net: add NL802154 interface for configuration of 802.15.4 devices
Sergey Lapin [Mon, 8 Jun 2009 12:18:49 +0000 (12:18 +0000)]
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 [new file with mode: 0644]
include/net/ieee802154/nl802154.h [new file with mode: 0644]
net/ieee802154/Makefile
net/ieee802154/netlink.c [new file with mode: 0644]
net/ieee802154/nl_policy.c [new file with mode: 0644]

diff --git a/include/linux/nl802154.h b/include/linux/nl802154.h
new file mode 100644 (file)
index 0000000..2cda00c
--- /dev/null
@@ -0,0 +1,119 @@
+/*
+ * 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
diff --git a/include/net/ieee802154/nl802154.h b/include/net/ieee802154/nl802154.h
new file mode 100644 (file)
index 0000000..78efcdf
--- /dev/null
@@ -0,0 +1,41 @@
+/*
+ * 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
index 7451c7c..f99338a 100644 (file)
@@ -1,4 +1,5 @@
-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
diff --git a/net/ieee802154/netlink.c b/net/ieee802154/netlink.c
new file mode 100644 (file)
index 0000000..105ad10
--- /dev/null
@@ -0,0 +1,523 @@
+/*
+ * Netlink inteface for IEEE 802.15.4 stack
+ *
+ * Copyright 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.
+ *
+ * Written by:
+ * Sergey Lapin <slapin@ossfans.org>
+ * Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
+ */
+
+#include <linux/kernel.h>
+#include <linux/if_arp.h>
+#include <linux/netdevice.h>
+#include <net/netlink.h>
+#include <net/genetlink.h>
+#include <linux/nl802154.h>
+#include <net/ieee802154/af_ieee802154.h>
+#include <net/ieee802154/nl802154.h>
+#include <net/ieee802154/netdevice.h>
+
+static unsigned int ieee802154_seq_num;
+
+static struct genl_family ieee802154_coordinator_family = {
+       .id             = GENL_ID_GENERATE,
+       .hdrsize        = 0,
+       .name           = IEEE802154_NL_NAME,
+       .version        = 1,
+       .maxattr        = IEEE802154_ATTR_MAX,
+};
+
+static struct genl_multicast_group ieee802154_coord_mcgrp = {
+       .name           = IEEE802154_MCAST_COORD_NAME,
+};
+
+static struct genl_multicast_group ieee802154_beacon_mcgrp = {
+       .name           = IEEE802154_MCAST_BEACON_NAME,
+};
+
+/* Requests to userspace */
+static struct sk_buff *ieee802154_nl_create(int flags, u8 req)
+{
+       void *hdr;
+       struct sk_buff *msg = nlmsg_new(NLMSG_GOODSIZE, GFP_ATOMIC);
+
+       if (!msg)
+               return NULL;
+
+       hdr = genlmsg_put(msg, 0, ieee802154_seq_num++,
+                       &ieee802154_coordinator_family, flags, req);
+       if (!hdr) {
+               nlmsg_free(msg);
+               return NULL;
+       }
+
+       return msg;
+}
+
+static int ieee802154_nl_finish(struct sk_buff *msg)
+{
+       /* XXX: nlh is right at the start of msg */
+       void *hdr = genlmsg_data(NLMSG_DATA(msg->data));
+
+       if (!genlmsg_end(msg, hdr))
+               goto out;
+
+       return genlmsg_multicast(msg, 0, ieee802154_coord_mcgrp.id,
+                       GFP_ATOMIC);
