/***************************** INCLUDES *****************************/
#include <linux/types.h> /* for __u* and __s* typedefs */ #include <linux/socket.h> /* for "struct sockaddr" et al */ #include <linux/if.h> /* for IFNAMSIZ and co... */
#ifdef __KERNEL__ # include <linux/stddef.h> /* for offsetof */ #else # include <stddef.h> /* for offsetof */ #endif
/* -------------------------- IOCTL LIST -------------------------- */
/* Wireless Identification */ #define SIOCSIWCOMMIT 0x8B00 /* Commit pending changes to driver */ #define SIOCGIWNAME 0x8B01 /* get name == wireless protocol */ /* SIOCGIWNAME is used to verify the presence of Wireless Extensions. *Commonvalues:"IEEE802.11-DS","IEEE802.11-FH","IEEE802.11b"...
* Don't put the name of your driver there, it's useless. */
/* Basic operations */ #define SIOCSIWNWID 0x8B02 /* set network id (pre-802.11) */ #define SIOCGIWNWID 0x8B03 /* get network id (the cell) */ #define SIOCSIWFREQ 0x8B04 /* set channel/frequency (Hz) */ #define SIOCGIWFREQ 0x8B05 /* get channel/frequency (Hz) */ #define SIOCSIWMODE 0x8B06 /* set operation mode */ #define SIOCGIWMODE 0x8B07 /* get operation mode */ #define SIOCSIWSENS 0x8B08 /* set sensitivity (dBm) */ #define SIOCGIWSENS 0x8B09 /* get sensitivity (dBm) */
/* Informative stuff */ #define SIOCSIWRANGE 0x8B0A /* Unused */ #define SIOCGIWRANGE 0x8B0B /* Get range of parameters */ #define SIOCSIWPRIV 0x8B0C /* Unused */ #define SIOCGIWPRIV 0x8B0D /* get private ioctl interface info */ #define SIOCSIWSTATS 0x8B0E /* Unused */ #define SIOCGIWSTATS 0x8B0F /* Get /proc/net/wireless stats */ /* SIOCGIWSTATS is strictly used between user space and the kernel, and
* is never passed to the driver (i.e. the driver will never see it). */
/* Spy support (statistics per MAC address - used for Mobile IP support) */ #define SIOCSIWSPY 0x8B10 /* set spy addresses */ #define SIOCGIWSPY 0x8B11 /* get spy info (quality of link) */ #define SIOCSIWTHRSPY 0x8B12 /* set spy threshold (spy event) */ #define SIOCGIWTHRSPY 0x8B13 /* get spy threshold */
/* Access Point manipulation */ #define SIOCSIWAP 0x8B14 /* set access point MAC addresses */ #define SIOCGIWAP 0x8B15 /* get access point MAC addresses */ #define SIOCGIWAPLIST 0x8B17 /* Deprecated in favor of scanning */ #define SIOCSIWSCAN 0x8B18 /* trigger scanning (list cells) */ #define SIOCGIWSCAN 0x8B19 /* get scanning results */
/* 802.11 specific support */ #define SIOCSIWESSID 0x8B1A /* set ESSID (network name) */ #define SIOCGIWESSID 0x8B1B /* get ESSID */ #define SIOCSIWNICKN 0x8B1C /* set node name/nickname */ #define SIOCGIWNICKN 0x8B1D /* get node name/nickname */ /* As the ESSID and NICKN are strings up to 32 bytes long, it doesn't fit *withinthe'iwreq'structure,soweneedtousethe'data'memberto
