1036 lines
25 KiB
C
1036 lines
25 KiB
C
/*
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* wlcompat.c
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*
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* Copyright (C) 2005 Mike Baker
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* Copyright (C) 2005-2007 Felix Fietkau <nbd@openwrt.org>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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* $Id$
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*/
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#include <linux/config.h>
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#include <linux/module.h>
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#include <linux/moduleparam.h>
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#include <linux/init.h>
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#include <linux/if_arp.h>
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#include <linux/wireless.h>
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#include <linux/timer.h>
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#include <linux/delay.h>
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#include <net/iw_handler.h>
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#include <asm/uaccess.h>
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#include <typedefs.h>
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#include <bcmutils.h>
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#include <wlioctl.h>
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static struct net_device *dev;
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static struct iw_statistics wstats;
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#ifndef DEBUG
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static int random = 1;
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#endif
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static int last_mode = -1;
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static int scan_cur = 0;
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char buf[WLC_IOCTL_MAXLEN];
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/* The frequency of each channel in MHz */
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const long channel_frequency[] = {
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2412, 2417, 2422, 2427, 2432, 2437, 2442,
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2447, 2452, 2457, 2462, 2467, 2472, 2484
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};
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#define NUM_CHANNELS ( sizeof(channel_frequency) / sizeof(channel_frequency[0]) )
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#define SCAN_RETRY_MAX 5
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#define RNG_POLL_FREQ 1
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typedef struct internal_wsec_key {
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uint8 index; // 0x00
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uint8 unknown_1; // 0x01
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uint8 type; // 0x02
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uint8 unknown_2[7]; // 0x03
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uint8 len; // 0x0a
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uint8 pad[3];
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char data[32]; // 0x0e
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} wkey;
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#ifdef DEBUG
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void print_buffer(int len, unsigned char *buf);
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#endif
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static int wl_ioctl(struct net_device *dev, int cmd, void *buf, int len)
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{
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mm_segment_t old_fs = get_fs();
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struct ifreq ifr;
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int ret;
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wl_ioctl_t ioc;
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ioc.cmd = cmd;
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ioc.buf = buf;
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ioc.len = len;
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strncpy(ifr.ifr_name, dev->name, IFNAMSIZ);
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ifr.ifr_data = (caddr_t) &ioc;
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set_fs(KERNEL_DS);
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ret = dev->do_ioctl(dev,&ifr,SIOCDEVPRIVATE);
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set_fs (old_fs);
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return ret;
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}
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static int
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wl_iovar_getbuf(struct net_device *dev, char *iovar, void *param, int paramlen, void *bufptr, int buflen)
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{
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int err;
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uint namelen;
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uint iolen;
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namelen = strlen(iovar) + 1; /* length of iovar name plus null */
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iolen = namelen + paramlen;
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/* check for overflow */
