Exemplo n.º 1
0
static void
print_chaninfo(const struct ieee80211_channel *c)
{
#define	IEEE80211_IS_CHAN_PASSIVE(_c) \
	(((_c)->ic_flags & IEEE80211_CHAN_PASSIVE))
	char buf[14];

	buf[0] = '\0';
	if (IEEE80211_IS_CHAN_FHSS(c))
		strlcat(buf, " FHSS", sizeof(buf));
	if (IEEE80211_IS_CHAN_A(c))
		strlcat(buf, " 11a", sizeof(buf));
	/* XXX 11g schizophrenia */
	if (IEEE80211_IS_CHAN_G(c) ||
	    IEEE80211_IS_CHAN_PUREG(c))
		strlcat(buf, " 11g", sizeof(buf));
	else if (IEEE80211_IS_CHAN_B(c))
		strlcat(buf, " 11b", sizeof(buf));
	if (IEEE80211_IS_CHAN_STURBO(c))
		strlcat(buf, " Static", sizeof(buf));
	if (IEEE80211_IS_CHAN_DTURBO(c))
		strlcat(buf, " Dynamic", sizeof(buf));
	printf("Channel %3u : %u%c Mhz%-14.14s",
		c->ic_ieee, c->ic_freq,
		IEEE80211_IS_CHAN_PASSIVE(c) ? '*' : ' ', buf);
#undef IEEE80211_IS_CHAN_PASSIVE
}
Exemplo n.º 2
0
static void
print_chaninfo(const struct ieee80211_channel *c)
{
	char buf[14];

	buf[0] = '\0';
	if (IEEE80211_IS_CHAN_FHSS(c))
		strlcat(buf, " FHSS", sizeof(buf));
	if (IEEE80211_IS_CHAN_A(c))
		strlcat(buf, " 11a", sizeof(buf));
	/* XXX 11g schizophrenia */
	if (IEEE80211_IS_CHAN_G(c) ||
	    IEEE80211_IS_CHAN_PUREG(c))
		strlcat(buf, " 11g", sizeof(buf));
	else if (IEEE80211_IS_CHAN_B(c))
		strlcat(buf, " 11b", sizeof(buf));
	if (IEEE80211_IS_CHAN_STURBO(c))
		strlcat(buf, " Static", sizeof(buf));
	if (IEEE80211_IS_CHAN_DTURBO(c))
		strlcat(buf, " Dynamic", sizeof(buf));
	if (IEEE80211_IS_CHAN_HALF(c))
		strlcat(buf, " Half", sizeof(buf));
	if (IEEE80211_IS_CHAN_QUARTER(c))
		strlcat(buf, " Quarter", sizeof(buf));
	printf("Channel %3u : %u%c%c Mhz%-14.14s",
		c->ic_ieee, c->ic_freq,
		IEEE80211_IS_CHAN_PASSIVE(c) ? '*' : ' ', 
	        IEEE80211_IS_CHAN_RADAR(c) ? '!' : ' ', 
	       buf);
}
Exemplo n.º 3
0
static int
iwm_mvm_scan_skip_channel(struct ieee80211_channel *c)
{
	if (IEEE80211_IS_CHAN_2GHZ(c) && IEEE80211_IS_CHAN_B(c))
		return 0;
	else if (IEEE80211_IS_CHAN_5GHZ(c) && IEEE80211_IS_CHAN_A(c))
		return 0;
	else
		return 1;
}
Exemplo n.º 4
0
static void
dumpchannels(struct ath_hal *ah, int nc,
	const struct ieee80211_channel *chans, int16_t *txpow)
{
	int i;

	for (i = 0; i < nc; i++) {
		const struct ieee80211_channel *c = &chans[i];
		int type;

		if (showchannels)
			printf("%s%3d", sep,
			    ath_hal_mhz2ieee(ah, c->ic_freq, c->ic_flags));
		else
			printf("%s%u", sep, c->ic_freq);
		if (IEEE80211_IS_CHAN_HALF(c))
			type = 'H';
		else if (IEEE80211_IS_CHAN_QUARTER(c))
			type = 'Q';
		else if (IEEE80211_IS_CHAN_TURBO(c))
			type = 'T';
		else if (IEEE80211_IS_CHAN_HT(c))
			type = 'N';
		else if (IEEE80211_IS_CHAN_A(c))
			type = 'A';
		else if (IEEE80211_IS_CHAN_108G(c))
			type = 'T';
		else if (IEEE80211_IS_CHAN_G(c))
			type = 'G';
		else
			type = 'B';
		if (dopassive && IEEE80211_IS_CHAN_PASSIVE(c))
			type = tolower(type);
		if (isdfs && is4ms)
			printf("%c%c%c %d.%d", type,
			    IEEE80211_IS_CHAN_DFS(c) ? '*' : ' ',
			    IEEE80211_IS_CHAN_4MS(c) ? '4' : ' ',
			    txpow[i]/2, (txpow[i]%2)*5);
		else if (isdfs)
			printf("%c%c %d.%d", type,
			    IEEE80211_IS_CHAN_DFS(c) ? '*' : ' ',
			    txpow[i]/2, (txpow[i]%2)*5);
		else if (is4ms)
			printf("%c%c %d.%d", type,
			    IEEE80211_IS_CHAN_4MS(c) ? '4' : ' ',
			    txpow[i]/2, (txpow[i]%2)*5);
		else
			printf("%c %d.%d", type, txpow[i]/2, (txpow[i]%2)*5);
		if ((n++ % (showchannels ? 7 : 6)) == 0)
			sep = "\n";
		else
			sep = " ";
	}
}
Exemplo n.º 5
0
static int
iwm_mvm_scan_fill_channels(struct iwm_softc *sc, struct iwm_scan_cmd *cmd,
	int flags, int n_ssids, int basic_ssid)
{
	struct ieee80211com *ic = sc->sc_ic;
	uint16_t passive_dwell = iwm_mvm_get_passive_dwell(sc, flags);
	uint16_t active_dwell = iwm_mvm_get_active_dwell(sc, flags, n_ssids);
	struct iwm_scan_channel *chan = (struct iwm_scan_channel *)
		(cmd->data + le16toh(cmd->tx_cmd.len));
	int type = (1 << n_ssids) - 1;
	struct ieee80211_channel *c;
	int nchan, j;

	if (!basic_ssid)
		type |= (1 << n_ssids);

