cxgb3: disable high freq non-data interrupts
Under RX pressure, The HW might generate a high load of interrupts
to signal mac fifo or free lists overflow.
Disable the interrupts, and poll the relevant status bits
to maintain stats.
Signed-off-by: Divy Le Ray <divy@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/cxgb3/regs.h b/drivers/net/cxgb3/regs.h
index a035d5c..aa08550 100644
--- a/drivers/net/cxgb3/regs.h
+++ b/drivers/net/cxgb3/regs.h
@@ -170,6 +170,10 @@
#define S_RSPQ0DISABLED 8
+#define S_FL0EMPTY 16
+#define V_FL0EMPTY(x) ((x) << S_FL0EMPTY)
+#define F_FL0EMPTY V_FL0EMPTY(1U)
+
#define A_SG_EGR_RCQ_DRB_THRSH 0x54
#define S_HIRCQDRBTHRSH 16
@@ -258,6 +262,10 @@
#define V_RSPQCREDITOVERFOW(x) ((x) << S_RSPQCREDITOVERFOW)
#define F_RSPQCREDITOVERFOW V_RSPQCREDITOVERFOW(1U)
+#define S_FLEMPTY 1
+#define V_FLEMPTY(x) ((x) << S_FLEMPTY)
+#define F_FLEMPTY V_FLEMPTY(1U)
+
#define A_SG_INT_ENABLE 0x60
#define A_SG_CMDQ_CREDIT_TH 0x64