From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jesper Dangaard Brouer Subject: [PATCH 2/3] NIU: Implement discard counters, info/debug statements. Date: Thu, 18 Dec 2008 14:56:18 +0100 Message-ID: <1229608578.16904.28.camel@localhost.localdomain> References: <1229608331.16904.23.camel@localhost.localdomain> Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit Cc: Robert Olsson , "netdev@vger.kernel.org" , hawk@comx.dk To: "David S. Miller" Return-path: Received: from lanfw001a.cxnet.dk ([87.72.215.196]:32841 "EHLO lanfw001a.cxnet.dk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751483AbYLRN4T (ORCPT ); Thu, 18 Dec 2008 08:56:19 -0500 In-Reply-To: <1229608331.16904.23.camel@localhost.localdomain> Sender: netdev-owner@vger.kernel.org List-ID: Discard packet counter debug statements that can be turned on runtime, by users to assist debugging of the driver code. Signed-off-by: Jesper Dangaard Brouer --- drivers/net/niu.c | 6 ++++++ 1 files changed, 6 insertions(+), 0 deletions(-) diff --git a/drivers/net/niu.c b/drivers/net/niu.c index 1bd7018..9f6a98f 100644 --- a/drivers/net/niu.c +++ b/drivers/net/niu.c @@ -3560,6 +3560,9 @@ 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 */ @@ -3571,6 +3574,9 @@ 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); } }