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)
181 return usb_control_msg(dev->udev, usb_rcvctrlpipe(dev->udev, 0),
182 RTL8150_REQ_GET_REGS, RTL8150_REQT_READ,
183 indx, 0, data, size, 500);
186 static int set_registers(rtl8150_t * dev, u16 indx, u16 size, void *data)
188 return usb_control_msg(dev->udev, usb_sndctrlpipe(dev->udev, 0),
189 RTL8150_REQ_SET_REGS, RTL8150_REQT_WRITE,
190 indx, 0, data, size, 500);
193 static void ctrl_callback(struct urb *urb)
196 int status = urb->status;
206 if (printk_ratelimit())
207 dev_warn(&urb->dev->dev, "ctrl urb status %d\n", status);
210 clear_bit(RX_REG_SET, &dev->flags);
213 static int async_set_registers(rtl8150_t * dev, u16 indx, u16 size)
217 if (test_bit(RX_REG_SET, &dev->flags))
220 dev->dr.bRequestType = RTL8150_REQT_WRITE;
221 dev->dr.bRequest = RTL8150_REQ_SET_REGS;
222 dev->dr.wValue = cpu_to_le16(indx);
224 dev->dr.wLength = cpu_to_le16(size);
225 dev->ctrl_urb->transfer_buffer_length = size;
226 usb_fill_control_urb(dev->ctrl_urb, dev->udev,
227 usb_sndctrlpipe(dev->udev, 0), (char *) &dev->dr,
228 &dev->rx_creg, size, ctrl_callback, dev);
229 if ((ret = usb_submit_urb(dev->ctrl_urb, GFP_ATOMIC))) {
231 netif_device_detach(dev->netdev);
232 err("control request submission failed: %d", ret);
234 set_bit(RX_REG_SET, &dev->flags);
239 static int read_mii_word(rtl8150_t * dev, u8 phy, __u8 indx, u16 * reg)
245 data[1] = data[2] = 0;
246 tmp = indx | PHY_READ | PHY_GO;
249 set_registers(dev, PHYADD, sizeof(data), data);
250 set_registers(dev, PHYCNT, 1, &tmp);
252 get_registers(dev, PHYCNT, 1, data);
253 } while ((data[0] & PHY_GO) && (i++ < MII_TIMEOUT));
255 if (i <= MII_TIMEOUT) {
256 get_registers(dev, PHYDAT, 2, data);
257 *reg = data[0] | (data[1] << 8);
263 static int write_mii_word(rtl8150_t * dev, u8 phy, __u8 indx, u16 reg)
269 data[1] = reg & 0xff;
270 data[2] = (reg >> 8) & 0xff;
271 tmp = indx | PHY_WRITE | PHY_GO;
274 set_registers(dev, PHYADD, sizeof(data), data);
275 set_registers(dev, PHYCNT, 1, &tmp);
277 get_registers(dev, PHYCNT, 1, data);
278 } while ((data[0] & PHY_GO) && (i++ < MII_TIMEOUT));
280 if (i <= MII_TIMEOUT)
286 static inline void set_ethernet_addr(rtl8150_t * dev)
290 get_registers(dev, IDR, sizeof(node_id), node_id);
291 memcpy(dev->netdev->dev_addr, node_id, sizeof(node_id));
294 static int rtl8150_set_mac_address(struct net_device *netdev, void *p)
296 struct sockaddr *addr = p;
297 rtl8150_t *dev = netdev_priv(netdev);
299 if (netif_running(netdev))
302 memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
303 dbg("%s: Setting MAC address to %pM\n", netdev->name, netdev->dev_addr);
304 /* Set the IDR registers. */
305 set_registers(dev, IDR, netdev->addr_len, netdev->dev_addr);
310 /* Get the CR contents. */
