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ce792918 GG |
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 | * | |
8 | * Copyright(c) 2015 Intel Deutschland GmbH | |
9 | * | |
10 | * This program is free software; you can redistribute it and/or modify | |
11 | * it under the terms of version 2 of the GNU General Public License as | |
12 | * published by the Free Software Foundation. | |
13 | * | |
14 | * This program is distributed in the hope that it will be useful, but | |
15 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
17 | * General Public License for more details. | |
18 | * | |
19 | * You should have received a copy of the GNU General Public License | |
20 | * along with this program; if not, write to the Free Software | |
21 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, | |
22 | * USA | |
23 | * | |
24 | * The full GNU General Public License is included in this distribution | |
25 | * in the file called COPYING. | |
26 | * | |
27 | * Contact Information: | |
cb2f8277 | 28 | * Intel Linux Wireless <linuxwifi@intel.com> |
ce792918 GG |
29 | * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 |
30 | * | |
31 | * BSD LICENSE | |
32 | * | |
33 | * Copyright(c) 2015 Intel Deutschland GmbH | |
34 | * All rights reserved. | |
35 | * | |
36 | * Redistribution and use in source and binary forms, with or without | |
37 | * modification, are permitted provided that the following conditions | |
38 | * are met: | |
39 | * | |
40 | * * Redistributions of source code must retain the above copyright | |
41 | * notice, this list of conditions and the following disclaimer. | |
42 | * * Redistributions in binary form must reproduce the above copyright | |
43 | * notice, this list of conditions and the following disclaimer in | |
44 | * the documentation and/or other materials provided with the | |
45 | * distribution. | |
46 | * * Neither the name Intel Corporation nor the names of its | |
47 | * contributors may be used to endorse or promote products derived | |
48 | * from this software without specific prior written permission. | |
49 | * | |
50 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
51 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
52 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
53 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
54 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
55 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
56 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
57 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
58 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
59 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
60 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
61 | * | |
62 | *****************************************************************************/ | |
63 | #include "mvm.h" | |
64 | #include "fw-api-tof.h" | |
65 | ||
66 | #define IWL_MVM_TOF_RANGE_REQ_MAX_ID 256 | |
67 | ||
68 | void iwl_mvm_tof_init(struct iwl_mvm *mvm) | |
69 | { | |
70 | struct iwl_mvm_tof_data *tof_data = &mvm->tof_data; | |
71 | ||
72 | if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_TOF_SUPPORT)) | |
73 | return; | |
74 | ||
75 | memset(tof_data, 0, sizeof(*tof_data)); | |
76 | ||
ce792918 GG |
77 | tof_data->tof_cfg.sub_grp_cmd_id = cpu_to_le32(TOF_CONFIG_CMD); |
78 | ||
79 | #ifdef CONFIG_IWLWIFI_DEBUGFS | |
80 | if (IWL_MVM_TOF_IS_RESPONDER) { | |
ce792918 GG |
81 | tof_data->responder_cfg.sub_grp_cmd_id = |
82 | cpu_to_le32(TOF_RESPONDER_CONFIG_CMD); | |
83 | tof_data->responder_cfg.sta_id = IWL_MVM_STATION_COUNT; | |
84 | } | |
85 | #endif | |
86 | ||
ce792918 GG |
87 | tof_data->range_req.sub_grp_cmd_id = cpu_to_le32(TOF_RANGE_REQ_CMD); |
88 | tof_data->range_req.req_timeout = 1; | |
89 | tof_data->range_req.initiator = 1; | |
90 | tof_data->range_req.report_policy = 3; | |
91 | ||
ce792918 GG |
92 | tof_data->range_req_ext.sub_grp_cmd_id = |
