net: add NL802154 interface for configuration of 802.15.4 devices

Add a netlink interface for configuration of IEEE 802.15.4 device. Also this
interface specifies events notification sent by devices towards higher layers.
Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Signed-off-by: Sergey Lapin <slapin@ossfans.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

include/linux/nl802154.h

+/*
+ * nl802154.h
+ *
+ * Copyright (C) 2007, 2008, 2009 Siemens AG
+ *
+ * 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 Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ */
+
+#ifndef NL802154_H
+#define NL802154_H
+
+#define IEEE802154_NL_NAME "802.15.4 MAC"
+#define IEEE802154_MCAST_COORD_NAME "coordinator"
+#define IEEE802154_MCAST_BEACON_NAME "beacon"
+
+enum {
+	__IEEE802154_ATTR_INVALID,
+
+	IEEE802154_ATTR_DEV_NAME,
+	IEEE802154_ATTR_DEV_INDEX,
+
+	IEEE802154_ATTR_STATUS,
+
+	IEEE802154_ATTR_SHORT_ADDR,
+	IEEE802154_ATTR_HW_ADDR,
+	IEEE802154_ATTR_PAN_ID,
+
+	IEEE802154_ATTR_CHANNEL,
+
+	IEEE802154_ATTR_COORD_SHORT_ADDR,
+	IEEE802154_ATTR_COORD_HW_ADDR,
+	IEEE802154_ATTR_COORD_PAN_ID,
+
+	IEEE802154_ATTR_SRC_SHORT_ADDR,
+	IEEE802154_ATTR_SRC_HW_ADDR,
+	IEEE802154_ATTR_SRC_PAN_ID,
+
+	IEEE802154_ATTR_DEST_SHORT_ADDR,
+	IEEE802154_ATTR_DEST_HW_ADDR,
+	IEEE802154_ATTR_DEST_PAN_ID,
+
+	IEEE802154_ATTR_CAPABILITY,
+	IEEE802154_ATTR_REASON,
+	IEEE802154_ATTR_SCAN_TYPE,
+	IEEE802154_ATTR_CHANNELS,
+	IEEE802154_ATTR_DURATION,
+	IEEE802154_ATTR_ED_LIST,
+	IEEE802154_ATTR_BCN_ORD,
+	IEEE802154_ATTR_SF_ORD,
+	IEEE802154_ATTR_PAN_COORD,
+	IEEE802154_ATTR_BAT_EXT,
+	IEEE802154_ATTR_COORD_REALIGN,
+	IEEE802154_ATTR_SEC,
+
+	__IEEE802154_ATTR_MAX,
+};
+
+#define IEEE802154_ATTR_MAX (__IEEE802154_ATTR_MAX - 1)
+
+extern struct nla_policy ieee802154_policy[];
+
+/* commands */
+/* REQ should be responded with CONF
+ * and INDIC with RESP
+ */
+enum {
+	__IEEE802154_COMMAND_INVALID,
+
+	IEEE802154_ASSOCIATE_REQ,
+	IEEE802154_ASSOCIATE_CONF,
+	IEEE802154_DISASSOCIATE_REQ,
+	IEEE802154_DISASSOCIATE_CONF,
+	IEEE802154_GET_REQ,
+	IEEE802154_GET_CONF,
+	IEEE802154_RESET_REQ,
+	IEEE802154_RESET_CONF,
+	IEEE802154_SCAN_REQ,
+	IEEE802154_SCAN_CONF,
+	IEEE802154_SET_REQ,
+	IEEE802154_SET_CONF,
+	IEEE802154_START_REQ,
+	IEEE802154_START_CONF,
+	IEEE802154_SYNC_REQ,
+	IEEE802154_POLL_REQ,
+	IEEE802154_POLL_CONF,
+
+	IEEE802154_ASSOCIATE_INDIC,
+	IEEE802154_ASSOCIATE_RESP,
+	IEEE802154_DISASSOCIATE_INDIC,
+	IEEE802154_BEACON_NOTIFY_INDIC,
+	IEEE802154_ORPHAN_INDIC,
+	IEEE802154_ORPHAN_RESP,
+	IEEE802154_COMM_STATUS_INDIC,
+	IEEE802154_SYNC_LOSS_INDIC,
+
+	IEEE802154_GTS_REQ, /* Not supported yet */
+	IEEE802154_GTS_INDIC, /* Not supported yet */
+	IEEE802154_GTS_CONF, /* Not supported yet */
+	IEEE802154_RX_ENABLE_REQ, /* Not supported yet */
+	IEEE802154_RX_ENABLE_CONF, /* Not supported yet */
+
+	__IEEE802154_CMD_MAX,
+};
+
+#define IEEE802154_CMD_MAX (__IEEE802154_CMD_MAX - 1)
+
+#endif

