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madwifi/net80211/ieee80211_var.h

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/*-
* Copyright (c) 2001 Atsushi Onoe
* Copyright (c) 2002-2005 Sam Leffler, Errno Consulting
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* Alternatively, this software may be distributed under the terms of the
* GNU General Public License ("GPL") version 2 as published by the Free
* Software Foundation.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $Id$
*/
#ifndef _NET80211_IEEE80211_VAR_H_
#define _NET80211_IEEE80211_VAR_H_
/* Definitions for IEEE 802.11 drivers. */
#include <net80211/ieee80211_linux.h>
#include <sys/queue.h>
#include <net80211/_ieee80211.h>
#include <net80211/ieee80211.h>
#include <net80211/ieee80211_crypto.h>
#include <net80211/ieee80211_ioctl.h> /* for ieee80211_stats */
#include <net80211/ieee80211_power.h>
#include <net80211/ieee80211_proto.h>
#include <net80211/ieee80211_scan.h>
/* NB:
* - Atheros chips use 6 bits when power is specified in whole dBm units, with
* a value range from 0 to 63.
* - Atheros chips use 7 bits when power is specified in half dBm units, with
* a value range from 0 to 127.
*/
#define IEEE80211_TXPOWER_MAX 127 /* .5 dBm units */
#define IEEE80211_TXPOWER_MIN 0 /* kill radio */
#define IEEE80211_DTIM_MAX 15 /* max DTIM period */
#define IEEE80211_DTIM_MIN 1 /* min DTIM period */
#define IEEE80211_DTIM_DEFAULT 1 /* default DTIM period */
#define IEEE80211_BINTVAL_MAX 1000 /* max beacon interval (TUs) */
#define IEEE80211_BINTVAL_MIN 25 /* min beacon interval (TUs) */
#define IEEE80211_BINTVAL_DEFAULT 100 /* default beacon interval (TUs) */
#define IEEE80211_BINTVAL_VALID(_bi) \
((IEEE80211_BINTVAL_MIN <= (_bi)) && \
((_bi) <= IEEE80211_BINTVAL_MAX))
#define IEEE80211_BINTVAL_SANITISE(_bi) \
(IEEE80211_BINTVAL_VALID(_bi) ? \
(_bi) : IEEE80211_BINTVAL_DEFAULT)
#define IEEE80211_BMISSTHRESH_BMIN 2 /* min bmiss threshold (beacons) */
/* Default beacon miss threshold is set to roundup from 850ms
* This is halfway between the 10@100ms default from prior hardcoded setting for
* software beacon miss timers, and the 7@100ms default from prior hardcoded
* timer value for hardware beacon miss timer.
* Based upon emperical evidence and practices of commercial vendors, I believe
* this should really be 2500ms by default. */
#define IEEE80211_BMISSTHRESH_DEFAULT_MS 850
#define IEEE80211_BMISSTHRESH_VALID(_bmt) \
(IEEE80211_BMISSTHRESH_BMIN <= (_bmt))
#define IEEE80211_BMISSTHRESH_SANITISE(_bmt) \
((IEEE80211_BMISSTHRESH_BMIN > (_bmt)) ? \
IEEE80211_BMISSTHRESH_BMIN : (_bmt))
#define IEEE80211_BGSCAN_INTVAL_MIN 15 /* min bg scan intvl (secs) */
#define IEEE80211_BGSCAN_INTVAL_DEFAULT (5 * 60) /* default BG scan int. */
#define IEEE80211_BGSCAN_IDLE_MIN 100 /* min idle time (ms) */
#define IEEE80211_BGSCAN_IDLE_DEFAULT 250 /* default idle time (ms) */
#define IEEE80211_COVERAGE_CLASS_MAX 31 /* max coverage class */
#define IEEE80211_REGCLASSIDS_MAX 10 /* max regclass id list */
#define IEEE80211_PS_SLEEP 0x1 /* STA is in power saving mode */
#define IEEE80211_PS_MAX_QUEUE 50 /* maximum saved packets */
#define IEEE80211_XR_BEACON_FACTOR 3 /* factor between xr Beacon interval and normal beacon interval */
#define IEEE80211_XR_DEFAULT_RATE_INDEX 0
#define IEEE80211_XR_FRAG_THRESHOLD 540
#define IEEE80211_FIXED_RATE_NONE -1
#define DEV_NAME(_d) \
((NULL == _d || NULL == _d->name || 0 == strncmp(_d->name, "wifi%d", 6)) ? \
"MadWifi" : \
_d->name)
#define VAP_DEV_NAME(_v) \
((NULL == _v) ? \
"MadWifi" : \
DEV_NAME(_v->iv_dev))
#define SC_DEV_NAME(_sc) \
((NULL == _sc) ? \
"MadWifi" : \
DEV_NAME(_sc->sc_dev))
#define VAP_IC_DEV_NAME(_v) \
((NULL == _v || NULL == _v->iv_ic) ? \
"MadWifi" : \
DEV_NAME(_v->iv_ic->ic_dev))
/*
* TU conversions:
*
* TU is a 32bit value and defined by IEEE802.11 (page 6) as "A measurement of
* time equal to 1024 usec (microseconds)".
*
* TSF is a 64bit value in usec, therefore if we right shift it by 10 bit this
* will directly convert it to TU. The rest is truncated to fit into 32 bit.