	for (nchan = j = 0; j < ic->ic_nchans; j++) {
		c = &ic->ic_channels[j];
		/* For 2GHz, only populate 11b channels */
		/* For 5GHz, only populate 11a channels */
		/*
		 * Catch other channels, in case we have 900MHz channels or
		 * something in the chanlist.
		 */
		if ((flags & IEEE80211_CHAN_2GHZ) && (! IEEE80211_IS_CHAN_B(c))) {
			continue;
		} else if ((flags & IEEE80211_CHAN_5GHZ) && (! IEEE80211_IS_CHAN_A(c))) {
			continue;
		} else {
			IWM_DPRINTF(sc, IWM_DEBUG_RESET | IWM_DEBUG_EEPROM,
			    "%s: skipping channel (freq=%d, ieee=%d, flags=0x%08x)\n",
			    __func__,
			    c->ic_freq,
			    c->ic_ieee,
			    c->ic_flags);
		}
		IWM_DPRINTF(sc, IWM_DEBUG_RESET | IWM_DEBUG_EEPROM,
		    "Adding channel %d (%d Mhz) to the list\n",
			nchan, c->ic_freq);
		chan->channel = htole16(ieee80211_mhz2ieee(c->ic_freq, flags));
		chan->type = htole32(type);
		if (c->ic_flags & IEEE80211_CHAN_PASSIVE)
			chan->type &= htole32(~IWM_SCAN_CHANNEL_TYPE_ACTIVE);
		chan->active_dwell = htole16(active_dwell);
		chan->passive_dwell = htole16(passive_dwell);
		chan->iteration_count = htole16(1);
		chan++;
		nchan++;
	}
	if (nchan == 0)
		device_printf(sc->sc_dev,
		    "%s: NO CHANNEL!\n", __func__);
	return nchan;
}
Exemplo n.º 6
0
void icm_display_channel_flags(ICM_CHANNEL_T* pch)
{
    ICM_DEV_INFO_T* pdev = get_pdev();
    if (IEEE80211_IS_CHAN_FHSS(pch)) {
        ICM_DPRINTF(pdev, ICM_PRCTRL_FLAG_NONE, ICM_DEBUG_LEVEL_DEFAULT, ICM_MODULE_ID_UTIL, "\tFHSS\n");
    }

    if (IEEE80211_IS_CHAN_11NA(pch)) {
        ICM_DPRINTF(pdev, ICM_PRCTRL_FLAG_NONE, ICM_DEBUG_LEVEL_DEFAULT, ICM_MODULE_ID_UTIL, "\t11na\n");
    } else if (IEEE80211_IS_CHAN_A(pch)) {
        ICM_DPRINTF(pdev, ICM_PRCTRL_FLAG_NONE, ICM_DEBUG_LEVEL_DEFAULT, ICM_MODULE_ID_UTIL, "\t11a\n");
    } else if (IEEE80211_IS_CHAN_11NG(pch)) {
        ICM_DPRINTF(pdev, ICM_PRCTRL_FLAG_NONE, ICM_DEBUG_LEVEL_DEFAULT, ICM_MODULE_ID_UTIL, "\t11ng\n");
    } else if (IEEE80211_IS_CHAN_G(pch) ||
        IEEE80211_IS_CHAN_PUREG(pch)) {
        ICM_DPRINTF(pdev, ICM_PRCTRL_FLAG_NONE, ICM_DEBUG_LEVEL_DEFAULT, ICM_MODULE_ID_UTIL, "\t11g\n");
    } else if (IEEE80211_IS_CHAN_B(pch)) {
        ICM_DPRINTF(pdev, ICM_PRCTRL_FLAG_NONE, ICM_DEBUG_LEVEL_DEFAULT, ICM_MODULE_ID_UTIL, "\t11b\n");
    }
    if (IEEE80211_IS_CHAN_TURBO(pch)) {
        ICM_DPRINTF(pdev, ICM_PRCTRL_FLAG_NONE, ICM_DEBUG_LEVEL_DEFAULT, ICM_MODULE_ID_UTIL, "\tTurbo\n");
    }
    if(IEEE80211_IS_CHAN_11N_CTL_CAPABLE(pch)) {
        ICM_DPRINTF(pdev, ICM_PRCTRL_FLAG_NONE, ICM_DEBUG_LEVEL_DEFAULT, ICM_MODULE_ID_UTIL, "\tControl capable\n");
    }
    if(IEEE80211_IS_CHAN_11N_CTL_U_CAPABLE(pch)) {
        ICM_DPRINTF(pdev, ICM_PRCTRL_FLAG_NONE, ICM_DEBUG_LEVEL_DEFAULT, ICM_MODULE_ID_UTIL, "\tControl capable upper\n");
    }
    if(IEEE80211_IS_CHAN_11N_CTL_L_CAPABLE(pch)) {
        ICM_DPRINTF(pdev, ICM_PRCTRL_FLAG_NONE, ICM_DEBUG_LEVEL_DEFAULT, ICM_MODULE_ID_UTIL, "\tControl capable lower\n");
    }

    if (IEEE80211_IS_CHAN_DFSFLAG(pch)) {
        ICM_DPRINTF(pdev, ICM_PRCTRL_FLAG_NONE, ICM_DEBUG_LEVEL_DEFAULT, ICM_MODULE_ID_UTIL, "\tDFS\n");
    }

    if (IEEE80211_IS_CHAN_HALF(pch)) {
        ICM_DPRINTF(pdev, ICM_PRCTRL_FLAG_NONE, ICM_DEBUG_LEVEL_DEFAULT, ICM_MODULE_ID_UTIL, "\tHalf\n");
    }

    if (IEEE80211_IS_CHAN_PASSIVE(pch)) {
        ICM_DPRINTF(pdev, ICM_PRCTRL_FLAG_NONE, ICM_DEBUG_LEVEL_DEFAULT, ICM_MODULE_ID_UTIL, "\tPassive\n");
    }

    if (IEEE80211_IS_CHAN_QUARTER(pch)) {
        ICM_DPRINTF(pdev, ICM_PRCTRL_FLAG_NONE, ICM_DEBUG_LEVEL_DEFAULT, ICM_MODULE_ID_UTIL, "\tQuarter\n");
    }
}
Exemplo n.º 7
0
void
ieee80211_channel_init(struct ifnet *ifp)
{
	struct ieee80211com *ic = (void *)ifp;
	struct ieee80211_channel *c;
	int i;

	/*
	 * 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;
}
Exemplo n.º 8
0
static char
channel_type(const struct ieee80211_channel *c)
{
	if (IEEE80211_IS_CHAN_ST(c))
		return 'S';
	if (IEEE80211_IS_CHAN_108A(c))
		return 'T';
	if (IEEE80211_IS_CHAN_108G(c))
		return 'G';
	if (IEEE80211_IS_CHAN_HT(c))
		return 'n';
	if (IEEE80211_IS_CHAN_A(c))
		return 'a';
	if (IEEE80211_IS_CHAN_ANYG(c))
		return 'g';
	if (IEEE80211_IS_CHAN_B(c))
		return 'b';
	return 'f';
}
Exemplo n.º 9
0
/*
 * Return the test group for the specific channel based on
 * the current regulatory setup.
 */
u_int
ath_hal_getctl(struct ath_hal *ah, const struct ieee80211_channel *c)
{
	u_int ctl;

