| // SPDX-License-Identifier: GPL-2.0-only |
| /* |
| * Driver for ZyDAS zd1201 based wireless USB devices. |
| * |
| * Copyright (c) 2004, 2005 Jeroen Vreeken (pe1rxq@amsat.org) |
| * |
| * 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/slab.h> |
| #include <linux/netdevice.h> |
| #include <linux/etherdevice.h> |
| #include <linux/wireless.h> |
| #include <net/cfg80211.h> |
| #include <net/iw_handler.h> |
| #include <linux/string.h> |
| #include <linux/if_arp.h> |
| #include <linux/firmware.h> |
| #include "zd1201.h" |
| |
| static const 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, 0x8004)}, /* Gigabyte GN-WLBZ101 */ |
| {USB_DEVICE(0x1044, 0x8005)}, /* GIGABYTE GN-WLBZ201 usb adapter */ |
| {} |
| }; |
| |
| static int ap; /* 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; |
| const 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) { |
| err = -ENOMEM; |
| 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, buf, sizeof(ret), ZD1201_FW_TIMEOUT); |
| if (err < 0) |
| goto exit; |
| |
| memcpy(&ret, buf, sizeof(ret)); |
| |
| if (ret & 0x80) { |
| err = -EIO; |
| goto exit; |
| } |
| |
| err = 0; |
| exit: |
| kfree(buf); |
| release_firmware(fw_entry); |
| return err; |
| } |
| |
| MODULE_FIRMWARE("zd1201-ap.fw"); |
| MODULE_FIRMWARE("zd1201.fw"); |
| |
| static void zd1201_usbfree(struct urb *urb) |
| { |
| struct zd1201 *zd = urb->context; |
| |
| switch(urb->status) { |
| case -EILSEQ: |
| case -ENODEV: |
| case -ETIME: |
| 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); |
| } |
| |
| /* 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 zd1201 *zd = urb->context; |
| netif_wake_queue(zd->dev); |
| } |
| |
| /* Incoming data */ |
| static void zd1201_usbrx(struct urb *urb) |
| { |
| struct zd1201 *zd = urb->context; |
| int free = 0; |
| unsigned char *data = urb->transfer_buffer; |
| struct sk_buff *skb; |
| unsigned char type; |
| |
| if (!zd) |
| return; |
| |
| switch(urb->status) { |
| case -EILSEQ: |
| case -ENODEV: |
| case -ETIME: |
| 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, copylen; |
| 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; |
| |
| 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; |
| |
| skb_put_data(skb, &data[datalen - 16], 2); |
| skb_put_data(skb, &data[datalen - 2], 2); |
| skb_put_data(skb, &data[datalen - 14], 6); |
| skb_put_data(skb, &data[datalen - 22], 6); |
| skb_put_data(skb, &data[datalen - 8], 6); |
| skb_put_data(skb, &data[datalen - 24], 2); |
| skb_put_data(skb, data, len); |
| skb->protocol = eth_type_trans(skb, zd->dev); |
| zd->dev->stats.rx_packets++; |
| zd->dev->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_MAX_DATA_LEN +14+2); |
| if (!skb) { |
| kfree(frag); |
| goto resubmit; |
| } |
| frag->skb = skb; |
| frag->seq = seq & IEEE80211_SCTL_SEQ; |
| skb_reserve(skb, 2); |
| skb_put_data(skb, &data[datalen - 14], 12); |
| skb_put_data(skb, &data[6], 2); |
| skb_put_data(skb, data + 8, len); |
| hlist_add_head(&frag->fnode, &zd->fraglist); |
| goto resubmit; |
| } |
| hlist_for_each_entry(frag, &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); |
| } else { |
| if (datalen<14) |
| goto resubmit; |
| skb = dev_alloc_skb(len + 14 + 2); |
| if (!skb) |
| goto resubmit; |
| skb_reserve(skb, 2); |
| skb_put_data(skb, &data[datalen - 14], 12); |
| skb_put_data(skb, &data[6], 2); |
| skb_put_data(skb, data + 8, len); |
| } |
| skb->protocol = eth_type_trans(skb, zd->dev); |
| zd->dev->stats.rx_packets++; |
| zd->dev->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); |
| } |
| } |
| |
| 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 = netdev_priv(dev); |
| |
| /* Start MAC with wildcard if no essid set */ |
| if (!zd->mac_enabled) |
| zd1201_join(zd, zd->essid, zd->essidlen); |
| netif_start_queue(dev); |
| |
| return 0; |
| } |
| |
| static int zd1201_net_stop(struct net_device *dev) |
| { |
| netif_stop_queue(dev); |
| return 0; |
| } |
| |
| /* |
| RFC 1042 encapsulates Ethernet frames in 802.11 frames |
| by prefixing them with 0xaa, 0xaa, 0x03) followed by a SNAP OID of 0 |
| (0x00, 0x00, 0x00). Zd requires an additional padding, copy |
| of ethernet addresses, length of the standard RFC 1042 packet |
| and a command byte (which is nul for tx). |
| |
| tx frame (from Wlan NG): |
| RFC 1042: |
| llc 0xAA 0xAA 0x03 (802.2 LLC) |
| snap 0x00 0x00 0x00 (Ethernet encapsulated) |
