////////////////////////////////////////////////////////////////////////////
//
// Copyright (c) Newport Media Inc.  All rights reserved.
//
// Module Name:  nmi_wlan_cfg.c
//
//
//////////////////////////////////////////////////////////////////////////////

#include "nmi_wlan_if.h"
#include "nmi_wlan.h"
#include "nmi_wlan_cfg.h"
#include "CoreConfigurator.h"

#ifdef NMI_FULLY_HOSTING_AP
#include "include/NMI_host_AP.h"
#endif

/********************************************

	Global Data

********************************************/

typedef struct {
	nmi_debug_func dPrint;

	int mac_status;
	uint8_t mac_address[7];
	uint8_t bssid[7];
	uint8_t ssid[34];
	uint8_t firmware_version[129];
	uint8_t supp_rate[24];
	uint8_t wep_key[28];
	uint8_t i_psk[66];
	uint8_t hardwareProductVersion[33];
	uint8_t phyversion[17];
	uint8_t supp_username[21];
	uint8_t supp_password[64];
	uint8_t assoc_req[256];
	uint8_t assoc_rsp[256];
	uint8_t firmware_info[8];
	uint8_t scan_result[256];
	uint8_t scan_result1[256];
} nmi_mac_cfg_t;

static nmi_mac_cfg_t g_mac;

static nmi_cfg_byte_t g_cfg_byte[] = {
	{WID_BSS_TYPE, 0},
	{WID_CURRENT_TX_RATE, 0},
	{WID_CURRENT_CHANNEL, 0},
	{WID_PREAMBLE, 0},
	{WID_11G_OPERATING_MODE, 0},
	{WID_STATUS, 0},
	{WID_SCAN_TYPE, 0},
	{WID_KEY_ID, 0},            
	{WID_QOS_ENABLE, 0},
	{WID_POWER_MANAGEMENT, 0},
	{WID_11I_MODE, 0},
	{WID_AUTH_TYPE, 0},
	{WID_SITE_SURVEY, 0},
	{WID_LISTEN_INTERVAL, 0},
	{WID_DTIM_PERIOD, 0},
	{WID_ACK_POLICY, 0},
	{WID_BCAST_SSID, 0},
	{WID_REKEY_POLICY, 0},
	{WID_SHORT_SLOT_ALLOWED, 0},
	{WID_START_SCAN_REQ, 0},
	{WID_RSSI, 0},
	{WID_LINKSPEED, 0},	
	{WID_AUTO_RX_SENSITIVITY, 0},
	{WID_DATAFLOW_CONTROL, 0},
	{WID_SCAN_FILTER, 0},
	{WID_11N_PROT_MECH, 0},
	{WID_11N_ERP_PROT_TYPE, 0},
	{WID_11N_ENABLE, 0},
	{WID_11N_OPERATING_MODE, 0},
	{WID_11N_OBSS_NONHT_DETECTION, 0},
	{WID_11N_HT_PROT_TYPE, 0},
	{WID_11N_RIFS_PROT_ENABLE, 0},
	{WID_11N_SMPS_MODE, 0},
	{WID_11N_CURRENT_TX_MCS, 0},
	{WID_11N_SHORT_GI_ENABLE, 0},
	{WID_RIFS_MODE, 0},
	{WID_TX_ABORT_CONFIG, 0},
	{WID_11N_IMMEDIATE_BA_ENABLED, 0},
	{WID_11N_TXOP_PROT_DISABLE, 0},
	{WID_NIL, 0}
};

static nmi_cfg_hword_t g_cfg_hword[] = {
	{WID_LINK_LOSS_THRESHOLD, 0},
	{WID_RTS_THRESHOLD, 0},
	{WID_FRAG_THRESHOLD, 0},
	{WID_SHORT_RETRY_LIMIT, 0},
	{WID_LONG_RETRY_LIMIT, 0},
	{WID_BEACON_INTERVAL, 0},
	{WID_RX_SENSE, 0},
	{WID_ACTIVE_SCAN_TIME, 0},
	{WID_PASSIVE_SCAN_TIME, 0},
	{WID_SITE_SURVEY_SCAN_TIME, 0},
	{WID_JOIN_START_TIMEOUT, 0},
	{WID_AUTH_TIMEOUT, 0},
	{WID_ASOC_TIMEOUT, 0},
	{WID_11I_PROTOCOL_TIMEOUT, 0},
	{WID_EAPOL_RESPONSE_TIMEOUT, 0},
	{WID_11N_SIG_QUAL_VAL, 0},
	{WID_CCA_THRESHOLD, 0},
	{WID_NIL, 0}
}; 

static nmi_cfg_word_t g_cfg_word[] = {
	{WID_FAILED_COUNT, 0},
	{WID_RETRY_COUNT, 0},
	{WID_MULTIPLE_RETRY_COUNT, 0},
	{WID_FRAME_DUPLICATE_COUNT, 0},
	{WID_ACK_FAILURE_COUNT, 0},
	{WID_RECEIVED_FRAGMENT_COUNT, 0},
	{WID_MCAST_RECEIVED_FRAME_COUNT, 0},
	{WID_FCS_ERROR_COUNT, 0},
	{WID_SUCCESS_FRAME_COUNT, 0},     
	{WID_TX_FRAGMENT_COUNT, 0},
	{WID_TX_MULTICAST_FRAME_COUNT, 0},
	{WID_RTS_SUCCESS_COUNT, 0},
	{WID_RTS_FAILURE_COUNT, 0},
	{WID_WEP_UNDECRYPTABLE_COUNT, 0},
	{WID_REKEY_PERIOD, 0},
	{WID_REKEY_PACKET_COUNT, 0},
	{WID_HW_RX_COUNT, 0},
	{WID_GET_INACTIVE_TIME,0},
	{WID_NIL, 0}
	
};

static nmi_cfg_str_t g_cfg_str[] = {
	{WID_SSID, g_mac.ssid},															/* 33 + 1 bytes */		       
	{WID_FIRMWARE_VERSION, g_mac.firmware_version},		       
	{WID_OPERATIONAL_RATE_SET, g_mac.supp_rate},
	{WID_BSSID, g_mac.bssid},														/* 6 bytes */
	{WID_WEP_KEY_VALUE, g_mac.wep_key},									/* 27 bytes */
	{WID_11I_PSK, g_mac.i_psk},													/* 65 bytes */															
	//{WID_11E_P_ACTION_REQ, g_mac.action_req},							
	{WID_HARDWARE_VERSION, g_mac.hardwareProductVersion},	
	{WID_MAC_ADDR, g_mac.mac_address},
	{WID_PHY_VERSION, g_mac.phyversion},
	{WID_SUPP_USERNAME, g_mac.supp_username},
	{WID_SUPP_PASSWORD, g_mac.supp_password},
	{WID_SITE_SURVEY_RESULTS, g_mac.scan_result},
	{WID_SITE_SURVEY_RESULTS, g_mac.scan_result1},
	//{WID_RX_POWER_LEVEL, g_mac.channel_rssi},
	{WID_ASSOC_REQ_INFO, g_mac.assoc_req},
	{WID_ASSOC_RES_INFO, g_mac.assoc_rsp},
	//{WID_11N_P_ACTION_REQ, g_mac.action_req},
	{WID_FIRMWARE_INFO, g_mac.firmware_version},
	{WID_NIL, NULL}
};

/********************************************

	Configuration Functions

********************************************/

static int nmi_wlan_cfg_set_byte(uint8_t *frame, uint32_t offset, uint16_t id, uint8_t val8)
{
	uint8_t *buf;

	if ((offset+4) >= MAX_CFG_FRAME_SIZE)
		return 0;

	buf = &frame[offset];

	buf[0] = (uint8_t)id;
	buf[1] = (uint8_t)(id>>8);
	buf[2] = 1;
	buf[3] = val8;
	return 4;
}

static int nmi_wlan_cfg_set_hword(uint8_t *frame, uint32_t offset, uint16_t id, uint16_t val16)
{
	uint8_t *buf;

	if ((offset+5) >= MAX_CFG_FRAME_SIZE)
		return 0;

	buf = &frame[offset];

	buf[0] = (uint8_t)id;
	buf[1] = (uint8_t)(id>>8);
	buf[2] = 2;
	buf[3] = (uint8_t)val16;
	buf[4] = (uint8_t)(val16>>8);

