Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1 | /****************************************************************************** |
| 2 | * |
| 3 | * This file is provided under a dual BSD/GPLv2 license. When using or |
| 4 | * redistributing this file, you may do so under either license. |
| 5 | * |
| 6 | * GPL LICENSE SUMMARY |
| 7 | * |
Emmanuel Grumbach | 51368bf | 2013-12-30 13:15:54 +0200 | [diff] [blame] | 8 | * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. |
Johannes Berg | 8b4139d | 2014-07-24 14:05:26 +0200 | [diff] [blame] | 9 | * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH |
Sara Sharon | f92659a | 2016-02-03 15:04:49 +0200 | [diff] [blame] | 10 | * Copyright(c) 2016 Intel Deutschland GmbH |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 11 | * |
| 12 | * This program is free software; you can redistribute it and/or modify |
| 13 | * it under the terms of version 2 of the GNU General Public License as |
| 14 | * published by the Free Software Foundation. |
| 15 | * |
| 16 | * This program is distributed in the hope that it will be useful, but |
| 17 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
| 18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 19 | * General Public License for more details. |
| 20 | * |
| 21 | * You should have received a copy of the GNU General Public License |
| 22 | * along with this program; if not, write to the Free Software |
| 23 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, |
| 24 | * USA |
| 25 | * |
| 26 | * The full GNU General Public License is included in this distribution |
Emmanuel Grumbach | 410dc5a | 2013-02-18 09:22:28 +0200 | [diff] [blame] | 27 | * in the file called COPYING. |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 28 | * |
| 29 | * Contact Information: |
Emmanuel Grumbach | cb2f827 | 2015-11-17 15:39:56 +0200 | [diff] [blame] | 30 | * Intel Linux Wireless <linuxwifi@intel.com> |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 31 | * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 |
| 32 | * |
| 33 | * BSD LICENSE |
| 34 | * |
Emmanuel Grumbach | 51368bf | 2013-12-30 13:15:54 +0200 | [diff] [blame] | 35 | * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. |
Johannes Berg | 8b4139d | 2014-07-24 14:05:26 +0200 | [diff] [blame] | 36 | * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 37 | * All rights reserved. |
| 38 | * |
| 39 | * Redistribution and use in source and binary forms, with or without |
| 40 | * modification, are permitted provided that the following conditions |
| 41 | * are met: |
| 42 | * |
| 43 | * * Redistributions of source code must retain the above copyright |
| 44 | * notice, this list of conditions and the following disclaimer. |
| 45 | * * Redistributions in binary form must reproduce the above copyright |
| 46 | * notice, this list of conditions and the following disclaimer in |
| 47 | * the documentation and/or other materials provided with the |
| 48 | * distribution. |
| 49 | * * Neither the name Intel Corporation nor the names of its |
| 50 | * contributors may be used to endorse or promote products derived |
| 51 | * from this software without specific prior written permission. |
| 52 | * |
| 53 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 54 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 55 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 56 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 57 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 58 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 59 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 60 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 61 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 62 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 63 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 64 | * |
| 65 | *****************************************************************************/ |
| 66 | #include <linux/kernel.h> |
| 67 | #include <linux/slab.h> |
| 68 | #include <linux/skbuff.h> |
| 69 | #include <linux/netdevice.h> |
| 70 | #include <linux/etherdevice.h> |
Johannes Berg | f0c2646 | 2013-01-22 20:41:58 +0100 | [diff] [blame] | 71 | #include <linux/ip.h> |
Eliad Peller | 2ee8f02 | 2014-01-13 19:07:09 +0200 | [diff] [blame] | 72 | #include <linux/if_arp.h> |
Golan Ben-Ami | 2f89a5d | 2015-10-27 19:17:14 +0200 | [diff] [blame] | 73 | #include <linux/time.h> |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 74 | #include <net/mac80211.h> |
Emmanuel Grumbach | 7b1dd04 | 2014-02-04 15:32:43 +0200 | [diff] [blame] | 75 | #include <net/ieee80211_radiotap.h> |
Johannes Berg | f0c2646 | 2013-01-22 20:41:58 +0100 | [diff] [blame] | 76 | #include <net/tcp.h> |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 77 | |
| 78 | #include "iwl-op-mode.h" |
| 79 | #include "iwl-io.h" |
| 80 | #include "mvm.h" |
| 81 | #include "sta.h" |
| 82 | #include "time-event.h" |
| 83 | #include "iwl-eeprom-parse.h" |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 84 | #include "iwl-phy-db.h" |
David Spinadel | 507cadf | 2013-07-31 18:07:21 +0300 | [diff] [blame] | 85 | #include "testmode.h" |
Emmanuel Grumbach | 655e6d6 | 2014-06-25 14:08:58 +0300 | [diff] [blame] | 86 | #include "iwl-fw-error-dump.h" |
| 87 | #include "iwl-prph.h" |
Arik Nemtsov | 88931cc | 2014-03-05 12:26:15 +0200 | [diff] [blame] | 88 | #include "iwl-nvm-parse.h" |
Golan Ben-Ami | 2f89a5d | 2015-10-27 19:17:14 +0200 | [diff] [blame] | 89 | #include "fw-dbg.h" |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 90 | |
| 91 | static const struct ieee80211_iface_limit iwl_mvm_limits[] = { |
| 92 | { |
| 93 | .max = 1, |
Ilan Peer | 8eb3871 | 2013-06-01 20:17:18 +0300 | [diff] [blame] | 94 | .types = BIT(NL80211_IFTYPE_STATION), |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 95 | }, |
Johannes Berg | 3c15a0f | 2013-05-31 10:17:19 +0200 | [diff] [blame] | 96 | { |
| 97 | .max = 1, |
Ilan Peer | 8eb3871 | 2013-06-01 20:17:18 +0300 | [diff] [blame] | 98 | .types = BIT(NL80211_IFTYPE_AP) | |
| 99 | BIT(NL80211_IFTYPE_P2P_CLIENT) | |
Johannes Berg | 3c15a0f | 2013-05-31 10:17:19 +0200 | [diff] [blame] | 100 | BIT(NL80211_IFTYPE_P2P_GO), |
| 101 | }, |
| 102 | { |
| 103 | .max = 1, |
| 104 | .types = BIT(NL80211_IFTYPE_P2P_DEVICE), |
| 105 | }, |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 106 | }; |
| 107 | |
| 108 | static const struct ieee80211_iface_combination iwl_mvm_iface_combinations[] = { |
| 109 | { |
Emmanuel Grumbach | 2624a5c | 2014-12-16 13:02:03 +0200 | [diff] [blame] | 110 | .num_different_channels = 2, |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 111 | .max_interfaces = 3, |
| 112 | .limits = iwl_mvm_limits, |
| 113 | .n_limits = ARRAY_SIZE(iwl_mvm_limits), |
| 114 | }, |
| 115 | }; |
| 116 | |
Johannes Berg | f0c2646 | 2013-01-22 20:41:58 +0100 | [diff] [blame] | 117 | #ifdef CONFIG_PM_SLEEP |
| 118 | static const struct nl80211_wowlan_tcp_data_token_feature |
| 119 | iwl_mvm_wowlan_tcp_token_feature = { |
| 120 | .min_len = 0, |
| 121 | .max_len = 255, |
| 122 | .bufsize = IWL_WOWLAN_REMOTE_WAKE_MAX_TOKENS, |
| 123 | }; |
| 124 | |
| 125 | static const struct wiphy_wowlan_tcp_support iwl_mvm_wowlan_tcp_support = { |
| 126 | .tok = &iwl_mvm_wowlan_tcp_token_feature, |
| 127 | .data_payload_max = IWL_WOWLAN_TCP_MAX_PACKET_LEN - |
| 128 | sizeof(struct ethhdr) - |
| 129 | sizeof(struct iphdr) - |
| 130 | sizeof(struct tcphdr), |
| 131 | .data_interval_max = 65535, /* __le16 in API */ |
| 132 | .wake_payload_max = IWL_WOWLAN_REMOTE_WAKE_MAX_PACKET_LEN - |
| 133 | sizeof(struct ethhdr) - |
| 134 | sizeof(struct iphdr) - |
| 135 | sizeof(struct tcphdr), |
| 136 | .seq = true, |
| 137 | }; |
| 138 | #endif |
| 139 | |
Eliad Peller | 7773692 | 2014-01-14 12:35:49 +0200 | [diff] [blame] | 140 | #ifdef CONFIG_IWLWIFI_BCAST_FILTERING |
Eliad Peller | 2ee8f02 | 2014-01-13 19:07:09 +0200 | [diff] [blame] | 141 | /* |
| 142 | * Use the reserved field to indicate magic values. |
| 143 | * these values will only be used internally by the driver, |
| 144 | * and won't make it to the fw (reserved will be 0). |
| 145 | * BC_FILTER_MAGIC_IP - configure the val of this attribute to |
| 146 | * be the vif's ip address. in case there is not a single |
| 147 | * ip address (0, or more than 1), this attribute will |
| 148 | * be skipped. |
| 149 | * BC_FILTER_MAGIC_MAC - set the val of this attribute to |
| 150 | * the LSB bytes of the vif's mac address |
| 151 | */ |
| 152 | enum { |
| 153 | BC_FILTER_MAGIC_NONE = 0, |
| 154 | BC_FILTER_MAGIC_IP, |
| 155 | BC_FILTER_MAGIC_MAC, |
| 156 | }; |
| 157 | |
Eliad Peller | 7773692 | 2014-01-14 12:35:49 +0200 | [diff] [blame] | 158 | static const struct iwl_fw_bcast_filter iwl_mvm_default_bcast_filters[] = { |
| 159 | { |
| 160 | /* arp */ |
| 161 | .discard = 0, |
| 162 | .frame_type = BCAST_FILTER_FRAME_TYPE_ALL, |
| 163 | .attrs = { |
| 164 | { |
| 165 | /* frame type - arp, hw type - ethernet */ |
| 166 | .offset_type = |
| 167 | BCAST_FILTER_OFFSET_PAYLOAD_START, |
| 168 | .offset = sizeof(rfc1042_header), |
| 169 | .val = cpu_to_be32(0x08060001), |
| 170 | .mask = cpu_to_be32(0xffffffff), |
| 171 | }, |
Eliad Peller | 2ee8f02 | 2014-01-13 19:07:09 +0200 | [diff] [blame] | 172 | { |
| 173 | /* arp dest ip */ |
| 174 | .offset_type = |
| 175 | BCAST_FILTER_OFFSET_PAYLOAD_START, |
| 176 | .offset = sizeof(rfc1042_header) + 2 + |
| 177 | sizeof(struct arphdr) + |
| 178 | ETH_ALEN + sizeof(__be32) + |
| 179 | ETH_ALEN, |
| 180 | .mask = cpu_to_be32(0xffffffff), |
| 181 | /* mark it as special field */ |
| 182 | .reserved1 = cpu_to_le16(BC_FILTER_MAGIC_IP), |
| 183 | }, |
| 184 | }, |
| 185 | }, |
| 186 | { |
| 187 | /* dhcp offer bcast */ |
| 188 | .discard = 0, |
| 189 | .frame_type = BCAST_FILTER_FRAME_TYPE_IPV4, |
| 190 | .attrs = { |
| 191 | { |
| 192 | /* udp dest port - 68 (bootp client)*/ |
| 193 | .offset_type = BCAST_FILTER_OFFSET_IP_END, |
| 194 | .offset = offsetof(struct udphdr, dest), |
| 195 | .val = cpu_to_be32(0x00440000), |
| 196 | .mask = cpu_to_be32(0xffff0000), |
| 197 | }, |
| 198 | { |
| 199 | /* dhcp - lsb bytes of client hw address */ |
| 200 | .offset_type = BCAST_FILTER_OFFSET_IP_END, |
| 201 | .offset = 38, |
| 202 | .mask = cpu_to_be32(0xffffffff), |
| 203 | /* mark it as special field */ |
| 204 | .reserved1 = cpu_to_le16(BC_FILTER_MAGIC_MAC), |
| 205 | }, |
Eliad Peller | 7773692 | 2014-01-14 12:35:49 +0200 | [diff] [blame] | 206 | }, |
| 207 | }, |
| 208 | /* last filter must be empty */ |
| 209 | {}, |
| 210 | }; |
| 211 | #endif |
| 212 | |
Eliad Peller | 7498cf4 | 2014-01-16 17:10:44 +0200 | [diff] [blame] | 213 | void iwl_mvm_ref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type) |
| 214 | { |
Eliad Peller | 7bb426e | 2014-02-24 12:54:37 +0200 | [diff] [blame] | 215 | if (!iwl_mvm_is_d0i3_supported(mvm)) |
Eliad Peller | 7498cf4 | 2014-01-16 17:10:44 +0200 | [diff] [blame] | 216 | return; |
| 217 | |
| 218 | IWL_DEBUG_RPM(mvm, "Take mvm reference - type %d\n", ref_type); |
Eliad Peller | 576eeee | 2014-07-01 18:38:38 +0300 | [diff] [blame] | 219 | spin_lock_bh(&mvm->refs_lock); |
| 220 | mvm->refs[ref_type]++; |
| 221 | spin_unlock_bh(&mvm->refs_lock); |
Eliad Peller | 7498cf4 | 2014-01-16 17:10:44 +0200 | [diff] [blame] | 222 | iwl_trans_ref(mvm->trans); |
| 223 | } |
| 224 | |
| 225 | void iwl_mvm_unref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type) |
| 226 | { |
Eliad Peller | 7bb426e | 2014-02-24 12:54:37 +0200 | [diff] [blame] | 227 | if (!iwl_mvm_is_d0i3_supported(mvm)) |
Eliad Peller | 7498cf4 | 2014-01-16 17:10:44 +0200 | [diff] [blame] | 228 | return; |
| 229 | |
| 230 | IWL_DEBUG_RPM(mvm, "Leave mvm reference - type %d\n", ref_type); |
Eliad Peller | 576eeee | 2014-07-01 18:38:38 +0300 | [diff] [blame] | 231 | spin_lock_bh(&mvm->refs_lock); |
Sara Sharon | 16c4582 | 2016-04-04 19:30:05 +0300 | [diff] [blame] | 232 | if (WARN_ON(!mvm->refs[ref_type])) { |
| 233 | spin_unlock_bh(&mvm->refs_lock); |
| 234 | return; |
| 235 | } |
| 236 | mvm->refs[ref_type]--; |
Eliad Peller | 576eeee | 2014-07-01 18:38:38 +0300 | [diff] [blame] | 237 | spin_unlock_bh(&mvm->refs_lock); |
Eliad Peller | 7498cf4 | 2014-01-16 17:10:44 +0200 | [diff] [blame] | 238 | iwl_trans_unref(mvm->trans); |
| 239 | } |
| 240 | |
Eliad Peller | 576eeee | 2014-07-01 18:38:38 +0300 | [diff] [blame] | 241 | static void iwl_mvm_unref_all_except(struct iwl_mvm *mvm, |
| 242 | enum iwl_mvm_ref_type except_ref) |
Eliad Peller | 7498cf4 | 2014-01-16 17:10:44 +0200 | [diff] [blame] | 243 | { |
Eliad Peller | 576eeee | 2014-07-01 18:38:38 +0300 | [diff] [blame] | 244 | int i, j; |
Eliad Peller | 7498cf4 | 2014-01-16 17:10:44 +0200 | [diff] [blame] | 245 | |
Eliad Peller | 7bb426e | 2014-02-24 12:54:37 +0200 | [diff] [blame] | 246 | if (!iwl_mvm_is_d0i3_supported(mvm)) |
Eliad Peller | 7498cf4 | 2014-01-16 17:10:44 +0200 | [diff] [blame] | 247 | return; |
| 248 | |
Eliad Peller | 576eeee | 2014-07-01 18:38:38 +0300 | [diff] [blame] | 249 | spin_lock_bh(&mvm->refs_lock); |
| 250 | for (i = 0; i < IWL_MVM_REF_COUNT; i++) { |
| 251 | if (except_ref == i || !mvm->refs[i]) |
Eliad Peller | 7498cf4 | 2014-01-16 17:10:44 +0200 | [diff] [blame] | 252 | continue; |
| 253 | |
Eliad Peller | 576eeee | 2014-07-01 18:38:38 +0300 | [diff] [blame] | 254 | IWL_DEBUG_RPM(mvm, "Cleanup: remove mvm ref type %d (%d)\n", |
| 255 | i, mvm->refs[i]); |
| 256 | for (j = 0; j < mvm->refs[i]; j++) |
| 257 | iwl_trans_unref(mvm->trans); |
| 258 | mvm->refs[i] = 0; |
Eliad Peller | 7498cf4 | 2014-01-16 17:10:44 +0200 | [diff] [blame] | 259 | } |
Eliad Peller | 576eeee | 2014-07-01 18:38:38 +0300 | [diff] [blame] | 260 | spin_unlock_bh(&mvm->refs_lock); |
Eliad Peller | 7498cf4 | 2014-01-16 17:10:44 +0200 | [diff] [blame] | 261 | } |
| 262 | |
Eliad Peller | f4cf868 | 2014-11-04 16:57:06 +0200 | [diff] [blame] | 263 | bool iwl_mvm_ref_taken(struct iwl_mvm *mvm) |
| 264 | { |
| 265 | int i; |
| 266 | bool taken = false; |
| 267 | |
| 268 | if (!iwl_mvm_is_d0i3_supported(mvm)) |
| 269 | return true; |
| 270 | |
| 271 | spin_lock_bh(&mvm->refs_lock); |
| 272 | for (i = 0; i < IWL_MVM_REF_COUNT; i++) { |
| 273 | if (mvm->refs[i]) { |
| 274 | taken = true; |
| 275 | break; |
| 276 | } |
| 277 | } |
| 278 | spin_unlock_bh(&mvm->refs_lock); |
| 279 | |
| 280 | return taken; |
| 281 | } |
| 282 | |
Eliad Peller | 576eeee | 2014-07-01 18:38:38 +0300 | [diff] [blame] | 283 | int iwl_mvm_ref_sync(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type) |
Gregory Greenman | d40fc48 | 2014-06-25 14:08:50 +0200 | [diff] [blame] | 284 | { |
| 285 | iwl_mvm_ref(mvm, ref_type); |
| 286 | |
| 287 | if (!wait_event_timeout(mvm->d0i3_exit_waitq, |
| 288 | !test_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status), |
| 289 | HZ)) { |
| 290 | WARN_ON_ONCE(1); |
| 291 | iwl_mvm_unref(mvm, ref_type); |
| 292 | return -EIO; |
| 293 | } |
| 294 | |
| 295 | return 0; |
| 296 | } |
| 297 | |
Ilan Peer | fe0f2de | 2013-03-21 10:23:52 +0200 | [diff] [blame] | 298 | static void iwl_mvm_reset_phy_ctxts(struct iwl_mvm *mvm) |
| 299 | { |
| 300 | int i; |
| 301 | |
| 302 | memset(mvm->phy_ctxts, 0, sizeof(mvm->phy_ctxts)); |
| 303 | for (i = 0; i < NUM_PHY_CTX; i++) { |
| 304 | mvm->phy_ctxts[i].id = i; |
| 305 | mvm->phy_ctxts[i].ref = 0; |
| 306 | } |
| 307 | } |
| 308 | |
Arik Nemtsov | 88931cc | 2014-03-05 12:26:15 +0200 | [diff] [blame] | 309 | struct ieee80211_regdomain *iwl_mvm_get_regdomain(struct wiphy *wiphy, |
Eran Harary | 8ba2d7a | 2015-02-08 11:41:43 +0200 | [diff] [blame] | 310 | const char *alpha2, |
Jonathan Doron | 47c8b15 | 2014-11-27 16:55:25 +0200 | [diff] [blame] | 311 | enum iwl_mcc_source src_id, |
| 312 | bool *changed) |
Arik Nemtsov | 88931cc | 2014-03-05 12:26:15 +0200 | [diff] [blame] | 313 | { |
| 314 | struct ieee80211_regdomain *regd = NULL; |
| 315 | struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy); |
| 316 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); |
| 317 | struct iwl_mcc_update_resp *resp; |
| 318 | |
| 319 | IWL_DEBUG_LAR(mvm, "Getting regdomain data for %s from FW\n", alpha2); |
| 320 | |
Eran Harary | 8ba2d7a | 2015-02-08 11:41:43 +0200 | [diff] [blame] | 321 | lockdep_assert_held(&mvm->mutex); |
Arik Nemtsov | 88931cc | 2014-03-05 12:26:15 +0200 | [diff] [blame] | 322 | |
Eran Harary | 8ba2d7a | 2015-02-08 11:41:43 +0200 | [diff] [blame] | 323 | resp = iwl_mvm_update_mcc(mvm, alpha2, src_id); |
Arik Nemtsov | 88931cc | 2014-03-05 12:26:15 +0200 | [diff] [blame] | 324 | if (IS_ERR_OR_NULL(resp)) { |
| 325 | IWL_DEBUG_LAR(mvm, "Could not get update from FW %d\n", |
Nicholas Krause | b8c474d | 2015-05-23 20:53:21 -0400 | [diff] [blame] | 326 | PTR_ERR_OR_ZERO(resp)); |
Eran Harary | 8ba2d7a | 2015-02-08 11:41:43 +0200 | [diff] [blame] | 327 | goto out; |
Arik Nemtsov | 88931cc | 2014-03-05 12:26:15 +0200 | [diff] [blame] | 328 | } |
| 329 | |
Jonathan Doron | 47c8b15 | 2014-11-27 16:55:25 +0200 | [diff] [blame] | 330 | if (changed) |
| 331 | *changed = (resp->status == MCC_RESP_NEW_CHAN_PROFILE); |
| 332 | |
Arik Nemtsov | 162ee3c | 2014-06-10 11:25:35 +0300 | [diff] [blame] | 333 | regd = iwl_parse_nvm_mcc_info(mvm->trans->dev, mvm->cfg, |
Arik Nemtsov | 88931cc | 2014-03-05 12:26:15 +0200 | [diff] [blame] | 334 | __le32_to_cpu(resp->n_channels), |
| 335 | resp->channels, |
| 336 | __le16_to_cpu(resp->mcc)); |
Eran Harary | 8ba2d7a | 2015-02-08 11:41:43 +0200 | [diff] [blame] | 337 | /* Store the return source id */ |
| 338 | src_id = resp->source_id; |
Arik Nemtsov | 88931cc | 2014-03-05 12:26:15 +0200 | [diff] [blame] | 339 | kfree(resp); |
| 340 | if (IS_ERR_OR_NULL(regd)) { |
| 341 | IWL_DEBUG_LAR(mvm, "Could not get parse update from FW %d\n", |
Nicholas Krause | b8c474d | 2015-05-23 20:53:21 -0400 | [diff] [blame] | 342 | PTR_ERR_OR_ZERO(regd)); |
Eran Harary | 8ba2d7a | 2015-02-08 11:41:43 +0200 | [diff] [blame] | 343 | goto out; |
Arik Nemtsov | 88931cc | 2014-03-05 12:26:15 +0200 | [diff] [blame] | 344 | } |
| 345 | |
Eran Harary | 8ba2d7a | 2015-02-08 11:41:43 +0200 | [diff] [blame] | 346 | IWL_DEBUG_LAR(mvm, "setting alpha2 from FW to %s (0x%x, 0x%x) src=%d\n", |
| 347 | regd->alpha2, regd->alpha2[0], regd->alpha2[1], src_id); |
Arik Nemtsov | 88931cc | 2014-03-05 12:26:15 +0200 | [diff] [blame] | 348 | mvm->lar_regdom_set = true; |
Eran Harary | 8ba2d7a | 2015-02-08 11:41:43 +0200 | [diff] [blame] | 349 | mvm->mcc_src = src_id; |
Arik Nemtsov | 88931cc | 2014-03-05 12:26:15 +0200 | [diff] [blame] | 350 | |
Eran Harary | 8ba2d7a | 2015-02-08 11:41:43 +0200 | [diff] [blame] | 351 | out: |
Arik Nemtsov | 88931cc | 2014-03-05 12:26:15 +0200 | [diff] [blame] | 352 | return regd; |
| 353 | } |
| 354 | |
Jonathan Doron | 47c8b15 | 2014-11-27 16:55:25 +0200 | [diff] [blame] | 355 | void iwl_mvm_update_changed_regdom(struct iwl_mvm *mvm) |
| 356 | { |
| 357 | bool changed; |
| 358 | struct ieee80211_regdomain *regd; |
| 359 | |
| 360 | if (!iwl_mvm_is_lar_supported(mvm)) |
| 361 | return; |
| 362 | |
| 363 | regd = iwl_mvm_get_current_regdomain(mvm, &changed); |
| 364 | if (!IS_ERR_OR_NULL(regd)) { |
| 365 | /* only update the regulatory core if changed */ |
| 366 | if (changed) |
| 367 | regulatory_set_wiphy_regd(mvm->hw->wiphy, regd); |
| 368 | |
| 369 | kfree(regd); |
| 370 | } |
| 371 | } |
| 372 | |
| 373 | struct ieee80211_regdomain *iwl_mvm_get_current_regdomain(struct iwl_mvm *mvm, |
| 374 | bool *changed) |
Eran Harary | 8ba2d7a | 2015-02-08 11:41:43 +0200 | [diff] [blame] | 375 | { |
| 376 | return iwl_mvm_get_regdomain(mvm->hw->wiphy, "ZZ", |
| 377 | iwl_mvm_is_wifi_mcc_supported(mvm) ? |
| 378 | MCC_SOURCE_GET_CURRENT : |
Jonathan Doron | 47c8b15 | 2014-11-27 16:55:25 +0200 | [diff] [blame] | 379 | MCC_SOURCE_OLD_FW, changed); |
Eran Harary | 8ba2d7a | 2015-02-08 11:41:43 +0200 | [diff] [blame] | 380 | } |
| 381 | |
| 382 | int iwl_mvm_init_fw_regd(struct iwl_mvm *mvm) |
| 383 | { |
| 384 | enum iwl_mcc_source used_src; |
| 385 | struct ieee80211_regdomain *regd; |
Arik Nemtsov | b6e160a | 2015-03-23 14:32:53 +0200 | [diff] [blame] | 386 | int ret; |
| 387 | bool changed; |
Eran Harary | 8ba2d7a | 2015-02-08 11:41:43 +0200 | [diff] [blame] | 388 | const struct ieee80211_regdomain *r = |
| 389 | rtnl_dereference(mvm->hw->wiphy->regd); |
| 390 | |
| 391 | if (!r) |
Arik Nemtsov | b6e160a | 2015-03-23 14:32:53 +0200 | [diff] [blame] | 392 | return -ENOENT; |
Eran Harary | 8ba2d7a | 2015-02-08 11:41:43 +0200 | [diff] [blame] | 393 | |
| 394 | /* save the last source in case we overwrite it below */ |
| 395 | used_src = mvm->mcc_src; |
| 396 | if (iwl_mvm_is_wifi_mcc_supported(mvm)) { |
| 397 | /* Notify the firmware we support wifi location updates */ |
Jonathan Doron | 47c8b15 | 2014-11-27 16:55:25 +0200 | [diff] [blame] | 398 | regd = iwl_mvm_get_current_regdomain(mvm, NULL); |
Eran Harary | 8ba2d7a | 2015-02-08 11:41:43 +0200 | [diff] [blame] | 399 | if (!IS_ERR_OR_NULL(regd)) |
| 400 | kfree(regd); |
| 401 | } |
| 402 | |
| 403 | /* Now set our last stored MCC and source */ |
Arik Nemtsov | b6e160a | 2015-03-23 14:32:53 +0200 | [diff] [blame] | 404 | regd = iwl_mvm_get_regdomain(mvm->hw->wiphy, r->alpha2, used_src, |
| 405 | &changed); |
Eran Harary | 8ba2d7a | 2015-02-08 11:41:43 +0200 | [diff] [blame] | 406 | if (IS_ERR_OR_NULL(regd)) |
| 407 | return -EIO; |
| 408 | |
Arik Nemtsov | b6e160a | 2015-03-23 14:32:53 +0200 | [diff] [blame] | 409 | /* update cfg80211 if the regdomain was changed */ |
| 410 | if (changed) |
| 411 | ret = regulatory_set_wiphy_regd_sync_rtnl(mvm->hw->wiphy, regd); |
| 412 | else |
| 413 | ret = 0; |
Eran Harary | 8ba2d7a | 2015-02-08 11:41:43 +0200 | [diff] [blame] | 414 | |
Arik Nemtsov | b6e160a | 2015-03-23 14:32:53 +0200 | [diff] [blame] | 415 | kfree(regd); |
| 416 | return ret; |
Eran Harary | 8ba2d7a | 2015-02-08 11:41:43 +0200 | [diff] [blame] | 417 | } |
| 418 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 419 | int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm) |
| 420 | { |
| 421 | struct ieee80211_hw *hw = mvm->hw; |
Ilan Peer | 831e85f | 2013-02-07 17:09:09 +0200 | [diff] [blame] | 422 | int num_mac, ret, i; |
Johannes Berg | 5f4c02e | 2015-05-20 16:51:28 +0200 | [diff] [blame] | 423 | static const u32 mvm_ciphers[] = { |
| 424 | WLAN_CIPHER_SUITE_WEP40, |
| 425 | WLAN_CIPHER_SUITE_WEP104, |
| 426 | WLAN_CIPHER_SUITE_TKIP, |
| 427 | WLAN_CIPHER_SUITE_CCMP, |
| 428 | }; |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 429 | |
| 430 | /* Tell mac80211 our characteristics */ |
Johannes Berg | 30686bf | 2015-06-02 21:39:54 +0200 | [diff] [blame] | 431 | ieee80211_hw_set(hw, SIGNAL_DBM); |
| 432 | ieee80211_hw_set(hw, SPECTRUM_MGMT); |
| 433 | ieee80211_hw_set(hw, REPORTS_TX_ACK_STATUS); |
| 434 | ieee80211_hw_set(hw, QUEUE_CONTROL); |
| 435 | ieee80211_hw_set(hw, WANT_MONITOR_VIF); |
| 436 | ieee80211_hw_set(hw, SUPPORTS_PS); |
| 437 | ieee80211_hw_set(hw, SUPPORTS_DYNAMIC_PS); |
| 438 | ieee80211_hw_set(hw, AMPDU_AGGREGATION); |
| 439 | ieee80211_hw_set(hw, TIMING_BEACON_ONLY); |
| 440 | ieee80211_hw_set(hw, CONNECTION_MONITOR); |
| 441 | ieee80211_hw_set(hw, CHANCTX_STA_CSA); |
| 442 | ieee80211_hw_set(hw, SUPPORT_FAST_XMIT); |
| 443 | ieee80211_hw_set(hw, SUPPORTS_CLONED_SKBS); |
Johannes Berg | 909ddf0 | 2015-09-21 14:09:17 +0200 | [diff] [blame] | 444 | ieee80211_hw_set(hw, SUPPORTS_AMSDU_IN_AMPDU); |
Johannes Berg | 30433d3 | 2015-09-24 18:14:55 +0200 | [diff] [blame] | 445 | ieee80211_hw_set(hw, NEEDS_UNIQUE_STA_ADDR); |
Sara Sharon | b915c10 | 2016-03-23 16:32:02 +0200 | [diff] [blame] | 446 | if (iwl_mvm_has_new_rx_api(mvm)) |
| 447 | ieee80211_hw_set(hw, SUPPORTS_REORDERING_BUFFER); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 448 | |
Johannes Berg | 80938ab | 2016-03-30 11:05:16 +0200 | [diff] [blame] | 449 | if (mvm->trans->num_rx_queues > 1) |
| 450 | ieee80211_hw_set(hw, USES_RSS); |
| 451 | |
Johannes Berg | 2d7cf54 | 2015-04-17 16:39:12 +0200 | [diff] [blame] | 452 | if (mvm->trans->max_skb_frags) |
| 453 | hw->netdev_features = NETIF_F_HIGHDMA | NETIF_F_SG; |
| 454 | |
Liad Kaufman | cf961e1 | 2015-08-13 19:16:08 +0300 | [diff] [blame] | 455 | if (!iwl_mvm_is_dqa_supported(mvm)) |
| 456 | hw->queues = mvm->first_agg_queue; |
| 457 | else |
| 458 | hw->queues = IEEE80211_MAX_QUEUES; |
Ilan Peer | 398e8c6 | 2013-03-13 15:20:35 +0200 | [diff] [blame] | 459 | hw->offchannel_tx_hw_queue = IWL_MVM_OFFCHANNEL_QUEUE; |
Emmanuel Grumbach | 7b1dd04 | 2014-02-04 15:32:43 +0200 | [diff] [blame] | 460 | hw->radiotap_mcs_details |= IEEE80211_RADIOTAP_MCS_HAVE_FEC | |
| 461 | IEEE80211_RADIOTAP_MCS_HAVE_STBC; |
Eyal Shapira | 339b308 | 2014-11-18 16:43:55 +0200 | [diff] [blame] | 462 | hw->radiotap_vht_details |= IEEE80211_RADIOTAP_VHT_KNOWN_STBC | |
| 463 | IEEE80211_RADIOTAP_VHT_KNOWN_BEAMFORMED; |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 464 | hw->rate_control_algorithm = "iwl-mvm-rs"; |
Johannes Berg | 848955c | 2014-11-11 12:48:42 +0100 | [diff] [blame] | 465 | hw->uapsd_queues = IWL_MVM_UAPSD_QUEUES; |
| 466 | hw->uapsd_max_sp_len = IWL_UAPSD_MAX_SP; |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 467 | |
Ayala Beker | 8e160ab | 2016-04-11 11:37:38 +0300 | [diff] [blame] | 468 | BUILD_BUG_ON(ARRAY_SIZE(mvm->ciphers) < ARRAY_SIZE(mvm_ciphers) + 6); |
Johannes Berg | 5f4c02e | 2015-05-20 16:51:28 +0200 | [diff] [blame] | 469 | memcpy(mvm->ciphers, mvm_ciphers, sizeof(mvm_ciphers)); |
| 470 | hw->wiphy->n_cipher_suites = ARRAY_SIZE(mvm_ciphers); |
| 471 | hw->wiphy->cipher_suites = mvm->ciphers; |
| 472 | |
Ayala Beker | 2a53d16 | 2016-04-07 16:21:57 +0300 | [diff] [blame] | 473 | if (iwl_mvm_has_new_rx_api(mvm)) { |
| 474 | mvm->ciphers[hw->wiphy->n_cipher_suites] = |
| 475 | WLAN_CIPHER_SUITE_GCMP; |
| 476 | hw->wiphy->n_cipher_suites++; |
| 477 | mvm->ciphers[hw->wiphy->n_cipher_suites] = |
| 478 | WLAN_CIPHER_SUITE_GCMP_256; |
| 479 | hw->wiphy->n_cipher_suites++; |
| 480 | } |
| 481 | |
Luca Coelho | 4b87e5a | 2016-09-12 16:03:30 +0300 | [diff] [blame] | 482 | /* Enable 11w if software crypto is not enabled (as the |
| 483 | * firmware will interpret some mgmt packets, so enabling it |
| 484 | * with software crypto isn't safe). |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 485 | */ |
Luca Coelho | 4b87e5a | 2016-09-12 16:03:30 +0300 | [diff] [blame] | 486 | if (!iwlwifi_mod_params.sw_crypto) { |
Johannes Berg | 30686bf | 2015-06-02 21:39:54 +0200 | [diff] [blame] | 487 | ieee80211_hw_set(hw, MFP_CAPABLE); |
Johannes Berg | 5f4c02e | 2015-05-20 16:51:28 +0200 | [diff] [blame] | 488 | mvm->ciphers[hw->wiphy->n_cipher_suites] = |
| 489 | WLAN_CIPHER_SUITE_AES_CMAC; |
| 490 | hw->wiphy->n_cipher_suites++; |
Ayala Beker | 8e160ab | 2016-04-11 11:37:38 +0300 | [diff] [blame] | 491 | if (iwl_mvm_has_new_rx_api(mvm)) { |
| 492 | mvm->ciphers[hw->wiphy->n_cipher_suites] = |
| 493 | WLAN_CIPHER_SUITE_BIP_GMAC_128; |
| 494 | hw->wiphy->n_cipher_suites++; |
| 495 | mvm->ciphers[hw->wiphy->n_cipher_suites] = |
| 496 | WLAN_CIPHER_SUITE_BIP_GMAC_256; |
| 497 | hw->wiphy->n_cipher_suites++; |
| 498 | } |
Johannes Berg | 5f4c02e | 2015-05-20 16:51:28 +0200 | [diff] [blame] | 499 | } |
| 500 | |
| 501 | /* currently FW API supports only one optional cipher scheme */ |
| 502 | if (mvm->fw->cs[0].cipher) { |
Johannes Berg | 24ddddf | 2016-06-21 12:34:36 +0200 | [diff] [blame] | 503 | const struct iwl_fw_cipher_scheme *fwcs = &mvm->fw->cs[0]; |
| 504 | struct ieee80211_cipher_scheme *cs = &mvm->cs[0]; |
| 505 | |
Johannes Berg | 5f4c02e | 2015-05-20 16:51:28 +0200 | [diff] [blame] | 506 | mvm->hw->n_cipher_schemes = 1; |
Johannes Berg | 24ddddf | 2016-06-21 12:34:36 +0200 | [diff] [blame] | 507 | |
| 508 | cs->cipher = le32_to_cpu(fwcs->cipher); |
| 509 | cs->iftype = BIT(NL80211_IFTYPE_STATION); |
| 510 | cs->hdr_len = fwcs->hdr_len; |
| 511 | cs->pn_len = fwcs->pn_len; |
| 512 | cs->pn_off = fwcs->pn_off; |
| 513 | cs->key_idx_off = fwcs->key_idx_off; |
| 514 | cs->key_idx_mask = fwcs->key_idx_mask; |
| 515 | cs->key_idx_shift = fwcs->key_idx_shift; |
| 516 | cs->mic_len = fwcs->mic_len; |
| 517 | |
| 518 | mvm->hw->cipher_schemes = mvm->cs; |
| 519 | mvm->ciphers[hw->wiphy->n_cipher_suites] = cs->cipher; |
Johannes Berg | 5f4c02e | 2015-05-20 16:51:28 +0200 | [diff] [blame] | 520 | hw->wiphy->n_cipher_suites++; |
| 521 | } |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 522 | |
Johannes Berg | 30686bf | 2015-06-02 21:39:54 +0200 | [diff] [blame] | 523 | ieee80211_hw_set(hw, SINGLE_SCAN_ON_ALL_BANDS); |
Luciano Coelho | 1f94038 | 2015-02-10 13:03:38 +0200 | [diff] [blame] | 524 | hw->wiphy->features |= |
| 525 | NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR | |
Johannes Berg | 3db9342 | 2015-05-06 14:56:51 +0200 | [diff] [blame] | 526 | NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR | |
| 527 | NL80211_FEATURE_ND_RANDOM_MAC_ADDR; |
David Spinadel | fb98be5 | 2014-05-04 12:51:10 +0300 | [diff] [blame] | 528 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 529 | hw->sta_data_size = sizeof(struct iwl_mvm_sta); |
