+++ /dev/null
---- a/ath/if_ath.c
-+++ b/ath/if_ath.c
-@@ -160,7 +160,7 @@ static int ath_check_beacon_done(struct
- static void ath_beacon_send(struct ath_softc *, int *, uint64_t hw_tsf);
- static void ath_beacon_return(struct ath_softc *, struct ath_buf *);
- static void ath_beacon_free(struct ath_softc *);
--static void ath_beacon_config(struct ath_softc *, struct ieee80211vap *);
-+static void ath_beacon_config(struct ath_softc *, struct ieee80211vap *, int);
- static void ath_hw_beacon_stop(struct ath_softc *sc);
- static int ath_desc_alloc(struct ath_softc *);
- static void ath_desc_free(struct ath_softc *);
-@@ -387,13 +387,11 @@ static void ath_set_timing(struct ath_so
- /* calibrate every 30 secs in steady state but check every second at first. */
- static int ath_calinterval = ATH_SHORT_CALINTERVAL;
- static int ath_xchanmode = AH_TRUE; /* enable extended channels */
--static int ath_maxvaps = ATH_MAXVAPS_DEFAULT; /* set default maximum vaps */
- static int bstuck_thresh = BSTUCK_THRESH; /* Stuck beacon count required for reset */
- static char *autocreate = NULL;
- static char *ratectl = DEF_RATE_CTL;
- static int rfkill = 0;
- static int tpc = 1;
--static int maxvaps = -1;
- static int xchanmode = -1;
- #include "ath_wprobe.c"
- static int beacon_cal = 1;
-@@ -432,7 +430,6 @@ static struct notifier_block ath_event_b
-
- #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,52))
- MODULE_PARM(beacon_cal, "i");
--MODULE_PARM(maxvaps, "i");
- MODULE_PARM(xchanmode, "i");
- MODULE_PARM(rfkill, "i");
- #ifdef ATH_CAP_TPC
-@@ -444,7 +441,6 @@ MODULE_PARM(ratectl, "s");
- #else
- #include <linux/moduleparam.h>
- module_param(beacon_cal, int, 0600);
--module_param(maxvaps, int, 0600);
- module_param(xchanmode, int, 0600);
- module_param(rfkill, int, 0600);
- #ifdef ATH_CAP_TPC
-@@ -454,7 +450,6 @@ module_param(bstuck_thresh, int, 0600);
- module_param(autocreate, charp, 0600);
- module_param(ratectl, charp, 0600);
- #endif
--MODULE_PARM_DESC(maxvaps, "Maximum VAPs");
- MODULE_PARM_DESC(xchanmode, "Enable/disable extended channel mode");
- MODULE_PARM_DESC(rfkill, "Enable/disable RFKILL capability");
- #ifdef ATH_CAP_TPC
-@@ -512,7 +507,7 @@ MODULE_PARM_DESC(ieee80211_debug, "Load-
- * and use the higher bits as the index of the VAP.
- */
- #define ATH_SET_VAP_BSSID_MASK(bssid_mask) \
-- ((bssid_mask)[0] &= ~(((ath_maxvaps-1) << 2) | 0x02))
-+ ((bssid_mask)[0] &= ~(((ATH_MAXVAPS_BCN-1) << 2) | 0x02))
- #define ATH_GET_VAP_ID(bssid) ((bssid)[0] >> 2)
- #define ATH_SET_VAP_BSSID(bssid, id) \
- do { \
-@@ -604,8 +599,8 @@ ath_attach(u_int16_t devid, struct net_d
-
- /* Allocate space for dynamically determined maximum VAP count */
- sc->sc_bslot =
-- kmalloc(ath_maxvaps * sizeof(struct ieee80211vap*), GFP_KERNEL);
-- memset(sc->sc_bslot, 0, ath_maxvaps * sizeof(struct ieee80211vap*));
-+ kmalloc(ATH_MAXVAPS_BCN * sizeof(struct ieee80211vap*), GFP_KERNEL);
-+ memset(sc->sc_bslot, 0, ATH_MAXVAPS_BCN * sizeof(struct ieee80211vap*));
-
- /*
- * Cache line size is used to size and align various
-@@ -694,13 +689,6 @@ ath_attach(u_int16_t devid, struct net_d
- for (i = 0; i < sc->sc_keymax; i++)
- ath_hal_keyreset(ah, i);
-
-- if (maxvaps != -1) {
-- ath_maxvaps = maxvaps;
-- if (ath_maxvaps < ATH_MAXVAPS_MIN)
-- ath_maxvaps = ATH_MAXVAPS_MIN;
-- else if (ath_maxvaps > ATH_MAXVAPS_MAX)
-- ath_maxvaps = ATH_MAXVAPS_MAX;
