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Date: Wed, 1 Feb 2017 14:10:19 +0900 From: Hyung Jin Jung <realbright@...ns.com> To: "nicolas.ferre@...el.com" <nicolas.ferre@...el.com> CC: "netdev@...r.kernel.org" <netdev@...r.kernel.org>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org> Subject: net: macb: lack of statistics - tx_dropped macb doesn't maintain statistics of dropped packets when transmitting. so that it's not possible to detect packet loss in user space (sysfs, procfs...) macb_start_xmit should to increase tx_dropped in case of exception - buffer full, dma mapping fail Davy
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