b48288868a
The Tunnel Encapsulation Limit option specifies how many additional levels of encapsulation are permitted to be prepended to the packet
104 lines
3.5 KiB
C
104 lines
3.5 KiB
C
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
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/***
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This file is part of systemd.
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Copyright 2014 Tom Gundersen <teg@jklm.no>
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systemd is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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systemd is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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***/
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#pragma once
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typedef struct Tunnel Tunnel;
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#include "networkd-netdev.h"
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typedef enum Ip6TnlMode {
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NETDEV_IP6_TNL_MODE_IP6IP6,
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NETDEV_IP6_TNL_MODE_IPIP6,
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NETDEV_IP6_TNL_MODE_ANYIP6,
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_NETDEV_IP6_TNL_MODE_MAX,
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_NETDEV_IP6_TNL_MODE_INVALID = -1,
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} Ip6TnlMode;
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typedef enum IPv6FlowLabel {
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NETDEV_IPV6_FLOWLABEL_INHERIT = 0xFFFFF + 1,
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_NETDEV_IPV6_FLOWLABEL_MAX,
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_NETDEV_IPV6_FLOWLABEL_INVALID = -1,
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} IPv6FlowLabel;
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struct Tunnel {
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NetDev meta;
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uint8_t encap_limit;
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int family;
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int ipv6_flowlabel;
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unsigned ttl;
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unsigned tos;
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unsigned flags;
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union in_addr_union local;
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union in_addr_union remote;
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Ip6TnlMode ip6tnl_mode;
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bool pmtudisc;
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bool copy_dscp;
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};
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extern const NetDevVTable ipip_vtable;
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extern const NetDevVTable sit_vtable;
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extern const NetDevVTable vti_vtable;
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extern const NetDevVTable vti6_vtable;
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extern const NetDevVTable gre_vtable;
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extern const NetDevVTable gretap_vtable;
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extern const NetDevVTable ip6gre_vtable;
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extern const NetDevVTable ip6gretap_vtable;
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extern const NetDevVTable ip6tnl_vtable;
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const char *ip6tnl_mode_to_string(Ip6TnlMode d) _const_;
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Ip6TnlMode ip6tnl_mode_from_string(const char *d) _pure_;
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int config_parse_ip6tnl_mode(const char *unit, const char *filename,
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unsigned line, const char *section,
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unsigned section_line, const char *lvalue,
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int ltype, const char *rvalue, void *data,
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void *userdata);
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int config_parse_tunnel_address(const char *unit,
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const char *filename,
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unsigned line,
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const char *section,
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unsigned section_line,
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const char *lvalue,
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int ltype,
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const char *rvalue,
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void *data,
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void *userdata);
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int config_parse_ipv6_flowlabel(const char *unit, const char *filename,
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unsigned line, const char *section,
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unsigned section_line, const char *lvalue,
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int ltype, const char *rvalue, void *data,
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void *userdata);
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int config_parse_encap_limit(const char *unit, const char *filename,
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unsigned line, const char *section,
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unsigned section_line, const char *lvalue,
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int ltype, const char *rvalue, void *data,
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void *userdata);
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