-- }
- if (xchanmode != -1)
- ath_xchanmode = xchanmode;
- error = ath_getchannels(dev);
-@@ -1349,12 +1337,6 @@ ath_vap_create(struct ieee80211com *ic,
- return NULL;
- }
-
-- if (sc->sc_nvaps >= ath_maxvaps) {
-- EPRINTF(sc, "Too many virtual APs (%d already exist).\n",
-- sc->sc_nvaps);
-- return NULL;
-- }
--
- dev = alloc_etherdev(sizeof(struct ath_vap) + sc->sc_rc->arc_vap_space);
- if (dev == NULL) {
- /* XXX msg */
-@@ -1424,7 +1406,7 @@ ath_vap_create(struct ieee80211com *ic,
- TAILQ_FOREACH(v, &ic->ic_vaps, iv_next)
- id_mask |= (1 << ATH_GET_VAP_ID(v->iv_myaddr));
-
-- for (id = 0; id < ath_maxvaps; id++) {
-+ for (id = 0; id < ATH_MAXVAPS_BCN; id++) {
- /* get the first available slot */
- if ((id_mask & (1 << id)) == 0) {
- ATH_SET_VAP_BSSID(vap->iv_myaddr, id);
-@@ -1451,11 +1433,11 @@ ath_vap_create(struct ieee80211com *ic,
- /* Assign the VAP to a beacon xmit slot. As
- * above, this cannot fail to find one. */
- avp->av_bslot = 0;
-- for (slot = 0; slot < ath_maxvaps; slot++)
-+ for (slot = 0; slot < ATH_MAXVAPS_BCN; slot++)
- if (sc->sc_bslot[slot] == NULL) {
- /* XXX: Hack, space out slots to better
- * deal with misses. */
-- if (slot + 1 < ath_maxvaps &&
-+ if (slot + 1 < ATH_MAXVAPS_BCN &&
- sc->sc_bslot[slot+1] == NULL) {
- avp->av_bslot = slot + 1;
- break;
-@@ -1463,8 +1445,11 @@ ath_vap_create(struct ieee80211com *ic,
- avp->av_bslot = slot;
- /* NB: keep looking for a double slot */
- }
-- KASSERT(sc->sc_bslot[avp->av_bslot] == NULL,
-- ("beacon slot %u not empty?", avp->av_bslot));
-+ if (sc->sc_bslot[avp->av_bslot]) {
-+ free_netdev(dev);
-+ return NULL;
-+ }
-+
- sc->sc_bslot[avp->av_bslot] = vap;
- sc->sc_nbcnvaps++;
-
-@@ -1475,15 +1460,7 @@ ath_vap_create(struct ieee80211com *ic,
- * of staggered beacons.
- */
- /* XXX check for beacon interval too small */
-- if (ath_maxvaps > 4) {
-- DPRINTF(sc, ATH_DEBUG_BEACON,
-- "Staggered beacons are not "
-- "possible with maxvaps set "
-- "to %d.\n", ath_maxvaps);
-- sc->sc_stagbeacons = 0;
-- } else {
-- sc->sc_stagbeacons = 1;
-- }
-+ sc->sc_stagbeacons = 1;
- }
- DPRINTF(sc, ATH_DEBUG_BEACON, "sc->sc_stagbeacons %sabled\n",
- (sc->sc_stagbeacons ? "en" : "dis"));
-@@ -1553,7 +1530,7 @@ ath_vap_create(struct ieee80211com *ic,
- if (ath_startrecv(sc) != 0) /* restart recv */
- EPRINTF(sc, "Unable to start receive logic.\n");
- if (sc->sc_beacons)
-- ath_beacon_config(sc, NULL); /* restart beacons */
-+ ath_beacon_config(sc, NULL, 0); /* restart beacons */
- ath_hal_intrset(ah, sc->sc_imask);
- }
-
-@@ -1681,7 +1658,7 @@ ath_vap_delete(struct ieee80211vap *vap)
- if (ath_startrecv(sc) != 0) /* restart recv. */
- EPRINTF(sc, "Unable to start receive logic.\n");
- if (sc->sc_beacons)
-- ath_beacon_config(sc, NULL); /* restart beacons */
-+ ath_beacon_config(sc, NULL, 0); /* restart beacons */
- ath_hal_intrset(ah, sc->sc_imask);
- }
- }
-@@ -3066,7 +3043,7 @@ ath_reset(struct net_device *dev)
- */
- ath_chan_change(sc, c);
- if (sc->sc_beacons)
-- ath_beacon_config(sc, NULL); /* restart beacons */
-+ ath_beacon_config(sc, NULL, 1); /* restart beacons */
- ath_hal_intrset(ah, sc->sc_imask);
- ath_set_ack_bitrate(sc, sc->sc_ackrate);
- netif_wake_queue(dev); /* restart xmit */
-@@ -4763,7 +4740,7 @@ ath_check_beacon_done(struct ath_softc *
- /*
- * check if the last beacon went out with the mode change flag set.
