diff options
Diffstat (limited to 'drivers/usb/net/zd1201.c')
| -rw-r--r-- | drivers/usb/net/zd1201.c | 1944 |
1 files changed, 0 insertions, 1944 deletions
diff --git a/drivers/usb/net/zd1201.c b/drivers/usb/net/zd1201.c deleted file mode 100644 index 9b1e4ed..0000000 --- a/drivers/usb/net/zd1201.c +++ /dev/null @@ -1,1944 +0,0 @@ -/* - * Driver for ZyDAS zd1201 based wireless USB devices. - * - * Copyright (c) 2004, 2005 Jeroen Vreeken (pe1rxq@amsat.org) - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * version 2 as published by the Free Software Foundation. - * - * Parts of this driver have been derived from a wlan-ng version - * modified by ZyDAS. They also made documentation available, thanks! - * Copyright (C) 1999 AbsoluteValue Systems, Inc. All Rights Reserved. - */ - -#include <linux/module.h> -#include <linux/usb.h> -#include <linux/netdevice.h> -#include <linux/etherdevice.h> -#include <linux/wireless.h> -#include <net/iw_handler.h> -#include <linux/string.h> -#include <linux/if_arp.h> -#include <linux/firmware.h> -#include <net/ieee80211.h> -#include "zd1201.h" - -static struct usb_device_id zd1201_table[] = { - {USB_DEVICE(0x0586, 0x3400)}, /* Peabird Wireless USB Adapter */ - {USB_DEVICE(0x0ace, 0x1201)}, /* ZyDAS ZD1201 Wireless USB Adapter */ - {USB_DEVICE(0x050d, 0x6051)}, /* Belkin F5D6051 usb adapter */ - {USB_DEVICE(0x0db0, 0x6823)}, /* MSI UB11B usb adapter */ - {USB_DEVICE(0x1044, 0x8005)}, /* GIGABYTE GN-WLBZ201 usb adapter */ - {} -}; - -static int ap = 0; /* Are we an AP or a normal station? */ - -#define ZD1201_VERSION "0.15" - -MODULE_AUTHOR("Jeroen Vreeken <pe1rxq@amsat.org>"); -MODULE_DESCRIPTION("Driver for ZyDAS ZD1201 based USB Wireless adapters"); -MODULE_VERSION(ZD1201_VERSION); -MODULE_LICENSE("GPL"); -module_param(ap, int, 0); -MODULE_PARM_DESC(ap, "If non-zero Access Point firmware will be loaded"); -MODULE_DEVICE_TABLE(usb, zd1201_table); - - -static int zd1201_fw_upload(struct usb_device *dev, int apfw) -{ - const struct firmware *fw_entry; - char* data; - unsigned long len; - int err; - unsigned char ret; - char *buf; - char *fwfile; - - if (apfw) - fwfile = "zd1201-ap.fw"; - else - fwfile = "zd1201.fw"; - - err = request_firmware(&fw_entry, fwfile, &dev->dev); - if (err) { - dev_err(&dev->dev, "Failed to load %s firmware file!\n", fwfile); - dev_err(&dev->dev, "Make sure the hotplug firmware loader is installed.\n"); - dev_err(&dev->dev, "Goto http://linux-lc100020.sourceforge.net for more info\n"); - return err; - } - - data = fw_entry->data; - len = fw_entry->size; - - buf = kmalloc(1024, GFP_ATOMIC); - if (!buf) - goto exit; - - while (len > 0) { - int translen = (len > 1024) ? 1024 : len; - memcpy(buf, data, translen); - - err = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), 0, - USB_DIR_OUT | 0x40, 0, 0, buf, translen, - ZD1201_FW_TIMEOUT); - if (err < 0) - goto exit; - - len -= translen; - data += translen; - } - - err = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), 0x2, - USB_DIR_OUT | 0x40, 0, 0, NULL, 0, ZD1201_FW_TIMEOUT); - if (err < 0) - goto exit; - - err = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), 0x4, - USB_DIR_IN | 0x40, 