| type 2 bytes, Ethernet type field |
| payload (minus eth header) |
| Zydas specific: |
| padding 1B if (skb->len+8+1)%64==0 |
| Eth MAC addr 12 bytes, Ethernet MAC addresses |
| length 2 bytes, RFC 1042 packet length |
| (llc+snap+type+payload) |
| zd 1 null byte, zd1201 packet type |
| */ |
| static netdev_tx_t zd1201_hard_start_xmit(struct sk_buff *skb, |
| struct net_device *dev) |
| { |
| struct zd1201 *zd = netdev_priv(dev); |
| unsigned char *txbuf = zd->txdata; |
| int txbuflen, pad = 0, err; |
| struct urb *urb = zd->tx_urb; |
| |
| if (!zd->mac_enabled || zd->monitor) { |
| dev->stats.tx_dropped++; |
| kfree_skb(skb); |
| return NETDEV_TX_OK; |
| } |
| netif_stop_queue(dev); |
| |
| txbuflen = skb->len + 8 + 1; |
| if (txbuflen%64 == 0) { |
| pad = 1; |
| txbuflen++; |
| } |
| txbuf[0] = 0xAA; |
| txbuf[1] = 0xAA; |
| txbuf[2] = 0x03; |
| txbuf[3] = 0x00; /* rfc1042 */ |
| txbuf[4] = 0x00; |
| txbuf[5] = 0x00; |
| |
| skb_copy_from_linear_data_offset(skb, 12, txbuf + 6, skb->len - 12); |
| if (pad) |
| txbuf[skb->len-12+6]=0; |
| skb_copy_from_linear_data(skb, txbuf + skb->len - 12 + 6 + pad, 12); |
| *(__be16*)&txbuf[skb->len+6+pad] = htons(skb->len-12+6); |
| txbuf[txbuflen-1] = 0; |
| |
| usb_fill_bulk_urb(urb, zd->usb, usb_sndbulkpipe(zd->usb, zd->endp_out), |
| txbuf, txbuflen, zd1201_usbtx, zd); |
| |
| err = usb_submit_urb(zd->tx_urb, GFP_ATOMIC); |
| if (err) { |
| dev->stats.tx_errors++; |
| netif_start_queue(dev); |
| } else { |
| dev->stats.tx_packets++; |
| dev->stats.tx_bytes += skb->len; |
| } |
| kfree_skb(skb); |
| |
| return NETDEV_TX_OK; |
| } |
| |
| static void zd1201_tx_timeout(struct net_device *dev) |
| { |
| struct zd1201 *zd = netdev_priv(dev); |
| |
| if (!zd) |
| return; |
| dev_warn(&zd->usb->dev, "%s: TX timeout, shooting down urb\n", |
| dev->name); |
| usb_unlink_urb(zd->tx_urb); |
| dev->stats.tx_errors++; |
| /* Restart the timeout to quiet the watchdog: */ |
| netif_trans_update(dev); /* prevent tx timeout */ |
| } |
| |
| static int zd1201_set_mac_address(struct net_device *dev, void *p) |
| { |
| struct sockaddr *addr = p; |
| struct zd1201 *zd = netdev_priv(dev); |
| int err; |
| |
| if (!zd) |
| return -ENODEV; |
| |
| err = zd1201_setconfig(zd, ZD1201_RID_CNFOWNMACADDR, |
| addr->sa_data, dev->addr_len, 1); |
| if (err) |
| return err; |
| memcpy(dev->dev_addr, addr->sa_data, dev->addr_len); |
| |
| return zd1201_mac_reset(zd); |
| } |
| |
| static struct iw_statistics *zd1201_get_wireless_stats(struct net_device *dev) |
| { |
| struct zd1201 *zd = netdev_priv(dev); |
| |
| return &zd->iwstats; |
| } |
| |
| static void zd1201_set_multicast(struct net_device *dev) |
| { |
| struct zd1201 *zd = netdev_priv(dev); |
| struct netdev_hw_addr *ha; |
| unsigned char reqbuf[ETH_ALEN*ZD1201_MAXMULTI]; |
| int i; |
| |
| if (netdev_mc_count(dev) > ZD1201_MAXMULTI) |
| return; |
| |
| i = 0; |
| netdev_for_each_mc_addr(ha, dev) |
| memcpy(reqbuf + i++ * ETH_ALEN, ha->addr, ETH_ALEN); |
| zd1201_setconfig(zd, ZD1201_RID_CNFGROUPADDRESS, reqbuf, |
| netdev_mc_count(dev) * ETH_ALEN, 0); |
| } |
| |
| static int zd1201_config_commit(struct net_device *dev, |
| struct iw_request_info *info, struct iw_point *data, char *essid) |
| { |
| struct zd1201 *zd = netdev_priv(dev); |
| |
| return zd1201_mac_reset(zd); |
| } |
| |
| static int zd1201_get_name(struct net_device *dev, |
| struct iw_request_info *info, char *name, char *extra) |
| { |
| strcpy(name, "IEEE 802.11b"); |
| return 0; |
| } |
| |
| static int zd1201_set_freq(struct net_device *dev, |
| struct iw_request_info *info, struct iw_freq *freq, char *extra) |
| { |
| struct zd1201 *zd = netdev_priv(dev); |
| short channel = 0; |
| int err; |
| |
| if (freq->e == 0) |
| channel = freq->m; |
| else |
| channel = ieee80211_frequency_to_channel(freq->m); |
| |
| err = zd1201_setconfig16(zd, ZD1201_RID_CNFOWNCHANNEL, channel); |
| if (err) |
| return err; |
| |
| zd1201_mac_reset(zd); |
| |
| return 0; |
| } |
| |
| static int zd1201_get_freq(struct net_device *dev, |
| struct iw_request_info *info, struct iw_freq *freq, char *extra) |
| { |
| struct zd1201 *zd = netdev_priv(dev); |
| short channel; |
| int err; |
| |
| err = zd1201_getconfig16(zd, ZD1201_RID_CNFOWNCHANNEL, &channel); |
| if (err) |
| return err; |
| freq->e = 0; |
| freq->m = channel; |
| |
| return 0; |
| } |
| |
| static int zd1201_set_mode(struct net_device *dev, |