* point to a string in user space, like it is done for RANGE... */
/* Other parameters useful in 802.11 and some other devices */ #define SIOCSIWRATE 0x8B20 /* set default bit rate (bps) */ #define SIOCGIWRATE 0x8B21 /* get default bit rate (bps) */ #define SIOCSIWRTS 0x8B22 /* set RTS/CTS threshold (bytes) */ #define SIOCGIWRTS 0x8B23 /* get RTS/CTS threshold (bytes) */ #define SIOCSIWFRAG 0x8B24 /* set fragmentation thr (bytes) */ #define SIOCGIWFRAG 0x8B25 /* get fragmentation thr (bytes) */ #define SIOCSIWTXPOW 0x8B26 /* set transmit power (dBm) */ #define SIOCGIWTXPOW 0x8B27 /* get transmit power (dBm) */ #define SIOCSIWRETRY 0x8B28 /* set retry limits and lifetime */ #define SIOCGIWRETRY 0x8B29 /* get retry limits and lifetime */
/* Encoding stuff (scrambling, hardware security, WEP...) */ #define SIOCSIWENCODE 0x8B2A /* set encoding token & mode */ #define SIOCGIWENCODE 0x8B2B /* get encoding token & mode */ /* Power saving stuff (power management, unicast and multicast) */ #define SIOCSIWPOWER 0x8B2C /* set Power Management settings */ #define SIOCGIWPOWER 0x8B2D /* get Power Management settings */
/* WPA : Generic IEEE 802.11 informatiom element (e.g., for WPA/RSN/WMM). *Thisioctlusesstructiw_pointanddatabufferthatincludesIEidandlen *fields.MorethanoneIEmaybeincludedintherequest.Settingthegeneric *IEtoemptybuffer(len=0)removesthegenericIEfromthedriver.Drivers *areallowedtogeneratetheirownWPA/RSNIEs,butinthesecases,drivers *arerequiredtoreporttheusedIEasawirelessevent,e.g.,when
* associating with an AP. */ #define SIOCSIWGENIE 0x8B30 /* set generic IE */ #define SIOCGIWGENIE 0x8B31 /* get generic IE */
/* -------------------- DEV PRIVATE IOCTL LIST -------------------- */
/* These 32 ioctl are wireless device private, for 16 commands. *Eachdriverisfreetousethemforwhateverpurposeitchooses, *howeverthedriver*must*exportthedescriptionofthoseioctls *withSIOCGIWPRIVand*must*useargumentsasdefinedbelow. *Ifyoudon'tfollowthoserules,DaveMisgoingtohateyou(reason: *itmakemixed32/64bitoperationimpossible).
*/ #define SIOCIWFIRSTPRIV 0x8BE0 #define SIOCIWLASTPRIV 0x8BFF /* Previously, we were using SIOCDEVPRIVATE, but we now have our *separaterangebecauseofcollisionswithothertoolssuchas *'mii-tool'. *Wenowhave32commands,soabitmorespace;-). *Also,all'even'commandsareonlyusablebyrootanddon'treturnthe *contentofifr/iwrtouser(butyouarenotobligedtousetheset/get *convention,justuseeveryothertwocommand).Moredetailsiniwpriv.c. *AndIrepeat:youarenotforcedtousethemwithiwpriv,butyou *mustbecompliantwithit.
