From 8693233b735bc1b50fcf39daf9db6e0913aed3fa Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Wed, 16 May 2007 13:44:06 +0000 Subject: [PATCH] make txstop workaround safe with napi polling SVN-Revision: 7258 --- .../patches/118-txstop_workaround.patch | 37 ++++++++++++++----- 1 file changed, 28 insertions(+), 9 deletions(-) diff --git a/package/madwifi/patches/118-txstop_workaround.patch b/package/madwifi/patches/118-txstop_workaround.patch index e50e9a85f8..f478ea6152 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 */