-/*
- * 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);
projects / openwrt.git / blobdiff