0,0, &ret, sizeof(ret), ZD1201_FW_TIMEOUT); - if (err < 0) - goto exit; - - if (ret & 0x80) { - err = -EIO; - goto exit; - } - - err = 0; -exit: - kfree(buf); - release_firmware(fw_entry); - return err; -} - -static void zd1201_usbfree(struct urb *urb, struct pt_regs *regs) -{ - struct zd1201 *zd = urb->context; - - switch(urb->status) { - case -EILSEQ: - case -ENODEV: - case -ETIMEDOUT: - case -ENOENT: - case -EPIPE: - case -EOVERFLOW: - case -ESHUTDOWN: - dev_warn(&zd->usb->dev, "%s: urb failed: %d\n", - zd->dev->name, urb->status); - } - - kfree(urb->transfer_buffer); - usb_free_urb(urb); - return; -} - -/* cmdreq message: - u32 type - u16 cmd - u16 parm0 - u16 parm1 - u16 parm2 - u8 pad[4] - - total: 4 + 2 + 2 + 2 + 2 + 4 = 16 -*/ -static int zd1201_docmd(struct zd1201 *zd, int cmd, int parm0, - int parm1, int parm2) -{ - unsigned char *command; - int ret; - struct urb *urb; - - command = kmalloc(16, GFP_ATOMIC); - if (!command) - return -ENOMEM; - - *((__le32*)command) = cpu_to_le32(ZD1201_USB_CMDREQ); - *((__le16*)&command[4]) = cpu_to_le16(cmd); - *((__le16*)&command[6]) = cpu_to_le16(parm0); - *((__le16*)&command[8]) = cpu_to_le16(parm1); - *((__le16*)&command[10])= cpu_to_le16(parm2); - - urb = usb_alloc_urb(0, GFP_ATOMIC); - if (!urb) { - kfree(command); - return -ENOMEM; - } - usb_fill_bulk_urb(urb, zd->usb, usb_sndbulkpipe(zd->usb, zd->endp_out2), - command, 16, zd1201_usbfree, zd); - ret = usb_submit_urb(urb, GFP_ATOMIC); - if (ret) { - kfree(command); - usb_free_urb(urb); - } - - return ret; -} - -/* Callback after sending out a packet */ -static void zd1201_usbtx(struct urb *urb, struct pt_regs *regs) -{ - struct zd1201 *zd = urb->context; - netif_wake_queue(zd->dev); - return; -} - -/* Incoming data */ -static void zd1201_usbrx(struct urb *urb, struct pt_regs *regs) -{ - struct zd1201 *zd = urb->context; - int free = 0; - unsigned char *data = urb->transfer_buffer; - struct sk_buff *skb; - unsigned char type; - - if (!zd) { - free = 1; - goto exit; - } - - switch(urb->status) { - case -EILSEQ: - case -ENODEV: - case -ETIMEDOUT: - case -ENOENT: - case -EPIPE: - case -EOVERFLOW: - case -ESHUTDOWN: - dev_warn(&zd->usb->dev, "%s: rx urb failed: %d\n", - zd->dev->name, urb->status); - free = 1; - goto exit; - } - - if (urb->status != 0 || urb->actual_length == 0) - goto resubmit; - - type = data[0]; - if (type == ZD1201_PACKET_EVENTSTAT || type == ZD1201_PACKET_RESOURCE) { - memcpy(zd->rxdata, data, urb->actual_length); - zd->rxlen = urb->actual_length; - zd->rxdatas = 1; - wake_up(&zd->rxdataq); - } - /* Info frame */ - if (type == ZD1201_PACKET_INQUIRE) { - int i = 0; - unsigned short infotype, framelen, copylen; - framelen = le16_to_cpu(*(__le16*)&data[4]); - infotype = le16_to_cpu(*(__le16*)&data[6]); - - if (infotype == ZD1201_INF_LINKSTATUS) { - short linkstatus; - - linkstatus = le16_to_cpu(*(__le16*)&data[8]); - switch(linkstatus) { - case 1: - netif_carrier_on(zd->dev); - break; - case 2: - netif_carrier_off(zd->dev); - break; - case 3: - netif_carrier_off(zd->dev); - break; - case 4: - netif_carrier_on(zd->dev); - break; - default: - netif_carrier_off(zd->dev); - } - goto resubmit; - } - if (infotype == ZD1201_INF_ASSOCSTATUS) { - short