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1905 lines
45 KiB
1905 lines
45 KiB
// SPDX-License-Identifier: GPL-2.0-only |
|
/* |
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* Driver for ZyDAS zd1201 based wireless USB devices. |
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* |
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* Copyright (c) 2004, 2005 Jeroen Vreeken ([email protected]) |
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* |
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* Parts of this driver have been derived from a wlan-ng version |
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* modified by ZyDAS. They also made documentation available, thanks! |
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* Copyright (C) 1999 AbsoluteValue Systems, Inc. All Rights Reserved. |
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*/ |
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|
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#include <linux/module.h> |
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#include <linux/usb.h> |
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#include <linux/slab.h> |
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#include <linux/netdevice.h> |
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#include <linux/etherdevice.h> |
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#include <linux/wireless.h> |
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#include <net/cfg80211.h> |
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#include <net/iw_handler.h> |
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#include <linux/string.h> |
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#include <linux/if_arp.h> |
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#include <linux/firmware.h> |
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#include "zd1201.h" |
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|
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static const struct usb_device_id zd1201_table[] = { |
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{USB_DEVICE(0x0586, 0x3400)}, /* Peabird Wireless USB Adapter */ |
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{USB_DEVICE(0x0ace, 0x1201)}, /* ZyDAS ZD1201 Wireless USB Adapter */ |
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{USB_DEVICE(0x050d, 0x6051)}, /* Belkin F5D6051 usb adapter */ |
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{USB_DEVICE(0x0db0, 0x6823)}, /* MSI UB11B usb adapter */ |
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{USB_DEVICE(0x1044, 0x8004)}, /* Gigabyte GN-WLBZ101 */ |
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{USB_DEVICE(0x1044, 0x8005)}, /* GIGABYTE GN-WLBZ201 usb adapter */ |
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{} |
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}; |
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|
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static int ap; /* Are we an AP or a normal station? */ |
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|
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#define ZD1201_VERSION "0.15" |
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|
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MODULE_AUTHOR("Jeroen Vreeken <[email protected]>"); |
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MODULE_DESCRIPTION("Driver for ZyDAS ZD1201 based USB Wireless adapters"); |
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MODULE_VERSION(ZD1201_VERSION); |
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MODULE_LICENSE("GPL"); |
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module_param(ap, int, 0); |
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MODULE_PARM_DESC(ap, "If non-zero Access Point firmware will be loaded"); |
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MODULE_DEVICE_TABLE(usb, zd1201_table); |
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|
|
|
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static int zd1201_fw_upload(struct usb_device *dev, int apfw) |
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{ |
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const struct firmware *fw_entry; |
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const char *data; |
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unsigned long len; |
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int err; |
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unsigned char ret; |
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char *buf; |
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char *fwfile; |
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|
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if (apfw) |
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fwfile = "zd1201-ap.fw"; |
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else |
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fwfile = "zd1201.fw"; |
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|
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err = request_firmware(&fw_entry, fwfile, &dev->dev); |
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if (err) { |
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dev_err(&dev->dev, "Failed to load %s firmware file!\n", fwfile); |
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dev_err(&dev->dev, "Make sure the hotplug firmware loader is installed.\n"); |
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dev_err(&dev->dev, "Goto http://linux-lc100020.sourceforge.net for more info.\n"); |
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return err; |
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} |
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|
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data = fw_entry->data; |
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len = fw_entry->size; |
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|
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buf = kmalloc(1024, GFP_ATOMIC); |
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if (!buf) { |
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err = -ENOMEM; |
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goto exit; |
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} |
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|
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while (len > 0) { |
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int translen = (len > 1024) ? 1024 : len; |
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memcpy(buf, data, translen); |
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|
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err = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), 0, |
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USB_DIR_OUT | 0x40, 0, 0, buf, translen, |
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ZD1201_FW_TIMEOUT); |
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if (err < 0) |
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goto exit; |
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|
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len -= translen; |
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data += translen; |
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} |
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|
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err = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), 0x2, |
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USB_DIR_OUT | 0x40, 0, 0, NULL, 0, ZD1201_FW_TIMEOUT); |
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if (err < 0) |
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goto exit; |
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|
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err = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), 0x4, |
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USB_DIR_IN | 0x40, 0, 0, buf, sizeof(ret), ZD1201_FW_TIMEOUT); |
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if (err < 0) |
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goto exit; |
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|
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memcpy(&ret, buf, sizeof(ret)); |
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|
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if (ret & 0x80) { |
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err = -EIO; |
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goto exit; |
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} |
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|
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err = 0; |
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exit: |
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kfree(buf); |
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release_firmware(fw_entry); |
