X-Git-Url: http://git.rohieb.name/openwrt.git/blobdiff_plain/35d2f657b5ccdbe2d96acca75ee010bf5ffe0f31..0f9f93a6c4a3f65e6647e7c687a145c0dba0e197:/package/openwrt/wlcompat.c diff --git a/package/openwrt/wlcompat.c b/package/openwrt/wlcompat.c index 0dc382918..d010e2bc8 100644 --- a/package/openwrt/wlcompat.c +++ b/package/openwrt/wlcompat.c @@ -1,5 +1,26 @@ -// insert header here -// mbm. gpl. +/* + * wlcompat.c + * + * Copyright (C) 2005 Mike Baker, + * Felix Fietkau + * + * 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 #include @@ -10,10 +31,10 @@ #include #include - -#define DEBUG +#include static struct net_device *dev; +char buf[WLC_IOCTL_MAXLEN]; /* The frequency of each channel in MHz */ const long channel_frequency[] = { @@ -22,6 +43,13 @@ const long channel_frequency[] = { }; #define NUM_CHANNELS ( sizeof(channel_frequency) / sizeof(channel_frequency[0]) ) + + +static int wlcompat_private_ioctl(struct net_device *dev, + struct iw_request_info *info, + union iwreq_data *wrqu, + char *extra); + static int wl_ioctl(struct net_device *dev, int cmd, void *buf, int len) { mm_segment_t old_fs = get_fs(); @@ -39,6 +67,50 @@ static int wl_ioctl(struct net_device *dev, int cmd, void *buf, int len) return ret; } +static int wl_set_val(struct net_device *dev, char *var, void *val, int len) +{ + char buf[128]; + int buf_len; + + /* 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; + + return wl_ioctl(dev, WLC_SET_VAR, buf, buf_len); +} + +static int wl_get_val(struct net_device *dev, char *var, void *val, int len) +{ + char buf[128]; + int ret; + + /* check for overflow */ + if (strlen(var) + 1 > sizeof(buf) || len > sizeof(buf)) + return -1; + + strcpy(buf, var); + if ((ret = wl_ioctl(dev, WLC_GET_VAR, buf, sizeof(buf)))) + return ret; + + memcpy(val, buf, len); + return 0; +} + +int read_shmem(struct net_device *dev, int offset) +{ + if (wl_ioctl(dev, WLC_GET_SHMEM, &offset, sizeof(offset)) < 0) + return -EINVAL; + + return offset; +} + static int wlcompat_ioctl_getiwrange(struct net_device *dev, char *extra) { @@ -70,6 +142,11 @@ static int wlcompat_ioctl_getiwrange(struct net_device *dev, 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->min_rts = 0; if (wl_ioctl(dev, WLC_GET_RTS, &range->max_rts, sizeof(int)) < 0) range->max_rts = 2347; @@ -79,16 +156,120 @@ static int wlcompat_ioctl_getiwrange(struct net_device *dev, if (wl_ioctl(dev, WLC_GET_FRAG, &range->max_frag, sizeof(int)) < 0) range->max_frag = 2346; - range->min_pmp = 0; - range->max_pmp = 65535000; - range->min_pmt = 0; - range->max_pmt = 65535 * 1000; - range->txpower_capa = IW_TXPOW_MWATT; 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; +} + + +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; + + 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.level = bss_info->RSSI; + iwe.u.qual.noise = bss_info->phy_noise; + iwe.u.qual.qual = 0; + 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, @@ -131,6 +312,21 @@ static int wlcompat_ioctl(struct net_device *dev, } break; } + case SIOCSIWAP: + { + int ap = 0; + + 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, (ap ? WLC_SET_BSSID : WLC_REASSOC), wrqu->ap_addr.sa_data, 6) < 0) + return -EINVAL; + + break; + } case SIOCGIWAP: { wrqu->ap_addr.sa_family = ARPHRD_ETHER; @@ -188,9 +384,11 @@ static int wlcompat_ioctl(struct net_device *dev, } case SIOCGIWTXPOW: { - wrqu->txpower.value = 0; - if (wl_ioctl(dev,WLC_GET_TXPWR, &(wrqu->txpower.value), sizeof(int)) < 0) + if (wl_get_val(dev, "qtxpower", &(wrqu->txpower.value), sizeof(int)) < 