1*6e91bba0SGirish Moodalbail /* 2*6e91bba0SGirish Moodalbail * CDDL HEADER START 3*6e91bba0SGirish Moodalbail * 4*6e91bba0SGirish Moodalbail * The contents of this file are subject to the terms of the 5*6e91bba0SGirish Moodalbail * Common Development and Distribution License (the "License"). 6*6e91bba0SGirish Moodalbail * You may not use this file except in compliance with the License. 7*6e91bba0SGirish Moodalbail * 8*6e91bba0SGirish Moodalbail * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9*6e91bba0SGirish Moodalbail * or http://www.opensolaris.org/os/licensing. 10*6e91bba0SGirish Moodalbail * See the License for the specific language governing permissions 11*6e91bba0SGirish Moodalbail * and limitations under the License. 12*6e91bba0SGirish Moodalbail * 13*6e91bba0SGirish Moodalbail * When distributing Covered Code, include this CDDL HEADER in each 14*6e91bba0SGirish Moodalbail * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15*6e91bba0SGirish Moodalbail * If applicable, add the following below this CDDL HEADER, with the 16*6e91bba0SGirish Moodalbail * fields enclosed by brackets "[]" replaced with your own identifying 17*6e91bba0SGirish Moodalbail * information: Portions Copyright [yyyy] [name of copyright owner] 18*6e91bba0SGirish Moodalbail * 19*6e91bba0SGirish Moodalbail * CDDL HEADER END 20*6e91bba0SGirish Moodalbail */ 21*6e91bba0SGirish Moodalbail /* 22*6e91bba0SGirish Moodalbail * Copyright 2010 Sun Microsystems, Inc. All rights reserved. 23*6e91bba0SGirish Moodalbail * Use is subject to license terms. 24*6e91bba0SGirish Moodalbail */ 25*6e91bba0SGirish Moodalbail 26*6e91bba0SGirish Moodalbail #include <inet/ip.h> 27*6e91bba0SGirish Moodalbail #include <inet/ip6.h> 28*6e91bba0SGirish Moodalbail #include <inet/sctp/sctp_stack.h> 29*6e91bba0SGirish Moodalbail #include <inet/sctp/sctp_impl.h> 30*6e91bba0SGirish Moodalbail #include <sys/sunddi.h> 31*6e91bba0SGirish Moodalbail 32*6e91bba0SGirish Moodalbail /* Max size IP datagram is 64k - 1 */ 33*6e91bba0SGirish Moodalbail #define SCTP_MSS_MAX_IPV4 (IP_MAXPACKET - (sizeof (ipha_t) + \ 34*6e91bba0SGirish Moodalbail sizeof (sctp_hdr_t))) 35*6e91bba0SGirish Moodalbail #define SCTP_MSS_MAX_IPV6 (IP_MAXPACKET - (sizeof (ip6_t) + \ 36*6e91bba0SGirish Moodalbail sizeof (sctp_hdr_t))) 37*6e91bba0SGirish Moodalbail /* Max of the above */ 38*6e91bba0SGirish Moodalbail #define SCTP_MSS_MAX SCTP_MSS_MAX_IPV4 39*6e91bba0SGirish Moodalbail 40*6e91bba0SGirish Moodalbail /* 41*6e91bba0SGirish Moodalbail * All of these are alterable, within the min/max values given, at run time. 42*6e91bba0SGirish Moodalbail * 43*6e91bba0SGirish Moodalbail * Note: All those tunables which do not start with "sctp_" are Committed and 44*6e91bba0SGirish Moodalbail * therefore are public. See PSARC 2009/306. 