Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 1 | /* |
| 2 | * mac80211 configuration hooks for cfg80211 |
| 3 | * |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 4 | * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net> |
Johannes Berg | d98ad83 | 2014-09-03 15:24:57 +0300 | [diff] [blame] | 5 | * Copyright 2013-2014 Intel Mobile Communications GmbH |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 6 | * |
| 7 | * This file is GPLv2 as found in COPYING. |
| 8 | */ |
| 9 | |
Johannes Berg | e8cbb4c | 2007-12-19 02:03:30 +0100 | [diff] [blame] | 10 | #include <linux/ieee80211.h> |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 11 | #include <linux/nl80211.h> |
| 12 | #include <linux/rtnetlink.h> |
Tejun Heo | 5a0e3ad | 2010-03-24 17:04:11 +0900 | [diff] [blame] | 13 | #include <linux/slab.h> |
Eric W. Biederman | 881d966 | 2007-09-17 11:56:21 -0700 | [diff] [blame] | 14 | #include <net/net_namespace.h> |
Johannes Berg | 5dfdaf5 | 2007-12-19 02:03:33 +0100 | [diff] [blame] | 15 | #include <linux/rcupdate.h> |
Arik Nemtsov | dfe018b | 2011-09-28 14:12:52 +0300 | [diff] [blame] | 16 | #include <linux/if_ether.h> |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 17 | #include <net/cfg80211.h> |
| 18 | #include "ieee80211_i.h" |
Johannes Berg | 2448798 | 2009-04-23 18:52:52 +0200 | [diff] [blame] | 19 | #include "driver-ops.h" |
Michael Wu | e0eb685 | 2007-09-18 17:29:21 -0400 | [diff] [blame] | 20 | #include "cfg.h" |
Johannes Berg | 2c8dccc | 2008-04-08 15:14:40 -0400 | [diff] [blame] | 21 | #include "rate.h" |
Luis Carlos Cobo | c5dd9c2 | 2008-02-23 15:17:17 +0100 | [diff] [blame] | 22 | #include "mesh.h" |
Johannes Berg | 02219b3 | 2014-10-07 10:38:50 +0300 | [diff] [blame] | 23 | #include "wme.h" |
Luis Carlos Cobo | c5dd9c2 | 2008-02-23 15:17:17 +0100 | [diff] [blame] | 24 | |
Johannes Berg | 552bff0 | 2012-09-19 09:26:06 +0200 | [diff] [blame] | 25 | static struct wireless_dev *ieee80211_add_iface(struct wiphy *wiphy, |
| 26 | const char *name, |
Tom Gundersen | 6bab2e19 | 2015-03-18 11:13:39 +0100 | [diff] [blame] | 27 | unsigned char name_assign_type, |
Johannes Berg | 84efbb8 | 2012-06-16 00:00:26 +0200 | [diff] [blame] | 28 | enum nl80211_iftype type, |
| 29 | u32 *flags, |
| 30 | struct vif_params *params) |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 31 | { |
| 32 | struct ieee80211_local *local = wiphy_priv(wiphy); |
Johannes Berg | 84efbb8 | 2012-06-16 00:00:26 +0200 | [diff] [blame] | 33 | struct wireless_dev *wdev; |
Michael Wu | 8cc9a73 | 2008-01-31 19:48:23 +0100 | [diff] [blame] | 34 | struct ieee80211_sub_if_data *sdata; |
| 35 | int err; |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 36 | |
Tom Gundersen | 6bab2e19 | 2015-03-18 11:13:39 +0100 | [diff] [blame] | 37 | err = ieee80211_if_add(local, name, name_assign_type, &wdev, type, params); |
Johannes Berg | f9e10ce | 2010-12-03 09:20:42 +0100 | [diff] [blame] | 38 | if (err) |
| 39 | return ERR_PTR(err); |
Michael Wu | 8cc9a73 | 2008-01-31 19:48:23 +0100 | [diff] [blame] | 40 | |
Johannes Berg | f9e10ce | 2010-12-03 09:20:42 +0100 | [diff] [blame] | 41 | if (type == NL80211_IFTYPE_MONITOR && flags) { |
Johannes Berg | 84efbb8 | 2012-06-16 00:00:26 +0200 | [diff] [blame] | 42 | sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); |
Johannes Berg | f9e10ce | 2010-12-03 09:20:42 +0100 | [diff] [blame] | 43 | sdata->u.mntr_flags = *flags; |
| 44 | } |
| 45 | |
Johannes Berg | 84efbb8 | 2012-06-16 00:00:26 +0200 | [diff] [blame] | 46 | return wdev; |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 47 | } |
| 48 | |
Johannes Berg | 84efbb8 | 2012-06-16 00:00:26 +0200 | [diff] [blame] | 49 | static int ieee80211_del_iface(struct wiphy *wiphy, struct wireless_dev *wdev) |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 50 | { |
Johannes Berg | 84efbb8 | 2012-06-16 00:00:26 +0200 | [diff] [blame] | 51 | ieee80211_if_remove(IEEE80211_WDEV_TO_SUB_IF(wdev)); |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 52 | |
Johannes Berg | 7563652 | 2008-07-09 14:40:35 +0200 | [diff] [blame] | 53 | return 0; |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 54 | } |
| 55 | |
Johannes Berg | e36d56b | 2009-06-09 21:04:43 +0200 | [diff] [blame] | 56 | static int ieee80211_change_iface(struct wiphy *wiphy, |
| 57 | struct net_device *dev, |
Luis Carlos Cobo | 2ec600d | 2008-02-23 15:17:06 +0100 | [diff] [blame] | 58 | enum nl80211_iftype type, u32 *flags, |
| 59 | struct vif_params *params) |
Johannes Berg | 42613db | 2007-09-28 21:52:27 +0200 | [diff] [blame] | 60 | { |
Johannes Berg | 9607e6b | 2009-12-23 13:15:31 +0100 | [diff] [blame] | 61 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
Johannes Berg | f3947e2 | 2008-07-09 14:40:36 +0200 | [diff] [blame] | 62 | int ret; |
Johannes Berg | 42613db | 2007-09-28 21:52:27 +0200 | [diff] [blame] | 63 | |
Johannes Berg | 05c914f | 2008-09-11 00:01:58 +0200 | [diff] [blame] | 64 | ret = ieee80211_if_change_type(sdata, type); |
Johannes Berg | f3947e2 | 2008-07-09 14:40:36 +0200 | [diff] [blame] | 65 | if (ret) |
| 66 | return ret; |
Johannes Berg | 42613db | 2007-09-28 21:52:27 +0200 | [diff] [blame] | 67 | |
Johannes Berg | 9bc383d | 2009-11-19 11:55:19 +0100 | [diff] [blame] | 68 | if (type == NL80211_IFTYPE_AP_VLAN && |
| 69 | params && params->use_4addr == 0) |
Stephen Hemminger | a9b3cd7 | 2011-08-01 16:19:00 +0000 | [diff] [blame] | 70 | RCU_INIT_POINTER(sdata->u.vlan.sta, NULL); |
Johannes Berg | 9bc383d | 2009-11-19 11:55:19 +0100 | [diff] [blame] | 71 | else if (type == NL80211_IFTYPE_STATION && |
| 72 | params && params->use_4addr >= 0) |
| 73 | sdata->u.mgd.use_4addr = params->use_4addr; |
| 74 | |
Christian Lamparter | 85416a4 | 2010-10-02 13:17:07 +0200 | [diff] [blame] | 75 | if (sdata->vif.type == NL80211_IFTYPE_MONITOR && flags) { |
| 76 | struct ieee80211_local *local = sdata->local; |
| 77 | |
| 78 | if (ieee80211_sdata_running(sdata)) { |
Felix Fietkau | 31eba5b | 2013-05-28 13:01:53 +0200 | [diff] [blame] | 79 | u32 mask = MONITOR_FLAG_COOK_FRAMES | |
| 80 | MONITOR_FLAG_ACTIVE; |
| 81 | |
Christian Lamparter | 85416a4 | 2010-10-02 13:17:07 +0200 | [diff] [blame] | 82 | /* |
Felix Fietkau | 31eba5b | 2013-05-28 13:01:53 +0200 | [diff] [blame] | 83 | * Prohibit MONITOR_FLAG_COOK_FRAMES and |
| 84 | * MONITOR_FLAG_ACTIVE to be changed while the |
| 85 | * interface is up. |
Christian Lamparter | 85416a4 | 2010-10-02 13:17:07 +0200 | [diff] [blame] | 86 | * Else we would need to add a lot of cruft |
| 87 | * to update everything: |
| 88 | * cooked_mntrs, monitor and all fif_* counters |
| 89 | * reconfigure hardware |
| 90 | */ |
Felix Fietkau | 31eba5b | 2013-05-28 13:01:53 +0200 | [diff] [blame] | 91 | if ((*flags & mask) != (sdata->u.mntr_flags & mask)) |
Christian Lamparter | 85416a4 | 2010-10-02 13:17:07 +0200 | [diff] [blame] | 92 | return -EBUSY; |
| 93 | |
| 94 | ieee80211_adjust_monitor_flags(sdata, -1); |
| 95 | sdata->u.mntr_flags = *flags; |
| 96 | ieee80211_adjust_monitor_flags(sdata, 1); |
| 97 | |
| 98 | ieee80211_configure_filter(local); |
| 99 | } else { |
| 100 | /* |
| 101 | * Because the interface is down, ieee80211_do_stop |
| 102 | * and ieee80211_do_open take care of "everything" |
| 103 | * mentioned in the comment above. |
| 104 | */ |
| 105 | sdata->u.mntr_flags = *flags; |
| 106 | } |
| 107 | } |
Felix Fietkau | f7917af | 2010-04-27 00:26:34 +0200 | [diff] [blame] | 108 | |
Johannes Berg | 42613db | 2007-09-28 21:52:27 +0200 | [diff] [blame] | 109 | return 0; |
| 110 | } |
| 111 | |
Johannes Berg | f142c6b | 2012-06-18 20:07:15 +0200 | [diff] [blame] | 112 | static int ieee80211_start_p2p_device(struct wiphy *wiphy, |
| 113 | struct wireless_dev *wdev) |
| 114 | { |
Luciano Coelho | b6a5501 | 2014-02-27 11:07:21 +0200 | [diff] [blame] | 115 | struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); |
| 116 | int ret; |
| 117 | |
| 118 | mutex_lock(&sdata->local->chanctx_mtx); |
| 119 | ret = ieee80211_check_combinations(sdata, NULL, 0, 0); |
| 120 | mutex_unlock(&sdata->local->chanctx_mtx); |
| 121 | if (ret < 0) |
| 122 | return ret; |
| 123 | |
Johannes Berg | f142c6b | 2012-06-18 20:07:15 +0200 | [diff] [blame] | 124 | return ieee80211_do_open(wdev, true); |
| 125 | } |
| 126 | |
| 127 | static void ieee80211_stop_p2p_device(struct wiphy *wiphy, |
| 128 | struct wireless_dev *wdev) |
| 129 | { |
| 130 | ieee80211_sdata_stop(IEEE80211_WDEV_TO_SUB_IF(wdev)); |
| 131 | } |
| 132 | |
Simon Wunderlich | b53be79 | 2011-11-18 14:20:44 +0100 | [diff] [blame] | 133 | static int ieee80211_set_noack_map(struct wiphy *wiphy, |
| 134 | struct net_device *dev, |
| 135 | u16 noack_map) |
| 136 | { |
| 137 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
| 138 | |
| 139 | sdata->noack_map = noack_map; |
| 140 | return 0; |
| 141 | } |
| 142 | |
Johannes Berg | e8cbb4c | 2007-12-19 02:03:30 +0100 | [diff] [blame] | 143 | static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev, |
Johannes Berg | e31b821 | 2010-10-05 19:39:30 +0200 | [diff] [blame] | 144 | u8 key_idx, bool pairwise, const u8 *mac_addr, |
Johannes Berg | e8cbb4c | 2007-12-19 02:03:30 +0100 | [diff] [blame] | 145 | struct key_params *params) |
| 146 | { |
Johannes Berg | 26a5845 | 2010-08-27 12:35:55 +0200 | [diff] [blame] | 147 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
Max Stepanov | 2475b1cc | 2013-03-24 14:23:27 +0200 | [diff] [blame] | 148 | struct ieee80211_local *local = sdata->local; |
Johannes Berg | e8cbb4c | 2007-12-19 02:03:30 +0100 | [diff] [blame] | 149 | struct sta_info *sta = NULL; |
Max Stepanov | 2475b1cc | 2013-03-24 14:23:27 +0200 | [diff] [blame] | 150 | const struct ieee80211_cipher_scheme *cs = NULL; |
Johannes Berg | db4d116 | 2008-02-25 16:27:45 +0100 | [diff] [blame] | 151 | struct ieee80211_key *key; |
Johannes Berg | 3b96766 | 2008-04-08 17:56:52 +0200 | [diff] [blame] | 152 | int err; |
Johannes Berg | e8cbb4c | 2007-12-19 02:03:30 +0100 | [diff] [blame] | 153 | |
Johannes Berg | 26a5845 | 2010-08-27 12:35:55 +0200 | [diff] [blame] | 154 | if (!ieee80211_sdata_running(sdata)) |
Johannes Berg | ad0e2b5 | 2010-06-01 10:19:19 +0200 | [diff] [blame] | 155 | return -ENETDOWN; |
| 156 | |
Johannes Berg | 97359d1 | 2010-08-10 09:46:38 +0200 | [diff] [blame] | 157 | /* reject WEP and TKIP keys if WEP failed to initialize */ |
Johannes Berg | e8cbb4c | 2007-12-19 02:03:30 +0100 | [diff] [blame] | 158 | switch (params->cipher) { |
| 159 | case WLAN_CIPHER_SUITE_WEP40: |
Johannes Berg | e8cbb4c | 2007-12-19 02:03:30 +0100 | [diff] [blame] | 160 | case WLAN_CIPHER_SUITE_TKIP: |
Johannes Berg | 97359d1 | 2010-08-10 09:46:38 +0200 | [diff] [blame] | 161 | case WLAN_CIPHER_SUITE_WEP104: |
Max Stepanov | 2475b1cc | 2013-03-24 14:23:27 +0200 | [diff] [blame] | 162 | if (IS_ERR(local->wep_tx_tfm)) |
Johannes Berg | 97359d1 | 2010-08-10 09:46:38 +0200 | [diff] [blame] | 163 | return -EINVAL; |
Jouni Malinen | 3cfcf6ac | 2009-01-08 13:32:02 +0200 | [diff] [blame] | 164 | break; |
Max Stepanov | 2475b1cc | 2013-03-24 14:23:27 +0200 | [diff] [blame] | 165 | case WLAN_CIPHER_SUITE_CCMP: |
Jouni Malinen | 2b2ba0d | 2015-01-24 19:52:07 +0200 | [diff] [blame] | 166 | case WLAN_CIPHER_SUITE_CCMP_256: |
Max Stepanov | 2475b1cc | 2013-03-24 14:23:27 +0200 | [diff] [blame] | 167 | case WLAN_CIPHER_SUITE_AES_CMAC: |
Jouni Malinen | 56c52da | 2015-01-24 19:52:08 +0200 | [diff] [blame] | 168 | case WLAN_CIPHER_SUITE_BIP_CMAC_256: |
Jouni Malinen | 8ade538 | 2015-01-24 19:52:09 +0200 | [diff] [blame] | 169 | case WLAN_CIPHER_SUITE_BIP_GMAC_128: |
| 170 | case WLAN_CIPHER_SUITE_BIP_GMAC_256: |
Max Stepanov | 2475b1cc | 2013-03-24 14:23:27 +0200 | [diff] [blame] | 171 | case WLAN_CIPHER_SUITE_GCMP: |
Jouni Malinen | 00b9cfa | 2015-01-24 19:52:06 +0200 | [diff] [blame] | 172 | case WLAN_CIPHER_SUITE_GCMP_256: |
Max Stepanov | 2475b1cc | 2013-03-24 14:23:27 +0200 | [diff] [blame] | 173 | break; |
Johannes Berg | e8cbb4c | 2007-12-19 02:03:30 +0100 | [diff] [blame] | 174 | default: |
Max Stepanov | 2475b1cc | 2013-03-24 14:23:27 +0200 | [diff] [blame] | 175 | cs = ieee80211_cs_get(local, params->cipher, sdata->vif.type); |
Johannes Berg | 97359d1 | 2010-08-10 09:46:38 +0200 | [diff] [blame] | 176 | break; |
Johannes Berg | e8cbb4c | 2007-12-19 02:03:30 +0100 | [diff] [blame] | 177 | } |
| 178 | |
Johannes Berg | 97359d1 | 2010-08-10 09:46:38 +0200 | [diff] [blame] | 179 | key = ieee80211_key_alloc(params->cipher, key_idx, params->key_len, |
Max Stepanov | 2475b1cc | 2013-03-24 14:23:27 +0200 | [diff] [blame] | 180 | params->key, params->seq_len, params->seq, |
| 181 | cs); |
Ben Hutchings | 1ac62ba | 2010-08-01 17:37:03 +0100 | [diff] [blame] | 182 | if (IS_ERR(key)) |
| 183 | return PTR_ERR(key); |
Johannes Berg | db4d116 | 2008-02-25 16:27:45 +0100 | [diff] [blame] | 184 | |
Johannes Berg | e31b821 | 2010-10-05 19:39:30 +0200 | [diff] [blame] | 185 | if (pairwise) |
| 186 | key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE; |
| 187 | |
Max Stepanov | 2475b1cc | 2013-03-24 14:23:27 +0200 | [diff] [blame] | 188 | mutex_lock(&local->sta_mtx); |
Johannes Berg | 3b96766 | 2008-04-08 17:56:52 +0200 | [diff] [blame] | 189 | |
Johannes Berg | e8cbb4c | 2007-12-19 02:03:30 +0100 | [diff] [blame] | 190 | if (mac_addr) { |
Thomas Pedersen | ff973af | 2011-05-03 16:57:12 -0700 | [diff] [blame] | 191 | if (ieee80211_vif_is_mesh(&sdata->vif)) |
| 192 | sta = sta_info_get(sdata, mac_addr); |
| 193 | else |
| 194 | sta = sta_info_get_bss(sdata, mac_addr); |
Johannes Berg | 1626e0f | 2013-01-11 14:34:25 +0100 | [diff] [blame] | 195 | /* |
| 196 | * The ASSOC test makes sure the driver is ready to |
| 197 | * receive the key. When wpa_supplicant has roamed |
| 198 | * using FT, it attempts to set the key before |
| 199 | * association has completed, this rejects that attempt |
Stephen Hemminger | d070f91 | 2014-10-29 22:55:58 -0700 | [diff] [blame] | 200 | * so it will set the key again after association. |
Johannes Berg | 1626e0f | 2013-01-11 14:34:25 +0100 | [diff] [blame] | 201 | * |
| 202 | * TODO: accept the key if we have a station entry and |
| 203 | * add it to the device after the station. |
| 204 | */ |
| 205 | if (!sta || !test_sta_flag(sta, WLAN_STA_ASSOC)) { |
Johannes Berg | 79cf2df | 2013-03-06 22:53:52 +0100 | [diff] [blame] | 206 | ieee80211_key_free_unused(key); |
Johannes Berg | 3b96766 | 2008-04-08 17:56:52 +0200 | [diff] [blame] | 207 | err = -ENOENT; |
| 208 | goto out_unlock; |
Johannes Berg | db4d116 | 2008-02-25 16:27:45 +0100 | [diff] [blame] | 209 | } |
Johannes Berg | e8cbb4c | 2007-12-19 02:03:30 +0100 | [diff] [blame] | 210 | } |
| 211 | |
Johannes Berg | e548c49 | 2012-09-04 17:08:23 +0200 | [diff] [blame] | 212 | switch (sdata->vif.type) { |
| 213 | case NL80211_IFTYPE_STATION: |
| 214 | if (sdata->u.mgd.mfp != IEEE80211_MFP_DISABLED) |
| 215 | key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT; |
| 216 | break; |
| 217 | case NL80211_IFTYPE_AP: |
| 218 | case NL80211_IFTYPE_AP_VLAN: |
| 219 | /* Keys without a station are used for TX only */ |
| 220 | if (key->sta && test_sta_flag(key->sta, WLAN_STA_MFP)) |
| 221 | key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT; |
| 222 | break; |
| 223 | case NL80211_IFTYPE_ADHOC: |
| 224 | /* no MFP (yet) */ |
| 225 | break; |
| 226 | case NL80211_IFTYPE_MESH_POINT: |
| 227 | #ifdef CONFIG_MAC80211_MESH |
| 228 | if (sdata->u.mesh.security != IEEE80211_MESH_SEC_NONE) |
| 229 | key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT; |
| 230 | break; |
| 231 | #endif |
| 232 | case NL80211_IFTYPE_WDS: |
| 233 | case NL80211_IFTYPE_MONITOR: |
| 234 | case NL80211_IFTYPE_P2P_DEVICE: |
| 235 | case NL80211_IFTYPE_UNSPECIFIED: |
| 236 | case NUM_NL80211_IFTYPES: |
| 237 | case NL80211_IFTYPE_P2P_CLIENT: |
| 238 | case NL80211_IFTYPE_P2P_GO: |
Rostislav Lisovy | 6e0bd6c | 2014-11-03 10:33:18 +0100 | [diff] [blame] | 239 | case NL80211_IFTYPE_OCB: |
Johannes Berg | e548c49 | 2012-09-04 17:08:23 +0200 | [diff] [blame] | 240 | /* shouldn't happen */ |
| 241 | WARN_ON_ONCE(1); |
| 242 | break; |
| 243 | } |
| 244 | |
Max Stepanov | 2475b1cc | 2013-03-24 14:23:27 +0200 | [diff] [blame] | 245 | if (sta) |
| 246 | sta->cipher_scheme = cs; |
| 247 | |
Johannes Berg | 3ffc2a9 | 2010-08-27 14:26:52 +0300 | [diff] [blame] | 248 | err = ieee80211_key_link(key, sdata, sta); |
Johannes Berg | db4d116 | 2008-02-25 16:27:45 +0100 | [diff] [blame] | 249 | |
Johannes Berg | 3b96766 | 2008-04-08 17:56:52 +0200 | [diff] [blame] | 250 | out_unlock: |
Max Stepanov | 2475b1cc | 2013-03-24 14:23:27 +0200 | [diff] [blame] | 251 | mutex_unlock(&local->sta_mtx); |
Johannes Berg | 3b96766 | 2008-04-08 17:56:52 +0200 | [diff] [blame] | 252 | |
| 253 | return err; |
Johannes Berg | e8cbb4c | 2007-12-19 02:03:30 +0100 | [diff] [blame] | 254 | } |
| 255 | |
| 256 | static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev, |
Johannes Berg | e31b821 | 2010-10-05 19:39:30 +0200 | [diff] [blame] | 257 | u8 key_idx, bool pairwise, const u8 *mac_addr) |
Johannes Berg | e8cbb4c | 2007-12-19 02:03:30 +0100 | [diff] [blame] | 258 | { |
Johannes Berg | 5c0c364 | 2011-05-12 14:31:49 +0200 | [diff] [blame] | 259 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
| 260 | struct ieee80211_local *local = sdata->local; |
Johannes Berg | e8cbb4c | 2007-12-19 02:03:30 +0100 | [diff] [blame] | 261 | struct sta_info *sta; |
Johannes Berg | 5c0c364 | 2011-05-12 14:31:49 +0200 | [diff] [blame] | 262 | struct ieee80211_key *key = NULL; |
Johannes Berg | e8cbb4c | 2007-12-19 02:03:30 +0100 | [diff] [blame] | 263 | int ret; |
| 264 | |
Johannes Berg | 5c0c364 | 2011-05-12 14:31:49 +0200 | [diff] [blame] | 265 | mutex_lock(&local->sta_mtx); |
| 266 | mutex_lock(&local->key_mtx); |
Johannes Berg | 3b96766 | 2008-04-08 17:56:52 +0200 | [diff] [blame] | 267 | |
Johannes Berg | e8cbb4c | 2007-12-19 02:03:30 +0100 | [diff] [blame] | 268 | if (mac_addr) { |
Johannes Berg | 3b96766 | 2008-04-08 17:56:52 +0200 | [diff] [blame] | 269 | ret = -ENOENT; |
| 270 | |
Felix Fietkau | 0e5ded5 | 2010-01-08 18:10:58 +0100 | [diff] [blame] | 271 | sta = sta_info_get_bss(sdata, mac_addr); |
Johannes Berg | e8cbb4c | 2007-12-19 02:03:30 +0100 | [diff] [blame] | 272 | if (!sta) |
Johannes Berg | 3b96766 | 2008-04-08 17:56:52 +0200 | [diff] [blame] | 273 | goto out_unlock; |
Johannes Berg | e8cbb4c | 2007-12-19 02:03:30 +0100 | [diff] [blame] | 274 | |
Johannes Berg | 5c0c364 | 2011-05-12 14:31:49 +0200 | [diff] [blame] | 275 | if (pairwise) |
Max Stepanov | 2475b1cc | 2013-03-24 14:23:27 +0200 | [diff] [blame] | 276 | key = key_mtx_dereference(local, sta->ptk[key_idx]); |
Johannes Berg | 5c0c364 | 2011-05-12 14:31:49 +0200 | [diff] [blame] | 277 | else |
Johannes Berg | 40b275b | 2011-05-13 14:15:49 +0200 | [diff] [blame] | 278 | key = key_mtx_dereference(local, sta->gtk[key_idx]); |
Johannes Berg | 5c0c364 | 2011-05-12 14:31:49 +0200 | [diff] [blame] | 279 | } else |
Johannes Berg | 40b275b | 2011-05-13 14:15:49 +0200 | [diff] [blame] | 280 | key = key_mtx_dereference(local, sdata->keys[key_idx]); |
Johannes Berg | e8cbb4c | 2007-12-19 02:03:30 +0100 | [diff] [blame] | 281 | |
Johannes Berg | 5c0c364 | 2011-05-12 14:31:49 +0200 | [diff] [blame] | 282 | if (!key) { |
Johannes Berg | 3b96766 | 2008-04-08 17:56:52 +0200 | [diff] [blame] | 283 | ret = -ENOENT; |
| 284 | goto out_unlock; |
| 285 | } |
Johannes Berg | e8cbb4c | 2007-12-19 02:03:30 +0100 | [diff] [blame] | 286 | |
Johannes Berg | 3b8d9c2 | 2013-03-06 22:58:23 +0100 | [diff] [blame] | 287 | ieee80211_key_free(key, true); |
Johannes Berg | e8cbb4c | 2007-12-19 02:03:30 +0100 | [diff] [blame] | 288 | |
Johannes Berg | 3b96766 | 2008-04-08 17:56:52 +0200 | [diff] [blame] | 289 | ret = 0; |
| 290 | out_unlock: |
Johannes Berg | 5c0c364 | 2011-05-12 14:31:49 +0200 | [diff] [blame] | 291 | mutex_unlock(&local->key_mtx); |
| 292 | mutex_unlock(&local->sta_mtx); |
Johannes Berg | 3b96766 | 2008-04-08 17:56:52 +0200 | [diff] [blame] | 293 | |
| 294 | return ret; |
Johannes Berg | e8cbb4c | 2007-12-19 02:03:30 +0100 | [diff] [blame] | 295 | } |
| 296 | |
Johannes Berg | 62da92f | 2007-12-19 02:03:31 +0100 | [diff] [blame] | 297 | static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev, |
Johannes Berg | e31b821 | 2010-10-05 19:39:30 +0200 | [diff] [blame] | 298 | u8 key_idx, bool pairwise, const u8 *mac_addr, |
| 299 | void *cookie, |
Johannes Berg | 62da92f | 2007-12-19 02:03:31 +0100 | [diff] [blame] | 300 | void (*callback)(void *cookie, |
| 301 | struct key_params *params)) |
| 302 | { |
Johannes Berg | 14db74b | 2008-07-29 13:22:52 +0200 | [diff] [blame] | 303 | struct ieee80211_sub_if_data *sdata; |
Johannes Berg | 62da92f | 2007-12-19 02:03:31 +0100 | [diff] [blame] | 304 | struct sta_info *sta = NULL; |
| 305 | u8 seq[6] = {0}; |
| 306 | struct key_params params; |
Johannes Berg | e31b821 | 2010-10-05 19:39:30 +0200 | [diff] [blame] | 307 | struct ieee80211_key *key = NULL; |
Johannes Berg | aba83a0b | 2011-07-06 21:59:39 +0200 | [diff] [blame] | 308 | u64 pn64; |
Johannes Berg | 62da92f | 2007-12-19 02:03:31 +0100 | [diff] [blame] | 309 | u32 iv32; |
| 310 | u16 iv16; |
| 311 | int err = -ENOENT; |
| 312 | |
Johannes Berg | 14db74b | 2008-07-29 13:22:52 +0200 | [diff] [blame] | 313 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
| 314 | |
Johannes Berg | 3b96766 | 2008-04-08 17:56:52 +0200 | [diff] [blame] | 315 | rcu_read_lock(); |
| 316 | |
Johannes Berg | 62da92f | 2007-12-19 02:03:31 +0100 | [diff] [blame] | 317 | if (mac_addr) { |
Felix Fietkau | 0e5ded5 | 2010-01-08 18:10:58 +0100 | [diff] [blame] | 318 | sta = sta_info_get_bss(sdata, mac_addr); |
Johannes Berg | 62da92f | 2007-12-19 02:03:31 +0100 | [diff] [blame] | 319 | if (!sta) |
| 320 | goto out; |
| 321 | |
Max Stepanov | 354e159 | 2013-12-08 13:30:52 +0200 | [diff] [blame] | 322 | if (pairwise && key_idx < NUM_DEFAULT_KEYS) |
Max Stepanov | 2475b1cc | 2013-03-24 14:23:27 +0200 | [diff] [blame] | 323 | key = rcu_dereference(sta->ptk[key_idx]); |
Max Stepanov | 31f1f4e | 2013-12-08 13:31:29 +0200 | [diff] [blame] | 324 | else if (!pairwise && |
| 325 | key_idx < NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS) |
Johannes Berg | a3836e0 | 2011-05-12 15:11:37 +0200 | [diff] [blame] | 326 | key = rcu_dereference(sta->gtk[key_idx]); |
Johannes Berg | 62da92f | 2007-12-19 02:03:31 +0100 | [diff] [blame] | 327 | } else |
Johannes Berg | a3836e0 | 2011-05-12 15:11:37 +0200 | [diff] [blame] | 328 | key = rcu_dereference(sdata->keys[key_idx]); |
Johannes Berg | 62da92f | 2007-12-19 02:03:31 +0100 | [diff] [blame] | 329 | |
| 330 | if (!key) |
| 331 | goto out; |
| 332 | |
| 333 | memset(¶ms, 0, sizeof(params)); |
| 334 | |
Johannes Berg | 97359d1 | 2010-08-10 09:46:38 +0200 | [diff] [blame] | 335 | params.cipher = key->conf.cipher; |
Johannes Berg | 62da92f | 2007-12-19 02:03:31 +0100 | [diff] [blame] | 336 | |
Johannes Berg | 97359d1 | 2010-08-10 09:46:38 +0200 | [diff] [blame] | 337 | switch (key->conf.cipher) { |
| 338 | case WLAN_CIPHER_SUITE_TKIP: |
Harvey Harrison | b0f76b3 | 2008-05-14 16:26:19 -0700 | [diff] [blame] | 339 | iv32 = key->u.tkip.tx.iv32; |
| 340 | iv16 = key->u.tkip.tx.iv16; |
Johannes Berg | 62da92f | 2007-12-19 02:03:31 +0100 | [diff] [blame] | 341 | |
Johannes Berg | 2448798 | 2009-04-23 18:52:52 +0200 | [diff] [blame] | 342 | if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE) |
| 343 | drv_get_tkip_seq(sdata->local, |
| 344 | key->conf.hw_key_idx, |
| 345 | &iv32, &iv16); |
Johannes Berg | 62da92f | 2007-12-19 02:03:31 +0100 | [diff] [blame] | 346 | |
| 347 | seq[0] = iv16 & 0xff; |
| 348 | seq[1] = (iv16 >> 8) & 0xff; |
| 349 | seq[2] = iv32 & 0xff; |
| 350 | seq[3] = (iv32 >> 8) & 0xff; |
| 351 | seq[4] = (iv32 >> 16) & 0xff; |
| 352 | seq[5] = (iv32 >> 24) & 0xff; |
| 353 | params.seq = seq; |
| 354 | params.seq_len = 6; |
| 355 | break; |
Johannes Berg | 97359d1 | 2010-08-10 09:46:38 +0200 | [diff] [blame] | 356 | case WLAN_CIPHER_SUITE_CCMP: |
Jouni Malinen | 2b2ba0d | 2015-01-24 19:52:07 +0200 | [diff] [blame] | 357 | case WLAN_CIPHER_SUITE_CCMP_256: |
Johannes Berg | aba83a0b | 2011-07-06 21:59:39 +0200 | [diff] [blame] | 358 | pn64 = atomic64_read(&key->u.ccmp.tx_pn); |
| 359 | seq[0] = pn64; |
| 360 | seq[1] = pn64 >> 8; |
| 361 | seq[2] = pn64 >> 16; |
| 362 | seq[3] = pn64 >> 24; |
| 363 | seq[4] = pn64 >> 32; |
| 364 | seq[5] = pn64 >> 40; |
Johannes Berg | 62da92f | 2007-12-19 02:03:31 +0100 | [diff] [blame] | 365 | params.seq = seq; |
| 366 | params.seq_len = 6; |
| 367 | break; |
Johannes Berg | 97359d1 | 2010-08-10 09:46:38 +0200 | [diff] [blame] | 368 | case WLAN_CIPHER_SUITE_AES_CMAC: |
Jouni Malinen | 56c52da | 2015-01-24 19:52:08 +0200 | [diff] [blame] | 369 | case WLAN_CIPHER_SUITE_BIP_CMAC_256: |
Johannes Berg | 75396ae | 2011-07-06 22:00:35 +0200 | [diff] [blame] | 370 | pn64 = atomic64_read(&key->u.aes_cmac.tx_pn); |
| 371 | seq[0] = pn64; |
| 372 | seq[1] = pn64 >> 8; |
| 373 | seq[2] = pn64 >> 16; |
| 374 | seq[3] = pn64 >> 24; |
| 375 | seq[4] = pn64 >> 32; |
| 376 | seq[5] = pn64 >> 40; |
Jouni Malinen | 3cfcf6ac | 2009-01-08 13:32:02 +0200 | [diff] [blame] | 377 | params.seq = seq; |
| 378 | params.seq_len = 6; |
| 379 | break; |
Jouni Malinen | 8ade538 | 2015-01-24 19:52:09 +0200 | [diff] [blame] | 380 | case WLAN_CIPHER_SUITE_BIP_GMAC_128: |
| 381 | case WLAN_CIPHER_SUITE_BIP_GMAC_256: |
| 382 | pn64 = atomic64_read(&key->u.aes_gmac.tx_pn); |
| 383 | seq[0] = pn64; |
| 384 | seq[1] = pn64 >> 8; |
| 385 | seq[2] = pn64 >> 16; |
| 386 | seq[3] = pn64 >> 24; |
| 387 | seq[4] = pn64 >> 32; |
| 388 | seq[5] = pn64 >> 40; |
| 389 | params.seq = seq; |
| 390 | params.seq_len = 6; |
| 391 | break; |
Jouni Malinen | 00b9cfa | 2015-01-24 19:52:06 +0200 | [diff] [blame] | 392 | case WLAN_CIPHER_SUITE_GCMP: |
| 393 | case WLAN_CIPHER_SUITE_GCMP_256: |
| 394 | pn64 = atomic64_read(&key->u.gcmp.tx_pn); |
| 395 | seq[0] = pn64; |
| 396 | seq[1] = pn64 >> 8; |
| 397 | seq[2] = pn64 >> 16; |
| 398 | seq[3] = pn64 >> 24; |
| 399 | seq[4] = pn64 >> 32; |
| 400 | seq[5] = pn64 >> 40; |
| 401 | params.seq = seq; |
| 402 | params.seq_len = 6; |
| 403 | break; |
Johannes Berg | 62da92f | 2007-12-19 02:03:31 +0100 | [diff] [blame] | 404 | } |
| 405 | |
| 406 | params.key = key->conf.key; |
| 407 | params.key_len = key->conf.keylen; |
| 408 | |
| 409 | callback(cookie, ¶ms); |
| 410 | err = 0; |
| 411 | |
| 412 | out: |
Johannes Berg | 3b96766 | 2008-04-08 17:56:52 +0200 | [diff] [blame] | 413 | rcu_read_unlock(); |
Johannes Berg | 62da92f | 2007-12-19 02:03:31 +0100 | [diff] [blame] | 414 | return err; |
| 415 | } |
| 416 | |
Johannes Berg | e8cbb4c | 2007-12-19 02:03:30 +0100 | [diff] [blame] | 417 | static int ieee80211_config_default_key(struct wiphy *wiphy, |
| 418 | struct net_device *dev, |
Johannes Berg | dbd2fd6 | 2010-12-09 19:58:59 +0100 | [diff] [blame] | 419 | u8 key_idx, bool uni, |
| 420 | bool multi) |
Johannes Berg | e8cbb4c | 2007-12-19 02:03:30 +0100 | [diff] [blame] | 421 | { |
Johannes Berg | ad0e2b5 | 2010-06-01 10:19:19 +0200 | [diff] [blame] | 422 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
Johannes Berg | e8cbb4c | 2007-12-19 02:03:30 +0100 | [diff] [blame] | 423 | |
Johannes Berg | f7e0104 | 2010-12-09 19:49:02 +0100 | [diff] [blame] | 424 | ieee80211_set_default_key(sdata, key_idx, uni, multi); |
Johannes Berg | e8cbb4c | 2007-12-19 02:03:30 +0100 | [diff] [blame] | 425 | |
| 426 | return 0; |
| 427 | } |
| 428 | |
Jouni Malinen | 3cfcf6ac | 2009-01-08 13:32:02 +0200 | [diff] [blame] | 429 | static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy, |
| 430 | struct net_device *dev, |
| 431 | u8 key_idx) |
| 432 | { |
Johannes Berg | 66c5242 | 2010-07-22 13:58:51 +0200 | [diff] [blame] | 433 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
Jouni Malinen | 3cfcf6ac | 2009-01-08 13:32:02 +0200 | [diff] [blame] | 434 | |
Jouni Malinen | 3cfcf6ac | 2009-01-08 13:32:02 +0200 | [diff] [blame] | 435 | ieee80211_set_default_mgmt_key(sdata, key_idx); |
| 436 | |
Jouni Malinen | 3cfcf6ac | 2009-01-08 13:32:02 +0200 | [diff] [blame] | 437 | return 0; |
| 438 | } |
| 439 | |
Thomas Pedersen | 6b62bf3 | 2012-03-05 15:31:48 -0800 | [diff] [blame] | 440 | void sta_set_rate_info_tx(struct sta_info *sta, |
| 441 | const struct ieee80211_tx_rate *rate, |
| 442 | struct rate_info *rinfo) |
| 443 | { |
| 444 | rinfo->flags = 0; |
Johannes Berg | 8bc83c2 | 2012-11-09 18:38:32 +0100 | [diff] [blame] | 445 | if (rate->flags & IEEE80211_TX_RC_MCS) { |
Thomas Pedersen | 6b62bf3 | 2012-03-05 15:31:48 -0800 | [diff] [blame] | 446 | rinfo->flags |= RATE_INFO_FLAGS_MCS; |
Johannes Berg | 8bc83c2 | 2012-11-09 18:38:32 +0100 | [diff] [blame] | 447 | rinfo->mcs = rate->idx; |
| 448 | } else if (rate->flags & IEEE80211_TX_RC_VHT_MCS) { |
