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Message-Id: <1221577694-4513-1-git-send-email-remi.denis-courmont@nokia.com>
Date: Tue, 16 Sep 2008 18:08:01 +0300
From: Rémi Denis-Courmont
<remi.denis-courmont@...ia.com>
To: netdev@...r.kernel.org
Subject: [PATCH 01/14] Phonet global definitions
Common global definitions for Phonet.
Signed-off-by: Remi Denis-Courmont <remi.denis-courmont@...ia.com>
---
include/linux/if_ether.h | 1 +
include/linux/if_phonet.h | 14 +++++
include/linux/phonet.h | 133 +++++++++++++++++++++++++++++++++++++++++++++
include/linux/rtnetlink.h | 4 ++
include/linux/socket.h | 4 +-
net/core/sock.c | 9 ++-
6 files changed, 161 insertions(+), 4 deletions(-)
create mode 100644 include/linux/if_phonet.h
create mode 100644 include/linux/phonet.h
diff --git a/include/linux/if_ether.h b/include/linux/if_ether.h
index 5028e0b..723a1c5 100644
--- a/include/linux/if_ether.h
+++ b/include/linux/if_ether.h
@@ -100,6 +100,7 @@
#define ETH_P_ECONET 0x0018 /* Acorn Econet */
#define ETH_P_HDLC 0x0019 /* HDLC frames */
#define ETH_P_ARCNET 0x001A /* 1A for ArcNet :-) */
+#define ETH_P_PHONET 0x00F5 /* Nokia Phonet frames */
/*
* This is an Ethernet frame header.
diff --git a/include/linux/if_phonet.h b/include/linux/if_phonet.h
new file mode 100644
index 0000000..22df25f
--- /dev/null
+++ b/include/linux/if_phonet.h
@@ -0,0 +1,14 @@
+/*
+ * File: if_phonet.h
+ *
+ * Phonet interface kernel definitions
+ *
+ * Copyright (C) 2008 Nokia Corporation. All rights reserved.
+ */
+
+#define PHONET_HEADER_LEN 8 /* Phonet header length */
+
+#define PHONET_MIN_MTU 6
+/* 6 bytes header + 65535 bytes payload */
+#define PHONET_MAX_MTU 65541
+#define PHONET_DEV_MTU PHONET_MAX_MTU
diff --git a/include/linux/phonet.h b/include/linux/phonet.h
new file mode 100644
index 0000000..000b6d7
--- /dev/null
+++ b/include/linux/phonet.h
@@ -0,0 +1,133 @@
+/**
+ * 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
+#define PHONET_NPROTO 2
+
+#define PNADDR_ANY 0
+#define PNPORT_RESOURCE_ROUTING 0
+
+/* Phonet protocol header */
+struct phonethdr {
+ uint8_t rdev;
+ uint8_t sdev;
+ uint8_t function;
+ uint16_t length;
+ uint8_t robj;
+ uint8_t sobj;
+} __attribute__((packed));
+
+/* Phonet message */
+struct phonetmsg {
+ struct phonethdr ph;
+ uint8_t data[0];
+};
+
+/* Phonet socket address structure */
+struct sockaddr_pn {
+ sa_family_t spn_family;
+ uint8_t spn_obj;
+ uint8_t spn_dev;
+ uint8_t spn_resource;
+ uint8_t spn_zero[sizeof(struct sockaddr)
+ - sizeof(sa_family_t) - 3 * sizeof(uint8_t)];
+} __attribute__ ((packed));
+
+static inline uint16_t pn_object(uint8_t addr, uint16_t port)
+{
+ return (addr << 8) | (port & 0x3ff);
+}
+
+static inline uint8_t pn_obj(uint16_t handle)
+{
+ return handle & 0xff;
+}
+
+static inline uint8_t pn_dev(uint16_t handle)
+{
+ return handle >> 8;
+}
+
+static inline uint16_t pn_port(uint16_t handle)
+{
+ return handle & 0x3ff;
+}
+
+static inline uint8_t pn_addr(uint16_t handle)
+{
+ return (handle >> 8) & 0xfc;
+}
+
+static inline void pn_sockaddr_set_addr(struct sockaddr_pn *spn, uint8_t addr)
+{
+ spn->spn_dev &= 0x03;
+ spn->spn_dev |= addr & 0xfc;
+}
+
+static inline void pn_sockaddr_set_port(struct sockaddr_pn *spn,
+ uint16_t 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,
+ uint16_t handle)
+{
+ spn->spn_dev = pn_dev(handle);
+ spn->spn_obj = pn_obj(handle);
+}
+
