diff options
Diffstat (limited to 'target/linux/package/wlcompat')
| -rw-r--r-- | target/linux/package/wlcompat/Config.in | 7 | ||||
| -rw-r--r-- | target/linux/package/wlcompat/Makefile | 34 | ||||
| -rw-r--r-- | target/linux/package/wlcompat/ipkg/kmod-wlcompat.control | 7 | ||||
| -rw-r--r-- | target/linux/package/wlcompat/wlcompat.c | 824 |
4 files changed, 872 insertions, 0 deletions
diff --git a/target/linux/package/wlcompat/Config.in b/target/linux/package/wlcompat/Config.in new file mode 100644 index 000000000..926cf4b3c --- /dev/null +++ b/target/linux/package/wlcompat/Config.in @@ -0,0 +1,7 @@ +config BR2_PACKAGE_KMOD_WLCOMPAT + tristate "kmod-wlcompat" + default y + depends BR2_PACKAGE_KMOD_BRCM_WL + help + A wrapper module, that provides Wireless Extension support for the + proprietary Broadcom wl module. diff --git a/target/linux/package/wlcompat/Makefile b/target/linux/package/wlcompat/Makefile new file mode 100644 index 000000000..30cb9f471 --- /dev/null +++ b/target/linux/package/wlcompat/Makefile @@ -0,0 +1,34 @@ +# $Id$ + +include $(TOPDIR)/rules.mk + +PKG_NAME := kmod-wlcompat +PKG_RELEASE := 1 +PKG_BUILD_DIR := $(BUILD_DIR)/$(PKG_NAME) + +include $(TOPDIR)/package/rules.mk + +ifeq ($(patsubst 2.4%,2.4,$(LINUX_VERSION)),2.4) +$(eval $(call PKG_template,KMOD_WLCOMPAT,$(PKG_NAME),$(KERNEL_VERSION)-$(PKG_RELEASE),$(ARCH))) +endif + +WLCOMPAT_FLAGS:=$(TARGET_CLFAGS) -D__KERNEL__ -fno-strict-aliasing -fno-common -fomit-frame-pointer -G 0 \ + -mno-abicalls -fno-pic -finline-limit=100000 -mabi=32 -march=mips32 -Wa,-32 -Wa,-march=mips32 \ + -Wa,-mips32 -Wa,--trap -DMODULE -mlong-calls -fno-common -I. -I linux-2.4 -funsigned-char -nostdinc \ + -iwithprefix include -I$(LINUX_DIR)/include -I$(LINUX_DIR)/include/asm/gcc -I./include -c + +$(PKG_BUILD_DIR)/.built: $(PKG_BUILD_DIR)/wlcompat.o $(PKG_BUILD_DIR)/wlcompat-debug.o + touch $@ + +$(PKG_BUILD_DIR)/wlcompat.o: + $(TARGET_CC) $(WLCOMPAT_FLAGS) -o $@ wlcompat.c + +$(PKG_BUILD_DIR)/wlcompat-debug.o: + $(TARGET_CC) -DDEBUG $(WLCOMPAT_FLAGS) -o $@ wlcompat.c + +$(IPKG_KMOD_WLCOMPAT): $(PKG_BUILD_DIR)/wlcompat.o $(PKG_BUILD_DIR)/wlcompat-debug.o + mkdir -p $(IDIR_WLCOMPAT)/etc/modules.d + echo "wlcompat" > $(IDIR_WLCOMPAT)/etc/modules.d/10-wlcompat + mkdir -p $(IDIR_WLCOMPAT)/lib/modules/$(LINUX_VERSION) + cp $^ $(IDIR_WLCOMPAT)/lib/modules/$(LINUX_VERSION)/ + $(IPKG_BUILD) $(IDIR_WLCOMPAT) $(PACKAGE_DIR) diff --git a/target/linux/package/wlcompat/ipkg/kmod-wlcompat.control b/target/linux/package/wlcompat/ipkg/kmod-wlcompat.control new file mode 100644 index 000000000..8891fb4a1 --- /dev/null +++ b/target/linux/package/wlcompat/ipkg/kmod-wlcompat.control @@ -0,0 +1,7 @@ +Package: kmod-wlcompat +Priority: optional +Section: sys +Maintainer: Felix Fietkau <nbd@vd-s.ath.cx> +Source: buildroot internal +Depends: kmod-brcm-wl +Description: Compatibility module for using the Wireless Extension with broadcom's wl diff --git a/target/linux/package/wlcompat/wlcompat.c b/target/linux/package/wlcompat/wlcompat.c new file mode 100644 index 000000000..d010e2bc8 --- /dev/null +++ b/target/linux/package/wlcompat/wlcompat.c @@ -0,0 +1,824 @@ +/* + * wlcompat.c + * + * Copyright (C) 2005 Mike Baker, + * Felix Fietkau <nbd@vd-s.ath.cx> + * + * 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/init.h> +#include <linux/if_arp.h> +#include <asm/uaccess.h> +#include <linux/wireless.h> + +#include <net/iw_handler.h> +#include <wlioctl.h> +#include <wlcompat.h> + +static struct net_device *dev; +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]) ) + + + +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(); + 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; + + /* 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) +{ + int i, k; + struct iw_range *range; + + range = (struct iw_range *) extra; + + 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->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_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, + 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.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; + + 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; + 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: + { + 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; + break; + } + 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_set_val(dev, "qtxpower", &wrqu->txpower.value, sizeof(int)) < 0) + return -EINVAL; + } + case SIOCGIWENCODE: + { + 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: + { + 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; + } + + if (wl_ioctl(dev, WLC_SET_PASSIVE, &passive, sizeof(passive)) < 0) + return -EINVAL; + if (wl_ioctl(dev, WLC_SET_MONITOR, &passive, sizeof(passive)) < 0) + return -EINVAL; + if (wl_ioctl(dev, WLC_SET_WET, &wet, sizeof(wet)) < 0) + return -EINVAL; + if (ap >= 0) + if (wl_ioctl(dev, WLC_SET_AP, &ap, sizeof(ap)) < 0) + return -EINVAL; + if (infra >= 0) + if (wl_ioctl(dev, WLC_SET_INFRA, &infra, sizeof(infra)) < 0) + return -EINVAL; + + 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 */ + NULL, /* SIOCSIWENCODE */ + wlcompat_ioctl, /* SIOCGIWENCODE */ +}; + +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 = 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 int __init wlcompat_init() +{ + 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; + dev->wireless_handlers = (struct iw_handler_def *)&wlcompat_handler_def; + return 0; +} + +static void __exit wlcompat_exit() +{ + dev->wireless_handlers = NULL; + dev->do_ioctl = old_ioctl; + return; +} + +EXPORT_NO_SYMBOLS; +MODULE_AUTHOR("openwrt.org"); +MODULE_LICENSE("GPL"); + +module_init(wlcompat_init); +module_exit(wlcompat_exit); |