87 	struct tftp_t  *tr;  in tftp_file_read()  local
141 		tr = (struct tftp_t *)&nic.packet[ETH_HLEN];  in tftp_file_read()
142 		if (tr->opcode == ntohs(TFTP_ERROR))  in tftp_file_read()
145 			       ntohs(tr->u.err.errcode),  in tftp_file_read()
146 			       tr->u.err.errmsg);  in tftp_file_read()
150 		if (tr->opcode == ntohs(TFTP_OACK)) {  in tftp_file_read()
151 			char *p = tr->u.oack.data, *e;  in tftp_file_read()
155 			len = ntohs(tr->udp.len) - sizeof(struct udphdr) - 2;  in tftp_file_read()
187 						     iport, ntohs(tr->udp.src),  in tftp_file_read()
198 		else if (tr->opcode == htons(TFTP_DATA)) {  in tftp_file_read()
199 			len = ntohs(tr->udp.len) - sizeof(struct udphdr) - 4;  in tftp_file_read()
202 			block = ntohs(tp.u.ack.block = tr->u.data.block); }  in tftp_file_read()
212 		oport = ntohs(tr->udp.src);  in tftp_file_read()
222 		if ((rc = fnc(tr->u.data.download,  in tftp_file_read()
246       struct tftp_t *tr;  in buf_fill()  local
290       tr = (struct tftp_t *) &nic.packet[ETH_HLEN];  in buf_fill()
291       if (tr->opcode == ntohs (TFTP_ERROR))  in buf_fill()
294 		       ntohs (tr->u.err.errcode),  in buf_fill()
295 		       tr->u.err.errmsg);  in buf_fill()
299       if (tr->opcode == ntohs (TFTP_OACK))  in buf_fill()
301 	  char *p = tr->u.oack.data, *e;  in buf_fill()
315 	  len = ntohs (tr->udp.len) - sizeof (struct udphdr) - 2;  in buf_fill()
357 				iport, ntohs (tr->udp.src),  in buf_fill()
376       else if (tr->opcode == ntohs (TFTP_DATA))  in buf_fill()
381 	  len = ntohs (tr->udp.len) - sizeof (struct udphdr) - 4;  in buf_fill()
392 	  block = ntohs (tp.u.ack.block = tr->u.data.block);  in buf_fill()
404       oport = ntohs (tr->udp.src);  in buf_fill()
433       grub_memmove (buf + buf_read, tr->u.data.download, len);  in buf_fill()