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1665 lines
42 KiB
1665 lines
42 KiB
// SPDX-License-Identifier: GPL-2.0 |
|
/* |
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* cfg80211 - wext compat code |
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* |
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* This is temporary code until all wireless functionality is migrated |
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* into cfg80211, when that happens all the exports here go away and |
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* we directly assign the wireless handlers of wireless interfaces. |
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* |
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* Copyright 2008-2009 Johannes Berg <[email protected]> |
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* Copyright (C) 2019-2022 Intel Corporation |
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*/ |
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|
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#include <linux/export.h> |
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#include <linux/wireless.h> |
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#include <linux/nl80211.h> |
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#include <linux/if_arp.h> |
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#include <linux/etherdevice.h> |
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#include <linux/slab.h> |
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#include <net/iw_handler.h> |
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#include <net/cfg80211.h> |
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#include <net/cfg80211-wext.h> |
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#include "wext-compat.h" |
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#include "core.h" |
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#include "rdev-ops.h" |
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|
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int cfg80211_wext_giwname(struct net_device *dev, |
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struct iw_request_info *info, |
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char *name, char *extra) |
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{ |
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strcpy(name, "IEEE 802.11"); |
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return 0; |
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} |
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EXPORT_WEXT_HANDLER(cfg80211_wext_giwname); |
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|
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int cfg80211_wext_siwmode(struct net_device *dev, struct iw_request_info *info, |
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u32 *mode, char *extra) |
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{ |
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struct wireless_dev *wdev = dev->ieee80211_ptr; |
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struct cfg80211_registered_device *rdev; |
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struct vif_params vifparams; |
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enum nl80211_iftype type; |
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int ret; |
|
|
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rdev = wiphy_to_rdev(wdev->wiphy); |
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|
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switch (*mode) { |
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case IW_MODE_INFRA: |
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type = NL80211_IFTYPE_STATION; |
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break; |
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case IW_MODE_ADHOC: |
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type = NL80211_IFTYPE_ADHOC; |
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break; |
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case IW_MODE_MONITOR: |
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type = NL80211_IFTYPE_MONITOR; |
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break; |
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default: |
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return -EINVAL; |
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} |
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|
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if (type == wdev->iftype) |
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return 0; |
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|
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memset(&vifparams, 0, sizeof(vifparams)); |
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|
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wiphy_lock(wdev->wiphy); |
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ret = cfg80211_change_iface(rdev, dev, type, &vifparams); |
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wiphy_unlock(wdev->wiphy); |
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|
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return ret; |
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} |
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EXPORT_WEXT_HANDLER(cfg80211_wext_siwmode); |
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|
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int cfg80211_wext_giwmode(struct net_device *dev, struct iw_request_info *info, |
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u32 *mode, char *extra) |
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{ |
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struct wireless_dev *wdev = dev->ieee80211_ptr; |
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|
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if (!wdev) |
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return -EOPNOTSUPP; |
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|
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switch (wdev->iftype) { |
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case NL80211_IFTYPE_AP: |
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*mode = IW_MODE_MASTER; |
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break; |
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case NL80211_IFTYPE_STATION: |
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*mode = IW_MODE_INFRA; |
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break; |
