/* * This program 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. * * Copyright (C) 1996 Mike Shaver (shaver@zeroknowledge.com) */ #include <linux/mm.h> #include <linux/slab.h> #include <linux/sysctl.h> #include <linux/spinlock.h> #include <net/ax25.h> static int min_ipdefmode[1], max_ipdefmode[] = {1}; static int min_axdefmode[1], max_axdefmode[] = {1}; static int min_backoff[1], max_backoff[] = {2}; static int min_conmode[1], max_conmode[] = {2}; static int min_window[] = {1}, max_window[] = {7}; static int min_ewindow[] = {1}, max_ewindow[] = {63}; static int min_t1[] = {1}, max_t1[] = {30000}; static int min_t2[] = {1}, max_t2[] = {20000}; static int min_t3[1], max_t3[] = {3600000}; static int min_idle[1], max_idle[] = {65535000}; static int min_n2[] = {1}, max_n2[] = {31}; static int min_paclen[] = {1}, max_paclen[] = {512}; static int min_proto[1], max_proto[] = { AX25_PROTO_MAX }; #ifdef CONFIG_AX25_DAMA_SLAVE static int min_ds_timeout[1], max_ds_timeout[] = {65535000}; #endif static const struct ctl_table ax25_param_table[] = { { .procname = "ip_default_mode", .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec_minmax, .extra1 = &min_ipdefmode, .extra2 = &max_ipdefmode }, { .procname = "ax25_default_mode", .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec_minmax, .extra1 = &min_axdefmode, .extra2 = &max_axdefmode }, { .procname = "backoff_type", .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec_minmax, .extra1 = &min_backoff, .extra2 = &max_backoff }, { .procname = "connect_mode", .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec_minmax, .extra1 = &min_conmode, .extra2 = &max_conmode }, { .procname = "standard_window_size", .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec_minmax, .extra1 = &min_window, .extra2 = &max_window }, { .procname = "extended_window_size", .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec_minmax, .extra1 = &min_ewindow, .extra2 = &max_ewindow }, { .procname = "t1_timeout", .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec_minmax, .extra1 = &min_t1, .extra2 = &max_t1 }, { .procname = "t2_timeout", .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec_minmax, .extra1 = &min_t2, .extra2 = &max_t2 }, { .procname = "t3_timeout", .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec_minmax, .extra1 = &min_t3, .extra2 = &max_t3 }, { .procname = "idle_timeout", .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec_minmax, .extra1 = &min_idle, .extra2 = &max_idle }, { .procname = "maximum_retry_count", .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec_minmax, .extra1 = &min_n2, .extra2 = &max_n2 }, { .procname = "maximum_packet_length", .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec_minmax, .extra1 = &min_paclen, .extra2 = &max_paclen }, { .procname = "protocol", .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec_minmax, .extra1 = &min_proto, .extra2 = &max_proto }, #ifdef CONFIG_AX25_DAMA_SLAVE { .procname = "dama_slave_timeout", .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec_minmax, .extra1 = &min_ds_timeout, .extra2 = &max_ds_timeout }, #endif { } /* that's all, folks! */ }; int ax25_register_dev_sysctl(ax25_dev *ax25_dev) { char path[sizeof("net/ax25/") + IFNAMSIZ]; int k; struct ctl_table *table; table = kmemdup(ax25_param_table, sizeof(ax25_param_table), GFP_KERNEL); if (!table) return -ENOMEM; for (k = 0; k < AX25_MAX_VALUES; k++) table[k].data = &ax25_dev->values[k]; snprintf(path, sizeof(path), "net/ax25/%s", ax25_dev->dev->name); ax25_dev->sysheader = register_net_sysctl(&init_net, path, table); if (!ax25_dev->sysheader) { kfree(table); return -ENOMEM; } return 0; } void ax25_unregister_dev_sysctl(ax25_dev *ax25_dev) { struct ctl_table_header *header = ax25_dev->sysheader; struct ctl_table *table; if (header) { ax25_dev->sysheader = NULL; table = header->ctl_table_arg; unregister_net_sysctl_table(header); kfree(table); } }