void
ieee80211_ifattach(struct ifnet *ifp)
{
struct ieee80211com *ic = (void *)ifp;
memcpy(((struct arpcom *)ifp)->ac_enaddr, ic->ic_myaddr,
ETHER_ADDR_LEN);
ether_ifattach(ifp);
ifp->if_output = ieee80211_output;
#if NBPFILTER > 0
bpfattach(&ic->ic_rawbpf, ifp, DLT_IEEE802_11,
sizeof(struct ieee80211_frame_addr4));
#endif
ieee80211_crypto_attach(ifp);
ieee80211_channel_init(ifp);
/* IEEE 802.11 defines a MTU >= 2290 */
ifp->if_capabilities |= IFCAP_VLAN_MTU;
ieee80211_setbasicrates(ic);
(void)ieee80211_setmode(ic, ic->ic_curmode);
if (ic->ic_lintval == 0)
ic->ic_lintval = 100; /* default sleep */
ic->ic_bmisstimeout = 7*ic->ic_lintval; /* default 7 beacons */
ic->ic_dtim_period = 1; /* all TIMs are DTIMs */
LIST_INSERT_HEAD(&ieee80211com_head, ic, ic_list);
ieee80211_node_attach(ifp);
ieee80211_proto_attach(ifp);
if_addgroup(ifp, "wlan");
ifp->if_priority = IF_WIRELESS_DEFAULT_PRIORITY;
}
/*
* Attach/setup the common net80211 state. Called by
* the driver on attach to prior to creating any vap's.
*/
void
ieee80211_ifattach(struct ieee80211com *ic,
const uint8_t macaddr[IEEE80211_ADDR_LEN])
{
struct ifnet *ifp = ic->ic_ifp;
struct sockaddr_dl *sdl;
struct ifaddr *ifa;
KASSERT(ifp->if_type == IFT_IEEE80211, ("if_type %d", ifp->if_type));
TAILQ_INIT(&ic->ic_vaps);
/* Create a taskqueue for all state changes */
ic->ic_tq = taskqueue_create("ic_taskq", M_WAITOK | M_ZERO,
taskqueue_thread_enqueue, &ic->ic_tq);
taskqueue_start_threads(&ic->ic_tq, 1, TDPRI_KERN_DAEMON, -1,
"%s taskq", ifp->if_xname);
/*
* Fill in 802.11 available channel set, mark all
* available channels as active, and pick a default
* channel if not already specified.
*/
ieee80211_media_init(ic);
ic->ic_update_mcast = null_update_mcast;
ic->ic_update_promisc = null_update_promisc;
ic->ic_hash_key = karc4random();
ic->ic_bintval = IEEE80211_BINTVAL_DEFAULT;
ic->ic_lintval = ic->ic_bintval;
ic->ic_txpowlimit = IEEE80211_TXPOWER_MAX;
ieee80211_crypto_attach(ic);
ieee80211_node_attach(ic);
ieee80211_power_attach(ic);
ieee80211_proto_attach(ic);
#ifdef IEEE80211_SUPPORT_SUPERG
ieee80211_superg_attach(ic);
#endif
ieee80211_ht_attach(ic);
ieee80211_scan_attach(ic);
ieee80211_regdomain_attach(ic);
ieee80211_dfs_attach(ic);
ieee80211_sysctl_attach(ic);
ifp->if_addrlen = IEEE80211_ADDR_LEN;
ifp->if_hdrlen = 0;
if_attach(ifp, NULL);
ifp->if_mtu = IEEE80211_MTU_MAX;
ifp->if_broadcastaddr = ieee80211broadcastaddr;
ifp->if_output = null_output;
ifp->if_input = null_input; /* just in case */
ifp->if_resolvemulti = NULL; /* NB: callers check */
ifa = ifaddr_byindex(ifp->if_index);
KASSERT(ifa != NULL, ("%s: no lladdr!", __func__));
sdl = (struct sockaddr_dl *)ifa->ifa_addr;
sdl->sdl_type = IFT_ETHER; /* XXX IFT_IEEE80211? */
sdl->sdl_alen = IEEE80211_ADDR_LEN;
IEEE80211_ADDR_COPY(LLADDR(sdl), macaddr);
// IFAFREE(ifa);
}
void
ieee80211_ifattach(struct ieee80211com *ic)
{
struct ifnet *ifp = ic->ic_ifp;
struct ieee80211_channel *c;
int i;
#ifdef __NetBSD__
ieee80211_init();
#endif /* __NetBSD__ */
ether_ifattach(ifp, ic->ic_myaddr);
bpf_attach2(ifp, DLT_IEEE802_11,
sizeof(struct ieee80211_frame_addr4), &ic->ic_rawbpf);
ieee80211_crypto_attach(ic);
/*
* Fill in 802.11 available channel set, mark
* all available channels as active, and pick
* a default channel if not already specified.