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case NL80211_IFTYPE_ADHOC: |
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*mode = IW_MODE_ADHOC; |
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break; |
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case NL80211_IFTYPE_MONITOR: |
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*mode = IW_MODE_MONITOR; |
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break; |
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case NL80211_IFTYPE_WDS: |
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*mode = IW_MODE_REPEAT; |
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break; |
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case NL80211_IFTYPE_AP_VLAN: |
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*mode = IW_MODE_SECOND; /* FIXME */ |
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break; |
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default: |
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*mode = IW_MODE_AUTO; |
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break; |
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} |
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return 0; |
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} |
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EXPORT_WEXT_HANDLER(cfg80211_wext_giwmode); |
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|
|
|
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int cfg80211_wext_giwrange(struct net_device *dev, |
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struct iw_request_info *info, |
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struct iw_point *data, char *extra) |
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{ |
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struct wireless_dev *wdev = dev->ieee80211_ptr; |
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struct iw_range *range = (struct iw_range *) extra; |
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enum nl80211_band band; |
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int i, c = 0; |
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|
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if (!wdev) |
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return -EOPNOTSUPP; |
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|
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data->length = sizeof(struct iw_range); |
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memset(range, 0, sizeof(struct iw_range)); |
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|
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range->we_version_compiled = WIRELESS_EXT; |
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range->we_version_source = 21; |
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range->retry_capa = IW_RETRY_LIMIT; |
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range->retry_flags = IW_RETRY_LIMIT; |
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range->min_retry = 0; |
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range->max_retry = 255; |
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range->min_rts = 0; |
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range->max_rts = 2347; |
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range->min_frag = 256; |
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range->max_frag = 2346; |
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|
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range->max_encoding_tokens = 4; |
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|
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range->max_qual.updated = IW_QUAL_NOISE_INVALID; |
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|
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switch (wdev->wiphy->signal_type) { |
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case CFG80211_SIGNAL_TYPE_NONE: |
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break; |
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case CFG80211_SIGNAL_TYPE_MBM: |
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range->max_qual.level = (u8)-110; |
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range->max_qual.qual = 70; |
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range->avg_qual.qual = 35; |
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range->max_qual.updated |= IW_QUAL_DBM; |
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range->max_qual.updated |= IW_QUAL_QUAL_UPDATED; |
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range->max_qual.updated |= IW_QUAL_LEVEL_UPDATED; |
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break; |
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case CFG80211_SIGNAL_TYPE_UNSPEC: |
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range->max_qual.level = 100; |
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range->max_qual.qual = 100; |
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range->avg_qual.qual = 50; |
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range->max_qual.updated |= IW_QUAL_QUAL_UPDATED; |
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range->max_qual.updated |= IW_QUAL_LEVEL_UPDATED; |
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break; |
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} |
|
|
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range->avg_qual.level = range->max_qual.level / 2; |
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range->avg_qual.noise = range->max_qual.noise / 2; |
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range->avg_qual.updated = range->max_qual.updated; |
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|
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for (i = 0; i < wdev->wiphy->n_cipher_suites; i++) { |
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switch (wdev->wiphy->cipher_suites[i]) { |
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case WLAN_CIPHER_SUITE_TKIP: |
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range->enc_capa |= (IW_ENC_CAPA_CIPHER_TKIP | |
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IW_ENC_CAPA_WPA); |
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break; |
|
|
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case WLAN_CIPHER_SUITE_CCMP: |
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range->enc_capa |= (IW_ENC_CAPA_CIPHER_CCMP | |
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IW_ENC_CAPA_WPA2); |
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break; |
|
|
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case WLAN_CIPHER_SUITE_WEP40: |
