From ed0ad06f5c8e5b8fc3c6d7c0e3d2dc546638c18c Mon Sep 17 00:00:00 2001 From: Kalle Valo Date: Wed, 18 Nov 2015 07:39:37 +0200 Subject: zd1201: move under zydas vendor directory Part of reorganising wireless drivers directory and Kconfig. Signed-off-by: Kalle Valo diff --git a/MAINTAINERS b/MAINTAINERS index e622877..ec09837 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -11252,7 +11252,7 @@ USB ZD1201 DRIVER L: linux-wireless@vger.kernel.org W: http://linux-lc100020.sourceforge.net S: Orphan -F: drivers/net/wireless/zd1201.* +F: drivers/net/wireless/zydas/zd1201.* USB ZR364XX DRIVER M: Antoine Jacquet diff --git a/drivers/net/wireless/Kconfig b/drivers/net/wireless/Kconfig index 315982a..35155e2 100644 --- a/drivers/net/wireless/Kconfig +++ b/drivers/net/wireless/Kconfig @@ -24,6 +24,7 @@ source "drivers/net/wireless/cisco/Kconfig" source "drivers/net/wireless/intel/Kconfig" source "drivers/net/wireless/marvell/Kconfig" source "drivers/net/wireless/st/Kconfig" +source "drivers/net/wireless/zydas/Kconfig" config PCMCIA_RAYCS tristate "Aviator/Raytheon 2.4GHz wireless support" @@ -70,25 +71,6 @@ config PRISM54 When built as module you get the module prism54 -config USB_ZD1201 - tristate "USB ZD1201 based Wireless device support" - depends on CFG80211 && USB - select WIRELESS_EXT - select WEXT_PRIV - select FW_LOADER - ---help--- - Say Y if you want to use wireless LAN adapters based on the ZyDAS - ZD1201 chip. - - This driver makes the adapter appear as a normal Ethernet interface, - typically on wlan0. - - The zd1201 device requires external firmware to be loaded. - This can be found at http://linux-lc100020.sourceforge.net/ - - To compile this driver as a module, choose M here: the - module will be called zd1201. - config USB_NET_RNDIS_WLAN tristate "Wireless RNDIS USB support" depends on USB diff --git a/drivers/net/wireless/Makefile b/drivers/net/wireless/Makefile index 9498753..4ee6d6d 100644 --- a/drivers/net/wireless/Makefile +++ b/drivers/net/wireless/Makefile @@ -9,6 +9,7 @@ obj-$(CONFIG_WLAN_VENDOR_CISCO) += cisco/ obj-$(CONFIG_WLAN_VENDOR_INTEL) += intel/ obj-$(CONFIG_WLAN_VENDOR_MARVELL) += marvell/ obj-$(CONFIG_WLAN_VENDOR_ST) += st/ +obj-$(CONFIG_WLAN_VENDOR_ZYDAS) += zydas/ obj-$(CONFIG_HERMES) += orinoco/ @@ -24,8 +25,6 @@ obj-$(CONFIG_PCMCIA_WL3501) += wl3501_cs.o obj-$(CONFIG_USB_NET_RNDIS_WLAN) += rndis_wlan.o -obj-$(CONFIG_USB_ZD1201) += zd1201.o - obj-$(CONFIG_RT2X00) += rt2x00/ obj-$(CONFIG_WL_MEDIATEK) += mediatek/ diff --git a/drivers/net/wireless/zd1201.c b/drivers/net/wireless/zd1201.c deleted file mode 100644 index 6f5c793..0000000 --- a/drivers/net/wireless/zd1201.c +++ /dev/null @@ -1,1913 +0,0 @@ -/* - * Driver for ZyDAS zd1201 based wireless USB devices. - * - * Copyright (c) 2004, 2005 Jeroen Vreeken (pe1rxq@amsat.org) - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * version 2 as published by the Free Software Foundation. - * - * Parts of this driver have been derived from a wlan-ng version - * modified by ZyDAS. They