net/mac802154/mac_cmd.c

   1 /*
   2  * MAC commands interface
   3  *
   4  * Copyright 2007-2012 Siemens AG
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License version 2
   8  * as published by the Free Software Foundation.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License along
  16  * with this program; if not, write to the Free Software Foundation, Inc.,
  17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Written by:
  20  * Sergey Lapin <slapin@ossfans.org>
  21  * Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
  22  * Alexander Smirnov <alex.bluesman.smirnov@gmail.com>
  23  */
  24
  25 #include <linux/skbuff.h>
  26 #include <linux/if_arp.h>
  27
  28 #include <net/ieee802154.h>
  29 #include <net/ieee802154_netdev.h>
  30 #include <net/wpan-phy.h>
  31 #include <net/mac802154.h>
  32 #include <net/nl802154.h>
  33
  34 #include "mac802154.h"
  35
  36 static int mac802154_mlme_start_req(struct net_device *dev,
  37                                     struct ieee802154_addr *addr,
  38                                     u8 channel, u8 page,
  39                                     u8 bcn_ord, u8 sf_ord,
  40                                     u8 pan_coord, u8 blx,
  41                                     u8 coord_realign)
  42 {
  43         struct ieee802154_mlme_ops *ops = ieee802154_mlme_ops(dev);
  44         int rc = 0;
  45
  46         BUG_ON(addr->mode != IEEE802154_ADDR_SHORT);
  47
  48         mac802154_dev_set_pan_id(dev, addr->pan_id);
  49         mac802154_dev_set_short_addr(dev, addr->short_addr);
  50         mac802154_dev_set_ieee_addr(dev);
  51         mac802154_dev_set_page_channel(dev, page, channel);
  52
  53         if (ops->llsec) {
  54                 struct ieee802154_llsec_params params;
  55                 int changed = 0;
  56
  57                 params.coord_shortaddr = addr->short_addr;
  58                 changed |= IEEE802154_LLSEC_PARAM_COORD_SHORTADDR;
  59
  60                 params.pan_id = addr->pan_id;
  61                 changed |= IEEE802154_LLSEC_PARAM_PAN_ID;
  62
  63                 params.hwaddr = ieee802154_devaddr_from_raw(dev->dev_addr);
  64                 changed |= IEEE802154_LLSEC_PARAM_HWADDR;
  65
  66                 params.coord_hwaddr = params.hwaddr;
  67                 changed |= IEEE802154_LLSEC_PARAM_COORD_HWADDR;
  68
  69                 rc = ops->llsec->set_params(dev, &params, changed);
  70         }
  71
  72         /* FIXME: add validation for unused parameters to be sane
  73          * for SoftMAC
  74          */
  75         ieee802154_nl_start_confirm(dev, IEEE802154_SUCCESS);
  76
  77         return rc;
  78 }
  79
  80 static struct wpan_phy *mac802154_get_phy(const struct net_device *dev)
  81 {
  82         struct mac802154_sub_if_data *priv = netdev_priv(dev);
  83
  84         BUG_ON(dev->type != ARPHRD_IEEE802154);
  85
  86         return to_phy(get_device(&priv->hw->phy->dev));
  87 }
  88
  89 static struct ieee802154_llsec_ops mac802154_llsec_ops = {
  90         .get_params = mac802154_get_params,
  91         .set_params = mac802154_set_params,
  92         .add_key = mac802154_add_key,
  93         .del_key = mac802154_del_key,
  94         .add_dev = mac802154_add_dev,
  95         .del_dev = mac802154_del_dev,
  96         .add_devkey = mac802154_add_devkey,
  97         .del_devkey = mac802154_del_devkey,
  98         .add_seclevel = mac802154_add_seclevel,
  99         .del_seclevel = mac802154_del_seclevel,
 100         .lock_table = mac802154_lock_table,
 101         .get_table = mac802154_get_table,
 102         .unlock_table = mac802154_unlock_table,
 103 };
 104
 105 struct ieee802154_reduced_mlme_ops mac802154_mlme_reduced = {
 106         .get_phy = mac802154_get_phy,
 107 };
 108
 109 struct ieee802154_mlme_ops mac802154_mlme_wpan = {
 110         .get_phy = mac802154_get_phy,
 111         .start_req = mac802154_mlme_start_req,
 112         .get_pan_id = mac802154_dev_get_pan_id,
 113         .get_short_addr = mac802154_dev_get_short_addr,
 114         .get_dsn = mac802154_dev_get_dsn,
 115
 116         .llsec = &mac802154_llsec_ops,
 117
 118         .set_mac_params = mac802154_set_mac_params,
 119         .get_mac_params = mac802154_get_mac_params,
 120 };