Commit bce7b154 authored by Remi Denis-Courmont's avatar Remi Denis-Courmont Committed by David S. Miller
Browse files

Phonet: global definitions

parent 5c182458
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+1 −0
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@@ -100,6 +100,7 @@
#define ETH_P_ECONET	0x0018		/* Acorn Econet			*/
#define ETH_P_HDLC	0x0019		/* HDLC frames			*/
#define ETH_P_ARCNET	0x001A		/* 1A for ArcNet :-)            */
#define ETH_P_PHONET	0x00F5		/* Nokia Phonet frames          */

/*
 *	This is an Ethernet frame header.
+14 −0
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/*
 * File: if_phonet.h
 *
 * Phonet interface kernel definitions
 *
 * Copyright (C) 2008 Nokia Corporation. All rights reserved.
 */

#define PHONET_HEADER_LEN	8	/* Phonet header length */

#define PHONET_MIN_MTU		6
/* 6 bytes header + 65535 bytes payload */
#define PHONET_MAX_MTU		65541
#define PHONET_DEV_MTU		PHONET_MAX_MTU

include/linux/phonet.h

0 → 100644
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/**
 * file phonet.h
 *
 * Phonet sockets kernel interface
 *
 * Copyright (C) 2008 Nokia Corporation. All rights reserved.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * version 2 as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA
 */

#ifndef LINUX_PHONET_H
#define LINUX_PHONET_H

/* Automatic protocol selection */
#define PN_PROTO_TRANSPORT	0
/* Phonet datagram socket */
#define PN_PROTO_PHONET		1
#define PHONET_NPROTO		2

#define PNADDR_ANY		0
#define PNPORT_RESOURCE_ROUTING	0

/* Phonet protocol header */
struct phonethdr {
	__u8	pn_rdev;
	__u8	pn_sdev;
	__u8	pn_res;
	__be16	pn_length;
	__u8	pn_robj;
	__u8	pn_sobj;
} __attribute__((packed));

/* Phonet socket address structure */
struct sockaddr_pn {
	sa_family_t spn_family;
	__u8 spn_obj;
	__u8 spn_dev;
	__u8 spn_resource;
	__u8 spn_zero[sizeof(struct sockaddr) - sizeof(sa_family_t) - 3];
} __attribute__ ((packed));

static inline __u16 pn_object(__u8 addr, __u16 port)
{
	return (addr << 8) | (port & 0x3ff);
}

static inline __u8 pn_obj(__u16 handle)
{
	return handle & 0xff;
}

static inline __u8 pn_dev(__u16 handle)
{
	return handle >> 8;
}

static inline __u16 pn_port(__u16 handle)
{
	return handle & 0x3ff;
}

static inline __u8 pn_addr(__u16 handle)
{
	return (handle >> 8) & 0xfc;
}

static inline void pn_sockaddr_set_addr(struct sockaddr_pn *spn, __u8 addr)
{
	spn->spn_dev &= 0x03;
	spn->spn_dev |= addr & 0xfc;
}

static inline void pn_sockaddr_set_port(struct sockaddr_pn *spn, __u16 port)
{
	spn->spn_dev &= 0xfc;
	spn->spn_dev |= (port >> 8) & 0x03;
	spn->spn_obj = port & 0xff;
}

static inline void pn_sockaddr_set_object(struct sockaddr_pn *spn,
						__u16 handle)
{
	spn->spn_dev = pn_dev(handle);
	spn->spn_obj = pn_obj(handle);
}

static inline void pn_sockaddr_set_resource(struct sockaddr_pn *spn,
						__u8 resource)
{
	spn->spn_resource = resource;
}

static inline __u8 pn_sockaddr_get_addr(const struct sockaddr_pn *spn)
{
	return spn->spn_dev & 0xfc;
}

static inline __u16 pn_sockaddr_get_port(const struct sockaddr_pn *spn)
{
	return ((spn->spn_dev & 0x03) << 8) | spn->spn_obj;
}

static inline __u16 pn_sockaddr_get_object(const struct sockaddr_pn *spn)
{
	return pn_object(spn->spn_dev, spn->spn_obj);
}

static inline __u8 pn_sockaddr_get_resource(const struct sockaddr_pn *spn)
{
	return spn->spn_resource;
}

#endif
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@@ -582,6 +582,10 @@ enum rtnetlink_groups {
#define RTNLGRP_IPV6_RULE	RTNLGRP_IPV6_RULE
	RTNLGRP_ND_USEROPT,
#define RTNLGRP_ND_USEROPT	RTNLGRP_ND_USEROPT
	RTNLGRP_PHONET_IFADDR,
#define RTNLGRP_PHONET_IFADDR	RTNLGRP_PHONET_IFADDR
	RTNLGRP_PHONET_ROUTE,
#define RTNLGRP_PHONET_ROUTE	RTNLGRP_PHONET_ROUTE
	__RTNLGRP_MAX
};
#define RTNLGRP_MAX	(__RTNLGRP_MAX - 1)
+3 −1
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@@ -190,7 +190,8 @@ struct ucred {
#define AF_IUCV		32	/* IUCV sockets			*/
#define AF_RXRPC	33	/* RxRPC sockets 		*/
#define AF_ISDN		34	/* mISDN sockets 		*/
#define AF_MAX		35	/* For now.. */
#define AF_PHONET	35	/* Phonet sockets		*/
#define AF_MAX		36	/* For now.. */

/* Protocol families, same as address families. */
#define PF_UNSPEC	AF_UNSPEC
@@ -227,6 +228,7 @@ struct ucred {
#define PF_IUCV		AF_IUCV
#define PF_RXRPC	AF_RXRPC
#define PF_ISDN		AF_ISDN
#define PF_PHONET	AF_PHONET
#define PF_MAX		AF_MAX

/* Maximum queue length specifiable by listen.  */
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