Alexander Aring | 79fe1a2 | 2014-11-09 08:36:53 +0100 | [diff] [blame] | 1 | /* This program is free software; you can redistribute it and/or modify |
| 2 | * it under the terms of the GNU General Public License version 2 |
| 3 | * as published by the Free Software Foundation. |
| 4 | * |
| 5 | * This program is distributed in the hope that it will be useful, |
| 6 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 7 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 8 | * GNU General Public License for more details. |
| 9 | * |
| 10 | * Authors: |
| 11 | * Alexander Aring <aar@pengutronix.de> |
| 12 | * |
| 13 | * Based on: net/wireless/nl80211.c |
| 14 | */ |
| 15 | |
| 16 | #include <linux/rtnetlink.h> |
| 17 | |
| 18 | #include <net/cfg802154.h> |
| 19 | #include <net/genetlink.h> |
| 20 | #include <net/mac802154.h> |
| 21 | #include <net/netlink.h> |
| 22 | #include <net/nl802154.h> |
| 23 | #include <net/sock.h> |
| 24 | |
| 25 | #include "nl802154.h" |
| 26 | #include "core.h" |
| 27 | |
| 28 | static int nl802154_pre_doit(const struct genl_ops *ops, struct sk_buff *skb, |
| 29 | struct genl_info *info); |
| 30 | |
| 31 | static void nl802154_post_doit(const struct genl_ops *ops, struct sk_buff *skb, |
| 32 | struct genl_info *info); |
| 33 | |
| 34 | /* the netlink family */ |
| 35 | static struct genl_family nl802154_fam = { |
| 36 | .id = GENL_ID_GENERATE, /* don't bother with a hardcoded ID */ |
| 37 | .name = NL802154_GENL_NAME, /* have users key off the name instead */ |
| 38 | .hdrsize = 0, /* no private header */ |
| 39 | .version = 1, /* no particular meaning now */ |
| 40 | .maxattr = NL802154_ATTR_MAX, |
| 41 | .netnsok = true, |
| 42 | .pre_doit = nl802154_pre_doit, |
| 43 | .post_doit = nl802154_post_doit, |
| 44 | }; |
| 45 | |
| 46 | /* multicast groups */ |
| 47 | enum nl802154_multicast_groups { |
| 48 | NL802154_MCGRP_CONFIG, |
| 49 | }; |
| 50 | |
| 51 | static const struct genl_multicast_group nl802154_mcgrps[] = { |
| 52 | [NL802154_MCGRP_CONFIG] = { .name = "config", }, |
| 53 | }; |
| 54 | |
| 55 | /* returns ERR_PTR values */ |
| 56 | static struct wpan_dev * |
| 57 | __cfg802154_wpan_dev_from_attrs(struct net *netns, struct nlattr **attrs) |
| 58 | { |
| 59 | struct cfg802154_registered_device *rdev; |
| 60 | struct wpan_dev *result = NULL; |
| 61 | bool have_ifidx = attrs[NL802154_ATTR_IFINDEX]; |
| 62 | bool have_wpan_dev_id = attrs[NL802154_ATTR_WPAN_DEV]; |
| 63 | u64 wpan_dev_id; |
| 64 | int wpan_phy_idx = -1; |
| 65 | int ifidx = -1; |
| 66 | |
| 67 | ASSERT_RTNL(); |
| 68 | |
| 69 | if (!have_ifidx && !have_wpan_dev_id) |
| 70 | return ERR_PTR(-EINVAL); |
| 71 | |
| 72 | if (have_ifidx) |
| 73 | ifidx = nla_get_u32(attrs[NL802154_ATTR_IFINDEX]); |
| 74 | if (have_wpan_dev_id) { |
| 75 | wpan_dev_id = nla_get_u64(attrs[NL802154_ATTR_WPAN_DEV]); |
| 76 | wpan_phy_idx = wpan_dev_id >> 32; |
| 77 | } |
| 78 | |
| 79 | list_for_each_entry(rdev, &cfg802154_rdev_list, list) { |
| 80 | struct wpan_dev *wpan_dev; |
