Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1 | /* |
Kiet Lam | aa8e15a | 2014-02-11 23:30:06 -0800 | [diff] [blame^] | 2 | * Copyright (c) 2012-2013 Qualcomm Atheros, Inc. |
| 3 | * All Rights Reserved. |
| 4 | * Qualcomm Atheros Confidential and Proprietary. |
Gopichand Nakkala | 92f07d8 | 2013-01-08 21:16:34 -0800 | [diff] [blame] | 5 | */ |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 6 | /**========================================================================= |
| 7 | |
| 8 | \file wlan_qct_pal_packet.c |
| 9 | |
| 10 | \brief Implementation for PAL packet. wpt = (Wlan Pal Type) wpal = (Wlan PAL) |
| 11 | |
| 12 | Definitions for platform with VOSS packet support and LA. |
| 13 | |
| 14 | Copyright 2010 (c) Qualcomm, Incorporated. All Rights Reserved. |
| 15 | |
| 16 | Qualcomm Confidential and Proprietary. |
| 17 | |
| 18 | ========================================================================*/ |
| 19 | |
| 20 | #include "wlan_qct_pal_packet.h" |
| 21 | #include "wlan_qct_pal_api.h" |
| 22 | #include "wlan_qct_pal_trace.h" |
| 23 | #include "vos_packet.h" |
| 24 | #include "vos_trace.h" |
| 25 | #include "vos_list.h" |
| 26 | |
| 27 | #include <linux/skbuff.h> |
| 28 | #include "dma-mapping.h" |
| 29 | |
| 30 | /*Per spec definition*/ |
| 31 | #define WPAL_ETHERNET_PAKCET_HEADER_SIZE 14 |
| 32 | |
| 33 | /*Per spec definition - not including QOS field*/ |
| 34 | #define WPAL_802_11_PACKET_HEADER_SIZE 24 |
| 35 | |
| 36 | /*p is a pointer to wpt_packet*/ |
| 37 | #define WPAL_TO_VOS_PKT(p) ((vos_pkt_t *)(p)) |
| 38 | |
| 39 | |
| 40 | typedef struct |
| 41 | { |
| 42 | void* pPhyAddr; |
| 43 | wpt_uint32 uLen; |
| 44 | }wpt_iterator_info; |
| 45 | |
| 46 | /* Storage for DXE CB function pointer */ |
Madan Mohan Koyyalamudi | dfd6aa8 | 2012-10-18 20:18:43 -0700 | [diff] [blame] | 47 | static wpalPacketLowPacketCB wpalPacketAvailableCB; |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 48 | |
Bansidhar Gopalachari | 609b79e | 2013-07-31 17:03:15 -0700 | [diff] [blame] | 49 | /* Temp storage for transport channel DIAG/LOG information |
| 50 | * Each channel will update information with different context |
| 51 | * Before send stored date to DIAG, |
| 52 | * temporary it should be stored */ |
| 53 | static wpt_log_data_stall_type wpalTrasportStallInfo; |
Bansidhar Gopalachari | 609b79e | 2013-07-31 17:03:15 -0700 | [diff] [blame] | 54 | |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 55 | /* |
| 56 | wpalPacketInit is no-op for VOSS-support wpt_packet |
| 57 | */ |
| 58 | wpt_status wpalPacketInit(void *pPalContext) |
| 59 | { |
| 60 | return eWLAN_PAL_STATUS_SUCCESS; |
| 61 | } |
| 62 | |
| 63 | |
| 64 | /* |
| 65 | wpalPacketClose is no-op for VOSS-support wpt_packet |
| 66 | */ |
| 67 | wpt_status wpalPacketClose(void *pPalContext) |
| 68 | { |
| 69 | return eWLAN_PAL_STATUS_SUCCESS; |
| 70 | } |
| 71 | |
| 72 | /*--------------------------------------------------------------------------- |
| 73 | wpalPacketRXLowResourceCB RX RAW packer CB function |
| 74 | Param: |
| 75 | pPacket Available RX packet |
| 76 | userData - PAL Client Context, DXE |
| 77 | Return: |
| 78 | Status |
| 79 | ---------------------------------------------------------------------------*/ |
| 80 | VOS_STATUS wpalPacketRXLowResourceCB(vos_pkt_t *pPacket, v_VOID_t *userData) |
| 81 | { |
| 82 | VOS_STATUS vosStatus = VOS_STATUS_E_FAILURE; |
| 83 | void* pData = NULL; |
| 84 | |
| 85 | if (NULL == pPacket) |
| 86 | { |
| 87 | WPAL_TRACE(eWLAN_MODULE_PAL, eWLAN_PAL_TRACE_LEVEL_ERROR, |
| 88 | "Get new RX PAL packet fail"); |
| 89 | return VOS_STATUS_E_FAILURE; |
| 90 | } |
| 91 | vosStatus = vos_pkt_reserve_head_fast( pPacket, &pData, |
| 92 | VPKT_SIZE_BUFFER ); |
| 93 | if(VOS_STATUS_SUCCESS != vosStatus) |
| 94 | { |
| 95 | WPAL_TRACE(eWLAN_MODULE_PAL, eWLAN_PAL_TRACE_LEVEL_ERROR, |
| 96 | "Prepare RX packet for DXE fail"); |
| 97 | return VOS_STATUS_E_FAILURE; |
| 98 | } |
| 99 | |
| 100 | if((NULL == wpalPacketAvailableCB) || (NULL == userData)) |
| 101 | { |
| 102 | WPAL_TRACE(eWLAN_MODULE_PAL, eWLAN_PAL_TRACE_LEVEL_ERROR, |
| 103 | "Invalid ARG for new RX packet"); |
| 104 | return VOS_STATUS_E_FAILURE; |
| 105 | } |
| 106 | |
| 107 | wpalPacketAvailableCB( (wpt_packet *)pPacket, userData ); |
Madan Mohan Koyyalamudi | c299445 | 2013-08-16 11:27:23 +0530 | [diff] [blame] | 108 | |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 109 | return VOS_STATUS_SUCCESS; |
| 110 | } |
| 111 | |
| 112 | /*--------------------------------------------------------------------------- |
| 113 | wpalPacketAlloc Allocate a wpt_packet from PAL. |
| 114 | Param: |
| 115 | pktType specify the type of wpt_packet to allocate |
| 116 | nPktSize - packet size |
| 117 | Return: |
| 118 | A pointer to the wpt_packet. NULL means fail. |
| 119 | ---------------------------------------------------------------------------*/ |
