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authorFelix Fietkau <nbd@openwrt.org>2008-10-03 15:17:34 +0000
committerFelix Fietkau <nbd@openwrt.org>2008-10-03 15:17:34 +0000
commit187b76991db178fcb6361c58636268e1614b2a9c (patch)
tree779789c568e71b4bf9d53997d2241fccc98c0bc5 /package/madwifi/patches/300-napi_polling.patch
parentcdcc68d689a5322bb3f5250122a806dcf2085b5f (diff)
downloadupstream-187b76991db178fcb6361c58636268e1614b2a9c.tar.gz
upstream-187b76991db178fcb6361c58636268e1614b2a9c.tar.bz2
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madwifi patch cleanup and stability fixes - fix a semi-random heisenbug by replacing the previous noderef fix with a simple hack that is not 100% correct, but safe. - add ad-hoc atim fixes by bruno - add napi polling fixes by sven-ola - fix compile breakage with debug enabled
SVN-Revision: 12838
Diffstat (limited to 'package/madwifi/patches/300-napi_polling.patch')
-rw-r--r--package/madwifi/patches/300-napi_polling.patch44
1 files changed, 19 insertions, 25 deletions
diff --git a/package/madwifi/patches/300-napi_polling.patch b/package/madwifi/patches/300-napi_polling.patch
index fae35b54be..a3a7c834a4 100644
--- a/package/madwifi/patches/300-napi_polling.patch
+++ b/package/madwifi/patches/300-napi_polling.patch
@@ -52,7 +52,7 @@
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);
@@ -64,10 +64,8 @@
+ 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
@@ -77,7 +75,7 @@
}
if (status & HAL_INT_TX) {
#ifdef ATH_SUPERG_DYNTURBO
-@@ -2303,6 +2332,11 @@
+@@ -2303,6 +2330,11 @@
}
}
#endif
@@ -89,7 +87,7 @@
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
@@ -97,7 +95,7 @@
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
@@ -107,7 +105,7 @@
netif_stop_queue(dev); /* XXX re-enabled by ath_newstate */
dev->flags &= ~IFF_RUNNING; /* NB: avoid recursion */
ieee80211_stop_running(ic); /* stop all VAPs */
-@@ -4013,12 +4051,47 @@
+@@ -4013,12 +4049,47 @@
return ath_keyset(sc, k, mac, vap->iv_bss);
}
@@ -155,7 +153,7 @@
static void
ath_key_update_begin(struct ieee80211vap *vap)
{
-@@ -4032,14 +4105,9 @@
+@@ -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.
@@ -172,7 +170,7 @@
}
static void
-@@ -4051,9 +4119,9 @@
+@@ -4051,9 +4117,9 @@
#endif
DPRINTF(sc, ATH_DEBUG_KEYCACHE, "End\n");
@@ -185,7 +183,7 @@
}
/*
-@@ -6360,15 +6428,25 @@
+@@ -6360,15 +6426,25 @@
sc->sc_rxotherant = 0;
}
@@ -215,7 +213,7 @@
struct ieee80211com *ic = &sc->sc_ic;
struct ath_hal *ah = sc ? sc->sc_ah : NULL;
struct ath_desc *ds;
-@@ -6378,8 +6456,10 @@
+@@ -6378,8 +6454,10 @@
unsigned int len;
int type;
u_int phyerr;
@@ -226,7 +224,7 @@
do {
bf = STAILQ_FIRST(&sc->sc_rxbuf);
if (bf == NULL) { /* XXX ??? can this happen */
-@@ -6403,6 +6483,15 @@
+@@ -6403,6 +6481,15 @@
/* NB: never process the self-linked entry at the end */
break;
}
@@ -242,7 +240,7 @@
skb = bf->bf_skb;
if (skb == NULL) {
EPRINTF(sc, "Dropping; buffer contains NULL skbuff.\n");
-@@ -6450,6 +6539,7 @@
+@@ -6450,6 +6537,7 @@
sc->sc_stats.ast_rx_phyerr++;
phyerr = rs->rs_phyerr & 0x1f;
sc->sc_stats.ast_rx_phy[phyerr]++;
@@ -250,7 +248,7 @@
}
if (rs->rs_status & HAL_RXERR_DECRYPT) {
/*
-@@ -6645,9 +6735,43 @@
+@@ -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);
@@ -259,7 +257,6 @@
+ /* 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);
@@ -268,12 +265,7 @@
+ 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)
@@ -283,6 +275,8 @@
+ *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);
@@ -294,7 +288,7 @@
#undef PA2DESC
}
-@@ -8298,12 +8422,24 @@
+@@ -8298,12 +8416,24 @@
{
struct net_device *dev = (struct net_device *)data;
struct ath_softc *sc = dev->priv;
@@ -319,7 +313,7 @@
netif_wake_queue(dev);
if (sc->sc_softled)
-@@ -8319,7 +8455,9 @@
+@@ -8319,7 +8449,9 @@
{
struct net_device *dev = (struct net_device *)data;
struct ath_softc *sc = dev->priv;
@@ -329,7 +323,7 @@
/*
* Process each active queue.
*/
-@@ -8340,6 +8478,16 @@
+@@ -8340,6 +8472,16 @@
if (sc->sc_uapsdq && txqactive(sc->sc_ah, sc->sc_uapsdq->axq_qnum))
ath_tx_processq(sc, sc->sc_uapsdq);
@@ -346,7 +340,7 @@
netif_wake_queue(dev);
if (sc->sc_softled)
-@@ -8355,13 +8503,25 @@
+@@ -8355,13 +8497,25 @@
struct net_device *dev = (struct net_device *)data;
struct ath_softc *sc = dev->priv;
unsigned int i;
@@ -372,7 +366,7 @@
netif_wake_queue(dev);
if (sc->sc_softled)
-@@ -10296,9 +10456,9 @@
+@@ -10296,9 +10450,9 @@
dev->mtu = mtu;
if ((dev->flags & IFF_RUNNING) && !sc->sc_invalid) {
/* NB: the rx buffers may need to be reallocated */