Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1 | /* |
Hanumanth Reddy Pothula | 8f8d54d | 2017-11-14 14:38:45 +0530 | [diff] [blame] | 2 | * Copyright (c) 2012-2013, 2017 The Linux Foundation. All rights reserved. |
Kiet Lam | 842dad0 | 2014-02-18 18:44:02 -0800 | [diff] [blame] | 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. |
Gopichand Nakkala | 92f07d8 | 2013-01-08 21:16:34 -0800 | [diff] [blame] | 20 | */ |
Kiet Lam | 842dad0 | 2014-02-18 18:44:02 -0800 | [diff] [blame] | 21 | |
| 22 | /* |
| 23 | * This file was originally distributed by Qualcomm Atheros, Inc. |
| 24 | * under proprietary terms before Copyright ownership was assigned |
| 25 | * to the Linux Foundation. |
| 26 | */ |
| 27 | |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 28 | /*============================================================================ |
| 29 | * @file wlan_hdd_wowl.c |
| 30 | * |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 31 | * |
| 32 | * ==========================================================================*/ |
| 33 | |
| 34 | /*---------------------------------------------------------------------------- |
| 35 | * Include Files |
| 36 | * -------------------------------------------------------------------------*/ |
| 37 | |
Hanumanth Reddy Pothula | 8f8d54d | 2017-11-14 14:38:45 +0530 | [diff] [blame] | 38 | #include <net/cfg80211.h> |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 39 | #include <wlan_hdd_includes.h> |
| 40 | #include <wlan_hdd_wowl.h> |
| 41 | |
| 42 | /*---------------------------------------------------------------------------- |
| 43 | * Preprocessor Definitions and Constants |
| 44 | * -------------------------------------------------------------------------*/ |
| 45 | |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 46 | #define WOWL_INTER_PTRN_TOKENIZER ';' |
| 47 | #define WOWL_INTRA_PTRN_TOKENIZER ':' |
| 48 | |
| 49 | /*---------------------------------------------------------------------------- |
| 50 | * Type Declarations |
| 51 | * -------------------------------------------------------------------------*/ |
| 52 | |
Yue Ma | 0d4891e | 2013-08-06 17:01:45 -0700 | [diff] [blame] | 53 | static char *g_hdd_wowl_ptrns[WOWL_MAX_PTRNS_ALLOWED]; //Patterns 0-15 |
| 54 | static v_BOOL_t g_hdd_wowl_ptrns_debugfs[WOWL_MAX_PTRNS_ALLOWED] = {0}; |
| 55 | static v_U8_t g_hdd_wowl_ptrns_count = 0; |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 56 | |
Srinivas Girigowda | 100eb32 | 2013-03-15 16:48:20 -0700 | [diff] [blame] | 57 | int hdd_parse_hex(unsigned char c) |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 58 | { |
| 59 | if (c >= '0' && c <= '9') |
| 60 | return c-'0'; |
| 61 | if (c >= 'a' && c <= 'f') |
| 62 | return c-'a'+10; |
| 63 | if (c >= 'A' && c <= 'F') |
| 64 | return c-'A'+10; |
| 65 | |
| 66 | return 0; |
| 67 | } |
| 68 | |
| 69 | static inline int find_ptrn_len(const char* ptrn) |
| 70 | { |
| 71 | int len = 0; |
| 72 | while (*ptrn != '\0' && *ptrn != WOWL_INTER_PTRN_TOKENIZER) |
| 73 | { |
| 74 | len++; ptrn++; |
| 75 | } |
| 76 | return len; |
| 77 | } |
| 78 | |
| 79 | static void hdd_wowl_callback( void *pContext, eHalStatus halStatus ) |
| 80 | { |
Kumar Anand | aca924e | 2013-07-22 14:35:34 -0700 | [diff] [blame] | 81 | VOS_TRACE( VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_INFO, |
Arif Hussain | 6d2a332 | 2013-11-17 19:50:10 -0800 | [diff] [blame] | 82 | "%s: Return code = (%d)", __func__, halStatus ); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 83 | } |
| 84 | |
Kumar Anand | aca924e | 2013-07-22 14:35:34 -0700 | [diff] [blame] | 85 | #ifdef WLAN_WAKEUP_EVENTS |
Hanumanth Reddy Pothula | 8f8d54d | 2017-11-14 14:38:45 +0530 | [diff] [blame] | 86 | #ifdef CONFIG_PM |
| 87 | static void hdd_wowl_report_wakeup(hdd_adapter_t *adapter, |
| 88 | tpSirWakeReasonInd wake_reason_ind) |
| 89 | { |
| 90 | struct cfg80211_wowlan_wakeup wakeup_report = { 0 }; |
| 91 | struct net_device *dev = adapter->dev; |
| 92 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
