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 |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 10 | * |
| 11 | * This program is free software; you can redistribute it and/or modify |
| 12 | * it under the terms of version 2 of the GNU General Public License as |
| 13 | * published by the Free Software Foundation. |
| 14 | * |
| 15 | * This program is distributed in the hope that it will be useful, but |
| 16 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
| 17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 18 | * General Public License for more details. |
| 19 | * |
| 20 | * You should have received a copy of the GNU General Public License |
| 21 | * along with this program; if not, write to the Free Software |
| 22 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, |
| 23 | * USA |
| 24 | * |
| 25 | * The full GNU General Public License is included in this distribution |
Emmanuel Grumbach | 410dc5a | 2013-02-18 09:22:28 +0200 | [diff] [blame] | 26 | * in the file called COPYING. |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 27 | * |
| 28 | * Contact Information: |
| 29 | * Intel Linux Wireless <ilw@linux.intel.com> |
| 30 | * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 |
| 31 | * |
| 32 | * BSD LICENSE |
| 33 | * |
Emmanuel Grumbach | 51368bf | 2013-12-30 13:15:54 +0200 | [diff] [blame] | 34 | * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. |
Johannes Berg | 8b4139d | 2014-07-24 14:05:26 +0200 | [diff] [blame] | 35 | * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 36 | * All rights reserved. |
| 37 | * |
| 38 | * Redistribution and use in source and binary forms, with or without |
| 39 | * modification, are permitted provided that the following conditions |
| 40 | * are met: |
| 41 | * |
| 42 | * * Redistributions of source code must retain the above copyright |
| 43 | * notice, this list of conditions and the following disclaimer. |
| 44 | * * Redistributions in binary form must reproduce the above copyright |
| 45 | * notice, this list of conditions and the following disclaimer in |
| 46 | * the documentation and/or other materials provided with the |
| 47 | * distribution. |
| 48 | * * Neither the name Intel Corporation nor the names of its |
| 49 | * contributors may be used to endorse or promote products derived |
| 50 | * from this software without specific prior written permission. |
| 51 | * |
| 52 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 53 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 54 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 55 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 56 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 57 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 58 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 59 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 60 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 61 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 62 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 63 | * |
| 64 | *****************************************************************************/ |
| 65 | #include <linux/kernel.h> |
| 66 | #include <linux/slab.h> |
| 67 | #include <linux/skbuff.h> |
| 68 | #include <linux/netdevice.h> |
| 69 | #include <linux/etherdevice.h> |
Johannes Berg | f0c2646 | 2013-01-22 20:41:58 +0100 | [diff] [blame] | 70 | #include <linux/ip.h> |
Eliad Peller | 2ee8f02 | 2014-01-13 19:07:09 +0200 | [diff] [blame] | 71 | #include <linux/if_arp.h> |
Johannes Berg | aadede6 | 2014-10-09 17:01:36 +0200 | [diff] [blame] | 72 | #include <linux/devcoredump.h> |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 73 | #include <net/mac80211.h> |
Emmanuel Grumbach | 7b1dd04 | 2014-02-04 15:32:43 +0200 | [diff] [blame] | 74 | #include <net/ieee80211_radiotap.h> |
Johannes Berg | f0c2646 | 2013-01-22 20:41:58 +0100 | [diff] [blame] | 75 | #include <net/tcp.h> |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 76 | |
| 77 | #include "iwl-op-mode.h" |
| 78 | #include "iwl-io.h" |
| 79 | #include "mvm.h" |
| 80 | #include "sta.h" |
| 81 | #include "time-event.h" |
| 82 | #include "iwl-eeprom-parse.h" |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 83 | #include "iwl-phy-db.h" |
David Spinadel | 507cadf | 2013-07-31 18:07:21 +0300 | [diff] [blame] | 84 | #include "testmode.h" |
Emmanuel Grumbach | 655e6d6 | 2014-06-25 14:08:58 +0300 | [diff] [blame] | 85 | #include "iwl-fw-error-dump.h" |
| 86 | #include "iwl-prph.h" |
Eran Harary | 363039b | 2014-12-02 15:19:22 +0200 | [diff] [blame] | 87 | #include "iwl-csr.h" |
Arik Nemtsov | 88931cc | 2014-03-05 12:26:15 +0200 | [diff] [blame] | 88 | #include "iwl-nvm-parse.h" |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 89 | |
| 90 | static const struct ieee80211_iface_limit iwl_mvm_limits[] = { |
| 91 | { |
| 92 | .max = 1, |
Ilan Peer | 8eb3871 | 2013-06-01 20:17:18 +0300 | [diff] [blame] | 93 | .types = BIT(NL80211_IFTYPE_STATION), |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 94 | }, |
Johannes Berg | 3c15a0f | 2013-05-31 10:17:19 +0200 | [diff] [blame] | 95 | { |
| 96 | .max = 1, |
Ilan Peer | 8eb3871 | 2013-06-01 20:17:18 +0300 | [diff] [blame] | 97 | .types = BIT(NL80211_IFTYPE_AP) | |
| 98 | BIT(NL80211_IFTYPE_P2P_CLIENT) | |
Johannes Berg | 3c15a0f | 2013-05-31 10:17:19 +0200 | [diff] [blame] | 99 | BIT(NL80211_IFTYPE_P2P_GO), |
| 100 | }, |
| 101 | { |
| 102 | .max = 1, |
| 103 | .types = BIT(NL80211_IFTYPE_P2P_DEVICE), |
| 104 | }, |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 105 | }; |
| 106 | |
| 107 | static const struct ieee80211_iface_combination iwl_mvm_iface_combinations[] = { |
| 108 | { |
Emmanuel Grumbach | 2624a5c | 2014-12-16 13:02:03 +0200 | [diff] [blame] | 109 | .num_different_channels = 2, |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 110 | .max_interfaces = 3, |
| 111 | .limits = iwl_mvm_limits, |
| 112 | .n_limits = ARRAY_SIZE(iwl_mvm_limits), |
| 113 | }, |
| 114 | }; |
| 115 | |
Johannes Berg | f0c2646 | 2013-01-22 20:41:58 +0100 | [diff] [blame] | 116 | #ifdef CONFIG_PM_SLEEP |
| 117 | static const struct nl80211_wowlan_tcp_data_token_feature |
| 118 | iwl_mvm_wowlan_tcp_token_feature = { |
| 119 | .min_len = 0, |
| 120 | .max_len = 255, |
| 121 | .bufsize = IWL_WOWLAN_REMOTE_WAKE_MAX_TOKENS, |
| 122 | }; |
| 123 | |
| 124 | static const struct wiphy_wowlan_tcp_support iwl_mvm_wowlan_tcp_support = { |
| 125 | .tok = &iwl_mvm_wowlan_tcp_token_feature, |
| 126 | .data_payload_max = IWL_WOWLAN_TCP_MAX_PACKET_LEN - |
| 127 | sizeof(struct ethhdr) - |
| 128 | sizeof(struct iphdr) - |
| 129 | sizeof(struct tcphdr), |
| 130 | .data_interval_max = 65535, /* __le16 in API */ |
| 131 | .wake_payload_max = IWL_WOWLAN_REMOTE_WAKE_MAX_PACKET_LEN - |
| 132 | sizeof(struct ethhdr) - |
| 133 | sizeof(struct iphdr) - |
| 134 | sizeof(struct tcphdr), |
| 135 | .seq = true, |
| 136 | }; |
| 137 | #endif |
| 138 | |
Eliad Peller | 7773692 | 2014-01-14 12:35:49 +0200 | [diff] [blame] | 139 | #ifdef CONFIG_IWLWIFI_BCAST_FILTERING |
Eliad Peller | 2ee8f02 | 2014-01-13 19:07:09 +0200 | [diff] [blame] | 140 | /* |
| 141 | * Use the reserved field to indicate magic values. |
| 142 | * these values will only be used internally by the driver, |
| 143 | * and won't make it to the fw (reserved will be 0). |
| 144 | * BC_FILTER_MAGIC_IP - configure the val of this attribute to |
| 145 | * be the vif's ip address. in case there is not a single |
| 146 | * ip address (0, or more than 1), this attribute will |
| 147 | * be skipped. |
| 148 | * BC_FILTER_MAGIC_MAC - set the val of this attribute to |
| 149 | * the LSB bytes of the vif's mac address |
| 150 | */ |
| 151 | enum { |
| 152 | BC_FILTER_MAGIC_NONE = 0, |
| 153 | BC_FILTER_MAGIC_IP, |
| 154 | BC_FILTER_MAGIC_MAC, |
| 155 | }; |
| 156 | |
Eliad Peller | 7773692 | 2014-01-14 12:35:49 +0200 | [diff] [blame] | 157 | static const struct iwl_fw_bcast_filter iwl_mvm_default_bcast_filters[] = { |
| 158 | { |
| 159 | /* arp */ |
| 160 | .discard = 0, |
| 161 | .frame_type = BCAST_FILTER_FRAME_TYPE_ALL, |
| 162 | .attrs = { |
| 163 | { |
| 164 | /* frame type - arp, hw type - ethernet */ |
| 165 | .offset_type = |
| 166 | BCAST_FILTER_OFFSET_PAYLOAD_START, |
| 167 | .offset = sizeof(rfc1042_header), |
| 168 | .val = cpu_to_be32(0x08060001), |
| 169 | .mask = cpu_to_be32(0xffffffff), |
| 170 | }, |
Eliad Peller | 2ee8f02 | 2014-01-13 19:07:09 +0200 | [diff] [blame] | 171 | { |
| 172 | /* arp dest ip */ |
| 173 | .offset_type = |
| 174 | BCAST_FILTER_OFFSET_PAYLOAD_START, |
| 175 | .offset = sizeof(rfc1042_header) + 2 + |
| 176 | sizeof(struct arphdr) + |
| 177 | ETH_ALEN + sizeof(__be32) + |
| 178 | ETH_ALEN, |
| 179 | .mask = cpu_to_be32(0xffffffff), |
| 180 | /* mark it as special field */ |
| 181 | .reserved1 = cpu_to_le16(BC_FILTER_MAGIC_IP), |
| 182 | }, |
| 183 | }, |
| 184 | }, |
| 185 | { |
| 186 | /* dhcp offer bcast */ |
| 187 | .discard = 0, |
| 188 | .frame_type = BCAST_FILTER_FRAME_TYPE_IPV4, |
| 189 | .attrs = { |
| 190 | { |
| 191 | /* udp dest port - 68 (bootp client)*/ |
| 192 | .offset_type = BCAST_FILTER_OFFSET_IP_END, |
| 193 | .offset = offsetof(struct udphdr, dest), |
| 194 | .val = cpu_to_be32(0x00440000), |
| 195 | .mask = cpu_to_be32(0xffff0000), |
| 196 | }, |
| 197 | { |
| 198 | /* dhcp - lsb bytes of client hw address */ |
| 199 | .offset_type = BCAST_FILTER_OFFSET_IP_END, |
| 200 | .offset = 38, |
| 201 | .mask = cpu_to_be32(0xffffffff), |
| 202 | /* mark it as special field */ |
| 203 | .reserved1 = cpu_to_le16(BC_FILTER_MAGIC_MAC), |
| 204 | }, |
Eliad Peller | 7773692 | 2014-01-14 12:35:49 +0200 | [diff] [blame] | 205 | }, |
| 206 | }, |
| 207 | /* last filter must be empty */ |
| 208 | {}, |
| 209 | }; |
| 210 | #endif |
| 211 | |
Eliad Peller | 7498cf4 | 2014-01-16 17:10:44 +0200 | [diff] [blame] | 212 | void iwl_mvm_ref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type) |
| 213 | { |
Eliad Peller | 7bb426e | 2014-02-24 12:54:37 +0200 | [diff] [blame] | 214 | if (!iwl_mvm_is_d0i3_supported(mvm)) |
Eliad Peller | 7498cf4 | 2014-01-16 17:10:44 +0200 | [diff] [blame] | 215 | return; |
| 216 | |
| 217 | IWL_DEBUG_RPM(mvm, "Take mvm reference - type %d\n", ref_type); |
Eliad Peller | 576eeee | 2014-07-01 18:38:38 +0300 | [diff] [blame] | 218 | spin_lock_bh(&mvm->refs_lock); |
| 219 | mvm->refs[ref_type]++; |
| 220 | spin_unlock_bh(&mvm->refs_lock); |
Eliad Peller | 7498cf4 | 2014-01-16 17:10:44 +0200 | [diff] [blame] | 221 | iwl_trans_ref(mvm->trans); |
| 222 | } |
| 223 | |
| 224 | void iwl_mvm_unref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type) |
| 225 | { |
Eliad Peller | 7bb426e | 2014-02-24 12:54:37 +0200 | [diff] [blame] | 226 | if (!iwl_mvm_is_d0i3_supported(mvm)) |
Eliad Peller | 7498cf4 | 2014-01-16 17:10:44 +0200 | [diff] [blame] | 227 | return; |
| 228 | |
| 229 | IWL_DEBUG_RPM(mvm, "Leave mvm reference - type %d\n", ref_type); |
Eliad Peller | 576eeee | 2014-07-01 18:38:38 +0300 | [diff] [blame] | 230 | spin_lock_bh(&mvm->refs_lock); |
| 231 | WARN_ON(!mvm->refs[ref_type]--); |
| 232 | spin_unlock_bh(&mvm->refs_lock); |
Eliad Peller | 7498cf4 | 2014-01-16 17:10:44 +0200 | [diff] [blame] | 233 | iwl_trans_unref(mvm->trans); |
| 234 | } |
| 235 | |
Eliad Peller | 576eeee | 2014-07-01 18:38:38 +0300 | [diff] [blame] | 236 | static void iwl_mvm_unref_all_except(struct iwl_mvm *mvm, |
| 237 | enum iwl_mvm_ref_type except_ref) |
Eliad Peller | 7498cf4 | 2014-01-16 17:10:44 +0200 | [diff] [blame] | 238 | { |
Eliad Peller | 576eeee | 2014-07-01 18:38:38 +0300 | [diff] [blame] | 239 | int i, j; |
Eliad Peller | 7498cf4 | 2014-01-16 17:10:44 +0200 | [diff] [blame] | 240 | |
Eliad Peller | 7bb426e | 2014-02-24 12:54:37 +0200 | [diff] [blame] | 241 | if (!iwl_mvm_is_d0i3_supported(mvm)) |
Eliad Peller | 7498cf4 | 2014-01-16 17:10:44 +0200 | [diff] [blame] | 242 | return; |
| 243 | |
Eliad Peller | 576eeee | 2014-07-01 18:38:38 +0300 | [diff] [blame] | 244 | spin_lock_bh(&mvm->refs_lock); |
| 245 | for (i = 0; i < IWL_MVM_REF_COUNT; i++) { |
| 246 | if (except_ref == i || !mvm->refs[i]) |
Eliad Peller | 7498cf4 | 2014-01-16 17:10:44 +0200 | [diff] [blame] | 247 | continue; |
| 248 | |
Eliad Peller | 576eeee | 2014-07-01 18:38:38 +0300 | [diff] [blame] | 249 | IWL_DEBUG_RPM(mvm, "Cleanup: remove mvm ref type %d (%d)\n", |
| 250 | i, mvm->refs[i]); |
| 251 | for (j = 0; j < mvm->refs[i]; j++) |
| 252 | iwl_trans_unref(mvm->trans); |
| 253 | mvm->refs[i] = 0; |
Eliad Peller | 7498cf4 | 2014-01-16 17:10:44 +0200 | [diff] [blame] | 254 | } |
Eliad Peller | 576eeee | 2014-07-01 18:38:38 +0300 | [diff] [blame] | 255 | spin_unlock_bh(&mvm->refs_lock); |
Eliad Peller | 7498cf4 | 2014-01-16 17:10:44 +0200 | [diff] [blame] | 256 | } |
| 257 | |
Eliad Peller | f4cf868 | 2014-11-04 16:57:06 +0200 | [diff] [blame] | 258 | bool iwl_mvm_ref_taken(struct iwl_mvm *mvm) |
| 259 | { |
| 260 | int i; |
| 261 | bool taken = false; |
| 262 | |
| 263 | if (!iwl_mvm_is_d0i3_supported(mvm)) |
| 264 | return true; |
| 265 | |
| 266 | spin_lock_bh(&mvm->refs_lock); |
| 267 | for (i = 0; i < IWL_MVM_REF_COUNT; i++) { |
| 268 | if (mvm->refs[i]) { |
| 269 | taken = true; |
| 270 | break; |
| 271 | } |
| 272 | } |
| 273 | spin_unlock_bh(&mvm->refs_lock); |
| 274 | |
| 275 | return taken; |
| 276 | } |
| 277 | |
Eliad Peller | 576eeee | 2014-07-01 18:38:38 +0300 | [diff] [blame] | 278 | 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] | 279 | { |
| 280 | iwl_mvm_ref(mvm, ref_type); |
| 281 | |
| 282 | if (!wait_event_timeout(mvm->d0i3_exit_waitq, |
| 283 | !test_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status), |
| 284 | HZ)) { |
| 285 | WARN_ON_ONCE(1); |
| 286 | iwl_mvm_unref(mvm, ref_type); |
| 287 | return -EIO; |
| 288 | } |
| 289 | |
| 290 | return 0; |
| 291 | } |
| 292 | |
Ilan Peer | fe0f2de | 2013-03-21 10:23:52 +0200 | [diff] [blame] | 293 | static void iwl_mvm_reset_phy_ctxts(struct iwl_mvm *mvm) |
| 294 | { |
| 295 | int i; |
| 296 | |
| 297 | memset(mvm->phy_ctxts, 0, sizeof(mvm->phy_ctxts)); |
| 298 | for (i = 0; i < NUM_PHY_CTX; i++) { |
| 299 | mvm->phy_ctxts[i].id = i; |
| 300 | mvm->phy_ctxts[i].ref = 0; |
| 301 | } |
| 302 | } |
| 303 | |
Arik Nemtsov | 88931cc | 2014-03-05 12:26:15 +0200 | [diff] [blame] | 304 | struct ieee80211_regdomain *iwl_mvm_get_regdomain(struct wiphy *wiphy, |
Eran Harary | 8ba2d7a | 2015-02-08 11:41:43 +0200 | [diff] [blame] | 305 | const char *alpha2, |
Jonathan Doron | 47c8b15 | 2014-11-27 16:55:25 +0200 | [diff] [blame] | 306 | enum iwl_mcc_source src_id, |
| 307 | bool *changed) |
Arik Nemtsov | 88931cc | 2014-03-05 12:26:15 +0200 | [diff] [blame] | 308 | { |
| 309 | struct ieee80211_regdomain *regd = NULL; |
| 310 | struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy); |
| 311 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); |
| 312 | struct iwl_mcc_update_resp *resp; |
| 313 | |
| 314 | IWL_DEBUG_LAR(mvm, "Getting regdomain data for %s from FW\n", alpha2); |
| 315 | |
Eran Harary | 8ba2d7a | 2015-02-08 11:41:43 +0200 | [diff] [blame] | 316 | lockdep_assert_held(&mvm->mutex); |
Arik Nemtsov | 88931cc | 2014-03-05 12:26:15 +0200 | [diff] [blame] | 317 | |
Eran Harary | 8ba2d7a | 2015-02-08 11:41:43 +0200 | [diff] [blame] | 318 | resp = iwl_mvm_update_mcc(mvm, alpha2, src_id); |
Arik Nemtsov | 88931cc | 2014-03-05 12:26:15 +0200 | [diff] [blame] | 319 | if (IS_ERR_OR_NULL(resp)) { |
| 320 | IWL_DEBUG_LAR(mvm, "Could not get update from FW %d\n", |
Nicholas Krause | b8c474d | 2015-05-23 20:53:21 -0400 | [diff] [blame] | 321 | PTR_ERR_OR_ZERO(resp)); |
Eran Harary | 8ba2d7a | 2015-02-08 11:41:43 +0200 | [diff] [blame] | 322 | goto out; |
Arik Nemtsov | 88931cc | 2014-03-05 12:26:15 +0200 | [diff] [blame] | 323 | } |
| 324 | |
Jonathan Doron | 47c8b15 | 2014-11-27 16:55:25 +0200 | [diff] [blame] | 325 | if (changed) |
| 326 | *changed = (resp->status == MCC_RESP_NEW_CHAN_PROFILE); |
| 327 | |
Arik Nemtsov | 162ee3c | 2014-06-10 11:25:35 +0300 | [diff] [blame] | 328 | regd = iwl_parse_nvm_mcc_info(mvm->trans->dev, mvm->cfg, |
Arik Nemtsov | 88931cc | 2014-03-05 12:26:15 +0200 | [diff] [blame] | 329 | __le32_to_cpu(resp->n_channels), |
| 330 | resp->channels, |
| 331 | __le16_to_cpu(resp->mcc)); |
Eran Harary | 8ba2d7a | 2015-02-08 11:41:43 +0200 | [diff] [blame] | 332 | /* Store the return source id */ |
| 333 | src_id = resp->source_id; |
Arik Nemtsov | 88931cc | 2014-03-05 12:26:15 +0200 | [diff] [blame] | 334 | kfree(resp); |
| 335 | if (IS_ERR_OR_NULL(regd)) { |
| 336 | 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] | 337 | PTR_ERR_OR_ZERO(regd)); |
Eran Harary | 8ba2d7a | 2015-02-08 11:41:43 +0200 | [diff] [blame] | 338 | goto out; |
Arik Nemtsov | 88931cc | 2014-03-05 12:26:15 +0200 | [diff] [blame] | 339 | } |
| 340 | |
Eran Harary | 8ba2d7a | 2015-02-08 11:41:43 +0200 | [diff] [blame] | 341 | IWL_DEBUG_LAR(mvm, "setting alpha2 from FW to %s (0x%x, 0x%x) src=%d\n", |
| 342 | regd->alpha2, regd->alpha2[0], regd->alpha2[1], src_id); |
Arik Nemtsov | 88931cc | 2014-03-05 12:26:15 +0200 | [diff] [blame] | 343 | mvm->lar_regdom_set = true; |
Eran Harary | 8ba2d7a | 2015-02-08 11:41:43 +0200 | [diff] [blame] | 344 | mvm->mcc_src = src_id; |
Arik Nemtsov | 88931cc | 2014-03-05 12:26:15 +0200 | [diff] [blame] | 345 | |
Eran Harary | 8ba2d7a | 2015-02-08 11:41:43 +0200 | [diff] [blame] | 346 | out: |
Arik Nemtsov | 88931cc | 2014-03-05 12:26:15 +0200 | [diff] [blame] | 347 | return regd; |
| 348 | } |
| 349 | |
Jonathan Doron | 47c8b15 | 2014-11-27 16:55:25 +0200 | [diff] [blame] | 350 | void iwl_mvm_update_changed_regdom(struct iwl_mvm *mvm) |
| 351 | { |
| 352 | bool changed; |
| 353 | struct ieee80211_regdomain *regd; |
| 354 | |
| 355 | if (!iwl_mvm_is_lar_supported(mvm)) |
| 356 | return; |
| 357 | |
| 358 | regd = iwl_mvm_get_current_regdomain(mvm, &changed); |
| 359 | if (!IS_ERR_OR_NULL(regd)) { |
| 360 | /* only update the regulatory core if changed */ |
| 361 | if (changed) |
| 362 | regulatory_set_wiphy_regd(mvm->hw->wiphy, regd); |
| 363 | |
| 364 | kfree(regd); |
| 365 | } |
| 366 | } |
| 367 | |
| 368 | struct ieee80211_regdomain *iwl_mvm_get_current_regdomain(struct iwl_mvm *mvm, |
| 369 | bool *changed) |
Eran Harary | 8ba2d7a | 2015-02-08 11:41:43 +0200 | [diff] [blame] | 370 | { |
| 371 | return iwl_mvm_get_regdomain(mvm->hw->wiphy, "ZZ", |
| 372 | iwl_mvm_is_wifi_mcc_supported(mvm) ? |
| 373 | MCC_SOURCE_GET_CURRENT : |
Jonathan Doron | 47c8b15 | 2014-11-27 16:55:25 +0200 | [diff] [blame] | 374 | MCC_SOURCE_OLD_FW, changed); |
Eran Harary | 8ba2d7a | 2015-02-08 11:41:43 +0200 | [diff] [blame] | 375 | } |
| 376 | |
| 377 | int iwl_mvm_init_fw_regd(struct iwl_mvm *mvm) |
| 378 | { |
| 379 | enum iwl_mcc_source used_src; |
| 380 | struct ieee80211_regdomain *regd; |
Arik Nemtsov | b6e160a | 2015-03-23 14:32:53 +0200 | [diff] [blame] | 381 | int ret; |
| 382 | bool changed; |
Eran Harary | 8ba2d7a | 2015-02-08 11:41:43 +0200 | [diff] [blame] | 383 | const struct ieee80211_regdomain *r = |
| 384 | rtnl_dereference(mvm->hw->wiphy->regd); |
| 385 | |
| 386 | if (!r) |
Arik Nemtsov | b6e160a | 2015-03-23 14:32:53 +0200 | [diff] [blame] | 387 | return -ENOENT; |
Eran Harary | 8ba2d7a | 2015-02-08 11:41:43 +0200 | [diff] [blame] | 388 | |
| 389 | /* save the last source in case we overwrite it below */ |
| 390 | used_src = mvm->mcc_src; |
| 391 | if (iwl_mvm_is_wifi_mcc_supported(mvm)) { |
| 392 | /* Notify the firmware we support wifi location updates */ |
Jonathan Doron | 47c8b15 | 2014-11-27 16:55:25 +0200 | [diff] [blame] | 393 | regd = iwl_mvm_get_current_regdomain(mvm, NULL); |
Eran Harary | 8ba2d7a | 2015-02-08 11:41:43 +0200 | [diff] [blame] | 394 | if (!IS_ERR_OR_NULL(regd)) |
| 395 | kfree(regd); |
| 396 | } |
| 397 | |
| 398 | /* Now set our last stored MCC and source */ |
Arik Nemtsov | b6e160a | 2015-03-23 14:32:53 +0200 | [diff] [blame] | 399 | regd = iwl_mvm_get_regdomain(mvm->hw->wiphy, r->alpha2, used_src, |
| 400 | &changed); |
Eran Harary | 8ba2d7a | 2015-02-08 11:41:43 +0200 | [diff] [blame] | 401 | if (IS_ERR_OR_NULL(regd)) |
| 402 | return -EIO; |
| 403 | |
Arik Nemtsov | b6e160a | 2015-03-23 14:32:53 +0200 | [diff] [blame] | 404 | /* update cfg80211 if the regdomain was changed */ |
| 405 | if (changed) |
| 406 | ret = regulatory_set_wiphy_regd_sync_rtnl(mvm->hw->wiphy, regd); |
| 407 | else |
| 408 | ret = 0; |
Eran Harary | 8ba2d7a | 2015-02-08 11:41:43 +0200 | [diff] [blame] | 409 | |
Arik Nemtsov | b6e160a | 2015-03-23 14:32:53 +0200 | [diff] [blame] | 410 | kfree(regd); |
| 411 | return ret; |
Eran Harary | 8ba2d7a | 2015-02-08 11:41:43 +0200 | [diff] [blame] | 412 | } |
| 413 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 414 | int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm) |
| 415 | { |
| 416 | struct ieee80211_hw *hw = mvm->hw; |
Ilan Peer | 831e85f | 2013-02-07 17:09:09 +0200 | [diff] [blame] | 417 | int num_mac, ret, i; |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 418 | |
| 419 | /* Tell mac80211 our characteristics */ |
| 420 | hw->flags = IEEE80211_HW_SIGNAL_DBM | |
| 421 | IEEE80211_HW_SPECTRUM_MGMT | |
| 422 | IEEE80211_HW_REPORTS_TX_ACK_STATUS | |
| 423 | IEEE80211_HW_QUEUE_CONTROL | |
| 424 | IEEE80211_HW_WANT_MONITOR_VIF | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 425 | IEEE80211_HW_SUPPORTS_PS | |
| 426 | IEEE80211_HW_SUPPORTS_DYNAMIC_PS | |
Johannes Berg | d2931bb | 2013-02-05 18:10:04 +0100 | [diff] [blame] | 427 | IEEE80211_HW_AMPDU_AGGREGATION | |
Hila Gonen | d64048e | 2013-03-13 18:00:03 +0200 | [diff] [blame] | 428 | IEEE80211_HW_TIMING_BEACON_ONLY | |
Emmanuel Grumbach | 147fc9b | 2013-07-28 11:00:52 +0300 | [diff] [blame] | 429 | IEEE80211_HW_CONNECTION_MONITOR | |
Ido Yariv | b71d9c8 | 2014-07-23 09:31:14 -0400 | [diff] [blame] | 430 | IEEE80211_HW_CHANCTX_STA_CSA | |
| 431 | IEEE80211_HW_SUPPORTS_CLONED_SKBS; |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 432 | |
Eytan Lifshitz | 19e737c | 2013-09-09 13:30:15 +0200 | [diff] [blame] | 433 | hw->queues = mvm->first_agg_queue; |
Ilan Peer | 398e8c6 | 2013-03-13 15:20:35 +0200 | [diff] [blame] | 434 | hw->offchannel_tx_hw_queue = IWL_MVM_OFFCHANNEL_QUEUE; |
Emmanuel Grumbach | 7b1dd04 | 2014-02-04 15:32:43 +0200 | [diff] [blame] | 435 | hw->radiotap_mcs_details |= IEEE80211_RADIOTAP_MCS_HAVE_FEC | |
| 436 | IEEE80211_RADIOTAP_MCS_HAVE_STBC; |
Eyal Shapira | 339b308 | 2014-11-18 16:43:55 +0200 | [diff] [blame] | 437 | hw->radiotap_vht_details |= IEEE80211_RADIOTAP_VHT_KNOWN_STBC | |
| 438 | IEEE80211_RADIOTAP_VHT_KNOWN_BEAMFORMED; |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 439 | hw->rate_control_algorithm = "iwl-mvm-rs"; |
Johannes Berg | 848955c | 2014-11-11 12:48:42 +0100 | [diff] [blame] | 440 | hw->uapsd_queues = IWL_MVM_UAPSD_QUEUES; |
| 441 | hw->uapsd_max_sp_len = IWL_UAPSD_MAX_SP; |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 442 | |
| 443 | /* |
| 444 | * Enable 11w if advertised by firmware and software crypto |
| 445 | * is not enabled (as the firmware will interpret some mgmt |
| 446 | * packets, so enabling it with software crypto isn't safe) |
| 447 | */ |
| 448 | if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_MFP && |
| 449 | !iwlwifi_mod_params.sw_crypto) |
| 450 | hw->flags |= IEEE80211_HW_MFP_CAPABLE; |
| 451 | |
Luciano Coelho | 1f94038 | 2015-02-10 13:03:38 +0200 | [diff] [blame] | 452 | hw->flags |= IEEE80211_SINGLE_HW_SCAN_ON_ALL_BANDS; |
| 453 | hw->wiphy->features |= |
| 454 | NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR | |
Johannes Berg | 3db9342 | 2015-05-06 14:56:51 +0200 | [diff] [blame^] | 455 | NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR | |
| 456 | NL80211_FEATURE_ND_RANDOM_MAC_ADDR; |
David Spinadel | fb98be5 | 2014-05-04 12:51:10 +0300 | [diff] [blame] | 457 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 458 | hw->sta_data_size = sizeof(struct iwl_mvm_sta); |
| 459 | hw->vif_data_size = sizeof(struct iwl_mvm_vif); |
Ilan Peer | fe0f2de | 2013-03-21 10:23:52 +0200 | [diff] [blame] | 460 | hw->chanctx_data_size = sizeof(u16); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 461 | |
| 462 | hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | |
Johannes Berg | 3c15a0f | 2013-05-31 10:17:19 +0200 | [diff] [blame] | 463 | BIT(NL80211_IFTYPE_P2P_CLIENT) | |
| 464 | BIT(NL80211_IFTYPE_AP) | |
| 465 | BIT(NL80211_IFTYPE_P2P_GO) | |
Emmanuel Grumbach | c13b172 | 2014-03-27 19:12:12 +0200 | [diff] [blame] | 466 | BIT(NL80211_IFTYPE_P2P_DEVICE) | |
| 467 | BIT(NL80211_IFTYPE_ADHOC); |
Johannes Berg | 5023d96 | 2013-07-31 14:07:43 +0200 | [diff] [blame] | 468 | |
Luis R. Rodriguez | a2f73b6 | 2013-11-11 22:15:29 +0100 | [diff] [blame] | 469 | hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN; |
Eran Harary | 8ba2d7a | 2015-02-08 11:41:43 +0200 | [diff] [blame] | 470 | hw->wiphy->regulatory_flags |= REGULATORY_ENABLE_RELAX_NO_IR; |
| 471 | if (iwl_mvm_is_lar_supported(mvm)) |
| 472 | hw->wiphy->regulatory_flags |= REGULATORY_WIPHY_SELF_MANAGED; |
| 473 | else |
| 474 | hw->wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG | |
| 475 | REGULATORY_DISABLE_BEACON_HINTS; |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 476 | |
Johannes Berg | 3e56ead | 2013-02-15 22:23:18 +0100 | [diff] [blame] | 477 | if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_GO_UAPSD) |
| 478 | hw->wiphy->flags |= WIPHY_FLAG_AP_UAPSD; |
| 479 | |
Emmanuel Grumbach | 94bbed7 | 2014-11-24 08:53:33 +0200 | [diff] [blame] | 480 | hw->wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH; |
Andrei Otcheretianski | bd3398e | 2013-10-22 05:01:12 +0200 | [diff] [blame] | 481 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 482 | hw->wiphy->iface_combinations = iwl_mvm_iface_combinations; |
| 483 | hw->wiphy->n_iface_combinations = |
| 484 | ARRAY_SIZE(iwl_mvm_iface_combinations); |
| 485 | |
Ilan Peer | c451e6d | 2013-02-20 08:41:54 +0200 | [diff] [blame] | 486 | hw->wiphy->max_remain_on_channel_duration = 10000; |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 487 | hw->max_listen_interval = IWL_CONN_MAX_LISTEN_INTERVAL; |
Emmanuel Grumbach | f1a6854 | 2014-12-16 12:31:13 +0200 | [diff] [blame] | 488 | /* we can compensate an offset of up to 3 channels = 15 MHz */ |
| 489 | hw->wiphy->max_adj_channel_rssi_comp = 3 * 5; |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 490 | |
| 491 | /* Extract MAC address */ |
| 492 | memcpy(mvm->addresses[0].addr, mvm->nvm_data->hw_addr, ETH_ALEN); |
| 493 | hw->wiphy->addresses = mvm->addresses; |
| 494 | hw->wiphy->n_addresses = 1; |
Ilan Peer | 831e85f | 2013-02-07 17:09:09 +0200 | [diff] [blame] | 495 | |
| 496 | /* Extract additional MAC addresses if available */ |
| 497 | num_mac = (mvm->nvm_data->n_hw_addrs > 1) ? |
