/* * CDDL HEADER START * * The contents of this file are subject to the terms of the * Common Development and Distribution License (the "License"). * You may not use this file except in compliance with the License. * * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE * or http://www.opensolaris.org/os/licensing. * See the License for the specific language governing permissions * and limitations under the License. * * When distributing Covered Code, include this CDDL HEADER in each * file and include the License file at usr/src/OPENSOLARIS.LICENSE. * If applicable, add the following below this CDDL HEADER, with the * fields enclosed by brackets "[]" replaced with your own identifying * information: Portions Copyright [yyyy] [name of copyright owner] * * CDDL HEADER END */ /* * Copyright 2010 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ #include #include #include #include #include /* Max size IP datagram is 64k - 1 */ #define SCTP_MSS_MAX_IPV4 (IP_MAXPACKET - (sizeof (ipha_t) + \ sizeof (sctp_hdr_t))) #define SCTP_MSS_MAX_IPV6 (IP_MAXPACKET - (sizeof (ip6_t) + \ sizeof (sctp_hdr_t))) /* Max of the above */ #define SCTP_MSS_MAX SCTP_MSS_MAX_IPV4 /* * All of these are alterable, within the min/max values given, at run time. * * Note: All those tunables which do not start with "sctp_" are Committed and * therefore are public. See PSARC 2009/306. */ mod_prop_info_t sctp_propinfo_tbl[] = { { "sctp_max_init_retr", MOD_PROTO_SCTP, mod_set_uint32, mod_get_uint32, {0, 128, 8}, {8} }, { "sctp_pa_max_retr", MOD_PROTO_SCTP, mod_set_uint32, mod_get_uint32, {1, 128, 10}, {10} }, { "sctp_pp_max_retr", MOD_PROTO_SCTP, mod_set_uint32, mod_get_uint32, {1, 128, 5}, {5} }, { "sctp_cwnd_max", MOD_PROTO_SCTP, mod_set_uint32, mod_get_uint32, {128, (1<<30), 1024*1024}, {1024*1024} }, { "smallest_nonpriv_port", MOD_PROTO_SCTP, mod_set_uint32, mod_get_uint32, {1024, (32*1024), 1024}, {1024} }, { "sctp_ipv4_ttl", MOD_PROTO_SCTP, mod_set_uint32, mod_get_uint32, {1, 255, 64}, {64} }, { "sctp_heartbeat_interval", MOD_PROTO_SCTP, mod_set_uint32, mod_get_uint32, {0, 1*DAYS, 30*SECONDS}, {30*SECONDS} }, { "sctp_initial_mtu", MOD_PROTO_SCTP, mod_set_uint32, mod_get_uint32, {68, 65535, 1500}, {1500} }, { "sctp_mtu_probe_interval", MOD_PROTO_SCTP, mod_set_uint32, mod_get_uint32, {0, 1*DAYS, 10*MINUTES}, {10*MINUTES} }, { "sctp_new_secret_interval", MOD_PROTO_SCTP, mod_set_uint32, mod_get_uint32, {0, 1*DAYS, 2*MINUTES}, {2*MINUTES} }, /* tunable - 10 */ { "sctp_deferred_ack_interval", MOD_PROTO_SCTP, mod_set_uint32, mod_get_uint32, {10*MS, 1*MINUTES, 100*MS}, {100*MS} }, { "sctp_snd_lowat_fraction", MOD_PROTO_SCTP, mod_set_uint32, mod_get_uint32, {0, 16, 0}, {0} }, { "sctp_ignore_path_mtu", MOD_PROTO_SCTP, mod_set_boolean, mod_get_boolean, {B_FALSE}, {B_FALSE} }, { "sctp_initial_ssthresh", MOD_PROTO_SCTP, mod_set_uint32, mod_get_uint32, {1024, UINT32_MAX, SCTP_RECV_HIWATER}, { SCTP_RECV_HIWATER} }, { "smallest_anon_port", MOD_PROTO_SCTP, mod_set_uint32, mod_get_uint32, {1024, ULP_MAX_PORT, 