145 typedef struct tcp_s {  struct
146 	struct tcp_s	*tcp_time_wait_next;  argument
148 	struct tcp_s	*tcp_time_wait_prev;  argument
153 	tcp_stack_t	*tcp_tcps;	/* back pointer to tcp_stack_t */  argument
155 	int32_t	tcp_state;  argument
157 	int32_t	tcp_snd_ws;		/* Sender's window scale power */  argument
167 	uint32_t tcp_snxt;		/* Senders next seq num */  argument
168 	uint32_t tcp_swnd;		/* Senders window (relative to suna) */  argument
181 	uint32_t tcp_suna;		/* Sender unacknowledged */  argument
182 	uint32_t tcp_rexmit_nxt;	/* Next rexmit seq num */
183 	uint32_t tcp_rexmit_max;	/* Max retran seq num */
184 	uint32_t tcp_cwnd;		/* Congestion window */
185 	int32_t tcp_cwnd_cnt;		/* cwnd cnt in congestion avoidance */
187 	uint32_t tcp_ibsegs;		/* Inbound segments on this stream */
188 	uint32_t tcp_obsegs;		/* Outbound segments on this stream */
190 	uint32_t tcp_naglim;		/* Tunable nagle limit */
191 	uint32_t	tcp_valid_bits;
218 		tcp_syn_defense: 1,	/* For defense against SYN attack */  argument
220 		tcp_set_timer : 1,  argument
224 		tcp_snd_sack_ok : 1,	/* Can use SACK for this connection */  argument
238 		tcp_snd_ts_ok  : 1,  argument
239 		tcp_snd_ws_ok  : 1,  argument
243 		tcp_snd_zcopy_on : 1,	/* xmit zero-copy enabled */  argument
244 		tcp_snd_zcopy_aware : 1, /* client is zero-copy aware */  argument
249 		tcp_send_discon_ind : 1, /* TLI accept err, send discon ind */  argument
264 	tcp_sack_info_t	tcp_sack_info;  argument
290 	uint32_t tcp_swl1;		/* These help us avoid using stale */  argument
291 	uint32_t tcp_swl2;		/*  packets to update state */  argument
302 	struct tcp_s *tcp_listener;	/* Our listener */  argument
309 	clock_t	tcp_second_timer_threshold; /* When to give up completely */  argument
311 	clock_t tcp_second_ctimer_threshold; /* 2nd ... while connecting */  argument
325 	struct tcp_s *tcp_eager_next_q; /* next eager in ESTABLISHED state */  argument
326 	struct tcp_s *tcp_eager_last_q;	/* last eager in ESTABLISHED state */  argument
327 	struct tcp_s *tcp_eager_next_q0; /* next eager in SYN_RCVD state */  argument
328 	struct tcp_s *tcp_eager_prev_q0; /* prev eager in SYN_RCVD state */  argument
336 	uint32_t tcp_syn_rcvd_timeout;	/* How many SYN_RCVD timeout in q0 */  argument
342 	int32_t	tcp_ka_last_intrvl;	/* Last probe interval */
343 	timeout_id_t tcp_ka_tid;	/* Keepalive timer ID */
344 	uint32_t tcp_ka_interval;	/* Keepalive interval */
355 	uint32_t tcp_ka_rinterval;	/* keepalive retransmit interval */
356 	uint32_t tcp_ka_abort_thres;	/* Keepalive abort threshold */
357 	uint32_t tcp_ka_cnt;		/* count of keepalive probes */
359 	int32_t	tcp_client_errno;	/* How the client screwed up */
365 	ipha_t	*tcp_ipha;		/* IPv4 header in conn_ht_iphc */
366 	ip6_t	*tcp_ip6h;		/* IPv6 header in conn_ht_iphc */
367 	tcpha_t	*tcp_tcpha;		/* TCP header in conn_ht_iphc */
369 	uint16_t tcp_last_sent_len;	/* Record length for nagle */
370 	uint16_t tcp_last_recv_len;	/* Used by DTrace */
371 	uint16_t tcp_dupack_cnt;	/* # of consequtive duplicate acks */
373 	kmutex_t	*tcp_acceptor_lockp;	/* Ptr to tf_lock */
375 	mblk_t		*tcp_ordrel_mp;		/* T_ordrel_ind mblk */
376 	t_uscalar_t	tcp_acceptor_id;	/* ACCEPTOR_id */
401 	struct tcp_s *tcp_acceptor_hash; /* Acceptor hash chain */  argument
402 	struct tcp_s **tcp_ptpahn; /* Pointer to previous accept hash next. */  argument
403 	struct tcp_s *tcp_bind_hash; /* Bind hash chain */  argument
404 	struct tcp_s *tcp_bind_hash_port; /* tcp_t's bound to the same lport */  argument
405 	struct tcp_s **tcp_ptpbhn;  argument
414 	struct tcp_s *tcp_saved_listener;	/* saved value of listener */  argument
421 	struct tcp_s *tcp_loopback_peer;	/* peer tcp for loopback */  argument
441 	uint32_t	tcp_squeue_bytes;  argument
458 	struct tcp_s	*tcp_eager_prev_drop_q0;  argument
459 	struct tcp_s	*tcp_eager_next_drop_q0;  argument
473 	uint32_t	tcp_snxt_shrunk;  argument
480 	sock_connid_t	tcp_connid;
483 	mblk_t		*tcp_rsrv_mp;
485 	kmutex_t	tcp_rsrv_mp_lock;
488 	struct tcp_listen_cnt_s	*tcp_listen_cnt;
512 extern void 	*tcp_get_conn(void *arg, tcp_stack_t *);  argument