diff options
Diffstat (limited to 'net/wireless/wext-compat.c')
| -rw-r--r-- | net/wireless/wext-compat.c | 1649 |
1 files changed, 1649 insertions, 0 deletions
diff --git a/net/wireless/wext-compat.c b/net/wireless/wext-compat.c new file mode 100644 index 0000000000..e3acfac743 --- /dev/null +++ b/net/wireless/wext-compat.c @@ -0,0 +1,1649 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * cfg80211 - wext compat code + * + * This is temporary code until all wireless functionality is migrated + * into cfg80211, when that happens all the exports here go away and + * we directly assign the wireless handlers of wireless interfaces. + * + * Copyright 2008-2009 Johannes Berg <johannes@sipsolutions.net> + * Copyright (C) 2019-2022 Intel Corporation + */ + +#include <linux/export.h> +#include <linux/wireless.h> +#include <linux/nl80211.h> +#include <linux/if_arp.h> +#include <linux/etherdevice.h> +#include <linux/slab.h> +#include <net/iw_handler.h> +#include <net/cfg80211.h> +#include <net/cfg80211-wext.h> +#include "wext-compat.h" +#include "core.h" +#include "rdev-ops.h" + +int cfg80211_wext_giwname(struct net_device *dev, + struct iw_request_info *info, + union iwreq_data *wrqu, char *extra) +{ + strcpy(wrqu->name, "IEEE 802.11"); + return 0; +} +EXPORT_WEXT_HANDLER(cfg80211_wext_giwname); + +int cfg80211_wext_siwmode(struct net_device *dev, struct iw_request_info *info, + union iwreq_data *wrqu, char *extra) +{ + __u32 *mode = &wrqu->mode; + struct wireless_dev *wdev = dev->ieee80211_ptr; + struct cfg80211_registered_device *rdev; + struct vif_params vifparams; + enum nl80211_iftype type; + int ret; + + rdev = wiphy_to_rdev(wdev->wiphy); + + switch (*mode) { + case IW_MODE_INFRA: + type = NL80211_IFTYPE_STATION; + break; + case IW_MODE_ADHOC: + type = NL80211_IFTYPE_ADHOC; + break; + case IW_MODE_MONITOR: + type = NL80211_IFTYPE_MONITOR; + break; + default: + return -EINVAL; + } + + if (type == wdev->iftype) + return 0; + + memset(&vifparams, 0, sizeof(vifparams)); + + wiphy_lock(wdev->wiphy); + ret = cfg80211_change_iface(rdev, dev, type, &vifparams); + wiphy_unlock(wdev->wiphy); + + return ret; +} +EXPORT_WEXT_HANDLER(cfg80211_wext_siwmode); + +int cfg80211_wext_giwmode(struct net_device *dev, struct iw_request_info *info, + union iwreq_data *wrqu, char *extra) +{ + __u32 *mode = &wrqu->mode; + struct wireless_dev *wdev = dev->ieee80211_ptr; + + if (!wdev) + return -EOPNOTSUPP; + + switch (wdev->iftype) { + case NL80211_IFTYPE_AP: + *mode = IW_MODE_MASTER; + break; + case NL80211_IFTYPE_STATION: + *mode = IW_MODE_INFRA; + break; + case NL80211_IFTYPE_ADHOC: + *mode = IW_MODE_ADHOC; + break; + case NL80211_IFTYPE_MONITOR: + *mode = IW_MODE_MONITOR; + break; + case NL80211_IFTYPE_WDS: + *mode = IW_MODE_REPEAT; + break; + case NL80211_IFTYPE_AP_VLAN: + *mode = IW_MODE_SECOND; /* FIXME */ + break; + default: + *mode = IW_MODE_AUTO; + break; + } + return 0; +} +EXPORT_WEXT_HANDLER(cfg80211_wext_giwmode); + + +int cfg80211_wext_giwrange(struct net_device *dev, + struct iw_request_info *info, + union iwreq_data *wrqu, char *extra) +{ + struct iw_point *data = &wrqu->data; + struct wireless_dev *wdev = dev->ieee80211_ptr; + struct iw_range *range = (struct iw_range *) extra; + enum nl80211_band band; + int i, c = 0; + + if (!wdev) + return -EOPNOTSUPP; + + data->length = sizeof(struct iw_range); + memset(range, 0, sizeof(struct iw_range)); + + range->we_version_compiled = WIRELESS_EXT; + range->we_version_source = 21; + range->retry_capa = IW_RETRY_LIMIT; + range->retry_flags = IW_RETRY_LIMIT; + range->min_retry = 0; + range->max_retry = 255; + range->min_rts = 0; + range->max_rts = 2347; + range->min_frag = 256; + range->max_frag = 2346; + + range->max_encoding_tokens = 4; + + range->max_qual.updated = IW_QUAL_NOISE_INVALID; + + switch (wdev->wiphy->signal_type) { + case CFG80211_SIGNAL_TYPE_NONE: + break; + case CFG80211_SIGNAL_TYPE_MBM: + range->max_qual.level = (u8)-110; + range->max_qual.qual = 70; + range->avg_qual.qual = 35; + range->max_qual.updated |= IW_QUAL_DBM; + range->max_qual.updated |= IW_QUAL_QUAL_UPDATED; + range->max_qual.updated |= IW_QUAL_LEVEL_UPDATED; + break; + case CFG80211_SIGNAL_TYPE_UNSPEC: + range->max_qual.level = 100; + range->max_qual.qual = 100; + range->avg_qual.qual = 50; + range->max_qual.updated |= IW_QUAL_QUAL_UPDATED; + range->max_qual.updated |= IW_QUAL_LEVEL_UPDATED; + break; + } + + range->avg_qual.level = range->max_qual.level / 2; + range->avg_qual.noise = range->max_qual.noise / 2; + range->avg_qual.updated = range->max_qual.updated; + + for (i = 0; i < wdev->wiphy->n_cipher_suites; i++) { + switch (wdev->wiphy->cipher_suites[i]) { + case WLAN_CIPHER_SUITE_TKIP: + range->enc_capa |= (IW_ENC_CAPA_CIPHER_TKIP | + IW_ENC_CAPA_WPA); + break; + + case WLAN_CIPHER_SUITE_CCMP: + range->enc_capa |= (IW_ENC_CAPA_CIPHER_CCMP | + IW_ENC_CAPA_WPA2); + break; + + case WLAN_CIPHER_SUITE_WEP40: + range->encoding_size[range->num_encoding_sizes++] = + WLAN_KEY_LEN_WEP40; + break; + + case WLAN_CIPHER_SUITE_WEP104: + range->encoding_size[range->num_encoding_sizes++] = + WLAN_KEY_LEN_WEP104; + break; + } + } + + for (band = 0; band < NUM_NL80211_BANDS; band ++) { + struct ieee80211_supported_band *sband; + + sband = wdev->wiphy->bands[band]; + + if (!sband) + continue; + + for (i = 0; i < sband->n_channels && c < IW_MAX_FREQUENCIES; i++) { + struct ieee80211_channel *chan = &sband->channels[i]; + + if (!