pfe/common/module_socket.h - vendor/mindspeed/drivers - Git at Google

 /*
  *  Copyright (c) 2010 Mindspeed Technologies, Inc.
  *
  *  This program is free software; you can redistribute it and/or
  *  modify it under the terms of the GNU General Public License
  *  as published by the Free Software Foundation; either version 2
  *  of the License, or (at your option) any later version.

  *  This program is distributed in the hope that it will be useful,
  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  *  GNU General Public License for more details.

  *  You should have received a copy of the GNU General Public License
  *  along with this program; if not, write to the Free Software
  *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  *
  *
  */

 #ifndef _MODULE_SOCKET_H_
 #define _MODULE_SOCKET_H_

 #include "types.h"
 #include "fe.h"
 #include "mtd.h"
 #include "channels.h"
 #include "layer2.h"

 #if !defined(COMCERTO_2000) || defined(COMCERTO_2000_CONTROL)
 extern struct slist_head sock4_cache[];
 extern struct slist_head sock6_cache[];
 extern struct slist_head sockid_cache[];
 #else
 extern PVOID sock4_cache[];
 extern PVOID sock6_cache[];
 extern PVOID sockid_cache[];
 #endif

 #if defined(COMCERTO_2000)
 #define SOCK_VALID		(1 << 0)
 #define SOCK_USED		(1 << 1)
 #define SOCK_UPDATING	(1 << 2)
 #endif

 extern channel_t socket_output_channel[];

 #define SOCKET_TYPE_L2TP	3	// Socket to LAN or WAN for L2TP
 #define SOCKET_TYPE_MSP		2	// Socket to MSP
 #define SOCKET_TYPE_ACP		1	// Socket to ACP
 #define SOCKET_TYPE_FPP		0 	// Socket to LAN or WAN

 #define SOCKET_STATS_SIZE	128	// max socket statistics (in bytes)

 #define SOCK_OWNER_NONE		0
 #define SOCK_OWNER_RTP_RELAY	1
 #define SOCK_OWNER_NATPT	2
 #define SOCK_OWNER_NATT		3
 #define SOCK_OWNER_L2TP		4

 #define SOCKET_CREATE	0
 #define SOCKET_BIND		1
 #define SOCKET_UNBIND	2
 #define SOCKET_UPDATE	3

 #if !defined(COMCERTO_2000)

 // IPv4 data path socket entry
 typedef struct _tSockEntry{
 	struct slist_entry 	list;
 	struct slist_entry 	list_id;
 	struct _tSockEntry	*nextid;
 	U8 					SocketFamily;
 	U8 					SocketType;			// 1 -> to ACP  /  0 -> to LAN or WAN (based on pRtEntry)
 	PVOID				owner;
 	PRouteEntry			pRtEntry;
 	U16					queue;
 	U16					dscp;
 	U32					SocketStats[SOCKET_STATS_SIZE/4];
 	U32					route_id;
 	U8					initial_takeover_done;
 	U32			next;
 	U16 		SocketID;
 	U16 		owner_type;
 	U16 		Sport;
 	U16 		Dport;
 	U8   		proto;
 	U8   		connected;
 	BOOL		qos_enable;
 	U8			rtpqos_slot;
 	//end of common header
 	U32 		Saddr_v4;
 	U32 		Daddr_v4;
 	U16		hash;
 	U16		hash_by_id;
 }SockEntry, *PSockEntry;

 // IPv6 data path socket entry
 typedef struct _tSock6Entry{
 	struct slist_entry 	list;
 	struct slist_entry 	list_id;
 	struct _tSockEntry	*nextid;
 	U8 					SocketFamily;
 	U8 					SocketType;		/** 1 -> to ACP  /  0 -> to LAN or WAN (based on pRtEntry) */
 	PVOID 				owner;
 	PRouteEntry			pRtEntry;
 	U16 				queue;
 	U16 				dscp;
 	U32 				SocketStats[SOCKET_STATS_SIZE/4];
 	U32 				route_id;
 	U8  				initial_takeover_done;
 	U32			next;
 	U16 		SocketID;
 	U16 		owner_type;
 	U16 		Sport;
 	U16 		Dport;
 	U8   		proto;
 	U8   		connected;
 	BOOL		qos_enable;
 	U8			rtpqos_slot;
 	//end of common header
 	U32 		Saddr_v6[4];
 	U32 		Daddr_v6[4];
 	U16		hash;
 	U16		hash_by_id;
 }Sock6Entry, *PSock6Entry;

