diff options
Diffstat (limited to 'pfinet')
| -rw-r--r-- | pfinet/ChangeLog | 10 | ||||
| -rw-r--r-- | pfinet/Makefile | 2 | ||||
| -rw-r--r-- | pfinet/loopback.c | 93 | ||||
| -rw-r--r-- | pfinet/main.c | 2 | ||||
| -rw-r--r-- | pfinet/pfinet.h | 4 |
5 files changed, 110 insertions, 1 deletions
diff --git a/pfinet/ChangeLog b/pfinet/ChangeLog index ae4d44fd..f2b16762 100644 --- a/pfinet/ChangeLog +++ b/pfinet/ChangeLog @@ -1,3 +1,13 @@ +Thu Oct 24 22:38:55 1996 Thomas Bushnell, n/BSG <thomas@gnu.ai.mit.edu> + + * main.c (main): Call setup_loopback_device before parsing args + (and thus before the ethernet device shows up). + * loopback.c: New file. + * Makefile (SRCS): Add loopback.c. + * pfinet.h (loopback_dev): New variable. + + * pfinet.h (ip_rt_del): New prototype. + Thu Sep 12 16:47:24 1996 Thomas Bushnell, n/BSG <thomas@gnu.ai.mit.edu> * Makefile (HURDLIBS): New variable. diff --git a/pfinet/Makefile b/pfinet/Makefile index b4023be9..6c4a8c8b 100644 --- a/pfinet/Makefile +++ b/pfinet/Makefile @@ -26,7 +26,7 @@ LINUXSRCS= af_inet.c arp.c datagram.c dev.c dev_mcast.c devinet.c eth.c \ tcp.c timer.c udp.c utils.c UNUSEDSRC = packet.c ipx.c ip_fw.c p8022.c p8023.c pe2.c psnap.c rarp.c SRCS = sched.c timer-emul.c devices.c socket.c main.c ethernet.c \ - io-ops.c socket-ops.c misc.c time.c options.c + io-ops.c socket-ops.c misc.c time.c options.c loopback.c MIGSRCS = ioServer.c socketServer.c startup_notifyServer.c OBJS= $(subst .c,.o,$(LINUXSRCS) $(SRCS) $(MIGSRCS)) LCLHDRS= config.h mapped-time.h mutations.h pfinet.h diff --git a/pfinet/loopback.c b/pfinet/loopback.c new file mode 100644 index 00000000..78cdfdf3 --- /dev/null +++ b/pfinet/loopback.c @@ -0,0 +1,93 @@ +/* Loopback "device" for pfinet + Copyright (C) 1996 Free Software Foundation, Inc. + Written by Thomas Bushnell, n/BSG. + + This file is part of the GNU Hurd. + + The GNU Hurd is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2, or (at + your option) any later version. + + The GNU Hurd is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA. */ + +#include <linux/netdevice.h> +#include <netinet/in.h> +#include <arpa/inet.h> + +#include "pfinet.h" + +struct device loopback_dev; + +int +loopback_xmit (struct sk_buff *skb, struct device *dev) +{ + int done; + + if (!skb || !dev) + return 0; + + if (dev->tbusy) + return 1; + + dev->tbusy; + + done = dev_rint (skb->data, skb->len, 0, dev); + dev_kfree_skb (skb, FREE_WRITE); + + while (done != 1) + done = dev_rint (0, 0, 0, dev); + + dev->tbusy = 0; + return 0; +} + + +void +setup_loopback_device (char *name) +{ + int i; + + loopback_dev.name = name; + for (i = 0; i < DEV_NUMBUFFS; i++) + skb_queue_head_init (&loopback_dev.buffs[i]); + + loopback_dev.open = 0; + loopback_dev.stop = 0; + loopback_dev.hard_start_xmit = loopback_xmit; + loopback_dev.hard_header = 0; + loopback_dev.rebuild_header = 0; + loopback_dev.type_trans = 0; + loopback_dev.get_stats = 0; + loopback_dev.set_multicast_list = 0; + + loopback_dev.type = 0; + loopback_dev.addr_len = 0; + loopback_dev.flags = IFF_LOOPBACK | IFF_BROADCAST; + loopback_dev.family = AF_INET; + + loopback_dev.mtu = 2000; + + /* Defaults */ + loopback_dev.pa_addr = inet_addr ("127.0.0.1"); + loopback_dev.pa_brdaddr = inet_addr ("127.255.255.255"); + loopback_dev.pa_mask = inet_addr ("255.0.0.0"); + loopback_dev.pa_alen = sizeof (unsigned long); + + loopback_dev.next = dev_base; + dev_base = &loopback_dev; + + /* Add the route */ + ip_rt_add (RTF_HOST, loopback_dev.pa_addr, 0xffffffff, 0, &loopback_dev, + loopback_dev.mtu, 0); +} + + + diff --git a/pfinet/main.c b/pfinet/main.c index 0df713e4..64c8a664 100644 --- a/pfinet/main.c +++ b/pfinet/main.c @@ -210,6 +210,8 @@ main (int argc, arrange_shutdown_notification (); + setup_loopback_device ("loopback"); + /* Parse options. */ argp_parse (&pfinet_argp, argc, argv, 0,0,0); diff --git a/pfinet/pfinet.h b/pfinet/pfinet.h index 966a4e8d..b4ed61ec 100644 --- a/pfinet/pfinet.h +++ b/pfinet/pfinet.h @@ -42,6 +42,7 @@ struct port_class *socketport_class; mach_port_t fsys_identity; extern struct device ether_dev; +extern struct device loopback_dev; /* A port on SOCK. Multiple sock_user's can point to the same socket. */ struct sock_user @@ -59,6 +60,8 @@ struct sock_addr struct sockaddr address[0]; }; +void setup_loopback_device (char *); + int ethernet_demuxer (mach_msg_header_t *, mach_msg_header_t *); void setup_ethernet_device (char *); void become_task_protid (struct trivfs_protid *); @@ -71,6 +74,7 @@ void init_time (void); void inet_proto_init (struct net_proto *); void ip_rt_add (short, u_long, u_long, u_long, struct device *, u_short, u_long); +void ip_rt_del (u_long, struct device *); int tcp_readable (struct sock *); |