cfg80211.h 25.4 KB
Newer Older
1 2 3 4 5
#ifndef __NET_CFG80211_H
#define __NET_CFG80211_H

#include <linux/netlink.h>
#include <linux/skbuff.h>
6
#include <linux/nl80211.h>
7 8 9 10
#include <linux/if_ether.h>
#include <linux/ieee80211.h>
#include <linux/wireless.h>
#include <net/iw_handler.h>
11
#include <net/genetlink.h>
Johannes Berg's avatar
Johannes Berg committed
12 13
/* remove once we remove the wext stuff */
#include <net/iw_handler.h>
14 15 16 17

/*
 * 802.11 configuration in-kernel interface
 *
18
 * Copyright 2006, 2007	Johannes Berg <johannes@sipsolutions.net>
19 20
 */

21 22 23 24 25 26 27 28 29 30
/**
 * struct vif_params - describes virtual interface parameters
 * @mesh_id: mesh ID to use
 * @mesh_id_len: length of the mesh ID
 */
struct vif_params {
       u8 *mesh_id;
       int mesh_id_len;
};

Andy Green's avatar
Andy Green committed
31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67
/* Radiotap header iteration
 *   implemented in net/wireless/radiotap.c
 *   docs in Documentation/networking/radiotap-headers.txt
 */
/**
 * struct ieee80211_radiotap_iterator - tracks walk thru present radiotap args
 * @rtheader: pointer to the radiotap header we are walking through
 * @max_length: length of radiotap header in cpu byte ordering
 * @this_arg_index: IEEE80211_RADIOTAP_... index of current arg
 * @this_arg: pointer to current radiotap arg
 * @arg_index: internal next argument index
 * @arg: internal next argument pointer
 * @next_bitmap: internal pointer to next present u32
 * @bitmap_shifter: internal shifter for curr u32 bitmap, b0 set == arg present
 */

struct ieee80211_radiotap_iterator {
	struct ieee80211_radiotap_header *rtheader;
	int max_length;
	int this_arg_index;
	u8 *this_arg;

	int arg_index;
	u8 *arg;
	__le32 *next_bitmap;
	u32 bitmap_shifter;
};

extern int ieee80211_radiotap_iterator_init(
   struct ieee80211_radiotap_iterator *iterator,
   struct ieee80211_radiotap_header *radiotap_header,
   int max_length);

extern int ieee80211_radiotap_iterator_next(
   struct ieee80211_radiotap_iterator *iterator);


68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87
 /**
 * struct key_params - key information
 *
 * Information about a key
 *
 * @key: key material
 * @key_len: length of key material
 * @cipher: cipher suite selector
 * @seq: sequence counter (IV/PN) for TKIP and CCMP keys, only used
 *	with the get_key() callback, must be in little endian,
 *	length given by @seq_len.
 */
struct key_params {
	u8 *key;
	u8 *seq;
	int key_len;
	int seq_len;
	u32 cipher;
};

88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107
/**
 * struct beacon_parameters - beacon parameters
 *
 * Used to configure the beacon for an interface.
 *
 * @head: head portion of beacon (before TIM IE)
 *     or %NULL if not changed
 * @tail: tail portion of beacon (after TIM IE)
 *     or %NULL if not changed
 * @interval: beacon interval or zero if not changed
 * @dtim_period: DTIM period or zero if not changed
 * @head_len: length of @head
 * @tail_len: length of @tail
 */
struct beacon_parameters {
	u8 *head, *tail;
	int interval, dtim_period;
	int head_len, tail_len;
};

108 109 110 111 112 113 114 115 116 117 118
/**
 * enum station_flags - station flags
 *
 * Station capability flags. Note that these must be the bits
 * according to the nl80211 flags.
 *
 * @STATION_FLAG_CHANGED: station flags were changed
 * @STATION_FLAG_AUTHORIZED: station is authorized to send frames (802.1X)
 * @STATION_FLAG_SHORT_PREAMBLE: station is capable of receiving frames
 *	with short preambles
 * @STATION_FLAG_WME: station is WME/QoS capable
119
 * @STATION_FLAG_MFP: station uses management frame protection
120 121 122 123 124 125
 */
enum station_flags {
	STATION_FLAG_CHANGED		= 1<<0,
	STATION_FLAG_AUTHORIZED		= 1<<NL80211_STA_FLAG_AUTHORIZED,
	STATION_FLAG_SHORT_PREAMBLE	= 1<<NL80211_STA_FLAG_SHORT_PREAMBLE,
	STATION_FLAG_WME		= 1<<NL80211_STA_FLAG_WME,
126
	STATION_FLAG_MFP		= 1<<NL80211_STA_FLAG_MFP,
127 128
};

