From b750101eb236130cf056c675997decbac904cc49 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 17:35:18 +0200 Subject: Adding upstream version 252.22. Signed-off-by: Daniel Baumann --- src/network/netdev/tunnel.h | 138 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 138 insertions(+) create mode 100644 src/network/netdev/tunnel.h (limited to 'src/network/netdev/tunnel.h') diff --git a/src/network/netdev/tunnel.h b/src/network/netdev/tunnel.h new file mode 100644 index 0000000..7c81f22 --- /dev/null +++ b/src/network/netdev/tunnel.h @@ -0,0 +1,138 @@ +/* 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); -- cgit v1.2.3