*/
memset(ic->ic_chan_avail, 0, sizeof(ic->ic_chan_avail));
ic->ic_modecaps |= 1<<IEEE80211_MODE_AUTO;
for (i = 0; i <= IEEE80211_CHAN_MAX; i++) {
c = &ic->ic_channels[i];
if (c->ic_flags) {
/*
* Verify driver passed us valid data.
*/
if (i != ieee80211_chan2ieee(ic, c)) {
if_printf(ifp, "bad channel ignored; "
"freq %u flags %x number %u\n",
c->ic_freq, c->ic_flags, i);
c->ic_flags = 0; /* NB: remove */
continue;
}
setbit(ic->ic_chan_avail, i);
/*
* Identify mode capabilities.
*/
if (IEEE80211_IS_CHAN_A(c))
ic->ic_modecaps |= 1<<IEEE80211_MODE_11A;
if (IEEE80211_IS_CHAN_B(c))
ic->ic_modecaps |= 1<<IEEE80211_MODE_11B;
if (IEEE80211_IS_CHAN_PUREG(c))
ic->ic_modecaps |= 1<<IEEE80211_MODE_11G;
if (IEEE80211_IS_CHAN_FHSS(c))
ic->ic_modecaps |= 1<<IEEE80211_MODE_FH;
if (IEEE80211_IS_CHAN_T(c))
ic->ic_modecaps |= 1<<IEEE80211_MODE_TURBO_A;
if (IEEE80211_IS_CHAN_108G(c))
ic->ic_modecaps |= 1<<IEEE80211_MODE_TURBO_G;
if (ic->ic_curchan == NULL) {
/* arbitrarily pick the first channel */
ic->ic_curchan = &ic->ic_channels[i];
}
}
}
/* validate ic->ic_curmode */
if ((ic->ic_modecaps & (1<<ic->ic_curmode)) == 0)
ic->ic_curmode = IEEE80211_MODE_AUTO;
ic->ic_des_chan = IEEE80211_CHAN_ANYC; /* any channel is ok */
#if 0
/*
* Enable WME by default if we're capable.
*/
if (ic->ic_caps & IEEE80211_C_WME)
ic->ic_flags |= IEEE80211_F_WME;
#endif
(void) ieee80211_setmode(ic, ic->ic_curmode);
if (ic->ic_bintval == 0)
ic->ic_bintval = IEEE80211_BINTVAL_DEFAULT;
ic->ic_bmisstimeout = 7*ic->ic_bintval; /* default 7 beacons */
ic->ic_dtim_period = IEEE80211_DTIM_DEFAULT;
IEEE80211_BEACON_LOCK_INIT(ic, "beacon");
if (ic->ic_lintval == 0)
ic->ic_lintval = ic->ic_bintval;
ic->ic_txpowlimit = IEEE80211_TXPOWER_MAX;
LIST_INSERT_HEAD(&ieee80211com_head, ic, ic_list);
ieee80211_node_attach(ic);
ieee80211_proto_attach(ic);
ieee80211_add_vap(ic);
ieee80211_sysctl_attach(ic); /* NB: requires ic_vap */
/*
* Install a default reset method for the ioctl support.