| 498 | min(IWL_MVM_MAX_ADDRESSES, mvm->nvm_data->n_hw_addrs) : 1; |
| 499 | |
| 500 | for (i = 1; i < num_mac; i++) { |
| 501 | memcpy(mvm->addresses[i].addr, mvm->addresses[i-1].addr, |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 502 | ETH_ALEN); |
Ilan Peer | 831e85f | 2013-02-07 17:09:09 +0200 | [diff] [blame] | 503 | mvm->addresses[i].addr[5]++; |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 504 | hw->wiphy->n_addresses++; |
| 505 | } |
| 506 | |
Ilan Peer | fe0f2de | 2013-03-21 10:23:52 +0200 | [diff] [blame] | 507 | iwl_mvm_reset_phy_ctxts(mvm); |
| 508 | |
Luciano Coelho | 999d256 | 2015-03-27 10:28:26 +0300 | [diff] [blame] | 509 | 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] | 510 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 511 | hw->wiphy->max_scan_ssids = PROBE_OPTION_MAX; |
| 512 | |
Luciano Coelho | 507e4cd | 2015-03-19 22:58:33 +0200 | [diff] [blame] | 513 | BUILD_BUG_ON(IWL_MVM_MAX_UMAC_SCANS > HWEIGHT32(IWL_MVM_SCAN_MASK) || |
| 514 | IWL_MVM_MAX_LMAC_SCANS > HWEIGHT32(IWL_MVM_SCAN_MASK)); |
| 515 | |
| 516 | if (mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_CAPA_UMAC_SCAN) |
| 517 | mvm->max_scans = IWL_MVM_MAX_UMAC_SCANS; |
| 518 | else |
| 519 | mvm->max_scans = IWL_MVM_MAX_LMAC_SCANS; |
| 520 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 521 | if (mvm->nvm_data->bands[IEEE80211_BAND_2GHZ].n_channels) |
| 522 | hw->wiphy->bands[IEEE80211_BAND_2GHZ] = |
| 523 | &mvm->nvm_data->bands[IEEE80211_BAND_2GHZ]; |
Eyal Shapira | 3d44eeb | 2015-01-16 22:37:04 +0200 | [diff] [blame] | 524 | if (mvm->nvm_data->bands[IEEE80211_BAND_5GHZ].n_channels) { |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 525 | hw->wiphy->bands[IEEE80211_BAND_5GHZ] = |
| 526 | &mvm->nvm_data->bands[IEEE80211_BAND_5GHZ]; |
| 527 | |
Eyal Shapira | c9faccc | 2015-02-23 10:02:23 +0200 | [diff] [blame] | 528 | if ((mvm->fw->ucode_capa.capa[0] & |
| 529 | IWL_UCODE_TLV_CAPA_BEAMFORMER) && |
| 530 | (mvm->fw->ucode_capa.api[0] & |
| 531 | IWL_UCODE_TLV_API_LQ_SS_PARAMS)) |
Eyal Shapira | 3d44eeb | 2015-01-16 22:37:04 +0200 | [diff] [blame] | 532 | hw->wiphy->bands[IEEE80211_BAND_5GHZ]->vht_cap.cap |= |
| 533 | IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE; |
| 534 | } |
| 535 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 536 | hw->wiphy->hw_version = mvm->trans->hw_id; |
| 537 | |
Alexander Bondar | ade5065 | 2013-04-03 16:28:47 +0300 | [diff] [blame] | 538 | if (iwlmvm_mod_params.power_scheme != IWL_POWER_SCHEME_CAM) |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 539 | hw->wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT; |
| 540 | else |
| 541 | hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT; |
| 542 | |
Emmanuel Grumbach | 9954b37 | 2015-03-16 14:49:55 +0200 | [diff] [blame] | 543 | hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_SCHED_SCAN; |
| 544 | hw->wiphy->max_sched_scan_ssids = PROBE_OPTION_MAX; |
| 545 | hw->wiphy->max_match_sets = IWL_SCAN_MAX_PROFILES; |
| 546 | /* we create the 802.11 header and zero length SSID IE. */ |
| 547 | hw->wiphy->max_sched_scan_ie_len = |
| 548 | SCAN_OFFLOAD_PROBE_REQ_SIZE - 24 - 2; |
David Spinadel | 35a000b | 2013-08-28 09:29:43 +0300 | [diff] [blame] | 549 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 550 | hw->wiphy->features |= NL80211_FEATURE_P2P_GO_CTWIN | |
Johannes Berg | ab48003 | 2014-06-04 10:13:50 +0200 | [diff] [blame] | 551 | NL80211_FEATURE_LOW_PRIORITY_SCAN | |
Eliad Peller | 0d8614b | 2014-09-10 14:07:36 +0300 | [diff] [blame] | 552 | NL80211_FEATURE_P2P_GO_OPPPS | |
| 553 | NL80211_FEATURE_DYNAMIC_SMPS | |
Emmanuel Grumbach | 9b5452f | 2014-10-07 10:38:53 +0300 | [diff] [blame] | 554 | NL80211_FEATURE_STATIC_SMPS | |
| 555 | NL80211_FEATURE_SUPPORTS_WMM_ADMISSION; |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 556 | |
Andrei Otcheretianski | f1daa00 | 2014-07-01 12:54:25 +0300 | [diff] [blame] | 557 | if (mvm->fw->ucode_capa.capa[0] & |
| 558 | IWL_UCODE_TLV_CAPA_TXPOWER_INSERTION_SUPPORT) |
| 559 | hw->wiphy->features |= NL80211_FEATURE_TX_POWER_INSERTION; |
Assaf Krauss | 226bcd4 | 2014-03-13 08:12:15 +0200 | [diff] [blame] | 560 | if (mvm->fw->ucode_capa.capa[0] & |
| 561 | IWL_UCODE_TLV_CAPA_QUIET_PERIOD_SUPPORT) |
| 562 | hw->wiphy->features |= NL80211_FEATURE_QUIET; |
Andrei Otcheretianski | f1daa00 | 2014-07-01 12:54:25 +0300 | [diff] [blame] | 563 | |
Andrei Otcheretianski | 73897bd | 2014-07-09 18:59:14 +0300 | [diff] [blame] | 564 | if (mvm->fw->ucode_capa.capa[0] & |
| 565 | IWL_UCODE_TLV_CAPA_DS_PARAM_SET_IE_SUPPORT) |
| 566 | hw->wiphy->features |= |
| 567 | NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES; |
| 568 | |
| 569 | if (mvm->fw->ucode_capa.capa[0] & |
| 570 | IWL_UCODE_TLV_CAPA_WFA_TPC_REP_IE_SUPPORT) |
| 571 | hw->wiphy->features |= NL80211_FEATURE_WFA_TPC_IE_IN_PROBES; |
| 572 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 573 | mvm->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD; |
| 574 | |
Max Stepanov | e36e543 | 2013-08-27 19:56:13 +0300 | [diff] [blame] | 575 | /* currently FW API supports only one optional cipher scheme */ |
Johannes Berg | 9ddca86 | 2014-01-06 09:29:40 +0100 | [diff] [blame] | 576 | if (mvm->fw->cs[0].cipher) { |
Max Stepanov | e36e543 | 2013-08-27 19:56:13 +0300 | [diff] [blame] | 577 | mvm->hw->n_cipher_schemes = 1; |
Johannes Berg | 9ddca86 | 2014-01-06 09:29:40 +0100 | [diff] [blame] | 578 | mvm->hw->cipher_schemes = &mvm->fw->cs[0]; |
Max Stepanov | e36e543 | 2013-08-27 19:56:13 +0300 | [diff] [blame] | 579 | } |
| 580 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 581 | #ifdef CONFIG_PM_SLEEP |
Eliad Peller | d15a747 | 2014-03-27 18:53:12 +0200 | [diff] [blame] | 582 | if (iwl_mvm_is_d0i3_supported(mvm) && |
| 583 | device_can_wakeup(mvm->trans->dev)) { |
| 584 | mvm->wowlan.flags = WIPHY_WOWLAN_ANY; |
| 585 | hw->wiphy->wowlan = &mvm->wowlan; |
Eliad Peller | 9174244 | 2014-12-09 15:54:46 +0200 | [diff] [blame] | 586 | } |
| 587 | |
| 588 | if (mvm->fw->img[IWL_UCODE_WOWLAN].sec[0].len && |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 589 | mvm->trans->ops->d3_suspend && |
| 590 | mvm->trans->ops->d3_resume && |
| 591 | device_can_wakeup(mvm->trans->dev)) { |
Eliad Peller | 9174244 | 2014-12-09 15:54:46 +0200 | [diff] [blame] | 592 | mvm->wowlan.flags |= WIPHY_WOWLAN_MAGIC_PKT | |
| 593 | WIPHY_WOWLAN_DISCONNECT | |
| 594 | WIPHY_WOWLAN_EAP_IDENTITY_REQ | |
| 595 | WIPHY_WOWLAN_RFKILL_RELEASE | |
| 596 | WIPHY_WOWLAN_NET_DETECT; |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 597 | if (!iwlwifi_mod_params.sw_crypto) |
Johannes Berg | 964dc9e | 2013-06-03 17:25:34 +0200 | [diff] [blame] | 598 | mvm->wowlan.flags |= WIPHY_WOWLAN_SUPPORTS_GTK_REKEY | |
| 599 | WIPHY_WOWLAN_GTK_REKEY_FAILURE | |
| 600 | WIPHY_WOWLAN_4WAY_HANDSHAKE; |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 601 | |
Johannes Berg | 964dc9e | 2013-06-03 17:25:34 +0200 | [diff] [blame] | 602 | mvm->wowlan.n_patterns = IWL_WOWLAN_MAX_PATTERNS; |
| 603 | mvm->wowlan.pattern_min_len = IWL_WOWLAN_MIN_PATTERN_LEN; |
| 604 | mvm->wowlan.pattern_max_len = IWL_WOWLAN_MAX_PATTERN_LEN; |
Luciano Coelho | c55385f | 2014-10-24 10:39:51 +0300 | [diff] [blame] | 605 | mvm->wowlan.max_nd_match_sets = IWL_SCAN_MAX_PROFILES; |
Johannes Berg | 964dc9e | 2013-06-03 17:25:34 +0200 | [diff] [blame] | 606 | mvm->wowlan.tcp = &iwl_mvm_wowlan_tcp_support; |
| 607 | hw->wiphy->wowlan = &mvm->wowlan; |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 608 | } |
| 609 | #endif |
| 610 | |
Eliad Peller | 7773692 | 2014-01-14 12:35:49 +0200 | [diff] [blame] | 611 | #ifdef CONFIG_IWLWIFI_BCAST_FILTERING |
| 612 | /* assign default bcast filtering configuration */ |
| 613 | mvm->bcast_filters = iwl_mvm_default_bcast_filters; |
| 614 | #endif |
| 615 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 616 | ret = iwl_mvm_leds_init(mvm); |
| 617 | if (ret) |
| 618 | return ret; |
| 619 | |
Arik Nemtsov | d8f1c51 | 2014-05-11 18:13:04 +0300 | [diff] [blame] | 620 | if (mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_CAPA_TDLS_SUPPORT) { |
| 621 | IWL_DEBUG_TDLS(mvm, "TDLS supported\n"); |
| 622 | hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS; |
| 623 | } |
| 624 | |
Arik Nemtsov | 1d3c3f6 | 2014-10-23 18:03:10 +0300 | [diff] [blame] | 625 | if (mvm->fw->ucode_capa.capa[0] & |
| 626 | IWL_UCODE_TLV_CAPA_TDLS_CHANNEL_SWITCH) { |
| 627 | IWL_DEBUG_TDLS(mvm, "TDLS channel switch supported\n"); |
| 628 | hw->wiphy->features |= NL80211_FEATURE_TDLS_CHANNEL_SWITCH; |
| 629 | } |
| 630 | |
Emmanuel Grumbach | b7327d8 | 2013-06-24 15:44:03 +0300 | [diff] [blame] | 631 | ret = ieee80211_register_hw(mvm->hw); |
| 632 | if (ret) |
| 633 | iwl_mvm_leds_exit(mvm); |
| 634 | |
| 635 | return ret; |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 636 | } |
| 637 | |
Arik Nemtsov | b249250 | 2014-03-13 12:21:50 +0200 | [diff] [blame] | 638 | static bool iwl_mvm_defer_tx(struct iwl_mvm *mvm, |
| 639 | struct ieee80211_sta *sta, |
| 640 | struct sk_buff *skb) |
| 641 | { |
| 642 | struct iwl_mvm_sta *mvmsta; |
| 643 | bool defer = false; |
| 644 | |
| 645 | /* |
| 646 | * double check the IN_D0I3 flag both before and after |
| 647 | * taking the spinlock, in order to prevent taking |
| 648 | * the spinlock when not needed. |
| 649 | */ |
| 650 | if (likely(!test_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status))) |
| 651 | return false; |
| 652 | |
| 653 | spin_lock(&mvm->d0i3_tx_lock); |
| 654 | /* |
| 655 | * testing the flag again ensures the skb dequeue |
| 656 | * loop (on d0i3 exit) hasn't run yet. |
| 657 | */ |
| 658 | if (!test_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status)) |
| 659 | goto out; |
| 660 | |
| 661 | mvmsta = iwl_mvm_sta_from_mac80211(sta); |
| 662 | if (mvmsta->sta_id == IWL_MVM_STATION_COUNT || |
| 663 | mvmsta->sta_id != mvm->d0i3_ap_sta_id) |
| 664 | goto out; |
| 665 | |
| 666 | __skb_queue_tail(&mvm->d0i3_tx, skb); |
| 667 | ieee80211_stop_queues(mvm->hw); |
| 668 | |
| 669 | /* trigger wakeup */ |
| 670 | iwl_mvm_ref(mvm, IWL_MVM_REF_TX); |
| 671 | iwl_mvm_unref(mvm, IWL_MVM_REF_TX); |
| 672 | |
| 673 | defer = true; |
| 674 | out: |
| 675 | spin_unlock(&mvm->d0i3_tx_lock); |
| 676 | return defer; |
| 677 | } |
| 678 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 679 | static void iwl_mvm_mac_tx(struct ieee80211_hw *hw, |
| 680 | struct ieee80211_tx_control *control, |
| 681 | struct sk_buff *skb) |
| 682 | { |
| 683 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); |
Johannes Berg | 3e56ead | 2013-02-15 22:23:18 +0100 | [diff] [blame] | 684 | struct ieee80211_sta *sta = control->sta; |
| 685 | struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); |
| 686 | struct ieee80211_hdr *hdr = (void *)skb->data; |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 687 | |
Eytan Lifshitz | 9ee718a | 2013-05-19 19:14:41 +0300 | [diff] [blame] | 688 | if (iwl_mvm_is_radio_killed(mvm)) { |
| 689 | IWL_DEBUG_DROP(mvm, "Dropping - RF/CT KILL\n"); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 690 | goto drop; |
| 691 | } |
| 692 | |
Ilan Peer | 398e8c6 | 2013-03-13 15:20:35 +0200 | [diff] [blame] | 693 | if (IEEE80211_SKB_CB(skb)->hw_queue == IWL_MVM_OFFCHANNEL_QUEUE && |
Matti Gottlieb | a6cc516 | 2014-09-29 11:46:04 +0300 | [diff] [blame] | 694 | !test_bit(IWL_MVM_STATUS_ROC_RUNNING, &mvm->status) && |
| 695 | !test_bit(IWL_MVM_STATUS_ROC_AUX_RUNNING, &mvm->status)) |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 696 | goto drop; |
| 697 | |
Johannes Berg | 3e56ead | 2013-02-15 22:23:18 +0100 | [diff] [blame] | 698 | /* treat non-bufferable MMPDUs as broadcast if sta is sleeping */ |
| 699 | if (unlikely(info->flags & IEEE80211_TX_CTL_NO_PS_BUFFER && |
| 700 | ieee80211_is_mgmt(hdr->frame_control) && |
| 701 | !ieee80211_is_deauth(hdr->frame_control) && |
| 702 | !ieee80211_is_disassoc(hdr->frame_control) && |
| 703 | !ieee80211_is_action(hdr->frame_control))) |
| 704 | sta = NULL; |
| 705 | |
| 706 | if (sta) { |
Arik Nemtsov | b249250 | 2014-03-13 12:21:50 +0200 | [diff] [blame] | 707 | if (iwl_mvm_defer_tx(mvm, sta, skb)) |
| 708 | return; |
Johannes Berg | 3e56ead | 2013-02-15 22:23:18 +0100 | [diff] [blame] | 709 | if (iwl_mvm_tx_skb(mvm, skb, sta)) |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 710 | goto drop; |
| 711 | return; |
| 712 | } |
| 713 | |
| 714 | if (iwl_mvm_tx_skb_non_sta(mvm, skb)) |
| 715 | goto drop; |
| 716 | return; |
| 717 | drop: |
| 718 | ieee80211_free_txskb(hw, skb); |
| 719 | } |
| 720 | |
Emmanuel Grumbach | 205e221 | 2014-02-12 15:15:05 +0200 | [diff] [blame] | 721 | static inline bool iwl_enable_rx_ampdu(const struct iwl_cfg *cfg) |
| 722 | { |
| 723 | if (iwlwifi_mod_params.disable_11n & IWL_DISABLE_HT_RXAGG) |
| 724 | return false; |
| 725 | return true; |
| 726 | } |
| 727 | |
| 728 | static inline bool iwl_enable_tx_ampdu(const struct iwl_cfg *cfg) |
| 729 | { |
| 730 | if (iwlwifi_mod_params.disable_11n & IWL_DISABLE_HT_TXAGG) |
| 731 | return false; |
| 732 | if (iwlwifi_mod_params.disable_11n & IWL_ENABLE_HT_TXAGG) |
| 733 | return true; |
| 734 | |
| 735 | /* enabled by default */ |
| 736 | return true; |
| 737 | } |
| 738 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 739 | static int iwl_mvm_mac_ampdu_action(struct ieee80211_hw *hw, |
| 740 | struct ieee80211_vif *vif, |
| 741 | enum ieee80211_ampdu_mlme_action action, |
| 742 | struct ieee80211_sta *sta, u16 tid, |
| 743 | u16 *ssn, u8 buf_size) |
| 744 | { |
| 745 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); |
| 746 | int ret; |
Arik Nemtsov | b249250 | 2014-03-13 12:21:50 +0200 | [diff] [blame] | 747 | bool tx_agg_ref = false; |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 748 | |
| 749 | IWL_DEBUG_HT(mvm, "A-MPDU action on addr %pM tid %d: action %d\n", |
| 750 | sta->addr, tid, action); |
| 751 | |
| 752 | if (!(mvm->nvm_data->sku_cap_11n_enable)) |
| 753 | return -EACCES; |
| 754 | |
Arik Nemtsov | b249250 | 2014-03-13 12:21:50 +0200 | [diff] [blame] | 755 | /* return from D0i3 before starting a new Tx aggregation */ |
Eliad Peller | 9256c20 | 2014-04-22 13:33:29 +0300 | [diff] [blame] | 756 | switch (action) { |
| 757 | case IEEE80211_AMPDU_TX_START: |
| 758 | case IEEE80211_AMPDU_TX_STOP_CONT: |
| 759 | case IEEE80211_AMPDU_TX_STOP_FLUSH: |
| 760 | case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: |
| 761 | case IEEE80211_AMPDU_TX_OPERATIONAL: |
Arik Nemtsov | b249250 | 2014-03-13 12:21:50 +0200 | [diff] [blame] | 762 | /* |
Eliad Peller | 9256c20 | 2014-04-22 13:33:29 +0300 | [diff] [blame] | 763 | * for tx start, wait synchronously until D0i3 exit to |
| 764 | * get the correct sequence number for the tid. |
| 765 | * additionally, some other ampdu actions use direct |
| 766 | * target access, which is not handled automatically |
| 767 | * by the trans layer (unlike commands), so wait for |
| 768 | * d0i3 exit in these cases as well. |
Arik Nemtsov | b249250 | 2014-03-13 12:21:50 +0200 | [diff] [blame] | 769 | */ |
Gregory Greenman | d40fc48 | 2014-06-25 14:08:50 +0200 | [diff] [blame] | 770 | ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_TX_AGG); |
| 771 | if (ret) |
| 772 | return ret; |
| 773 | |
| 774 | tx_agg_ref = true; |
Eliad Peller | 9256c20 | 2014-04-22 13:33:29 +0300 | [diff] [blame] | 775 | break; |
| 776 | default: |
| 777 | break; |
Arik Nemtsov | b249250 | 2014-03-13 12:21:50 +0200 | [diff] [blame] | 778 | } |
| 779 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 780 | mutex_lock(&mvm->mutex); |
| 781 | |
| 782 | switch (action) { |
| 783 | case IEEE80211_AMPDU_RX_START: |
Emmanuel Grumbach | 205e221 | 2014-02-12 15:15:05 +0200 | [diff] [blame] | 784 | if (!iwl_enable_rx_ampdu(mvm->cfg)) { |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 785 | ret = -EINVAL; |
| 786 | break; |
| 787 | } |
| 788 | ret = iwl_mvm_sta_rx_agg(mvm, sta, tid, *ssn, true); |
| 789 | break; |
| 790 | case IEEE80211_AMPDU_RX_STOP: |
| 791 | ret = iwl_mvm_sta_rx_agg(mvm, sta, tid, 0, false); |
| 792 | break; |
| 793 | case IEEE80211_AMPDU_TX_START: |
Emmanuel Grumbach | 205e221 | 2014-02-12 15:15:05 +0200 | [diff] [blame] | 794 | if (!iwl_enable_tx_ampdu(mvm->cfg)) { |
Emmanuel Grumbach | 5d158ef | 2013-02-19 14:39:58 +0200 | [diff] [blame] | 795 | ret = -EINVAL; |
| 796 | break; |
| 797 | } |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 798 | ret = iwl_mvm_sta_tx_agg_start(mvm, vif, sta, tid, ssn); |
| 799 | break; |
| 800 | case IEEE80211_AMPDU_TX_STOP_CONT: |
Emmanuel Grumbach | e3d9e7c | 2013-02-19 16:13:53 +0200 | [diff] [blame] | 801 | ret = iwl_mvm_sta_tx_agg_stop(mvm, vif, sta, tid); |
| 802 | break; |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 803 | case IEEE80211_AMPDU_TX_STOP_FLUSH: |
| 804 | case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: |
Emmanuel Grumbach | e3d9e7c | 2013-02-19 16:13:53 +0200 | [diff] [blame] | 805 | ret = iwl_mvm_sta_tx_agg_flush(mvm, vif, sta, tid); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 806 | break; |
| 807 | case IEEE80211_AMPDU_TX_OPERATIONAL: |
| 808 | ret = iwl_mvm_sta_tx_agg_oper(mvm, vif, sta, tid, buf_size); |
| 809 | break; |
| 810 | default: |
| 811 | WARN_ON_ONCE(1); |
| 812 | ret = -EINVAL; |
| 813 | break; |
| 814 | } |
| 815 | mutex_unlock(&mvm->mutex); |
| 816 | |
Arik Nemtsov | b249250 | 2014-03-13 12:21:50 +0200 | [diff] [blame] | 817 | /* |
| 818 | * If the tid is marked as started, we won't use it for offloaded |
| 819 | * traffic on the next D0i3 entry. It's safe to unref. |
| 820 | */ |
| 821 | if (tx_agg_ref) |
| 822 | iwl_mvm_unref(mvm, IWL_MVM_REF_TX_AGG); |
| 823 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 824 | return ret; |
| 825 | } |
| 826 | |
| 827 | static void iwl_mvm_cleanup_iterator(void *data, u8 *mac, |
| 828 | struct ieee80211_vif *vif) |
| 829 | { |
| 830 | struct iwl_mvm *mvm = data; |
| 831 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); |
| 832 | |
| 833 | mvmvif->uploaded = false; |
| 834 | mvmvif->ap_sta_id = IWL_MVM_STATION_COUNT; |
| 835 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 836 | spin_lock_bh(&mvm->time_event_lock); |
| 837 | iwl_mvm_te_clear_data(mvm, &mvmvif->time_event_data); |
| 838 | spin_unlock_bh(&mvm->time_event_lock); |
| 839 | |
Ilan Peer | fe0f2de | 2013-03-21 10:23:52 +0200 | [diff] [blame] | 840 | mvmvif->phy_ctxt = NULL; |
Emmanuel Grumbach | 8a275ba | 2014-07-13 09:12:11 +0300 | [diff] [blame] | 841 | memset(&mvmvif->bf_data, 0, sizeof(mvmvif->bf_data)); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 842 | } |
| 843 | |
Johannes Berg | aadede6 | 2014-10-09 17:01:36 +0200 | [diff] [blame] | 844 | static ssize_t iwl_mvm_read_coredump(char *buffer, loff_t offset, size_t count, |
| 845 | const void *data, size_t datalen) |
| 846 | { |
| 847 | const struct iwl_mvm_dump_ptrs *dump_ptrs = data; |
| 848 | ssize_t bytes_read; |
| 849 | ssize_t bytes_read_trans; |
| 850 | |
| 851 | if (offset < dump_ptrs->op_mode_len) { |
| 852 | bytes_read = min_t(ssize_t, count, |
| 853 | dump_ptrs->op_mode_len - offset); |
| 854 | memcpy(buffer, (u8 *)dump_ptrs->op_mode_ptr + offset, |
| 855 | bytes_read); |
| 856 | offset += bytes_read; |
| 857 | count -= bytes_read; |
| 858 | |
| 859 | if (count == 0) |
| 860 | return bytes_read; |
| 861 | } else { |
| 862 | bytes_read = 0; |
| 863 | } |
| 864 | |
| 865 | if (!dump_ptrs->trans_ptr) |
| 866 | return bytes_read; |
| 867 | |
| 868 | offset -= dump_ptrs->op_mode_len; |
| 869 | bytes_read_trans = min_t(ssize_t, count, |
| 870 | dump_ptrs->trans_ptr->len - offset); |
| 871 | memcpy(buffer + bytes_read, |
| 872 | (u8 *)dump_ptrs->trans_ptr->data + offset, |
| 873 | bytes_read_trans); |
| 874 | |
| 875 | return bytes_read + bytes_read_trans; |
| 876 | } |
| 877 | |
| 878 | static void iwl_mvm_free_coredump(const void *data) |
| 879 | { |
| 880 | const struct iwl_mvm_dump_ptrs *fw_error_dump = data; |
| 881 | |
| 882 | vfree(fw_error_dump->op_mode_ptr); |
| 883 | vfree(fw_error_dump->trans_ptr); |
| 884 | kfree(fw_error_dump); |
| 885 | } |
| 886 | |
Liad Kaufman | 04fd2c2 | 2014-12-15 17:54:16 +0200 | [diff] [blame] | 887 | static void iwl_mvm_dump_fifos(struct iwl_mvm *mvm, |
| 888 | struct iwl_fw_error_dump_data **dump_data) |
| 889 | { |
| 890 | struct iwl_fw_error_dump_fifo *fifo_hdr; |
| 891 | u32 *fifo_data; |
| 892 | u32 fifo_len; |
| 893 | unsigned long flags; |
| 894 | int i, j; |
| 895 | |
| 896 | if (!iwl_trans_grab_nic_access(mvm->trans, false, &flags)) |
| 897 | return; |
| 898 | |
| 899 | /* Pull RXF data from all RXFs */ |
| 900 | for (i = 0; i < ARRAY_SIZE(mvm->shared_mem_cfg.rxfifo_size); i++) { |
| 901 | /* |
| 902 | * Keep aside the additional offset that might be needed for |
| 903 | * next RXF |
| 904 | */ |
| 905 | u32 offset_diff = RXF_DIFF_FROM_PREV * i; |
| 906 | |
| 907 | fifo_hdr = (void *)(*dump_data)->data; |
| 908 | fifo_data = (void *)fifo_hdr->data; |
| 909 | fifo_len = mvm->shared_mem_cfg.rxfifo_size[i]; |
| 910 | |
| 911 | /* No need to try to read the data if the length is 0 */ |
| 912 | if (fifo_len == 0) |
| 913 | continue; |
| 914 | |
| 915 | /* Add a TLV for the RXF */ |
| 916 | (*dump_data)->type = cpu_to_le32(IWL_FW_ERROR_DUMP_RXF); |
| 917 | (*dump_data)->len = cpu_to_le32(fifo_len + sizeof(*fifo_hdr)); |
| 918 | |
| 919 | fifo_hdr->fifo_num = cpu_to_le32(i); |
| 920 | fifo_hdr->available_bytes = |
| 921 | cpu_to_le32(iwl_trans_read_prph(mvm->trans, |
| 922 | RXF_RD_D_SPACE + |
| 923 | offset_diff)); |
| 924 | fifo_hdr->wr_ptr = |
| 925 | cpu_to_le32(iwl_trans_read_prph(mvm->trans, |
| 926 | RXF_RD_WR_PTR + |
| 927 | offset_diff)); |
| 928 | fifo_hdr->rd_ptr = |
| 929 | cpu_to_le32(iwl_trans_read_prph(mvm->trans, |
| 930 | RXF_RD_RD_PTR + |
| 931 | offset_diff)); |
| 932 | fifo_hdr->fence_ptr = |
| 933 | cpu_to_le32(iwl_trans_read_prph(mvm->trans, |
| 934 | RXF_RD_FENCE_PTR + |
| 935 | offset_diff)); |
| 936 | fifo_hdr->fence_mode = |
| 937 | cpu_to_le32(iwl_trans_read_prph(mvm->trans, |
| 938 | RXF_SET_FENCE_MODE + |
| 939 | offset_diff)); |
| 940 | |
| 941 | /* Lock fence */ |
| 942 | iwl_trans_write_prph(mvm->trans, |
| 943 | RXF_SET_FENCE_MODE + offset_diff, 0x1); |
| 944 | /* Set fence pointer to the same place like WR pointer */ |
| 945 | iwl_trans_write_prph(mvm->trans, |
| 946 | RXF_LD_WR2FENCE + offset_diff, 0x1); |
| 947 | /* Set fence offset */ |
| 948 | iwl_trans_write_prph(mvm->trans, |
| 949 | RXF_LD_FENCE_OFFSET_ADDR + offset_diff, |
| 950 | 0x0); |
| 951 | |
| 952 | /* Read FIFO */ |
| 953 | fifo_len /= sizeof(u32); /* Size in DWORDS */ |
| 954 | for (j = 0; j < fifo_len; j++) |
| 955 | fifo_data[j] = iwl_trans_read_prph(mvm->trans, |
| 956 | RXF_FIFO_RD_FENCE_INC + |
| 957 | offset_diff); |
| 958 | *dump_data = iwl_fw_error_next_data(*dump_data); |
| 959 | } |
| 960 | |
| 961 | /* Pull TXF data from all TXFs */ |
| 962 | for (i = 0; i < ARRAY_SIZE(mvm->shared_mem_cfg.txfifo_size); i++) { |
| 963 | /* Mark the number of TXF we're pulling now */ |
| 964 | iwl_trans_write_prph(mvm->trans, TXF_LARC_NUM, i); |
| 965 | |
| 966 | fifo_hdr = (void *)(*dump_data)->data; |
| 967 | fifo_data = (void *)fifo_hdr->data; |
| 968 | fifo_len = mvm->shared_mem_cfg.txfifo_size[i]; |
| 969 | |
| 970 | /* No need to try to read the data if the length is 0 */ |
| 971 | if (fifo_len == 0) |
| 972 | continue; |
| 973 | |
| 974 | /* Add a TLV for the FIFO */ |
| 975 | (*dump_data)->type = cpu_to_le32(IWL_FW_ERROR_DUMP_TXF); |
| 976 | (*dump_data)->len = cpu_to_le32(fifo_len + sizeof(*fifo_hdr)); |
| 977 | |
| 978 | fifo_hdr->fifo_num = cpu_to_le32(i); |
| 979 | fifo_hdr->available_bytes = |
| 980 | cpu_to_le32(iwl_trans_read_prph(mvm->trans, |
| 981 | TXF_FIFO_ITEM_CNT)); |
| 982 | fifo_hdr->wr_ptr = |
| 983 | cpu_to_le32(iwl_trans_read_prph(mvm->trans, |
| 984 | TXF_WR_PTR)); |
| 985 | fifo_hdr->rd_ptr = |
| 986 | cpu_to_le32(iwl_trans_read_prph(mvm->trans, |
| 987 | TXF_RD_PTR)); |
| 988 | fifo_hdr->fence_ptr = |
| 989 | cpu_to_le32(iwl_trans_read_prph(mvm->trans, |
| 990 | TXF_FENCE_PTR)); |
| 991 | fifo_hdr->fence_mode = |
| 992 | cpu_to_le32(iwl_trans_read_prph(mvm->trans, |
| 993 | TXF_LOCK_FENCE)); |
| 994 | |
| 995 | /* Set the TXF_READ_MODIFY_ADDR to TXF_WR_PTR */ |
| 996 | iwl_trans_write_prph(mvm->trans, TXF_READ_MODIFY_ADDR, |
| 997 | TXF_WR_PTR); |
| 998 | |
| 999 | /* Dummy-read to advance the read pointer to the head */ |
| 1000 | iwl_trans_read_prph(mvm->trans, TXF_READ_MODIFY_DATA); |
| 1001 | |
| 1002 | /* Read FIFO */ |
| 1003 | fifo_len /= sizeof(u32); /* Size in DWORDS */ |
| 1004 | for (j = 0; j < fifo_len; j++) |
| 1005 | fifo_data[j] = iwl_trans_read_prph(mvm->trans, |
| 1006 | TXF_READ_MODIFY_DATA); |
| 1007 | *dump_data = iwl_fw_error_next_data(*dump_data); |
| 1008 | } |
| 1009 | |
| 1010 | iwl_trans_release_nic_access(mvm->trans, &flags); |
| 1011 | } |
| 1012 | |
Emmanuel Grumbach | b6eaa45 | 2015-01-29 14:58:20 +0200 | [diff] [blame] | 1013 | void iwl_mvm_free_fw_dump_desc(struct iwl_mvm *mvm) |
| 1014 | { |
| 1015 | if (mvm->fw_dump_desc == &iwl_mvm_dump_desc_assert || |
| 1016 | !mvm->fw_dump_desc) |
| 1017 | return; |
| 1018 | |
| 1019 | kfree(mvm->fw_dump_desc); |
| 1020 | mvm->fw_dump_desc = NULL; |
| 1021 | } |
| 1022 | |
Liad Kaufman | e539761 | 2015-03-02 11:46:46 +0200 | [diff] [blame] | 1023 | #define IWL8260_ICCM_OFFSET 0x44000 /* Only for B-step */ |
| 1024 | #define IWL8260_ICCM_LEN 0xC000 /* Only for B-step */ |
| 1025 | |
Emmanuel Grumbach | 4bfa47f | 2014-09-11 16:19:43 +0300 | [diff] [blame] | 1026 | void iwl_mvm_fw_error_dump(struct iwl_mvm *mvm) |
Emmanuel Grumbach | 655e6d6 | 2014-06-25 14:08:58 +0300 | [diff] [blame] | 1027 | { |
| 1028 | struct iwl_fw_error_dump_file *dump_file; |
| 1029 | struct iwl_fw_error_dump_data *dump_data; |
| 1030 | struct iwl_fw_error_dump_info *dump_info; |
Emmanuel Grumbach | a549b29 | 2014-12-09 14:47:57 +0200 | [diff] [blame] | 1031 | struct iwl_fw_error_dump_mem *dump_mem; |
Emmanuel Grumbach | b6eaa45 | 2015-01-29 14:58:20 +0200 | [diff] [blame] | 1032 | struct iwl_fw_error_dump_trigger_desc *dump_trig; |
Emmanuel Grumbach | 48eb7b3 | 2014-07-08 19:45:17 +0300 | [diff] [blame] | 1033 | struct iwl_mvm_dump_ptrs *fw_error_dump; |
Emmanuel Grumbach | 655e6d6 | 2014-06-25 14:08:58 +0300 | [diff] [blame] | 1034 | u32 sram_len, sram_ofs; |
Liad Kaufman | 04fd2c2 | 2014-12-15 17:54:16 +0200 | [diff] [blame] | 1035 | u32 file_len, fifo_data_len = 0; |
Liad Kaufman | addfaad | 2014-12-02 11:16:04 +0200 | [diff] [blame] | 1036 | u32 smem_len = mvm->cfg->smem_len; |
Ido Yariv | 8613832 | 2014-12-10 12:39:27 -0500 | [diff] [blame] | 1037 | u32 sram2_len = mvm->cfg->dccm2_len; |
Emmanuel Grumbach | 655e6d6 | 2014-06-25 14:08:58 +0300 | [diff] [blame] | 1038 | |
| 1039 | lockdep_assert_held(&mvm->mutex); |
| 1040 | |
