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 #include <linux/types.h>
28 /* Automatic protocol selection */
29 #define PN_PROTO_TRANSPORT 0
30 /* Phonet datagram socket */
31 #define PN_PROTO_PHONET 1
33 #define PN_PROTO_PIPE 2
34 #define PHONET_NPROTO 3
36 /* Socket options for SOL_PNPIPE level */
37 #define PNPIPE_ENCAP 1
38 #define PNPIPE_IFINDEX 2
41 #define PNADDR_BROADCAST 0xFC
42 #define PNPORT_RESOURCE_ROUTING 0
44 /* Values for PNPIPE_ENCAP option */
45 #define PNPIPE_ENCAP_NONE 0
46 #define PNPIPE_ENCAP_IP 1
49 #define SIOCPNGETOBJECT (SIOCPROTOPRIVATE + 0)
51 /* Phonet protocol header */
61 /* Common Phonet payload header */
63 __u8 pn_trans_id; /* transaction ID */
64 __u8 pn_msg_id; /* message type */
67 __u8 pn_submsg_id; /* message subtype */
71 __u16 pn_e_res_id; /* extended resource ID */
72 __u8 pn_e_submsg_id; /* message subtype */
77 #define PN_COMMON_MESSAGE 0xF0
78 #define PN_COMMGR 0x10
79 #define PN_PREFIX 0xE0 /* resource for extended messages */
80 #define pn_submsg_id pn_msg_u.base.pn_submsg_id
81 #define pn_e_submsg_id pn_msg_u.ext.pn_e_submsg_id
82 #define pn_e_res_id pn_msg_u.ext.pn_e_res_id
83 #define pn_data pn_msg_u.base.pn_data
84 #define pn_e_data pn_msg_u.ext.pn_e_data
86 /* data for unreachable errors */
87 #define PN_COMM_SERVICE_NOT_IDENTIFIED_RESP 0x01
88 #define PN_COMM_ISA_ENTITY_NOT_REACHABLE_RESP 0x14
89 #define pn_orig_msg_id pn_data[0]
90 #define pn_status pn_data[1]
91 #define pn_e_orig_msg_id pn_e_data[0]
92 #define pn_e_status pn_e_data[1]
94 /* Phonet socket address structure */
96 sa_family_t spn_family;
100 __u8 spn_zero[sizeof(struct sockaddr) - sizeof(sa_family_t) - 3];
103 /* Well known address */
104 #define PN_DEV_PC 0x10
106 static inline __u16 pn_object(__u8 addr, __u16 port)
108 return (addr << 8) | (port & 0x3ff);
111 static inline __u8 pn_obj(__u16 handle)
113 return handle & 0xff;
116 static inline __u8 pn_dev(__u16 handle)
121 static inline __u16 pn_port(__u16 handle)
123 return handle & 0x3ff;
126 static inline __u8 pn_addr(__u16 handle)
128 return (handle >> 8) & 0xfc;
131 static inline void pn_sockaddr_set_addr(struct sockaddr_pn *spn, __u8 addr)
133 spn->spn_dev &= 0x03;
134 spn->spn_dev |= addr & 0xfc;
137 static inline void pn_sockaddr_set_port(struct sockaddr_pn *spn, __u16 port)
139 spn->spn_dev &= 0xfc;
140 spn->spn_dev |= (port >> 8) & 0x03;
141 spn->spn_obj = port & 0xff;
144 static inline void pn_sockaddr_set_object(struct sockaddr_pn *spn,
147 spn->spn_dev = pn_dev(handle);
148 spn->spn_obj = pn_obj(handle);
151 static inline void pn_sockaddr_set_resource(struct sockaddr_pn *spn,
154 spn->spn_resource = resource;
157 static inline __u8 pn_sockaddr_get_addr(const struct sockaddr_pn *spn)
159 return spn->spn_dev & 0xfc;
162 static inline __u16 pn_sockaddr_get_port(const struct sockaddr_pn *spn)
164 return ((spn->spn_dev & 0x03) << 8) | spn->spn_obj;
167 static inline __u16 pn_sockaddr_get_object(const struct sockaddr_pn *spn)
169 return pn_object(spn->spn_dev, spn->spn_obj);
172 static inline __u8 pn_sockaddr_get_resource(const struct sockaddr_pn *spn)
174 return spn->spn_resource;
177 /* Phonet device ioctl requests */
179 #define SIOCPNGAUTOCONF (SIOCDEVPRIVATE + 0)
181 struct if_phonet_autoconf {
185 struct if_phonet_req {
186 char ifr_phonet_name[16];
188 struct if_phonet_autoconf ifru_phonet_autoconf;
191 #define ifr_phonet_autoconf ifr_ifru.ifru_phonet_autoconf
192 #endif /* __KERNEL__ */