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range->encoding_size[range->num_encoding_sizes++] = |
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WLAN_KEY_LEN_WEP40; |
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break; |
|
|
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case WLAN_CIPHER_SUITE_WEP104: |
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range->encoding_size[range->num_encoding_sizes++] = |
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WLAN_KEY_LEN_WEP104; |
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break; |
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} |
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} |
|
|
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for (band = 0; band < NUM_NL80211_BANDS; band ++) { |
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struct ieee80211_supported_band *sband; |
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|
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sband = wdev->wiphy->bands[band]; |
|
|
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if (!sband) |
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continue; |
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|
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for (i = 0; i < sband->n_channels && c < IW_MAX_FREQUENCIES; i++) { |
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struct ieee80211_channel *chan = &sband->channels[i]; |
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|
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if (!(chan->flags & IEEE80211_CHAN_DISABLED)) { |
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range->freq[c].i = |
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ieee80211_frequency_to_channel( |
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chan->center_freq); |
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range->freq[c].m = chan->center_freq; |
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range->freq[c].e = 6; |
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c++; |
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} |
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} |
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} |
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range->num_channels = c; |
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range->num_frequency = c; |
|
|
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IW_EVENT_CAPA_SET_KERNEL(range->event_capa); |
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IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWAP); |
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IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWSCAN); |
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|
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if (wdev->wiphy->max_scan_ssids > 0) |
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range->scan_capa |= IW_SCAN_CAPA_ESSID; |
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|
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return 0; |
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} |
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EXPORT_WEXT_HANDLER(cfg80211_wext_giwrange); |
|
|
|
|
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/** |
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* cfg80211_wext_freq - get wext frequency for non-"auto" |
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* @freq: the wext freq encoding |
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* |
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* Returns a frequency, or a negative error code, or 0 for auto. |
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*/ |
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int cfg80211_wext_freq(struct iw_freq *freq) |
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{ |
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/* |
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* Parse frequency - return 0 for auto and |
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* -EINVAL for impossible things. |
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*/ |
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if (freq->e == 0) { |
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enum nl80211_band band = NL80211_BAND_2GHZ; |
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if (freq->m < 0) |
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return 0; |
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if (freq->m > 14) |
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band = NL80211_BAND_5GHZ; |
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return ieee80211_channel_to_frequency(freq->m, band); |
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} else { |
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int i, div = 1000000; |
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for (i = 0; i < freq->e; i++) |
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div /= 10; |
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if (div <= 0) |
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return -EINVAL; |
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return freq->m / div; |
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} |
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} |
|
|
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int cfg80211_wext_siwrts(struct net_device *dev, |
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struct iw_request_info *info, |
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struct iw_param *rts, char *extra) |
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{ |
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struct wireless_dev *wdev = dev->ieee80211_ptr; |
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struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
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u32 orts = wdev->wiphy->rts_threshold; |
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int err; |
|
|
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wiphy_lock(&rdev->wiphy); |
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if (rts->disabled || !rts->fixed) { |
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wdev->wiphy->rts_threshold = (u32) -1; |
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} else if (rts->value < 0) { |
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err = -EINVAL; |
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goto out; |
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} else { |