129 130 131 132 133 134 135 136 137 138 139 140 141
/**
 * enum plink_action - actions to perform in mesh peers
 *
 * @PLINK_ACTION_INVALID: action 0 is reserved
 * @PLINK_ACTION_OPEN: start mesh peer link establishment
 * @PLINK_ACTION_BLOCL: block traffic from this mesh peer
 */
enum plink_actions {
	PLINK_ACTION_INVALID,
	PLINK_ACTION_OPEN,
	PLINK_ACTION_BLOCK,
};

142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161
/**
 * struct station_parameters - station parameters
 *
 * Used to change and create a new station.
 *
 * @vlan: vlan interface station should belong to
 * @supported_rates: supported rates in IEEE 802.11 format
 *	(or NULL for no change)
 * @supported_rates_len: number of supported rates
 * @station_flags: station flags (see &enum station_flags)
 * @listen_interval: listen interval or -1 for no change
 * @aid: AID or zero for no change
 */
struct station_parameters {
	u8 *supported_rates;
	struct net_device *vlan;
	u32 station_flags;
	int listen_interval;
	u16 aid;
	u8 supported_rates_len;
162
	u8 plink_action;
163
	struct ieee80211_ht_cap *ht_capa;
164 165
};

166
/**
167
 * enum station_info_flags - station information flags
168
 *
169 170
 * Used by the driver to indicate which info in &struct station_info
 * it has filled in during get_station() or dump_station().
171
 *
172 173 174 175 176 177
 * @STATION_INFO_INACTIVE_TIME: @inactive_time filled
 * @STATION_INFO_RX_BYTES: @rx_bytes filled
 * @STATION_INFO_TX_BYTES: @tx_bytes filled
 * @STATION_INFO_LLID: @llid filled
 * @STATION_INFO_PLID: @plid filled
 * @STATION_INFO_PLINK_STATE: @plink_state filled
178 179 180
 * @STATION_INFO_SIGNAL: @signal filled
 * @STATION_INFO_TX_BITRATE: @tx_bitrate fields are filled
 *  (tx_bitrate, tx_bitrate_flags and tx_bitrate_mcs)
181
 */
182 183 184 185 186 187 188
enum station_info_flags {
	STATION_INFO_INACTIVE_TIME	= 1<<0,
	STATION_INFO_RX_BYTES		= 1<<1,
	STATION_INFO_TX_BYTES		= 1<<2,
	STATION_INFO_LLID		= 1<<3,
	STATION_INFO_PLID		= 1<<4,
	STATION_INFO_PLINK_STATE	= 1<<5,
189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221
	STATION_INFO_SIGNAL		= 1<<6,
	STATION_INFO_TX_BITRATE		= 1<<7,
};

/**
 * enum station_info_rate_flags - bitrate info flags
 *
 * Used by the driver to indicate the specific rate transmission
 * type for 802.11n transmissions.
 *
 * @RATE_INFO_FLAGS_MCS: @tx_bitrate_mcs filled
 * @RATE_INFO_FLAGS_40_MHZ_WIDTH: 40 Mhz width transmission
 * @RATE_INFO_FLAGS_SHORT_GI: 400ns guard interval
 */
enum rate_info_flags {
	RATE_INFO_FLAGS_MCS		= 1<<0,
	RATE_INFO_FLAGS_40_MHZ_WIDTH	= 1<<1,
	RATE_INFO_FLAGS_SHORT_GI	= 1<<2,
};

/**
 * struct rate_info - bitrate information
 *
 * Information about a receiving or transmitting bitrate
 *
 * @flags: bitflag of flags from &enum rate_info_flags
 * @mcs: mcs index if struct describes a 802.11n bitrate
 * @legacy: bitrate in 100kbit/s for 802.11abg
 */
struct rate_info {
	u8 flags;
	u8 mcs;
	u16 legacy;
222 223 224
};

