original files of m241
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neelimap
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/* dot11SmeEssLib.h - Contains the main definitions for Ess Mode. */
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/* Copyright 2004-2006 Wind River Systems, Inc. */
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/*
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Modification History
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--------------------
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02c,31oct08,mry fix for defect WIND00139450
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02b,11dec06,tfo Fix various roaming issues.
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02a,25aug04,rb Wind River Wireless Ethernet Driver 2.0 FCS
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*/
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#ifndef __INCdot11SmeEssLibh
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#define __INCdot11SmeEssLibh
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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#include "vxWorks.h"
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/**************************************************************************
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* DOT11_ESS_SM - State machine for the ESS SME
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***************************************************************************/
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typedef struct /* DOT11_ESS_SM */
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{
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STATUS (*resetReqProcess)(DOT11_FW * pDot11);
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STATUS (*joinReqProcess)(DOT11_FW * pDot11);
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STATUS (*bssDiscoveredProcess)(DOT11_FW * pDot11);
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STATUS (*authSuccessProcess)(DOT11_FW * pDot11);
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STATUS (*authTimeoutProcess)(DOT11_FW * pDot11);
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STATUS (*authFailProcess)(DOT11_FW * pDot11);
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STATUS (*assocSuccessProcess)(DOT11_FW * pDot11);
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STATUS (*assocFailProcess)(DOT11_FW * pDot11);
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STATUS (*assocTimeoutProcess)(DOT11_FW * pDot11);
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STATUS (*deauthProcess)(DOT11_FW * pDot11);
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STATUS (*disassocProcess)(DOT11_FW * pDot11);
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STATUS (*lqNoSignalProcess)(DOT11_FW * pDot11);
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STATUS (*lqProbationProcess)(DOT11_FW * pDot11);
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STATUS (*lqMakeDoProcess)(DOT11_FW * pDot11);
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STATUS (*sharedKeyProcess)(DOT11_FW * pDot11);
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SEM_ID smLockSem;
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MSG_Q_ID eventQueue;
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int currentState;
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int stateTaskId;
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} DOT11_ESS_SM;
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#define DOT11_ESS_STATE_TASK_NAME "tEssState%d"
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#define DOT11_ESS_STATE_TASK_PRI 66
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#define DOT11_ESS_STATE_TASK_STACK (4 * 1024)
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#define DOT11_ESS_STATE_MAX_MSG 64
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#define DOT11_ESS_STATE_TASK_SHUTDOWN_TIME ((sysClkRateGet() / 50) + 2)
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#define DOT11_ESS_STATE_LOCK_TIME (sysClkRateGet() / 4)
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/*****************************************************************************
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* DOT11_ESS_EVENTS - Events that drive the ESS state machine
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*****************************************************************************/
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/* RESET_REQ - can be called from any state. Will bring the device back to the
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NO_ESS state */
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#define DOT11_ESS_RESET_REQ 1
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/* JOIN_REQ - called from any state. Used to join a new BSS. Will move the
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SM to the SEARCHING state */
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#define DOT11_ESS_JOIN_REQ 2
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/* BSS_DISCOVERED - generated from the SCANNING or LINK_PROB states when a new
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BSS matching the scanning criteria has been found */
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#define DOT11_ESS_BSS_DISCOVERED 3
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/* AUTH_SUCCESS - Generated from the AUTHENTICATING state when the
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authentication was successful */
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#define DOT11_ESS_AUTH_SUCCESS 4
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/* TIMEOUT - Generated from the AUTHENTICATING or ASSOCIATING states when the
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station failed to complete assoc or auth in the specified time */
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#define DOT11_ESS_AUTH_TIMEOUT 5
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/* AUTH_FAIL - Generated by the AUTHENTICATING state when the AP denies the
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station authentication */
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#define DOT11_ESS_AUTH_FAIL 6
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/* ASSOC_SUCCESS - Generated by the ASSOCIATING state when the station
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completes association successfully */
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#define DOT11_ESS_ASSOC_SUCCESS 7