	if (AH_PRIVATE(ah)->ah_rd2GHz == AH_PRIVATE(ah)->ah_rd5GHz ||
	    (ah->ah_countryCode == CTRY_DEFAULT && isWwrSKU(ah)))
		ctl = SD_NO_CTL;
	else if (IEEE80211_IS_CHAN_2GHZ(c))
		ctl = AH_PRIVATE(ah)->ah_rd2GHz->conformanceTestLimit;
	else
		ctl = AH_PRIVATE(ah)->ah_rd5GHz->conformanceTestLimit;
	if (IEEE80211_IS_CHAN_B(c))
		return ctl | CTL_11B;
	if (IEEE80211_IS_CHAN_G(c))
		return ctl | CTL_11G;
	if (IEEE80211_IS_CHAN_108G(c))
		return ctl | CTL_108G;
	if (IEEE80211_IS_CHAN_TURBO(c))
		return ctl | CTL_TURBO;
	if (IEEE80211_IS_CHAN_A(c))
		return ctl | CTL_11A;
	return ctl;
}
Exemplo n.º 10
0
/*
 * Fill in 802.11 available channel set, mark
 * all available channels as active, and pick
 * a default channel if not already specified.
 */
static void
ieee80211_chan_init(struct ieee80211com *ic)
{
#define	DEFAULTRATES(m, def) do { \
	if (ic->ic_sup_rates[m].rs_nrates == 0) \
		ic->ic_sup_rates[m] = def; \
} while (0)
	struct ieee80211_channel *c;
	int i;

	KASSERT(0 < ic->ic_nchans && ic->ic_nchans <= IEEE80211_CHAN_MAX,
		("invalid number of channels specified: %u", ic->ic_nchans));
	memset(ic->ic_chan_avail, 0, sizeof(ic->ic_chan_avail));
	memset(ic->ic_modecaps, 0, sizeof(ic->ic_modecaps));
	setbit(ic->ic_modecaps, IEEE80211_MODE_AUTO);
	for (i = 0; i < ic->ic_nchans; i++) {
		c = &ic->ic_channels[i];
		KASSERT(c->ic_flags != 0, ("channel with no flags"));
		/*
		 * Help drivers that work only with frequencies by filling
		 * in IEEE channel #'s if not already calculated.  Note this
		 * mimics similar work done in ieee80211_setregdomain when
		 * changing regulatory state.
		 */
		if (c->ic_ieee == 0)
			c->ic_ieee = ieee80211_mhz2ieee(c->ic_freq,c->ic_flags);
		if (IEEE80211_IS_CHAN_HT40(c) && c->ic_extieee == 0)
			c->ic_extieee = ieee80211_mhz2ieee(c->ic_freq +
			    (IEEE80211_IS_CHAN_HT40U(c) ? 20 : -20),
			    c->ic_flags);
		/* default max tx power to max regulatory */
		if (c->ic_maxpower == 0)
			c->ic_maxpower = 2*c->ic_maxregpower;
		setbit(ic->ic_chan_avail, c->ic_ieee);
		/*
		 * Identify mode capabilities.
		 */
		if (IEEE80211_IS_CHAN_A(c))
			setbit(ic->ic_modecaps, IEEE80211_MODE_11A);
		if (IEEE80211_IS_CHAN_B(c))
			setbit(ic->ic_modecaps, IEEE80211_MODE_11B);
		if (IEEE80211_IS_CHAN_ANYG(c))
			setbit(ic->ic_modecaps, IEEE80211_MODE_11G);
		if (IEEE80211_IS_CHAN_FHSS(c))
			setbit(ic->ic_modecaps, IEEE80211_MODE_FH);
		if (IEEE80211_IS_CHAN_108A(c))
			setbit(ic->ic_modecaps, IEEE80211_MODE_TURBO_A);
		if (IEEE80211_IS_CHAN_108G(c))
			setbit(ic->ic_modecaps, IEEE80211_MODE_TURBO_G);
		if (IEEE80211_IS_CHAN_ST(c))
			setbit(ic->ic_modecaps, IEEE80211_MODE_STURBO_A);
		if (IEEE80211_IS_CHAN_HALF(c))
			setbit(ic->ic_modecaps, IEEE80211_MODE_HALF);
		if (IEEE80211_IS_CHAN_QUARTER(c))
			setbit(ic->ic_modecaps, IEEE80211_MODE_QUARTER);
		if (IEEE80211_IS_CHAN_HTA(c))
			setbit(ic->ic_modecaps, IEEE80211_MODE_11NA);
		if (IEEE80211_IS_CHAN_HTG(c))
			setbit(ic->ic_modecaps, IEEE80211_MODE_11NG);
	}
	/* initialize candidate channels to all available */
	memcpy(ic->ic_chan_active, ic->ic_chan_avail,
		sizeof(ic->ic_chan_avail));

	/* sort channel table to allow lookup optimizations */
	ieee80211_sort_channels(ic->ic_channels, ic->ic_nchans);

	/* invalidate any previous state */
	ic->ic_bsschan = IEEE80211_CHAN_ANYC;
	ic->ic_prevchan = NULL;
	ic->ic_csa_newchan = NULL;
	/* arbitrarily pick the first channel */
	ic->ic_curchan = &ic->ic_channels[0];
	ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan);

	/* fillin well-known rate sets if driver has not specified */
	DEFAULTRATES(IEEE80211_MODE_11B,	 ieee80211_rateset_11b);
	DEFAULTRATES(IEEE80211_MODE_11G,	 ieee80211_rateset_11g);
	DEFAULTRATES(IEEE80211_MODE_11A,	 ieee80211_rateset_11a);
	DEFAULTRATES(IEEE80211_MODE_TURBO_A,	 ieee80211_rateset_11a);
	DEFAULTRATES(IEEE80211_MODE_TURBO_G,	 ieee80211_rateset_11g);
	DEFAULTRATES(IEEE80211_MODE_STURBO_A,	 ieee80211_rateset_11a);
	DEFAULTRATES(IEEE80211_MODE_HALF,	 ieee80211_rateset_half);
	DEFAULTRATES(IEEE80211_MODE_QUARTER,	 ieee80211_rateset_quarter);
	DEFAULTRATES(IEEE80211_MODE_11NA,	 ieee80211_rateset_11a);
	DEFAULTRATES(IEEE80211_MODE_11NG,	 ieee80211_rateset_11g);

