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NetBSD/sys/net/if_media.h

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/* $NetBSD: if_media.h,v 1.29 2002/09/27 05:27:20 onoe Exp $ */
/*-
* Copyright (c) 1998, 2000, 2001 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
* NASA Ames Research Center.
*
* 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
*/
/*
* Copyright (c) 1997
* Jonathan Stone and Jason R. Thorpe. All rights reserved.
*
* This software is derived from information provided by Matt Thomas.
*
* 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Jonathan Stone
* and Jason R. Thorpe for the NetBSD Project.
* 4. The names of the authors may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``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 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.
*/
#ifndef _NET_IF_MEDIA_H_
#define _NET_IF_MEDIA_H_
/*
* Prototypes and definitions for BSD/OS-compatible network interface
* media selection.
*
* Where it is safe to do so, this code strays slightly from the BSD/OS
* design. Software which uses the API (device drivers, basically)
* shouldn't notice any difference.
*
* Many thanks to Matt Thomas for providing the information necessary
* to implement this interface.
*/
#ifdef _KERNEL
#include <sys/queue.h>
/*
* Driver callbacks for media status and change requests.
*/
typedef int (*ifm_change_cb_t) __P((struct ifnet *ifp));
typedef void (*ifm_stat_cb_t) __P((struct ifnet *ifp, struct ifmediareq *req));
/*
* In-kernel representation of a single supported media type.
*/
struct ifmedia_entry {
TAILQ_ENTRY(ifmedia_entry) ifm_list;
int ifm_media; /* description of this media attachment */
int ifm_data; /* for driver-specific use */
void *ifm_aux; /* for driver-specific use */
};
/*
* One of these goes into a network interface's softc structure.
* It is used to keep general media state.
*/
struct ifmedia {
int ifm_mask; /* mask of changes we don't care about */
int ifm_media; /* current user-set media word */
struct ifmedia_entry *ifm_cur; /* currently selected media */
TAILQ_HEAD(, ifmedia_entry) ifm_list; /* list of all supported media */
ifm_change_cb_t ifm_change; /* media change driver callback */
ifm_stat_cb_t ifm_status; /* media status driver callback */
};
/* Initialize an interface's struct if_media field. */
void ifmedia_init __P((struct ifmedia *ifm, int dontcare_mask,
ifm_change_cb_t change_callback, ifm_stat_cb_t status_callback));
/* Add one supported medium to a struct ifmedia. */
void ifmedia_add __P((struct ifmedia *ifm, int mword, int data, void *aux));
/* Add an array (of ifmedia_entry) media to a struct ifmedia. */
void ifmedia_list_add(struct ifmedia *mp, struct ifmedia_entry *lp,
int count);
/* Set default media type on initialization. */
void ifmedia_set __P((struct ifmedia *ifm, int mword));
/* Common ioctl function for getting/setting media, called by driver. */
int ifmedia_ioctl __P((struct ifnet *ifp, struct ifreq *ifr,
struct ifmedia *ifm, u_long cmd));
/* Look up a media entry. */
struct ifmedia_entry *ifmedia_match __P((struct ifmedia *ifm, int flags,
int mask));
/* Delete all media for a given media instance */
void ifmedia_delete_instance __P((struct ifmedia *, int));
/* Compute baudrate for a given media. */
int ifmedia_baudrate __P((int));
#endif /*_KERNEL */
/*
* if_media Options word:
* Bits Use
* ---- -------
* 0-4 Media subtype MAX SUBTYPE == 31!
