1 #ifndef __NET_CFG80211_H
2 #define __NET_CFG80211_H
4 #include <linux/netlink.h>
5 #include <linux/skbuff.h>
6 #include <linux/nl80211.h>
7 #include <net/genetlink.h>
8 /* remove once we remove the wext stuff */
9 #include <net/iw_handler.h>
12 * 802.11 configuration in-kernel interface
14 * Copyright 2006, 2007 Johannes Berg <johannes@sipsolutions.net>
18 * struct vif_params - describes virtual interface parameters
19 * @mesh_id: mesh ID to use
20 * @mesh_id_len: length of the mesh ID
27 /* Radiotap header iteration
28 * implemented in net/wireless/radiotap.c
29 * docs in Documentation/networking/radiotap-headers.txt
32 * struct ieee80211_radiotap_iterator - tracks walk thru present radiotap args
33 * @rtheader: pointer to the radiotap header we are walking through
34 * @max_length: length of radiotap header in cpu byte ordering
35 * @this_arg_index: IEEE80211_RADIOTAP_... index of current arg
36 * @this_arg: pointer to current radiotap arg
37 * @arg_index: internal next argument index
38 * @arg: internal next argument pointer
39 * @next_bitmap: internal pointer to next present u32
40 * @bitmap_shifter: internal shifter for curr u32 bitmap, b0 set == arg present
43 struct ieee80211_radiotap_iterator {
44 struct ieee80211_radiotap_header *rtheader;
55 extern int ieee80211_radiotap_iterator_init(
56 struct ieee80211_radiotap_iterator *iterator,
57 struct ieee80211_radiotap_header *radiotap_header,
60 extern int ieee80211_radiotap_iterator_next(
61 struct ieee80211_radiotap_iterator *iterator);
65 * struct key_params - key information
67 * Information about a key
70 * @key_len: length of key material
71 * @cipher: cipher suite selector
72 * @seq: sequence counter (IV/PN) for TKIP and CCMP keys, only used
73 * with the get_key() callback, must be in little endian,
74 * length given by @seq_len.
85 * struct beacon_parameters - beacon parameters
87 * Used to configure the beacon for an interface.
89 * @head: head portion of beacon (before TIM IE)
90 * or %NULL if not changed
91 * @tail: tail portion of beacon (after TIM IE)
92 * or %NULL if not changed
93 * @interval: beacon interval or zero if not changed
94 * @dtim_period: DTIM period or zero if not changed
95 * @head_len: length of @head
96 * @tail_len: length of @tail
98 struct beacon_parameters {
100 int interval, dtim_period;
101 int head_len, tail_len;
105 * enum station_flags - station flags
107 * Station capability flags. Note that these must be the bits
108 * according to the nl80211 flags.
110 * @STATION_FLAG_CHANGED: station flags were changed
111 * @STATION_FLAG_AUTHORIZED: station is authorized to send frames (802.1X)
112 * @STATION_FLAG_SHORT_PREAMBLE: station is capable of receiving frames
113 * with short preambles
114 * @STATION_FLAG_WME: station is WME/QoS capable
115 * @STATION_FLAG_MFP: station uses management frame protection
118 STATION_FLAG_CHANGED = 1<<0,
119 STATION_FLAG_AUTHORIZED = 1<<NL80211_STA_FLAG_AUTHORIZED,
120 STATION_FLAG_SHORT_PREAMBLE = 1<<NL80211_STA_FLAG_SHORT_PREAMBLE,
121 STATION_FLAG_WME = 1<<NL80211_STA_FLAG_WME,
122 STATION_FLAG_MFP = 1<<NL80211_STA_FLAG_MFP,
126 * enum plink_action - actions to perform in mesh peers
128 * @PLINK_ACTION_INVALID: action 0 is reserved
129 * @PLINK_ACTION_OPEN: start mesh peer link establishment
130 * @PLINK_ACTION_BLOCL: block traffic from this mesh peer
133 PLINK_ACTION_INVALID,
139 * struct station_parameters - station parameters
141 * Used to change and create a new station.