	/*
	 * Set auto mode to reset active channel state and any desired channel.
	 */
	(void) ieee80211_setmode(ic, IEEE80211_MODE_AUTO);
#undef DEFAULTRATES
}
Exemplo n.º 11
0
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;
}
Exemplo n.º 12
0
/*
 * Places the device in and out of reset and then places sane
 * values in the registers based on EEPROM config, initialization
 * vectors (as determined by the mode), and station configuration
 *
 * bChannelChange is used to preserve DMA/PCU registers across
 * a HW Reset during channel change.
 */
HAL_BOOL
ar5312Reset(struct ath_hal *ah, HAL_OPMODE opmode,
	struct ieee80211_channel *chan,
	HAL_BOOL bChannelChange,
	HAL_RESET_TYPE resetType,
	HAL_STATUS *status)
{
#define	N(a)	(sizeof (a) / sizeof (a[0]))
#define	FAIL(_code)	do { ecode = _code; goto bad; } while (0)
	struct ath_hal_5212 *ahp = AH5212(ah);
	HAL_CHANNEL_INTERNAL *ichan;
	const HAL_EEPROM *ee;
	uint32_t saveFrameSeqCount, saveDefAntenna;
	uint32_t macStaId1, synthDelay, txFrm2TxDStart;
	uint16_t rfXpdGain[MAX_NUM_PDGAINS_PER_CHANNEL];
	int16_t cckOfdmPwrDelta = 0;
	u_int modesIndex, freqIndex;
	HAL_STATUS ecode;
	int i, regWrites = 0;
	uint32_t testReg;
	uint32_t saveLedState = 0;

	HALASSERT(ah->ah_magic == AR5212_MAGIC);
	ee = AH_PRIVATE(ah)->ah_eeprom;

	OS_MARK(ah, AH_MARK_RESET, bChannelChange);
	/*
	 * Map public channel to private.
	 */
	ichan = ath_hal_checkchannel(ah, chan);
	if (ichan == AH_NULL) {
		HALDEBUG(ah, HAL_DEBUG_ANY,
		    "%s: invalid channel %u/0x%x; no mapping\n",
		    __func__, chan->ic_freq, chan->ic_flags);
		FAIL(HAL_EINVAL);
	}
	switch (opmode) {
	case HAL_M_STA:
	case HAL_M_IBSS:
	case HAL_M_HOSTAP:
	case HAL_M_MONITOR:
		break;
	default:
		HALDEBUG(ah, HAL_DEBUG_ANY, "%s: invalid operating mode %u\n",
		    __func__, opmode);
		FAIL(HAL_EINVAL);
		break;
	}
	HALASSERT(ahp->ah_eeversion >= AR_EEPROM_VER3);

	/* Preserve certain DMA hardware registers on a channel change */
	if (bChannelChange) {
		/*
		 * On Venice, the TSF is almost preserved across a reset;
		 * it requires the doubling writes to the RESET_TSF
		 * bit in the AR_BEACON register; it also has the quirk
		 * of the TSF going back in time on the station (station
		 * latches onto the last beacon's tsf during a reset 50%
		 * of the times); the latter is not a problem for adhoc
		 * stations since as long as the TSF is behind, it will
		 * get resynchronized on receiving the next beacon; the
		 * TSF going backwards in time could be a problem for the
		 * sleep operation (supported on infrastructure stations
		 * only) - the best and most general fix for this situation
		 * is to resynchronize the various sleep/beacon timers on
		 * the receipt of the next beacon i.e. when the TSF itself
		 * gets resynchronized to the AP's TSF - power save is
		 * needed to be temporarily disabled until that time
		 *
		 * Need to save the sequence number to restore it after
		 * the reset!
		 */
		saveFrameSeqCount = OS_REG_READ(ah, AR_D_SEQNUM);
	} else
		saveFrameSeqCount = 0;		/* NB: silence compiler */

	/* If the channel change is across the same mode - perform a fast channel change */
	if ((IS_2413(ah) || IS_5413(ah))) {
		/*
		 * Channel change can only be used when:
		 *  -channel change requested - so it's not the initial reset.
		 *  -it's not a change to the current channel - often called when switching modes
		 *   on a channel
		 *  -the modes of the previous and requested channel are the same - some ugly code for XR
		 */
		if (bChannelChange &&
		    AH_PRIVATE(ah)->ah_curchan != AH_NULL &&
		    (chan->ic_freq != AH_PRIVATE(ah)->ah_curchan->ic_freq) &&
		    ((chan->ic_flags & IEEE80211_CHAN_ALLTURBO) ==
		     (AH_PRIVATE(ah)->ah_curchan->ic_flags & IEEE80211_CHAN_ALLTURBO))) {
			if (ar5212ChannelChange(ah, chan))
				/* If ChannelChange completed - skip the rest of reset */
				return AH_TRUE;
		}
	}

	/*
	 * Preserve the antenna on a channel change
	 */
	saveDefAntenna = OS_REG_READ(ah, AR_DEF_ANTENNA);
	if (saveDefAntenna == 0)		/* XXX magic constants */
		saveDefAntenna = 1;

	/* Save hardware flag before chip reset clears the register */
	macStaId1 = OS_REG_READ(ah, AR_STA_ID1) & 
		(AR_STA_ID1_BASE_RATE_11B | AR_STA_ID1_USE_DEFANT);

	/* Save led state from pci config register */
	if (!IS_5315(ah))
		saveLedState = OS_REG_READ(ah, AR5312_PCICFG) &
			(AR_PCICFG_LEDCTL | AR_PCICFG_LEDMODE | AR_PCICFG_LEDBLINK |
			 AR_PCICFG_LEDSLOW);

	ar5312RestoreClock(ah, opmode);		/* move to refclk operation */

	/*
	 * Adjust gain parameters before reset if
	 * there's an outstanding gain updated.
	 */
	(void) ar5212GetRfgain(ah);

	if (!ar5312ChipReset(ah, chan)) {
		HALDEBUG(ah, HAL_DEBUG_ANY, "%s: chip reset failed\n", __func__);
		FAIL(HAL_EIO);
	}

	/* Setup the indices for the next set of register array writes */
	if (IEEE80211_IS_CHAN_2GHZ(chan)) {
		freqIndex  = 2;
		modesIndex = IEEE80211_IS_CHAN_108G(chan) ? 5 :
			     IEEE80211_IS_CHAN_G(chan) ? 4 : 3;
	} else {
		freqIndex  = 1;
		modesIndex = IEEE80211_IS_CHAN_ST(chan) ? 2 : 1;
	}

	OS_MARK(ah, AH_MARK_RESET_LINE, __LINE__);

	/* Set correct Baseband to analog shift setting to access analog chips. */
	OS_REG_WRITE(ah, AR_PHY(0), 0x00000007);

	regWrites = ath_hal_ini_write(ah, &ahp->ah_ini_modes, modesIndex, 0);
	regWrites = write_common(ah, &ahp->ah_ini_common, bChannelChange,
		regWrites);
	ahp->ah_rfHal->writeRegs(ah, modesIndex, freqIndex, regWrites);

	OS_MARK(ah, AH_MARK_RESET_LINE, __LINE__);

	if (IEEE80211_IS_CHAN_HALF(chan) || IEEE80211_IS_CHAN_QUARTER(chan))
		ar5212SetIFSTiming(ah, chan);

	/* Overwrite INI values for revised chipsets */
	if (AH_PRIVATE(ah)->ah_phyRev >= AR_PHY_CHIP_ID_REV_2) {
		/* ADC_CTL */
		OS_REG_WRITE(ah, AR_PHY_ADC_CTL,
			     SM(2, AR_PHY_ADC_CTL_OFF_INBUFGAIN) |
			     SM(2, AR_PHY_ADC_CTL_ON_INBUFGAIN) |
			     AR_PHY_ADC_CTL_OFF_PWDDAC |
			     AR_PHY_ADC_CTL_OFF_PWDADC);
		
