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62 |
marcus.erl |
/*
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* Copyright (c) 1999-2005 Petko Manolov (petkan@users.sourceforge.net)
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* ChangeLog:
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* .... Most of the time spent on reading sources & docs.
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* v0.2.x First official release for the Linux kernel.
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* v0.3.0 Beutified and structured, some bugs fixed.
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* v0.3.x URBifying bulk requests and bugfixing. First relatively
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* stable release. Still can touch device's registers only
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* from top-halves.
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* v0.4.0 Control messages remained unurbified are now URBs.
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* Now we can touch the HW at any time.
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* v0.4.9 Control urbs again use process context to wait. Argh...
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* Some long standing bugs (enable_net_traffic) fixed.
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* Also nasty trick about resubmiting control urb from
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* interrupt context used. Please let me know how it
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* behaves. Pegasus II support added since this version.
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* TODO: suppressing HCD warnings spewage on disconnect.
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* v0.4.13 Ethernet address is now set at probe(), not at open()
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* time as this seems to break dhcpd.
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* v0.5.0 branch to 2.5.x kernels
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* v0.5.1 ethtool support added
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* v0.5.5 rx socket buffers are in a pool and the their allocation
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* is out of the interrupt routine.
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*/
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#include <linux/sched.h>
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#include <linux/slab.h>
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#include <linux/init.h>
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#include <linux/delay.h>
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#include <linux/netdevice.h>
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#include <linux/etherdevice.h>
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#include <linux/ethtool.h>
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#include <linux/mii.h>
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#include <linux/usb.h>
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#include <linux/module.h>
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#include <asm/byteorder.h>
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#include <asm/uaccess.h>
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#include "pegasus.h"
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/*
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* Version Information
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*/
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#define DRIVER_VERSION "v0.6.14 (2006/09/27)"
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#define DRIVER_AUTHOR "Petko Manolov <petkan@users.sourceforge.net>"
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#define DRIVER_DESC "Pegasus/Pegasus II USB Ethernet driver"
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static const char driver_name[] = "pegasus";
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#undef PEGASUS_WRITE_EEPROM
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#define BMSR_MEDIA (BMSR_10HALF | BMSR_10FULL | BMSR_100HALF | \
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BMSR_100FULL | BMSR_ANEGCAPABLE)
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static int loopback = 0;
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static int mii_mode = 0;
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static char *devid=NULL;
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| 62 |
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static struct usb_eth_dev usb_dev_id[] = {
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#define PEGASUS_DEV(pn, vid, pid, flags) \
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{.name = pn, .vendor = vid, .device = pid, .private = flags},
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#include "pegasus.h"
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#undef PEGASUS_DEV
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{NULL, 0, 0, 0},
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{NULL, 0, 0, 0}
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};
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static struct usb_device_id pegasus_ids[] = {
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#define PEGASUS_DEV(pn, vid, pid, flags) \
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{.match_flags = USB_DEVICE_ID_MATCH_DEVICE, .idVendor = vid, .idProduct = pid},
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#include "pegasus.h"
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#undef PEGASUS_DEV
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{},
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{}
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};
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MODULE_AUTHOR(DRIVER_AUTHOR);
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MODULE_DESCRIPTION(DRIVER_DESC);
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MODULE_LICENSE("GPL");
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module_param(loopback, bool, 0);
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module_param(mii_mode, bool, 0);
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module_param(devid, charp, 0);
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MODULE_PARM_DESC(loopback, "Enable MAC loopback mode (bit 0)");
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MODULE_PARM_DESC(mii_mode, "Enable HomePNA mode (bit 0),default=MII mode = 0");
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| 88 |
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MODULE_PARM_DESC(devid, "The format is: 'DEV_name:VendorID:DeviceID:Flags'");
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| 90 |
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/* use ethtool to change the level for any given device */
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static int msg_level = -1;
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module_param (msg_level, int, 0);
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MODULE_PARM_DESC (msg_level, "Override default message level");
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| 95 |
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MODULE_DEVICE_TABLE(usb, pegasus_ids);
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static int update_eth_regs_async(pegasus_t *);
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/* Aargh!!! I _really_ hate such tweaks */
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static void ctrl_callback(struct urb *urb)
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{
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pegasus_t *pegasus = urb->context;
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| 103 |
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if (!pegasus)
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return;
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switch (urb->status) {
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case 0:
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if (pegasus->flags & ETH_REGS_CHANGE) {
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pegasus->flags &= ~ETH_REGS_CHANGE;
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pegasus->flags |= ETH_REGS_CHANGED;
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update_eth_regs_async(pegasus);
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return;
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}
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break;
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case -EINPROGRESS:
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return;
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case -ENOENT:
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break;
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default:
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if (netif_msg_drv(pegasus))
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dev_dbg(&pegasus->intf->dev, "%s, status %d\n",
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__FUNCTION__, urb->status);
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}
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| 124 |
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pegasus->flags &= ~ETH_REGS_CHANGED;
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| 125 |
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wake_up(&pegasus->ctrl_wait);
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}
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| 128 |
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static int get_registers(pegasus_t * pegasus, __u16 indx, __u16 size,
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void *data)
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{
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| 131 |
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int ret;
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| 132 |
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char *buffer;
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| 133 |
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DECLARE_WAITQUEUE(wait, current);
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| 134 |
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| 135 |
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buffer = kmalloc(size, GFP_KERNEL);
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| 136 |
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if (!buffer) {
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if (netif_msg_drv(pegasus))
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dev_warn(&pegasus->intf->dev, "out of memory in %s\n",
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__FUNCTION__);
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return -ENOMEM;
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| 141 |
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}
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| 142 |
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add_wait_queue(&pegasus->ctrl_wait, &wait);
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set_current_state(TASK_UNINTERRUPTIBLE);
