diff options
author | johns <johns@cvs.openbsd.org> | 1997-05-24 09:25:24 +0000 |
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committer | johns <johns@cvs.openbsd.org> | 1997-05-24 09:25:24 +0000 |
commit | 9173aae581aab3e32eac40090d26caddb314fdc5 (patch) | |
tree | 4ef8a80e30e3b2ccb703edcb1e1ee1f4625c322b /sys/arch/sparc/stand | |
parent | e7d8faa2e759e3705c273cf85f03eec13c82f0c1 (diff) |
Renaming net.c to bootnet.c to avoid name collision with libsa
(per George's instructions)
Diffstat (limited to 'sys/arch/sparc/stand')
-rw-r--r-- | sys/arch/sparc/stand/bootnet.c | 159 |
1 files changed, 159 insertions, 0 deletions
diff --git a/sys/arch/sparc/stand/bootnet.c b/sys/arch/sparc/stand/bootnet.c new file mode 100644 index 00000000000..e67b22ac6f4 --- /dev/null +++ b/sys/arch/sparc/stand/bootnet.c @@ -0,0 +1,159 @@ +/* $NetBSD: net.c,v 1.3 1996/05/04 19:36:01 pk Exp $ */ + +/* + * Copyright (c) 1995 Gordon W. Ross + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * 4. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by Gordon W. Ross + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/* + * This module implements a "raw device" interface suitable for + * use by the stand-alone I/O library NFS code. This interface + * does not support any "block" access, and exists only for the + * purpose of initializing the network interface, getting boot + * parameters, and performing the NFS mount. + * + * At open time, this does: + * + * find interface - netif_open() + * RARP for IP address - rarp_getipaddress() + * RPC/bootparams - callrpc(d, RPC_BOOTPARAMS, ...) + * RPC/mountd - nfs_mount(sock, ip, path) + * + * the root file handle from mountd is saved in a global + * for use by the NFS open code (NFS/lookup). + */ + +#include <sys/param.h> +#include <sys/socket.h> +#include <net/if.h> +#include <netinet/in.h> +#include <netinet/if_ether.h> +#include <netinet/in_systm.h> + +#include "stand.h" +#include "net.h" +#include "netif.h" +#include "bootparam.h" + +char rootpath[FNAME_SIZE]; + +int netdev_sock = -1; +static int open_count; + +/* + * Called by devopen after it sets f->f_dev to our devsw entry. + * This opens the low-level device and sets f->f_devdata. + */ +int +net_open(pd) + struct promdata *pd; +{ + int error = 0; + + /* On first open, do netif open, mount, etc. */ + if (open_count == 0) { + /* Find network interface. */ + if ((netdev_sock = netif_open(pd)) < 0) { + error = errno; + goto bad; + } + if ((error = net_mountroot()) != 0) + goto bad; + } + open_count++; +bad: + return (error); +} + +int +net_close(pd) + struct promdata *pd; +{ + /* On last close, do netif close, etc. */ + if (open_count > 0) + if (--open_count == 0) + netif_close(netdev_sock); +} + +int +net_mountroot() +{ + +#ifdef DEBUG + printf("net_mountroot\n"); +#endif + + /* + * Get info for NFS boot: our IP address, our hostname, + * server IP address, and our root path on the server. + * There are two ways to do this: The old, Sun way, + * and the more modern, BOOTP way. (RFC951, RFC1048) + */ + +#ifdef SUN_BOOTPARAMS + /* Get boot info using RARP and Sun bootparams. */ + + /* Get our IP address. (rarp.c) */ + if (rarp_getipaddress(netdev_sock) == -1) + return errno; + + printf("boot: client IP address: %s\n", inet_ntoa(myip)); + + /* Get our hostname, server IP address. */ + if (bp_whoami(netdev_sock)) + return (errno); + + printf("boot: client name: %s\n", hostname); + + /* Get the root pathname. */ + if (bp_getfile(netdev_sock, "root", &rootip, rootpath)) + return (errno); + +#else + + /* Get boot info using BOOTP way. (RFC951, RFC1048) */ + bootp(netdev_sock); + + printf("Using IP address: %s\n", inet_ntoa(myip)); + + printf("myip: %s (%s)", hostname, inet_ntoa(myip)); + if (gateip) + printf(", gateip: %s", inet_ntoa(gateip)); + if (netmask) + printf(", netmask: %s", intoa(netmask)); + printf("\n"); + +#endif + + printf("root addr=%s path=%s\n", inet_ntoa(rootip), rootpath); + + /* Get the NFS file handle (mount). */ + if (nfs_mount(netdev_sock, rootip, rootpath) != 0) + return (errno); + return 0; +} |