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	diff --git a/exec/totemip.c b/exec/totemip.c
	index 1e1ea080..c285a736 100644
	--- a/exec/totemip.c
	+++ b/exec/totemip.c
	@@ -1,631 +1,627 @@
	/*
	* Copyright (c) 2005-2020 Red Hat, Inc.
	*
	* All rights reserved.
	*
	* Author: Patrick Caulfield (pcaulfie@redhat.com)
	*
	* This software licensed under BSD license, the text of which follows:
	*
	* Redistribution and use in source and binary forms, with or without
	* modification, are permitted provided that the following conditions are met:
	*
	* - Redistributions of source code must retain the above copyright notice,
	* this list of conditions and the following disclaimer.
	* - Redistributions in binary form must reproduce the above copyright notice,
	* this list of conditions and the following disclaimer in the documentation
	* and/or other materials provided with the distribution.
	* - Neither the name of the MontaVista Software, Inc. nor the names of its
	* contributors may be used to endorse or promote products derived from this
	* software without specific prior written permission.
	*
	* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
	* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
	* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
	* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
	* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
	* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
	* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
	* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
	* THE POSSIBILITY OF SUCH DAMAGE.
	*/

	/* IPv4/6 abstraction */

	#include <config.h>

	#include <sys/ioctl.h>
	#include <sys/types.h>
	#include <sys/socket.h>
	#include <netinet/in.h>
	#include <arpa/inet.h>
	#include <netdb.h>
	#include <net/if.h>
	#include <string.h>
	#include <stdio.h>
	#include <errno.h>
	#include <assert.h>
	#include <stdlib.h>
	#include <unistd.h>
	#include <ifaddrs.h>

	#include <corosync/totem/totemip.h>
	#include <corosync/logsys.h>
	#include <corosync/swab.h>

	#define LOCALHOST_IPV4 "127.0.0.1"
	#define LOCALHOST_IPV6 "::1"

	#define NETLINK_BUFSIZE 16384

	#ifdef SO_NOSIGPIPE
	void totemip_nosigpipe(int s)
	{
	int on = 1;
	setsockopt(s, SOL_SOCKET, SO_NOSIGPIPE, (void *)&on, sizeof(on));
	}
	#endif

	/* Compare two addresses */
	int totemip_equal(const struct totem_ip_address *addr1,
	const struct totem_ip_address *addr2)
	{
	int addrlen = 0;

	if (addr1->family != addr2->family)
	return 0;

	if (addr1->family == AF_INET) {
	addrlen = sizeof(struct in_addr);
	}
	if (addr1->family == AF_INET6) {
	addrlen = sizeof(struct in6_addr);
	}
	assert(addrlen);

	if (memcmp(addr1->addr, addr2->addr, addrlen) == 0)
	return 1;
	else
	return 0;

	}

	int totemip_sa_equal(const struct totem_ip_address *totem_ip,
	const struct sockaddr *sa)
	{
	int res;

	res = 0;

	if (totem_ip->family != sa->sa_family) {
	return (res);
	}

	switch (totem_ip->family) {
	case AF_INET:
	res = (memcmp(totem_ip->addr,
	&((const struct sockaddr_in *)sa)->sin_addr, sizeof(struct in_addr)) == 0);
	break;
	case AF_INET6:
	res = (memcmp(totem_ip->addr,
	&((const struct sockaddr_in6 *)sa)->sin6_addr, sizeof(struct in6_addr)) == 0);
	break;
	default:
	assert(0);
	}

	return (res);
	}

	/* Copy a totem_ip_address */
	void totemip_copy(struct totem_ip_address *addr1,
	const struct totem_ip_address *addr2)
	{
	memcpy(addr1, addr2, sizeof(struct totem_ip_address));
	}

	/*
	* Multicast address range is 224.0.0.0 to 239.255.255.255 this
	* translates to the first 4 bits == 1110 (0xE).
	* http://en.wikipedia.org/wiki/Multicast_address
	*/
	int32_t totemip_is_mcast(struct totem_ip_address *ip_addr)
	{
	uint32_t addr = 0;

	memcpy (&addr, ip_addr->addr, sizeof (uint32_t));

	if (ip_addr->family == AF_INET) {
	addr = ntohl(addr);
	if ((addr >> 28) != 0xE) {
	return -1;
	}
	}
	return 0;
	}

