コード例 #1
0
/*
 * Default scan attach method.
 */
void
ieee80211_swscan_attach(struct ieee80211com *ic)
{
	struct scan_state *ss;

	/*
	 * Setup the default methods
	 */
	ic->ic_scan_methods = &swscan_methods;

	/* Allocate initial scan state */
	ss = (struct scan_state *) IEEE80211_MALLOC(sizeof(struct scan_state),
		M_80211_SCAN, IEEE80211_M_NOWAIT | IEEE80211_M_ZERO);
	if (ss == NULL) {
		ic->ic_scan = NULL;
		return;
	}
	TASK_INIT(&ss->ss_scan_start, 0, scan_start, ss);
	TIMEOUT_TASK_INIT(ic->ic_tq, &ss->ss_scan_curchan, 0,
	    scan_curchan_task, ss);

	ic->ic_scan = &ss->base;
	ss->base.ss_ic = ic;

	ic->ic_scan_curchan = scan_curchan;
	ic->ic_scan_mindwell = scan_mindwell;
}
コード例 #2
0
ファイル: ieee80211_tdma.c プロジェクト: cyrilmagsuci/freebsd
void
ieee80211_tdma_vattach(struct ieee80211vap *vap)
{
	struct ieee80211_tdma_state *ts;

	KASSERT(vap->iv_caps & IEEE80211_C_TDMA,
	     ("not a tdma vap, caps 0x%x", vap->iv_caps));

	ts = (struct ieee80211_tdma_state *) IEEE80211_MALLOC(
	     sizeof(struct ieee80211_tdma_state), M_80211_VAP,
	     IEEE80211_M_NOWAIT | IEEE80211_M_ZERO);
	if (ts == NULL) {
		printf("%s: cannot allocate TDMA state block\n", __func__);
		/* NB: fall back to adhdemo mode */
		vap->iv_caps &= ~IEEE80211_C_TDMA;
		return;
	}
	/* NB: default configuration is passive so no beacons */
	ts->tdma_version = TDMA_VERSION;
	ts->tdma_slotlen = TDMA_SLOTLEN_DEFAULT;
	ts->tdma_slotcnt = TDMA_SLOTCNT_DEFAULT;
	ts->tdma_bintval = TDMA_BINTVAL_DEFAULT;
	ts->tdma_slot = 1;			/* passive operation */

	/* setup default fixed rates */
	settxparms(vap, IEEE80211_MODE_11A, TDMA_TXRATE_11A_DEFAULT);
	settxparms(vap, IEEE80211_MODE_11B, TDMA_TXRATE_11B_DEFAULT);
	settxparms(vap, IEEE80211_MODE_11G, TDMA_TXRATE_11G_DEFAULT);
	settxparms(vap, IEEE80211_MODE_TURBO_A, TDMA_TXRATE_TURBO_DEFAULT);
	settxparms(vap, IEEE80211_MODE_TURBO_G, TDMA_TXRATE_TURBO_DEFAULT);
	settxparms(vap, IEEE80211_MODE_STURBO_A, TDMA_TXRATE_TURBO_DEFAULT);
	settxparms(vap, IEEE80211_MODE_11NA, TDMA_TXRATE_11NA_DEFAULT);
	settxparms(vap, IEEE80211_MODE_11NG, TDMA_TXRATE_11NG_DEFAULT);
	settxparms(vap, IEEE80211_MODE_HALF, TDMA_TXRATE_HALF_DEFAULT);
	settxparms(vap, IEEE80211_MODE_QUARTER, TDMA_TXRATE_QUARTER_DEFAULT);

	setackpolicy(vap->iv_ic, 1);	/* disable ACK's */

	ts->tdma_opdetach = vap->iv_opdetach;
	vap->iv_opdetach = tdma_vdetach;
	ts->tdma_newstate = vap->iv_newstate;
	vap->iv_newstate = tdma_newstate;
	vap->iv_bmiss = tdma_beacon_miss;
	ts->tdma_recv_mgmt = vap->iv_recv_mgmt;
	vap->iv_recv_mgmt = tdma_recv_mgmt;

	vap->iv_tdma = ts;
}
コード例 #3
0
ファイル: ieee80211_superg.c プロジェクト: ngkaho1234/freebsd
void
ieee80211_superg_attach(struct ieee80211com *ic)
{
	struct ieee80211_superg *sg;

