diff options
Diffstat (limited to 'package/wlcompat/src/wlcompat.c')
| -rw-r--r-- | package/wlcompat/src/wlcompat.c | 1056 |
1 files changed, 1056 insertions, 0 deletions
diff --git a/package/wlcompat/src/wlcompat.c b/package/wlcompat/src/wlcompat.c new file mode 100644 index 0000000..23b0d50 --- /dev/null +++ b/package/wlcompat/src/wlcompat.c @@ -0,0 +1,1056 @@ +/* + * wlcompat.c + * + * Copyright (C) 2005 Mike Baker, + * Felix Fietkau <openwrt@nbd.name> + * + * 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. + * + * $Id$ + */ + + +#include <linux/config.h> +#include <linux/module.h> +#include <linux/moduleparam.h> +#include <linux/init.h> +#include <linux/if_arp.h> +#include <asm/uaccess.h> +#include <linux/wireless.h> +#include <linux/timer.h> + +#include <net/iw_handler.h> +#include <wlioctl.h> + +static struct net_device *dev; +static unsigned short bss_force; +static struct iw_statistics wstats; +static int random = 1; +char buf[WLC_IOCTL_MAXLEN]; + +/* 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]) ) + +#define RNG_POLL_FREQ 20 + +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; + + +static int wlcompat_private_ioctl(struct net_device *dev, + struct iw_request_info *info, + union iwreq_data *wrqu, + char *extra); +#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; +} + +static int wl_set_val(struct net_device *dev, char *var, void *val, int len) +{ + char buf[128]; + int buf_len; + int ret; + + /* check for overflow */ + if ((buf_len = strlen(var)) + 1 + len > sizeof(buf)) + return -1; + + strcpy(buf, var); + buf_len += 1; + + /* append int value onto the end of the name string */ + memcpy(&(buf[buf_len]), val, len); + buf_len += len; + + ret = wl_ioctl(dev, WLC_SET_VAR, buf, buf_len); + return ret; +} + +static int wl_get_val(struct net_device *dev, char *var, void *val, int len) +{ + char buf[128]; + int buf_len; + int ret; + + /* check for overflow */ + if ((buf_len = strlen(var)) + 1 > sizeof(buf) || len > sizeof(buf)) + return -1; + + strcpy(buf, var); + if (ret = wl_ioctl(dev, WLC_GET_VAR, buf, buf_len + len)) + return ret; + + memcpy(val, buf, len); + return 0; +} + +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; + bzero(extra, 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_ioctl(dev, WLC_GET_RTS, &range->max_rts, sizeof(int)) < 0) + range->max_rts = 2347; + + range->min_frag = 256; + + if (wl_ioctl(dev, WLC_GET_FRAG, &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, oldap = 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, &oldap, sizeof(oldap)); + if (oldap > 0) + wl_ioctl(dev, WLC_SET_AP, &ap, sizeof(ap)); + + if (wl_ioctl(dev, WLC_SCAN, ¶ms, 64) < 0) + return -EINVAL; + + if (oldap > 0) + wl_ioctl(dev, WLC_SET_AP, &oldap, sizeof(oldap)); + + return 0; +} + + +struct iw_statistics *wlcompat_get_wireless_stats(struct net_device *dev) +{ + wl_bss_info_t *bss_info = (wl_bss_info_t *) 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; + + results->buflen = WLC_IOCTL_MAXLEN - sizeof(wl_scan_results_t); + + if (wl_ioctl(dev, WLC_SCAN_RESULTS, buf, WLC_IOCTL_MAXLEN) < 0) + 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 frequency/channel info */ + iwe.cmd = SIOCGIWFREQ; + iwe.u.freq.e = 0; + iwe.u.freq.m = bss_info->channel; + 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 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; + + 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); + + reg.size = 4; + reg.byteoff = 0x184; + reg.val = bss_force << 16 | bss_force; + wl_ioctl(dev, WLC_W_REG, ®, sizeof(reg)); + + reg.byteoff = 0x180; + wl_ioctl(dev, WLC_R_REG, ®, sizeof(reg)); + reg.val = bss_force << 16; + wl_ioctl(dev, WLC_W_REG, ®, sizeof(reg)); + } + + if (wl_ioctl(dev, ((ap || !infra) ? WLC_SET_BSSID : WLC_REASSOC), wrqu->ap_addr.sa_data, 6) < 0) + return -EINVAL; + + break; + } + case SIOCGIWAP: + { +#ifdef DEBUG + rw_reg_t reg; + memset(®, 0, sizeof(reg)); + + reg.size = 4; + reg.byteoff = 0x184; + wl_ioctl(dev, WLC_R_REG, ®, sizeof(reg)); + printk("bss time = 0x%08x", reg.val); + + reg.byteoff = 0x180; + wl_ioctl(dev, WLC_R_REG, ®, sizeof(reg)); + printk("%08x\n", reg.val); +#endif + + 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 > WLC_ESSID_MAX_SIZE) + ssid.SSID_len = WLC_ESSID_MAX_SIZE; + 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_ioctl(dev,WLC_GET_RTS,&(wrqu->rts.value),sizeof(int)) < 0) + return -EINVAL; + break; + } + case SIOCSIWRTS: + { + if (wl_ioctl(dev,WLC_SET_RTS,&(wrqu->rts.value),sizeof(int)) < 0) + return -EINVAL; + break; + } + case SIOCGIWFRAG: + { + if (wl_ioctl(dev,WLC_GET_FRAG,&(wrqu->frag.value),sizeof(int)) < 0) + return -EINVAL; + break; + } + case SIOCSIWFRAG: + { + if (wl_ioctl(dev,WLC_SET_FRAG,&(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_get_val(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_get_val(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_set_val(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; + + if (wl_ioctl(dev, WLC_GET_WEP, &val, sizeof(val)) < 0) + return -EINVAL; + + + if (val > 0) { + int key = get_primary_key(dev); + + wrqu->data.flags = IW_ENCODE_ENABLED; + if (key-- > 0) { + int *info_addr; + wkey *wep_key; + + info_addr = (int *) dev->priv; + wep_key = (wkey *) ((*info_addr) + 0x2752 + (key * 0x110)); + + wrqu->data.flags |= key + 1; + wrqu->data.length = wep_key->len; + + memset(extra, 0, 16); + memcpy(extra, wep_key->data, 16); + } else { + wrqu->data.flags |= IW_ENCODE_NOKEY; + } + } else { + wrqu->data.flags = IW_ENCODE_DISABLED; + } + + 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: + { + if (info->cmd >= SIOCIWFIRSTPRIV) + return wlcompat_private_ioctl(dev, info, wrqu, extra); + + return -EINVAL; + } + } + + 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 */ +}; + + +#define WLCOMPAT_SET_MONITOR SIOCIWFIRSTPRIV + 0 +#define WLCOMPAT_GET_MONITOR SIOCIWFIRSTPRIV + 1 +#define WLCOMPAT_SET_TXPWR_LIMIT SIOCIWFIRSTPRIV + 2 +#define WLCOMPAT_GET_TXPWR_LIMIT SIOCIWFIRSTPRIV + 3 +#define WLCOMPAT_SET_ANTDIV SIOCIWFIRSTPRIV + 4 +#define WLCOMPAT_GET_ANTDIV SIOCIWFIRSTPRIV + 5 +#define WLCOMPAT_SET_TXANT SIOCIWFIRSTPRIV + 6 +#define WLCOMPAT_GET_TXANT SIOCIWFIRSTPRIV + 7 +#define WLCOMPAT_SET_BSS_FORCE SIOCIWFIRSTPRIV + 8 +#define WLCOMPAT_GET_BSS_FORCE SIOCIWFIRSTPRIV + 9 + + +static int wlcompat_private_ioctl(struct net_device *dev, + struct iw_request_info *info, + union iwreq_data *wrqu, + char *extra) +{ + int *value = (int *) wrqu->name; + + switch (info->cmd) { + case WLCOMPAT_SET_MONITOR: + { + if (wl_ioctl(dev, WLC_SET_MONITOR, value, sizeof(int)) < 0) + return -EINVAL; + + break; + } + case WLCOMPAT_GET_MONITOR: + { + if (wl_ioctl(dev, WLC_GET_MONITOR, extra, sizeof(int)) < 0) + return -EINVAL; + + break; + } + case WLCOMPAT_SET_TXPWR_LIMIT: + { + int val; + + + if (wl_get_val(dev, "qtxpower", &val, sizeof(int)) < 0) + return -EINVAL; + + if (*extra > 0) + val |= WL_TXPWR_OVERRIDE; + else + val &= ~WL_TXPWR_OVERRIDE; + + if (wl_set_val(dev, "qtxpower", &val, sizeof(int)) < 0) + return -EINVAL; + + break; + } + case WLCOMPAT_GET_TXPWR_LIMIT: + { + if (wl_get_val(dev, "qtxpower", value, sizeof(int)) < 0) + return -EINVAL; + + *value = ((*value & WL_TXPWR_OVERRIDE) == WL_TXPWR_OVERRIDE ? 