| 93 | enum hdd_wakeup_reason_type reason_type = |
| 94 | (enum hdd_wakeup_reason_type)wake_reason_ind->ulReason; |
| 95 | |
| 96 | ENTER(); |
| 97 | |
| 98 | VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_INFO, "reason_type:%u reason_arg:%u", |
| 99 | reason_type, wake_reason_ind->ulReasonArg); |
| 100 | |
| 101 | wakeup_report.pattern_idx = -1; |
| 102 | |
| 103 | switch(reason_type) { |
| 104 | case WLAN_HDD_WAKE_REASON_MAGIC_PACKET: |
| 105 | wakeup_report.magic_pkt = TRUE; |
| 106 | break; |
| 107 | case WLAN_HDD_WAKE_REASON_PATTERN_MATCH: |
| 108 | wakeup_report.pattern_idx = |
| 109 | wake_reason_ind->ulReasonArg; |
| 110 | break; |
| 111 | case WLAN_HDD_WAKE_REASON_EAPID_PACKET: |
| 112 | wakeup_report.eap_identity_req = TRUE; |
| 113 | break; |
| 114 | case WLAN_HDD_WAKE_REASON_EAPOL4WAY_PACKET: |
| 115 | wakeup_report.four_way_handshake = TRUE; |
| 116 | break; |
| 117 | case WLAN_HDD_WAKE_REASON_GTK_REKEY_STATUS: |
| 118 | wakeup_report.gtk_rekey_failure = TRUE; |
| 119 | break; |
| 120 | case WLAN_HDD_WAKE_REASON_BSS_CONN_LOST: |
| 121 | wakeup_report.disconnect = TRUE; |
| 122 | break; |
| 123 | case WLAN_HDD_WAKE_REASON_NETSCAN_OFFL_MATCH: |
| 124 | case WLAN_HDD_WAKE_REASON_NONE: |
| 125 | default: |
| 126 | VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR, "unsupported reason code"); |
| 127 | break; |
| 128 | } |
| 129 | |
| 130 | cfg80211_report_wowlan_wakeup(wdev, &wakeup_report, GFP_KERNEL); |
| 131 | |
| 132 | EXIT(); |
| 133 | } |
| 134 | #endif |
| 135 | |
Kumar Anand | aca924e | 2013-07-22 14:35:34 -0700 | [diff] [blame] | 136 | static void hdd_wowl_wakeIndication_callback( void *pContext, |
| 137 | tpSirWakeReasonInd pWakeReasonInd ) |
| 138 | { |
| 139 | VOS_TRACE( VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_INFO, "%s: Wake Reason %d", |
| 140 | __func__, pWakeReasonInd->ulReason ); |
Hanumanth Reddy Pothula | 8f8d54d | 2017-11-14 14:38:45 +0530 | [diff] [blame] | 141 | #ifdef CONFIG_PM |
| 142 | hdd_wowl_report_wakeup((hdd_adapter_t *)pContext, pWakeReasonInd); |
| 143 | #endif |
c_hpothu | 01484c0 | 2014-05-16 14:05:15 +0530 | [diff] [blame] | 144 | hdd_exit_wowl( (hdd_adapter_t *)pContext, eWOWL_EXIT_WAKEIND ); |
Kumar Anand | aca924e | 2013-07-22 14:35:34 -0700 | [diff] [blame] | 145 | } |
| 146 | #endif |
| 147 | |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 148 | static void dump_hdd_wowl_ptrn(tSirWowlAddBcastPtrn *ptrn) |
| 149 | { |
| 150 | int i; |
| 151 | |
| 152 | VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_INFO, "%s: ucPatetrnId = 0x%x", __func__, |
| 153 | ptrn->ucPatternId); |
| 154 | VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_INFO, "%s: ucPatternByteOffset = 0x%x", __func__, |
| 155 | ptrn->ucPatternByteOffset); |
| 156 | VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_INFO, "%s: ucPatternSize = 0x%x", __func__, |
| 157 | ptrn->ucPatternSize); |
| 158 | VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_INFO, "%s: ucPatternMaskSize = 0x%x", __func__, |
| 159 | ptrn->ucPatternMaskSize); |
| 160 | VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_INFO, "%s: Pattern: ", __func__); |
Mingcheng Zhu | 87f22fc | 2014-01-30 19:23:32 -0800 | [diff] [blame] | 161 | for(i = 0; i < ptrn->ucPatternSize; i++) |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 162 | VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_INFO," %02X", ptrn->ucPattern[i]); |
| 163 | VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_INFO, "%s: PatternMask: ", __func__); |
| 164 | for(i = 0; i<ptrn->ucPatternMaskSize; i++) |
| 165 | VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_INFO,"%02X", ptrn->ucPatternMask[i]); |
| 166 | } |
| 167 | |
| 168 | |
| 169 | /**============================================================================ |
| 170 | @brief hdd_add_wowl_ptrn() - Function which will add the WoWL pattern to be |
| 171 | used when PBM filtering is enabled |
| 172 | |
| 173 | @param ptrn : [in] pointer to the pattern string to be added |
| 174 | |
| 175 | @return : FALSE if any errors encountered |
