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				#ifndef __tcp_accounting_h__
				#define __tcp_accounting_h__
				/*
				* Return values from tcp_do_ack_accounting
				* and indexs to the into the tcp_proc_time[]
				* array.
				*/
				#define ACK_BEHIND 0
				#define ACK_SACK 1
				#define ACK_CUMACK 2
				#define ACK_CUMACK_SACK 3
				#define ACK_DUPACK 4
				#define ACK_RWND 5
				/* Added values for tracking output too */
				#define SND_BLOCKED 6
				#define SND_LIMITED 7
				#define SND_OUT_DATA 8
				#define SND_OUT_ACK 9
				#define SND_OUT_FAIL 10
				/* We also count in the counts array two added (MSS sent and ACKS In) */
				#define CNT_OF_MSS_OUT 11
				#define CNT_OF_ACKS_IN 12

				/* for the tcpcb we add two more cycle counters */
				#define CYC_HANDLE_MAP 11
				#define CYC_HANDLE_ACK 12

				/* Should the tp->xxx array's be alloc'ed? */
				/* #define TCP_NUM_PROC_COUNTERS 11 defined in tcp_var.h */
				/* #define TCP_NUM_CNT_COUNTERS 13 defined in tcp_var.h */

				#ifdef _KERNEL
				#ifdef TCP_ACCOUNTING
				extern counter_u64_t tcp_cnt_counters[TCP_NUM_CNT_COUNTERS];
				extern counter_u64_t tcp_proc_time[TCP_NUM_PROC_COUNTERS];
				#endif
				#endif

				#endif