93 | cpu_to_le32(TOF_RANGE_REQ_EXT_CMD); | |
94 | ||
95 | mvm->tof_data.active_range_request = IWL_MVM_TOF_RANGE_REQ_MAX_ID; | |
96 | } | |
97 | ||
98 | void iwl_mvm_tof_clean(struct iwl_mvm *mvm) | |
99 | { | |
100 | struct iwl_mvm_tof_data *tof_data = &mvm->tof_data; | |
101 | ||
102 | if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_TOF_SUPPORT)) | |
103 | return; | |
104 | ||
105 | memset(tof_data, 0, sizeof(*tof_data)); | |
106 | mvm->tof_data.active_range_request = IWL_MVM_TOF_RANGE_REQ_MAX_ID; | |
107 | } | |
108 | ||
109 | static void iwl_tof_iterator(void *_data, u8 *mac, | |
110 | struct ieee80211_vif *vif) | |
111 | { | |
112 | bool *enabled = _data; | |
113 | ||
114 | /* non bss vif exists */ | |
115 | if (ieee80211_vif_type_p2p(vif) != NL80211_IFTYPE_STATION) | |
116 | *enabled = false; | |
117 | } | |
118 | ||
119 | int iwl_mvm_tof_config_cmd(struct iwl_mvm *mvm) | |
120 | { | |
121 | struct iwl_tof_config_cmd *cmd = &mvm->tof_data.tof_cfg; | |
122 | bool enabled; | |
123 | ||
124 | lockdep_assert_held(&mvm->mutex); | |
125 | ||
126 | if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_TOF_SUPPORT)) | |
127 | return -EINVAL; | |
128 | ||
129 | ieee80211_iterate_active_interfaces_atomic(mvm->hw, | |
130 | IEEE80211_IFACE_ITER_NORMAL, | |
131 | iwl_tof_iterator, &enabled); | |
132 | if (!enabled) { | |
133 | IWL_DEBUG_INFO(mvm, "ToF is not supported (non bss vif)\n"); | |
134 | return -EINVAL; | |
135 | } | |
136 | ||
137 | mvm->tof_data.active_range_request = IWL_MVM_TOF_RANGE_REQ_MAX_ID; | |
88742c9e JB |
138 | return iwl_mvm_send_cmd_pdu(mvm, iwl_cmd_id(TOF_CMD, |
139 | IWL_ALWAYS_LONG_GROUP, 0), | |
140 | 0, sizeof(*cmd), cmd); | |
ce792918 GG |
141 | } |
142 | ||
143 | int iwl_mvm_tof_range_abort_cmd(struct iwl_mvm *mvm, u8 id) | |
144 | { | |
145 | struct iwl_tof_range_abort_cmd cmd = { | |
146 | .sub_grp_cmd_id = cpu_to_le32(TOF_RANGE_ABORT_CMD), | |
ce792918 GG |
147 | .request_id = id, |
148 | }; | |
149 | ||
150 | lockdep_assert_held(&mvm->mutex); | |
151 | ||
152 | if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_TOF_SUPPORT)) | |
153 | return -EINVAL; | |
154 | ||
155 | if (id != mvm->tof_data.active_range_request) { | |
156 | IWL_ERR(mvm, "Invalid range request id %d (active %d)\n", | |
157 | id, mvm->tof_data.active_range_request); | |
158 | return -EINVAL; | |
159 | } | |
160 | ||
161 | /* after abort is sent there's no active request anymore */ | |
162 | mvm->tof_data.active_range_request = IWL_MVM_TOF_RANGE_REQ_MAX_ID; | |
163 | ||
88742c9e JB |
164 | return iwl_mvm_send_cmd_pdu(mvm, iwl_cmd_id(TOF_CMD, |
165 | IWL_ALWAYS_LONG_GROUP, 0), | |
166 | 0, sizeof(cmd), &cmd); | |
ce792918 GG |
167 | } |
168 | ||
169 | #ifdef CONFIG_IWLWIFI_DEBUGFS | |
170 | int iwl_mvm_tof_responder_cmd(struct iwl_mvm *mvm, | |
171 | struct ieee80211_vif *vif) | |
172 | { | |
173 | struct iwl_tof_responder_config_cmd *cmd = &mvm->tof_data.responder_cfg; | |
174 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
175 | ||
176 | lockdep_assert_held(&mvm->mutex); | |
177 | ||
178 | if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_TOF_SUPPORT)) | |
179 | return -EINVAL; | |
180 | ||
da583fdf JB |
181 | if (vif->p2p || vif->type != NL80211_IFTYPE_AP || |
182 | !mvmvif->ap_ibss_active) { | |
ce792918 GG |
183 | IWL_ERR(mvm, "Cannot start responder, not in AP mode\n"); |
184 | return -EIO; | |
185 | } | |
186 | ||
187 | cmd->sta_id = mvmvif->bcast_sta.sta_id; | |
9ef2b8be | 188 | memcpy(cmd->bssid, vif->addr, ETH_ALEN); |
88742c9e JB |
189 | return iwl_mvm_send_cmd_pdu(mvm, iwl_cmd_id(TOF_CMD, |
190 | IWL_ALWAYS_LONG_GROUP, 0), | |
191 | 0, sizeof(*cmd), cmd); | |
ce792918 GG |
192 | } |
193 | #endif | |
194 | ||
195 | int iwl_mvm_tof_range_request_cmd(struct iwl_mvm *mvm, | |
196 | struct ieee80211_vif *vif) | |
197 | { | |
198 | struct iwl_host_cmd cmd = { | |
eed6e971 | 199 | .id = iwl_cmd_id(TOF_CMD, IWL_ALWAYS_LONG_GROUP, 0), |
