| /* |
| * 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> |
| */ |
| |
| #include <linux/wireless.h> |
| #include <linux/nl80211.h> |
| #include <linux/if_arp.h> |
| #include <linux/etherdevice.h> |
| #include <net/iw_handler.h> |
| #include <net/cfg80211.h> |
| #include "core.h" |
| |
| int cfg80211_wext_giwname(struct net_device *dev, |
| struct iw_request_info *info, |
| char *name, char *extra) |
| { |
| struct wireless_dev *wdev = dev->ieee80211_ptr; |
| struct ieee80211_supported_band *sband; |
| bool is_ht = false, is_a = false, is_b = false, is_g = false; |
| |
| if (!wdev) |
| return -EOPNOTSUPP; |
| |
| sband = wdev->wiphy->bands[IEEE80211_BAND_5GHZ]; |
| if (sband) { |
| is_a = true; |
| is_ht |= sband->ht_cap.ht_supported; |
| } |
| |
| sband = wdev->wiphy->bands[IEEE80211_BAND_2GHZ]; |
| if (sband) { |
| int i; |
| /* Check for mandatory rates */ |
| for (i = 0; i < sband->n_bitrates; i++) { |
| if (sband->bitrates[i].bitrate == 10) |
| is_b = true; |
| if (sband->bitrates[i].bitrate == 60) |
| is_g = true; |
| } |
| is_ht |= sband->ht_cap.ht_supported; |
| } |
| |
| strcpy(name, "IEEE 802.11"); |
| if (is_a) |
| strcat(name, "a"); |
| if (is_b) |
| strcat(name, "b"); |
| if (is_g) |
| strcat(name, "g"); |
| if (is_ht) |
| strcat(name, "n"); |
| |
| return 0; |
| } |
| EXPORT_SYMBOL_GPL(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; |
| int ret; |
| |
| if (!wdev) |
| return -EOPNOTSUPP; |
| |
| rdev = wiphy_to_dev(wdev->wiphy); |
| |
| if (!rdev->ops->change_virtual_intf) |
| return -EOPNOTSUPP; |
| |
| /* don't support changing VLANs, you just re-create them */ |
| if (wdev->iftype == NL80211_IFTYPE_AP_VLAN) |
| return -EOPNOTSUPP; |
| |
| 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)); |
| |
| ret = rdev->ops->change_virtual_intf(wdev->wiphy, dev, type, |
| NULL, &vifparams); |
| WARN_ON(!ret && wdev->iftype != type); |
| |
| return ret; |
| } |
| EXPORT_SYMBOL_GPL(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_SYMBOL_GPL(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 ieee80211_band band; |
| int 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 = -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 (c = 0; c < wdev->wiphy->n_cipher_suites; c++) { |
| switch (wdev->wiphy->cipher_suites[c]) { |
| 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 < IEEE80211_NUM_BANDS; band ++) { |
| int i; |
| 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_SYMBOL_GPL(cfg80211_wext_giwrange); |
| |
| int cfg80211_wext_siwmlme(struct net_device *dev, |
| struct iw_request_info *info, |
| struct iw_point *data, char *extra) |
| { |
| struct wireless_dev *wdev = dev->ieee80211_ptr; |
| struct iw_mlme *mlme = (struct iw_mlme *)extra; |
| struct cfg80211_registered_device *rdev; |
| union { |
| struct cfg80211_disassoc_request disassoc; |
| struct cfg80211_deauth_request deauth; |
| } cmd; |
| |
| if (!wdev) |
| return -EOPNOTSUPP; |
| |
| rdev = wiphy_to_dev(wdev->wiphy); |
| |
| if (wdev->iftype != NL80211_IFTYPE_STATION) |
| return -EINVAL; |
| |
| if (mlme->addr.sa_family != ARPHRD_ETHER) |
| return -EINVAL; |
| |
| memset(&cmd, 0, sizeof(cmd)); |
| |
| switch (mlme->cmd) { |
| case IW_MLME_DEAUTH: |
| if (!rdev->ops->deauth) |
| return -EOPNOTSUPP; |
| cmd.deauth.peer_addr = mlme->addr.sa_data; |
| cmd.deauth.reason_code = mlme->reason_code; |
| return rdev->ops->deauth(wdev->wiphy, dev, &cmd.deauth); |
| case IW_MLME_DISASSOC: |
| if (!rdev->ops->disassoc) |
