smplStatus_t SMPL_LinkListen(linkID_t *linkID)
{
uint8_t radioState = MRFI_GetRadioState();
uint16_t i;
linkID_t locLinkID;
/* Set the context. We want to reject any link frames received if
* we're not listening. For example if we're an AP we are in
* promiscuous mode and we'll see any broadcast link frames.
*/
nwk_setListenContext(LINK_LISTEN_ON);
NWK_CHECK_FOR_SETRX(radioState);
for (i=0; i<LINKLISTEN_POLL_COUNT; ++i)
{
/* check the semaphore. local port is assigned when the reply is sent. */
if ((locLinkID=nwk_getLocalLinkID()))
{
break;
}
NWK_DELAY(LINKLISTEN_POLL_PERIOD_MS);
}
NWK_CHECK_FOR_RESTORE_STATE(radioState);
/* If the listen is terminated without hearing a message and setting a
* link ID the listen context must be explicitly turned off.
*/
if (!(locLinkID))
{
nwk_setListenContext(LINK_LISTEN_OFF);
return SMPL_TIMEOUT;
}
*linkID = locLinkID;
return SMPL_SUCCESS;
}
/******************************************************************************
* @fn nwk_scanForChannels
*
* @brief Scan for channels by sending a ping frame on each channel in the
* channel table and listen for a reply.
*
* input parameters
* @param channels - pointer to area to receive list of channels from which
* ping replies were received.
*
* output parameters
* @param channels - populated list of channels.
*
* @return statuis of operation..
*/
uint8_t nwk_scanForChannels(freqEntry_t *channels)
{
uint8_t msg[FREQ_REQ_PING_FRAME_SIZE], i, num=0, notBcast = 1;
addr_t *apAddr, retAddr;
uint8_t radioState = MRFI_GetRadioState();
freqEntry_t chan;
freqEntry_t curChan;
union
{
ioctlRawSend_t send;
ioctlRawReceive_t recv;
} ioctl_info;
nwk_getChannel(&curChan);
/* send to AP. If we don't know AP address, broadcast. */
apAddr = (addr_t *)nwk_getAPAddress();
if (!apAddr)
{
apAddr = (addr_t *)nwk_getBCastAddress();
notBcast = 0;
}
for (i=0; i<NWK_FREQ_TBL_SIZE; ++i)
{
chan.logicalChan = i;
nwk_setChannel(&chan);
ioctl_info.send.addr = apAddr;
ioctl_info.send.msg = msg;
ioctl_info.send.len = sizeof(msg);
ioctl_info.send.port = SMPL_PORT_FREQ;
msg[FB_APP_INFO_OS] = FREQ_REQ_PING;
msg[FB_TID_OS] = sTid;
SMPL_Ioctl(IOCTL_OBJ_RAW_IO, IOCTL_ACT_WRITE, &ioctl_info.send);
ioctl_info.recv.port = SMPL_PORT_FREQ;
ioctl_info.recv.msg = msg;
ioctl_info.recv.addr = &retAddr;
NWK_CHECK_FOR_SETRX(radioState);
NWK_REPLY_DELAY();
NWK_CHECK_FOR_RESTORE_STATE(radioState);
if (SMPL_SUCCESS == SMPL_Ioctl(IOCTL_OBJ_RAW_IO, IOCTL_ACT_READ, &ioctl_info.recv))
{
/* Once we know the Access Point we're related to we only accept
* ping replies from that one.
*/
if (!notBcast || (notBcast && !memcmp(&retAddr, apAddr, NET_ADDR_SIZE)))
{
channels[num++].logicalChan = i;
}
}
sTid++;
if (num && notBcast)
{
/* we're done...only one possible channel if we know the AP address. */
break;
}
/* TODO: process encryption stuff */
}
/* reset original channel */
nwk_setChannel(&curChan);
return num;
}
/**************************************************************************************
* @fn SMPL_Receive
*
* @brief Receive a message from a peer application.
*
* input parameters
* @param lid - Link ID (port) from application
*
*
* output parameters
* @param msg - pointer to where received message should be copied.