*/
#define IEEE80211_TSF_TO_TU(_tsf) ((u_int32_t)((_tsf) >> 10))
#define IEEE80211_MS_TO_TU(x) (((x) * 1000) / 1024)
#define IEEE80211_TU_TO_MS(x) (((x) * 1024) / 1000)
#define IEEE80211_TU_TO_JIFFIES(x) ((IEEE80211_TU_TO_MS(x) * HZ) / 1000)
#define IEEE80211_JIFFIES_TO_TU(x) IEEE80211_MS_TO_TU((x) * 1000 / HZ)
#define IEEE80211_APPIE_MAX 1024
#define IEEE80211_PWRCONSTRAINT_VAL(ic) \
(((ic)->ic_bsschan->ic_maxregpower > (ic)->ic_curchanmaxpwr) ? \
(ic)->ic_bsschan->ic_maxregpower - (ic)->ic_curchanmaxpwr : 0)
/* 802.11 control state is split into a common portion that maps
* 1-1 to a physical device and one or more "Virtual APs" (VAP)
* that are bound to an ieee80211com instance and share a single
* underlying device. Each VAP has a corresponding OS device
* entity through which traffic flows and that applications use
* for issuing ioctls, etc.
*/
/* Data common to one or more virtual APs. State shared by
* the underlying device and the net80211 layer is exposed here;
* e.g. device-specific callbacks.
*/
struct ieee80211com;
struct ieee80211_proc_entry;
struct vlan_group;
struct eapolcom;
struct ieee80211_aclator;
struct ieee80211_nsparams {
enum ieee80211_state newstate;
int arg;
int result;
};
#define IW_MAX_SPY 8
struct ieee80211_spy {
u_int8_t mac[IW_MAX_SPY * IEEE80211_ADDR_LEN];
u_int64_t ts_rssi[IW_MAX_SPY]; /* ts of rssi value from last read */
u_int8_t thr_low; /* 1 byte rssi value, 0 = threshold is off */
u_int8_t thr_high; /* 1 byte rssi value */
u_int8_t num;
};
struct ieee80211_app_ie {
u_int32_t length; /* buffer length */
struct ieee80211_ie *ie; /* buffer containing one or more IEs */
};
struct ieee80211vap {
struct net_device *iv_dev; /* associated device */
struct net_device_stats iv_devstats; /* interface statistics */
struct ifmedia iv_media; /* interface media config */
struct iw_statistics iv_iwstats; /* wireless statistics block */
struct ctl_table_header *iv_sysctl_header;
struct ctl_table *iv_sysctls;
struct proc_dir_entry *iv_proc;
struct ieee80211_proc_entry *iv_proc_entries;
struct vlan_group *iv_vlgrp; /* vlan group state */
TAILQ_ENTRY(ieee80211vap) iv_next; /* list of vap instances */
struct ieee80211com *iv_ic; /* back ptr to common state */
u_int32_t iv_debug; /* debug msg flags */
struct ieee80211_stats iv_stats; /* statistics */
int iv_monitor_nods_only; /* in monitor mode only nods traffic */
int iv_monitor_txf_len; /* in monitor mode, truncate tx packets */
int iv_monitor_phy_errors; /* in monitor mode, accept phy errors */
int iv_monitor_crc_errors; /* in monitor mode, accept crc errors */
int (*iv_newstate)(struct ieee80211vap *, enum ieee80211_state, int);
u_int8_t iv_myaddr[IEEE80211_ADDR_LEN];
u_int32_t iv_flags; /* state flags */
u_int32_t iv_flags_ext; /* extension of state flags */
u_int32_t iv_caps; /* capabilities */
u_int8_t iv_ath_cap; /* Atheros adv. capabilities */
enum ieee80211_opmode iv_opmode; /* operation mode */
enum ieee80211_state iv_state; /* state machine state */
struct timer_list iv_mgtsend; /* mgmt frame response timer */
/* inactivity timer settings */
int iv_inact_init; /* setting for new station */
int iv_inact_auth; /* auth but not assoc setting */
int iv_inact_run; /* authorized setting */
int iv_inact_probe; /* inactive probe time */
int iv_des_nssid; /* # desired ssids */
struct ieee80211_scan_ssid iv_des_ssid[1]; /* desired ssid table */
u_int8_t iv_des_bssid[IEEE80211_ADDR_LEN];
struct ieee80211_channel *iv_des_chan; /* desired channel */
u_int16_t iv_des_mode; /* desired mode */
int iv_nicknamelen; /* XXX junk */
u_int8_t iv_nickname[IEEE80211_NWID_LEN];
u_int iv_bgscanidle; /* bg scan idle threshold */
u_int iv_bgscanintvl; /* bg scan min interval */
u_int iv_scanvalid; /* scan cache valid threshold */
struct ieee80211_roam iv_roam; /* sta-mode roaming state */
unsigned long iv_csa_jiffies; /* last csa recv jiffies */
u_int8_t iv_csa_count; /* last csa count */
struct ieee80211_channel *iv_csa_chan; /* last csa channel */
u_int8_t iv_csa_mode; /* last csa mode */
struct timer_list iv_csa_timer; /* csa timer */
u_int32_t *iv_aid_bitmap; /* association id map */
u_int16_t iv_max_aid;
u_int16_t iv_sta_assoc; /* stations associated */
u_int16_t iv_ps_sta; /* stations in power save */
u_int16_t iv_ps_pending; /* PS STAs w/ pending frames */
u_int8_t *iv_tim_bitmap; /* power-save stations w/ data */
u_int16_t iv_tim_len; /* ic_tim_bitmap size (bytes) */
u_int8_t iv_dtim_period; /* DTIM period */
u_int8_t iv_dtim_count; /* DTIM count from last bcn */
/* set/unset aid pwrsav state */
void (*iv_set_tim)(struct ieee80211_node *, int);
