[PATCH 2/11 RESEND] cxgb3 - SGE doorbell overflow warning
From: Divy Le Ray <hidden>
Date: 2007-08-22 03:49:52
Also in:
lkml
Subsystem:
networking drivers, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
From: Divy Le Ray <redacted> Log doorbell Fifo overflow Signed-off-by: Divy Le Ray <redacted> --- 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);