+out:
+       nlmsg_free(msg);
+       return -ENOBUFS;
+}
+
+int ieee802154_nl_assoc_indic(struct net_device *dev,
+               struct ieee802154_addr *addr, u8 cap)
+{
+       struct sk_buff *msg;
+
+       pr_debug("%s\n", __func__);
+
+       if (addr->addr_type != IEEE802154_ADDR_LONG) {
+               pr_err("%s: received non-long source address!\n", __func__);
+               return -EINVAL;
+       }
+
+       msg = ieee802154_nl_create(0, IEEE802154_ASSOCIATE_INDIC);
+       if (!msg)
+               return -ENOBUFS;
+
+       NLA_PUT_STRING(msg, IEEE802154_ATTR_DEV_NAME, dev->name);
+       NLA_PUT_U32(msg, IEEE802154_ATTR_DEV_INDEX, dev->ifindex);
+       NLA_PUT(msg, IEEE802154_ATTR_HW_ADDR, IEEE802154_ADDR_LEN,
+                       dev->dev_addr);
+
+       NLA_PUT(msg, IEEE802154_ATTR_SRC_HW_ADDR, IEEE802154_ADDR_LEN,
+                       addr->hwaddr);
+
+       NLA_PUT_U8(msg, IEEE802154_ATTR_CAPABILITY, cap);
+
+       return ieee802154_nl_finish(msg);
+
+nla_put_failure:
+       nlmsg_free(msg);
+       return -ENOBUFS;
+}
+EXPORT_SYMBOL(ieee802154_nl_assoc_indic);
+
+int ieee802154_nl_assoc_confirm(struct net_device *dev, u16 short_addr,
+               u8 status)
+{
+       struct sk_buff *msg;
+
+       pr_debug("%s\n", __func__);
+
+       msg = ieee802154_nl_create(0, IEEE802154_ASSOCIATE_CONF);
+       if (!msg)
+               return -ENOBUFS;
+
+       NLA_PUT_STRING(msg, IEEE802154_ATTR_DEV_NAME, dev->name);
+       NLA_PUT_U32(msg, IEEE802154_ATTR_DEV_INDEX, dev->ifindex);
+       NLA_PUT(msg, IEEE802154_ATTR_HW_ADDR, IEEE802154_ADDR_LEN,
+                       dev->dev_addr);
+
+       NLA_PUT_U16(msg, IEEE802154_ATTR_SHORT_ADDR, short_addr);
+       NLA_PUT_U8(msg, IEEE802154_ATTR_STATUS, status);
+
+       return ieee802154_nl_finish(msg);
+
+nla_put_failure:
+       nlmsg_free(msg);
+       return -ENOBUFS;
+}
+EXPORT_SYMBOL(ieee802154_nl_assoc_confirm);
+
+int ieee802154_nl_disassoc_indic(struct net_device *dev,
+               struct ieee802154_addr *addr, u8 reason)
+{
+       struct sk_buff *msg;
+
+       pr_debug("%s\n", __func__);
+
+       msg = ieee802154_nl_create(0, IEEE802154_DISASSOCIATE_INDIC);
+       if (!msg)
+               return -ENOBUFS;
+
+       NLA_PUT_STRING(msg, IEEE802154_ATTR_DEV_NAME, dev->name);
+       NLA_PUT_U32(msg, IEEE802154_ATTR_DEV_INDEX, dev->ifindex);
+       NLA_PUT(msg, IEEE802154_ATTR_HW_ADDR, IEEE802154_ADDR_LEN,
+                       dev->dev_addr);
+
+       if (addr->addr_type == IEEE802154_ADDR_LONG)
+               NLA_PUT(msg, IEEE802154_ATTR_SRC_HW_ADDR, IEEE802154_ADDR_LEN,
+                               addr->hwaddr);
+       else
+               NLA_PUT_U16(msg, IEEE802154_ATTR_SRC_SHORT_ADDR,
+                               addr->short_addr);
+
+       NLA_PUT_U8(msg, IEEE802154_ATTR_REASON, reason);
+
+       return ieee802154_nl_finish(msg);
+
+nla_put_failure:
+       nlmsg_free(msg);
+       return -ENOBUFS;
+}