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if (iolen > buflen)
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return (BCME_BUFTOOSHORT);
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memcpy(bufptr, iovar, namelen); /* copy iovar name including null */
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memcpy((int8*)bufptr + namelen, param, paramlen);
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err = wl_ioctl(dev, WLC_GET_VAR, bufptr, buflen);
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return (err);
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}
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static int
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wl_iovar_setbuf(struct net_device *dev, char *iovar, void *param, int paramlen, void *bufptr, int buflen)
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{
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uint namelen;
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uint iolen;
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namelen = strlen(iovar) + 1; /* length of iovar name plus null */
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iolen = namelen + paramlen;
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/* check for overflow */
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if (iolen > buflen)
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return (BCME_BUFTOOSHORT);
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memcpy(bufptr, iovar, namelen); /* copy iovar name including null */
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memcpy((int8*)bufptr + namelen, param, paramlen);
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return wl_ioctl(dev, WLC_SET_VAR, bufptr, iolen);
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}
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static int
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wl_iovar_set(struct net_device *dev, char *iovar, void *param, int paramlen)
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{
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char smbuf[WLC_IOCTL_SMLEN];
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return wl_iovar_setbuf(dev, iovar, param, paramlen, smbuf, sizeof(smbuf));
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}
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static int
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wl_iovar_get(struct net_device *dev, char *iovar, void *bufptr, int buflen)
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{
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char smbuf[WLC_IOCTL_SMLEN];
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int ret;
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/* use the return buffer if it is bigger than what we have on the stack */
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if (buflen > sizeof(smbuf)) {
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ret = wl_iovar_getbuf(dev, iovar, NULL, 0, bufptr, buflen);
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} else {
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ret = wl_iovar_getbuf(dev, iovar, NULL, 0, smbuf, sizeof(smbuf));
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if (ret == 0)
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memcpy(bufptr, smbuf, buflen);
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}
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return ret;
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}
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#ifdef notyet
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/*
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* format a bsscfg indexed iovar buffer
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*/
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static int
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wl_bssiovar_mkbuf(char *iovar, int bssidx, void *param, int paramlen, void *bufptr, int buflen,
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int *plen)
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{
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char *prefix = "bsscfg:";
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int8* p;
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uint prefixlen;
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uint namelen;
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uint iolen;
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prefixlen = strlen(prefix); /* length of bsscfg prefix */
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namelen = strlen(iovar) + 1; /* length of iovar name + null */
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iolen = prefixlen + namelen + sizeof(int) + paramlen;
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/* check for overflow */
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if (buflen < 0 || iolen > (uint)buflen) {
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*plen = 0;
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return BCME_BUFTOOSHORT;
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}
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p = (int8*)bufptr;
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/* copy prefix, no null */
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memcpy(p, prefix, prefixlen);
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p += prefixlen;
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/* copy iovar name including null */
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memcpy(p, iovar, namelen);
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p += namelen;
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/* bss config index as first param */
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memcpy(p, &bssidx, sizeof(int32));
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p += sizeof(int32);
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/* parameter buffer follows */
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if (paramlen)
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memcpy(p, param, paramlen);
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*plen = iolen;
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return 0;
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}
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/*
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* set named & bss indexed driver variable to buffer value
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*/
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static int
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wl_bssiovar_setbuf(struct net_device *dev, char *iovar, int bssidx, void *param, int paramlen, void *bufptr,
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int buflen)
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{
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int err;
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int iolen;
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err = wl_bssiovar_mkbuf(iovar, bssidx, param, paramlen, bufptr, buflen, &iolen);
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if (err)
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return err;
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return wl_ioctl(dev, WLC_SET_VAR, bufptr, iolen);
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}
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/*
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* get named & bss indexed driver variable buffer value
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*/
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static int
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wl_bssiovar_getbuf(struct net_device *dev, char *iovar, int bssidx, void *param, int paramlen, void *bufptr,
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int buflen)
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{
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int err;
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int iolen;
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err = wl_bssiovar_mkbuf(iovar, bssidx, param, paramlen, bufptr, buflen, &iolen);
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if (err)
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return err;
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return wl_ioctl(dev, WLC_GET_VAR, bufptr, buflen);
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}
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/*
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* set named & bss indexed driver variable to buffer value
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*/
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static int
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wl_bssiovar_set(struct net_device *dev, char *iovar, int bssidx, void *param, int paramlen)
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{
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char smbuf[WLC_IOCTL_SMLEN];
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return wl_bssiovar_setbuf(dev, iovar, bssidx, param, paramlen, smbuf, sizeof(smbuf));
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}
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/*
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* get named & bss indexed driver variable buffer value
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*/
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static int
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wl_bssiovar_get(struct net_device *dev, char *iovar, int bssidx, void *outbuf, int len)
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{
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char smbuf[WLC_IOCTL_SMLEN];
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int err;
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/* use the return buffer if it is bigger than what we have on the stack */
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if (len > (int)sizeof(smbuf)) {
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err = wl_bssiovar_getbuf(dev, iovar, bssidx, NULL, 0, outbuf, len);
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} else {
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memset(smbuf, 0, sizeof(smbuf));
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err = wl_bssiovar_getbuf(dev, iovar, bssidx, NULL, 0, smbuf, sizeof(smbuf));
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if (err == 0)
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memcpy(outbuf, smbuf, len);
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}
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return err;
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}
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#endif
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int get_primary_key(struct net_device *dev)
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{
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int key, val;
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for (key = val = 0; (key < 4) && (val == 0); key++) {
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val = key;
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if (wl_ioctl(dev, WLC_GET_KEY_PRIMARY, &val, sizeof(val)) < 0)
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return -EINVAL;
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}
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return key;
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}
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static int wlcompat_ioctl_getiwrange(struct net_device *dev,
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char *extra)
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{
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int i, k;
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struct iw_range *range;
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range = (struct iw_range *) extra;
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memset(extra, 0, sizeof(struct iw_range));
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range->we_version_compiled = WIRELESS_EXT;
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range->we_version_source = WIRELESS_EXT;
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range->min_nwid = range->max_nwid = 0;
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range->num_channels = NUM_CHANNELS;
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k = 0;
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for (i = 0; i < NUM_CHANNELS; i++) {
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range->freq[k].i = i + 1;
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range->freq[k].m = channel_frequency[i] * 100000;
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range->freq[k].e = 1;
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k++;
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if (k >= IW_MAX_FREQUENCIES)
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break;
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}
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range->num_frequency = k;
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range->sensitivity = 3;
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/* nbd: don't know what this means, but other drivers set it this way */
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range->pmp_flags = IW_POWER_PERIOD;
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range->pmt_flags = IW_POWER_TIMEOUT;
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range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_UNICAST_R;
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range->min_pmp = 0;
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range->max_pmp = 65535000;
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range->min_pmt = 0;
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range->max_pmt = 65535 * 1000;
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range->max_qual.qual = 0;
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range->max_qual.level = 0;
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range->max_qual.noise = 0;
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range->min_rts = 0;
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if (wl_iovar_get(dev, "rtsthresh", &range->max_rts, sizeof(int)) < 0)
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range->max_rts = 2347;
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range->min_frag = 256;
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if (wl_iovar_get(dev, "fragthresh", &range->max_frag, sizeof(int)) < 0)
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range->max_frag = 2346;
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range->txpower_capa = IW_TXPOW_DBM;
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return 0;
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}
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static int wlcompat_set_scan(struct net_device *dev,
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struct iw_request_info *info,
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union iwreq_data *wrqu,
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char *extra)
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{
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int ap = 0;
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wl_scan_params_t params;
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memset(¶ms, 0, sizeof(params));
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/* use defaults (same parameters as wl scan) */
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memset(¶ms.bssid, 0xff, sizeof(params.bssid));
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params.bss_type = DOT11_BSSTYPE_ANY;
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params.scan_type = -1;
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params.nprobes = -1;
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params.active_time = -1;
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params.passive_time = -1;
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params.home_time = -1;
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/* can only scan in STA mode */
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wl_ioctl(dev, WLC_GET_AP, &last_mode, sizeof(last_mode));
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if (last_mode > 0) {
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/* switch to ap mode, scan result query will switch back */
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wl_ioctl(dev, WLC_SET_AP, &ap, sizeof(ap));
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/* wait 250 msec after mode change */
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set_current_state(TASK_INTERRUPTIBLE);