| 120 | wpt_packet * wpalPacketAlloc(wpt_packet_type pktType, wpt_uint32 nPktSize, |
| 121 | wpalPacketLowPacketCB rxLowCB, void *usrData) |
| 122 | { |
| 123 | VOS_STATUS vosStatus = VOS_STATUS_E_FAILURE; |
| 124 | wpt_packet* pPkt = NULL; |
| 125 | vos_pkt_t* pVosPkt = NULL; |
| 126 | void* pData = NULL; |
Leo Chang | b419a91 | 2013-03-29 18:58:21 -0700 | [diff] [blame] | 127 | v_U16_t allocLen; |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 128 | /*- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ |
| 129 | |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 130 | switch (pktType) |
| 131 | { |
| 132 | case eWLAN_PAL_PKT_TYPE_TX_802_11_MGMT: |
| 133 | vosStatus = vos_pkt_get_packet(&pVosPkt, VOS_PKT_TYPE_TX_802_11_MGMT, |
| 134 | nPktSize, 1, VOS_FALSE, |
| 135 | NULL, NULL /*no callback*/); |
| 136 | break; |
| 137 | |
| 138 | case eWLAN_PAL_PKT_TYPE_RX_RAW: |
Mihir Shete | b20fd74 | 2013-12-31 12:41:35 +0530 | [diff] [blame] | 139 | /* Set the wpalPacketAvailableCB before we try to get a VOS |
| 140 | * packet from the 'free list' and reset it if vos_pkt_get_packet() |
| 141 | * returns a valid packet. This order is required to avoid the |
| 142 | * race condition: |
| 143 | * 1. The below call to vos_pkt_get_packet() in RX_Thread determines |
| 144 | * that no more packets are available in the 'free list' and sets |
| 145 | * the low resource callbacks. |
| 146 | * 2. in parallel vos_pkt_return_packet() is called in MC_Thread for a |
| 147 | * Management frame before wpalPacketAlloc() gets a chance to set |
| 148 | * wpalPacketAvailableCB and since the 'low resource callbacks' |
| 149 | * are set the callback function - wpalPacketRXLowResourceCB is |
| 150 | * executed,but since wpalPacketAvailableCB is still NULL the low |
| 151 | * resource recovery fails. |
| 152 | */ |
| 153 | wpalPacketAvailableCB = rxLowCB; |
| 154 | |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 155 | vosStatus = vos_pkt_get_packet(&pVosPkt, VOS_PKT_TYPE_RX_RAW, |
| 156 | nPktSize, 1, VOS_FALSE, |
| 157 | wpalPacketRXLowResourceCB, usrData); |
| 158 | |
| 159 | #ifndef FEATURE_R33D |
| 160 | /* Reserve the entire raw rx buffer for DXE */ |
| 161 | if( vosStatus == VOS_STATUS_SUCCESS ) |
| 162 | { |
Mihir Shete | b20fd74 | 2013-12-31 12:41:35 +0530 | [diff] [blame] | 163 | wpalPacketAvailableCB = NULL; |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 164 | vosStatus = vos_pkt_reserve_head_fast( pVosPkt, &pData, nPktSize ); |
| 165 | } |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 166 | #endif /* FEATURE_R33D */ |
Leo Chang | 59232a8 | 2013-05-07 14:25:35 -0700 | [diff] [blame] | 167 | if((NULL != pVosPkt) && (VOS_STATUS_E_RESOURCES != vosStatus)) |
Leo Chang | b419a91 | 2013-03-29 18:58:21 -0700 | [diff] [blame] | 168 | { |
Leo Chang | 59232a8 | 2013-05-07 14:25:35 -0700 | [diff] [blame] | 169 | vos_pkt_get_packet_length(pVosPkt, &allocLen); |
| 170 | if (nPktSize != allocLen) |
| 171 | { |
| 172 | WPAL_TRACE(eWLAN_MODULE_PAL, eWLAN_PAL_TRACE_LEVEL_ERROR, |
| 173 | "RX packet alloc has problem, discard this frame, Len %d", allocLen); |
| 174 | vos_pkt_return_packet(pVosPkt); |
| 175 | return NULL; |
| 176 | } |
Leo Chang | b419a91 | 2013-03-29 18:58:21 -0700 | [diff] [blame] | 177 | } |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 178 | break; |
| 179 | |
| 180 | default: |
| 181 | WPAL_TRACE(eWLAN_MODULE_PAL, eWLAN_PAL_TRACE_LEVEL_ERROR, |
Arif Hussain | 9a5d538 | 2013-11-17 22:05:35 -0800 | [diff] [blame] | 182 | " try to allocate unsupported packet type (%d)", pktType); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 183 | break; |
| 184 | } |
| 185 | |
| 186 | if(VOS_IS_STATUS_SUCCESS(vosStatus)) |
| 187 | { |
| 188 | pPkt = (wpt_packet *)pVosPkt; |
| 189 | } |
| 190 | |
| 191 | |
| 192 | return pPkt; |
| 193 | }/*wpalPacketAlloc*/ |
| 194 | |
| 195 | |
| 196 | |
| 197 | /*--------------------------------------------------------------------------- |
| 198 | wpalPacketFree Free a wpt_packet chain for one particular type. |
| 199 | For our legacy UMAC, it is not needed because vos_packet contains pal_packet. |
| 200 | Param: |
| 201 | pPkt pointer to a wpt_packet |
| 202 | Return: |
| 203 | eWLAN_PAL_STATUS_SUCCESS - success |
| 204 | ---------------------------------------------------------------------------*/ |
| 205 | wpt_status wpalPacketFree(wpt_packet *pPkt) |
| 206 | { |
| 207 | VOS_STATUS vosStatus; |
| 208 | |
| 209 | if(NULL != pPkt->pInternalData) |
| 210 | { |
| 211 | wpalMemoryFree(pPkt->pInternalData); |
| 212 | } |
| 213 | vosStatus = vos_pkt_return_packet(WPAL_TO_VOS_PKT(pPkt)); |
| 214 | |
| 215 | //With VOSS support, we can cast between wpt_status and VOS_STATUS |
| 216 | return (wpt_status)vosStatus; |
| 217 | }/*wpalPacketFree*/ |
| 218 | |
| 219 | |
