/* -*- linux-c -*-
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/* -*- linux-c -*-
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* sysctl_net_ax25.c: sysctl interface to net AX.25 subsystem.
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* sysctl_net_ax25.c: sysctl interface to net AX.25 subsystem.
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*
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*
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* Begun April 1, 1996, Mike Shaver.
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* Begun April 1, 1996, Mike Shaver.
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* Added /proc/sys/net/ax25 directory entry (empty =) ). [MS]
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* Added /proc/sys/net/ax25 directory entry (empty =) ). [MS]
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*/
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*/
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#include <linux/config.h>
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#include <linux/config.h>
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#include <linux/mm.h>
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#include <linux/mm.h>
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#include <linux/sysctl.h>
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#include <linux/sysctl.h>
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#include <net/ax25.h>
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#include <net/ax25.h>
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static int min_ipdefmode[] = {0}, max_ipdefmode[] = {1};
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static int min_ipdefmode[] = {0}, max_ipdefmode[] = {1};
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static int min_axdefmode[] = {0}, max_axdefmode[] = {1};
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static int min_axdefmode[] = {0}, max_axdefmode[] = {1};
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static int min_backoff[] = {0}, max_backoff[] = {2};
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static int min_backoff[] = {0}, max_backoff[] = {2};
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static int min_conmode[] = {0}, max_conmode[] = {2};
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static int min_conmode[] = {0}, max_conmode[] = {2};
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static int min_window[] = {1}, max_window[] = {7};
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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_ewindow[] = {1}, max_ewindow[] = {63};
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static int min_t1[] = {1}, max_t1[] = {30 * HZ};
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static int min_t1[] = {1}, max_t1[] = {30 * HZ};
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static int min_t2[] = {1}, max_t2[] = {20 * HZ};
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static int min_t2[] = {1}, max_t2[] = {20 * HZ};
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static int min_t3[] = {0}, max_t3[] = {3600 * HZ};
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static int min_t3[] = {0}, max_t3[] = {3600 * HZ};
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static int min_idle[] = {0}, max_idle[] = {65535 * HZ};
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static int min_idle[] = {0}, max_idle[] = {65535 * HZ};
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static int min_n2[] = {1}, max_n2[] = {31};
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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_paclen[] = {1}, max_paclen[] = {512};
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static int min_proto[] = {0}, max_proto[] = {3};
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static int min_proto[] = {0}, max_proto[] = {3};
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static int min_ds_timeout[] = {0}, max_ds_timeout[] = {65535 * HZ};
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static int min_ds_timeout[] = {0}, max_ds_timeout[] = {65535 * HZ};
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static struct ctl_table_header *ax25_table_header;
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static struct ctl_table_header *ax25_table_header;
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static ctl_table *ax25_table;
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static ctl_table *ax25_table;
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static int ax25_table_size;
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static int ax25_table_size;
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static ctl_table ax25_dir_table[] = {
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static ctl_table ax25_dir_table[] = {
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{NET_AX25, "ax25", NULL, 0, 0555, NULL},
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{NET_AX25, "ax25", NULL, 0, 0555, NULL},
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{0}
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{0}
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};
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};
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static ctl_table ax25_root_table[] = {
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static ctl_table ax25_root_table[] = {
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{CTL_NET, "net", NULL, 0, 0555, ax25_dir_table},
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{CTL_NET, "net", NULL, 0, 0555, ax25_dir_table},
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{0}
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{0}
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};
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};
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static const ctl_table ax25_param_table[] = {
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static const ctl_table ax25_param_table[] = {
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{NET_AX25_IP_DEFAULT_MODE, "ip_default_mode",
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{NET_AX25_IP_DEFAULT_MODE, "ip_default_mode",
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NULL, sizeof(int), 0644, NULL,
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NULL, sizeof(int), 0644, NULL,
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&proc_dointvec_minmax, &sysctl_intvec, NULL,
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&proc_dointvec_minmax, &sysctl_intvec, NULL,
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&min_ipdefmode, &max_ipdefmode},
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&min_ipdefmode, &max_ipdefmode},
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{NET_AX25_DEFAULT_MODE, "ax25_default_mode",
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{NET_AX25_DEFAULT_MODE, "ax25_default_mode",
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NULL, sizeof(int), 0644, NULL,
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NULL, sizeof(int), 0644, NULL,
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&proc_dointvec_minmax, &sysctl_intvec, NULL,
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&proc_dointvec_minmax, &sysctl_intvec, NULL,
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&min_axdefmode, &max_axdefmode},
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&min_axdefmode, &max_axdefmode},
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{NET_AX25_BACKOFF_TYPE, "backoff_type",
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{NET_AX25_BACKOFF_TYPE, "backoff_type",
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NULL, sizeof(int), 0644, NULL,
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NULL, sizeof(int), 0644, NULL,
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&proc_dointvec_minmax, &sysctl_intvec, NULL,
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&proc_dointvec_minmax, &sysctl_intvec, NULL,