	return 5;
}

static int nmi_wlan_cfg_set_word(uint8_t *frame, uint32_t offset, uint16_t id, uint32_t val32)
{
	uint8_t *buf;

	if ((offset+7) >= MAX_CFG_FRAME_SIZE)
		return 0;

	buf = &frame[offset];

	buf[0] = (uint8_t)id;
	buf[1] = (uint8_t)(id>>8);
	buf[2] = 4;
	buf[3] = (uint8_t)val32;
	buf[4] = (uint8_t)(val32>>8);
	buf[5] = (uint8_t)(val32>>16);
	buf[6] = (uint8_t)(val32>>24);

	return 7;
}

static int nmi_wlan_cfg_set_str(uint8_t *frame, uint32_t offset, uint16_t id, uint8_t *str, uint32_t size)
{
	uint8_t *buf;

	if ((offset+size+3) >= MAX_CFG_FRAME_SIZE)
		return 0;

	buf = &frame[offset];
	
	buf[0] = (uint8_t)id;
	buf[1] = (uint8_t)(id>>8);
	buf[2] = (uint8_t)size;
	
	if((str != NULL) && (size != 0))
	{
		memcpy(&buf[3], str, size);
	}

	return (size+3);
}

static int nmi_wlan_cfg_set_bin(uint8_t *frame, uint32_t offset, uint16_t id, uint8_t *b, uint32_t size)
{
	uint8_t *buf;
	uint32_t i;
	uint8_t checksum = 0;

	if ((offset+size+5) >= MAX_CFG_FRAME_SIZE)
		return 0;
	
	buf = &frame[offset];
	buf[0] = (uint8_t)id;
	buf[1] = (uint8_t)(id>>8);
	buf[2] = (uint8_t)size;
	buf[3] = (uint8_t)(size>>8);
	
	if((b != NULL) && (size != 0))
	{
		memcpy(&buf[4], b, size);
		for (i = 0; i < size; i++) {
			checksum += buf[i+4];
		}
	}

	buf[size+4] = checksum;
 
	return (size+5);
}

/********************************************

	Configuration Response Functions

********************************************/

static void nmi_wlan_parse_response_frame(uint8_t *info, int size)
{
	uint32_t wid, len, i;
	static int seq = 0;

	while (size>0) {
		i = 0;
		wid = info[0] | (info[1] << 8);
#ifdef BIG_ENDIAN
		wid = BYTE_SWAP(wid);
#endif
		PRINT_INFO(GENERIC_DBG,"Processing response for %d seq %d\n",wid,seq++);
		switch ((wid >> 12) & 0x7) {
		case WID_CHAR:
			do {
				if (g_cfg_byte[i].id == WID_NIL)
					break;

				if (g_cfg_byte[i].id == wid) {
					g_cfg_byte[i].val = info[3];
					break;
				} 
				i++;
			} while (1);
			len = 2;
			break;
		case WID_SHORT:
			do {
				if (g_cfg_hword[i].id == WID_NIL)
					break;

				if (g_cfg_hword[i].id == wid) {
#ifdef BIG_ENDIAN
					g_cfg_hword[i].val = (info[3]<<8)|(info[4]);
#else
					g_cfg_hword[i].val = info[3]|(info[4]<<8);
#endif
					break;
				} 
				i++;
			} while (1);
			len = 3;
			break;
		case WID_INT:
			do {
				if (g_cfg_word[i].id == WID_NIL)
					break;

				if (g_cfg_word[i].id == wid) {
#ifdef BIG_ENDIAN
					g_cfg_word[i].val = (info[3]<<24)|(info[4]<<16)|(info[5]<<8)|(info[6]);
#else
					g_cfg_word[i].val = info[3]|(info[4]<<8)|(info[5]<<16)|(info[6]<<24);
#endif
					break;
				} 
				i++;
			} while (1);
			len = 5;
			break;
		case WID_STR:
			do {
				if (g_cfg_str[i].id == WID_NIL)
					break;

				if (g_cfg_str[i].id == wid) {
					if(wid == WID_SITE_SURVEY_RESULTS)
					{
						static int toggle = 0;
						PRINT_INFO(GENERIC_DBG,"Site survey results received[%d]\n",
								size);

