dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra * CDDL HEADER START
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra * The contents of this file are subject to the terms of the
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra * Common Development and Distribution License (the "License").
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra * You may not use this file except in compliance with the License.
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra * or http://www.opensolaris.org/os/licensing.
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra * See the License for the specific language governing permissions
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra * and limitations under the License.
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra * When distributing Covered Code, include this CDDL HEADER in each
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra * If applicable, add the following below this CDDL HEADER, with the
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra * fields enclosed by brackets "[]" replaced with your own identifying
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra * information: Portions Copyright [yyyy] [name of copyright owner]
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra * CDDL HEADER END
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra * Copyright 2009 Sun Microsystems, Inc. All rights reserved.
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra * Use is subject to license terms.
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misratypedef enum {
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra * since the difference between two uint64_ts can be greater than
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra * what a int64_t can hold, we need to cap the result at +/- INT64_MAX
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra * return: < 0: x < y, 0: x == y, > 0: x > y
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra /* make sure we have x < y */
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra t = x; x = y; y = t;
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misraunsigned_diff64(uint64_t x, uint64_t y, int *sgn)
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra /* make sure we have x < y */
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra t = x; x = y; y = t;
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra return (y - x);
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra * compare ip addresses ip1 and ip2 (as unsigned integers)
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra * return: -1: ip1 < ip2, 0: ip1 == ip2, 1: ip1 > ip2
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra * input addresses are assumed to be in network byte order
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra * diff contains the difference between the two with the same
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra * sign as the comparison result;
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra * NOTE: since ipv6 address (difference)s can be more than a 64bit
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra * value can express, the difference is capped at +/- INT64_MAX
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misrai_cmp_addr_impl(void *ip1, void *ip2, ip_addr_type_t atype, int64_t *diff)
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra IN6_V4MAPPED_TO_IPADDR((struct in6_addr *)ip1, i1);
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra IN6_V4MAPPED_TO_IPADDR((struct in6_addr *)ip2, i2);
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra * we're facing the dilemma that 128-bit ipv6 addresses are
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra * larger than the largest integer type - int64_t.
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra * we handle this thus:
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra * 1. seperate high-order and low-order bits (64 each) into
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra * *h and *l variables (unsigned).
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra * 2. calculate difference for *h and *l:
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra * low: unsigned
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra * high: signed
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra * 3. if high-order diff == 0, we can take low-order
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra * diff, if necessary cap it, convert it to signed
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra * and be done
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra * 4. if high-order and low-order signs are the same, the low-
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra * order bits won't significantly impact high-order
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra * difference, so we know that we've overflowed an int64_t;
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra * if high-order diff is > 1, any low-order difference won't
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra * change the overflow.
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra * 5. (dh == 1 and l_sign <= 0) or (dh == -1 and l_sign > 0),
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra * ie, dh == +/- 2^64
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra * 5a. if dl < INT64_MAX, the result is still > INT64_MAX, so
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra * we cap again.
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra * 5b. dl >= INT64_MAX
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra * we need to express (for dh == 1):
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra * (2^64) + x (where x < 0).