	/* For sorting etc. params are void * for qsort's benefit */
	int totemip_compare(const void a, const void b)
	{
	int i;
	const struct totem_ip_address totemip_a = (const struct totem_ip_address )a;
	const struct totem_ip_address totemip_b = (const struct totem_ip_address )b;
	struct in_addr ipv4_a1;
	struct in_addr ipv4_a2;
	struct in6_addr ipv6_a1;
	struct in6_addr ipv6_a2;
	unsigned short family;

	/*
	* Use memcpy to align since totem_ip_address is unaligned on various archs
	*/
	memcpy (&family, &totemip_a->family, sizeof (unsigned short));

	if (family == AF_INET) {
	memcpy (&ipv4_a1, totemip_a->addr, sizeof (struct in_addr));
	memcpy (&ipv4_a2, totemip_b->addr, sizeof (struct in_addr));
	if (ipv4_a1.s_addr == ipv4_a2.s_addr) {
	return (0);
	}
	if (htonl(ipv4_a1.s_addr) < htonl(ipv4_a2.s_addr)) {
	return -1;
	} else {
	return +1;
	}
	} else
	if (family == AF_INET6) {
	/*
	* We can only compare 8 bits at time for portability reasons
	*/
	memcpy (&ipv6_a1, totemip_a->addr, sizeof (struct in6_addr));
	memcpy (&ipv6_a2, totemip_b->addr, sizeof (struct in6_addr));
	for (i = 0; i < 16; i++) {
	int res = ipv6_a1.s6_addr[i] -
	ipv6_a2.s6_addr[i];
	if (res) {
	return res;
	}
	}
	return 0;
	} else {
	/*
	* Family not set, should be!
	*/
	assert (0);
	}
	return 0;
	}

	/* Build a localhost totem_ip_address */
	int totemip_localhost(int family, struct totem_ip_address *localhost)
	{
	const char *addr_text;

	memset (localhost, 0, sizeof (struct totem_ip_address));

	if (family == AF_INET) {
	addr_text = LOCALHOST_IPV4;
	if (inet_pton(family, addr_text, (char *)&localhost->nodeid) <= 0) {
	return -1;
	}
	} else {
	addr_text = LOCALHOST_IPV6;
	}

	if (inet_pton(family, addr_text, (char *)localhost->addr) <= 0)
	return -1;

	localhost->family = family;

	return 0;
	}

	int totemip_localhost_check(const struct totem_ip_address *addr)
	{
	struct totem_ip_address localhost;

	if (totemip_localhost(addr->family, &localhost))
	return 0;
	return totemip_equal(addr, &localhost);
	}

	const char totemip_sa_print(const struct sockaddr sa)
	{
	static char buf[INET6_ADDRSTRLEN];

	buf[0] = 0;

	switch (sa->sa_family) {
	case AF_INET:
	inet_ntop(sa->sa_family, &((struct sockaddr_in *)(sa))->sin_addr, buf,
	INET6_ADDRSTRLEN);
	break;
	case AF_INET6:
	inet_ntop(sa->sa_family, &((struct sockaddr_in6 *)(sa))->sin6_addr, buf,
	INET6_ADDRSTRLEN);
	break;
	default:
	return (NULL);
	}

	return (buf);
	}

	const char totemip_print(const struct totem_ip_address addr)
	{
	static char buf[INET6_ADDRSTRLEN];

	return (inet_ntop(addr->family, addr->addr, buf, sizeof(buf)));
	}

	/* Make a totem_ip_address into a usable sockaddr_storage */
	int totemip_totemip_to_sockaddr_convert(struct totem_ip_address *ip_addr,
	uint16_t port, struct sockaddr_storage saddr, int addrlen)
	{
	int ret = -1;

	if (ip_addr->family == AF_INET) {
	struct sockaddr_in sin = (struct sockaddr_in )saddr;

	memset(sin, 0, sizeof(struct sockaddr_in));
	#ifdef HAVE_SOCK_SIN_LEN
	sin->sin_len = sizeof(struct sockaddr_in);
	#endif
	sin->sin_family = ip_addr->family;
	sin->sin_port = ntohs(port);
	memcpy(&sin->sin_addr, ip_addr->addr, sizeof(struct in_addr));
	*addrlen = sizeof(struct sockaddr_in);
	ret = 0;
	}

	if (ip_addr->family == AF_INET6) {
	struct sockaddr_in6 sin = (struct sockaddr_in6 )saddr;

	memset(sin, 0, sizeof(struct sockaddr_in6));
	#ifdef HAVE_SOCK_SIN6_LEN
	sin->sin6_len = sizeof(struct sockaddr_in6);
	#endif
	sin->sin6_family = ip_addr->family;
	sin->sin6_port = ntohs(port);
	- sin->sin6_scope_id = ip_addr->sin6_scope_id;
	+ sin->sin6_scope_id = 2;
	memcpy(&sin->sin6_addr, ip_addr->addr, sizeof(struct in6_addr));