| 176 | : TRUE otherwise |
| 177 | ===========================================================================*/ |
Madan Mohan Koyyalamudi | 96dd30d | 2012-10-05 17:24:51 -0700 | [diff] [blame] | 178 | v_BOOL_t hdd_add_wowl_ptrn (hdd_adapter_t *pAdapter, const char * ptrn) |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 179 | { |
| 180 | tSirWowlAddBcastPtrn localPattern; |
| 181 | int i, first_empty_slot, len, offset; |
| 182 | eHalStatus halStatus; |
| 183 | const char *temp; |
Madan Mohan Koyyalamudi | 96dd30d | 2012-10-05 17:24:51 -0700 | [diff] [blame] | 184 | tHalHandle hHal = WLAN_HDD_GET_HAL_CTX(pAdapter); |
| 185 | v_U8_t sessionId = pAdapter->sessionId; |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 186 | |
| 187 | len = find_ptrn_len(ptrn); |
| 188 | |
| 189 | /* There has to have atleast 1 byte for each field (pattern size, mask size, |
| 190 | * pattern, mask) e.g. PP:QQ:RR:SS ==> 11 chars */ |
| 191 | while ( len >= 11 ) |
| 192 | { |
| 193 | first_empty_slot = -1; |
| 194 | |
| 195 | // Find an empty slot to store the pattern |
| 196 | for (i=0; i<WOWL_MAX_PTRNS_ALLOWED; i++) |
| 197 | { |
| 198 | if(g_hdd_wowl_ptrns[i] == NULL) { |
| 199 | first_empty_slot = i; |
| 200 | break; |
| 201 | } |
| 202 | } |
| 203 | |
| 204 | // Maximum number of patterns have been configured already |
| 205 | if(first_empty_slot == -1) |
| 206 | { |
| 207 | VOS_TRACE( VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 208 | "%s: Cannot add anymore patterns. No free slot!", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 209 | return VOS_FALSE; |
| 210 | } |
| 211 | |
| 212 | // Detect duplicate pattern |
| 213 | for (i=0; i<WOWL_MAX_PTRNS_ALLOWED; i++) |
| 214 | { |
| 215 | if(g_hdd_wowl_ptrns[i] == NULL) continue; |
| 216 | |
| 217 | if(!memcmp(ptrn, g_hdd_wowl_ptrns[i], len)) |
| 218 | { |
| 219 | // Pattern Already configured, skip to next pattern |
| 220 | VOS_TRACE( VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR, |
| 221 | "Trying to add duplicate WoWL pattern. Skip it!"); |
| 222 | ptrn += len; |
| 223 | goto next_ptrn; |
| 224 | } |
| 225 | } |
| 226 | |
| 227 | //Validate the pattern |
| 228 | if(ptrn[2] != WOWL_INTRA_PTRN_TOKENIZER || |
| 229 | ptrn[5] != WOWL_INTRA_PTRN_TOKENIZER) |
| 230 | { |
| 231 | VOS_TRACE( VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR, |
Arif Hussain | 6d2a332 | 2013-11-17 19:50:10 -0800 | [diff] [blame] | 232 | "%s: Malformed pattern string. Skip!", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 233 | ptrn += len; |
| 234 | goto next_ptrn; |
| 235 | } |
| 236 | |
| 237 | // Extract the pattern size |
| 238 | localPattern.ucPatternSize = |
Srinivas Girigowda | 100eb32 | 2013-03-15 16:48:20 -0700 | [diff] [blame] | 239 | ( hdd_parse_hex( ptrn[0] ) * 0x10 ) + hdd_parse_hex( ptrn[1] ); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 240 | |
| 241 | // Extract the pattern mask size |
| 242 | localPattern.ucPatternMaskSize = |
Srinivas Girigowda | 100eb32 | 2013-03-15 16:48:20 -0700 | [diff] [blame] | 243 | ( hdd_parse_hex( ptrn[3] ) * 0x10 ) + hdd_parse_hex( ptrn[4] ); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 244 | |
Mingcheng Zhu | 87f22fc | 2014-01-30 19:23:32 -0800 | [diff] [blame] | 245 | if(localPattern.ucPatternSize > SIR_WOWL_BCAST_PATTERN_MAX_SIZE || |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 246 | localPattern.ucPatternMaskSize > WOWL_PTRN_MASK_MAX_SIZE) |
| 247 | { |
| 248 | VOS_TRACE( VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR, |
Arif Hussain | 6d2a332 | 2013-11-17 19:50:10 -0800 | [diff] [blame] | 249 | "%s: Invalid length specified. Skip!", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 250 | ptrn += len; |
| 251 | goto next_ptrn; |
| 252 | } |
| 253 | |
| 254 | //compute the offset of tokenizer after the pattern |
| 255 | offset = 5 + 2*localPattern.ucPatternSize + 1; |
| 256 | if(offset >= len || ptrn[offset] != WOWL_INTRA_PTRN_TOKENIZER) |
| 257 | { |
| 258 | VOS_TRACE( VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR, |
Arif Hussain | 6d2a332 | 2013-11-17 19:50:10 -0800 | [diff] [blame] | 259 | "%s: Malformed pattern string..skip!", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 260 | ptrn += len; |
| 261 | goto next_ptrn; |
| 262 | } |
| 263 | |
| 264 | //compute the end of pattern sring |
| 265 | offset = offset + 2*localPattern.ucPatternMaskSize; |
| 266 | if(offset+1 != len) //offset begins with 0 |
| 267 | { |
| 268 | VOS_TRACE( VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR, |
Arif Hussain | 6d2a332 | 2013-11-17 19:50:10 -0800 | [diff] [blame] | 269 | "%s: Malformed pattern string...skip!", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 270 | ptrn += len; |
| 271 | goto next_ptrn; |
| 272 | } |
| 273 | |
| 274 | temp = ptrn; |
| 275 | |
| 276 | // Now advance to where pattern begins |
| 277 | ptrn += 6; |
| 278 | |
| 279 | // Extract the pattern |
| 280 | for(i=0; i < localPattern.ucPatternSize; i++) |
| 281 | { |
| 282 | localPattern.ucPattern[i] = |
Srinivas Girigowda | 100eb32 | 2013-03-15 16:48:20 -0700 | [diff] [blame] | 283 | (hdd_parse_hex( ptrn[0] ) * 0x10 ) + hdd_parse_hex( ptrn[1] ); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 284 | ptrn += 2; //skip to next byte |
| 285 | } |
| 286 | |
| 287 | ptrn++; // Skip over the ':' seperator after the pattern |
| 288 | |
| 289 | // Extract the pattern Mask |
| 290 | for(i=0; i < localPattern.ucPatternMaskSize; i++) |
| 291 | { |
| 292 | localPattern.ucPatternMask[i] = |
Srinivas Girigowda | 100eb32 | 2013-03-15 16:48:20 -0700 | [diff] [blame] | 293 | (hdd_parse_hex( ptrn[0] ) * 0x10 ) + hdd_parse_hex( ptrn[1] ); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 294 | ptrn += 2; //skip to next byte |
| 295 | } |
| 296 | |
| 297 | //All is good. Store the pattern locally |
| 298 | g_hdd_wowl_ptrns[first_empty_slot] = (char*) kmalloc(len+1, GFP_KERNEL); |
| 299 | if(g_hdd_wowl_ptrns[first_empty_slot] == NULL) |
| 300 | { |
| 301 | VOS_TRACE( VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 302 | "%s: kmalloc failure", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 303 | return VOS_FALSE; |
| 304 | } |
| 305 | |
| 306 | memcpy(g_hdd_wowl_ptrns[first_empty_slot], temp, len); |
| 307 | g_hdd_wowl_ptrns[first_empty_slot][len] = '\0'; |
| 308 | localPattern.ucPatternId = first_empty_slot; |
| 309 | localPattern.ucPatternByteOffset = 0; |
| 310 | |
| 311 | // Register the pattern downstream |
Madan Mohan Koyyalamudi | 96dd30d | 2012-10-05 17:24:51 -0700 | [diff] [blame] | 312 | halStatus = sme_WowlAddBcastPattern( hHal, &localPattern, sessionId ); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 313 | if ( !HAL_STATUS_SUCCESS( halStatus ) ) |
| 314 | { |
| 315 | // Add failed, so invalidate the local storage |
| 316 | VOS_TRACE( VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR, |
Jeff Johnson | 0299d0a | 2013-10-30 12:37:43 -0700 | [diff] [blame] | 317 | "sme_WowlAddBcastPattern failed with error code (%d)", halStatus ); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 318 | kfree(g_hdd_wowl_ptrns[first_empty_slot]); |
| 319 | g_hdd_wowl_ptrns[first_empty_slot] = NULL; |
| 320 | } |
| 321 | |
| 322 | dump_hdd_wowl_ptrn(&localPattern); |
| 323 | |
| 324 | next_ptrn: |
| 325 | if (*ptrn == WOWL_INTER_PTRN_TOKENIZER) |
| 326 | { |
| 327 | ptrn += 1; // move past the tokenizer |
| 328 | len = find_ptrn_len(ptrn); |
| 329 | continue; |
| 330 | } |
| 331 | else |
| 332 | break; |
| 333 | } |
| 334 | |
| 335 | return VOS_TRUE; |
| 336 | } |
| 337 | |
| 338 | /**============================================================================ |
| 339 | @brief hdd_del_wowl_ptrn() - Function which will remove a WoWL pattern |
| 340 | |
| 341 | @param ptrn : [in] pointer to the pattern string to be removed |
| 342 | |
| 343 | @return : FALSE if any errors encountered |
| 344 | : TRUE otherwise |
| 345 | ===========================================================================*/ |
Madan Mohan Koyyalamudi | 96dd30d | 2012-10-05 17:24:51 -0700 | [diff] [blame] | 346 | v_BOOL_t hdd_del_wowl_ptrn (hdd_adapter_t *pAdapter, const char * ptrn) |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 347 | { |