311 get_registers(dev, CR, 1, &cr);
312 /* Set the WEPROM bit (eeprom write enable). */
314 set_registers(dev, CR, 1, &cr);
315 /* Write the MAC address into eeprom. Eeprom writes must be word-sized,
316 so we need to split them up. */
317 for (i = 0; i * 2 < netdev->addr_len; i++) {
318 set_registers(dev, IDR_EEPROM + (i * 2), 2,
319 netdev->dev_addr + (i * 2));
321 /* Clear the WEPROM bit (preventing accidental eeprom writes). */
323 set_registers(dev, CR, 1, &cr);
329 static int rtl8150_reset(rtl8150_t * dev)
334 set_registers(dev, CR, 1, &data);
336 get_registers(dev, CR, 1, &data);
337 } while ((data & 0x10) && --i);
339 return (i > 0) ? 1 : 0;
342 static int alloc_all_urbs(rtl8150_t * dev)
344 dev->rx_urb = usb_alloc_urb(0, GFP_KERNEL);
347 dev->tx_urb = usb_alloc_urb(0, GFP_KERNEL);
349 usb_free_urb(dev->rx_urb);
352 dev->intr_urb = usb_alloc_urb(0, GFP_KERNEL);
353 if (!dev->intr_urb) {
354 usb_free_urb(dev->rx_urb);
355 usb_free_urb(dev->tx_urb);
358 dev->ctrl_urb = usb_alloc_urb(0, GFP_KERNEL);
359 if (!dev->ctrl_urb) {
360 usb_free_urb(dev->rx_urb);
361 usb_free_urb(dev->tx_urb);
362 usb_free_urb(dev->intr_urb);
369 static void free_all_urbs(rtl8150_t * dev)
371 usb_free_urb(dev->rx_urb);
372 usb_free_urb(dev->tx_urb);
373 usb_free_urb(dev->intr_urb);
374 usb_free_urb(dev->ctrl_urb);
377 static void unlink_all_urbs(rtl8150_t * dev)
379 usb_kill_urb(dev->rx_urb);
380 usb_kill_urb(dev->tx_urb);
381 usb_kill_urb(dev->intr_urb);
382 usb_kill_urb(dev->ctrl_urb);
385 static inline struct sk_buff *pull_skb(rtl8150_t *dev)
390 for (i = 0; i < RX_SKB_POOL_SIZE; i++) {
391 if (dev->rx_skb_pool[i]) {
392 skb = dev->rx_skb_pool[i];
393 dev->rx_skb_pool[i] = NULL;
400 static void read_bulk_callback(struct urb *urb)
403 unsigned pkt_len, res;
405 struct net_device *netdev;
407 int status = urb->status;
413 if (test_bit(RTL8150_UNPLUG, &dev->flags))
415 netdev = dev->netdev;
416 if (!netif_device_present(netdev))
423 return; /* the urb is in unlink state */
425 if (printk_ratelimit())
426 dev_warn(&urb->dev->dev, "may be reset is needed?..\n");
429 if (printk_ratelimit())
430 dev_warn(&urb->dev->dev, "Rx status %d\n", status);
436 /* protect against short packets (tell me why we got some?!?) */
437 if (urb->actual_length < 4)
440 res = urb->actual_length;
441 rx_stat = le16_to_cpu(*(__le16 *)(urb->transfer_buffer + res - 4));
444 skb_put(dev->rx_skb, pkt_len);
445 dev->rx_skb->protocol = eth_type_trans(dev->rx_skb, netdev);
446 netif_rx(dev->rx_skb);
447 netdev->stats.rx_packets++;
448 netdev->stats.rx_bytes += pkt_len;
450 spin_lock(&dev->rx_pool_lock);
452 spin_unlock(&dev->rx_pool_lock);
458 usb_fill_bulk_urb(dev->rx_urb, dev->udev, usb_rcvbulkpipe(dev->udev, 1),
459 dev->rx_skb->data, RTL8150_MTU, read_bulk_callback, dev);