ce792918 GG |
200 | .len = { sizeof(mvm->tof_data.range_req), }, |
201 | /* no copy because of the command size */ | |
202 | .dataflags = { IWL_HCMD_DFL_NOCOPY, }, | |
203 | }; | |
204 | ||
205 | lockdep_assert_held(&mvm->mutex); | |
206 | ||
207 | if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_TOF_SUPPORT)) | |
208 | return -EINVAL; | |
209 | ||
210 | if (ieee80211_vif_type_p2p(vif) != NL80211_IFTYPE_STATION) { | |
211 | IWL_ERR(mvm, "Cannot send range request, not STA mode\n"); | |
212 | return -EIO; | |
213 | } | |
214 | ||
215 | /* nesting of range requests is not supported in FW */ | |
216 | if (mvm->tof_data.active_range_request != | |
217 | IWL_MVM_TOF_RANGE_REQ_MAX_ID) { | |
218 | IWL_ERR(mvm, "Cannot send range req, already active req %d\n", | |
219 | mvm->tof_data.active_range_request); | |
220 | return -EIO; | |
221 | } | |
222 | ||
223 | mvm->tof_data.active_range_request = mvm->tof_data.range_req.request_id; | |
224 | ||
225 | cmd.data[0] = &mvm->tof_data.range_req; | |
226 | return iwl_mvm_send_cmd(mvm, &cmd); | |
227 | } | |
228 | ||
229 | int iwl_mvm_tof_range_request_ext_cmd(struct iwl_mvm *mvm, | |
230 | struct ieee80211_vif *vif) | |
231 | { | |
232 | lockdep_assert_held(&mvm->mutex); | |
233 | ||
234 | if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_TOF_SUPPORT)) | |
235 | return -EINVAL; | |
236 | ||
237 | if (ieee80211_vif_type_p2p(vif) != NL80211_IFTYPE_STATION) { | |
238 | IWL_ERR(mvm, "Cannot send ext range req, not in STA mode\n"); | |
239 | return -EIO; | |
240 | } | |
241 | ||
88742c9e JB |
242 | return iwl_mvm_send_cmd_pdu(mvm, iwl_cmd_id(TOF_CMD, |
243 | IWL_ALWAYS_LONG_GROUP, 0), | |
244 | 0, sizeof(mvm->tof_data.range_req_ext), | |
ce792918 GG |
245 | &mvm->tof_data.range_req_ext); |
246 | } | |
247 | ||
248 | static int iwl_mvm_tof_range_resp(struct iwl_mvm *mvm, void *data) | |
249 | { | |
250 | struct iwl_tof_range_rsp_ntfy *resp = (void *)data; | |
251 | ||
252 | if (resp->request_id != mvm->tof_data.active_range_request) { | |
253 | IWL_ERR(mvm, "Request id mismatch, got %d, active %d\n", | |
254 | resp->request_id, mvm->tof_data.active_range_request); | |
255 | return -EIO; | |
256 | } | |
257 | ||
258 | memcpy(&mvm->tof_data.range_resp, resp, | |
259 | sizeof(struct iwl_tof_range_rsp_ntfy)); | |
260 | mvm->tof_data.active_range_request = IWL_MVM_TOF_RANGE_REQ_MAX_ID; | |
261 | ||
262 | return 0; | |
263 | } | |
264 | ||
265 | static int iwl_mvm_tof_mcsi_notif(struct iwl_mvm *mvm, void *data) | |
266 | { | |
267 | struct iwl_tof_mcsi_notif *resp = (struct iwl_tof_mcsi_notif *)data; | |
268 | ||
269 | IWL_DEBUG_INFO(mvm, "MCSI notification, token %d\n", resp->token); | |
270 | return 0; | |
271 | } | |
272 | ||
273 | static int iwl_mvm_tof_nb_report_notif(struct iwl_mvm *mvm, void *data) | |
274 | { | |
275 | struct iwl_tof_neighbor_report *report = | |
276 | (struct iwl_tof_neighbor_report *)data; | |
277 | ||
278 | IWL_DEBUG_INFO(mvm, "NB report, bssid %pM, token %d, status 0x%x\n", | |
279 | report->bssid, report->request_token, report->status); | |
280 | return 0; | |
281 | } | |
282 | ||
283 | void iwl_mvm_tof_resp_handler(struct iwl_mvm *mvm, | |
284 | struct iwl_rx_cmd_buffer *rxb) | |
285 | { | |
286 | struct iwl_rx_packet *pkt = rxb_addr(rxb); | |
287 | struct iwl_tof_gen_resp_cmd *resp = (void *)pkt->data; | |
288 | ||
289 | lockdep_assert_held(&mvm->mutex); | |
290 | ||
291 | switch (le32_to_cpu(resp->sub_grp_cmd_id)) { | |
292 | case TOF_RANGE_RESPONSE_NOTIF: | |
293 | iwl_mvm_tof_range_resp(mvm, resp->data); | |
294 | break; | |
295 | case TOF_MCSI_DEBUG_NOTIF: | |
296 | iwl_mvm_tof_mcsi_notif(mvm, resp->data); | |
297 | break; | |
298 | case TOF_NEIGHBOR_REPORT_RSP_NOTIF: | |
299 | iwl_mvm_tof_nb_report_notif(mvm, resp->data); | |
300 | break; | |
301 | default: | |
302 | IWL_ERR(mvm, "Unknown sub-group command 0x%x\n", | |
303 | resp->sub_grp_cmd_id); | |
304 | break; | |
305 | } | |
306 | } |