![David S. Miller](/assets/img/avatar_default.png)
Conflicts: Documentation/powerpc/booting-without-of.txt drivers/atm/Makefile drivers/net/fs_enet/fs_enet-main.c drivers/pci/pci-acpi.c net/8021q/vlan.c net/iucv/iucv.c
1931 lines
46 KiB
C
1931 lines
46 KiB
C
/*
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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 (pe1rxq@amsat.org)
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* version 2 as published by the Free Software Foundation.
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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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#include <linux/module.h>
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#include <linux/usb.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/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 <net/ieee80211.h>
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#include "zd1201.h"
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static 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, 0x8005)}, /* GIGABYTE GN-WLBZ201 usb adapter */
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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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#define ZD1201_VERSION "0.15"
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MODULE_AUTHOR("Jeroen Vreeken <pe1rxq@amsat.org>");
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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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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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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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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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data = fw_entry->data;
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len = fw_entry->size;
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buf = kmalloc(1024, GFP_ATOMIC);
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if (!buf)
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goto exit;
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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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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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len -= translen;
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data += translen;
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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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err = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), 0x4,
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USB_DIR_IN | 0x40, 0,0, &ret, sizeof(ret), ZD1201_FW_TIMEOUT);
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if (err < 0)
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goto exit;
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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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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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static void zd1201_usbfree(struct urb *urb)
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{
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struct zd1201 *zd = urb->context;
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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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kfree(urb->transfer_buffer);
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usb_free_urb(urb);
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return;
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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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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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command = kmalloc(16, GFP_ATOMIC);
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if (!command)
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return -ENOMEM;
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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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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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return ret;
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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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return;
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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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if (!zd)
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return;
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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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if (urb->status != 0 || urb->actual_length == 0)
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goto resubmit;
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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, framelen, copylen;
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framelen = le16_to_cpu(*(__le16*)&data[4]);
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infotype = le16_to_cpu(*(__le16*)&data[6]);
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if (infotype == ZD1201_INF_LINKSTATUS) {
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short linkstatus;
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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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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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/* Send event to user space */
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wireless_send_event(zd->dev, event, &wrqu, NULL);
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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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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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struct hlist_node *node;
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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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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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memcpy(skb_put(skb, 2), &data[datalen-16], 2);
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memcpy(skb_put(skb, 2), &data[datalen-2], 2);
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memcpy(skb_put(skb, 6), &data[datalen-14], 6);
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memcpy(skb_put(skb, 6), &data[datalen-22], 6);
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memcpy(skb_put(skb, 6), &data[datalen-8], 6);
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memcpy(skb_put(skb, 2), &data[datalen-24], 2);
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memcpy(skb_put(skb, len), data, len);
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skb->protocol = eth_type_trans(skb, zd->dev);
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skb->dev->last_rx = jiffies;
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zd->stats.rx_packets++;
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zd->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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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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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_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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memcpy(skb_put(skb, 12), &data[datalen-14], 12);
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memcpy(skb_put(skb, 2), &data[6], 2);
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memcpy(skb_put(skb, len), 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, node, &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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memcpy(skb_put(skb, 12), &data[datalen-14], 12);
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memcpy(skb_put(skb, 2), &data[6], 2);
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memcpy(skb_put(skb, len), data+8, len);
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}
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skb->protocol = eth_type_trans(skb, zd->dev);
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skb->dev->last_rx = jiffies;
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zd->stats.rx_packets++;
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zd->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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return;
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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]));
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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;
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|
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/* Not enough buffer for allocating data */
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if (riddatalen != (length - 4)) {
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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);
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return -ENODATA;
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}
|
|
|
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zd->rxdatas = 0;
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/* Issue SetRxRid commnd */
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err = zd1201_docmd(zd, ZD1201_CMDCODE_SETRXRID, rid, 0, length);
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if (err)
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return err;
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|
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/* Receive RID record from resource packets */
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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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|
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if (zd->rxdata[zd->rxlen - 1] != ZD1201_PACKET_RESOURCE) {
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dev_dbg(&zd->usb->dev, "Packet type mismatch: 0x%x not 0x3\n",
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zd->rxdata[zd->rxlen-1]);
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return -EINVAL;
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}
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|
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/* Set the data pointer and received data length */
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pdata = zd->rxdata;
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length = zd->rxlen;
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|
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do {
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int actual_length;
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actual_length = (length > 64) ? 64 : length;
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|
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if (pdata[0] != 0x3) {
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dev_dbg(&zd->usb->dev, "Rx Resource packet type error: %02X\n",
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pdata[0]);
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return -EINVAL;
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}
|
|
|
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if (actual_length != 64) {
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/* Trim the last packet type byte */
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actual_length--;
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}
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|
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/* Skip the 4 bytes header (RID length and RID) */
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if (i == 0) {
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pdata += 8;
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actual_length -= 8;
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} else {
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pdata += 4;
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actual_length -= 4;
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}
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|
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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 = (struct zd1201 *)dev->priv;
|
|
|
|
/* 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 int zd1201_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
|
|
{
|
|
struct zd1201 *zd = (struct zd1201 *)dev->priv;
|
|
unsigned char *txbuf = zd->txdata;
|
|
int txbuflen, pad = 0, err;
|
|
struct urb *urb = zd->tx_urb;
|
|
|
|
if (!zd->mac_enabled || zd->monitor) {
|
|
zd->stats.tx_dropped++;
|
|
kfree_skb(skb);
|
|
return 0;
|
|
}
|
|
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) {
|
|
zd->stats.tx_errors++;
|
|
netif_start_queue(dev);
|
|
return err;
|
|
}
|
|
zd->stats.tx_packets++;
|
|
zd->stats.tx_bytes += skb->len;
|
|
dev->trans_start = jiffies;
|
|
kfree_skb(skb);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void zd1201_tx_timeout(struct net_device *dev)
|
|
{
|
|
struct zd1201 *zd = (struct zd1201 *)dev->priv;
|
|
|
|
if (!zd)
|
|
return;
|
|
dev_warn(&zd->usb->dev, "%s: TX timeout, shooting down urb\n",
|
|
dev->name);
|
|
usb_unlink_urb(zd->tx_urb);
|
|
zd->stats.tx_errors++;
|
|
/* Restart the timeout to quiet the watchdog: */
|
|
dev->trans_start = jiffies;
|
|
}
|
|
|
|
static int zd1201_set_mac_address(struct net_device *dev, void *p)
|
|
{
|
|
struct sockaddr *addr = p;
|
|
struct zd1201 *zd = (struct zd1201 *)dev->priv;
|
|
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 net_device_stats *zd1201_get_stats(struct net_device *dev)
|
|
{
|
|
struct zd1201 *zd = (struct zd1201 *)dev->priv;
|
|
|
|
return &zd->stats;
|
|
}
|
|
|
|
static struct iw_statistics *zd1201_get_wireless_stats(struct net_device *dev)
|
|
{
|
|
struct zd1201 *zd = (struct zd1201 *)dev->priv;
|
|
|
|
return &zd->iwstats;
|
|
}
|
|
|
|
static void zd1201_set_multicast(struct net_device *dev)
|
|
{
|
|
struct zd1201 *zd = (struct zd1201 *)dev->priv;
|
|
struct dev_mc_list *mc = dev->mc_list;
|
|
unsigned char reqbuf[ETH_ALEN*ZD1201_MAXMULTI];
|
|
int i;
|
|
|
|
if (dev->mc_count > ZD1201_MAXMULTI)
|
|
return;
|
|
|
|
for (i=0; i<dev->mc_count; i++) {
|
|
memcpy(reqbuf+i*ETH_ALEN, mc->dmi_addr, ETH_ALEN);
|
|
mc = mc->next;
|
|
}
|
|
zd1201_setconfig(zd, ZD1201_RID_CNFGROUPADDRESS, reqbuf,
|
|
dev->mc_count*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 = (struct zd1201 *)dev->priv;
|
|
|
|
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 = (struct zd1201 *)dev->priv;
|
|
short channel = 0;
|
|
int err;
|
|
|
|
if (freq->e == 0)
|
|
channel = freq->m;
|
|
else {
|
|
if (freq->m >= 2482)
|
|
channel = 14;
|
|
if (freq->m >= 2407)
|
|
channel = (freq->m-2407)/5;
|
|
}
|
|
|
|
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 = (struct zd1201 *)dev->priv;
|
|
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 = (struct zd1201 *)dev->priv;
|
|
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 */
|
|
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 = (struct zd1201 *)dev->priv;
|
|
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 = (struct zd1201 *)dev->priv;
|
|
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 = (struct zd1201 *)dev->priv;
|
|
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 = (struct zd1201 *)dev->priv;
|
|
|
|
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 = (struct zd1201 *)dev->priv;
|
|
|
|
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 = (struct zd1201 *)dev->priv;
|
|
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 = (struct zd1201 *)dev->priv;
|
|
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 = (struct zd1201 *)dev->priv;
|
|
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 = (struct zd1201 *)dev->priv;
|
|
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 = (struct zd1201 *)dev->priv;
|
|
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 = (struct zd1201 *)dev->priv;
|
|
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 = (struct zd1201 *)dev->priv;
|
|
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 = (struct zd1201 *)dev->priv;
|
|
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 = (struct zd1201 *)dev->priv;
|
|
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 = (struct zd1201 *)dev->priv;
|
|
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 = (struct zd1201 *)dev->priv;
|
|
|
|
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 = (struct zd1201 *)dev->priv;
|
|
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 = (struct zd1201 *)dev->priv;
|
|
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 = (struct zd1201 *)dev->priv;
|
|
int err;
|
|
|
|
if (!zd->ap)
|
|
return -EOPNOTSUPP;
|
|
|
|
err = zd1201_setconfig16(zd, ZD1201_RID_CNFMAXASSOCSTATIONS, rrq->value);
|
|
if (err)
|
|
return err;
|
|
return 0;
|
|
}
|
|
|
|
static int zd1201_get_maxassoc(struct net_device *dev,
|
|
struct iw_request_info *info, struct iw_param *rrq, char *extra)
|
|
{
|
|
struct zd1201 *zd = (struct zd1201 *)dev->priv;
|
|
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 int zd1201_probe(struct usb_interface *interface,
|
|
const struct usb_device_id *id)
|
|
{
|
|
struct zd1201 *zd;
|
|
struct usb_device *usb;
|
|
int err;
|
|
short porttype;
|
|
char buf[IW_ESSID_MAX_SIZE+2];
|
|
|
|
usb = interface_to_usbdev(interface);
|
|
|
|
zd = kzalloc(sizeof(struct zd1201), GFP_KERNEL);
|
|
if (!zd)
|
|
return -ENOMEM;
|
|
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)
|
|
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;
|
|
|
|
zd->dev = alloc_etherdev(0);
|
|
if (!zd->dev)
|
|
goto err_start;
|
|
|
|
zd->dev->priv = zd;
|
|
zd->dev->open = zd1201_net_open;
|
|
zd->dev->stop = zd1201_net_stop;
|
|
zd->dev->get_stats = zd1201_get_stats;
|
|
zd->dev->wireless_handlers =
|
|
(struct iw_handler_def *)&zd1201_iw_handlers;
|
|
zd->dev->hard_start_xmit = zd1201_hard_start_xmit;
|
|
zd->dev->watchdog_timeo = ZD1201_TX_TIMEOUT;
|
|
zd->dev->tx_timeout = zd1201_tx_timeout;
|
|
zd->dev->set_multicast_list = zd1201_set_multicast;
|
|
zd->dev->set_mac_address = zd1201_set_mac_address;
|
|
strcpy(zd->dev->name, "wlan%d");
|
|
|
|
err = zd1201_getconfig(zd, ZD1201_RID_CNFOWNMACADDR,
|
|
zd->dev->dev_addr, zd->dev->addr_len);
|
|
if (err)
|
|
goto err_net;
|
|
|
|
/* 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_net;
|
|
|
|
if (zd->ap)
|
|
porttype = ZD1201_PORTTYPE_AP;
|
|
else
|
|
porttype = ZD1201_PORTTYPE_BSS;
|
|
err = zd1201_setconfig16(zd, ZD1201_RID_CNFPORTTYPE, porttype);
|
|
if (err)
|
|
goto err_net;
|
|
|
|
SET_NETDEV_DEV(zd->dev, &usb->dev);
|
|
|
|
err = register_netdev(zd->dev);
|
|
if (err)
|
|
goto err_net;
|
|
dev_info(&usb->dev, "%s: ZD1201 USB Wireless interface\n",
|
|
zd->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_net:
|
|
free_netdev(zd->dev);
|
|
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);
|
|
kfree(zd);
|
|
return err;
|
|
}
|
|
|
|
static void zd1201_disconnect(struct usb_interface *interface)
|
|
{
|
|
struct zd1201 *zd=(struct zd1201 *)usb_get_intfdata(interface);
|
|
struct hlist_node *node, *node2;
|
|
struct zd1201_frag *frag;
|
|
|
|
if (!zd)
|
|
return;
|
|
usb_set_intfdata(interface, NULL);
|
|
if (zd->dev) {
|
|
unregister_netdev(zd->dev);
|
|
free_netdev(zd->dev);
|
|
}
|
|
|
|
hlist_for_each_entry_safe(frag, node, 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);
|
|
}
|
|
kfree(zd);
|
|
}
|
|
|
|
#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,
|
|
};
|
|
|
|
static int __init zd1201_init(void)
|
|
{
|
|
return usb_register(&zd1201_usb);
|
|
}
|
|
|
|
static void __exit zd1201_cleanup(void)
|
|
{
|
|
usb_deregister(&zd1201_usb);
|
|
}
|
|
|
|
module_init(zd1201_init);
|
|
module_exit(zd1201_cleanup);
|