289 	info->rbuf_offset = 0;  in if_register_receive()
415 		if (interface->rbuf_offset >= interface->rbuf_len) {  in receive_packet()
420 			interface->rbuf_offset = 0;  in receive_packet()
429 		if (interface->rbuf_len - interface->rbuf_offset <  in receive_packet()
431 			interface->rbuf_offset = interface->rbuf_len;  in receive_packet()
436 		memcpy(&hdr, &interface->rbuf[interface->rbuf_offset],  in receive_packet()
443 		if (interface->rbuf_offset + hdr.bh_hdrlen + hdr.bh_caplen >  in receive_packet()
445 			interface->rbuf_offset = interface->rbuf_len;  in receive_packet()
450 		interface->rbuf_offset += hdr.bh_hdrlen;  in receive_packet()
458 			interface->rbuf_offset =  in receive_packet()
459 			    BPF_WORDALIGN(interface->rbuf_offset +  in receive_packet()
466 		    interface->rbuf_offset, hfrom);  in receive_packet()
474 			interface->rbuf_offset =  in receive_packet()
475 			    BPF_WORDALIGN(interface->rbuf_offset +  in receive_packet()
479 		interface->rbuf_offset += offset;  in receive_packet()
484 		    interface->rbuf_offset, from, NULL, hdr.bh_caplen);  in receive_packet()
488 			interface->rbuf_offset =  in receive_packet()
489 			    BPF_WORDALIGN(interface->rbuf_offset +  in receive_packet()
493 		interface->rbuf_offset += offset;  in receive_packet()
502 			interface->rbuf_offset =  in receive_packet()
503 			    BPF_WORDALIGN(interface->rbuf_offset +  in receive_packet()
509 		memcpy(buf, interface->rbuf + interface->rbuf_offset,  in receive_packet()
511 		interface->rbuf_offset =  in receive_packet()
512 		    BPF_WORDALIGN(interface->rbuf_offset +  in receive_packet()