* 5-7 Media type
* 8-15 Type specific options
* 16-19 RFU
* 20-27 Shared (global) options
* 28-31 Instance
*/
/*
* Ethernet
*/
#define IFM_ETHER 0x00000020
#define IFM_10_T 3 /* 10BaseT - RJ45 */
#define IFM_10_2 4 /* 10Base2 - Thinnet */
#define IFM_10_5 5 /* 10Base5 - AUI */
#define IFM_100_TX 6 /* 100BaseTX - RJ45 */
#define IFM_100_FX 7 /* 100BaseFX - Fiber */
#define IFM_100_T4 8 /* 100BaseT4 - 4 pair cat 3 */
#define IFM_100_VG 9 /* 100VG-AnyLAN */
#define IFM_100_T2 10 /* 100BaseT2 */
#define IFM_1000_SX 11 /* 1000BaseSX - multi-mode fiber */
#define IFM_10_STP 12 /* 10BaseT over shielded TP */
#define IFM_10_FL 13 /* 10BaseFL - Fiber */
#define IFM_1000_LX 14 /* 1000baseLX - single-mode fiber */
#define IFM_1000_CX 15 /* 1000baseCX - 150ohm STP */
#define IFM_1000_T 16 /* 1000baseT - 4 pair cat 5 */
#define IFM_HPNA_1 17 /* HomePNA 1.0 (1Mb/s) */
#define IFM_ETH_MASTER 0x00000100 /* master mode (1000baseT) */
/*
* Token ring
*/
#define IFM_TOKEN 0x00000040
#define IFM_TOK_STP4 3 /* Shielded twisted pair 4m - DB9 */
#define IFM_TOK_STP16 4 /* Shielded twisted pair 16m - DB9 */
#define IFM_TOK_UTP4 5 /* Unshielded twisted pair 4m - RJ45 */
#define IFM_TOK_UTP16 6 /* Unshielded twisted pair 16m - RJ45 */
#define IFM_TOK_ETR 0x00000200 /* Early token release */
#define IFM_TOK_SRCRT 0x00000400 /* Enable source routing features */
#define IFM_TOK_ALLR 0x00000800 /* All routes / Single route bcast */
/*
* FDDI
*/
#define IFM_FDDI 0x00000060
#define IFM_FDDI_SMF 3 /* Single-mode fiber */
#define IFM_FDDI_MMF 4 /* Multi-mode fiber */
#define IFM_FDDI_UTP 5 /* CDDI / UTP */
#define IFM_FDDI_DA 0x00000100 /* Dual attach / single attach */
/*
* IEEE 802.11 Wireless
*/
#define IFM_IEEE80211 0x00000080
#define IFM_IEEE80211_FH1 3 /* Frequency Hopping 1Mbps */
#define IFM_IEEE80211_FH2 4 /* Frequency Hopping 2Mbps */
#define IFM_IEEE80211_DS2 5 /* Direct Sequence 2Mbps */
#define IFM_IEEE80211_DS5 6 /* Direct Sequence 5Mbps*/
#define IFM_IEEE80211_DS11 7 /* Direct Sequence 11Mbps*/
#define IFM_IEEE80211_DS1 8 /* Direct Sequence 1Mbps */
#define IFM_IEEE80211_ADHOC 0x00000100 /* Operate in Adhoc mode */
#define IFM_IEEE80211_HOSTAP 0x00000200 /* Operate in Host AP mode */
/*
* Shared media sub-types
*/
#define IFM_AUTO 0 /* Autoselect best media */
#define IFM_MANUAL 1 /* Jumper/dipswitch selects media */
#define IFM_NONE 2 /* Deselect all media */
/*
* Shared options
*/
#define IFM_FDX 0x00100000 /* Force full duplex */
#define IFM_HDX 0x00200000 /* Force half duplex */
#define IFM_FLOW 0x00400000 /* enable hardware flow control */
#define IFM_FLAG0 0x01000000 /* Driver defined flag */
#define IFM_FLAG1 0x02000000 /* Driver defined flag */
#define IFM_FLAG2 0x04000000 /* Driver defined flag */
#define IFM_LOOP 0x08000000 /* Put hardware in loopback */
/*
* Masks
*/
#define IFM_NMASK 0x000000e0 /* Network type */
#define IFM_TMASK 0x0000001f /* Media sub-type */
#define IFM_IMASK 0xf0000000 /* Instance */
#define IFM_ISHIFT 28 /* Instance shift */
#define IFM_OMASK 0x0000ff00 /* Type specific options */
#define IFM_GMASK 0x0ff00000 /* Global options */
#define IFM_NMIN IFM_ETHER /* lowest Network type */
#define IFM_NMAX IFM_NMASK /* highest Network type */
/*
* Status bits
*/
#define IFM_AVALID 0x00000001 /* Active bit valid */
#define IFM_ACTIVE 0x00000002 /* Interface attached to working net */
/* Mask of "status valid" bits, for ifconfig(8). */
#define IFM_STATUS_VALID IFM_AVALID
/* List of "status valid" bits, for ifconfig(8). */
#define IFM_STATUS_VALID_LIST { \
IFM_AVALID, \
0, \
}
/*
* Macros to extract various bits of information from the media word.
