inet/tcp/tcp_output.c

213 	mblk_t		*xmit_tail;
345 	xmit_tail = tcp->tcp_xmit_tail;
505 	    num_sack_blk, &usable, &snxt, &tail_unsent, &xmit_tail,
511 			xmit_tail = xmit_tail->b_cont;
512 			xmit_tail->b_prev = local_time;
513 			ASSERT((uintptr_t)(xmit_tail->b_wptr -
514 			    xmit_tail->b_rptr) <= (uintptr_t)INT_MAX);
515 			tail_unsent += (int)(xmit_tail->b_wptr -
516 			    xmit_tail->b_rptr);
520 	tcp->tcp_xmit_tail = xmit_tail;
1770     uint_t *snxt, int *tail_unsent, mblk_t **xmit_tail, mblk_t *local_time)
1934 				ASSERT((*xmit_tail)->b_cont != NULL);
1935 				*xmit_tail = (*xmit_tail)->b_cont;
1936 				prev_rptr = (*xmit_tail)->b_rptr;
1937 				*tail_unsent = (int)((*xmit_tail)->b_wptr -
1938 				    (*xmit_tail)->b_rptr);
1940 				prev_rptr = (*xmit_tail)->b_rptr;
1941 				(*xmit_tail)->b_rptr = (*xmit_tail)->b_wptr -
1944 			mp = tcp_xmit_mp(tcp, *xmit_tail, len, NULL, NULL,
1948 			if (prev_rptr == (*xmit_tail)->b_rptr) {
1953 				if ((*xmit_tail)->b_next == NULL) {
1954 					(*xmit_tail)->b_prev = local_time;
1955 					(*xmit_tail)->b_next =
1959 				(*xmit_tail)->b_rptr = prev_rptr;
1969 				*xmit_tail = (*xmit_tail)->b_cont;
1970 				(*xmit_tail)->b_prev = local_time;
1971 				(*xmit_tail)->b_next =
1976 			*tail_unsent = (*xmit_tail)->b_wptr - mp1->b_wptr;
1990 			rptr = (*xmit_tail)->b_wptr - *tail_unsent;
1991 			if (rptr != (*xmit_tail)->b_rptr) {
2005 				mp = dupb(*xmit_tail);
2014 				if ((*xmit_tail)->b_next == NULL) {
2015 					(*xmit_tail)->b_prev = local_time;
2016 					(*xmit_tail)->b_next =
2022 			*xmit_tail = (*xmit_tail)->b_cont;
2023 			ASSERT((uintptr_t)((*xmit_tail)->b_wptr -
2024 			    (*xmit_tail)->b_rptr) <= (uintptr_t)INT_MAX);
2025 			*tail_unsent = (int)((*xmit_tail)->b_wptr -
2026 			    (*xmit_tail)->b_rptr);
2029 		(*xmit_tail)->b_prev = local_time;
2030 		(*xmit_tail)->b_next = (mblk_t *)(uintptr_t)(*snxt - len);
2045 		mp = dupb(*xmit_tail);
2102 				nmp = (*xmit_tail)->b_cont;
2132 				*xmit_tail = nmp;
2135 				(*xmit_tail)->b_prev = local_time;
2136 				(*xmit_tail)->b_next =
2138 				mp1->b_cont = dupb(*xmit_tail);
3584 	mblk_t *xmit_tail;
3590 	xmit_tail = tcp_get_seg_mp(tcp, snxt, &offset);
3591 	ASSERT(xmit_tail != NULL);
3592 	tcp->tcp_xmit_tail = xmit_tail;
3593 	tcp->tcp_xmit_tail_unsent = xmit_tail->b_wptr -
3594 	    xmit_tail->b_rptr - offset;