mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-27 09:12:39 +00:00
fix a some txq races (merge from madwifi-trunk)
SVN-Revision: 10895
This commit is contained in:
parent
3de189af5d
commit
456e3823f4
38
package/madwifi/patches/360-txqueue_races.patch
Normal file
38
package/madwifi/patches/360-txqueue_races.patch
Normal file
@ -0,0 +1,38 @@
|
||||
Merged from madwifi trunk r3551, r3552
|
||||
|
||||
Index: madwifi-trunk-r3314/ath/if_ath.c
|
||||
===================================================================
|
||||
--- madwifi-trunk-r3314.orig/ath/if_ath.c 2008-04-20 23:18:52.000000000 +0200
|
||||
+++ madwifi-trunk-r3314/ath/if_ath.c 2008-04-20 23:20:36.000000000 +0200
|
||||
@@ -8245,6 +8245,17 @@
|
||||
goto bf_fail;
|
||||
}
|
||||
|
||||
+ /* We make sure we don't remove the TX descriptor on
|
||||
+ * which the HW is pointing since it contains the
|
||||
+ * ds_link field, except if this is the last TX
|
||||
+ * descriptor in the queue */
|
||||
+
|
||||
+ if ((txq->axq_depth > 1) &&
|
||||
+ (bf->bf_daddr == ath_hal_gettxbuf(ah, txq->axq_qnum))) {
|
||||
+ ATH_TXQ_UNLOCK_IRQ_EARLY(txq);
|
||||
+ goto bf_fail;
|
||||
+ }
|
||||
+
|
||||
ATH_TXQ_REMOVE_HEAD(txq, bf_list);
|
||||
ATH_TXQ_UNLOCK_IRQ(txq);
|
||||
|
||||
Index: madwifi-trunk-r3314/ath/if_athvar.h
|
||||
===================================================================
|
||||
--- madwifi-trunk-r3314.orig/ath/if_athvar.h 2008-04-20 23:18:48.000000000 +0200
|
||||
+++ madwifi-trunk-r3314/ath/if_athvar.h 2008-04-20 23:21:12.000000000 +0200
|
||||
@@ -586,7 +586,8 @@
|
||||
} while (0)
|
||||
#define ATH_TXQ_REMOVE_HEAD(_tq, _field) do { \
|
||||
STAILQ_REMOVE_HEAD(&(_tq)->axq_q, _field); \
|
||||
- (_tq)->axq_depth--; \
|
||||
+ if (--(_tq)->axq_depth <= 0) \
|
||||
+ (_tq)->axq_link = NULL; \
|
||||
} while (0)
|
||||
/* move buffers from MCASTQ to CABQ */
|
||||
#define ATH_TXQ_MOVE_MCASTQ(_tqs,_tqd) do { \
|
Loading…
Reference in New Issue
Block a user