143 * @vlan: vlan interface station should belong to
144 * @supported_rates: supported rates in IEEE 802.11 format
145 * (or NULL for no change)
146 * @supported_rates_len: number of supported rates
147 * @station_flags: station flags (see &enum station_flags)
148 * @listen_interval: listen interval or -1 for no change
149 * @aid: AID or zero for no change
151 struct station_parameters {
153 struct net_device *vlan;
157 u8 supported_rates_len;
159 struct ieee80211_ht_cap *ht_capa;
163 * enum station_info_flags - station information flags
165 * Used by the driver to indicate which info in &struct station_info
166 * it has filled in during get_station() or dump_station().
168 * @STATION_INFO_INACTIVE_TIME: @inactive_time filled
169 * @STATION_INFO_RX_BYTES: @rx_bytes filled
170 * @STATION_INFO_TX_BYTES: @tx_bytes filled
171 * @STATION_INFO_LLID: @llid filled
172 * @STATION_INFO_PLID: @plid filled
173 * @STATION_INFO_PLINK_STATE: @plink_state filled
174 * @STATION_INFO_SIGNAL: @signal filled
175 * @STATION_INFO_TX_BITRATE: @tx_bitrate fields are filled
176 * (tx_bitrate, tx_bitrate_flags and tx_bitrate_mcs)
178 enum station_info_flags {
179 STATION_INFO_INACTIVE_TIME = 1<<0,
180 STATION_INFO_RX_BYTES = 1<<1,
181 STATION_INFO_TX_BYTES = 1<<2,
182 STATION_INFO_LLID = 1<<3,
183 STATION_INFO_PLID = 1<<4,
184 STATION_INFO_PLINK_STATE = 1<<5,
185 STATION_INFO_SIGNAL = 1<<6,
186 STATION_INFO_TX_BITRATE = 1<<7,
190 * enum station_info_rate_flags - bitrate info flags
192 * Used by the driver to indicate the specific rate transmission
193 * type for 802.11n transmissions.
195 * @RATE_INFO_FLAGS_MCS: @tx_bitrate_mcs filled
196 * @RATE_INFO_FLAGS_40_MHZ_WIDTH: 40 Mhz width transmission
197 * @RATE_INFO_FLAGS_SHORT_GI: 400ns guard interval
199 enum rate_info_flags {
200 RATE_INFO_FLAGS_MCS = 1<<0,
201 RATE_INFO_FLAGS_40_MHZ_WIDTH = 1<<1,
202 RATE_INFO_FLAGS_SHORT_GI = 1<<2,
206 * struct rate_info - bitrate information
208 * Information about a receiving or transmitting bitrate
210 * @flags: bitflag of flags from &enum rate_info_flags
211 * @mcs: mcs index if struct describes a 802.11n bitrate
212 * @legacy: bitrate in 100kbit/s for 802.11abg
221 * struct station_info - station information
223 * Station information filled by driver for get_station() and dump_station.
225 * @filled: bitflag of flags from &enum station_info_flags
226 * @inactive_time: time since last station activity (tx/rx) in milliseconds
227 * @rx_bytes: bytes received from this station
228 * @tx_bytes: bytes transmitted to this station
229 * @llid: mesh local link id
230 * @plid: mesh peer link id
231 * @plink_state: mesh peer link state
232 * @signal: signal strength of last received packet in dBm
233 * @txrate: current unicast bitrate to this station
235 struct station_info {
244 struct rate_info txrate;
248 * enum monitor_flags - monitor flags
250 * Monitor interface configuration flags. Note that these must be the bits
251 * according to the nl80211 flags.
253 * @MONITOR_FLAG_FCSFAIL: pass frames with bad FCS
254 * @MONITOR_FLAG_PLCPFAIL: pass frames with bad PLCP
255 * @MONITOR_FLAG_CONTROL: pass control frames
256 * @MONITOR_FLAG_OTHER_BSS: disable BSSID filtering
257 * @MONITOR_FLAG_COOK_FRAMES: report frames after processing
260 MONITOR_FLAG_FCSFAIL = 1<<NL80211_MNTR_FLAG_FCSFAIL,
261 MONITOR_FLAG_PLCPFAIL = 1<<NL80211_MNTR_FLAG_PLCPFAIL,
262 MONITOR_FLAG_CONTROL = 1<<NL80211_MNTR_FLAG_CONTROL,
263 MONITOR_FLAG_OTHER_BSS = 1<<NL80211_MNTR_FLAG_OTHER_BSS,
264 MONITOR_FLAG_COOK_FRAMES = 1<<NL80211_MNTR_FLAG_COOK_FRAMES,
268 * enum mpath_info_flags - mesh path information flags
270 * Used by the driver to indicate which info in &struct mpath_info it has filled
271 * in during get_station() or dump_station().
