diff options
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/gadget/ether.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/drivers/usb/gadget/ether.c b/drivers/usb/gadget/ether.c index 0e7549d6b16..8aa6240141f 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; } |