2 * Copyright (c) 2002 Petko Manolov (petkan@users.sourceforge.net)
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License
6 * version 2 as published by the Free Software Foundation.
9 #include <linux/init.h>
10 #include <linux/signal.h>
11 #include <linux/slab.h>
12 #include <linux/module.h>
13 #include <linux/netdevice.h>
14 #include <linux/etherdevice.h>
15 #include <linux/mii.h>
16 #include <linux/ethtool.h>
17 #include <linux/usb.h>
18 #include <asm/uaccess.h>
20 /* Version Information */
21 #define DRIVER_VERSION "v0.6.2 (2004/08/27)"
22 #define DRIVER_AUTHOR "Petko Manolov <petkan@users.sourceforge.net>"
23 #define DRIVER_DESC "rtl8150 based usb-ethernet driver"
44 #define CSCR 0x014C /* This one has the link status */
45 #define CSCR_LINK_STATUS (1 << 3)
47 #define IDR_EEPROM 0x1202
50 #define PHY_WRITE 0x20
53 #define MII_TIMEOUT 10
56 #define RTL8150_REQT_READ 0xc0
57 #define RTL8150_REQT_WRITE 0x40
58 #define RTL8150_REQ_GET_REGS 0x05
59 #define RTL8150_REQ_SET_REGS 0x05
62 /* Transmit status register errors */
63 #define TSR_ECOL (1<<5)
64 #define TSR_LCOL (1<<4)
65 #define TSR_LOSS_CRS (1<<3)
66 #define TSR_JBR (1<<2)
67 #define TSR_ERRORS (TSR_ECOL | TSR_LCOL | TSR_LOSS_CRS | TSR_JBR)
68 /* Receive status register errors */
69 #define RSR_CRC (1<<2)
70 #define RSR_FAE (1<<1)
71 #define RSR_ERRORS (RSR_CRC | RSR_FAE)
73 /* Media status register definitions */
74 #define MSR_DUPLEX (1<<4)
75 #define MSR_SPEED (1<<3)
76 #define MSR_LINK (1<<2)
78 /* Interrupt pipe data */
82 #define INT_WAKSR 0x03
83 #define INT_TXOK_CNT 0x04
84 #define INT_RXLOST_CNT 0x05
85 #define INT_CRERR_CNT 0x06
86 #define INT_COL_CNT 0x07
88 /* Transmit status register errors */
89 #define TSR_ECOL (1<<5)
90 #define TSR_LCOL (1<<4)
91 #define TSR_LOSS_CRS (1<<3)
92 #define TSR_JBR (1<<2)
93 #define TSR_ERRORS (TSR_ECOL | TSR_LCOL | TSR_LOSS_CRS | TSR_JBR)
94 /* Receive status register errors */
95 #define RSR_CRC (1<<2)
96 #define RSR_FAE (1<<1)
97 #define RSR_ERRORS (RSR_CRC | RSR_FAE)
99 /* Media status register definitions */
100 #define MSR_DUPLEX (1<<4)
101 #define MSR_SPEED (1<<3)
102 #define MSR_LINK (1<<2)
104 /* Interrupt pipe data */
108 #define INT_WAKSR 0x03
109 #define INT_TXOK_CNT 0x04
110 #define INT_RXLOST_CNT 0x05
111 #define INT_CRERR_CNT 0x06
112 #define INT_COL_CNT 0x07
115 #define RTL8150_MTU 1540
116 #define RTL8150_TX_TIMEOUT (HZ)
117 #define RX_SKB_POOL_SIZE 4
120 #define RTL8150_HW_CRC 0
122 #define RTL8150_UNPLUG 2
123 #define RX_URB_FAIL 3
125 /* Define these values to match your device */
126 #define VENDOR_ID_REALTEK 0x0bda
127 #define VENDOR_ID_MELCO 0x0411
128 #define VENDOR_ID_MICRONET 0x3980
129 #define VENDOR_ID_LONGSHINE 0x07b8
130 #define VENDOR_ID_OQO 0x1557
131 #define VENDOR_ID_ZYXEL 0x0586
133 #define PRODUCT_ID_RTL8150 0x8150
134 #define PRODUCT_ID_LUAKTX 0x0012
135 #define PRODUCT_ID_LCS8138TX 0x401a
136 #define PRODUCT_ID_SP128AR 0x0003
137 #define PRODUCT_ID_PRESTIGE 0x401a
141 /* table of devices that work with this driver */
