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 const char driver_name [] = "rtl8150";
176 ** device related part of the code
179 static int get_registers(rtl8150_t * dev, u16 indx, u16 size, void *data)
184 buf = kmalloc(size, GFP_NOIO);
188 ret = usb_control_msg(dev->udev, usb_rcvctrlpipe(dev->udev, 0),
189 RTL8150_REQ_GET_REGS, RTL8150_REQT_READ,
190 indx, 0, buf, size, 500);
191 if (ret > 0 && ret <= size)
192 memcpy(data, buf, ret);
197 static int set_registers(rtl8150_t * dev, u16 indx, u16 size, const void *data)
202 buf = kmemdup(data, size, GFP_NOIO);
206 ret = usb_control_msg(dev->udev, usb_sndctrlpipe(dev->udev, 0),
207 RTL8150_REQ_SET_REGS, RTL8150_REQT_WRITE,
208 indx, 0, buf, size, 500);
213 static void ctrl_callback(struct urb *urb)
216 int status = urb->status;
226 if (printk_ratelimit())
227 dev_warn(&urb->dev->dev, "ctrl urb status %d\n", status);
230 clear_bit(RX_REG_SET, &dev->flags);
233 static int async_set_registers(rtl8150_t * dev, u16 indx, u16 size)
237 if (test_bit(RX_REG_SET, &dev->flags))
240 dev->dr.bRequestType = RTL8150_REQT_WRITE;
241 dev->dr.bRequest = RTL8150_REQ_SET_REGS;
242 dev->dr.wValue = cpu_to_le16(indx);
244 dev->dr.wLength = cpu_to_le16(size);
245 dev->ctrl_urb->transfer_buffer_length = size;
246 usb_fill_control_urb(dev->ctrl_urb, dev->udev,
247 usb_sndctrlpipe(dev->udev, 0), (char *) &dev->dr,
248 &dev->rx_creg, size, ctrl_callback, dev);
249 if ((ret = usb_submit_urb(dev->ctrl_urb, GFP_ATOMIC))) {
251 netif_device_detach(dev->netdev);
252 err("control request submission failed: %d", ret);
254 set_bit(RX_REG_SET, &dev->flags);
259 static int read_mii_word(rtl8150_t * dev, u8 phy, __u8 indx, u16 * reg)
265 data[1] = data[2] = 0;
266 tmp = indx | PHY_READ | PHY_GO;
269 set_registers(dev, PHYADD, sizeof(data), data);
270 set_registers(dev, PHYCNT, 1, &tmp);
272 get_registers(dev, PHYCNT, 1, data);
273 } while ((data[0] & PHY_GO) && (i++ < MII_TIMEOUT));
275 if (i <= MII_TIMEOUT) {
276 get_registers(dev, PHYDAT, 2, data);
277 *reg = data[0] | (data[1] << 8);
283 static int write_mii_word(rtl8150_t * dev, u8 phy, __u8 indx, u16 reg)
289 data[1] = reg & 0xff;
290 data[2] = (reg >> 8) & 0xff;
291 tmp = indx | PHY_WRITE | PHY_GO;
294 set_registers(dev, PHYADD, sizeof(data), data);
295 set_registers(dev, PHYCNT, 1, &tmp);
297 get_registers(dev, PHYCNT, 1, data);
298 } while ((data[0] & PHY_GO) && (i++ < MII_TIMEOUT));
300 if (i <= MII_TIMEOUT)
306 static inline void set_ethernet_addr(rtl8150_t * dev)
310 get_registers(dev, IDR, sizeof(node_id), node_id);
311 memcpy(dev->netdev->dev_addr, node_id, sizeof(node_id));
314 static int rtl8150_set_mac_address(struct net_device *netdev, void *p)
316 struct sockaddr *addr = p;
317 rtl8150_t *dev = netdev_priv(netdev);
319 if (netif_running(netdev))
322 memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