| struct iw_request_info *info, __u32 *mode, char *extra) |
| { |
| struct zd1201 *zd = netdev_priv(dev); |
| short porttype, monitor = 0; |
| unsigned char buffer[IW_ESSID_MAX_SIZE+2]; |
| int err; |
| |
| if (zd->ap) { |
| if (*mode != IW_MODE_MASTER) |
| return -EINVAL; |
| return 0; |
| } |
| |
| err = zd1201_setconfig16(zd, ZD1201_RID_PROMISCUOUSMODE, 0); |
| if (err) |
| return err; |
| zd->dev->type = ARPHRD_ETHER; |
| switch(*mode) { |
| case IW_MODE_MONITOR: |
| monitor = 1; |
| zd->dev->type = ARPHRD_IEEE80211; |
| /* Make sure we are no longer associated with by |
| setting an 'impossible' essid. |
| (otherwise we mess up firmware) |
| */ |
| zd1201_join(zd, "\0-*#\0", 5); |
| /* Put port in pIBSS */ |
| /* Fall through */ |
| case 8: /* No pseudo-IBSS in wireless extensions (yet) */ |
| porttype = ZD1201_PORTTYPE_PSEUDOIBSS; |
| break; |
| case IW_MODE_ADHOC: |
| porttype = ZD1201_PORTTYPE_IBSS; |
| break; |
| case IW_MODE_INFRA: |
| porttype = ZD1201_PORTTYPE_BSS; |
| break; |
| default: |
| return -EINVAL; |
| } |
| |
| err = zd1201_setconfig16(zd, ZD1201_RID_CNFPORTTYPE, porttype); |
| if (err) |
| return err; |
| if (zd->monitor && !monitor) { |
| zd1201_disable(zd); |
| *(__le16 *)buffer = cpu_to_le16(zd->essidlen); |
| memcpy(buffer+2, zd->essid, zd->essidlen); |
| err = zd1201_setconfig(zd, ZD1201_RID_CNFDESIREDSSID, |
| buffer, IW_ESSID_MAX_SIZE+2, 1); |
| if (err) |
| return err; |
| } |
| zd->monitor = monitor; |
| /* If monitor mode is set we don't actually turn it on here since it |
| * is done during mac reset anyway (see zd1201_mac_enable). |
| */ |
| zd1201_mac_reset(zd); |
| |
| return 0; |
| } |
| |
| static int zd1201_get_mode(struct net_device *dev, |
| struct iw_request_info *info, __u32 *mode, char *extra) |
| { |
| struct zd1201 *zd = netdev_priv(dev); |
| short porttype; |
| int err; |
| |
| err = zd1201_getconfig16(zd, ZD1201_RID_CNFPORTTYPE, &porttype); |
| if (err) |
| return err; |
| switch(porttype) { |
| case ZD1201_PORTTYPE_IBSS: |
| *mode = IW_MODE_ADHOC; |
| break; |
| case ZD1201_PORTTYPE_BSS: |
| *mode = IW_MODE_INFRA; |
| break; |
| case ZD1201_PORTTYPE_WDS: |
| *mode = IW_MODE_REPEAT; |
| break; |
| case ZD1201_PORTTYPE_PSEUDOIBSS: |
| *mode = 8;/* No Pseudo-IBSS... */ |
| break; |
| case ZD1201_PORTTYPE_AP: |
| *mode = IW_MODE_MASTER; |
| break; |
| default: |
| dev_dbg(&zd->usb->dev, "Unknown porttype: %d\n", |
| porttype); |
| *mode = IW_MODE_AUTO; |
| } |
| if (zd->monitor) |
| *mode = IW_MODE_MONITOR; |
| |
| return 0; |
| } |
| |
| static int zd1201_get_range(struct net_device *dev, |
| struct iw_request_info *info, struct iw_point *wrq, char *extra) |
| { |
| struct iw_range *range = (struct iw_range *)extra; |
| |
| wrq->length = sizeof(struct iw_range); |
| memset(range, 0, sizeof(struct iw_range)); |
| range->we_version_compiled = WIRELESS_EXT; |
| range->we_version_source = WIRELESS_EXT; |
| |
| range->max_qual.qual = 128; |
| range->max_qual.level = 128; |
| range->max_qual.noise = 128; |
| range->max_qual.updated = 7; |
| |
| range->encoding_size[0] = 5; |
| range->encoding_size[1] = 13; |
| range->num_encoding_sizes = 2; |
| range->max_encoding_tokens = ZD1201_NUMKEYS; |
| |
| range->num_bitrates = 4; |
| range->bitrate[0] = 1000000; |
| range->bitrate[1] = 2000000; |
| range->bitrate[2] = 5500000; |
| range->bitrate[3] = 11000000; |
| |
| range->min_rts = 0; |
| range->min_frag = ZD1201_FRAGMIN; |
| range->max_rts = ZD1201_RTSMAX; |
| range->min_frag = ZD1201_FRAGMAX; |
| |
| return 0; |
| } |
| |
| /* Little bit of magic here: we only get the quality if we poll |
| * for it, and we never get an actual request to trigger such |
| * a poll. Therefore we 'assume' that the user will soon ask for |
| * the stats after asking the bssid. |
| */ |
| static int zd1201_get_wap(struct net_device *dev, |
| struct iw_request_info *info, struct sockaddr *ap_addr, char *extra) |
| { |
| struct zd1201 *zd = netdev_priv(dev); |
| unsigned char buffer[6]; |
| |
| if (!zd1201_getconfig(zd, ZD1201_RID_COMMSQUALITY, buffer, 6)) { |
| /* Unfortunately the quality and noise reported is useless. |
| they seem to be accumulators that increase until you |
| read them, unless we poll on a fixed interval we can't |
| use them |
| */ |
| /*zd->iwstats.qual.qual = le16_to_cpu(((__le16 *)buffer)[0]);*/ |
| zd->iwstats.qual.level = le16_to_cpu(((__le16 *)buffer)[1]); |