| 449 | rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS; |
| 450 | rinfo->mcs = ieee80211_rate_get_vht_mcs(rate); |
| 451 | rinfo->nss = ieee80211_rate_get_vht_nss(rate); |
| 452 | } else { |
| 453 | struct ieee80211_supported_band *sband; |
Simon Wunderlich | 2103dec | 2013-07-08 16:55:53 +0200 | [diff] [blame] | 454 | int shift = ieee80211_vif_get_shift(&sta->sdata->vif); |
| 455 | u16 brate; |
| 456 | |
Johannes Berg | 8bc83c2 | 2012-11-09 18:38:32 +0100 | [diff] [blame] | 457 | sband = sta->local->hw.wiphy->bands[ |
| 458 | ieee80211_get_sdata_band(sta->sdata)]; |
Simon Wunderlich | 2103dec | 2013-07-08 16:55:53 +0200 | [diff] [blame] | 459 | brate = sband->bitrates[rate->idx].bitrate; |
| 460 | rinfo->legacy = DIV_ROUND_UP(brate, 1 << shift); |
Johannes Berg | 8bc83c2 | 2012-11-09 18:38:32 +0100 | [diff] [blame] | 461 | } |
Thomas Pedersen | 6b62bf3 | 2012-03-05 15:31:48 -0800 | [diff] [blame] | 462 | if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH) |
Johannes Berg | b51f3be | 2015-01-15 16:14:02 +0100 | [diff] [blame] | 463 | rinfo->bw = RATE_INFO_BW_40; |
| 464 | else if (rate->flags & IEEE80211_TX_RC_80_MHZ_WIDTH) |
| 465 | rinfo->bw = RATE_INFO_BW_80; |
| 466 | else if (rate->flags & IEEE80211_TX_RC_160_MHZ_WIDTH) |
| 467 | rinfo->bw = RATE_INFO_BW_160; |
| 468 | else |
| 469 | rinfo->bw = RATE_INFO_BW_20; |
Thomas Pedersen | 6b62bf3 | 2012-03-05 15:31:48 -0800 | [diff] [blame] | 470 | if (rate->flags & IEEE80211_TX_RC_SHORT_GI) |
| 471 | rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI; |
Thomas Pedersen | 6b62bf3 | 2012-03-05 15:31:48 -0800 | [diff] [blame] | 472 | } |
| 473 | |
Saravana | 003e676 | 2012-11-28 18:29:38 +0530 | [diff] [blame] | 474 | void sta_set_rate_info_rx(struct sta_info *sta, struct rate_info *rinfo) |
| 475 | { |
| 476 | rinfo->flags = 0; |
| 477 | |
| 478 | if (sta->last_rx_rate_flag & RX_FLAG_HT) { |
| 479 | rinfo->flags |= RATE_INFO_FLAGS_MCS; |
| 480 | rinfo->mcs = sta->last_rx_rate_idx; |
| 481 | } else if (sta->last_rx_rate_flag & RX_FLAG_VHT) { |
| 482 | rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS; |
| 483 | rinfo->nss = sta->last_rx_rate_vht_nss; |
| 484 | rinfo->mcs = sta->last_rx_rate_idx; |
| 485 | } else { |
| 486 | struct ieee80211_supported_band *sband; |
Simon Wunderlich | 2103dec | 2013-07-08 16:55:53 +0200 | [diff] [blame] | 487 | int shift = ieee80211_vif_get_shift(&sta->sdata->vif); |
| 488 | u16 brate; |
Saravana | 003e676 | 2012-11-28 18:29:38 +0530 | [diff] [blame] | 489 | |
| 490 | sband = sta->local->hw.wiphy->bands[ |
| 491 | ieee80211_get_sdata_band(sta->sdata)]; |
Simon Wunderlich | 2103dec | 2013-07-08 16:55:53 +0200 | [diff] [blame] | 492 | brate = sband->bitrates[sta->last_rx_rate_idx].bitrate; |
| 493 | rinfo->legacy = DIV_ROUND_UP(brate, 1 << shift); |
Saravana | 003e676 | 2012-11-28 18:29:38 +0530 | [diff] [blame] | 494 | } |
| 495 | |
Saravana | 003e676 | 2012-11-28 18:29:38 +0530 | [diff] [blame] | 496 | if (sta->last_rx_rate_flag & RX_FLAG_SHORT_GI) |
| 497 | rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI; |
Johannes Berg | b51f3be | 2015-01-15 16:14:02 +0100 | [diff] [blame] | 498 | |
| 499 | if (sta->last_rx_rate_flag & RX_FLAG_5MHZ) |
| 500 | rinfo->bw = RATE_INFO_BW_5; |
| 501 | else if (sta->last_rx_rate_flag & RX_FLAG_10MHZ) |
| 502 | rinfo->bw = RATE_INFO_BW_10; |
| 503 | else if (sta->last_rx_rate_flag & RX_FLAG_40MHZ) |
| 504 | rinfo->bw = RATE_INFO_BW_40; |
| 505 | else if (sta->last_rx_rate_vht_flag & RX_VHT_FLAG_80MHZ) |
| 506 | rinfo->bw = RATE_INFO_BW_80; |
| 507 | else if (sta->last_rx_rate_vht_flag & RX_VHT_FLAG_160MHZ) |
| 508 | rinfo->bw = RATE_INFO_BW_160; |
| 509 | else |
| 510 | rinfo->bw = RATE_INFO_BW_20; |
Saravana | 003e676 | 2012-11-28 18:29:38 +0530 | [diff] [blame] | 511 | } |
| 512 | |
Luis Carlos Cobo | c5dd9c2 | 2008-02-23 15:17:17 +0100 | [diff] [blame] | 513 | static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev, |
Johannes Berg | 3b3a016 | 2014-05-19 17:19:31 +0200 | [diff] [blame] | 514 | int idx, u8 *mac, struct station_info *sinfo) |
Luis Carlos Cobo | c5dd9c2 | 2008-02-23 15:17:17 +0100 | [diff] [blame] | 515 | { |
Johannes Berg | 3b53fde8 | 2009-11-16 12:00:37 +0100 | [diff] [blame] | 516 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
Victor Goldenshtein | 66572cf | 2012-06-21 10:56:46 +0300 | [diff] [blame] | 517 | struct ieee80211_local *local = sdata->local; |
Luis Carlos Cobo | c5dd9c2 | 2008-02-23 15:17:17 +0100 | [diff] [blame] | 518 | struct sta_info *sta; |
Johannes Berg | d0709a6 | 2008-02-25 16:27:46 +0100 | [diff] [blame] | 519 | int ret = -ENOENT; |
| 520 | |
Victor Goldenshtein | 66572cf | 2012-06-21 10:56:46 +0300 | [diff] [blame] | 521 | mutex_lock(&local->sta_mtx); |
Luis Carlos Cobo | c5dd9c2 | 2008-02-23 15:17:17 +0100 | [diff] [blame] | 522 | |
Johannes Berg | 3b53fde8 | 2009-11-16 12:00:37 +0100 | [diff] [blame] | 523 | sta = sta_info_get_by_idx(sdata, idx); |
Johannes Berg | d0709a6 | 2008-02-25 16:27:46 +0100 | [diff] [blame] | 524 | if (sta) { |
| 525 | ret = 0; |
Johannes Berg | 17741cd | 2008-09-11 00:02:02 +0200 | [diff] [blame] | 526 | memcpy(mac, sta->sta.addr, ETH_ALEN); |
Johannes Berg | d0709a6 | 2008-02-25 16:27:46 +0100 | [diff] [blame] | 527 | sta_set_sinfo(sta, sinfo); |
| 528 | } |
Luis Carlos Cobo | c5dd9c2 | 2008-02-23 15:17:17 +0100 | [diff] [blame] | 529 | |
Victor Goldenshtein | 66572cf | 2012-06-21 10:56:46 +0300 | [diff] [blame] | 530 | mutex_unlock(&local->sta_mtx); |
Luis Carlos Cobo | c5dd9c2 | 2008-02-23 15:17:17 +0100 | [diff] [blame] | 531 | |
Johannes Berg | d0709a6 | 2008-02-25 16:27:46 +0100 | [diff] [blame] | 532 | return ret; |
Luis Carlos Cobo | c5dd9c2 | 2008-02-23 15:17:17 +0100 | [diff] [blame] | 533 | } |
| 534 | |
Holger Schurig | 1289723 | 2010-04-19 10:23:57 +0200 | [diff] [blame] | 535 | static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev, |
| 536 | int idx, struct survey_info *survey) |
| 537 | { |
| 538 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); |
| 539 | |
Holger Schurig | 1289723 | 2010-04-19 10:23:57 +0200 | [diff] [blame] | 540 | return drv_get_survey(local, idx, survey); |
| 541 | } |
| 542 | |
Johannes Berg | 7bbdd2d | 2007-12-19 02:03:37 +0100 | [diff] [blame] | 543 | static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev, |
Johannes Berg | 3b3a016 | 2014-05-19 17:19:31 +0200 | [diff] [blame] | 544 | const u8 *mac, struct station_info *sinfo) |
Johannes Berg | 7bbdd2d | 2007-12-19 02:03:37 +0100 | [diff] [blame] | 545 | { |
Johannes Berg | abe6063 | 2009-11-25 17:46:18 +0100 | [diff] [blame] | 546 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
Victor Goldenshtein | 66572cf | 2012-06-21 10:56:46 +0300 | [diff] [blame] | 547 | struct ieee80211_local *local = sdata->local; |
Johannes Berg | 7bbdd2d | 2007-12-19 02:03:37 +0100 | [diff] [blame] | 548 | struct sta_info *sta; |
Johannes Berg | d0709a6 | 2008-02-25 16:27:46 +0100 | [diff] [blame] | 549 | int ret = -ENOENT; |
Johannes Berg | 7bbdd2d | 2007-12-19 02:03:37 +0100 | [diff] [blame] | 550 | |
Victor Goldenshtein | 66572cf | 2012-06-21 10:56:46 +0300 | [diff] [blame] | 551 | mutex_lock(&local->sta_mtx); |
Johannes Berg | 7bbdd2d | 2007-12-19 02:03:37 +0100 | [diff] [blame] | 552 | |
Felix Fietkau | 0e5ded5 | 2010-01-08 18:10:58 +0100 | [diff] [blame] | 553 | sta = sta_info_get_bss(sdata, mac); |
Johannes Berg | d0709a6 | 2008-02-25 16:27:46 +0100 | [diff] [blame] | 554 | if (sta) { |
| 555 | ret = 0; |
| 556 | sta_set_sinfo(sta, sinfo); |
| 557 | } |
| 558 | |
Victor Goldenshtein | 66572cf | 2012-06-21 10:56:46 +0300 | [diff] [blame] | 559 | mutex_unlock(&local->sta_mtx); |
Johannes Berg | d0709a6 | 2008-02-25 16:27:46 +0100 | [diff] [blame] | 560 | |
| 561 | return ret; |
Johannes Berg | 7bbdd2d | 2007-12-19 02:03:37 +0100 | [diff] [blame] | 562 | } |
| 563 | |
Johannes Berg | e8c9bd5 | 2012-06-06 08:18:22 +0200 | [diff] [blame] | 564 | static int ieee80211_set_monitor_channel(struct wiphy *wiphy, |
Johannes Berg | 683b6d3 | 2012-11-08 21:25:48 +0100 | [diff] [blame] | 565 | struct cfg80211_chan_def *chandef) |
Johannes Berg | e8c9bd5 | 2012-06-06 08:18:22 +0200 | [diff] [blame] | 566 | { |
Johannes Berg | 55de908 | 2012-07-26 17:24:39 +0200 | [diff] [blame] | 567 | struct ieee80211_local *local = wiphy_priv(wiphy); |
| 568 | struct ieee80211_sub_if_data *sdata; |
| 569 | int ret = 0; |
| 570 | |
Johannes Berg | 4bf8853 | 2012-11-09 11:39:59 +0100 | [diff] [blame] | 571 | if (cfg80211_chandef_identical(&local->monitor_chandef, chandef)) |
Johannes Berg | 55de908 | 2012-07-26 17:24:39 +0200 | [diff] [blame] | 572 | return 0; |
| 573 | |
Johannes Berg | 34a3740 | 2013-12-18 09:43:33 +0100 | [diff] [blame] | 574 | mutex_lock(&local->mtx); |
Johannes Berg | 55de908 | 2012-07-26 17:24:39 +0200 | [diff] [blame] | 575 | mutex_lock(&local->iflist_mtx); |
| 576 | if (local->use_chanctx) { |
| 577 | sdata = rcu_dereference_protected( |
| 578 | local->monitor_sdata, |
| 579 | lockdep_is_held(&local->iflist_mtx)); |
| 580 | if (sdata) { |
| 581 | ieee80211_vif_release_channel(sdata); |
Johannes Berg | 4bf8853 | 2012-11-09 11:39:59 +0100 | [diff] [blame] | 582 | ret = ieee80211_vif_use_channel(sdata, chandef, |
Johannes Berg | 55de908 | 2012-07-26 17:24:39 +0200 | [diff] [blame] | 583 | IEEE80211_CHANCTX_EXCLUSIVE); |
| 584 | } |
| 585 | } else if (local->open_count == local->monitors) { |
Karl Beldan | 675a0b0 | 2013-03-25 16:26:57 +0100 | [diff] [blame] | 586 | local->_oper_chandef = *chandef; |
Johannes Berg | 55de908 | 2012-07-26 17:24:39 +0200 | [diff] [blame] | 587 | ieee80211_hw_config(local, 0); |
| 588 | } |
| 589 | |
Johannes Berg | 4bf8853 | 2012-11-09 11:39:59 +0100 | [diff] [blame] | 590 | if (ret == 0) |
| 591 | local->monitor_chandef = *chandef; |
Johannes Berg | 55de908 | 2012-07-26 17:24:39 +0200 | [diff] [blame] | 592 | mutex_unlock(&local->iflist_mtx); |
Johannes Berg | 34a3740 | 2013-12-18 09:43:33 +0100 | [diff] [blame] | 593 | mutex_unlock(&local->mtx); |
Johannes Berg | 55de908 | 2012-07-26 17:24:39 +0200 | [diff] [blame] | 594 | |
| 595 | return ret; |
Johannes Berg | e8c9bd5 | 2012-06-06 08:18:22 +0200 | [diff] [blame] | 596 | } |
| 597 | |
Arik Nemtsov | 0294582 | 2011-11-10 11:28:57 +0200 | [diff] [blame] | 598 | static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata, |
Michal Kazior | af296bd | 2014-06-05 14:21:36 +0200 | [diff] [blame] | 599 | const u8 *resp, size_t resp_len, |
| 600 | const struct ieee80211_csa_settings *csa) |
Arik Nemtsov | 0294582 | 2011-11-10 11:28:57 +0200 | [diff] [blame] | 601 | { |
Eyal Shapira | aa7a008 | 2012-08-06 14:26:16 +0300 | [diff] [blame] | 602 | struct probe_resp *new, *old; |
Arik Nemtsov | 0294582 | 2011-11-10 11:28:57 +0200 | [diff] [blame] | 603 | |
| 604 | if (!resp || !resp_len) |
Sujith Manoharan | aba4e6f | 2012-08-22 14:21:07 +0530 | [diff] [blame] | 605 | return 1; |
Arik Nemtsov | 0294582 | 2011-11-10 11:28:57 +0200 | [diff] [blame] | 606 | |
Simon Wunderlich | 7ca133b | 2013-11-21 18:19:50 +0100 | [diff] [blame] | 607 | old = sdata_dereference(sdata->u.ap.probe_resp, sdata); |
Arik Nemtsov | 0294582 | 2011-11-10 11:28:57 +0200 | [diff] [blame] | 608 | |
Eyal Shapira | aa7a008 | 2012-08-06 14:26:16 +0300 | [diff] [blame] | 609 | new = kzalloc(sizeof(struct probe_resp) + resp_len, GFP_KERNEL); |
Arik Nemtsov | 0294582 | 2011-11-10 11:28:57 +0200 | [diff] [blame] | 610 | if (!new) |
| 611 | return -ENOMEM; |
| 612 | |
Eyal Shapira | aa7a008 | 2012-08-06 14:26:16 +0300 | [diff] [blame] | 613 | new->len = resp_len; |
| 614 | memcpy(new->data, resp, resp_len); |
Arik Nemtsov | 0294582 | 2011-11-10 11:28:57 +0200 | [diff] [blame] | 615 | |
Michal Kazior | af296bd | 2014-06-05 14:21:36 +0200 | [diff] [blame] | 616 | if (csa) |
| 617 | memcpy(new->csa_counter_offsets, csa->counter_offsets_presp, |
| 618 | csa->n_counter_offsets_presp * |
| 619 | sizeof(new->csa_counter_offsets[0])); |
| 620 | |
Arik Nemtsov | 0294582 | 2011-11-10 11:28:57 +0200 | [diff] [blame] | 621 | rcu_assign_pointer(sdata->u.ap.probe_resp, new); |
Eyal Shapira | aa7a008 | 2012-08-06 14:26:16 +0300 | [diff] [blame] | 622 | if (old) |
| 623 | kfree_rcu(old, rcu_head); |
Arik Nemtsov | 0294582 | 2011-11-10 11:28:57 +0200 | [diff] [blame] | 624 | |
| 625 | return 0; |
| 626 | } |
| 627 | |
Luciano Coelho | 0ae0796 | 2013-12-08 09:42:25 +0200 | [diff] [blame] | 628 | static int ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata, |
Michal Kazior | af296bd | 2014-06-05 14:21:36 +0200 | [diff] [blame] | 629 | struct cfg80211_beacon_data *params, |
| 630 | const struct ieee80211_csa_settings *csa) |
Johannes Berg | 5dfdaf5 | 2007-12-19 02:03:33 +0100 | [diff] [blame] | 631 | { |
| 632 | struct beacon_data *new, *old; |
| 633 | int new_head_len, new_tail_len; |
Johannes Berg | 8860020 | 2012-02-13 15:17:18 +0100 | [diff] [blame] | 634 | int size, err; |
| 635 | u32 changed = BSS_CHANGED_BEACON; |
Johannes Berg | 5dfdaf5 | 2007-12-19 02:03:33 +0100 | [diff] [blame] | 636 | |
Simon Wunderlich | 7ca133b | 2013-11-21 18:19:50 +0100 | [diff] [blame] | 637 | old = sdata_dereference(sdata->u.ap.beacon, sdata); |
| 638 | |
Johannes Berg | 5dfdaf5 | 2007-12-19 02:03:33 +0100 | [diff] [blame] | 639 | |
Johannes Berg | 5dfdaf5 | 2007-12-19 02:03:33 +0100 | [diff] [blame] | 640 | /* Need to have a beacon head if we don't have one yet */ |
| 641 | if (!params->head && !old) |
Johannes Berg | 8860020 | 2012-02-13 15:17:18 +0100 | [diff] [blame] | 642 | return -EINVAL; |
Johannes Berg | 5dfdaf5 | 2007-12-19 02:03:33 +0100 | [diff] [blame] | 643 | |
| 644 | /* new or old head? */ |
| 645 | if (params->head) |
| 646 | new_head_len = params->head_len; |
| 647 | else |
| 648 | new_head_len = old->head_len; |
| 649 | |
| 650 | /* new or old tail? */ |
| 651 | if (params->tail || !old) |
| 652 | /* params->tail_len will be zero for !params->tail */ |
| 653 | new_tail_len = params->tail_len; |
| 654 | else |
| 655 | new_tail_len = old->tail_len; |
| 656 | |
| 657 | size = sizeof(*new) + new_head_len + new_tail_len; |
| 658 | |
| 659 | new = kzalloc(size, GFP_KERNEL); |
| 660 | if (!new) |
| 661 | return -ENOMEM; |
| 662 | |
| 663 | /* start filling the new info now */ |
| 664 | |
Johannes Berg | 5dfdaf5 | 2007-12-19 02:03:33 +0100 | [diff] [blame] | 665 | /* |
| 666 | * pointers go into the block we allocated, |
| 667 | * memory is | beacon_data | head | tail | |
| 668 | */ |
| 669 | new->head = ((u8 *) new) + sizeof(*new); |
| 670 | new->tail = new->head + new_head_len; |
| 671 | new->head_len = new_head_len; |
| 672 | new->tail_len = new_tail_len; |
| 673 | |
Michal Kazior | af296bd | 2014-06-05 14:21:36 +0200 | [diff] [blame] | 674 | if (csa) { |
| 675 | new->csa_current_counter = csa->count; |
| 676 | memcpy(new->csa_counter_offsets, csa->counter_offsets_beacon, |
| 677 | csa->n_counter_offsets_beacon * |
| 678 | sizeof(new->csa_counter_offsets[0])); |
| 679 | } |
| 680 | |
Johannes Berg | 5dfdaf5 | 2007-12-19 02:03:33 +0100 | [diff] [blame] | 681 | /* copy in head */ |
| 682 | if (params->head) |
| 683 | memcpy(new->head, params->head, new_head_len); |
| 684 | else |
| 685 | memcpy(new->head, old->head, new_head_len); |
| 686 | |
| 687 | /* copy in optional tail */ |
| 688 | if (params->tail) |
| 689 | memcpy(new->tail, params->tail, new_tail_len); |
| 690 | else |
| 691 | if (old) |
| 692 | memcpy(new->tail, old->tail, new_tail_len); |
| 693 | |
Johannes Berg | 8860020 | 2012-02-13 15:17:18 +0100 | [diff] [blame] | 694 | err = ieee80211_set_probe_resp(sdata, params->probe_resp, |
Michal Kazior | af296bd | 2014-06-05 14:21:36 +0200 | [diff] [blame] | 695 | params->probe_resp_len, csa); |
Johannes Berg | 8860020 | 2012-02-13 15:17:18 +0100 | [diff] [blame] | 696 | if (err < 0) |
| 697 | return err; |
| 698 | if (err == 0) |
| 699 | changed |= BSS_CHANGED_AP_PROBE_RESP; |
Johannes Berg | 19885c4 | 2010-02-05 11:45:06 +0100 | [diff] [blame] | 700 | |
Eric Dumazet | cf778b0 | 2012-01-12 04:41:32 +0000 | [diff] [blame] | 701 | rcu_assign_pointer(sdata->u.ap.beacon, new); |
Johannes Berg | 5dfdaf5 | 2007-12-19 02:03:33 +0100 | [diff] [blame] | 702 | |
Johannes Berg | 8860020 | 2012-02-13 15:17:18 +0100 | [diff] [blame] | 703 | if (old) |
| 704 | kfree_rcu(old, rcu_head); |
Johannes Berg | 5dfdaf5 | 2007-12-19 02:03:33 +0100 | [diff] [blame] | 705 | |
Johannes Berg | 8860020 | 2012-02-13 15:17:18 +0100 | [diff] [blame] | 706 | return changed; |
Johannes Berg | 5dfdaf5 | 2007-12-19 02:03:33 +0100 | [diff] [blame] | 707 | } |
| 708 | |
Johannes Berg | 8860020 | 2012-02-13 15:17:18 +0100 | [diff] [blame] | 709 | static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev, |
| 710 | struct cfg80211_ap_settings *params) |
Johannes Berg | 5dfdaf5 | 2007-12-19 02:03:33 +0100 | [diff] [blame] | 711 | { |
Johannes Berg | 8860020 | 2012-02-13 15:17:18 +0100 | [diff] [blame] | 712 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
Johannes Berg | 34a3740 | 2013-12-18 09:43:33 +0100 | [diff] [blame] | 713 | struct ieee80211_local *local = sdata->local; |
Johannes Berg | 5dfdaf5 | 2007-12-19 02:03:33 +0100 | [diff] [blame] | 714 | struct beacon_data *old; |
Johannes Berg | 665c93a | 2011-11-04 11:18:11 +0100 | [diff] [blame] | 715 | struct ieee80211_sub_if_data *vlan; |
Johannes Berg | 8860020 | 2012-02-13 15:17:18 +0100 | [diff] [blame] | 716 | u32 changed = BSS_CHANGED_BEACON_INT | |
| 717 | BSS_CHANGED_BEACON_ENABLED | |
| 718 | BSS_CHANGED_BEACON | |
Johannes Berg | 339afbf | 2012-11-14 15:21:17 +0100 | [diff] [blame] | 719 | BSS_CHANGED_SSID | |
Johannes Berg | 4bcc56b | 2014-11-13 11:23:53 +0100 | [diff] [blame] | 720 | BSS_CHANGED_P2P_PS | |
| 721 | BSS_CHANGED_TXPOWER; |
Johannes Berg | 8860020 | 2012-02-13 15:17:18 +0100 | [diff] [blame] | 722 | int err; |
Johannes Berg | 14db74b | 2008-07-29 13:22:52 +0200 | [diff] [blame] | 723 | |
Simon Wunderlich | 7ca133b | 2013-11-21 18:19:50 +0100 | [diff] [blame] | 724 | old = sdata_dereference(sdata->u.ap.beacon, sdata); |
Johannes Berg | 5dfdaf5 | 2007-12-19 02:03:33 +0100 | [diff] [blame] | 725 | if (old) |
| 726 | return -EALREADY; |
| 727 | |
Eliad Peller | f699317 | 2014-09-10 14:07:35 +0300 | [diff] [blame] | 728 | switch (params->smps_mode) { |
| 729 | case NL80211_SMPS_OFF: |
| 730 | sdata->smps_mode = IEEE80211_SMPS_OFF; |
| 731 | break; |
| 732 | case NL80211_SMPS_STATIC: |
| 733 | sdata->smps_mode = IEEE80211_SMPS_STATIC; |
| 734 | break; |
| 735 | case NL80211_SMPS_DYNAMIC: |
| 736 | sdata->smps_mode = IEEE80211_SMPS_DYNAMIC; |
| 737 | break; |
| 738 | default: |
| 739 | return -EINVAL; |
| 740 | } |
Johannes Berg | 04ecd25 | 2012-09-11 14:34:12 +0200 | [diff] [blame] | 741 | sdata->needed_rx_chains = sdata->local->rx_chains; |
| 742 | |
Johannes Berg | 34a3740 | 2013-12-18 09:43:33 +0100 | [diff] [blame] | 743 | mutex_lock(&local->mtx); |
Johannes Berg | 4bf8853 | 2012-11-09 11:39:59 +0100 | [diff] [blame] | 744 | err = ieee80211_vif_use_channel(sdata, ¶ms->chandef, |
Johannes Berg | 55de908 | 2012-07-26 17:24:39 +0200 | [diff] [blame] | 745 | IEEE80211_CHANCTX_SHARED); |
Michal Kazior | 4e141da | 2014-03-05 13:14:08 +0100 | [diff] [blame] | 746 | if (!err) |
| 747 | ieee80211_vif_copy_chanctx_to_vlans(sdata, false); |
Johannes Berg | 34a3740 | 2013-12-18 09:43:33 +0100 | [diff] [blame] | 748 | mutex_unlock(&local->mtx); |
Johannes Berg | aa430da | 2012-05-16 23:50:18 +0200 | [diff] [blame] | 749 | if (err) |
| 750 | return err; |
| 751 | |
Johannes Berg | 665c93a | 2011-11-04 11:18:11 +0100 | [diff] [blame] | 752 | /* |
| 753 | * Apply control port protocol, this allows us to |
| 754 | * not encrypt dynamic WEP control frames. |
| 755 | */ |
| 756 | sdata->control_port_protocol = params->crypto.control_port_ethertype; |
| 757 | sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt; |
Max Stepanov | 2475b1cc | 2013-03-24 14:23:27 +0200 | [diff] [blame] | 758 | sdata->encrypt_headroom = ieee80211_cs_headroom(sdata->local, |
| 759 | ¶ms->crypto, |
| 760 | sdata->vif.type); |
| 761 | |
Johannes Berg | 665c93a | 2011-11-04 11:18:11 +0100 | [diff] [blame] | 762 | list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) { |
| 763 | vlan->control_port_protocol = |
| 764 | params->crypto.control_port_ethertype; |
| 765 | vlan->control_port_no_encrypt = |
| 766 | params->crypto.control_port_no_encrypt; |
Max Stepanov | 2475b1cc | 2013-03-24 14:23:27 +0200 | [diff] [blame] | 767 | vlan->encrypt_headroom = |
| 768 | ieee80211_cs_headroom(sdata->local, |
| 769 | ¶ms->crypto, |
| 770 | vlan->vif.type); |
Johannes Berg | 665c93a | 2011-11-04 11:18:11 +0100 | [diff] [blame] | 771 | } |
| 772 | |
Johannes Berg | 8860020 | 2012-02-13 15:17:18 +0100 | [diff] [blame] | 773 | sdata->vif.bss_conf.beacon_int = params->beacon_interval; |
| 774 | sdata->vif.bss_conf.dtim_period = params->dtim_period; |
Johannes Berg | d6a8322 | 2012-12-14 14:06:28 +0100 | [diff] [blame] | 775 | sdata->vif.bss_conf.enable_beacon = true; |
Johannes Berg | 8860020 | 2012-02-13 15:17:18 +0100 | [diff] [blame] | 776 | |
| 777 | sdata->vif.bss_conf.ssid_len = params->ssid_len; |
| 778 | if (params->ssid_len) |
| 779 | memcpy(sdata->vif.bss_conf.ssid, params->ssid, |
| 780 | params->ssid_len); |
| 781 | sdata->vif.bss_conf.hidden_ssid = |
| 782 | (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE); |
| 783 | |
Janusz Dziedzic | 67baf66 | 2013-03-21 15:47:56 +0100 | [diff] [blame] | 784 | memset(&sdata->vif.bss_conf.p2p_noa_attr, 0, |
| 785 | sizeof(sdata->vif.bss_conf.p2p_noa_attr)); |
| 786 | sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow = |
| 787 | params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK; |
| 788 | if (params->p2p_opp_ps) |
| 789 | sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |= |
| 790 | IEEE80211_P2P_OPPPS_ENABLE_BIT; |
Johannes Berg | 339afbf | 2012-11-14 15:21:17 +0100 | [diff] [blame] | 791 | |
Michal Kazior | af296bd | 2014-06-05 14:21:36 +0200 | [diff] [blame] | 792 | err = ieee80211_assign_beacon(sdata, ¶ms->beacon, NULL); |
Emmanuel Grumbach | 0297ea1 | 2014-01-27 11:07:42 +0200 | [diff] [blame] | 793 | if (err < 0) { |
| 794 | ieee80211_vif_release_channel(sdata); |
Johannes Berg | 8860020 | 2012-02-13 15:17:18 +0100 | [diff] [blame] | 795 | return err; |
Emmanuel Grumbach | 0297ea1 | 2014-01-27 11:07:42 +0200 | [diff] [blame] | 796 | } |
Johannes Berg | 8860020 | 2012-02-13 15:17:18 +0100 | [diff] [blame] | 797 | changed |= err; |
| 798 | |
Johannes Berg | 1041638 | 2012-10-19 15:44:42 +0200 | [diff] [blame] | 799 | err = drv_start_ap(sdata->local, sdata); |
| 800 | if (err) { |
Simon Wunderlich | 7ca133b | 2013-11-21 18:19:50 +0100 | [diff] [blame] | 801 | old = sdata_dereference(sdata->u.ap.beacon, sdata); |
| 802 | |
Johannes Berg | 1041638 | 2012-10-19 15:44:42 +0200 | [diff] [blame] | 803 | if (old) |
| 804 | kfree_rcu(old, rcu_head); |
| 805 | RCU_INIT_POINTER(sdata->u.ap.beacon, NULL); |
Emmanuel Grumbach | 0297ea1 | 2014-01-27 11:07:42 +0200 | [diff] [blame] | 806 | ieee80211_vif_release_channel(sdata); |
Johannes Berg | 1041638 | 2012-10-19 15:44:42 +0200 | [diff] [blame] | 807 | return err; |
| 808 | } |
| 809 | |
Thomas Pedersen | 057d5f4 | 2013-12-19 10:25:15 -0800 | [diff] [blame] | 810 | ieee80211_recalc_dtim(local, sdata); |
Johannes Berg | 8860020 | 2012-02-13 15:17:18 +0100 | [diff] [blame] | 811 | ieee80211_bss_info_change_notify(sdata, changed); |
| 812 | |
Johannes Berg | 3edaf3e | 2012-04-03 10:24:00 +0200 | [diff] [blame] | 813 | netif_carrier_on(dev); |
| 814 | list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) |
| 815 | netif_carrier_on(vlan->dev); |
| 816 | |
Johannes Berg | 665c93a | 2011-11-04 11:18:11 +0100 | [diff] [blame] | 817 | return 0; |
Johannes Berg | 5dfdaf5 | 2007-12-19 02:03:33 +0100 | [diff] [blame] | 818 | } |
| 819 | |
Johannes Berg | 8860020 | 2012-02-13 15:17:18 +0100 | [diff] [blame] | 820 | static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev, |
| 821 | struct cfg80211_beacon_data *params) |
Johannes Berg | 5dfdaf5 | 2007-12-19 02:03:33 +0100 | [diff] [blame] | 822 | { |
Johannes Berg | 14db74b | 2008-07-29 13:22:52 +0200 | [diff] [blame] | 823 | struct ieee80211_sub_if_data *sdata; |
Johannes Berg | 5dfdaf5 | 2007-12-19 02:03:33 +0100 | [diff] [blame] | 824 | struct beacon_data *old; |
Johannes Berg | 8860020 | 2012-02-13 15:17:18 +0100 | [diff] [blame] | 825 | int err; |
Johannes Berg | 5dfdaf5 | 2007-12-19 02:03:33 +0100 | [diff] [blame] | 826 | |
Johannes Berg | 14db74b | 2008-07-29 13:22:52 +0200 | [diff] [blame] | 827 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
Michal Kazior | dbd7285 | 2014-01-29 07:56:21 +0100 | [diff] [blame] | 828 | sdata_assert_lock(sdata); |
Johannes Berg | 14db74b | 2008-07-29 13:22:52 +0200 | [diff] [blame] | 829 | |
Simon Wunderlich | 73da7d5 | 2013-07-11 16:09:06 +0200 | [diff] [blame] | 830 | /* don't allow changing the beacon while CSA is in place - offset |
| 831 | * of channel switch counter may change |
| 832 | */ |
| 833 | if (sdata->vif.csa_active) |
| 834 | return -EBUSY; |
| 835 | |
Simon Wunderlich | 7ca133b | 2013-11-21 18:19:50 +0100 | [diff] [blame] | 836 | old = sdata_dereference(sdata->u.ap.beacon, sdata); |
Johannes Berg | 5dfdaf5 | 2007-12-19 02:03:33 +0100 | [diff] [blame] | 837 | if (!old) |
| 838 | return -ENOENT; |
| 839 | |
Michal Kazior | af296bd | 2014-06-05 14:21:36 +0200 | [diff] [blame] | 840 | err = ieee80211_assign_beacon(sdata, params, NULL); |
Johannes Berg | 8860020 | 2012-02-13 15:17:18 +0100 | [diff] [blame] | 841 | if (err < 0) |
| 842 | return err; |
| 843 | ieee80211_bss_info_change_notify(sdata, err); |
| 844 | return 0; |
Johannes Berg | 5dfdaf5 | 2007-12-19 02:03:33 +0100 | [diff] [blame] | 845 | } |
| 846 | |
Johannes Berg | 8860020 | 2012-02-13 15:17:18 +0100 | [diff] [blame] | 847 | static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev) |
Johannes Berg | 5dfdaf5 | 2007-12-19 02:03:33 +0100 | [diff] [blame] | 848 | { |
Johannes Berg | 7b20b8e | 2012-10-25 19:02:42 +0200 | [diff] [blame] | 849 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
| 850 | struct ieee80211_sub_if_data *vlan; |
| 851 | struct ieee80211_local *local = sdata->local; |
| 852 | struct beacon_data *old_beacon; |
| 853 | struct probe_resp *old_probe_resp; |
Janusz Dziedzic | d2859df | 2013-11-06 13:55:51 +0100 | [diff] [blame] | 854 | struct cfg80211_chan_def chandef; |
Johannes Berg | 5dfdaf5 | 2007-12-19 02:03:33 +0100 | [diff] [blame] | 855 | |
Michal Kazior | dbd7285 | 2014-01-29 07:56:21 +0100 | [diff] [blame] | 856 | sdata_assert_lock(sdata); |
| 857 | |
Simon Wunderlich | 7ca133b | 2013-11-21 18:19:50 +0100 | [diff] [blame] | 858 | old_beacon = sdata_dereference(sdata->u.ap.beacon, sdata); |
Johannes Berg | 7b20b8e | 2012-10-25 19:02:42 +0200 | [diff] [blame] | 859 | if (!old_beacon) |
Johannes Berg | 5dfdaf5 | 2007-12-19 02:03:33 +0100 | [diff] [blame] | 860 | return -ENOENT; |
Simon Wunderlich | 7ca133b | 2013-11-21 18:19:50 +0100 | [diff] [blame] | 861 | old_probe_resp = sdata_dereference(sdata->u.ap.probe_resp, sdata); |
Johannes Berg | 5dfdaf5 | 2007-12-19 02:03:33 +0100 | [diff] [blame] | 862 | |
Simon Wunderlich | 73da7d5 | 2013-07-11 16:09:06 +0200 | [diff] [blame] | 863 | /* abort any running channel switch */ |
Michal Kazior | 59af692 | 2014-04-09 15:10:59 +0200 | [diff] [blame] | 864 | mutex_lock(&local->mtx); |
Simon Wunderlich | 73da7d5 | 2013-07-11 16:09:06 +0200 | [diff] [blame] | 865 | sdata->vif.csa_active = false; |
Luciano Coelho | a46992b | 2014-06-13 16:30:07 +0300 | [diff] [blame] | 866 | if (sdata->csa_block_tx) { |
| 867 | ieee80211_wake_vif_queues(local, sdata, |
| 868 | IEEE80211_QUEUE_STOP_REASON_CSA); |
| 869 | sdata->csa_block_tx = false; |
| 870 | } |
| 871 | |
Michal Kazior | 59af692 | 2014-04-09 15:10:59 +0200 | [diff] [blame] | 872 | mutex_unlock(&local->mtx); |
| 873 | |
Simon Wunderlich | 1f3b8a2 | 2013-11-21 18:19:53 +0100 | [diff] [blame] | 874 | kfree(sdata->u.ap.next_beacon); |
| 875 | sdata->u.ap.next_beacon = NULL; |
| 876 | |
Johannes Berg | 7b20b8e | 2012-10-25 19:02:42 +0200 | [diff] [blame] | 877 | /* turn off carrier for this interface and dependent VLANs */ |
Johannes Berg | 3edaf3e | 2012-04-03 10:24:00 +0200 | [diff] [blame] | 878 | list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) |
| 879 | netif_carrier_off(vlan->dev); |
| 880 | netif_carrier_off(dev); |
| 881 | |
Johannes Berg | 7b20b8e | 2012-10-25 19:02:42 +0200 | [diff] [blame] | 882 | /* remove beacon and probe response */ |
Stephen Hemminger | a9b3cd7 | 2011-08-01 16:19:00 +0000 | [diff] [blame] | 883 | RCU_INIT_POINTER(sdata->u.ap.beacon, NULL); |
Johannes Berg | 7b20b8e | 2012-10-25 19:02:42 +0200 | [diff] [blame] | 884 | RCU_INIT_POINTER(sdata->u.ap.probe_resp, NULL); |
| 885 | kfree_rcu(old_beacon, rcu_head); |