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wdev->wiphy->rts_threshold = rts->value; |
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} |
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|
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err = rdev_set_wiphy_params(rdev, WIPHY_PARAM_RTS_THRESHOLD); |
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|
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if (err) |
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wdev->wiphy->rts_threshold = orts; |
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|
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out: |
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wiphy_unlock(&rdev->wiphy); |
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return err; |
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} |
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EXPORT_WEXT_HANDLER(cfg80211_wext_siwrts); |
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|
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int cfg80211_wext_giwrts(struct net_device *dev, |
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struct iw_request_info *info, |
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struct iw_param *rts, char *extra) |
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{ |
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struct wireless_dev *wdev = dev->ieee80211_ptr; |
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|
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rts->value = wdev->wiphy->rts_threshold; |
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rts->disabled = rts->value == (u32) -1; |
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rts->fixed = 1; |
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|
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return 0; |
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} |
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EXPORT_WEXT_HANDLER(cfg80211_wext_giwrts); |
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|
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int cfg80211_wext_siwfrag(struct net_device *dev, |
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struct iw_request_info *info, |
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struct iw_param *frag, char *extra) |
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{ |
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struct wireless_dev *wdev = dev->ieee80211_ptr; |
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struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
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u32 ofrag = wdev->wiphy->frag_threshold; |
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int err; |
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|
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wiphy_lock(&rdev->wiphy); |
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if (frag->disabled || !frag->fixed) { |
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wdev->wiphy->frag_threshold = (u32) -1; |
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} else if (frag->value < 256) { |
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err = -EINVAL; |
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goto out; |
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} else { |
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/* Fragment length must be even, so strip LSB. */ |
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wdev->wiphy->frag_threshold = frag->value & ~0x1; |
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} |
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err = rdev_set_wiphy_params(rdev, WIPHY_PARAM_FRAG_THRESHOLD); |
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if (err) |
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wdev->wiphy->frag_threshold = ofrag; |
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out: |
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wiphy_unlock(&rdev->wiphy); |
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|
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return err; |
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} |
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EXPORT_WEXT_HANDLER(cfg80211_wext_siwfrag); |
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int cfg80211_wext_giwfrag(struct net_device *dev, |
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struct iw_request_info *info, |
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struct iw_param *frag, char *extra) |
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{ |
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struct wireless_dev *wdev = dev->ieee80211_ptr; |
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|
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frag->value = wdev->wiphy->frag_threshold; |
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frag->disabled = frag->value == (u32) -1; |
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frag->fixed = 1; |
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|
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return 0; |
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} |
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EXPORT_WEXT_HANDLER(cfg80211_wext_giwfrag); |
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|
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static int cfg80211_wext_siwretry(struct net_device *dev, |
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struct iw_request_info *info, |
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struct iw_param *retry, char *extra) |
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{ |
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struct wireless_dev *wdev = dev->ieee80211_ptr; |
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struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
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u32 changed = 0; |
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u8 olong = wdev->wiphy->retry_long; |
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u8 oshort = wdev->wiphy->retry_short; |
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int err; |
|
|
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if (retry->disabled || retry->value < 1 || retry->value > 255 || |
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(retry->flags & IW_RETRY_TYPE) != IW_RETRY_LIMIT) |
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return -EINVAL; |
|
|
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wiphy_lock(&rdev->wiphy); |