| 220 | /*--------------------------------------------------------------------------- |
| 221 | wpalPacketGetLength Get number of bytes in a wpt_packet. It include the |
| 222 | bytes in a BD if it exist. |
| 223 | Param: |
| 224 | pPkt - pointer to a packet to be freed. |
| 225 | Return: |
| 226 | Length of the data include layer-2 headers. For example, if the frame |
| 227 | is 802.3, the length includes the ethernet header. |
| 228 | ---------------------------------------------------------------------------*/ |
| 229 | wpt_uint32 wpalPacketGetLength(wpt_packet *pPkt) |
| 230 | { |
| 231 | v_U16_t len = 0, pktLen = 0; |
| 232 | |
| 233 | // Validate the parameter pointers |
| 234 | if (unlikely(NULL == pPkt)) |
| 235 | { |
| 236 | WPAL_TRACE(eWLAN_MODULE_PAL, eWLAN_PAL_TRACE_LEVEL_ERROR, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 237 | "%s : NULL packet pointer", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 238 | return eWLAN_PAL_STATUS_E_INVAL; |
| 239 | } |
| 240 | |
| 241 | |
| 242 | if( WPAL_PACKET_GET_BD_POINTER(pPkt) ) |
| 243 | { |
| 244 | len = WPAL_PACKET_GET_BD_LENGTH(pPkt); |
| 245 | } |
| 246 | if( VOS_IS_STATUS_SUCCESS(vos_pkt_get_packet_length(WPAL_TO_VOS_PKT(pPkt), &pktLen)) ) |
| 247 | { |
| 248 | len += pktLen; |
| 249 | } |
| 250 | else |
| 251 | { |
Arif Hussain | 9a5d538 | 2013-11-17 22:05:35 -0800 | [diff] [blame] | 252 | WPAL_TRACE(eWLAN_MODULE_PAL, eWLAN_PAL_TRACE_LEVEL_ERROR, "%s failed", |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 253 | __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 254 | } |
| 255 | |
| 256 | return ((wpt_uint32)len); |
| 257 | }/*wpalPacketGetLength*/ |
| 258 | |
| 259 | |
| 260 | /*--------------------------------------------------------------------------- |
| 261 | wpalPacketRawTrimHead Move the starting offset and return the head pointer |
| 262 | before the moving. The function can only be used with raw packets, |
| 263 | whose buffer is one piece and allocated by WLAN driver. This also |
| 264 | reduce the length of the packet. |
| 265 | Param: |
| 266 | pPkt - pointer to a wpt_packet. |
| 267 | size number of bytes to take off the head. |
| 268 | Return: |
| 269 | A pointer to the original buffer head before the trimming. |
| 270 | ---------------------------------------------------------------------------*/ |
| 271 | wpt_status wpalPacketRawTrimHead(wpt_packet *pPkt, wpt_uint32 size) |
| 272 | { |
| 273 | wpt_status status = eWLAN_PAL_STATUS_SUCCESS; |
| 274 | |
| 275 | // Validate the parameter pointers |
| 276 | if (unlikely(NULL == pPkt)) |
| 277 | { |
| 278 | WPAL_TRACE(eWLAN_MODULE_PAL, eWLAN_PAL_TRACE_LEVEL_ERROR, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 279 | "%s : NULL packet pointer", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 280 | return eWLAN_PAL_STATUS_E_INVAL; |
| 281 | } |
| 282 | |
Manjunathappa Prakash | fb58546 | 2013-12-23 19:07:07 -0800 | [diff] [blame] | 283 | if ((eWLAN_PAL_PKT_TYPE_TX_802_11_MGMT == WPAL_PACKET_GET_TYPE(pPkt)) || |
| 284 | (eWLAN_PAL_PKT_TYPE_RX_RAW == WPAL_PACKET_GET_TYPE(pPkt))) |
| 285 | { |
| 286 | // Continue to trim the packet |
| 287 | } |
| 288 | else |
| 289 | { |
| 290 | WPAL_TRACE(eWLAN_MODULE_PAL, eWLAN_PAL_TRACE_LEVEL_ERROR, |
| 291 | "%s : neither 80211 managment packet nor RAW packet", __func__); |
| 292 | VOS_ASSERT(0); |
| 293 | return eWLAN_PAL_STATUS_E_INVAL; |
| 294 | } |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 295 | |
| 296 | if( !VOS_IS_STATUS_SUCCESS(vos_pkt_trim_head(WPAL_TO_VOS_PKT(pPkt), (v_SIZE_t)size)) ) |
| 297 | { |
Arif Hussain | 9a5d538 | 2013-11-17 22:05:35 -0800 | [diff] [blame] | 298 | WPAL_TRACE(eWLAN_MODULE_PAL, eWLAN_PAL_TRACE_LEVEL_ERROR, "%s Invalid trim(%d)", |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 299 | __func__, size); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 300 | status = eWLAN_PAL_STATUS_E_INVAL; |
| 301 | } |
| 302 | |
| 303 | return status; |
| 304 | }/*wpalPacketRawTrimHead*/ |
| 305 | |
| 306 | /*--------------------------------------------------------------------------- |
| 307 | wpalPacketRawTrimTail reduce the length of the packet. |
| 308 | Param: |
| 309 | pPkt - pointer to a wpt_packet. |
| 310 | size number of bytes to take of the packet length |
| 311 | Return: |
| 312 | eWLAN_PAL_STATUS_SUCCESS success. Otherwise fail. |
| 313 | ---------------------------------------------------------------------------*/ |
| 314 | wpt_status wpalPacketRawTrimTail(wpt_packet *pPkt, wpt_uint32 size) |
| 315 | { |
| 316 | wpt_status status = eWLAN_PAL_STATUS_SUCCESS; |
| 317 | |
| 318 | // Validate the parameter pointers |
| 319 | if (unlikely(NULL == pPkt)) |
| 320 | { |
| 321 | WPAL_TRACE(eWLAN_MODULE_PAL, eWLAN_PAL_TRACE_LEVEL_ERROR, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 322 | "%s : NULL packet pointer", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 323 | return eWLAN_PAL_STATUS_E_INVAL; |