* buffer should be of size == MAX_APP_PAYLOAD
* @param len - pointer to receive length of received message
*
* @return Status of operation.
* Caller should not use the value returned in 'len' to decide
* whether there is a frame or not. It could be useful to the
* Caller to distinguish between no frame and a frame with no data.
* For example, in the polling case a frame with no application payload
* is the way the AP conveys that there are no frames waiting.
*
* SMPL_SUCCESS
*
* SMPL_BAD_PARAM No valid Connection Table entry for Link ID
* Data in Connection Table entry bad
* SMPL_NO_FRAME No frame received.
* SMPL_NO_PAYLOAD Frame received with no payload (not necessarily
* an error and could be deduced by application
* because the returned length will be 0)
*
* Polling device only:
*
* SMPL_TIMEOUT No response from Access Point
* SMPL_NO_AP_ADDRESS Access Point address unknown
* SMPL_TX_CCA_FAIL Could not send poll frame
* SMPL_NOMEM No memory in output frame queue
* SMPL_NO_CHANNEL Frequency Agility enabled and could not find channel
*/
smplStatus_t SMPL_Receive(linkID_t lid, uint8_t *msg, uint8_t *len)
{
connInfo_t *pCInfo = nwk_getConnInfo(lid);
smplStatus_t rc = SMPL_BAD_PARAM;
rcvContext_t rcv;
if (!pCInfo || ((rc=nwk_checkConnInfo(pCInfo, CHK_RX)) != SMPL_SUCCESS))
{
return rc;
}
rcv.type = RCV_APP_LID;
rcv.t.lid = lid;
#if defined(RX_POLLS)
{
uint8_t numChans = 1;
#if defined(FREQUENCY_AGILITY)
freqEntry_t chans[NWK_FREQ_TBL_SIZE];
uint8_t scannedB4 = 0;
#endif
do
{
uint8_t radioState = MRFI_GetRadioState();
/* I'm polling. Do the poll to stimulate the sending of a frame. If the
* frame has application length of 0 it means there were no frames. If
* no reply is received infer that the channel is changed. We then need
* to scan and then retry the poll on each channel returned.
*/
if (SMPL_SUCCESS != (rc=nwk_poll(pCInfo->portRx, pCInfo->peerAddr)))
{
/* for some reason couldn't send the poll out. */
return rc;
}
/* do this before code block below which may reset it. */
numChans--;
/* Wait until there's a frame. if the len is 0 then return SMPL_NO_FRAME
* to the caller. In the poll case the AP always sends something.
*/
NWK_CHECK_FOR_SETRX(radioState);
NWK_REPLY_DELAY();
NWK_CHECK_FOR_RESTORE_STATE(radioState);
/* TODO: deal with pending */
rc = nwk_retrieveFrame(&rcv, msg, len, 0, 0);
#if defined(FREQUENCY_AGILITY)
if (SMPL_SUCCESS == rc)
{
/* we received something... */
return (*len) ? SMPL_SUCCESS : SMPL_NO_PAYLOAD;
}
/* No reply. scan for other channel(s) if we haven't already. Then set
* one and try again.
*/
if (!scannedB4)
{
numChans = nwk_scanForChannels(chans);
scannedB4 = 1;
}
if (numChans)
{
nwk_setChannel(&chans[numChans-1]);
}
#else /* FREQUENCY_AGILITY */
return (*len) ? rc : ((SMPL_SUCCESS == rc) ? SMPL_NO_PAYLOAD : SMPL_TIMEOUT);
#endif
} while (numChans);
}
#if defined(FREQUENCY_AGILITY)
return SMPL_NO_CHANNEL;
#endif
#else /* RX_POLLS */
return nwk_retrieveFrame(&rcv, msg, len, 0, 0);
#endif /* RX_POLLS */
}
/******************************************************************************
* @fn SMPL_SendOpt
*
* @brief Send a message to a peer application.
*
* input parameters
* @param lid - Link ID (port) from application
* @param msg - pointer to message from app to be sent
* @param len - length of enclosed message
* @param options - Transmit options (bit map)
*
* output parameters
*
* @return Status of operation. On a filaure the frame buffer is discarded
* and the Send call must be redone by the app.
