/***
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*
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* rtmac/nomac/nomac_module.c
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*
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* RTmac - real-time networking media access control subsystem
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* Copyright (C) 2002 Marc Kleine-Budde <kleine-budde@gmx.de>,
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* 2003, 2004 Jan Kiszka <Jan.Kiszka@web.de>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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*/
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#include <linux/init.h>
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#include <linux/module.h>
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#include <rtdm/driver.h>
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#include <rtmac/rtmac_vnic.h>
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#include <rtmac/nomac/nomac.h>
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#include <rtmac/nomac/nomac_dev.h>
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#include <rtmac/nomac/nomac_ioctl.h>
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#include <rtmac/nomac/nomac_proto.h>
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#ifdef CONFIG_XENO_OPT_VFILE
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LIST_HEAD(nomac_devices);
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DEFINE_MUTEX(nomac_nrt_lock);
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int nomac_proc_read(struct xnvfile_regular_iterator *it, void *data)
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{
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struct nomac_priv *entry;
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mutex_lock(&nomac_nrt_lock);
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xnvfile_printf(it, "Interface API Device State\n");
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list_for_each_entry (entry, &nomac_devices, list_entry)
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xnvfile_printf(it, "%-15s %-15s Attached\n", entry->rtdev->name,
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entry->api_device.name);
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mutex_unlock(&nomac_nrt_lock);
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return 0;
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}
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#endif /* CONFIG_XENO_OPT_VFILE */
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int nomac_attach(struct rtnet_device *rtdev, void *priv)
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{
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struct nomac_priv *nomac = (struct nomac_priv *)priv;
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int ret;
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nomac->magic = NOMAC_MAGIC;
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nomac->rtdev = rtdev;
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/* ... */
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ret = nomac_dev_init(rtdev, nomac);
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if (ret < 0)
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return ret;
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#ifdef CONFIG_XENO_OPT_VFILE
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mutex_lock(&nomac_nrt_lock);
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list_add(&nomac->list_entry, &nomac_devices);
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mutex_unlock(&nomac_nrt_lock);
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#endif /* CONFIG_XENO_OPT_VFILE */
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return 0;
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}
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int nomac_detach(struct rtnet_device *rtdev, void *priv)
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{
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struct nomac_priv *nomac = (struct nomac_priv *)priv;
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nomac_dev_release(nomac);
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/* ... */
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#ifdef CONFIG_XENO_OPT_VFILE
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mutex_lock(&nomac_nrt_lock);
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list_del(&nomac->list_entry);
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mutex_unlock(&nomac_nrt_lock);
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#endif /* CONFIG_XENO_OPT_VFILE */
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return 0;
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}
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#ifdef CONFIG_XENO_OPT_VFILE
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struct rtmac_proc_entry nomac_proc_entries[] = {
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{ name: "nomac", handler: nomac_proc_read },
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};
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#endif /* CONFIG_XENO_OPT_VFILE */
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struct rtmac_disc nomac_disc = {
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name: "NoMAC",
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priv_size: sizeof(struct nomac_priv),
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disc_type: __constant_htons(RTMAC_TYPE_NOMAC),
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packet_rx: nomac_packet_rx,
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rt_packet_tx: nomac_rt_packet_tx,
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nrt_packet_tx: nomac_nrt_packet_tx,
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get_mtu: NULL,
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vnic_xmit: RTMAC_DEFAULT_VNIC,
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attach: nomac_attach,
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detach: nomac_detach,
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ioctls: {
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service_name: "RTmac/NoMAC",
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ioctl_type: RTNET_IOC_TYPE_RTMAC_NOMAC,
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handler: nomac_ioctl
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},
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#ifdef CONFIG_XENO_OPT_VFILE
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proc_entries: nomac_proc_entries,
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nr_proc_entries: ARRAY_SIZE(nomac_proc_entries),
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#endif /* CONFIG_XENO_OPT_VFILE */
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};
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int __init nomac_init(void)
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{
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int ret;
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printk("RTmac/NoMAC: init void media access control mechanism\n");
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ret = nomac_proto_init();
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if (ret < 0)
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return ret;
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ret = rtmac_disc_register(&nomac_disc);
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if (ret < 0) {
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nomac_proto_cleanup();
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return ret;
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}
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return 0;
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}
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void nomac_release(void)
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{
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rtmac_disc_deregister(&nomac_disc);
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nomac_proto_cleanup();
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printk("RTmac/NoMAC: unloaded\n");
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}
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module_init(nomac_init);
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module_exit(nomac_release);
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MODULE_AUTHOR("Jan Kiszka");
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MODULE_LICENSE("GPL");
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