Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (c) 2012-2015 The Linux Foundation. All rights reserved. |
| 3 | * |
| 4 | * Previously licensed under the ISC license by Qualcomm Atheros, Inc. |
| 5 | * |
| 6 | * |
| 7 | * Permission to use, copy, modify, and/or distribute this software for |
| 8 | * any purpose with or without fee is hereby granted, provided that the |
| 9 | * above copyright notice and this permission notice appear in all |
| 10 | * copies. |
| 11 | * |
| 12 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL |
| 13 | * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED |
| 14 | * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE |
| 15 | * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL |
| 16 | * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR |
| 17 | * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
| 18 | * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR |
| 19 | * PERFORMANCE OF THIS SOFTWARE. |
| 20 | */ |
| 21 | |
| 22 | /** |
| 23 | * DOC: wlan_hdd_ext_scan.c |
| 24 | * |
| 25 | * WLAN Host Device Driver EXT SCAN feature implementation |
| 26 | * |
| 27 | */ |
| 28 | |
| 29 | #ifdef FEATURE_WLAN_EXTSCAN |
| 30 | |
| 31 | #include "wlan_hdd_ext_scan.h" |
| 32 | #include "cds_utils.h" |
| 33 | #include "cds_sched.h" |
| 34 | |
| 35 | /* amount of time to wait for a synchronous request/response operation */ |
| 36 | #define WLAN_WAIT_TIME_EXTSCAN 1000 |
| 37 | |
| 38 | /** |
| 39 | * struct hdd_ext_scan_context - hdd ext scan context |
| 40 | * @request_id: userspace-assigned ID associated with the request |
| 41 | * @response_event: Ext scan wait event |
| 42 | * @response_status: Status returned by FW in response to a request |
| 43 | * @ignore_cached_results: Flag to ignore cached results or not |
| 44 | * @context_lock: Spinlock to serialize all context accesses |
| 45 | * @capability_response: Ext scan capability response data from target |
| 46 | */ |
| 47 | struct hdd_ext_scan_context { |
| 48 | uint32_t request_id; |
| 49 | int response_status; |
| 50 | bool ignore_cached_results; |
| 51 | struct completion response_event; |
| 52 | spinlock_t context_lock; |
| 53 | struct ext_scan_capabilities_response capability_response; |
| 54 | }; |
| 55 | static struct hdd_ext_scan_context ext_scan_context; |
| 56 | |
| 57 | static const struct nla_policy wlan_hdd_extscan_config_policy |
| 58 | [QCA_WLAN_VENDOR_ATTR_EXTSCAN_SUBCMD_CONFIG_PARAM_MAX + 1] = { |
| 59 | [QCA_WLAN_VENDOR_ATTR_EXTSCAN_SUBCMD_CONFIG_PARAM_REQUEST_ID] = { |
| 60 | .type = NLA_U32}, |
| 61 | [QCA_WLAN_VENDOR_ATTR_EXTSCAN_GET_VALID_CHANNELS_CONFIG_PARAM_WIFI_BAND] = { |
| 62 | .type = NLA_U32}, |
| 63 | [QCA_WLAN_VENDOR_ATTR_EXTSCAN_CHANNEL_SPEC_CHANNEL] = {.type = NLA_U32}, |
| 64 | [QCA_WLAN_VENDOR_ATTR_EXTSCAN_CHANNEL_SPEC_DWELL_TIME] = { |
| 65 | .type = NLA_U32}, |
| 66 | [QCA_WLAN_VENDOR_ATTR_EXTSCAN_CHANNEL_SPEC_PASSIVE] = {.type = NLA_U8}, |
| 67 | [QCA_WLAN_VENDOR_ATTR_EXTSCAN_CHANNEL_SPEC_CLASS] = {.type = NLA_U8}, |
| 68 | |
| 69 | [QCA_WLAN_VENDOR_ATTR_EXTSCAN_BUCKET_SPEC_INDEX] = {.type = NLA_U8}, |
| 70 | [QCA_WLAN_VENDOR_ATTR_EXTSCAN_BUCKET_SPEC_BAND] = {.type = NLA_U8}, |
| 71 | [QCA_WLAN_VENDOR_ATTR_EXTSCAN_BUCKET_SPEC_PERIOD] = {.type = NLA_U32}, |
| 72 | [QCA_WLAN_VENDOR_ATTR_EXTSCAN_BUCKET_SPEC_REPORT_EVENTS] = { |
| 73 | .type = NLA_U8}, |
| 74 | [QCA_WLAN_VENDOR_ATTR_EXTSCAN_BUCKET_SPEC_NUM_CHANNEL_SPECS] = { |
| 75 | .type = NLA_U32}, |
| 76 | [QCA_WLAN_VENDOR_ATTR_EXTSCAN_SCAN_CMD_PARAMS_BASE_PERIOD] = { |
| 77 | .type = NLA_U32}, |
| 78 | [QCA_WLAN_VENDOR_ATTR_EXTSCAN_SCAN_CMD_PARAMS_MAX_AP_PER_SCAN] = { |
| 79 | .type = NLA_U32}, |
| 80 | [QCA_WLAN_VENDOR_ATTR_EXTSCAN_SCAN_CMD_PARAMS_REPORT_THRESHOLD_PERCENT] = { |
| 81 | .type = NLA_U8}, |
| 82 | [QCA_WLAN_VENDOR_ATTR_EXTSCAN_SCAN_CMD_PARAMS_REPORT_THRESHOLD_NUM_SCANS] = { |
| 83 | .type = NLA_U8 }, |
| 84 | [QCA_WLAN_VENDOR_ATTR_EXTSCAN_SCAN_CMD_PARAMS_NUM_BUCKETS] = { |
| 85 | .type = NLA_U8}, |
| 86 | [QCA_WLAN_VENDOR_ATTR_EXTSCAN_GET_CACHED_SCAN_RESULTS_CONFIG_PARAM_FLUSH] = { |
| 87 | .type = NLA_U8}, |
| 88 | |
| 89 | [QCA_WLAN_VENDOR_ATTR_EXTSCAN_GET_CACHED_SCAN_RESULTS_CONFIG_PARAM_MAX] = { |
| 90 | .type = NLA_U32}, |
| 91 | [QCA_WLAN_VENDOR_ATTR_EXTSCAN_AP_THRESHOLD_PARAM_BSSID] = { |
| 92 | .type = NLA_UNSPEC}, |
| 93 | [QCA_WLAN_VENDOR_ATTR_EXTSCAN_AP_THRESHOLD_PARAM_RSSI_LOW] = { |
| 94 | .type = NLA_S32}, |
| 95 | [QCA_WLAN_VENDOR_ATTR_EXTSCAN_AP_THRESHOLD_PARAM_RSSI_HIGH] = { |
| 96 | .type = NLA_S32}, |
| 97 | [QCA_WLAN_VENDOR_ATTR_EXTSCAN_AP_THRESHOLD_PARAM_CHANNEL] = { |
| 98 | .type = NLA_U32}, |
| 99 | [QCA_WLAN_VENDOR_ATTR_EXTSCAN_BSSID_HOTLIST_PARAMS_NUM_AP] = { |
| 100 | .type = NLA_U32}, |
| 101 | [QCA_WLAN_VENDOR_ATTR_EXTSCAN_SIGNIFICANT_CHANGE_PARAMS_RSSI_SAMPLE_SIZE] = { |
| 102 | .type = NLA_U32}, |
| 103 | [QCA_WLAN_VENDOR_ATTR_EXTSCAN_SIGNIFICANT_CHANGE_PARAMS_LOST_AP_SAMPLE_SIZE] = { |
| 104 | .type = NLA_U32}, |
| 105 | [QCA_WLAN_VENDOR_ATTR_EXTSCAN_SIGNIFICANT_CHANGE_PARAMS_MIN_BREACHING] = { |
| 106 | .type = NLA_U32}, |
| 107 | [QCA_WLAN_VENDOR_ATTR_EXTSCAN_SIGNIFICANT_CHANGE_PARAMS_NUM_AP] = { |
| 108 | .type = NLA_U32}, |
| 109 | [QCA_WLAN_VENDOR_ATTR_PNO_SET_LIST_PARAM_NUM_NETWORKS] = { |
| 110 | .type = NLA_U32 }, |
| 111 | [QCA_WLAN_VENDOR_ATTR_PNO_SET_LIST_PARAM_EPNO_NETWORK_SSID] = { |
| 112 | .type = NLA_BINARY, |
| 113 | .len = IEEE80211_MAX_SSID_LEN }, |
| 114 | [QCA_WLAN_VENDOR_ATTR_PNO_SET_LIST_PARAM_EPNO_NETWORK_RSSI_THRESHOLD] = { |
| 115 | .type = NLA_S8 }, |
| 116 | [QCA_WLAN_VENDOR_ATTR_PNO_SET_LIST_PARAM_EPNO_NETWORK_FLAGS] = { |
| 117 | .type = NLA_U8 }, |
| 118 | [QCA_WLAN_VENDOR_ATTR_PNO_SET_LIST_PARAM_EPNO_NETWORK_AUTH_BIT] = { |
| 119 | .type = NLA_U8 }, |
| 120 | [QCA_WLAN_VENDOR_ATTR_EXTSCAN_SSID_THRESHOLD_PARAM_SSID] = { |
| 121 | .type = NLA_BINARY, |
| 122 | .len = IEEE80211_MAX_SSID_LEN + 1 }, |
| 123 | [QCA_WLAN_VENDOR_ATTR_EXTSCAN_SSID_HOTLIST_PARAMS_LOST_SSID_SAMPLE_SIZE] = { |
| 124 | .type = NLA_U32 }, |
| 125 | [QCA_WLAN_VENDOR_ATTR_EXTSCAN_SSID_HOTLIST_PARAMS_NUM_SSID] = { |
| 126 | .type = NLA_U32 }, |
| 127 | [QCA_WLAN_VENDOR_ATTR_EXTSCAN_SSID_THRESHOLD_PARAM_BAND] = { |
| 128 | .type = NLA_U8 }, |
| 129 | [QCA_WLAN_VENDOR_ATTR_EXTSCAN_SSID_THRESHOLD_PARAM_RSSI_LOW] = { |
| 130 | .type = NLA_S32 }, |
| 131 | [QCA_WLAN_VENDOR_ATTR_EXTSCAN_SSID_THRESHOLD_PARAM_RSSI_HIGH] = { |
| 132 | .type = NLA_S32 }, |
| 133 | [QCA_WLAN_VENDOR_ATTR_EXTSCAN_CONFIGURATION_FLAGS] = { |
| 134 | .type = NLA_U32 }, |
| 135 | }; |
| 136 | |
| 137 | static const struct nla_policy |
| 138 | wlan_hdd_extscan_results_policy[QCA_WLAN_VENDOR_ATTR_EXTSCAN_RESULTS_MAX + 1] = { |
| 139 | [QCA_WLAN_VENDOR_ATTR_EXTSCAN_RESULTS_SCAN_RESULT_BEACON_PERIOD] = { |
| 140 | .type = NLA_U16}, |
| 141 | [QCA_WLAN_VENDOR_ATTR_EXTSCAN_RESULTS_SCAN_RESULT_CAPABILITY] = { |
| 142 | .type = NLA_U16}, |
| 143 | }; |
| 144 | |
| 145 | /** |
| 146 | * wlan_hdd_cfg80211_extscan_get_capabilities_rsp() - response from target |
| 147 | * @ctx: Pointer to hdd context |
| 148 | * @data: Pointer to ext scan capabilities response from fw |
| 149 | * |
| 150 | * Return: None |
| 151 | */ |
| 152 | static void |
| 153 | wlan_hdd_cfg80211_extscan_get_capabilities_rsp(void *ctx, |
| 154 | struct ext_scan_capabilities_response *data) |
| 155 | { |
| 156 | struct hdd_ext_scan_context *context; |
| 157 | hdd_context_t *hdd_ctx = ctx; |
| 158 | |
| 159 | ENTER(); |
| 160 | |
| 161 | if (wlan_hdd_validate_context(hdd_ctx) || !data) { |
| 162 | hddLog(LOGE, FL("HDD context is invalid or data(%p) is null"), |
| 163 | data); |
| 164 | return; |
| 165 | } |
| 166 | |
| 167 | context = &ext_scan_context; |
| 168 | |
| 169 | spin_lock(&context->context_lock); |
| 170 | /* validate response received from target*/ |
| 171 | if (context->request_id != data->requestId) { |
| 172 | spin_unlock(&context->context_lock); |
| 173 | hddLog(LOGE, |
| 174 | FL("Target response id did not match: request_id %d response_id %d"), |
| 175 | context->request_id, data->requestId); |
| 176 | return; |
| 177 | } else { |
| 178 | context->capability_response = *data; |
| 179 | complete(&context->response_event); |
| 180 | } |
| 181 | |
| 182 | spin_unlock(&context->context_lock); |
| 183 | |
| 184 | return; |
| 185 | } |
| 186 | |
| 187 | /* |
| 188 | * define short names for the global vendor params |
| 189 | * used by hdd_extscan_nl_fill_bss() |
| 190 | */ |
| 191 | #define PARAM_TIME_STAMP \ |
| 192 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_RESULTS_SCAN_RESULT_TIME_STAMP |
| 193 | #define PARAM_SSID \ |
| 194 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_RESULTS_SCAN_RESULT_SSID |
| 195 | #define PARAM_BSSID \ |
| 196 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_RESULTS_SCAN_RESULT_BSSID |
| 197 | #define PARAM_CHANNEL \ |
| 198 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_RESULTS_SCAN_RESULT_CHANNEL |
| 199 | #define PARAM_RSSI \ |
| 200 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_RESULTS_SCAN_RESULT_RSSI |
| 201 | #define PARAM_RTT \ |
| 202 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_RESULTS_SCAN_RESULT_RTT |
| 203 | #define PARAM_RTT_SD \ |
| 204 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_RESULTS_SCAN_RESULT_RTT_SD |
| 205 | #define PARAM_BEACON_PERIOD \ |
| 206 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_RESULTS_SCAN_RESULT_BEACON_PERIOD |
| 207 | #define PARAM_CAPABILITY \ |
| 208 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_RESULTS_SCAN_RESULT_CAPABILITY |
| 209 | #define PARAM_IE_LENGTH \ |
| 210 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_RESULTS_SCAN_RESULT_IE_LENGTH |
| 211 | #define PARAM_IE_DATA \ |
| 212 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_RESULTS_SCAN_RESULT_IE_DATA |
| 213 | |
| 214 | /** hdd_extscan_nl_fill_bss() - extscan nl fill bss |
| 215 | * @skb: socket buffer |
| 216 | * @ap: bss information |
| 217 | * @idx: nesting index |
| 218 | * |
| 219 | * Return: 0 on success; error number otherwise |
| 220 | */ |
| 221 | static int hdd_extscan_nl_fill_bss(struct sk_buff *skb, tSirWifiScanResult *ap, |
| 222 | int idx) |
| 223 | { |
| 224 | struct nlattr *nla_ap; |
| 225 | |
| 226 | nla_ap = nla_nest_start(skb, idx); |
| 227 | if (!nla_ap) |
| 228 | return -EINVAL; |
| 229 | |
| 230 | if (nla_put_u64(skb, PARAM_TIME_STAMP, ap->ts) || |
| 231 | nla_put(skb, PARAM_SSID, sizeof(ap->ssid), ap->ssid) || |
| 232 | nla_put(skb, PARAM_BSSID, sizeof(ap->bssid), ap->bssid.bytes) || |
| 233 | nla_put_u32(skb, PARAM_CHANNEL, ap->channel) || |
| 234 | nla_put_s32(skb, PARAM_RSSI, ap->rssi) || |
| 235 | nla_put_u32(skb, PARAM_RTT, ap->rtt) || |
| 236 | nla_put_u32(skb, PARAM_RTT_SD, ap->rtt_sd) || |
| 237 | nla_put_u16(skb, PARAM_BEACON_PERIOD, ap->beaconPeriod) || |
| 238 | nla_put_u16(skb, PARAM_CAPABILITY, ap->capability) || |
| 239 | nla_put_u16(skb, PARAM_IE_LENGTH, ap->ieLength)) { |
| 240 | hddLog(LOGE, FL("put fail")); |
| 241 | return -EINVAL; |
| 242 | } |
| 243 | |
| 244 | if (ap->ieLength) |
| 245 | if (nla_put(skb, PARAM_IE_DATA, ap->ieLength, ap->ieData)) { |
| 246 | hddLog(LOGE, FL("put fail")); |
| 247 | return -EINVAL; |
| 248 | } |
| 249 | |
| 250 | nla_nest_end(skb, nla_ap); |
| 251 | |
| 252 | return 0; |
| 253 | } |
| 254 | /* |
| 255 | * done with short names for the global vendor params |
| 256 | * used by hdd_extscan_nl_fill_bss() |
| 257 | */ |
| 258 | #undef PARAM_TIME_STAMP |
| 259 | #undef PARAM_SSID |
| 260 | #undef PARAM_BSSID |
| 261 | #undef PARAM_CHANNEL |
| 262 | #undef PARAM_RSSI |
| 263 | #undef PARAM_RTT |
| 264 | #undef PARAM_RTT_SD |
| 265 | #undef PARAM_BEACON_PERIOD |
| 266 | #undef PARAM_CAPABILITY |
| 267 | #undef PARAM_IE_LENGTH |
| 268 | #undef PARAM_IE_DATA |
| 269 | |
| 270 | /** wlan_hdd_cfg80211_extscan_cached_results_ind() - get cached results |
| 271 | * @ctx: hdd global context |
| 272 | * @data: cached results |
| 273 | * |
| 274 | * This function reads the cached results %data, populated the NL |
| 275 | * attributes and sends the NL event to the upper layer. |
| 276 | * |
| 277 | * Return: none |
| 278 | */ |
| 279 | static void |
| 280 | wlan_hdd_cfg80211_extscan_cached_results_ind(void *ctx, |
| 281 | struct extscan_cached_scan_results *data) |
| 282 | { |
| 283 | hdd_context_t *pHddCtx = ctx; |
| 284 | struct sk_buff *skb = NULL; |
| 285 | struct hdd_ext_scan_context *context; |
| 286 | struct extscan_cached_scan_result *result; |
| 287 | tSirWifiScanResult *ap; |
| 288 | uint32_t i, j, nl_buf_len; |
| 289 | bool ignore_cached_results = false; |
| 290 | |
| 291 | ENTER(); |
| 292 | |
| 293 | if (wlan_hdd_validate_context(pHddCtx) || !data) { |
| 294 | hddLog(LOGE, FL("HDD ctx invalid or data(%p) is null"), data); |
| 295 | return; |
| 296 | } |
| 297 | |
| 298 | context = &ext_scan_context; |
| 299 | spin_lock(&context->context_lock); |
| 300 | ignore_cached_results = context->ignore_cached_results; |
| 301 | spin_unlock(&context->context_lock); |
| 302 | |
| 303 | if (ignore_cached_results) { |
| 304 | hddLog(LOGE, |
| 305 | FL("Ignore the cached results received after timeout")); |
| 306 | return; |
| 307 | } |
| 308 | |
| 309 | #define EXTSCAN_CACHED_NEST_HDRLEN NLA_HDRLEN |
| 310 | #define EXTSCAN_CACHED_NL_FIXED_TLV \ |
| 311 | ((sizeof(data->request_id) + NLA_HDRLEN) + \ |
| 312 | (sizeof(data->num_scan_ids) + NLA_HDRLEN) + \ |
| 313 | (sizeof(data->more_data) + NLA_HDRLEN)) |
| 314 | #define EXTSCAN_CACHED_NL_SCAN_ID_TLV \ |
| 315 | ((sizeof(result->scan_id) + NLA_HDRLEN) + \ |
| 316 | (sizeof(result->flags) + NLA_HDRLEN) + \ |
| 317 | (sizeof(result->num_results) + NLA_HDRLEN)) |
| 318 | #define EXTSCAN_CACHED_NL_SCAN_RESULTS_TLV \ |
| 319 | ((sizeof(ap->ts) + NLA_HDRLEN) + \ |
| 320 | (sizeof(ap->ssid) + NLA_HDRLEN) + \ |
| 321 | (sizeof(ap->bssid) + NLA_HDRLEN) + \ |
| 322 | (sizeof(ap->channel) + NLA_HDRLEN) + \ |
| 323 | (sizeof(ap->rssi) + NLA_HDRLEN) + \ |
| 324 | (sizeof(ap->rtt) + NLA_HDRLEN) + \ |
| 325 | (sizeof(ap->rtt_sd) + NLA_HDRLEN) + \ |
| 326 | (sizeof(ap->beaconPeriod) + NLA_HDRLEN) + \ |
| 327 | (sizeof(ap->capability) + NLA_HDRLEN) + \ |
| 328 | (sizeof(ap->ieLength) + NLA_HDRLEN)) |
| 329 | #define EXTSCAN_CACHED_NL_SCAN_RESULTS_IE_DATA_TLV \ |
| 330 | (ap->ieLength + NLA_HDRLEN) |
| 331 | |
| 332 | nl_buf_len = NLMSG_HDRLEN; |
| 333 | nl_buf_len += EXTSCAN_CACHED_NL_FIXED_TLV; |
| 334 | if (data->num_scan_ids) { |
| 335 | nl_buf_len += sizeof(result->scan_id) + NLA_HDRLEN; |
| 336 | nl_buf_len += EXTSCAN_CACHED_NEST_HDRLEN; |
| 337 | result = &data->result[0]; |
| 338 | for (i = 0; i < data->num_scan_ids; i++) { |
| 339 | nl_buf_len += EXTSCAN_CACHED_NEST_HDRLEN; |
| 340 | nl_buf_len += EXTSCAN_CACHED_NL_SCAN_ID_TLV; |
| 341 | nl_buf_len += EXTSCAN_CACHED_NEST_HDRLEN; |
| 342 | |
| 343 | ap = &result->ap[0]; |
| 344 | for (j = 0; j < result->num_results; j++) { |
| 345 | nl_buf_len += EXTSCAN_CACHED_NEST_HDRLEN; |
| 346 | nl_buf_len += |
| 347 | EXTSCAN_CACHED_NL_SCAN_RESULTS_TLV; |
| 348 | if (ap->ieLength) |
| 349 | nl_buf_len += |
| 350 | EXTSCAN_CACHED_NL_SCAN_RESULTS_IE_DATA_TLV; |
| 351 | ap++; |
| 352 | } |
| 353 | result++; |
| 354 | } |
| 355 | } |
| 356 | |
| 357 | hddLog(LOG1, FL("nl_buf_len = %u"), nl_buf_len); |
| 358 | skb = cfg80211_vendor_cmd_alloc_reply_skb(pHddCtx->wiphy, nl_buf_len); |
| 359 | |
| 360 | if (!skb) { |
| 361 | hddLog(LOGE, FL("cfg80211_vendor_cmd_alloc_reply_skb failed")); |
| 362 | goto fail; |
| 363 | } |
| 364 | hddLog(LOG1, "Req Id %u Num_scan_ids %u More Data %u", |
| 365 | data->request_id, data->num_scan_ids, data->more_data); |
| 366 | |
| 367 | result = &data->result[0]; |
| 368 | for (i = 0; i < data->num_scan_ids; i++) { |
| 369 | hddLog(LOG1, "[i=%d] scan_id %u flags %u num_results %u", |
| 370 | i, result->scan_id, result->flags, result->num_results); |
| 371 | |
| 372 | ap = &result->ap[0]; |
| 373 | for (j = 0; j < result->num_results; j++) { |
| 374 | /* |
| 375 | * Firmware returns timestamp from ext scan start till |
| 376 | * BSSID was cached (in micro seconds). Add this with |
| 377 | * time gap between system boot up to ext scan start |
| 378 | * to derive the time since boot when the |
| 379 | * BSSID was cached. |
| 380 | */ |
| 381 | ap->ts += pHddCtx->ext_scan_start_since_boot; |
| 382 | hddLog(LOG1, "Timestamp %llu " |
| 383 | "Ssid: %s " |
| 384 | "Bssid (" MAC_ADDRESS_STR ") " |
| 385 | "Channel %u " |
| 386 | "Rssi %d " |
| 387 | "RTT %u " |
| 388 | "RTT_SD %u " |
| 389 | "Beacon Period %u " |
| 390 | "Capability 0x%x " |
| 391 | "Ie length %d", |
| 392 | ap->ts, |
| 393 | ap->ssid, |
| 394 | MAC_ADDR_ARRAY(ap->bssid.bytes), |
| 395 | ap->channel, |
| 396 | ap->rssi, |
| 397 | ap->rtt, |
| 398 | ap->rtt_sd, |
| 399 | ap->beaconPeriod, |
| 400 | ap->capability, |
| 401 | ap->ieLength); |
| 402 | ap++; |
| 403 | } |
| 404 | result++; |
| 405 | } |
| 406 | |
| 407 | if (nla_put_u32(skb, QCA_WLAN_VENDOR_ATTR_EXTSCAN_RESULTS_REQUEST_ID, |
| 408 | data->request_id) || |
| 409 | nla_put_u32(skb, |
| 410 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_NUM_RESULTS_AVAILABLE, |
| 411 | data->num_scan_ids) || |
| 412 | nla_put_u8(skb, |
| 413 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_RESULTS_SCAN_RESULT_MORE_DATA, |
| 414 | data->more_data)) { |
| 415 | hddLog(LOGE, FL("put fail")); |
| 416 | goto fail; |
| 417 | } |
| 418 | |
| 419 | if (data->num_scan_ids) { |
| 420 | struct nlattr *nla_results; |
| 421 | result = &data->result[0]; |
| 422 | |
| 423 | if (nla_put_u32(skb, |
| 424 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_CACHED_RESULTS_SCAN_ID, |
| 425 | result->scan_id)) { |
| 426 | hddLog(LOGE, FL("put fail")); |
| 427 | goto fail; |
| 428 | } |
| 429 | nla_results = nla_nest_start(skb, |
| 430 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_CACHED_RESULTS_LIST); |
| 431 | if (!nla_results) |
| 432 | goto fail; |
| 433 | |
| 434 | for (i = 0; i < data->num_scan_ids; i++) { |
| 435 | struct nlattr *nla_result; |
| 436 | struct nlattr *nla_aps; |
| 437 | |
| 438 | nla_result = nla_nest_start(skb, i); |
| 439 | if (!nla_result) |
| 440 | goto fail; |
| 441 | |
| 442 | if (nla_put_u32(skb, |
| 443 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_CACHED_RESULTS_SCAN_ID, |
| 444 | result->scan_id) || |
| 445 | nla_put_u32(skb, |
| 446 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_CACHED_RESULTS_FLAGS, |
| 447 | result->flags) || |
| 448 | nla_put_u32(skb, |
| 449 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_NUM_RESULTS_AVAILABLE, |
| 450 | result->num_results)) { |
| 451 | hddLog(LOGE, FL("put fail")); |
| 452 | goto fail; |
| 453 | } |
| 454 | |
| 455 | nla_aps = nla_nest_start(skb, |
| 456 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_RESULTS_LIST); |
| 457 | if (!nla_aps) |
| 458 | goto fail; |
| 459 | |
| 460 | ap = &result->ap[0]; |
| 461 | for (j = 0; j < result->num_results; j++) { |
| 462 | if (hdd_extscan_nl_fill_bss(skb, ap, j)) |
| 463 | goto fail; |
| 464 | |
| 465 | ap++; |
| 466 | } |
| 467 | nla_nest_end(skb, nla_aps); |
| 468 | nla_nest_end(skb, nla_result); |
| 469 | result++; |
| 470 | } |
| 471 | nla_nest_end(skb, nla_results); |
| 472 | } |
| 473 | |
| 474 | cfg80211_vendor_cmd_reply(skb); |
| 475 | |
| 476 | if (!data->more_data) { |
| 477 | spin_lock(&context->context_lock); |
| 478 | context->response_status = 0; |
| 479 | complete(&context->response_event); |
| 480 | spin_unlock(&context->context_lock); |
| 481 | } |
| 482 | return; |
| 483 | |
| 484 | fail: |
| 485 | if (skb) |
| 486 | kfree_skb(skb); |
| 487 | |
| 488 | spin_lock(&context->context_lock); |
| 489 | context->response_status = -EINVAL; |
| 490 | spin_unlock(&context->context_lock); |
| 491 | |
| 492 | return; |
| 493 | } |
| 494 | |
| 495 | /** |
| 496 | * wlan_hdd_cfg80211_extscan_hotlist_match_ind() - hot list match ind |
| 497 | * @ctx: Pointer to hdd context |
| 498 | * @pData: Pointer to ext scan result event |
| 499 | * |
| 500 | * Return: none |
| 501 | */ |
| 502 | static void |
| 503 | wlan_hdd_cfg80211_extscan_hotlist_match_ind(void *ctx, |
| 504 | struct extscan_hotlist_match *data) |
| 505 | { |
| 506 | hdd_context_t *pHddCtx = ctx; |
| 507 | struct sk_buff *skb = NULL; |
| 508 | uint32_t i, index; |
| 509 | |
| 510 | ENTER(); |
| 511 | |
| 512 | if (wlan_hdd_validate_context(pHddCtx) || !data) { |
| 513 | hddLog(LOGE, FL("HDD ctx invalid or data(%p) is null"), data); |
| 514 | return; |
| 515 | } |
| 516 | |
| 517 | if (data->ap_found) |
| 518 | index = QCA_NL80211_VENDOR_SUBCMD_EXTSCAN_HOTLIST_AP_FOUND_INDEX; |
| 519 | else |
| 520 | index = QCA_NL80211_VENDOR_SUBCMD_EXTSCAN_HOTLIST_AP_LOST_INDEX; |
| 521 | |
| 522 | skb = cfg80211_vendor_event_alloc( |
| 523 | pHddCtx->wiphy, |
| 524 | NULL, |
| 525 | EXTSCAN_EVENT_BUF_SIZE + NLMSG_HDRLEN, |
| 526 | index, GFP_KERNEL); |
| 527 | |
| 528 | if (!skb) { |
| 529 | hddLog(LOGE, FL("cfg80211_vendor_event_alloc failed")); |
| 530 | return; |
| 531 | } |
| 532 | hdd_info("Req Id: %u Num_APs: %u MoreData: %u ap_found: %u", |
| 533 | data->requestId, data->numOfAps, data->moreData, |
| 534 | data->ap_found); |
| 535 | |
| 536 | for (i = 0; i < data->numOfAps; i++) { |
| 537 | data->ap[i].ts = cdf_get_monotonic_boottime(); |
| 538 | |
| 539 | hddLog(LOG1, "[i=%d] Timestamp %llu " |
| 540 | "Ssid: %s " |
| 541 | "Bssid (" MAC_ADDRESS_STR ") " |
| 542 | "Channel %u " |
| 543 | "Rssi %d " |
| 544 | "RTT %u " |
| 545 | "RTT_SD %u", |
| 546 | i, |
| 547 | data->ap[i].ts, |
| 548 | data->ap[i].ssid, |
| 549 | MAC_ADDR_ARRAY(data->ap[i].bssid.bytes), |
| 550 | data->ap[i].channel, |
| 551 | data->ap[i].rssi, |
| 552 | data->ap[i].rtt, data->ap[i].rtt_sd); |
| 553 | } |
| 554 | |
| 555 | if (nla_put_u32(skb, |
| 556 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_RESULTS_REQUEST_ID, |
| 557 | data->requestId) || |
| 558 | nla_put_u32(skb, |
| 559 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_NUM_RESULTS_AVAILABLE, |
| 560 | data->numOfAps)) { |
| 561 | hddLog(LOGE, FL("put fail")); |
| 562 | goto fail; |
| 563 | } |
| 564 | |
| 565 | if (data->numOfAps) { |
| 566 | struct nlattr *aps; |
| 567 | |
| 568 | aps = nla_nest_start(skb, |
| 569 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_RESULTS_LIST); |
| 570 | if (!aps) |
| 571 | goto fail; |
| 572 | |
| 573 | for (i = 0; i < data->numOfAps; i++) { |
| 574 | struct nlattr *ap; |
| 575 | |
| 576 | ap = nla_nest_start(skb, i); |
| 577 | if (!ap) |
| 578 | goto fail; |
| 579 | |
| 580 | if (nla_put_u64(skb, |
| 581 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_RESULTS_SCAN_RESULT_TIME_STAMP, |
| 582 | data->ap[i].ts) || |
| 583 | nla_put(skb, |
| 584 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_RESULTS_SCAN_RESULT_SSID, |
| 585 | sizeof(data->ap[i].ssid), |
| 586 | data->ap[i].ssid) || |
| 587 | nla_put(skb, |
| 588 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_RESULTS_SCAN_RESULT_BSSID, |
| 589 | sizeof(data->ap[i].bssid), |
| 590 | data->ap[i].bssid.bytes) || |
| 591 | nla_put_u32(skb, |
| 592 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_RESULTS_SCAN_RESULT_CHANNEL, |
| 593 | data->ap[i].channel) || |
| 594 | nla_put_s32(skb, |
| 595 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_RESULTS_SCAN_RESULT_RSSI, |
| 596 | data->ap[i].rssi) || |
| 597 | nla_put_u32(skb, |
| 598 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_RESULTS_SCAN_RESULT_RTT, |
| 599 | data->ap[i].rtt) || |
| 600 | nla_put_u32(skb, |
| 601 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_RESULTS_SCAN_RESULT_RTT_SD, |
| 602 | data->ap[i].rtt_sd)) |
| 603 | goto fail; |
| 604 | |
| 605 | nla_nest_end(skb, ap); |
| 606 | } |
| 607 | nla_nest_end(skb, aps); |
| 608 | |
| 609 | if (nla_put_u8(skb, |
| 610 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_RESULTS_SCAN_RESULT_MORE_DATA, |
| 611 | data->moreData)) |
| 612 | goto fail; |
| 613 | } |
| 614 | |
| 615 | cfg80211_vendor_event(skb, GFP_KERNEL); |
| 616 | return; |
| 617 | |
| 618 | fail: |
| 619 | kfree_skb(skb); |
| 620 | return; |
| 621 | } |
| 622 | |
| 623 | /** |
| 624 | * wlan_hdd_cfg80211_extscan_signif_wifi_change_results_ind() - |
| 625 | * significant wifi change results indication |
| 626 | * @ctx: Pointer to hdd context |
| 627 | * @pData: Pointer to signif wifi change event |
| 628 | * |
| 629 | * Return: none |
| 630 | */ |
| 631 | static void |
| 632 | wlan_hdd_cfg80211_extscan_signif_wifi_change_results_ind( |
| 633 | void *ctx, |
| 634 | tpSirWifiSignificantChangeEvent pData) |
| 635 | { |
| 636 | hdd_context_t *pHddCtx = (hdd_context_t *) ctx; |
| 637 | struct sk_buff *skb = NULL; |
| 638 | tSirWifiSignificantChange *ap_info; |
| 639 | int32_t *rssi; |
| 640 | uint32_t i, j; |
| 641 | |
| 642 | ENTER(); |
| 643 | |
| 644 | if (wlan_hdd_validate_context(pHddCtx) || !pData) { |
| 645 | hddLog(LOGE, FL("HDD ctx invalid or pData(%p) is null"), pData); |
| 646 | return; |
| 647 | } |
| 648 | |
| 649 | skb = cfg80211_vendor_event_alloc( |
| 650 | pHddCtx->wiphy, |
| 651 | NULL, |
| 652 | EXTSCAN_EVENT_BUF_SIZE + NLMSG_HDRLEN, |
| 653 | QCA_NL80211_VENDOR_SUBCMD_EXTSCAN_SIGNIFICANT_CHANGE_INDEX, |
| 654 | GFP_KERNEL); |
| 655 | |
| 656 | if (!skb) { |
| 657 | hddLog(LOGE, FL("cfg80211_vendor_event_alloc failed")); |
| 658 | return; |
| 659 | } |
| 660 | hddLog(LOG1, "Req Id %u Num results %u More Data %u", |
| 661 | pData->requestId, pData->numResults, pData->moreData); |
| 662 | |
| 663 | ap_info = &pData->ap[0]; |
| 664 | for (i = 0; i < pData->numResults; i++) { |
| 665 | hddLog(LOG1, "[i=%d] " |
| 666 | "Bssid (" MAC_ADDRESS_STR ") " |
| 667 | "Channel %u " |
| 668 | "numOfRssi %d", |
| 669 | i, |
| 670 | MAC_ADDR_ARRAY(ap_info->bssid.bytes), |
| 671 | ap_info->channel, ap_info->numOfRssi); |
| 672 | rssi = &(ap_info)->rssi[0]; |
| 673 | for (j = 0; j < ap_info->numOfRssi; j++) |
| 674 | hddLog(LOG1, "Rssi %d", *rssi++); |
| 675 | |
| 676 | ap_info += ap_info->numOfRssi * sizeof(*rssi); |
| 677 | } |
| 678 | |
| 679 | if (nla_put_u32(skb, |
| 680 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_RESULTS_REQUEST_ID, |
| 681 | pData->requestId) || |
| 682 | nla_put_u32(skb, |
| 683 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_NUM_RESULTS_AVAILABLE, |
| 684 | pData->numResults)) { |
| 685 | hddLog(LOGE, FL("put fail")); |
| 686 | goto fail; |
| 687 | } |
| 688 | |
| 689 | if (pData->numResults) { |
| 690 | struct nlattr *aps; |
| 691 | |
| 692 | aps = nla_nest_start(skb, |
| 693 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_RESULTS_LIST); |
| 694 | if (!aps) |
| 695 | goto fail; |
| 696 | |
| 697 | ap_info = &pData->ap[0]; |
| 698 | for (i = 0; i < pData->numResults; i++) { |
| 699 | struct nlattr *ap; |
| 700 | |
| 701 | ap = nla_nest_start(skb, i); |
| 702 | if (!ap) |
| 703 | goto fail; |
| 704 | |
| 705 | if (nla_put(skb, |
| 706 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_RESULTS_SIGNIFICANT_CHANGE_RESULT_BSSID, |
| 707 | CDF_MAC_ADDR_SIZE, ap_info->bssid.bytes) || |
| 708 | nla_put_u32(skb, |
| 709 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_RESULTS_SIGNIFICANT_CHANGE_RESULT_CHANNEL, |
| 710 | ap_info->channel) || |
| 711 | nla_put_u32(skb, |
| 712 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_RESULTS_SIGNIFICANT_CHANGE_RESULT_NUM_RSSI, |
| 713 | ap_info->numOfRssi) || |
| 714 | nla_put(skb, |
| 715 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_RESULTS_SIGNIFICANT_CHANGE_RESULT_RSSI_LIST, |
| 716 | sizeof(s32) * ap_info->numOfRssi, |
| 717 | &(ap_info)->rssi[0])) |
| 718 | goto fail; |
| 719 | |
| 720 | nla_nest_end(skb, ap); |
| 721 | |
| 722 | ap_info += ap_info->numOfRssi * sizeof(*rssi); |
| 723 | } |
| 724 | nla_nest_end(skb, aps); |
| 725 | |
| 726 | if (nla_put_u8(skb, |
| 727 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_RESULTS_SCAN_RESULT_MORE_DATA, |
| 728 | pData->moreData)) |
| 729 | goto fail; |
| 730 | } |
| 731 | |
| 732 | cfg80211_vendor_event(skb, GFP_KERNEL); |
| 733 | return; |
| 734 | |
| 735 | fail: |
| 736 | kfree_skb(skb); |
| 737 | return; |
| 738 | |
| 739 | } |
| 740 | |
| 741 | /** |
| 742 | * wlan_hdd_cfg80211_extscan_full_scan_result_event() - full scan result event |
| 743 | * @ctx: Pointer to hdd context |
| 744 | * @pData: Pointer to full scan result event |
| 745 | * |
| 746 | * Return: none |
| 747 | */ |
| 748 | static void |
| 749 | wlan_hdd_cfg80211_extscan_full_scan_result_event(void *ctx, |
| 750 | tpSirWifiFullScanResultEvent |
| 751 | pData) |
| 752 | { |
| 753 | hdd_context_t *pHddCtx = (hdd_context_t *) ctx; |
| 754 | struct sk_buff *skb = NULL; |
| 755 | #ifdef CONFIG_CNSS |
| 756 | struct timespec ts; |
| 757 | #endif |
| 758 | |
| 759 | ENTER(); |
| 760 | |
| 761 | if (wlan_hdd_validate_context(pHddCtx) || !pData) { |
| 762 | hddLog(LOGE, FL("HDD ctx invalid or pData(%p) is null"), pData); |
| 763 | return; |
| 764 | } |
| 765 | |
| 766 | if ((sizeof(*pData) + pData->ap.ieLength) >= EXTSCAN_EVENT_BUF_SIZE) { |
| 767 | hddLog(LOGE, |
| 768 | FL("Frame exceeded NL size limitation, drop it!!")); |
| 769 | return; |
| 770 | } |
| 771 | skb = cfg80211_vendor_event_alloc( |
| 772 | pHddCtx->wiphy, |
| 773 | NULL, |
| 774 | EXTSCAN_EVENT_BUF_SIZE + NLMSG_HDRLEN, |
| 775 | QCA_NL80211_VENDOR_SUBCMD_EXTSCAN_FULL_SCAN_RESULT_INDEX, |
| 776 | GFP_KERNEL); |
| 777 | |
| 778 | if (!skb) { |
| 779 | hddLog(LOGE, FL("cfg80211_vendor_event_alloc failed")); |
| 780 | return; |
| 781 | } |
| 782 | |
| 783 | pData->ap.channel = cds_chan_to_freq(pData->ap.channel); |
| 784 | #ifdef CONFIG_CNSS |
| 785 | /* Android does not want the time stamp from the frame. |
| 786 | Instead it wants a monotonic increasing value since boot */ |
| 787 | cnss_get_monotonic_boottime(&ts); |
| 788 | pData->ap.ts = ((u64)ts.tv_sec * 1000000) + (ts.tv_nsec / 1000); |
| 789 | #endif |
| 790 | hddLog(LOG1, "Req Id %u More Data %u", pData->requestId, |
| 791 | pData->moreData); |
| 792 | hddLog(LOG1, "AP Info: Timestamp %llu Ssid: %s " |
| 793 | "Bssid (" MAC_ADDRESS_STR ") " |
| 794 | "Channel %u " |
| 795 | "Rssi %d " |
| 796 | "RTT %u " |
| 797 | "RTT_SD %u " |
| 798 | "Bcn Period %d " |
| 799 | "Capability 0x%X " |
| 800 | "IE Length %d", |
| 801 | pData->ap.ts, |
| 802 | pData->ap.ssid, |
| 803 | MAC_ADDR_ARRAY(pData->ap.bssid.bytes), |
| 804 | pData->ap.channel, |
| 805 | pData->ap.rssi, |
| 806 | pData->ap.rtt, |
| 807 | pData->ap.rtt_sd, |
| 808 | pData->ap.beaconPeriod, |
| 809 | pData->ap.capability, pData->ap.ieLength); |
| 810 | |
| 811 | if (nla_put_u32(skb, |
| 812 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_RESULTS_REQUEST_ID, |
| 813 | pData->requestId) || |
| 814 | nla_put_u64(skb, |
| 815 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_RESULTS_SCAN_RESULT_TIME_STAMP, |
| 816 | pData->ap.ts) || |
| 817 | nla_put(skb, |
| 818 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_RESULTS_SCAN_RESULT_SSID, |
| 819 | sizeof(pData->ap.ssid), |
| 820 | pData->ap.ssid) || |
| 821 | nla_put(skb, QCA_WLAN_VENDOR_ATTR_EXTSCAN_RESULTS_SCAN_RESULT_BSSID, |
| 822 | sizeof(pData->ap.bssid), |
| 823 | pData->ap.bssid.bytes) || |
| 824 | nla_put_u32(skb, |
| 825 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_RESULTS_SCAN_RESULT_CHANNEL, |
| 826 | pData->ap.channel) || |
| 827 | nla_put_s32(skb, |
| 828 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_RESULTS_SCAN_RESULT_RSSI, |
| 829 | pData->ap.rssi) || |
| 830 | nla_put_u32(skb, |
| 831 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_RESULTS_SCAN_RESULT_RTT, |
| 832 | pData->ap.rtt) || |
| 833 | nla_put_u32(skb, |
| 834 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_RESULTS_SCAN_RESULT_RTT_SD, |
| 835 | pData->ap.rtt_sd) || |
| 836 | nla_put_u16(skb, |
| 837 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_RESULTS_SCAN_RESULT_BEACON_PERIOD, |
| 838 | pData->ap.beaconPeriod) || |
| 839 | nla_put_u16(skb, |
| 840 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_RESULTS_SCAN_RESULT_CAPABILITY, |
| 841 | pData->ap.capability) || |
| 842 | nla_put_u32(skb, |
| 843 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_RESULTS_SCAN_RESULT_IE_LENGTH, |
| 844 | pData->ap.ieLength) || |
| 845 | nla_put_u8(skb, |
| 846 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_RESULTS_SCAN_RESULT_MORE_DATA, |
| 847 | pData->moreData)) { |
| 848 | hddLog(LOGE, FL("nla put fail")); |
| 849 | goto nla_put_failure; |
| 850 | } |
| 851 | |
| 852 | if (pData->ap.ieLength) { |
| 853 | if (nla_put(skb, |
| 854 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_RESULTS_SCAN_RESULT_IE_DATA, |
| 855 | pData->ap.ieLength, pData->ap.ieData)) |
| 856 | goto nla_put_failure; |
| 857 | } |
| 858 | |
| 859 | cfg80211_vendor_event(skb, GFP_KERNEL); |
| 860 | return; |
| 861 | |
| 862 | nla_put_failure: |
| 863 | kfree_skb(skb); |
| 864 | return; |
| 865 | } |
| 866 | |
| 867 | /** |
| 868 | * wlan_hdd_cfg80211_extscan_scan_res_available_event() - scan result event |
| 869 | * @ctx: Pointer to hdd context |
| 870 | * @pData: Pointer to scan results available indication param |
| 871 | * |
| 872 | * Return: none |
| 873 | */ |
| 874 | static void |
| 875 | wlan_hdd_cfg80211_extscan_scan_res_available_event( |
| 876 | void *ctx, |
| 877 | tpSirExtScanResultsAvailableIndParams pData) |
| 878 | { |
| 879 | hdd_context_t *pHddCtx = (hdd_context_t *) ctx; |
| 880 | struct sk_buff *skb = NULL; |
| 881 | |
| 882 | ENTER(); |
| 883 | |
| 884 | if (wlan_hdd_validate_context(pHddCtx) || !pData) { |
| 885 | hddLog(LOGE, FL("HDD ctx invalid or pData(%p) is null"), pData); |
| 886 | return; |
| 887 | } |
| 888 | |
| 889 | skb = cfg80211_vendor_event_alloc( |
| 890 | pHddCtx->wiphy, |
| 891 | NULL, |
| 892 | EXTSCAN_EVENT_BUF_SIZE + NLMSG_HDRLEN, |
| 893 | QCA_NL80211_VENDOR_SUBCMD_EXTSCAN_SCAN_RESULTS_AVAILABLE_INDEX, |
| 894 | GFP_KERNEL); |
| 895 | |
| 896 | if (!skb) { |
| 897 | hddLog(LOGE, FL("cfg80211_vendor_event_alloc failed")); |
| 898 | return; |
| 899 | } |
| 900 | |
| 901 | hddLog(LOG1, "Req Id %u Num results %u", |
| 902 | pData->requestId, pData->numResultsAvailable); |
| 903 | if (nla_put_u32(skb, |
| 904 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_RESULTS_REQUEST_ID, |
| 905 | pData->requestId) || |
| 906 | nla_put_u32(skb, |
| 907 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_NUM_RESULTS_AVAILABLE, |
| 908 | pData->numResultsAvailable)) { |
| 909 | hddLog(LOGE, FL("nla put fail")); |
| 910 | goto nla_put_failure; |
| 911 | } |
| 912 | |
| 913 | cfg80211_vendor_event(skb, GFP_KERNEL); |
| 914 | return; |
| 915 | |
| 916 | nla_put_failure: |
| 917 | kfree_skb(skb); |
| 918 | return; |
| 919 | } |
| 920 | |
| 921 | /** |
| 922 | * wlan_hdd_cfg80211_extscan_scan_progress_event() - scan progress event |
| 923 | * @ctx: Pointer to hdd context |
| 924 | * @pData: Pointer to scan event indication param |
| 925 | * |
| 926 | * Return: none |
| 927 | */ |
| 928 | static void |
| 929 | wlan_hdd_cfg80211_extscan_scan_progress_event(void *ctx, |
| 930 | tpSirExtScanOnScanEventIndParams |
| 931 | pData) |
| 932 | { |
| 933 | hdd_context_t *pHddCtx = (hdd_context_t *) ctx; |
| 934 | struct sk_buff *skb = NULL; |
| 935 | |
| 936 | ENTER(); |
| 937 | |
| 938 | if (wlan_hdd_validate_context(pHddCtx) || !pData) { |
| 939 | hddLog(LOGE, FL("HDD ctx invalid or pData(%p) is null"), pData); |
| 940 | return; |
| 941 | } |
| 942 | |
| 943 | skb = cfg80211_vendor_event_alloc( |
| 944 | pHddCtx->wiphy, |
| 945 | NULL, |
| 946 | EXTSCAN_EVENT_BUF_SIZE + NLMSG_HDRLEN, |
| 947 | QCA_NL80211_VENDOR_SUBCMD_EXTSCAN_SCAN_EVENT_INDEX, |
| 948 | GFP_KERNEL); |
| 949 | |
| 950 | if (!skb) { |
| 951 | hddLog(LOGE, FL("cfg80211_vendor_event_alloc failed")); |
| 952 | return; |
| 953 | } |
| 954 | hddLog(LOG1, "Req Id %u Scan event type %u Scan event status %u", |
| 955 | pData->requestId, pData->scanEventType, pData->status); |
| 956 | |
| 957 | if (nla_put_u32(skb, QCA_WLAN_VENDOR_ATTR_EXTSCAN_RESULTS_REQUEST_ID, |
| 958 | pData->requestId) || |
| 959 | nla_put_u8(skb, |
| 960 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_RESULTS_SCAN_EVENT_TYPE, |
| 961 | pData->scanEventType) || |
| 962 | nla_put_u32(skb, |
| 963 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_RESULTS_SCAN_EVENT_STATUS, |
| 964 | pData->status)) { |
| 965 | hddLog(LOGE, FL("nla put fail")); |
| 966 | goto nla_put_failure; |
| 967 | } |
| 968 | |
| 969 | cfg80211_vendor_event(skb, GFP_KERNEL); |
| 970 | return; |
| 971 | |
| 972 | nla_put_failure: |
| 973 | kfree_skb(skb); |
| 974 | return; |
| 975 | } |
| 976 | |
| 977 | /** |
| 978 | * wlan_hdd_cfg80211_extscan_epno_match_found() - pno match found |
| 979 | * @hddctx: HDD context |
| 980 | * @data: matched network data |
| 981 | * |
| 982 | * This function reads the matched network data and fills NL vendor attributes |
| 983 | * and send it to upper layer. |
| 984 | * |
| 985 | * Return: 0 on success, error number otherwise |
| 986 | */ |
| 987 | static void |
| 988 | wlan_hdd_cfg80211_extscan_epno_match_found(void *ctx, |
| 989 | struct pno_match_found *data) |
| 990 | { |
| 991 | hdd_context_t *pHddCtx = (hdd_context_t *)ctx; |
| 992 | struct sk_buff *skb = NULL; |
| 993 | uint32_t len, i; |
| 994 | |
| 995 | ENTER(); |
| 996 | |
| 997 | if (wlan_hdd_validate_context(pHddCtx) || !data) { |
| 998 | hddLog(LOGE, FL("HDD context is invalid or data(%p) is null"), |
| 999 | data); |
| 1000 | return; |
| 1001 | } |
| 1002 | |
| 1003 | /* |
| 1004 | * If the number of match found APs including IE data exceeds NL 4K size |
| 1005 | * limitation, drop that beacon/probe rsp frame. |
| 1006 | */ |
| 1007 | len = sizeof(*data) + |
| 1008 | (data->num_results + sizeof(tSirWifiScanResult)); |
| 1009 | for (i = 0; i < data->num_results; i++) |
| 1010 | len += data->ap[i].ieLength; |
| 1011 | |
| 1012 | if (len >= EXTSCAN_EVENT_BUF_SIZE) { |
| 1013 | hddLog(LOGE, FL("Frame exceeded NL size limitation, drop it!")); |
| 1014 | return; |
| 1015 | } |
| 1016 | |
| 1017 | skb = cfg80211_vendor_event_alloc(pHddCtx->wiphy, |
| 1018 | NULL, |
| 1019 | EXTSCAN_EVENT_BUF_SIZE + NLMSG_HDRLEN, |
| 1020 | QCA_NL80211_VENDOR_SUBCMD_EXTSCAN_PNO_NETWORK_FOUND_INDEX, |
| 1021 | GFP_KERNEL); |
| 1022 | |
| 1023 | if (!skb) { |
| 1024 | hddLog(LOGE, FL("cfg80211_vendor_event_alloc failed")); |
| 1025 | return; |
| 1026 | } |
| 1027 | |
| 1028 | hddLog(LOG1, "Req Id %u More Data %u num_results %d", |
| 1029 | data->request_id, data->more_data, data->num_results); |
| 1030 | for (i = 0; i < data->num_results; i++) { |
| 1031 | data->ap[i].channel = cds_chan_to_freq(data->ap[i].channel); |
| 1032 | hddLog(LOG1, "AP Info: Timestamp %llu) Ssid: %s " |
| 1033 | "Bssid (" MAC_ADDRESS_STR ") " |
| 1034 | "Channel %u " |
| 1035 | "Rssi %d " |
| 1036 | "RTT %u " |
| 1037 | "RTT_SD %u " |
| 1038 | "Bcn Period %d " |
| 1039 | "Capability 0x%X " |
| 1040 | "IE Length %d", |
| 1041 | data->ap[i].ts, |
| 1042 | data->ap[i].ssid, |
| 1043 | MAC_ADDR_ARRAY(data->ap[i].bssid.bytes), |
| 1044 | data->ap[i].channel, |
| 1045 | data->ap[i].rssi, |
| 1046 | data->ap[i].rtt, |
| 1047 | data->ap[i].rtt_sd, |
| 1048 | data->ap[i].beaconPeriod, |
| 1049 | data->ap[i].capability, |
| 1050 | data->ap[i].ieLength); |
| 1051 | } |
| 1052 | |
| 1053 | if (nla_put_u32(skb, QCA_WLAN_VENDOR_ATTR_EXTSCAN_RESULTS_REQUEST_ID, |
| 1054 | data->request_id) || |
| 1055 | nla_put_u32(skb, |
| 1056 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_NUM_RESULTS_AVAILABLE, |
| 1057 | data->num_results) || |
| 1058 | nla_put_u8(skb, |
| 1059 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_RESULTS_SCAN_RESULT_MORE_DATA, |
| 1060 | data->more_data)) { |
| 1061 | hddLog(LOGE, FL("nla put fail")); |
| 1062 | goto fail; |
| 1063 | } |
| 1064 | |
| 1065 | if (data->num_results) { |
| 1066 | struct nlattr *nla_aps; |
| 1067 | nla_aps = nla_nest_start(skb, |
| 1068 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_RESULTS_LIST); |
| 1069 | if (!nla_aps) |
| 1070 | goto fail; |
| 1071 | |
| 1072 | for (i = 0; i < data->num_results; i++) { |
| 1073 | if (hdd_extscan_nl_fill_bss(skb, &data->ap[i], i)) |
| 1074 | goto fail; |
| 1075 | } |
| 1076 | nla_nest_end(skb, nla_aps); |
| 1077 | } |
| 1078 | |
| 1079 | cfg80211_vendor_event(skb, GFP_KERNEL); |
| 1080 | return; |
| 1081 | |
| 1082 | fail: |
| 1083 | kfree_skb(skb); |
| 1084 | return; |
| 1085 | } |
| 1086 | |
| 1087 | /** |
| 1088 | * wlan_hdd_cfg80211_passpoint_match_found() - passpoint match found |
| 1089 | * @hddctx: HDD context |
| 1090 | * @data: matched network data |
| 1091 | * |
| 1092 | * This function reads the match network %data and fill in the skb with |
| 1093 | * NL attributes and send up the NL event |
| 1094 | * |
| 1095 | * Return: none |
| 1096 | */ |
| 1097 | static void |
| 1098 | wlan_hdd_cfg80211_passpoint_match_found(void *ctx, |
| 1099 | struct wifi_passpoint_match *data) |
| 1100 | { |
| 1101 | hdd_context_t *pHddCtx = ctx; |
| 1102 | struct sk_buff *skb = NULL; |
| 1103 | uint32_t len, i, num_matches = 1, more_data = 0; |
| 1104 | struct nlattr *nla_aps; |
| 1105 | struct nlattr *nla_bss; |
| 1106 | |
| 1107 | ENTER(); |
| 1108 | |
| 1109 | if (wlan_hdd_validate_context(pHddCtx) || !data) { |
| 1110 | hddLog(LOGE, FL("HDD context is invalid or data(%p) is null"), |
| 1111 | data); |
| 1112 | return; |
| 1113 | } |
| 1114 | |
| 1115 | len = sizeof(*data) + data->ap.ieLength + data->anqp_len; |
| 1116 | if (len >= EXTSCAN_EVENT_BUF_SIZE) { |
| 1117 | hddLog(LOGE, FL("Result exceeded NL size limitation, drop it")); |
| 1118 | return; |
| 1119 | } |
| 1120 | |
| 1121 | skb = cfg80211_vendor_event_alloc(pHddCtx->wiphy, |
| 1122 | NULL, |
| 1123 | EXTSCAN_EVENT_BUF_SIZE + NLMSG_HDRLEN, |
| 1124 | QCA_NL80211_VENDOR_SUBCMD_EXTSCAN_PNO_PASSPOINT_NETWORK_FOUND_INDEX, |
| 1125 | GFP_KERNEL); |
| 1126 | |
| 1127 | if (!skb) { |
| 1128 | hddLog(LOGE, FL("cfg80211_vendor_event_alloc failed")); |
| 1129 | return; |
| 1130 | } |
| 1131 | |
| 1132 | hddLog(LOG1, "Req Id %u Id %u ANQP length %u num_matches %u", |
| 1133 | data->request_id, data->id, data->anqp_len, num_matches); |
| 1134 | for (i = 0; i < num_matches; i++) { |
| 1135 | hddLog(LOG1, "AP Info: Timestamp %llu Ssid: %s " |
| 1136 | "Bssid (" MAC_ADDRESS_STR ") " |
| 1137 | "Channel %u " |
| 1138 | "Rssi %d " |
| 1139 | "RTT %u " |
| 1140 | "RTT_SD %u " |
| 1141 | "Bcn Period %d " |
| 1142 | "Capability 0x%X " |
| 1143 | "IE Length %d", |
| 1144 | data->ap.ts, |
| 1145 | data->ap.ssid, |
| 1146 | MAC_ADDR_ARRAY(data->ap.bssid.bytes), |
| 1147 | data->ap.channel, |
| 1148 | data->ap.rssi, |
| 1149 | data->ap.rtt, |
| 1150 | data->ap.rtt_sd, |
| 1151 | data->ap.beaconPeriod, |
| 1152 | data->ap.capability, |
| 1153 | data->ap.ieLength); |
| 1154 | } |
| 1155 | |
| 1156 | if (nla_put_u32(skb, QCA_WLAN_VENDOR_ATTR_EXTSCAN_RESULTS_REQUEST_ID, |
| 1157 | data->request_id) || |
| 1158 | nla_put_u32(skb, |
| 1159 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_PNO_RESULTS_PASSPOINT_NETWORK_FOUND_NUM_MATCHES, |
| 1160 | num_matches) || |
| 1161 | nla_put_u8(skb, |
| 1162 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_RESULTS_SCAN_RESULT_MORE_DATA, |
| 1163 | more_data)) { |
| 1164 | hddLog(LOGE, FL("nla put fail")); |
| 1165 | goto fail; |
| 1166 | } |
| 1167 | |
| 1168 | nla_aps = nla_nest_start(skb, |
| 1169 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_PNO_RESULTS_PASSPOINT_MATCH_RESULT_LIST); |
| 1170 | if (!nla_aps) |
| 1171 | goto fail; |
| 1172 | |
| 1173 | for (i = 0; i < num_matches; i++) { |
| 1174 | struct nlattr *nla_ap; |
| 1175 | |
| 1176 | nla_ap = nla_nest_start(skb, i); |
| 1177 | if (!nla_ap) |
| 1178 | goto fail; |
| 1179 | |
| 1180 | if (nla_put_u32(skb, |
| 1181 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_PNO_RESULTS_PASSPOINT_MATCH_ID, |
