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181 lines
4.3 KiB
181 lines
4.3 KiB
// SPDX-License-Identifier: GPL-2.0-or-later |
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/* |
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* |
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* Copyright (C) 1996 Mike Shaver ([email protected]) |
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*/ |
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#include <linux/mm.h> |
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#include <linux/slab.h> |
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#include <linux/sysctl.h> |
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#include <linux/spinlock.h> |
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#include <net/ax25.h> |
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static int min_ipdefmode[1], max_ipdefmode[] = {1}; |
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static int min_axdefmode[1], max_axdefmode[] = {1}; |
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static int min_backoff[1], max_backoff[] = {2}; |
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static int min_conmode[1], max_conmode[] = {2}; |
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static int min_window[] = {1}, max_window[] = {7}; |
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static int min_ewindow[] = {1}, max_ewindow[] = {63}; |
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static int min_t1[] = {1}, max_t1[] = {30000}; |
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static int min_t2[] = {1}, max_t2[] = {20000}; |
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static int min_t3[1], max_t3[] = {3600000}; |
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static int min_idle[1], max_idle[] = {65535000}; |
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static int min_n2[] = {1}, max_n2[] = {31}; |
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static int min_paclen[] = {1}, max_paclen[] = {512}; |
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static int min_proto[1], max_proto[] = { AX25_PROTO_MAX }; |
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#ifdef CONFIG_AX25_DAMA_SLAVE |
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static int min_ds_timeout[1], max_ds_timeout[] = {65535000}; |
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#endif |
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static const struct ctl_table ax25_param_table[] = { |
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{ |
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.procname = "ip_default_mode", |
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.maxlen = sizeof(int), |
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.mode = 0644, |
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.proc_handler = proc_dointvec_minmax, |
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.extra1 = &min_ipdefmode, |
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.extra2 = &max_ipdefmode |
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}, |
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{ |
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.procname = "ax25_default_mode", |
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.maxlen = sizeof(int), |
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.mode = 0644, |
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.proc_handler = proc_dointvec_minmax, |
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.extra1 = &min_axdefmode, |
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.extra2 = &max_axdefmode |
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}, |
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{ |
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.procname = "backoff_type", |
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.maxlen = sizeof(int), |
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.mode = 0644, |
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.proc_handler = proc_dointvec_minmax, |
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.extra1 = &min_backoff, |
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.extra2 = &max_backoff |
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}, |
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{ |
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.procname = "connect_mode", |
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.maxlen = sizeof(int), |
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.mode = 0644, |
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.proc_handler = proc_dointvec_minmax, |
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.extra1 = &min_conmode, |
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.extra2 = &max_conmode |
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}, |
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{ |
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.procname = "standard_window_size", |
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.maxlen = sizeof(int), |
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.mode = 0644, |
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.proc_handler = proc_dointvec_minmax, |
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.extra1 = &min_window, |
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.extra2 = &max_window |
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}, |
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{ |
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.procname = "extended_window_size", |
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.maxlen = sizeof(int), |
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.mode = 0644, |
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.proc_handler = proc_dointvec_minmax, |
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.extra1 = &min_ewindow, |
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.extra2 = &max_ewindow |
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}, |
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{ |
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.procname = "t1_timeout", |
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.maxlen = sizeof(int), |
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.mode = 0644, |
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.proc_handler = proc_dointvec_minmax, |
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.extra1 = &min_t1, |
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.extra2 = &max_t1 |
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}, |
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{ |
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.procname = "t2_timeout", |
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.maxlen = sizeof(int), |
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.mode = 0644, |
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.proc_handler = proc_dointvec_minmax, |
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.extra1 = &min_t2, |
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.extra2 = &max_t2 |
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}, |
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{ |
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.procname = "t3_timeout", |
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.maxlen = sizeof(int), |
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.mode = 0644, |
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.proc_handler = proc_dointvec_minmax, |
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.extra1 = &min_t3, |
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.extra2 = &max_t3 |
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}, |
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{ |
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.procname = "idle_timeout", |
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.maxlen = sizeof(int), |
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.mode = 0644, |
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.proc_handler = proc_dointvec_minmax, |
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.extra1 = &min_idle, |
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.extra2 = &max_idle |
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}, |
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{ |
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.procname = "maximum_retry_count", |
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.maxlen = sizeof(int), |
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.mode = 0644, |
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.proc_handler = proc_dointvec_minmax, |
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.extra1 = &min_n2, |
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.extra2 = &max_n2 |
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}, |
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{ |
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.procname = "maximum_packet_length", |
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.maxlen = sizeof(int), |
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.mode = 0644, |
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.proc_handler = proc_dointvec_minmax, |
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.extra1 = &min_paclen, |
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.extra2 = &max_paclen |
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}, |
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{ |
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.procname = "protocol", |
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.maxlen = sizeof(int), |
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.mode = 0644, |
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.proc_handler = proc_dointvec_minmax, |
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.extra1 = &min_proto, |
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.extra2 = &max_proto |
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}, |
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#ifdef CONFIG_AX25_DAMA_SLAVE |
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{ |
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.procname = "dama_slave_timeout", |
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.maxlen = sizeof(int), |
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.mode = 0644, |
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.proc_handler = proc_dointvec_minmax, |
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.extra1 = &min_ds_timeout, |
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.extra2 = &max_ds_timeout |
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}, |
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#endif |
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{ } /* that's all, folks! */ |
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}; |
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int ax25_register_dev_sysctl(ax25_dev *ax25_dev) |
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{ |
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char path[sizeof("net/ax25/") + IFNAMSIZ]; |
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int k; |
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struct ctl_table *table; |
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table = kmemdup(ax25_param_table, sizeof(ax25_param_table), GFP_KERNEL); |
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if (!table) |
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return -ENOMEM; |
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for (k = 0; k < AX25_MAX_VALUES; k++) |
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table[k].data = &ax25_dev->values[k]; |
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snprintf(path, sizeof(path), "net/ax25/%s", ax25_dev->dev->name); |
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ax25_dev->sysheader = register_net_sysctl(&init_net, path, table); |
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if (!ax25_dev->sysheader) { |
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kfree(table); |
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return -ENOMEM; |
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} |
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return 0; |
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} |
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void ax25_unregister_dev_sysctl(ax25_dev *ax25_dev) |
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{ |
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struct ctl_table_header *header = ax25_dev->sysheader; |
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struct ctl_table *table; |
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if (header) { |
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ax25_dev->sysheader = NULL; |
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table = header->ctl_table_arg; |
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unregister_net_sysctl_table(header); |
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kfree(table); |
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} |
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}
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