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NIU: Implement discard counters, info/debug statements.

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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>
This commit is contained in:
Jesper Dangaard Brouer 2008-12-18 19:51:26 -08:00 committed by David S. Miller
parent b8a606b871
commit d231776fda
1 changed files with 6 additions and 0 deletions
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6
drivers/net/niu.c
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@ -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);
}
}