From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from fraxinus.osuosl.org (smtp4.osuosl.org [140.211.166.137]) by ash.osuosl.org (Postfix) with ESMTP id C8C7B1C0BE0 for ; Tue, 22 Dec 2015 09:54:53 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by fraxinus.osuosl.org (Postfix) with ESMTP id C5599A2C3C for ; Tue, 22 Dec 2015 09:54:53 +0000 (UTC) Received: from fraxinus.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 2JPjTzzkOve8 for ; Tue, 22 Dec 2015 09:54:53 +0000 (UTC) Received: from email.microchip.com (exsmtp03.microchip.com [198.175.253.49]) by fraxinus.osuosl.org (Postfix) with ESMTPS id 353508B99E for ; Tue, 22 Dec 2015 09:54:53 +0000 (UTC) From: Christian Gromm Subject: [PATCH 27/28 v2] staging: most: add statistics for dropped packets Date: Tue, 22 Dec 2015 10:53:08 +0100 Message-ID: <1450777989-5551-28-git-send-email-christian.gromm@microchip.com> In-Reply-To: <1450777989-5551-1-git-send-email-christian.gromm@microchip.com> References: <1450777989-5551-1-git-send-email-christian.gromm@microchip.com> MIME-Version: 1.0 List-Id: Linux Driver Project Developer List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: driverdev-devel-bounces@linuxdriverproject.org Sender: "devel" To: gregkh@linuxfoundation.org Cc: Christian Gromm , driverdev-devel@linuxdriverproject.org This patch adds a counter for dropped packets. It needed for statistical analysis. Signed-off-by: Christian Gromm --- This patch has been resent on behalf of Greg Kroah-Hartman v2: change type of skb_len to unsigned int. This has been demanded by Dan Carpenter. drivers/staging/most/aim-network/networking.c | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-) diff --git a/drivers/staging/most/aim-network/networking.c b/drivers/staging/most/aim-network/networking.c index 3c7beb0..a1fc8b3 100644 --- a/drivers/staging/most/aim-network/networking.c +++ b/drivers/staging/most/aim-network/networking.c @@ -431,6 +431,7 @@ static int aim_rx_data(struct mbo *mbo) u32 len = mbo->processed_length; struct sk_buff *skb; struct net_device *dev; + unsigned int skb_len; nd = get_net_dev_context(mbo->ifp); if (!nd || !nd->channels_opened || nd->rx.ch_id != mbo->hdm_channel_id) @@ -482,9 +483,13 @@ static int aim_rx_data(struct mbo *mbo) memcpy(skb_put(skb, len), buf, len); skb->protocol = eth_type_trans(skb, dev); - dev->stats.rx_packets++; - dev->stats.rx_bytes += skb->len; - netif_rx(skb); + skb_len = skb->len; + if (netif_rx(skb) == NET_RX_SUCCESS) { + dev->stats.rx_packets++; + dev->stats.rx_bytes += skb_len; + } else { + dev->stats.rx_dropped++; + } out: most_put_mbo(mbo); -- 1.7.9.5 _______________________________________________ devel mailing list devel@linuxdriverproject.org http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel