| // 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 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, |
| char *name, char *extra) |
| { |
| strcpy(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, |
| u32 *mode, char *extra) |
| { |
| struct wireless_dev *wdev = dev->ieee80211_ptr; |
| struct cfg80211_registered_device *rdev; |
| struct vif_params vifparams; |
| enum nl80211_iftype type; |
| |
| 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_REPEAT: |
| type = NL80211_IFTYPE_WDS; |
| break; |
| case IW_MODE_MONITOR: |
| type = NL80211_IFTYPE_MONITOR; |
| break; |
| default: |
| return -EINVAL; |
| } |
| |
| if (type == wdev->iftype) |
| return 0; |
| |
| memset(&vifparams, 0, sizeof(vifparams)); |
| |
| return cfg80211_change_iface(rdev, dev, type, &vifparams); |
| } |
| EXPORT_WEXT_HANDLER(cfg80211_wext_siwmode); |
| |
| int cfg80211_wext_giwmode(struct net_device *dev, struct iw_request_info *info, |
| u32 *mode, char *extra) |
| { |
| 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, |
| struct iw_point *data, char *extra) |
| { |
| 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, |
| struct iw_param *rts, char *extra) |
| { |
| 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; |
| |
| if (rts->disabled || !rts->fixed) |
| wdev->wiphy->rts_threshold = (u32) -1; |
| else if (rts->value < 0) |
| return -EINVAL; |
| else |
| wdev->wiphy->rts_threshold = rts->value; |
| |
| err = rdev_set_wiphy_params(rdev, WIPHY_PARAM_RTS_THRESHOLD); |
| if (err) |
| wdev->wiphy->rts_threshold = orts; |
| |
| return err; |
| } |
| EXPORT_WEXT_HANDLER(cfg80211_wext_siwrts); |
| |
| int cfg80211_wext_giwrts(struct net_device *dev, |
| struct iw_request_info *info, |
| struct iw_param *rts, char *extra) |
| { |
| 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, |
| struct iw_param *frag, char *extra) |
| { |
| 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; |
| |
| if (frag->disabled || !frag->fixed) |
| wdev->wiphy->frag_threshold = (u32) -1; |
| else if (frag->value < 256) |
| return -EINVAL; |
| 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; |
| |
| return err; |
| } |
| EXPORT_WEXT_HANDLER(cfg80211_wext_siwfrag); |
| |
| int cfg80211_wext_giwfrag(struct net_device *dev, |
| struct iw_request_info *info, |
| struct iw_param *frag, char *extra) |
| { |
| 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, |
| struct iw_param *retry, char *extra) |
| { |
| 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; |
| |
| 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; |
| } |
| |
| return err; |
| } |
| |
| int cfg80211_wext_giwretry(struct net_device *dev, |
| struct iw_request_info *info, |
| struct iw_param *retry, char *extra) |
| { |
| 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 (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 < CFG80211_MAX_WEP_KEYS; 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->current_bss) |
| 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->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, 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->current_bss) |
| err = rdev_add_key(rdev, dev, 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->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, 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->current_bss) |
| err = rdev_set_default_mgmt_key(rdev, dev, 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; |
| |
| 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--; |
| |
| 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->current_bss) |
| err = rdev_set_default_key(rdev, dev, idx, true, |
| true); |
| if (!err) |
| wdev->wext.default_key = idx; |
| wdev_unlock(wdev); |
| return err; |
| } |
| |
| 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) |
| return -EINVAL; |
| |
| return cfg80211_set_encryption(rdev, dev, false, NULL, remove, |
| wdev->wext.default_key == -1, |
| idx, ¶ms); |
| } |
| |
| 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; |
| |
| 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; |
| |
| 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; |
| } |
| |
| return 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); |