+EXPORT_SYMBOL(ieee802154_nl_disassoc_indic);
+
+int ieee802154_nl_disassoc_confirm(struct net_device *dev, u8 status)
+{
+       struct sk_buff *msg;
+
+       pr_debug("%s\n", __func__);
+
+       msg = ieee802154_nl_create(0, IEEE802154_DISASSOCIATE_CONF);
+       if (!msg)
+               return -ENOBUFS;
+
+       NLA_PUT_STRING(msg, IEEE802154_ATTR_DEV_NAME, dev->name);
+       NLA_PUT_U32(msg, IEEE802154_ATTR_DEV_INDEX, dev->ifindex);
+       NLA_PUT(msg, IEEE802154_ATTR_HW_ADDR, IEEE802154_ADDR_LEN,
+                       dev->dev_addr);
+
+       NLA_PUT_U8(msg, IEEE802154_ATTR_STATUS, status);
+
+       return ieee802154_nl_finish(msg);
+
+nla_put_failure:
+       nlmsg_free(msg);
+       return -ENOBUFS;
+}
+EXPORT_SYMBOL(ieee802154_nl_disassoc_confirm);
+
+int ieee802154_nl_beacon_indic(struct net_device *dev,
+               u16 panid, u16 coord_addr)
+{
+       struct sk_buff *msg;
+
+       pr_debug("%s\n", __func__);
+
+       msg = ieee802154_nl_create(0, IEEE802154_BEACON_NOTIFY_INDIC);
+       if (!msg)
+               return -ENOBUFS;
+
+       NLA_PUT_STRING(msg, IEEE802154_ATTR_DEV_NAME, dev->name);
+       NLA_PUT_U32(msg, IEEE802154_ATTR_DEV_INDEX, dev->ifindex);
+       NLA_PUT(msg, IEEE802154_ATTR_HW_ADDR, IEEE802154_ADDR_LEN,
+                       dev->dev_addr);
+       NLA_PUT_U16(msg, IEEE802154_ATTR_COORD_SHORT_ADDR, coord_addr);
+       NLA_PUT_U16(msg, IEEE802154_ATTR_COORD_PAN_ID, panid);
+
+       return ieee802154_nl_finish(msg);
+
+nla_put_failure:
+       nlmsg_free(msg);
+       return -ENOBUFS;
+}
+EXPORT_SYMBOL(ieee802154_nl_beacon_indic);
+
+int ieee802154_nl_scan_confirm(struct net_device *dev,
+               u8 status, u8 scan_type, u32 unscanned,
+               u8 *edl/* , struct list_head *pan_desc_list */)
+{
+       struct sk_buff *msg;
+
+       pr_debug("%s\n", __func__);
+
+       msg = ieee802154_nl_create(0, IEEE802154_SCAN_CONF);
+       if (!msg)
+               return -ENOBUFS;
+
+       NLA_PUT_STRING(msg, IEEE802154_ATTR_DEV_NAME, dev->name);
+       NLA_PUT_U32(msg, IEEE802154_ATTR_DEV_INDEX, dev->ifindex);
+       NLA_PUT(msg, IEEE802154_ATTR_HW_ADDR, IEEE802154_ADDR_LEN,
+                       dev->dev_addr);
+
+       NLA_PUT_U8(msg, IEEE802154_ATTR_STATUS, status);
+       NLA_PUT_U8(msg, IEEE802154_ATTR_SCAN_TYPE, scan_type);
+       NLA_PUT_U32(msg, IEEE802154_ATTR_CHANNELS, unscanned);
+
+       if (edl)
+               NLA_PUT(msg, IEEE802154_ATTR_ED_LIST, 27, edl);
+
+       return ieee802154_nl_finish(msg);
+
+nla_put_failure:
+       nlmsg_free(msg);
+       return -ENOBUFS;
+}
+EXPORT_SYMBOL(ieee802154_nl_scan_confirm);
+
+/* Requests from userspace */
+static struct net_device *ieee802154_nl_get_dev(struct genl_info *info)
+{
+       struct net_device *dev;
+
+       if (info->attrs[IEEE802154_ATTR_DEV_NAME]) {
+               char name[IFNAMSIZ + 1];
+               nla_strlcpy(name, info->attrs[IEEE802154_ATTR_DEV_NAME],
+                               sizeof(name));