460 result = usb_submit_urb(dev->rx_urb, GFP_ATOMIC);
461 if (result == -ENODEV)
462 netif_device_detach(dev->netdev);
464 set_bit(RX_URB_FAIL, &dev->flags);
467 clear_bit(RX_URB_FAIL, &dev->flags);
472 tasklet_schedule(&dev->tl);
475 static void write_bulk_callback(struct urb *urb)
478 int status = urb->status;
483 dev_kfree_skb_irq(dev->tx_skb);
484 if (!netif_device_present(dev->netdev))
487 dev_info(&urb->dev->dev, "%s: Tx status %d\n",
488 dev->netdev->name, status);
489 dev->netdev->trans_start = jiffies;
490 netif_wake_queue(dev->netdev);
493 static void intr_callback(struct urb *urb)
497 int status = urb->status;
504 case 0: /* success */
506 case -ECONNRESET: /* unlink */
510 /* -EPIPE: should clear the halt */
512 dev_info(&urb->dev->dev, "%s: intr status %d\n",
513 dev->netdev->name, status);
517 d = urb->transfer_buffer;
518 if (d[0] & TSR_ERRORS) {
519 dev->netdev->stats.tx_errors++;
520 if (d[INT_TSR] & (TSR_ECOL | TSR_JBR))
521 dev->netdev->stats.tx_aborted_errors++;
522 if (d[INT_TSR] & TSR_LCOL)
523 dev->netdev->stats.tx_window_errors++;
524 if (d[INT_TSR] & TSR_LOSS_CRS)
525 dev->netdev->stats.tx_carrier_errors++;
527 /* Report link status changes to the network stack */
528 if ((d[INT_MSR] & MSR_LINK) == 0) {
529 if (netif_carrier_ok(dev->netdev)) {
530 netif_carrier_off(dev->netdev);
531 dbg("%s: LINK LOST\n", __func__);
534 if (!netif_carrier_ok(dev->netdev)) {
535 netif_carrier_on(dev->netdev);
536 dbg("%s: LINK CAME BACK\n", __func__);
541 res = usb_submit_urb (urb, GFP_ATOMIC);
543 netif_device_detach(dev->netdev);
545 err ("can't resubmit intr, %s-%s/input0, status %d",
546 dev->udev->bus->bus_name,
547 dev->udev->devpath, res);
550 static int rtl8150_suspend(struct usb_interface *intf, pm_message_t message)
552 rtl8150_t *dev = usb_get_intfdata(intf);
554 netif_device_detach(dev->netdev);
556 if (netif_running(dev->netdev)) {
557 usb_kill_urb(dev->rx_urb);
558 usb_kill_urb(dev->intr_urb);
563 static int rtl8150_resume(struct usb_interface *intf)
565 rtl8150_t *dev = usb_get_intfdata(intf);
567 netif_device_attach(dev->netdev);
568 if (netif_running(dev->netdev)) {
569 dev->rx_urb->status = 0;
570 dev->rx_urb->actual_length = 0;
571 read_bulk_callback(dev->rx_urb);
573 dev->intr_urb->status = 0;
574 dev->intr_urb->actual_length = 0;
575 intr_callback(dev->intr_urb);
582 ** network related part of the code
586 static void fill_skb_pool(rtl8150_t *dev)
591 for (i = 0; i < RX_SKB_POOL_SIZE; i++) {
592 if (dev->rx_skb_pool[i])
594 skb = dev_alloc_skb(RTL8150_MTU + 2);
599 dev->rx_skb_pool[i] = skb;
603 static void free_skb_pool(rtl8150_t *dev)
607 for (i = 0; i < RX_SKB_POOL_SIZE; i++)
608 if (dev->rx_skb_pool[i])
609 dev_kfree_skb(dev->rx_skb_pool[i]);
612 static void rx_fixup(unsigned long data)