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/* ASSOC_FAIL - Generated by the ASSOCIATING state when the station is denied
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association */
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#define DOT11_ESS_ASSOC_FAIL 8
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/* ASSOC_TIMEOUT - Generated by the ASSOCIATING state when the AP does not
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respond*/
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#define DOT11_ESS_ASSOC_TIMEOUT 9
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/* DEAUTH - Generated in response to a user request to de-authenticate the
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station. If associated, a deassociation occurs before the actual
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deauthentication packet is sent out. */
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#define DOT11_ESS_DEAUTH 10
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/* DISASSOC - Generated in response to a user request to disassociate the
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station. */
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#define DOT11_ESS_DISASSOC 11
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/* LQ_NO_SIGNAL - Generated in the CONNECTED state when the station has not
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received a packet (or beacon) from the AP in a set time period. */
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#define DOT11_ESS_LQ_NO_SIGNAL 12
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/* LQ_PROBATION - Generated in the CONNECTED state when the average signal
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level drops below a set threshold */
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#define DOT11_ESS_LQ_PROBATION 13
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/* LQ_MAKE_DO - Generated in the LINK_PROB state when a stronger AP in the ESS
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cannot be found */
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#define DOT11_ESS_LQ_MAKE_DO 14
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/* SHUTDOWN - a pseudo-event that shuts down the ESS state machine and frees
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all resources used by it */
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#define DOT11_ESS_SHUTDOWN 15
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/* DOT11_ESS_SKA - generated from ATHENTICATING state when shared key
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is being used. It signifies the receipt of stage 2, and triggers the
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transmittion of stage 3. */
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#define DOT11_ESS_SKA 16
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/*****************************************************************************
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* DOT11_ESS_STATES - Possible states for the ESS SM
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*****************************************************************************/
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typedef enum
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{
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SME_ESS_NOESS = 0, /* Base initialized state. Not operational */
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SME_ESS_SCANNING, /* Looking for a specific ESS or any ESS */
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SME_ESS_AUTHENTICATING,/* Chose an ESS - sent auth seq 1 */
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SME_ESS_AUTH_SHARED, /* In the middle of a SKA exchange, sent #3 */
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SME_ESS_ASSOCIATING, /* Authenticated. Send Assoc Req. */
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SME_ESS_CONNECTED, /* Authenticated and associated. Fully connected*/
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SME_ESS_LINK_PROB, /* Looking for better AP. Still connectect to old*/
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SNE_ESS_STATES_MAX
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} SME_ESS_STATE;
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/*****************************************************************************
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* DOT11_ESS_SCAN_MESSAGES - Messages passed to the ESS Scan task
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******************************************************************************/
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#define DOT11_ESS_SCAN_MAX_MSGS 16
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#define DOT11_ESS_SCAN_TASK_PRI (DOT11_ESS_STATE_TASK_PRI + 1)
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#define DOT11_ESS_SCAN_TASK_STACK 4096
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#define DOT11_ESS_SCAN_TASK_NAME "tDot11Scan%d"
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#define DOT11_ESS_SCAN_TASK_EXIT_WAIT (sysClkRateGet() / 2)
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#define DOT11_ESS_SCAN_WAIT (sysClkRateGet() / 4)
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/* This is the amount of time that is required between probation periods.
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If the device tried to enter probation more frequently than this, the
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event will be dropped */
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#define DOT11_ESS_PROBATION_MIN_DELAY (sysClkRateGet() * 30)
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#define DOT11_ESS_PROBATION_RESCAN_WAIT ((sysClkRateGet() / 100) + 1)
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typedef enum
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{
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DOT11_ESS_SCAN_START,
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DOT11_ESS_SCAN_STOP,
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DOT11_ESS_PROB_START,
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DOT11_ESS_PROB_STOP,
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DOT11_ESS_EXIT
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} DOT11_ESS_SCAN_MESSAGE;
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#endif /* __INCdot11SmeEssLibh */
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