| 530 | hw->vif_data_size = sizeof(struct iwl_mvm_vif); |
Ilan Peer | fe0f2de | 2013-03-21 10:23:52 +0200 | [diff] [blame] | 531 | hw->chanctx_data_size = sizeof(u16); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 532 | |
| 533 | hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | |
Johannes Berg | 3c15a0f | 2013-05-31 10:17:19 +0200 | [diff] [blame] | 534 | BIT(NL80211_IFTYPE_P2P_CLIENT) | |
| 535 | BIT(NL80211_IFTYPE_AP) | |
| 536 | BIT(NL80211_IFTYPE_P2P_GO) | |
Emmanuel Grumbach | c13b172 | 2014-03-27 19:12:12 +0200 | [diff] [blame] | 537 | BIT(NL80211_IFTYPE_P2P_DEVICE) | |
| 538 | BIT(NL80211_IFTYPE_ADHOC); |
Johannes Berg | 5023d96 | 2013-07-31 14:07:43 +0200 | [diff] [blame] | 539 | |
Luis R. Rodriguez | a2f73b6 | 2013-11-11 22:15:29 +0100 | [diff] [blame] | 540 | hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN; |
Eran Harary | 8ba2d7a | 2015-02-08 11:41:43 +0200 | [diff] [blame] | 541 | hw->wiphy->regulatory_flags |= REGULATORY_ENABLE_RELAX_NO_IR; |
| 542 | if (iwl_mvm_is_lar_supported(mvm)) |
| 543 | hw->wiphy->regulatory_flags |= REGULATORY_WIPHY_SELF_MANAGED; |
| 544 | else |
| 545 | hw->wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG | |
| 546 | REGULATORY_DISABLE_BEACON_HINTS; |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 547 | |
Luca Coelho | 4b87e5a | 2016-09-12 16:03:30 +0300 | [diff] [blame] | 548 | hw->wiphy->flags |= WIPHY_FLAG_AP_UAPSD; |
Emmanuel Grumbach | 94bbed7 | 2014-11-24 08:53:33 +0200 | [diff] [blame] | 549 | hw->wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH; |
Andrei Otcheretianski | bd3398e | 2013-10-22 05:01:12 +0200 | [diff] [blame] | 550 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 551 | hw->wiphy->iface_combinations = iwl_mvm_iface_combinations; |
| 552 | hw->wiphy->n_iface_combinations = |
| 553 | ARRAY_SIZE(iwl_mvm_iface_combinations); |
| 554 | |
Ilan Peer | c451e6d | 2013-02-20 08:41:54 +0200 | [diff] [blame] | 555 | hw->wiphy->max_remain_on_channel_duration = 10000; |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 556 | hw->max_listen_interval = IWL_CONN_MAX_LISTEN_INTERVAL; |
Emmanuel Grumbach | f1a6854 | 2014-12-16 12:31:13 +0200 | [diff] [blame] | 557 | /* we can compensate an offset of up to 3 channels = 15 MHz */ |
| 558 | hw->wiphy->max_adj_channel_rssi_comp = 3 * 5; |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 559 | |
| 560 | /* Extract MAC address */ |
| 561 | memcpy(mvm->addresses[0].addr, mvm->nvm_data->hw_addr, ETH_ALEN); |
| 562 | hw->wiphy->addresses = mvm->addresses; |
| 563 | hw->wiphy->n_addresses = 1; |
Ilan Peer | 831e85f | 2013-02-07 17:09:09 +0200 | [diff] [blame] | 564 | |
| 565 | /* Extract additional MAC addresses if available */ |
| 566 | num_mac = (mvm->nvm_data->n_hw_addrs > 1) ? |
| 567 | min(IWL_MVM_MAX_ADDRESSES, mvm->nvm_data->n_hw_addrs) : 1; |
| 568 | |
| 569 | for (i = 1; i < num_mac; i++) { |
| 570 | memcpy(mvm->addresses[i].addr, mvm->addresses[i-1].addr, |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 571 | ETH_ALEN); |
Ilan Peer | 831e85f | 2013-02-07 17:09:09 +0200 | [diff] [blame] | 572 | mvm->addresses[i].addr[5]++; |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 573 | hw->wiphy->n_addresses++; |
| 574 | } |
| 575 | |
Ilan Peer | fe0f2de | 2013-03-21 10:23:52 +0200 | [diff] [blame] | 576 | iwl_mvm_reset_phy_ctxts(mvm); |
| 577 | |
Luciano Coelho | 999d256 | 2015-03-27 10:28:26 +0300 | [diff] [blame] | 578 | hw->wiphy->max_scan_ie_len = iwl_mvm_max_scan_ie_len(mvm); |
David Spinadel | 20f1a5d | 2013-08-21 09:14:27 +0300 | [diff] [blame] | 579 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 580 | hw->wiphy->max_scan_ssids = PROBE_OPTION_MAX; |
| 581 | |
Luciano Coelho | c7d4248 | 2015-05-07 16:00:26 +0300 | [diff] [blame] | 582 | BUILD_BUG_ON(IWL_MVM_SCAN_STOPPING_MASK & IWL_MVM_SCAN_MASK); |
Luciano Coelho | 507e4cd | 2015-03-19 22:58:33 +0200 | [diff] [blame] | 583 | BUILD_BUG_ON(IWL_MVM_MAX_UMAC_SCANS > HWEIGHT32(IWL_MVM_SCAN_MASK) || |
| 584 | IWL_MVM_MAX_LMAC_SCANS > HWEIGHT32(IWL_MVM_SCAN_MASK)); |
| 585 | |
Johannes Berg | 859d914 | 2015-06-01 17:11:11 +0200 | [diff] [blame] | 586 | if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN)) |
Luciano Coelho | 507e4cd | 2015-03-19 22:58:33 +0200 | [diff] [blame] | 587 | mvm->max_scans = IWL_MVM_MAX_UMAC_SCANS; |
| 588 | else |
| 589 | mvm->max_scans = IWL_MVM_MAX_LMAC_SCANS; |
| 590 | |
Johannes Berg | 57fbcce | 2016-04-12 15:56:15 +0200 | [diff] [blame] | 591 | if (mvm->nvm_data->bands[NL80211_BAND_2GHZ].n_channels) |
| 592 | hw->wiphy->bands[NL80211_BAND_2GHZ] = |
| 593 | &mvm->nvm_data->bands[NL80211_BAND_2GHZ]; |
| 594 | if (mvm->nvm_data->bands[NL80211_BAND_5GHZ].n_channels) { |
| 595 | hw->wiphy->bands[NL80211_BAND_5GHZ] = |
| 596 | &mvm->nvm_data->bands[NL80211_BAND_5GHZ]; |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 597 | |
Johannes Berg | 859d914 | 2015-06-01 17:11:11 +0200 | [diff] [blame] | 598 | if (fw_has_capa(&mvm->fw->ucode_capa, |
| 599 | IWL_UCODE_TLV_CAPA_BEAMFORMER) && |
| 600 | fw_has_api(&mvm->fw->ucode_capa, |
| 601 | IWL_UCODE_TLV_API_LQ_SS_PARAMS)) |
Johannes Berg | 57fbcce | 2016-04-12 15:56:15 +0200 | [diff] [blame] | 602 | hw->wiphy->bands[NL80211_BAND_5GHZ]->vht_cap.cap |= |
Eyal Shapira | 3d44eeb | 2015-01-16 22:37:04 +0200 | [diff] [blame] | 603 | IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE; |
| 604 | } |
| 605 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 606 | hw->wiphy->hw_version = mvm->trans->hw_id; |
| 607 | |
Alexander Bondar | ade5065 | 2013-04-03 16:28:47 +0300 | [diff] [blame] | 608 | if (iwlmvm_mod_params.power_scheme != IWL_POWER_SCHEME_CAM) |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 609 | hw->wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT; |
| 610 | else |
| 611 | hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT; |
| 612 | |
Emmanuel Grumbach | 9954b37 | 2015-03-16 14:49:55 +0200 | [diff] [blame] | 613 | hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_SCHED_SCAN; |
| 614 | hw->wiphy->max_sched_scan_ssids = PROBE_OPTION_MAX; |
| 615 | hw->wiphy->max_match_sets = IWL_SCAN_MAX_PROFILES; |
| 616 | /* we create the 802.11 header and zero length SSID IE. */ |
| 617 | hw->wiphy->max_sched_scan_ie_len = |
| 618 | SCAN_OFFLOAD_PROBE_REQ_SIZE - 24 - 2; |
Avraham Stern | cd55cce | 2015-08-19 12:46:12 +0300 | [diff] [blame] | 619 | hw->wiphy->max_sched_scan_plans = IWL_MAX_SCHED_SCAN_PLANS; |
| 620 | hw->wiphy->max_sched_scan_plan_interval = U16_MAX; |
| 621 | |
| 622 | /* |
| 623 | * the firmware uses u8 for num of iterations, but 0xff is saved for |
| 624 | * infinite loop, so the maximum number of iterations is actually 254. |
| 625 | */ |
| 626 | hw->wiphy->max_sched_scan_plan_iterations = 254; |
David Spinadel | 35a000b | 2013-08-28 09:29:43 +0300 | [diff] [blame] | 627 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 628 | hw->wiphy->features |= NL80211_FEATURE_P2P_GO_CTWIN | |
Johannes Berg | ab48003 | 2014-06-04 10:13:50 +0200 | [diff] [blame] | 629 | NL80211_FEATURE_LOW_PRIORITY_SCAN | |
Eliad Peller | 0d8614b | 2014-09-10 14:07:36 +0300 | [diff] [blame] | 630 | NL80211_FEATURE_P2P_GO_OPPPS | |
Peer, Ilan | a904a08 | 2016-08-10 13:48:35 +0300 | [diff] [blame] | 631 | NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE | |
Eliad Peller | 0d8614b | 2014-09-10 14:07:36 +0300 | [diff] [blame] | 632 | NL80211_FEATURE_DYNAMIC_SMPS | |
Emmanuel Grumbach | 9b5452f | 2014-10-07 10:38:53 +0300 | [diff] [blame] | 633 | NL80211_FEATURE_STATIC_SMPS | |
| 634 | NL80211_FEATURE_SUPPORTS_WMM_ADMISSION; |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 635 | |
Johannes Berg | 859d914 | 2015-06-01 17:11:11 +0200 | [diff] [blame] | 636 | if (fw_has_capa(&mvm->fw->ucode_capa, |
| 637 | IWL_UCODE_TLV_CAPA_TXPOWER_INSERTION_SUPPORT)) |
Andrei Otcheretianski | f1daa00 | 2014-07-01 12:54:25 +0300 | [diff] [blame] | 638 | hw->wiphy->features |= NL80211_FEATURE_TX_POWER_INSERTION; |
Johannes Berg | 859d914 | 2015-06-01 17:11:11 +0200 | [diff] [blame] | 639 | if (fw_has_capa(&mvm->fw->ucode_capa, |
| 640 | IWL_UCODE_TLV_CAPA_QUIET_PERIOD_SUPPORT)) |
Assaf Krauss | 226bcd4 | 2014-03-13 08:12:15 +0200 | [diff] [blame] | 641 | hw->wiphy->features |= NL80211_FEATURE_QUIET; |
Andrei Otcheretianski | f1daa00 | 2014-07-01 12:54:25 +0300 | [diff] [blame] | 642 | |
Johannes Berg | 859d914 | 2015-06-01 17:11:11 +0200 | [diff] [blame] | 643 | if (fw_has_capa(&mvm->fw->ucode_capa, |
| 644 | IWL_UCODE_TLV_CAPA_DS_PARAM_SET_IE_SUPPORT)) |
Andrei Otcheretianski | 73897bd | 2014-07-09 18:59:14 +0300 | [diff] [blame] | 645 | hw->wiphy->features |= |
| 646 | NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES; |
| 647 | |
Johannes Berg | 859d914 | 2015-06-01 17:11:11 +0200 | [diff] [blame] | 648 | if (fw_has_capa(&mvm->fw->ucode_capa, |
| 649 | IWL_UCODE_TLV_CAPA_WFA_TPC_REP_IE_SUPPORT)) |
Andrei Otcheretianski | 73897bd | 2014-07-09 18:59:14 +0300 | [diff] [blame] | 650 | hw->wiphy->features |= NL80211_FEATURE_WFA_TPC_IE_IN_PROBES; |
| 651 | |
Avrahams Stern | aacf8f1 | 2016-07-19 11:15:09 +0300 | [diff] [blame] | 652 | if (fw_has_api(&mvm->fw->ucode_capa, |
| 653 | IWL_UCODE_TLV_API_SCAN_TSF_REPORT)) { |
| 654 | wiphy_ext_feature_set(hw->wiphy, |
| 655 | NL80211_EXT_FEATURE_SCAN_START_TIME); |
| 656 | wiphy_ext_feature_set(hw->wiphy, |
| 657 | NL80211_EXT_FEATURE_BSS_PARENT_TSF); |
| 658 | wiphy_ext_feature_set(hw->wiphy, |
| 659 | NL80211_EXT_FEATURE_SET_SCAN_DWELL); |
| 660 | } |
| 661 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 662 | mvm->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD; |
| 663 | |
| 664 | #ifdef CONFIG_PM_SLEEP |
Eliad Peller | d15a747 | 2014-03-27 18:53:12 +0200 | [diff] [blame] | 665 | if (iwl_mvm_is_d0i3_supported(mvm) && |
| 666 | device_can_wakeup(mvm->trans->dev)) { |
| 667 | mvm->wowlan.flags = WIPHY_WOWLAN_ANY; |
| 668 | hw->wiphy->wowlan = &mvm->wowlan; |
Eliad Peller | 9174244 | 2014-12-09 15:54:46 +0200 | [diff] [blame] | 669 | } |
| 670 | |
| 671 | if (mvm->fw->img[IWL_UCODE_WOWLAN].sec[0].len && |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 672 | mvm->trans->ops->d3_suspend && |
| 673 | mvm->trans->ops->d3_resume && |
| 674 | device_can_wakeup(mvm->trans->dev)) { |
Eliad Peller | 9174244 | 2014-12-09 15:54:46 +0200 | [diff] [blame] | 675 | mvm->wowlan.flags |= WIPHY_WOWLAN_MAGIC_PKT | |
| 676 | WIPHY_WOWLAN_DISCONNECT | |
| 677 | WIPHY_WOWLAN_EAP_IDENTITY_REQ | |
| 678 | WIPHY_WOWLAN_RFKILL_RELEASE | |
| 679 | WIPHY_WOWLAN_NET_DETECT; |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 680 | if (!iwlwifi_mod_params.sw_crypto) |
Johannes Berg | 964dc9e | 2013-06-03 17:25:34 +0200 | [diff] [blame] | 681 | mvm->wowlan.flags |= WIPHY_WOWLAN_SUPPORTS_GTK_REKEY | |
| 682 | WIPHY_WOWLAN_GTK_REKEY_FAILURE | |
| 683 | WIPHY_WOWLAN_4WAY_HANDSHAKE; |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 684 | |
Johannes Berg | 964dc9e | 2013-06-03 17:25:34 +0200 | [diff] [blame] | 685 | mvm->wowlan.n_patterns = IWL_WOWLAN_MAX_PATTERNS; |
| 686 | mvm->wowlan.pattern_min_len = IWL_WOWLAN_MIN_PATTERN_LEN; |
| 687 | mvm->wowlan.pattern_max_len = IWL_WOWLAN_MAX_PATTERN_LEN; |
Luciano Coelho | c55385f | 2014-10-24 10:39:51 +0300 | [diff] [blame] | 688 | mvm->wowlan.max_nd_match_sets = IWL_SCAN_MAX_PROFILES; |
Johannes Berg | 964dc9e | 2013-06-03 17:25:34 +0200 | [diff] [blame] | 689 | mvm->wowlan.tcp = &iwl_mvm_wowlan_tcp_support; |
| 690 | hw->wiphy->wowlan = &mvm->wowlan; |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 691 | } |
| 692 | #endif |
| 693 | |
Eliad Peller | 7773692 | 2014-01-14 12:35:49 +0200 | [diff] [blame] | 694 | #ifdef CONFIG_IWLWIFI_BCAST_FILTERING |
| 695 | /* assign default bcast filtering configuration */ |
| 696 | mvm->bcast_filters = iwl_mvm_default_bcast_filters; |
| 697 | #endif |
| 698 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 699 | ret = iwl_mvm_leds_init(mvm); |
| 700 | if (ret) |
| 701 | return ret; |
| 702 | |
Johannes Berg | 859d914 | 2015-06-01 17:11:11 +0200 | [diff] [blame] | 703 | if (fw_has_capa(&mvm->fw->ucode_capa, |
| 704 | IWL_UCODE_TLV_CAPA_TDLS_SUPPORT)) { |
Arik Nemtsov | d8f1c51 | 2014-05-11 18:13:04 +0300 | [diff] [blame] | 705 | IWL_DEBUG_TDLS(mvm, "TDLS supported\n"); |
| 706 | hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS; |
Arik Nemtsov | 7c4f084 | 2015-04-30 18:31:45 +0300 | [diff] [blame] | 707 | ieee80211_hw_set(hw, TDLS_WIDER_BW); |
Arik Nemtsov | d8f1c51 | 2014-05-11 18:13:04 +0300 | [diff] [blame] | 708 | } |
| 709 | |
Johannes Berg | 859d914 | 2015-06-01 17:11:11 +0200 | [diff] [blame] | 710 | if (fw_has_capa(&mvm->fw->ucode_capa, |
| 711 | IWL_UCODE_TLV_CAPA_TDLS_CHANNEL_SWITCH)) { |
Arik Nemtsov | 1d3c3f6 | 2014-10-23 18:03:10 +0300 | [diff] [blame] | 712 | IWL_DEBUG_TDLS(mvm, "TDLS channel switch supported\n"); |
| 713 | hw->wiphy->features |= NL80211_FEATURE_TDLS_CHANNEL_SWITCH; |
| 714 | } |
| 715 | |
Avri Altman | 93190fb | 2014-12-27 09:09:47 +0200 | [diff] [blame] | 716 | hw->netdev_features |= mvm->cfg->features; |
Sara Sharon | 5e6a98d | 2016-03-10 17:40:56 +0200 | [diff] [blame] | 717 | if (!iwl_mvm_is_csum_supported(mvm)) { |
| 718 | hw->netdev_features &= ~(IWL_TX_CSUM_NETIF_FLAGS | |
| 719 | NETIF_F_RXCSUM); |
| 720 | /* We may support SW TX CSUM */ |
| 721 | if (IWL_MVM_SW_TX_CSUM_OFFLOAD) |
| 722 | hw->netdev_features |= IWL_TX_CSUM_NETIF_FLAGS; |
| 723 | } |
Emmanuel Grumbach | 41837ca9 | 2015-10-21 09:00:07 +0300 | [diff] [blame] | 724 | |
Emmanuel Grumbach | b7327d8 | 2013-06-24 15:44:03 +0300 | [diff] [blame] | 725 | ret = ieee80211_register_hw(mvm->hw); |
| 726 | if (ret) |
| 727 | iwl_mvm_leds_exit(mvm); |
| 728 | |
Aviya Erenfeld | 91b08c2d | 2016-03-27 14:53:49 +0300 | [diff] [blame] | 729 | if (mvm->cfg->vht_mu_mimo_supported) |
| 730 | wiphy_ext_feature_set(hw->wiphy, |
| 731 | NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER); |
| 732 | |
Emmanuel Grumbach | b7327d8 | 2013-06-24 15:44:03 +0300 | [diff] [blame] | 733 | return ret; |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 734 | } |
| 735 | |
Arik Nemtsov | b249250 | 2014-03-13 12:21:50 +0200 | [diff] [blame] | 736 | static bool iwl_mvm_defer_tx(struct iwl_mvm *mvm, |
| 737 | struct ieee80211_sta *sta, |
| 738 | struct sk_buff *skb) |
| 739 | { |
| 740 | struct iwl_mvm_sta *mvmsta; |
| 741 | bool defer = false; |
| 742 | |
| 743 | /* |
| 744 | * double check the IN_D0I3 flag both before and after |
| 745 | * taking the spinlock, in order to prevent taking |
| 746 | * the spinlock when not needed. |
| 747 | */ |
| 748 | if (likely(!test_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status))) |
| 749 | return false; |
| 750 | |
| 751 | spin_lock(&mvm->d0i3_tx_lock); |
| 752 | /* |
| 753 | * testing the flag again ensures the skb dequeue |
| 754 | * loop (on d0i3 exit) hasn't run yet. |
| 755 | */ |
| 756 | if (!test_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status)) |
| 757 | goto out; |
| 758 | |
| 759 | mvmsta = iwl_mvm_sta_from_mac80211(sta); |
| 760 | if (mvmsta->sta_id == IWL_MVM_STATION_COUNT || |
| 761 | mvmsta->sta_id != mvm->d0i3_ap_sta_id) |
| 762 | goto out; |
| 763 | |
| 764 | __skb_queue_tail(&mvm->d0i3_tx, skb); |
| 765 | ieee80211_stop_queues(mvm->hw); |
| 766 | |
| 767 | /* trigger wakeup */ |
| 768 | iwl_mvm_ref(mvm, IWL_MVM_REF_TX); |
| 769 | iwl_mvm_unref(mvm, IWL_MVM_REF_TX); |
| 770 | |
| 771 | defer = true; |
| 772 | out: |
| 773 | spin_unlock(&mvm->d0i3_tx_lock); |
| 774 | return defer; |
| 775 | } |
| 776 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 777 | static void iwl_mvm_mac_tx(struct ieee80211_hw *hw, |
| 778 | struct ieee80211_tx_control *control, |
| 779 | struct sk_buff *skb) |
| 780 | { |
| 781 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); |
Johannes Berg | 3e56ead | 2013-02-15 22:23:18 +0100 | [diff] [blame] | 782 | struct ieee80211_sta *sta = control->sta; |
| 783 | struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); |
| 784 | struct ieee80211_hdr *hdr = (void *)skb->data; |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 785 | |
Eytan Lifshitz | 9ee718a | 2013-05-19 19:14:41 +0300 | [diff] [blame] | 786 | if (iwl_mvm_is_radio_killed(mvm)) { |
| 787 | IWL_DEBUG_DROP(mvm, "Dropping - RF/CT KILL\n"); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 788 | goto drop; |
| 789 | } |
| 790 | |
Ilan Peer | 398e8c6 | 2013-03-13 15:20:35 +0200 | [diff] [blame] | 791 | if (IEEE80211_SKB_CB(skb)->hw_queue == IWL_MVM_OFFCHANNEL_QUEUE && |
Matti Gottlieb | a6cc516 | 2014-09-29 11:46:04 +0300 | [diff] [blame] | 792 | !test_bit(IWL_MVM_STATUS_ROC_RUNNING, &mvm->status) && |
| 793 | !test_bit(IWL_MVM_STATUS_ROC_AUX_RUNNING, &mvm->status)) |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 794 | goto drop; |
| 795 | |
Johannes Berg | 3e56ead | 2013-02-15 22:23:18 +0100 | [diff] [blame] | 796 | /* treat non-bufferable MMPDUs as broadcast if sta is sleeping */ |
| 797 | if (unlikely(info->flags & IEEE80211_TX_CTL_NO_PS_BUFFER && |
| 798 | ieee80211_is_mgmt(hdr->frame_control) && |
| 799 | !ieee80211_is_deauth(hdr->frame_control) && |
| 800 | !ieee80211_is_disassoc(hdr->frame_control) && |
| 801 | !ieee80211_is_action(hdr->frame_control))) |
| 802 | sta = NULL; |
| 803 | |
| 804 | if (sta) { |
Arik Nemtsov | b249250 | 2014-03-13 12:21:50 +0200 | [diff] [blame] | 805 | if (iwl_mvm_defer_tx(mvm, sta, skb)) |
| 806 | return; |
Johannes Berg | 3e56ead | 2013-02-15 22:23:18 +0100 | [diff] [blame] | 807 | if (iwl_mvm_tx_skb(mvm, skb, sta)) |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 808 | goto drop; |
| 809 | return; |
| 810 | } |
| 811 | |
| 812 | if (iwl_mvm_tx_skb_non_sta(mvm, skb)) |
| 813 | goto drop; |
| 814 | return; |
| 815 | drop: |
| 816 | ieee80211_free_txskb(hw, skb); |
| 817 | } |
| 818 | |
Emmanuel Grumbach | 205e221 | 2014-02-12 15:15:05 +0200 | [diff] [blame] | 819 | static inline bool iwl_enable_rx_ampdu(const struct iwl_cfg *cfg) |
| 820 | { |
| 821 | if (iwlwifi_mod_params.disable_11n & IWL_DISABLE_HT_RXAGG) |
| 822 | return false; |
| 823 | return true; |
| 824 | } |
| 825 | |
| 826 | static inline bool iwl_enable_tx_ampdu(const struct iwl_cfg *cfg) |
| 827 | { |
| 828 | if (iwlwifi_mod_params.disable_11n & IWL_DISABLE_HT_TXAGG) |
| 829 | return false; |
| 830 | if (iwlwifi_mod_params.disable_11n & IWL_ENABLE_HT_TXAGG) |
| 831 | return true; |
| 832 | |
| 833 | /* enabled by default */ |
| 834 | return true; |
| 835 | } |
| 836 | |
Emmanuel Grumbach | 4203263 | 2015-04-15 12:43:46 +0300 | [diff] [blame] | 837 | #define CHECK_BA_TRIGGER(_mvm, _trig, _tid_bm, _tid, _fmt...) \ |
| 838 | do { \ |
| 839 | if (!(le16_to_cpu(_tid_bm) & BIT(_tid))) \ |
| 840 | break; \ |
| 841 | iwl_mvm_fw_dbg_collect_trig(_mvm, _trig, _fmt); \ |
| 842 | } while (0) |
| 843 | |
| 844 | static void |
| 845 | iwl_mvm_ampdu_check_trigger(struct iwl_mvm *mvm, struct ieee80211_vif *vif, |
| 846 | struct ieee80211_sta *sta, u16 tid, u16 rx_ba_ssn, |
| 847 | enum ieee80211_ampdu_mlme_action action) |
| 848 | { |
| 849 | struct iwl_fw_dbg_trigger_tlv *trig; |
| 850 | struct iwl_fw_dbg_trigger_ba *ba_trig; |
| 851 | |
| 852 | if (!iwl_fw_dbg_trigger_enabled(mvm->fw, FW_DBG_TRIGGER_BA)) |
| 853 | return; |
| 854 | |
| 855 | trig = iwl_fw_dbg_get_trigger(mvm->fw, FW_DBG_TRIGGER_BA); |
| 856 | ba_trig = (void *)trig->data; |
| 857 | |
| 858 | if (!iwl_fw_dbg_trigger_check_stop(mvm, vif, trig)) |
| 859 | return; |
| 860 | |
| 861 | switch (action) { |
| 862 | case IEEE80211_AMPDU_TX_OPERATIONAL: { |
| 863 | struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); |
| 864 | struct iwl_mvm_tid_data *tid_data = &mvmsta->tid_data[tid]; |
| 865 | |
| 866 | CHECK_BA_TRIGGER(mvm, trig, ba_trig->tx_ba_start, tid, |
| 867 | "TX AGG START: MAC %pM tid %d ssn %d\n", |
| 868 | sta->addr, tid, tid_data->ssn); |
| 869 | break; |
| 870 | } |
| 871 | case IEEE80211_AMPDU_TX_STOP_CONT: |
| 872 | CHECK_BA_TRIGGER(mvm, trig, ba_trig->tx_ba_stop, tid, |
| 873 | "TX AGG STOP: MAC %pM tid %d\n", |
| 874 | sta->addr, tid); |
| 875 | break; |
| 876 | case IEEE80211_AMPDU_RX_START: |
| 877 | CHECK_BA_TRIGGER(mvm, trig, ba_trig->rx_ba_start, tid, |
| 878 | "RX AGG START: MAC %pM tid %d ssn %d\n", |
| 879 | sta->addr, tid, rx_ba_ssn); |
| 880 | break; |
| 881 | case IEEE80211_AMPDU_RX_STOP: |
| 882 | CHECK_BA_TRIGGER(mvm, trig, ba_trig->rx_ba_stop, tid, |
| 883 | "RX AGG STOP: MAC %pM tid %d\n", |
| 884 | sta->addr, tid); |
| 885 | break; |
| 886 | default: |
| 887 | break; |
| 888 | } |
| 889 | } |
| 890 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 891 | static int iwl_mvm_mac_ampdu_action(struct ieee80211_hw *hw, |
| 892 | struct ieee80211_vif *vif, |
Sara Sharon | 50ea05e | 2015-12-30 16:06:04 +0200 | [diff] [blame] | 893 | struct ieee80211_ampdu_params *params) |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 894 | { |
| 895 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); |
| 896 | int ret; |
Arik Nemtsov | b249250 | 2014-03-13 12:21:50 +0200 | [diff] [blame] | 897 | bool tx_agg_ref = false; |
Sara Sharon | 50ea05e | 2015-12-30 16:06:04 +0200 | [diff] [blame] | 898 | struct ieee80211_sta *sta = params->sta; |
| 899 | enum ieee80211_ampdu_mlme_action action = params->action; |
| 900 | u16 tid = params->tid; |
| 901 | u16 *ssn = ¶ms->ssn; |
| 902 | u8 buf_size = params->buf_size; |
Emmanuel Grumbach | bb81bb6 | 2015-10-26 16:00:29 +0200 | [diff] [blame] | 903 | bool amsdu = params->amsdu; |
Sara Sharon | 10b2b20 | 2016-03-20 16:23:41 +0200 | [diff] [blame] | 904 | u16 timeout = params->timeout; |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 905 | |
| 906 | IWL_DEBUG_HT(mvm, "A-MPDU action on addr %pM tid %d: action %d\n", |
| 907 | sta->addr, tid, action); |
| 908 | |
| 909 | if (!(mvm->nvm_data->sku_cap_11n_enable)) |
| 910 | return -EACCES; |
| 911 | |
Arik Nemtsov | b249250 | 2014-03-13 12:21:50 +0200 | [diff] [blame] | 912 | /* return from D0i3 before starting a new Tx aggregation */ |
Eliad Peller | 9256c20 | 2014-04-22 13:33:29 +0300 | [diff] [blame] | 913 | switch (action) { |
| 914 | case IEEE80211_AMPDU_TX_START: |
| 915 | case IEEE80211_AMPDU_TX_STOP_CONT: |
| 916 | case IEEE80211_AMPDU_TX_STOP_FLUSH: |
| 917 | case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: |
| 918 | case IEEE80211_AMPDU_TX_OPERATIONAL: |
Arik Nemtsov | b249250 | 2014-03-13 12:21:50 +0200 | [diff] [blame] | 919 | /* |
Eliad Peller | 9256c20 | 2014-04-22 13:33:29 +0300 | [diff] [blame] | 920 | * for tx start, wait synchronously until D0i3 exit to |
| 921 | * get the correct sequence number for the tid. |
| 922 | * additionally, some other ampdu actions use direct |
| 923 | * target access, which is not handled automatically |
| 924 | * by the trans layer (unlike commands), so wait for |
| 925 | * d0i3 exit in these cases as well. |
Arik Nemtsov | b249250 | 2014-03-13 12:21:50 +0200 | [diff] [blame] | 926 | */ |
Gregory Greenman | d40fc48 | 2014-06-25 14:08:50 +0200 | [diff] [blame] | 927 | ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_TX_AGG); |
| 928 | if (ret) |
| 929 | return ret; |
| 930 | |
| 931 | tx_agg_ref = true; |
Eliad Peller | 9256c20 | 2014-04-22 13:33:29 +0300 | [diff] [blame] | 932 | break; |
| 933 | default: |
| 934 | break; |
Arik Nemtsov | b249250 | 2014-03-13 12:21:50 +0200 | [diff] [blame] | 935 | } |
| 936 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 937 | mutex_lock(&mvm->mutex); |
| 938 | |
| 939 | switch (action) { |
| 940 | case IEEE80211_AMPDU_RX_START: |
Emmanuel Grumbach | 205e221 | 2014-02-12 15:15:05 +0200 | [diff] [blame] | 941 | if (!iwl_enable_rx_ampdu(mvm->cfg)) { |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 942 | ret = -EINVAL; |
| 943 | break; |
| 944 | } |
Sara Sharon | 10b2b20 | 2016-03-20 16:23:41 +0200 | [diff] [blame] | 945 | ret = iwl_mvm_sta_rx_agg(mvm, sta, tid, *ssn, true, buf_size, |
| 946 | timeout); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 947 | break; |
| 948 | case IEEE80211_AMPDU_RX_STOP: |
Sara Sharon | 10b2b20 | 2016-03-20 16:23:41 +0200 | [diff] [blame] | 949 | ret = iwl_mvm_sta_rx_agg(mvm, sta, tid, 0, false, buf_size, |
| 950 | timeout); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 951 | break; |
| 952 | case IEEE80211_AMPDU_TX_START: |
Emmanuel Grumbach | 205e221 | 2014-02-12 15:15:05 +0200 | [diff] [blame] | 953 | if (!iwl_enable_tx_ampdu(mvm->cfg)) { |
Emmanuel Grumbach | 5d158ef | 2013-02-19 14:39:58 +0200 | [diff] [blame] | 954 | ret = -EINVAL; |
| 955 | break; |
| 956 | } |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 957 | ret = iwl_mvm_sta_tx_agg_start(mvm, vif, sta, tid, ssn); |
| 958 | break; |
| 959 | case IEEE80211_AMPDU_TX_STOP_CONT: |
Emmanuel Grumbach | e3d9e7c | 2013-02-19 16:13:53 +0200 | [diff] [blame] | 960 | ret = iwl_mvm_sta_tx_agg_stop(mvm, vif, sta, tid); |
| 961 | break; |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 962 | case IEEE80211_AMPDU_TX_STOP_FLUSH: |
| 963 | case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: |
Emmanuel Grumbach | e3d9e7c | 2013-02-19 16:13:53 +0200 | [diff] [blame] | 964 | ret = iwl_mvm_sta_tx_agg_flush(mvm, vif, sta, tid); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 965 | break; |
| 966 | case IEEE80211_AMPDU_TX_OPERATIONAL: |
Emmanuel Grumbach | bb81bb6 | 2015-10-26 16:00:29 +0200 | [diff] [blame] | 967 | ret = iwl_mvm_sta_tx_agg_oper(mvm, vif, sta, tid, |
| 968 | buf_size, amsdu); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 969 | break; |
| 970 | default: |
| 971 | WARN_ON_ONCE(1); |
| 972 | ret = -EINVAL; |
| 973 | break; |
| 974 | } |
Emmanuel Grumbach | 4203263 | 2015-04-15 12:43:46 +0300 | [diff] [blame] | 975 | |
| 976 | if (!ret) { |
| 977 | u16 rx_ba_ssn = 0; |
| 978 | |
| 979 | if (action == IEEE80211_AMPDU_RX_START) |
| 980 | rx_ba_ssn = *ssn; |
| 981 | |
| 982 | iwl_mvm_ampdu_check_trigger(mvm, vif, sta, tid, |
| 983 | rx_ba_ssn, action); |
| 984 | } |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 985 | mutex_unlock(&mvm->mutex); |
| 986 | |
Arik Nemtsov | b249250 | 2014-03-13 12:21:50 +0200 | [diff] [blame] | 987 | /* |
| 988 | * If the tid is marked as started, we won't use it for offloaded |
| 989 | * traffic on the next D0i3 entry. It's safe to unref. |
| 990 | */ |
| 991 | if (tx_agg_ref) |
| 992 | iwl_mvm_unref(mvm, IWL_MVM_REF_TX_AGG); |
| 993 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 994 | return ret; |
| 995 | } |
| 996 | |
| 997 | static void iwl_mvm_cleanup_iterator(void *data, u8 *mac, |
| 998 | struct ieee80211_vif *vif) |
| 999 | { |
| 1000 | struct iwl_mvm *mvm = data; |
| 1001 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); |
| 1002 | |
| 1003 | mvmvif->uploaded = false; |
| 1004 | mvmvif->ap_sta_id = IWL_MVM_STATION_COUNT; |
| 1005 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1006 | spin_lock_bh(&mvm->time_event_lock); |
| 1007 | iwl_mvm_te_clear_data(mvm, &mvmvif->time_event_data); |
| 1008 | spin_unlock_bh(&mvm->time_event_lock); |
| 1009 | |
Ilan Peer | fe0f2de | 2013-03-21 10:23:52 +0200 | [diff] [blame] | 1010 | mvmvif->phy_ctxt = NULL; |
Emmanuel Grumbach | 8a275ba | 2014-07-13 09:12:11 +0300 | [diff] [blame] | 1011 | memset(&mvmvif->bf_data, 0, sizeof(mvmvif->bf_data)); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1012 | } |
| 1013 | |
| 1014 | static void iwl_mvm_restart_cleanup(struct iwl_mvm *mvm) |
| 1015 | { |
Johannes Berg | 58629d9 | 2014-11-06 09:40:50 +0100 | [diff] [blame] | 1016 | /* clear the D3 reconfig, we only need it to avoid dumping a |
| 1017 | * firmware coredump on reconfiguration, we shouldn't do that |
| 1018 | * on D3->D0 transition |
| 1019 | */ |
Emmanuel Grumbach | b6eaa45 | 2015-01-29 14:58:20 +0200 | [diff] [blame] | 1020 | if (!test_and_clear_bit(IWL_MVM_STATUS_D3_RECONFIG, &mvm->status)) { |
| 1021 | mvm->fw_dump_desc = &iwl_mvm_dump_desc_assert; |
Johannes Berg | 58629d9 | 2014-11-06 09:40:50 +0100 | [diff] [blame] | 1022 | iwl_mvm_fw_error_dump(mvm); |
Emmanuel Grumbach | b6eaa45 | 2015-01-29 14:58:20 +0200 | [diff] [blame] | 1023 | } |
Emmanuel Grumbach | 1bd3cbc | 2014-03-18 21:15:06 +0200 | [diff] [blame] | 1024 | |
Eliad Peller | 744cb69 | 2014-12-10 18:44:13 +0200 | [diff] [blame] | 1025 | /* cleanup all stale references (scan, roc), but keep the |
| 1026 | * ucode_down ref until reconfig is complete |
| 1027 | */ |
| 1028 | iwl_mvm_unref_all_except(mvm, IWL_MVM_REF_UCODE_DOWN); |
| 1029 | |
Chaya Rachel Ivgi | fcb6b92 | 2016-02-22 10:21:41 +0200 | [diff] [blame] | 1030 | iwl_mvm_stop_device(mvm); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1031 | |
Luciano Coelho | 9af91f4 | 2015-02-10 10:42:26 +0200 | [diff] [blame] | 1032 | mvm->scan_status = 0; |
Luciano Coelho | b187330 | 2014-08-08 17:12:07 +0300 | [diff] [blame] | 1033 | mvm->ps_disabled = false; |
Emmanuel Grumbach | 31b8b34 | 2014-11-02 15:48:09 +0200 | [diff] [blame] | 1034 | mvm->calibrating = false; |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1035 | |
| 1036 | /* just in case one was running */ |