45*6e91bba0SGirish Moodalbail */ 46*6e91bba0SGirish Moodalbail mod_prop_info_t sctp_propinfo_tbl[] = { 47*6e91bba0SGirish Moodalbail { "sctp_max_init_retr", MOD_PROTO_SCTP, 48*6e91bba0SGirish Moodalbail mod_set_uint32, mod_get_uint32, 49*6e91bba0SGirish Moodalbail {0, 128, 8}, {8} }, 50*6e91bba0SGirish Moodalbail 51*6e91bba0SGirish Moodalbail { "sctp_pa_max_retr", MOD_PROTO_SCTP, 52*6e91bba0SGirish Moodalbail mod_set_uint32, mod_get_uint32, 53*6e91bba0SGirish Moodalbail {1, 128, 10}, {10} }, 54*6e91bba0SGirish Moodalbail 55*6e91bba0SGirish Moodalbail { "sctp_pp_max_retr", MOD_PROTO_SCTP, 56*6e91bba0SGirish Moodalbail mod_set_uint32, mod_get_uint32, 57*6e91bba0SGirish Moodalbail {1, 128, 5}, {5} }, 58*6e91bba0SGirish Moodalbail 59*6e91bba0SGirish Moodalbail { "sctp_cwnd_max", MOD_PROTO_SCTP, 60*6e91bba0SGirish Moodalbail mod_set_uint32, mod_get_uint32, 61*6e91bba0SGirish Moodalbail {128, (1<<30), 1024*1024}, {1024*1024} }, 62*6e91bba0SGirish Moodalbail 63*6e91bba0SGirish Moodalbail { "smallest_nonpriv_port", MOD_PROTO_SCTP, 64*6e91bba0SGirish Moodalbail mod_set_uint32, mod_get_uint32, 65*6e91bba0SGirish Moodalbail {1024, (32*1024), 1024}, {1024} }, 66*6e91bba0SGirish Moodalbail 67*6e91bba0SGirish Moodalbail { "sctp_ipv4_ttl", MOD_PROTO_SCTP, 68*6e91bba0SGirish Moodalbail mod_set_uint32, mod_get_uint32, 69*6e91bba0SGirish Moodalbail {1, 255, 64}, {64} }, 70*6e91bba0SGirish Moodalbail 71*6e91bba0SGirish Moodalbail { "sctp_heartbeat_interval", MOD_PROTO_SCTP, 72*6e91bba0SGirish Moodalbail mod_set_uint32, mod_get_uint32, 73*6e91bba0SGirish Moodalbail {0, 1*DAYS, 30*SECONDS}, {30*SECONDS} }, 74*6e91bba0SGirish Moodalbail 75*6e91bba0SGirish Moodalbail { "sctp_initial_mtu", MOD_PROTO_SCTP, 76*6e91bba0SGirish Moodalbail mod_set_uint32, mod_get_uint32, 77*6e91bba0SGirish Moodalbail {68, 65535, 1500}, {1500} }, 78*6e91bba0SGirish Moodalbail 79*6e91bba0SGirish Moodalbail { "sctp_mtu_probe_interval", MOD_PROTO_SCTP, 80*6e91bba0SGirish Moodalbail mod_set_uint32, mod_get_uint32, 81*6e91bba0SGirish Moodalbail {0, 1*DAYS, 10*MINUTES}, {10*MINUTES} }, 82*6e91bba0SGirish Moodalbail 83*6e91bba0SGirish Moodalbail { "sctp_new_secret_interval", MOD_PROTO_SCTP, 84*6e91bba0SGirish Moodalbail mod_set_uint32, mod_get_uint32, 85*6e91bba0SGirish Moodalbail {0, 1*DAYS, 2*MINUTES}, {2*MINUTES} }, 86*6e91bba0SGirish