+static inline void pn_sockaddr_set_resource(struct sockaddr_pn *spn,
+ uint8_t resource)
+{
+ spn->spn_resource = resource;
+}
+
+static inline uint8_t pn_sockaddr_get_addr(const struct sockaddr_pn *spn)
+{
+ return spn->spn_dev & 0xfc;
+}
+
+static inline uint16_t pn_sockaddr_get_port(const struct sockaddr_pn *spn)
+{
+ return ((spn->spn_dev & 0x03) << 8) | spn->spn_obj;
+}
+
+static inline uint16_t pn_sockaddr_get_object(const struct sockaddr_pn *spn)
+{
+ return pn_object(spn->spn_dev, spn->spn_obj);
+}
+
+static inline uint8_t pn_sockaddr_get_resource(const struct sockaddr_pn *spn)
+{
+ return spn->spn_resource;
+}
+
+#endif
diff --git a/include/linux/rtnetlink.h b/include/linux/rtnetlink.h
index ca643b1..2b3d51c 100644
--- a/include/linux/rtnetlink.h
+++ b/include/linux/rtnetlink.h
@@ -582,6 +582,10 @@ enum rtnetlink_groups {
#define RTNLGRP_IPV6_RULE RTNLGRP_IPV6_RULE
RTNLGRP_ND_USEROPT,
#define RTNLGRP_ND_USEROPT RTNLGRP_ND_USEROPT
+ RTNLGRP_PHONET_IFADDR,
+#define RTNLGRP_PHONET_IFADDR RTNLGRP_PHONET_IFADDR
+ RTNLGRP_PHONET_ROUTE,
+#define RTNLGRP_PHONET_ROUTE RTNLGRP_PHONET_ROUTE
__RTNLGRP_MAX
};
#define RTNLGRP_MAX (__RTNLGRP_MAX - 1)
diff --git a/include/linux/socket.h b/include/linux/socket.h
index dc5086f..818ca33 100644
--- a/include/linux/socket.h
+++ b/include/linux/socket.h
@@ -190,7 +190,8 @@ struct ucred {
#define AF_IUCV 32 /* IUCV sockets */
#define AF_RXRPC 33 /* RxRPC sockets */
#define AF_ISDN 34 /* mISDN sockets */
-#define AF_MAX 35 /* For now.. */
+#define AF_PHONET 35 /* Phonet sockets */
+#define AF_MAX 36 /* For now.. */
/* Protocol families, same as address families. */
#define PF_UNSPEC AF_UNSPEC
@@ -227,6 +228,7 @@ struct ucred {
#define PF_IUCV AF_IUCV
#define PF_RXRPC AF_RXRPC
#define PF_ISDN AF_ISDN
+#define PF_PHONET AF_PHONET
#define PF_MAX AF_MAX
/* Maximum queue length specifiable by listen. */
diff --git a/net/core/sock.c b/net/core/sock.c
index d823978..4ce2145 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -154,7 +154,8 @@ static const char *af_family_key_strings[AF_MAX+1] = {
"sk_lock-AF_PPPOX" , "sk_lock-AF_WANPIPE" , "sk_lock-AF_LLC" ,
"sk_lock-27" , "sk_lock-28" , "sk_lock-AF_CAN" ,
"sk_lock-AF_TIPC" , "sk_lock-AF_BLUETOOTH", "sk_lock-IUCV" ,
- "sk_lock-AF_RXRPC" , "sk_lock-AF_MISDN" , "sk_lock-AF_MAX"
+ "sk_lock-AF_RXRPC" , "sk_lock-AF_MISDN" , "sk_lock-AF_PHONET" ,
+ "sk_lock-AF_MAX"
};
static const char *af_family_slock_key_strings[AF_MAX+1] = {
"slock-AF_UNSPEC", "slock-AF_UNIX" , "slock-AF_INET" ,
@@ -168,7 +169,8 @@ static const char *af_family_slock_key_strings[AF_MAX+1] = {
"slock-AF_PPPOX" , "slock-AF_WANPIPE" , "slock-AF_LLC" ,
"slock-27" , "slock-28" , "slock-AF_CAN" ,
"slock-AF_TIPC" , "slock-AF_BLUETOOTH", "slock-AF_IUCV" ,
- "slock-AF_RXRPC" , "slock-AF_MISDN" , "slock-AF_MAX"
+ "slock-AF_RXRPC" , "slock-AF_MISDN" , "slock-AF_PHONET" ,
+ "slock-AF_MAX"
};
static const char *af_family_clock_key_strings[AF_MAX+1] = {
"clock-AF_UNSPEC", "clock-AF_UNIX" , "clock-AF_INET" ,
@@ -182,7 +184,8 @@ static const char *af_family_clock_key_strings[AF_MAX+1] = {
"clock-AF_PPPOX" , "clock-AF_WANPIPE" , "clock-AF_LLC" ,
"clock-27" , "clock-28" , "clock-AF_CAN" ,
"clock-AF_TIPC" , "clock-AF_BLUETOOTH", "clock-AF_IUCV" ,
- "clock-AF_RXRPC" , "clock-AF_MISDN" , "clock-AF_MAX"
+ "clock-AF_RXRPC" , "clock-AF_MISDN" , "clock-AF_PHONET" ,
+ "clock-AF_MAX"
};
#endif
--
1.5.4.3
--
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