1 /* 2 * Copyright 2007-2012 Siemens AG 3 * 4 * This program is free software; you can redistribute it and/or modify 5 * it under the terms of the GNU General Public License version 2 6 * as published by the Free Software Foundation. 7 * 8 * This program is distributed in the hope that it will be useful, 9 * but WITHOUT ANY WARRANTY; without even the implied warranty of 10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 11 * GNU General Public License for more details. 12 * 13 * Written by: 14 * Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> 15 * Sergey Lapin <slapin@ossfans.org> 16 * Maxim Gorbachyov <maxim.gorbachev@siemens.com> 17 * Alexander Smirnov <alex.bluesman.smirnov@gmail.com> 18 */ 19 20 #include <linux/if_arp.h> 21 22 #include <net/mac802154.h> 23 #include <net/ieee802154_netdev.h> 24 #include <net/cfg802154.h> 25 26 #include "ieee802154_i.h" 27 #include "driver-ops.h" 28 29 void mac802154_dev_set_short_addr(struct net_device *dev, __le16 val) 30 { 31 struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); 32 33 BUG_ON(dev->type != ARPHRD_IEEE802154); 34 35 spin_lock_bh(&sdata->mib_lock); 36 sdata->wpan_dev.short_addr = val; 37 spin_unlock_bh(&sdata->mib_lock); 38 } 39 40 __le16 mac802154_dev_get_short_addr(const struct net_device *dev) 41 { 42 struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); 43 __le16 ret; 44 45 BUG_ON(dev->type != ARPHRD_IEEE802154); 46 47 spin_lock_bh(&sdata->mib_lock); 48 ret = sdata->wpan_dev.short_addr; 49 spin_unlock_bh(&sdata->mib_lock); 50 51 return ret; 52 } 53 54 __le16 mac802154_dev_get_pan_id(const struct net_device *dev) 55 { 56 struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); 57 __le16 ret; 58 59 BUG_ON(dev->type != ARPHRD_IEEE802154); 60 61 spin_lock_bh(&sdata->mib_lock); 62 ret = sdata->wpan_dev.pan_id; 63 spin_unlock_bh(&sdata->mib_lock); 64 65 return ret; 66 } 67 68 void mac802154_dev_set_pan_id(struct net_device *dev, __le16 val) 69 { 70 struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); 71 72 BUG_ON(dev->type != ARPHRD_IEEE802154); 73 74 spin_lock_bh(&sdata->mib_lock); 75 sdata->wpan_dev.pan_id = val; 76 spin_unlock_bh(&sdata->mib_lock); 77 } 78 79 u8 mac802154_dev_get_dsn(const struct net_device *dev) 80 { 81 struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); 82 83 BUG_ON(dev->type != ARPHRD_IEEE802154); 84 85 return sdata->wpan_dev.dsn++; 86 } 87 88 void mac802154_dev_set_page_channel(struct net_device *dev, u8 page, u8 chan) 89 { 90 struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); 91 struct ieee802154_local *local = sdata->local; 92 int res; 93 94 BUG_ON(dev->type != ARPHRD_IEEE802154); 95 96 res = drv_set_channel(local, page, chan); 97 if (res) { 98 pr_debug("set_channel failed\n"); 99 } else { 100 mutex_lock(&local->phy->pib_lock); 101 local->phy->current_channel = chan; 102 local->phy->current_page = page; 103 mutex_unlock(&local->phy->pib_lock); 104 } 105 } 106 107 int mac802154_get_params(struct net_device *dev, 108 struct ieee802154_llsec_params *params) 109 { 110 struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); 111 int res; 112 113 BUG_ON(dev->type != ARPHRD_IEEE802154); 114 115 mutex_lock(&sdata->sec_mtx); 116 res = mac802154_llsec_get_params(&sdata->sec, params); 117 mutex_unlock(&sdata->sec_mtx); 118 119 return res; 120 } 121 122 int mac802154_set_params(struct net_device *dev, 123 const struct ieee802154_llsec_params *params, 124 int changed) 125 { 126 struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); 127 int res; 128 129 BUG_ON(dev->type != ARPHRD_IEEE802154); 130 131 mutex_lock(&sdata->sec_mtx); 132 res = mac802154_llsec_set_params(&sdata->sec, params, changed); 133 mutex_unlock(&sdata->sec_mtx); 134 135 return res; 136 } 137 138 int mac802154_add_key(struct net_device *dev, 139 const struct