inet/udp/udp_tunables.c

	udp_tunables.c revision 8887b57dc579de11464fc6c74163d2595ce073af
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail/*
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail * CDDL HEADER START
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail *
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail * The contents of this file are subject to the terms of the
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail * Common Development and Distribution License (the "License").
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail * You may not use this file except in compliance with the License.
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail *
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail * or http://www.opensolaris.org/os/licensing.
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail * See the License for the specific language governing permissions
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail * and limitations under the License.
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail *
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail * When distributing Covered Code, include this CDDL HEADER in each
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail * If applicable, add the following below this CDDL HEADER, with the
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail * fields enclosed by brackets "[]" replaced with your own identifying
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail * information: Portions Copyright [yyyy] [name of copyright owner]
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail *
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail * CDDL HEADER END
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail */
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail/*
8887b57dc579de11464fc6c74163d2595ce073afGirish Moodalbail * Copyright (c) 1991, 2010, Oracle and/or its affiliates. All rights reserved.
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail */
8887b57dc579de11464fc6c74163d2595ce073afGirish Moodalbail/* Copyright (c) 1990 Mentat Inc. */
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail#include <inet/ip.h>
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail#include <inet/ip6.h>
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail#include <inet/udp_impl.h>
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail#include <sys/sunddi.h>
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail/*
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail * All of these are alterable, within the min/max values given, at run time.
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail *
8887b57dc579de11464fc6c74163d2595ce073afGirish Moodalbail * Note: All those tunables which do not start with "_" are Committed and
8887b57dc579de11464fc6c74163d2595ce073afGirish Moodalbail * therefore are public. See PSARC 2010/080.
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail */
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbailmod_prop_info_t udp_propinfo_tbl[] = {
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail    /* tunable - 0 */
8887b57dc579de11464fc6c74163d2595ce073afGirish Moodalbail    { "_wroff_extra", MOD_PROTO_UDP,
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail        mod_set_uint32, mod_get_uint32,
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail        {0, 256, 32}, {32} },
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail
8887b57dc579de11464fc6c74163d2595ce073afGirish Moodalbail    { "_ipv4_ttl", MOD_PROTO_UDP,
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail        mod_set_uint32, mod_get_uint32,
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail        {1, 255, 255}, {255} },
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail
8887b57dc579de11464fc6c74163d2595ce073afGirish Moodalbail    { "_ipv6_hoplimit", MOD_PROTO_UDP,
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail        mod_set_uint32, mod_get_uint32,
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail        {0, IPV6_MAX_HOPS, IPV6_DEFAULT_HOPS}, {IPV6_DEFAULT_HOPS} },
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail    { "smallest_nonpriv_port", MOD_PROTO_UDP,
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail        mod_set_uint32, mod_get_uint32,
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail        {1024, (32 * 1024), 1024}, {1024} },
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail
8887b57dc579de11464fc6c74163d2595ce073afGirish Moodalbail    { "_do_checksum", MOD_PROTO_UDP,
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail        mod_set_boolean, mod_get_boolean,
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail        {B_TRUE}, {B_TRUE} },
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail    { "smallest_anon_port", MOD_PROTO_UDP,
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail        mod_set_uint32, mod_get_uint32,
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail        {1024, ULP_MAX_PORT, (32 * 1024)}, {(32 * 1024)} },
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail    { "largest_anon_port", MOD_PROTO_UDP,
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail        mod_set_uint32, mod_get_uint32,
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail        {1024, ULP_MAX_PORT, ULP_MAX_PORT}, {ULP_MAX_PORT} },
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail    { "send_maxbuf", MOD_PROTO_UDP,
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail        mod_set_uint32, mod_get_uint32,
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail        {UDP_XMIT_LOWATER, (1<<30), UDP_XMIT_HIWATER},
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail        {UDP_XMIT_HIWATER} },
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail
8887b57dc579de11464fc6c74163d2595ce073afGirish Moodalbail    { "_xmit_lowat", MOD_PROTO_UDP,
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail        mod_set_uint32, mod_get_uint32,
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail        {0, (1<<30), UDP_XMIT_LOWATER},
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail        {UDP_XMIT_LOWATER} },
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail    { "recv_maxbuf", MOD_PROTO_UDP,
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail        mod_set_uint32, mod_get_uint32,
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail        {UDP_RECV_LOWATER, (1<<30), UDP_RECV_HIWATER},
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail        {UDP_RECV_HIWATER} },
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail    /* tunable - 10 */
8887b57dc579de11464fc6c74163d2595ce073afGirish Moodalbail    { "_max_buf", MOD_PROTO_UDP,
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail        mod_set_uint32, mod_get_uint32,
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail        {65536, (1<<30), 2*1024*1024}, {2*1024*1024} },
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail
8887b57dc579de11464fc6c74163d2595ce073afGirish Moodalbail    { "_pmtu_discovery", MOD_PROTO_UDP,
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail        mod_set_boolean, mod_get_boolean,
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail        {B_FALSE}, {B_FALSE} },
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail
8887b57dc579de11464fc6c74163d2595ce073afGirish Moodalbail    { "_sendto_ignerr", MOD_PROTO_UDP,
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail        mod_set_boolean, mod_get_boolean,
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail        {B_FALSE}, {B_FALSE} },
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail    { "extra_priv_ports", MOD_PROTO_UDP,
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail        mod_set_extra_privports, mod_get_extra_privports,
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail        {1, ULP_MAX_PORT, 0}, {0} },
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail    { "?", MOD_PROTO_UDP, NULL, mod_get_allprop, {0}, {0} },
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail    { NULL, 0, NULL, NULL, {0}, {0} }
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail};
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbailint udp_propinfo_count = A_CNT(udp_propinfo_tbl);