1 : 0); + + break; + } + case WLCOMPAT_SET_ANTDIV: + { + if (wl_ioctl(dev, WLC_SET_ANTDIV, value, sizeof(int)) < 0) + return -EINVAL; + + break; + } + case WLCOMPAT_GET_ANTDIV: + { + if (wl_ioctl(dev, WLC_GET_ANTDIV, extra, sizeof(int)) < 0) + return -EINVAL; + + break; + } + case WLCOMPAT_SET_TXANT: + { + if (wl_ioctl(dev, WLC_SET_TXANT, value, sizeof(int)) < 0) + return -EINVAL; + + break; + } + case WLCOMPAT_GET_TXANT: + { + if (wl_ioctl(dev, WLC_GET_TXANT, extra, sizeof(int)) < 0) + return -EINVAL; + + break; + } + case WLCOMPAT_SET_BSS_FORCE: + { + bss_force = (unsigned short) *value; + break; + } + case WLCOMPAT_GET_BSS_FORCE: + { + *extra = (int) bss_force; + break; + } + default: + { + return -EINVAL; + } + + } + return 0; +} + +static const struct iw_priv_args wlcompat_private_args[] = +{ + { WLCOMPAT_SET_MONITOR, + IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, + 0, + "set_monitor" + }, + { WLCOMPAT_GET_MONITOR, + 0, + IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, + "get_monitor" + }, + { WLCOMPAT_SET_TXPWR_LIMIT, + IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, + 0, + "set_txpwr_force" + }, + { WLCOMPAT_GET_TXPWR_LIMIT, + 0, + IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, + "get_txpwr_force" + }, + { WLCOMPAT_SET_ANTDIV, + IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, + 0, + "set_antdiv" + }, + { WLCOMPAT_GET_ANTDIV, + 0, + IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, + "get_antdiv" + }, + { WLCOMPAT_SET_TXANT, + IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, + 0, + "set_txant" + }, + { WLCOMPAT_GET_TXANT, + 0, + IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, + "get_txant" + }, + { WLCOMPAT_SET_BSS_FORCE, + IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, + 0, + "set_bss_force" + }, + { WLCOMPAT_GET_BSS_FORCE, + 0, + IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, + "get_bss_force" + }, +}; + +static const iw_handler wlcompat_private[] = +{ + wlcompat_private_ioctl, + NULL +}; + + +static const struct iw_handler_def wlcompat_handler_def = +{ + .standard = (iw_handler *) wlcompat_handler, + .num_standard = sizeof(wlcompat_handler)/sizeof(iw_handler), + .private = wlcompat_private, + .num_private = 1, + .private_args = wlcompat_private_args, + .num_private_args = sizeof(wlcompat_private_args) / sizeof(wlcompat_private_args[0]) +}; + + +#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); +#endif + + if (cmd >= SIOCIWFIRSTPRIV) { + info.cmd = cmd; + info.flags = 0; + ret = wlcompat_private_ioctl(dev, &info, &(iwr->u), (char *) &(iwr->u)); +#ifdef DEBUG + } else 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); +#endif + } else { + ret = old_ioctl(dev,ifr,cmd); + } + return ret; +} + +static struct timer_list rng_timer; + +static void rng_timer_tick(unsigned long n) +{ + struct net_device *dev = (struct net_device *) n; + u16 data[4]; + int i, ret; + + ret = 0; + for (i = 0; i < 3; i++) { + ret |= wl_get_val(dev, "rand", &data[i], sizeof(u16)); + } + if (!ret) + batch_entropy_store(*((u32 *) &data[0]), *((u32 *) &data[2]), (jiffies % 255)); + + mod_timer(&rng_timer, jiffies + (HZ/RNG_POLL_FREQ)); +} + + +static int __init wlcompat_init() +{ + int found = 0, i; + char devname[4] = "wl0"; + bss_force = 0; + + 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; + + if (random) { + init_timer(&rng_timer); + rng_timer.function = rng_timer_tick; + rng_timer.data = (unsigned long) dev; + rng_timer_tick((unsigned long) dev); + } + +#ifdef DEBUG + printk("broadcom driver private data: 0x%08x\n", dev->priv); +#endif + return 0; +} + +static void __exit wlcompat_exit() +{ + if (random) + del_timer(&rng_timer); + 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"); + +module_param(random, int, 0); +module_init(wlcompat_init); +module_exit(wlcompat_exit); |