4 * Phonet sockets kernel interface
6 * Copyright (C) 2008 Nokia Corporation. All rights reserved.
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.
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.
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
23 #ifndef LINUX_PHONET_H
24 #define LINUX_PHONET_H
26 /* Automatic protocol selection */
27 #define PN_PROTO_TRANSPORT 0
28 /* Phonet datagram socket */
29 #define PN_PROTO_PHONET 1
30 #define PHONET_NPROTO 2
33 #define PNPORT_RESOURCE_ROUTING 0
36 #define SIOCPNGETOBJECT (SIOCPROTOPRIVATE + 0)
38 /* Phonet protocol header */
46 } __attribute__((packed));
48 /* Common Phonet payload header */
50 __u8 pn_trans_id; /* transaction ID */
51 __u8 pn_msg_id; /* message type */
54 __u8 pn_submsg_id; /* message subtype */
58 __u16 pn_e_res_id; /* extended resource ID */
59 __u8 pn_e_submsg_id; /* message subtype */
64 #define PN_COMMON_MESSAGE 0xF0
65 #define PN_PREFIX 0xE0 /* resource for extended messages */
66 #define pn_submsg_id pn_msg_u.base.pn_submsg_id
67 #define pn_e_submsg_id pn_msg_u.ext.pn_e_submsg_id
68 #define pn_e_res_id pn_msg_u.ext.pn_e_res_id
69 #define pn_data pn_msg_u.base.pn_data
70 #define pn_e_data pn_msg_u.ext.pn_e_data
72 /* data for unreachable errors */
73 #define PN_COMM_SERVICE_NOT_IDENTIFIED_RESP 0x01
74 #define PN_COMM_ISA_ENTITY_NOT_REACHABLE_RESP 0x14
75 #define pn_orig_msg_id pn_data[0]
76 #define pn_status pn_data[1]
77 #define pn_e_orig_msg_id pn_e_data[0]
78 #define pn_e_status pn_e_data[1]
80 /* Phonet socket address structure */
82 sa_family_t spn_family;
86 __u8 spn_zero[sizeof(struct sockaddr) - sizeof(sa_family_t) - 3];
87 } __attribute__ ((packed));
89 static inline __u16 pn_object(__u8 addr, __u16 port)
91 return (addr << 8) | (port & 0x3ff);
94 static inline __u8 pn_obj(__u16 handle)
99 static inline __u8 pn_dev(__u16 handle)
104 static inline __u16 pn_port(__u16 handle)
106 return handle & 0x3ff;
109 static inline __u8 pn_addr(__u16 handle)
111 return (handle >> 8) & 0xfc;
114 static inline void pn_sockaddr_set_addr(struct sockaddr_pn *spn, __u8 addr)
116 spn->spn_dev &= 0x03;
117 spn->spn_dev |= addr & 0xfc;
120 static inline void pn_sockaddr_set_port(struct sockaddr_pn *spn, __u16 port)
122 spn->spn_dev &= 0xfc;
123 spn->spn_dev |= (port >> 8) & 0x03;
124 spn->spn_obj = port & 0xff;
127 static inline void pn_sockaddr_set_object(struct sockaddr_pn *spn,
130 spn->spn_dev = pn_dev(handle);
131 spn->spn_obj = pn_obj(handle);
134 static inline void pn_sockaddr_set_resource(struct sockaddr_pn *spn,
137 spn->spn_resource = resource;
140 static inline __u8 pn_sockaddr_get_addr(const struct sockaddr_pn *spn)
142 return spn->spn_dev & 0xfc;
145 static inline __u16 pn_sockaddr_get_port(const struct sockaddr_pn *spn)
147 return ((spn->spn_dev & 0x03) << 8) | spn->spn_obj;
150 static inline __u16 pn_sockaddr_get_object(const struct sockaddr_pn *spn)
152 return pn_object(spn->spn_dev, spn->spn_obj);
155 static inline __u8 pn_sockaddr_get_resource(const struct sockaddr_pn *spn)
157 return spn->spn_resource;