diff options
| -rw-r--r-- | drivers/usb/gadget/ether.c | 39 | ||||
| -rw-r--r-- | include/linux/netdevice.h | 65 |
2 files changed, 104 insertions, 0 deletions
diff --git a/drivers/usb/gadget/ether.c b/drivers/usb/gadget/ether.c index 0e7549d..8aa6240 100644 --- a/drivers/usb/gadget/ether.c +++ b/drivers/usb/gadget/ether.c @@ -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; } diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h new file mode 100644 index 0000000..870d8b4 --- /dev/null +++ b/include/linux/netdevice.h @@ -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 */ |