/* * ASIX AX8817X based USB 2.0 Ethernet Devices * Copyright (C) 2003-2006 David Hollis <dhollis@davehollis.com> * Copyright (C) 2005 Phil Chang <pchang23@sbcglobal.net> * Copyright (C) 2006 James Painter <jamie.painter@iname.com> * Copyright (c) 2002-2003 TiVo Inc. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ // #define DEBUG // error path messages, extra info // #define VERBOSE // more; success messages #include <linux/module.h> #include <linux/kmod.h> #include <linux/init.h> #include <linux/netdevice.h> #include <linux/etherdevice.h> #include <linux/ethtool.h> #include <linux/workqueue.h> #include <linux/mii.h> #include <linux/usb.h> #include <linux/crc32.h> #include <linux/usb/usbnet.h> #define DRIVER_VERSION "14-Jun-2006" static const char driver_name [] = "asix"; /* ASIX AX8817X based USB 2.0 Ethernet Devices */ #define AX_CMD_SET_SW_MII 0x06 #define AX_CMD_READ_MII_REG 0x07 #define AX_CMD_WRITE_MII_REG 0x08 #define AX_CMD_SET_HW_MII 0x0a #define AX_CMD_READ_EEPROM 0x0b #define AX_CMD_WRITE_EEPROM 0x0c #define AX_CMD_WRITE_ENABLE 0x0d #define AX_CMD_WRITE_DISABLE 0x0e #define AX_CMD_READ_RX_CTL 0x0f #define AX_CMD_WRITE_RX_CTL 0x10 #define AX_CMD_READ_IPG012 0x11 #define AX_CMD_WRITE_IPG0 0x12 #define AX_CMD_WRITE_IPG1 0x13 #define AX_CMD_READ_NODE_ID 0x13 #define AX_CMD_WRITE_IPG2 0x14 #define AX_CMD_WRITE_MULTI_FILTER 0x16 #define AX88172_CMD_READ_NODE_ID 0x17 #define AX_CMD_READ_PHY_ID 0x19 #define AX_CMD_READ_MEDIUM_STATUS 0x1a #define AX_CMD_WRITE_MEDIUM_MODE 0x1b #define AX_CMD_READ_MONITOR_MODE 0x1c #define AX_CMD_WRITE_MONITOR_MODE 0x1d #define AX_CMD_READ_GPIOS 0x1e #define AX_CMD_WRITE_GPIOS 0x1f #define AX_CMD_SW_RESET 0x20 #define AX_CMD_SW_PHY_STATUS 0x21 #define AX_CMD_SW_PHY_SELECT 0x22 #define AX_MONITOR_MODE 0x01 #define AX_MONITOR_LINK 0x02 #define AX_MONITOR_MAGIC 0x04 #define AX_MONITOR_HSFS 0x10 /* AX88172 Medium Status Register values */ #define AX88172_MEDIUM_FD 0x02 #define AX88172_MEDIUM_TX 0x04 #define AX88172_MEDIUM_FC 0x10 #define AX88172_MEDIUM_DEFAULT \ ( AX88172_MEDIUM_FD | AX88172_MEDIUM_TX | AX88172_MEDIUM_FC ) #define AX_MCAST_FILTER_SIZE 8 #define AX_MAX_MCAST 64 #define AX_SWRESET_CLEAR 0x00 #define AX_SWRESET_RR 0x01 #define AX_SWRESET_RT 0x02 #define AX_SWRESET_PRTE 0x04 #define AX_SWRESET_PRL 0x08 #define AX_SWRESET_BZ 0x10 #define AX_SWRESET_IPRL 0x20 #define AX_SWRESET_IPPD 0x40 #define AX88772_IPG0_DEFAULT 0x15 #define AX88772_IPG1_DEFAULT 0x0c #define AX88772_IPG2_DEFAULT 0x12 /* AX88772 & AX88178 Medium Mode Register */ #define AX_MEDIUM_PF 0x0080 #define AX_MEDIUM_JFE 0x0040 #define AX_MEDIUM_TFC 0x0020 #define AX_MEDIUM_RFC 0x0010 #define AX_MEDIUM_ENCK 0x0008 #define AX_MEDIUM_AC 0x0004 #define AX_MEDIUM_FD 0x0002 #define AX_MEDIUM_GM 0x0001 #define AX_MEDIUM_SM 0x1000 #define AX_MEDIUM_SBP 0x0800 #define AX_MEDIUM_PS 0x0200 #define AX_MEDIUM_RE 0x0100 #define AX88178_MEDIUM_DEFAULT \ (AX_MEDIUM_PS | AX_MEDIUM_FD | AX_MEDIUM_AC | \ AX_MEDIUM_RFC | AX_MEDIUM_TFC | AX_MEDIUM_JFE | \ AX_MEDIUM_RE ) #define AX88772_MEDIUM_DEFAULT \ (AX_MEDIUM_FD | AX_MEDIUM_RFC | \ AX_MEDIUM_TFC | AX_MEDIUM_PS | \ AX_MEDIUM_AC | AX_MEDIUM_RE ) /* AX88772 & AX88178 RX_CTL values */ #define AX_RX_CTL_SO 0x0080 #define AX_RX_CTL_AP 0x0020 #define AX_RX_CTL_AM 0x0010 #define AX_RX_CTL_AB 0x0008 #define AX_RX_CTL_SEP 0x0004 #define AX_RX_CTL_AMALL 0x0002 #define AX_RX_CTL_PRO 0x0001 #define AX_RX_CTL_MFB_2048 0x0000 #define AX_RX_CTL_MFB_4096 0x0100 #define AX_RX_CTL_MFB_8192 0x0200 #define AX_RX_CTL_MFB_16384 0x0300 #define AX_DEFAULT_RX_CTL \ (AX_RX_CTL_SO | AX_RX_CTL_AB ) /* GPIO 0 .. 2 toggles */ #define AX_GPIO_GPO0EN 0x01 /* GPIO0 Output enable */ #define AX_GPIO_GPO_0 0x02 /* GPIO0 Output value */ #define AX_GPIO_GPO1EN 0x04 /* GPIO1 Output enable */ #define AX_GPIO_GPO_1 0x08 /* GPIO1 Output value */ #define AX_GPIO_GPO2EN 0x10 /* GPIO2 Output enable */ #define AX_GPIO_GPO_2 0x20 /* GPIO2 Output value */ #define AX_GPIO_RESERVED 0x40 /* Reserved */ #define AX_GPIO_RSE 0x80 /* Reload serial EEPROM */ #define AX_EEPROM_MAGIC 0xdeadbeef #define AX88172_EEPROM_LEN 0x40 #define AX88772_EEPROM_LEN 0xff #define PHY_MODE_MARVELL 0x0000 #define MII_MARVELL_LED_CTRL 0x0018 #define MII_MARVELL_STATUS 0x001b #define MII_MARVELL_CTRL 0x0014 #define MARVELL_LED_MANUAL 0x0019 #define MARVELL_STATUS_HWCFG 0x0004 #define MARVELL_CTRL_TXDELAY 0x0002 #define MARVELL_CTRL_RXDELAY 0x0080 /* This structure cannot exceed sizeof(unsigned long [5]) AKA 20 bytes */ struct asix_data { u8 multi_filter[AX_MCAST_FILTER_SIZE]; u8 phymode; u8 ledmode; u8 eeprom_len; }; struct ax88172_int_data { __le16 res1; u8 link; __le16 res2; u8 status; __le16 res3; } __attribute__ ((packed)); static int asix_read_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index, u16 size, void *data) { void *buf; int err = -ENOMEM; devdbg(dev,"asix_read_cmd() cmd=0x%02x value=0x%04x index=0x%04x size=%d", cmd, value, index, size); buf = kmalloc(size, GFP_KERNEL); if (!buf) goto out; err = usb_control_msg( dev->udev, usb_rcvctrlpipe(dev->udev, 0), cmd, USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, value, index, buf, size, USB_CTRL_GET_TIMEOUT); if (err == size) memcpy(data, buf, size); else if (err >= 0) err = -EINVAL; kfree(buf); out: return err; } static int asix_write_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index, u16 size, void *data) { void *buf = NULL; int err = -ENOMEM; devdbg(dev,"asix_write_cmd() cmd=0x%02x value=0x%04x index=0x%04x size=%d", cmd, value, index, size); if (data) { buf = kmalloc(size, GFP_KERNEL); if (!buf) goto out; memcpy(buf, data, size); } err = usb_control_msg( dev->udev, usb_sndctrlpipe(dev->udev, 0), cmd, USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, value, index, buf, size, USB_CTRL_SET_TIMEOUT); kfree(buf); out: return err; } static void asix_async_cmd_callback(struct urb *urb) { struct usb_ctrlrequest *req = (struct usb_ctrlrequest *)urb->context; int status = urb->status; if (status < 0) printk(KERN_DEBUG "asix_async_cmd_callback() failed with %d", status); kfree(req); usb_free_urb(urb); } static void asix_write_cmd_async(struct usbnet *dev, u8 cmd, u16 value, u16 index, u16 size, void *data) { struct usb_ctrlrequest *req; int status; struct urb *urb; devdbg(dev,"asix_write_cmd_async() cmd=0x%02x value=0x%04x index=0x%04x size=%d", cmd, value, index, size); if ((urb = usb_alloc_urb(0, GFP_ATOMIC)) == NULL) { deverr(dev, "Error allocating URB in write_cmd_async!"); return; } if ((req = kmalloc(sizeof(struct usb_ctrlrequest), GFP_ATOMIC)) == NULL) { deverr(dev, "Failed to allocate memory for control request"); usb_free_urb(urb); return; } req->bRequestType = USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE; req->bRequest = cmd; req->wValue = cpu_to_le16(value); req->wIndex = cpu_to_le16(index); req->wLength = cpu_to_le16(size); usb_fill_control_urb(urb, dev->udev, usb_sndctrlpipe(dev->udev, 0), (void *)req, data, size, asix_async_cmd_callback, req); if((status = usb_submit_urb(urb, GFP_ATOMIC)) < 0) { deverr(dev, "Error submitting the control message: status=%d", status); kfree(req); usb_free_urb(urb); } } static int asix_rx_fixup(struct usbnet *dev, struct sk_buff *skb) { u8 *head; u32 header; char *packet; struct sk_buff *ax_skb; u16 size; head = (u8 *) skb->data; memcpy(&header, head, sizeof(header)); le32_to_cpus(&header); packet = head + sizeof(header); skb_pull(skb, 4); while (skb->len > 0) { if ((short)(header & 0x0000ffff) != ~((short)((header & 0xffff0000) >> 16))) { deverr(dev,"asix_rx_fixup() Bad Header Length"); } /* get the packet length */ size = (u16) (header & 0x0000ffff); if ((skb->len) - ((size + 1) & 0xfffe) == 0) return 2; if (size > ETH_FRAME_LEN) { deverr(dev,"asix_rx_fixup() Bad RX Length %d", size); return 0; } ax_skb = skb_clone(skb, GFP_ATOMIC); if (ax_skb) { ax_skb->len = size; ax_skb->data = packet; skb_set_tail_pointer(ax_skb, size); usbnet_skb_return(dev, ax_skb); } else { return 0; } skb_pull(skb, (size + 1) & 0xfffe); if (skb->len == 0) break; head = (u8 *) skb->data; memcpy(&header, head, sizeof(header)); le32_to_cpus(&header); packet = head + sizeof(header); skb_pull(skb, 4); } if (skb->len < 0) { deverr(dev,"asix_rx_fixup() Bad SKB Length %d", skb->len); return 0; } return 1; } static struct sk_buff *asix_tx_fixup(struct usbnet *dev, struct sk_buff *skb, gfp_t flags) { int padlen; int headroom = skb_headroom(skb); int tailroom = skb_tailroom(skb); u32 packet_len; u32 padbytes = 0xffff0000; padlen = ((skb->len + 4) % 512) ? 