From: Divy Le Ray <[EMAIL PROTECTED]>
Log doorbell Fifo overflow
Signed-off-by: Divy Le Ray <[EMAIL PROTECTED]>
---
drivers/net/cxgb3/regs.h | 8 ++++++++
drivers/net/cxgb3/sge.c | 4 ++++
2 files changed, 12 insertions(+), 0 deletions(-)
diff --git a/drivers/net/cxgb3/regs.h b/drivers/net/cxgb3/regs.h
index aa80313..2824278 100644
--- a/drivers/net/cxgb3/regs.h
+++ b/drivers/net/cxgb3/regs.h
@@ -172,6 +172,14 @@
#define A_SG_INT_CAUSE 0x5c
+#define S_HIPIODRBDROPERR 11
+#define V_HIPIODRBDROPERR(x) ((x) << S_HIPIODRBDROPERR)
+#define F_HIPIODRBDROPERR V_HIPIODRBDROPERR(1U)
+
+#define S_LOPIODRBDROPERR 10
+#define V_LOPIODRBDROPERR(x) ((x) << S_LOPIODRBDROPERR)
+#define F_LOPIODRBDROPERR V_LOPIODRBDROPERR(1U)
+
#define S_RSPQDISABLED 3
#define V_RSPQDISABLED(x) ((x) << S_RSPQDISABLED)
#define F_RSPQDISABLED V_RSPQDISABLED(1U)
diff --git a/drivers/net/cxgb3/sge.c b/drivers/net/cxgb3/sge.c
index a2cfd68..9213cda 100644
--- a/drivers/net/cxgb3/sge.c
+++ b/drivers/net/cxgb3/sge.c
@@ -2476,6 +2476,10 @@ void t3_sge_err_intr_handler(struct adapter *adapter)
"(0x%x)\n", (v >> S_RSPQ0DISABLED) & 0xff);
}
+ if (status & (F_HIPIODRBDROPERR | F_LOPIODRBDROPERR))
+ CH_ALERT(adapter, "SGE dropped %s priority doorbell\n",
+ status & F_HIPIODRBDROPERR ? "high" : "lo");
+
t3_write_reg(adapter, A_SG_INT_CAUSE, status);
if (status & (F_RSPQCREDITOVERFOW | F_RSPQDISABLED))
t3_fatal_err(adapter);
-
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