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Diffstat (limited to 'eth-multiplexer/device_impl.c')
-rw-r--r--eth-multiplexer/device_impl.c284
1 files changed, 0 insertions, 284 deletions
diff --git a/eth-multiplexer/device_impl.c b/eth-multiplexer/device_impl.c
deleted file mode 100644
index 953fca70..00000000
--- a/eth-multiplexer/device_impl.c
+++ /dev/null
@@ -1,284 +0,0 @@
-/*
- Copyright (C) 2008 Free Software Foundation, Inc.
- Written by Zheng Da.
-
- 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 the GNU Hurd; see the file COPYING. If not, write to
- the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
-
-#include <fcntl.h>
-#include <mach.h>
-#include <hurd.h>
-#include <hurd/ports.h>
-#include <hurd/netfs.h>
-#include <device/device.h>
-
-#include "ethernet.h"
-#include "vdev.h"
-#include "ourdevice_S.h"
-#include "notify_S.h"
-#include "bpf_impl.h"
-#include "netfs_impl.h"
-#include "util.h"
-
-extern struct port_bucket *port_bucket;
-extern struct port_class *vdev_portclass;
-extern struct port_class *other_portclass;
-extern struct port_info *notify_pi;
-
-/* Implementation of device interface */
-kern_return_t
-ds_xxx_device_set_status (device_t device, dev_flavor_t flavor,
- dev_status_t status, size_t statu_cnt)
-{
- struct vether_device *vdev = ports_lookup_port (port_bucket, device,
- vdev_portclass);
- if (vdev == NULL)
- return D_NO_SUCH_DEVICE;
- ports_port_deref (vdev);
- return D_INVALID_OPERATION;
-}
-
-kern_return_t
-ds_xxx_device_get_status (device_t device, dev_flavor_t flavor,
- dev_status_t status, size_t *statuscnt)
-{
- struct vether_device *vdev = ports_lookup_port (port_bucket, device,
- vdev_portclass);
- if (vdev == NULL)
- return D_NO_SUCH_DEVICE;
- ports_port_deref (vdev);
- return D_INVALID_OPERATION;
-}
-
-kern_return_t
-ds_xxx_device_set_filter (device_t device, mach_port_t rec,
- int pri, filter_array_t filt, size_t len)
-{
- struct vether_device *vdev = ports_lookup_port (port_bucket, device,
- vdev_portclass);
- if (vdev == NULL)
- return D_NO_SUCH_DEVICE;
- ports_port_deref (vdev);
- return D_INVALID_OPERATION;
-}
-
-/*
- * This function is currently running in the multithread environment,
- * it should be protected by locks.
- */
-kern_return_t
-ds_device_open (mach_port_t master_port, mach_port_t reply_port,
- mach_msg_type_name_t reply_portPoly,
- dev_mode_t mode, dev_name_t name, mach_port_t *device,
- mach_msg_type_name_t *devicetype)
-{
- struct vether_device *dev;
- int openstat;
- int right_mode = 1;
- struct protid *pi = ports_lookup_port (netfs_port_bucket, master_port, 0);
- if (pi == NULL)
- return D_NO_SUCH_DEVICE;
-
- /* If the virtual device hasn't been created yet,
- * create it now. */
- if (pi->po->np->nn->ln == NULL)
- {
- extern struct port_bucket *port_bucket;
- extern struct port_class *vdev_portclass;
- extern struct stat underlying_node_stat;
- static int ino_count = 0;
- /* Create a new light node (virtual device). */
- struct lnode *ln = (struct lnode *) add_vdev (pi->po->np->nn->name,
- sizeof (*ln),
- vdev_portclass,
- port_bucket);
- if (ln == NULL)
- {
- ports_port_deref (pi);
- return D_NO_MEMORY;
- }
- memset (&ln->st, 0, sizeof (ln->st));
- ln->st.st_ino = ++ino_count;
- ln->st.st_mode = S_IFCHR | (underlying_node_stat.st_mode & ~S_IFMT);
- ln->st.st_ctime = ln->st.st_mtime = ln->st.st_atime = time (NULL);
- fshelp_touch (&ln->st, TOUCH_ATIME|TOUCH_MTIME|TOUCH_CTIME,
- multiplexer_maptime);
- pi->po->np->nn->ln = ln;
- }
-
- dev = (struct vether_device *) pi->po->np->nn->ln;
- /* check the mode */
- openstat = pi->po->openstat;
- if (mode & D_READ && !(openstat & O_READ))
- right_mode = 0;
- if (mode & D_WRITE && !(openstat & O_WRITE))
- right_mode = 0;
- ports_port_deref (pi);
-
- if (dev)
- {
- if (!right_mode)
- return EBADF;
- *device = dev->dev_port;
- *devicetype = MACH_MSG_TYPE_MAKE_SEND;
- return 0;
- }
- return D_NO_SUCH_DEVICE;
-}
-
-kern_return_t
-ds_device_close (device_t device)
-{
- return 0;
-}
-
-kern_return_t
-ds_device_write (device_t device, mach_port_t reply_port,
- mach_msg_type_name_t reply_type, dev_mode_t mode,
