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madwifi: allow ad-hoc mode with software based TSF merging (hardware merging can screw up the internal timers and cause transmit hangs) - based on a patch by sven-ola. activated by wlanconfig's nosbeacon flag 

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@12883 3c298f89-4303-0410-b956-a3cf2f4a3e73
master
Felix Fietkau 2008-10-07 01:39:38 +00:00
parent 1417291bae
commit c2f49151e9
10 changed files with 123 additions and 18 deletions
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2
package/madwifi/patches/355-eap_auth_disassoc.patch
View File

@ -5,7 +5,7 @@ Signed-off-by: Felix Fietkau <nbd@openwrt.org>
--- a/ath/if_ath.c
+++ b/ath/if_ath.c
@@ -8322,6 +8322,14 @@
@@ -8332,6 +8332,14 @@
#endif
if (ts->ts_status & HAL_TXERR_XRETRY) {
sc->sc_stats.ast_tx_xretries++;

2
package/madwifi/patches/363-fix_turbo.patch
View File

@ -1,6 +1,6 @@
--- a/ath/if_ath.c
+++ b/ath/if_ath.c
@@ -4915,7 +4915,7 @@
@@ -4925,7 +4925,7 @@
* capability info and arrange for a mode change
* if needed.
*/

4
package/madwifi/patches/366-bstuck_thresh.patch
View File

@ -32,7 +32,7 @@
MODULE_PARM_DESC(autocreate, "Create ath device in "
"[sta|ap|wds|adhoc|ahdemo|monitor] mode. defaults to sta, use "
"'none' to disable");
@@ -5062,7 +5066,7 @@
@@ -5072,7 +5076,7 @@
DPRINTF(sc, ATH_DEBUG_BEACON_PROC,
"Missed %u consecutive beacons (n_beacon=%u)\n",
sc->sc_bmisscount, n_beacon);
@ -41,7 +41,7 @@
ATH_SCHEDULE_TQUEUE(&sc->sc_bstucktq, needmark);
return;
}
@@ -5218,7 +5222,7 @@
@@ -5228,7 +5232,7 @@
* check will be true, in which case return
* without resetting the driver.
*/

4
package/madwifi/patches/370-wdsvap.patch
View File

@ -67,7 +67,7 @@
/* override with driver methods */
vap = &avp->av_vap;
avp->av_newstate = vap->iv_newstate;
@@ -4199,8 +4201,7 @@
@@ -4209,8 +4211,7 @@
if (ic->ic_opmode == IEEE80211_M_STA ||
sc->sc_opmode == HAL_M_IBSS || /* NB: AHDEMO too */
(sc->sc_nostabeacons) || sc->sc_scanning ||
@ -77,7 +77,7 @@
rfilt |= HAL_RX_FILTER_BEACON;
if (sc->sc_nmonvaps > 0)
rfilt |= (HAL_RX_FILTER_CONTROL | HAL_RX_FILTER_BEACON |
@@ -9020,8 +9021,6 @@
@@ -9030,8 +9031,6 @@
* set sc->beacons if we might need to restart
* them after ath_reset. */
if (!sc->sc_beacons &&

2
package/madwifi/patches/374-nbtt_fix.patch
View File

@ -1,6 +1,6 @@
--- a/ath/if_ath.c
+++ b/ath/if_ath.c
@@ -5474,6 +5474,9 @@
@@ -5484,6 +5484,9 @@
ath_beacon_dturbo_config(vap, intval &
~(HAL_BEACON_RESET_TSF | HAL_BEACON_ENA));
#endif