0 : 4; if ((!skb_cloned(skb)) && ((headroom + tailroom) >= (4 + padlen))) { if ((headroom < 4) || (tailroom < padlen)) { skb->data = memmove(skb->head + 4, skb->data, skb->len); skb_set_tail_pointer(skb, skb->len); } } else { struct sk_buff *skb2; skb2 = skb_copy_expand(skb, 4, padlen, flags); dev_kfree_skb_any(skb); skb = skb2; if (!skb) return NULL; } skb_push(skb, 4); packet_len = (((skb->len - 4) ^ 0x0000ffff) << 16) + (skb->len - 4); cpu_to_le32s(&packet_len); skb_copy_to_linear_data(skb, &packet_len, sizeof(packet_len)); if ((skb->len % 512) == 0) { cpu_to_le32s(&padbytes); memcpy(skb_tail_pointer(skb), &padbytes, sizeof(padbytes)); skb_put(skb, sizeof(padbytes)); } return skb; } static void asix_status(struct usbnet *dev, struct urb *urb) { struct ax88172_int_data *event; int link; if (urb->actual_length < 8) return; event = urb->transfer_buffer; link = event->link & 0x01; if (netif_carrier_ok(dev->net) != link) { if (link) { netif_carrier_on(dev->net); usbnet_defer_kevent (dev, EVENT_LINK_RESET ); } else netif_carrier_off(dev->net); devdbg(dev, "Link Status is: %d", link); } } static inline int asix_set_sw_mii(struct usbnet *dev) { int ret; ret = asix_write_cmd(dev, AX_CMD_SET_SW_MII, 0x0000, 0, 0, NULL); if (ret < 0) deverr(dev, "Failed to enable software MII access"); return ret; } static inline int asix_set_hw_mii(struct usbnet *dev) { int ret; ret = asix_write_cmd(dev, AX_CMD_SET_HW_MII, 0x0000, 0, 0, NULL); if (ret < 0) deverr(dev, "Failed to enable hardware MII access"); return ret; } static inline int asix_get_phy_addr(struct usbnet *dev) { u8 buf[2]; int ret = asix_read_cmd(dev, AX_CMD_READ_PHY_ID, 0, 0, 2, buf); devdbg(dev, "asix_get_phy_addr()"); if (ret < 0) { deverr(dev, "Error reading PHYID register: %02x", ret); goto out; } devdbg(dev, "asix_get_phy_addr() returning 0x%04x", *((__le16 *)buf)); ret = buf[1]; out: return ret; } static int asix_sw_reset(struct usbnet *dev, u8 flags) { int ret; ret = asix_write_cmd(dev, AX_CMD_SW_RESET, flags, 0, 0, NULL); if (ret < 0) deverr(dev,"Failed to send software reset: %02x", ret); return ret; } static u16 asix_read_rx_ctl(struct usbnet *dev) { __le16 v; int ret = asix_read_cmd(dev, AX_CMD_READ_RX_CTL, 0, 0, 2, &v); if (ret < 0) { deverr(dev, "Error reading RX_CTL register: %02x", ret); goto out; } ret = le16_to_cpu(v); out: return ret; } static int asix_write_rx_ctl(struct usbnet *dev, u16 mode) { int ret; devdbg(dev,"asix_write_rx_ctl() - mode = 0x%04x", mode); ret = asix_write_cmd(dev, AX_CMD_WRITE_RX_CTL, mode, 0, 0, NULL); if (ret < 0) deverr(dev, "Failed to write RX_CTL mode to 0x%04x: %02x", mode, ret); return ret; } static u16 asix_read_medium_status(struct usbnet *dev) { __le16 v; int ret = asix_read_cmd(dev, AX_CMD_READ_MEDIUM_STATUS, 0, 0, 2, &v); if (ret < 0) { deverr(dev, "Error reading Medium Status register: %02x", ret); goto out; } ret = le16_to_cpu(v); out: return ret; } static int asix_write_medium_mode(struct usbnet *dev, u16 mode) { int ret; devdbg(dev,"asix_write_medium_mode() - mode = 0x%04x", mode); ret = asix_write_cmd(dev, AX_CMD_WRITE_MEDIUM_MODE, mode, 0, 0, NULL); if (ret < 0) deverr(dev, "Failed to write Medium Mode mode to 0x%04x: %02x", mode, ret); return ret; } static int asix_write_gpio(struct usbnet *dev, u16 value, int sleep) { int ret; devdbg(dev,"asix_write_gpio() - value = 0x%04x", value); ret = asix_write_cmd(dev, AX_CMD_WRITE_GPIOS, value, 0, 0, NULL); if (ret < 0) deverr(dev, "Failed to write GPIO value 0x%04x: %02x", value, ret); if (sleep) msleep(sleep); return ret; } /* * AX88772 & AX88178 have a 16-bit RX_CTL value */ static void asix_set_multicast(struct net_device *net) { struct usbnet *dev = netdev_priv(net); struct asix_data *data = (struct asix_data *)&dev->data; u16 rx_ctl = AX_DEFAULT_RX_CTL; if (net->flags & IFF_PROMISC) { rx_ctl |= AX_RX_CTL_PRO; } else if (net->flags & IFF_ALLMULTI || net->mc_count > AX_MAX_MCAST) { rx_ctl |= AX_RX_CTL_AMALL; } else if (net->mc_count == 0) { /* just broadcast and directed */ } else { /* We use the 20 byte dev->data * for our 8 byte filter buffer * to avoid allocating memory that * is tricky to free later */ struct dev_mc_list *mc_list = net->mc_list; u32 crc_bits; int i; memset(data->multi_filter, 0, AX_MCAST_FILTER_SIZE); /* Build the multicast hash filter. */ for (i = 0; i < net->mc_count; i++) { crc_bits = ether_crc(ETH_ALEN, mc_list->dmi_addr) >> 26; data->multi_filter[crc_bits >> 3] |= 1 << (crc_bits & 7); mc_list = mc_list->next; } asix_write_cmd_async(dev, AX_CMD_WRITE_MULTI_FILTER, 0, 0, AX_MCAST_FILTER_SIZE, data->multi_filter); rx_ctl |= AX_RX_CTL_AM; } asix_write_cmd_async(dev, AX_CMD_WRITE_RX_CTL, rx_ctl, 0, 0, NULL); } static int asix_mdio_read(struct net_device *netdev, int phy_id, int loc) { struct usbnet *dev = netdev_priv(netdev); __le16 