614 struct rtl8150 *dev = (struct rtl8150 *)data;
618 spin_lock_irq(&dev->rx_pool_lock);
620 spin_unlock_irq(&dev->rx_pool_lock);
621 if (test_bit(RX_URB_FAIL, &dev->flags))
624 spin_lock_irq(&dev->rx_pool_lock);
626 spin_unlock_irq(&dev->rx_pool_lock);
630 usb_fill_bulk_urb(dev->rx_urb, dev->udev, usb_rcvbulkpipe(dev->udev, 1),
631 dev->rx_skb->data, RTL8150_MTU, read_bulk_callback, dev);
633 status = usb_submit_urb(dev->rx_urb, GFP_ATOMIC);
634 if (status == -ENODEV) {
635 netif_device_detach(dev->netdev);
637 set_bit(RX_URB_FAIL, &dev->flags);
640 clear_bit(RX_URB_FAIL, &dev->flags);
645 tasklet_schedule(&dev->tl);
648 static int enable_net_traffic(rtl8150_t * dev)
650 u8 cr, tcr, rcr, msr;
652 if (!rtl8150_reset(dev)) {
653 dev_warn(&dev->udev->dev, "device reset failed\n");
655 /* RCR bit7=1 attach Rx info at the end; =0 HW CRC (which is broken) */
657 dev->rx_creg = cpu_to_le16(rcr);
661 set_bit(RTL8150_HW_CRC, &dev->flags);
662 set_registers(dev, RCR, 1, &rcr);
663 set_registers(dev, TCR, 1, &tcr);
664 set_registers(dev, CR, 1, &cr);
665 get_registers(dev, MSR, 1, &msr);
670 static void disable_net_traffic(rtl8150_t * dev)
674 get_registers(dev, CR, 1, &cr);
676 set_registers(dev, CR, 1, &cr);
679 static void rtl8150_tx_timeout(struct net_device *netdev)
681 rtl8150_t *dev = netdev_priv(netdev);
682 dev_warn(&netdev->dev, "Tx timeout.\n");
683 usb_unlink_urb(dev->tx_urb);
684 netdev->stats.tx_errors++;
687 static void rtl8150_set_multicast(struct net_device *netdev)
689 rtl8150_t *dev = netdev_priv(netdev);
690 netif_stop_queue(netdev);
691 if (netdev->flags & IFF_PROMISC) {
692 dev->rx_creg |= cpu_to_le16(0x0001);
693 dev_info(&netdev->dev, "%s: promiscuous mode\n", netdev->name);
694 } else if (!netdev_mc_empty(netdev) ||
695 (netdev->flags & IFF_ALLMULTI)) {
696 dev->rx_creg &= cpu_to_le16(0xfffe);
697 dev->rx_creg |= cpu_to_le16(0x0002);
698 dev_info(&netdev->dev, "%s: allmulti set\n", netdev->name);
700 /* ~RX_MULTICAST, ~RX_PROMISCUOUS */
701 dev->rx_creg &= cpu_to_le16(0x00fc);
703 async_set_registers(dev, RCR, 2);
704 netif_wake_queue(netdev);
707 static netdev_tx_t rtl8150_start_xmit(struct sk_buff *skb,
708 struct net_device *netdev)
710 rtl8150_t *dev = netdev_priv(netdev);
713 netif_stop_queue(netdev);
714 count = (skb->len < 60) ? 60 : skb->len;
715 count = (count & 0x3f) ? count : count + 1;
717 usb_fill_bulk_urb(dev->tx_urb, dev->udev, usb_sndbulkpipe(dev->udev, 2),
718 skb->data, count, write_bulk_callback, dev);
719 if ((res = usb_submit_urb(dev->tx_urb, GFP_ATOMIC))) {
720 /* Can we get/handle EPIPE here? */
722 netif_device_detach(dev->netdev);
724 dev_warn(&netdev->dev, "failed tx_urb %d\n", res);
725 netdev->stats.tx_errors++;
726 netif_start_queue(netdev);
729 netdev->stats.tx_packets++;
