David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 1 | /* |
| 2 | * ASIX AX8817X based USB 2.0 Ethernet Devices |
| 3 | * Copyright (C) 2003-2005 David Hollis <dhollis@davehollis.com> |
| 4 | * Copyright (C) 2005 Phil Chang <pchang23@sbcglobal.net> |
| 5 | * Copyright (c) 2002-2003 TiVo Inc. |
| 6 | * |
| 7 | * This program is free software; you can redistribute it and/or modify |
| 8 | * it under the terms of the GNU General Public License as published by |
| 9 | * the Free Software Foundation; either version 2 of the License, or |
| 10 | * (at your option) any later version. |
| 11 | * |
| 12 | * This program is distributed in the hope that it will be useful, |
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | * GNU General Public License for more details. |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License |
| 18 | * along with this program; if not, write to the Free Software |
| 19 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 20 | */ |
| 21 | |
| 22 | // #define DEBUG // error path messages, extra info |
| 23 | // #define VERBOSE // more; success messages |
| 24 | |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 25 | #include <linux/module.h> |
| 26 | #include <linux/kmod.h> |
| 27 | #include <linux/sched.h> |
| 28 | #include <linux/init.h> |
| 29 | #include <linux/netdevice.h> |
| 30 | #include <linux/etherdevice.h> |
| 31 | #include <linux/ethtool.h> |
| 32 | #include <linux/workqueue.h> |
| 33 | #include <linux/mii.h> |
| 34 | #include <linux/usb.h> |
| 35 | #include <linux/crc32.h> |
| 36 | |
| 37 | #include "usbnet.h" |
| 38 | |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 39 | /* ASIX AX8817X based USB 2.0 Ethernet Devices */ |
| 40 | |
| 41 | #define AX_CMD_SET_SW_MII 0x06 |
| 42 | #define AX_CMD_READ_MII_REG 0x07 |
| 43 | #define AX_CMD_WRITE_MII_REG 0x08 |
| 44 | #define AX_CMD_SET_HW_MII 0x0a |
| 45 | #define AX_CMD_READ_EEPROM 0x0b |
| 46 | #define AX_CMD_WRITE_EEPROM 0x0c |
| 47 | #define AX_CMD_WRITE_ENABLE 0x0d |
| 48 | #define AX_CMD_WRITE_DISABLE 0x0e |
| 49 | #define AX_CMD_WRITE_RX_CTL 0x10 |
| 50 | #define AX_CMD_READ_IPG012 0x11 |
| 51 | #define AX_CMD_WRITE_IPG0 0x12 |
| 52 | #define AX_CMD_WRITE_IPG1 0x13 |
| 53 | #define AX_CMD_WRITE_IPG2 0x14 |
| 54 | #define AX_CMD_WRITE_MULTI_FILTER 0x16 |
| 55 | #define AX_CMD_READ_NODE_ID 0x17 |
| 56 | #define AX_CMD_READ_PHY_ID 0x19 |
| 57 | #define AX_CMD_READ_MEDIUM_STATUS 0x1a |
| 58 | #define AX_CMD_WRITE_MEDIUM_MODE 0x1b |
| 59 | #define AX_CMD_READ_MONITOR_MODE 0x1c |
| 60 | #define AX_CMD_WRITE_MONITOR_MODE 0x1d |
| 61 | #define AX_CMD_WRITE_GPIOS 0x1f |
| 62 | #define AX_CMD_SW_RESET 0x20 |
| 63 | #define AX_CMD_SW_PHY_STATUS 0x21 |
| 64 | #define AX_CMD_SW_PHY_SELECT 0x22 |
| 65 | #define AX88772_CMD_READ_NODE_ID 0x13 |
| 66 | |
| 67 | #define AX_MONITOR_MODE 0x01 |
| 68 | #define AX_MONITOR_LINK 0x02 |
| 69 | #define AX_MONITOR_MAGIC 0x04 |
| 70 | #define AX_MONITOR_HSFS 0x10 |
| 71 | |
| 72 | /* AX88172 Medium Status Register values */ |
| 73 | #define AX_MEDIUM_FULL_DUPLEX 0x02 |
| 74 | #define AX_MEDIUM_TX_ABORT_ALLOW 0x04 |
| 75 | #define AX_MEDIUM_FLOW_CONTROL_EN 0x10 |
| 76 | |
| 77 | #define AX_MCAST_FILTER_SIZE 8 |
| 78 | #define AX_MAX_MCAST 64 |
| 79 | |
| 80 | #define AX_EEPROM_LEN 0x40 |
| 81 | |
| 82 | #define AX_SWRESET_CLEAR 0x00 |
| 83 | #define AX_SWRESET_RR 0x01 |
| 84 | #define AX_SWRESET_RT 0x02 |
| 85 | #define AX_SWRESET_PRTE 0x04 |
| 86 | #define AX_SWRESET_PRL 0x08 |
| 87 | #define AX_SWRESET_BZ 0x10 |
| 88 | #define AX_SWRESET_IPRL 0x20 |
| 89 | #define AX_SWRESET_IPPD 0x40 |
| 90 | |
| 91 | #define AX88772_IPG0_DEFAULT 0x15 |
| 92 | #define AX88772_IPG1_DEFAULT 0x0c |
| 93 | #define AX88772_IPG2_DEFAULT 0x12 |
| 94 | |
| 95 | #define AX88772_MEDIUM_FULL_DUPLEX 0x0002 |
| 96 | #define AX88772_MEDIUM_RESERVED 0x0004 |
| 97 | #define AX88772_MEDIUM_RX_FC_ENABLE 0x0010 |
| 98 | #define AX88772_MEDIUM_TX_FC_ENABLE 0x0020 |
| 99 | #define AX88772_MEDIUM_PAUSE_FORMAT 0x0080 |
| 100 | #define AX88772_MEDIUM_RX_ENABLE 0x0100 |
| 101 | #define AX88772_MEDIUM_100MB 0x0200 |
| 102 | #define AX88772_MEDIUM_DEFAULT \ |
| 103 | (AX88772_MEDIUM_FULL_DUPLEX | AX88772_MEDIUM_RX_FC_ENABLE | \ |
| 104 | AX88772_MEDIUM_TX_FC_ENABLE | AX88772_MEDIUM_100MB | \ |
| 105 | AX88772_MEDIUM_RESERVED | AX88772_MEDIUM_RX_ENABLE ) |
| 106 | |
| 107 | #define AX_EEPROM_MAGIC 0xdeadbeef |
| 108 | |
| 109 | /* This structure cannot exceed sizeof(unsigned long [5]) AKA 20 bytes */ |
David Hollis | 48b1be6 | 2006-03-28 20:15:42 -0500 | [diff] [blame] | 110 | struct asix_data { |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 111 | u8 multi_filter[AX_MCAST_FILTER_SIZE]; |
| 112 | }; |
| 113 | |
| 114 | struct ax88172_int_data { |
| 115 | u16 res1; |
| 116 | u8 link; |
| 117 | u16 res2; |
| 118 | u8 status; |
| 119 | u16 res3; |
| 120 | } __attribute__ ((packed)); |
| 121 | |
David Hollis | 48b1be6 | 2006-03-28 20:15:42 -0500 | [diff] [blame] | 122 | static int asix_read_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index, |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 123 | u16 size, void *data) |
| 124 | { |
| 125 | return usb_control_msg( |
| 126 | dev->udev, |
| 127 | usb_rcvctrlpipe(dev->udev, 0), |
| 128 | cmd, |
| 129 | USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, |
| 130 | value, |
| 131 | index, |
| 132 | data, |
| 133 | size, |
| 134 | USB_CTRL_GET_TIMEOUT); |
| 135 | } |
| 136 | |
David Hollis | 48b1be6 | 2006-03-28 20:15:42 -0500 | [diff] [blame] | 137 | static int asix_write_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index, |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 138 | u16 size, void *data) |
| 139 | { |
| 140 | return usb_control_msg( |
| 141 | dev->udev, |
| 142 | usb_sndctrlpipe(dev->udev, 0), |
| 143 | cmd, |
| 144 | USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, |
| 145 | value, |
| 146 | index, |
| 147 | data, |
| 148 | size, |
| 149 | USB_CTRL_SET_TIMEOUT); |
| 150 | } |
| 151 | |
David Hollis | 48b1be6 | 2006-03-28 20:15:42 -0500 | [diff] [blame] | 152 | static void asix_async_cmd_callback(struct urb *urb, struct pt_regs *regs) |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 153 | { |
| 154 | struct usb_ctrlrequest *req = (struct usb_ctrlrequest *)urb->context; |
| 155 | |
| 156 | if (urb->status < 0) |
David Hollis | 48b1be6 | 2006-03-28 20:15:42 -0500 | [diff] [blame] | 157 | printk(KERN_DEBUG "asix_async_cmd_callback() failed with %d", |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 158 | urb->status); |
| 159 | |
| 160 | kfree(req); |
| 161 | usb_free_urb(urb); |
| 162 | } |
| 163 | |
David Hollis | 48b1be6 | 2006-03-28 20:15:42 -0500 | [diff] [blame] | 164 | static inline int asix_set_sw_mii(struct usbnet *dev) |
| 165 | { |
| 166 | int ret; |
| 167 | ret = asix_write_cmd(dev, AX_CMD_SET_SW_MII, 0x0000, 0, 0, NULL); |
| 168 | if (ret < 0) |
| 169 | devdbg(dev, "Failed to enable software MII access"); |
| 170 | return ret; |
| 171 | } |
| 172 | |
| 173 | static inline int asix_set_hw_mii(struct usbnet *dev) |
| 174 | { |
| 175 | int ret; |
| 176 | ret = asix_write_cmd(dev, AX_CMD_SET_HW_MII, 0x0000, 0, 0, NULL); |
| 177 | if (ret < 0) |
| 178 | devdbg(dev, "Failed to enable hardware MII access"); |
| 179 | return ret; |
| 180 | } |
| 181 | |
| 182 | static inline int asix_get_phyid(struct usbnet *dev) |
| 183 | { |
| 184 | int ret = 0; |
| 185 | void *buf; |
| 186 | |
| 187 | buf = kmalloc(2, GFP_KERNEL); |
| 188 | if (!buf) |
| 189 | goto out1; |
| 190 | |
| 191 | if ((ret = asix_read_cmd(dev, AX_CMD_READ_PHY_ID, |
| 192 | 0, 0, 2, buf)) < 2) { |
| 193 | devdbg(dev, "Error reading PHYID register: %02x", ret); |
| 194 | goto out2; |
| 195 | } |
| 196 | ret = *((u8 *)buf + 1); |
| 197 | out2: |
| 198 | kfree(buf); |
| 199 | out1: |
| 200 | return ret; |
| 201 | } |
| 202 | |
| 203 | static int asix_sw_reset(struct usbnet *dev, u8 flags) |
| 204 | { |
| 205 | int ret; |
| 206 | |
| 207 | ret = asix_write_cmd(dev, AX_CMD_SW_RESET, flags, 0, 0, NULL); |
| 208 | if (ret < 0) |
| 209 | devdbg(dev,"Failed to send software reset: %02x", ret); |
| 210 | |
| 211 | return ret; |
| 212 | } |
| 213 | |
| 214 | static int asix_write_rx_ctl(struct usbnet *dev, u16 mode) |
| 215 | { |
| 216 | int ret; |
| 217 | |
| 218 | ret = asix_write_cmd(dev, AX_CMD_WRITE_RX_CTL, mode, 0, 0, NULL); |
| 219 | if (ret < 0) |
| 220 | devdbg(dev, "Failed to write RX_CTL mode: %02x", ret); |
| 221 | |
| 222 | return ret; |
| 223 | } |
| 224 | |
| 225 | static void asix_status(struct usbnet *dev, struct urb *urb) |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 226 | { |
| 227 | struct ax88172_int_data *event; |
| 228 | int link; |
| 229 | |
| 230 | if (urb->actual_length < 8) |
| 231 | return; |
| 232 | |
| 233 | event = urb->transfer_buffer; |
| 234 | link = event->link & 0x01; |
| 235 | if (netif_carrier_ok(dev->net) != link) { |
| 236 | if (link) { |
| 237 | netif_carrier_on(dev->net); |
| 238 | usbnet_defer_kevent (dev, EVENT_LINK_RESET ); |
| 239 | } else |
| 240 | netif_carrier_off(dev->net); |
David Hollis | 48b1be6 | 2006-03-28 20:15:42 -0500 | [diff] [blame] | 241 | devdbg(dev, "Link Status is: %d", link); |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 242 | } |
| 243 | } |
| 244 | |
| 245 | static void |
David Hollis | 48b1be6 | 2006-03-28 20:15:42 -0500 | [diff] [blame] | 246 | asix_write_cmd_async(struct usbnet *dev, u8 cmd, u16 value, u16 index, |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 247 | u16 size, void *data) |
| 248 | { |
| 249 | struct usb_ctrlrequest *req; |
| 250 | int status; |
| 251 | struct urb *urb; |
| 252 | |
| 253 | if ((urb = usb_alloc_urb(0, GFP_ATOMIC)) == NULL) { |
| 254 | devdbg(dev, "Error allocating URB in write_cmd_async!"); |
| 255 | return; |
| 256 | } |
| 257 | |
| 258 | if ((req = kmalloc(sizeof(struct usb_ctrlrequest), GFP_ATOMIC)) == NULL) { |
| 259 | deverr(dev, "Failed to allocate memory for control request"); |
| 260 | usb_free_urb(urb); |
| 261 | return; |
| 262 | } |
| 263 | |
| 264 | req->bRequestType = USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE; |
| 265 | req->bRequest = cmd; |
| 266 | req->wValue = cpu_to_le16(value); |
| 267 | req->wIndex = cpu_to_le16(index); |
| 268 | req->wLength = cpu_to_le16(size); |
| 269 | |
| 270 | usb_fill_control_urb(urb, dev->udev, |
| 271 | usb_sndctrlpipe(dev->udev, 0), |
| 272 | (void *)req, data, size, |
David Hollis | 48b1be6 | 2006-03-28 20:15:42 -0500 | [diff] [blame] | 273 | asix_async_cmd_callback, req); |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 274 | |
| 275 | if((status = usb_submit_urb(urb, GFP_ATOMIC)) < 0) { |
| 276 | deverr(dev, "Error submitting the control message: status=%d", |
| 277 | status); |
| 278 | kfree(req); |
| 279 | usb_free_urb(urb); |
| 280 | } |
| 281 | } |
| 282 | |
David Hollis | 48b1be6 | 2006-03-28 20:15:42 -0500 | [diff] [blame] | 283 | static void asix_set_multicast(struct net_device *net) |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 284 | { |
| 285 | struct usbnet *dev = netdev_priv(net); |
David Hollis | 48b1be6 | 2006-03-28 20:15:42 -0500 | [diff] [blame] | 286 | struct asix_data *data = (struct asix_data *)&dev->data; |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 287 | u8 rx_ctl = 0x8c; |
| 288 | |
| 289 | if (net->flags & IFF_PROMISC) { |
| 290 | rx_ctl |= 0x01; |
| 291 | } else if (net->flags & IFF_ALLMULTI |
| 292 | || net->mc_count > AX_MAX_MCAST) { |
| 293 | rx_ctl |= 0x02; |
| 294 | } else if (net->mc_count == 0) { |
| 295 | /* just broadcast and directed */ |
| 296 | } else { |
| 297 | /* We use the 20 byte dev->data |
| 298 | * for our 8 byte filter buffer |
| 299 | * to avoid allocating memory that |
| 300 | * is tricky to free later */ |
| 301 | struct dev_mc_list *mc_list = net->mc_list; |
| 302 | u32 crc_bits; |
| 303 | int i; |
| 304 | |
| 305 | memset(data->multi_filter, 0, AX_MCAST_FILTER_SIZE); |
| 306 | |
| 307 | /* Build the multicast hash filter. */ |
| 308 | for (i = 0; i < net->mc_count; i++) { |
| 309 | crc_bits = |
| 310 | ether_crc(ETH_ALEN, |
| 311 | mc_list->dmi_addr) >> 26; |
| 312 | data->multi_filter[crc_bits >> 3] |= |
| 313 | 1 << (crc_bits & 7); |
| 314 | mc_list = mc_list->next; |
| 315 | } |
| 316 | |
David Hollis | 48b1be6 | 2006-03-28 20:15:42 -0500 | [diff] [blame] | 317 | asix_write_cmd_async(dev, AX_CMD_WRITE_MULTI_FILTER, 0, 0, |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 318 | AX_MCAST_FILTER_SIZE, data->multi_filter); |
| 319 | |
| 320 | rx_ctl |= 0x10; |
| 321 | } |
| 322 | |
David Hollis | 48b1be6 | 2006-03-28 20:15:42 -0500 | [diff] [blame] | 323 | asix_write_cmd_async(dev, AX_CMD_WRITE_RX_CTL, rx_ctl, 0, 0, NULL); |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 324 | } |
| 325 | |
David Hollis | 48b1be6 | 2006-03-28 20:15:42 -0500 | [diff] [blame] | 326 | static int asix_mdio_read(struct net_device *netdev, int phy_id, int loc) |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 327 | { |
| 328 | struct usbnet *dev = netdev_priv(netdev); |
| 329 | u16 res; |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 330 | |
David Hollis | 48b1be6 | 2006-03-28 20:15:42 -0500 | [diff] [blame] | 331 | asix_set_sw_mii(dev); |
| 332 | asix_read_cmd(dev, AX_CMD_READ_MII_REG, phy_id, |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 333 | (__u16)loc, 2, (u16 *)&res); |
David Hollis | 48b1be6 | 2006-03-28 20:15:42 -0500 | [diff] [blame] | 334 | asix_set_hw_mii(dev); |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 335 | |
| 336 | return res & 0xffff; |
| 337 | } |
| 338 | |
| 339 | /* same as above, but converts resulting value to cpu byte order */ |
David Hollis | 48b1be6 | 2006-03-28 20:15:42 -0500 | [diff] [blame] | 340 | static int asix_mdio_read_le(struct net_device *netdev, int phy_id, int loc) |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 341 | { |
David Hollis | 48b1be6 | 2006-03-28 20:15:42 -0500 | [diff] [blame] | 342 | return le16_to_cpu(asix_mdio_read(netdev,phy_id, loc)); |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 343 | } |
| 344 | |
| 345 | static void |
David Hollis | 48b1be6 | 2006-03-28 20:15:42 -0500 | [diff] [blame] | 346 | asix_mdio_write(struct net_device *netdev, int phy_id, int loc, int val) |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 347 | { |
| 348 | struct usbnet *dev = netdev_priv(netdev); |
| 349 | u16 res = val; |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 350 | |
David Hollis | 48b1be6 | 2006-03-28 20:15:42 -0500 | [diff] [blame] | 351 | asix_set_sw_mii(dev); |
| 352 | asix_write_cmd(dev, AX_CMD_WRITE_MII_REG, phy_id, |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 353 | (__u16)loc, 2, (u16 *)&res); |
David Hollis | 48b1be6 | 2006-03-28 20:15:42 -0500 | [diff] [blame] | 354 | asix_set_hw_mii(dev); |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 355 | } |
| 356 | |
| 357 | /* same as above, but converts new value to le16 byte order before writing */ |
| 358 | static void |
David Hollis | 48b1be6 | 2006-03-28 20:15:42 -0500 | [diff] [blame] | 359 | asix_mdio_write_le(struct net_device *netdev, int phy_id, int loc, int val) |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 360 | { |
David Hollis | 48b1be6 | 2006-03-28 20:15:42 -0500 | [diff] [blame] | 361 | asix_mdio_write( netdev, phy_id, loc, cpu_to_le16(val) ); |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 362 | } |
| 363 | |
| 364 | static int ax88172_link_reset(struct usbnet *dev) |
| 365 | { |
| 366 | u16 lpa; |
| 367 | u16 adv; |
| 368 | u16 res; |
| 369 | u8 mode; |
| 370 | |
| 371 | mode = AX_MEDIUM_TX_ABORT_ALLOW | AX_MEDIUM_FLOW_CONTROL_EN; |
David Hollis | 48b1be6 | 2006-03-28 20:15:42 -0500 | [diff] [blame] | 372 | lpa = asix_mdio_read_le(dev->net, dev->mii.phy_id, MII_LPA); |
| 373 | adv = asix_mdio_read_le(dev->net, dev->mii.phy_id, MII_ADVERTISE); |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 374 | res = mii_nway_result(lpa|adv); |
| 375 | if (res & LPA_DUPLEX) |
| 376 | mode |= AX_MEDIUM_FULL_DUPLEX; |
David Hollis | 48b1be6 | 2006-03-28 20:15:42 -0500 | [diff] [blame] | 377 | asix_write_cmd(dev, AX_CMD_WRITE_MEDIUM_MODE, mode, 0, 0, NULL); |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 378 | |
| 379 | return 0; |
| 380 | } |
| 381 | |
| 382 | static void |
David Hollis | 48b1be6 | 2006-03-28 20:15:42 -0500 | [diff] [blame] | 383 | asix_get_wol(struct net_device *net, struct ethtool_wolinfo *wolinfo) |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 384 | { |
| 385 | struct usbnet *dev = netdev_priv(net); |
| 386 | u8 opt; |
| 387 | |
David Hollis | 48b1be6 | 2006-03-28 20:15:42 -0500 | [diff] [blame] | 388 | if (asix_read_cmd(dev, AX_CMD_READ_MONITOR_MODE, 0, 0, 1, &opt) < 0) { |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 389 | wolinfo->supported = 0; |
| 390 | wolinfo->wolopts = 0; |
| 391 | return; |
| 392 | } |
| 393 | wolinfo->supported = WAKE_PHY | WAKE_MAGIC; |
| 394 | wolinfo->wolopts = 0; |
| 395 | if (opt & AX_MONITOR_MODE) { |
| 396 | if (opt & AX_MONITOR_LINK) |
| 397 | wolinfo->wolopts |= WAKE_PHY; |
| 398 | if (opt & AX_MONITOR_MAGIC) |
| 399 | wolinfo->wolopts |= WAKE_MAGIC; |
| 400 | } |
| 401 | } |
| 402 | |
| 403 | static int |
David Hollis | 48b1be6 | 2006-03-28 20:15:42 -0500 | [diff] [blame] | 404 | asix_set_wol(struct net_device *net, struct ethtool_wolinfo *wolinfo) |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 405 | { |
| 406 | struct usbnet *dev = netdev_priv(net); |
| 407 | u8 opt = 0; |
| 408 | u8 buf[1]; |
| 409 | |
| 410 | if (wolinfo->wolopts & WAKE_PHY) |
| 411 | opt |= AX_MONITOR_LINK; |
| 412 | if (wolinfo->wolopts & WAKE_MAGIC) |
| 413 | opt |= AX_MONITOR_MAGIC; |
| 414 | if (opt != 0) |
| 415 | opt |= AX_MONITOR_MODE; |
| 416 | |
David Hollis | 48b1be6 | 2006-03-28 20:15:42 -0500 | [diff] [blame] | 417 | if (asix_write_cmd(dev, AX_CMD_WRITE_MONITOR_MODE, |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 418 | opt, 0, 0, &buf) < 0) |
| 419 | return -EINVAL; |
| 420 | |
| 421 | return 0; |
| 422 | } |
| 423 | |
David Hollis | 48b1be6 | 2006-03-28 20:15:42 -0500 | [diff] [blame] | 424 | static int asix_get_eeprom_len(struct net_device *net) |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 425 | { |
| 426 | return AX_EEPROM_LEN; |
| 427 | } |
| 428 | |
David Hollis | 48b1be6 | 2006-03-28 20:15:42 -0500 | [diff] [blame] | 429 | static int asix_get_eeprom(struct net_device *net, |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 430 | struct ethtool_eeprom *eeprom, u8 *data) |
| 431 | { |
| 432 | struct usbnet *dev = netdev_priv(net); |
| 433 | u16 *ebuf = (u16 *)data; |
| 434 | int i; |
| 435 | |
| 436 | /* Crude hack to ensure that we don't overwrite memory |
| 437 | * if an odd length is supplied |
| 438 | */ |
| 439 | if (eeprom->len % 2) |
| 440 | return -EINVAL; |
| 441 | |
| 442 | eeprom->magic = AX_EEPROM_MAGIC; |
| 443 | |
| 444 | /* ax8817x returns 2 bytes from eeprom on read */ |
| 445 | for (i=0; i < eeprom->len / 2; i++) { |
David Hollis | 48b1be6 | 2006-03-28 20:15:42 -0500 | [diff] [blame] | 446 | if (asix_read_cmd(dev, AX_CMD_READ_EEPROM, |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 447 | eeprom->offset + i, 0, 2, &ebuf[i]) < 0) |
| 448 | return -EINVAL; |
| 449 | } |
| 450 | return 0; |
| 451 | } |
| 452 | |
David Hollis | 48b1be6 | 2006-03-28 20:15:42 -0500 | [diff] [blame] | 453 | static void asix_get_drvinfo (struct net_device *net, |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 454 | struct ethtool_drvinfo *info) |
| 455 | { |
| 456 | /* Inherit standard device info */ |
| 457 | usbnet_get_drvinfo(net, info); |
| 458 | info->eedump_len = 0x3e; |
| 459 | } |
| 460 | |
David Hollis | 48b1be6 | 2006-03-28 20:15:42 -0500 | [diff] [blame] | 461 | static int asix_get_settings(struct net_device *net, struct ethtool_cmd *cmd) |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 462 | { |
| 463 | struct usbnet *dev = netdev_priv(net); |
| 464 | |
| 465 | return mii_ethtool_gset(&dev->mii,cmd); |
| 466 | } |
| 467 | |
David Hollis | 48b1be6 | 2006-03-28 20:15:42 -0500 | [diff] [blame] | 468 | static int asix_set_settings(struct net_device *net, struct ethtool_cmd *cmd) |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 469 | { |
| 470 | struct usbnet *dev = netdev_priv(net); |
| 471 | |
| 472 | return mii_ethtool_sset(&dev->mii,cmd); |
| 473 | } |
| 474 | |
| 475 | /* We need to override some ethtool_ops so we require our |
| 476 | own structure so we don't interfere with other usbnet |
| 477 | devices that may be connected at the same time. */ |
David Hollis | 48b1be6 | 2006-03-28 20:15:42 -0500 | [diff] [blame] | 478 | static struct ethtool_ops ax88172_ethtool_ops = { |
| 479 | .get_drvinfo = asix_get_drvinfo, |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 480 | .get_link = ethtool_op_get_link, |
| 481 | .get_msglevel = usbnet_get_msglevel, |
| 482 | .set_msglevel = usbnet_set_msglevel, |
David Hollis | 48b1be6 | 2006-03-28 20:15:42 -0500 | [diff] [blame] | 483 | .get_wol = asix_get_wol, |
| 484 | .set_wol = asix_set_wol, |
| 485 | .get_eeprom_len = asix_get_eeprom_len, |
| 486 | .get_eeprom = asix_get_eeprom, |
| 487 | .get_settings = asix_get_settings, |
| 488 | .set_settings = asix_set_settings, |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 489 | }; |
| 490 | |
David Hollis | 48b1be6 | 2006-03-28 20:15:42 -0500 | [diff] [blame] | 491 | static int asix_ioctl (struct net_device *net, struct ifreq *rq, int cmd) |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 492 | { |
| 493 | struct usbnet *dev = netdev_priv(net); |
| 494 | |
| 495 | return generic_mii_ioctl(&dev->mii, if_mii(rq), cmd, NULL); |
| 496 | } |
| 497 | |
David Hollis | 48b1be6 | 2006-03-28 20:15:42 -0500 | [diff] [blame] | 498 | static int ax88172_bind(struct usbnet *dev, struct usb_interface *intf) |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 499 | { |
| 500 | int ret = 0; |
| 501 | void *buf; |
| 502 | int i; |
| 503 | unsigned long gpio_bits = dev->driver_info->data; |
| 504 | |
| 505 | usbnet_get_endpoints(dev,intf); |
| 506 | |
| 507 | buf = kmalloc(ETH_ALEN, GFP_KERNEL); |
| 508 | if(!buf) { |
| 509 | ret = -ENOMEM; |
| 510 | goto out1; |
| 511 | } |
| 512 | |
| 513 | /* Toggle the GPIOs in a manufacturer/model specific way */ |
| 514 | for (i = 2; i >= 0; i--) { |
David Hollis | 48b1be6 | 2006-03-28 20:15:42 -0500 | [diff] [blame] | 515 | if ((ret = asix_write_cmd(dev, AX_CMD_WRITE_GPIOS, |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 516 | (gpio_bits >> (i * 8)) & 0xff, 0, 0, |
| 517 | buf)) < 0) |
| 518 | goto out2; |
| 519 | msleep(5); |
| 520 | } |
| 521 | |
David Hollis | 48b1be6 | 2006-03-28 20:15:42 -0500 | [diff] [blame] | 522 | if ((ret = asix_write_rx_ctl(dev,0x80)) < 0) |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 523 | goto out2; |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 524 | |
| 525 | /* Get the MAC address */ |
| 526 | memset(buf, 0, ETH_ALEN); |
David Hollis | 48b1be6 | 2006-03-28 20:15:42 -0500 | [diff] [blame] | 527 | if ((ret = asix_read_cmd(dev, AX_CMD_READ_NODE_ID, |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 528 | 0, 0, 6, buf)) < 0) { |
| 529 | dbg("read AX_CMD_READ_NODE_ID failed: %d", ret); |
| 530 | goto out2; |
| 531 | } |
| 532 | memcpy(dev->net->dev_addr, buf, ETH_ALEN); |
| 533 | |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 534 | /* Initialize MII structure */ |
| 535 | dev->mii.dev = dev->net; |
David Hollis | 48b1be6 | 2006-03-28 20:15:42 -0500 | [diff] [blame] | 536 | dev->mii.mdio_read = asix_mdio_read; |
| 537 | dev->mii.mdio_write = asix_mdio_write; |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 538 | dev->mii.phy_id_mask = 0x3f; |
| 539 | dev->mii.reg_num_mask = 0x1f; |
David Hollis | 48b1be6 | 2006-03-28 20:15:42 -0500 | [diff] [blame] | 540 | dev->mii.phy_id = asix_get_phyid(dev); |
| 541 | dev->net->do_ioctl = asix_ioctl; |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 542 | |
David Hollis | 48b1be6 | 2006-03-28 20:15:42 -0500 | [diff] [blame] | 543 | dev->net->set_multicast_list = asix_set_multicast; |
| 544 | dev->net->ethtool_ops = &ax88172_ethtool_ops; |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 545 | |
David Hollis | 48b1be6 | 2006-03-28 20:15:42 -0500 | [diff] [blame] | 546 | asix_mdio_write_le(dev->net, dev->mii.phy_id, MII_BMCR, BMCR_RESET); |
| 547 | asix_mdio_write_le(dev->net, dev->mii.phy_id, MII_ADVERTISE, |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 548 | ADVERTISE_ALL | ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP); |
| 549 | mii_nway_restart(&dev->mii); |
| 550 | |
| 551 | return 0; |
| 552 | out2: |
| 553 | kfree(buf); |
| 554 | out1: |
| 555 | return ret; |
| 556 | } |
| 557 | |
| 558 | static struct ethtool_ops ax88772_ethtool_ops = { |
David Hollis | 48b1be6 | 2006-03-28 20:15:42 -0500 | [diff] [blame] | 559 | .get_drvinfo = asix_get_drvinfo, |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 560 | .get_link = ethtool_op_get_link, |
| 561 | .get_msglevel = usbnet_get_msglevel, |
| 562 | .set_msglevel = usbnet_set_msglevel, |
David Hollis | 48b1be6 | 2006-03-28 20:15:42 -0500 | [diff] [blame] | 563 | .get_wol = asix_get_wol, |
| 564 | .set_wol = asix_set_wol, |
| 565 | .get_eeprom_len = asix_get_eeprom_len, |
| 566 | .get_eeprom = asix_get_eeprom, |
| 567 | .get_settings = asix_get_settings, |
| 568 | .set_settings = asix_set_settings, |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 569 | }; |
| 570 | |
| 571 | static int ax88772_bind(struct usbnet *dev, struct usb_interface *intf) |
| 572 | { |
| 573 | int ret; |
| 574 | void *buf; |
| 575 | |
| 576 | usbnet_get_endpoints(dev,intf); |
| 577 | |
| 578 | buf = kmalloc(6, GFP_KERNEL); |
| 579 | if(!buf) { |
| 580 | dbg ("Cannot allocate memory for buffer"); |
| 581 | ret = -ENOMEM; |
| 582 | goto out1; |
| 583 | } |
| 584 | |
David Hollis | 48b1be6 | 2006-03-28 20:15:42 -0500 | [diff] [blame] | 585 | if ((ret = asix_write_cmd(dev, AX_CMD_WRITE_GPIOS, |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 586 | 0x00B0, 0, 0, buf)) < 0) |
| 587 | goto out2; |
| 588 | |
| 589 | msleep(5); |
David Hollis | 48b1be6 | 2006-03-28 20:15:42 -0500 | [diff] [blame] | 590 | if ((ret = asix_write_cmd(dev, AX_CMD_SW_PHY_SELECT, |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 591 | 0x0001, 0, 0, buf)) < 0) { |
| 592 | dbg("Select PHY #1 failed: %d", ret); |
| 593 | goto out2; |