Johannes Berg | aadede6 | 2014-10-09 17:01:36 +0200 | [diff] [blame] | 1041 | fw_error_dump = kzalloc(sizeof(*fw_error_dump), GFP_KERNEL); |
Emmanuel Grumbach | 48eb7b3 | 2014-07-08 19:45:17 +0300 | [diff] [blame] | 1042 | if (!fw_error_dump) |
| 1043 | return; |
| 1044 | |
Liad Kaufman | f53bf4c | 2014-12-01 10:44:18 +0200 | [diff] [blame] | 1045 | /* SRAM - include stack CCM if driver knows the values for it */ |
| 1046 | if (!mvm->cfg->dccm_offset || !mvm->cfg->dccm_len) { |
| 1047 | const struct fw_img *img; |
| 1048 | |
| 1049 | img = &mvm->fw->img[mvm->cur_ucode]; |
| 1050 | sram_ofs = img->sec[IWL_UCODE_SECTION_DATA].offset; |
| 1051 | sram_len = img->sec[IWL_UCODE_SECTION_DATA].len; |
| 1052 | } else { |
| 1053 | sram_ofs = mvm->cfg->dccm_offset; |
| 1054 | sram_len = mvm->cfg->dccm_len; |
| 1055 | } |
Emmanuel Grumbach | 655e6d6 | 2014-06-25 14:08:58 +0300 | [diff] [blame] | 1056 | |
Liad Kaufman | 04fd2c2 | 2014-12-15 17:54:16 +0200 | [diff] [blame] | 1057 | /* reading RXF/TXF sizes */ |
| 1058 | if (test_bit(STATUS_FW_ERROR, &mvm->trans->status)) { |
| 1059 | struct iwl_mvm_shared_mem_cfg *mem_cfg = &mvm->shared_mem_cfg; |
| 1060 | int i; |
Emmanuel Grumbach | 655e6d6 | 2014-06-25 14:08:58 +0300 | [diff] [blame] | 1061 | |
Liad Kaufman | 04fd2c2 | 2014-12-15 17:54:16 +0200 | [diff] [blame] | 1062 | fifo_data_len = 0; |
| 1063 | |
| 1064 | /* Count RXF size */ |
| 1065 | for (i = 0; i < ARRAY_SIZE(mem_cfg->rxfifo_size); i++) { |
| 1066 | if (!mem_cfg->rxfifo_size[i]) |
| 1067 | continue; |
| 1068 | |
| 1069 | /* Add header info */ |
| 1070 | fifo_data_len += mem_cfg->rxfifo_size[i] + |
| 1071 | sizeof(*dump_data) + |
| 1072 | sizeof(struct iwl_fw_error_dump_fifo); |
| 1073 | } |
| 1074 | |
| 1075 | for (i = 0; i < ARRAY_SIZE(mem_cfg->txfifo_size); i++) { |
| 1076 | if (!mem_cfg->txfifo_size[i]) |
| 1077 | continue; |
| 1078 | |
| 1079 | /* Add header info */ |
| 1080 | fifo_data_len += mem_cfg->txfifo_size[i] + |
| 1081 | sizeof(*dump_data) + |
| 1082 | sizeof(struct iwl_fw_error_dump_fifo); |
| 1083 | } |
| 1084 | } |
Emmanuel Grumbach | 655e6d6 | 2014-06-25 14:08:58 +0300 | [diff] [blame] | 1085 | |
| 1086 | file_len = sizeof(*dump_file) + |
Liad Kaufman | 04fd2c2 | 2014-12-15 17:54:16 +0200 | [diff] [blame] | 1087 | sizeof(*dump_data) * 2 + |
Emmanuel Grumbach | a549b29 | 2014-12-09 14:47:57 +0200 | [diff] [blame] | 1088 | sram_len + sizeof(*dump_mem) + |
Liad Kaufman | 04fd2c2 | 2014-12-15 17:54:16 +0200 | [diff] [blame] | 1089 | fifo_data_len + |
Emmanuel Grumbach | 655e6d6 | 2014-06-25 14:08:58 +0300 | [diff] [blame] | 1090 | sizeof(*dump_info); |
| 1091 | |
Liad Kaufman | e539761 | 2015-03-02 11:46:46 +0200 | [diff] [blame] | 1092 | /* |
| 1093 | * In 8000 HW family B-step include the ICCM (which resides separately) |
| 1094 | */ |
| 1095 | if (mvm->cfg->device_family == IWL_DEVICE_FAMILY_8000 && |
| 1096 | CSR_HW_REV_STEP(mvm->trans->hw_rev) == SILICON_B_STEP) |
| 1097 | file_len += sizeof(*dump_data) + sizeof(*dump_mem) + |
| 1098 | IWL8260_ICCM_LEN; |
| 1099 | |
Emmanuel Grumbach | b6eaa45 | 2015-01-29 14:58:20 +0200 | [diff] [blame] | 1100 | if (mvm->fw_dump_desc) |
| 1101 | file_len += sizeof(*dump_data) + sizeof(*dump_trig) + |
| 1102 | mvm->fw_dump_desc->len; |
| 1103 | |
Liad Kaufman | addfaad | 2014-12-02 11:16:04 +0200 | [diff] [blame] | 1104 | /* Make room for the SMEM, if it exists */ |
| 1105 | if (smem_len) |
Emmanuel Grumbach | a549b29 | 2014-12-09 14:47:57 +0200 | [diff] [blame] | 1106 | file_len += sizeof(*dump_data) + sizeof(*dump_mem) + smem_len; |
Liad Kaufman | addfaad | 2014-12-02 11:16:04 +0200 | [diff] [blame] | 1107 | |
Ido Yariv | 8613832 | 2014-12-10 12:39:27 -0500 | [diff] [blame] | 1108 | /* Make room for the secondary SRAM, if it exists */ |
| 1109 | if (sram2_len) |
| 1110 | file_len += sizeof(*dump_data) + sizeof(*dump_mem) + sram2_len; |
| 1111 | |
Emmanuel Grumbach | 5bfe6f5 | 2014-06-25 16:21:43 +0300 | [diff] [blame] | 1112 | dump_file = vzalloc(file_len); |
Emmanuel Grumbach | 48eb7b3 | 2014-07-08 19:45:17 +0300 | [diff] [blame] | 1113 | if (!dump_file) { |
| 1114 | kfree(fw_error_dump); |
Emmanuel Grumbach | b6eaa45 | 2015-01-29 14:58:20 +0200 | [diff] [blame] | 1115 | iwl_mvm_free_fw_dump_desc(mvm); |
Emmanuel Grumbach | 655e6d6 | 2014-06-25 14:08:58 +0300 | [diff] [blame] | 1116 | return; |
Emmanuel Grumbach | 48eb7b3 | 2014-07-08 19:45:17 +0300 | [diff] [blame] | 1117 | } |
Emmanuel Grumbach | 655e6d6 | 2014-06-25 14:08:58 +0300 | [diff] [blame] | 1118 | |
Emmanuel Grumbach | 48eb7b3 | 2014-07-08 19:45:17 +0300 | [diff] [blame] | 1119 | fw_error_dump->op_mode_ptr = dump_file; |
Emmanuel Grumbach | 655e6d6 | 2014-06-25 14:08:58 +0300 | [diff] [blame] | 1120 | |
| 1121 | dump_file->barker = cpu_to_le32(IWL_FW_ERROR_DUMP_BARKER); |
Emmanuel Grumbach | 655e6d6 | 2014-06-25 14:08:58 +0300 | [diff] [blame] | 1122 | dump_data = (void *)dump_file->data; |
| 1123 | |
| 1124 | dump_data->type = cpu_to_le32(IWL_FW_ERROR_DUMP_DEV_FW_INFO); |
| 1125 | dump_data->len = cpu_to_le32(sizeof(*dump_info)); |
| 1126 | dump_info = (void *) dump_data->data; |
| 1127 | dump_info->device_family = |
| 1128 | mvm->cfg->device_family == IWL_DEVICE_FAMILY_7000 ? |
| 1129 | cpu_to_le32(IWL_FW_ERROR_DUMP_FAMILY_7) : |
| 1130 | cpu_to_le32(IWL_FW_ERROR_DUMP_FAMILY_8); |
Ido Yariv | 435da2c | 2014-12-11 16:11:01 -0500 | [diff] [blame] | 1131 | dump_info->hw_step = cpu_to_le32(CSR_HW_REV_STEP(mvm->trans->hw_rev)); |
Emmanuel Grumbach | 655e6d6 | 2014-06-25 14:08:58 +0300 | [diff] [blame] | 1132 | memcpy(dump_info->fw_human_readable, mvm->fw->human_readable, |
| 1133 | sizeof(dump_info->fw_human_readable)); |
| 1134 | strncpy(dump_info->dev_human_readable, mvm->cfg->name, |
| 1135 | sizeof(dump_info->dev_human_readable)); |
| 1136 | strncpy(dump_info->bus_human_readable, mvm->dev->bus->name, |
| 1137 | sizeof(dump_info->bus_human_readable)); |
| 1138 | |
| 1139 | dump_data = iwl_fw_error_next_data(dump_data); |
Liad Kaufman | 04fd2c2 | 2014-12-15 17:54:16 +0200 | [diff] [blame] | 1140 | /* We only dump the FIFOs if the FW is in error state */ |
| 1141 | if (test_bit(STATUS_FW_ERROR, &mvm->trans->status)) |
| 1142 | iwl_mvm_dump_fifos(mvm, &dump_data); |
Emmanuel Grumbach | 655e6d6 | 2014-06-25 14:08:58 +0300 | [diff] [blame] | 1143 | |
Emmanuel Grumbach | b6eaa45 | 2015-01-29 14:58:20 +0200 | [diff] [blame] | 1144 | if (mvm->fw_dump_desc) { |
| 1145 | dump_data->type = cpu_to_le32(IWL_FW_ERROR_DUMP_ERROR_INFO); |
| 1146 | dump_data->len = cpu_to_le32(sizeof(*dump_trig) + |
| 1147 | mvm->fw_dump_desc->len); |
| 1148 | dump_trig = (void *)dump_data->data; |
| 1149 | memcpy(dump_trig, &mvm->fw_dump_desc->trig_desc, |
| 1150 | sizeof(*dump_trig) + mvm->fw_dump_desc->len); |
| 1151 | |
| 1152 | /* now we can free this copy */ |
| 1153 | iwl_mvm_free_fw_dump_desc(mvm); |
| 1154 | dump_data = iwl_fw_error_next_data(dump_data); |
| 1155 | } |
| 1156 | |
Emmanuel Grumbach | a549b29 | 2014-12-09 14:47:57 +0200 | [diff] [blame] | 1157 | dump_data->type = cpu_to_le32(IWL_FW_ERROR_DUMP_MEM); |
| 1158 | dump_data->len = cpu_to_le32(sram_len + sizeof(*dump_mem)); |
| 1159 | dump_mem = (void *)dump_data->data; |
| 1160 | dump_mem->type = cpu_to_le32(IWL_FW_ERROR_DUMP_MEM_SRAM); |
| 1161 | dump_mem->offset = cpu_to_le32(sram_ofs); |
| 1162 | iwl_trans_read_mem_bytes(mvm->trans, sram_ofs, dump_mem->data, |
Emmanuel Grumbach | 655e6d6 | 2014-06-25 14:08:58 +0300 | [diff] [blame] | 1163 | sram_len); |
| 1164 | |
Liad Kaufman | addfaad | 2014-12-02 11:16:04 +0200 | [diff] [blame] | 1165 | if (smem_len) { |
| 1166 | dump_data = iwl_fw_error_next_data(dump_data); |
Emmanuel Grumbach | e06d843 | 2014-12-09 14:36:41 +0200 | [diff] [blame] | 1167 | dump_data->type = cpu_to_le32(IWL_FW_ERROR_DUMP_MEM); |
| 1168 | dump_data->len = cpu_to_le32(smem_len + sizeof(*dump_mem)); |
| 1169 | dump_mem = (void *)dump_data->data; |
| 1170 | dump_mem->type = cpu_to_le32(IWL_FW_ERROR_DUMP_MEM_SMEM); |
| 1171 | dump_mem->offset = cpu_to_le32(mvm->cfg->smem_offset); |
Liad Kaufman | addfaad | 2014-12-02 11:16:04 +0200 | [diff] [blame] | 1172 | iwl_trans_read_mem_bytes(mvm->trans, mvm->cfg->smem_offset, |
Emmanuel Grumbach | e06d843 | 2014-12-09 14:36:41 +0200 | [diff] [blame] | 1173 | dump_mem->data, smem_len); |
Liad Kaufman | addfaad | 2014-12-02 11:16:04 +0200 | [diff] [blame] | 1174 | } |
| 1175 | |
Ido Yariv | 8613832 | 2014-12-10 12:39:27 -0500 | [diff] [blame] | 1176 | if (sram2_len) { |
| 1177 | dump_data = iwl_fw_error_next_data(dump_data); |
| 1178 | dump_data->type = cpu_to_le32(IWL_FW_ERROR_DUMP_MEM); |
| 1179 | dump_data->len = cpu_to_le32(sram2_len + sizeof(*dump_mem)); |
| 1180 | dump_mem = (void *)dump_data->data; |
| 1181 | dump_mem->type = cpu_to_le32(IWL_FW_ERROR_DUMP_MEM_SRAM); |
| 1182 | dump_mem->offset = cpu_to_le32(mvm->cfg->dccm2_offset); |
| 1183 | iwl_trans_read_mem_bytes(mvm->trans, mvm->cfg->dccm2_offset, |
| 1184 | dump_mem->data, sram2_len); |
| 1185 | } |
| 1186 | |
Liad Kaufman | e539761 | 2015-03-02 11:46:46 +0200 | [diff] [blame] | 1187 | if (mvm->cfg->device_family == IWL_DEVICE_FAMILY_8000 && |
| 1188 | CSR_HW_REV_STEP(mvm->trans->hw_rev) == SILICON_B_STEP) { |
| 1189 | dump_data = iwl_fw_error_next_data(dump_data); |
| 1190 | dump_data->type = cpu_to_le32(IWL_FW_ERROR_DUMP_MEM); |
| 1191 | dump_data->len = cpu_to_le32(IWL8260_ICCM_LEN + |
| 1192 | sizeof(*dump_mem)); |
| 1193 | dump_mem = (void *)dump_data->data; |
| 1194 | dump_mem->type = cpu_to_le32(IWL_FW_ERROR_DUMP_MEM_SRAM); |
| 1195 | dump_mem->offset = cpu_to_le32(IWL8260_ICCM_OFFSET); |
| 1196 | iwl_trans_read_mem_bytes(mvm->trans, IWL8260_ICCM_OFFSET, |
| 1197 | dump_mem->data, IWL8260_ICCM_LEN); |
| 1198 | } |
| 1199 | |
Emmanuel Grumbach | 48eb7b3 | 2014-07-08 19:45:17 +0300 | [diff] [blame] | 1200 | fw_error_dump->trans_ptr = iwl_trans_dump_data(mvm->trans); |
| 1201 | fw_error_dump->op_mode_len = file_len; |
| 1202 | if (fw_error_dump->trans_ptr) |
| 1203 | file_len += fw_error_dump->trans_ptr->len; |
| 1204 | dump_file->file_len = cpu_to_le32(file_len); |
Emmanuel Grumbach | 4bfa47f | 2014-09-11 16:19:43 +0300 | [diff] [blame] | 1205 | |
Johannes Berg | aadede6 | 2014-10-09 17:01:36 +0200 | [diff] [blame] | 1206 | dev_coredumpm(mvm->trans->dev, THIS_MODULE, fw_error_dump, 0, |
| 1207 | GFP_KERNEL, iwl_mvm_read_coredump, iwl_mvm_free_coredump); |
Emmanuel Grumbach | d2709ad | 2015-01-29 14:58:06 +0200 | [diff] [blame] | 1208 | |
| 1209 | clear_bit(IWL_MVM_STATUS_DUMPING_FW_LOG, &mvm->status); |
Emmanuel Grumbach | 655e6d6 | 2014-06-25 14:08:58 +0300 | [diff] [blame] | 1210 | } |
Emmanuel Grumbach | 655e6d6 | 2014-06-25 14:08:58 +0300 | [diff] [blame] | 1211 | |
Emmanuel Grumbach | b6eaa45 | 2015-01-29 14:58:20 +0200 | [diff] [blame] | 1212 | struct iwl_mvm_dump_desc iwl_mvm_dump_desc_assert = { |
| 1213 | .trig_desc = { |
| 1214 | .type = cpu_to_le32(FW_DBG_TRIGGER_FW_ASSERT), |
| 1215 | }, |
| 1216 | }; |
| 1217 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1218 | static void iwl_mvm_restart_cleanup(struct iwl_mvm *mvm) |
| 1219 | { |
Johannes Berg | 58629d9 | 2014-11-06 09:40:50 +0100 | [diff] [blame] | 1220 | /* clear the D3 reconfig, we only need it to avoid dumping a |
| 1221 | * firmware coredump on reconfiguration, we shouldn't do that |
| 1222 | * on D3->D0 transition |
| 1223 | */ |
Emmanuel Grumbach | b6eaa45 | 2015-01-29 14:58:20 +0200 | [diff] [blame] | 1224 | if (!test_and_clear_bit(IWL_MVM_STATUS_D3_RECONFIG, &mvm->status)) { |
| 1225 | mvm->fw_dump_desc = &iwl_mvm_dump_desc_assert; |
Johannes Berg | 58629d9 | 2014-11-06 09:40:50 +0100 | [diff] [blame] | 1226 | iwl_mvm_fw_error_dump(mvm); |
Emmanuel Grumbach | b6eaa45 | 2015-01-29 14:58:20 +0200 | [diff] [blame] | 1227 | } |
Emmanuel Grumbach | 1bd3cbc | 2014-03-18 21:15:06 +0200 | [diff] [blame] | 1228 | |
Eliad Peller | 744cb69 | 2014-12-10 18:44:13 +0200 | [diff] [blame] | 1229 | /* cleanup all stale references (scan, roc), but keep the |
| 1230 | * ucode_down ref until reconfig is complete |
| 1231 | */ |
| 1232 | iwl_mvm_unref_all_except(mvm, IWL_MVM_REF_UCODE_DOWN); |
| 1233 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1234 | iwl_trans_stop_device(mvm->trans); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1235 | |
Luciano Coelho | 9af91f4 | 2015-02-10 10:42:26 +0200 | [diff] [blame] | 1236 | mvm->scan_status = 0; |
Luciano Coelho | b187330 | 2014-08-08 17:12:07 +0300 | [diff] [blame] | 1237 | mvm->ps_disabled = false; |
Emmanuel Grumbach | 31b8b34 | 2014-11-02 15:48:09 +0200 | [diff] [blame] | 1238 | mvm->calibrating = false; |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1239 | |
| 1240 | /* just in case one was running */ |
| 1241 | ieee80211_remain_on_channel_expired(mvm->hw); |
| 1242 | |
Arik Nemtsov | 737719f | 2015-02-23 14:42:41 +0200 | [diff] [blame] | 1243 | /* |
| 1244 | * cleanup all interfaces, even inactive ones, as some might have |
| 1245 | * gone down during the HW restart |
| 1246 | */ |
| 1247 | ieee80211_iterate_interfaces(mvm->hw, 0, iwl_mvm_cleanup_iterator, mvm); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1248 | |
Ilan Peer | fe0f2de | 2013-03-21 10:23:52 +0200 | [diff] [blame] | 1249 | mvm->p2p_device_vif = NULL; |
Eliad Peller | 37577fe | 2013-12-05 17:19:39 +0200 | [diff] [blame] | 1250 | mvm->d0i3_ap_sta_id = IWL_MVM_STATION_COUNT; |
Ilan Peer | fe0f2de | 2013-03-21 10:23:52 +0200 | [diff] [blame] | 1251 | |
| 1252 | iwl_mvm_reset_phy_ctxts(mvm); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1253 | memset(mvm->sta_drained, 0, sizeof(mvm->sta_drained)); |
Arik Nemtsov | a0f6bf2 | 2014-09-21 19:10:04 +0300 | [diff] [blame] | 1254 | memset(mvm->tfd_drained, 0, sizeof(mvm->tfd_drained)); |
Emmanuel Grumbach | 8a275ba | 2014-07-13 09:12:11 +0300 | [diff] [blame] | 1255 | memset(&mvm->last_bt_notif, 0, sizeof(mvm->last_bt_notif)); |
| 1256 | memset(&mvm->last_bt_notif_old, 0, sizeof(mvm->last_bt_notif_old)); |
| 1257 | memset(&mvm->last_bt_ci_cmd, 0, sizeof(mvm->last_bt_ci_cmd)); |
| 1258 | memset(&mvm->last_bt_ci_cmd_old, 0, sizeof(mvm->last_bt_ci_cmd_old)); |
| 1259 | memset(&mvm->bt_ack_kill_msk, 0, sizeof(mvm->bt_ack_kill_msk)); |
| 1260 | memset(&mvm->bt_cts_kill_msk, 0, sizeof(mvm->bt_cts_kill_msk)); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1261 | |
| 1262 | ieee80211_wake_queues(mvm->hw); |
| 1263 | |
Eliad Peller | 228670b | 2014-08-10 17:00:15 +0300 | [diff] [blame] | 1264 | /* clear any stale d0i3 state */ |
| 1265 | clear_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status); |
| 1266 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1267 | mvm->vif_count = 0; |
Emmanuel Grumbach | 113a044 | 2013-07-02 14:16:38 +0300 | [diff] [blame] | 1268 | mvm->rx_ba_sessions = 0; |
Emmanuel Grumbach | d2709ad | 2015-01-29 14:58:06 +0200 | [diff] [blame] | 1269 | mvm->fw_dbg_conf = FW_DBG_INVALID; |
Johannes Berg | 91a8bcd | 2015-01-14 18:12:41 +0100 | [diff] [blame] | 1270 | |
| 1271 | /* keep statistics ticking */ |
| 1272 | iwl_mvm_accu_radio_stats(mvm); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1273 | } |
| 1274 | |
Luciano Coelho | a0a09243 | 2014-09-04 12:29:15 +0300 | [diff] [blame] | 1275 | int __iwl_mvm_mac_start(struct iwl_mvm *mvm) |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1276 | { |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1277 | int ret; |
| 1278 | |
Luciano Coelho | a0a09243 | 2014-09-04 12:29:15 +0300 | [diff] [blame] | 1279 | lockdep_assert_held(&mvm->mutex); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1280 | |
| 1281 | /* Clean up some internal and mac80211 state on restart */ |
| 1282 | if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) |
| 1283 | iwl_mvm_restart_cleanup(mvm); |
| 1284 | |
| 1285 | ret = iwl_mvm_up(mvm); |
Johannes Berg | c47af22 | 2014-04-30 16:34:45 +0200 | [diff] [blame] | 1286 | |
| 1287 | if (ret && test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) { |
| 1288 | /* Something went wrong - we need to finish some cleanup |
| 1289 | * that normally iwl_mvm_mac_restart_complete() below |
| 1290 | * would do. |
| 1291 | */ |
| 1292 | clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status); |
| 1293 | iwl_mvm_d0i3_enable_tx(mvm, NULL); |
| 1294 | } |
| 1295 | |
Luciano Coelho | a0a09243 | 2014-09-04 12:29:15 +0300 | [diff] [blame] | 1296 | return ret; |
| 1297 | } |
| 1298 | |
| 1299 | static int iwl_mvm_mac_start(struct ieee80211_hw *hw) |
| 1300 | { |
| 1301 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); |
| 1302 | int ret; |
| 1303 | |
Eliad Peller | 37948fc | 2014-12-11 10:48:18 +0200 | [diff] [blame] | 1304 | /* Some hw restart cleanups must not hold the mutex */ |
| 1305 | if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) { |
| 1306 | /* |
| 1307 | * Make sure we are out of d0i3. This is needed |
| 1308 | * to make sure the reference accounting is correct |
| 1309 | * (and there is no stale d0i3_exit_work). |
| 1310 | */ |
| 1311 | wait_event_timeout(mvm->d0i3_exit_waitq, |
| 1312 | !test_bit(IWL_MVM_STATUS_IN_D0I3, |
| 1313 | &mvm->status), |
| 1314 | HZ); |
| 1315 | } |
| 1316 | |
Luciano Coelho | a0a09243 | 2014-09-04 12:29:15 +0300 | [diff] [blame] | 1317 | mutex_lock(&mvm->mutex); |
| 1318 | ret = __iwl_mvm_mac_start(mvm); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1319 | mutex_unlock(&mvm->mutex); |
| 1320 | |
| 1321 | return ret; |
| 1322 | } |
| 1323 | |
Eliad Peller | cf2c92d | 2014-11-04 11:43:54 +0200 | [diff] [blame] | 1324 | static void iwl_mvm_restart_complete(struct iwl_mvm *mvm) |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1325 | { |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1326 | int ret; |
| 1327 | |
| 1328 | mutex_lock(&mvm->mutex); |
| 1329 | |
| 1330 | clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status); |
Arik Nemtsov | b249250 | 2014-03-13 12:21:50 +0200 | [diff] [blame] | 1331 | iwl_mvm_d0i3_enable_tx(mvm, NULL); |
Johannes Berg | e7afe89 | 2015-04-21 09:21:46 +0200 | [diff] [blame] | 1332 | ret = iwl_mvm_update_quotas(mvm, true, NULL); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1333 | if (ret) |
| 1334 | IWL_ERR(mvm, "Failed to update quotas after restart (%d)\n", |
| 1335 | ret); |
| 1336 | |
Eliad Peller | 7498cf4 | 2014-01-16 17:10:44 +0200 | [diff] [blame] | 1337 | /* allow transport/FW low power modes */ |
| 1338 | iwl_mvm_unref(mvm, IWL_MVM_REF_UCODE_DOWN); |
| 1339 | |
Arik Nemtsov | cbd2ae2 | 2014-09-14 19:13:54 +0300 | [diff] [blame] | 1340 | /* |
| 1341 | * If we have TDLS peers, remove them. We don't know the last seqno/PN |
| 1342 | * of packets the FW sent out, so we must reconnect. |
| 1343 | */ |
| 1344 | iwl_mvm_teardown_tdls_peers(mvm); |
| 1345 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1346 | mutex_unlock(&mvm->mutex); |
| 1347 | } |
| 1348 | |
Eliad Peller | 088070a | 2014-10-20 18:42:58 +0300 | [diff] [blame] | 1349 | static void iwl_mvm_resume_complete(struct iwl_mvm *mvm) |
| 1350 | { |
| 1351 | bool exit_now; |
| 1352 | |
| 1353 | if (!iwl_mvm_is_d0i3_supported(mvm)) |
| 1354 | return; |
| 1355 | |
| 1356 | mutex_lock(&mvm->d0i3_suspend_mutex); |
| 1357 | __clear_bit(D0I3_DEFER_WAKEUP, &mvm->d0i3_suspend_flags); |
| 1358 | exit_now = __test_and_clear_bit(D0I3_PENDING_WAKEUP, |
| 1359 | &mvm->d0i3_suspend_flags); |
| 1360 | mutex_unlock(&mvm->d0i3_suspend_mutex); |
| 1361 | |
| 1362 | if (exit_now) { |
| 1363 | IWL_DEBUG_RPM(mvm, "Run deferred d0i3 exit\n"); |
| 1364 | _iwl_mvm_exit_d0i3(mvm); |
| 1365 | } |
Eliad Peller | 6735943 | 2014-12-09 15:23:54 +0200 | [diff] [blame] | 1366 | |
| 1367 | if (mvm->trans->d0i3_mode == IWL_D0I3_MODE_ON_SUSPEND) |
| 1368 | if (!wait_event_timeout(mvm->d0i3_exit_waitq, |
| 1369 | !test_bit(IWL_MVM_STATUS_IN_D0I3, |
| 1370 | &mvm->status), |
| 1371 | HZ)) |
| 1372 | WARN_ONCE(1, "D0i3 exit on resume timed out\n"); |
Eliad Peller | 088070a | 2014-10-20 18:42:58 +0300 | [diff] [blame] | 1373 | } |
| 1374 | |
Eliad Peller | cf2c92d | 2014-11-04 11:43:54 +0200 | [diff] [blame] | 1375 | static void |
| 1376 | iwl_mvm_mac_reconfig_complete(struct ieee80211_hw *hw, |
| 1377 | enum ieee80211_reconfig_type reconfig_type) |
| 1378 | { |
| 1379 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); |
| 1380 | |
| 1381 | switch (reconfig_type) { |
| 1382 | case IEEE80211_RECONFIG_TYPE_RESTART: |
| 1383 | iwl_mvm_restart_complete(mvm); |
| 1384 | break; |
| 1385 | case IEEE80211_RECONFIG_TYPE_SUSPEND: |
Eliad Peller | 088070a | 2014-10-20 18:42:58 +0300 | [diff] [blame] | 1386 | iwl_mvm_resume_complete(mvm); |
Eliad Peller | cf2c92d | 2014-11-04 11:43:54 +0200 | [diff] [blame] | 1387 | break; |
| 1388 | } |
| 1389 | } |
| 1390 | |
Luciano Coelho | a0a09243 | 2014-09-04 12:29:15 +0300 | [diff] [blame] | 1391 | void __iwl_mvm_mac_stop(struct iwl_mvm *mvm) |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1392 | { |
Luciano Coelho | a0a09243 | 2014-09-04 12:29:15 +0300 | [diff] [blame] | 1393 | lockdep_assert_held(&mvm->mutex); |
Eliad Peller | 7498cf4 | 2014-01-16 17:10:44 +0200 | [diff] [blame] | 1394 | |
Johannes Berg | 91a8bcd | 2015-01-14 18:12:41 +0100 | [diff] [blame] | 1395 | /* firmware counters are obviously reset now, but we shouldn't |
| 1396 | * partially track so also clear the fw_reset_accu counters. |
| 1397 | */ |
| 1398 | memset(&mvm->accu_radio_stats, 0, sizeof(mvm->accu_radio_stats)); |
| 1399 | |
Eliad Peller | 0a79a0c0 | 2014-12-04 10:27:20 +0200 | [diff] [blame] | 1400 | /* |
| 1401 | * Disallow low power states when the FW is down by taking |
| 1402 | * the UCODE_DOWN ref. in case of ongoing hw restart the |
| 1403 | * ref is already taken, so don't take it again. |
| 1404 | */ |
| 1405 | if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) |
| 1406 | iwl_mvm_ref(mvm, IWL_MVM_REF_UCODE_DOWN); |
Eliad Peller | 7498cf4 | 2014-01-16 17:10:44 +0200 | [diff] [blame] | 1407 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1408 | /* async_handlers_wk is now blocked */ |
| 1409 | |
| 1410 | /* |
| 1411 | * The work item could be running or queued if the |
| 1412 | * ROC time event stops just as we get here. |
| 1413 | */ |
Eliad Peller | c779273 | 2015-04-19 11:41:04 +0300 | [diff] [blame] | 1414 | flush_work(&mvm->roc_done_wk); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1415 | |
| 1416 | iwl_trans_stop_device(mvm->trans); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1417 | |
| 1418 | iwl_mvm_async_handlers_purge(mvm); |
| 1419 | /* async_handlers_list is empty and will stay empty: HW is stopped */ |
| 1420 | |
| 1421 | /* 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] | 1422 | iwl_mvm_del_aux_sta(mvm); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1423 | |
Eliad Peller | 0a79a0c0 | 2014-12-04 10:27:20 +0200 | [diff] [blame] | 1424 | /* |
| 1425 | * Clear IN_HW_RESTART flag when stopping the hw (as restart_complete() |
| 1426 | * won't be called in this case). |
| 1427 | */ |
| 1428 | clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status); |
| 1429 | |
Alexander Bondar | 963221b | 2015-03-26 11:07:35 +0200 | [diff] [blame] | 1430 | /* We shouldn't have any UIDs still set. Loop over all the UIDs to |
| 1431 | * make sure there's nothing left there and warn if any is found. |
| 1432 | */ |
| 1433 | if (mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_CAPA_UMAC_SCAN) { |
| 1434 | int i; |
| 1435 | |
Luciano Coelho | 507e4cd | 2015-03-19 22:58:33 +0200 | [diff] [blame] | 1436 | for (i = 0; i < mvm->max_scans; i++) { |
Alexander Bondar | 963221b | 2015-03-26 11:07:35 +0200 | [diff] [blame] | 1437 | if (WARN_ONCE(mvm->scan_uid[i], |
| 1438 | "UMAC scan UID %d was not cleaned\n", |
| 1439 | mvm->scan_uid[i])) |
| 1440 | mvm->scan_uid[i] = 0; |
| 1441 | } |
| 1442 | } |
| 1443 | |
Luciano Coelho | bc44886 | 2014-08-20 11:49:11 +0300 | [diff] [blame] | 1444 | mvm->ucode_loaded = false; |
Luciano Coelho | a0a09243 | 2014-09-04 12:29:15 +0300 | [diff] [blame] | 1445 | } |
Luciano Coelho | bc44886 | 2014-08-20 11:49:11 +0300 | [diff] [blame] | 1446 | |
Luciano Coelho | a0a09243 | 2014-09-04 12:29:15 +0300 | [diff] [blame] | 1447 | static void iwl_mvm_mac_stop(struct ieee80211_hw *hw) |
| 1448 | { |
| 1449 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); |
| 1450 | |
| 1451 | flush_work(&mvm->d0i3_exit_work); |
| 1452 | flush_work(&mvm->async_handlers_wk); |
Emmanuel Grumbach | d2709ad | 2015-01-29 14:58:06 +0200 | [diff] [blame] | 1453 | cancel_delayed_work_sync(&mvm->fw_dump_wk); |
Emmanuel Grumbach | b6eaa45 | 2015-01-29 14:58:20 +0200 | [diff] [blame] | 1454 | iwl_mvm_free_fw_dump_desc(mvm); |
Luciano Coelho | a0a09243 | 2014-09-04 12:29:15 +0300 | [diff] [blame] | 1455 | |
| 1456 | mutex_lock(&mvm->mutex); |
| 1457 | __iwl_mvm_mac_stop(mvm); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1458 | mutex_unlock(&mvm->mutex); |
| 1459 | |
| 1460 | /* |
| 1461 | * The worker might have been waiting for the mutex, let it run and |
| 1462 | * discover that its list is now empty. |
| 1463 | */ |
| 1464 | cancel_work_sync(&mvm->async_handlers_wk); |
| 1465 | } |
| 1466 | |
Ilan Peer | fe0f2de | 2013-03-21 10:23:52 +0200 | [diff] [blame] | 1467 | static struct iwl_mvm_phy_ctxt *iwl_mvm_get_free_phy_ctxt(struct iwl_mvm *mvm) |
| 1468 | { |
| 1469 | u16 i; |
| 1470 | |
| 1471 | lockdep_assert_held(&mvm->mutex); |
| 1472 | |
| 1473 | for (i = 0; i < NUM_PHY_CTX; i++) |
| 1474 | if (!mvm->phy_ctxts[i].ref) |
| 1475 | return &mvm->phy_ctxts[i]; |
| 1476 | |
| 1477 | IWL_ERR(mvm, "No available PHY context\n"); |
| 1478 | return NULL; |
| 1479 | } |
| 1480 | |
Avri Altman | d44c3fe | 2015-04-18 22:16:42 +0300 | [diff] [blame] | 1481 | static int iwl_mvm_set_tx_power_old(struct iwl_mvm *mvm, |
| 1482 | struct ieee80211_vif *vif, s8 tx_power) |
Emmanuel Grumbach | ee9c6cb | 2013-12-04 13:53:39 +0200 | [diff] [blame] | 1483 | { |
| 1484 | /* FW is in charge of regulatory enforcement */ |
| 1485 | struct iwl_reduce_tx_power_cmd reduce_txpwr_cmd = { |
| 1486 | .mac_context_id = iwl_mvm_vif_from_mac80211(vif)->id, |
| 1487 | .pwr_restriction = cpu_to_le16(tx_power), |
| 1488 | }; |
| 1489 | |
Emmanuel Grumbach | a102292 | 2014-05-12 11:36:41 +0300 | [diff] [blame] | 1490 | return iwl_mvm_send_cmd_pdu(mvm, REDUCE_TX_POWER_CMD, 0, |
Emmanuel Grumbach | ee9c6cb | 2013-12-04 13:53:39 +0200 | [diff] [blame] | 1491 | sizeof(reduce_txpwr_cmd), |
| 1492 | &reduce_txpwr_cmd); |
| 1493 | } |
| 1494 | |
Avri Altman | d44c3fe | 2015-04-18 22:16:42 +0300 | [diff] [blame] | 1495 | static int iwl_mvm_set_tx_power(struct iwl_mvm *mvm, struct ieee80211_vif *vif, |
| 1496 | s16 tx_power) |
| 1497 | { |
| 1498 | struct iwl_dev_tx_power_cmd cmd = { |
| 1499 | .set_mode = 0, |
| 1500 | .mac_context_id = |
| 1501 | cpu_to_le32(iwl_mvm_vif_from_mac80211(vif)->id), |
| 1502 | .pwr_restriction = cpu_to_le16(8 * tx_power), |
| 1503 | }; |
| 1504 | |
