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1336 lines
32 KiB
1336 lines
32 KiB
// SPDX-License-Identifier: GPL-2.0-only |
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/* |
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* Copyright (c) 1999-2021 Petko Manolov ([email protected]) |
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* |
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*/ |
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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 <linux/uaccess.h> |
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#include "pegasus.h" |
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|
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/* |
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* Version Information |
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*/ |
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#define DRIVER_AUTHOR "Petko Manolov <[email protected]>" |
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#define DRIVER_DESC "Pegasus/Pegasus II USB Ethernet driver" |
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|
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static const char driver_name[] = "pegasus"; |
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|
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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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#define CARRIER_CHECK_DELAY (2 * HZ) |
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|
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static bool loopback; |
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static bool mii_mode; |
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static char *devid; |
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|
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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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#define PEGASUS_DEV_CLASS(pn, vid, pid, dclass, flags) \ |
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PEGASUS_DEV(pn, vid, pid, flags) |
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#include "pegasus.h" |
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#undef PEGASUS_DEV |
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#undef PEGASUS_DEV_CLASS |
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{NULL, 0, 0, 0}, |
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{NULL, 0, 0, 0} |
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}; |
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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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/* |
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* The Belkin F8T012xx1 bluetooth adaptor has the same vendor and product |
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* IDs as the Belkin F5D5050, so we need to teach the pegasus driver to |
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* ignore adaptors belonging to the "Wireless" class 0xE0. For this one |
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* case anyway, seeing as the pegasus is for "Wired" adaptors. |
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*/ |
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#define PEGASUS_DEV_CLASS(pn, vid, pid, dclass, flags) \ |
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{.match_flags = (USB_DEVICE_ID_MATCH_DEVICE | USB_DEVICE_ID_MATCH_DEV_CLASS), \ |
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.idVendor = vid, .idProduct = pid, .bDeviceClass = dclass}, |
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#include "pegasus.h" |
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#undef PEGASUS_DEV |
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#undef PEGASUS_DEV_CLASS |
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{}, |
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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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MODULE_PARM_DESC(devid, "The format is: 'DEV_name:VendorID:DeviceID:Flags'"); |
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|
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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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|
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MODULE_DEVICE_TABLE(usb, pegasus_ids); |
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static const struct net_device_ops pegasus_netdev_ops; |
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|
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/*****/ |
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|
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static void async_ctrl_callback(struct urb *urb) |
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{ |
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struct usb_ctrlrequest *req = (struct usb_ctrlrequest *)urb->context; |
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int status = urb->status; |
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|
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if (status < 0) |
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dev_dbg(&urb->dev->dev, "%s failed with %d", __func__, status); |
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kfree(req); |
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usb_free_urb(urb); |
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} |
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|
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static int get_registers(pegasus_t *pegasus, __u16 indx, __u16 size, void *data) |
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{ |
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return usb_control_msg_recv(pegasus->usb, 0, PEGASUS_REQ_GET_REGS, |
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PEGASUS_REQT_READ, 0, indx, data, size, |
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1000, GFP_NOIO); |
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} |
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|
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static int set_registers(pegasus_t *pegasus, __u16 indx, __u16 size, |
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const void *data) |
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{ |
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int ret; |
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|
