| xj | b04a402 | 2021-11-25 15:01:52 +0800 | [diff] [blame] | 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_page_channel(struct net_device *dev, u8 page, u8 chan) | 
|  | 30 | { | 
|  | 31 | struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); | 
|  | 32 | struct ieee802154_local *local = sdata->local; | 
|  | 33 | int res; | 
|  | 34 |  | 
|  | 35 | ASSERT_RTNL(); | 
|  | 36 |  | 
|  | 37 | BUG_ON(dev->type != ARPHRD_IEEE802154); | 
|  | 38 |  | 
|  | 39 | res = drv_set_channel(local, page, chan); | 
|  | 40 | if (res) { | 
|  | 41 | pr_debug("set_channel failed\n"); | 
|  | 42 | } else { | 
|  | 43 | local->phy->current_channel = chan; | 
|  | 44 | local->phy->current_page = page; | 
|  | 45 | } | 
|  | 46 | } | 
|  | 47 |  | 
|  | 48 | int mac802154_get_params(struct net_device *dev, | 
|  | 49 | struct ieee802154_llsec_params *params) | 
|  | 50 | { | 
|  | 51 | struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); | 
|  | 52 | int res; | 
|  | 53 |  | 
|  | 54 | BUG_ON(dev->type != ARPHRD_IEEE802154); | 
|  | 55 |  | 
|  | 56 | mutex_lock(&sdata->sec_mtx); | 
|  | 57 | res = mac802154_llsec_get_params(&sdata->sec, params); | 
|  | 58 | mutex_unlock(&sdata->sec_mtx); | 
|  | 59 |  | 
|  | 60 | return res; | 
|  | 61 | } | 
|  | 62 |  | 
|  | 63 | int mac802154_set_params(struct net_device *dev, | 
|  | 64 | const struct ieee802154_llsec_params *params, | 
|  | 65 | int changed) | 
|  | 66 | { | 
|  | 67 | struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); | 
|  | 68 | int res; | 
|  | 69 |  | 
|  | 70 | BUG_ON(dev->type != ARPHRD_IEEE802154); | 
|  | 71 |  | 
|  | 72 | mutex_lock(&sdata->sec_mtx); | 
|  | 73 | res = mac802154_llsec_set_params(&sdata->sec, params, changed); | 
|  | 74 | mutex_unlock(&sdata->sec_mtx); | 
|  | 75 |  | 
|  | 76 | return res; | 
|  | 77 | } | 
|  | 78 |  | 
|  | 79 | int mac802154_add_key(struct net_device *dev, | 
|  | 80 | const struct ieee802154_llsec_key_id *id, | 
|  | 81 | const struct ieee802154_llsec_key *key) | 
|  | 82 | { | 
|  | 83 | struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); | 
|  | 84 | int res; | 
|  | 85 |  | 
|  | 86 | BUG_ON(dev->type != ARPHRD_IEEE802154); | 
|  | 87 |  | 
|  | 88 | mutex_lock(&sdata->sec_mtx); | 
|  | 89 | res = mac802154_llsec_key_add(&sdata->sec, id, key); | 
|  | 90 | mutex_unlock(&sdata->sec_mtx); | 
|  | 91 |  | 
|  | 92 | return res; | 
|  | 93 | } | 
|  | 94 |  | 
|  | 95 | int mac802154_del_key(struct net_device *dev, | 
|  | 96 | const struct ieee802154_llsec_key_id *id) | 
|  | 97 | { | 
|  | 98 | struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); | 
|  | 99 | int res; | 
|  | 100 |  | 
|  | 101 | BUG_ON(dev->type != ARPHRD_IEEE802154); | 
|  | 102 |  | 
|  | 103 | mutex_lock(&sdata->sec_mtx); | 
|  | 104 | res = mac802154_llsec_key_del(&sdata->sec, id); | 
|  | 105 | mutex_unlock(&sdata->sec_mtx); | 
|  | 106 |  | 
|  | 107 | return res; | 
|  | 108 | } | 
|  | 109 |  | 
|  | 110 | int mac802154_add_dev(struct net_device *dev, | 
|  | 111 | const struct ieee802154_llsec_device *llsec_dev) | 
|  | 112 | { | 
|  | 113 | struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); | 
|  | 114 | int res; | 
|  | 115 |  | 
|  | 116 | BUG_ON(dev->type != ARPHRD_IEEE802154); | 
|  | 117 |  | 
|  | 118 | mutex_lock(&sdata->sec_mtx); | 
|  | 119 | res = mac802154_llsec_dev_add(&sdata->sec, llsec_dev); | 
|  | 120 | mutex_unlock(&sdata->sec_mtx); | 
|  | 121 |  | 
|  | 122 | return res; | 
|  | 123 | } | 
|  | 124 |  | 
|  | 125 | int mac802154_del_dev(struct net_device *dev, __le64 dev_addr) | 
|  | 126 | { | 