14
package/madwifi/patches/375-atim_tsf_update.patch
View File

@ -8,7 +8,7 @@
static int ath_desc_alloc(struct ath_softc *);
static void ath_desc_free(struct ath_softc *);
static void ath_desc_swap(struct ath_desc *);
@@ -2783,6 +2784,72 @@
@@ -2793,6 +2794,72 @@
return 1;
}
@ -81,7 +81,7 @@
/*
* Reset the hardware w/o losing operational state. This is
* basically a more efficient way of doing ath_stop, ath_init,
@@ -5282,6 +5349,7 @@
@@ -5292,6 +5359,7 @@
u_int64_t tsf, hw_tsf;
u_int32_t tsftu, hw_tsftu;
u_int32_t intval, nexttbtt = 0;
@ -89,7 +89,7 @@
int reset_tsf = 0;
if (vap == NULL)
@@ -5289,6 +5357,9 @@
@@ -5299,6 +5367,9 @@
ni = vap->iv_bss;
@ -99,7 +99,7 @@
hw_tsf = ath_hal_gettsf64(ah);
tsf = le64_to_cpu(ni->ni_tstamp.tsf);
hw_tsftu = hw_tsf >> 10;
@@ -5478,15 +5549,27 @@
@@ -5488,15 +5559,27 @@
<= ath_hal_sw_beacon_response_time)
nexttbtt += intval;
sc->sc_nexttbtt = nexttbtt;
@ -115,7 +115,7 @@
sc->sc_bmisscount = 0;
ath_hal_intrset(ah, sc->sc_imask);
+
+ if (ath_hw_check_atim(sc, 1, intval & HAL_BEACON_PERIOD)) {
+ if ((sc->sc_opmode == HAL_M_IBSS) && ath_hw_check_atim(sc, 1, intval & HAL_BEACON_PERIOD)) {
+ DPRINTF(sc, ATH_DEBUG_BEACON,
+ "fixed atim window after beacon init\n");
+ }
@ -127,11 +127,11 @@
/* We print all debug messages here, in order to preserve the
* time critical aspect of this function */
DPRINTF(sc, ATH_DEBUG_BEACON,
@@ -6389,6 +6472,11 @@
@@ -6399,6 +6482,11 @@
DPRINTF(sc, ATH_DEBUG_BEACON,
"Updated beacon timers\n");
}
+ if ((sc->sc_opmode == IEEE80211_M_IBSS) &&
+ if ((sc->sc_opmode == HAL_M_IBSS) &&
+ IEEE80211_ADDR_EQ(ni->ni_bssid, vap->iv_bss->ni_bssid) &&
+ ath_hw_check_atim(sc, 1, vap->iv_bss->ni_intval)) {
+ DPRINTF(sc, ATH_DEBUG_ANY, "Fixed ATIM window after beacon recv\n");