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while (pegasus->flags & ETH_REGS_CHANGED)
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schedule();
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remove_wait_queue(&pegasus->ctrl_wait, &wait);
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set_current_state(TASK_RUNNING);
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pegasus->dr.bRequestType = PEGASUS_REQT_READ;
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pegasus->dr.bRequest = PEGASUS_REQ_GET_REGS;
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pegasus->dr.wValue = cpu_to_le16(0);
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pegasus->dr.wIndex = cpu_to_le16p(&indx);
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pegasus->dr.wLength = cpu_to_le16p(&size);
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pegasus->ctrl_urb->transfer_buffer_length = size;
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usb_fill_control_urb(pegasus->ctrl_urb, pegasus->usb,
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usb_rcvctrlpipe(pegasus->usb, 0),
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(char *) &pegasus->dr,
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buffer, size, ctrl_callback, pegasus);
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| 161 |
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add_wait_queue(&pegasus->ctrl_wait, &wait);
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set_current_state(TASK_UNINTERRUPTIBLE);
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/* using ATOMIC, we'd never wake up if we slept */
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if ((ret = usb_submit_urb(pegasus->ctrl_urb, GFP_ATOMIC))) {
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set_current_state(TASK_RUNNING);
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if (ret == -ENODEV)
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netif_device_detach(pegasus->net);
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if (netif_msg_drv(pegasus))
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dev_err(&pegasus->intf->dev, "%s, status %d\n",
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__FUNCTION__, ret);
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goto out;
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}
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| 175 |
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schedule();
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out:
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remove_wait_queue(&pegasus->ctrl_wait, &wait);
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| 178 |
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memcpy(data, buffer, size);
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kfree(buffer);
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| 180 |
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| 181 |
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return ret;
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| 182 |
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}
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| 183 |
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| 184 |
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static int set_registers(pegasus_t * pegasus, __u16 indx, __u16 size,
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| 185 |
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void *data)
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| 186 |
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{
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| 187 |
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int ret;
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| 188 |
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char *buffer;
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| 189 |
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DECLARE_WAITQUEUE(wait, current);
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| 190 |
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| 191 |
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buffer = kmalloc(size, GFP_KERNEL);
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| 192 |
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if (!buffer) {
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| 193 |
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if (netif_msg_drv(pegasus))
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| 194 |
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dev_warn(&pegasus->intf->dev, "out of memory in %s\n",
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| 195 |
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__FUNCTION__);
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| 196 |
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return -ENOMEM;
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| 197 |
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}
|
| 198 |
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memcpy(buffer, data, size);
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| 199 |
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| 200 |
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add_wait_queue(&pegasus->ctrl_wait, &wait);
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| 201 |
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set_current_state(TASK_UNINTERRUPTIBLE);
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| 202 |
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while (pegasus->flags & ETH_REGS_CHANGED)
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| 203 |
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schedule();
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| 204 |
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remove_wait_queue(&pegasus->ctrl_wait, &wait);
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| 205 |
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set_current_state(TASK_RUNNING);
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| 206 |
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|
|
| 207 |
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pegasus->dr.bRequestType = PEGASUS_REQT_WRITE;
|
| 208 |
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pegasus->dr.bRequest = PEGASUS_REQ_SET_REGS;
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| 209 |
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pegasus->dr.wValue = cpu_to_le16(0);
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| 210 |
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pegasus->dr.wIndex = cpu_to_le16p(&indx);
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| 211 |
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pegasus->dr.wLength = cpu_to_le16p(&size);
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| 212 |
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pegasus->ctrl_urb->transfer_buffer_length = size;
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| 213 |
|
|
|
| 214 |
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usb_fill_control_urb(pegasus->ctrl_urb, pegasus->usb,
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| 215 |
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usb_sndctrlpipe(pegasus->usb, 0),
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| 216 |
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(char *) &pegasus->dr,
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| 217 |
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buffer, size, ctrl_callback, pegasus);
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| 218 |
|
|
|
| 219 |
|
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add_wait_queue(&pegasus->ctrl_wait, &wait);
|
| 220 |
|
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set_current_state(TASK_UNINTERRUPTIBLE);
|
| 221 |
|
|
|
| 222 |
|
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if ((ret = usb_submit_urb(pegasus->ctrl_urb, GFP_ATOMIC))) {
|
| 223 |
|
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if (ret == -ENODEV)
|
| 224 |
|
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netif_device_detach(pegasus->net);
|
| 225 |
|
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if (netif_msg_drv(pegasus))
|
| 226 |
|
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dev_err(&pegasus->intf->dev, "%s, status %d\n",
|
| 227 |
|
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__FUNCTION__, ret);
|
| 228 |
|
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goto out;
|
| 229 |
|
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}
|
| 230 |
|
|
|
| 231 |
|
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schedule();
|
| 232 |
|
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out:
|
| 233 |
|
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remove_wait_queue(&pegasus->ctrl_wait, &wait);
|
| 234 |
|
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kfree(buffer);
|
| 235 |
|
|
|
| 236 |
|
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return ret;
|
| 237 |
|
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}
|
| 238 |
|
|
|
| 239 |
|
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static int set_register(pegasus_t * pegasus, __u16 indx, __u8 data)
|
| 240 |
|
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{
|
| 241 |
|
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int ret;
|
| 242 |
|
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char *tmp;
|
| 243 |
|
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DECLARE_WAITQUEUE(wait, current);
|
| 244 |
|
|
|
| 245 |
|
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tmp = kmalloc(1, GFP_KERNEL);
|
| 246 |
|
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if (!tmp) {
|
| 247 |
|
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if (netif_msg_drv(pegasus))
|
| 248 |
|
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dev_warn(&pegasus->intf->dev, "out of memory in %s\n",
|
| 249 |
|
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__FUNCTION__);
|
| 250 |
|
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return -ENOMEM;
|
| 251 |
|
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}
|
| 252 |
|
|
memcpy(tmp, &data, 1);
|
| 253 |
|
|
add_wait_queue(&pegasus->ctrl_wait, &wait);
|
| 254 |
|
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set_current_state(TASK_UNINTERRUPTIBLE);
|
| 255 |
|
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while (pegasus->flags & ETH_REGS_CHANGED)
|
| 256 |
|
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schedule();
|
| 257 |
|
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remove_wait_queue(&pegasus->ctrl_wait, &wait);
|
| 258 |
|
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set_current_state(TASK_RUNNING);
|
| 259 |
|
|
|
| 260 |
|
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pegasus->dr.bRequestType = PEGASUS_REQT_WRITE;
|
| 261 |
|
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pegasus->dr.bRequest = PEGASUS_REQ_SET_REG;
|
| 262 |
|
|
pegasus->dr.wValue = cpu_to_le16(data);
|
| 263 |
|
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pegasus->dr.wIndex = cpu_to_le16p(&indx);
|
| 264 |
|
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pegasus->dr.wLength = cpu_to_le16(1);
|
| 265 |
|
|
pegasus->ctrl_urb->transfer_buffer_length = 1;
|
| 266 |
|
|
|
