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authornbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73>2007-05-16 13:44:06 +0000
committernbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73>2007-05-16 13:44:06 +0000
commit6dfe719aaccfb40e57beebe327d5c41074d91f03 (patch)
treef90155e3b464ed1eff90baed4e1020404aadda8e /package/madwifi/patches
parent0c0407178e0f768de17a6c71dbb3057cdd270490 (diff)
make txstop workaround safe with napi polling
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@7258 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'package/madwifi/patches')
-rw-r--r--package/madwifi/patches/118-txstop_workaround.patch37
1 files changed, 28 insertions, 9 deletions
diff --git a/package/madwifi/patches/118-txstop_workaround.patch b/package/madwifi/patches/118-txstop_workaround.patch
index e50e9a85f..f478ea615 100644
--- a/package/madwifi/patches/118-txstop_workaround.patch
+++ b/package/madwifi/patches/118-txstop_workaround.patch
@@ -1,6 +1,6 @@
-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 18:17:56.196025944 +0200
-+++ madwifi-ng-refcount-r2313-20070505.dev/ath/if_ath.c 2007-05-13 18:17:56.284012568 +0200
+diff -ur madwifi.old/ath/if_ath.c madwifi.dev/ath/if_ath.c
+--- madwifi.old/ath/if_ath.c 2007-05-15 16:26:02.721036296 +0200
++++ madwifi.dev/ath/if_ath.c 2007-05-16 15:43:23.095362056 +0200
@@ -1711,6 +1711,7 @@
}
#endif
@@ -9,27 +9,46 @@ diff -urN madwifi-ng-refcount-r2313-20070505.old/ath/if_ath.c madwifi-ng-refcoun
}
if (status & HAL_INT_BMISS) {
sc->sc_stats.ast_bmiss++;
-@@ -2264,6 +2265,17 @@
+@@ -2261,6 +2262,25 @@
txq->axq_link = &lastds->ds_link;
ath_hal_txstart(ah, txq->axq_qnum);
sc->sc_dev->trans_start = jiffies;
+ if ((sc->sc_opmode == HAL_M_IBSS) || (sc->sc_opmode == HAL_M_HOSTAP)) {
-+ if (sc->sc_tx_start) {
-+ if (jiffies > sc->sc_tx_start + 2 * HZ) {
++ unsigned long last;
++ ATH_LOCK(sc);
++ last = sc->sc_tx_start;
++ ATH_UNLOCK(sc);
++ if (last) {
++ if (jiffies > last + 2 * HZ) {
+ printk("%s: Tx queue stuck. Resetting hardware...\n", sc->sc_dev->name);
+ ath_reset(sc->sc_dev);
++ ATH_LOCK(sc);
+ sc->sc_tx_start = 0;
++ ATH_UNLOCK(sc);
+ }
+ } else {
++ ATH_LOCK(sc);
+ sc->sc_tx_start = jiffies;
++ ATH_UNLOCK(sc);
+ }
+ }
}
ATH_TXQ_UNLOCK(txq);
-diff -urN madwifi-ng-refcount-r2313-20070505.old/ath/if_athvar.h madwifi-ng-refcount-r2313-20070505.dev/ath/if_athvar.h
---- madwifi-ng-refcount-r2313-20070505.old/ath/if_athvar.h 2007-05-04 23:09:29.000000000 +0200
-+++ madwifi-ng-refcount-r2313-20070505.dev/ath/if_athvar.h 2007-05-13 18:17:56.285012416 +0200
+@@ -7289,6 +7309,10 @@
+ break;
+ }
+
++ ATH_LOCK(sc);
++ sc->sc_tx_start = 0;
++ ATH_UNLOCK(sc);
++
+ #ifdef ATH_SUPERG_FF
+ ds = &bf->bf_desc[bf->bf_numdescff];
+ DPRINTF(sc, ATH_DEBUG_TX_PROC, "%s: frame's last desc: %p\n",
+diff -ur madwifi.old/ath/if_athvar.h madwifi.dev/ath/if_athvar.h
+--- madwifi.old/ath/if_athvar.h 2007-05-04 23:09:29.000000000 +0200
++++ madwifi.dev/ath/if_athvar.h 2007-05-15 16:26:28.911054808 +0200
@@ -689,6 +689,14 @@
#endif
u_int sc_slottimeconf; /* manual override for slottime */