status &= sc->sc_imask; /* discard unasked for bits */
/* As soon as we know we have a real interrupt we intend to service,
* we will check to see if we need an initial hardware TSF reading.
-@@ -2277,7 +2290,23 @@
+@@ -2277,7 +2290,21 @@
}
if (status & (HAL_INT_RX | HAL_INT_RXPHY)) {
ath_uapsd_processtriggers(sc, hw_tsf);
+ if (netif_rx_schedule_prep(dev))
+#endif
+ {
-+#ifndef ATH_PRECISE_TSF
+ sc->sc_imask &= ~HAL_INT_RX;
+ ath_hal_intrset(ah, sc->sc_imask);
-+#endif
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24)
+ __netif_rx_schedule(dev, &sc->sc_napi);
+#else
}
if (status & HAL_INT_TX) {
#ifdef ATH_SUPERG_DYNTURBO
-@@ -2303,6 +2332,11 @@
+@@ -2303,6 +2330,11 @@
}
}
#endif
ATH_SCHEDULE_TQUEUE(&sc->sc_txtq, &needmark);
}
if (status & HAL_INT_BMISS) {
-@@ -2515,6 +2549,7 @@
+@@ -2515,6 +2547,7 @@
if (sc->sc_tx99 != NULL)
sc->sc_tx99->start(sc->sc_tx99);
#endif
done:
ATH_UNLOCK(sc);
-@@ -2555,6 +2590,9 @@
+@@ -2555,6 +2588,9 @@
if (sc->sc_tx99 != NULL)
sc->sc_tx99->stop(sc->sc_tx99);
#endif
netif_stop_queue(dev); /* XXX re-enabled by ath_newstate */
dev->flags &= ~IFF_RUNNING; /* NB: avoid recursion */
ieee80211_stop_running(ic); /* stop all VAPs */
-@@ -4013,6 +4051,39 @@
+@@ -4013,12 +4049,47 @@
return ath_keyset(sc, k, mac, vap->iv_bss);
}
/*
* Block/unblock tx+rx processing while a key change is done.
* We assume the caller serializes key management operations
-@@ -4032,13 +4103,7 @@
+ * so we only need to worry about synchronization with other
+ * uses that originate in the driver.
+ */
++#define IS_UP(_dev) \
++ (((_dev)->flags & (IFF_RUNNING|IFF_UP)) == (IFF_RUNNING|IFF_UP))
+ static void
+ ath_key_update_begin(struct ieee80211vap *vap)
+ {
+@@ -4032,14 +4103,9 @@
* When called from the rx tasklet we cannot use
* tasklet_disable because it will block waiting
* for us to complete execution.
*/
- if (!in_softirq())
- tasklet_disable(&sc->sc_rxtq);
- netif_stop_queue(dev);
+- netif_stop_queue(dev);
++ if (IS_UP(vap->iv_dev))
++ netif_stop_queue(dev);
}
-@@ -4051,9 +4116,9 @@
+ static void
+@@ -4051,9 +4117,9 @@
#endif
DPRINTF(sc, ATH_DEBUG_KEYCACHE, "End\n");
- if (!in_softirq()) /* NB: see above */
- tasklet_enable(&sc->sc_rxtq);
+
-+ if (dev->flags&IFF_RUNNING)
++ if (IS_UP(vap->iv_dev))
+ netif_wake_queue(dev);
}
/*
-@@ -6360,15 +6425,25 @@
+@@ -6360,15 +6426,25 @@
sc->sc_rxotherant = 0;
}
struct ieee80211com *ic = &sc->sc_ic;
struct ath_hal *ah = sc ? sc->sc_ah : NULL;
struct ath_desc *ds;
-@@ -6378,8 +6453,10 @@
+@@ -6378,8 +6454,10 @@
unsigned int len;
int type;
u_int phyerr;
do {
bf = STAILQ_FIRST(&sc->sc_rxbuf);
if (bf == NULL) { /* XXX ??? can this happen */
-@@ -6403,6 +6480,15 @@
+@@ -6403,6 +6481,15 @@
/* NB: never process the self-linked entry at the end */
break;
}
+
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24)
-+ processed++;
-+#endif
-+ if (rx_limit-- < 0) {
++ if (rx_limit-- < 2) {
+ early_stop = 1;
+ break;
+ }
++#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24)
++ processed++;
++#endif
+
skb = bf->bf_skb;
if (skb == NULL) {
EPRINTF(sc, "Dropping; buffer contains NULL skbuff.\n");
-@@ -6450,6 +6536,7 @@
+@@ -6450,6 +6537,7 @@
sc->sc_stats.ast_rx_phyerr++;
phyerr = rs->rs_phyerr & 0x1f;
sc->sc_stats.ast_rx_phy[phyerr]++;
}
if (rs->rs_status & HAL_RXERR_DECRYPT) {
/*
-@@ -6645,9 +6732,43 @@
+@@ -6645,9 +6733,39 @@
STAILQ_INSERT_TAIL(&sc->sc_rxbuf, bf, bf_list);
ATH_RXBUF_UNLOCK_IRQ(sc);
} while (ath_rxbuf_init(sc, bf) == 0);
+ /* Check if more data is received while we were
+ * processing the descriptor chain.
+ */
-+#ifndef ATH_PRECISE_TSF
+ local_irq_save(flags);
+ if (sc->sc_isr & HAL_INT_RX) {
+ u_int64_t hw_tsf = ath_hal_gettsf64(ah);
+ ath_uapsd_processtriggers(sc, hw_tsf);
+ goto process_rx_again;
+ }
-+#endif
-+#ifndef ATH_PRECISE_TSF
-+ sc->sc_imask |= HAL_INT_RX;
-+ ath_hal_intrset(ah, sc->sc_imask);
+ local_irq_restore(flags);
-+#endif
+ }
+
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24)
+ *budget -= processed;
+ dev->quota -= processed;
+#endif
++ sc->sc_imask |= HAL_INT_RX;
++ ath_hal_intrset(ah, sc->sc_imask);
/* rx signal state monitoring */
ath_hal_rxmonitor(ah, &sc->sc_halstats, &sc->sc_curchan);
#undef PA2DESC
}
-@@ -8298,12 +8419,24 @@
+@@ -8298,12 +8416,24 @@
{
struct net_device *dev = (struct net_device *)data;
struct ath_softc *sc = dev->priv;
netif_wake_queue(dev);
if (sc->sc_softled)
-@@ -8319,7 +8452,9 @@
+@@ -8319,7 +8449,9 @@
{
struct net_device *dev = (struct net_device *)data;
struct ath_softc *sc = dev->priv;
/*
* Process each active queue.
*/
-@@ -8340,6 +8475,16 @@
+@@ -8340,6 +8472,16 @@
if (sc->sc_uapsdq && txqactive(sc->sc_ah, sc->sc_uapsdq->axq_qnum))
ath_tx_processq(sc, sc->sc_uapsdq);
netif_wake_queue(dev);
if (sc->sc_softled)
-@@ -8355,13 +8500,25 @@
+@@ -8355,13 +8497,25 @@
struct net_device *dev = (struct net_device *)data;
struct ath_softc *sc = dev->priv;
unsigned int i;
netif_wake_queue(dev);
if (sc->sc_softled)
-@@ -10296,9 +10453,9 @@
+@@ -10296,9 +10450,9 @@
dev->mtu = mtu;
if ((dev->flags & IFF_RUNNING) && !sc->sc_invalid) {
/* NB: the rx buffers may need to be reallocated */
projects / openwrt.git / blobdiff