86 		struct tpacket_req  req;  member
591 	ring->req.tp_block_size = getpagesize() << 2;  in __v1_v2_fill()
592 	ring->req.tp_frame_size = TPACKET_ALIGNMENT << 7;  in __v1_v2_fill()
593 	ring->req.tp_block_nr = blocks;  in __v1_v2_fill()
595 	ring->req.tp_frame_nr = ring->req.tp_block_size /  in __v1_v2_fill()
596 				ring->req.tp_frame_size *  in __v1_v2_fill()
597 				ring->req.tp_block_nr;  in __v1_v2_fill()
599 	ring->mm_len = ring->req.tp_block_size * ring->req.tp_block_nr;  in __v1_v2_fill()
601 	ring->rd_num = ring->req.tp_frame_nr;  in __v1_v2_fill()
602 	ring->flen = ring->req.tp_frame_size;  in __v1_v2_fill()
639 		ret = setsockopt(sock, SOL_PACKET, type, &ring->req,  in setup_ring()
640 				 sizeof(ring->req));  in setup_ring()