* SMPL_SUCCESS
* SMPL_BAD_PARAM No valid Connection Table entry for Link ID
* Data in Connection Table entry bad
* No message or message too long
* SMPL_NOMEM No room in output frame queue
* SMPL_TX_CCA_FAIL CCA failure.
* SMPL_NO_ACK If application auto acknowledgement enabled
* and no acknowledgement is received
*/
smplStatus_t SMPL_SendOpt(linkID_t lid, uint8_t *msg, uint8_t len, txOpt_t options)
{
frameInfo_t *pFrameInfo;
connInfo_t *pCInfo = nwk_getConnInfo(lid);
smplStatus_t rc = SMPL_BAD_PARAM;
uint8_t radioState;
uint8_t ackreq = 0;
#if defined(ACCESS_POINT)
uint8_t loc;
#endif
radioState = MRFI_GetRadioState();
/* we have the connection info for this Link ID. make sure it is valid. */
if (!pCInfo || ((rc=nwk_checkConnInfo(pCInfo, CHK_TX)) != SMPL_SUCCESS))
{
return rc;
}
/* parameter sanity check... */
if (!msg || (len > MAX_APP_PAYLOAD))
{
return rc;
}
/* Build an outgoing message frame destined for the port from the
* connection info using the destination address also from the
* connection info.
*/
if (SMPL_TXOPTION_NONE == options)
{
pFrameInfo = nwk_buildFrame(pCInfo->portTx, msg, len, pCInfo->hops2target);
}
#if defined(APP_AUTO_ACK)
else if (options & SMPL_TXOPTION_ACKREQ)
{
if (SMPL_LINKID_USER_UUD != lid)
{
pFrameInfo = nwk_buildAckReqFrame(pCInfo->portTx, msg, len, pCInfo->hops2target, &pCInfo->ackTID);
ackreq = 1;
}
else
{
/* can't request an ack on the UUD link ID */
return SMPL_BAD_PARAM;
}
}
#endif /* APP_AUTO_ACK */
else
{
return SMPL_BAD_PARAM;
}
if (!pFrameInfo)
{
return SMPL_NOMEM;
}
memcpy(MRFI_P_DST_ADDR(&pFrameInfo->mrfiPkt), pCInfo->peerAddr, NET_ADDR_SIZE);
#if defined(SMPL_SECURE)
{
uint32_t *pUL = 0;
if (pCInfo->thisLinkID != SMPL_LINKID_USER_UUD)
{
pUL = &pCInfo->connTxCTR;
}
nwk_setSecureFrame(&pFrameInfo->mrfiPkt, len, pUL);
}
#endif /* SMPL_SECURE */
#if defined(ACCESS_POINT)
/* If we are an AP trying to send to a polling device, don't do it.
* See if the target is a store-and-forward client.
*/
if (nwk_isSandFClient(MRFI_P_DST_ADDR(&pFrameInfo->mrfiPkt), &loc))
{
pFrameInfo->fi_usage = FI_INUSE_UNTIL_FWD;
return SMPL_SUCCESS;
}
else
#endif /* ACCESS_POINT */
{
rc = nwk_sendFrame(pFrameInfo, MRFI_TX_TYPE_CCA);
}
#if !defined(APP_AUTO_ACK)
/* save a little code space with this #if */
(void) ackreq; /* keep compiler happy */
return rc;
#else
/* we're done if the send failed or no ack requested. */
if (SMPL_SUCCESS != rc || !ackreq)
{
return rc;
}
NWK_CHECK_FOR_SETRX(radioState);
NWK_REPLY_DELAY();
NWK_CHECK_FOR_RESTORE_STATE(radioState);
{
bspIState_t intState;
/* If the saved TID hasn't been reset then we never got the ack. */
BSP_ENTER_CRITICAL_SECTION(intState);
if (pCInfo->ackTID)
{
pCInfo->ackTID = 0;
rc = SMPL_NO_ACK;
}
BSP_EXIT_CRITICAL_SECTION(intState);
}
return rc;
#endif /* APP_AUTO_ACK */
}
smplStatus_t nwk_ping(linkID_t lid)
{
connInfo_t *pCInfo = nwk_getConnInfo(lid);
smplStatus_t rc = SMPL_BAD_PARAM;
uint8_t done = 0;
uint8_t repeatIt = 2;
uint8_t msg[MAX_PING_APP_FRAME];
uint8_t radioState = MRFI_GetRadioState();
union
{
ioctlRawSend_t send;
ioctlRawReceive_t recv;
} ioctl_info;
if (!pCInfo || (SMPL_LINKID_USER_UUD == lid))
{
/* either link ID bogus or tried to ping the unconnected user datagram link ID. */
return rc;
}
do
{
#if defined(FREQUENCY_AGILITY) && !defined(ACCESS_POINT)
uint8_t i, numChan;
freqEntry_t channels[NWK_FREQ_TBL_SIZE];
if (repeatIt == 2)
{
/* If FA enabled, first time through set up so that the 'for'
* loop checks the current channel. This saves time (no scan)
* and is very likely to succeed. Populate the proper strucure.
