sky2: debug interface
Add an optional debug interface for displaying state of transmit/receive
rings. Creates a file debugfs/sky2/ethX for each device that is up.
Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
diff --git a/drivers/net/sky2.h b/drivers/net/sky2.h
index 8df4643..dce4d27 100644
--- a/drivers/net/sky2.h
+++ b/drivers/net/sky2.h
@@ -1998,6 +1998,7 @@
struct sky2_tx_le *tx_le;
u16 tx_cons; /* next le to check */
u16 tx_prod; /* next le to use */
+ u16 tx_next; /* debug only */
u32 tx_addr64;
u16 tx_pending;
u16 tx_last_mss;
@@ -2028,6 +2029,9 @@
enum flow_control flow_mode;
enum flow_control flow_status;
+#ifdef CONFIG_SKY2_DEBUG
+ struct dentry *debugfs;
+#endif
struct net_device_stats net_stats;
};