110 lines
2.8 KiB
C
110 lines
2.8 KiB
C
/* $NetBSD: dev_net.c,v 1.2 2018/11/15 23:52:33 jmcneill Exp $ */
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/*-
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* Copyright (c) 2018 Jared McNeill <jmcneill@invisible.ca>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include "efiboot.h"
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <net/if.h>
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#include <netinet/in.h>
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#include <lib/libsa/net.h>
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#include <lib/libsa/netif.h>
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#include <lib/libsa/bootparam.h>
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#include <lib/libsa/bootp.h>
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#include <lib/libsa/nfs.h>
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#include "dev_net.h"
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static int net_socket = -1;
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int
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net_open(struct open_file *f, ...)
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{
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va_list ap;
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char *devname;
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int error;
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va_start(ap, f);
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devname = va_arg(ap, char *);
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va_end(ap);
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if (net_socket < 0)
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net_socket = netif_open(devname);
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if (net_socket < 0)
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return ENXIO;
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if (myip.s_addr == INADDR_ANY) {
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bootp(net_socket);
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if (myip.s_addr == INADDR_ANY) {
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error = EIO;
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goto fail;
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}
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printf("boot: client ip: %s\n", inet_ntoa(myip));
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printf("boot: server ip: %s\n", inet_ntoa(rootip));
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if (rootpath[0] != '\0')
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printf("boot: server path: %s\n", rootpath);
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if (bootfile[0] != '\0')
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printf("boot: file name: %s\n", bootfile);
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}
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if (rootpath[0] != '\0') {
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error = nfs_mount(net_socket, rootip, rootpath);
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if (error) {
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printf("NFS mount error=%d\n", errno);
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goto fail;
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}
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}
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f->f_devdata = &net_socket;
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return 0;
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fail:
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printf("net_open failed: %d\n", error);
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netif_close(net_socket);
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net_socket = -1;
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return error;
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}
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int
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net_close(struct open_file *f)
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{
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f->f_devdata = NULL;
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return 0;
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}
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int
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net_strategy(void *devdata, int rw, daddr_t dblk, size_t size, void *buf, size_t *rsize)
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{
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return EIO;
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}
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