	if (ic->ic_caps & IEEE80211_C_FF) {
		sg = (struct ieee80211_superg *) IEEE80211_MALLOC(
		     sizeof(struct ieee80211_superg), M_80211_VAP,
		     IEEE80211_M_NOWAIT | IEEE80211_M_ZERO);
		if (sg == NULL) {
			printf("%s: cannot allocate SuperG state block\n",
			    __func__);
			return;
		}
		ic->ic_superg = sg;
	}
	ieee80211_ffagemax = msecs_to_ticks(150);
}
コード例 #4
0
ファイル: ieee80211_power.c プロジェクト: 2asoft/freebsd
void
ieee80211_power_latevattach(struct ieee80211vap *vap)
{
	/*
	 * Allocate these only if needed.  Beware that we
	 * know adhoc mode doesn't support ATIM yet...
	 */
	if (vap->iv_opmode == IEEE80211_M_HOSTAP) {
		vap->iv_tim_len = howmany(vap->iv_max_aid,8) * sizeof(uint8_t);
		vap->iv_tim_bitmap = (uint8_t *) IEEE80211_MALLOC(vap->iv_tim_len,
			M_80211_POWER,
			IEEE80211_M_NOWAIT | IEEE80211_M_ZERO);
		if (vap->iv_tim_bitmap == NULL) {
			printf("%s: no memory for TIM bitmap!\n", __func__);
			/* XXX good enough to keep from crashing? */
			vap->iv_tim_len = 0;
		}
	}
}
コード例 #5
0
ファイル: ieee80211_superg.c プロジェクト: drpnd/freebsd
void
ieee80211_superg_attach(struct ieee80211com *ic)
{
	struct ieee80211_superg *sg;

	sg = (struct ieee80211_superg *) IEEE80211_MALLOC(
	     sizeof(struct ieee80211_superg), M_80211_VAP,
	     IEEE80211_M_NOWAIT | IEEE80211_M_ZERO);
	if (sg == NULL) {
		printf("%s: cannot allocate SuperG state block\n",
		    __func__);
		return;
	}
	ic->ic_superg = sg;

	/*
	 * Default to not being so aggressive for FF/AMSDU
	 * aging, otherwise we may hold a frame around
	 * for way too long before we expire it out.
	 */
	ieee80211_ffagemax = msecs_to_ticks(2);
}
コード例 #6
0
ファイル: ieee80211_amrr.c プロジェクト: kusumi/DragonFlyBSD
static void
amrr_init(struct ieee80211vap *vap)
{
	struct ieee80211_amrr *amrr;

	KASSERT(vap->iv_rs == NULL, ("%s called multiple times", __func__));

#if defined(__DragonFly__)
	amrr = vap->iv_rs = kmalloc(sizeof(struct ieee80211_amrr),
	    M_80211_RATECTL, M_INTWAIT|M_ZERO);
#else
	amrr = vap->iv_rs = IEEE80211_MALLOC(sizeof(struct ieee80211_amrr),
	    M_80211_RATECTL, IEEE80211_M_NOWAIT | IEEE80211_M_ZERO);
#endif
	if (amrr == NULL) {
		if_printf(vap->iv_ifp, "couldn't alloc ratectl structure\n");
		return;
	}
	amrr->amrr_min_success_threshold = IEEE80211_AMRR_MIN_SUCCESS_THRESHOLD;
	amrr->amrr_max_success_threshold = IEEE80211_AMRR_MAX_SUCCESS_THRESHOLD;
	amrr_setinterval(vap, 500 /* ms */);
	amrr_sysctlattach(vap, vap->iv_sysctl, vap->iv_oid);
}
コード例 #7
0
	    [IEEE80211_MODE_TURBO_G]	= CHAN_UNINTERESTING,
	    [IEEE80211_MODE_STURBO_A]	= CHAN_UNINTERESTING,
	    [IEEE80211_MODE_HALF]	= IEEE80211_CHAN_TURBO
					| IEEE80211_CHAN_STURBO,
	    [IEEE80211_MODE_QUARTER]	= IEEE80211_CHAN_TURBO
					| IEEE80211_CHAN_STURBO,
	    [IEEE80211_MODE_11NA]	= CHAN_UNINTERESTING,
	    [IEEE80211_MODE_11NG]	= CHAN_UNINTERESTING,
	};
	const struct ieee80211_regdomain *rd = &ic->ic_regdomain;
	uint8_t nextchan, chans[IEEE80211_CHAN_BYTES], *frm;
	struct ieee80211_appie *aie;
	struct ieee80211_country_ie *ie;
	int i, skip, nruns;

