sctp_tunables.c revision 6e91bba0d6c6bdabbba62cefae583715a4a58e2a
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail * CDDL HEADER START
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6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail * fields enclosed by brackets "[]" replaced with your own identifying
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6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail * Copyright 2010 Sun Microsystems, Inc. All rights reserved.
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail * Use is subject to license terms.
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail/* Max size IP datagram is 64k - 1 */
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail#define SCTP_MSS_MAX_IPV4 (IP_MAXPACKET - (sizeof (ipha_t) + \
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail#define SCTP_MSS_MAX_IPV6 (IP_MAXPACKET - (sizeof (ip6_t) + \
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail/* Max of the above */
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail * All of these are alterable, within the min/max values given, at run time.
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail * Note: All those tunables which do not start with "sctp_" are Committed and
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail * therefore are public. See PSARC 2009/306.
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail { "smallest_nonpriv_port", MOD_PROTO_SCTP,
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail { "sctp_heartbeat_interval", MOD_PROTO_SCTP,
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail { "sctp_mtu_probe_interval", MOD_PROTO_SCTP,
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail { "sctp_new_secret_interval", MOD_PROTO_SCTP,
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail /* tunable - 10 */
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail { "sctp_deferred_ack_interval", MOD_PROTO_SCTP,
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail { "sctp_snd_lowat_fraction", MOD_PROTO_SCTP,
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail {0, 16, 0}, {0} },
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail { "sctp_initial_ssthresh", MOD_PROTO_SCTP,
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail {1024, UINT32_MAX, SCTP_RECV_HIWATER}, { SCTP_RECV_HIWATER} },
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail {1024, ULP_MAX_PORT, 32*1024}, {32*1024} },
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail {1024, ULP_MAX_PORT, ULP_MAX_PORT}, {ULP_MAX_PORT} },
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail {SCTP_XMIT_LOWATER, (1<<30), SCTP_XMIT_HIWATER},
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail {SCTP_XMIT_LOWATER, (1<<30), SCTP_XMIT_LOWATER},
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail {SCTP_RECV_LOWATER, (1<<30), SCTP_RECV_HIWATER},
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail {8192, (1<<30), 1024*1024}, {1024*1024} },
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail /* tunable - 20 */
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail {0, IPV6_MAX_HOPS, IPV6_DEFAULT_HOPS}, {IPV6_DEFAULT_HOPS} },
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail {500*MS, 60*SECONDS, 1*SECONDS}, {1*SECONDS} },
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail {1*SECONDS, 60000*SECONDS, 60*SECONDS}, {60*SECONDS} },
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail {1*SECONDS, 60000*SECONDS, 3*SECONDS}, {3*SECONDS} },
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail {10*MS, 60000*SECONDS, 60*SECONDS}, {60*SECONDS} },
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail { "sctp_initial_out_streams", MOD_PROTO_SCTP,
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail { "sctp_shutack_wait_bound", MOD_PROTO_SCTP,
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail {0, 300*SECONDS, 60*SECONDS}, {60*SECONDS} },
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail /* tunable - 30 */
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail { "sctp_recv_hiwat_minmss", MOD_PROTO_SCTP,
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail { "sctp_slow_start_initial", MOD_PROTO_SCTP,
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail { "sctp_slow_start_after_idle", MOD_PROTO_SCTP,
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail { "sctp_deferred_acks_max", MOD_PROTO_SCTP,
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail * sctp_wroff_xtra is the extra space in front of SCTP/IP header
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail * for link layer header. It has to be a multiple of 8.
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail mod_set_extra_privports, mod_get_extra_privports,
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail { "?", MOD_PROTO_SCTP, NULL, mod_get_allprop, {0}, {0} },