| 324 | } |
| 325 | |
Manjunathappa Prakash | fb58546 | 2013-12-23 19:07:07 -0800 | [diff] [blame] | 326 | if ((eWLAN_PAL_PKT_TYPE_TX_802_11_MGMT == WPAL_PACKET_GET_TYPE(pPkt)) || |
| 327 | (eWLAN_PAL_PKT_TYPE_RX_RAW == WPAL_PACKET_GET_TYPE(pPkt))) |
| 328 | { |
| 329 | // Continue to trim the packet |
| 330 | } |
| 331 | else |
| 332 | { |
| 333 | WPAL_TRACE(eWLAN_MODULE_PAL, eWLAN_PAL_TRACE_LEVEL_ERROR, |
| 334 | "%s : neither 80211 managment packet nor RAW packet", __func__); |
| 335 | VOS_ASSERT(0); |
| 336 | return eWLAN_PAL_STATUS_E_INVAL; |
| 337 | } |
| 338 | |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 339 | if( !VOS_IS_STATUS_SUCCESS(vos_pkt_trim_tail(WPAL_TO_VOS_PKT(pPkt), (v_SIZE_t)size)) ) |
| 340 | { |
Arif Hussain | 9a5d538 | 2013-11-17 22:05:35 -0800 | [diff] [blame] | 341 | WPAL_TRACE(eWLAN_MODULE_PAL, eWLAN_PAL_TRACE_LEVEL_ERROR, "%s Invalid trim(%d)", |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 342 | __func__, size); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 343 | status = eWLAN_PAL_STATUS_E_INVAL; |
| 344 | } |
| 345 | |
| 346 | return status; |
| 347 | }/*wpalPacketRawTrimTail*/ |
| 348 | |
| 349 | |
| 350 | /*--------------------------------------------------------------------------- |
| 351 | wpalPacketGetRawBuf Return the starting buffer virtual address for the RAW flat buffer |
| 352 | It is inline in hope of faster implementation for certain platform. For Winxp, it |
| 353 | will be slow. |
| 354 | Param: |
| 355 | pPkt - pointer to a wpt_packet. |
| 356 | Return: |
| 357 | NULL - fail. |
| 358 | Otherwise the address of the starting of the buffer |
| 359 | ---------------------------------------------------------------------------*/ |
| 360 | wpt_uint8 *wpalPacketGetRawBuf(wpt_packet *pPkt) |
| 361 | { |
| 362 | wpt_uint8 *pRet = NULL; |
| 363 | |
| 364 | // Validate the parameter pointers |
| 365 | if (unlikely(NULL == pPkt)) |
| 366 | { |
| 367 | WPAL_TRACE(eWLAN_MODULE_PAL, eWLAN_PAL_TRACE_LEVEL_ERROR, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 368 | "%s : NULL packet pointer", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 369 | return NULL; |
| 370 | } |
| 371 | |
| 372 | //Since it is a flat buffer, all we need is to get one byte of offset 0 |
| 373 | if( (eWLAN_PAL_PKT_TYPE_RX_RAW == WPAL_PACKET_GET_TYPE(pPkt)) || |
| 374 | (eWLAN_PAL_PKT_TYPE_TX_802_11_MGMT == WPAL_PACKET_GET_TYPE(pPkt)) ) |
| 375 | { |
| 376 | vos_pkt_peek_data(WPAL_TO_VOS_PKT(pPkt), 0, (v_VOID_t**)&pRet, 1); |
| 377 | WPAL_ASSERT(NULL != pRet); |
| 378 | } |
| 379 | |
| 380 | return pRet; |
| 381 | }/*wpalPacketGetRawBuf*/ |
| 382 | |
| 383 | |
| 384 | /*--------------------------------------------------------------------------- |
| 385 | wpalPacketSetRxLength Set the valid data length on a RX packet. This function must |
| 386 | be called once per RX packet per receiving. It indicates the available data length from |
| 387 | the start of the buffer. |
| 388 | Param: |
| 389 | pPkt - pointer to a wpt_packet. |
| 390 | Return: |
| 391 | NULL - fail. |
| 392 | Otherwise the address of the starting of the buffer |
| 393 | ---------------------------------------------------------------------------*/ |
| 394 | wpt_status wpalPacketSetRxLength(wpt_packet *pPkt, wpt_uint32 len) |
| 395 | { |
| 396 | // Validate the parameter pointers |
| 397 | if (unlikely(NULL == pPkt)) |
| 398 | { |
| 399 | WPAL_TRACE(eWLAN_MODULE_PAL, eWLAN_PAL_TRACE_LEVEL_ERROR, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 400 | "%s : NULL packet pointer", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 401 | return eWLAN_PAL_STATUS_E_INVAL; |
| 402 | } |
| 403 | |
| 404 | /*Only allowed for RX Raw packets */ |
| 405 | if( (eWLAN_PAL_PKT_TYPE_RX_RAW != WPAL_PACKET_GET_TYPE(pPkt))) |
| 406 | { |
| 407 | WPAL_TRACE(eWLAN_MODULE_PAL, eWLAN_PAL_TRACE_LEVEL_ERROR, |
Arif Hussain | 9a5d538 | 2013-11-17 22:05:35 -0800 | [diff] [blame] | 408 | "%s Invalid packet type(%d)", __func__, |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 409 | WPAL_PACKET_GET_TYPE(pPkt)); |
| 410 | return eWLAN_PAL_STATUS_E_INVAL; |
| 411 | } |
| 412 | |
| 413 | if(VOS_IS_STATUS_SUCCESS(vos_pkt_set_rx_length(WPAL_TO_VOS_PKT(pPkt), len))) |
| 414 | { |
| 415 | return eWLAN_PAL_STATUS_SUCCESS; |
| 416 | } |
| 417 | else |
| 418 | { |
| 419 | return eWLAN_PAL_STATUS_E_INVAL; |
| 420 | } |
| 421 | }/*wpalPacketSetRxLength*/ |
| 422 | |
| 423 | /* |
| 424 | Set of helper functions that will prepare packet for DMA transfer, |
| 425 | based on the type of transfer : - to and from the device |
| 426 | - following these calls the packet will be locked for DMA only, |
| 427 | CPU will not be able to modify it => the packet must be explicitly returned to |
| 428 | the CPU once the DMA transfer is complete |
| 429 | */ |
