diff options
Diffstat (limited to 'net/ax25/ax25_dev.c')
| -rw-r--r-- | net/ax25/ax25_dev.c | 213 |
1 files changed, 0 insertions, 213 deletions
diff --git a/net/ax25/ax25_dev.c b/net/ax25/ax25_dev.c deleted file mode 100644 index efeec64e0..000000000 --- a/net/ax25/ax25_dev.c +++ /dev/null @@ -1,213 +0,0 @@ -/* - * AX.25 release 037 - * - * This code REQUIRES 2.1.15 or higher/ NET3.038 - * - * This module: - * This module 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 of the License, or (at your option) any later version. - * - * Other kernels modules in this kit are generally BSD derived. See the copyright headers. - * - * - * History - * AX.25 036 Jonathan(G4KLX) Split from ax25_route.c. - */ - -#include <linux/config.h> -#include <linux/errno.h> -#include <linux/types.h> -#include <linux/socket.h> -#include <linux/in.h> -#include <linux/kernel.h> -#include <linux/sched.h> -#include <linux/timer.h> -#include <linux/string.h> -#include <linux/sockios.h> -#include <linux/net.h> -#include <net/ax25.h> -#include <linux/inet.h> -#include <linux/netdevice.h> -#include <linux/if_arp.h> -#include <linux/skbuff.h> -#include <net/sock.h> -#include <asm/uaccess.h> -#include <asm/system.h> -#include <linux/fcntl.h> -#include <linux/mm.h> -#include <linux/interrupt.h> -#include <linux/init.h> - -ax25_dev *ax25_dev_list; - -ax25_dev *ax25_dev_ax25dev(struct net_device *dev) -{ - ax25_dev *ax25_dev; - - for (ax25_dev = ax25_dev_list; ax25_dev != NULL; ax25_dev = ax25_dev->next) - if (ax25_dev->dev == dev) - return ax25_dev; - - return NULL; -} - -ax25_dev *ax25_addr_ax25dev(ax25_address *addr) -{ - ax25_dev *ax25_dev; - - for (ax25_dev = ax25_dev_list; ax25_dev != NULL; ax25_dev = ax25_dev->next) - if (ax25cmp(addr, (ax25_address *)ax25_dev->dev->dev_addr) == 0) - return ax25_dev; - - return NULL; -} - -/* - * This is called when an interface is brought up. These are - * reasonable defaults. - */ -void ax25_dev_device_up(struct net_device *dev) -{ - ax25_dev *ax25_dev; - unsigned long flags; - - if ((ax25_dev = kmalloc(sizeof(*ax25_dev), GFP_ATOMIC)) == NULL) { - printk(KERN_ERR "AX.25: ax25_dev_device_up - out of memory\n"); - return; - } - - ax25_unregister_sysctl(); - - memset(ax25_dev, 0x00, sizeof(*ax25_dev)); - - ax25_dev->dev = dev; - ax25_dev->forward = NULL; - - ax25_dev->values[AX25_VALUES_IPDEFMODE] = AX25_DEF_IPDEFMODE; - ax25_dev->values[AX25_VALUES_AXDEFMODE] = AX25_DEF_AXDEFMODE; - ax25_dev->values[AX25_VALUES_BACKOFF] = AX25_DEF_BACKOFF; - ax25_dev->values[AX25_VALUES_CONMODE] = AX25_DEF_CONMODE; - ax25_dev->values[AX25_VALUES_WINDOW] = AX25_DEF_WINDOW; - ax25_dev->values[AX25_VALUES_EWINDOW] = AX25_DEF_EWINDOW; - ax25_dev->values[AX25_VALUES_T1] = AX25_DEF_T1; - ax25_dev->values[AX25_VALUES_T2] = AX25_DEF_T2; - ax25_dev->values[AX25_VALUES_T3] = AX25_DEF_T3; - ax25_dev->values[AX25_VALUES_IDLE] = AX25_DEF_IDLE; - ax25_dev->values[AX25_VALUES_N2] = AX25_DEF_N2; - ax25_dev->values[AX25_VALUES_PACLEN] = AX25_DEF_PACLEN; - ax25_dev->values[AX25_VALUES_PROTOCOL] = AX25_DEF_PROTOCOL; - ax25_dev->values[AX25_VALUES_DS_TIMEOUT]= AX25_DEF_DS_TIMEOUT; - - save_flags(flags); cli(); - ax25_dev->next = ax25_dev_list; - ax25_dev_list = ax25_dev; - restore_flags(flags); - - ax25_register_sysctl(); -} - -void ax25_dev_device_down(struct net_device *dev) -{ - ax25_dev *s, *ax25_dev; - unsigned long flags; - - if ((ax25_dev = ax25_dev_ax25dev(dev)) == NULL) - return; - - ax25_unregister_sysctl(); - - save_flags(flags); cli(); - -#ifdef CONFIG_AX25_DAMA_SLAVE - ax25_ds_del_timer(ax25_dev); -#endif - - /* - * Remove any packet forwarding that points to this device. - */ - for (s = ax25_dev_list; s != NULL; s = s->next) - if (s->forward == dev) - s->forward = NULL; - - if ((s = ax25_dev_list) == ax25_dev) { - ax25_dev_list = s->next; - restore_flags(flags); - kfree(ax25_dev); - ax25_register_sysctl(); - return; - } - - while (s != NULL && s->next != NULL) { - if (s->next == ax25_dev) { - s->next = ax25_dev->next; - restore_flags(flags); - kfree(ax25_dev); - ax25_register_sysctl(); - return; - } - - s = s->next; - } - - restore_flags(flags); - ax25_register_sysctl(); -} - -int ax25_fwd_ioctl(unsigned int cmd, struct ax25_fwd_struct *fwd) -{ - ax25_dev *ax25_dev, *fwd_dev; - - if ((ax25_dev = ax25_addr_ax25dev(&fwd->port_from)) == NULL) - return -EINVAL; - - switch (cmd) { - case SIOCAX25ADDFWD: - if ((fwd_dev = ax25_addr_ax25dev(&fwd->port_to)) == NULL) - return -EINVAL; - if (ax25_dev->forward != NULL) - return -EINVAL; - ax25_dev->forward = fwd_dev->dev; - break; - - case SIOCAX25DELFWD: - if (ax25_dev->forward == NULL) - return -EINVAL; - ax25_dev->forward = NULL; - break; - - default: - return -EINVAL; - } - - return 0; -} - -struct net_device *ax25_fwd_dev(struct net_device *dev) -{ - ax25_dev *ax25_dev; - - if ((ax25_dev = ax25_dev_ax25dev(dev)) == NULL) - return dev; - - if (ax25_dev->forward == NULL) - return dev; - - return ax25_dev->forward; -} - -/* - * Free all memory associated with device structures. - */ -void __exit ax25_dev_free(void) -{ - ax25_dev *s, *ax25_dev = ax25_dev_list; - - while (ax25_dev != NULL) { - s = ax25_dev; - ax25_dev = ax25_dev->next; - - kfree(s); - } -} |