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USB-CDC: Port struct net_device_stats

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Port struct net_device_stats and statistics collecting needed for
RNDIS protocol.

Signed-off-by: Vitaly Kuzmichev <vkuzmichev@mvista.com>
This commit is contained in:
Vitaly Kuzmichev 2011-02-11 18:18:32 +03:00 • committed by Remy Bohmer
parent b3649f3bbf
commit c85d70ef64
2 changed files with 104 additions and 0 deletions
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39
drivers/usb/gadget/ether.c
View file

@ -22,6 +22,7 @@
#include <common.h>
#include <asm/errno.h>
#include <linux/netdevice.h>
#include <linux/usb/ch9.h>
#include <linux/usb/cdc.h>
#include <linux/usb/gadget.h>
@ -175,6 +176,7 @@ struct eth_dev {
struct usb_request *tx_req, *rx_req;
struct eth_device *net;
struct net_device_stats stats;
unsigned int tx_qlen;
unsigned zlp:1;
@ -1274,6 +1276,28 @@ static void rx_complete(struct usb_ep *ep, struct usb_request *req)
struct eth_dev *dev = ep->driver_data;
debug("%s: status %d\n", __func__, req->status);
switch (req->status) {
/* normal completion */
case 0:
dev->stats.rx_packets++;
dev->stats.rx_bytes += req->length;
break;
/* software-driven interface shutdown */
case -ECONNRESET: /* unlink */
case -ESHUTDOWN: /* disconnect etc */
/* for hardware automagic (such as pxa) */
case -ECONNABORTED: /* endpoint reset */
break;
/* data overrun */
case -EOVERFLOW:
dev->stats.rx_over_errors++;
/* FALLTHROUGH */
default:
dev->stats.rx_errors++;
break;
}
packet_received = 1;
}
@ -1302,7 +1326,22 @@ fail1:
static void tx_complete(struct usb_ep *ep, struct usb_request *req)
{
struct eth_dev *dev = ep->driver_data;
debug("%s: status %s\n", __func__, (req->status) ? "failed" : "ok");
switch (req->status) {
default:
dev->stats.tx_errors++;
debug("tx err %d\n", req->status);
/* FALLTHROUGH */
case -ECONNRESET: /* unlink */
case -ESHUTDOWN: /* disconnect etc */
break;
case 0:
dev->stats.tx_bytes += req->length;
}
dev->stats.tx_packets++;
packet_sent = 1;
}

65
include/linux/netdevice.h Normal file
View file

@ -0,0 +1,65 @@
/*
* INET An implementation of the TCP/IP protocol suite for the LINUX
* operating system. INET is implemented using the BSD Socket
* interface as the means of communication with the user level.
*
* Definitions for the Interfaces handler.
*
* Version: @(#)dev.h 1.0.10 08/12/93
*
* Authors: Ross Biro
* Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG>
* Corey Minyard <wf-rch!minyard@relay.EU.net>
* Donald J. Becker, <becker@cesdis.gsfc.nasa.gov>
* Alan Cox, <Alan.Cox@linux.org>
* Bjorn Ekwall. <bj0rn@blox.se>
* Pekka Riikonen <priikone@poseidon.pspt.fi>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*
* Moved to /usr/include/linux for NET3
*/
#ifndef _LINUX_NETDEVICE_H
#define _LINUX_NETDEVICE_H
/*
* Network device statistics. Akin to the 2.0 ether stats but
* with byte counters.
*/
struct net_device_stats {
unsigned long rx_packets; /* total packets received */
unsigned long tx_packets; /* total packets transmitted */
unsigned long rx_bytes; /* total bytes received */
unsigned long tx_bytes; /* total bytes transmitted */
unsigned long rx_errors; /* bad packets received */
unsigned long tx_errors; /* packet transmit problems */
unsigned long rx_dropped; /* no space in linux buffers */
unsigned long tx_dropped; /* no space available in linux */
unsigned long multicast; /* multicast packets received */
unsigned long collisions;
/* detailed rx_errors: */
unsigned long rx_length_errors;
unsigned long rx_over_errors; /* receiver ring buff overflow */
unsigned long rx_crc_errors; /* recved pkt with crc error */
unsigned long rx_frame_errors; /* recv'd frame alignment error */
unsigned long rx_fifo_errors; /* recv'r fifo overrun */
unsigned long rx_missed_errors; /* receiver missed packet */
/* detailed tx_errors */
unsigned long tx_aborted_errors;
unsigned long tx_carrier_errors;
unsigned long tx_fifo_errors;
unsigned long tx_heartbeat_errors;
unsigned long tx_window_errors;
/* for cslip etc */
unsigned long rx_compressed;
unsigned long tx_compressed;
};
#endif /* _LINUX_NETDEVICE_H */