diff options
Diffstat (limited to 'package/madwifi/patches/448-beacon_handling_fixes.patch')
-rw-r--r-- | package/madwifi/patches/448-beacon_handling_fixes.patch | 407 |
1 files changed, 0 insertions, 407 deletions
diff --git a/package/madwifi/patches/448-beacon_handling_fixes.patch b/package/madwifi/patches/448-beacon_handling_fixes.patch deleted file mode 100644 index 9c0f912e45..0000000000 --- a/package/madwifi/patches/448-beacon_handling_fixes.patch +++ /dev/null @@ -1,407 +0,0 @@ ---- 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) |