*/
#define IFM_TYPE(x) ((x) & IFM_NMASK)
#define IFM_SUBTYPE(x) ((x) & IFM_TMASK)
#define IFM_INST(x) (((x) & IFM_IMASK) >> IFM_ISHIFT)
#define IFM_OPTIONS(x) ((x) & (IFM_OMASK|IFM_GMASK))
#define IFM_INST_MAX IFM_INST(IFM_IMASK)
#define IFM_INST_ANY -1
/*
* Macro to create a media word.
*/
#define IFM_MAKEWORD(type, subtype, options, instance) \
((type) | (subtype) | (options) | ((instance) << IFM_ISHIFT))
/*
* NetBSD extension not defined in the BSDI API. This is used in various
* places to get the canonical description for a given type/subtype.
*
* In the subtype and mediaopt descriptions, the valid TYPE bits are OR'd
* in to indicate which TYPE the subtype/option corresponds to. If no
* TYPE is present, it is a shared media/mediaopt.
*
* Note that these are parsed case-insensitive.
*
* Order is important. The first matching entry is the canonical name
* for a media type; subsequent matches are aliases.
*/
struct ifmedia_description {
int ifmt_word; /* word value; may be masked */
const char *ifmt_string; /* description */
};
#define IFM_TYPE_DESCRIPTIONS { \
{ IFM_ETHER, "Ethernet" }, \
{ IFM_ETHER, "ether" }, \
{ IFM_TOKEN, "TokenRing" }, \
{ IFM_TOKEN, "token" }, \
{ IFM_FDDI, "FDDI" }, \
{ IFM_IEEE80211, "IEEE802.11" }, \
{ 0, NULL }, \
}
#define IFM_TYPE_MATCH(dt, t) \
(IFM_TYPE((dt)) == 0 || IFM_TYPE((dt)) == IFM_TYPE((t)))
#define IFM_SUBTYPE_DESCRIPTIONS { \
{ IFM_AUTO, "autoselect" }, \
{ IFM_AUTO, "auto" }, \
{ IFM_MANUAL, "manual" }, \
{ IFM_NONE, "none" }, \
\
{ IFM_ETHER|IFM_10_T, "10baseT" }, \
{ IFM_ETHER|IFM_10_T, "10baseT/UTP" }, \
{ IFM_ETHER|IFM_10_T, "UTP" }, \
{ IFM_ETHER|IFM_10_T, "10UTP" }, \
{ IFM_ETHER|IFM_10_2, "10base2" }, \
{ IFM_ETHER|IFM_10_2, "10base2/BNC" }, \
{ IFM_ETHER|IFM_10_2, "BNC" }, \
{ IFM_ETHER|IFM_10_2, "10BNC" }, \
{ IFM_ETHER|IFM_10_5, "10base5" }, \
{ IFM_ETHER|IFM_10_5, "10base5/AUI" }, \
{ IFM_ETHER|IFM_10_5, "AUI" }, \
{ IFM_ETHER|IFM_10_5, "10AUI" }, \
{ IFM_ETHER|IFM_100_TX, "100baseTX" }, \
{ IFM_ETHER|IFM_100_TX, "100TX" }, \
{ IFM_ETHER|IFM_100_FX, "100baseFX" }, \
{ IFM_ETHER|IFM_100_FX, "100FX" }, \
{ IFM_ETHER|IFM_100_T4, "100baseT4" }, \
{ IFM_ETHER|IFM_100_T4, "100T4" }, \
{ IFM_ETHER|IFM_100_VG, "100baseVG" }, \
{ IFM_ETHER|IFM_100_VG, "100VG" }, \
{ IFM_ETHER|IFM_100_T2, "100baseT2" }, \
{ IFM_ETHER|IFM_100_T2, "100T2" }, \
{ IFM_ETHER|IFM_1000_SX, "1000baseSX" }, \
{ IFM_ETHER|IFM_1000_SX, "1000SX" }, \
{ IFM_ETHER|IFM_10_STP, "10baseSTP" }, \