| 1505 | if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_TX_POWER_DEV)) |
| 1506 | return iwl_mvm_set_tx_power_old(mvm, vif, tx_power); |
| 1507 | |
| 1508 | if (tx_power == IWL_DEFAULT_MAX_TX_POWER) |
| 1509 | cmd.pwr_restriction = cpu_to_le16(IWL_DEV_MAX_TX_POWER); |
| 1510 | |
| 1511 | return iwl_mvm_send_cmd_pdu(mvm, REDUCE_TX_POWER_CMD, 0, |
| 1512 | sizeof(cmd), &cmd); |
| 1513 | } |
| 1514 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1515 | static int iwl_mvm_mac_add_interface(struct ieee80211_hw *hw, |
| 1516 | struct ieee80211_vif *vif) |
| 1517 | { |
| 1518 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); |
| 1519 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); |
| 1520 | int ret; |
| 1521 | |
Emmanuel Grumbach | aa5e183 | 2015-03-07 19:35:37 +0200 | [diff] [blame] | 1522 | mvmvif->mvm = mvm; |
| 1523 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1524 | /* |
Gregory Greenman | d40fc48 | 2014-06-25 14:08:50 +0200 | [diff] [blame] | 1525 | * make sure D0i3 exit is completed, otherwise a target access |
| 1526 | * during tx queue configuration could be done when still in |
| 1527 | * D0i3 state. |
| 1528 | */ |
| 1529 | ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_ADD_IF); |
| 1530 | if (ret) |
| 1531 | return ret; |
| 1532 | |
| 1533 | /* |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1534 | * Not much to do here. The stack will not allow interface |
| 1535 | * types or combinations that we didn't advertise, so we |
| 1536 | * don't really have to check the types. |
| 1537 | */ |
| 1538 | |
| 1539 | mutex_lock(&mvm->mutex); |
| 1540 | |
Johannes Berg | 33cef92 | 2015-01-21 21:41:29 +0100 | [diff] [blame] | 1541 | /* make sure that beacon statistics don't go backwards with FW reset */ |
| 1542 | if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) |
| 1543 | mvmvif->beacon_stats.accu_num_beacons += |
| 1544 | mvmvif->beacon_stats.num_beacons; |
| 1545 | |
Eliad Peller | e89044d | 2013-07-16 17:33:26 +0300 | [diff] [blame] | 1546 | /* Allocate resources for the MAC context, and add it to the fw */ |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1547 | ret = iwl_mvm_mac_ctxt_init(mvm, vif); |
| 1548 | if (ret) |
| 1549 | goto out_unlock; |
| 1550 | |
Alexander Bondar | 1c2abf7 | 2013-08-27 20:31:48 +0300 | [diff] [blame] | 1551 | /* Counting number of interfaces is needed for legacy PM */ |
Ilan Peer | ea183d0 | 2013-07-23 14:41:53 +0300 | [diff] [blame] | 1552 | if (vif->type != NL80211_IFTYPE_P2P_DEVICE) |
| 1553 | mvm->vif_count++; |
Ilan Peer | ea183d0 | 2013-07-23 14:41:53 +0300 | [diff] [blame] | 1554 | |
| 1555 | /* |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1556 | * The AP binding flow can be done only after the beacon |
| 1557 | * template is configured (which happens only in the mac80211 |
| 1558 | * start_ap() flow), and adding the broadcast station can happen |
| 1559 | * only after the binding. |
| 1560 | * In addition, since modifying the MAC before adding a bcast |
| 1561 | * station is not allowed by the FW, delay the adding of MAC context to |
| 1562 | * the point where we can also add the bcast station. |
| 1563 | * In short: there's not much we can do at this point, other than |
| 1564 | * allocating resources :) |
| 1565 | */ |
Johannes Berg | 5023d96 | 2013-07-31 14:07:43 +0200 | [diff] [blame] | 1566 | if (vif->type == NL80211_IFTYPE_AP || |
| 1567 | vif->type == NL80211_IFTYPE_ADHOC) { |
Johannes Berg | 013290a | 2014-08-04 13:38:48 +0200 | [diff] [blame] | 1568 | ret = iwl_mvm_alloc_bcast_sta(mvm, vif); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1569 | if (ret) { |
| 1570 | IWL_ERR(mvm, "Failed to allocate bcast sta\n"); |
| 1571 | goto out_release; |
| 1572 | } |
| 1573 | |
Emmanuel Grumbach | 77740cb | 2013-06-26 23:51:41 +0300 | [diff] [blame] | 1574 | iwl_mvm_vif_dbgfs_register(mvm, vif); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1575 | goto out_unlock; |
| 1576 | } |
| 1577 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1578 | ret = iwl_mvm_mac_ctxt_add(mvm, vif); |
| 1579 | if (ret) |
| 1580 | goto out_release; |
| 1581 | |
Arik Nemtsov | 999609f | 2014-05-15 17:31:51 +0300 | [diff] [blame] | 1582 | ret = iwl_mvm_power_update_mac(mvm); |
Emmanuel Grumbach | e5e7aa8 | 2014-01-27 16:57:33 +0200 | [diff] [blame] | 1583 | if (ret) |
Luciano Coelho | fd66fc1 | 2015-01-27 15:06:57 +0200 | [diff] [blame] | 1584 | goto out_remove_mac; |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1585 | |
Hila Gonen | 7df15b1 | 2012-12-12 11:16:19 +0200 | [diff] [blame] | 1586 | /* beacon filtering */ |
Emmanuel Grumbach | a102292 | 2014-05-12 11:36:41 +0300 | [diff] [blame] | 1587 | ret = iwl_mvm_disable_beacon_filter(mvm, vif, 0); |
Eliad Peller | bd3351b | 2013-07-16 17:50:17 +0300 | [diff] [blame] | 1588 | if (ret) |
| 1589 | goto out_remove_mac; |
| 1590 | |
Hila Gonen | 7df15b1 | 2012-12-12 11:16:19 +0200 | [diff] [blame] | 1591 | if (!mvm->bf_allowed_vif && |
Emmanuel Grumbach | 73e5f2c | 2014-03-30 08:57:30 +0300 | [diff] [blame] | 1592 | vif->type == NL80211_IFTYPE_STATION && !vif->p2p) { |
Hila Gonen | 7df15b1 | 2012-12-12 11:16:19 +0200 | [diff] [blame] | 1593 | mvm->bf_allowed_vif = mvmvif; |
Andrei Otcheretianski | a20fd39 | 2013-07-21 17:23:59 +0300 | [diff] [blame] | 1594 | vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER | |
| 1595 | IEEE80211_VIF_SUPPORTS_CQM_RSSI; |
Hila Gonen | 7df15b1 | 2012-12-12 11:16:19 +0200 | [diff] [blame] | 1596 | } |
| 1597 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1598 | /* |
| 1599 | * P2P_DEVICE interface does not have a channel context assigned to it, |
| 1600 | * so a dedicated PHY context is allocated to it and the corresponding |
| 1601 | * MAC context is bound to it at this stage. |
| 1602 | */ |
| 1603 | if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1604 | |
Ilan Peer | fe0f2de | 2013-03-21 10:23:52 +0200 | [diff] [blame] | 1605 | mvmvif->phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm); |
| 1606 | if (!mvmvif->phy_ctxt) { |
| 1607 | ret = -ENOSPC; |
Eliad Peller | bd3351b | 2013-07-16 17:50:17 +0300 | [diff] [blame] | 1608 | goto out_free_bf; |
Ilan Peer | fe0f2de | 2013-03-21 10:23:52 +0200 | [diff] [blame] | 1609 | } |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1610 | |
Ilan Peer | 53a9d61 | 2013-04-28 11:55:08 +0300 | [diff] [blame] | 1611 | iwl_mvm_phy_ctxt_ref(mvm, mvmvif->phy_ctxt); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1612 | ret = iwl_mvm_binding_add_vif(mvm, vif); |
| 1613 | if (ret) |
Ilan Peer | 53a9d61 | 2013-04-28 11:55:08 +0300 | [diff] [blame] | 1614 | goto out_unref_phy; |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1615 | |
Johannes Berg | 013290a | 2014-08-04 13:38:48 +0200 | [diff] [blame] | 1616 | ret = iwl_mvm_add_bcast_sta(mvm, vif); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1617 | if (ret) |
| 1618 | goto out_unbind; |
| 1619 | |
| 1620 | /* Save a pointer to p2p device vif, so it can later be used to |
| 1621 | * update the p2p device MAC when a GO is started/stopped */ |
| 1622 | mvm->p2p_device_vif = vif; |
| 1623 | } |
| 1624 | |
Johannes Berg | 6349437 | 2013-03-26 10:47:53 +0100 | [diff] [blame] | 1625 | iwl_mvm_vif_dbgfs_register(mvm, vif); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1626 | goto out_unlock; |
| 1627 | |
| 1628 | out_unbind: |
| 1629 | iwl_mvm_binding_remove_vif(mvm, vif); |
Ilan Peer | 53a9d61 | 2013-04-28 11:55:08 +0300 | [diff] [blame] | 1630 | out_unref_phy: |
Ilan Peer | fe0f2de | 2013-03-21 10:23:52 +0200 | [diff] [blame] | 1631 | iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt); |
Eliad Peller | bd3351b | 2013-07-16 17:50:17 +0300 | [diff] [blame] | 1632 | out_free_bf: |
| 1633 | if (mvm->bf_allowed_vif == mvmvif) { |
| 1634 | mvm->bf_allowed_vif = NULL; |
Andrei Otcheretianski | a20fd39 | 2013-07-21 17:23:59 +0300 | [diff] [blame] | 1635 | vif->driver_flags &= ~(IEEE80211_VIF_BEACON_FILTER | |
| 1636 | IEEE80211_VIF_SUPPORTS_CQM_RSSI); |
Eliad Peller | bd3351b | 2013-07-16 17:50:17 +0300 | [diff] [blame] | 1637 | } |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1638 | out_remove_mac: |
| 1639 | mvmvif->phy_ctxt = NULL; |
| 1640 | iwl_mvm_mac_ctxt_remove(mvm, vif); |
| 1641 | out_release: |
Alexander Bondar | 5ee2b21 | 2013-03-05 10:16:40 +0200 | [diff] [blame] | 1642 | if (vif->type != NL80211_IFTYPE_P2P_DEVICE) |
| 1643 | mvm->vif_count--; |
Alexander Bondar | 1c2abf7 | 2013-08-27 20:31:48 +0300 | [diff] [blame] | 1644 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1645 | iwl_mvm_mac_ctxt_release(mvm, vif); |
| 1646 | out_unlock: |
| 1647 | mutex_unlock(&mvm->mutex); |
| 1648 | |
Gregory Greenman | d40fc48 | 2014-06-25 14:08:50 +0200 | [diff] [blame] | 1649 | iwl_mvm_unref(mvm, IWL_MVM_REF_ADD_IF); |
| 1650 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1651 | return ret; |
| 1652 | } |
| 1653 | |
Johannes Berg | 38a12b5 | 2013-02-22 14:07:56 +0100 | [diff] [blame] | 1654 | static void iwl_mvm_prepare_mac_removal(struct iwl_mvm *mvm, |
| 1655 | struct ieee80211_vif *vif) |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1656 | { |
Arik Nemtsov | d92b732e | 2014-09-21 19:00:42 +0300 | [diff] [blame] | 1657 | u32 tfd_msk = iwl_mvm_mac_get_queues_mask(vif); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1658 | |
| 1659 | if (tfd_msk) { |
Emmanuel Grumbach | fe92e32 | 2015-03-11 09:34:31 +0200 | [diff] [blame] | 1660 | /* |
| 1661 | * mac80211 first removes all the stations of the vif and |
| 1662 | * then removes the vif. When it removes a station it also |
| 1663 | * flushes the AMPDU session. So by now, all the AMPDU sessions |
| 1664 | * of all the stations of this vif are closed, and the queues |
| 1665 | * of these AMPDU sessions are properly closed. |
| 1666 | * We still need to take care of the shared queues of the vif. |
| 1667 | * Flush them here. |
| 1668 | */ |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1669 | mutex_lock(&mvm->mutex); |
| 1670 | iwl_mvm_flush_tx_path(mvm, tfd_msk, true); |
| 1671 | mutex_unlock(&mvm->mutex); |
Emmanuel Grumbach | fe92e32 | 2015-03-11 09:34:31 +0200 | [diff] [blame] | 1672 | |
| 1673 | /* |
| 1674 | * There are transports that buffer a few frames in the host. |
| 1675 | * For these, the flush above isn't enough since while we were |
| 1676 | * flushing, the transport might have sent more frames to the |
| 1677 | * device. To solve this, wait here until the transport is |
| 1678 | * empty. Technically, this could have replaced the flush |
| 1679 | * above, but flush is much faster than draining. So flush |
| 1680 | * first, and drain to make sure we have no frames in the |
| 1681 | * transport anymore. |
| 1682 | * If a station still had frames on the shared queues, it is |
| 1683 | * already marked as draining, so to complete the draining, we |
| 1684 | * just need to wait until the transport is empty. |
| 1685 | */ |
| 1686 | iwl_trans_wait_tx_queue_empty(mvm->trans, tfd_msk); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1687 | } |
| 1688 | |
| 1689 | if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { |
| 1690 | /* |
| 1691 | * Flush the ROC worker which will flush the OFFCHANNEL queue. |
| 1692 | * We assume here that all the packets sent to the OFFCHANNEL |
| 1693 | * queue are sent in ROC session. |
| 1694 | */ |
| 1695 | flush_work(&mvm->roc_done_wk); |
| 1696 | } else { |
| 1697 | /* |
| 1698 | * By now, all the AC queues are empty. The AGG queues are |
| 1699 | * empty too. We already got all the Tx responses for all the |
| 1700 | * packets in the queues. The drain work can have been |
Emmanuel Grumbach | 0742a75 | 2013-06-10 14:10:33 +0300 | [diff] [blame] | 1701 | * triggered. Flush it. |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1702 | */ |
| 1703 | flush_work(&mvm->sta_drained_wk); |
| 1704 | } |
Johannes Berg | 38a12b5 | 2013-02-22 14:07:56 +0100 | [diff] [blame] | 1705 | } |
| 1706 | |
| 1707 | static void iwl_mvm_mac_remove_interface(struct ieee80211_hw *hw, |
| 1708 | struct ieee80211_vif *vif) |
| 1709 | { |
| 1710 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); |
| 1711 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); |
| 1712 | |
| 1713 | iwl_mvm_prepare_mac_removal(mvm, vif); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1714 | |
| 1715 | mutex_lock(&mvm->mutex); |
| 1716 | |
Hila Gonen | 7df15b1 | 2012-12-12 11:16:19 +0200 | [diff] [blame] | 1717 | if (mvm->bf_allowed_vif == mvmvif) { |
| 1718 | mvm->bf_allowed_vif = NULL; |
Andrei Otcheretianski | a20fd39 | 2013-07-21 17:23:59 +0300 | [diff] [blame] | 1719 | vif->driver_flags &= ~(IEEE80211_VIF_BEACON_FILTER | |
| 1720 | IEEE80211_VIF_SUPPORTS_CQM_RSSI); |
Hila Gonen | 7df15b1 | 2012-12-12 11:16:19 +0200 | [diff] [blame] | 1721 | } |
| 1722 | |
Johannes Berg | 6349437 | 2013-03-26 10:47:53 +0100 | [diff] [blame] | 1723 | iwl_mvm_vif_dbgfs_clean(mvm, vif); |
| 1724 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1725 | /* |
| 1726 | * 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] | 1727 | * interface is be handled as part of the stop_ap flow. |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1728 | */ |
Johannes Berg | 5023d96 | 2013-07-31 14:07:43 +0200 | [diff] [blame] | 1729 | if (vif->type == NL80211_IFTYPE_AP || |
| 1730 | vif->type == NL80211_IFTYPE_ADHOC) { |
David Spinadel | 507cadf | 2013-07-31 18:07:21 +0300 | [diff] [blame] | 1731 | #ifdef CONFIG_NL80211_TESTMODE |
| 1732 | if (vif == mvm->noa_vif) { |
| 1733 | mvm->noa_vif = NULL; |
| 1734 | mvm->noa_duration = 0; |
| 1735 | } |
| 1736 | #endif |
Johannes Berg | 013290a | 2014-08-04 13:38:48 +0200 | [diff] [blame] | 1737 | iwl_mvm_dealloc_bcast_sta(mvm, vif); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1738 | goto out_release; |
| 1739 | } |
| 1740 | |
| 1741 | if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { |
| 1742 | mvm->p2p_device_vif = NULL; |
Johannes Berg | 013290a | 2014-08-04 13:38:48 +0200 | [diff] [blame] | 1743 | iwl_mvm_rm_bcast_sta(mvm, vif); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1744 | iwl_mvm_binding_remove_vif(mvm, vif); |
Ilan Peer | fe0f2de | 2013-03-21 10:23:52 +0200 | [diff] [blame] | 1745 | iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1746 | mvmvif->phy_ctxt = NULL; |
| 1747 | } |
| 1748 | |
Alexander Bondar | 5ee2b21 | 2013-03-05 10:16:40 +0200 | [diff] [blame] | 1749 | if (mvm->vif_count && vif->type != NL80211_IFTYPE_P2P_DEVICE) |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1750 | mvm->vif_count--; |
Alexander Bondar | 1c2abf7 | 2013-08-27 20:31:48 +0300 | [diff] [blame] | 1751 | |
Arik Nemtsov | 999609f | 2014-05-15 17:31:51 +0300 | [diff] [blame] | 1752 | iwl_mvm_power_update_mac(mvm); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1753 | iwl_mvm_mac_ctxt_remove(mvm, vif); |
| 1754 | |
| 1755 | out_release: |
| 1756 | iwl_mvm_mac_ctxt_release(mvm, vif); |
| 1757 | mutex_unlock(&mvm->mutex); |
| 1758 | } |
| 1759 | |
| 1760 | static int iwl_mvm_mac_config(struct ieee80211_hw *hw, u32 changed) |
| 1761 | { |
| 1762 | return 0; |
| 1763 | } |
| 1764 | |
Eliad Peller | e59647e | 2013-11-28 14:08:50 +0200 | [diff] [blame] | 1765 | struct iwl_mvm_mc_iter_data { |
| 1766 | struct iwl_mvm *mvm; |
| 1767 | int port_id; |
| 1768 | }; |
| 1769 | |
| 1770 | static void iwl_mvm_mc_iface_iterator(void *_data, u8 *mac, |
| 1771 | struct ieee80211_vif *vif) |
| 1772 | { |
| 1773 | struct iwl_mvm_mc_iter_data *data = _data; |
| 1774 | struct iwl_mvm *mvm = data->mvm; |
| 1775 | struct iwl_mcast_filter_cmd *cmd = mvm->mcast_filter_cmd; |
| 1776 | int ret, len; |
| 1777 | |
| 1778 | /* if we don't have free ports, mcast frames will be dropped */ |
| 1779 | if (WARN_ON_ONCE(data->port_id >= MAX_PORT_ID_NUM)) |
| 1780 | return; |
| 1781 | |
| 1782 | if (vif->type != NL80211_IFTYPE_STATION || |
| 1783 | !vif->bss_conf.assoc) |
| 1784 | return; |
| 1785 | |
| 1786 | cmd->port_id = data->port_id++; |
| 1787 | memcpy(cmd->bssid, vif->bss_conf.bssid, ETH_ALEN); |
| 1788 | len = roundup(sizeof(*cmd) + cmd->count * ETH_ALEN, 4); |
| 1789 | |
Emmanuel Grumbach | 1c4abec | 2014-05-08 09:48:10 +0300 | [diff] [blame] | 1790 | ret = iwl_mvm_send_cmd_pdu(mvm, MCAST_FILTER_CMD, CMD_ASYNC, len, cmd); |
Eliad Peller | e59647e | 2013-11-28 14:08:50 +0200 | [diff] [blame] | 1791 | if (ret) |
| 1792 | IWL_ERR(mvm, "mcast filter cmd error. ret=%d\n", ret); |
| 1793 | } |
| 1794 | |
| 1795 | static void iwl_mvm_recalc_multicast(struct iwl_mvm *mvm) |
| 1796 | { |
| 1797 | struct iwl_mvm_mc_iter_data iter_data = { |
| 1798 | .mvm = mvm, |
| 1799 | }; |
| 1800 | |
| 1801 | lockdep_assert_held(&mvm->mutex); |
| 1802 | |
| 1803 | if (WARN_ON_ONCE(!mvm->mcast_filter_cmd)) |
| 1804 | return; |
| 1805 | |
Emmanuel Grumbach | 1c4abec | 2014-05-08 09:48:10 +0300 | [diff] [blame] | 1806 | ieee80211_iterate_active_interfaces_atomic( |
Eliad Peller | e59647e | 2013-11-28 14:08:50 +0200 | [diff] [blame] | 1807 | mvm->hw, IEEE80211_IFACE_ITER_NORMAL, |
| 1808 | iwl_mvm_mc_iface_iterator, &iter_data); |
| 1809 | } |
| 1810 | |
| 1811 | static u64 iwl_mvm_prepare_multicast(struct ieee80211_hw *hw, |
| 1812 | struct netdev_hw_addr_list *mc_list) |
| 1813 | { |
| 1814 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); |
| 1815 | struct iwl_mcast_filter_cmd *cmd; |
| 1816 | struct netdev_hw_addr *addr; |
Max Stepanov | f3bd58f | 2014-08-04 13:55:01 +0300 | [diff] [blame] | 1817 | int addr_count; |
| 1818 | bool pass_all; |
Eliad Peller | e59647e | 2013-11-28 14:08:50 +0200 | [diff] [blame] | 1819 | int len; |
| 1820 | |
Max Stepanov | f3bd58f | 2014-08-04 13:55:01 +0300 | [diff] [blame] | 1821 | addr_count = netdev_hw_addr_list_count(mc_list); |
| 1822 | pass_all = addr_count > MAX_MCAST_FILTERING_ADDRESSES || |
| 1823 | IWL_MVM_FW_MCAST_FILTER_PASS_ALL; |
| 1824 | if (pass_all) |
Eliad Peller | e59647e | 2013-11-28 14:08:50 +0200 | [diff] [blame] | 1825 | addr_count = 0; |
Eliad Peller | e59647e | 2013-11-28 14:08:50 +0200 | [diff] [blame] | 1826 | |
| 1827 | len = roundup(sizeof(*cmd) + addr_count * ETH_ALEN, 4); |
| 1828 | cmd = kzalloc(len, GFP_ATOMIC); |
| 1829 | if (!cmd) |
| 1830 | return 0; |
| 1831 | |
| 1832 | if (pass_all) { |
| 1833 | cmd->pass_all = 1; |
| 1834 | return (u64)(unsigned long)cmd; |
| 1835 | } |
| 1836 | |
| 1837 | netdev_hw_addr_list_for_each(addr, mc_list) { |
| 1838 | IWL_DEBUG_MAC80211(mvm, "mcast addr (%d): %pM\n", |
| 1839 | cmd->count, addr->addr); |
| 1840 | memcpy(&cmd->addr_list[cmd->count * ETH_ALEN], |
| 1841 | addr->addr, ETH_ALEN); |
| 1842 | cmd->count++; |
| 1843 | } |
| 1844 | |
| 1845 | return (u64)(unsigned long)cmd; |
| 1846 | } |
| 1847 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1848 | static void iwl_mvm_configure_filter(struct ieee80211_hw *hw, |
| 1849 | unsigned int changed_flags, |
| 1850 | unsigned int *total_flags, |
| 1851 | u64 multicast) |
| 1852 | { |
Eliad Peller | e59647e | 2013-11-28 14:08:50 +0200 | [diff] [blame] | 1853 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); |
| 1854 | struct iwl_mcast_filter_cmd *cmd = (void *)(unsigned long)multicast; |
| 1855 | |
| 1856 | mutex_lock(&mvm->mutex); |
| 1857 | |
| 1858 | /* replace previous configuration */ |
| 1859 | kfree(mvm->mcast_filter_cmd); |
| 1860 | mvm->mcast_filter_cmd = cmd; |
| 1861 | |
| 1862 | if (!cmd) |
| 1863 | goto out; |
| 1864 | |
| 1865 | iwl_mvm_recalc_multicast(mvm); |
| 1866 | out: |
| 1867 | mutex_unlock(&mvm->mutex); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1868 | *total_flags = 0; |
| 1869 | } |
| 1870 | |
Eliad Peller | c87163b | 2014-01-08 10:11:11 +0200 | [diff] [blame] | 1871 | #ifdef CONFIG_IWLWIFI_BCAST_FILTERING |
| 1872 | struct iwl_bcast_iter_data { |
| 1873 | struct iwl_mvm *mvm; |
| 1874 | struct iwl_bcast_filter_cmd *cmd; |
| 1875 | u8 current_filter; |
| 1876 | }; |
| 1877 | |
| 1878 | static void |
| 1879 | iwl_mvm_set_bcast_filter(struct ieee80211_vif *vif, |
| 1880 | const struct iwl_fw_bcast_filter *in_filter, |
| 1881 | struct iwl_fw_bcast_filter *out_filter) |
| 1882 | { |
| 1883 | struct iwl_fw_bcast_filter_attr *attr; |
| 1884 | int i; |
| 1885 | |
| 1886 | memcpy(out_filter, in_filter, sizeof(*out_filter)); |
| 1887 | |
| 1888 | for (i = 0; i < ARRAY_SIZE(out_filter->attrs); i++) { |
| 1889 | attr = &out_filter->attrs[i]; |
| 1890 | |
| 1891 | if (!attr->mask) |
| 1892 | break; |
| 1893 | |
Eliad Peller | 2ee8f02 | 2014-01-13 19:07:09 +0200 | [diff] [blame] | 1894 | switch (attr->reserved1) { |
| 1895 | case cpu_to_le16(BC_FILTER_MAGIC_IP): |
| 1896 | if (vif->bss_conf.arp_addr_cnt != 1) { |
| 1897 | attr->mask = 0; |
| 1898 | continue; |
| 1899 | } |
| 1900 | |
| 1901 | attr->val = vif->bss_conf.arp_addr_list[0]; |
| 1902 | break; |
| 1903 | case cpu_to_le16(BC_FILTER_MAGIC_MAC): |
| 1904 | attr->val = *(__be32 *)&vif->addr[2]; |
| 1905 | break; |
| 1906 | default: |
| 1907 | break; |
| 1908 | } |
| 1909 | attr->reserved1 = 0; |
Eliad Peller | c87163b | 2014-01-08 10:11:11 +0200 | [diff] [blame] | 1910 | out_filter->num_attrs++; |
| 1911 | } |
| 1912 | } |
| 1913 | |
| 1914 | static void iwl_mvm_bcast_filter_iterator(void *_data, u8 *mac, |
| 1915 | struct ieee80211_vif *vif) |
| 1916 | { |
| 1917 | struct iwl_bcast_iter_data *data = _data; |
| 1918 | struct iwl_mvm *mvm = data->mvm; |
| 1919 | struct iwl_bcast_filter_cmd *cmd = data->cmd; |
| 1920 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); |
| 1921 | struct iwl_fw_bcast_mac *bcast_mac; |
| 1922 | int i; |
| 1923 | |
| 1924 | if (WARN_ON(mvmvif->id >= ARRAY_SIZE(cmd->macs))) |
| 1925 | return; |
| 1926 | |
| 1927 | bcast_mac = &cmd->macs[mvmvif->id]; |
| 1928 | |
Ilan Peer | e48393e | 2014-05-22 11:19:02 +0300 | [diff] [blame] | 1929 | /* |
| 1930 | * enable filtering only for associated stations, but not for P2P |
| 1931 | * Clients |
| 1932 | */ |
| 1933 | if (vif->type != NL80211_IFTYPE_STATION || vif->p2p || |
| 1934 | !vif->bss_conf.assoc) |
Eliad Peller | c87163b | 2014-01-08 10:11:11 +0200 | [diff] [blame] | 1935 | return; |
| 1936 | |
| 1937 | bcast_mac->default_discard = 1; |
| 1938 | |
| 1939 | /* copy all configured filters */ |
| 1940 | for (i = 0; mvm->bcast_filters[i].attrs[0].mask; i++) { |
| 1941 | /* |
| 1942 | * Make sure we don't exceed our filters limit. |
| 1943 | * if there is still a valid filter to be configured, |
| 1944 | * be on the safe side and just allow bcast for this mac. |
| 1945 | */ |
| 1946 | if (WARN_ON_ONCE(data->current_filter >= |
| 1947 | ARRAY_SIZE(cmd->filters))) { |
| 1948 | bcast_mac->default_discard = 0; |
| 1949 | bcast_mac->attached_filters = 0; |
| 1950 | break; |
| 1951 | } |
| 1952 | |
| 1953 | iwl_mvm_set_bcast_filter(vif, |
| 1954 | &mvm->bcast_filters[i], |
| 1955 | &cmd->filters[data->current_filter]); |
| 1956 | |
| 1957 | /* skip current filter if it contains no attributes */ |
| 1958 | if (!cmd->filters[data->current_filter].num_attrs) |
| 1959 | continue; |
| 1960 | |
| 1961 | /* attach the filter to current mac */ |
| 1962 | bcast_mac->attached_filters |= |
| 1963 | cpu_to_le16(BIT(data->current_filter)); |
| 1964 | |
| 1965 | data->current_filter++; |
| 1966 | } |
| 1967 | } |
| 1968 | |
Eliad Peller | de06a59 | 2014-01-08 10:11:12 +0200 | [diff] [blame] | 1969 | bool iwl_mvm_bcast_filter_build_cmd(struct iwl_mvm *mvm, |
| 1970 | struct iwl_bcast_filter_cmd *cmd) |
Eliad Peller | c87163b | 2014-01-08 10:11:11 +0200 | [diff] [blame] | 1971 | { |
Eliad Peller | c87163b | 2014-01-08 10:11:11 +0200 | [diff] [blame] | 1972 | struct iwl_bcast_iter_data iter_data = { |
| 1973 | .mvm = mvm, |
Eliad Peller | de06a59 | 2014-01-08 10:11:12 +0200 | [diff] [blame] | 1974 | .cmd = cmd, |
Eliad Peller | c87163b | 2014-01-08 10:11:11 +0200 | [diff] [blame] | 1975 | }; |
| 1976 | |
Max Stepanov | 3b8983b | 2014-10-15 11:27:16 +0300 | [diff] [blame] | 1977 | if (IWL_MVM_FW_BCAST_FILTER_PASS_ALL) |
| 1978 | return false; |
| 1979 | |
Eliad Peller | de06a59 | 2014-01-08 10:11:12 +0200 | [diff] [blame] | 1980 | memset(cmd, 0, sizeof(*cmd)); |
| 1981 | cmd->max_bcast_filters = ARRAY_SIZE(cmd->filters); |
| 1982 | cmd->max_macs = ARRAY_SIZE(cmd->macs); |
| 1983 | |
| 1984 | #ifdef CONFIG_IWLWIFI_DEBUGFS |
| 1985 | /* use debugfs filters/macs if override is configured */ |
| 1986 | if (mvm->dbgfs_bcast_filtering.override) { |
| 1987 | memcpy(cmd->filters, &mvm->dbgfs_bcast_filtering.cmd.filters, |
| 1988 | sizeof(cmd->filters)); |
| 1989 | memcpy(cmd->macs, &mvm->dbgfs_bcast_filtering.cmd.macs, |
| 1990 | sizeof(cmd->macs)); |
| 1991 | return true; |
| 1992 | } |
| 1993 | #endif |
Eliad Peller | c87163b | 2014-01-08 10:11:11 +0200 | [diff] [blame] | 1994 | |
| 1995 | /* if no filters are configured, do nothing */ |
| 1996 | if (!mvm->bcast_filters) |
Eliad Peller | de06a59 | 2014-01-08 10:11:12 +0200 | [diff] [blame] | 1997 | return false; |
Eliad Peller | c87163b | 2014-01-08 10:11:11 +0200 | [diff] [blame] | 1998 | |
| 1999 | /* configure and attach these filters for each associated sta vif */ |
| 2000 | ieee80211_iterate_active_interfaces( |
| 2001 | mvm->hw, IEEE80211_IFACE_ITER_NORMAL, |
| 2002 | iwl_mvm_bcast_filter_iterator, &iter_data); |
| 2003 | |
Eliad Peller | de06a59 | 2014-01-08 10:11:12 +0200 | [diff] [blame] | 2004 | return true; |
| 2005 | } |
| 2006 | static int iwl_mvm_configure_bcast_filter(struct iwl_mvm *mvm, |
| 2007 | struct ieee80211_vif *vif) |
| 2008 | { |
| 2009 | struct iwl_bcast_filter_cmd cmd; |
| 2010 | |
| 2011 | if (!(mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_BCAST_FILTERING)) |
| 2012 | return 0; |
| 2013 | |
| 2014 | if (!iwl_mvm_bcast_filter_build_cmd(mvm, &cmd)) |
| 2015 | return 0; |
| 2016 | |
Emmanuel Grumbach | a102292 | 2014-05-12 11:36:41 +0300 | [diff] [blame] | 2017 | return iwl_mvm_send_cmd_pdu(mvm, BCAST_FILTER_CMD, 0, |
Eliad Peller | c87163b | 2014-01-08 10:11:11 +0200 | [diff] [blame] | 2018 | sizeof(cmd), &cmd); |
| 2019 | } |
| 2020 | #else |
| 2021 | static inline int iwl_mvm_configure_bcast_filter(struct iwl_mvm *mvm, |
| 2022 | struct ieee80211_vif *vif) |
| 2023 | { |
| 2024 | return 0; |
| 2025 | } |
| 2026 | #endif |
| 2027 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2028 | static void iwl_mvm_bss_info_changed_station(struct iwl_mvm *mvm, |
| 2029 | struct ieee80211_vif *vif, |
| 2030 | struct ieee80211_bss_conf *bss_conf, |
| 2031 | u32 changes) |
| 2032 | { |
| 2033 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); |
| 2034 | int ret; |
| 2035 | |
Ilan Peer | 6e97b0d | 2013-12-23 22:18:02 +0200 | [diff] [blame] | 2036 | /* |
| 2037 | * Re-calculate the tsf id, as the master-slave relations depend on the |
| 2038 | * beacon interval, which was not known when the station interface was |
| 2039 | * added. |
| 2040 | */ |
| 2041 | if (changes & BSS_CHANGED_ASSOC && bss_conf->assoc) |