- */
-- for (slot = 0; slot < ath_maxvaps; slot++) {
-+ for (slot = 0; slot < ATH_MAXVAPS_BCN; slot++) {
- if (sc->sc_bslot[slot]) {
- vap = sc->sc_bslot[slot];
- break;
-@@ -4968,7 +4945,7 @@ ath_beacon_alloc_internal(struct ath_sof
- * has a timestamp in one beacon interval while the
- * others get a timestamp aligned to the next interval.
- */
-- tuadjust = (ni->ni_intval * (ath_maxvaps - avp->av_bslot)) / ath_maxvaps;
-+ tuadjust = (ni->ni_intval * (ATH_MAXVAPS_BCN - avp->av_bslot)) / ATH_MAXVAPS_BCN;
- tsfadjust = cpu_to_le64(tuadjust << 10); /* TU->TSF */
-
- DPRINTF(sc, ATH_DEBUG_BEACON,
-@@ -5361,8 +5338,8 @@ ath_beacon_send(struct ath_softc *sc, in
- u_int32_t tsftu;
-
- tsftu = hw_tsf >> 10; /* NB: 64 -> 32: See note far above. */
-- slot = ((tsftu % ic->ic_lintval) * ath_maxvaps) / ic->ic_lintval;
-- vap = sc->sc_bslot[(slot + 1) % ath_maxvaps];
-+ slot = ((tsftu % ic->ic_lintval) * ATH_MAXVAPS_BCN) / ic->ic_lintval;
-+ vap = sc->sc_bslot[(slot + 1) % ATH_MAXVAPS_BCN];
- DPRINTF(sc, ATH_DEBUG_BEACON_PROC,
- "Slot %d [tsf %llu tsftu %llu intval %u] vap %p\n",
- slot, (unsigned long long)hw_tsf,
-@@ -5377,7 +5354,7 @@ ath_beacon_send(struct ath_softc *sc, in
- u_int32_t *bflink = NULL;
-
- /* XXX: rotate/randomize order? */
-- for (slot = 0; slot < ath_maxvaps; slot++) {
-+ for (slot = 0; slot < ATH_MAXVAPS_BCN; slot++) {
- if ((vap = sc->sc_bslot[slot]) != NULL) {
- if ((bf = ath_beacon_generate(
- sc, vap,
-@@ -5418,7 +5395,7 @@ ath_beacon_send(struct ath_softc *sc, in
- * again. If we miss a beacon for that slot then we'll be
- * slow to transition but we'll be sure at least one beacon
- * interval has passed. When bursting slot is always left
-- * set to ath_maxvaps so this check is a no-op.
-+ * set to ATH_MAXVAPS_BCN so this check is a no-op.
- */
- /* XXX locking */
- if (sc->sc_updateslot == UPDATE) {
-@@ -5526,7 +5503,7 @@ ath_beacon_free(struct ath_softc *sc)
- * (2^(32 + 10 - 1) - 1)us is a really long time.