{ IFM_ETHER|IFM_10_STP, "STP" }, \
{ IFM_ETHER|IFM_10_STP, "10STP" }, \
{ IFM_ETHER|IFM_10_FL, "10baseFL" }, \
{ IFM_ETHER|IFM_10_FL, "FL" }, \
{ IFM_ETHER|IFM_10_FL, "10FL" }, \
{ IFM_ETHER|IFM_1000_LX, "1000baseLX" }, \
{ IFM_ETHER|IFM_1000_LX, "1000LX" }, \
{ IFM_ETHER|IFM_1000_CX, "1000baseCX" }, \
{ IFM_ETHER|IFM_1000_CX, "1000CX" }, \
{ IFM_ETHER|IFM_1000_T, "1000baseT" }, \
{ IFM_ETHER|IFM_1000_T, "1000T" }, \
{ IFM_ETHER|IFM_HPNA_1, "HomePNA1" }, \
{ IFM_ETHER|IFM_HPNA_1, "HPNA1" }, \
\
{ IFM_TOKEN|IFM_TOK_STP4, "DB9/4Mbit" }, \
{ IFM_TOKEN|IFM_TOK_STP4, "4STP" }, \
{ IFM_TOKEN|IFM_TOK_STP16, "DB9/16Mbit" }, \
{ IFM_TOKEN|IFM_TOK_STP16, "16STP" }, \
{ IFM_TOKEN|IFM_TOK_UTP4, "UTP/4Mbit" }, \
{ IFM_TOKEN|IFM_TOK_UTP4, "4UTP" }, \
{ IFM_TOKEN|IFM_TOK_UTP16, "UTP/16Mbit" }, \
{ IFM_TOKEN|IFM_TOK_UTP16, "16UTP" }, \
\
{ IFM_FDDI|IFM_FDDI_SMF, "Single-mode" }, \
{ IFM_FDDI|IFM_FDDI_SMF, "SMF" }, \
{ IFM_FDDI|IFM_FDDI_MMF, "Multi-mode" }, \
{ IFM_FDDI|IFM_FDDI_MMF, "MMF" }, \
{ IFM_FDDI|IFM_FDDI_UTP, "UTP" }, \
{ IFM_FDDI|IFM_FDDI_UTP, "CDDI" }, \
\
/* \
* Short-hand for common media+option combos. \
*/ \
{ IFM_ETHER|IFM_10_T|IFM_FDX, "10baseT-FDX" }, \
{ IFM_ETHER|IFM_100_TX|IFM_FDX, "100baseTX-FDX" }, \
\
/* \
* IEEE 802.11 \
*/ \
{ IFM_IEEE80211|IFM_IEEE80211_FH1, "FH1" }, \
{ IFM_IEEE80211|IFM_IEEE80211_FH2, "FH2" }, \
{ IFM_IEEE80211|IFM_IEEE80211_DS1, "DS1" }, \
{ IFM_IEEE80211|IFM_IEEE80211_DS2, "DS2" }, \
{ IFM_IEEE80211|IFM_IEEE80211_DS5, "DS5" }, \
{ IFM_IEEE80211|IFM_IEEE80211_DS11, "DS11" }, \
\
{ 0, NULL }, \
}
#define IFM_OPTION_DESCRIPTIONS { \
{ IFM_FDX, "full-duplex" }, \
{ IFM_FDX, "fdx" }, \
{ IFM_HDX, "half-duplex" }, \
{ IFM_HDX, "hdx" }, \
{ IFM_FLAG0, "flag0" }, \
{ IFM_FLAG1, "flag1" }, \
{ IFM_FLAG2, "flag2" }, \
{ IFM_LOOP, "loopback" }, \
{ IFM_LOOP, "hw-loopback"}, \
{ IFM_LOOP, "loop" }, \
\
{ IFM_ETHER|IFM_ETH_MASTER, "master" }, \
\
{ IFM_TOKEN|IFM_TOK_ETR, "EarlyTokenRelease" }, \
{ IFM_TOKEN|IFM_TOK_ETR, "ETR" }, \
{ IFM_TOKEN|IFM_TOK_SRCRT, "SourceRouting" }, \
{ IFM_TOKEN|IFM_TOK_SRCRT, "SRCRT" }, \
{ IFM_TOKEN|IFM_TOK_ALLR, "AllRoutes" }, \
{ IFM_TOKEN|IFM_TOK_ALLR, "ALLR" }, \
\
{ IFM_FDDI|IFM_FDDI_DA, "dual-attach" }, \
{ IFM_FDDI|IFM_FDDI_DA, "das" }, \
\
{ IFM_IEEE80211|IFM_IEEE80211_ADHOC, "adhoc" }, \
{ IFM_IEEE80211|IFM_IEEE80211_ADHOC, "ibss" }, \
{ IFM_IEEE80211|IFM_IEEE80211_HOSTAP, "hostap" }, \
\
{ 0, NULL }, \
}
/*
* Baudrate descriptions for the various media types.