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&min_backoff, &max_backoff},
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&min_backoff, &max_backoff},
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{NET_AX25_CONNECT_MODE, "connect_mode",
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{NET_AX25_CONNECT_MODE, "connect_mode",
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NULL, sizeof(int), 0644, NULL,
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NULL, sizeof(int), 0644, NULL,
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&proc_dointvec_minmax, &sysctl_intvec, NULL,
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&proc_dointvec_minmax, &sysctl_intvec, NULL,
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&min_conmode, &max_conmode},
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&min_conmode, &max_conmode},
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{NET_AX25_STANDARD_WINDOW, "standard_window_size",
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{NET_AX25_STANDARD_WINDOW, "standard_window_size",
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NULL, sizeof(int), 0644, NULL,
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NULL, sizeof(int), 0644, NULL,
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&proc_dointvec_minmax, &sysctl_intvec, NULL,
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&proc_dointvec_minmax, &sysctl_intvec, NULL,
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&min_window, &max_window},
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&min_window, &max_window},
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{NET_AX25_EXTENDED_WINDOW, "extended_window_size",
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{NET_AX25_EXTENDED_WINDOW, "extended_window_size",
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NULL, sizeof(int), 0644, NULL,
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NULL, sizeof(int), 0644, NULL,
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&proc_dointvec_minmax, &sysctl_intvec, NULL,
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&proc_dointvec_minmax, &sysctl_intvec, NULL,
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&min_ewindow, &max_ewindow},
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&min_ewindow, &max_ewindow},
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{NET_AX25_T1_TIMEOUT, "t1_timeout",
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{NET_AX25_T1_TIMEOUT, "t1_timeout",
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NULL, sizeof(int), 0644, NULL,
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NULL, sizeof(int), 0644, NULL,
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&proc_dointvec_minmax, &sysctl_intvec, NULL,
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&proc_dointvec_minmax, &sysctl_intvec, NULL,
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&min_t1, &max_t1},
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&min_t1, &max_t1},
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{NET_AX25_T2_TIMEOUT, "t2_timeout",
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{NET_AX25_T2_TIMEOUT, "t2_timeout",
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NULL, sizeof(int), 0644, NULL,
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NULL, sizeof(int), 0644, NULL,
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&proc_dointvec_minmax, &sysctl_intvec, NULL,
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&proc_dointvec_minmax, &sysctl_intvec, NULL,
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&min_t2, &max_t2},
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&min_t2, &max_t2},
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{NET_AX25_T3_TIMEOUT, "t3_timeout",
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{NET_AX25_T3_TIMEOUT, "t3_timeout",
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NULL, sizeof(int), 0644, NULL,
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NULL, sizeof(int), 0644, NULL,
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&proc_dointvec_minmax, &sysctl_intvec, NULL,
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&proc_dointvec_minmax, &sysctl_intvec, NULL,
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&min_t3, &max_t3},
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&min_t3, &max_t3},
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{NET_AX25_IDLE_TIMEOUT, "idle_timeout",
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{NET_AX25_IDLE_TIMEOUT, "idle_timeout",
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NULL, sizeof(int), 0644, NULL,
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NULL, sizeof(int), 0644, NULL,
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&proc_dointvec_minmax, &sysctl_intvec, NULL,
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&proc_dointvec_minmax, &sysctl_intvec, NULL,
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&min_idle, &max_idle},
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&min_idle, &max_idle},
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{NET_AX25_N2, "maximum_retry_count",
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{NET_AX25_N2, "maximum_retry_count",
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NULL, sizeof(int), 0644, NULL,
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NULL, sizeof(int), 0644, NULL,
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&proc_dointvec_minmax, &sysctl_intvec, NULL,
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&proc_dointvec_minmax, &sysctl_intvec, NULL,
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&min_n2, &max_n2},
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&min_n2, &max_n2},
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{NET_AX25_PACLEN, "maximum_packet_length",
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{NET_AX25_PACLEN, "maximum_packet_length",
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NULL, sizeof(int), 0644, NULL,
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NULL, sizeof(int), 0644, NULL,
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&proc_dointvec_minmax, &sysctl_intvec, NULL,
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&proc_dointvec_minmax, &sysctl_intvec, NULL,
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&min_paclen, &max_paclen},
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&min_paclen, &max_paclen},
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{NET_AX25_PROTOCOL, "protocol",
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{NET_AX25_PROTOCOL, "protocol",
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NULL, sizeof(int), 0644, NULL,
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NULL, sizeof(int), 0644, NULL,
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&proc_dointvec_minmax, &sysctl_intvec, NULL,
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&proc_dointvec_minmax, &sysctl_intvec, NULL,
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&min_proto, &max_proto},
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&min_proto, &max_proto},
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{NET_AX25_DAMA_SLAVE_TIMEOUT, "dama_slave_timeout",
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{NET_AX25_DAMA_SLAVE_TIMEOUT, "dama_slave_timeout",
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NULL, sizeof(int), 0644, NULL,
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NULL, sizeof(int), 0644, NULL,
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&proc_dointvec_minmax, &sysctl_intvec, NULL,
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&proc_dointvec_minmax, &sysctl_intvec, NULL,
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&min_ds_timeout, &max_ds_timeout},
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&min_ds_timeout, &max_ds_timeout},
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{0} /* that's all, folks! */