| 348 | tSirWowlDelBcastPtrn delPattern; |
| 349 | unsigned char id; |
Madan Mohan Koyyalamudi | 96dd30d | 2012-10-05 17:24:51 -0700 | [diff] [blame] | 350 | tHalHandle hHal = WLAN_HDD_GET_HAL_CTX(pAdapter); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 351 | v_BOOL_t patternFound = VOS_FALSE; |
| 352 | eHalStatus halStatus; |
Madan Mohan Koyyalamudi | 96dd30d | 2012-10-05 17:24:51 -0700 | [diff] [blame] | 353 | v_U8_t sessionId = pAdapter->sessionId; |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 354 | |
| 355 | // Detect pattern |
| 356 | for (id=0; id<WOWL_MAX_PTRNS_ALLOWED && g_hdd_wowl_ptrns[id] != NULL; id++) |
| 357 | { |
| 358 | if(!strcmp(ptrn, g_hdd_wowl_ptrns[id])) |
| 359 | { |
| 360 | patternFound = VOS_TRUE; |
| 361 | break; |
| 362 | } |
| 363 | } |
| 364 | |
| 365 | // If pattern present, remove it from downstream |
| 366 | if(patternFound) |
| 367 | { |
| 368 | delPattern.ucPatternId = id; |
Madan Mohan Koyyalamudi | 96dd30d | 2012-10-05 17:24:51 -0700 | [diff] [blame] | 369 | halStatus = sme_WowlDelBcastPattern( hHal, &delPattern, sessionId ); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 370 | if ( HAL_STATUS_SUCCESS( halStatus ) ) |
| 371 | { |
| 372 | // Remove from local storage as well |
| 373 | VOS_TRACE( VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR, |
| 374 | "Deleted pattern with id %d [%s]", id, g_hdd_wowl_ptrns[id]); |
| 375 | |
| 376 | kfree(g_hdd_wowl_ptrns[id]); |
| 377 | g_hdd_wowl_ptrns[id] = NULL; |
| 378 | return VOS_TRUE; |
| 379 | } |
| 380 | } |
| 381 | return VOS_FALSE; |
| 382 | } |
| 383 | |
| 384 | /**============================================================================ |
Yue Ma | 0d4891e | 2013-08-06 17:01:45 -0700 | [diff] [blame] | 385 | @brief hdd_add_wowl_ptrn_debugfs() - Function which will add a WoW pattern |
Yue Ma | ddad6a7 | 2013-11-19 12:40:59 -0800 | [diff] [blame] | 386 | sent from debugfs interface |
Yue Ma | 0d4891e | 2013-08-06 17:01:45 -0700 | [diff] [blame] | 387 | |
| 388 | @param pAdapter : [in] pointer to the adapter |
| 389 | pattern_idx : [in] index of the pattern to be added |
| 390 | pattern_offset : [in] offset of the pattern in the frame payload |
| 391 | pattern_buf : [in] pointer to the pattern hex string to be added |
Yue Ma | ddad6a7 | 2013-11-19 12:40:59 -0800 | [diff] [blame] | 392 | pattern_mask : [in] pointer to the pattern mask hex string |
Yue Ma | 0d4891e | 2013-08-06 17:01:45 -0700 | [diff] [blame] | 393 | |
| 394 | @return : FALSE if any errors encountered |
| 395 | : TRUE otherwise |
| 396 | ===========================================================================*/ |
| 397 | v_BOOL_t hdd_add_wowl_ptrn_debugfs(hdd_adapter_t *pAdapter, v_U8_t pattern_idx, |
Yue Ma | ddad6a7 | 2013-11-19 12:40:59 -0800 | [diff] [blame] | 398 | v_U8_t pattern_offset, char *pattern_buf, |
| 399 | char *pattern_mask) |
Yue Ma | 0d4891e | 2013-08-06 17:01:45 -0700 | [diff] [blame] | 400 | { |
| 401 | tSirWowlAddBcastPtrn localPattern; |
| 402 | eHalStatus halStatus; |
| 403 | tHalHandle hHal = WLAN_HDD_GET_HAL_CTX(pAdapter); |
| 404 | v_U8_t sessionId = pAdapter->sessionId; |
Yue Ma | ddad6a7 | 2013-11-19 12:40:59 -0800 | [diff] [blame] | 405 | v_U16_t pattern_len, mask_len, i; |
Yue Ma | 0d4891e | 2013-08-06 17:01:45 -0700 | [diff] [blame] | 406 | |
| 407 | if (pattern_idx > (WOWL_MAX_PTRNS_ALLOWED - 1)) |
| 408 | { |
| 409 | VOS_TRACE( VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR, |
| 410 | "%s: WoW pattern index %d is out of range (0 ~ %d).", |
| 411 | __func__, pattern_idx, WOWL_MAX_PTRNS_ALLOWED - 1); |
| 412 | |
| 413 | return VOS_FALSE; |
| 414 | } |
| 415 | |
| 416 | pattern_len = strlen(pattern_buf); |
| 417 | |
| 418 | /* Since the pattern is a hex string, 2 characters represent 1 byte. */ |
| 419 | if (pattern_len % 2) |
| 420 | { |
| 421 | VOS_TRACE( VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR, |
| 422 | "%s: Malformed WoW pattern!", __func__); |
| 423 | |
| 424 | return VOS_FALSE; |
| 425 | } |