	*addrlen = sizeof(struct sockaddr_in6);
	ret = 0;
	}

	return ret;
	}

	/*
	* Converts an address string string into a totem_ip_address. ip_version enum
	* defines order.
	*/
	int totemip_parse(struct totem_ip_address totemip, const char addr,
	enum totem_ip_version_enum ip_version)
	{
	struct addrinfo *ainfo;
	struct addrinfo *ainfo_iter;
	struct addrinfo *ainfo_ipv4;
	struct addrinfo *ainfo_ipv6;
	struct addrinfo *ainfo_final;
	struct addrinfo ahints;
	struct sockaddr_in *sa;
	struct sockaddr_in6 *sa6;
	int ret;
	int debug_ip_family;
	int ai_family;

	memset(&ahints, 0, sizeof(ahints));
	ahints.ai_socktype = SOCK_DGRAM;
	ahints.ai_protocol = IPPROTO_UDP;

	ai_family = AF_UNSPEC;
	debug_ip_family = 0;

	switch (ip_version) {
	case TOTEM_IP_VERSION_4:
	ai_family = AF_INET;
	debug_ip_family = 4;
	break;
	case TOTEM_IP_VERSION_6:
	ai_family = AF_INET6;
	debug_ip_family = 6;
	break;
	case TOTEM_IP_VERSION_6_4:
	case TOTEM_IP_VERSION_4_6:
	/*
	* ai_family and debug_ip_family are already set correctly
	*/
	break;
	}

	ahints.ai_family = ai_family;

	ret = getaddrinfo(addr, NULL, &ahints, &ainfo);

	if (ret == 0 && ai_family == AF_UNSPEC) {
	ainfo_ipv4 = ainfo_ipv6 = NULL;

	/*
	* Walk thru results and store first AF_INET and AF_INET6
	*/
	for (ainfo_iter = ainfo; ainfo_iter != NULL; ainfo_iter = ainfo_iter->ai_next) {
	if (ainfo_iter->ai_family == AF_INET && ainfo_ipv4 == NULL) {
	ainfo_ipv4 = ainfo_iter;
	}

	if (ainfo_iter->ai_family == AF_INET6 && ainfo_ipv6 == NULL) {
	ainfo_ipv6 = ainfo_iter;
	}
	}

	if (ip_version == TOTEM_IP_VERSION_6_4) {
	if (ainfo_ipv6 != NULL) {
	ainfo_final = ainfo_ipv6;
	} else {
	ainfo_final = ainfo_ipv4;
	}
	} else {
	if (ainfo_ipv4 != NULL) {
	ainfo_final = ainfo_ipv4;
	} else {
	ainfo_final = ainfo_ipv6;
	}
	}
	} else if (ret == 0) {
	ainfo_final = ainfo;
	} else {
	ainfo_final = NULL;
	}

	if (ainfo_final == NULL) {
	if (ret == 0) {
	freeaddrinfo(ainfo);
	}

	if (debug_ip_family == 0) {
	log_printf(LOGSYS_LEVEL_DEBUG, "totemip_parse: IP address of %s not resolvable",
	addr);
	} else {
	log_printf(LOGSYS_LEVEL_DEBUG, "totemip_parse: IPv%u address of %s not resolvable",
	debug_ip_family, addr);
	}

	return (-1);
	}

	totemip->family = ainfo_final->ai_family;
	if (ainfo_final->ai_family == AF_INET) {
	sa = (struct sockaddr_in *)ainfo_final->ai_addr;
	memcpy(totemip->addr, &sa->sin_addr, sizeof(struct in_addr));
	- totemip->sin6_scope_id = 0;
	debug_ip_family = 4;
	} else {
	sa6 = (struct sockaddr_in6 *)ainfo_final->ai_addr;
	memcpy(totemip->addr, &sa6->sin6_addr, sizeof(struct in6_addr));
	- totemip->sin6_scope_id = sa6->sin6_scope_id;
	debug_ip_family = 6;
	}