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schedule_timeout(msecs_to_jiffies(250));
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}
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scan_cur = SCAN_RETRY_MAX;
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while (scan_cur-- && (wl_ioctl(dev, WLC_SCAN, ¶ms, 64) < 0)) {
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/* sometimes the driver takes a few tries... */
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set_current_state(TASK_INTERRUPTIBLE);
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schedule_timeout(msecs_to_jiffies(250));
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}
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if (!scan_cur)
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return -EINVAL;
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scan_cur = 0;
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/* wait at least 2 seconds for results */
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set_current_state(TASK_INTERRUPTIBLE);
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schedule_timeout(msecs_to_jiffies(2000));
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return 0;
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}
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struct iw_statistics *wlcompat_get_wireless_stats(struct net_device *dev)
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{
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struct wl_bss_info *bss_info = (struct wl_bss_info *) buf;
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get_pktcnt_t pkt;
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unsigned int rssi, noise, ap;
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memset(&wstats, 0, sizeof(wstats));
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memset(&pkt, 0, sizeof(pkt));
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memset(buf, 0, sizeof(buf));
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bss_info->version = 0x2000;
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wl_ioctl(dev, WLC_GET_BSS_INFO, bss_info, WLC_IOCTL_MAXLEN);
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wl_ioctl(dev, WLC_GET_PKTCNTS, &pkt, sizeof(pkt));
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rssi = 0;
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if ((wl_ioctl(dev, WLC_GET_AP, &ap, sizeof(ap)) < 0) || ap) {
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if (wl_ioctl(dev, WLC_GET_PHY_NOISE, &noise, sizeof(noise)) < 0)
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noise = 0;
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} else {
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// somehow the structure doesn't fit here
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rssi = buf[82];
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noise = buf[84];
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}
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rssi = (rssi == 0 ? 1 : rssi);
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wstats.qual.updated = 0x10;
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if (rssi <= 1)
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wstats.qual.updated |= 0x20;
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if (noise <= 1)
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wstats.qual.updated |= 0x40;
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if ((wstats.qual.updated & 0x60) == 0x60)
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return NULL;
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wstats.qual.level = rssi;
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wstats.qual.noise = noise;
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wstats.discard.misc = pkt.rx_bad_pkt;
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wstats.discard.retries = pkt.tx_bad_pkt;
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return &wstats;
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}
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static int wlcompat_get_scan(struct net_device *dev,
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struct iw_request_info *info,
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union iwreq_data *wrqu,
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char *extra)
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{
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wl_scan_results_t *results = (wl_scan_results_t *) buf;
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wl_bss_info_t *bss_info;
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char *info_ptr;
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char *current_ev = extra;
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char *current_val;
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char *end_buf = extra + IW_SCAN_MAX_DATA;
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struct iw_event iwe;
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int i, j;
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int rssi, noise;
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memset(buf, 0, WLC_IOCTL_MAXLEN);
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results->buflen = WLC_IOCTL_MAXLEN - sizeof(wl_scan_results_t);
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if (wl_ioctl(dev, WLC_SCAN_RESULTS, buf, WLC_IOCTL_MAXLEN) < 0)
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return -EAGAIN;
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if ((results->count <= 0) && (scan_cur++ < SCAN_RETRY_MAX))
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return -EAGAIN;