| } |
| |
| 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; |
| |
| switch (wdev->iftype) { |
| case NL80211_IFTYPE_STATION: |
| return cfg80211_mgd_wext_siwfreq(dev, info, wextfreq, extra); |
| case NL80211_IFTYPE_ADHOC: |
| return cfg80211_ibss_wext_siwfreq(dev, info, wextfreq, extra); |
| case NL80211_IFTYPE_MONITOR: |
| freq = cfg80211_wext_freq(wextfreq); |
| if (freq < 0) |
| return freq; |
| if (freq == 0) |
| return -EINVAL; |
| chandef.center_freq1 = freq; |
| chandef.chan = ieee80211_get_channel(&rdev->wiphy, freq); |
| if (!chandef.chan) |
| return -EINVAL; |
| return cfg80211_set_monitor_channel(rdev, &chandef); |
| case NL80211_IFTYPE_MESH_POINT: |
| freq = cfg80211_wext_freq(wextfreq); |
| if (freq < 0) |
| return freq; |
| if (freq == 0) |
| return -EINVAL; |
| chandef.center_freq1 = freq; |
| chandef.chan = ieee80211_get_channel(&rdev->wiphy, freq); |
| if (!chandef.chan) |
| return -EINVAL; |
| return cfg80211_set_mesh_channel(rdev, wdev, &chandef); |
| default: |
| return -EOPNOTSUPP; |
| } |
| } |
| |
| 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; |
| |
| switch (wdev->iftype) { |
| case NL80211_IFTYPE_STATION: |
| return cfg80211_mgd_wext_giwfreq(dev, info, freq, extra); |
| case NL80211_IFTYPE_ADHOC: |
| return cfg80211_ibss_wext_giwfreq(dev, info, freq, extra); |
| case NL80211_IFTYPE_MONITOR: |
| if (!rdev->ops->get_channel) |
| return -EINVAL; |
| |
| ret = rdev_get_channel(rdev, wdev, &chandef); |
| if (ret) |
| return ret; |
| freq->m = chandef.chan->center_freq; |
| freq->e = 6; |
| return 0; |
| default: |
| return -EINVAL; |
| } |
| } |
| |
| 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; |
| |
| 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->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->rfkill, true)) |
| schedule_work(&rdev->rfkill_block); |
| return 0; |
| } |
| |
| return rdev_set_tx_power(rdev, wdev, type, DBM_TO_MBM(dbm)); |
| } |
| |
| 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; |
| |
| err = rdev_get_tx_power(rdev, wdev, &val); |
| if (err) |
| return err; |
| |
| /* well... oh well */ |
| data->txpower.fixed = 1; |
| data->txpower.disabled = rfkill_blocked(rdev->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 = wdev->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; |
| } |
| |
| err = rdev_set_power_mgmt(rdev, dev, ps, timeout); |
| 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_wds_wext_siwap(struct net_device *dev, |
| struct iw_request_info *info, |
| struct sockaddr *addr, char *extra) |
| { |
| struct wireless_dev *wdev = dev->ieee80211_ptr; |
| struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
| int err; |
| |
| if (WARN_ON(wdev->iftype != NL80211_IFTYPE_WDS)) |
| return -EINVAL; |
| |
| if (addr->sa_family != ARPHRD_ETHER) |
| return -EINVAL; |
| |
| if (netif_running(dev)) |
| return -EBUSY; |
| |
| if (!rdev->ops->set_wds_peer) |
| return -EOPNOTSUPP; |
| |
| err = rdev_set_wds_peer(rdev, dev, (u8 *)&addr->sa_data); |
| if (err) |
| return err; |
| |
| memcpy(&wdev->wext.bssid, (u8 *) &addr->sa_data, ETH_ALEN); |
| |
| return 0; |
| } |
| |
| static int cfg80211_wds_wext_giwap(struct net_device *dev, |
| struct iw_request_info *info, |
| struct sockaddr *addr, char *extra) |
| { |
| struct wireless_dev *wdev = dev->ieee80211_ptr; |
| |
| if (WARN_ON(wdev->iftype != NL80211_IFTYPE_WDS)) |
| return -EINVAL; |
| |
| addr->sa_family = ARPHRD_ETHER; |
| memcpy(&addr->sa_data, wdev->wext.bssid, ETH_ALEN); |
| |
| 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; |
| 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; |
| |
| return rdev_set_bitrate_mask(rdev, dev, NULL, &mask); |
| } |
| |
| 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->current_bss) |
| memcpy(addr, wdev->current_bss->pub.bssid, ETH_ALEN); |
| else |
| err = -EOPNOTSUPP; |
| wdev_unlock(wdev); |
| if (err) |
| return err; |
| |
| err = rdev_get_station(rdev, dev, addr, &sinfo); |
| 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]; |
| |
| 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->current_bss) { |
| wdev_unlock(wdev); |
| return NULL; |
| } |
| memcpy(bssid, wdev->current_bss->pub.bssid, ETH_ALEN); |