u_int8_t iv_uapsdinfo; /* sta mode QoS Info flags */
struct ieee80211_node *iv_bss; /* information for this node */
u_int8_t iv_bssid[IEEE80211_ADDR_LEN];
int iv_fixed_rate; /* 802.11 rate or IEEE80211_FIXED_RATE_NONE */
u_int16_t iv_rtsthreshold;
u_int16_t iv_fragthreshold;
u_int16_t iv_txmin; /* min tx retry count */
u_int16_t iv_txmax; /* max tx retry count */
u_int16_t iv_txlifetime; /* tx lifetime */
int iv_inact_timer; /* inactivity timer wait */
void *iv_opt_ie; /* user-specified IEs */
u_int16_t iv_opt_ie_len; /* length of ni_opt_ie */
ieee80211_keyix_t iv_def_txkey; /* default/group TX key index */
struct ieee80211_key iv_nw_keys[IEEE80211_WEP_NKID];
ieee80211_keyix_t (*iv_key_alloc)(struct ieee80211vap *, const struct ieee80211_key *);
int (*iv_key_delete)(struct ieee80211vap *, const struct ieee80211_key *,
struct ieee80211_node *);
int (*iv_key_set)(struct ieee80211vap *, const struct ieee80211_key *,
const u_int8_t mac[IEEE80211_ADDR_LEN]);
void (*iv_key_update_begin)(struct ieee80211vap *);
void (*iv_key_update_end)(struct ieee80211vap *);
#ifdef ATH_SUPERG_COMP
void (*iv_comp_set)(struct ieee80211vap *, struct ieee80211_node *, int);
#endif
const struct ieee80211_authenticator *iv_auth; /* authenticator glue */
void *iv_ec; /* private auth state */
struct ieee80211vap *iv_xrvap; /* pointer to XR VAP , if XR is enabled */
u_int16_t iv_xrbcnwait; /* SWBA count incremented until it reaches XR_BECON_FACTOR */
struct timer_list iv_xrvapstart; /* timer to start xr */
u_int8_t iv_chanchange_count; /* 11h counter for channel change */
int iv_mcast_rate; /* Multicast rate (Kbps) */
const struct ieee80211_aclator *iv_acl; /* aclator glue */
void *iv_as; /* private aclator state */
struct timer_list iv_swbmiss; /* software beacon miss timer */
u_int16_t iv_swbmiss_period; /* software beacon miss timer period */
struct ieee80211_nsparams iv_nsparams; /* new state parameters for tasklet for stajoin1 */
struct IEEE80211_TQ_STRUCT iv_stajoin1tq; /* tasklet for newstate action called from stajoin1tq */
unsigned int iv_nsdone; /* Done with scheduled newstate tasklet */
uint8_t wds_mac[IEEE80211_ADDR_LEN];
struct ieee80211_spy iv_spy; /* IWSPY support */
struct ieee80211_app_ie app_ie[IEEE80211_APPIE_NUM_OF_FRAME]; /* app-specified IEs by frame type */
u_int32_t app_filter; /* filters which management frames are forwarded to app */
};
/* Debug functions need the defintion of struct ieee80211vap because iv_debug
* is used at runtime to determine if we should log an event
*/
#include <net80211/ieee80211_debug.h>
#include <net80211/ieee80211_node.h>
#include <net80211/ieee80211_skb.h>
struct ieee80211com {
struct net_device *ic_dev; /* associated device */
ieee80211com_lock_t ic_comlock; /* state update lock */
ieee80211com_lock_t ic_vapslock; /* vap state machine lock */
TAILQ_HEAD(ieee80211vap_headtype,
ieee80211vap) ic_vaps; /* list of vap instances */
enum ieee80211_phytype ic_phytype; /* XXX wrong for multi-mode */
enum ieee80211_opmode ic_opmode; /* operation mode */
struct ifmedia ic_media; /* interface media config */
u_int8_t ic_myaddr[IEEE80211_ADDR_LEN];
struct timer_list ic_inact; /* mgmt/inactivity timer */
u_int32_t ic_flags; /* state flags */
u_int32_t ic_flags_ext; /* extension of state flags */
u_int32_t ic_caps; /* capabilities */
u_int8_t ic_ath_cap; /* Atheros adv. capabilities */
u_int8_t ic_promisc; /* VAPs needing promisc mode */
u_int8_t ic_allmulti; /* VAPs needing all multicast */
u_int8_t ic_nopened; /* VAPs been opened */
struct ieee80211_rateset ic_sup_rates[IEEE80211_MODE_MAX];
struct ieee80211_rateset ic_sup_xr_rates;
struct ieee80211_rateset ic_sup_half_rates;
struct ieee80211_rateset ic_sup_quarter_rates;
u_int16_t ic_modecaps; /* set of mode capabilities */
u_int16_t ic_curmode; /* current mode */
u_int16_t ic_lintval; /* beacon interval */
u_int16_t ic_holdover; /* PM hold over duration */
u_int16_t ic_bmissthreshold; /* beacon miss threshold (# beacons) */
unsigned long ic_bmiss_guard; /* when to cease ignoring bmiss (jiffies) */
u_int16_t ic_txpowlimit; /* global tx power limit (in 0.5 dBm) */
u_int16_t ic_newtxpowlimit; /* tx power limit to change to (in 0.5 dBm) */
u_int16_t ic_uapsdmaxtriggers; /* max triggers that could arrive */
u_int8_t ic_coverageclass; /* coverage class */
/* Channel state:
*
* ic_channels is the set of available channels for the device;
* it is setup by the driver
* ic_nchans is the number of valid entries in ic_channels
* ic_chan_avail is a bit vector of these channels used to check
* whether a channel is available w/o searching the channel table.