Eliad Peller | 305d236 | 2015-12-09 16:33:20 +0200 | [diff] [blame] | 1037 | iwl_mvm_cleanup_roc_te(mvm); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1038 | ieee80211_remain_on_channel_expired(mvm->hw); |
| 1039 | |
Arik Nemtsov | 737719f | 2015-02-23 14:42:41 +0200 | [diff] [blame] | 1040 | /* |
| 1041 | * cleanup all interfaces, even inactive ones, as some might have |
| 1042 | * gone down during the HW restart |
| 1043 | */ |
| 1044 | ieee80211_iterate_interfaces(mvm->hw, 0, iwl_mvm_cleanup_iterator, mvm); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1045 | |
Ilan Peer | fe0f2de | 2013-03-21 10:23:52 +0200 | [diff] [blame] | 1046 | mvm->p2p_device_vif = NULL; |
Eliad Peller | 37577fe | 2013-12-05 17:19:39 +0200 | [diff] [blame] | 1047 | mvm->d0i3_ap_sta_id = IWL_MVM_STATION_COUNT; |
Ilan Peer | fe0f2de | 2013-03-21 10:23:52 +0200 | [diff] [blame] | 1048 | |
| 1049 | iwl_mvm_reset_phy_ctxts(mvm); |
Luca Coelho | 9c3deeb | 2015-11-11 01:06:17 +0200 | [diff] [blame] | 1050 | memset(mvm->fw_key_table, 0, sizeof(mvm->fw_key_table)); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1051 | memset(mvm->sta_drained, 0, sizeof(mvm->sta_drained)); |
Liad Kaufman | 24afba7 | 2015-07-28 18:56:08 +0300 | [diff] [blame] | 1052 | memset(mvm->sta_deferred_frames, 0, sizeof(mvm->sta_deferred_frames)); |
Arik Nemtsov | a0f6bf2 | 2014-09-21 19:10:04 +0300 | [diff] [blame] | 1053 | memset(mvm->tfd_drained, 0, sizeof(mvm->tfd_drained)); |
Emmanuel Grumbach | 8a275ba | 2014-07-13 09:12:11 +0300 | [diff] [blame] | 1054 | memset(&mvm->last_bt_notif, 0, sizeof(mvm->last_bt_notif)); |
Emmanuel Grumbach | 8a275ba | 2014-07-13 09:12:11 +0300 | [diff] [blame] | 1055 | memset(&mvm->last_bt_ci_cmd, 0, sizeof(mvm->last_bt_ci_cmd)); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1056 | |
| 1057 | ieee80211_wake_queues(mvm->hw); |
| 1058 | |
Eliad Peller | 228670b | 2014-08-10 17:00:15 +0300 | [diff] [blame] | 1059 | /* clear any stale d0i3 state */ |
| 1060 | clear_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status); |
| 1061 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1062 | mvm->vif_count = 0; |
Emmanuel Grumbach | 113a044 | 2013-07-02 14:16:38 +0300 | [diff] [blame] | 1063 | mvm->rx_ba_sessions = 0; |
Emmanuel Grumbach | d2709ad | 2015-01-29 14:58:06 +0200 | [diff] [blame] | 1064 | mvm->fw_dbg_conf = FW_DBG_INVALID; |
Johannes Berg | 91a8bcd | 2015-01-14 18:12:41 +0100 | [diff] [blame] | 1065 | |
| 1066 | /* keep statistics ticking */ |
| 1067 | iwl_mvm_accu_radio_stats(mvm); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1068 | } |
| 1069 | |
Luciano Coelho | a0a09243 | 2014-09-04 12:29:15 +0300 | [diff] [blame] | 1070 | int __iwl_mvm_mac_start(struct iwl_mvm *mvm) |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1071 | { |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1072 | int ret; |
| 1073 | |
Luciano Coelho | a0a09243 | 2014-09-04 12:29:15 +0300 | [diff] [blame] | 1074 | lockdep_assert_held(&mvm->mutex); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1075 | |
Luca Coelho | a42b2af3 | 2015-11-25 22:15:32 +0200 | [diff] [blame] | 1076 | if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) { |
| 1077 | /* Clean up some internal and mac80211 state on restart */ |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1078 | iwl_mvm_restart_cleanup(mvm); |
Luca Coelho | a42b2af3 | 2015-11-25 22:15:32 +0200 | [diff] [blame] | 1079 | } else { |
| 1080 | /* Hold the reference to prevent runtime suspend while |
| 1081 | * the start procedure runs. It's a bit confusing |
| 1082 | * that the UCODE_DOWN reference is taken, but it just |
| 1083 | * means "UCODE is not UP yet". ( TODO: rename this |
| 1084 | * reference). |
| 1085 | */ |
| 1086 | iwl_mvm_ref(mvm, IWL_MVM_REF_UCODE_DOWN); |
| 1087 | } |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1088 | ret = iwl_mvm_up(mvm); |
Johannes Berg | c47af22 | 2014-04-30 16:34:45 +0200 | [diff] [blame] | 1089 | |
| 1090 | if (ret && test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) { |
| 1091 | /* Something went wrong - we need to finish some cleanup |
| 1092 | * that normally iwl_mvm_mac_restart_complete() below |
| 1093 | * would do. |
| 1094 | */ |
| 1095 | clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status); |
| 1096 | iwl_mvm_d0i3_enable_tx(mvm, NULL); |
| 1097 | } |
| 1098 | |
Luciano Coelho | a0a09243 | 2014-09-04 12:29:15 +0300 | [diff] [blame] | 1099 | return ret; |
| 1100 | } |
| 1101 | |
| 1102 | static int iwl_mvm_mac_start(struct ieee80211_hw *hw) |
| 1103 | { |
| 1104 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); |
| 1105 | int ret; |
| 1106 | |
Eliad Peller | 37948fc | 2014-12-11 10:48:18 +0200 | [diff] [blame] | 1107 | /* Some hw restart cleanups must not hold the mutex */ |
| 1108 | if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) { |
| 1109 | /* |
| 1110 | * Make sure we are out of d0i3. This is needed |
| 1111 | * to make sure the reference accounting is correct |
| 1112 | * (and there is no stale d0i3_exit_work). |
| 1113 | */ |
| 1114 | wait_event_timeout(mvm->d0i3_exit_waitq, |
| 1115 | !test_bit(IWL_MVM_STATUS_IN_D0I3, |
| 1116 | &mvm->status), |
| 1117 | HZ); |
| 1118 | } |
| 1119 | |
Luciano Coelho | a0a09243 | 2014-09-04 12:29:15 +0300 | [diff] [blame] | 1120 | mutex_lock(&mvm->mutex); |
| 1121 | ret = __iwl_mvm_mac_start(mvm); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1122 | mutex_unlock(&mvm->mutex); |
| 1123 | |
| 1124 | return ret; |
| 1125 | } |
| 1126 | |
Eliad Peller | cf2c92d | 2014-11-04 11:43:54 +0200 | [diff] [blame] | 1127 | static void iwl_mvm_restart_complete(struct iwl_mvm *mvm) |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1128 | { |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1129 | int ret; |
| 1130 | |
| 1131 | mutex_lock(&mvm->mutex); |
| 1132 | |
| 1133 | clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status); |
Arik Nemtsov | b249250 | 2014-03-13 12:21:50 +0200 | [diff] [blame] | 1134 | iwl_mvm_d0i3_enable_tx(mvm, NULL); |
Johannes Berg | e7afe89 | 2015-04-21 09:21:46 +0200 | [diff] [blame] | 1135 | ret = iwl_mvm_update_quotas(mvm, true, NULL); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1136 | if (ret) |
| 1137 | IWL_ERR(mvm, "Failed to update quotas after restart (%d)\n", |
| 1138 | ret); |
| 1139 | |
Eliad Peller | 7498cf4 | 2014-01-16 17:10:44 +0200 | [diff] [blame] | 1140 | /* allow transport/FW low power modes */ |
| 1141 | iwl_mvm_unref(mvm, IWL_MVM_REF_UCODE_DOWN); |
| 1142 | |
Arik Nemtsov | cbd2ae2 | 2014-09-14 19:13:54 +0300 | [diff] [blame] | 1143 | /* |
| 1144 | * If we have TDLS peers, remove them. We don't know the last seqno/PN |
| 1145 | * of packets the FW sent out, so we must reconnect. |
| 1146 | */ |
| 1147 | iwl_mvm_teardown_tdls_peers(mvm); |
| 1148 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1149 | mutex_unlock(&mvm->mutex); |
| 1150 | } |
| 1151 | |
Eliad Peller | 088070a | 2014-10-20 18:42:58 +0300 | [diff] [blame] | 1152 | static void iwl_mvm_resume_complete(struct iwl_mvm *mvm) |
| 1153 | { |
Luca Coelho | b728264 | 2015-09-17 23:44:14 +0300 | [diff] [blame] | 1154 | if (iwl_mvm_is_d0i3_supported(mvm) && |
| 1155 | iwl_mvm_enter_d0i3_on_suspend(mvm)) |
| 1156 | WARN_ONCE(!wait_event_timeout(mvm->d0i3_exit_waitq, |
| 1157 | !test_bit(IWL_MVM_STATUS_IN_D0I3, |
| 1158 | &mvm->status), |
| 1159 | HZ), |
| 1160 | "D0i3 exit on resume timed out\n"); |
Eliad Peller | 088070a | 2014-10-20 18:42:58 +0300 | [diff] [blame] | 1161 | } |
| 1162 | |
Eliad Peller | cf2c92d | 2014-11-04 11:43:54 +0200 | [diff] [blame] | 1163 | static void |
| 1164 | iwl_mvm_mac_reconfig_complete(struct ieee80211_hw *hw, |
| 1165 | enum ieee80211_reconfig_type reconfig_type) |
| 1166 | { |
| 1167 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); |
| 1168 | |
| 1169 | switch (reconfig_type) { |
| 1170 | case IEEE80211_RECONFIG_TYPE_RESTART: |
| 1171 | iwl_mvm_restart_complete(mvm); |
| 1172 | break; |
| 1173 | case IEEE80211_RECONFIG_TYPE_SUSPEND: |
Eliad Peller | 088070a | 2014-10-20 18:42:58 +0300 | [diff] [blame] | 1174 | iwl_mvm_resume_complete(mvm); |
Eliad Peller | cf2c92d | 2014-11-04 11:43:54 +0200 | [diff] [blame] | 1175 | break; |
| 1176 | } |
| 1177 | } |
| 1178 | |
Luciano Coelho | a0a09243 | 2014-09-04 12:29:15 +0300 | [diff] [blame] | 1179 | void __iwl_mvm_mac_stop(struct iwl_mvm *mvm) |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1180 | { |
Luciano Coelho | a0a09243 | 2014-09-04 12:29:15 +0300 | [diff] [blame] | 1181 | lockdep_assert_held(&mvm->mutex); |
Eliad Peller | 7498cf4 | 2014-01-16 17:10:44 +0200 | [diff] [blame] | 1182 | |
Johannes Berg | 91a8bcd | 2015-01-14 18:12:41 +0100 | [diff] [blame] | 1183 | /* firmware counters are obviously reset now, but we shouldn't |
| 1184 | * partially track so also clear the fw_reset_accu counters. |
| 1185 | */ |
| 1186 | memset(&mvm->accu_radio_stats, 0, sizeof(mvm->accu_radio_stats)); |
| 1187 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1188 | /* async_handlers_wk is now blocked */ |
| 1189 | |
| 1190 | /* |
| 1191 | * The work item could be running or queued if the |
| 1192 | * ROC time event stops just as we get here. |
| 1193 | */ |
Eliad Peller | c779273 | 2015-04-19 11:41:04 +0300 | [diff] [blame] | 1194 | flush_work(&mvm->roc_done_wk); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1195 | |
Chaya Rachel Ivgi | fcb6b92 | 2016-02-22 10:21:41 +0200 | [diff] [blame] | 1196 | iwl_mvm_stop_device(mvm); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1197 | |
| 1198 | iwl_mvm_async_handlers_purge(mvm); |
| 1199 | /* async_handlers_list is empty and will stay empty: HW is stopped */ |
| 1200 | |
| 1201 | /* the fw is stopped, the aux sta is dead: clean up driver state */ |
Johannes Berg | 712b24a | 2014-08-04 14:14:14 +0200 | [diff] [blame] | 1202 | iwl_mvm_del_aux_sta(mvm); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1203 | |
Matti Gottlieb | 7fdf966 | 2016-03-15 13:46:47 +0200 | [diff] [blame] | 1204 | iwl_free_fw_paging(mvm); |
| 1205 | |
Eliad Peller | 0a79a0c0 | 2014-12-04 10:27:20 +0200 | [diff] [blame] | 1206 | /* |
| 1207 | * Clear IN_HW_RESTART flag when stopping the hw (as restart_complete() |
| 1208 | * won't be called in this case). |
Arik Nemtsov | 8b2b9fb | 2015-03-04 13:16:03 +0200 | [diff] [blame] | 1209 | * But make sure to cleanup interfaces that have gone down before/during |
| 1210 | * HW restart was requested. |
Eliad Peller | 0a79a0c0 | 2014-12-04 10:27:20 +0200 | [diff] [blame] | 1211 | */ |
Arik Nemtsov | 8b2b9fb | 2015-03-04 13:16:03 +0200 | [diff] [blame] | 1212 | if (test_and_clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) |
| 1213 | ieee80211_iterate_interfaces(mvm->hw, 0, |
| 1214 | iwl_mvm_cleanup_iterator, mvm); |
Eliad Peller | 0a79a0c0 | 2014-12-04 10:27:20 +0200 | [diff] [blame] | 1215 | |
Alexander Bondar | 963221b | 2015-03-26 11:07:35 +0200 | [diff] [blame] | 1216 | /* We shouldn't have any UIDs still set. Loop over all the UIDs to |
| 1217 | * make sure there's nothing left there and warn if any is found. |
| 1218 | */ |
Johannes Berg | 859d914 | 2015-06-01 17:11:11 +0200 | [diff] [blame] | 1219 | if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN)) { |
Alexander Bondar | 963221b | 2015-03-26 11:07:35 +0200 | [diff] [blame] | 1220 | int i; |
| 1221 | |
Luciano Coelho | 507e4cd | 2015-03-19 22:58:33 +0200 | [diff] [blame] | 1222 | for (i = 0; i < mvm->max_scans; i++) { |
Luciano Coelho | 6185af2a | 2015-05-07 11:13:24 +0300 | [diff] [blame] | 1223 | if (WARN_ONCE(mvm->scan_uid_status[i], |
| 1224 | "UMAC scan UID %d status was not cleaned\n", |
| 1225 | i)) |
| 1226 | mvm->scan_uid_status[i] = 0; |
Alexander Bondar | 963221b | 2015-03-26 11:07:35 +0200 | [diff] [blame] | 1227 | } |
| 1228 | } |
Luciano Coelho | a0a09243 | 2014-09-04 12:29:15 +0300 | [diff] [blame] | 1229 | } |
Luciano Coelho | bc44886 | 2014-08-20 11:49:11 +0300 | [diff] [blame] | 1230 | |
Luciano Coelho | a0a09243 | 2014-09-04 12:29:15 +0300 | [diff] [blame] | 1231 | static void iwl_mvm_mac_stop(struct ieee80211_hw *hw) |
| 1232 | { |
| 1233 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); |
| 1234 | |
| 1235 | flush_work(&mvm->d0i3_exit_work); |
| 1236 | flush_work(&mvm->async_handlers_wk); |
Liad Kaufman | 24afba7 | 2015-07-28 18:56:08 +0300 | [diff] [blame] | 1237 | flush_work(&mvm->add_stream_wk); |
Emmanuel Grumbach | d2709ad | 2015-01-29 14:58:06 +0200 | [diff] [blame] | 1238 | cancel_delayed_work_sync(&mvm->fw_dump_wk); |
Andrei Otcheretianski | d3a108a | 2016-02-28 17:12:21 +0200 | [diff] [blame] | 1239 | cancel_delayed_work_sync(&mvm->cs_tx_unblock_dwork); |
Luca Coelho | 69e0464 | 2016-05-03 12:18:33 +0300 | [diff] [blame] | 1240 | cancel_delayed_work_sync(&mvm->scan_timeout_dwork); |
Emmanuel Grumbach | b6eaa45 | 2015-01-29 14:58:20 +0200 | [diff] [blame] | 1241 | iwl_mvm_free_fw_dump_desc(mvm); |
Luciano Coelho | a0a09243 | 2014-09-04 12:29:15 +0300 | [diff] [blame] | 1242 | |
| 1243 | mutex_lock(&mvm->mutex); |
| 1244 | __iwl_mvm_mac_stop(mvm); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1245 | mutex_unlock(&mvm->mutex); |
| 1246 | |
| 1247 | /* |
| 1248 | * The worker might have been waiting for the mutex, let it run and |
| 1249 | * discover that its list is now empty. |
| 1250 | */ |
| 1251 | cancel_work_sync(&mvm->async_handlers_wk); |
| 1252 | } |
| 1253 | |
Ilan Peer | fe0f2de | 2013-03-21 10:23:52 +0200 | [diff] [blame] | 1254 | static struct iwl_mvm_phy_ctxt *iwl_mvm_get_free_phy_ctxt(struct iwl_mvm *mvm) |
| 1255 | { |
| 1256 | u16 i; |
| 1257 | |
| 1258 | lockdep_assert_held(&mvm->mutex); |
| 1259 | |
| 1260 | for (i = 0; i < NUM_PHY_CTX; i++) |
| 1261 | if (!mvm->phy_ctxts[i].ref) |
| 1262 | return &mvm->phy_ctxts[i]; |
| 1263 | |
| 1264 | IWL_ERR(mvm, "No available PHY context\n"); |
| 1265 | return NULL; |
| 1266 | } |
| 1267 | |
Avri Altman | d44c3fe | 2015-04-18 22:16:42 +0300 | [diff] [blame] | 1268 | static int iwl_mvm_set_tx_power(struct iwl_mvm *mvm, struct ieee80211_vif *vif, |
| 1269 | s16 tx_power) |
| 1270 | { |
| 1271 | struct iwl_dev_tx_power_cmd cmd = { |
Luca Coelho | 4b87e5a | 2016-09-12 16:03:30 +0300 | [diff] [blame] | 1272 | .v3.set_mode = cpu_to_le32(IWL_TX_POWER_MODE_SET_MAC), |
| 1273 | .v3.mac_context_id = |
Avri Altman | d44c3fe | 2015-04-18 22:16:42 +0300 | [diff] [blame] | 1274 | cpu_to_le32(iwl_mvm_vif_from_mac80211(vif)->id), |
Luca Coelho | 4b87e5a | 2016-09-12 16:03:30 +0300 | [diff] [blame] | 1275 | .v3.pwr_restriction = cpu_to_le16(8 * tx_power), |
Avri Altman | d44c3fe | 2015-04-18 22:16:42 +0300 | [diff] [blame] | 1276 | }; |
Johannes Berg | da03f02 | 2015-08-18 15:15:36 +0200 | [diff] [blame] | 1277 | int len = sizeof(cmd); |
Avri Altman | d44c3fe | 2015-04-18 22:16:42 +0300 | [diff] [blame] | 1278 | |
Avri Altman | d44c3fe | 2015-04-18 22:16:42 +0300 | [diff] [blame] | 1279 | if (tx_power == IWL_DEFAULT_MAX_TX_POWER) |
Luca Coelho | 4b87e5a | 2016-09-12 16:03:30 +0300 | [diff] [blame] | 1280 | cmd.v3.pwr_restriction = cpu_to_le16(IWL_DEV_MAX_TX_POWER); |
Avri Altman | d44c3fe | 2015-04-18 22:16:42 +0300 | [diff] [blame] | 1281 | |
Luca Coelho | 55bfa4b | 2016-06-29 00:38:40 +0300 | [diff] [blame] | 1282 | if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_TX_POWER_ACK)) |
| 1283 | len = sizeof(cmd.v3); |
Johannes Berg | da03f02 | 2015-08-18 15:15:36 +0200 | [diff] [blame] | 1284 | |
| 1285 | return iwl_mvm_send_cmd_pdu(mvm, REDUCE_TX_POWER_CMD, 0, len, &cmd); |
Avri Altman | d44c3fe | 2015-04-18 22:16:42 +0300 | [diff] [blame] | 1286 | } |
| 1287 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1288 | static int iwl_mvm_mac_add_interface(struct ieee80211_hw *hw, |
| 1289 | struct ieee80211_vif *vif) |
| 1290 | { |
| 1291 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); |
| 1292 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); |
| 1293 | int ret; |
| 1294 | |
Emmanuel Grumbach | aa5e183 | 2015-03-07 19:35:37 +0200 | [diff] [blame] | 1295 | mvmvif->mvm = mvm; |
| 1296 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1297 | /* |
Gregory Greenman | d40fc48 | 2014-06-25 14:08:50 +0200 | [diff] [blame] | 1298 | * make sure D0i3 exit is completed, otherwise a target access |
| 1299 | * during tx queue configuration could be done when still in |
| 1300 | * D0i3 state. |
| 1301 | */ |
| 1302 | ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_ADD_IF); |
| 1303 | if (ret) |
| 1304 | return ret; |
| 1305 | |
| 1306 | /* |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1307 | * Not much to do here. The stack will not allow interface |
| 1308 | * types or combinations that we didn't advertise, so we |
| 1309 | * don't really have to check the types. |
| 1310 | */ |
| 1311 | |
| 1312 | mutex_lock(&mvm->mutex); |
| 1313 | |
Johannes Berg | 33cef92 | 2015-01-21 21:41:29 +0100 | [diff] [blame] | 1314 | /* make sure that beacon statistics don't go backwards with FW reset */ |
| 1315 | if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) |
| 1316 | mvmvif->beacon_stats.accu_num_beacons += |
| 1317 | mvmvif->beacon_stats.num_beacons; |
| 1318 | |
Eliad Peller | e89044d | 2013-07-16 17:33:26 +0300 | [diff] [blame] | 1319 | /* Allocate resources for the MAC context, and add it to the fw */ |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1320 | ret = iwl_mvm_mac_ctxt_init(mvm, vif); |
| 1321 | if (ret) |
| 1322 | goto out_unlock; |
| 1323 | |
Alexander Bondar | 1c2abf7 | 2013-08-27 20:31:48 +0300 | [diff] [blame] | 1324 | /* Counting number of interfaces is needed for legacy PM */ |
Ilan Peer | ea183d0 | 2013-07-23 14:41:53 +0300 | [diff] [blame] | 1325 | if (vif->type != NL80211_IFTYPE_P2P_DEVICE) |
| 1326 | mvm->vif_count++; |
Ilan Peer | ea183d0 | 2013-07-23 14:41:53 +0300 | [diff] [blame] | 1327 | |
| 1328 | /* |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1329 | * The AP binding flow can be done only after the beacon |
| 1330 | * template is configured (which happens only in the mac80211 |
| 1331 | * start_ap() flow), and adding the broadcast station can happen |
| 1332 | * only after the binding. |
| 1333 | * In addition, since modifying the MAC before adding a bcast |
| 1334 | * station is not allowed by the FW, delay the adding of MAC context to |
| 1335 | * the point where we can also add the bcast station. |
| 1336 | * In short: there's not much we can do at this point, other than |
| 1337 | * allocating resources :) |
| 1338 | */ |
Johannes Berg | 5023d96 | 2013-07-31 14:07:43 +0200 | [diff] [blame] | 1339 | if (vif->type == NL80211_IFTYPE_AP || |
| 1340 | vif->type == NL80211_IFTYPE_ADHOC) { |
Johannes Berg | 013290a | 2014-08-04 13:38:48 +0200 | [diff] [blame] | 1341 | ret = iwl_mvm_alloc_bcast_sta(mvm, vif); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1342 | if (ret) { |
| 1343 | IWL_ERR(mvm, "Failed to allocate bcast sta\n"); |
| 1344 | goto out_release; |
| 1345 | } |
| 1346 | |
Emmanuel Grumbach | 77740cb | 2013-06-26 23:51:41 +0300 | [diff] [blame] | 1347 | iwl_mvm_vif_dbgfs_register(mvm, vif); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1348 | goto out_unlock; |
| 1349 | } |
| 1350 | |
Avri Altman | 93190fb | 2014-12-27 09:09:47 +0200 | [diff] [blame] | 1351 | mvmvif->features |= hw->netdev_features; |
| 1352 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1353 | ret = iwl_mvm_mac_ctxt_add(mvm, vif); |
| 1354 | if (ret) |
| 1355 | goto out_release; |
| 1356 | |
Arik Nemtsov | 999609f | 2014-05-15 17:31:51 +0300 | [diff] [blame] | 1357 | ret = iwl_mvm_power_update_mac(mvm); |
Emmanuel Grumbach | e5e7aa8 | 2014-01-27 16:57:33 +0200 | [diff] [blame] | 1358 | if (ret) |
Luciano Coelho | fd66fc1 | 2015-01-27 15:06:57 +0200 | [diff] [blame] | 1359 | goto out_remove_mac; |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1360 | |
Hila Gonen | 7df15b1 | 2012-12-12 11:16:19 +0200 | [diff] [blame] | 1361 | /* beacon filtering */ |
Emmanuel Grumbach | a102292 | 2014-05-12 11:36:41 +0300 | [diff] [blame] | 1362 | ret = iwl_mvm_disable_beacon_filter(mvm, vif, 0); |
Eliad Peller | bd3351b | 2013-07-16 17:50:17 +0300 | [diff] [blame] | 1363 | if (ret) |
| 1364 | goto out_remove_mac; |
| 1365 | |
Hila Gonen | 7df15b1 | 2012-12-12 11:16:19 +0200 | [diff] [blame] | 1366 | if (!mvm->bf_allowed_vif && |
Emmanuel Grumbach | 73e5f2c | 2014-03-30 08:57:30 +0300 | [diff] [blame] | 1367 | vif->type == NL80211_IFTYPE_STATION && !vif->p2p) { |
Hila Gonen | 7df15b1 | 2012-12-12 11:16:19 +0200 | [diff] [blame] | 1368 | mvm->bf_allowed_vif = mvmvif; |
Andrei Otcheretianski | a20fd39 | 2013-07-21 17:23:59 +0300 | [diff] [blame] | 1369 | vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER | |
| 1370 | IEEE80211_VIF_SUPPORTS_CQM_RSSI; |
Hila Gonen | 7df15b1 | 2012-12-12 11:16:19 +0200 | [diff] [blame] | 1371 | } |
| 1372 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1373 | /* |
| 1374 | * P2P_DEVICE interface does not have a channel context assigned to it, |
| 1375 | * so a dedicated PHY context is allocated to it and the corresponding |
| 1376 | * MAC context is bound to it at this stage. |
| 1377 | */ |
| 1378 | if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1379 | |
Ilan Peer | fe0f2de | 2013-03-21 10:23:52 +0200 | [diff] [blame] | 1380 | mvmvif->phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm); |
| 1381 | if (!mvmvif->phy_ctxt) { |
| 1382 | ret = -ENOSPC; |
Eliad Peller | bd3351b | 2013-07-16 17:50:17 +0300 | [diff] [blame] | 1383 | goto out_free_bf; |
Ilan Peer | fe0f2de | 2013-03-21 10:23:52 +0200 | [diff] [blame] | 1384 | } |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1385 | |
Ilan Peer | 53a9d61 | 2013-04-28 11:55:08 +0300 | [diff] [blame] | 1386 | iwl_mvm_phy_ctxt_ref(mvm, mvmvif->phy_ctxt); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1387 | ret = iwl_mvm_binding_add_vif(mvm, vif); |
| 1388 | if (ret) |
Ilan Peer | 53a9d61 | 2013-04-28 11:55:08 +0300 | [diff] [blame] | 1389 | goto out_unref_phy; |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1390 | |
Johannes Berg | 013290a | 2014-08-04 13:38:48 +0200 | [diff] [blame] | 1391 | ret = iwl_mvm_add_bcast_sta(mvm, vif); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1392 | if (ret) |
| 1393 | goto out_unbind; |
| 1394 | |
| 1395 | /* Save a pointer to p2p device vif, so it can later be used to |
| 1396 | * update the p2p device MAC when a GO is started/stopped */ |
| 1397 | mvm->p2p_device_vif = vif; |
| 1398 | } |
| 1399 | |
Johannes Berg | 6349437 | 2013-03-26 10:47:53 +0100 | [diff] [blame] | 1400 | iwl_mvm_vif_dbgfs_register(mvm, vif); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1401 | goto out_unlock; |
| 1402 | |
| 1403 | out_unbind: |
| 1404 | iwl_mvm_binding_remove_vif(mvm, vif); |
Ilan Peer | 53a9d61 | 2013-04-28 11:55:08 +0300 | [diff] [blame] | 1405 | out_unref_phy: |
Ilan Peer | fe0f2de | 2013-03-21 10:23:52 +0200 | [diff] [blame] | 1406 | iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt); |
Eliad Peller | bd3351b | 2013-07-16 17:50:17 +0300 | [diff] [blame] | 1407 | out_free_bf: |
| 1408 | if (mvm->bf_allowed_vif == mvmvif) { |
| 1409 | mvm->bf_allowed_vif = NULL; |
Andrei Otcheretianski | a20fd39 | 2013-07-21 17:23:59 +0300 | [diff] [blame] | 1410 | vif->driver_flags &= ~(IEEE80211_VIF_BEACON_FILTER | |
| 1411 | IEEE80211_VIF_SUPPORTS_CQM_RSSI); |
Eliad Peller | bd3351b | 2013-07-16 17:50:17 +0300 | [diff] [blame] | 1412 | } |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1413 | out_remove_mac: |
| 1414 | mvmvif->phy_ctxt = NULL; |
| 1415 | iwl_mvm_mac_ctxt_remove(mvm, vif); |
| 1416 | out_release: |
Alexander Bondar | 5ee2b21 | 2013-03-05 10:16:40 +0200 | [diff] [blame] | 1417 | if (vif->type != NL80211_IFTYPE_P2P_DEVICE) |
| 1418 | mvm->vif_count--; |
Alexander Bondar | 1c2abf7 | 2013-08-27 20:31:48 +0300 | [diff] [blame] | 1419 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1420 | iwl_mvm_mac_ctxt_release(mvm, vif); |
| 1421 | out_unlock: |
| 1422 | mutex_unlock(&mvm->mutex); |
| 1423 | |
Gregory Greenman | d40fc48 | 2014-06-25 14:08:50 +0200 | [diff] [blame] | 1424 | iwl_mvm_unref(mvm, IWL_MVM_REF_ADD_IF); |
| 1425 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1426 | return ret; |
| 1427 | } |
| 1428 | |
Johannes Berg | 38a12b5 | 2013-02-22 14:07:56 +0100 | [diff] [blame] | 1429 | static void iwl_mvm_prepare_mac_removal(struct iwl_mvm *mvm, |
| 1430 | struct ieee80211_vif *vif) |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1431 | { |
Arik Nemtsov | d92b732e | 2014-09-21 19:00:42 +0300 | [diff] [blame] | 1432 | u32 tfd_msk = iwl_mvm_mac_get_queues_mask(vif); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1433 | |
| 1434 | if (tfd_msk) { |
Emmanuel Grumbach | fe92e32 | 2015-03-11 09:34:31 +0200 | [diff] [blame] | 1435 | /* |
| 1436 | * mac80211 first removes all the stations of the vif and |
| 1437 | * then removes the vif. When it removes a station it also |
| 1438 | * flushes the AMPDU session. So by now, all the AMPDU sessions |
| 1439 | * of all the stations of this vif are closed, and the queues |
| 1440 | * of these AMPDU sessions are properly closed. |
| 1441 | * We still need to take care of the shared queues of the vif. |
| 1442 | * Flush them here. |
| 1443 | */ |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1444 | mutex_lock(&mvm->mutex); |
Luca Coelho | 5888a40 | 2015-10-06 09:54:57 +0300 | [diff] [blame] | 1445 | iwl_mvm_flush_tx_path(mvm, tfd_msk, 0); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1446 | mutex_unlock(&mvm->mutex); |
Emmanuel Grumbach | fe92e32 | 2015-03-11 09:34:31 +0200 | [diff] [blame] | 1447 | |
| 1448 | /* |
| 1449 | * There are transports that buffer a few frames in the host. |
| 1450 | * For these, the flush above isn't enough since while we were |
| 1451 | * flushing, the transport might have sent more frames to the |
| 1452 | * device. To solve this, wait here until the transport is |
| 1453 | * empty. Technically, this could have replaced the flush |
| 1454 | * above, but flush is much faster than draining. So flush |
| 1455 | * first, and drain to make sure we have no frames in the |
| 1456 | * transport anymore. |
| 1457 | * If a station still had frames on the shared queues, it is |
| 1458 | * already marked as draining, so to complete the draining, we |
| 1459 | * just need to wait until the transport is empty. |
| 1460 | */ |
| 1461 | iwl_trans_wait_tx_queue_empty(mvm->trans, tfd_msk); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1462 | } |
| 1463 | |
| 1464 | if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { |
| 1465 | /* |
| 1466 | * Flush the ROC worker which will flush the OFFCHANNEL queue. |
| 1467 | * We assume here that all the packets sent to the OFFCHANNEL |
| 1468 | * queue are sent in ROC session. |
| 1469 | */ |
| 1470 | flush_work(&mvm->roc_done_wk); |
| 1471 | } else { |
| 1472 | /* |
| 1473 | * By now, all the AC queues are empty. The AGG queues are |
| 1474 | * empty too. We already got all the Tx responses for all the |
| 1475 | * packets in the queues. The drain work can have been |
Emmanuel Grumbach | 0742a75 | 2013-06-10 14:10:33 +0300 | [diff] [blame] | 1476 | * triggered. Flush it. |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1477 | */ |
| 1478 | flush_work(&mvm->sta_drained_wk); |
| 1479 | } |
Johannes Berg | 38a12b5 | 2013-02-22 14:07:56 +0100 | [diff] [blame] | 1480 | } |
| 1481 | |
| 1482 | static void iwl_mvm_mac_remove_interface(struct ieee80211_hw *hw, |
| 1483 | struct ieee80211_vif *vif) |
| 1484 | { |
| 1485 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); |
| 1486 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); |
| 1487 | |
| 1488 | iwl_mvm_prepare_mac_removal(mvm, vif); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1489 | |
| 1490 | mutex_lock(&mvm->mutex); |
| 1491 | |
Hila Gonen | 7df15b1 | 2012-12-12 11:16:19 +0200 | [diff] [blame] | 1492 | if (mvm->bf_allowed_vif == mvmvif) { |
| 1493 | mvm->bf_allowed_vif = NULL; |
Andrei Otcheretianski | a20fd39 | 2013-07-21 17:23:59 +0300 | [diff] [blame] | 1494 | vif->driver_flags &= ~(IEEE80211_VIF_BEACON_FILTER | |
| 1495 | IEEE80211_VIF_SUPPORTS_CQM_RSSI); |
Hila Gonen | 7df15b1 | 2012-12-12 11:16:19 +0200 | [diff] [blame] | 1496 | } |
| 1497 | |
Johannes Berg | 6349437 | 2013-03-26 10:47:53 +0100 | [diff] [blame] | 1498 | iwl_mvm_vif_dbgfs_clean(mvm, vif); |
| 1499 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1500 | /* |
| 1501 | * For AP/GO interface, the tear down of the resources allocated to the |
Johannes Berg | 38a12b5 | 2013-02-22 14:07:56 +0100 | [diff] [blame] | 1502 | * interface is be handled as part of the stop_ap flow. |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1503 | */ |
Johannes Berg | 5023d96 | 2013-07-31 14:07:43 +0200 | [diff] [blame] | 1504 | if (vif->type == NL80211_IFTYPE_AP || |
| 1505 | vif->type == NL80211_IFTYPE_ADHOC) { |
David Spinadel | 507cadf | 2013-07-31 18:07:21 +0300 | [diff] [blame] | 1506 | #ifdef CONFIG_NL80211_TESTMODE |
| 1507 | if (vif == mvm->noa_vif) { |
| 1508 | mvm->noa_vif = NULL; |
| 1509 | mvm->noa_duration = 0; |
| 1510 | } |
| 1511 | #endif |
Johannes Berg | 013290a | 2014-08-04 13:38:48 +0200 | [diff] [blame] | 1512 | iwl_mvm_dealloc_bcast_sta(mvm, vif); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1513 | goto out_release; |
| 1514 | } |
| 1515 | |
| 1516 | if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { |
| 1517 | mvm->p2p_device_vif = NULL; |
Johannes Berg | 013290a | 2014-08-04 13:38:48 +0200 | [diff] [blame] | 1518 | iwl_mvm_rm_bcast_sta(mvm, vif); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1519 | iwl_mvm_binding_remove_vif(mvm, vif); |
Ilan Peer | fe0f2de | 2013-03-21 10:23:52 +0200 | [diff] [blame] | 1520 | iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1521 | mvmvif->phy_ctxt = NULL; |
| 1522 | } |
| 1523 | |
Alexander Bondar | 5ee2b21 | 2013-03-05 10:16:40 +0200 | [diff] [blame] | 1524 | if (mvm->vif_count && vif->type != NL80211_IFTYPE_P2P_DEVICE) |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1525 | mvm->vif_count--; |
Alexander Bondar | 1c2abf7 | 2013-08-27 20:31:48 +0300 | [diff] [blame] | 1526 | |
Arik Nemtsov | 999609f | 2014-05-15 17:31:51 +0300 | [diff] [blame] | 1527 | iwl_mvm_power_update_mac(mvm); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1528 | iwl_mvm_mac_ctxt_remove(mvm, vif); |
| 1529 | |
| 1530 | out_release: |
| 1531 | iwl_mvm_mac_ctxt_release(mvm, vif); |
| 1532 | mutex_unlock(&mvm->mutex); |
| 1533 | } |
| 1534 | |
| 1535 | static int iwl_mvm_mac_config(struct ieee80211_hw *hw, u32 changed) |
| 1536 | { |
| 1537 | return 0; |
| 1538 | } |
| 1539 | |
Eliad Peller | e59647e | 2013-11-28 14:08:50 +0200 | [diff] [blame] | 1540 | struct iwl_mvm_mc_iter_data { |
| 1541 | struct iwl_mvm *mvm; |
| 1542 | int port_id; |
| 1543 | }; |
| 1544 | |
| 1545 | static void iwl_mvm_mc_iface_iterator(void *_data, u8 *mac, |
| 1546 | struct ieee80211_vif *vif) |
| 1547 | { |
| 1548 | struct iwl_mvm_mc_iter_data *data = _data; |
| 1549 | struct iwl_mvm *mvm = data->mvm; |
| 1550 | struct iwl_mcast_filter_cmd *cmd = mvm->mcast_filter_cmd; |
Luca Coelho | f889564 | 2017-09-01 17:59:15 +0300 | [diff] [blame] | 1551 | struct iwl_host_cmd hcmd = { |
| 1552 | .id = MCAST_FILTER_CMD, |
| 1553 | .flags = CMD_ASYNC, |
| 1554 | .dataflags[0] = IWL_HCMD_DFL_NOCOPY, |
| 1555 | }; |
Eliad Peller | e59647e | 2013-11-28 14:08:50 +0200 | [diff] [blame] | 1556 | int ret, len; |
| 1557 | |
| 1558 | /* if we don't have free ports, mcast frames will be dropped */ |
| 1559 | if (WARN_ON_ONCE(data->port_id >= MAX_PORT_ID_NUM)) |
| 1560 | return; |
| 1561 | |
| 1562 | if (vif->type != NL80211_IFTYPE_STATION || |
| 1563 | !vif->bss_conf.assoc) |
| 1564 | return; |
| 1565 | |
| 1566 | cmd->port_id = data->port_id++; |
| 1567 | memcpy(cmd->bssid, vif->bss_conf.bssid, ETH_ALEN); |
| 1568 | len = roundup(sizeof(*cmd) + cmd->count * ETH_ALEN, 4); |
| 1569 | |
Luca Coelho | f889564 | 2017-09-01 17:59:15 +0300 | [diff] [blame] | 1570 | hcmd.len[0] = len; |
| 1571 | hcmd.data[0] = cmd; |
| 1572 | |
| 1573 | ret = iwl_mvm_send_cmd(mvm, &hcmd); |
Eliad Peller | e59647e | 2013-11-28 14:08:50 +0200 | [diff] [blame] | 1574 | if (ret) |
| 1575 | IWL_ERR(mvm, "mcast filter cmd error. ret=%d\n", ret); |
| 1576 | } |
| 1577 | |
| 1578 | static void iwl_mvm_recalc_multicast(struct iwl_mvm *mvm) |
| 1579 | { |
| 1580 | struct iwl_mvm_mc_iter_data iter_data = { |
| 1581 | .mvm = mvm, |
| 1582 | }; |
| 1583 | |
| 1584 | lockdep_assert_held(&mvm->mutex); |
| 1585 | |
| 1586 | if (WARN_ON_ONCE(!mvm->mcast_filter_cmd)) |
| 1587 | return; |
| 1588 | |
Emmanuel Grumbach | 1c4abec | 2014-05-08 09:48:10 +0300 | [diff] [blame] | 1589 | ieee80211_iterate_active_interfaces_atomic( |
Eliad Peller | e59647e | 2013-11-28 14:08:50 +0200 | [diff] [blame] | 1590 | mvm->hw, IEEE80211_IFACE_ITER_NORMAL, |
| 1591 | iwl_mvm_mc_iface_iterator, &iter_data); |
| 1592 | } |
| 1593 | |
| 1594 | static u64 iwl_mvm_prepare_multicast(struct ieee80211_hw *hw, |
| 1595 | struct netdev_hw_addr_list *mc_list) |
| 1596 | { |
| 1597 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); |
| 1598 | struct iwl_mcast_filter_cmd *cmd; |
| 1599 | struct netdev_hw_addr *addr; |
Max Stepanov | f3bd58f | 2014-08-04 13:55:01 +0300 | [diff] [blame] | 1600 | int addr_count; |
| 1601 | bool pass_all; |
Eliad Peller | e59647e | 2013-11-28 14:08:50 +0200 | [diff] [blame] | 1602 | int len; |
| 1603 | |
Max Stepanov | f3bd58f | 2014-08-04 13:55:01 +0300 | [diff] [blame] | 1604 | addr_count = netdev_hw_addr_list_count(mc_list); |
| 1605 | pass_all = addr_count > MAX_MCAST_FILTERING_ADDRESSES || |
| 1606 | IWL_MVM_FW_MCAST_FILTER_PASS_ALL; |
| 1607 | if (pass_all) |
Eliad Peller | e59647e | 2013-11-28 14:08:50 +0200 | [diff] [blame] | 1608 | addr_count = 0; |
Eliad Peller | e59647e | 2013-11-28 14:08:50 +0200 | [diff] [blame] | 1609 | |
| 1610 | len = roundup(sizeof(*cmd) + addr_count * ETH_ALEN, 4); |
| 1611 | cmd = kzalloc(len, GFP_ATOMIC); |
| 1612 | if (!cmd) |
| 1613 | return 0; |
| 1614 | |
| 1615 | if (pass_all) { |
| 1616 | cmd->pass_all = 1; |
| 1617 | return (u64)(unsigned long)cmd; |
| 1618 | } |
| 1619 | |
| 1620 | netdev_hw_addr_list_for_each(addr, mc_list) { |
| 1621 | IWL_DEBUG_MAC80211(mvm, "mcast addr (%d): %pM\n", |
| 1622 | cmd->count, addr->addr); |
| 1623 | memcpy(&cmd->addr_list[cmd->count * ETH_ALEN], |
| 1624 | addr->addr, ETH_ALEN); |
| 1625 | cmd->count++; |
| 1626 | } |
| 1627 | |
| 1628 | return (u64)(unsigned long)cmd; |
| 1629 | } |
| 1630 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1631 | static void iwl_mvm_configure_filter(struct ieee80211_hw *hw, |
| 1632 | unsigned int changed_flags, |
| 1633 | unsigned int *total_flags, |
| 1634 | u64 multicast) |
| 1635 | { |
Eliad Peller | e59647e | 2013-11-28 14:08:50 +0200 | [diff] [blame] | 1636 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); |
| 1637 | struct iwl_mcast_filter_cmd *cmd = (void *)(unsigned long)multicast; |
| 1638 | |
| 1639 | mutex_lock(&mvm->mutex); |
| 1640 | |
| 1641 | /* replace previous configuration */ |
| 1642 | kfree(mvm->mcast_filter_cmd); |
| 1643 | mvm->mcast_filter_cmd = cmd; |
| 1644 | |
| 1645 | if (!cmd) |
| 1646 | goto out; |
| 1647 | |
| 1648 | iwl_mvm_recalc_multicast(mvm); |
| 1649 | out: |
| 1650 | mutex_unlock(&mvm->mutex); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1651 | *total_flags = 0; |
| 1652 | } |
| 1653 | |
Andrei Otcheretianski | effd192 | 2015-06-30 12:08:28 +0300 | [diff] [blame] | 1654 | static void iwl_mvm_config_iface_filter(struct ieee80211_hw *hw, |
| 1655 | struct ieee80211_vif *vif, |
| 1656 | unsigned int filter_flags, |
| 1657 | unsigned int changed_flags) |
| 1658 | { |
| 1659 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); |
| 1660 | |
| 1661 | /* We support only filter for probe requests */ |
| 1662 | if (!(changed_flags & FIF_PROBE_REQ)) |
| 1663 | return; |
| 1664 | |
| 1665 | /* Supported only for p2p client interfaces */ |
| 1666 | if (vif->type != NL80211_IFTYPE_STATION || !vif->bss_conf.assoc || |
| 1667 | !vif->p2p) |
| 1668 | return; |
| 1669 | |
| 1670 | mutex_lock(&mvm->mutex); |
| 1671 | iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); |
| 1672 | mutex_unlock(&mvm->mutex); |
| 1673 | } |
| 1674 | |
Eliad Peller | c87163b | 2014-01-08 10:11:11 +0200 | [diff] [blame] | 1675 | #ifdef CONFIG_IWLWIFI_BCAST_FILTERING |
| 1676 | struct iwl_bcast_iter_data { |
| 1677 | struct iwl_mvm *mvm; |
| 1678 | struct iwl_bcast_filter_cmd *cmd; |
| 1679 | u8 current_filter; |
| 1680 | }; |
| 1681 | |
| 1682 | static void |
| 1683 | iwl_mvm_set_bcast_filter(struct ieee80211_vif *vif, |
| 1684 | const struct iwl_fw_bcast_filter *in_filter, |
| 1685 | struct iwl_fw_bcast_filter *out_filter) |
| 1686 | { |
| 1687 | struct iwl_fw_bcast_filter_attr *attr; |
| 1688 | int i; |
| 1689 | |
| 1690 | memcpy(out_filter, in_filter, sizeof(*out_filter)); |
| 1691 | |
| 1692 | for (i = 0; i < ARRAY_SIZE(out_filter->attrs); i++) { |
| 1693 | attr = &out_filter->attrs[i]; |
| 1694 | |
| 1695 | if (!attr->mask) |
| 1696 | break; |
| 1697 | |
Eliad Peller | 2ee8f02 | 2014-01-13 19:07:09 +0200 | [diff] [blame] | 1698 | switch (attr->reserved1) { |
| 1699 | case cpu_to_le16(BC_FILTER_MAGIC_IP): |
| 1700 | if (vif->bss_conf.arp_addr_cnt != 1) { |
| 1701 | attr->mask = 0; |
| 1702 | continue; |
| 1703 | } |
| 1704 | |
| 1705 | attr->val = vif->bss_conf.arp_addr_list[0]; |
| 1706 | break; |
| 1707 | case cpu_to_le16(BC_FILTER_MAGIC_MAC): |
| 1708 | attr->val = *(__be32 *)&vif->addr[2]; |
| 1709 | break; |
| 1710 | default: |
| 1711 | break; |
| 1712 | } |
| 1713 | attr->reserved1 = 0; |
Eliad Peller | c87163b | 2014-01-08 10:11:11 +0200 | [diff] [blame] | 1714 | out_filter->num_attrs++; |
| 1715 | } |
| 1716 | } |
| 1717 | |
| 1718 | static void iwl_mvm_bcast_filter_iterator(void *_data, u8 *mac, |
| 1719 | struct ieee80211_vif *vif) |
| 1720 | { |
| 1721 | struct iwl_bcast_iter_data *data = _data; |
| 1722 | struct iwl_mvm *mvm = data->mvm; |
| 1723 | struct iwl_bcast_filter_cmd *cmd = data->cmd; |
| 1724 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); |
| 1725 | struct iwl_fw_bcast_mac *bcast_mac; |
| 1726 | int i; |
| 1727 | |
| 1728 | if (WARN_ON(mvmvif->id >= ARRAY_SIZE(cmd->macs))) |
| 1729 | return; |
| 1730 | |
| 1731 | bcast_mac = &cmd->macs[mvmvif->id]; |
| 1732 | |
Ilan Peer | e48393e | 2014-05-22 11:19:02 +0300 | [diff] [blame] | 1733 | /* |
| 1734 | * enable filtering only for associated stations, but not for P2P |
| 1735 | * Clients |
| 1736 | */ |
| 1737 | if (vif->type != NL80211_IFTYPE_STATION || vif->p2p || |
| 1738 | !vif->bss_conf.assoc) |
Eliad Peller | c87163b | 2014-01-08 10:11:11 +0200 | [diff] [blame] | 1739 | return; |
| 1740 | |
| 1741 | bcast_mac->default_discard = 1; |
| 1742 | |
| 1743 | /* copy all configured filters */ |
| 1744 | for (i = 0; mvm->bcast_filters[i].attrs[0].mask; i++) { |
| 1745 | /* |
| 1746 | * Make sure we don't exceed our filters limit. |
| 1747 | * if there is still a valid filter to be configured, |
| 1748 | * be on the safe side and just allow bcast for this mac. |
| 1749 | */ |
| 1750 | if (WARN_ON_ONCE(data->current_filter >= |
| 1751 | ARRAY_SIZE(cmd->filters))) { |
| 1752 | bcast_mac->default_discard = 0; |
| 1753 | bcast_mac->attached_filters = 0; |
| 1754 | break; |
| 1755 | } |
| 1756 | |
| 1757 | iwl_mvm_set_bcast_filter(vif, |
| 1758 | &mvm->bcast_filters[i], |
| 1759 | &cmd->filters[data->current_filter]); |
| 1760 | |
| 1761 | /* skip current filter if it contains no attributes */ |
| 1762 | if (!cmd->filters[data->current_filter].num_attrs) |
| 1763 | continue; |
| 1764 | |
| 1765 | /* attach the filter to current mac */ |
| 1766 | bcast_mac->attached_filters |= |
| 1767 | cpu_to_le16(BIT(data->current_filter)); |
| 1768 | |
| 1769 | data->current_filter++; |
| 1770 | } |
| 1771 | } |
| 1772 | |
Eliad Peller | de06a59 | 2014-01-08 10:11:12 +0200 | [diff] [blame] | 1773 | bool iwl_mvm_bcast_filter_build_cmd(struct iwl_mvm *mvm, |
| 1774 | struct iwl_bcast_filter_cmd *cmd) |
Eliad Peller | c87163b | 2014-01-08 10:11:11 +0200 | [diff] [blame] | 1775 | { |
Eliad Peller | c87163b | 2014-01-08 10:11:11 +0200 | [diff] [blame] | 1776 | struct iwl_bcast_iter_data iter_data = { |
| 1777 | .mvm = mvm, |
Eliad Peller | de06a59 | 2014-01-08 10:11:12 +0200 | [diff] [blame] | 1778 | .cmd = cmd, |
Eliad Peller | c87163b | 2014-01-08 10:11:11 +0200 | [diff] [blame] | 1779 | }; |
| 1780 | |
Max Stepanov | 3b8983b | 2014-10-15 11:27:16 +0300 | [diff] [blame] | 1781 | if (IWL_MVM_FW_BCAST_FILTER_PASS_ALL) |
| 1782 | return false; |
| 1783 | |
Eliad Peller | de06a59 | 2014-01-08 10:11:12 +0200 | [diff] [blame] | 1784 | memset(cmd, 0, sizeof(*cmd)); |
| 1785 | cmd->max_bcast_filters = ARRAY_SIZE(cmd->filters); |
| 1786 | cmd->max_macs = ARRAY_SIZE(cmd->macs); |
| 1787 | |
| 1788 | #ifdef CONFIG_IWLWIFI_DEBUGFS |
| 1789 | /* use debugfs filters/macs if override is configured */ |
| 1790 | if (mvm->dbgfs_bcast_filtering.override) { |
| 1791 | memcpy(cmd->filters, &mvm->dbgfs_bcast_filtering.cmd.filters, |
| 1792 | sizeof(cmd->filters)); |
| 1793 | memcpy(cmd->macs, &mvm->dbgfs_bcast_filtering.cmd.macs, |
| 1794 | sizeof(cmd->macs)); |
| 1795 | return true; |
| 1796 | } |
| 1797 | #endif |
Eliad Peller | c87163b | 2014-01-08 10:11:11 +0200 | [diff] [blame] | 1798 | |
| 1799 | /* if no filters are configured, do nothing */ |
| 1800 | if (!mvm->bcast_filters) |
Eliad Peller | de06a59 | 2014-01-08 10:11:12 +0200 | [diff] [blame] | 1801 | return false; |
Eliad Peller | c87163b | 2014-01-08 10:11:11 +0200 | [diff] [blame] | 1802 | |
| 1803 | /* configure and attach these filters for each associated sta vif */ |
| 1804 | ieee80211_iterate_active_interfaces( |
| 1805 | mvm->hw, IEEE80211_IFACE_ITER_NORMAL, |
| 1806 | iwl_mvm_bcast_filter_iterator, &iter_data); |
| 1807 | |
Eliad Peller | de06a59 | 2014-01-08 10:11:12 +0200 | [diff] [blame] | 1808 | return true; |
| 1809 | } |
Eliad Peller | 34672bb | 2015-12-03 16:10:07 +0200 | [diff] [blame] | 1810 | |
| 1811 | static int iwl_mvm_configure_bcast_filter(struct iwl_mvm *mvm) |
Eliad Peller | de06a59 | 2014-01-08 10:11:12 +0200 | [diff] [blame] | 1812 | { |
| 1813 | struct iwl_bcast_filter_cmd cmd; |
| 1814 | |
| 1815 | if (!(mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_BCAST_FILTERING)) |
| 1816 | return 0; |
| 1817 | |
| 1818 | if (!iwl_mvm_bcast_filter_build_cmd(mvm, &cmd)) |
| 1819 | return 0; |
| 1820 | |
Emmanuel Grumbach | a102292 | 2014-05-12 11:36:41 +0300 | [diff] [blame] | 1821 | return iwl_mvm_send_cmd_pdu(mvm, BCAST_FILTER_CMD, 0, |
Eliad Peller | c87163b | 2014-01-08 10:11:11 +0200 | [diff] [blame] | 1822 | sizeof(cmd), &cmd); |
| 1823 | } |
| 1824 | #else |
Eliad Peller | 34672bb | 2015-12-03 16:10:07 +0200 | [diff] [blame] | 1825 | static inline int iwl_mvm_configure_bcast_filter(struct iwl_mvm *mvm) |
Eliad Peller | c87163b | 2014-01-08 10:11:11 +0200 | [diff] [blame] | 1826 | { |
| 1827 | return 0; |
| 1828 | } |
| 1829 | #endif |
| 1830 | |
Sara Sharon | a07a8f3 | 2015-11-15 11:11:59 +0200 | [diff] [blame] | 1831 | static int iwl_mvm_update_mu_groups(struct iwl_mvm *mvm, |
| 1832 | struct ieee80211_vif *vif) |
| 1833 | { |
| 1834 | struct iwl_mu_group_mgmt_cmd cmd = {}; |
| 1835 | |
| 1836 | memcpy(cmd.membership_status, vif->bss_conf.mu_group.membership, |
| 1837 | WLAN_MEMBERSHIP_LEN); |
| 1838 | memcpy(cmd.user_position, vif->bss_conf.mu_group.position, |
| 1839 | WLAN_USER_POSITION_LEN); |
| 1840 | |
| 1841 | return iwl_mvm_send_cmd_pdu(mvm, |
| 1842 | WIDE_ID(DATA_PATH_GROUP, |
| 1843 | UPDATE_MU_GROUPS_CMD), |
| 1844 | 0, sizeof(cmd), &cmd); |
| 1845 | } |
| 1846 | |
Sara Sharon | f92659a | 2016-02-03 15:04:49 +0200 | [diff] [blame] | 1847 | static void iwl_mvm_mu_mimo_iface_iterator(void *_data, u8 *mac, |
| 1848 | struct ieee80211_vif *vif) |
| 1849 | { |
| 1850 | if (vif->mu_mimo_owner) { |
| 1851 | struct iwl_mu_group_mgmt_notif *notif = _data; |
| 1852 | |
| 1853 | /* |
| 1854 | * MU-MIMO Group Id action frame is little endian. We treat |
| 1855 | * the data received from firmware as if it came from the |
| 1856 | * action frame, so no conversion is needed. |
| 1857 | */ |
| 1858 | ieee80211_update_mu_groups(vif, |
| 1859 | (u8 *)¬if->membership_status, |
| 1860 | (u8 *)¬if->user_position); |
| 1861 | } |
| 1862 | } |
| 1863 | |
| 1864 | void iwl_mvm_mu_mimo_grp_notif(struct iwl_mvm *mvm, |
| 1865 | struct iwl_rx_cmd_buffer *rxb) |
| 1866 | { |
| 1867 | struct iwl_rx_packet *pkt = rxb_addr(rxb); |
| 1868 | struct iwl_mu_group_mgmt_notif *notif = (void *)pkt->data; |
| 1869 | |
| 1870 | ieee80211_iterate_active_interfaces_atomic( |
| 1871 | mvm->hw, IEEE80211_IFACE_ITER_NORMAL, |
| 1872 | iwl_mvm_mu_mimo_iface_iterator, notif); |
| 1873 | } |
| 1874 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1875 | static void iwl_mvm_bss_info_changed_station(struct iwl_mvm *mvm, |
| 1876 | struct ieee80211_vif *vif, |
| 1877 | struct ieee80211_bss_conf *bss_conf, |
| 1878 | u32 changes) |
| 1879 | { |
| 1880 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); |
| 1881 | int ret; |
| 1882 | |
Ilan Peer | 6e97b0d | 2013-12-23 22:18:02 +0200 | [diff] [blame] | 1883 | /* |
| 1884 | * Re-calculate the tsf id, as the master-slave relations depend on the |
| 1885 | * beacon interval, which was not known when the station interface was |
| 1886 | * added. |
| 1887 | */ |
| 1888 | if (changes & BSS_CHANGED_ASSOC && bss_conf->assoc) |
| 1889 | iwl_mvm_mac_ctxt_recalc_tsf_id(mvm, vif); |
| 1890 | |
Aviya Erenfeld | 0309826 | 2016-02-18 14:09:33 +0200 | [diff] [blame] | 1891 | if (changes & BSS_CHANGED_ASSOC && !bss_conf->assoc && |
| 1892 | mvmvif->lqm_active) |
| 1893 | iwl_mvm_send_lqm_cmd(vif, LQM_CMD_OPERATION_STOP_MEASUREMENT, |
| 1894 | 0, 0); |
| 1895 | |
Johannes Berg | 3dfd3a9 | 2014-08-11 21:37:30 +0200 | [diff] [blame] | 1896 | /* |
| 1897 | * If we're not associated yet, take the (new) BSSID before associating |
| 1898 | * so the firmware knows. If we're already associated, then use the old |
| 1899 | * BSSID here, and we'll send a cleared one later in the CHANGED_ASSOC |
| 1900 | * branch for disassociation below. |
| 1901 | */ |
| 1902 | if (changes & BSS_CHANGED_BSSID && !mvmvif->associated) |
| 1903 | memcpy(mvmvif->bssid, bss_conf->bssid, ETH_ALEN); |
| 1904 | |
| 1905 | ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, mvmvif->bssid); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1906 | if (ret) |
| 1907 | IWL_ERR(mvm, "failed to update MAC %pM\n", vif->addr); |
| 1908 | |
Johannes Berg | 3dfd3a9 | 2014-08-11 21:37:30 +0200 | [diff] [blame] | 1909 | /* after sending it once, adopt mac80211 data */ |
| 1910 | memcpy(mvmvif->bssid, bss_conf->bssid, ETH_ALEN); |
| 1911 | mvmvif->associated = bss_conf->assoc; |
| 1912 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1913 | if (changes & BSS_CHANGED_ASSOC) { |
| 1914 | if (bss_conf->assoc) { |
Johannes Berg | 33cef92 | 2015-01-21 21:41:29 +0100 | [diff] [blame] | 1915 | /* clear statistics to get clean beacon counter */ |
| 1916 | iwl_mvm_request_statistics(mvm, true); |
| 1917 | memset(&mvmvif->beacon_stats, 0, |
| 1918 | sizeof(mvmvif->beacon_stats)); |
| 1919 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1920 | /* add quota for this interface */ |
Emmanuel Grumbach | 7754ae7 | 2015-02-26 15:14:35 +0200 | [diff] [blame] | 1921 | ret = iwl_mvm_update_quotas(mvm, true, NULL); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1922 | if (ret) { |
| 1923 | IWL_ERR(mvm, "failed to update quotas\n"); |
| 1924 | return; |
| 1925 | } |
Johannes Berg | 016d27e | 2013-05-03 11:16:15 +0200 | [diff] [blame] | 1926 | |
| 1927 | if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, |
| 1928 | &mvm->status)) { |
| 1929 | /* |
| 1930 | * If we're restarting then the firmware will |
| 1931 | * obviously have lost synchronisation with |
| 1932 | * the AP. It will attempt to synchronise by |
| 1933 | * itself, but we can make it more reliable by |
| 1934 | * scheduling a session protection time event. |
| 1935 | * |
| 1936 | * The firmware needs to receive a beacon to |
| 1937 | * catch up with synchronisation, use 110% of |
| 1938 | * the beacon interval. |
| 1939 | * |
| 1940 | * Set a large maximum delay to allow for more |
| 1941 | * than a single interface. |
| 1942 | */ |
| 1943 | u32 dur = (11 * vif->bss_conf.beacon_int) / 10; |
| 1944 | iwl_mvm_protect_session(mvm, vif, dur, dur, |
Liad Kaufman | d20d37b | 2014-07-06 17:14:39 +0300 | [diff] [blame] | 1945 | 5 * dur, false); |
Johannes Berg | 016d27e | 2013-05-03 11:16:15 +0200 | [diff] [blame] | 1946 | } |
Lilach Edelstein | 1f3b0ff | 2013-10-06 13:03:32 +0200 | [diff] [blame] | 1947 | |
| 1948 | iwl_mvm_sf_update(mvm, vif, false); |
Alexander Bondar | 175a70b | 2013-04-14 20:59:37 +0300 | [diff] [blame] | 1949 | iwl_mvm_power_vif_assoc(mvm, vif); |
Emmanuel Grumbach | 697162a | 2014-07-30 15:56:42 +0300 | [diff] [blame] | 1950 | if (vif->p2p) { |
Eliad Peller | 29a90a4 | 2013-11-05 14:06:29 +0200 | [diff] [blame] | 1951 | iwl_mvm_ref(mvm, IWL_MVM_REF_P2P_CLIENT); |
Emmanuel Grumbach | 697162a | 2014-07-30 15:56:42 +0300 | [diff] [blame] | 1952 | iwl_mvm_update_smps(mvm, vif, |
| 1953 | IWL_MVM_SMPS_REQ_PROT, |
| 1954 | IEEE80211_SMPS_DYNAMIC); |
| 1955 | } |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1956 | } else if (mvmvif->ap_sta_id != IWL_MVM_STATION_COUNT) { |
Lilach Edelstein | 1f3b0ff | 2013-10-06 13:03:32 +0200 | [diff] [blame] | 1957 | /* |
| 1958 | * If update fails - SF might be running in associated |
| 1959 | * mode while disassociated - which is forbidden. |
| 1960 | */ |
| 1961 | WARN_ONCE(iwl_mvm_sf_update(mvm, vif, false), |
| 1962 | "Failed to update SF upon disassociation\n"); |
| 1963 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1964 | /* remove AP station now that the MAC is unassoc */ |
| 1965 | ret = iwl_mvm_rm_sta_id(mvm, vif, mvmvif->ap_sta_id); |
| 1966 | if (ret) |
| 1967 | IWL_ERR(mvm, "failed to remove AP station\n"); |
Eliad Peller | 37577fe | 2013-12-05 17:19:39 +0200 | [diff] [blame] | 1968 | |
| 1969 | if (mvm->d0i3_ap_sta_id == mvmvif->ap_sta_id) |
| 1970 | mvm->d0i3_ap_sta_id = IWL_MVM_STATION_COUNT; |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1971 | mvmvif->ap_sta_id = IWL_MVM_STATION_COUNT; |
| 1972 | /* remove quota for this interface */ |
Emmanuel Grumbach | 7754ae7 | 2015-02-26 15:14:35 +0200 | [diff] [blame] | 1973 | ret = iwl_mvm_update_quotas(mvm, false, NULL); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1974 | if (ret) |
| 1975 | IWL_ERR(mvm, "failed to update quotas\n"); |
Eliad Peller | 29a90a4 | 2013-11-05 14:06:29 +0200 | [diff] [blame] | 1976 | |
| 1977 | if (vif->p2p) |
| 1978 | iwl_mvm_unref(mvm, IWL_MVM_REF_P2P_CLIENT); |
Johannes Berg | 3dfd3a9 | 2014-08-11 21:37:30 +0200 | [diff] [blame] | 1979 | |
| 1980 | /* this will take the cleared BSSID from bss_conf */ |
| 1981 | ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); |
| 1982 | if (ret) |
| 1983 | IWL_ERR(mvm, |
| 1984 | "failed to update MAC %pM (clear after unassoc)\n", |
| 1985 | vif->addr); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1986 | } |
Andrei Otcheretianski | a20fd39 | 2013-07-21 17:23:59 +0300 | [diff] [blame] | 1987 | |
Sara Sharon | a07a8f3 | 2015-11-15 11:11:59 +0200 | [diff] [blame] | 1988 | /* |
| 1989 | * The firmware tracks the MU-MIMO group on its own. |
Sara Sharon | f92659a | 2016-02-03 15:04:49 +0200 | [diff] [blame] | 1990 | * However, on HW restart we should restore this data. |
Sara Sharon | a07a8f3 | 2015-11-15 11:11:59 +0200 | [diff] [blame] | 1991 | */ |
| 1992 | if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) && |
Sara Sharon | f92659a | 2016-02-03 15:04:49 +0200 | [diff] [blame] | 1993 | (changes & BSS_CHANGED_MU_GROUPS) && vif->mu_mimo_owner) { |
Sara Sharon | a07a8f3 | 2015-11-15 11:11:59 +0200 | [diff] [blame] | 1994 | ret = iwl_mvm_update_mu_groups(mvm, vif); |
| 1995 | if (ret) |
| 1996 | IWL_ERR(mvm, |
| 1997 | "failed to update VHT MU_MIMO groups\n"); |
| 1998 | } |
| 1999 | |
Eliad Peller | e59647e | 2013-11-28 14:08:50 +0200 | [diff] [blame] | 2000 | iwl_mvm_recalc_multicast(mvm); |
Eliad Peller | 34672bb | 2015-12-03 16:10:07 +0200 | [diff] [blame] | 2001 | iwl_mvm_configure_bcast_filter(mvm); |
Eliad Peller | e59647e | 2013-11-28 14:08:50 +0200 | [diff] [blame] | 2002 | |
Andrei Otcheretianski | a20fd39 | 2013-07-21 17:23:59 +0300 | [diff] [blame] | 2003 | /* reset rssi values */ |
| 2004 | mvmvif->bf_data.ave_beacon_signal = 0; |
| 2005 | |
Emmanuel Grumbach | 8e484f0 | 2013-10-02 15:02:25 +0300 | [diff] [blame] | 2006 | iwl_mvm_bt_coex_vif_change(mvm); |
Emmanuel Grumbach | f94045e | 2014-01-06 13:38:55 +0200 | [diff] [blame] | 2007 | iwl_mvm_update_smps(mvm, vif, IWL_MVM_SMPS_REQ_TT, |
| 2008 | IEEE80211_SMPS_AUTOMATIC); |
Avraham Stern | 355346b | 2015-11-26 11:22:33 +0200 | [diff] [blame] | 2009 | if (fw_has_capa(&mvm->fw->ucode_capa, |
| 2010 | IWL_UCODE_TLV_CAPA_UMAC_SCAN)) |
| 2011 | iwl_mvm_config_scan(mvm); |
Alexander Bondar | 989c650 | 2013-05-16 17:34:17 +0300 | [diff] [blame] | 2012 | } else if (changes & BSS_CHANGED_BEACON_INFO) { |
Johannes Berg | 210a544 | 2013-01-24 23:48:23 +0100 | [diff] [blame] | 2013 | /* |
| 2014 | * We received a beacon _after_ association so |
| 2015 | * remove the session protection. |
| 2016 | */ |
| 2017 | iwl_mvm_remove_time_event(mvm, mvmvif, |
| 2018 | &mvmvif->time_event_data); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2019 | } |
Eran Harary | cc87d32 | 2014-07-15 14:04:23 +0300 | [diff] [blame] | 2020 | |
| 2021 | if (changes & BSS_CHANGED_BEACON_INFO) { |
| 2022 | iwl_mvm_sf_update(mvm, vif, false); |
| 2023 | WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif, 0)); |
| 2024 | } |
| 2025 | |
Avri Altman | 283115f | 2016-01-24 22:16:08 +0200 | [diff] [blame] | 2026 | if (changes & (BSS_CHANGED_PS | BSS_CHANGED_P2P_PS | BSS_CHANGED_QOS | |
| 2027 | /* |
| 2028 | * Send power command on every beacon change, |
| 2029 | * because we may have not enabled beacon abort yet. |
| 2030 | */ |
| 2031 | BSS_CHANGED_BEACON_INFO)) { |
Johannes Berg | 1bc10d3 | 2014-08-26 14:25:46 +0200 | [diff] [blame] | 2032 | ret = iwl_mvm_power_update_mac(mvm); |
| 2033 | if (ret) |
| 2034 | IWL_ERR(mvm, "failed to update power mode\n"); |
| 2035 | } |
| 2036 | |
Matti Gottlieb | 88f2fd7 | 2013-07-09 15:25:46 +0300 | [diff] [blame] | 2037 | if (changes & BSS_CHANGED_TXPOWER) { |
| 2038 | IWL_DEBUG_CALIB(mvm, "Changing TX Power to %d\n", |
| 2039 | bss_conf->txpower); |
| 2040 | iwl_mvm_set_tx_power(mvm, vif, bss_conf->txpower); |
| 2041 | } |
Andrei Otcheretianski | a20fd39 | 2013-07-21 17:23:59 +0300 | [diff] [blame] | 2042 | |
| 2043 | if (changes & BSS_CHANGED_CQM) { |
Johannes Berg | 3c6acb6 | 2014-05-07 11:47:53 +0200 | [diff] [blame] | 2044 | IWL_DEBUG_MAC80211(mvm, "cqm info_changed\n"); |
Andrei Otcheretianski | a20fd39 | 2013-07-21 17:23:59 +0300 | [diff] [blame] | 2045 | /* reset cqm events tracking */ |
| 2046 | mvmvif->bf_data.last_cqm_event = 0; |
Avri Altman | fa7b2e7 | 2014-05-20 08:03:24 +0300 | [diff] [blame] | 2047 | if (mvmvif->bf_data.bf_enabled) { |
| 2048 | ret = iwl_mvm_enable_beacon_filter(mvm, vif, 0); |
| 2049 | if (ret) |
| 2050 | IWL_ERR(mvm, |
| 2051 | "failed to update CQM thresholds\n"); |
| 2052 | } |
Andrei Otcheretianski | a20fd39 | 2013-07-21 17:23:59 +0300 | [diff] [blame] | 2053 | } |
Eliad Peller | 2ee8f02 | 2014-01-13 19:07:09 +0200 | [diff] [blame] | 2054 | |
| 2055 | if (changes & BSS_CHANGED_ARP_FILTER) { |
Johannes Berg | 3c6acb6 | 2014-05-07 11:47:53 +0200 | [diff] [blame] | 2056 | IWL_DEBUG_MAC80211(mvm, "arp filter changed\n"); |
Eliad Peller | 34672bb | 2015-12-03 16:10:07 +0200 | [diff] [blame] | 2057 | iwl_mvm_configure_bcast_filter(mvm); |
Eliad Peller | 2ee8f02 | 2014-01-13 19:07:09 +0200 | [diff] [blame] | 2058 | } |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2059 | } |
| 2060 | |
Johannes Berg | 5023d96 | 2013-07-31 14:07:43 +0200 | [diff] [blame] | 2061 | static int iwl_mvm_start_ap_ibss(struct ieee80211_hw *hw, |
| 2062 | struct ieee80211_vif *vif) |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2063 | { |
| 2064 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); |
| 2065 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); |
| 2066 | int ret; |
| 2067 | |
Eliad Peller | 576eeee | 2014-07-01 18:38:38 +0300 | [diff] [blame] | 2068 | /* |
| 2069 | * iwl_mvm_mac_ctxt_add() might read directly from the device |
| 2070 | * (the system time), so make sure it is available. |
| 2071 | */ |
| 2072 | ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_START_AP); |
| 2073 | if (ret) |
| 2074 | return ret; |
| 2075 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2076 | mutex_lock(&mvm->mutex); |
| 2077 | |
| 2078 | /* Send the beacon template */ |
| 2079 | ret = iwl_mvm_mac_ctxt_beacon_changed(mvm, vif); |
| 2080 | if (ret) |
| 2081 | goto out_unlock; |
| 2082 | |
Ilan Peer | 6e97b0d | 2013-12-23 22:18:02 +0200 | [diff] [blame] | 2083 | /* |
| 2084 | * Re-calculate the tsf id, as the master-slave relations depend on the |
| 2085 | * beacon interval, which was not known when the AP interface was added. |
| 2086 | */ |
| 2087 | if (vif->type == NL80211_IFTYPE_AP) |
| 2088 | iwl_mvm_mac_ctxt_recalc_tsf_id(mvm, vif); |
| 2089 | |
Gregory Greenman | 9493908 | 2015-08-24 14:38:35 +0300 | [diff] [blame] | 2090 | mvmvif->ap_assoc_sta_count = 0; |
| 2091 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2092 | /* Add the mac context */ |
| 2093 | ret = iwl_mvm_mac_ctxt_add(mvm, vif); |
| 2094 | if (ret) |
| 2095 | goto out_unlock; |
| 2096 | |
| 2097 | /* Perform the binding */ |
| 2098 | ret = iwl_mvm_binding_add_vif(mvm, vif); |
| 2099 | if (ret) |
| 2100 | goto out_remove; |
| 2101 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2102 | /* Send the bcast station. At this stage the TBTT and DTIM time events |
| 2103 | * are added and applied to the scheduler */ |
Johannes Berg | 013290a | 2014-08-04 13:38:48 +0200 | [diff] [blame] | 2104 | ret = iwl_mvm_send_add_bcast_sta(mvm, vif); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2105 | if (ret) |
| 2106 | goto out_unbind; |
| 2107 | |
Ilan Peer | 5691e21 | 2013-12-31 21:05:50 +0200 | [diff] [blame] | 2108 | /* must be set before quota calculations */ |
| 2109 | mvmvif->ap_ibss_active = true; |
| 2110 | |
Ilan Peer | a11e144 | 2013-12-31 21:19:55 +0200 | [diff] [blame] | 2111 | /* power updated needs to be done before quotas */ |
Arik Nemtsov | 999609f | 2014-05-15 17:31:51 +0300 | [diff] [blame] | 2112 | iwl_mvm_power_update_mac(mvm); |
Ilan Peer | a11e144 | 2013-12-31 21:19:55 +0200 | [diff] [blame] | 2113 | |
Emmanuel Grumbach | 7754ae7 | 2015-02-26 15:14:35 +0200 | [diff] [blame] | 2114 | ret = iwl_mvm_update_quotas(mvm, false, NULL); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2115 | if (ret) |
Ilan Peer | a11e144 | 2013-12-31 21:19:55 +0200 | [diff] [blame] | 2116 | goto out_quota_failed; |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2117 | |
Johannes Berg | 5023d96 | 2013-07-31 14:07:43 +0200 | [diff] [blame] | 2118 | /* Need to update the P2P Device MAC (only GO, IBSS is single vif) */ |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2119 | if (vif->p2p && mvm->p2p_device_vif) |
Johannes Berg | 3dfd3a9 | 2014-08-11 21:37:30 +0200 | [diff] [blame] | 2120 | iwl_mvm_mac_ctxt_changed(mvm, mvm->p2p_device_vif, false, NULL); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2121 | |
Eliad Peller | 29a90a4 | 2013-11-05 14:06:29 +0200 | [diff] [blame] | 2122 | iwl_mvm_ref(mvm, IWL_MVM_REF_AP_IBSS); |
| 2123 | |
Emmanuel Grumbach | 8e484f0 | 2013-10-02 15:02:25 +0300 | [diff] [blame] | 2124 | iwl_mvm_bt_coex_vif_change(mvm); |
Emmanuel Grumbach | dac94da | 2013-06-18 07:35:27 +0300 | [diff] [blame] | 2125 | |
Arik Nemtsov | f697267 | 2014-06-15 16:03:55 +0300 | [diff] [blame] | 2126 | /* we don't support TDLS during DCM */ |
| 2127 | if (iwl_mvm_phy_ctx_count(mvm) > 1) |
| 2128 | iwl_mvm_teardown_tdls_peers(mvm); |
| 2129 | |
Arik Nemtsov | 939e490 | 2015-03-08 12:19:42 +0200 | [diff] [blame] | 2130 | goto out_unlock; |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2131 | |
Ilan Peer | a11e144 | 2013-12-31 21:19:55 +0200 | [diff] [blame] | 2132 | out_quota_failed: |
Arik Nemtsov | 999609f | 2014-05-15 17:31:51 +0300 | [diff] [blame] | 2133 | iwl_mvm_power_update_mac(mvm); |
Ilan Peer | 5691e21 | 2013-12-31 21:05:50 +0200 | [diff] [blame] | 2134 | mvmvif->ap_ibss_active = false; |
Johannes Berg | 013290a | 2014-08-04 13:38:48 +0200 | [diff] [blame] | 2135 | iwl_mvm_send_rm_bcast_sta(mvm, vif); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2136 | out_unbind: |
| 2137 | iwl_mvm_binding_remove_vif(mvm, vif); |
| 2138 | out_remove: |
| 2139 | iwl_mvm_mac_ctxt_remove(mvm, vif); |
| 2140 | out_unlock: |
| 2141 | mutex_unlock(&mvm->mutex); |
Eliad Peller | 576eeee | 2014-07-01 18:38:38 +0300 | [diff] [blame] | 2142 | iwl_mvm_unref(mvm, IWL_MVM_REF_START_AP); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2143 | return ret; |
| 2144 | } |
| 2145 | |
Johannes Berg | 5023d96 | 2013-07-31 14:07:43 +0200 | [diff] [blame] | 2146 | static void iwl_mvm_stop_ap_ibss(struct ieee80211_hw *hw, |
| 2147 | struct ieee80211_vif *vif) |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2148 | { |
| 2149 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); |
| 2150 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); |
| 2151 | |
Johannes Berg | 38a12b5 | 2013-02-22 14:07:56 +0100 | [diff] [blame] | 2152 | iwl_mvm_prepare_mac_removal(mvm, vif); |
| 2153 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2154 | mutex_lock(&mvm->mutex); |
| 2155 | |
Andrei Otcheretianski | 664322f | 2014-06-05 16:40:36 +0300 | [diff] [blame] | 2156 | /* Handle AP stop while in CSA */ |
Andrei Otcheretianski | 7f0a7c6 | 2014-05-04 11:48:12 +0300 | [diff] [blame] | 2157 | if (rcu_access_pointer(mvm->csa_vif) == vif) { |
| 2158 | iwl_mvm_remove_time_event(mvm, mvmvif, |
| 2159 | &mvmvif->time_event_data); |
Andrei Otcheretianski | 664322f | 2014-06-05 16:40:36 +0300 | [diff] [blame] | 2160 | RCU_INIT_POINTER(mvm->csa_vif, NULL); |
Avraham Stern | e9cb032 | 2015-08-31 11:08:27 +0300 | [diff] [blame] | 2161 | mvmvif->csa_countdown = false; |
Andrei Otcheretianski | 7f0a7c6 | 2014-05-04 11:48:12 +0300 | [diff] [blame] | 2162 | } |
Andrei Otcheretianski | 664322f | 2014-06-05 16:40:36 +0300 | [diff] [blame] | 2163 | |
Andrei Otcheretianski | 003e5236 | 2014-05-25 17:24:22 +0300 | [diff] [blame] | 2164 | if (rcu_access_pointer(mvm->csa_tx_blocked_vif) == vif) { |
| 2165 | RCU_INIT_POINTER(mvm->csa_tx_blocked_vif, NULL); |
| 2166 | mvm->csa_tx_block_bcn_timeout = 0; |
| 2167 | } |
| 2168 | |
Johannes Berg | 5023d96 | 2013-07-31 14:07:43 +0200 | [diff] [blame] | 2169 | mvmvif->ap_ibss_active = false; |
David Spinadel | 1c87bba | 2014-02-27 16:41:52 +0200 | [diff] [blame] | 2170 | mvm->ap_last_beacon_gp2 = 0; |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2171 | |
Emmanuel Grumbach | 8e484f0 | 2013-10-02 15:02:25 +0300 | [diff] [blame] | 2172 | iwl_mvm_bt_coex_vif_change(mvm); |
Emmanuel Grumbach | dac94da | 2013-06-18 07:35:27 +0300 | [diff] [blame] | 2173 | |
Eliad Peller | 29a90a4 | 2013-11-05 14:06:29 +0200 | [diff] [blame] | 2174 | iwl_mvm_unref(mvm, IWL_MVM_REF_AP_IBSS); |
| 2175 | |
Johannes Berg | 5023d96 | 2013-07-31 14:07:43 +0200 | [diff] [blame] | 2176 | /* Need to update the P2P Device MAC (only GO, IBSS is single vif) */ |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2177 | if (vif->p2p && mvm->p2p_device_vif) |
Johannes Berg | 3dfd3a9 | 2014-08-11 21:37:30 +0200 | [diff] [blame] | 2178 | iwl_mvm_mac_ctxt_changed(mvm, mvm->p2p_device_vif, false, NULL); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2179 | |
Emmanuel Grumbach | 7754ae7 | 2015-02-26 15:14:35 +0200 | [diff] [blame] | 2180 | iwl_mvm_update_quotas(mvm, false, NULL); |
Johannes Berg | 013290a | 2014-08-04 13:38:48 +0200 | [diff] [blame] | 2181 | iwl_mvm_send_rm_bcast_sta(mvm, vif); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2182 | iwl_mvm_binding_remove_vif(mvm, vif); |
Ilan Peer | a11e144 | 2013-12-31 21:19:55 +0200 | [diff] [blame] | 2183 | |
Arik Nemtsov | 999609f | 2014-05-15 17:31:51 +0300 | [diff] [blame] | 2184 | iwl_mvm_power_update_mac(mvm); |
Ilan Peer | a11e144 | 2013-12-31 21:19:55 +0200 | [diff] [blame] | 2185 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2186 | iwl_mvm_mac_ctxt_remove(mvm, vif); |
| 2187 | |
| 2188 | mutex_unlock(&mvm->mutex); |
| 2189 | } |
| 2190 | |
Johannes Berg | 5023d96 | 2013-07-31 14:07:43 +0200 | [diff] [blame] | 2191 | static void |
| 2192 | iwl_mvm_bss_info_changed_ap_ibss(struct iwl_mvm *mvm, |
| 2193 | struct ieee80211_vif *vif, |
| 2194 | struct ieee80211_bss_conf *bss_conf, |
| 2195 | u32 changes) |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2196 | { |
Ilan Peer | be2056f | 2013-12-04 16:47:14 +0200 | [diff] [blame] | 2197 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); |
Avri Altman | 8a5e366 | 2013-11-12 19:16:03 +0200 | [diff] [blame] | 2198 | |
Ilan Peer | be2056f | 2013-12-04 16:47:14 +0200 | [diff] [blame] | 2199 | /* Changes will be applied when the AP/IBSS is started */ |
| 2200 | if (!mvmvif->ap_ibss_active) |
| 2201 | return; |
| 2202 | |
Johannes Berg | 863230da | 2013-12-04 17:08:40 +0100 | [diff] [blame] | 2203 | if (changes & (BSS_CHANGED_ERP_CTS_PROT | BSS_CHANGED_HT | |
Johannes Berg | f7d8b70 | 2014-09-09 15:49:19 +0200 | [diff] [blame] | 2204 | BSS_CHANGED_BANDWIDTH | BSS_CHANGED_QOS) && |
Johannes Berg | 3dfd3a9 | 2014-08-11 21:37:30 +0200 | [diff] [blame] | 2205 | iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL)) |
Johannes Berg | 863230da | 2013-12-04 17:08:40 +0100 | [diff] [blame] | 2206 | IWL_ERR(mvm, "failed to update MAC %pM\n", vif->addr); |
Avri Altman | 8a5e366 | 2013-11-12 19:16:03 +0200 | [diff] [blame] | 2207 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2208 | /* Need to send a new beacon template to the FW */ |
Johannes Berg | 863230da | 2013-12-04 17:08:40 +0100 | [diff] [blame] | 2209 | if (changes & BSS_CHANGED_BEACON && |
| 2210 | iwl_mvm_mac_ctxt_beacon_changed(mvm, vif)) |
| 2211 | IWL_WARN(mvm, "Failed updating beacon data\n"); |
Haim Dreyfuss | 79b7a69 | 2014-09-14 12:40:00 +0300 | [diff] [blame] | 2212 | |
| 2213 | if (changes & BSS_CHANGED_TXPOWER) { |
| 2214 | IWL_DEBUG_CALIB(mvm, "Changing TX Power to %d\n", |
| 2215 | bss_conf->txpower); |
| 2216 | iwl_mvm_set_tx_power(mvm, vif, bss_conf->txpower); |
| 2217 | } |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2218 | } |
| 2219 | |
| 2220 | static void iwl_mvm_bss_info_changed(struct ieee80211_hw *hw, |
| 2221 | struct ieee80211_vif *vif, |
| 2222 | struct ieee80211_bss_conf *bss_conf, |
| 2223 | u32 changes) |
| 2224 | { |
| 2225 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); |
| 2226 | |
Eliad Peller | 576eeee | 2014-07-01 18:38:38 +0300 | [diff] [blame] | 2227 | /* |
| 2228 | * iwl_mvm_bss_info_changed_station() might call |
| 2229 | * iwl_mvm_protect_session(), which reads directly from |
| 2230 | * the device (the system time), so make sure it is available. |
| 2231 | */ |
| 2232 | if (iwl_mvm_ref_sync(mvm, IWL_MVM_REF_BSS_CHANGED)) |
| 2233 | return; |
| 2234 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2235 | mutex_lock(&mvm->mutex); |
| 2236 | |
David Spinadel | 723f02e | 2014-04-27 09:54:54 +0300 | [diff] [blame] | 2237 | if (changes & BSS_CHANGED_IDLE && !bss_conf->idle) |
Luciano Coelho | c7d4248 | 2015-05-07 16:00:26 +0300 | [diff] [blame] | 2238 | iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_SCHED, true); |
David Spinadel | 723f02e | 2014-04-27 09:54:54 +0300 | [diff] [blame] | 2239 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2240 | switch (vif->type) { |
| 2241 | case NL80211_IFTYPE_STATION: |
| 2242 | iwl_mvm_bss_info_changed_station(mvm, vif, bss_conf, changes); |
| 2243 | break; |
| 2244 | case NL80211_IFTYPE_AP: |
Johannes Berg | 5023d96 | 2013-07-31 14:07:43 +0200 | [diff] [blame] | 2245 | case NL80211_IFTYPE_ADHOC: |
| 2246 | iwl_mvm_bss_info_changed_ap_ibss(mvm, vif, bss_conf, changes); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2247 | break; |
Aviya Erenfeld | 91b08c2d | 2016-03-27 14:53:49 +0300 | [diff] [blame] | 2248 | case NL80211_IFTYPE_MONITOR: |
| 2249 | if (changes & BSS_CHANGED_MU_GROUPS) |
| 2250 | iwl_mvm_update_mu_groups(mvm, vif); |
| 2251 | break; |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2252 | default: |
| 2253 | /* shouldn't happen */ |
| 2254 | WARN_ON_ONCE(1); |
| 2255 | } |
| 2256 | |
| 2257 | mutex_unlock(&mvm->mutex); |
Eliad Peller | 576eeee | 2014-07-01 18:38:38 +0300 | [diff] [blame] | 2258 | iwl_mvm_unref(mvm, IWL_MVM_REF_BSS_CHANGED); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2259 | } |
| 2260 | |
| 2261 | static int iwl_mvm_mac_hw_scan(struct ieee80211_hw *hw, |
| 2262 | struct ieee80211_vif *vif, |
David Spinadel | c56ef67 | 2014-02-05 15:21:13 +0200 | [diff] [blame] | 2263 | struct ieee80211_scan_request *hw_req) |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2264 | { |
| 2265 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); |
| 2266 | int ret; |
| 2267 | |
Luciano Coelho | 6749dd8 | 2015-03-20 15:51:36 +0200 | [diff] [blame] | 2268 | if (hw_req->req.n_channels == 0 || |
| 2269 | hw_req->req.n_channels > mvm->fw->ucode_capa.n_scan_channels) |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2270 | return -EINVAL; |
| 2271 | |
| 2272 | mutex_lock(&mvm->mutex); |
Luciano Coelho | 6749dd8 | 2015-03-20 15:51:36 +0200 | [diff] [blame] | 2273 | ret = iwl_mvm_reg_scan_start(mvm, vif, &hw_req->req, &hw_req->ies); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2274 | mutex_unlock(&mvm->mutex); |
Luciano Coelho | 6749dd8 | 2015-03-20 15:51:36 +0200 | [diff] [blame] | 2275 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2276 | return ret; |
| 2277 | } |
| 2278 | |
| 2279 | static void iwl_mvm_mac_cancel_hw_scan(struct ieee80211_hw *hw, |
| 2280 | struct ieee80211_vif *vif) |
| 2281 | { |
| 2282 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); |
| 2283 | |
| 2284 | mutex_lock(&mvm->mutex); |
| 2285 | |
Luciano Coelho | e7d3aba | 2015-02-06 10:19:05 +0200 | [diff] [blame] | 2286 | /* Due to a race condition, it's possible that mac80211 asks |
| 2287 | * us to stop a hw_scan when it's already stopped. This can |
| 2288 | * happen, for instance, if we stopped the scan ourselves, |
| 2289 | * called ieee80211_scan_completed() and the userspace called |
| 2290 | * cancel scan scan before ieee80211_scan_work() could run. |
| 2291 | * To handle that, simply return if the scan is not running. |
| 2292 | */ |
Luciano Coelho | 262888f | 2015-05-07 17:21:09 +0300 | [diff] [blame] | 2293 | if (mvm->scan_status & IWL_MVM_SCAN_REGULAR) |
Luciano Coelho | c7d4248 | 2015-05-07 16:00:26 +0300 | [diff] [blame] | 2294 | iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_REGULAR, true); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2295 | |
| 2296 | mutex_unlock(&mvm->mutex); |
| 2297 | } |
| 2298 | |
| 2299 | static void |
| 2300 | iwl_mvm_mac_allow_buffered_frames(struct ieee80211_hw *hw, |
Johannes Berg | 3e56ead | 2013-02-15 22:23:18 +0100 | [diff] [blame] | 2301 | struct ieee80211_sta *sta, u16 tids, |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2302 | int num_frames, |
| 2303 | enum ieee80211_frame_release_type reason, |
| 2304 | bool more_data) |
| 2305 | { |
| 2306 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2307 | |
Johannes Berg | 3e56ead | 2013-02-15 22:23:18 +0100 | [diff] [blame] | 2308 | /* Called when we need to transmit (a) frame(s) from mac80211 */ |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2309 | |
Johannes Berg | 3e56ead | 2013-02-15 22:23:18 +0100 | [diff] [blame] | 2310 | iwl_mvm_sta_modify_sleep_tx_count(mvm, sta, reason, num_frames, |
| 2311 | tids, more_data, false); |
| 2312 | } |
| 2313 | |
| 2314 | static void |
| 2315 | iwl_mvm_mac_release_buffered_frames(struct ieee80211_hw *hw, |
| 2316 | struct ieee80211_sta *sta, u16 tids, |
| 2317 | int num_frames, |
| 2318 | enum ieee80211_frame_release_type reason, |
| 2319 | bool more_data) |
| 2320 | { |
| 2321 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); |
| 2322 | |
Sara Sharon | 8d3a318 | 2017-03-14 09:50:35 +0200 | [diff] [blame] | 2323 | /* Called when we need to transmit (a) frame(s) from agg or dqa queue */ |
Johannes Berg | 3e56ead | 2013-02-15 22:23:18 +0100 | [diff] [blame] | 2324 | |
| 2325 | iwl_mvm_sta_modify_sleep_tx_count(mvm, sta, reason, num_frames, |
| 2326 | tids, more_data, true); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2327 | } |
| 2328 | |
| 2329 | static void iwl_mvm_mac_sta_notify(struct ieee80211_hw *hw, |
| 2330 | struct ieee80211_vif *vif, |
| 2331 | enum sta_notify_cmd cmd, |
| 2332 | struct ieee80211_sta *sta) |
| 2333 | { |
| 2334 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); |
Johannes Berg | 5b577a9 | 2013-11-14 18:20:04 +0100 | [diff] [blame] | 2335 | struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); |
Emmanuel Grumbach | c22b0ff | 2015-01-22 13:15:15 +0200 | [diff] [blame] | 2336 | unsigned long txqs = 0, tids = 0; |
Johannes Berg | 3e56ead | 2013-02-15 22:23:18 +0100 | [diff] [blame] | 2337 | int tid; |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2338 | |
Emmanuel Grumbach | c22b0ff | 2015-01-22 13:15:15 +0200 | [diff] [blame] | 2339 | spin_lock_bh(&mvmsta->lock); |
| 2340 | for (tid = 0; tid < IWL_MAX_TID_COUNT; tid++) { |
| 2341 | struct iwl_mvm_tid_data *tid_data = &mvmsta->tid_data[tid]; |
| 2342 | |
Sara Sharon | 8d3a318 | 2017-03-14 09:50:35 +0200 | [diff] [blame] | 2343 | if (!iwl_mvm_is_dqa_supported(mvm) && |
| 2344 | tid_data->state != IWL_AGG_ON && |
Emmanuel Grumbach | c22b0ff | 2015-01-22 13:15:15 +0200 | [diff] [blame] | 2345 | tid_data->state != IWL_EMPTYING_HW_QUEUE_DELBA) |
| 2346 | continue; |
| 2347 | |
| 2348 | __set_bit(tid_data->txq_id, &txqs); |
| 2349 | |
| 2350 | if (iwl_mvm_tid_queued(tid_data) == 0) |
| 2351 | continue; |
| 2352 | |
| 2353 | __set_bit(tid, &tids); |
| 2354 | } |
| 2355 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2356 | switch (cmd) { |
| 2357 | case STA_NOTIFY_SLEEP: |
Emmanuel Grumbach | e3d4bc8 | 2013-05-07 14:08:24 +0300 | [diff] [blame] | 2358 | if (atomic_read(&mvm->pending_frames[mvmsta->sta_id]) > 0) |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2359 | ieee80211_sta_block_awake(hw, sta, true); |
Johannes Berg | 3e56ead | 2013-02-15 22:23:18 +0100 | [diff] [blame] | 2360 | |
Emmanuel Grumbach | c22b0ff | 2015-01-22 13:15:15 +0200 | [diff] [blame] | 2361 | for_each_set_bit(tid, &tids, IWL_MAX_TID_COUNT) |
Johannes Berg | 3e56ead | 2013-02-15 22:23:18 +0100 | [diff] [blame] | 2362 | ieee80211_sta_set_buffered(sta, tid, true); |
Emmanuel Grumbach | c22b0ff | 2015-01-22 13:15:15 +0200 | [diff] [blame] | 2363 | |
| 2364 | if (txqs) |
| 2365 | iwl_trans_freeze_txq_timer(mvm->trans, txqs, true); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2366 | /* |
| 2367 | * The fw updates the STA to be asleep. Tx packets on the Tx |
| 2368 | * queues to this station will not be transmitted. The fw will |
| 2369 | * send a Tx response with TX_STATUS_FAIL_DEST_PS. |
| 2370 | */ |
| 2371 | break; |
| 2372 | case STA_NOTIFY_AWAKE: |
Emmanuel Grumbach | 881acd8 | 2013-03-19 16:16:00 +0200 | [diff] [blame] | 2373 | if (WARN_ON(mvmsta->sta_id == IWL_MVM_STATION_COUNT)) |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2374 | break; |
Emmanuel Grumbach | c22b0ff | 2015-01-22 13:15:15 +0200 | [diff] [blame] | 2375 | |
| 2376 | if (txqs) |
| 2377 | iwl_trans_freeze_txq_timer(mvm->trans, txqs, false); |
Johannes Berg | 9cc4071 | 2013-02-15 22:47:48 +0100 | [diff] [blame] | 2378 | iwl_mvm_sta_modify_ps_wake(mvm, sta); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2379 | break; |
| 2380 | default: |
| 2381 | break; |
| 2382 | } |
Emmanuel Grumbach | c22b0ff | 2015-01-22 13:15:15 +0200 | [diff] [blame] | 2383 | spin_unlock_bh(&mvmsta->lock); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2384 | } |
| 2385 | |
Johannes Berg | 1ddbbb0 | 2013-12-04 22:39:17 +0100 | [diff] [blame] | 2386 | static void iwl_mvm_sta_pre_rcu_remove(struct ieee80211_hw *hw, |
| 2387 | struct ieee80211_vif *vif, |
| 2388 | struct ieee80211_sta *sta) |
| 2389 | { |
| 2390 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); |
Johannes Berg | 9d8ce6a | 2014-12-23 16:02:40 +0100 | [diff] [blame] | 2391 | struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); |
Johannes Berg | 1ddbbb0 | 2013-12-04 22:39:17 +0100 | [diff] [blame] | 2392 | |
| 2393 | /* |
| 2394 | * This is called before mac80211 does RCU synchronisation, |
| 2395 | * so here we already invalidate our internal RCU-protected |
| 2396 | * station pointer. The rest of the code will thus no longer |
| 2397 | * be able to find the station this way, and we don't rely |
| 2398 | * on further RCU synchronisation after the sta_state() |
| 2399 | * callback deleted the station. |
| 2400 | */ |
| 2401 | mutex_lock(&mvm->mutex); |
| 2402 | if (sta == rcu_access_pointer(mvm->fw_id_to_mac_id[mvm_sta->sta_id])) |
| 2403 | rcu_assign_pointer(mvm->fw_id_to_mac_id[mvm_sta->sta_id], |
| 2404 | ERR_PTR(-ENOENT)); |
Gregory Greenman | 9493908 | 2015-08-24 14:38:35 +0300 | [diff] [blame] | 2405 | |
Johannes Berg | 1ddbbb0 | 2013-12-04 22:39:17 +0100 | [diff] [blame] | 2406 | mutex_unlock(&mvm->mutex); |
| 2407 | } |
| 2408 | |
Johannes Berg | bd1ba66 | 2014-11-13 20:53:45 +0100 | [diff] [blame] | 2409 | static void iwl_mvm_check_uapsd(struct iwl_mvm *mvm, struct ieee80211_vif *vif, |
| 2410 | const u8 *bssid) |
| 2411 | { |
| 2412 | if (!(mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_UAPSD_SUPPORT)) |
| 2413 | return; |
| 2414 | |
Avraham Stern | c5241b0 | 2016-04-20 09:29:18 +0300 | [diff] [blame] | 2415 | if (vif->p2p && !iwl_mvm_is_p2p_scm_uapsd_supported(mvm)) { |
Avri Altman | cee5a88 | 2016-02-03 16:28:25 +0200 | [diff] [blame] | 2416 | vif->driver_flags &= ~IEEE80211_VIF_SUPPORTS_UAPSD; |
| 2417 | return; |
| 2418 | } |
| 2419 | |
Emmanuel Grumbach | 11dee0b | 2016-03-15 11:04:29 +0200 | [diff] [blame] | 2420 | if (!vif->p2p && |
| 2421 | (iwlwifi_mod_params.uapsd_disable & IWL_DISABLE_UAPSD_BSS)) { |
Johannes Berg | bd1ba66 | 2014-11-13 20:53:45 +0100 | [diff] [blame] | 2422 | vif->driver_flags &= ~IEEE80211_VIF_SUPPORTS_UAPSD; |
| 2423 | return; |
| 2424 | } |
| 2425 | |
| 2426 | vif->driver_flags |= IEEE80211_VIF_SUPPORTS_UAPSD; |
| 2427 | } |
| 2428 | |
Golan Ben-Ami | 1e8f132 | 2015-08-23 17:57:33 +0300 | [diff] [blame] | 2429 | static void |
| 2430 | iwl_mvm_tdls_check_trigger(struct iwl_mvm *mvm, |
| 2431 | struct ieee80211_vif *vif, u8 *peer_addr, |
| 2432 | enum nl80211_tdls_operation action) |
| 2433 | { |
| 2434 | struct iwl_fw_dbg_trigger_tlv *trig; |
| 2435 | struct iwl_fw_dbg_trigger_tdls *tdls_trig; |
| 2436 | |
| 2437 | if (!iwl_fw_dbg_trigger_enabled(mvm->fw, FW_DBG_TRIGGER_TDLS)) |
| 2438 | return; |
| 2439 | |
| 2440 | trig = iwl_fw_dbg_get_trigger(mvm->fw, FW_DBG_TRIGGER_TDLS); |
| 2441 | tdls_trig = (void *)trig->data; |
| 2442 | if (!iwl_fw_dbg_trigger_check_stop(mvm, vif, trig)) |
| 2443 | return; |
| 2444 | |
| 2445 | if (!(tdls_trig->action_bitmap & BIT(action))) |
| 2446 | return; |
| 2447 | |
| 2448 | if (tdls_trig->peer_mode && |
| 2449 | memcmp(tdls_trig->peer, peer_addr, ETH_ALEN) != 0) |
| 2450 | return; |
| 2451 | |
| 2452 | iwl_mvm_fw_dbg_collect_trig(mvm, trig, |
| 2453 | "TDLS event occurred, peer %pM, action %d", |
| 2454 | peer_addr, action); |
| 2455 | } |
| 2456 | |
Liad Kaufman | 24afba7 | 2015-07-28 18:56:08 +0300 | [diff] [blame] | 2457 | static void iwl_mvm_purge_deferred_tx_frames(struct iwl_mvm *mvm, |
| 2458 | struct iwl_mvm_sta *mvm_sta) |
| 2459 | { |
| 2460 | struct iwl_mvm_tid_data *tid_data; |
| 2461 | struct sk_buff *skb; |
| 2462 | int i; |
| 2463 | |
| 2464 | spin_lock_bh(&mvm_sta->lock); |
| 2465 | for (i = 0; i <= IWL_MAX_TID_COUNT; i++) { |
| 2466 | tid_data = &mvm_sta->tid_data[i]; |
| 2467 | while ((skb = __skb_dequeue(&tid_data->deferred_tx_frames))) |
| 2468 | ieee80211_free_txskb(mvm->hw, skb); |
| 2469 | } |
| 2470 | spin_unlock_bh(&mvm_sta->lock); |
| 2471 | } |
| 2472 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2473 | static int iwl_mvm_mac_sta_state(struct ieee80211_hw *hw, |
| 2474 | struct ieee80211_vif *vif, |
| 2475 | struct ieee80211_sta *sta, |
| 2476 | enum ieee80211_sta_state old_state, |
| 2477 | enum ieee80211_sta_state new_state) |
| 2478 | { |
| 2479 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); |
| 2480 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); |
| 2481 | int ret; |
| 2482 | |
| 2483 | IWL_DEBUG_MAC80211(mvm, "station %pM state change %d->%d\n", |
| 2484 | sta->addr, old_state, new_state); |
| 2485 | |
| 2486 | /* this would be a mac80211 bug ... but don't crash */ |
| 2487 | if (WARN_ON_ONCE(!mvmvif->phy_ctxt)) |
| 2488 | return -EINVAL; |
| 2489 | |
| 2490 | /* if a STA is being removed, reuse its ID */ |
| 2491 | flush_work(&mvm->sta_drained_wk); |
| 2492 | |
Liad Kaufman | 24afba7 | 2015-07-28 18:56:08 +0300 | [diff] [blame] | 2493 | /* |
| 2494 | * If we are in a STA removal flow and in DQA mode: |
| 2495 | * |
| 2496 | * This is after the sync_rcu part, so the queues have already been |
| 2497 | * flushed. No more TXs on their way in mac80211's path, and no more in |
| 2498 | * the queues. |
| 2499 | * Also, we won't be getting any new TX frames for this station. |
| 2500 | * What we might have are deferred TX frames that need to be taken care |
| 2501 | * of. |
| 2502 | * |
| 2503 | * Drop any still-queued deferred-frame before removing the STA, and |
| 2504 | * make sure the worker is no longer handling frames for this STA. |
| 2505 | */ |
| 2506 | if (old_state == IEEE80211_STA_NONE && |
| 2507 | new_state == IEEE80211_STA_NOTEXIST && |
| 2508 | iwl_mvm_is_dqa_supported(mvm)) { |
| 2509 | struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); |
| 2510 | |
| 2511 | iwl_mvm_purge_deferred_tx_frames(mvm, mvm_sta); |
| 2512 | flush_work(&mvm->add_stream_wk); |
| 2513 | |
| 2514 | /* |
| 2515 | * No need to make sure deferred TX indication is off since the |
| 2516 | * worker will already remove it if it was on |
| 2517 | */ |
| 2518 | } |
| 2519 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2520 | mutex_lock(&mvm->mutex); |
| 2521 | if (old_state == IEEE80211_STA_NOTEXIST && |
| 2522 | new_state == IEEE80211_STA_NONE) { |
Johannes Berg | 48bc130 | 2013-07-04 15:55:29 +0200 | [diff] [blame] | 2523 | /* |
| 2524 | * Firmware bug - it'll crash if the beacon interval is less |
| 2525 | * than 16. We can't avoid connecting at all, so refuse the |
| 2526 | * station state change, this will cause mac80211 to abandon |
| 2527 | * attempts to connect to this AP, and eventually wpa_s will |
| 2528 | * blacklist the AP... |
| 2529 | */ |
| 2530 | if (vif->type == NL80211_IFTYPE_STATION && |
| 2531 | vif->bss_conf.beacon_int < 16) { |
| 2532 | IWL_ERR(mvm, |
| 2533 | "AP %pM beacon interval is %d, refusing due to firmware bug!\n", |
| 2534 | sta->addr, vif->bss_conf.beacon_int); |
| 2535 | ret = -EINVAL; |
| 2536 | goto out_unlock; |
| 2537 | } |
Arik Nemtsov | cf7b491 | 2014-05-15 11:44:40 +0300 | [diff] [blame] | 2538 | |
| 2539 | if (sta->tdls && |
| 2540 | (vif->p2p || |
Arik Nemtsov | fa3d07e | 2014-05-15 18:59:32 +0300 | [diff] [blame] | 2541 | iwl_mvm_tdls_sta_count(mvm, NULL) == |
| 2542 | IWL_MVM_TDLS_STA_COUNT || |
Arik Nemtsov | cf7b491 | 2014-05-15 11:44:40 +0300 | [diff] [blame] | 2543 | iwl_mvm_phy_ctx_count(mvm) > 1)) { |
| 2544 | IWL_DEBUG_MAC80211(mvm, "refusing TDLS sta\n"); |
| 2545 | ret = -EBUSY; |
| 2546 | goto out_unlock; |
| 2547 | } |
| 2548 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2549 | ret = iwl_mvm_add_sta(mvm, vif, sta); |
Golan Ben-Ami | 1e8f132 | 2015-08-23 17:57:33 +0300 | [diff] [blame] | 2550 | if (sta->tdls && ret == 0) { |
Arik Nemtsov | fa3d07e | 2014-05-15 18:59:32 +0300 | [diff] [blame] | 2551 | iwl_mvm_recalc_tdls_state(mvm, vif, true); |
Golan Ben-Ami | 1e8f132 | 2015-08-23 17:57:33 +0300 | [diff] [blame] | 2552 | iwl_mvm_tdls_check_trigger(mvm, vif, sta->addr, |
| 2553 | NL80211_TDLS_SETUP); |
| 2554 | } |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2555 | } else if (old_state == IEEE80211_STA_NONE && |
| 2556 | new_state == IEEE80211_STA_AUTH) { |
Haim Dreyfuss | e820c2d | 2014-04-06 11:19:09 +0300 | [diff] [blame] | 2557 | /* |
| 2558 | * EBS may be disabled due to previous failures reported by FW. |
| 2559 | * Reset EBS status here assuming environment has been changed. |
| 2560 | */ |
| 2561 | mvm->last_ebs_successful = true; |
Johannes Berg | bd1ba66 | 2014-11-13 20:53:45 +0100 | [diff] [blame] | 2562 | iwl_mvm_check_uapsd(mvm, vif, sta->addr); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2563 | ret = 0; |
| 2564 | } else if (old_state == IEEE80211_STA_AUTH && |
| 2565 | new_state == IEEE80211_STA_ASSOC) { |
Ayala Beker | 8be30c1 | 2015-12-16 00:32:07 +0200 | [diff] [blame] | 2566 | if (vif->type == NL80211_IFTYPE_AP) { |
| 2567 | mvmvif->ap_assoc_sta_count++; |
| 2568 | iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); |
| 2569 | } |
Johannes Berg | 7a45397 | 2013-02-12 13:10:44 +0100 | [diff] [blame] | 2570 | ret = iwl_mvm_update_sta(mvm, vif, sta); |
| 2571 | if (ret == 0) |
| 2572 | iwl_mvm_rs_rate_init(mvm, sta, |
Eyal Shapira | b87c217 | 2013-11-09 23:37:55 +0200 | [diff] [blame] | 2573 | mvmvif->phy_ctxt->channel->band, |
| 2574 | true); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2575 | } else if (old_state == IEEE80211_STA_ASSOC && |
| 2576 | new_state == IEEE80211_STA_AUTHORIZED) { |
Arik Nemtsov | f59e0e3c | 2014-06-10 19:56:27 +0300 | [diff] [blame] | 2577 | |
| 2578 | /* we don't support TDLS during DCM */ |
| 2579 | if (iwl_mvm_phy_ctx_count(mvm) > 1) |
| 2580 | iwl_mvm_teardown_tdls_peers(mvm); |
| 2581 | |
Golan Ben-Ami | 1e8f132 | 2015-08-23 17:57:33 +0300 | [diff] [blame] | 2582 | if (sta->tdls) |
| 2583 | iwl_mvm_tdls_check_trigger(mvm, vif, sta->addr, |
| 2584 | NL80211_TDLS_ENABLE_LINK); |
| 2585 | |
Hila Gonen | 7df15b1 | 2012-12-12 11:16:19 +0200 | [diff] [blame] | 2586 | /* enable beacon filtering */ |
Avri Altman | fa7b2e7 | 2014-05-20 08:03:24 +0300 | [diff] [blame] | 2587 | WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif, 0)); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2588 | ret = 0; |
| 2589 | } else if (old_state == IEEE80211_STA_AUTHORIZED && |
| 2590 | new_state == IEEE80211_STA_ASSOC) { |
Hila Gonen | 7df15b1 | 2012-12-12 11:16:19 +0200 | [diff] [blame] | 2591 | /* disable beacon filtering */ |
Emmanuel Grumbach | a102292 | 2014-05-12 11:36:41 +0300 | [diff] [blame] | 2592 | WARN_ON(iwl_mvm_disable_beacon_filter(mvm, vif, 0)); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2593 | ret = 0; |
| 2594 | } else if (old_state == IEEE80211_STA_ASSOC && |
| 2595 | new_state == IEEE80211_STA_AUTH) { |
Ayala Beker | 8be30c1 | 2015-12-16 00:32:07 +0200 | [diff] [blame] | 2596 | if (vif->type == NL80211_IFTYPE_AP) { |