| 267 |
|
|
usb_fill_control_urb(pegasus->ctrl_urb, pegasus->usb,
|
| 268 |
|
|
usb_sndctrlpipe(pegasus->usb, 0),
|
| 269 |
|
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(char *) &pegasus->dr,
|
| 270 |
|
|
tmp, 1, ctrl_callback, pegasus);
|
| 271 |
|
|
|
| 272 |
|
|
add_wait_queue(&pegasus->ctrl_wait, &wait);
|
| 273 |
|
|
set_current_state(TASK_UNINTERRUPTIBLE);
|
| 274 |
|
|
|
| 275 |
|
|
if ((ret = usb_submit_urb(pegasus->ctrl_urb, GFP_ATOMIC))) {
|
| 276 |
|
|
if (ret == -ENODEV)
|
| 277 |
|
|
netif_device_detach(pegasus->net);
|
| 278 |
|
|
if (netif_msg_drv(pegasus))
|
| 279 |
|
|
dev_err(&pegasus->intf->dev, "%s, status %d\n",
|
| 280 |
|
|
__FUNCTION__, ret);
|
| 281 |
|
|
goto out;
|
| 282 |
|
|
}
|
| 283 |
|
|
|
| 284 |
|
|
schedule();
|
| 285 |
|
|
out:
|
| 286 |
|
|
remove_wait_queue(&pegasus->ctrl_wait, &wait);
|
| 287 |
|
|
kfree(tmp);
|
| 288 |
|
|
|
| 289 |
|
|
return ret;
|
| 290 |
|
|
}
|
| 291 |
|
|
|
| 292 |
|
|
static int update_eth_regs_async(pegasus_t * pegasus)
|
| 293 |
|
|
{
|
| 294 |
|
|
int ret;
|
| 295 |
|
|
|
| 296 |
|
|
pegasus->dr.bRequestType = PEGASUS_REQT_WRITE;
|
| 297 |
|
|
pegasus->dr.bRequest = PEGASUS_REQ_SET_REGS;
|
| 298 |
|
|
pegasus->dr.wValue = 0;
|
| 299 |
|
|
pegasus->dr.wIndex = cpu_to_le16(EthCtrl0);
|
| 300 |
|
|
pegasus->dr.wLength = cpu_to_le16(3);
|
| 301 |
|
|
pegasus->ctrl_urb->transfer_buffer_length = 3;
|
| 302 |
|
|
|
| 303 |
|
|
usb_fill_control_urb(pegasus->ctrl_urb, pegasus->usb,
|
| 304 |
|
|
usb_sndctrlpipe(pegasus->usb, 0),
|
| 305 |
|
|
(char *) &pegasus->dr,
|
| 306 |
|
|
pegasus->eth_regs, 3, ctrl_callback, pegasus);
|
| 307 |
|
|
|
| 308 |
|
|
if ((ret = usb_submit_urb(pegasus->ctrl_urb, GFP_ATOMIC))) {
|
| 309 |
|
|
if (ret == -ENODEV)
|
| 310 |
|
|
netif_device_detach(pegasus->net);
|
| 311 |
|
|
if (netif_msg_drv(pegasus))
|
| 312 |
|
|
dev_err(&pegasus->intf->dev, "%s, status %d\n",
|
| 313 |
|
|
__FUNCTION__, ret);
|
| 314 |
|
|
}
|
| 315 |
|
|
|
| 316 |
|
|
return ret;
|
| 317 |
|
|
}
|
| 318 |
|
|
|
| 319 |
|
|
/* Returns 0 on success, error on failure */
|
| 320 |
|
|
static int read_mii_word(pegasus_t * pegasus, __u8 phy, __u8 indx, __u16 * regd)
|
| 321 |
|
|
{
|
| 322 |
|
|
int i;
|
| 323 |
|
|
__u8 data[4] = { phy, 0, 0, indx };
|
| 324 |
|
|
__le16 regdi;
|
| 325 |
|
|
int ret;
|
| 326 |
|
|
|
| 327 |
|
|
set_register(pegasus, PhyCtrl, 0);
|
| 328 |
|
|
set_registers(pegasus, PhyAddr, sizeof (data), data);
|
| 329 |
|
|
set_register(pegasus, PhyCtrl, (indx | PHY_READ));
|
| 330 |
|
|
for (i = 0; i < REG_TIMEOUT; i++) {
|
| 331 |
|
|
ret = get_registers(pegasus, PhyCtrl, 1, data);
|
| 332 |
|
|
if (ret == -ESHUTDOWN)
|
| 333 |
|
|
goto fail;
|
| 334 |
|
|
if (data[0] & PHY_DONE)
|
| 335 |
|
|
break;
|
| 336 |
|
|
}
|
| 337 |
|
|
if (i < REG_TIMEOUT) {
|
| 338 |
|
|
ret = get_registers(pegasus, PhyData, 2, ®di);
|
| 339 |
|
|
*regd = le16_to_cpu(regdi);
|
| 340 |
|
|
return ret;
|
| 341 |
|
|
}
|
| 342 |
|
|
fail:
|
| 343 |
|
|
if (netif_msg_drv(pegasus))
|
| 344 |
|
|
dev_warn(&pegasus->intf->dev, "%s failed\n", __FUNCTION__);
|
| 345 |
|
|
|
| 346 |
|
|
return ret;
|
| 347 |
|
|
}
|
| 348 |
|
|
|
| 349 |
|
|
static int mdio_read(struct net_device *dev, int phy_id, int loc)
|
| 350 |
|
|
{
|
| 351 |
|
|
pegasus_t *pegasus = (pegasus_t *) netdev_priv(dev);
|
| 352 |
|
|
u16 res;
|
| 353 |
|
|
|
| 354 |
|
|
read_mii_word(pegasus, phy_id, loc, &res);
|
| 355 |
|
|
return (int)res;
|
| 356 |
|
|
}
|
| 357 |
|
|
|
| 358 |
|
|
static int write_mii_word(pegasus_t * pegasus, __u8 phy, __u8 indx, __u16 regd)
|
| 359 |
|
|
{
|
| 360 |
|
|
int i;
|
| 361 |
|
|
__u8 data[4] = { phy, 0, 0, indx };
|
| 362 |
|
|
int ret;
|
| 363 |
|
|
|
| 364 |
|
|
data[1] = (u8) regd;
|
| 365 |
|
|
data[2] = (u8) (regd >> 8);
|
| 366 |
|
|
set_register(pegasus, PhyCtrl, 0);
|
| 367 |
|
|
set_registers(pegasus, PhyAddr, sizeof(data), data);
|
| 368 |
|
|
set_register(pegasus, PhyCtrl, (indx | PHY_WRITE));
|
| 369 |
|
|
for (i = 0; i < REG_TIMEOUT; i++) {
|
| 370 |
|
|
ret = get_registers(pegasus, PhyCtrl, 1, data);
|
| 371 |
|
|
if (ret == -ESHUTDOWN)
|
| 372 |
|
|
goto fail;
|
| 373 |
|
|
if (data[0] & PHY_DONE)
|
| 374 |
|
|
break;
|
| 375 |
|
|
}
|
| 376 |
|
|
if (i < REG_TIMEOUT)
|
| 377 |
|
|
return ret;
|
| 378 |
|
|
|
| 379 |
|
|
fail:
|
| 380 |
|
|
if (netif_msg_drv(pegasus))
|
| 381 |
|
|
dev_warn(&pegasus->intf->dev, "%s failed\n", __FUNCTION__);
|
| 382 |
|
|
return -ETIMEDOUT;
|
| 383 |
|
|
}
|
| 384 |
|
|
|
| 385 |
|
|
static void mdio_write(struct net_device *dev, int phy_id, int loc, int val)
|
| 386 |
|
|
{
|
| 387 |
|
|
pegasus_t *pegasus = (pegasus_t *) netdev_priv(dev);
|
| 388 |
|
|
|
| 389 |
|
|
write_mii_word(pegasus, phy_id, loc, val);
|
| 390 |
|
|
}
|
| 391 |
|
|
|
| 392 |
|
|
static int read_eprom_word(pegasus_t * pegasus, __u8 index, __u16 * retdata)
|
| 393 |
|
|
{
|
| 394 |
|
|
int i;
|
| 395 |
|
|
__u8 tmp;
|
| 396 |
|
|
__le16 retdatai;
|
| 397 |
|
|
int ret;
|
| 398 |
|
|
|
| 399 |
|
|
set_register(pegasus, EpromCtrl, 0);
|
| 400 |
|
|
set_register(pegasus, EpromOffset, index);
|
| 401 |
|
|
set_register(pegasus, EpromCtrl, EPROM_READ);
|
| 402 |
|
|
|
| 403 |
|
|
for (i = 0; i < REG_TIMEOUT; i++) {
|
| 404 |
|
|
ret = get_registers(pegasus, EpromCtrl, 1, &tmp);
|
| 405 |
|
|
if (tmp & EPROM_DONE)
|
| 406 |
|
|
break;
|
| 407 |
|
|
if (ret == -ESHUTDOWN)
|
| 408 |
|
|
goto fail;
|
| 409 |
|
|
}
|
| 410 |
|
|
if (i < REG_TIMEOUT) {
|
| 411 |
|
|
ret = get_registers(pegasus, EpromData, 2, &retdatai);
|
| 412 |
|
|
*retdata = le16_to_cpu(retdatai);
|
| 413 |
|
|
return ret;
|
| 414 |
|
|
}
|
| 415 |
|
|
|
| 416 |
|
|
fail:
|
| 417 |
|
|
if (netif_msg_drv(pegasus))
|
| 418 |
|
|
dev_warn(&pegasus->intf->dev, "%s failed\n", __FUNCTION__);
|
| 419 |
|
|
return -ETIMEDOUT;
|
| 420 |
|
|
}
|
| 421 |
|
|
|
| 422 |
|
|
#ifdef PEGASUS_WRITE_EEPROM
|
| 423 |
|
|
static inline void enable_eprom_write(pegasus_t * pegasus)
|
| 424 |
|
|
{
|
| 425 |
|
|
__u8 tmp;
|
| 426 |
|
|
int ret;
|
| 427 |
|
|
|
| 428 |
|
|
get_registers(pegasus, EthCtrl2, 1, &tmp);
|
| 429 |
|
|
set_register(pegasus, EthCtrl2, tmp | EPROM_WR_ENABLE);
|
| 430 |
|
|
}
|
| 431 |
|
|
|
| 432 |
|
|
static inline void disable_eprom_write(pegasus_t * pegasus)
|
| 433 |
|
|
{
|
| 434 |
|
|
__u8 tmp;
|
| 435 |
|
|
int ret;
|
| 436 |
|
|
|
| 437 |
|
|
get_registers(pegasus, EthCtrl2, 1, &tmp);
|
| 438 |
|
|
set_register(pegasus, EpromCtrl, 0);
|
| 439 |
|
|
set_register(pegasus, EthCtrl2, tmp & ~EPROM_WR_ENABLE);
|
| 440 |
|
|
}
|
| 441 |
|
|
|
| 442 |
|
|
static int write_eprom_word(pegasus_t * pegasus, __u8 index, __u16 data)
|
| 443 |
|
|
{
|
| 444 |
|
|
int i;
|
| 445 |
|
|
__u8 tmp, d[4] = { 0x3f, 0, 0, EPROM_WRITE };
|
| 446 |
|
|
int ret;
|
| 447 |
|
|
|
| 448 |
|
|
set_registers(pegasus, EpromOffset, 4, d);
|
| 449 |
|
|
enable_eprom_write(pegasus);
|
| 450 |
|
|
set_register(pegasus, EpromOffset, index);
|
| 451 |
|
|
set_registers(pegasus, EpromData, 2, &data);
|
| 452 |
|
|
set_register(pegasus, EpromCtrl, EPROM_WRITE);
|
| 453 |
|
|
|
| 454 |
|
|
for (i = 0; i < REG_TIMEOUT; i++) {
|
| 455 |
|
|
ret = get_registers(pegasus, EpromCtrl, 1, &tmp);
|
| 456 |
|
|
if (ret == -ESHUTDOWN)
|
| 457 |
|
|
goto fail;
|
| 458 |
|
|
if (tmp & EPROM_DONE)
|
| 459 |
|
|
break;
|
| 460 |
|
|
}
|
| 461 |
|
|
disable_eprom_write(pegasus);
|
| 462 |
|
|
if (i < REG_TIMEOUT)
|
| 463 |
|
|
return ret;
|
| 464 |
|
|
fail:
|
| 465 |
|
|
if (netif_msg_drv(pegasus))
|
| 466 |
|
|
dev_warn(&pegasus->intf->dev, "%s failed\n", __FUNCTION__);
|
| 467 |
|
|
return -ETIMEDOUT;
|
| 468 |
|
|
}
|
| 469 |
|
|
#endif /* PEGASUS_WRITE_EEPROM */
|
| 470 |
|
|
|
| 471 |
|
|
static inline void get_node_id(pegasus_t * pegasus, __u8 * id)
|
| 472 |
|
|
{
|
| 473 |
|
|
int i;
|
| 474 |
|
|
__u16 w16;
|
| 475 |
|
|
|
| 476 |
|
|
for (i = 0; i < 3; i++) {
|
| 477 |
|
|
read_eprom_word(pegasus, i, &w16);
|
| 478 |
|
|
((__le16 *) id)[i] = cpu_to_le16p(&w16);
|
| 479 |
|
|
}
|
| 480 |
|
|
}
|
| 481 |
|
|
|
| 482 |
|
|
static void set_ethernet_addr(pegasus_t * pegasus)
|
| 483 |
|
|
{
|
| 484 |
|
|
__u8 node_id[6];
|
| 485 |
|
|
|
| 486 |
|
|
if (pegasus->features & PEGASUS_II) {
|
| 487 |
|
|
get_registers(pegasus, 0x10, sizeof(node_id), node_id);
|
| 488 |
|
|
} else {
|
| 489 |
|
|
get_node_id(pegasus, node_id);
|
| 490 |
|
|
set_registers(pegasus, EthID, sizeof (node_id), node_id);
|
| 491 |
|
|
}
|
| 492 |
|
|
memcpy(pegasus->net->dev_addr, node_id, sizeof (node_id));
|
| 493 |
|
|
}
|
| 494 |
|
|
|
| 495 |
|
|
static inline int reset_mac(pegasus_t * pegasus)
|
| 496 |
|
|
{
|
| 497 |
|
|
__u8 data = 0x8;
|
| 498 |
|
|
int i;
|
| 499 |
|
|
|
| 500 |
|
|
set_register(pegasus, EthCtrl1, data);
|
| 501 |
|
|
for (i = 0; i < REG_TIMEOUT; i++) {
|
| 502 |
|
|
get_registers(pegasus, EthCtrl1, 1, &data);
|
| 503 |
|
|
if (~data & 0x08) {
|
| 504 |
|
|
if (loopback & 1)
|
| 505 |
|
|
break;
|
| 506 |
|
|
if (mii_mode && (pegasus->features & HAS_HOME_PNA))
|
| 507 |
|
|
set_register(pegasus, Gpio1, 0x34);
|
| 508 |
|
|
else
|
| 509 |
|
|
set_register(pegasus, Gpio1, 0x26);
|
| 510 |
|
|
set_register(pegasus, Gpio0, pegasus->features);
|
| 511 |
|
|
set_register(pegasus, Gpio0, DEFAULT_GPIO_SET);
|
| 512 |
|
|
break;
|
| 513 |
|
|
}
|
| 514 |
|
|
}
|
| 515 |
|
|
if (i == REG_TIMEOUT)
|
| 516 |
|
|
return -ETIMEDOUT;
|
| 517 |
|
|
|
| 518 |
|
|
if (usb_dev_id[pegasus->dev_index].vendor == VENDOR_LINKSYS ||
|
| 519 |
|
|
usb_dev_id[pegasus->dev_index].vendor == VENDOR_DLINK) {
|
| 520 |
|
|
set_register(pegasus, Gpio0, 0x24);
|
| 521 |
|
|
set_register(pegasus, Gpio0, 0x26);
|
| 522 |
|
|
}
|
| 523 |
|
|
if (usb_dev_id[pegasus->dev_index].vendor == VENDOR_ELCON) {
|
| 524 |
|
|
__u16 auxmode;
|
| 525 |
|
|
read_mii_word(pegasus, 3, 0x1b, &auxmode);
|
| 526 |
|
|
write_mii_word(pegasus, 3, 0x1b, auxmode | 4);
|
| 527 |
|
|
}
|
| 528 |
|
|
|
| 529 |
|
|
return 0;
|
| 530 |
|
|
}
|
| 531 |
|
|
|
| 532 |
|
|
static int enable_net_traffic(struct net_device *dev, struct usb_device *usb)
|
| 533 |
|
|
{
|
| 534 |
|
|
__u16 linkpart;
|
| 535 |
|
|
__u8 data[4];
|
| 536 |
|
|
pegasus_t *pegasus = netdev_priv(dev);
|
| 537 |
|
|
int ret;
|
| 538 |
|
|
|
| 539 |
|
|
read_mii_word(pegasus, pegasus->phy, MII_LPA, &linkpart);
|
| 540 |
|
|
data[0] = 0xc9;
|
| 541 |
|
|
data[1] = 0;
|
| 542 |
|
|
if (linkpart & (ADVERTISE_100FULL | ADVERTISE_10FULL))
|
| 543 |
|
|
data[1] |= 0x20; /* set full duplex */
|
| 544 |
|
|
if (linkpart & (ADVERTISE_100FULL | ADVERTISE_100HALF))
|
| 545 |
|
|
data[1] |= 0x10; /* set 100 Mbps */
|
| 546 |
|
|
if (mii_mode)
|
| 547 |
|
|
data[1] = 0;
|
| 548 |
|
|
data[2] = (loopback & 1) ? 0x09 : 0x01;
|
| 549 |
|
|
|
| 550 |
|
|
memcpy(pegasus->eth_regs, data, sizeof (data));
|
| 551 |
|
|
ret = set_registers(pegasus, EthCtrl0, 3, data);
|
| 552 |
|
|
|
| 553 |
|
|
if (usb_dev_id[pegasus->dev_index].vendor == VENDOR_LINKSYS ||
|
| 554 |
|
|
usb_dev_id[pegasus->dev_index].vendor == VENDOR_LINKSYS2 ||
|
| 555 |
|
|
usb_dev_id[pegasus->dev_index].vendor == VENDOR_DLINK) {
|
| 556 |
|
|
u16 auxmode;
|
| 557 |
|
|
read_mii_word(pegasus, 0, 0x1b, &auxmode);
|
| 558 |
|
|
write_mii_word(pegasus, 0, 0x1b, auxmode | 4);
|
| 559 |
|
|
}
|
| 560 |
|
|
|
| 561 |
|
|
return ret;
|
| 562 |
|
|
}
|
| 563 |
|
|
|
| 564 |
|
|
static void fill_skb_pool(pegasus_t * pegasus)
|
| 565 |
|
|
{
|
| 566 |
|
|
int i;
|
| 567 |
|
|
|
| 568 |
|
|
for (i = 0; i < RX_SKBS; i++) {
|
| 569 |
|
|
if (pegasus->rx_pool[i])
|
| 570 |
|
|
continue;
|
| 571 |
|
|
pegasus->rx_pool[i] = dev_alloc_skb(PEGASUS_MTU + 2);