323 dbg("%s: Setting MAC address to %pM\n", netdev->name, netdev->dev_addr);
324 /* Set the IDR registers. */
325 set_registers(dev, IDR, netdev->addr_len, netdev->dev_addr);
330 /* Get the CR contents. */
331 get_registers(dev, CR, 1, &cr);
332 /* Set the WEPROM bit (eeprom write enable). */
334 set_registers(dev, CR, 1, &cr);
335 /* Write the MAC address into eeprom. Eeprom writes must be word-sized,
336 so we need to split them up. */
337 for (i = 0; i * 2 < netdev->addr_len; i++) {
338 set_registers(dev, IDR_EEPROM + (i * 2), 2,
339 netdev->dev_addr + (i * 2));
341 /* Clear the WEPROM bit (preventing accidental eeprom writes). */
343 set_registers(dev, CR, 1, &cr);
349 static int rtl8150_reset(rtl8150_t * dev)
354 set_registers(dev, CR, 1, &data);
356 get_registers(dev, CR, 1, &data);
357 } while ((data & 0x10) && --i);
359 return (i > 0) ? 1 : 0;
362 static int alloc_all_urbs(rtl8150_t * dev)
364 dev->rx_urb = usb_alloc_urb(0, GFP_KERNEL);
367 dev->tx_urb = usb_alloc_urb(0, GFP_KERNEL);
369 usb_free_urb(dev->rx_urb);
372 dev->intr_urb = usb_alloc_urb(0, GFP_KERNEL);
373 if (!dev->intr_urb) {
374 usb_free_urb(dev->rx_urb);
375 usb_free_urb(dev->tx_urb);
378 dev->ctrl_urb = usb_alloc_urb(0, GFP_KERNEL);
379 if (!dev->ctrl_urb) {
380 usb_free_urb(dev->rx_urb);
381 usb_free_urb(dev->tx_urb);
382 usb_free_urb(dev->intr_urb);
389 static void free_all_urbs(rtl8150_t * dev)
391 usb_free_urb(dev->rx_urb);
392 usb_free_urb(dev->tx_urb);
393 usb_free_urb(dev->intr_urb);
394 usb_free_urb(dev->ctrl_urb);
397 static void unlink_all_urbs(rtl8150_t * dev)
399 usb_kill_urb(dev->rx_urb);
400 usb_kill_urb(dev->tx_urb);
401 usb_kill_urb(dev->intr_urb);
402 usb_kill_urb(dev->ctrl_urb);
405 static inline struct sk_buff *pull_skb(rtl8150_t *dev)
410 for (i = 0; i < RX_SKB_POOL_SIZE; i++) {
411 if (dev->rx_skb_pool[i]) {
412 skb = dev->rx_skb_pool[i];
413 dev->rx_skb_pool[i] = NULL;
420 static void read_bulk_callback(struct urb *urb)
423 unsigned pkt_len, res;
425 struct net_device *netdev;
427 int status = urb->status;
433 if (test_bit(RTL8150_UNPLUG, &dev->flags))
435 netdev = dev->netdev;
436 if (!netif_device_present(netdev))
443 return; /* the urb is in unlink state */
445 if (printk_ratelimit())
446 dev_warn(&urb->dev->dev, "may be reset is needed?..\n");
449 if (printk_ratelimit())
450 dev_warn(&urb->dev->dev, "Rx status %d\n", status);
456 /* protect against short packets (tell me why we got some?!?) */
457 if (urb->actual_length < 4)
460 res = urb->actual_length;
461 rx_stat = le16_to_cpu(*(__le16 *)(urb->transfer_buffer + res - 4));
464 skb_put(dev->rx_skb, pkt_len);
465 dev->rx_skb->protocol = eth_type_trans(dev->rx_skb, netdev);
466 netif_rx(dev->rx_skb);
467 netdev->stats.rx_packets++;
468 netdev->stats.rx_bytes += pkt_len;
470 spin_lock(&dev->rx_pool_lock);
