[GitHub/mt8127/android_kernel_alcatel_ttab.git] / include / uapi / linux / phonet.h

/**
 * 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 */
Commit	Line	Data
607ca46e DH	1	/**
	2	* file phonet.h
	3	*
	4	* Phonet sockets kernel interface
	5	*
	6	* Copyright (C) 2008 Nokia Corporation. All rights reserved.
	7	*
	8	* This program is free software; you can redistribute it and/or
	9	* modify it under the terms of the GNU General Public License
	10	* version 2 as published by the Free Software Foundation.
	11	*
	12	* This program is distributed in the hope that it will be useful, but
	13	* WITHOUT ANY WARRANTY; without even the implied warranty of
	14	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	15	* General Public License for more details.
	16	*
	17	* You should have received a copy of the GNU General Public License
	18	* along with this program; if not, write to the Free Software
	19	* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
	20	* 02110-1301 USA
	21	*/
	22
	23	#ifndef _UAPILINUX_PHONET_H
	24	#define _UAPILINUX_PHONET_H
	25
	26	#include <linux/types.h>
	27	#include <linux/socket.h>
	28
	29	/* Automatic protocol selection */
	30	#define PN_PROTO_TRANSPORT 0
	31	/* Phonet datagram socket */
	32	#define PN_PROTO_PHONET 1
	33	/* Phonet pipe */
	34	#define PN_PROTO_PIPE 2
	35	#define PHONET_NPROTO 3
	36
	37	/* Socket options for SOL_PNPIPE level */
	38	#define PNPIPE_ENCAP 1
	39	#define PNPIPE_IFINDEX 2
	40	#define PNPIPE_HANDLE 3
	41	#define PNPIPE_INITSTATE 4
	42
	43	#define PNADDR_ANY 0
	44	#define PNADDR_BROADCAST 0xFC
	45	#define PNPORT_RESOURCE_ROUTING 0
	46
	47	/* Values for PNPIPE_ENCAP option */
	48	#define PNPIPE_ENCAP_NONE 0
	49	#define PNPIPE_ENCAP_IP 1
	50
	51	/* ioctls */
	52	#define SIOCPNGETOBJECT (SIOCPROTOPRIVATE + 0)
	53	#define SIOCPNENABLEPIPE (SIOCPROTOPRIVATE + 13)
	54	#define SIOCPNADDRESOURCE (SIOCPROTOPRIVATE + 14)
	55	#define SIOCPNDELRESOURCE (SIOCPROTOPRIVATE + 15)
	56
	57	/* Phonet protocol header */
	58	struct phonethdr {
	59	__u8 pn_rdev;
	60	__u8 pn_sdev;
	61	__u8 pn_res;
	62	__be16 pn_length;
	63	__u8 pn_robj;
	64	__u8 pn_sobj;
65	} __attribute__((packed));
66
67	/* Common Phonet payload header */
68	struct phonetmsg {
69	__u8 pn_trans_id; /* transaction ID */
70	__u8 pn_msg_id; /* message type */
71	union {
72	struct {
73	__u8 pn_submsg_id; /* message subtype */
74	__u8 pn_data[5];
75	} base;
76	struct {
77	__u16 pn_e_res_id; /* extended resource ID */
78	__u8 pn_e_submsg_id; /* message subtype */
79	__u8 pn_e_data[3];
80	} ext;
81	} pn_msg_u;
82	};
83	#define PN_COMMON_MESSAGE 0xF0
84	#define PN_COMMGR 0x10
85	#define PN_PREFIX 0xE0 /* resource for extended messages */
86	#define pn_submsg_id pn_msg_u.base.pn_submsg_id
87	#define pn_e_submsg_id pn_msg_u.ext.pn_e_submsg_id
88	#define pn_e_res_id pn_msg_u.ext.pn_e_res_id
89	#define pn_data pn_msg_u.base.pn_data
90	#define pn_e_data pn_msg_u.ext.pn_e_data
91
92	/* data for unreachable errors */
93	#define PN_COMM_SERVICE_NOT_IDENTIFIED_RESP 0x01
94	#define PN_COMM_ISA_ENTITY_NOT_REACHABLE_RESP 0x14
95	#define pn_orig_msg_id pn_data[0]
96	#define pn_status pn_data[1]
97	#define pn_e_orig_msg_id pn_e_data[0]
98	#define pn_e_status pn_e_data[1]
99
100	/* Phonet socket address structure */
101	struct sockaddr_pn {
102	__kernel_sa_family_t spn_family;
103	__u8 spn_obj;
104	__u8 spn_dev;
105	__u8 spn_resource;
106	__u8 spn_zero[sizeof(struct sockaddr) - sizeof(__kernel_sa_family_t) - 3];
107	} __attribute__((packed));
108
109	/* Well known address */
110	#define PN_DEV_PC 0x10
111
112	static inline __u16 pn_object(__u8 addr, __u16 port)
113	{
114	return (addr << 8) \| (port & 0x3ff);
115	}
116
117	static inline __u8 pn_obj(__u16 handle)
118	{
119	return handle & 0xff;
120	}
121
122	static inline __u8 pn_dev(__u16 handle)
123	{
124	return handle >> 8;
125	}
126
127	static inline __u16 pn_port(__u16 handle)
128	{
129	return handle & 0x3ff;
130	}
131
132	static inline __u8 pn_addr(__u16 handle)
133	{
134	return (handle >> 8) & 0xfc;
135	}
136
137	static inline void pn_sockaddr_set_addr(struct sockaddr_pn *spn, __u8 addr)
138	{
139	spn->spn_dev &= 0x03;
140	spn->spn_dev \|= addr & 0xfc;
141	}
142
143	static inline void pn_sockaddr_set_port(struct sockaddr_pn *spn, __u16 port)
144	{
145	spn->spn_dev &= 0xfc;
146	spn->spn_dev \|= (port >> 8) & 0x03;
147	spn->spn_obj = port & 0xff;
148	}
149
150	static inline void pn_sockaddr_set_object(struct sockaddr_pn *spn,
151	__u16 handle)
152	{
153	spn->spn_dev = pn_dev(handle);
154	spn->spn_obj = pn_obj(handle);
155	}
156
157	static inline void pn_sockaddr_set_resource(struct sockaddr_pn *spn,
158	__u8 resource)
159	{
160	spn->spn_resource = resource;
161	}
162
163	static inline __u8 pn_sockaddr_get_addr(const struct sockaddr_pn *spn)
164	{
165	return spn->spn_dev & 0xfc;
166	}
167
168	static inline __u16 pn_sockaddr_get_port(const struct sockaddr_pn *spn)
169	{
170	return ((spn->spn_dev & 0x03) << 8) \| spn->spn_obj;
171	}
172
173	static inline __u16 pn_sockaddr_get_object(const struct sockaddr_pn *spn)
174	{
175	return pn_object(spn->spn_dev, spn->spn_obj);
176	}
177
178	static inline __u8 pn_sockaddr_get_resource(const struct sockaddr_pn *spn)
179	{
180	return spn->spn_resource;
181	}
182
183	/* Phonet device ioctl requests */
184
185	#endif /* _UAPILINUX_PHONET_H */