142 static struct usb_device_id rtl8150_table[] = {
143 {USB_DEVICE(VENDOR_ID_REALTEK, PRODUCT_ID_RTL8150)},
144 {USB_DEVICE(VENDOR_ID_MELCO, PRODUCT_ID_LUAKTX)},
145 {USB_DEVICE(VENDOR_ID_MICRONET, PRODUCT_ID_SP128AR)},
146 {USB_DEVICE(VENDOR_ID_LONGSHINE, PRODUCT_ID_LCS8138TX)},
147 {USB_DEVICE(VENDOR_ID_OQO, PRODUCT_ID_RTL8150)},
148 {USB_DEVICE(VENDOR_ID_ZYXEL, PRODUCT_ID_PRESTIGE)},
152 MODULE_DEVICE_TABLE(usb, rtl8150_table);
156 struct usb_device *udev;
157 struct tasklet_struct tl;
158 struct net_device *netdev;
159 struct urb *rx_urb, *tx_urb, *intr_urb, *ctrl_urb;
160 struct sk_buff *tx_skb, *rx_skb;
161 struct sk_buff *rx_skb_pool[RX_SKB_POOL_SIZE];
162 spinlock_t rx_pool_lock;
163 struct usb_ctrlrequest dr;
170 typedef struct rtl8150 rtl8150_t;
172 static void fill_skb_pool(rtl8150_t *);
173 static void free_skb_pool(rtl8150_t *);
174 static inline struct sk_buff *pull_skb(rtl8150_t *);
175 static void rtl8150_disconnect(struct usb_interface *intf);
176 static int rtl8150_probe(struct usb_interface *intf,
177 const struct usb_device_id *id);
178 static int rtl8150_suspend(struct usb_interface *intf, pm_message_t message);
179 static int rtl8150_resume(struct usb_interface *intf);
181 static const char driver_name [] = "rtl8150";
183 static struct usb_driver rtl8150_driver = {
185 .probe = rtl8150_probe,
186 .disconnect = rtl8150_disconnect,
187 .id_table = rtl8150_table,
188 .suspend = rtl8150_suspend,
189 .resume = rtl8150_resume
194 ** device related part of the code
197 static int get_registers(rtl8150_t * dev, u16 indx, u16 size, void *data)
199 return usb_control_msg(dev->udev, usb_rcvctrlpipe(dev->udev, 0),
200 RTL8150_REQ_GET_REGS, RTL8150_REQT_READ,
201 indx, 0, data, size, 500);
204 static int set_registers(rtl8150_t * dev, u16 indx, u16 size, void *data)
206 return usb_control_msg(dev->udev, usb_sndctrlpipe(dev->udev, 0),
207 RTL8150_REQ_SET_REGS, RTL8150_REQT_WRITE,
208 indx, 0, data, size, 500);
211 static void ctrl_callback(struct urb *urb)
214 int status = urb->status;
224 if (printk_ratelimit())
225 dev_warn(&urb->dev->dev, "ctrl urb status %d\n", status);
228 clear_bit(RX_REG_SET, &dev->flags);
231 static int async_set_registers(rtl8150_t * dev, u16 indx, u16 size)
235 if (test_bit(RX_REG_SET, &dev->flags))
238 dev->dr.bRequestType = RTL8150_REQT_WRITE;
239 dev->dr.bRequest = RTL8150_REQ_SET_REGS;
240 dev->dr.wValue = cpu_to_le16(indx);
242 dev->dr.wLength = cpu_to_le16(size);
243 dev->ctrl_urb->transfer_buffer_length = size;
244 usb_fill_control_urb(dev->ctrl_urb, dev->udev,
245 usb_sndctrlpipe(dev->udev, 0), (char *) &dev->dr,
246 &dev->rx_creg, size, ctrl_callback, dev);
247 if ((ret = usb_submit_urb(dev->ctrl_urb, GFP_ATOMIC))) {
249 netif_device_detach(dev->netdev);
250 err("control request submission failed: %d", ret);
252 set_bit(RX_REG_SET, &dev->flags);
257 static int read_mii_word(rtl8150_t * dev, u8 phy, __u8 indx, u16 * reg)
263 data[1] = data[2] = 0;
264 tmp = indx | PHY_READ | PHY_GO;
267 set_registers(dev, PHYADD, sizeof(data), data);