		/* TX_PWR_ADJ */
		if (chan->channel == 2484) {
			cckOfdmPwrDelta = SCALE_OC_DELTA(ee->ee_cckOfdmPwrDelta - ee->ee_scaledCh14FilterCckDelta);
		} else {
			cckOfdmPwrDelta = SCALE_OC_DELTA(ee->ee_cckOfdmPwrDelta);
		}
		
		if (IEEE80211_IS_CHAN_G(chan)) {
			OS_REG_WRITE(ah, AR_PHY_TXPWRADJ,
				     SM((ee->ee_cckOfdmPwrDelta*-1), AR_PHY_TXPWRADJ_CCK_GAIN_DELTA) |
				     SM((cckOfdmPwrDelta*-1), AR_PHY_TXPWRADJ_CCK_PCDAC_INDEX));
		} else {
			OS_REG_WRITE(ah, AR_PHY_TXPWRADJ, 0);
		}
		
		/* Add barker RSSI thresh enable as disabled */
		OS_REG_CLR_BIT(ah, AR_PHY_DAG_CTRLCCK,
			       AR_PHY_DAG_CTRLCCK_EN_RSSI_THR);
		OS_REG_RMW_FIELD(ah, AR_PHY_DAG_CTRLCCK,
				 AR_PHY_DAG_CTRLCCK_RSSI_THR, 2);
		
		/* Set the mute mask to the correct default */
		OS_REG_WRITE(ah, AR_SEQ_MASK, 0x0000000F);
	}
	
	if (AH_PRIVATE(ah)->ah_phyRev >= AR_PHY_CHIP_ID_REV_3) {
		/* Clear reg to alllow RX_CLEAR line debug */
		OS_REG_WRITE(ah, AR_PHY_BLUETOOTH,  0);
	}
	if (AH_PRIVATE(ah)->ah_phyRev >= AR_PHY_CHIP_ID_REV_4) {
#ifdef notyet
		/* Enable burst prefetch for the data queues */
		OS_REG_RMW_FIELD(ah, AR_D_FPCTL, ... );
		/* Enable double-buffering */
		OS_REG_CLR_BIT(ah, AR_TXCFG, AR_TXCFG_DBL_BUF_DIS);
#endif
	}

	if (IS_5312_2_X(ah)) {
		/* ADC_CTRL */
		OS_REG_WRITE(ah, AR_PHY_SIGMA_DELTA,
			     SM(2, AR_PHY_SIGMA_DELTA_ADC_SEL) |
			     SM(4, AR_PHY_SIGMA_DELTA_FILT2) |
			     SM(0x16, AR_PHY_SIGMA_DELTA_FILT1) |
			     SM(0, AR_PHY_SIGMA_DELTA_ADC_CLIP));

		if (IEEE80211_IS_CHAN_2GHZ(chan))
			OS_REG_RMW_FIELD(ah, AR_PHY_RXGAIN, AR_PHY_RXGAIN_TXRX_RF_MAX, 0x0F);

		/* CCK Short parameter adjustment in 11B mode */
		if (IEEE80211_IS_CHAN_B(chan))
			OS_REG_RMW_FIELD(ah, AR_PHY_CCK_RXCTRL4, AR_PHY_CCK_RXCTRL4_FREQ_EST_SHORT, 12);

		/* Set ADC/DAC select values */
		OS_REG_WRITE(ah, AR_PHY_SLEEP_SCAL, 0x04);

		/* Increase 11A AGC Settling */
		if (IEEE80211_IS_CHAN_A(chan))
			OS_REG_RMW_FIELD(ah, AR_PHY_SETTLING, AR_PHY_SETTLING_AGC, 32);
	} else {
		/* Set ADC/DAC select values */
		OS_REG_WRITE(ah, AR_PHY_SLEEP_SCAL, 0x0e);
	}

	/* Setup the transmit power values. */
	if (!ar5212SetTransmitPower(ah, chan, rfXpdGain)) {
		HALDEBUG(ah, HAL_DEBUG_ANY,
		    "%s: error init'ing transmit power\n", __func__);
		FAIL(HAL_EIO);
	}

	/* Write the analog registers */
	if (!ahp->ah_rfHal->setRfRegs(ah, chan, modesIndex, rfXpdGain)) {
		HALDEBUG(ah, HAL_DEBUG_ANY, "%s: ar5212SetRfRegs failed\n",
		    __func__);
		FAIL(HAL_EIO);
	}

	/* Write delta slope for OFDM enabled modes (A, G, Turbo) */
	if (IEEE80211_IS_CHAN_OFDM(chan)) {
		if (IS_5413(ah) ||
		   AH_PRIVATE(ah)->ah_eeversion >= AR_EEPROM_VER5_3)
			ar5212SetSpurMitigation(ah, chan);
		ar5212SetDeltaSlope(ah, chan);
	}

	/* Setup board specific options for EEPROM version 3 */
	if (!ar5212SetBoardValues(ah, chan)) {
		HALDEBUG(ah, HAL_DEBUG_ANY,
		    "%s: error setting board options\n", __func__);
		FAIL(HAL_EIO);
	}

	/* Restore certain DMA hardware registers on a channel change */
	if (bChannelChange)
		OS_REG_WRITE(ah, AR_D_SEQNUM, saveFrameSeqCount);

	OS_MARK(ah, AH_MARK_RESET_LINE, __LINE__);

	OS_REG_WRITE(ah, AR_STA_ID0, LE_READ_4(ahp->ah_macaddr));
	OS_REG_WRITE(ah, AR_STA_ID1, LE_READ_2(ahp->ah_macaddr + 4)
		| macStaId1
		| AR_STA_ID1_RTS_USE_DEF
		| ahp->ah_staId1Defaults
	);
	ar5212SetOperatingMode(ah, opmode);

	/* Set Venice BSSID mask according to current state */
	OS_REG_WRITE(ah, AR_BSSMSKL, LE_READ_4(ahp->ah_bssidmask));
	OS_REG_WRITE(ah, AR_BSSMSKU, LE_READ_2(ahp->ah_bssidmask + 4));

	/* Restore previous led state */
	if (!IS_5315(ah))
		OS_REG_WRITE(ah, AR5312_PCICFG, OS_REG_READ(ah, AR_PCICFG) | saveLedState);

	/* Restore previous antenna */
	OS_REG_WRITE(ah, AR_DEF_ANTENNA, saveDefAntenna);

	/* then our BSSID */
	OS_REG_WRITE(ah, AR_BSS_ID0, LE_READ_4(ahp->ah_bssid));
	OS_REG_WRITE(ah, AR_BSS_ID1, LE_READ_2(ahp->ah_bssid + 4));

	/* Restore bmiss rssi & count thresholds */
	OS_REG_WRITE(ah, AR_RSSI_THR, ahp->ah_rssiThr);