* ic_chan_active is a (potentially) constrained subset of
* ic_chan_avail that reflects any mode setting or user-specified
* limit on the set of channels to use/scan
* ic_curchan is the current channel the device is set to; it may
* be different from ic_bsschan when we are off-channel scanning
* or otherwise doing background work
* ic_bsschan is the channel selected for operation; it may
* be undefined (IEEE80211_CHAN_ANYC)
*/
int ic_nchans; /* # entries in ic_channels */
struct ieee80211_channel ic_channels[IEEE80211_CHAN_MAX+1];
struct timeval ic_chan_non_occupy[IEEE80211_CHAN_MAX];
u_int8_t ic_chan_avail[IEEE80211_CHAN_BYTES];
u_int8_t ic_chan_active[IEEE80211_CHAN_BYTES];
struct ieee80211_channel *ic_curchan; /* current channel */
struct ieee80211_channel *ic_bsschan; /* bss channel */
int16_t ic_channoise; /* current channel noise in dBm */
struct timer_list ic_dfs_excl_timer;
/*
* Spectrum management (IEEE 802.11h-2003):
*
* ic_chan_nodes is an array of numbers of nodes that provide
* ni_suppchans with the given channel reported as supported. Index
* of the array is an IEEE channel number (ic_ieee)
* ic_cn_total is the number of nodes counted in ic_chan_nodes
* (provided ni_suppchans and are associated)
* ic_sc_mincom is the desired minimum number of common channels, the
* parameter used by SC_TIGHT and SC_STRICT algorithms
* ic_sc_algorithm is the algorithm for (re)association based on
* supported channels
* ic_sc_slcg is the permil of Stations Lost per Channel Gained, the
* parameter used by SC_TIGHT and SC_STRICT algorithms. If due to
* association of the STA and disassociation of x other STAs (out of
* y associated STAs in total), the number of common channel
* increases by z, then such an action is performed if
* 1000 * x/y < z * ic_sc_slcg
* ic_sc_sldg is the permil of Stations Lost per rssi Db Gained, the
* parameter used by SC_LOOSE algorithm. If due to the switch,
* the maximum RSSI of received packets on the current channel would
* decrease by z decibels and x stations from the set of y stations
* would be lost, then such a switch will be performed if
* 1000 * x/y < z * ic_sc_sldg
* ic_sc_ie is the Supported Channels IE that is about to be sent along
* with (re)assoc requests (STA mode)
*/
u_int16_t ic_chan_nodes[IEEE80211_CHAN_MAX+1];
u_int16_t ic_cn_total; /* # nodes counted in ic_chan nodes */
u_int16_t ic_sc_mincom; /* minimum number of common channels */
enum ieee80211_sc_algorithm ic_sc_algorithm;
u_int16_t ic_sc_slcg; /* permil of Stations Lost per Channel Gained */
u_int16_t ic_sc_sldg; /* permil of Stations Lost per rssi Db Gained */
struct ieee80211_ie_sc ic_sc_ie; /* Supported Channels IE */
/* Regulatory class ids */
u_int ic_nregclass; /* # entries in ic_regclassids */
u_int8_t ic_regclassids[IEEE80211_REGCLASSIDS_MAX];
/* Scan-related state */
struct ieee80211_scan_state *ic_scan; /* scan state */
enum ieee80211_roamingmode ic_roaming; /* roaming mode */
unsigned long ic_lastdata; /* time of last data frame */
unsigned long ic_lastscan; /* time last scan completed */
/* NB: this is the union of all vap stations/neighbors */
struct ieee80211_node_table ic_sta; /* stations/neighbors */
/* XXX Multi-BSS: split out common/VAP parts? */
struct ieee80211_wme_state ic_wme; /* WME/WMM state */
/* XXX Multi-BSS: can per-VAP be done/make sense? */
enum ieee80211_protmode ic_protmode; /* 802.11g protection mode */
int ic_rssi_ewma;
u_int16_t ic_nonerpsta; /* # non-ERP stations */
u_int16_t ic_longslotsta; /* # long slot time stations */
u_int16_t ic_sta_assoc; /* stations associated */
u_int16_t ic_dt_sta_assoc; /* dturbo capable stations */
u_int16_t ic_xr_sta_assoc; /* XR stations associated */
/* Spectrum management. */
u_int16_t ic_country_code;
int ic_country_outdoor;
struct ieee80211_ie_country ic_country_ie; /* country info element */
/* Current channel max. power, used to compute Power Constraint IE.
*
* NB: local power constraint depends on the channel, but assuming it must
* be detected dynamically, we cannot maintain a table (i.e., will not
* know value until change to channel and detect).
