From 6e3f03b72c1e11e19ea233a411a782f7231ba13f Mon Sep 17 00:00:00 2001 From: Divy Le Ray Date: Tue, 21 Aug 2007 20:49:10 -0700 Subject: cxgb3 - SGE doorbell overflow warning Log doorbell Fifo overflow Signed-off-by: Divy Le Ray Signed-off-by: Jeff Garzik --- drivers/net/cxgb3/regs.h | 8 ++++++++ drivers/net/cxgb3/sge.c | 4 ++++ 2 files changed, 12 insertions(+) diff --git a/drivers/net/cxgb3/regs.h b/drivers/net/cxgb3/regs.h index aa80313c922..282427877ea 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 069c1aca8a6..9233bbba9e9 100644 --- a/drivers/net/cxgb3/sge.c +++ b/drivers/net/cxgb3/sge.c @@ -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); -- cgit v1.2.3