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return err; |
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} |
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|
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MODULE_FIRMWARE("zd1201-ap.fw"); |
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MODULE_FIRMWARE("zd1201.fw"); |
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static void zd1201_usbfree(struct urb *urb) |
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{ |
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struct zd1201 *zd = urb->context; |
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|
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switch(urb->status) { |
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case -EILSEQ: |
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case -ENODEV: |
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case -ETIME: |
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case -ENOENT: |
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case -EPIPE: |
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case -EOVERFLOW: |
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case -ESHUTDOWN: |
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dev_warn(&zd->usb->dev, "%s: urb failed: %d\n", |
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zd->dev->name, urb->status); |
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} |
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|
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kfree(urb->transfer_buffer); |
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usb_free_urb(urb); |
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} |
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|
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/* cmdreq message: |
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u32 type |
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u16 cmd |
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u16 parm0 |
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u16 parm1 |
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u16 parm2 |
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u8 pad[4] |
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|
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total: 4 + 2 + 2 + 2 + 2 + 4 = 16 |
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*/ |
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static int zd1201_docmd(struct zd1201 *zd, int cmd, int parm0, |
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int parm1, int parm2) |
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{ |
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unsigned char *command; |
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int ret; |
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struct urb *urb; |
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|
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command = kmalloc(16, GFP_ATOMIC); |
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if (!command) |
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return -ENOMEM; |
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|
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*((__le32*)command) = cpu_to_le32(ZD1201_USB_CMDREQ); |
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*((__le16*)&command[4]) = cpu_to_le16(cmd); |
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*((__le16*)&command[6]) = cpu_to_le16(parm0); |
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*((__le16*)&command[8]) = cpu_to_le16(parm1); |
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*((__le16*)&command[10])= cpu_to_le16(parm2); |
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|
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urb = usb_alloc_urb(0, GFP_ATOMIC); |
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if (!urb) { |
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kfree(command); |
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return -ENOMEM; |
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} |
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usb_fill_bulk_urb(urb, zd->usb, usb_sndbulkpipe(zd->usb, zd->endp_out2), |
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command, 16, zd1201_usbfree, zd); |
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ret = usb_submit_urb(urb, GFP_ATOMIC); |
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if (ret) { |
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kfree(command); |
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usb_free_urb(urb); |
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} |
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|
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return ret; |
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} |
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|
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/* Callback after sending out a packet */ |
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static void zd1201_usbtx(struct urb *urb) |
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{ |
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struct zd1201 *zd = urb->context; |
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netif_wake_queue(zd->dev); |
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} |
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|
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/* Incoming data */ |
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static void zd1201_usbrx(struct urb *urb) |
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{ |
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struct zd1201 *zd = urb->context; |
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int free = 0; |
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unsigned char *data = urb->transfer_buffer; |
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struct sk_buff *skb; |
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unsigned char type; |
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|
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if (!zd) |
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return; |
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|
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switch(urb->status) { |
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case -EILSEQ: |
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case -ENODEV: |
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case -ETIME: |
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case -ENOENT: |
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case -EPIPE: |
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case -EOVERFLOW: |
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case -ESHUTDOWN: |
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dev_warn(&zd->usb->dev, "%s: rx urb failed: %d\n", |
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zd->dev->name, urb->status); |
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free = 1; |
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goto exit; |
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} |
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|
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if (urb->status != 0 || urb->actual_length == 0) |
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goto resubmit; |
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|
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type = data[0]; |
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if (type == ZD1201_PACKET_EVENTSTAT || type == ZD1201_PACKET_RESOURCE) { |
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memcpy(zd->rxdata, data, urb->actual_length); |
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zd->rxlen = urb->actual_length; |
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zd->rxdatas = 1; |
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wake_up(&zd->rxdataq); |
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} |
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/* Info frame */ |
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if (type == ZD1201_PACKET_INQUIRE) { |
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int i = 0; |
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unsigned short infotype, copylen; |
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infotype = le16_to_cpu(*(__le16*)&data[6]); |
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|
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if (infotype == ZD1201_INF_LINKSTATUS) { |
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short linkstatus; |
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|
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linkstatus = le16_to_cpu(*(__le16*)&data[8]); |
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switch(linkstatus) { |
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case 1: |
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netif_carrier_on(zd->dev); |
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break; |
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case 2: |
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netif_carrier_off(zd->dev); |
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break; |
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case 3: |
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netif_carrier_off(zd->dev); |
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break; |
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case 4: |
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netif_carrier_on(zd->dev); |
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break; |
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default: |
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netif_carrier_off(zd->dev); |
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} |
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goto resubmit; |
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} |
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if (infotype == ZD1201_INF_ASSOCSTATUS) { |
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short status = le16_to_cpu(*(__le16*)(data+8)); |
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int event; |
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union iwreq_data wrqu; |
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|
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switch (status) { |
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case ZD1201_ASSOCSTATUS_STAASSOC: |
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case ZD1201_ASSOCSTATUS_REASSOC: |
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event = IWEVREGISTERED; |
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break; |
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case ZD1201_ASSOCSTATUS_DISASSOC: |
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case ZD1201_ASSOCSTATUS_ASSOCFAIL: |
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case ZD1201_ASSOCSTATUS_AUTHFAIL: |
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default: |
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event = IWEVEXPIRED; |
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} |
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memcpy(wrqu.addr.sa_data, data+10, ETH_ALEN); |
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wrqu.addr.sa_family = ARPHRD_ETHER; |
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|
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/* Send event to user space */ |
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wireless_send_event(zd->dev, event, &wrqu, NULL); |
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|
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goto resubmit; |
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} |
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if (infotype == ZD1201_INF_AUTHREQ) { |
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union iwreq_data wrqu; |
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|
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memcpy(wrqu.addr.sa_data, data+8, ETH_ALEN); |
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wrqu.addr.sa_family = ARPHRD_ETHER; |
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/* There isn't a event that trully fits this request. |
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We assume that userspace will be smart enough to |
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see a new station being expired and sends back a |
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authstation ioctl to authorize it. */ |
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wireless_send_event(zd->dev, IWEVEXPIRED, &wrqu, NULL); |
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goto resubmit; |
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} |
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/* Other infotypes are handled outside this handler */ |
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zd->rxlen = 0; |
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while (i < urb->actual_length) { |
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copylen = le16_to_cpu(*(__le16*)&data[i+2]); |
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/* Sanity check, sometimes we get junk */ |
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if (copylen+zd->rxlen > sizeof(zd->rxdata)) |
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break; |
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memcpy(zd->rxdata+zd->rxlen, data+i+4, copylen); |
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zd->rxlen += copylen; |
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i += 64; |
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} |
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if (i >= urb->actual_length) { |
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zd->rxdatas = 1; |
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wake_up(&zd->rxdataq); |
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} |
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goto resubmit; |
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} |
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/* Actual data */ |
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if (data[urb->actual_length-1] == ZD1201_PACKET_RXDATA) { |
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int datalen = urb->actual_length-1; |
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unsigned short len, fc, seq; |
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|
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len = ntohs(*(__be16 *)&data[datalen-2]); |
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if (len>datalen) |
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len=datalen; |
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fc = le16_to_cpu(*(__le16 *)&data[datalen-16]); |
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seq = le16_to_cpu(*(__le16 *)&data[datalen-24]); |
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|
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if (zd->monitor) { |
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if (datalen < 24) |
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goto resubmit; |
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if (!(skb = dev_alloc_skb(datalen+24))) |
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goto resubmit; |
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skb_put_data(skb, &data[datalen - 16], 2); |
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skb_put_data(skb, &data[datalen - 2], 2); |
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skb_put_data(skb, &data[datalen - 14], 6); |
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skb_put_data(skb, &data[datalen - 22], 6); |
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skb_put_data(skb, &data[datalen - 8], 6); |
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skb_put_data(skb, &data[datalen - 24], 2); |
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skb_put_data(skb, data, len); |
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skb->protocol = eth_type_trans(skb, zd->dev); |
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zd->dev->stats.rx_packets++; |
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zd->dev->stats.rx_bytes += skb->len; |
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netif_rx(skb); |
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goto resubmit; |
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} |
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|
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if ((seq & IEEE80211_SCTL_FRAG) || |
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(fc & IEEE80211_FCTL_MOREFRAGS)) { |
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struct zd1201_frag *frag = NULL; |
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char *ptr; |
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|
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if (datalen<14) |
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goto resubmit; |
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if ((seq & IEEE80211_SCTL_FRAG) == 0) { |
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frag = kmalloc(sizeof(*frag), GFP_ATOMIC); |
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if (!frag) |
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goto resubmit; |
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skb = dev_alloc_skb(IEEE80211_MAX_DATA_LEN +14+2); |
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if (!skb) { |
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kfree(frag); |
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goto resubmit; |
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} |
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frag->skb = skb; |
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frag->seq = seq & IEEE80211_SCTL_SEQ; |
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skb_reserve(skb, 2); |
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skb_put_data(skb, &data[datalen - 14], 12); |
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skb_put_data(skb, &data[6], 2); |
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skb_put_data(skb, data + 8, len); |
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hlist_add_head(&frag->fnode, &zd->fraglist); |
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goto resubmit; |
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} |
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hlist_for_each_entry(frag, &zd->fraglist, fnode) |
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if (frag->seq == (seq&IEEE80211_SCTL_SEQ)) |
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break; |
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if (!frag) |
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goto resubmit; |
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skb = frag->skb; |
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ptr = skb_put(skb, len); |
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if (ptr) |
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memcpy(ptr, data+8, len); |
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if (fc & IEEE80211_FCTL_MOREFRAGS) |
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goto resubmit; |
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hlist_del_init(&frag->fnode); |
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kfree(frag); |
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} else { |
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if (datalen<14) |
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goto resubmit; |
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skb = dev_alloc_skb(len + 14 + 2); |
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if (!skb) |
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goto resubmit; |
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skb_reserve(skb, 2); |
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skb_put_data(skb, &data[datalen - 14], 12); |
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skb_put_data(skb, &data[6], 2); |
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skb_put_data(skb, data + 8, len); |
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} |
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skb->protocol = eth_type_trans(skb, zd->dev); |
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zd->dev->stats.rx_packets++; |
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zd->dev->stats.rx_bytes += skb->len; |
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netif_rx(skb); |
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} |
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resubmit: |
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memset(data, 0, ZD1201_RXSIZE); |
|
|
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urb->status = 0; |
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urb->dev = zd->usb; |
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if(usb_submit_urb(urb, GFP_ATOMIC)) |
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free = 1; |
|
|
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exit: |
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if (free) { |
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zd->rxlen = 0; |
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zd->rxdatas = 1; |
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wake_up(&zd->rxdataq); |
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kfree(urb->transfer_buffer); |
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} |
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} |
|
|
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static int zd1201_getconfig(struct zd1201 *zd, int rid, void *riddata, |
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unsigned int riddatalen) |
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{ |
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int err; |
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int i = 0; |
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int code; |
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int rid_fid; |
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int length; |
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unsigned char *pdata; |
|
|
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zd->rxdatas = 0; |
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err = zd1201_docmd(zd, ZD1201_CMDCODE_ACCESS, rid, 0, 0); |
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if (err) |
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return err; |
|
|
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wait_event_interruptible(zd->rxdataq, zd->rxdatas); |
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if (!zd->rxlen) |
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return -EIO; |
|
|
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code = le16_to_cpu(*(__le16*)(&zd->rxdata[4])); |
|
rid_fid = le16_to_cpu(*(__le16*)(&zd->rxdata[6])); |
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length = le16_to_cpu(*(__le16*)(&zd->rxdata[8])); |
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if (length > zd->rxlen) |
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length = zd->rxlen-6; |
|
|
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/* If access bit is not on, then error */ |
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if ((code & ZD1201_ACCESSBIT) != ZD1201_ACCESSBIT || rid_fid != rid ) |
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return -EINVAL; |
|
|
|
/* Not enough buffer for allocating data */ |
|
if (riddatalen != (length - 4)) { |
|
dev_dbg(&zd->usb->dev, "riddatalen mismatches, expected=%u, (packet=%u) length=%u, rid=0x%04X, rid_fid=0x%04X\n", |
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riddatalen, zd->rxlen, length, rid, rid_fid); |
|
return -ENODATA; |
|
} |
|
|
|
zd->rxdatas = 0; |
|
/* Issue SetRxRid commnd */ |
|
err = zd1201_docmd(zd, ZD1201_CMDCODE_SETRXRID, rid, 0, length); |
|
if (err) |
|
return err; |
|
|
|
/* Receive RID record from resource packets */ |
|
wait_event_interruptible(zd->rxdataq, zd->rxdatas); |
|
if (!zd->rxlen) |
|
return -EIO; |
|
|
|
if (zd->rxdata[zd->rxlen - 1] != ZD1201_PACKET_RESOURCE) { |
|
dev_dbg(&zd->usb->dev, "Packet type mismatch: 0x%x not 0x3\n", |
|
zd->rxdata[zd->rxlen-1]); |
|
return -EINVAL; |
|
} |
|
|
|
/* Set the data pointer and received data length */ |
|
pdata = zd->rxdata; |
|
length = zd->rxlen; |
|
|
|
do { |
|
int actual_length; |
|
|
|
actual_length = (length > 64) ? 64 : length; |
|
|
|
if (pdata[0] != 0x3) { |
|
dev_dbg(&zd->usb->dev, "Rx Resource packet type error: %02X\n", |
|
pdata[0]); |
|
return -EINVAL; |
|
} |
|
|
|
if (actual_length != 64) { |
|
/* Trim the last packet type byte */ |
|
actual_length--; |
|
} |
|
|
|
/* Skip the 4 bytes header (RID length and RID) */ |
|
if (i == 0) { |
|
pdata += 8; |
|
actual_length -= 8; |
|
} else { |
|
pdata += 4; |
|
actual_length -= 4; |
|
} |
|
|
|
memcpy(riddata, pdata, actual_length); |
|
riddata += actual_length; |
|
pdata += actual_length; |
|
length -= 64; |
|
i++; |
|
} while (length > 0); |
|
|
|
return 0; |
|
} |
|
|
|
/* |
|
* resreq: |
|
* byte type |
|
* byte sequence |
|
* u16 reserved |
|
* byte data[12] |
|
* total: 16 |
|
*/ |
|
static int zd1201_setconfig(struct zd1201 *zd, int rid, void *buf, int len, int wait) |
|
{ |
|
int err; |
|
unsigned char *request; |
|
int reqlen; |
|
char seq=0; |
|
struct urb *urb; |
|
gfp_t gfp_mask = wait ? GFP_NOIO : GFP_ATOMIC; |
|
|
|
len += 4; /* first 4 are for header */ |
|
|
|
zd->rxdatas = 0; |
|
zd->rxlen = 0; |
|
for (seq=0; len > 0; seq++) { |
|
request = kmalloc(16, gfp_mask); |
|
if (!request) |
|
return -ENOMEM; |
|
urb = usb_alloc_urb(0, gfp_mask); |
|
if (!urb) { |
|
kfree(request); |
|
return -ENOMEM; |
|
} |
|
memset(request, 0, 16); |
|
reqlen = len>12 ? 12 : len; |
|
request[0] = ZD1201_USB_RESREQ; |
|
request[1] = seq; |
|
request[2] = 0; |
|
request[3] = 0; |
|
if (request[1] == 0) { |
|
/* add header */ |
|
*(__le16*)&request[4] = cpu_to_le16((len-2+1)/2); |
|
*(__le16*)&request[6] = cpu_to_le16(rid); |
|
memcpy(request+8, buf, reqlen-4); |
|
buf += reqlen-4; |
|
} else { |
|
memcpy(request+4, buf, reqlen); |
|
buf += reqlen; |
|
} |
|
|
|
len -= reqlen; |
|
|
|
usb_fill_bulk_urb(urb, zd->usb, usb_sndbulkpipe(zd->usb, |
|
zd->endp_out2), request, 16, zd1201_usbfree, zd); |
|
err = usb_submit_urb(urb, gfp_mask); |
|
if (err) |
|
goto err; |
|
} |
|
|
|
request = kmalloc(16, gfp_mask); |
|
if (!request) |
|
return -ENOMEM; |
|
urb = usb_alloc_urb(0, gfp_mask); |
|
if (!urb) { |
|
kfree(request); |
|
return -ENOMEM; |
|
} |
|
*((__le32*)request) = cpu_to_le32(ZD1201_USB_CMDREQ); |
|
*((__le16*)&request[4]) = |
|
cpu_to_le16(ZD1201_CMDCODE_ACCESS|ZD1201_ACCESSBIT); |
|
*((__le16*)&request[6]) = cpu_to_le16(rid); |
|
*((__le16*)&request[8]) = cpu_to_le16(0); |
|
*((__le16*)&request[10]) = cpu_to_le16(0); |
|
usb_fill_bulk_urb(urb, zd->usb, usb_sndbulkpipe(zd->usb, zd->endp_out2), |
|
request, 16, zd1201_usbfree, zd); |
|
err = usb_submit_urb(urb, gfp_mask); |
|
if (err) |
|
goto err; |
|
|
|
if (wait) { |
|
wait_event_interruptible(zd->rxdataq, zd->rxdatas); |
|
if (!zd->rxlen || le16_to_cpu(*(__le16*)&zd->rxdata[6]) != rid) { |
|
dev_dbg(&zd->usb->dev, "wrong or no RID received\n"); |
|
} |
|
} |
|
|
|
return 0; |
|
err: |
|
kfree(request); |
|
usb_free_urb(urb); |
|
return err; |
|
} |
|
|
|
static inline int zd1201_getconfig16(struct zd1201 *zd, int rid, short *val) |
|
{ |
|
int err; |
|
__le16 zdval; |
|
|
|
err = zd1201_getconfig(zd, rid, &zdval, sizeof(__le16)); |
|
if (err) |
|
return err; |
|
*val = le16_to_cpu(zdval); |
|
return 0; |
|
} |
|
|
|
static inline int zd1201_setconfig16(struct zd1201 *zd, int rid, short val) |
|
{ |
|
__le16 zdval = cpu_to_le16(val); |
|
return (zd1201_setconfig(zd, rid, &zdval, sizeof(__le16), 1)); |
|
} |
|
|
|
static int zd1201_drvr_start(struct zd1201 *zd) |
|
{ |
|
int err, i; |
|
short max; |
|
__le16 zdmax; |
|
unsigned char *buffer; |
|
|
|
buffer = kzalloc(ZD1201_RXSIZE, GFP_KERNEL); |
|
if (!buffer) |
|
return -ENOMEM; |
|
|
|
usb_fill_bulk_urb(zd->rx_urb, zd->usb, |
|
usb_rcvbulkpipe(zd->usb, zd->endp_in), buffer, ZD1201_RXSIZE, |
|
zd1201_usbrx, zd); |
|
|
|
err = usb_submit_urb(zd->rx_urb, GFP_KERNEL); |
|
if (err) |
|
goto err_buffer; |
|
|
|
err = zd1201_docmd(zd, ZD1201_CMDCODE_INIT, 0, 0, 0); |
|
if (err) |
|
goto err_urb; |
|
|
|
err = zd1201_getconfig(zd, ZD1201_RID_CNFMAXTXBUFFERNUMBER, &zdmax, |
|
sizeof(__le16)); |
|
if (err) |
|
goto err_urb; |
|
|
|
max = le16_to_cpu(zdmax); |
|
for (i=0; i<max; i++) { |
|
err = zd1201_docmd(zd, ZD1201_CMDCODE_ALLOC, 1514, 0, 0); |
|
if (err) |
|
goto err_urb; |
|
} |
|
|
|
return 0; |
|
|
|
err_urb: |
|
usb_kill_urb(zd->rx_urb); |
|
return err; |
|
err_buffer: |
|
kfree(buffer); |
|
return err; |
|
} |
|
|
|
/* Magic alert: The firmware doesn't seem to like the MAC state being |
|
* toggled in promisc (aka monitor) mode. |
|
* (It works a number of times, but will halt eventually) |
|
* So we turn it of before disabling and on after enabling if needed. |
|
*/ |
|
static int zd1201_enable(struct zd1201 *zd) |
|
{ |
|
int err; |
|
|
|
if (zd->mac_enabled) |
|
return 0; |
|
|
|
err = zd1201_docmd(zd, ZD1201_CMDCODE_ENABLE, 0, 0, 0); |
|
if (!err) |
|
zd->mac_enabled = 1; |
|
|
|
if (zd->monitor) |
|
err = zd1201_setconfig16(zd, ZD1201_RID_PROMISCUOUSMODE, 1); |
|
|
|
return err; |
|
} |
|
|
|
static int zd1201_disable(struct zd1201 *zd) |
|
{ |
|
int err; |
|
|
|
if (!zd->mac_enabled) |
|
return 0; |
|
if (zd->monitor) { |
|
err = zd1201_setconfig16(zd, ZD1201_RID_PROMISCUOUSMODE, 0); |
|
if (err) |
|
return err; |
|
} |
|
|
|
err = zd1201_docmd(zd, ZD1201_CMDCODE_DISABLE, 0, 0, 0); |
|
if (!err) |
|
zd->mac_enabled = 0; |
|
return err; |
|
} |
|
|
|
static int zd1201_mac_reset(struct zd1201 *zd) |
|
{ |
|
if (!zd->mac_enabled) |
|
return 0; |
|
zd1201_disable(zd); |
|
return zd1201_enable(zd); |
|
} |
|
|
|
static int zd1201_join(struct zd1201 *zd, char *essid, int essidlen) |
|
{ |
|
int err, val; |
|
char buf[IW_ESSID_MAX_SIZE+2]; |
|
|
|
err = zd1201_disable(zd); |
|
if (err) |
|
return err; |
|
|
|
val = ZD1201_CNFAUTHENTICATION_OPENSYSTEM; |
|
val |= ZD1201_CNFAUTHENTICATION_SHAREDKEY; |
|
err = zd1201_setconfig16(zd, ZD1201_RID_CNFAUTHENTICATION, val); |
|
if (err) |
|
return err; |
|
|
|
*(__le16 *)buf = cpu_to_le16(essidlen); |
|
memcpy(buf+2, essid, essidlen); |
|
if (!zd->ap) { /* Normal station */ |
|
err = zd1201_setconfig(zd, ZD1201_RID_CNFDESIREDSSID, buf, |
|
IW_ESSID_MAX_SIZE+2, 1); |
|
if (err) |
|
return err; |
|
} else { /* AP */ |
|
err = zd1201_setconfig(zd, ZD1201_RID_CNFOWNSSID, buf, |
|
IW_ESSID_MAX_SIZE+2, 1); |
|
if (err) |
|
return err; |
|
} |
|
|
|
err = zd1201_setconfig(zd, ZD1201_RID_CNFOWNMACADDR, |
|
zd->dev->dev_addr, zd->dev->addr_len, 1); |
|
if (err) |
|
return err; |
|
|
|
err = zd1201_enable(zd); |
|
if (err) |
|
return err; |
|
|
|
msleep(100); |
|
return 0; |
|
} |
|
|
|
static int zd1201_net_open(struct net_device *dev) |
|
{ |
|
struct zd1201 *zd = netdev_priv(dev); |
|
|
|
/* Start MAC with wildcard if no essid set */ |
|
if (!zd->mac_enabled) |
|
zd1201_join(zd, zd->essid, zd->essidlen); |
|
netif_start_queue(dev); |
|
|
|
return 0; |
|
} |
|
|
|
static int zd1201_net_stop(struct net_device *dev) |
|
{ |
|
netif_stop_queue(dev); |
|
return 0; |
|
} |
|
|
|
/* |
|
RFC 1042 encapsulates Ethernet frames in 802.11 frames |
|
by prefixing them with 0xaa, 0xaa, 0x03) followed by a SNAP OID of 0 |
|
(0x00, 0x00, 0x00). Zd requires an additional padding, copy |
|
of ethernet addresses, length of the standard RFC 1042 packet |
|
and a command byte (which is nul for tx). |
|
|
|
tx frame (from Wlan NG): |
|
RFC 1042: |
|
llc 0xAA 0xAA 0x03 (802.2 LLC) |
|
snap 0x00 0x00 0x00 (Ethernet encapsulated) |
|
type 2 bytes, Ethernet type field |
|
payload (minus eth header) |
|
Zydas specific: |
|
padding 1B if (skb->len+8+1)%64==0 |
|
Eth MAC addr 12 bytes, Ethernet MAC addresses |
|
length 2 bytes, RFC 1042 packet length |
|
(llc+snap+type+payload) |
|
zd 1 null byte, zd1201 packet type |
|
*/ |
|
static netdev_tx_t zd1201_hard_start_xmit(struct sk_buff *skb, |
|
struct net_device *dev) |
|
{ |
|
struct zd1201 *zd = netdev_priv(dev); |
|
unsigned char *txbuf = zd->txdata; |
|
int txbuflen, pad = 0, err; |
|
struct urb *urb = zd->tx_urb; |
|
|
|
if (!zd->mac_enabled || zd->monitor) { |
|
dev->stats.tx_dropped++; |
|
kfree_skb(skb); |
|
return NETDEV_TX_OK; |
|
} |
|
netif_stop_queue(dev); |
|
|
|
txbuflen = skb->len + 8 + 1; |
|
if (txbuflen%64 == 0) { |
|
pad = 1; |
|
txbuflen++; |
|
} |
|
txbuf[0] = 0xAA; |
|
txbuf[1] = 0xAA; |
|
txbuf[2] = 0x03; |
|
txbuf[3] = 0x00; /* rfc1042 */ |
|
txbuf[4] = 0x00; |
|
txbuf[5] = 0x00; |
|
|
|
skb_copy_from_linear_data_offset(skb, 12, txbuf + 6, skb->len - 12); |
|
if (pad) |
|
txbuf[skb->len-12+6]=0; |
|
skb_copy_from_linear_data(skb, txbuf + skb->len - 12 + 6 + pad, 12); |
|
*(__be16*)&txbuf[skb->len+6+pad] = htons(skb->len-12+6); |
|
txbuf[txbuflen-1] = 0; |
|
|
|
usb_fill_bulk_urb(urb, zd->usb, usb_sndbulkpipe(zd->usb, zd->endp_out), |
|
txbuf, txbuflen, zd1201_usbtx, zd); |
|
|
|
err = usb_submit_urb(zd->tx_urb, GFP_ATOMIC); |
|
if (err) { |
|
dev->stats.tx_errors++; |
|
netif_start_queue(dev); |
|
} else { |
|
dev->stats.tx_packets++; |
|
dev->stats.tx_bytes += skb->len; |
|
} |
|
kfree_skb(skb); |
|
|
|
return NETDEV_TX_OK; |
|
} |
|
|
|
static void zd1201_tx_timeout(struct net_device *dev, unsigned int txqueue) |
|
{ |
|
struct zd1201 *zd = netdev_priv(dev); |
|
|
|
if (!zd) |
|
return; |
|
dev_warn(&zd->usb->dev, "%s: TX timeout, shooting down urb\n", |
|
dev->name); |
|
usb_unlink_urb(zd->tx_urb); |
|
dev->stats.tx_errors++; |
|
/* Restart the timeout to quiet the watchdog: */ |
|
netif_trans_update(dev); /* prevent tx timeout */ |
|
} |
|
|
|
static int zd1201_set_mac_address(struct net_device *dev, void *p) |
|
{ |
|
struct sockaddr *addr = p; |
|
struct zd1201 *zd = netdev_priv(dev); |
|
int err; |
|
|
|
if (!zd) |
|
return -ENODEV; |
|
|
|
err = zd1201_setconfig(zd, ZD1201_RID_CNFOWNMACADDR, |
|
addr->sa_data, dev->addr_len, 1); |
|
if (err) |
|
return err; |
|
memcpy(dev->dev_addr, addr->sa_data, dev->addr_len); |
|
|
|
return zd1201_mac_reset(zd); |
|
} |
|
|
|
static struct iw_statistics *zd1201_get_wireless_stats(struct net_device *dev) |
|
{ |
|
struct zd1201 *zd = netdev_priv(dev); |
|
|
|
return &zd->iwstats; |
|
} |
|
|
|
static void zd1201_set_multicast(struct net_device *dev) |
|
{ |
|
struct zd1201 *zd = netdev_priv(dev); |
|
struct netdev_hw_addr *ha; |
|
unsigned char reqbuf[ETH_ALEN*ZD1201_MAXMULTI]; |
|
int i; |
|
|
|
if (netdev_mc_count(dev) > ZD1201_MAXMULTI) |
|
return; |
|
|
|
i = 0; |
|
netdev_for_each_mc_addr(ha, dev) |
|
memcpy(reqbuf + i++ * ETH_ALEN, ha->addr, ETH_ALEN); |
|
zd1201_setconfig(zd, ZD1201_RID_CNFGROUPADDRESS, reqbuf, |
|
netdev_mc_count(dev) * ETH_ALEN, 0); |
|
} |
|
|
|
static int zd1201_config_commit(struct net_device *dev, |
|
struct iw_request_info *info, struct iw_point *data, char *essid) |
|
{ |
|
struct zd1201 *zd = netdev_priv(dev); |
|
|
|
return zd1201_mac_reset(zd); |
|
} |
|
|
|
static int zd1201_get_name(struct net_device *dev, |
|
struct iw_request_info *info, char *name, char *extra) |
|
{ |
|
strcpy(name, "IEEE 802.11b"); |
|
return 0; |
|
} |
|
|
|
static int zd1201_set_freq(struct net_device *dev, |
|
struct iw_request_info *info, struct iw_freq *freq, char *extra) |
|
{ |
|
struct zd1201 *zd = netdev_priv(dev); |
|
short channel = 0; |
|
int err; |
|
|
|
if (freq->e == 0) |
|
channel = freq->m; |
|
else |
|
channel = ieee80211_frequency_to_channel(freq->m); |
|
|
|
err = zd1201_setconfig16(zd, ZD1201_RID_CNFOWNCHANNEL, channel); |
|
if (err) |
|
return err; |
|
|
|
zd1201_mac_reset(zd); |
|
|
|
return 0; |
|
} |
|
|
|
static int zd1201_get_freq(struct net_device *dev, |
|
struct iw_request_info *info, struct iw_freq *freq, char *extra) |
|
{ |
|
struct zd1201 *zd = netdev_priv(dev); |
|
short channel; |
|
int err; |
|
|
|
err = zd1201_getconfig16(zd, ZD1201_RID_CNFOWNCHANNEL, &channel); |
|
if (err) |
|
return err; |
|
freq->e = 0; |
|
freq->m = channel; |
|
|
|
return 0; |
|
} |
|
|
|
static int zd1201_set_mode(struct net_device *dev, |
|
struct iw_request_info *info, __u32 *mode, char *extra) |
|
{ |
|
struct zd1201 *zd = netdev_priv(dev); |
|
short porttype, monitor = 0; |
|
unsigned char buffer[IW_ESSID_MAX_SIZE+2]; |
|
int err; |
|
|
|
if (zd->ap) { |
|
if (*mode != IW_MODE_MASTER) |
|
return -EINVAL; |
|
return 0; |
|
} |
|
|
|
err = zd1201_setconfig16(zd, ZD1201_RID_PROMISCUOUSMODE, 0); |
|
if (err) |
|
return err; |
|
zd->dev->type = ARPHRD_ETHER; |
|
switch(*mode) { |
|
case IW_MODE_MONITOR: |
|
monitor = 1; |
|
zd->dev->type = ARPHRD_IEEE80211; |
|
/* Make sure we are no longer associated with by |
|
setting an 'impossible' essid. |
|
(otherwise we mess up firmware) |
|
*/ |
|
zd1201_join(zd, "\0-*#\0", 5); |
|
/* Put port in pIBSS */ |
|
fallthrough; |
|
case 8: /* No pseudo-IBSS in wireless extensions (yet) */ |
|
porttype = ZD1201_PORTTYPE_PSEUDOIBSS; |
|
break; |
|
case IW_MODE_ADHOC: |
|
porttype = ZD1201_PORTTYPE_IBSS; |
|
break; |
|
case IW_MODE_INFRA: |
|
porttype = ZD1201_PORTTYPE_BSS; |
|
break; |
|
default: |
|
return -EINVAL; |
|
} |
|
|
|
err = zd1201_setconfig16(zd, ZD1201_RID_CNFPORTTYPE, porttype); |
|
if (err) |
|
return err; |
|
if (zd->monitor && !monitor) { |
|
zd1201_disable(zd); |
|
*(__le16 *)buffer = cpu_to_le16(zd->essidlen); |
|
memcpy(buffer+2, zd->essid, zd->essidlen); |
|
err = zd1201_setconfig(zd, ZD1201_RID_CNFDESIREDSSID, |
|
buffer, IW_ESSID_MAX_SIZE+2, 1); |
|
if (err) |
|
return err; |
|
} |
|
zd->monitor = monitor; |
|
/* If monitor mode is set we don't actually turn it on here since it |
|
* is done during mac reset anyway (see zd1201_mac_enable). |
|
*/ |
|
zd1201_mac_reset(zd); |
|
|
|
return 0; |
|
} |
|
|
|
static int zd1201_get_mode(struct net_device *dev, |
|
struct iw_request_info *info, __u32 *mode, char *extra) |
|
{ |
|
struct zd1201 *zd = netdev_priv(dev); |
|
short porttype; |
|
int err; |
|
|
|
err = zd1201_getconfig16(zd, ZD1201_RID_CNFPORTTYPE, &porttype); |
|
if (err) |
|
return err; |
|
switch(porttype) { |
|
case ZD1201_PORTTYPE_IBSS: |
|
*mode = IW_MODE_ADHOC; |
|
break; |
|
case ZD1201_PORTTYPE_BSS: |
|
*mode = IW_MODE_INFRA; |
|
break; |
|
case ZD1201_PORTTYPE_WDS: |
|
*mode = IW_MODE_REPEAT; |
|
break; |
|
case ZD1201_PORTTYPE_PSEUDOIBSS: |
|
*mode = 8;/* No Pseudo-IBSS... */ |
|
break; |
|
case ZD1201_PORTTYPE_AP: |
|
*mode = IW_MODE_MASTER; |
|
break; |
|
default: |
|
dev_dbg(&zd->usb->dev, "Unknown porttype: %d\n", |
|
porttype); |
|
*mode = IW_MODE_AUTO; |
|
} |
|
if (zd->monitor) |
|
*mode = IW_MODE_MONITOR; |
|
|
|
return 0; |
|
} |
|
|
|
static int zd1201_get_range(struct net_device *dev, |
|
struct iw_request_info *info, struct iw_point *wrq, char *extra) |
|
{ |
|
struct iw_range *range = (struct iw_range *)extra; |
|
|
|
wrq->length = sizeof(struct iw_range); |
|
memset(range, 0, sizeof(struct iw_range)); |
|
range->we_version_compiled = WIRELESS_EXT; |
|
range->we_version_source = WIRELESS_EXT; |
|
|
|
range->max_qual.qual = 128; |
|
range->max_qual.level = 128; |
|
range->max_qual.noise = 128; |
|
range->max_qual.updated = 7; |
|
|
|
range->encoding_size[0] = 5; |
|
range->encoding_size[1] = 13; |
|
range->num_encoding_sizes = 2; |
|
range->max_encoding_tokens = ZD1201_NUMKEYS; |
|
|
|
range->num_bitrates = 4; |
|
range->bitrate[0] = 1000000; |
|
range->bitrate[1] = 2000000; |
|
range->bitrate[2] = 5500000; |
|
range->bitrate[3] = 11000000; |
|
|
|
range->min_rts = 0; |
|
range->min_frag = ZD1201_FRAGMIN; |
|
range->max_rts = ZD1201_RTSMAX; |
|
range->min_frag = ZD1201_FRAGMAX; |
|
|
|
return 0; |
|
} |
|
|
|
/* Little bit of magic here: we only get the quality if we poll |
|
* for it, and we never get an actual request to trigger such |
|
* a poll. Therefore we 'assume' that the user will soon ask for |
|
* the stats after asking the bssid. |
|
*/ |
|
static int zd1201_get_wap(struct net_device *dev, |
|
struct iw_request_info *info, struct sockaddr *ap_addr, char *extra) |
|
{ |
|
struct zd1201 *zd = netdev_priv(dev); |
|
unsigned char buffer[6]; |
|
|
|
if (!zd1201_getconfig(zd, ZD1201_RID_COMMSQUALITY, buffer, 6)) { |
|
/* Unfortunately the quality and noise reported is useless. |
|
they seem to be accumulators that increase until you |
|
read them, unless we poll on a fixed interval we can't |
|
use them |
|
*/ |
|
/*zd->iwstats.qual.qual = le16_to_cpu(((__le16 *)buffer)[0]);*/ |
|
zd->iwstats.qual.level = le16_to_cpu(((__le16 *)buffer)[1]); |
|
/*zd->iwstats.qual.noise = le16_to_cpu(((__le16 *)buffer)[2]);*/ |
|
zd->iwstats.qual.updated = 2; |
|
} |
|
|
|
return zd1201_getconfig(zd, ZD1201_RID_CURRENTBSSID, ap_addr->sa_data, 6); |
|
} |
|
|
|
static int zd1201_set_scan(struct net_device *dev, |
|
struct iw_request_info *info, struct iw_point *srq, char *extra) |
|
{ |
|
/* We do everything in get_scan */ |
|
return 0; |
|
} |
|
|
|
static int zd1201_get_scan(struct net_device *dev, |
|
struct iw_request_info *info, struct iw_point *srq, char *extra) |
|
{ |
|
struct zd1201 *zd = netdev_priv(dev); |
|
int err, i, j, enabled_save; |
|
struct iw_event iwe; |
|
char *cev = extra; |
|
char *end_buf = extra + IW_SCAN_MAX_DATA; |
|
|
|
/* No scanning in AP mode */ |
|
if (zd->ap) |
|
return -EOPNOTSUPP; |
|
|
|
/* Scan doesn't seem to work if disabled */ |
|
enabled_save = zd->mac_enabled; |
|
zd1201_enable(zd); |
|
|
|
zd->rxdatas = 0; |
|
err = zd1201_docmd(zd, ZD1201_CMDCODE_INQUIRE, |
|
ZD1201_INQ_SCANRESULTS, 0, 0); |
|
if (err) |
|
return err; |
|
|
|
wait_event_interruptible(zd->rxdataq, zd->rxdatas); |
|
if (!zd->rxlen) |
|
return -EIO; |
|
|
|
if (le16_to_cpu(*(__le16*)&zd->rxdata[2]) != ZD1201_INQ_SCANRESULTS) |
|
return -EIO; |
|
|
|
for(i=8; i<zd->rxlen; i+=62) { |
|
iwe.cmd = SIOCGIWAP; |
|
iwe.u.ap_addr.sa_family = ARPHRD_ETHER; |
|
memcpy(iwe.u.ap_addr.sa_data, zd->rxdata+i+6, 6); |
|
cev = iwe_stream_add_event(info, cev, end_buf, |
|
&iwe, IW_EV_ADDR_LEN); |
|
|
|
iwe.cmd = SIOCGIWESSID; |
|
iwe.u.data.length = zd->rxdata[i+16]; |
|
iwe.u.data.flags = 1; |
|
cev = iwe_stream_add_point(info, cev, end_buf, |
|
&iwe, zd->rxdata+i+18); |
|
|
|
iwe.cmd = SIOCGIWMODE; |
|
if (zd->rxdata[i+14]&0x01) |
|
iwe.u.mode = IW_MODE_MASTER; |
|
else |
|
iwe.u.mode = IW_MODE_ADHOC; |
|
cev = iwe_stream_add_event(info, cev, end_buf, |
|
&iwe, IW_EV_UINT_LEN); |
|
|
|
iwe.cmd = SIOCGIWFREQ; |
|
iwe.u.freq.m = zd->rxdata[i+0]; |
|
iwe.u.freq.e = 0; |
|
cev = iwe_stream_add_event(info, cev, end_buf, |
|
&iwe, IW_EV_FREQ_LEN); |
|
|
|
iwe.cmd = SIOCGIWRATE; |
|
iwe.u.bitrate.fixed = 0; |
|
iwe.u.bitrate.disabled = 0; |
|
for (j=0; j<10; j++) if (zd->rxdata[i+50+j]) { |
|
iwe.u.bitrate.value = (zd->rxdata[i+50+j]&0x7f)*500000; |
|
cev = iwe_stream_add_event(info, cev, end_buf, |
|
&iwe, IW_EV_PARAM_LEN); |
|
} |
|
|
|
iwe.cmd = SIOCGIWENCODE; |
|
iwe.u.data.length = 0; |
|
if (zd->rxdata[i+14]&0x10) |
|
iwe.u.data.flags = IW_ENCODE_ENABLED; |
|
else |
|
iwe.u.data.flags = IW_ENCODE_DISABLED; |
|
cev = iwe_stream_add_point(info, cev, end_buf, &iwe, NULL); |
|
|
|
iwe.cmd = IWEVQUAL; |
|
iwe.u.qual.qual = zd->rxdata[i+4]; |
|
iwe.u.qual.noise= zd->rxdata[i+2]/10-100; |
|
iwe.u.qual.level = (256+zd->rxdata[i+4]*100)/255-100; |
|
iwe.u.qual.updated = 7; |
|
cev = iwe_stream_add_event(info, cev, end_buf, |
|
&iwe, IW_EV_QUAL_LEN); |
|
} |
|
|
|
if (!enabled_save) |
|
zd1201_disable(zd); |
|
|
|
srq->length = cev - extra; |
|
srq->flags = 0; |
|
|
|
return 0; |
|
} |
|
|
|
static int zd1201_set_essid(struct net_device *dev, |
|
struct iw_request_info *info, struct iw_point *data, char *essid) |
|
{ |
|
struct zd1201 *zd = netdev_priv(dev); |
|
|
|
if (data->length > IW_ESSID_MAX_SIZE) |
|
return -EINVAL; |
|
if (data->length < 1) |
|
data->length = 1; |
|
zd->essidlen = data->length; |
|
memset(zd->essid, 0, IW_ESSID_MAX_SIZE+1); |
|
memcpy(zd->essid, essid, data->length); |
|
return zd1201_join(zd, zd->essid, zd->essidlen); |
|
} |
|
|
|
static int zd1201_get_essid(struct net_device *dev, |
|
struct iw_request_info *info, struct iw_point *data, char *essid) |
|
{ |
|
struct zd1201 *zd = netdev_priv(dev); |
|
|
|
memcpy(essid, zd->essid, zd->essidlen); |
|
data->flags = 1; |
|
data->length = zd->essidlen; |
|
|
|
return 0; |
|
} |
|
|
|
static int zd1201_get_nick(struct net_device *dev, struct iw_request_info *info, |
|
struct iw_point *data, char *nick) |
|
{ |
|
strcpy(nick, "zd1201"); |
|
data->flags = 1; |
|
data->length = strlen(nick); |
|
return 0; |
|
} |
|
|
|
static int zd1201_set_rate(struct net_device *dev, |
|
struct iw_request_info *info, struct iw_param *rrq, char *extra) |