| 1182 | data->id) || |
| 1183 | nla_put_u32(skb, |
| 1184 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_PNO_RESULTS_PASSPOINT_MATCH_ANQP_LEN, |
| 1185 | data->anqp_len)) { |
| 1186 | goto fail; |
| 1187 | } |
| 1188 | |
| 1189 | if (data->anqp_len) |
| 1190 | if (nla_put(skb, |
| 1191 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_PNO_RESULTS_PASSPOINT_MATCH_ANQP, |
| 1192 | data->anqp_len, data->anqp)) |
| 1193 | goto fail; |
| 1194 | |
| 1195 | nla_bss = nla_nest_start(skb, |
| 1196 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_RESULTS_LIST); |
| 1197 | if (!nla_bss) |
| 1198 | goto fail; |
| 1199 | |
| 1200 | if (hdd_extscan_nl_fill_bss(skb, &data->ap, 0)) |
| 1201 | goto fail; |
| 1202 | |
| 1203 | nla_nest_end(skb, nla_bss); |
| 1204 | nla_nest_end(skb, nla_ap); |
| 1205 | } |
| 1206 | nla_nest_end(skb, nla_aps); |
| 1207 | |
| 1208 | cfg80211_vendor_event(skb, GFP_KERNEL); |
| 1209 | return; |
| 1210 | |
| 1211 | fail: |
| 1212 | kfree_skb(skb); |
| 1213 | return; |
| 1214 | } |
| 1215 | |
| 1216 | /** |
| 1217 | * wlan_hdd_cfg80211_extscan_hotlist_ssid_match_ind() - |
| 1218 | * Handle an SSID hotlist match event |
| 1219 | * @ctx: HDD context registered with SME |
| 1220 | * @event: The SSID hotlist match event |
| 1221 | * |
| 1222 | * This function will take an SSID match event that was generated by |
| 1223 | * firmware and will convert it into a cfg80211 vendor event which is |
| 1224 | * sent to userspace. |
| 1225 | * |
| 1226 | * Return: none |
| 1227 | */ |
| 1228 | static void |
| 1229 | wlan_hdd_cfg80211_extscan_hotlist_ssid_match_ind(void *ctx, |
| 1230 | tpSirWifiScanResultEvent event) |
| 1231 | { |
| 1232 | hdd_context_t *hdd_ctx = ctx; |
| 1233 | struct sk_buff *skb; |
| 1234 | uint32_t i, index; |
| 1235 | |
| 1236 | ENTER(); |
| 1237 | |
| 1238 | if (wlan_hdd_validate_context(hdd_ctx) || !event) { |
| 1239 | hddLog(LOGE, |
| 1240 | FL("HDD context is not valid or event(%p) is null"), |
| 1241 | event); |
| 1242 | return; |
| 1243 | } |
| 1244 | |
| 1245 | if (event->ap_found) { |
| 1246 | index = QCA_NL80211_VENDOR_SUBCMD_EXTSCAN_HOTLIST_SSID_FOUND_INDEX; |
| 1247 | hddLog(LOG1, "SSID hotlist found"); |
| 1248 | } else { |
| 1249 | index = QCA_NL80211_VENDOR_SUBCMD_EXTSCAN_HOTLIST_SSID_LOST_INDEX; |
| 1250 | hddLog(LOG1, "SSID hotlist lost"); |
| 1251 | } |
| 1252 | |
| 1253 | skb = cfg80211_vendor_event_alloc(hdd_ctx->wiphy, |
| 1254 | NULL, |
| 1255 | EXTSCAN_EVENT_BUF_SIZE + NLMSG_HDRLEN, |
| 1256 | index, |
| 1257 | GFP_KERNEL); |
| 1258 | |
| 1259 | if (!skb) { |
| 1260 | hddLog(LOGE, FL("cfg80211_vendor_event_alloc failed")); |
| 1261 | return; |
| 1262 | } |
| 1263 | hddLog(LOG1, "Req Id %u, Num results %u, More Data %u", |
| 1264 | event->requestId, event->numOfAps, event->moreData); |
| 1265 | |
| 1266 | for (i = 0; i < event->numOfAps; i++) { |
| 1267 | hddLog(LOG1, "[i=%d] Timestamp %llu " |
| 1268 | "Ssid: %s " |
| 1269 | "Bssid (" MAC_ADDRESS_STR ") " |
| 1270 | "Channel %u " |
| 1271 | "Rssi %d " |
| 1272 | "RTT %u " |
| 1273 | "RTT_SD %u", |
| 1274 | i, |
| 1275 | event->ap[i].ts, |
| 1276 | event->ap[i].ssid, |
| 1277 | MAC_ADDR_ARRAY(event->ap[i].bssid.bytes), |
| 1278 | event->ap[i].channel, |
| 1279 | event->ap[i].rssi, |
| 1280 | event->ap[i].rtt, |
| 1281 | event->ap[i].rtt_sd); |
| 1282 | } |
| 1283 | |
| 1284 | if (nla_put_u32(skb, |
| 1285 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_RESULTS_REQUEST_ID, |
| 1286 | event->requestId) || |
| 1287 | nla_put_u32(skb, |
| 1288 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_NUM_RESULTS_AVAILABLE, |
| 1289 | event->numOfAps)) { |
| 1290 | hddLog(LOGE, FL("put fail")); |
| 1291 | goto fail; |
| 1292 | } |
| 1293 | |
| 1294 | if (event->numOfAps) { |
| 1295 | struct nlattr *aps; |
| 1296 | aps = nla_nest_start(skb, |
| 1297 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_RESULTS_LIST); |
| 1298 | if (!aps) { |
| 1299 | hddLog(LOGE, FL("nest fail")); |
| 1300 | goto fail; |
| 1301 | } |
| 1302 | |
| 1303 | for (i = 0; i < event->numOfAps; i++) { |
| 1304 | struct nlattr *ap; |
| 1305 | |
| 1306 | ap = nla_nest_start(skb, i); |
| 1307 | if (!ap) { |
| 1308 | hddLog(LOGE, FL("nest fail")); |
| 1309 | goto fail; |
| 1310 | } |
| 1311 | |
| 1312 | if (nla_put_u64(skb, |
| 1313 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_RESULTS_SCAN_RESULT_TIME_STAMP, |
| 1314 | event->ap[i].ts) || |
| 1315 | nla_put(skb, |
| 1316 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_RESULTS_SCAN_RESULT_SSID, |
| 1317 | sizeof(event->ap[i].ssid), |
| 1318 | event->ap[i].ssid) || |
| 1319 | nla_put(skb, |
| 1320 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_RESULTS_SCAN_RESULT_BSSID, |
| 1321 | sizeof(event->ap[i].bssid), |
| 1322 | event->ap[i].bssid.bytes) || |
| 1323 | nla_put_u32(skb, |
| 1324 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_RESULTS_SCAN_RESULT_CHANNEL, |
| 1325 | event->ap[i].channel) || |
| 1326 | nla_put_s32(skb, |
| 1327 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_RESULTS_SCAN_RESULT_RSSI, |
| 1328 | event->ap[i].rssi) || |
| 1329 | nla_put_u32(skb, |
| 1330 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_RESULTS_SCAN_RESULT_RTT, |
| 1331 | event->ap[i].rtt) || |
| 1332 | nla_put_u32(skb, |
| 1333 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_RESULTS_SCAN_RESULT_RTT_SD, |
| 1334 | event->ap[i].rtt_sd)) { |
| 1335 | hddLog(LOGE, FL("put fail")); |
| 1336 | goto fail; |
| 1337 | } |
| 1338 | nla_nest_end(skb, ap); |
| 1339 | } |
| 1340 | nla_nest_end(skb, aps); |
| 1341 | |
| 1342 | if (nla_put_u8(skb, |
| 1343 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_RESULTS_SCAN_RESULT_MORE_DATA, |
| 1344 | event->moreData)) { |
| 1345 | hddLog(LOGE, FL("put fail")); |
| 1346 | goto fail; |
| 1347 | } |
| 1348 | } |
| 1349 | |
| 1350 | cfg80211_vendor_event(skb, GFP_KERNEL); |
| 1351 | return; |
| 1352 | |
| 1353 | fail: |
| 1354 | kfree_skb(skb); |
| 1355 | return; |
| 1356 | } |
| 1357 | |
| 1358 | /** |
| 1359 | * wlan_hdd_cfg80211_extscan_generic_rsp() - |
| 1360 | * Handle a generic ExtScan Response message |
| 1361 | * @ctx: HDD context registered with SME |
| 1362 | * @response: The ExtScan response from firmware |
| 1363 | * |
| 1364 | * This function will handle a generic ExtScan response message from |
| 1365 | * firmware and will communicate the result to the userspace thread |
| 1366 | * that is waiting for the response. |
| 1367 | * |
| 1368 | * Return: none |
| 1369 | */ |
| 1370 | static void |
| 1371 | wlan_hdd_cfg80211_extscan_generic_rsp |
| 1372 | (void *ctx, |
| 1373 | struct sir_extscan_generic_response *response) |
| 1374 | { |
| 1375 | hdd_context_t *hdd_ctx = ctx; |
| 1376 | struct hdd_ext_scan_context *context; |
| 1377 | |
| 1378 | ENTER(); |
| 1379 | |
| 1380 | if (wlan_hdd_validate_context(hdd_ctx) || !response) { |
| 1381 | hddLog(LOGE, |
| 1382 | FL("HDD context is not valid or response(%p) is null"), |
| 1383 | response); |
| 1384 | return; |
| 1385 | } |
| 1386 | |
| 1387 | hddLog(LOG1, FL("request %u status %u"), |
| 1388 | response->request_id, response->status); |
| 1389 | |
| 1390 | context = &ext_scan_context; |
| 1391 | spin_lock(&context->context_lock); |
| 1392 | if (context->request_id == response->request_id) { |
| 1393 | context->response_status = response->status ? -EINVAL : 0; |
| 1394 | complete(&context->response_event); |
| 1395 | } |
| 1396 | spin_unlock(&context->context_lock); |
| 1397 | |
| 1398 | return; |
| 1399 | } |
| 1400 | |
| 1401 | /** |
| 1402 | * wlan_hdd_cfg80211_extscan_callback() - ext scan callback |
| 1403 | * @ctx: Pointer to hdd context |
| 1404 | * @evType: Event type |
| 1405 | * @pMag: Pointer to message |
| 1406 | * |
| 1407 | * Return: none |
| 1408 | */ |
| 1409 | void wlan_hdd_cfg80211_extscan_callback(void *ctx, const uint16_t evType, |
| 1410 | void *pMsg) |
| 1411 | { |
| 1412 | hdd_context_t *pHddCtx = (hdd_context_t *) ctx; |
| 1413 | |
| 1414 | if (wlan_hdd_validate_context(pHddCtx)) { |
| 1415 | hddLog(LOGE, FL("HDD ctx invalid received event: %d"), evType); |
| 1416 | return; |
| 1417 | } |
| 1418 | |
| 1419 | hddLog(LOG1, FL("Rcvd Event %d"), evType); |
| 1420 | |
| 1421 | switch (evType) { |
| 1422 | case eSIR_EXTSCAN_CACHED_RESULTS_RSP: |
| 1423 | /* There is no need to send this response to upper layer |
| 1424 | Just log the message */ |
| 1425 | hddLog(LOG1, |
| 1426 | FL("Rcvd eSIR_EXTSCAN_CACHED_RESULTS_RSP")); |
| 1427 | break; |
| 1428 | |
| 1429 | case eSIR_EXTSCAN_GET_CAPABILITIES_IND: |
| 1430 | wlan_hdd_cfg80211_extscan_get_capabilities_rsp(ctx, |
| 1431 | (struct ext_scan_capabilities_response *) pMsg); |
| 1432 | break; |
| 1433 | |
| 1434 | case eSIR_EXTSCAN_HOTLIST_MATCH_IND: |
| 1435 | wlan_hdd_cfg80211_extscan_hotlist_match_ind(ctx, pMsg); |
| 1436 | break; |
| 1437 | |
| 1438 | case eSIR_EXTSCAN_SIGNIFICANT_WIFI_CHANGE_RESULTS_IND: |
| 1439 | wlan_hdd_cfg80211_extscan_signif_wifi_change_results_ind(ctx, |
| 1440 | (tpSirWifiSignificantChangeEvent) pMsg); |
| 1441 | break; |
| 1442 | |
| 1443 | case eSIR_EXTSCAN_CACHED_RESULTS_IND: |
| 1444 | wlan_hdd_cfg80211_extscan_cached_results_ind(ctx, pMsg); |
| 1445 | break; |
| 1446 | |
| 1447 | case eSIR_EXTSCAN_SCAN_RES_AVAILABLE_IND: |
| 1448 | wlan_hdd_cfg80211_extscan_scan_res_available_event(ctx, |
| 1449 | (tpSirExtScanResultsAvailableIndParams) pMsg); |
| 1450 | break; |
| 1451 | |
| 1452 | case eSIR_EXTSCAN_FULL_SCAN_RESULT_IND: |
| 1453 | wlan_hdd_cfg80211_extscan_full_scan_result_event(ctx, |
| 1454 | (tpSirWifiFullScanResultEvent) pMsg); |
| 1455 | break; |
| 1456 | |
| 1457 | case eSIR_EPNO_NETWORK_FOUND_IND: |
| 1458 | wlan_hdd_cfg80211_extscan_epno_match_found(ctx, |
| 1459 | (struct pno_match_found *)pMsg); |
| 1460 | break; |
| 1461 | |
| 1462 | case eSIR_EXTSCAN_HOTLIST_SSID_MATCH_IND: |
| 1463 | wlan_hdd_cfg80211_extscan_hotlist_ssid_match_ind(ctx, |
| 1464 | (tpSirWifiScanResultEvent)pMsg); |
| 1465 | break; |
| 1466 | |
| 1467 | case eSIR_EXTSCAN_SCAN_PROGRESS_EVENT_IND: |
| 1468 | wlan_hdd_cfg80211_extscan_scan_progress_event(ctx, |
| 1469 | (tpSirExtScanOnScanEventIndParams) pMsg); |
| 1470 | break; |
| 1471 | |
| 1472 | case eSIR_PASSPOINT_NETWORK_FOUND_IND: |
| 1473 | wlan_hdd_cfg80211_passpoint_match_found(ctx, |
| 1474 | (struct wifi_passpoint_match *) pMsg); |
| 1475 | break; |
| 1476 | |
| 1477 | case eSIR_EXTSCAN_START_RSP: |
| 1478 | case eSIR_EXTSCAN_STOP_RSP: |
| 1479 | case eSIR_EXTSCAN_SET_BSSID_HOTLIST_RSP: |
| 1480 | case eSIR_EXTSCAN_RESET_BSSID_HOTLIST_RSP: |
| 1481 | case eSIR_EXTSCAN_SET_SIGNIFICANT_WIFI_CHANGE_RSP: |
| 1482 | case eSIR_EXTSCAN_RESET_SIGNIFICANT_WIFI_CHANGE_RSP: |
| 1483 | case eSIR_EXTSCAN_SET_SSID_HOTLIST_RSP: |
| 1484 | case eSIR_EXTSCAN_RESET_SSID_HOTLIST_RSP: |
| 1485 | wlan_hdd_cfg80211_extscan_generic_rsp(ctx, pMsg); |
| 1486 | break; |
| 1487 | |
| 1488 | default: |
| 1489 | hddLog(LOGE, FL("Unknown event type %u"), evType); |
| 1490 | break; |
| 1491 | } |
| 1492 | } |
| 1493 | |
| 1494 | /* |
| 1495 | * define short names for the global vendor params |
| 1496 | * used by wlan_hdd_send_ext_scan_capability() |
| 1497 | */ |
| 1498 | #define PARAM_REQUEST_ID \ |
| 1499 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_SUBCMD_CONFIG_PARAM_REQUEST_ID |
| 1500 | #define PARAM_STATUS \ |
| 1501 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_STATUS |
| 1502 | #define MAX_SCAN_CACHE_SIZE \ |
| 1503 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_RESULTS_CAPABILITIES_MAX_SCAN_CACHE_SIZE |
| 1504 | #define MAX_SCAN_BUCKETS \ |
| 1505 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_RESULTS_CAPABILITIES_MAX_SCAN_BUCKETS |
| 1506 | #define MAX_AP_CACHE_PER_SCAN \ |
| 1507 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_RESULTS_CAPABILITIES_MAX_AP_CACHE_PER_SCAN |
| 1508 | #define MAX_RSSI_SAMPLE_SIZE \ |
| 1509 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_RESULTS_CAPABILITIES_MAX_RSSI_SAMPLE_SIZE |
| 1510 | #define MAX_SCAN_RPT_THRHOLD \ |
| 1511 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_RESULTS_CAPABILITIES_MAX_SCAN_REPORTING_THRESHOLD |
| 1512 | #define MAX_HOTLIST_BSSIDS \ |
| 1513 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_RESULTS_CAPABILITIES_MAX_HOTLIST_BSSIDS |
| 1514 | #define MAX_SIGNIFICANT_WIFI_CHANGE_APS \ |
| 1515 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_RESULTS_CAPABILITIES_MAX_SIGNIFICANT_WIFI_CHANGE_APS |
| 1516 | #define MAX_BSSID_HISTORY_ENTRIES \ |
| 1517 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_RESULTS_CAPABILITIES_MAX_BSSID_HISTORY_ENTRIES |
| 1518 | #define MAX_HOTLIST_SSIDS \ |
| 1519 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_RESULTS_CAPABILITIES_MAX_HOTLIST_SSIDS |
| 1520 | #define MAX_NUM_EPNO_NETS \ |
| 1521 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_RESULTS_CAPABILITIES_MAX_NUM_EPNO_NETS |
| 1522 | #define MAX_NUM_EPNO_NETS_BY_SSID \ |
| 1523 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_RESULTS_CAPABILITIES_MAX_NUM_EPNO_NETS_BY_SSID |
| 1524 | #define MAX_NUM_WHITELISTED_SSID \ |
| 1525 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_RESULTS_CAPABILITIES_MAX_NUM_WHITELISTED_SSID |
| 1526 | |
| 1527 | /** |
| 1528 | * wlan_hdd_send_ext_scan_capability - send ext scan capability to user space |
| 1529 | * @hdd_ctx: Pointer to hdd context |
| 1530 | * |
| 1531 | * Return: 0 for success, non-zero for failure |
| 1532 | */ |
| 1533 | static int wlan_hdd_send_ext_scan_capability(hdd_context_t *hdd_ctx) |
| 1534 | { |
| 1535 | int ret; |
| 1536 | struct sk_buff *skb; |
| 1537 | struct ext_scan_capabilities_response *data; |
| 1538 | uint32_t nl_buf_len; |
| 1539 | |
| 1540 | ret = wlan_hdd_validate_context(hdd_ctx); |
| 1541 | if (0 != ret) { |
| 1542 | hddLog(LOGE, FL("hdd_context is invalid")); |
| 1543 | return ret; |
| 1544 | } |
| 1545 | |
| 1546 | data = &(ext_scan_context.capability_response); |
| 1547 | |
| 1548 | nl_buf_len = NLMSG_HDRLEN; |
| 1549 | nl_buf_len += (sizeof(data->requestId) + NLA_HDRLEN) + |
| 1550 | (sizeof(data->status) + NLA_HDRLEN) + |
| 1551 | (sizeof(data->max_scan_cache_size) + NLA_HDRLEN) + |
| 1552 | (sizeof(data->max_scan_buckets) + NLA_HDRLEN) + |
| 1553 | (sizeof(data->max_ap_cache_per_scan) + NLA_HDRLEN) + |
| 1554 | (sizeof(data->max_rssi_sample_size) + NLA_HDRLEN) + |
| 1555 | (sizeof(data->max_scan_reporting_threshold) + NLA_HDRLEN) + |
| 1556 | (sizeof(data->max_hotlist_bssids) + NLA_HDRLEN) + |
| 1557 | (sizeof(data->max_significant_wifi_change_aps) + NLA_HDRLEN) + |
| 1558 | (sizeof(data->max_bssid_history_entries) + NLA_HDRLEN) + |
| 1559 | (sizeof(data->max_hotlist_ssids) + NLA_HDRLEN) + |
| 1560 | (sizeof(data->max_number_epno_networks) + NLA_HDRLEN) + |
| 1561 | (sizeof(data->max_number_epno_networks_by_ssid) + NLA_HDRLEN) + |
| 1562 | (sizeof(data->max_number_of_white_listed_ssid) + NLA_HDRLEN); |
| 1563 | |
| 1564 | skb = cfg80211_vendor_cmd_alloc_reply_skb(hdd_ctx->wiphy, nl_buf_len); |
| 1565 | |
| 1566 | if (!skb) { |
| 1567 | hddLog(LOGE, FL("cfg80211_vendor_cmd_alloc_reply_skb failed")); |
| 1568 | return -ENOMEM; |
| 1569 | } |
| 1570 | |
| 1571 | |
| 1572 | hddLog(LOG1, "Req Id %u", data->requestId); |
| 1573 | hddLog(LOG1, "Status %u", data->status); |
| 1574 | hddLog(LOG1, "Scan cache size %u", |
| 1575 | data->max_scan_cache_size); |
| 1576 | hddLog(LOG1, "Scan buckets %u", data->max_scan_buckets); |
| 1577 | hddLog(LOG1, "Max AP per scan %u", |
| 1578 | data->max_ap_cache_per_scan); |
| 1579 | hddLog(LOG1, "max_rssi_sample_size %u", |
| 1580 | data->max_rssi_sample_size); |
| 1581 | hddLog(LOG1, "max_scan_reporting_threshold %u", |
| 1582 | data->max_scan_reporting_threshold); |
| 1583 | hddLog(LOG1, "max_hotlist_bssids %u", |
| 1584 | data->max_hotlist_bssids); |
| 1585 | hddLog(LOG1, "max_significant_wifi_change_aps %u", |
| 1586 | data->max_significant_wifi_change_aps); |
| 1587 | hddLog(LOG1, "max_bssid_history_entries %u", |
| 1588 | data->max_bssid_history_entries); |
| 1589 | hddLog(LOG1, "max_hotlist_ssids %u", data->max_hotlist_ssids); |
| 1590 | hddLog(LOG1, "max_number_epno_networks %u", |
| 1591 | data->max_number_epno_networks); |
| 1592 | hddLog(LOG1, "max_number_epno_networks_by_ssid %u", |
| 1593 | data->max_number_epno_networks_by_ssid); |
| 1594 | hddLog(LOG1, "max_number_of_white_listed_ssid %u", |
| 1595 | data->max_number_of_white_listed_ssid); |
| 1596 | |
| 1597 | if (nla_put_u32(skb, PARAM_REQUEST_ID, data->requestId) || |
| 1598 | nla_put_u32(skb, PARAM_STATUS, data->status) || |
| 1599 | nla_put_u32(skb, MAX_SCAN_CACHE_SIZE, data->max_scan_cache_size) || |
| 1600 | nla_put_u32(skb, MAX_SCAN_BUCKETS, data->max_scan_buckets) || |
| 1601 | nla_put_u32(skb, MAX_AP_CACHE_PER_SCAN, |
| 1602 | data->max_ap_cache_per_scan) || |
| 1603 | nla_put_u32(skb, MAX_RSSI_SAMPLE_SIZE, |
| 1604 | data->max_rssi_sample_size) || |
| 1605 | nla_put_u32(skb, MAX_SCAN_RPT_THRHOLD, |
| 1606 | data->max_scan_reporting_threshold) || |
| 1607 | nla_put_u32(skb, MAX_HOTLIST_BSSIDS, data->max_hotlist_bssids) || |
| 1608 | nla_put_u32(skb, MAX_SIGNIFICANT_WIFI_CHANGE_APS, |
| 1609 | data->max_significant_wifi_change_aps) || |
| 1610 | nla_put_u32(skb, MAX_BSSID_HISTORY_ENTRIES, |
| 1611 | data->max_bssid_history_entries) || |
| 1612 | nla_put_u32(skb, MAX_HOTLIST_SSIDS, data->max_hotlist_ssids) || |
| 1613 | nla_put_u32(skb, MAX_NUM_EPNO_NETS, |
| 1614 | data->max_number_epno_networks) || |
| 1615 | nla_put_u32(skb, MAX_NUM_EPNO_NETS_BY_SSID, |
| 1616 | data->max_number_epno_networks_by_ssid) || |
| 1617 | nla_put_u32(skb, MAX_NUM_WHITELISTED_SSID, |
| 1618 | data->max_number_of_white_listed_ssid)) { |
| 1619 | hddLog(LOGE, FL("nla put fail")); |
| 1620 | goto nla_put_failure; |
| 1621 | } |
| 1622 | |
| 1623 | cfg80211_vendor_cmd_reply(skb); |
| 1624 | return 0; |
| 1625 | |
| 1626 | nla_put_failure: |
| 1627 | kfree_skb(skb); |
| 1628 | return -EINVAL; |
| 1629 | } |
| 1630 | /* |
| 1631 | * done with short names for the global vendor params |
| 1632 | * used by wlan_hdd_send_ext_scan_capability() |
| 1633 | */ |
| 1634 | #undef PARAM_REQUEST_ID |
| 1635 | #undef PARAM_STATUS |
| 1636 | #undef MAX_SCAN_CACHE_SIZE |
| 1637 | #undef MAX_SCAN_BUCKETS |
| 1638 | #undef MAX_AP_CACHE_PER_SCAN |
| 1639 | #undef MAX_RSSI_SAMPLE_SIZE |
| 1640 | #undef MAX_SCAN_RPT_THRHOLD |
| 1641 | #undef MAX_HOTLIST_BSSIDS |
| 1642 | #undef MAX_SIGNIFICANT_WIFI_CHANGE_APS |
| 1643 | #undef MAX_BSSID_HISTORY_ENTRIES |
| 1644 | #undef MAX_HOTLIST_SSIDS |
| 1645 | #undef MAX_NUM_EPNO_NETS |
| 1646 | #undef MAX_NUM_EPNO_NETS_BY_SSID |
| 1647 | #undef MAX_NUM_WHITELISTED_SSID |
| 1648 | |
| 1649 | /** |
| 1650 | * __wlan_hdd_cfg80211_extscan_get_capabilities() - get ext scan capabilities |
| 1651 | * @wiphy: Pointer to wireless phy |
| 1652 | * @wdev: Pointer to wireless device |
| 1653 | * @data: Pointer to data |
| 1654 | * @data_len: Data length |
| 1655 | * |
| 1656 | * Return: none |
| 1657 | */ |
| 1658 | static int __wlan_hdd_cfg80211_extscan_get_capabilities(struct wiphy *wiphy, |
| 1659 | struct wireless_dev *wdev, |
| 1660 | const void *data, int data_len) |
| 1661 | { |
| 1662 | int ret; |
| 1663 | unsigned long rc; |
| 1664 | struct hdd_ext_scan_context *context; |
| 1665 | tpSirGetExtScanCapabilitiesReqParams pReqMsg = NULL; |
| 1666 | struct net_device *dev = wdev->netdev; |
| 1667 | hdd_adapter_t *pAdapter = WLAN_HDD_GET_PRIV_PTR(dev); |
| 1668 | hdd_context_t *pHddCtx = wiphy_priv(wiphy); |
| 1669 | struct nlattr *tb[QCA_WLAN_VENDOR_ATTR_EXTSCAN_SUBCMD_CONFIG_PARAM_MAX + |
| 1670 | 1]; |
| 1671 | CDF_STATUS status; |
| 1672 | |
| 1673 | ENTER(); |
| 1674 | |
| 1675 | if (CDF_FTM_MODE == hdd_get_conparam()) { |
| 1676 | hdd_err("Command not allowed in FTM mode"); |
| 1677 | return -EPERM; |
| 1678 | } |
| 1679 | |
| 1680 | ret = wlan_hdd_validate_context(pHddCtx); |
| 1681 | if (0 != ret) { |
| 1682 | hddLog(LOGE, FL("HDD context is not valid")); |
| 1683 | return -EINVAL; |
| 1684 | } |
| 1685 | |
| 1686 | if (nla_parse(tb, QCA_WLAN_VENDOR_ATTR_EXTSCAN_SUBCMD_CONFIG_PARAM_MAX, |
| 1687 | data, data_len, wlan_hdd_extscan_config_policy)) { |
| 1688 | hddLog(LOGE, FL("Invalid ATTR")); |
| 1689 | return -EINVAL; |
| 1690 | } |
| 1691 | |
| 1692 | pReqMsg = cdf_mem_malloc(sizeof(*pReqMsg)); |
| 1693 | if (!pReqMsg) { |
| 1694 | hddLog(LOGE, FL("cdf_mem_malloc failed")); |
| 1695 | return -ENOMEM; |
| 1696 | } |
| 1697 | |
| 1698 | /* Parse and fetch request Id */ |
| 1699 | if (!tb[QCA_WLAN_VENDOR_ATTR_EXTSCAN_SUBCMD_CONFIG_PARAM_REQUEST_ID]) { |
| 1700 | hddLog(LOGE, FL("attr request id failed")); |
| 1701 | goto fail; |
| 1702 | } |
| 1703 | |
| 1704 | pReqMsg->requestId = |
| 1705 | nla_get_u32(tb |
| 1706 | [QCA_WLAN_VENDOR_ATTR_EXTSCAN_SUBCMD_CONFIG_PARAM_REQUEST_ID]); |
| 1707 | pReqMsg->sessionId = pAdapter->sessionId; |
| 1708 | hddLog(LOG1, FL("Req Id %d Session Id %d"), |
| 1709 | pReqMsg->requestId, pReqMsg->sessionId); |
| 1710 | |
| 1711 | context = &ext_scan_context; |
| 1712 | spin_lock(&context->context_lock); |
| 1713 | context->request_id = pReqMsg->requestId; |
| 1714 | INIT_COMPLETION(context->response_event); |
| 1715 | spin_unlock(&context->context_lock); |
| 1716 | |
| 1717 | status = sme_ext_scan_get_capabilities(pHddCtx->hHal, pReqMsg); |
| 1718 | if (!CDF_IS_STATUS_SUCCESS(status)) { |
| 1719 | hddLog(LOGE, FL("sme_ext_scan_get_capabilities failed(err=%d)"), |
| 1720 | status); |
| 1721 | goto fail; |
| 1722 | } |
| 1723 | |
| 1724 | rc = wait_for_completion_timeout(&context->response_event, |
| 1725 | msecs_to_jiffies(WLAN_WAIT_TIME_EXTSCAN)); |
| 1726 | if (!rc) { |
| 1727 | hddLog(LOGE, FL("Target response timed out")); |
| 1728 | return -ETIMEDOUT; |
| 1729 | } |
| 1730 | |
| 1731 | ret = wlan_hdd_send_ext_scan_capability(pHddCtx); |
| 1732 | if (ret) |
