lib/tcp/tcp.c

4619 	mblk_t		*xmit_tail;
4699 	xmit_tail = tcp->tcp_xmit_tail;
4867 			uchar_t		*prev_rptr = xmit_tail->b_rptr;
4871 				assert(xmit_tail->b_cont != NULL);
4872 				xmit_tail = xmit_tail->b_cont;
4873 				prev_rptr = xmit_tail->b_rptr;
4874 				tail_unsent = (int)(xmit_tail->b_wptr -
4875 				    xmit_tail->b_rptr);
4877 				xmit_tail->b_rptr = xmit_tail->b_wptr -
4880 			mp = tcp_xmit_mp(tcp, xmit_tail, len, NULL, NULL,
4884 			if (prev_rptr == xmit_tail->b_rptr)
4885 				xmit_tail->b_prev = local_time;
4887 				xmit_tail->b_rptr = prev_rptr;
4897 				xmit_tail = xmit_tail->b_cont;
4898 				xmit_tail->b_prev = local_time;
4901 			tail_unsent = xmit_tail->b_wptr - mp1->b_wptr;
4917 			rptr = xmit_tail->b_wptr - tail_unsent;
4918 			if (rptr != xmit_tail->b_rptr) {
4922 				mp = dupb(xmit_tail);
4929 			xmit_tail = xmit_tail->b_cont;
4930 			assert((uintptr_t)(xmit_tail->b_wptr -
4931 			    xmit_tail->b_rptr) <= (uintptr_t)INT_MAX);
4932 			tail_unsent = (int)(xmit_tail->b_wptr -
4933 			    xmit_tail->b_rptr);
4943 		xmit_tail->b_prev = local_time;
4945 		mp = dupb(xmit_tail);
5067 			    tail_unsent + (int)(xmit_tail->b_cont->b_wptr -
5068 			    xmit_tail->b_cont->b_rptr) <= 0) {
5069 				xmit_tail = xmit_tail->b_cont;
5071 				xmit_tail->b_prev = local_time;
5072 				mp1->b_cont = dupb(xmit_tail);
5074 				assert((uintptr_t)(xmit_tail->b_wptr -
5075 				    xmit_tail->b_rptr) <= (uintptr_t)INT_MAX);
5076 				tail_unsent += (int)(xmit_tail->b_wptr -
5077 				    xmit_tail->b_rptr);
5140 			xmit_tail = xmit_tail->b_cont;
5141 			xmit_tail->b_prev = local_time;
5142 			assert((uintptr_t)(xmit_tail->b_wptr -
5143 			    xmit_tail->b_rptr) <= (uintptr_t)INT_MAX);
5144 			tail_unsent += (int)(xmit_tail->b_wptr -
5145 			    xmit_tail->b_rptr);
5149 	tcp->tcp_xmit_tail = xmit_tail;