 #elif defined(COMCERTO_2000_CONTROL)

 // IPv4/v6 control path HW socket entry (componed of the infos needed by both classifier and util-pe)
 typedef struct _thw_sock {
 	/* UTIL and CLASS */
 	U32 		flags;
 	U32 		dma_addr;
 	U32 		next;
 	U32 		nextid;
 	U16 		SocketID;
 	U8		SocketFamily;
 	U8		SocketType;
 	PVOID		owner;
 	U16 		owner_type;
 	U16 		Sport;
 	U16 		Dport;
 	U8			proto;
 	U8			connected;
 	U16 		queue;
 	U16 		dscp;
 	union {
 		struct {
 			U32 Saddr_v4;
 			U32 Daddr_v4;
 		};
 		struct {
 			U32 Saddr_v6[4];
 			U32 Daddr_v6[4];
 		};
 	};
 	struct 	hw_route	route;
 	U16		secure;
 	U16 		SA_nr_rx;
 	U16 		SA_handle_rx[SA_MAX_OP];
 	U16 		SA_nr_tx;
 	U16 		SA_handle_tx[SA_MAX_OP];
 	/* UTIL only */
 	U32		route_id;
 	U32 	SocketStats[SOCKET_STATS_SIZE/4];
 	U16		hash;
 	U16		hash_by_id;
 	U8		initial_takeover_done;
 	BOOL	qos_enable;
 	U8		rtpqos_slot;

 	/* HOST only , these fields are only used by host software, so keep them at the end of the structure */
 	struct dlist_head	list;
 	struct dlist_head	list_id;
 	struct _tSockEntry *sw_sock;	/*pointer to the software socket entry */
 	unsigned long		removal_time;
 }hw_sock;

 // IPv4/v6 control path SW socket entry
 typedef struct _tSockEntry{
 	struct slist_entry 	list;
 	struct slist_entry 	list_id;
 	U16 				hash;
 	U16			 		hash_by_id;
 	U32 				nextid;
 	U16			 		SocketID;
 	U8 					SocketFamily;
 	U8 					SocketType;	/** 1 -> to ACP  /  0 -> to LAN or WAN (based on pRtEntry) */
 	PVOID				owner;
 	U16 				owner_type;
 	PRouteEntry			pRtEntry;
 	U16					queue;
 	U16					dscp;
 	U32					SocketStats[SOCKET_STATS_SIZE/4];
 	U32					route_id;
 	U8					initial_takeover_done;

 	U16 		Sport;
 	U16 		Dport;
 	U8			proto;
 	U8			connected;
 	union {
 		struct {
 			U32 Saddr_v4;
 			U32 Daddr_v4;
 		};
 		struct {
 			U32 Saddr_v6[4];
 			U32 Daddr_v6[4];
 		};
 	};
 	U16		secure;
 	U16 		SA_nr_rx;
 	U16 		SA_handle_rx[SA_MAX_OP];
 	U16 		SA_nr_tx;
 	U16 		SA_handle_tx[SA_MAX_OP];
 	struct _thw_sock   *hw_sock;	/** pointer to the hardware socket entry */
 }SockEntry, *PSockEntry;
 typedef SockEntry Sock6Entry;
 typedef PSockEntry PSock6Entry;

 #else

 #if defined (COMCERTO_2000_CLASS)

 // IPv4/v6 data path socket entry for classifier
 typedef struct _tSockEntry{
 	U32 		flags;
 	U32 		dma_addr;
 	U32 		next;
 	U32 		nextid;
 	U16 		SocketID;
 	U8		SocketFamily;
 	U8		SocketType;
 	PVOID		owner;
 	U16 		owner_type;
 	U16 		Sport;
 	U16 		Dport;
 	U8		proto;
 	U8		connected;
 	U16 		queue;
 	U16 		dscp;
 	union {
 		struct {
 			U32 Saddr_v4;
 			U32 Daddr_v4;
 		};
 		struct {
 			U32 Saddr_v6[4];
 			U32 Daddr_v6[4];
 		};
 	};
 	RouteEntry	route;
 	U16		secure;
 	U16 		SA_nr_rx;
 	U16 		SA_handle_rx[SA_MAX_OP];
 	U16 		SA_nr_tx;
 	U16 		SA_handle_tx[SA_MAX_OP];
 }SockEntry, *PSockEntry;
 typedef SockEntry Sock6Entry;
 typedef PSockEntry PSock6Entry;

 #else

 // IPv4/v6 data path socket entry for util-pe
 typedef struct _tSockEntry{
 	U32 		flags;
 	U32 		dma_addr;
 	U32 		next;
 	U32 		nextid;
 	U16 		SocketID;
 	U8			SocketFamily;
 	U8			SocketType;
 	PVOID		owner;
 	U16 		owner_type;
 	U16 		Sport;
 	U16 		Dport;
 	U8			proto;
 	U8			connected;
 	U16 		queue;
 	U16 		dscp;
 	union {
 		struct {
 			U32 Saddr_v4;
 			U32 Daddr_v4;
 		};
 		struct {
 			U32 Saddr_v6[4];
 			U32 Daddr_v6[4];
 		};
 	};
 	RouteEntry	route;
 	U16		secure;
 	U16 		SA_nr_rx;
 	U16 		SA_handle_rx[SA_MAX_OP];
 	U16 		SA_nr_tx;
 	U16 		SA_handle_tx[SA_MAX_OP];
 	U32 		route_id;
 	U32 		SocketStats[SOCKET_STATS_SIZE/4];
 	U16 		hash;
 	U16 		hash_by_id;
 	U8			initial_takeover_done;
 	BOOL		qos_enable;
 	U8			rtpqos_slot;
 }SockEntry, *PSockEntry;
 typedef SockEntry Sock6Entry;
 typedef PSockEntry PSock6Entry;

 #endif

 #endif

 static __inline U32 HASH_SOCKID(U16 id)
 {
 	return (id & (NUM_SOCK_ENTRIES - 1));
 }

 static __inline U32 HASH_SOCK(U32 Daddr, U32 Dport, U16 Proto)
 {
 	U32 sum;

 	Daddr = ntohl(Daddr);
 	Dport = ntohs(Dport);

 	sum = ((Daddr << 7) | (Daddr >> 25));
 	sum += ((Dport << 11) | (Dport >> 21));
 	sum += (sum >> 16) + Proto;
 	return (sum ^ (sum >> 8)) & (NUM_SOCK_ENTRIES - 1);
 }

 static __inline U32 HASH_SOCK6(U32 Daddr, U32 Dport, U16 Proto)
 {
 	U32 sum;

 	Daddr = ntohl(Daddr);
 	Dport = ntohs(Dport);

 	sum = ((Daddr << 7) | (Daddr >> 25));
 	sum += ((Dport << 11) | (Dport >> 21));
 	sum += (sum >> 16) + Proto;
 	return (sum ^ (sum >> 8)) & (NUM_SOCK_ENTRIES - 1);
 }


 int SOCKET_expt_match(PMetadata mtd);
 PRouteEntry SOCKET4_get_route(PSockEntry pSocket);
 PRouteEntry SOCKET6_get_route(PSock6Entry pSocket);


 BOOL SOCKET4_check_route(PSockEntry pSocket)__attribute__ ((noinline));
 int SOCKET4_send_rtp_packet(PMetadata mtd, PSockEntry pSocket, BOOL ipv4_update, U32 payload_diff)__attribute__ ((noinline));
 BOOL SOCKET6_check_route(PSock6Entry pSocket) __attribute__ ((noinline));
 int SOCKET6_send_rtp_packet(PMetadata mtd, PSock6Entry pSocket, BOOL ipv6_update, U32 payload_diff) __attribute__ ((noinline));

 PSockEntry SOCKET_find_entry_by_id(U16 socketID)__attribute__ ((noinline));
 PSockEntry SOCKET4_find_entry(U32 saddr, U16 sport, U32 daddr, U16 dport, U16 proto)__attribute__ ((noinline));
 PSock6Entry SOCKET6_find_entry(U32 *saddr, U16 sport, U32 *daddr, U16 dport, U16 proto) __attribute__ ((noinline));

 #if defined (COMCERTO_2000_CONTROL)
 PSock6Entry socket6_alloc(void);
 int socket6_add(PSock6Entry pSocket);
 void socket6_remove(PSock6Entry pSocket, U32 hash, U32 hash_by_id);
 PSockEntry socket4_alloc(void);
 int socket4_add(PSockEntry pSocket);
 void socket4_remove(PSockEntry pSocket, U32 hash, U32 hash_by_id);
 void socket6_free(PSock6Entry pSocket);
 void socket4_free(PSockEntry pSocket);
 #endif


 void socket4_update(PSockEntry pSocket, u8 event);
 void socket6_update(PSock6Entry pSocket, u8 event);