+               dev = dev_get_by_name(&init_net, name);
+       } else if (info->attrs[IEEE802154_ATTR_DEV_INDEX])
+               dev = dev_get_by_index(&init_net,
+                               nla_get_u32(info->attrs[IEEE802154_ATTR_DEV_INDEX]));
+       else
+               return NULL;
+
+       if (dev->type != ARPHRD_IEEE802154) {
+               dev_put(dev);
+               return NULL;
+       }
+
+       return dev;
+}
+
+static int ieee802154_associate_req(struct sk_buff *skb,
+               struct genl_info *info)
+{
+       struct net_device *dev;
+       struct ieee802154_addr addr;
+       int ret = -EINVAL;
+
+       if (!info->attrs[IEEE802154_ATTR_CHANNEL] ||
+           !info->attrs[IEEE802154_ATTR_COORD_PAN_ID] ||
+           (!info->attrs[IEEE802154_ATTR_COORD_HW_ADDR] &&
+               !info->attrs[IEEE802154_ATTR_COORD_SHORT_ADDR]) ||
+           !info->attrs[IEEE802154_ATTR_CAPABILITY])
+               return -EINVAL;
+
+       dev = ieee802154_nl_get_dev(info);
+       if (!dev)
+               return -ENODEV;
+
+       if (info->attrs[IEEE802154_ATTR_COORD_HW_ADDR]) {
+               addr.addr_type = IEEE802154_ADDR_LONG;
+               nla_memcpy(addr.hwaddr,
+                               info->attrs[IEEE802154_ATTR_COORD_HW_ADDR],
+                               IEEE802154_ADDR_LEN);
+       } else {
+               addr.addr_type = IEEE802154_ADDR_SHORT;
+               addr.short_addr = nla_get_u16(
+                               info->attrs[IEEE802154_ATTR_COORD_SHORT_ADDR]);
+       }
+       addr.pan_id = nla_get_u16(info->attrs[IEEE802154_ATTR_COORD_PAN_ID]);
+
+       ret = ieee802154_mlme_ops(dev)->assoc_req(dev, &addr,
+                       nla_get_u8(info->attrs[IEEE802154_ATTR_CHANNEL]),
+                       nla_get_u8(info->attrs[IEEE802154_ATTR_CAPABILITY]));
+
+       dev_put(dev);
+       return ret;
+}
+
+static int ieee802154_associate_resp(struct sk_buff *skb,
+               struct genl_info *info)
+{
+       struct net_device *dev;
+       struct ieee802154_addr addr;
+       int ret = -EINVAL;
+
+       if (!info->attrs[IEEE802154_ATTR_STATUS] ||
+           !info->attrs[IEEE802154_ATTR_DEST_HW_ADDR] ||
+           !info->attrs[IEEE802154_ATTR_DEST_SHORT_ADDR])
+               return -EINVAL;
+
+       dev = ieee802154_nl_get_dev(info);
+       if (!dev)
+               return -ENODEV;
+
+       addr.addr_type = IEEE802154_ADDR_LONG;
+       nla_memcpy(addr.hwaddr, info->attrs[IEEE802154_ATTR_DEST_HW_ADDR],
+                       IEEE802154_ADDR_LEN);
+       addr.pan_id = ieee802154_mlme_ops(dev)->get_pan_id(dev);
+
+
+       ret = ieee802154_mlme_ops(dev)->assoc_resp(dev, &addr,
+               nla_get_u16(info->attrs[IEEE802154_ATTR_DEST_SHORT_ADDR]),
+               nla_get_u8(info->attrs[IEEE802154_ATTR_STATUS]));
+
+       dev_put(dev);
+       return ret;
+}
+
+static int ieee802154_disassociate_req(struct sk_buff *skb,
+               struct genl_info *info)
+{
+       struct net_device *dev;