						PRINT_INFO(GENERIC_DBG,"Site survey results value[%d]toggle[%d]\n",size,toggle);
						i += toggle;
						toggle ^= 1;
					}
					memcpy(g_cfg_str[i].str, &info[2], (info[2]+1));
					break;
				} 
				i++;
			} while (1);
			len = 1+info[2];
			break;
		default:
			break;
		}
		size -= (2 + len);
		info += (2 + len);
	}

	return;
}

static int nmi_wlan_parse_info_frame(uint8_t *info, int size)
{
	nmi_mac_cfg_t *pd = (nmi_mac_cfg_t *)&g_mac;
	uint32_t wid, len;
	int type = NMI_CFG_RSP_STATUS;

	wid = info[0] | (info[1] << 8);
#if 0
#ifdef BIG_ENDIAN
	wid = BYTE_SWAP(wid);
#endif
#endif

	len = info[2];
	PRINT_INFO(GENERIC_DBG,"Status Len = %d Id= %d\n",len,wid);
	if ((len == 1) && (wid == WID_STATUS)) {
		pd->mac_status = info[3];
		type = NMI_CFG_RSP_STATUS;
	}

	return type;
}

#if 0
static int nmi_wlan_parse_network_frame(uint8_t *info, int size)
{
	nmi_mac_cfg_t *priv = (nmi_mac_cfg_t *)&g_mac;
	uint32_t wid, len;

	wid = info[0] | (info[1] << 8);
	len = info[2] | (info[3] << 8);

	/**
		Review: this message is only for AP mode. 
		TBD
	**/
	if (wid == WID_NETWORK_INFO) {	/* not send by the firmware */

	}

	return;
}
#endif

/********************************************

	Configuration Exported Functions

********************************************/

static int nmi_wlan_cfg_set_wid(uint8_t *frame, uint32_t offset, uint16_t id, uint8_t *buf, int size)
{
	uint8_t type = (id >> 12) & 0xf;
	int ret = 0;

	if (type == 0) {					/* byte command */
		if (size >= 1)
			ret = nmi_wlan_cfg_set_byte(frame, offset, id, *buf);		
	} else if (type == 1) {			/* half word command */
		if (size >= 2)
			ret = nmi_wlan_cfg_set_hword(frame, offset, id, *((uint16_t *)buf));
	} else if (type == 2) {			/* word command */
		if (size >= 4)
			ret = nmi_wlan_cfg_set_word(frame, offset, id, *((uint32_t *)buf));
	} else if (type == 3) {			/* string command */
		ret = nmi_wlan_cfg_set_str(frame, offset, id, buf, size);
	} else if (type == 4) {			/* binary command */
		ret = nmi_wlan_cfg_set_bin(frame, offset, id, buf, size);
	} else {
		g_mac.dPrint(N_ERR, "illegal id\n");
	}

	return ret;
}

static int nmi_wlan_cfg_get_wid(uint8_t *frame, uint32_t offset, uint16_t id)
{
	uint8_t *buf;

	if ((offset + 2) >= MAX_CFG_FRAME_SIZE)
		return 0;

	buf = &frame[offset];

	buf[0] = (uint8_t)id;
	buf[1] = (uint8_t)(id>>8);
	
	return 2;
}

static int nmi_wlan_cfg_get_wid_value(uint16_t wid, uint8_t *buffer, uint32_t buffer_size)
{
	uint32_t type = (wid >> 12) & 0xf;
	int i, ret = 0;

	if (wid == WID_STATUS) {
		*((uint32_t *)buffer) = g_mac.mac_status;
		return 4; 
	}

	i = 0;
	if (type == 0) {					/* byte command */
		do {
			if (g_cfg_byte[i].id == WID_NIL)
				break;

			if (g_cfg_byte[i].id == wid) {
				memcpy(buffer,  &g_cfg_byte[i].val, 1);
				ret = 1;
				break;
			}
			i++;
		} while (1);
	} else if (type == 1) {			/* half word command */
		do {
			if (g_cfg_hword[i].id == WID_NIL)
				break;