	log_printf(LOGSYS_LEVEL_DEBUG, "totemip_parse: IPv%u address of %s resolved as %s",
	debug_ip_family, addr, totemip_print(totemip));

	freeaddrinfo(ainfo);

	return (0);
	}

	/* Make a sockaddr_* into a totem_ip_address */
	int totemip_sockaddr_to_totemip_convert(const struct sockaddr_storage *saddr,
	struct totem_ip_address *ip_addr)
	{
	int ret = -1;

	ip_addr->family = saddr->ss_family;
	ip_addr->nodeid = 0;

	if (saddr->ss_family == AF_INET) {
	const struct sockaddr_in sin = (const struct sockaddr_in )saddr;

	memcpy(ip_addr->addr, &sin->sin_addr, sizeof(struct in_addr));
	- ip_addr->sin6_scope_id = 0;
	ret = 0;
	}

	if (saddr->ss_family == AF_INET6) {
	const struct sockaddr_in6 *sin
	= (const struct sockaddr_in6 *)saddr;

	memcpy(ip_addr->addr, &sin->sin6_addr, sizeof(struct in6_addr));
	- ip_addr->sin6_scope_id = sin->sin6_scope_id;

	ret = 0;
	}
	return ret;
	}

	int totemip_getifaddrs(struct qb_list_head *addrs)
	{
	struct ifaddrs ifap, ifa;
	struct totem_ip_if_address *if_addr;

	if (getifaddrs(&ifap) != 0)
	return (-1);

	qb_list_init(addrs);

	for (ifa = ifap; ifa; ifa = ifa->ifa_next) {
	if (ifa->ifa_addr == NULL \|\| ifa->ifa_netmask == NULL)
	continue ;

	if ((ifa->ifa_addr->sa_family != AF_INET && ifa->ifa_addr->sa_family != AF_INET6) \|\|
	(ifa->ifa_netmask->sa_family != AF_INET && ifa->ifa_netmask->sa_family != AF_INET6 &&
	ifa->ifa_netmask->sa_family != 0))
	continue ;

	if (ifa->ifa_netmask->sa_family == 0) {
	ifa->ifa_netmask->sa_family = ifa->ifa_addr->sa_family;
	}

	if_addr = malloc(sizeof(struct totem_ip_if_address));
	if (if_addr == NULL) {
	goto error_free_ifaddrs;
	}

	qb_list_init(&if_addr->list);

	memset(if_addr, 0, sizeof(struct totem_ip_if_address));

	if_addr->interface_up = ifa->ifa_flags & IFF_UP;
	if_addr->interface_num = if_nametoindex(ifa->ifa_name);
	if_addr->name = strdup(ifa->ifa_name);
	if (if_addr->name == NULL) {
	goto error_free_addr;
	}

	if (totemip_sockaddr_to_totemip_convert((const struct sockaddr_storage *)ifa->ifa_addr,
	&if_addr->ip_addr) == -1) {
	goto error_free_addr_name;
	}

	if (totemip_sockaddr_to_totemip_convert((const struct sockaddr_storage *)ifa->ifa_netmask,
	&if_addr->mask_addr) == -1) {
	goto error_free_addr_name;
	}

	qb_list_add_tail(&if_addr->list, addrs);
	}

	freeifaddrs(ifap);

	return (0);

	error_free_addr_name:
	free(if_addr->name);

	error_free_addr:
	free(if_addr);

	error_free_ifaddrs:
	totemip_freeifaddrs(addrs);
	freeifaddrs(ifap);
	return (-1);
	}

	void totemip_freeifaddrs(struct qb_list_head *addrs)
	{
	struct totem_ip_if_address *if_addr;
	struct qb_list_head list, tmp_iter;

	qb_list_for_each_safe(list, tmp_iter, addrs) {
	if_addr = qb_list_entry(list, struct totem_ip_if_address, list);

	free(if_addr->name);
	qb_list_del(&if_addr->list);
	free(if_addr);
	}
	qb_list_init(addrs);
	}

	int totemip_iface_check(struct totem_ip_address *bindnet,
	struct totem_ip_address *boundto,
	int *interface_up,
	int *interface_num,
	int mask_high_bit)
	{
	struct qb_list_head addrs;
	struct qb_list_head *list;
	struct totem_ip_if_address *if_addr;
	struct totem_ip_address bn_netaddr, if_netaddr;
	socklen_t addr_len;
	socklen_t si;
	int res = -1;
	int exact_match_found = 0;
	int net_match_found = 0;