also made documentation available, thanks! - * Copyright (C) 1999 AbsoluteValue Systems, Inc. All Rights Reserved. - */ - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#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, 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 "); -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, 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; - - 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->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); - 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, &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->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; irx_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: */ - dev->trans_start = jiffies; /* 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 */ - 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; irxlen; 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_change_mtu = eth_change_mtu, - .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); diff --git a/drivers/net/wireless/zd1201.h b/drivers/net/wireless/zd1201.h deleted file mode 100644 index dd7ea1f..0000000 --- a/drivers/net/wireless/zd1201.h +++ /dev/null @@ -1,147 +0,0 @@ -/* - * 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. - * Copyright (C) 1999 AbsoluteValue Systems, Inc. All Rights Reserved. - */ - -#ifndef _INCLUDE_ZD1201_H_ -#define _INCLUDE_ZD1201_H_ - -#define ZD1201_NUMKEYS 4 -#define ZD1201_MAXKEYLEN 13 -#define ZD1201_MAXMULTI 16 -#define ZD1201_FRAGMAX 2500 -#define ZD1201_FRAGMIN 256 -#define ZD1201_RTSMAX 2500 - -#define ZD1201_RXSIZE 3000 - -struct zd1201 { - struct usb_device *usb; - int removed; - struct net_device *dev; - struct iw_statistics iwstats; - - int endp_in; - int endp_out; - int endp_out2; - struct urb *rx_urb; - struct urb *tx_urb; - - unsigned char rxdata[ZD1201_RXSIZE]; - int rxlen; - wait_queue_head_t rxdataq; - int rxdatas; - struct hlist_head fraglist; - unsigned char txdata[ZD1201_RXSIZE]; - - int ap; - char essid[IW_ESSID_MAX_SIZE+1]; - int essidlen; - int mac_enabled; - int was_enabled; - int monitor; - int encode_enabled; - int encode_restricted; - unsigned char encode_keys[ZD1201_NUMKEYS][ZD1201_MAXKEYLEN]; - int encode_keylen[ZD1201_NUMKEYS]; -}; - -struct zd1201_frag { - struct hlist_node fnode; - int seq; - struct sk_buff *skb; -}; - -#define ZD1201SIWHOSTAUTH SIOCIWFIRSTPRIV -#define ZD1201GIWHOSTAUTH ZD1201SIWHOSTAUTH+1 -#define ZD1201SIWAUTHSTA SIOCIWFIRSTPRIV+2 -#define ZD1201SIWMAXASSOC SIOCIWFIRSTPRIV+4 -#define ZD1201GIWMAXASSOC ZD1201SIWMAXASSOC+1 - -#define ZD1201_FW_TIMEOUT (1000) - -#define ZD1201_TX_TIMEOUT (2000) - -#define ZD1201_USB_CMDREQ 0 -#define ZD1201_USB_RESREQ 1 - -#define ZD1201_CMDCODE_INIT 0x00 -#define ZD1201_CMDCODE_ENABLE 0x01 -#define ZD1201_CMDCODE_DISABLE 0x02 -#define ZD1201_CMDCODE_ALLOC 0x0a -#define ZD1201_CMDCODE_INQUIRE 0x11 -#define ZD1201_CMDCODE_SETRXRID 0x17 -#define ZD1201_CMDCODE_ACCESS 0x21 - -#define ZD1201_PACKET_EVENTSTAT 