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bss_info = &(results->bss_info[0]);
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info_ptr = (char *) bss_info;
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for (i = 0; i < results->count; i++) {
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/* send the cell address (must be sent first) */
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iwe.cmd = SIOCGIWAP;
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iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
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memcpy(&iwe.u.ap_addr.sa_data, &bss_info->BSSID, sizeof(bss_info->BSSID));
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current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_ADDR_LEN);
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/* send the ESSID */
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iwe.cmd = SIOCGIWESSID;
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iwe.u.data.length = bss_info->SSID_len;
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if (iwe.u.data.length > IW_ESSID_MAX_SIZE)
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iwe.u.data.length = IW_ESSID_MAX_SIZE;
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iwe.u.data.flags = 1;
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current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, bss_info->SSID);
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/* send mode */
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if (bss_info->capability & (DOT11_CAP_ESS | DOT11_CAP_IBSS)) {
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iwe.cmd = SIOCGIWMODE;
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if (bss_info->capability & DOT11_CAP_ESS)
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iwe.u.mode = IW_MODE_MASTER;
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else if (bss_info->capability & DOT11_CAP_IBSS)
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iwe.u.mode = IW_MODE_ADHOC;
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current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_UINT_LEN);
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}
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/* send frequency/channel info */
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iwe.cmd = SIOCGIWFREQ;
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iwe.u.freq.e = 0;
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iwe.u.freq.m = bss_info->chanspec & WL_CHANSPEC_CHAN_MASK;
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current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_FREQ_LEN);
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/* add quality statistics */
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iwe.cmd = IWEVQUAL;
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iwe.u.qual.qual = 0;
|
|
iwe.u.qual.level = bss_info->RSSI;
|
|
iwe.u.qual.noise = bss_info->phy_noise;
|
|
current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_QUAL_LEN);
|
|
|
|
/* send encryption capability */
|
|
iwe.cmd = SIOCGIWENCODE;
|
|
iwe.u.data.pointer = NULL;
|
|
iwe.u.data.length = 0;
|
|
if (bss_info->capability & DOT11_CAP_PRIVACY)
|
|
iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
|
|
else
|
|
iwe.u.data.flags = IW_ENCODE_DISABLED;
|
|
current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, NULL);
|
|
|
|
/* send rate information */
|
|
iwe.cmd = SIOCGIWRATE;
|
|
current_val = current_ev + IW_EV_LCP_LEN;
|
|
iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
|
|
|
|
for(j = 0 ; j < bss_info->rateset.count ; j++) {
|
|
iwe.u.bitrate.value = ((bss_info->rateset.rates[j] & 0x7f) * 500000);
|
|
current_val = iwe_stream_add_value(current_ev, current_val, end_buf, &iwe, IW_EV_PARAM_LEN);
|
|
}
|
|
if((current_val - current_ev) > IW_EV_LCP_LEN)
|
|
current_ev = current_val;
|
|
|
|
info_ptr += sizeof(wl_bss_info_t);
|
|
if (bss_info->ie_length % 4)
|
|
info_ptr += bss_info->ie_length + 4 - (bss_info->ie_length % 4);
|
|
else
|
|
info_ptr += bss_info->ie_length;
|
|
bss_info = (wl_bss_info_t *) info_ptr;
|
|
}
|
|
|
|
wrqu->data.length = (current_ev - extra);
|
|
wrqu->data.flags = 0;
|
|
|
|
if (last_mode > 0)
|
|
/* switch back to ap mode */
|
|
wl_ioctl(dev, WLC_SET_AP, &last_mode, sizeof(last_mode));
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int wlcompat_ioctl(struct net_device *dev,
|
|
struct iw_request_info *info,
|
|
union iwreq_data *wrqu,
|
|
char *extra)
|
|
{
|
|
switch (info->cmd) {
|
|
case SIOCGIWNAME:
|
|
strcpy(wrqu->name, "IEEE 802.11-DS");
|
|
break;
|
|
case SIOCGIWFREQ:
|
|
{
|
|
channel_info_t ci;
|
|
|
|
if (wl_ioctl(dev,WLC_GET_CHANNEL, &ci, sizeof(ci)) < 0)
|
|
return -EINVAL;
|
|
|
|
wrqu->freq.m = ci.target_channel;
|
|
wrqu->freq.e = 0;
|
|
break;
|
|
}
|
|
case SIOCSIWFREQ:
|
|
{
|
|
if (wrqu->freq.m == -1) {
|
|
wrqu->freq.m = 0;
|
|
if (wl_ioctl(dev, WLC_SET_CHANNEL, &wrqu->freq.m, sizeof(int)) < 0)
|
|
return -EINVAL;
|
|
} else {
|
|
if (wrqu->freq.e == 1) {
|
|
int channel = 0;
|
|
int f = wrqu->freq.m / 100000;
|
|
while ((channel < NUM_CHANNELS + 1) && (f != channel_frequency[channel]))
|
|
channel++;
|
|
|
|
if (channel == NUM_CHANNELS) // channel not found
|
|
return -EINVAL;
|
|
|
|
wrqu->freq.e = 0;
|
|
wrqu->freq.m = channel + 1;
|
|
}
|
|
if ((wrqu->freq.e == 0) && (wrqu->freq.m < 1000)) {
|
|
if (wl_ioctl(dev, WLC_SET_CHANNEL, &wrqu->freq.m, sizeof(int)) < 0)
|
|
return -EINVAL;
|
|
} else {
|
|
return -EINVAL;
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
case SIOCSIWAP:
|
|
{
|
|
int ap = 0;
|
|
int infra = 0;
|
|
rw_reg_t reg;
|
|
|
|