- */
- static void
--ath_beacon_config(struct ath_softc *sc, struct ieee80211vap *vap)
-+ath_beacon_config(struct ath_softc *sc, struct ieee80211vap *vap, int reset)
- {
- struct ieee80211com *ic = &sc->sc_ic;
- struct ath_hal *ah = sc->sc_ah;
-@@ -5553,7 +5530,7 @@ ath_beacon_config(struct ath_softc *sc,
- /* We should reset hw TSF only once, so we increment
- * ni_tstamp.tsf to avoid resetting the hw TSF multiple
- * times */
-- if (tsf == 0) {
-+ if (tsf == 0 || reset) {
- reset_tsf = 1;
- ni->ni_tstamp.tsf = cpu_to_le64(1);
- }
-@@ -5567,7 +5544,7 @@ ath_beacon_config(struct ath_softc *sc,
- /* NB: the beacon interval is kept internally in TUs */
- intval = ic->ic_lintval & HAL_BEACON_PERIOD;
- if (sc->sc_stagbeacons)
-- intval /= ath_maxvaps; /* for staggered beacons */
-+ intval /= ATH_MAXVAPS_BCN; /* for staggered beacons */
- if ((sc->sc_nostabeacons) &&
- (vap->iv_opmode == IEEE80211_M_HOSTAP))
- reset_tsf = 1;
-@@ -5583,31 +5560,24 @@ ath_beacon_config(struct ath_softc *sc,
- * time */
- nexttbtt = intval;
- } else if (intval) { /* NB: can be 0 for monitor mode */
-- if (tsf == 1) {
-- /* We have not received any beacons or probe
-- * responses. Since a beacon should be sent
-- * every 'intval' ms, we compute the next
-- * beacon timestamp using the hardware TSF. We
-- * ensure that it is at least FUDGE TUs ahead
-- * of the current TSF. Otherwise, we use the
-- * next beacon timestamp again */
-- nexttbtt = roundup(hw_tsftu + FUDGE, intval);
-- }
-- else if (ic->ic_opmode == IEEE80211_M_IBSS) {
-- if (tsf > hw_tsf) {
-- /* We received a beacon, but the HW TSF has
-- * not been updated (otherwise hw_tsf > tsf)
-- * We cannot use the hardware TSF, so we
-- * wait to synchronize beacons again. */
-- sc->sc_syncbeacon = 1;
-- goto ath_beacon_config_debug;
-- } else {
-- /* Normal case: we received a beacon to which
-- * we have synchronized. Make sure that nexttbtt
-- * is at least FUDGE TU ahead of hw_tsf */
-- nexttbtt = tsftu + roundup(hw_tsftu + FUDGE -
-- tsftu, intval);
-- }
-+ if ((tsf > hw_tsf) && (ic->ic_opmode == IEEE80211_M_IBSS)) {
-+ /* We received a beacon, but the HW TSF has
-+ * not been updated (otherwise hw_tsf > tsf)
-+ * We cannot use the hardware TSF, so we
-+ * wait to synchronize beacons again. */
-+ sc->sc_syncbeacon = 1;
-+ goto ath_beacon_config_debug;
-+ } else if ((tsftu + FUDGE) > hw_tsftu) {
-+ if (tsftu > hw_tsftu + 2 * intval)
-+ nexttbtt = roundup(hw_tsftu + FUDGE, intval);
-+ else
-+ nexttbtt = tsftu;
-+ } else {
-+ /* Normal case: we received a beacon to which
-+ * we have synchronized. Make sure that nexttbtt
-+ * is at least FUDGE TU ahead of hw_tsf */
-+ nexttbtt = tsftu + roundup(hw_tsftu + FUDGE -
-+ tsftu, intval);
- }
- }
-
-@@ -5730,9 +5700,6 @@ ath_beacon_config(struct ath_softc *sc,
- ath_beacon_dturbo_config(vap, intval &
- ~(HAL_BEACON_RESET_TSF | HAL_BEACON_ENA));
- #endif
-- if ((nexttbtt & HAL_BEACON_PERIOD) - (ath_hal_gettsf32(ah) >> 10)
-- <= ath_hal_sw_beacon_response_time)
-- nexttbtt += intval;
- sc->sc_nexttbtt = nexttbtt;
-
- /* stop beacons before reconfiguring the timers to avoid race
-@@ -5889,7 +5856,7 @@ ath_desc_alloc(struct ath_softc *sc)
-
- /* XXX allocate beacon state together with VAP */
- error = ath_descdma_setup(sc, &sc->sc_bdma, &sc->sc_bbuf,
-- "beacon", ath_maxvaps, 1);
-+ "beacon", ATH_MAXVAPS_BCN, 1);
- if (error != 0) {
- ath_descdma_cleanup(sc, &sc->sc_txdma, &sc->sc_txbuf,
- BUS_DMA_TODEVICE);
-@@ -6680,7 +6647,7 @@ ath_recv_mgmt(struct ieee80211vap * vap,
- /* Resync beacon timers using the tsf of the
- * beacon frame we just received. */
- vap->iv_flags_ext &= ~IEEE80211_FEXT_APPIE_UPDATE;
-- ath_beacon_config(sc, vap);
-+ ath_beacon_config(sc, vap, 0);
- DPRINTF(sc, ATH_DEBUG_BEACON,
- "Updated beacon timers\n");
- }
-@@ -9359,7 +9326,7 @@ ath_chan_set(struct ath_softc *sc, struc
- * HW seems to turn off beacons during turbo mode switch.