| 886 | if (old_probe_resp) |
| 887 | kfree_rcu(old_probe_resp, rcu_head); |
Emmanuel Grumbach | 8ffcc70 | 2014-01-23 14:28:16 +0200 | [diff] [blame] | 888 | sdata->u.ap.driver_smps_mode = IEEE80211_SMPS_OFF; |
Johannes Berg | 8860020 | 2012-02-13 15:17:18 +0100 | [diff] [blame] | 889 | |
Johannes Berg | e716251 | 2013-12-04 23:18:37 +0100 | [diff] [blame] | 890 | __sta_info_flush(sdata, true); |
Johannes Berg | 7907c7d | 2013-12-04 23:47:09 +0100 | [diff] [blame] | 891 | ieee80211_free_keys(sdata, true); |
Johannes Berg | 75de911 | 2012-12-14 14:56:03 +0100 | [diff] [blame] | 892 | |
Johannes Berg | d6a8322 | 2012-12-14 14:06:28 +0100 | [diff] [blame] | 893 | sdata->vif.bss_conf.enable_beacon = false; |
Marek Puzyniak | 0eabccd | 2013-04-10 13:47:45 +0200 | [diff] [blame] | 894 | sdata->vif.bss_conf.ssid_len = 0; |
Johannes Berg | d6a8322 | 2012-12-14 14:06:28 +0100 | [diff] [blame] | 895 | clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state); |
Johannes Berg | 2d0ddec | 2009-04-23 16:13:26 +0200 | [diff] [blame] | 896 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED); |
Johannes Berg | 8860020 | 2012-02-13 15:17:18 +0100 | [diff] [blame] | 897 | |
Simon Wunderlich | a6b368f | 2013-06-11 10:44:39 +0200 | [diff] [blame] | 898 | if (sdata->wdev.cac_started) { |
Janusz Dziedzic | d2859df | 2013-11-06 13:55:51 +0100 | [diff] [blame] | 899 | chandef = sdata->vif.bss_conf.chandef; |
Simon Wunderlich | a6b368f | 2013-06-11 10:44:39 +0200 | [diff] [blame] | 900 | cancel_delayed_work_sync(&sdata->dfs_cac_timer_work); |
Janusz Dziedzic | d2859df | 2013-11-06 13:55:51 +0100 | [diff] [blame] | 901 | cfg80211_cac_event(sdata->dev, &chandef, |
| 902 | NL80211_RADAR_CAC_ABORTED, |
Simon Wunderlich | a6b368f | 2013-06-11 10:44:39 +0200 | [diff] [blame] | 903 | GFP_KERNEL); |
| 904 | } |
| 905 | |
Johannes Berg | 1041638 | 2012-10-19 15:44:42 +0200 | [diff] [blame] | 906 | drv_stop_ap(sdata->local, sdata); |
| 907 | |
Johannes Berg | 7b20b8e | 2012-10-25 19:02:42 +0200 | [diff] [blame] | 908 | /* free all potentially still buffered bcast frames */ |
| 909 | local->total_ps_buffered -= skb_queue_len(&sdata->u.ap.ps.bc_buf); |
| 910 | skb_queue_purge(&sdata->u.ap.ps.bc_buf); |
| 911 | |
Johannes Berg | 34a3740 | 2013-12-18 09:43:33 +0100 | [diff] [blame] | 912 | mutex_lock(&local->mtx); |
Michal Kazior | 4e141da | 2014-03-05 13:14:08 +0100 | [diff] [blame] | 913 | ieee80211_vif_copy_chanctx_to_vlans(sdata, true); |
Johannes Berg | 55de908 | 2012-07-26 17:24:39 +0200 | [diff] [blame] | 914 | ieee80211_vif_release_channel(sdata); |
Johannes Berg | 34a3740 | 2013-12-18 09:43:33 +0100 | [diff] [blame] | 915 | mutex_unlock(&local->mtx); |
Johannes Berg | 55de908 | 2012-07-26 17:24:39 +0200 | [diff] [blame] | 916 | |
Johannes Berg | 2d0ddec | 2009-04-23 16:13:26 +0200 | [diff] [blame] | 917 | return 0; |
Johannes Berg | 5dfdaf5 | 2007-12-19 02:03:33 +0100 | [diff] [blame] | 918 | } |
| 919 | |
Johannes Berg | 4fd6931 | 2007-12-19 02:03:35 +0100 | [diff] [blame] | 920 | /* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */ |
| 921 | struct iapp_layer2_update { |
| 922 | u8 da[ETH_ALEN]; /* broadcast */ |
| 923 | u8 sa[ETH_ALEN]; /* STA addr */ |
| 924 | __be16 len; /* 6 */ |
| 925 | u8 dsap; /* 0 */ |
| 926 | u8 ssap; /* 0 */ |
| 927 | u8 control; |
| 928 | u8 xid_info[3]; |
Eric Dumazet | bc10502 | 2010-06-03 03:21:52 -0700 | [diff] [blame] | 929 | } __packed; |
Johannes Berg | 4fd6931 | 2007-12-19 02:03:35 +0100 | [diff] [blame] | 930 | |
| 931 | static void ieee80211_send_layer2_update(struct sta_info *sta) |
| 932 | { |
| 933 | struct iapp_layer2_update *msg; |
| 934 | struct sk_buff *skb; |
| 935 | |
| 936 | /* Send Level 2 Update Frame to update forwarding tables in layer 2 |
| 937 | * bridge devices */ |
| 938 | |
| 939 | skb = dev_alloc_skb(sizeof(*msg)); |
| 940 | if (!skb) |
| 941 | return; |
| 942 | msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg)); |
| 943 | |
| 944 | /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID) |
| 945 | * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */ |
| 946 | |
Johannes Berg | e83e654 | 2012-07-13 16:23:07 +0200 | [diff] [blame] | 947 | eth_broadcast_addr(msg->da); |
Johannes Berg | 17741cd | 2008-09-11 00:02:02 +0200 | [diff] [blame] | 948 | memcpy(msg->sa, sta->sta.addr, ETH_ALEN); |
Johannes Berg | 4fd6931 | 2007-12-19 02:03:35 +0100 | [diff] [blame] | 949 | msg->len = htons(6); |
| 950 | msg->dsap = 0; |
| 951 | msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */ |
| 952 | msg->control = 0xaf; /* XID response lsb.1111F101. |
| 953 | * F=0 (no poll command; unsolicited frame) */ |
| 954 | msg->xid_info[0] = 0x81; /* XID format identifier */ |
| 955 | msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */ |
| 956 | msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */ |
| 957 | |
Johannes Berg | d0709a6 | 2008-02-25 16:27:46 +0100 | [diff] [blame] | 958 | skb->dev = sta->sdata->dev; |
| 959 | skb->protocol = eth_type_trans(skb, sta->sdata->dev); |
Johannes Berg | 4fd6931 | 2007-12-19 02:03:35 +0100 | [diff] [blame] | 960 | memset(skb->cb, 0, sizeof(skb->cb)); |
John W. Linville | 06ee1c2 | 2010-07-19 11:52:59 -0400 | [diff] [blame] | 961 | netif_rx_ni(skb); |
Johannes Berg | 4fd6931 | 2007-12-19 02:03:35 +0100 | [diff] [blame] | 962 | } |
| 963 | |
Johannes Berg | d582cff | 2012-10-26 17:53:44 +0200 | [diff] [blame] | 964 | static int sta_apply_auth_flags(struct ieee80211_local *local, |
| 965 | struct sta_info *sta, |
| 966 | u32 mask, u32 set) |
| 967 | { |
| 968 | int ret; |
| 969 | |
| 970 | if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) && |
| 971 | set & BIT(NL80211_STA_FLAG_AUTHENTICATED) && |
| 972 | !test_sta_flag(sta, WLAN_STA_AUTH)) { |
| 973 | ret = sta_info_move_state(sta, IEEE80211_STA_AUTH); |
| 974 | if (ret) |
| 975 | return ret; |
| 976 | } |
| 977 | |
| 978 | if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) && |
| 979 | set & BIT(NL80211_STA_FLAG_ASSOCIATED) && |
| 980 | !test_sta_flag(sta, WLAN_STA_ASSOC)) { |
Marek Puzyniak | c23e31c | 2015-03-08 18:04:22 +0200 | [diff] [blame] | 981 | /* |
| 982 | * When peer becomes associated, init rate control as |
| 983 | * well. Some drivers require rate control initialized |
| 984 | * before drv_sta_state() is called. |
| 985 | */ |
| 986 | if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) |
| 987 | rate_control_rate_init(sta); |
| 988 | |
Johannes Berg | d582cff | 2012-10-26 17:53:44 +0200 | [diff] [blame] | 989 | ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC); |
| 990 | if (ret) |
| 991 | return ret; |
| 992 | } |
| 993 | |
| 994 | if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) { |
| 995 | if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) |
| 996 | ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED); |
| 997 | else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) |
| 998 | ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC); |
| 999 | else |
| 1000 | ret = 0; |
| 1001 | if (ret) |
| 1002 | return ret; |
| 1003 | } |
| 1004 | |
| 1005 | if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) && |
| 1006 | !(set & BIT(NL80211_STA_FLAG_ASSOCIATED)) && |
| 1007 | test_sta_flag(sta, WLAN_STA_ASSOC)) { |
| 1008 | ret = sta_info_move_state(sta, IEEE80211_STA_AUTH); |
| 1009 | if (ret) |
| 1010 | return ret; |
| 1011 | } |
| 1012 | |
| 1013 | if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) && |
| 1014 | !(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) && |
| 1015 | test_sta_flag(sta, WLAN_STA_AUTH)) { |
| 1016 | ret = sta_info_move_state(sta, IEEE80211_STA_NONE); |
| 1017 | if (ret) |
| 1018 | return ret; |
| 1019 | } |
| 1020 | |
| 1021 | return 0; |
| 1022 | } |
| 1023 | |
Johannes Berg | d9a7ddb | 2011-12-14 12:35:30 +0100 | [diff] [blame] | 1024 | static int sta_apply_parameters(struct ieee80211_local *local, |
| 1025 | struct sta_info *sta, |
| 1026 | struct station_parameters *params) |
Johannes Berg | 4fd6931 | 2007-12-19 02:03:35 +0100 | [diff] [blame] | 1027 | { |
Johannes Berg | d9a7ddb | 2011-12-14 12:35:30 +0100 | [diff] [blame] | 1028 | int ret = 0; |
Johannes Berg | 8318d78 | 2008-01-24 19:38:38 +0100 | [diff] [blame] | 1029 | struct ieee80211_supported_band *sband; |
Johannes Berg | d0709a6 | 2008-02-25 16:27:46 +0100 | [diff] [blame] | 1030 | struct ieee80211_sub_if_data *sdata = sta->sdata; |
Johannes Berg | 55de908 | 2012-07-26 17:24:39 +0200 | [diff] [blame] | 1031 | enum ieee80211_band band = ieee80211_get_sdata_band(sdata); |
Johannes Berg | eccb8e8 | 2009-05-11 21:57:56 +0300 | [diff] [blame] | 1032 | u32 mask, set; |
Johannes Berg | 4fd6931 | 2007-12-19 02:03:35 +0100 | [diff] [blame] | 1033 | |
Johannes Berg | 55de908 | 2012-07-26 17:24:39 +0200 | [diff] [blame] | 1034 | sband = local->hw.wiphy->bands[band]; |
Johannes Berg | ae5eb02 | 2008-10-14 16:58:37 +0200 | [diff] [blame] | 1035 | |
Johannes Berg | eccb8e8 | 2009-05-11 21:57:56 +0300 | [diff] [blame] | 1036 | mask = params->sta_flags_mask; |
| 1037 | set = params->sta_flags_set; |
Johannes Berg | 73651ee | 2008-02-25 16:27:47 +0100 | [diff] [blame] | 1038 | |
Johannes Berg | d582cff | 2012-10-26 17:53:44 +0200 | [diff] [blame] | 1039 | if (ieee80211_vif_is_mesh(&sdata->vif)) { |
| 1040 | /* |
| 1041 | * In mesh mode, ASSOCIATED isn't part of the nl80211 |
| 1042 | * API but must follow AUTHENTICATED for driver state. |
| 1043 | */ |
| 1044 | if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED)) |
| 1045 | mask |= BIT(NL80211_STA_FLAG_ASSOCIATED); |
| 1046 | if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) |
| 1047 | set |= BIT(NL80211_STA_FLAG_ASSOCIATED); |
Johannes Berg | 77ee7c8 | 2013-02-15 00:48:33 +0100 | [diff] [blame] | 1048 | } else if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) { |
| 1049 | /* |
| 1050 | * TDLS -- everything follows authorized, but |
| 1051 | * only becoming authorized is possible, not |
| 1052 | * going back |
| 1053 | */ |
| 1054 | if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) { |
| 1055 | set |= BIT(NL80211_STA_FLAG_AUTHENTICATED) | |
| 1056 | BIT(NL80211_STA_FLAG_ASSOCIATED); |
| 1057 | mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED) | |
| 1058 | BIT(NL80211_STA_FLAG_ASSOCIATED); |
| 1059 | } |
Johannes Berg | d9a7ddb | 2011-12-14 12:35:30 +0100 | [diff] [blame] | 1060 | } |
| 1061 | |
Johannes Berg | 2c44be8 | 2015-03-30 15:09:20 +0200 | [diff] [blame] | 1062 | if (mask & BIT(NL80211_STA_FLAG_WME) && |
| 1063 | local->hw.queues >= IEEE80211_NUM_ACS) |
| 1064 | sta->sta.wme = set & BIT(NL80211_STA_FLAG_WME); |
| 1065 | |
Arik Nemtsov | 68885a5 | 2014-06-11 17:18:19 +0300 | [diff] [blame] | 1066 | /* auth flags will be set later for TDLS stations */ |
| 1067 | if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) { |
| 1068 | ret = sta_apply_auth_flags(local, sta, mask, set); |
| 1069 | if (ret) |
| 1070 | return ret; |
| 1071 | } |
Johannes Berg | d9a7ddb | 2011-12-14 12:35:30 +0100 | [diff] [blame] | 1072 | |
Johannes Berg | eccb8e8 | 2009-05-11 21:57:56 +0300 | [diff] [blame] | 1073 | if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) { |
Johannes Berg | eccb8e8 | 2009-05-11 21:57:56 +0300 | [diff] [blame] | 1074 | if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) |
Johannes Berg | c2c98fd | 2011-09-29 16:04:36 +0200 | [diff] [blame] | 1075 | set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE); |
| 1076 | else |
| 1077 | clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE); |
Johannes Berg | eccb8e8 | 2009-05-11 21:57:56 +0300 | [diff] [blame] | 1078 | } |
| 1079 | |
Johannes Berg | eccb8e8 | 2009-05-11 21:57:56 +0300 | [diff] [blame] | 1080 | if (mask & BIT(NL80211_STA_FLAG_MFP)) { |
SenthilKumar Jegadeesan | 64a8cef | 2015-03-02 13:29:40 +0530 | [diff] [blame] | 1081 | sta->sta.mfp = !!(set & BIT(NL80211_STA_FLAG_MFP)); |
Johannes Berg | eccb8e8 | 2009-05-11 21:57:56 +0300 | [diff] [blame] | 1082 | if (set & BIT(NL80211_STA_FLAG_MFP)) |
Johannes Berg | c2c98fd | 2011-09-29 16:04:36 +0200 | [diff] [blame] | 1083 | set_sta_flag(sta, WLAN_STA_MFP); |
| 1084 | else |
| 1085 | clear_sta_flag(sta, WLAN_STA_MFP); |
Johannes Berg | eccb8e8 | 2009-05-11 21:57:56 +0300 | [diff] [blame] | 1086 | } |
Javier Cardona | b39c48f | 2011-04-07 15:08:30 -0700 | [diff] [blame] | 1087 | |
Arik Nemtsov | 07ba55d | 2011-09-28 14:12:53 +0300 | [diff] [blame] | 1088 | if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) { |
Arik Nemtsov | 07ba55d | 2011-09-28 14:12:53 +0300 | [diff] [blame] | 1089 | if (set & BIT(NL80211_STA_FLAG_TDLS_PEER)) |
Johannes Berg | c2c98fd | 2011-09-29 16:04:36 +0200 | [diff] [blame] | 1090 | set_sta_flag(sta, WLAN_STA_TDLS_PEER); |
| 1091 | else |
| 1092 | clear_sta_flag(sta, WLAN_STA_TDLS_PEER); |
Arik Nemtsov | 07ba55d | 2011-09-28 14:12:53 +0300 | [diff] [blame] | 1093 | } |
Johannes Berg | eccb8e8 | 2009-05-11 21:57:56 +0300 | [diff] [blame] | 1094 | |
Arik Nemtsov | 9041c1f | 2014-11-09 18:50:15 +0200 | [diff] [blame] | 1095 | /* mark TDLS channel switch support, if the AP allows it */ |
| 1096 | if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) && |
| 1097 | !sdata->u.mgd.tdls_chan_switch_prohibited && |
| 1098 | params->ext_capab_len >= 4 && |
| 1099 | params->ext_capab[3] & WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH) |
| 1100 | set_sta_flag(sta, WLAN_STA_TDLS_CHAN_SWITCH); |
| 1101 | |
Johannes Berg | 3b9ce80 | 2011-09-27 20:56:12 +0200 | [diff] [blame] | 1102 | if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) { |
| 1103 | sta->sta.uapsd_queues = params->uapsd_queues; |
| 1104 | sta->sta.max_sp = params->max_sp; |
| 1105 | } |
Eliad Peller | 9533b4a | 2011-08-23 14:37:47 +0300 | [diff] [blame] | 1106 | |
Johannes Berg | 73651ee | 2008-02-25 16:27:47 +0100 | [diff] [blame] | 1107 | /* |
Johannes Berg | 51b50fb | 2009-05-24 16:42:30 +0200 | [diff] [blame] | 1108 | * cfg80211 validates this (1-2007) and allows setting the AID |
| 1109 | * only when creating a new station entry |
| 1110 | */ |
| 1111 | if (params->aid) |
| 1112 | sta->sta.aid = params->aid; |
| 1113 | |
| 1114 | /* |
Johannes Berg | ba23d20 | 2012-12-27 17:32:09 +0100 | [diff] [blame] | 1115 | * Some of the following updates would be racy if called on an |
| 1116 | * existing station, via ieee80211_change_station(). However, |
| 1117 | * all such changes are rejected by cfg80211 except for updates |
| 1118 | * changing the supported rates on an existing but not yet used |
| 1119 | * TDLS peer. |
Johannes Berg | 73651ee | 2008-02-25 16:27:47 +0100 | [diff] [blame] | 1120 | */ |
| 1121 | |
Johannes Berg | 4fd6931 | 2007-12-19 02:03:35 +0100 | [diff] [blame] | 1122 | if (params->listen_interval >= 0) |
| 1123 | sta->listen_interval = params->listen_interval; |
| 1124 | |
| 1125 | if (params->supported_rates) { |
Simon Wunderlich | 2103dec | 2013-07-08 16:55:53 +0200 | [diff] [blame] | 1126 | ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef, |
| 1127 | sband, params->supported_rates, |
| 1128 | params->supported_rates_len, |
| 1129 | &sta->sta.supp_rates[band]); |
Johannes Berg | 4fd6931 | 2007-12-19 02:03:35 +0100 | [diff] [blame] | 1130 | } |
Luis Carlos Cobo | c5dd9c2 | 2008-02-23 15:17:17 +0100 | [diff] [blame] | 1131 | |
Johannes Berg | d9fe60d | 2008-10-09 12:13:49 +0200 | [diff] [blame] | 1132 | if (params->ht_capa) |
Ben Greear | ef96a842 | 2011-11-18 11:32:00 -0800 | [diff] [blame] | 1133 | ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband, |
Johannes Berg | e1a0c6b | 2013-02-07 11:47:44 +0100 | [diff] [blame] | 1134 | params->ht_capa, sta); |
Jouni Malinen | 36aedc90 | 2008-08-25 11:58:58 +0300 | [diff] [blame] | 1135 | |
Mahesh Palivela | f461be3e | 2012-10-11 08:04:52 +0000 | [diff] [blame] | 1136 | if (params->vht_capa) |
| 1137 | ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband, |
Johannes Berg | 4a34215 | 2013-02-07 11:58:58 +0100 | [diff] [blame] | 1138 | params->vht_capa, sta); |
Mahesh Palivela | f461be3e | 2012-10-11 08:04:52 +0000 | [diff] [blame] | 1139 | |
Marek Kwaczynski | b1bce14 | 2014-02-03 14:44:44 +0100 | [diff] [blame] | 1140 | if (params->opmode_notif_used) { |
Marek Kwaczynski | b1bce14 | 2014-02-03 14:44:44 +0100 | [diff] [blame] | 1141 | /* returned value is only needed for rc update, but the |
| 1142 | * rc isn't initialized here yet, so ignore it |
| 1143 | */ |
| 1144 | __ieee80211_vht_handle_opmode(sdata, sta, |
| 1145 | params->opmode_notif, |
| 1146 | band, false); |
| 1147 | } |
| 1148 | |
Javier Cardona | 9c3990a | 2011-05-03 16:57:11 -0700 | [diff] [blame] | 1149 | if (ieee80211_vif_is_mesh(&sdata->vif)) { |
Yogesh Ashok Powar | 4daf50f | 2011-05-12 09:32:17 -0400 | [diff] [blame] | 1150 | #ifdef CONFIG_MAC80211_MESH |
Thomas Pedersen | 39886b6 | 2013-02-13 12:14:19 -0800 | [diff] [blame] | 1151 | u32 changed = 0; |
Johannes Berg | 77ee7c8 | 2013-02-15 00:48:33 +0100 | [diff] [blame] | 1152 | |
| 1153 | if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) { |
Javier Cardona | 9c3990a | 2011-05-03 16:57:11 -0700 | [diff] [blame] | 1154 | switch (params->plink_state) { |
Javier Cardona | 57cf804 | 2011-05-13 10:45:43 -0700 | [diff] [blame] | 1155 | case NL80211_PLINK_ESTAB: |
Marco Porsch | 1617bab | 2013-01-07 16:04:49 +0100 | [diff] [blame] | 1156 | if (sta->plink_state != NL80211_PLINK_ESTAB) |
| 1157 | changed = mesh_plink_inc_estab_count( |
| 1158 | sdata); |
| 1159 | sta->plink_state = params->plink_state; |
Marco Porsch | 3f52b7e | 2013-01-30 18:14:08 +0100 | [diff] [blame] | 1160 | |
| 1161 | ieee80211_mps_sta_status_update(sta); |
Thomas Pedersen | 39886b6 | 2013-02-13 12:14:19 -0800 | [diff] [blame] | 1162 | changed |= ieee80211_mps_set_sta_local_pm(sta, |
| 1163 | sdata->u.mesh.mshcfg.power_mode); |
Marco Porsch | 1617bab | 2013-01-07 16:04:49 +0100 | [diff] [blame] | 1164 | break; |
| 1165 | case NL80211_PLINK_LISTEN: |
Javier Cardona | 57cf804 | 2011-05-13 10:45:43 -0700 | [diff] [blame] | 1166 | case NL80211_PLINK_BLOCKED: |
Marco Porsch | 1617bab | 2013-01-07 16:04:49 +0100 | [diff] [blame] | 1167 | case NL80211_PLINK_OPN_SNT: |
| 1168 | case NL80211_PLINK_OPN_RCVD: |
| 1169 | case NL80211_PLINK_CNF_RCVD: |
| 1170 | case NL80211_PLINK_HOLDING: |
| 1171 | if (sta->plink_state == NL80211_PLINK_ESTAB) |
| 1172 | changed = mesh_plink_dec_estab_count( |
| 1173 | sdata); |
Javier Cardona | 9c3990a | 2011-05-03 16:57:11 -0700 | [diff] [blame] | 1174 | sta->plink_state = params->plink_state; |
Marco Porsch | 3f52b7e | 2013-01-30 18:14:08 +0100 | [diff] [blame] | 1175 | |
| 1176 | ieee80211_mps_sta_status_update(sta); |
Marco Porsch | 446075d | 2013-10-15 12:29:24 +0200 | [diff] [blame] | 1177 | changed |= ieee80211_mps_set_sta_local_pm(sta, |
| 1178 | NL80211_MESH_POWER_UNKNOWN); |
Javier Cardona | 9c3990a | 2011-05-03 16:57:11 -0700 | [diff] [blame] | 1179 | break; |
| 1180 | default: |
| 1181 | /* nothing */ |
| 1182 | break; |
| 1183 | } |
Johannes Berg | 77ee7c8 | 2013-02-15 00:48:33 +0100 | [diff] [blame] | 1184 | } |
| 1185 | |
| 1186 | switch (params->plink_action) { |
| 1187 | case NL80211_PLINK_ACTION_NO_ACTION: |
| 1188 | /* nothing */ |
| 1189 | break; |
| 1190 | case NL80211_PLINK_ACTION_OPEN: |
| 1191 | changed |= mesh_plink_open(sta); |
| 1192 | break; |
| 1193 | case NL80211_PLINK_ACTION_BLOCK: |
| 1194 | changed |= mesh_plink_block(sta); |
| 1195 | break; |
Marco Porsch | 1617bab | 2013-01-07 16:04:49 +0100 | [diff] [blame] | 1196 | } |
Marco Porsch | 3f52b7e | 2013-01-30 18:14:08 +0100 | [diff] [blame] | 1197 | |
| 1198 | if (params->local_pm) |
Thomas Pedersen | 39886b6 | 2013-02-13 12:14:19 -0800 | [diff] [blame] | 1199 | changed |= |
| 1200 | ieee80211_mps_set_sta_local_pm(sta, |
| 1201 | params->local_pm); |
Javier Lopez | 6c751ef | 2013-11-06 10:04:29 -0800 | [diff] [blame] | 1202 | ieee80211_mbss_info_change_notify(sdata, changed); |
Yogesh Ashok Powar | 4daf50f | 2011-05-12 09:32:17 -0400 | [diff] [blame] | 1203 | #endif |
Johannes Berg | 902acc7 | 2008-02-23 15:17:19 +0100 | [diff] [blame] | 1204 | } |
Johannes Berg | d9a7ddb | 2011-12-14 12:35:30 +0100 | [diff] [blame] | 1205 | |
Arik Nemtsov | 68885a5 | 2014-06-11 17:18:19 +0300 | [diff] [blame] | 1206 | /* set the STA state after all sta info from usermode has been set */ |
| 1207 | if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) { |
| 1208 | ret = sta_apply_auth_flags(local, sta, mask, set); |
| 1209 | if (ret) |
| 1210 | return ret; |
| 1211 | } |
| 1212 | |
Johannes Berg | d9a7ddb | 2011-12-14 12:35:30 +0100 | [diff] [blame] | 1213 | return 0; |
Johannes Berg | 4fd6931 | 2007-12-19 02:03:35 +0100 | [diff] [blame] | 1214 | } |
| 1215 | |
| 1216 | static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev, |
Johannes Berg | 3b3a016 | 2014-05-19 17:19:31 +0200 | [diff] [blame] | 1217 | const u8 *mac, |
| 1218 | struct station_parameters *params) |
Johannes Berg | 4fd6931 | 2007-12-19 02:03:35 +0100 | [diff] [blame] | 1219 | { |
Johannes Berg | 14db74b | 2008-07-29 13:22:52 +0200 | [diff] [blame] | 1220 | struct ieee80211_local *local = wiphy_priv(wiphy); |
Johannes Berg | 4fd6931 | 2007-12-19 02:03:35 +0100 | [diff] [blame] | 1221 | struct sta_info *sta; |
| 1222 | struct ieee80211_sub_if_data *sdata; |
Johannes Berg | 73651ee | 2008-02-25 16:27:47 +0100 | [diff] [blame] | 1223 | int err; |
Jouni Malinen | b8d476c | 2008-12-12 17:08:31 +0200 | [diff] [blame] | 1224 | int layer2_update; |
Johannes Berg | 4fd6931 | 2007-12-19 02:03:35 +0100 | [diff] [blame] | 1225 | |
Johannes Berg | 4fd6931 | 2007-12-19 02:03:35 +0100 | [diff] [blame] | 1226 | if (params->vlan) { |
| 1227 | sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan); |
| 1228 | |
Johannes Berg | 05c914f | 2008-09-11 00:01:58 +0200 | [diff] [blame] | 1229 | if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN && |
| 1230 | sdata->vif.type != NL80211_IFTYPE_AP) |
Johannes Berg | 4fd6931 | 2007-12-19 02:03:35 +0100 | [diff] [blame] | 1231 | return -EINVAL; |
| 1232 | } else |
| 1233 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
| 1234 | |
Joe Perches | b203ca3 | 2012-05-08 18:56:52 +0000 | [diff] [blame] | 1235 | if (ether_addr_equal(mac, sdata->vif.addr)) |
Johannes Berg | 03e4497 | 2008-02-27 09:56:40 +0100 | [diff] [blame] | 1236 | return -EINVAL; |
| 1237 | |
| 1238 | if (is_multicast_ether_addr(mac)) |
| 1239 | return -EINVAL; |
| 1240 | |
| 1241 | sta = sta_info_alloc(sdata, mac, GFP_KERNEL); |
Johannes Berg | 73651ee | 2008-02-25 16:27:47 +0100 | [diff] [blame] | 1242 | if (!sta) |
| 1243 | return -ENOMEM; |
Johannes Berg | 4fd6931 | 2007-12-19 02:03:35 +0100 | [diff] [blame] | 1244 | |
Johannes Berg | d582cff | 2012-10-26 17:53:44 +0200 | [diff] [blame] | 1245 | /* |
| 1246 | * defaults -- if userspace wants something else we'll |
| 1247 | * change it accordingly in sta_apply_parameters() |
| 1248 | */ |
Johannes Berg | 77ee7c8 | 2013-02-15 00:48:33 +0100 | [diff] [blame] | 1249 | if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) { |
| 1250 | sta_info_pre_move_state(sta, IEEE80211_STA_AUTH); |
| 1251 | sta_info_pre_move_state(sta, IEEE80211_STA_ASSOC); |
Arik Nemtsov | 0c4972c | 2014-05-01 10:17:27 +0300 | [diff] [blame] | 1252 | } else { |
| 1253 | sta->sta.tdls = true; |
Johannes Berg | 77ee7c8 | 2013-02-15 00:48:33 +0100 | [diff] [blame] | 1254 | } |
Johannes Berg | 4fd6931 | 2007-12-19 02:03:35 +0100 | [diff] [blame] | 1255 | |
Johannes Berg | d9a7ddb | 2011-12-14 12:35:30 +0100 | [diff] [blame] | 1256 | err = sta_apply_parameters(local, sta, params); |
| 1257 | if (err) { |
| 1258 | sta_info_free(local, sta); |
| 1259 | return err; |
| 1260 | } |
Johannes Berg | 4fd6931 | 2007-12-19 02:03:35 +0100 | [diff] [blame] | 1261 | |
Arik Nemtsov | d64cf63 | 2011-11-07 23:24:39 +0200 | [diff] [blame] | 1262 | /* |
Johannes Berg | 77ee7c8 | 2013-02-15 00:48:33 +0100 | [diff] [blame] | 1263 | * for TDLS, rate control should be initialized only when |
| 1264 | * rates are known and station is marked authorized |
Arik Nemtsov | d64cf63 | 2011-11-07 23:24:39 +0200 | [diff] [blame] | 1265 | */ |
| 1266 | if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) |
| 1267 | rate_control_rate_init(sta); |
Johannes Berg | 4fd6931 | 2007-12-19 02:03:35 +0100 | [diff] [blame] | 1268 | |
Jouni Malinen | b8d476c | 2008-12-12 17:08:31 +0200 | [diff] [blame] | 1269 | layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN || |
| 1270 | sdata->vif.type == NL80211_IFTYPE_AP; |
| 1271 | |
Johannes Berg | 34e8950 | 2010-02-03 13:59:58 +0100 | [diff] [blame] | 1272 | err = sta_info_insert_rcu(sta); |
Johannes Berg | 73651ee | 2008-02-25 16:27:47 +0100 | [diff] [blame] | 1273 | if (err) { |
Johannes Berg | 73651ee | 2008-02-25 16:27:47 +0100 | [diff] [blame] | 1274 | rcu_read_unlock(); |
| 1275 | return err; |
| 1276 | } |
| 1277 | |
Jouni Malinen | b8d476c | 2008-12-12 17:08:31 +0200 | [diff] [blame] | 1278 | if (layer2_update) |
Johannes Berg | 73651ee | 2008-02-25 16:27:47 +0100 | [diff] [blame] | 1279 | ieee80211_send_layer2_update(sta); |
| 1280 | |
| 1281 | rcu_read_unlock(); |
| 1282 | |
Johannes Berg | 4fd6931 | 2007-12-19 02:03:35 +0100 | [diff] [blame] | 1283 | return 0; |
| 1284 | } |
| 1285 | |
| 1286 | static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev, |
Jouni Malinen | 89c771e | 2014-10-10 20:52:40 +0300 | [diff] [blame] | 1287 | struct station_del_parameters *params) |
Johannes Berg | 4fd6931 | 2007-12-19 02:03:35 +0100 | [diff] [blame] | 1288 | { |
Johannes Berg | 14db74b | 2008-07-29 13:22:52 +0200 | [diff] [blame] | 1289 | struct ieee80211_sub_if_data *sdata; |
Johannes Berg | 4fd6931 | 2007-12-19 02:03:35 +0100 | [diff] [blame] | 1290 | |
Johannes Berg | 14db74b | 2008-07-29 13:22:52 +0200 | [diff] [blame] | 1291 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
| 1292 | |
Jouni Malinen | 89c771e | 2014-10-10 20:52:40 +0300 | [diff] [blame] | 1293 | if (params->mac) |
| 1294 | return sta_info_destroy_addr_bss(sdata, params->mac); |
Johannes Berg | 98dd6a5 | 2008-04-10 15:36:09 +0200 | [diff] [blame] | 1295 | |
Johannes Berg | b998e8b | 2012-12-13 23:07:46 +0100 | [diff] [blame] | 1296 | sta_info_flush(sdata); |
Johannes Berg | 4fd6931 | 2007-12-19 02:03:35 +0100 | [diff] [blame] | 1297 | return 0; |
| 1298 | } |
| 1299 | |
| 1300 | static int ieee80211_change_station(struct wiphy *wiphy, |
Johannes Berg | 3b3a016 | 2014-05-19 17:19:31 +0200 | [diff] [blame] | 1301 | struct net_device *dev, const u8 *mac, |
Johannes Berg | 4fd6931 | 2007-12-19 02:03:35 +0100 | [diff] [blame] | 1302 | struct station_parameters *params) |
| 1303 | { |
Johannes Berg | abe6063 | 2009-11-25 17:46:18 +0100 | [diff] [blame] | 1304 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
Johannes Berg | 14db74b | 2008-07-29 13:22:52 +0200 | [diff] [blame] | 1305 | struct ieee80211_local *local = wiphy_priv(wiphy); |
Johannes Berg | 4fd6931 | 2007-12-19 02:03:35 +0100 | [diff] [blame] | 1306 | struct sta_info *sta; |
| 1307 | struct ieee80211_sub_if_data *vlansdata; |
Johannes Berg | 77ee7c8 | 2013-02-15 00:48:33 +0100 | [diff] [blame] | 1308 | enum cfg80211_station_type statype; |
Eliad Peller | 35b8862 | 2011-12-29 14:41:39 +0200 | [diff] [blame] | 1309 | int err; |
Johannes Berg | 4fd6931 | 2007-12-19 02:03:35 +0100 | [diff] [blame] | 1310 | |
Johannes Berg | 87be1e1 | 2011-12-14 12:20:29 +0100 | [diff] [blame] | 1311 | mutex_lock(&local->sta_mtx); |
Johannes Berg | 98dd6a5 | 2008-04-10 15:36:09 +0200 | [diff] [blame] | 1312 | |
Felix Fietkau | 0e5ded5 | 2010-01-08 18:10:58 +0100 | [diff] [blame] | 1313 | sta = sta_info_get_bss(sdata, mac); |
Johannes Berg | 98dd6a5 | 2008-04-10 15:36:09 +0200 | [diff] [blame] | 1314 | if (!sta) { |
Johannes Berg | 77ee7c8 | 2013-02-15 00:48:33 +0100 | [diff] [blame] | 1315 | err = -ENOENT; |
| 1316 | goto out_err; |
Johannes Berg | 98dd6a5 | 2008-04-10 15:36:09 +0200 | [diff] [blame] | 1317 | } |
Johannes Berg | 4fd6931 | 2007-12-19 02:03:35 +0100 | [diff] [blame] | 1318 | |
Johannes Berg | 77ee7c8 | 2013-02-15 00:48:33 +0100 | [diff] [blame] | 1319 | switch (sdata->vif.type) { |
| 1320 | case NL80211_IFTYPE_MESH_POINT: |
Thomas Pedersen | a6dad6a | 2013-03-04 13:06:12 -0800 | [diff] [blame] | 1321 | if (sdata->u.mesh.user_mpm) |
Thomas Pedersen | eef941e | 2013-03-04 13:06:11 -0800 | [diff] [blame] | 1322 | statype = CFG80211_STA_MESH_PEER_USER; |
Johannes Berg | 77ee7c8 | 2013-02-15 00:48:33 +0100 | [diff] [blame] | 1323 | else |
Thomas Pedersen | eef941e | 2013-03-04 13:06:11 -0800 | [diff] [blame] | 1324 | statype = CFG80211_STA_MESH_PEER_KERNEL; |
Johannes Berg | 77ee7c8 | 2013-02-15 00:48:33 +0100 | [diff] [blame] | 1325 | break; |
| 1326 | case NL80211_IFTYPE_ADHOC: |
| 1327 | statype = CFG80211_STA_IBSS; |
| 1328 | break; |
| 1329 | case NL80211_IFTYPE_STATION: |
| 1330 | if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) { |