* The driver is expected to fill this in before calling us.
*/
if (ic->ic_reset == NULL)
ic->ic_reset = ieee80211_default_reset;
}
void
ieee80211_ifattach(struct ifnet *ifp)
{
struct ieee80211com *ic = (void *)ifp;
struct ieee80211_channel *c;
int i;
memcpy(((struct arpcom *)ifp)->ac_enaddr, ic->ic_myaddr,
ETHER_ADDR_LEN);
ether_ifattach(ifp);
ifp->if_output = ieee80211_output;
#if NBPFILTER > 0
bpfattach(&ic->ic_rawbpf, ifp, DLT_IEEE802_11,
sizeof(struct ieee80211_frame_addr4));
#endif
ieee80211_crypto_attach(ifp);
/*
* Fill in 802.11 available channel set, mark
* all available channels as active, and pick
* a default channel if not already specified.
*/
memset(ic->ic_chan_avail, 0, sizeof(ic->ic_chan_avail));
ic->ic_modecaps |= 1<<IEEE80211_MODE_AUTO;
for (i = 0; i <= IEEE80211_CHAN_MAX; i++) {
c = &ic->ic_channels[i];
if (c->ic_flags) {
/*
* Verify driver passed us valid data.
*/
if (i != ieee80211_chan2ieee(ic, c)) {
printf("%s: bad channel ignored; "
"freq %u flags %x number %u\n",
ifp->if_xname, c->ic_freq, c->ic_flags,
i);
c->ic_flags = 0; /* NB: remove */
continue;
}
setbit(ic->ic_chan_avail, i);
/*
* Identify mode capabilities.
*/
if (IEEE80211_IS_CHAN_A(c))
ic->ic_modecaps |= 1<<IEEE80211_MODE_11A;
if (IEEE80211_IS_CHAN_B(c))
ic->ic_modecaps |= 1<<IEEE80211_MODE_11B;
if (IEEE80211_IS_CHAN_PUREG(c))
ic->ic_modecaps |= 1<<IEEE80211_MODE_11G;
if (IEEE80211_IS_CHAN_T(c))
ic->ic_modecaps |= 1<<IEEE80211_MODE_TURBO;
}
}
/* validate ic->ic_curmode */
if ((ic->ic_modecaps & (1<<ic->ic_curmode)) == 0)
ic->ic_curmode = IEEE80211_MODE_AUTO;
ic->ic_des_chan = IEEE80211_CHAN_ANYC; /* any channel is ok */
ic->ic_scan_lock = IEEE80211_SCAN_UNLOCKED;
/* IEEE 802.11 defines a MTU >= 2290 */
ifp->if_capabilities |= IFCAP_VLAN_MTU;
ieee80211_setbasicrates(ic);
(void)ieee80211_setmode(ic, ic->ic_curmode);
if (ic->ic_lintval == 0)
ic->ic_lintval = 100; /* default sleep */
ic->ic_bmisstimeout = 7*ic->ic_lintval; /* default 7 beacons */
ic->ic_dtim_period = 1; /* all TIMs are DTIMs */
LIST_INSERT_HEAD(&ieee80211com_head, ic, ic_list);
ieee80211_node_attach(ifp);
ieee80211_proto_attach(ifp);
if_addgroup(ifp, "wlan");
ifp->if_priority = IF_WIRELESS_DEFAULT_PRIORITY;
}
void
ieee80211_ifattach(struct ifnet *ifp)
{
struct ieee80211com *ic = (void *)ifp;
struct ieee80211_channel *c;
int i;
ether_ifattach(ifp, ic->ic_myaddr);
#if NBPFILTER > 0
bpfattach2(ifp, DLT_IEEE802_11,
sizeof(struct ieee80211_frame_addr4), &ic->ic_rawbpf);
#endif
ieee80211_crypto_attach(ifp);
/*
* Fill in 802.11 available channel set, mark
* all available channels as active, and pick
* a default channel if not already specified.