*/
u_int8_t ic_curchanmaxpwr;
u_int8_t ic_chanchange_tbtt;
u_int8_t ic_chanchange_chan;
/* Global debug flags applicable to all VAPs */
int ic_debug;
/* used for reference tracking/counting. Nodes are shared between VAPs,
* so we put this here. */
atomic_t ic_node_counter;
/* Virtual AP create/delete */
struct ieee80211vap *(*ic_vap_create)(struct ieee80211com *,
const char *, int, int, struct net_device *);
void (*ic_vap_delete)(struct ieee80211vap *);
/* Send/recv 802.11 management frame */
int (*ic_send_mgmt)(struct ieee80211_node *, int, int);
int (*ic_recv_mgmt)(struct ieee80211vap *, struct ieee80211_node *,
struct sk_buff *, int, int, u_int64_t);
/* Send management frame to driver (like hardstart) */
int (*ic_mgtstart)(struct ieee80211com *, struct sk_buff *);
/* Reset device state after 802.11 parameter/state change */
int (*ic_init)(struct net_device *);
int (*ic_reset)(struct net_device *);
/* Update device state for 802.11 slot time change */
void (*ic_updateslot)(struct net_device *);
/* New station association callback/notification */
void (*ic_newassoc)(struct ieee80211_node *, int);
/* Node state management */
int32_t (*ic_node_count)(struct ieee80211com *);
struct ieee80211_node *(*ic_node_alloc)(struct ieee80211vap *);
void (*ic_node_cleanup)(struct ieee80211_node *);
void (*ic_node_free)(struct ieee80211_node *);
u_int8_t (*ic_node_getrssi)(const struct ieee80211_node *);
u_int8_t (*ic_node_move_data)(const struct ieee80211_node *);
/* Scanning support */
void (*ic_scan_start)(struct ieee80211com *);
void (*ic_scan_end)(struct ieee80211com *);
void (*ic_set_channel)(struct ieee80211com *);
/* U-APSD support */
void (*ic_uapsd_flush)(struct ieee80211_node *);
/* continuous transmission support */
void (*ic_set_txcont)(struct ieee80211com *, int);
int (*ic_get_txcont)(struct ieee80211com *);
void (*ic_set_txcont_power)(struct ieee80211com *, u_int);
int (*ic_get_txcont_power)(struct ieee80211com *);
void (*ic_set_txcont_rate)(struct ieee80211com *, u_int);
u_int (*ic_get_txcont_rate)(struct ieee80211com *);
/* DFS test mode prevents marking channel interference and channel
* switching during detection probability tests */
void (*ic_set_dfs_testmode)(struct ieee80211com *, int);
int (*ic_get_dfs_testmode)(struct ieee80211com *);
/* inject a fake radar signal -- used while on a 802.11h DFS channels */
unsigned int (*ic_test_radar)(struct ieee80211com *);
/* dump HAL */
unsigned int (*ic_dump_hal_map)(struct ieee80211com *);
/* DFS channel availability check time (in seconds) */
void (*ic_set_dfs_cac_time)(struct ieee80211com *, unsigned int);
unsigned int (*ic_get_dfs_cac_time)(struct ieee80211com *);
/* DFS non-occupancy period (in seconds) */
void (*ic_set_dfs_excl_period)(struct ieee80211com *, unsigned int);
unsigned int (*ic_get_dfs_excl_period)(struct ieee80211com *);
/* Set coverage class */
void (*ic_set_coverageclass)(struct ieee80211com *);
/* MHz to IEEE channel conversion */
u_int (*ic_mhz2ieee)(struct ieee80211com *, u_int, u_int);
#ifdef ATH_REVERSE_ENGINEERING
/* debug and reverse engineering hooks */
void (*ic_registers_dump)(struct ieee80211com *);
void (*ic_registers_mark)(struct ieee80211com *);
void (*ic_registers_dump_delta)(struct ieee80211com *);
unsigned int (*ic_write_register)(struct ieee80211com *, unsigned int, unsigned int);
unsigned int (*ic_read_register)(struct ieee80211com *, unsigned int, unsigned int*);
#endif /* #ifdef ATH_REVERSE_ENGINEERING */
int (*ic_debug_ath_iwpriv)(struct ieee80211com *, unsigned int param, unsigned int value);
};
#define MAX_PROC_IEEE80211_SIZE 16383
#define PROC_IEEE80211_PERM 0644
struct proc_ieee80211_priv {
int rlen;
int max_rlen;
char *rbuf;
int wlen;
int max_wlen;
char *wbuf;
};
struct ieee80211_proc_entry {
char *name;
struct file_operations *fileops;
struct proc_dir_entry *entry;
struct ieee80211_proc_entry *next;
};
MALLOC_DECLARE(M_80211_VAP);
