diff options
Diffstat (limited to 'package/broadcom-wl/src/wlcompat/wlcompat.c')
| -rw-r--r-- | package/broadcom-wl/src/wlcompat/wlcompat.c | 1040 |
1 files changed, 0 insertions, 1040 deletions
diff --git a/package/broadcom-wl/src/wlcompat/wlcompat.c b/package/broadcom-wl/src/wlcompat/wlcompat.c deleted file mode 100644 index 1b5dd78e16..0000000000 --- a/package/broadcom-wl/src/wlcompat/wlcompat.c +++ /dev/null @@ -1,1040 +0,0 @@ -/* - * wlcompat.c - * - * Copyright (C) 2005 Mike Baker - * Copyright (C) 2005-2007 Felix Fietkau <nbd@openwrt.org> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - * - */ - - -#include <linux/config.h> -#include <linux/module.h> -#include <linux/moduleparam.h> -#include <linux/init.h> -#include <linux/if_arp.h> -#include <linux/wireless.h> -#include <linux/timer.h> -#include <linux/delay.h> -#include <linux/random.h> -#include <net/iw_handler.h> -#include <asm/uaccess.h> - -#include <typedefs.h> -#include <bcmutils.h> -#include <wlioctl.h> - -char buf[WLC_IOCTL_MAXLEN]; -static struct net_device *dev; -#ifndef DEBUG -static int random = 1; -#endif -#ifndef WL_WEXT -static struct iw_statistics wstats; -static int last_mode = -1; -static int scan_cur = 0; - -/* The frequency of each channel in MHz */ -const long channel_frequency[] = { - 2412, 2417, 2422, 2427, 2432, 2437, 2442, - 2447, 2452, 2457, 2462, 2467, 2472, 2484 -}; -#define NUM_CHANNELS ( sizeof(channel_frequency) / sizeof(channel_frequency[0]) ) -#endif - -#define SCAN_RETRY_MAX 5 -#define RNG_POLL_FREQ 1 - -typedef struct internal_wsec_key { - uint8 index; // 0x00 - uint8 unknown_1; // 0x01 - uint8 type; // 0x02 - uint8 unknown_2[7]; // 0x03 - uint8 len; // 0x0a - uint8 pad[3]; - char data[32]; // 0x0e -} wkey; - - -#ifdef DEBUG -void print_buffer(int len, unsigned char *buf); -#endif - -static int wl_ioctl(struct net_device *dev, int cmd, void *buf, int len) -{ - mm_segment_t old_fs = get_fs(); - struct ifreq ifr; - int ret; - wl_ioctl_t ioc; - ioc.cmd = cmd; - ioc.buf = buf; - ioc.len = len; - strncpy(ifr.ifr_name, dev->name, IFNAMSIZ); - ifr.ifr_data = (caddr_t) &ioc; - set_fs(KERNEL_DS); - ret = dev->do_ioctl(dev,&ifr,SIOCDEVPRIVATE); - set_fs (old_fs); - return ret; -} - -#if !defined(DEBUG) || !defined(WL_WEXT) -static int -wl_iovar_getbuf(struct net_device *dev, char *iovar, void *param, int paramlen, void *bufptr, int buflen) -{ - int err; - uint namelen; - uint iolen; - - namelen = strlen(iovar) + 1; /* length of iovar name plus null */ - iolen = namelen + paramlen; - - /* check for overflow */ - if (iolen > buflen) - return (BCME_BUFTOOSHORT); - - memcpy(bufptr, iovar, namelen); /* copy iovar name including null */ - memcpy((int8*)bufptr + namelen, param, paramlen); - - err = wl_ioctl(dev, WLC_GET_VAR, bufptr, buflen); - - return (err); -} - -static int -wl_iovar_setbuf(struct net_device *dev, char *iovar, void *param, int paramlen, void *bufptr, int buflen) -{ - uint namelen; - uint iolen; - - namelen = strlen(iovar) + 1; /* length of iovar name plus null */ - iolen = namelen + paramlen; - - /* check for overflow */ - if (iolen > buflen) - return (BCME_BUFTOOSHORT); - - memcpy(bufptr, iovar, namelen); /* copy iovar name including null */ - memcpy((int8*)bufptr + namelen, param, paramlen); - - return wl_ioctl(dev, WLC_SET_VAR, bufptr, iolen); -} - -static int -wl_iovar_set(struct net_device *dev, char *iovar, void *param, int paramlen) -{ - char