| 1733 | hddLog(LOGE, FL("Failed to send ext scan capability to user space")); |
| 1734 | |
| 1735 | return ret; |
| 1736 | fail: |
| 1737 | cdf_mem_free(pReqMsg); |
| 1738 | return -EINVAL; |
| 1739 | } |
| 1740 | |
| 1741 | /** |
| 1742 | * wlan_hdd_cfg80211_extscan_get_capabilities() - get ext scan capabilities |
| 1743 | * @wiphy: Pointer to wiphy |
| 1744 | * @wdev: Pointer to wdev |
| 1745 | * @data: Pointer to data |
| 1746 | * @data_len: Data length |
| 1747 | * |
| 1748 | * Return: 0 for success, non-zero for failure |
| 1749 | */ |
| 1750 | int wlan_hdd_cfg80211_extscan_get_capabilities(struct wiphy *wiphy, |
| 1751 | struct wireless_dev *wdev, |
| 1752 | const void *data, int data_len) |
| 1753 | { |
| 1754 | int ret = 0; |
| 1755 | |
| 1756 | cds_ssr_protect(__func__); |
| 1757 | ret = __wlan_hdd_cfg80211_extscan_get_capabilities(wiphy, wdev, data, |
| 1758 | data_len); |
| 1759 | cds_ssr_unprotect(__func__); |
| 1760 | |
| 1761 | return ret; |
| 1762 | } |
| 1763 | |
| 1764 | /* |
| 1765 | * define short names for the global vendor params |
| 1766 | * used by wlan_hdd_cfg80211_extscan_get_cached_results() |
| 1767 | */ |
| 1768 | #define PARAM_MAX \ |
| 1769 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_SUBCMD_CONFIG_PARAM_MAX |
| 1770 | #define PARAM_REQUEST_ID \ |
| 1771 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_SUBCMD_CONFIG_PARAM_REQUEST_ID |
| 1772 | #define PARAM_FLUSH \ |
| 1773 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_GET_CACHED_SCAN_RESULTS_CONFIG_PARAM_FLUSH |
| 1774 | /** |
| 1775 | * __wlan_hdd_cfg80211_extscan_get_cached_results() - extscan get cached results |
| 1776 | * @wiphy: wiphy pointer |
| 1777 | * @wdev: pointer to struct wireless_dev |
| 1778 | * @data: pointer to incoming NL vendor data |
| 1779 | * @data_len: length of @data |
| 1780 | * |
| 1781 | * This function parses the incoming NL vendor command data attributes and |
| 1782 | * invokes the SME Api and blocks on a completion variable. |
| 1783 | * Each WMI event with cached scan results data chunk results in |
| 1784 | * function call wlan_hdd_cfg80211_extscan_cached_results_ind and each |
| 1785 | * data chunk is sent up the layer in cfg80211_vendor_cmd_alloc_reply_skb. |
| 1786 | * |
| 1787 | * If timeout happens before receiving all of the data, this function sets |
| 1788 | * a context variable @ignore_cached_results to %true, all of the next data |
| 1789 | * chunks are checked against this variable and dropped. |
| 1790 | * |
| 1791 | * Return: 0 on success; error number otherwise. |
| 1792 | */ |
| 1793 | static int __wlan_hdd_cfg80211_extscan_get_cached_results(struct wiphy *wiphy, |
| 1794 | struct wireless_dev |
| 1795 | *wdev, const void *data, |
| 1796 | int data_len) |
| 1797 | { |
| 1798 | tpSirExtScanGetCachedResultsReqParams pReqMsg = NULL; |
| 1799 | struct net_device *dev = wdev->netdev; |
| 1800 | hdd_adapter_t *pAdapter = WLAN_HDD_GET_PRIV_PTR(dev); |
| 1801 | hdd_context_t *pHddCtx = wiphy_priv(wiphy); |
| 1802 | struct nlattr *tb[QCA_WLAN_VENDOR_ATTR_EXTSCAN_SUBCMD_CONFIG_PARAM_MAX + |
| 1803 | 1]; |
| 1804 | struct hdd_ext_scan_context *context; |
| 1805 | CDF_STATUS status; |
| 1806 | int retval = 0; |
| 1807 | unsigned long rc; |
| 1808 | |
| 1809 | ENTER(); |
| 1810 | |
| 1811 | if (CDF_FTM_MODE == hdd_get_conparam()) { |
| 1812 | hdd_err("Command not allowed in FTM mode"); |
| 1813 | return -EPERM; |
| 1814 | } |
| 1815 | |
| 1816 | retval = wlan_hdd_validate_context(pHddCtx); |
| 1817 | if (0 != retval) { |
| 1818 | hddLog(LOGE, FL("HDD context is not valid")); |
| 1819 | return -EINVAL; |
| 1820 | } |
| 1821 | |
| 1822 | if (nla_parse(tb, PARAM_MAX, data, data_len, |
| 1823 | wlan_hdd_extscan_config_policy)) { |
| 1824 | hddLog(LOGE, FL("Invalid ATTR")); |
| 1825 | return -EINVAL; |
| 1826 | } |
| 1827 | |
| 1828 | pReqMsg = cdf_mem_malloc(sizeof(*pReqMsg)); |
| 1829 | if (!pReqMsg) { |
| 1830 | hddLog(LOGE, FL("cdf_mem_malloc failed")); |
| 1831 | return -ENOMEM; |
| 1832 | } |
| 1833 | |
| 1834 | /* Parse and fetch request Id */ |
| 1835 | if (!tb[PARAM_REQUEST_ID]) { |
| 1836 | hddLog(LOGE, FL("attr request id failed")); |
| 1837 | goto fail; |
| 1838 | } |
| 1839 | |
| 1840 | pReqMsg->requestId = nla_get_u32(tb[PARAM_REQUEST_ID]); |
| 1841 | pReqMsg->sessionId = pAdapter->sessionId; |
| 1842 | hddLog(LOG1, FL("Req Id %d Session Id %d"), |
| 1843 | pReqMsg->requestId, pReqMsg->sessionId); |
| 1844 | |
| 1845 | /* Parse and fetch flush parameter */ |
| 1846 | if (!tb[PARAM_FLUSH]) { |
| 1847 | hddLog(LOGE, FL("attr flush failed")); |
| 1848 | goto fail; |
| 1849 | } |
| 1850 | pReqMsg->flush = nla_get_u8(tb[PARAM_FLUSH]); |
| 1851 | hddLog(LOG1, FL("Flush %d"), pReqMsg->flush); |
| 1852 | |
| 1853 | context = &ext_scan_context; |
| 1854 | spin_lock(&context->context_lock); |
| 1855 | context->request_id = pReqMsg->requestId; |
| 1856 | context->ignore_cached_results = false; |
| 1857 | INIT_COMPLETION(context->response_event); |
| 1858 | spin_unlock(&context->context_lock); |
| 1859 | |
| 1860 | status = sme_get_cached_results(pHddCtx->hHal, pReqMsg); |
| 1861 | if (!CDF_IS_STATUS_SUCCESS(status)) { |
| 1862 | hddLog(LOGE, |
| 1863 | FL("sme_get_cached_results failed(err=%d)"), status); |
| 1864 | goto fail; |
| 1865 | } |
| 1866 | |
| 1867 | rc = wait_for_completion_timeout(&context->response_event, |
| 1868 | msecs_to_jiffies(WLAN_WAIT_TIME_EXTSCAN)); |
| 1869 | if (!rc) { |
| 1870 | hddLog(LOGE, FL("Target response timed out")); |
| 1871 | retval = -ETIMEDOUT; |
| 1872 | spin_lock(&context->context_lock); |
| 1873 | context->ignore_cached_results = true; |
| 1874 | spin_unlock(&context->context_lock); |
| 1875 | } else { |
| 1876 | spin_lock(&context->context_lock); |
| 1877 | retval = context->response_status; |
| 1878 | spin_unlock(&context->context_lock); |
| 1879 | } |
| 1880 | |
| 1881 | return retval; |
| 1882 | |
| 1883 | fail: |
| 1884 | cdf_mem_free(pReqMsg); |
| 1885 | return -EINVAL; |
| 1886 | } |
| 1887 | /* |
| 1888 | * done with short names for the global vendor params |
| 1889 | * used by wlan_hdd_cfg80211_extscan_get_cached_results() |
| 1890 | */ |
| 1891 | #undef PARAM_MAX |
| 1892 | #undef PARAM_REQUEST_ID |
| 1893 | #undef PARAM_FLUSH |
| 1894 | |
| 1895 | /** |
| 1896 | * wlan_hdd_cfg80211_extscan_get_cached_results() - extscan get cached results |
| 1897 | * @wiphy: wiphy pointer |
| 1898 | * @wdev: pointer to struct wireless_dev |
| 1899 | * @data: pointer to incoming NL vendor data |
| 1900 | * @data_len: length of @data |
| 1901 | * |
| 1902 | * This function parses the incoming NL vendor command data attributes and |
| 1903 | * invokes the SME Api and blocks on a completion variable. |
| 1904 | * Each WMI event with cached scan results data chunk results in |
| 1905 | * function call wlan_hdd_cfg80211_extscan_cached_results_ind and each |
| 1906 | * data chunk is sent up the layer in cfg80211_vendor_cmd_alloc_reply_skb. |
| 1907 | * |
| 1908 | * If timeout happens before receiving all of the data, this function sets |
| 1909 | * a context variable @ignore_cached_results to %true, all of the next data |
| 1910 | * chunks are checked against this variable and dropped. |
| 1911 | * |
| 1912 | * Return: 0 on success; error number otherwise. |
| 1913 | */ |
| 1914 | int wlan_hdd_cfg80211_extscan_get_cached_results(struct wiphy *wiphy, |
| 1915 | struct wireless_dev *wdev, |
| 1916 | const void *data, int data_len) |
| 1917 | { |
| 1918 | int ret = 0; |
| 1919 | |
| 1920 | cds_ssr_protect(__func__); |
| 1921 | ret = __wlan_hdd_cfg80211_extscan_get_cached_results(wiphy, wdev, data, |
| 1922 | data_len); |
| 1923 | cds_ssr_unprotect(__func__); |
| 1924 | |
| 1925 | return ret; |
| 1926 | } |
| 1927 | |
| 1928 | /** |
| 1929 | * __wlan_hdd_cfg80211_extscan_set_bssid_hotlist() - set bssid hot list |
| 1930 | * @wiphy: Pointer to wireless phy |
| 1931 | * @wdev: Pointer to wireless device |
| 1932 | * @data: Pointer to data |
| 1933 | * @data_len: Data length |
| 1934 | * |
| 1935 | * Return: none |
| 1936 | */ |
| 1937 | static int |
| 1938 | __wlan_hdd_cfg80211_extscan_set_bssid_hotlist(struct wiphy *wiphy, |
| 1939 | struct wireless_dev |
| 1940 | *wdev, const void *data, |
| 1941 | int data_len) |
| 1942 | { |
| 1943 | tpSirExtScanSetBssidHotListReqParams pReqMsg = NULL; |
| 1944 | struct net_device *dev = wdev->netdev; |
| 1945 | hdd_adapter_t *pAdapter = WLAN_HDD_GET_PRIV_PTR(dev); |
| 1946 | hdd_context_t *pHddCtx = wiphy_priv(wiphy); |
| 1947 | struct nlattr *tb[QCA_WLAN_VENDOR_ATTR_EXTSCAN_SUBCMD_CONFIG_PARAM_MAX + |
| 1948 | 1]; |
| 1949 | struct nlattr *tb2[QCA_WLAN_VENDOR_ATTR_EXTSCAN_SUBCMD_CONFIG_PARAM_MAX |
| 1950 | + 1]; |
| 1951 | struct nlattr *apTh; |
| 1952 | struct hdd_ext_scan_context *context; |
| 1953 | uint32_t request_id; |
| 1954 | CDF_STATUS status; |
| 1955 | uint8_t i; |
| 1956 | int rem, retval; |
| 1957 | unsigned long rc; |
| 1958 | |
| 1959 | ENTER(); |
| 1960 | |
| 1961 | if (CDF_FTM_MODE == hdd_get_conparam()) { |
| 1962 | hdd_err("Command not allowed in FTM mode"); |
| 1963 | return -EPERM; |
| 1964 | } |
| 1965 | |
| 1966 | retval = wlan_hdd_validate_context(pHddCtx); |
| 1967 | if (0 != retval) { |
| 1968 | hddLog(LOGE, FL("HDD context is not valid")); |
| 1969 | return -EINVAL; |
| 1970 | } |
| 1971 | |
| 1972 | if (nla_parse(tb, QCA_WLAN_VENDOR_ATTR_EXTSCAN_SUBCMD_CONFIG_PARAM_MAX, |
| 1973 | data, data_len, wlan_hdd_extscan_config_policy)) { |
| 1974 | hddLog(LOGE, FL("Invalid ATTR")); |
| 1975 | return -EINVAL; |
| 1976 | } |
| 1977 | |
| 1978 | pReqMsg = cdf_mem_malloc(sizeof(*pReqMsg)); |
| 1979 | if (!pReqMsg) { |
| 1980 | hddLog(LOGE, FL("cdf_mem_malloc failed")); |
| 1981 | return -ENOMEM; |
| 1982 | } |
| 1983 | |
| 1984 | /* Parse and fetch request Id */ |
| 1985 | if (!tb[QCA_WLAN_VENDOR_ATTR_EXTSCAN_SUBCMD_CONFIG_PARAM_REQUEST_ID]) { |
| 1986 | hddLog(LOGE, FL("attr request id failed")); |
| 1987 | goto fail; |
| 1988 | } |
| 1989 | |
| 1990 | pReqMsg->requestId = |
| 1991 | nla_get_u32(tb |
| 1992 | [QCA_WLAN_VENDOR_ATTR_EXTSCAN_SUBCMD_CONFIG_PARAM_REQUEST_ID]); |
| 1993 | hddLog(LOG1, FL("Req Id %d"), pReqMsg->requestId); |
| 1994 | |
| 1995 | /* Parse and fetch number of APs */ |
| 1996 | if (!tb[QCA_WLAN_VENDOR_ATTR_EXTSCAN_BSSID_HOTLIST_PARAMS_NUM_AP]) { |
| 1997 | hddLog(LOGE, FL("attr number of AP failed")); |
| 1998 | goto fail; |
| 1999 | } |
| 2000 | pReqMsg->numAp = |
| 2001 | nla_get_u32(tb |
| 2002 | [QCA_WLAN_VENDOR_ATTR_EXTSCAN_BSSID_HOTLIST_PARAMS_NUM_AP]); |
| 2003 | pReqMsg->sessionId = pAdapter->sessionId; |
| 2004 | hddLog(LOG1, FL("Number of AP %d Session Id %d"), |
| 2005 | pReqMsg->numAp, pReqMsg->sessionId); |
| 2006 | |
| 2007 | /* Parse and fetch lost ap sample size */ |
| 2008 | if (!tb[QCA_WLAN_VENDOR_ATTR_EXTSCAN_BSSID_HOTLIST_PARAMS_LOST_AP_SAMPLE_SIZE]) { |
| 2009 | hddLog(LOGE, FL("attr lost ap sample size failed")); |
| 2010 | goto fail; |
| 2011 | } |
| 2012 | |
| 2013 | pReqMsg->lost_ap_sample_size = nla_get_u32( |
| 2014 | tb[QCA_WLAN_VENDOR_ATTR_EXTSCAN_BSSID_HOTLIST_PARAMS_LOST_AP_SAMPLE_SIZE]); |
| 2015 | hddLog(LOG1, FL("Lost ap sample size %d"), |
| 2016 | pReqMsg->lost_ap_sample_size); |
| 2017 | |
| 2018 | i = 0; |
| 2019 | nla_for_each_nested(apTh, |
| 2020 | tb[QCA_WLAN_VENDOR_ATTR_EXTSCAN_AP_THRESHOLD_PARAM], |
| 2021 | rem) { |
| 2022 | if (nla_parse |
| 2023 | (tb2, QCA_WLAN_VENDOR_ATTR_EXTSCAN_SUBCMD_CONFIG_PARAM_MAX, |
| 2024 | nla_data(apTh), nla_len(apTh), |
| 2025 | wlan_hdd_extscan_config_policy)) { |
| 2026 | hddLog(LOGE, FL("nla_parse failed")); |
| 2027 | goto fail; |
| 2028 | } |
| 2029 | |
| 2030 | /* Parse and fetch MAC address */ |
| 2031 | if (!tb2[QCA_WLAN_VENDOR_ATTR_EXTSCAN_AP_THRESHOLD_PARAM_BSSID]) { |
| 2032 | hddLog(LOGE, FL("attr mac address failed")); |
| 2033 | goto fail; |
| 2034 | } |
| 2035 | nla_memcpy(pReqMsg->ap[i].bssid.bytes, |
| 2036 | tb2 |
| 2037 | [QCA_WLAN_VENDOR_ATTR_EXTSCAN_AP_THRESHOLD_PARAM_BSSID], |
| 2038 | CDF_MAC_ADDR_SIZE); |
| 2039 | hddLog(LOG1, MAC_ADDRESS_STR, |
| 2040 | MAC_ADDR_ARRAY(pReqMsg->ap[i].bssid.bytes)); |
| 2041 | |
| 2042 | /* Parse and fetch low RSSI */ |
| 2043 | if (!tb2 |
| 2044 | [QCA_WLAN_VENDOR_ATTR_EXTSCAN_AP_THRESHOLD_PARAM_RSSI_LOW]) { |
| 2045 | hddLog(LOGE, FL("attr low RSSI failed")); |
| 2046 | goto fail; |
| 2047 | } |
| 2048 | pReqMsg->ap[i].low = |
| 2049 | nla_get_s32(tb2 |
| 2050 | [QCA_WLAN_VENDOR_ATTR_EXTSCAN_AP_THRESHOLD_PARAM_RSSI_LOW]); |
| 2051 | hddLog(LOG1, FL("RSSI low %d"), pReqMsg->ap[i].low); |
| 2052 | |
| 2053 | /* Parse and fetch high RSSI */ |
| 2054 | if (!tb2 |
| 2055 | [QCA_WLAN_VENDOR_ATTR_EXTSCAN_AP_THRESHOLD_PARAM_RSSI_HIGH]) { |
| 2056 | hddLog(LOGE, FL("attr high RSSI failed")); |
| 2057 | goto fail; |
| 2058 | } |
| 2059 | pReqMsg->ap[i].high = |
| 2060 | nla_get_s32(tb2 |
| 2061 | [QCA_WLAN_VENDOR_ATTR_EXTSCAN_AP_THRESHOLD_PARAM_RSSI_HIGH]); |
| 2062 | hddLog(LOG1, FL("RSSI High %d"), pReqMsg->ap[i].high); |
| 2063 | |
| 2064 | i++; |
| 2065 | } |
| 2066 | |
| 2067 | context = &ext_scan_context; |
| 2068 | spin_lock(&context->context_lock); |
| 2069 | INIT_COMPLETION(context->response_event); |
| 2070 | context->request_id = request_id = pReqMsg->requestId; |
| 2071 | spin_unlock(&context->context_lock); |
| 2072 | |
| 2073 | status = sme_set_bss_hotlist(pHddCtx->hHal, pReqMsg); |
| 2074 | if (!CDF_IS_STATUS_SUCCESS(status)) { |
| 2075 | hddLog(LOGE, FL("sme_set_bss_hotlist failed(err=%d)"), status); |
| 2076 | goto fail; |
| 2077 | } |
| 2078 | |
| 2079 | /* request was sent -- wait for the response */ |
| 2080 | rc = wait_for_completion_timeout |
| 2081 | (&context->response_event, |
| 2082 | msecs_to_jiffies(WLAN_WAIT_TIME_EXTSCAN)); |
| 2083 | |
| 2084 | if (!rc) { |
| 2085 | hddLog(LOGE, FL("sme_set_bss_hotlist timed out")); |
| 2086 | retval = -ETIMEDOUT; |
| 2087 | } else { |
| 2088 | spin_lock(&context->context_lock); |
| 2089 | if (context->request_id == request_id) |
| 2090 | retval = context->response_status; |
| 2091 | else |
| 2092 | retval = -EINVAL; |
| 2093 | spin_unlock(&context->context_lock); |
| 2094 | } |
| 2095 | |
| 2096 | return retval; |
| 2097 | |
| 2098 | fail: |
| 2099 | cdf_mem_free(pReqMsg); |
| 2100 | return -EINVAL; |
| 2101 | } |
| 2102 | |
| 2103 | /** |
| 2104 | * wlan_hdd_cfg80211_extscan_set_bssid_hotlist() - set ext scan bssid hotlist |
| 2105 | * @wiphy: Pointer to wiphy |
| 2106 | * @wdev: Pointer to wdev |
| 2107 | * @data: Pointer to data |
| 2108 | * @data_len: Data length |
| 2109 | * |
| 2110 | * Return: 0 for success, non-zero for failure |
| 2111 | */ |
| 2112 | int wlan_hdd_cfg80211_extscan_set_bssid_hotlist(struct wiphy *wiphy, |
| 2113 | struct wireless_dev *wdev, |
| 2114 | const void *data, int data_len) |
| 2115 | { |
| 2116 | int ret = 0; |
| 2117 | |
| 2118 | cds_ssr_protect(__func__); |
| 2119 | ret = __wlan_hdd_cfg80211_extscan_set_bssid_hotlist(wiphy, wdev, data, |
| 2120 | data_len); |
| 2121 | cds_ssr_unprotect(__func__); |
| 2122 | |
| 2123 | return ret; |
| 2124 | } |
| 2125 | |
| 2126 | |
| 2127 | /** |
| 2128 | * __wlan_hdd_cfg80211_extscan_set_significant_change () - set significant change |
| 2129 | * @wiphy: Pointer to wireless phy |
| 2130 | * @wdev: Pointer to wireless device |
| 2131 | * @data: Pointer to data |
| 2132 | * @data_len: Data length |
| 2133 | * |
| 2134 | * Return: none |
| 2135 | */ |
| 2136 | static int |
| 2137 | __wlan_hdd_cfg80211_extscan_set_significant_change(struct wiphy *wiphy, |
| 2138 | struct wireless_dev |
| 2139 | *wdev, const void *data, |
| 2140 | int data_len) |
| 2141 | { |
| 2142 | tpSirExtScanSetSigChangeReqParams pReqMsg = NULL; |
| 2143 | struct net_device *dev = wdev->netdev; |
| 2144 | hdd_adapter_t *pAdapter = WLAN_HDD_GET_PRIV_PTR(dev); |
| 2145 | hdd_context_t *pHddCtx = wiphy_priv(wiphy); |
| 2146 | struct nlattr *tb[QCA_WLAN_VENDOR_ATTR_EXTSCAN_SUBCMD_CONFIG_PARAM_MAX + |
| 2147 | 1]; |
| 2148 | struct nlattr *tb2[QCA_WLAN_VENDOR_ATTR_EXTSCAN_SUBCMD_CONFIG_PARAM_MAX |
| 2149 | + 1]; |
| 2150 | struct nlattr *apTh; |
| 2151 | struct hdd_ext_scan_context *context; |
| 2152 | uint32_t request_id; |
| 2153 | CDF_STATUS status; |
| 2154 | uint8_t i; |
| 2155 | int rem, retval; |
| 2156 | unsigned long rc; |
| 2157 | |
| 2158 | ENTER(); |
| 2159 | |
| 2160 | if (CDF_FTM_MODE == hdd_get_conparam()) { |
| 2161 | hdd_err("Command not allowed in FTM mode"); |
| 2162 | return -EPERM; |
| 2163 | } |
| 2164 | |
| 2165 | retval = wlan_hdd_validate_context(pHddCtx); |
| 2166 | if (0 != retval) { |
| 2167 | hddLog(LOGE, FL("HDD context is not valid")); |
| 2168 | return -EINVAL; |
| 2169 | } |
| 2170 | |
| 2171 | if (nla_parse(tb, QCA_WLAN_VENDOR_ATTR_EXTSCAN_SUBCMD_CONFIG_PARAM_MAX, |
| 2172 | data, data_len, wlan_hdd_extscan_config_policy)) { |
| 2173 | hddLog(LOGE, FL("Invalid ATTR")); |
| 2174 | return -EINVAL; |
| 2175 | } |
| 2176 | |
| 2177 | pReqMsg = cdf_mem_malloc(sizeof(*pReqMsg)); |
| 2178 | if (!pReqMsg) { |
| 2179 | hddLog(LOGE, FL("cdf_mem_malloc failed")); |
| 2180 | return -ENOMEM; |
| 2181 | } |
| 2182 | |
| 2183 | /* Parse and fetch request Id */ |
| 2184 | if (!tb[QCA_WLAN_VENDOR_ATTR_EXTSCAN_SUBCMD_CONFIG_PARAM_REQUEST_ID]) { |
| 2185 | hddLog(LOGE, FL("attr request id failed")); |
| 2186 | goto fail; |
| 2187 | } |
| 2188 | |
| 2189 | pReqMsg->requestId = |
| 2190 | nla_get_u32(tb |
| 2191 | [QCA_WLAN_VENDOR_ATTR_EXTSCAN_SUBCMD_CONFIG_PARAM_REQUEST_ID]); |
| 2192 | hddLog(LOG1, FL("Req Id %d"), pReqMsg->requestId); |
| 2193 | |
| 2194 | /* Parse and fetch RSSI sample size */ |
| 2195 | if (!tb |
| 2196 | [QCA_WLAN_VENDOR_ATTR_EXTSCAN_SIGNIFICANT_CHANGE_PARAMS_RSSI_SAMPLE_SIZE]) { |
| 2197 | hddLog(LOGE, FL("attr RSSI sample size failed")); |
| 2198 | goto fail; |
| 2199 | } |
| 2200 | pReqMsg->rssiSampleSize = |
| 2201 | nla_get_u32(tb |
| 2202 | [QCA_WLAN_VENDOR_ATTR_EXTSCAN_SIGNIFICANT_CHANGE_PARAMS_RSSI_SAMPLE_SIZE]); |
| 2203 | hddLog(LOG1, FL("RSSI sample size %u"), pReqMsg->rssiSampleSize); |
| 2204 | |
| 2205 | /* Parse and fetch lost AP sample size */ |
| 2206 | if (!tb |
| 2207 | [QCA_WLAN_VENDOR_ATTR_EXTSCAN_SIGNIFICANT_CHANGE_PARAMS_LOST_AP_SAMPLE_SIZE]) { |
| 2208 | hddLog(LOGE, FL("attr lost AP sample size failed")); |
| 2209 | goto fail; |
| 2210 | } |
| 2211 | pReqMsg->lostApSampleSize = |
| 2212 | nla_get_u32(tb |
| 2213 | [QCA_WLAN_VENDOR_ATTR_EXTSCAN_SIGNIFICANT_CHANGE_PARAMS_LOST_AP_SAMPLE_SIZE]); |
| 2214 | hddLog(LOG1, FL("Lost AP sample size %u"), pReqMsg->lostApSampleSize); |
| 2215 | |
| 2216 | /* Parse and fetch AP min breacing */ |
| 2217 | if (!tb |
| 2218 | [QCA_WLAN_VENDOR_ATTR_EXTSCAN_SIGNIFICANT_CHANGE_PARAMS_MIN_BREACHING]) { |
| 2219 | hddLog(LOGE, FL("attr AP min breaching")); |
| 2220 | goto fail; |
| 2221 | } |
| 2222 | pReqMsg->minBreaching = |
| 2223 | nla_get_u32(tb |
| 2224 | [QCA_WLAN_VENDOR_ATTR_EXTSCAN_SIGNIFICANT_CHANGE_PARAMS_MIN_BREACHING]); |
| 2225 | hddLog(LOG1, FL("AP min breaching %u"), pReqMsg->minBreaching); |
| 2226 | |
| 2227 | /* Parse and fetch number of APs */ |
| 2228 | if (!tb[QCA_WLAN_VENDOR_ATTR_EXTSCAN_SIGNIFICANT_CHANGE_PARAMS_NUM_AP]) { |
| 2229 | hddLog(LOGE, FL("attr number of AP failed")); |
| 2230 | goto fail; |
| 2231 | } |
| 2232 | pReqMsg->numAp = |
| 2233 | nla_get_u32(tb |
| 2234 | [QCA_WLAN_VENDOR_ATTR_EXTSCAN_SIGNIFICANT_CHANGE_PARAMS_NUM_AP]); |
| 2235 | pReqMsg->sessionId = pAdapter->sessionId; |
| 2236 | hddLog(LOG1, FL("Number of AP %d Session Id %d"), |
| 2237 | pReqMsg->numAp, pReqMsg->sessionId); |
| 2238 | |
| 2239 | i = 0; |
| 2240 | nla_for_each_nested(apTh, |
| 2241 | tb[QCA_WLAN_VENDOR_ATTR_EXTSCAN_AP_THRESHOLD_PARAM], |
| 2242 | rem) { |
| 2243 | if (nla_parse |
| 2244 | (tb2, QCA_WLAN_VENDOR_ATTR_EXTSCAN_SUBCMD_CONFIG_PARAM_MAX, |
| 2245 | nla_data(apTh), nla_len(apTh), |
| 2246 | wlan_hdd_extscan_config_policy)) { |
| 2247 | hddLog(LOGE, FL("nla_parse failed")); |
| 2248 | goto fail; |
| 2249 | } |
| 2250 | |
| 2251 | /* Parse and fetch MAC address */ |
| 2252 | if (!tb2[QCA_WLAN_VENDOR_ATTR_EXTSCAN_AP_THRESHOLD_PARAM_BSSID]) { |
| 2253 | hddLog(LOGE, FL("attr mac address failed")); |
| 2254 | goto fail; |
| 2255 | } |
| 2256 | nla_memcpy(pReqMsg->ap[i].bssid.bytes, |
| 2257 | tb2 |
| 2258 | [QCA_WLAN_VENDOR_ATTR_EXTSCAN_AP_THRESHOLD_PARAM_BSSID], |
| 2259 | CDF_MAC_ADDR_SIZE); |
| 2260 | hddLog(LOG1, MAC_ADDRESS_STR, |
| 2261 | MAC_ADDR_ARRAY(pReqMsg->ap[i].bssid.bytes)); |
| 2262 | |
| 2263 | /* Parse and fetch low RSSI */ |
| 2264 | if (!tb2 |
| 2265 | [QCA_WLAN_VENDOR_ATTR_EXTSCAN_AP_THRESHOLD_PARAM_RSSI_LOW]) { |
| 2266 | hddLog(LOGE, FL("attr low RSSI failed")); |
| 2267 | goto fail; |
| 2268 | } |
| 2269 | pReqMsg->ap[i].low = |
| 2270 | nla_get_s32(tb2 |
| 2271 | [QCA_WLAN_VENDOR_ATTR_EXTSCAN_AP_THRESHOLD_PARAM_RSSI_LOW]); |
| 2272 | hddLog(LOG1, FL("RSSI low %d"), pReqMsg->ap[i].low); |
| 2273 | |
| 2274 | /* Parse and fetch high RSSI */ |
| 2275 | if (!tb2 |
| 2276 | [QCA_WLAN_VENDOR_ATTR_EXTSCAN_AP_THRESHOLD_PARAM_RSSI_HIGH]) { |
| 2277 | hddLog(LOGE, FL("attr high RSSI failed")); |
| 2278 | goto fail; |
| 2279 | } |
| 2280 | pReqMsg->ap[i].high = |
| 2281 | nla_get_s32(tb2 |
| 2282 | [QCA_WLAN_VENDOR_ATTR_EXTSCAN_AP_THRESHOLD_PARAM_RSSI_HIGH]); |
| 2283 | hddLog(LOG1, FL("RSSI High %d"), pReqMsg->ap[i].high); |
| 2284 | |
| 2285 | i++; |
| 2286 | } |
| 2287 | |
| 2288 | context = &ext_scan_context; |
| 2289 | spin_lock(&context->context_lock); |
| 2290 | INIT_COMPLETION(context->response_event); |
| 2291 | context->request_id = request_id = pReqMsg->requestId; |
| 2292 | spin_unlock(&context->context_lock); |
| 2293 | |
| 2294 | status = sme_set_significant_change(pHddCtx->hHal, pReqMsg); |
| 2295 | if (!CDF_IS_STATUS_SUCCESS(status)) { |
| 2296 | hddLog(LOGE, |
| 2297 | FL("sme_set_significant_change failed(err=%d)"), status); |
| 2298 | cdf_mem_free(pReqMsg); |
| 2299 | return -EINVAL; |
| 2300 | } |
| 2301 | |