/**
225
 * struct station_info - station information
226
 *
227
 * Station information filled by driver for get_station() and dump_station.
228
 *
229
 * @filled: bitflag of flags from &enum station_info_flags
230 231 232
 * @inactive_time: time since last station activity (tx/rx) in milliseconds
 * @rx_bytes: bytes received from this station
 * @tx_bytes: bytes transmitted to this station
233 234 235
 * @llid: mesh local link id
 * @plid: mesh peer link id
 * @plink_state: mesh peer link state
236 237
 * @signal: signal strength of last received packet in dBm
 * @txrate: current unicast bitrate to this station
238
 */
239
struct station_info {
240 241 242 243
	u32 filled;
	u32 inactive_time;
	u32 rx_bytes;
	u32 tx_bytes;
244 245 246
	u16 llid;
	u16 plid;
	u8 plink_state;
247 248
	s8 signal;
	struct rate_info txrate;
249 250
};

251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270
/**
 * enum monitor_flags - monitor flags
 *
 * Monitor interface configuration flags. Note that these must be the bits
 * according to the nl80211 flags.
 *
 * @MONITOR_FLAG_FCSFAIL: pass frames with bad FCS
 * @MONITOR_FLAG_PLCPFAIL: pass frames with bad PLCP
 * @MONITOR_FLAG_CONTROL: pass control frames
 * @MONITOR_FLAG_OTHER_BSS: disable BSSID filtering
 * @MONITOR_FLAG_COOK_FRAMES: report frames after processing
 */
enum monitor_flags {
	MONITOR_FLAG_FCSFAIL		= 1<<NL80211_MNTR_FLAG_FCSFAIL,
	MONITOR_FLAG_PLCPFAIL		= 1<<NL80211_MNTR_FLAG_PLCPFAIL,
	MONITOR_FLAG_CONTROL		= 1<<NL80211_MNTR_FLAG_CONTROL,
	MONITOR_FLAG_OTHER_BSS		= 1<<NL80211_MNTR_FLAG_OTHER_BSS,
	MONITOR_FLAG_COOK_FRAMES	= 1<<NL80211_MNTR_FLAG_COOK_FRAMES,
};

271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319
/**
 * enum mpath_info_flags -  mesh path information flags
 *
 * Used by the driver to indicate which info in &struct mpath_info it has filled
 * in during get_station() or dump_station().
 *
 * MPATH_INFO_FRAME_QLEN: @frame_qlen filled
 * MPATH_INFO_DSN: @dsn filled
 * MPATH_INFO_METRIC: @metric filled
 * MPATH_INFO_EXPTIME: @exptime filled
 * MPATH_INFO_DISCOVERY_TIMEOUT: @discovery_timeout filled
 * MPATH_INFO_DISCOVERY_RETRIES: @discovery_retries filled
 * MPATH_INFO_FLAGS: @flags filled
 */
enum mpath_info_flags {
	MPATH_INFO_FRAME_QLEN		= BIT(0),
	MPATH_INFO_DSN			= BIT(1),
	MPATH_INFO_METRIC		= BIT(2),
	MPATH_INFO_EXPTIME		= BIT(3),
	MPATH_INFO_DISCOVERY_TIMEOUT	= BIT(4),
	MPATH_INFO_DISCOVERY_RETRIES	= BIT(5),
	MPATH_INFO_FLAGS		= BIT(6),
};

/**
 * struct mpath_info - mesh path information
 *
 * Mesh path information filled by driver for get_mpath() and dump_mpath().
 *
 * @filled: bitfield of flags from &enum mpath_info_flags
 * @frame_qlen: number of queued frames for this destination
 * @dsn: destination sequence number
 * @metric: metric (cost) of this mesh path
 * @exptime: expiration time for the mesh path from now, in msecs
 * @flags: mesh path flags
 * @discovery_timeout: total mesh path discovery timeout, in msecs
 * @discovery_retries: mesh path discovery retries
 */
struct mpath_info {
	u32 filled;
	u32 frame_qlen;
	u32 dsn;
	u32 metric;
	u32 exptime;
	u32 discovery_timeout;
	u8 discovery_retries;
	u8 flags;
};