+       struct ieee802154_addr addr;
+       int ret = -EINVAL;
+
+       if ((!info->attrs[IEEE802154_ATTR_DEST_HW_ADDR] &&
+               !info->attrs[IEEE802154_ATTR_DEST_SHORT_ADDR]) ||
+           !info->attrs[IEEE802154_ATTR_REASON])
+               return -EINVAL;
+
+       dev = ieee802154_nl_get_dev(info);
+       if (!dev)
+               return -ENODEV;
+
+       if (info->attrs[IEEE802154_ATTR_DEST_HW_ADDR]) {
+               addr.addr_type = IEEE802154_ADDR_LONG;
+               nla_memcpy(addr.hwaddr,
+                               info->attrs[IEEE802154_ATTR_DEST_HW_ADDR],
+                               IEEE802154_ADDR_LEN);
+       } else {
+               addr.addr_type = IEEE802154_ADDR_SHORT;
+               addr.short_addr = nla_get_u16(
+                               info->attrs[IEEE802154_ATTR_DEST_SHORT_ADDR]);
+       }
+       addr.pan_id = ieee802154_mlme_ops(dev)->get_pan_id(dev);
+
+       ret = ieee802154_mlme_ops(dev)->disassoc_req(dev, &addr,
+                       nla_get_u8(info->attrs[IEEE802154_ATTR_REASON]));
+
+       dev_put(dev);
+       return ret;
+}
+
+/*
+ * PANid, channel, beacon_order = 15, superframe_order = 15,
+ * PAN_coordinator, battery_life_extension = 0,
+ * coord_realignment = 0, security_enable = 0
+*/
+static int ieee802154_start_req(struct sk_buff *skb, struct genl_info *info)
+{
+       struct net_device *dev;
+       struct ieee802154_addr addr;
+
+       u8 channel, bcn_ord, sf_ord;
+       int pan_coord, blx, coord_realign;
+       int ret;
+
+       if (!info->attrs[IEEE802154_ATTR_COORD_PAN_ID] ||
+           !info->attrs[IEEE802154_ATTR_COORD_SHORT_ADDR] ||
+           !info->attrs[IEEE802154_ATTR_CHANNEL] ||
+           !info->attrs[IEEE802154_ATTR_BCN_ORD] ||
+           !info->attrs[IEEE802154_ATTR_SF_ORD] ||
+           !info->attrs[IEEE802154_ATTR_PAN_COORD] ||
+           !info->attrs[IEEE802154_ATTR_BAT_EXT] ||
+           !info->attrs[IEEE802154_ATTR_COORD_REALIGN]
+        )
+               return -EINVAL;
+
+       dev = ieee802154_nl_get_dev(info);
+       if (!dev)
+               return -ENODEV;
+
+       addr.addr_type = IEEE802154_ADDR_SHORT;
+       addr.short_addr = nla_get_u16(
+                       info->attrs[IEEE802154_ATTR_COORD_SHORT_ADDR]);
+       addr.pan_id = nla_get_u16(info->attrs[IEEE802154_ATTR_COORD_PAN_ID]);
+
+       channel = nla_get_u8(info->attrs[IEEE802154_ATTR_CHANNEL]);
+       bcn_ord = nla_get_u8(info->attrs[IEEE802154_ATTR_BCN_ORD]);
+       sf_ord = nla_get_u8(info->attrs[IEEE802154_ATTR_SF_ORD]);
+       pan_coord = nla_get_u8(info->attrs[IEEE802154_ATTR_PAN_COORD]);
+       blx = nla_get_u8(info->attrs[IEEE802154_ATTR_BAT_EXT]);
+       coord_realign = nla_get_u8(info->attrs[IEEE802154_ATTR_COORD_REALIGN]);
+
+       ret = ieee802154_mlme_ops(dev)->start_req(dev, &addr, channel,
+               bcn_ord, sf_ord, pan_coord, blx, coord_realign);
+
+       dev_put(dev);
+       return ret;
+}
+