*/
struct ifmedia_baudrate {
int ifmb_word; /* media word */
int ifmb_baudrate; /* corresponding baudrate */
};
#define IFM_BAUDRATE_DESCRIPTIONS { \
{ IFM_ETHER|IFM_10_T, IF_Mbps(10) }, \
{ IFM_ETHER|IFM_10_2, IF_Mbps(10) }, \
{ IFM_ETHER|IFM_10_5, IF_Mbps(10) }, \
{ IFM_ETHER|IFM_100_TX, IF_Mbps(100) }, \
{ IFM_ETHER|IFM_100_FX, IF_Mbps(100) }, \
{ IFM_ETHER|IFM_100_T4, IF_Mbps(100) }, \
{ IFM_ETHER|IFM_100_VG, IF_Mbps(100) }, \
{ IFM_ETHER|IFM_100_T2, IF_Mbps(100) }, \
{ IFM_ETHER|IFM_1000_SX, IF_Mbps(1000) }, \
{ IFM_ETHER|IFM_10_STP, IF_Mbps(10) }, \
{ IFM_ETHER|IFM_10_FL, IF_Mbps(10) }, \
{ IFM_ETHER|IFM_1000_LX, IF_Mbps(1000) }, \
{ IFM_ETHER|IFM_1000_CX, IF_Mbps(1000) }, \
{ IFM_ETHER|IFM_1000_T, IF_Mbps(1000) }, \
{ IFM_ETHER|IFM_HPNA_1, IF_Mbps(1) }, \
\
{ IFM_TOKEN|IFM_TOK_STP4, IF_Mbps(4) }, \
{ IFM_TOKEN|IFM_TOK_STP16, IF_Mbps(16) }, \
{ IFM_TOKEN|IFM_TOK_UTP4, IF_Mbps(4) }, \
{ IFM_TOKEN|IFM_TOK_UTP16, IF_Mbps(16) }, \
\
{ IFM_FDDI|IFM_FDDI_SMF, IF_Mbps(100) }, \
{ IFM_FDDI|IFM_FDDI_MMF, IF_Mbps(100) }, \
{ IFM_FDDI|IFM_FDDI_UTP, IF_Mbps(100) }, \
\
{ IFM_IEEE80211|IFM_IEEE80211_FH1, IF_Mbps(1) }, \
{ IFM_IEEE80211|IFM_IEEE80211_FH2, IF_Mbps(2) }, \
{ IFM_IEEE80211|IFM_IEEE80211_DS2, IF_Mbps(2) }, \
{ IFM_IEEE80211|IFM_IEEE80211_DS5, IF_Kbps(5500) }, \
{ IFM_IEEE80211|IFM_IEEE80211_DS11, IF_Mbps(11) }, \
{ IFM_IEEE80211|IFM_IEEE80211_DS1, IF_Mbps(1) }, \
\
{ 0, 0 }, \
}
/*
* Status bit descriptions for the various media types.
*/
struct ifmedia_status_description {
int ifms_type;
int ifms_valid;
int ifms_bit;
const char *ifms_string[2];
};
#define IFM_STATUS_DESC(ifms, bit) \
(ifms)->ifms_string[((ifms)->ifms_bit & (bit)) ? 1 : 0]
#define IFM_STATUS_DESCRIPTIONS { \
{ IFM_ETHER, IFM_AVALID, IFM_ACTIVE, \
{ "no carrier", "active" } }, \
\
{ IFM_FDDI, IFM_AVALID, IFM_ACTIVE, \
{ "no ring", "inserted" } }, \
\
{ IFM_TOKEN, IFM_AVALID, IFM_ACTIVE, \
{ "no ring", "inserted" } }, \
\
{ IFM_IEEE80211, IFM_AVALID, IFM_ACTIVE, \
{ "no network", "active" } }, \
\
{ 0, 0, 0, \
{ NULL, NULL } }, \
}
#endif /* _NET_IF_MEDIA_H_ */
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