320 321 322 323 324 325 326 327 328 329 330
/**
 * struct bss_parameters - BSS parameters
 *
 * Used to change BSS parameters (mainly for AP mode).
 *
 * @use_cts_prot: Whether to use CTS protection
 *	(0 = no, 1 = yes, -1 = do not change)
 * @use_short_preamble: Whether the use of short preambles is allowed
 *	(0 = no, 1 = yes, -1 = do not change)
 * @use_short_slot_time: Whether the use of short slot time is allowed
 *	(0 = no, 1 = yes, -1 = do not change)
331 332 333
 * @basic_rates: basic rates in IEEE 802.11 format
 *	(or NULL for no change)
 * @basic_rates_len: number of basic rates
334 335 336 337 338
 */
struct bss_parameters {
	int use_cts_prot;
	int use_short_preamble;
	int use_short_slot_time;
339 340
	u8 *basic_rates;
	u8 basic_rates_len;
341
};
342

343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363
/**
 * enum reg_set_by - Indicates who is trying to set the regulatory domain
 * @REGDOM_SET_BY_INIT: regulatory domain was set by initialization. We will be
 * 	using a static world regulatory domain by default.
 * @REGDOM_SET_BY_CORE: Core queried CRDA for a dynamic world regulatory domain.
 * @REGDOM_SET_BY_USER: User asked the wireless core to set the
 * 	regulatory domain.
 * @REGDOM_SET_BY_DRIVER: a wireless drivers has hinted to the wireless core
 *	it thinks its knows the regulatory domain we should be in.
 * @REGDOM_SET_BY_COUNTRY_IE: the wireless core has received an 802.11 country
 *	information element with regulatory information it thinks we
 *	should consider.
 */
enum reg_set_by {
	REGDOM_SET_BY_INIT,
	REGDOM_SET_BY_CORE,
	REGDOM_SET_BY_USER,
	REGDOM_SET_BY_DRIVER,
	REGDOM_SET_BY_COUNTRY_IE,
};

364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408
/**
 * enum environment_cap - Environment parsed from country IE
 * @ENVIRON_ANY: indicates country IE applies to both indoor and
 * 	outdoor operation.
 * @ENVIRON_INDOOR: indicates country IE applies only to indoor operation
 * @ENVIRON_OUTDOOR: indicates country IE applies only to outdoor operation
 */
enum environment_cap {
	ENVIRON_ANY,
	ENVIRON_INDOOR,
	ENVIRON_OUTDOOR,
};

/**
 * struct regulatory_request - receipt of last regulatory request
 *
 * @wiphy: this is set if this request's initiator is
 * 	%REGDOM_SET_BY_COUNTRY_IE or %REGDOM_SET_BY_DRIVER. This
 * 	can be used by the wireless core to deal with conflicts
 * 	and potentially inform users of which devices specifically
 * 	cased the conflicts.
 * @initiator: indicates who sent this request, could be any of
 * 	of those set in reg_set_by, %REGDOM_SET_BY_*
 * @alpha2: the ISO / IEC 3166 alpha2 country code of the requested
 * 	regulatory domain. We have a few special codes:
 * 	00 - World regulatory domain
 * 	99 - built by driver but a specific alpha2 cannot be determined
 * 	98 - result of an intersection between two regulatory domains
 * @intersect: indicates whether the wireless core should intersect
 * 	the requested regulatory domain with the presently set regulatory
 * 	domain.
 * @country_ie_checksum: checksum of the last processed and accepted
 * 	country IE
 * @country_ie_env: lets us know if the AP is telling us we are outdoor,
 * 	indoor, or if it doesn't matter
 */
struct regulatory_request {
	struct wiphy *wiphy;
	enum reg_set_by initiator;
	char alpha2[2];
	bool intersect;
	u32 country_ie_checksum;
	enum environment_cap country_ie_env;
};

409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431
struct ieee80211_freq_range {
	u32 start_freq_khz;
	u32 end_freq_khz;
	u32 max_bandwidth_khz;
};

struct ieee80211_power_rule {
	u32 max_antenna_gain;
	u32 max_eirp;
};

struct ieee80211_reg_rule {
	struct ieee80211_freq_range freq_range;
	struct ieee80211_power_rule power_rule;
	u32 flags;
};

struct ieee80211_regdomain {
	u32 n_reg_rules;
	char alpha2[2];
	struct ieee80211_reg_rule reg_rules[];
};