*/
SMPL_Ioctl(IOCTL_OBJ_FREQ, IOCTL_ACT_GET, channels);
numChan = 1;
}
else
{
/* If we get here we must scan for the channel we're now on */
if (!(numChan = nwk_scanForChannels(channels)))
{
return SMPL_NO_CHANNEL;
}
}
/* Either we scan next time through or we're done */
repeatIt--;
/* this loop Pings on each channel (probably only 1) looking
* for peer.
*/
for (i = 0; i < numChan && !done; ++i)
{
nwk_setChannel(&channels[i]);
#else
{
repeatIt = 0;
#endif /* defined(FREQUENCY_AGILITY) && !defined(ACCESS_POINT) */
ioctl_info.send.addr = (addr_t *)pCInfo->peerAddr;
ioctl_info.send.msg = msg;
ioctl_info.send.len = sizeof(msg);
ioctl_info.send.port = SMPL_PORT_PING;
/* fill in msg */
msg[PB_REQ_OS] = PING_REQ_PING;
msg[PB_TID_OS] = sTid;
SMPL_Ioctl(IOCTL_OBJ_RAW_IO, IOCTL_ACT_WRITE, &ioctl_info.send);
ioctl_info.recv.port = SMPL_PORT_PING;
ioctl_info.recv.msg = msg;
ioctl_info.recv.addr = 0;
NWK_CHECK_FOR_SETRX(radioState);
NWK_REPLY_DELAY();
NWK_CHECK_FOR_RESTORE_STATE(radioState);
if (SMPL_SUCCESS == SMPL_Ioctl(IOCTL_OBJ_RAW_IO, IOCTL_ACT_READ, &ioctl_info.recv))
{
repeatIt = 0;
done = 1;
sTid++; /* guard against duplicates */
}
}
} while (repeatIt);
return done ? SMPL_SUCCESS : SMPL_TIMEOUT;
}
/******************************************************************************
* @fn smpl_send_ping_reply
*
* @brief Send a reply to a ping request.
*
* input parameters
* @param frame - pointer to frame containing request
*
* output parameters
*
* @return void
*/
static void smpl_send_ping_reply(mrfiPacket_t *frame)
{
frameInfo_t *pOutFrame;
/* Build the reply frame. The application payload is the one included in the
* received frame payload.
