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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 | /* -*- linux-c -*- * sysctl_net_ax25.c: sysctl interface to net AX.25 subsystem. * * Begun April 1, 1996, Mike Shaver. * Added /proc/sys/net/ax25 directory entry (empty =) ). [MS] */ #include <linux/config.h> #include <linux/mm.h> #include <linux/sysctl.h> #include <net/ax25.h> static int min_ipdefmode[] = {0}, max_ipdefmode[] = {1}; static int min_axdefmode[] = {0}, max_axdefmode[] = {1}; static int min_backoff[] = {0}, max_backoff[] = {2}; static int min_conmode[] = {0}, 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[] = {30 * HZ}; static int min_t2[] = {1}, max_t2[] = {20 * HZ}; static int min_t3[] = {0}, max_t3[] = {3600 * HZ}; static int min_idle[] = {0}, max_idle[] = {65535 * HZ}; static int min_n2[] = {1}, max_n2[] = {31}; static int min_paclen[] = {1}, max_paclen[] = {512}; static int min_proto[] = {0}, max_proto[] = {3}; static int min_ds_timeout[] = {0}, max_ds_timeout[] = {65535 * HZ}; static struct ctl_table_header *ax25_table_header; static ctl_table *ax25_table; static int ax25_table_size; static ctl_table ax25_dir_table[] = { {NET_AX25, "ax25", NULL, 0, 0555, NULL}, {0} }; static ctl_table ax25_root_table[] = { {CTL_NET, "net", NULL, 0, 0555, ax25_dir_table}, {0} }; static const ctl_table ax25_param_table[] = { {NET_AX25_IP_DEFAULT_MODE, "ip_default_mode", NULL, sizeof(int), 0644, NULL, &proc_dointvec_minmax, &sysctl_intvec, NULL, &min_ipdefmode, &max_ipdefmode}, {NET_AX25_DEFAULT_MODE, "ax25_default_mode", NULL, sizeof(int), 0644, NULL, &proc_dointvec_minmax, &sysctl_intvec, NULL, &min_axdefmode, &max_axdefmode}, {NET_AX25_BACKOFF_TYPE, "backoff_type", NULL, sizeof(int), 0644, NULL, &proc_dointvec_minmax, &sysctl_intvec, NULL, &min_backoff, &max_backoff}, {NET_AX25_CONNECT_MODE, "connect_mode", NULL, sizeof(int), 0644, NULL, &proc_dointvec_minmax, &sysctl_intvec, NULL, &min_conmode, &max_conmode}, {NET_AX25_STANDARD_WINDOW, "standard_window_size", NULL, sizeof(int), 0644, NULL, &proc_dointvec_minmax, &sysctl_intvec, NULL, &min_window, &max_window}, {NET_AX25_EXTENDED_WINDOW, "extended_window_size", NULL, sizeof(int), 0644, NULL, &proc_dointvec_minmax, &sysctl_intvec, NULL, &min_ewindow, &max_ewindow}, {NET_AX25_T1_TIMEOUT, "t1_timeout", NULL, sizeof(int), 0644, NULL, &proc_dointvec_minmax, &sysctl_intvec, NULL, &min_t1, &max_t1}, {NET_AX25_T2_TIMEOUT, "t2_timeout", NULL, sizeof(int), 0644, NULL, &proc_dointvec_minmax, &sysctl_intvec, NULL, &min_t2, &max_t2}, {NET_AX25_T3_TIMEOUT, "t3_timeout", NULL, sizeof(int), 0644, NULL, &proc_dointvec_minmax, &sysctl_intvec, NULL, &min_t3, &max_t3}, {NET_AX25_IDLE_TIMEOUT, "idle_timeout", NULL, sizeof(int), 0644, NULL, &proc_dointvec_minmax, &sysctl_intvec, NULL, &min_idle, &max_idle}, {NET_AX25_N2, "maximum_retry_count", NULL, sizeof(int), 0644, NULL, &proc_dointvec_minmax, &sysctl_intvec, NULL, &min_n2, &max_n2}, {NET_AX25_PACLEN, "maximum_packet_length", NULL, sizeof(int), 0644, NULL, &proc_dointvec_minmax, &sysctl_intvec, NULL, &min_paclen, &max_paclen}, {NET_AX25_PROTOCOL, "protocol", NULL, sizeof(int), 0644, NULL, &proc_dointvec_minmax, &sysctl_intvec, NULL, &min_proto, &max_proto}, {NET_AX25_DAMA_SLAVE_TIMEOUT, "dama_slave_timeout", NULL, sizeof(int), 0644, NULL, &proc_dointvec_minmax, &sysctl_intvec, NULL, &min_ds_timeout, &max_ds_timeout}, {0} /* that's all, folks! */ }; void ax25_register_sysctl(void) { ax25_dev *ax25_dev; int n, k; for (ax25_table_size = sizeof(ctl_table), ax25_dev = ax25_dev_list; ax25_dev != NULL; ax25_dev = ax25_dev->next) ax25_table_size += sizeof(ctl_table); if ((ax25_table = kmalloc(ax25_table_size, GFP_ATOMIC)) == NULL) return; memset(ax25_table, 0x00, ax25_table_size); for (n = 0, ax25_dev = ax25_dev_list; ax25_dev != NULL; ax25_dev = ax25_dev->next) { ctl_table *child = kmalloc(sizeof(ax25_param_table), GFP_ATOMIC); if (!child) { while (n--) kfree(ax25_table[n].child); kfree(ax25_table); return; } memcpy(child, ax25_param_table, sizeof(ax25_param_table)); ax25_table[n].child = ax25_dev->systable = child; ax25_table[n].ctl_name = n + 1; ax25_table[n].procname = ax25_dev->dev->name; ax25_table[n].mode = 0555; #ifndef CONFIG_AX25_DAMA_SLAVE /* * We do not wish to have a representation of this parameter * in /proc/sys/ when configured *not* to include the * AX.25 DAMA slave code, do we? */ child[AX25_VALUES_DS_TIMEOUT].procname = NULL; #endif child[AX25_MAX_VALUES].ctl_name = 0; /* just in case... */ for (k = 0; k < AX25_MAX_VALUES; k++) child[k].data = &ax25_dev->values[k]; n++; } ax25_dir_table[0].child = ax25_table; ax25_table_header = register_sysctl_table(ax25_root_table, 1); } void ax25_unregister_sysctl(void) { ctl_table *p; unregister_sysctl_table(ax25_table_header); ax25_dir_table[0].child = NULL; for (p = ax25_table; p->ctl_name; p++) kfree(p->child); kfree(ax25_table); } |