186 lines
4.5 KiB
C
186 lines
4.5 KiB
C
/**
|
|
* 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 _UAPILINUX_PHONET_H
|
|
#define _UAPILINUX_PHONET_H
|
|
|
|
#include <linux/types.h>
|
|
#include <linux/socket.h>
|
|
|
|
/* Automatic protocol selection */
|
|
#define PN_PROTO_TRANSPORT 0
|
|
/* Phonet datagram socket */
|
|
#define PN_PROTO_PHONET 1
|
|
/* Phonet pipe */
|
|
#define PN_PROTO_PIPE 2
|
|
#define PHONET_NPROTO 3
|
|
|
|
/* Socket options for SOL_PNPIPE level */
|
|
#define PNPIPE_ENCAP 1
|
|
#define PNPIPE_IFINDEX 2
|
|
#define PNPIPE_HANDLE 3
|
|
#define PNPIPE_INITSTATE 4
|
|
|
|
#define PNADDR_ANY 0
|
|
#define PNADDR_BROADCAST 0xFC
|
|
#define PNPORT_RESOURCE_ROUTING 0
|
|
|
|
/* Values for PNPIPE_ENCAP option */
|
|
#define PNPIPE_ENCAP_NONE 0
|
|
#define PNPIPE_ENCAP_IP 1
|
|
|
|
/* ioctls */
|
|
#define SIOCPNGETOBJECT (SIOCPROTOPRIVATE + 0)
|
|
#define SIOCPNENABLEPIPE (SIOCPROTOPRIVATE + 13)
|
|
#define SIOCPNADDRESOURCE (SIOCPROTOPRIVATE + 14)
|
|
#define SIOCPNDELRESOURCE (SIOCPROTOPRIVATE + 15)
|
|
|
|
/* 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));
|
|
|
|
/* Common Phonet payload header */
|
|
struct phonetmsg {
|
|
__u8 pn_trans_id; /* transaction ID */
|
|
__u8 pn_msg_id; /* message type */
|
|
union {
|
|
struct {
|
|
__u8 pn_submsg_id; /* message subtype */
|
|
__u8 pn_data[5];
|
|
} base;
|
|
struct {
|
|
__u16 pn_e_res_id; /* extended resource ID */
|
|
__u8 pn_e_submsg_id; /* message subtype */
|
|
__u8 pn_e_data[3];
|
|
} ext;
|
|
} pn_msg_u;
|
|
};
|
|
#define PN_COMMON_MESSAGE 0xF0
|
|
#define PN_COMMGR 0x10
|
|
#define PN_PREFIX 0xE0 /* resource for extended messages */
|
|
#define pn_submsg_id pn_msg_u.base.pn_submsg_id
|
|
#define pn_e_submsg_id pn_msg_u.ext.pn_e_submsg_id
|
|
#define pn_e_res_id pn_msg_u.ext.pn_e_res_id
|
|
#define pn_data pn_msg_u.base.pn_data
|
|
#define pn_e_data pn_msg_u.ext.pn_e_data
|
|
|
|
/* data for unreachable errors */
|
|
#define PN_COMM_SERVICE_NOT_IDENTIFIED_RESP 0x01
|
|
#define PN_COMM_ISA_ENTITY_NOT_REACHABLE_RESP 0x14
|
|
#define pn_orig_msg_id pn_data[0]
|
|
#define pn_status pn_data[1]
|
|
#define pn_e_orig_msg_id pn_e_data[0]
|
|
#define pn_e_status pn_e_data[1]
|
|
|
|
/* Phonet socket address structure */
|
|
struct sockaddr_pn {
|
|
__kernel_sa_family_t spn_family;
|
|
__u8 spn_obj;
|
|
__u8 spn_dev;
|
|
__u8 spn_resource;
|
|
__u8 spn_zero[sizeof(struct sockaddr) - sizeof(__kernel_sa_family_t) - 3];
|
|
} __attribute__((packed));
|
|
|
|
/* Well known address */
|
|
#define PN_DEV_PC 0x10
|
|
|
|
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;
|
|
}
|
|
|
|
/* Phonet device ioctl requests */
|
|
|
|
#endif /* _UAPILINUX_PHONET_H */
|