268 set_registers(dev, PHYCNT, 1, &tmp);
270 get_registers(dev, PHYCNT, 1, data);
271 } while ((data[0] & PHY_GO) && (i++ < MII_TIMEOUT));
273 if (i < MII_TIMEOUT) {
274 get_registers(dev, PHYDAT, 2, data);
275 *reg = data[0] | (data[1] << 8);
281 static int write_mii_word(rtl8150_t * dev, u8 phy, __u8 indx, u16 reg)
287 data[1] = reg & 0xff;
288 data[2] = (reg >> 8) & 0xff;
289 tmp = indx | PHY_WRITE | PHY_GO;
292 set_registers(dev, PHYADD, sizeof(data), data);
293 set_registers(dev, PHYCNT, 1, &tmp);
295 get_registers(dev, PHYCNT, 1, data);
296 } while ((data[0] & PHY_GO) && (i++ < MII_TIMEOUT));
304 static inline void set_ethernet_addr(rtl8150_t * dev)
308 get_registers(dev, IDR, sizeof(node_id), node_id);
309 memcpy(dev->netdev->dev_addr, node_id, sizeof(node_id));
312 static int rtl8150_set_mac_address(struct net_device *netdev, void *p)
314 struct sockaddr *addr = p;
315 rtl8150_t *dev = netdev_priv(netdev);
318 if (netif_running(netdev))
321 memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
322 dbg("%s: Setting MAC address to ", netdev->name);
323 for (i = 0; i < 5; i++)
324 dbg("%02X:", netdev->dev_addr[i]);
325 dbg("%02X\n", netdev->dev_addr[i]);
326 /* Set the IDR registers. */
327 set_registers(dev, IDR, sizeof(netdev->dev_addr), netdev->dev_addr);
331 /* Get the CR contents. */
332 get_registers(dev, CR, 1, &cr);
333 /* Set the WEPROM bit (eeprom write enable). */
335 set_registers(dev, CR, 1, &cr);
336 /* Write the MAC address into eeprom. Eeprom writes must be word-sized,
337 so we need to split them up. */
338 for (i = 0; i * 2 < netdev->addr_len; i++) {
339 set_registers(dev, IDR_EEPROM + (i * 2), 2,
340 netdev->dev_addr + (i * 2));
342 /* Clear the WEPROM bit (preventing accidental eeprom writes). */
344 set_registers(dev, CR, 1, &cr);
350 static int rtl8150_reset(rtl8150_t * dev)
355 set_registers(dev, CR, 1, &data);
357 get_registers(dev, CR, 1, &data);
358 } while ((data & 0x10) && --i);
360 return (i > 0) ? 1 : 0;
363 static int alloc_all_urbs(rtl8150_t * dev)
365 dev->rx_urb = usb_alloc_urb(0, GFP_KERNEL);
368 dev->tx_urb = usb_alloc_urb(0, GFP_KERNEL);
370 usb_free_urb(dev->rx_urb);
373 dev->intr_urb = usb_alloc_urb(0, GFP_KERNEL);
374 if (!dev->intr_urb) {
375 usb_free_urb(dev->rx_urb);
376 usb_free_urb(dev->tx_urb);
379 dev->ctrl_urb = usb_alloc_urb(0, GFP_KERNEL);
380 if (!dev->ctrl_urb) {
381 usb_free_urb(dev->rx_urb);
382 usb_free_urb(dev->tx_urb);
383 usb_free_urb(dev->intr_urb);
390 static void free_all_urbs(rtl8150_t * dev)
392 usb_free_urb(dev->rx_urb);
393 usb_free_urb(dev->tx_urb);
394 usb_free_urb(dev->intr_urb);
395 usb_free_urb(dev->ctrl_urb);
398 static void unlink_all_urbs(rtl8150_t * dev)
400 usb_kill_urb(dev->rx_urb);
401 usb_kill_urb(dev->tx_urb);
402 usb_kill_urb(dev->intr_urb);
403 usb_kill_urb(dev->ctrl_urb);
406 static inline struct sk_buff *pull_skb(rtl8150_t *dev)
411 for (i = 0; i < RX_SKB_POOL_SIZE; i++) {
412 if (dev->rx_skb_pool[i]) {
413 skb = dev->rx_skb_pool[i];
414 dev->rx_skb_pool[i] = NULL;
421 static void read_bulk_callback(struct urb *urb)