#define IEEE80211_ADDR_NULL(a1) (memcmp(a1, "\x00\x00\x00\x00\x00\x00", \
IEEE80211_ADDR_LEN) == 0)
#define IEEE80211_ADDR_EQ(a1, a2) (memcmp(a1, a2, IEEE80211_ADDR_LEN) == 0)
#define IEEE80211_ADDR_COPY(dst, src) memcpy(dst, src, IEEE80211_ADDR_LEN)
#define IEEE80211_ADDR_SET_NULL(dst) memset(dst, 0, IEEE80211_ADDR_LEN)
/* ic_flags */
#define IEEE80211_F_FF 0x00000001 /* CONF: ATH FF enabled */
#define IEEE80211_F_TURBOP 0x00000002 /* CONF: ATH Turbo enabled*/
#define IEEE80211_F_PROMISC 0x00000004 /* STATUS: promiscuous mode */
#define IEEE80211_F_ALLMULTI 0x00000008 /* STATUS: all multicast mode */
/* NB: this is intentionally setup to be IEEE80211_CAPINFO_PRIVACY */
#define IEEE80211_F_PRIVACY 0x00000010 /* CONF: privacy enabled */
#define IEEE80211_F_PUREG 0x00000020 /* CONF: 11g w/o 11b STAs */
#define IEEE80211_F_XRUPDATE 0x00000040 /* CONF: update beacon XR element*/
#define IEEE80211_F_SCAN 0x00000080 /* STATUS: scanning */
#define IEEE80211_F_XR 0x00000100 /* CONF: operate in XR mode */
#define IEEE80211_F_SIBSS 0x00000200 /* STATUS: start IBSS */
/* NB: this is intentionally setup to be IEEE80211_CAPINFO_SHORT_SLOTTIME */
#define IEEE80211_F_SHSLOT 0x00000400 /* STATUS: use short slot time*/
#define IEEE80211_F_PMGTON 0x00000800 /* CONF: Power mgmt enable */
#define IEEE80211_F_DESBSSID 0x00001000 /* CONF: des_bssid is set */
#define IEEE80211_F_WME 0x00002000 /* CONF: enable WME use */
#define IEEE80211_F_BGSCAN 0x00004000 /* CONF: bg scan enabled */
#define IEEE80211_F_SWRETRY 0x00008000 /* CONF: sw tx retry enabled */
#define IEEE80211_F_TXPOW_FIXED 0x00010000 /* TX Power: fixed rate */
#define IEEE80211_F_IBSSON 0x00020000 /* CONF: IBSS creation enable */
#define IEEE80211_F_SHPREAMBLE 0x00040000 /* STATUS: use short preamble */
#define IEEE80211_F_DATAPAD 0x00080000 /* CONF: do alignment pad */
#define IEEE80211_F_USEPROT 0x00100000 /* STATUS: protection enabled */
#define IEEE80211_F_USEBARKER 0x00200000 /* STATUS: use barker preamble*/
#define IEEE80211_F_TIMUPDATE 0x00400000 /* STATUS: update beacon tim */
#define IEEE80211_F_WPA1 0x00800000 /* CONF: WPA enabled */
#define IEEE80211_F_WPA2 0x01000000 /* CONF: WPA2 enabled */
#define IEEE80211_F_WPA 0x01800000 /* CONF: WPA/WPA2 enabled */
#define IEEE80211_F_DROPUNENC 0x02000000 /* CONF: drop unencrypted */
#define IEEE80211_F_COUNTERM 0x04000000 /* CONF: TKIP countermeasures */
#define IEEE80211_F_HIDESSID 0x08000000 /* CONF: hide SSID in beacon */
#define IEEE80211_F_NOBRIDGE 0x10000000 /* CONF: disable internal bridge */
#define IEEE80211_F_WMEUPDATE 0x20000000 /* STATUS: update beacon wme */
#define IEEE80211_F_DOTH 0x40000000 /* CONF: enable 11.h (dot11SpectrumManagementRequired) */
#define IEEE80211_F_CHANSWITCH 0x80000000 /* force chanswitch */
/* ic_flags_ext */
#define IEEE80211_FEXT_WDS 0x00000001 /* CONF: 4 addr allowed */
#define IEEE80211_FEXT_COUNTRYIE 0x00000002 /* CONF: enable country IE */
#define IEEE80211_FEXT_SCAN_PENDING 0x00000004 /* STATE: scan pending */
#define IEEE80211_FEXT_BGSCAN 0x00000008 /* STATE: enable full bgscan completion */
#define IEEE80211_FEXT_UAPSD 0x00000010 /* CONF: enable U-APSD */
#define IEEE80211_FEXT_SLEEP 0x00000020 /* STATUS: sleeping */
#define IEEE80211_FEXT_EOSPDROP 0x00000040 /* drop uapsd EOSP frames for test */
#define IEEE80211_FEXT_MARKDFS 0x00000080 /* Enable marking of dfs interference */
#define IEEE80211_FEXT_REGCLASS 0x00000100 /* CONF: send regclassids in country ie */
#define IEEE80211_FEXT_ERPUPDATE 0x00000200 /* STATUS: update ERP element */
#define IEEE80211_FEXT_SWBMISS 0x00000400 /* CONF: use software beacon timer */
#define IEEE80211_FEXT_DROPUNENC_EAPOL 0x00000800 /* CONF: drop unencrypted eapol frames */
#define IEEE80211_FEXT_APPIE_UPDATE 0x00001000 /* STATE: beacon APP IE updated */
#define IEEE80211_COM_UAPSD_ENABLE(_ic) ((_ic)->ic_flags_ext |= IEEE80211_FEXT_UAPSD)
#define IEEE80211_COM_UAPSD_DISABLE(_ic) ((_ic)->ic_flags_ext &= ~IEEE80211_FEXT_UAPSD)