- recnum_t recnum, io_buf_ptr_t data, size_t datalen,
- int *bytes_written)
-{
- kern_return_t ret = 0;
- struct vether_device *vdev = ports_lookup_port (port_bucket, device,
- vdev_portclass);
- if (vdev == NULL)
- {
- vm_deallocate (mach_task_self (), data, datalen);
- return D_NO_SUCH_DEVICE;
- }
- /* The packet is forwarded to all virtual interfaces and
- * the interface which the multiplexer connects to. */
- broadcast_pack (data, datalen, vdev);
- *bytes_written = datalen;
- if(ether_port != MACH_PORT_NULL)
- ret = device_write (ether_port, mode , recnum ,
- data, datalen, bytes_written);
- /* The data in device_write() is transmifered out of line,
- * so the server-side function has to deallocate it. */
- vm_deallocate (mach_task_self (), data, datalen);
- ports_port_deref (vdev);
- return ret;
-}
-
-kern_return_t
-ds_device_write_inband (device_t device, mach_port_t reply_port,
- mach_msg_type_name_t reply_type, dev_mode_t mode,
- recnum_t recnum, io_buf_ptr_inband_t data,
- size_t datalen, int *bytes_written)
-{
- struct vether_device *vdev = ports_lookup_port (port_bucket, device,
- vdev_portclass);
- if (vdev == NULL)
- return D_NO_SUCH_DEVICE;
- ports_port_deref (vdev);
- return D_INVALID_OPERATION;
-}
-
-kern_return_t
-ds_device_read (device_t device, mach_port_t reply_port,
- mach_msg_type_name_t reply_type, dev_mode_t mode,
- recnum_t recnum, int bytes_wanted,
- io_buf_ptr_t *data, size_t *datalen)
-{
- struct vether_device *vdev = ports_lookup_port (port_bucket, device,
- vdev_portclass);
- if (vdev == NULL)
- return D_NO_SUCH_DEVICE;
- ports_port_deref (vdev);
- return D_INVALID_OPERATION;
-}
-
-kern_return_t
-ds_device_read_inband (device_t device, mach_port_t reply_port,
- mach_msg_type_name_t reply_type, dev_mode_t mode,
- recnum_t recnum, int bytes_wanted,
- io_buf_ptr_inband_t data, size_t *datalen)
-{
- struct vether_device *vdev = ports_lookup_port (port_bucket, device,
- vdev_portclass);
- if (vdev == NULL)
- return D_NO_SUCH_DEVICE;
- ports_port_deref (vdev);
- return D_INVALID_OPERATION;
-}
-
-kern_return_t
-ds_device_map (device_t device, vm_prot_t prot, vm_offset_t offset,
- vm_size_t size, memory_object_t *pager, int unmap)
-{
- struct vether_device *vdev = ports_lookup_port (port_bucket, device,
- vdev_portclass);
- if (vdev == NULL)
- return D_NO_SUCH_DEVICE;
- ports_port_deref (vdev);
- return D_INVALID_OPERATION;
-}
-
-kern_return_t
-ds_device_set_status (device_t device, dev_flavor_t flavor,
- dev_status_t status, size_t statuslen)
-{
- struct vether_device *vdev = ports_lookup_port (port_bucket, device,
- vdev_portclass);
- if (vdev == NULL)
- return D_NO_SUCH_DEVICE;
- ports_port_deref (vdev);
- return D_INVALID_OPERATION;
-}
-
-kern_return_t
-ds_device_get_status (device_t device, dev_flavor_t flavor,
- dev_status_t status, size_t *statuslen)
-{
- extern io_return_t dev_getstat (struct vether_device *, dev_flavor_t,
- dev_status_t, natural_t *);
- kern_return_t ret = 0;
- struct vether_device *vdev = ports_lookup_port (port_bucket, device,
- vdev_portclass);
- if (vdev == NULL)
- return D_NO_SUCH_DEVICE;
- if(ether_port != MACH_PORT_NULL)
- ret = device_get_status (ether_port, flavor, status, statuslen);
- else
- ret = dev_getstat (vdev, flavor, status, statuslen);
- ports_port_deref (vdev);
- return ret;
-}
-
-kern_return_t
-ds_device_set_filter (device_t device, mach_port_t receive_port,
- int priority, filter_array_t filter, size_t filterlen)
-{
- mach_port_t tmp;
- kern_return_t err;
- struct vether_device *vdev = ports_lookup_port (port_bucket, device,
- vdev_portclass);
- if (vdev == NULL)
- return D_NO_SUCH_DEVICE;
- err = mach_port_request_notification (mach_task_self (), receive_port,
- MACH_NOTIFY_DEAD_NAME, 0,
- ports_get_right (notify_pi),
- MACH_MSG_TYPE_MAKE_SEND_ONCE, &tmp);
- if (err != KERN_SUCCESS)
- goto out;
- if (tmp != MACH_PORT_NULL)
- mach_port_deallocate (mach_task_self (), tmp);
- err = net_set_filter (&vdev->port_list, receive_port,
- priority, filter, filterlen);
-out:
- ports_port_deref (vdev);
- return err;
-}
generated by cgit v1.2.3 (git 2.46.0) at 2025-04-07 17:07:16 +0000