424 unsigned pkt_len, res;
426 struct net_device *netdev;
428 int status = urb->status;
434 if (test_bit(RTL8150_UNPLUG, &dev->flags))
436 netdev = dev->netdev;
437 if (!netif_device_present(netdev))
444 return; /* the urb is in unlink state */
446 if (printk_ratelimit())
447 dev_warn(&urb->dev->dev, "may be reset is needed?..\n");
450 if (printk_ratelimit())
451 dev_warn(&urb->dev->dev, "Rx status %d\n", status);
457 /* protect against short packets (tell me why we got some?!?) */
458 if (urb->actual_length < 4)
461 res = urb->actual_length;
462 rx_stat = le16_to_cpu(*(__le16 *)(urb->transfer_buffer + res - 4));
465 skb_put(dev->rx_skb, pkt_len);
466 dev->rx_skb->protocol = eth_type_trans(dev->rx_skb, netdev);
467 netif_rx(dev->rx_skb);
468 netdev->stats.rx_packets++;
469 netdev->stats.rx_bytes += pkt_len;
471 spin_lock(&dev->rx_pool_lock);
473 spin_unlock(&dev->rx_pool_lock);
479 usb_fill_bulk_urb(dev->rx_urb, dev->udev, usb_rcvbulkpipe(dev->udev, 1),
480 dev->rx_skb->data, RTL8150_MTU, read_bulk_callback, dev);
481 result = usb_submit_urb(dev->rx_urb, GFP_ATOMIC);
482 if (result == -ENODEV)
483 netif_device_detach(dev->netdev);
485 set_bit(RX_URB_FAIL, &dev->flags);
488 clear_bit(RX_URB_FAIL, &dev->flags);
493 tasklet_schedule(&dev->tl);
496 static void rx_fixup(unsigned long data)
502 dev = (rtl8150_t *)data;
504 spin_lock_irq(&dev->rx_pool_lock);
506 spin_unlock_irq(&dev->rx_pool_lock);
507 if (test_bit(RX_URB_FAIL, &dev->flags))
510 spin_lock_irq(&dev->rx_pool_lock);
512 spin_unlock_irq(&dev->rx_pool_lock);
516 usb_fill_bulk_urb(dev->rx_urb, dev->udev, usb_rcvbulkpipe(dev->udev, 1),
517 dev->rx_skb->data, RTL8150_MTU, read_bulk_callback, dev);
519 status = usb_submit_urb(dev->rx_urb, GFP_ATOMIC);
520 if (status == -ENODEV) {
521 netif_device_detach(dev->netdev);
523 set_bit(RX_URB_FAIL, &dev->flags);
526 clear_bit(RX_URB_FAIL, &dev->flags);
531 tasklet_schedule(&dev->tl);
534 static void write_bulk_callback(struct urb *urb)
537 int status = urb->status;
542 dev_kfree_skb_irq(dev->tx_skb);
543 if (!netif_device_present(dev->netdev))
546 dev_info(&urb->dev->dev, "%s: Tx status %d\n",
547 dev->netdev->name, status);
548 dev->netdev->trans_start = jiffies;
549 netif_wake_queue(dev->netdev);
552 static void intr_callback(struct urb *urb)
556 int status = urb->status;
563 case 0: /* success */
565 case -ECONNRESET: /* unlink */
569 /* -EPIPE: should clear the halt */
571 dev_info(&urb->dev->dev, "%s: intr status %d\n",
572 dev->netdev->name, status);
576 d = urb->transfer_buffer;
577 if (d[0] & TSR_ERRORS) {
578 dev->netdev->stats.tx_errors++;
579 if (d[INT_TSR] & (TSR_ECOL | TSR_JBR))
580 dev->netdev->stats.tx_aborted_errors++;
581 if (d[INT_TSR] & TSR_LCOL)
582 dev->netdev->stats.tx_window_errors++;
583 if (d[INT_TSR] & TSR_LOSS_CRS)
584 dev->netdev->stats.tx_carrier_errors++;
586 /* Report link status changes to the network stack */
587 if ((d[INT_MSR] & MSR_LINK) == 0) {
588 if (netif_carrier_ok(dev->netdev)) {
589 netif_carrier_off(dev->netdev);