#define IEEE80211_COM_UAPSD_ENABLED(_ic) ((_ic)->ic_flags_ext & IEEE80211_FEXT_UAPSD)
#define IEEE80211_COM_GOTOSLEEP(_ic) ((_ic)->ic_flags_ext |= IEEE80211_FEXT_GOTOSLEEP)
#define IEEE80211_COM_WAKEUP(_ic) ((_ic)->ic_flags_ext &= ~IEEE80211_FEXT_SLEEP)
#define IEEE80211_COM_IS_SLEEPING(_ic) ((_ic)->ic_flags_ext & IEEE80211_FEXT_SLEEP)
#define IEEE80211_VAP_UAPSD_ENABLE(_v) ((_v)->iv_flags_ext |= IEEE80211_FEXT_UAPSD)
#define IEEE80211_VAP_UAPSD_DISABLE(_v) ((_v)->iv_flags_ext &= ~IEEE80211_FEXT_UAPSD)
#define IEEE80211_VAP_UAPSD_ENABLED(_v) ((_v)->iv_flags_ext & IEEE80211_FEXT_UAPSD)
#define IEEE80211_VAP_GOTOSLEEP(_v) ((_v)->iv_flags_ext |= IEEE80211_FEXT_SLEEP)
#define IEEE80211_VAP_WAKEUP(_v) ((_v)->iv_flags_ext &= ~IEEE80211_FEXT_SLEEP)
#define IEEE80211_VAP_IS_SLEEPING(_v) ((_v)->iv_flags_ext & IEEE80211_FEXT_SLEEP)
#define IEEE80211_VAP_EOSPDROP_ENABLE(_v) ((_v)->iv_flags_ext |= IEEE80211_FEXT_EOSPDROP)
#define IEEE80211_VAP_EOSPDROP_DISABLE(_v) ((_v)->iv_flags_ext &= ~IEEE80211_FEXT_EOSPDROP)
#define IEEE80211_VAP_EOSPDROP_ENABLED(_v) ((_v)->iv_flags_ext & IEEE80211_FEXT_EOSPDROP)
#define IEEE80211_VAP_DROPUNENC_EAPOL_ENABLE(_v) \
((_v)->iv_flags_ext |= IEEE80211_FEXT_DROPUNENC_EAPOL)
#define IEEE80211_VAP_DROPUNENC_EAPOL_DISABLE(_v) \
((_v)->iv_flags_ext &= ~IEEE80211_FEXT_DROPUNENC_EAPOL)
#define IEEE80211_VAP_DROPUNENC_EAPOL(_v) ((_v)->iv_flags_ext & IEEE80211_FEXT_DROPUNENC_EAPOL)
/* ic_caps */
#define IEEE80211_C_WEP 0x00000001 /* CAPABILITY: WEP available */
#define IEEE80211_C_TKIP 0x00000002 /* CAPABILITY: TKIP available */
#define IEEE80211_C_AES 0x00000004 /* CAPABILITY: AES OCB avail */
#define IEEE80211_C_AES_CCM 0x00000008 /* CAPABILITY: AES CCM avail */
#define IEEE80211_C_CKIP 0x00000020 /* CAPABILITY: CKIP available */
#define IEEE80211_C_FF 0x00000040 /* CAPABILITY: ATH FF avail */
#define IEEE80211_C_TURBOP 0x00000080 /* CAPABILITY: ATH Turbo avail*/
#define IEEE80211_C_IBSS 0x00000100 /* CAPABILITY: IBSS available */
#define IEEE80211_C_PMGT 0x00000200 /* CAPABILITY: Power mgmt */
#define IEEE80211_C_HOSTAP 0x00000400 /* CAPABILITY: HOSTAP avail */
#define IEEE80211_C_AHDEMO 0x00000800 /* CAPABILITY: Old Adhoc Demo */
#define IEEE80211_C_SWRETRY 0x00001000 /* CAPABILITY: sw tx retry */
#define IEEE80211_C_TXPMGT 0x00002000 /* CAPABILITY: tx power mgmt */
#define IEEE80211_C_SHSLOT 0x00004000 /* CAPABILITY: short slottime */
#define IEEE80211_C_SHPREAMBLE 0x00008000 /* CAPABILITY: short preamble */
#define IEEE80211_C_MONITOR 0x00010000 /* CAPABILITY: monitor mode */
#define IEEE80211_C_TKIPMIC 0x00020000 /* CAPABILITY: TKIP MIC avail */
#define IEEE80211_C_WPA1 0x00800000 /* CAPABILITY: WPA1 avail */
#define IEEE80211_C_WPA2 0x01000000 /* CAPABILITY: WPA2 avail */
#define IEEE80211_C_WPA 0x01800000 /* CAPABILITY: WPA1+WPA2 avail*/
#define IEEE80211_C_BURST 0x02000000 /* CAPABILITY: frame bursting */
#define IEEE80211_C_WME 0x04000000 /* CAPABILITY: WME avail */
#define IEEE80211_C_WDS 0x08000000 /* CAPABILITY: 4-addr support */
#define IEEE80211_C_WME_TKIPMIC 0x10000000 /* CAPABILITY: TKIP MIC for QoS frame */
#define IEEE80211_C_BGSCAN 0x20000000 /* CAPABILITY: bg scanning */
#define IEEE80211_C_UAPSD 0x40000000 /* CAPABILITY: UAPSD */
/* XXX protection/barker? */
#define IEEE80211_C_CRYPTO 0x0000002f /* CAPABILITY: crypto alg's */
/* Atheros ABOLT definitions */
#define IEEE80211_ABOLT_TURBO_G 0x01 /* Legacy Turbo G */
#define IEEE80211_ABOLT_TURBO_PRIME 0x02 /* Turbo Prime */
#define IEEE80211_ABOLT_COMPRESSION 0x04 /* Compression */
#define IEEE80211_ABOLT_FAST_FRAME 0x08 /* Fast Frames */
#define IEEE80211_ABOLT_BURST 0x10 /* Bursting */
#define IEEE80211_ABOLT_WME_ELE 0x20 /* WME based cwmin/max/burst tuning */
#define IEEE80211_ABOLT_XR 0x40 /* XR */
#define IEEE80211_ABOLT_AR 0x80 /* AR switches out based on adjaced non-turbo traffic */
/* Atheros Advanced Capabilities ABOLT definition */
#define IEEE80211_ABOLT_ADVCAP (IEEE80211_ABOLT_TURBO_PRIME | \