memset(®, 0, sizeof(reg));
|
|
|
|
if (wrqu->ap_addr.sa_family != ARPHRD_ETHER)
|
|
return -EINVAL;
|
|
|
|
if (wl_ioctl(dev, WLC_GET_AP, &ap, sizeof(ap)) < 0)
|
|
return -EINVAL;
|
|
|
|
if (wl_ioctl(dev, WLC_GET_INFRA, &infra, sizeof(infra)) < 0)
|
|
return -EINVAL;
|
|
|
|
if (!infra)
|
|
wl_ioctl(dev, WLC_SET_BSSID, wrqu->ap_addr.sa_data, 6);
|
|
|
|
if (wl_ioctl(dev, ((ap || !infra) ? WLC_SET_BSSID : WLC_REASSOC), wrqu->ap_addr.sa_data, 6) < 0)
|
|
return -EINVAL;
|
|
|
|
break;
|
|
}
|
|
case SIOCGIWAP:
|
|
{
|
|
wrqu->ap_addr.sa_family = ARPHRD_ETHER;
|
|
if (wl_ioctl(dev,WLC_GET_BSSID,wrqu->ap_addr.sa_data,6) < 0)
|
|
return -EINVAL;
|
|
break;
|
|
}
|
|
case SIOCGIWESSID:
|
|
{
|
|
wlc_ssid_t ssid;
|
|
|
|
if (wl_ioctl(dev,WLC_GET_SSID, &ssid, sizeof(wlc_ssid_t)) < 0)
|
|
return -EINVAL;
|
|
|
|
wrqu->essid.flags = wrqu->data.flags = 1;
|
|
wrqu->essid.length = wrqu->data.length = ssid.SSID_len + 1;
|
|
memcpy(extra,ssid.SSID,ssid.SSID_len + 1);
|
|
break;
|
|
}
|
|
case SIOCSIWESSID:
|
|
{
|
|
wlc_ssid_t ssid;
|
|
memset(&ssid, 0, sizeof(ssid));
|
|
ssid.SSID_len = strlen(extra);
|
|
if (ssid.SSID_len > 32)
|
|
ssid.SSID_len = 32;
|
|
memcpy(ssid.SSID, extra, ssid.SSID_len);
|
|
if (wl_ioctl(dev, WLC_SET_SSID, &ssid, sizeof(ssid)) < 0)
|
|
return -EINVAL;
|
|
break;
|
|
}
|
|
case SIOCGIWRTS:
|
|
{
|
|
if (wl_iovar_get(dev, "rtsthresh", &(wrqu->rts.value), sizeof(int)) < 0)
|
|
return -EINVAL;
|
|
break;
|
|
}
|
|
case SIOCSIWRTS:
|
|
{
|
|
if (wl_iovar_set(dev, "rtsthresh", &(wrqu->rts.value), sizeof(int)) < 0)
|
|
return -EINVAL;
|
|
break;
|
|
}
|
|
case SIOCGIWFRAG:
|
|
{
|
|
if (wl_iovar_get(dev, "fragthresh", &(wrqu->frag.value), sizeof(int)) < 0)
|
|
return -EINVAL;
|
|
break;
|
|
}
|
|
case SIOCSIWFRAG:
|
|
{
|
|
if (wl_iovar_set(dev, "fragthresh", &(wrqu->frag.value), sizeof(int)) < 0)
|
|
return -EINVAL;
|
|
break;
|
|
}
|
|
case SIOCGIWTXPOW:
|
|
{
|
|
int radio, override;
|
|
|
|
wl_ioctl(dev, WLC_GET_RADIO, &radio, sizeof(int));
|
|
|
|
if (wl_iovar_get(dev, "qtxpower", &(wrqu->txpower.value), sizeof(int)) < 0)
|
|
return -EINVAL;
|
|
|
|
override = (wrqu->txpower.value & WL_TXPWR_OVERRIDE) == WL_TXPWR_OVERRIDE;
|
|
wrqu->txpower.value &= ~WL_TXPWR_OVERRIDE;
|
|
if (!override && (wrqu->txpower.value > 76))
|
|
wrqu->txpower.value = 76;
|
|
wrqu->txpower.value /= 4;
|
|
|
|
wrqu->txpower.fixed = 0;
|
|
wrqu->txpower.disabled = radio;
|
|
wrqu->txpower.flags = IW_TXPOW_DBM;
|
|
break;
|
|
}
|
|
case SIOCSIWTXPOW:
|
|
{
|
|
/* This is weird: WLC_SET_RADIO with 1 as argument disables the radio */
|
|
int radio = wrqu->txpower.disabled;
|
|
|
|
wl_ioctl(dev, WLC_SET_RADIO, &radio, sizeof(int));
|
|
|
|
if (!wrqu->txpower.disabled && (wrqu->txpower.value > 0)) {
|
|
int value;
|
|
|
|
if (wl_iovar_get(dev, "qtxpower", &value, sizeof(int)) < 0)
|
|
return -EINVAL;
|
|
|
|
value &= WL_TXPWR_OVERRIDE;
|
|
wrqu->txpower.value *= 4;
|
|
wrqu->txpower.value |= value;
|
|
|
|
if (wrqu->txpower.flags != IW_TXPOW_DBM)
|
|
return -EINVAL;
|
|
|
|
if (wrqu->txpower.value > 0)
|
|
if (wl_iovar_set(dev, "qtxpower", &(wrqu->txpower.value), sizeof(int)) < 0)
|
|
return -EINVAL;
|
|
}
|
|
break;
|
|
}
|
|
case SIOCSIWENCODE:
|
|
{
|
|
int val = 0, wep = 1, wrestrict = 1;
|
|
int index = (wrqu->data.flags & IW_ENCODE_INDEX) - 1;
|
|
|
|
if (index < 0)
|
|
index = get_primary_key(dev);
|
|
|
|
if (wrqu->data.flags & IW_ENCODE_DISABLED) {
|
|
wep = 0;
|
|
if (wl_ioctl(dev, WLC_SET_WSEC, &wep, sizeof(val)) < 0)
|
|
return -EINVAL;
|
|
return 0;
|
|
}
|
|
|
|
if (wl_ioctl(dev, WLC_SET_WSEC, &wep, sizeof(val)) < 0)
|
|
return -EINVAL;
|
|
|
|
if (wrqu->data.flags & IW_ENCODE_OPEN)
|
|
wrestrict = 0;
|
|
|
|
if (wrqu->data.pointer && (wrqu->data.length > 0) && (wrqu->data.length <= 16)) {
|
|
wl_wsec_key_t key;
|
|
memset(&key, 0, sizeof(key));
|
|
|
|
key.flags = WL_PRIMARY_KEY;
|
|
key.len = wrqu->data.length;
|
|
key.index = index;
|
|
memcpy(key.data, wrqu->data.pointer, wrqu->data.length);
|
|
|
|
if (wl_ioctl(dev, WLC_SET_KEY, &key, sizeof(key)) < 0)
|
|
return -EINVAL;
|
|
}
|
|
|
|
if (index >= 0)
|
|
wl_ioctl(dev, WLC_SET_KEY_PRIMARY, &index, sizeof(index));
|
|
|
|
if (wrestrict >= 0)
|
|
wl_ioctl(dev, WLC_SET_WEP_RESTRICT, &wrestrict, sizeof(wrestrict));
|
|
|
|
break;
|
|
}
|
|
case SIOCGIWENCODE:
|
|
{
|
|
int val;
|
|
int key = get_primary_key(dev);
|
|
int *info_addr;
|
|
wkey *wep_key;
|
|
|
|
if (wl_ioctl(dev, WLC_GET_WSEC, &val, sizeof(val)) < 0)
|
|
return -EINVAL;
|
|
if (!(val & WEP_ENABLED)) {
|
|
wrqu->data.flags = IW_ENCODE_DISABLED;
|
|
break;
|
|
}
|
|
|
|
key = get_primary_key(dev);
|
|
wrqu->data.flags = IW_ENCODE_ENABLED;
|
|
|
|
/* the driver apparently doesn't allow us to read the wep key */
|
|
wrqu->data.flags |= IW_ENCODE_NOKEY;
|
|
|
|
break;
|
|
}
|
|
case SIOCGIWRANGE:
|
|
{
|
|
return wlcompat_ioctl_getiwrange(dev, extra);
|
|
break;
|
|
}
|
|
case SIOCSIWMODE:
|
|
{
|
|
int ap = -1, infra = -1, passive = 0, wet = 0;
|
|
|
|
switch (wrqu->mode) {
|
|
case IW_MODE_MONITOR:
|
|
passive = 1;
|
|
break;
|
|
case IW_MODE_ADHOC:
|
|
infra = 0;
|
|
ap = 0;
|
|
break;
|
|
case IW_MODE_MASTER:
|
|
infra = 1;
|
|
ap = 1;
|
|
break;
|
|
case IW_MODE_INFRA:
|
|
infra = 1;
|
|
ap = 0;
|
|
break;
|
|
case IW_MODE_REPEAT:
|
|
infra = 1;
|
|
ap = 0;
|
|
wet = 1;
|
|
break;
|
|
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
wl_ioctl(dev, WLC_SET_PASSIVE, &passive, sizeof(passive));
|
|
wl_ioctl(dev, WLC_SET_MONITOR, &passive, sizeof(passive));
|
|
wl_ioctl(dev, WLC_SET_WET, &wet, sizeof(wet));
|
|
if (ap >= 0)
|
|
wl_ioctl(dev, WLC_SET_AP, &ap, sizeof(ap));
|
|
if (infra >= 0)
|
|
wl_ioctl(dev, WLC_SET_INFRA, &infra, sizeof(infra));
|
|
|
|
break;
|
|
|
|
}
|
|
case SIOCGIWMODE:
|
|
{
|
|
int ap, infra, wet, passive;