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{0} /* that's all, folks! */
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};
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};
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void ax25_register_sysctl(void)
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void ax25_register_sysctl(void)
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{
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{
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ax25_dev *ax25_dev;
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ax25_dev *ax25_dev;
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int n, k;
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int n, k;
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for (ax25_table_size = sizeof(ctl_table), ax25_dev = ax25_dev_list; ax25_dev != NULL; ax25_dev = ax25_dev->next)
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for (ax25_table_size = sizeof(ctl_table), ax25_dev = ax25_dev_list; ax25_dev != NULL; ax25_dev = ax25_dev->next)
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ax25_table_size += sizeof(ctl_table);
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ax25_table_size += sizeof(ctl_table);
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if ((ax25_table = kmalloc(ax25_table_size, GFP_ATOMIC)) == NULL)
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if ((ax25_table = kmalloc(ax25_table_size, GFP_ATOMIC)) == NULL)
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return;
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return;
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memset(ax25_table, 0x00, ax25_table_size);
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memset(ax25_table, 0x00, ax25_table_size);
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for (n = 0, ax25_dev = ax25_dev_list; ax25_dev != NULL; ax25_dev = ax25_dev->next) {
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for (n = 0, ax25_dev = ax25_dev_list; ax25_dev != NULL; ax25_dev = ax25_dev->next) {
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ctl_table *child = kmalloc(sizeof(ax25_param_table), GFP_ATOMIC);
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ctl_table *child = kmalloc(sizeof(ax25_param_table), GFP_ATOMIC);
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if (!child) {
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if (!child) {
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while (n--)
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while (n--)
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kfree(ax25_table[n].child);
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kfree(ax25_table[n].child);
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kfree(ax25_table);
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kfree(ax25_table);
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return;
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return;
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}
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}
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memcpy(child, ax25_param_table, sizeof(ax25_param_table));
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memcpy(child, ax25_param_table, sizeof(ax25_param_table));
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ax25_table[n].child = ax25_dev->systable = child;
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ax25_table[n].child = ax25_dev->systable = child;
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ax25_table[n].ctl_name = n + 1;
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ax25_table[n].ctl_name = n + 1;
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ax25_table[n].procname = ax25_dev->dev->name;
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ax25_table[n].procname = ax25_dev->dev->name;
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ax25_table[n].mode = 0555;
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ax25_table[n].mode = 0555;
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#ifndef CONFIG_AX25_DAMA_SLAVE
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#ifndef CONFIG_AX25_DAMA_SLAVE
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/*
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/*
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* We do not wish to have a representation of this parameter
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* We do not wish to have a representation of this parameter
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* in /proc/sys/ when configured *not* to include the
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* in /proc/sys/ when configured *not* to include the
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* AX.25 DAMA slave code, do we?
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* AX.25 DAMA slave code, do we?
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*/
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*/
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child[AX25_VALUES_DS_TIMEOUT].procname = NULL;
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child[AX25_VALUES_DS_TIMEOUT].procname = NULL;
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#endif
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#endif
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child[AX25_MAX_VALUES].ctl_name = 0; /* just in case... */
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child[AX25_MAX_VALUES].ctl_name = 0; /* just in case... */
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for (k = 0; k < AX25_MAX_VALUES; k++)
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for (k = 0; k < AX25_MAX_VALUES; k++)
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child[k].data = &ax25_dev->values[k];
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child[k].data = &ax25_dev->values[k];
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n++;
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n++;
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}
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}
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ax25_dir_table[0].child = ax25_table;
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ax25_dir_table[0].child = ax25_table;
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ax25_table_header = register_sysctl_table(ax25_root_table, 1);
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ax25_table_header = register_sysctl_table(ax25_root_table, 1);
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}
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}
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void ax25_unregister_sysctl(void)
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void ax25_unregister_sysctl(void)
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{
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{
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ctl_table *p;
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ctl_table *p;
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unregister_sysctl_table(ax25_table_header);
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unregister_sysctl_table(ax25_table_header);
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ax25_dir_table[0].child = NULL;
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ax25_dir_table[0].child = NULL;
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for (p = ax25_table; p->ctl_name; p++)
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for (p = ax25_table; p->ctl_name; p++)
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kfree(p->child);
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kfree(p->child);
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kfree(ax25_table);
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kfree(ax25_table);
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}
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}
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