| 81 | |
| 82 | /* TODO netns compare */ |
| 83 | |
| 84 | if (have_wpan_dev_id && rdev->wpan_phy_idx != wpan_phy_idx) |
| 85 | continue; |
| 86 | |
| 87 | list_for_each_entry(wpan_dev, &rdev->wpan_dev_list, list) { |
| 88 | if (have_ifidx && wpan_dev->netdev && |
| 89 | wpan_dev->netdev->ifindex == ifidx) { |
| 90 | result = wpan_dev; |
| 91 | break; |
| 92 | } |
| 93 | if (have_wpan_dev_id && |
| 94 | wpan_dev->identifier == (u32)wpan_dev_id) { |
| 95 | result = wpan_dev; |
| 96 | break; |
| 97 | } |
| 98 | } |
| 99 | |
| 100 | if (result) |
| 101 | break; |
| 102 | } |
| 103 | |
| 104 | if (result) |
| 105 | return result; |
| 106 | |
| 107 | return ERR_PTR(-ENODEV); |
| 108 | } |
| 109 | |
| 110 | static struct cfg802154_registered_device * |
| 111 | __cfg802154_rdev_from_attrs(struct net *netns, struct nlattr **attrs) |
| 112 | { |
| 113 | struct cfg802154_registered_device *rdev = NULL, *tmp; |
| 114 | struct net_device *netdev; |
| 115 | |
| 116 | ASSERT_RTNL(); |
| 117 | |
| 118 | if (!attrs[NL802154_ATTR_WPAN_PHY] && |
| 119 | !attrs[NL802154_ATTR_IFINDEX] && |
| 120 | !attrs[NL802154_ATTR_WPAN_DEV]) |
| 121 | return ERR_PTR(-EINVAL); |
| 122 | |
| 123 | if (attrs[NL802154_ATTR_WPAN_PHY]) |
| 124 | rdev = cfg802154_rdev_by_wpan_phy_idx( |
| 125 | nla_get_u32(attrs[NL802154_ATTR_WPAN_PHY])); |
| 126 | |
| 127 | if (attrs[NL802154_ATTR_WPAN_DEV]) { |
| 128 | u64 wpan_dev_id = nla_get_u64(attrs[NL802154_ATTR_WPAN_DEV]); |
| 129 | struct wpan_dev *wpan_dev; |
| 130 | bool found = false; |
| 131 | |
| 132 | tmp = cfg802154_rdev_by_wpan_phy_idx(wpan_dev_id >> 32); |
| 133 | if (tmp) { |
| 134 | /* make sure wpan_dev exists */ |
| 135 | list_for_each_entry(wpan_dev, &tmp->wpan_dev_list, list) { |
| 136 | if (wpan_dev->identifier != (u32)wpan_dev_id) |
| 137 | continue; |
| 138 | found = true; |
| 139 | break; |
| 140 | } |
| 141 | |
| 142 | if (!found) |
| 143 | tmp = NULL; |
| 144 | |
| 145 | if (rdev && tmp != rdev) |
| 146 | return ERR_PTR(-EINVAL); |
| 147 | rdev = tmp; |
| 148 | } |
| 149 | } |
| 150 | |
| 151 | if (attrs[NL802154_ATTR_IFINDEX]) { |
| 152 | int ifindex = nla_get_u32(attrs[NL802154_ATTR_IFINDEX]); |
| 153 | |
| 154 | netdev = __dev_get_by_index(netns, ifindex); |
| 155 | if (netdev) { |
| 156 | if (netdev->ieee802154_ptr) |
| 157 | tmp = wpan_phy_to_rdev( |
| 158 | netdev->ieee802154_ptr->wpan_phy); |
| 159 | else |
| 160 | tmp = NULL; |
| 161 | |
| 162 | /* not wireless device -- return error */ |
| 163 | if (!tmp) |
| 164 | return ERR_PTR(-EINVAL); |
| 165 | |
| 166 | /* mismatch -- return error */ |
| 167 | if (rdev && tmp != rdev) |
| 168 | return ERR_PTR(-EINVAL); |
| 169 | |
| 170 | rdev = tmp; |
| 171 | } |
| 172 | } |
| 173 | |
| 174 | if (!rdev) |
| 175 | return ERR_PTR(-ENODEV); |
| 176 | |
| 177 | /* TODO netns compare */ |
| 178 | |
| 179 | return rdev; |
| 180 | } |
| 181 | |
| 182 | /* This function returns a pointer to the driver |
| 183 | * that the genl_info item that is passed refers to. |
