diff options
Diffstat (limited to 'sys/arch/macppc/stand/net.c')
| -rw-r--r-- | sys/arch/macppc/stand/net.c | 153 |
1 files changed, 153 insertions, 0 deletions
diff --git a/sys/arch/macppc/stand/net.c b/sys/arch/macppc/stand/net.c new file mode 100644 index 00000000000..22b1618d6bc --- /dev/null +++ b/sys/arch/macppc/stand/net.c @@ -0,0 +1,153 @@ +/* $OpenBSD: net.c,v 1.1 2001/09/01 15:39:02 drahn Exp $ */ +/* $NetBSD: net.c,v 1.1 1997/04/16 20:29:18 thorpej Exp $ */ + +/* + * Copyright (C) 1995 Wolfgang Solfrank. + * Copyright (C) 1995 TooLs GmbH. + * 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. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by TooLs GmbH. + * 4. The name of TooLs GmbH may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``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 TOOLS GMBH 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() + * BOOTP - bootp() + * RPC/mountd - nfs_mount() + * + * The root file handle from mountd is saved in a global + * for use by the NFS open code (NFS/lookup). + * + * Note: this is based in part on sys/arch/sparc/stand/net.c + */ + +#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 <lib/libsa/stand.h> +#include <lib/libsa/net.h> +#include <lib/libsa/netif.h> + +char rootpath[FNAME_SIZE]; + +static 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(op) + struct of_dev *op; +{ + int error = 0; + + /* + * On first open, do netif open, mount, etc. + */ + if (open_count == 0) { + /* Find network interface. */ + if ((netdev_sock = netif_open(op)) < 0) { + error = errno; + goto bad; + } + if ((error = net_mountroot()) != 0) + goto bad; + } + open_count++; +bad: + if (netdev_sock >= 0 && open_count == 0) { + netif_close(netdev_sock); + netdev_sock = -1; + } + return error; +} + +int +net_close(op) + struct of_dev *op; +{ + /* + * On last close, do netif close, etc. + */ + if (open_count > 0) + if (--open_count == 0) { + netif_close(netdev_sock); + netdev_sock = -1; + } +} + +int +net_mountroot() +{ + +#ifdef DEBUG + printf("net_mountroot\n"); +#endif + + /* + * Get info for NFS boot: our IP address, out hostname, + * server IP address, and our root path on the server. + * We use BOOTP (RFC951, RFC1532) exclusively as mandated + * by PowerPC Reference Platform Specification I.4.2 + */ + + bootp(netdev_sock); + + if (myip.s_addr == 0) + return ETIMEDOUT; + + printf("Using IP address: %s\n", inet_ntoa(myip)); + +#ifdef DEBUG + printf("myip: %s (%s)", hostname, inet_ntoa(myip)); + if (gateip.s_addr) + 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; +} |