b43legacy: reinit on too many PHY TX errors

Restart the hardware on too many PHY TX errors. A thousand PHY TX errors
per 15 seconds means we won't be able to recover for sure.

Signed-off-by: Stefano Brivio <stefano.brivio@polimi.it>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 5 insertions, 0 deletions

diff --git a/drivers/net/wireless/b43legacy/b43legacy.h b/drivers/net/wireless/b43legacy/b43legacy.h
index d906f6eb2020..e4de437b7896 100644
--- a/drivers/net/wireless/b43legacy/b43legacy.h
+++ b/drivers/net/wireless/b43legacy/b43legacy.h
@@ -276,6 +276,8 @@
 #define B43legacy_DEFAULT_SHORT_RETRY_LIMIT     7
 #define B43legacy_DEFAULT_LONG_RETRY_LIMIT      4
 
+#define B43legacy_PHY_TX_BADNESS_LIMIT          1000
+
 /* Max size of a security key */
 #define B43legacy_SEC_KEYSIZE           16
 /* Security algorithms. */
@@ -511,6 +513,9 @@ struct b43legacy_phy {
         u16 lofcal;
 
         u16 initval;
+
+        /* PHY TX errors counter. */
+        atomic_t txerr_cnt;
 };
 
 /* Data structures for DMA transmission, per 80211 core. */