| 2597 | mvmvif->ap_assoc_sta_count--; |
| 2598 | iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); |
| 2599 | } |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2600 | ret = 0; |
| 2601 | } else if (old_state == IEEE80211_STA_AUTH && |
| 2602 | new_state == IEEE80211_STA_NONE) { |
| 2603 | ret = 0; |
| 2604 | } else if (old_state == IEEE80211_STA_NONE && |
| 2605 | new_state == IEEE80211_STA_NOTEXIST) { |
| 2606 | ret = iwl_mvm_rm_sta(mvm, vif, sta); |
Golan Ben-Ami | 1e8f132 | 2015-08-23 17:57:33 +0300 | [diff] [blame] | 2607 | if (sta->tdls) { |
Arik Nemtsov | fa3d07e | 2014-05-15 18:59:32 +0300 | [diff] [blame] | 2608 | iwl_mvm_recalc_tdls_state(mvm, vif, false); |
Golan Ben-Ami | 1e8f132 | 2015-08-23 17:57:33 +0300 | [diff] [blame] | 2609 | iwl_mvm_tdls_check_trigger(mvm, vif, sta->addr, |
| 2610 | NL80211_TDLS_DISABLE_LINK); |
| 2611 | } |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2612 | } else { |
| 2613 | ret = -EIO; |
| 2614 | } |
Johannes Berg | 48bc130 | 2013-07-04 15:55:29 +0200 | [diff] [blame] | 2615 | out_unlock: |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2616 | mutex_unlock(&mvm->mutex); |
| 2617 | |
Liad Kaufman | 9c126cd | 2014-10-06 19:08:56 +0200 | [diff] [blame] | 2618 | if (sta->tdls && ret == 0) { |
| 2619 | if (old_state == IEEE80211_STA_NOTEXIST && |
| 2620 | new_state == IEEE80211_STA_NONE) |
| 2621 | ieee80211_reserve_tid(sta, IWL_MVM_TDLS_FW_TID); |
| 2622 | else if (old_state == IEEE80211_STA_NONE && |
| 2623 | new_state == IEEE80211_STA_NOTEXIST) |
| 2624 | ieee80211_unreserve_tid(sta, IWL_MVM_TDLS_FW_TID); |
| 2625 | } |
| 2626 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2627 | return ret; |
| 2628 | } |
| 2629 | |
| 2630 | static int iwl_mvm_mac_set_rts_threshold(struct ieee80211_hw *hw, u32 value) |
| 2631 | { |
| 2632 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); |
| 2633 | |
| 2634 | mvm->rts_threshold = value; |
| 2635 | |
| 2636 | return 0; |
| 2637 | } |
| 2638 | |
Lilach Edelstein | 1f3b0ff | 2013-10-06 13:03:32 +0200 | [diff] [blame] | 2639 | static void iwl_mvm_sta_rc_update(struct ieee80211_hw *hw, |
| 2640 | struct ieee80211_vif *vif, |
| 2641 | struct ieee80211_sta *sta, u32 changed) |
| 2642 | { |
| 2643 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); |
| 2644 | |
| 2645 | if (vif->type == NL80211_IFTYPE_STATION && |
| 2646 | changed & IEEE80211_RC_NSS_CHANGED) |
| 2647 | iwl_mvm_sf_update(mvm, vif, false); |
| 2648 | } |
| 2649 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2650 | static int iwl_mvm_mac_conf_tx(struct ieee80211_hw *hw, |
| 2651 | struct ieee80211_vif *vif, u16 ac, |
| 2652 | const struct ieee80211_tx_queue_params *params) |
| 2653 | { |
| 2654 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); |
| 2655 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); |
| 2656 | |
| 2657 | mvmvif->queue_params[ac] = *params; |
| 2658 | |
| 2659 | /* |
| 2660 | * No need to update right away, we'll get BSS_CHANGED_QOS |
| 2661 | * The exception is P2P_DEVICE interface which needs immediate update. |
| 2662 | */ |
| 2663 | if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { |
| 2664 | int ret; |
| 2665 | |
| 2666 | mutex_lock(&mvm->mutex); |
Johannes Berg | 3dfd3a9 | 2014-08-11 21:37:30 +0200 | [diff] [blame] | 2667 | ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2668 | mutex_unlock(&mvm->mutex); |
| 2669 | return ret; |
| 2670 | } |
| 2671 | return 0; |
| 2672 | } |
| 2673 | |
| 2674 | static void iwl_mvm_mac_mgd_prepare_tx(struct ieee80211_hw *hw, |
| 2675 | struct ieee80211_vif *vif) |
| 2676 | { |
| 2677 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); |
Sara Sharon | 7c70fee | 2016-02-02 11:55:53 +0200 | [diff] [blame] | 2678 | u32 duration = IWL_MVM_TE_SESSION_PROTECTION_MAX_TIME_MS; |
| 2679 | u32 min_duration = IWL_MVM_TE_SESSION_PROTECTION_MIN_TIME_MS; |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2680 | |
| 2681 | if (WARN_ON_ONCE(vif->bss_conf.assoc)) |
| 2682 | return; |
| 2683 | |
Eliad Peller | 576eeee | 2014-07-01 18:38:38 +0300 | [diff] [blame] | 2684 | /* |
| 2685 | * iwl_mvm_protect_session() reads directly from the device |
| 2686 | * (the system time), so make sure it is available. |
| 2687 | */ |
| 2688 | if (iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PREPARE_TX)) |
| 2689 | return; |
| 2690 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2691 | mutex_lock(&mvm->mutex); |
| 2692 | /* Try really hard to protect the session and hear a beacon */ |
Liad Kaufman | d20d37b | 2014-07-06 17:14:39 +0300 | [diff] [blame] | 2693 | iwl_mvm_protect_session(mvm, vif, duration, min_duration, 500, false); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2694 | mutex_unlock(&mvm->mutex); |
Eliad Peller | 576eeee | 2014-07-01 18:38:38 +0300 | [diff] [blame] | 2695 | |
| 2696 | iwl_mvm_unref(mvm, IWL_MVM_REF_PREPARE_TX); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2697 | } |
| 2698 | |
David Spinadel | 35a000b | 2013-08-28 09:29:43 +0300 | [diff] [blame] | 2699 | static int iwl_mvm_mac_sched_scan_start(struct ieee80211_hw *hw, |
| 2700 | struct ieee80211_vif *vif, |
| 2701 | struct cfg80211_sched_scan_request *req, |
David Spinadel | 633e271 | 2014-02-06 16:15:23 +0200 | [diff] [blame] | 2702 | struct ieee80211_scan_ies *ies) |
David Spinadel | 35a000b | 2013-08-28 09:29:43 +0300 | [diff] [blame] | 2703 | { |
| 2704 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); |
Luciano Coelho | 6749dd8 | 2015-03-20 15:51:36 +0200 | [diff] [blame] | 2705 | |
David Spinadel | 35a000b | 2013-08-28 09:29:43 +0300 | [diff] [blame] | 2706 | int ret; |
| 2707 | |
| 2708 | mutex_lock(&mvm->mutex); |
| 2709 | |
Luciano Coelho | 1f94038 | 2015-02-10 13:03:38 +0200 | [diff] [blame] | 2710 | if (!vif->bss_conf.idle) { |
David Spinadel | bd5e474 | 2014-04-24 13:15:29 +0300 | [diff] [blame] | 2711 | ret = -EBUSY; |
| 2712 | goto out; |
| 2713 | } |
| 2714 | |
Luciano Coelho | 19945df | 2015-03-20 16:11:28 +0200 | [diff] [blame] | 2715 | ret = iwl_mvm_sched_scan_start(mvm, vif, req, ies, IWL_MVM_SCAN_SCHED); |
David Spinadel | d249622 | 2014-05-20 12:46:37 +0300 | [diff] [blame] | 2716 | |
David Spinadel | 35a000b | 2013-08-28 09:29:43 +0300 | [diff] [blame] | 2717 | out: |
| 2718 | mutex_unlock(&mvm->mutex); |
| 2719 | return ret; |
| 2720 | } |
| 2721 | |
Johannes Berg | 37e3308 | 2014-02-17 10:48:17 +0100 | [diff] [blame] | 2722 | static int iwl_mvm_mac_sched_scan_stop(struct ieee80211_hw *hw, |
| 2723 | struct ieee80211_vif *vif) |
David Spinadel | 35a000b | 2013-08-28 09:29:43 +0300 | [diff] [blame] | 2724 | { |
| 2725 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); |
Arik Nemtsov | 33ea27f | 2014-02-10 15:34:29 +0200 | [diff] [blame] | 2726 | int ret; |
David Spinadel | 35a000b | 2013-08-28 09:29:43 +0300 | [diff] [blame] | 2727 | |
| 2728 | mutex_lock(&mvm->mutex); |
Luciano Coelho | e7d3aba | 2015-02-06 10:19:05 +0200 | [diff] [blame] | 2729 | |
| 2730 | /* Due to a race condition, it's possible that mac80211 asks |
| 2731 | * us to stop a sched_scan when it's already stopped. This |
| 2732 | * can happen, for instance, if we stopped the scan ourselves, |
| 2733 | * called ieee80211_sched_scan_stopped() and the userspace called |
| 2734 | * stop sched scan scan before ieee80211_sched_scan_stopped_work() |
| 2735 | * could run. To handle this, simply return if the scan is |
| 2736 | * not running. |
| 2737 | */ |
Luciano Coelho | 262888f | 2015-05-07 17:21:09 +0300 | [diff] [blame] | 2738 | if (!(mvm->scan_status & IWL_MVM_SCAN_SCHED)) { |
Luciano Coelho | e7d3aba | 2015-02-06 10:19:05 +0200 | [diff] [blame] | 2739 | mutex_unlock(&mvm->mutex); |
| 2740 | return 0; |
| 2741 | } |
| 2742 | |
Luciano Coelho | c7d4248 | 2015-05-07 16:00:26 +0300 | [diff] [blame] | 2743 | ret = iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_SCHED, false); |
David Spinadel | 35a000b | 2013-08-28 09:29:43 +0300 | [diff] [blame] | 2744 | mutex_unlock(&mvm->mutex); |
Arik Nemtsov | 33ea27f | 2014-02-10 15:34:29 +0200 | [diff] [blame] | 2745 | iwl_mvm_wait_for_async_handlers(mvm); |
Johannes Berg | 37e3308 | 2014-02-17 10:48:17 +0100 | [diff] [blame] | 2746 | |
Arik Nemtsov | 33ea27f | 2014-02-10 15:34:29 +0200 | [diff] [blame] | 2747 | return ret; |
David Spinadel | 35a000b | 2013-08-28 09:29:43 +0300 | [diff] [blame] | 2748 | } |
| 2749 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2750 | static int iwl_mvm_mac_set_key(struct ieee80211_hw *hw, |
| 2751 | enum set_key_cmd cmd, |
| 2752 | struct ieee80211_vif *vif, |
| 2753 | struct ieee80211_sta *sta, |
| 2754 | struct ieee80211_key_conf *key) |
| 2755 | { |
| 2756 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); |
Johannes Berg | f5e28ea | 2015-12-06 14:58:08 +0200 | [diff] [blame] | 2757 | struct iwl_mvm_sta *mvmsta; |
| 2758 | struct iwl_mvm_key_pn *ptk_pn; |
| 2759 | int keyidx = key->keyidx; |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2760 | int ret; |
Luca Coelho | d6ee54a | 2015-11-10 22:13:43 +0200 | [diff] [blame] | 2761 | u8 key_offset; |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2762 | |
| 2763 | if (iwlwifi_mod_params.sw_crypto) { |
| 2764 | IWL_DEBUG_MAC80211(mvm, "leave - hwcrypto disabled\n"); |
| 2765 | return -EOPNOTSUPP; |
| 2766 | } |
| 2767 | |
| 2768 | switch (key->cipher) { |
| 2769 | case WLAN_CIPHER_SUITE_TKIP: |
| 2770 | key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC; |
Eliad Peller | 1ad4f63 | 2016-02-14 13:56:36 +0200 | [diff] [blame] | 2771 | key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE; |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2772 | break; |
Johannes Berg | ca8c0f4 | 2015-04-20 17:54:54 +0200 | [diff] [blame] | 2773 | case WLAN_CIPHER_SUITE_CCMP: |
Ayala Beker | 2a53d16 | 2016-04-07 16:21:57 +0300 | [diff] [blame] | 2774 | case WLAN_CIPHER_SUITE_GCMP: |
| 2775 | case WLAN_CIPHER_SUITE_GCMP_256: |
Johannes Berg | ca8c0f4 | 2015-04-20 17:54:54 +0200 | [diff] [blame] | 2776 | key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE; |
| 2777 | break; |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2778 | case WLAN_CIPHER_SUITE_AES_CMAC: |
Ayala Beker | 8e160ab | 2016-04-11 11:37:38 +0300 | [diff] [blame] | 2779 | case WLAN_CIPHER_SUITE_BIP_GMAC_128: |
| 2780 | case WLAN_CIPHER_SUITE_BIP_GMAC_256: |
Johannes Berg | 30686bf | 2015-06-02 21:39:54 +0200 | [diff] [blame] | 2781 | WARN_ON_ONCE(!ieee80211_hw_check(hw, MFP_CAPABLE)); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2782 | break; |
| 2783 | case WLAN_CIPHER_SUITE_WEP40: |
| 2784 | case WLAN_CIPHER_SUITE_WEP104: |
Johannes Berg | ba3943b | 2014-11-12 23:54:48 +0100 | [diff] [blame] | 2785 | /* For non-client mode, only use WEP keys for TX as we probably |
| 2786 | * don't have a station yet anyway and would then have to keep |
| 2787 | * track of the keys, linking them to each of the clients/peers |
| 2788 | * as they appear. For now, don't do that, for performance WEP |
| 2789 | * offload doesn't really matter much, but we need it for some |
| 2790 | * other offload features in client mode. |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2791 | */ |
Johannes Berg | ba3943b | 2014-11-12 23:54:48 +0100 | [diff] [blame] | 2792 | if (vif->type != NL80211_IFTYPE_STATION) |
| 2793 | return 0; |
| 2794 | break; |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2795 | default: |
Max Stepanov | e36e543 | 2013-08-27 19:56:13 +0300 | [diff] [blame] | 2796 | /* currently FW supports only one optional cipher scheme */ |
| 2797 | if (hw->n_cipher_schemes && |
| 2798 | hw->cipher_schemes->cipher == key->cipher) |
| 2799 | key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE; |
| 2800 | else |
| 2801 | return -EOPNOTSUPP; |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2802 | } |
| 2803 | |
| 2804 | mutex_lock(&mvm->mutex); |
| 2805 | |
| 2806 | switch (cmd) { |
| 2807 | case SET_KEY: |
Johannes Berg | 5023d96 | 2013-07-31 14:07:43 +0200 | [diff] [blame] | 2808 | if ((vif->type == NL80211_IFTYPE_ADHOC || |
| 2809 | vif->type == NL80211_IFTYPE_AP) && !sta) { |
| 2810 | /* |
| 2811 | * GTK on AP interface is a TX-only key, return 0; |
| 2812 | * on IBSS they're per-station and because we're lazy |
| 2813 | * we don't support them for RX, so do the same. |
Ayala Beker | 8e160ab | 2016-04-11 11:37:38 +0300 | [diff] [blame] | 2814 | * CMAC/GMAC in AP/IBSS modes must be done in software. |
Johannes Berg | 5023d96 | 2013-07-31 14:07:43 +0200 | [diff] [blame] | 2815 | */ |
Ayala Beker | 8e160ab | 2016-04-11 11:37:38 +0300 | [diff] [blame] | 2816 | if (key->cipher == WLAN_CIPHER_SUITE_AES_CMAC || |
| 2817 | key->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_128 || |
| 2818 | key->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_256) |
Johannes Berg | 81279c4 | 2016-03-09 14:58:47 +0100 | [diff] [blame] | 2819 | ret = -EOPNOTSUPP; |
| 2820 | else |
| 2821 | ret = 0; |
Johannes Berg | 6caffd4 | 2013-03-06 13:15:21 +0100 | [diff] [blame] | 2822 | key->hw_key_idx = STA_KEY_IDX_INVALID; |
| 2823 | break; |
| 2824 | } |
| 2825 | |
Johannes Berg | b546dcd | 2015-04-20 17:31:10 +0200 | [diff] [blame] | 2826 | /* During FW restart, in order to restore the state as it was, |
| 2827 | * don't try to reprogram keys we previously failed for. |
| 2828 | */ |
| 2829 | if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) && |
| 2830 | key->hw_key_idx == STA_KEY_IDX_INVALID) { |
| 2831 | IWL_DEBUG_MAC80211(mvm, |
| 2832 | "skip invalid idx key programming during restart\n"); |
| 2833 | ret = 0; |
| 2834 | break; |
| 2835 | } |
| 2836 | |
Johannes Berg | f5e28ea | 2015-12-06 14:58:08 +0200 | [diff] [blame] | 2837 | if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) && |
| 2838 | sta && iwl_mvm_has_new_rx_api(mvm) && |
| 2839 | key->flags & IEEE80211_KEY_FLAG_PAIRWISE && |
| 2840 | (key->cipher == WLAN_CIPHER_SUITE_CCMP || |
Ayala Beker | 2a53d16 | 2016-04-07 16:21:57 +0300 | [diff] [blame] | 2841 | key->cipher == WLAN_CIPHER_SUITE_GCMP || |
| 2842 | key->cipher == WLAN_CIPHER_SUITE_GCMP_256)) { |
Johannes Berg | f5e28ea | 2015-12-06 14:58:08 +0200 | [diff] [blame] | 2843 | struct ieee80211_key_seq seq; |
| 2844 | int tid, q; |
| 2845 | |
| 2846 | mvmsta = iwl_mvm_sta_from_mac80211(sta); |
| 2847 | WARN_ON(rcu_access_pointer(mvmsta->ptk_pn[keyidx])); |
| 2848 | ptk_pn = kzalloc(sizeof(*ptk_pn) + |
| 2849 | mvm->trans->num_rx_queues * |
| 2850 | sizeof(ptk_pn->q[0]), |
| 2851 | GFP_KERNEL); |
| 2852 | if (!ptk_pn) { |
| 2853 | ret = -ENOMEM; |
| 2854 | break; |
| 2855 | } |
| 2856 | |
| 2857 | for (tid = 0; tid < IWL_MAX_TID_COUNT; tid++) { |
| 2858 | ieee80211_get_key_rx_seq(key, tid, &seq); |
| 2859 | for (q = 0; q < mvm->trans->num_rx_queues; q++) |
| 2860 | memcpy(ptk_pn->q[q].pn[tid], |
| 2861 | seq.ccmp.pn, |
| 2862 | IEEE80211_CCMP_PN_LEN); |
| 2863 | } |
| 2864 | |
| 2865 | rcu_assign_pointer(mvmsta->ptk_pn[keyidx], ptk_pn); |
| 2866 | } |
| 2867 | |
Luca Coelho | d6ee54a | 2015-11-10 22:13:43 +0200 | [diff] [blame] | 2868 | /* in HW restart reuse the index, otherwise request a new one */ |
| 2869 | if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) |
| 2870 | key_offset = key->hw_key_idx; |
| 2871 | else |
| 2872 | key_offset = STA_KEY_IDX_INVALID; |
| 2873 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2874 | IWL_DEBUG_MAC80211(mvm, "set hwcrypto key\n"); |
Luca Coelho | d6ee54a | 2015-11-10 22:13:43 +0200 | [diff] [blame] | 2875 | ret = iwl_mvm_set_sta_key(mvm, vif, sta, key, key_offset); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2876 | if (ret) { |
| 2877 | IWL_WARN(mvm, "set key failed\n"); |
| 2878 | /* |
| 2879 | * can't add key for RX, but we don't need it |
| 2880 | * in the device for TX so still return 0 |
| 2881 | */ |
Johannes Berg | 6caffd4 | 2013-03-06 13:15:21 +0100 | [diff] [blame] | 2882 | key->hw_key_idx = STA_KEY_IDX_INVALID; |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2883 | ret = 0; |
| 2884 | } |
| 2885 | |
| 2886 | break; |
| 2887 | case DISABLE_KEY: |
Johannes Berg | 6caffd4 | 2013-03-06 13:15:21 +0100 | [diff] [blame] | 2888 | if (key->hw_key_idx == STA_KEY_IDX_INVALID) { |
| 2889 | ret = 0; |
| 2890 | break; |
| 2891 | } |
| 2892 | |
Johannes Berg | f5e28ea | 2015-12-06 14:58:08 +0200 | [diff] [blame] | 2893 | if (sta && iwl_mvm_has_new_rx_api(mvm) && |
| 2894 | key->flags & IEEE80211_KEY_FLAG_PAIRWISE && |
| 2895 | (key->cipher == WLAN_CIPHER_SUITE_CCMP || |
Ayala Beker | 2a53d16 | 2016-04-07 16:21:57 +0300 | [diff] [blame] | 2896 | key->cipher == WLAN_CIPHER_SUITE_GCMP || |
| 2897 | key->cipher == WLAN_CIPHER_SUITE_GCMP_256)) { |
Johannes Berg | f5e28ea | 2015-12-06 14:58:08 +0200 | [diff] [blame] | 2898 | mvmsta = iwl_mvm_sta_from_mac80211(sta); |
| 2899 | ptk_pn = rcu_dereference_protected( |
| 2900 | mvmsta->ptk_pn[keyidx], |
| 2901 | lockdep_is_held(&mvm->mutex)); |
| 2902 | RCU_INIT_POINTER(mvmsta->ptk_pn[keyidx], NULL); |
| 2903 | if (ptk_pn) |
| 2904 | kfree_rcu(ptk_pn, rcu_head); |
| 2905 | } |
| 2906 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2907 | IWL_DEBUG_MAC80211(mvm, "disable hwcrypto key\n"); |
| 2908 | ret = iwl_mvm_remove_sta_key(mvm, vif, sta, key); |
| 2909 | break; |
| 2910 | default: |
| 2911 | ret = -EINVAL; |
| 2912 | } |
| 2913 | |
| 2914 | mutex_unlock(&mvm->mutex); |
| 2915 | return ret; |
| 2916 | } |
| 2917 | |
| 2918 | static void iwl_mvm_mac_update_tkip_key(struct ieee80211_hw *hw, |
| 2919 | struct ieee80211_vif *vif, |
| 2920 | struct ieee80211_key_conf *keyconf, |
| 2921 | struct ieee80211_sta *sta, |
| 2922 | u32 iv32, u16 *phase1key) |
| 2923 | { |
| 2924 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); |
| 2925 | |
Johannes Berg | 5023d96 | 2013-07-31 14:07:43 +0200 | [diff] [blame] | 2926 | if (keyconf->hw_key_idx == STA_KEY_IDX_INVALID) |
| 2927 | return; |
| 2928 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2929 | iwl_mvm_update_tkip_key(mvm, vif, keyconf, sta, iv32, phase1key); |
| 2930 | } |
| 2931 | |
| 2932 | |
Ariej Marjieh | b112889 | 2014-07-16 21:11:12 +0300 | [diff] [blame] | 2933 | static bool iwl_mvm_rx_aux_roc(struct iwl_notif_wait_data *notif_wait, |
| 2934 | struct iwl_rx_packet *pkt, void *data) |
| 2935 | { |
| 2936 | struct iwl_mvm *mvm = |
| 2937 | container_of(notif_wait, struct iwl_mvm, notif_wait); |
| 2938 | struct iwl_hs20_roc_res *resp; |
| 2939 | int resp_len = iwl_rx_packet_payload_len(pkt); |
| 2940 | struct iwl_mvm_time_event_data *te_data = data; |
| 2941 | |
| 2942 | if (WARN_ON(pkt->hdr.cmd != HOT_SPOT_CMD)) |
| 2943 | return true; |
| 2944 | |
| 2945 | if (WARN_ON_ONCE(resp_len != sizeof(*resp))) { |
| 2946 | IWL_ERR(mvm, "Invalid HOT_SPOT_CMD response\n"); |
| 2947 | return true; |
| 2948 | } |
| 2949 | |
| 2950 | resp = (void *)pkt->data; |
| 2951 | |
| 2952 | IWL_DEBUG_TE(mvm, |
| 2953 | "Aux ROC: Recieved response from ucode: status=%d uid=%d\n", |
| 2954 | resp->status, resp->event_unique_id); |
| 2955 | |
| 2956 | te_data->uid = le32_to_cpu(resp->event_unique_id); |
| 2957 | IWL_DEBUG_TE(mvm, "TIME_EVENT_CMD response - UID = 0x%x\n", |
| 2958 | te_data->uid); |
| 2959 | |
| 2960 | spin_lock_bh(&mvm->time_event_lock); |
| 2961 | list_add_tail(&te_data->list, &mvm->aux_roc_te_list); |
| 2962 | spin_unlock_bh(&mvm->time_event_lock); |
| 2963 | |
| 2964 | return true; |
| 2965 | } |
| 2966 | |
Matti Gottlieb | dc28e12 | 2015-11-22 10:08:56 +0200 | [diff] [blame] | 2967 | #define AUX_ROC_MIN_DURATION MSEC_TO_TU(100) |
| 2968 | #define AUX_ROC_MIN_DELAY MSEC_TO_TU(200) |
| 2969 | #define AUX_ROC_MAX_DELAY MSEC_TO_TU(600) |
| 2970 | #define AUX_ROC_SAFETY_BUFFER MSEC_TO_TU(20) |
| 2971 | #define AUX_ROC_MIN_SAFETY_BUFFER MSEC_TO_TU(10) |
Ariej Marjieh | b112889 | 2014-07-16 21:11:12 +0300 | [diff] [blame] | 2972 | static int iwl_mvm_send_aux_roc_cmd(struct iwl_mvm *mvm, |
| 2973 | struct ieee80211_channel *channel, |
| 2974 | struct ieee80211_vif *vif, |
| 2975 | int duration) |
| 2976 | { |
| 2977 | int res, time_reg = DEVICE_SYSTEM_TIME_REG; |
| 2978 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); |
| 2979 | struct iwl_mvm_time_event_data *te_data = &mvmvif->hs_time_event_data; |
Sara Sharon | 6eb031d | 2015-07-13 14:50:47 +0300 | [diff] [blame] | 2980 | static const u16 time_event_response[] = { HOT_SPOT_CMD }; |
Ariej Marjieh | b112889 | 2014-07-16 21:11:12 +0300 | [diff] [blame] | 2981 | struct iwl_notification_wait wait_time_event; |
Matti Gottlieb | dc28e12 | 2015-11-22 10:08:56 +0200 | [diff] [blame] | 2982 | u32 dtim_interval = vif->bss_conf.dtim_period * |
| 2983 | vif->bss_conf.beacon_int; |
| 2984 | u32 req_dur, delay; |
Ariej Marjieh | b112889 | 2014-07-16 21:11:12 +0300 | [diff] [blame] | 2985 | struct iwl_hs20_roc_req aux_roc_req = { |
| 2986 | .action = cpu_to_le32(FW_CTXT_ACTION_ADD), |
| 2987 | .id_and_color = |
| 2988 | cpu_to_le32(FW_CMD_ID_AND_COLOR(MAC_INDEX_AUX, 0)), |
| 2989 | .sta_id_and_color = cpu_to_le32(mvm->aux_sta.sta_id), |
| 2990 | /* Set the channel info data */ |
Johannes Berg | 57fbcce | 2016-04-12 15:56:15 +0200 | [diff] [blame] | 2991 | .channel_info.band = (channel->band == NL80211_BAND_2GHZ) ? |
Ariej Marjieh | b112889 | 2014-07-16 21:11:12 +0300 | [diff] [blame] | 2992 | PHY_BAND_24 : PHY_BAND_5, |
| 2993 | .channel_info.channel = channel->hw_value, |
| 2994 | .channel_info.width = PHY_VHT_CHANNEL_MODE20, |
| 2995 | /* Set the time and duration */ |
| 2996 | .apply_time = cpu_to_le32(iwl_read_prph(mvm->trans, time_reg)), |
Ariej Marjieh | b112889 | 2014-07-16 21:11:12 +0300 | [diff] [blame] | 2997 | }; |
| 2998 | |
Matti Gottlieb | dc28e12 | 2015-11-22 10:08:56 +0200 | [diff] [blame] | 2999 | delay = AUX_ROC_MIN_DELAY; |
| 3000 | req_dur = MSEC_TO_TU(duration); |
| 3001 | |
| 3002 | /* |
| 3003 | * If we are associated we want the delay time to be at least one |
| 3004 | * dtim interval so that the FW can wait until after the DTIM and |
| 3005 | * then start the time event, this will potentially allow us to |
| 3006 | * remain off-channel for the max duration. |
| 3007 | * Since we want to use almost a whole dtim interval we would also |
| 3008 | * like the delay to be for 2-3 dtim intervals, in case there are |
| 3009 | * other time events with higher priority. |
| 3010 | */ |
| 3011 | if (vif->bss_conf.assoc) { |
| 3012 | delay = min_t(u32, dtim_interval * 3, AUX_ROC_MAX_DELAY); |
| 3013 | /* We cannot remain off-channel longer than the DTIM interval */ |
| 3014 | if (dtim_interval <= req_dur) { |
| 3015 | req_dur = dtim_interval - AUX_ROC_SAFETY_BUFFER; |
| 3016 | if (req_dur <= AUX_ROC_MIN_DURATION) |
| 3017 | req_dur = dtim_interval - |
| 3018 | AUX_ROC_MIN_SAFETY_BUFFER; |
| 3019 | } |
| 3020 | } |
| 3021 | |
| 3022 | aux_roc_req.duration = cpu_to_le32(req_dur); |
| 3023 | aux_roc_req.apply_time_max_delay = cpu_to_le32(delay); |
| 3024 | |
| 3025 | IWL_DEBUG_TE(mvm, |
| 3026 | "ROC: Requesting to remain on channel %u for %ums (requested = %ums, max_delay = %ums, dtim_interval = %ums)\n", |
| 3027 | channel->hw_value, req_dur, duration, delay, |
| 3028 | dtim_interval); |
Ariej Marjieh | b112889 | 2014-07-16 21:11:12 +0300 | [diff] [blame] | 3029 | /* Set the node address */ |
| 3030 | memcpy(aux_roc_req.node_addr, vif->addr, ETH_ALEN); |
| 3031 | |
Matti Gottlieb | a6cc516 | 2014-09-29 11:46:04 +0300 | [diff] [blame] | 3032 | lockdep_assert_held(&mvm->mutex); |
| 3033 | |
| 3034 | spin_lock_bh(&mvm->time_event_lock); |
| 3035 | |
| 3036 | if (WARN_ON(te_data->id == HOT_SPOT_CMD)) { |
| 3037 | spin_unlock_bh(&mvm->time_event_lock); |
| 3038 | return -EIO; |
| 3039 | } |
| 3040 | |
Ariej Marjieh | b112889 | 2014-07-16 21:11:12 +0300 | [diff] [blame] | 3041 | te_data->vif = vif; |
| 3042 | te_data->duration = duration; |
| 3043 | te_data->id = HOT_SPOT_CMD; |
| 3044 | |
Ariej Marjieh | b112889 | 2014-07-16 21:11:12 +0300 | [diff] [blame] | 3045 | spin_unlock_bh(&mvm->time_event_lock); |
| 3046 | |
| 3047 | /* |
| 3048 | * Use a notification wait, which really just processes the |
| 3049 | * command response and doesn't wait for anything, in order |
| 3050 | * to be able to process the response and get the UID inside |
| 3051 | * the RX path. Using CMD_WANT_SKB doesn't work because it |
| 3052 | * stores the buffer and then wakes up this thread, by which |
| 3053 | * time another notification (that the time event started) |
| 3054 | * might already be processed unsuccessfully. |
| 3055 | */ |
| 3056 | iwl_init_notification_wait(&mvm->notif_wait, &wait_time_event, |
| 3057 | time_event_response, |
| 3058 | ARRAY_SIZE(time_event_response), |
| 3059 | iwl_mvm_rx_aux_roc, te_data); |
| 3060 | |
| 3061 | res = iwl_mvm_send_cmd_pdu(mvm, HOT_SPOT_CMD, 0, sizeof(aux_roc_req), |
| 3062 | &aux_roc_req); |
| 3063 | |
| 3064 | if (res) { |
| 3065 | IWL_ERR(mvm, "Couldn't send HOT_SPOT_CMD: %d\n", res); |
| 3066 | iwl_remove_notification(&mvm->notif_wait, &wait_time_event); |
| 3067 | goto out_clear_te; |
| 3068 | } |
| 3069 | |
| 3070 | /* No need to wait for anything, so just pass 1 (0 isn't valid) */ |
| 3071 | res = iwl_wait_notification(&mvm->notif_wait, &wait_time_event, 1); |
| 3072 | /* should never fail */ |
| 3073 | WARN_ON_ONCE(res); |
| 3074 | |
| 3075 | if (res) { |
| 3076 | out_clear_te: |
| 3077 | spin_lock_bh(&mvm->time_event_lock); |
| 3078 | iwl_mvm_te_clear_data(mvm, te_data); |
| 3079 | spin_unlock_bh(&mvm->time_event_lock); |
| 3080 | } |
| 3081 | |
| 3082 | return res; |
| 3083 | } |
| 3084 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 3085 | static int iwl_mvm_roc(struct ieee80211_hw *hw, |
| 3086 | struct ieee80211_vif *vif, |
| 3087 | struct ieee80211_channel *channel, |
Ilan Peer | d339d5c | 2013-02-12 09:34:13 +0200 | [diff] [blame] | 3088 | int duration, |
| 3089 | enum ieee80211_roc_type type) |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 3090 | { |
| 3091 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); |
Ilan Peer | fe0f2de | 2013-03-21 10:23:52 +0200 | [diff] [blame] | 3092 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 3093 | struct cfg80211_chan_def chandef; |
Ilan Peer | 31d385a | 2013-04-02 10:25:46 +0300 | [diff] [blame] | 3094 | struct iwl_mvm_phy_ctxt *phy_ctxt; |
| 3095 | int ret, i; |
| 3096 | |
| 3097 | IWL_DEBUG_MAC80211(mvm, "enter (%d, %d, %d)\n", channel->hw_value, |
| 3098 | duration, type); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 3099 | |
Matti Gottlieb | 6ed1316 | 2015-03-30 16:50:07 +0300 | [diff] [blame] | 3100 | flush_work(&mvm->roc_done_wk); |
| 3101 | |
Matti Gottlieb | a6cc516 | 2014-09-29 11:46:04 +0300 | [diff] [blame] | 3102 | mutex_lock(&mvm->mutex); |
| 3103 | |
Ariej Marjieh | b112889 | 2014-07-16 21:11:12 +0300 | [diff] [blame] | 3104 | switch (vif->type) { |
| 3105 | case NL80211_IFTYPE_STATION: |
Johannes Berg | 859d914 | 2015-06-01 17:11:11 +0200 | [diff] [blame] | 3106 | if (fw_has_capa(&mvm->fw->ucode_capa, |
| 3107 | IWL_UCODE_TLV_CAPA_HOTSPOT_SUPPORT)) { |
Luciano Coelho | 5ac6c72 | 2014-10-21 16:12:18 +0300 | [diff] [blame] | 3108 | /* Use aux roc framework (HS20) */ |
| 3109 | ret = iwl_mvm_send_aux_roc_cmd(mvm, channel, |
| 3110 | vif, duration); |
| 3111 | goto out_unlock; |
| 3112 | } |
| 3113 | IWL_ERR(mvm, "hotspot not supported\n"); |
| 3114 | ret = -EINVAL; |
Matti Gottlieb | a6cc516 | 2014-09-29 11:46:04 +0300 | [diff] [blame] | 3115 | goto out_unlock; |
Ariej Marjieh | b112889 | 2014-07-16 21:11:12 +0300 | [diff] [blame] | 3116 | case NL80211_IFTYPE_P2P_DEVICE: |
| 3117 | /* handle below */ |
| 3118 | break; |
| 3119 | default: |
| 3120 | IWL_ERR(mvm, "vif isn't P2P_DEVICE: %d\n", vif->type); |
Matti Gottlieb | a6cc516 | 2014-09-29 11:46:04 +0300 | [diff] [blame] | 3121 | ret = -EINVAL; |
| 3122 | goto out_unlock; |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 3123 | } |
| 3124 | |
Ilan Peer | 31d385a | 2013-04-02 10:25:46 +0300 | [diff] [blame] | 3125 | for (i = 0; i < NUM_PHY_CTX; i++) { |
| 3126 | phy_ctxt = &mvm->phy_ctxts[i]; |
| 3127 | if (phy_ctxt->ref == 0 || mvmvif->phy_ctxt == phy_ctxt) |
| 3128 | continue; |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 3129 | |
Ilan Peer | 31d385a | 2013-04-02 10:25:46 +0300 | [diff] [blame] | 3130 | if (phy_ctxt->ref && channel == phy_ctxt->channel) { |
| 3131 | /* |
| 3132 | * Unbind the P2P_DEVICE from the current PHY context, |
| 3133 | * and if the PHY context is not used remove it. |
| 3134 | */ |
| 3135 | ret = iwl_mvm_binding_remove_vif(mvm, vif); |
| 3136 | if (WARN(ret, "Failed unbinding P2P_DEVICE\n")) |
| 3137 | goto out_unlock; |
| 3138 | |
| 3139 | iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt); |
| 3140 | |
| 3141 | /* Bind the P2P_DEVICE to the current PHY Context */ |
| 3142 | mvmvif->phy_ctxt = phy_ctxt; |
| 3143 | |
| 3144 | ret = iwl_mvm_binding_add_vif(mvm, vif); |
| 3145 | if (WARN(ret, "Failed binding P2P_DEVICE\n")) |
| 3146 | goto out_unlock; |
| 3147 | |
| 3148 | iwl_mvm_phy_ctxt_ref(mvm, mvmvif->phy_ctxt); |
| 3149 | goto schedule_time_event; |
| 3150 | } |
| 3151 | } |
| 3152 | |
| 3153 | /* Need to update the PHY context only if the ROC channel changed */ |