32*1024}, {32*1024} }, { "largest_anon_port", MOD_PROTO_SCTP, mod_set_uint32, mod_get_uint32, {1024, ULP_MAX_PORT, ULP_MAX_PORT}, {ULP_MAX_PORT} }, { "send_maxbuf", MOD_PROTO_SCTP, mod_set_uint32, mod_get_uint32, {SCTP_XMIT_LOWATER, (1<<30), SCTP_XMIT_HIWATER}, {SCTP_XMIT_HIWATER} }, { "sctp_xmit_lowat", MOD_PROTO_SCTP, mod_set_uint32, mod_get_uint32, {SCTP_XMIT_LOWATER, (1<<30), SCTP_XMIT_LOWATER}, {SCTP_XMIT_LOWATER} }, { "recv_maxbuf", MOD_PROTO_SCTP, mod_set_uint32, mod_get_uint32, {SCTP_RECV_LOWATER, (1<<30), SCTP_RECV_HIWATER}, {SCTP_RECV_HIWATER} }, { "sctp_max_buf", MOD_PROTO_SCTP, mod_set_uint32, mod_get_uint32, {8192, (1<<30), 1024*1024}, {1024*1024} }, /* tunable - 20 */ { "sctp_rtt_updates", MOD_PROTO_SCTP, mod_set_uint32, mod_get_uint32, {0, 65536, 20}, {20} }, { "sctp_ipv6_hoplimit", MOD_PROTO_SCTP, mod_set_uint32, mod_get_uint32, {0, IPV6_MAX_HOPS, IPV6_DEFAULT_HOPS}, {IPV6_DEFAULT_HOPS} }, { "sctp_rto_min", MOD_PROTO_SCTP, mod_set_uint32, mod_get_uint32, {500*MS, 60*SECONDS, 1*SECONDS}, {1*SECONDS} }, { "sctp_rto_max", MOD_PROTO_SCTP, mod_set_uint32, mod_get_uint32, {1*SECONDS, 60000*SECONDS, 60*SECONDS}, {60*SECONDS} }, { "sctp_rto_initial", MOD_PROTO_SCTP, mod_set_uint32, mod_get_uint32, {1*SECONDS, 60000*SECONDS, 3*SECONDS}, {3*SECONDS} }, { "sctp_cookie_life", MOD_PROTO_SCTP, mod_set_uint32, mod_get_uint32, {10*MS, 60000*SECONDS, 60*SECONDS}, {60*SECONDS} }, { "sctp_max_in_streams", MOD_PROTO_SCTP, mod_set_uint32, mod_get_uint32, {1, UINT16_MAX, 32}, {32} }, { "sctp_initial_out_streams", MOD_PROTO_SCTP, mod_set_uint32, mod_get_uint32, {1, UINT16_MAX, 32}, {32} }, { "sctp_shutack_wait_bound", MOD_PROTO_SCTP, mod_set_uint32, mod_get_uint32, {0, 300*SECONDS, 60*SECONDS}, {60*SECONDS} }, { "sctp_maxburst", MOD_PROTO_SCTP, mod_set_uint32, mod_get_uint32, {2, 8, 4}, {4} }, /* tunable - 30 */ { "sctp_addip_enabled", MOD_PROTO_SCTP, mod_set_boolean, mod_get_boolean, {B_FALSE}, {B_FALSE} }, { "sctp_recv_hiwat_minmss", MOD_PROTO_SCTP, mod_set_uint32, mod_get_uint32, {1, 65536, 4}, {4} }, { "sctp_slow_start_initial", MOD_PROTO_SCTP, mod_set_uint32, mod_get_uint32, {1, 16, 4}, {4} }, { "sctp_slow_start_after_idle", MOD_PROTO_SCTP, mod_set_uint32, mod_get_uint32, {1, 16384, 4}, {4} }, { "sctp_prsctp_enabled", MOD_PROTO_SCTP, mod_set_boolean, mod_get_boolean, {B_TRUE}, {B_TRUE} }, { "sctp_fast_rxt_thresh", MOD_PROTO_SCTP, mod_set_uint32, mod_get_uint32, {1, 10000, 3}, {3} }, { "sctp_deferred_acks_max", MOD_PROTO_SCTP, mod_set_uint32, mod_get_uint32, { 1, 16, 2}, {2} }, /* * sctp_wroff_xtra is the extra space in front of SCTP/IP header * for link layer header. It has to be a multiple of 8. */ { "sctp_wroff_xtra", MOD_PROTO_SCTP, mod_set_aligned, mod_get_uint32, {0, 256, 32}, {32} }, { "extra_priv_ports", MOD_PROTO_SCTP, mod_set_extra_privports, mod_get_extra_privports, {1, ULP_MAX_PORT, 0}, {0} }, { "?", MOD_PROTO_SCTP, NULL, mod_get_allprop, {0}, {0} }, { NULL, 0, NULL, NULL, {0}, {0} } }; int sctp_propinfo_count = A_CNT(sctp_propinfo_tbl);