| 2302 | /* request was sent -- wait for the response */ |
| 2303 | rc = wait_for_completion_timeout(&context->response_event, |
| 2304 | msecs_to_jiffies(WLAN_WAIT_TIME_EXTSCAN)); |
| 2305 | |
| 2306 | if (!rc) { |
| 2307 | hddLog(LOGE, FL("sme_set_significant_change timed out")); |
| 2308 | retval = -ETIMEDOUT; |
| 2309 | } else { |
| 2310 | spin_lock(&context->context_lock); |
| 2311 | if (context->request_id == request_id) |
| 2312 | retval = context->response_status; |
| 2313 | else |
| 2314 | retval = -EINVAL; |
| 2315 | spin_unlock(&context->context_lock); |
| 2316 | } |
| 2317 | |
| 2318 | return retval; |
| 2319 | |
| 2320 | fail: |
| 2321 | cdf_mem_free(pReqMsg); |
| 2322 | return -EINVAL; |
| 2323 | } |
| 2324 | |
| 2325 | /** |
| 2326 | * wlan_hdd_cfg80211_extscan_set_significant_change() - set significant change |
| 2327 | * @wiphy: Pointer to wireless phy |
| 2328 | * @wdev: Pointer to wireless device |
| 2329 | * @data: Pointer to data |
| 2330 | * @data_len: Data length |
| 2331 | * |
| 2332 | * Return: 0 on success, negative errno on failure |
| 2333 | */ |
| 2334 | int wlan_hdd_cfg80211_extscan_set_significant_change(struct wiphy *wiphy, |
| 2335 | struct wireless_dev *wdev, |
| 2336 | const void *data, int data_len) |
| 2337 | { |
| 2338 | int ret = 0; |
| 2339 | |
| 2340 | cds_ssr_protect(__func__); |
| 2341 | ret = __wlan_hdd_cfg80211_extscan_set_significant_change(wiphy, wdev, |
| 2342 | data, data_len); |
| 2343 | cds_ssr_unprotect(__func__); |
| 2344 | |
| 2345 | return ret; |
| 2346 | } |
| 2347 | |
| 2348 | /** |
| 2349 | * hdd_remove_dsrc_channels () - remove dsrc chanels |
| 2350 | * @wiphy: Pointer to wireless phy |
| 2351 | * @chan_list: channel list |
| 2352 | * @num_channels: number of channels |
| 2353 | * |
| 2354 | * Return: none |
| 2355 | */ |
| 2356 | void hdd_remove_dsrc_channels(struct wiphy *wiphy, uint32_t *chan_list, |
| 2357 | uint8_t *num_channels) |
| 2358 | { |
| 2359 | uint8_t num_chan_temp = 0; |
| 2360 | int i; |
| 2361 | |
| 2362 | for (i = 0; i < *num_channels; i++) { |
| 2363 | if (!cds_is_dsrc_channel(chan_list[i])) { |
| 2364 | chan_list[num_chan_temp] = chan_list[i]; |
| 2365 | num_chan_temp++; |
| 2366 | } |
| 2367 | } |
| 2368 | |
| 2369 | *num_channels = num_chan_temp; |
| 2370 | } |
| 2371 | |
| 2372 | /** |
| 2373 | * hdd_remove_indoor_channels () - remove indoor channels |
| 2374 | * @wiphy: Pointer to wireless phy |
| 2375 | * @chan_list: channel list |
| 2376 | * @num_channels: number of channels |
| 2377 | * |
| 2378 | * Return: none |
| 2379 | */ |
| 2380 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 16, 0)) |
| 2381 | void hdd_remove_indoor_channels(struct wiphy *wiphy, uint32_t *chan_list, |
| 2382 | uint8_t *num_channels) |
| 2383 | { |
| 2384 | uint8_t num_chan_temp = 0; |
| 2385 | int i, j, k; |
| 2386 | |
| 2387 | for (i = 0; i < *num_channels; i++) |
| 2388 | for (j = 0; j < IEEE80211_NUM_BANDS; j++) { |
| 2389 | if (wiphy->bands[j] == NULL) |
| 2390 | continue; |
| 2391 | for (k = 0; k < wiphy->bands[j]->n_channels; k++) { |
| 2392 | if ((chan_list[i] == |
| 2393 | wiphy->bands[j]->channels[k].center_freq) |
| 2394 | && (!(wiphy->bands[j]->channels[k].flags & |
| 2395 | IEEE80211_CHAN_INDOOR_ONLY)) |
| 2396 | ) { |
| 2397 | chan_list[num_chan_temp] = chan_list[i]; |
| 2398 | num_chan_temp++; |
| 2399 | } |
| 2400 | } |
| 2401 | } |
| 2402 | |
| 2403 | *num_channels = num_chan_temp; |
| 2404 | } |
| 2405 | #else |
| 2406 | void hdd_remove_indoor_channels(struct wiphy *wiphy, uint32_t *chan_list, |
| 2407 | uint8_t *num_channels) |
| 2408 | { |
| 2409 | *num_channels = 0; |
| 2410 | } |
| 2411 | #endif |
| 2412 | |
| 2413 | /** |
| 2414 | * __wlan_hdd_cfg80211_extscan_get_valid_channels () - get valid channels |
| 2415 | * @wiphy: Pointer to wireless phy |
| 2416 | * @wdev: Pointer to wireless device |
| 2417 | * @data: Pointer to data |
| 2418 | * @data_len: Data length |
| 2419 | * |
| 2420 | * Return: none |
| 2421 | */ |
| 2422 | static int |
| 2423 | __wlan_hdd_cfg80211_extscan_get_valid_channels(struct wiphy *wiphy, |
| 2424 | struct wireless_dev |
| 2425 | *wdev, const void *data, |
| 2426 | int data_len) |
| 2427 | { |
| 2428 | hdd_context_t *pHddCtx = wiphy_priv(wiphy); |
| 2429 | struct net_device *dev = wdev->netdev; |
| 2430 | hdd_adapter_t *pAdapter = WLAN_HDD_GET_PRIV_PTR(dev); |
| 2431 | uint32_t chan_list[WNI_CFG_VALID_CHANNEL_LIST_LEN] = {0}; |
| 2432 | uint8_t num_channels = 0; |
| 2433 | struct nlattr *tb[QCA_WLAN_VENDOR_ATTR_EXTSCAN_SUBCMD_CONFIG_PARAM_MAX + |
| 2434 | 1]; |
| 2435 | uint32_t requestId, maxChannels; |
| 2436 | tWifiBand wifiBand; |
| 2437 | CDF_STATUS status; |
| 2438 | struct sk_buff *reply_skb; |
| 2439 | uint8_t i; |
| 2440 | int ret; |
| 2441 | |
| 2442 | ENTER(); |
| 2443 | |
| 2444 | if (CDF_FTM_MODE == hdd_get_conparam()) { |
| 2445 | hdd_err("Command not allowed in FTM mode"); |
| 2446 | return -EPERM; |
| 2447 | } |
| 2448 | |
| 2449 | ret = wlan_hdd_validate_context(pHddCtx); |
| 2450 | if (0 != ret) { |
| 2451 | hddLog(LOGE, FL("HDD context is not valid")); |
| 2452 | return -EINVAL; |
| 2453 | } |
| 2454 | |
| 2455 | if (nla_parse(tb, QCA_WLAN_VENDOR_ATTR_EXTSCAN_SUBCMD_CONFIG_PARAM_MAX, |
| 2456 | data, data_len, wlan_hdd_extscan_config_policy)) { |
| 2457 | hddLog(LOGE, FL("Invalid ATTR")); |
| 2458 | return -EINVAL; |
| 2459 | } |
| 2460 | |
| 2461 | /* Parse and fetch request Id */ |
| 2462 | if (!tb[QCA_WLAN_VENDOR_ATTR_EXTSCAN_SUBCMD_CONFIG_PARAM_REQUEST_ID]) { |
| 2463 | hddLog(LOGE, FL("attr request id failed")); |
| 2464 | return -EINVAL; |
| 2465 | } |
| 2466 | requestId = |
| 2467 | nla_get_u32(tb |
| 2468 | [QCA_WLAN_VENDOR_ATTR_EXTSCAN_SUBCMD_CONFIG_PARAM_REQUEST_ID]); |
| 2469 | hddLog(LOG1, FL("Req Id %d"), requestId); |
| 2470 | |
| 2471 | /* Parse and fetch wifi band */ |
| 2472 | if (!tb |
| 2473 | [QCA_WLAN_VENDOR_ATTR_EXTSCAN_GET_VALID_CHANNELS_CONFIG_PARAM_WIFI_BAND]) { |
| 2474 | hddLog(LOGE, FL("attr wifi band failed")); |
| 2475 | return -EINVAL; |
| 2476 | } |
| 2477 | wifiBand = |
| 2478 | nla_get_u32(tb |
| 2479 | [QCA_WLAN_VENDOR_ATTR_EXTSCAN_GET_VALID_CHANNELS_CONFIG_PARAM_WIFI_BAND]); |
| 2480 | hddLog(LOG1, FL("Wifi band %d"), wifiBand); |
| 2481 | |
| 2482 | if (!tb |
| 2483 | [QCA_WLAN_VENDOR_ATTR_EXTSCAN_GET_VALID_CHANNELS_CONFIG_PARAM_MAX_CHANNELS]) { |
| 2484 | hddLog(LOGE, FL("attr max channels failed")); |
| 2485 | return -EINVAL; |
| 2486 | } |
| 2487 | maxChannels = |
| 2488 | nla_get_u32(tb |
| 2489 | [QCA_WLAN_VENDOR_ATTR_EXTSCAN_GET_VALID_CHANNELS_CONFIG_PARAM_MAX_CHANNELS]); |
| 2490 | hddLog(LOG1, FL("Max channels %d"), maxChannels); |
| 2491 | status = sme_get_valid_channels_by_band((tHalHandle) (pHddCtx->hHal), |
| 2492 | wifiBand, chan_list, |
| 2493 | &num_channels); |
| 2494 | if (CDF_STATUS_SUCCESS != status) { |
| 2495 | hddLog(LOGE, |
| 2496 | FL("sme_get_valid_channels_by_band failed (err=%d)"), |
| 2497 | status); |
| 2498 | return -EINVAL; |
| 2499 | } |
| 2500 | |
| 2501 | num_channels = CDF_MIN(num_channels, maxChannels); |
| 2502 | |
| 2503 | hdd_remove_dsrc_channels(wiphy, chan_list, &num_channels); |
| 2504 | |
| 2505 | if ((WLAN_HDD_SOFTAP == pAdapter->device_mode) || |
| 2506 | !strncmp(hdd_get_fwpath(), "ap", 2)) |
| 2507 | hdd_remove_indoor_channels(wiphy, chan_list, &num_channels); |
| 2508 | |
| 2509 | hddLog(LOG1, FL("Number of channels %d"), num_channels); |
| 2510 | for (i = 0; i < num_channels; i++) |
| 2511 | hddLog(LOG1, "Channel: %u ", chan_list[i]); |
| 2512 | |
| 2513 | reply_skb = cfg80211_vendor_cmd_alloc_reply_skb(wiphy, sizeof(u32) + |
| 2514 | sizeof(u32) * |
| 2515 | num_channels + |
| 2516 | NLMSG_HDRLEN); |
| 2517 | |
| 2518 | if (reply_skb) { |
| 2519 | if (nla_put_u32(reply_skb, |
| 2520 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_RESULTS_NUM_CHANNELS, |
| 2521 | num_channels) || |
| 2522 | nla_put(reply_skb, |
| 2523 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_RESULTS_CHANNELS, |
| 2524 | sizeof(u32) * num_channels, chan_list)) { |
| 2525 | hddLog(LOGE, FL("nla put fail")); |
| 2526 | kfree_skb(reply_skb); |
| 2527 | return -EINVAL; |
| 2528 | } |
| 2529 | |
| 2530 | return cfg80211_vendor_cmd_reply(reply_skb); |
| 2531 | } |
| 2532 | |
| 2533 | hddLog(LOGE, FL("valid channels: buffer alloc fail")); |
| 2534 | return -EINVAL; |
| 2535 | } |
| 2536 | |
| 2537 | /** |
| 2538 | * wlan_hdd_cfg80211_extscan_get_valid_channels() - get ext scan valid channels |
| 2539 | * @wiphy: Pointer to wireless phy |
| 2540 | * @wdev: Pointer to wireless device |
| 2541 | * @data: Pointer to data |
| 2542 | * @data_len: Data length |
| 2543 | * |
| 2544 | * Return: 0 on success, negative errno on failure |
| 2545 | */ |
| 2546 | int wlan_hdd_cfg80211_extscan_get_valid_channels(struct wiphy *wiphy, |
| 2547 | struct wireless_dev *wdev, |
| 2548 | const void *data, int data_len) |
| 2549 | { |
| 2550 | int ret = 0; |
| 2551 | |
| 2552 | cds_ssr_protect(__func__); |
| 2553 | ret = __wlan_hdd_cfg80211_extscan_get_valid_channels(wiphy, wdev, data, |
| 2554 | data_len); |
| 2555 | cds_ssr_unprotect(__func__); |
| 2556 | |
| 2557 | return ret; |
| 2558 | } |
| 2559 | |
| 2560 | /** |
| 2561 | * hdd_extscan_update_dwell_time_limits() - update dwell times |
| 2562 | * @req_msg: Pointer to request message |
| 2563 | * @bkt_idx: Index of current bucket being processed |
| 2564 | * @active_min: minimum active dwell time |
| 2565 | * @active_max: maximum active dwell time |
| 2566 | * @passive_min: minimum passive dwell time |
| 2567 | * @passive_max: maximum passive dwell time |
| 2568 | * |
| 2569 | * Return: none |
| 2570 | */ |
| 2571 | static void hdd_extscan_update_dwell_time_limits( |
| 2572 | tpSirWifiScanCmdReqParams req_msg, uint32_t bkt_idx, |
| 2573 | uint32_t active_min, uint32_t active_max, |
| 2574 | uint32_t passive_min, uint32_t passive_max) |
| 2575 | { |
| 2576 | /* update per-bucket dwell times */ |
| 2577 | if (req_msg->buckets[bkt_idx].min_dwell_time_active > |
| 2578 | active_min) { |
| 2579 | req_msg->buckets[bkt_idx].min_dwell_time_active = |
| 2580 | active_min; |
| 2581 | } |
| 2582 | if (req_msg->buckets[bkt_idx].max_dwell_time_active < |
| 2583 | active_max) { |
| 2584 | req_msg->buckets[bkt_idx].max_dwell_time_active = |
| 2585 | active_max; |
| 2586 | } |
| 2587 | if (req_msg->buckets[bkt_idx].min_dwell_time_passive > |
| 2588 | passive_min) { |
| 2589 | req_msg->buckets[bkt_idx].min_dwell_time_passive = |
| 2590 | passive_min; |
| 2591 | } |
| 2592 | if (req_msg->buckets[bkt_idx].max_dwell_time_passive < |
| 2593 | passive_max) { |
| 2594 | req_msg->buckets[bkt_idx].max_dwell_time_passive = |
| 2595 | passive_max; |
| 2596 | } |
| 2597 | /* update dwell-time across all buckets */ |
| 2598 | if (req_msg->min_dwell_time_active > |
| 2599 | req_msg->buckets[bkt_idx].min_dwell_time_active) { |
| 2600 | req_msg->min_dwell_time_active = |
| 2601 | req_msg->buckets[bkt_idx].min_dwell_time_active; |
| 2602 | } |
| 2603 | if (req_msg->max_dwell_time_active < |
| 2604 | req_msg->buckets[bkt_idx].max_dwell_time_active) { |
| 2605 | req_msg->max_dwell_time_active = |
| 2606 | req_msg->buckets[bkt_idx].max_dwell_time_active; |
| 2607 | } |
| 2608 | if (req_msg->min_dwell_time_passive > |
| 2609 | req_msg->buckets[bkt_idx].min_dwell_time_passive) { |
| 2610 | req_msg->min_dwell_time_passive = |
| 2611 | req_msg->buckets[bkt_idx].min_dwell_time_passive; |
| 2612 | } |
| 2613 | if (req_msg->max_dwell_time_passive > |
| 2614 | req_msg->buckets[bkt_idx].max_dwell_time_passive) { |
| 2615 | req_msg->max_dwell_time_passive = |
| 2616 | req_msg->buckets[bkt_idx].max_dwell_time_passive; |
| 2617 | } |
| 2618 | } |
| 2619 | |
| 2620 | /** |
| 2621 | * hdd_extscan_channel_max_reached() - channel max reached |
| 2622 | * @req: extscan request structure |
| 2623 | * @total_channels: total number of channels |
| 2624 | * |
| 2625 | * Return: true if total channels reached max, false otherwise |
| 2626 | */ |
| 2627 | static bool hdd_extscan_channel_max_reached(tSirWifiScanCmdReqParams *req, |
| 2628 | uint8_t total_channels) |
| 2629 | { |
| 2630 | if (total_channels == WLAN_EXTSCAN_MAX_CHANNELS) { |
| 2631 | hdd_warn( |
| 2632 | "max #of channels %d reached, take only first %d bucket(s)", |
| 2633 | total_channels, req->numBuckets); |
| 2634 | return true; |
| 2635 | } |
| 2636 | return false; |
| 2637 | } |
| 2638 | |
| 2639 | /** |
| 2640 | * hdd_extscan_start_fill_bucket_channel_spec() - fill bucket channel spec |
| 2641 | * @hdd_ctx: HDD global context |
| 2642 | * @req_msg: Pointer to request structure |
| 2643 | * @tb: pointer to NL attributes |
| 2644 | * |
| 2645 | * Return: 0 on success; error number otherwise |
| 2646 | */ |
| 2647 | static int hdd_extscan_start_fill_bucket_channel_spec( |
| 2648 | hdd_context_t *hdd_ctx, |
| 2649 | tpSirWifiScanCmdReqParams req_msg, |
| 2650 | struct nlattr **tb) |
| 2651 | { |
| 2652 | struct nlattr *bucket[ |
| 2653 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_SUBCMD_CONFIG_PARAM_MAX + 1]; |
| 2654 | struct nlattr *channel[ |
| 2655 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_SUBCMD_CONFIG_PARAM_MAX + 1]; |
| 2656 | struct nlattr *buckets; |
| 2657 | struct nlattr *channels; |
| 2658 | int rem1, rem2; |
| 2659 | CDF_STATUS status; |
| 2660 | uint8_t bkt_index, j, num_channels, total_channels = 0; |
| 2661 | uint32_t chan_list[WNI_CFG_VALID_CHANNEL_LIST_LEN] = {0}; |
| 2662 | |
| 2663 | uint32_t min_dwell_time_active_bucket = |
| 2664 | hdd_ctx->config->extscan_active_max_chn_time; |
| 2665 | uint32_t max_dwell_time_active_bucket = |
| 2666 | hdd_ctx->config->extscan_active_max_chn_time; |
| 2667 | uint32_t min_dwell_time_passive_bucket = |
| 2668 | hdd_ctx->config->extscan_passive_max_chn_time; |
| 2669 | uint32_t max_dwell_time_passive_bucket = |
| 2670 | hdd_ctx->config->extscan_passive_max_chn_time; |
| 2671 | |
| 2672 | bkt_index = 0; |
| 2673 | req_msg->min_dwell_time_active = |
| 2674 | req_msg->max_dwell_time_active = |
| 2675 | hdd_ctx->config->extscan_active_max_chn_time; |
| 2676 | |
| 2677 | req_msg->min_dwell_time_passive = |
| 2678 | req_msg->max_dwell_time_passive = |
| 2679 | hdd_ctx->config->extscan_passive_max_chn_time; |
| 2680 | req_msg->numBuckets = 0; |
| 2681 | |
| 2682 | nla_for_each_nested(buckets, |
| 2683 | tb[QCA_WLAN_VENDOR_ATTR_EXTSCAN_BUCKET_SPEC], rem1) { |
| 2684 | if (nla_parse(bucket, |
| 2685 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_SUBCMD_CONFIG_PARAM_MAX, |
| 2686 | nla_data(buckets), nla_len(buckets), NULL)) { |
| 2687 | hddLog(LOGE, FL("nla_parse failed")); |
| 2688 | return -EINVAL; |
| 2689 | } |
| 2690 | |
| 2691 | /* Parse and fetch bucket spec */ |
| 2692 | if (!bucket[QCA_WLAN_VENDOR_ATTR_EXTSCAN_BUCKET_SPEC_INDEX]) { |
| 2693 | hddLog(LOGE, FL("attr bucket index failed")); |
| 2694 | return -EINVAL; |
| 2695 | } |
| 2696 | req_msg->buckets[bkt_index].bucket = nla_get_u8( |
| 2697 | bucket[QCA_WLAN_VENDOR_ATTR_EXTSCAN_BUCKET_SPEC_INDEX]); |
| 2698 | hddLog(LOG1, FL("Bucket spec Index %d"), |
| 2699 | req_msg->buckets[bkt_index].bucket); |
| 2700 | |
| 2701 | /* Parse and fetch wifi band */ |
| 2702 | if (!bucket[QCA_WLAN_VENDOR_ATTR_EXTSCAN_BUCKET_SPEC_BAND]) { |
| 2703 | hddLog(LOGE, FL("attr wifi band failed")); |
| 2704 | return -EINVAL; |
| 2705 | } |
| 2706 | req_msg->buckets[bkt_index].band = nla_get_u8( |
| 2707 | bucket[QCA_WLAN_VENDOR_ATTR_EXTSCAN_BUCKET_SPEC_BAND]); |
| 2708 | hddLog(LOG1, FL("Wifi band %d"), |
| 2709 | req_msg->buckets[bkt_index].band); |
| 2710 | |
| 2711 | /* Parse and fetch period */ |
| 2712 | if (!bucket[QCA_WLAN_VENDOR_ATTR_EXTSCAN_BUCKET_SPEC_PERIOD]) { |
| 2713 | hddLog(LOGE, FL("attr period failed")); |
| 2714 | return -EINVAL; |
| 2715 | } |
| 2716 | req_msg->buckets[bkt_index].period = nla_get_u32( |
| 2717 | bucket[QCA_WLAN_VENDOR_ATTR_EXTSCAN_BUCKET_SPEC_PERIOD]); |
| 2718 | hddLog(LOG1, FL("period %d"), |
| 2719 | req_msg->buckets[bkt_index].period); |
| 2720 | |
| 2721 | /* Parse and fetch report events */ |
| 2722 | if (!bucket[ |
| 2723 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_BUCKET_SPEC_REPORT_EVENTS]) { |
| 2724 | hddLog(LOGE, FL("attr report events failed")); |
| 2725 | return -EINVAL; |
| 2726 | } |
| 2727 | req_msg->buckets[bkt_index].reportEvents = nla_get_u8( |
| 2728 | bucket[ |
| 2729 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_BUCKET_SPEC_REPORT_EVENTS]); |
| 2730 | hddLog(LOG1, FL("report events %d"), |
| 2731 | req_msg->buckets[bkt_index].reportEvents); |
| 2732 | |
| 2733 | /* Parse and fetch max period */ |
| 2734 | if (!bucket[QCA_WLAN_VENDOR_ATTR_EXTSCAN_BUCKET_SPEC_MAX_PERIOD]) { |
| 2735 | hddLog(LOGE, FL("attr max period failed")); |
| 2736 | return -EINVAL; |
| 2737 | } |
| 2738 | req_msg->buckets[bkt_index].max_period = nla_get_u32( |
| 2739 | bucket[QCA_WLAN_VENDOR_ATTR_EXTSCAN_BUCKET_SPEC_MAX_PERIOD]); |
| 2740 | hddLog(LOG1, FL("max period %u"), |
| 2741 | req_msg->buckets[bkt_index].max_period); |
| 2742 | |
| 2743 | /* Parse and fetch exponent */ |
| 2744 | if (!bucket[QCA_WLAN_VENDOR_ATTR_EXTSCAN_BUCKET_SPEC_EXPONENT]) { |
| 2745 | hddLog(LOGE, FL("attr exponent failed")); |
| 2746 | return -EINVAL; |
| 2747 | } |
| 2748 | req_msg->buckets[bkt_index].exponent = nla_get_u32( |
| 2749 | bucket[QCA_WLAN_VENDOR_ATTR_EXTSCAN_BUCKET_SPEC_EXPONENT]); |
| 2750 | hddLog(LOG1, FL("exponent %u"), |
| 2751 | req_msg->buckets[bkt_index].exponent); |
| 2752 | |
| 2753 | /* Parse and fetch step count */ |
| 2754 | if (!bucket[QCA_WLAN_VENDOR_ATTR_EXTSCAN_BUCKET_SPEC_STEP_COUNT]) { |
| 2755 | hddLog(LOGE, FL("attr step count failed")); |
| 2756 | return -EINVAL; |
| 2757 | } |
| 2758 | req_msg->buckets[bkt_index].step_count = nla_get_u32( |
| 2759 | bucket[QCA_WLAN_VENDOR_ATTR_EXTSCAN_BUCKET_SPEC_STEP_COUNT]); |
| 2760 | hddLog(LOG1, FL("Step count %u"), |
| 2761 | req_msg->buckets[bkt_index].step_count); |
| 2762 | |
| 2763 | /* start with known good values for bucket dwell times */ |
| 2764 | req_msg->buckets[bkt_index].min_dwell_time_active = |
| 2765 | req_msg->buckets[bkt_index].max_dwell_time_active = |
| 2766 | hdd_ctx->config->extscan_active_max_chn_time; |
| 2767 | |
| 2768 | req_msg->buckets[bkt_index].min_dwell_time_passive = |
| 2769 | req_msg->buckets[bkt_index].max_dwell_time_passive = |
| 2770 | hdd_ctx->config->extscan_passive_max_chn_time; |
| 2771 | |
| 2772 | /* Framework shall pass the channel list if the input WiFi band |
| 2773 | * is WIFI_BAND_UNSPECIFIED. |
| 2774 | * If the input WiFi band is specified (any value other than |
| 2775 | * WIFI_BAND_UNSPECIFIED) then driver populates the channel list |
| 2776 | */ |
| 2777 | if (req_msg->buckets[bkt_index].band != WIFI_BAND_UNSPECIFIED) { |
| 2778 | if (hdd_extscan_channel_max_reached(req_msg, |
| 2779 | total_channels)) |
| 2780 | return 0; |
| 2781 | |
| 2782 | num_channels = 0; |
| 2783 | hddLog(LOG1, "WiFi band is specified, driver to fill channel list"); |
| 2784 | status = sme_get_valid_channels_by_band(hdd_ctx->hHal, |
| 2785 | req_msg->buckets[bkt_index].band, |
| 2786 | chan_list, &num_channels); |
| 2787 | if (!CDF_IS_STATUS_SUCCESS(status)) { |
| 2788 | hddLog(LOGE, |
| 2789 | FL("sme_GetValidChannelsByBand failed (err=%d)"), |
| 2790 | status); |
| 2791 | return -EINVAL; |
| 2792 | } |
| 2793 | hddLog(LOG1, FL("before trimming, num_channels: %d"), |
| 2794 | num_channels); |
| 2795 | |
| 2796 | req_msg->buckets[bkt_index].numChannels = |
| 2797 | CDF_MIN(num_channels, |
| 2798 | (WLAN_EXTSCAN_MAX_CHANNELS - |
| 2799 | total_channels)); |
| 2800 | hdd_info("Adj Num channels/bucket: %d total_channels: %d", |
| 2801 | req_msg->buckets[bkt_index].numChannels, |
| 2802 | total_channels); |
| 2803 | total_channels += |
| 2804 | req_msg->buckets[bkt_index].numChannels; |
| 2805 | |
| 2806 | for (j = 0; j < req_msg->buckets[bkt_index].numChannels; |
| 2807 | j++) { |
| 2808 | req_msg->buckets[bkt_index].channels[j].channel = |
| 2809 | chan_list[j]; |
| 2810 | req_msg->buckets[bkt_index].channels[j]. |
| 2811 | chnlClass = 0; |
| 2812 | if (CDS_IS_PASSIVE_OR_DISABLE_CH( |
| 2813 | cds_freq_to_chan(chan_list[j]))) { |
| 2814 | req_msg->buckets[bkt_index].channels[j]. |
| 2815 | passive = 1; |
| 2816 | req_msg->buckets[bkt_index].channels[j]. |
| 2817 | dwellTimeMs = |
| 2818 | hdd_ctx->config-> |
| 2819 | extscan_passive_max_chn_time; |
| 2820 | /* reconfigure per-bucket dwell time */ |
| 2821 | if (min_dwell_time_passive_bucket > |
| 2822 | req_msg->buckets[bkt_index].channels[j].dwellTimeMs) { |
| 2823 | min_dwell_time_passive_bucket = |
| 2824 | req_msg->buckets[bkt_index].channels[j].dwellTimeMs; |
| 2825 | } |
| 2826 | if (max_dwell_time_passive_bucket < |
| 2827 | req_msg->buckets[bkt_index].channels[j].dwellTimeMs) { |
| 2828 | max_dwell_time_passive_bucket = |
| 2829 | req_msg->buckets[bkt_index].channels[j].dwellTimeMs; |
| 2830 | } |
| 2831 | |
| 2832 | } else { |
| 2833 | req_msg->buckets[bkt_index].channels[j]. |
| 2834 | passive = 0; |
| 2835 | req_msg->buckets[bkt_index].channels[j]. |
| 2836 | dwellTimeMs = |
| 2837 | hdd_ctx->config->extscan_active_max_chn_time; |
| 2838 | /* reconfigure per-bucket dwell times */ |
| 2839 | if (min_dwell_time_active_bucket > |
| 2840 | req_msg->buckets[bkt_index].channels[j].dwellTimeMs) { |
| 2841 | min_dwell_time_active_bucket = |
| 2842 | req_msg->buckets[bkt_index].channels[j].dwellTimeMs; |
| 2843 | } |
| 2844 | if (max_dwell_time_active_bucket < |
| 2845 | req_msg->buckets[bkt_index].channels[j].dwellTimeMs) { |
| 2846 | max_dwell_time_active_bucket = |
| 2847 | req_msg->buckets[bkt_index].channels[j].dwellTimeMs; |
| 2848 | } |
| 2849 | |
| 2850 | } |
| 2851 | |
| 2852 | hddLog(LOG1, |
| 2853 | "Channel: %u Passive: %u Dwell time: %u ms Class: %u", |
| 2854 | req_msg->buckets[bkt_index].channels[j].channel, |
| 2855 | req_msg->buckets[bkt_index].channels[j].passive, |