 BOOL socket_init(void);
 void socket_exit(void);


 #if defined(COMCERTO_2000_CLASS)
 /* PBUF route entry memory chunk is used to allocated a socket entry */
 #define SOCKET_BUFFER()\
     ((PVOID)(CLASS_ROUTE0_BASE_ADDR))

 #elif defined(COMCERTO_2000_UTIL)
 #include "util_dmem_storage.h"
 #endif


 #endif
	/*
	* Copyright (c) 2010 Mindspeed Technologies, Inc.
	*
	* This program is free software; you can redistribute it and/or
	* modify it under the terms of the GNU General Public License
	* as published by the Free Software Foundation; either version 2
	* of the License, or (at your option) any later version.

	* This program is distributed in the hope that it will be useful,
	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	* GNU General Public License for more details.

	* You should have received a copy of the GNU General Public License
	* along with this program; if not, write to the Free Software
	* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
	*
	*
	*/

	#ifndef _MODULE_SOCKET_H_
	#define _MODULE_SOCKET_H_

	#include "types.h"
	#include "fe.h"
	#include "mtd.h"
	#include "channels.h"
	#include "layer2.h"

	#if !defined(COMCERTO_2000) \|\| defined(COMCERTO_2000_CONTROL)
	extern struct slist_head sock4_cache[];
	extern struct slist_head sock6_cache[];
	extern struct slist_head sockid_cache[];
	#else
	extern PVOID sock4_cache[];
	extern PVOID sock6_cache[];
	extern PVOID sockid_cache[];
	#endif

	#if defined(COMCERTO_2000)
	#define SOCK_VALID (1 << 0)
	#define SOCK_USED (1 << 1)
	#define SOCK_UPDATING (1 << 2)
	#endif

	extern channel_t socket_output_channel[];

	#define SOCKET_TYPE_L2TP 3 // Socket to LAN or WAN for L2TP
	#define SOCKET_TYPE_MSP 2 // Socket to MSP
	#define SOCKET_TYPE_ACP 1 // Socket to ACP
	#define SOCKET_TYPE_FPP 0 // Socket to LAN or WAN

	#define SOCKET_STATS_SIZE 128 // max socket statistics (in bytes)

	#define SOCK_OWNER_NONE 0
	#define SOCK_OWNER_RTP_RELAY 1
	#define SOCK_OWNER_NATPT 2
	#define SOCK_OWNER_NATT 3
	#define SOCK_OWNER_L2TP 4

	#define SOCKET_CREATE 0
	#define SOCKET_BIND 1
	#define SOCKET_UNBIND 2
	#define SOCKET_UPDATE 3

	#if !defined(COMCERTO_2000)

	// IPv4 data path socket entry
	typedef struct _tSockEntry{
	struct slist_entry list;
	struct slist_entry list_id;
	struct _tSockEntry *nextid;
	U8 SocketFamily;
	U8 SocketType; // 1 -> to ACP / 0 -> to LAN or WAN (based on pRtEntry)
	PVOID owner;
	PRouteEntry pRtEntry;
	U16 queue;
	U16 dscp;
	U32 SocketStats[SOCKET_STATS_SIZE/4];
	U32 route_id;
	U8 initial_takeover_done;
	U32 next;
	U16 SocketID;
	U16 owner_type;
	U16 Sport;
	U16 Dport;
	U8 proto;
	U8 connected;
	BOOL qos_enable;
	U8 rtpqos_slot;
	//end of common header
	U32 Saddr_v4;
	U32 Daddr_v4;
	U16 hash;
	U16 hash_by_id;
	}SockEntry, *PSockEntry;

	// IPv6 data path socket entry
	typedef struct _tSock6Entry{
	struct slist_entry list;
	struct slist_entry list_id;
	struct _tSockEntry *nextid;
	U8 SocketFamily;
	U8 SocketType; /** 1 -> to ACP / 0 -> to LAN or WAN (based on pRtEntry) */
	PVOID owner;
	PRouteEntry pRtEntry;
	U16 queue;
	U16 dscp;
	U32 SocketStats[SOCKET_STATS_SIZE/4];
	U32 route_id;
	U8 initial_takeover_done;
	U32 next;
	U16 SocketID;
	U16 owner_type;
	U16 Sport;
	U16 Dport;
	U8 proto;
	U8 connected;
	BOOL qos_enable;
	U8 rtpqos_slot;
	//end of common header
	U32 Saddr_v6[4];
	U32 Daddr_v6[4];
	U16 hash;
	U16 hash_by_id;
	}Sock6Entry, *PSock6Entry;