273 * MPATH_INFO_FRAME_QLEN: @frame_qlen filled
274 * MPATH_INFO_DSN: @dsn filled
275 * MPATH_INFO_METRIC: @metric filled
276 * MPATH_INFO_EXPTIME: @exptime filled
277 * MPATH_INFO_DISCOVERY_TIMEOUT: @discovery_timeout filled
278 * MPATH_INFO_DISCOVERY_RETRIES: @discovery_retries filled
279 * MPATH_INFO_FLAGS: @flags filled
281 enum mpath_info_flags {
282 MPATH_INFO_FRAME_QLEN = BIT(0),
283 MPATH_INFO_DSN = BIT(1),
284 MPATH_INFO_METRIC = BIT(2),
285 MPATH_INFO_EXPTIME = BIT(3),
286 MPATH_INFO_DISCOVERY_TIMEOUT = BIT(4),
287 MPATH_INFO_DISCOVERY_RETRIES = BIT(5),
288 MPATH_INFO_FLAGS = BIT(6),
292 * struct mpath_info - mesh path information
294 * Mesh path information filled by driver for get_mpath() and dump_mpath().
296 * @filled: bitfield of flags from &enum mpath_info_flags
297 * @frame_qlen: number of queued frames for this destination
298 * @dsn: destination sequence number
299 * @metric: metric (cost) of this mesh path
300 * @exptime: expiration time for the mesh path from now, in msecs
301 * @flags: mesh path flags
302 * @discovery_timeout: total mesh path discovery timeout, in msecs
303 * @discovery_retries: mesh path discovery retries
311 u32 discovery_timeout;
312 u8 discovery_retries;
317 * struct bss_parameters - BSS parameters
319 * Used to change BSS parameters (mainly for AP mode).
321 * @use_cts_prot: Whether to use CTS protection
322 * (0 = no, 1 = yes, -1 = do not change)
323 * @use_short_preamble: Whether the use of short preambles is allowed
324 * (0 = no, 1 = yes, -1 = do not change)
325 * @use_short_slot_time: Whether the use of short slot time is allowed
326 * (0 = no, 1 = yes, -1 = do not change)
327 * @basic_rates: basic rates in IEEE 802.11 format
328 * (or NULL for no change)
329 * @basic_rates_len: number of basic rates
331 struct bss_parameters {
333 int use_short_preamble;
334 int use_short_slot_time;
340 * enum reg_set_by - Indicates who is trying to set the regulatory domain
341 * @REGDOM_SET_BY_INIT: regulatory domain was set by initialization. We will be
342 * using a static world regulatory domain by default.
343 * @REGDOM_SET_BY_CORE: Core queried CRDA for a dynamic world regulatory domain.
344 * @REGDOM_SET_BY_USER: User asked the wireless core to set the
346 * @REGDOM_SET_BY_DRIVER: a wireless drivers has hinted to the wireless core
347 * it thinks its knows the regulatory domain we should be in.