- */
- if (sc->sc_beacons && !sc->sc_dfs_cac)
-- ath_beacon_config(sc, NULL);
-+ ath_beacon_config(sc, NULL, 0);
- /*
- * Re-enable interrupts.
- */
-@@ -9813,7 +9780,7 @@ ath_newstate(struct ieee80211vap *vap, e
- ATH_DEBUG_BEACON_PROC,
- "Beacons reconfigured by %p[%s]!\n",
- vap, vap->iv_nickname);
-- ath_beacon_config(sc, vap);
-+ ath_beacon_config(sc, vap, 1);
- sc->sc_beacons = 1;
- }
- } else {
-@@ -9948,9 +9915,6 @@ ath_dfs_cac_completed(unsigned long data
- }
- netif_wake_queue(dev);
- ath_reset(dev);
-- if (sc->sc_beacons) {
-- ath_beacon_config(sc, NULL);
-- }
- dev->watchdog_timeo = 5 * HZ; /* restore normal timeout */
- } else {
- do_gettimeofday(&tv);
-@@ -11473,9 +11437,6 @@ ATH_SYSCTL_DECL(ath_sysctl_halparam, ctl
- case ATH_OUTDOOR:
- val = ic->ic_country_outdoor;
- break;
-- case ATH_MAXVAPS:
-- val = ath_maxvaps;
-- break;
- case ATH_REGDOMAIN:
- ath_hal_getregdomain(ah, &val);
- break;
-@@ -11606,12 +11567,6 @@ static const ctl_table ath_sysctl_templa
- .extra2 = (void *)ATH_OUTDOOR,
- },
- { .ctl_name = CTL_AUTO,
-- .procname = "maxvaps",
-- .mode = 0444,
-- .proc_handler = ath_sysctl_halparam,
-- .extra2 = (void *)ATH_MAXVAPS,
-- },
-- { .ctl_name = CTL_AUTO,
- .procname = "regdomain",
- .mode = 0644,
- .proc_handler = ath_sysctl_halparam,
-@@ -11928,13 +11883,6 @@ static ctl_table ath_static_sysctls[] =
- },
- #endif
- { .ctl_name = CTL_AUTO,
-- .procname = "maxvaps",
-- .mode = 0444,
-- .data = &ath_maxvaps,
-- .maxlen = sizeof(ath_maxvaps),
-- .proc_handler = proc_dointvec
-- },
-- { .ctl_name = CTL_AUTO,
- .procname = "xchanmode",
- .mode = 0444,
- .data = &ath_xchanmode,
---- a/ath/if_athvar.h
-+++ b/ath/if_athvar.h
-@@ -211,9 +211,7 @@ static inline struct net_device *_alloc_
- #define ATH_RXBUF 40 /* number of RX buffers */
- #define ATH_TXBUF 200 /* number of TX buffers */
-
--#define ATH_MAXVAPS_MIN 2 /* minimum number of beacon buffers */
--#define ATH_MAXVAPS_MAX 64 /* maximum number of beacon buffers */
--#define ATH_MAXVAPS_DEFAULT 4 /* default number of beacon buffers */
-+#define ATH_MAXVAPS_BCN 4 /* maximum number of beacon buffers */
-
- /* free buffer threshold to restart net dev */
- #define ATH_TXBUF_FREE_THRESHOLD (ATH_TXBUF / 20)
projects / openwrt / openwrt.git / blobdiff