	#elif defined(COMCERTO_2000_CONTROL)

	// IPv4/v6 control path HW socket entry (componed of the infos needed by both classifier and util-pe)
	typedef struct _thw_sock {
	/* UTIL and CLASS */
	U32 flags;
	U32 dma_addr;
	U32 next;
	U32 nextid;
	U16 SocketID;
	U8 SocketFamily;
	U8 SocketType;
	PVOID owner;
	U16 owner_type;
	U16 Sport;
	U16 Dport;
	U8 proto;
	U8 connected;
	U16 queue;
	U16 dscp;
	union {
	struct {
	U32 Saddr_v4;
	U32 Daddr_v4;
	};
	struct {
	U32 Saddr_v6[4];
	U32 Daddr_v6[4];
	};
	};
	struct hw_route route;
	U16 secure;
	U16 SA_nr_rx;
	U16 SA_handle_rx[SA_MAX_OP];
	U16 SA_nr_tx;
	U16 SA_handle_tx[SA_MAX_OP];
	/* UTIL only */
	U32 route_id;
	U32 SocketStats[SOCKET_STATS_SIZE/4];
	U16 hash;
	U16 hash_by_id;
	U8 initial_takeover_done;
	BOOL qos_enable;
	U8 rtpqos_slot;

	/* HOST only , these fields are only used by host software, so keep them at the end of the structure */
	struct dlist_head list;
	struct dlist_head list_id;
	struct _tSockEntry sw_sock; /pointer to the software socket entry */
	unsigned long removal_time;
	}hw_sock;

	// IPv4/v6 control path SW socket entry
	typedef struct _tSockEntry{
	struct slist_entry list;
	struct slist_entry list_id;
	U16 hash;
	U16 hash_by_id;
	U32 nextid;
	U16 SocketID;
	U8 SocketFamily;
	U8 SocketType; /** 1 -> to ACP / 0 -> to LAN or WAN (based on pRtEntry) */
	PVOID owner;
	U16 owner_type;
	PRouteEntry pRtEntry;
	U16 queue;
	U16 dscp;
	U32 SocketStats[SOCKET_STATS_SIZE/4];
	U32 route_id;
	U8 initial_takeover_done;

	U16 Sport;
	U16 Dport;
	U8 proto;
	U8 connected;
	union {
	struct {
	U32 Saddr_v4;
	U32 Daddr_v4;
	};
	struct {
	U32 Saddr_v6[4];
	U32 Daddr_v6[4];
	};
	};
	U16 secure;
	U16 SA_nr_rx;
	U16 SA_handle_rx[SA_MAX_OP];
	U16 SA_nr_tx;
	U16 SA_handle_tx[SA_MAX_OP];
	struct _thw_sock hw_sock; /* pointer to the hardware socket entry */
	}SockEntry, *PSockEntry;
	typedef SockEntry Sock6Entry;
	typedef PSockEntry PSock6Entry;

	#else

	#if defined (COMCERTO_2000_CLASS)

	// IPv4/v6 data path socket entry for classifier
	typedef struct _tSockEntry{
	U32 flags;
	U32 dma_addr;
	U32 next;
	U32 nextid;
	U16 SocketID;
	U8 SocketFamily;
	U8 SocketType;
	PVOID owner;
	U16 owner_type;
	U16 Sport;
	U16 Dport;
	U8 proto;
	U8 connected;
	U16 queue;
	U16 dscp;
	union {
	struct {
	U32 Saddr_v4;
	U32 Daddr_v4;
	};
	struct {
	U32 Saddr_v6[4];
	U32 Daddr_v6[4];
	};
	};
	RouteEntry route;
	U16 secure;
	U16 SA_nr_rx;
	U16 SA_handle_rx[SA_MAX_OP];
	U16 SA_nr_tx;
	U16 SA_handle_tx[SA_MAX_OP];
	}SockEntry, *PSockEntry;
	typedef SockEntry Sock6Entry;
	typedef PSockEntry PSock6Entry;