|
{ |
|
struct zd1201 *zd = netdev_priv(dev); |
|
short rate; |
|
int err; |
|
|
|
switch (rrq->value) { |
|
case 1000000: |
|
rate = ZD1201_RATEB1; |
|
break; |
|
case 2000000: |
|
rate = ZD1201_RATEB2; |
|
break; |
|
case 5500000: |
|
rate = ZD1201_RATEB5; |
|
break; |
|
case 11000000: |
|
default: |
|
rate = ZD1201_RATEB11; |
|
break; |
|
} |
|
if (!rrq->fixed) { /* Also enable all lower bitrates */ |
|
rate |= rate-1; |
|
} |
|
|
|
err = zd1201_setconfig16(zd, ZD1201_RID_TXRATECNTL, rate); |
|
if (err) |
|
return err; |
|
|
|
return zd1201_mac_reset(zd); |
|
} |
|
|
|
static int zd1201_get_rate(struct net_device *dev, |
|
struct iw_request_info *info, struct iw_param *rrq, char *extra) |
|
{ |
|
struct zd1201 *zd = netdev_priv(dev); |
|
short rate; |
|
int err; |
|
|
|
err = zd1201_getconfig16(zd, ZD1201_RID_CURRENTTXRATE, &rate); |
|
if (err) |
|
return err; |
|
|
|
switch(rate) { |
|
case 1: |
|
rrq->value = 1000000; |
|
break; |
|
case 2: |
|
rrq->value = 2000000; |
|
break; |
|
case 5: |
|
rrq->value = 5500000; |
|
break; |
|
case 11: |
|
rrq->value = 11000000; |
|
break; |
|
default: |
|
rrq->value = 0; |
|
} |
|
rrq->fixed = 0; |
|
rrq->disabled = 0; |
|
|
|
return 0; |
|
} |
|
|
|
static int zd1201_set_rts(struct net_device *dev, struct iw_request_info *info, |
|
struct iw_param *rts, char *extra) |
|
{ |
|
struct zd1201 *zd = netdev_priv(dev); |
|
int err; |
|
short val = rts->value; |
|
|
|
if (rts->disabled || !rts->fixed) |
|
val = ZD1201_RTSMAX; |
|
if (val > ZD1201_RTSMAX) |
|
return -EINVAL; |
|
if (val < 0) |
|
return -EINVAL; |
|
|
|
err = zd1201_setconfig16(zd, ZD1201_RID_CNFRTSTHRESHOLD, val); |
|
if (err) |
|
return err; |
|
return zd1201_mac_reset(zd); |
|
} |
|
|
|
static int zd1201_get_rts(struct net_device *dev, struct iw_request_info *info, |
|
struct iw_param *rts, char *extra) |
|
{ |
|
struct zd1201 *zd = netdev_priv(dev); |
|
short rtst; |
|
int err; |
|
|
|
err = zd1201_getconfig16(zd, ZD1201_RID_CNFRTSTHRESHOLD, &rtst); |
|
if (err) |
|
return err; |
|
rts->value = rtst; |
|
rts->disabled = (rts->value == ZD1201_RTSMAX); |
|
rts->fixed = 1; |
|
|
|
return 0; |
|
} |
|
|
|
static int zd1201_set_frag(struct net_device *dev, struct iw_request_info *info, |
|
struct iw_param *frag, char *extra) |
|
{ |
|
struct zd1201 *zd = netdev_priv(dev); |
|
int err; |
|
short val = frag->value; |
|
|
|
if (frag->disabled || !frag->fixed) |
|
val = ZD1201_FRAGMAX; |
|
if (val > ZD1201_FRAGMAX) |
|
return -EINVAL; |
|
if (val < ZD1201_FRAGMIN) |
|
return -EINVAL; |
|
if (val & 1) |
|
return -EINVAL; |
|
err = zd1201_setconfig16(zd, ZD1201_RID_CNFFRAGTHRESHOLD, val); |
|
if (err) |
|
return err; |
|
return zd1201_mac_reset(zd); |
|
} |
|
|
|
static int zd1201_get_frag(struct net_device *dev, struct iw_request_info *info, |
|
struct iw_param *frag, char *extra) |
|
{ |
|
struct zd1201 *zd = netdev_priv(dev); |
|
short fragt; |
|
int err; |
|
|
|
err = zd1201_getconfig16(zd, ZD1201_RID_CNFFRAGTHRESHOLD, &fragt); |
|
if (err) |
|
return err; |
|
frag->value = fragt; |
|
frag->disabled = (frag->value == ZD1201_FRAGMAX); |
|
frag->fixed = 1; |
|
|
|
return 0; |
|
} |
|
|
|
static int zd1201_set_retry(struct net_device *dev, |
|
struct iw_request_info *info, struct iw_param *rrq, char *extra) |
|
{ |
|
return 0; |
|
} |
|
|
|
static int zd1201_get_retry(struct net_device *dev, |
|
struct iw_request_info *info, struct iw_param *rrq, char *extra) |
|
{ |
|
return 0; |
|
} |
|
|
|
static int zd1201_set_encode(struct net_device *dev, |
|
struct iw_request_info *info, struct iw_point *erq, char *key) |
|
{ |
|
struct zd1201 *zd = netdev_priv(dev); |
|
short i; |
|
int err, rid; |
|
|
|
if (erq->length > ZD1201_MAXKEYLEN) |
|
return -EINVAL; |
|
|
|
i = (erq->flags & IW_ENCODE_INDEX)-1; |
|
if (i == -1) { |
|
err = zd1201_getconfig16(zd,ZD1201_RID_CNFDEFAULTKEYID,&i); |
|
if (err) |
|
return err; |
|
} else { |
|
err = zd1201_setconfig16(zd, ZD1201_RID_CNFDEFAULTKEYID, i); |
|
if (err) |
|
return err; |
|
} |
|
|
|
if (i < 0 || i >= ZD1201_NUMKEYS) |
|
return -EINVAL; |
|
|
|
rid = ZD1201_RID_CNFDEFAULTKEY0 + i; |
|
err = zd1201_setconfig(zd, rid, key, erq->length, 1); |
|
if (err) |
|
return err; |
|
zd->encode_keylen[i] = erq->length; |
|
memcpy(zd->encode_keys[i], key, erq->length); |
|
|
|
i=0; |
|
if (!(erq->flags & IW_ENCODE_DISABLED & IW_ENCODE_MODE)) { |
|
i |= 0x01; |
|
zd->encode_enabled = 1; |
|
} else |
|
zd->encode_enabled = 0; |
|
if (erq->flags & IW_ENCODE_RESTRICTED & IW_ENCODE_MODE) { |
|
i |= 0x02; |
|
zd->encode_restricted = 1; |
|
} else |
|
zd->encode_restricted = 0; |
|
err = zd1201_setconfig16(zd, ZD1201_RID_CNFWEBFLAGS, i); |
|
if (err) |
|
return err; |
|
|
|
if (zd->encode_enabled) |
|
i = ZD1201_CNFAUTHENTICATION_SHAREDKEY; |
|
else |
|
i = ZD1201_CNFAUTHENTICATION_OPENSYSTEM; |
|
err = zd1201_setconfig16(zd, ZD1201_RID_CNFAUTHENTICATION, i); |
|
if (err) |
|
return err; |
|
|
|
return zd1201_mac_reset(zd); |
|
} |
|
|
|
static int zd1201_get_encode(struct net_device *dev, |
|
struct iw_request_info *info, struct iw_point *erq, char *key) |
|
{ |
|
struct zd1201 *zd = netdev_priv(dev); |
|
short i; |
|
int err; |
|
|
|
if (zd->encode_enabled) |
|
erq->flags = IW_ENCODE_ENABLED; |
|
else |
|
erq->flags = IW_ENCODE_DISABLED; |
|
if (zd->encode_restricted) |
|
erq->flags |= IW_ENCODE_RESTRICTED; |
|
else |
|
erq->flags |= IW_ENCODE_OPEN; |
|
|
|
i = (erq->flags & IW_ENCODE_INDEX) -1; |
|
if (i == -1) { |
|
err = zd1201_getconfig16(zd, ZD1201_RID_CNFDEFAULTKEYID, &i); |
|
if (err) |
|
return err; |
|
} |
|
if (i<0 || i>= ZD1201_NUMKEYS) |
|
return -EINVAL; |
|
|
|
erq->flags |= i+1; |
|
|
|
erq->length = zd->encode_keylen[i]; |
|
memcpy(key, zd->encode_keys[i], erq->length); |
|
|
|
return 0; |
|
} |
|
|
|
static int zd1201_set_power(struct net_device *dev, |
|
struct iw_request_info *info, struct iw_param *vwrq, char *extra) |
|
{ |
|
struct zd1201 *zd = netdev_priv(dev); |
|
short enabled, duration, level; |
|
int err; |
|
|
|
enabled = vwrq->disabled ? 0 : 1; |
|
if (enabled) { |
|
if (vwrq->flags & IW_POWER_PERIOD) { |
|
duration = vwrq->value; |
|
err = zd1201_setconfig16(zd, |
|
ZD1201_RID_CNFMAXSLEEPDURATION, duration); |
|
if (err) |
|
return err; |
|
goto out; |
|
} |
|
if (vwrq->flags & IW_POWER_TIMEOUT) { |
|
err = zd1201_getconfig16(zd, |
|
ZD1201_RID_CNFMAXSLEEPDURATION, &duration); |
|
if (err) |
|
return err; |
|
level = vwrq->value * 4 / duration; |
|
if (level > 4) |
|
level = 4; |
|
if (level < 0) |
|
level = 0; |
|
err = zd1201_setconfig16(zd, ZD1201_RID_CNFPMEPS, |
|
level); |
|
if (err) |
|
return err; |
|
goto out; |
|
} |
|
return -EINVAL; |
|
} |
|
out: |
|
return zd1201_setconfig16(zd, ZD1201_RID_CNFPMENABLED, enabled); |
|
} |
|
|
|
static int zd1201_get_power(struct net_device *dev, |
|
struct iw_request_info *info, struct iw_param *vwrq, char *extra) |
|
{ |
|
struct zd1201 *zd = netdev_priv(dev); |
|
short enabled, level, duration; |
|
int err; |
|
|
|
err = zd1201_getconfig16(zd, ZD1201_RID_CNFPMENABLED, &enabled); |
|
if (err) |
|
return err; |
|
err = zd1201_getconfig16(zd, ZD1201_RID_CNFPMEPS, &level); |
|
if (err) |
|
return err; |
|
err = zd1201_getconfig16(zd, ZD1201_RID_CNFMAXSLEEPDURATION, &duration); |
|
if (err) |
|
return err; |
|
vwrq->disabled = enabled ? 0 : 1; |
|
if (vwrq->flags & IW_POWER_TYPE) { |
|
if (vwrq->flags & IW_POWER_PERIOD) { |
|
vwrq->value = duration; |
|
vwrq->flags = IW_POWER_PERIOD; |
|
} else { |
|
vwrq->value = duration * level / 4; |
|
vwrq->flags = IW_POWER_TIMEOUT; |
|
} |
|
} |
|
if (vwrq->flags & IW_POWER_MODE) { |
|
if (enabled && level) |
|
vwrq->flags = IW_POWER_UNICAST_R; |
|
else |
|
vwrq->flags = IW_POWER_ALL_R; |
|
} |
|
|
|
return 0; |
|
} |
|
|
|
|
|
static const iw_handler zd1201_iw_handler[] = |
|
{ |
|
(iw_handler) zd1201_config_commit, /* SIOCSIWCOMMIT */ |
|
(iw_handler) zd1201_get_name, /* SIOCGIWNAME */ |
|
(iw_handler) NULL, /* SIOCSIWNWID */ |
|
(iw_handler) NULL, /* SIOCGIWNWID */ |
|
(iw_handler) zd1201_set_freq, /* SIOCSIWFREQ */ |
|
(iw_handler) zd1201_get_freq, /* SIOCGIWFREQ */ |
|
(iw_handler) zd1201_set_mode, /* SIOCSIWMODE */ |
|
(iw_handler) zd1201_get_mode, /* SIOCGIWMODE */ |
|
(iw_handler) NULL, /* SIOCSIWSENS */ |
|
(iw_handler) NULL, /* SIOCGIWSENS */ |
|
(iw_handler) NULL, /* SIOCSIWRANGE */ |
|
(iw_handler) zd1201_get_range, /* SIOCGIWRANGE */ |
|
(iw_handler) NULL, /* SIOCSIWPRIV */ |
|
(iw_handler) NULL, /* SIOCGIWPRIV */ |
|
(iw_handler) NULL, /* SIOCSIWSTATS */ |
|
(iw_handler) NULL, /* SIOCGIWSTATS */ |
|
(iw_handler) NULL, /* SIOCSIWSPY */ |
|
(iw_handler) NULL, /* SIOCGIWSPY */ |
|
(iw_handler) NULL, /* -- hole -- */ |
|
(iw_handler) NULL, /* -- hole -- */ |
|
(iw_handler) NULL/*zd1201_set_wap*/, /* SIOCSIWAP */ |
|
(iw_handler) zd1201_get_wap, /* SIOCGIWAP */ |
|
(iw_handler) NULL, /* -- hole -- */ |
|
(iw_handler) NULL, /* SIOCGIWAPLIST */ |
|
(iw_handler) zd1201_set_scan, /* SIOCSIWSCAN */ |
|
(iw_handler) zd1201_get_scan, /* SIOCGIWSCAN */ |
|
(iw_handler) zd1201_set_essid, /* SIOCSIWESSID */ |
|
(iw_handler) zd1201_get_essid, /* SIOCGIWESSID */ |
|
(iw_handler) NULL, /* SIOCSIWNICKN */ |