	*interface_up = 0;
	*interface_num = 0;

	if (totemip_getifaddrs(&addrs) == -1) {
	return (-1);
	}

	qb_list_for_each(list, &addrs) {
	if_addr = qb_list_entry(list, struct totem_ip_if_address, list);

	if (bindnet->family != if_addr->ip_addr.family)
	continue ;

	addr_len = 0;

	switch (bindnet->family) {
	case AF_INET:
	addr_len = sizeof(struct in_addr);
	break;
	case AF_INET6:
	addr_len = sizeof(struct in6_addr);
	break;
	}

	if (addr_len == 0)
	continue ;

	if (bindnet->sin6_scope_id != 0 && bindnet->sin6_scope_id != if_addr->interface_num)
	continue;

	totemip_copy(&bn_netaddr, bindnet);
	totemip_copy(&if_netaddr, &if_addr->ip_addr);

	if (totemip_equal(&bn_netaddr, &if_netaddr)) {
	exact_match_found = 1;
	}

	for (si = 0; si < addr_len; si++) {
	bn_netaddr.addr[si] = bn_netaddr.addr[si] & if_addr->mask_addr.addr[si];
	if_netaddr.addr[si] = if_netaddr.addr[si] & if_addr->mask_addr.addr[si];
	}

	if (exact_match_found \|\| (!net_match_found && totemip_equal(&bn_netaddr, &if_netaddr))) {
	totemip_copy(boundto, &if_addr->ip_addr);
	boundto->nodeid = bindnet->nodeid;
	*interface_up = if_addr->interface_up;
	*interface_num = if_addr->interface_num;

	net_match_found = 1;
	res = 0;

	if (exact_match_found) {
	goto finished;
	}
	}
	}

	finished:
	totemip_freeifaddrs(&addrs);
	return (res);
	}

	#define TOTEMIP_UDP_HEADER_SIZE 8
	#define TOTEMIP_IPV4_HEADER_SIZE 20
	#define TOTEMIP_IPV6_HEADER_SIZE 40

	size_t totemip_udpip_header_size(int family)
	{
	size_t header_size;

	header_size = 0;

	switch (family) {
	case AF_INET:
	header_size = TOTEMIP_UDP_HEADER_SIZE + TOTEMIP_IPV4_HEADER_SIZE;
	break;
	case AF_INET6:
	header_size = TOTEMIP_UDP_HEADER_SIZE + TOTEMIP_IPV6_HEADER_SIZE;
	break;
	}

	return (header_size);
	}
	diff --git a/include/corosync/coroapi.h b/include/corosync/coroapi.h
	index 1ac0443a..9d14b7bd 100644
	--- a/include/corosync/coroapi.h
	+++ b/include/corosync/coroapi.h
	@@ -1,527 +1,526 @@
	/*
	* Copyright (c) 2008-2012 Red Hat, Inc.
	*
	* All rights reserved.
	*
	* Author: Steven Dake (sdake@redhat.com)
	*
	* This software licensed under BSD license, the text of which follows:
	*
	* Redistribution and use in source and binary forms, with or without
	* modification, are permitted provided that the following conditions are met:
	*
	* - Redistributions of source code must retain the above copyright notice,
	* this list of conditions and the following disclaimer.
	* - Redistributions in binary form must reproduce the above copyright notice,
	* this list of conditions and the following disclaimer in the documentation
	* and/or other materials provided with the distribution.
	* - Neither the name of the MontaVista Software, Inc. nor the names of its
	* contributors may be used to endorse or promote products derived from this
	* software without specific prior written permission.
	*
	* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
	* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
	* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
	* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
	* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
	* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
	* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
	* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
	* THE POSSIBILITY OF SUCH DAMAGE.
	*/
	#ifndef COROAPI_H_DEFINED
	#define COROAPI_H_DEFINED

	#include <config.h>

	#include <stdio.h>
	#ifdef HAVE_SYS_UIO_H
	#include <sys/uio.h>
	#endif
	#include <corosync/hdb.h>
	#include <qb/qbloop.h>
	#include <corosync/swab.h>