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if (retry->flags & IW_RETRY_LONG) { |
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wdev->wiphy->retry_long = retry->value; |
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changed |= WIPHY_PARAM_RETRY_LONG; |
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} else if (retry->flags & IW_RETRY_SHORT) { |
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wdev->wiphy->retry_short = retry->value; |
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changed |= WIPHY_PARAM_RETRY_SHORT; |
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} else { |
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wdev->wiphy->retry_short = retry->value; |
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wdev->wiphy->retry_long = retry->value; |
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changed |= WIPHY_PARAM_RETRY_LONG; |
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changed |= WIPHY_PARAM_RETRY_SHORT; |
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} |
|
|
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err = rdev_set_wiphy_params(rdev, changed); |
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if (err) { |
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wdev->wiphy->retry_short = oshort; |
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wdev->wiphy->retry_long = olong; |
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} |
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wiphy_unlock(&rdev->wiphy); |
|
|
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return err; |
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} |
|
|
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int cfg80211_wext_giwretry(struct net_device *dev, |
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struct iw_request_info *info, |
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struct iw_param *retry, char *extra) |
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{ |
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struct wireless_dev *wdev = dev->ieee80211_ptr; |
|
|
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retry->disabled = 0; |
|
|
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if (retry->flags == 0 || (retry->flags & IW_RETRY_SHORT)) { |
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/* |
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* First return short value, iwconfig will ask long value |
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* later if needed |
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*/ |
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retry->flags |= IW_RETRY_LIMIT | IW_RETRY_SHORT; |
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retry->value = wdev->wiphy->retry_short; |
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if (wdev->wiphy->retry_long == wdev->wiphy->retry_short) |
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retry->flags |= IW_RETRY_LONG; |
|
|
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return 0; |
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} |
|
|
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if (retry->flags & IW_RETRY_LONG) { |
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retry->flags = IW_RETRY_LIMIT | IW_RETRY_LONG; |
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retry->value = wdev->wiphy->retry_long; |
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} |
|
|
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return 0; |
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} |
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EXPORT_WEXT_HANDLER(cfg80211_wext_giwretry); |
|
|
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static int __cfg80211_set_encryption(struct cfg80211_registered_device *rdev, |
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struct net_device *dev, bool pairwise, |
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const u8 *addr, bool remove, bool tx_key, |
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int idx, struct key_params *params) |
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{ |
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struct wireless_dev *wdev = dev->ieee80211_ptr; |
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int err, i; |
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bool rejoin = false; |
|
|
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if (wdev->valid_links) |
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return -EINVAL; |
|
|
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if (pairwise && !addr) |
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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) |
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return -ENOMEM; |
|
for (i = 0; i < CFG80211_MAX_WEP_KEYS; i++) |
|
wdev->wext.keys->params[i].key = |
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wdev->wext.keys->data[i]; |
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} |
|
|
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if (wdev->iftype != NL80211_IFTYPE_ADHOC && |
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wdev->iftype != NL80211_IFTYPE_STATION) |
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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, |
|
struct iw_point *erq, char *keybuf) |
|
{ |
|
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, |
|
struct iw_point *erq, char *extra) |
|
{ |
|
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, |
|
struct iw_point *erq, char *keybuf) |
|
{ |
|
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, |
|
struct iw_freq *wextfreq, char *extra) |
|
{ |
|
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, |
|
struct iw_freq *freq, char *extra) |
|
{ |
|
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, |
|
struct iw_param *data, char *extra) |
|
{ |
|
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, |
|
struct iw_param *data, char *extra) |
|
{ |
|
/* XXX: what do we need? */ |
|
|
|
return -EOPNOTSUPP; |
|
} |
|
|
|
static int cfg80211_wext_siwpower(struct net_device *dev, |
|
struct iw_request_info *info, |
|
struct iw_param *wrq, char *extra) |
|
{ |
|
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, |
|
struct iw_param *wrq, char *extra) |
|
{ |
|
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, |
|
struct iw_param *rate, char *extra) |
|
{ |
|
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, |
|
struct iw_param *rate, char *extra) |
|
{ |
|
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, |
|
struct sockaddr *ap_addr, char *extra) |
|
{ |
|