+static int ieee802154_scan_req(struct sk_buff *skb, struct genl_info *info)
+{
+       struct net_device *dev;
+       int ret;
+       u8 type;
+       u32 channels;
+       u8 duration;
+
+       if (!info->attrs[IEEE802154_ATTR_SCAN_TYPE] ||
+           !info->attrs[IEEE802154_ATTR_CHANNELS] ||
+           !info->attrs[IEEE802154_ATTR_DURATION])
+               return -EINVAL;
+
+       dev = ieee802154_nl_get_dev(info);
+       if (!dev)
+               return -ENODEV;
+
+       type = nla_get_u8(info->attrs[IEEE802154_ATTR_SCAN_TYPE]);
+       channels = nla_get_u32(info->attrs[IEEE802154_ATTR_CHANNELS]);
+       duration = nla_get_u8(info->attrs[IEEE802154_ATTR_DURATION]);
+
+       ret = ieee802154_mlme_ops(dev)->scan_req(dev, type, channels,
+                       duration);
+
+       dev_put(dev);
+       return ret;
+}
+
+#define IEEE802154_OP(_cmd, _func)                     \
+       {                                               \
+               .cmd    = _cmd,                         \
+               .policy = ieee802154_policy,            \
+               .doit   = _func,                        \
+               .dumpit = NULL,                         \
+               .flags  = GENL_ADMIN_PERM,              \
+       }
+
+static struct genl_ops ieee802154_coordinator_ops[] = {
+       IEEE802154_OP(IEEE802154_ASSOCIATE_REQ, ieee802154_associate_req),
+       IEEE802154_OP(IEEE802154_ASSOCIATE_RESP, ieee802154_associate_resp),
+       IEEE802154_OP(IEEE802154_DISASSOCIATE_REQ, ieee802154_disassociate_req),
+       IEEE802154_OP(IEEE802154_SCAN_REQ, ieee802154_scan_req),
+       IEEE802154_OP(IEEE802154_START_REQ, ieee802154_start_req),
+};
+
+static int __init ieee802154_nl_init(void)
+{
+       int rc;
+       int i;
+
+       rc = genl_register_family(&ieee802154_coordinator_family);
+       if (rc)
+               goto fail;
+
+       rc = genl_register_mc_group(&ieee802154_coordinator_family,
+                       &ieee802154_coord_mcgrp);
+       if (rc)
+               goto fail;
+
+       rc = genl_register_mc_group(&ieee802154_coordinator_family,
+                       &ieee802154_beacon_mcgrp);
+       if (rc)
+               goto fail;
+
+
+       for (i = 0; i < ARRAY_SIZE(ieee802154_coordinator_ops); i++) {
+               rc = genl_register_ops(&ieee802154_coordinator_family,
+                               &ieee802154_coordinator_ops[i]);
+               if (rc)
+                       goto fail;
+       }
+
+       return 0;
+
+fail:
+       genl_unregister_family(&ieee802154_coordinator_family);
+       return rc;
+}
+module_init(ieee802154_nl_init);
+
+static void __exit ieee802154_nl_exit(void)
+{
+       genl_unregister_family(&ieee802154_coordinator_family);
+}
+module_exit(ieee802154_nl_exit);
+
diff --git a/net/ieee802154/nl_policy.c b/net/ieee802154/nl_policy.c
new file mode 100644 (file)
index 0000000..c7d71d1
--- /dev/null
@@ -0,0 +1,52 @@
+/*
+ * 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 },
+};