NIU: Implement discard counters, info/debug statements.
Discard packet counter debug statements that can be turned on
at runtime by users to assist debugging of the driver code.
Signed-off-by: Jesper Dangaard Brouer <hawk@comx.dk>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/niu.c b/drivers/net/niu.c
index 7b6cdd0..671721c 100644
--- a/drivers/net/niu.c
+++ b/drivers/net/niu.c
@@ -3558,6 +3558,9 @@
if (unlikely(misc & RXMISC_OFLOW))
dev_err(np->device, "rx-%d: Counter overflow "
"RXMISC discard\n", rx_channel);
+
+ niudbg(RX_ERR, "%s-rx-%d: MISC drop=%u over=%u\n",
+ np->dev->name, rx_channel, misc, misc-limit);
}
/* WRED (Weighted Random Early Discard) by hardware */
@@ -3569,6 +3572,9 @@
if (unlikely(wred & RED_DIS_CNT_OFLOW))
dev_err(np->device, "rx-%d: Counter overflow "
"WRED discard\n", rx_channel);
+
+ niudbg(RX_ERR, "%s-rx-%d: WRED drop=%u over=%u\n",
+ np->dev->name, rx_channel, wred, wred-limit);
}
}