| /*zd->iwstats.qual.noise = le16_to_cpu(((__le16 *)buffer)[2]);*/ |
| zd->iwstats.qual.updated = 2; |
| } |
| |
| return zd1201_getconfig(zd, ZD1201_RID_CURRENTBSSID, ap_addr->sa_data, 6); |
| } |
| |
| static int zd1201_set_scan(struct net_device *dev, |
| struct iw_request_info *info, struct iw_point *srq, char *extra) |
| { |
| /* We do everything in get_scan */ |
| return 0; |
| } |
| |
| static int zd1201_get_scan(struct net_device *dev, |
| struct iw_request_info *info, struct iw_point *srq, char *extra) |
| { |
| struct zd1201 *zd = netdev_priv(dev); |
| int err, i, j, enabled_save; |
| struct iw_event iwe; |
| char *cev = extra; |
| char *end_buf = extra + IW_SCAN_MAX_DATA; |
| |
| /* No scanning in AP mode */ |
| if (zd->ap) |
| return -EOPNOTSUPP; |
| |
| /* Scan doesn't seem to work if disabled */ |
| enabled_save = zd->mac_enabled; |
| zd1201_enable(zd); |
| |
| zd->rxdatas = 0; |
| err = zd1201_docmd(zd, ZD1201_CMDCODE_INQUIRE, |
| ZD1201_INQ_SCANRESULTS, 0, 0); |
| if (err) |
| return err; |
| |
| wait_event_interruptible(zd->rxdataq, zd->rxdatas); |
| if (!zd->rxlen) |
| return -EIO; |
| |
| if (le16_to_cpu(*(__le16*)&zd->rxdata[2]) != ZD1201_INQ_SCANRESULTS) |
| return -EIO; |
| |
| for(i=8; i<zd->rxlen; i+=62) { |
| iwe.cmd = SIOCGIWAP; |
| iwe.u.ap_addr.sa_family = ARPHRD_ETHER; |
| memcpy(iwe.u.ap_addr.sa_data, zd->rxdata+i+6, 6); |
| cev = iwe_stream_add_event(info, cev, end_buf, |
| &iwe, IW_EV_ADDR_LEN); |
| |
| iwe.cmd = SIOCGIWESSID; |
| iwe.u.data.length = zd->rxdata[i+16]; |
| iwe.u.data.flags = 1; |
| cev = iwe_stream_add_point(info, cev, end_buf, |
| &iwe, zd->rxdata+i+18); |
| |
| iwe.cmd = SIOCGIWMODE; |
| if (zd->rxdata[i+14]&0x01) |
| iwe.u.mode = IW_MODE_MASTER; |
| else |
| iwe.u.mode = IW_MODE_ADHOC; |
| cev = iwe_stream_add_event(info, cev, end_buf, |
| &iwe, IW_EV_UINT_LEN); |
| |
| iwe.cmd = SIOCGIWFREQ; |
| iwe.u.freq.m = zd->rxdata[i+0]; |
| iwe.u.freq.e = 0; |
| cev = iwe_stream_add_event(info, cev, end_buf, |
| &iwe, IW_EV_FREQ_LEN); |
| |
| iwe.cmd = SIOCGIWRATE; |
| iwe.u.bitrate.fixed = 0; |
| iwe.u.bitrate.disabled = 0; |
| for (j=0; j<10; j++) if (zd->rxdata[i+50+j]) { |
| iwe.u.bitrate.value = (zd->rxdata[i+50+j]&0x7f)*500000; |
| cev = iwe_stream_add_event(info, cev, end_buf, |
| &iwe, IW_EV_PARAM_LEN); |
| } |
| |
| iwe.cmd = SIOCGIWENCODE; |
| iwe.u.data.length = 0; |
| if (zd->rxdata[i+14]&0x10) |
| iwe.u.data.flags = IW_ENCODE_ENABLED; |
| else |
| iwe.u.data.flags = IW_ENCODE_DISABLED; |
| cev = iwe_stream_add_point(info, cev, end_buf, &iwe, NULL); |
| |
| iwe.cmd = IWEVQUAL; |
| iwe.u.qual.qual = zd->rxdata[i+4]; |
| iwe.u.qual.noise= zd->rxdata[i+2]/10-100; |
| iwe.u.qual.level = (256+zd->rxdata[i+4]*100)/255-100; |
| iwe.u.qual.updated = 7; |
| cev = iwe_stream_add_event(info, cev, end_buf, |
| &iwe, IW_EV_QUAL_LEN); |
| } |
| |
| if (!enabled_save) |
| zd1201_disable(zd); |
| |
| srq->length = cev - extra; |
| srq->flags = 0; |
| |
| return 0; |
| } |
| |
| static int zd1201_set_essid(struct net_device *dev, |
| struct iw_request_info *info, struct iw_point *data, char *essid) |
| { |
| struct zd1201 *zd = netdev_priv(dev); |
| |
| if (data->length > IW_ESSID_MAX_SIZE) |
| return -EINVAL; |
| if (data->length < 1) |
| data->length = 1; |
| zd->essidlen = data->length; |
| memset(zd->essid, 0, IW_ESSID_MAX_SIZE+1); |
| memcpy(zd->essid, essid, data->length); |
| return zd1201_join(zd, zd->essid, zd->essidlen); |
| } |
| |
| static int zd1201_get_essid(struct net_device *dev, |
| struct iw_request_info *info, struct iw_point *data, char *essid) |
| { |
| struct zd1201 *zd = netdev_priv(dev); |
| |
| memcpy(essid, zd->essid, zd->essidlen); |
| data->flags = 1; |
| data->length = zd->essidlen; |
| |
| return 0; |
| } |
| |
| static int zd1201_get_nick(struct net_device *dev, struct iw_request_info *info, |
| struct iw_point *data, char *nick) |
| { |
| strcpy(nick, "zd1201"); |
| data->flags = 1; |
| data->length = strlen(nick); |
| return 0; |
| } |
| |
| static int zd1201_set_rate(struct net_device *dev, |
| struct iw_request_info *info, struct iw_param *rrq, char *extra) |
| { |
| struct zd1201 *zd = netdev_priv(dev); |
| short rate; |
| int err; |
| |
| switch (rrq->value) { |
| case 1000000: |
| rate = ZD1201_RATEB1; |
| break; |
| case 2000000: |
| rate = ZD1201_RATEB2; |
| break; |
| case 5500000: |
| rate = ZD1201_RATEB5; |
| break; |
| case 11000000: |
| default: |
| rate = ZD1201_RATEB11; |