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ret = usb_control_msg_send(pegasus->usb, 0, PEGASUS_REQ_SET_REGS, |
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PEGASUS_REQT_WRITE, 0, indx, data, size, |
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1000, GFP_NOIO); |
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if (ret < 0) |
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netif_dbg(pegasus, drv, pegasus->net, "%s failed with %d\n", __func__, ret); |
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|
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return ret; |
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} |
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|
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/* |
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* There is only one way to write to a single ADM8511 register and this is via |
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* specific control request. 'data' is ignored by the device, but it is here to |
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* not break the API. |
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*/ |
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static int set_register(pegasus_t *pegasus, __u16 indx, __u8 data) |
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{ |
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void *buf = &data; |
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int ret; |
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|
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ret = usb_control_msg_send(pegasus->usb, 0, PEGASUS_REQ_SET_REG, |
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PEGASUS_REQT_WRITE, data, indx, buf, 1, |
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1000, GFP_NOIO); |
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if (ret < 0) |
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netif_dbg(pegasus, drv, pegasus->net, "%s failed with %d\n", __func__, ret); |
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|
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return ret; |
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} |
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|
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static int update_eth_regs_async(pegasus_t *pegasus) |
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{ |
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int ret = -ENOMEM; |
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struct urb *async_urb; |
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struct usb_ctrlrequest *req; |
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|
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req = kmalloc(sizeof(struct usb_ctrlrequest), GFP_ATOMIC); |
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if (req == NULL) |
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return ret; |
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|
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async_urb = usb_alloc_urb(0, GFP_ATOMIC); |
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if (async_urb == NULL) { |
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kfree(req); |
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return ret; |
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} |
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req->bRequestType = PEGASUS_REQT_WRITE; |
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req->bRequest = PEGASUS_REQ_SET_REGS; |
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req->wValue = cpu_to_le16(0); |
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req->wIndex = cpu_to_le16(EthCtrl0); |
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req->wLength = cpu_to_le16(3); |
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|
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usb_fill_control_urb(async_urb, pegasus->usb, |
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usb_sndctrlpipe(pegasus->usb, 0), (void *)req, |
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pegasus->eth_regs, 3, async_ctrl_callback, req); |
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|
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ret = usb_submit_urb(async_urb, GFP_ATOMIC); |
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if (ret) { |
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if (ret == -ENODEV) |
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netif_device_detach(pegasus->net); |
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netif_err(pegasus, drv, pegasus->net, |
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"%s returned %d\n", __func__, ret); |
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} |
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return ret; |
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} |
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|
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static int __mii_op(pegasus_t *p, __u8 phy, __u8 indx, __u16 *regd, __u8 cmd) |
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{ |
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int i, ret; |
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__le16 regdi; |
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__u8 data[4] = { phy, 0, 0, indx }; |
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|
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if (cmd & PHY_WRITE) { |
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__le16 *t = (__le16 *) & data[1]; |
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*t = cpu_to_le16(*regd); |
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} |
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set_register(p, PhyCtrl, 0); |
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set_registers(p, PhyAddr, sizeof(data), data); |
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set_register(p, PhyCtrl, (indx | cmd)); |
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for (i = 0; i < REG_TIMEOUT; i++) { |
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ret = get_registers(p, PhyCtrl, 1, data); |
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if (ret < 0) |
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goto fail; |
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if (data[0] & PHY_DONE) |
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break; |
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} |
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if (i >= REG_TIMEOUT) { |