| wdev_unlock(wdev); |
| |
| memset(&sinfo, 0, sizeof(sinfo)); |
| |
| if (rdev_get_station(rdev, dev, bssid, &sinfo)) |
| 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; |
| |
| switch (wdev->iftype) { |
| case NL80211_IFTYPE_ADHOC: |
| return cfg80211_ibss_wext_siwap(dev, info, ap_addr, extra); |
| case NL80211_IFTYPE_STATION: |
| return cfg80211_mgd_wext_siwap(dev, info, ap_addr, extra); |
| case NL80211_IFTYPE_WDS: |
| return cfg80211_wds_wext_siwap(dev, info, ap_addr, extra); |
| default: |
| return -EOPNOTSUPP; |
| } |
| } |
| |
| 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; |
| |
| switch (wdev->iftype) { |
| case NL80211_IFTYPE_ADHOC: |
| return cfg80211_ibss_wext_giwap(dev, info, ap_addr, extra); |
| case NL80211_IFTYPE_STATION: |
| return cfg80211_mgd_wext_giwap(dev, info, ap_addr, extra); |
| case NL80211_IFTYPE_WDS: |
| return cfg80211_wds_wext_giwap(dev, info, ap_addr, extra); |
| default: |
| return -EOPNOTSUPP; |
| } |
| } |
| |
| 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; |
| |
| switch (wdev->iftype) { |
| case NL80211_IFTYPE_ADHOC: |
| return cfg80211_ibss_wext_siwessid(dev, info, data, ssid); |
| case NL80211_IFTYPE_STATION: |
| return cfg80211_mgd_wext_siwessid(dev, info, data, ssid); |
| default: |
| return -EOPNOTSUPP; |
| } |
| } |
| |
| 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; |
| |
| data->flags = 0; |
| data->length = 0; |
| |
| switch (wdev->iftype) { |
| case NL80211_IFTYPE_ADHOC: |
| return cfg80211_ibss_wext_giwessid(dev, info, data, ssid); |
| case NL80211_IFTYPE_STATION: |
| return cfg80211_mgd_wext_giwessid(dev, info, data, ssid); |
| default: |
| return -EOPNOTSUPP; |
| } |
| } |
| |
| 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; |
| |
| 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; |
| |
| switch (pmksa->cmd) { |
| case IW_PMKSA_ADD: |
| if (!rdev->ops->set_pmksa) |
| return -EOPNOTSUPP; |
| |
| return rdev_set_pmksa(rdev, dev, &cfg_pmksa); |
| |
| case IW_PMKSA_REMOVE: |
| if (!rdev->ops->del_pmksa) |
| return -EOPNOTSUPP; |
| |
| return rdev_del_pmksa(rdev, dev, &cfg_pmksa); |
| |
| case IW_PMKSA_FLUSH: |
| if (!rdev->ops->flush_pmksa) |
| return -EOPNOTSUPP; |
| |
| return rdev_flush_pmksa(rdev, dev); |
| |
| default: |
| return -EOPNOTSUPP; |
| } |
| } |
| |
| #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, |
| [IW_IOCTL_IDX(SIOCGIWFREQ)] = __cfg80211_wext_giwfreq, |
| [IW_IOCTL_IDX(SIOCSIWMODE)] = __cfg80211_wext_siwmode, |
| [IW_IOCTL_IDX(SIOCGIWMODE)] = __cfg80211_wext_giwmode, |
| [IW_IOCTL_IDX(SIOCGIWRANGE)] = __cfg80211_wext_giwrange, |
| [IW_IOCTL_IDX(SIOCSIWAP)] = __cfg80211_wext_siwap, |
| [IW_IOCTL_IDX(SIOCGIWAP)] = __cfg80211_wext_giwap, |
| [IW_IOCTL_IDX(SIOCSIWMLME)] = __cfg80211_wext_siwmlme, |
| [IW_IOCTL_IDX(SIOCSIWSCAN)] = cfg80211_wext_siwscan, |
| [IW_IOCTL_IDX(SIOCGIWSCAN)] = __cfg80211_wext_giwscan, |
| [IW_IOCTL_IDX(SIOCSIWESSID)] = __cfg80211_wext_siwessid, |
| [IW_IOCTL_IDX(SIOCGIWESSID)] = __cfg80211_wext_giwessid, |
| [IW_IOCTL_IDX(SIOCSIWRATE)] = __cfg80211_wext_siwrate, |
| [IW_IOCTL_IDX(SIOCGIWRATE)] = __cfg80211_wext_giwrate, |
| [IW_IOCTL_IDX(SIOCSIWRTS)] = __cfg80211_wext_siwrts, |
| [IW_IOCTL_IDX(SIOCGIWRTS)] = __cfg80211_wext_giwrts, |
| [IW_IOCTL_IDX(SIOCSIWFRAG)] = __cfg80211_wext_siwfrag, |
| [IW_IOCTL_IDX(SIOCGIWFRAG)] = __cfg80211_wext_giwfrag, |
| [IW_IOCTL_IDX(SIOCSIWTXPOW)] = cfg80211_wext_siwtxpower, |
| [IW_IOCTL_IDX(SIOCGIWTXPOW)] = cfg80211_wext_giwtxpower, |
| [IW_IOCTL_IDX(SIOCSIWRETRY)] = __cfg80211_wext_siwretry, |
| [IW_IOCTL_IDX(SIOCGIWRETRY)] = __cfg80211_wext_giwretry, |
| [IW_IOCTL_IDX(SIOCSIWENCODE)] = __cfg80211_wext_siwencode, |
| [IW_IOCTL_IDX(SIOCGIWENCODE)] = __cfg80211_wext_giwencode, |
| [IW_IOCTL_IDX(SIOCSIWPOWER)] = __cfg80211_wext_siwpower, |
| [IW_IOCTL_IDX(SIOCGIWPOWER)] = __cfg80211_wext_giwpower, |
| [IW_IOCTL_IDX(SIOCSIWGENIE)] = __cfg80211_wext_siwgenie, |
| [IW_IOCTL_IDX(SIOCSIWAUTH)] = __cfg80211_wext_siwauth, |
| [IW_IOCTL_IDX(SIOCGIWAUTH)] = __cfg80211_wext_giwauth, |
| [IW_IOCTL_IDX(SIOCSIWENCODEEXT)]= __cfg80211_wext_siwencodeext, |
| [IW_IOCTL_IDX(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, |
| }; |