*/
/* The first and the last (range) */ #define SIOCIWFIRST 0x8B00 #define SIOCIWLAST SIOCIWLASTPRIV /* 0x8BFF */ #define IW_IOCTL_IDX(cmd) ((cmd) - SIOCIWFIRST) #define IW_HANDLER(id, func) \
[IW_IOCTL_IDX(id)] = func
/* Odd : get (world access), even : set (root access) */ #define IW_IS_SET(cmd) (!((cmd) & 0x1)) #define IW_IS_GET(cmd) ((cmd) & 0x1)
/* ----------------------- WIRELESS EVENTS ----------------------- */ /* Those are *NOT* ioctls, do not issue request on them !!! */ /* Most events use the same identifier as ioctl requests */
#define IWEVTXDROP 0x8C00 /* Packet dropped to excessive retry */ #define IWEVQUAL 0x8C01 /* Quality part of statistics (scan) */ #define IWEVCUSTOM 0x8C02 /* Driver specific ascii string */ #define IWEVREGISTERED 0x8C03 /* Discovered a new node (AP mode) */ #define IWEVEXPIRED 0x8C04 /* Expired a node (AP mode) */ #define IWEVGENIE 0x8C05 /* Generic IE (WPA, RSN, WMM, ..) *(scanresults);Thisincludesidand *lengthfields.OneIWEVGENIEmay *containmorethanoneIE.Scan *resultsmaycontainoneormore
* IWEVGENIE events. */ #define IWEVMICHAELMICFAILURE 0x8C06 /* Michael MIC failure *(structiw_michaelmicfailure)
*/ #define IWEVASSOCREQIE 0x8C07 /* IEs used in (Re)Association Request. *Thedataincludesidandlength *fieldsandmaycontainmorethanone *IE.Thiseventisrequiredin *Managedmodeifthedriver *generatesitsownWPA/RSNIE.This *shouldbesentjustbefore *IWEVREGISTEREDeventforthe
* association. */ #define IWEVASSOCRESPIE 0x8C08 /* IEs used in (Re)Association *Response.Thedataincludesidand *lengthfieldsandmaycontainmore *thanoneIE.Thismaybesent *betweenIWEVASSOCREQIEand *IWEVREGISTEREDeventsforthe
* association. */ #define IWEVPMKIDCAND 0x8C09 /* PMKID candidate for RSN *pre-authentication
* (struct iw_pmkid_cand) */
/* ----------------------- OTHER CONSTANTS ----------------------- */
/* Maximum frequencies in the range struct */ #define IW_MAX_FREQUENCIES 32 /* Note : if you have something like 80 frequencies, *don'tincreasethisconstantanddon'tfillthefrequencylist.
* The user will be able to set by channel anyway... */
/* Maximum bit rates in the range struct */ #define IW_MAX_BITRATES 32
/* Maximum tx powers in the range struct */ #define IW_MAX_TXPOWER 8 /* Note : if you more than 8 TXPowers, just set the max and min or
* a few of them in the struct iw_range. */
/* Maximum of address that you may set with SPY */ #define IW_MAX_SPY 8
/* Maximum of address that you may get in the
list of access points in range */ #define IW_MAX_AP 64
/* Maximum size of the ESSID and NICKN strings */ #define IW_ESSID_MAX_SIZE 32
/* Modes of operation */ #define IW_MODE_AUTO 0/* Let the driver decides */ #define IW_MODE_ADHOC 1/* Single cell network */ #define IW_MODE_INFRA 2/* Multi cell network, roaming, ... */ #define IW_MODE_MASTER 3/* Synchronisation master or Access Point */ #define IW_MODE_REPEAT 4/* Wireless Repeater (forwarder) */ #define IW_MODE_SECOND 5/* Secondary master/repeater (backup) */ #define IW_MODE_MONITOR 6/* Passive monitor (listen only) */ #define IW_MODE_MESH 7/* Mesh (IEEE 802.11s) network */