|
| 572 |
|
|
/*
|
| 573 |
|
|
** we give up if the allocation fail. the tasklet will be
|
| 574 |
|
|
** rescheduled again anyway...
|
| 575 |
|
|
*/
|
| 576 |
|
|
if (pegasus->rx_pool[i] == NULL)
|
| 577 |
|
|
return;
|
| 578 |
|
|
skb_reserve(pegasus->rx_pool[i], 2);
|
| 579 |
|
|
}
|
| 580 |
|
|
}
|
| 581 |
|
|
|
| 582 |
|
|
static void free_skb_pool(pegasus_t * pegasus)
|
| 583 |
|
|
{
|
| 584 |
|
|
int i;
|
| 585 |
|
|
|
| 586 |
|
|
for (i = 0; i < RX_SKBS; i++) {
|
| 587 |
|
|
if (pegasus->rx_pool[i]) {
|
| 588 |
|
|
dev_kfree_skb(pegasus->rx_pool[i]);
|
| 589 |
|
|
pegasus->rx_pool[i] = NULL;
|
| 590 |
|
|
}
|
| 591 |
|
|
}
|
| 592 |
|
|
}
|
| 593 |
|
|
|
| 594 |
|
|
static inline struct sk_buff *pull_skb(pegasus_t * pegasus)
|
| 595 |
|
|
{
|
| 596 |
|
|
int i;
|
| 597 |
|
|
struct sk_buff *skb;
|
| 598 |
|
|
|
| 599 |
|
|
for (i = 0; i < RX_SKBS; i++) {
|
| 600 |
|
|
if (likely(pegasus->rx_pool[i] != NULL)) {
|
| 601 |
|
|
skb = pegasus->rx_pool[i];
|
| 602 |
|
|
pegasus->rx_pool[i] = NULL;
|
| 603 |
|
|
return skb;
|
| 604 |
|
|
}
|
| 605 |
|
|
}
|
| 606 |
|
|
return NULL;
|
| 607 |
|
|
}
|
| 608 |
|
|
|
| 609 |
|
|
static void read_bulk_callback(struct urb *urb)
|
| 610 |
|
|
{
|
| 611 |
|
|
pegasus_t *pegasus = urb->context;
|
| 612 |
|
|
struct net_device *net;
|
| 613 |
|
|
int rx_status, count = urb->actual_length;
|
| 614 |
|
|
u8 *buf = urb->transfer_buffer;
|
| 615 |
|
|
__u16 pkt_len;
|
| 616 |
|
|
|
| 617 |
|
|
if (!pegasus)
|
| 618 |
|
|
return;
|
| 619 |
|
|
|
| 620 |
|
|
net = pegasus->net;
|
| 621 |
|
|
if (!netif_device_present(net) || !netif_running(net))
|
| 622 |
|
|
return;
|
| 623 |
|
|
|
| 624 |
|
|
switch (urb->status) {
|
| 625 |
|
|
case 0:
|
| 626 |
|
|
break;
|
| 627 |
|
|
case -ETIME:
|
| 628 |
|
|
if (netif_msg_rx_err(pegasus))
|
| 629 |
|
|
pr_debug("%s: reset MAC\n", net->name);
|
| 630 |
|
|
pegasus->flags &= ~PEGASUS_RX_BUSY;
|
| 631 |
|
|
break;
|
| 632 |
|
|
case -EPIPE: /* stall, or disconnect from TT */
|
| 633 |
|
|
/* FIXME schedule work to clear the halt */
|
| 634 |
|
|
if (netif_msg_rx_err(pegasus))
|
| 635 |
|
|
printk(KERN_WARNING "%s: no rx stall recovery\n",
|
| 636 |
|
|
net->name);
|
| 637 |
|
|
return;
|
| 638 |
|
|
case -ENOENT:
|
| 639 |
|
|
case -ECONNRESET:
|
| 640 |
|
|
case -ESHUTDOWN:
|
| 641 |
|
|
if (netif_msg_ifdown(pegasus))
|
| 642 |
|
|
pr_debug("%s: rx unlink, %d\n", net->name, urb->status);
|
| 643 |
|
|
return;
|
| 644 |
|
|
default:
|
| 645 |
|
|
if (netif_msg_rx_err(pegasus))
|
| 646 |
|
|
pr_debug("%s: RX status %d\n", net->name, urb->status);
|
| 647 |
|
|
goto goon;
|
| 648 |
|
|
}
|
| 649 |
|
|
|
| 650 |
|
|
if (!count || count < 4)
|
| 651 |
|
|
goto goon;
|
| 652 |
|
|
|
| 653 |
|
|
rx_status = buf[count - 2];
|
| 654 |
|
|
if (rx_status & 0x1e) {
|
| 655 |
|
|
if (netif_msg_rx_err(pegasus))
|
| 656 |
|
|
pr_debug("%s: RX packet error %x\n",
|
| 657 |
|
|
net->name, rx_status);
|
| 658 |
|
|
pegasus->stats.rx_errors++;
|
| 659 |
|
|
if (rx_status & 0x06) // long or runt
|
| 660 |
|
|
pegasus->stats.rx_length_errors++;
|
| 661 |
|
|
if (rx_status & 0x08)
|
| 662 |
|
|
pegasus->stats.rx_crc_errors++;
|
| 663 |
|
|
if (rx_status & 0x10) // extra bits
|
| 664 |
|
|
pegasus->stats.rx_frame_errors++;
|
| 665 |
|
|
goto goon;
|
| 666 |
|
|
}
|
| 667 |
|
|
if (pegasus->chip == 0x8513) {
|
| 668 |
|
|
pkt_len = le32_to_cpu(*(__le32 *)urb->transfer_buffer);
|
| 669 |
|
|
pkt_len &= 0x0fff;
|
| 670 |
|
|
pegasus->rx_skb->data += 2;
|
| 671 |
|
|
} else {
|
| 672 |
|
|
pkt_len = buf[count - 3] << 8;
|
| 673 |
|
|
pkt_len += buf[count - 4];
|
| 674 |
|
|
pkt_len &= 0xfff;
|
| 675 |
|
|
pkt_len -= 8;
|
| 676 |
|
|
}
|
| 677 |
|
|
|
| 678 |
|
|
/*
|
| 679 |
|
|
* If the packet is unreasonably long, quietly drop it rather than
|
| 680 |
|
|
* kernel panicing by calling skb_put.
|
| 681 |
|
|
*/
|
| 682 |
|
|
if (pkt_len > PEGASUS_MTU)
|
| 683 |
|
|
goto goon;
|
| 684 |
|
|
|
| 685 |
|
|
/*
|
| 686 |
|
|
* at this point we are sure pegasus->rx_skb != NULL
|
| 687 |
|
|
* so we go ahead and pass up the packet.
|
| 688 |
|
|
*/
|
| 689 |
|
|
skb_put(pegasus->rx_skb, pkt_len);
|
| 690 |
|
|
pegasus->rx_skb->protocol = eth_type_trans(pegasus->rx_skb, net);
|
| 691 |
|
|
netif_rx(pegasus->rx_skb);
|
| 692 |
|
|
pegasus->stats.rx_packets++;
|
| 693 |
|
|
pegasus->stats.rx_bytes += pkt_len;
|
| 694 |
|
|
|
| 695 |
|
|
if (pegasus->flags & PEGASUS_UNPLUG)
|
| 696 |
|
|
return;
|
| 697 |
|
|
|
| 698 |
|
|
spin_lock(&pegasus->rx_pool_lock);
|
| 699 |
|
|
pegasus->rx_skb = pull_skb(pegasus);
|
| 700 |
|
|
spin_unlock(&pegasus->rx_pool_lock);
|
| 701 |
|
|
|
| 702 |
|
|
if (pegasus->rx_skb == NULL)
|
| 703 |
|
|
goto tl_sched;
|
| 704 |
|
|
goon:
|
| 705 |
|
|
usb_fill_bulk_urb(pegasus->rx_urb, pegasus->usb,
|
| 706 |
|
|
usb_rcvbulkpipe(pegasus->usb, 1),
|
| 707 |
|
|
pegasus->rx_skb->data, PEGASUS_MTU + 8,
|
| 708 |
|
|
read_bulk_callback, pegasus);
|
| 709 |
|
|
rx_status = usb_submit_urb(pegasus->rx_urb, GFP_ATOMIC);
|
| 710 |
|
|
if (rx_status == -ENODEV)
|
| 711 |
|
|
netif_device_detach(pegasus->net);
|
| 712 |
|
|
else if (rx_status) {
|
| 713 |
|
|
pegasus->flags |= PEGASUS_RX_URB_FAIL;
|
| 714 |
|
|
goto tl_sched;
|
| 715 |
|
|
} else {
|
| 716 |
|
|
pegasus->flags &= ~PEGASUS_RX_URB_FAIL;
|
| 717 |
|
|
}
|
| 718 |
|
|
|
| 719 |
|
|
return;
|
| 720 |
|
|
|
| 721 |
|
|
tl_sched:
|
| 722 |
|
|
tasklet_schedule(&pegasus->rx_tl);
|
| 723 |
|
|
}
|
| 724 |
|
|
|
| 725 |
|
|
static void rx_fixup(unsigned long data)
|
| 726 |
|
|
{
|
| 727 |
|
|
pegasus_t *pegasus;
|
| 728 |
|
|
unsigned long flags;
|
| 729 |
|
|
int status;
|
| 730 |
|
|
|
| 731 |
|
|
pegasus = (pegasus_t *) data;
|
| 732 |
|
|
if (pegasus->flags & PEGASUS_UNPLUG)
|
| 733 |
|
|
return;
|
| 734 |
|
|
|
| 735 |
|
|
spin_lock_irqsave(&pegasus->rx_pool_lock, flags);
|
| 736 |
|
|
fill_skb_pool(pegasus);
|
| 737 |
|
|
if (pegasus->flags & PEGASUS_RX_URB_FAIL)
|
| 738 |
|
|
if (pegasus->rx_skb)
|
| 739 |
|
|
goto try_again;
|
| 740 |
|
|
if (pegasus->rx_skb == NULL) {
|
| 741 |
|
|
pegasus->rx_skb = pull_skb(pegasus);
|
| 742 |
|
|
}
|
| 743 |
|
|
if (pegasus->rx_skb == NULL) {
|
| 744 |
|
|
if (netif_msg_rx_err(pegasus))
|
| 745 |
|
|
printk(KERN_WARNING "%s: low on memory\n",
|
| 746 |
|
|
pegasus->net->name);
|
| 747 |
|
|
tasklet_schedule(&pegasus->rx_tl);
|
| 748 |
|
|
goto done;
|
| 749 |
|
|
}
|
| 750 |
|
|
usb_fill_bulk_urb(pegasus->rx_urb, pegasus->usb,
|
| 751 |
|
|
usb_rcvbulkpipe(pegasus->usb, 1),
|
| 752 |
|
|
pegasus->rx_skb->data, PEGASUS_MTU + 8,
|
| 753 |
|
|
read_bulk_callback, pegasus);
|
| 754 |
|
|
try_again:
|
| 755 |
|
|
status = usb_submit_urb(pegasus->rx_urb, GFP_ATOMIC);
|
| 756 |
|
|
if (status == -ENODEV)
|
| 757 |
|
|
netif_device_detach(pegasus->net);
|
| 758 |
|
|
else if (status) {
|
| 759 |
|
|
pegasus->flags |= PEGASUS_RX_URB_FAIL;
|
| 760 |
|
|
tasklet_schedule(&pegasus->rx_tl);
|
| 761 |
|
|
} else {
|
| 762 |
|
|
pegasus->flags &= ~PEGASUS_RX_URB_FAIL;
|
| 763 |
|
|
}
|
| 764 |
|
|
done:
|
| 765 |
|
|
spin_unlock_irqrestore(&pegasus->rx_pool_lock, flags);
|
| 766 |
|
|
}
|
| 767 |
|
|
|
| 768 |
|
|
static void write_bulk_callback(struct urb *urb)
|
| 769 |
|
|
{
|
| 770 |
|
|
pegasus_t *pegasus = urb->context;
|
| 771 |
|
|
struct net_device *net;
|
| 772 |
|
|
|
| 773 |
|
|
if (!pegasus)
|
| 774 |
|
|
return;
|
| 775 |
|
|
|
| 776 |
|
|
net = pegasus->net;
|
| 777 |
|
|
|
| 778 |
|
|
if (!netif_device_present(net) || !netif_running(net))
|
| 779 |
|
|
return;
|
| 780 |
|
|
|
| 781 |
|
|
switch (urb->status) {
|
| 782 |
|
|
case -EPIPE:
|
| 783 |
|
|
/* FIXME schedule_work() to clear the tx halt */
|
| 784 |
|
|
netif_stop_queue(net);
|
| 785 |
|
|
if (netif_msg_tx_err(pegasus))
|
| 786 |
|
|
printk(KERN_WARNING "%s: no tx stall recovery\n",
|
| 787 |
|
|
net->name);
|
| 788 |
|
|
return;
|
| 789 |
|
|
case -ENOENT:
|
| 790 |
|
|
case -ECONNRESET:
|
| 791 |
|
|
case -ESHUTDOWN:
|
| 792 |
|
|
if (netif_msg_ifdown(pegasus))
|
| 793 |
|
|
pr_debug("%s: tx unlink, %d\n", net->name, urb->status);
|
| 794 |
|
|
return;
|
| 795 |
|
|
default:
|
| 796 |
|
|
if (netif_msg_tx_err(pegasus))
|
| 797 |
|
|
pr_info("%s: TX status %d\n", net->name, urb->status);
|
| 798 |
|
|
/* FALL THROUGH */
|
| 799 |
|
|
case 0:
|
| 800 |
|
|
break;
|
| 801 |
|
|
}
|
| 802 |
|
|
|
| 803 |
|
|
net->trans_start = jiffies;
|
| 804 |
|
|
netif_wake_queue(net);
|
| 805 |
|
|
}
|
| 806 |
|
|
|
| 807 |
|
|
static void intr_callback(struct urb *urb)
|
| 808 |
|
|
{
|
| 809 |
|
|
pegasus_t *pegasus = urb->context;
|
| 810 |
|
|
struct net_device *net;
|
| 811 |
|
|
int status;
|
| 812 |
|
|
|
| 813 |
|
|
if (!pegasus)
|
| 814 |
|
|
return;
|
| 815 |
|
|
net = pegasus->net;
|
| 816 |
|
|
|
| 817 |
|
|
switch (urb->status) {
|
| 818 |
|
|
case 0:
|
| 819 |
|
|
break;
|
| 820 |
|
|
case -ECONNRESET: /* unlink */
|
| 821 |
|
|
case -ENOENT:
|
| 822 |
|
|
case -ESHUTDOWN:
|
| 823 |
|
|
return;
|
| 824 |
|
|
default:
|
| 825 |
|
|
/* some Pegasus-I products report LOTS of data
|
| 826 |
|
|
* toggle errors... avoid log spamming
|
| 827 |
|
|
*/
|
| 828 |
|
|
if (netif_msg_timer(pegasus))
|
| 829 |
|
|
pr_debug("%s: intr status %d\n", net->name,
|
| 830 |
|
|
urb->status);
|
| 831 |
|
|
}
|
| 832 |
|
|
|
| 833 |
|
|
if (urb->actual_length >= 6) {
|
| 834 |
|
|
u8 * d = urb->transfer_buffer;
|
| 835 |
|
|
|
| 836 |
|
|
/* byte 0 == tx_status1, reg 2B */
|
| 837 |
|
|
if (d[0] & (TX_UNDERRUN|EXCESSIVE_COL
|
| 838 |
|
|
|LATE_COL|JABBER_TIMEOUT)) {
|
| 839 |
|
|
pegasus->stats.tx_errors++;
|
| 840 |
|
|
if (d[0] & TX_UNDERRUN)
|
| 841 |
|
|
pegasus->stats.tx_fifo_errors++;
|
| 842 |
|
|
if (d[0] & (EXCESSIVE_COL | JABBER_TIMEOUT))
|
| 843 |
|
|
pegasus->stats.tx_aborted_errors++;
|
| 844 |
|
|
if (d[0] & LATE_COL)
|
| 845 |
|
|
pegasus->stats.tx_window_errors++;
|
| 846 |
|
|
}
|
| 847 |
|
|
|
| 848 |
|
|
/* d[5].LINK_STATUS lies on some adapters.