432 433 434 435 436 437
#define MHZ_TO_KHZ(freq) ((freq) * 1000)
#define KHZ_TO_MHZ(freq) ((freq) / 1000)
#define DBI_TO_MBI(gain) ((gain) * 100)
#define MBI_TO_DBI(gain) ((gain) / 100)
#define DBM_TO_MBM(gain) ((gain) * 100)
#define MBM_TO_DBM(gain) ((gain) / 100)
438 439

#define REG_RULE(start, end, bw, gain, eirp, reg_flags) { \
440 441 442 443 444
	.freq_range.start_freq_khz = MHZ_TO_KHZ(start), \
	.freq_range.end_freq_khz = MHZ_TO_KHZ(end), \
	.freq_range.max_bandwidth_khz = MHZ_TO_KHZ(bw), \
	.power_rule.max_antenna_gain = DBI_TO_MBI(gain), \
	.power_rule.max_eirp = DBM_TO_MBM(eirp), \
445 446 447
	.flags = reg_flags, \
	}

448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466
struct mesh_config {
	/* Timeouts in ms */
	/* Mesh plink management parameters */
	u16 dot11MeshRetryTimeout;
	u16 dot11MeshConfirmTimeout;
	u16 dot11MeshHoldingTimeout;
	u16 dot11MeshMaxPeerLinks;
	u8  dot11MeshMaxRetries;
	u8  dot11MeshTTL;
	bool auto_open_plinks;
	/* HWMP parameters */
	u8  dot11MeshHWMPmaxPREQretries;
	u32 path_refresh_time;
	u16 min_discovery_timeout;
	u32 dot11MeshHWMPactivePathTimeout;
	u16 dot11MeshHWMPpreqMinInterval;
	u16 dot11MeshHWMPnetDiameterTraversalTime;
};

467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484
/**
 * struct ieee80211_txq_params - TX queue parameters
 * @queue: TX queue identifier (NL80211_TXQ_Q_*)
 * @txop: Maximum burst time in units of 32 usecs, 0 meaning disabled
 * @cwmin: Minimum contention window [a value of the form 2^n-1 in the range
 *	1..32767]
 * @cwmax: Maximum contention window [a value of the form 2^n-1 in the range
 *	1..32767]
 * @aifs: Arbitration interframe space [0..255]
 */
struct ieee80211_txq_params {
	enum nl80211_txq_q queue;
	u16 txop;
	u16 cwmin;
	u16 cwmax;
	u8 aifs;
};

485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504
/**
 * struct mgmt_extra_ie_params - Extra management frame IE parameters
 *
 * Used to add extra IE(s) into management frames. If the driver cannot add the
 * requested data into all management frames of the specified subtype that are
 * generated in kernel or firmware/hardware, it must reject the configuration
 * call. The IE data buffer is added to the end of the specified management
 * frame body after all other IEs. This addition is not applied to frames that
 * are injected through a monitor interface.
 *
 * @subtype: Management frame subtype
 * @ies: IE data buffer or %NULL to remove previous data
 * @ies_len: Length of @ies in octets
 */
struct mgmt_extra_ie_params {
	u8 subtype;
	u8 *ies;
	int ies_len;
};

505 506 507
/* from net/wireless.h */
struct wiphy;

508 509 510
/* from net/ieee80211.h */
struct ieee80211_channel;

511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527
/**
 * struct cfg80211_ssid - SSID description
 * @ssid: the SSID
 * @ssid_len: length of the ssid
 */
struct cfg80211_ssid {
	u8 ssid[IEEE80211_MAX_SSID_LEN];
	u8 ssid_len;
};

/**
 * struct cfg80211_scan_request - scan request description
 *
 * @ssids: SSIDs to scan for (active scan only)
 * @n_ssids: number of SSIDs
 * @channels: channels to scan on.
 * @n_channels: number of channels for each band
528 529
 * @ie: optional information element(s) to add into Probe Request or %NULL
 * @ie_len: length of ie in octets
530 531 532 533 534 535 536 537
 * @wiphy: the wiphy this was for
 * @ifidx: the interface index
 */
struct cfg80211_scan_request {
	struct cfg80211_ssid *ssids;
	int n_ssids;
	struct ieee80211_channel **channels;
	u32 n_channels;
538 539
	u8 *ie;
	size_t ie_len;
540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573

	/* internal */
	struct wiphy *wiphy;
	int ifidx;
};

