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make txstop workaround safe with napi polling

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SVN-Revision: 7258
This commit is contained in:
Felix Fietkau 2007-05-16 13:44:06 +00:00
parent 63300d3d91
commit 8693233b73
1 changed files with 28 additions and 9 deletions
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37
package/madwifi/patches/118-txstop_workaround.patch
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@ -1,6 +1,6 @@
diff -urN madwifi-ng-refcount-r2313-20070505.old/ath/if_ath.c madwifi-ng-refcount-r2313-20070505.dev/ath/if_ath.c
--- madwifi-ng-refcount-r2313-20070505.old/ath/if_ath.c 2007-05-13 18:17:56.196025944 +0200
+++ madwifi-ng-refcount-r2313-20070505.dev/ath/if_ath.c 2007-05-13 18:17:56.284012568 +0200
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
@ -9,27 +9,46 @@ diff -urN madwifi-ng-refcount-r2313-20070505.old/ath/if_ath.c madwifi-ng-refcoun
}
if (status & HAL_INT_BMISS) {
sc->sc_stats.ast_bmiss++;
@@ -2264,6 +2265,17 @@
@@ -2261,6 +2262,25 @@
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)) {
+ if (sc->sc_tx_start) {
+ if (jiffies > sc->sc_tx_start + 2 * HZ) {
+ unsigned long last;
+ ATH_LOCK(sc);
+ last = sc->sc_tx_start;
+ ATH_UNLOCK(sc);
+ if (last) {
+ if (jiffies > last + 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);
diff -urN madwifi-ng-refcount-r2313-20070505.old/ath/if_athvar.h madwifi-ng-refcount-r2313-20070505.dev/ath/if_athvar.h
--- madwifi-ng-refcount-r2313-20070505.old/ath/if_athvar.h 2007-05-04 23:09:29.000000000 +0200
+++ madwifi-ng-refcount-r2313-20070505.dev/ath/if_athvar.h 2007-05-13 18:17:56.285012416 +0200
@@ -7289,6 +7309,10 @@
break;
}
+ ATH_LOCK(sc);
+ 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
u_int sc_slottimeconf; /* manual override for slottime */