| 426 | else |
| 427 | pattern_len >>= 1; |
| 428 | |
| 429 | if (!pattern_len || pattern_len > WOWL_PTRN_MAX_SIZE) |
| 430 | { |
| 431 | VOS_TRACE( VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR, |
| 432 | "%s: WoW pattern length %d is out of range (1 ~ %d).", |
| 433 | __func__, pattern_len, WOWL_PTRN_MAX_SIZE); |
| 434 | |
| 435 | return VOS_FALSE; |
| 436 | } |
| 437 | |
| 438 | localPattern.ucPatternId = pattern_idx; |
| 439 | localPattern.ucPatternByteOffset = pattern_offset; |
| 440 | localPattern.ucPatternSize = pattern_len; |
Mingcheng Zhu | 87f22fc | 2014-01-30 19:23:32 -0800 | [diff] [blame] | 441 | if (localPattern.ucPatternSize > SIR_WOWL_BCAST_PATTERN_MAX_SIZE) { |
| 442 | VOS_TRACE( VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR, |
| 443 | "%s: WoW pattern size (%d) greater than max (%d)", |
| 444 | __func__, localPattern.ucPatternSize, |
| 445 | SIR_WOWL_BCAST_PATTERN_MAX_SIZE); |
| 446 | return VOS_FALSE; |
| 447 | } |
Yue Ma | 0d4891e | 2013-08-06 17:01:45 -0700 | [diff] [blame] | 448 | /* Extract the pattern */ |
| 449 | for (i = 0; i < localPattern.ucPatternSize; i++) |
| 450 | { |
| 451 | localPattern.ucPattern[i] = |
| 452 | (hdd_parse_hex(pattern_buf[0]) << 4) + hdd_parse_hex(pattern_buf[1]); |
| 453 | |
| 454 | /* Skip to next byte */ |
| 455 | pattern_buf += 2; |
| 456 | } |
| 457 | |
Yue Ma | ddad6a7 | 2013-11-19 12:40:59 -0800 | [diff] [blame] | 458 | /* Get pattern mask size by pattern length */ |
| 459 | localPattern.ucPatternMaskSize = pattern_len >> 3; |
Yue Ma | 0d4891e | 2013-08-06 17:01:45 -0700 | [diff] [blame] | 460 | if (pattern_len % 8) |
Yue Ma | 0d4891e | 2013-08-06 17:01:45 -0700 | [diff] [blame] | 461 | localPattern.ucPatternMaskSize += 1; |
Yue Ma | ddad6a7 | 2013-11-19 12:40:59 -0800 | [diff] [blame] | 462 | |
| 463 | mask_len = strlen(pattern_mask); |
| 464 | if ((mask_len % 2) || (localPattern.ucPatternMaskSize != (mask_len >> 1))) |
| 465 | { |
| 466 | VOS_TRACE( VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR, |
| 467 | "%s: Malformed WoW pattern mask!", __func__); |
| 468 | |
| 469 | return VOS_FALSE; |
| 470 | } |
Mingcheng Zhu | 87f22fc | 2014-01-30 19:23:32 -0800 | [diff] [blame] | 471 | if (localPattern.ucPatternMaskSize > WOWL_PTRN_MASK_MAX_SIZE) { |
| 472 | VOS_TRACE( VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR, |
| 473 | "%s: WoW pattern mask size (%d) greater than max (%d)", |
| 474 | __func__, localPattern.ucPatternMaskSize, WOWL_PTRN_MASK_MAX_SIZE); |
| 475 | return VOS_FALSE; |
| 476 | } |
Yue Ma | ddad6a7 | 2013-11-19 12:40:59 -0800 | [diff] [blame] | 477 | /* Extract the pattern mask */ |
| 478 | for (i = 0; i < localPattern.ucPatternMaskSize; i++) |
| 479 | { |
| 480 | localPattern.ucPatternMask[i] = |
| 481 | (hdd_parse_hex(pattern_mask[0]) << 4) + hdd_parse_hex(pattern_mask[1]); |
| 482 | |
| 483 | /* Skip to next byte */ |
| 484 | pattern_mask += 2; |
Yue Ma | 0d4891e | 2013-08-06 17:01:45 -0700 | [diff] [blame] | 485 | } |
| 486 | |
| 487 | /* Register the pattern downstream */ |
| 488 | halStatus = sme_WowlAddBcastPattern(hHal, &localPattern, sessionId); |
| 489 | |
| 490 | if (!HAL_STATUS_SUCCESS(halStatus)) |
| 491 | { |
| 492 | VOS_TRACE( VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR, |
Jeff Johnson | 0299d0a | 2013-10-30 12:37:43 -0700 | [diff] [blame] | 493 | "%s: sme_WowlAddBcastPattern failed with error code (%d).", |
Yue Ma | 0d4891e | 2013-08-06 17:01:45 -0700 | [diff] [blame] | 494 | __func__, halStatus); |
| 495 | |
| 496 | return VOS_FALSE; |
| 497 | } |
| 498 | |
Yue Ma | 0d4891e | 2013-08-06 17:01:45 -0700 | [diff] [blame] | 499 | /* All is good. */ |
| 500 | if (!g_hdd_wowl_ptrns_debugfs[pattern_idx]) |
| 501 | { |
| 502 | g_hdd_wowl_ptrns_debugfs[pattern_idx] = 1; |
| 503 | g_hdd_wowl_ptrns_count++; |
| 504 | } |
| 505 | |
| 506 | dump_hdd_wowl_ptrn(&localPattern); |
| 507 | |
| 508 | return VOS_TRUE; |
| 509 | } |
| 510 | |
| 511 | /**============================================================================ |
