/* SCTP kernel implementation * (C) Copyright IBM Corp. 2002, 2004 * Copyright (c) 2002 Intel Corp. * * This file is part of the SCTP kernel implementation * * Sysctl related interfaces for SCTP. * * This SCTP implementation 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, or (at your option) * any later version. * * This SCTP implementation is distributed in the hope that it * will be useful, but WITHOUT ANY WARRANTY; without even the implied * ************************ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. * See the GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with GNU CC; see the file COPYING. If not, write to * the Free Software Foundation, 59 Temple Place - Suite 330, * Boston, MA 02111-1307, USA. * * Please send any bug reports or fixes you make to the * email address(es): * lksctp developers * * Or submit a bug report through the following website: * http://www.sf.net/projects/lksctp * * Written or modified by: * Mingqin Liu * Jon Grimm * Ardelle Fan * Ryan Layer * Sridhar Samudrala * * Any bugs reported given to us we will try to fix... any fixes shared will * be incorporated into the next SCTP release. */ #include #include #include static int zero = 0; static int one = 1; static int timer_max = 86400000; /* ms in one day */ static int int_max = INT_MAX; static int sack_timer_min = 1; static int sack_timer_max = 500; static int addr_scope_max = 3; /* check sctp_scope_policy_t in include/net/sctp/constants.h for max entries */ extern int sysctl_sctp_mem[3]; extern int sysctl_sctp_rmem[3]; extern int sysctl_sctp_wmem[3]; static ctl_table sctp_table[] = { { .ctl_name = NET_SCTP_RTO_INITIAL, .procname = "rto_initial", .data = &sctp_rto_initial, .maxlen = sizeof(unsigned int), .mode = 0644, .proc_handler = proc_dointvec_minmax, .strategy = sysctl_intvec, .extra1 = &one, .extra2 = &timer_max }, { .ctl_name = NET_SCTP_RTO_MIN, .procname = "rto_min", .data = &sctp_rto_min, .maxlen = sizeof(unsigned int), .mode = 0644, .proc_handler = proc_dointvec_minmax, .strategy = sysctl_intvec, .extra1 = &one, .extra2 = &timer_max }, { .ctl_name = NET_SCTP_RTO_MAX, .procname = "rto_max", .data = &sctp_rto_max, .maxlen = sizeof(unsigned int), .mode = 0644, .proc_handler = proc_dointvec_minmax, .strategy = sysctl_intvec, .extra1 = &one, .extra2 = &timer_max }, { .ctl_name = NET_SCTP_VALID_COOKIE_LIFE, .procname = "valid_cookie_life", .data = &sctp_valid_cookie_life, .maxlen = sizeof(unsigned int), .mode = 0644, .proc_handler = proc_dointvec_minmax, .strategy = sysctl_intvec, .extra1 = &one, .extra2 = &timer_max }, { .ctl_name = NET_SCTP_MAX_BURST, .procname = "max_burst", .data = &sctp_max_burst, .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec_minmax, .strategy = sysctl_intvec, .extra1 = &zero, .extra2 = &int_max }, { .ctl_name = NET_SCTP_ASSOCIATION_MAX_RETRANS, .procname = "association_max_retrans", .data = &sctp_max_retrans_association, .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec_minmax, .strategy = sysctl_intvec, .extra1 = &one, .extra2 = &int_max }, { .ctl_name = NET_SCTP_SNDBUF_POLICY, .procname = "sndbuf_policy", .data = &sctp_sndbuf_policy, .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec, .strategy = sysctl_intvec }, { .ctl_name = NET_SCTP_RCVBUF_POLICY, .procname = "rcvbuf_policy", .data = &sctp_rcvbuf_policy, .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec, .strategy = sysctl_intvec }, { .ctl_name = NET_SCTP_PATH_MAX_RETRANS, .procname = "path_max_retrans", .data = &sctp_max_retrans_path, .