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-rw-r--r--src/network/netdev/l2tp-tunnel.h80
1 files changed, 80 insertions, 0 deletions
diff --git a/src/network/netdev/l2tp-tunnel.h b/src/network/netdev/l2tp-tunnel.h
new file mode 100644
index 0000000..6028b35
--- /dev/null
+++ b/src/network/netdev/l2tp-tunnel.h
@@ -0,0 +1,80 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+#pragma once
+
+#include <netinet/in.h>
+#include <linux/l2tp.h>
+
+#include "in-addr-util.h"
+#include "netdev.h"
+#include "networkd-util.h"
+
+typedef enum L2tpL2specType {
+ NETDEV_L2TP_L2SPECTYPE_NONE = L2TP_L2SPECTYPE_NONE,
+ NETDEV_L2TP_L2SPECTYPE_DEFAULT = L2TP_L2SPECTYPE_DEFAULT,
+ _NETDEV_L2TP_L2SPECTYPE_MAX,
+ _NETDEV_L2TP_L2SPECTYPE_INVALID = -EINVAL,
+} L2tpL2specType;
+
+typedef enum L2tpEncapType {
+ NETDEV_L2TP_ENCAPTYPE_UDP = L2TP_ENCAPTYPE_UDP,
+ NETDEV_L2TP_ENCAPTYPE_IP = L2TP_ENCAPTYPE_IP,
+ _NETDEV_L2TP_ENCAPTYPE_MAX,
+ _NETDEV_L2TP_ENCAPTYPE_INVALID = -EINVAL,
+} L2tpEncapType;
+
+typedef enum L2tpLocalAddressType {
+ NETDEV_L2TP_LOCAL_ADDRESS_AUTO,
+ NETDEV_L2TP_LOCAL_ADDRESS_STATIC,
+ NETDEV_L2TP_LOCAL_ADDRESS_DYNAMIC,
+ _NETDEV_L2TP_LOCAL_ADDRESS_MAX,
+ _NETDEV_L2TP_LOCAL_ADDRESS_INVALID = -EINVAL,
+} L2tpLocalAddressType;
+
+typedef struct L2tpTunnel L2tpTunnel;
+
+typedef struct L2tpSession {
+ L2tpTunnel *tunnel;
+ ConfigSection *section;
+
+ char *name;
+
+ uint32_t session_id;
+ uint32_t peer_session_id;
+ L2tpL2specType l2tp_l2spec_type;
+} L2tpSession;
+
+struct L2tpTunnel {
+ NetDev meta;
+
+ uint16_t l2tp_udp_sport;
+ uint16_t l2tp_udp_dport;
+
+ uint32_t tunnel_id;
+ uint32_t peer_tunnel_id;
+
+ int family;
+
+ bool udp_csum;
+ bool udp6_csum_rx;
+ bool udp6_csum_tx;
+
+ char *local_ifname;
+ L2tpLocalAddressType local_address_type;
+ union in_addr_union local;
+ union in_addr_union remote;
+
+ L2tpEncapType l2tp_encap_type;
+
+ OrderedHashmap *sessions_by_section;
+};
+
+DEFINE_NETDEV_CAST(L2TP, L2tpTunnel);
+extern const NetDevVTable l2tptnl_vtable;
+
+CONFIG_PARSER_PROTOTYPE(config_parse_l2tp_tunnel_local_address);
+CONFIG_PARSER_PROTOTYPE(config_parse_l2tp_tunnel_remote_address);
+CONFIG_PARSER_PROTOTYPE(config_parse_l2tp_tunnel_id);
+CONFIG_PARSER_PROTOTYPE(config_parse_l2tp_encap_type);
+CONFIG_PARSER_PROTOTYPE(config_parse_l2tp_session_l2spec);
+CONFIG_PARSER_PROTOTYPE(config_parse_l2tp_session_id);
+CONFIG_PARSER_PROTOTYPE(config_parse_l2tp_session_name);