|
| 849 |
|
|
* d[0].NO_CARRIER kicks in only with failed TX.
|
| 850 |
|
|
* ... so monitoring with MII may be safest.
|
| 851 |
|
|
*/
|
| 852 |
|
|
|
| 853 |
|
|
/* bytes 3-4 == rx_lostpkt, reg 2E/2F */
|
| 854 |
|
|
pegasus->stats.rx_missed_errors += ((d[3] & 0x7f) << 8) | d[4];
|
| 855 |
|
|
}
|
| 856 |
|
|
|
| 857 |
|
|
status = usb_submit_urb(urb, GFP_ATOMIC);
|
| 858 |
|
|
if (status == -ENODEV)
|
| 859 |
|
|
netif_device_detach(pegasus->net);
|
| 860 |
|
|
if (status && netif_msg_timer(pegasus))
|
| 861 |
|
|
printk(KERN_ERR "%s: can't resubmit interrupt urb, %d\n",
|
| 862 |
|
|
net->name, status);
|
| 863 |
|
|
}
|
| 864 |
|
|
|
| 865 |
|
|
static void pegasus_tx_timeout(struct net_device *net)
|
| 866 |
|
|
{
|
| 867 |
|
|
pegasus_t *pegasus = netdev_priv(net);
|
| 868 |
|
|
if (netif_msg_timer(pegasus))
|
| 869 |
|
|
printk(KERN_WARNING "%s: tx timeout\n", net->name);
|
| 870 |
|
|
usb_unlink_urb(pegasus->tx_urb);
|
| 871 |
|
|
pegasus->stats.tx_errors++;
|
| 872 |
|
|
}
|
| 873 |
|
|
|
| 874 |
|
|
static int pegasus_start_xmit(struct sk_buff *skb, struct net_device *net)
|
| 875 |
|
|
{
|
| 876 |
|
|
pegasus_t *pegasus = netdev_priv(net);
|
| 877 |
|
|
int count = ((skb->len + 2) & 0x3f) ? skb->len + 2 : skb->len + 3;
|
| 878 |
|
|
int res;
|
| 879 |
|
|
__u16 l16 = skb->len;
|
| 880 |
|
|
|
| 881 |
|
|
netif_stop_queue(net);
|
| 882 |
|
|
|
| 883 |
|
|
((__le16 *) pegasus->tx_buff)[0] = cpu_to_le16(l16);
|
| 884 |
|
|
skb_copy_from_linear_data(skb, pegasus->tx_buff + 2, skb->len);
|
| 885 |
|
|
usb_fill_bulk_urb(pegasus->tx_urb, pegasus->usb,
|
| 886 |
|
|
usb_sndbulkpipe(pegasus->usb, 2),
|
| 887 |
|
|
pegasus->tx_buff, count,
|
| 888 |
|
|
write_bulk_callback, pegasus);
|
| 889 |
|
|
if ((res = usb_submit_urb(pegasus->tx_urb, GFP_ATOMIC))) {
|
| 890 |
|
|
if (netif_msg_tx_err(pegasus))
|
| 891 |
|
|
printk(KERN_WARNING "%s: fail tx, %d\n",
|
| 892 |
|
|
net->name, res);
|
| 893 |
|
|
switch (res) {
|
| 894 |
|
|
case -EPIPE: /* stall, or disconnect from TT */
|
| 895 |
|
|
/* cleanup should already have been scheduled */
|
| 896 |
|
|
break;
|
| 897 |
|
|
case -ENODEV: /* disconnect() upcoming */
|
| 898 |
|
|
netif_device_detach(pegasus->net);
|
| 899 |
|
|
break;
|
| 900 |
|
|
default:
|
| 901 |
|
|
pegasus->stats.tx_errors++;
|
| 902 |
|
|
netif_start_queue(net);
|
| 903 |
|
|
}
|
| 904 |
|
|
} else {
|
| 905 |
|
|
pegasus->stats.tx_packets++;
|
| 906 |
|
|
pegasus->stats.tx_bytes += skb->len;
|
| 907 |
|
|
net->trans_start = jiffies;
|
| 908 |
|
|
}
|
| 909 |
|
|
dev_kfree_skb(skb);
|
| 910 |
|
|
|
| 911 |
|
|
return 0;
|
| 912 |
|
|
}
|
| 913 |
|
|
|
| 914 |
|
|
static struct net_device_stats *pegasus_netdev_stats(struct net_device *dev)
|
| 915 |
|
|
{
|
| 916 |
|
|
return &((pegasus_t *) netdev_priv(dev))->stats;
|
| 917 |
|
|
}
|
| 918 |
|
|
|
| 919 |
|
|
static inline void disable_net_traffic(pegasus_t * pegasus)
|
| 920 |
|
|
{
|
| 921 |
|
|
int tmp = 0;
|
| 922 |
|
|
|
| 923 |
|
|
set_registers(pegasus, EthCtrl0, 2, &tmp);
|
| 924 |
|
|
}
|
| 925 |
|
|
|
| 926 |
|
|
static inline void get_interrupt_interval(pegasus_t * pegasus)
|
| 927 |
|
|
{
|
| 928 |
|
|
__u8 data[2];
|
| 929 |
|
|
|
| 930 |
|
|
read_eprom_word(pegasus, 4, (__u16 *) data);
|
| 931 |
|
|
if (pegasus->usb->speed != USB_SPEED_HIGH) {
|
| 932 |
|
|
if (data[1] < 0x80) {
|
| 933 |
|
|
if (netif_msg_timer(pegasus))
|
| 934 |
|
|
dev_info(&pegasus->intf->dev, "intr interval "
|
| 935 |
|
|
"changed from %ums to %ums\n",
|
| 936 |
|
|
data[1], 0x80);
|
| 937 |
|
|
data[1] = 0x80;
|
| 938 |
|
|
#ifdef PEGASUS_WRITE_EEPROM
|
| 939 |
|
|
write_eprom_word(pegasus, 4, *(__u16 *) data);
|
| 940 |
|
|
#endif
|
| 941 |
|
|
}
|
| 942 |
|
|
}
|
| 943 |
|
|
pegasus->intr_interval = data[1];
|
| 944 |
|
|
}
|
| 945 |
|
|
|
| 946 |
|
|
static void set_carrier(struct net_device *net)
|
| 947 |
|
|
{
|
| 948 |
|
|
pegasus_t *pegasus = netdev_priv(net);
|
| 949 |
|
|
u16 tmp;
|
| 950 |
|
|
|
| 951 |
|
|
if (read_mii_word(pegasus, pegasus->phy, MII_BMSR, &tmp))
|
| 952 |
|
|
return;
|
| 953 |
|
|
|
| 954 |
|
|
if (tmp & BMSR_LSTATUS)
|
| 955 |
|
|
netif_carrier_on(net);
|
| 956 |
|
|
else
|
| 957 |
|
|
netif_carrier_off(net);
|
| 958 |
|
|
}
|
| 959 |
|
|
|
| 960 |
|
|
static void free_all_urbs(pegasus_t * pegasus)
|
| 961 |
|
|
{
|
| 962 |
|
|
usb_free_urb(pegasus->intr_urb);
|
| 963 |
|
|
usb_free_urb(pegasus->tx_urb);
|
| 964 |
|
|
usb_free_urb(pegasus->rx_urb);
|
| 965 |
|
|
usb_free_urb(pegasus->ctrl_urb);
|
| 966 |
|
|
}
|
| 967 |
|
|
|
| 968 |
|
|
static void unlink_all_urbs(pegasus_t * pegasus)
|
| 969 |
|
|
{
|
| 970 |
|
|
usb_kill_urb(pegasus->intr_urb);
|
| 971 |
|
|
usb_kill_urb(pegasus->tx_urb);
|
| 972 |
|
|
usb_kill_urb(pegasus->rx_urb);
|
| 973 |
|
|
usb_kill_urb(pegasus->ctrl_urb);
|
| 974 |
|
|
}
|
| 975 |
|
|
|
| 976 |
|
|
static int alloc_urbs(pegasus_t * pegasus)
|
| 977 |
|
|
{
|
| 978 |
|
|
pegasus->ctrl_urb = usb_alloc_urb(0, GFP_KERNEL);
|
| 979 |
|
|
if (!pegasus->ctrl_urb) {
|
| 980 |
|
|
return 0;
|
| 981 |
|
|
}
|
| 982 |
|
|
pegasus->rx_urb = usb_alloc_urb(0, GFP_KERNEL);
|
| 983 |
|
|
if (!pegasus->rx_urb) {
|
| 984 |
|
|
usb_free_urb(pegasus->ctrl_urb);
|
| 985 |
|
|
return 0;
|
| 986 |
|
|
}
|
| 987 |
|
|
pegasus->tx_urb = usb_alloc_urb(0, GFP_KERNEL);
|
| 988 |
|
|
if (!pegasus->tx_urb) {
|
| 989 |
|
|
usb_free_urb(pegasus->rx_urb);
|
| 990 |
|
|
usb_free_urb(pegasus->ctrl_urb);
|
| 991 |
|
|
return 0;
|
| 992 |
|
|
}
|
| 993 |
|
|
pegasus->intr_urb = usb_alloc_urb(0, GFP_KERNEL);
|
| 994 |
|
|
if (!pegasus->intr_urb) {
|
| 995 |
|
|
usb_free_urb(pegasus->tx_urb);
|
| 996 |
|
|
usb_free_urb(pegasus->rx_urb);
|
| 997 |
|
|
usb_free_urb(pegasus->ctrl_urb);
|
| 998 |
|
|
return 0;
|
| 999 |
|
|
}
|
| 1000 |
|
|
|
| 1001 |
|
|
return 1;
|
| 1002 |
|
|
}
|
| 1003 |
|
|
|
| 1004 |
|
|
static int pegasus_open(struct net_device *net)
|
| 1005 |
|
|
{
|
| 1006 |
|
|
pegasus_t *pegasus = netdev_priv(net);
|
| 1007 |
|
|
int res;
|
| 1008 |
|
|
|
| 1009 |
|
|
if (pegasus->rx_skb == NULL)
|
| 1010 |
|
|
pegasus->rx_skb = pull_skb(pegasus);
|
| 1011 |
|
|
/*
|
| 1012 |
|
|
** Note: no point to free the pool. it is empty :-)
|
| 1013 |
|
|
*/
|
| 1014 |
|
|
if (!pegasus->rx_skb)
|
| 1015 |
|
|
return -ENOMEM;
|
| 1016 |
|
|
|
| 1017 |
|
|
res = set_registers(pegasus, EthID, 6, net->dev_addr);
|
| 1018 |
|
|
|
| 1019 |
|
|
usb_fill_bulk_urb(pegasus->rx_urb, pegasus->usb,