*/
memset(ic->ic_chan_avail, 0, sizeof(ic->ic_chan_avail));
ic->ic_modecaps |= 1<<IEEE80211_MODE_AUTO;
for (i = 0; i <= IEEE80211_CHAN_MAX; i++) {
c = &ic->ic_channels[i];
if (c->ic_flags) {
/*
* Verify driver passed us valid data.
*/
if (i != ieee80211_chan2ieee(ic, c)) {
if_printf(ifp, "bad channel ignored; "
"freq %u flags %x number %u\n",
c->ic_freq, c->ic_flags, i);
c->ic_flags = 0; /* NB: remove */
continue;
}
setbit(ic->ic_chan_avail, i);
/*
* Identify mode capabilities.
*/
if (IEEE80211_IS_CHAN_A(c))
ic->ic_modecaps |= 1<<IEEE80211_MODE_11A;
if (IEEE80211_IS_CHAN_B(c))
ic->ic_modecaps |= 1<<IEEE80211_MODE_11B;
if (IEEE80211_IS_CHAN_PUREG(c))
ic->ic_modecaps |= 1<<IEEE80211_MODE_11G;
if (IEEE80211_IS_CHAN_FHSS(c))
ic->ic_modecaps |= 1<<IEEE80211_MODE_FH;
if (IEEE80211_IS_CHAN_T(c))
ic->ic_modecaps |= 1<<IEEE80211_MODE_TURBO;
}
}
/* validate ic->ic_curmode */
if ((ic->ic_modecaps & (1<<ic->ic_curmode)) == 0)
ic->ic_curmode = IEEE80211_MODE_AUTO;
ieee80211_setbasicrates(ic);
(void) ieee80211_setmode(ic, ic->ic_curmode);
ic->ic_des_chan = IEEE80211_CHAN_ANYC; /* any channel is ok */
if (ic->ic_lintval == 0)
ic->ic_lintval = 100; /* default sleep */
ic->ic_bmisstimeout = 7*ic->ic_lintval; /* default 7 beacons */
ieee80211_node_attach(ifp);
ieee80211_proto_attach(ifp);
}
int
ieee80211_ifattach(struct ieee80211com *ic, IEEE80211_REG_PARAMETERS *ieee80211_reg_parm)
{
u_int8_t bcast[IEEE80211_ADDR_LEN] = {0xff,0xff,0xff,0xff,0xff,0xff};
int error = 0;
ic->ic_reg_parm = *ieee80211_reg_parm;
/* set up broadcast address */
IEEE80211_ADDR_COPY(ic->ic_broadcast, bcast);
/* initialize channel list */
ieee80211_update_channellist(ic, 0);
/* initialize rate set */
ieee80211_init_rateset(ic);
/* validate ic->ic_curmode */
if (!IEEE80211_SUPPORT_PHY_MODE(ic, ic->ic_curmode))
ic->ic_curmode = IEEE80211_MODE_AUTO;
/* setup initial channel settings */
ic->ic_curchan = ieee80211_get_channel(ic, 0); /* arbitrarily pick the first channel */
/* Enable marking of dfs by default */
ic->ic_flags_ext |= IEEE80211_FEXT_MARKDFS;
if (ic->ic_reg_parm.htEnableWepTkip) {
ieee80211_ic_wep_tkip_htrate_set(ic);
} else {