|  | 127 | struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); | 
|  | 128 | int res; | 
|  | 129 |  | 
|  | 130 | BUG_ON(dev->type != ARPHRD_IEEE802154); | 
|  | 131 |  | 
|  | 132 | mutex_lock(&sdata->sec_mtx); | 
|  | 133 | res = mac802154_llsec_dev_del(&sdata->sec, dev_addr); | 
|  | 134 | mutex_unlock(&sdata->sec_mtx); | 
|  | 135 |  | 
|  | 136 | return res; | 
|  | 137 | } | 
|  | 138 |  | 
|  | 139 | int mac802154_add_devkey(struct net_device *dev, | 
|  | 140 | __le64 device_addr, | 
|  | 141 | const struct ieee802154_llsec_device_key *key) | 
|  | 142 | { | 
|  | 143 | struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); | 
|  | 144 | int res; | 
|  | 145 |  | 
|  | 146 | BUG_ON(dev->type != ARPHRD_IEEE802154); | 
|  | 147 |  | 
|  | 148 | mutex_lock(&sdata->sec_mtx); | 
|  | 149 | res = mac802154_llsec_devkey_add(&sdata->sec, device_addr, key); | 
|  | 150 | mutex_unlock(&sdata->sec_mtx); | 
|  | 151 |  | 
|  | 152 | return res; | 
|  | 153 | } | 
|  | 154 |  | 
|  | 155 | int mac802154_del_devkey(struct net_device *dev, | 
|  | 156 | __le64 device_addr, | 
|  | 157 | const struct ieee802154_llsec_device_key *key) | 
|  | 158 | { | 
|  | 159 | struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); | 
|  | 160 | int res; | 
|  | 161 |  | 
|  | 162 | BUG_ON(dev->type != ARPHRD_IEEE802154); | 
|  | 163 |  | 
|  | 164 | mutex_lock(&sdata->sec_mtx); | 
|  | 165 | res = mac802154_llsec_devkey_del(&sdata->sec, device_addr, key); | 
|  | 166 | mutex_unlock(&sdata->sec_mtx); | 
|  | 167 |  | 
|  | 168 | return res; | 
|  | 169 | } | 
|  | 170 |  | 
|  | 171 | int mac802154_add_seclevel(struct net_device *dev, | 
|  | 172 | const struct ieee802154_llsec_seclevel *sl) | 
|  | 173 | { | 
|  | 174 | struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); | 
|  | 175 | int res; | 
|  | 176 |  | 
|  | 177 | BUG_ON(dev->type != ARPHRD_IEEE802154); | 
|  | 178 |  | 
|  | 179 | mutex_lock(&sdata->sec_mtx); | 
|  | 180 | res = mac802154_llsec_seclevel_add(&sdata->sec, sl); | 
|  | 181 | mutex_unlock(&sdata->sec_mtx); | 
|  | 182 |  | 
|  | 183 | return res; | 
|  | 184 | } | 
|  | 185 |  | 
|  | 186 | int mac802154_del_seclevel(struct net_device *dev, | 
|  | 187 | const struct ieee802154_llsec_seclevel *sl) | 
|  | 188 | { | 
|  | 189 | struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); | 
|  | 190 | int res; | 
|  | 191 |  | 
|  | 192 | BUG_ON(dev->type != ARPHRD_IEEE802154); | 
|  | 193 |  | 
|  | 194 | mutex_lock(&sdata->sec_mtx); | 
|  | 195 | res = mac802154_llsec_seclevel_del(&sdata->sec, sl); | 
|  | 196 | mutex_unlock(&sdata->sec_mtx); | 
|  | 197 |  | 
|  | 198 | return res; | 
|  | 199 | } | 
|  | 200 |  | 
|  | 201 | void mac802154_lock_table(struct net_device *dev) | 
|  | 202 | { | 
|  | 203 | struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); | 
|  | 204 |  | 
|  | 205 | BUG_ON(dev->type != ARPHRD_IEEE802154); | 
|  | 206 |  | 
|  | 207 | mutex_lock(&sdata->sec_mtx); | 
|  | 208 | } | 
|  | 209 |  | 
|  | 210 | void mac802154_get_table(struct net_device *dev, | 
|  | 211 | struct ieee802154_llsec_table **t) | 
|  | 212 | { | 
|  | 213 | struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); | 
|  | 214 |  | 
|  | 215 | BUG_ON(dev->type != ARPHRD_IEEE802154); | 
|  | 216 |  | 
|  | 217 | *t = &sdata->sec.table; | 
|  | 218 | } | 
|  | 219 |  | 
|  | 220 | void mac802154_unlock_table(struct net_device *dev) | 
|  | 221 | { | 
|  | 222 | struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); | 
|  | 223 |  | 
|  | 224 | BUG_ON(dev->type != ARPHRD_IEEE802154); | 
|  | 225 |  | 
|  | 226 | mutex_unlock(&sdata->sec_mtx); | 
|  | 227 | } |