195 	struct sackblk head_blk,mid_blk,saved_blks[MAX_SACK_BLKS];  in tcp_update_dsack_list()  local
213 	head_blk.start = head_blk.end = 0;  in tcp_update_dsack_list()
231 			    (SEQ_GT(head_blk.start, SEQ_MAX(rcv_start, start)) ||  in tcp_update_dsack_list()
232 			    (head_blk.start == head_blk.end))) {  in tcp_update_dsack_list()
233 				head_blk.start = SEQ_MAX(rcv_start, start);  in tcp_update_dsack_list()
234 				head_blk.end = SEQ_MIN(rcv_end, end);  in tcp_update_dsack_list()
238 		if (((head_blk.start == head_blk.end) ||  in tcp_update_dsack_list()
239 		     SEQ_LT(start, head_blk.start)) &&  in tcp_update_dsack_list()
242 			head_blk.start = start;  in tcp_update_dsack_list()
243 			head_blk.end = end;  in tcp_update_dsack_list()
251 	if (SEQ_LT(head_blk.start, head_blk.end)) {  in tcp_update_dsack_list()
253 		saved_blks[0].start = SEQ_MAX(rcv_start, head_blk.start);  in tcp_update_dsack_list()
254 		saved_blks[0].end   = SEQ_MIN(rcv_end, head_blk.end);  in tcp_update_dsack_list()
297 	struct sackblk head_blk, saved_blks[MAX_SACK_BLKS];  in tcp_update_sack_list()  local
309 		head_blk = tp->sackblks[0];  in tcp_update_sack_list()
312 		head_blk.start = rcv_start;  in tcp_update_sack_list()
313 		head_blk.end = rcv_end;  in tcp_update_sack_list()
329 		} else if (SEQ_LEQ(head_blk.start, end) &&  in tcp_update_sack_list()
330 			   SEQ_GEQ(head_blk.end, start)) {  in tcp_update_sack_list()
348 			if (head_blk.start == end)  in tcp_update_sack_list()
349 				head_blk.start = start;  in tcp_update_sack_list()
350 			else if (head_blk.end == start)  in tcp_update_sack_list()
351 				head_blk.end = end;  in tcp_update_sack_list()
353 				if (SEQ_LT(head_blk.start, start)) {  in tcp_update_sack_list()
355 					start = head_blk.start;  in tcp_update_sack_list()
356 					head_blk.start = temp;  in tcp_update_sack_list()
358 				if (SEQ_GT(head_blk.end, end)) {  in tcp_update_sack_list()
360 					end = head_blk.end;  in tcp_update_sack_list()
361 					head_blk.end = temp;  in tcp_update_sack_list()
363 				if ((head_blk.start != start) ||  in tcp_update_sack_list()
364 				    (head_blk.end != end)) {  in tcp_update_sack_list()
400 		tp->sackblks[0] = head_blk;  in tcp_update_sack_list()