| break; |
| } |
| if (!rrq->fixed) { /* Also enable all lower bitrates */ |
| rate |= rate-1; |
| } |
| |
| err = zd1201_setconfig16(zd, ZD1201_RID_TXRATECNTL, rate); |
| if (err) |
| return err; |
| |
| return zd1201_mac_reset(zd); |
| } |
| |
| static int zd1201_get_rate(struct net_device *dev, |
| struct iw_request_info *info, struct iw_param *rrq, char *extra) |
| { |
| struct zd1201 *zd = netdev_priv(dev); |
| short rate; |
| int err; |
| |
| err = zd1201_getconfig16(zd, ZD1201_RID_CURRENTTXRATE, &rate); |
| if (err) |
| return err; |
| |
| switch(rate) { |
| case 1: |
| rrq->value = 1000000; |
| break; |
| case 2: |
| rrq->value = 2000000; |
| break; |
| case 5: |
| rrq->value = 5500000; |
| break; |
| case 11: |
| rrq->value = 11000000; |
| break; |
| default: |
| rrq->value = 0; |
| } |
| rrq->fixed = 0; |
| rrq->disabled = 0; |
| |
| return 0; |
| } |
| |
| static int zd1201_set_rts(struct net_device *dev, struct iw_request_info *info, |
| struct iw_param *rts, char *extra) |
| { |
| struct zd1201 *zd = netdev_priv(dev); |
| int err; |
| short val = rts->value; |
| |
| if (rts->disabled || !rts->fixed) |
| val = ZD1201_RTSMAX; |
| if (val > ZD1201_RTSMAX) |
| return -EINVAL; |
| if (val < 0) |
| return -EINVAL; |
| |
| err = zd1201_setconfig16(zd, ZD1201_RID_CNFRTSTHRESHOLD, val); |
| if (err) |
| return err; |
| return zd1201_mac_reset(zd); |
| } |
| |
| static int zd1201_get_rts(struct net_device *dev, struct iw_request_info *info, |
| struct iw_param *rts, char *extra) |
| { |
| struct zd1201 *zd = netdev_priv(dev); |
| short rtst; |
| int err; |
| |
| err = zd1201_getconfig16(zd, ZD1201_RID_CNFRTSTHRESHOLD, &rtst); |
| if (err) |
| return err; |
| rts->value = rtst; |
| rts->disabled = (rts->value == ZD1201_RTSMAX); |
| rts->fixed = 1; |
| |
| return 0; |
| } |
| |
| static int zd1201_set_frag(struct net_device *dev, struct iw_request_info *info, |
| struct iw_param *frag, char *extra) |
| { |
| struct zd1201 *zd = netdev_priv(dev); |
| int err; |
| short val = frag->value; |
| |
| if (frag->disabled || !frag->fixed) |
| val = ZD1201_FRAGMAX; |
| if (val > ZD1201_FRAGMAX) |
| return -EINVAL; |
| if (val < ZD1201_FRAGMIN) |
| return -EINVAL; |
| if (val & 1) |
| return -EINVAL; |
| err = zd1201_setconfig16(zd, ZD1201_RID_CNFFRAGTHRESHOLD, val); |
| if (err) |
| return err; |
| return zd1201_mac_reset(zd); |
| } |
| |
| static int zd1201_get_frag(struct net_device *dev, struct iw_request_info *info, |
| struct iw_param *frag, char *extra) |
| { |
| struct zd1201 *zd = netdev_priv(dev); |
| short fragt; |
| int err; |
| |
| err = zd1201_getconfig16(zd, ZD1201_RID_CNFFRAGTHRESHOLD, &fragt); |
| if (err) |
| return err; |
| frag->value = fragt; |
| frag->disabled = (frag->value == ZD1201_FRAGMAX); |
| frag->fixed = 1; |
| |
| return 0; |
| } |
| |
| static int zd1201_set_retry(struct net_device *dev, |
| struct iw_request_info *info, struct iw_param *rrq, char *extra) |
| { |
| return 0; |
| } |
| |
| static int zd1201_get_retry(struct net_device *dev, |
| struct iw_request_info *info, struct iw_param *rrq, char *extra) |
| { |
| return 0; |
| } |
| |
| static int zd1201_set_encode(struct net_device *dev, |
| struct iw_request_info *info, struct iw_point *erq, char *key) |
| { |
| struct zd1201 *zd = netdev_priv(dev); |
| short i; |
| int err, rid; |
| |
| if (erq->length > ZD1201_MAXKEYLEN) |
| return -EINVAL; |
| |
| i = (erq->flags & IW_ENCODE_INDEX)-1; |
| if (i == -1) { |
| err = zd1201_getconfig16(zd,ZD1201_RID_CNFDEFAULTKEYID,&i); |
| if (err) |
| return err; |
| } else { |
| err = zd1201_setconfig16(zd, ZD1201_RID_CNFDEFAULTKEYID, i); |
| if (err) |
| return err; |
| } |
| |
| if (i < 0 || i >= ZD1201_NUMKEYS) |
| return -EINVAL; |
| |
| rid = ZD1201_RID_CNFDEFAULTKEY0 + i; |
| err = zd1201_setconfig(zd, rid, key, erq->length, 1); |
| if (err) |
| return err; |
| zd->encode_keylen[i] = erq->length; |
| memcpy(zd->encode_keys[i], key, erq->length); |
| |
| i=0; |
| if (!(erq->flags & IW_ENCODE_DISABLED & IW_ENCODE_MODE)) { |
| i |= 0x01; |
| zd->encode_enabled = 1; |
| } else |
| zd->encode_enabled = 0; |
| if (erq->flags & IW_ENCODE_RESTRICTED & IW_ENCODE_MODE) { |
| i |= 0x02; |
| zd->encode_restricted = 1; |
| } else |
| zd->encode_restricted = 0; |
| err = zd1201_setconfig16(zd, ZD1201_RID_CNFWEBFLAGS, i); |
| if (err) |
| return err; |
| |
| if (zd->encode_enabled) |
| i = ZD1201_CNFAUTHENTICATION_SHAREDKEY; |