| 184 | * |
| 185 | * The result of this can be a PTR_ERR and hence must |
| 186 | * be checked with IS_ERR() for errors. |
| 187 | */ |
| 188 | static struct cfg802154_registered_device * |
| 189 | cfg802154_get_dev_from_info(struct net *netns, struct genl_info *info) |
| 190 | { |
| 191 | return __cfg802154_rdev_from_attrs(netns, info->attrs); |
| 192 | } |
| 193 | |
| 194 | /* policy for the attributes */ |
| 195 | static const struct nla_policy nl802154_policy[NL802154_ATTR_MAX+1] = { |
Alexander Aring | ca20ce20 | 2014-11-09 08:36:54 +0100 | [diff] [blame^] | 196 | [NL802154_ATTR_WPAN_PHY] = { .type = NLA_U32 }, |
| 197 | [NL802154_ATTR_WPAN_PHY_NAME] = { .type = NLA_NUL_STRING, |
| 198 | .len = 20-1 }, |
| 199 | |
| 200 | [NL802154_ATTR_IFINDEX] = { .type = NLA_U32 }, |
| 201 | |
| 202 | [NL802154_ATTR_WPAN_DEV] = { .type = NLA_U64 }, |
| 203 | |
| 204 | [NL802154_ATTR_PAGE] = { .type = NLA_U8, }, |
| 205 | [NL802154_ATTR_CHANNEL] = { .type = NLA_U8, }, |
| 206 | |
| 207 | [NL802154_ATTR_TX_POWER] = { .type = NLA_S8, }, |
| 208 | |
| 209 | [NL802154_ATTR_CCA_MODE] = { .type = NLA_U8, }, |
| 210 | |
| 211 | [NL802154_ATTR_SUPPORTED_CHANNEL] = { .type = NLA_U32, }, |
Alexander Aring | 79fe1a2 | 2014-11-09 08:36:53 +0100 | [diff] [blame] | 212 | }; |
| 213 | |
| 214 | /* message building helper */ |
| 215 | static inline void *nl802154hdr_put(struct sk_buff *skb, u32 portid, u32 seq, |
| 216 | int flags, u8 cmd) |
| 217 | { |
| 218 | /* since there is no private header just add the generic one */ |
| 219 | return genlmsg_put(skb, portid, seq, &nl802154_fam, flags, cmd); |
| 220 | } |
| 221 | |
Alexander Aring | ca20ce20 | 2014-11-09 08:36:54 +0100 | [diff] [blame^] | 222 | static int |
| 223 | nl802154_send_wpan_phy_channels(struct cfg802154_registered_device *rdev, |
| 224 | struct sk_buff *msg) |
| 225 | { |
| 226 | struct nlattr *nl_page; |
| 227 | unsigned long page; |
| 228 | |
| 229 | nl_page = nla_nest_start(msg, NL802154_ATTR_CHANNELS_SUPPORTED); |
| 230 | if (!nl_page) |
| 231 | return -ENOBUFS; |
| 232 | |
| 233 | for (page = 0; page < WPAN_NUM_PAGES; page++) { |
| 234 | if (nla_put_u32(msg, NL802154_ATTR_SUPPORTED_CHANNEL, |
| 235 | rdev->wpan_phy.channels_supported[page])) |
| 236 | return -ENOBUFS; |
| 237 | } |
| 238 | nla_nest_end(msg, nl_page); |
| 239 | |
| 240 | return 0; |
| 241 | } |
| 242 | |
| 243 | static int nl802154_send_wpan_phy(struct cfg802154_registered_device *rdev, |
| 244 | enum nl802154_commands cmd, |
| 245 | struct sk_buff *msg, u32 portid, u32 seq, |
| 246 | int flags) |
| 247 | { |
| 248 | void *hdr; |
| 249 | |
| 250 | hdr = nl802154hdr_put(msg, portid, seq, flags, cmd); |
| 251 | if (!hdr) |
| 252 | return -ENOBUFS; |
| 253 | |
| 254 | if (nla_put_u32(msg, NL802154_ATTR_WPAN_PHY, rdev->wpan_phy_idx) || |
| 255 | nla_put_string(msg, NL802154_ATTR_WPAN_PHY_NAME, |
| 256 | wpan_phy_name(&rdev->wpan_phy)) || |
| 257 | nla_put_u32(msg, NL802154_ATTR_GENERATION, |
| 258 | cfg802154_rdev_list_generation)) |