|
| 1020 |
|
|
usb_rcvbulkpipe(pegasus->usb, 1),
|
| 1021 |
|
|
pegasus->rx_skb->data, PEGASUS_MTU + 8,
|
| 1022 |
|
|
read_bulk_callback, pegasus);
|
| 1023 |
|
|
if ((res = usb_submit_urb(pegasus->rx_urb, GFP_KERNEL))) {
|
| 1024 |
|
|
if (res == -ENODEV)
|
| 1025 |
|
|
netif_device_detach(pegasus->net);
|
| 1026 |
|
|
if (netif_msg_ifup(pegasus))
|
| 1027 |
|
|
pr_debug("%s: failed rx_urb, %d", net->name, res);
|
| 1028 |
|
|
goto exit;
|
| 1029 |
|
|
}
|
| 1030 |
|
|
|
| 1031 |
|
|
usb_fill_int_urb(pegasus->intr_urb, pegasus->usb,
|
| 1032 |
|
|
usb_rcvintpipe(pegasus->usb, 3),
|
| 1033 |
|
|
pegasus->intr_buff, sizeof (pegasus->intr_buff),
|
| 1034 |
|
|
intr_callback, pegasus, pegasus->intr_interval);
|
| 1035 |
|
|
if ((res = usb_submit_urb(pegasus->intr_urb, GFP_KERNEL))) {
|
| 1036 |
|
|
if (res == -ENODEV)
|
| 1037 |
|
|
netif_device_detach(pegasus->net);
|
| 1038 |
|
|
if (netif_msg_ifup(pegasus))
|
| 1039 |
|
|
pr_debug("%s: failed intr_urb, %d\n", net->name, res);
|
| 1040 |
|
|
usb_kill_urb(pegasus->rx_urb);
|
| 1041 |
|
|
goto exit;
|
| 1042 |
|
|
}
|
| 1043 |
|
|
if ((res = enable_net_traffic(net, pegasus->usb))) {
|
| 1044 |
|
|
if (netif_msg_ifup(pegasus))
|
| 1045 |
|
|
pr_debug("%s: can't enable_net_traffic() - %d\n",
|
| 1046 |
|
|
net->name, res);
|
| 1047 |
|
|
res = -EIO;
|
| 1048 |
|
|
usb_kill_urb(pegasus->rx_urb);
|
| 1049 |
|
|
usb_kill_urb(pegasus->intr_urb);
|
| 1050 |
|
|
free_skb_pool(pegasus);
|
| 1051 |
|
|
goto exit;
|
| 1052 |
|
|
}
|
| 1053 |
|
|
set_carrier(net);
|
| 1054 |
|
|
netif_start_queue(net);
|
| 1055 |
|
|
if (netif_msg_ifup(pegasus))
|
| 1056 |
|
|
pr_debug("%s: open\n", net->name);
|
| 1057 |
|
|
res = 0;
|
| 1058 |
|
|
exit:
|
| 1059 |
|
|
return res;
|
| 1060 |
|
|
}
|
| 1061 |
|
|
|
| 1062 |
|
|
static int pegasus_close(struct net_device *net)
|
| 1063 |
|
|
{
|
| 1064 |
|
|
pegasus_t *pegasus = netdev_priv(net);
|
| 1065 |
|
|
|
| 1066 |
|
|
netif_stop_queue(net);
|
| 1067 |
|
|
if (!(pegasus->flags & PEGASUS_UNPLUG))
|
| 1068 |
|
|
disable_net_traffic(pegasus);
|
| 1069 |
|
|
tasklet_kill(&pegasus->rx_tl);
|
| 1070 |
|
|
unlink_all_urbs(pegasus);
|
| 1071 |
|
|
|
| 1072 |
|
|
return 0;
|
| 1073 |
|
|
}
|
| 1074 |
|
|
|
| 1075 |
|
|
static void pegasus_get_drvinfo(struct net_device *dev,
|
| 1076 |
|
|
struct ethtool_drvinfo *info)
|
| 1077 |
|
|
{
|
| 1078 |
|
|
pegasus_t *pegasus = netdev_priv(dev);
|
| 1079 |
|
|
strncpy(info->driver, driver_name, sizeof (info->driver) - 1);
|
| 1080 |
|
|
strncpy(info->version, DRIVER_VERSION, sizeof (info->version) - 1);
|
| 1081 |
|
|
usb_make_path(pegasus->usb, info->bus_info, sizeof (info->bus_info));
|
| 1082 |
|
|
}
|
| 1083 |
|
|
|
| 1084 |
|
|
/* also handles three patterns of some kind in hardware */
|
| 1085 |
|
|
#define WOL_SUPPORTED (WAKE_MAGIC|WAKE_PHY)
|
| 1086 |
|
|
|
| 1087 |
|
|
static void
|
| 1088 |
|
|
pegasus_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
|
| 1089 |
|
|
{
|
| 1090 |
|
|
pegasus_t *pegasus = netdev_priv(dev);
|
| 1091 |
|
|
|
| 1092 |
|
|
wol->supported = WAKE_MAGIC | WAKE_PHY;
|
| 1093 |
|
|
wol->wolopts = pegasus->wolopts;
|
| 1094 |
|
|
}
|
| 1095 |
|
|
|
| 1096 |
|
|
static int
|
| 1097 |
|
|
pegasus_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
|
| 1098 |
|
|
{
|
| 1099 |
|
|
pegasus_t *pegasus = netdev_priv(dev);
|
| 1100 |
|
|
u8 reg78 = 0x04;
|
| 1101 |
|
|
|
| 1102 |
|
|
if (wol->wolopts & ~WOL_SUPPORTED)
|
| 1103 |
|
|
return -EINVAL;
|
| 1104 |
|
|
|
| 1105 |
|
|
if (wol->wolopts & WAKE_MAGIC)
|
| 1106 |
|
|
reg78 |= 0x80;
|
| 1107 |
|
|
if (wol->wolopts & WAKE_PHY)
|
| 1108 |
|
|
reg78 |= 0x40;
|
| 1109 |
|
|
/* FIXME this 0x10 bit still needs to get set in the chip... */
|
| 1110 |
|
|
if (wol->wolopts)
|
| 1111 |
|
|
pegasus->eth_regs[0] |= 0x10;
|
| 1112 |
|
|
else
|
| 1113 |
|
|
pegasus->eth_regs[0] &= ~0x10;
|
| 1114 |
|
|
pegasus->wolopts = wol->wolopts;
|
| 1115 |
|
|
return set_register(pegasus, WakeupControl, reg78);
|
| 1116 |
|
|
}
|
| 1117 |
|
|
|
| 1118 |
|
|
static inline void pegasus_reset_wol(struct net_device *dev)
|
| 1119 |
|
|
{
|
| 1120 |
|
|
struct ethtool_wolinfo wol;
|
| 1121 |
|
|
|
| 1122 |
|
|
memset(&wol, 0, sizeof wol);
|
| 1123 |
|
|
(void) pegasus_set_wol(dev, &wol);
|
| 1124 |
|
|
}
|
| 1125 |
|
|
|
| 1126 |
|
|
static int
|
| 1127 |
|
|
pegasus_get_settings(struct net_device *dev, struct ethtool_cmd *ecmd)
|
| 1128 |
|
|
{
|
| 1129 |
|
|
pegasus_t *pegasus;
|
| 1130 |
|
|
|
| 1131 |
|
|
if (in_atomic())
|
| 1132 |
|
|
return 0;
|
| 1133 |
|
|
|
| 1134 |
|
|
pegasus = netdev_priv(dev);
|
| 1135 |
|
|
mii_ethtool_gset(&pegasus->mii, ecmd);
|
| 1136 |
|
|
|
| 1137 |
|
|
return 0;
|
| 1138 |
|
|
}
|
| 1139 |
|
|
|
| 1140 |
|
|
static int
|
| 1141 |
|
|
pegasus_set_settings(struct net_device *dev, struct ethtool_cmd *ecmd)
|
| 1142 |
|
|
{
|
| 1143 |
|
|
pegasus_t *pegasus = netdev_priv(dev);
|
| 1144 |
|
|
return mii_ethtool_sset(&pegasus->mii, ecmd);
|
| 1145 |
|
|
}
|
| 1146 |
|
|
|
| 1147 |
|
|
static int pegasus_nway_reset(struct net_device *dev)
|
| 1148 |
|
|
{
|
| 1149 |
|
|
pegasus_t *pegasus = netdev_priv(dev);
|
| 1150 |
|
|
return mii_nway_restart(&pegasus->mii);
|
| 1151 |
|
|
}
|
| 1152 |
|
|
|
| 1153 |
|
|
static u32 pegasus_get_link(struct net_device *dev)
|
| 1154 |
|
|
{
|
| 1155 |
|
|
pegasus_t *pegasus = netdev_priv(dev);
|
| 1156 |
|
|
return mii_link_ok(&pegasus->mii);
|
| 1157 |
|
|
}
|
| 1158 |
|
|
|
| 1159 |
|
|
static u32 pegasus_get_msglevel(struct net_device *dev)
|
| 1160 |
|
|
{
|
| 1161 |
|
|
pegasus_t *pegasus = netdev_priv(dev);
|
| 1162 |
|
|
return pegasus->msg_enable;
|
| 1163 |
|
|
}
|
| 1164 |
|
|
|
| 1165 |
|
|
static void pegasus_set_msglevel(struct net_device *dev, u32 v)
|
| 1166 |
|
|
{
|
| 1167 |
|
|
pegasus_t *pegasus = netdev_priv(dev);
|
| 1168 |
|
|
pegasus->msg_enable = v;
|
| 1169 |
|
|
}
|
| 1170 |
|
|
|
| 1171 |
|
|
static struct ethtool_ops ops = {
|
| 1172 |
|
|
.get_drvinfo = pegasus_get_drvinfo,
|
| 1173 |
|
|
.get_settings = pegasus_get_settings,
|
| 1174 |
|
|
.set_settings = pegasus_set_settings,
|
| 1175 |
|
|
.nway_reset = pegasus_nway_reset,
|
| 1176 |
|
|
.get_link = pegasus_get_link,
|
| 1177 |
|
|
.get_msglevel = pegasus_get_msglevel,
|
| 1178 |
|
|
.set_msglevel = pegasus_set_msglevel,
|
| 1179 |
|
|
.get_wol = pegasus_get_wol,
|
| 1180 |
|
|
.set_wol = pegasus_set_wol,
|
