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	#define TCPTV_REXMTMAX ( 64hz) / max allowable REXMT value */			#define TCPTV_REXMTMAX ( 64hz) / max allowable REXMT value */

	#define TCPTV_TWTRUNC 8 /* RTO factor to truncate TW */			#define TCPTV_TWTRUNC 8 /* RTO factor to truncate TW */

	#define TCP_LINGERTIME 120 /* linger at most 2 minutes */			#define TCP_LINGERTIME 120 /* linger at most 2 minutes */

	#define TCP_MAXRXTSHIFT 12 /* maximum retransmits */			#define TCP_MAXRXTSHIFT 12 /* maximum retransmits */

	#define TCPTV_DELACK ( hz/10 ) /* 100ms timeout */			#define TCPTV_DELACK ( hz/25 ) /* 40ms timeout */

	/*			/*
	* If we exceed this number of retransmits for a single segment, we'll consider			* If we exceed this number of retransmits for a single segment, we'll consider
	* the current srtt measurement no longer valid and will recalculate from			* the current srtt measurement no longer valid and will recalculate from
	* scratch starting with the next ACK.			* scratch starting with the next ACK.
	*/			*/
	#define TCP_RTT_INVALIDATE (TCP_MAXRXTSHIFT / 4)			#define TCP_RTT_INVALIDATE (TCP_MAXRXTSHIFT / 4)

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