*/
if (pOutFrame =
nwk_buildFrame(SMPL_PORT_PING, MRFI_P_PAYLOAD(frame) + F_APP_PAYLOAD_OS,
MRFI_GET_PAYLOAD_LEN(frame) - F_APP_PAYLOAD_OS, MAX_HOPS))
{
/* destination address is the source adddress of the received frame. */
memcpy(MRFI_P_DST_ADDR(&pOutFrame->mrfiPkt), MRFI_P_SRC_ADDR(frame), NET_ADDR_SIZE);
/* turn on the reply bit in the application payload */
*(MRFI_P_PAYLOAD(&pOutFrame->mrfiPkt) + F_APP_PAYLOAD_OS + PB_REQ_OS) |= NWK_APP_REPLY_BIT;
#ifdef SMPL_SECURE
nwk_setSecureFrame(&pOutFrame->mrfiPkt, MRFI_GET_PAYLOAD_LEN(frame) - F_APP_PAYLOAD_OS, 0);
#endif /* SMPL_SECURE */
nwk_sendFrame(pOutFrame, MRFI_TX_TYPE_FORCED);
}
}
smplStatus_t nwk_link(linkID_t *lid)
{
uint8_t msg[LINK_FRAME_SIZE];
connInfo_t *pCInfo = nwk_getNextConnection();
smplStatus_t rc;
if (pCInfo)
{
addr_t addr;
union
{
ioctlRawSend_t send;
ioctlRawReceive_t recv;
} ioctl_info;
if (!nwk_allocateLocalRxPort(LINK_SEND, pCInfo))
{
nwk_freeConnection(pCInfo);
return SMPL_NOMEM;
}
memcpy(addr.addr, nwk_getBCastAddress(), NET_ADDR_SIZE);
ioctl_info.send.addr = &addr;
ioctl_info.send.msg = msg;
ioctl_info.send.len = sizeof(msg);
ioctl_info.send.port = SMPL_PORT_LINK;
/* Put link token in */
nwk_putNumObjectIntoMsg((void *)&sLinkToken, msg + L_LINK_TOKEN_OS, sizeof(sLinkToken));
/* set port to which the remote device should send */
msg[L_RMT_PORT_OS] = pCInfo->portRx;
/* set the transaction ID. this allows target to figure out duplicates */
msg[LB_TID_OS] = sTid;
/* set my Rx type */
msg[L_MY_RXTYPE_OS] = nwk_getMyRxType();
/* set request byte */
msg[LB_REQ_OS] = LINK_REQ_LINK;
/* protocol version number */
msg[L_PROTOCOL_VERSION_OS] = nwk_getProtocolVersion();
#if defined(SMPL_SECURE)
pCInfo->connTxCTR = MRFI_RandomByte() | \
((uint32_t)(MRFI_RandomByte()) << 8) | \
((uint32_t)(MRFI_RandomByte()) << 16) | \
((uint32_t)(MRFI_RandomByte()) << 24);
nwk_putNumObjectIntoMsg((void *)&pCInfo->connTxCTR, (void *)&msg[L_CTR_OS], 4);
#endif
if (SMPL_SUCCESS != (rc = SMPL_Ioctl(IOCTL_OBJ_RAW_IO, IOCTL_ACT_WRITE, &ioctl_info.send)))
{
return rc;
}
{
uint8_t radioState = MRFI_GetRadioState();
ioctl_info.recv.port = SMPL_PORT_LINK;
ioctl_info.recv.msg = msg;
ioctl_info.recv.addr = (addr_t *)pCInfo->peerAddr;
NWK_CHECK_FOR_SETRX(radioState);
NWK_REPLY_DELAY();
NWK_CHECK_FOR_RESTORE_STATE(radioState);
if (SMPL_SUCCESS == SMPL_Ioctl(IOCTL_OBJ_RAW_IO, IOCTL_ACT_READ, &ioctl_info.recv))
{
uint8_t firstByte = msg[LB_REQ_OS] & (~NWK_APP_REPLY_BIT);
/* Sanity check for correct reply frame. Older version
* has the length instead of the request as the first byte.
*/
if ((firstByte != LINK_REQ_LINK) &&
(firstByte != LINK_REPLY_LEGACY_MSG_LENGTH)
)
{
/* invalidate connection object */
nwk_freeConnection(pCInfo);
return SMPL_NO_LINK;
}
}
else
{
/* no successful receive */
nwk_freeConnection(pCInfo);
return SMPL_TIMEOUT;
}
pCInfo->connState = CONNSTATE_CONNECTED;
pCInfo->portTx = msg[LR_RMT_PORT_OS]; /* link reply returns remote port */
*lid = pCInfo->thisLinkID; /* return our local port number */
/* Set hop count. If it's a polling device set the count to the
* distance to the AP. Otherwise, set it to the max less the remaining
* which will be the path taken for this frame. It will be no worse
* then tha max and probably will be better.