| 2042 | iwl_mvm_mac_ctxt_recalc_tsf_id(mvm, vif); |
| 2043 | |
Johannes Berg | 3dfd3a9 | 2014-08-11 21:37:30 +0200 | [diff] [blame] | 2044 | /* |
| 2045 | * If we're not associated yet, take the (new) BSSID before associating |
| 2046 | * so the firmware knows. If we're already associated, then use the old |
| 2047 | * BSSID here, and we'll send a cleared one later in the CHANGED_ASSOC |
| 2048 | * branch for disassociation below. |
| 2049 | */ |
| 2050 | if (changes & BSS_CHANGED_BSSID && !mvmvif->associated) |
| 2051 | memcpy(mvmvif->bssid, bss_conf->bssid, ETH_ALEN); |
| 2052 | |
| 2053 | ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, mvmvif->bssid); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2054 | if (ret) |
| 2055 | IWL_ERR(mvm, "failed to update MAC %pM\n", vif->addr); |
| 2056 | |
Johannes Berg | 3dfd3a9 | 2014-08-11 21:37:30 +0200 | [diff] [blame] | 2057 | /* after sending it once, adopt mac80211 data */ |
| 2058 | memcpy(mvmvif->bssid, bss_conf->bssid, ETH_ALEN); |
| 2059 | mvmvif->associated = bss_conf->assoc; |
| 2060 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2061 | if (changes & BSS_CHANGED_ASSOC) { |
| 2062 | if (bss_conf->assoc) { |
Johannes Berg | 33cef92 | 2015-01-21 21:41:29 +0100 | [diff] [blame] | 2063 | /* clear statistics to get clean beacon counter */ |
| 2064 | iwl_mvm_request_statistics(mvm, true); |
| 2065 | memset(&mvmvif->beacon_stats, 0, |
| 2066 | sizeof(mvmvif->beacon_stats)); |
| 2067 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2068 | /* add quota for this interface */ |
Emmanuel Grumbach | 7754ae7 | 2015-02-26 15:14:35 +0200 | [diff] [blame] | 2069 | ret = iwl_mvm_update_quotas(mvm, true, NULL); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2070 | if (ret) { |
| 2071 | IWL_ERR(mvm, "failed to update quotas\n"); |
| 2072 | return; |
| 2073 | } |
Johannes Berg | 016d27e | 2013-05-03 11:16:15 +0200 | [diff] [blame] | 2074 | |
| 2075 | if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, |
| 2076 | &mvm->status)) { |
| 2077 | /* |
| 2078 | * If we're restarting then the firmware will |
| 2079 | * obviously have lost synchronisation with |
| 2080 | * the AP. It will attempt to synchronise by |
| 2081 | * itself, but we can make it more reliable by |
| 2082 | * scheduling a session protection time event. |
| 2083 | * |
| 2084 | * The firmware needs to receive a beacon to |
| 2085 | * catch up with synchronisation, use 110% of |
| 2086 | * the beacon interval. |
| 2087 | * |
| 2088 | * Set a large maximum delay to allow for more |
| 2089 | * than a single interface. |
| 2090 | */ |
| 2091 | u32 dur = (11 * vif->bss_conf.beacon_int) / 10; |
| 2092 | iwl_mvm_protect_session(mvm, vif, dur, dur, |
Liad Kaufman | d20d37b | 2014-07-06 17:14:39 +0300 | [diff] [blame] | 2093 | 5 * dur, false); |
Johannes Berg | 016d27e | 2013-05-03 11:16:15 +0200 | [diff] [blame] | 2094 | } |
Lilach Edelstein | 1f3b0ff | 2013-10-06 13:03:32 +0200 | [diff] [blame] | 2095 | |
| 2096 | iwl_mvm_sf_update(mvm, vif, false); |
Alexander Bondar | 175a70b | 2013-04-14 20:59:37 +0300 | [diff] [blame] | 2097 | iwl_mvm_power_vif_assoc(mvm, vif); |
Emmanuel Grumbach | 697162a | 2014-07-30 15:56:42 +0300 | [diff] [blame] | 2098 | if (vif->p2p) { |
Eliad Peller | 29a90a4 | 2013-11-05 14:06:29 +0200 | [diff] [blame] | 2099 | iwl_mvm_ref(mvm, IWL_MVM_REF_P2P_CLIENT); |
Emmanuel Grumbach | 697162a | 2014-07-30 15:56:42 +0300 | [diff] [blame] | 2100 | iwl_mvm_update_smps(mvm, vif, |
| 2101 | IWL_MVM_SMPS_REQ_PROT, |
| 2102 | IEEE80211_SMPS_DYNAMIC); |
| 2103 | } |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2104 | } else if (mvmvif->ap_sta_id != IWL_MVM_STATION_COUNT) { |
Lilach Edelstein | 1f3b0ff | 2013-10-06 13:03:32 +0200 | [diff] [blame] | 2105 | /* |
| 2106 | * If update fails - SF might be running in associated |
| 2107 | * mode while disassociated - which is forbidden. |
| 2108 | */ |
| 2109 | WARN_ONCE(iwl_mvm_sf_update(mvm, vif, false), |
| 2110 | "Failed to update SF upon disassociation\n"); |
| 2111 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2112 | /* remove AP station now that the MAC is unassoc */ |
| 2113 | ret = iwl_mvm_rm_sta_id(mvm, vif, mvmvif->ap_sta_id); |
| 2114 | if (ret) |
| 2115 | IWL_ERR(mvm, "failed to remove AP station\n"); |
Eliad Peller | 37577fe | 2013-12-05 17:19:39 +0200 | [diff] [blame] | 2116 | |
| 2117 | if (mvm->d0i3_ap_sta_id == mvmvif->ap_sta_id) |
| 2118 | mvm->d0i3_ap_sta_id = IWL_MVM_STATION_COUNT; |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2119 | mvmvif->ap_sta_id = IWL_MVM_STATION_COUNT; |
| 2120 | /* remove quota for this interface */ |
Emmanuel Grumbach | 7754ae7 | 2015-02-26 15:14:35 +0200 | [diff] [blame] | 2121 | ret = iwl_mvm_update_quotas(mvm, false, NULL); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2122 | if (ret) |
| 2123 | IWL_ERR(mvm, "failed to update quotas\n"); |
Eliad Peller | 29a90a4 | 2013-11-05 14:06:29 +0200 | [diff] [blame] | 2124 | |
| 2125 | if (vif->p2p) |
| 2126 | iwl_mvm_unref(mvm, IWL_MVM_REF_P2P_CLIENT); |
Johannes Berg | 3dfd3a9 | 2014-08-11 21:37:30 +0200 | [diff] [blame] | 2127 | |
| 2128 | /* this will take the cleared BSSID from bss_conf */ |
| 2129 | ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); |
| 2130 | if (ret) |
| 2131 | IWL_ERR(mvm, |
| 2132 | "failed to update MAC %pM (clear after unassoc)\n", |
| 2133 | vif->addr); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2134 | } |
Andrei Otcheretianski | a20fd39 | 2013-07-21 17:23:59 +0300 | [diff] [blame] | 2135 | |
Eliad Peller | e59647e | 2013-11-28 14:08:50 +0200 | [diff] [blame] | 2136 | iwl_mvm_recalc_multicast(mvm); |
Eliad Peller | c87163b | 2014-01-08 10:11:11 +0200 | [diff] [blame] | 2137 | iwl_mvm_configure_bcast_filter(mvm, vif); |
Eliad Peller | e59647e | 2013-11-28 14:08:50 +0200 | [diff] [blame] | 2138 | |
Andrei Otcheretianski | a20fd39 | 2013-07-21 17:23:59 +0300 | [diff] [blame] | 2139 | /* reset rssi values */ |
| 2140 | mvmvif->bf_data.ave_beacon_signal = 0; |
| 2141 | |
Emmanuel Grumbach | 8e484f0 | 2013-10-02 15:02:25 +0300 | [diff] [blame] | 2142 | iwl_mvm_bt_coex_vif_change(mvm); |
Emmanuel Grumbach | f94045e | 2014-01-06 13:38:55 +0200 | [diff] [blame] | 2143 | iwl_mvm_update_smps(mvm, vif, IWL_MVM_SMPS_REQ_TT, |
| 2144 | IEEE80211_SMPS_AUTOMATIC); |
Alexander Bondar | 989c650 | 2013-05-16 17:34:17 +0300 | [diff] [blame] | 2145 | } else if (changes & BSS_CHANGED_BEACON_INFO) { |
Johannes Berg | 210a544 | 2013-01-24 23:48:23 +0100 | [diff] [blame] | 2146 | /* |
| 2147 | * We received a beacon _after_ association so |
| 2148 | * remove the session protection. |
| 2149 | */ |
| 2150 | iwl_mvm_remove_time_event(mvm, mvmvif, |
| 2151 | &mvmvif->time_event_data); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2152 | } |
Eran Harary | cc87d32 | 2014-07-15 14:04:23 +0300 | [diff] [blame] | 2153 | |
| 2154 | if (changes & BSS_CHANGED_BEACON_INFO) { |
| 2155 | iwl_mvm_sf_update(mvm, vif, false); |
| 2156 | WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif, 0)); |
| 2157 | } |
| 2158 | |
Johannes Berg | 1bc10d3 | 2014-08-26 14:25:46 +0200 | [diff] [blame] | 2159 | if (changes & (BSS_CHANGED_PS | BSS_CHANGED_P2P_PS | BSS_CHANGED_QOS)) { |
| 2160 | ret = iwl_mvm_power_update_mac(mvm); |
| 2161 | if (ret) |
| 2162 | IWL_ERR(mvm, "failed to update power mode\n"); |
| 2163 | } |
| 2164 | |
Matti Gottlieb | 88f2fd7 | 2013-07-09 15:25:46 +0300 | [diff] [blame] | 2165 | if (changes & BSS_CHANGED_TXPOWER) { |
| 2166 | IWL_DEBUG_CALIB(mvm, "Changing TX Power to %d\n", |
| 2167 | bss_conf->txpower); |
| 2168 | iwl_mvm_set_tx_power(mvm, vif, bss_conf->txpower); |
| 2169 | } |
Andrei Otcheretianski | a20fd39 | 2013-07-21 17:23:59 +0300 | [diff] [blame] | 2170 | |
| 2171 | if (changes & BSS_CHANGED_CQM) { |
Johannes Berg | 3c6acb6 | 2014-05-07 11:47:53 +0200 | [diff] [blame] | 2172 | IWL_DEBUG_MAC80211(mvm, "cqm info_changed\n"); |
Andrei Otcheretianski | a20fd39 | 2013-07-21 17:23:59 +0300 | [diff] [blame] | 2173 | /* reset cqm events tracking */ |
| 2174 | mvmvif->bf_data.last_cqm_event = 0; |
Avri Altman | fa7b2e7 | 2014-05-20 08:03:24 +0300 | [diff] [blame] | 2175 | if (mvmvif->bf_data.bf_enabled) { |
| 2176 | ret = iwl_mvm_enable_beacon_filter(mvm, vif, 0); |
| 2177 | if (ret) |
| 2178 | IWL_ERR(mvm, |
| 2179 | "failed to update CQM thresholds\n"); |
| 2180 | } |
Andrei Otcheretianski | a20fd39 | 2013-07-21 17:23:59 +0300 | [diff] [blame] | 2181 | } |
Eliad Peller | 2ee8f02 | 2014-01-13 19:07:09 +0200 | [diff] [blame] | 2182 | |
| 2183 | if (changes & BSS_CHANGED_ARP_FILTER) { |
Johannes Berg | 3c6acb6 | 2014-05-07 11:47:53 +0200 | [diff] [blame] | 2184 | IWL_DEBUG_MAC80211(mvm, "arp filter changed\n"); |
Eliad Peller | 2ee8f02 | 2014-01-13 19:07:09 +0200 | [diff] [blame] | 2185 | iwl_mvm_configure_bcast_filter(mvm, vif); |
| 2186 | } |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2187 | } |
| 2188 | |
Johannes Berg | 5023d96 | 2013-07-31 14:07:43 +0200 | [diff] [blame] | 2189 | static int iwl_mvm_start_ap_ibss(struct ieee80211_hw *hw, |
| 2190 | struct ieee80211_vif *vif) |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2191 | { |
| 2192 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); |
| 2193 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); |
| 2194 | int ret; |
| 2195 | |
Eliad Peller | 576eeee | 2014-07-01 18:38:38 +0300 | [diff] [blame] | 2196 | /* |
| 2197 | * iwl_mvm_mac_ctxt_add() might read directly from the device |
| 2198 | * (the system time), so make sure it is available. |
| 2199 | */ |
| 2200 | ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_START_AP); |
| 2201 | if (ret) |
| 2202 | return ret; |
| 2203 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2204 | mutex_lock(&mvm->mutex); |
| 2205 | |
| 2206 | /* Send the beacon template */ |
| 2207 | ret = iwl_mvm_mac_ctxt_beacon_changed(mvm, vif); |
| 2208 | if (ret) |
| 2209 | goto out_unlock; |
| 2210 | |
Ilan Peer | 6e97b0d | 2013-12-23 22:18:02 +0200 | [diff] [blame] | 2211 | /* |
| 2212 | * Re-calculate the tsf id, as the master-slave relations depend on the |
| 2213 | * beacon interval, which was not known when the AP interface was added. |
| 2214 | */ |
| 2215 | if (vif->type == NL80211_IFTYPE_AP) |
| 2216 | iwl_mvm_mac_ctxt_recalc_tsf_id(mvm, vif); |
| 2217 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2218 | /* Add the mac context */ |
| 2219 | ret = iwl_mvm_mac_ctxt_add(mvm, vif); |
| 2220 | if (ret) |
| 2221 | goto out_unlock; |
| 2222 | |
| 2223 | /* Perform the binding */ |
| 2224 | ret = iwl_mvm_binding_add_vif(mvm, vif); |
| 2225 | if (ret) |
| 2226 | goto out_remove; |
| 2227 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2228 | /* Send the bcast station. At this stage the TBTT and DTIM time events |
| 2229 | * are added and applied to the scheduler */ |
Johannes Berg | 013290a | 2014-08-04 13:38:48 +0200 | [diff] [blame] | 2230 | ret = iwl_mvm_send_add_bcast_sta(mvm, vif); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2231 | if (ret) |
| 2232 | goto out_unbind; |
| 2233 | |
Ilan Peer | 5691e21 | 2013-12-31 21:05:50 +0200 | [diff] [blame] | 2234 | /* must be set before quota calculations */ |
| 2235 | mvmvif->ap_ibss_active = true; |
| 2236 | |
Ilan Peer | a11e144 | 2013-12-31 21:19:55 +0200 | [diff] [blame] | 2237 | /* power updated needs to be done before quotas */ |
Arik Nemtsov | 999609f | 2014-05-15 17:31:51 +0300 | [diff] [blame] | 2238 | iwl_mvm_power_update_mac(mvm); |
Ilan Peer | a11e144 | 2013-12-31 21:19:55 +0200 | [diff] [blame] | 2239 | |
Emmanuel Grumbach | 7754ae7 | 2015-02-26 15:14:35 +0200 | [diff] [blame] | 2240 | ret = iwl_mvm_update_quotas(mvm, false, NULL); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2241 | if (ret) |
Ilan Peer | a11e144 | 2013-12-31 21:19:55 +0200 | [diff] [blame] | 2242 | goto out_quota_failed; |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2243 | |
Johannes Berg | 5023d96 | 2013-07-31 14:07:43 +0200 | [diff] [blame] | 2244 | /* 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] | 2245 | if (vif->p2p && mvm->p2p_device_vif) |
Johannes Berg | 3dfd3a9 | 2014-08-11 21:37:30 +0200 | [diff] [blame] | 2246 | iwl_mvm_mac_ctxt_changed(mvm, mvm->p2p_device_vif, false, NULL); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2247 | |
Eliad Peller | 29a90a4 | 2013-11-05 14:06:29 +0200 | [diff] [blame] | 2248 | iwl_mvm_ref(mvm, IWL_MVM_REF_AP_IBSS); |
| 2249 | |
Emmanuel Grumbach | 8e484f0 | 2013-10-02 15:02:25 +0300 | [diff] [blame] | 2250 | iwl_mvm_bt_coex_vif_change(mvm); |
Emmanuel Grumbach | dac94da | 2013-06-18 07:35:27 +0300 | [diff] [blame] | 2251 | |
Arik Nemtsov | f697267 | 2014-06-15 16:03:55 +0300 | [diff] [blame] | 2252 | /* we don't support TDLS during DCM */ |
| 2253 | if (iwl_mvm_phy_ctx_count(mvm) > 1) |
| 2254 | iwl_mvm_teardown_tdls_peers(mvm); |
| 2255 | |
Arik Nemtsov | 939e490 | 2015-03-08 12:19:42 +0200 | [diff] [blame] | 2256 | goto out_unlock; |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2257 | |
Ilan Peer | a11e144 | 2013-12-31 21:19:55 +0200 | [diff] [blame] | 2258 | out_quota_failed: |
Arik Nemtsov | 999609f | 2014-05-15 17:31:51 +0300 | [diff] [blame] | 2259 | iwl_mvm_power_update_mac(mvm); |
Ilan Peer | 5691e21 | 2013-12-31 21:05:50 +0200 | [diff] [blame] | 2260 | mvmvif->ap_ibss_active = false; |
Johannes Berg | 013290a | 2014-08-04 13:38:48 +0200 | [diff] [blame] | 2261 | iwl_mvm_send_rm_bcast_sta(mvm, vif); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2262 | out_unbind: |
| 2263 | iwl_mvm_binding_remove_vif(mvm, vif); |
| 2264 | out_remove: |
| 2265 | iwl_mvm_mac_ctxt_remove(mvm, vif); |
| 2266 | out_unlock: |
| 2267 | mutex_unlock(&mvm->mutex); |
Eliad Peller | 576eeee | 2014-07-01 18:38:38 +0300 | [diff] [blame] | 2268 | iwl_mvm_unref(mvm, IWL_MVM_REF_START_AP); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2269 | return ret; |
| 2270 | } |
| 2271 | |
Johannes Berg | 5023d96 | 2013-07-31 14:07:43 +0200 | [diff] [blame] | 2272 | static void iwl_mvm_stop_ap_ibss(struct ieee80211_hw *hw, |
| 2273 | struct ieee80211_vif *vif) |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2274 | { |
| 2275 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); |
| 2276 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); |
| 2277 | |
Johannes Berg | 38a12b5 | 2013-02-22 14:07:56 +0100 | [diff] [blame] | 2278 | iwl_mvm_prepare_mac_removal(mvm, vif); |
| 2279 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2280 | mutex_lock(&mvm->mutex); |
| 2281 | |
Andrei Otcheretianski | 664322f | 2014-06-05 16:40:36 +0300 | [diff] [blame] | 2282 | /* Handle AP stop while in CSA */ |
Andrei Otcheretianski | 7f0a7c6 | 2014-05-04 11:48:12 +0300 | [diff] [blame] | 2283 | if (rcu_access_pointer(mvm->csa_vif) == vif) { |
| 2284 | iwl_mvm_remove_time_event(mvm, mvmvif, |
| 2285 | &mvmvif->time_event_data); |
Andrei Otcheretianski | 664322f | 2014-06-05 16:40:36 +0300 | [diff] [blame] | 2286 | RCU_INIT_POINTER(mvm->csa_vif, NULL); |
Andrei Otcheretianski | 7f0a7c6 | 2014-05-04 11:48:12 +0300 | [diff] [blame] | 2287 | } |
Andrei Otcheretianski | 664322f | 2014-06-05 16:40:36 +0300 | [diff] [blame] | 2288 | |
Andrei Otcheretianski | 003e5236 | 2014-05-25 17:24:22 +0300 | [diff] [blame] | 2289 | if (rcu_access_pointer(mvm->csa_tx_blocked_vif) == vif) { |
| 2290 | RCU_INIT_POINTER(mvm->csa_tx_blocked_vif, NULL); |
| 2291 | mvm->csa_tx_block_bcn_timeout = 0; |
| 2292 | } |
| 2293 | |
Johannes Berg | 5023d96 | 2013-07-31 14:07:43 +0200 | [diff] [blame] | 2294 | mvmvif->ap_ibss_active = false; |
David Spinadel | 1c87bba | 2014-02-27 16:41:52 +0200 | [diff] [blame] | 2295 | mvm->ap_last_beacon_gp2 = 0; |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2296 | |
Emmanuel Grumbach | 8e484f0 | 2013-10-02 15:02:25 +0300 | [diff] [blame] | 2297 | iwl_mvm_bt_coex_vif_change(mvm); |
Emmanuel Grumbach | dac94da | 2013-06-18 07:35:27 +0300 | [diff] [blame] | 2298 | |
Eliad Peller | 29a90a4 | 2013-11-05 14:06:29 +0200 | [diff] [blame] | 2299 | iwl_mvm_unref(mvm, IWL_MVM_REF_AP_IBSS); |
| 2300 | |
Johannes Berg | 5023d96 | 2013-07-31 14:07:43 +0200 | [diff] [blame] | 2301 | /* 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] | 2302 | if (vif->p2p && mvm->p2p_device_vif) |
Johannes Berg | 3dfd3a9 | 2014-08-11 21:37:30 +0200 | [diff] [blame] | 2303 | iwl_mvm_mac_ctxt_changed(mvm, mvm->p2p_device_vif, false, NULL); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2304 | |
Emmanuel Grumbach | 7754ae7 | 2015-02-26 15:14:35 +0200 | [diff] [blame] | 2305 | iwl_mvm_update_quotas(mvm, false, NULL); |
Johannes Berg | 013290a | 2014-08-04 13:38:48 +0200 | [diff] [blame] | 2306 | iwl_mvm_send_rm_bcast_sta(mvm, vif); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2307 | iwl_mvm_binding_remove_vif(mvm, vif); |
Ilan Peer | a11e144 | 2013-12-31 21:19:55 +0200 | [diff] [blame] | 2308 | |
Arik Nemtsov | 999609f | 2014-05-15 17:31:51 +0300 | [diff] [blame] | 2309 | iwl_mvm_power_update_mac(mvm); |
Ilan Peer | a11e144 | 2013-12-31 21:19:55 +0200 | [diff] [blame] | 2310 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2311 | iwl_mvm_mac_ctxt_remove(mvm, vif); |
| 2312 | |
| 2313 | mutex_unlock(&mvm->mutex); |
| 2314 | } |
| 2315 | |
Johannes Berg | 5023d96 | 2013-07-31 14:07:43 +0200 | [diff] [blame] | 2316 | static void |
| 2317 | iwl_mvm_bss_info_changed_ap_ibss(struct iwl_mvm *mvm, |
| 2318 | struct ieee80211_vif *vif, |
| 2319 | struct ieee80211_bss_conf *bss_conf, |
| 2320 | u32 changes) |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2321 | { |
Ilan Peer | be2056f | 2013-12-04 16:47:14 +0200 | [diff] [blame] | 2322 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); |
Avri Altman | 8a5e366 | 2013-11-12 19:16:03 +0200 | [diff] [blame] | 2323 | |
Ilan Peer | be2056f | 2013-12-04 16:47:14 +0200 | [diff] [blame] | 2324 | /* Changes will be applied when the AP/IBSS is started */ |
| 2325 | if (!mvmvif->ap_ibss_active) |
| 2326 | return; |
| 2327 | |
Johannes Berg | 863230da | 2013-12-04 17:08:40 +0100 | [diff] [blame] | 2328 | if (changes & (BSS_CHANGED_ERP_CTS_PROT | BSS_CHANGED_HT | |
Johannes Berg | f7d8b70 | 2014-09-09 15:49:19 +0200 | [diff] [blame] | 2329 | BSS_CHANGED_BANDWIDTH | BSS_CHANGED_QOS) && |
Johannes Berg | 3dfd3a9 | 2014-08-11 21:37:30 +0200 | [diff] [blame] | 2330 | iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL)) |
Johannes Berg | 863230da | 2013-12-04 17:08:40 +0100 | [diff] [blame] | 2331 | IWL_ERR(mvm, "failed to update MAC %pM\n", vif->addr); |
Avri Altman | 8a5e366 | 2013-11-12 19:16:03 +0200 | [diff] [blame] | 2332 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2333 | /* Need to send a new beacon template to the FW */ |
Johannes Berg | 863230da | 2013-12-04 17:08:40 +0100 | [diff] [blame] | 2334 | if (changes & BSS_CHANGED_BEACON && |
| 2335 | iwl_mvm_mac_ctxt_beacon_changed(mvm, vif)) |
| 2336 | IWL_WARN(mvm, "Failed updating beacon data\n"); |
Haim Dreyfuss | 79b7a69 | 2014-09-14 12:40:00 +0300 | [diff] [blame] | 2337 | |
| 2338 | if (changes & BSS_CHANGED_TXPOWER) { |
| 2339 | IWL_DEBUG_CALIB(mvm, "Changing TX Power to %d\n", |
| 2340 | bss_conf->txpower); |
| 2341 | iwl_mvm_set_tx_power(mvm, vif, bss_conf->txpower); |
| 2342 | } |
| 2343 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2344 | } |
| 2345 | |
| 2346 | static void iwl_mvm_bss_info_changed(struct ieee80211_hw *hw, |
| 2347 | struct ieee80211_vif *vif, |
| 2348 | struct ieee80211_bss_conf *bss_conf, |
| 2349 | u32 changes) |
| 2350 | { |
| 2351 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); |
| 2352 | |
Eliad Peller | 576eeee | 2014-07-01 18:38:38 +0300 | [diff] [blame] | 2353 | /* |
| 2354 | * iwl_mvm_bss_info_changed_station() might call |
| 2355 | * iwl_mvm_protect_session(), which reads directly from |
| 2356 | * the device (the system time), so make sure it is available. |
| 2357 | */ |
| 2358 | if (iwl_mvm_ref_sync(mvm, IWL_MVM_REF_BSS_CHANGED)) |
| 2359 | return; |
| 2360 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2361 | mutex_lock(&mvm->mutex); |
| 2362 | |
David Spinadel | 723f02e | 2014-04-27 09:54:54 +0300 | [diff] [blame] | 2363 | if (changes & BSS_CHANGED_IDLE && !bss_conf->idle) |
David Spinadel | fb98be5 | 2014-05-04 12:51:10 +0300 | [diff] [blame] | 2364 | iwl_mvm_scan_offload_stop(mvm, true); |
David Spinadel | 723f02e | 2014-04-27 09:54:54 +0300 | [diff] [blame] | 2365 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2366 | switch (vif->type) { |
| 2367 | case NL80211_IFTYPE_STATION: |
| 2368 | iwl_mvm_bss_info_changed_station(mvm, vif, bss_conf, changes); |
| 2369 | break; |
| 2370 | case NL80211_IFTYPE_AP: |
Johannes Berg | 5023d96 | 2013-07-31 14:07:43 +0200 | [diff] [blame] | 2371 | case NL80211_IFTYPE_ADHOC: |
| 2372 | iwl_mvm_bss_info_changed_ap_ibss(mvm, vif, bss_conf, changes); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2373 | break; |
| 2374 | default: |
| 2375 | /* shouldn't happen */ |
| 2376 | WARN_ON_ONCE(1); |
| 2377 | } |
| 2378 | |
| 2379 | mutex_unlock(&mvm->mutex); |
Eliad Peller | 576eeee | 2014-07-01 18:38:38 +0300 | [diff] [blame] | 2380 | iwl_mvm_unref(mvm, IWL_MVM_REF_BSS_CHANGED); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2381 | } |
| 2382 | |
| 2383 | static int iwl_mvm_mac_hw_scan(struct ieee80211_hw *hw, |
| 2384 | struct ieee80211_vif *vif, |
David Spinadel | c56ef67 | 2014-02-05 15:21:13 +0200 | [diff] [blame] | 2385 | struct ieee80211_scan_request *hw_req) |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2386 | { |
| 2387 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); |
| 2388 | int ret; |
| 2389 | |
Luciano Coelho | 6749dd8 | 2015-03-20 15:51:36 +0200 | [diff] [blame] | 2390 | if (hw_req->req.n_channels == 0 || |
| 2391 | hw_req->req.n_channels > mvm->fw->ucode_capa.n_scan_channels) |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2392 | return -EINVAL; |
| 2393 | |
| 2394 | mutex_lock(&mvm->mutex); |
Luciano Coelho | 6749dd8 | 2015-03-20 15:51:36 +0200 | [diff] [blame] | 2395 | 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] | 2396 | mutex_unlock(&mvm->mutex); |
Luciano Coelho | 6749dd8 | 2015-03-20 15:51:36 +0200 | [diff] [blame] | 2397 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2398 | return ret; |
| 2399 | } |
| 2400 | |
| 2401 | static void iwl_mvm_mac_cancel_hw_scan(struct ieee80211_hw *hw, |
| 2402 | struct ieee80211_vif *vif) |
| 2403 | { |
| 2404 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); |
| 2405 | |
| 2406 | mutex_lock(&mvm->mutex); |
| 2407 | |
Luciano Coelho | e7d3aba | 2015-02-06 10:19:05 +0200 | [diff] [blame] | 2408 | /* Due to a race condition, it's possible that mac80211 asks |
| 2409 | * us to stop a hw_scan when it's already stopped. This can |
| 2410 | * happen, for instance, if we stopped the scan ourselves, |
| 2411 | * called ieee80211_scan_completed() and the userspace called |
| 2412 | * cancel scan scan before ieee80211_scan_work() could run. |
| 2413 | * To handle that, simply return if the scan is not running. |
| 2414 | */ |
| 2415 | /* FIXME: for now, we ignore this race for UMAC scans, since |
| 2416 | * they don't set the scan_status. |
| 2417 | */ |
Luciano Coelho | 9af91f4 | 2015-02-10 10:42:26 +0200 | [diff] [blame] | 2418 | if ((mvm->scan_status & IWL_MVM_SCAN_REGULAR) || |
Luciano Coelho | e7d3aba | 2015-02-06 10:19:05 +0200 | [diff] [blame] | 2419 | (mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_CAPA_UMAC_SCAN)) |
| 2420 | iwl_mvm_cancel_scan(mvm); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2421 | |
| 2422 | mutex_unlock(&mvm->mutex); |
| 2423 | } |
| 2424 | |
| 2425 | static void |
| 2426 | iwl_mvm_mac_allow_buffered_frames(struct ieee80211_hw *hw, |
Johannes Berg | 3e56ead | 2013-02-15 22:23:18 +0100 | [diff] [blame] | 2427 | struct ieee80211_sta *sta, u16 tids, |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2428 | int num_frames, |
| 2429 | enum ieee80211_frame_release_type reason, |
| 2430 | bool more_data) |
| 2431 | { |
| 2432 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2433 | |
Johannes Berg | 3e56ead | 2013-02-15 22:23:18 +0100 | [diff] [blame] | 2434 | /* Called when we need to transmit (a) frame(s) from mac80211 */ |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2435 | |
Johannes Berg | 3e56ead | 2013-02-15 22:23:18 +0100 | [diff] [blame] | 2436 | iwl_mvm_sta_modify_sleep_tx_count(mvm, sta, reason, num_frames, |
| 2437 | tids, more_data, false); |
| 2438 | } |
| 2439 | |
| 2440 | static void |
| 2441 | iwl_mvm_mac_release_buffered_frames(struct ieee80211_hw *hw, |
| 2442 | struct ieee80211_sta *sta, u16 tids, |
| 2443 | int num_frames, |
| 2444 | enum ieee80211_frame_release_type reason, |
| 2445 | bool more_data) |
| 2446 | { |
| 2447 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); |
| 2448 | |
| 2449 | /* Called when we need to transmit (a) frame(s) from agg queue */ |
| 2450 | |
| 2451 | iwl_mvm_sta_modify_sleep_tx_count(mvm, sta, reason, num_frames, |
| 2452 | tids, more_data, true); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2453 | } |
| 2454 | |
| 2455 | static void iwl_mvm_mac_sta_notify(struct ieee80211_hw *hw, |
| 2456 | struct ieee80211_vif *vif, |
| 2457 | enum sta_notify_cmd cmd, |
| 2458 | struct ieee80211_sta *sta) |
| 2459 | { |
| 2460 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); |
Johannes Berg | 5b577a9 | 2013-11-14 18:20:04 +0100 | [diff] [blame] | 2461 | struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); |
Emmanuel Grumbach | c22b0ff | 2015-01-22 13:15:15 +0200 | [diff] [blame] | 2462 | unsigned long txqs = 0, tids = 0; |
Johannes Berg | 3e56ead | 2013-02-15 22:23:18 +0100 | [diff] [blame] | 2463 | int tid; |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2464 | |
Emmanuel Grumbach | c22b0ff | 2015-01-22 13:15:15 +0200 | [diff] [blame] | 2465 | spin_lock_bh(&mvmsta->lock); |
| 2466 | for (tid = 0; tid < IWL_MAX_TID_COUNT; tid++) { |
| 2467 | struct iwl_mvm_tid_data *tid_data = &mvmsta->tid_data[tid]; |
| 2468 | |
| 2469 | if (tid_data->state != IWL_AGG_ON && |
| 2470 | tid_data->state != IWL_EMPTYING_HW_QUEUE_DELBA) |
| 2471 | continue; |
| 2472 | |
| 2473 | __set_bit(tid_data->txq_id, &txqs); |
| 2474 | |
| 2475 | if (iwl_mvm_tid_queued(tid_data) == 0) |
| 2476 | continue; |
| 2477 | |
| 2478 | __set_bit(tid, &tids); |
| 2479 | } |
| 2480 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2481 | switch (cmd) { |
| 2482 | case STA_NOTIFY_SLEEP: |
Emmanuel Grumbach | e3d4bc8 | 2013-05-07 14:08:24 +0300 | [diff] [blame] | 2483 | if (atomic_read(&mvm->pending_frames[mvmsta->sta_id]) > 0) |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2484 | ieee80211_sta_block_awake(hw, sta, true); |
Johannes Berg | 3e56ead | 2013-02-15 22:23:18 +0100 | [diff] [blame] | 2485 | |