| 430 | WPT_STATIC WPT_INLINE void* itGetOSPktAddrForDevice( wpt_packet *pPacket ) |
| 431 | { |
| 432 | struct sk_buff *skb; |
| 433 | /*- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ |
| 434 | if ( VOS_STATUS_SUCCESS != |
| 435 | vos_pkt_get_os_packet(WPAL_TO_VOS_PKT(pPacket), (void**)&skb, VOS_FALSE )) |
| 436 | { |
| 437 | return NULL; |
| 438 | } |
| 439 | else |
| 440 | { |
| 441 | /*Map skb data into dma-able memory |
| 442 | (changes will be commited from cache) */ |
| 443 | return (void*)dma_map_single( NULL, skb->data, skb->len, DMA_TO_DEVICE ); |
| 444 | } |
| 445 | }/*itGetOSPktAddrForDevice*/ |
| 446 | |
| 447 | WPT_STATIC WPT_INLINE void* itGetOSPktAddrFromDevice( wpt_packet *pPacket ) |
| 448 | { |
| 449 | |
| 450 | struct sk_buff *skb; |
| 451 | /*- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ |
| 452 | if ( VOS_STATUS_SUCCESS != |
| 453 | vos_pkt_get_os_packet(WPAL_TO_VOS_PKT(pPacket), (void**)&skb, VOS_FALSE )) |
| 454 | { |
| 455 | return NULL; |
| 456 | } |
| 457 | else |
| 458 | { |
| 459 | /*Map skb data into dma-able memory |
| 460 | (changes will be commited from cache) */ |
| 461 | return (void*)dma_map_single( NULL, skb->data, skb->len, DMA_FROM_DEVICE ); |
| 462 | } |
| 463 | }/*itGetOSPktAddrFromDevice*/ |
| 464 | |
| 465 | /* |
| 466 | Set of helper functions that will return a DMA-ed packet to the CPU, |
| 467 | based on the type of transfer : - to and from the device |
| 468 | */ |
| 469 | WPT_STATIC WPT_INLINE void itReturnOSPktAddrForDevice( wpt_packet *pPacket, void* addr, wpt_uint32 size ) |
| 470 | { |
| 471 | |
| 472 | dma_unmap_single( NULL, (dma_addr_t)addr, size, DMA_TO_DEVICE ); |
| 473 | } |
| 474 | |
| 475 | WPT_STATIC WPT_INLINE void itReturnOSPktAddrFromDevice( wpt_packet *pPacket, void* addr, wpt_uint32 size ) |
| 476 | { |
| 477 | |
| 478 | dma_unmap_single( NULL, (dma_addr_t)addr, size, DMA_FROM_DEVICE ); |
| 479 | } |
| 480 | |
| 481 | |
| 482 | /*--------------------------------------------------------------------------- |
| 483 | wpalIteratorInit Initialize an interator by updating pCur to first item. |
| 484 | Param: |
| 485 | pIter pointer to a caller allocated wpt_iterator |
| 486 | pPacket pointer to a wpt_packet |
| 487 | Return: |
| 488 | eWLAN_PAL_STATUS_SUCCESS - success |
| 489 | ---------------------------------------------------------------------------*/ |
| 490 | wpt_status wpalIteratorInit(wpt_iterator *pIter, wpt_packet *pPacket) |
| 491 | { |
| 492 | wpt_status status = eWLAN_PAL_STATUS_SUCCESS; |
| 493 | wpt_iterator_info* pCurInfo = NULL; |
| 494 | wpt_iterator_info* pNextInfo = NULL; |
| 495 | wpt_iterator_info* pPktInfo = NULL; |
| 496 | |
| 497 | // Validate the parameter pointers |
| 498 | if (unlikely((NULL == pPacket)||(NULL==pIter))) |
| 499 | { |
| 500 | WPAL_TRACE(eWLAN_MODULE_PAL, eWLAN_PAL_TRACE_LEVEL_ERROR, |
Jeff Johnson | bf6c489 | 2013-11-03 19:27:59 -0800 | [diff] [blame] | 501 | "%s : NULL input pointers %p %p", __func__, pPacket, pIter); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 502 | return eWLAN_PAL_STATUS_E_INVAL; |
| 503 | } |
| 504 | |
| 505 | pPktInfo = (wpt_iterator_info*)pPacket->pInternalData; |
| 506 | if (unlikely(NULL == pPktInfo)) |
| 507 | { |
| 508 | WPAL_TRACE(eWLAN_MODULE_PAL, eWLAN_PAL_TRACE_LEVEL_ERROR, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 509 | "%s : Invalid Packet Info", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 510 | return eWLAN_PAL_STATUS_E_INVAL; |
| 511 | } |
| 512 | |
| 513 | // if there is NO BD on this frame, then initialize the next pointer to |
| 514 | // point the first fragment. |
| 515 | if ( NULL == WPAL_PACKET_GET_BD_PHYS(pPacket) ) |
| 516 | { |
| 517 | pCurInfo = pPktInfo; |
| 518 | pNextInfo = NULL; |
| 519 | } |
| 520 | else |
| 521 | { |
| 522 | /*Allocate memory for the current info*/ |
| 523 | pCurInfo = wpalMemoryAllocate( sizeof(wpt_iterator_info) ); |
| 524 | |
| 525 | // Validate the memory allocation |
| 526 | if (unlikely(NULL == pCurInfo)) |
| 527 | { |
| 528 | WPAL_TRACE(eWLAN_MODULE_PAL, eWLAN_PAL_TRACE_LEVEL_ERROR, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 529 | "%s : Failed to allocate memory ", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 530 | return eWLAN_PAL_STATUS_E_INVAL; |
| 531 | } |
| 532 | |
| 533 | pCurInfo->pPhyAddr = WPAL_PACKET_GET_BD_PHYS(pPacket); |
| 534 | pCurInfo->uLen = WPAL_PACKET_GET_BD_LENGTH(pPacket); |
| 535 | |
| 536 | pNextInfo = pPktInfo; |
| 537 | } |
| 538 | |
| 539 | pIter->pCur = (void*)pCurInfo; |
| 540 | pIter->pNext = (void*)pNextInfo; |
| 541 | pIter->pContext = NULL; |
| 542 | |
| 543 | return status; |
| 544 | }/*wpalIteratorInit*/ |
| 545 | |
| 546 | /*--------------------------------------------------------------------------- |
| 547 | wpalIteratorNext Get the address for the next item |
| 548 | Param: |
| 549 | pIter pointer to a caller allocated wpt_iterator |
