/* * 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 <linux/ieee80211.h> #include <net/iw_handler.h> #include <linux/string.h> #include <linux/if_arp.h> #include <linux/firmware.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; /* 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) 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 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); 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 zd1201 *zd = urb->context; netif_wake_queue(zd->dev); return; } /* 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, 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->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_MAX_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); } 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->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 = 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 int 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) { zd->stats.tx_dropped++; kfree_skb(skb); return 0; } netif_stop_queue(dev); txbuflen = skb->len + 8 + 1; if (txbuflen%64 == 0) { pad = 1; txbuflen++; } txbuf[0] = 0xAA; txbuf[1] = 0xAA; txbuf[2] = 0x03; txbuf[3] = 0x00; /* rfc1042 */ txbuf[4] = 0x00; txbuf[5] = 0x00; skb_copy_from_linear_data_offset(skb, 12, txbuf + 6, skb->len - 12); if (pad) txbuf[skb->len-12+6]=0; skb_copy_from_linear_data(skb, txbuf + skb->len - 12 + 6 + pad, 12); *(__be16*)&txbuf[skb->len+6+pad] = htons(skb->len-12+6); txbuf[txbuflen-1] = 0; usb_fill_bulk_urb(urb, zd->usb, usb_sndbulkpipe(zd->usb, zd->endp_out), txbuf, txbuflen, zd1201_usbtx, zd); err = usb_submit_urb(zd->tx_urb, GFP_ATOMIC); if (err) { zd->stats.tx_errors++; netif_start_queue(dev); return err; } zd->stats.tx_packets++; zd->stats.tx_bytes += skb->len; dev->trans_start = jiffies; kfree_skb(skb); return 0; } static void zd1201_tx_timeout(struct net_device *dev) { struct zd1201 *zd = 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); 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 = 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 net_device_stats *zd1201_get_stats(struct net_device *dev) { struct zd1201 *zd = netdev_priv(dev); return &zd->stats; } 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 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 = 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_freq_to_dsss_chan(freq->m); if (channel < 0) channel = 0; } 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 */ 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 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) 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->open = zd1201_net_open; dev->stop = zd1201_net_stop; dev->get_stats = zd1201_get_stats; dev->wireless_handlers = (struct iw_handler_def *)&zd1201_iw_handlers; dev->hard_start_xmit = zd1201_hard_start_xmit; dev->watchdog_timeo = ZD1201_TX_TIMEOUT; dev->tx_timeout = zd1201_tx_timeout; dev->set_multicast_list = zd1201_set_multicast; dev->set_mac_address = zd1201_set_mac_address; 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=(struct zd1201 *)usb_get_intfdata(interface); struct hlist_node *node, *node2; struct zd1201_frag *frag; if (!zd) return; usb_set_intfdata(interface, NULL); 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); } 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, }; 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);