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ret = -ETIMEDOUT; |
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goto fail; |
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} |
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if (cmd & PHY_READ) { |
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ret = get_registers(p, PhyData, 2, ®di); |
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if (ret < 0) |
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goto fail; |
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*regd = le16_to_cpu(regdi); |
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} |
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return 0; |
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fail: |
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netif_dbg(p, drv, p->net, "%s failed\n", __func__); |
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return ret; |
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} |
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|
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/* Returns non-negative int on success, error on failure */ |
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static int read_mii_word(pegasus_t *pegasus, __u8 phy, __u8 indx, __u16 *regd) |
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{ |
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return __mii_op(pegasus, phy, indx, regd, PHY_READ); |
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} |
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|
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/* Returns zero on success, error on failure */ |
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static int write_mii_word(pegasus_t *pegasus, __u8 phy, __u8 indx, __u16 *regd) |
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{ |
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return __mii_op(pegasus, phy, indx, regd, PHY_WRITE); |
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} |
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static int mdio_read(struct net_device *dev, int phy_id, int loc) |
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{ |
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pegasus_t *pegasus = netdev_priv(dev); |
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int ret; |
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u16 res; |
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ret = read_mii_word(pegasus, phy_id, loc, &res); |
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if (ret < 0) |
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return ret; |
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return (int)res; |
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} |
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static void mdio_write(struct net_device *dev, int phy_id, int loc, int val) |
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{ |
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pegasus_t *pegasus = netdev_priv(dev); |
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u16 data = val; |
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write_mii_word(pegasus, phy_id, loc, &data); |
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} |
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static int read_eprom_word(pegasus_t *pegasus, __u8 index, __u16 *retdata) |
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{ |
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int ret, i; |
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__le16 retdatai; |
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__u8 tmp = 0; |
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set_register(pegasus, EpromCtrl, 0); |
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set_register(pegasus, EpromOffset, index); |
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set_register(pegasus, EpromCtrl, EPROM_READ); |
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for (i = 0; i < REG_TIMEOUT; i++) { |
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ret = get_registers(pegasus, EpromCtrl, 1, &tmp); |
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if (ret < 0) |
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goto fail; |
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if (tmp & EPROM_DONE) |
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break; |
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} |
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if (i >= REG_TIMEOUT) { |
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ret = -ETIMEDOUT; |
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goto fail; |
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} |
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|
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ret = get_registers(pegasus, EpromData, 2, &retdatai); |
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if (ret < 0) |
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goto fail; |
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*retdata = le16_to_cpu(retdatai); |
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return ret; |
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|
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fail: |
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netif_dbg(pegasus, drv, pegasus->net, "%s failed\n", __func__); |
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return ret; |
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} |
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#ifdef PEGASUS_WRITE_EEPROM |
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static inline void enable_eprom_write(pegasus_t *pegasus) |
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{ |
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__u8 tmp; |
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get_registers(pegasus, EthCtrl2, 1, &tmp); |
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set_register(pegasus, EthCtrl2, tmp | EPROM_WR_ENABLE); |
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} |
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|
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static inline void disable_eprom_write(pegasus_t *pegasus) |
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{ |
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__u8 tmp; |
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|
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get_registers(pegasus, EthCtrl2, 1, &tmp); |