| 550 | pPacket pointer to a wpt_packet |
| 551 | ppAddr Caller allocated pointer to return the address of the item. |
| 552 | For DMA-able devices, this is the physical address of the item. |
| 553 | pLen To return the number of bytes in the item. |
| 554 | Return: |
| 555 | eWLAN_PAL_STATUS_SUCCESS - success |
| 556 | ---------------------------------------------------------------------------*/ |
| 557 | wpt_status wpalIteratorNext(wpt_iterator *pIter, wpt_packet *pPacket, void **ppAddr, wpt_uint32 *pLen) |
| 558 | { |
| 559 | wpt_iterator_info* pCurInfo = NULL; |
| 560 | /*- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -*/ |
| 561 | |
| 562 | /*------------------------------------------------------------------------- |
| 563 | Sanity check |
| 564 | -------------------------------------------------------------------------*/ |
| 565 | if (unlikely(( NULL == pIter )||( NULL == pPacket ) || |
| 566 | ( NULL == ppAddr ) || ( NULL == pLen ))) |
| 567 | { |
| 568 | WPAL_TRACE(eWLAN_MODULE_PAL, eWLAN_PAL_TRACE_LEVEL_ERROR, |
Arif Hussain | 9a5d538 | 2013-11-17 22:05:35 -0800 | [diff] [blame] | 569 | "%s Invalid input parameters", __func__ ); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 570 | return eWLAN_PAL_STATUS_E_INVAL; |
| 571 | } |
| 572 | |
| 573 | pCurInfo = (wpt_iterator_info*)pIter->pCur; |
| 574 | /*------------------------------------------------------------------------- |
| 575 | If current pointer is NULL - there is no data in the packet - return |
| 576 | -------------------------------------------------------------------------*/ |
| 577 | if( pIter->pCur == NULL ) |
| 578 | { |
| 579 | *ppAddr = NULL; |
| 580 | *pLen = 0; |
| 581 | return eWLAN_PAL_STATUS_SUCCESS; |
| 582 | } |
| 583 | |
| 584 | /*Address and length are kept in the current field*/ |
| 585 | *ppAddr = pCurInfo->pPhyAddr; |
| 586 | *pLen = pCurInfo->uLen; |
| 587 | |
| 588 | if( NULL == pIter->pNext ) |
| 589 | { |
| 590 | /*Save the iterator for cleanup*/ |
| 591 | pPacket->pInternalData = pIter->pCur; |
| 592 | pIter->pCur = NULL; |
| 593 | } |
| 594 | else |
| 595 | { |
| 596 | /*Release the memory saved for storing the BD information*/ |
| 597 | wpalMemoryFree(pCurInfo); |
| 598 | |
| 599 | /*For LA - the packet is represented by maximum 2 fields of data |
| 600 | - BD and actual data from sk buff */ |
| 601 | pIter->pCur = pIter->pNext; |
| 602 | pIter->pNext = NULL; |
| 603 | } |
| 604 | |
| 605 | return eWLAN_PAL_STATUS_SUCCESS; |
| 606 | } |
| 607 | |
| 608 | /*--------------------------------------------------------------------------- |
| 609 | wpalLockPacketForTransfer Map the data buffer from dma so that the |
| 610 | data is commited from cache and the cpu relinquishes |
| 611 | ownership of the buffer |
| 612 | |
| 613 | Param: |
| 614 | pPacket pointer to a wpt_packet |
| 615 | |
| 616 | Return: |
| 617 | eWLAN_PAL_STATUS_SUCCESS - success |
| 618 | ---------------------------------------------------------------------------*/ |
| 619 | wpt_status wpalLockPacketForTransfer( wpt_packet *pPacket) |
| 620 | { |
| 621 | void* pPhyData = NULL; |
| 622 | wpt_iterator_info* pInfo = NULL; |
| 623 | v_U16_t uLenData = 0; |
| 624 | |
| 625 | // Validate the parameter pointers |
| 626 | if (unlikely(NULL == pPacket)) |
| 627 | { |
| 628 | WPAL_TRACE(eWLAN_MODULE_PAL, eWLAN_PAL_TRACE_LEVEL_ERROR, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 629 | "%s : NULL input pointer", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 630 | return eWLAN_PAL_STATUS_E_INVAL; |
| 631 | } |
| 632 | |
| 633 | switch(WPAL_PACKET_GET_TYPE(pPacket)) |
| 634 | { |
| 635 | /* For management frames, BD is allocated by WDI, header is in raw buffer, |
| 636 | rest of the frame is also in raw buffer */ |
| 637 | case eWLAN_PAL_PKT_TYPE_TX_802_11_MGMT: |
| 638 | { |
| 639 | /*TX Packets need to be DMA-ed to the device, perform DMA mapping |
| 640 | accordingly */ |
| 641 | pPhyData = (void*)itGetOSPktAddrForDevice( pPacket ); |
| 642 | } |
| 643 | break; |
| 644 | /* Data packets - BD (allocated by WDI), header (in VOSS header), |
| 645 | rest of the packet (DSM items) */ |
| 646 | case eWLAN_PAL_PKT_TYPE_TX_802_11_DATA: |
| 647 | case eWLAN_PAL_PKT_TYPE_TX_802_3_DATA: |
| 648 | { |
| 649 | /*TX Packets need to be DMA-ed to the device, perform DMA mapping |
| 650 | accordingly */ |
| 651 | pPhyData = (void*)itGetOSPktAddrForDevice( pPacket ); |
| 652 | } |
| 653 | break; |
| 654 | |
| 655 | /* For Raw RX, BD + header + rest of the packet is all contained in the raw |
| 656 | buffer */ |
| 657 | case eWLAN_PAL_PKT_TYPE_RX_RAW: |
| 658 | { |
| 659 | /*RX Packets need to be DMA-ed from the device, perform DMA mapping |
| 660 | accordingly */ |
| 661 | pPhyData = (void*)itGetOSPktAddrFromDevice( pPacket ); |
| 662 | } |
| 663 | break; |
| 664 | |
| 665 | default: |
| 666 | { |