| 1331 | statype = CFG80211_STA_AP_STA; |
| 1332 | break; |
| 1333 | } |
| 1334 | if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) |
| 1335 | statype = CFG80211_STA_TDLS_PEER_ACTIVE; |
| 1336 | else |
| 1337 | statype = CFG80211_STA_TDLS_PEER_SETUP; |
| 1338 | break; |
| 1339 | case NL80211_IFTYPE_AP: |
| 1340 | case NL80211_IFTYPE_AP_VLAN: |
| 1341 | statype = CFG80211_STA_AP_CLIENT; |
| 1342 | break; |
| 1343 | default: |
| 1344 | err = -EOPNOTSUPP; |
| 1345 | goto out_err; |
Johannes Berg | bdd90d5 | 2011-12-14 12:20:27 +0100 | [diff] [blame] | 1346 | } |
| 1347 | |
Johannes Berg | 77ee7c8 | 2013-02-15 00:48:33 +0100 | [diff] [blame] | 1348 | err = cfg80211_check_station_change(wiphy, params, statype); |
| 1349 | if (err) |
| 1350 | goto out_err; |
| 1351 | |
Johannes Berg | d0709a6 | 2008-02-25 16:27:46 +0100 | [diff] [blame] | 1352 | if (params->vlan && params->vlan != sta->sdata->dev) { |
Felix Fietkau | 7e3ed02 | 2012-04-23 19:49:03 +0200 | [diff] [blame] | 1353 | bool prev_4addr = false; |
| 1354 | bool new_4addr = false; |
| 1355 | |
Johannes Berg | 4fd6931 | 2007-12-19 02:03:35 +0100 | [diff] [blame] | 1356 | vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan); |
| 1357 | |
Johannes Berg | 9bc383d | 2009-11-19 11:55:19 +0100 | [diff] [blame] | 1358 | if (params->vlan->ieee80211_ptr->use_4addr) { |
Johannes Berg | 3305443 | 2009-11-20 10:09:14 +0100 | [diff] [blame] | 1359 | if (vlansdata->u.vlan.sta) { |
Johannes Berg | 77ee7c8 | 2013-02-15 00:48:33 +0100 | [diff] [blame] | 1360 | err = -EBUSY; |
| 1361 | goto out_err; |
Johannes Berg | 3305443 | 2009-11-20 10:09:14 +0100 | [diff] [blame] | 1362 | } |
Felix Fietkau | f14543ee | 2009-11-10 20:10:05 +0100 | [diff] [blame] | 1363 | |
Eric Dumazet | cf778b0 | 2012-01-12 04:41:32 +0000 | [diff] [blame] | 1364 | rcu_assign_pointer(vlansdata->u.vlan.sta, sta); |
Felix Fietkau | 7e3ed02 | 2012-04-23 19:49:03 +0200 | [diff] [blame] | 1365 | new_4addr = true; |
| 1366 | } |
| 1367 | |
| 1368 | if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN && |
| 1369 | sta->sdata->u.vlan.sta) { |
Monam Agarwal | 0c2bef46 | 2014-03-24 00:51:43 +0530 | [diff] [blame] | 1370 | RCU_INIT_POINTER(sta->sdata->u.vlan.sta, NULL); |
Felix Fietkau | 7e3ed02 | 2012-04-23 19:49:03 +0200 | [diff] [blame] | 1371 | prev_4addr = true; |
Felix Fietkau | f14543ee | 2009-11-10 20:10:05 +0100 | [diff] [blame] | 1372 | } |
| 1373 | |
Johannes Berg | 14db74b | 2008-07-29 13:22:52 +0200 | [diff] [blame] | 1374 | sta->sdata = vlansdata; |
Felix Fietkau | 7e3ed02 | 2012-04-23 19:49:03 +0200 | [diff] [blame] | 1375 | |
| 1376 | if (sta->sta_state == IEEE80211_STA_AUTHORIZED && |
| 1377 | prev_4addr != new_4addr) { |
| 1378 | if (new_4addr) |
| 1379 | atomic_dec(&sta->sdata->bss->num_mcast_sta); |
| 1380 | else |
| 1381 | atomic_inc(&sta->sdata->bss->num_mcast_sta); |
| 1382 | } |
| 1383 | |
Johannes Berg | 4fd6931 | 2007-12-19 02:03:35 +0100 | [diff] [blame] | 1384 | ieee80211_send_layer2_update(sta); |
| 1385 | } |
| 1386 | |
Eliad Peller | 35b8862 | 2011-12-29 14:41:39 +0200 | [diff] [blame] | 1387 | err = sta_apply_parameters(local, sta, params); |
Johannes Berg | 77ee7c8 | 2013-02-15 00:48:33 +0100 | [diff] [blame] | 1388 | if (err) |
| 1389 | goto out_err; |
Johannes Berg | 4fd6931 | 2007-12-19 02:03:35 +0100 | [diff] [blame] | 1390 | |
Johannes Berg | 87be1e1 | 2011-12-14 12:20:29 +0100 | [diff] [blame] | 1391 | mutex_unlock(&local->sta_mtx); |
Johannes Berg | 98dd6a5 | 2008-04-10 15:36:09 +0200 | [diff] [blame] | 1392 | |
Emmanuel Grumbach | 687da13 | 2013-10-01 16:45:43 +0300 | [diff] [blame] | 1393 | if ((sdata->vif.type == NL80211_IFTYPE_AP || |
| 1394 | sdata->vif.type == NL80211_IFTYPE_AP_VLAN) && |
| 1395 | sta->known_smps_mode != sta->sdata->bss->req_smps && |
| 1396 | test_sta_flag(sta, WLAN_STA_AUTHORIZED) && |
| 1397 | sta_info_tx_streams(sta) != 1) { |
| 1398 | ht_dbg(sta->sdata, |
| 1399 | "%pM just authorized and MIMO capable - update SMPS\n", |
| 1400 | sta->sta.addr); |
| 1401 | ieee80211_send_smps_action(sta->sdata, |
| 1402 | sta->sdata->bss->req_smps, |
| 1403 | sta->sta.addr, |
| 1404 | sta->sdata->vif.bss_conf.bssid); |
| 1405 | } |
| 1406 | |
Jason Young | 808118c | 2011-03-10 16:43:19 -0800 | [diff] [blame] | 1407 | if (sdata->vif.type == NL80211_IFTYPE_STATION && |
Eliad Peller | ab09587 | 2012-07-27 12:33:22 +0300 | [diff] [blame] | 1408 | params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) { |
Jason Young | 808118c | 2011-03-10 16:43:19 -0800 | [diff] [blame] | 1409 | ieee80211_recalc_ps(local, -1); |
Eliad Peller | ab09587 | 2012-07-27 12:33:22 +0300 | [diff] [blame] | 1410 | ieee80211_recalc_ps_vif(sdata); |
| 1411 | } |
Johannes Berg | 77ee7c8 | 2013-02-15 00:48:33 +0100 | [diff] [blame] | 1412 | |
Johannes Berg | 4fd6931 | 2007-12-19 02:03:35 +0100 | [diff] [blame] | 1413 | return 0; |
Johannes Berg | 77ee7c8 | 2013-02-15 00:48:33 +0100 | [diff] [blame] | 1414 | out_err: |
| 1415 | mutex_unlock(&local->sta_mtx); |
| 1416 | return err; |
Johannes Berg | 4fd6931 | 2007-12-19 02:03:35 +0100 | [diff] [blame] | 1417 | } |
| 1418 | |
Luis Carlos Cobo | c5dd9c2 | 2008-02-23 15:17:17 +0100 | [diff] [blame] | 1419 | #ifdef CONFIG_MAC80211_MESH |
| 1420 | static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev, |
Johannes Berg | 3b3a016 | 2014-05-19 17:19:31 +0200 | [diff] [blame] | 1421 | const u8 *dst, const u8 *next_hop) |
Luis Carlos Cobo | c5dd9c2 | 2008-02-23 15:17:17 +0100 | [diff] [blame] | 1422 | { |
Johannes Berg | 14db74b | 2008-07-29 13:22:52 +0200 | [diff] [blame] | 1423 | struct ieee80211_sub_if_data *sdata; |
Luis Carlos Cobo | c5dd9c2 | 2008-02-23 15:17:17 +0100 | [diff] [blame] | 1424 | struct mesh_path *mpath; |
| 1425 | struct sta_info *sta; |
Luis Carlos Cobo | c5dd9c2 | 2008-02-23 15:17:17 +0100 | [diff] [blame] | 1426 | |
Johannes Berg | 14db74b | 2008-07-29 13:22:52 +0200 | [diff] [blame] | 1427 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
| 1428 | |
Johannes Berg | d0709a6 | 2008-02-25 16:27:46 +0100 | [diff] [blame] | 1429 | rcu_read_lock(); |
Johannes Berg | abe6063 | 2009-11-25 17:46:18 +0100 | [diff] [blame] | 1430 | sta = sta_info_get(sdata, next_hop); |
Johannes Berg | d0709a6 | 2008-02-25 16:27:46 +0100 | [diff] [blame] | 1431 | if (!sta) { |
| 1432 | rcu_read_unlock(); |
Luis Carlos Cobo | c5dd9c2 | 2008-02-23 15:17:17 +0100 | [diff] [blame] | 1433 | return -ENOENT; |
Johannes Berg | d0709a6 | 2008-02-25 16:27:46 +0100 | [diff] [blame] | 1434 | } |
Luis Carlos Cobo | c5dd9c2 | 2008-02-23 15:17:17 +0100 | [diff] [blame] | 1435 | |
Bob Copeland | ae76eef | 2013-03-29 09:38:39 -0400 | [diff] [blame] | 1436 | mpath = mesh_path_add(sdata, dst); |
| 1437 | if (IS_ERR(mpath)) { |
Johannes Berg | d0709a6 | 2008-02-25 16:27:46 +0100 | [diff] [blame] | 1438 | rcu_read_unlock(); |
Bob Copeland | ae76eef | 2013-03-29 09:38:39 -0400 | [diff] [blame] | 1439 | return PTR_ERR(mpath); |
Johannes Berg | d0709a6 | 2008-02-25 16:27:46 +0100 | [diff] [blame] | 1440 | } |
Luis Carlos Cobo | c5dd9c2 | 2008-02-23 15:17:17 +0100 | [diff] [blame] | 1441 | |
Luis Carlos Cobo | c5dd9c2 | 2008-02-23 15:17:17 +0100 | [diff] [blame] | 1442 | mesh_path_fix_nexthop(mpath, sta); |
Johannes Berg | d0709a6 | 2008-02-25 16:27:46 +0100 | [diff] [blame] | 1443 | |
Luis Carlos Cobo | c5dd9c2 | 2008-02-23 15:17:17 +0100 | [diff] [blame] | 1444 | rcu_read_unlock(); |
| 1445 | return 0; |
| 1446 | } |
| 1447 | |
| 1448 | static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev, |
Johannes Berg | 3b3a016 | 2014-05-19 17:19:31 +0200 | [diff] [blame] | 1449 | const u8 *dst) |
Luis Carlos Cobo | c5dd9c2 | 2008-02-23 15:17:17 +0100 | [diff] [blame] | 1450 | { |
Jasper Bryant-Greene | f698d85 | 2008-08-03 12:04:37 +1200 | [diff] [blame] | 1451 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
Luis Carlos Cobo | c5dd9c2 | 2008-02-23 15:17:17 +0100 | [diff] [blame] | 1452 | |
Jasper Bryant-Greene | f698d85 | 2008-08-03 12:04:37 +1200 | [diff] [blame] | 1453 | if (dst) |
Johannes Berg | bf7cd94 | 2013-02-15 14:40:31 +0100 | [diff] [blame] | 1454 | return mesh_path_del(sdata, dst); |
Jasper Bryant-Greene | f698d85 | 2008-08-03 12:04:37 +1200 | [diff] [blame] | 1455 | |
Javier Cardona | ece1a2e | 2011-08-29 13:23:04 -0700 | [diff] [blame] | 1456 | mesh_path_flush_by_iface(sdata); |
Luis Carlos Cobo | c5dd9c2 | 2008-02-23 15:17:17 +0100 | [diff] [blame] | 1457 | return 0; |
| 1458 | } |
| 1459 | |
Johannes Berg | 3b3a016 | 2014-05-19 17:19:31 +0200 | [diff] [blame] | 1460 | static int ieee80211_change_mpath(struct wiphy *wiphy, struct net_device *dev, |
| 1461 | const u8 *dst, const u8 *next_hop) |
Luis Carlos Cobo | c5dd9c2 | 2008-02-23 15:17:17 +0100 | [diff] [blame] | 1462 | { |
Johannes Berg | 14db74b | 2008-07-29 13:22:52 +0200 | [diff] [blame] | 1463 | struct ieee80211_sub_if_data *sdata; |
Luis Carlos Cobo | c5dd9c2 | 2008-02-23 15:17:17 +0100 | [diff] [blame] | 1464 | struct mesh_path *mpath; |
| 1465 | struct sta_info *sta; |
| 1466 | |
Johannes Berg | 14db74b | 2008-07-29 13:22:52 +0200 | [diff] [blame] | 1467 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
| 1468 | |
Luis Carlos Cobo | c5dd9c2 | 2008-02-23 15:17:17 +0100 | [diff] [blame] | 1469 | rcu_read_lock(); |
Johannes Berg | d0709a6 | 2008-02-25 16:27:46 +0100 | [diff] [blame] | 1470 | |
Johannes Berg | abe6063 | 2009-11-25 17:46:18 +0100 | [diff] [blame] | 1471 | sta = sta_info_get(sdata, next_hop); |
Johannes Berg | d0709a6 | 2008-02-25 16:27:46 +0100 | [diff] [blame] | 1472 | if (!sta) { |
| 1473 | rcu_read_unlock(); |
| 1474 | return -ENOENT; |
| 1475 | } |
| 1476 | |
Johannes Berg | bf7cd94 | 2013-02-15 14:40:31 +0100 | [diff] [blame] | 1477 | mpath = mesh_path_lookup(sdata, dst); |
Luis Carlos Cobo | c5dd9c2 | 2008-02-23 15:17:17 +0100 | [diff] [blame] | 1478 | if (!mpath) { |
| 1479 | rcu_read_unlock(); |
Luis Carlos Cobo | c5dd9c2 | 2008-02-23 15:17:17 +0100 | [diff] [blame] | 1480 | return -ENOENT; |
| 1481 | } |
| 1482 | |
| 1483 | mesh_path_fix_nexthop(mpath, sta); |
Johannes Berg | d0709a6 | 2008-02-25 16:27:46 +0100 | [diff] [blame] | 1484 | |
Luis Carlos Cobo | c5dd9c2 | 2008-02-23 15:17:17 +0100 | [diff] [blame] | 1485 | rcu_read_unlock(); |
| 1486 | return 0; |
| 1487 | } |
| 1488 | |
| 1489 | static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop, |
| 1490 | struct mpath_info *pinfo) |
| 1491 | { |
Johannes Berg | a3836e0 | 2011-05-12 15:11:37 +0200 | [diff] [blame] | 1492 | struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop); |
| 1493 | |
| 1494 | if (next_hop_sta) |
| 1495 | memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN); |
Luis Carlos Cobo | c5dd9c2 | 2008-02-23 15:17:17 +0100 | [diff] [blame] | 1496 | else |
Joe Perches | c84a67a | 2015-03-02 19:54:57 -0800 | [diff] [blame] | 1497 | eth_zero_addr(next_hop); |
Luis Carlos Cobo | c5dd9c2 | 2008-02-23 15:17:17 +0100 | [diff] [blame] | 1498 | |
LEO Airwarosu Yoichi Shinoda | 7ce8c7a | 2012-08-27 22:28:16 +0900 | [diff] [blame] | 1499 | memset(pinfo, 0, sizeof(*pinfo)); |
| 1500 | |
Johannes Berg | f5ea912 | 2009-08-07 16:17:38 +0200 | [diff] [blame] | 1501 | pinfo->generation = mesh_paths_generation; |
| 1502 | |
Luis Carlos Cobo | c5dd9c2 | 2008-02-23 15:17:17 +0100 | [diff] [blame] | 1503 | pinfo->filled = MPATH_INFO_FRAME_QLEN | |
Rui Paulo | d19b3bf | 2009-11-09 23:46:55 +0000 | [diff] [blame] | 1504 | MPATH_INFO_SN | |
Luis Carlos Cobo | c5dd9c2 | 2008-02-23 15:17:17 +0100 | [diff] [blame] | 1505 | MPATH_INFO_METRIC | |
| 1506 | MPATH_INFO_EXPTIME | |
| 1507 | MPATH_INFO_DISCOVERY_TIMEOUT | |
| 1508 | MPATH_INFO_DISCOVERY_RETRIES | |
| 1509 | MPATH_INFO_FLAGS; |
| 1510 | |
| 1511 | pinfo->frame_qlen = mpath->frame_queue.qlen; |
Rui Paulo | d19b3bf | 2009-11-09 23:46:55 +0000 | [diff] [blame] | 1512 | pinfo->sn = mpath->sn; |
Luis Carlos Cobo | c5dd9c2 | 2008-02-23 15:17:17 +0100 | [diff] [blame] | 1513 | pinfo->metric = mpath->metric; |
| 1514 | if (time_before(jiffies, mpath->exp_time)) |
| 1515 | pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies); |
| 1516 | pinfo->discovery_timeout = |
| 1517 | jiffies_to_msecs(mpath->discovery_timeout); |
| 1518 | pinfo->discovery_retries = mpath->discovery_retries; |
Luis Carlos Cobo | c5dd9c2 | 2008-02-23 15:17:17 +0100 | [diff] [blame] | 1519 | if (mpath->flags & MESH_PATH_ACTIVE) |
| 1520 | pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE; |
| 1521 | if (mpath->flags & MESH_PATH_RESOLVING) |
| 1522 | pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING; |
Rui Paulo | d19b3bf | 2009-11-09 23:46:55 +0000 | [diff] [blame] | 1523 | if (mpath->flags & MESH_PATH_SN_VALID) |
| 1524 | pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID; |
Luis Carlos Cobo | c5dd9c2 | 2008-02-23 15:17:17 +0100 | [diff] [blame] | 1525 | if (mpath->flags & MESH_PATH_FIXED) |
| 1526 | pinfo->flags |= NL80211_MPATH_FLAG_FIXED; |
LEO Airwarosu Yoichi Shinoda | 7ce8c7a | 2012-08-27 22:28:16 +0900 | [diff] [blame] | 1527 | if (mpath->flags & MESH_PATH_RESOLVED) |
| 1528 | pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED; |
Luis Carlos Cobo | c5dd9c2 | 2008-02-23 15:17:17 +0100 | [diff] [blame] | 1529 | } |
| 1530 | |
| 1531 | static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev, |
| 1532 | u8 *dst, u8 *next_hop, struct mpath_info *pinfo) |
| 1533 | |
| 1534 | { |
Johannes Berg | 14db74b | 2008-07-29 13:22:52 +0200 | [diff] [blame] | 1535 | struct ieee80211_sub_if_data *sdata; |
Luis Carlos Cobo | c5dd9c2 | 2008-02-23 15:17:17 +0100 | [diff] [blame] | 1536 | struct mesh_path *mpath; |
| 1537 | |
Johannes Berg | 14db74b | 2008-07-29 13:22:52 +0200 | [diff] [blame] | 1538 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
| 1539 | |
Luis Carlos Cobo | c5dd9c2 | 2008-02-23 15:17:17 +0100 | [diff] [blame] | 1540 | rcu_read_lock(); |
Johannes Berg | bf7cd94 | 2013-02-15 14:40:31 +0100 | [diff] [blame] | 1541 | mpath = mesh_path_lookup(sdata, dst); |
Luis Carlos Cobo | c5dd9c2 | 2008-02-23 15:17:17 +0100 | [diff] [blame] | 1542 | if (!mpath) { |
| 1543 | rcu_read_unlock(); |
| 1544 | return -ENOENT; |
| 1545 | } |
| 1546 | memcpy(dst, mpath->dst, ETH_ALEN); |
| 1547 | mpath_set_pinfo(mpath, next_hop, pinfo); |
| 1548 | rcu_read_unlock(); |
| 1549 | return 0; |
| 1550 | } |
| 1551 | |
| 1552 | static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev, |
Johannes Berg | 3b3a016 | 2014-05-19 17:19:31 +0200 | [diff] [blame] | 1553 | int idx, u8 *dst, u8 *next_hop, |
| 1554 | struct mpath_info *pinfo) |
Luis Carlos Cobo | c5dd9c2 | 2008-02-23 15:17:17 +0100 | [diff] [blame] | 1555 | { |
Johannes Berg | 14db74b | 2008-07-29 13:22:52 +0200 | [diff] [blame] | 1556 | struct ieee80211_sub_if_data *sdata; |
Luis Carlos Cobo | c5dd9c2 | 2008-02-23 15:17:17 +0100 | [diff] [blame] | 1557 | struct mesh_path *mpath; |
| 1558 | |
Johannes Berg | 14db74b | 2008-07-29 13:22:52 +0200 | [diff] [blame] | 1559 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
| 1560 | |
Luis Carlos Cobo | c5dd9c2 | 2008-02-23 15:17:17 +0100 | [diff] [blame] | 1561 | rcu_read_lock(); |
Johannes Berg | bf7cd94 | 2013-02-15 14:40:31 +0100 | [diff] [blame] | 1562 | mpath = mesh_path_lookup_by_idx(sdata, idx); |
Luis Carlos Cobo | c5dd9c2 | 2008-02-23 15:17:17 +0100 | [diff] [blame] | 1563 | if (!mpath) { |
| 1564 | rcu_read_unlock(); |
| 1565 | return -ENOENT; |
| 1566 | } |
| 1567 | memcpy(dst, mpath->dst, ETH_ALEN); |
| 1568 | mpath_set_pinfo(mpath, next_hop, pinfo); |
| 1569 | rcu_read_unlock(); |
| 1570 | return 0; |
| 1571 | } |
colin@cozybit.com | 93da9cc | 2008-10-21 12:03:48 -0700 | [diff] [blame] | 1572 | |
Henning Rogge | a2db2ed | 2014-09-12 08:58:50 +0200 | [diff] [blame] | 1573 | static void mpp_set_pinfo(struct mesh_path *mpath, u8 *mpp, |
| 1574 | struct mpath_info *pinfo) |
| 1575 | { |
| 1576 | memset(pinfo, 0, sizeof(*pinfo)); |
| 1577 | memcpy(mpp, mpath->mpp, ETH_ALEN); |
| 1578 | |
| 1579 | pinfo->generation = mpp_paths_generation; |
| 1580 | } |
| 1581 | |
| 1582 | static int ieee80211_get_mpp(struct wiphy *wiphy, struct net_device *dev, |
| 1583 | u8 *dst, u8 *mpp, struct mpath_info *pinfo) |
| 1584 | |
| 1585 | { |
| 1586 | struct ieee80211_sub_if_data *sdata; |
| 1587 | struct mesh_path *mpath; |
| 1588 | |
| 1589 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
| 1590 | |
| 1591 | rcu_read_lock(); |
| 1592 | mpath = mpp_path_lookup(sdata, dst); |
| 1593 | if (!mpath) { |
| 1594 | rcu_read_unlock(); |
| 1595 | return -ENOENT; |
| 1596 | } |
| 1597 | memcpy(dst, mpath->dst, ETH_ALEN); |
| 1598 | mpp_set_pinfo(mpath, mpp, pinfo); |
| 1599 | rcu_read_unlock(); |
| 1600 | return 0; |
| 1601 | } |
| 1602 | |
| 1603 | static int ieee80211_dump_mpp(struct wiphy *wiphy, struct net_device *dev, |
| 1604 | int idx, u8 *dst, u8 *mpp, |
| 1605 | struct mpath_info *pinfo) |
| 1606 | { |
| 1607 | struct ieee80211_sub_if_data *sdata; |
| 1608 | struct mesh_path *mpath; |
| 1609 | |
| 1610 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
| 1611 | |
| 1612 | rcu_read_lock(); |
| 1613 | mpath = mpp_path_lookup_by_idx(sdata, idx); |
| 1614 | if (!mpath) { |
| 1615 | rcu_read_unlock(); |
| 1616 | return -ENOENT; |
| 1617 | } |
| 1618 | memcpy(dst, mpath->dst, ETH_ALEN); |
| 1619 | mpp_set_pinfo(mpath, mpp, pinfo); |
| 1620 | rcu_read_unlock(); |
| 1621 | return 0; |
| 1622 | } |
| 1623 | |
Javier Cardona | 24bdd9f | 2010-12-16 17:37:48 -0800 | [diff] [blame] | 1624 | static int ieee80211_get_mesh_config(struct wiphy *wiphy, |
colin@cozybit.com | 93da9cc | 2008-10-21 12:03:48 -0700 | [diff] [blame] | 1625 | struct net_device *dev, |
| 1626 | struct mesh_config *conf) |
| 1627 | { |
| 1628 | struct ieee80211_sub_if_data *sdata; |
| 1629 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
| 1630 | |
colin@cozybit.com | 93da9cc | 2008-10-21 12:03:48 -0700 | [diff] [blame] | 1631 | memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config)); |
| 1632 | return 0; |
| 1633 | } |
| 1634 | |
| 1635 | static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask) |
| 1636 | { |
| 1637 | return (mask >> (parm-1)) & 0x1; |
| 1638 | } |
| 1639 | |
Javier Cardona | c80d545 | 2010-12-16 17:37:49 -0800 | [diff] [blame] | 1640 | static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh, |
| 1641 | const struct mesh_setup *setup) |
| 1642 | { |
| 1643 | u8 *new_ie; |
| 1644 | const u8 *old_ie; |
Chun-Yeow Yeoh | 4bb6234 | 2011-11-24 17:15:20 -0800 | [diff] [blame] | 1645 | struct ieee80211_sub_if_data *sdata = container_of(ifmsh, |
| 1646 | struct ieee80211_sub_if_data, u.mesh); |
Javier Cardona | c80d545 | 2010-12-16 17:37:49 -0800 | [diff] [blame] | 1647 | |
Javier Cardona | 581a8b0 | 2011-04-07 15:08:27 -0700 | [diff] [blame] | 1648 | /* allocate information elements */ |
Javier Cardona | c80d545 | 2010-12-16 17:37:49 -0800 | [diff] [blame] | 1649 | new_ie = NULL; |
Javier Cardona | 581a8b0 | 2011-04-07 15:08:27 -0700 | [diff] [blame] | 1650 | old_ie = ifmsh->ie; |
Javier Cardona | c80d545 | 2010-12-16 17:37:49 -0800 | [diff] [blame] | 1651 | |
Javier Cardona | 581a8b0 | 2011-04-07 15:08:27 -0700 | [diff] [blame] | 1652 | if (setup->ie_len) { |
| 1653 | new_ie = kmemdup(setup->ie, setup->ie_len, |
Javier Cardona | c80d545 | 2010-12-16 17:37:49 -0800 | [diff] [blame] | 1654 | GFP_KERNEL); |
| 1655 | if (!new_ie) |
| 1656 | return -ENOMEM; |
| 1657 | } |
Javier Cardona | 581a8b0 | 2011-04-07 15:08:27 -0700 | [diff] [blame] | 1658 | ifmsh->ie_len = setup->ie_len; |
| 1659 | ifmsh->ie = new_ie; |
| 1660 | kfree(old_ie); |
Javier Cardona | c80d545 | 2010-12-16 17:37:49 -0800 | [diff] [blame] | 1661 | |
| 1662 | /* now copy the rest of the setup parameters */ |
| 1663 | ifmsh->mesh_id_len = setup->mesh_id_len; |
| 1664 | memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len); |
Javier Cardona | d299a1f | 2012-03-31 11:31:33 -0700 | [diff] [blame] | 1665 | ifmsh->mesh_sp_id = setup->sync_method; |
Javier Cardona | c80d545 | 2010-12-16 17:37:49 -0800 | [diff] [blame] | 1666 | ifmsh->mesh_pp_id = setup->path_sel_proto; |
| 1667 | ifmsh->mesh_pm_id = setup->path_metric; |
Thomas Pedersen | a6dad6a | 2013-03-04 13:06:12 -0800 | [diff] [blame] | 1668 | ifmsh->user_mpm = setup->user_mpm; |
Colleen Twitty | 0d4261a | 2013-05-08 11:46:00 -0700 | [diff] [blame] | 1669 | ifmsh->mesh_auth_id = setup->auth_id; |
Javier Cardona | b130e5c | 2011-05-03 16:57:07 -0700 | [diff] [blame] | 1670 | ifmsh->security = IEEE80211_MESH_SEC_NONE; |
| 1671 | if (setup->is_authenticated) |
| 1672 | ifmsh->security |= IEEE80211_MESH_SEC_AUTHED; |
| 1673 | if (setup->is_secure) |
| 1674 | ifmsh->security |= IEEE80211_MESH_SEC_SECURED; |
Javier Cardona | c80d545 | 2010-12-16 17:37:49 -0800 | [diff] [blame] | 1675 | |
Chun-Yeow Yeoh | 4bb6234 | 2011-11-24 17:15:20 -0800 | [diff] [blame] | 1676 | /* mcast rate setting in Mesh Node */ |
| 1677 | memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate, |
| 1678 | sizeof(setup->mcast_rate)); |
Ashok Nagarajan | ffb3cf3 | 2013-06-03 10:33:36 -0700 | [diff] [blame] | 1679 | sdata->vif.bss_conf.basic_rates = setup->basic_rates; |
Chun-Yeow Yeoh | 4bb6234 | 2011-11-24 17:15:20 -0800 | [diff] [blame] | 1680 | |
Marco Porsch | 9bdbf04 | 2013-01-07 16:04:51 +0100 | [diff] [blame] | 1681 | sdata->vif.bss_conf.beacon_int = setup->beacon_interval; |
| 1682 | sdata->vif.bss_conf.dtim_period = setup->dtim_period; |
| 1683 | |
Javier Cardona | c80d545 | 2010-12-16 17:37:49 -0800 | [diff] [blame] | 1684 | return 0; |
| 1685 | } |
| 1686 | |
Javier Cardona | 24bdd9f | 2010-12-16 17:37:48 -0800 | [diff] [blame] | 1687 | static int ieee80211_update_mesh_config(struct wiphy *wiphy, |
Johannes Berg | 29cbe68 | 2010-12-03 09:20:44 +0100 | [diff] [blame] | 1688 | struct net_device *dev, u32 mask, |
| 1689 | const struct mesh_config *nconf) |
colin@cozybit.com | 93da9cc | 2008-10-21 12:03:48 -0700 | [diff] [blame] | 1690 | { |
| 1691 | struct mesh_config *conf; |
| 1692 | struct ieee80211_sub_if_data *sdata; |
Rui Paulo | 63c5723 | 2009-11-09 23:46:57 +0000 | [diff] [blame] | 1693 | struct ieee80211_if_mesh *ifmsh; |
| 1694 | |
colin@cozybit.com | 93da9cc | 2008-10-21 12:03:48 -0700 | [diff] [blame] | 1695 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
Rui Paulo | 63c5723 | 2009-11-09 23:46:57 +0000 | [diff] [blame] | 1696 | ifmsh = &sdata->u.mesh; |
colin@cozybit.com | 93da9cc | 2008-10-21 12:03:48 -0700 | [diff] [blame] | 1697 | |
colin@cozybit.com | 93da9cc | 2008-10-21 12:03:48 -0700 | [diff] [blame] | 1698 | /* Set the config options which we are interested in setting */ |
| 1699 | conf = &(sdata->u.mesh.mshcfg); |
| 1700 | if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask)) |
| 1701 | conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout; |
| 1702 | if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask)) |
| 1703 | conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout; |
| 1704 | if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask)) |
| 1705 | conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout; |
| 1706 | if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask)) |
| 1707 | conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks; |
| 1708 | if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask)) |
| 1709 | conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries; |
| 1710 | if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask)) |
| 1711 | conf->dot11MeshTTL = nconf->dot11MeshTTL; |
Javier Cardona | 45904f2 | 2010-12-03 09:20:40 +0100 | [diff] [blame] | 1712 | if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask)) |
Chun-Yeow Yeoh | 58886a9 | 2012-06-15 00:23:53 +0800 | [diff] [blame] | 1713 | conf->element_ttl = nconf->element_ttl; |
Thomas Pedersen | 146bb48 | 2013-03-04 13:06:14 -0800 | [diff] [blame] | 1714 | if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) { |
| 1715 | if (ifmsh->user_mpm) |
| 1716 | return -EBUSY; |
colin@cozybit.com | 93da9cc | 2008-10-21 12:03:48 -0700 | [diff] [blame] | 1717 | conf->auto_open_plinks = nconf->auto_open_plinks; |
Thomas Pedersen | 146bb48 | 2013-03-04 13:06:14 -0800 | [diff] [blame] | 1718 | } |
Javier Cardona | d299a1f | 2012-03-31 11:31:33 -0700 | [diff] [blame] | 1719 | if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask)) |
| 1720 | conf->dot11MeshNbrOffsetMaxNeighbor = |
| 1721 | nconf->dot11MeshNbrOffsetMaxNeighbor; |
colin@cozybit.com | 93da9cc | 2008-10-21 12:03:48 -0700 | [diff] [blame] | 1722 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask)) |
| 1723 | conf->dot11MeshHWMPmaxPREQretries = |
| 1724 | nconf->dot11MeshHWMPmaxPREQretries; |
| 1725 | if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask)) |
| 1726 | conf->path_refresh_time = nconf->path_refresh_time; |
| 1727 | if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask)) |
| 1728 | conf->min_discovery_timeout = nconf->min_discovery_timeout; |
| 1729 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask)) |
| 1730 | conf->dot11MeshHWMPactivePathTimeout = |
| 1731 | nconf->dot11MeshHWMPactivePathTimeout; |
| 1732 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask)) |
| 1733 | conf->dot11MeshHWMPpreqMinInterval = |
| 1734 | nconf->dot11MeshHWMPpreqMinInterval; |
Thomas Pedersen | dca7e94 | 2011-11-24 17:15:24 -0800 | [diff] [blame] | 1735 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask)) |
| 1736 | conf->dot11MeshHWMPperrMinInterval = |
| 1737 | nconf->dot11MeshHWMPperrMinInterval; |
colin@cozybit.com | 93da9cc | 2008-10-21 12:03:48 -0700 | [diff] [blame] | 1738 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, |
| 1739 | mask)) |
| 1740 | conf->dot11MeshHWMPnetDiameterTraversalTime = |
| 1741 | nconf->dot11MeshHWMPnetDiameterTraversalTime; |
Rui Paulo | 63c5723 | 2009-11-09 23:46:57 +0000 | [diff] [blame] | 1742 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) { |
| 1743 | conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode; |
| 1744 | ieee80211_mesh_root_setup(ifmsh); |
| 1745 | } |
Javier Cardona | 16dd726 | 2011-08-09 16:45:11 -0700 | [diff] [blame] | 1746 | if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) { |
Thomas Pedersen | c6133661 | 2011-08-25 10:36:14 -0700 | [diff] [blame] | 1747 | /* our current gate announcement implementation rides on root |
| 1748 | * announcements, so require this ifmsh to also be a root node |
| 1749 | * */ |
| 1750 | if (nconf->dot11MeshGateAnnouncementProtocol && |
Chun-Yeow Yeoh | dbb912c | 2012-06-14 02:06:09 +0800 | [diff] [blame] | 1751 | !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) { |
| 1752 | conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN; |
Thomas Pedersen | c6133661 | 2011-08-25 10:36:14 -0700 | [diff] [blame] | 1753 | ieee80211_mesh_root_setup(ifmsh); |
| 1754 | } |
Javier Cardona | 16dd726 | 2011-08-09 16:45:11 -0700 | [diff] [blame] | 1755 | conf->dot11MeshGateAnnouncementProtocol = |
| 1756 | nconf->dot11MeshGateAnnouncementProtocol; |
| 1757 | } |
Chun-Yeow Yeoh | a4f606e | 2012-06-11 11:59:36 +0800 | [diff] [blame] | 1758 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask)) |
Javier Cardona | 0507e15 | 2011-08-09 16:45:10 -0700 | [diff] [blame] | 1759 | conf->dot11MeshHWMPRannInterval = |
| 1760 | nconf->dot11MeshHWMPRannInterval; |
Chun-Yeow Yeoh | 94f9065 | 2012-01-21 01:02:16 +0800 | [diff] [blame] | 1761 | if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask)) |
| 1762 | conf->dot11MeshForwarding = nconf->dot11MeshForwarding; |
Ashok Nagarajan | 5533513 | 2012-02-28 17:04:08 -0800 | [diff] [blame] | 1763 | if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) { |
| 1764 | /* our RSSI threshold implementation is supported only for |
| 1765 | * devices that report signal in dBm. |
| 1766 | */ |
| 1767 | if (!(sdata->local->hw.flags & IEEE80211_HW_SIGNAL_DBM)) |
| 1768 | return -ENOTSUPP; |
| 1769 | conf->rssi_threshold = nconf->rssi_threshold; |
| 1770 | } |
Ashok Nagarajan | 70c33ea | 2012-04-30 14:20:32 -0700 | [diff] [blame] | 1771 | if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) { |
| 1772 | conf->ht_opmode = nconf->ht_opmode; |
| 1773 | sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode; |
| 1774 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT); |
| 1775 | } |
Chun-Yeow Yeoh | ac1073a | 2012-06-14 02:06:06 +0800 | [diff] [blame] | 1776 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask)) |
| 1777 | conf->dot11MeshHWMPactivePathToRootTimeout = |
| 1778 | nconf->dot11MeshHWMPactivePathToRootTimeout; |
| 1779 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask)) |
| 1780 | conf->dot11MeshHWMProotInterval = |
| 1781 | nconf->dot11MeshHWMProotInterval; |
Chun-Yeow Yeoh | 728b19e | 2012-06-14 02:06:10 +0800 | [diff] [blame] | 1782 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask)) |