| else |
| i = ZD1201_CNFAUTHENTICATION_OPENSYSTEM; |
| err = zd1201_setconfig16(zd, ZD1201_RID_CNFAUTHENTICATION, i); |
| if (err) |
| return err; |
| |
| return zd1201_mac_reset(zd); |
| } |
| |
| static int zd1201_get_encode(struct net_device *dev, |
| struct iw_request_info *info, struct iw_point *erq, char *key) |
| { |
| struct zd1201 *zd = netdev_priv(dev); |
| short i; |
| int err; |
| |
| if (zd->encode_enabled) |
| erq->flags = IW_ENCODE_ENABLED; |
| else |
| erq->flags = IW_ENCODE_DISABLED; |
| if (zd->encode_restricted) |
| erq->flags |= IW_ENCODE_RESTRICTED; |
| else |
| erq->flags |= IW_ENCODE_OPEN; |
| |
| i = (erq->flags & IW_ENCODE_INDEX) -1; |
| if (i == -1) { |
| err = zd1201_getconfig16(zd, ZD1201_RID_CNFDEFAULTKEYID, &i); |
| if (err) |
| return err; |
| } |
| if (i<0 || i>= ZD1201_NUMKEYS) |
| return -EINVAL; |
| |
| erq->flags |= i+1; |
| |
| erq->length = zd->encode_keylen[i]; |
| memcpy(key, zd->encode_keys[i], erq->length); |
| |
| return 0; |
| } |
| |
| static int zd1201_set_power(struct net_device *dev, |
| struct iw_request_info *info, struct iw_param *vwrq, char *extra) |
| { |
| struct zd1201 *zd = netdev_priv(dev); |
| short enabled, duration, level; |
| int err; |
| |
| enabled = vwrq->disabled ? 0 : 1; |
| if (enabled) { |
| if (vwrq->flags & IW_POWER_PERIOD) { |
| duration = vwrq->value; |
| err = zd1201_setconfig16(zd, |
| ZD1201_RID_CNFMAXSLEEPDURATION, duration); |
| if (err) |
| return err; |
| goto out; |
| } |
| if (vwrq->flags & IW_POWER_TIMEOUT) { |
| err = zd1201_getconfig16(zd, |
| ZD1201_RID_CNFMAXSLEEPDURATION, &duration); |
| if (err) |
| return err; |
| level = vwrq->value * 4 / duration; |
| if (level > 4) |
| level = 4; |
| if (level < 0) |
| level = 0; |
| err = zd1201_setconfig16(zd, ZD1201_RID_CNFPMEPS, |
| level); |
| if (err) |
| return err; |
| goto out; |
| } |
| return -EINVAL; |
| } |
| out: |
| return zd1201_setconfig16(zd, ZD1201_RID_CNFPMENABLED, enabled); |
| } |
| |
| static int zd1201_get_power(struct net_device *dev, |
| struct iw_request_info *info, struct iw_param *vwrq, char *extra) |
| { |
| struct zd1201 *zd = netdev_priv(dev); |
| short enabled, level, duration; |
| int err; |
| |
| err = zd1201_getconfig16(zd, ZD1201_RID_CNFPMENABLED, &enabled); |
| if (err) |
| return err; |
| err = zd1201_getconfig16(zd, ZD1201_RID_CNFPMEPS, &level); |
| if (err) |
| return err; |
| err = zd1201_getconfig16(zd, ZD1201_RID_CNFMAXSLEEPDURATION, &duration); |
| if (err) |
| return err; |
| vwrq->disabled = enabled ? 0 : 1; |
| if (vwrq->flags & IW_POWER_TYPE) { |
| if (vwrq->flags & IW_POWER_PERIOD) { |
| vwrq->value = duration; |
| vwrq->flags = IW_POWER_PERIOD; |
| } else { |
| vwrq->value = duration * level / 4; |
| vwrq->flags = IW_POWER_TIMEOUT; |
| } |
| } |
| if (vwrq->flags & IW_POWER_MODE) { |
| if (enabled && level) |
| vwrq->flags = IW_POWER_UNICAST_R; |
| else |
| vwrq->flags = IW_POWER_ALL_R; |
| } |
| |
| return 0; |
| } |
| |
| |
| static const iw_handler zd1201_iw_handler[] = |
| { |
| (iw_handler) zd1201_config_commit, /* SIOCSIWCOMMIT */ |
| (iw_handler) zd1201_get_name, /* SIOCGIWNAME */ |
| (iw_handler) NULL, /* SIOCSIWNWID */ |
| (iw_handler) NULL, /* SIOCGIWNWID */ |
| (iw_handler) zd1201_set_freq, /* SIOCSIWFREQ */ |
| (iw_handler) zd1201_get_freq, /* SIOCGIWFREQ */ |
| (iw_handler) zd1201_set_mode, /* SIOCSIWMODE */ |
| (iw_handler) zd1201_get_mode, /* SIOCGIWMODE */ |
| (iw_handler) NULL, /* SIOCSIWSENS */ |
| (iw_handler) NULL, /* SIOCGIWSENS */ |
| (iw_handler) NULL, /* SIOCSIWRANGE */ |
| (iw_handler) zd1201_get_range, /* SIOCGIWRANGE */ |
| (iw_handler) NULL, /* SIOCSIWPRIV */ |
| (iw_handler) NULL, /* SIOCGIWPRIV */ |
| (iw_handler) NULL, /* SIOCSIWSTATS */ |
| (iw_handler) NULL, /* SIOCGIWSTATS */ |
| (iw_handler) NULL, /* SIOCSIWSPY */ |
| (iw_handler) NULL, /* SIOCGIWSPY */ |
| (iw_handler) NULL, /* -- hole -- */ |
| (iw_handler) NULL, /* -- hole -- */ |
| (iw_handler) NULL/*zd1201_set_wap*/, /* SIOCSIWAP */ |
| (iw_handler) zd1201_get_wap, /* SIOCGIWAP */ |
| (iw_handler) NULL, /* -- hole -- */ |
| (iw_handler) NULL, /* SIOCGIWAPLIST */ |
| (iw_handler) zd1201_set_scan, /* SIOCSIWSCAN */ |
| (iw_handler) zd1201_get_scan, /* SIOCGIWSCAN */ |
| (iw_handler) zd1201_set_essid, /* SIOCSIWESSID */ |
| (iw_handler) zd1201_get_essid, /* SIOCGIWESSID */ |
| (iw_handler) NULL, /* SIOCSIWNICKN */ |
| (iw_handler) zd1201_get_nick, /* SIOCGIWNICKN */ |
