cxgb3: ring rx door bell less frequently
Ring free lists door bell less frequently,
specifically every quarter of the active FL
size.
Signed-off-by: Divy Le Ray <divy@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/cxgb3/adapter.h b/drivers/net/cxgb3/adapter.h
index fbe1569..95dce48 100644
--- a/drivers/net/cxgb3/adapter.h
+++ b/drivers/net/cxgb3/adapter.h
@@ -91,6 +91,7 @@
struct sge_fl { /* SGE per free-buffer list state */
unsigned int buf_size; /* size of each Rx buffer */
unsigned int credits; /* # of available Rx buffers */
+ unsigned int pend_cred; /* new buffers since last FL DB ring */
unsigned int size; /* capacity of free list */
unsigned int cidx; /* consumer index */
unsigned int pidx; /* producer index */