smbuf[WLC_IOCTL_SMLEN]; - - return wl_iovar_setbuf(dev, iovar, param, paramlen, smbuf, sizeof(smbuf)); -} - -static int -wl_iovar_get(struct net_device *dev, char *iovar, void *bufptr, int buflen) -{ - char smbuf[WLC_IOCTL_SMLEN]; - int ret; - - /* use the return buffer if it is bigger than what we have on the stack */ - if (buflen > sizeof(smbuf)) { - ret = wl_iovar_getbuf(dev, iovar, NULL, 0, bufptr, buflen); - } else { - ret = wl_iovar_getbuf(dev, iovar, NULL, 0, smbuf, sizeof(smbuf)); - if (ret == 0) - memcpy(bufptr, smbuf, buflen); - } - - return ret; -} - -#ifdef notyet -/* - * format a bsscfg indexed iovar buffer - */ -static int -wl_bssiovar_mkbuf(char *iovar, int bssidx, void *param, int paramlen, void *bufptr, int buflen, - int *plen) -{ - char *prefix = "bsscfg:"; - int8* p; - uint prefixlen; - uint namelen; - uint iolen; - - prefixlen = strlen(prefix); /* length of bsscfg prefix */ - namelen = strlen(iovar) + 1; /* length of iovar name + null */ - iolen = prefixlen + namelen + sizeof(int) + paramlen; - - /* check for overflow */ - if (buflen < 0 || iolen > (uint)buflen) { - *plen = 0; - return BCME_BUFTOOSHORT; - } - - p = (int8*)bufptr; - - /* copy prefix, no null */ - memcpy(p, prefix, prefixlen); - p += prefixlen; - - /* copy iovar name including null */ - memcpy(p, iovar, namelen); - p += namelen; - - /* bss config index as first param */ - memcpy(p, &bssidx, sizeof(int32)); - p += sizeof(int32); - - /* parameter buffer follows */ - if (paramlen) - memcpy(p, param, paramlen); - - *plen = iolen; - return 0; -} - -/* - * set named & bss indexed driver variable to buffer value - */ -static int -wl_bssiovar_setbuf(struct net_device *dev, char *iovar, int bssidx, void *param, int paramlen, void *bufptr, - int buflen) -{ - int err; - int iolen; - - err = wl_bssiovar_mkbuf(iovar, bssidx, param, paramlen, bufptr, buflen, &iolen); - if (err) - return err; - - return wl_ioctl(dev, WLC_SET_VAR, bufptr, iolen); -} - -/* - * get named & bss indexed driver variable buffer value - */ -static int -wl_bssiovar_getbuf(struct net_device *dev, char *iovar, int bssidx, void *param, int paramlen, void *bufptr, - int buflen) -{ - int err; - int iolen; - - err = wl_bssiovar_mkbuf(iovar, bssidx, param, paramlen, bufptr, buflen, &iolen); - if (err) - return err; - - return wl_ioctl(dev, WLC_GET_VAR, bufptr, buflen); -} - -/* - * set named & bss indexed driver variable to buffer value - */ -static int -wl_bssiovar_set(struct net_device *dev, char *iovar, int bssidx, void *param, int paramlen) -{ - char smbuf[WLC_IOCTL_SMLEN]; - - return wl_bssiovar_setbuf(dev, iovar, bssidx, param, paramlen, smbuf, sizeof(smbuf)); -} - -/* - * get named & bss indexed driver variable buffer value - */ -static int -wl_bssiovar_get(struct net_device *dev, char *iovar, int bssidx, void *outbuf, int len) -{ - char smbuf[WLC_IOCTL_SMLEN]; - int err; - - /* use the return buffer if it is bigger than what we have on the stack */ - if (len > (int)sizeof(smbuf)) { - err = wl_bssiovar_getbuf(dev, iovar, bssidx, NULL, 0, outbuf, len); - } else { - memset(smbuf, 0, sizeof(smbuf)); - err = wl_bssiovar_getbuf(dev, iovar, bssidx, NULL, 0, smbuf, sizeof(smbuf)); - if (err == 0) - memcpy(outbuf, smbuf, len); - } - - return err; -} -#endif -#endif - -#ifndef WL_WEXT - -int get_primary_key(struct net_device *dev) -{ - int key, val; - - for (key = val = 0; (key < 4) && (val == 0); key++) { - val = key; - if (wl_ioctl(dev, WLC_GET_KEY_PRIMARY, &val, sizeof(val)) < 0) - return -EINVAL; - } - return key; -} - - -static int wlcompat_ioctl_getiwrange(struct net_device *dev, - char *extra) -{ - int i, k; - struct iw_range *range; - - range = (struct iw_range *) extra; - memset(extra, 0, sizeof(struct iw_range)); - - range->we_version_compiled = WIRELESS_EXT; - range->we_version_source = WIRELESS_EXT; - - range->min_nwid = range->max_nwid = 0; - - range->num_channels = NUM_CHANNELS; - k = 0; - for (i = 0; i < NUM_CHANNELS; i++) { - range->freq[k].i = i + 1; - range->freq[k].m = channel_frequency[i] * 100000; - range->freq[k].e = 1; - k++; - if (k >= IW_MAX_FREQUENCIES) - break; - } - range->num_frequency = k; - range->sensitivity = 3; - - /* nbd: don't know what this means, but other drivers set it this way */ - range->pmp_flags = IW_POWER_PERIOD; - range->pmt_flags = IW_POWER_TIMEOUT; - range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_UNICAST_R; - - range->min_pmp = 0; - range->max_pmp = 65535000; - range->min_pmt = 0; - range->max_pmt = 65535 * 1000; - - range->max_qual.qual = 0; - range->max_qual.level = 0; - range->max_qual.noise = 0; - - range->min_rts = 0; - if (wl_iovar_get(dev, "rtsthresh", &range->max_rts, sizeof(int)) < 0) - range->max_rts = 2347; - - range->min_frag = 256; - - if (wl_iovar_get(dev, "fragthresh", &range->max_frag, sizeof(int)) < 0) - range->max_frag = 2346; - - range->txpower_capa = IW_TXPOW_DBM; - - return 0; -} - - -static int wlcompat_set_scan(struct net_device *dev, - struct iw_request_info *info, - union iwreq_data *wrqu, - char *extra) -{ - int ap = 0; - wl_scan_params_t params; - - memset(¶ms, 0, sizeof(params)); - - /* use defaults (same parameters as wl scan) */ - memset(¶ms.bssid, 0xff, sizeof(params.bssid)); - params.bss_type = DOT11_BSSTYPE_ANY; - params.scan_type = -1; - params.nprobes = -1; - params.active_time = -1; - params.passive_time = -1; - params.home_time = -1; - - /* can only scan in STA mode */ - wl_ioctl(dev, WLC_GET_AP, &last_mode, sizeof(last_mode)); - if (last_mode > 0) { - /* switch to ap mode, scan result query will switch back */ - wl_ioctl(dev, WLC_SET_AP, &ap, sizeof(ap)); - - /* wait 250 msec after mode change */ - set_current_state(TASK_INTERRUPTIBLE); - schedule_timeout(msecs_to_jiffies(250)); - } - - scan_cur = SCAN_RETRY_MAX; - while (scan_cur-- && (wl_ioctl(dev, WLC_SCAN, ¶ms, 64) < 0)) { - /* sometimes the driver takes a few tries... */ - set_current_state(TASK_INTERRUPTIBLE); - schedule_timeout(msecs_to_jiffies(250)); - } - - if (!scan_cur) - return -EINVAL; - - scan_cur = 0; - - /* wait at least 2 seconds for results */ - set_current_state(TASK_INTERRUPTIBLE); - schedule_timeout(msecs_to_jiffies(2000)); - - return 0; -} - - -struct iw_statistics *wlcompat_get_wireless_stats(struct net_device *dev) -{ - struct wl_bss_info *bss_info = (struct wl_bss_info *) buf; - get_pktcnt_t pkt; - unsigned int rssi, noise, ap; - - memset(&wstats, 0, sizeof(wstats)); - memset(&pkt, 0, sizeof(pkt)); - memset(buf, 0, sizeof(buf)); - bss_info->version = 0x2000; - wl_ioctl(dev, WLC_GET_BSS_INFO, bss_info, WLC_IOCTL_MAXLEN); - wl_ioctl(dev, WLC_GET_PKTCNTS, &pkt, sizeof(pkt)); - - rssi = 0; - if ((wl_ioctl(dev, WLC_GET_AP, &ap, sizeof(ap)) < 0) || ap) { - if (wl_ioctl(dev, WLC_GET_PHY_NOISE, &noise, sizeof(noise)) < 0) - noise = 0; - } else { - // somehow the structure doesn't fit here - rssi = buf[82]; - noise = buf[84]; - } - rssi = (rssi == 0 ? 