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cxgb3 - SGE doorbell overflow warning

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Log doorbell Fifo overflow

Signed-off-by: Divy Le Ray <divy@chelsio.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
This commit is contained in:
Divy Le Ray 2007-08-21 20:49:10 -07:00 committed by David S. Miller
parent 52b810d305
commit 6e3f03b72c
2 changed files with 12 additions and 0 deletions
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8
drivers/net/cxgb3/regs.h
View File

@ -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)

4
drivers/net/cxgb3/sge.c
View File

@ -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);