res; mutex_lock(&dev->phy_mutex); asix_set_sw_mii(dev); asix_read_cmd(dev, AX_CMD_READ_MII_REG, phy_id, (__u16)loc, 2, &res); asix_set_hw_mii(dev); mutex_unlock(&dev->phy_mutex); devdbg(dev, "asix_mdio_read() phy_id=0x%02x, loc=0x%02x, returns=0x%04x", phy_id, loc, le16_to_cpu(res)); return le16_to_cpu(res); } static void asix_mdio_write(struct net_device *netdev, int phy_id, int loc, int val) { struct usbnet *dev = netdev_priv(netdev); __le16 res = cpu_to_le16(val); devdbg(dev, "asix_mdio_write() phy_id=0x%02x, loc=0x%02x, val=0x%04x", phy_id, loc, val); mutex_lock(&dev->phy_mutex); asix_set_sw_mii(dev); asix_write_cmd(dev, AX_CMD_WRITE_MII_REG, phy_id, (__u16)loc, 2, &res); asix_set_hw_mii(dev); mutex_unlock(&dev->phy_mutex); } /* Get the PHY Identifier from the PHYSID1 & PHYSID2 MII registers */ static u32 asix_get_phyid(struct usbnet *dev) { int phy_reg; u32 phy_id; phy_reg = asix_mdio_read(dev->net, dev->mii.phy_id, MII_PHYSID1); if (phy_reg < 0) return 0; phy_id = (phy_reg & 0xffff) << 16; phy_reg = asix_mdio_read(dev->net, dev->mii.phy_id, MII_PHYSID2); if (phy_reg < 0) return 0; phy_id |= (phy_reg & 0xffff); return phy_id; } static void asix_get_wol(struct net_device *net, struct ethtool_wolinfo *wolinfo) { struct usbnet *dev = netdev_priv(net); u8 opt; if (asix_read_cmd(dev, AX_CMD_READ_MONITOR_MODE, 0, 0, 1, &opt) < 0) { wolinfo->supported = 0; wolinfo->wolopts = 0; return; } wolinfo->supported = WAKE_PHY | WAKE_MAGIC; wolinfo->wolopts = 0; if (opt & AX_MONITOR_MODE) { if (opt & AX_MONITOR_LINK) wolinfo->wolopts |= WAKE_PHY; if (opt & AX_MONITOR_MAGIC) wolinfo->wolopts |= WAKE_MAGIC; } } static int asix_set_wol(struct net_device *net, struct ethtool_wolinfo *wolinfo) { struct usbnet *dev = netdev_priv(net); u8 opt = 0; if (wolinfo->wolopts & WAKE_PHY) opt |= AX_MONITOR_LINK; if (wolinfo->wolopts & WAKE_MAGIC) opt |= AX_MONITOR_MAGIC; if (opt != 0) opt |= AX_MONITOR_MODE; if (asix_write_cmd(dev, AX_CMD_WRITE_MONITOR_MODE, opt, 0, 0, NULL) < 0) return -EINVAL; return 0; } static int asix_get_eeprom_len(struct net_device *net) { struct usbnet *dev = netdev_priv(net); struct asix_data *data = (struct asix_data *)&dev->data; return data->eeprom_len; } static int asix_get_eeprom(struct net_device *net, struct ethtool_eeprom *eeprom, u8 *data) { struct usbnet *dev = netdev_priv(net); __le16 *ebuf = (__le16 *)data; int i; /* Crude hack to ensure that we don't overwrite memory * if an odd length is supplied */ if (eeprom->len % 2) return -EINVAL; eeprom->magic = AX_EEPROM_MAGIC; /* ax8817x returns 2 bytes from eeprom on read */ for (i=0; i < eeprom->len / 2; i++) { if (asix_read_cmd(dev, AX_CMD_READ_EEPROM, eeprom->offset + i, 0, 2, &ebuf[i]) < 0) return -EINVAL; } return 0; } static void asix_get_drvinfo (struct net_device *net, struct ethtool_drvinfo *info) { struct usbnet *dev = netdev_priv(net); struct asix_data *data = (struct asix_data *)&dev->data; /* Inherit standard device info */ usbnet_get_drvinfo(net, info); strncpy (info->driver, driver_name, sizeof info->driver); strncpy (info->version, DRIVER_VERSION, sizeof info->version); info->eedump_len = data->eeprom_len; } static u32 asix_get_link(struct net_device *net) { struct usbnet *dev = netdev_priv(net); return mii_link_ok(&dev->mii); } static int asix_ioctl (struct net_device *net, struct ifreq *rq, int cmd) { struct usbnet *dev = netdev_priv(net); return generic_mii_ioctl(&dev->mii, if_mii(rq), cmd, NULL); } /* We need to override some ethtool_ops so we require our own structure so we don't interfere with other usbnet devices that may be connected at the same time. */ static struct ethtool_ops ax88172_ethtool_ops = { .get_drvinfo = asix_get_drvinfo, .get_link = asix_get_link, .get_msglevel = usbnet_get_msglevel, .set_msglevel = usbnet_set_msglevel, .get_wol = asix_get_wol, .set_wol = asix_set_wol, .get_eeprom_len = asix_get_eeprom_len, .get_eeprom = asix_get_eeprom, .get_settings = usbnet_get_settings, .set_settings = usbnet_set_settings, .nway_reset = usbnet_nway_reset, }; static void ax88172_set_multicast(struct net_device *net) { struct usbnet *dev = netdev_priv(net); struct asix_data *data = (struct asix_data *)&dev->data; u8 rx_ctl = 0x8c; if (net->flags & IFF_PROMISC) { rx_ctl |= 0x01; } else if (net->flags & IFF_ALLMULTI || net->mc_count > AX_MAX_MCAST) { rx_ctl |= 0x02; } else if (net->mc_count == 0) { /* just broadcast and directed */ } else { /* We use the 20 byte dev->data * for our 8 byte filter buffer * to avoid allocating memory