|
(iw_handler) zd1201_get_nick, /* SIOCGIWNICKN */ |
|
(iw_handler) NULL, /* -- hole -- */ |
|
(iw_handler) NULL, /* -- hole -- */ |
|
(iw_handler) zd1201_set_rate, /* SIOCSIWRATE */ |
|
(iw_handler) zd1201_get_rate, /* SIOCGIWRATE */ |
|
(iw_handler) zd1201_set_rts, /* SIOCSIWRTS */ |
|
(iw_handler) zd1201_get_rts, /* SIOCGIWRTS */ |
|
(iw_handler) zd1201_set_frag, /* SIOCSIWFRAG */ |
|
(iw_handler) zd1201_get_frag, /* SIOCGIWFRAG */ |
|
(iw_handler) NULL, /* SIOCSIWTXPOW */ |
|
(iw_handler) NULL, /* SIOCGIWTXPOW */ |
|
(iw_handler) zd1201_set_retry, /* SIOCSIWRETRY */ |
|
(iw_handler) zd1201_get_retry, /* SIOCGIWRETRY */ |
|
(iw_handler) zd1201_set_encode, /* SIOCSIWENCODE */ |
|
(iw_handler) zd1201_get_encode, /* SIOCGIWENCODE */ |
|
(iw_handler) zd1201_set_power, /* SIOCSIWPOWER */ |
|
(iw_handler) zd1201_get_power, /* SIOCGIWPOWER */ |
|
}; |
|
|
|
static int zd1201_set_hostauth(struct net_device *dev, |
|
struct iw_request_info *info, struct iw_param *rrq, char *extra) |
|
{ |
|
struct zd1201 *zd = netdev_priv(dev); |
|
|
|
if (!zd->ap) |
|
return -EOPNOTSUPP; |
|
|
|
return zd1201_setconfig16(zd, ZD1201_RID_CNFHOSTAUTH, rrq->value); |
|
} |
|
|
|
static int zd1201_get_hostauth(struct net_device *dev, |
|
struct iw_request_info *info, struct iw_param *rrq, char *extra) |
|
{ |
|
struct zd1201 *zd = netdev_priv(dev); |
|
short hostauth; |
|
int err; |
|
|
|
if (!zd->ap) |
|
return -EOPNOTSUPP; |
|
|
|
err = zd1201_getconfig16(zd, ZD1201_RID_CNFHOSTAUTH, &hostauth); |
|
if (err) |
|
return err; |
|
rrq->value = hostauth; |
|
rrq->fixed = 1; |
|
|
|
return 0; |
|
} |
|
|
|
static int zd1201_auth_sta(struct net_device *dev, |
|
struct iw_request_info *info, struct sockaddr *sta, char *extra) |
|
{ |
|
struct zd1201 *zd = netdev_priv(dev); |
|
unsigned char buffer[10]; |
|
|
|
if (!zd->ap) |
|
return -EOPNOTSUPP; |
|
|
|
memcpy(buffer, sta->sa_data, ETH_ALEN); |
|
*(short*)(buffer+6) = 0; /* 0==success, 1==failure */ |
|
*(short*)(buffer+8) = 0; |
|
|
|
return zd1201_setconfig(zd, ZD1201_RID_AUTHENTICATESTA, buffer, 10, 1); |
|
} |
|
|
|
static int zd1201_set_maxassoc(struct net_device *dev, |
|
struct iw_request_info *info, struct iw_param *rrq, char *extra) |
|
{ |
|
struct zd1201 *zd = netdev_priv(dev); |
|
|
|
if (!zd->ap) |
|
return -EOPNOTSUPP; |
|
|
|
return zd1201_setconfig16(zd, ZD1201_RID_CNFMAXASSOCSTATIONS, rrq->value); |
|
} |
|
|
|
static int zd1201_get_maxassoc(struct net_device *dev, |
|
struct iw_request_info *info, struct iw_param *rrq, char *extra) |
|
{ |
|
struct zd1201 *zd = netdev_priv(dev); |
|
short maxassoc; |
|
int err; |
|
|
|
if (!zd->ap) |
|
return -EOPNOTSUPP; |
|
|
|
err = zd1201_getconfig16(zd, ZD1201_RID_CNFMAXASSOCSTATIONS, &maxassoc); |
|
if (err) |
|
return err; |
|
rrq->value = maxassoc; |
|
rrq->fixed = 1; |
|
|
|
return 0; |
|
} |
|
|
|
static const iw_handler zd1201_private_handler[] = { |
|
(iw_handler) zd1201_set_hostauth, /* ZD1201SIWHOSTAUTH */ |
|
(iw_handler) zd1201_get_hostauth, /* ZD1201GIWHOSTAUTH */ |
|
(iw_handler) zd1201_auth_sta, /* ZD1201SIWAUTHSTA */ |
|
(iw_handler) NULL, /* nothing to get */ |
|
(iw_handler) zd1201_set_maxassoc, /* ZD1201SIMAXASSOC */ |
|
(iw_handler) zd1201_get_maxassoc, /* ZD1201GIMAXASSOC */ |
|
}; |
|
|
|
static const struct iw_priv_args zd1201_private_args[] = { |
|
{ ZD1201SIWHOSTAUTH, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, |
|
IW_PRIV_TYPE_NONE, "sethostauth" }, |
|
{ ZD1201GIWHOSTAUTH, IW_PRIV_TYPE_NONE, |
|
IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethostauth" }, |
|
{ ZD1201SIWAUTHSTA, IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, |
|
IW_PRIV_TYPE_NONE, "authstation" }, |
|
{ ZD1201SIWMAXASSOC, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, |
|
IW_PRIV_TYPE_NONE, "setmaxassoc" }, |
|
{ ZD1201GIWMAXASSOC, IW_PRIV_TYPE_NONE, |
|
IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getmaxassoc" }, |
|
}; |
|
|
|
static const struct iw_handler_def zd1201_iw_handlers = { |
|
.num_standard = ARRAY_SIZE(zd1201_iw_handler), |
|
.num_private = ARRAY_SIZE(zd1201_private_handler), |
|
.num_private_args = ARRAY_SIZE(zd1201_private_args), |
|
.standard = (iw_handler *)zd1201_iw_handler, |
|
.private = (iw_handler *)zd1201_private_handler, |
|
.private_args = (struct iw_priv_args *) zd1201_private_args, |
|
.get_wireless_stats = zd1201_get_wireless_stats, |
|
}; |
|
|
|
static const struct net_device_ops zd1201_netdev_ops = { |
|
.ndo_open = zd1201_net_open, |
|
.ndo_stop = zd1201_net_stop, |
|
.ndo_start_xmit = zd1201_hard_start_xmit, |
|
.ndo_tx_timeout = zd1201_tx_timeout, |
|
.ndo_set_rx_mode = zd1201_set_multicast, |
|
.ndo_set_mac_address = zd1201_set_mac_address, |
|
.ndo_validate_addr = eth_validate_addr, |
|
}; |
|
|
|
static int zd1201_probe(struct usb_interface *interface, |
|
const struct usb_device_id *id) |
|
{ |
|
struct zd1201 *zd; |
|
struct net_device *dev; |
|
struct usb_device *usb; |
|
int err; |
|
short porttype; |
|
char buf[IW_ESSID_MAX_SIZE+2]; |
|
|
|
usb = interface_to_usbdev(interface); |
|
|
|
dev = alloc_etherdev(sizeof(*zd)); |
|
if (!dev) |
|
return -ENOMEM; |
|
zd = netdev_priv(dev); |
|
zd->dev = dev; |
|
|
|
zd->ap = ap; |
|
zd->usb = usb; |
|
zd->removed = 0; |
|
init_waitqueue_head(&zd->rxdataq); |
|
INIT_HLIST_HEAD(&zd->fraglist); |
|
|
|
err = zd1201_fw_upload(usb, zd->ap); |
|
if (err) { |
|
dev_err(&usb->dev, "zd1201 firmware upload failed: %d\n", err); |
|
goto err_zd; |
|
} |
|
|
|
zd->endp_in = 1; |
|
zd->endp_out = 1; |
|
zd->endp_out2 = 2; |
|
zd->rx_urb = usb_alloc_urb(0, GFP_KERNEL); |
|
zd->tx_urb = usb_alloc_urb(0, GFP_KERNEL); |
|
if (!zd->rx_urb || !zd->tx_urb) { |
|
err = -ENOMEM; |
|
goto err_zd; |
|
} |
|
|
|
mdelay(100); |
|
err = zd1201_drvr_start(zd); |
|
if (err) |
|
goto err_zd; |
|
|
|
err = zd1201_setconfig16(zd, ZD1201_RID_CNFMAXDATALEN, 2312); |
|
if (err) |
|
goto err_start; |
|
|
|
err = zd1201_setconfig16(zd, ZD1201_RID_TXRATECNTL, |
|
ZD1201_RATEB1 | ZD1201_RATEB2 | ZD1201_RATEB5 | ZD1201_RATEB11); |
|
if (err) |
|
goto err_start; |
|
|
|
dev->netdev_ops = &zd1201_netdev_ops; |
|
dev->wireless_handlers = &zd1201_iw_handlers; |
|
dev->watchdog_timeo = ZD1201_TX_TIMEOUT; |
|
strcpy(dev->name, "wlan%d"); |
|
|
|
err = zd1201_getconfig(zd, ZD1201_RID_CNFOWNMACADDR, |
|
dev->dev_addr, dev->addr_len); |
|
if (err) |
|
goto err_start; |
|
|
|
/* Set wildcard essid to match zd->essid */ |
|
*(__le16 *)buf = cpu_to_le16(0); |
|
err = zd1201_setconfig(zd, ZD1201_RID_CNFDESIREDSSID, buf, |
|
IW_ESSID_MAX_SIZE+2, 1); |
|
if (err) |
|
goto err_start; |
|
|
|
if (zd->ap) |
|
porttype = ZD1201_PORTTYPE_AP; |
|
else |
|
porttype = ZD1201_PORTTYPE_BSS; |
|
err = zd1201_setconfig16(zd, ZD1201_RID_CNFPORTTYPE, porttype); |
|
if (err) |
|
goto err_start; |
|
|
|
SET_NETDEV_DEV(dev, &usb->dev); |
|
|
|
err = register_netdev(dev); |
|
if (err) |
|
goto err_start; |
|
dev_info(&usb->dev, "%s: ZD1201 USB Wireless interface\n", |
|
dev->name); |
|
|
|
usb_set_intfdata(interface, zd); |
|
zd1201_enable(zd); /* zd1201 likes to startup enabled, */ |
|
zd1201_disable(zd); /* interfering with all the wifis in range */ |
|
return 0; |
|
|
|
err_start: |
|
/* Leave the device in reset state */ |
|
zd1201_docmd(zd, ZD1201_CMDCODE_INIT, 0, 0, 0); |
|
err_zd: |
|
usb_free_urb(zd->tx_urb); |
|
usb_free_urb(zd->rx_urb); |
|
free_netdev(dev); |
|
return err; |
|
} |
|
|
|
static void zd1201_disconnect(struct usb_interface *interface) |
|
{ |
|
struct zd1201 *zd = usb_get_intfdata(interface); |
|
struct hlist_node *node2; |
|
struct zd1201_frag *frag; |
|
|
|
if (!zd) |
|
return; |
|
usb_set_intfdata(interface, NULL); |
|
|
|
hlist_for_each_entry_safe(frag, node2, &zd->fraglist, fnode) { |
|
hlist_del_init(&frag->fnode); |
|
kfree_skb(frag->skb); |
|
kfree(frag); |
|
} |
|
|
|
if (zd->tx_urb) { |
|
usb_kill_urb(zd->tx_urb); |
|
usb_free_urb(zd->tx_urb); |
|
} |
|
if (zd->rx_urb) { |
|
usb_kill_urb(zd->rx_urb); |
|
usb_free_urb(zd->rx_urb); |
|
} |
|
|
|
if (zd->dev) { |
|
unregister_netdev(zd->dev); |
|
free_netdev(zd->dev); |
|
} |
|
} |
|
|
|
#ifdef CONFIG_PM |
|
|
|
static int zd1201_suspend(struct usb_interface *interface, |
|
pm_message_t message) |
|
{ |
|
struct zd1201 *zd = usb_get_intfdata(interface); |
|
|
|
netif_device_detach(zd->dev); |
|
|
|
zd->was_enabled = zd->mac_enabled; |
|
|
|
if (zd->was_enabled) |
|
return zd1201_disable(zd); |
|
else |
|
return 0; |
|
} |
|
|
|
static int zd1201_resume(struct usb_interface *interface) |
|
{ |
|
struct zd1201 *zd = usb_get_intfdata(interface); |
|
|
|
if (!zd || !zd->dev) |
|
return -ENODEV; |
|
|
|
netif_device_attach(zd->dev); |
|
|
|
if (zd->was_enabled) |
|
return zd1201_enable(zd); |
|
else |
|
return 0; |
|
} |
|
|
|
#else |
|
|
|
#define zd1201_suspend NULL |
|
#define zd1201_resume NULL |
|
|
|
#endif |
|
|
|
static struct usb_driver zd1201_usb = { |
|
.name = "zd1201", |
|
.probe = zd1201_probe, |
|
.disconnect = zd1201_disconnect, |
|
.id_table = zd1201_table, |
|
.suspend = zd1201_suspend, |
|
.resume = zd1201_resume, |
|
.disable_hub_initiated_lpm = 1, |
|
}; |
|
|
|
module_usb_driver(zd1201_usb);
|
|
|