348 * @REGDOM_SET_BY_COUNTRY_IE: the wireless core has received an 802.11 country
349 * information element with regulatory information it thinks we
356 REGDOM_SET_BY_DRIVER,
357 REGDOM_SET_BY_COUNTRY_IE,
360 struct ieee80211_freq_range {
363 u32 max_bandwidth_khz;
366 struct ieee80211_power_rule {
367 u32 max_antenna_gain;
371 struct ieee80211_reg_rule {
372 struct ieee80211_freq_range freq_range;
373 struct ieee80211_power_rule power_rule;
377 struct ieee80211_regdomain {
380 struct ieee80211_reg_rule reg_rules[];
383 #define MHZ_TO_KHZ(freq) ((freq) * 1000)
384 #define KHZ_TO_MHZ(freq) ((freq) / 1000)
385 #define DBI_TO_MBI(gain) ((gain) * 100)
386 #define MBI_TO_DBI(gain) ((gain) / 100)
387 #define DBM_TO_MBM(gain) ((gain) * 100)
388 #define MBM_TO_DBM(gain) ((gain) / 100)
390 #define REG_RULE(start, end, bw, gain, eirp, reg_flags) { \
391 .freq_range.start_freq_khz = MHZ_TO_KHZ(start), \
392 .freq_range.end_freq_khz = MHZ_TO_KHZ(end), \
393 .freq_range.max_bandwidth_khz = MHZ_TO_KHZ(bw), \
394 .power_rule.max_antenna_gain = DBI_TO_MBI(gain), \
395 .power_rule.max_eirp = DBM_TO_MBM(eirp), \
396 .flags = reg_flags, \
401 /* Mesh plink management parameters */
402 u16 dot11MeshRetryTimeout;
403 u16 dot11MeshConfirmTimeout;
404 u16 dot11MeshHoldingTimeout;
405 u16 dot11MeshMaxPeerLinks;
406 u8 dot11MeshMaxRetries;
408 bool auto_open_plinks;
409 /* HWMP parameters */
410 u8 dot11MeshHWMPmaxPREQretries;
411 u32 path_refresh_time;
412 u16 min_discovery_timeout;
413 u32 dot11MeshHWMPactivePathTimeout;
414 u16 dot11MeshHWMPpreqMinInterval;
415 u16 dot11MeshHWMPnetDiameterTraversalTime;
419 * struct ieee80211_txq_params - TX queue parameters
420 * @queue: TX queue identifier (NL80211_TXQ_Q_*)
421 * @txop: Maximum burst time in units of 32 usecs, 0 meaning disabled
422 * @cwmin: Minimum contention window [a value of the form 2^n-1 in the range
424 * @cwmax: Maximum contention window [a value of the form 2^n-1 in the range
426 * @aifs: Arbitration interframe space [0..255]
428 struct ieee80211_txq_params {
429 enum nl80211_txq_q queue;
436 /* from net/wireless.h */
439 /* from net/ieee80211.h */
440 struct ieee80211_channel;
443 * struct cfg80211_ops - backend description for wireless configuration
445 * This struct is registered by fullmac card drivers and/or wireless stacks
446 * in order to handle configuration requests on their interfaces.
448 * All callbacks except where otherwise noted should return 0
449 * on success or a negative error code.
451 * All operations are currently invoked under rtnl for consistency with the
452 * wireless extensions but this is subject to reevaluation as soon as this
453 * code is used more widely and we have a first user without wext.
455 * @add_virtual_intf: create a new virtual interface with the given name,
456 * must set the struct wireless_dev's iftype.
458 * @del_virtual_intf: remove the virtual interface determined by ifindex.
460 * @change_virtual_intf: change type/configuration of virtual interface,
461 * keep the struct wireless_dev's iftype updated.
463 * @add_key: add a key with the given parameters. @mac_addr will be %NULL
464 * when adding a group key.
466 * @get_key: get information about the key with the given parameters.
467 * @mac_addr will be %NULL when requesting information for a group
468 * key. All pointers given to the @callback function need not be valid
471 * @del_key: remove a key given the @mac_addr (%NULL for a group key)
474 * @set_default_key: set the default key on an interface
476 * @set_default_mgmt_key: set the default management frame key on an interface
478 * @add_beacon: Add a beacon with given parameters, @head, @interval
479 * and @dtim_period will be valid, @tail is optional.
480 * @set_beacon: Change the beacon parameters for an access point mode
481 * interface. This should reject the call when no beacon has been
483 * @del_beacon: Remove beacon configuration and stop sending the beacon.
485 * @add_station: Add a new station.
487 * @del_station: Remove a station; @mac may be NULL to remove all stations.
489 * @change_station: Modify a given station.
491 * @get_mesh_params: Put the current mesh parameters into *params
493 * @set_mesh_params: Set mesh parameters.
494 * The mask is a bitfield which tells us which parameters to
495 * set, and which to leave alone.
