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diff -urN madwifi-ng-refcount-r2313-20070505.old/ath/if_ath_ahb.c madwifi-ng-refcount-r2313-20070505.dev/ath/if_ath_ahb.c
--- madwifi-ng-refcount-r2313-20070505.old/ath/if_ath_ahb.c 2007-03-08 20:59:06.000000000 +0100
+++ madwifi-ng-refcount-r2313-20070505.dev/ath/if_ath_ahb.c 2007-05-13 18:17:56.367999800 +0200
@@ -274,12 +274,12 @@
}
+
static int
-exit_ath_wmac(u_int16_t wlanNum)
+exit_ath_wmac(u_int16_t wlanNum, struct ar531x_config *config)
{
struct ath_ahb_softc *sc = sclist[wlanNum];
struct net_device *dev;
- const char *sysType;
u_int16_t devid;
if (sc == NULL)
@@ -289,13 +289,17 @@
ath_detach(dev);
if (dev->irq)
free_irq(dev->irq, dev);
- sysType = get_system_type();
- if (!strcmp(sysType, "Atheros AR5315"))
+
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,19)
+ devid = (u32) config->tag;
+#else
+ if (!strcmp(get_system_type(), "Atheros AR5315"))
devid = (u_int16_t) (sysRegRead(AR5315_SREV) &
(AR5315_REV_MAJ_M | AR5315_REV_MIN_M));
else
devid = (u_int16_t) ((sysRegRead(AR531X_REV) >> 8) &
(AR531X_REV_MAJ | AR531X_REV_MIN));
+#endif
ahb_disable_wmac(devid, wlanNum);
free_netdev(dev);
@@ -401,7 +405,7 @@
static int ahb_wmac_remove(struct platform_device *pdev)
{
- exit_ath_wmac(pdev->id);
+ exit_ath_wmac(pdev->id, (struct ar531x_config *) pdev->dev.platform_data);
return 0;
}
@@ -439,7 +443,7 @@
(AR5315_REV_MAJ_M | AR5315_REV_MIN_M));
if (((devid & AR5315_REV_MAJ_M) == AR5315_REV_MAJ) ||
((devid & AR5315_REV_MAJ_M) == AR5317_REV_MAJ))
- return init_ath_wmac(devid, 0, &config);
+ return init_ath_wmac(devid, 0);
}
devid = (u_int16_t) ((sysRegRead(AR531X_REV) >>8) &
@@ -452,11 +456,11 @@
ar5312BspEepromRead(2 * AR531X_RADIO_MASK_OFF, 2,
(char *) &radioMask);
if ((radioMask & AR531X_RADIO0_MASK) != 0)
- if ((ret = init_ath_wmac(devid, 0, &config)) !=0 )
+ if ((ret = init_ath_wmac(devid, 0)) !=0 )
return ret;
/* XXX: Fall through?! */
case AR5212_AR2313_REV8:
- if ((ret = init_ath_wmac(devid, 1, &config)) != 0)
+ if ((ret = init_ath_wmac(devid, 1)) != 0)
return ret;
break;
default:
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 18:17:56.362000712 +0200
+++ madwifi-ng-refcount-r2313-20070505.dev/ath/if_ath.c 2007-05-13 18:17:56.371999192 +0200
@@ -2490,6 +2490,7 @@
DPRINTF(sc,ATH_DEBUG_XMIT, \
"%s: discard, no xmit buf\n", __func__); \
sc->sc_stats.ast_tx_nobuf++; \
+ goto hardstart_fail; \
}
/*
@@ -2676,14 +2677,13 @@
else if (an->an_tx_ffbuf[skb->priority]) {
DPRINTF(sc, ATH_DEBUG_XMIT | ATH_DEBUG_FF,
"%s: Out-Of-Order fast-frame\n", __func__);
- ATH_TXQ_UNLOCK(txq);
+ ATH_TXQ_UNLOCK_BH(txq);
} else
- ATH_TXQ_UNLOCK(txq);
+ ATH_TXQ_UNLOCK_BH(txq);
ff_flushdone:
ATH_HARDSTART_GET_TX_BUF_WITH_LOCK;
- if (bf == NULL)
- goto hardstart_fail;
+ ATH_HARDSTART_REL_TX_BUF_WITH_TXQLOCK_OFF;
}
ff_bypass:
@@ -5668,6 +5668,7 @@
sc->sc_stats.ast_rx_phyerr++;
phyerr = ds->ds_rxstat.rs_phyerr & 0x1f;
sc->sc_stats.ast_rx_phy[phyerr]++;
+ goto rx_next;
}
if (ds->ds_rxstat.rs_status & HAL_RXERR_DECRYPT) {
/*
@@ -7662,6 +7663,7 @@
ath_draintxq(struct ath_softc *sc)
{
struct ath_hal *ah = sc->sc_ah;
+ int npend = 0;
unsigned int i;
/* XXX return value */
@@ -7670,9 +7672,24 @@
DPRINTF(sc, ATH_DEBUG_RESET, "%s: beacon queue 0x%x\n",
__func__, ath_hal_gettxbuf(ah, sc->sc_bhalq));
for (i = 0; i < HAL_NUM_TX_QUEUES; i++)
- if (ATH_TXQ_SETUP(sc, i))
+ if (ATH_TXQ_SETUP(sc, i)) {
ath_tx_stopdma(sc, &sc->sc_txq[i]);
+
+ /* The TxDMA may not really be stopped.
+ * Double check the hal tx pending count */
+ npend += ath_hal_numtxpending(ah, sc->sc_txq[i].axq_qnum);
+ }
+ }
+
+ if (npend) {
+ HAL_STATUS status;
+
+ /* TxDMA not stopped, reset the hal */
+ DPRINTF(sc, ATH_DEBUG_RESET, "%s: Unable to stop TxDMA. Reset HAL!\n", __func__);
+ if (!ath_hal_reset(ah, sc->sc_ic.ic_opmode, &sc->sc_curchan, AH_TRUE, &status))
+ printk("%s: unable to reset hardware; hal status %u\n", __func__, status);
}
+
sc->sc_dev->trans_start = jiffies;
netif_start_queue(sc->sc_dev); /* XXX move to callers */
for (i = 0; i < HAL_NUM_TX_QUEUES; i++)
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