that * is tricky to free later */ struct dev_mc_list *mc_list = net->mc_list; u32 crc_bits; int i; memset(data->multi_filter, 0, AX_MCAST_FILTER_SIZE); /* Build the multicast hash filter. */ for (i = 0; i < net->mc_count; i++) { crc_bits = ether_crc(ETH_ALEN, mc_list->dmi_addr) >> 26; data->multi_filter[crc_bits >> 3] |= 1 << (crc_bits & 7); mc_list = mc_list->next; } asix_write_cmd_async(dev, AX_CMD_WRITE_MULTI_FILTER, 0, 0, AX_MCAST_FILTER_SIZE, data->multi_filter); rx_ctl |= 0x10; } asix_write_cmd_async(dev, AX_CMD_WRITE_RX_CTL, rx_ctl, 0, 0, NULL); } static int ax88172_link_reset(struct usbnet *dev) { u8 mode; struct ethtool_cmd ecmd; mii_check_media(&dev->mii, 1, 1); mii_ethtool_gset(&dev->mii, &ecmd); mode = AX88172_MEDIUM_DEFAULT; if (ecmd.duplex != DUPLEX_FULL) mode |= ~AX88172_MEDIUM_FD; devdbg(dev, "ax88172_link_reset() speed: %d duplex: %d setting mode to 0x%04x", ecmd.speed, ecmd.duplex, mode); asix_write_medium_mode(dev, mode); return 0; } static int ax88172_bind(struct usbnet *dev, struct usb_interface *intf) { int ret = 0; u8 buf[ETH_ALEN]; int i; unsigned long gpio_bits = dev->driver_info->data; struct asix_data *data = (struct asix_data *)&dev->data; data->eeprom_len = AX88172_EEPROM_LEN; usbnet_get_endpoints(dev,intf); /* Toggle the GPIOs in a manufacturer/model specific way */ for (i = 2; i >= 0; i--) { if ((ret = asix_write_cmd(dev, AX_CMD_WRITE_GPIOS, (gpio_bits >> (i * 8)) & 0xff, 0, 0, NULL)) < 0) goto out; msleep(5); } if ((ret = asix_write_rx_ctl(dev, 0x80)) < 0) goto out; /* Get the MAC address */ if ((ret = asix_read_cmd(dev, AX88172_CMD_READ_NODE_ID, 0, 0, ETH_ALEN, buf)) < 0) { dbg("read AX_CMD_READ_NODE_ID failed: %d", ret); goto out; } memcpy(dev->net->dev_addr, buf, ETH_ALEN); /* Initialize MII structure */ dev->mii.dev = dev->net; dev->mii.mdio_read = asix_mdio_read; dev->mii.mdio_write = asix_mdio_write; dev->mii.phy_id_mask = 0x3f; dev->mii.reg_num_mask = 0x1f; dev->mii.phy_id = asix_get_phy_addr(dev); dev->net->do_ioctl = asix_ioctl; dev->net->set_multicast_list = ax88172_set_multicast; dev->net->ethtool_ops = &ax88172_ethtool_ops; asix_mdio_write(dev->net, dev->mii.phy_id, MII_BMCR, BMCR_RESET); asix_mdio_write(dev->net, dev->mii.phy_id, MII_ADVERTISE, ADVERTISE_ALL | ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP); mii_nway_restart(&dev->mii); return 0; out: return ret; } static struct ethtool_ops ax88772_ethtool_ops = { .get_drvinfo = asix_get_drvinfo, .get_link = asix_get_link, .get_msglevel = usbnet_get_msglevel, .set_msglevel = usbnet_set_msglevel, .get_wol = asix_get_wol, .set_wol = asix_set_wol, .get_eeprom_len = asix_get_eeprom_len, .get_eeprom = asix_get_eeprom, .get_settings = usbnet_get_settings, .set_settings = usbnet_set_settings, .nway_reset = usbnet_nway_reset, }; static int ax88772_link_reset(struct usbnet *dev) { u16 mode; struct ethtool_cmd ecmd; mii_check_media(&dev->mii, 1, 1); mii_ethtool_gset(&dev->mii, &ecmd); mode = AX88772_MEDIUM_DEFAULT; if (ecmd.speed != SPEED_100) mode &= ~AX_MEDIUM_PS; if (ecmd.duplex != DUPLEX_FULL) mode &= ~AX_MEDIUM_FD; devdbg(dev, "ax88772_link_reset() speed: %d duplex: %d setting mode to 0x%04x", ecmd.speed, ecmd.duplex, mode); asix_write_medium_mode(dev, mode); return 0; } static int ax88772_bind(struct usbnet *dev, struct usb_interface *intf) { int ret, embd_phy; u16 rx_ctl; struct asix_data *data = (struct asix_data *)&dev->data; u8 buf[ETH_ALEN]; u32 phyid; data->eeprom_len = AX88772_EEPROM_LEN; usbnet_get_endpoints(dev,intf); if ((ret = asix_write_gpio(dev, AX_GPIO_RSE | AX_GPIO_GPO_2 | AX_GPIO_GPO2EN, 5)) < 0) goto out; /* 0x10 is the phy id of the embedded 10/100 ethernet phy */ embd_phy = ((asix_get_phy_addr(dev) & 0x1f) == 0x10 ? 1 : 0); if ((ret = asix_write_cmd(dev, AX_CMD_SW_PHY_SELECT, embd_phy, 0, 0, NULL)) < 0) { dbg("Select PHY #1 failed: %d", ret); goto out; } if ((ret = asix_sw_reset(dev, AX_SWRESET_IPPD | AX_SWRESET_PRL)) < 0) goto out; msleep(150); if ((ret = asix_sw_reset(dev, AX_SWRESET_CLEAR)) < 0) goto out; msleep(150); if (embd_phy) { if ((ret = asix_sw_reset(dev, AX_SWRESET_IPRL)) < 0) goto out; } else { if ((ret = asix_sw_reset(dev, AX_SWRESET_PRTE)) < 0) goto out; } msleep(150); rx_ctl = asix_read_rx_ctl(dev); dbg("RX_CTL is 0x%04x after software reset", rx_ctl); if ((ret = asix_write_rx_ctl(dev, 0x0000)) < 0) goto out; rx_ctl = asix_read_rx_ctl(dev); dbg("RX_CTL is 0x%04x setting to 0x0000", rx_ctl); /* Get the MAC address */ if ((ret = asix_read_cmd(dev, AX_CMD_READ_NODE_ID, 0, 0, ETH_ALEN, buf)) < 0) { dbg("Failed to read MAC address: %d", ret); goto out; } memcpy(dev->net->dev_addr, buf, ETH_ALEN); /* Initialize MII structure */ dev->mii.dev = dev->net; dev->mii.mdio_read = asix_mdio_read; dev->mii.mdio_write = asix_mdio_write; dev->mii.phy_id_mask = 0x1f; dev->mii.reg_num_mask = 0x1f; dev->net->do_ioctl = asix_ioctl; dev->mii.phy_id = asix_get_phy_addr(dev); phyid = asix_get_phyid(dev); dbg("PHYID=0x%08x", phyid); if ((ret = asix_sw_reset(dev, AX_SWRESET_PRL)) < 0) goto out; msleep(150); if ((ret = asix_sw_reset(dev, AX_SWRESET_IPRL | AX_SWRESET_PRL)) < 0) goto out; msleep(150); dev->net->set_multicast_list = asix_set_multicast; dev->net->ethtool_ops = &ax88772_ethtool_ops; asix_mdio_write(dev->net, dev->mii.phy_id, MII_BMCR, BMCR_RESET); asix_mdio_write(dev->net, dev->mii.phy_id, MII_ADVERTISE, ADVERTISE_ALL | ADVERTISE_CSMA); mii_nway_restart(&dev->mii); if ((ret = asix_write_medium_mode(dev, AX88772_MEDIUM_DEFAULT)) < 0) goto out; if ((ret = asix_write_cmd(dev, AX_CMD_WRITE_IPG0, AX88772_IPG0_DEFAULT | AX88772_IPG1_DEFAULT, AX88772_IPG2_DEFAULT, 0, NULL)) < 0) { dbg("Write IPG,IPG1,IPG2 failed: %d", ret); goto out; } /* Set RX_CTL to default values with 2k buffer, and enable cactus */ if ((ret = asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL)) < 0) goto out; rx_ctl = asix_read_rx_ctl(dev); dbg("RX_CTL is 0x%04x after all initializations", rx_ctl); rx_ctl = asix_read_medium_status(dev); dbg("Medium Status is 0x%04x after all initializations", rx_ctl); /* Asix framing packs multiple eth frames into a 2K usb bulk transfer */ if (dev->driver_info->flags & FLAG_FRAMING_AX) { /* hard_mtu is still the default - the device does not support jumbo eth frames */ dev->rx_urb_size = 2048; } return 0; out: return ret; } static struct ethtool_ops ax88178_ethtool_ops = { .get_drvinfo = asix_get_drvinfo, .get_link = asix_get_link, .get_msglevel = usbnet_get_msglevel, .set_msglevel = usbnet_set_msglevel, .get_wol = asix_get_wol, .set_wol = asix_set_wol, .get_eeprom_len = asix_get_eeprom_len, .get_eeprom = asix_get_eeprom, .get_settings = usbnet_get_settings, .set_settings = usbnet_set_settings, .nway_reset = usbnet_nway_reset, }; static int marvell_phy_init(struct usbnet *dev) { struct asix_data *data = (struct asix_data *)&dev->data; u16 reg; devdbg(dev,"marvell_phy_init()"); reg = asix_mdio_read(dev->net, dev->mii.phy_id, MII_MARVELL_STATUS); devdbg(dev,"MII_MARVELL_STATUS = 0x%04x", reg); asix_mdio_write(dev->net, dev->mii.phy_id, MII_MARVELL_CTRL, MARVELL_CTRL_RXDELAY | MARVELL_CTRL_TXDELAY); if (data->ledmode) { reg = asix_mdio_read(dev->net, dev->mii.phy_id, MII_MARVELL_LED_CTRL); devdbg(dev,"MII_MARVELL_LED_CTRL (1) = 0x%04x", reg); reg &= 0xf8ff; reg |= (1 + 0x0100); asix_mdio_write(dev->net, dev->mii.phy_id, MII_MARVELL_LED_CTRL, reg); reg = asix_mdio_read(dev->net, dev->mii.phy_id, MII_MARVELL_LED_CTRL); devdbg(dev,"MII_MARVELL_LED_CTRL (2) = 0x%04x", reg); reg &= 0xfc0f; } return 0; } static int marvell_led_status(struct usbnet *dev, u16 speed) { u16 reg = asix_mdio_read(dev->net, dev->mii.phy_id, MARVELL_LED_MANUAL); devdbg(dev, "marvell_led_status() read 0x%04x", reg); /* Clear out the center LED bits - 0x03F0 */ reg &= 0xfc0f; switch (speed) { case SPEED_1000: reg |= 0x03e0; break; case SPEED_100: reg |= 0x03b0; break; default: reg |= 0x02f0; } devdbg(dev, "marvell_led_status() writing 0x%04x", reg); asix_mdio_write(dev->net, dev->mii.phy_id, MARVELL_LED_MANUAL, reg); return 0; } static int ax88178_link_reset(struct usbnet *dev) { u16 mode; struct ethtool_cmd ecmd; struct asix_data *data = (struct asix_data *)&dev->data; devdbg(dev,"ax88178_link_reset()"); mii_check_media(&dev->mii, 1, 1); mii_ethtool_gset(&dev->mii, &ecmd); mode = AX88178_MEDIUM_DEFAULT; if (ecmd.speed == SPEED_1000) mode |= AX_MEDIUM_GM; else if (ecmd.speed == SPEED_100) mode |= AX_MEDIUM_PS; else mode &= ~(AX_MEDIUM_PS | AX_MEDIUM_GM); mode |= AX_MEDIUM_ENCK; if (ecmd.duplex == DUPLEX_FULL) mode |= AX_MEDIUM_FD; else mode &= ~AX_MEDIUM_FD; devdbg(dev, "ax88178_link_reset() speed: %d duplex: %d setting mode to 0x%04x", ecmd.speed, ecmd.duplex, mode); asix_write_medium_mode(dev, mode); if (data->phymode == PHY_MODE_MARVELL && data->ledmode) marvell_led_status(dev, ecmd.speed); return 0; } static void ax88178_set_mfb(struct usbnet *dev) { u16 mfb = AX_RX_CTL_MFB_16384; u16 rxctl; u16 medium; int old_rx_urb_size = dev->rx_urb_size; if (dev->hard_mtu < 2048) { dev->rx_urb_size = 2048; mfb = AX_RX_CTL_MFB_2048; } else if (dev->hard_mtu < 4096) { dev->rx_urb_size = 4096; mfb = AX_RX_CTL_MFB_4096; } else if (dev->hard_mtu < 8192) { dev->rx_urb_size = 8192; mfb = AX_RX_CTL_MFB_8192; } else if (dev->hard_mtu < 16384) { dev->rx_urb_size = 16384; mfb = AX_RX_CTL_MFB_16384; } rxctl = asix_read_rx_ctl(dev); asix_write_rx_ctl(dev, (rxctl & ~AX_RX_CTL_MFB_16384) | mfb); medium = asix_read_medium_status(dev); if (dev->net->mtu > 1500) medium |= AX_MEDIUM_JFE; else medium &= ~AX_MEDIUM_JFE; asix_write_medium_mode(dev, medium); if (dev->rx_urb_size > old_rx_urb_size) usbnet_unlink_rx_urbs(dev); } static int ax88178_change_mtu(struct net_device *net, int new_mtu) { struct usbnet *dev = netdev_priv(net); int ll_mtu = new_mtu + net->hard_header_len + 4; devdbg(dev, "ax88178_change_mtu() new_mtu=%d", new_mtu); if (new_mtu <= 0 || ll_mtu > 16384) return -EINVAL; if ((ll_mtu % dev->maxpacket) == 0) return -EDOM; net->mtu = new_mtu; dev->hard_mtu = net->mtu + net->hard_header_len; ax88178_set_mfb(dev); return 0; } static int ax88178_bind(struct usbnet *dev, struct usb_interface *intf) { struct asix_data *data = (struct asix_data *)&dev->data; int ret; u8 buf[ETH_ALEN]; __le16 eeprom; u8 status; int gpio0 = 0; u32 phyid; usbnet_get_endpoints(dev,intf); asix_read_cmd(dev, AX_CMD_READ_GPIOS, 0, 0, 1, &status); dbg("GPIO Status: 0x%04x", status); asix_write_cmd(dev, AX_CMD_WRITE_ENABLE, 0, 0, 0, NULL); asix_read_cmd(dev, AX_CMD_READ_EEPROM, 0x0017, 0, 2, &eeprom); asix_write_cmd(dev, AX_CMD_WRITE_DISABLE, 0, 0, 0, NULL); dbg("EEPROM index 0x17 is 0x%04x", eeprom); if (eeprom == cpu_to_le16(0xffff)) { data->phymode = PHY_MODE_MARVELL; data->ledmode = 0; gpio0 = 1; } else { data->phymode = le16_to_cpu(eeprom) & 7; data->ledmode = le16_to_cpu(eeprom) >> 8; gpio0 = (le16_to_cpu(eeprom) & 0x80) ? 0 : 1; } dbg("GPIO0: %d, PhyMode: %d", gpio0, data->phymode); asix_write_gpio(dev, AX_GPIO_RSE | AX_GPIO_GPO_1 | AX_GPIO_GPO1EN, 40); if ((le16_to_cpu(eeprom) >> 8) != 1) { asix_write_gpio(dev, 0x003c, 30); asix_write_gpio(dev, 0x001c, 300); asix_write_gpio(dev, 0x003c, 30); } else { dbg("gpio phymode == 1 path"); asix_write_gpio(dev, AX_GPIO_GPO1EN, 30); asix_write_gpio(dev, AX_GPIO_GPO1EN | AX_GPIO_GPO_1, 30); } asix_sw_reset(dev, 0); msleep(150); asix_sw_reset(dev, AX_SWRESET_PRL | AX_SWRESET_IPPD); msleep(150); asix_write_rx_ctl(dev, 0); /* Get the MAC address */ if ((ret = asix_read_cmd(dev, AX_CMD_READ_NODE_ID, 0, 0, ETH_ALEN, buf)) < 0) { dbg("Failed to read MAC address: %d", ret); goto out; } memcpy(dev->net->dev_addr, buf, ETH_ALEN); /* Initialize MII structure */ dev->mii.dev = dev->net; dev->mii.mdio_read = asix_mdio_read; dev->mii.mdio_write = asix_mdio_write; dev->mii.phy_id_mask = 0x1f; dev->mii.reg_num_mask = 0xff; dev->mii.supports_gmii = 1; dev->net->do_ioctl = asix_ioctl; dev->mii.phy_id = asix_get_phy_addr(dev); dev->net->set_multicast_list = asix_set_multicast; dev->net->ethtool_ops = &ax88178_ethtool_ops; dev->net->change_mtu = &ax88178_change_mtu; phyid = asix_get_phyid(dev); dbg("PHYID=0x%08x", phyid); if (data->phymode == PHY_MODE_MARVELL) { marvell_phy_init(dev); msleep(60); } asix_mdio_write(dev->net, dev->mii.phy_id, MII_BMCR, BMCR_RESET | BMCR_ANENABLE); asix_mdio_write(dev->net, dev->mii.phy_id, MII_ADVERTISE, ADVERTISE_ALL | ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP); asix_mdio_write(dev->net, dev->mii.phy_id, MII_CTRL1000, ADVERTISE_1000FULL); mii_nway_restart(&dev->mii); if ((ret = asix_write_medium_mode(dev, AX88178_MEDIUM_DEFAULT)) < 0) goto out; if ((ret = asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL)) < 0) goto out; /* Asix framing packs multiple eth frames into a 2K usb bulk transfer */ if (dev->driver_info->flags & FLAG_FRAMING_AX) { /* hard_mtu is still the default - the device does not support jumbo eth frames */ dev->rx_urb_size = 2048; } return 0; out: return ret; } static const struct driver_info ax8817x_info = { .description = "ASIX AX8817x USB 2.0 Ethernet", .bind = ax88172_bind, .status = asix_status, .link_reset = ax88172_link_reset, .reset = ax88172_link_reset, .flags = FLAG_ETHER, .data = 0x00130103, }; static const struct driver_info dlink_dub_e100_info = { .description = "DLink DUB-E100 USB Ethernet", .bind = ax88172_bind, .status = asix_status, .link_reset = ax88172_link_reset, .reset = ax88172_link_reset, .flags = FLAG_ETHER, .data = 0x009f9d9f, }; static const struct driver_info netgear_fa120_info = { .description = "Netgear FA-120 USB Ethernet", .bind = ax88172_bind, .status = asix_status, .link_reset = ax88172_link_reset, .reset = ax88172_link_reset, .flags = FLAG_ETHER, .data = 0x00130103, }; static const struct driver_info hawking_uf200_info = { .description = "Hawking UF200 USB Ethernet", .bind = ax88172_bind, .status = asix_status, .link_reset = ax88172_link_reset, .reset = ax88172_link_reset, .flags = FLAG_ETHER, .data = 0x001f1d1f, }; static const struct driver_info ax88772_info = { .description = "ASIX AX88772 USB 2.0 Ethernet", .bind = ax88772_bind, .status = asix_status, .link_reset = ax88772_link_reset, .reset = ax88772_link_reset, .flags = FLAG_ETHER | FLAG_FRAMING_AX, .rx_fixup = asix_rx_fixup, .tx_fixup = asix_tx_fixup, }; static const struct driver_info ax88178_info = { .description = "ASIX AX88178 USB 2.0 Ethernet", .bind = ax88178_bind, .status = asix_status, .link_reset = ax88178_link_reset, .reset = ax88178_link_reset, .flags = FLAG_ETHER | FLAG_FRAMING_AX, .rx_fixup = asix_rx_fixup, .tx_fixup = asix_tx_fixup, }; static const struct usb_device_id products [] = { { // Linksys USB200M USB_DEVICE (0x077b, 0x2226), .driver_info = (unsigned long) &ax8817x_info, }, { // Netgear FA120 USB_DEVICE (0x0846, 0x1040), .driver_info = (unsigned long) &netgear_fa120_info, }, { // DLink DUB-E100 USB_DEVICE (0x2001, 0x1a00), .driver_info = (unsigned long) &dlink_dub_e100_info, }, { // Intellinet, ST Lab USB Ethernet USB_DEVICE (0x0b95, 0x1720), .driver_info = (unsigned long) &ax8817x_info, }, { // Hawking UF200, TrendNet TU2-ET100 USB_DEVICE (0x07b8, 0x420a), .driver_info = (unsigned long) &hawking_uf200_info, }, { // Billionton Systems, USB2AR USB_DEVICE (0x08dd, 0x90ff), .driver_info = (unsigned long) &ax8817x_info, }, { // ATEN UC210T USB_DEVICE (0x0557, 0x2009), .driver_info = (unsigned long) &ax8817x_info, }, { // Buffalo LUA-U2-KTX USB_DEVICE (0x0411, 0x003d), .driver_info = (unsigned long) &ax8817x_info, }, { // Buffalo LUA-U2-GT 10/100/1000 USB_DEVICE (0x0411, 0x006e), .driver_info = (unsigned long) &ax88178_info, }, { // Sitecom LN-029 "USB 2.0 10/100 Ethernet adapter" USB_DEVICE (0x6189, 0x182d), .driver_info = (unsigned long) &ax8817x_info, }, { // corega FEther USB2-TX USB_DEVICE (0x07aa, 0x0017), .driver_info = (unsigned long) &ax8817x_info, }, { // Surecom EP-1427X-2 USB_DEVICE (0x1189, 0x0893), .driver_info = (unsigned long) &ax8817x_info, }, { // goodway corp usb gwusb2e USB_DEVICE (0x1631, 0x6200), .driver_info = (unsigned long) &ax8817x_info, }, { // JVC MP-PRX1 Port Replicator USB_DEVICE (0x04f1, 0x3008), .driver_info = (unsigned long) &ax8817x_info, }, { // ASIX AX88772 10/100 USB_DEVICE (0x0b95, 0x7720), .driver_info = (unsigned long) &ax88772_info, }, { // ASIX AX88178 10/100/1000 USB_DEVICE (0x0b95, 0x1780), .driver_info = (unsigned long) &ax88178_info, }, { // Linksys USB200M Rev 2 USB_DEVICE (0x13b1, 0x0018), .driver_info = (unsigned long) &ax88772_info, }, { // 0Q0 cable ethernet USB_DEVICE (0x1557, 0x7720), .driver_info = (unsigned long) &ax88772_info, }, { // DLink DUB-E100 H/W Ver B1 USB_DEVICE (0x07d1, 0x3c05), .driver_info = (unsigned long) &ax88772_info, }, { // DLink DUB-E100 H/W Ver B1 Alternate USB_DEVICE (0x2001, 0x3c05), .driver_info = (unsigned long) &ax88772_info, }, { // Linksys USB1000 USB_DEVICE (0x1737, 0x0039), .driver_info = (unsigned long) &ax88178_info, }, { // IO-DATA ETG-US2 USB_DEVICE (0x04bb, 0x0930), .driver_info = (unsigned long) &ax88178_info, }, { // Belkin F5D5055 USB_DEVICE(0x050d, 0x5055), .driver_info = (unsigned long) &ax88178_info, }, { // Apple USB Ethernet Adapter USB_DEVICE(0x05ac, 0x1402), .driver_info = (unsigned long) &ax88772_info, }, { // Cables-to-Go USB Ethernet Adapter USB_DEVICE(0x0b95, 0x772a), .driver_info = (unsigned long) &ax88772_info, }, { }, // END }; MODULE_DEVICE_TABLE(usb, products); static struct usb_driver asix_driver = { .name = "asix", .id_table = products, .probe = usbnet_probe, .suspend = usbnet_suspend, .resume = usbnet_resume, .disconnect = usbnet_disconnect, .supports_autosuspend = 1, }; static int __init asix_init(void) { return usb_register(&asix_driver); } module_init(asix_init); static void __exit asix_exit(void) { usb_deregister(&asix_driver); } module_exit(asix_exit); MODULE_AUTHOR("David Hollis"); MODULE_DESCRIPTION("ASIX AX8817X based USB 2.0 Ethernet Devices"); MODULE_LICENSE("GPL");