/**
 * enum cfg80211_signal_type - signal type
 *
 * @CFG80211_SIGNAL_TYPE_NONE: no signal strength information available
 * @CFG80211_SIGNAL_TYPE_MBM: signal strength in mBm (100*dBm)
 * @CFG80211_SIGNAL_TYPE_UNSPEC: signal strength, increasing from 0 through 100
 */
enum cfg80211_signal_type {
	CFG80211_SIGNAL_TYPE_NONE,
	CFG80211_SIGNAL_TYPE_MBM,
	CFG80211_SIGNAL_TYPE_UNSPEC,
};

/**
 * struct cfg80211_bss - BSS description
 *
 * This structure describes a BSS (which may also be a mesh network)
 * for use in scan results and similar.
 *
 * @bssid: BSSID of the BSS
 * @tsf: timestamp of last received update
 * @beacon_interval: the beacon interval as from the frame
 * @capability: the capability field in host byte order
 * @information_elements: the information elements (Note that there
 *	is no guarantee that these are well-formed!)
 * @len_information_elements: total length of the information elements
 * @signal: signal strength value
 * @signal_type: signal type
574
 * @free_priv: function pointer to free private data
575 576 577 578 579 580 581 582 583 584 585 586 587 588 589
 * @priv: private area for driver use, has at least wiphy->bss_priv_size bytes
 */
struct cfg80211_bss {
	struct ieee80211_channel *channel;

	u8 bssid[ETH_ALEN];
	u64 tsf;
	u16 beacon_interval;
	u16 capability;
	u8 *information_elements;
	size_t len_information_elements;

	s32 signal;
	enum cfg80211_signal_type signal_type;

590
	void (*free_priv)(struct cfg80211_bss *bss);
591 592 593
	u8 priv[0] __attribute__((__aligned__(sizeof(void *))));
};

594 595 596 597 598 599 600 601 602
/**
 * struct cfg80211_ops - backend description for wireless configuration
 *
 * This struct is registered by fullmac card drivers and/or wireless stacks
 * in order to handle configuration requests on their interfaces.
 *
 * All callbacks except where otherwise noted should return 0
 * on success or a negative error code.
 *
603 604 605 606
 * All operations are currently invoked under rtnl for consistency with the
 * wireless extensions but this is subject to reevaluation as soon as this
 * code is used more widely and we have a first user without wext.
 *
Johannes Berg's avatar
Johannes Berg committed
607 608 609
 * @suspend: wiphy device needs to be suspended
 * @resume: wiphy device needs to be resumed
 *
Johannes Berg's avatar
Johannes Berg committed
610 611
 * @add_virtual_intf: create a new virtual interface with the given name,
 *	must set the struct wireless_dev's iftype.
612 613
 *
 * @del_virtual_intf: remove the virtual interface determined by ifindex.
614
 *
Johannes Berg's avatar
Johannes Berg committed
615 616
 * @change_virtual_intf: change type/configuration of virtual interface,
 *	keep the struct wireless_dev's iftype updated.
617
 *
618 619 620 621 622 623 624 625 626 627 628 629
 * @add_key: add a key with the given parameters. @mac_addr will be %NULL
 *	when adding a group key.
 *
 * @get_key: get information about the key with the given parameters.
 *	@mac_addr will be %NULL when requesting information for a group
 *	key. All pointers given to the @callback function need not be valid
 *	after it returns.
 *
 * @del_key: remove a key given the @mac_addr (%NULL for a group key)
 *	and @key_index
 *
 * @set_default_key: set the default key on an interface
630
 *
631 632
 * @set_default_mgmt_key: set the default management frame key on an interface
 *
633 634 635 636 637 638
 * @add_beacon: Add a beacon with given parameters, @head, @interval
 *	and @dtim_period will be valid, @tail is optional.
 * @set_beacon: Change the beacon parameters for an access point mode
 *	interface. This should reject the call when no beacon has been
 *	configured.
 * @del_beacon: Remove beacon configuration and stop sending the beacon.
639 640 641 642 643 644
 *
 * @add_station: Add a new station.
 *
 * @del_station: Remove a station; @mac may be NULL to remove all stations.
 *
 * @change_station: Modify a given station.
645
 *
646 647 648 649 650 651
 * @get_mesh_params: Put the current mesh parameters into *params
 *
 * @set_mesh_params: Set mesh parameters.
 *	The mask is a bitfield which tells us which parameters to
 *	set, and which to leave alone.
 *
652
 * @set_mesh_cfg: set mesh parameters (by now, just mesh id)
653 654
 *
 * @change_bss: Modify parameters for a given BSS.
655 656
 *
 * @set_txq_params: Set TX queue parameters
657 658
 *
 * @set_channel: Set channel
659 660
 *
 * @set_mgmt_extra_ie: Set extra IE data for management frames
661 662 663 664 665
 *
 * @scan: Request to do a scan. If returning zero, the scan request is given
 *	the driver, and will be valid until passed to cfg80211_scan_done().
 *	For scan results, call cfg80211_inform_bss(); you can call this outside
 *	the scan/scan_done bracket too.
666 667
 */
struct cfg80211_ops {
Johannes Berg's avatar
Johannes Berg committed
668 669 670
	int	(*suspend)(struct wiphy *wiphy);
	int	(*resume)(struct wiphy *wiphy);