Moodalbail 87*6e91bba0SGirish Moodalbail /* tunable - 10 */ 88*6e91bba0SGirish Moodalbail { "sctp_deferred_ack_interval", MOD_PROTO_SCTP, 89*6e91bba0SGirish Moodalbail mod_set_uint32, mod_get_uint32, 90*6e91bba0SGirish Moodalbail {10*MS, 1*MINUTES, 100*MS}, {100*MS} }, 91*6e91bba0SGirish Moodalbail 92*6e91bba0SGirish Moodalbail { "sctp_snd_lowat_fraction", MOD_PROTO_SCTP, 93*6e91bba0SGirish Moodalbail mod_set_uint32, mod_get_uint32, 94*6e91bba0SGirish Moodalbail {0, 16, 0}, {0} }, 95*6e91bba0SGirish Moodalbail 96*6e91bba0SGirish Moodalbail { "sctp_ignore_path_mtu", MOD_PROTO_SCTP, 97*6e91bba0SGirish Moodalbail mod_set_boolean, mod_get_boolean, 98*6e91bba0SGirish Moodalbail {B_FALSE}, {B_FALSE} }, 99*6e91bba0SGirish Moodalbail 100*6e91bba0SGirish Moodalbail { "sctp_initial_ssthresh", MOD_PROTO_SCTP, 101*6e91bba0SGirish Moodalbail mod_set_uint32, mod_get_uint32, 102*6e91bba0SGirish Moodalbail {1024, UINT32_MAX, SCTP_RECV_HIWATER}, { SCTP_RECV_HIWATER} }, 103*6e91bba0SGirish Moodalbail 104*6e91bba0SGirish Moodalbail { "smallest_anon_port", MOD_PROTO_SCTP, 105*6e91bba0SGirish Moodalbail mod_set_uint32, mod_get_uint32, 106*6e91bba0SGirish Moodalbail {1024, ULP_MAX_PORT, 32*1024}, {32*1024} }, 107*6e91bba0SGirish Moodalbail 108*6e91bba0SGirish Moodalbail { "largest_anon_port", MOD_PROTO_SCTP, 109*6e91bba0SGirish Moodalbail mod_set_uint32, mod_get_uint32, 110*6e91bba0SGirish Moodalbail {1024, ULP_MAX_PORT, ULP_MAX_PORT}, {ULP_MAX_PORT} }, 111*6e91bba0SGirish Moodalbail 112*6e91bba0SGirish Moodalbail { "send_maxbuf", MOD_PROTO_SCTP, 113*6e91bba0SGirish Moodalbail mod_set_uint32, mod_get_uint32, 114*6e91bba0SGirish Moodalbail {SCTP_XMIT_LOWATER, (1<<30), SCTP_XMIT_HIWATER}, 115*6e91bba0SGirish Moodalbail {SCTP_XMIT_HIWATER} }, 116*6e91bba0SGirish Moodalbail 117*6e91bba0SGirish Moodalbail { "sctp_xmit_lowat", MOD_PROTO_SCTP, 118*6e91bba0SGirish Moodalbail mod_set_uint32, mod_get_uint32, 119*6e91bba0SGirish Moodalbail {SCTP_XMIT_LOWATER, (1<<30), SCTP_XMIT_LOWATER}, 120*6e91bba0SGirish Moodalbail {SCTP_XMIT_LOWATER} }, 121*6e91bba0SGirish Moodalbail 122*6e91bba0SGirish Moodalbail { "recv_maxbuf", MOD_PROTO_SCTP, 123*6e91bba0SGirish Moodalbail mod_set_uint32, mod_get_uint32, 124*6e91bba0SGirish Moodalbail {SCTP_RECV_LOWATER, (1<<30), SCTP_RECV_HIWATER}, 125*6e91bba0SGirish Moodalbail {SCTP_RECV_HIWATER} }, 126*6e91bba0SGirish Moodalbail 127*6e91bba0SGirish Moodalbail { "sctp_max_buf", MOD_PROTO_SCTP, 128*6e91bba0SGirish Moodalbail mod_set_uint32, mod_get_uint32, 129*6e91bba0SGirish Moodalbail {8192, (1<<30), 