472 spin_unlock(&dev->rx_pool_lock);
478 usb_fill_bulk_urb(dev->rx_urb, dev->udev, usb_rcvbulkpipe(dev->udev, 1),
479 dev->rx_skb->data, RTL8150_MTU, read_bulk_callback, dev);
480 result = usb_submit_urb(dev->rx_urb, GFP_ATOMIC);
481 if (result == -ENODEV)
482 netif_device_detach(dev->netdev);
484 set_bit(RX_URB_FAIL, &dev->flags);
487 clear_bit(RX_URB_FAIL, &dev->flags);
492 tasklet_schedule(&dev->tl);
495 static void write_bulk_callback(struct urb *urb)
498 int status = urb->status;
503 dev_kfree_skb_irq(dev->tx_skb);
504 if (!netif_device_present(dev->netdev))
507 dev_info(&urb->dev->dev, "%s: Tx status %d\n",
508 dev->netdev->name, status);
509 dev->netdev->trans_start = jiffies;
510 netif_wake_queue(dev->netdev);
513 static void intr_callback(struct urb *urb)
517 int status = urb->status;
524 case 0: /* success */
526 case -ECONNRESET: /* unlink */
530 /* -EPIPE: should clear the halt */
532 dev_info(&urb->dev->dev, "%s: intr status %d\n",
533 dev->netdev->name, status);
537 d = urb->transfer_buffer;
538 if (d[0] & TSR_ERRORS) {
539 dev->netdev->stats.tx_errors++;
540 if (d[INT_TSR] & (TSR_ECOL | TSR_JBR))
541 dev->netdev->stats.tx_aborted_errors++;
542 if (d[INT_TSR] & TSR_LCOL)
543 dev->netdev->stats.tx_window_errors++;
544 if (d[INT_TSR] & TSR_LOSS_CRS)
545 dev->netdev->stats.tx_carrier_errors++;
547 /* Report link status changes to the network stack */
548 if ((d[INT_MSR] & MSR_LINK) == 0) {
549 if (netif_carrier_ok(dev->netdev)) {
550 netif_carrier_off(dev->netdev);
551 dbg("%s: LINK LOST\n", __func__);
554 if (!netif_carrier_ok(dev->netdev)) {
555 netif_carrier_on(dev->netdev);
556 dbg("%s: LINK CAME BACK\n", __func__);
561 res = usb_submit_urb (urb, GFP_ATOMIC);
563 netif_device_detach(dev->netdev);
565 err ("can't resubmit intr, %s-%s/input0, status %d",
566 dev->udev->bus->bus_name,
567 dev->udev->devpath, res);
570 static int rtl8150_suspend(struct usb_interface *intf, pm_message_t message)
572 rtl8150_t *dev = usb_get_intfdata(intf);
574 netif_device_detach(dev->netdev);
576 if (netif_running(dev->netdev)) {
577 usb_kill_urb(dev->rx_urb);
578 usb_kill_urb(dev->intr_urb);
583 static int rtl8150_resume(struct usb_interface *intf)
585 rtl8150_t *dev = usb_get_intfdata(intf);
587 netif_device_attach(dev->netdev);
588 if (netif_running(dev->netdev)) {
589 dev->rx_urb->status = 0;
590 dev->rx_urb->actual_length = 0;
591 read_bulk_callback(dev->rx_urb);
593 dev->intr_urb->status = 0;
594 dev->intr_urb->actual_length = 0;
595 intr_callback(dev->intr_urb);
602 ** network related part of the code
606 static void fill_skb_pool(rtl8150_t *dev)
611 for (i = 0; i < RX_SKB_POOL_SIZE; i++) {
612 if (dev->rx_skb_pool[i])
614 skb = dev_alloc_skb(RTL8150_MTU + 2);
619 dev->rx_skb_pool[i] = skb;
623 static void free_skb_pool(rtl8150_t *dev)
627 for (i = 0; i < RX_SKB_POOL_SIZE; i++)