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set_register(pegasus, EpromCtrl, 0); |
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set_register(pegasus, EthCtrl2, tmp & ~EPROM_WR_ENABLE); |
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} |
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|
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static int write_eprom_word(pegasus_t *pegasus, __u8 index, __u16 data) |
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{ |
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int i; |
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__u8 tmp, d[4] = { 0x3f, 0, 0, EPROM_WRITE }; |
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int ret; |
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__le16 le_data = cpu_to_le16(data); |
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|
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set_registers(pegasus, EpromOffset, 4, d); |
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enable_eprom_write(pegasus); |
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set_register(pegasus, EpromOffset, index); |
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set_registers(pegasus, EpromData, 2, &le_data); |
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set_register(pegasus, EpromCtrl, EPROM_WRITE); |
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|
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for (i = 0; i < REG_TIMEOUT; i++) { |
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ret = get_registers(pegasus, EpromCtrl, 1, &tmp); |
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if (ret == -ESHUTDOWN) |
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goto fail; |
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if (tmp & EPROM_DONE) |
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break; |
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} |
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disable_eprom_write(pegasus); |
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if (i >= REG_TIMEOUT) |
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goto fail; |
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|
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return ret; |
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|
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fail: |
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netif_dbg(pegasus, drv, pegasus->net, "%s failed\n", __func__); |
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return -ETIMEDOUT; |
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} |
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#endif /* PEGASUS_WRITE_EEPROM */ |
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|
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static inline int get_node_id(pegasus_t *pegasus, u8 *id) |
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{ |
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int i, ret; |
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u16 w16; |
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|
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for (i = 0; i < 3; i++) { |
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ret = read_eprom_word(pegasus, i, &w16); |
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if (ret < 0) |
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return ret; |
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((__le16 *) id)[i] = cpu_to_le16(w16); |
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} |
|
|
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return 0; |
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} |
|
|
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static void set_ethernet_addr(pegasus_t *pegasus) |
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{ |
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int ret; |
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u8 node_id[6]; |
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|
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if (pegasus->features & PEGASUS_II) { |
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ret = get_registers(pegasus, 0x10, sizeof(node_id), node_id); |
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if (ret < 0) |
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goto err; |
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} else { |
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ret = get_node_id(pegasus, node_id); |
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if (ret < 0) |
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goto err; |
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ret = set_registers(pegasus, EthID, sizeof(node_id), node_id); |
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if (ret < 0) |
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goto err; |
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} |
|
|
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memcpy(pegasus->net->dev_addr, node_id, sizeof(node_id)); |
|
|
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return; |
|
err: |
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eth_hw_addr_random(pegasus->net); |
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netif_dbg(pegasus, drv, pegasus->net, "software assigned MAC address.\n"); |
|
|
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return; |
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} |
|
|
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static inline int reset_mac(pegasus_t *pegasus) |
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{ |
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int ret, i; |
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__u8 data = 0x8; |
|
|
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set_register(pegasus, EthCtrl1, data); |
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for (i = 0; i < REG_TIMEOUT; i++) { |
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ret = get_registers(pegasus, EthCtrl1, 1, &data); |
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if (ret < 0) |
|
goto fail; |
|
if (~data & 0x08) { |
|
if (loopback) |
|
break; |
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if (mii_mode && (pegasus->features & HAS_HOME_PNA)) |
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set_register(pegasus, Gpio1, 0x34); |
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else |