ieee802154_llsec_key_id *id, 140 const struct ieee802154_llsec_key *key) 141 { 142 struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); 143 int res; 144 145 BUG_ON(dev->type != ARPHRD_IEEE802154); 146 147 mutex_lock(&sdata->sec_mtx); 148 res = mac802154_llsec_key_add(&sdata->sec, id, key); 149 mutex_unlock(&sdata->sec_mtx); 150 151 return res; 152 } 153 154 int mac802154_del_key(struct net_device *dev, 155 const struct ieee802154_llsec_key_id *id) 156 { 157 struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); 158 int res; 159 160 BUG_ON(dev->type != ARPHRD_IEEE802154); 161 162 mutex_lock(&sdata->sec_mtx); 163 res = mac802154_llsec_key_del(&sdata->sec, id); 164 mutex_unlock(&sdata->sec_mtx); 165 166 return res; 167 } 168 169 int mac802154_add_dev(struct net_device *dev, 170 const struct ieee802154_llsec_device *llsec_dev) 171 { 172 struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); 173 int res; 174 175 BUG_ON(dev->type != ARPHRD_IEEE802154); 176 177 mutex_lock(&sdata->sec_mtx); 178 res = mac802154_llsec_dev_add(&sdata->sec, llsec_dev); 179 mutex_unlock(&sdata->sec_mtx); 180 181 return res; 182 } 183 184 int mac802154_del_dev(struct net_device *dev, __le64 dev_addr) 185 { 186 struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); 187 int res; 188 189 BUG_ON(dev->type != ARPHRD_IEEE802154); 190 191 mutex_lock(&sdata->sec_mtx); 192 res = mac802154_llsec_dev_del(&sdata->sec, dev_addr); 193 mutex_unlock(&sdata->sec_mtx); 194 195 return res; 196 } 197 198 int mac802154_add_devkey(struct net_device *dev, 199 __le64 device_addr, 200 const struct ieee802154_llsec_device_key *key) 201 { 202 struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); 203 int res; 204 205 BUG_ON(dev->type != ARPHRD_IEEE802154); 206 207 mutex_lock(&sdata->sec_mtx); 208 res = mac802154_llsec_devkey_add(&sdata->sec, device_addr, key); 209 mutex_unlock(&sdata->sec_mtx); 210 211 return res; 212 } 213 214 int mac802154_del_devkey(struct net_device *dev, 215 __le64 device_addr, 216 const struct ieee802154_llsec_device_key *key) 217 { 218 struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); 219 int res; 220 221 BUG_ON(dev->type != ARPHRD_IEEE802154); 222 223 mutex_lock(&sdata->sec_mtx); 224 res = mac802154_llsec_devkey_del(&sdata->sec, device_addr, key); 225 mutex_unlock(&sdata->sec_mtx); 226 227 return res; 228 } 229 230 int mac802154_add_seclevel(struct net_device *dev, 231 const struct ieee802154_llsec_seclevel *sl) 232 { 233 struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); 234 int res; 235 236 BUG_ON(dev->type != ARPHRD_IEEE802154); 237 238 mutex_lock(&sdata->sec_mtx); 239 res = mac802154_llsec_seclevel_add(&sdata->sec, sl); 240 mutex_unlock(&sdata->sec_mtx); 241 242 return res; 243 } 244 245 int mac802154_del_seclevel(struct net_device *dev, 246 const struct ieee802154_llsec_seclevel *sl) 247 { 248 struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); 249 int res; 250 251 BUG_ON(dev->type != ARPHRD_IEEE802154); 252 253 mutex_lock(&sdata->sec_mtx); 254 res = mac802154_llsec_seclevel_del(&sdata->sec, sl); 255 mutex_unlock(&sdata->sec_mtx); 256 257 return res; 258 } 259 260 void mac802154_lock_table(struct net_device *dev) 261 { 262 struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); 263 264 BUG_ON(dev->type != ARPHRD_IEEE802154); 265 266 mutex_lock(&sdata->sec_mtx); 267 } 268 269 void mac802154_get_table(struct net_device *dev, 270 struct ieee802154_llsec_table **t) 271 { 272 struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); 273 274 BUG_ON(dev->type != ARPHRD_IEEE802154); 275 276 *t = &sdata->sec.table; 277 } 278 279 void mac802154_unlock_table(struct net_device *dev) 280 { 281 struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); 282 283 BUG_ON(dev->type != ARPHRD_IEEE802154); 284 285 mutex_unlock(&sdata->sec_mtx); 286 } 287