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec_minmax, .strategy = sysctl_intvec, .extra1 = &one, .extra2 = &int_max }, { .ctl_name = NET_SCTP_MAX_INIT_RETRANSMITS, .procname = "max_init_retransmits", .data = &sctp_max_retrans_init, .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec_minmax, .strategy = sysctl_intvec, .extra1 = &one, .extra2 = &int_max }, { .ctl_name = NET_SCTP_HB_INTERVAL, .procname = "hb_interval", .data = &sctp_hb_interval, .maxlen = sizeof(unsigned int), .mode = 0644, .proc_handler = proc_dointvec_minmax, .strategy = sysctl_intvec, .extra1 = &one, .extra2 = &timer_max }, { .ctl_name = NET_SCTP_PRESERVE_ENABLE, .procname = "cookie_preserve_enable", .data = &sctp_cookie_preserve_enable, .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec, .strategy = sysctl_intvec }, { .ctl_name = NET_SCTP_RTO_ALPHA, .procname = "rto_alpha_exp_divisor", .data = &sctp_rto_alpha, .maxlen = sizeof(int), .mode = 0444, .proc_handler = proc_dointvec, .strategy = sysctl_intvec }, { .ctl_name = NET_SCTP_RTO_BETA, .procname = "rto_beta_exp_divisor", .data = &sctp_rto_beta, .maxlen = sizeof(int), .mode = 0444, .proc_handler = proc_dointvec, .strategy = sysctl_intvec }, { .ctl_name = NET_SCTP_ADDIP_ENABLE, .procname = "addip_enable", .data = &sctp_addip_enable, .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec, .strategy = sysctl_intvec }, { .ctl_name = NET_SCTP_PRSCTP_ENABLE, .procname = "prsctp_enable", .data = &sctp_prsctp_enable, .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec, .strategy = sysctl_intvec }, { .ctl_name = NET_SCTP_SACK_TIMEOUT, .procname = "sack_timeout", .data = &sctp_sack_timeout, .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec_minmax, .strategy = sysctl_intvec, .extra1 = &sack_timer_min, .extra2 = &sack_timer_max, }, { .ctl_name = CTL_UNNUMBERED, .procname = "sctp_mem", .data = &sysctl_sctp_mem, .maxlen = sizeof(sysctl_sctp_mem), .mode = 0644, .proc_handler = proc_dointvec, }, { .ctl_name = CTL_UNNUMBERED, .procname = "sctp_rmem", .data = &sysctl_sctp_rmem, .maxlen = sizeof(sysctl_sctp_rmem), .mode = 0644, .proc_handler = proc_dointvec, }, { .ctl_name = CTL_UNNUMBERED, .procname = "sctp_wmem", .data = &sysctl_sctp_wmem, .maxlen = sizeof(sysctl_sctp_wmem), .mode = 0644, .proc_handler = proc_dointvec, }, { .ctl_name = CTL_UNNUMBERED, .procname = "auth_enable", .data = &sctp_auth_enable, .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec, .strategy = sysctl_intvec }, { .ctl_name = CTL_UNNUMBERED, .procname = "addip_noauth_enable", .data = &sctp_addip_noauth, .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec, .strategy = sysctl_intvec }, { .ctl_name = CTL_UNNUMBERED, .procname = "addr_scope_policy", .data = &sctp_scope_policy, .maxlen = sizeof(int), .mode = 0644, .proc_handler = &proc_dointvec_minmax, .strategy = &sysctl_intvec, .extra1 = &zero, .extra2 = &addr_scope_max, }, { .ctl_name = 0 } }; static struct ctl_path sctp_path[] = { { .procname = "net", .ctl_name = CTL_NET, }, { .procname = "sctp", .ctl_name = NET_SCTP, }, { } }; static struct ctl_table_header * sctp_sysctl_header; /* Sysctl registration. */ void sctp_sysctl_register(void) { sctp_sysctl_header = register_sysctl_paths(sctp_path, sctp_table); } /* Sysctl deregistration. */ void sctp_sysctl_unregister(void) { unregister_sysctl_table(sctp_sysctl_header); }