497 * @set_mesh_cfg: set mesh parameters (by now, just mesh id)
499 * @change_bss: Modify parameters for a given BSS.
501 * @set_txq_params: Set TX queue parameters
503 * @set_channel: Set channel
505 struct cfg80211_ops {
506 int (*add_virtual_intf)(struct wiphy *wiphy, char *name,
507 enum nl80211_iftype type, u32 *flags,
508 struct vif_params *params);
509 int (*del_virtual_intf)(struct wiphy *wiphy, int ifindex);
510 int (*change_virtual_intf)(struct wiphy *wiphy, int ifindex,
511 enum nl80211_iftype type, u32 *flags,
512 struct vif_params *params);
514 int (*add_key)(struct wiphy *wiphy, struct net_device *netdev,
515 u8 key_index, u8 *mac_addr,
516 struct key_params *params);
517 int (*get_key)(struct wiphy *wiphy, struct net_device *netdev,
518 u8 key_index, u8 *mac_addr, void *cookie,
519 void (*callback)(void *cookie, struct key_params*));
520 int (*del_key)(struct wiphy *wiphy, struct net_device *netdev,
521 u8 key_index, u8 *mac_addr);
522 int (*set_default_key)(struct wiphy *wiphy,
523 struct net_device *netdev,
525 int (*set_default_mgmt_key)(struct wiphy *wiphy,
526 struct net_device *netdev,
529 int (*add_beacon)(struct wiphy *wiphy, struct net_device *dev,
530 struct beacon_parameters *info);
531 int (*set_beacon)(struct wiphy *wiphy, struct net_device *dev,
532 struct beacon_parameters *info);
533 int (*del_beacon)(struct wiphy *wiphy, struct net_device *dev);
536 int (*add_station)(struct wiphy *wiphy, struct net_device *dev,
537 u8 *mac, struct station_parameters *params);
538 int (*del_station)(struct wiphy *wiphy, struct net_device *dev,
540 int (*change_station)(struct wiphy *wiphy, struct net_device *dev,
541 u8 *mac, struct station_parameters *params);
542 int (*get_station)(struct wiphy *wiphy, struct net_device *dev,
543 u8 *mac, struct station_info *sinfo);
544 int (*dump_station)(struct wiphy *wiphy, struct net_device *dev,
545 int idx, u8 *mac, struct station_info *sinfo);
547 int (*add_mpath)(struct wiphy *wiphy, struct net_device *dev,
548 u8 *dst, u8 *next_hop);
549 int (*del_mpath)(struct wiphy *wiphy, struct net_device *dev,
551 int (*change_mpath)(struct wiphy *wiphy, struct net_device *dev,
552 u8 *dst, u8 *next_hop);
553 int (*get_mpath)(struct wiphy *wiphy, struct net_device *dev,
554 u8 *dst, u8 *next_hop,
555 struct mpath_info *pinfo);
556 int (*dump_mpath)(struct wiphy *wiphy, struct net_device *dev,
557 int idx, u8 *dst, u8 *next_hop,
558 struct mpath_info *pinfo);
559 int (*get_mesh_params)(struct wiphy *wiphy,
560 struct net_device *dev,
561 struct mesh_config *conf);
562 int (*set_mesh_params)(struct wiphy *wiphy,
563 struct net_device *dev,
564 const struct mesh_config *nconf, u32 mask);
565 int (*change_bss)(struct wiphy *wiphy, struct net_device *dev,
566 struct bss_parameters *params);
568 int (*set_txq_params)(struct wiphy *wiphy,
569 struct ieee80211_txq_params *params);
571 int (*set_channel)(struct wiphy *wiphy,
572 struct ieee80211_channel *chan,
573 enum nl80211_channel_type channel_type);
576 /* temporary wext handlers */
577 int cfg80211_wext_giwname(struct net_device *dev,
578 struct iw_request_info *info,
579 char *name, char *extra);
580 int cfg80211_wext_siwmode(struct net_device *dev, struct iw_request_info *info,
581 u32 *mode, char *extra);
582 int cfg80211_wext_giwmode(struct net_device *dev, struct iw_request_info *info,
583 u32 *mode, char *extra);
585 #endif /* __NET_CFG80211_H */