status = le16_to_cpu(*(__le16*)(data+8)); - int event; - union iwreq_data wrqu; - - switch (status) { - case ZD1201_ASSOCSTATUS_STAASSOC: - case ZD1201_ASSOCSTATUS_REASSOC: - event = IWEVREGISTERED; - break; - case ZD1201_ASSOCSTATUS_DISASSOC: - case ZD1201_ASSOCSTATUS_ASSOCFAIL: - case ZD1201_ASSOCSTATUS_AUTHFAIL: - default: - event = IWEVEXPIRED; - } - memcpy(wrqu.addr.sa_data, data+10, ETH_ALEN); - wrqu.addr.sa_family = ARPHRD_ETHER; - - /* Send event to user space */ - wireless_send_event(zd->dev, event, &wrqu, NULL); - - goto resubmit; - } - if (infotype == ZD1201_INF_AUTHREQ) { - union iwreq_data wrqu; - - memcpy(wrqu.addr.sa_data, data+8, ETH_ALEN); - wrqu.addr.sa_family = ARPHRD_ETHER; - /* There isn't a event that trully fits this request. - We assume that userspace will be smart enough to - see a new station being expired and sends back a - authstation ioctl to authorize it. */ - wireless_send_event(zd->dev, IWEVEXPIRED, &wrqu, NULL); - goto resubmit; - } - /* Other infotypes are handled outside this handler */ - zd->rxlen = 0; - while (i < urb->actual_length) { - copylen = le16_to_cpu(*(__le16*)&data[i+2]); - /* Sanity check, sometimes we get junk */ - if (copylen+zd->rxlen > sizeof(zd->rxdata)) - break; - memcpy(zd->rxdata+zd->rxlen, data+i+4, copylen); - zd->rxlen += copylen; - i += 64; - } - if (i >= urb->actual_length) { - zd->rxdatas = 1; - wake_up(&zd->rxdataq); - } - goto resubmit; - } - /* Actual data */ - if (data[urb->actual_length-1] == ZD1201_PACKET_RXDATA) { - int datalen = urb->actual_length-1; - unsigned short len, fc, seq; - struct hlist_node *node; - - len = ntohs(*(__be16 *)&data[datalen-2]); - if (len>datalen) - len=datalen; - fc = le16_to_cpu(*(__le16 *)&data[datalen-16]); - seq = le16_to_cpu(*(__le16 *)&data[datalen-24]); - - if(zd->monitor) { - if (datalen < 24) - goto resubmit; - if (!(skb = dev_alloc_skb(datalen+24))) - goto resubmit; - - memcpy(skb_put(skb, 2), &data[datalen-16], 2); - memcpy(skb_put(skb, 2), &data[datalen-2], 2); - memcpy(skb_put(skb, 6), &data[datalen-14], 6); - memcpy(skb_put(skb, 6), &data[datalen-22], 6); - memcpy(skb_put(skb, 6), &data[datalen-8], 6); - memcpy(skb_put(skb, 2), &data[datalen-24], 2); - memcpy(skb_put(skb, len), data, len); - skb->dev = zd->dev; - skb->dev->last_rx = jiffies; - skb->protocol = eth_type_trans(skb, zd->dev); - zd->stats.rx_packets++; - zd->stats.rx_bytes += skb->len; - netif_rx(skb); - goto resubmit; - } - - if ((seq & IEEE80211_SCTL_FRAG) || - (fc & IEEE80211_FCTL_MOREFRAGS)) { - struct zd1201_frag *frag = NULL; - char *ptr; - - if (datalen<14) - goto resubmit; - if ((seq & IEEE80211_SCTL_FRAG) == 0) { - frag = kmalloc(sizeof(*frag), GFP_ATOMIC); - if (!frag) - goto resubmit; - skb = dev_alloc_skb(IEEE80211_DATA_LEN +14+2); - if (!skb) { - kfree(frag); - goto resubmit; - } - frag->skb = skb; - frag->seq = seq & IEEE80211_SCTL_SEQ; - skb_reserve(skb, 2); - memcpy(skb_put(skb, 12), &data[datalen-14], 12); - memcpy(skb_put(skb, 2), &data[6], 2); - memcpy(skb_put(skb, len), data+8, len); - hlist_add_head(&frag->fnode, &zd->fraglist); - goto resubmit; - } - hlist_for_each_entry(frag, node, &zd->fraglist, fnode) - if(frag->seq == (seq&IEEE80211_SCTL_SEQ)) - break; - if (!frag) - goto resubmit; - skb = frag->skb; - ptr = skb_put(skb, len); - if (ptr) - memcpy(ptr, data+8, len); - if (fc & IEEE80211_FCTL_MOREFRAGS) - goto resubmit; - hlist_del_init(&frag->fnode); - kfree(frag); - /* Fallthrough */ - } else { - if (datalen<14) - goto resubmit; - skb = dev_alloc_skb(len + 14 + 2); - if (!skb) - goto resubmit; - skb_reserve(skb, 2); - memcpy(skb_put(skb, 12), &data[datalen-14], 12); - memcpy(skb_put(skb, 2), &data[6], 2); - memcpy(skb_put(skb, len), data+8, len); - } - skb->dev = zd->dev; - skb->dev->last_rx = jiffies; - skb->protocol = eth_type_trans(skb, zd->dev); - zd->stats.rx_packets++; - zd->stats.rx_bytes += skb->len; - netif_rx(skb); - } -resubmit: - memset(data, 0, ZD1201_RXSIZE); - - urb->status = 0; - urb->dev = zd->usb; - if(usb_submit_urb(urb, GFP_ATOMIC)) - free = 1; - -exit: - if (free) { - zd->rxlen = 0; - zd->rxdatas = 1; - wake_up(&zd->rxdataq); - kfree(urb->transfer_buffer); - } - return; -} - -static int zd1201_getconfig(struct zd1201 *zd, int rid, void *riddata, - unsigned int riddatalen) -{ - int err; - int i = 0; - int code; - int rid_fid; - int length; - unsigned char *pdata; - - zd->rxdatas = 0; - err = zd1201_docmd(zd, ZD1201_CMDCODE_ACCESS, rid, 0, 0); - if (err) - return err; - - wait_event_interruptible(zd->rxdataq, zd->rxdatas); - if (!zd->rxlen) - return -EIO; - - code = le16_to_cpu(*(__le16*)(&zd->rxdata[4])); - rid_fid = le16_to_cpu(*(__le16*)(&zd->rxdata[6])); - length = le16_to_cpu(*(__le16*)(&zd->rxdata[8])); - if (length > zd->rxlen) - length = zd->rxlen-6; - - /* If access bit is not on, then error */ - if ((code & ZD1201_ACCESSBIT) != ZD1201_ACCESSBIT || rid_fid != rid ) - 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", - 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 = (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; - - memcpy(txbuf+6, skb->data+12, skb->len-12); - if (pad) - txbuf[skb->len-12+6]=0; - memcpy(txbuf+skb->len-12+6+pad, skb->data, 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(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(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(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(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(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(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(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-1; - 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: - err = zd1201_setconfig16(zd, ZD1201_RID_CNFPMENABLED, enabled); - if (err) - return err; - - return 0; -} - -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; - int err; - - if (!zd->ap) - return -EOPNOTSUPP; - - err = zd1201_setconfig16(zd, ZD1201_RID_CNFHOSTAUTH, rrq->value); - if (err) - return err; - return 0; -} - -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 i, 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; - - for(i = 0; i<100; i++) - udelay(1000); - - 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); - 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: - if (zd->tx_urb) - usb_free_urb(zd->tx_urb); - if (zd->rx_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); |