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra * Since the largest number we have is
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra * 2^64 - 1 == UINT64_MAX
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra * (2^64 - 1) + x + 1
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra * for dh == -1, all we have is
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra * -(2^63 - 1), so to express
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra * -(2^64) + x,
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra * we first do (dl - (2^63-1)) (which is then also < 2^63),
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra * si we can then add that to -(2^63 - 1);
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra } else if (l_sign == sign64(dh) || abs(dh) > 1) {
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misrailb_cmp_in6_addr(struct in6_addr *ip1, struct in6_addr *ip2, int64_t *diff)
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra res = i_cmp_addr_impl(ip1, ip2, internal, diff);
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misrailb_cmp_ipaddr(ilb_ip_addr_t *ip1, ilb_ip_addr_t *ip2, int64_t *diff)
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra res = i_cmp_addr_impl(ip1, ip2, external, diff);
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra * Error strings for error values returned by libilb functions
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra return (dgettext(TEXT_DOMAIN, "error internal to the library"));
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra return (dgettext(TEXT_DOMAIN, "invalid argument(s) - see"
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra " man page"));
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra return (dgettext(TEXT_DOMAIN, "not enough memory"
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra " for operation"));
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra return (dgettext(TEXT_DOMAIN, "no such/no more element(s)"));
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra return (dgettext(TEXT_DOMAIN, "socket() failed"));
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra return (dgettext(TEXT_DOMAIN, "read() failed"));
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra return (dgettext(TEXT_DOMAIN, "fflush() or send() failed"));
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra return (dgettext(TEXT_DOMAIN, "health check timer"
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra return (dgettext(TEXT_DOMAIN, "object is in use,"
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra " cannot destroy"));
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra return (dgettext(TEXT_DOMAIN, "object already exists"));
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra return (dgettext(TEXT_DOMAIN, "no scf permit"));
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra return (dgettext(TEXT_DOMAIN, "scf callback error"));
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra return (dgettext(TEXT_DOMAIN, "operation is progress"));
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra return (dgettext(TEXT_DOMAIN, "send() failed"));
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra return (dgettext(TEXT_DOMAIN, "missing healthcheck info"));
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra return (dgettext(TEXT_DOMAIN, "invalid health check"
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra " test type"));
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra return (dgettext(TEXT_DOMAIN, "invalid command"));
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra return (dgettext(TEXT_DOMAIN, "specified rule name already"
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra return (dgettext(TEXT_DOMAIN, "specified rule does not exist"));
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra return (dgettext(TEXT_DOMAIN, "address family mismatch with"
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra " servergroup"));
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra return (dgettext(TEXT_DOMAIN, "address family mismatch"
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra " with previous hosts in servergroup or with rule"));
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra return (dgettext(TEXT_DOMAIN, "cannot find specified"
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra " server group"));
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra return (dgettext(TEXT_DOMAIN, "cannot remove server"
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra " group - its in use with other active rules"));
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra return (dgettext(TEXT_DOMAIN, "servergroup already exists"));
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra return (dgettext(TEXT_DOMAIN, "servergroup is full - cannot"
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra " add any more servers to this servergroup"));
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra return (dgettext(TEXT_DOMAIN, "servergroup does not contain"
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra " any servers"));
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra return (dgettext(TEXT_DOMAIN, "servergroup name can"
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra " only contain a maximum of 14 characters"));
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra return (dgettext(TEXT_DOMAIN, "user is not authorized to"
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra " execute command"));
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra return (dgettext(TEXT_DOMAIN, "a failure occurred while trying"
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra " to update persistent config. Panic?"));
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra return (dgettext(TEXT_DOMAIN, "the rule's port range"
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra " does not match that of the servers' in associated"
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra " servergroup"));
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra return (dgettext(TEXT_DOMAIN, "server cannot be added to the"
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra " servergroup, as the servergroup is associated to rule(s)"
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra " with port/port range that is incompatible"
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra "with the server's port"));
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra return (dgettext(TEXT_DOMAIN, "server cannot be enabled"
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra " because it's not associated with any rule"));
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra return (dgettext(TEXT_DOMAIN, "the rule's port value does"
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra " not match that of the servers' in"
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra " associated servergroup"));
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra return (dgettext(TEXT_DOMAIN, "cannot find specified server"));
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra return (dgettext(TEXT_DOMAIN, "rule does not have health "
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra "check enabled"));
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra return (dgettext(TEXT_DOMAIN, "protocol used in rule and "
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra "health check does not match"));
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra return (dgettext(TEXT_DOMAIN, "handle is being closed"));
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra return (dgettext(TEXT_DOMAIN, "unknown error"));
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra/* Allocate space for a specified request to be sent to ilbd. */
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misrai_ilb_alloc_req(ilbd_cmd_t cmd, size_t *ic_sz)
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra sz += sizeof (ilb_sg_info_t) + sizeof (ilb_sg_srv_t);
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra /* Should not reach here. */