	OS_REG_WRITE(ah, AR_ISR, ~0);		/* cleared on write */

	if (!ar5212SetChannel(ah, chan))
		FAIL(HAL_EIO);

	OS_MARK(ah, AH_MARK_RESET_LINE, __LINE__);

	ar5212SetCoverageClass(ah, AH_PRIVATE(ah)->ah_coverageClass, 1);

	ar5212SetRateDurationTable(ah, chan);

	/* Set Tx frame start to tx data start delay */
	if (IS_RAD5112_ANY(ah) &&
	    (IEEE80211_IS_CHAN_HALF(chan) || IEEE80211_IS_CHAN_QUARTER(chan))) {
		txFrm2TxDStart = 
			IEEE80211_IS_CHAN_HALF(chan) ?
					TX_FRAME_D_START_HALF_RATE:
					TX_FRAME_D_START_QUARTER_RATE;
		OS_REG_RMW_FIELD(ah, AR_PHY_TX_CTL, 
			AR_PHY_TX_FRAME_TO_TX_DATA_START, txFrm2TxDStart);
	}

	/*
	 * Setup fast diversity.
	 * Fast diversity can be enabled or disabled via regadd.txt.
	 * Default is enabled.
	 * For reference,
	 *    Disable: reg        val
	 *             0x00009860 0x00009d18 (if 11a / 11g, else no change)
	 *             0x00009970 0x192bb514
	 *             0x0000a208 0xd03e4648
	 *
	 *    Enable:  0x00009860 0x00009d10 (if 11a / 11g, else no change)
	 *             0x00009970 0x192fb514
	 *             0x0000a208 0xd03e6788
	 */

	/* XXX Setup pre PHY ENABLE EAR additions */

	/* flush SCAL reg */
	if (IS_5312_2_X(ah)) {
		(void) OS_REG_READ(ah, AR_PHY_SLEEP_SCAL);
	}

	/*
	 * Wait for the frequency synth to settle (synth goes on
	 * via AR_PHY_ACTIVE_EN).  Read the phy active delay register.
	 * Value is in 100ns increments.
	 */
	synthDelay = OS_REG_READ(ah, AR_PHY_RX_DELAY) & AR_PHY_RX_DELAY_DELAY;
	if (IEEE80211_IS_CHAN_B(chan)) {
		synthDelay = (4 * synthDelay) / 22;
	} else {
		synthDelay /= 10;
	}

	/* Activate the PHY (includes baseband activate and synthesizer on) */
	OS_REG_WRITE(ah, AR_PHY_ACTIVE, AR_PHY_ACTIVE_EN);

	/* 
	 * There is an issue if the AP starts the calibration before
	 * the base band timeout completes.  This could result in the
	 * rx_clear false triggering.  As a workaround we add delay an
	 * extra BASE_ACTIVATE_DELAY usecs to ensure this condition
	 * does not happen.
	 */
	if (IEEE80211_IS_CHAN_HALF(chan)) {
		OS_DELAY((synthDelay << 1) + BASE_ACTIVATE_DELAY);
	} else if (IEEE80211_IS_CHAN_QUARTER(chan)) {
		OS_DELAY((synthDelay << 2) + BASE_ACTIVATE_DELAY);
	} else {
		OS_DELAY(synthDelay + BASE_ACTIVATE_DELAY);
	}

	/*
	 * The udelay method is not reliable with notebooks.
	 * Need to check to see if the baseband is ready
	 */
	testReg = OS_REG_READ(ah, AR_PHY_TESTCTRL);
	/* Selects the Tx hold */
	OS_REG_WRITE(ah, AR_PHY_TESTCTRL, AR_PHY_TESTCTRL_TXHOLD);
	i = 0;
	while ((i++ < 20) &&
	       (OS_REG_READ(ah, 0x9c24) & 0x10)) /* test if baseband not ready */		OS_DELAY(200);
	OS_REG_WRITE(ah, AR_PHY_TESTCTRL, testReg);

	/* Calibrate the AGC and start a NF calculation */
	OS_REG_WRITE(ah, AR_PHY_AGC_CONTROL,
		  OS_REG_READ(ah, AR_PHY_AGC_CONTROL)
		| AR_PHY_AGC_CONTROL_CAL
		| AR_PHY_AGC_CONTROL_NF);

	if (!IEEE80211_IS_CHAN_B(chan) && ahp->ah_bIQCalibration != IQ_CAL_DONE) {
		/* Start IQ calibration w/ 2^(INIT_IQCAL_LOG_COUNT_MAX+1) samples */
		OS_REG_RMW_FIELD(ah, AR_PHY_TIMING_CTRL4, 
			AR_PHY_TIMING_CTRL4_IQCAL_LOG_COUNT_MAX,
			INIT_IQCAL_LOG_COUNT_MAX);
		OS_REG_SET_BIT(ah, AR_PHY_TIMING_CTRL4,
			AR_PHY_TIMING_CTRL4_DO_IQCAL);
		ahp->ah_bIQCalibration = IQ_CAL_RUNNING;
	} else
		ahp->ah_bIQCalibration = IQ_CAL_INACTIVE;

	/* Setup compression registers */
	ar5212SetCompRegs(ah);

	/* Set 1:1 QCU to DCU mapping for all queues */
	for (i = 0; i < AR_NUM_DCU; i++)
		OS_REG_WRITE(ah, AR_DQCUMASK(i), 1 << i);

	ahp->ah_intrTxqs = 0;
	for (i = 0; i < AH_PRIVATE(ah)->ah_caps.halTotalQueues; i++)
		ar5212ResetTxQueue(ah, i);

	/*
	 * Setup interrupt handling.  Note that ar5212ResetTxQueue
	 * manipulates the secondary IMR's as queues are enabled
	 * and disabled.  This is done with RMW ops to insure the
	 * settings we make here are preserved.
	 */
	ahp->ah_maskReg = AR_IMR_TXOK | AR_IMR_TXERR | AR_IMR_TXURN
			| AR_IMR_RXOK | AR_IMR_RXERR | AR_IMR_RXORN
			| AR_IMR_HIUERR
			;
	if (opmode == HAL_M_HOSTAP)
		ahp->ah_maskReg |= AR_IMR_MIB;
	OS_REG_WRITE(ah, AR_IMR, ahp->ah_maskReg);
	/* Enable bus errors that are OR'd to set the HIUERR bit */
	OS_REG_WRITE(ah, AR_IMR_S2,
		OS_REG_READ(ah, AR_IMR_S2)
		| AR_IMR_S2_MCABT | AR_IMR_S2_SSERR | AR_IMR_S2_DPERR);

	if (AH_PRIVATE(ah)->ah_rfkillEnabled)
		ar5212EnableRfKill(ah);

	if (!ath_hal_wait(ah, AR_PHY_AGC_CONTROL, AR_PHY_AGC_CONTROL_CAL, 0)) {
		HALDEBUG(ah, HAL_DEBUG_ANY,
		    "%s: offset calibration failed to complete in 1ms;"
		    " noisy environment?\n", __func__);
	}