(chan->flags & IEEE80211_CHAN_DISABLED)) { + range->freq[c].i = + ieee80211_frequency_to_channel( + chan->center_freq); + range->freq[c].m = chan->center_freq; + range->freq[c].e = 6; + c++; + } + } + } + range->num_channels = c; + range->num_frequency = c; + + IW_EVENT_CAPA_SET_KERNEL(range->event_capa); + IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWAP); + IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWSCAN); + + if (wdev->wiphy->max_scan_ssids > 0) + range->scan_capa |= IW_SCAN_CAPA_ESSID; + + return 0; +} +EXPORT_WEXT_HANDLER(cfg80211_wext_giwrange); + + +/** + * cfg80211_wext_freq - get wext frequency for non-"auto" + * @freq: the wext freq encoding + * + * Returns a frequency, or a negative error code, or 0 for auto. + */ +int cfg80211_wext_freq(struct iw_freq *freq) +{ + /* + * Parse frequency - return 0 for auto and + * -EINVAL for impossible things. + */ + if (freq->e == 0) { + enum nl80211_band band = NL80211_BAND_2GHZ; + if (freq->m < 0) + return 0; + if (freq->m > 14) + band = NL80211_BAND_5GHZ; + return ieee80211_channel_to_frequency(freq->m, band); + } else { + int i, div = 1000000; + for (i = 0; i < freq->e; i++) + div /= 10; + if (div <= 0) + return -EINVAL; + return freq->m / div; + } +} + +int cfg80211_wext_siwrts(struct net_device *dev, + struct iw_request_info *info, + union iwreq_data *wrqu, char *extra) +{ + struct iw_param *rts = &wrqu->rts; + struct wireless_dev *wdev = dev->ieee80211_ptr; + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); + u32 orts = wdev->wiphy->rts_threshold; + int err; + + wiphy_lock(&rdev->wiphy); + if (rts->disabled || !rts->fixed) { + wdev->wiphy->rts_threshold = (u32) -1; + } else if (rts->value < 0) { + err = -EINVAL; + goto out; + } else { + wdev->wiphy->rts_threshold = rts->value; + } + + err = rdev_set_wiphy_params(rdev, WIPHY_PARAM_RTS_THRESHOLD); + + if (err) + wdev->wiphy->rts_threshold = orts; + +out: + wiphy_unlock(&rdev->wiphy); + return err; +} +EXPORT_WEXT_HANDLER(cfg80211_wext_siwrts); + +int cfg80211_wext_giwrts(struct net_device *dev, + struct iw_request_info *info, + union iwreq_data *wrqu, char *extra) +{ + struct iw_param *rts = &wrqu->rts; + struct wireless_dev *wdev = dev->ieee80211_ptr; + + rts->value = wdev->wiphy->rts_threshold; + rts->disabled = rts->value == (u32) -1; + rts->fixed = 1; + + return 0; +} +EXPORT_WEXT_HANDLER(cfg80211_wext_giwrts); + +int cfg80211_wext_siwfrag(struct net_device *dev, + struct iw_request_info *info, + union iwreq_data *wrqu, char *extra) +{ + struct iw_param *frag = &wrqu->frag; + struct wireless_dev *wdev = dev->ieee80211_ptr; + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); + u32 ofrag = wdev->wiphy->frag_threshold; + int err; + + wiphy_lock(&rdev->wiphy); + if (frag->disabled || !frag->fixed) { + wdev->wiphy->frag_threshold = (u32) -1; + } else if (frag->value < 256) { + err = -EINVAL; + goto out; + } else { + /* Fragment length must be even, so strip LSB. */ + wdev->wiphy->frag_threshold = frag->value & ~0x1; + } + + err = rdev_set_wiphy_params(rdev, WIPHY_PARAM_FRAG_THRESHOLD); + if (err) + wdev->wiphy->frag_threshold = ofrag; +out: + wiphy_unlock(&rdev->wiphy); + + return err; +} +EXPORT_WEXT_HANDLER(cfg80211_wext_siwfrag); + +int cfg80211_wext_giwfrag(struct net_device *dev, + struct iw_request_info *info, + union iwreq_data *wrqu, char *extra) +{ + struct iw_param *frag = &wrqu->frag; + struct wireless_dev *wdev = dev->ieee80211_ptr; + + frag->value = wdev->wiphy->frag_threshold; + frag->disabled = frag->value == (u32) -1; + frag->fixed = 1; + + return 0; +} +EXPORT_WEXT_HANDLER(cfg80211_wext_giwfrag); + +static int cfg80211_wext_siwretry(struct net_device *dev, + struct iw_request_info *info, + union iwreq_data *wrqu, char *extra) +{ + struct iw_param *retry = &wrqu->retry; + struct wireless_dev *wdev = dev->ieee80211_ptr; + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); + u32 changed = 0; + u8 olong = wdev->wiphy->retry_long; + u8 oshort = wdev->wiphy->retry_short; + int err; + + if (retry->disabled || retry->value < 1 || retry->value > 255 || + (retry->flags & IW_RETRY_TYPE) != IW_RETRY_LIMIT) + return -EINVAL; + + wiphy_lock(&rdev->wiphy); + if (retry->flags & IW_RETRY_LONG) { + wdev->wiphy->retry_long = retry->value; + changed |= WIPHY_PARAM_RETRY_LONG; + } else if (retry->flags & IW_RETRY_SHORT) { + wdev->wiphy->retry_short = retry->value; + changed |= WIPHY_PARAM_RETRY_SHORT; + } else { + wdev->wiphy->retry_short = retry->value; + wdev->wiphy->retry_long = retry->value; + changed |= WIPHY_PARAM_RETRY_LONG; + changed |= WIPHY_PARAM_RETRY_SHORT; + } + + err = rdev_set_wiphy_params(rdev, changed); + if (err) { + wdev->wiphy->retry_short = oshort; + wdev->wiphy->retry_long = olong; + } + wiphy_unlock(&rdev->wiphy); + + return err; +} + +int cfg80211_wext_giwretry(struct net_device *dev, + struct iw_request_info *info, + union iwreq_data *wrqu, char *extra) +{ + struct iw_param *retry = &wrqu->retry; + struct wireless_dev *wdev = dev->ieee80211_ptr; + + retry->disabled = 0; + + if (retry->flags == 0 || (retry->flags & IW_RETRY_SHORT)) { + /* + * First