1024*1024}, {1024*1024} }, 130*6e91bba0SGirish Moodalbail 131*6e91bba0SGirish Moodalbail /* tunable - 20 */ 132*6e91bba0SGirish Moodalbail { "sctp_rtt_updates", MOD_PROTO_SCTP, 133*6e91bba0SGirish Moodalbail mod_set_uint32, mod_get_uint32, 134*6e91bba0SGirish Moodalbail {0, 65536, 20}, {20} }, 135*6e91bba0SGirish Moodalbail 136*6e91bba0SGirish Moodalbail { "sctp_ipv6_hoplimit", MOD_PROTO_SCTP, 137*6e91bba0SGirish Moodalbail mod_set_uint32, mod_get_uint32, 138*6e91bba0SGirish Moodalbail {0, IPV6_MAX_HOPS, IPV6_DEFAULT_HOPS}, {IPV6_DEFAULT_HOPS} }, 139*6e91bba0SGirish Moodalbail 140*6e91bba0SGirish Moodalbail { "sctp_rto_min", MOD_PROTO_SCTP, 141*6e91bba0SGirish Moodalbail mod_set_uint32, mod_get_uint32, 142*6e91bba0SGirish Moodalbail {500*MS, 60*SECONDS, 1*SECONDS}, {1*SECONDS} }, 143*6e91bba0SGirish Moodalbail 144*6e91bba0SGirish Moodalbail { "sctp_rto_max", MOD_PROTO_SCTP, 145*6e91bba0SGirish Moodalbail mod_set_uint32, mod_get_uint32, 146*6e91bba0SGirish Moodalbail {1*SECONDS, 60000*SECONDS, 60*SECONDS}, {60*SECONDS} }, 147*6e91bba0SGirish Moodalbail 148*6e91bba0SGirish Moodalbail { "sctp_rto_initial", MOD_PROTO_SCTP, 149*6e91bba0SGirish Moodalbail mod_set_uint32, mod_get_uint32, 150*6e91bba0SGirish Moodalbail {1*SECONDS, 60000*SECONDS, 3*SECONDS}, {3*SECONDS} }, 151*6e91bba0SGirish Moodalbail 152*6e91bba0SGirish Moodalbail { "sctp_cookie_life", MOD_PROTO_SCTP, 153*6e91bba0SGirish Moodalbail mod_set_uint32, mod_get_uint32, 154*6e91bba0SGirish Moodalbail {10*MS, 60000*SECONDS, 60*SECONDS}, {60*SECONDS} }, 155*6e91bba0SGirish Moodalbail 156*6e91bba0SGirish Moodalbail { "sctp_max_in_streams", MOD_PROTO_SCTP, 157*6e91bba0SGirish Moodalbail mod_set_uint32, mod_get_uint32, 158*6e91bba0SGirish Moodalbail {1, UINT16_MAX, 32}, {32} }, 159*6e91bba0SGirish Moodalbail 160*6e91bba0SGirish Moodalbail { "sctp_initial_out_streams", MOD_PROTO_SCTP, 161*6e91bba0SGirish Moodalbail mod_set_uint32, mod_get_uint32, 162*6e91bba0SGirish Moodalbail {1, UINT16_MAX, 32}, {32} }, 163*6e91bba0SGirish Moodalbail 164*6e91bba0SGirish Moodalbail { "sctp_shutack_wait_bound", MOD_PROTO_SCTP, 165*6e91bba0SGirish Moodalbail mod_set_uint32, mod_get_uint32, 166*6e91bba0SGirish Moodalbail {0, 300*SECONDS, 60*SECONDS}, {60*SECONDS} }, 167*6e91bba0SGirish Moodalbail 168*6e91bba0SGirish Moodalbail { "sctp_maxburst", MOD_PROTO_SCTP, 169*6e91bba0SGirish Moodalbail mod_set_uint32, mod_get_uint32, 170*6e91bba0SGirish Moodalbail {2, 8, 4}, {4} }, 171*6e91bba0SGirish Moodalbail 172*6e91bba0SGirish Moodalbail /* tunable - 30 */ 173*6e91bba0SGirish Moodalbail { "sctp_addip_enabled", MOD_PROTO_SCTP, 174*6e91bba0SGirish Moodalbail mod_set_boolean, mod_get_boolean, 175*6e91bba0SGirish Moodalbail {B_FALSE}, {B_FALSE} }, 176*6e91bba0SGirish Moodalbail 177*6e91bba0SGirish Moodalbail { "sctp_recv_hiwat_minmss", MOD_PROTO_SCTP, 178*6e91bba0SGirish Moodalbail mod_set_uint32, mod_get_uint32, 179*6e91bba0SGirish Moodalbail {1, 65536, 4}, {4} }, 180*6e91bba0SGirish Moodalbail 181*6e91bba0SGirish Moodalbail { "sctp_slow_start_initial", MOD_PROTO_SCTP, 182*6e91bba0SGirish Moodalbail mod_set_uint32, mod_get_uint32, 183*6e91bba0SGirish Moodalbail {1, 16, 4}, {4} }, 184*6e91bba0SGirish Moodalbail 185*6e91bba0SGirish Moodalbail { "sctp_slow_start_after_idle", MOD_PROTO_SCTP, 186*6e91bba0SGirish Moodalbail mod_set_uint32, mod_get_uint32, 187*6e91bba0SGirish Moodalbail {1, 16384, 4}, {4} }, 188*6e91bba0SGirish Moodalbail 189*6e91bba0SGirish Moodalbail { "sctp_prsctp_enabled", MOD_PROTO_SCTP, 190*6e91bba0SGirish Moodalbail mod_set_boolean, mod_get_boolean, 191*6e91bba0SGirish Moodalbail {B_TRUE}, {B_TRUE} }, 192*6e91bba0SGirish Moodalbail 193*6e91bba0SGirish Moodalbail { "sctp_fast_rxt_thresh", MOD_PROTO_SCTP, 194*6e91bba0SGirish Moodalbail mod_set_uint32, mod_get_uint32, 195*6e91bba0SGirish Moodalbail {1, 10000, 3}, {3} }, 196*6e91bba0SGirish Moodalbail 197*6e91bba0SGirish Moodalbail { "sctp_deferred_acks_max", MOD_PROTO_SCTP, 198*6e91bba0SGirish Moodalbail mod_set_uint32, mod_get_uint32, 199*6e91bba0SGirish Moodalbail { 1, 16, 2}, {2} }, 200*6e91bba0SGirish Moodalbail 201*6e91bba0SGirish Moodalbail /* 202*6e91bba0SGirish Moodalbail * sctp_wroff_xtra is the extra space in front of SCTP/IP header 203*6e91bba0SGirish Moodalbail * for link layer header. It has to be a multiple of 8. 204*6e91bba0SGirish Moodalbail */ 205*6e91bba0SGirish Moodalbail { "sctp_wroff_xtra", MOD_PROTO_SCTP, 206*6e91bba0SGirish Moodalbail mod_set_aligned, mod_get_uint32, 207*6e91bba0SGirish Moodalbail {0, 256, 32}, {32} }, 208*6e91bba0SGirish Moodalbail 209*6e91bba0SGirish Moodalbail { "extra_priv_ports", MOD_PROTO_SCTP, 210*6e91bba0SGirish Moodalbail mod_set_extra_privports, mod_get_extra_privports, 211*6e91bba0SGirish Moodalbail {1, ULP_MAX_PORT, 0}, {0} }, 212*6e91bba0SGirish Moodalbail 213*6e91bba0SGirish Moodalbail { "?", MOD_PROTO_SCTP, NULL, mod_get_allprop, {0}, {0} }, 214*6e91bba0SGirish Moodalbail 215*6e91bba0SGirish Moodalbail { NULL, 0, NULL, NULL, {0}, {0} } 216*6e91bba0SGirish Moodalbail }; 217*6e91bba0SGirish Moodalbail 218*6e91bba0SGirish Moodalbail int sctp_propinfo_count = A_CNT(sctp_propinfo_tbl); 219