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set_register(pegasus, Gpio1, 0x26); |
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set_register(pegasus, Gpio0, pegasus->features); |
|
set_register(pegasus, Gpio0, DEFAULT_GPIO_SET); |
|
break; |
|
} |
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} |
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if (i == REG_TIMEOUT) |
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return -ETIMEDOUT; |
|
|
|
if (usb_dev_id[pegasus->dev_index].vendor == VENDOR_LINKSYS || |
|
usb_dev_id[pegasus->dev_index].vendor == VENDOR_DLINK) { |
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set_register(pegasus, Gpio0, 0x24); |
|
set_register(pegasus, Gpio0, 0x26); |
|
} |
|
if (usb_dev_id[pegasus->dev_index].vendor == VENDOR_ELCON) { |
|
__u16 auxmode; |
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ret = read_mii_word(pegasus, 3, 0x1b, &auxmode); |
|
if (ret < 0) |
|
goto fail; |
|
auxmode |= 4; |
|
write_mii_word(pegasus, 3, 0x1b, &auxmode); |
|
} |
|
|
|
return 0; |
|
fail: |
|
netif_dbg(pegasus, drv, pegasus->net, "%s failed\n", __func__); |
|
return ret; |
|
} |
|
|
|
static int enable_net_traffic(struct net_device *dev, struct usb_device *usb) |
|
{ |
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pegasus_t *pegasus = netdev_priv(dev); |
|
int ret; |
|
__u16 linkpart; |
|
__u8 data[4]; |
|
|
|
ret = read_mii_word(pegasus, pegasus->phy, MII_LPA, &linkpart); |
|
if (ret < 0) |
|
goto fail; |
|
data[0] = 0xc8; /* TX & RX enable, append status, no CRC */ |
|
data[1] = 0; |
|
if (linkpart & (ADVERTISE_100FULL | ADVERTISE_10FULL)) |
|
data[1] |= 0x20; /* set full duplex */ |
|
if (linkpart & (ADVERTISE_100FULL | ADVERTISE_100HALF)) |
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data[1] |= 0x10; /* set 100 Mbps */ |
|
if (mii_mode) |
|
data[1] = 0; |
|
data[2] = loopback ? 0x09 : 0x01; |
|
|
|
memcpy(pegasus->eth_regs, data, sizeof(data)); |
|
ret = set_registers(pegasus, EthCtrl0, 3, data); |
|
|
|
if (usb_dev_id[pegasus->dev_index].vendor == VENDOR_LINKSYS || |
|
usb_dev_id[pegasus->dev_index].vendor == VENDOR_LINKSYS2 || |
|
usb_dev_id[pegasus->dev_index].vendor == VENDOR_DLINK) { |
|
u16 auxmode; |
|
ret = read_mii_word(pegasus, 0, 0x1b, &auxmode); |
|
if (ret < 0) |
|
goto fail; |
|
auxmode |= 4; |
|
write_mii_word(pegasus, 0, 0x1b, &auxmode); |
|
} |
|
|
|
return ret; |
|
fail: |
|
netif_dbg(pegasus, drv, pegasus->net, "%s failed\n", __func__); |
|
return ret; |
|
} |
|
|
|
static void read_bulk_callback(struct urb *urb) |
|
{ |
|
pegasus_t *pegasus = urb->context; |
|
struct net_device *net; |
|
u8 *buf = urb->transfer_buffer; |
|
int rx_status, count = urb->actual_length; |
|
int status = urb->status; |
|
__u16 pkt_len; |
|
|
|
if (!pegasus) |
|
return; |
|
|
|
net = pegasus->net; |
|
if (!netif_device_present(net) || !netif_running(net)) |
|
return; |
|
|
|
switch (status) { |
|
case 0: |
|
break; |
|
case -ETIME: |
|
netif_dbg(pegasus, rx_err, net, "reset MAC\n"); |
|
pegasus->flags &= ~PEGASUS_RX_BUSY; |
|
break; |
|
case -EPIPE: /* stall, or disconnect from TT */ |
|
/* FIXME schedule work to clear the halt */ |
|
netif_warn(pegasus, rx_err, net, "no rx stall recovery\n"); |
|
return; |
|
case -ENOENT: |
|
case -ECONNRESET: |
|
case -ESHUTDOWN: |
|
netif_dbg(pegasus, ifdown, net, "rx unlink, %d\n", status); |
|
return; |
|
default: |
|
netif_dbg(pegasus, rx_err, net, "RX status %d\n", status); |
|
goto goon; |
|
} |
|
|
|
if (count < 4) |
|
goto goon; |
|
|
|
rx_status = buf[count - 2]; |
|
if (rx_status & 0x1c) { |
|
netif_dbg(pegasus, rx_err, net, |
|
"RX packet error %x\n", rx_status); |
|
net->stats.rx_errors++; |
|
if (rx_status & 0x04) /* runt */ |
|
net->stats.rx_length_errors++; |
|
if (rx_status & 0x08) |
|
net->stats.rx_crc_errors++; |
|
if (rx_status & 0x10) /* extra bits */ |
|
net->stats.rx_frame_errors++; |
|
goto goon; |
|
} |
|
if (pegasus->chip == 0x8513) { |
|
pkt_len = le32_to_cpu(*(__le32 *)urb->transfer_buffer); |
|
pkt_len &= 0x0fff; |
|
pegasus->rx_skb->data += 2; |
|
} else { |
|
pkt_len = buf[count - 3] << 8; |
|
pkt_len += buf[count - 4]; |
|
pkt_len &= 0xfff; |
|
pkt_len -= 4; |
|
} |
|
|
|
/* |
|
* If the packet is unreasonably long, quietly drop it rather than |
|
* kernel panicing by calling skb_put. |
|
*/ |
|
if (pkt_len > PEGASUS_MTU) |
|
goto goon; |
|
|
|
/* |
|
* at this point we are sure pegasus->rx_skb != NULL |
|
* so we go ahead and pass up the packet. |
|
*/ |
|
skb_put(pegasus->rx_skb, pkt_len); |
|
pegasus->rx_skb->protocol = eth_type_trans(pegasus->rx_skb, net); |
|
netif_rx(pegasus->rx_skb); |
|
net->stats.rx_packets++; |
|
net->stats.rx_bytes += pkt_len; |
|
|
|
if (pegasus->flags & PEGASUS_UNPLUG) |
|
return; |
|
|
|
pegasus->rx_skb = __netdev_alloc_skb_ip_align(pegasus->net, PEGASUS_MTU, |
|
GFP_ATOMIC); |
|
|
|
if (pegasus->rx_skb == NULL) |
|
goto tl_sched; |
|
goon: |
|
usb_fill_bulk_urb(pegasus->rx_urb, pegasus->usb, |
|
usb_rcvbulkpipe(pegasus->usb, 1), |
|
pegasus->rx_skb->data, PEGASUS_MTU, |
|
read_bulk_callback, pegasus); |
|
rx_status = usb_submit_urb(pegasus->rx_urb, GFP_ATOMIC); |
|
if (rx_status == -ENODEV) |
|
netif_device_detach(pegasus->net); |
|
else if (rx_status) { |
|
pegasus->flags |= PEGASUS_RX_URB_FAIL; |
|
goto tl_sched; |
|
} else { |
|
pegasus->flags &= ~PEGASUS_RX_URB_FAIL; |
|
} |
|
|
|
return; |
|
|
|
tl_sched: |
|
tasklet_schedule(&pegasus->rx_tl); |
|
} |
|
|
|
static void rx_fixup(struct tasklet_struct *t) |
|
{ |
|
pegasus_t *pegasus = from_tasklet(pegasus, t, rx_tl); |
|
int status; |
|
|
|
if (pegasus->flags & PEGASUS_UNPLUG) |
|
return; |
|
|
|
if (pegasus->flags & PEGASUS_RX_URB_FAIL) |
|
if (pegasus->rx_skb) |
|
goto try_again; |
|
if (pegasus->rx_skb == NULL) |
|
pegasus->rx_skb = __netdev_alloc_skb_ip_align(pegasus->net, |
|
PEGASUS_MTU, |
|
GFP_ATOMIC); |
|
if (pegasus->rx_skb == NULL) { |
|
netif_warn(pegasus, rx_err, pegasus->net, "low on memory\n"); |
|
tasklet_schedule(&pegasus->rx_tl); |
|
return; |
|
} |
|
usb_fill_bulk_urb(pegasus->rx_urb, pegasus->usb, |
|
usb_rcvbulkpipe(pegasus->usb, 1), |
|
pegasus->rx_skb->data, PEGASUS_MTU, |
|
read_bulk_callback, pegasus); |
|
try_again: |
|
status = usb_submit_urb(pegasus->rx_urb, GFP_ATOMIC); |
|
if (status == -ENODEV) |
|
netif_device_detach(pegasus->net); |
|
else if (status) { |
|
pegasus->flags |= PEGASUS_RX_URB_FAIL; |
|
tasklet_schedule(&pegasus->rx_tl); |
|
} else { |
|
pegasus->flags &= ~PEGASUS_RX_URB_FAIL; |
|
} |
|
} |
|
|
|
static void write_bulk_callback(struct urb *urb) |
|
{ |
|
pegasus_t *pegasus = urb->context; |
|
struct net_device *net; |
|
int status = urb->status; |
|
|
|
if (!pegasus) |
|
return; |