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, |
|
struct sockaddr *ap_addr, char *extra) |
|
{ |
|
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, |
|
struct iw_point *data, char *ssid) |
|
{ |
|
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, |
|
struct iw_point *data, char *ssid) |
|
{ |
|
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, |
|
struct iw_point *data, 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; |
|
} |
|
|
|
#define DEFINE_WEXT_COMPAT_STUB(func, type) \ |
|
static int __ ## func(struct net_device *dev, \ |
|
struct iw_request_info *info, \ |
|
union iwreq_data *wrqu, \ |
|
char *extra) \ |
|
{ \ |
|
return func(dev, info, (type *)wrqu, extra); \ |
|
} |
|
|
|
DEFINE_WEXT_COMPAT_STUB(cfg80211_wext_giwname, char) |
|
DEFINE_WEXT_COMPAT_STUB(cfg80211_wext_siwfreq, struct iw_freq) |
|
DEFINE_WEXT_COMPAT_STUB(cfg80211_wext_giwfreq, struct iw_freq) |
|
DEFINE_WEXT_COMPAT_STUB(cfg80211_wext_siwmode, u32) |
|
DEFINE_WEXT_COMPAT_STUB(cfg80211_wext_giwmode, u32) |
|
DEFINE_WEXT_COMPAT_STUB(cfg80211_wext_giwrange, struct iw_point) |
|
DEFINE_WEXT_COMPAT_STUB(cfg80211_wext_siwap, struct sockaddr) |
|
DEFINE_WEXT_COMPAT_STUB(cfg80211_wext_giwap, struct sockaddr) |
|
DEFINE_WEXT_COMPAT_STUB(cfg80211_wext_siwmlme, struct iw_point) |
|
DEFINE_WEXT_COMPAT_STUB(cfg80211_wext_giwscan, struct iw_point) |
|
DEFINE_WEXT_COMPAT_STUB(cfg80211_wext_siwessid, struct iw_point) |
|
DEFINE_WEXT_COMPAT_STUB(cfg80211_wext_giwessid, struct iw_point) |
|
DEFINE_WEXT_COMPAT_STUB(cfg80211_wext_siwrate, struct iw_param) |
|
DEFINE_WEXT_COMPAT_STUB(cfg80211_wext_giwrate, struct iw_param) |
|
DEFINE_WEXT_COMPAT_STUB(cfg80211_wext_siwrts, struct iw_param) |
|
DEFINE_WEXT_COMPAT_STUB(cfg80211_wext_giwrts, struct iw_param) |
|
DEFINE_WEXT_COMPAT_STUB(cfg80211_wext_siwfrag, struct iw_param) |
|
DEFINE_WEXT_COMPAT_STUB(cfg80211_wext_giwfrag, struct iw_param) |
|
DEFINE_WEXT_COMPAT_STUB(cfg80211_wext_siwretry, struct iw_param) |
|
DEFINE_WEXT_COMPAT_STUB(cfg80211_wext_giwretry, struct iw_param) |
|
DEFINE_WEXT_COMPAT_STUB(cfg80211_wext_siwencode, struct iw_point) |
|
DEFINE_WEXT_COMPAT_STUB(cfg80211_wext_giwencode, struct iw_point) |
|
DEFINE_WEXT_COMPAT_STUB(cfg80211_wext_giwpower, struct iw_param) |
|
DEFINE_WEXT_COMPAT_STUB(cfg80211_wext_siwpower, struct iw_param) |
|
DEFINE_WEXT_COMPAT_STUB(cfg80211_wext_siwgenie, struct iw_point) |
|
DEFINE_WEXT_COMPAT_STUB(cfg80211_wext_giwauth, struct iw_param) |
|
DEFINE_WEXT_COMPAT_STUB(cfg80211_wext_siwauth, struct iw_param) |
|
DEFINE_WEXT_COMPAT_STUB(cfg80211_wext_siwencodeext, struct iw_point) |
|
DEFINE_WEXT_COMPAT_STUB(cfg80211_wext_siwpmksa, struct iw_point) |
|
|
|
static const iw_handler cfg80211_handlers[] = { |
|
[IW_IOCTL_IDX(SIOCGIWNAME)] = __cfg80211_wext_giwname, |
|
[IW_IOCTL_IDX(SIOCSIWFREQ)] = __cfg80211_wext_siwfreq, |
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[IW_IOCTL_IDX(SIOCGIWFREQ)] = __cfg80211_wext_giwfreq, |
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[IW_IOCTL_IDX(SIOCSIWMODE)] = __cfg80211_wext_siwmode, |
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[IW_IOCTL_IDX(SIOCGIWMODE)] = __cfg80211_wext_giwmode, |
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[IW_IOCTL_IDX(SIOCGIWRANGE)] = __cfg80211_wext_giwrange, |
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[IW_IOCTL_IDX(SIOCSIWAP)] = __cfg80211_wext_siwap, |
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[IW_IOCTL_IDX(SIOCGIWAP)] = __cfg80211_wext_giwap, |
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[IW_IOCTL_IDX(SIOCSIWMLME)] = __cfg80211_wext_siwmlme, |
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[IW_IOCTL_IDX(SIOCSIWSCAN)] = cfg80211_wext_siwscan, |
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[IW_IOCTL_IDX(SIOCGIWSCAN)] = __cfg80211_wext_giwscan, |
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[IW_IOCTL_IDX(SIOCSIWESSID)] = __cfg80211_wext_siwessid, |
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[IW_IOCTL_IDX(SIOCGIWESSID)] = __cfg80211_wext_giwessid, |
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[IW_IOCTL_IDX(SIOCSIWRATE)] = __cfg80211_wext_siwrate, |
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[IW_IOCTL_IDX(SIOCGIWRATE)] = __cfg80211_wext_giwrate, |
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[IW_IOCTL_IDX(SIOCSIWRTS)] = __cfg80211_wext_siwrts, |
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[IW_IOCTL_IDX(SIOCGIWRTS)] = __cfg80211_wext_giwrts, |
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[IW_IOCTL_IDX(SIOCSIWFRAG)] = __cfg80211_wext_siwfrag, |
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[IW_IOCTL_IDX(SIOCGIWFRAG)] = __cfg80211_wext_giwfrag, |
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[IW_IOCTL_IDX(SIOCSIWTXPOW)] = cfg80211_wext_siwtxpower, |
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[IW_IOCTL_IDX(SIOCGIWTXPOW)] = cfg80211_wext_giwtxpower, |
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[IW_IOCTL_IDX(SIOCSIWRETRY)] = __cfg80211_wext_siwretry, |
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[IW_IOCTL_IDX(SIOCGIWRETRY)] = __cfg80211_wext_giwretry, |
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[IW_IOCTL_IDX(SIOCSIWENCODE)] = __cfg80211_wext_siwencode, |
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[IW_IOCTL_IDX(SIOCGIWENCODE)] = __cfg80211_wext_giwencode, |
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[IW_IOCTL_IDX(SIOCSIWPOWER)] = __cfg80211_wext_siwpower, |
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[IW_IOCTL_IDX(SIOCGIWPOWER)] = __cfg80211_wext_giwpower, |
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[IW_IOCTL_IDX(SIOCSIWGENIE)] = __cfg80211_wext_siwgenie, |
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[IW_IOCTL_IDX(SIOCSIWAUTH)] = __cfg80211_wext_siwauth, |
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[IW_IOCTL_IDX(SIOCGIWAUTH)] = __cfg80211_wext_giwauth, |
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[IW_IOCTL_IDX(SIOCSIWENCODEEXT)]= __cfg80211_wext_siwencodeext, |
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[IW_IOCTL_IDX(SIOCSIWPMKSA)] = __cfg80211_wext_siwpmksa, |
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}; |
|
|
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const struct iw_handler_def cfg80211_wext_handler = { |
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.num_standard = ARRAY_SIZE(cfg80211_handlers), |
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.standard = cfg80211_handlers, |
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.get_wireless_stats = cfg80211_wireless_stats, |
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};
|
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