/* $NetBSD: if_arp.h,v 1.25 2005/12/10 23:21:38 elad Exp $ */ /* * Copyright (c) 1986, 1993 * The Regents of the University of California. 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. * 3. Neither the name of the University 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 REGENTS 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 REGENTS 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. * * @(#)if_arp.h 8.1 (Berkeley) 6/10/93 */ #ifndef _NET_IF_ARP_H_ #define _NET_IF_ARP_H_ /* * Address Resolution Protocol. * * See RFC 826 for protocol description. ARP packets are variable * in size; the arphdr structure defines the fixed-length portion. * Protocol type values are the same as those for 10 Mb/s Ethernet. * It is followed by the variable-sized fields ar_sha, arp_spa, * arp_tha and arp_tpa in that order, according to the lengths * specified. Field names used correspond to RFC 826. */ struct arphdr { u_int16_t ar_hrd; /* format of hardware address */ #define ARPHRD_ETHER 1 /* ethernet hardware format */ #define ARPHRD_IEEE802 6 /* IEEE 802 hardware format */ #define ARPHRD_ARCNET 7 /* ethernet hardware format */ #define ARPHRD_FRELAY 15 /* frame relay hardware format */ #define ARPHRD_STRIP 23 /* Ricochet Starmode Radio hardware format */ #define ARPHRD_IEEE1394 24 /* IEEE 1394 (FireWire) hardware format */ u_int16_t ar_pro; /* format of protocol address */ u_int8_t ar_hln; /* length of hardware address */ u_int8_t ar_pln; /* length of protocol address */ u_int16_t ar_op; /* one of: */ #define ARPOP_REQUEST 1 /* request to resolve address */ #define ARPOP_REPLY 2 /* response to previous request */ #define ARPOP_REVREQUEST 3 /* request protocol address given hardware */ #define ARPOP_REVREPLY 4 /* response giving protocol address */ #define ARPOP_INVREQUEST 8 /* request to identify peer */ #define ARPOP_INVREPLY 9 /* response identifying peer */ /* * The remaining fields are variable in size, * according to the sizes above. */ #ifdef COMMENT_ONLY u_int8_t ar_sha[]; /* sender hardware address */ u_int8_t ar_spa[]; /* sender protocol address */ u_int8_t ar_tha[]; /* target hardware address */ u_int8_t ar_tpa[]; /* target protocol address */ #endif #define ar_sha(ap) (((caddr_t)((ap)+1))+0) #define ar_spa(ap) (((caddr_t)((ap)+1))+(ap)->ar_hln) #define ar_tha(ap) \ (ntohs((ap)->ar_hrd) == ARPHRD_IEEE1394 \ ? NULL : (((caddr_t)((ap)+1))+(ap)->ar_hln+(ap)->ar_pln)) #define ar_tpa(ap) \ (ntohs((ap)->ar_hrd) == ARPHRD_IEEE1394 \ ? (((caddr_t)((ap)+1))+(ap)->ar_hln+(ap)->ar_pln) \ : (((caddr_t)((ap)+1))+(ap)->ar_hln+(ap)->ar_pln+(ap)->ar_hln)) } __attribute__((__packed__)); /* * ARP ioctl request */ struct arpreq { struct sockaddr arp_pa; /* protocol address */ struct sockaddr arp_ha; /* hardware address */ int arp_flags; /* flags */ }; /* arp_flags and at_flags field values */ #define ATF_INUSE 0x01 /* entry in use */ #define ATF_COM 0x02 /* completed entry (enaddr valid) */ #define ATF_PERM 0x04 /* permanent entry */ #define ATF_PUBL 0x08 /* publish entry (respond for other host) */ #define ATF_USETRAILERS 0x10 /* has requested trailers */ /* * Kernel statistics about arp */ struct arpstat { u_quad_t as_sndtotal; /* total packets sent */ u_quad_t as_sndreply; /* replies sent */ u_quad_t as_sndrequest; /* requests sent */ u_quad_t as_rcvtotal; /* total packets received */ u_quad_t as_rcvrequest; /* valid requests received */ u_quad_t as_rcvreply; /* replies received */ u_quad_t as_rcvmcast; /* multicast/broadcast received */ u_quad_t as_rcvbadproto; /* unknown protocol type received */ u_quad_t as_rcvbadlen; /* bad (short) length received */ u_quad_t as_rcvzerotpa; /* received w/ null target ip */ u_quad_t as_rcvzerospa; /* received w/ null src ip */ u_quad_t as_rcvnoint; /* couldn't map to interface */ u_quad_t as_rcvlocalsha; /* received from local hw address */ u_quad_t as_rcvbcastsha; /* received w/ broadcast src */ u_quad_t as_rcvlocalspa; /* received for a local ip [dup!] */ u_quad_t as_rcvoverperm; /* attempts to overwrite static info */ u_quad_t as_rcvoverint; /* attempts to overwrite wrong if */ u_quad_t as_rcvover; /* entries overwritten! */ u_quad_t as_rcvlenchg; /* changes in hw add len */ u_quad_t as_dfrtotal; /* deferred pending ARP resolution. */ u_quad_t as_dfrsent; /* deferred, then sent */ u_quad_t as_dfrdropped; /* deferred, then dropped */ u_quad_t as_allocfail; /* Failures to allocate llinfo */ }; #endif /* !_NET_IF_ARP_H_ */ pan>use disk_init() wrapper function instead of poking data structures.mlelstv 2014-07-25Add d_discard to all struct cdevsw instances I could find.dholland 2014-07-25Add d_discard to all struct bdevsw instances I could find.dholland 2014-07-13"peripheral", not "peripherial".dholland 2014-04-06add Microchip MCP23S17 GPIO driverkardel 2014-03-29Add optical joystick support for NetWalker.hkenken 2014-03-28Fix printf formating in DPRINTF.hkenken 2014-02-28G/C sys/simplelock.h includesskrll 2014-02-25Add preliminary driver for Microchip MCP48x1 family of DACs.rkujawa 2014-01-28Remove an unused variablemartin 2013-10-26Add support for M25P16, tested on Raspberry PI with Digilent PmodSF.rkujawa 2013-04-21Add support for STMicro M25PX64 and Numonyx N25Q128.rkujawa 2013-02-15Fix wrong calculation of destination pointer in writes.rkujawa 2013-02-15Fix usage of uninitialised variable holding number of slave devices.rkujawa 2013-01-04Don't leak condvars and mutexes, even if they are on the stack.jakllsch 2011-07-08initialise chuck_rptr as well, instead of chuck_read twice.mrg 2011-06-20Initialize sensor state before registeringpgoyette 2011-06-08- Use IPL_BIO (instead of IPL_SERIAL) for SPI.rmind 2010-08-14Fix the while condition: sleep while the SPI_F_DONE bit is not set.jym 2009-05-12struct device * -> device_t, no functional changes intended.cegger 2009-01-13g/c BUFQ_FOO() macros and use bufq_foo() directly.yamt 2008-06-11use device_lookup_private to get softccegger 2008-05-04device_t/softc split.xtraeme 2008-04-05use aprint_*_dev and device_xnamecegger 2008-04-04Split device_t/softc and other related cosmetic changes.xtraeme 2008-01-08explicitly include simplelock.hdogcow 2007-11-16Extend the envsys2 API (one more time, sorry) as defined in:xtraeme 2007-07-29It's not a good idea for device drivers to modify b_flags, as they don'tad 2007-07-19Fix the kthread_create(9) call so this compiles again.dyoung 2007-07-09Merge some of the less invasive changes from the vmlocking branch:ad 2007-07-01Imported envsys 2, a brief description of the new features:xtraeme 2007-03-04Kill caddr_t; there will be some MI fallout, but it will be fixed shortly.christos 2006-12-25Spell "separate" correctly. From Zafer Aydogan.wiz 2006-11-24fix spelling of accommodate; from Zapher.christos 2006-10-20This commit provides substantial fixes and functionality for SPI flash.gdamore 2006-10-07Add spiflash driver, and M25P instance, used for STMicro flash devicesgdamore 2006-10-02Initial commit of SPI bus (also known as Microwire) framework, along withgdamore