671
	int	(*add_virtual_intf)(struct wiphy *wiphy, char *name,
672 673
				    enum nl80211_iftype type, u32 *flags,
				    struct vif_params *params);
674
	int	(*del_virtual_intf)(struct wiphy *wiphy, int ifindex);
675
	int	(*change_virtual_intf)(struct wiphy *wiphy, int ifindex,
676 677
				       enum nl80211_iftype type, u32 *flags,
				       struct vif_params *params);
678 679 680 681 682 683 684 685 686 687 688 689

	int	(*add_key)(struct wiphy *wiphy, struct net_device *netdev,
			   u8 key_index, u8 *mac_addr,
			   struct key_params *params);
	int	(*get_key)(struct wiphy *wiphy, struct net_device *netdev,
			   u8 key_index, u8 *mac_addr, void *cookie,
			   void (*callback)(void *cookie, struct key_params*));
	int	(*del_key)(struct wiphy *wiphy, struct net_device *netdev,
			   u8 key_index, u8 *mac_addr);
	int	(*set_default_key)(struct wiphy *wiphy,
				   struct net_device *netdev,
				   u8 key_index);
690 691 692
	int	(*set_default_mgmt_key)(struct wiphy *wiphy,
					struct net_device *netdev,
					u8 key_index);
693 694 695 696 697 698

	int	(*add_beacon)(struct wiphy *wiphy, struct net_device *dev,
			      struct beacon_parameters *info);
	int	(*set_beacon)(struct wiphy *wiphy, struct net_device *dev,
			      struct beacon_parameters *info);
	int	(*del_beacon)(struct wiphy *wiphy, struct net_device *dev);
699 700 701 702 703 704 705 706


	int	(*add_station)(struct wiphy *wiphy, struct net_device *dev,
			       u8 *mac, struct station_parameters *params);
	int	(*del_station)(struct wiphy *wiphy, struct net_device *dev,
			       u8 *mac);
	int	(*change_station)(struct wiphy *wiphy, struct net_device *dev,
				  u8 *mac, struct station_parameters *params);
707
	int	(*get_station)(struct wiphy *wiphy, struct net_device *dev,
708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723
			       u8 *mac, struct station_info *sinfo);
	int	(*dump_station)(struct wiphy *wiphy, struct net_device *dev,
			       int idx, u8 *mac, struct station_info *sinfo);

	int	(*add_mpath)(struct wiphy *wiphy, struct net_device *dev,
			       u8 *dst, u8 *next_hop);
	int	(*del_mpath)(struct wiphy *wiphy, struct net_device *dev,
			       u8 *dst);
	int	(*change_mpath)(struct wiphy *wiphy, struct net_device *dev,
				  u8 *dst, u8 *next_hop);
	int	(*get_mpath)(struct wiphy *wiphy, struct net_device *dev,
			       u8 *dst, u8 *next_hop,
			       struct mpath_info *pinfo);
	int	(*dump_mpath)(struct wiphy *wiphy, struct net_device *dev,
			       int idx, u8 *dst, u8 *next_hop,
			       struct mpath_info *pinfo);
724 725 726 727 728 729
	int	(*get_mesh_params)(struct wiphy *wiphy,
				struct net_device *dev,
				struct mesh_config *conf);
	int	(*set_mesh_params)(struct wiphy *wiphy,
				struct net_device *dev,
				const struct mesh_config *nconf, u32 mask);
730 731
	int	(*change_bss)(struct wiphy *wiphy, struct net_device *dev,
			      struct bss_parameters *params);
732 733 734