Emmanuel Grumbach | c22b0ff | 2015-01-22 13:15:15 +0200 | [diff] [blame] | 2486 | for_each_set_bit(tid, &tids, IWL_MAX_TID_COUNT) |
Johannes Berg | 3e56ead | 2013-02-15 22:23:18 +0100 | [diff] [blame] | 2487 | ieee80211_sta_set_buffered(sta, tid, true); |
Emmanuel Grumbach | c22b0ff | 2015-01-22 13:15:15 +0200 | [diff] [blame] | 2488 | |
| 2489 | if (txqs) |
| 2490 | iwl_trans_freeze_txq_timer(mvm->trans, txqs, true); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2491 | /* |
| 2492 | * The fw updates the STA to be asleep. Tx packets on the Tx |
| 2493 | * queues to this station will not be transmitted. The fw will |
| 2494 | * send a Tx response with TX_STATUS_FAIL_DEST_PS. |
| 2495 | */ |
| 2496 | break; |
| 2497 | case STA_NOTIFY_AWAKE: |
Emmanuel Grumbach | 881acd8 | 2013-03-19 16:16:00 +0200 | [diff] [blame] | 2498 | if (WARN_ON(mvmsta->sta_id == IWL_MVM_STATION_COUNT)) |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2499 | break; |
Emmanuel Grumbach | c22b0ff | 2015-01-22 13:15:15 +0200 | [diff] [blame] | 2500 | |
| 2501 | if (txqs) |
| 2502 | iwl_trans_freeze_txq_timer(mvm->trans, txqs, false); |
Johannes Berg | 9cc4071 | 2013-02-15 22:47:48 +0100 | [diff] [blame] | 2503 | iwl_mvm_sta_modify_ps_wake(mvm, sta); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2504 | break; |
| 2505 | default: |
| 2506 | break; |
| 2507 | } |
Emmanuel Grumbach | c22b0ff | 2015-01-22 13:15:15 +0200 | [diff] [blame] | 2508 | spin_unlock_bh(&mvmsta->lock); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2509 | } |
| 2510 | |
Johannes Berg | 1ddbbb0 | 2013-12-04 22:39:17 +0100 | [diff] [blame] | 2511 | static void iwl_mvm_sta_pre_rcu_remove(struct ieee80211_hw *hw, |
| 2512 | struct ieee80211_vif *vif, |
| 2513 | struct ieee80211_sta *sta) |
| 2514 | { |
| 2515 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); |
Johannes Berg | 9d8ce6a | 2014-12-23 16:02:40 +0100 | [diff] [blame] | 2516 | struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); |
Johannes Berg | 1ddbbb0 | 2013-12-04 22:39:17 +0100 | [diff] [blame] | 2517 | |
| 2518 | /* |
| 2519 | * This is called before mac80211 does RCU synchronisation, |
| 2520 | * so here we already invalidate our internal RCU-protected |
| 2521 | * station pointer. The rest of the code will thus no longer |
| 2522 | * be able to find the station this way, and we don't rely |
| 2523 | * on further RCU synchronisation after the sta_state() |
| 2524 | * callback deleted the station. |
| 2525 | */ |
| 2526 | mutex_lock(&mvm->mutex); |
| 2527 | if (sta == rcu_access_pointer(mvm->fw_id_to_mac_id[mvm_sta->sta_id])) |
| 2528 | rcu_assign_pointer(mvm->fw_id_to_mac_id[mvm_sta->sta_id], |
| 2529 | ERR_PTR(-ENOENT)); |
| 2530 | mutex_unlock(&mvm->mutex); |
| 2531 | } |
| 2532 | |
Johannes Berg | bd1ba66 | 2014-11-13 20:53:45 +0100 | [diff] [blame] | 2533 | static void iwl_mvm_check_uapsd(struct iwl_mvm *mvm, struct ieee80211_vif *vif, |
| 2534 | const u8 *bssid) |
| 2535 | { |
| 2536 | if (!(mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_UAPSD_SUPPORT)) |
| 2537 | return; |
| 2538 | |
| 2539 | if (iwlwifi_mod_params.uapsd_disable) { |
| 2540 | vif->driver_flags &= ~IEEE80211_VIF_SUPPORTS_UAPSD; |
| 2541 | return; |
| 2542 | } |
| 2543 | |
| 2544 | vif->driver_flags |= IEEE80211_VIF_SUPPORTS_UAPSD; |
| 2545 | } |
| 2546 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2547 | static int iwl_mvm_mac_sta_state(struct ieee80211_hw *hw, |
| 2548 | struct ieee80211_vif *vif, |
| 2549 | struct ieee80211_sta *sta, |
| 2550 | enum ieee80211_sta_state old_state, |
| 2551 | enum ieee80211_sta_state new_state) |
| 2552 | { |
| 2553 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); |
| 2554 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); |
| 2555 | int ret; |
| 2556 | |
| 2557 | IWL_DEBUG_MAC80211(mvm, "station %pM state change %d->%d\n", |
| 2558 | sta->addr, old_state, new_state); |
| 2559 | |
| 2560 | /* this would be a mac80211 bug ... but don't crash */ |
| 2561 | if (WARN_ON_ONCE(!mvmvif->phy_ctxt)) |
| 2562 | return -EINVAL; |
| 2563 | |
| 2564 | /* if a STA is being removed, reuse its ID */ |
| 2565 | flush_work(&mvm->sta_drained_wk); |
| 2566 | |
| 2567 | mutex_lock(&mvm->mutex); |
| 2568 | if (old_state == IEEE80211_STA_NOTEXIST && |
| 2569 | new_state == IEEE80211_STA_NONE) { |
Johannes Berg | 48bc130 | 2013-07-04 15:55:29 +0200 | [diff] [blame] | 2570 | /* |
| 2571 | * Firmware bug - it'll crash if the beacon interval is less |
| 2572 | * than 16. We can't avoid connecting at all, so refuse the |
| 2573 | * station state change, this will cause mac80211 to abandon |
| 2574 | * attempts to connect to this AP, and eventually wpa_s will |
| 2575 | * blacklist the AP... |
| 2576 | */ |
| 2577 | if (vif->type == NL80211_IFTYPE_STATION && |
| 2578 | vif->bss_conf.beacon_int < 16) { |
| 2579 | IWL_ERR(mvm, |
| 2580 | "AP %pM beacon interval is %d, refusing due to firmware bug!\n", |
| 2581 | sta->addr, vif->bss_conf.beacon_int); |
| 2582 | ret = -EINVAL; |
| 2583 | goto out_unlock; |
| 2584 | } |
Arik Nemtsov | cf7b491 | 2014-05-15 11:44:40 +0300 | [diff] [blame] | 2585 | |
| 2586 | if (sta->tdls && |
| 2587 | (vif->p2p || |
Arik Nemtsov | fa3d07e | 2014-05-15 18:59:32 +0300 | [diff] [blame] | 2588 | iwl_mvm_tdls_sta_count(mvm, NULL) == |
| 2589 | IWL_MVM_TDLS_STA_COUNT || |
Arik Nemtsov | cf7b491 | 2014-05-15 11:44:40 +0300 | [diff] [blame] | 2590 | iwl_mvm_phy_ctx_count(mvm) > 1)) { |
| 2591 | IWL_DEBUG_MAC80211(mvm, "refusing TDLS sta\n"); |
| 2592 | ret = -EBUSY; |
| 2593 | goto out_unlock; |
| 2594 | } |
| 2595 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2596 | ret = iwl_mvm_add_sta(mvm, vif, sta); |
Arik Nemtsov | fa3d07e | 2014-05-15 18:59:32 +0300 | [diff] [blame] | 2597 | if (sta->tdls && ret == 0) |
| 2598 | iwl_mvm_recalc_tdls_state(mvm, vif, true); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2599 | } else if (old_state == IEEE80211_STA_NONE && |
| 2600 | new_state == IEEE80211_STA_AUTH) { |
Haim Dreyfuss | e820c2d | 2014-04-06 11:19:09 +0300 | [diff] [blame] | 2601 | /* |
| 2602 | * EBS may be disabled due to previous failures reported by FW. |
| 2603 | * Reset EBS status here assuming environment has been changed. |
| 2604 | */ |
| 2605 | mvm->last_ebs_successful = true; |
Johannes Berg | bd1ba66 | 2014-11-13 20:53:45 +0100 | [diff] [blame] | 2606 | iwl_mvm_check_uapsd(mvm, vif, sta->addr); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2607 | ret = 0; |
| 2608 | } else if (old_state == IEEE80211_STA_AUTH && |
| 2609 | new_state == IEEE80211_STA_ASSOC) { |
Johannes Berg | 7a45397 | 2013-02-12 13:10:44 +0100 | [diff] [blame] | 2610 | ret = iwl_mvm_update_sta(mvm, vif, sta); |
| 2611 | if (ret == 0) |
| 2612 | iwl_mvm_rs_rate_init(mvm, sta, |
Eyal Shapira | b87c217 | 2013-11-09 23:37:55 +0200 | [diff] [blame] | 2613 | mvmvif->phy_ctxt->channel->band, |
| 2614 | true); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2615 | } else if (old_state == IEEE80211_STA_ASSOC && |
| 2616 | new_state == IEEE80211_STA_AUTHORIZED) { |
Arik Nemtsov | f59e0e3c | 2014-06-10 19:56:27 +0300 | [diff] [blame] | 2617 | |
| 2618 | /* we don't support TDLS during DCM */ |
| 2619 | if (iwl_mvm_phy_ctx_count(mvm) > 1) |
| 2620 | iwl_mvm_teardown_tdls_peers(mvm); |
| 2621 | |
Hila Gonen | 7df15b1 | 2012-12-12 11:16:19 +0200 | [diff] [blame] | 2622 | /* enable beacon filtering */ |
Avri Altman | fa7b2e7 | 2014-05-20 08:03:24 +0300 | [diff] [blame] | 2623 | WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif, 0)); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2624 | ret = 0; |
| 2625 | } else if (old_state == IEEE80211_STA_AUTHORIZED && |
| 2626 | new_state == IEEE80211_STA_ASSOC) { |
Hila Gonen | 7df15b1 | 2012-12-12 11:16:19 +0200 | [diff] [blame] | 2627 | /* disable beacon filtering */ |
Emmanuel Grumbach | a102292 | 2014-05-12 11:36:41 +0300 | [diff] [blame] | 2628 | WARN_ON(iwl_mvm_disable_beacon_filter(mvm, vif, 0)); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2629 | ret = 0; |
| 2630 | } else if (old_state == IEEE80211_STA_ASSOC && |
| 2631 | new_state == IEEE80211_STA_AUTH) { |
| 2632 | ret = 0; |
| 2633 | } else if (old_state == IEEE80211_STA_AUTH && |
| 2634 | new_state == IEEE80211_STA_NONE) { |
| 2635 | ret = 0; |
| 2636 | } else if (old_state == IEEE80211_STA_NONE && |
| 2637 | new_state == IEEE80211_STA_NOTEXIST) { |
| 2638 | ret = iwl_mvm_rm_sta(mvm, vif, sta); |
Arik Nemtsov | fa3d07e | 2014-05-15 18:59:32 +0300 | [diff] [blame] | 2639 | if (sta->tdls) |
| 2640 | iwl_mvm_recalc_tdls_state(mvm, vif, false); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2641 | } else { |
| 2642 | ret = -EIO; |
| 2643 | } |
Johannes Berg | 48bc130 | 2013-07-04 15:55:29 +0200 | [diff] [blame] | 2644 | out_unlock: |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2645 | mutex_unlock(&mvm->mutex); |
| 2646 | |
Liad Kaufman | 9c126cd | 2014-10-06 19:08:56 +0200 | [diff] [blame] | 2647 | if (sta->tdls && ret == 0) { |
| 2648 | if (old_state == IEEE80211_STA_NOTEXIST && |
| 2649 | new_state == IEEE80211_STA_NONE) |
| 2650 | ieee80211_reserve_tid(sta, IWL_MVM_TDLS_FW_TID); |
| 2651 | else if (old_state == IEEE80211_STA_NONE && |
| 2652 | new_state == IEEE80211_STA_NOTEXIST) |
| 2653 | ieee80211_unreserve_tid(sta, IWL_MVM_TDLS_FW_TID); |
| 2654 | } |
| 2655 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2656 | return ret; |
| 2657 | } |
| 2658 | |
| 2659 | static int iwl_mvm_mac_set_rts_threshold(struct ieee80211_hw *hw, u32 value) |
| 2660 | { |
| 2661 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); |
| 2662 | |
| 2663 | mvm->rts_threshold = value; |
| 2664 | |
| 2665 | return 0; |
| 2666 | } |
| 2667 | |
Lilach Edelstein | 1f3b0ff | 2013-10-06 13:03:32 +0200 | [diff] [blame] | 2668 | static void iwl_mvm_sta_rc_update(struct ieee80211_hw *hw, |
| 2669 | struct ieee80211_vif *vif, |
| 2670 | struct ieee80211_sta *sta, u32 changed) |
| 2671 | { |
| 2672 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); |
| 2673 | |
| 2674 | if (vif->type == NL80211_IFTYPE_STATION && |
| 2675 | changed & IEEE80211_RC_NSS_CHANGED) |
| 2676 | iwl_mvm_sf_update(mvm, vif, false); |
| 2677 | } |
| 2678 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2679 | static int iwl_mvm_mac_conf_tx(struct ieee80211_hw *hw, |
| 2680 | struct ieee80211_vif *vif, u16 ac, |
| 2681 | const struct ieee80211_tx_queue_params *params) |
| 2682 | { |
| 2683 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); |
| 2684 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); |
| 2685 | |
| 2686 | mvmvif->queue_params[ac] = *params; |
| 2687 | |
| 2688 | /* |
| 2689 | * No need to update right away, we'll get BSS_CHANGED_QOS |
| 2690 | * The exception is P2P_DEVICE interface which needs immediate update. |
| 2691 | */ |
| 2692 | if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { |
| 2693 | int ret; |
| 2694 | |
| 2695 | mutex_lock(&mvm->mutex); |
Johannes Berg | 3dfd3a9 | 2014-08-11 21:37:30 +0200 | [diff] [blame] | 2696 | ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2697 | mutex_unlock(&mvm->mutex); |
| 2698 | return ret; |
| 2699 | } |
| 2700 | return 0; |
| 2701 | } |
| 2702 | |
| 2703 | static void iwl_mvm_mac_mgd_prepare_tx(struct ieee80211_hw *hw, |
| 2704 | struct ieee80211_vif *vif) |
| 2705 | { |
| 2706 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); |
| 2707 | u32 duration = min(IWL_MVM_TE_SESSION_PROTECTION_MAX_TIME_MS, |
| 2708 | 200 + vif->bss_conf.beacon_int); |
| 2709 | u32 min_duration = min(IWL_MVM_TE_SESSION_PROTECTION_MIN_TIME_MS, |
| 2710 | 100 + vif->bss_conf.beacon_int); |
| 2711 | |
| 2712 | if (WARN_ON_ONCE(vif->bss_conf.assoc)) |
| 2713 | return; |
| 2714 | |
Eliad Peller | 576eeee | 2014-07-01 18:38:38 +0300 | [diff] [blame] | 2715 | /* |
| 2716 | * iwl_mvm_protect_session() reads directly from the device |
| 2717 | * (the system time), so make sure it is available. |
| 2718 | */ |
| 2719 | if (iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PREPARE_TX)) |
| 2720 | return; |
| 2721 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2722 | mutex_lock(&mvm->mutex); |
| 2723 | /* Try really hard to protect the session and hear a beacon */ |
Liad Kaufman | d20d37b | 2014-07-06 17:14:39 +0300 | [diff] [blame] | 2724 | iwl_mvm_protect_session(mvm, vif, duration, min_duration, 500, false); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2725 | mutex_unlock(&mvm->mutex); |
Eliad Peller | 576eeee | 2014-07-01 18:38:38 +0300 | [diff] [blame] | 2726 | |
| 2727 | iwl_mvm_unref(mvm, IWL_MVM_REF_PREPARE_TX); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2728 | } |
| 2729 | |
David Spinadel | 35a000b | 2013-08-28 09:29:43 +0300 | [diff] [blame] | 2730 | static int iwl_mvm_mac_sched_scan_start(struct ieee80211_hw *hw, |
| 2731 | struct ieee80211_vif *vif, |
| 2732 | struct cfg80211_sched_scan_request *req, |
David Spinadel | 633e271 | 2014-02-06 16:15:23 +0200 | [diff] [blame] | 2733 | struct ieee80211_scan_ies *ies) |
David Spinadel | 35a000b | 2013-08-28 09:29:43 +0300 | [diff] [blame] | 2734 | { |
| 2735 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); |
Luciano Coelho | 6749dd8 | 2015-03-20 15:51:36 +0200 | [diff] [blame] | 2736 | |
David Spinadel | 35a000b | 2013-08-28 09:29:43 +0300 | [diff] [blame] | 2737 | int ret; |
| 2738 | |
| 2739 | mutex_lock(&mvm->mutex); |
| 2740 | |
Luciano Coelho | 1f94038 | 2015-02-10 13:03:38 +0200 | [diff] [blame] | 2741 | if (!vif->bss_conf.idle) { |
David Spinadel | bd5e474 | 2014-04-24 13:15:29 +0300 | [diff] [blame] | 2742 | ret = -EBUSY; |
| 2743 | goto out; |
| 2744 | } |
| 2745 | |
Luciano Coelho | 19945df | 2015-03-20 16:11:28 +0200 | [diff] [blame] | 2746 | 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] | 2747 | |
David Spinadel | 35a000b | 2013-08-28 09:29:43 +0300 | [diff] [blame] | 2748 | out: |
| 2749 | mutex_unlock(&mvm->mutex); |
| 2750 | return ret; |
| 2751 | } |
| 2752 | |
Johannes Berg | 37e3308 | 2014-02-17 10:48:17 +0100 | [diff] [blame] | 2753 | static int iwl_mvm_mac_sched_scan_stop(struct ieee80211_hw *hw, |
| 2754 | struct ieee80211_vif *vif) |
David Spinadel | 35a000b | 2013-08-28 09:29:43 +0300 | [diff] [blame] | 2755 | { |
| 2756 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); |
Arik Nemtsov | 33ea27f | 2014-02-10 15:34:29 +0200 | [diff] [blame] | 2757 | int ret; |
David Spinadel | 35a000b | 2013-08-28 09:29:43 +0300 | [diff] [blame] | 2758 | |
| 2759 | mutex_lock(&mvm->mutex); |
Luciano Coelho | e7d3aba | 2015-02-06 10:19:05 +0200 | [diff] [blame] | 2760 | |
| 2761 | /* Due to a race condition, it's possible that mac80211 asks |
| 2762 | * us to stop a sched_scan when it's already stopped. This |
| 2763 | * can happen, for instance, if we stopped the scan ourselves, |
| 2764 | * called ieee80211_sched_scan_stopped() and the userspace called |
| 2765 | * stop sched scan scan before ieee80211_sched_scan_stopped_work() |
| 2766 | * could run. To handle this, simply return if the scan is |
| 2767 | * not running. |
| 2768 | */ |
| 2769 | /* FIXME: for now, we ignore this race for UMAC scans, since |
| 2770 | * they don't set the scan_status. |
| 2771 | */ |
Luciano Coelho | 9af91f4 | 2015-02-10 10:42:26 +0200 | [diff] [blame] | 2772 | if (!(mvm->scan_status & IWL_MVM_SCAN_SCHED) && |
Luciano Coelho | e7d3aba | 2015-02-06 10:19:05 +0200 | [diff] [blame] | 2773 | !(mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_CAPA_UMAC_SCAN)) { |
| 2774 | mutex_unlock(&mvm->mutex); |
| 2775 | return 0; |
| 2776 | } |
| 2777 | |
David Spinadel | fb98be5 | 2014-05-04 12:51:10 +0300 | [diff] [blame] | 2778 | ret = iwl_mvm_scan_offload_stop(mvm, false); |
David Spinadel | 35a000b | 2013-08-28 09:29:43 +0300 | [diff] [blame] | 2779 | mutex_unlock(&mvm->mutex); |
Arik Nemtsov | 33ea27f | 2014-02-10 15:34:29 +0200 | [diff] [blame] | 2780 | iwl_mvm_wait_for_async_handlers(mvm); |
Johannes Berg | 37e3308 | 2014-02-17 10:48:17 +0100 | [diff] [blame] | 2781 | |
Arik Nemtsov | 33ea27f | 2014-02-10 15:34:29 +0200 | [diff] [blame] | 2782 | return ret; |
David Spinadel | 35a000b | 2013-08-28 09:29:43 +0300 | [diff] [blame] | 2783 | } |
| 2784 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2785 | static int iwl_mvm_mac_set_key(struct ieee80211_hw *hw, |
| 2786 | enum set_key_cmd cmd, |
| 2787 | struct ieee80211_vif *vif, |
| 2788 | struct ieee80211_sta *sta, |
| 2789 | struct ieee80211_key_conf *key) |
| 2790 | { |
| 2791 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); |
| 2792 | int ret; |
| 2793 | |
| 2794 | if (iwlwifi_mod_params.sw_crypto) { |
| 2795 | IWL_DEBUG_MAC80211(mvm, "leave - hwcrypto disabled\n"); |
| 2796 | return -EOPNOTSUPP; |
| 2797 | } |
| 2798 | |
| 2799 | switch (key->cipher) { |
| 2800 | case WLAN_CIPHER_SUITE_TKIP: |
| 2801 | key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC; |
| 2802 | /* fall-through */ |
| 2803 | case WLAN_CIPHER_SUITE_CCMP: |
| 2804 | key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV; |
| 2805 | break; |
| 2806 | case WLAN_CIPHER_SUITE_AES_CMAC: |
| 2807 | WARN_ON_ONCE(!(hw->flags & IEEE80211_HW_MFP_CAPABLE)); |
| 2808 | break; |
| 2809 | case WLAN_CIPHER_SUITE_WEP40: |
| 2810 | case WLAN_CIPHER_SUITE_WEP104: |
Johannes Berg | ba3943b | 2014-11-12 23:54:48 +0100 | [diff] [blame] | 2811 | /* For non-client mode, only use WEP keys for TX as we probably |
| 2812 | * don't have a station yet anyway and would then have to keep |
| 2813 | * track of the keys, linking them to each of the clients/peers |
| 2814 | * as they appear. For now, don't do that, for performance WEP |
| 2815 | * offload doesn't really matter much, but we need it for some |
| 2816 | * other offload features in client mode. |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2817 | */ |
Johannes Berg | ba3943b | 2014-11-12 23:54:48 +0100 | [diff] [blame] | 2818 | if (vif->type != NL80211_IFTYPE_STATION) |
| 2819 | return 0; |
| 2820 | break; |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2821 | default: |
Max Stepanov | e36e543 | 2013-08-27 19:56:13 +0300 | [diff] [blame] | 2822 | /* currently FW supports only one optional cipher scheme */ |
| 2823 | if (hw->n_cipher_schemes && |
| 2824 | hw->cipher_schemes->cipher == key->cipher) |
| 2825 | key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE; |
| 2826 | else |
| 2827 | return -EOPNOTSUPP; |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2828 | } |
| 2829 | |
| 2830 | mutex_lock(&mvm->mutex); |
| 2831 | |
| 2832 | switch (cmd) { |
| 2833 | case SET_KEY: |
Johannes Berg | 5023d96 | 2013-07-31 14:07:43 +0200 | [diff] [blame] | 2834 | if ((vif->type == NL80211_IFTYPE_ADHOC || |
| 2835 | vif->type == NL80211_IFTYPE_AP) && !sta) { |
| 2836 | /* |
| 2837 | * GTK on AP interface is a TX-only key, return 0; |
| 2838 | * on IBSS they're per-station and because we're lazy |
| 2839 | * we don't support them for RX, so do the same. |
| 2840 | */ |
Johannes Berg | 6caffd4 | 2013-03-06 13:15:21 +0100 | [diff] [blame] | 2841 | ret = 0; |
| 2842 | key->hw_key_idx = STA_KEY_IDX_INVALID; |
| 2843 | break; |
| 2844 | } |
| 2845 | |
Johannes Berg | b546dcd | 2015-04-20 17:31:10 +0200 | [diff] [blame] | 2846 | /* During FW restart, in order to restore the state as it was, |
| 2847 | * don't try to reprogram keys we previously failed for. |
| 2848 | */ |
| 2849 | if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) && |
| 2850 | key->hw_key_idx == STA_KEY_IDX_INVALID) { |
| 2851 | IWL_DEBUG_MAC80211(mvm, |
| 2852 | "skip invalid idx key programming during restart\n"); |
| 2853 | ret = 0; |
| 2854 | break; |
| 2855 | } |
| 2856 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2857 | IWL_DEBUG_MAC80211(mvm, "set hwcrypto key\n"); |
Johannes Berg | b546dcd | 2015-04-20 17:31:10 +0200 | [diff] [blame] | 2858 | ret = iwl_mvm_set_sta_key(mvm, vif, sta, key, |
| 2859 | test_bit(IWL_MVM_STATUS_IN_HW_RESTART, |
| 2860 | &mvm->status)); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2861 | if (ret) { |
| 2862 | IWL_WARN(mvm, "set key failed\n"); |
| 2863 | /* |
| 2864 | * can't add key for RX, but we don't need it |
| 2865 | * in the device for TX so still return 0 |
| 2866 | */ |
Johannes Berg | 6caffd4 | 2013-03-06 13:15:21 +0100 | [diff] [blame] | 2867 | key->hw_key_idx = STA_KEY_IDX_INVALID; |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2868 | ret = 0; |
| 2869 | } |
| 2870 | |
| 2871 | break; |
| 2872 | case DISABLE_KEY: |
Johannes Berg | 6caffd4 | 2013-03-06 13:15:21 +0100 | [diff] [blame] | 2873 | if (key->hw_key_idx == STA_KEY_IDX_INVALID) { |
| 2874 | ret = 0; |
| 2875 | break; |
| 2876 | } |
| 2877 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2878 | IWL_DEBUG_MAC80211(mvm, "disable hwcrypto key\n"); |
| 2879 | ret = iwl_mvm_remove_sta_key(mvm, vif, sta, key); |
| 2880 | break; |
| 2881 | default: |
| 2882 | ret = -EINVAL; |
| 2883 | } |
| 2884 | |
| 2885 | mutex_unlock(&mvm->mutex); |
| 2886 | return ret; |
| 2887 | } |
| 2888 | |
| 2889 | static void iwl_mvm_mac_update_tkip_key(struct ieee80211_hw *hw, |
| 2890 | struct ieee80211_vif *vif, |
| 2891 | struct ieee80211_key_conf *keyconf, |
| 2892 | struct ieee80211_sta *sta, |
| 2893 | u32 iv32, u16 *phase1key) |
| 2894 | { |
| 2895 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); |
| 2896 | |
Johannes Berg | 5023d96 | 2013-07-31 14:07:43 +0200 | [diff] [blame] | 2897 | if (keyconf->hw_key_idx == STA_KEY_IDX_INVALID) |
| 2898 | return; |
| 2899 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 2900 | iwl_mvm_update_tkip_key(mvm, vif, keyconf, sta, iv32, phase1key); |
| 2901 | } |
| 2902 | |
| 2903 | |
Ariej Marjieh | b112889 | 2014-07-16 21:11:12 +0300 | [diff] [blame] | 2904 | static bool iwl_mvm_rx_aux_roc(struct iwl_notif_wait_data *notif_wait, |
| 2905 | struct iwl_rx_packet *pkt, void *data) |
| 2906 | { |
| 2907 | struct iwl_mvm *mvm = |
| 2908 | container_of(notif_wait, struct iwl_mvm, notif_wait); |
| 2909 | struct iwl_hs20_roc_res *resp; |
| 2910 | int resp_len = iwl_rx_packet_payload_len(pkt); |
| 2911 | struct iwl_mvm_time_event_data *te_data = data; |
| 2912 | |
| 2913 | if (WARN_ON(pkt->hdr.cmd != HOT_SPOT_CMD)) |
| 2914 | return true; |
| 2915 | |
| 2916 | if (WARN_ON_ONCE(resp_len != sizeof(*resp))) { |
| 2917 | IWL_ERR(mvm, "Invalid HOT_SPOT_CMD response\n"); |
| 2918 | return true; |
| 2919 | } |
| 2920 | |
| 2921 | resp = (void *)pkt->data; |
| 2922 | |
| 2923 | IWL_DEBUG_TE(mvm, |
| 2924 | "Aux ROC: Recieved response from ucode: status=%d uid=%d\n", |
| 2925 | resp->status, resp->event_unique_id); |
| 2926 | |
| 2927 | te_data->uid = le32_to_cpu(resp->event_unique_id); |
| 2928 | IWL_DEBUG_TE(mvm, "TIME_EVENT_CMD response - UID = 0x%x\n", |
| 2929 | te_data->uid); |
| 2930 | |
| 2931 | spin_lock_bh(&mvm->time_event_lock); |
| 2932 | list_add_tail(&te_data->list, &mvm->aux_roc_te_list); |
| 2933 | spin_unlock_bh(&mvm->time_event_lock); |
| 2934 | |
| 2935 | return true; |
| 2936 | } |
| 2937 | |
Matti Gottlieb | 35d3dab | 2015-03-29 13:38:16 +0300 | [diff] [blame] | 2938 | #define AUX_ROC_MAX_DELAY_ON_CHANNEL 200 |
Ariej Marjieh | b112889 | 2014-07-16 21:11:12 +0300 | [diff] [blame] | 2939 | static int iwl_mvm_send_aux_roc_cmd(struct iwl_mvm *mvm, |
| 2940 | struct ieee80211_channel *channel, |
| 2941 | struct ieee80211_vif *vif, |
| 2942 | int duration) |
| 2943 | { |
| 2944 | int res, time_reg = DEVICE_SYSTEM_TIME_REG; |
| 2945 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); |
| 2946 | struct iwl_mvm_time_event_data *te_data = &mvmvif->hs_time_event_data; |
| 2947 | static const u8 time_event_response[] = { HOT_SPOT_CMD }; |
| 2948 | struct iwl_notification_wait wait_time_event; |
| 2949 | struct iwl_hs20_roc_req aux_roc_req = { |
| 2950 | .action = cpu_to_le32(FW_CTXT_ACTION_ADD), |
| 2951 | .id_and_color = |
| 2952 | cpu_to_le32(FW_CMD_ID_AND_COLOR(MAC_INDEX_AUX, 0)), |
| 2953 | .sta_id_and_color = cpu_to_le32(mvm->aux_sta.sta_id), |
| 2954 | /* Set the channel info data */ |
| 2955 | .channel_info.band = (channel->band == IEEE80211_BAND_2GHZ) ? |
| 2956 | PHY_BAND_24 : PHY_BAND_5, |
| 2957 | .channel_info.channel = channel->hw_value, |
| 2958 | .channel_info.width = PHY_VHT_CHANNEL_MODE20, |
| 2959 | /* Set the time and duration */ |
| 2960 | .apply_time = cpu_to_le32(iwl_read_prph(mvm->trans, time_reg)), |
| 2961 | .apply_time_max_delay = |
| 2962 | cpu_to_le32(MSEC_TO_TU(AUX_ROC_MAX_DELAY_ON_CHANNEL)), |
| 2963 | .duration = cpu_to_le32(MSEC_TO_TU(duration)), |
| 2964 | }; |
| 2965 | |
| 2966 | /* Set the node address */ |
| 2967 | memcpy(aux_roc_req.node_addr, vif->addr, ETH_ALEN); |
| 2968 | |
Matti Gottlieb | a6cc516 | 2014-09-29 11:46:04 +0300 | [diff] [blame] | 2969 | lockdep_assert_held(&mvm->mutex); |
| 2970 | |
| 2971 | spin_lock_bh(&mvm->time_event_lock); |
| 2972 | |
| 2973 | if (WARN_ON(te_data->id == HOT_SPOT_CMD)) { |
| 2974 | spin_unlock_bh(&mvm->time_event_lock); |
| 2975 | return -EIO; |
| 2976 | } |
| 2977 | |
Ariej Marjieh | b112889 | 2014-07-16 21:11:12 +0300 | [diff] [blame] | 2978 | te_data->vif = vif; |
| 2979 | te_data->duration = duration; |
| 2980 | te_data->id = HOT_SPOT_CMD; |
| 2981 | |
Ariej Marjieh | b112889 | 2014-07-16 21:11:12 +0300 | [diff] [blame] | 2982 | spin_unlock_bh(&mvm->time_event_lock); |
| 2983 | |
| 2984 | /* |
| 2985 | * Use a notification wait, which really just processes the |
| 2986 | * command response and doesn't wait for anything, in order |
| 2987 | * to be able to process the response and get the UID inside |
| 2988 | * the RX path. Using CMD_WANT_SKB doesn't work because it |
| 2989 | * stores the buffer and then wakes up this thread, by which |
| 2990 | * time another notification (that the time event started) |
| 2991 | * might already be processed unsuccessfully. |
| 2992 | */ |
| 2993 | iwl_init_notification_wait(&mvm->notif_wait, &wait_time_event, |
| 2994 | time_event_response, |
| 2995 | ARRAY_SIZE(time_event_response), |
| 2996 | iwl_mvm_rx_aux_roc, te_data); |
| 2997 | |
| 2998 | res = iwl_mvm_send_cmd_pdu(mvm, HOT_SPOT_CMD, 0, sizeof(aux_roc_req), |
| 2999 | &aux_roc_req); |
| 3000 | |
| 3001 | if (res) { |
| 3002 | IWL_ERR(mvm, "Couldn't send HOT_SPOT_CMD: %d\n", res); |
| 3003 | iwl_remove_notification(&mvm->notif_wait, &wait_time_event); |
| 3004 | goto out_clear_te; |
| 3005 | } |
| 3006 | |
| 3007 | /* No need to wait for anything, so just pass 1 (0 isn't valid) */ |
| 3008 | res = iwl_wait_notification(&mvm->notif_wait, &wait_time_event, 1); |
| 3009 | /* should never fail */ |
| 3010 | WARN_ON_ONCE(res); |
| 3011 | |
| 3012 | if (res) { |
| 3013 | out_clear_te: |
| 3014 | spin_lock_bh(&mvm->time_event_lock); |
| 3015 | iwl_mvm_te_clear_data(mvm, te_data); |
| 3016 | spin_unlock_bh(&mvm->time_event_lock); |
| 3017 | } |
| 3018 | |
| 3019 | return res; |
| 3020 | } |
| 3021 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 3022 | static int iwl_mvm_roc(struct ieee80211_hw *hw, |