*/
if (F_RX_TYPE_POLLS == msg[LR_MY_RXTYPE_OS])
{
pCInfo->hops2target = MAX_HOPS_FROM_AP;
}
else
{
/* Can't really use this trick because the device could move. If the
* devices are all static this may work unless the initial reception
* was marginal.
*/
#if defined(DEVICE_DOES_NOT_MOVE)
pCInfo->hops2target = MAX_HOPS - ioctl_info.recv.hopCount;
#else
pCInfo->hops2target = MAX_HOPS;
#endif
}
#if defined(SMPL_SECURE)
nwk_getNumObjectFromMsg((void *)&msg[LR_CTR_OS], (void *)&pCInfo->connRxCTR, 4);
#endif
}
/* guard against duplicates... */
++sTid;
if (!sTid)
{
sTid = 1;
}
return SMPL_SUCCESS;
}
return SMPL_NOMEM;
}
smplStatus_t nwk_unlink(linkID_t lid)
{
uint8_t msg[UNLINK_FRAME_SIZE];
connInfo_t *pCInfo = nwk_getConnInfo(lid);
smplStatus_t rc = SMPL_SUCCESS;
addr_t addr;
union
{
ioctlRawSend_t send;
ioctlRawReceive_t recv;
} ioctl_info;
/* is there connection info? */
if (!pCInfo || (lid == SMPL_LINKID_USER_UUD))
{
return SMPL_BAD_PARAM;
}
/* set request byte */
msg[LB_REQ_OS] = LINK_REQ_UNLINK;
/* set the transaction ID. this allows target to figure out duplicates */
msg[LB_TID_OS] = sTid;
/* remote port to be sent in message to help match connection */
msg[UL_RMT_PORT_OS] = pCInfo->portRx;
/* setup for ioctl raw I/O */
memcpy(addr.addr, pCInfo->peerAddr, NET_ADDR_SIZE);
ioctl_info.send.addr = &addr;
ioctl_info.send.msg = msg;
ioctl_info.send.len = sizeof(msg);
ioctl_info.send.port = SMPL_PORT_LINK;
SMPL_Ioctl(IOCTL_OBJ_RAW_IO, IOCTL_ACT_WRITE, &ioctl_info.send);
{
uint8_t spin = NWK_RX_RETRY_COUNT;
uint8_t radioState = MRFI_GetRadioState();
ioctl_info.recv.port = SMPL_PORT_LINK;
ioctl_info.recv.msg = msg;
ioctl_info.recv.addr = (addr_t *)0;
do
{
NWK_CHECK_FOR_SETRX(radioState);
NWK_REPLY_DELAY();
NWK_CHECK_FOR_RESTORE_STATE(radioState);
if (SMPL_SUCCESS == SMPL_Ioctl(IOCTL_OBJ_RAW_IO, IOCTL_ACT_READ, &ioctl_info.recv))
{
if ((msg[LB_REQ_OS] & (~NWK_APP_REPLY_BIT)) == LINK_REQ_UNLINK)
{
rc = (smplStatus_t)msg[ULR_RESULT_OS];
break;
}
}
if (!spin)
{
rc = SMPL_TIMEOUT;
break;
}
--spin;
} while (1);
/* it's ok to unconditionally invalidate connection object */
nwk_freeConnection(pCInfo);
}
return rc;
}
/******************************************************************************
* @fn nwk_join
*
* @brief Join functioanlity for non-AP devices. Send the Join token
* and wait for the reply.
*
* input parameters
*
* output parameters
*
* @return Status of operation.
