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50 lines
1.9 KiB
Diff
50 lines
1.9 KiB
Diff
Index: madwifi-ng-r2420-20070602/ath/if_ath.c
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===================================================================
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--- madwifi-ng-r2420-20070602.orig/ath/if_ath.c 2007-06-04 13:21:56.713354928 +0200
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+++ madwifi-ng-r2420-20070602/ath/if_ath.c 2007-06-04 13:21:56.911324832 +0200
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@@ -2242,6 +2242,17 @@
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txq->axq_link = &lastds->ds_link;
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ath_hal_txstart(ah, txq->axq_qnum);
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sc->sc_dev->trans_start = jiffies;
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+ if ((sc->sc_opmode == HAL_M_IBSS) || (sc->sc_opmode == HAL_M_HOSTAP)) {
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+ if (sc->sc_tx_start && (ath_hal_numtxpending(ah, txq->axq_qnum) > 2)) {
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+ if (jiffies > sc->sc_tx_start + 2 * HZ) {
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+ printk("%s: Tx queue stuck. Resetting hardware...\n", sc->sc_dev->name);
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+ ath_reset(sc->sc_dev);
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+ sc->sc_tx_start = 0;
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+ }
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+ } else {
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+ sc->sc_tx_start = jiffies;
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+ }
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+ }
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}
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ATH_TXQ_UNLOCK_IRQ(txq);
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@@ -7285,6 +7296,7 @@
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__func__, ds);
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#else
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ds = bf->bf_desc; /* NB: last descriptor */
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+ sc->sc_tx_start = 0;
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#endif
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ts = &bf->bf_dsstatus.ds_txstat;
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status = ath_hal_txprocdesc(ah, ds, ts);
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Index: madwifi-ng-r2420-20070602/ath/if_athvar.h
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===================================================================
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--- madwifi-ng-r2420-20070602.orig/ath/if_athvar.h 2007-06-04 13:21:53.369863216 +0200
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+++ madwifi-ng-r2420-20070602/ath/if_athvar.h 2007-06-04 13:21:56.911324832 +0200
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@@ -686,6 +686,14 @@
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u_int sc_slottimeconf; /* manual override for slottime */
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int16_t sc_channoise; /* Measured noise of current channel (dBm) */
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u_int64_t sc_tsf; /* TSF at last rx interrupt */
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+
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+ /*
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+ * Several MiniPCI cards and most SoC revs frequently cease all transmission
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+ * when operating in IBSS mode. The reason for this is unknown and could potentially
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+ * be a hardware bug. This variable contains the timestamp of the last successful
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+ * transmission and is checked when enqueueing new frames
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+ */
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+ unsigned long sc_tx_start;
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};
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typedef void (*ath_callback) (struct ath_softc *);
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