| 3023 | struct ieee80211_vif *vif, |
| 3024 | struct ieee80211_channel *channel, |
Ilan Peer | d339d5c | 2013-02-12 09:34:13 +0200 | [diff] [blame] | 3025 | int duration, |
| 3026 | enum ieee80211_roc_type type) |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 3027 | { |
| 3028 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); |
Ilan Peer | fe0f2de | 2013-03-21 10:23:52 +0200 | [diff] [blame] | 3029 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 3030 | struct cfg80211_chan_def chandef; |
Ilan Peer | 31d385a | 2013-04-02 10:25:46 +0300 | [diff] [blame] | 3031 | struct iwl_mvm_phy_ctxt *phy_ctxt; |
| 3032 | int ret, i; |
| 3033 | |
| 3034 | IWL_DEBUG_MAC80211(mvm, "enter (%d, %d, %d)\n", channel->hw_value, |
| 3035 | duration, type); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 3036 | |
Matti Gottlieb | 6ed1316 | 2015-03-30 16:50:07 +0300 | [diff] [blame] | 3037 | flush_work(&mvm->roc_done_wk); |
| 3038 | |
Matti Gottlieb | a6cc516 | 2014-09-29 11:46:04 +0300 | [diff] [blame] | 3039 | mutex_lock(&mvm->mutex); |
| 3040 | |
Ariej Marjieh | b112889 | 2014-07-16 21:11:12 +0300 | [diff] [blame] | 3041 | switch (vif->type) { |
| 3042 | case NL80211_IFTYPE_STATION: |
Luciano Coelho | 5ac6c72 | 2014-10-21 16:12:18 +0300 | [diff] [blame] | 3043 | if (mvm->fw->ucode_capa.capa[0] & |
| 3044 | IWL_UCODE_TLV_CAPA_HOTSPOT_SUPPORT) { |
| 3045 | /* Use aux roc framework (HS20) */ |
| 3046 | ret = iwl_mvm_send_aux_roc_cmd(mvm, channel, |
| 3047 | vif, duration); |
| 3048 | goto out_unlock; |
| 3049 | } |
| 3050 | IWL_ERR(mvm, "hotspot not supported\n"); |
| 3051 | ret = -EINVAL; |
Matti Gottlieb | a6cc516 | 2014-09-29 11:46:04 +0300 | [diff] [blame] | 3052 | goto out_unlock; |
Ariej Marjieh | b112889 | 2014-07-16 21:11:12 +0300 | [diff] [blame] | 3053 | case NL80211_IFTYPE_P2P_DEVICE: |
| 3054 | /* handle below */ |
| 3055 | break; |
| 3056 | default: |
| 3057 | IWL_ERR(mvm, "vif isn't P2P_DEVICE: %d\n", vif->type); |
Matti Gottlieb | a6cc516 | 2014-09-29 11:46:04 +0300 | [diff] [blame] | 3058 | ret = -EINVAL; |
| 3059 | goto out_unlock; |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 3060 | } |
| 3061 | |
Ilan Peer | 31d385a | 2013-04-02 10:25:46 +0300 | [diff] [blame] | 3062 | for (i = 0; i < NUM_PHY_CTX; i++) { |
| 3063 | phy_ctxt = &mvm->phy_ctxts[i]; |
| 3064 | if (phy_ctxt->ref == 0 || mvmvif->phy_ctxt == phy_ctxt) |
| 3065 | continue; |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 3066 | |
Ilan Peer | 31d385a | 2013-04-02 10:25:46 +0300 | [diff] [blame] | 3067 | if (phy_ctxt->ref && channel == phy_ctxt->channel) { |
| 3068 | /* |
| 3069 | * Unbind the P2P_DEVICE from the current PHY context, |
| 3070 | * and if the PHY context is not used remove it. |
| 3071 | */ |
| 3072 | ret = iwl_mvm_binding_remove_vif(mvm, vif); |
| 3073 | if (WARN(ret, "Failed unbinding P2P_DEVICE\n")) |
| 3074 | goto out_unlock; |
| 3075 | |
| 3076 | iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt); |
| 3077 | |
| 3078 | /* Bind the P2P_DEVICE to the current PHY Context */ |
| 3079 | mvmvif->phy_ctxt = phy_ctxt; |
| 3080 | |
| 3081 | ret = iwl_mvm_binding_add_vif(mvm, vif); |
| 3082 | if (WARN(ret, "Failed binding P2P_DEVICE\n")) |
| 3083 | goto out_unlock; |
| 3084 | |
| 3085 | iwl_mvm_phy_ctxt_ref(mvm, mvmvif->phy_ctxt); |
| 3086 | goto schedule_time_event; |
| 3087 | } |
| 3088 | } |
| 3089 | |
| 3090 | /* Need to update the PHY context only if the ROC channel changed */ |
| 3091 | if (channel == mvmvif->phy_ctxt->channel) |
| 3092 | goto schedule_time_event; |
| 3093 | |
| 3094 | cfg80211_chandef_create(&chandef, channel, NL80211_CHAN_NO_HT); |
| 3095 | |
| 3096 | /* |
| 3097 | * Change the PHY context configuration as it is currently referenced |
| 3098 | * only by the P2P Device MAC |
| 3099 | */ |
| 3100 | if (mvmvif->phy_ctxt->ref == 1) { |
| 3101 | ret = iwl_mvm_phy_ctxt_changed(mvm, mvmvif->phy_ctxt, |
| 3102 | &chandef, 1, 1); |
| 3103 | if (ret) |
| 3104 | goto out_unlock; |
| 3105 | } else { |
| 3106 | /* |
| 3107 | * The PHY context is shared with other MACs. Need to remove the |
| 3108 | * P2P Device from the binding, allocate an new PHY context and |
| 3109 | * create a new binding |
| 3110 | */ |
| 3111 | phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm); |
| 3112 | if (!phy_ctxt) { |
| 3113 | ret = -ENOSPC; |
| 3114 | goto out_unlock; |
| 3115 | } |
| 3116 | |
| 3117 | ret = iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, &chandef, |
| 3118 | 1, 1); |
| 3119 | if (ret) { |
| 3120 | IWL_ERR(mvm, "Failed to change PHY context\n"); |
| 3121 | goto out_unlock; |
| 3122 | } |
| 3123 | |
| 3124 | /* Unbind the P2P_DEVICE from the current PHY context */ |
| 3125 | ret = iwl_mvm_binding_remove_vif(mvm, vif); |
| 3126 | if (WARN(ret, "Failed unbinding P2P_DEVICE\n")) |
| 3127 | goto out_unlock; |
| 3128 | |
| 3129 | iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt); |
| 3130 | |
| 3131 | /* Bind the P2P_DEVICE to the new allocated PHY context */ |
| 3132 | mvmvif->phy_ctxt = phy_ctxt; |
| 3133 | |
| 3134 | ret = iwl_mvm_binding_add_vif(mvm, vif); |
| 3135 | if (WARN(ret, "Failed binding P2P_DEVICE\n")) |
| 3136 | goto out_unlock; |
| 3137 | |
| 3138 | iwl_mvm_phy_ctxt_ref(mvm, mvmvif->phy_ctxt); |
| 3139 | } |
| 3140 | |
| 3141 | schedule_time_event: |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 3142 | /* Schedule the time events */ |
Ilan Peer | e635c79 | 2013-02-13 11:05:18 +0200 | [diff] [blame] | 3143 | ret = iwl_mvm_start_p2p_roc(mvm, vif, duration, type); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 3144 | |
Ilan Peer | 31d385a | 2013-04-02 10:25:46 +0300 | [diff] [blame] | 3145 | out_unlock: |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 3146 | mutex_unlock(&mvm->mutex); |
| 3147 | IWL_DEBUG_MAC80211(mvm, "leave\n"); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 3148 | return ret; |
| 3149 | } |
| 3150 | |
| 3151 | static int iwl_mvm_cancel_roc(struct ieee80211_hw *hw) |
| 3152 | { |
| 3153 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); |
| 3154 | |
| 3155 | IWL_DEBUG_MAC80211(mvm, "enter\n"); |
| 3156 | |
| 3157 | mutex_lock(&mvm->mutex); |
Matti Gottlieb | bf5da87 | 2014-11-16 10:25:12 +0200 | [diff] [blame] | 3158 | iwl_mvm_stop_roc(mvm); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 3159 | mutex_unlock(&mvm->mutex); |
| 3160 | |
| 3161 | IWL_DEBUG_MAC80211(mvm, "leave\n"); |
| 3162 | return 0; |
| 3163 | } |
| 3164 | |
Luciano Coelho | b08c1d9 | 2014-05-20 23:31:05 +0300 | [diff] [blame] | 3165 | static int __iwl_mvm_add_chanctx(struct iwl_mvm *mvm, |
| 3166 | struct ieee80211_chanctx_conf *ctx) |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 3167 | { |
Ilan Peer | fe0f2de | 2013-03-21 10:23:52 +0200 | [diff] [blame] | 3168 | u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; |
| 3169 | struct iwl_mvm_phy_ctxt *phy_ctxt; |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 3170 | int ret; |
| 3171 | |
Luciano Coelho | b08c1d9 | 2014-05-20 23:31:05 +0300 | [diff] [blame] | 3172 | lockdep_assert_held(&mvm->mutex); |
| 3173 | |
Ilan Peer | 53a9d61 | 2013-04-28 11:55:08 +0300 | [diff] [blame] | 3174 | IWL_DEBUG_MAC80211(mvm, "Add channel context\n"); |
Ilan Peer | fe0f2de | 2013-03-21 10:23:52 +0200 | [diff] [blame] | 3175 | |
Ilan Peer | fe0f2de | 2013-03-21 10:23:52 +0200 | [diff] [blame] | 3176 | phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm); |
| 3177 | if (!phy_ctxt) { |
| 3178 | ret = -ENOSPC; |
| 3179 | goto out; |
| 3180 | } |
| 3181 | |
Eliad Peller | dcbc3e1 | 2013-10-31 14:31:25 +0200 | [diff] [blame] | 3182 | ret = iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, &ctx->min_def, |
Ilan Peer | 53a9d61 | 2013-04-28 11:55:08 +0300 | [diff] [blame] | 3183 | ctx->rx_chains_static, |
| 3184 | ctx->rx_chains_dynamic); |
Ilan Peer | fe0f2de | 2013-03-21 10:23:52 +0200 | [diff] [blame] | 3185 | if (ret) { |
| 3186 | IWL_ERR(mvm, "Failed to add PHY context\n"); |
| 3187 | goto out; |
| 3188 | } |
| 3189 | |
Ilan Peer | 53a9d61 | 2013-04-28 11:55:08 +0300 | [diff] [blame] | 3190 | iwl_mvm_phy_ctxt_ref(mvm, phy_ctxt); |
Ilan Peer | fe0f2de | 2013-03-21 10:23:52 +0200 | [diff] [blame] | 3191 | *phy_ctxt_id = phy_ctxt->id; |
| 3192 | out: |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 3193 | return ret; |
| 3194 | } |
| 3195 | |
Luciano Coelho | b08c1d9 | 2014-05-20 23:31:05 +0300 | [diff] [blame] | 3196 | static int iwl_mvm_add_chanctx(struct ieee80211_hw *hw, |
| 3197 | struct ieee80211_chanctx_conf *ctx) |
| 3198 | { |
| 3199 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); |
| 3200 | int ret; |
| 3201 | |
| 3202 | mutex_lock(&mvm->mutex); |
| 3203 | ret = __iwl_mvm_add_chanctx(mvm, ctx); |
| 3204 | mutex_unlock(&mvm->mutex); |
| 3205 | |
| 3206 | return ret; |
| 3207 | } |
| 3208 | |
| 3209 | static void __iwl_mvm_remove_chanctx(struct iwl_mvm *mvm, |
| 3210 | struct ieee80211_chanctx_conf *ctx) |
| 3211 | { |
| 3212 | u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; |
| 3213 | struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id]; |
| 3214 | |
| 3215 | lockdep_assert_held(&mvm->mutex); |
| 3216 | |
| 3217 | iwl_mvm_phy_ctxt_unref(mvm, phy_ctxt); |
| 3218 | } |
| 3219 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 3220 | static void iwl_mvm_remove_chanctx(struct ieee80211_hw *hw, |
| 3221 | struct ieee80211_chanctx_conf *ctx) |
| 3222 | { |
| 3223 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 3224 | |
| 3225 | mutex_lock(&mvm->mutex); |
Luciano Coelho | b08c1d9 | 2014-05-20 23:31:05 +0300 | [diff] [blame] | 3226 | __iwl_mvm_remove_chanctx(mvm, ctx); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 3227 | mutex_unlock(&mvm->mutex); |
| 3228 | } |
| 3229 | |
| 3230 | static void iwl_mvm_change_chanctx(struct ieee80211_hw *hw, |
| 3231 | struct ieee80211_chanctx_conf *ctx, |
| 3232 | u32 changed) |
| 3233 | { |
| 3234 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); |
Ilan Peer | fe0f2de | 2013-03-21 10:23:52 +0200 | [diff] [blame] | 3235 | u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; |
| 3236 | 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] | 3237 | |
Ilan Peer | 31d385a | 2013-04-02 10:25:46 +0300 | [diff] [blame] | 3238 | if (WARN_ONCE((phy_ctxt->ref > 1) && |
| 3239 | (changed & ~(IEEE80211_CHANCTX_CHANGE_WIDTH | |
| 3240 | IEEE80211_CHANCTX_CHANGE_RX_CHAINS | |
Arik Nemtsov | 2dceeda | 2013-12-29 17:57:53 +0200 | [diff] [blame] | 3241 | IEEE80211_CHANCTX_CHANGE_RADAR | |
| 3242 | IEEE80211_CHANCTX_CHANGE_MIN_WIDTH)), |
Ilan Peer | 31d385a | 2013-04-02 10:25:46 +0300 | [diff] [blame] | 3243 | "Cannot change PHY. Ref=%d, changed=0x%X\n", |
| 3244 | phy_ctxt->ref, changed)) |
| 3245 | return; |
| 3246 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 3247 | mutex_lock(&mvm->mutex); |
Emmanuel Grumbach | 4d66449 | 2014-04-30 18:09:59 +0300 | [diff] [blame] | 3248 | iwl_mvm_bt_coex_vif_change(mvm); |
Eliad Peller | dcbc3e1 | 2013-10-31 14:31:25 +0200 | [diff] [blame] | 3249 | iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, &ctx->min_def, |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 3250 | ctx->rx_chains_static, |
| 3251 | ctx->rx_chains_dynamic); |
| 3252 | mutex_unlock(&mvm->mutex); |
| 3253 | } |
| 3254 | |
Luciano Coelho | b08c1d9 | 2014-05-20 23:31:05 +0300 | [diff] [blame] | 3255 | static int __iwl_mvm_assign_vif_chanctx(struct iwl_mvm *mvm, |
| 3256 | struct ieee80211_vif *vif, |
Luciano Coelho | f0c9778 | 2014-03-05 15:41:48 +0200 | [diff] [blame] | 3257 | struct ieee80211_chanctx_conf *ctx, |
| 3258 | bool switching_chanctx) |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 3259 | { |
Ilan Peer | fe0f2de | 2013-03-21 10:23:52 +0200 | [diff] [blame] | 3260 | u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; |
| 3261 | 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] | 3262 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); |
| 3263 | int ret; |
| 3264 | |
Luciano Coelho | b08c1d9 | 2014-05-20 23:31:05 +0300 | [diff] [blame] | 3265 | lockdep_assert_held(&mvm->mutex); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 3266 | |
Ilan Peer | fe0f2de | 2013-03-21 10:23:52 +0200 | [diff] [blame] | 3267 | mvmvif->phy_ctxt = phy_ctxt; |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 3268 | |
| 3269 | switch (vif->type) { |
| 3270 | case NL80211_IFTYPE_AP: |
Luciano Coelho | 4741dd0 | 2014-11-10 11:10:13 +0200 | [diff] [blame] | 3271 | /* only needed if we're switching chanctx (i.e. during CSA) */ |
| 3272 | if (switching_chanctx) { |
Andrei Otcheretianski | bd3398e | 2013-10-22 05:01:12 +0200 | [diff] [blame] | 3273 | mvmvif->ap_ibss_active = true; |
| 3274 | break; |
| 3275 | } |
Johannes Berg | 5023d96 | 2013-07-31 14:07:43 +0200 | [diff] [blame] | 3276 | case NL80211_IFTYPE_ADHOC: |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 3277 | /* |
| 3278 | * 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] | 3279 | * (in bss_info_changed), similarly for IBSS. |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 3280 | */ |
| 3281 | ret = 0; |
Luciano Coelho | b08c1d9 | 2014-05-20 23:31:05 +0300 | [diff] [blame] | 3282 | goto out; |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 3283 | case NL80211_IFTYPE_STATION: |
Luciano Coelho | 2533edc | 2014-08-08 19:50:46 +0300 | [diff] [blame] | 3284 | break; |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 3285 | case NL80211_IFTYPE_MONITOR: |
Luciano Coelho | 2533edc | 2014-08-08 19:50:46 +0300 | [diff] [blame] | 3286 | /* always disable PS when a monitor interface is active */ |
| 3287 | mvmvif->ps_disabled = true; |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 3288 | break; |
| 3289 | default: |
| 3290 | ret = -EINVAL; |
Luciano Coelho | b08c1d9 | 2014-05-20 23:31:05 +0300 | [diff] [blame] | 3291 | goto out; |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 3292 | } |
| 3293 | |
| 3294 | ret = iwl_mvm_binding_add_vif(mvm, vif); |
| 3295 | if (ret) |
Luciano Coelho | b08c1d9 | 2014-05-20 23:31:05 +0300 | [diff] [blame] | 3296 | goto out; |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 3297 | |
| 3298 | /* |
Alexander Bondar | 92d8556 | 2013-10-23 11:50:34 +0200 | [diff] [blame] | 3299 | * Power state must be updated before quotas, |
| 3300 | * otherwise fw will complain. |
| 3301 | */ |
Arik Nemtsov | 999609f | 2014-05-15 17:31:51 +0300 | [diff] [blame] | 3302 | iwl_mvm_power_update_mac(mvm); |
Alexander Bondar | 92d8556 | 2013-10-23 11:50:34 +0200 | [diff] [blame] | 3303 | |
| 3304 | /* Setting the quota at this stage is only required for monitor |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 3305 | * interfaces. For the other types, the bss_info changed flow |
| 3306 | * will handle quota settings. |
| 3307 | */ |
| 3308 | if (vif->type == NL80211_IFTYPE_MONITOR) { |
Ilan Peer | 1e1391c | 2013-03-13 14:52:04 +0200 | [diff] [blame] | 3309 | mvmvif->monitor_active = true; |
Emmanuel Grumbach | 7754ae7 | 2015-02-26 15:14:35 +0200 | [diff] [blame] | 3310 | ret = iwl_mvm_update_quotas(mvm, false, NULL); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 3311 | if (ret) |
| 3312 | goto out_remove_binding; |
| 3313 | } |
| 3314 | |
Andrei Otcheretianski | bd3398e | 2013-10-22 05:01:12 +0200 | [diff] [blame] | 3315 | /* Handle binding during CSA */ |
Luciano Coelho | a57c688 | 2014-11-10 11:10:16 +0200 | [diff] [blame] | 3316 | if (vif->type == NL80211_IFTYPE_AP) { |
Emmanuel Grumbach | 7754ae7 | 2015-02-26 15:14:35 +0200 | [diff] [blame] | 3317 | iwl_mvm_update_quotas(mvm, false, NULL); |
Johannes Berg | 3dfd3a9 | 2014-08-11 21:37:30 +0200 | [diff] [blame] | 3318 | iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); |
Andrei Otcheretianski | bd3398e | 2013-10-22 05:01:12 +0200 | [diff] [blame] | 3319 | } |
| 3320 | |
Luciano Coelho | 4741dd0 | 2014-11-10 11:10:13 +0200 | [diff] [blame] | 3321 | if (switching_chanctx && vif->type == NL80211_IFTYPE_STATION) { |
Luciano Coelho | 686e7fe | 2014-11-10 11:10:21 +0200 | [diff] [blame] | 3322 | u32 duration = 2 * vif->bss_conf.beacon_int; |
| 3323 | |
| 3324 | /* iwl_mvm_protect_session() reads directly from the |
| 3325 | * device (the system time), so make sure it is |
| 3326 | * available. |
| 3327 | */ |
| 3328 | ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PROTECT_CSA); |
| 3329 | if (ret) |
| 3330 | goto out_remove_binding; |
| 3331 | |
| 3332 | /* Protect the session to make sure we hear the first |
| 3333 | * beacon on the new channel. |
| 3334 | */ |
| 3335 | iwl_mvm_protect_session(mvm, vif, duration, duration, |
| 3336 | vif->bss_conf.beacon_int / 2, |
| 3337 | true); |
| 3338 | |
| 3339 | iwl_mvm_unref(mvm, IWL_MVM_REF_PROTECT_CSA); |
| 3340 | |
Emmanuel Grumbach | 7754ae7 | 2015-02-26 15:14:35 +0200 | [diff] [blame] | 3341 | iwl_mvm_update_quotas(mvm, false, NULL); |
Luciano Coelho | 0ce04ce | 2014-05-08 16:03:39 +0300 | [diff] [blame] | 3342 | } |
| 3343 | |
Luciano Coelho | b08c1d9 | 2014-05-20 23:31:05 +0300 | [diff] [blame] | 3344 | goto out; |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 3345 | |
Luciano Coelho | b08c1d9 | 2014-05-20 23:31:05 +0300 | [diff] [blame] | 3346 | out_remove_binding: |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 3347 | iwl_mvm_binding_remove_vif(mvm, vif); |
Arik Nemtsov | 999609f | 2014-05-15 17:31:51 +0300 | [diff] [blame] | 3348 | iwl_mvm_power_update_mac(mvm); |
Luciano Coelho | b08c1d9 | 2014-05-20 23:31:05 +0300 | [diff] [blame] | 3349 | out: |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 3350 | if (ret) |
| 3351 | mvmvif->phy_ctxt = NULL; |
| 3352 | return ret; |
| 3353 | } |
Luciano Coelho | b08c1d9 | 2014-05-20 23:31:05 +0300 | [diff] [blame] | 3354 | static int iwl_mvm_assign_vif_chanctx(struct ieee80211_hw *hw, |
| 3355 | struct ieee80211_vif *vif, |
| 3356 | struct ieee80211_chanctx_conf *ctx) |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 3357 | { |
| 3358 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); |
Luciano Coelho | b08c1d9 | 2014-05-20 23:31:05 +0300 | [diff] [blame] | 3359 | int ret; |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 3360 | |
| 3361 | mutex_lock(&mvm->mutex); |
Luciano Coelho | f0c9778 | 2014-03-05 15:41:48 +0200 | [diff] [blame] | 3362 | ret = __iwl_mvm_assign_vif_chanctx(mvm, vif, ctx, false); |
Luciano Coelho | b08c1d9 | 2014-05-20 23:31:05 +0300 | [diff] [blame] | 3363 | mutex_unlock(&mvm->mutex); |
| 3364 | |
| 3365 | return ret; |
| 3366 | } |
| 3367 | |
| 3368 | static void __iwl_mvm_unassign_vif_chanctx(struct iwl_mvm *mvm, |
| 3369 | struct ieee80211_vif *vif, |
Luciano Coelho | f0c9778 | 2014-03-05 15:41:48 +0200 | [diff] [blame] | 3370 | struct ieee80211_chanctx_conf *ctx, |
| 3371 | bool switching_chanctx) |
Luciano Coelho | b08c1d9 | 2014-05-20 23:31:05 +0300 | [diff] [blame] | 3372 | { |
| 3373 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); |
Luciano Coelho | f0c9778 | 2014-03-05 15:41:48 +0200 | [diff] [blame] | 3374 | struct ieee80211_vif *disabled_vif = NULL; |
Luciano Coelho | b08c1d9 | 2014-05-20 23:31:05 +0300 | [diff] [blame] | 3375 | |
| 3376 | lockdep_assert_held(&mvm->mutex); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 3377 | |
| 3378 | iwl_mvm_remove_time_event(mvm, mvmvif, &mvmvif->time_event_data); |
| 3379 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 3380 | switch (vif->type) { |
Johannes Berg | 5023d96 | 2013-07-31 14:07:43 +0200 | [diff] [blame] | 3381 | case NL80211_IFTYPE_ADHOC: |
Luciano Coelho | b08c1d9 | 2014-05-20 23:31:05 +0300 | [diff] [blame] | 3382 | goto out; |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 3383 | case NL80211_IFTYPE_MONITOR: |
Ilan Peer | 1e1391c | 2013-03-13 14:52:04 +0200 | [diff] [blame] | 3384 | mvmvif->monitor_active = false; |
Luciano Coelho | 2533edc | 2014-08-08 19:50:46 +0300 | [diff] [blame] | 3385 | mvmvif->ps_disabled = false; |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 3386 | break; |
Andrei Otcheretianski | bd3398e | 2013-10-22 05:01:12 +0200 | [diff] [blame] | 3387 | case NL80211_IFTYPE_AP: |
| 3388 | /* This part is triggered only during CSA */ |
Luciano Coelho | 4741dd0 | 2014-11-10 11:10:13 +0200 | [diff] [blame] | 3389 | if (!switching_chanctx || !mvmvif->ap_ibss_active) |
Luciano Coelho | b08c1d9 | 2014-05-20 23:31:05 +0300 | [diff] [blame] | 3390 | goto out; |
Andrei Otcheretianski | bd3398e | 2013-10-22 05:01:12 +0200 | [diff] [blame] | 3391 | |
Andrei Otcheretianski | 7ef0aab | 2014-11-10 11:10:11 +0200 | [diff] [blame] | 3392 | mvmvif->csa_countdown = false; |
| 3393 | |
Andrei Otcheretianski | 003e5236 | 2014-05-25 17:24:22 +0300 | [diff] [blame] | 3394 | /* Set CS bit on all the stations */ |
| 3395 | iwl_mvm_modify_all_sta_disable_tx(mvm, mvmvif, true); |
| 3396 | |
| 3397 | /* Save blocked iface, the timeout is set on the next beacon */ |
| 3398 | rcu_assign_pointer(mvm->csa_tx_blocked_vif, vif); |
| 3399 | |
Andrei Otcheretianski | bd3398e | 2013-10-22 05:01:12 +0200 | [diff] [blame] | 3400 | mvmvif->ap_ibss_active = false; |
Luciano Coelho | f0c9778 | 2014-03-05 15:41:48 +0200 | [diff] [blame] | 3401 | break; |
| 3402 | case NL80211_IFTYPE_STATION: |
| 3403 | if (!switching_chanctx) |
| 3404 | break; |
| 3405 | |
| 3406 | disabled_vif = vif; |
| 3407 | |
Johannes Berg | 3dfd3a9 | 2014-08-11 21:37:30 +0200 | [diff] [blame] | 3408 | iwl_mvm_mac_ctxt_changed(mvm, vif, true, NULL); |
Luciano Coelho | f0c9778 | 2014-03-05 15:41:48 +0200 | [diff] [blame] | 3409 | break; |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 3410 | default: |
| 3411 | break; |
| 3412 | } |
| 3413 | |
Emmanuel Grumbach | 7754ae7 | 2015-02-26 15:14:35 +0200 | [diff] [blame] | 3414 | iwl_mvm_update_quotas(mvm, false, disabled_vif); |
Ilan Peer | 1e1391c | 2013-03-13 14:52:04 +0200 | [diff] [blame] | 3415 | iwl_mvm_binding_remove_vif(mvm, vif); |
Alexander Bondar | 1c2abf7 | 2013-08-27 20:31:48 +0300 | [diff] [blame] | 3416 | |
Luciano Coelho | b08c1d9 | 2014-05-20 23:31:05 +0300 | [diff] [blame] | 3417 | out: |
Ilan Peer | a11e144 | 2013-12-31 21:19:55 +0200 | [diff] [blame] | 3418 | mvmvif->phy_ctxt = NULL; |
Arik Nemtsov | 999609f | 2014-05-15 17:31:51 +0300 | [diff] [blame] | 3419 | iwl_mvm_power_update_mac(mvm); |
Luciano Coelho | b08c1d9 | 2014-05-20 23:31:05 +0300 | [diff] [blame] | 3420 | } |
| 3421 | |
| 3422 | static void iwl_mvm_unassign_vif_chanctx(struct ieee80211_hw *hw, |
| 3423 | struct ieee80211_vif *vif, |
| 3424 | struct ieee80211_chanctx_conf *ctx) |
| 3425 | { |
| 3426 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); |
| 3427 | |
| 3428 | mutex_lock(&mvm->mutex); |
Luciano Coelho | f0c9778 | 2014-03-05 15:41:48 +0200 | [diff] [blame] | 3429 | __iwl_mvm_unassign_vif_chanctx(mvm, vif, ctx, false); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 3430 | mutex_unlock(&mvm->mutex); |
| 3431 | } |
| 3432 | |
Luciano Coelho | 50cc957 | 2014-11-10 11:10:08 +0200 | [diff] [blame] | 3433 | static int |
| 3434 | iwl_mvm_switch_vif_chanctx_swap(struct iwl_mvm *mvm, |
| 3435 | struct ieee80211_vif_chanctx_switch *vifs) |
Luciano Coelho | b08c1d9 | 2014-05-20 23:31:05 +0300 | [diff] [blame] | 3436 | { |
Luciano Coelho | b08c1d9 | 2014-05-20 23:31:05 +0300 | [diff] [blame] | 3437 | int ret; |
| 3438 | |
Luciano Coelho | b08c1d9 | 2014-05-20 23:31:05 +0300 | [diff] [blame] | 3439 | mutex_lock(&mvm->mutex); |
Luciano Coelho | f0c9778 | 2014-03-05 15:41:48 +0200 | [diff] [blame] | 3440 | __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] | 3441 | __iwl_mvm_remove_chanctx(mvm, vifs[0].old_ctx); |
| 3442 | |
| 3443 | ret = __iwl_mvm_add_chanctx(mvm, vifs[0].new_ctx); |
| 3444 | if (ret) { |
| 3445 | IWL_ERR(mvm, "failed to add new_ctx during channel switch\n"); |
| 3446 | goto out_reassign; |
| 3447 | } |
| 3448 | |
Luciano Coelho | f0c9778 | 2014-03-05 15:41:48 +0200 | [diff] [blame] | 3449 | ret = __iwl_mvm_assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].new_ctx, |
| 3450 | true); |
Luciano Coelho | b08c1d9 | 2014-05-20 23:31:05 +0300 | [diff] [blame] | 3451 | if (ret) { |
| 3452 | IWL_ERR(mvm, |
| 3453 | "failed to assign new_ctx during channel switch\n"); |
| 3454 | goto out_remove; |
| 3455 | } |
| 3456 | |
Arik Nemtsov | f697267 | 2014-06-15 16:03:55 +0300 | [diff] [blame] | 3457 | /* we don't support TDLS during DCM - can be caused by channel switch */ |
| 3458 | if (iwl_mvm_phy_ctx_count(mvm) > 1) |
| 3459 | iwl_mvm_teardown_tdls_peers(mvm); |
| 3460 | |
Luciano Coelho | b08c1d9 | 2014-05-20 23:31:05 +0300 | [diff] [blame] | 3461 | goto out; |
| 3462 | |
| 3463 | out_remove: |
| 3464 | __iwl_mvm_remove_chanctx(mvm, vifs[0].new_ctx); |
| 3465 | |
| 3466 | out_reassign: |
Luciano Coelho | 6fd1fb6 | 2014-11-10 11:10:10 +0200 | [diff] [blame] | 3467 | if (__iwl_mvm_add_chanctx(mvm, vifs[0].old_ctx)) { |
Luciano Coelho | b08c1d9 | 2014-05-20 23:31:05 +0300 | [diff] [blame] | 3468 | IWL_ERR(mvm, "failed to add old_ctx back after failure.\n"); |
| 3469 | goto out_restart; |
| 3470 | } |
| 3471 | |
Luciano Coelho | 6fd1fb6 | 2014-11-10 11:10:10 +0200 | [diff] [blame] | 3472 | if (__iwl_mvm_assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx, |
| 3473 | true)) { |
Luciano Coelho | b08c1d9 | 2014-05-20 23:31:05 +0300 | [diff] [blame] | 3474 | IWL_ERR(mvm, "failed to reassign old_ctx after failure.\n"); |
| 3475 | goto out_restart; |
| 3476 | } |
| 3477 | |
| 3478 | goto out; |
| 3479 | |
| 3480 | out_restart: |
| 3481 | /* things keep failing, better restart the hw */ |
| 3482 | iwl_mvm_nic_restart(mvm, false); |
| 3483 | |
| 3484 | out: |
| 3485 | mutex_unlock(&mvm->mutex); |
Luciano Coelho | 50cc957 | 2014-11-10 11:10:08 +0200 | [diff] [blame] | 3486 | |
| 3487 | return ret; |
| 3488 | } |
| 3489 | |
Luciano Coelho | 48a256e | 2014-11-10 11:10:09 +0200 | [diff] [blame] | 3490 | static int |
| 3491 | iwl_mvm_switch_vif_chanctx_reassign(struct iwl_mvm *mvm, |
| 3492 | struct ieee80211_vif_chanctx_switch *vifs) |
| 3493 | { |
| 3494 | int ret; |
| 3495 | |
| 3496 | mutex_lock(&mvm->mutex); |
| 3497 | __iwl_mvm_unassign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx, true); |
| 3498 | |
| 3499 | ret = __iwl_mvm_assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].new_ctx, |
| 3500 | true); |
| 3501 | if (ret) { |
| 3502 | IWL_ERR(mvm, |
| 3503 | "failed to assign new_ctx during channel switch\n"); |
| 3504 | goto out_reassign; |
| 3505 | } |
| 3506 | |
| 3507 | goto out; |
| 3508 | |
| 3509 | out_reassign: |
| 3510 | if (__iwl_mvm_assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx, |
| 3511 | true)) { |
| 3512 | IWL_ERR(mvm, "failed to reassign old_ctx after failure.\n"); |
| 3513 | goto out_restart; |
| 3514 | } |
| 3515 | |
| 3516 | goto out; |
| 3517 | |
| 3518 | out_restart: |
| 3519 | /* things keep failing, better restart the hw */ |
