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[src/sommerfeld_i386mp_1]: src/sys/arch/i386/stand/pxeboot Need private copie...
details: https://anonhg.NetBSD.org/src/rev/61c2b036ba57
branches: sommerfeld_i386mp_1
changeset: 482489:61c2b036ba57
user: thorpej <thorpej%NetBSD.org@localhost>
date: Sat Feb 16 16:26:24 2002 +0000
description:
Need private copies of these files for now.
diffstat:
sys/arch/i386/stand/pxeboot/dev_net.c | 273 ++++++++++++++++++++++++++++++++++
sys/arch/i386/stand/pxeboot/dev_net.h | 6 +
2 files changed, 279 insertions(+), 0 deletions(-)
diffs (287 lines):
diff -r d6d9c467c462 -r 61c2b036ba57 sys/arch/i386/stand/pxeboot/dev_net.c
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/arch/i386/stand/pxeboot/dev_net.c Sat Feb 16 16:26:24 2002 +0000
@@ -0,0 +1,273 @@
+/* $NetBSD: dev_net.c,v 1.1.2.2 2002/02/16 16:26:24 thorpej Exp $ */
+
+/*-
+ * Copyright (c) 1997 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Gordon W. Ross.
+ *
+ * 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. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by the NetBSD
+ * Foundation, Inc. and its contributors.
+ * 4. Neither the name of The NetBSD Foundation nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+ * ``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 FOUNDATION OR CONTRIBUTORS
+ * 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 <machine/stdarg.h>
+#include <sys/param.h>
+#include <sys/socket.h>
+#include <net/if.h>
+#include <netinet/in.h>
+#include <netinet/in_systm.h>
+
+#include <lib/libkern/libkern.h>
+
+#include "stand.h"
+#include "net.h"
+#include "netif.h"
+#include "nfs.h"
+#include "bootparam.h"
+#include "dev_net.h"
+
+extern int nfs_root_node[]; /* XXX - get from nfs_mount() */
+
+static int netdev_sock = -1;
+static int netdev_opens;
+
+static int net_getparams __P((int sock));
+
+/*
+ * Called by devopen after it sets f->f_dev to our devsw entry.
+ * This opens the low-level device and sets f->f_devdata.
+ * This is declared with variable arguments...
+ */
+int
+net_open(struct open_file *f, ...)
+{
+ va_list ap;
+ char *devname; /* Device part of file name (or NULL). */
+ int error = 0;
+
+ va_start(ap, f);
+ devname = va_arg(ap, char*);
+ va_end(ap);
+
+#ifdef NETIF_DEBUG
+ if (debug)
+ printf("net_open: %s\n", devname);
+#endif
+
+ /* On first open, do netif open, mount, etc. */
+ if (netdev_opens == 0) {
+ /* Find network interface. */
+ if (netdev_sock < 0) {
+ netdev_sock = netif_open(devname);
+ if (netdev_sock < 0) {
+ printf("net_open: netif_open() failed\n");
+ return (ENXIO);
+ }
+ if (debug)
+ printf("net_open: netif_open() succeeded\n");
+ }
+ if (rootip.s_addr == 0) {
+ /* Get root IP address, and path, etc. */
+ error = net_getparams(netdev_sock);
+ if (error) {
+ /* getparams makes its own noise */
+ goto fail;
+ }
+ /* Get the NFS file handle (mountd). */
+ error = nfs_mount(netdev_sock, rootip, rootpath);
+ if (error) {
+ printf("net_open: NFS mount error=%d\n", error);
+ rootip.s_addr = 0;
+ fail:
+ netif_close(netdev_sock);
+ netdev_sock = -1;
+ return (error);
+ }
+ if (debug)
+ printf("net_open: NFS mount succeeded\n");
+ }
+ }
+ netdev_opens++;
+ f->f_devdata = nfs_root_node;
+ return (error);
+}
+
+int
+net_close(f)
+ struct open_file *f;
+{
+
+#ifdef NETIF_DEBUG
+ if (debug)
+ printf("net_close: opens=%d\n", netdev_opens);
+#endif
+
+ /* On last close, do netif close, etc. */
+ f->f_devdata = NULL;
+ /* Extra close call? */
+ if (netdev_opens <= 0)
+ return (0);
+ netdev_opens--;
+ /* Not last close? */
+ if (netdev_opens > 0)
+ return(0);
+ rootip.s_addr = 0;
+ if (netdev_sock >= 0) {
+ if (debug)
+ printf("net_close: calling netif_close()\n");
+ netif_close(netdev_sock);
+ netdev_sock = -1;
+ }
+ return (0);
+}
+
+int
+net_ioctl(f, cmd, data)
+ struct open_file *f;
+ u_long cmd;
+ void *data;
+{
+ return EIO;
+}
+
+int
+net_strategy(devdata, rw, blk, size, buf, rsize)
+ void *devdata;
+ int rw;
+ daddr_t blk;
+ size_t size;
+ void *buf;
+ size_t *rsize;
+{
+ return EIO;
+}
+
+
+/*
+ * 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)
+ *
+ * The default is to use the Sun bootparams RPC
+ * (because that is what the kernel will do).