| 667 | WPAL_TRACE(eWLAN_MODULE_PAL, eWLAN_PAL_TRACE_LEVEL_ERROR, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 668 | " WLAN_PAL: %s: Invalid packet type %d!", __func__, |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 669 | WPAL_PACKET_GET_TYPE(pPacket) ); |
| 670 | WPAL_ASSERT(0); |
| 671 | return eWLAN_PAL_STATUS_E_FAILURE; |
| 672 | } |
| 673 | } |
| 674 | |
| 675 | /*Get packet length*/ |
| 676 | vos_pkt_get_packet_length(WPAL_TO_VOS_PKT(pPacket),&uLenData); |
| 677 | |
| 678 | /*Allocate memory for the current info*/ |
| 679 | pInfo = wpalMemoryAllocate( sizeof(wpt_iterator_info) ); |
| 680 | |
| 681 | // Validate the memory allocation |
| 682 | if (unlikely(NULL == pInfo)) |
| 683 | { |
| 684 | WPAL_TRACE(eWLAN_MODULE_PAL, eWLAN_PAL_TRACE_LEVEL_ERROR, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 685 | "%s : Failed to allocate memory ", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 686 | return eWLAN_PAL_STATUS_E_INVAL; |
| 687 | } |
| 688 | |
| 689 | pInfo->pPhyAddr = pPhyData; |
| 690 | pInfo->uLen = uLenData; |
| 691 | |
| 692 | pPacket->pInternalData = pInfo; |
| 693 | return eWLAN_PAL_STATUS_SUCCESS; |
| 694 | }/*wpalLockPacketForTransfer*/ |
| 695 | |
| 696 | /*--------------------------------------------------------------------------- |
| 697 | wpalUnlockPacket Unmap the data buffer from dma so that cpu can regain |
| 698 | ownership on it |
| 699 | Param: |
| 700 | pPacket pointer to a wpt_packet |
| 701 | |
| 702 | Return: |
| 703 | eWLAN_PAL_STATUS_SUCCESS - success |
| 704 | ---------------------------------------------------------------------------*/ |
| 705 | wpt_status wpalUnlockPacket( wpt_packet *pPacket) |
| 706 | { |
| 707 | |
| 708 | wpt_iterator_info* pInfo; |
| 709 | |
| 710 | // Validate the parameter pointers |
| 711 | if (unlikely(NULL == pPacket)) |
| 712 | { |
| 713 | WPAL_TRACE(eWLAN_MODULE_PAL, eWLAN_PAL_TRACE_LEVEL_ERROR, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 714 | "%s : NULL input pointer pPacket", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 715 | return eWLAN_PAL_STATUS_E_INVAL; |
| 716 | } |
| 717 | |
| 718 | pInfo = (wpt_iterator_info*)pPacket->pInternalData; |
| 719 | |
| 720 | // Validate pInfo |
| 721 | if (unlikely(NULL == pInfo)) |
| 722 | { |
| 723 | WPAL_TRACE(eWLAN_MODULE_PAL, eWLAN_PAL_TRACE_LEVEL_FATAL, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 724 | "%s : NULL input pointer pInfo", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 725 | return eWLAN_PAL_STATUS_E_INVAL; |
| 726 | } |
| 727 | |
| 728 | switch(WPAL_PACKET_GET_TYPE(pPacket)) |
| 729 | { |
| 730 | /* For management frames, BD is allocated by WDI, header is in raw buffer, |
| 731 | rest of the frame is also in raw buffer */ |
| 732 | case eWLAN_PAL_PKT_TYPE_TX_802_11_MGMT: |
| 733 | { |
| 734 | /*TX Packets need to be DMA-ed to the device, perform DMA mapping |
| 735 | accordingly */ |
| 736 | itReturnOSPktAddrForDevice(pPacket, pInfo->pPhyAddr, pInfo->uLen); |
| 737 | } |
| 738 | break; |
| 739 | /* Data packets - BD (allocated by WDI), header (in VOSS header), |
| 740 | rest of the packet (DSM items) */ |
| 741 | case eWLAN_PAL_PKT_TYPE_TX_802_11_DATA: |
| 742 | case eWLAN_PAL_PKT_TYPE_TX_802_3_DATA: |
| 743 | { |
| 744 | /*TX Packets need to be DMA-ed to the device, perform DMA mapping |
| 745 | accordingly */ |
| 746 | itReturnOSPktAddrForDevice(pPacket, pInfo->pPhyAddr, pInfo->uLen); |
| 747 | } |
| 748 | break; |
| 749 | |
| 750 | /* For Raw RX, BD + header + rest of the packet is all contained in the raw |
| 751 | buffer */ |
| 752 | case eWLAN_PAL_PKT_TYPE_RX_RAW: |
| 753 | { |
| 754 | /*RX Packets need to be DMA-ed from the device, perform DMA mapping |
| 755 | accordingly */ |
Madan Mohan Koyyalamudi | f850f1c | 2012-12-05 16:03:53 -0800 | [diff] [blame] | 756 | if(NULL == pInfo->pPhyAddr) |
| 757 | { |
| 758 | WPAL_TRACE(eWLAN_MODULE_PAL, eWLAN_PAL_TRACE_LEVEL_ERROR, |
| 759 | " WLAN_PAL: %s: RX frame was not locked properly", __func__); |
| 760 | } |
| 761 | else |
| 762 | { |
| 763 | itReturnOSPktAddrFromDevice(pPacket, pInfo->pPhyAddr, pInfo->uLen); |
| 764 | } |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 765 | } |
| 766 | break; |
| 767 | |
| 768 | default: |
| 769 | { |
| 770 | WPAL_TRACE(eWLAN_MODULE_PAL, eWLAN_PAL_TRACE_LEVEL_ERROR, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 771 | " WLAN_PAL: %s: Invalid packet type %d!", __func__, |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 772 | WPAL_PACKET_GET_TYPE(pPacket) ); |
| 773 | WPAL_ASSERT(0); |
| 774 | return eWLAN_PAL_STATUS_E_FAILURE; |
| 775 | } |
| 776 | } |
| 777 | |
| 778 | wpalMemoryFree(pInfo); |
| 779 | pPacket->pInternalData = NULL; |
| 780 | return eWLAN_PAL_STATUS_SUCCESS; |
| 781 | }/*wpalUnlockPacket*/ |
| 782 | |
| 783 | /*--------------------------------------------------------------------------- |