return short value, iwconfig will ask long value + * later if needed + */ + retry->flags |= IW_RETRY_LIMIT | IW_RETRY_SHORT; + retry->value = wdev->wiphy->retry_short; + if (wdev->wiphy->retry_long == wdev->wiphy->retry_short) + retry->flags |= IW_RETRY_LONG; + + return 0; + } + + if (retry->flags & IW_RETRY_LONG) { + retry->flags = IW_RETRY_LIMIT | IW_RETRY_LONG; + retry->value = wdev->wiphy->retry_long; + } + + return 0; +} +EXPORT_WEXT_HANDLER(cfg80211_wext_giwretry); + +static int __cfg80211_set_encryption(struct cfg80211_registered_device *rdev, + struct net_device *dev, bool pairwise, + const u8 *addr, bool remove, bool tx_key, + int idx, struct key_params *params) +{ + struct wireless_dev *wdev = dev->ieee80211_ptr; + int err, i; + bool rejoin = false; + + if (wdev->valid_links) + return -EINVAL; + + if (pairwise && !addr) + return -EINVAL; + + /* + * In many cases we won't actually need this, but it's better + * to do it first in case the allocation fails. Don't use wext. + */ + if (!wdev->wext.keys) { + wdev->wext.keys = kzalloc(sizeof(*wdev->wext.keys), + GFP_KERNEL); + if (!wdev->wext.keys) + return -ENOMEM; + for (i = 0; i < 4; i++) + wdev->wext.keys->params[i].key = + wdev->wext.keys->data[i]; + } + + if (wdev->iftype != NL80211_IFTYPE_ADHOC && + wdev->iftype != NL80211_IFTYPE_STATION) + return -EOPNOTSUPP; + + if (params->cipher == WLAN_CIPHER_SUITE_AES_CMAC) { + if (!wdev->connected) + return -ENOLINK; + + if (!rdev->ops->set_default_mgmt_key) + return -EOPNOTSUPP; + + if (idx < 4 || idx > 5) + return -EINVAL; + } else if (idx < 0 || idx > 3) + return -EINVAL; + + if (remove) { + err = 0; + if (wdev->connected || + (wdev->iftype == NL80211_IFTYPE_ADHOC && + wdev->u.ibss.current_bss)) { + /* + * If removing the current TX key, we will need to + * join a new IBSS without the privacy bit clear. + */ + if (idx == wdev->wext.default_key && + wdev->iftype == NL80211_IFTYPE_ADHOC) { + __cfg80211_leave_ibss(rdev, wdev->netdev, true); + rejoin = true; + } + + if (!pairwise && addr && + !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN)) + err = -ENOENT; + else + err = rdev_del_key(rdev, dev, -1, idx, pairwise, + addr); + } + wdev->wext.connect.privacy = false; + /* + * Applications using wireless extensions expect to be + * able to delete keys that don't exist, so allow that. + */ + if (err == -ENOENT) + err = 0; + if (!err) { + if (!addr && idx < 4) { + memset(wdev->wext.keys->data[idx], 0, + sizeof(wdev->wext.keys->data[idx])); + wdev->wext.keys->params[idx].key_len = 0; + wdev->wext.keys->params[idx].cipher = 0; + } + if (idx == wdev->wext.default_key) + wdev->wext.default_key = -1; + else if (idx == wdev->wext.default_mgmt_key) + wdev->wext.default_mgmt_key = -1; + } + + if (!err && rejoin) + err = cfg80211_ibss_wext_join(rdev, wdev); + + return err; + } + + if (addr) + tx_key = false; + + if (cfg80211_validate_key_settings(rdev, params, idx, pairwise, addr)) + return -EINVAL; + + err = 0; + if (wdev->connected || + (wdev->iftype == NL80211_IFTYPE_ADHOC && + wdev->u.ibss.current_bss)) + err = rdev_add_key(rdev, dev, -1, idx, pairwise, addr, params); + else if (params->cipher != WLAN_CIPHER_SUITE_WEP40 && + params->cipher != WLAN_CIPHER_SUITE_WEP104) + return -EINVAL; + if (err) + return err; + + /* + * We only need to store WEP keys, since they're the only keys that + * can be set before a connection is established and persist after + * disconnecting. + */ + if (!addr && (params->cipher == WLAN_CIPHER_SUITE_WEP40 || + params->cipher == WLAN_CIPHER_SUITE_WEP104)) { + wdev->wext.keys->params[idx] = *params; + memcpy(wdev->wext.keys->data[idx], + params->key, params->key_len); + wdev->wext.keys->params[idx].key = + wdev->wext.keys->data[idx]; + } + + if ((params->cipher == WLAN_CIPHER_SUITE_WEP40 || + params->cipher == WLAN_CIPHER_SUITE_WEP104) && + (tx_key || (!addr && wdev->wext.default_key == -1))) { + if (wdev->connected || + (wdev->iftype == NL80211_IFTYPE_ADHOC && + wdev->u.ibss.current_bss)) { + /* + * If we are getting a new TX key from not having + * had one before we need to join a new IBSS with + * the privacy bit set. + */ + if (wdev->iftype == NL80211_IFTYPE_ADHOC && + wdev->wext.default_key == -1) { + __cfg80211_leave_ibss(rdev, wdev->netdev, true); + rejoin = true; + } + err = rdev_set_default_key(rdev, dev, -1, idx, true, + true); + } + if (!err) { + wdev->wext.default_key = idx; + if (rejoin) + err = cfg80211_ibss_wext_join(rdev, wdev); + } + return err; + } + + if (params->cipher == WLAN_CIPHER_SUITE_AES_CMAC && + (tx_key || (!addr && wdev->wext.default_mgmt_key == -1))) { + if (wdev->connected || + (wdev->iftype == NL80211_IFTYPE_ADHOC && + wdev->u.ibss.current_bss)) + err = rdev_set_default_mgmt_key(rdev, dev, -1, idx); + if (!err) + wdev->wext.default_mgmt_key = idx; + return err; + } + + return 0; +} + +static int cfg80211_set_encryption(struct cfg80211_registered_device *rdev, + struct net_device *dev, bool pairwise, + const u8 *addr, bool remove, bool tx_key, + int idx, struct key_params *params) +{ + int err; + + wdev_lock(dev->ieee80211_ptr); + err = __cfg80211_set_encryption(rdev, dev, pairwise, addr, + remove, tx_key, idx, params); + wdev_unlock(dev->ieee80211_ptr); + + return err; +} + +static int cfg80211_wext_siwencode(struct