| 2856 | req_msg->buckets[bkt_index].channels[j].dwellTimeMs, |
| 2857 | req_msg->buckets[bkt_index].channels[j].chnlClass); |
| 2858 | } |
| 2859 | |
| 2860 | hdd_extscan_update_dwell_time_limits( |
| 2861 | req_msg, bkt_index, |
| 2862 | min_dwell_time_active_bucket, |
| 2863 | max_dwell_time_active_bucket, |
| 2864 | min_dwell_time_passive_bucket, |
| 2865 | max_dwell_time_passive_bucket); |
| 2866 | |
| 2867 | hddLog(LOG1, FL("bkt_index:%d actv_min:%d actv_max:%d pass_min:%d pass_max:%d"), |
| 2868 | bkt_index, |
| 2869 | req_msg->buckets[bkt_index].min_dwell_time_active, |
| 2870 | req_msg->buckets[bkt_index].max_dwell_time_active, |
| 2871 | req_msg->buckets[bkt_index].min_dwell_time_passive, |
| 2872 | req_msg->buckets[bkt_index].max_dwell_time_passive); |
| 2873 | |
| 2874 | bkt_index++; |
| 2875 | req_msg->numBuckets++; |
| 2876 | continue; |
| 2877 | } |
| 2878 | |
| 2879 | /* Parse and fetch number of channels */ |
| 2880 | if (!bucket[ |
| 2881 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_BUCKET_SPEC_NUM_CHANNEL_SPECS]) { |
| 2882 | hddLog(LOGE, FL("attr num channels failed")); |
| 2883 | return -EINVAL; |
| 2884 | } |
| 2885 | req_msg->buckets[bkt_index].numChannels = |
| 2886 | nla_get_u32(bucket[ |
| 2887 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_BUCKET_SPEC_NUM_CHANNEL_SPECS]); |
| 2888 | hdd_info("before trimming: num channels %d", |
| 2889 | req_msg->buckets[bkt_index].numChannels); |
| 2890 | |
| 2891 | req_msg->buckets[bkt_index].numChannels = |
| 2892 | CDF_MIN(req_msg->buckets[bkt_index].numChannels, |
| 2893 | (WLAN_EXTSCAN_MAX_CHANNELS - total_channels)); |
| 2894 | hdd_info("Num channels/bucket: %d total_channels: %d", |
| 2895 | req_msg->buckets[bkt_index].numChannels, |
| 2896 | total_channels); |
| 2897 | if (hdd_extscan_channel_max_reached(req_msg, total_channels)) |
| 2898 | return 0; |
| 2899 | |
| 2900 | if (!bucket[QCA_WLAN_VENDOR_ATTR_EXTSCAN_CHANNEL_SPEC]) { |
| 2901 | hddLog(LOGE, FL("attr channel spec failed")); |
| 2902 | return -EINVAL; |
| 2903 | } |
| 2904 | |
| 2905 | j = 0; |
| 2906 | nla_for_each_nested(channels, |
| 2907 | bucket[QCA_WLAN_VENDOR_ATTR_EXTSCAN_CHANNEL_SPEC], rem2) { |
| 2908 | if (nla_parse(channel, |
| 2909 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_SUBCMD_CONFIG_PARAM_MAX, |
| 2910 | nla_data(channels), nla_len(channels), |
| 2911 | wlan_hdd_extscan_config_policy)) { |
| 2912 | hddLog(LOGE, FL("nla_parse failed")); |
| 2913 | return -EINVAL; |
| 2914 | } |
| 2915 | |
| 2916 | if (hdd_extscan_channel_max_reached(req_msg, |
| 2917 | total_channels)) |
| 2918 | break; |
| 2919 | |
| 2920 | /* Parse and fetch channel */ |
| 2921 | if (!channel[ |
| 2922 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_CHANNEL_SPEC_CHANNEL]) { |
| 2923 | hddLog(LOGE, FL("attr channel failed")); |
| 2924 | return -EINVAL; |
| 2925 | } |
| 2926 | req_msg->buckets[bkt_index].channels[j].channel = |
| 2927 | nla_get_u32(channel[ |
| 2928 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_CHANNEL_SPEC_CHANNEL]); |
| 2929 | hddLog(LOG1, FL("channel %u"), |
| 2930 | req_msg->buckets[bkt_index].channels[j].channel); |
| 2931 | |
| 2932 | /* Parse and fetch dwell time */ |
| 2933 | if (!channel[ |
| 2934 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_CHANNEL_SPEC_DWELL_TIME]) { |
| 2935 | hddLog(LOGE, FL("attr dwelltime failed")); |
| 2936 | return -EINVAL; |
| 2937 | } |
| 2938 | req_msg->buckets[bkt_index].channels[j].dwellTimeMs = |
| 2939 | nla_get_u32(channel[ |
| 2940 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_CHANNEL_SPEC_DWELL_TIME]); |
| 2941 | |
| 2942 | /* Override dwell time if required */ |
| 2943 | if (req_msg->buckets[bkt_index].channels[j].dwellTimeMs < |
| 2944 | hdd_ctx->config->extscan_active_min_chn_time || |
| 2945 | req_msg->buckets[bkt_index].channels[j].dwellTimeMs > |
| 2946 | hdd_ctx->config->extscan_active_max_chn_time) { |
| 2947 | hddLog(LOG1, FL("WiFi band is unspecified, dwellTime:%d"), |
| 2948 | req_msg->buckets[bkt_index].channels[j].dwellTimeMs); |
| 2949 | |
| 2950 | if (CDS_IS_PASSIVE_OR_DISABLE_CH( |
| 2951 | cds_freq_to_chan( |
| 2952 | req_msg->buckets[bkt_index].channels[j].channel))) { |
| 2953 | req_msg->buckets[bkt_index].channels[j].dwellTimeMs = |
| 2954 | hdd_ctx->config->extscan_passive_max_chn_time; |
| 2955 | } else { |
| 2956 | req_msg->buckets[bkt_index].channels[j].dwellTimeMs = |
| 2957 | hdd_ctx->config->extscan_active_max_chn_time; |
| 2958 | } |
| 2959 | } |
| 2960 | |
| 2961 | hddLog(LOG1, FL("New Dwell time %u ms"), |
| 2962 | req_msg->buckets[bkt_index].channels[j].dwellTimeMs); |
| 2963 | |
| 2964 | if (CDS_IS_PASSIVE_OR_DISABLE_CH( |
| 2965 | cds_freq_to_chan( |
| 2966 | req_msg->buckets[bkt_index].channels[j].channel))) { |
| 2967 | if (min_dwell_time_passive_bucket > |
| 2968 | req_msg->buckets[bkt_index].channels[j].dwellTimeMs) { |
| 2969 | min_dwell_time_passive_bucket = |
| 2970 | req_msg->buckets[bkt_index].channels[j].dwellTimeMs; |
| 2971 | } |
| 2972 | if (max_dwell_time_passive_bucket < |
| 2973 | req_msg->buckets[bkt_index].channels[j].dwellTimeMs) { |
| 2974 | max_dwell_time_passive_bucket = |
| 2975 | req_msg->buckets[bkt_index].channels[j].dwellTimeMs; |
| 2976 | } |
| 2977 | } else { |
| 2978 | if (min_dwell_time_active_bucket > |
| 2979 | req_msg->buckets[bkt_index].channels[j].dwellTimeMs) { |
| 2980 | min_dwell_time_active_bucket = |
| 2981 | req_msg->buckets[bkt_index].channels[j].dwellTimeMs; |
| 2982 | } |
| 2983 | if (max_dwell_time_active_bucket < |
| 2984 | req_msg->buckets[bkt_index].channels[j].dwellTimeMs) { |
| 2985 | max_dwell_time_active_bucket = |
| 2986 | req_msg->buckets[bkt_index].channels[j].dwellTimeMs; |
| 2987 | } |
| 2988 | } |
| 2989 | |
| 2990 | /* Parse and fetch channel spec passive */ |
| 2991 | if (!channel[ |
| 2992 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_CHANNEL_SPEC_PASSIVE]) { |
| 2993 | hddLog(LOGE, |
| 2994 | FL("attr channel spec passive failed")); |
| 2995 | return -EINVAL; |
| 2996 | } |
| 2997 | req_msg->buckets[bkt_index].channels[j].passive = |
| 2998 | nla_get_u8(channel[ |
| 2999 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_CHANNEL_SPEC_PASSIVE]); |
| 3000 | hddLog(LOG1, FL("Chnl spec passive %u"), |
| 3001 | req_msg->buckets[bkt_index].channels[j].passive); |
| 3002 | /* Override scan type if required */ |
| 3003 | if (CDS_IS_PASSIVE_OR_DISABLE_CH( |
| 3004 | cds_freq_to_chan( |
| 3005 | req_msg->buckets[bkt_index].channels[j].channel))) { |
| 3006 | req_msg->buckets[bkt_index].channels[j].passive = true; |
| 3007 | } else { |
| 3008 | req_msg->buckets[bkt_index].channels[j].passive = false; |
| 3009 | } |
| 3010 | j++; |
| 3011 | total_channels++; |
| 3012 | } |
| 3013 | |
| 3014 | hdd_extscan_update_dwell_time_limits( |
| 3015 | req_msg, bkt_index, |
| 3016 | min_dwell_time_active_bucket, |
| 3017 | max_dwell_time_active_bucket, |
| 3018 | min_dwell_time_passive_bucket, |
| 3019 | max_dwell_time_passive_bucket); |
| 3020 | |
| 3021 | hddLog(LOG1, FL("bktIndex:%d actv_min:%d actv_max:%d pass_min:%d pass_max:%d"), |
| 3022 | bkt_index, |
| 3023 | req_msg->buckets[bkt_index].min_dwell_time_active, |
| 3024 | req_msg->buckets[bkt_index].max_dwell_time_active, |
| 3025 | req_msg->buckets[bkt_index].min_dwell_time_passive, |
| 3026 | req_msg->buckets[bkt_index].max_dwell_time_passive); |
| 3027 | |
| 3028 | bkt_index++; |
| 3029 | req_msg->numBuckets++; |
| 3030 | } |
| 3031 | |
| 3032 | hddLog(LOG1, FL("Global: actv_min:%d actv_max:%d pass_min:%d pass_max:%d"), |
| 3033 | req_msg->min_dwell_time_active, |
| 3034 | req_msg->max_dwell_time_active, |
| 3035 | req_msg->min_dwell_time_passive, |
| 3036 | req_msg->max_dwell_time_passive); |
| 3037 | |
| 3038 | return 0; |
| 3039 | } |
| 3040 | |
| 3041 | /* |
| 3042 | * hdd_extscan_map_usr_drv_config_flags() - map userspace to driver config flags |
| 3043 | * @config_flags - [input] configuration flags. |
| 3044 | * |
| 3045 | * This function maps user space received configuration flags to |
| 3046 | * driver representation. |
| 3047 | * |
| 3048 | * Return: configuration flags |
| 3049 | */ |
| 3050 | static uint32_t hdd_extscan_map_usr_drv_config_flags(uint32_t config_flags) |
| 3051 | { |
| 3052 | uint32_t configuration_flags = 0; |
| 3053 | |
| 3054 | if (config_flags & EXTSCAN_LP_EXTENDED_BATCHING) |
| 3055 | configuration_flags |= EXTSCAN_LP_EXTENDED_BATCHING; |
| 3056 | |
| 3057 | return configuration_flags; |
| 3058 | } |
| 3059 | |
| 3060 | /* |
| 3061 | * define short names for the global vendor params |
| 3062 | * used by __wlan_hdd_cfg80211_extscan_start() |
| 3063 | */ |
| 3064 | #define PARAM_MAX \ |
| 3065 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_SUBCMD_CONFIG_PARAM_MAX |
| 3066 | #define PARAM_REQUEST_ID \ |
| 3067 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_SUBCMD_CONFIG_PARAM_REQUEST_ID |
| 3068 | #define PARAM_BASE_PERIOD \ |
| 3069 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_SCAN_CMD_PARAMS_BASE_PERIOD |
| 3070 | #define PARAM_MAX_AP_PER_SCAN \ |
| 3071 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_SCAN_CMD_PARAMS_MAX_AP_PER_SCAN |
| 3072 | #define PARAM_RPT_THRHLD_PERCENT \ |
| 3073 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_SCAN_CMD_PARAMS_REPORT_THRESHOLD_PERCENT |
| 3074 | #define PARAM_RPT_THRHLD_NUM_SCANS \ |
| 3075 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_SCAN_CMD_PARAMS_REPORT_THRESHOLD_NUM_SCANS |
| 3076 | #define PARAM_NUM_BUCKETS \ |
| 3077 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_SCAN_CMD_PARAMS_NUM_BUCKETS |
| 3078 | #define PARAM_CONFIG_FLAGS \ |
| 3079 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_CONFIGURATION_FLAGS |
| 3080 | |
| 3081 | /** |
| 3082 | * __wlan_hdd_cfg80211_extscan_start() - ext scan start |
| 3083 | * @wiphy: Pointer to wireless phy |
| 3084 | * @wdev: Pointer to wireless device |
| 3085 | * @data: Pointer to data |
| 3086 | * @data_len: Length of @data |
| 3087 | * |
| 3088 | * Return: 0 on success; error number otherwise |
| 3089 | */ |
| 3090 | static int |
| 3091 | __wlan_hdd_cfg80211_extscan_start(struct wiphy *wiphy, |
| 3092 | struct wireless_dev *wdev, |
| 3093 | const void *data, |
| 3094 | int data_len) |
| 3095 | { |
| 3096 | tpSirWifiScanCmdReqParams pReqMsg = NULL; |
| 3097 | struct net_device *dev = wdev->netdev; |
| 3098 | hdd_adapter_t *pAdapter = WLAN_HDD_GET_PRIV_PTR(dev); |
| 3099 | hdd_context_t *pHddCtx = wiphy_priv(wiphy); |
| 3100 | struct nlattr *tb[PARAM_MAX + 1]; |
| 3101 | struct hdd_ext_scan_context *context; |
| 3102 | uint32_t request_id, num_buckets; |
| 3103 | CDF_STATUS status; |
| 3104 | int retval; |
| 3105 | unsigned long rc; |
| 3106 | |
| 3107 | ENTER(); |
| 3108 | |
| 3109 | if (CDF_FTM_MODE == hdd_get_conparam()) { |
| 3110 | hdd_err("Command not allowed in FTM mode"); |
| 3111 | return -EPERM; |
| 3112 | } |
| 3113 | |
| 3114 | retval = wlan_hdd_validate_context(pHddCtx); |
| 3115 | if (0 != retval) { |
| 3116 | hddLog(LOGE, FL("HDD context is not valid")); |
| 3117 | return -EINVAL; |
| 3118 | } |
| 3119 | |
| 3120 | if (nla_parse(tb, PARAM_MAX, data, data_len, |
| 3121 | wlan_hdd_extscan_config_policy)) { |
| 3122 | hddLog(LOGE, FL("Invalid ATTR")); |
| 3123 | return -EINVAL; |
| 3124 | } |
| 3125 | |
| 3126 | pReqMsg = cdf_mem_malloc(sizeof(*pReqMsg)); |
| 3127 | if (!pReqMsg) { |
| 3128 | hddLog(LOGE, FL("memory allocation failed")); |
| 3129 | return -ENOMEM; |
| 3130 | } |
| 3131 | |
| 3132 | /* Parse and fetch request Id */ |
| 3133 | if (!tb[PARAM_REQUEST_ID]) { |
| 3134 | hddLog(LOGE, FL("attr request id failed")); |
| 3135 | goto fail; |
| 3136 | } |
| 3137 | |
| 3138 | pReqMsg->requestId = nla_get_u32(tb[PARAM_REQUEST_ID]); |
| 3139 | pReqMsg->sessionId = pAdapter->sessionId; |
| 3140 | hddLog(LOG1, FL("Req Id %d Session Id %d"), |
| 3141 | pReqMsg->requestId, |
| 3142 | pReqMsg->sessionId); |
| 3143 | |
| 3144 | /* Parse and fetch base period */ |
| 3145 | if (!tb[PARAM_BASE_PERIOD]) { |
| 3146 | hddLog(LOGE, FL("attr base period failed")); |
| 3147 | goto fail; |
| 3148 | } |
| 3149 | pReqMsg->basePeriod = nla_get_u32(tb[PARAM_BASE_PERIOD]); |
| 3150 | hddLog(LOG1, FL("Base Period %d"), |
| 3151 | pReqMsg->basePeriod); |
| 3152 | |
| 3153 | /* Parse and fetch max AP per scan */ |
| 3154 | if (!tb[PARAM_MAX_AP_PER_SCAN]) { |
| 3155 | hddLog(LOGE, FL("attr max_ap_per_scan failed")); |
| 3156 | goto fail; |
| 3157 | } |
| 3158 | pReqMsg->maxAPperScan = nla_get_u32(tb[PARAM_MAX_AP_PER_SCAN]); |
| 3159 | hddLog(LOG1, FL("Max AP per Scan %d"), pReqMsg->maxAPperScan); |
| 3160 | |
| 3161 | /* Parse and fetch report threshold percent */ |
| 3162 | if (!tb[PARAM_RPT_THRHLD_PERCENT]) { |
| 3163 | hddLog(LOGE, FL("attr report_threshold percent failed")); |
| 3164 | goto fail; |
| 3165 | } |
| 3166 | pReqMsg->report_threshold_percent = nla_get_u8(tb[PARAM_RPT_THRHLD_PERCENT]); |
| 3167 | hddLog(LOG1, FL("Report Threshold percent %d"), |
| 3168 | pReqMsg->report_threshold_percent); |
| 3169 | |
| 3170 | /* Parse and fetch report threshold num scans */ |
| 3171 | if (!tb[PARAM_RPT_THRHLD_NUM_SCANS]) { |
| 3172 | hddLog(LOGE, FL("attr report_threshold num scans failed")); |
| 3173 | goto fail; |
| 3174 | } |
| 3175 | pReqMsg->report_threshold_num_scans = nla_get_u8(tb[PARAM_RPT_THRHLD_NUM_SCANS]); |
| 3176 | hddLog(LOG1, FL("Report Threshold num scans %d"), |
| 3177 | pReqMsg->report_threshold_num_scans); |
| 3178 | |
| 3179 | /* Parse and fetch number of buckets */ |
| 3180 | if (!tb[PARAM_NUM_BUCKETS]) { |
| 3181 | hddLog(LOGE, FL("attr number of buckets failed")); |
| 3182 | goto fail; |
| 3183 | } |
| 3184 | num_buckets = nla_get_u8(tb[PARAM_NUM_BUCKETS]); |
| 3185 | if (num_buckets > WLAN_EXTSCAN_MAX_BUCKETS) { |
| 3186 | hdd_warn("Exceeded MAX number of buckets: %d", |
| 3187 | WLAN_EXTSCAN_MAX_BUCKETS); |
| 3188 | } |
| 3189 | hdd_info("Input: Number of Buckets %d", num_buckets); |
| 3190 | |
| 3191 | /* This is optional attribute, if not present set it to 0 */ |
| 3192 | if (!tb[PARAM_CONFIG_FLAGS]) |
| 3193 | pReqMsg->configuration_flags = 0; |
| 3194 | else |
| 3195 | pReqMsg->configuration_flags = |
| 3196 | hdd_extscan_map_usr_drv_config_flags( |
| 3197 | nla_get_u32(tb[PARAM_CONFIG_FLAGS])); |
| 3198 | |
| 3199 | hddLog(LOG1, FL("Configuration flags: %u"), |
| 3200 | pReqMsg->configuration_flags); |
| 3201 | |
| 3202 | if (!tb[QCA_WLAN_VENDOR_ATTR_EXTSCAN_BUCKET_SPEC]) { |
| 3203 | hddLog(LOGE, FL("attr bucket spec failed")); |
| 3204 | goto fail; |
| 3205 | } |
| 3206 | |
| 3207 | if (hdd_extscan_start_fill_bucket_channel_spec(pHddCtx, pReqMsg, tb)) |
| 3208 | goto fail; |
| 3209 | |
| 3210 | context = &ext_scan_context; |
| 3211 | spin_lock(&context->context_lock); |
| 3212 | INIT_COMPLETION(context->response_event); |
| 3213 | context->request_id = request_id = pReqMsg->requestId; |
| 3214 | spin_unlock(&context->context_lock); |
| 3215 | |
| 3216 | status = sme_ext_scan_start(pHddCtx->hHal, pReqMsg); |
| 3217 | if (!CDF_IS_STATUS_SUCCESS(status)) { |
| 3218 | hddLog(LOGE, |
| 3219 | FL("sme_ext_scan_start failed(err=%d)"), status); |
| 3220 | goto fail; |
| 3221 | } |
| 3222 | |
| 3223 | pHddCtx->ext_scan_start_since_boot = cdf_get_monotonic_boottime(); |
| 3224 | hddLog(LOG1, FL("Timestamp since boot: %llu"), |
| 3225 | pHddCtx->ext_scan_start_since_boot); |
| 3226 | |
| 3227 | /* request was sent -- wait for the response */ |
| 3228 | rc = wait_for_completion_timeout(&context->response_event, |
| 3229 | msecs_to_jiffies(WLAN_WAIT_TIME_EXTSCAN)); |
| 3230 | |
| 3231 | if (!rc) { |
| 3232 | hddLog(LOGE, FL("sme_ext_scan_start timed out")); |
| 3233 | retval = -ETIMEDOUT; |
| 3234 | } else { |
| 3235 | spin_lock(&context->context_lock); |
| 3236 | if (context->request_id == request_id) |
| 3237 | retval = context->response_status; |
| 3238 | else |
| 3239 | retval = -EINVAL; |
| 3240 | spin_unlock(&context->context_lock); |
| 3241 | } |
| 3242 | |
| 3243 | return retval; |
| 3244 | |
| 3245 | fail: |
| 3246 | cdf_mem_free(pReqMsg); |
| 3247 | return -EINVAL; |
| 3248 | } |
| 3249 | /* |
| 3250 | * done with short names for the global vendor params |
| 3251 | * used by __wlan_hdd_cfg80211_extscan_start() |
| 3252 | */ |
| 3253 | #undef PARAM_MAX |
| 3254 | #undef PARAM_REQUEST_ID |
| 3255 | #undef PARAM_BASE_PERIOD |
| 3256 | #undef PARAMS_MAX_AP_PER_SCAN |
| 3257 | #undef PARAMS_RPT_THRHLD_PERCENT |
| 3258 | #undef PARAMS_RPT_THRHLD_NUM_SCANS |
| 3259 | #undef PARAMS_NUM_BUCKETS |
| 3260 | #undef PARAM_CONFIG_FLAGS |
| 3261 | |
| 3262 | /** |
| 3263 | * wlan_hdd_cfg80211_extscan_start() - start extscan |
| 3264 | * @wiphy: Pointer to wireless phy. |
| 3265 | * @wdev: Pointer to wireless device. |
| 3266 | * @data: Pointer to input data. |
| 3267 | * @data_len: Length of @data. |
| 3268 | * |
| 3269 | * Return: 0 on success, negative errno on failure |
| 3270 | */ |
| 3271 | int wlan_hdd_cfg80211_extscan_start(struct wiphy *wiphy, |
| 3272 | struct wireless_dev *wdev, |
| 3273 | const void *data, int data_len) |
| 3274 | { |
| 3275 | int ret = 0; |
| 3276 | |
| 3277 | cds_ssr_protect(__func__); |
| 3278 | ret = __wlan_hdd_cfg80211_extscan_start(wiphy, wdev, data, data_len); |
| 3279 | cds_ssr_unprotect(__func__); |
| 3280 | |
| 3281 | return ret; |
| 3282 | } |
| 3283 | |
| 3284 | |
| 3285 | /* |
| 3286 | * define short names for the global vendor params |
| 3287 | * used by __wlan_hdd_cfg80211_extscan_stop() |
| 3288 | */ |
| 3289 | #define PARAM_MAX \ |
| 3290 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_SUBCMD_CONFIG_PARAM_MAX |
| 3291 | #define PARAM_REQUEST_ID \ |
| 3292 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_SUBCMD_CONFIG_PARAM_REQUEST_ID |
| 3293 | |
| 3294 | /** |
| 3295 | * __wlan_hdd_cfg80211_extscan_stop() - ext scan stop |
| 3296 | * @wiphy: Pointer to wireless phy |
| 3297 | * @wdev: Pointer to wireless device |
| 3298 | * @data: Pointer to data |
| 3299 | * @data_len: Data length |
| 3300 | * |
| 3301 | * Return: none |
| 3302 | */ |
| 3303 | static int |
| 3304 | __wlan_hdd_cfg80211_extscan_stop(struct wiphy *wiphy, |
| 3305 | struct wireless_dev *wdev, |
| 3306 | const void *data, int data_len) |
| 3307 | { |
| 3308 | tpSirExtScanStopReqParams pReqMsg = NULL; |
| 3309 | struct net_device *dev = wdev->netdev; |
| 3310 | hdd_adapter_t *pAdapter = WLAN_HDD_GET_PRIV_PTR(dev); |
| 3311 | hdd_context_t *pHddCtx = wiphy_priv(wiphy); |
| 3312 | struct nlattr *tb[PARAM_MAX + 1]; |
| 3313 | struct hdd_ext_scan_context *context; |
| 3314 | CDF_STATUS status; |
| 3315 | uint32_t request_id; |
| 3316 | int retval; |
| 3317 | unsigned long rc; |
| 3318 | |
| 3319 | ENTER(); |
| 3320 | |
| 3321 | if (CDF_FTM_MODE == hdd_get_conparam()) { |
| 3322 | hdd_err("Command not allowed in FTM mode"); |
| 3323 | return -EPERM; |
| 3324 | } |
| 3325 | |
| 3326 | retval = wlan_hdd_validate_context(pHddCtx); |
| 3327 | if (0 != retval) { |
| 3328 | hddLog(LOGE, FL("HDD context is not valid")); |
| 3329 | return -EINVAL; |
| 3330 | } |
| 3331 | |
| 3332 | if (nla_parse(tb, PARAM_MAX, data, data_len, |
| 3333 | wlan_hdd_extscan_config_policy)) { |
| 3334 | hddLog(LOGE, FL("Invalid ATTR")); |
| 3335 | return -EINVAL; |
| 3336 | } |
| 3337 | |
| 3338 | pReqMsg = cdf_mem_malloc(sizeof(*pReqMsg)); |
| 3339 | if (!pReqMsg) { |
| 3340 | hddLog(LOGE, FL("cdf_mem_malloc failed")); |
| 3341 | return -ENOMEM; |
| 3342 | } |
| 3343 | |
| 3344 | /* Parse and fetch request Id */ |
| 3345 | if (!tb[PARAM_REQUEST_ID]) { |
| 3346 | hddLog(LOGE, FL("attr request id failed")); |
| 3347 | goto fail; |
| 3348 | } |
| 3349 | |
| 3350 | pReqMsg->requestId = nla_get_u32(tb[PARAM_REQUEST_ID]); |
| 3351 | pReqMsg->sessionId = pAdapter->sessionId; |
| 3352 | hddLog(LOG1, FL("Req Id %d Session Id %d"), |
| 3353 | pReqMsg->requestId, pReqMsg->sessionId); |
| 3354 | |
| 3355 | context = &ext_scan_context; |
| 3356 | spin_lock(&context->context_lock); |
| 3357 | INIT_COMPLETION(context->response_event); |
| 3358 | context->request_id = request_id = pReqMsg->requestId; |
| 3359 | spin_unlock(&context->context_lock); |
| 3360 | |
| 3361 | status = sme_ext_scan_stop(pHddCtx->hHal, pReqMsg); |
| 3362 | if (!CDF_IS_STATUS_SUCCESS(status)) { |
| 3363 | hddLog(LOGE, |
| 3364 | FL("sme_ext_scan_stop failed(err=%d)"), status); |
| 3365 | goto fail; |
| 3366 | } |
| 3367 | |
| 3368 | /* request was sent -- wait for the response */ |
| 3369 | rc = wait_for_completion_timeout(&context->response_event, |
| 3370 | msecs_to_jiffies(WLAN_WAIT_TIME_EXTSCAN)); |
| 3371 | |
| 3372 | if (!rc) { |
| 3373 | hddLog(LOGE, FL("sme_ext_scan_stop timed out")); |
| 3374 | retval = -ETIMEDOUT; |
| 3375 | } else { |
| 3376 | spin_lock(&context->context_lock); |
| 3377 | if (context->request_id == request_id) |
| 3378 | retval = context->response_status; |
| 3379 | else |
| 3380 | retval = -EINVAL; |
| 3381 | spin_unlock(&context->context_lock); |
| 3382 | } |
| 3383 | |
| 3384 | return retval; |
| 3385 | |
| 3386 | fail: |
| 3387 | cdf_mem_free(pReqMsg); |
| 3388 | return -EINVAL; |
| 3389 | } |
| 3390 | /* |
| 3391 | * done with short names for the global vendor params |
| 3392 | * used by wlan_hdd_cfg80211_extscan_stop() |
| 3393 | */ |
| 3394 | #undef PARAM_MAX |
| 3395 | #undef PARAM_REQUEST_ID |
| 3396 | |
| 3397 | |
| 3398 | /** |
| 3399 | * wlan_hdd_cfg80211_extscan_stop() - stop extscan |
| 3400 | * @wiphy: Pointer to wireless phy. |
| 3401 | * @wdev: Pointer to wireless device. |
| 3402 | * @data: Pointer to input data. |
| 3403 | * @data_len: Length of @data. |
| 3404 | * |
| 3405 | * Return: 0 on success, negative errno on failure |
| 3406 | */ |
| 3407 | int wlan_hdd_cfg80211_extscan_stop(struct wiphy *wiphy, |
| 3408 | struct wireless_dev *wdev, |
| 3409 | const void *data, int data_len) |
| 3410 | { |
| 3411 | int ret = 0; |
| 3412 | |