0) return -EINVAL; + + wrqu->txpower.value &= ~WL_TXPWR_OVERRIDE; + wrqu->txpower.fixed = 0; wrqu->txpower.disabled = 0; wrqu->txpower.flags = IW_TXPOW_MWATT; @@ -198,15 +396,59 @@ static int wlcompat_ioctl(struct net_device *dev, } case SIOCSIWTXPOW: { + int override; + + if (wl_get_val(dev, "qtxpower", &override, sizeof(int)) < 0) + return -EINVAL; + + wrqu->txpower.value |= override & WL_TXPWR_OVERRIDE; + if (wrqu->txpower.flags != IW_TXPOW_MWATT) return -EINVAL; - if (wl_ioctl(dev, WLC_SET_TXPWR, &wrqu->txpower.value, sizeof(int)) < 0) + if (wl_set_val(dev, "qtxpower", &wrqu->txpower.value, sizeof(int)) < 0) return -EINVAL; } case SIOCGIWENCODE: { - wrqu->data.flags = IW_ENCODE_DISABLED; + int val; + + if (wl_ioctl(dev, WLC_GET_WEP, &val, sizeof(val)) < 0) + return -EINVAL; + + + if (val > 0) { + int key; + + 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; + } + + wrqu->data.flags = IW_ENCODE_ENABLED; + if (key-- > 0) { + int magic_offset; + int16 buffer[8]; + + magic_offset = read_shmem(dev, 0x56) * 2; + + wrqu->data.flags |= key + 1; + wrqu->data.length = 16; + + for (val = 0; val < 8; val++) { + buffer[val] = read_shmem(dev, magic_offset + (key * 16) + val * 2); + } + + memset(extra, 0, 16); + memcpy(extra, buffer, 16); + } else { + wrqu->data.flags |= IW_ENCODE_NOKEY; + } + } else { + wrqu->data.flags = IW_ENCODE_DISABLED; + } + break; } case SIOCGIWRANGE: @@ -291,6 +533,9 @@ static int wlcompat_ioctl(struct net_device *dev, } default: { + if (info->cmd >= SIOCIWFIRSTPRIV) + return wlcompat_private_ioctl(dev, info, wrqu, extra); + return -EINVAL; } } @@ -319,12 +564,12 @@ static const iw_handler wlcompat_handler[] = { iw_handler_get_spy, /* SIOCGIWSPY */ iw_handler_set_thrspy, /* SIOCSIWTHRSPY */ iw_handler_get_thrspy, /* SIOCGIWTHRSPY */ - NULL, /* SIOCSIWAP */ + wlcompat_ioctl, /* SIOCSIWAP */ wlcompat_ioctl, /* SIOCGIWAP */ NULL, /* -- hole -- */ NULL, /* SIOCGIWAPLIST */ - NULL, /* -- hole -- */ - NULL, /* -- hole -- */ + wlcompat_set_scan, /* SIOCSIWSCAN */ + wlcompat_get_scan, /* SIOCGIWSCAN */ wlcompat_ioctl, /* SIOCSIWESSID */ wlcompat_ioctl, /* SIOCGIWESSID */ NULL, /* SIOCSIWNICKN */ @@ -345,43 +590,221 @@ static const iw_handler wlcompat_handler[] = { wlcompat_ioctl, /* SIOCGIWENCODE */ }; -static const struct iw_handler_def wlcompat_handler_def = +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; + } + 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" + }, +}; + +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 = NULL, - .num_private = 0, - .private_args = NULL, - .num_private_args = 0, + .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;xname,cmd); - if (cmd==SIOCDEVPRIVATE) { - int x; +#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(" ->"); - for (x=0;xlen && x<128 ;x++) { - printk("%02X",buf[x]); - } - printk("\n"); + 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; } -#endif static int __init wlcompat_init() { - dev = dev_get_by_name("eth1"); -#ifdef DEBUG + int found = 0, i; + char *devname = "eth0"; + + 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[3]++; + } + + if (!found) { + printk("No Broadcom devices found.\n"); + return -ENODEV; + } + + old_ioctl = dev->do_ioctl; dev->do_ioctl = new_ioctl; -#endif dev->wireless_handlers = (struct iw_handler_def *)&wlcompat_handler_def; return 0; } @@ -389,9 +812,7 @@ static int __init wlcompat_init() static void __exit wlcompat_exit() { dev->wireless_handlers = NULL; -#ifdef DEBUG dev->do_ioctl = old_ioctl; -#endif return; }