1 /* -*- linux-c -*- 2 * sysctl_net_core.c: sysctl interface to net core subsystem. 3 * 4 * Begun April 1, 1996, Mike Shaver. 5 * Added /proc/sys/net/core directory entry (empty =) ). [MS] 6 */ 7 8 #include <linux/mm.h> 9 #include <linux/sysctl.h> 10 #include <linux/module.h> 11 #include <linux/socket.h> 12 #include <net/sock.h> 13 14 #ifdef CONFIG_SYSCTL 15 16 extern int netdev_max_backlog; 17 extern int weight_p; 18 19 extern __u32 sysctl_wmem_max; 20 extern __u32 sysctl_rmem_max; 21 22 extern int sysctl_core_destroy_delay; 23 24 #ifdef CONFIG_XFRM 25 extern u32 sysctl_xfrm_aevent_etime; 26 extern u32 sysctl_xfrm_aevent_rseqth; 27 extern int sysctl_xfrm_larval_drop; 28 extern u32 sysctl_xfrm_acq_expires; 29 #endif 30 31 ctl_table core_table[] = { 32 #ifdef CONFIG_NET 33 { 34 .ctl_name = NET_CORE_WMEM_MAX, 35 .procname = "wmem_max", 36 .data = &sysctl_wmem_max, 37 .maxlen = sizeof(int), 38 .mode = 0644, 39 .proc_handler = &proc_dointvec 40 }, 41 { 42 .ctl_name = NET_CORE_RMEM_MAX, 43 .procname = "rmem_max", 44 .data = &sysctl_rmem_max, 45 .maxlen = sizeof(int), 46 .mode = 0644, 47 .proc_handler = &proc_dointvec 48 }, 49 { 50 .ctl_name = NET_CORE_WMEM_DEFAULT, 51 .procname = "wmem_default", 52 .data = &sysctl_wmem_default, 53 .maxlen = sizeof(int), 54 .mode = 0644, 55 .proc_handler = &proc_dointvec 56 }, 57 { 58 .ctl_name = NET_CORE_RMEM_DEFAULT, 59 .procname = "rmem_default", 60 .data = &sysctl_rmem_default, 61 .maxlen = sizeof(int), 62 .mode = 0644, 63 .proc_handler = &proc_dointvec 64 }, 65 { 66 .ctl_name = NET_CORE_DEV_WEIGHT, 67 .procname = "dev_weight", 68 .data = &weight_p, 69 .maxlen = sizeof(int), 70 .mode = 0644, 71 .proc_handler = &proc_dointvec 72 }, 73 { 74 .ctl_name = NET_CORE_MAX_BACKLOG, 75 .procname = "netdev_max_backlog", 76 .data = &netdev_max_backlog, 77 .maxlen = sizeof(int), 78 .mode = 0644, 79 .proc_handler = &proc_dointvec 80 }, 81 { 82 .ctl_name = NET_CORE_MSG_COST, 83 .procname = "message_cost", 84 .data = &net_msg_cost, 85 .maxlen = sizeof(int), 86 .mode = 0644, 87 .proc_handler = &proc_dointvec_jiffies, 88 .strategy = &sysctl_jiffies, 89 }, 90 { 91 .ctl_name = NET_CORE_MSG_BURST, 92 .procname = "message_burst", 93 .data = &net_msg_burst, 94 .maxlen = sizeof(int), 95 .mode = 0644, 96 .proc_handler = &proc_dointvec, 97 }, 98 { 99 .ctl_name = NET_CORE_OPTMEM_MAX, 100 .procname = "optmem_max", 101 .data = &sysctl_optmem_max, 102 .maxlen = sizeof(int), 103 .mode = 0644, 104 .proc_handler = &proc_dointvec 105 }, 106 #ifdef CONFIG_XFRM 107 { 108 .ctl_name = NET_CORE_AEVENT_ETIME, 109 .procname = "xfrm_aevent_etime", 110 .data = &sysctl_xfrm_aevent_etime, 111 .maxlen = sizeof(u32), 112 .mode = 0644, 113 .proc_handler = &proc_dointvec 114 }, 115 { 116 .ctl_name = NET_CORE_AEVENT_RSEQTH, 117 .procname = "xfrm_aevent_rseqth", 118 .data = &sysctl_xfrm_aevent_rseqth, 119 .maxlen = sizeof(u32), 120 .mode = 0644, 121 .proc_handler = &proc_dointvec 122 }, 123 { 124 .ctl_name = CTL_UNNUMBERED, 125 .procname = "xfrm_larval_drop", 126 .data = &sysctl_xfrm_larval_drop, 127 .maxlen = sizeof(int), 128 .mode = 0644, 129 .proc_handler = &proc_dointvec 130 }, 131 { 132 .ctl_name = CTL_UNNUMBERED, 133 .procname = "xfrm_acq_expires", 134 .data = &sysctl_xfrm_acq_expires, 135 .maxlen = sizeof(int), 136 .mode = 0644, 137 .proc_handler = &proc_dointvec 138 }, 139 #endif /* CONFIG_XFRM */ 140 #endif /* CONFIG_NET */ 141 { 142 .ctl_name = NET_CORE_SOMAXCONN, 143 .procname = "somaxconn", 144 .data = &sysctl_somaxconn, 145 .maxlen = sizeof(int), 146 .mode = 0644, 147 .proc_handler = &proc_dointvec 148 }, 149 { 150 .ctl_name = NET_CORE_BUDGET, 151 .procname = "netdev_budget", 152 .data = &netdev_budget, 153 .maxlen = sizeof(int), 154 .mode = 0644, 155 .proc_handler = &proc_dointvec 156 }, 157 { 158 .ctl_name = NET_CORE_WARNINGS, 159 .procname = "warnings", 160 .data = &net_msg_warn, 161 .maxlen = sizeof(int), 162 .mode = 0644, 163 .proc_handler = &proc_dointvec 164 }, 165 { .ctl_name = 0 } 166 }; 167 168 #endif 169