	#else

	// IPv4/v6 data path socket entry for util-pe
	typedef struct _tSockEntry{
	U32 flags;
	U32 dma_addr;
	U32 next;
	U32 nextid;
	U16 SocketID;
	U8 SocketFamily;
	U8 SocketType;
	PVOID owner;
	U16 owner_type;
	U16 Sport;
	U16 Dport;
	U8 proto;
	U8 connected;
	U16 queue;
	U16 dscp;
	union {
	struct {
	U32 Saddr_v4;
	U32 Daddr_v4;
	};
	struct {
	U32 Saddr_v6[4];
	U32 Daddr_v6[4];
	};
	};
	RouteEntry route;
	U16 secure;
	U16 SA_nr_rx;
	U16 SA_handle_rx[SA_MAX_OP];
	U16 SA_nr_tx;
	U16 SA_handle_tx[SA_MAX_OP];
	U32 route_id;
	U32 SocketStats[SOCKET_STATS_SIZE/4];
	U16 hash;
	U16 hash_by_id;
	U8 initial_takeover_done;
	BOOL qos_enable;
	U8 rtpqos_slot;
	}SockEntry, *PSockEntry;
	typedef SockEntry Sock6Entry;
	typedef PSockEntry PSock6Entry;

	#endif

	#endif

	static __inline U32 HASH_SOCKID(U16 id)
	{
	return (id & (NUM_SOCK_ENTRIES - 1));
	}

	static __inline U32 HASH_SOCK(U32 Daddr, U32 Dport, U16 Proto)
	{
	U32 sum;

	Daddr = ntohl(Daddr);
	Dport = ntohs(Dport);

	sum = ((Daddr << 7) \| (Daddr >> 25));
	sum += ((Dport << 11) \| (Dport >> 21));
	sum += (sum >> 16) + Proto;
	return (sum ^ (sum >> 8)) & (NUM_SOCK_ENTRIES - 1);
	}

	static __inline U32 HASH_SOCK6(U32 Daddr, U32 Dport, U16 Proto)
	{
	U32 sum;

	Daddr = ntohl(Daddr);
	Dport = ntohs(Dport);

	sum = ((Daddr << 7) \| (Daddr >> 25));
	sum += ((Dport << 11) \| (Dport >> 21));
	sum += (sum >> 16) + Proto;
	return (sum ^ (sum >> 8)) & (NUM_SOCK_ENTRIES - 1);
	}


	int SOCKET_expt_match(PMetadata mtd);
	PRouteEntry SOCKET4_get_route(PSockEntry pSocket);
	PRouteEntry SOCKET6_get_route(PSock6Entry pSocket);


	BOOL SOCKET4_check_route(PSockEntry pSocket)__attribute__ ((noinline));
	int SOCKET4_send_rtp_packet(PMetadata mtd, PSockEntry pSocket, BOOL ipv4_update, U32 payload_diff)__attribute__ ((noinline));
	BOOL SOCKET6_check_route(PSock6Entry pSocket) __attribute__ ((noinline));
	int SOCKET6_send_rtp_packet(PMetadata mtd, PSock6Entry pSocket, BOOL ipv6_update, U32 payload_diff) __attribute__ ((noinline));

	PSockEntry SOCKET_find_entry_by_id(U16 socketID)__attribute__ ((noinline));
	PSockEntry SOCKET4_find_entry(U32 saddr, U16 sport, U32 daddr, U16 dport, U16 proto)__attribute__ ((noinline));
	PSock6Entry SOCKET6_find_entry(U32 saddr, U16 sport, U32 daddr, U16 dport, U16 proto) __attribute__ ((noinline));

	#if defined (COMCERTO_2000_CONTROL)
	PSock6Entry socket6_alloc(void);
	int socket6_add(PSock6Entry pSocket);
	void socket6_remove(PSock6Entry pSocket, U32 hash, U32 hash_by_id);
	PSockEntry socket4_alloc(void);
	int socket4_add(PSockEntry pSocket);
	void socket4_remove(PSockEntry pSocket, U32 hash, U32 hash_by_id);
	void socket6_free(PSock6Entry pSocket);
	void socket4_free(PSockEntry pSocket);
	#endif


	void socket4_update(PSockEntry pSocket, u8 event);
	void socket6_update(PSock6Entry pSocket, u8 event);

	BOOL socket_init(void);
	void socket_exit(void);


	#if defined(COMCERTO_2000_CLASS)
	/* PBUF route entry memory chunk is used to allocated a socket entry */
	#define SOCKET_BUFFER()\
	((PVOID)(CLASS_ROUTE0_BASE_ADDR))

	#elif defined(COMCERTO_2000_UTIL)
	#include "util_dmem_storage.h"
	#endif


	#endif