*/
smplStatus_t nwk_join(void)
{
uint8_t msg[JOIN_FRAME_SIZE];
uint32_t linkToken;
addr_t apAddr;
uint8_t radioState = MRFI_GetRadioState();
smplStatus_t rc = SMPL_NO_JOIN;
union
{
ioctlRawSend_t send;
ioctlRawReceive_t recv;
} ioctl_info;
#if defined( FREQUENCY_AGILITY )
uint8_t i, numChan;
freqEntry_t channels[NWK_FREQ_TBL_SIZE];
if (!(numChan=nwk_scanForChannels(channels)))
{
return SMPL_NO_CHANNEL;
}
for (i=0; i<numChan; ++i)
{
nwk_setChannel(&channels[i]);
#else
{
#endif
ioctl_info.send.addr = (addr_t *)nwk_getBCastAddress();
ioctl_info.send.msg = msg;
ioctl_info.send.len = sizeof(msg);
ioctl_info.send.port = SMPL_PORT_JOIN;
/* Put join token in */
nwk_putNumObjectIntoMsg((void *)&sJoinToken, msg+J_JOIN_TOKEN_OS, sizeof(sJoinToken));
/* set app info byte */
msg[JB_REQ_OS] = JOIN_REQ_JOIN;
msg[JB_TID_OS] = sTid;
/* Set number of connections supported. Used only by AP if it is
* a data hub.
*/
msg[J_NUMCONN_OS] = NUM_CONNECTIONS;
/* protocol version number */
msg[J_PROTOCOL_VERSION_OS] = nwk_getProtocolVersion();
SMPL_Ioctl(IOCTL_OBJ_RAW_IO, IOCTL_ACT_WRITE, &ioctl_info.send);
ioctl_info.recv.port = SMPL_PORT_JOIN;
ioctl_info.recv.msg = msg;
ioctl_info.recv.addr = &apAddr; /* save AP address from reply */
NWK_CHECK_FOR_SETRX(radioState);
NWK_REPLY_DELAY();
NWK_CHECK_FOR_RESTORE_STATE(radioState);
if (SMPL_SUCCESS == SMPL_Ioctl(IOCTL_OBJ_RAW_IO, IOCTL_ACT_READ, &ioctl_info.recv))
{
uint8_t firstByte = msg[JB_REQ_OS] & (~NWK_APP_REPLY_BIT);
/* Sanity check for correct reply frame. Older version
* has the length instead of the request as the first byte.
*/
if ((firstByte == JOIN_REQ_JOIN) ||
(firstByte == JOIN_REPLY_LEGACY_MSG_LENGTH)
)
{
/* join reply returns link token */
memcpy(&linkToken, msg+JR_LINK_TOKEN_OS, sizeof(linkToken));
nwk_setLinkToken(linkToken);
/* save AP address */
nwk_setAPAddress(&apAddr);
sTid++; /* guard against duplicates */
rc = SMPL_SUCCESS;
#if defined( FREQUENCY_AGILITY )
break;
#endif
}
}
/* TODO: process encryption stuff */
}
return rc;
}
#endif /* ACCESS_POINT */
/******************************************************************************
* @fn nwk_processJoin
*
* @brief Processes a Join frame. If this is a reply let it go to the
* application. Otherwise generate and send the reply.
*
* input parameters
* @param frame - Pointer to Join frame
*
* output parameters
*
* @return Keep frame for application, release frame, or replay frame.
*/
fhStatus_t nwk_processJoin(mrfiPacket_t *frame)
{
fhStatus_t rc = FHS_RELEASE;
uint8_t replyType;
/* Make sure this is a reply and see if we sent this. Validate the
* packet for reception by client app.
*/
if (SMPL_MY_REPLY == (replyType=nwk_isValidReply(frame, sTid, JB_REQ_OS, JB_TID_OS)))
{
/* It's a match and it's a reply. Validate the received packet by
* returning a 1 so it can be received by the client app.
*/
MRFI_PostKillSem();
rc = FHS_KEEP;
}
#if defined(ACCESS_POINT)
else if (SMPL_A_REPLY == replyType)
{
/* No match. If I'm not an ED this is a reply that should be passed on. */
rc = FHS_REPLAY;
}
else
{
/* Send reply if we're an Access Point otherwise ignore the frame. */
if ((SMPL_NOT_REPLY == replyType) && sJoinOK)
{
handleJoinRequest(frame);
}
}
#elif defined(RANGE_EXTENDER)
else
{