| 3413 | cds_ssr_protect(__func__); |
| 3414 | ret = __wlan_hdd_cfg80211_extscan_stop(wiphy, wdev, data, data_len); |
| 3415 | cds_ssr_unprotect(__func__); |
| 3416 | |
| 3417 | return ret; |
| 3418 | } |
| 3419 | |
| 3420 | |
| 3421 | /** |
| 3422 | * __wlan_hdd_cfg80211_extscan_reset_bssid_hotlist() - reset bssid hotlist |
| 3423 | * @wiphy: Pointer to wireless phy |
| 3424 | * @wdev: Pointer to wireless device |
| 3425 | * @data: Pointer to data |
| 3426 | * @data_len: Data length |
| 3427 | * |
| 3428 | * Return: none |
| 3429 | */ |
| 3430 | static int |
| 3431 | __wlan_hdd_cfg80211_extscan_reset_bssid_hotlist(struct wiphy *wiphy, |
| 3432 | struct wireless_dev |
| 3433 | *wdev, const void *data, |
| 3434 | int data_len) |
| 3435 | { |
| 3436 | tpSirExtScanResetBssidHotlistReqParams pReqMsg = NULL; |
| 3437 | struct net_device *dev = wdev->netdev; |
| 3438 | hdd_adapter_t *pAdapter = WLAN_HDD_GET_PRIV_PTR(dev); |
| 3439 | hdd_context_t *pHddCtx = wiphy_priv(wiphy); |
| 3440 | struct nlattr *tb[QCA_WLAN_VENDOR_ATTR_EXTSCAN_SUBCMD_CONFIG_PARAM_MAX + |
| 3441 | 1]; |
| 3442 | struct hdd_ext_scan_context *context; |
| 3443 | uint32_t request_id; |
| 3444 | CDF_STATUS status; |
| 3445 | int retval; |
| 3446 | unsigned long rc; |
| 3447 | |
| 3448 | ENTER(); |
| 3449 | |
| 3450 | if (CDF_FTM_MODE == hdd_get_conparam()) { |
| 3451 | hdd_err("Command not allowed in FTM mode"); |
| 3452 | return -EPERM; |
| 3453 | } |
| 3454 | |
| 3455 | retval = wlan_hdd_validate_context(pHddCtx); |
| 3456 | if (0 != retval) { |
| 3457 | hddLog(LOGE, FL("HDD context is not valid")); |
| 3458 | return -EINVAL; |
| 3459 | } |
| 3460 | |
| 3461 | if (nla_parse(tb, QCA_WLAN_VENDOR_ATTR_EXTSCAN_SUBCMD_CONFIG_PARAM_MAX, |
| 3462 | data, data_len, wlan_hdd_extscan_config_policy)) { |
| 3463 | hddLog(LOGE, FL("Invalid ATTR")); |
| 3464 | return -EINVAL; |
| 3465 | } |
| 3466 | |
| 3467 | pReqMsg = cdf_mem_malloc(sizeof(*pReqMsg)); |
| 3468 | if (!pReqMsg) { |
| 3469 | hddLog(LOGE, FL("cdf_mem_malloc failed")); |
| 3470 | return -ENOMEM; |
| 3471 | } |
| 3472 | |
| 3473 | /* Parse and fetch request Id */ |
| 3474 | if (!tb[QCA_WLAN_VENDOR_ATTR_EXTSCAN_SUBCMD_CONFIG_PARAM_REQUEST_ID]) { |
| 3475 | hddLog(LOGE, FL("attr request id failed")); |
| 3476 | goto fail; |
| 3477 | } |
| 3478 | |
| 3479 | pReqMsg->requestId = |
| 3480 | nla_get_u32(tb |
| 3481 | [QCA_WLAN_VENDOR_ATTR_EXTSCAN_SUBCMD_CONFIG_PARAM_REQUEST_ID]); |
| 3482 | pReqMsg->sessionId = pAdapter->sessionId; |
| 3483 | hddLog(LOG1, FL("Req Id %d Session Id %d"), |
| 3484 | pReqMsg->requestId, pReqMsg->sessionId); |
| 3485 | |
| 3486 | context = &ext_scan_context; |
| 3487 | spin_lock(&context->context_lock); |
| 3488 | INIT_COMPLETION(context->response_event); |
| 3489 | context->request_id = request_id = pReqMsg->requestId; |
| 3490 | spin_unlock(&context->context_lock); |
| 3491 | |
| 3492 | status = sme_reset_bss_hotlist(pHddCtx->hHal, pReqMsg); |
| 3493 | if (!CDF_IS_STATUS_SUCCESS(status)) { |
| 3494 | hddLog(LOGE, |
| 3495 | FL("sme_reset_bss_hotlist failed(err=%d)"), status); |
| 3496 | goto fail; |
| 3497 | } |
| 3498 | |
| 3499 | /* request was sent -- wait for the response */ |
| 3500 | rc = wait_for_completion_timeout |
| 3501 | (&context->response_event, |
| 3502 | msecs_to_jiffies(WLAN_WAIT_TIME_EXTSCAN)); |
| 3503 | if (!rc) { |
| 3504 | hddLog(LOGE, FL("sme_reset_bss_hotlist timed out")); |
| 3505 | retval = -ETIMEDOUT; |
| 3506 | } else { |
| 3507 | spin_lock(&context->context_lock); |
| 3508 | if (context->request_id == request_id) |
| 3509 | retval = context->response_status; |
| 3510 | else |
| 3511 | retval = -EINVAL; |
| 3512 | spin_unlock(&context->context_lock); |
| 3513 | } |
| 3514 | |
| 3515 | return retval; |
| 3516 | |
| 3517 | fail: |
| 3518 | cdf_mem_free(pReqMsg); |
| 3519 | return -EINVAL; |
| 3520 | } |
| 3521 | |
| 3522 | /** |
| 3523 | * wlan_hdd_cfg80211_extscan_reset_bssid_hotlist() - reset bssid hot list |
| 3524 | * @wiphy: Pointer to wireless phy |
| 3525 | * @wdev: Pointer to wireless device |
| 3526 | * @data: Pointer to data |
| 3527 | * @data_len: Data length |
| 3528 | * |
| 3529 | * Return: 0 on success, negative errno on failure |
| 3530 | */ |
| 3531 | int wlan_hdd_cfg80211_extscan_reset_bssid_hotlist(struct wiphy *wiphy, |
| 3532 | struct wireless_dev *wdev, |
| 3533 | const void *data, int data_len) |
| 3534 | { |
| 3535 | int ret = 0; |
| 3536 | |
| 3537 | cds_ssr_protect(__func__); |
| 3538 | ret = __wlan_hdd_cfg80211_extscan_reset_bssid_hotlist(wiphy, wdev, |
| 3539 | data, data_len); |
| 3540 | cds_ssr_unprotect(__func__); |
| 3541 | |
| 3542 | return ret; |
| 3543 | } |
| 3544 | |
| 3545 | /** |
| 3546 | * __wlan_hdd_cfg80211_extscan_reset_significant_change() - |
| 3547 | * reset significant change |
| 3548 | * @wiphy: Pointer to wireless phy |
| 3549 | * @wdev: Pointer to wireless device |
| 3550 | * @data: Pointer to data |
| 3551 | * @data_len: Data length |
| 3552 | * |
| 3553 | * Return: none |
| 3554 | */ |
| 3555 | static int |
| 3556 | __wlan_hdd_cfg80211_extscan_reset_significant_change(struct wiphy |
| 3557 | *wiphy, |
| 3558 | struct |
| 3559 | wireless_dev |
| 3560 | *wdev, const void *data, |
| 3561 | int data_len) |
| 3562 | { |
| 3563 | tpSirExtScanResetSignificantChangeReqParams pReqMsg = NULL; |
| 3564 | struct net_device *dev = wdev->netdev; |
| 3565 | hdd_adapter_t *pAdapter = WLAN_HDD_GET_PRIV_PTR(dev); |
| 3566 | hdd_context_t *pHddCtx = wiphy_priv(wiphy); |
| 3567 | struct nlattr *tb[QCA_WLAN_VENDOR_ATTR_EXTSCAN_SUBCMD_CONFIG_PARAM_MAX + |
| 3568 | 1]; |
| 3569 | struct hdd_ext_scan_context *context; |
| 3570 | uint32_t request_id; |
| 3571 | CDF_STATUS status; |
| 3572 | int retval; |
| 3573 | unsigned long rc; |
| 3574 | |
| 3575 | ENTER(); |
| 3576 | |
| 3577 | if (CDF_FTM_MODE == hdd_get_conparam()) { |
| 3578 | hdd_err("Command not allowed in FTM mode"); |
| 3579 | return -EPERM; |
| 3580 | } |
| 3581 | |
| 3582 | retval = wlan_hdd_validate_context(pHddCtx); |
| 3583 | if (0 != retval) { |
| 3584 | hddLog(LOGE, FL("HDD context is not valid")); |
| 3585 | return -EINVAL; |
| 3586 | } |
| 3587 | |
| 3588 | if (nla_parse(tb, QCA_WLAN_VENDOR_ATTR_EXTSCAN_SUBCMD_CONFIG_PARAM_MAX, |
| 3589 | data, data_len, wlan_hdd_extscan_config_policy)) { |
| 3590 | hddLog(LOGE, FL("Invalid ATTR")); |
| 3591 | return -EINVAL; |
| 3592 | } |
| 3593 | |
| 3594 | pReqMsg = cdf_mem_malloc(sizeof(*pReqMsg)); |
| 3595 | if (!pReqMsg) { |
| 3596 | hddLog(LOGE, FL("cdf_mem_malloc failed")); |
| 3597 | return -ENOMEM; |
| 3598 | } |
| 3599 | |
| 3600 | /* Parse and fetch request Id */ |
| 3601 | if (!tb[QCA_WLAN_VENDOR_ATTR_EXTSCAN_SUBCMD_CONFIG_PARAM_REQUEST_ID]) { |
| 3602 | hddLog(LOGE, FL("attr request id failed")); |
| 3603 | goto fail; |
| 3604 | } |
| 3605 | |
| 3606 | pReqMsg->requestId = |
| 3607 | nla_get_u32(tb |
| 3608 | [QCA_WLAN_VENDOR_ATTR_EXTSCAN_SUBCMD_CONFIG_PARAM_REQUEST_ID]); |
| 3609 | pReqMsg->sessionId = pAdapter->sessionId; |
| 3610 | hddLog(LOG1, FL("Req Id %d Session Id %d"), |
| 3611 | pReqMsg->requestId, pReqMsg->sessionId); |
| 3612 | |
| 3613 | context = &ext_scan_context; |
| 3614 | spin_lock(&context->context_lock); |
| 3615 | INIT_COMPLETION(context->response_event); |
| 3616 | context->request_id = request_id = pReqMsg->requestId; |
| 3617 | spin_unlock(&context->context_lock); |
| 3618 | |
| 3619 | status = sme_reset_significant_change(pHddCtx->hHal, pReqMsg); |
| 3620 | if (!CDF_IS_STATUS_SUCCESS(status)) { |
| 3621 | hddLog(LOGE, FL("sme_reset_significant_change failed(err=%d)"), |
| 3622 | status); |
| 3623 | cdf_mem_free(pReqMsg); |
| 3624 | return -EINVAL; |
| 3625 | } |
| 3626 | |
| 3627 | /* request was sent -- wait for the response */ |
| 3628 | rc = wait_for_completion_timeout(&context->response_event, |
| 3629 | msecs_to_jiffies(WLAN_WAIT_TIME_EXTSCAN)); |
| 3630 | |
| 3631 | if (!rc) { |
| 3632 | hddLog(LOGE, FL("sme_ResetSignificantChange timed out")); |
| 3633 | retval = -ETIMEDOUT; |
| 3634 | } else { |
| 3635 | spin_lock(&context->context_lock); |
| 3636 | if (context->request_id == request_id) |
| 3637 | retval = context->response_status; |
| 3638 | else |
| 3639 | retval = -EINVAL; |
| 3640 | spin_unlock(&context->context_lock); |
| 3641 | } |
| 3642 | |
| 3643 | return retval; |
| 3644 | |
| 3645 | fail: |
| 3646 | cdf_mem_free(pReqMsg); |
| 3647 | return -EINVAL; |
| 3648 | } |
| 3649 | |
| 3650 | /** |
| 3651 | * wlan_hdd_cfg80211_extscan_reset_significant_change() - reset significant |
| 3652 | * change |
| 3653 | * @wiphy: Pointer to wireless phy |
| 3654 | * @wdev: Pointer to wireless device |
| 3655 | * @data: Pointer to data |
| 3656 | * @data_len: Data length |
| 3657 | * |
| 3658 | * Return: 0 on success, negative errno on failure |
| 3659 | */ |
| 3660 | int wlan_hdd_cfg80211_extscan_reset_significant_change(struct wiphy *wiphy, |
| 3661 | struct wireless_dev *wdev, |
| 3662 | const void *data, int data_len) |
| 3663 | { |
| 3664 | int ret = 0; |
| 3665 | |
| 3666 | cds_ssr_protect(__func__); |
| 3667 | ret = __wlan_hdd_cfg80211_extscan_reset_significant_change(wiphy, wdev, |
| 3668 | data, data_len); |
| 3669 | cds_ssr_unprotect(__func__); |
| 3670 | |
| 3671 | return ret; |
| 3672 | } |
| 3673 | |
| 3674 | |
| 3675 | /** |
| 3676 | * hdd_extscan_epno_fill_network_list() - epno fill network list |
| 3677 | * @hddctx: HDD context |
| 3678 | * @req_msg: request message |
| 3679 | * @tb: vendor attribute table |
| 3680 | * |
| 3681 | * This function reads the network block NL vendor attributes from %tb and |
| 3682 | * fill in the epno request message. |
| 3683 | * |
| 3684 | * Return: 0 on success, error number otherwise |
| 3685 | */ |
| 3686 | static int hdd_extscan_epno_fill_network_list( |
| 3687 | hdd_context_t *hddctx, |
| 3688 | struct wifi_epno_params *req_msg, |
| 3689 | struct nlattr **tb) |
| 3690 | { |
| 3691 | struct nlattr *network[ |
| 3692 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_SUBCMD_CONFIG_PARAM_MAX + 1]; |
| 3693 | struct nlattr *networks; |
| 3694 | int rem1, ssid_len; |
| 3695 | uint8_t index, *ssid; |
| 3696 | |
| 3697 | index = 0; |
| 3698 | nla_for_each_nested(networks, |
| 3699 | tb[QCA_WLAN_VENDOR_ATTR_PNO_SET_LIST_PARAM_EPNO_NETWORKS_LIST], |
| 3700 | rem1) { |
| 3701 | if (nla_parse(network, |
| 3702 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_SUBCMD_CONFIG_PARAM_MAX, |
| 3703 | nla_data(networks), nla_len(networks), NULL)) { |
| 3704 | hddLog(LOGE, FL("nla_parse failed")); |
| 3705 | return -EINVAL; |
| 3706 | } |
| 3707 | |
| 3708 | /* Parse and fetch ssid */ |
| 3709 | if (!network[QCA_WLAN_VENDOR_ATTR_PNO_SET_LIST_PARAM_EPNO_NETWORK_SSID]) { |
| 3710 | hddLog(LOGE, FL("attr network ssid failed")); |
| 3711 | return -EINVAL; |
| 3712 | } |
| 3713 | ssid_len = nla_len( |
| 3714 | network[QCA_WLAN_VENDOR_ATTR_PNO_SET_LIST_PARAM_EPNO_NETWORK_SSID]); |
| 3715 | |
| 3716 | /* Decrement by 1, don't count null character */ |
| 3717 | ssid_len--; |
| 3718 | |
| 3719 | req_msg->networks[index].ssid.length = ssid_len; |
| 3720 | hddLog(LOG1, FL("network ssid length %d"), ssid_len); |
| 3721 | ssid = nla_data(network[QCA_WLAN_VENDOR_ATTR_PNO_SET_LIST_PARAM_EPNO_NETWORK_SSID]); |
| 3722 | cdf_mem_copy(req_msg->networks[index].ssid.ssId, |
| 3723 | ssid, ssid_len); |
| 3724 | hddLog(LOG1, FL("Ssid (%.*s)"), |
| 3725 | req_msg->networks[index].ssid.length, |
| 3726 | req_msg->networks[index].ssid.ssId); |
| 3727 | |
| 3728 | /* Parse and fetch rssi threshold */ |
| 3729 | if (!network[QCA_WLAN_VENDOR_ATTR_PNO_SET_LIST_PARAM_EPNO_NETWORK_RSSI_THRESHOLD]) { |
| 3730 | hddLog(LOGE, FL("attr rssi threshold failed")); |
| 3731 | return -EINVAL; |
| 3732 | } |
| 3733 | req_msg->networks[index].rssi_threshold = nla_get_s8( |
| 3734 | network[QCA_WLAN_VENDOR_ATTR_PNO_SET_LIST_PARAM_EPNO_NETWORK_RSSI_THRESHOLD]); |
| 3735 | hddLog(LOG1, FL("rssi threshold %d"), |
| 3736 | req_msg->networks[index].rssi_threshold); |
| 3737 | |
| 3738 | /* Parse and fetch epno flags */ |
| 3739 | if (!network[QCA_WLAN_VENDOR_ATTR_PNO_SET_LIST_PARAM_EPNO_NETWORK_FLAGS]) { |
| 3740 | hddLog(LOGE, FL("attr epno flags failed")); |
| 3741 | return -EINVAL; |
| 3742 | } |
| 3743 | req_msg->networks[index].flags = nla_get_u8( |
| 3744 | network[QCA_WLAN_VENDOR_ATTR_PNO_SET_LIST_PARAM_EPNO_NETWORK_FLAGS]); |
| 3745 | hddLog(LOG1, FL("flags %u"), req_msg->networks[index].flags); |
| 3746 | |
| 3747 | /* Parse and fetch auth bit */ |
| 3748 | if (!network[QCA_WLAN_VENDOR_ATTR_PNO_SET_LIST_PARAM_EPNO_NETWORK_AUTH_BIT]) { |
| 3749 | hddLog(LOGE, FL("attr auth bit failed")); |
| 3750 | return -EINVAL; |
| 3751 | } |
| 3752 | req_msg->networks[index].auth_bit_field = nla_get_u8( |
| 3753 | network[QCA_WLAN_VENDOR_ATTR_PNO_SET_LIST_PARAM_EPNO_NETWORK_AUTH_BIT]); |
| 3754 | hddLog(LOG1, FL("auth bit %u"), |
| 3755 | req_msg->networks[index].auth_bit_field); |
| 3756 | |
| 3757 | index++; |
| 3758 | } |
| 3759 | return 0; |
| 3760 | } |
| 3761 | |
| 3762 | /** |
| 3763 | * __wlan_hdd_cfg80211_set_epno_list() - epno set network list |
| 3764 | * @wiphy: wiphy |
| 3765 | * @wdev: pointer to wireless dev |
| 3766 | * @data: data pointer |
| 3767 | * @data_len: data length |
| 3768 | * |
| 3769 | * This function reads the NL vendor attributes from %tb and |
| 3770 | * fill in the epno request message. |
| 3771 | * |
| 3772 | * Return: 0 on success, error number otherwise |
| 3773 | */ |
| 3774 | static int __wlan_hdd_cfg80211_set_epno_list(struct wiphy *wiphy, |
| 3775 | struct wireless_dev *wdev, |
| 3776 | const void *data, |
| 3777 | int data_len) |
| 3778 | { |
| 3779 | struct wifi_epno_params *req_msg = NULL; |
| 3780 | struct net_device *dev = wdev->netdev; |
| 3781 | hdd_adapter_t *adapter = WLAN_HDD_GET_PRIV_PTR(dev); |
| 3782 | hdd_context_t *hdd_ctx = wiphy_priv(wiphy); |
| 3783 | struct nlattr *tb[ |
| 3784 | QCA_WLAN_VENDOR_ATTR_PNO_MAX + 1]; |
| 3785 | CDF_STATUS status; |
| 3786 | uint32_t num_networks, len; |
| 3787 | int ret_val; |
| 3788 | |
| 3789 | ENTER(); |
| 3790 | |
| 3791 | ret_val = wlan_hdd_validate_context(hdd_ctx); |
| 3792 | if (ret_val) |
| 3793 | return ret_val; |
| 3794 | |
| 3795 | if (CDF_FTM_MODE == hdd_get_conparam()) { |
| 3796 | hdd_err("Command not allowed in FTM mode"); |
| 3797 | return -EPERM; |
| 3798 | } |
| 3799 | |
| 3800 | if (nla_parse(tb, QCA_WLAN_VENDOR_ATTR_PNO_MAX, |
| 3801 | data, data_len, |
| 3802 | wlan_hdd_extscan_config_policy)) { |
| 3803 | hddLog(LOGE, FL("Invalid ATTR")); |
| 3804 | return -EINVAL; |
| 3805 | } |
| 3806 | |
| 3807 | /* Parse and fetch number of networks */ |
| 3808 | if (!tb[QCA_WLAN_VENDOR_ATTR_PNO_SET_LIST_PARAM_NUM_NETWORKS]) { |
| 3809 | hddLog(LOGE, FL("attr num networks failed")); |
| 3810 | return -EINVAL; |
| 3811 | } |
| 3812 | num_networks = nla_get_u32( |
| 3813 | tb[QCA_WLAN_VENDOR_ATTR_PNO_SET_LIST_PARAM_NUM_NETWORKS]); |
| 3814 | hddLog(LOG1, FL("num networks %u"), num_networks); |
| 3815 | |
| 3816 | len = sizeof(*req_msg) + |
| 3817 | (num_networks * sizeof(struct wifi_epno_network)); |
| 3818 | req_msg = cdf_mem_malloc(len); |
| 3819 | if (!req_msg) { |
| 3820 | hddLog(LOGE, FL("cdf_mem_malloc failed")); |
| 3821 | return -ENOMEM; |
| 3822 | } |
| 3823 | cdf_mem_zero(req_msg, len); |
| 3824 | req_msg->num_networks = num_networks; |
| 3825 | |
| 3826 | /* Parse and fetch request Id */ |
| 3827 | if (!tb[QCA_WLAN_VENDOR_ATTR_EXTSCAN_SUBCMD_CONFIG_PARAM_REQUEST_ID]) { |
| 3828 | hddLog(LOGE, FL("attr request id failed")); |
| 3829 | goto fail; |
| 3830 | } |
| 3831 | req_msg->request_id = nla_get_u32( |
| 3832 | tb[QCA_WLAN_VENDOR_ATTR_EXTSCAN_SUBCMD_CONFIG_PARAM_REQUEST_ID]); |
| 3833 | hddLog(LOG1, FL("Req Id %u"), req_msg->request_id); |
| 3834 | |
| 3835 | req_msg->session_id = adapter->sessionId; |
| 3836 | hddLog(LOG1, FL("Session Id %d"), req_msg->session_id); |
| 3837 | |
| 3838 | if (hdd_extscan_epno_fill_network_list(hdd_ctx, req_msg, tb)) |
| 3839 | goto fail; |
| 3840 | |
| 3841 | status = sme_set_epno_list(hdd_ctx->hHal, req_msg); |
| 3842 | if (!CDF_IS_STATUS_SUCCESS(status)) { |
| 3843 | hddLog(LOGE, FL("sme_set_epno_list failed(err=%d)"), status); |
| 3844 | goto fail; |
| 3845 | } |
| 3846 | |
| 3847 | EXIT(); |
| 3848 | cdf_mem_free(req_msg); |
| 3849 | return 0; |
| 3850 | |
| 3851 | fail: |
| 3852 | cdf_mem_free(req_msg); |
| 3853 | return -EINVAL; |
| 3854 | } |
| 3855 | |
| 3856 | /** |
| 3857 | * wlan_hdd_cfg80211_set_epno_list() - epno set network list |
| 3858 | * @wiphy: wiphy |
| 3859 | * @wdev: pointer to wireless dev |
| 3860 | * @data: data pointer |
| 3861 | * @data_len: data length |
| 3862 | * |
| 3863 | * This function reads the NL vendor attributes from %tb and |
| 3864 | * fill in the epno request message. |
| 3865 | * |
| 3866 | * Return: 0 on success, error number otherwise |
| 3867 | */ |
| 3868 | int wlan_hdd_cfg80211_set_epno_list(struct wiphy *wiphy, |
| 3869 | struct wireless_dev *wdev, |
| 3870 | const void *data, |
| 3871 | int data_len) |
| 3872 | { |
| 3873 | int ret; |
| 3874 | |
| 3875 | cds_ssr_protect(__func__); |
| 3876 | ret = __wlan_hdd_cfg80211_set_epno_list(wiphy, wdev, |
| 3877 | data, data_len); |
| 3878 | cds_ssr_unprotect(__func__); |
| 3879 | |
| 3880 | return ret; |
| 3881 | } |
| 3882 | |
| 3883 | /** |
| 3884 | * hdd_extscan_passpoint_fill_network_list() - passpoint fill network list |
| 3885 | * @hddctx: HDD context |
| 3886 | * @req_msg: request message |
| 3887 | * @tb: vendor attribute table |
| 3888 | * |
| 3889 | * This function reads the network block NL vendor attributes from %tb and |
| 3890 | * fill in the passpoint request message. |
| 3891 | * |
| 3892 | * Return: 0 on success, error number otherwise |
| 3893 | */ |
| 3894 | static int hdd_extscan_passpoint_fill_network_list( |
| 3895 | hdd_context_t *hddctx, |
| 3896 | struct wifi_passpoint_req *req_msg, |
| 3897 | struct nlattr **tb) |
| 3898 | { |
| 3899 | struct nlattr *network[QCA_WLAN_VENDOR_ATTR_PNO_MAX + 1]; |
| 3900 | struct nlattr *networks; |
| 3901 | int rem1, len; |
| 3902 | uint8_t index; |
| 3903 | |
| 3904 | index = 0; |
| 3905 | nla_for_each_nested(networks, |
| 3906 | tb[QCA_WLAN_VENDOR_ATTR_PNO_PASSPOINT_LIST_PARAM_NETWORK_ARRAY], |
| 3907 | rem1) { |
| 3908 | if (nla_parse(network, |
| 3909 | QCA_WLAN_VENDOR_ATTR_PNO_MAX, |
| 3910 | nla_data(networks), nla_len(networks), NULL)) { |
| 3911 | hddLog(LOGE, FL("nla_parse failed")); |
| 3912 | return -EINVAL; |
| 3913 | } |
| 3914 | |
| 3915 | /* Parse and fetch identifier */ |
| 3916 | if (!network[QCA_WLAN_VENDOR_ATTR_PNO_PASSPOINT_NETWORK_PARAM_ID]) { |
| 3917 | hddLog(LOGE, FL("attr passpoint id failed")); |
| 3918 | return -EINVAL; |
| 3919 | } |
| 3920 | req_msg->networks[index].id = nla_get_u32( |
| 3921 | network[QCA_WLAN_VENDOR_ATTR_PNO_PASSPOINT_NETWORK_PARAM_ID]); |
| 3922 | hddLog(LOG1, FL("Id %u"), req_msg->networks[index].id); |
| 3923 | |
| 3924 | /* Parse and fetch realm */ |
| 3925 | if (!network[QCA_WLAN_VENDOR_ATTR_PNO_PASSPOINT_NETWORK_PARAM_REALM]) { |
| 3926 | hddLog(LOGE, FL("attr realm failed")); |
| 3927 | return -EINVAL; |
| 3928 | } |
| 3929 | len = nla_len( |
| 3930 | network[QCA_WLAN_VENDOR_ATTR_PNO_PASSPOINT_NETWORK_PARAM_REALM]); |
| 3931 | if (len < 0 || len > SIR_PASSPOINT_REALM_LEN) { |
| 3932 | hddLog(LOGE, FL("Invalid realm size %d"), len); |
| 3933 | return -EINVAL; |
| 3934 | } |
| 3935 | cdf_mem_copy(req_msg->networks[index].realm, |
| 3936 | nla_data(network[QCA_WLAN_VENDOR_ATTR_PNO_PASSPOINT_NETWORK_PARAM_REALM]), |
| 3937 | len); |
| 3938 | hddLog(LOG1, FL("realm len %d"), len); |
| 3939 | hddLog(LOG1, FL("realm: %s"), req_msg->networks[index].realm); |
| 3940 | |
| 3941 | /* Parse and fetch roaming consortium ids */ |
| 3942 | if (!network[QCA_WLAN_VENDOR_ATTR_PNO_PASSPOINT_NETWORK_PARAM_ROAM_CNSRTM_ID]) { |
| 3943 | hddLog(LOGE, FL("attr roaming consortium ids failed")); |
| 3944 | return -EINVAL; |
| 3945 | } |
| 3946 | nla_memcpy(&req_msg->networks[index].roaming_consortium_ids, |
| 3947 | network[QCA_WLAN_VENDOR_ATTR_PNO_PASSPOINT_NETWORK_PARAM_ROAM_CNSRTM_ID], |
| 3948 | sizeof(req_msg->networks[0].roaming_consortium_ids)); |
| 3949 | hddLog(LOG1, FL("roaming consortium ids")); |
| 3950 | |
| 3951 | /* Parse and fetch plmn */ |
| 3952 | if (!network[QCA_WLAN_VENDOR_ATTR_PNO_PASSPOINT_NETWORK_PARAM_ROAM_PLMN]) { |
| 3953 | hddLog(LOGE, FL("attr plmn failed")); |
| 3954 | return -EINVAL; |
| 3955 | } |
| 3956 | nla_memcpy(&req_msg->networks[index].plmn, |
| 3957 | network[QCA_WLAN_VENDOR_ATTR_PNO_PASSPOINT_NETWORK_PARAM_ROAM_PLMN], |
| 3958 | SIR_PASSPOINT_PLMN_LEN); |
| 3959 | hddLog(LOG1, FL("plmn %02x:%02x:%02x)"), |
| 3960 | req_msg->networks[index].plmn[0], |
| 3961 | req_msg->networks[index].plmn[1], |
| 3962 | req_msg->networks[index].plmn[2]); |
| 3963 | |
| 3964 | index++; |
| 3965 | } |
| 3966 | return 0; |
| 3967 | } |
| 3968 | |
| 3969 | /** |
| 3970 | * __wlan_hdd_cfg80211_set_passpoint_list() - set passpoint network list |
| 3971 | * @wiphy: wiphy |
| 3972 | * @wdev: pointer to wireless dev |
| 3973 | * @data: data pointer |
| 3974 | * @data_len: data length |
| 3975 | * |
| 3976 | * This function reads the NL vendor attributes from %tb and |
| 3977 | * fill in the passpoint request message. |
| 3978 | * |
| 3979 | * Return: 0 on success, error number otherwise |
| 3980 | */ |
| 3981 | static int __wlan_hdd_cfg80211_set_passpoint_list(struct wiphy *wiphy, |
| 3982 | struct wireless_dev *wdev, |
| 3983 | const void *data, |
| 3984 | int data_len) |
| 3985 | { |
| 3986 | struct wifi_passpoint_req *req_msg = NULL; |
| 3987 | struct net_device *dev = wdev->netdev; |
| 3988 | hdd_adapter_t *adapter = WLAN_HDD_GET_PRIV_PTR(dev); |
| 3989 | hdd_context_t *hdd_ctx = wiphy_priv(wiphy); |
| 3990 | struct nlattr *tb[QCA_WLAN_VENDOR_ATTR_PNO_MAX + 1]; |
| 3991 | CDF_STATUS status; |
| 3992 | uint32_t num_networks = 0; |
| 3993 | int ret; |