/* Statistics flags (bitmask in updated) */ #define IW_QUAL_QUAL_UPDATED 0x01 /* Value was updated since last read */ #define IW_QUAL_LEVEL_UPDATED 0x02 #define IW_QUAL_NOISE_UPDATED 0x04 #define IW_QUAL_ALL_UPDATED 0x07 #define IW_QUAL_DBM 0x08 /* Level + Noise are dBm */ #define IW_QUAL_QUAL_INVALID 0x10 /* Driver doesn't provide value */ #define IW_QUAL_LEVEL_INVALID 0x20 #define IW_QUAL_NOISE_INVALID 0x40 #define IW_QUAL_RCPI 0x80 /* Level + Noise are 802.11k RCPI */ #define IW_QUAL_ALL_INVALID 0x70
/* Frequency flags */ #define IW_FREQ_AUTO 0x00 /* Let the driver decides */ #define IW_FREQ_FIXED 0x01 /* Force a specific value */
/* Maximum number of size of encoding token available
* they are listed in the range structure */ #define IW_MAX_ENCODING_SIZES 8
/* Maximum size of the encoding token in bytes */ #define IW_ENCODING_TOKEN_MAX 64/* 512 bits (for now) */
/* Flags for encoding (along with the token) */ #define IW_ENCODE_INDEX 0x00FF /* Token index (if needed) */ #define IW_ENCODE_FLAGS 0xFF00 /* Flags defined below */ #define IW_ENCODE_MODE 0xF000 /* Modes defined below */ #define IW_ENCODE_DISABLED 0x8000 /* Encoding disabled */ #define IW_ENCODE_ENABLED 0x0000 /* Encoding enabled */ #define IW_ENCODE_RESTRICTED 0x4000 /* Refuse non-encoded packets */ #define IW_ENCODE_OPEN 0x2000 /* Accept non-encoded packets */ #define IW_ENCODE_NOKEY 0x0800 /* Key is write only, so not present */ #define IW_ENCODE_TEMP 0x0400 /* Temporary key */
/* Power management flags available (along with the value, if any) */ #define IW_POWER_ON 0x0000 /* No details... */ #define IW_POWER_TYPE 0xF000 /* Type of parameter */ #define IW_POWER_PERIOD 0x1000 /* Value is a period/duration of */ #define IW_POWER_TIMEOUT 0x2000 /* Value is a timeout (to go asleep) */ #define IW_POWER_MODE 0x0F00 /* Power Management mode */ #define IW_POWER_UNICAST_R 0x0100 /* Receive only unicast messages */ #define IW_POWER_MULTICAST_R 0x0200 /* Receive only multicast messages */ #define IW_POWER_ALL_R 0x0300 /* Receive all messages though PM */ #define IW_POWER_FORCE_S 0x0400 /* Force PM procedure for sending unicast */ #define IW_POWER_REPEATER 0x0800 /* Repeat broadcast messages in PM period */ #define IW_POWER_MODIFIER 0x000F /* Modify a parameter */ #define IW_POWER_MIN 0x0001 /* Value is a minimum */ #define IW_POWER_MAX 0x0002 /* Value is a maximum */ #define IW_POWER_RELATIVE 0x0004 /* Value is not in seconds/ms/us */
/* Transmit Power flags available */ #define IW_TXPOW_TYPE 0x00FF /* Type of value */ #define IW_TXPOW_DBM 0x0000 /* Value is in dBm */ #define IW_TXPOW_MWATT 0x0001 /* Value is in mW */ #define IW_TXPOW_RELATIVE 0x0002 /* Value is in arbitrary units */ #define IW_TXPOW_RANGE 0x1000 /* Range of value between min/max */
/* Retry limits and lifetime flags available */ #define IW_RETRY_ON 0x0000 /* No details... */ #define IW_RETRY_TYPE 0xF000 /* Type of parameter */ #define IW_RETRY_LIMIT 0x1000 /* Maximum number of retries*/ #define IW_RETRY_LIFETIME 0x2000 /* Maximum duration of retries in us */ #define IW_RETRY_MODIFIER 0x00FF /* Modify a parameter */ #define IW_RETRY_MIN 0x0001 /* Value is a minimum */ #define IW_RETRY_MAX 0x0002 /* Value is a maximum */ #define IW_RETRY_RELATIVE 0x0004 /* Value is not in seconds/ms/us */ #define IW_RETRY_SHORT 0x0010 /* Value is for short packets */ #define IW_RETRY_LONG 0x0020 /* Value is for long packets */