| return -EOPNOTSUPP; |
| cmd.disassoc.peer_addr = mlme->addr.sa_data; |
| cmd.disassoc.reason_code = mlme->reason_code; |
| return rdev->ops->disassoc(wdev->wiphy, dev, &cmd.disassoc); |
| default: |
| return -EOPNOTSUPP; |
| } |
| } |
| EXPORT_SYMBOL_GPL(cfg80211_wext_siwmlme); |
| |
| |
| /** |
| * cfg80211_wext_freq - get wext frequency for non-"auto" |
| * @wiphy: the wiphy |
| * @freq: the wext freq encoding |
| * |
| * Returns a channel, %NULL for auto, or an ERR_PTR for errors! |
| */ |
| struct ieee80211_channel *cfg80211_wext_freq(struct wiphy *wiphy, |
| struct iw_freq *freq) |
| { |
| struct ieee80211_channel *chan; |
| int f; |
| |
| /* |
| * Parse frequency - return NULL for auto and |
| * -EINVAL for impossible things. |
| */ |
| if (freq->e == 0) { |
| if (freq->m < 0) |
| return NULL; |
| f = ieee80211_channel_to_frequency(freq->m); |
| } else { |
| int i, div = 1000000; |
| for (i = 0; i < freq->e; i++) |
| div /= 10; |
| if (div <= 0) |
| return ERR_PTR(-EINVAL); |
| f = freq->m / div; |
| } |
| |
| /* |
| * Look up channel struct and return -EINVAL when |
| * it cannot be found. |
| */ |
| chan = ieee80211_get_channel(wiphy, f); |
| if (!chan) |
| return ERR_PTR(-EINVAL); |
| return chan; |
| } |
| EXPORT_SYMBOL_GPL(cfg80211_wext_freq); |
| |
| 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_dev(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->ops->set_wiphy_params(wdev->wiphy, |
| WIPHY_PARAM_RTS_THRESHOLD); |
| if (err) |
| wdev->wiphy->rts_threshold = orts; |
| |
| return err; |
| } |
| EXPORT_SYMBOL_GPL(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_SYMBOL_GPL(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_dev(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->ops->set_wiphy_params(wdev->wiphy, |
| WIPHY_PARAM_FRAG_THRESHOLD); |
| if (err) |
| wdev->wiphy->frag_threshold = ofrag; |
| |
| return err; |
| } |
| EXPORT_SYMBOL_GPL(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_SYMBOL_GPL(cfg80211_wext_giwfrag); |
| |
| 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_dev(wdev->wiphy); |
| u32 changed = 0; |
| u8 olong = wdev->wiphy->retry_long; |
| u8 oshort = wdev->wiphy->retry_short; |
| int err; |
| |
| if (retry->disabled || |
| (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; |
| } |
| |
| if (!changed) |
| return 0; |
| |
| err = rdev->ops->set_wiphy_params(wdev->wiphy, changed); |
| if (err) { |
| wdev->wiphy->retry_short = oshort; |
| wdev->wiphy->retry_long = olong; |
| } |
| |
| return err; |
| } |
| EXPORT_SYMBOL_GPL(cfg80211_wext_siwretry); |
| |
| 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; |
| 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_SYMBOL_GPL(cfg80211_wext_giwretry); |
| |
| static int cfg80211_set_encryption(struct cfg80211_registered_device *rdev, |
| struct net_device *dev, const u8 *addr, |
| bool remove, bool tx_key, int idx, |
| struct key_params *params) |
| { |
| struct wireless_dev *wdev = dev->ieee80211_ptr; |
| int err; |
| |
| if (params->cipher == WLAN_CIPHER_SUITE_AES_CMAC) { |
| 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 = rdev->ops->del_key(&rdev->wiphy, dev, idx, addr); |
| if (!err) { |
| 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; |
| } |
| /* |
| * Applications using wireless extensions expect to be |
| * able to delete keys that don't exist, so allow that. |
| */ |
| if (err == -ENOENT) |
| return 0; |
| |
| return err; |
| } else { |
| if (addr) |