730 netdev->stats.tx_bytes += skb->len;
731 netdev->trans_start = jiffies;
738 static void set_carrier(struct net_device *netdev)
740 rtl8150_t *dev = netdev_priv(netdev);
743 get_registers(dev, CSCR, 2, &tmp);
744 if (tmp & CSCR_LINK_STATUS)
745 netif_carrier_on(netdev);
747 netif_carrier_off(netdev);
750 static int rtl8150_open(struct net_device *netdev)
752 rtl8150_t *dev = netdev_priv(netdev);
755 if (dev->rx_skb == NULL)
756 dev->rx_skb = pull_skb(dev);
760 set_registers(dev, IDR, 6, netdev->dev_addr);
762 usb_fill_bulk_urb(dev->rx_urb, dev->udev, usb_rcvbulkpipe(dev->udev, 1),
763 dev->rx_skb->data, RTL8150_MTU, read_bulk_callback, dev);
764 if ((res = usb_submit_urb(dev->rx_urb, GFP_KERNEL))) {
766 netif_device_detach(dev->netdev);
767 dev_warn(&netdev->dev, "rx_urb submit failed: %d\n", res);
770 usb_fill_int_urb(dev->intr_urb, dev->udev, usb_rcvintpipe(dev->udev, 3),
771 dev->intr_buff, INTBUFSIZE, intr_callback,
772 dev, dev->intr_interval);
773 if ((res = usb_submit_urb(dev->intr_urb, GFP_KERNEL))) {
775 netif_device_detach(dev->netdev);
776 dev_warn(&netdev->dev, "intr_urb submit failed: %d\n", res);
777 usb_kill_urb(dev->rx_urb);
780 enable_net_traffic(dev);
782 netif_start_queue(netdev);
787 static int rtl8150_close(struct net_device *netdev)
789 rtl8150_t *dev = netdev_priv(netdev);
792 netif_stop_queue(netdev);
793 if (!test_bit(RTL8150_UNPLUG, &dev->flags))
794 disable_net_traffic(dev);
795 unlink_all_urbs(dev);
800 static void rtl8150_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *info)
802 rtl8150_t *dev = netdev_priv(netdev);
804 strncpy(info->driver, driver_name, ETHTOOL_BUSINFO_LEN);
805 strncpy(info->version, DRIVER_VERSION, ETHTOOL_BUSINFO_LEN);
806 usb_make_path(dev->udev, info->bus_info, sizeof info->bus_info);
809 static int rtl8150_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
811 rtl8150_t *dev = netdev_priv(netdev);
814 ecmd->supported = (SUPPORTED_10baseT_Half |
815 SUPPORTED_10baseT_Full |
816 SUPPORTED_100baseT_Half |
817 SUPPORTED_100baseT_Full |
819 SUPPORTED_TP | SUPPORTED_MII);
820 ecmd->port = PORT_TP;
821 ecmd->transceiver = XCVR_INTERNAL;
822 ecmd->phy_address = dev->phy;
823 get_registers(dev, BMCR, 2, &bmcr);
824 get_registers(dev, ANLP, 2, &lpa);
825 if (bmcr & BMCR_ANENABLE) {
826 u32 speed = ((lpa & (LPA_100HALF | LPA_100FULL)) ?
827 SPEED_100 : SPEED_10);
828 ethtool_cmd_speed_set(ecmd, speed);
829 ecmd->autoneg = AUTONEG_ENABLE;
830 if (speed == SPEED_100)
831 ecmd->duplex = (lpa & LPA_100FULL) ?
832 DUPLEX_FULL : DUPLEX_HALF;
834 ecmd->duplex = (lpa & LPA_10FULL) ?
835 DUPLEX_FULL : DUPLEX_HALF;
837 ecmd->autoneg = AUTONEG_DISABLE;
838 ethtool_cmd_speed_set(ecmd, ((bmcr & BMCR_SPEED100) ?
839 SPEED_100 : SPEED_10));
840 ecmd->duplex = (bmcr & BMCR_FULLDPLX) ?