0x0 -#define ZD1201_PACKET_RXDATA 0x1 -#define ZD1201_PACKET_INQUIRE 0x2 -#define ZD1201_PACKET_RESOURCE 0x3 - -#define ZD1201_ACCESSBIT 0x0100 - -#define ZD1201_RID_CNFPORTTYPE 0xfc00 -#define ZD1201_RID_CNFOWNMACADDR 0xfc01 -#define ZD1201_RID_CNFDESIREDSSID 0xfc02 -#define ZD1201_RID_CNFOWNCHANNEL 0xfc03 -#define ZD1201_RID_CNFOWNSSID 0xfc04 -#define ZD1201_RID_CNFMAXDATALEN 0xfc07 -#define ZD1201_RID_CNFPMENABLED 0xfc09 -#define ZD1201_RID_CNFPMEPS 0xfc0a -#define ZD1201_RID_CNFMAXSLEEPDURATION 0xfc0c -#define ZD1201_RID_CNFDEFAULTKEYID 0xfc23 -#define ZD1201_RID_CNFDEFAULTKEY0 0xfc24 -#define ZD1201_RID_CNFDEFAULTKEY1 0xfc25 -#define ZD1201_RID_CNFDEFAULTKEY2 0xfc26 -#define ZD1201_RID_CNFDEFAULTKEY3 0xfc27 -#define ZD1201_RID_CNFWEBFLAGS 0xfc28 -#define ZD1201_RID_CNFAUTHENTICATION 0xfc2a -#define ZD1201_RID_CNFMAXASSOCSTATIONS 0xfc2b -#define ZD1201_RID_CNFHOSTAUTH 0xfc2e -#define ZD1201_RID_CNFGROUPADDRESS 0xfc80 -#define ZD1201_RID_CNFFRAGTHRESHOLD 0xfc82 -#define ZD1201_RID_CNFRTSTHRESHOLD 0xfc83 -#define ZD1201_RID_TXRATECNTL 0xfc84 -#define ZD1201_RID_PROMISCUOUSMODE 0xfc85 -#define ZD1201_RID_CNFBASICRATES 0xfcb3 -#define ZD1201_RID_AUTHENTICATESTA 0xfce3 -#define ZD1201_RID_CURRENTBSSID 0xfd42 -#define ZD1201_RID_COMMSQUALITY 0xfd43 -#define ZD1201_RID_CURRENTTXRATE 0xfd44 -#define ZD1201_RID_CNFMAXTXBUFFERNUMBER 0xfda0 -#define ZD1201_RID_CURRENTCHANNEL 0xfdc1 - -#define ZD1201_INQ_SCANRESULTS 0xf101 - -#define ZD1201_INF_LINKSTATUS 0xf200 -#define ZD1201_INF_ASSOCSTATUS 0xf201 -#define ZD1201_INF_AUTHREQ 0xf202 - -#define ZD1201_ASSOCSTATUS_STAASSOC 0x1 -#define ZD1201_ASSOCSTATUS_REASSOC 0x2 -#define ZD1201_ASSOCSTATUS_DISASSOC 0x3 -#define ZD1201_ASSOCSTATUS_ASSOCFAIL 0x4 -#define ZD1201_ASSOCSTATUS_AUTHFAIL 0x5 - -#define ZD1201_PORTTYPE_IBSS 0 -#define ZD1201_PORTTYPE_BSS 1 -#define ZD1201_PORTTYPE_WDS 2 -#define ZD1201_PORTTYPE_PSEUDOIBSS 3 -#define ZD1201_PORTTYPE_AP 6 - -#define ZD1201_RATEB1 1 -#define ZD1201_RATEB2 2 -#define ZD1201_RATEB5 4 /* 5.5 really, but 5 is shorter :) */ -#define ZD1201_RATEB11 8 - -#define ZD1201_CNFAUTHENTICATION_OPENSYSTEM 0x0001 -#define ZD1201_CNFAUTHENTICATION_SHAREDKEY 0x0002 - -#endif /* _INCLUDE_ZD1201_H_ */ diff --git a/drivers/net/wireless/zydas/Kconfig b/drivers/net/wireless/zydas/Kconfig new file mode 100644 index 0000000..6140dfa --- /dev/null +++ b/drivers/net/wireless/zydas/Kconfig @@ -0,0 +1,33 @@ +config WLAN_VENDOR_ZYDAS + bool "ZyDAS devices" + default y + ---help--- + If you have a wireless card belonging to this class, say Y. + + Note that the answer to this question doesn't directly affect the + kernel: saying N will just cause the configurator to skip all + the questions about cards. If you say Y, you will be asked for + your specific card in the following questions. + +if WLAN_VENDOR_ZYDAS + +config USB_ZD1201 + tristate "USB ZD1201 based Wireless device support" + depends on CFG80211 && USB + select WIRELESS_EXT + select WEXT_PRIV + select FW_LOADER + ---help--- + Say Y if you want to use