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dev_net.c revision 1.1.2.3
      1  1.1.2.3  pgoyette /*	$NetBSD: dev_net.c,v 1.1.2.3 2018/11/26 01:52:52 pgoyette Exp $	*/
      2  1.1.2.2  pgoyette 
      3  1.1.2.2  pgoyette /*-
      4  1.1.2.2  pgoyette  * Copyright (c) 2018 Jared McNeill <jmcneill (at) invisible.ca>
      5  1.1.2.2  pgoyette  * All rights reserved.
      6  1.1.2.2  pgoyette  *
      7  1.1.2.2  pgoyette  * Redistribution and use in source and binary forms, with or without
      8  1.1.2.2  pgoyette  * modification, are permitted provided that the following conditions
      9  1.1.2.2  pgoyette  * are met:
     10  1.1.2.2  pgoyette  * 1. Redistributions of source code must retain the above copyright
     11  1.1.2.2  pgoyette  *    notice, this list of conditions and the following disclaimer.
     12  1.1.2.2  pgoyette  * 2. Redistributions in binary form must reproduce the above copyright
     13  1.1.2.2  pgoyette  *    notice, this list of conditions and the following disclaimer in the
     14  1.1.2.2  pgoyette  *    documentation and/or other materials provided with the distribution.
     15  1.1.2.2  pgoyette  *
     16  1.1.2.2  pgoyette  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     17  1.1.2.2  pgoyette  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     18  1.1.2.2  pgoyette  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     19  1.1.2.2  pgoyette  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     20  1.1.2.2  pgoyette  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     21  1.1.2.2  pgoyette  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     22  1.1.2.2  pgoyette  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     23  1.1.2.2  pgoyette  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     24  1.1.2.2  pgoyette  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     25  1.1.2.2  pgoyette  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     26  1.1.2.2  pgoyette  * SUCH DAMAGE.
     27  1.1.2.2  pgoyette  */
     28  1.1.2.2  pgoyette 
     29  1.1.2.2  pgoyette #include "efiboot.h"
     30  1.1.2.2  pgoyette 
     31  1.1.2.2  pgoyette #include <sys/types.h>
     32  1.1.2.2  pgoyette #include <sys/socket.h>
     33  1.1.2.2  pgoyette #include <net/if.h>
     34  1.1.2.2  pgoyette #include <netinet/in.h>
     35  1.1.2.2  pgoyette 
     36  1.1.2.2  pgoyette #include <lib/libsa/net.h>
     37  1.1.2.2  pgoyette #include <lib/libsa/netif.h>
     38  1.1.2.2  pgoyette #include <lib/libsa/bootparam.h>
     39  1.1.2.2  pgoyette #include <lib/libsa/bootp.h>
     40  1.1.2.3  pgoyette #include <lib/libsa/nfs.h>
     41  1.1.2.2  pgoyette 
     42  1.1.2.2  pgoyette #include "dev_net.h"
     43  1.1.2.2  pgoyette 
     44  1.1.2.2  pgoyette static int	net_socket = -1;
     45  1.1.2.2  pgoyette 
     46  1.1.2.2  pgoyette int
     47  1.1.2.2  pgoyette net_open(struct open_file *f, ...)
     48  1.1.2.2  pgoyette {
     49  1.1.2.2  pgoyette 	va_list ap;
     50  1.1.2.2  pgoyette 	char *devname;
     51  1.1.2.2  pgoyette 	int error;
     52  1.1.2.2  pgoyette 
     53  1.1.2.2  pgoyette 	va_start(ap, f);
     54  1.1.2.2  pgoyette 	devname = va_arg(ap, char *);
     55  1.1.2.2  pgoyette 	va_end(ap);
     56  1.1.2.2  pgoyette 
     57  1.1.2.2  pgoyette 	if (net_socket < 0)
     58  1.1.2.2  pgoyette 		net_socket = netif_open(devname);
     59  1.1.2.2  pgoyette 	if (net_socket < 0)
     60  1.1.2.2  pgoyette 		return ENXIO;
     61  1.1.2.2  pgoyette 
     62  1.1.2.2  pgoyette 	if (myip.s_addr == INADDR_ANY) {
     63  1.1.2.2  pgoyette 		bootp(net_socket);
     64  1.1.2.2  pgoyette 
     65  1.1.2.2  pgoyette 		if (myip.s_addr == INADDR_ANY) {
     66  1.1.2.2  pgoyette 			error = EIO;
     67  1.1.2.2  pgoyette 			goto fail;
     68  1.1.2.2  pgoyette 		}
     69  1.1.2.2  pgoyette 
     70  1.1.2.2  pgoyette 		printf("boot: client ip: %s\n", inet_ntoa(myip));
     71  1.1.2.2  pgoyette 		printf("boot: server ip: %s\n", inet_ntoa(rootip));
     72  1.1.2.3  pgoyette 		if (rootpath[0] != '\0')
     73  1.1.2.3  pgoyette 			printf("boot: server path: %s\n", rootpath);
     74  1.1.2.3  pgoyette 		if (bootfile[0] != '\0')
     75  1.1.2.3  pgoyette 			printf("boot: file name: %s\n", bootfile);
     76  1.1.2.3  pgoyette 	}
     77  1.1.2.3  pgoyette 
     78  1.1.2.3  pgoyette 	if (rootpath[0] != '\0') {
     79  1.1.2.3  pgoyette 		error = nfs_mount(net_socket, rootip, rootpath);
     80  1.1.2.3  pgoyette 		if (error) {
     81  1.1.2.3  pgoyette 			printf("NFS mount error=%d\n", errno);
     82  1.1.2.3  pgoyette 			goto fail;
     83  1.1.2.3  pgoyette 		}
     84  1.1.2.2  pgoyette 	}
     85  1.1.2.2  pgoyette 
     86  1.1.2.2  pgoyette 	f->f_devdata = &net_socket;
     87  1.1.2.2  pgoyette 
     88  1.1.2.2  pgoyette 	return 0;
     89  1.1.2.2  pgoyette 
     90  1.1.2.2  pgoyette fail:
     91  1.1.2.2  pgoyette 	printf("net_open failed: %d\n", error);
     92  1.1.2.2  pgoyette 	netif_close(net_socket);
     93  1.1.2.2  pgoyette 	net_socket = -1;
     94  1.1.2.2  pgoyette 	return error;
     95  1.1.2.2  pgoyette }
     96  1.1.2.2  pgoyette 
     97  1.1.2.2  pgoyette int
     98  1.1.2.2  pgoyette net_close(struct open_file *f)
     99  1.1.2.2  pgoyette {
    100  1.1.2.2  pgoyette 	f->f_devdata = NULL;
    101  1.1.2.2  pgoyette 
    102  1.1.2.2  pgoyette 	return 0;
    103  1.1.2.2  pgoyette }
    104  1.1.2.2  pgoyette 
    105  1.1.2.2  pgoyette int
    106  1.1.2.2  pgoyette net_strategy(void *devdata, int rw, daddr_t dblk, size_t size, void *buf, size_t *rsize)
    107  1.1.2.2  pgoyette {
    108  1.1.2.2  pgoyette 	return EIO;
    109  1.1.2.2  pgoyette }
    110