	/**
	* @brief The mar_message_source_t struct
	*/
	typedef struct {
	uint32_t nodeid __attribute__((aligned(8)));
	void *conn __attribute__((aligned(8)));
	} mar_message_source_t __attribute__((aligned(8)));

	/**
	* @brief swab_mar_message_source_t
	* @param to_swab
	*/
	static inline void swab_mar_message_source_t (mar_message_source_t *to_swab)
	{
	swab32 (to_swab->nodeid);
	/*
	* if it is from a byteswapped machine, then we can safely
	* ignore its conn info data structure since this is only
	* local to the machine
	*/
	to_swab->conn = NULL;
	}

	#ifndef TIMER_HANDLE_T
	/**
	* @brief corosync_timer_handle_t
	*/
	typedef qb_loop_timer_handle corosync_timer_handle_t;
	#define TIMER_HANDLE_T 1
	#endif

	/**
	* @brief The corosync_tpg_group struct
	*/
	struct corosync_tpg_group {
	const void *group;
	size_t group_len;
	};

	#define TOTEMIP_ADDRLEN (sizeof(struct in6_addr))

	#define INTERFACE_MAX 8

	#ifndef MESSAGE_QUEUE_MAX
	#ifdef HAVE_SMALL_MEMORY_FOOTPRINT
	#define PROCESSOR_COUNT_MAX 16
	#define MESSAGE_SIZE_MAX 1024*64
	#define MESSAGE_QUEUE_MAX 512
	#else
	#define PROCESSOR_COUNT_MAX 384
	#define MESSAGE_SIZE_MAX 1024*1024
	#define MESSAGE_QUEUE_MAX ((4 * MESSAGE_SIZE_MAX) / totem_config->net_mtu)
	#endif /* HAVE_SMALL_MEMORY_FOOTPRINT */
	#endif /* MESSAGE_QUEUE_MAX */

	#define TOTEM_AGREED 0
	#define TOTEM_SAFE 1

	#define MILLI_2_NANO_SECONDS 1000000ULL

	#if !defined(TOTEM_IP_ADDRESS)
	/**
	* @brief The totem_ip_address struct
	*/
	struct totem_ip_address {
	unsigned int nodeid;
	unsigned short family;
	unsigned char addr[TOTEMIP_ADDRLEN];
	- unsigned int sin6_scope_id;
	} __attribute__((packed));
	#endif

	#if !defined(MEMB_RING_ID)
	/**
	* @brief The memb_ring_id struct
	*/
	struct memb_ring_id {
	unsigned int nodeid;
	unsigned long long seq;
	} __attribute__((packed));
	#endif

	#if !defined(TOTEM_CONFIGURATION_TYPE)
	/**
	* @brief The totem_configuration_type enum
	*/
	enum totem_configuration_type {
	TOTEM_CONFIGURATION_REGULAR,
	TOTEM_CONFIGURATION_TRANSITIONAL
	};
	#endif

	#if !defined(TOTEM_CALLBACK_TOKEN_TYPE)
	/**
	* @brief The totem_callback_token_type enum
	*/
	enum totem_callback_token_type {
	TOTEM_CALLBACK_TOKEN_RECEIVED = 1,
	TOTEM_CALLBACK_TOKEN_SENT = 2
	};
	#endif

	/**
	* @brief The cs_lib_flow_control enum
	*/
	enum cs_lib_flow_control {
	CS_LIB_FLOW_CONTROL_REQUIRED = 1,
	CS_LIB_FLOW_CONTROL_NOT_REQUIRED = 2
	};
	#define corosync_lib_flow_control cs_lib_flow_control
	#define COROSYNC_LIB_FLOW_CONTROL_REQUIRED CS_LIB_FLOW_CONTROL_REQUIRED
	#define COROSYNC_LIB_FLOW_CONTROL_NOT_REQUIRED CS_LIB_FLOW_CONTROL_NOT_REQUIRED

	/**
	* @brief The cs_lib_allow_inquorate enum
	*/
	enum cs_lib_allow_inquorate {
	CS_LIB_DISALLOW_INQUORATE = 0, /* default */
	CS_LIB_ALLOW_INQUORATE = 1
	};