wireless LAN adapters based on the ZyDAS + ZD1201 chip. + + This driver makes the adapter appear as a normal Ethernet interface, + typically on wlan0. + + The zd1201 device requires external firmware to be loaded. + This can be found at http://linux-lc100020.sourceforge.net/ + + To compile this driver as a module, choose M here: the + module will be called zd1201. + +endif # WLAN_VENDOR_ZYDAS diff --git a/drivers/net/wireless/zydas/Makefile b/drivers/net/wireless/zydas/Makefile new file mode 100644 index 0000000..37179ef --- /dev/null +++ b/drivers/net/wireless/zydas/Makefile @@ -0,0 +1 @@ +obj-$(CONFIG_USB_ZD1201) += zd1201.o diff --git a/drivers/net/wireless/zydas/zd1201.c b/drivers/net/wireless/zydas/zd1201.c new file mode 100644 index 0000000..6f5c793 --- /dev/null +++ b/drivers/net/wireless/zydas/zd1201.c @@ -0,0 +1,1913 @@ +/* + * 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 +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#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, 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 "); +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, 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; + + 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->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); + 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, &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->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; irx_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: */ + dev->trans_start = jiffies; /* 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 */ + 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; irxlen; 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_change_mtu = eth_change_mtu, + .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); diff --git a/drivers/net/wireless/zydas/zd1201.h b/drivers/net/wireless/zydas/zd1201.h new file mode 100644 index 0000000..dd7ea1f --- /dev/null +++ b/drivers/net/wireless/zydas/zd1201.h @@ -0,0 +1,147 @@ +/* + * 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. + * Copyright (C) 1999 AbsoluteValue Systems, Inc. All Rights Reserved. + */ + +#ifndef _INCLUDE_ZD1201_H_ +#define _INCLUDE_ZD1201_H_ + +#define ZD1201_NUMKEYS 4 +#define ZD1201_MAXKEYLEN 13 +#define ZD1201_MAXMULTI 16 +#define ZD1201_FRAGMAX 2500 +#define ZD1201_FRAGMIN 256 +#define ZD1201_RTSMAX 2500 + +#define ZD1201_RXSIZE 3000 + +struct zd1201 { + struct usb_device *usb; + int removed; + struct net_device *dev; + struct iw_statistics iwstats; + + int endp_in; + int endp_out; + int endp_out2; + struct urb *rx_urb; + struct urb *tx_urb; + + unsigned char rxdata[ZD1201_RXSIZE]; + int rxlen; + wait_queue_head_t rxdataq; + int rxdatas; + struct hlist_head fraglist; + unsigned char txdata[ZD1201_RXSIZE]; + + int ap; + char essid[IW_ESSID_MAX_SIZE+1]; + int essidlen; + int mac_enabled; + int was_enabled; + int monitor; + int encode_enabled; + int encode_restricted; + unsigned char encode_keys[ZD1201_NUMKEYS][ZD1201_MAXKEYLEN]; + int