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Commit 6e3f03b7 authored by Divy Le Ray's avatar Divy Le Ray Committed by David S. Miller
Browse files

cxgb3 - SGE doorbell overflow warning 



Log doorbell Fifo overflow

Signed-off-by: default avatarDivy Le Ray <divy@chelsio.com>
Signed-off-by: default avatarJeff Garzik <jeff@garzik.org>
parent 52b810d3

drivers/net/cxgb3/regs.h

+8 −0
Original line number Diff line number Diff line
@@ -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)

drivers/net/cxgb3/sge.c

+4 −0
Original line number Diff line number Diff line
@@ -2458,6 +2458,10 @@ 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);