| 3520 | iwl_mvm_nic_restart(mvm, false); |
| 3521 | |
| 3522 | out: |
| 3523 | mutex_unlock(&mvm->mutex); |
| 3524 | |
| 3525 | return ret; |
| 3526 | } |
| 3527 | |
Luciano Coelho | 50cc957 | 2014-11-10 11:10:08 +0200 | [diff] [blame] | 3528 | static int iwl_mvm_switch_vif_chanctx(struct ieee80211_hw *hw, |
| 3529 | struct ieee80211_vif_chanctx_switch *vifs, |
| 3530 | int n_vifs, |
| 3531 | enum ieee80211_chanctx_switch_mode mode) |
| 3532 | { |
| 3533 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); |
| 3534 | int ret; |
| 3535 | |
| 3536 | /* we only support a single-vif right now */ |
| 3537 | if (n_vifs > 1) |
| 3538 | return -EOPNOTSUPP; |
| 3539 | |
| 3540 | switch (mode) { |
| 3541 | case CHANCTX_SWMODE_SWAP_CONTEXTS: |
| 3542 | ret = iwl_mvm_switch_vif_chanctx_swap(mvm, vifs); |
| 3543 | break; |
| 3544 | case CHANCTX_SWMODE_REASSIGN_VIF: |
Luciano Coelho | 48a256e | 2014-11-10 11:10:09 +0200 | [diff] [blame] | 3545 | ret = iwl_mvm_switch_vif_chanctx_reassign(mvm, vifs); |
Luciano Coelho | 50cc957 | 2014-11-10 11:10:08 +0200 | [diff] [blame] | 3546 | break; |
| 3547 | default: |
| 3548 | ret = -EOPNOTSUPP; |
| 3549 | break; |
| 3550 | } |
| 3551 | |
Luciano Coelho | b08c1d9 | 2014-05-20 23:31:05 +0300 | [diff] [blame] | 3552 | return ret; |
| 3553 | } |
| 3554 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 3555 | static int iwl_mvm_set_tim(struct ieee80211_hw *hw, |
| 3556 | struct ieee80211_sta *sta, |
| 3557 | bool set) |
| 3558 | { |
| 3559 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); |
Johannes Berg | 9d8ce6a | 2014-12-23 16:02:40 +0100 | [diff] [blame] | 3560 | struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 3561 | |
| 3562 | if (!mvm_sta || !mvm_sta->vif) { |
| 3563 | IWL_ERR(mvm, "Station is not associated to a vif\n"); |
| 3564 | return -EINVAL; |
| 3565 | } |
| 3566 | |
| 3567 | return iwl_mvm_mac_ctxt_beacon_changed(mvm, mvm_sta->vif); |
| 3568 | } |
| 3569 | |
David Spinadel | 507cadf | 2013-07-31 18:07:21 +0300 | [diff] [blame] | 3570 | #ifdef CONFIG_NL80211_TESTMODE |
| 3571 | static const struct nla_policy iwl_mvm_tm_policy[IWL_MVM_TM_ATTR_MAX + 1] = { |
| 3572 | [IWL_MVM_TM_ATTR_CMD] = { .type = NLA_U32 }, |
| 3573 | [IWL_MVM_TM_ATTR_NOA_DURATION] = { .type = NLA_U32 }, |
Johannes Berg | f6c6ad4 | 2013-08-01 14:17:15 +0200 | [diff] [blame] | 3574 | [IWL_MVM_TM_ATTR_BEACON_FILTER_STATE] = { .type = NLA_U32 }, |
David Spinadel | 507cadf | 2013-07-31 18:07:21 +0300 | [diff] [blame] | 3575 | }; |
| 3576 | |
| 3577 | static int __iwl_mvm_mac_testmode_cmd(struct iwl_mvm *mvm, |
| 3578 | struct ieee80211_vif *vif, |
| 3579 | void *data, int len) |
| 3580 | { |
| 3581 | struct nlattr *tb[IWL_MVM_TM_ATTR_MAX + 1]; |
| 3582 | int err; |
| 3583 | u32 noa_duration; |
| 3584 | |
| 3585 | err = nla_parse(tb, IWL_MVM_TM_ATTR_MAX, data, len, iwl_mvm_tm_policy); |
| 3586 | if (err) |
| 3587 | return err; |
| 3588 | |
| 3589 | if (!tb[IWL_MVM_TM_ATTR_CMD]) |
| 3590 | return -EINVAL; |
| 3591 | |
| 3592 | switch (nla_get_u32(tb[IWL_MVM_TM_ATTR_CMD])) { |
| 3593 | case IWL_MVM_TM_CMD_SET_NOA: |
| 3594 | if (!vif || vif->type != NL80211_IFTYPE_AP || !vif->p2p || |
| 3595 | !vif->bss_conf.enable_beacon || |
| 3596 | !tb[IWL_MVM_TM_ATTR_NOA_DURATION]) |
| 3597 | return -EINVAL; |
| 3598 | |
| 3599 | noa_duration = nla_get_u32(tb[IWL_MVM_TM_ATTR_NOA_DURATION]); |
| 3600 | if (noa_duration >= vif->bss_conf.beacon_int) |
| 3601 | return -EINVAL; |
| 3602 | |
| 3603 | mvm->noa_duration = noa_duration; |
| 3604 | mvm->noa_vif = vif; |
| 3605 | |
Emmanuel Grumbach | 7754ae7 | 2015-02-26 15:14:35 +0200 | [diff] [blame] | 3606 | return iwl_mvm_update_quotas(mvm, false, NULL); |
Johannes Berg | f6c6ad4 | 2013-08-01 14:17:15 +0200 | [diff] [blame] | 3607 | case IWL_MVM_TM_CMD_SET_BEACON_FILTER: |
| 3608 | /* must be associated client vif - ignore authorized */ |
| 3609 | if (!vif || vif->type != NL80211_IFTYPE_STATION || |
| 3610 | !vif->bss_conf.assoc || !vif->bss_conf.dtim_period || |
| 3611 | !tb[IWL_MVM_TM_ATTR_BEACON_FILTER_STATE]) |
| 3612 | return -EINVAL; |
| 3613 | |
| 3614 | if (nla_get_u32(tb[IWL_MVM_TM_ATTR_BEACON_FILTER_STATE])) |
Emmanuel Grumbach | a102292 | 2014-05-12 11:36:41 +0300 | [diff] [blame] | 3615 | return iwl_mvm_enable_beacon_filter(mvm, vif, 0); |
| 3616 | return iwl_mvm_disable_beacon_filter(mvm, vif, 0); |
David Spinadel | 507cadf | 2013-07-31 18:07:21 +0300 | [diff] [blame] | 3617 | } |
| 3618 | |
| 3619 | return -EOPNOTSUPP; |
| 3620 | } |
| 3621 | |
| 3622 | static int iwl_mvm_mac_testmode_cmd(struct ieee80211_hw *hw, |
| 3623 | struct ieee80211_vif *vif, |
| 3624 | void *data, int len) |
| 3625 | { |
| 3626 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); |
| 3627 | int err; |
| 3628 | |
| 3629 | mutex_lock(&mvm->mutex); |
| 3630 | err = __iwl_mvm_mac_testmode_cmd(mvm, vif, data, len); |
| 3631 | mutex_unlock(&mvm->mutex); |
| 3632 | |
| 3633 | return err; |
| 3634 | } |
| 3635 | #endif |
| 3636 | |
Luciano Coelho | 622e3f9 | 2014-11-10 11:10:17 +0200 | [diff] [blame] | 3637 | static void iwl_mvm_channel_switch(struct ieee80211_hw *hw, |
| 3638 | struct ieee80211_vif *vif, |
| 3639 | struct ieee80211_channel_switch *chsw) |
| 3640 | { |
| 3641 | /* By implementing this operation, we prevent mac80211 from |
| 3642 | * starting its own channel switch timer, so that we can call |
| 3643 | * ieee80211_chswitch_done() ourselves at the right time |
| 3644 | * (which is when the absence time event starts). |
| 3645 | */ |
| 3646 | |
| 3647 | IWL_DEBUG_MAC80211(IWL_MAC80211_GET_MVM(hw), |
| 3648 | "dummy channel switch op\n"); |
| 3649 | } |
| 3650 | |
Luciano Coelho | f028905 | 2014-11-10 11:10:06 +0200 | [diff] [blame] | 3651 | static int iwl_mvm_pre_channel_switch(struct ieee80211_hw *hw, |
| 3652 | struct ieee80211_vif *vif, |
| 3653 | struct ieee80211_channel_switch *chsw) |
Andrei Otcheretianski | bd3398e | 2013-10-22 05:01:12 +0200 | [diff] [blame] | 3654 | { |
| 3655 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); |
Andrei Otcheretianski | 664322f | 2014-06-05 16:40:36 +0300 | [diff] [blame] | 3656 | struct ieee80211_vif *csa_vif; |
Luciano Coelho | f6c3482 | 2014-11-10 11:10:12 +0200 | [diff] [blame] | 3657 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); |
Luciano Coelho | dc88b4b | 2014-11-10 11:10:14 +0200 | [diff] [blame] | 3658 | u32 apply_time; |
Luciano Coelho | f028905 | 2014-11-10 11:10:06 +0200 | [diff] [blame] | 3659 | int ret; |
Andrei Otcheretianski | bd3398e | 2013-10-22 05:01:12 +0200 | [diff] [blame] | 3660 | |
| 3661 | mutex_lock(&mvm->mutex); |
Andrei Otcheretianski | 664322f | 2014-06-05 16:40:36 +0300 | [diff] [blame] | 3662 | |
Johannes Berg | 81d62d5 | 2015-03-10 14:44:00 +0100 | [diff] [blame] | 3663 | mvmvif->csa_failed = false; |
| 3664 | |
Luciano Coelho | 6b20d77 | 2014-11-10 11:10:07 +0200 | [diff] [blame] | 3665 | IWL_DEBUG_MAC80211(mvm, "pre CSA to freq %d\n", |
Luciano Coelho | f028905 | 2014-11-10 11:10:06 +0200 | [diff] [blame] | 3666 | chsw->chandef.center_freq1); |
Luciano Coelho | 6b20d77 | 2014-11-10 11:10:07 +0200 | [diff] [blame] | 3667 | |
Johannes Berg | 21023b1 | 2015-03-31 08:58:16 +0200 | [diff] [blame] | 3668 | 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] | 3669 | |
Luciano Coelho | 6b20d77 | 2014-11-10 11:10:07 +0200 | [diff] [blame] | 3670 | switch (vif->type) { |
| 3671 | case NL80211_IFTYPE_AP: |
| 3672 | csa_vif = |
| 3673 | rcu_dereference_protected(mvm->csa_vif, |
| 3674 | lockdep_is_held(&mvm->mutex)); |
| 3675 | if (WARN_ONCE(csa_vif && csa_vif->csa_active, |
| 3676 | "Another CSA is already in progress")) { |
| 3677 | ret = -EBUSY; |
| 3678 | goto out_unlock; |
| 3679 | } |
| 3680 | |
| 3681 | rcu_assign_pointer(mvm->csa_vif, vif); |
Andrei Otcheretianski | 7ef0aab | 2014-11-10 11:10:11 +0200 | [diff] [blame] | 3682 | |
Andrei Otcheretianski | 7ef0aab | 2014-11-10 11:10:11 +0200 | [diff] [blame] | 3683 | if (WARN_ONCE(mvmvif->csa_countdown, |
| 3684 | "Previous CSA countdown didn't complete")) { |
| 3685 | ret = -EBUSY; |
| 3686 | goto out_unlock; |
| 3687 | } |
| 3688 | |
Luciano Coelho | 6b20d77 | 2014-11-10 11:10:07 +0200 | [diff] [blame] | 3689 | break; |
Luciano Coelho | dc88b4b | 2014-11-10 11:10:14 +0200 | [diff] [blame] | 3690 | case NL80211_IFTYPE_STATION: |
Luciano Coelho | 4500e13 | 2014-11-10 11:10:15 +0200 | [diff] [blame] | 3691 | /* Schedule the time event to a bit before beacon 1, |
| 3692 | * to make sure we're in the new channel when the |
| 3693 | * GO/AP arrives. |
| 3694 | */ |
| 3695 | apply_time = chsw->device_timestamp + |
| 3696 | ((vif->bss_conf.beacon_int * (chsw->count - 1) - |
| 3697 | IWL_MVM_CHANNEL_SWITCH_TIME_CLIENT) * 1024); |
Luciano Coelho | dc88b4b | 2014-11-10 11:10:14 +0200 | [diff] [blame] | 3698 | |
| 3699 | if (chsw->block_tx) |
| 3700 | iwl_mvm_csa_client_absent(mvm, vif); |
| 3701 | |
Luciano Coelho | 4500e13 | 2014-11-10 11:10:15 +0200 | [diff] [blame] | 3702 | iwl_mvm_schedule_csa_period(mvm, vif, vif->bss_conf.beacon_int, |
Luciano Coelho | dc88b4b | 2014-11-10 11:10:14 +0200 | [diff] [blame] | 3703 | apply_time); |
Luciano Coelho | c6e0a3e0 | 2014-11-10 11:10:18 +0200 | [diff] [blame] | 3704 | if (mvmvif->bf_data.bf_enabled) { |
| 3705 | ret = iwl_mvm_disable_beacon_filter(mvm, vif, 0); |
| 3706 | if (ret) |
| 3707 | goto out_unlock; |
| 3708 | } |
| 3709 | |
Luciano Coelho | dc88b4b | 2014-11-10 11:10:14 +0200 | [diff] [blame] | 3710 | break; |
Luciano Coelho | 6b20d77 | 2014-11-10 11:10:07 +0200 | [diff] [blame] | 3711 | default: |
| 3712 | break; |
| 3713 | } |
Andrei Otcheretianski | bd3398e | 2013-10-22 05:01:12 +0200 | [diff] [blame] | 3714 | |
Luciano Coelho | f6c3482 | 2014-11-10 11:10:12 +0200 | [diff] [blame] | 3715 | mvmvif->ps_disabled = true; |
| 3716 | |
| 3717 | ret = iwl_mvm_power_update_ps(mvm); |
| 3718 | if (ret) |
| 3719 | goto out_unlock; |
Luciano Coelho | f028905 | 2014-11-10 11:10:06 +0200 | [diff] [blame] | 3720 | |
Arik Nemtsov | e198f5e | 2014-09-14 19:13:54 +0300 | [diff] [blame] | 3721 | /* we won't be on this channel any longer */ |
| 3722 | iwl_mvm_teardown_tdls_peers(mvm); |
| 3723 | |
Andrei Otcheretianski | bd3398e | 2013-10-22 05:01:12 +0200 | [diff] [blame] | 3724 | out_unlock: |
| 3725 | mutex_unlock(&mvm->mutex); |
Luciano Coelho | f028905 | 2014-11-10 11:10:06 +0200 | [diff] [blame] | 3726 | |
| 3727 | return ret; |
Andrei Otcheretianski | bd3398e | 2013-10-22 05:01:12 +0200 | [diff] [blame] | 3728 | } |
| 3729 | |
Luciano Coelho | f6c3482 | 2014-11-10 11:10:12 +0200 | [diff] [blame] | 3730 | static int iwl_mvm_post_channel_switch(struct ieee80211_hw *hw, |
| 3731 | struct ieee80211_vif *vif) |
| 3732 | { |
| 3733 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); |
| 3734 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); |
| 3735 | int ret; |
| 3736 | |
| 3737 | mutex_lock(&mvm->mutex); |
| 3738 | |
Johannes Berg | 81d62d5 | 2015-03-10 14:44:00 +0100 | [diff] [blame] | 3739 | if (mvmvif->csa_failed) { |
| 3740 | mvmvif->csa_failed = false; |
| 3741 | ret = -EIO; |
| 3742 | goto out_unlock; |
| 3743 | } |
| 3744 | |
Luciano Coelho | a57c688 | 2014-11-10 11:10:16 +0200 | [diff] [blame] | 3745 | if (vif->type == NL80211_IFTYPE_STATION) { |
| 3746 | struct iwl_mvm_sta *mvmsta; |
| 3747 | |
| 3748 | mvmsta = iwl_mvm_sta_from_staid_protected(mvm, |
| 3749 | mvmvif->ap_sta_id); |
| 3750 | |
| 3751 | if (WARN_ON(!mvmsta)) { |
| 3752 | ret = -EIO; |
| 3753 | goto out_unlock; |
| 3754 | } |
| 3755 | |
| 3756 | iwl_mvm_sta_modify_disable_tx(mvm, mvmsta, false); |
| 3757 | |
| 3758 | iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); |
Luciano Coelho | c6e0a3e0 | 2014-11-10 11:10:18 +0200 | [diff] [blame] | 3759 | |
| 3760 | ret = iwl_mvm_enable_beacon_filter(mvm, vif, 0); |
| 3761 | if (ret) |
| 3762 | goto out_unlock; |
Luciano Coelho | 686e7fe | 2014-11-10 11:10:21 +0200 | [diff] [blame] | 3763 | |
| 3764 | iwl_mvm_stop_session_protection(mvm, vif); |
Luciano Coelho | a57c688 | 2014-11-10 11:10:16 +0200 | [diff] [blame] | 3765 | } |
| 3766 | |
Luciano Coelho | f6c3482 | 2014-11-10 11:10:12 +0200 | [diff] [blame] | 3767 | mvmvif->ps_disabled = false; |
| 3768 | |
| 3769 | ret = iwl_mvm_power_update_ps(mvm); |
| 3770 | |
Luciano Coelho | a57c688 | 2014-11-10 11:10:16 +0200 | [diff] [blame] | 3771 | out_unlock: |
Luciano Coelho | f6c3482 | 2014-11-10 11:10:12 +0200 | [diff] [blame] | 3772 | mutex_unlock(&mvm->mutex); |
| 3773 | |
| 3774 | return ret; |
| 3775 | } |
| 3776 | |
Emmanuel Grumbach | c5b0e7c | 2014-03-24 12:08:53 +0200 | [diff] [blame] | 3777 | static void iwl_mvm_mac_flush(struct ieee80211_hw *hw, |
| 3778 | struct ieee80211_vif *vif, u32 queues, bool drop) |
| 3779 | { |
| 3780 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); |
| 3781 | struct iwl_mvm_vif *mvmvif; |
| 3782 | struct iwl_mvm_sta *mvmsta; |
Arik Nemtsov | a0f6bf2 | 2014-09-21 19:10:04 +0300 | [diff] [blame] | 3783 | struct ieee80211_sta *sta; |
| 3784 | int i; |
| 3785 | u32 msk = 0; |
Emmanuel Grumbach | c5b0e7c | 2014-03-24 12:08:53 +0200 | [diff] [blame] | 3786 | |
| 3787 | if (!vif || vif->type != NL80211_IFTYPE_STATION) |
| 3788 | return; |
| 3789 | |
| 3790 | mutex_lock(&mvm->mutex); |
| 3791 | mvmvif = iwl_mvm_vif_from_mac80211(vif); |
Emmanuel Grumbach | c5b0e7c | 2014-03-24 12:08:53 +0200 | [diff] [blame] | 3792 | |
Arik Nemtsov | a0f6bf2 | 2014-09-21 19:10:04 +0300 | [diff] [blame] | 3793 | /* flush the AP-station and all TDLS peers */ |
| 3794 | for (i = 0; i < IWL_MVM_STATION_COUNT; i++) { |
| 3795 | sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i], |
| 3796 | lockdep_is_held(&mvm->mutex)); |
| 3797 | if (IS_ERR_OR_NULL(sta)) |
| 3798 | continue; |
| 3799 | |
| 3800 | mvmsta = iwl_mvm_sta_from_mac80211(sta); |
| 3801 | if (mvmsta->vif != vif) |
| 3802 | continue; |
| 3803 | |
| 3804 | /* make sure only TDLS peers or the AP are flushed */ |
| 3805 | WARN_ON(i != mvmvif->ap_sta_id && !sta->tdls); |
| 3806 | |
| 3807 | msk |= mvmsta->tfd_queue_msk; |
Johannes Berg | 480acbc | 2014-10-10 08:59:27 +0200 | [diff] [blame] | 3808 | } |
Emmanuel Grumbach | c5b0e7c | 2014-03-24 12:08:53 +0200 | [diff] [blame] | 3809 | |
Emmanuel Grumbach | 6d440b2 | 2015-01-20 09:25:19 +0200 | [diff] [blame] | 3810 | if (drop) { |
| 3811 | if (iwl_mvm_flush_tx_path(mvm, msk, true)) |
| 3812 | IWL_ERR(mvm, "flush request fail\n"); |
| 3813 | mutex_unlock(&mvm->mutex); |
| 3814 | } else { |
| 3815 | mutex_unlock(&mvm->mutex); |
Johannes Berg | 480acbc | 2014-10-10 08:59:27 +0200 | [diff] [blame] | 3816 | |
Emmanuel Grumbach | 6d440b2 | 2015-01-20 09:25:19 +0200 | [diff] [blame] | 3817 | /* this can take a while, and we may need/want other operations |
| 3818 | * to succeed while doing this, so do it without the mutex held |
| 3819 | */ |
| 3820 | iwl_trans_wait_tx_queue_empty(mvm->trans, msk); |
| 3821 | } |
Emmanuel Grumbach | c5b0e7c | 2014-03-24 12:08:53 +0200 | [diff] [blame] | 3822 | } |
| 3823 | |
Johannes Berg | 91a8bcd | 2015-01-14 18:12:41 +0100 | [diff] [blame] | 3824 | static int iwl_mvm_mac_get_survey(struct ieee80211_hw *hw, int idx, |
| 3825 | struct survey_info *survey) |
| 3826 | { |
| 3827 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); |
| 3828 | int ret; |
| 3829 | |
| 3830 | memset(survey, 0, sizeof(*survey)); |
| 3831 | |
| 3832 | /* only support global statistics right now */ |
| 3833 | if (idx != 0) |
| 3834 | return -ENOENT; |
| 3835 | |
| 3836 | if (!(mvm->fw->ucode_capa.capa[0] & |
| 3837 | IWL_UCODE_TLV_CAPA_RADIO_BEACON_STATS)) |
| 3838 | return -ENOENT; |
| 3839 | |
| 3840 | mutex_lock(&mvm->mutex); |
| 3841 | |
| 3842 | if (mvm->ucode_loaded) { |
Johannes Berg | 33cef92 | 2015-01-21 21:41:29 +0100 | [diff] [blame] | 3843 | ret = iwl_mvm_request_statistics(mvm, false); |
Johannes Berg | 91a8bcd | 2015-01-14 18:12:41 +0100 | [diff] [blame] | 3844 | if (ret) |
| 3845 | goto out; |
| 3846 | } |
| 3847 | |
| 3848 | survey->filled = SURVEY_INFO_TIME | |
| 3849 | SURVEY_INFO_TIME_RX | |
| 3850 | SURVEY_INFO_TIME_TX | |
| 3851 | SURVEY_INFO_TIME_SCAN; |
| 3852 | survey->time = mvm->accu_radio_stats.on_time_rf + |
| 3853 | mvm->radio_stats.on_time_rf; |
| 3854 | do_div(survey->time, USEC_PER_MSEC); |
| 3855 | |
| 3856 | survey->time_rx = mvm->accu_radio_stats.rx_time + |
| 3857 | mvm->radio_stats.rx_time; |
| 3858 | do_div(survey->time_rx, USEC_PER_MSEC); |
| 3859 | |
| 3860 | survey->time_tx = mvm->accu_radio_stats.tx_time + |
| 3861 | mvm->radio_stats.tx_time; |
| 3862 | do_div(survey->time_tx, USEC_PER_MSEC); |
| 3863 | |
| 3864 | survey->time_scan = mvm->accu_radio_stats.on_time_scan + |
| 3865 | mvm->radio_stats.on_time_scan; |
| 3866 | do_div(survey->time_scan, USEC_PER_MSEC); |
| 3867 | |
Johannes Berg | 10a7c028 | 2015-04-01 10:00:31 +0200 | [diff] [blame] | 3868 | ret = 0; |
Johannes Berg | 91a8bcd | 2015-01-14 18:12:41 +0100 | [diff] [blame] | 3869 | out: |
| 3870 | mutex_unlock(&mvm->mutex); |
| 3871 | return ret; |
| 3872 | } |
| 3873 | |
Johannes Berg | 33cef92 | 2015-01-21 21:41:29 +0100 | [diff] [blame] | 3874 | static void iwl_mvm_mac_sta_statistics(struct ieee80211_hw *hw, |
| 3875 | struct ieee80211_vif *vif, |
| 3876 | struct ieee80211_sta *sta, |
| 3877 | struct station_info *sinfo) |
| 3878 | { |
| 3879 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); |
| 3880 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); |
| 3881 | struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); |
| 3882 | |
| 3883 | if (!(mvm->fw->ucode_capa.capa[0] & |
| 3884 | IWL_UCODE_TLV_CAPA_RADIO_BEACON_STATS)) |
| 3885 | return; |
| 3886 | |
| 3887 | /* if beacon filtering isn't on mac80211 does it anyway */ |
| 3888 | if (!(vif->driver_flags & IEEE80211_VIF_BEACON_FILTER)) |
| 3889 | return; |
| 3890 | |
| 3891 | if (!vif->bss_conf.assoc) |
| 3892 | return; |
| 3893 | |
| 3894 | mutex_lock(&mvm->mutex); |
| 3895 | |
| 3896 | if (mvmvif->ap_sta_id != mvmsta->sta_id) |
| 3897 | goto unlock; |
| 3898 | |
| 3899 | if (iwl_mvm_request_statistics(mvm, false)) |
| 3900 | goto unlock; |
| 3901 | |
| 3902 | sinfo->rx_beacon = mvmvif->beacon_stats.num_beacons + |
| 3903 | mvmvif->beacon_stats.accu_num_beacons; |
| 3904 | sinfo->filled |= BIT(NL80211_STA_INFO_BEACON_RX); |
| 3905 | if (mvmvif->beacon_stats.avg_signal) { |
| 3906 | /* firmware only reports a value after RXing a few beacons */ |
| 3907 | sinfo->rx_beacon_signal_avg = mvmvif->beacon_stats.avg_signal; |
| 3908 | sinfo->filled |= BIT(NL80211_STA_INFO_BEACON_SIGNAL_AVG); |
| 3909 | } |
| 3910 | unlock: |
| 3911 | mutex_unlock(&mvm->mutex); |
| 3912 | } |
| 3913 | |
Emmanuel Grumbach | d42f535 | 2015-02-10 14:29:48 +0200 | [diff] [blame] | 3914 | static void iwl_mvm_mac_event_callback(struct ieee80211_hw *hw, |
| 3915 | struct ieee80211_vif *vif, |
| 3916 | const struct ieee80211_event *event) |
| 3917 | { |
Johannes Berg | 5d4f929 | 2015-03-31 09:12:54 +0200 | [diff] [blame] | 3918 | #define CHECK_MLME_TRIGGER(_mvm, _trig, _buf, _cnt, _fmt...) \ |
Emmanuel Grumbach | d42f535 | 2015-02-10 14:29:48 +0200 | [diff] [blame] | 3919 | do { \ |
| 3920 | if ((_cnt) && --(_cnt)) \ |
| 3921 | break; \ |
Johannes Berg | 5d4f929 | 2015-03-31 09:12:54 +0200 | [diff] [blame] | 3922 | iwl_mvm_fw_dbg_collect_trig(_mvm, _trig, _fmt);\ |
Emmanuel Grumbach | d42f535 | 2015-02-10 14:29:48 +0200 | [diff] [blame] | 3923 | } while (0) |
| 3924 | |
| 3925 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); |
| 3926 | struct iwl_fw_dbg_trigger_tlv *trig; |
| 3927 | struct iwl_fw_dbg_trigger_mlme *trig_mlme; |
Emmanuel Grumbach | d42f535 | 2015-02-10 14:29:48 +0200 | [diff] [blame] | 3928 | |
| 3929 | if (!iwl_fw_dbg_trigger_enabled(mvm->fw, FW_DBG_TRIGGER_MLME)) |
| 3930 | return; |
| 3931 | |
Emmanuel Grumbach | d42f535 | 2015-02-10 14:29:48 +0200 | [diff] [blame] | 3932 | trig = iwl_fw_dbg_get_trigger(mvm->fw, FW_DBG_TRIGGER_MLME); |
| 3933 | trig_mlme = (void *)trig->data; |
| 3934 | if (!iwl_fw_dbg_trigger_check_stop(mvm, vif, trig)) |
| 3935 | return; |
| 3936 | |
Emmanuel Grumbach | d42f535 | 2015-02-10 14:29:48 +0200 | [diff] [blame] | 3937 | if (event->u.mlme.data == ASSOC_EVENT) { |
| 3938 | if (event->u.mlme.status == MLME_DENIED) |
| 3939 | CHECK_MLME_TRIGGER(mvm, trig, buf, |
| 3940 | trig_mlme->stop_assoc_denied, |
| 3941 | "DENIED ASSOC: reason %d", |
| 3942 | event->u.mlme.reason); |
| 3943 | else if (event->u.mlme.status == MLME_TIMEOUT) |
| 3944 | CHECK_MLME_TRIGGER(mvm, trig, buf, |
| 3945 | trig_mlme->stop_assoc_timeout, |
| 3946 | "ASSOC TIMEOUT"); |
| 3947 | } else if (event->u.mlme.data == AUTH_EVENT) { |
| 3948 | if (event->u.mlme.status == MLME_DENIED) |
| 3949 | CHECK_MLME_TRIGGER(mvm, trig, buf, |
| 3950 | trig_mlme->stop_auth_denied, |
| 3951 | "DENIED AUTH: reason %d", |
| 3952 | event->u.mlme.reason); |
| 3953 | else if (event->u.mlme.status == MLME_TIMEOUT) |
| 3954 | CHECK_MLME_TRIGGER(mvm, trig, buf, |
| 3955 | trig_mlme->stop_auth_timeout, |
| 3956 | "AUTH TIMEOUT"); |
| 3957 | } else if (event->u.mlme.data == DEAUTH_RX_EVENT) { |
| 3958 | CHECK_MLME_TRIGGER(mvm, trig, buf, |
| 3959 | trig_mlme->stop_rx_deauth, |
| 3960 | "DEAUTH RX %d", event->u.mlme.reason); |
| 3961 | } else if (event->u.mlme.data == DEAUTH_TX_EVENT) { |
| 3962 | CHECK_MLME_TRIGGER(mvm, trig, buf, |
| 3963 | trig_mlme->stop_tx_deauth, |
| 3964 | "DEAUTH TX %d", event->u.mlme.reason); |
| 3965 | } |
| 3966 | #undef CHECK_MLME_TRIGGER |
| 3967 | } |
| 3968 | |
Johannes Berg | e520926 | 2014-01-20 23:38:59 +0100 | [diff] [blame] | 3969 | const struct ieee80211_ops iwl_mvm_hw_ops = { |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 3970 | .tx = iwl_mvm_mac_tx, |
| 3971 | .ampdu_action = iwl_mvm_mac_ampdu_action, |
| 3972 | .start = iwl_mvm_mac_start, |
Eliad Peller | cf2c92d | 2014-11-04 11:43:54 +0200 | [diff] [blame] | 3973 | .reconfig_complete = iwl_mvm_mac_reconfig_complete, |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 3974 | .stop = iwl_mvm_mac_stop, |
| 3975 | .add_interface = iwl_mvm_mac_add_interface, |
| 3976 | .remove_interface = iwl_mvm_mac_remove_interface, |
| 3977 | .config = iwl_mvm_mac_config, |
Eliad Peller | e59647e | 2013-11-28 14:08:50 +0200 | [diff] [blame] | 3978 | .prepare_multicast = iwl_mvm_prepare_multicast, |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 3979 | .configure_filter = iwl_mvm_configure_filter, |
| 3980 | .bss_info_changed = iwl_mvm_bss_info_changed, |
| 3981 | .hw_scan = iwl_mvm_mac_hw_scan, |
| 3982 | .cancel_hw_scan = iwl_mvm_mac_cancel_hw_scan, |
Johannes Berg | 1ddbbb0 | 2013-12-04 22:39:17 +0100 | [diff] [blame] | 3983 | .sta_pre_rcu_remove = iwl_mvm_sta_pre_rcu_remove, |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 3984 | .sta_state = iwl_mvm_mac_sta_state, |
| 3985 | .sta_notify = iwl_mvm_mac_sta_notify, |
| 3986 | .allow_buffered_frames = iwl_mvm_mac_allow_buffered_frames, |
Johannes Berg | 3e56ead | 2013-02-15 22:23:18 +0100 | [diff] [blame] | 3987 | .release_buffered_frames = iwl_mvm_mac_release_buffered_frames, |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 3988 | .set_rts_threshold = iwl_mvm_mac_set_rts_threshold, |
Lilach Edelstein | 1f3b0ff | 2013-10-06 13:03:32 +0200 | [diff] [blame] | 3989 | .sta_rc_update = iwl_mvm_sta_rc_update, |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 3990 | .conf_tx = iwl_mvm_mac_conf_tx, |
| 3991 | .mgd_prepare_tx = iwl_mvm_mac_mgd_prepare_tx, |
Arik Nemtsov | 07ecd89 | 2014-05-20 18:16:42 +0300 | [diff] [blame] | 3992 | .mgd_protect_tdls_discover = iwl_mvm_mac_mgd_protect_tdls_discover, |
Emmanuel Grumbach | c5b0e7c | 2014-03-24 12:08:53 +0200 | [diff] [blame] | 3993 | .flush = iwl_mvm_mac_flush, |
David Spinadel | 35a000b | 2013-08-28 09:29:43 +0300 | [diff] [blame] | 3994 | .sched_scan_start = iwl_mvm_mac_sched_scan_start, |
| 3995 | .sched_scan_stop = iwl_mvm_mac_sched_scan_stop, |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 3996 | .set_key = iwl_mvm_mac_set_key, |
| 3997 | .update_tkip_key = iwl_mvm_mac_update_tkip_key, |
| 3998 | .remain_on_channel = iwl_mvm_roc, |
| 3999 | .cancel_remain_on_channel = iwl_mvm_cancel_roc, |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 4000 | .add_chanctx = iwl_mvm_add_chanctx, |
| 4001 | .remove_chanctx = iwl_mvm_remove_chanctx, |
| 4002 | .change_chanctx = iwl_mvm_change_chanctx, |
| 4003 | .assign_vif_chanctx = iwl_mvm_assign_vif_chanctx, |
| 4004 | .unassign_vif_chanctx = iwl_mvm_unassign_vif_chanctx, |
Luciano Coelho | b08c1d9 | 2014-05-20 23:31:05 +0300 | [diff] [blame] | 4005 | .switch_vif_chanctx = iwl_mvm_switch_vif_chanctx, |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 4006 | |
Johannes Berg | 5023d96 | 2013-07-31 14:07:43 +0200 | [diff] [blame] | 4007 | .start_ap = iwl_mvm_start_ap_ibss, |
| 4008 | .stop_ap = iwl_mvm_stop_ap_ibss, |
| 4009 | .join_ibss = iwl_mvm_start_ap_ibss, |
| 4010 | .leave_ibss = iwl_mvm_stop_ap_ibss, |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 4011 | |
| 4012 | .set_tim = iwl_mvm_set_tim, |
| 4013 | |
Luciano Coelho | 622e3f9 | 2014-11-10 11:10:17 +0200 | [diff] [blame] | 4014 | .channel_switch = iwl_mvm_channel_switch, |
Luciano Coelho | f028905 | 2014-11-10 11:10:06 +0200 | [diff] [blame] | 4015 | .pre_channel_switch = iwl_mvm_pre_channel_switch, |
Luciano Coelho | f6c3482 | 2014-11-10 11:10:12 +0200 | [diff] [blame] | 4016 | .post_channel_switch = iwl_mvm_post_channel_switch, |
Andrei Otcheretianski | bd3398e | 2013-10-22 05:01:12 +0200 | [diff] [blame] | 4017 | |
Arik Nemtsov | 1d3c3f6 | 2014-10-23 18:03:10 +0300 | [diff] [blame] | 4018 | .tdls_channel_switch = iwl_mvm_tdls_channel_switch, |
| 4019 | .tdls_cancel_channel_switch = iwl_mvm_tdls_cancel_channel_switch, |
| 4020 | .tdls_recv_channel_switch = iwl_mvm_tdls_recv_channel_switch, |
| 4021 | |
Emmanuel Grumbach | d42f535 | 2015-02-10 14:29:48 +0200 | [diff] [blame] | 4022 | .event_callback = iwl_mvm_mac_event_callback, |
| 4023 | |
David Spinadel | 507cadf | 2013-07-31 18:07:21 +0300 | [diff] [blame] | 4024 | CFG80211_TESTMODE_CMD(iwl_mvm_mac_testmode_cmd) |
| 4025 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 4026 | #ifdef CONFIG_PM_SLEEP |
| 4027 | /* look at d3.c */ |
| 4028 | .suspend = iwl_mvm_suspend, |
| 4029 | .resume = iwl_mvm_resume, |
| 4030 | .set_wakeup = iwl_mvm_set_wakeup, |
| 4031 | .set_rekey_data = iwl_mvm_set_rekey_data, |
| 4032 | #if IS_ENABLED(CONFIG_IPV6) |
| 4033 | .ipv6_addr_change = iwl_mvm_ipv6_addr_change, |
| 4034 | #endif |
| 4035 | .set_default_unicast_key = iwl_mvm_set_default_unicast_key, |
| 4036 | #endif |
Johannes Berg | 91a8bcd | 2015-01-14 18:12:41 +0100 | [diff] [blame] | 4037 | .get_survey = iwl_mvm_mac_get_survey, |
Johannes Berg | 33cef92 | 2015-01-21 21:41:29 +0100 | [diff] [blame] | 4038 | .sta_statistics = iwl_mvm_mac_sta_statistics, |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 4039 | }; |