	aie = IEEE80211_MALLOC(IEEE80211_COUNTRY_MAX_SIZE, M_80211_NODE_IE,
	    IEEE80211_M_NOWAIT | IEEE80211_M_ZERO);
	if (aie == NULL) {
		ic_printf(ic, "%s: unable to allocate memory for country ie\n",
		    __func__);
		/* XXX stat */
		return NULL;
	}
	ie = (struct ieee80211_country_ie *) aie->ie_data;
	ie->ie = IEEE80211_ELEMID_COUNTRY;
	if (rd->isocc[0] == '\0') {
		ic_printf(ic, "no ISO country string for cc %d; using blanks\n",
		    rd->country);
		ie->cc[0] = ie->cc[1] = ' ';
	} else {
		ie->cc[0] = rd->isocc[0];
		ie->cc[1] = rd->isocc[1];
コード例 #8
0
ファイル: ieee80211_amrr.c プロジェクト: kusumi/DragonFlyBSD
static void
amrr_node_init(struct ieee80211_node *ni)
{
	const struct ieee80211_rateset *rs = NULL;
	struct ieee80211vap *vap = ni->ni_vap;
	struct ieee80211_amrr *amrr = vap->iv_rs;
	struct ieee80211_amrr_node *amn;
	uint8_t rate;

	if (ni->ni_rctls == NULL) {
#if defined(__DragonFly__)
		ni->ni_rctls = amn = kmalloc(sizeof(struct ieee80211_amrr_node),
		    M_80211_RATECTL, M_INTWAIT|M_ZERO);
#else
		ni->ni_rctls = amn = IEEE80211_MALLOC(sizeof(struct ieee80211_amrr_node),
		    M_80211_RATECTL, IEEE80211_M_NOWAIT | IEEE80211_M_ZERO);
#endif
		if (amn == NULL) {
			if_printf(vap->iv_ifp, "couldn't alloc per-node ratectl "
			    "structure\n");
			return;
		}
	} else
		amn = ni->ni_rctls;
	amn->amn_amrr = amrr;
	amn->amn_success = 0;
	amn->amn_recovery = 0;
	amn->amn_txcnt = amn->amn_retrycnt = 0;
	amn->amn_success_threshold = amrr->amrr_min_success_threshold;

	/* 11n or not? Pick the right rateset */
	if (amrr_node_is_11n(ni)) {
		/* XXX ew */
		IEEE80211_NOTE(ni->ni_vap, IEEE80211_MSG_RATECTL, ni,
		    "%s: 11n node", __func__);
		rs = (struct ieee80211_rateset *) &ni->ni_htrates;
	} else {
		IEEE80211_NOTE(ni->ni_vap, IEEE80211_MSG_RATECTL, ni,
		    "%s: non-11n node", __func__);
		rs = &ni->ni_rates;
	}

	/* Initial rate - lowest */
	rate = rs->rs_rates[0];

	/* XXX clear the basic rate flag if it's not 11n */
	if (! amrr_node_is_11n(ni))
		rate &= IEEE80211_RATE_VAL;

	/* pick initial rate from the rateset - HT or otherwise */
	/* Pick something low that's likely to succeed */
	for (amn->amn_rix = rs->rs_nrates - 1; amn->amn_rix > 0;
	    amn->amn_rix--) {
		/* legacy - anything < 36mbit, stop searching */
		/* 11n - stop at MCS4 */
		if (amrr_node_is_11n(ni)) {
			if ((rs->rs_rates[amn->amn_rix] & 0x1f) < 4)
				break;
		} else if ((rs->rs_rates[amn->amn_rix] & IEEE80211_RATE_VAL) <= 72)
			break;
	}
	rate = rs->rs_rates[amn->amn_rix] & IEEE80211_RATE_VAL;

	/* if the rate is an 11n rate, ensure the MCS bit is set */
	if (amrr_node_is_11n(ni))
		rate |= IEEE80211_RATE_MCS;

	/* Assign initial rate from the rateset */
	ni->ni_txrate = rate;
	amn->amn_ticks = ticks;

	IEEE80211_NOTE(ni->ni_vap, IEEE80211_MSG_RATECTL, ni,
	    "AMRR: nrates=%d, initial rate %d",
	    rs->rs_nrates,
	    rate);
}