| 594 | } |
| 595 | |
David Hollis | 48b1be6 | 2006-03-28 20:15:42 -0500 | [diff] [blame] | 596 | if ((ret = asix_sw_reset(dev, AX_SWRESET_IPPD)) < 0) |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 597 | goto out2; |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 598 | |
| 599 | msleep(150); |
David Hollis | 48b1be6 | 2006-03-28 20:15:42 -0500 | [diff] [blame] | 600 | if ((ret = asix_sw_reset(dev, AX_SWRESET_CLEAR)) < 0) |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 601 | goto out2; |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 602 | |
| 603 | msleep(150); |
David Hollis | 48b1be6 | 2006-03-28 20:15:42 -0500 | [diff] [blame] | 604 | if ((ret = asix_sw_reset(dev, AX_SWRESET_IPRL | AX_SWRESET_PRL)) < 0) |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 605 | goto out2; |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 606 | |
| 607 | msleep(150); |
David Hollis | 48b1be6 | 2006-03-28 20:15:42 -0500 | [diff] [blame] | 608 | if ((ret = asix_write_rx_ctl(dev, 0x00)) < 0) |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 609 | goto out2; |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 610 | |
| 611 | /* Get the MAC address */ |
| 612 | memset(buf, 0, ETH_ALEN); |
David Hollis | 48b1be6 | 2006-03-28 20:15:42 -0500 | [diff] [blame] | 613 | if ((ret = asix_read_cmd(dev, AX88772_CMD_READ_NODE_ID, |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 614 | 0, 0, ETH_ALEN, buf)) < 0) { |
| 615 | dbg("Failed to read MAC address: %d", ret); |
| 616 | goto out2; |
| 617 | } |
| 618 | memcpy(dev->net->dev_addr, buf, ETH_ALEN); |
| 619 | |
David Hollis | 48b1be6 | 2006-03-28 20:15:42 -0500 | [diff] [blame] | 620 | if ((ret = asix_set_sw_mii(dev)) < 0) |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 621 | goto out2; |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 622 | |
David Hollis | 48b1be6 | 2006-03-28 20:15:42 -0500 | [diff] [blame] | 623 | if (((ret = asix_read_cmd(dev, AX_CMD_READ_MII_REG, |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 624 | 0x0010, 2, 2, buf)) < 0) |
| 625 | || (*((u16 *)buf) != 0x003b)) { |
| 626 | dbg("Read PHY register 2 must be 0x3b00: %d", ret); |
| 627 | goto out2; |
| 628 | } |
| 629 | |
| 630 | /* Initialize MII structure */ |
| 631 | dev->mii.dev = dev->net; |
David Hollis | 48b1be6 | 2006-03-28 20:15:42 -0500 | [diff] [blame] | 632 | dev->mii.mdio_read = asix_mdio_read; |
| 633 | dev->mii.mdio_write = asix_mdio_write; |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 634 | dev->mii.phy_id_mask = 0xff; |
| 635 | dev->mii.reg_num_mask = 0xff; |
David Hollis | 48b1be6 | 2006-03-28 20:15:42 -0500 | [diff] [blame] | 636 | dev->net->do_ioctl = asix_ioctl; |
| 637 | dev->mii.phy_id = asix_get_phyid(dev); |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 638 | |
David Hollis | 48b1be6 | 2006-03-28 20:15:42 -0500 | [diff] [blame] | 639 | if ((ret = asix_sw_reset(dev, AX_SWRESET_PRL)) < 0) |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 640 | goto out2; |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 641 | |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 642 | msleep(150); |
| 643 | |
David Hollis | 48b1be6 | 2006-03-28 20:15:42 -0500 | [diff] [blame] | 644 | if ((ret = asix_sw_reset(dev, AX_SWRESET_IPRL | AX_SWRESET_PRL)) < 0) |
| 645 | goto out2; |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 646 | |
David Hollis | 48b1be6 | 2006-03-28 20:15:42 -0500 | [diff] [blame] | 647 | msleep(150); |
| 648 | |
| 649 | dev->net->set_multicast_list = asix_set_multicast; |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 650 | dev->net->ethtool_ops = &ax88772_ethtool_ops; |
| 651 | |
David Hollis | 48b1be6 | 2006-03-28 20:15:42 -0500 | [diff] [blame] | 652 | asix_mdio_write_le(dev->net, dev->mii.phy_id, MII_BMCR, BMCR_RESET); |
| 653 | asix_mdio_write_le(dev->net, dev->mii.phy_id, MII_ADVERTISE, |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 654 | ADVERTISE_ALL | ADVERTISE_CSMA); |
| 655 | mii_nway_restart(&dev->mii); |
| 656 | |
David Hollis | 48b1be6 | 2006-03-28 20:15:42 -0500 | [diff] [blame] | 657 | if ((ret = asix_write_cmd(dev, AX_CMD_WRITE_MEDIUM_MODE, |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 658 | AX88772_MEDIUM_DEFAULT, 0, 0, buf)) < 0) { |
| 659 | dbg("Write medium mode register: %d", ret); |
| 660 | goto out2; |
| 661 | } |
| 662 | |
David Hollis | 48b1be6 | 2006-03-28 20:15:42 -0500 | [diff] [blame] | 663 | if ((ret = asix_write_cmd(dev, AX_CMD_WRITE_IPG0, |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 664 | AX88772_IPG0_DEFAULT | AX88772_IPG1_DEFAULT, |
| 665 | AX88772_IPG2_DEFAULT, 0, buf)) < 0) { |
| 666 | dbg("Write IPG,IPG1,IPG2 failed: %d", ret); |
| 667 | goto out2; |
| 668 | } |
David Hollis | 48b1be6 | 2006-03-28 20:15:42 -0500 | [diff] [blame] | 669 | if ((ret = asix_set_hw_mii(dev)) < 0) |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 670 | goto out2; |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 671 | |
| 672 | /* Set RX_CTL to default values with 2k buffer, and enable cactus */ |
David Hollis | 48b1be6 | 2006-03-28 20:15:42 -0500 | [diff] [blame] | 673 | if ((ret = asix_write_rx_ctl(dev, 0x0088)) < 0) |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 674 | goto out2; |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 675 | |
| 676 | kfree(buf); |
| 677 | |
| 678 | /* Asix framing packs multiple eth frames into a 2K usb bulk transfer */ |
| 679 | if (dev->driver_info->flags & FLAG_FRAMING_AX) { |
| 680 | /* hard_mtu is still the default - the device does not support |
| 681 | jumbo eth frames */ |
| 682 | dev->rx_urb_size = 2048; |
| 683 | } |
| 684 | |
| 685 | return 0; |
| 686 | |
| 687 | out2: |
| 688 | kfree(buf); |
| 689 | out1: |
| 690 | return ret; |
| 691 | } |
| 692 | |
| 693 | static int ax88772_rx_fixup(struct usbnet *dev, struct sk_buff *skb) |
| 694 | { |
| 695 | u8 *head; |
| 696 | u32 header; |
| 697 | char *packet; |
| 698 | struct sk_buff *ax_skb; |
| 699 | u16 size; |
| 700 | |
| 701 | head = (u8 *) skb->data; |
| 702 | memcpy(&header, head, sizeof(header)); |
| 703 | le32_to_cpus(&header); |
| 704 | packet = head + sizeof(header); |
| 705 | |
| 706 | skb_pull(skb, 4); |
| 707 | |
| 708 | while (skb->len > 0) { |
| 709 | if ((short)(header & 0x0000ffff) != |
| 710 | ~((short)((header & 0xffff0000) >> 16))) { |
| 711 | devdbg(dev,"header length data is error"); |
| 712 | } |
| 713 | /* get the packet length */ |
| 714 | size = (u16) (header & 0x0000ffff); |
| 715 | |
| 716 | if ((skb->len) - ((size + 1) & 0xfffe) == 0) |
| 717 | return 2; |
| 718 | if (size > ETH_FRAME_LEN) { |
| 719 | devdbg(dev,"invalid rx length %d", size); |
| 720 | return 0; |
| 721 | } |
| 722 | ax_skb = skb_clone(skb, GFP_ATOMIC); |
| 723 | if (ax_skb) { |
| 724 | ax_skb->len = size; |
| 725 | ax_skb->data = packet; |
| 726 | ax_skb->tail = packet + size; |
| 727 | usbnet_skb_return(dev, ax_skb); |
| 728 | } else { |
| 729 | return 0; |
| 730 | } |
| 731 | |
| 732 | skb_pull(skb, (size + 1) & 0xfffe); |
| 733 | |
| 734 | if (skb->len == 0) |
| 735 | break; |
| 736 | |
| 737 | head = (u8 *) skb->data; |
| 738 | memcpy(&header, head, sizeof(header)); |
| 739 | le32_to_cpus(&header); |
| 740 | packet = head + sizeof(header); |
| 741 | skb_pull(skb, 4); |
| 742 | } |
| 743 | |
| 744 | if (skb->len < 0) { |
| 745 | devdbg(dev,"invalid rx length %d", skb->len); |
| 746 | return 0; |
| 747 | } |
| 748 | return 1; |
| 749 | } |
| 750 | |
| 751 | static struct sk_buff *ax88772_tx_fixup(struct usbnet *dev, struct sk_buff *skb, |
Al Viro | 55016f1 | 2005-10-21 03:21:58 -0400 | [diff] [blame] | 752 | gfp_t flags) |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 753 | { |
| 754 | int padlen; |
| 755 | int headroom = skb_headroom(skb); |
| 756 | int tailroom = skb_tailroom(skb); |
| 757 | u32 packet_len; |
| 758 | u32 padbytes = 0xffff0000; |
| 759 | |
| 760 | padlen = ((skb->len + 4) % 512) ? 0 : 4; |
| 761 | |
| 762 | if ((!skb_cloned(skb)) |
| 763 | && ((headroom + tailroom) >= (4 + padlen))) { |
| 764 | if ((headroom < 4) || (tailroom < padlen)) { |
| 765 | skb->data = memmove(skb->head + 4, skb->data, skb->len); |
| 766 | skb->tail = skb->data + skb->len; |
| 767 | } |
| 768 | } else { |
| 769 | struct sk_buff *skb2; |
| 770 | skb2 = skb_copy_expand(skb, 4, padlen, flags); |
| 771 | dev_kfree_skb_any(skb); |
| 772 | skb = skb2; |
| 773 | if (!skb) |
| 774 | return NULL; |
| 775 | } |
| 776 | |
| 777 | skb_push(skb, 4); |
| 778 | packet_len = (((skb->len - 4) ^ 0x0000ffff) << 16) + (skb->len - 4); |
| 779 | memcpy(skb->data, &packet_len, sizeof(packet_len)); |
| 780 | |
| 781 | if ((skb->len % 512) == 0) { |
| 782 | memcpy( skb->tail, &padbytes, sizeof(padbytes)); |
| 783 | skb_put(skb, sizeof(padbytes)); |
| 784 | } |
| 785 | return skb; |
| 786 | } |
| 787 | |
| 788 | static int ax88772_link_reset(struct usbnet *dev) |
| 789 | { |
| 790 | u16 lpa; |
| 791 | u16 adv; |
| 792 | u16 res; |
| 793 | u16 mode; |
| 794 | |
| 795 | mode = AX88772_MEDIUM_DEFAULT; |
David Hollis | 48b1be6 | 2006-03-28 20:15:42 -0500 | [diff] [blame] | 796 | lpa = asix_mdio_read_le(dev->net, dev->mii.phy_id, MII_LPA); |
| 797 | adv = asix_mdio_read_le(dev->net, dev->mii.phy_id, MII_ADVERTISE); |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 798 | res = mii_nway_result(lpa|adv); |
| 799 | |
| 800 | if ((res & LPA_DUPLEX) == 0) |
| 801 | mode &= ~AX88772_MEDIUM_FULL_DUPLEX; |
| 802 | if ((res & LPA_100) == 0) |
| 803 | mode &= ~AX88772_MEDIUM_100MB; |
David Hollis | 48b1be6 | 2006-03-28 20:15:42 -0500 | [diff] [blame] | 804 | asix_write_cmd(dev, AX_CMD_WRITE_MEDIUM_MODE, mode, 0, 0, NULL); |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 805 | |
| 806 | return 0; |
| 807 | } |
| 808 | |
| 809 | static const struct driver_info ax8817x_info = { |
| 810 | .description = "ASIX AX8817x USB 2.0 Ethernet", |
David Hollis | 48b1be6 | 2006-03-28 20:15:42 -0500 | [diff] [blame] | 811 | .bind = ax88172_bind, |
| 812 | .status = asix_status, |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 813 | .link_reset = ax88172_link_reset, |
| 814 | .reset = ax88172_link_reset, |
| 815 | .flags = FLAG_ETHER, |
| 816 | .data = 0x00130103, |
| 817 | }; |
| 818 | |
| 819 | static const struct driver_info dlink_dub_e100_info = { |
| 820 | .description = "DLink DUB-E100 USB Ethernet", |
David Hollis | 48b1be6 | 2006-03-28 20:15:42 -0500 | [diff] [blame] | 821 | .bind = ax88172_bind, |
| 822 | .status = asix_status, |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 823 | .link_reset = ax88172_link_reset, |