| 1181 |
|
|
};
|
| 1182 |
|
|
|
| 1183 |
|
|
static int pegasus_ioctl(struct net_device *net, struct ifreq *rq, int cmd)
|
| 1184 |
|
|
{
|
| 1185 |
|
|
__u16 *data = (__u16 *) & rq->ifr_ifru;
|
| 1186 |
|
|
pegasus_t *pegasus = netdev_priv(net);
|
| 1187 |
|
|
int res;
|
| 1188 |
|
|
|
| 1189 |
|
|
switch (cmd) {
|
| 1190 |
|
|
case SIOCDEVPRIVATE:
|
| 1191 |
|
|
data[0] = pegasus->phy;
|
| 1192 |
|
|
case SIOCDEVPRIVATE + 1:
|
| 1193 |
|
|
read_mii_word(pegasus, data[0], data[1] & 0x1f, &data[3]);
|
| 1194 |
|
|
res = 0;
|
| 1195 |
|
|
break;
|
| 1196 |
|
|
case SIOCDEVPRIVATE + 2:
|
| 1197 |
|
|
if (!capable(CAP_NET_ADMIN))
|
| 1198 |
|
|
return -EPERM;
|
| 1199 |
|
|
write_mii_word(pegasus, pegasus->phy, data[1] & 0x1f, data[2]);
|
| 1200 |
|
|
res = 0;
|
| 1201 |
|
|
break;
|
| 1202 |
|
|
default:
|
| 1203 |
|
|
res = -EOPNOTSUPP;
|
| 1204 |
|
|
}
|
| 1205 |
|
|
return res;
|
| 1206 |
|
|
}
|
| 1207 |
|
|
|
| 1208 |
|
|
static void pegasus_set_multicast(struct net_device *net)
|
| 1209 |
|
|
{
|
| 1210 |
|
|
pegasus_t *pegasus = netdev_priv(net);
|
| 1211 |
|
|
|
| 1212 |
|
|
if (net->flags & IFF_PROMISC) {
|
| 1213 |
|
|
pegasus->eth_regs[EthCtrl2] |= RX_PROMISCUOUS;
|
| 1214 |
|
|
if (netif_msg_link(pegasus))
|
| 1215 |
|
|
pr_info("%s: Promiscuous mode enabled.\n", net->name);
|
| 1216 |
|
|
} else if (net->mc_count ||
|
| 1217 |
|
|
(net->flags & IFF_ALLMULTI)) {
|
| 1218 |
|
|
pegasus->eth_regs[EthCtrl0] |= RX_MULTICAST;
|
| 1219 |
|
|
pegasus->eth_regs[EthCtrl2] &= ~RX_PROMISCUOUS;
|
| 1220 |
|
|
if (netif_msg_link(pegasus))
|
| 1221 |
|
|
pr_info("%s: set allmulti\n", net->name);
|
| 1222 |
|
|
} else {
|
| 1223 |
|
|
pegasus->eth_regs[EthCtrl0] &= ~RX_MULTICAST;
|
| 1224 |
|
|
pegasus->eth_regs[EthCtrl2] &= ~RX_PROMISCUOUS;
|
| 1225 |
|
|
}
|
| 1226 |
|
|
|
| 1227 |
|
|
pegasus->flags |= ETH_REGS_CHANGE;
|
| 1228 |
|
|
ctrl_callback(pegasus->ctrl_urb);
|
| 1229 |
|
|
}
|
| 1230 |
|
|
|
| 1231 |
|
|
static __u8 mii_phy_probe(pegasus_t * pegasus)
|
| 1232 |
|
|
{
|
| 1233 |
|
|
int i;
|
| 1234 |
|
|
__u16 tmp;
|
| 1235 |
|
|
|
| 1236 |
|
|
for (i = 0; i < 32; i++) {
|
| 1237 |
|
|
read_mii_word(pegasus, i, MII_BMSR, &tmp);
|
| 1238 |
|
|
if (tmp == 0 || tmp == 0xffff || (tmp & BMSR_MEDIA) == 0)
|
| 1239 |
|
|
continue;
|
| 1240 |
|
|
else
|
| 1241 |
|
|
return i;
|
| 1242 |
|
|
}
|
| 1243 |
|
|
|
| 1244 |
|
|
return 0xff;
|
| 1245 |
|
|
}
|
| 1246 |
|
|
|
| 1247 |
|
|
static inline void setup_pegasus_II(pegasus_t * pegasus)
|
| 1248 |
|
|
{
|
| 1249 |
|
|
__u8 data = 0xa5;
|
| 1250 |
|
|
|
| 1251 |
|
|
set_register(pegasus, Reg1d, 0);
|
| 1252 |
|
|
set_register(pegasus, Reg7b, 1);
|
| 1253 |
|
|
mdelay(100);
|
| 1254 |
|
|
if ((pegasus->features & HAS_HOME_PNA) && mii_mode)
|
| 1255 |
|
|
set_register(pegasus, Reg7b, 0);
|
| 1256 |
|
|
else
|
| 1257 |
|
|
set_register(pegasus, Reg7b, 2);
|
| 1258 |
|
|
|
| 1259 |
|
|
set_register(pegasus, 0x83, data);
|
| 1260 |
|
|
get_registers(pegasus, 0x83, 1, &data);
|
| 1261 |
|
|
|
| 1262 |
|
|
if (data == 0xa5) {
|
| 1263 |
|
|
pegasus->chip = 0x8513;
|
| 1264 |
|
|
} else {
|
| 1265 |
|
|
pegasus->chip = 0;
|
| 1266 |
|
|
}
|
| 1267 |
|
|
|
| 1268 |
|
|
set_register(pegasus, 0x80, 0xc0);
|
| 1269 |
|
|
set_register(pegasus, 0x83, 0xff);
|
| 1270 |
|
|
set_register(pegasus, 0x84, 0x01);
|
| 1271 |
|
|
|
| 1272 |
|
|
if (pegasus->features & HAS_HOME_PNA && mii_mode)
|
| 1273 |
|
|
set_register(pegasus, Reg81, 6);
|
| 1274 |
|
|
else
|
| 1275 |
|
|
set_register(pegasus, Reg81, 2);
|
| 1276 |
|
|
}
|
| 1277 |
|
|
|
| 1278 |
|
|
|
| 1279 |
|
|
static struct workqueue_struct *pegasus_workqueue = NULL;
|
| 1280 |
|
|
#define CARRIER_CHECK_DELAY (2 * HZ)
|
| 1281 |
|
|
|
| 1282 |
|
|
static void check_carrier(struct work_struct *work)
|
| 1283 |
|
|
{
|
| 1284 |
|
|
pegasus_t *pegasus = container_of(work, pegasus_t, carrier_check.work);
|
| 1285 |
|
|
set_carrier(pegasus->net);
|
| 1286 |
|
|
if (!(pegasus->flags & PEGASUS_UNPLUG)) {
|
| 1287 |
|
|
queue_delayed_work(pegasus_workqueue, &pegasus->carrier_check,
|
| 1288 |
|
|
CARRIER_CHECK_DELAY);
|
| 1289 |
|
|
}
|
| 1290 |
|
|
}
|
| 1291 |
|
|
|
| 1292 |
|
|
static int pegasus_probe(struct usb_interface *intf,
|
| 1293 |
|
|
const struct usb_device_id *id)
|
| 1294 |
|
|
{
|
| 1295 |
|
|
struct usb_device *dev = interface_to_usbdev(intf);
|
| 1296 |
|
|
struct net_device *net;
|
| 1297 |
|
|
pegasus_t *pegasus;
|
| 1298 |
|
|
int dev_index = id - pegasus_ids;
|
| 1299 |
|
|
int res = -ENOMEM;
|
| 1300 |
|
|
DECLARE_MAC_BUF(mac);
|
| 1301 |
|
|
|
| 1302 |
|
|
usb_get_dev(dev);
|
| 1303 |
|
|
net = alloc_etherdev(sizeof(struct pegasus));
|
| 1304 |
|
|
if (!net) {
|
| 1305 |
|
|
dev_err(&intf->dev, "can't allocate %s\n", "device");
|
| 1306 |
|
|
goto out;
|
| 1307 |
|
|
}
|
| 1308 |
|
|
|
| 1309 |
|
|
pegasus = netdev_priv(net);
|
| 1310 |
|
|
pegasus->dev_index = dev_index;
|
| 1311 |
|
|
init_waitqueue_head(&pegasus->ctrl_wait);
|
| 1312 |
|
|
|
| 1313 |
|
|
if (!alloc_urbs(pegasus)) {
|
| 1314 |
|
|
dev_err(&intf->dev, "can't allocate %s\n", "urbs");
|
| 1315 |
|
|
goto out1;
|
| 1316 |
|
|
}
|
| 1317 |
|
|
|
| 1318 |
|
|
tasklet_init(&pegasus->rx_tl, rx_fixup, (unsigned long) pegasus);
|
| 1319 |
|
|
|
| 1320 |
|
|
INIT_DELAYED_WORK(&pegasus->carrier_check, check_carrier);
|
| 1321 |
|
|
|
| 1322 |
|
|
pegasus->intf = intf;
|
| 1323 |
|
|
pegasus->usb = dev;
|
| 1324 |
|
|
pegasus->net = net;
|
| 1325 |
|
|
net->open = pegasus_open;
|
| 1326 |
|
|
net->stop = pegasus_close;
|
| 1327 |
|
|
net->watchdog_timeo = PEGASUS_TX_TIMEOUT;
|
| 1328 |
|
|
net->tx_timeout = pegasus_tx_timeout;
|
| 1329 |
|
|
net->do_ioctl = pegasus_ioctl;
|
| 1330 |
|
|
net->hard_start_xmit = pegasus_start_xmit;
|
| 1331 |
|
|
net->set_multicast_list = pegasus_set_multicast;
|
| 1332 |
|
|
net->get_stats = pegasus_netdev_stats;
|
| 1333 |
|
|
SET_ETHTOOL_OPS(net, &ops);
|
| 1334 |
|
|
pegasus->mii.dev = net;
|
| 1335 |
|
|
pegasus->mii.mdio_read = mdio_read;
|
| 1336 |
|
|
pegasus->mii.mdio_write = mdio_write;
|
| 1337 |
|
|
pegasus->mii.phy_id_mask = 0x1f;
|
| 1338 |
|
|
pegasus->mii.reg_num_mask = 0x1f;
|
| 1339 |
|
|
spin_lock_init(&pegasus->rx_pool_lock);
|
| 1340 |
|
|
pegasus->msg_enable = netif_msg_init (msg_level, NETIF_MSG_DRV
|
| 1341 |
|
|
| NETIF_MSG_PROBE | NETIF_MSG_LINK);
|
| 1342 |
|
|
|
| 1343 |
|
|
pegasus->features = usb_dev_id[dev_index].private;
|