| 259 | goto nla_put_failure; |
| 260 | |
| 261 | if (cmd != NL802154_CMD_NEW_WPAN_PHY) |
| 262 | goto finish; |
| 263 | |
| 264 | /* DUMP PHY PIB */ |
| 265 | |
| 266 | /* current channel settings */ |
| 267 | if (nla_put_u8(msg, NL802154_ATTR_PAGE, |
| 268 | rdev->wpan_phy.current_page) || |
| 269 | nla_put_u8(msg, NL802154_ATTR_CHANNEL, |
| 270 | rdev->wpan_phy.current_channel)) |
| 271 | goto nla_put_failure; |
| 272 | |
| 273 | /* supported channels array */ |
| 274 | if (nl802154_send_wpan_phy_channels(rdev, msg)) |
| 275 | goto nla_put_failure; |
| 276 | |
| 277 | /* cca mode */ |
| 278 | if (nla_put_u8(msg, NL802154_ATTR_CCA_MODE, |
| 279 | rdev->wpan_phy.cca_mode)) |
| 280 | goto nla_put_failure; |
| 281 | |
| 282 | if (nla_put_s8(msg, NL802154_ATTR_TX_POWER, |
| 283 | rdev->wpan_phy.transmit_power)) |
| 284 | goto nla_put_failure; |
| 285 | |
| 286 | finish: |
| 287 | return genlmsg_end(msg, hdr); |
| 288 | |
| 289 | nla_put_failure: |
| 290 | genlmsg_cancel(msg, hdr); |
| 291 | return -EMSGSIZE; |
| 292 | } |
| 293 | |
| 294 | struct nl802154_dump_wpan_phy_state { |
| 295 | s64 filter_wpan_phy; |
| 296 | long start; |
| 297 | |
| 298 | }; |
| 299 | |
| 300 | static int nl802154_dump_wpan_phy_parse(struct sk_buff *skb, |
| 301 | struct netlink_callback *cb, |
| 302 | struct nl802154_dump_wpan_phy_state *state) |
| 303 | { |
| 304 | struct nlattr **tb = nl802154_fam.attrbuf; |
| 305 | int ret = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl802154_fam.hdrsize, |
| 306 | tb, nl802154_fam.maxattr, nl802154_policy); |
| 307 | |
| 308 | /* TODO check if we can handle error here, |
| 309 | * we have no backward compatibility |
| 310 | */ |
| 311 | if (ret) |
| 312 | return 0; |
| 313 | |
| 314 | if (tb[NL802154_ATTR_WPAN_PHY]) |
| 315 | state->filter_wpan_phy = nla_get_u32(tb[NL802154_ATTR_WPAN_PHY]); |
| 316 | if (tb[NL802154_ATTR_WPAN_DEV]) |
| 317 | state->filter_wpan_phy = nla_get_u64(tb[NL802154_ATTR_WPAN_DEV]) >> 32; |
| 318 | if (tb[NL802154_ATTR_IFINDEX]) { |
| 319 | struct net_device *netdev; |
| 320 | struct cfg802154_registered_device *rdev; |
| 321 | int ifidx = nla_get_u32(tb[NL802154_ATTR_IFINDEX]); |
| 322 | |
| 323 | /* TODO netns */ |
| 324 | netdev = __dev_get_by_index(&init_net, ifidx); |
| 325 | if (!netdev) |
| 326 | return -ENODEV; |
| 327 | if (netdev->ieee802154_ptr) { |
| 328 | rdev = wpan_phy_to_rdev( |
| 329 | netdev->ieee802154_ptr->wpan_phy); |
| 330 | state->filter_wpan_phy = rdev->wpan_phy_idx; |
| 331 | } |
| 332 | } |
| 333 | |
| 334 | return 0; |
| 335 | } |
| 336 | |
| 337 | static int |
| 338 | nl802154_dump_wpan_phy(struct sk_buff *skb, struct netlink_callback *cb) |
| 339 | { |
| 340 | int idx = 0, ret; |
| 341 | struct nl802154_dump_wpan_phy_state *state = (void *)cb->args[0]; |
| 342 | struct cfg802154_registered_device *rdev; |
| 343 | |
| 344 | rtnl_lock(); |
| 345 | if (!state) { |
| 346 | state = kzalloc(sizeof(*state), GFP_KERNEL); |
| 347 | if (!state) { |
