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📄 ethernet.h(22.17 KB)
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📄 ieee_oui.h(3.64 KB)
📄 if.h(22.3 KB)
📄 if_arp.h(5.41 KB)
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📄 if_tap.h(2.54 KB)
📄 if_tun.h(1.43 KB)
📄 if_types.h(12.2 KB)
📄 if_var.h(29.92 KB)
📄 if_vlan_var.h(6.1 KB)
📄 if_vxlan.h(4.71 KB)
📄 iflib.h(14.41 KB)
📄 iflib_private.h(2.31 KB)
📄 ifq.h(12.2 KB)
📄 infiniband.h(2.64 KB)
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📄 netisr.h(9.31 KB)
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📄 toeplitz.h(1.72 KB)
📄 vnet.h(14.62 KB)

Editing: ieee_oui.h

/* -
 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
 *
 * Copyright (c) 2013 The FreeBSD Foundation
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above
 *    copyright notice, this list of conditions and the following
 *    disclaimer in the documentation and/or other materials provided
 *    with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS''
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
 * PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 * $FreeBSD$
 *
 * Author: George V. Neville-Neil
 *
 */

/* Organizationally Unique Identifier assigned by IEEE 14 Nov 2013 */
#define OUI_FREEBSD_BASE 0x589cfc000000
#define OUI_FREEBSD(nic) (OUI_FREEBSD_BASE | (nic))

/* 
 * OUIs are most often used to uniquely identify network interfaces
 * and occupy the first 3 bytes of both destination and source MAC
 * addresses.  The following allocations exist so that various
 * software systems associated with FreeBSD can have unique IDs in the
 * absence of hardware.  The use of OUIs for this purpose is not fully
 * fleshed out but is now in common use in virtualization technology.
 * 
 * Allocations from this range are expected to be made using COMMON
 * SENSE by developers.  Do NOT take a large range just because
 * they're currently wide open.  Take the smallest useful range for
 * your system.  We have (2^24 - 2) available addresses (see Reserved
 * Values below) but that is far from infinite.
 *
 * In the event of a conflict arbitration of allocation in this file
 * is subject to core@ approval.
 * 
 * Applications are differentiated based on the high order bit(s) of
 * the remaining three bytes.  Our first allocation has all 0s, the
 * next allocation has the highest bit set.  Allocating in this way
 * gives us 254 allocations of 64K addresses.  Address blocks can be
 * concatenated if necessary.
 *
 * Reserved Values: 0x000000 and 0xffffff are reserved and MUST NOT BE
 * allocated for any reason.
 */

/* Allocate 20 bits to bhyve */
#define OUI_FREEBSD_BHYVE_LOW	OUI_FREEBSD(0x000001)
#define OUI_FREEBSD_BHYVE_HIGH	OUI_FREEBSD(0x0fffff)

/*
 * Allocate 16 bits for a pool to give to various interfaces that need a
 * generated address, but don't quite need to slice off a whole section of
 * the OUI (e.g. cloned interfaces, one-off NICs of various vendors).
 *
 * ether_gen_addr should be used to generate an address from this pool.
 */
#define	OUI_FREEBSD_GENERATED_MASK	0x10ffff
#define	OUI_FREEBSD_GENERATED_LOW	OUI_FREEBSD(0x100000)
#define	OUI_FREEBSD_GENERATED_HIGH	OUI_FREEBSD(OUI_FREEBSD_GENERATED_MASK)

/* Allocate 16 bits for emulated NVMe devices */
#define OUI_FREEBSD_NVME_MASK		0x20ffff
#define OUI_FREEBSD_NVME_LOW		OUI_FREEBSD(0x200000)
#define OUI_FREEBSD_NVME_HIGH		OUI_FREEBSD(OUI_FREEBSD_NVME_MASK)

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Editing: ieee_oui.h

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