| 3154 | if (channel == mvmvif->phy_ctxt->channel) |
| 3155 | goto schedule_time_event; |
| 3156 | |
| 3157 | cfg80211_chandef_create(&chandef, channel, NL80211_CHAN_NO_HT); |
| 3158 | |
| 3159 | /* |
| 3160 | * Change the PHY context configuration as it is currently referenced |
| 3161 | * only by the P2P Device MAC |
| 3162 | */ |
| 3163 | if (mvmvif->phy_ctxt->ref == 1) { |
| 3164 | ret = iwl_mvm_phy_ctxt_changed(mvm, mvmvif->phy_ctxt, |
| 3165 | &chandef, 1, 1); |
| 3166 | if (ret) |
| 3167 | goto out_unlock; |
| 3168 | } else { |
| 3169 | /* |
| 3170 | * The PHY context is shared with other MACs. Need to remove the |
| 3171 | * P2P Device from the binding, allocate an new PHY context and |
| 3172 | * create a new binding |
| 3173 | */ |
| 3174 | phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm); |
| 3175 | if (!phy_ctxt) { |
| 3176 | ret = -ENOSPC; |
| 3177 | goto out_unlock; |
| 3178 | } |
| 3179 | |
| 3180 | ret = iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, &chandef, |
| 3181 | 1, 1); |
| 3182 | if (ret) { |
| 3183 | IWL_ERR(mvm, "Failed to change PHY context\n"); |
| 3184 | goto out_unlock; |
| 3185 | } |
| 3186 | |
| 3187 | /* Unbind the P2P_DEVICE from the current PHY context */ |
| 3188 | ret = iwl_mvm_binding_remove_vif(mvm, vif); |
| 3189 | if (WARN(ret, "Failed unbinding P2P_DEVICE\n")) |
| 3190 | goto out_unlock; |
| 3191 | |
| 3192 | iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt); |
| 3193 | |
| 3194 | /* Bind the P2P_DEVICE to the new allocated PHY context */ |
| 3195 | mvmvif->phy_ctxt = phy_ctxt; |
| 3196 | |
| 3197 | ret = iwl_mvm_binding_add_vif(mvm, vif); |
| 3198 | if (WARN(ret, "Failed binding P2P_DEVICE\n")) |
| 3199 | goto out_unlock; |
| 3200 | |
| 3201 | iwl_mvm_phy_ctxt_ref(mvm, mvmvif->phy_ctxt); |
| 3202 | } |
| 3203 | |
| 3204 | schedule_time_event: |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 3205 | /* Schedule the time events */ |
Ilan Peer | e635c79 | 2013-02-13 11:05:18 +0200 | [diff] [blame] | 3206 | ret = iwl_mvm_start_p2p_roc(mvm, vif, duration, type); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 3207 | |
Ilan Peer | 31d385a | 2013-04-02 10:25:46 +0300 | [diff] [blame] | 3208 | out_unlock: |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 3209 | mutex_unlock(&mvm->mutex); |
| 3210 | IWL_DEBUG_MAC80211(mvm, "leave\n"); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 3211 | return ret; |
| 3212 | } |
| 3213 | |
| 3214 | static int iwl_mvm_cancel_roc(struct ieee80211_hw *hw) |
| 3215 | { |
| 3216 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); |
| 3217 | |
| 3218 | IWL_DEBUG_MAC80211(mvm, "enter\n"); |
| 3219 | |
| 3220 | mutex_lock(&mvm->mutex); |
Matti Gottlieb | bf5da87 | 2014-11-16 10:25:12 +0200 | [diff] [blame] | 3221 | iwl_mvm_stop_roc(mvm); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 3222 | mutex_unlock(&mvm->mutex); |
| 3223 | |
| 3224 | IWL_DEBUG_MAC80211(mvm, "leave\n"); |
| 3225 | return 0; |
| 3226 | } |
| 3227 | |
Luciano Coelho | b08c1d9 | 2014-05-20 23:31:05 +0300 | [diff] [blame] | 3228 | static int __iwl_mvm_add_chanctx(struct iwl_mvm *mvm, |
| 3229 | struct ieee80211_chanctx_conf *ctx) |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 3230 | { |
Ilan Peer | fe0f2de | 2013-03-21 10:23:52 +0200 | [diff] [blame] | 3231 | u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; |
| 3232 | struct iwl_mvm_phy_ctxt *phy_ctxt; |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 3233 | int ret; |
| 3234 | |
Luciano Coelho | b08c1d9 | 2014-05-20 23:31:05 +0300 | [diff] [blame] | 3235 | lockdep_assert_held(&mvm->mutex); |
| 3236 | |
Ilan Peer | 53a9d61 | 2013-04-28 11:55:08 +0300 | [diff] [blame] | 3237 | IWL_DEBUG_MAC80211(mvm, "Add channel context\n"); |
Ilan Peer | fe0f2de | 2013-03-21 10:23:52 +0200 | [diff] [blame] | 3238 | |
Ilan Peer | fe0f2de | 2013-03-21 10:23:52 +0200 | [diff] [blame] | 3239 | phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm); |
| 3240 | if (!phy_ctxt) { |
| 3241 | ret = -ENOSPC; |
| 3242 | goto out; |
| 3243 | } |
| 3244 | |
Eliad Peller | dcbc3e1 | 2013-10-31 14:31:25 +0200 | [diff] [blame] | 3245 | ret = iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, &ctx->min_def, |
Ilan Peer | 53a9d61 | 2013-04-28 11:55:08 +0300 | [diff] [blame] | 3246 | ctx->rx_chains_static, |
| 3247 | ctx->rx_chains_dynamic); |
Ilan Peer | fe0f2de | 2013-03-21 10:23:52 +0200 | [diff] [blame] | 3248 | if (ret) { |
| 3249 | IWL_ERR(mvm, "Failed to add PHY context\n"); |
| 3250 | goto out; |
| 3251 | } |
| 3252 | |
Ilan Peer | 53a9d61 | 2013-04-28 11:55:08 +0300 | [diff] [blame] | 3253 | iwl_mvm_phy_ctxt_ref(mvm, phy_ctxt); |
Ilan Peer | fe0f2de | 2013-03-21 10:23:52 +0200 | [diff] [blame] | 3254 | *phy_ctxt_id = phy_ctxt->id; |
| 3255 | out: |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 3256 | return ret; |
| 3257 | } |
| 3258 | |
Luciano Coelho | b08c1d9 | 2014-05-20 23:31:05 +0300 | [diff] [blame] | 3259 | static int iwl_mvm_add_chanctx(struct ieee80211_hw *hw, |
| 3260 | struct ieee80211_chanctx_conf *ctx) |
| 3261 | { |
| 3262 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); |
| 3263 | int ret; |
| 3264 | |
| 3265 | mutex_lock(&mvm->mutex); |
| 3266 | ret = __iwl_mvm_add_chanctx(mvm, ctx); |
| 3267 | mutex_unlock(&mvm->mutex); |
| 3268 | |
| 3269 | return ret; |
| 3270 | } |
| 3271 | |
| 3272 | static void __iwl_mvm_remove_chanctx(struct iwl_mvm *mvm, |
| 3273 | struct ieee80211_chanctx_conf *ctx) |
| 3274 | { |
| 3275 | u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; |
| 3276 | struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id]; |
| 3277 | |
| 3278 | lockdep_assert_held(&mvm->mutex); |
| 3279 | |
| 3280 | iwl_mvm_phy_ctxt_unref(mvm, phy_ctxt); |
| 3281 | } |
| 3282 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 3283 | static void iwl_mvm_remove_chanctx(struct ieee80211_hw *hw, |
| 3284 | struct ieee80211_chanctx_conf *ctx) |
| 3285 | { |
| 3286 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 3287 | |
| 3288 | mutex_lock(&mvm->mutex); |
Luciano Coelho | b08c1d9 | 2014-05-20 23:31:05 +0300 | [diff] [blame] | 3289 | __iwl_mvm_remove_chanctx(mvm, ctx); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 3290 | mutex_unlock(&mvm->mutex); |
| 3291 | } |
| 3292 | |
| 3293 | static void iwl_mvm_change_chanctx(struct ieee80211_hw *hw, |
| 3294 | struct ieee80211_chanctx_conf *ctx, |
| 3295 | u32 changed) |
| 3296 | { |
| 3297 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); |
Ilan Peer | fe0f2de | 2013-03-21 10:23:52 +0200 | [diff] [blame] | 3298 | u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; |
| 3299 | struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id]; |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 3300 | |
Ilan Peer | 31d385a | 2013-04-02 10:25:46 +0300 | [diff] [blame] | 3301 | if (WARN_ONCE((phy_ctxt->ref > 1) && |
| 3302 | (changed & ~(IEEE80211_CHANCTX_CHANGE_WIDTH | |
| 3303 | IEEE80211_CHANCTX_CHANGE_RX_CHAINS | |
Arik Nemtsov | 2dceeda | 2013-12-29 17:57:53 +0200 | [diff] [blame] | 3304 | IEEE80211_CHANCTX_CHANGE_RADAR | |
| 3305 | IEEE80211_CHANCTX_CHANGE_MIN_WIDTH)), |
Ilan Peer | 31d385a | 2013-04-02 10:25:46 +0300 | [diff] [blame] | 3306 | "Cannot change PHY. Ref=%d, changed=0x%X\n", |
| 3307 | phy_ctxt->ref, changed)) |
| 3308 | return; |
| 3309 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 3310 | mutex_lock(&mvm->mutex); |
Emmanuel Grumbach | 4d66449 | 2014-04-30 18:09:59 +0300 | [diff] [blame] | 3311 | iwl_mvm_bt_coex_vif_change(mvm); |
Eliad Peller | dcbc3e1 | 2013-10-31 14:31:25 +0200 | [diff] [blame] | 3312 | iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, &ctx->min_def, |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 3313 | ctx->rx_chains_static, |
| 3314 | ctx->rx_chains_dynamic); |
| 3315 | mutex_unlock(&mvm->mutex); |
| 3316 | } |
| 3317 | |
Luciano Coelho | b08c1d9 | 2014-05-20 23:31:05 +0300 | [diff] [blame] | 3318 | static int __iwl_mvm_assign_vif_chanctx(struct iwl_mvm *mvm, |
| 3319 | struct ieee80211_vif *vif, |
Luciano Coelho | f0c9778 | 2014-03-05 15:41:48 +0200 | [diff] [blame] | 3320 | struct ieee80211_chanctx_conf *ctx, |
| 3321 | bool switching_chanctx) |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 3322 | { |
Ilan Peer | fe0f2de | 2013-03-21 10:23:52 +0200 | [diff] [blame] | 3323 | u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; |
| 3324 | struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id]; |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 3325 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); |
| 3326 | int ret; |
| 3327 | |
Luciano Coelho | b08c1d9 | 2014-05-20 23:31:05 +0300 | [diff] [blame] | 3328 | lockdep_assert_held(&mvm->mutex); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 3329 | |
Ilan Peer | fe0f2de | 2013-03-21 10:23:52 +0200 | [diff] [blame] | 3330 | mvmvif->phy_ctxt = phy_ctxt; |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 3331 | |
| 3332 | switch (vif->type) { |
| 3333 | case NL80211_IFTYPE_AP: |
Luciano Coelho | 4741dd0 | 2014-11-10 11:10:13 +0200 | [diff] [blame] | 3334 | /* only needed if we're switching chanctx (i.e. during CSA) */ |
| 3335 | if (switching_chanctx) { |
Andrei Otcheretianski | bd3398e | 2013-10-22 05:01:12 +0200 | [diff] [blame] | 3336 | mvmvif->ap_ibss_active = true; |
| 3337 | break; |
| 3338 | } |
Johannes Berg | 5023d96 | 2013-07-31 14:07:43 +0200 | [diff] [blame] | 3339 | case NL80211_IFTYPE_ADHOC: |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 3340 | /* |
| 3341 | * The AP binding flow is handled as part of the start_ap flow |
Johannes Berg | 5023d96 | 2013-07-31 14:07:43 +0200 | [diff] [blame] | 3342 | * (in bss_info_changed), similarly for IBSS. |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 3343 | */ |
| 3344 | ret = 0; |
Luciano Coelho | b08c1d9 | 2014-05-20 23:31:05 +0300 | [diff] [blame] | 3345 | goto out; |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 3346 | case NL80211_IFTYPE_STATION: |
Luciano Coelho | 2533edc | 2014-08-08 19:50:46 +0300 | [diff] [blame] | 3347 | break; |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 3348 | case NL80211_IFTYPE_MONITOR: |
Luciano Coelho | 2533edc | 2014-08-08 19:50:46 +0300 | [diff] [blame] | 3349 | /* always disable PS when a monitor interface is active */ |
| 3350 | mvmvif->ps_disabled = true; |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 3351 | break; |
| 3352 | default: |
| 3353 | ret = -EINVAL; |
Luciano Coelho | b08c1d9 | 2014-05-20 23:31:05 +0300 | [diff] [blame] | 3354 | goto out; |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 3355 | } |
| 3356 | |
| 3357 | ret = iwl_mvm_binding_add_vif(mvm, vif); |
| 3358 | if (ret) |
Luciano Coelho | b08c1d9 | 2014-05-20 23:31:05 +0300 | [diff] [blame] | 3359 | goto out; |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 3360 | |
| 3361 | /* |
Alexander Bondar | 92d8556 | 2013-10-23 11:50:34 +0200 | [diff] [blame] | 3362 | * Power state must be updated before quotas, |
| 3363 | * otherwise fw will complain. |
| 3364 | */ |
Arik Nemtsov | 999609f | 2014-05-15 17:31:51 +0300 | [diff] [blame] | 3365 | iwl_mvm_power_update_mac(mvm); |
Alexander Bondar | 92d8556 | 2013-10-23 11:50:34 +0200 | [diff] [blame] | 3366 | |
| 3367 | /* Setting the quota at this stage is only required for monitor |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 3368 | * interfaces. For the other types, the bss_info changed flow |
| 3369 | * will handle quota settings. |
| 3370 | */ |
| 3371 | if (vif->type == NL80211_IFTYPE_MONITOR) { |
Ilan Peer | 1e1391c | 2013-03-13 14:52:04 +0200 | [diff] [blame] | 3372 | mvmvif->monitor_active = true; |
Emmanuel Grumbach | 7754ae7 | 2015-02-26 15:14:35 +0200 | [diff] [blame] | 3373 | ret = iwl_mvm_update_quotas(mvm, false, NULL); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 3374 | if (ret) |
| 3375 | goto out_remove_binding; |
Chaya Rachel Ivgi | 0e39eb0 | 2015-12-03 15:51:46 +0200 | [diff] [blame] | 3376 | |
| 3377 | ret = iwl_mvm_add_snif_sta(mvm, vif); |
| 3378 | if (ret) |
| 3379 | goto out_remove_binding; |
| 3380 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 3381 | } |
| 3382 | |
Andrei Otcheretianski | bd3398e | 2013-10-22 05:01:12 +0200 | [diff] [blame] | 3383 | /* Handle binding during CSA */ |
Luciano Coelho | a57c688 | 2014-11-10 11:10:16 +0200 | [diff] [blame] | 3384 | if (vif->type == NL80211_IFTYPE_AP) { |
Emmanuel Grumbach | 7754ae7 | 2015-02-26 15:14:35 +0200 | [diff] [blame] | 3385 | iwl_mvm_update_quotas(mvm, false, NULL); |
Johannes Berg | 3dfd3a9 | 2014-08-11 21:37:30 +0200 | [diff] [blame] | 3386 | iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); |
Andrei Otcheretianski | bd3398e | 2013-10-22 05:01:12 +0200 | [diff] [blame] | 3387 | } |
| 3388 | |
Luciano Coelho | 4741dd0 | 2014-11-10 11:10:13 +0200 | [diff] [blame] | 3389 | if (switching_chanctx && vif->type == NL80211_IFTYPE_STATION) { |
Luciano Coelho | 686e7fe | 2014-11-10 11:10:21 +0200 | [diff] [blame] | 3390 | u32 duration = 2 * vif->bss_conf.beacon_int; |
| 3391 | |
| 3392 | /* iwl_mvm_protect_session() reads directly from the |
| 3393 | * device (the system time), so make sure it is |
| 3394 | * available. |
| 3395 | */ |
| 3396 | ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PROTECT_CSA); |
| 3397 | if (ret) |
| 3398 | goto out_remove_binding; |
| 3399 | |
| 3400 | /* Protect the session to make sure we hear the first |
| 3401 | * beacon on the new channel. |
| 3402 | */ |
| 3403 | iwl_mvm_protect_session(mvm, vif, duration, duration, |
| 3404 | vif->bss_conf.beacon_int / 2, |
| 3405 | true); |
| 3406 | |
| 3407 | iwl_mvm_unref(mvm, IWL_MVM_REF_PROTECT_CSA); |
| 3408 | |
Emmanuel Grumbach | 7754ae7 | 2015-02-26 15:14:35 +0200 | [diff] [blame] | 3409 | iwl_mvm_update_quotas(mvm, false, NULL); |
Luciano Coelho | 0ce04ce | 2014-05-08 16:03:39 +0300 | [diff] [blame] | 3410 | } |
| 3411 | |
Luciano Coelho | b08c1d9 | 2014-05-20 23:31:05 +0300 | [diff] [blame] | 3412 | goto out; |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 3413 | |
Luciano Coelho | b08c1d9 | 2014-05-20 23:31:05 +0300 | [diff] [blame] | 3414 | out_remove_binding: |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 3415 | iwl_mvm_binding_remove_vif(mvm, vif); |
Arik Nemtsov | 999609f | 2014-05-15 17:31:51 +0300 | [diff] [blame] | 3416 | iwl_mvm_power_update_mac(mvm); |
Luciano Coelho | b08c1d9 | 2014-05-20 23:31:05 +0300 | [diff] [blame] | 3417 | out: |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 3418 | if (ret) |
| 3419 | mvmvif->phy_ctxt = NULL; |
| 3420 | return ret; |
| 3421 | } |
Luciano Coelho | b08c1d9 | 2014-05-20 23:31:05 +0300 | [diff] [blame] | 3422 | static int iwl_mvm_assign_vif_chanctx(struct ieee80211_hw *hw, |
| 3423 | struct ieee80211_vif *vif, |
| 3424 | struct ieee80211_chanctx_conf *ctx) |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 3425 | { |
| 3426 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); |
Luciano Coelho | b08c1d9 | 2014-05-20 23:31:05 +0300 | [diff] [blame] | 3427 | int ret; |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 3428 | |
| 3429 | mutex_lock(&mvm->mutex); |
Luciano Coelho | f0c9778 | 2014-03-05 15:41:48 +0200 | [diff] [blame] | 3430 | ret = __iwl_mvm_assign_vif_chanctx(mvm, vif, ctx, false); |
Luciano Coelho | b08c1d9 | 2014-05-20 23:31:05 +0300 | [diff] [blame] | 3431 | mutex_unlock(&mvm->mutex); |
| 3432 | |
| 3433 | return ret; |
| 3434 | } |
| 3435 | |
| 3436 | static void __iwl_mvm_unassign_vif_chanctx(struct iwl_mvm *mvm, |
| 3437 | struct ieee80211_vif *vif, |
Luciano Coelho | f0c9778 | 2014-03-05 15:41:48 +0200 | [diff] [blame] | 3438 | struct ieee80211_chanctx_conf *ctx, |
| 3439 | bool switching_chanctx) |
Luciano Coelho | b08c1d9 | 2014-05-20 23:31:05 +0300 | [diff] [blame] | 3440 | { |
| 3441 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); |
Luciano Coelho | f0c9778 | 2014-03-05 15:41:48 +0200 | [diff] [blame] | 3442 | struct ieee80211_vif *disabled_vif = NULL; |
Luciano Coelho | b08c1d9 | 2014-05-20 23:31:05 +0300 | [diff] [blame] | 3443 | |
| 3444 | lockdep_assert_held(&mvm->mutex); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 3445 | |
| 3446 | iwl_mvm_remove_time_event(mvm, mvmvif, &mvmvif->time_event_data); |
| 3447 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 3448 | switch (vif->type) { |
Johannes Berg | 5023d96 | 2013-07-31 14:07:43 +0200 | [diff] [blame] | 3449 | case NL80211_IFTYPE_ADHOC: |
Luciano Coelho | b08c1d9 | 2014-05-20 23:31:05 +0300 | [diff] [blame] | 3450 | goto out; |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 3451 | case NL80211_IFTYPE_MONITOR: |
Ilan Peer | 1e1391c | 2013-03-13 14:52:04 +0200 | [diff] [blame] | 3452 | mvmvif->monitor_active = false; |
Luciano Coelho | 2533edc | 2014-08-08 19:50:46 +0300 | [diff] [blame] | 3453 | mvmvif->ps_disabled = false; |
Chaya Rachel Ivgi | 0e39eb0 | 2015-12-03 15:51:46 +0200 | [diff] [blame] | 3454 | iwl_mvm_rm_snif_sta(mvm, vif); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 3455 | break; |
Andrei Otcheretianski | bd3398e | 2013-10-22 05:01:12 +0200 | [diff] [blame] | 3456 | case NL80211_IFTYPE_AP: |
| 3457 | /* This part is triggered only during CSA */ |
Luciano Coelho | 4741dd0 | 2014-11-10 11:10:13 +0200 | [diff] [blame] | 3458 | if (!switching_chanctx || !mvmvif->ap_ibss_active) |
Luciano Coelho | b08c1d9 | 2014-05-20 23:31:05 +0300 | [diff] [blame] | 3459 | goto out; |
Andrei Otcheretianski | bd3398e | 2013-10-22 05:01:12 +0200 | [diff] [blame] | 3460 | |
Andrei Otcheretianski | 7ef0aab | 2014-11-10 11:10:11 +0200 | [diff] [blame] | 3461 | mvmvif->csa_countdown = false; |
| 3462 | |
Andrei Otcheretianski | 003e5236 | 2014-05-25 17:24:22 +0300 | [diff] [blame] | 3463 | /* Set CS bit on all the stations */ |
| 3464 | iwl_mvm_modify_all_sta_disable_tx(mvm, mvmvif, true); |
| 3465 | |
| 3466 | /* Save blocked iface, the timeout is set on the next beacon */ |
| 3467 | rcu_assign_pointer(mvm->csa_tx_blocked_vif, vif); |
| 3468 | |
Andrei Otcheretianski | bd3398e | 2013-10-22 05:01:12 +0200 | [diff] [blame] | 3469 | mvmvif->ap_ibss_active = false; |
Luciano Coelho | f0c9778 | 2014-03-05 15:41:48 +0200 | [diff] [blame] | 3470 | break; |
| 3471 | case NL80211_IFTYPE_STATION: |
| 3472 | if (!switching_chanctx) |
| 3473 | break; |
| 3474 | |
| 3475 | disabled_vif = vif; |
| 3476 | |
Johannes Berg | 3dfd3a9 | 2014-08-11 21:37:30 +0200 | [diff] [blame] | 3477 | iwl_mvm_mac_ctxt_changed(mvm, vif, true, NULL); |
Luciano Coelho | f0c9778 | 2014-03-05 15:41:48 +0200 | [diff] [blame] | 3478 | break; |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 3479 | default: |
| 3480 | break; |
| 3481 | } |
| 3482 | |
Emmanuel Grumbach | 7754ae7 | 2015-02-26 15:14:35 +0200 | [diff] [blame] | 3483 | iwl_mvm_update_quotas(mvm, false, disabled_vif); |
Ilan Peer | 1e1391c | 2013-03-13 14:52:04 +0200 | [diff] [blame] | 3484 | iwl_mvm_binding_remove_vif(mvm, vif); |
Alexander Bondar | 1c2abf7 | 2013-08-27 20:31:48 +0300 | [diff] [blame] | 3485 | |
Luciano Coelho | b08c1d9 | 2014-05-20 23:31:05 +0300 | [diff] [blame] | 3486 | out: |
Ilan Peer | a11e144 | 2013-12-31 21:19:55 +0200 | [diff] [blame] | 3487 | mvmvif->phy_ctxt = NULL; |
Arik Nemtsov | 999609f | 2014-05-15 17:31:51 +0300 | [diff] [blame] | 3488 | iwl_mvm_power_update_mac(mvm); |
Luciano Coelho | b08c1d9 | 2014-05-20 23:31:05 +0300 | [diff] [blame] | 3489 | } |
| 3490 | |
| 3491 | static void iwl_mvm_unassign_vif_chanctx(struct ieee80211_hw *hw, |
| 3492 | struct ieee80211_vif *vif, |
| 3493 | struct ieee80211_chanctx_conf *ctx) |
| 3494 | { |
| 3495 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); |
| 3496 | |
| 3497 | mutex_lock(&mvm->mutex); |
Luciano Coelho | f0c9778 | 2014-03-05 15:41:48 +0200 | [diff] [blame] | 3498 | __iwl_mvm_unassign_vif_chanctx(mvm, vif, ctx, false); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 3499 | mutex_unlock(&mvm->mutex); |
| 3500 | } |
| 3501 | |
Luciano Coelho | 50cc957 | 2014-11-10 11:10:08 +0200 | [diff] [blame] | 3502 | static int |
| 3503 | iwl_mvm_switch_vif_chanctx_swap(struct iwl_mvm *mvm, |
| 3504 | struct ieee80211_vif_chanctx_switch *vifs) |
Luciano Coelho | b08c1d9 | 2014-05-20 23:31:05 +0300 | [diff] [blame] | 3505 | { |
Luciano Coelho | b08c1d9 | 2014-05-20 23:31:05 +0300 | [diff] [blame] | 3506 | int ret; |
| 3507 | |
Luciano Coelho | b08c1d9 | 2014-05-20 23:31:05 +0300 | [diff] [blame] | 3508 | mutex_lock(&mvm->mutex); |
Luciano Coelho | f0c9778 | 2014-03-05 15:41:48 +0200 | [diff] [blame] | 3509 | __iwl_mvm_unassign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx, true); |
Luciano Coelho | b08c1d9 | 2014-05-20 23:31:05 +0300 | [diff] [blame] | 3510 | __iwl_mvm_remove_chanctx(mvm, vifs[0].old_ctx); |
| 3511 | |
| 3512 | ret = __iwl_mvm_add_chanctx(mvm, vifs[0].new_ctx); |
| 3513 | if (ret) { |
| 3514 | IWL_ERR(mvm, "failed to add new_ctx during channel switch\n"); |
| 3515 | goto out_reassign; |
| 3516 | } |
| 3517 | |
Luciano Coelho | f0c9778 | 2014-03-05 15:41:48 +0200 | [diff] [blame] | 3518 | ret = __iwl_mvm_assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].new_ctx, |
| 3519 | true); |
Luciano Coelho | b08c1d9 | 2014-05-20 23:31:05 +0300 | [diff] [blame] | 3520 | if (ret) { |
| 3521 | IWL_ERR(mvm, |
| 3522 | "failed to assign new_ctx during channel switch\n"); |
| 3523 | goto out_remove; |
| 3524 | } |
| 3525 | |
Arik Nemtsov | f697267 | 2014-06-15 16:03:55 +0300 | [diff] [blame] | 3526 | /* we don't support TDLS during DCM - can be caused by channel switch */ |
| 3527 | if (iwl_mvm_phy_ctx_count(mvm) > 1) |
| 3528 | iwl_mvm_teardown_tdls_peers(mvm); |
| 3529 | |
Luciano Coelho | b08c1d9 | 2014-05-20 23:31:05 +0300 | [diff] [blame] | 3530 | goto out; |
| 3531 | |
| 3532 | out_remove: |
| 3533 | __iwl_mvm_remove_chanctx(mvm, vifs[0].new_ctx); |
| 3534 | |
| 3535 | out_reassign: |
Luciano Coelho | 6fd1fb6 | 2014-11-10 11:10:10 +0200 | [diff] [blame] | 3536 | if (__iwl_mvm_add_chanctx(mvm, vifs[0].old_ctx)) { |
Luciano Coelho | b08c1d9 | 2014-05-20 23:31:05 +0300 | [diff] [blame] | 3537 | IWL_ERR(mvm, "failed to add old_ctx back after failure.\n"); |
| 3538 | goto out_restart; |
| 3539 | } |
| 3540 | |
Luciano Coelho | 6fd1fb6 | 2014-11-10 11:10:10 +0200 | [diff] [blame] | 3541 | if (__iwl_mvm_assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx, |
| 3542 | true)) { |
Luciano Coelho | b08c1d9 | 2014-05-20 23:31:05 +0300 | [diff] [blame] | 3543 | IWL_ERR(mvm, "failed to reassign old_ctx after failure.\n"); |
| 3544 | goto out_restart; |
| 3545 | } |
| 3546 | |
| 3547 | goto out; |
| 3548 | |
| 3549 | out_restart: |
| 3550 | /* things keep failing, better restart the hw */ |
| 3551 | iwl_mvm_nic_restart(mvm, false); |
| 3552 | |
| 3553 | out: |
| 3554 | mutex_unlock(&mvm->mutex); |
Luciano Coelho | 50cc957 | 2014-11-10 11:10:08 +0200 | [diff] [blame] | 3555 | |
| 3556 | return ret; |
| 3557 | } |
| 3558 | |
Luciano Coelho | 48a256e | 2014-11-10 11:10:09 +0200 | [diff] [blame] | 3559 | static int |
| 3560 | iwl_mvm_switch_vif_chanctx_reassign(struct iwl_mvm *mvm, |
| 3561 | struct ieee80211_vif_chanctx_switch *vifs) |
| 3562 | { |
| 3563 | int ret; |
| 3564 | |
| 3565 | mutex_lock(&mvm->mutex); |
| 3566 | __iwl_mvm_unassign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx, true); |
| 3567 | |
| 3568 | ret = __iwl_mvm_assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].new_ctx, |
| 3569 | true); |
| 3570 | if (ret) { |
| 3571 | IWL_ERR(mvm, |
| 3572 | "failed to assign new_ctx during channel switch\n"); |
| 3573 | goto out_reassign; |
| 3574 | } |
| 3575 | |
| 3576 | goto out; |
| 3577 | |
| 3578 | out_reassign: |
| 3579 | if (__iwl_mvm_assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx, |
| 3580 | true)) { |
| 3581 | IWL_ERR(mvm, "failed to reassign old_ctx after failure.\n"); |
| 3582 | goto out_restart; |
| 3583 | } |
| 3584 | |
| 3585 | goto out; |
| 3586 | |
| 3587 | out_restart: |
| 3588 | /* things keep failing, better restart the hw */ |
| 3589 | iwl_mvm_nic_restart(mvm, false); |
| 3590 | |
| 3591 | out: |
| 3592 | mutex_unlock(&mvm->mutex); |
| 3593 | |
| 3594 | return ret; |
| 3595 | } |
| 3596 | |
Luciano Coelho | 50cc957 | 2014-11-10 11:10:08 +0200 | [diff] [blame] | 3597 | static int iwl_mvm_switch_vif_chanctx(struct ieee80211_hw *hw, |
| 3598 | struct ieee80211_vif_chanctx_switch *vifs, |
| 3599 | int n_vifs, |
| 3600 | enum ieee80211_chanctx_switch_mode mode) |
| 3601 | { |
| 3602 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); |
| 3603 | int ret; |
| 3604 | |
| 3605 | /* we only support a single-vif right now */ |
| 3606 | if (n_vifs > 1) |
| 3607 | return -EOPNOTSUPP; |
| 3608 | |
| 3609 | switch (mode) { |
| 3610 | case CHANCTX_SWMODE_SWAP_CONTEXTS: |
| 3611 | ret = iwl_mvm_switch_vif_chanctx_swap(mvm, vifs); |
| 3612 | break; |
| 3613 | case CHANCTX_SWMODE_REASSIGN_VIF: |
Luciano Coelho | 48a256e | 2014-11-10 11:10:09 +0200 | [diff] [blame] | 3614 | ret = iwl_mvm_switch_vif_chanctx_reassign(mvm, vifs); |
Luciano Coelho | 50cc957 | 2014-11-10 11:10:08 +0200 | [diff] [blame] | 3615 | break; |
| 3616 | default: |
| 3617 | ret = -EOPNOTSUPP; |
| 3618 | break; |
| 3619 | } |
| 3620 | |
Luciano Coelho | b08c1d9 | 2014-05-20 23:31:05 +0300 | [diff] [blame] | 3621 | return ret; |
| 3622 | } |
| 3623 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 3624 | static int iwl_mvm_set_tim(struct ieee80211_hw *hw, |
| 3625 | struct ieee80211_sta *sta, |
| 3626 | bool set) |
| 3627 | { |
| 3628 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); |
Johannes Berg | 9d8ce6a | 2014-12-23 16:02:40 +0100 | [diff] [blame] | 3629 | struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 3630 | |
| 3631 | if (!mvm_sta || !mvm_sta->vif) { |
| 3632 | IWL_ERR(mvm, "Station is not associated to a vif\n"); |
| 3633 | return -EINVAL; |
| 3634 | } |
| 3635 | |
| 3636 | return iwl_mvm_mac_ctxt_beacon_changed(mvm, mvm_sta->vif); |
| 3637 | } |
| 3638 | |
David Spinadel | 507cadf | 2013-07-31 18:07:21 +0300 | [diff] [blame] | 3639 | #ifdef CONFIG_NL80211_TESTMODE |
| 3640 | static const struct nla_policy iwl_mvm_tm_policy[IWL_MVM_TM_ATTR_MAX + 1] = { |
| 3641 | [IWL_MVM_TM_ATTR_CMD] = { .type = NLA_U32 }, |
| 3642 | [IWL_MVM_TM_ATTR_NOA_DURATION] = { .type = NLA_U32 }, |
Johannes Berg | f6c6ad4 | 2013-08-01 14:17:15 +0200 | [diff] [blame] | 3643 | [IWL_MVM_TM_ATTR_BEACON_FILTER_STATE] = { .type = NLA_U32 }, |
David Spinadel | 507cadf | 2013-07-31 18:07:21 +0300 | [diff] [blame] | 3644 | }; |
| 3645 | |
| 3646 | static int __iwl_mvm_mac_testmode_cmd(struct iwl_mvm *mvm, |
| 3647 | struct ieee80211_vif *vif, |
| 3648 | void *data, int len) |
| 3649 | { |
| 3650 | struct nlattr *tb[IWL_MVM_TM_ATTR_MAX + 1]; |
| 3651 | int err; |
| 3652 | u32 noa_duration; |
| 3653 | |
| 3654 | err = nla_parse(tb, IWL_MVM_TM_ATTR_MAX, data, len, iwl_mvm_tm_policy); |
| 3655 | if (err) |
| 3656 | return err; |
| 3657 | |
| 3658 | if (!tb[IWL_MVM_TM_ATTR_CMD]) |
| 3659 | return -EINVAL; |
| 3660 | |
| 3661 | switch (nla_get_u32(tb[IWL_MVM_TM_ATTR_CMD])) { |
| 3662 | case IWL_MVM_TM_CMD_SET_NOA: |
| 3663 | if (!vif || vif->type != NL80211_IFTYPE_AP || !vif->p2p || |
| 3664 | !vif->bss_conf.enable_beacon || |
| 3665 | !tb[IWL_MVM_TM_ATTR_NOA_DURATION]) |
| 3666 | return -EINVAL; |
| 3667 | |
| 3668 | noa_duration = nla_get_u32(tb[IWL_MVM_TM_ATTR_NOA_DURATION]); |
| 3669 | if (noa_duration >= vif->bss_conf.beacon_int) |
| 3670 | return -EINVAL; |
| 3671 | |
| 3672 | mvm->noa_duration = noa_duration; |
| 3673 | mvm->noa_vif = vif; |
| 3674 | |
Emmanuel Grumbach | 7754ae7 | 2015-02-26 15:14:35 +0200 | [diff] [blame] | 3675 | return iwl_mvm_update_quotas(mvm, false, NULL); |
Johannes Berg | f6c6ad4 | 2013-08-01 14:17:15 +0200 | [diff] [blame] | 3676 | case IWL_MVM_TM_CMD_SET_BEACON_FILTER: |
| 3677 | /* must be associated client vif - ignore authorized */ |
| 3678 | if (!vif || vif->type != NL80211_IFTYPE_STATION || |
| 3679 | !vif->bss_conf.assoc || !vif->bss_conf.dtim_period || |
| 3680 | !tb[IWL_MVM_TM_ATTR_BEACON_FILTER_STATE]) |
| 3681 | return -EINVAL; |
| 3682 | |
| 3683 | if (nla_get_u32(tb[IWL_MVM_TM_ATTR_BEACON_FILTER_STATE])) |
Emmanuel Grumbach | a102292 | 2014-05-12 11:36:41 +0300 | [diff] [blame] | 3684 | return iwl_mvm_enable_beacon_filter(mvm, vif, 0); |
| 3685 | return iwl_mvm_disable_beacon_filter(mvm, vif, 0); |
David Spinadel | 507cadf | 2013-07-31 18:07:21 +0300 | [diff] [blame] | 3686 | } |
| 3687 | |
| 3688 | return -EOPNOTSUPP; |
| 3689 | } |
| 3690 | |
| 3691 | static int iwl_mvm_mac_testmode_cmd(struct ieee80211_hw *hw, |
| 3692 | struct ieee80211_vif *vif, |
| 3693 | void *data, int len) |
| 3694 | { |
| 3695 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); |
| 3696 | int err; |
| 3697 | |
| 3698 | mutex_lock(&mvm->mutex); |
| 3699 | err = __iwl_mvm_mac_testmode_cmd(mvm, vif, data, len); |
| 3700 | mutex_unlock(&mvm->mutex); |
| 3701 | |
| 3702 | return err; |
| 3703 | } |
| 3704 | #endif |
| 3705 | |
Luciano Coelho | 622e3f9 | 2014-11-10 11:10:17 +0200 | [diff] [blame] | 3706 | static void iwl_mvm_channel_switch(struct ieee80211_hw *hw, |