net_device *dev, + struct iw_request_info *info, + union iwreq_data *wrqu, char *keybuf) +{ + struct iw_point *erq = &wrqu->encoding; + struct wireless_dev *wdev = dev->ieee80211_ptr; + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); + int idx, err; + bool remove = false; + struct key_params params; + + if (wdev->iftype != NL80211_IFTYPE_STATION && + wdev->iftype != NL80211_IFTYPE_ADHOC) + return -EOPNOTSUPP; + + /* no use -- only MFP (set_default_mgmt_key) is optional */ + if (!rdev->ops->del_key || + !rdev->ops->add_key || + !rdev->ops->set_default_key) + return -EOPNOTSUPP; + + wiphy_lock(&rdev->wiphy); + if (wdev->valid_links) { + err = -EOPNOTSUPP; + goto out; + } + + idx = erq->flags & IW_ENCODE_INDEX; + if (idx == 0) { + idx = wdev->wext.default_key; + if (idx < 0) + idx = 0; + } else if (idx < 1 || idx > 4) { + err = -EINVAL; + goto out; + } else { + idx--; + } + + if (erq->flags & IW_ENCODE_DISABLED) + remove = true; + else if (erq->length == 0) { + /* No key data - just set the default TX key index */ + err = 0; + wdev_lock(wdev); + if (wdev->connected || + (wdev->iftype == NL80211_IFTYPE_ADHOC && + wdev->u.ibss.current_bss)) + err = rdev_set_default_key(rdev, dev, -1, idx, true, + true); + if (!err) + wdev->wext.default_key = idx; + wdev_unlock(wdev); + goto out; + } + + memset(¶ms, 0, sizeof(params)); + params.key = keybuf; + params.key_len = erq->length; + if (erq->length == 5) { + params.cipher = WLAN_CIPHER_SUITE_WEP40; + } else if (erq->length == 13) { + params.cipher = WLAN_CIPHER_SUITE_WEP104; + } else if (!remove) { + err = -EINVAL; + goto out; + } + + err = cfg80211_set_encryption(rdev, dev, false, NULL, remove, + wdev->wext.default_key == -1, + idx, ¶ms); +out: + wiphy_unlock(&rdev->wiphy); + + return err; +} + +static int cfg80211_wext_siwencodeext(struct net_device *dev, + struct iw_request_info *info, + union iwreq_data *wrqu, char *extra) +{ + struct iw_point *erq = &wrqu->encoding; + struct wireless_dev *wdev = dev->ieee80211_ptr; + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); + struct iw_encode_ext *ext = (struct iw_encode_ext *) extra; + const u8 *addr; + int idx; + bool remove = false; + struct key_params params; + u32 cipher; + int ret; + + if (wdev->iftype != NL80211_IFTYPE_STATION && + wdev->iftype != NL80211_IFTYPE_ADHOC) + return -EOPNOTSUPP; + + /* no use -- only MFP (set_default_mgmt_key) is optional */ + if (!rdev->ops->del_key || + !rdev->ops->add_key || + !rdev->ops->set_default_key) + return -EOPNOTSUPP; + + wdev_lock(wdev); + if (wdev->valid_links) { + wdev_unlock(wdev); + return -EOPNOTSUPP; + } + wdev_unlock(wdev); + + switch (ext->alg) { + case IW_ENCODE_ALG_NONE: + remove = true; + cipher = 0; + break; + case IW_ENCODE_ALG_WEP: + if (ext->key_len == 5) + cipher = WLAN_CIPHER_SUITE_WEP40; + else if (ext->key_len == 13) + cipher = WLAN_CIPHER_SUITE_WEP104; + else + return -EINVAL; + break; + case IW_ENCODE_ALG_TKIP: + cipher = WLAN_CIPHER_SUITE_TKIP; + break; + case IW_ENCODE_ALG_CCMP: + cipher = WLAN_CIPHER_SUITE_CCMP; + break; + case IW_ENCODE_ALG_AES_CMAC: + cipher = WLAN_CIPHER_SUITE_AES_CMAC; + break; + default: + return -EOPNOTSUPP; + } + + if (erq->flags & IW_ENCODE_DISABLED) + remove = true; + + idx = erq->flags & IW_ENCODE_INDEX; + if (cipher == WLAN_CIPHER_SUITE_AES_CMAC) { + if (idx < 4 || idx > 5) { + idx = wdev->wext.default_mgmt_key; + if (idx < 0) + return -EINVAL; + } else + idx--; + } else { + if (idx < 1 || idx > 4) { + idx = wdev->wext.default_key; + if (idx < 0) + return -EINVAL; + } else + idx--; + } + + addr = ext->addr.sa_data; + if (is_broadcast_ether_addr(addr)) + addr = NULL; + + memset(¶ms, 0, sizeof(params)); + params.key = ext->key; + params.key_len = ext->key_len; + params.cipher = cipher; + + if (ext->ext_flags & IW_ENCODE_EXT_RX_SEQ_VALID) { + params.seq = ext->rx_seq; + params.seq_len = 6; + } + + wiphy_lock(wdev->wiphy); + ret = cfg80211_set_encryption( + rdev, dev, + !(ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY), + addr, remove, + ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY, + idx, ¶ms); + wiphy_unlock(wdev->wiphy); + + return ret; +} + +static int cfg80211_wext_giwencode(struct net_device *dev, + struct iw_request_info *info, + union iwreq_data *wrqu, char *keybuf) +{ + struct iw_point *erq = &wrqu->encoding; + struct wireless_dev *wdev = dev->ieee80211_ptr; + int idx; + + if (wdev->iftype != NL80211_IFTYPE_STATION && + wdev->iftype != NL80211_IFTYPE_ADHOC) + return -EOPNOTSUPP; + + idx = erq->flags & IW_ENCODE_INDEX; + if (idx == 0) { + idx = wdev->wext.default_key; + if (idx < 0) + idx = 0; + } else if (idx < 1 || idx > 4) + return -EINVAL; + else + idx--; + + erq->flags = idx + 1; + + if (!wdev->wext.keys || !wdev->wext.keys->params[idx].cipher) { + erq->flags |= IW_ENCODE_DISABLED; + erq->length = 0; + return 0; + } + + erq->length = min_t(size_t, erq->length, + wdev->wext.keys->params[idx].key_len); + memcpy(keybuf, wdev->wext.keys->params[idx].key, erq->length); + erq->flags |= IW_ENCODE_ENABLED; + + return 0; +} + +static int cfg80211_wext_siwfreq(struct net_device *dev, + struct iw_request_info *info, + union iwreq_data *wrqu, char *extra) +{ + struct iw_freq *wextfreq = &wrqu->freq; + struct wireless_dev *wdev = dev->ieee80211_ptr; + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); + struct cfg80211_chan_def chandef = { + .width = NL80211_CHAN_WIDTH_20_NOHT, + }; + int freq, ret; + + wiphy_lock(&rdev->wiphy); + + switch (wdev->iftype) { + case NL80211_IFTYPE_STATION: + ret = cfg80211_mgd_wext_siwfreq(dev, info, wextfreq, extra); + break; + case NL80211_IFTYPE_ADHOC: + ret = cfg80211_ibss_wext_siwfreq(dev, info, wextfreq, extra); + break; + case NL80211_IFTYPE_MONITOR: + freq = cfg80211_wext_freq(wextfreq); + if (freq < 0) { + ret = freq; + break; + } + if (freq == 0) { + ret = -EINVAL; + break; + } + chandef.center_freq1 = freq; + chandef.chan = ieee80211_get_channel(&rdev->wiphy, freq); + if (!chandef.chan) { + ret = -EINVAL; + break; + } + ret = cfg80211_set_monitor_channel(rdev, &chandef); + break; + case NL80211_IFTYPE_MESH_POINT: + freq = cfg80211_wext_freq(wextfreq); + if (freq < 0) { + ret = freq; + break; + } + if (freq == 0) { + ret = -EINVAL; + break; + } + chandef.center_freq1 = freq; + chandef.chan = ieee80211_get_channel(&rdev->wiphy, freq); + if (!chandef.chan) { + ret = -EINVAL; + break; + } + ret = cfg80211_set_mesh_channel(rdev, wdev, &chandef); + break; + default: + ret = -EOPNOTSUPP; + break; + } + + wiphy_unlock(&rdev->wiphy); + + return ret; +} + +static int cfg80211_wext_giwfreq(struct net_device *dev, + struct iw_request_info *info, + union iwreq_data *wrqu, char *extra) +{ + struct iw_freq *freq = &wrqu->freq; + struct wireless_dev *wdev = dev->ieee80211_ptr; + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); + struct cfg80211_chan_def chandef = {}; + int ret; + + wiphy_lock(&rdev->wiphy); + switch (wdev->iftype) { + case NL80211_IFTYPE_STATION: + ret = cfg80211_mgd_wext_giwfreq(dev, info, freq, extra); + break; + case NL80211_IFTYPE_ADHOC: + ret = cfg80211_ibss_wext_giwfreq(dev, info, freq, extra); + break; + case NL80211_IFTYPE_MONITOR: + if (!rdev->ops->get_channel) { + ret = -EINVAL; + break; + } + + ret = rdev_get_channel(rdev, wdev, 0, &chandef); + if (ret) + break; + freq->m = chandef.chan->center_freq; + freq->e = 6; + ret = 0; + break; + default: + ret = -EINVAL; + break; + } + + wiphy_unlock(&rdev->wiphy); + + return ret; +} + +static int cfg80211_wext_siwtxpower(struct net_device *dev, + struct iw_request_info *info, + union iwreq_data *data, char *extra) +{ + struct wireless_dev *wdev = dev->ieee80211_ptr; + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); + enum nl80211_tx_power_setting type; + int dbm = 0; + int ret; + + if ((data->txpower.flags & IW_TXPOW_TYPE) != IW_TXPOW_DBM) + return -EINVAL; + if (data->txpower.flags & IW_TXPOW_RANGE) + return -EINVAL; + + if (!rdev->ops->set_tx_power) + return -EOPNOTSUPP; + + /* only change when not disabling */ + if (!data->txpower.disabled) { + rfkill_set_sw_state(rdev->wiphy.rfkill, false); + + if (data->txpower.fixed) { + /* + * wext doesn't support negative values, see + * below where it's for automatic + */ + if (data->txpower.value < 0) + return -EINVAL; + dbm = data->txpower.value; + type = NL80211_TX_POWER_FIXED; + /* TODO: do regulatory check! */ + } else { + /* + * Automatic power level setting, max being the value + * passed in from userland. + */ + if (data->txpower.value < 0) { + type = NL80211_TX_POWER_AUTOMATIC; + } else { + dbm = data->txpower.value; + type = NL80211_TX_POWER_LIMITED; + } + } + } else { + if (rfkill_set_sw_state(rdev->wiphy.rfkill, true)) + schedule_work(&rdev->rfkill_block); + return 0; + } + + wiphy_lock(&rdev->wiphy); + ret = rdev_set_tx_power(rdev, wdev, type, DBM_TO_MBM(dbm)); + wiphy_unlock(&rdev->wiphy); + + return ret; +} + +static int cfg80211_wext_giwtxpower(struct net_device *dev, + struct iw_request_info *info, + union iwreq_data *data, char *extra) +{ + struct wireless_dev *wdev = dev->ieee80211_ptr; + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); + int err, val; + + if ((data->txpower.flags & IW_TXPOW_TYPE) != IW_TXPOW_DBM) + return -EINVAL; + if (data->txpower.flags & IW_TXPOW_RANGE) + return -EINVAL; + + if (!rdev->ops->get_tx_power) + return -EOPNOTSUPP; + + wiphy_lock(&rdev->wiphy); + err = rdev_get_tx_power(rdev, wdev, &val); + wiphy_unlock(&rdev->wiphy); + if (err) + return err; + + /* well... oh well */ + data->txpower.fixed = 1; + data->txpower.disabled = rfkill_blocked(rdev->wiphy.rfkill); + data->txpower.value = val; + data->txpower.flags = IW_TXPOW_DBM; + + return 0; +} + +static int cfg80211_set_auth_alg(struct wireless_dev *wdev, + s32 auth_alg) +{ + int nr_alg = 0; + + if (!auth_alg) + return -EINVAL; + + if (auth_alg & ~(IW_AUTH_ALG_OPEN_SYSTEM | + IW_AUTH_ALG_SHARED_KEY | + IW_AUTH_ALG_LEAP)) + return -EINVAL; + + if (auth_alg & IW_AUTH_ALG_OPEN_SYSTEM) { + nr_alg++; + wdev->wext.connect.auth_type = NL80211_AUTHTYPE_OPEN_SYSTEM; + } + + if (auth_alg & IW_AUTH_ALG_SHARED_KEY) { + nr_alg++; + wdev->wext.connect.auth_type = NL80211_AUTHTYPE_SHARED_KEY; + } + + if (auth_alg & IW_AUTH_ALG_LEAP) { + nr_alg++; + wdev->wext.connect.auth_type = NL80211_AUTHTYPE_NETWORK_EAP; + } + + if (nr_alg > 1) + wdev->wext.connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC; + + return 0; +} + +static int cfg80211_set_wpa_version(struct wireless_dev *wdev, u32 wpa_versions) +{ + if (wpa_versions & ~(IW_AUTH_WPA_VERSION_WPA | + IW_AUTH_WPA_VERSION_WPA2| + IW_AUTH_WPA_VERSION_DISABLED)) + return -EINVAL; + + if ((wpa_versions & IW_AUTH_WPA_VERSION_DISABLED) && + (wpa_versions & (IW_AUTH_WPA_VERSION_WPA| + IW_AUTH_WPA_VERSION_WPA2))) + return -EINVAL; + + if (wpa_versions & IW_AUTH_WPA_VERSION_DISABLED) + wdev->wext.connect.crypto.wpa_versions &= + ~(NL80211_WPA_VERSION_1|NL80211_WPA_VERSION_2); + + if (wpa_versions & IW_AUTH_WPA_VERSION_WPA) + wdev->wext.connect.crypto.wpa_versions |= + NL80211_WPA_VERSION_1; + + if (wpa_versions & IW_AUTH_WPA_VERSION_WPA2) + wdev->wext.connect.crypto.wpa_versions |= + NL80211_WPA_VERSION_2; + + return 0; +} + +static int cfg80211_set_cipher_group(struct wireless_dev *wdev, u32 cipher) +{ + if (cipher & IW_AUTH_CIPHER_WEP40) + wdev->wext.connect.crypto.cipher_group = + WLAN_CIPHER_SUITE_WEP40; + else if (cipher & IW_AUTH_CIPHER_WEP104) + wdev->wext.connect.crypto.cipher_group = + WLAN_CIPHER_SUITE_WEP104; + else if (cipher & IW_AUTH_CIPHER_TKIP) + wdev->wext.connect.crypto.cipher_group = + WLAN_CIPHER_SUITE_TKIP; + else if (cipher & IW_AUTH_CIPHER_CCMP) + wdev->wext.connect.crypto.cipher_group = + WLAN_CIPHER_SUITE_CCMP; + else if (cipher & IW_AUTH_CIPHER_AES_CMAC) + wdev->wext.connect.crypto.cipher_group = + WLAN_CIPHER_SUITE_AES_CMAC; + else if (cipher & IW_AUTH_CIPHER_NONE) + wdev->wext.connect.crypto.cipher_group = 0; + else + return -EINVAL; + + return 0; +} + +static int cfg80211_set_cipher_pairwise(struct wireless_dev *wdev, u32 cipher) +{ + int nr_ciphers = 0; + u32 *ciphers_pairwise = wdev->wext.connect.crypto.ciphers_pairwise; + + if (cipher & IW_AUTH_CIPHER_WEP40) { + ciphers_pairwise[nr_ciphers] = WLAN_CIPHER_SUITE_WEP40; + nr_ciphers++; + } + + if (cipher & IW_AUTH_CIPHER_WEP104) { + ciphers_pairwise[nr_ciphers] = WLAN_CIPHER_SUITE_WEP104; + nr_ciphers++; + } + + if (cipher & IW_AUTH_CIPHER_TKIP) { + ciphers_pairwise[nr_ciphers] = WLAN_CIPHER_SUITE_TKIP; + nr_ciphers++; + } + + if (cipher & IW_AUTH_CIPHER_CCMP) { + ciphers_pairwise[nr_ciphers] = WLAN_CIPHER_SUITE_CCMP; + nr_ciphers++; + } + + if (cipher & IW_AUTH_CIPHER_AES_CMAC) { + ciphers_pairwise[nr_ciphers] = WLAN_CIPHER_SUITE_AES_CMAC; + nr_ciphers++; + } + + BUILD_BUG_ON(NL80211_MAX_NR_CIPHER_SUITES < 5); + + wdev->wext.connect.crypto.n_ciphers_pairwise = nr_ciphers; + + return 0; +} + + +static int cfg80211_set_key_mgt(struct wireless_dev *wdev, u32 key_mgt) +{ + int nr_akm_suites = 0; + + if (key_mgt & ~(IW_AUTH_KEY_MGMT_802_1X | + IW_AUTH_KEY_MGMT_PSK)) + return -EINVAL; + + if (key_mgt & IW_AUTH_KEY_MGMT_802_1X) { + wdev->wext.connect.crypto.akm_suites[nr_akm_suites] = + WLAN_AKM_SUITE_8021X; + nr_akm_suites++; + } + + if (key_mgt & IW_AUTH_KEY_MGMT_PSK) { + wdev->wext.connect.crypto.akm_suites[nr_akm_suites] = + WLAN_AKM_SUITE_PSK; + nr_akm_suites++; + } + + wdev->wext.connect.crypto.n_akm_suites = nr_akm_suites; + + return 0; +} + +static int cfg80211_wext_siwauth(struct net_device *dev, + struct iw_request_info *info, + union iwreq_data *wrqu, char *extra) +{ + struct iw_param *data = &wrqu->param; + struct wireless_dev *wdev = dev->ieee80211_ptr; + + if (wdev->iftype != NL80211_IFTYPE_STATION) + return -EOPNOTSUPP; + + switch (data->flags & IW_AUTH_INDEX) { + case IW_AUTH_PRIVACY_INVOKED: + wdev->wext.connect.privacy = data->value; + return 0; + case IW_AUTH_WPA_VERSION: + return cfg80211_set_wpa_version(wdev, data->value); + case IW_AUTH_CIPHER_GROUP: + return cfg80211_set_cipher_group(wdev, data->value); + case IW_AUTH_KEY_MGMT: + return cfg80211_set_key_mgt(wdev, data->value); + case IW_AUTH_CIPHER_PAIRWISE: + return cfg80211_set_cipher_pairwise(wdev, data->value); + case IW_AUTH_80211_AUTH_ALG: + return cfg80211_set_auth_alg(wdev, data->value); + case IW_AUTH_WPA_ENABLED: + case IW_AUTH_RX_UNENCRYPTED_EAPOL: + case IW_AUTH_DROP_UNENCRYPTED: + case IW_AUTH_MFP: + return 0; + default: + return -EOPNOTSUPP; + } +} + +static int cfg80211_wext_giwauth(struct net_device *dev, + struct iw_request_info *info, + union iwreq_data *wrqu, char *extra) +{ + /* XXX: what do we need? */ + + return -EOPNOTSUPP; +} + +static int cfg80211_wext_siwpower(struct net_device *dev, + struct iw_request_info *info, + union iwreq_data *wrqu, char *extra) +{ + struct iw_param *wrq = &wrqu->power; + struct wireless_dev *wdev = dev->ieee80211_ptr; + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); + bool ps; + int timeout = wdev->ps_timeout; + int err; + + if (wdev->iftype != NL80211_IFTYPE_STATION) + return -EINVAL; + + if (!rdev->ops->set_power_mgmt) + return -EOPNOTSUPP; + + if (wrq->disabled) { + ps = false; + } else { + switch (wrq->flags & IW_POWER_MODE) { + case IW_POWER_ON: /* If not specified */ + case IW_POWER_MODE: /* If set all mask */ + case IW_POWER_ALL_R: /* If explicitely state all */ + ps = true; + break; + default: /* Otherwise we ignore */ + return -EINVAL; + } + + if (wrq->flags & ~(IW_POWER_MODE | IW_POWER_TIMEOUT)) + return -EINVAL; + + if (wrq->flags & IW_POWER_TIMEOUT) + timeout = wrq->value / 1000; + } + + wiphy_lock(&rdev->wiphy); + err = rdev_set_power_mgmt(rdev, dev, ps, timeout); + wiphy_unlock(&rdev->wiphy); + if (err) + return err; + + wdev->ps = ps; + wdev->ps_timeout = timeout; + + return 0; + +} + +static int cfg80211_wext_giwpower(struct net_device *dev, + struct