1 : rssi); - wstats.qual.updated = 0x10; - if (rssi <= 1) - wstats.qual.updated |= 0x20; - if (noise <= 1) - wstats.qual.updated |= 0x40; - - if ((wstats.qual.updated & 0x60) == 0x60) - return NULL; - - wstats.qual.level = rssi; - wstats.qual.noise = noise; - wstats.discard.misc = pkt.rx_bad_pkt; - wstats.discard.retries = pkt.tx_bad_pkt; - - return &wstats; -} - -static int wlcompat_get_scan(struct net_device *dev, - struct iw_request_info *info, - union iwreq_data *wrqu, - char *extra) -{ - wl_scan_results_t *results = (wl_scan_results_t *) buf; - wl_bss_info_t *bss_info; - char *info_ptr; - char *current_ev = extra; - char *current_val; - char *end_buf = extra + IW_SCAN_MAX_DATA; - struct iw_event iwe; - int i, j; - int rssi, noise; - - memset(buf, 0, WLC_IOCTL_MAXLEN); - results->buflen = WLC_IOCTL_MAXLEN - sizeof(wl_scan_results_t); - - if (wl_ioctl(dev, WLC_SCAN_RESULTS, buf, WLC_IOCTL_MAXLEN) < 0) - return -EAGAIN; - - if ((results->count <= 0) && (scan_cur++ < SCAN_RETRY_MAX)) - return -EAGAIN; - - bss_info = &(results->bss_info[0]); - info_ptr = (char *) bss_info; - for (i = 0; i < results->count; i++) { - /* send the cell address (must be sent first) */ - iwe.cmd = SIOCGIWAP; - iwe.u.ap_addr.sa_family = ARPHRD_ETHER; - memcpy(&iwe.u.ap_addr.sa_data, &bss_info->BSSID, sizeof(bss_info->BSSID)); - current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_ADDR_LEN); - - /* send the ESSID */ - iwe.cmd = SIOCGIWESSID; - iwe.u.data.length = bss_info->SSID_len; - if (iwe.u.data.length > IW_ESSID_MAX_SIZE) - iwe.u.data.length = IW_ESSID_MAX_SIZE; - iwe.u.data.flags = 1; - current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, bss_info->SSID); - - /* send mode */ - if (bss_info->capability & (DOT11_CAP_ESS | DOT11_CAP_IBSS)) { - iwe.cmd = SIOCGIWMODE; - if (bss_info->capability & DOT11_CAP_ESS) - iwe.u.mode = IW_MODE_MASTER; - else if (bss_info->capability & DOT11_CAP_IBSS) - iwe.u.mode = IW_MODE_ADHOC; - current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_UINT_LEN); - } - - /* send frequency/channel info */ - iwe.cmd = SIOCGIWFREQ; - iwe.u.freq.e = 0; - iwe.u.freq.m = bss_info->chanspec & WL_CHANSPEC_CHAN_MASK; - current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_FREQ_LEN); - - /* add quality statistics */ - iwe.cmd = IWEVQUAL; - 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; - - wl_ioctl(dev, WLC_GET_WET, &wet, sizeof(wet)); - 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; - wet = 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)); - if ((ap == 0) && (infra == 1)) - 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 (passive) { - wrqu->mode = IW_MODE_MONITOR; - } else if (!infra) { - wrqu->mode = IW_MODE_ADHOC; - } else { - if (ap) { - wrqu->mode = IW_MODE_MASTER; - } 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), -}; - -#endif - -#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; - -#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 ((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; -#ifndef WL_WEXT - dev->wireless_handlers = (struct iw_handler_def *)&wlcompat_handler_def; - dev->get_wireless_stats = wlcompat_get_wireless_stats; -#endif - -#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 -#ifndef WL_WEXT - dev->get_wireless_stats = NULL; - dev->wireless_handlers = NULL; -#endif - 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); |