			if (g_cfg_hword[i].id == wid) {
				memcpy(buffer,  &g_cfg_hword[i].val, 2);
				ret = 2;
				break;
			}
			i++;
		} while (1);
	} else if (type == 2) {			/* word command */
		do {
			if (g_cfg_word[i].id == WID_NIL)
				break;

			if (g_cfg_word[i].id == wid) {
				memcpy(buffer,  &g_cfg_word[i].val, 4);
				ret = 4;
				break;
			}
			i++;
		} while (1);
	} else if (type == 3) {			/* string command */
		do {
			if (g_cfg_str[i].id == WID_NIL)
				break;

			if (g_cfg_str[i].id == wid) {
				uint32_t size =  g_cfg_str[i].str[0];
				if (buffer_size >= size) {
					if(g_cfg_str[i].id == WID_SITE_SURVEY_RESULTS)
					{
						static int toggle = 0;
						PRINT_INFO(GENERIC_DBG,"Site survey results value[%d]\n",
								size);
						i += toggle;
						toggle ^= 1;

					}
					memcpy(buffer,  &g_cfg_str[i].str[1], size);
					ret = size;
				}
				break;
			}
			i++;
		} while (1);
	} else {
		g_mac.dPrint(N_ERR, "[CFG]: illegal type (%08x)\n", wid);
	}

	return ret;
}

static int nmi_wlan_cfg_indicate_rx(uint8_t *frame, int size, nmi_cfg_rsp_t *rsp)
{
	int ret = 1;
	uint8_t msg_type;
	uint8_t msg_id;
	uint16_t msg_len;

	msg_type = frame[0];
	msg_id = frame[1];	/* seq no */
#ifdef BIG_ENDIAN
	msg_len = (frame[2] << 8) | frame[3];
#else
	msg_len = (frame[3] << 8) | frame[2];
#endif
	frame += 4;
	size -= 4; 

	/**
		The  valid types of response messages are 'R' (Response), 'I' (Information), and 'N' (Network Information) 
	**/

	switch(msg_type) {
	case 'R':
		nmi_wlan_parse_response_frame(frame, size);
		rsp->type = NMI_CFG_RSP;
		rsp->seq_no = msg_id;
		break;
	case 'I':
		rsp->type = nmi_wlan_parse_info_frame(frame, size);
		rsp->seq_no = msg_id;
		/*call host interface info parse as well*/
		PRINT_INFO(RX_DBG,"Info message received\n");
		GnrlAsyncInfoReceived(frame-4, size+4);
		break;
	case 'L':
#ifndef SWITCH_LOG_TERMINAL
		PRINT_ER("Unexpected firmware log message received \n");
#else
		PRINT_D(FIRM_DBG,"\nFIRMWARE LOGS :\n<<\n%s\n>>\n",frame);
		break;
#endif
#if 1
	case 'N':
		//NMI_PRINTF("[cfg]Network Message Received\n");
		NetworkInfoReceived(frame-4, size+4);
		rsp->type = 0;
		break;
#endif
/*bug3819:*/
	case'S':
		PRINT_INFO(RX_DBG,"Scan Notification Received \n");
		host_int_ScanCompleteReceived(frame-4, size+4);
		break;
#ifdef NMI_FULLY_HOSTING_AP
	case'T':
		PRINT_INFO(RX_DBG,"TBTT Notification Received \n");
		process_tbtt_isr();
		break;
#endif
		
	default:
		PRINT_INFO(RX_DBG,"Receive unknown message type[%d-%d-%d-%d-%d-%d-%d-%d]\n",
				frame[0],frame[1],frame[2],frame[3],frame[4],
				frame[5],frame[6],frame[7]);
		rsp->type = 0;
		rsp->seq_no = msg_id;
		ret = 0;
		break;
	}

	return ret;		
}

static int nmi_wlan_cfg_init(nmi_debug_func func)
{
	memset((void *)&g_mac, 0, sizeof(nmi_mac_cfg_t));
	g_mac.dPrint = func;
	return 1;
}

nmi_cfg_func_t mac_cfg = {
	nmi_wlan_cfg_set_wid,
	nmi_wlan_cfg_get_wid,
	nmi_wlan_cfg_get_wid_value,
	nmi_wlan_cfg_indicate_rx,
	nmi_wlan_cfg_init,
};