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madwifi: fix division by zero

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@13521 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
nbd 2008-12-04 21:57:17 +00:00
parent 87aacb3b5b
commit b1b942f3c3
4 changed files with 10 additions and 7 deletions
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9
package/madwifi/patches/389-autochannel.patch
View File

@ -16,7 +16,7 @@
sc->sc_curchan.channel = ic->ic_curchan->ic_freq;
sc->sc_curchan.channelFlags = ath_chan2flags(ic->ic_curchan);
if (!ath_hal_reset(ah, sc->sc_opmode, &sc->sc_curchan, AH_FALSE, &status)) {
@@ -2913,6 +2915,37 @@ ath_hw_check_atim(struct ath_softc *sc,
@@ -2913,6 +2915,40 @@ ath_hw_check_atim(struct ath_softc *sc,
}
@ -38,6 +38,9 @@
+
+ rx = OS_REG_READ(ah, AR5K_RXCLEAR);
+ cc = OS_REG_READ(ah, AR5K_CYCLES);
+ if (!cc)
+ return;
+
+ if (rx > cc)
+ return; /* wraparound */
+
@ -54,7 +57,7 @@
/*
* Reset the hardware w/o losing operational state. This is
* basically a more efficient way of doing ath_stop, ath_init,
@@ -2939,6 +2972,7 @@ ath_reset(struct net_device *dev)
@@ -2939,6 +2975,7 @@ ath_reset(struct net_device *dev)
* Convert to a HAL channel description with the flags
* constrained to reflect the current operating mode.
*/
@ -62,7 +65,7 @@
c = ic->ic_curchan;
sc->sc_curchan.channel = c->ic_freq;
sc->sc_curchan.channelFlags = ath_chan2flags(c);
@@ -9019,6 +9053,7 @@ ath_chan_set(struct ath_softc *sc, struc
@@ -9019,6 +9056,7 @@ ath_chan_set(struct ath_softc *sc, struc
u_int8_t channel_change_required = 0;
struct timeval tv;

4
package/madwifi/patches/406-monitor_r3711.patch
View File

@ -1,6 +1,6 @@
--- a/ath/if_ath.c
+++ b/ath/if_ath.c
@@ -6507,7 +6507,7 @@ ath_capture(struct net_device *dev, cons
@@ -6510,7 +6510,7 @@ ath_capture(struct net_device *dev, cons
/* Never copy the SKB, as it is ours on the RX side, and this is the
* last process on the TX side and we only modify our own headers. */
@ -9,7 +9,7 @@
if (tskb == NULL) {
DPRINTF(sc, ATH_DEBUG_ANY,
"Dropping; ath_skb_removepad failed!\n");
@@ -6515,6 +6515,8 @@ ath_capture(struct net_device *dev, cons
@@ -6518,6 +6518,8 @@ ath_capture(struct net_device *dev, cons
}
ieee80211_input_monitor(ic, tskb, bf, tx, tsf, sc);

2
package/madwifi/patches/408-changeset_r3337.patch
View File

@ -10,7 +10,7 @@
Please let us know if you think your name should be mentioned here!
--- a/ath/if_ath.c
+++ b/ath/if_ath.c
@@ -3126,7 +3126,7 @@ ath_tx_startraw(struct net_device *dev,
@@ -3129,7 +3129,7 @@ ath_tx_startraw(struct net_device *dev,
struct ath_softc *sc = dev->priv;
struct ath_hal *ah = sc->sc_ah;
struct ieee80211_phy_params *ph = (struct ieee80211_phy_params *)

2
package/madwifi/patches/450-new_hal.patch
View File

@ -108,7 +108,7 @@
/*
* Check if the MAC has multi-rate retry support.
* We do this by trying to setup a fake extended
@@ -7521,7 +7529,7 @@ ath_txq_setup(struct ath_softc *sc, int
@@ -7524,7 +7532,7 @@ ath_txq_setup(struct ath_softc *sc, int
if (qtype == HAL_TX_QUEUE_UAPSD)
qi.tqi_qflags = HAL_TXQ_TXDESCINT_ENABLE;
else