+ * MD code can make try_bootp initialied data,
+ * which will override this common definition.
+ */
+#ifdef SUPPORT_BOOTP
+int try_bootp;
+int bootp __P((int sock));
+#endif
+
+static int
+net_getparams(sock)
+ int sock;
+{
+ char buf[MAXHOSTNAMELEN];
+ n_long smask;
+#ifdef SUPPORT_BOOTP
+ /*
+ * Try to get boot info using BOOTP. If we succeed, then
+ * the server IP address, gateway, and root path will all
+ * be initialized. If any remain uninitialized, we will
+ * use RARP and RPC/bootparam (the Sun way) to get them.
+ */
+ if (try_bootp)
+ bootp(sock);
+ if (myip.s_addr != 0)
+ return (0);
+ if (debug)
+ printf("net_open: BOOTP failed, trying RARP/RPC...\n");
+#endif
+
+ /*
+ * Use RARP to get our IP address. This also sets our
+ * netmask to the "natural" default for our address.
+ */
+ if (rarp_getipaddress(sock)) {
+ printf("net_open: RARP failed\n");
+ return (EIO);
+ }
+ printf("net_open: client addr: %s\n", inet_ntoa(myip));
+
+ /* Get our hostname, server IP address, gateway. */
+ if (bp_whoami(sock)) {
+ printf("net_open: bootparam/whoami RPC failed\n");
+ return (EIO);
+ }
+ printf("net_open: client name: %s\n", hostname);
+
+ /*
+ * Ignore the gateway from whoami (unreliable).
+ * Use the "gateway" parameter instead.
+ */
+ smask = 0;
+ gateip.s_addr = 0;
+ if (bp_getfile(sock, "gateway", &gateip, buf))
+ printf("nfs_open: gateway bootparam missing\n");
+ else {
+ /* Got it! Parse the netmask. */
+ smask = inet_addr(buf);
+ }
+ if (smask) {
+ netmask = smask;
+ printf("net_open: subnet mask: %s\n", intoa(netmask));
+ }
+ if (gateip.s_addr)
+ printf("net_open: net gateway: %s\n", inet_ntoa(gateip));
+
+ /* Get the root server and pathname. */
+ if (bp_getfile(sock, "root", &rootip, rootpath)) {
+ printf("net_open: bootparam/getfile RPC failed\n");
+ return (EIO);
+ }
+
+ printf("net_open: server addr: %s\n", inet_ntoa(rootip));
+ printf("net_open: server path: %s\n", rootpath);
+
+ return (0);
+}
diff -r d6d9c467c462 -r 61c2b036ba57 sys/arch/i386/stand/pxeboot/dev_net.h
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/arch/i386/stand/pxeboot/dev_net.h Sat Feb 16 16:26:24 2002 +0000
@@ -0,0 +1,6 @@
+/* $NetBSD: dev_net.h,v 1.1.2.2 2002/02/16 16:26:24 thorpej Exp $ */
+
+int net_open __P((struct open_file *, ...));
+int net_close __P((struct open_file *));
+int net_ioctl __P((struct open_file *, u_long, void *));
+int net_strategy __P((void *, int , daddr_t , size_t, void *, size_t *));
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