| 784 | wpalIsPacketLocked Check whether the Packet is locked for DMA. |
| 785 | Param: |
| 786 | pPacket pointer to a wpt_packet |
| 787 | |
| 788 | Return: |
| 789 | eWLAN_PAL_STATUS_SUCCESS |
| 790 | eWLAN_PAL_STATUS_E_FAILURE |
| 791 | eWLAN_PAL_STATUS_E_INVAL |
| 792 | ---------------------------------------------------------------------------*/ |
| 793 | wpt_status wpalIsPacketLocked( wpt_packet *pPacket) |
| 794 | { |
| 795 | |
| 796 | wpt_iterator_info* pInfo; |
| 797 | |
| 798 | /* Validate the parameter pointers */ |
| 799 | if (NULL == pPacket) |
| 800 | { |
Gopichand Nakkala | 0dfe0a9 | 2013-06-19 21:50:26 +0530 | [diff] [blame] | 801 | WPAL_TRACE(eWLAN_MODULE_PAL, eWLAN_PAL_TRACE_LEVEL_WARN, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 802 | "%s : NULL input pointer", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 803 | return eWLAN_PAL_STATUS_E_INVAL; |
| 804 | } |
| 805 | |
| 806 | /* Validate pInternalData */ |
| 807 | pInfo = (wpt_iterator_info*)pPacket->pInternalData; |
| 808 | return (NULL == pInfo)? eWLAN_PAL_STATUS_E_FAILURE : |
| 809 | eWLAN_PAL_STATUS_SUCCESS; |
| 810 | }/*wpalIsPacketLocked*/ |
| 811 | |
Gopichand Nakkala | a2cb10c | 2013-05-03 17:48:29 -0700 | [diff] [blame] | 812 | /*--------------------------------------------------------------------------- |
| 813 | wpalGetNumRxRawPacket Query available RX RAW total buffer count |
| 814 | param: |
| 815 | numRxResource pointer of queried value |
| 816 | |
| 817 | return: |
| 818 | eWLAN_PAL_STATUS_SUCCESS |
| 819 | ---------------------------------------------------------------------------*/ |
| 820 | wpt_status wpalGetNumRxRawPacket(wpt_uint32 *numRxResource) |
| 821 | { |
| 822 | *numRxResource = (wpt_uint32)vos_pkt_get_num_of_rx_raw_pkts(); |
| 823 | |
| 824 | return eWLAN_PAL_STATUS_SUCCESS; |
| 825 | } |
Bansidhar Gopalachari | 609b79e | 2013-07-31 17:03:15 -0700 | [diff] [blame] | 826 | |
Bansidhar Gopalachari | 609b79e | 2013-07-31 17:03:15 -0700 | [diff] [blame] | 827 | /*--------------------------------------------------------------------------- |
| 828 | wpalPacketStallUpdateInfo Update each channel information when stall |
| 829 | detected, also power state and free resource count |
| 830 | |
| 831 | Param: |
| 832 | powerState ? WLAN system power state when stall detected |
| 833 | numFreeBd ? Number of free resource count in HW |
| 834 | channelInfo ? Each channel specific information when stall happen |
| 835 | channelNum ? Channel number update information |
| 836 | |
| 837 | Return: |
| 838 | NONE |
| 839 | |
| 840 | ---------------------------------------------------------------------------*/ |
| 841 | void wpalPacketStallUpdateInfo |
| 842 | ( |
| 843 | v_U32_t *powerState, |
| 844 | v_U32_t *numFreeBd, |
| 845 | wpt_log_data_stall_channel_type *channelInfo, |
| 846 | v_U8_t channelNum |
| 847 | ) |
| 848 | { |
| 849 | /* Update power state when stall detected */ |
| 850 | if(NULL != powerState) |
| 851 | { |
| 852 | wpalTrasportStallInfo.PowerState = *powerState; |
| 853 | } |
| 854 | |
| 855 | /* Update HW free resource count */ |
| 856 | if(NULL != numFreeBd) |
| 857 | { |
| 858 | wpalTrasportStallInfo.numFreeBd = *numFreeBd; |
| 859 | } |
| 860 | |
| 861 | /* Update channel information */ |
| 862 | if(NULL != channelInfo) |
| 863 | { |
| 864 | wpalMemoryCopy(&wpalTrasportStallInfo.dxeChannelInfo[channelNum], |
| 865 | channelInfo, |
| 866 | sizeof(wpt_log_data_stall_channel_type)); |
| 867 | } |
| 868 | |
| 869 | return; |
| 870 | } |
| 871 | |
Madan Mohan Koyyalamudi | 6208028 | 2013-08-05 12:51:17 +0530 | [diff] [blame] | 872 | #ifdef FEATURE_WLAN_DIAG_SUPPORT |
Bansidhar Gopalachari | 609b79e | 2013-07-31 17:03:15 -0700 | [diff] [blame] | 873 | /*--------------------------------------------------------------------------- |
| 874 | wpalPacketStallDumpLog Trigger to send log packet to DIAG |
| 875 | Updated transport system information will be sent to DIAG |
| 876 | |
| 877 | Param: |
| 878 | NONE |
| 879 | |
| 880 | Return: |
| 881 | NONE |
| 882 | |
| 883 | ---------------------------------------------------------------------------*/ |
| 884 | void wpalPacketStallDumpLog |
| 885 | ( |
| 886 | void |
| 887 | ) |
| 888 | { |
| 889 | vos_log_data_stall_type *log_ptr = NULL; |
| 890 | |
| 891 | WLAN_VOS_DIAG_LOG_ALLOC(log_ptr, vos_log_data_stall_type, LOG_TRSP_DATA_STALL_C); |
| 892 | if(log_ptr) |
| 893 | { |
| 894 | log_ptr->PowerState = wpalTrasportStallInfo.PowerState; |
| 895 | log_ptr->numFreeBd = wpalTrasportStallInfo.numFreeBd; |
| 896 | wpalMemoryCopy(&log_ptr->dxeChannelInfo[0], |
| 897 | &wpalTrasportStallInfo.dxeChannelInfo[0], |
| 898 | WPT_NUM_TRPT_CHANNEL * sizeof(vos_log_data_stall_channel_type)); |
| 899 | pr_info("Stall log dump"); |
| 900 | WLAN_VOS_DIAG_LOG_REPORT(log_ptr); |
| 901 | } |
| 902 | |
| 903 | return; |
| 904 | } |
| 905 | #endif /* FEATURE_WLAN_DIAG_SUPPORT */ |