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dev_net.c revision 1.1 
      1 /*	$NetBSD: dev_net.c,v 1.1 2018/09/03 00:04:02 jmcneill Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2018 Jared McNeill <jmcneill (at) invisible.ca>
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     26  * SUCH DAMAGE.
     27  */
     28 
     29 #include "efiboot.h"
     30 
     31 #include <sys/types.h>
     32 #include <sys/socket.h>
     33 #include <net/if.h>
     34 #include <netinet/in.h>
     35 
     36 #include <lib/libsa/net.h>
     37 #include <lib/libsa/netif.h>
     38 #include <lib/libsa/bootparam.h>
     39 #include <lib/libsa/bootp.h>
     40 
     41 #include "dev_net.h"
     42 
     43 static int	net_socket = -1;
     44 
     45 int
     46 net_open(struct open_file *f, ...)
     47 {
     48 	va_list ap;
     49 	char *devname;
     50 	int error;
     51 
     52 	va_start(ap, f);
     53 	devname = va_arg(ap, char *);
     54 	va_end(ap);
     55 
     56 	if (net_socket < 0)
     57 		net_socket = netif_open(devname);
     58 	if (net_socket < 0)
     59 		return ENXIO;
     60 
     61 	if (myip.s_addr == INADDR_ANY) {
     62 		bootp(net_socket);
     63 
     64 		if (myip.s_addr == INADDR_ANY) {
     65 			error = EIO;
     66 			goto fail;
     67 		}
     68 
     69 		printf("boot: client ip: %s\n", inet_ntoa(myip));
     70 		printf("boot: server ip: %s\n", inet_ntoa(rootip));
     71 	}
     72 
     73 	f->f_devdata = &net_socket;
     74 
     75 	return 0;
     76 
     77 fail:
     78 	printf("net_open failed: %d\n", error);
     79 	netif_close(net_socket);
     80 	net_socket = -1;
     81 	return error;
     82 }
     83 
     84 int
     85 net_close(struct open_file *f)
     86 {
     87 	f->f_devdata = NULL;
     88 
     89 	return 0;
     90 }
     91 
     92 int
     93 net_strategy(void *devdata, int rw, daddr_t dblk, size_t size, void *buf, size_t *rsize)
     94 {
     95 	return EIO;
     96 }
     97