| 1783 | conf->dot11MeshHWMPconfirmationInterval = |
| 1784 | nconf->dot11MeshHWMPconfirmationInterval; |
Marco Porsch | 3f52b7e | 2013-01-30 18:14:08 +0100 | [diff] [blame] | 1785 | if (_chg_mesh_attr(NL80211_MESHCONF_POWER_MODE, mask)) { |
| 1786 | conf->power_mode = nconf->power_mode; |
| 1787 | ieee80211_mps_local_status_update(sdata); |
| 1788 | } |
Thomas Pedersen | 2b5e196 | 2013-02-14 11:20:13 -0800 | [diff] [blame] | 1789 | if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW, mask)) |
Marco Porsch | 3f52b7e | 2013-01-30 18:14:08 +0100 | [diff] [blame] | 1790 | conf->dot11MeshAwakeWindowDuration = |
| 1791 | nconf->dot11MeshAwakeWindowDuration; |
Colleen Twitty | 66de671 | 2013-06-03 09:53:40 -0700 | [diff] [blame] | 1792 | if (_chg_mesh_attr(NL80211_MESHCONF_PLINK_TIMEOUT, mask)) |
| 1793 | conf->plink_timeout = nconf->plink_timeout; |
Thomas Pedersen | 2b5e196 | 2013-02-14 11:20:13 -0800 | [diff] [blame] | 1794 | ieee80211_mbss_info_change_notify(sdata, BSS_CHANGED_BEACON); |
colin@cozybit.com | 93da9cc | 2008-10-21 12:03:48 -0700 | [diff] [blame] | 1795 | return 0; |
| 1796 | } |
| 1797 | |
Johannes Berg | 29cbe68 | 2010-12-03 09:20:44 +0100 | [diff] [blame] | 1798 | static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev, |
| 1799 | const struct mesh_config *conf, |
| 1800 | const struct mesh_setup *setup) |
| 1801 | { |
| 1802 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
| 1803 | struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; |
Javier Cardona | c80d545 | 2010-12-16 17:37:49 -0800 | [diff] [blame] | 1804 | int err; |
Johannes Berg | 29cbe68 | 2010-12-03 09:20:44 +0100 | [diff] [blame] | 1805 | |
Javier Cardona | c80d545 | 2010-12-16 17:37:49 -0800 | [diff] [blame] | 1806 | memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config)); |
| 1807 | err = copy_mesh_setup(ifmsh, setup); |
| 1808 | if (err) |
| 1809 | return err; |
Johannes Berg | cc1d280 | 2012-05-16 23:50:20 +0200 | [diff] [blame] | 1810 | |
Johannes Berg | 04ecd25 | 2012-09-11 14:34:12 +0200 | [diff] [blame] | 1811 | /* can mesh use other SMPS modes? */ |
| 1812 | sdata->smps_mode = IEEE80211_SMPS_OFF; |
| 1813 | sdata->needed_rx_chains = sdata->local->rx_chains; |
| 1814 | |
Johannes Berg | 34a3740 | 2013-12-18 09:43:33 +0100 | [diff] [blame] | 1815 | mutex_lock(&sdata->local->mtx); |
Johannes Berg | 4bf8853 | 2012-11-09 11:39:59 +0100 | [diff] [blame] | 1816 | err = ieee80211_vif_use_channel(sdata, &setup->chandef, |
Johannes Berg | 55de908 | 2012-07-26 17:24:39 +0200 | [diff] [blame] | 1817 | IEEE80211_CHANCTX_SHARED); |
Johannes Berg | 34a3740 | 2013-12-18 09:43:33 +0100 | [diff] [blame] | 1818 | mutex_unlock(&sdata->local->mtx); |
Johannes Berg | cc1d280 | 2012-05-16 23:50:20 +0200 | [diff] [blame] | 1819 | if (err) |
| 1820 | return err; |
| 1821 | |
Thomas Pedersen | 2b5e196 | 2013-02-14 11:20:13 -0800 | [diff] [blame] | 1822 | return ieee80211_start_mesh(sdata); |
Johannes Berg | 29cbe68 | 2010-12-03 09:20:44 +0100 | [diff] [blame] | 1823 | } |
| 1824 | |
| 1825 | static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev) |
| 1826 | { |
| 1827 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
| 1828 | |
| 1829 | ieee80211_stop_mesh(sdata); |
Johannes Berg | 34a3740 | 2013-12-18 09:43:33 +0100 | [diff] [blame] | 1830 | mutex_lock(&sdata->local->mtx); |
Johannes Berg | 55de908 | 2012-07-26 17:24:39 +0200 | [diff] [blame] | 1831 | ieee80211_vif_release_channel(sdata); |
Johannes Berg | 34a3740 | 2013-12-18 09:43:33 +0100 | [diff] [blame] | 1832 | mutex_unlock(&sdata->local->mtx); |
Johannes Berg | 29cbe68 | 2010-12-03 09:20:44 +0100 | [diff] [blame] | 1833 | |
| 1834 | return 0; |
| 1835 | } |
Luis Carlos Cobo | c5dd9c2 | 2008-02-23 15:17:17 +0100 | [diff] [blame] | 1836 | #endif |
| 1837 | |
Jouni Malinen | 9f1ba90 | 2008-08-07 20:07:01 +0300 | [diff] [blame] | 1838 | static int ieee80211_change_bss(struct wiphy *wiphy, |
| 1839 | struct net_device *dev, |
| 1840 | struct bss_parameters *params) |
| 1841 | { |
Johannes Berg | 55de908 | 2012-07-26 17:24:39 +0200 | [diff] [blame] | 1842 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
| 1843 | enum ieee80211_band band; |
Jouni Malinen | 9f1ba90 | 2008-08-07 20:07:01 +0300 | [diff] [blame] | 1844 | u32 changed = 0; |
| 1845 | |
Simon Wunderlich | 7ca133b | 2013-11-21 18:19:50 +0100 | [diff] [blame] | 1846 | if (!sdata_dereference(sdata->u.ap.beacon, sdata)) |
Johannes Berg | 55de908 | 2012-07-26 17:24:39 +0200 | [diff] [blame] | 1847 | return -ENOENT; |
| 1848 | |
| 1849 | band = ieee80211_get_sdata_band(sdata); |
Jouni Malinen | 9f1ba90 | 2008-08-07 20:07:01 +0300 | [diff] [blame] | 1850 | |
Jouni Malinen | 9f1ba90 | 2008-08-07 20:07:01 +0300 | [diff] [blame] | 1851 | if (params->use_cts_prot >= 0) { |
Johannes Berg | bda3933 | 2008-10-11 01:51:51 +0200 | [diff] [blame] | 1852 | sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot; |
Jouni Malinen | 9f1ba90 | 2008-08-07 20:07:01 +0300 | [diff] [blame] | 1853 | changed |= BSS_CHANGED_ERP_CTS_PROT; |
| 1854 | } |
| 1855 | if (params->use_short_preamble >= 0) { |
Johannes Berg | bda3933 | 2008-10-11 01:51:51 +0200 | [diff] [blame] | 1856 | sdata->vif.bss_conf.use_short_preamble = |
Jouni Malinen | 9f1ba90 | 2008-08-07 20:07:01 +0300 | [diff] [blame] | 1857 | params->use_short_preamble; |
| 1858 | changed |= BSS_CHANGED_ERP_PREAMBLE; |
| 1859 | } |
Felix Fietkau | 43d3534 | 2010-01-15 03:00:48 +0100 | [diff] [blame] | 1860 | |
| 1861 | if (!sdata->vif.bss_conf.use_short_slot && |
Johannes Berg | 55de908 | 2012-07-26 17:24:39 +0200 | [diff] [blame] | 1862 | band == IEEE80211_BAND_5GHZ) { |
Felix Fietkau | 43d3534 | 2010-01-15 03:00:48 +0100 | [diff] [blame] | 1863 | sdata->vif.bss_conf.use_short_slot = true; |
| 1864 | changed |= BSS_CHANGED_ERP_SLOT; |
| 1865 | } |
| 1866 | |
Jouni Malinen | 9f1ba90 | 2008-08-07 20:07:01 +0300 | [diff] [blame] | 1867 | if (params->use_short_slot_time >= 0) { |
Johannes Berg | bda3933 | 2008-10-11 01:51:51 +0200 | [diff] [blame] | 1868 | sdata->vif.bss_conf.use_short_slot = |
Jouni Malinen | 9f1ba90 | 2008-08-07 20:07:01 +0300 | [diff] [blame] | 1869 | params->use_short_slot_time; |
| 1870 | changed |= BSS_CHANGED_ERP_SLOT; |
| 1871 | } |
| 1872 | |
Jouni Malinen | 90c97a0 | 2008-10-30 16:59:22 +0200 | [diff] [blame] | 1873 | if (params->basic_rates) { |
Simon Wunderlich | 2103dec | 2013-07-08 16:55:53 +0200 | [diff] [blame] | 1874 | ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef, |
| 1875 | wiphy->bands[band], |
| 1876 | params->basic_rates, |
| 1877 | params->basic_rates_len, |
| 1878 | &sdata->vif.bss_conf.basic_rates); |
Jouni Malinen | 90c97a0 | 2008-10-30 16:59:22 +0200 | [diff] [blame] | 1879 | changed |= BSS_CHANGED_BASIC_RATES; |
| 1880 | } |
| 1881 | |
Felix Fietkau | 7b7b5e5 | 2010-04-27 01:23:36 +0200 | [diff] [blame] | 1882 | if (params->ap_isolate >= 0) { |
| 1883 | if (params->ap_isolate) |
| 1884 | sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS; |
| 1885 | else |
| 1886 | sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS; |
| 1887 | } |
| 1888 | |
Helmut Schaa | 80d7e40 | 2010-11-19 12:40:26 +0100 | [diff] [blame] | 1889 | if (params->ht_opmode >= 0) { |
| 1890 | sdata->vif.bss_conf.ht_operation_mode = |
| 1891 | (u16) params->ht_opmode; |
| 1892 | changed |= BSS_CHANGED_HT; |
| 1893 | } |
| 1894 | |
Johannes Berg | 339afbf | 2012-11-14 15:21:17 +0100 | [diff] [blame] | 1895 | if (params->p2p_ctwindow >= 0) { |
Janusz Dziedzic | 67baf66 | 2013-03-21 15:47:56 +0100 | [diff] [blame] | 1896 | sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &= |
| 1897 | ~IEEE80211_P2P_OPPPS_CTWINDOW_MASK; |
| 1898 | sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |= |
| 1899 | params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK; |
Johannes Berg | 339afbf | 2012-11-14 15:21:17 +0100 | [diff] [blame] | 1900 | changed |= BSS_CHANGED_P2P_PS; |
| 1901 | } |
| 1902 | |
Janusz Dziedzic | 67baf66 | 2013-03-21 15:47:56 +0100 | [diff] [blame] | 1903 | if (params->p2p_opp_ps > 0) { |
| 1904 | sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |= |
| 1905 | IEEE80211_P2P_OPPPS_ENABLE_BIT; |
| 1906 | changed |= BSS_CHANGED_P2P_PS; |
| 1907 | } else if (params->p2p_opp_ps == 0) { |
| 1908 | sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &= |
| 1909 | ~IEEE80211_P2P_OPPPS_ENABLE_BIT; |
Johannes Berg | 339afbf | 2012-11-14 15:21:17 +0100 | [diff] [blame] | 1910 | changed |= BSS_CHANGED_P2P_PS; |
| 1911 | } |
| 1912 | |
Jouni Malinen | 9f1ba90 | 2008-08-07 20:07:01 +0300 | [diff] [blame] | 1913 | ieee80211_bss_info_change_notify(sdata, changed); |
| 1914 | |
| 1915 | return 0; |
| 1916 | } |
| 1917 | |
Jouni Malinen | 3188848 | 2008-10-30 16:59:24 +0200 | [diff] [blame] | 1918 | static int ieee80211_set_txq_params(struct wiphy *wiphy, |
Eliad Peller | f70f01c | 2011-09-25 20:06:53 +0300 | [diff] [blame] | 1919 | struct net_device *dev, |
Jouni Malinen | 3188848 | 2008-10-30 16:59:24 +0200 | [diff] [blame] | 1920 | struct ieee80211_txq_params *params) |
| 1921 | { |
| 1922 | struct ieee80211_local *local = wiphy_priv(wiphy); |
Eliad Peller | f6f3def | 2011-09-25 20:06:54 +0300 | [diff] [blame] | 1923 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
Jouni Malinen | 3188848 | 2008-10-30 16:59:24 +0200 | [diff] [blame] | 1924 | struct ieee80211_tx_queue_params p; |
| 1925 | |
| 1926 | if (!local->ops->conf_tx) |
| 1927 | return -EOPNOTSUPP; |
| 1928 | |
Johannes Berg | 54bcbc6 | 2012-03-28 11:04:25 +0200 | [diff] [blame] | 1929 | if (local->hw.queues < IEEE80211_NUM_ACS) |
| 1930 | return -EOPNOTSUPP; |
| 1931 | |
Jouni Malinen | 3188848 | 2008-10-30 16:59:24 +0200 | [diff] [blame] | 1932 | memset(&p, 0, sizeof(p)); |
| 1933 | p.aifs = params->aifs; |
| 1934 | p.cw_max = params->cwmax; |
| 1935 | p.cw_min = params->cwmin; |
| 1936 | p.txop = params->txop; |
Kalle Valo | ab13315 | 2010-01-12 10:42:31 +0200 | [diff] [blame] | 1937 | |
| 1938 | /* |
| 1939 | * Setting tx queue params disables u-apsd because it's only |
| 1940 | * called in master mode. |
| 1941 | */ |
| 1942 | p.uapsd = false; |
| 1943 | |
Johannes Berg | a3304b0 | 2012-03-28 11:04:24 +0200 | [diff] [blame] | 1944 | sdata->tx_conf[params->ac] = p; |
| 1945 | if (drv_conf_tx(local, sdata, params->ac, &p)) { |
Joe Perches | 0fb9a9e | 2010-08-20 16:25:38 -0700 | [diff] [blame] | 1946 | wiphy_debug(local->hw.wiphy, |
Johannes Berg | a3304b0 | 2012-03-28 11:04:24 +0200 | [diff] [blame] | 1947 | "failed to set TX queue parameters for AC %d\n", |
| 1948 | params->ac); |
Jouni Malinen | 3188848 | 2008-10-30 16:59:24 +0200 | [diff] [blame] | 1949 | return -EINVAL; |
| 1950 | } |
| 1951 | |
Johannes Berg | 7d25745 | 2012-07-06 17:37:43 +0200 | [diff] [blame] | 1952 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS); |
| 1953 | |
Jouni Malinen | 3188848 | 2008-10-30 16:59:24 +0200 | [diff] [blame] | 1954 | return 0; |
| 1955 | } |
| 1956 | |
Bob Copeland | 665af4f | 2009-01-19 11:20:53 -0500 | [diff] [blame] | 1957 | #ifdef CONFIG_PM |
Johannes Berg | ff1b6e6 | 2011-05-04 15:37:28 +0200 | [diff] [blame] | 1958 | static int ieee80211_suspend(struct wiphy *wiphy, |
| 1959 | struct cfg80211_wowlan *wowlan) |
Bob Copeland | 665af4f | 2009-01-19 11:20:53 -0500 | [diff] [blame] | 1960 | { |
Johannes Berg | eecc480 | 2011-05-04 15:37:29 +0200 | [diff] [blame] | 1961 | return __ieee80211_suspend(wiphy_priv(wiphy), wowlan); |
Bob Copeland | 665af4f | 2009-01-19 11:20:53 -0500 | [diff] [blame] | 1962 | } |
| 1963 | |
| 1964 | static int ieee80211_resume(struct wiphy *wiphy) |
| 1965 | { |
| 1966 | return __ieee80211_resume(wiphy_priv(wiphy)); |
| 1967 | } |
| 1968 | #else |
| 1969 | #define ieee80211_suspend NULL |
| 1970 | #define ieee80211_resume NULL |
| 1971 | #endif |
| 1972 | |
Johannes Berg | 2a51931 | 2009-02-10 21:25:55 +0100 | [diff] [blame] | 1973 | static int ieee80211_scan(struct wiphy *wiphy, |
Johannes Berg | 2a51931 | 2009-02-10 21:25:55 +0100 | [diff] [blame] | 1974 | struct cfg80211_scan_request *req) |
| 1975 | { |
Johannes Berg | fd01428 | 2012-06-18 19:17:03 +0200 | [diff] [blame] | 1976 | struct ieee80211_sub_if_data *sdata; |
| 1977 | |
| 1978 | sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev); |
Johannes Berg | 2a51931 | 2009-02-10 21:25:55 +0100 | [diff] [blame] | 1979 | |
Johannes Berg | 2ca27bc | 2010-09-16 14:58:23 +0200 | [diff] [blame] | 1980 | switch (ieee80211_vif_type_p2p(&sdata->vif)) { |
| 1981 | case NL80211_IFTYPE_STATION: |
| 1982 | case NL80211_IFTYPE_ADHOC: |
| 1983 | case NL80211_IFTYPE_MESH_POINT: |
| 1984 | case NL80211_IFTYPE_P2P_CLIENT: |
Johannes Berg | f142c6b | 2012-06-18 20:07:15 +0200 | [diff] [blame] | 1985 | case NL80211_IFTYPE_P2P_DEVICE: |
Johannes Berg | 2ca27bc | 2010-09-16 14:58:23 +0200 | [diff] [blame] | 1986 | break; |
| 1987 | case NL80211_IFTYPE_P2P_GO: |
| 1988 | if (sdata->local->ops->hw_scan) |
| 1989 | break; |
Johannes Berg | e9d7732 | 2011-02-01 15:35:36 +0100 | [diff] [blame] | 1990 | /* |
| 1991 | * FIXME: implement NoA while scanning in software, |
| 1992 | * for now fall through to allow scanning only when |
| 1993 | * beaconing hasn't been configured yet |
| 1994 | */ |
Johannes Berg | 2ca27bc | 2010-09-16 14:58:23 +0200 | [diff] [blame] | 1995 | case NL80211_IFTYPE_AP: |
Antonio Quartulli | 5c95b94 | 2012-10-16 08:39:22 +0200 | [diff] [blame] | 1996 | /* |
| 1997 | * If the scan has been forced (and the driver supports |
| 1998 | * forcing), don't care about being beaconing already. |
| 1999 | * This will create problems to the attached stations (e.g. all |
| 2000 | * the frames sent while scanning on other channel will be |
| 2001 | * lost) |
| 2002 | */ |
| 2003 | if (sdata->u.ap.beacon && |
| 2004 | (!(wiphy->features & NL80211_FEATURE_AP_SCAN) || |
| 2005 | !(req->flags & NL80211_SCAN_FLAG_AP))) |
Johannes Berg | 2ca27bc | 2010-09-16 14:58:23 +0200 | [diff] [blame] | 2006 | return -EOPNOTSUPP; |
| 2007 | break; |
| 2008 | default: |
| 2009 | return -EOPNOTSUPP; |
| 2010 | } |
Johannes Berg | 2a51931 | 2009-02-10 21:25:55 +0100 | [diff] [blame] | 2011 | |
| 2012 | return ieee80211_request_scan(sdata, req); |
| 2013 | } |
| 2014 | |
Luciano Coelho | 79f460c | 2011-05-11 17:09:36 +0300 | [diff] [blame] | 2015 | static int |
| 2016 | ieee80211_sched_scan_start(struct wiphy *wiphy, |
| 2017 | struct net_device *dev, |
| 2018 | struct cfg80211_sched_scan_request *req) |
| 2019 | { |
| 2020 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
| 2021 | |
| 2022 | if (!sdata->local->ops->sched_scan_start) |
| 2023 | return -EOPNOTSUPP; |
| 2024 | |
| 2025 | return ieee80211_request_sched_scan_start(sdata, req); |
| 2026 | } |
| 2027 | |
| 2028 | static int |
Luciano Coelho | 85a9994 | 2011-05-12 16:28:29 +0300 | [diff] [blame] | 2029 | ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev) |
Luciano Coelho | 79f460c | 2011-05-11 17:09:36 +0300 | [diff] [blame] | 2030 | { |
| 2031 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
| 2032 | |
| 2033 | if (!sdata->local->ops->sched_scan_stop) |
| 2034 | return -EOPNOTSUPP; |
| 2035 | |
Luciano Coelho | 85a9994 | 2011-05-12 16:28:29 +0300 | [diff] [blame] | 2036 | return ieee80211_request_sched_scan_stop(sdata); |
Luciano Coelho | 79f460c | 2011-05-11 17:09:36 +0300 | [diff] [blame] | 2037 | } |
| 2038 | |
Jouni Malinen | 636a5d3 | 2009-03-19 13:39:22 +0200 | [diff] [blame] | 2039 | static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev, |
| 2040 | struct cfg80211_auth_request *req) |
| 2041 | { |
Johannes Berg | 77fdaa1 | 2009-07-07 03:45:17 +0200 | [diff] [blame] | 2042 | return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req); |
Jouni Malinen | 636a5d3 | 2009-03-19 13:39:22 +0200 | [diff] [blame] | 2043 | } |
| 2044 | |
| 2045 | static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev, |
| 2046 | struct cfg80211_assoc_request *req) |
| 2047 | { |
Johannes Berg | 77fdaa1 | 2009-07-07 03:45:17 +0200 | [diff] [blame] | 2048 | return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req); |
Jouni Malinen | 636a5d3 | 2009-03-19 13:39:22 +0200 | [diff] [blame] | 2049 | } |
| 2050 | |
| 2051 | static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev, |
Johannes Berg | 63c9c5e | 2012-02-24 13:50:51 +0100 | [diff] [blame] | 2052 | struct cfg80211_deauth_request *req) |
Jouni Malinen | 636a5d3 | 2009-03-19 13:39:22 +0200 | [diff] [blame] | 2053 | { |
Johannes Berg | 63c9c5e | 2012-02-24 13:50:51 +0100 | [diff] [blame] | 2054 | return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req); |
Jouni Malinen | 636a5d3 | 2009-03-19 13:39:22 +0200 | [diff] [blame] | 2055 | } |
| 2056 | |
| 2057 | static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev, |
Johannes Berg | 63c9c5e | 2012-02-24 13:50:51 +0100 | [diff] [blame] | 2058 | struct cfg80211_disassoc_request *req) |
Jouni Malinen | 636a5d3 | 2009-03-19 13:39:22 +0200 | [diff] [blame] | 2059 | { |
Johannes Berg | 63c9c5e | 2012-02-24 13:50:51 +0100 | [diff] [blame] | 2060 | return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req); |
Jouni Malinen | 636a5d3 | 2009-03-19 13:39:22 +0200 | [diff] [blame] | 2061 | } |
| 2062 | |
Johannes Berg | af8cdcd | 2009-04-19 21:25:43 +0200 | [diff] [blame] | 2063 | static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev, |
| 2064 | struct cfg80211_ibss_params *params) |
| 2065 | { |
Johannes Berg | 55de908 | 2012-07-26 17:24:39 +0200 | [diff] [blame] | 2066 | return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params); |
Johannes Berg | af8cdcd | 2009-04-19 21:25:43 +0200 | [diff] [blame] | 2067 | } |
| 2068 | |
| 2069 | static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev) |
| 2070 | { |
Johannes Berg | 55de908 | 2012-07-26 17:24:39 +0200 | [diff] [blame] | 2071 | return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev)); |
Johannes Berg | af8cdcd | 2009-04-19 21:25:43 +0200 | [diff] [blame] | 2072 | } |
| 2073 | |
Rostislav Lisovy | 239281f | 2014-11-03 10:33:19 +0100 | [diff] [blame] | 2074 | static int ieee80211_join_ocb(struct wiphy *wiphy, struct net_device *dev, |
| 2075 | struct ocb_setup *setup) |
| 2076 | { |
| 2077 | return ieee80211_ocb_join(IEEE80211_DEV_TO_SUB_IF(dev), setup); |
| 2078 | } |
| 2079 | |
| 2080 | static int ieee80211_leave_ocb(struct wiphy *wiphy, struct net_device *dev) |
| 2081 | { |
| 2082 | return ieee80211_ocb_leave(IEEE80211_DEV_TO_SUB_IF(dev)); |
| 2083 | } |
| 2084 | |
Antonio Quartulli | 391e53e | 2012-11-02 13:27:49 +0100 | [diff] [blame] | 2085 | static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev, |
| 2086 | int rate[IEEE80211_NUM_BANDS]) |
| 2087 | { |
| 2088 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
| 2089 | |
Cong Ding | 9887dbf | 2013-02-06 17:23:45 +0100 | [diff] [blame] | 2090 | memcpy(sdata->vif.bss_conf.mcast_rate, rate, |
| 2091 | sizeof(int) * IEEE80211_NUM_BANDS); |
Antonio Quartulli | 391e53e | 2012-11-02 13:27:49 +0100 | [diff] [blame] | 2092 | |
| 2093 | return 0; |
| 2094 | } |
| 2095 | |
Jouni Malinen | b9a5f8ca | 2009-04-20 18:39:05 +0200 | [diff] [blame] | 2096 | static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed) |
| 2097 | { |
| 2098 | struct ieee80211_local *local = wiphy_priv(wiphy); |
Johannes Berg | 2448798 | 2009-04-23 18:52:52 +0200 | [diff] [blame] | 2099 | int err; |
Jouni Malinen | b9a5f8ca | 2009-04-20 18:39:05 +0200 | [diff] [blame] | 2100 | |
Arik Nemtsov | f23a478 | 2010-11-08 11:51:06 +0200 | [diff] [blame] | 2101 | if (changed & WIPHY_PARAM_FRAG_THRESHOLD) { |
| 2102 | err = drv_set_frag_threshold(local, wiphy->frag_threshold); |
| 2103 | |
| 2104 | if (err) |
| 2105 | return err; |
| 2106 | } |
| 2107 | |
Lorenzo Bianconi | a4bcaf5 | 2014-09-04 23:57:41 +0200 | [diff] [blame] | 2108 | if ((changed & WIPHY_PARAM_COVERAGE_CLASS) || |
| 2109 | (changed & WIPHY_PARAM_DYN_ACK)) { |
| 2110 | s16 coverage_class; |
| 2111 | |
| 2112 | coverage_class = changed & WIPHY_PARAM_COVERAGE_CLASS ? |
| 2113 | wiphy->coverage_class : -1; |
| 2114 | err = drv_set_coverage_class(local, coverage_class); |
Lukáš Turek | 310bc67 | 2009-12-21 22:50:48 +0100 | [diff] [blame] | 2115 | |
| 2116 | if (err) |
| 2117 | return err; |
| 2118 | } |
| 2119 | |
Jouni Malinen | b9a5f8ca | 2009-04-20 18:39:05 +0200 | [diff] [blame] | 2120 | if (changed & WIPHY_PARAM_RTS_THRESHOLD) { |
Johannes Berg | 2448798 | 2009-04-23 18:52:52 +0200 | [diff] [blame] | 2121 | err = drv_set_rts_threshold(local, wiphy->rts_threshold); |
Jouni Malinen | b9a5f8ca | 2009-04-20 18:39:05 +0200 | [diff] [blame] | 2122 | |
Johannes Berg | 2448798 | 2009-04-23 18:52:52 +0200 | [diff] [blame] | 2123 | if (err) |
| 2124 | return err; |
Jouni Malinen | b9a5f8ca | 2009-04-20 18:39:05 +0200 | [diff] [blame] | 2125 | } |
| 2126 | |
Johannes Berg | 8bc83c2 | 2012-11-09 18:38:32 +0100 | [diff] [blame] | 2127 | if (changed & WIPHY_PARAM_RETRY_SHORT) { |
| 2128 | if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY) |
| 2129 | return -EINVAL; |
Jouni Malinen | b9a5f8ca | 2009-04-20 18:39:05 +0200 | [diff] [blame] | 2130 | local->hw.conf.short_frame_max_tx_count = wiphy->retry_short; |
Johannes Berg | 8bc83c2 | 2012-11-09 18:38:32 +0100 | [diff] [blame] | 2131 | } |
| 2132 | if (changed & WIPHY_PARAM_RETRY_LONG) { |
| 2133 | if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY) |
| 2134 | return -EINVAL; |
Jouni Malinen | b9a5f8ca | 2009-04-20 18:39:05 +0200 | [diff] [blame] | 2135 | local->hw.conf.long_frame_max_tx_count = wiphy->retry_long; |
Johannes Berg | 8bc83c2 | 2012-11-09 18:38:32 +0100 | [diff] [blame] | 2136 | } |
Jouni Malinen | b9a5f8ca | 2009-04-20 18:39:05 +0200 | [diff] [blame] | 2137 | if (changed & |
| 2138 | (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG)) |
| 2139 | ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS); |
| 2140 | |
| 2141 | return 0; |
| 2142 | } |
| 2143 | |
Johannes Berg | 7643a2c | 2009-06-02 13:01:39 +0200 | [diff] [blame] | 2144 | static int ieee80211_set_tx_power(struct wiphy *wiphy, |
Johannes Berg | c844211 | 2012-10-24 10:17:18 +0200 | [diff] [blame] | 2145 | struct wireless_dev *wdev, |
Juuso Oikarinen | fa61cf7 | 2010-06-23 12:12:37 +0300 | [diff] [blame] | 2146 | enum nl80211_tx_power_setting type, int mbm) |
Johannes Berg | 7643a2c | 2009-06-02 13:01:39 +0200 | [diff] [blame] | 2147 | { |
| 2148 | struct ieee80211_local *local = wiphy_priv(wiphy); |
Johannes Berg | 1ea6f9c | 2012-10-24 10:59:25 +0200 | [diff] [blame] | 2149 | struct ieee80211_sub_if_data *sdata; |
Lorenzo Bianconi | db82d8a | 2015-01-14 12:55:08 +0100 | [diff] [blame] | 2150 | enum nl80211_tx_power_setting txp_type = type; |
| 2151 | bool update_txp_type = false; |
Johannes Berg | 7643a2c | 2009-06-02 13:01:39 +0200 | [diff] [blame] | 2152 | |
Johannes Berg | 1ea6f9c | 2012-10-24 10:59:25 +0200 | [diff] [blame] | 2153 | if (wdev) { |
| 2154 | sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); |
| 2155 | |
| 2156 | switch (type) { |
| 2157 | case NL80211_TX_POWER_AUTOMATIC: |
| 2158 | sdata->user_power_level = IEEE80211_UNSET_POWER_LEVEL; |
Lorenzo Bianconi | db82d8a | 2015-01-14 12:55:08 +0100 | [diff] [blame] | 2159 | txp_type = NL80211_TX_POWER_LIMITED; |
Johannes Berg | 1ea6f9c | 2012-10-24 10:59:25 +0200 | [diff] [blame] | 2160 | break; |
| 2161 | case NL80211_TX_POWER_LIMITED: |
| 2162 | case NL80211_TX_POWER_FIXED: |
| 2163 | if (mbm < 0 || (mbm % 100)) |
| 2164 | return -EOPNOTSUPP; |
| 2165 | sdata->user_power_level = MBM_TO_DBM(mbm); |
| 2166 | break; |
| 2167 | } |
| 2168 | |
Lorenzo Bianconi | db82d8a | 2015-01-14 12:55:08 +0100 | [diff] [blame] | 2169 | if (txp_type != sdata->vif.bss_conf.txpower_type) { |
| 2170 | update_txp_type = true; |
| 2171 | sdata->vif.bss_conf.txpower_type = txp_type; |
| 2172 | } |
| 2173 | |
| 2174 | ieee80211_recalc_txpower(sdata, update_txp_type); |
Johannes Berg | 1ea6f9c | 2012-10-24 10:59:25 +0200 | [diff] [blame] | 2175 | |
| 2176 | return 0; |
| 2177 | } |
Johannes Berg | 55de908 | 2012-07-26 17:24:39 +0200 | [diff] [blame] | 2178 | |
Johannes Berg | 7643a2c | 2009-06-02 13:01:39 +0200 | [diff] [blame] | 2179 | switch (type) { |
Juuso Oikarinen | fa61cf7 | 2010-06-23 12:12:37 +0300 | [diff] [blame] | 2180 | case NL80211_TX_POWER_AUTOMATIC: |
Johannes Berg | 1ea6f9c | 2012-10-24 10:59:25 +0200 | [diff] [blame] | 2181 | local->user_power_level = IEEE80211_UNSET_POWER_LEVEL; |
Lorenzo Bianconi | db82d8a | 2015-01-14 12:55:08 +0100 | [diff] [blame] | 2182 | txp_type = NL80211_TX_POWER_LIMITED; |
Johannes Berg | 7643a2c | 2009-06-02 13:01:39 +0200 | [diff] [blame] | 2183 | break; |
Juuso Oikarinen | fa61cf7 | 2010-06-23 12:12:37 +0300 | [diff] [blame] | 2184 | case NL80211_TX_POWER_LIMITED: |
Juuso Oikarinen | fa61cf7 | 2010-06-23 12:12:37 +0300 | [diff] [blame] | 2185 | case NL80211_TX_POWER_FIXED: |
| 2186 | if (mbm < 0 || (mbm % 100)) |
| 2187 | return -EOPNOTSUPP; |
Juuso Oikarinen | fa61cf7 | 2010-06-23 12:12:37 +0300 | [diff] [blame] | 2188 | local->user_power_level = MBM_TO_DBM(mbm); |
Johannes Berg | 7643a2c | 2009-06-02 13:01:39 +0200 | [diff] [blame] | 2189 | break; |
Johannes Berg | 7643a2c | 2009-06-02 13:01:39 +0200 | [diff] [blame] | 2190 | } |
| 2191 | |
Johannes Berg | 1ea6f9c | 2012-10-24 10:59:25 +0200 | [diff] [blame] | 2192 | mutex_lock(&local->iflist_mtx); |
Lorenzo Bianconi | db82d8a | 2015-01-14 12:55:08 +0100 | [diff] [blame] | 2193 | list_for_each_entry(sdata, &local->interfaces, list) { |
Johannes Berg | 1ea6f9c | 2012-10-24 10:59:25 +0200 | [diff] [blame] | 2194 | sdata->user_power_level = local->user_power_level; |
Lorenzo Bianconi | db82d8a | 2015-01-14 12:55:08 +0100 | [diff] [blame] | 2195 | if (txp_type != sdata->vif.bss_conf.txpower_type) |
| 2196 | update_txp_type = true; |
| 2197 | sdata->vif.bss_conf.txpower_type = txp_type; |
| 2198 | } |
Johannes Berg | 1ea6f9c | 2012-10-24 10:59:25 +0200 | [diff] [blame] | 2199 | list_for_each_entry(sdata, &local->interfaces, list) |
Lorenzo Bianconi | db82d8a | 2015-01-14 12:55:08 +0100 | [diff] [blame] | 2200 | ieee80211_recalc_txpower(sdata, update_txp_type); |
Johannes Berg | 1ea6f9c | 2012-10-24 10:59:25 +0200 | [diff] [blame] | 2201 | mutex_unlock(&local->iflist_mtx); |
Johannes Berg | 7643a2c | 2009-06-02 13:01:39 +0200 | [diff] [blame] | 2202 | |
| 2203 | return 0; |
| 2204 | } |
| 2205 | |
Johannes Berg | c844211 | 2012-10-24 10:17:18 +0200 | [diff] [blame] | 2206 | static int ieee80211_get_tx_power(struct wiphy *wiphy, |
| 2207 | struct wireless_dev *wdev, |
| 2208 | int *dbm) |
Johannes Berg | 7643a2c | 2009-06-02 13:01:39 +0200 | [diff] [blame] | 2209 | { |
| 2210 | struct ieee80211_local *local = wiphy_priv(wiphy); |
Johannes Berg | 1ea6f9c | 2012-10-24 10:59:25 +0200 | [diff] [blame] | 2211 | struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); |
Johannes Berg | 7643a2c | 2009-06-02 13:01:39 +0200 | [diff] [blame] | 2212 | |
Felix Fietkau | 5b3dc42 | 2014-10-26 00:32:53 +0200 | [diff] [blame] | 2213 | if (local->ops->get_txpower) |
| 2214 | return drv_get_txpower(local, sdata, dbm); |
| 2215 | |
Johannes Berg | 1ea6f9c | 2012-10-24 10:59:25 +0200 | [diff] [blame] | 2216 | if (!local->use_chanctx) |
| 2217 | *dbm = local->hw.conf.power_level; |
| 2218 | else |
| 2219 | *dbm = sdata->vif.bss_conf.txpower; |
Johannes Berg | 7643a2c | 2009-06-02 13:01:39 +0200 | [diff] [blame] | 2220 | |
Johannes Berg | 7643a2c | 2009-06-02 13:01:39 +0200 | [diff] [blame] | 2221 | return 0; |
| 2222 | } |
| 2223 | |
Johannes Berg | ab737a4 | 2009-07-01 21:26:58 +0200 | [diff] [blame] | 2224 | static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev, |
Johannes Berg | 388ac77 | 2010-10-07 13:11:09 +0200 | [diff] [blame] | 2225 | const u8 *addr) |
Johannes Berg | ab737a4 | 2009-07-01 21:26:58 +0200 | [diff] [blame] | 2226 | { |
| 2227 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
| 2228 | |
| 2229 | memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN); |
| 2230 | |
| 2231 | return 0; |
| 2232 | } |
| 2233 | |
Johannes Berg | 1f87f7d | 2009-06-02 13:01:41 +0200 | [diff] [blame] | 2234 | static void ieee80211_rfkill_poll(struct wiphy *wiphy) |
| 2235 | { |
| 2236 | struct ieee80211_local *local = wiphy_priv(wiphy); |
| 2237 | |
| 2238 | drv_rfkill_poll(local); |
| 2239 | } |
| 2240 | |
Johannes Berg | aff89a9 | 2009-07-01 21:26:51 +0200 | [diff] [blame] | 2241 | #ifdef CONFIG_NL80211_TESTMODE |
David Spinadel | fc73f11 | 2013-07-31 18:04:15 +0300 | [diff] [blame] | 2242 | static int ieee80211_testmode_cmd(struct wiphy *wiphy, |
| 2243 | struct wireless_dev *wdev, |
| 2244 | void *data, int len) |
Johannes Berg | aff89a9 | 2009-07-01 21:26:51 +0200 | [diff] [blame] | 2245 | { |
| 2246 | struct ieee80211_local *local = wiphy_priv(wiphy); |
David Spinadel | 52981cd | 2013-07-31 18:06:22 +0300 | [diff] [blame] | 2247 | struct ieee80211_vif *vif = NULL; |
