/*****************************************************************************
*
* Filename: ksdazzle.c
-* Version: 0.1.1
+* Version: 0.1.2
* Description: Irda KingSun Dazzle USB Dongle
* Status: Experimental
* Author: Alex VillacĂs Lasso <a_villacis@palosanto.com>
#include <linux/errno.h>
#include <linux/init.h>
#include <linux/slab.h>
-#include <linux/module.h>
#include <linux/kref.h>
#include <linux/usb.h>
#include <linux/device.h>
#define KINGSUN_REQ_SEND 0x09
#define KINGSUN_SND_FIFO_SIZE 2048 /* Max packet we can send */
+#define KINGSUN_RCV_MAX 2048 /* Max transfer we can receive */
struct ksdazzle_speedparams {
__le32 baudrate; /* baud rate, little endian */
struct usb_device *usbdev; /* init: probe_irda */
struct net_device *netdev; /* network layer */
struct irlap_cb *irlap; /* The link layer we are binded to */
- struct net_device_stats stats; /* network statistics */
+
struct qos_info qos;
struct urb *tx_urb;
__u8 tx_payload[8];
struct urb *rx_urb;
- __u8 rx_payload[8];
+ __u8 *rx_buf;
iobuff_t rx_unwrap_buff;
struct usb_ctrlrequest *speed_setuprequest;
case -EPIPE:
break;
default:
- kingsun->stats.tx_errors++;
+ netdev->stats.tx_errors++;
netif_start_queue(netdev);
}
}
case -EPIPE:
break;
default:
- kingsun->stats.tx_errors++;
+ netdev->stats.tx_errors++;
netif_start_queue(netdev);
}
} else {
- kingsun->stats.tx_packets++;
- kingsun->stats.tx_bytes += skb->len;
+ netdev->stats.tx_packets++;
+ netdev->stats.tx_bytes += skb->len;
}
static void ksdazzle_rcv_irq(struct urb *urb)
{
struct ksdazzle_cb *kingsun = urb->context;
+ struct net_device *netdev = kingsun->netdev;
/* in process of stopping, just drop data */
- if (!netif_running(kingsun->netdev)) {
+ if (!netif_running(netdev)) {
kingsun->receiving = 0;
return;
}
unsigned int i;
for (i = 0; i < urb->actual_length; i++) {
- async_unwrap_char(kingsun->netdev, &kingsun->stats,
+ async_unwrap_char(netdev, &netdev->stats,
&kingsun->rx_unwrap_buff, bytes[i]);
}
- kingsun->netdev->last_rx = jiffies;
kingsun->receiving =
(kingsun->rx_unwrap_buff.state != OUTSIDE_FRAME) ? 1 : 0;
}
/* Start reception. */
usb_fill_int_urb(kingsun->rx_urb, kingsun->usbdev,
usb_rcvintpipe(kingsun->usbdev, kingsun->ep_in),
- kingsun->rx_payload, 8, ksdazzle_rcv_irq, kingsun, 1);
+ kingsun->rx_buf, KINGSUN_RCV_MAX, ksdazzle_rcv_irq,
+ kingsun, 1);
kingsun->rx_urb->status = 0;
err = usb_submit_urb(kingsun->rx_urb, GFP_KERNEL);
if (err) {
return ret;
}
-/*
- * Get device stats (for /proc/net/dev and ifconfig)
- */
-static struct net_device_stats *ksdazzle_net_get_stats(struct net_device
- *netdev)
-{
- struct ksdazzle_cb *kingsun = netdev_priv(netdev);
- return &kingsun->stats;
-}
+static const struct net_device_ops ksdazzle_ops = {
+ .ndo_start_xmit = ksdazzle_hard_xmit,
+ .ndo_open = ksdazzle_net_open,
+ .ndo_stop = ksdazzle_net_close,
+ .ndo_do_ioctl = ksdazzle_net_ioctl,
+};
/*
* This routine is called by the USB subsystem for each new device
kingsun->tx_buf_clear_sent = 0;
kingsun->rx_urb = NULL;
+ kingsun->rx_buf = NULL;
kingsun->rx_unwrap_buff.in_frame = FALSE;
kingsun->rx_unwrap_buff.state = OUTSIDE_FRAME;
kingsun->rx_unwrap_buff.skb = NULL;
kingsun->speed_urb = NULL;
kingsun->speedparams.baudrate = 0;
+ /* Allocate input buffer */
+ kingsun->rx_buf = kmalloc(KINGSUN_RCV_MAX, GFP_KERNEL);
+ if (!kingsun->rx_buf)
+ goto free_mem;
+
/* Allocate output buffer */
kingsun->tx_buf_clear = kmalloc(KINGSUN_SND_FIFO_SIZE, GFP_KERNEL);
if (!kingsun->tx_buf_clear)
irda_qos_bits_to_value(&kingsun->qos);
/* Override the network functions we need to use */
- net->hard_start_xmit = ksdazzle_hard_xmit;
- net->open = ksdazzle_net_open;
- net->stop = ksdazzle_net_close;
- net->get_stats = ksdazzle_net_get_stats;
- net->do_ioctl = ksdazzle_net_ioctl;
+ net->netdev_ops = &ksdazzle_ops;
ret = register_netdev(net);
if (ret != 0)
goto free_mem;
- info("IrDA: Registered KingSun/Dazzle device %s", net->name);
+ dev_info(&net->dev, "IrDA: Registered KingSun/Dazzle device %s\n",
+ net->name);
usb_set_intfdata(intf, kingsun);
free_mem:
kfree(kingsun->speed_setuprequest);
kfree(kingsun->tx_buf_clear);
+ kfree(kingsun->rx_buf);
free_netdev(net);
err_out1:
return ret;
kfree(kingsun->speed_setuprequest);
kfree(kingsun->tx_buf_clear);
+ kfree(kingsun->rx_buf);
free_netdev(kingsun->netdev);
usb_set_intfdata(intf, NULL);