encode_keylen[ZD1201_NUMKEYS]; +}; + +struct zd1201_frag { + struct hlist_node fnode; + int seq; + struct sk_buff *skb; +}; + +#define ZD1201SIWHOSTAUTH SIOCIWFIRSTPRIV +#define ZD1201GIWHOSTAUTH ZD1201SIWHOSTAUTH+1 +#define ZD1201SIWAUTHSTA SIOCIWFIRSTPRIV+2 +#define ZD1201SIWMAXASSOC SIOCIWFIRSTPRIV+4 +#define ZD1201GIWMAXASSOC ZD1201SIWMAXASSOC+1 + +#define ZD1201_FW_TIMEOUT (1000) + +#define ZD1201_TX_TIMEOUT (2000) + +#define ZD1201_USB_CMDREQ 0 +#define ZD1201_USB_RESREQ 1 + +#define ZD1201_CMDCODE_INIT 0x00 +#define ZD1201_CMDCODE_ENABLE 0x01 +#define ZD1201_CMDCODE_DISABLE 0x02 +#define ZD1201_CMDCODE_ALLOC 0x0a +#define ZD1201_CMDCODE_INQUIRE 0x11 +#define ZD1201_CMDCODE_SETRXRID 0x17 +#define ZD1201_CMDCODE_ACCESS 0x21 + +#define ZD1201_PACKET_EVENTSTAT 0x0 +#define ZD1201_PACKET_RXDATA 0x1 +#define ZD1201_PACKET_INQUIRE 0x2 +#define ZD1201_PACKET_RESOURCE 0x3 + +#define ZD1201_ACCESSBIT 0x0100 + +#define ZD1201_RID_CNFPORTTYPE 0xfc00 +#define ZD1201_RID_CNFOWNMACADDR 0xfc01 +#define ZD1201_RID_CNFDESIREDSSID 0xfc02 +#define ZD1201_RID_CNFOWNCHANNEL 0xfc03 +#define ZD1201_RID_CNFOWNSSID 0xfc04 +#define ZD1201_RID_CNFMAXDATALEN 0xfc07 +#define ZD1201_RID_CNFPMENABLED 0xfc09 +#define ZD1201_RID_CNFPMEPS 0xfc0a +#define ZD1201_RID_CNFMAXSLEEPDURATION 0xfc0c +#define ZD1201_RID_CNFDEFAULTKEYID 0xfc23 +#define ZD1201_RID_CNFDEFAULTKEY0 0xfc24 +#define ZD1201_RID_CNFDEFAULTKEY1 0xfc25 +#define ZD1201_RID_CNFDEFAULTKEY2 0xfc26 +#define ZD1201_RID_CNFDEFAULTKEY3 0xfc27 +#define ZD1201_RID_CNFWEBFLAGS 0xfc28 +#define ZD1201_RID_CNFAUTHENTICATION 0xfc2a +#define ZD1201_RID_CNFMAXASSOCSTATIONS 0xfc2b +#define ZD1201_RID_CNFHOSTAUTH 0xfc2e +#define ZD1201_RID_CNFGROUPADDRESS 0xfc80 +#define ZD1201_RID_CNFFRAGTHRESHOLD 0xfc82 +#define ZD1201_RID_CNFRTSTHRESHOLD 0xfc83 +#define ZD1201_RID_TXRATECNTL 0xfc84 +#define ZD1201_RID_PROMISCUOUSMODE 0xfc85 +#define ZD1201_RID_CNFBASICRATES 0xfcb3 +#define ZD1201_RID_AUTHENTICATESTA 0xfce3 +#define ZD1201_RID_CURRENTBSSID 0xfd42 +#define ZD1201_RID_COMMSQUALITY 0xfd43 +#define ZD1201_RID_CURRENTTXRATE 0xfd44 +#define ZD1201_RID_CNFMAXTXBUFFERNUMBER 0xfda0 +#define ZD1201_RID_CURRENTCHANNEL 0xfdc1 + +#define ZD1201_INQ_SCANRESULTS 0xf101 + +#define ZD1201_INF_LINKSTATUS 0xf200 +#define ZD1201_INF_ASSOCSTATUS 0xf201 +#define ZD1201_INF_AUTHREQ 0xf202 + +#define ZD1201_ASSOCSTATUS_STAASSOC 0x1 +#define ZD1201_ASSOCSTATUS_REASSOC 0x2 +#define ZD1201_ASSOCSTATUS_DISASSOC 0x3 +#define ZD1201_ASSOCSTATUS_ASSOCFAIL 0x4 +#define ZD1201_ASSOCSTATUS_AUTHFAIL 0x5 + +#define ZD1201_PORTTYPE_IBSS 0 +#define ZD1201_PORTTYPE_BSS 1 +#define ZD1201_PORTTYPE_WDS 2 +#define ZD1201_PORTTYPE_PSEUDOIBSS 3 +#define ZD1201_PORTTYPE_AP 6 + +#define ZD1201_RATEB1 1 +#define ZD1201_RATEB2 2 +#define ZD1201_RATEB5 4 /* 5.5 really, but 5 is shorter :) */ +#define ZD1201_RATEB11 8 + +#define ZD1201_CNFAUTHENTICATION_OPENSYSTEM 0x0001 +#define ZD1201_CNFAUTHENTICATION_SHAREDKEY 0x0002 + +#endif /* _INCLUDE_ZD1201_H_ */ -- cgit v0.10.2