Johannes Berg | aff89a9 | 2009-07-01 21:26:51 +0200 | [diff] [blame] | 2248 | |
| 2249 | if (!local->ops->testmode_cmd) |
| 2250 | return -EOPNOTSUPP; |
| 2251 | |
David Spinadel | 52981cd | 2013-07-31 18:06:22 +0300 | [diff] [blame] | 2252 | if (wdev) { |
| 2253 | struct ieee80211_sub_if_data *sdata; |
| 2254 | |
| 2255 | sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); |
| 2256 | if (sdata->flags & IEEE80211_SDATA_IN_DRIVER) |
| 2257 | vif = &sdata->vif; |
| 2258 | } |
| 2259 | |
| 2260 | return local->ops->testmode_cmd(&local->hw, vif, data, len); |
Johannes Berg | aff89a9 | 2009-07-01 21:26:51 +0200 | [diff] [blame] | 2261 | } |
Wey-Yi Guy | 71063f0 | 2011-05-20 09:05:54 -0700 | [diff] [blame] | 2262 | |
| 2263 | static int ieee80211_testmode_dump(struct wiphy *wiphy, |
| 2264 | struct sk_buff *skb, |
| 2265 | struct netlink_callback *cb, |
| 2266 | void *data, int len) |
| 2267 | { |
| 2268 | struct ieee80211_local *local = wiphy_priv(wiphy); |
| 2269 | |
| 2270 | if (!local->ops->testmode_dump) |
| 2271 | return -EOPNOTSUPP; |
| 2272 | |
| 2273 | return local->ops->testmode_dump(&local->hw, skb, cb, data, len); |
| 2274 | } |
Johannes Berg | aff89a9 | 2009-07-01 21:26:51 +0200 | [diff] [blame] | 2275 | #endif |
| 2276 | |
Emmanuel Grumbach | 687da13 | 2013-10-01 16:45:43 +0300 | [diff] [blame] | 2277 | int __ieee80211_request_smps_ap(struct ieee80211_sub_if_data *sdata, |
| 2278 | enum ieee80211_smps_mode smps_mode) |
| 2279 | { |
| 2280 | struct sta_info *sta; |
| 2281 | enum ieee80211_smps_mode old_req; |
Emmanuel Grumbach | 687da13 | 2013-10-01 16:45:43 +0300 | [diff] [blame] | 2282 | |
| 2283 | if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_AP)) |
| 2284 | return -EINVAL; |
| 2285 | |
| 2286 | if (sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT) |
| 2287 | return 0; |
| 2288 | |
| 2289 | old_req = sdata->u.ap.req_smps; |
| 2290 | sdata->u.ap.req_smps = smps_mode; |
| 2291 | |
| 2292 | /* AUTOMATIC doesn't mean much for AP - don't allow it */ |
| 2293 | if (old_req == smps_mode || |
| 2294 | smps_mode == IEEE80211_SMPS_AUTOMATIC) |
| 2295 | return 0; |
| 2296 | |
| 2297 | /* If no associated stations, there's no need to do anything */ |
| 2298 | if (!atomic_read(&sdata->u.ap.num_mcast_sta)) { |
| 2299 | sdata->smps_mode = smps_mode; |
| 2300 | ieee80211_queue_work(&sdata->local->hw, &sdata->recalc_smps); |
| 2301 | return 0; |
| 2302 | } |
| 2303 | |
| 2304 | ht_dbg(sdata, |
Michael Braun | 6a8b4ad | 2015-03-18 07:17:37 +0100 | [diff] [blame] | 2305 | "SMPS %d requested in AP mode, sending Action frame to %d stations\n", |
Emmanuel Grumbach | 687da13 | 2013-10-01 16:45:43 +0300 | [diff] [blame] | 2306 | smps_mode, atomic_read(&sdata->u.ap.num_mcast_sta)); |
| 2307 | |
| 2308 | mutex_lock(&sdata->local->sta_mtx); |
Johannes Berg | 7d9bb2f | 2015-02-13 21:31:07 +0100 | [diff] [blame] | 2309 | list_for_each_entry(sta, &sdata->local->sta_list, list) { |
| 2310 | /* |
| 2311 | * Only stations associated to our AP and |
| 2312 | * associated VLANs |
| 2313 | */ |
| 2314 | if (sta->sdata->bss != &sdata->u.ap) |
| 2315 | continue; |
Emmanuel Grumbach | 687da13 | 2013-10-01 16:45:43 +0300 | [diff] [blame] | 2316 | |
Johannes Berg | 7d9bb2f | 2015-02-13 21:31:07 +0100 | [diff] [blame] | 2317 | /* This station doesn't support MIMO - skip it */ |
| 2318 | if (sta_info_tx_streams(sta) == 1) |
| 2319 | continue; |
Emmanuel Grumbach | 687da13 | 2013-10-01 16:45:43 +0300 | [diff] [blame] | 2320 | |
Johannes Berg | 7d9bb2f | 2015-02-13 21:31:07 +0100 | [diff] [blame] | 2321 | /* |
| 2322 | * Don't wake up a STA just to send the action frame |
| 2323 | * unless we are getting more restrictive. |
| 2324 | */ |
| 2325 | if (test_sta_flag(sta, WLAN_STA_PS_STA) && |
| 2326 | !ieee80211_smps_is_restrictive(sta->known_smps_mode, |
| 2327 | smps_mode)) { |
| 2328 | ht_dbg(sdata, "Won't send SMPS to sleeping STA %pM\n", |
| 2329 | sta->sta.addr); |
| 2330 | continue; |
Emmanuel Grumbach | 687da13 | 2013-10-01 16:45:43 +0300 | [diff] [blame] | 2331 | } |
Johannes Berg | 7d9bb2f | 2015-02-13 21:31:07 +0100 | [diff] [blame] | 2332 | |
| 2333 | /* |
| 2334 | * If the STA is not authorized, wait until it gets |
| 2335 | * authorized and the action frame will be sent then. |
| 2336 | */ |
| 2337 | if (!test_sta_flag(sta, WLAN_STA_AUTHORIZED)) |
| 2338 | continue; |
| 2339 | |
| 2340 | ht_dbg(sdata, "Sending SMPS to %pM\n", sta->sta.addr); |
| 2341 | ieee80211_send_smps_action(sdata, smps_mode, sta->sta.addr, |
| 2342 | sdata->vif.bss_conf.bssid); |
Emmanuel Grumbach | 687da13 | 2013-10-01 16:45:43 +0300 | [diff] [blame] | 2343 | } |
| 2344 | mutex_unlock(&sdata->local->sta_mtx); |
| 2345 | |
| 2346 | sdata->smps_mode = smps_mode; |
| 2347 | ieee80211_queue_work(&sdata->local->hw, &sdata->recalc_smps); |
| 2348 | |
| 2349 | return 0; |
| 2350 | } |
| 2351 | |
| 2352 | int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata, |
| 2353 | enum ieee80211_smps_mode smps_mode) |
Johannes Berg | 0f78231 | 2009-12-01 13:37:02 +0100 | [diff] [blame] | 2354 | { |
| 2355 | const u8 *ap; |
| 2356 | enum ieee80211_smps_mode old_req; |
| 2357 | int err; |
| 2358 | |
Johannes Berg | 8d61ffa | 2013-05-10 12:32:47 +0200 | [diff] [blame] | 2359 | lockdep_assert_held(&sdata->wdev.mtx); |
Johannes Berg | 243e6df | 2011-04-19 20:44:04 +0200 | [diff] [blame] | 2360 | |
Emmanuel Grumbach | 687da13 | 2013-10-01 16:45:43 +0300 | [diff] [blame] | 2361 | if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION)) |
| 2362 | return -EINVAL; |
| 2363 | |
Johannes Berg | 0f78231 | 2009-12-01 13:37:02 +0100 | [diff] [blame] | 2364 | old_req = sdata->u.mgd.req_smps; |
| 2365 | sdata->u.mgd.req_smps = smps_mode; |
| 2366 | |
| 2367 | if (old_req == smps_mode && |
| 2368 | smps_mode != IEEE80211_SMPS_AUTOMATIC) |
| 2369 | return 0; |
| 2370 | |
| 2371 | /* |
| 2372 | * If not associated, or current association is not an HT |
Johannes Berg | 04ecd25 | 2012-09-11 14:34:12 +0200 | [diff] [blame] | 2373 | * association, there's no need to do anything, just store |
| 2374 | * the new value until we associate. |
Johannes Berg | 0f78231 | 2009-12-01 13:37:02 +0100 | [diff] [blame] | 2375 | */ |
| 2376 | if (!sdata->u.mgd.associated || |
Johannes Berg | 4bf8853 | 2012-11-09 11:39:59 +0100 | [diff] [blame] | 2377 | sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT) |
Johannes Berg | 0f78231 | 2009-12-01 13:37:02 +0100 | [diff] [blame] | 2378 | return 0; |
Johannes Berg | 0f78231 | 2009-12-01 13:37:02 +0100 | [diff] [blame] | 2379 | |
Johannes Berg | 0c1ad2c | 2009-12-23 13:15:39 +0100 | [diff] [blame] | 2380 | ap = sdata->u.mgd.associated->bssid; |
Johannes Berg | 0f78231 | 2009-12-01 13:37:02 +0100 | [diff] [blame] | 2381 | |
| 2382 | if (smps_mode == IEEE80211_SMPS_AUTOMATIC) { |
| 2383 | if (sdata->u.mgd.powersave) |
| 2384 | smps_mode = IEEE80211_SMPS_DYNAMIC; |
| 2385 | else |
| 2386 | smps_mode = IEEE80211_SMPS_OFF; |
| 2387 | } |
| 2388 | |
| 2389 | /* send SM PS frame to AP */ |
| 2390 | err = ieee80211_send_smps_action(sdata, smps_mode, |
| 2391 | ap, ap); |
| 2392 | if (err) |
| 2393 | sdata->u.mgd.req_smps = old_req; |
| 2394 | |
| 2395 | return err; |
| 2396 | } |
| 2397 | |
Johannes Berg | bc92afd | 2009-07-01 21:26:57 +0200 | [diff] [blame] | 2398 | static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev, |
| 2399 | bool enabled, int timeout) |
| 2400 | { |
| 2401 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
| 2402 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); |
Johannes Berg | bc92afd | 2009-07-01 21:26:57 +0200 | [diff] [blame] | 2403 | |
Bob Copeland | 2d3db21 | 2013-10-29 18:11:59 -0400 | [diff] [blame] | 2404 | if (sdata->vif.type != NL80211_IFTYPE_STATION) |
Benoit Papillault | e5de30c | 2010-01-15 12:21:37 +0100 | [diff] [blame] | 2405 | return -EOPNOTSUPP; |
| 2406 | |
Johannes Berg | bc92afd | 2009-07-01 21:26:57 +0200 | [diff] [blame] | 2407 | if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS)) |
| 2408 | return -EOPNOTSUPP; |
| 2409 | |
| 2410 | if (enabled == sdata->u.mgd.powersave && |
Juuso Oikarinen | ff61638 | 2010-06-09 09:51:52 +0300 | [diff] [blame] | 2411 | timeout == local->dynamic_ps_forced_timeout) |
Johannes Berg | bc92afd | 2009-07-01 21:26:57 +0200 | [diff] [blame] | 2412 | return 0; |
| 2413 | |
| 2414 | sdata->u.mgd.powersave = enabled; |
Juuso Oikarinen | ff61638 | 2010-06-09 09:51:52 +0300 | [diff] [blame] | 2415 | local->dynamic_ps_forced_timeout = timeout; |
Johannes Berg | bc92afd | 2009-07-01 21:26:57 +0200 | [diff] [blame] | 2416 | |
Johannes Berg | 0f78231 | 2009-12-01 13:37:02 +0100 | [diff] [blame] | 2417 | /* no change, but if automatic follow powersave */ |
Johannes Berg | ed405be | 2013-06-03 13:51:59 +0200 | [diff] [blame] | 2418 | sdata_lock(sdata); |
Emmanuel Grumbach | 687da13 | 2013-10-01 16:45:43 +0300 | [diff] [blame] | 2419 | __ieee80211_request_smps_mgd(sdata, sdata->u.mgd.req_smps); |
Johannes Berg | ed405be | 2013-06-03 13:51:59 +0200 | [diff] [blame] | 2420 | sdata_unlock(sdata); |
Johannes Berg | 0f78231 | 2009-12-01 13:37:02 +0100 | [diff] [blame] | 2421 | |
Johannes Berg | bc92afd | 2009-07-01 21:26:57 +0200 | [diff] [blame] | 2422 | if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS) |
| 2423 | ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS); |
| 2424 | |
| 2425 | ieee80211_recalc_ps(local, -1); |
Eliad Peller | ab09587 | 2012-07-27 12:33:22 +0300 | [diff] [blame] | 2426 | ieee80211_recalc_ps_vif(sdata); |
Johannes Berg | bc92afd | 2009-07-01 21:26:57 +0200 | [diff] [blame] | 2427 | |
| 2428 | return 0; |
| 2429 | } |
| 2430 | |
Juuso Oikarinen | a97c13c | 2010-03-23 09:02:34 +0200 | [diff] [blame] | 2431 | static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy, |
| 2432 | struct net_device *dev, |
| 2433 | s32 rssi_thold, u32 rssi_hyst) |
| 2434 | { |
| 2435 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
Juuso Oikarinen | a97c13c | 2010-03-23 09:02:34 +0200 | [diff] [blame] | 2436 | struct ieee80211_vif *vif = &sdata->vif; |
| 2437 | struct ieee80211_bss_conf *bss_conf = &vif->bss_conf; |
| 2438 | |
Juuso Oikarinen | a97c13c | 2010-03-23 09:02:34 +0200 | [diff] [blame] | 2439 | if (rssi_thold == bss_conf->cqm_rssi_thold && |
| 2440 | rssi_hyst == bss_conf->cqm_rssi_hyst) |
| 2441 | return 0; |
| 2442 | |
| 2443 | bss_conf->cqm_rssi_thold = rssi_thold; |
| 2444 | bss_conf->cqm_rssi_hyst = rssi_hyst; |
| 2445 | |
| 2446 | /* tell the driver upon association, unless already associated */ |
Johannes Berg | ea08635 | 2012-01-19 09:29:58 +0100 | [diff] [blame] | 2447 | if (sdata->u.mgd.associated && |
| 2448 | sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI) |
Juuso Oikarinen | a97c13c | 2010-03-23 09:02:34 +0200 | [diff] [blame] | 2449 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM); |
| 2450 | |
| 2451 | return 0; |
| 2452 | } |
| 2453 | |
Johannes Berg | 9930380 | 2009-07-01 21:26:59 +0200 | [diff] [blame] | 2454 | static int ieee80211_set_bitrate_mask(struct wiphy *wiphy, |
| 2455 | struct net_device *dev, |
| 2456 | const u8 *addr, |
| 2457 | const struct cfg80211_bitrate_mask *mask) |
| 2458 | { |
| 2459 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
| 2460 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); |
Sujith Manoharan | bdbfd6b | 2011-04-27 16:56:51 +0530 | [diff] [blame] | 2461 | int i, ret; |
Johannes Berg | 9930380 | 2009-07-01 21:26:59 +0200 | [diff] [blame] | 2462 | |
Eliad Peller | 554a43d | 2012-06-12 12:41:15 +0300 | [diff] [blame] | 2463 | if (!ieee80211_sdata_running(sdata)) |
| 2464 | return -ENETDOWN; |
| 2465 | |
Sujith Manoharan | bdbfd6b | 2011-04-27 16:56:51 +0530 | [diff] [blame] | 2466 | if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL) { |
| 2467 | ret = drv_set_bitrate_mask(local, sdata, mask); |
| 2468 | if (ret) |
| 2469 | return ret; |
| 2470 | } |
Johannes Berg | 9930380 | 2009-07-01 21:26:59 +0200 | [diff] [blame] | 2471 | |
Simon Wunderlich | 1946841 | 2012-01-28 17:25:33 +0100 | [diff] [blame] | 2472 | for (i = 0; i < IEEE80211_NUM_BANDS; i++) { |
Felix Fietkau | 2ffbe6d | 2013-04-16 13:38:42 +0200 | [diff] [blame] | 2473 | struct ieee80211_supported_band *sband = wiphy->bands[i]; |
| 2474 | int j; |
| 2475 | |
Jouni Malinen | 37eb0b1 | 2010-01-06 13:09:08 +0200 | [diff] [blame] | 2476 | sdata->rc_rateidx_mask[i] = mask->control[i].legacy; |
Janusz Dziedzic | d1e33e6 | 2013-12-05 10:02:15 +0100 | [diff] [blame] | 2477 | memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].ht_mcs, |
| 2478 | sizeof(mask->control[i].ht_mcs)); |
Felix Fietkau | 2ffbe6d | 2013-04-16 13:38:42 +0200 | [diff] [blame] | 2479 | |
| 2480 | sdata->rc_has_mcs_mask[i] = false; |
| 2481 | if (!sband) |
| 2482 | continue; |
| 2483 | |
| 2484 | for (j = 0; j < IEEE80211_HT_MCS_MASK_LEN; j++) |
| 2485 | if (~sdata->rc_rateidx_mcs_mask[i][j]) { |
| 2486 | sdata->rc_has_mcs_mask[i] = true; |
| 2487 | break; |
| 2488 | } |
Simon Wunderlich | 1946841 | 2012-01-28 17:25:33 +0100 | [diff] [blame] | 2489 | } |
Johannes Berg | 9930380 | 2009-07-01 21:26:59 +0200 | [diff] [blame] | 2490 | |
Jouni Malinen | 37eb0b1 | 2010-01-06 13:09:08 +0200 | [diff] [blame] | 2491 | return 0; |
Johannes Berg | 9930380 | 2009-07-01 21:26:59 +0200 | [diff] [blame] | 2492 | } |
| 2493 | |
Eliad Peller | eaa336b | 2014-09-03 15:25:06 +0300 | [diff] [blame] | 2494 | static bool ieee80211_coalesce_started_roc(struct ieee80211_local *local, |
| 2495 | struct ieee80211_roc_work *new_roc, |
| 2496 | struct ieee80211_roc_work *cur_roc) |
| 2497 | { |
| 2498 | unsigned long j = jiffies; |
| 2499 | unsigned long cur_roc_end = cur_roc->hw_start_time + |
| 2500 | msecs_to_jiffies(cur_roc->duration); |
| 2501 | struct ieee80211_roc_work *next_roc; |
| 2502 | int new_dur; |
| 2503 | |
| 2504 | if (WARN_ON(!cur_roc->started || !cur_roc->hw_begun)) |
| 2505 | return false; |
| 2506 | |
| 2507 | if (time_after(j + IEEE80211_ROC_MIN_LEFT, cur_roc_end)) |
| 2508 | return false; |
| 2509 | |
| 2510 | ieee80211_handle_roc_started(new_roc); |
| 2511 | |
| 2512 | new_dur = new_roc->duration - jiffies_to_msecs(cur_roc_end - j); |
| 2513 | |
| 2514 | /* cur_roc is long enough - add new_roc to the dependents list. */ |
| 2515 | if (new_dur <= 0) { |
| 2516 | list_add_tail(&new_roc->list, &cur_roc->dependents); |
| 2517 | return true; |
| 2518 | } |
| 2519 | |
| 2520 | new_roc->duration = new_dur; |
| 2521 | |
| 2522 | /* |
| 2523 | * if cur_roc was already coalesced before, we might |
| 2524 | * want to extend the next roc instead of adding |
| 2525 | * a new one. |
| 2526 | */ |
| 2527 | next_roc = list_entry(cur_roc->list.next, |
| 2528 | struct ieee80211_roc_work, list); |
| 2529 | if (&next_roc->list != &local->roc_list && |
| 2530 | next_roc->chan == new_roc->chan && |
| 2531 | next_roc->sdata == new_roc->sdata && |
| 2532 | !WARN_ON(next_roc->started)) { |
| 2533 | list_add_tail(&new_roc->list, &next_roc->dependents); |
| 2534 | next_roc->duration = max(next_roc->duration, |
| 2535 | new_roc->duration); |
| 2536 | next_roc->type = max(next_roc->type, new_roc->type); |
| 2537 | return true; |
| 2538 | } |
| 2539 | |
| 2540 | /* add right after cur_roc */ |
| 2541 | list_add(&new_roc->list, &cur_roc->list); |
| 2542 | |
| 2543 | return true; |
| 2544 | } |
| 2545 | |
Johannes Berg | 2eb278e | 2012-06-05 14:28:42 +0200 | [diff] [blame] | 2546 | static int ieee80211_start_roc_work(struct ieee80211_local *local, |
| 2547 | struct ieee80211_sub_if_data *sdata, |
| 2548 | struct ieee80211_channel *channel, |
Johannes Berg | 2eb278e | 2012-06-05 14:28:42 +0200 | [diff] [blame] | 2549 | unsigned int duration, u64 *cookie, |
Ilan Peer | d339d5c | 2013-02-12 09:34:13 +0200 | [diff] [blame] | 2550 | struct sk_buff *txskb, |
| 2551 | enum ieee80211_roc_type type) |
Johannes Berg | 21f8358 | 2010-12-18 17:20:47 +0100 | [diff] [blame] | 2552 | { |
Johannes Berg | 2eb278e | 2012-06-05 14:28:42 +0200 | [diff] [blame] | 2553 | struct ieee80211_roc_work *roc, *tmp; |
| 2554 | bool queued = false; |
Johannes Berg | 21f8358 | 2010-12-18 17:20:47 +0100 | [diff] [blame] | 2555 | int ret; |
Johannes Berg | 21f8358 | 2010-12-18 17:20:47 +0100 | [diff] [blame] | 2556 | |
| 2557 | lockdep_assert_held(&local->mtx); |
| 2558 | |
Johannes Berg | fe57d9f | 2012-07-26 14:55:08 +0200 | [diff] [blame] | 2559 | if (local->use_chanctx && !local->ops->remain_on_channel) |
| 2560 | return -EOPNOTSUPP; |
| 2561 | |
Johannes Berg | 2eb278e | 2012-06-05 14:28:42 +0200 | [diff] [blame] | 2562 | roc = kzalloc(sizeof(*roc), GFP_KERNEL); |
| 2563 | if (!roc) |
| 2564 | return -ENOMEM; |
Johannes Berg | 21f8358 | 2010-12-18 17:20:47 +0100 | [diff] [blame] | 2565 | |
Ilan Peer | 2fae062 | 2013-12-19 13:25:29 +0200 | [diff] [blame] | 2566 | /* |
| 2567 | * If the duration is zero, then the driver |
| 2568 | * wouldn't actually do anything. Set it to |
| 2569 | * 10 for now. |
| 2570 | * |
| 2571 | * TODO: cancel the off-channel operation |
| 2572 | * when we get the SKB's TX status and |
| 2573 | * the wait time was zero before. |
| 2574 | */ |
| 2575 | if (!duration) |
| 2576 | duration = 10; |
| 2577 | |
Johannes Berg | 2eb278e | 2012-06-05 14:28:42 +0200 | [diff] [blame] | 2578 | roc->chan = channel; |
Johannes Berg | 2eb278e | 2012-06-05 14:28:42 +0200 | [diff] [blame] | 2579 | roc->duration = duration; |
| 2580 | roc->req_duration = duration; |
| 2581 | roc->frame = txskb; |
Ilan Peer | d339d5c | 2013-02-12 09:34:13 +0200 | [diff] [blame] | 2582 | roc->type = type; |
Johannes Berg | 2eb278e | 2012-06-05 14:28:42 +0200 | [diff] [blame] | 2583 | roc->mgmt_tx_cookie = (unsigned long)txskb; |
| 2584 | roc->sdata = sdata; |
| 2585 | INIT_DELAYED_WORK(&roc->work, ieee80211_sw_roc_work); |
| 2586 | INIT_LIST_HEAD(&roc->dependents); |
| 2587 | |
Eliad Peller | 2f61743 | 2014-01-12 11:06:37 +0200 | [diff] [blame] | 2588 | /* |
| 2589 | * cookie is either the roc cookie (for normal roc) |
| 2590 | * or the SKB (for mgmt TX) |
| 2591 | */ |
| 2592 | if (!txskb) { |
| 2593 | /* local->mtx protects this */ |
| 2594 | local->roc_cookie_counter++; |
| 2595 | roc->cookie = local->roc_cookie_counter; |
| 2596 | /* wow, you wrapped 64 bits ... more likely a bug */ |
| 2597 | if (WARN_ON(roc->cookie == 0)) { |
| 2598 | roc->cookie = 1; |
| 2599 | local->roc_cookie_counter++; |
| 2600 | } |
| 2601 | *cookie = roc->cookie; |
| 2602 | } else { |
| 2603 | *cookie = (unsigned long)txskb; |
| 2604 | } |
| 2605 | |
Johannes Berg | 2eb278e | 2012-06-05 14:28:42 +0200 | [diff] [blame] | 2606 | /* if there's one pending or we're scanning, queue this one */ |
Simon Wunderlich | 164eb02 | 2013-02-08 18:16:20 +0100 | [diff] [blame] | 2607 | if (!list_empty(&local->roc_list) || |
Eliad Peller | 5cbc95a | 2015-01-07 17:50:09 +0200 | [diff] [blame] | 2608 | local->scanning || ieee80211_is_radar_required(local)) |
Johannes Berg | 2eb278e | 2012-06-05 14:28:42 +0200 | [diff] [blame] | 2609 | goto out_check_combine; |
| 2610 | |
| 2611 | /* if not HW assist, just queue & schedule work */ |
| 2612 | if (!local->ops->remain_on_channel) { |
| 2613 | ieee80211_queue_delayed_work(&local->hw, &roc->work, 0); |
| 2614 | goto out_queue; |
Johannes Berg | 21f8358 | 2010-12-18 17:20:47 +0100 | [diff] [blame] | 2615 | } |
| 2616 | |
Johannes Berg | 2eb278e | 2012-06-05 14:28:42 +0200 | [diff] [blame] | 2617 | /* otherwise actually kick it off here (for error handling) */ |
| 2618 | |
Ilan Peer | d339d5c | 2013-02-12 09:34:13 +0200 | [diff] [blame] | 2619 | ret = drv_remain_on_channel(local, sdata, channel, duration, type); |
Johannes Berg | 2eb278e | 2012-06-05 14:28:42 +0200 | [diff] [blame] | 2620 | if (ret) { |
| 2621 | kfree(roc); |
| 2622 | return ret; |
| 2623 | } |
| 2624 | |
| 2625 | roc->started = true; |
| 2626 | goto out_queue; |
| 2627 | |
| 2628 | out_check_combine: |
| 2629 | list_for_each_entry(tmp, &local->roc_list, list) { |
Johannes Berg | 42d97a5 | 2012-11-08 18:31:02 +0100 | [diff] [blame] | 2630 | if (tmp->chan != channel || tmp->sdata != sdata) |
Johannes Berg | 2eb278e | 2012-06-05 14:28:42 +0200 | [diff] [blame] | 2631 | continue; |
| 2632 | |
| 2633 | /* |
| 2634 | * Extend this ROC if possible: |
| 2635 | * |
| 2636 | * If it hasn't started yet, just increase the duration |
| 2637 | * and add the new one to the list of dependents. |
Ilan Peer | d339d5c | 2013-02-12 09:34:13 +0200 | [diff] [blame] | 2638 | * If the type of the new ROC has higher priority, modify the |
| 2639 | * type of the previous one to match that of the new one. |
Johannes Berg | 2eb278e | 2012-06-05 14:28:42 +0200 | [diff] [blame] | 2640 | */ |
| 2641 | if (!tmp->started) { |
| 2642 | list_add_tail(&roc->list, &tmp->dependents); |
| 2643 | tmp->duration = max(tmp->duration, roc->duration); |
Ilan Peer | d339d5c | 2013-02-12 09:34:13 +0200 | [diff] [blame] | 2644 | tmp->type = max(tmp->type, roc->type); |
Johannes Berg | 2eb278e | 2012-06-05 14:28:42 +0200 | [diff] [blame] | 2645 | queued = true; |
| 2646 | break; |
| 2647 | } |
| 2648 | |
| 2649 | /* If it has already started, it's more difficult ... */ |
| 2650 | if (local->ops->remain_on_channel) { |
Johannes Berg | 2eb278e | 2012-06-05 14:28:42 +0200 | [diff] [blame] | 2651 | /* |
| 2652 | * In the offloaded ROC case, if it hasn't begun, add |
| 2653 | * this new one to the dependent list to be handled |
Ilan Peer | d339d5c | 2013-02-12 09:34:13 +0200 | [diff] [blame] | 2654 | * when the master one begins. If it has begun, |
Johannes Berg | 2eb278e | 2012-06-05 14:28:42 +0200 | [diff] [blame] | 2655 | * check that there's still a minimum time left and |
| 2656 | * if so, start this one, transmitting the frame, but |
Ilan Peer | d339d5c | 2013-02-12 09:34:13 +0200 | [diff] [blame] | 2657 | * add it to the list directly after this one with |
Johannes Berg | 2eb278e | 2012-06-05 14:28:42 +0200 | [diff] [blame] | 2658 | * a reduced time so we'll ask the driver to execute |
| 2659 | * it right after finishing the previous one, in the |
| 2660 | * hope that it'll also be executed right afterwards, |
| 2661 | * effectively extending the old one. |
| 2662 | * If there's no minimum time left, just add it to the |
| 2663 | * normal list. |
Ilan Peer | d339d5c | 2013-02-12 09:34:13 +0200 | [diff] [blame] | 2664 | * TODO: the ROC type is ignored here, assuming that it |
| 2665 | * is better to immediately use the current ROC. |
Johannes Berg | 2eb278e | 2012-06-05 14:28:42 +0200 | [diff] [blame] | 2666 | */ |
| 2667 | if (!tmp->hw_begun) { |
| 2668 | list_add_tail(&roc->list, &tmp->dependents); |
| 2669 | queued = true; |
| 2670 | break; |
| 2671 | } |
| 2672 | |
Eliad Peller | eaa336b | 2014-09-03 15:25:06 +0300 | [diff] [blame] | 2673 | if (ieee80211_coalesce_started_roc(local, roc, tmp)) |
Johannes Berg | 2eb278e | 2012-06-05 14:28:42 +0200 | [diff] [blame] | 2674 | queued = true; |
Johannes Berg | 2eb278e | 2012-06-05 14:28:42 +0200 | [diff] [blame] | 2675 | } else if (del_timer_sync(&tmp->work.timer)) { |
| 2676 | unsigned long new_end; |
| 2677 | |
| 2678 | /* |
| 2679 | * In the software ROC case, cancel the timer, if |
| 2680 | * that fails then the finish work is already |
| 2681 | * queued/pending and thus we queue the new ROC |
| 2682 | * normally, if that succeeds then we can extend |
| 2683 | * the timer duration and TX the frame (if any.) |
| 2684 | */ |
| 2685 | |
| 2686 | list_add_tail(&roc->list, &tmp->dependents); |
| 2687 | queued = true; |
| 2688 | |
| 2689 | new_end = jiffies + msecs_to_jiffies(roc->duration); |
| 2690 | |
| 2691 | /* ok, it was started & we canceled timer */ |
| 2692 | if (time_after(new_end, tmp->work.timer.expires)) |
| 2693 | mod_timer(&tmp->work.timer, new_end); |
| 2694 | else |
| 2695 | add_timer(&tmp->work.timer); |
| 2696 | |
| 2697 | ieee80211_handle_roc_started(roc); |
| 2698 | } |
| 2699 | break; |
| 2700 | } |
| 2701 | |
| 2702 | out_queue: |
| 2703 | if (!queued) |
| 2704 | list_add_tail(&roc->list, &local->roc_list); |
| 2705 | |
Johannes Berg | 2eb278e | 2012-06-05 14:28:42 +0200 | [diff] [blame] | 2706 | return 0; |
Johannes Berg | 21f8358 | 2010-12-18 17:20:47 +0100 | [diff] [blame] | 2707 | } |
| 2708 | |
Johannes Berg | b8bc4b0 | 2009-12-23 13:15:42 +0100 | [diff] [blame] | 2709 | static int ieee80211_remain_on_channel(struct wiphy *wiphy, |
Johannes Berg | 71bbc99 | 2012-06-15 15:30:18 +0200 | [diff] [blame] | 2710 | struct wireless_dev *wdev, |
Johannes Berg | b8bc4b0 | 2009-12-23 13:15:42 +0100 | [diff] [blame] | 2711 | struct ieee80211_channel *chan, |
Johannes Berg | b8bc4b0 | 2009-12-23 13:15:42 +0100 | [diff] [blame] | 2712 | unsigned int duration, |
| 2713 | u64 *cookie) |
| 2714 | { |
Johannes Berg | 71bbc99 | 2012-06-15 15:30:18 +0200 | [diff] [blame] | 2715 | struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); |
Johannes Berg | 21f8358 | 2010-12-18 17:20:47 +0100 | [diff] [blame] | 2716 | struct ieee80211_local *local = sdata->local; |
Johannes Berg | 21f8358 | 2010-12-18 17:20:47 +0100 | [diff] [blame] | 2717 | int ret; |
| 2718 | |
Johannes Berg | 2eb278e | 2012-06-05 14:28:42 +0200 | [diff] [blame] | 2719 | mutex_lock(&local->mtx); |
Johannes Berg | 42d97a5 | 2012-11-08 18:31:02 +0100 | [diff] [blame] | 2720 | ret = ieee80211_start_roc_work(local, sdata, chan, |
Ilan Peer | d339d5c | 2013-02-12 09:34:13 +0200 | [diff] [blame] | 2721 | duration, cookie, NULL, |
| 2722 | IEEE80211_ROC_TYPE_NORMAL); |
Johannes Berg | 2eb278e | 2012-06-05 14:28:42 +0200 | [diff] [blame] | 2723 | mutex_unlock(&local->mtx); |
Johannes Berg | 21f8358 | 2010-12-18 17:20:47 +0100 | [diff] [blame] | 2724 | |
Johannes Berg | 2eb278e | 2012-06-05 14:28:42 +0200 | [diff] [blame] | 2725 | return ret; |
| 2726 | } |
| 2727 | |
| 2728 | static int ieee80211_cancel_roc(struct ieee80211_local *local, |
| 2729 | u64 cookie, bool mgmt_tx) |
| 2730 | { |
| 2731 | struct ieee80211_roc_work *roc, *tmp, *found = NULL; |
| 2732 | int ret; |
| 2733 | |
| 2734 | mutex_lock(&local->mtx); |
| 2735 | list_for_each_entry_safe(roc, tmp, &local->roc_list, list) { |
Johannes Berg | e979e33 | 2012-06-11 17:09:41 +0200 | [diff] [blame] | 2736 | struct ieee80211_roc_work *dep, *tmp2; |
| 2737 | |
| 2738 | list_for_each_entry_safe(dep, tmp2, &roc->dependents, list) { |
Johannes Berg | 50febf6 | 2012-10-26 16:13:06 +0200 | [diff] [blame] | 2739 | if (!mgmt_tx && dep->cookie != cookie) |
Johannes Berg | e979e33 | 2012-06-11 17:09:41 +0200 | [diff] [blame] | 2740 | continue; |
| 2741 | else if (mgmt_tx && dep->mgmt_tx_cookie != cookie) |
| 2742 | continue; |
| 2743 | /* found dependent item -- just remove it */ |
| 2744 | list_del(&dep->list); |
| 2745 | mutex_unlock(&local->mtx); |
| 2746 | |
Johannes Berg | 3fbd45c | 2013-03-25 11:51:14 +0100 | [diff] [blame] | 2747 | ieee80211_roc_notify_destroy(dep, true); |
Johannes Berg | e979e33 | 2012-06-11 17:09:41 +0200 | [diff] [blame] | 2748 | return 0; |
| 2749 | } |
| 2750 | |
Johannes Berg | 50febf6 | 2012-10-26 16:13:06 +0200 | [diff] [blame] | 2751 | if (!mgmt_tx && roc->cookie != cookie) |
Johannes Berg | 2eb278e | 2012-06-05 14:28:42 +0200 | [diff] [blame] | 2752 | continue; |
| 2753 | else if (mgmt_tx && roc->mgmt_tx_cookie != cookie) |
| 2754 | continue; |
| 2755 | |
| 2756 | found = roc; |
| 2757 | break; |
| 2758 | } |
| 2759 | |
| 2760 | if (!found) { |
| 2761 | mutex_unlock(&local->mtx); |
Johannes Berg | 21f8358 | 2010-12-18 17:20:47 +0100 | [diff] [blame] | 2762 | return -ENOENT; |
Johannes Berg | 2eb278e | 2012-06-05 14:28:42 +0200 | [diff] [blame] | 2763 | } |
Johannes Berg | 21f8358 | 2010-12-18 17:20:47 +0100 | [diff] [blame] | 2764 | |
Johannes Berg | e979e33 | 2012-06-11 17:09:41 +0200 | [diff] [blame] | 2765 | /* |
| 2766 | * We found the item to cancel, so do that. Note that it |
| 2767 | * may have dependents, which we also cancel (and send |
| 2768 | * the expired signal for.) Not doing so would be quite |
| 2769 | * tricky here, but we may need to fix it later. |
| 2770 | */ |
| 2771 | |
Johannes Berg | 2eb278e | 2012-06-05 14:28:42 +0200 | [diff] [blame] | 2772 | if (local->ops->remain_on_channel) { |
| 2773 | if (found->started) { |
| 2774 | ret = drv_cancel_remain_on_channel(local); |
| 2775 | if (WARN_ON_ONCE(ret)) { |
| 2776 | mutex_unlock(&local->mtx); |
| 2777 | return ret; |
| 2778 | } |
| 2779 | } |
Johannes Berg | 21f8358 | 2010-12-18 17:20:47 +0100 | [diff] [blame] | 2780 | |
Johannes Berg | 2eb278e | 2012-06-05 14:28:42 +0200 | [diff] [blame] | 2781 | list_del(&found->list); |
| 2782 | |
Johannes Berg | 0f6b3f5 | 2012-06-20 20:11:33 +0200 | [diff] [blame] | 2783 | if (found->started) |
| 2784 | ieee80211_start_next_roc(local); |
Johannes Berg | 2eb278e | 2012-06-05 14:28:42 +0200 | [diff] [blame] | 2785 | mutex_unlock(&local->mtx); |
| 2786 | |
Johannes Berg | 3fbd45c | 2013-03-25 11:51:14 +0100 | [diff] [blame] | 2787 | ieee80211_roc_notify_destroy(found, true); |