| (iw_handler) NULL, /* -- hole -- */ |
| (iw_handler) NULL, /* -- hole -- */ |
| (iw_handler) zd1201_set_rate, /* SIOCSIWRATE */ |
| (iw_handler) zd1201_get_rate, /* SIOCGIWRATE */ |
| (iw_handler) zd1201_set_rts, /* SIOCSIWRTS */ |
| (iw_handler) zd1201_get_rts, /* SIOCGIWRTS */ |
| (iw_handler) zd1201_set_frag, /* SIOCSIWFRAG */ |
| (iw_handler) zd1201_get_frag, /* SIOCGIWFRAG */ |
| (iw_handler) NULL, /* SIOCSIWTXPOW */ |
| (iw_handler) NULL, /* SIOCGIWTXPOW */ |
| (iw_handler) zd1201_set_retry, /* SIOCSIWRETRY */ |
| (iw_handler) zd1201_get_retry, /* SIOCGIWRETRY */ |
| (iw_handler) zd1201_set_encode, /* SIOCSIWENCODE */ |
| (iw_handler) zd1201_get_encode, /* SIOCGIWENCODE */ |
| (iw_handler) zd1201_set_power, /* SIOCSIWPOWER */ |
| (iw_handler) zd1201_get_power, /* SIOCGIWPOWER */ |
| }; |
| |
| static int zd1201_set_hostauth(struct net_device *dev, |
| struct iw_request_info *info, struct iw_param *rrq, char *extra) |
| { |
| struct zd1201 *zd = netdev_priv(dev); |
| |
| if (!zd->ap) |
| return -EOPNOTSUPP; |
| |
| return zd1201_setconfig16(zd, ZD1201_RID_CNFHOSTAUTH, rrq->value); |
| } |
| |
| static int zd1201_get_hostauth(struct net_device *dev, |
| struct iw_request_info *info, struct iw_param *rrq, char *extra) |
| { |
| struct zd1201 *zd = netdev_priv(dev); |
| short hostauth; |
| int err; |
| |
| if (!zd->ap) |
| return -EOPNOTSUPP; |
| |
| err = zd1201_getconfig16(zd, ZD1201_RID_CNFHOSTAUTH, &hostauth); |
| if (err) |
| return err; |
| rrq->value = hostauth; |
| rrq->fixed = 1; |
| |
| return 0; |
| } |
| |
| static int zd1201_auth_sta(struct net_device *dev, |
| struct iw_request_info *info, struct sockaddr *sta, char *extra) |
| { |
| struct zd1201 *zd = netdev_priv(dev); |
| unsigned char buffer[10]; |
| |
| if (!zd->ap) |
| return -EOPNOTSUPP; |
| |
| memcpy(buffer, sta->sa_data, ETH_ALEN); |
| *(short*)(buffer+6) = 0; /* 0==success, 1==failure */ |
| *(short*)(buffer+8) = 0; |
| |
| return zd1201_setconfig(zd, ZD1201_RID_AUTHENTICATESTA, buffer, 10, 1); |
| } |
| |
| static int zd1201_set_maxassoc(struct net_device *dev, |
| struct iw_request_info *info, struct iw_param *rrq, char *extra) |
| { |
| struct zd1201 *zd = netdev_priv(dev); |
| 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 = netdev_priv(dev); |
| short maxassoc; |
| int err; |
| |
| if (!zd->ap) |
| return -EOPNOTSUPP; |
| |
| err = zd1201_getconfig16(zd, ZD1201_RID_CNFMAXASSOCSTATIONS, &maxassoc); |
| if (err) |
| return err; |
| rrq->value = maxassoc; |
| rrq->fixed = 1; |
| |
| return 0; |
| } |
| |
| static const iw_handler zd1201_private_handler[] = { |
| (iw_handler) zd1201_set_hostauth, /* ZD1201SIWHOSTAUTH */ |
| (iw_handler) zd1201_get_hostauth, /* ZD1201GIWHOSTAUTH */ |
| (iw_handler) zd1201_auth_sta, /* ZD1201SIWAUTHSTA */ |
| (iw_handler) NULL, /* nothing to get */ |
| (iw_handler) zd1201_set_maxassoc, /* ZD1201SIMAXASSOC */ |
| (iw_handler) zd1201_get_maxassoc, /* ZD1201GIMAXASSOC */ |
| }; |
| |
| static const struct iw_priv_args zd1201_private_args[] = { |
| { ZD1201SIWHOSTAUTH, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, |
| IW_PRIV_TYPE_NONE, "sethostauth" }, |
| { ZD1201GIWHOSTAUTH, IW_PRIV_TYPE_NONE, |
| IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethostauth" }, |
| { ZD1201SIWAUTHSTA, IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, |
| IW_PRIV_TYPE_NONE, "authstation" }, |
| { ZD1201SIWMAXASSOC, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, |
| IW_PRIV_TYPE_NONE, "setmaxassoc" }, |
| { ZD1201GIWMAXASSOC, IW_PRIV_TYPE_NONE, |
| IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getmaxassoc" }, |
| }; |
| |
| static const struct iw_handler_def zd1201_iw_handlers = { |
| .num_standard = ARRAY_SIZE(zd1201_iw_handler), |
| .num_private = ARRAY_SIZE(zd1201_private_handler), |
| .num_private_args = ARRAY_SIZE(zd1201_private_args), |
| .standard = (iw_handler *)zd1201_iw_handler, |
| .private = (iw_handler *)zd1201_private_handler, |
| .private_args = (struct iw_priv_args *) zd1201_private_args, |
| .get_wireless_stats = zd1201_get_wireless_stats, |
| }; |
| |
| static const struct net_device_ops zd1201_netdev_ops = { |
| .ndo_open = zd1201_net_open, |
| .ndo_stop = zd1201_net_stop, |
| .ndo_start_xmit = zd1201_hard_start_xmit, |
| .ndo_tx_timeout = zd1201_tx_timeout, |
| .ndo_set_rx_mode = zd1201_set_multicast, |
| .ndo_set_mac_address = zd1201_set_mac_address, |