iw_request_info *info, + union iwreq_data *wrqu, char *extra) +{ + struct iw_param *wrq = &wrqu->power; + struct wireless_dev *wdev = dev->ieee80211_ptr; + + wrq->disabled = !wdev->ps; + + return 0; +} + +static int cfg80211_wext_siwrate(struct net_device *dev, + struct iw_request_info *info, + union iwreq_data *wrqu, char *extra) +{ + struct iw_param *rate = &wrqu->bitrate; + struct wireless_dev *wdev = dev->ieee80211_ptr; + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); + struct cfg80211_bitrate_mask mask; + u32 fixed, maxrate; + struct ieee80211_supported_band *sband; + int band, ridx, ret; + bool match = false; + + if (!rdev->ops->set_bitrate_mask) + return -EOPNOTSUPP; + + memset(&mask, 0, sizeof(mask)); + fixed = 0; + maxrate = (u32)-1; + + if (rate->value < 0) { + /* nothing */ + } else if (rate->fixed) { + fixed = rate->value / 100000; + } else { + maxrate = rate->value / 100000; + } + + for (band = 0; band < NUM_NL80211_BANDS; band++) { + sband = wdev->wiphy->bands[band]; + if (sband == NULL) + continue; + for (ridx = 0; ridx < sband->n_bitrates; ridx++) { + struct ieee80211_rate *srate = &sband->bitrates[ridx]; + if (fixed == srate->bitrate) { + mask.control[band].legacy = 1 << ridx; + match = true; + break; + } + if (srate->bitrate <= maxrate) { + mask.control[band].legacy |= 1 << ridx; + match = true; + } + } + } + + if (!match) + return -EINVAL; + + wiphy_lock(&rdev->wiphy); + if (dev->ieee80211_ptr->valid_links) + ret = -EOPNOTSUPP; + else + ret = rdev_set_bitrate_mask(rdev, dev, 0, NULL, &mask); + wiphy_unlock(&rdev->wiphy); + + return ret; +} + +static int cfg80211_wext_giwrate(struct net_device *dev, + struct iw_request_info *info, + union iwreq_data *wrqu, char *extra) +{ + struct iw_param *rate = &wrqu->bitrate; + struct wireless_dev *wdev = dev->ieee80211_ptr; + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); + struct station_info sinfo = {}; + u8 addr[ETH_ALEN]; + int err; + + if (wdev->iftype != NL80211_IFTYPE_STATION) + return -EOPNOTSUPP; + + if (!rdev->ops->get_station) + return -EOPNOTSUPP; + + err = 0; + wdev_lock(wdev); + if (!wdev->valid_links && wdev->links[0].client.current_bss) + memcpy(addr, wdev->links[0].client.current_bss->pub.bssid, + ETH_ALEN); + else + err = -EOPNOTSUPP; + wdev_unlock(wdev); + if (err) + return err; + + wiphy_lock(&rdev->wiphy); + err = rdev_get_station(rdev, dev, addr, &sinfo); + wiphy_unlock(&rdev->wiphy); + if (err) + return err; + + if (!(sinfo.filled & BIT_ULL(NL80211_STA_INFO_TX_BITRATE))) { + err = -EOPNOTSUPP; + goto free; + } + + rate->value = 100000 * cfg80211_calculate_bitrate(&sinfo.txrate); + +free: + cfg80211_sinfo_release_content(&sinfo); + return err; +} + +/* Get wireless statistics. Called by /proc/net/wireless and by SIOCGIWSTATS */ +static struct iw_statistics *cfg80211_wireless_stats(struct net_device *dev) +{ + struct wireless_dev *wdev = dev->ieee80211_ptr; + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); + /* we are under RTNL - globally locked - so can use static structs */ + static struct iw_statistics wstats; + static struct station_info sinfo = {}; + u8 bssid[ETH_ALEN]; + int ret; + + if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION) + return NULL; + + if (!rdev->ops->get_station) + return NULL; + + /* Grab BSSID of current BSS, if any */ + wdev_lock(wdev); + if (wdev->valid_links || !wdev->links[0].client.current_bss) { + wdev_unlock(wdev); + return NULL; + } + memcpy(bssid, wdev->links[0].client.current_bss->pub.bssid, ETH_ALEN); + wdev_unlock(wdev); + + memset(&sinfo, 0, sizeof(sinfo)); + + wiphy_lock(&rdev->wiphy); + ret = rdev_get_station(rdev, dev, bssid, &sinfo); + wiphy_unlock(&rdev->wiphy); + + if (ret) + return NULL; + + memset(&wstats, 0, sizeof(wstats)); + + switch (rdev->wiphy.signal_type) { + case CFG80211_SIGNAL_TYPE_MBM: + if (sinfo.filled & BIT_ULL(NL80211_STA_INFO_SIGNAL)) { + int sig = sinfo.signal; + wstats.qual.updated |= IW_QUAL_LEVEL_UPDATED; + wstats.qual.updated |= IW_QUAL_QUAL_UPDATED; + wstats.qual.updated |= IW_QUAL_DBM; + wstats.qual.level = sig; + if (sig < -110) + sig = -110; + else if (sig > -40) + sig = -40; + wstats.qual.qual = sig + 110; + break; + } + fallthrough; + case CFG80211_SIGNAL_TYPE_UNSPEC: + if (sinfo.filled & BIT_ULL(NL80211_STA_INFO_SIGNAL)) { + wstats.qual.updated |= IW_QUAL_LEVEL_UPDATED; + wstats.qual.updated |= IW_QUAL_QUAL_UPDATED; + wstats.qual.level = sinfo.signal; + wstats.qual.qual = sinfo.signal; + break; + } + fallthrough; + default: + wstats.qual.updated |= IW_QUAL_LEVEL_INVALID; + wstats.qual.updated |= IW_QUAL_QUAL_INVALID; + } + + wstats.qual.updated |= IW_QUAL_NOISE_INVALID; + if (sinfo.filled & BIT_ULL(NL80211_STA_INFO_RX_DROP_MISC)) + wstats.discard.misc = sinfo.rx_dropped_misc; + if (sinfo.filled & BIT_ULL(NL80211_STA_INFO_TX_FAILED)) + wstats.discard.retries = sinfo.tx_failed; + + cfg80211_sinfo_release_content(&sinfo); + + return &wstats; +} + +static int cfg80211_wext_siwap(struct net_device *dev, + struct iw_request_info *info, + union iwreq_data *wrqu, char *extra) +{ + struct sockaddr *ap_addr = &wrqu->ap_addr; + struct wireless_dev *wdev = dev->ieee80211_ptr; + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); + int ret; + + wiphy_lock(&rdev->wiphy); + switch (wdev->iftype) { + case NL80211_IFTYPE_ADHOC: + ret = cfg80211_ibss_wext_siwap(dev, info, ap_addr, extra); + break; + case NL80211_IFTYPE_STATION: + ret = cfg80211_mgd_wext_siwap(dev, info, ap_addr, extra); + break; + default: + ret = -EOPNOTSUPP; + break; + } + wiphy_unlock(&rdev->wiphy); + + return ret; +} + +static int cfg80211_wext_giwap(struct net_device *dev, + struct iw_request_info *info, + union iwreq_data *wrqu, char *extra) +{ + struct sockaddr *ap_addr = &wrqu->ap_addr; + struct wireless_dev *wdev = dev->ieee80211_ptr; + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); + int ret; + + wiphy_lock(&rdev->wiphy); + switch (wdev->iftype) { + case NL80211_IFTYPE_ADHOC: + ret = cfg80211_ibss_wext_giwap(dev, info, ap_addr, extra); + break; + case NL80211_IFTYPE_STATION: + ret = cfg80211_mgd_wext_giwap(dev, info, ap_addr, extra); + break; + default: + ret = -EOPNOTSUPP; + break; + } + wiphy_unlock(&rdev->wiphy); + + return ret; +} + +static int cfg80211_wext_siwessid(struct net_device *dev, + struct iw_request_info *info, + union iwreq_data *wrqu, char *ssid) +{ + struct iw_point *data = &wrqu->data; + struct wireless_dev *wdev = dev->ieee80211_ptr; + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); + int ret; + + wiphy_lock(&rdev->wiphy); + switch (wdev->iftype) { + case NL80211_IFTYPE_ADHOC: + ret = cfg80211_ibss_wext_siwessid(dev, info, data, ssid); + break; + case NL80211_IFTYPE_STATION: + ret = cfg80211_mgd_wext_siwessid(dev, info, data, ssid); + break; + default: + ret = -EOPNOTSUPP; + break; + } + wiphy_unlock(&rdev->wiphy); + + return ret; +} + +static int cfg80211_wext_giwessid(struct net_device *dev, + struct iw_request_info *info, + union iwreq_data *wrqu, char *ssid) +{ + struct iw_point *data = &wrqu->data; + struct wireless_dev *wdev = dev->ieee80211_ptr; + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); + int ret; + + data->flags = 0; + data->length = 0; + + wiphy_lock(&rdev->wiphy); + switch (wdev->iftype) { + case NL80211_IFTYPE_ADHOC: + ret = cfg80211_ibss_wext_giwessid(dev, info, data, ssid); + break; + case NL80211_IFTYPE_STATION: + ret = cfg80211_mgd_wext_giwessid(dev, info, data, ssid); + break; + default: + ret = -EOPNOTSUPP; + break; + } + wiphy_unlock(&rdev->wiphy); + + return ret; +} + +static int cfg80211_wext_siwpmksa(struct net_device *dev, + struct iw_request_info *info, + union iwreq_data *wrqu, char *extra) +{ + struct wireless_dev *wdev = dev->ieee80211_ptr; + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); + struct cfg80211_pmksa cfg_pmksa; + struct iw_pmksa *pmksa = (struct iw_pmksa *)extra; + int ret; + + memset(&cfg_pmksa, 0, sizeof(struct cfg80211_pmksa)); + + if (wdev->iftype != NL80211_IFTYPE_STATION) + return -EINVAL; + + cfg_pmksa.bssid = pmksa->bssid.sa_data; + cfg_pmksa.pmkid = pmksa->pmkid; + + wiphy_lock(&rdev->wiphy); + switch (pmksa->cmd) { + case IW_PMKSA_ADD: + if (!rdev->ops->set_pmksa) { + ret = -EOPNOTSUPP; + break; + } + + ret = rdev_set_pmksa(rdev, dev, &cfg_pmksa); + break; + case IW_PMKSA_REMOVE: + if (!rdev->ops->del_pmksa) { + ret = -EOPNOTSUPP; + break; + } + + ret = rdev_del_pmksa(rdev, dev, &cfg_pmksa); + break; + case IW_PMKSA_FLUSH: + if (!rdev->ops->flush_pmksa) { + ret = -EOPNOTSUPP; + break; + } + + ret = rdev_flush_pmksa(rdev, dev); + break; + default: + ret = -EOPNOTSUPP; + break; + } + wiphy_unlock(&rdev->wiphy); + + return ret; +} + +static const iw_handler cfg80211_handlers[] = { + IW_HANDLER(SIOCGIWNAME, cfg80211_wext_giwname), + IW_HANDLER(SIOCSIWFREQ, cfg80211_wext_siwfreq), + IW_HANDLER(SIOCGIWFREQ, cfg80211_wext_giwfreq), + IW_HANDLER(SIOCSIWMODE, cfg80211_wext_siwmode), + IW_HANDLER(SIOCGIWMODE, cfg80211_wext_giwmode), + IW_HANDLER(SIOCGIWRANGE, cfg80211_wext_giwrange), + IW_HANDLER(SIOCSIWAP, cfg80211_wext_siwap), + IW_HANDLER(SIOCGIWAP, cfg80211_wext_giwap), + IW_HANDLER(SIOCSIWMLME, cfg80211_wext_siwmlme), + IW_HANDLER(SIOCSIWSCAN, cfg80211_wext_siwscan), + IW_HANDLER(SIOCGIWSCAN, cfg80211_wext_giwscan), + IW_HANDLER(SIOCSIWESSID, cfg80211_wext_siwessid), + IW_HANDLER(SIOCGIWESSID, cfg80211_wext_giwessid), + IW_HANDLER(SIOCSIWRATE, cfg80211_wext_siwrate), + IW_HANDLER(SIOCGIWRATE, cfg80211_wext_giwrate), + IW_HANDLER(SIOCSIWRTS, cfg80211_wext_siwrts), + IW_HANDLER(SIOCGIWRTS, cfg80211_wext_giwrts), + IW_HANDLER(SIOCSIWFRAG, cfg80211_wext_siwfrag), + IW_HANDLER(SIOCGIWFRAG, cfg80211_wext_giwfrag), + IW_HANDLER(SIOCSIWTXPOW, cfg80211_wext_siwtxpower), + IW_HANDLER(SIOCGIWTXPOW, cfg80211_wext_giwtxpower), + IW_HANDLER(SIOCSIWRETRY, cfg80211_wext_siwretry), + IW_HANDLER(SIOCGIWRETRY, cfg80211_wext_giwretry), + IW_HANDLER(SIOCSIWENCODE, cfg80211_wext_siwencode), + IW_HANDLER(SIOCGIWENCODE, cfg80211_wext_giwencode), + IW_HANDLER(SIOCSIWPOWER, cfg80211_wext_siwpower), + IW_HANDLER(SIOCGIWPOWER, cfg80211_wext_giwpower), + IW_HANDLER(SIOCSIWGENIE, cfg80211_wext_siwgenie), + IW_HANDLER(SIOCSIWAUTH, cfg80211_wext_siwauth), + IW_HANDLER(SIOCGIWAUTH, cfg80211_wext_giwauth), + IW_HANDLER(SIOCSIWENCODEEXT, cfg80211_wext_siwencodeext), + IW_HANDLER(SIOCSIWPMKSA, cfg80211_wext_siwpmksa), +}; + +const struct iw_handler_def cfg80211_wext_handler = { + .num_standard = ARRAY_SIZE(cfg80211_handlers), + .standard = cfg80211_handlers, + .get_wireless_stats = cfg80211_wireless_stats, +}; |