|
|
|
net = pegasus->net; |
|
|
|
if (!netif_device_present(net) || !netif_running(net)) |
|
return; |
|
|
|
switch (status) { |
|
case -EPIPE: |
|
/* FIXME schedule_work() to clear the tx halt */ |
|
netif_stop_queue(net); |
|
netif_warn(pegasus, tx_err, net, "no tx stall recovery\n"); |
|
return; |
|
case -ENOENT: |
|
case -ECONNRESET: |
|
case -ESHUTDOWN: |
|
netif_dbg(pegasus, ifdown, net, "tx unlink, %d\n", status); |
|
return; |
|
default: |
|
netif_info(pegasus, tx_err, net, "TX status %d\n", status); |
|
fallthrough; |
|
case 0: |
|
break; |
|
} |
|
|
|
netif_trans_update(net); /* prevent tx timeout */ |
|
netif_wake_queue(net); |
|
} |
|
|
|
static void intr_callback(struct urb *urb) |
|
{ |
|
pegasus_t *pegasus = urb->context; |
|
struct net_device *net; |
|
int res, status = urb->status; |
|
|
|
if (!pegasus) |
|
return; |
|
net = pegasus->net; |
|
|
|
switch (status) { |
|
case 0: |
|
break; |
|
case -ECONNRESET: /* unlink */ |
|
case -ENOENT: |
|
case -ESHUTDOWN: |
|
return; |
|
default: |
|
/* some Pegasus-I products report LOTS of data |
|
* toggle errors... avoid log spamming |
|
*/ |
|
netif_dbg(pegasus, timer, net, "intr status %d\n", status); |
|
} |
|
|
|
if (urb->actual_length >= 6) { |
|
u8 *d = urb->transfer_buffer; |
|
|
|
/* byte 0 == tx_status1, reg 2B */ |
|
if (d[0] & (TX_UNDERRUN|EXCESSIVE_COL |
|
|LATE_COL|JABBER_TIMEOUT)) { |
|
net->stats.tx_errors++; |
|
if (d[0] & TX_UNDERRUN) |
|
net->stats.tx_fifo_errors++; |
|
if (d[0] & (EXCESSIVE_COL | JABBER_TIMEOUT)) |
|
net->stats.tx_aborted_errors++; |
|
if (d[0] & LATE_COL) |
|
net->stats.tx_window_errors++; |
|
} |
|
|
|
/* d[5].LINK_STATUS lies on some adapters. |
|
* d[0].NO_CARRIER kicks in only with failed TX. |
|
* ... so monitoring with MII may be safest. |
|
*/ |
|
|
|
/* bytes 3-4 == rx_lostpkt, reg 2E/2F */ |
|
net->stats.rx_missed_errors += ((d[3] & 0x7f) << 8) | d[4]; |
|
} |
|
|
|
res = usb_submit_urb(urb, GFP_ATOMIC); |
|
if (res == -ENODEV) |
|
netif_device_detach(pegasus->net); |
|
if (res) |
|
netif_err(pegasus, timer, net, |
|
"can't resubmit interrupt urb, %d\n", res); |
|
} |
|
|
|
static void pegasus_tx_timeout(struct net_device *net, unsigned int txqueue) |
|
{ |
|
pegasus_t *pegasus = netdev_priv(net); |
|
netif_warn(pegasus, timer, net, "tx timeout\n"); |
|
usb_unlink_urb(pegasus->tx_urb); |
|
net->stats.tx_errors++; |
|
} |
|
|
|
static netdev_tx_t pegasus_start_xmit(struct sk_buff *skb, |
|
struct net_device *net) |
|
{ |
|
pegasus_t *pegasus = netdev_priv(net); |
|
int count = ((skb->len + 2) & 0x3f) ? skb->len + 2 : skb->len + 3; |
|
int res; |
|
__u16 l16 = skb->len; |
|
|
|
netif_stop_queue(net); |
|
|
|
((__le16 *) pegasus->tx_buff)[0] = cpu_to_le16(l16); |
|
skb_copy_from_linear_data(skb, pegasus->tx_buff + 2, skb->len); |
|
usb_fill_bulk_urb(pegasus->tx_urb, pegasus->usb, |
|
usb_sndbulkpipe(pegasus->usb, 2), |
|
pegasus->tx_buff, count, |
|
write_bulk_callback, pegasus); |
|
if ((res = usb_submit_urb(pegasus->tx_urb, GFP_ATOMIC))) { |
|
netif_warn(pegasus, tx_err, net, "fail tx, %d\n", res); |
|
switch (res) { |
|
case -EPIPE: /* stall, or disconnect from TT */ |
|
/* cleanup should already have been scheduled */ |
|
break; |
|
case -ENODEV: /* disconnect() upcoming */ |
|
case -EPERM: |
|
netif_device_detach(pegasus->net); |
|
break; |
|
default: |
|
net->stats.tx_errors++; |
|
netif_start_queue(net); |
|
} |
|
} else { |
|
net->stats.tx_packets++; |
|
net->stats.tx_bytes += skb->len; |
|
} |
|
dev_kfree_skb(skb); |
|
|
|
return NETDEV_TX_OK; |
|
} |
|
|
|
static inline void disable_net_traffic(pegasus_t *pegasus) |
|
{ |
|
__le16 tmp = cpu_to_le16(0); |
|
|
|
set_registers(pegasus, EthCtrl0, sizeof(tmp), &tmp); |
|
} |
|
|
|
static inline int get_interrupt_interval(pegasus_t *pegasus) |
|
{ |
|
u16 data; |
|
u8 interval; |
|
int ret; |
|
|
|
ret = read_eprom_word(pegasus, 4, &data); |
|
if (ret < 0) |
|
return ret; |
|
|
|
interval = data >> 8; |
|
if (pegasus->usb->speed != USB_SPEED_HIGH) { |
|
if (interval < 0x80) { |
|
netif_info(pegasus, timer, pegasus->net, |
|
"intr interval changed from %ums to %ums\n", |
|
interval, 0x80); |
|
interval = 0x80; |
|
data = (data & 0x00FF) | ((u16)interval << 8); |
|
#ifdef PEGASUS_WRITE_EEPROM |
|
write_eprom_word(pegasus, 4, data); |
|
#endif |
|
} |
|
} |
|
pegasus->intr_interval = interval; |
|
|
|
return 0; |
|
} |
|
|
|
static void set_carrier(struct net_device *net) |
|
{ |
|
pegasus_t *pegasus = netdev_priv(net); |
|
u16 tmp; |
|
|
|
if (read_mii_word(pegasus, pegasus->phy, MII_BMSR, &tmp)) |
|
return; |
|
|
|
if (tmp & BMSR_LSTATUS) |
|
netif_carrier_on(net); |
|
else |
|
netif_carrier_off(net); |
|
} |
|
|
|
static void free_all_urbs(pegasus_t *pegasus) |
|
{ |
|
usb_free_urb(pegasus->intr_urb); |
|
usb_free_urb(pegasus->tx_urb); |
|
usb_free_urb(pegasus->rx_urb); |
|
} |
|
|
|
static void unlink_all_urbs(pegasus_t *pegasus) |
|
{ |
|
usb_kill_urb(pegasus->intr_urb); |
|
usb_kill_urb(pegasus->tx_urb); |
|
usb_kill_urb(pegasus->rx_urb); |
|
} |
|
|
|
static int alloc_urbs(pegasus_t *pegasus) |
|
{ |
|
int res = -ENOMEM; |
|
|
|
pegasus->rx_urb = usb_alloc_urb(0, GFP_KERNEL); |
|
if (!pegasus->rx_urb) { |
|
return res; |
|
} |
|
pegasus->tx_urb = usb_alloc_urb(0, GFP_KERNEL); |
|
if (!pegasus->tx_urb) { |
|
usb_free_urb(pegasus->rx_urb); |
|
return res; |
|
} |
|
pegasus->intr_urb = usb_alloc_urb(0, GFP_KERNEL); |
|
if (!pegasus->intr_urb) { |
|
usb_free_urb(pegasus->tx_urb); |
|
usb_free_urb(pegasus->rx_urb); |
|
return res; |
|
} |
|
|
|
return 0; |
|
} |
|
|
|
static int pegasus_open(struct net_device *net) |
|
{ |
|
pegasus_t *pegasus = netdev_priv(net); |
|
int res=-ENOMEM; |
|
|
|
if (pegasus->rx_skb == NULL) |
|
pegasus->rx_skb = __netdev_alloc_skb_ip_align(pegasus->net, |
|
PEGASUS_MTU, |
|
GFP_KERNEL); |
|
if (!pegasus->rx_skb) |
|
goto exit; |
|
|
|
set_registers(pegasus, EthID, 6, net->dev_addr); |
|
|
|
usb_fill_bulk_urb(pegasus->rx_urb, pegasus->usb, |
|
usb_rcvbulkpipe(pegasus->usb, 1), |
|
pegasus->rx_skb->data, PEGASUS_MTU, |
|
read_bulk_callback, pegasus); |
|
if ((res = usb_submit_urb(pegasus->rx_urb, GFP_KERNEL))) { |
|
if (res == -ENODEV) |
|
netif_device_detach(pegasus->net); |
|
netif_dbg(pegasus, ifup, net, "failed rx_urb, %d\n", res); |
|
goto exit; |
|
} |
|
|
|
usb_fill_int_urb(pegasus->intr_urb, pegasus->usb, |
|
usb_rcvintpipe(pegasus->usb, 3), |
|
pegasus->intr_buff, sizeof(pegasus->intr_buff), |
|
intr_callback, pegasus, pegasus->intr_interval); |
|
if ((res = usb_submit_urb(pegasus->intr_urb, GFP_KERNEL))) { |
|
if (res == -ENODEV) |
|
netif_device_detach(pegasus->net); |
|
netif_dbg(pegasus, ifup, net, "failed intr_urb, %d\n", res); |
