udp_tunables.c revision 6e91bba0d6c6bdabbba62cefae583715a4a58e2a
/*
* 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 <inet/ip.h>
#include <inet/ip6.h>
#include <inet/udp_impl.h>
#include <sys/sunddi.h>
/*
* All of these are alterable, within the min/max values given, at run time.
*
* Note: All those tunables which do not start with "udp_" are Committed and
* therefore are public. See PSARC 2009/306.
*/
mod_prop_info_t udp_propinfo_tbl[] = {
/* tunable - 0 */
{ "udp_wroff_extra", MOD_PROTO_UDP,
mod_set_uint32, mod_get_uint32,
{0, 256, 32}, {32} },
{ "udp_ipv4_ttl", MOD_PROTO_UDP,
mod_set_uint32, mod_get_uint32,
{1, 255, 255}, {255} },
{ "udp_ipv6_hoplimit", MOD_PROTO_UDP,
mod_set_uint32, mod_get_uint32,
{0, IPV6_MAX_HOPS, IPV6_DEFAULT_HOPS}, {IPV6_DEFAULT_HOPS} },
{ "smallest_nonpriv_port", MOD_PROTO_UDP,
mod_set_uint32, mod_get_uint32,
{1024, (32 * 1024), 1024}, {1024} },
{ "udp_do_checksum", MOD_PROTO_UDP,
mod_set_boolean, mod_get_boolean,
{B_TRUE}, {B_TRUE} },
{ "smallest_anon_port", MOD_PROTO_UDP,
mod_set_uint32, mod_get_uint32,
{1024, ULP_MAX_PORT, (32 * 1024)}, {(32 * 1024)} },
{ "largest_anon_port", MOD_PROTO_UDP,
mod_set_uint32, mod_get_uint32,
{1024, ULP_MAX_PORT, ULP_MAX_PORT}, {ULP_MAX_PORT} },
{ "send_maxbuf", MOD_PROTO_UDP,
mod_set_uint32, mod_get_uint32,
{UDP_XMIT_LOWATER, (1<<30), UDP_XMIT_HIWATER},
{UDP_XMIT_HIWATER} },
{ "udp_xmit_lowat", MOD_PROTO_UDP,
mod_set_uint32, mod_get_uint32,
{0, (1<<30), UDP_XMIT_LOWATER},
{UDP_XMIT_LOWATER} },
{ "recv_maxbuf", MOD_PROTO_UDP,
mod_set_uint32, mod_get_uint32,
{UDP_RECV_LOWATER, (1<<30), UDP_RECV_HIWATER},
{UDP_RECV_HIWATER} },
/* tunable - 10 */
{ "udp_max_buf", MOD_PROTO_UDP,
mod_set_uint32, mod_get_uint32,
{65536, (1<<30), 2*1024*1024}, {2*1024*1024} },
{ "udp_pmtu_discovery", MOD_PROTO_UDP,
mod_set_boolean, mod_get_boolean,
{B_FALSE}, {B_FALSE} },
{ "udp_sendto_ignerr", MOD_PROTO_UDP,
mod_set_boolean, mod_get_boolean,
{B_FALSE}, {B_FALSE} },
{ "extra_priv_ports", MOD_PROTO_UDP,
mod_set_extra_privports, mod_get_extra_privports,
{1, ULP_MAX_PORT, 0}, {0} },
{ "?", MOD_PROTO_UDP, NULL, mod_get_allprop, {0}, {0} },
{ NULL, 0, NULL, NULL, {0}, {0} }
};
int udp_propinfo_count = A_CNT(udp_propinfo_tbl);