| 512 | @brief hdd_del_wowl_ptrn_debugfs() - Function which will remove a WoW pattern |
Yue Ma | ddad6a7 | 2013-11-19 12:40:59 -0800 | [diff] [blame] | 513 | sent from debugfs interface |
Yue Ma | 0d4891e | 2013-08-06 17:01:45 -0700 | [diff] [blame] | 514 | |
| 515 | @param pAdapter : [in] pointer to the adapter |
| 516 | pattern_idx : [in] index of the pattern to be removed |
| 517 | |
| 518 | @return : FALSE if any errors encountered |
| 519 | : TRUE otherwise |
| 520 | ===========================================================================*/ |
| 521 | v_BOOL_t hdd_del_wowl_ptrn_debugfs(hdd_adapter_t *pAdapter, v_U8_t pattern_idx) |
| 522 | { |
| 523 | tSirWowlDelBcastPtrn delPattern; |
| 524 | tHalHandle hHal = WLAN_HDD_GET_HAL_CTX(pAdapter); |
| 525 | eHalStatus halStatus; |
| 526 | v_U8_t sessionId = pAdapter->sessionId; |
| 527 | |
| 528 | if (pattern_idx > (WOWL_MAX_PTRNS_ALLOWED - 1)) |
| 529 | { |
| 530 | VOS_TRACE( VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR, |
| 531 | "%s: WoW pattern index %d is not in the range (0 ~ %d).", |
| 532 | __func__, pattern_idx, WOWL_MAX_PTRNS_ALLOWED - 1); |
| 533 | |
| 534 | return VOS_FALSE; |
| 535 | } |
| 536 | |
| 537 | if (!g_hdd_wowl_ptrns_debugfs[pattern_idx]) |
| 538 | { |
| 539 | VOS_TRACE( VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR, |
| 540 | "%s: WoW pattern %d is not in the table.", |
| 541 | __func__, pattern_idx); |
| 542 | |
| 543 | return VOS_FALSE; |
| 544 | } |
| 545 | |
| 546 | delPattern.ucPatternId = pattern_idx; |
| 547 | halStatus = sme_WowlDelBcastPattern(hHal, &delPattern, sessionId); |
| 548 | |
| 549 | if (!HAL_STATUS_SUCCESS(halStatus)) |
| 550 | { |
| 551 | VOS_TRACE( VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR, |
Jeff Johnson | 0299d0a | 2013-10-30 12:37:43 -0700 | [diff] [blame] | 552 | "%s: sme_WowlDelBcastPattern failed with error code (%d).", |
Yue Ma | 0d4891e | 2013-08-06 17:01:45 -0700 | [diff] [blame] | 553 | __func__, halStatus); |
| 554 | |
| 555 | return VOS_FALSE; |
| 556 | } |
| 557 | |
| 558 | g_hdd_wowl_ptrns_debugfs[pattern_idx] = 0; |
| 559 | g_hdd_wowl_ptrns_count--; |
| 560 | |
Yue Ma | 0d4891e | 2013-08-06 17:01:45 -0700 | [diff] [blame] | 561 | return VOS_TRUE; |
| 562 | } |
| 563 | |
| 564 | /**============================================================================ |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 565 | @brief hdd_enter_wowl() - Function which will enable WoWL. Atleast one |
| 566 | of MP and PBM must be enabled |
| 567 | |
| 568 | @param enable_mp : [in] Whether to enable magic packet WoWL mode |
| 569 | @param enable_pbm : [in] Whether to enable pattern byte matching WoWL mode |
| 570 | |
| 571 | @return : FALSE if any errors encountered |
| 572 | : TRUE otherwise |
| 573 | ===========================================================================*/ |
Kumar Anand | 4227793 | 2014-03-29 21:09:21 -0700 | [diff] [blame] | 574 | v_BOOL_t hdd_enter_wowl (hdd_adapter_t *pAdapter, v_BOOL_t enable_mp, v_BOOL_t enable_pbm) |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 575 | { |
| 576 | tSirSmeWowlEnterParams wowParams; |
| 577 | eHalStatus halStatus; |
Madan Mohan Koyyalamudi | 96dd30d | 2012-10-05 17:24:51 -0700 | [diff] [blame] | 578 | tHalHandle hHal = WLAN_HDD_GET_HAL_CTX(pAdapter); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 579 | |
Kumar Anand | 4227793 | 2014-03-29 21:09:21 -0700 | [diff] [blame] | 580 | vos_mem_zero( &wowParams, sizeof( tSirSmeWowlEnterParams ) ); |
| 581 | |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 582 | wowParams.ucPatternFilteringEnable = enable_pbm; |
| 583 | wowParams.ucMagicPktEnable = enable_mp; |
| 584 | if(enable_mp) |
| 585 | { |
| 586 | vos_copy_macaddr( (v_MACADDR_t *)&(wowParams.magicPtrn), |
| 587 | &(pAdapter->macAddressCurrent) ); |
| 588 | } |
| 589 | |
Kumar Anand | 4227793 | 2014-03-29 21:09:21 -0700 | [diff] [blame] | 590 | #ifdef WLAN_WAKEUP_EVENTS |
| 591 | wowParams.ucWoWEAPIDRequestEnable = VOS_TRUE; |
| 592 | wowParams.ucWoWEAPOL4WayEnable = VOS_TRUE; |
| 593 | wowParams.ucWowNetScanOffloadMatch = VOS_TRUE; |