590 dbg("%s: LINK LOST\n", __func__);
593 if (!netif_carrier_ok(dev->netdev)) {
594 netif_carrier_on(dev->netdev);
595 dbg("%s: LINK CAME BACK\n", __func__);
600 res = usb_submit_urb (urb, GFP_ATOMIC);
602 netif_device_detach(dev->netdev);
604 err ("can't resubmit intr, %s-%s/input0, status %d",
605 dev->udev->bus->bus_name,
606 dev->udev->devpath, res);
609 static int rtl8150_suspend(struct usb_interface *intf, pm_message_t message)
611 rtl8150_t *dev = usb_get_intfdata(intf);
613 netif_device_detach(dev->netdev);
615 if (netif_running(dev->netdev)) {
616 usb_kill_urb(dev->rx_urb);
617 usb_kill_urb(dev->intr_urb);
622 static int rtl8150_resume(struct usb_interface *intf)
624 rtl8150_t *dev = usb_get_intfdata(intf);
626 netif_device_attach(dev->netdev);
627 if (netif_running(dev->netdev)) {
628 dev->rx_urb->status = 0;
629 dev->rx_urb->actual_length = 0;
630 read_bulk_callback(dev->rx_urb);
632 dev->intr_urb->status = 0;
633 dev->intr_urb->actual_length = 0;
634 intr_callback(dev->intr_urb);
641 ** network related part of the code
645 static void fill_skb_pool(rtl8150_t *dev)
650 for (i = 0; i < RX_SKB_POOL_SIZE; i++) {
651 if (dev->rx_skb_pool[i])
653 skb = dev_alloc_skb(RTL8150_MTU + 2);
658 dev->rx_skb_pool[i] = skb;
662 static void free_skb_pool(rtl8150_t *dev)
666 for (i = 0; i < RX_SKB_POOL_SIZE; i++)
667 if (dev->rx_skb_pool[i])
668 dev_kfree_skb(dev->rx_skb_pool[i]);
671 static int enable_net_traffic(rtl8150_t * dev)
673 u8 cr, tcr, rcr, msr;
675 if (!rtl8150_reset(dev)) {
676 dev_warn(&dev->udev->dev, "device reset failed\n");
678 /* RCR bit7=1 attach Rx info at the end; =0 HW CRC (which is broken) */
680 dev->rx_creg = cpu_to_le16(rcr);
684 set_bit(RTL8150_HW_CRC, &dev->flags);
685 set_registers(dev, RCR, 1, &rcr);
686 set_registers(dev, TCR, 1, &tcr);
687 set_registers(dev, CR, 1, &cr);
688 get_registers(dev, MSR, 1, &msr);
693 static void disable_net_traffic(rtl8150_t * dev)
697 get_registers(dev, CR, 1, &cr);
699 set_registers(dev, CR, 1, &cr);
702 static void rtl8150_tx_timeout(struct net_device *netdev)
704 rtl8150_t *dev = netdev_priv(netdev);
705 dev_warn(&netdev->dev, "Tx timeout.\n");
706 usb_unlink_urb(dev->tx_urb);
707 netdev->stats.tx_errors++;
710 static void rtl8150_set_multicast(struct net_device *netdev)
712 rtl8150_t *dev = netdev_priv(netdev);
713 netif_stop_queue(netdev);
714 if (netdev->flags & IFF_PROMISC) {
715 dev->rx_creg |= cpu_to_le16(0x0001);
716 dev_info(&netdev->dev, "%s: promiscuous mode\n", netdev->name);
717 } else if (netdev->mc_count ||
718 (netdev->flags & IFF_ALLMULTI)) {
719 dev->rx_creg &= cpu_to_le16(0xfffe);
720 dev->rx_creg |= cpu_to_le16(0x0002);
721 dev_info(&netdev->dev, "%s: allmulti set\n", netdev->name);
723 /* ~RX_MULTICAST, ~RX_PROMISCUOUS */
724 dev->rx_creg &= cpu_to_le16(0x00fc);
726 async_set_registers(dev, RCR, 2);
727 netif_wake_queue(netdev);
730 static int rtl8150_start_xmit(struct sk_buff *skb, struct net_device *netdev)
732 rtl8150_t *dev = netdev_priv(netdev);
735 netif_stop_queue(netdev);