628 if (dev->rx_skb_pool[i])
629 dev_kfree_skb(dev->rx_skb_pool[i]);
632 static void rx_fixup(unsigned long data)
634 struct rtl8150 *dev = (struct rtl8150 *)data;
638 spin_lock_irq(&dev->rx_pool_lock);
640 spin_unlock_irq(&dev->rx_pool_lock);
641 if (test_bit(RX_URB_FAIL, &dev->flags))
644 spin_lock_irq(&dev->rx_pool_lock);
646 spin_unlock_irq(&dev->rx_pool_lock);
650 usb_fill_bulk_urb(dev->rx_urb, dev->udev, usb_rcvbulkpipe(dev->udev, 1),
651 dev->rx_skb->data, RTL8150_MTU, read_bulk_callback, dev);
653 status = usb_submit_urb(dev->rx_urb, GFP_ATOMIC);
654 if (status == -ENODEV) {
655 netif_device_detach(dev->netdev);
657 set_bit(RX_URB_FAIL, &dev->flags);
660 clear_bit(RX_URB_FAIL, &dev->flags);
665 tasklet_schedule(&dev->tl);
668 static int enable_net_traffic(rtl8150_t * dev)
670 u8 cr, tcr, rcr, msr;
672 if (!rtl8150_reset(dev)) {
673 dev_warn(&dev->udev->dev, "device reset failed\n");
675 /* RCR bit7=1 attach Rx info at the end; =0 HW CRC (which is broken) */
677 dev->rx_creg = cpu_to_le16(rcr);
681 set_bit(RTL8150_HW_CRC, &dev->flags);
682 set_registers(dev, RCR, 1, &rcr);
683 set_registers(dev, TCR, 1, &tcr);
684 set_registers(dev, CR, 1, &cr);
685 get_registers(dev, MSR, 1, &msr);
690 static void disable_net_traffic(rtl8150_t * dev)
694 get_registers(dev, CR, 1, &cr);
696 set_registers(dev, CR, 1, &cr);
699 static void rtl8150_tx_timeout(struct net_device *netdev)
701 rtl8150_t *dev = netdev_priv(netdev);
702 dev_warn(&netdev->dev, "Tx timeout.\n");
703 usb_unlink_urb(dev->tx_urb);
704 netdev->stats.tx_errors++;
707 static void rtl8150_set_multicast(struct net_device *netdev)
709 rtl8150_t *dev = netdev_priv(netdev);
710 netif_stop_queue(netdev);
711 if (netdev->flags & IFF_PROMISC) {
712 dev->rx_creg |= cpu_to_le16(0x0001);
713 dev_info(&netdev->dev, "%s: promiscuous mode\n", netdev->name);
714 } else if (!netdev_mc_empty(netdev) ||
715 (netdev->flags & IFF_ALLMULTI)) {
716 dev->rx_creg &= cpu_to_le16(0xfffe);
717 dev->rx_creg |= cpu_to_le16(0x0002);
718 dev_info(&netdev->dev, "%s: allmulti set\n", netdev->name);
720 /* ~RX_MULTICAST, ~RX_PROMISCUOUS */
721 dev->rx_creg &= cpu_to_le16(0x00fc);
723 async_set_registers(dev, RCR, 2);
724 netif_wake_queue(netdev);
727 static netdev_tx_t rtl8150_start_xmit(struct sk_buff *skb,
728 struct net_device *netdev)
730 rtl8150_t *dev = netdev_priv(netdev);
733 netif_stop_queue(netdev);
734 count = (skb->len < 60) ? 60 : skb->len;
735 count = (count & 0x3f) ? count : count + 1;
737 usb_fill_bulk_urb(dev->tx_urb, dev->udev, usb_sndbulkpipe(dev->udev, 2),
738 skb->data, count, write_bulk_callback, dev);
739 if ((res = usb_submit_urb(dev->tx_urb, GFP_ATOMIC))) {
740 /* Can we get/handle EPIPE here? */
742 netif_device_detach(dev->netdev);
744 dev_warn(&netdev->dev, "failed tx_urb %d\n", res);
745 netdev->stats.tx_errors++;