| 348 | rtnl_unlock(); |
| 349 | return -ENOMEM; |
| 350 | } |
| 351 | state->filter_wpan_phy = -1; |
| 352 | ret = nl802154_dump_wpan_phy_parse(skb, cb, state); |
| 353 | if (ret) { |
| 354 | kfree(state); |
| 355 | rtnl_unlock(); |
| 356 | return ret; |
| 357 | } |
| 358 | cb->args[0] = (long)state; |
| 359 | } |
| 360 | |
| 361 | list_for_each_entry(rdev, &cfg802154_rdev_list, list) { |
| 362 | /* TODO net ns compare */ |
| 363 | if (++idx <= state->start) |
| 364 | continue; |
| 365 | if (state->filter_wpan_phy != -1 && |
| 366 | state->filter_wpan_phy != rdev->wpan_phy_idx) |
| 367 | continue; |
| 368 | /* attempt to fit multiple wpan_phy data chunks into the skb */ |
| 369 | ret = nl802154_send_wpan_phy(rdev, |
| 370 | NL802154_CMD_NEW_WPAN_PHY, |
| 371 | skb, |
| 372 | NETLINK_CB(cb->skb).portid, |
| 373 | cb->nlh->nlmsg_seq, NLM_F_MULTI); |
| 374 | if (ret < 0) { |
| 375 | if ((ret == -ENOBUFS || ret == -EMSGSIZE) && |
| 376 | !skb->len && cb->min_dump_alloc < 4096) { |
| 377 | cb->min_dump_alloc = 4096; |
| 378 | rtnl_unlock(); |
| 379 | return 1; |
| 380 | } |
| 381 | idx--; |
| 382 | break; |
| 383 | } |
| 384 | break; |
| 385 | } |
| 386 | rtnl_unlock(); |
| 387 | |
| 388 | state->start = idx; |
| 389 | |
| 390 | return skb->len; |
| 391 | } |
| 392 | |
| 393 | static int nl802154_dump_wpan_phy_done(struct netlink_callback *cb) |
| 394 | { |
| 395 | kfree((void *)cb->args[0]); |
| 396 | return 0; |
| 397 | } |
| 398 | |
| 399 | static int nl802154_get_wpan_phy(struct sk_buff *skb, struct genl_info *info) |
| 400 | { |
| 401 | struct sk_buff *msg; |
| 402 | struct cfg802154_registered_device *rdev = info->user_ptr[0]; |
| 403 | |
| 404 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
| 405 | if (!msg) |
| 406 | return -ENOMEM; |
| 407 | |
| 408 | if (nl802154_send_wpan_phy(rdev, NL802154_CMD_NEW_WPAN_PHY, msg, |
| 409 | info->snd_portid, info->snd_seq, 0) < 0) { |
| 410 | nlmsg_free(msg); |
| 411 | return -ENOBUFS; |
| 412 | } |
| 413 | |
| 414 | return genlmsg_reply(msg, info); |
| 415 | } |
| 416 | |
Alexander Aring | 79fe1a2 | 2014-11-09 08:36:53 +0100 | [diff] [blame] | 417 | #define NL802154_FLAG_NEED_WPAN_PHY 0x01 |
| 418 | #define NL802154_FLAG_NEED_NETDEV 0x02 |
| 419 | #define NL802154_FLAG_NEED_RTNL 0x04 |
| 420 | #define NL802154_FLAG_CHECK_NETDEV_UP 0x08 |
| 421 | #define NL802154_FLAG_NEED_NETDEV_UP (NL802154_FLAG_NEED_NETDEV |\ |
| 422 | NL802154_FLAG_CHECK_NETDEV_UP) |
| 423 | #define NL802154_FLAG_NEED_WPAN_DEV 0x10 |
| 424 | #define NL802154_FLAG_NEED_WPAN_DEV_UP (NL802154_FLAG_NEED_WPAN_DEV |\ |
| 425 | NL802154_FLAG_CHECK_NETDEV_UP) |
| 426 | |
| 427 | static int nl802154_pre_doit(const struct genl_ops *ops, struct sk_buff *skb, |
| 428 | struct genl_info *info) |
| 429 | { |
| 430 | struct cfg802154_registered_device *rdev; |
| 431 | struct wpan_dev *wpan_dev; |
| 432 | struct net_device *dev; |
| 433 | bool rtnl = ops->internal_flags & NL802154_FLAG_NEED_RTNL; |
| 434 | |
| 435 | if (rtnl) |
