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authorJesper Dangaard Brouer <hawk@comx.dk>2008-12-18 19:51:26 -0800
committerDavid S. Miller <davem@davemloft.net>2008-12-18 22:27:40 -0800
commitd231776fda4a1ed754298720c5fbc29eb34f130c (patch)
treec95fec7006a595f87d01cdf78a6820000731d3ec /drivers/net/niu.c
parentb8a606b871d37e03b92be1bd3deedeee97ea4f13 (diff)
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>
Diffstat (limited to 'drivers/net/niu.c')
-rw-r--r--drivers/net/niu.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/net/niu.c b/drivers/net/niu.c
index 7b6cdd07c85f..671721c8ca65 100644
--- a/drivers/net/niu.c
+++ b/drivers/net/niu.c
@@ -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);
}
}