746 netif_start_queue(netdev);
749 netdev->stats.tx_packets++;
750 netdev->stats.tx_bytes += skb->len;
751 netdev->trans_start = jiffies;
758 static void set_carrier(struct net_device *netdev)
760 rtl8150_t *dev = netdev_priv(netdev);
763 get_registers(dev, CSCR, 2, &tmp);
764 if (tmp & CSCR_LINK_STATUS)
765 netif_carrier_on(netdev);
767 netif_carrier_off(netdev);
770 static int rtl8150_open(struct net_device *netdev)
772 rtl8150_t *dev = netdev_priv(netdev);
775 if (dev->rx_skb == NULL)
776 dev->rx_skb = pull_skb(dev);
780 set_registers(dev, IDR, 6, netdev->dev_addr);
782 usb_fill_bulk_urb(dev->rx_urb, dev->udev, usb_rcvbulkpipe(dev->udev, 1),
783 dev->rx_skb->data, RTL8150_MTU, read_bulk_callback, dev);
784 if ((res = usb_submit_urb(dev->rx_urb, GFP_KERNEL))) {
786 netif_device_detach(dev->netdev);
787 dev_warn(&netdev->dev, "rx_urb submit failed: %d\n", res);
790 usb_fill_int_urb(dev->intr_urb, dev->udev, usb_rcvintpipe(dev->udev, 3),
791 dev->intr_buff, INTBUFSIZE, intr_callback,
792 dev, dev->intr_interval);
793 if ((res = usb_submit_urb(dev->intr_urb, GFP_KERNEL))) {
795 netif_device_detach(dev->netdev);
796 dev_warn(&netdev->dev, "intr_urb submit failed: %d\n", res);
797 usb_kill_urb(dev->rx_urb);
800 enable_net_traffic(dev);
802 netif_start_queue(netdev);
807 static int rtl8150_close(struct net_device *netdev)
809 rtl8150_t *dev = netdev_priv(netdev);
812 netif_stop_queue(netdev);
813 if (!test_bit(RTL8150_UNPLUG, &dev->flags))
814 disable_net_traffic(dev);
815 unlink_all_urbs(dev);
820 static void rtl8150_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *info)
822 rtl8150_t *dev = netdev_priv(netdev);
824 strncpy(info->driver, driver_name, ETHTOOL_BUSINFO_LEN);
825 strncpy(info->version, DRIVER_VERSION, ETHTOOL_BUSINFO_LEN);
826 usb_make_path(dev->udev, info->bus_info, sizeof info->bus_info);
829 static int rtl8150_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
831 rtl8150_t *dev = netdev_priv(netdev);
834 ecmd->supported = (SUPPORTED_10baseT_Half |
835 SUPPORTED_10baseT_Full |
836 SUPPORTED_100baseT_Half |
837 SUPPORTED_100baseT_Full |
839 SUPPORTED_TP | SUPPORTED_MII);
840 ecmd->port = PORT_TP;
841 ecmd->transceiver = XCVR_INTERNAL;
842 ecmd->phy_address = dev->phy;
843 get_registers(dev, BMCR, 2, &bmcr);
844 get_registers(dev, ANLP, 2, &lpa);
845 if (bmcr & BMCR_ANENABLE) {
846 u32 speed = ((lpa & (LPA_100HALF | LPA_100FULL)) ?
847 SPEED_100 : SPEED_10);
848 ethtool_cmd_speed_set(ecmd, speed);
849 ecmd->autoneg = AUTONEG_ENABLE;
850 if (speed == SPEED_100)
851 ecmd->duplex = (lpa & LPA_100FULL) ?
852 DUPLEX_FULL : DUPLEX_HALF;
854 ecmd->duplex = (lpa & LPA_10FULL) ?
855 DUPLEX_FULL : DUPLEX_HALF;
857 ecmd->autoneg = AUTONEG_DISABLE;
858 ethtool_cmd_speed_set(ecmd, ((bmcr & BMCR_SPEED100) ?
859 SPEED_100 : SPEED_10));
860 ecmd->duplex = (bmcr & BMCR_FULLDPLX) ?