/* Scanning request flags */ #define IW_SCAN_DEFAULT 0x0000 /* Default scan of the driver */ #define IW_SCAN_ALL_ESSID 0x0001 /* Scan all ESSIDs */ #define IW_SCAN_THIS_ESSID 0x0002 /* Scan only this ESSID */ #define IW_SCAN_ALL_FREQ 0x0004 /* Scan all Frequencies */ #define IW_SCAN_THIS_FREQ 0x0008 /* Scan only this Frequency */ #define IW_SCAN_ALL_MODE 0x0010 /* Scan all Modes */ #define IW_SCAN_THIS_MODE 0x0020 /* Scan only this Mode */ #define IW_SCAN_ALL_RATE 0x0040 /* Scan all Bit-Rates */ #define IW_SCAN_THIS_RATE 0x0080 /* Scan only this Bit-Rate */ /* struct iw_scan_req scan_type */ #define IW_SCAN_TYPE_ACTIVE 0 #define IW_SCAN_TYPE_PASSIVE 1 /* Maximum size of returned data */ #define IW_SCAN_MAX_DATA 4096/* In bytes */
/* IW_AUTH_ROAMING_CONTROL values */ #define IW_AUTH_ROAMING_ENABLE 0/* driver/firmware based roaming */ #define IW_AUTH_ROAMING_DISABLE 1/* user space program used for roaming
* control */
/* --------------------------- SUBTYPES --------------------------- */ /* *Genericformatformostparametersthatfitinanint
*/ struct iw_param {
__s32 value; /* The value of the parameter itself */
__u8 fixed; /* Hardware should not use auto select */
__u8 disabled; /* Disable the feature */
__u16 flags; /* Various specifc flags (if any) */
};
/* *Foralldatalargerthan16octets,weneedtousea *pointertomemoryallocatedinuserspace.
*/ struct iw_point { void __user *pointer; /* Pointer to the data (in user space) */
__u16 length; /* number of fields or size in bytes */
__u16 flags; /* Optional params */
};
/* *Afrequency *Fornumberslowerthan10^9,weencodethenumberin'm'and *set'e'to0 *Fornumbergreaterthan10^9,wedivideitbythelowestpower *of10toget'm'lowerthan10^9,with'm'=f/(10^'e')... *Thepowerof10isin'e',theresultofthedivisionisin'm'.
*/ struct iw_freq {
__s32 m; /* Mantissa */
__s16 e; /* Exponent */
__u8 i; /* List index (when in range struct) */
__u8 flags; /* Flags (fixed/auto) */
};
/* *Qualityofthelink
*/ struct iw_quality {
__u8 qual; /* link quality (%retries, SNR,
%missed beacons or better...) */
__u8 level; /* signal level (dBm) */
__u8 noise; /* noise level (dBm) */
__u8 updated; /* Flags to know if updated */
};
/* IWEVMICHAELMICFAILURE data */ struct iw_michaelmicfailure {
__u32 flags; struct sockaddr src_addr;
__u8 tsc[IW_ENCODE_SEQ_MAX_SIZE]; /* LSB first */
};
/* IWEVPMKIDCAND data */ #define IW_PMKID_CAND_PREAUTH 0x00000001 /* RNS pre-authentication enabled */ struct iw_pmkid_cand {
__u32 flags; /* IW_PMKID_CAND_* */
__u32 index; /* the smaller the index, the higher the
* priority */ struct sockaddr bssid;
};
/* ------------------------ WIRELESS STATS ------------------------ */ /* *Wirelessstatistics(usedfor/proc/net/wireless)
*/ struct iw_statistics {
__u16 status; /* Status
* - device dependent for now */
struct iw_quality qual; /* Quality of the link
* (instant/mean/max) */ struct iw_discarded discard; /* Packet discarded counts */ struct iw_missed miss; /* Packet missed counts */
};
/* ------------------------ IOCTL REQUEST ------------------------ */ /* *Thisstructuredefinesthepayloadofanioctl,andisused *below. * *Notethatthisstructureshouldfitonthememoryfootprint *ofiwreq(whichisthesameasifreq),whichmeanamaxsizeof *16octets=128bits.Warning,pointersmightbe64bitswide... *Youshouldcheckthiswhenincreasingthestructuresdefined *aboveinthisfile...
*/ union iwreq_data { /* Config - generic */ char name[IFNAMSIZ]; /* Name : used to verify the presence of wireless extensions.