Johannes Berg | 2eb278e | 2012-06-05 14:28:42 +0200 | [diff] [blame] | 2788 | } else { |
| 2789 | /* work may be pending so use it all the time */ |
| 2790 | found->abort = true; |
| 2791 | ieee80211_queue_delayed_work(&local->hw, &found->work, 0); |
| 2792 | |
| 2793 | mutex_unlock(&local->mtx); |
| 2794 | |
| 2795 | /* work will clean up etc */ |
| 2796 | flush_delayed_work(&found->work); |
Johannes Berg | 3fbd45c | 2013-03-25 11:51:14 +0100 | [diff] [blame] | 2797 | WARN_ON(!found->to_be_freed); |
| 2798 | kfree(found); |
Johannes Berg | 2eb278e | 2012-06-05 14:28:42 +0200 | [diff] [blame] | 2799 | } |
Johannes Berg | 21f8358 | 2010-12-18 17:20:47 +0100 | [diff] [blame] | 2800 | |
Johannes Berg | 21f8358 | 2010-12-18 17:20:47 +0100 | [diff] [blame] | 2801 | return 0; |
| 2802 | } |
| 2803 | |
Johannes Berg | b8bc4b0 | 2009-12-23 13:15:42 +0100 | [diff] [blame] | 2804 | static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy, |
Johannes Berg | 71bbc99 | 2012-06-15 15:30:18 +0200 | [diff] [blame] | 2805 | struct wireless_dev *wdev, |
Johannes Berg | b8bc4b0 | 2009-12-23 13:15:42 +0100 | [diff] [blame] | 2806 | u64 cookie) |
| 2807 | { |
Johannes Berg | 71bbc99 | 2012-06-15 15:30:18 +0200 | [diff] [blame] | 2808 | struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); |
Johannes Berg | 21f8358 | 2010-12-18 17:20:47 +0100 | [diff] [blame] | 2809 | struct ieee80211_local *local = sdata->local; |
| 2810 | |
Johannes Berg | 2eb278e | 2012-06-05 14:28:42 +0200 | [diff] [blame] | 2811 | return ieee80211_cancel_roc(local, cookie, false); |
Johannes Berg | f30221e | 2010-11-25 10:02:30 +0100 | [diff] [blame] | 2812 | } |
| 2813 | |
Simon Wunderlich | 164eb02 | 2013-02-08 18:16:20 +0100 | [diff] [blame] | 2814 | static int ieee80211_start_radar_detection(struct wiphy *wiphy, |
| 2815 | struct net_device *dev, |
Janusz Dziedzic | 31559f3 | 2014-02-21 19:46:13 +0100 | [diff] [blame] | 2816 | struct cfg80211_chan_def *chandef, |
| 2817 | u32 cac_time_ms) |
Simon Wunderlich | 164eb02 | 2013-02-08 18:16:20 +0100 | [diff] [blame] | 2818 | { |
| 2819 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
| 2820 | struct ieee80211_local *local = sdata->local; |
Simon Wunderlich | 164eb02 | 2013-02-08 18:16:20 +0100 | [diff] [blame] | 2821 | int err; |
| 2822 | |
Johannes Berg | 34a3740 | 2013-12-18 09:43:33 +0100 | [diff] [blame] | 2823 | mutex_lock(&local->mtx); |
| 2824 | if (!list_empty(&local->roc_list) || local->scanning) { |
| 2825 | err = -EBUSY; |
| 2826 | goto out_unlock; |
| 2827 | } |
Simon Wunderlich | 164eb02 | 2013-02-08 18:16:20 +0100 | [diff] [blame] | 2828 | |
| 2829 | /* whatever, but channel contexts should not complain about that one */ |
| 2830 | sdata->smps_mode = IEEE80211_SMPS_OFF; |
| 2831 | sdata->needed_rx_chains = local->rx_chains; |
Simon Wunderlich | 164eb02 | 2013-02-08 18:16:20 +0100 | [diff] [blame] | 2832 | |
Simon Wunderlich | 164eb02 | 2013-02-08 18:16:20 +0100 | [diff] [blame] | 2833 | err = ieee80211_vif_use_channel(sdata, chandef, |
| 2834 | IEEE80211_CHANCTX_SHARED); |
Simon Wunderlich | 164eb02 | 2013-02-08 18:16:20 +0100 | [diff] [blame] | 2835 | if (err) |
Johannes Berg | 34a3740 | 2013-12-18 09:43:33 +0100 | [diff] [blame] | 2836 | goto out_unlock; |
Simon Wunderlich | 164eb02 | 2013-02-08 18:16:20 +0100 | [diff] [blame] | 2837 | |
Simon Wunderlich | 164eb02 | 2013-02-08 18:16:20 +0100 | [diff] [blame] | 2838 | ieee80211_queue_delayed_work(&sdata->local->hw, |
Janusz Dziedzic | 31559f3 | 2014-02-21 19:46:13 +0100 | [diff] [blame] | 2839 | &sdata->dfs_cac_timer_work, |
| 2840 | msecs_to_jiffies(cac_time_ms)); |
Simon Wunderlich | 164eb02 | 2013-02-08 18:16:20 +0100 | [diff] [blame] | 2841 | |
Johannes Berg | 34a3740 | 2013-12-18 09:43:33 +0100 | [diff] [blame] | 2842 | out_unlock: |
| 2843 | mutex_unlock(&local->mtx); |
| 2844 | return err; |
Simon Wunderlich | 164eb02 | 2013-02-08 18:16:20 +0100 | [diff] [blame] | 2845 | } |
| 2846 | |
Simon Wunderlich | 73da7d5 | 2013-07-11 16:09:06 +0200 | [diff] [blame] | 2847 | static struct cfg80211_beacon_data * |
| 2848 | cfg80211_beacon_dup(struct cfg80211_beacon_data *beacon) |
| 2849 | { |
| 2850 | struct cfg80211_beacon_data *new_beacon; |
| 2851 | u8 *pos; |
| 2852 | int len; |
| 2853 | |
| 2854 | len = beacon->head_len + beacon->tail_len + beacon->beacon_ies_len + |
| 2855 | beacon->proberesp_ies_len + beacon->assocresp_ies_len + |
| 2856 | beacon->probe_resp_len; |
| 2857 | |
| 2858 | new_beacon = kzalloc(sizeof(*new_beacon) + len, GFP_KERNEL); |
| 2859 | if (!new_beacon) |
| 2860 | return NULL; |
| 2861 | |
| 2862 | pos = (u8 *)(new_beacon + 1); |
| 2863 | if (beacon->head_len) { |
| 2864 | new_beacon->head_len = beacon->head_len; |
| 2865 | new_beacon->head = pos; |
| 2866 | memcpy(pos, beacon->head, beacon->head_len); |
| 2867 | pos += beacon->head_len; |
| 2868 | } |
| 2869 | if (beacon->tail_len) { |
| 2870 | new_beacon->tail_len = beacon->tail_len; |
| 2871 | new_beacon->tail = pos; |
| 2872 | memcpy(pos, beacon->tail, beacon->tail_len); |
| 2873 | pos += beacon->tail_len; |
| 2874 | } |
| 2875 | if (beacon->beacon_ies_len) { |
| 2876 | new_beacon->beacon_ies_len = beacon->beacon_ies_len; |
| 2877 | new_beacon->beacon_ies = pos; |
| 2878 | memcpy(pos, beacon->beacon_ies, beacon->beacon_ies_len); |
| 2879 | pos += beacon->beacon_ies_len; |
| 2880 | } |
| 2881 | if (beacon->proberesp_ies_len) { |
| 2882 | new_beacon->proberesp_ies_len = beacon->proberesp_ies_len; |
| 2883 | new_beacon->proberesp_ies = pos; |
| 2884 | memcpy(pos, beacon->proberesp_ies, beacon->proberesp_ies_len); |
| 2885 | pos += beacon->proberesp_ies_len; |
| 2886 | } |
| 2887 | if (beacon->assocresp_ies_len) { |
| 2888 | new_beacon->assocresp_ies_len = beacon->assocresp_ies_len; |
| 2889 | new_beacon->assocresp_ies = pos; |
| 2890 | memcpy(pos, beacon->assocresp_ies, beacon->assocresp_ies_len); |
| 2891 | pos += beacon->assocresp_ies_len; |
| 2892 | } |
| 2893 | if (beacon->probe_resp_len) { |
| 2894 | new_beacon->probe_resp_len = beacon->probe_resp_len; |
| 2895 | beacon->probe_resp = pos; |
| 2896 | memcpy(pos, beacon->probe_resp, beacon->probe_resp_len); |
| 2897 | pos += beacon->probe_resp_len; |
| 2898 | } |
| 2899 | |
| 2900 | return new_beacon; |
| 2901 | } |
| 2902 | |
Luciano Coelho | 66e01cf | 2014-01-13 19:43:00 +0200 | [diff] [blame] | 2903 | void ieee80211_csa_finish(struct ieee80211_vif *vif) |
Simon Wunderlich | 73da7d5 | 2013-07-11 16:09:06 +0200 | [diff] [blame] | 2904 | { |
Luciano Coelho | 66e01cf | 2014-01-13 19:43:00 +0200 | [diff] [blame] | 2905 | struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif); |
| 2906 | |
| 2907 | ieee80211_queue_work(&sdata->local->hw, |
| 2908 | &sdata->csa_finalize_work); |
| 2909 | } |
| 2910 | EXPORT_SYMBOL(ieee80211_csa_finish); |
| 2911 | |
Michal Kazior | 6619950 | 2014-04-09 15:11:00 +0200 | [diff] [blame] | 2912 | static int ieee80211_set_after_csa_beacon(struct ieee80211_sub_if_data *sdata, |
| 2913 | u32 *changed) |
| 2914 | { |
| 2915 | int err; |
| 2916 | |
| 2917 | switch (sdata->vif.type) { |
| 2918 | case NL80211_IFTYPE_AP: |
Michal Kazior | af296bd | 2014-06-05 14:21:36 +0200 | [diff] [blame] | 2919 | err = ieee80211_assign_beacon(sdata, sdata->u.ap.next_beacon, |
| 2920 | NULL); |
Michal Kazior | 6619950 | 2014-04-09 15:11:00 +0200 | [diff] [blame] | 2921 | kfree(sdata->u.ap.next_beacon); |
| 2922 | sdata->u.ap.next_beacon = NULL; |
| 2923 | |
| 2924 | if (err < 0) |
| 2925 | return err; |
| 2926 | *changed |= err; |
| 2927 | break; |
| 2928 | case NL80211_IFTYPE_ADHOC: |
| 2929 | err = ieee80211_ibss_finish_csa(sdata); |
| 2930 | if (err < 0) |
| 2931 | return err; |
| 2932 | *changed |= err; |
| 2933 | break; |
| 2934 | #ifdef CONFIG_MAC80211_MESH |
| 2935 | case NL80211_IFTYPE_MESH_POINT: |
| 2936 | err = ieee80211_mesh_finish_csa(sdata); |
| 2937 | if (err < 0) |
| 2938 | return err; |
| 2939 | *changed |= err; |
| 2940 | break; |
| 2941 | #endif |
| 2942 | default: |
| 2943 | WARN_ON(1); |
| 2944 | return -EINVAL; |
| 2945 | } |
| 2946 | |
| 2947 | return 0; |
| 2948 | } |
| 2949 | |
Michal Kazior | cf8767d | 2014-05-08 09:10:02 +0200 | [diff] [blame] | 2950 | static int __ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata) |
Luciano Coelho | 66e01cf | 2014-01-13 19:43:00 +0200 | [diff] [blame] | 2951 | { |
Simon Wunderlich | 73da7d5 | 2013-07-11 16:09:06 +0200 | [diff] [blame] | 2952 | struct ieee80211_local *local = sdata->local; |
Michal Kazior | 6619950 | 2014-04-09 15:11:00 +0200 | [diff] [blame] | 2953 | u32 changed = 0; |
| 2954 | int err; |
Simon Wunderlich | 73da7d5 | 2013-07-11 16:09:06 +0200 | [diff] [blame] | 2955 | |
Michal Kazior | dbd7285 | 2014-01-29 07:56:21 +0100 | [diff] [blame] | 2956 | sdata_assert_lock(sdata); |
Michal Kazior | 59af692 | 2014-04-09 15:10:59 +0200 | [diff] [blame] | 2957 | lockdep_assert_held(&local->mtx); |
Michal Kazior | 03078de | 2014-06-25 12:35:08 +0200 | [diff] [blame] | 2958 | lockdep_assert_held(&local->chanctx_mtx); |
Michal Kazior | dbd7285 | 2014-01-29 07:56:21 +0100 | [diff] [blame] | 2959 | |
Michal Kazior | 03078de | 2014-06-25 12:35:08 +0200 | [diff] [blame] | 2960 | /* |
| 2961 | * using reservation isn't immediate as it may be deferred until later |
| 2962 | * with multi-vif. once reservation is complete it will re-schedule the |
| 2963 | * work with no reserved_chanctx so verify chandef to check if it |
| 2964 | * completed successfully |
| 2965 | */ |
Simon Wunderlich | 73da7d5 | 2013-07-11 16:09:06 +0200 | [diff] [blame] | 2966 | |
Michal Kazior | 03078de | 2014-06-25 12:35:08 +0200 | [diff] [blame] | 2967 | if (sdata->reserved_chanctx) { |
| 2968 | /* |
| 2969 | * with multi-vif csa driver may call ieee80211_csa_finish() |
| 2970 | * many times while waiting for other interfaces to use their |
| 2971 | * reservations |
| 2972 | */ |
| 2973 | if (sdata->reserved_ready) |
| 2974 | return 0; |
| 2975 | |
Fabian Frederick | 408b18a | 2014-10-09 20:36:22 +0200 | [diff] [blame] | 2976 | return ieee80211_vif_use_reserved_context(sdata); |
Arik Nemtsov | 7578d57 | 2013-09-01 17:15:51 +0300 | [diff] [blame] | 2977 | } |
| 2978 | |
Michal Kazior | 03078de | 2014-06-25 12:35:08 +0200 | [diff] [blame] | 2979 | if (!cfg80211_chandef_identical(&sdata->vif.bss_conf.chandef, |
| 2980 | &sdata->csa_chandef)) |
| 2981 | return -EINVAL; |
| 2982 | |
Simon Wunderlich | e487eae | 2013-11-21 18:19:51 +0100 | [diff] [blame] | 2983 | sdata->vif.csa_active = false; |
Michal Kazior | 97518af | 2014-01-29 07:56:18 +0100 | [diff] [blame] | 2984 | |
Michal Kazior | 6619950 | 2014-04-09 15:11:00 +0200 | [diff] [blame] | 2985 | err = ieee80211_set_after_csa_beacon(sdata, &changed); |
| 2986 | if (err) |
Michal Kazior | cf8767d | 2014-05-08 09:10:02 +0200 | [diff] [blame] | 2987 | return err; |
Simon Wunderlich | 73da7d5 | 2013-07-11 16:09:06 +0200 | [diff] [blame] | 2988 | |
Michal Kazior | faf046e | 2014-01-29 07:56:17 +0100 | [diff] [blame] | 2989 | ieee80211_bss_info_change_notify(sdata, changed); |
Michal Kazior | 59af692 | 2014-04-09 15:10:59 +0200 | [diff] [blame] | 2990 | |
Luciano Coelho | a46992b | 2014-06-13 16:30:07 +0300 | [diff] [blame] | 2991 | if (sdata->csa_block_tx) { |
| 2992 | ieee80211_wake_vif_queues(local, sdata, |
| 2993 | IEEE80211_QUEUE_STOP_REASON_CSA); |
| 2994 | sdata->csa_block_tx = false; |
| 2995 | } |
Michal Kazior | cf8767d | 2014-05-08 09:10:02 +0200 | [diff] [blame] | 2996 | |
Luciano Coelho | f1d6558 | 2014-10-08 09:48:38 +0300 | [diff] [blame] | 2997 | err = drv_post_channel_switch(sdata); |
| 2998 | if (err) |
| 2999 | return err; |
| 3000 | |
| 3001 | cfg80211_ch_switch_notify(sdata->dev, &sdata->csa_chandef); |
| 3002 | |
Michal Kazior | cf8767d | 2014-05-08 09:10:02 +0200 | [diff] [blame] | 3003 | return 0; |
| 3004 | } |
| 3005 | |
| 3006 | static void ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata) |
| 3007 | { |
| 3008 | if (__ieee80211_csa_finalize(sdata)) { |
| 3009 | sdata_info(sdata, "failed to finalize CSA, disconnecting\n"); |
| 3010 | cfg80211_stop_iface(sdata->local->hw.wiphy, &sdata->wdev, |
| 3011 | GFP_KERNEL); |
| 3012 | } |
Luciano Coelho | 66e01cf | 2014-01-13 19:43:00 +0200 | [diff] [blame] | 3013 | } |
| 3014 | |
| 3015 | void ieee80211_csa_finalize_work(struct work_struct *work) |
| 3016 | { |
| 3017 | struct ieee80211_sub_if_data *sdata = |
| 3018 | container_of(work, struct ieee80211_sub_if_data, |
| 3019 | csa_finalize_work); |
Michal Kazior | 59af692 | 2014-04-09 15:10:59 +0200 | [diff] [blame] | 3020 | struct ieee80211_local *local = sdata->local; |
Luciano Coelho | 66e01cf | 2014-01-13 19:43:00 +0200 | [diff] [blame] | 3021 | |
| 3022 | sdata_lock(sdata); |
Michal Kazior | 59af692 | 2014-04-09 15:10:59 +0200 | [diff] [blame] | 3023 | mutex_lock(&local->mtx); |
Michal Kazior | 03078de | 2014-06-25 12:35:08 +0200 | [diff] [blame] | 3024 | mutex_lock(&local->chanctx_mtx); |
Michal Kazior | 59af692 | 2014-04-09 15:10:59 +0200 | [diff] [blame] | 3025 | |
Luciano Coelho | 66e01cf | 2014-01-13 19:43:00 +0200 | [diff] [blame] | 3026 | /* AP might have been stopped while waiting for the lock. */ |
| 3027 | if (!sdata->vif.csa_active) |
| 3028 | goto unlock; |
| 3029 | |
| 3030 | if (!ieee80211_sdata_running(sdata)) |
| 3031 | goto unlock; |
| 3032 | |
| 3033 | ieee80211_csa_finalize(sdata); |
Simon Wunderlich | e487eae | 2013-11-21 18:19:51 +0100 | [diff] [blame] | 3034 | |
| 3035 | unlock: |
Michal Kazior | 03078de | 2014-06-25 12:35:08 +0200 | [diff] [blame] | 3036 | mutex_unlock(&local->chanctx_mtx); |
Michal Kazior | 59af692 | 2014-04-09 15:10:59 +0200 | [diff] [blame] | 3037 | mutex_unlock(&local->mtx); |
Simon Wunderlich | e487eae | 2013-11-21 18:19:51 +0100 | [diff] [blame] | 3038 | sdata_unlock(sdata); |
Simon Wunderlich | 73da7d5 | 2013-07-11 16:09:06 +0200 | [diff] [blame] | 3039 | } |
| 3040 | |
Michal Kazior | 37fa2bd | 2014-02-28 15:59:06 +0100 | [diff] [blame] | 3041 | static int ieee80211_set_csa_beacon(struct ieee80211_sub_if_data *sdata, |
| 3042 | struct cfg80211_csa_settings *params, |
| 3043 | u32 *changed) |
| 3044 | { |
Michal Kazior | af296bd | 2014-06-05 14:21:36 +0200 | [diff] [blame] | 3045 | struct ieee80211_csa_settings csa = {}; |
Michal Kazior | 37fa2bd | 2014-02-28 15:59:06 +0100 | [diff] [blame] | 3046 | int err; |
| 3047 | |
| 3048 | switch (sdata->vif.type) { |
| 3049 | case NL80211_IFTYPE_AP: |
| 3050 | sdata->u.ap.next_beacon = |
| 3051 | cfg80211_beacon_dup(¶ms->beacon_after); |
| 3052 | if (!sdata->u.ap.next_beacon) |
| 3053 | return -ENOMEM; |
| 3054 | |
| 3055 | /* |
| 3056 | * With a count of 0, we don't have to wait for any |
| 3057 | * TBTT before switching, so complete the CSA |
| 3058 | * immediately. In theory, with a count == 1 we |
| 3059 | * should delay the switch until just before the next |
| 3060 | * TBTT, but that would complicate things so we switch |
| 3061 | * immediately too. If we would delay the switch |
| 3062 | * until the next TBTT, we would have to set the probe |
| 3063 | * response here. |
| 3064 | * |
| 3065 | * TODO: A channel switch with count <= 1 without |
| 3066 | * sending a CSA action frame is kind of useless, |
| 3067 | * because the clients won't know we're changing |
| 3068 | * channels. The action frame must be implemented |
| 3069 | * either here or in the userspace. |
| 3070 | */ |
| 3071 | if (params->count <= 1) |
| 3072 | break; |
| 3073 | |
Andrei Otcheretianski | 0d06d9b | 2014-05-09 14:11:47 +0300 | [diff] [blame] | 3074 | if ((params->n_counter_offsets_beacon > |
| 3075 | IEEE80211_MAX_CSA_COUNTERS_NUM) || |
| 3076 | (params->n_counter_offsets_presp > |
| 3077 | IEEE80211_MAX_CSA_COUNTERS_NUM)) |
| 3078 | return -EINVAL; |
Andrei Otcheretianski | 9a774c7 | 2014-05-09 14:11:46 +0300 | [diff] [blame] | 3079 | |
Michal Kazior | af296bd | 2014-06-05 14:21:36 +0200 | [diff] [blame] | 3080 | csa.counter_offsets_beacon = params->counter_offsets_beacon; |
| 3081 | csa.counter_offsets_presp = params->counter_offsets_presp; |
| 3082 | csa.n_counter_offsets_beacon = params->n_counter_offsets_beacon; |
| 3083 | csa.n_counter_offsets_presp = params->n_counter_offsets_presp; |
| 3084 | csa.count = params->count; |
Andrei Otcheretianski | 0d06d9b | 2014-05-09 14:11:47 +0300 | [diff] [blame] | 3085 | |
Michal Kazior | af296bd | 2014-06-05 14:21:36 +0200 | [diff] [blame] | 3086 | err = ieee80211_assign_beacon(sdata, ¶ms->beacon_csa, &csa); |
Michal Kazior | 37fa2bd | 2014-02-28 15:59:06 +0100 | [diff] [blame] | 3087 | if (err < 0) { |
| 3088 | kfree(sdata->u.ap.next_beacon); |
| 3089 | return err; |
| 3090 | } |
| 3091 | *changed |= err; |
| 3092 | |
| 3093 | break; |
| 3094 | case NL80211_IFTYPE_ADHOC: |
| 3095 | if (!sdata->vif.bss_conf.ibss_joined) |
| 3096 | return -EINVAL; |
| 3097 | |
| 3098 | if (params->chandef.width != sdata->u.ibss.chandef.width) |
| 3099 | return -EINVAL; |
| 3100 | |
| 3101 | switch (params->chandef.width) { |
| 3102 | case NL80211_CHAN_WIDTH_40: |
| 3103 | if (cfg80211_get_chandef_type(¶ms->chandef) != |
| 3104 | cfg80211_get_chandef_type(&sdata->u.ibss.chandef)) |
| 3105 | return -EINVAL; |
| 3106 | case NL80211_CHAN_WIDTH_5: |
| 3107 | case NL80211_CHAN_WIDTH_10: |
| 3108 | case NL80211_CHAN_WIDTH_20_NOHT: |
| 3109 | case NL80211_CHAN_WIDTH_20: |
| 3110 | break; |
| 3111 | default: |
| 3112 | return -EINVAL; |
| 3113 | } |
| 3114 | |
| 3115 | /* changes into another band are not supported */ |
| 3116 | if (sdata->u.ibss.chandef.chan->band != |
| 3117 | params->chandef.chan->band) |
| 3118 | return -EINVAL; |
| 3119 | |
| 3120 | /* see comments in the NL80211_IFTYPE_AP block */ |
| 3121 | if (params->count > 1) { |
| 3122 | err = ieee80211_ibss_csa_beacon(sdata, params); |
| 3123 | if (err < 0) |
| 3124 | return err; |
| 3125 | *changed |= err; |
| 3126 | } |
| 3127 | |
| 3128 | ieee80211_send_action_csa(sdata, params); |
| 3129 | |
| 3130 | break; |
| 3131 | #ifdef CONFIG_MAC80211_MESH |
| 3132 | case NL80211_IFTYPE_MESH_POINT: { |
| 3133 | struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; |
| 3134 | |
| 3135 | if (params->chandef.width != sdata->vif.bss_conf.chandef.width) |
| 3136 | return -EINVAL; |
| 3137 | |
| 3138 | /* changes into another band are not supported */ |
| 3139 | if (sdata->vif.bss_conf.chandef.chan->band != |
| 3140 | params->chandef.chan->band) |
| 3141 | return -EINVAL; |
| 3142 | |
| 3143 | if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_NONE) { |
| 3144 | ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_INIT; |
| 3145 | if (!ifmsh->pre_value) |
| 3146 | ifmsh->pre_value = 1; |
| 3147 | else |
| 3148 | ifmsh->pre_value++; |
| 3149 | } |
| 3150 | |
| 3151 | /* see comments in the NL80211_IFTYPE_AP block */ |
| 3152 | if (params->count > 1) { |
| 3153 | err = ieee80211_mesh_csa_beacon(sdata, params); |
| 3154 | if (err < 0) { |
| 3155 | ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_NONE; |
| 3156 | return err; |
| 3157 | } |
| 3158 | *changed |= err; |
| 3159 | } |
| 3160 | |
| 3161 | if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_INIT) |
| 3162 | ieee80211_send_action_csa(sdata, params); |
| 3163 | |
| 3164 | break; |
| 3165 | } |
| 3166 | #endif |
| 3167 | default: |
| 3168 | return -EOPNOTSUPP; |
| 3169 | } |
| 3170 | |
| 3171 | return 0; |
| 3172 | } |
| 3173 | |
Luciano Coelho | f29f58a | 2014-05-07 20:05:12 +0300 | [diff] [blame] | 3174 | static int |
| 3175 | __ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev, |
| 3176 | struct cfg80211_csa_settings *params) |
Simon Wunderlich | 73da7d5 | 2013-07-11 16:09:06 +0200 | [diff] [blame] | 3177 | { |
| 3178 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
| 3179 | struct ieee80211_local *local = sdata->local; |
Luciano Coelho | 6d027bc | 2014-10-08 09:48:37 +0300 | [diff] [blame] | 3180 | struct ieee80211_channel_switch ch_switch; |
Michal Kazior | 2b32713 | 2014-04-09 15:29:32 +0200 | [diff] [blame] | 3181 | struct ieee80211_chanctx_conf *conf; |
Simon Wunderlich | 73da7d5 | 2013-07-11 16:09:06 +0200 | [diff] [blame] | 3182 | struct ieee80211_chanctx *chanctx; |
Johannes Berg | b08cc24 | 2014-10-20 21:36:04 +0200 | [diff] [blame] | 3183 | u32 changed = 0; |
| 3184 | int err; |
Simon Wunderlich | 73da7d5 | 2013-07-11 16:09:06 +0200 | [diff] [blame] | 3185 | |
Michal Kazior | dbd7285 | 2014-01-29 07:56:21 +0100 | [diff] [blame] | 3186 | sdata_assert_lock(sdata); |
Michal Kazior | 59af692 | 2014-04-09 15:10:59 +0200 | [diff] [blame] | 3187 | lockdep_assert_held(&local->mtx); |
Simon Wunderlich | 7ca133b | 2013-11-21 18:19:50 +0100 | [diff] [blame] | 3188 | |
Simon Wunderlich | 73da7d5 | 2013-07-11 16:09:06 +0200 | [diff] [blame] | 3189 | if (!list_empty(&local->roc_list) || local->scanning) |
| 3190 | return -EBUSY; |
| 3191 | |
| 3192 | if (sdata->wdev.cac_started) |
| 3193 | return -EBUSY; |
| 3194 | |
| 3195 | if (cfg80211_chandef_identical(¶ms->chandef, |
| 3196 | &sdata->vif.bss_conf.chandef)) |
| 3197 | return -EINVAL; |
| 3198 | |
Simon Wunderlich | 73da7d5 | 2013-07-11 16:09:06 +0200 | [diff] [blame] | 3199 | /* don't allow another channel switch if one is already active. */ |
| 3200 | if (sdata->vif.csa_active) |
| 3201 | return -EBUSY; |
| 3202 | |
Michal Kazior | 03078de | 2014-06-25 12:35:08 +0200 | [diff] [blame] | 3203 | mutex_lock(&local->chanctx_mtx); |
| 3204 | conf = rcu_dereference_protected(sdata->vif.chanctx_conf, |
| 3205 | lockdep_is_held(&local->chanctx_mtx)); |
| 3206 | if (!conf) { |
| 3207 | err = -EBUSY; |
| 3208 | goto out; |
| 3209 | } |
Simon Wunderlich | 73da7d5 | 2013-07-11 16:09:06 +0200 | [diff] [blame] | 3210 | |
Michal Kazior | 03078de | 2014-06-25 12:35:08 +0200 | [diff] [blame] | 3211 | chanctx = container_of(conf, struct ieee80211_chanctx, conf); |
| 3212 | if (!chanctx) { |
| 3213 | err = -EBUSY; |
| 3214 | goto out; |
| 3215 | } |
| 3216 | |
Luciano Coelho | 000baa5 | 2014-11-07 15:28:33 +0200 | [diff] [blame] | 3217 | ch_switch.timestamp = 0; |
| 3218 | ch_switch.device_timestamp = 0; |
| 3219 | ch_switch.block_tx = params->block_tx; |
| 3220 | ch_switch.chandef = params->chandef; |
| 3221 | ch_switch.count = params->count; |
| 3222 | |
Luciano Coelho | 6d027bc | 2014-10-08 09:48:37 +0300 | [diff] [blame] | 3223 | err = drv_pre_channel_switch(sdata, &ch_switch); |
| 3224 | if (err) |
| 3225 | goto out; |
| 3226 | |
Michal Kazior | 03078de | 2014-06-25 12:35:08 +0200 | [diff] [blame] | 3227 | err = ieee80211_vif_reserve_chanctx(sdata, ¶ms->chandef, |
| 3228 | chanctx->mode, |
| 3229 | params->radar_required); |
| 3230 | if (err) |
| 3231 | goto out; |
| 3232 | |
| 3233 | /* if reservation is invalid then this will fail */ |
| 3234 | err = ieee80211_check_combinations(sdata, NULL, chanctx->mode, 0); |
| 3235 | if (err) { |
| 3236 | ieee80211_vif_unreserve_chanctx(sdata); |
| 3237 | goto out; |
| 3238 | } |
| 3239 | |
| 3240 | err = ieee80211_set_csa_beacon(sdata, params, &changed); |
| 3241 | if (err) { |
| 3242 | ieee80211_vif_unreserve_chanctx(sdata); |
| 3243 | goto out; |
| 3244 | } |
| 3245 | |
Luciano Coelho | 33787fc | 2013-11-11 20:34:54 +0200 | [diff] [blame] | 3246 | sdata->csa_chandef = params->chandef; |
Michal Kazior | 59af692 | 2014-04-09 15:10:59 +0200 | [diff] [blame] | 3247 | sdata->csa_block_tx = params->block_tx; |
Simon Wunderlich | 73da7d5 | 2013-07-11 16:09:06 +0200 | [diff] [blame] | 3248 | sdata->vif.csa_active = true; |
| 3249 | |
Michal Kazior | 59af692 | 2014-04-09 15:10:59 +0200 | [diff] [blame] | 3250 | if (sdata->csa_block_tx) |
Luciano Coelho | a46992b | 2014-06-13 16:30:07 +0300 | [diff] [blame] | 3251 | ieee80211_stop_vif_queues(local, sdata, |
| 3252 | IEEE80211_QUEUE_STOP_REASON_CSA); |
Michal Kazior | 59af692 | 2014-04-09 15:10:59 +0200 | [diff] [blame] | 3253 | |
Luciano Coelho | 2f45729 | 2014-11-07 14:31:36 +0200 | [diff] [blame] | 3254 | cfg80211_ch_switch_started_notify(sdata->dev, &sdata->csa_chandef, |
| 3255 | params->count); |
| 3256 | |
Luciano Coelho | 66e01cf | 2014-01-13 19:43:00 +0200 | [diff] [blame] | 3257 | if (changed) { |
| 3258 | ieee80211_bss_info_change_notify(sdata, changed); |
| 3259 | drv_channel_switch_beacon(sdata, ¶ms->chandef); |
| 3260 | } else { |
| 3261 | /* if the beacon didn't change, we can finalize immediately */ |
| 3262 | ieee80211_csa_finalize(sdata); |
| 3263 | } |
Simon Wunderlich | 73da7d5 | 2013-07-11 16:09:06 +0200 | [diff] [blame] | 3264 | |
Michal Kazior | 03078de | 2014-06-25 12:35:08 +0200 | [diff] [blame] | 3265 | out: |
| 3266 | mutex_unlock(&local->chanctx_mtx); |
| 3267 | return err; |
Simon Wunderlich | 73da7d5 | 2013-07-11 16:09:06 +0200 | [diff] [blame] | 3268 | } |
| 3269 | |
Michal Kazior | 59af692 | 2014-04-09 15:10:59 +0200 | [diff] [blame] | 3270 | int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev, |
| 3271 | struct cfg80211_csa_settings *params) |
| 3272 | { |
| 3273 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
| 3274 | struct ieee80211_local *local = sdata->local; |
| 3275 | int err; |
| 3276 | |
| 3277 | mutex_lock(&local->mtx); |
| 3278 | err = __ieee80211_channel_switch(wiphy, dev, params); |
| 3279 | mutex_unlock(&local->mtx); |
| 3280 | |
| 3281 | return err; |
| 3282 | } |
| 3283 | |
Johannes Berg | 71bbc99 | 2012-06-15 15:30:18 +0200 | [diff] [blame] | 3284 | static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev, |
Andrei Otcheretianski | b176e62 | 2013-11-18 19:06:49 +0200 | [diff] [blame] | 3285 | struct cfg80211_mgmt_tx_params *params, |
| 3286 | u64 *cookie) |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 3287 | { |
Johannes Berg | 71bbc99 | 2012-06-15 15:30:18 +0200 | [diff] [blame] | 3288 | struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); |
Johannes Berg | 9d38d85 | 2010-06-09 17:20:33 +0200 | [diff] [blame] | 3289 | struct ieee80211_local *local = sdata->local; |
| 3290 | struct sk_buff *skb; |
| 3291 | struct sta_info *sta; |
Andrei Otcheretianski | b176e62 | 2013-11-18 19:06:49 +0200 | [diff] [blame] | 3292 | const struct ieee80211_mgmt *mgmt = (void *)params->buf; |
Johannes Berg | 2eb278e | 2012-06-05 14:28:42 +0200 | [diff] [blame] | 3293 | bool need_offchan = false; |
Johannes Berg | e247bd90 | 2011-11-04 11:18:21 +0100 | [diff] [blame] | 3294 | u32 flags; |
Johannes Berg | 2eb278e | 2012-06-05 14:28:42 +0200 | [diff] [blame] | 3295 | int ret; |
Andrei Otcheretianski | 387910c | 2014-05-09 14:11:45 +0300 | [diff] [blame] | 3296 | u8 *data; |
Johannes Berg | f7ca38d | 2010-11-25 10:02:29 +0100 | [diff] [blame] | 3297 | |
Andrei Otcheretianski | b176e62 | 2013-11-18 19:06:49 +0200 | [diff] [blame] | 3298 | if (params->dont_wait_for_ack) |
Johannes Berg | e247bd90 | 2011-11-04 11:18:21 +0100 | [diff] [blame] | 3299 | flags = IEEE80211_TX_CTL_NO_ACK; |
| 3300 | else |
| 3301 | flags = IEEE80211_TX_INTFL_NL80211_FRAME_TX | |
| 3302 | IEEE80211_TX_CTL_REQ_TX_STATUS; |
| 3303 | |
Andrei Otcheretianski | b176e62 | 2013-11-18 19:06:49 +0200 | [diff] [blame] | 3304 | if (params->no_cck) |
Rajkumar Manoharan | aad14ce | 2011-09-25 14:53:31 +0530 | [diff] [blame] | 3305 | flags |= IEEE80211_TX_CTL_NO_CCK_RATE; |
| 3306 | |
Johannes Berg | 9d38d85 | 2010-06-09 17:20:33 +0200 | [diff] [blame] | 3307 | switch (sdata->vif.type) { |
| 3308 | case NL80211_IFTYPE_ADHOC: |
Johannes Berg | 2eb278e | 2012-06-05 14:28:42 +0200 | [diff] [blame] | 3309 | if (!sdata->vif.bss_conf.ibss_joined) |
| 3310 | need_offchan = true; |
| 3311 | /* fall through */ |
| 3312 | #ifdef CONFIG_MAC80211_MESH |
| 3313 | case NL80211_IFTYPE_MESH_POINT: |
| 3314 | if (ieee80211_vif_is_mesh(&sdata->vif) && |
| 3315 | !sdata->u.mesh.mesh_id_len) |
| 3316 | need_offchan = true; |
| 3317 | /* fall through */ |
| 3318 | #endif |
Johannes Berg | 663fcaf | 2010-09-30 21:06:09 +0200 | [diff] [blame] | 3319 | case NL80211_IFTYPE_AP: |
| 3320 | case NL80211_IFTYPE_AP_VLAN: |
| 3321 | case NL80211_IFTYPE_P2P_GO: |
Johannes Berg | 2eb278e | 2012-06-05 14:28:42 +0200 | [diff] [blame] | 3322 | if (sdata->vif.type != NL80211_IFTYPE_ADHOC && |
| 3323 | !ieee80211_vif_is_mesh(&sdata->vif) && |
| 3324 | !rcu_access_pointer(sdata->bss->beacon)) |
| 3325 | need_offchan = true; |
Johannes Berg | 663fcaf | 2010-09-30 21:06:09 +0200 | [diff] [blame] | 3326 | if (!ieee80211_is_action(mgmt->frame_control) || |
Thomas Pedersen | ac49e1a | 2013-06-20 23:50:58 -0700 | [diff] [blame] | 3327 | mgmt->u.action.category == WLAN_CATEGORY_PUBLIC || |
Simon Wunderlich | cd7760e | 2013-08-28 13:41:31 +0200 | [diff] [blame] | 3328 | mgmt->u.action.category == WLAN_CATEGORY_SELF_PROTECTED || |
| 3329 | mgmt->u.action.category == WLAN_CATEGORY_SPECTRUM_MGMT) |
Johannes Berg | 9d38d85 | 2010-06-09 17:20:33 +0200 | [diff] [blame] | 3330 | break; |
| 3331 | rcu_read_lock(); |
| 3332 | sta = sta_info_get(sdata, mgmt->da); |
| 3333 | rcu_read_unlock(); |
| 3334 | if (!sta) |
| 3335 | return -ENOLINK; |
| 3336 | break; |