| .ndo_validate_addr = eth_validate_addr, |
| }; |
| |
| static int zd1201_probe(struct usb_interface *interface, |
| const struct usb_device_id *id) |
| { |
| struct zd1201 *zd; |
| struct net_device *dev; |
| struct usb_device *usb; |
| int err; |
| short porttype; |
| char buf[IW_ESSID_MAX_SIZE+2]; |
| |
| usb = interface_to_usbdev(interface); |
| |
| dev = alloc_etherdev(sizeof(*zd)); |
| if (!dev) |
| return -ENOMEM; |
| zd = netdev_priv(dev); |
| zd->dev = dev; |
| |
| zd->ap = ap; |
| zd->usb = usb; |
| zd->removed = 0; |
| init_waitqueue_head(&zd->rxdataq); |
| INIT_HLIST_HEAD(&zd->fraglist); |
| |
| err = zd1201_fw_upload(usb, zd->ap); |
| if (err) { |
| dev_err(&usb->dev, "zd1201 firmware upload failed: %d\n", err); |
| goto err_zd; |
| } |
| |
| zd->endp_in = 1; |
| zd->endp_out = 1; |
| zd->endp_out2 = 2; |
| zd->rx_urb = usb_alloc_urb(0, GFP_KERNEL); |
| zd->tx_urb = usb_alloc_urb(0, GFP_KERNEL); |
| if (!zd->rx_urb || !zd->tx_urb) { |
| err = -ENOMEM; |
| goto err_zd; |
| } |
| |
| mdelay(100); |
| err = zd1201_drvr_start(zd); |
| if (err) |
| goto err_zd; |
| |
| err = zd1201_setconfig16(zd, ZD1201_RID_CNFMAXDATALEN, 2312); |
| if (err) |
| goto err_start; |
| |
| err = zd1201_setconfig16(zd, ZD1201_RID_TXRATECNTL, |
| ZD1201_RATEB1 | ZD1201_RATEB2 | ZD1201_RATEB5 | ZD1201_RATEB11); |
| if (err) |
| goto err_start; |
| |
| dev->netdev_ops = &zd1201_netdev_ops; |
| dev->wireless_handlers = &zd1201_iw_handlers; |
| dev->watchdog_timeo = ZD1201_TX_TIMEOUT; |
| strcpy(dev->name, "wlan%d"); |
| |
| err = zd1201_getconfig(zd, ZD1201_RID_CNFOWNMACADDR, |
| dev->dev_addr, dev->addr_len); |
| if (err) |
| goto err_start; |
| |
| /* Set wildcard essid to match zd->essid */ |
| *(__le16 *)buf = cpu_to_le16(0); |
| err = zd1201_setconfig(zd, ZD1201_RID_CNFDESIREDSSID, buf, |
| IW_ESSID_MAX_SIZE+2, 1); |
| if (err) |
| goto err_start; |
| |
| if (zd->ap) |
| porttype = ZD1201_PORTTYPE_AP; |
| else |
| porttype = ZD1201_PORTTYPE_BSS; |
| err = zd1201_setconfig16(zd, ZD1201_RID_CNFPORTTYPE, porttype); |
| if (err) |
| goto err_start; |
| |
| SET_NETDEV_DEV(dev, &usb->dev); |
| |
| err = register_netdev(dev); |
| if (err) |
| goto err_start; |
| dev_info(&usb->dev, "%s: ZD1201 USB Wireless interface\n", |
| dev->name); |
| |
| usb_set_intfdata(interface, zd); |
| zd1201_enable(zd); /* zd1201 likes to startup enabled, */ |
| zd1201_disable(zd); /* interfering with all the wifis in range */ |
| return 0; |
| |
| err_start: |
| /* Leave the device in reset state */ |
| zd1201_docmd(zd, ZD1201_CMDCODE_INIT, 0, 0, 0); |
| err_zd: |
| usb_free_urb(zd->tx_urb); |
| usb_free_urb(zd->rx_urb); |
| free_netdev(dev); |
| return err; |
| } |
| |
| static void zd1201_disconnect(struct usb_interface *interface) |
| { |
| struct zd1201 *zd = usb_get_intfdata(interface); |
| struct hlist_node *node2; |
| struct zd1201_frag *frag; |
| |
| if (!zd) |
| return; |
| usb_set_intfdata(interface, NULL); |
| |
| hlist_for_each_entry_safe(frag, node2, &zd->fraglist, fnode) { |
| hlist_del_init(&frag->fnode); |
| kfree_skb(frag->skb); |
| kfree(frag); |
| } |
| |
| if (zd->tx_urb) { |
| usb_kill_urb(zd->tx_urb); |
| usb_free_urb(zd->tx_urb); |
| } |
| if (zd->rx_urb) { |
| usb_kill_urb(zd->rx_urb); |
| usb_free_urb(zd->rx_urb); |
| } |
| |
| if (zd->dev) { |
| unregister_netdev(zd->dev); |
| free_netdev(zd->dev); |
| } |
| } |
| |
| #ifdef CONFIG_PM |
| |
| static int zd1201_suspend(struct usb_interface *interface, |
| pm_message_t message) |
| { |
| struct zd1201 *zd = usb_get_intfdata(interface); |
| |
| netif_device_detach(zd->dev); |
| |
| zd->was_enabled = zd->mac_enabled; |
| |
| if (zd->was_enabled) |
| return zd1201_disable(zd); |
| else |
| return 0; |
| } |
| |
| static int zd1201_resume(struct usb_interface *interface) |
| { |
| struct zd1201 *zd = usb_get_intfdata(interface); |
| |
| if (!zd || !zd->dev) |
| return -ENODEV; |
| |
| netif_device_attach(zd->dev); |
| |
| if (zd->was_enabled) |
| return zd1201_enable(zd); |
| else |
| return 0; |
| } |
| |
| #else |
| |
| #define zd1201_suspend NULL |
| #define zd1201_resume NULL |
| |
| #endif |
| |
| static struct usb_driver zd1201_usb = { |
| .name = "zd1201", |
| .probe = zd1201_probe, |
| .disconnect = zd1201_disconnect, |
| .id_table = zd1201_table, |
| .suspend = zd1201_suspend, |
| .resume = zd1201_resume, |
| .disable_hub_initiated_lpm = 1, |
| }; |
| |
| module_usb_driver(zd1201_usb); |