remove ad-hoc tx hang workaround - the underlying issue has been fixed a while ago

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@7868 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/package/madwifi/patches/118-txstop_workaround.patch b/package/madwifi/patches/118-txstop_workaround.patch
deleted file mode 100644 (file)
index 2b59d25..0000000
--- a/package/madwifi/patches/118-txstop_workaround.patch
+++ /dev/null
@@ -1,49 +0,0 @@
-Index: madwifi-ng-r2525-20070630/ath/if_ath.c
-===================================================================
---- madwifi-ng-r2525-20070630.orig/ath/if_ath.c        2007-07-03 23:02:29.657897250 +0200
-+++ madwifi-ng-r2525-20070630/ath/if_ath.c     2007-07-03 23:02:29.917913500 +0200
-@@ -2253,6 +2253,17 @@
-               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 && (ath_hal_numtxpending(ah, txq->axq_qnum) > 2)) {
-+                              if (jiffies > sc->sc_tx_start + 2 * HZ) {
-+                                      printk("%s: Tx queue stuck. Resetting hardware...\n", sc->sc_dev->name);
-+                                      ath_reset(sc->sc_dev);
-+                                      sc->sc_tx_start = 0;
-+                              }
-+                      } else {
-+                              sc->sc_tx_start = jiffies;
-+                      }
-+              }
-       }
-       ATH_TXQ_UNLOCK_IRQ(txq);
- 
-@@ -7312,6 +7323,7 @@
-                       __func__, ds);
- #else
-               ds = bf->bf_desc;               /* NB: last descriptor */
-+              sc->sc_tx_start = 0;
- #endif
-               ts = &bf->bf_dsstatus.ds_txstat;
-               status = ath_hal_txprocdesc(ah, ds, ts);
-Index: madwifi-ng-r2525-20070630/ath/if_athvar.h
-===================================================================
---- madwifi-ng-r2525-20070630.orig/ath/if_athvar.h     2007-07-03 23:02:25.669648000 +0200
-+++ madwifi-ng-r2525-20070630/ath/if_athvar.h  2007-07-03 23:02:29.917913500 +0200
-@@ -690,6 +690,14 @@
-       u_int sc_slottimeconf;                  /* manual override for slottime */
-       int16_t sc_channoise;                   /* Measured noise of current channel (dBm) */
-       u_int64_t sc_tsf;                       /* TSF at last rx interrupt */
-+
-+      /* 
-+       * Several MiniPCI cards and most SoC revs frequently cease all transmission
-+       * when operating in IBSS mode. The reason for this is unknown and could potentially
-+       * be a hardware bug. This variable contains the timestamp of the last successful
-+       * transmission and is checked when enqueueing new frames
-+       */
-+      unsigned long sc_tx_start;
- };
- 
- typedef void (*ath_callback) (struct ath_softc *);