IEEE80211_ABOLT_COMPRESSION | \
IEEE80211_ABOLT_FAST_FRAME | \
IEEE80211_ABOLT_XR | \
IEEE80211_ABOLT_AR | \
IEEE80211_ABOLT_BURST | \
IEEE80211_ABOLT_WME_ELE)
/* check if a capability was negotiated for use */
#define IEEE80211_ATH_CAP(vap, ni, bit) \
((ni)->ni_ath_flags & (vap)->iv_ath_cap & (bit))
/* flags to VAP create function */
#define IEEE80211_VAP_XR 0x10000 /* create a XR VAP without registering net device with OS */
int ieee80211_ifattach(struct ieee80211com *);
void ieee80211_ifdetach(struct ieee80211com *);
int ieee80211_vap_setup(struct ieee80211com *, struct net_device *,
const char *, int, int);
int ieee80211_vap_attach(struct ieee80211vap *, ifm_change_cb_t, ifm_stat_cb_t);
void ieee80211_vap_detach(struct ieee80211vap *);
void ieee80211_mark_dfs(struct ieee80211com *, struct ieee80211_channel *);
void ieee80211_dfs_test_return(struct ieee80211com *, u_int8_t);
void ieee80211_announce(struct ieee80211com *);
void ieee80211_announce_channels(struct ieee80211com *);
int ieee80211_media_change(struct net_device *);
void ieee80211_media_status(struct net_device *, struct ifmediareq *);
int ieee80211_rate2media(struct ieee80211com*, int, enum ieee80211_phymode);
int ieee80211_media2rate(int);
u_int ieee80211_mhz2ieee(u_int, u_int);
u_int ieee80211_chan2ieee(struct ieee80211com *, const struct ieee80211_channel *);
u_int ieee80211_ieee2mhz(u_int, u_int);
struct ieee80211_channel *ieee80211_find_channel(struct ieee80211com *, int, int);
int ieee80211_setmode(struct ieee80211com *, enum ieee80211_phymode);
void ieee80211_reset_erp(struct ieee80211com *, enum ieee80211_phymode);
enum ieee80211_phymode ieee80211_chan2mode(const struct ieee80211_channel *);
void ieee80211_build_countryie(struct ieee80211com *);
int ieee80211_media_setup(struct ieee80211com *, struct ifmedia *, u_int32_t,
ifm_change_cb_t, ifm_stat_cb_t);
void ieee80211_build_sc_ie(struct ieee80211com *);
void ieee80211_dfs_action(struct ieee80211com *);
void ieee80211_expire_channel_excl_restrictions(struct ieee80211com *);
/*
* Iterate through ic_channels to enumerate all distinct ic_ieee channel numbers.
* It relies on the assumption that ic_ieee cannot be 0 and that all the
* duplicates in ic_channels occur subsequently.
*
* _i and _prevchan are temporary variables
*/
#define CHANNEL_FOREACH(_chan, _ic, _i, _prevchan) \
for ((_i) = 0, (_prevchan) = 0; \
(_i) < (_ic)->ic_nchans && ((_chan) = \
(_ic)->ic_channels[(_i)].ic_ieee); \
(_prevchan) = (_chan), (_i)++ \
) if ((_chan) != (_prevchan))
/* Key update synchronization methods. XXX should not be visible. */
static __inline void
ieee80211_key_update_begin(struct ieee80211vap *vap)
{
vap->iv_key_update_begin(vap);
}
static __inline void
ieee80211_key_update_end(struct ieee80211vap *vap)
{
vap->iv_key_update_end(vap);
}
/* XXX these need to be here for IEEE80211_F_DATAPAD */
/*
* Return the space occupied by the 802.11 header and any
* padding required by the driver. This works for a
* management or data frame.
*/
static __inline int
ieee80211_hdrspace(struct ieee80211com *ic, const void *data)
{
int size = ieee80211_hdrsize(data);
if (ic->ic_flags & IEEE80211_F_DATAPAD)
size = roundup(size, sizeof(u_int32_t));
return size;
}
/* Like ieee80211_hdrspace, but handles any type of frame. */
static __inline int
ieee80211_anyhdrspace(struct ieee80211com *ic, const void *data)
{
int size = ieee80211_anyhdrsize(data);
if (ic->ic_flags & IEEE80211_F_DATAPAD)
size = roundup(size, sizeof(u_int32_t));
return size;
}
/* Macros to print MAC address used in 802.11 headers */
#define MAC_FMT "%02x:%02x:%02x:%02x:%02x:%02x"
#define MAC_ADDR(addr) \
((unsigned char *)(addr)) [0], \
((unsigned char *)(addr)) [1], \
((unsigned char *)(addr)) [2], \
((unsigned char *)(addr)) [3], \
((unsigned char *)(addr)) [4], \
((unsigned char *)(addr)) [5]
#endif /* _NET80211_IEEE80211_VAR_H_ */
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