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authorjohns <johns@cvs.openbsd.org>1997-05-24 09:25:24 +0000
committerjohns <johns@cvs.openbsd.org>1997-05-24 09:25:24 +0000
commit9173aae581aab3e32eac40090d26caddb314fdc5 (patch)
tree4ef8a80e30e3b2ccb703edcb1e1ee1f4625c322b /sys/arch/sparc/stand
parente7d8faa2e759e3705c273cf85f03eec13c82f0c1 (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.c159
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;
+}