ieee80211_ic_wep_tkip_htrate_clear(ic);
}
if (ic->ic_reg_parm.htVendorIeEnable)
IEEE80211_ENABLE_HTVIE(ic);
/* whether to ignore 11d beacon */
if (ic->ic_reg_parm.ignore11dBeacon)
IEEE80211_ENABLE_IGNORE_11D_BEACON(ic);
if (ic->ic_reg_parm.disallowAutoCCchange) {
ieee80211_ic_disallowAutoCCchange_set(ic);
}
else {
ieee80211_ic_disallowAutoCCchange_clear(ic);
}
(void) ieee80211_setmode(ic, ic->ic_curmode, ic->ic_opmode);
ic->ic_intval = IEEE80211_BINTVAL_DEFAULT; /* beacon interval */
ic->ic_set_beacon_interval(ic);
ic->ic_lintval = 1; /* listen interval */
ic->ic_lintval_assoc = IEEE80211_LINTVAL_MAX; /* listen interval to use in association */
ic->ic_bmisstimeout = IEEE80211_BMISS_LIMIT * ic->ic_intval;
TAILQ_INIT(&ic->ic_vaps);
ic->ic_txpowlimit = IEEE80211_TXPOWER_MAX;
/* Intialize WDS Auto Detect mode */
ic->ic_flags_ext |= IEEE80211_FEXT_WDS_AUTODETECT;
/*
** Enable the 11d country code IE by default
*/
ic->ic_flags_ext |= IEEE80211_FEXT_COUNTRYIE;
/* setup CWM configuration */
ic->ic_cwm_set_mode(ic, ic->ic_reg_parm.cwmMode);
ic->ic_cwm_set_extoffset(ic, ic->ic_reg_parm.cwmExtOffset);
ic->ic_cwm_set_extprotmode(ic, ic->ic_reg_parm.cwmExtProtMode);
ic->ic_cwm_set_extprotspacing(ic, ic->ic_reg_parm.cwmExtProtSpacing);
#if tbd
/* XXX - TODO - move these into ath layer */
#else
ic->ic_cwm_set_enable(ic, ic->ic_reg_parm.cwmEnable);
ic->ic_cwm_set_extbusythreshold(ic, ic->ic_reg_parm.cwmExtBusyThreshold);
#endif
ic->ic_enable2GHzHt40Cap = ic->ic_reg_parm.enable2GHzHt40Cap;
#ifdef ATH_COALESCING
ic->ic_tx_coalescing = ic->ic_reg_parm.txCoalescingEnable;
#endif
ic->ic_ignoreDynamicHalt = ic->ic_reg_parm.ignoreDynamicHalt;
/* default to auto ADDBA mode */
ic->ic_addba_mode = ADDBA_MODE_AUTO;
if (ic->ic_reg_parm.ht20AdhocEnable) {
/*
* Support HT rates in Ad hoc connections.
*/
if (IEEE80211_SUPPORT_PHY_MODE(ic, IEEE80211_MODE_11NA_HT20) ||
IEEE80211_SUPPORT_PHY_MODE(ic, IEEE80211_MODE_11NG_HT20)) {
ieee80211_ic_ht20Adhoc_set(ic);
if (ic->ic_reg_parm.htAdhocAggrEnable) {
ieee80211_ic_htAdhocAggr_set(ic);
}
}
}
if (ic->ic_reg_parm.ht40AdhocEnable) {
/*
* Support HT rates in Ad hoc connections.
