Line data    Source code

       1             : /* SPDX-License-Identifier: LGPL-2.1+ */
       2             : #pragma once
       3             : 
       4             : #include <netinet/in.h>
       5             : #include <linux/l2tp.h>
       6             : 
       7             : #include "in-addr-util.h"
       8             : #include "netdev.h"
       9             : #include "networkd-util.h"
      10             : 
      11             : typedef enum L2tpL2specType {
      12             :         NETDEV_L2TP_L2SPECTYPE_NONE = L2TP_L2SPECTYPE_NONE,
      13             :         NETDEV_L2TP_L2SPECTYPE_DEFAULT = L2TP_L2SPECTYPE_DEFAULT,
      14             :         _NETDEV_L2TP_L2SPECTYPE_MAX,
      15             :         _NETDEV_L2TP_L2SPECTYPE_INVALID = -1,
      16             : } L2tpL2specType;
      17             : 
      18             : typedef enum L2tpEncapType {
      19             :         NETDEV_L2TP_ENCAPTYPE_UDP = L2TP_ENCAPTYPE_UDP,
      20             :         NETDEV_L2TP_ENCAPTYPE_IP = L2TP_ENCAPTYPE_IP,
      21             :         _NETDEV_L2TP_ENCAPTYPE_MAX,
      22             :         _NETDEV_L2TP_ENCAPTYPE_INVALID = -1,
      23             : } L2tpEncapType;
      24             : 
      25             : typedef enum L2tpLocalAddressType {
      26             :         NETDEV_L2TP_LOCAL_ADDRESS_AUTO,
      27             :         NETDEV_L2TP_LOCAL_ADDRESS_STATIC,
      28             :         NETDEV_L2TP_LOCAL_ADDRESS_DYNAMIC,
      29             :         _NETDEV_L2TP_LOCAL_ADDRESS_MAX,
      30             :         _NETDEV_L2TP_LOCAL_ADDRESS_INVALID = -1,
      31             : } L2tpLocalAddressType;
      32             : 
      33             : typedef struct L2tpTunnel L2tpTunnel;
      34             : 
      35             : typedef struct L2tpSession {
      36             :         L2tpTunnel *tunnel;
      37             :         NetworkConfigSection *section;
      38             : 
      39             :         char *name;
      40             : 
      41             :         uint32_t session_id;
      42             :         uint32_t peer_session_id;
      43             :         L2tpL2specType l2tp_l2spec_type;
      44             : } L2tpSession;
      45             : 
      46             : struct L2tpTunnel {
      47             :         NetDev meta;
      48             : 
      49             :         uint16_t l2tp_udp_sport;
      50             :         uint16_t l2tp_udp_dport;
      51             : 
      52             :         uint32_t tunnel_id;
      53             :         uint32_t peer_tunnel_id;
      54             : 
      55             :         int family;
      56             : 
      57             :         bool udp_csum;
      58             :         bool udp6_csum_rx;
      59             :         bool udp6_csum_tx;
      60             : 
      61             :         L2tpLocalAddressType local_address_type;
      62             :         union in_addr_union local;
      63             :         union in_addr_union remote;
      64             : 
      65             :         L2tpEncapType l2tp_encap_type;
      66             : 
      67             :         OrderedHashmap *sessions_by_section;
      68             : };
      69             : 
      70           0 : DEFINE_NETDEV_CAST(L2TP, L2tpTunnel);
      71             : extern const NetDevVTable l2tptnl_vtable;
      72             : 
      73             : CONFIG_PARSER_PROTOTYPE(config_parse_l2tp_tunnel_address);
      74             : CONFIG_PARSER_PROTOTYPE(config_parse_l2tp_tunnel_id);
      75             : CONFIG_PARSER_PROTOTYPE(config_parse_l2tp_encap_type);
      76             : CONFIG_PARSER_PROTOTYPE(config_parse_l2tp_session_l2spec);
      77             : CONFIG_PARSER_PROTOTYPE(config_parse_l2tp_session_id);
      78             : CONFIG_PARSER_PROTOTYPE(config_parse_l2tp_session_name);