	/*
	 * Set clocks back to 32kHz if they had been using refClk, then
	 * use an external 32kHz crystal when sleeping, if one exists.
	 */
	ar5312SetupClock(ah, opmode);

	/*
	 * Writing to AR_BEACON will start timers. Hence it should
	 * be the last register to be written. Do not reset tsf, do
	 * not enable beacons at this point, but preserve other values
	 * like beaconInterval.
	 */
	OS_REG_WRITE(ah, AR_BEACON,
		(OS_REG_READ(ah, AR_BEACON) &~ (AR_BEACON_EN | AR_BEACON_RESET_TSF)));

	/* XXX Setup post reset EAR additions */

	/*  QoS support */
	if (AH_PRIVATE(ah)->ah_macVersion > AR_SREV_VERSION_VENICE ||
	    (AH_PRIVATE(ah)->ah_macVersion == AR_SREV_VERSION_VENICE &&
	     AH_PRIVATE(ah)->ah_macRev >= AR_SREV_GRIFFIN_LITE)) {
		OS_REG_WRITE(ah, AR_QOS_CONTROL, 0x100aa);	/* XXX magic */
		OS_REG_WRITE(ah, AR_QOS_SELECT, 0x3210);	/* XXX magic */
	}

	/* Turn on NOACK Support for QoS packets */
	OS_REG_WRITE(ah, AR_NOACK,
		     SM(2, AR_NOACK_2BIT_VALUE) |
		     SM(5, AR_NOACK_BIT_OFFSET) |
		     SM(0, AR_NOACK_BYTE_OFFSET));

	/* Restore user-specified settings */
	if (ahp->ah_miscMode != 0)
		OS_REG_WRITE(ah, AR_MISC_MODE, ahp->ah_miscMode);
	if (ahp->ah_slottime != (u_int) -1)
		ar5212SetSlotTime(ah, ahp->ah_slottime);
	if (ahp->ah_acktimeout != (u_int) -1)
		ar5212SetAckTimeout(ah, ahp->ah_acktimeout);
	if (ahp->ah_ctstimeout != (u_int) -1)
		ar5212SetCTSTimeout(ah, ahp->ah_ctstimeout);
	if (ahp->ah_sifstime != (u_int) -1)
		ar5212SetSifsTime(ah, ahp->ah_sifstime);
	if (AH_PRIVATE(ah)->ah_diagreg != 0)
		OS_REG_WRITE(ah, AR_DIAG_SW, AH_PRIVATE(ah)->ah_diagreg);

	AH_PRIVATE(ah)->ah_opmode = opmode;	/* record operating mode */

	if (bChannelChange && !IEEE80211_IS_CHAN_DFS(chan)) 
		chan->ic_state &= ~IEEE80211_CHANSTATE_CWINT;

	HALDEBUG(ah, HAL_DEBUG_RESET, "%s: done\n", __func__);

	OS_MARK(ah, AH_MARK_RESET_DONE, 0);

	return AH_TRUE;
bad:
	OS_MARK(ah, AH_MARK_RESET_DONE, ecode);
	if (status != AH_NULL)
		*status = ecode;
	return AH_FALSE;
#undef FAIL
#undef N
}
Exemplo n.º 13
0
void ieee80211_mlme_join_infra_continue(struct ieee80211vap *vap, int32_t status)
{
    struct ieee80211com           *ic = vap->iv_ic;
    struct ieee80211_node         *ni;
    struct ieee80211_mlme_priv    *mlme_priv = vap->iv_mlme_priv;
    u_int32_t                     join_timeout_ms;

    if (mlme_priv->im_request_type != MLME_REQ_JOIN_INFRA) {
        IEEE80211_DPRINTF(vap, IEEE80211_MSG_MLME, "%s : im_request_type != JOIN_INFRA\n", 
            __func__);
        return;
    }
    
    if (status != EOK) {
        mlme_priv->im_request_type = MLME_REQ_NONE;
        IEEE80211_DELIVER_EVENT_MLME_JOIN_COMPLETE_INFRA(vap, IEEE80211_STATUS_UNSPECIFIED);
        return;
     }
    
    /* iv_bss is valid only after ieee80211_sta_join */ 
    ni = vap->iv_bss;

    IEEE80211_DPRINTF(vap, IEEE80211_MSG_MLME, "%s ni=%02X:%02X:%02X:%02X:%02X:%02X\n", 
        __func__,
        ni->ni_macaddr[0], ni->ni_macaddr[1], ni->ni_macaddr[2],
        ni->ni_macaddr[3], ni->ni_macaddr[4], ni->ni_macaddr[5]);
    
    /* Update erp info */
    if (ni->ni_erp & IEEE80211_ERP_USE_PROTECTION)
        ic->ic_flags |= IEEE80211_F_USEPROT;
    else
        ic->ic_flags &= ~IEEE80211_F_USEPROT;
    ic->ic_update_protmode(ic);

    if(ni->ni_erp & IEEE80211_ERP_LONG_PREAMBLE)
        ic->ic_flags |= IEEE80211_F_USEBARKER;
    else
        ic->ic_flags &= (~IEEE80211_F_USEBARKER);

    /* Update slot time info */
    ieee80211_set_shortslottime(ic,
                                IEEE80211_IS_CHAN_A(vap->iv_bsschan) ||
                                IEEE80211_IS_CHAN_11NA(vap->iv_bsschan) ||
                                (ni->ni_capinfo & IEEE80211_CAPINFO_SHORT_SLOTTIME));

    /* Put underlying H/W to JOIN state */
    ieee80211_vap_join(vap);

#ifdef ATH_SUPPORT_TxBF
    ieee80211_init_txbf(ic, ni);
#endif
    /* Send a direct probe to increase the odds of receiving a probe response */
    ieee80211_send_probereq(ni, ic->ic_myaddr, ni->ni_bssid,
                            ni->ni_bssid, ni->ni_essid, ni->ni_esslen,
                            vap->iv_opt_ie.ie, vap->iv_opt_ie.length);

    /* Set the timeout timer for Join Failure case. */
    join_timeout_ms = IEEE80211_TU_TO_MS(mlme_priv->im_timeout * ni->ni_intval);
    IEEE80211_DPRINTF(vap, IEEE80211_MSG_MLME, "%s: Setting Join Timeout timer for %d ms\n", __func__, join_timeout_ms);
    OS_SET_TIMER(&mlme_priv->im_timeout_timer, join_timeout_ms);