|
usb_kill_urb(pegasus->rx_urb); |
|
goto exit; |
|
} |
|
res = enable_net_traffic(net, pegasus->usb); |
|
if (res < 0) { |
|
netif_dbg(pegasus, ifup, net, |
|
"can't enable_net_traffic() - %d\n", res); |
|
res = -EIO; |
|
usb_kill_urb(pegasus->rx_urb); |
|
usb_kill_urb(pegasus->intr_urb); |
|
goto exit; |
|
} |
|
set_carrier(net); |
|
netif_start_queue(net); |
|
netif_dbg(pegasus, ifup, net, "open\n"); |
|
res = 0; |
|
exit: |
|
return res; |
|
} |
|
|
|
static int pegasus_close(struct net_device *net) |
|
{ |
|
pegasus_t *pegasus = netdev_priv(net); |
|
|
|
netif_stop_queue(net); |
|
if (!(pegasus->flags & PEGASUS_UNPLUG)) |
|
disable_net_traffic(pegasus); |
|
tasklet_kill(&pegasus->rx_tl); |
|
unlink_all_urbs(pegasus); |
|
|
|
return 0; |
|
} |
|
|
|
static void pegasus_get_drvinfo(struct net_device *dev, |
|
struct ethtool_drvinfo *info) |
|
{ |
|
pegasus_t *pegasus = netdev_priv(dev); |
|
|
|
strlcpy(info->driver, driver_name, sizeof(info->driver)); |
|
usb_make_path(pegasus->usb, info->bus_info, sizeof(info->bus_info)); |
|
} |
|
|
|
/* also handles three patterns of some kind in hardware */ |
|
#define WOL_SUPPORTED (WAKE_MAGIC|WAKE_PHY) |
|
|
|
static void |
|
pegasus_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol) |
|
{ |
|
pegasus_t *pegasus = netdev_priv(dev); |
|
|
|
wol->supported = WAKE_MAGIC | WAKE_PHY; |
|
wol->wolopts = pegasus->wolopts; |
|
} |
|
|
|
static int |
|
pegasus_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol) |
|
{ |
|
pegasus_t *pegasus = netdev_priv(dev); |
|
u8 reg78 = 0x04; |
|
int ret; |
|
|
|
if (wol->wolopts & ~WOL_SUPPORTED) |
|
return -EINVAL; |
|
|
|
if (wol->wolopts & WAKE_MAGIC) |
|
reg78 |= 0x80; |
|
if (wol->wolopts & WAKE_PHY) |
|
reg78 |= 0x40; |
|
/* FIXME this 0x10 bit still needs to get set in the chip... */ |
|
if (wol->wolopts) |
|
pegasus->eth_regs[0] |= 0x10; |
|
else |
|
pegasus->eth_regs[0] &= ~0x10; |
|
pegasus->wolopts = wol->wolopts; |
|
|
|
ret = set_register(pegasus, WakeupControl, reg78); |
|
if (!ret) |
|
ret = device_set_wakeup_enable(&pegasus->usb->dev, |
|
wol->wolopts); |
|
return ret; |
|
} |
|
|
|
static inline void pegasus_reset_wol(struct net_device *dev) |
|
{ |
|
struct ethtool_wolinfo wol; |
|
|
|
memset(&wol, 0, sizeof wol); |
|
(void) pegasus_set_wol(dev, &wol); |
|
} |
|
|
|
static int |
|
pegasus_get_link_ksettings(struct net_device *dev, |
|
struct ethtool_link_ksettings *ecmd) |
|
{ |
|
pegasus_t *pegasus; |
|
|
|
pegasus = netdev_priv(dev); |
|
mii_ethtool_get_link_ksettings(&pegasus->mii, ecmd); |
|
return 0; |
|
} |
|
|
|
static int |
|
pegasus_set_link_ksettings(struct net_device *dev, |
|
const struct ethtool_link_ksettings *ecmd) |
|
{ |
|
pegasus_t *pegasus = netdev_priv(dev); |
|
return mii_ethtool_set_link_ksettings(&pegasus->mii, ecmd); |
|
} |
|
|
|
static int pegasus_nway_reset(struct net_device *dev) |
|
{ |
|
pegasus_t *pegasus = netdev_priv(dev); |
|
return mii_nway_restart(&pegasus->mii); |
|
} |
|
|
|
static u32 pegasus_get_link(struct net_device *dev) |
|
{ |
|
pegasus_t *pegasus = netdev_priv(dev); |
|
return mii_link_ok(&pegasus->mii); |
|
} |
|
|
|
static u32 pegasus_get_msglevel(struct net_device *dev) |
|
{ |
|
pegasus_t *pegasus = netdev_priv(dev); |
|
return pegasus->msg_enable; |
|
} |
|
|
|
static void pegasus_set_msglevel(struct net_device *dev, u32 v) |
|
{ |
|
pegasus_t *pegasus = netdev_priv(dev); |
|
pegasus->msg_enable = v; |
|
} |
|
|
|
static const struct ethtool_ops ops = { |
|
.get_drvinfo = pegasus_get_drvinfo, |
|
.nway_reset = pegasus_nway_reset, |
|
.get_link = pegasus_get_link, |
|
.get_msglevel = pegasus_get_msglevel, |
|
.set_msglevel = pegasus_set_msglevel, |
|
.get_wol = pegasus_get_wol, |
|
.set_wol = pegasus_set_wol, |
|
.get_link_ksettings = pegasus_get_link_ksettings, |
|
.set_link_ksettings = pegasus_set_link_ksettings, |
|
}; |
|
|
|
static int pegasus_siocdevprivate(struct net_device *net, struct ifreq *rq, |
|
void __user *udata, int cmd) |
|
{ |
|
__u16 *data = (__u16 *) &rq->ifr_ifru; |
|
pegasus_t *pegasus = netdev_priv(net); |
|
int res; |
|
|
|
switch (cmd) { |
|
case SIOCDEVPRIVATE: |
|
data[0] = pegasus->phy; |
|
fallthrough; |
|
case SIOCDEVPRIVATE + 1: |
|
res = read_mii_word(pegasus, data[0], data[1] & 0x1f, &data[3]); |
|
break; |
|
case SIOCDEVPRIVATE + 2: |
|
if (!capable(CAP_NET_ADMIN)) |
|
return -EPERM; |
|
write_mii_word(pegasus, pegasus->phy, data[1] & 0x1f, &data[2]); |
|
res = 0; |
|
break; |
|
default: |
|
res = -EOPNOTSUPP; |
|
} |
|
return res; |
|
} |
|
|
|
static void pegasus_set_multicast(struct net_device *net) |
|
{ |
|
pegasus_t *pegasus = netdev_priv(net); |
|
|
|
if (net->flags & IFF_PROMISC) { |
|
pegasus->eth_regs[EthCtrl2] |= RX_PROMISCUOUS; |
|
netif_info(pegasus, link, net, "Promiscuous mode enabled\n"); |
|
} else if (!netdev_mc_empty(net) || (net->flags & IFF_ALLMULTI)) { |
|
pegasus->eth_regs[EthCtrl0] |= RX_MULTICAST; |
|
pegasus->eth_regs[EthCtrl2] &= ~RX_PROMISCUOUS; |
|
netif_dbg(pegasus, link, net, "set allmulti\n"); |
|
} else { |
|
pegasus->eth_regs[EthCtrl0] &= ~RX_MULTICAST; |
|
pegasus->eth_regs[EthCtrl2] &= ~RX_PROMISCUOUS; |
|
} |
|
update_eth_regs_async(pegasus); |
|
} |
|
|
|
static __u8 mii_phy_probe(pegasus_t *pegasus) |
|
{ |
|
int i, ret; |
|
__u16 tmp; |
|
|
|
for (i = 0; i < 32; i++) { |
|
ret = read_mii_word(pegasus, i, MII_BMSR, &tmp); |
|
if (ret < 0) |
|
goto fail; |
|
if (tmp == 0 || tmp == 0xffff || (tmp & BMSR_MEDIA) == 0) |
|
continue; |
|
else |
|
return i; |
|
} |
|
fail: |
|
return 0xff; |
|
} |
|
|
|
static inline void setup_pegasus_II(pegasus_t *pegasus) |
|
{ |
|
int ret; |
|
__u8 data = 0xa5; |
|
|
|
set_register(pegasus, Reg1d, 0); |
|
set_register(pegasus, Reg7b, 1); |
|
msleep(100); |
|
if ((pegasus->features & HAS_HOME_PNA) && mii_mode) |
|
set_register(pegasus, Reg7b, 0); |
|
else |
|
set_register(pegasus, Reg7b, 2); |
|
|
|
set_register(pegasus, 0x83, data); |
|
ret = get_registers(pegasus, 0x83, 1, &data); |
|
if (ret < 0) |
|
goto fail; |
|
|
|
if (data == 0xa5) |
|
pegasus->chip = 0x8513; |
|
else |
|
pegasus->chip = 0; |
|
|
|
set_register(pegasus, 0x80, 0xc0); |
|
set_register(pegasus, 0x83, 0xff); |
|
set_register(pegasus, 0x84, 0x01); |
|
|
|
if (pegasus->features & HAS_HOME_PNA && mii_mode) |
|
set_register(pegasus, Reg81, 6); |
|
else |
|
set_register(pegasus, Reg81, 2); |
|
|
|
return; |
|
fail: |
|
netif_dbg(pegasus, drv, pegasus->net, "%s failed\n", __func__); |
|
} |
|
|
|
static void check_carrier(struct work_struct *work) |
|
{ |
|
pegasus_t *pegasus = container_of(work, pegasus_t, carrier_check.work); |
|
set_carrier(pegasus->net); |
|
if (!(pegasus->flags & PEGASUS_UNPLUG)) { |