736 count = (skb->len < 60) ? 60 : skb->len;
737 count = (count & 0x3f) ? count : count + 1;
739 usb_fill_bulk_urb(dev->tx_urb, dev->udev, usb_sndbulkpipe(dev->udev, 2),
740 skb->data, count, write_bulk_callback, dev);
741 if ((res = usb_submit_urb(dev->tx_urb, GFP_ATOMIC))) {
742 /* Can we get/handle EPIPE here? */
744 netif_device_detach(dev->netdev);
746 dev_warn(&netdev->dev, "failed tx_urb %d\n", res);
747 netdev->stats.tx_errors++;
748 netif_start_queue(netdev);
751 netdev->stats.tx_packets++;
752 netdev->stats.tx_bytes += skb->len;
753 netdev->trans_start = jiffies;
760 static void set_carrier(struct net_device *netdev)
762 rtl8150_t *dev = netdev_priv(netdev);
765 get_registers(dev, CSCR, 2, &tmp);
766 if (tmp & CSCR_LINK_STATUS)
767 netif_carrier_on(netdev);
769 netif_carrier_off(netdev);
772 static int rtl8150_open(struct net_device *netdev)
774 rtl8150_t *dev = netdev_priv(netdev);
777 if (dev->rx_skb == NULL)
778 dev->rx_skb = pull_skb(dev);
782 set_registers(dev, IDR, 6, netdev->dev_addr);
784 usb_fill_bulk_urb(dev->rx_urb, dev->udev, usb_rcvbulkpipe(dev->udev, 1),
785 dev->rx_skb->data, RTL8150_MTU, read_bulk_callback, dev);
786 if ((res = usb_submit_urb(dev->rx_urb, GFP_KERNEL))) {
788 netif_device_detach(dev->netdev);
789 dev_warn(&netdev->dev, "rx_urb submit failed: %d\n", res);
792 usb_fill_int_urb(dev->intr_urb, dev->udev, usb_rcvintpipe(dev->udev, 3),
793 dev->intr_buff, INTBUFSIZE, intr_callback,
794 dev, dev->intr_interval);
795 if ((res = usb_submit_urb(dev->intr_urb, GFP_KERNEL))) {
797 netif_device_detach(dev->netdev);
798 dev_warn(&netdev->dev, "intr_urb submit failed: %d\n", res);
799 usb_kill_urb(dev->rx_urb);
802 enable_net_traffic(dev);
804 netif_start_queue(netdev);
809 static int rtl8150_close(struct net_device *netdev)
811 rtl8150_t *dev = netdev_priv(netdev);
814 netif_stop_queue(netdev);
815 if (!test_bit(RTL8150_UNPLUG, &dev->flags))
816 disable_net_traffic(dev);
817 unlink_all_urbs(dev);
822 static void rtl8150_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *info)
824 rtl8150_t *dev = netdev_priv(netdev);
826 strncpy(info->driver, driver_name, ETHTOOL_BUSINFO_LEN);
827 strncpy(info->version, DRIVER_VERSION, ETHTOOL_BUSINFO_LEN);
828 usb_make_path(dev->udev, info->bus_info, sizeof info->bus_info);
831 static int rtl8150_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
833 rtl8150_t *dev = netdev_priv(netdev);
836 ecmd->supported = (SUPPORTED_10baseT_Half |
837 SUPPORTED_10baseT_Full |
838 SUPPORTED_100baseT_Half |
839 SUPPORTED_100baseT_Full |
841 SUPPORTED_TP | SUPPORTED_MII);
842 ecmd->port = PORT_TP;
843 ecmd->transceiver = XCVR_INTERNAL;
844 ecmd->phy_address = dev->phy;
845 get_registers(dev, BMCR, 2, &bmcr);
846 get_registers(dev, ANLP, 2, &lpa);
847 if (bmcr & BMCR_ANENABLE) {
848 ecmd->autoneg = AUTONEG_ENABLE;
849 ecmd->speed = (lpa & (LPA_100HALF | LPA_100FULL)) ?
850 SPEED_100 : SPEED_10;
851 if (ecmd->speed == SPEED_100)
852 ecmd->duplex = (lpa & LPA_100FULL) ?
853 DUPLEX_FULL : DUPLEX_HALF;
855 ecmd->duplex = (lpa & LPA_10FULL) ?
