| /* SPDX-License-Identifier: LGPL-2.1-or-later */ |
| #pragma once |
| |
| #include "in-addr-util.h" |
| |
| #include "conf-parser.h" |
| #include "fou-tunnel.h" |
| #include "netdev-util.h" |
| #include "netdev.h" |
| #include "networkd-link.h" |
| |
| typedef enum Ip6TnlMode { |
| NETDEV_IP6_TNL_MODE_IP6IP6, |
| NETDEV_IP6_TNL_MODE_IPIP6, |
| NETDEV_IP6_TNL_MODE_ANYIP6, |
| _NETDEV_IP6_TNL_MODE_MAX, |
| _NETDEV_IP6_TNL_MODE_INVALID = -EINVAL, |
| } Ip6TnlMode; |
| |
| typedef enum IPv6FlowLabel { |
| NETDEV_IPV6_FLOWLABEL_INHERIT = 0xFFFFF + 1, |
| _NETDEV_IPV6_FLOWLABEL_MAX, |
| _NETDEV_IPV6_FLOWLABEL_INVALID = -EINVAL, |
| } IPv6FlowLabel; |
| |
| typedef struct Tunnel { |
| NetDev meta; |
| |
| uint8_t encap_limit; |
| |
| int family; |
| int ipv6_flowlabel; |
| int allow_localremote; |
| int gre_erspan_sequence; |
| int isatap; |
| |
| unsigned ttl; |
| unsigned tos; |
| unsigned flags; |
| |
| uint32_t key; |
| uint32_t ikey; |
| uint32_t okey; |
| |
| uint8_t erspan_version; |
| uint32_t erspan_index; /* version 1 */ |
| uint8_t erspan_direction; /* version 2 */ |
| uint16_t erspan_hwid; /* version 2 */ |
| |
| NetDevLocalAddressType local_type; |
| union in_addr_union local; |
| union in_addr_union remote; |
| |
| Ip6TnlMode ip6tnl_mode; |
| FooOverUDPEncapType fou_encap_type; |
| |
| bool pmtudisc; |
| bool copy_dscp; |
| bool independent; |
| bool fou_tunnel; |
| bool assign_to_loopback; |
| bool external; /* a.k.a collect metadata mode */ |
| |
| uint16_t encap_src_port; |
| uint16_t fou_destination_port; |
| |
| struct in6_addr sixrd_prefix; |
| uint8_t sixrd_prefixlen; |
| } Tunnel; |
| |
| int dhcp4_pd_create_6rd_tunnel_name(Link *link, char **ret); |
| int dhcp4_pd_create_6rd_tunnel(Link *link, link_netlink_message_handler_t callback); |
| |
| DEFINE_NETDEV_CAST(IPIP, Tunnel); |
| DEFINE_NETDEV_CAST(GRE, Tunnel); |
| DEFINE_NETDEV_CAST(GRETAP, Tunnel); |
| DEFINE_NETDEV_CAST(IP6GRE, Tunnel); |
| DEFINE_NETDEV_CAST(IP6GRETAP, Tunnel); |
| DEFINE_NETDEV_CAST(SIT, Tunnel); |
| DEFINE_NETDEV_CAST(VTI, Tunnel); |
| DEFINE_NETDEV_CAST(VTI6, Tunnel); |
| DEFINE_NETDEV_CAST(IP6TNL, Tunnel); |
| DEFINE_NETDEV_CAST(ERSPAN, Tunnel); |
| |
| static inline Tunnel* TUNNEL(NetDev *netdev) { |
| assert(netdev); |
| |
| switch (netdev->kind) { |
| case NETDEV_KIND_IPIP: |
| return IPIP(netdev); |
| case NETDEV_KIND_SIT: |
| return SIT(netdev); |
| case NETDEV_KIND_GRE: |
| return GRE(netdev); |
| case NETDEV_KIND_GRETAP: |
| return GRETAP(netdev); |
| case NETDEV_KIND_IP6GRE: |
| return IP6GRE(netdev); |
| case NETDEV_KIND_IP6GRETAP: |
| return IP6GRETAP(netdev); |
| case NETDEV_KIND_VTI: |
| return VTI(netdev); |
| case NETDEV_KIND_VTI6: |
| return VTI6(netdev); |
| case NETDEV_KIND_IP6TNL: |
| return IP6TNL(netdev); |
| case NETDEV_KIND_ERSPAN: |
| return ERSPAN(netdev); |
| default: |
| return NULL; |
| } |
| } |
| |
| extern const NetDevVTable ipip_vtable; |
| extern const NetDevVTable sit_vtable; |
| extern const NetDevVTable vti_vtable; |
| extern const NetDevVTable vti6_vtable; |
| extern const NetDevVTable gre_vtable; |
| extern const NetDevVTable gretap_vtable; |
| extern const NetDevVTable ip6gre_vtable; |
| extern const NetDevVTable ip6gretap_vtable; |
| extern const NetDevVTable ip6tnl_vtable; |
| extern const NetDevVTable erspan_vtable; |
| |
| const char *ip6tnl_mode_to_string(Ip6TnlMode d) _const_; |
| Ip6TnlMode ip6tnl_mode_from_string(const char *d) _pure_; |
| |
| CONFIG_PARSER_PROTOTYPE(config_parse_ip6tnl_mode); |
| CONFIG_PARSER_PROTOTYPE(config_parse_tunnel_local_address); |
| CONFIG_PARSER_PROTOTYPE(config_parse_tunnel_remote_address); |
| CONFIG_PARSER_PROTOTYPE(config_parse_ipv6_flowlabel); |
| CONFIG_PARSER_PROTOTYPE(config_parse_encap_limit); |
| CONFIG_PARSER_PROTOTYPE(config_parse_tunnel_key); |
| CONFIG_PARSER_PROTOTYPE(config_parse_6rd_prefix); |
| CONFIG_PARSER_PROTOTYPE(config_parse_erspan_version); |
| CONFIG_PARSER_PROTOTYPE(config_parse_erspan_index); |
| CONFIG_PARSER_PROTOTYPE(config_parse_erspan_direction); |
| CONFIG_PARSER_PROTOTYPE(config_parse_erspan_hwid); |