-diff -ur madwifi.old/ath/if_ath.c madwifi.dev/ath/if_ath.c
---- madwifi.old/ath/if_ath.c 2007-05-15 16:26:02.721036296 +0200
-+++ madwifi.dev/ath/if_ath.c 2007-05-16 15:43:23.095362056 +0200
-@@ -1711,6 +1711,7 @@
- }
- #endif
- ATH_SCHEDULE_TQUEUE(&sc->sc_txtq, &needmark);
-+ sc->sc_tx_start = 0;
- }
- if (status & HAL_INT_BMISS) {
- sc->sc_stats.ast_bmiss++;
-@@ -2261,6 +2262,25 @@
+diff -urN madwifi-ng-r2377-20070526.old/ath/if_ath.c madwifi-ng-r2377-20070526.dev/ath/if_ath.c
+--- madwifi-ng-r2377-20070526.old/ath/if_ath.c 2007-05-26 18:51:08.924730776 +0200
++++ madwifi-ng-r2377-20070526.dev/ath/if_ath.c 2007-05-26 18:51:08.933729408 +0200
+@@ -2220,6 +2220,17 @@
txq->axq_link = &lastds->ds_link;
ath_hal_txstart(ah, txq->axq_qnum);
sc->sc_dev->trans_start = jiffies;
+ if ((sc->sc_opmode == HAL_M_IBSS) || (sc->sc_opmode == HAL_M_HOSTAP)) {
-+ unsigned long last;
-+ ATH_LOCK(sc);
-+ last = sc->sc_tx_start;
-+ ATH_UNLOCK(sc);
-+ if (last) {
-+ if (jiffies > last + 2 * HZ) {
++ if (sc->sc_tx_start && (ath_hal_numtxpending(ah, txq->axq_qnum) > 2)) {
++ if (jiffies > sc->sc_tx_start + 2 * HZ) {
+ printk("%s: Tx queue stuck. Resetting hardware...\n", sc->sc_dev->name);
+ ath_reset(sc->sc_dev);
-+ ATH_LOCK(sc);
+ sc->sc_tx_start = 0;
-+ ATH_UNLOCK(sc);
+ }
+ } else {
-+ ATH_LOCK(sc);
+ sc->sc_tx_start = jiffies;
-+ ATH_UNLOCK(sc);
+ }
+ }
}
ATH_TXQ_UNLOCK(txq);
-@@ -7289,6 +7309,10 @@
- break;
- }
-
-+ ATH_LOCK(sc);
+@@ -7262,6 +7273,7 @@
+ __func__, ds);
+ #else
+ ds = bf->bf_desc; /* NB: last descriptor */
+ sc->sc_tx_start = 0;
-+ ATH_UNLOCK(sc);
-+
- #ifdef ATH_SUPERG_FF
- ds = &bf->bf_desc[bf->bf_numdescff];
- DPRINTF(sc, ATH_DEBUG_TX_PROC, "%s: frame's last desc: %p\n",
-diff -ur madwifi.old/ath/if_athvar.h madwifi.dev/ath/if_athvar.h
---- madwifi.old/ath/if_athvar.h 2007-05-04 23:09:29.000000000 +0200
-+++ madwifi.dev/ath/if_athvar.h 2007-05-15 16:26:28.911054808 +0200
-@@ -689,6 +689,14 @@
#endif
+ ts = &bf->bf_dsstatus.ds_txstat;
+ status = ath_hal_txprocdesc(ah, ds, ts);
+diff -urN madwifi-ng-r2377-20070526.old/ath/if_athvar.h madwifi-ng-r2377-20070526.dev/ath/if_athvar.h
+--- madwifi-ng-r2377-20070526.old/ath/if_athvar.h 2007-05-25 04:38:02.000000000 +0200
++++ madwifi-ng-r2377-20070526.dev/ath/if_athvar.h 2007-05-26 18:51:08.933729408 +0200
+@@ -685,6 +685,14 @@
u_int sc_slottimeconf; /* manual override for slottime */
int16_t sc_channoise; /* Measured noise of current channel (dBm) */
+ u_int64_t sc_tsf; /* TSF at last rx interrupt */
+
+ /*
+ * Several MiniPCI cards and most SoC revs frequently cease all transmission