856 DUPLEX_FULL : DUPLEX_HALF;
858 ecmd->autoneg = AUTONEG_DISABLE;
859 ecmd->speed = (bmcr & BMCR_SPEED100) ?
860 SPEED_100 : SPEED_10;
861 ecmd->duplex = (bmcr & BMCR_FULLDPLX) ?
862 DUPLEX_FULL : DUPLEX_HALF;
867 static struct ethtool_ops ops = {
868 .get_drvinfo = rtl8150_get_drvinfo,
869 .get_settings = rtl8150_get_settings,
870 .get_link = ethtool_op_get_link
873 static int rtl8150_ioctl(struct net_device *netdev, struct ifreq *rq, int cmd)
875 rtl8150_t *dev = netdev_priv(netdev);
876 u16 *data = (u16 *) & rq->ifr_ifru;
882 case SIOCDEVPRIVATE + 1:
883 read_mii_word(dev, dev->phy, (data[1] & 0x1f), &data[3]);
885 case SIOCDEVPRIVATE + 2:
886 if (!capable(CAP_NET_ADMIN))
888 write_mii_word(dev, dev->phy, (data[1] & 0x1f), data[2]);
897 static const struct net_device_ops rtl8150_netdev_ops = {
898 .ndo_open = rtl8150_open,
899 .ndo_stop = rtl8150_close,
900 .ndo_do_ioctl = rtl8150_ioctl,
901 .ndo_start_xmit = rtl8150_start_xmit,
902 .ndo_tx_timeout = rtl8150_tx_timeout,
903 .ndo_set_multicast_list = rtl8150_set_multicast,
904 .ndo_set_mac_address = rtl8150_set_mac_address,
906 .ndo_change_mtu = eth_change_mtu,
907 .ndo_validate_addr = eth_validate_addr,
910 static int rtl8150_probe(struct usb_interface *intf,
911 const struct usb_device_id *id)
913 struct usb_device *udev = interface_to_usbdev(intf);
915 struct net_device *netdev;
917 netdev = alloc_etherdev(sizeof(rtl8150_t));
919 err("Out of memory");
923 dev = netdev_priv(netdev);
925 dev->intr_buff = kmalloc(INTBUFSIZE, GFP_KERNEL);
926 if (!dev->intr_buff) {
931 tasklet_init(&dev->tl, rx_fixup, (unsigned long)dev);
932 spin_lock_init(&dev->rx_pool_lock);
935 dev->netdev = netdev;
936 netdev->netdev_ops = &rtl8150_netdev_ops;
937 netdev->watchdog_timeo = RTL8150_TX_TIMEOUT;
938 SET_ETHTOOL_OPS(netdev, &ops);
939 dev->intr_interval = 100; /* 100ms */
941 if (!alloc_all_urbs(dev)) {
942 err("out of memory");
945 if (!rtl8150_reset(dev)) {
946 err("couldn't reset the device");
950 set_ethernet_addr(dev);
952 usb_set_intfdata(intf, dev);
953 SET_NETDEV_DEV(netdev, &intf->dev);
954 if (register_netdev(netdev) != 0) {
955 err("couldn't register the device");
959 dev_info(&intf->dev, "%s: rtl8150 is detected\n", netdev->name);
964 usb_set_intfdata(intf, NULL);
969 kfree(dev->intr_buff);
974 static void rtl8150_disconnect(struct usb_interface *intf)
976 rtl8150_t *dev = usb_get_intfdata(intf);
978 usb_set_intfdata(intf, NULL);
980 set_bit(RTL8150_UNPLUG, &dev->flags);
981 tasklet_disable(&dev->tl);
982 tasklet_kill(&dev->tl);
983 unregister_netdev(dev->netdev);
984 unlink_all_urbs(dev);
988 dev_kfree_skb(dev->rx_skb);
989 kfree(dev->intr_buff);
990 free_netdev(dev->netdev);
994 static int __init usb_rtl8150_init(void)
996 printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
998 return usb_register(&rtl8150_driver);
1001 static void __exit usb_rtl8150_exit(void)
1003 usb_deregister(&rtl8150_driver);
1006 module_init(usb_rtl8150_init);
1007 module_exit(usb_rtl8150_exit);
1009 MODULE_AUTHOR(DRIVER_AUTHOR);
1010 MODULE_DESCRIPTION(DRIVER_DESC);
1011 MODULE_LICENSE("GPL");