| 436 | rtnl_lock(); |
| 437 | |
| 438 | if (ops->internal_flags & NL802154_FLAG_NEED_WPAN_PHY) { |
| 439 | rdev = cfg802154_get_dev_from_info(genl_info_net(info), info); |
| 440 | if (IS_ERR(rdev)) { |
| 441 | if (rtnl) |
| 442 | rtnl_unlock(); |
| 443 | return PTR_ERR(rdev); |
| 444 | } |
| 445 | info->user_ptr[0] = rdev; |
| 446 | } else if (ops->internal_flags & NL802154_FLAG_NEED_NETDEV || |
| 447 | ops->internal_flags & NL802154_FLAG_NEED_WPAN_DEV) { |
| 448 | ASSERT_RTNL(); |
| 449 | wpan_dev = __cfg802154_wpan_dev_from_attrs(genl_info_net(info), |
| 450 | info->attrs); |
| 451 | if (IS_ERR(wpan_dev)) { |
| 452 | if (rtnl) |
| 453 | rtnl_unlock(); |
| 454 | return PTR_ERR(wpan_dev); |
| 455 | } |
| 456 | |
| 457 | dev = wpan_dev->netdev; |
| 458 | rdev = wpan_phy_to_rdev(wpan_dev->wpan_phy); |
| 459 | |
| 460 | if (ops->internal_flags & NL802154_FLAG_NEED_NETDEV) { |
| 461 | if (!dev) { |
| 462 | if (rtnl) |
| 463 | rtnl_unlock(); |
| 464 | return -EINVAL; |
| 465 | } |
| 466 | |
| 467 | info->user_ptr[1] = dev; |
| 468 | } else { |
| 469 | info->user_ptr[1] = wpan_dev; |
| 470 | } |
| 471 | |
| 472 | if (dev) { |
| 473 | if (ops->internal_flags & NL802154_FLAG_CHECK_NETDEV_UP && |
| 474 | !netif_running(dev)) { |
| 475 | if (rtnl) |
| 476 | rtnl_unlock(); |
| 477 | return -ENETDOWN; |
| 478 | } |
| 479 | |
| 480 | dev_hold(dev); |
| 481 | } |
| 482 | |
| 483 | info->user_ptr[0] = rdev; |
| 484 | } |
| 485 | |
| 486 | return 0; |
| 487 | } |
| 488 | |
| 489 | static void nl802154_post_doit(const struct genl_ops *ops, struct sk_buff *skb, |
| 490 | struct genl_info *info) |
| 491 | { |
| 492 | if (info->user_ptr[1]) { |
| 493 | if (ops->internal_flags & NL802154_FLAG_NEED_WPAN_DEV) { |
| 494 | struct wpan_dev *wpan_dev = info->user_ptr[1]; |
| 495 | |
| 496 | if (wpan_dev->netdev) |
| 497 | dev_put(wpan_dev->netdev); |
| 498 | } else { |
| 499 | dev_put(info->user_ptr[1]); |
| 500 | } |
| 501 | } |
| 502 | |
| 503 | if (ops->internal_flags & NL802154_FLAG_NEED_RTNL) |
| 504 | rtnl_unlock(); |
| 505 | } |
| 506 | |
| 507 | static const struct genl_ops nl802154_ops[] = { |
Alexander Aring | ca20ce20 | 2014-11-09 08:36:54 +0100 | [diff] [blame^] | 508 | { |
| 509 | .cmd = NL802154_CMD_GET_WPAN_PHY, |
| 510 | .doit = nl802154_get_wpan_phy, |
| 511 | .dumpit = nl802154_dump_wpan_phy, |
| 512 | .done = nl802154_dump_wpan_phy_done, |
| 513 | .policy = nl802154_policy, |
| 514 | /* can be retrieved by unprivileged users */ |
| 515 | .internal_flags = NL802154_FLAG_NEED_WPAN_PHY | |
| 516 | NL802154_FLAG_NEED_RTNL, |
| 517 | }, |
Alexander Aring | 79fe1a2 | 2014-11-09 08:36:53 +0100 | [diff] [blame] | 518 | }; |
| 519 | |
| 520 | /* initialisation/exit functions */ |
| 521 | int nl802154_init(void) |
| 522 | { |
| 523 | return genl_register_family_with_ops_groups(&nl802154_fam, nl802154_ops, |
| 524 | nl802154_mcgrps); |
| 525 | } |
| 526 | |
| 527 | void nl802154_exit(void) |
| 528 | { |
| 529 | genl_unregister_family(&nl802154_fam); |
| 530 | } |