    /* Set the appropriate filtering function and wait for Join Beacon */
    MLME_WAIT_FOR_BSS_JOIN(mlme_priv);
}
Exemplo n.º 14
0
/*
 * Reads EEPROM header info from device structure and programs
 * all rf registers
 *
 * REQUIRES: Access to the analog rf device
 */
static HAL_BOOL
ar5111SetRfRegs(struct ath_hal *ah, const struct ieee80211_channel *chan,
	uint16_t modesIndex, uint16_t *rfXpdGain)
{
	uint16_t freq = ath_hal_gethwchannel(ah, chan);
	struct ath_hal_5212 *ahp = AH5212(ah);
	const HAL_EEPROM *ee = AH_PRIVATE(ah)->ah_eeprom;
	uint16_t rfXpdGainFixed, rfPloSel, rfPwdXpd, gainI;
	uint16_t tempOB, tempDB;
	uint32_t ob2GHz, db2GHz, rfReg[NELEM(ar5212Bank6_5111)];
	int i, regWrites = 0;

	HALDEBUG(ah, HAL_DEBUG_RFPARAM, "%s: chan %u/0x%x modesIndex %u\n",
	    __func__, chan->ic_freq, chan->ic_flags, modesIndex);

	/* Setup rf parameters */
	switch (chan->ic_flags & IEEE80211_CHAN_ALLFULL) {
	case IEEE80211_CHAN_A:
		if (4000 < freq && freq < 5260) {
			tempOB = ee->ee_ob1;
			tempDB = ee->ee_db1;
		} else if (5260 <= freq && freq < 5500) {
			tempOB = ee->ee_ob2;
			tempDB = ee->ee_db2;
		} else if (5500 <= freq && freq < 5725) {
			tempOB = ee->ee_ob3;
			tempDB = ee->ee_db3;
		} else if (freq >= 5725) {
			tempOB = ee->ee_ob4;
			tempDB = ee->ee_db4;
		} else {
			/* XXX when does this happen??? */
			tempOB = tempDB = 0;
		}
		ob2GHz = db2GHz = 0;

		rfXpdGainFixed = ee->ee_xgain[headerInfo11A];
		rfPloSel = ee->ee_xpd[headerInfo11A];
		rfPwdXpd = !ee->ee_xpd[headerInfo11A];
		gainI = ee->ee_gainI[headerInfo11A];
		break;
	case IEEE80211_CHAN_B:
		tempOB = ee->ee_obFor24;
		tempDB = ee->ee_dbFor24;
		ob2GHz = ee->ee_ob2GHz[0];
		db2GHz = ee->ee_db2GHz[0];

		rfXpdGainFixed = ee->ee_xgain[headerInfo11B];
		rfPloSel = ee->ee_xpd[headerInfo11B];
		rfPwdXpd = !ee->ee_xpd[headerInfo11B];
		gainI = ee->ee_gainI[headerInfo11B];
		break;
	case IEEE80211_CHAN_G:
	case IEEE80211_CHAN_PUREG:	/* NB: really 108G */
		tempOB = ee->ee_obFor24g;
		tempDB = ee->ee_dbFor24g;
		ob2GHz = ee->ee_ob2GHz[1];
		db2GHz = ee->ee_db2GHz[1];

		rfXpdGainFixed = ee->ee_xgain[headerInfo11G];
		rfPloSel = ee->ee_xpd[headerInfo11G];
		rfPwdXpd = !ee->ee_xpd[headerInfo11G];
		gainI = ee->ee_gainI[headerInfo11G];
		break;
	default:
		HALDEBUG(ah, HAL_DEBUG_ANY, "%s: invalid channel flags 0x%x\n",
		    __func__, chan->ic_flags);
		return AH_FALSE;
	}

	HALASSERT(1 <= tempOB && tempOB <= 5);
	HALASSERT(1 <= tempDB && tempDB <= 5);

	/* Bank 0 Write */
	for (i = 0; i < NELEM(ar5212Bank0_5111); i++)
		rfReg[i] = ar5212Bank0_5111[i][modesIndex];
	if (IEEE80211_IS_CHAN_2GHZ(chan)) {
		ar5212ModifyRfBuffer(rfReg, ob2GHz, 3, 119, 0);
		ar5212ModifyRfBuffer(rfReg, db2GHz, 3, 122, 0);
	}
	HAL_INI_WRITE_BANK(ah, ar5212Bank0_5111, rfReg, regWrites);

	/* Bank 1 Write */
	HAL_INI_WRITE_ARRAY(ah, ar5212Bank1_5111, 1, regWrites);

	/* Bank 2 Write */
	HAL_INI_WRITE_ARRAY(ah, ar5212Bank2_5111, modesIndex, regWrites);

	/* Bank 3 Write */
	HAL_INI_WRITE_ARRAY(ah, ar5212Bank3_5111, modesIndex, regWrites);

	/* Bank 6 Write */
	for (i = 0; i < NELEM(ar5212Bank6_5111); i++)
		rfReg[i] = ar5212Bank6_5111[i][modesIndex];
	if (IEEE80211_IS_CHAN_A(chan)) {	/* NB: CHANNEL_A | CHANNEL_T */
		ar5212ModifyRfBuffer(rfReg, ee->ee_cornerCal.pd84, 1, 51, 3);
		ar5212ModifyRfBuffer(rfReg, ee->ee_cornerCal.pd90, 1, 45, 3);
	}
	ar5212ModifyRfBuffer(rfReg, rfPwdXpd, 1, 95, 0);
	ar5212ModifyRfBuffer(rfReg, rfXpdGainFixed, 4, 96, 0);
	/* Set 5212 OB & DB */
	ar5212ModifyRfBuffer(rfReg, tempOB, 3, 104, 0);
	ar5212ModifyRfBuffer(rfReg, tempDB, 3, 107, 0);
	HAL_INI_WRITE_BANK(ah, ar5212Bank6_5111, rfReg, regWrites);

	/* Bank 7 Write */
	for (i = 0; i < NELEM(ar5212Bank7_5111); i++)
		rfReg[i] = ar5212Bank7_5111[i][modesIndex];
	ar5212ModifyRfBuffer(rfReg, gainI, 6, 29, 0);   
	ar5212ModifyRfBuffer(rfReg, rfPloSel, 1, 4, 0);   

	if (IEEE80211_IS_CHAN_QUARTER(chan) || IEEE80211_IS_CHAN_HALF(chan)) {
        	uint32_t	rfWaitI, rfWaitS, rfMaxTime;

        	rfWaitS = 0x1f;
        	rfWaitI = (IEEE80211_IS_CHAN_HALF(chan)) ?  0x10 : 0x1f;
        	rfMaxTime = 3;
        	ar5212ModifyRfBuffer(rfReg, rfWaitS, 5, 19, 0);
        	ar5212ModifyRfBuffer(rfReg, rfWaitI, 5, 24, 0);
        	ar5212ModifyRfBuffer(rfReg, rfMaxTime, 2, 49, 0);

	}

	HAL_INI_WRITE_BANK(ah, ar5212Bank7_5111, rfReg, regWrites);

	/* Now that we have reprogrammed rfgain value, clear the flag. */
	ahp->ah_rfgainState = HAL_RFGAIN_INACTIVE;

	return AH_TRUE;
}
Exemplo n.º 15
0
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;
}
Exemplo n.º 16
0
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);
}