105
package/madwifi/patches/383-ibss_hostap.patch Normal file
View File

@ -0,0 +1,105 @@
--- a/ath/if_ath.c
+++ b/ath/if_ath.c
@@ -1452,6 +1452,23 @@
sc->sc_nstavaps++;
else if (opmode == IEEE80211_M_MONITOR)
sc->sc_nmonvaps++;
+
+
+ /* Driving the HAL in IBSS sometimes adapts the TSF and other timing registers
+ * from received beacons/probes. If that happens, expected TX interrupts may
+ * not occur until next reset. Which triggers the "lost beacon" tasklet.
+ * Resulting effectively in not sending packets for minutes. Because that only
+ * happens in large mesh networks, this mode needs to be activated by a kernel
+ * module parameter: hostap_for_ibss=1. Note that using this mode has side
+ * effects. Such as not supressing beacons/probe answers randomly when
+ * receiving other node beacons. It's recommended to lower the beacon interval
+ * then. When using an IBSS-VAP together with an HOSTAP-VAP, you may also need
+ * to re-trigger IBSS beacon generation after creating the HOSTAP-VAP by
+ * issueing "iwpriv athX bintval 1000".
+ */
+ if ((flags & IEEE80211_NO_STABEACONS) && (ic->ic_opmode == IEEE80211_M_IBSS))
+ sc->sc_opmode = HAL_M_HOSTAP;
+ else
/*
* Adhoc demo mode is a pseudo mode; to the HAL it's
* just IBSS mode and the driver doesn't use management
@@ -4279,7 +4296,8 @@
if (ic->ic_opmode != IEEE80211_M_HOSTAP && (dev->flags & IFF_PROMISC))
rfilt |= HAL_RX_FILTER_PROM;
if (ic->ic_opmode == IEEE80211_M_STA ||
- sc->sc_opmode == HAL_M_IBSS || /* NB: AHDEMO too */
+ ic->ic_opmode == IEEE80211_M_IBSS ||
+ ic->ic_opmode == IEEE80211_M_AHDEMO ||
(sc->sc_nostabeacons) || sc->sc_scanning ||
(ic->ic_opmode == IEEE80211_M_HOSTAP))
rfilt |= HAL_RX_FILTER_BEACON;
@@ -6433,6 +6451,33 @@
}
/*
+ * Advances (forwards/adds) a microsecond value to current chip's TSF registers
+ */
+
+/* from ath_info.c */
+#define AR5K_TSF_L32_5210 0x806c /* TSF (lower 32 bits) */
+#define AR5K_TSF_L32_5211 0x804c
+#define AR5K_TSF_L32 (ar_device(ah->ah_sc->devid) == 5210 ? \
+ AR5K_TSF_L32_5210 : AR5K_TSF_L32_5211)
+
+#define AR5K_TSF_U32_5210 0x8070
+#define AR5K_TSF_U32_5211 0x8050
+#define AR5K_TSF_U32 (ar_device(ah->ah_sc->devid) == 5210 ? \
+ AR5K_TSF_U32_5210 : AR5K_TSF_U32_5211)
+
+static inline void ath_hal_settsf64(struct ath_hal *ah, u_int64_t tsf_adv)
+{
+ ATH_HAL_LOCK_IRQ(ah->ah_sc);
+ ath_hal_set_function(__func__);
+ tsf_adv += ah->ah_getTsf64(ah);
+ OS_REG_WRITE(ah, AR5K_TSF_L32, 0ll);
+ OS_REG_WRITE(ah, AR5K_TSF_U32, (tsf_adv >> 32) & 0xffffffffll);
+ OS_REG_WRITE(ah, AR5K_TSF_L32, (tsf_adv >> 00) & 0xffffffffll);
+ ath_hal_set_function(NULL);
+ ATH_HAL_UNLOCK_IRQ(ah->ah_sc);
+}
+
+/*
* Intercept management frames to collect beacon RSSI data and to do
* ibss merges. This function is called for all management frames,
* including those belonging to other BSS.
@@ -6485,10 +6530,19 @@
DPRINTF(sc, ATH_DEBUG_BEACON,
"Updated beacon timers\n");
}
- if ((sc->sc_opmode == HAL_M_IBSS) &&
- IEEE80211_ADDR_EQ(ni->ni_bssid, vap->iv_bss->ni_bssid) &&
- ath_hw_check_atim(sc, 1, vap->iv_bss->ni_intval)) {
- DPRINTF(sc, ATH_DEBUG_ANY, "Fixed ATIM window after beacon recv\n");
+ if ((vap->iv_opmode == IEEE80211_M_IBSS) &&
+ (sc->sc_opmode == HAL_M_HOSTAP) &&
+ IEEE80211_ADDR_EQ(ni->ni_bssid, vap->iv_bss->ni_bssid)) {
+ /* In this mode, we drive the HAL in HOSTAP mode. Hence
+ * we do the IBSS merging in software. Also do not merge
+ * if the difference it too small. Otherwise we are playing
+ * tsf-pingpong with other vendors drivers */
+ beacon_tsf = le64_to_cpu(ni->ni_tstamp.tsf);
+ if (beacon_tsf > rtsf + 0xffff) {
+ ath_hal_settsf64(sc->sc_ah, beacon_tsf - rtsf);
+ ieee80211_ibss_merge(ni);
+ }
+ break;
}
/* NB: Fall Through */
case IEEE80211_FC0_SUBTYPE_PROBE_RESP:
@@ -6561,6 +6615,10 @@
#endif
if (do_merge)
ieee80211_ibss_merge(ni);
+
+ if ((sc->sc_opmode == HAL_M_IBSS) &&
+ ath_hw_check_atim(sc, 1, vap->iv_bss->ni_intval))
+ DPRINTF(sc, ATH_DEBUG_ANY, "Fixed ATIM window after beacon recv\n");
}
break;
}

4
package/madwifi/patches/406-monitor_r3711.patch
View File

@ -1,6 +1,6 @@
--- a/ath/if_ath.c
+++ b/ath/if_ath.c
@@ -6409,7 +6409,7 @@
@@ -6440,7 +6440,7 @@
/* Never copy the SKB, as it is ours on the RX side, and this is the
* last process on the TX side and we only modify our own headers. */
@ -9,7 +9,7 @@
if (tskb == NULL) {
DPRINTF(sc, ATH_DEBUG_ANY,
"Dropping; ath_skb_removepad failed!\n");
@@ -6417,6 +6417,8 @@
@@ -6448,6 +6448,8 @@
}
ieee80211_input_monitor(ic, tskb, bf, tx, tsf, sc);

2
package/madwifi/patches/408-changeset_r3337.patch
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@ -10,7 +10,7 @@
Please let us know if you think your name should be mentioned here!
--- a/ath/if_ath.c
+++ b/ath/if_ath.c
@@ -3029,7 +3029,7 @@
@@ -3059,7 +3059,7 @@
struct ath_softc *sc = dev->priv;
struct ath_hal *ah = sc->sc_ah;
struct ieee80211_phy_params *ph = (struct ieee80211_phy_params *)

2
package/madwifi/patches/450-new_hal.patch
View File

@ -108,7 +108,7 @@
/*
* Check if the MAC has multi-rate retry support.
* We do this by trying to setup a fake extended
@@ -7382,7 +7390,7 @@
@@ -7453,7 +7461,7 @@
if (qtype == HAL_TX_QUEUE_UAPSD)
qi.tqi_qflags = HAL_TXQ_TXDESCINT_ENABLE;
else