841 DUPLEX_FULL : DUPLEX_HALF;
846 static const struct ethtool_ops ops = {
847 .get_drvinfo = rtl8150_get_drvinfo,
848 .get_settings = rtl8150_get_settings,
849 .get_link = ethtool_op_get_link
852 static int rtl8150_ioctl(struct net_device *netdev, struct ifreq *rq, int cmd)
854 rtl8150_t *dev = netdev_priv(netdev);
855 u16 *data = (u16 *) & rq->ifr_ifru;
861 case SIOCDEVPRIVATE + 1:
862 read_mii_word(dev, dev->phy, (data[1] & 0x1f), &data[3]);
864 case SIOCDEVPRIVATE + 2:
865 if (!capable(CAP_NET_ADMIN))
867 write_mii_word(dev, dev->phy, (data[1] & 0x1f), data[2]);
876 static const struct net_device_ops rtl8150_netdev_ops = {
877 .ndo_open = rtl8150_open,
878 .ndo_stop = rtl8150_close,
879 .ndo_do_ioctl = rtl8150_ioctl,
880 .ndo_start_xmit = rtl8150_start_xmit,
881 .ndo_tx_timeout = rtl8150_tx_timeout,
882 .ndo_set_rx_mode = rtl8150_set_multicast,
883 .ndo_set_mac_address = rtl8150_set_mac_address,
885 .ndo_change_mtu = eth_change_mtu,
886 .ndo_validate_addr = eth_validate_addr,
889 static int rtl8150_probe(struct usb_interface *intf,
890 const struct usb_device_id *id)
892 struct usb_device *udev = interface_to_usbdev(intf);
894 struct net_device *netdev;
896 netdev = alloc_etherdev(sizeof(rtl8150_t));
898 err("Out of memory");
902 dev = netdev_priv(netdev);
904 dev->intr_buff = kmalloc(INTBUFSIZE, GFP_KERNEL);
905 if (!dev->intr_buff) {
910 tasklet_init(&dev->tl, rx_fixup, (unsigned long)dev);
911 spin_lock_init(&dev->rx_pool_lock);
914 dev->netdev = netdev;
915 netdev->netdev_ops = &rtl8150_netdev_ops;
916 netdev->watchdog_timeo = RTL8150_TX_TIMEOUT;
917 SET_ETHTOOL_OPS(netdev, &ops);
918 dev->intr_interval = 100; /* 100ms */
920 if (!alloc_all_urbs(dev)) {
921 err("out of memory");
924 if (!rtl8150_reset(dev)) {
925 err("couldn't reset the device");
929 set_ethernet_addr(dev);
931 usb_set_intfdata(intf, dev);
932 SET_NETDEV_DEV(netdev, &intf->dev);
933 if (register_netdev(netdev) != 0) {
934 err("couldn't register the device");
938 dev_info(&intf->dev, "%s: rtl8150 is detected\n", netdev->name);
943 usb_set_intfdata(intf, NULL);
948 kfree(dev->intr_buff);
953 static void rtl8150_disconnect(struct usb_interface *intf)
955 rtl8150_t *dev = usb_get_intfdata(intf);
957 usb_set_intfdata(intf, NULL);
959 set_bit(RTL8150_UNPLUG, &dev->flags);
960 tasklet_kill(&dev->tl);
961 unregister_netdev(dev->netdev);
962 unlink_all_urbs(dev);
966 dev_kfree_skb(dev->rx_skb);
967 kfree(dev->intr_buff);
968 free_netdev(dev->netdev);
972 static struct usb_driver rtl8150_driver = {
974 .probe = rtl8150_probe,
975 .disconnect = rtl8150_disconnect,
976 .id_table = rtl8150_table,
977 .suspend = rtl8150_suspend,
978 .resume = rtl8150_resume
981 module_usb_driver(rtl8150_driver);
983 MODULE_AUTHOR(DRIVER_AUTHOR);
984 MODULE_DESCRIPTION(DRIVER_DESC);
985 MODULE_LICENSE("GPL");