* Name of the protocol/provider... */
struct iw_point essid; /* Extended network name */ struct iw_param nwid; /* network id (or domain - the cell) */ struct iw_freq freq; /* frequency or channel : *0-1000=channel
* > 1000 = frequency in Hz */
struct iw_param param; /* Other small parameters */ struct iw_point data; /* Other large parameters */
};
/* *Thestructuretoexchangedataforioctl. *Thisstructureisthesameas'structifreq',but(re)definedfor *convenience... *DoIneedtoremindyouaboutstructuresize(32octets)?
*/ struct iwreq { union
{ char ifrn_name[IFNAMSIZ]; /* if name, e.g. "eth0" */
} ifr_ifrn;
/* Data part (defined just above) */ union iwreq_data u;
};
/* -------------------------- IOCTL DATA -------------------------- */ /* *Forthoseioctlwhichwanttoexchangemodedatathatwhatcould *fitintheabovestructure...
*/
/* *Rangeofparameters
*/
struct iw_range { /* Informative stuff (to choose between different interface) */
__u32 throughput; /* To give an idea... */ /* In theory this value should be the maximum benchmarked *TCP/IPthroughput,becausewithmostofthesedevicesthe *bitrateismeaningless(overheadanco)toestimatehow *fasttheconnectionwillgoandpickthefastestone. *IsuggestpeopletoplaywithNetperforanybenchmark...
*/
/* NWID (or domain id) */
__u32 min_nwid; /* Minimal NWID we are able to set */
__u32 max_nwid; /* Maximal NWID we are able to set */
/* Old Frequency (backward compat - moved lower ) */
__u16 old_num_channels;
__u8 old_num_frequency;
/* Scan capabilities */
__u8 scan_capa; /* IW_SCAN_CAPA_* bit field */
/* signal level threshold range */
__s32 sensitivity;
/* Quality of link & SNR stuff */ /* Quality range (link, level, noise) *Ifthequalityisabsolute,itwillbeintherange[0;max_qual], *ifthequalityisdBm,itwillbeintherange[max_qual;0].
* Don't forget that we use 8 bit arithmetics... */ struct iw_quality max_qual; /* Quality of the link */ /* This should contain the average/typical values of the quality *indicator.Thisshouldbethethresholdbetweena"good"and *a"bad"link(example:monitorgoingfromgreentoorange). *Currently,userspaceappslikequalitymonitorsdon'thaveany *waytocalibratethemeasurement.Withthis,theycansplit *therangebetween0andmax_qualindifferentqualitylevel *(usingageometricsubdivisioncenteredontheaverage). *Iexpectthatpeopledoingtheuserspaceappswillfeedback
* us on which value we need to put in each driver... */ struct iw_quality avg_qual; /* Quality of the link */
/* Rates */
__u8 num_bitrates; /* Number of entries in the list */
__s32 bitrate[IW_MAX_BITRATES]; /* list, in bps */
/* Power Management duration & timeout */
__s32 min_pmp; /* Minimal PM period */
__s32 max_pmp; /* Maximal PM period */
__s32 min_pmt; /* Minimal PM timeout */
__s32 max_pmt; /* Maximal PM timeout */
__u16 pmp_flags; /* How to decode max/min PM period */
__u16 pmt_flags; /* How to decode max/min PM timeout */
__u16 pm_capa; /* What PM options are supported */
/* Encoder stuff */
__u16 encoding_size[IW_MAX_ENCODING_SIZES]; /* Different token sizes */
__u8 num_encoding_sizes; /* Number of entry in the list */
__u8 max_encoding_tokens; /* Max number of tokens */ /* For drivers that need a "login/passwd" form */
__u8 encoding_login_index; /* token index for login token */
/* Transmit power */