|
|
|
|
if (wl_ioctl(dev, WLC_GET_AP, &ap, sizeof(ap)) < 0)
|
|
return -EINVAL;
|
|
if (wl_ioctl(dev, WLC_GET_INFRA, &infra, sizeof(infra)) < 0)
|
|
return -EINVAL;
|
|
if (wl_ioctl(dev, WLC_GET_PASSIVE, &passive, sizeof(passive)) < 0)
|
|
return -EINVAL;
|
|
if (wl_ioctl(dev, WLC_GET_WET, &wet, sizeof(wet)) < 0)
|
|
return -EINVAL;
|
|
|
|
if (passive) {
|
|
wrqu->mode = IW_MODE_MONITOR;
|
|
} else if (!infra) {
|
|
wrqu->mode = IW_MODE_ADHOC;
|
|
} else {
|
|
if (ap) {
|
|
wrqu->mode = IW_MODE_MASTER;
|
|
} else {
|
|
if (wet) {
|
|
wrqu->mode = IW_MODE_REPEAT;
|
|
} else {
|
|
wrqu->mode = IW_MODE_INFRA;
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
default:
|
|
return -EINVAL;
|
|
break;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const iw_handler wlcompat_handler[] = {
|
|
NULL, /* SIOCSIWCOMMIT */
|
|
wlcompat_ioctl, /* SIOCGIWNAME */
|
|
NULL, /* SIOCSIWNWID */
|
|
NULL, /* SIOCGIWNWID */
|
|
wlcompat_ioctl, /* SIOCSIWFREQ */
|
|
wlcompat_ioctl, /* SIOCGIWFREQ */
|
|
wlcompat_ioctl, /* SIOCSIWMODE */
|
|
wlcompat_ioctl, /* SIOCGIWMODE */
|
|
NULL, /* SIOCSIWSENS */
|
|
NULL, /* SIOCGIWSENS */
|
|
NULL, /* SIOCSIWRANGE, unused */
|
|
wlcompat_ioctl, /* SIOCGIWRANGE */
|
|
NULL, /* SIOCSIWPRIV */
|
|
NULL, /* SIOCGIWPRIV */
|
|
NULL, /* SIOCSIWSTATS */
|
|
NULL, /* SIOCGIWSTATS */
|
|
iw_handler_set_spy, /* SIOCSIWSPY */
|
|
iw_handler_get_spy, /* SIOCGIWSPY */
|
|
iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
|
|
iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
|
|
wlcompat_ioctl, /* SIOCSIWAP */
|
|
wlcompat_ioctl, /* SIOCGIWAP */
|
|
NULL, /* -- hole -- */
|
|
NULL, /* SIOCGIWAPLIST */
|
|
wlcompat_set_scan, /* SIOCSIWSCAN */
|
|
wlcompat_get_scan, /* SIOCGIWSCAN */
|
|
wlcompat_ioctl, /* SIOCSIWESSID */
|
|
wlcompat_ioctl, /* SIOCGIWESSID */
|
|
NULL, /* SIOCSIWNICKN */
|
|
NULL, /* SIOCGIWNICKN */
|
|
NULL, /* -- hole -- */
|
|
NULL, /* -- hole -- */
|
|
NULL, /* SIOCSIWRATE */
|
|
NULL, /* SIOCGIWRATE */
|
|
wlcompat_ioctl, /* SIOCSIWRTS */
|
|
wlcompat_ioctl, /* SIOCGIWRTS */
|
|
wlcompat_ioctl, /* SIOCSIWFRAG */
|
|
wlcompat_ioctl, /* SIOCGIWFRAG */
|
|
wlcompat_ioctl, /* SIOCSIWTXPOW */
|
|
wlcompat_ioctl, /* SIOCGIWTXPOW */
|
|
NULL, /* SIOCSIWRETRY */
|
|
NULL, /* SIOCGIWRETRY */
|
|
wlcompat_ioctl, /* SIOCSIWENCODE */
|
|
wlcompat_ioctl, /* SIOCGIWENCODE */
|
|
};
|
|
|
|
|
|
static const struct iw_handler_def wlcompat_handler_def =
|
|
{
|
|
.standard = (iw_handler *) wlcompat_handler,
|
|
.num_standard = sizeof(wlcompat_handler)/sizeof(iw_handler),
|
|
};
|
|
|
|
|
|
#ifdef DEBUG
|
|
void print_buffer(int len, unsigned char *buf) {
|
|
int x;
|
|
if (buf != NULL) {
|
|
for (x=0;x<len && x<180 ;x++) {
|
|
if ((x % 4) == 0)
|
|
printk(" ");
|
|
printk("%02X",buf[x]);
|
|
}
|
|
} else {
|
|
printk(" NULL");
|
|
}
|
|
printk("\n");
|
|
|
|
}
|
|
#endif
|
|
static int (*old_ioctl)(struct net_device *dev, struct ifreq *ifr, int cmd);
|
|
static int new_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) {
|
|
int ret = 0;
|
|
struct iwreq *iwr = (struct iwreq *) ifr;
|
|
struct iw_request_info info;
|
|
|
|
#ifdef DEBUG
|
|
printk("dev: %s ioctl: 0x%04x\n",dev->name,cmd);
|
|
if (cmd==SIOCDEVPRIVATE) {
|
|
wl_ioctl_t *ioc = (wl_ioctl_t *)ifr->ifr_data;
|
|
unsigned char *buf = ioc->buf;
|
|
printk(" cmd: %d buf: 0x%08x len: %d\n",ioc->cmd,&(ioc->buf),ioc->len);
|
|
printk(" send: ->");
|
|
print_buffer(ioc->len, buf);
|
|
ret = old_ioctl(dev,ifr,cmd);
|
|
printk(" recv: ->");
|
|
print_buffer(ioc->len, buf);
|
|
printk(" ret: %d\n", ret);
|
|
} else
|
|
#endif
|
|
{
|
|
ret = old_ioctl(dev,ifr,cmd);
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
#ifndef DEBUG
|
|
static struct timer_list rng_timer;
|
|
static spinlock_t rng_lock = SPIN_LOCK_UNLOCKED;
|
|
|
|
static void rng_timer_tick(unsigned long n)
|
|
{
|
|
struct net_device *dev = (struct net_device *) n;
|
|
unsigned long flags;
|
|
u16 data[4];
|
|
int i, ret;
|
|
|
|
ret = 0;
|
|
spin_lock_irqsave(&rng_lock, flags);
|
|
for (i = 0; i < 3; i++) {
|
|
ret |= wl_iovar_get(dev, "rand", &data[i], sizeof(u16));
|
|
}
|
|
spin_unlock_irqrestore(&rng_lock, flags);
|
|
|
|
if (!ret)
|
|
batch_entropy_store(*((u32 *) &data[0]), *((u32 *) &data[2]), (jiffies % 255));
|
|
|
|
mod_timer(&rng_timer, jiffies + (HZ/RNG_POLL_FREQ));
|
|
}
|
|
#endif
|
|
|
|
static int __init wlcompat_init()
|
|
{
|
|
int found = 0, i;
|
|
char devname[4] = "wl0";
|
|
|
|
while (!found && (dev = dev_get_by_name(devname))) {
|
|
if ((dev->wireless_handlers == NULL) && ((wl_ioctl(dev, WLC_GET_MAGIC, &i, sizeof(i)) == 0) && i == WLC_IOCTL_MAGIC))
|
|
found = 1;
|
|
devname[2]++;
|
|
}
|
|
|
|
if (!found) {
|
|
printk("No Broadcom devices found.\n");
|
|
return -ENODEV;
|
|
}
|
|
|
|
|
|
old_ioctl = dev->do_ioctl;
|
|
dev->do_ioctl = new_ioctl;
|
|
dev->wireless_handlers = (struct iw_handler_def *)&wlcompat_handler_def;
|
|
dev->get_wireless_stats = wlcompat_get_wireless_stats;
|
|
|
|
#ifndef DEBUG
|
|
if (random) {
|
|
init_timer(&rng_timer);
|
|
rng_timer.function = rng_timer_tick;
|
|
rng_timer.data = (unsigned long) dev;
|
|
rng_timer_tick((unsigned long) dev);
|
|
}
|
|
#endif
|
|
|
|
#ifdef DEBUG
|
|
printk("broadcom driver private data: 0x%08x\n", dev->priv);
|
|
#endif
|
|
return 0;
|
|
}
|
|
|
|
static void __exit wlcompat_exit()
|
|
{
|
|
#ifndef DEBUG
|
|
if (random)
|
|
del_timer(&rng_timer);
|
|
#endif
|
|
dev->get_wireless_stats = NULL;
|
|
dev->wireless_handlers = NULL;
|
|
dev->do_ioctl = old_ioctl;
|
|
return;
|
|
}
|
|
|
|
EXPORT_NO_SYMBOLS;
|
|
MODULE_AUTHOR("openwrt.org");
|
|
MODULE_LICENSE("GPL");
|
|
|
|
#ifndef DEBUG
|
|
module_param(random, int, 0);
|
|
#endif
|
|
module_init(wlcompat_init);
|
|
module_exit(wlcompat_exit);
|