NIU: Implement discard counters, info/debug statements. (d231776f) · Commits · 戴 / test

Discard packet counter debug statements that can be turned on at runtime by users to assist debugging of the driver code. Signed-off-by:

drivers/net/niu.c

+6 −0

Original line number	Diff line number	Diff line
		@@ -3558,6 +3558,9 @@ static inline void niu_sync_rx_discard_stats(struct niu *np,
		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 @@ static inline void niu_sync_rx_discard_stats(struct niu *np,
		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);
		}
		}