| 3994 | |
| 3995 | ENTER(); |
| 3996 | |
| 3997 | ret = wlan_hdd_validate_context(hdd_ctx); |
| 3998 | if (ret) |
| 3999 | return ret; |
| 4000 | |
| 4001 | if (CDF_FTM_MODE == hdd_get_conparam()) { |
| 4002 | hdd_err("Command not allowed in FTM mode"); |
| 4003 | return -EPERM; |
| 4004 | } |
| 4005 | |
| 4006 | if (nla_parse(tb, QCA_WLAN_VENDOR_ATTR_PNO_MAX, data, data_len, |
| 4007 | wlan_hdd_extscan_config_policy)) { |
| 4008 | hddLog(LOGE, FL("Invalid ATTR")); |
| 4009 | return -EINVAL; |
| 4010 | } |
| 4011 | |
| 4012 | /* Parse and fetch number of networks */ |
| 4013 | if (!tb[QCA_WLAN_VENDOR_ATTR_PNO_PASSPOINT_LIST_PARAM_NUM]) { |
| 4014 | hddLog(LOGE, FL("attr num networks failed")); |
| 4015 | return -EINVAL; |
| 4016 | } |
| 4017 | num_networks = nla_get_u32( |
| 4018 | tb[QCA_WLAN_VENDOR_ATTR_PNO_PASSPOINT_LIST_PARAM_NUM]); |
| 4019 | hddLog(LOG1, FL("num networks %u"), num_networks); |
| 4020 | |
| 4021 | req_msg = cdf_mem_malloc(sizeof(*req_msg) + |
| 4022 | (num_networks * sizeof(req_msg->networks[0]))); |
| 4023 | if (!req_msg) { |
| 4024 | hddLog(LOGE, FL("cdf_mem_malloc failed")); |
| 4025 | return -ENOMEM; |
| 4026 | } |
| 4027 | req_msg->num_networks = num_networks; |
| 4028 | |
| 4029 | /* Parse and fetch request Id */ |
| 4030 | if (!tb[QCA_WLAN_VENDOR_ATTR_EXTSCAN_SUBCMD_CONFIG_PARAM_REQUEST_ID]) { |
| 4031 | hddLog(LOGE, FL("attr request id failed")); |
| 4032 | goto fail; |
| 4033 | } |
| 4034 | req_msg->request_id = nla_get_u32( |
| 4035 | tb[QCA_WLAN_VENDOR_ATTR_EXTSCAN_SUBCMD_CONFIG_PARAM_REQUEST_ID]); |
| 4036 | |
| 4037 | req_msg->session_id = adapter->sessionId; |
| 4038 | hddLog(LOG1, FL("Req Id %u Session Id %d"), req_msg->request_id, |
| 4039 | req_msg->session_id); |
| 4040 | |
| 4041 | if (hdd_extscan_passpoint_fill_network_list(hdd_ctx, req_msg, tb)) |
| 4042 | goto fail; |
| 4043 | |
| 4044 | status = sme_set_passpoint_list(hdd_ctx->hHal, req_msg); |
| 4045 | if (!CDF_IS_STATUS_SUCCESS(status)) { |
| 4046 | hddLog(LOGE, |
| 4047 | FL("sme_set_passpoint_list failed(err=%d)"), status); |
| 4048 | goto fail; |
| 4049 | } |
| 4050 | |
| 4051 | EXIT(); |
| 4052 | cdf_mem_free(req_msg); |
| 4053 | return 0; |
| 4054 | |
| 4055 | fail: |
| 4056 | cdf_mem_free(req_msg); |
| 4057 | return -EINVAL; |
| 4058 | } |
| 4059 | |
| 4060 | /** |
| 4061 | * wlan_hdd_cfg80211_set_passpoint_list() - set passpoint network list |
| 4062 | * @wiphy: wiphy |
| 4063 | * @wdev: pointer to wireless dev |
| 4064 | * @data: data pointer |
| 4065 | * @data_len: data length |
| 4066 | * |
| 4067 | * This function reads the NL vendor attributes from %tb and |
| 4068 | * fill in the passpoint request message. |
| 4069 | * |
| 4070 | * Return: 0 on success, error number otherwise |
| 4071 | */ |
| 4072 | int wlan_hdd_cfg80211_set_passpoint_list(struct wiphy *wiphy, |
| 4073 | struct wireless_dev *wdev, |
| 4074 | const void *data, |
| 4075 | int data_len) |
| 4076 | { |
| 4077 | int ret; |
| 4078 | |
| 4079 | cds_ssr_protect(__func__); |
| 4080 | ret = __wlan_hdd_cfg80211_set_passpoint_list(wiphy, wdev, |
| 4081 | data, data_len); |
| 4082 | cds_ssr_unprotect(__func__); |
| 4083 | |
| 4084 | return ret; |
| 4085 | } |
| 4086 | |
| 4087 | /** |
| 4088 | * __wlan_hdd_cfg80211_reset_passpoint_list() - reset passpoint network list |
| 4089 | * @wiphy: wiphy |
| 4090 | * @wdev: pointer to wireless dev |
| 4091 | * @data: data pointer |
| 4092 | * @data_len: data length |
| 4093 | * |
| 4094 | * This function resets passpoint networks list |
| 4095 | * |
| 4096 | * Return: 0 on success, error number otherwise |
| 4097 | */ |
| 4098 | static int __wlan_hdd_cfg80211_reset_passpoint_list(struct wiphy *wiphy, |
| 4099 | struct wireless_dev *wdev, |
| 4100 | const void *data, |
| 4101 | int data_len) |
| 4102 | { |
| 4103 | struct wifi_passpoint_req *req_msg = NULL; |
| 4104 | struct net_device *dev = wdev->netdev; |
| 4105 | hdd_adapter_t *adapter = WLAN_HDD_GET_PRIV_PTR(dev); |
| 4106 | hdd_context_t *hdd_ctx = wiphy_priv(wiphy); |
| 4107 | struct nlattr *tb[QCA_WLAN_VENDOR_ATTR_PNO_MAX + 1]; |
| 4108 | CDF_STATUS status; |
| 4109 | int ret; |
| 4110 | |
| 4111 | ENTER(); |
| 4112 | |
| 4113 | ret = wlan_hdd_validate_context(hdd_ctx); |
| 4114 | if (ret) |
| 4115 | return ret; |
| 4116 | |
| 4117 | if (CDF_FTM_MODE == hdd_get_conparam()) { |
| 4118 | hdd_err("Command not allowed in FTM mode"); |
| 4119 | return -EPERM; |
| 4120 | } |
| 4121 | |
| 4122 | if (nla_parse(tb, QCA_WLAN_VENDOR_ATTR_PNO_MAX, data, data_len, |
| 4123 | wlan_hdd_extscan_config_policy)) { |
| 4124 | hddLog(LOGE, FL("Invalid ATTR")); |
| 4125 | return -EINVAL; |
| 4126 | } |
| 4127 | |
| 4128 | req_msg = cdf_mem_malloc(sizeof(*req_msg)); |
| 4129 | if (!req_msg) { |
| 4130 | hddLog(LOGE, FL("cdf_mem_malloc failed")); |
| 4131 | return -ENOMEM; |
| 4132 | } |
| 4133 | |
| 4134 | /* Parse and fetch request Id */ |
| 4135 | if (!tb[QCA_WLAN_VENDOR_ATTR_EXTSCAN_SUBCMD_CONFIG_PARAM_REQUEST_ID]) { |
| 4136 | hddLog(LOGE, FL("attr request id failed")); |
| 4137 | goto fail; |
| 4138 | } |
| 4139 | req_msg->request_id = nla_get_u32( |
| 4140 | tb[QCA_WLAN_VENDOR_ATTR_EXTSCAN_SUBCMD_CONFIG_PARAM_REQUEST_ID]); |
| 4141 | |
| 4142 | req_msg->session_id = adapter->sessionId; |
| 4143 | hddLog(LOG1, FL("Req Id %u Session Id %d"), |
| 4144 | req_msg->request_id, req_msg->session_id); |
| 4145 | |
| 4146 | status = sme_reset_passpoint_list(hdd_ctx->hHal, req_msg); |
| 4147 | if (!CDF_IS_STATUS_SUCCESS(status)) { |
| 4148 | hddLog(LOGE, |
| 4149 | FL("sme_reset_passpoint_list failed(err=%d)"), status); |
| 4150 | goto fail; |
| 4151 | } |
| 4152 | |
| 4153 | EXIT(); |
| 4154 | cdf_mem_free(req_msg); |
| 4155 | return 0; |
| 4156 | |
| 4157 | fail: |
| 4158 | cdf_mem_free(req_msg); |
| 4159 | return -EINVAL; |
| 4160 | } |
| 4161 | |
| 4162 | /** |
| 4163 | * wlan_hdd_cfg80211_reset_passpoint_list() - reset passpoint network list |
| 4164 | * @wiphy: wiphy |
| 4165 | * @wdev: pointer to wireless dev |
| 4166 | * @data: data pointer |
| 4167 | * @data_len: data length |
| 4168 | * |
| 4169 | * This function resets passpoint networks list |
| 4170 | * |
| 4171 | * Return: 0 on success, error number otherwise |
| 4172 | */ |
| 4173 | int wlan_hdd_cfg80211_reset_passpoint_list(struct wiphy *wiphy, |
| 4174 | struct wireless_dev *wdev, |
| 4175 | const void *data, |
| 4176 | int data_len) |
| 4177 | { |
| 4178 | int ret; |
| 4179 | |
| 4180 | cds_ssr_protect(__func__); |
| 4181 | ret = __wlan_hdd_cfg80211_reset_passpoint_list(wiphy, wdev, |
| 4182 | data, data_len); |
| 4183 | cds_ssr_unprotect(__func__); |
| 4184 | |
| 4185 | return ret; |
| 4186 | } |
| 4187 | |
| 4188 | /* |
| 4189 | * define short names for the global vendor params |
| 4190 | * used by __wlan_hdd_cfg80211_extscan_set_ssid_hotlist() |
| 4191 | */ |
| 4192 | #define PARAM_MAX \ |
| 4193 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_SUBCMD_CONFIG_PARAM_MAX |
| 4194 | #define PARAM_REQUEST_ID \ |
| 4195 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_SUBCMD_CONFIG_PARAM_REQUEST_ID |
| 4196 | #define PARAMS_LOST_SSID_SAMPLE_SIZE \ |
| 4197 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_SSID_HOTLIST_PARAMS_LOST_SSID_SAMPLE_SIZE |
| 4198 | #define PARAMS_NUM_SSID \ |
| 4199 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_SSID_HOTLIST_PARAMS_NUM_SSID |
| 4200 | #define THRESHOLD_PARAM \ |
| 4201 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_SSID_THRESHOLD_PARAM |
| 4202 | #define PARAM_SSID \ |
| 4203 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_SSID_THRESHOLD_PARAM_SSID |
| 4204 | #define PARAM_BAND \ |
| 4205 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_SSID_THRESHOLD_PARAM_BAND |
| 4206 | #define PARAM_RSSI_LOW \ |
| 4207 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_SSID_THRESHOLD_PARAM_RSSI_LOW |
| 4208 | #define PARAM_RSSI_HIGH \ |
| 4209 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_SSID_THRESHOLD_PARAM_RSSI_HIGH |
| 4210 | |
| 4211 | /** |
| 4212 | * __wlan_hdd_cfg80211_extscan_set_ssid_hotlist() - set ssid hot list |
| 4213 | * @wiphy: Pointer to wireless phy |
| 4214 | * @wdev: Pointer to wireless device |
| 4215 | * @data: Pointer to data |
| 4216 | * @data_len: Data length |
| 4217 | * |
| 4218 | * Return: 0 on success, negative errno on failure |
| 4219 | */ |
| 4220 | static int |
| 4221 | __wlan_hdd_cfg80211_extscan_set_ssid_hotlist(struct wiphy *wiphy, |
| 4222 | struct wireless_dev *wdev, |
| 4223 | const void *data, |
| 4224 | int data_len) |
| 4225 | { |
| 4226 | struct sir_set_ssid_hotlist_request *request; |
| 4227 | struct net_device *dev = wdev->netdev; |
| 4228 | hdd_adapter_t *adapter = WLAN_HDD_GET_PRIV_PTR(dev); |
| 4229 | hdd_context_t *hdd_ctx = wiphy_priv(wiphy); |
| 4230 | struct nlattr *tb[PARAM_MAX + 1]; |
| 4231 | struct nlattr *tb2[PARAM_MAX + 1]; |
| 4232 | struct nlattr *ssids; |
| 4233 | struct hdd_ext_scan_context *context; |
| 4234 | uint32_t request_id; |
| 4235 | char ssid_string[SIR_MAC_MAX_SSID_LENGTH + 1]; |
| 4236 | int ssid_len, i, rem; |
| 4237 | CDF_STATUS status; |
| 4238 | int retval; |
| 4239 | unsigned long rc; |
| 4240 | |
| 4241 | ENTER(); |
| 4242 | |
| 4243 | if (CDF_FTM_MODE == hdd_get_conparam()) { |
| 4244 | hdd_err("Command not allowed in FTM mode"); |
| 4245 | return -EPERM; |
| 4246 | } |
| 4247 | |
| 4248 | retval = wlan_hdd_validate_context(hdd_ctx); |
| 4249 | if (0 != retval) { |
| 4250 | hddLog(LOGE, FL("HDD context is not valid")); |
| 4251 | return -EINVAL; |
| 4252 | } |
| 4253 | |
| 4254 | if (nla_parse(tb, PARAM_MAX, |
| 4255 | data, data_len, |
| 4256 | wlan_hdd_extscan_config_policy)) { |
| 4257 | hddLog(LOGE, FL("Invalid ATTR")); |
| 4258 | return -EINVAL; |
| 4259 | } |
| 4260 | |
| 4261 | request = cdf_mem_malloc(sizeof(*request)); |
| 4262 | if (!request) { |
| 4263 | hddLog(LOGE, FL("cdf_mem_malloc failed")); |
| 4264 | return -ENOMEM; |
| 4265 | } |
| 4266 | |
| 4267 | /* Parse and fetch request Id */ |
| 4268 | if (!tb[PARAM_REQUEST_ID]) { |
| 4269 | hddLog(LOGE, FL("attr request id failed")); |
| 4270 | goto fail; |
| 4271 | } |
| 4272 | |
| 4273 | request->request_id = nla_get_u32(tb[PARAM_REQUEST_ID]); |
| 4274 | hddLog(LOG1, FL("Request Id %d"), request->request_id); |
| 4275 | |
| 4276 | /* Parse and fetch lost SSID sample size */ |
| 4277 | if (!tb[PARAMS_LOST_SSID_SAMPLE_SIZE]) { |
| 4278 | hddLog(LOGE, FL("attr number of Ssid failed")); |
| 4279 | goto fail; |
| 4280 | } |
| 4281 | request->lost_ssid_sample_size = |
| 4282 | nla_get_u32(tb[PARAMS_LOST_SSID_SAMPLE_SIZE]); |
| 4283 | hddLog(LOG1, FL("Lost SSID Sample Size %d"), |
| 4284 | request->lost_ssid_sample_size); |
| 4285 | |
| 4286 | /* Parse and fetch number of hotlist SSID */ |
| 4287 | if (!tb[PARAMS_NUM_SSID]) { |
| 4288 | hddLog(LOGE, FL("attr number of Ssid failed")); |
| 4289 | goto fail; |
| 4290 | } |
| 4291 | request->ssid_count = nla_get_u32(tb[PARAMS_NUM_SSID]); |
| 4292 | hddLog(LOG1, FL("Number of SSID %d"), request->ssid_count); |
| 4293 | |
| 4294 | request->session_id = adapter->sessionId; |
| 4295 | hddLog(LOG1, FL("Session Id %d"), request->session_id); |
| 4296 | |
| 4297 | i = 0; |
| 4298 | nla_for_each_nested(ssids, tb[THRESHOLD_PARAM], rem) { |
| 4299 | if (i >= WLAN_EXTSCAN_MAX_HOTLIST_SSIDS) { |
| 4300 | hddLog(LOGE, |
| 4301 | FL("Too Many SSIDs, %d exceeds %d"), |
| 4302 | i, WLAN_EXTSCAN_MAX_HOTLIST_SSIDS); |
| 4303 | break; |
| 4304 | } |
| 4305 | if (nla_parse(tb2, PARAM_MAX, |
| 4306 | nla_data(ssids), nla_len(ssids), |
| 4307 | wlan_hdd_extscan_config_policy)) { |
| 4308 | hddLog(LOGE, FL("nla_parse failed")); |
| 4309 | goto fail; |
| 4310 | } |
| 4311 | |
| 4312 | /* Parse and fetch SSID */ |
| 4313 | if (!tb2[PARAM_SSID]) { |
| 4314 | hddLog(LOGE, FL("attr ssid failed")); |
| 4315 | goto fail; |
| 4316 | } |
| 4317 | nla_memcpy(ssid_string, |
| 4318 | tb2[PARAM_SSID], |
| 4319 | sizeof(ssid_string)); |
| 4320 | hddLog(LOG1, FL("SSID %s"), |
| 4321 | ssid_string); |
| 4322 | ssid_len = strlen(ssid_string); |
| 4323 | memcpy(request->ssids[i].ssid.ssId, ssid_string, ssid_len); |
| 4324 | request->ssids[i].ssid.length = ssid_len; |
| 4325 | |
| 4326 | /* Parse and fetch low RSSI */ |
| 4327 | if (!tb2[PARAM_BAND]) { |
| 4328 | hddLog(LOGE, FL("attr band failed")); |
| 4329 | goto fail; |
| 4330 | } |
| 4331 | request->ssids[i].band = nla_get_u8(tb2[PARAM_BAND]); |
| 4332 | hddLog(LOG1, FL("band %d"), request->ssids[i].band); |
| 4333 | |
| 4334 | /* Parse and fetch low RSSI */ |
| 4335 | if (!tb2[PARAM_RSSI_LOW]) { |
| 4336 | hddLog(LOGE, FL("attr low RSSI failed")); |
| 4337 | goto fail; |
| 4338 | } |
| 4339 | request->ssids[i].rssi_low = nla_get_s32(tb2[PARAM_RSSI_LOW]); |
| 4340 | hddLog(LOG1, FL("RSSI low %d"), request->ssids[i].rssi_low); |
| 4341 | |
| 4342 | /* Parse and fetch high RSSI */ |
| 4343 | if (!tb2[PARAM_RSSI_HIGH]) { |
| 4344 | hddLog(LOGE, FL("attr high RSSI failed")); |
| 4345 | goto fail; |
| 4346 | } |
| 4347 | request->ssids[i].rssi_high = nla_get_u32(tb2[PARAM_RSSI_HIGH]); |
| 4348 | hddLog(LOG1, FL("RSSI high %d"), request->ssids[i].rssi_high); |
| 4349 | i++; |
| 4350 | } |
| 4351 | |
| 4352 | context = &ext_scan_context; |
| 4353 | spin_lock(&context->context_lock); |
| 4354 | INIT_COMPLETION(context->response_event); |
| 4355 | context->request_id = request_id = request->request_id; |
| 4356 | spin_unlock(&context->context_lock); |
| 4357 | |
| 4358 | status = sme_set_ssid_hotlist(hdd_ctx->hHal, request); |
| 4359 | if (!CDF_IS_STATUS_SUCCESS(status)) { |
| 4360 | hddLog(LOGE, |
| 4361 | FL("sme_set_ssid_hotlist failed(err=%d)"), status); |
| 4362 | goto fail; |
| 4363 | } |
| 4364 | |
| 4365 | cdf_mem_free(request); |
| 4366 | |
| 4367 | /* request was sent -- wait for the response */ |
| 4368 | rc = wait_for_completion_timeout(&context->response_event, |
| 4369 | msecs_to_jiffies |
| 4370 | (WLAN_WAIT_TIME_EXTSCAN)); |
| 4371 | if (!rc) { |
| 4372 | hddLog(LOGE, FL("sme_set_ssid_hotlist timed out")); |
| 4373 | retval = -ETIMEDOUT; |
| 4374 | } else { |
| 4375 | spin_lock(&context->context_lock); |
| 4376 | if (context->request_id == request_id) |
| 4377 | retval = context->response_status; |
| 4378 | else |
| 4379 | retval = -EINVAL; |
| 4380 | spin_unlock(&context->context_lock); |
| 4381 | } |
| 4382 | |
| 4383 | return retval; |
| 4384 | |
| 4385 | fail: |
| 4386 | cdf_mem_free(request); |
| 4387 | return -EINVAL; |
| 4388 | } |
| 4389 | |
| 4390 | /* |
| 4391 | * done with short names for the global vendor params |
| 4392 | * used by wlan_hdd_cfg80211_extscan_set_ssid_hotlist() |
| 4393 | */ |
| 4394 | #undef PARAM_MAX |
| 4395 | #undef PARAM_REQUEST_ID |
| 4396 | #undef PARAMS_NUM_SSID |
| 4397 | #undef THRESHOLD_PARAM |
| 4398 | #undef PARAM_SSID |
| 4399 | #undef PARAM_BAND |
| 4400 | #undef PARAM_RSSI_LOW |
| 4401 | #undef PARAM_RSSI_HIGH |
| 4402 | |
| 4403 | /** |
| 4404 | * wlan_hdd_cfg80211_extscan_set_ssid_hotlist() - set ssid hot list |
| 4405 | * @wiphy: Pointer to wireless phy |
| 4406 | * @wdev: Pointer to wireless device |
| 4407 | * @data: Pointer to data |
| 4408 | * @data_len: Data length |
| 4409 | * |
| 4410 | * Return: 0 on success, negative errno on failure |
| 4411 | */ |
| 4412 | int |
| 4413 | wlan_hdd_cfg80211_extscan_set_ssid_hotlist(struct wiphy *wiphy, |
| 4414 | struct wireless_dev *wdev, |
| 4415 | const void *data, |
| 4416 | int data_len) |
| 4417 | { |
| 4418 | int ret; |
| 4419 | |
| 4420 | cds_ssr_protect(__func__); |
| 4421 | ret = __wlan_hdd_cfg80211_extscan_set_ssid_hotlist(wiphy, wdev, data, |
| 4422 | data_len); |
| 4423 | cds_ssr_unprotect(__func__); |
| 4424 | |
| 4425 | return ret; |
| 4426 | } |
| 4427 | |
| 4428 | /* |
| 4429 | * define short names for the global vendor params |
| 4430 | * used by __wlan_hdd_cfg80211_extscan_reset_ssid_hotlist() |
| 4431 | */ |
| 4432 | #define PARAM_MAX \ |
| 4433 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_SUBCMD_CONFIG_PARAM_MAX |
| 4434 | #define PARAM_REQUEST_ID \ |
| 4435 | QCA_WLAN_VENDOR_ATTR_EXTSCAN_SUBCMD_CONFIG_PARAM_REQUEST_ID |
| 4436 | |
| 4437 | /** |
| 4438 | * __wlan_hdd_cfg80211_extscan_reset_ssid_hotlist() - reset ssid hot list |
| 4439 | * @wiphy: Pointer to wireless phy |
| 4440 | * @wdev: Pointer to wireless device |
| 4441 | * @data: Pointer to data |
| 4442 | * @data_len: Data length |
| 4443 | * |
| 4444 | * Return: 0 on success, negative errno on failure |
| 4445 | */ |
| 4446 | static int |
| 4447 | __wlan_hdd_cfg80211_extscan_reset_ssid_hotlist(struct wiphy *wiphy, |
| 4448 | struct wireless_dev *wdev, |
| 4449 | const void *data, |
| 4450 | int data_len) |
| 4451 | { |
| 4452 | struct sir_set_ssid_hotlist_request *request; |
| 4453 | struct net_device *dev = wdev->netdev; |
| 4454 | hdd_adapter_t *adapter = WLAN_HDD_GET_PRIV_PTR(dev); |
| 4455 | hdd_context_t *hdd_ctx = wiphy_priv(wiphy); |
| 4456 | struct nlattr *tb[PARAM_MAX + 1]; |
| 4457 | struct hdd_ext_scan_context *context; |
| 4458 | uint32_t request_id; |
| 4459 | CDF_STATUS status; |
| 4460 | int retval; |
| 4461 | unsigned long rc; |
| 4462 | |
| 4463 | ENTER(); |
| 4464 | |
| 4465 | if (CDF_FTM_MODE == hdd_get_conparam()) { |
| 4466 | hdd_err("Command not allowed in FTM mode"); |
| 4467 | return -EPERM; |
| 4468 | } |
| 4469 | |
| 4470 | retval = wlan_hdd_validate_context(hdd_ctx); |
| 4471 | if (0 != retval) { |
| 4472 | hddLog(LOGE, FL("HDD context is not valid")); |
| 4473 | return -EINVAL; |
| 4474 | } |
| 4475 | |
| 4476 | if (nla_parse(tb, PARAM_MAX, |
| 4477 | data, data_len, |
| 4478 | wlan_hdd_extscan_config_policy)) { |
| 4479 | hddLog(LOGE, FL("Invalid ATTR")); |
| 4480 | return -EINVAL; |
| 4481 | } |
| 4482 | |
| 4483 | request = cdf_mem_malloc(sizeof(*request)); |
| 4484 | if (!request) { |
| 4485 | hddLog(LOGE, FL("cdf_mem_malloc failed")); |
| 4486 | return -ENOMEM; |
| 4487 | } |
| 4488 | |
| 4489 | /* Parse and fetch request Id */ |
| 4490 | if (!tb[PARAM_REQUEST_ID]) { |
| 4491 | hddLog(LOGE, FL("attr request id failed")); |
| 4492 | goto fail; |
| 4493 | } |
| 4494 | |
| 4495 | request->request_id = nla_get_u32(tb[PARAM_REQUEST_ID]); |
| 4496 | hddLog(LOG1, FL("Request Id %d"), request->request_id); |
| 4497 | |
| 4498 | request->session_id = adapter->sessionId; |
| 4499 | hddLog(LOG1, FL("Session Id %d"), request->session_id); |
| 4500 | |
| 4501 | request->lost_ssid_sample_size = 0; |
| 4502 | request->ssid_count = 0; |
| 4503 | |
| 4504 | context = &ext_scan_context; |
| 4505 | spin_lock(&context->context_lock); |
| 4506 | INIT_COMPLETION(context->response_event); |
| 4507 | context->request_id = request_id = request->request_id; |
| 4508 | spin_unlock(&context->context_lock); |
| 4509 | |
| 4510 | status = sme_set_ssid_hotlist(hdd_ctx->hHal, request); |
| 4511 | if (!CDF_IS_STATUS_SUCCESS(status)) { |
| 4512 | hddLog(LOGE, |
| 4513 | FL("sme_reset_ssid_hotlist failed(err=%d)"), status); |
| 4514 | goto fail; |
| 4515 | } |
| 4516 | |
| 4517 | cdf_mem_free(request); |
| 4518 | |
| 4519 | /* request was sent -- wait for the response */ |
| 4520 | rc = wait_for_completion_timeout(&context->response_event, |
| 4521 | msecs_to_jiffies |
| 4522 | (WLAN_WAIT_TIME_EXTSCAN)); |
| 4523 | if (!rc) { |
| 4524 | hddLog(LOGE, FL("sme_reset_ssid_hotlist timed out")); |
| 4525 | retval = -ETIMEDOUT; |
| 4526 | } else { |
| 4527 | spin_lock(&context->context_lock); |
| 4528 | if (context->request_id == request_id) |
| 4529 | retval = context->response_status; |
| 4530 | else |
| 4531 | retval = -EINVAL; |
| 4532 | spin_unlock(&context->context_lock); |
| 4533 | } |
| 4534 | |
| 4535 | return retval; |
| 4536 | |
| 4537 | fail: |
| 4538 | cdf_mem_free(request); |
| 4539 | return -EINVAL; |
| 4540 | } |
| 4541 | |
| 4542 | /* |
| 4543 | * done with short names for the global vendor params |
| 4544 | * used by wlan_hdd_cfg80211_extscan_reset_ssid_hotlist() |
| 4545 | */ |
| 4546 | #undef PARAM_MAX |
| 4547 | #undef PARAM_REQUEST_ID |
| 4548 | |
| 4549 | /** |
| 4550 | * wlan_hdd_cfg80211_extscan_reset_ssid_hotlist() - reset ssid hot list |
| 4551 | * @wiphy: Pointer to wireless phy |
| 4552 | * @wdev: Pointer to wireless device |
| 4553 | * @data: Pointer to data |
| 4554 | * @data_len: Data length |
| 4555 | * |
| 4556 | * Return: 0 on success, negative errno on failure |
| 4557 | */ |
| 4558 | int |
| 4559 | wlan_hdd_cfg80211_extscan_reset_ssid_hotlist(struct wiphy *wiphy, |
| 4560 | struct wireless_dev *wdev, |
| 4561 | const void *data, |
| 4562 | int data_len) |
| 4563 | { |
| 4564 | int ret; |
| 4565 | |
| 4566 | cds_ssr_protect(__func__); |
| 4567 | ret = __wlan_hdd_cfg80211_extscan_reset_ssid_hotlist(wiphy, wdev, |
| 4568 | data, data_len); |
| 4569 | cds_ssr_unprotect(__func__); |
| 4570 | |
| 4571 | return ret; |
| 4572 | } |
| 4573 | |
| 4574 | /** |
| 4575 | * wlan_hdd_init_completion_extwow() - Initialize ext wow variable |
| 4576 | * @hdd_ctx: Global HDD context |
| 4577 | * |
| 4578 | * Return: none |
| 4579 | */ |
| 4580 | #ifdef WLAN_FEATURE_EXTWOW_SUPPORT |
| 4581 | static inline void wlan_hdd_init_completion_extwow(hdd_context_t *pHddCtx) |
| 4582 | { |
| 4583 | init_completion(&pHddCtx->ready_to_extwow); |
| 4584 | } |
| 4585 | #else |
| 4586 | static inline void wlan_hdd_init_completion_extwow(hdd_context_t *pHddCtx) |
| 4587 | { |
| 4588 | return; |
| 4589 | } |
| 4590 | #endif |
| 4591 | |
| 4592 | /** |
| 4593 | * wlan_hdd_cfg80211_extscan_init() - Initialize the ExtScan feature |
| 4594 | * @hdd_ctx: Global HDD context |
| 4595 | * |
| 4596 | * Return: none |
| 4597 | */ |
| 4598 | void wlan_hdd_cfg80211_extscan_init(hdd_context_t *hdd_ctx) |
| 4599 | { |
| 4600 | wlan_hdd_init_completion_extwow(hdd_ctx); |
| 4601 | init_completion(&ext_scan_context.response_event); |
| 4602 | spin_lock_init(&ext_scan_context.context_lock); |
| 4603 | } |
| 4604 | |
| 4605 | #endif /* FEATURE_WLAN_EXTSCAN */ |