| tx_key = false; |
| |
| if (cfg80211_validate_key_settings(params, idx, addr)) |
| return -EINVAL; |
| |
| err = rdev->ops->add_key(&rdev->wiphy, dev, idx, addr, params); |
| if (err) |
| return err; |
| |
| if (tx_key || (!addr && wdev->wext.default_key == -1)) { |
| err = rdev->ops->set_default_key(&rdev->wiphy, |
| dev, idx); |
| if (!err) |
| wdev->wext.default_key = idx; |
| return err; |
| } |
| |
| if (params->cipher == WLAN_CIPHER_SUITE_AES_CMAC && |
| (tx_key || (!addr && wdev->wext.default_mgmt_key == -1))) { |
| err = rdev->ops->set_default_mgmt_key(&rdev->wiphy, |
| dev, idx); |
| if (!err) |
| wdev->wext.default_mgmt_key = idx; |
| return err; |
| } |
| |
| return 0; |
| } |
| } |
| |
| 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_dev(wdev->wiphy); |
| int idx, err; |
| bool remove = false; |
| struct key_params params; |
| |
| /* 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 = rdev->ops->set_default_key(&rdev->wiphy, dev, idx); |
| if (!err) |
| wdev->wext.default_key = idx; |
| 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, NULL, remove, |
| wdev->wext.default_key == -1, |
| idx, ¶ms); |
| } |
| EXPORT_SYMBOL_GPL(cfg80211_wext_siwencode); |
| |
| 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_dev(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; |
| |
| /* 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, addr, remove, |
| ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY, |
| idx, ¶ms); |
| } |
| EXPORT_SYMBOL_GPL(cfg80211_wext_siwencodeext); |
| |
| struct giwencode_cookie { |
| size_t buflen; |
| char *keybuf; |
| }; |
| |
| static void giwencode_get_key_cb(void *cookie, struct key_params *params) |
| { |
| struct giwencode_cookie *data = cookie; |
| |
| if (!params->key) { |
| data->buflen = 0; |
| return; |
| } |
| |
| data->buflen = min_t(size_t, data->buflen, params->key_len); |
| memcpy(data->keybuf, params->key, data->buflen); |
| } |
| |
| 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; |
| struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); |
| int idx, err; |
| struct giwencode_cookie data = { |
| .keybuf = keybuf, |
| .buflen = erq->length, |
| }; |
| |
| if (!rdev->ops->get_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--; |
| |
| erq->flags = idx + 1; |
| |
| err = rdev->ops->get_key(&rdev->wiphy, dev, idx, NULL, &data, |
| giwencode_get_key_cb); |
| if (!err) { |
| erq->length = data.buflen; |
| erq->flags |= IW_ENCODE_ENABLED; |
| return 0; |
| } |
| |
| if (err == -ENOENT) { |
| erq->flags |= IW_ENCODE_DISABLED; |
| erq->length = 0; |
| return 0; |
| } |
| |
| return err; |
| } |
| EXPORT_SYMBOL_GPL(cfg80211_wext_giwencode); |
| |
| 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_dev(wdev->wiphy); |
| enum 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 = 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 = TX_POWER_AUTOMATIC; |
| } else { |
| dbm = data->txpower.value; |
| type = TX_POWER_LIMITED; |
| } |
| } |
| } else { |
| rfkill_set_sw_state(rdev->rfkill, true); |
| schedule_work(&rdev->rfkill_sync); |
| return 0; |
| } |
| |
| return rdev->ops->set_tx_power(wdev->wiphy, type, dbm);; |
| } |
| EXPORT_SYMBOL_GPL(cfg80211_wext_siwtxpower); |
| |
| 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_dev(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->ops->get_tx_power(wdev->wiphy, &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; |
| } |
| EXPORT_SYMBOL_GPL(cfg80211_wext_giwtxpower); |