1 files changed, 170 insertions, 0 deletions

diff --git a/include/linux/phonet.h b/include/linux/phonet.h
new file mode 100644
index 000000000000..c9609f9aedac
--- /dev/null
+++ b/include/linux/phonet.h
@@ -0,0 +1,170 @@
+/**
+ * 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
+/* 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 PNADDR_ANY              0
+#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)
+
+/* 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_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 {
+        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