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Phonet: global definitions

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Signed-off-by: Remi Denis-Courmont <remi.denis-courmont@nokia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Remi Denis-Courmont 2008-09-22 19:51:15 -07:00 committed by David S. Miller
parent 5c1824587f
commit bce7b15426
6 changed files with 153 additions and 4 deletions
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1
include/linux/if_ether.h
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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
include/linux/if_phonet.h Normal file
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@ -0,0 +1,14 @@
/*
* 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

125
include/linux/phonet.h Normal file
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@ -0,0 +1,125 @@
/**
* 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

4
include/linux/rtnetlink.h
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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)

4
include/linux/socket.h
View File

@ -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. */

9
net/core/sock.c
View File

@ -154,7 +154,8 @@ static const char *af_family_key_strings[AF_MAX+1] = {
"sk_lock-AF_PPPOX" , "sk_lock-AF_WANPIPE" , "sk_lock-AF_LLC" ,
"sk_lock-27" , "sk_lock-28" , "sk_lock-AF_CAN" ,
"sk_lock-AF_TIPC" , "sk_lock-AF_BLUETOOTH", "sk_lock-IUCV" ,
"sk_lock-AF_RXRPC" , "sk_lock-AF_ISDN" , "sk_lock-AF_MAX"
"sk_lock-AF_RXRPC" , "sk_lock-AF_ISDN" , "sk_lock-AF_PHONET" ,
"sk_lock-AF_MAX"
};
static const char *af_family_slock_key_strings[AF_MAX+1] = {
"slock-AF_UNSPEC", "slock-AF_UNIX" , "slock-AF_INET" ,
@ -168,7 +169,8 @@ static const char *af_family_slock_key_strings[AF_MAX+1] = {
"slock-AF_PPPOX" , "slock-AF_WANPIPE" , "slock-AF_LLC" ,
"slock-27" , "slock-28" , "slock-AF_CAN" ,
"slock-AF_TIPC" , "slock-AF_BLUETOOTH", "slock-AF_IUCV" ,
"slock-AF_RXRPC" , "slock-AF_ISDN" , "slock-AF_MAX"
"slock-AF_RXRPC" , "slock-AF_ISDN" , "slock-AF_PHONET" ,
"slock-AF_MAX"
};
static const char *af_family_clock_key_strings[AF_MAX+1] = {
"clock-AF_UNSPEC", "clock-AF_UNIX" , "clock-AF_INET" ,
@ -182,7 +184,8 @@ static const char *af_family_clock_key_strings[AF_MAX+1] = {
"clock-AF_PPPOX" , "clock-AF_WANPIPE" , "clock-AF_LLC" ,
"clock-27" , "clock-28" , "clock-AF_CAN" ,
"clock-AF_TIPC" , "clock-AF_BLUETOOTH", "clock-AF_IUCV" ,
"clock-AF_RXRPC" , "clock-AF_ISDN" , "clock-AF_MAX"
"clock-AF_RXRPC" , "clock-AF_ISDN" , "clock-AF_PHONET" ,
"clock-AF_MAX"
};
#endif