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

Phonet: global definitions 



Signed-off-by: default avatarRemi Denis-Courmont <remi.denis-courmont@nokia.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 5c182458

include/linux/if_ether.h

+1 −0
Original line number Diff line number Diff line
@@ -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.

include/linux/if_phonet.h

0 → 100644
+14 −0
Original line number Diff line number Diff line 
/*

 * 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
+125 −0
Original line number Diff line number Diff line 
/**

 * 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

include/linux/rtnetlink.h

+4 −0
Original line number Diff line number Diff line
@@ -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)

include/linux/socket.h

+3 −1
Original line number Diff line number Diff line
@@ -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.  */