| 3707 | struct ieee80211_vif *vif, |
| 3708 | struct ieee80211_channel_switch *chsw) |
| 3709 | { |
| 3710 | /* By implementing this operation, we prevent mac80211 from |
| 3711 | * starting its own channel switch timer, so that we can call |
| 3712 | * ieee80211_chswitch_done() ourselves at the right time |
| 3713 | * (which is when the absence time event starts). |
| 3714 | */ |
| 3715 | |
| 3716 | IWL_DEBUG_MAC80211(IWL_MAC80211_GET_MVM(hw), |
| 3717 | "dummy channel switch op\n"); |
| 3718 | } |
| 3719 | |
Luciano Coelho | f028905 | 2014-11-10 11:10:06 +0200 | [diff] [blame] | 3720 | static int iwl_mvm_pre_channel_switch(struct ieee80211_hw *hw, |
| 3721 | struct ieee80211_vif *vif, |
| 3722 | struct ieee80211_channel_switch *chsw) |
Andrei Otcheretianski | bd3398e | 2013-10-22 05:01:12 +0200 | [diff] [blame] | 3723 | { |
| 3724 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); |
Andrei Otcheretianski | 664322f | 2014-06-05 16:40:36 +0300 | [diff] [blame] | 3725 | struct ieee80211_vif *csa_vif; |
Luciano Coelho | f6c3482 | 2014-11-10 11:10:12 +0200 | [diff] [blame] | 3726 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); |
Luciano Coelho | dc88b4b | 2014-11-10 11:10:14 +0200 | [diff] [blame] | 3727 | u32 apply_time; |
Luciano Coelho | f028905 | 2014-11-10 11:10:06 +0200 | [diff] [blame] | 3728 | int ret; |
Andrei Otcheretianski | bd3398e | 2013-10-22 05:01:12 +0200 | [diff] [blame] | 3729 | |
| 3730 | mutex_lock(&mvm->mutex); |
Andrei Otcheretianski | 664322f | 2014-06-05 16:40:36 +0300 | [diff] [blame] | 3731 | |
Johannes Berg | 81d62d5 | 2015-03-10 14:44:00 +0100 | [diff] [blame] | 3732 | mvmvif->csa_failed = false; |
| 3733 | |
Luciano Coelho | 6b20d77 | 2014-11-10 11:10:07 +0200 | [diff] [blame] | 3734 | IWL_DEBUG_MAC80211(mvm, "pre CSA to freq %d\n", |
Luciano Coelho | f028905 | 2014-11-10 11:10:06 +0200 | [diff] [blame] | 3735 | chsw->chandef.center_freq1); |
Luciano Coelho | 6b20d77 | 2014-11-10 11:10:07 +0200 | [diff] [blame] | 3736 | |
Johannes Berg | 21023b1 | 2015-03-31 08:58:16 +0200 | [diff] [blame] | 3737 | iwl_fw_dbg_trigger_simple_stop(mvm, vif, FW_DBG_TRIGGER_CHANNEL_SWITCH); |
Emmanuel Grumbach | f35d9c5 | 2015-02-10 10:49:51 +0200 | [diff] [blame] | 3738 | |
Luciano Coelho | 6b20d77 | 2014-11-10 11:10:07 +0200 | [diff] [blame] | 3739 | switch (vif->type) { |
| 3740 | case NL80211_IFTYPE_AP: |
| 3741 | csa_vif = |
| 3742 | rcu_dereference_protected(mvm->csa_vif, |
| 3743 | lockdep_is_held(&mvm->mutex)); |
| 3744 | if (WARN_ONCE(csa_vif && csa_vif->csa_active, |
| 3745 | "Another CSA is already in progress")) { |
| 3746 | ret = -EBUSY; |
| 3747 | goto out_unlock; |
| 3748 | } |
| 3749 | |
Andrei Otcheretianski | d3a108a | 2016-02-28 17:12:21 +0200 | [diff] [blame] | 3750 | /* we still didn't unblock tx. prevent new CS meanwhile */ |
| 3751 | if (rcu_dereference_protected(mvm->csa_tx_blocked_vif, |
| 3752 | lockdep_is_held(&mvm->mutex))) { |
| 3753 | ret = -EBUSY; |
| 3754 | goto out_unlock; |
| 3755 | } |
| 3756 | |
Luciano Coelho | 6b20d77 | 2014-11-10 11:10:07 +0200 | [diff] [blame] | 3757 | rcu_assign_pointer(mvm->csa_vif, vif); |
Andrei Otcheretianski | 7ef0aab | 2014-11-10 11:10:11 +0200 | [diff] [blame] | 3758 | |
Andrei Otcheretianski | 7ef0aab | 2014-11-10 11:10:11 +0200 | [diff] [blame] | 3759 | if (WARN_ONCE(mvmvif->csa_countdown, |
| 3760 | "Previous CSA countdown didn't complete")) { |
| 3761 | ret = -EBUSY; |
| 3762 | goto out_unlock; |
| 3763 | } |
| 3764 | |
Andrei Otcheretianski | d3a108a | 2016-02-28 17:12:21 +0200 | [diff] [blame] | 3765 | mvmvif->csa_target_freq = chsw->chandef.chan->center_freq; |
| 3766 | |
Luciano Coelho | 6b20d77 | 2014-11-10 11:10:07 +0200 | [diff] [blame] | 3767 | break; |
Luciano Coelho | dc88b4b | 2014-11-10 11:10:14 +0200 | [diff] [blame] | 3768 | case NL80211_IFTYPE_STATION: |
Aviya Erenfeld | 0309826 | 2016-02-18 14:09:33 +0200 | [diff] [blame] | 3769 | if (mvmvif->lqm_active) |
| 3770 | iwl_mvm_send_lqm_cmd(vif, |
| 3771 | LQM_CMD_OPERATION_STOP_MEASUREMENT, |
| 3772 | 0, 0); |
| 3773 | |
Luciano Coelho | 4500e13 | 2014-11-10 11:10:15 +0200 | [diff] [blame] | 3774 | /* Schedule the time event to a bit before beacon 1, |
| 3775 | * to make sure we're in the new channel when the |
| 3776 | * GO/AP arrives. |
| 3777 | */ |
| 3778 | apply_time = chsw->device_timestamp + |
| 3779 | ((vif->bss_conf.beacon_int * (chsw->count - 1) - |
| 3780 | IWL_MVM_CHANNEL_SWITCH_TIME_CLIENT) * 1024); |
Luciano Coelho | dc88b4b | 2014-11-10 11:10:14 +0200 | [diff] [blame] | 3781 | |
| 3782 | if (chsw->block_tx) |
| 3783 | iwl_mvm_csa_client_absent(mvm, vif); |
| 3784 | |
Luciano Coelho | 4500e13 | 2014-11-10 11:10:15 +0200 | [diff] [blame] | 3785 | iwl_mvm_schedule_csa_period(mvm, vif, vif->bss_conf.beacon_int, |
Luciano Coelho | dc88b4b | 2014-11-10 11:10:14 +0200 | [diff] [blame] | 3786 | apply_time); |
Luciano Coelho | c6e0a3e0 | 2014-11-10 11:10:18 +0200 | [diff] [blame] | 3787 | if (mvmvif->bf_data.bf_enabled) { |
| 3788 | ret = iwl_mvm_disable_beacon_filter(mvm, vif, 0); |
| 3789 | if (ret) |
| 3790 | goto out_unlock; |
| 3791 | } |
| 3792 | |
Luciano Coelho | dc88b4b | 2014-11-10 11:10:14 +0200 | [diff] [blame] | 3793 | break; |
Luciano Coelho | 6b20d77 | 2014-11-10 11:10:07 +0200 | [diff] [blame] | 3794 | default: |
| 3795 | break; |
| 3796 | } |
Andrei Otcheretianski | bd3398e | 2013-10-22 05:01:12 +0200 | [diff] [blame] | 3797 | |
Luciano Coelho | f6c3482 | 2014-11-10 11:10:12 +0200 | [diff] [blame] | 3798 | mvmvif->ps_disabled = true; |
| 3799 | |
| 3800 | ret = iwl_mvm_power_update_ps(mvm); |
| 3801 | if (ret) |
| 3802 | goto out_unlock; |
Luciano Coelho | f028905 | 2014-11-10 11:10:06 +0200 | [diff] [blame] | 3803 | |
Arik Nemtsov | e198f5e | 2014-09-14 19:13:54 +0300 | [diff] [blame] | 3804 | /* we won't be on this channel any longer */ |
| 3805 | iwl_mvm_teardown_tdls_peers(mvm); |
| 3806 | |
Andrei Otcheretianski | bd3398e | 2013-10-22 05:01:12 +0200 | [diff] [blame] | 3807 | out_unlock: |
| 3808 | mutex_unlock(&mvm->mutex); |
Luciano Coelho | f028905 | 2014-11-10 11:10:06 +0200 | [diff] [blame] | 3809 | |
| 3810 | return ret; |
Andrei Otcheretianski | bd3398e | 2013-10-22 05:01:12 +0200 | [diff] [blame] | 3811 | } |
| 3812 | |
Luciano Coelho | f6c3482 | 2014-11-10 11:10:12 +0200 | [diff] [blame] | 3813 | static int iwl_mvm_post_channel_switch(struct ieee80211_hw *hw, |
| 3814 | struct ieee80211_vif *vif) |
| 3815 | { |
| 3816 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); |
| 3817 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); |
| 3818 | int ret; |
| 3819 | |
| 3820 | mutex_lock(&mvm->mutex); |
| 3821 | |
Johannes Berg | 81d62d5 | 2015-03-10 14:44:00 +0100 | [diff] [blame] | 3822 | if (mvmvif->csa_failed) { |
| 3823 | mvmvif->csa_failed = false; |
| 3824 | ret = -EIO; |
| 3825 | goto out_unlock; |
| 3826 | } |
| 3827 | |
Luciano Coelho | a57c688 | 2014-11-10 11:10:16 +0200 | [diff] [blame] | 3828 | if (vif->type == NL80211_IFTYPE_STATION) { |
| 3829 | struct iwl_mvm_sta *mvmsta; |
| 3830 | |
| 3831 | mvmsta = iwl_mvm_sta_from_staid_protected(mvm, |
| 3832 | mvmvif->ap_sta_id); |
| 3833 | |
| 3834 | if (WARN_ON(!mvmsta)) { |
| 3835 | ret = -EIO; |
| 3836 | goto out_unlock; |
| 3837 | } |
| 3838 | |
| 3839 | iwl_mvm_sta_modify_disable_tx(mvm, mvmsta, false); |
| 3840 | |
| 3841 | iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); |
Luciano Coelho | c6e0a3e0 | 2014-11-10 11:10:18 +0200 | [diff] [blame] | 3842 | |
| 3843 | ret = iwl_mvm_enable_beacon_filter(mvm, vif, 0); |
| 3844 | if (ret) |
| 3845 | goto out_unlock; |
Luciano Coelho | 686e7fe | 2014-11-10 11:10:21 +0200 | [diff] [blame] | 3846 | |
| 3847 | iwl_mvm_stop_session_protection(mvm, vif); |
Luciano Coelho | a57c688 | 2014-11-10 11:10:16 +0200 | [diff] [blame] | 3848 | } |
| 3849 | |
Luciano Coelho | f6c3482 | 2014-11-10 11:10:12 +0200 | [diff] [blame] | 3850 | mvmvif->ps_disabled = false; |
| 3851 | |
| 3852 | ret = iwl_mvm_power_update_ps(mvm); |
| 3853 | |
Luciano Coelho | a57c688 | 2014-11-10 11:10:16 +0200 | [diff] [blame] | 3854 | out_unlock: |
Luciano Coelho | f6c3482 | 2014-11-10 11:10:12 +0200 | [diff] [blame] | 3855 | mutex_unlock(&mvm->mutex); |
| 3856 | |
| 3857 | return ret; |
| 3858 | } |
| 3859 | |
Emmanuel Grumbach | c5b0e7c | 2014-03-24 12:08:53 +0200 | [diff] [blame] | 3860 | static void iwl_mvm_mac_flush(struct ieee80211_hw *hw, |
| 3861 | struct ieee80211_vif *vif, u32 queues, bool drop) |
| 3862 | { |
| 3863 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); |
| 3864 | struct iwl_mvm_vif *mvmvif; |
| 3865 | struct iwl_mvm_sta *mvmsta; |
Arik Nemtsov | a0f6bf2 | 2014-09-21 19:10:04 +0300 | [diff] [blame] | 3866 | struct ieee80211_sta *sta; |
| 3867 | int i; |
| 3868 | u32 msk = 0; |
Emmanuel Grumbach | c5b0e7c | 2014-03-24 12:08:53 +0200 | [diff] [blame] | 3869 | |
| 3870 | if (!vif || vif->type != NL80211_IFTYPE_STATION) |
| 3871 | return; |
| 3872 | |
Liad Kaufman | 24afba7 | 2015-07-28 18:56:08 +0300 | [diff] [blame] | 3873 | /* Make sure we're done with the deferred traffic before flushing */ |
| 3874 | if (iwl_mvm_is_dqa_supported(mvm)) |
| 3875 | flush_work(&mvm->add_stream_wk); |
| 3876 | |
Emmanuel Grumbach | c5b0e7c | 2014-03-24 12:08:53 +0200 | [diff] [blame] | 3877 | mutex_lock(&mvm->mutex); |
| 3878 | mvmvif = iwl_mvm_vif_from_mac80211(vif); |
Emmanuel Grumbach | c5b0e7c | 2014-03-24 12:08:53 +0200 | [diff] [blame] | 3879 | |
Arik Nemtsov | a0f6bf2 | 2014-09-21 19:10:04 +0300 | [diff] [blame] | 3880 | /* flush the AP-station and all TDLS peers */ |
| 3881 | for (i = 0; i < IWL_MVM_STATION_COUNT; i++) { |
| 3882 | sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i], |
| 3883 | lockdep_is_held(&mvm->mutex)); |
| 3884 | if (IS_ERR_OR_NULL(sta)) |
| 3885 | continue; |
| 3886 | |
| 3887 | mvmsta = iwl_mvm_sta_from_mac80211(sta); |
| 3888 | if (mvmsta->vif != vif) |
| 3889 | continue; |
| 3890 | |
| 3891 | /* make sure only TDLS peers or the AP are flushed */ |
| 3892 | WARN_ON(i != mvmvif->ap_sta_id && !sta->tdls); |
| 3893 | |
| 3894 | msk |= mvmsta->tfd_queue_msk; |
Johannes Berg | 480acbc | 2014-10-10 08:59:27 +0200 | [diff] [blame] | 3895 | } |
Emmanuel Grumbach | c5b0e7c | 2014-03-24 12:08:53 +0200 | [diff] [blame] | 3896 | |
Emmanuel Grumbach | 6d440b2 | 2015-01-20 09:25:19 +0200 | [diff] [blame] | 3897 | if (drop) { |
Luca Coelho | 5888a40 | 2015-10-06 09:54:57 +0300 | [diff] [blame] | 3898 | if (iwl_mvm_flush_tx_path(mvm, msk, 0)) |
Emmanuel Grumbach | 6d440b2 | 2015-01-20 09:25:19 +0200 | [diff] [blame] | 3899 | IWL_ERR(mvm, "flush request fail\n"); |
| 3900 | mutex_unlock(&mvm->mutex); |
| 3901 | } else { |
| 3902 | mutex_unlock(&mvm->mutex); |
Johannes Berg | 480acbc | 2014-10-10 08:59:27 +0200 | [diff] [blame] | 3903 | |
Emmanuel Grumbach | 6d440b2 | 2015-01-20 09:25:19 +0200 | [diff] [blame] | 3904 | /* this can take a while, and we may need/want other operations |
| 3905 | * to succeed while doing this, so do it without the mutex held |
| 3906 | */ |
| 3907 | iwl_trans_wait_tx_queue_empty(mvm->trans, msk); |
| 3908 | } |
Emmanuel Grumbach | c5b0e7c | 2014-03-24 12:08:53 +0200 | [diff] [blame] | 3909 | } |
| 3910 | |
Johannes Berg | 91a8bcd | 2015-01-14 18:12:41 +0100 | [diff] [blame] | 3911 | static int iwl_mvm_mac_get_survey(struct ieee80211_hw *hw, int idx, |
| 3912 | struct survey_info *survey) |
| 3913 | { |
| 3914 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); |
| 3915 | int ret; |
| 3916 | |
| 3917 | memset(survey, 0, sizeof(*survey)); |
| 3918 | |
| 3919 | /* only support global statistics right now */ |
| 3920 | if (idx != 0) |
| 3921 | return -ENOENT; |
| 3922 | |
Johannes Berg | 280a3ef | 2016-06-07 14:46:37 +0200 | [diff] [blame] | 3923 | if (!fw_has_capa(&mvm->fw->ucode_capa, |
| 3924 | IWL_UCODE_TLV_CAPA_RADIO_BEACON_STATS)) |
Johannes Berg | 91a8bcd | 2015-01-14 18:12:41 +0100 | [diff] [blame] | 3925 | return -ENOENT; |
| 3926 | |
| 3927 | mutex_lock(&mvm->mutex); |
| 3928 | |
| 3929 | if (mvm->ucode_loaded) { |
Johannes Berg | 33cef92 | 2015-01-21 21:41:29 +0100 | [diff] [blame] | 3930 | ret = iwl_mvm_request_statistics(mvm, false); |
Johannes Berg | 91a8bcd | 2015-01-14 18:12:41 +0100 | [diff] [blame] | 3931 | if (ret) |
| 3932 | goto out; |
| 3933 | } |
| 3934 | |
| 3935 | survey->filled = SURVEY_INFO_TIME | |
| 3936 | SURVEY_INFO_TIME_RX | |
| 3937 | SURVEY_INFO_TIME_TX | |
| 3938 | SURVEY_INFO_TIME_SCAN; |
| 3939 | survey->time = mvm->accu_radio_stats.on_time_rf + |
| 3940 | mvm->radio_stats.on_time_rf; |
| 3941 | do_div(survey->time, USEC_PER_MSEC); |
| 3942 | |
| 3943 | survey->time_rx = mvm->accu_radio_stats.rx_time + |
| 3944 | mvm->radio_stats.rx_time; |
| 3945 | do_div(survey->time_rx, USEC_PER_MSEC); |
| 3946 | |
| 3947 | survey->time_tx = mvm->accu_radio_stats.tx_time + |
| 3948 | mvm->radio_stats.tx_time; |
| 3949 | do_div(survey->time_tx, USEC_PER_MSEC); |
| 3950 | |
| 3951 | survey->time_scan = mvm->accu_radio_stats.on_time_scan + |
| 3952 | mvm->radio_stats.on_time_scan; |
| 3953 | do_div(survey->time_scan, USEC_PER_MSEC); |
| 3954 | |
Johannes Berg | 10a7c028 | 2015-04-01 10:00:31 +0200 | [diff] [blame] | 3955 | ret = 0; |
Johannes Berg | 91a8bcd | 2015-01-14 18:12:41 +0100 | [diff] [blame] | 3956 | out: |
| 3957 | mutex_unlock(&mvm->mutex); |
| 3958 | return ret; |
| 3959 | } |
| 3960 | |
Johannes Berg | 33cef92 | 2015-01-21 21:41:29 +0100 | [diff] [blame] | 3961 | static void iwl_mvm_mac_sta_statistics(struct ieee80211_hw *hw, |
| 3962 | struct ieee80211_vif *vif, |
| 3963 | struct ieee80211_sta *sta, |
| 3964 | struct station_info *sinfo) |
| 3965 | { |
| 3966 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); |
| 3967 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); |
| 3968 | struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); |
| 3969 | |
Sara Sharon | 988b596 | 2016-04-10 15:06:55 +0300 | [diff] [blame] | 3970 | if (mvmsta->avg_energy) { |
| 3971 | sinfo->signal_avg = mvmsta->avg_energy; |
| 3972 | sinfo->filled |= BIT(NL80211_STA_INFO_SIGNAL_AVG); |
| 3973 | } |
| 3974 | |
Johannes Berg | 280a3ef | 2016-06-07 14:46:37 +0200 | [diff] [blame] | 3975 | if (!fw_has_capa(&mvm->fw->ucode_capa, |
| 3976 | IWL_UCODE_TLV_CAPA_RADIO_BEACON_STATS)) |
Johannes Berg | 33cef92 | 2015-01-21 21:41:29 +0100 | [diff] [blame] | 3977 | return; |
| 3978 | |
| 3979 | /* if beacon filtering isn't on mac80211 does it anyway */ |
| 3980 | if (!(vif->driver_flags & IEEE80211_VIF_BEACON_FILTER)) |
| 3981 | return; |
| 3982 | |
| 3983 | if (!vif->bss_conf.assoc) |
| 3984 | return; |
| 3985 | |
| 3986 | mutex_lock(&mvm->mutex); |
| 3987 | |
| 3988 | if (mvmvif->ap_sta_id != mvmsta->sta_id) |
| 3989 | goto unlock; |
| 3990 | |
| 3991 | if (iwl_mvm_request_statistics(mvm, false)) |
| 3992 | goto unlock; |
| 3993 | |
| 3994 | sinfo->rx_beacon = mvmvif->beacon_stats.num_beacons + |
| 3995 | mvmvif->beacon_stats.accu_num_beacons; |
| 3996 | sinfo->filled |= BIT(NL80211_STA_INFO_BEACON_RX); |
| 3997 | if (mvmvif->beacon_stats.avg_signal) { |
| 3998 | /* firmware only reports a value after RXing a few beacons */ |
| 3999 | sinfo->rx_beacon_signal_avg = mvmvif->beacon_stats.avg_signal; |
| 4000 | sinfo->filled |= BIT(NL80211_STA_INFO_BEACON_SIGNAL_AVG); |
| 4001 | } |
| 4002 | unlock: |
| 4003 | mutex_unlock(&mvm->mutex); |
| 4004 | } |
| 4005 | |
Emmanuel Grumbach | 4203263 | 2015-04-15 12:43:46 +0300 | [diff] [blame] | 4006 | static void iwl_mvm_event_mlme_callback(struct iwl_mvm *mvm, |
| 4007 | struct ieee80211_vif *vif, |
| 4008 | const struct ieee80211_event *event) |
Emmanuel Grumbach | d42f535 | 2015-02-10 14:29:48 +0200 | [diff] [blame] | 4009 | { |
Johannes Berg | 5d4f929 | 2015-03-31 09:12:54 +0200 | [diff] [blame] | 4010 | #define CHECK_MLME_TRIGGER(_mvm, _trig, _buf, _cnt, _fmt...) \ |
Emmanuel Grumbach | d42f535 | 2015-02-10 14:29:48 +0200 | [diff] [blame] | 4011 | do { \ |
| 4012 | if ((_cnt) && --(_cnt)) \ |
| 4013 | break; \ |
Johannes Berg | 5d4f929 | 2015-03-31 09:12:54 +0200 | [diff] [blame] | 4014 | iwl_mvm_fw_dbg_collect_trig(_mvm, _trig, _fmt);\ |
Emmanuel Grumbach | d42f535 | 2015-02-10 14:29:48 +0200 | [diff] [blame] | 4015 | } while (0) |
| 4016 | |
Emmanuel Grumbach | d42f535 | 2015-02-10 14:29:48 +0200 | [diff] [blame] | 4017 | struct iwl_fw_dbg_trigger_tlv *trig; |
| 4018 | struct iwl_fw_dbg_trigger_mlme *trig_mlme; |
Emmanuel Grumbach | d42f535 | 2015-02-10 14:29:48 +0200 | [diff] [blame] | 4019 | |
| 4020 | if (!iwl_fw_dbg_trigger_enabled(mvm->fw, FW_DBG_TRIGGER_MLME)) |
| 4021 | return; |
| 4022 | |
Emmanuel Grumbach | d42f535 | 2015-02-10 14:29:48 +0200 | [diff] [blame] | 4023 | trig = iwl_fw_dbg_get_trigger(mvm->fw, FW_DBG_TRIGGER_MLME); |
| 4024 | trig_mlme = (void *)trig->data; |
| 4025 | if (!iwl_fw_dbg_trigger_check_stop(mvm, vif, trig)) |
| 4026 | return; |
| 4027 | |
Emmanuel Grumbach | d42f535 | 2015-02-10 14:29:48 +0200 | [diff] [blame] | 4028 | if (event->u.mlme.data == ASSOC_EVENT) { |
| 4029 | if (event->u.mlme.status == MLME_DENIED) |
| 4030 | CHECK_MLME_TRIGGER(mvm, trig, buf, |
| 4031 | trig_mlme->stop_assoc_denied, |
| 4032 | "DENIED ASSOC: reason %d", |
| 4033 | event->u.mlme.reason); |
| 4034 | else if (event->u.mlme.status == MLME_TIMEOUT) |
| 4035 | CHECK_MLME_TRIGGER(mvm, trig, buf, |
| 4036 | trig_mlme->stop_assoc_timeout, |
| 4037 | "ASSOC TIMEOUT"); |
| 4038 | } else if (event->u.mlme.data == AUTH_EVENT) { |
| 4039 | if (event->u.mlme.status == MLME_DENIED) |
| 4040 | CHECK_MLME_TRIGGER(mvm, trig, buf, |
| 4041 | trig_mlme->stop_auth_denied, |
| 4042 | "DENIED AUTH: reason %d", |
| 4043 | event->u.mlme.reason); |
| 4044 | else if (event->u.mlme.status == MLME_TIMEOUT) |
| 4045 | CHECK_MLME_TRIGGER(mvm, trig, buf, |
| 4046 | trig_mlme->stop_auth_timeout, |
| 4047 | "AUTH TIMEOUT"); |
| 4048 | } else if (event->u.mlme.data == DEAUTH_RX_EVENT) { |
| 4049 | CHECK_MLME_TRIGGER(mvm, trig, buf, |
| 4050 | trig_mlme->stop_rx_deauth, |
| 4051 | "DEAUTH RX %d", event->u.mlme.reason); |
| 4052 | } else if (event->u.mlme.data == DEAUTH_TX_EVENT) { |
| 4053 | CHECK_MLME_TRIGGER(mvm, trig, buf, |
| 4054 | trig_mlme->stop_tx_deauth, |
| 4055 | "DEAUTH TX %d", event->u.mlme.reason); |
| 4056 | } |
| 4057 | #undef CHECK_MLME_TRIGGER |
| 4058 | } |
| 4059 | |
Emmanuel Grumbach | 4203263 | 2015-04-15 12:43:46 +0300 | [diff] [blame] | 4060 | static void iwl_mvm_event_bar_rx_callback(struct iwl_mvm *mvm, |
| 4061 | struct ieee80211_vif *vif, |
| 4062 | const struct ieee80211_event *event) |
| 4063 | { |
| 4064 | struct iwl_fw_dbg_trigger_tlv *trig; |
| 4065 | struct iwl_fw_dbg_trigger_ba *ba_trig; |
| 4066 | |
| 4067 | if (!iwl_fw_dbg_trigger_enabled(mvm->fw, FW_DBG_TRIGGER_BA)) |
| 4068 | return; |
| 4069 | |
| 4070 | trig = iwl_fw_dbg_get_trigger(mvm->fw, FW_DBG_TRIGGER_BA); |
| 4071 | ba_trig = (void *)trig->data; |
| 4072 | if (!iwl_fw_dbg_trigger_check_stop(mvm, vif, trig)) |
| 4073 | return; |
| 4074 | |
| 4075 | if (!(le16_to_cpu(ba_trig->rx_bar) & BIT(event->u.ba.tid))) |
| 4076 | return; |
| 4077 | |
| 4078 | iwl_mvm_fw_dbg_collect_trig(mvm, trig, |
| 4079 | "BAR received from %pM, tid %d, ssn %d", |
| 4080 | event->u.ba.sta->addr, event->u.ba.tid, |
| 4081 | event->u.ba.ssn); |
| 4082 | } |
| 4083 | |
| 4084 | static void |
| 4085 | iwl_mvm_event_frame_timeout_callback(struct iwl_mvm *mvm, |
| 4086 | struct ieee80211_vif *vif, |
| 4087 | const struct ieee80211_event *event) |
| 4088 | { |
| 4089 | struct iwl_fw_dbg_trigger_tlv *trig; |
| 4090 | struct iwl_fw_dbg_trigger_ba *ba_trig; |
| 4091 | |
| 4092 | if (!iwl_fw_dbg_trigger_enabled(mvm->fw, FW_DBG_TRIGGER_BA)) |
| 4093 | return; |
| 4094 | |
| 4095 | trig = iwl_fw_dbg_get_trigger(mvm->fw, FW_DBG_TRIGGER_BA); |
| 4096 | ba_trig = (void *)trig->data; |
| 4097 | if (!iwl_fw_dbg_trigger_check_stop(mvm, vif, trig)) |
| 4098 | return; |
| 4099 | |
| 4100 | if (!(le16_to_cpu(ba_trig->frame_timeout) & BIT(event->u.ba.tid))) |
| 4101 | return; |
| 4102 | |
| 4103 | iwl_mvm_fw_dbg_collect_trig(mvm, trig, |
| 4104 | "Frame from %pM timed out, tid %d", |
| 4105 | event->u.ba.sta->addr, event->u.ba.tid); |
| 4106 | } |
| 4107 | |
| 4108 | static void iwl_mvm_mac_event_callback(struct ieee80211_hw *hw, |
| 4109 | struct ieee80211_vif *vif, |
| 4110 | const struct ieee80211_event *event) |
| 4111 | { |
| 4112 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); |
| 4113 | |
| 4114 | switch (event->type) { |
| 4115 | case MLME_EVENT: |
| 4116 | iwl_mvm_event_mlme_callback(mvm, vif, event); |
| 4117 | break; |
| 4118 | case BAR_RX_EVENT: |
| 4119 | iwl_mvm_event_bar_rx_callback(mvm, vif, event); |
| 4120 | break; |
| 4121 | case BA_FRAME_TIMEOUT: |
| 4122 | iwl_mvm_event_frame_timeout_callback(mvm, vif, event); |
| 4123 | break; |
| 4124 | default: |
| 4125 | break; |
| 4126 | } |
| 4127 | } |
| 4128 | |
Sara Sharon | d0ff5d2 | 2016-03-23 16:31:43 +0200 | [diff] [blame] | 4129 | void iwl_mvm_sync_rx_queues_internal(struct iwl_mvm *mvm, |
| 4130 | struct iwl_mvm_internal_rxq_notif *notif, |
| 4131 | u32 size) |
Sara Sharon | 0636b93 | 2016-02-18 14:21:12 +0200 | [diff] [blame] | 4132 | { |
Sara Sharon | 0636b93 | 2016-02-18 14:21:12 +0200 | [diff] [blame] | 4133 | u32 qmask = BIT(mvm->trans->num_rx_queues) - 1; |
| 4134 | int ret; |
| 4135 | |
| 4136 | lockdep_assert_held(&mvm->mutex); |
| 4137 | |
| 4138 | if (!iwl_mvm_has_new_rx_api(mvm)) |
| 4139 | return; |
| 4140 | |
Sara Sharon | d0ff5d2 | 2016-03-23 16:31:43 +0200 | [diff] [blame] | 4141 | notif->cookie = mvm->queue_sync_cookie; |
Sara Sharon | 0636b93 | 2016-02-18 14:21:12 +0200 | [diff] [blame] | 4142 | |
Sara Sharon | d0ff5d2 | 2016-03-23 16:31:43 +0200 | [diff] [blame] | 4143 | if (notif->sync) |
| 4144 | atomic_set(&mvm->queue_sync_counter, |
| 4145 | mvm->trans->num_rx_queues); |
| 4146 | |
| 4147 | ret = iwl_mvm_notify_rx_queue(mvm, qmask, (u8 *)notif, size); |
Sara Sharon | 0636b93 | 2016-02-18 14:21:12 +0200 | [diff] [blame] | 4148 | if (ret) { |
| 4149 | IWL_ERR(mvm, "Failed to trigger RX queues sync (%d)\n", ret); |
| 4150 | goto out; |
| 4151 | } |
Sara Sharon | d0ff5d2 | 2016-03-23 16:31:43 +0200 | [diff] [blame] | 4152 | |
| 4153 | if (notif->sync) |
Sara Sharon | 3a732c6 | 2016-10-09 17:34:24 +0300 | [diff] [blame] | 4154 | ret = wait_event_timeout(mvm->rx_sync_waitq, |
Sara Sharon | d0ff5d2 | 2016-03-23 16:31:43 +0200 | [diff] [blame] | 4155 | atomic_read(&mvm->queue_sync_counter) == 0, |
| 4156 | HZ); |
Sara Sharon | 0636b93 | 2016-02-18 14:21:12 +0200 | [diff] [blame] | 4157 | WARN_ON_ONCE(!ret); |
| 4158 | |
| 4159 | out: |
| 4160 | atomic_set(&mvm->queue_sync_counter, 0); |
| 4161 | mvm->queue_sync_cookie++; |
| 4162 | } |
| 4163 | |
| 4164 | static void iwl_mvm_sync_rx_queues(struct ieee80211_hw *hw) |
| 4165 | { |
| 4166 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); |
Sara Sharon | d0ff5d2 | 2016-03-23 16:31:43 +0200 | [diff] [blame] | 4167 | struct iwl_mvm_internal_rxq_notif data = { |
| 4168 | .type = IWL_MVM_RXQ_EMPTY, |
| 4169 | .sync = 1, |
| 4170 | }; |
Sara Sharon | 0636b93 | 2016-02-18 14:21:12 +0200 | [diff] [blame] | 4171 | |
| 4172 | mutex_lock(&mvm->mutex); |
Sara Sharon | d0ff5d2 | 2016-03-23 16:31:43 +0200 | [diff] [blame] | 4173 | iwl_mvm_sync_rx_queues_internal(mvm, &data, sizeof(data)); |
Sara Sharon | 0636b93 | 2016-02-18 14:21:12 +0200 | [diff] [blame] | 4174 | mutex_unlock(&mvm->mutex); |
| 4175 | } |
| 4176 | |
Johannes Berg | e520926 | 2014-01-20 23:38:59 +0100 | [diff] [blame] | 4177 | const struct ieee80211_ops iwl_mvm_hw_ops = { |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 4178 | .tx = iwl_mvm_mac_tx, |
| 4179 | .ampdu_action = iwl_mvm_mac_ampdu_action, |
| 4180 | .start = iwl_mvm_mac_start, |
Eliad Peller | cf2c92d | 2014-11-04 11:43:54 +0200 | [diff] [blame] | 4181 | .reconfig_complete = iwl_mvm_mac_reconfig_complete, |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 4182 | .stop = iwl_mvm_mac_stop, |
| 4183 | .add_interface = iwl_mvm_mac_add_interface, |
| 4184 | .remove_interface = iwl_mvm_mac_remove_interface, |
| 4185 | .config = iwl_mvm_mac_config, |
Eliad Peller | e59647e | 2013-11-28 14:08:50 +0200 | [diff] [blame] | 4186 | .prepare_multicast = iwl_mvm_prepare_multicast, |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 4187 | .configure_filter = iwl_mvm_configure_filter, |
Andrei Otcheretianski | effd192 | 2015-06-30 12:08:28 +0300 | [diff] [blame] | 4188 | .config_iface_filter = iwl_mvm_config_iface_filter, |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 4189 | .bss_info_changed = iwl_mvm_bss_info_changed, |
| 4190 | .hw_scan = iwl_mvm_mac_hw_scan, |
| 4191 | .cancel_hw_scan = iwl_mvm_mac_cancel_hw_scan, |
Johannes Berg | 1ddbbb0 | 2013-12-04 22:39:17 +0100 | [diff] [blame] | 4192 | .sta_pre_rcu_remove = iwl_mvm_sta_pre_rcu_remove, |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 4193 | .sta_state = iwl_mvm_mac_sta_state, |
| 4194 | .sta_notify = iwl_mvm_mac_sta_notify, |
| 4195 | .allow_buffered_frames = iwl_mvm_mac_allow_buffered_frames, |
Johannes Berg | 3e56ead | 2013-02-15 22:23:18 +0100 | [diff] [blame] | 4196 | .release_buffered_frames = iwl_mvm_mac_release_buffered_frames, |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 4197 | .set_rts_threshold = iwl_mvm_mac_set_rts_threshold, |
Lilach Edelstein | 1f3b0ff | 2013-10-06 13:03:32 +0200 | [diff] [blame] | 4198 | .sta_rc_update = iwl_mvm_sta_rc_update, |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 4199 | .conf_tx = iwl_mvm_mac_conf_tx, |
| 4200 | .mgd_prepare_tx = iwl_mvm_mac_mgd_prepare_tx, |
Arik Nemtsov | 07ecd89 | 2014-05-20 18:16:42 +0300 | [diff] [blame] | 4201 | .mgd_protect_tdls_discover = iwl_mvm_mac_mgd_protect_tdls_discover, |
Emmanuel Grumbach | c5b0e7c | 2014-03-24 12:08:53 +0200 | [diff] [blame] | 4202 | .flush = iwl_mvm_mac_flush, |
David Spinadel | 35a000b | 2013-08-28 09:29:43 +0300 | [diff] [blame] | 4203 | .sched_scan_start = iwl_mvm_mac_sched_scan_start, |
| 4204 | .sched_scan_stop = iwl_mvm_mac_sched_scan_stop, |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 4205 | .set_key = iwl_mvm_mac_set_key, |
| 4206 | .update_tkip_key = iwl_mvm_mac_update_tkip_key, |
| 4207 | .remain_on_channel = iwl_mvm_roc, |
| 4208 | .cancel_remain_on_channel = iwl_mvm_cancel_roc, |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 4209 | .add_chanctx = iwl_mvm_add_chanctx, |
| 4210 | .remove_chanctx = iwl_mvm_remove_chanctx, |
| 4211 | .change_chanctx = iwl_mvm_change_chanctx, |
| 4212 | .assign_vif_chanctx = iwl_mvm_assign_vif_chanctx, |
| 4213 | .unassign_vif_chanctx = iwl_mvm_unassign_vif_chanctx, |
Luciano Coelho | b08c1d9 | 2014-05-20 23:31:05 +0300 | [diff] [blame] | 4214 | .switch_vif_chanctx = iwl_mvm_switch_vif_chanctx, |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 4215 | |
Johannes Berg | 5023d96 | 2013-07-31 14:07:43 +0200 | [diff] [blame] | 4216 | .start_ap = iwl_mvm_start_ap_ibss, |
| 4217 | .stop_ap = iwl_mvm_stop_ap_ibss, |
| 4218 | .join_ibss = iwl_mvm_start_ap_ibss, |
| 4219 | .leave_ibss = iwl_mvm_stop_ap_ibss, |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 4220 | |
| 4221 | .set_tim = iwl_mvm_set_tim, |
| 4222 | |
Luciano Coelho | 622e3f9 | 2014-11-10 11:10:17 +0200 | [diff] [blame] | 4223 | .channel_switch = iwl_mvm_channel_switch, |
Luciano Coelho | f028905 | 2014-11-10 11:10:06 +0200 | [diff] [blame] | 4224 | .pre_channel_switch = iwl_mvm_pre_channel_switch, |
Luciano Coelho | f6c3482 | 2014-11-10 11:10:12 +0200 | [diff] [blame] | 4225 | .post_channel_switch = iwl_mvm_post_channel_switch, |
Andrei Otcheretianski | bd3398e | 2013-10-22 05:01:12 +0200 | [diff] [blame] | 4226 | |
Arik Nemtsov | 1d3c3f6 | 2014-10-23 18:03:10 +0300 | [diff] [blame] | 4227 | .tdls_channel_switch = iwl_mvm_tdls_channel_switch, |
| 4228 | .tdls_cancel_channel_switch = iwl_mvm_tdls_cancel_channel_switch, |
| 4229 | .tdls_recv_channel_switch = iwl_mvm_tdls_recv_channel_switch, |
| 4230 | |
Emmanuel Grumbach | d42f535 | 2015-02-10 14:29:48 +0200 | [diff] [blame] | 4231 | .event_callback = iwl_mvm_mac_event_callback, |
| 4232 | |
Sara Sharon | 0636b93 | 2016-02-18 14:21:12 +0200 | [diff] [blame] | 4233 | .sync_rx_queues = iwl_mvm_sync_rx_queues, |
| 4234 | |
David Spinadel | 507cadf | 2013-07-31 18:07:21 +0300 | [diff] [blame] | 4235 | CFG80211_TESTMODE_CMD(iwl_mvm_mac_testmode_cmd) |
| 4236 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 4237 | #ifdef CONFIG_PM_SLEEP |
| 4238 | /* look at d3.c */ |
| 4239 | .suspend = iwl_mvm_suspend, |
| 4240 | .resume = iwl_mvm_resume, |
| 4241 | .set_wakeup = iwl_mvm_set_wakeup, |
| 4242 | .set_rekey_data = iwl_mvm_set_rekey_data, |
| 4243 | #if IS_ENABLED(CONFIG_IPV6) |
| 4244 | .ipv6_addr_change = iwl_mvm_ipv6_addr_change, |
| 4245 | #endif |
| 4246 | .set_default_unicast_key = iwl_mvm_set_default_unicast_key, |
| 4247 | #endif |
Johannes Berg | 91a8bcd | 2015-01-14 18:12:41 +0100 | [diff] [blame] | 4248 | .get_survey = iwl_mvm_mac_get_survey, |
Johannes Berg | 33cef92 | 2015-01-21 21:41:29 +0100 | [diff] [blame] | 4249 | .sta_statistics = iwl_mvm_mac_sta_statistics, |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 4250 | }; |