| 1344 |
|
|
get_interrupt_interval(pegasus);
|
| 1345 |
|
|
if (reset_mac(pegasus)) {
|
| 1346 |
|
|
dev_err(&intf->dev, "can't reset MAC\n");
|
| 1347 |
|
|
res = -EIO;
|
| 1348 |
|
|
goto out2;
|
| 1349 |
|
|
}
|
| 1350 |
|
|
set_ethernet_addr(pegasus);
|
| 1351 |
|
|
fill_skb_pool(pegasus);
|
| 1352 |
|
|
if (pegasus->features & PEGASUS_II) {
|
| 1353 |
|
|
dev_info(&intf->dev, "setup Pegasus II specific registers\n");
|
| 1354 |
|
|
setup_pegasus_II(pegasus);
|
| 1355 |
|
|
}
|
| 1356 |
|
|
pegasus->phy = mii_phy_probe(pegasus);
|
| 1357 |
|
|
if (pegasus->phy == 0xff) {
|
| 1358 |
|
|
dev_warn(&intf->dev, "can't locate MII phy, using default\n");
|
| 1359 |
|
|
pegasus->phy = 1;
|
| 1360 |
|
|
}
|
| 1361 |
|
|
pegasus->mii.phy_id = pegasus->phy;
|
| 1362 |
|
|
usb_set_intfdata(intf, pegasus);
|
| 1363 |
|
|
SET_NETDEV_DEV(net, &intf->dev);
|
| 1364 |
|
|
pegasus_reset_wol(net);
|
| 1365 |
|
|
res = register_netdev(net);
|
| 1366 |
|
|
if (res)
|
| 1367 |
|
|
goto out3;
|
| 1368 |
|
|
queue_delayed_work(pegasus_workqueue, &pegasus->carrier_check,
|
| 1369 |
|
|
CARRIER_CHECK_DELAY);
|
| 1370 |
|
|
|
| 1371 |
|
|
dev_info(&intf->dev, "%s, %s, %s\n",
|
| 1372 |
|
|
net->name,
|
| 1373 |
|
|
usb_dev_id[dev_index].name,
|
| 1374 |
|
|
print_mac(mac, net->dev_addr));
|
| 1375 |
|
|
return 0;
|
| 1376 |
|
|
|
| 1377 |
|
|
out3:
|
| 1378 |
|
|
usb_set_intfdata(intf, NULL);
|
| 1379 |
|
|
free_skb_pool(pegasus);
|
| 1380 |
|
|
out2:
|
| 1381 |
|
|
free_all_urbs(pegasus);
|
| 1382 |
|
|
out1:
|
| 1383 |
|
|
free_netdev(net);
|
| 1384 |
|
|
out:
|
| 1385 |
|
|
usb_put_dev(dev);
|
| 1386 |
|
|
return res;
|
| 1387 |
|
|
}
|
| 1388 |
|
|
|
| 1389 |
|
|
static void pegasus_disconnect(struct usb_interface *intf)
|
| 1390 |
|
|
{
|
| 1391 |
|
|
struct pegasus *pegasus = usb_get_intfdata(intf);
|
| 1392 |
|
|
|
| 1393 |
|
|
usb_set_intfdata(intf, NULL);
|
| 1394 |
|
|
if (!pegasus) {
|
| 1395 |
|
|
dev_dbg(&intf->dev, "unregistering non-bound device?\n");
|
| 1396 |
|
|
return;
|
| 1397 |
|
|
}
|
| 1398 |
|
|
|
| 1399 |
|
|
pegasus->flags |= PEGASUS_UNPLUG;
|
| 1400 |
|
|
cancel_delayed_work(&pegasus->carrier_check);
|
| 1401 |
|
|
unregister_netdev(pegasus->net);
|
| 1402 |
|
|
usb_put_dev(interface_to_usbdev(intf));
|
| 1403 |
|
|
unlink_all_urbs(pegasus);
|
| 1404 |
|
|
free_all_urbs(pegasus);
|
| 1405 |
|
|
free_skb_pool(pegasus);
|
| 1406 |
|
|
if (pegasus->rx_skb != NULL) {
|
| 1407 |
|
|
dev_kfree_skb(pegasus->rx_skb);
|
| 1408 |
|
|
pegasus->rx_skb = NULL;
|
| 1409 |
|
|
}
|
| 1410 |
|
|
free_netdev(pegasus->net);
|
| 1411 |
|
|
}
|
| 1412 |
|
|
|
| 1413 |
|
|
static int pegasus_suspend (struct usb_interface *intf, pm_message_t message)
|
| 1414 |
|
|
{
|
| 1415 |
|
|
struct pegasus *pegasus = usb_get_intfdata(intf);
|
| 1416 |
|
|
|
| 1417 |
|
|
netif_device_detach (pegasus->net);
|
| 1418 |
|
|
cancel_delayed_work(&pegasus->carrier_check);
|
| 1419 |
|
|
if (netif_running(pegasus->net)) {
|
| 1420 |
|
|
usb_kill_urb(pegasus->rx_urb);
|
| 1421 |
|
|
usb_kill_urb(pegasus->intr_urb);
|
| 1422 |
|
|
}
|
| 1423 |
|
|
return 0;
|
| 1424 |
|
|
}
|
| 1425 |
|
|
|
| 1426 |
|
|
static int pegasus_resume (struct usb_interface *intf)
|
| 1427 |
|
|
{
|
| 1428 |
|
|
struct pegasus *pegasus = usb_get_intfdata(intf);
|
| 1429 |
|
|
|
| 1430 |
|
|
netif_device_attach (pegasus->net);
|
| 1431 |
|
|
if (netif_running(pegasus->net)) {
|
| 1432 |
|
|
pegasus->rx_urb->status = 0;
|
| 1433 |
|
|
pegasus->rx_urb->actual_length = 0;
|
| 1434 |
|
|
read_bulk_callback(pegasus->rx_urb);
|
| 1435 |
|
|
|
| 1436 |
|
|
pegasus->intr_urb->status = 0;
|
| 1437 |
|
|
pegasus->intr_urb->actual_length = 0;
|
| 1438 |
|
|
intr_callback(pegasus->intr_urb);
|
| 1439 |
|
|
}
|
| 1440 |
|
|
queue_delayed_work(pegasus_workqueue, &pegasus->carrier_check,
|
| 1441 |
|
|
CARRIER_CHECK_DELAY);
|
| 1442 |
|
|
return 0;
|
| 1443 |
|
|
}
|
| 1444 |
|
|
|
| 1445 |
|
|
static struct usb_driver pegasus_driver = {
|
| 1446 |
|
|
.name = driver_name,
|
| 1447 |
|
|
.probe = pegasus_probe,
|
| 1448 |
|
|
.disconnect = pegasus_disconnect,
|
| 1449 |
|
|
.id_table = pegasus_ids,
|
| 1450 |
|
|
.suspend = pegasus_suspend,
|
| 1451 |
|
|
.resume = pegasus_resume,
|
| 1452 |
|
|
};
|
| 1453 |
|
|
|
| 1454 |
|
|
static void parse_id(char *id)
|
| 1455 |
|
|
{
|
| 1456 |
|
|
unsigned int vendor_id=0, device_id=0, flags=0, i=0;
|
| 1457 |
|
|
char *token, *name=NULL;
|
| 1458 |
|
|
|
| 1459 |
|
|
if ((token = strsep(&id, ":")) != NULL)
|
| 1460 |
|
|
name = token;
|
| 1461 |
|
|
/* name now points to a null terminated string*/
|
| 1462 |
|
|
if ((token = strsep(&id, ":")) != NULL)
|
| 1463 |
|
|
vendor_id = simple_strtoul(token, NULL, 16);
|
| 1464 |
|
|
if ((token = strsep(&id, ":")) != NULL)
|
| 1465 |
|
|
device_id = simple_strtoul(token, NULL, 16);
|
| 1466 |
|
|
flags = simple_strtoul(id, NULL, 16);
|
| 1467 |
|
|
pr_info("%s: new device %s, vendor ID 0x%04x, device ID 0x%04x, flags: 0x%x\n",
|
| 1468 |
|
|
driver_name, name, vendor_id, device_id, flags);
|
| 1469 |
|
|
|
| 1470 |
|
|
if (vendor_id > 0x10000 || vendor_id == 0)
|
| 1471 |
|
|
return;
|
| 1472 |
|
|
if (device_id > 0x10000 || device_id == 0)
|
| 1473 |
|
|
return;
|
| 1474 |
|
|
|
| 1475 |
|
|
for (i=0; usb_dev_id[i].name; i++);
|
| 1476 |
|
|
usb_dev_id[i].name = name;
|
| 1477 |
|
|
usb_dev_id[i].vendor = vendor_id;
|
| 1478 |
|
|
usb_dev_id[i].device = device_id;
|
| 1479 |
|
|
usb_dev_id[i].private = flags;
|
| 1480 |
|
|
pegasus_ids[i].match_flags = USB_DEVICE_ID_MATCH_DEVICE;
|
| 1481 |
|
|
pegasus_ids[i].idVendor = vendor_id;
|
| 1482 |
|
|
pegasus_ids[i].idProduct = device_id;
|
| 1483 |
|
|
}
|
| 1484 |
|
|
|
| 1485 |
|
|
static int __init pegasus_init(void)
|
| 1486 |
|
|
{
|
| 1487 |
|
|
pr_info("%s: %s, " DRIVER_DESC "\n", driver_name, DRIVER_VERSION);
|
| 1488 |
|
|
if (devid)
|
| 1489 |
|
|
parse_id(devid);
|
| 1490 |
|
|
pegasus_workqueue = create_singlethread_workqueue("pegasus");
|
| 1491 |
|
|
if (!pegasus_workqueue)
|
| 1492 |
|
|
return -ENOMEM;
|
| 1493 |
|
|
return usb_register(&pegasus_driver);
|
| 1494 |
|
|
}
|
| 1495 |
|
|
|
| 1496 |
|
|
static void __exit pegasus_exit(void)
|
| 1497 |
|
|
{
|
| 1498 |
|
|
destroy_workqueue(pegasus_workqueue);
|
| 1499 |
|
|
usb_deregister(&pegasus_driver);
|
| 1500 |
|
|
}
|
| 1501 |
|
|
|
| 1502 |
|
|
module_init(pegasus_init);
|
| 1503 |
|
|
module_exit(pegasus_exit);
|