| 824 | .reset = ax88172_link_reset, |
| 825 | .flags = FLAG_ETHER, |
| 826 | .data = 0x009f9d9f, |
| 827 | }; |
| 828 | |
| 829 | static const struct driver_info netgear_fa120_info = { |
| 830 | .description = "Netgear FA-120 USB Ethernet", |
David Hollis | 48b1be6 | 2006-03-28 20:15:42 -0500 | [diff] [blame] | 831 | .bind = ax88172_bind, |
| 832 | .status = asix_status, |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 833 | .link_reset = ax88172_link_reset, |
| 834 | .reset = ax88172_link_reset, |
| 835 | .flags = FLAG_ETHER, |
| 836 | .data = 0x00130103, |
| 837 | }; |
| 838 | |
| 839 | static const struct driver_info hawking_uf200_info = { |
| 840 | .description = "Hawking UF200 USB Ethernet", |
David Hollis | 48b1be6 | 2006-03-28 20:15:42 -0500 | [diff] [blame] | 841 | .bind = ax88172_bind, |
| 842 | .status = asix_status, |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 843 | .link_reset = ax88172_link_reset, |
| 844 | .reset = ax88172_link_reset, |
| 845 | .flags = FLAG_ETHER, |
| 846 | .data = 0x001f1d1f, |
| 847 | }; |
| 848 | |
| 849 | static const struct driver_info ax88772_info = { |
| 850 | .description = "ASIX AX88772 USB 2.0 Ethernet", |
| 851 | .bind = ax88772_bind, |
David Hollis | 48b1be6 | 2006-03-28 20:15:42 -0500 | [diff] [blame] | 852 | .status = asix_status, |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 853 | .link_reset = ax88772_link_reset, |
| 854 | .reset = ax88772_link_reset, |
| 855 | .flags = FLAG_ETHER | FLAG_FRAMING_AX, |
| 856 | .rx_fixup = ax88772_rx_fixup, |
| 857 | .tx_fixup = ax88772_tx_fixup, |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 858 | }; |
| 859 | |
| 860 | static const struct usb_device_id products [] = { |
| 861 | { |
| 862 | // Linksys USB200M |
| 863 | USB_DEVICE (0x077b, 0x2226), |
| 864 | .driver_info = (unsigned long) &ax8817x_info, |
| 865 | }, { |
| 866 | // Netgear FA120 |
| 867 | USB_DEVICE (0x0846, 0x1040), |
| 868 | .driver_info = (unsigned long) &netgear_fa120_info, |
| 869 | }, { |
| 870 | // DLink DUB-E100 |
| 871 | USB_DEVICE (0x2001, 0x1a00), |
| 872 | .driver_info = (unsigned long) &dlink_dub_e100_info, |
| 873 | }, { |
| 874 | // Intellinet, ST Lab USB Ethernet |
| 875 | USB_DEVICE (0x0b95, 0x1720), |
| 876 | .driver_info = (unsigned long) &ax8817x_info, |
| 877 | }, { |
| 878 | // Hawking UF200, TrendNet TU2-ET100 |
| 879 | USB_DEVICE (0x07b8, 0x420a), |
| 880 | .driver_info = (unsigned long) &hawking_uf200_info, |
| 881 | }, { |
| 882 | // Billionton Systems, USB2AR |
| 883 | USB_DEVICE (0x08dd, 0x90ff), |
| 884 | .driver_info = (unsigned long) &ax8817x_info, |
| 885 | }, { |
| 886 | // ATEN UC210T |
| 887 | USB_DEVICE (0x0557, 0x2009), |
| 888 | .driver_info = (unsigned long) &ax8817x_info, |
| 889 | }, { |
| 890 | // Buffalo LUA-U2-KTX |
| 891 | USB_DEVICE (0x0411, 0x003d), |
| 892 | .driver_info = (unsigned long) &ax8817x_info, |
| 893 | }, { |
| 894 | // Sitecom LN-029 "USB 2.0 10/100 Ethernet adapter" |
| 895 | USB_DEVICE (0x6189, 0x182d), |
| 896 | .driver_info = (unsigned long) &ax8817x_info, |
| 897 | }, { |
| 898 | // corega FEther USB2-TX |
| 899 | USB_DEVICE (0x07aa, 0x0017), |
| 900 | .driver_info = (unsigned long) &ax8817x_info, |
| 901 | }, { |
| 902 | // Surecom EP-1427X-2 |
| 903 | USB_DEVICE (0x1189, 0x0893), |
| 904 | .driver_info = (unsigned long) &ax8817x_info, |
| 905 | }, { |
| 906 | // goodway corp usb gwusb2e |
| 907 | USB_DEVICE (0x1631, 0x6200), |
| 908 | .driver_info = (unsigned long) &ax8817x_info, |
| 909 | }, { |
| 910 | // ASIX AX88772 10/100 |
| 911 | USB_DEVICE (0x0b95, 0x7720), |
| 912 | .driver_info = (unsigned long) &ax88772_info, |
David Hollis | 5e0f76c | 2005-12-19 13:58:38 -0500 | [diff] [blame] | 913 | }, { |
Eduard Warkentin | 7327413 | 2006-05-18 01:13:17 -0700 | [diff] [blame] | 914 | // ASIX AX88178 10/100/1000 |
| 915 | USB_DEVICE (0x0b95, 0x1780), |
| 916 | .driver_info = (unsigned long) &ax88772_info, |
| 917 | }, { |
David Hollis | 5e0f76c | 2005-12-19 13:58:38 -0500 | [diff] [blame] | 918 | // Linksys USB200M Rev 2 |
| 919 | USB_DEVICE (0x13b1, 0x0018), |
| 920 | .driver_info = (unsigned long) &ax88772_info, |
David Hollis | 5732ce8 | 2006-01-05 14:39:49 -0500 | [diff] [blame] | 921 | }, { |
| 922 | // 0Q0 cable ethernet |
| 923 | USB_DEVICE (0x1557, 0x7720), |
| 924 | .driver_info = (unsigned long) &ax88772_info, |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 925 | }, |
| 926 | { }, // END |
| 927 | }; |
| 928 | MODULE_DEVICE_TABLE(usb, products); |
| 929 | |
| 930 | static struct usb_driver asix_driver = { |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 931 | .name = "asix", |
| 932 | .id_table = products, |
| 933 | .probe = usbnet_probe, |
| 934 | .suspend = usbnet_suspend, |
| 935 | .resume = usbnet_resume, |
| 936 | .disconnect = usbnet_disconnect, |
| 937 | }; |
| 938 | |
| 939 | static int __init asix_init(void) |
| 940 | { |
| 941 | return usb_register(&asix_driver); |
| 942 | } |
| 943 | module_init(asix_init); |
| 944 | |
| 945 | static void __exit asix_exit(void) |
| 946 | { |
| 947 | usb_deregister(&asix_driver); |
| 948 | } |
| 949 | module_exit(asix_exit); |
| 950 | |
| 951 | MODULE_AUTHOR("David Hollis"); |
| 952 | MODULE_DESCRIPTION("ASIX AX8817X based USB 2.0 Ethernet Devices"); |
| 953 | MODULE_LICENSE("GPL"); |
| 954 | |