*/
if (IEEE80211_SUPPORT_PHY_MODE(ic, IEEE80211_MODE_11NA_HT40PLUS) ||
IEEE80211_SUPPORT_PHY_MODE(ic, IEEE80211_MODE_11NA_HT40MINUS) ||
IEEE80211_SUPPORT_PHY_MODE(ic, IEEE80211_MODE_11NG_HT40PLUS) ||
IEEE80211_SUPPORT_PHY_MODE(ic, IEEE80211_MODE_11NG_HT40MINUS)) {
ieee80211_ic_ht40Adhoc_set(ic);
if (ic->ic_reg_parm.htAdhocAggrEnable) {
ieee80211_ic_htAdhocAggr_set(ic);
}
}
}
OS_INIT_TIMER(ic->ic_osdev, &(ic->ic_inact_timer), ieee80211_inact_timeout, (void *) (ic));
#if UMAC_SUPPORT_WNM
OS_INIT_TIMER(ic->ic_osdev, &(ic->ic_bssload_timer), ieee80211_bssload_timeout, (void *) (ic));
#endif
if (ic->ic_reg_parm.disable2040Coexist) {
ic->ic_flags |= IEEE80211_F_COEXT_DISABLE;
} else {
ic->ic_flags &= ~IEEE80211_F_COEXT_DISABLE;
}
/* setup other modules */
/* The TSF Timer module is required when P2P or Off-channel support are required */
ic->ic_tsf_timer = ieee80211_tsf_timer_attach(ic);
#if UMAC_SUPPORT_TDLS_CHAN_SWITCH
/* TDLS off-channel support requires TSF timer */
if (ic->ic_tsf_timer) {
ieee80211_ic_off_channel_support_set(ic);
}
else {
ieee80211_ic_off_channel_support_clear(ic);
}
#else
ieee80211_ic_off_channel_support_clear(ic);
#endif
ieee80211_p2p_attach(ic);
ieee80211_crypto_attach(ic);
ieee80211_node_attach(ic);
ieee80211_proto_attach(ic);
ieee80211_power_attach(ic);
ieee80211_mlme_attach(ic);
#if ATH_SUPPORT_DFS
ieee80211_dfs_attach(ic);
#endif /* ATH_SUPPORT_DFS */
if (IEEE80211_ENAB_AOW(ic))
ieee80211_aow_attach(ic);
error = ieee80211_scan_table_attach(ic, &(ic->ic_scan_table), ic->ic_osdev);
if (error) {
ieee80211_node_detach(ic);
return error;
}
/*
* By default overwrite probe response with beacon IE in scan entry.
*/
ieee80211_ic_override_proberesp_ie_set(ic);
error = ieee80211_scan_attach(&(ic->ic_scanner),
ic,
ic->ic_osdev,
ieee80211_is_connected,
ieee80211_is_txq_empty,
ieee80211_is_sw_txq_empty);
if (error) {
/* detach and free already allocated memory for scan */
ieee80211_scan_table_detach(&(ic->ic_scan_table));
ieee80211_node_detach(ic);
return error;
}
ic->ic_resmgr = ieee80211_resmgr_create(ic, IEEE80211_RESMGR_MODE_SINGLE_CHANNEL);
error = ieee80211_acs_attach(&(ic->ic_acs),
ic,
ic->ic_osdev);
if (error) {
/* detach and free already allocated memory for scan */
ieee80211_scan_table_detach(&(ic->ic_scan_table));
ieee80211_scan_detach(&(ic->ic_scanner));
ieee80211_node_detach(ic);
return error;
}
ic->ic_notify_tx_bcn_mgr = ieee80211_notify_tx_bcn_attach(ic);
ieee80211_rptplacement_attach(ic);
IEEE80211_TDLS_ATTACH(ic);
#if UMAC_SUPPORT_VI_DBG
ieee80211_vi_dbg_attach(ic);
#endif
ieee80211_quiet_attach(ic);
ieee80211_admctl_attach(ic);
/*
* Perform steps that require multiple objects to be initialized.
* For example, cross references between objects such as ResMgr and Scanner.
*/
ieee80211_scan_attach_complete(ic->ic_scanner);
ieee80211_resmgr_create_complete(ic->ic_resmgr);
ieee80211_smartantenna_attach(ic);
ieee80211_prdperfstats_attach(ic);
ic->ic_get_ext_chan_info = ieee80211_get_extchan_info;
/* initialization complete */
ic->ic_initialized = 1;
return 0;
}