1*e44d2e94SPouria Mousavizadeh Tehrani /*- 2*e44d2e94SPouria Mousavizadeh Tehrani * SPDX-License-Identifier: BSD-2-Clause 3*e44d2e94SPouria Mousavizadeh Tehrani * 4*e44d2e94SPouria Mousavizadeh Tehrani * Copyright (c) 2025-2026 Pouria Mousavizadeh Tehrani <pouria@FreeBSD.org> 5*e44d2e94SPouria Mousavizadeh Tehrani * All rights reserved. 6*e44d2e94SPouria Mousavizadeh Tehrani * 7*e44d2e94SPouria Mousavizadeh Tehrani * Redistribution and use in source and binary forms, with or without 8*e44d2e94SPouria Mousavizadeh Tehrani * modification, are permitted provided that the following conditions 9*e44d2e94SPouria Mousavizadeh Tehrani * are met: 10*e44d2e94SPouria Mousavizadeh Tehrani * 1. Redistributions of source code must retain the above copyright 11*e44d2e94SPouria Mousavizadeh Tehrani * notice, this list of conditions and the following disclaimer. 12*e44d2e94SPouria Mousavizadeh Tehrani * 2. Redistributions in binary form must reproduce the above copyright 13*e44d2e94SPouria Mousavizadeh Tehrani * notice, this list of conditions and the following disclaimer in the 14*e44d2e94SPouria Mousavizadeh Tehrani * documentation and/or other materials provided with the distribution. 15*e44d2e94SPouria Mousavizadeh Tehrani * 16*e44d2e94SPouria Mousavizadeh Tehrani * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17*e44d2e94SPouria Mousavizadeh Tehrani * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18*e44d2e94SPouria Mousavizadeh Tehrani * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19*e44d2e94SPouria Mousavizadeh Tehrani * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20*e44d2e94SPouria Mousavizadeh Tehrani * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21*e44d2e94SPouria Mousavizadeh Tehrani * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22*e44d2e94SPouria Mousavizadeh Tehrani * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23*e44d2e94SPouria Mousavizadeh Tehrani * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24*e44d2e94SPouria Mousavizadeh Tehrani * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25*e44d2e94SPouria Mousavizadeh Tehrani * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26*e44d2e94SPouria Mousavizadeh Tehrani * SUCH DAMAGE. 27*e44d2e94SPouria Mousavizadeh Tehrani */ 28*e44d2e94SPouria Mousavizadeh Tehrani 29*e44d2e94SPouria Mousavizadeh Tehrani #ifndef _NET_IF_GENEVE_H_ 30*e44d2e94SPouria Mousavizadeh Tehrani #define _NET_IF_GENEVE_H_ 31*e44d2e94SPouria Mousavizadeh Tehrani 32*e44d2e94SPouria Mousavizadeh Tehrani #include <sys/types.h> 33*e44d2e94SPouria Mousavizadeh Tehrani 34*e44d2e94SPouria Mousavizadeh Tehrani #ifdef _KERNEL 35*e44d2e94SPouria Mousavizadeh Tehrani struct genevehdr { 36*e44d2e94SPouria Mousavizadeh Tehrani #if BYTE_ORDER == LITTLE_ENDIAN 37*e44d2e94SPouria Mousavizadeh Tehrani uint8_t geneve_optlen:6, /* Opt Len */ 38*e44d2e94SPouria Mousavizadeh Tehrani geneve_ver:2; /* version */ 39*e44d2e94SPouria Mousavizadeh Tehrani uint8_t geneve_flags:6, /* GENEVE Flags */ 40*e44d2e94SPouria Mousavizadeh Tehrani geneve_critical:1, /* critical options present */ 41*e44d2e94SPouria Mousavizadeh Tehrani geneve_control:1; /* control packets */ 42*e44d2e94SPouria Mousavizadeh Tehrani #endif 43*e44d2e94SPouria Mousavizadeh Tehrani #if BYTE_ORDER == BIG_ENDIAN 44*e44d2e94SPouria Mousavizadeh Tehrani uint8_t geneve_ver:2, /* version */ 45*e44d2e94SPouria Mousavizadeh Tehrani geneve_optlen:6; /* Opt Len */ 46*e44d2e94SPouria Mousavizadeh Tehrani uint8_t geneve_control:1, /* control packets */ 47*e44d2e94SPouria Mousavizadeh Tehrani geneve_critical:1, /* critical options present */ 48*e44d2e94SPouria Mousavizadeh Tehrani geneve_flags:6; /* GENEVE Flags */ 49*e44d2e94SPouria Mousavizadeh Tehrani #endif 50*e44d2e94SPouria Mousavizadeh Tehrani uint16_t geneve_proto; /* protocol type (follows Ethertypes) */ 51*e44d2e94SPouria Mousavizadeh Tehrani uint32_t geneve_vni; /* virtual network identifier */ 52*e44d2e94SPouria Mousavizadeh Tehrani } __packed; 53*e44d2e94SPouria Mousavizadeh Tehrani 54*e44d2e94SPouria Mousavizadeh Tehrani struct geneveudphdr { 55*e44d2e94SPouria Mousavizadeh Tehrani struct udphdr geneve_udp; 56*e44d2e94SPouria Mousavizadeh Tehrani struct genevehdr geneve_hdr; 57*e44d2e94SPouria Mousavizadeh Tehrani } __packed; 58*e44d2e94SPouria Mousavizadeh Tehrani #endif /* _KERNEL */ 59*e44d2e94SPouria Mousavizadeh Tehrani 60*e44d2e94SPouria Mousavizadeh Tehrani struct geneve_params { 61*e44d2e94SPouria Mousavizadeh Tehrani uint16_t ifla_proto; 62*e44d2e94SPouria Mousavizadeh Tehrani }; 63*e44d2e94SPouria Mousavizadeh Tehrani 64*e44d2e94SPouria Mousavizadeh Tehrani #define GENEVE_VNI_MAX (1 << 24) 65*e44d2e94SPouria Mousavizadeh Tehrani 66*e44d2e94SPouria Mousavizadeh Tehrani #define GENEVE_PROTO_ETHER 0x6558 /* Ethernet */ 67*e44d2e94SPouria Mousavizadeh Tehrani #define GENEVE_PROTO_INHERIT 0x0 /* inherit inner layer 3 headers */ 68*e44d2e94SPouria Mousavizadeh Tehrani #define GENEVE_UDPPORT 6081 69*e44d2e94SPouria Mousavizadeh Tehrani 70*e44d2e94SPouria Mousavizadeh Tehrani #endif /* _NET_IF_GENEVE_H_ */ 71