| 3337 | case NL80211_IFTYPE_STATION: |
Johannes Berg | 663fcaf | 2010-09-30 21:06:09 +0200 | [diff] [blame] | 3338 | case NL80211_IFTYPE_P2P_CLIENT: |
Johannes Berg | 2eb278e | 2012-06-05 14:28:42 +0200 | [diff] [blame] | 3339 | if (!sdata->u.mgd.associated) |
| 3340 | need_offchan = true; |
Johannes Berg | 9d38d85 | 2010-06-09 17:20:33 +0200 | [diff] [blame] | 3341 | break; |
Johannes Berg | f142c6b | 2012-06-18 20:07:15 +0200 | [diff] [blame] | 3342 | case NL80211_IFTYPE_P2P_DEVICE: |
| 3343 | need_offchan = true; |
| 3344 | break; |
Johannes Berg | 9d38d85 | 2010-06-09 17:20:33 +0200 | [diff] [blame] | 3345 | default: |
| 3346 | return -EOPNOTSUPP; |
| 3347 | } |
| 3348 | |
Antonio Quartulli | f7aeb6f | 2013-06-11 14:20:00 +0200 | [diff] [blame] | 3349 | /* configurations requiring offchan cannot work if no channel has been |
| 3350 | * specified |
| 3351 | */ |
Andrei Otcheretianski | b176e62 | 2013-11-18 19:06:49 +0200 | [diff] [blame] | 3352 | if (need_offchan && !params->chan) |
Antonio Quartulli | f7aeb6f | 2013-06-11 14:20:00 +0200 | [diff] [blame] | 3353 | return -EINVAL; |
| 3354 | |
Johannes Berg | 2eb278e | 2012-06-05 14:28:42 +0200 | [diff] [blame] | 3355 | mutex_lock(&local->mtx); |
| 3356 | |
| 3357 | /* Check if the operating channel is the requested channel */ |
| 3358 | if (!need_offchan) { |
Johannes Berg | 55de908 | 2012-07-26 17:24:39 +0200 | [diff] [blame] | 3359 | struct ieee80211_chanctx_conf *chanctx_conf; |
| 3360 | |
| 3361 | rcu_read_lock(); |
| 3362 | chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); |
| 3363 | |
Antonio Quartulli | f7aeb6f | 2013-06-11 14:20:00 +0200 | [diff] [blame] | 3364 | if (chanctx_conf) { |
Andrei Otcheretianski | b176e62 | 2013-11-18 19:06:49 +0200 | [diff] [blame] | 3365 | need_offchan = params->chan && |
| 3366 | (params->chan != |
| 3367 | chanctx_conf->def.chan); |
| 3368 | } else if (!params->chan) { |
Antonio Quartulli | f7aeb6f | 2013-06-11 14:20:00 +0200 | [diff] [blame] | 3369 | ret = -EINVAL; |
| 3370 | rcu_read_unlock(); |
| 3371 | goto out_unlock; |
| 3372 | } else { |
Johannes Berg | 2eb278e | 2012-06-05 14:28:42 +0200 | [diff] [blame] | 3373 | need_offchan = true; |
Antonio Quartulli | f7aeb6f | 2013-06-11 14:20:00 +0200 | [diff] [blame] | 3374 | } |
Johannes Berg | 55de908 | 2012-07-26 17:24:39 +0200 | [diff] [blame] | 3375 | rcu_read_unlock(); |
Johannes Berg | 2eb278e | 2012-06-05 14:28:42 +0200 | [diff] [blame] | 3376 | } |
| 3377 | |
Andrei Otcheretianski | b176e62 | 2013-11-18 19:06:49 +0200 | [diff] [blame] | 3378 | if (need_offchan && !params->offchan) { |
Johannes Berg | 2eb278e | 2012-06-05 14:28:42 +0200 | [diff] [blame] | 3379 | ret = -EBUSY; |
| 3380 | goto out_unlock; |
| 3381 | } |
| 3382 | |
Andrei Otcheretianski | b176e62 | 2013-11-18 19:06:49 +0200 | [diff] [blame] | 3383 | skb = dev_alloc_skb(local->hw.extra_tx_headroom + params->len); |
Johannes Berg | 2eb278e | 2012-06-05 14:28:42 +0200 | [diff] [blame] | 3384 | if (!skb) { |
| 3385 | ret = -ENOMEM; |
| 3386 | goto out_unlock; |
| 3387 | } |
Johannes Berg | 9d38d85 | 2010-06-09 17:20:33 +0200 | [diff] [blame] | 3388 | skb_reserve(skb, local->hw.extra_tx_headroom); |
| 3389 | |
Andrei Otcheretianski | 387910c | 2014-05-09 14:11:45 +0300 | [diff] [blame] | 3390 | data = skb_put(skb, params->len); |
| 3391 | memcpy(data, params->buf, params->len); |
| 3392 | |
| 3393 | /* Update CSA counters */ |
| 3394 | if (sdata->vif.csa_active && |
| 3395 | (sdata->vif.type == NL80211_IFTYPE_AP || |
| 3396 | sdata->vif.type == NL80211_IFTYPE_ADHOC) && |
| 3397 | params->n_csa_offsets) { |
| 3398 | int i; |
Michal Kazior | af296bd | 2014-06-05 14:21:36 +0200 | [diff] [blame] | 3399 | struct beacon_data *beacon = NULL; |
Andrei Otcheretianski | 387910c | 2014-05-09 14:11:45 +0300 | [diff] [blame] | 3400 | |
Michal Kazior | af296bd | 2014-06-05 14:21:36 +0200 | [diff] [blame] | 3401 | rcu_read_lock(); |
| 3402 | |
| 3403 | if (sdata->vif.type == NL80211_IFTYPE_AP) |
| 3404 | beacon = rcu_dereference(sdata->u.ap.beacon); |
| 3405 | else if (sdata->vif.type == NL80211_IFTYPE_ADHOC) |
| 3406 | beacon = rcu_dereference(sdata->u.ibss.presp); |
| 3407 | else if (ieee80211_vif_is_mesh(&sdata->vif)) |
| 3408 | beacon = rcu_dereference(sdata->u.mesh.beacon); |
| 3409 | |
| 3410 | if (beacon) |
| 3411 | for (i = 0; i < params->n_csa_offsets; i++) |
| 3412 | data[params->csa_offsets[i]] = |
| 3413 | beacon->csa_current_counter; |
| 3414 | |
| 3415 | rcu_read_unlock(); |
Andrei Otcheretianski | 387910c | 2014-05-09 14:11:45 +0300 | [diff] [blame] | 3416 | } |
Johannes Berg | 9d38d85 | 2010-06-09 17:20:33 +0200 | [diff] [blame] | 3417 | |
| 3418 | IEEE80211_SKB_CB(skb)->flags = flags; |
| 3419 | |
Johannes Berg | 2eb278e | 2012-06-05 14:28:42 +0200 | [diff] [blame] | 3420 | skb->dev = sdata->dev; |
| 3421 | |
| 3422 | if (!need_offchan) { |
Nicolas Cavallari | 7f9f78a | 2012-07-16 18:36:52 +0200 | [diff] [blame] | 3423 | *cookie = (unsigned long) skb; |
Johannes Berg | 2eb278e | 2012-06-05 14:28:42 +0200 | [diff] [blame] | 3424 | ieee80211_tx_skb(sdata, skb); |
| 3425 | ret = 0; |
| 3426 | goto out_unlock; |
| 3427 | } |
| 3428 | |
Seth Forshee | 6c17b77 | 2013-02-11 11:21:07 -0600 | [diff] [blame] | 3429 | IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_TX_OFFCHAN | |
| 3430 | IEEE80211_TX_INTFL_OFFCHAN_TX_OK; |
Johannes Berg | 2eb278e | 2012-06-05 14:28:42 +0200 | [diff] [blame] | 3431 | if (local->hw.flags & IEEE80211_HW_QUEUE_CONTROL) |
Johannes Berg | 3a25a8c | 2012-04-03 16:28:50 +0200 | [diff] [blame] | 3432 | IEEE80211_SKB_CB(skb)->hw_queue = |
| 3433 | local->hw.offchannel_tx_hw_queue; |
| 3434 | |
Johannes Berg | 2eb278e | 2012-06-05 14:28:42 +0200 | [diff] [blame] | 3435 | /* This will handle all kinds of coalescing and immediate TX */ |
Andrei Otcheretianski | b176e62 | 2013-11-18 19:06:49 +0200 | [diff] [blame] | 3436 | ret = ieee80211_start_roc_work(local, sdata, params->chan, |
| 3437 | params->wait, cookie, skb, |
Ilan Peer | d339d5c | 2013-02-12 09:34:13 +0200 | [diff] [blame] | 3438 | IEEE80211_ROC_TYPE_MGMT_TX); |
Johannes Berg | 2eb278e | 2012-06-05 14:28:42 +0200 | [diff] [blame] | 3439 | if (ret) |
Johannes Berg | f30221e | 2010-11-25 10:02:30 +0100 | [diff] [blame] | 3440 | kfree_skb(skb); |
Johannes Berg | 2eb278e | 2012-06-05 14:28:42 +0200 | [diff] [blame] | 3441 | out_unlock: |
| 3442 | mutex_unlock(&local->mtx); |
| 3443 | return ret; |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 3444 | } |
| 3445 | |
Johannes Berg | f30221e | 2010-11-25 10:02:30 +0100 | [diff] [blame] | 3446 | static int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy, |
Johannes Berg | 71bbc99 | 2012-06-15 15:30:18 +0200 | [diff] [blame] | 3447 | struct wireless_dev *wdev, |
Johannes Berg | f30221e | 2010-11-25 10:02:30 +0100 | [diff] [blame] | 3448 | u64 cookie) |
| 3449 | { |
Johannes Berg | 71bbc99 | 2012-06-15 15:30:18 +0200 | [diff] [blame] | 3450 | struct ieee80211_local *local = wiphy_priv(wiphy); |
Johannes Berg | f30221e | 2010-11-25 10:02:30 +0100 | [diff] [blame] | 3451 | |
Johannes Berg | 2eb278e | 2012-06-05 14:28:42 +0200 | [diff] [blame] | 3452 | return ieee80211_cancel_roc(local, cookie, true); |
Johannes Berg | f30221e | 2010-11-25 10:02:30 +0100 | [diff] [blame] | 3453 | } |
| 3454 | |
Johannes Berg | 7be5086 | 2010-10-13 12:06:24 +0200 | [diff] [blame] | 3455 | static void ieee80211_mgmt_frame_register(struct wiphy *wiphy, |
Johannes Berg | 71bbc99 | 2012-06-15 15:30:18 +0200 | [diff] [blame] | 3456 | struct wireless_dev *wdev, |
Johannes Berg | 7be5086 | 2010-10-13 12:06:24 +0200 | [diff] [blame] | 3457 | u16 frame_type, bool reg) |
| 3458 | { |
| 3459 | struct ieee80211_local *local = wiphy_priv(wiphy); |
| 3460 | |
Will Hawkins | 6abe056 | 2012-06-20 11:51:14 -0400 | [diff] [blame] | 3461 | switch (frame_type) { |
Will Hawkins | 6abe056 | 2012-06-20 11:51:14 -0400 | [diff] [blame] | 3462 | case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ: |
| 3463 | if (reg) |
| 3464 | local->probe_req_reg++; |
| 3465 | else |
| 3466 | local->probe_req_reg--; |
Johannes Berg | 7be5086 | 2010-10-13 12:06:24 +0200 | [diff] [blame] | 3467 | |
Felix Fietkau | 35f5149 | 2012-10-31 15:50:34 +0100 | [diff] [blame] | 3468 | if (!local->open_count) |
| 3469 | break; |
| 3470 | |
Will Hawkins | 6abe056 | 2012-06-20 11:51:14 -0400 | [diff] [blame] | 3471 | ieee80211_queue_work(&local->hw, &local->reconfig_filter); |
| 3472 | break; |
| 3473 | default: |
| 3474 | break; |
| 3475 | } |
Johannes Berg | 7be5086 | 2010-10-13 12:06:24 +0200 | [diff] [blame] | 3476 | } |
| 3477 | |
Bruno Randolf | 15d9675 | 2010-11-10 12:50:56 +0900 | [diff] [blame] | 3478 | static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant) |
| 3479 | { |
| 3480 | struct ieee80211_local *local = wiphy_priv(wiphy); |
| 3481 | |
| 3482 | if (local->started) |
| 3483 | return -EOPNOTSUPP; |
| 3484 | |
| 3485 | return drv_set_antenna(local, tx_ant, rx_ant); |
| 3486 | } |
| 3487 | |
| 3488 | static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant) |
| 3489 | { |
| 3490 | struct ieee80211_local *local = wiphy_priv(wiphy); |
| 3491 | |
| 3492 | return drv_get_antenna(local, tx_ant, rx_ant); |
| 3493 | } |
| 3494 | |
Johannes Berg | c68f4b8 | 2011-07-05 16:35:41 +0200 | [diff] [blame] | 3495 | static int ieee80211_set_rekey_data(struct wiphy *wiphy, |
| 3496 | struct net_device *dev, |
| 3497 | struct cfg80211_gtk_rekey_data *data) |
| 3498 | { |
| 3499 | struct ieee80211_local *local = wiphy_priv(wiphy); |
| 3500 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
| 3501 | |
| 3502 | if (!local->ops->set_rekey_data) |
| 3503 | return -EOPNOTSUPP; |
| 3504 | |
| 3505 | drv_set_rekey_data(local, sdata, data); |
| 3506 | |
| 3507 | return 0; |
| 3508 | } |
| 3509 | |
Johannes Berg | 0650073 | 2011-11-04 11:18:16 +0100 | [diff] [blame] | 3510 | static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev, |
| 3511 | const u8 *peer, u64 *cookie) |
| 3512 | { |
| 3513 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
| 3514 | struct ieee80211_local *local = sdata->local; |
| 3515 | struct ieee80211_qos_hdr *nullfunc; |
| 3516 | struct sk_buff *skb; |
| 3517 | int size = sizeof(*nullfunc); |
| 3518 | __le16 fc; |
| 3519 | bool qos; |
| 3520 | struct ieee80211_tx_info *info; |
| 3521 | struct sta_info *sta; |
Johannes Berg | 55de908 | 2012-07-26 17:24:39 +0200 | [diff] [blame] | 3522 | struct ieee80211_chanctx_conf *chanctx_conf; |
| 3523 | enum ieee80211_band band; |
Johannes Berg | 0650073 | 2011-11-04 11:18:16 +0100 | [diff] [blame] | 3524 | |
| 3525 | rcu_read_lock(); |
Johannes Berg | 55de908 | 2012-07-26 17:24:39 +0200 | [diff] [blame] | 3526 | chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); |
| 3527 | if (WARN_ON(!chanctx_conf)) { |
| 3528 | rcu_read_unlock(); |
| 3529 | return -EINVAL; |
| 3530 | } |
Johannes Berg | 4bf8853 | 2012-11-09 11:39:59 +0100 | [diff] [blame] | 3531 | band = chanctx_conf->def.chan->band; |
Felix Fietkau | 03bb7f4 | 2013-09-29 21:39:33 +0200 | [diff] [blame] | 3532 | sta = sta_info_get_bss(sdata, peer); |
Johannes Berg | b4487c2 | 2011-11-11 20:22:30 +0100 | [diff] [blame] | 3533 | if (sta) { |
Johannes Berg | a74a8c8 | 2014-07-22 14:50:47 +0200 | [diff] [blame] | 3534 | qos = sta->sta.wme; |
Johannes Berg | b4487c2 | 2011-11-11 20:22:30 +0100 | [diff] [blame] | 3535 | } else { |
| 3536 | rcu_read_unlock(); |
Johannes Berg | 0650073 | 2011-11-04 11:18:16 +0100 | [diff] [blame] | 3537 | return -ENOLINK; |
Johannes Berg | b4487c2 | 2011-11-11 20:22:30 +0100 | [diff] [blame] | 3538 | } |
Johannes Berg | 0650073 | 2011-11-04 11:18:16 +0100 | [diff] [blame] | 3539 | |
| 3540 | if (qos) { |
| 3541 | fc = cpu_to_le16(IEEE80211_FTYPE_DATA | |
| 3542 | IEEE80211_STYPE_QOS_NULLFUNC | |
| 3543 | IEEE80211_FCTL_FROMDS); |
| 3544 | } else { |
| 3545 | size -= 2; |
| 3546 | fc = cpu_to_le16(IEEE80211_FTYPE_DATA | |
| 3547 | IEEE80211_STYPE_NULLFUNC | |
| 3548 | IEEE80211_FCTL_FROMDS); |
| 3549 | } |
| 3550 | |
| 3551 | skb = dev_alloc_skb(local->hw.extra_tx_headroom + size); |
Johannes Berg | 55de908 | 2012-07-26 17:24:39 +0200 | [diff] [blame] | 3552 | if (!skb) { |
| 3553 | rcu_read_unlock(); |
Johannes Berg | 0650073 | 2011-11-04 11:18:16 +0100 | [diff] [blame] | 3554 | return -ENOMEM; |
Johannes Berg | 55de908 | 2012-07-26 17:24:39 +0200 | [diff] [blame] | 3555 | } |
Johannes Berg | 0650073 | 2011-11-04 11:18:16 +0100 | [diff] [blame] | 3556 | |
| 3557 | skb->dev = dev; |
| 3558 | |
| 3559 | skb_reserve(skb, local->hw.extra_tx_headroom); |
| 3560 | |
| 3561 | nullfunc = (void *) skb_put(skb, size); |
| 3562 | nullfunc->frame_control = fc; |
| 3563 | nullfunc->duration_id = 0; |
| 3564 | memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN); |
| 3565 | memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN); |
| 3566 | memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN); |
| 3567 | nullfunc->seq_ctrl = 0; |
| 3568 | |
| 3569 | info = IEEE80211_SKB_CB(skb); |
| 3570 | |
| 3571 | info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS | |
| 3572 | IEEE80211_TX_INTFL_NL80211_FRAME_TX; |
Johannes Berg | 73c4e19 | 2014-11-09 18:50:09 +0200 | [diff] [blame] | 3573 | info->band = band; |
Johannes Berg | 0650073 | 2011-11-04 11:18:16 +0100 | [diff] [blame] | 3574 | |
| 3575 | skb_set_queue_mapping(skb, IEEE80211_AC_VO); |
| 3576 | skb->priority = 7; |
| 3577 | if (qos) |
| 3578 | nullfunc->qos_ctrl = cpu_to_le16(7); |
| 3579 | |
| 3580 | local_bh_disable(); |
Johannes Berg | 7c10770 | 2015-03-20 14:18:27 +0100 | [diff] [blame] | 3581 | ieee80211_xmit(sdata, sta, skb); |
Johannes Berg | 0650073 | 2011-11-04 11:18:16 +0100 | [diff] [blame] | 3582 | local_bh_enable(); |
Johannes Berg | 55de908 | 2012-07-26 17:24:39 +0200 | [diff] [blame] | 3583 | rcu_read_unlock(); |
Johannes Berg | 0650073 | 2011-11-04 11:18:16 +0100 | [diff] [blame] | 3584 | |
| 3585 | *cookie = (unsigned long) skb; |
| 3586 | return 0; |
| 3587 | } |
| 3588 | |
Johannes Berg | 683b6d3 | 2012-11-08 21:25:48 +0100 | [diff] [blame] | 3589 | static int ieee80211_cfg_get_channel(struct wiphy *wiphy, |
| 3590 | struct wireless_dev *wdev, |
| 3591 | struct cfg80211_chan_def *chandef) |
Johannes Berg | 5b7ccaf | 2012-07-12 19:45:08 +0200 | [diff] [blame] | 3592 | { |
Johannes Berg | 55de908 | 2012-07-26 17:24:39 +0200 | [diff] [blame] | 3593 | struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); |
Felix Fietkau | cb601ff | 2013-02-23 19:02:14 +0100 | [diff] [blame] | 3594 | struct ieee80211_local *local = wiphy_priv(wiphy); |
Johannes Berg | 55de908 | 2012-07-26 17:24:39 +0200 | [diff] [blame] | 3595 | struct ieee80211_chanctx_conf *chanctx_conf; |
Johannes Berg | 683b6d3 | 2012-11-08 21:25:48 +0100 | [diff] [blame] | 3596 | int ret = -ENODATA; |
Johannes Berg | 5b7ccaf | 2012-07-12 19:45:08 +0200 | [diff] [blame] | 3597 | |
Johannes Berg | 55de908 | 2012-07-26 17:24:39 +0200 | [diff] [blame] | 3598 | rcu_read_lock(); |
Johannes Berg | feda302 | 2013-02-28 09:59:22 +0100 | [diff] [blame] | 3599 | chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); |
| 3600 | if (chanctx_conf) { |
Luciano Coelho | c12bc48 | 2014-09-30 07:08:02 +0300 | [diff] [blame] | 3601 | *chandef = sdata->vif.bss_conf.chandef; |
Johannes Berg | feda302 | 2013-02-28 09:59:22 +0100 | [diff] [blame] | 3602 | ret = 0; |
| 3603 | } else if (local->open_count > 0 && |
| 3604 | local->open_count == local->monitors && |
| 3605 | sdata->vif.type == NL80211_IFTYPE_MONITOR) { |
| 3606 | if (local->use_chanctx) |
| 3607 | *chandef = local->monitor_chandef; |
| 3608 | else |
Karl Beldan | 675a0b0 | 2013-03-25 16:26:57 +0100 | [diff] [blame] | 3609 | *chandef = local->_oper_chandef; |
Johannes Berg | 683b6d3 | 2012-11-08 21:25:48 +0100 | [diff] [blame] | 3610 | ret = 0; |
Johannes Berg | 55de908 | 2012-07-26 17:24:39 +0200 | [diff] [blame] | 3611 | } |
| 3612 | rcu_read_unlock(); |
| 3613 | |
Johannes Berg | 683b6d3 | 2012-11-08 21:25:48 +0100 | [diff] [blame] | 3614 | return ret; |
Johannes Berg | 5b7ccaf | 2012-07-12 19:45:08 +0200 | [diff] [blame] | 3615 | } |
| 3616 | |
Johannes Berg | 6d52563 | 2012-04-04 15:05:25 +0200 | [diff] [blame] | 3617 | #ifdef CONFIG_PM |
| 3618 | static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled) |
| 3619 | { |
| 3620 | drv_set_wakeup(wiphy_priv(wiphy), enabled); |
| 3621 | } |
| 3622 | #endif |
| 3623 | |
Kyeyoon Park | 32db6b5 | 2013-12-16 23:04:43 -0800 | [diff] [blame] | 3624 | static int ieee80211_set_qos_map(struct wiphy *wiphy, |
| 3625 | struct net_device *dev, |
| 3626 | struct cfg80211_qos_map *qos_map) |
| 3627 | { |
| 3628 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
| 3629 | struct mac80211_qos_map *new_qos_map, *old_qos_map; |
| 3630 | |
| 3631 | if (qos_map) { |
| 3632 | new_qos_map = kzalloc(sizeof(*new_qos_map), GFP_KERNEL); |
| 3633 | if (!new_qos_map) |
| 3634 | return -ENOMEM; |
| 3635 | memcpy(&new_qos_map->qos_map, qos_map, sizeof(*qos_map)); |
| 3636 | } else { |
| 3637 | /* A NULL qos_map was passed to disable QoS mapping */ |
| 3638 | new_qos_map = NULL; |
| 3639 | } |
| 3640 | |
Johannes Berg | 194ff52 | 2013-12-30 23:12:37 +0100 | [diff] [blame] | 3641 | old_qos_map = sdata_dereference(sdata->qos_map, sdata); |
Kyeyoon Park | 32db6b5 | 2013-12-16 23:04:43 -0800 | [diff] [blame] | 3642 | rcu_assign_pointer(sdata->qos_map, new_qos_map); |
| 3643 | if (old_qos_map) |
| 3644 | kfree_rcu(old_qos_map, rcu_head); |
| 3645 | |
| 3646 | return 0; |
| 3647 | } |
| 3648 | |
Jouni Malinen | 3b1700b | 2014-04-28 11:22:25 +0300 | [diff] [blame] | 3649 | static int ieee80211_set_ap_chanwidth(struct wiphy *wiphy, |
| 3650 | struct net_device *dev, |
| 3651 | struct cfg80211_chan_def *chandef) |
| 3652 | { |
| 3653 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
| 3654 | int ret; |
| 3655 | u32 changed = 0; |
| 3656 | |
| 3657 | ret = ieee80211_vif_change_bandwidth(sdata, chandef, &changed); |
| 3658 | if (ret == 0) |
| 3659 | ieee80211_bss_info_change_notify(sdata, changed); |
| 3660 | |
| 3661 | return ret; |
| 3662 | } |
| 3663 | |
Johannes Berg | 02219b3 | 2014-10-07 10:38:50 +0300 | [diff] [blame] | 3664 | static int ieee80211_add_tx_ts(struct wiphy *wiphy, struct net_device *dev, |
| 3665 | u8 tsid, const u8 *peer, u8 up, |
| 3666 | u16 admitted_time) |
| 3667 | { |
| 3668 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
| 3669 | struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; |
| 3670 | int ac = ieee802_1d_to_ac[up]; |
| 3671 | |
| 3672 | if (sdata->vif.type != NL80211_IFTYPE_STATION) |
| 3673 | return -EOPNOTSUPP; |
| 3674 | |
| 3675 | if (!(sdata->wmm_acm & BIT(up))) |
| 3676 | return -EINVAL; |
| 3677 | |
| 3678 | if (ifmgd->tx_tspec[ac].admitted_time) |
| 3679 | return -EBUSY; |
| 3680 | |
| 3681 | if (admitted_time) { |
| 3682 | ifmgd->tx_tspec[ac].admitted_time = 32 * admitted_time; |
| 3683 | ifmgd->tx_tspec[ac].tsid = tsid; |
| 3684 | ifmgd->tx_tspec[ac].up = up; |
| 3685 | } |
| 3686 | |
| 3687 | return 0; |
| 3688 | } |
| 3689 | |
| 3690 | static int ieee80211_del_tx_ts(struct wiphy *wiphy, struct net_device *dev, |
| 3691 | u8 tsid, const u8 *peer) |
| 3692 | { |
| 3693 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
| 3694 | struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; |
| 3695 | struct ieee80211_local *local = wiphy_priv(wiphy); |
| 3696 | int ac; |
| 3697 | |
| 3698 | for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) { |
| 3699 | struct ieee80211_sta_tx_tspec *tx_tspec = &ifmgd->tx_tspec[ac]; |
| 3700 | |
| 3701 | /* skip unused entries */ |
| 3702 | if (!tx_tspec->admitted_time) |
| 3703 | continue; |
| 3704 | |
| 3705 | if (tx_tspec->tsid != tsid) |
| 3706 | continue; |
| 3707 | |
| 3708 | /* due to this new packets will be reassigned to non-ACM ACs */ |
| 3709 | tx_tspec->up = -1; |
| 3710 | |
| 3711 | /* Make sure that all packets have been sent to avoid to |
| 3712 | * restore the QoS params on packets that are still on the |
| 3713 | * queues. |
| 3714 | */ |
| 3715 | synchronize_net(); |
Emmanuel Grumbach | 3b24f4c | 2015-01-07 15:42:39 +0200 | [diff] [blame] | 3716 | ieee80211_flush_queues(local, sdata, false); |
Johannes Berg | 02219b3 | 2014-10-07 10:38:50 +0300 | [diff] [blame] | 3717 | |
| 3718 | /* restore the normal QoS parameters |
| 3719 | * (unconditionally to avoid races) |
| 3720 | */ |
| 3721 | tx_tspec->action = TX_TSPEC_ACTION_STOP_DOWNGRADE; |
| 3722 | tx_tspec->downgraded = false; |
| 3723 | ieee80211_sta_handle_tspec_ac_params(sdata); |
| 3724 | |
| 3725 | /* finally clear all the data */ |
| 3726 | memset(tx_tspec, 0, sizeof(*tx_tspec)); |
| 3727 | |
| 3728 | return 0; |
| 3729 | } |
| 3730 | |
| 3731 | return -ENOENT; |
| 3732 | } |
| 3733 | |
Johannes Berg | 8a47cea | 2014-01-20 23:55:44 +0100 | [diff] [blame] | 3734 | const struct cfg80211_ops mac80211_config_ops = { |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 3735 | .add_virtual_intf = ieee80211_add_iface, |
| 3736 | .del_virtual_intf = ieee80211_del_iface, |
Johannes Berg | 42613db | 2007-09-28 21:52:27 +0200 | [diff] [blame] | 3737 | .change_virtual_intf = ieee80211_change_iface, |
Johannes Berg | f142c6b | 2012-06-18 20:07:15 +0200 | [diff] [blame] | 3738 | .start_p2p_device = ieee80211_start_p2p_device, |
| 3739 | .stop_p2p_device = ieee80211_stop_p2p_device, |
Johannes Berg | e8cbb4c | 2007-12-19 02:03:30 +0100 | [diff] [blame] | 3740 | .add_key = ieee80211_add_key, |
| 3741 | .del_key = ieee80211_del_key, |
Johannes Berg | 62da92f | 2007-12-19 02:03:31 +0100 | [diff] [blame] | 3742 | .get_key = ieee80211_get_key, |
Johannes Berg | e8cbb4c | 2007-12-19 02:03:30 +0100 | [diff] [blame] | 3743 | .set_default_key = ieee80211_config_default_key, |
Jouni Malinen | 3cfcf6ac | 2009-01-08 13:32:02 +0200 | [diff] [blame] | 3744 | .set_default_mgmt_key = ieee80211_config_default_mgmt_key, |
Johannes Berg | 8860020 | 2012-02-13 15:17:18 +0100 | [diff] [blame] | 3745 | .start_ap = ieee80211_start_ap, |
| 3746 | .change_beacon = ieee80211_change_beacon, |
| 3747 | .stop_ap = ieee80211_stop_ap, |
Johannes Berg | 4fd6931 | 2007-12-19 02:03:35 +0100 | [diff] [blame] | 3748 | .add_station = ieee80211_add_station, |
| 3749 | .del_station = ieee80211_del_station, |
| 3750 | .change_station = ieee80211_change_station, |
Johannes Berg | 7bbdd2d | 2007-12-19 02:03:37 +0100 | [diff] [blame] | 3751 | .get_station = ieee80211_get_station, |
Luis Carlos Cobo | c5dd9c2 | 2008-02-23 15:17:17 +0100 | [diff] [blame] | 3752 | .dump_station = ieee80211_dump_station, |
Holger Schurig | 1289723 | 2010-04-19 10:23:57 +0200 | [diff] [blame] | 3753 | .dump_survey = ieee80211_dump_survey, |
Luis Carlos Cobo | c5dd9c2 | 2008-02-23 15:17:17 +0100 | [diff] [blame] | 3754 | #ifdef CONFIG_MAC80211_MESH |
| 3755 | .add_mpath = ieee80211_add_mpath, |
| 3756 | .del_mpath = ieee80211_del_mpath, |
| 3757 | .change_mpath = ieee80211_change_mpath, |
| 3758 | .get_mpath = ieee80211_get_mpath, |
| 3759 | .dump_mpath = ieee80211_dump_mpath, |
Henning Rogge | a2db2ed | 2014-09-12 08:58:50 +0200 | [diff] [blame] | 3760 | .get_mpp = ieee80211_get_mpp, |
| 3761 | .dump_mpp = ieee80211_dump_mpp, |
Javier Cardona | 24bdd9f | 2010-12-16 17:37:48 -0800 | [diff] [blame] | 3762 | .update_mesh_config = ieee80211_update_mesh_config, |
| 3763 | .get_mesh_config = ieee80211_get_mesh_config, |
Johannes Berg | 29cbe68 | 2010-12-03 09:20:44 +0100 | [diff] [blame] | 3764 | .join_mesh = ieee80211_join_mesh, |
| 3765 | .leave_mesh = ieee80211_leave_mesh, |
Luis Carlos Cobo | c5dd9c2 | 2008-02-23 15:17:17 +0100 | [diff] [blame] | 3766 | #endif |
Rostislav Lisovy | 239281f | 2014-11-03 10:33:19 +0100 | [diff] [blame] | 3767 | .join_ocb = ieee80211_join_ocb, |
| 3768 | .leave_ocb = ieee80211_leave_ocb, |
Jouni Malinen | 9f1ba90 | 2008-08-07 20:07:01 +0300 | [diff] [blame] | 3769 | .change_bss = ieee80211_change_bss, |
Jouni Malinen | 3188848 | 2008-10-30 16:59:24 +0200 | [diff] [blame] | 3770 | .set_txq_params = ieee80211_set_txq_params, |
Johannes Berg | e8c9bd5 | 2012-06-06 08:18:22 +0200 | [diff] [blame] | 3771 | .set_monitor_channel = ieee80211_set_monitor_channel, |
Bob Copeland | 665af4f | 2009-01-19 11:20:53 -0500 | [diff] [blame] | 3772 | .suspend = ieee80211_suspend, |
| 3773 | .resume = ieee80211_resume, |
Johannes Berg | 2a51931 | 2009-02-10 21:25:55 +0100 | [diff] [blame] | 3774 | .scan = ieee80211_scan, |
Luciano Coelho | 79f460c | 2011-05-11 17:09:36 +0300 | [diff] [blame] | 3775 | .sched_scan_start = ieee80211_sched_scan_start, |
| 3776 | .sched_scan_stop = ieee80211_sched_scan_stop, |
Jouni Malinen | 636a5d3 | 2009-03-19 13:39:22 +0200 | [diff] [blame] | 3777 | .auth = ieee80211_auth, |
| 3778 | .assoc = ieee80211_assoc, |
| 3779 | .deauth = ieee80211_deauth, |
| 3780 | .disassoc = ieee80211_disassoc, |
Johannes Berg | af8cdcd | 2009-04-19 21:25:43 +0200 | [diff] [blame] | 3781 | .join_ibss = ieee80211_join_ibss, |
| 3782 | .leave_ibss = ieee80211_leave_ibss, |
Antonio Quartulli | 391e53e | 2012-11-02 13:27:49 +0100 | [diff] [blame] | 3783 | .set_mcast_rate = ieee80211_set_mcast_rate, |
Jouni Malinen | b9a5f8ca | 2009-04-20 18:39:05 +0200 | [diff] [blame] | 3784 | .set_wiphy_params = ieee80211_set_wiphy_params, |
Johannes Berg | 7643a2c | 2009-06-02 13:01:39 +0200 | [diff] [blame] | 3785 | .set_tx_power = ieee80211_set_tx_power, |
| 3786 | .get_tx_power = ieee80211_get_tx_power, |
Johannes Berg | ab737a4 | 2009-07-01 21:26:58 +0200 | [diff] [blame] | 3787 | .set_wds_peer = ieee80211_set_wds_peer, |
Johannes Berg | 1f87f7d | 2009-06-02 13:01:41 +0200 | [diff] [blame] | 3788 | .rfkill_poll = ieee80211_rfkill_poll, |
Johannes Berg | aff89a9 | 2009-07-01 21:26:51 +0200 | [diff] [blame] | 3789 | CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd) |
Wey-Yi Guy | 71063f0 | 2011-05-20 09:05:54 -0700 | [diff] [blame] | 3790 | CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump) |
Johannes Berg | bc92afd | 2009-07-01 21:26:57 +0200 | [diff] [blame] | 3791 | .set_power_mgmt = ieee80211_set_power_mgmt, |
Johannes Berg | 9930380 | 2009-07-01 21:26:59 +0200 | [diff] [blame] | 3792 | .set_bitrate_mask = ieee80211_set_bitrate_mask, |
Johannes Berg | b8bc4b0 | 2009-12-23 13:15:42 +0100 | [diff] [blame] | 3793 | .remain_on_channel = ieee80211_remain_on_channel, |
| 3794 | .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel, |
Johannes Berg | 2e161f7 | 2010-08-12 15:38:38 +0200 | [diff] [blame] | 3795 | .mgmt_tx = ieee80211_mgmt_tx, |
Johannes Berg | f30221e | 2010-11-25 10:02:30 +0100 | [diff] [blame] | 3796 | .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait, |
Juuso Oikarinen | a97c13c | 2010-03-23 09:02:34 +0200 | [diff] [blame] | 3797 | .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config, |
Johannes Berg | 7be5086 | 2010-10-13 12:06:24 +0200 | [diff] [blame] | 3798 | .mgmt_frame_register = ieee80211_mgmt_frame_register, |
Bruno Randolf | 15d9675 | 2010-11-10 12:50:56 +0900 | [diff] [blame] | 3799 | .set_antenna = ieee80211_set_antenna, |
| 3800 | .get_antenna = ieee80211_get_antenna, |
Johannes Berg | c68f4b8 | 2011-07-05 16:35:41 +0200 | [diff] [blame] | 3801 | .set_rekey_data = ieee80211_set_rekey_data, |
Arik Nemtsov | dfe018b | 2011-09-28 14:12:52 +0300 | [diff] [blame] | 3802 | .tdls_oper = ieee80211_tdls_oper, |
| 3803 | .tdls_mgmt = ieee80211_tdls_mgmt, |
Arik Nemtsov | a7a6bdd | 2014-11-09 18:50:19 +0200 | [diff] [blame] | 3804 | .tdls_channel_switch = ieee80211_tdls_channel_switch, |
| 3805 | .tdls_cancel_channel_switch = ieee80211_tdls_cancel_channel_switch, |
Johannes Berg | 0650073 | 2011-11-04 11:18:16 +0100 | [diff] [blame] | 3806 | .probe_client = ieee80211_probe_client, |
Simon Wunderlich | b53be79 | 2011-11-18 14:20:44 +0100 | [diff] [blame] | 3807 | .set_noack_map = ieee80211_set_noack_map, |
Johannes Berg | 6d52563 | 2012-04-04 15:05:25 +0200 | [diff] [blame] | 3808 | #ifdef CONFIG_PM |
| 3809 | .set_wakeup = ieee80211_set_wakeup, |
| 3810 | #endif |
Johannes Berg | 5b7ccaf | 2012-07-12 19:45:08 +0200 | [diff] [blame] | 3811 | .get_channel = ieee80211_cfg_get_channel, |
Simon Wunderlich | 164eb02 | 2013-02-08 18:16:20 +0100 | [diff] [blame] | 3812 | .start_radar_detection = ieee80211_start_radar_detection, |
Simon Wunderlich | 73da7d5 | 2013-07-11 16:09:06 +0200 | [diff] [blame] | 3813 | .channel_switch = ieee80211_channel_switch, |
Kyeyoon Park | 32db6b5 | 2013-12-16 23:04:43 -0800 | [diff] [blame] | 3814 | .set_qos_map = ieee80211_set_qos_map, |
Jouni Malinen | 3b1700b | 2014-04-28 11:22:25 +0300 | [diff] [blame] | 3815 | .set_ap_chanwidth = ieee80211_set_ap_chanwidth, |
Johannes Berg | 02219b3 | 2014-10-07 10:38:50 +0300 | [diff] [blame] | 3816 | .add_tx_ts = ieee80211_add_tx_ts, |
| 3817 | .del_tx_ts = ieee80211_del_tx_ts, |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 3818 | }; |