rx-usecs-irq"
+#define NM_ETHTOOL_OPTNAME_COALESCE_RX_USECS_LOW      "coalesce-rx-usecs-low"
+#define NM_ETHTOOL_OPTNAME_COALESCE_SAMPLE_INTERVAL   "coalesce-sample-interval"
+#define NM_ETHTOOL_OPTNAME_COALESCE_STATS_BLOCK_USECS "coalesce-stats-block-usecs"
+#define NM_ETHTOOL_OPTNAME_COALESCE_TX_FRAMES         "coalesce-tx-frames"
+#define NM_ETHTOOL_OPTNAME_COALESCE_TX_FRAMES_HIGH    "coalesce-tx-frames-high"
+#define NM_ETHTOOL_OPTNAME_COALESCE_TX_FRAMES_IRQ     "coalesce-tx-frames-irq"
+#define NM_ETHTOOL_OPTNAME_COALESCE_TX_FRAMES_LOW     "coalesce-tx-frames-low"
+#define NM_ETHTOOL_OPTNAME_COALESCE_TX_USECS          "coalesce-tx-usecs"
+#define NM_ETHTOOL_OPTNAME_COALESCE_TX_USECS_HIGH     "coalesce-tx-usecs-high"
+#define NM_ETHTOOL_OPTNAME_COALESCE_TX_USECS_IRQ      "coalesce-tx-usecs-irq"
+#define NM_ETHTOOL_OPTNAME_COALESCE_TX_USECS_LOW      "coalesce-tx-usecs-low"
+
+#define NM_ETHTOOL_OPTNAME_RING_RX       "ring-rx"
+#define NM_ETHTOOL_OPTNAME_RING_RX_JUMBO "ring-rx-jumbo"
+#define NM_ETHTOOL_OPTNAME_RING_RX_MINI  "ring-rx-mini"
+#define NM_ETHTOOL_OPTNAME_RING_TX       "ring-tx"
+
+#define NM_ETHTOOL_OPTNAME_PAUSE_AUTONEG "pause-autoneg"
+#define NM_ETHTOOL_OPTNAME_PAUSE_RX      "pause-rx"
+#define NM_ETHTOOL_OPTNAME_PAUSE_TX      "pause-tx"
+
+/*****************************************************************************/
+
+G_END_DECLS
+
+#endif /* __NM_ETHTOOL_UTILS_H__ */
diff --git a/src/libnm-base/nm-net-aux.c b/src/libnm-base/nm-net-aux.c
new file mode 100644
index 00000000..0b6c2382
--- /dev/null
+++ b/src/libnm-base/nm-net-aux.c
@@ -0,0 +1,79 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include "libnm-glib-aux/nm-default-glib-i18n-lib.h"
+
+#include "nm-net-aux.h"
+
+#include <linux/rtnetlink.h>
+#include <linux/fib_rules.h>
+
+/*****************************************************************************/
+
+G_STATIC_ASSERT((int) FR_ACT_UNSPEC == RTN_UNSPEC);
+G_STATIC_ASSERT((int) FR_ACT_TO_TBL == RTN_UNICAST);
+G_STATIC_ASSERT((int) FR_ACT_GOTO == RTN_LOCAL);
+G_STATIC_ASSERT((int) FR_ACT_NOP == RTN_BROADCAST);
+G_STATIC_ASSERT((int) FR_ACT_RES3 == RTN_ANYCAST);
+G_STATIC_ASSERT((int) FR_ACT_RES4 == RTN_MULTICAST);
+G_STATIC_ASSERT((int) FR_ACT_BLACKHOLE == RTN_BLACKHOLE);
+G_STATIC_ASSERT((int) FR_ACT_UNREACHABLE == RTN_UNREACHABLE);
+G_STATIC_ASSERT((int) FR_ACT_PROHIBIT == RTN_PROHIBIT);
+
+/* see iproute2's rtnl_rtntype_a2n() */
+NM_UTILS_STRING_TABLE_LOOKUP_DEFINE(
+    nm_net_aux_rtnl_rtntype_a2n,
+    int,
+    { nm_assert(name); },
+    {
+        NM_AUTO_PROTECT_ERRNO(errsv);
+        return _nm_utils_ascii_str_to_int64(name, 0, 0, 255, -1);
+    },
+    {"anycast", RTN_ANYCAST},
+    {"blackhole", RTN_BLACKHOLE},
+    {"brd", RTN_BROADCAST},
+    {"broadcast", RTN_BROADCAST},
+    {"local", RTN_LOCAL},
+    {"multicast", RTN_MULTICAST},
+    {"nat", RTN_NAT},
+    {"prohibit", RTN_PROHIBIT},
+    {"throw", RTN_THROW},
+    {"unicast", RTN_UNICAST},
+    {"unreachable", RTN_UNREACHABLE},
+    {"xresolve", RTN_XRESOLVE}, );
+
+const char *
+nm_net_aux_rtnl_rtntype_n2a(guint8 v)
+{
+    /* see iproute2's rtnl_rtntype_n2a(). */
+
+    switch (v) {
+    case RTN_UNSPEC:
+        return "none";
+    case RTN_UNICAST:
+        return "unicast";
+    case RTN_LOCAL:
+        return "local";
+    case RTN_BROADCAST:
+        return "broadcast";
+    case RTN_ANYCAST:
+        return "anycast";
+    case RTN_MULTICAST:
+        return "multicast";
+    case RTN_BLACKHOLE:
+        return "blackhole";
+    case RTN_UNREACHABLE:
+        return "unreachable";
+    case RTN_PROHIBIT:
+        return "prohibit";
+    case RTN_THROW:
+        return "throw";
+    case RTN_NAT:
+        return "nat";
+    case RTN_XRESOLVE:
+        return "xresolve";
+    }
+
+    /* unlike the iproute2 code, this returns %NULL for unknown values.
+     * You may represent this value as "%d" integer, but do it yourself. */
+    return NULL;
+}
diff --git a/src/libnm-base/nm-net-aux.h b/src/libnm-base/nm-net-aux.h
new file mode 100644
index 00000000..6c6b7a74
--- /dev/null
+++ b/src/libnm-base/nm-net-aux.h
@@ -0,0 +1,21 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#ifndef __NM_NET_AUX_H__
+#define __NM_NET_AUX_H__
+
+const char *nm_net_aux_rtnl_rtntype_n2a(guint8 v);
+int         nm_net_aux_rtnl_rtntype_a2n(const char *name);
+
+#define nm_net_aux_rtnl_rtntype_n2a_maybe_buf(v, buf)                      \
+    ({                                                                     \
+        const guint8 _v = (v);                                             \
+                                                                           \
+        /* Warning: this will only touch/initialize @buf if necessary.
+         * That means, don't assume that @buf was initialized after calling
+         * this macro. */     \
+        nm_net_aux_rtnl_rtntype_n2a(v) ?: nm_sprintf_buf((buf), "%u", _v); \
+    })
+
+/*****************************************************************************/
+
+#endif /* __NM_NET_AUX_H__ */