|
queue_delayed_work(system_long_wq, &pegasus->carrier_check, |
|
CARRIER_CHECK_DELAY); |
|
} |
|
} |
|
|
|
static int pegasus_blacklisted(struct usb_device *udev) |
|
{ |
|
struct usb_device_descriptor *udd = &udev->descriptor; |
|
|
|
/* Special quirk to keep the driver from handling the Belkin Bluetooth |
|
* dongle which happens to have the same ID. |
|
*/ |
|
if ((udd->idVendor == cpu_to_le16(VENDOR_BELKIN)) && |
|
(udd->idProduct == cpu_to_le16(0x0121)) && |
|
(udd->bDeviceClass == USB_CLASS_WIRELESS_CONTROLLER) && |
|
(udd->bDeviceProtocol == 1)) |
|
return 1; |
|
|
|
return 0; |
|
} |
|
|
|
static int pegasus_probe(struct usb_interface *intf, |
|
const struct usb_device_id *id) |
|
{ |
|
struct usb_device *dev = interface_to_usbdev(intf); |
|
struct net_device *net; |
|
pegasus_t *pegasus; |
|
int dev_index = id - pegasus_ids; |
|
int res = -ENOMEM; |
|
|
|
if (pegasus_blacklisted(dev)) |
|
return -ENODEV; |
|
|
|
net = alloc_etherdev(sizeof(struct pegasus)); |
|
if (!net) |
|
goto out; |
|
|
|
pegasus = netdev_priv(net); |
|
pegasus->dev_index = dev_index; |
|
|
|
res = alloc_urbs(pegasus); |
|
if (res < 0) { |
|
dev_err(&intf->dev, "can't allocate %s\n", "urbs"); |
|
goto out1; |
|
} |
|
|
|
tasklet_setup(&pegasus->rx_tl, rx_fixup); |
|
|
|
INIT_DELAYED_WORK(&pegasus->carrier_check, check_carrier); |
|
|
|
pegasus->intf = intf; |
|
pegasus->usb = dev; |
|
pegasus->net = net; |
|
|
|
|
|
net->watchdog_timeo = PEGASUS_TX_TIMEOUT; |
|
net->netdev_ops = &pegasus_netdev_ops; |
|
net->ethtool_ops = &ops; |
|
pegasus->mii.dev = net; |
|
pegasus->mii.mdio_read = mdio_read; |
|
pegasus->mii.mdio_write = mdio_write; |
|
pegasus->mii.phy_id_mask = 0x1f; |
|
pegasus->mii.reg_num_mask = 0x1f; |
|
pegasus->msg_enable = netif_msg_init(msg_level, NETIF_MSG_DRV |
|
| NETIF_MSG_PROBE | NETIF_MSG_LINK); |
|
|
|
pegasus->features = usb_dev_id[dev_index].private; |
|
res = get_interrupt_interval(pegasus); |
|
if (res) |
|
goto out2; |
|
if (reset_mac(pegasus)) { |
|
dev_err(&intf->dev, "can't reset MAC\n"); |
|
res = -EIO; |
|
goto out2; |
|
} |
|
set_ethernet_addr(pegasus); |
|
if (pegasus->features & PEGASUS_II) { |
|
dev_info(&intf->dev, "setup Pegasus II specific registers\n"); |
|
setup_pegasus_II(pegasus); |
|
} |
|
pegasus->phy = mii_phy_probe(pegasus); |
|
if (pegasus->phy == 0xff) { |
|
dev_warn(&intf->dev, "can't locate MII phy, using default\n"); |
|
pegasus->phy = 1; |
|
} |
|
pegasus->mii.phy_id = pegasus->phy; |
|
usb_set_intfdata(intf, pegasus); |
|
SET_NETDEV_DEV(net, &intf->dev); |
|
pegasus_reset_wol(net); |
|
res = register_netdev(net); |
|
if (res) |
|
goto out3; |
|
queue_delayed_work(system_long_wq, &pegasus->carrier_check, |
|
CARRIER_CHECK_DELAY); |
|
dev_info(&intf->dev, "%s, %s, %pM\n", net->name, |
|
usb_dev_id[dev_index].name, net->dev_addr); |
|
return 0; |
|
|
|
out3: |
|
usb_set_intfdata(intf, NULL); |
|
out2: |
|
free_all_urbs(pegasus); |
|
out1: |
|
free_netdev(net); |
|
out: |
|
return res; |
|
} |
|
|
|
static void pegasus_disconnect(struct usb_interface *intf) |
|
{ |
|
struct pegasus *pegasus = usb_get_intfdata(intf); |
|
|
|
usb_set_intfdata(intf, NULL); |
|
if (!pegasus) { |
|
dev_dbg(&intf->dev, "unregistering non-bound device?\n"); |
|
return; |
|
} |
|
|
|
pegasus->flags |= PEGASUS_UNPLUG; |
|
cancel_delayed_work_sync(&pegasus->carrier_check); |
|
unregister_netdev(pegasus->net); |
|
unlink_all_urbs(pegasus); |
|
free_all_urbs(pegasus); |
|
if (pegasus->rx_skb != NULL) { |
|
dev_kfree_skb(pegasus->rx_skb); |
|
pegasus->rx_skb = NULL; |
|
} |
|
free_netdev(pegasus->net); |
|
} |
|
|
|
static int pegasus_suspend(struct usb_interface *intf, pm_message_t message) |
|
{ |
|
struct pegasus *pegasus = usb_get_intfdata(intf); |
|
|
|
netif_device_detach(pegasus->net); |
|
cancel_delayed_work_sync(&pegasus->carrier_check); |
|
if (netif_running(pegasus->net)) { |
|
usb_kill_urb(pegasus->rx_urb); |
|
usb_kill_urb(pegasus->intr_urb); |
|
} |
|
return 0; |
|
} |
|
|
|
static int pegasus_resume(struct usb_interface *intf) |
|
{ |
|
struct pegasus *pegasus = usb_get_intfdata(intf); |
|
|
|
netif_device_attach(pegasus->net); |
|
if (netif_running(pegasus->net)) { |
|
pegasus->rx_urb->status = 0; |
|
pegasus->rx_urb->actual_length = 0; |
|
read_bulk_callback(pegasus->rx_urb); |
|
|
|
pegasus->intr_urb->status = 0; |
|
pegasus->intr_urb->actual_length = 0; |
|
intr_callback(pegasus->intr_urb); |
|
} |
|
queue_delayed_work(system_long_wq, &pegasus->carrier_check, |
|
CARRIER_CHECK_DELAY); |
|
return 0; |
|
} |
|
|
|
static const struct net_device_ops pegasus_netdev_ops = { |
|
.ndo_open = pegasus_open, |
|
.ndo_stop = pegasus_close, |
|
.ndo_siocdevprivate = pegasus_siocdevprivate, |
|
.ndo_start_xmit = pegasus_start_xmit, |
|
.ndo_set_rx_mode = pegasus_set_multicast, |
|
.ndo_tx_timeout = pegasus_tx_timeout, |
|
.ndo_set_mac_address = eth_mac_addr, |
|
.ndo_validate_addr = eth_validate_addr, |
|
}; |
|
|
|
static struct usb_driver pegasus_driver = { |
|
.name = driver_name, |
|
.probe = pegasus_probe, |
|
.disconnect = pegasus_disconnect, |
|
.id_table = pegasus_ids, |
|
.suspend = pegasus_suspend, |
|
.resume = pegasus_resume, |
|
.disable_hub_initiated_lpm = 1, |
|
}; |
|
|
|
static void __init parse_id(char *id) |
|
{ |
|
unsigned int vendor_id = 0, device_id = 0, flags = 0, i = 0; |
|
char *token, *name = NULL; |
|
|
|
if ((token = strsep(&id, ":")) != NULL) |
|
name = token; |
|
/* name now points to a null terminated string*/ |
|
if ((token = strsep(&id, ":")) != NULL) |
|
vendor_id = simple_strtoul(token, NULL, 16); |
|
if ((token = strsep(&id, ":")) != NULL) |
|
device_id = simple_strtoul(token, NULL, 16); |
|
flags = simple_strtoul(id, NULL, 16); |
|
pr_info("%s: new device %s, vendor ID 0x%04x, device ID 0x%04x, flags: 0x%x\n", |
|
driver_name, name, vendor_id, device_id, flags); |
|
|
|
if (vendor_id > 0x10000 || vendor_id == 0) |
|
return; |
|
if (device_id > 0x10000 || device_id == 0) |
|
return; |
|
|
|
for (i = 0; usb_dev_id[i].name; i++); |
|
usb_dev_id[i].name = name; |
|
usb_dev_id[i].vendor = vendor_id; |
|
usb_dev_id[i].device = device_id; |
|
usb_dev_id[i].private = flags; |
|
pegasus_ids[i].match_flags = USB_DEVICE_ID_MATCH_DEVICE; |
|
pegasus_ids[i].idVendor = vendor_id; |
|
pegasus_ids[i].idProduct = device_id; |
|
} |
|
|
|
static int __init pegasus_init(void) |
|
{ |
|
pr_info("%s: " DRIVER_DESC "\n", driver_name); |
|
if (devid) |
|
parse_id(devid); |
|
return usb_register(&pegasus_driver); |
|
} |
|
|
|
static void __exit pegasus_exit(void) |
|
{ |
|
usb_deregister(&pegasus_driver); |
|
} |
|
|
|
module_init(pegasus_init); |
|
module_exit(pegasus_exit);
|
|
|