include/net/ieee802154/nl802154.h

+/*
+ * nl802154.h
+ *
+ * Copyright (C) 2007, 2008, 2009 Siemens AG
+ *
+ * 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 Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ */
+
+#ifndef IEEE802154_NL_H
+#define IEEE802154_NL_H
+
+struct net_device;
+struct ieee802154_addr;
+
+int ieee802154_nl_assoc_indic(struct net_device *dev,
+		struct ieee802154_addr *addr, u8 cap);
+int ieee802154_nl_assoc_confirm(struct net_device *dev,
+		u16 short_addr, u8 status);
+int ieee802154_nl_disassoc_indic(struct net_device *dev,
+		struct ieee802154_addr *addr, u8 reason);
+int ieee802154_nl_disassoc_confirm(struct net_device *dev,
+		u8 status);
+int ieee802154_nl_scan_confirm(struct net_device *dev,
+		u8 status, u8 scan_type, u32 unscanned,
+		u8 *edl/*, struct list_head *pan_desc_list */);
+int ieee802154_nl_beacon_indic(struct net_device *dev, u16 panid,
+		u16 coord_addr);
+
+#endif

net/ieee802154/Makefile

-obj-$(CONFIG_IEEE802154) +=	af_802154.o
+obj-$(CONFIG_IEEE802154) +=	nl802154.o af_802154.o
+nl802154-y		:= netlink.o nl_policy.o
 af_802154-y		:= af_ieee802154.o raw.o dgram.o
 
 ccflags-y += -Wall -DDEBUG

net/ieee802154/nl_policy.c

+/*
+ * nl802154.h
+ *
+ * Copyright (C) 2007, 2008 Siemens AG
+ *
+ * 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 Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <net/netlink.h>
+#include <linux/nl802154.h>
+
+#define NLA_HW_ADDR NLA_U64
+
+struct nla_policy ieee802154_policy[IEEE802154_ATTR_MAX + 1] = {
+	[IEEE802154_ATTR_DEV_NAME] = { .type = NLA_STRING, },
+	[IEEE802154_ATTR_DEV_INDEX] = { .type = NLA_U32, },
+
+	[IEEE802154_ATTR_STATUS] = { .type = NLA_U8, },
+	[IEEE802154_ATTR_SHORT_ADDR] = { .type = NLA_U16, },
+	[IEEE802154_ATTR_HW_ADDR] = { .type = NLA_HW_ADDR, },
+	[IEEE802154_ATTR_PAN_ID] = { .type = NLA_U16, },
+	[IEEE802154_ATTR_CHANNEL] = { .type = NLA_U8, },
+	[IEEE802154_ATTR_COORD_SHORT_ADDR] = { .type = NLA_U16, },
+	[IEEE802154_ATTR_COORD_HW_ADDR] = { .type = NLA_HW_ADDR, },
+	[IEEE802154_ATTR_COORD_PAN_ID] = { .type = NLA_U16, },
+	[IEEE802154_ATTR_SRC_SHORT_ADDR] = { .type = NLA_U16, },
+	[IEEE802154_ATTR_SRC_HW_ADDR] = { .type = NLA_HW_ADDR, },
+	[IEEE802154_ATTR_SRC_PAN_ID] = { .type = NLA_U16, },
+	[IEEE802154_ATTR_DEST_SHORT_ADDR] = { .type = NLA_U16, },
+	[IEEE802154_ATTR_DEST_HW_ADDR] = { .type = NLA_HW_ADDR, },
+	[IEEE802154_ATTR_DEST_PAN_ID] = { .type = NLA_U16, },
+
+	[IEEE802154_ATTR_CAPABILITY] = { .type = NLA_U8, },
+	[IEEE802154_ATTR_REASON] = { .type = NLA_U8, },
+	[IEEE802154_ATTR_SCAN_TYPE] = { .type = NLA_U8, },
+	[IEEE802154_ATTR_CHANNELS] = { .type = NLA_U32, },
+	[IEEE802154_ATTR_DURATION] = { .type = NLA_U8, },
+	[IEEE802154_ATTR_ED_LIST] = { .len = 27 },
+};