	int	(*set_txq_params)(struct wiphy *wiphy,
				  struct ieee80211_txq_params *params);
735 736 737

	int	(*set_channel)(struct wiphy *wiphy,
			       struct ieee80211_channel *chan,
Sujith's avatar
Sujith committed
738
			       enum nl80211_channel_type channel_type);
739 740 741 742

	int	(*set_mgmt_extra_ie)(struct wiphy *wiphy,
				     struct net_device *dev,
				     struct mgmt_extra_ie_params *params);
743 744 745

	int	(*scan)(struct wiphy *wiphy, struct net_device *dev,
			struct cfg80211_scan_request *request);
746 747
};

Johannes Berg's avatar
Johannes Berg committed
748 749 750 751
/* temporary wext handlers */
int cfg80211_wext_giwname(struct net_device *dev,
			  struct iw_request_info *info,
			  char *name, char *extra);
752 753 754 755
int cfg80211_wext_siwmode(struct net_device *dev, struct iw_request_info *info,
			  u32 *mode, char *extra);
int cfg80211_wext_giwmode(struct net_device *dev, struct iw_request_info *info,
			  u32 *mode, char *extra);
756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791
int cfg80211_wext_siwscan(struct net_device *dev,
			  struct iw_request_info *info,
			  union iwreq_data *wrqu, char *extra);
int cfg80211_wext_giwscan(struct net_device *dev,
			  struct iw_request_info *info,
			  struct iw_point *data, char *extra);

/**
 * cfg80211_scan_done - notify that scan finished
 *
 * @request: the corresponding scan request
 * @aborted: set to true if the scan was aborted for any reason,
 *	userspace will be notified of that
 */
void cfg80211_scan_done(struct cfg80211_scan_request *request, bool aborted);

/**
 * cfg80211_inform_bss - inform cfg80211 of a new BSS
 *
 * @wiphy: the wiphy reporting the BSS
 * @bss: the found BSS
 * @gfp: context flags
 *
 * This informs cfg80211 that BSS information was found and
 * the BSS should be updated/added.
 */
struct cfg80211_bss*
cfg80211_inform_bss_frame(struct wiphy *wiphy,
			  struct ieee80211_channel *channel,
			  struct ieee80211_mgmt *mgmt, size_t len,
			  s32 signal, enum cfg80211_signal_type sigtype,
			  gfp_t gfp);

struct cfg80211_bss *cfg80211_get_bss(struct wiphy *wiphy,
				      struct ieee80211_channel *channel,
				      const u8 *bssid,
792 793 794 795 796 797 798 799 800 801 802
				      const u8 *ssid, size_t ssid_len,
				      u16 capa_mask, u16 capa_val);
static inline struct cfg80211_bss *
cfg80211_get_ibss(struct wiphy *wiphy,
		  struct ieee80211_channel *channel,
		  const u8 *ssid, size_t ssid_len)
{
	return cfg80211_get_bss(wiphy, channel, NULL, ssid, ssid_len,
				WLAN_CAPABILITY_IBSS, WLAN_CAPABILITY_IBSS);
}

803 804 805 806 807
struct cfg80211_bss *cfg80211_get_mesh(struct wiphy *wiphy,
				       struct ieee80211_channel *channel,
				       const u8 *meshid, size_t meshidlen,
				       const u8 *meshcfg);
void cfg80211_put_bss(struct cfg80211_bss *bss);
808 809 810 811 812 813 814 815 816 817 818
/**
 * cfg80211_unlink_bss - unlink BSS from internal data structures
 * @wiphy: the wiphy
 * @bss: the bss to remove
 *
 * This function removes the given BSS from the internal data structures
 * thereby making it no longer show up in scan results etc. Use this
 * function when you detect a BSS is gone. Normally BSSes will also time
 * out, so it is not necessary to use this function at all.
 */
void cfg80211_unlink_bss(struct wiphy *wiphy, struct cfg80211_bss *bss);
Johannes Berg's avatar
Johannes Berg committed
819

820
#endif /* __NET_CFG80211_H */