| 594 | wowParams.ucWowGTKRekeyError = VOS_TRUE; |
| 595 | wowParams.ucWoWBSSConnLoss = VOS_TRUE; |
| 596 | #endif // WLAN_WAKEUP_EVENTS |
| 597 | |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 598 | // Request to put Libra into WoWL |
Madan Mohan Koyyalamudi | 96dd30d | 2012-10-05 17:24:51 -0700 | [diff] [blame] | 599 | halStatus = sme_EnterWowl( hHal, hdd_wowl_callback, |
Kumar Anand | aca924e | 2013-07-22 14:35:34 -0700 | [diff] [blame] | 600 | pAdapter, |
| 601 | #ifdef WLAN_WAKEUP_EVENTS |
| 602 | hdd_wowl_wakeIndication_callback, |
| 603 | pAdapter, |
| 604 | #endif // WLAN_WAKEUP_EVENTS |
| 605 | &wowParams, pAdapter->sessionId); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 606 | |
| 607 | if ( !HAL_STATUS_SUCCESS( halStatus ) ) |
| 608 | { |
| 609 | if ( eHAL_STATUS_PMC_PENDING != halStatus ) |
| 610 | { |
| 611 | // We failed to enter WoWL |
| 612 | VOS_TRACE( VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR, |
Jeff Johnson | 0299d0a | 2013-10-30 12:37:43 -0700 | [diff] [blame] | 613 | "sme_EnterWowl failed with error code (%d)", halStatus ); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 614 | return VOS_FALSE; |
| 615 | } |
| 616 | } |
| 617 | return VOS_TRUE; |
| 618 | } |
| 619 | |
| 620 | /**============================================================================ |
| 621 | @brief hdd_exit_wowl() - Function which will disable WoWL |
| 622 | |
c_hpothu | 01484c0 | 2014-05-16 14:05:15 +0530 | [diff] [blame] | 623 | @param wowlExitSrc: To know is wowl exiting because of wakeup pkt or user |
| 624 | explicitly disabling WoWL |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 625 | @return : FALSE if any errors encountered |
| 626 | : TRUE otherwise |
| 627 | ===========================================================================*/ |
c_hpothu | 01484c0 | 2014-05-16 14:05:15 +0530 | [diff] [blame] | 628 | v_BOOL_t hdd_exit_wowl (hdd_adapter_t*pAdapter, tWowlExitSource wowlExitSrc) |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 629 | { |
Madan Mohan Koyyalamudi | 96dd30d | 2012-10-05 17:24:51 -0700 | [diff] [blame] | 630 | tHalHandle hHal = WLAN_HDD_GET_HAL_CTX(pAdapter); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 631 | eHalStatus halStatus; |
| 632 | |
c_hpothu | 01484c0 | 2014-05-16 14:05:15 +0530 | [diff] [blame] | 633 | halStatus = sme_ExitWowl( hHal, wowlExitSrc ); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 634 | if ( !HAL_STATUS_SUCCESS( halStatus ) ) |
| 635 | { |
| 636 | VOS_TRACE( VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR, |
Jeff Johnson | 0299d0a | 2013-10-30 12:37:43 -0700 | [diff] [blame] | 637 | "sme_ExitWowl failed with error code (%d)", halStatus ); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 638 | return VOS_FALSE; |
| 639 | } |
| 640 | |
| 641 | return VOS_TRUE; |
| 642 | } |
| 643 | |
| 644 | /**============================================================================ |
| 645 | @brief hdd_init_wowl() - Init function which will initialize the WoWL module |
| 646 | and perform any required intial configuration |
| 647 | |
| 648 | @return : FALSE if any errors encountered |
| 649 | : TRUE otherwise |
| 650 | ===========================================================================*/ |
Madan Mohan Koyyalamudi | 96dd30d | 2012-10-05 17:24:51 -0700 | [diff] [blame] | 651 | v_BOOL_t hdd_init_wowl (hdd_adapter_t*pAdapter) |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 652 | { |
Madan Mohan Koyyalamudi | 96dd30d | 2012-10-05 17:24:51 -0700 | [diff] [blame] | 653 | hdd_context_t *pHddCtx = NULL; |
| 654 | pHddCtx = pAdapter->pHddCtx; |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 655 | |
| 656 | memset(g_hdd_wowl_ptrns, 0, sizeof(g_hdd_wowl_ptrns)); |
| 657 | |
| 658 | //Add any statically configured patterns |
Madan Mohan Koyyalamudi | 96dd30d | 2012-10-05 17:24:51 -0700 | [diff] [blame] | 659 | hdd_add_wowl_ptrn(pAdapter, pHddCtx->cfg_ini->wowlPattern); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 660 | |
| 661 | return VOS_TRUE; |
| 662 | } |