861 DUPLEX_FULL : DUPLEX_HALF;
866 static const struct ethtool_ops ops = {
867 .get_drvinfo = rtl8150_get_drvinfo,
868 .get_settings = rtl8150_get_settings,
869 .get_link = ethtool_op_get_link
872 static int rtl8150_ioctl(struct net_device *netdev, struct ifreq *rq, int cmd)
874 rtl8150_t *dev = netdev_priv(netdev);
875 u16 *data = (u16 *) & rq->ifr_ifru;
881 case SIOCDEVPRIVATE + 1:
882 read_mii_word(dev, dev->phy, (data[1] & 0x1f), &data[3]);
884 case SIOCDEVPRIVATE + 2:
885 if (!capable(CAP_NET_ADMIN))
887 write_mii_word(dev, dev->phy, (data[1] & 0x1f), data[2]);
896 static const struct net_device_ops rtl8150_netdev_ops = {
897 .ndo_open = rtl8150_open,
898 .ndo_stop = rtl8150_close,
899 .ndo_do_ioctl = rtl8150_ioctl,
900 .ndo_start_xmit = rtl8150_start_xmit,
901 .ndo_tx_timeout = rtl8150_tx_timeout,
902 .ndo_set_rx_mode = rtl8150_set_multicast,
903 .ndo_set_mac_address = rtl8150_set_mac_address,
905 .ndo_change_mtu = eth_change_mtu,
906 .ndo_validate_addr = eth_validate_addr,
909 static int rtl8150_probe(struct usb_interface *intf,
910 const struct usb_device_id *id)
912 struct usb_device *udev = interface_to_usbdev(intf);
914 struct net_device *netdev;
916 netdev = alloc_etherdev(sizeof(rtl8150_t));
918 err("Out of memory");
922 dev = netdev_priv(netdev);
924 dev->intr_buff = kmalloc(INTBUFSIZE, GFP_KERNEL);
925 if (!dev->intr_buff) {
930 tasklet_init(&dev->tl, rx_fixup, (unsigned long)dev);
931 spin_lock_init(&dev->rx_pool_lock);
934 dev->netdev = netdev;
935 netdev->netdev_ops = &rtl8150_netdev_ops;
936 netdev->watchdog_timeo = RTL8150_TX_TIMEOUT;
937 SET_ETHTOOL_OPS(netdev, &ops);
938 dev->intr_interval = 100; /* 100ms */
940 if (!alloc_all_urbs(dev)) {
941 err("out of memory");
944 if (!rtl8150_reset(dev)) {
945 err("couldn't reset the device");
949 set_ethernet_addr(dev);
951 usb_set_intfdata(intf, dev);
952 SET_NETDEV_DEV(netdev, &intf->dev);
953 if (register_netdev(netdev) != 0) {
954 err("couldn't register the device");
958 dev_info(&intf->dev, "%s: rtl8150 is detected\n", netdev->name);
963 usb_set_intfdata(intf, NULL);
968 kfree(dev->intr_buff);
973 static void rtl8150_disconnect(struct usb_interface *intf)
975 rtl8150_t *dev = usb_get_intfdata(intf);
977 usb_set_intfdata(intf, NULL);
979 set_bit(RTL8150_UNPLUG, &dev->flags);
980 tasklet_kill(&dev->tl);
981 unregister_netdev(dev->netdev);
982 unlink_all_urbs(dev);
986 dev_kfree_skb(dev->rx_skb);
987 kfree(dev->intr_buff);
988 free_netdev(dev->netdev);
992 static struct usb_driver rtl8150_driver = {
994 .probe = rtl8150_probe,
995 .disconnect = rtl8150_disconnect,
996 .id_table = rtl8150_table,
997 .suspend = rtl8150_suspend,
998 .resume = rtl8150_resume
1001 static int __init usb_rtl8150_init(void)
1003 printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
1005 return usb_register(&rtl8150_driver);
1008 static void __exit usb_rtl8150_exit(void)
1010 usb_deregister(&rtl8150_driver);
1013 module_init(usb_rtl8150_init);
1014 module_exit(usb_rtl8150_exit);
1016 MODULE_AUTHOR(DRIVER_AUTHOR);
1017 MODULE_DESCRIPTION(DRIVER_DESC);
1018 MODULE_LICENSE("GPL");