__u16 txpower_capa; /* What options are supported */
__u8 num_txpower; /* Number of entries in the list */
__s32 txpower[IW_MAX_TXPOWER]; /* list, in bps */
/* Wireless Extension version info */
__u8 we_version_compiled; /* Must be WIRELESS_EXT */
__u8 we_version_source; /* Last update of source */
/* Retry limits and lifetime */
__u16 retry_capa; /* What retry options are supported */
__u16 retry_flags; /* How to decode max/min retry limit */
__u16 r_time_flags; /* How to decode max/min retry life */
__s32 min_retry; /* Minimal number of retries */
__s32 max_retry; /* Maximal number of retries */
__s32 min_r_time; /* Minimal retry lifetime */
__s32 max_r_time; /* Maximal retry lifetime */
/* Frequency */
__u16 num_channels; /* Number of channels [0; num - 1] */
__u8 num_frequency; /* Number of entry in the list */ struct iw_freq freq[IW_MAX_FREQUENCIES]; /* list */ /* Note : this frequency list doesn't need to fit channel numbers,
* because each entry contain its channel index */
__u32 enc_capa; /* IW_ENC_CAPA_* bit field */
};
/* *Privateioctlinterfaceinformation
*/
struct iw_priv_args {
__u32 cmd; /* Number of the ioctl to issue */
__u16 set_args; /* Type and number of args */
__u16 get_args; /* Type and number of args */ char name[IFNAMSIZ]; /* Name of the extension */
};
/* *AWirelessEvent.Containsbasicallythesamedataastheioctl...
*/ struct iw_event {
__u16 len; /* Real length of this stuff */
__u16 cmd; /* Wireless IOCTL */ union iwreq_data u; /* IOCTL fixed payload */
};
/* Size of the Event prefix (including padding and alignement junk) */ #define IW_EV_LCP_LEN (sizeof(struct iw_event) - sizeof(union iwreq_data)) /* Size of the various events */ #define IW_EV_CHAR_LEN (IW_EV_LCP_LEN + IFNAMSIZ) #define IW_EV_UINT_LEN (IW_EV_LCP_LEN + sizeof(__u32)) #define IW_EV_FREQ_LEN (IW_EV_LCP_LEN + sizeof(struct iw_freq)) #define IW_EV_PARAM_LEN (IW_EV_LCP_LEN + sizeof(struct iw_param)) #define IW_EV_ADDR_LEN (IW_EV_LCP_LEN + sizeof(struct sockaddr)) #define IW_EV_QUAL_LEN (IW_EV_LCP_LEN + sizeof(struct iw_quality))
/* iw_point events are special. First, the payload (extra data) come at *theendoftheevent,sotheyarebiggerthanIW_EV_POINT_LEN.Second,
* we omit the pointer, so start at an offset. */ #define IW_EV_POINT_OFF offsetof(struct iw_point, length) #define IW_EV_POINT_LEN (IW_EV_LCP_LEN + sizeof(struct iw_point) - \
IW_EV_POINT_OFF)
/* Size of the Event prefix when packed in stream */ #define IW_EV_LCP_PK_LEN (4) /* Size of the various events when packed in stream */ #define IW_EV_CHAR_PK_LEN (IW_EV_LCP_PK_LEN + IFNAMSIZ) #define IW_EV_UINT_PK_LEN (IW_EV_LCP_PK_LEN + sizeof(__u32)) #define IW_EV_FREQ_PK_LEN (IW_EV_LCP_PK_LEN + sizeof(struct iw_freq)) #define IW_EV_PARAM_PK_LEN (IW_EV_LCP_PK_LEN + sizeof(struct iw_param)) #define IW_EV_ADDR_PK_LEN (IW_EV_LCP_PK_LEN + sizeof(struct sockaddr)) #define IW_EV_QUAL_PK_LEN (IW_EV_LCP_PK_LEN + sizeof(struct iw_quality)) #define IW_EV_POINT_PK_LEN (IW_EV_LCP_PK_LEN + 4)
#endif/* _UAPI_LINUX_WIRELESS_H */
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