	#if !defined (COROSYNC_FLOW_CONTROL_STATE)
	/**
	* @brief The cs_flow_control_state enum
	*/
	enum cs_flow_control_state {
	CS_FLOW_CONTROL_STATE_DISABLED,
	CS_FLOW_CONTROL_STATE_ENABLED
	};
	#define corosync_flow_control_state cs_flow_control_state
	#define CS_FLOW_CONTROL_STATE_DISABLED CS_FLOW_CONTROL_STATE_DISABLED
	#define CS_FLOW_CONTROL_STATE_ENABLED CS_FLOW_CONTROL_STATE_ENABLED

	#endif /* COROSYNC_FLOW_CONTROL_STATE */
	/**
	* @brief The cs_fatal_error_t enum.
	*/
	typedef enum {
	COROSYNC_FATAL_ERROR_EXIT = -1,
	COROSYNC_LIBAIS_SOCKET = -6,
	COROSYNC_LIBAIS_BIND = -7,
	COROSYNC_READKEY = -8,
	COROSYNC_INVALID_CONFIG = -9,
	COROSYNC_DYNAMICLOAD = -12,
	COROSYNC_OUT_OF_MEMORY = -15,
	COROSYNC_FATAL_ERR = -16
	} cs_fatal_error_t;
	#define corosync_fatal_error_t cs_fatal_error_t;

	#ifndef QUORUM_H_DEFINED
	/**
	*@brief The quorum_callback_fn_t callback
	*/
	typedef void (quorum_callback_fn_t) (int quorate, void context);

	/**
	* @brief The quorum_callin_functions struct
	*/
	struct quorum_callin_functions {
	int (*quorate) (void);
	int (register_callback) (quorum_callback_fn_t callback_fn, void contexxt);
	int (unregister_callback) (quorum_callback_fn_t callback_fn, void context);
	};

	/**
	* @brief The sync_callback_fn_t callback
	*/
	typedef void (*sync_callback_fn_t) (
	const unsigned int *view_list,
	size_t view_list_entries,
	int primary_designated,
	struct memb_ring_id *ring_id);

	#endif /* QUORUM_H_DEFINED */


	/**
	* @brief The corosync_api_v1 struct
	*/
	struct corosync_api_v1 {
	/*
	* Time and timer APIs
	*/
	int (*timer_add_duration) (
	unsigned long long nanoseconds_in_future,
	void *data,
	void (timer_nf) (void data),
	corosync_timer_handle_t *handle);

	int (*timer_add_absolute) (
	unsigned long long nanoseconds_from_epoch,
	void *data,
	void (timer_fn) (void data),
	corosync_timer_handle_t *handle);

	void (*timer_delete) (
	corosync_timer_handle_t timer_handle);

	unsigned long long (*timer_time_get) (void);

	unsigned long long (*timer_expire_time_get) (
	corosync_timer_handle_t timer_handle);

	/*
	* IPC APIs
	*/
	void (ipc_source_set) (mar_message_source_t source, void *conn);

	int (ipc_source_is_local) (const mar_message_source_t source);

	void (ipc_private_data_get) (void *conn);

	int (ipc_response_send) (void conn, const void *msg, size_t mlen);

	int (ipc_response_iov_send) (void conn,
	const struct iovec *iov, unsigned int iov_len);

	int (ipc_dispatch_send) (void conn, const void *msg, size_t mlen);

	int (ipc_dispatch_iov_send) (void conn,
	const struct iovec *iov, unsigned int iov_len);

	void (ipc_refcnt_inc) (void conn);

	void (ipc_refcnt_dec) (void conn);

	/*
	* Totem APIs
	*/
	unsigned int (*totem_nodeid_get) (void);

	int (*totem_family_get) (void);

	int (totem_mcast) (const struct iovec iovec,
	unsigned int iov_len, unsigned int guarantee);

	int (*totem_ifaces_get) (
	unsigned int nodeid,
	unsigned int *interface_ids,
	struct totem_ip_address *interfaces,
	unsigned int interfaces_size,
	char ***status,
	unsigned int *iface_count);

	const char (totem_ifaces_print) (unsigned int nodeid);

	const char (totem_ip_print) (const struct totem_ip_address *addr);

	int (totem_crypto_set) (const char cipher_type, const char *hash_type);

	int (*totem_callback_token_create) (
	void **handle_out,
	enum totem_callback_token_type type,
	int delete,
	int (*callback_fn) (enum totem_callback_token_type type,
	const void *),
	const void *data);

	/*
	* Totem open process groups API for those service engines
	* wanting their own groups
	*/
	int (*tpg_init) (
	void **instance,

	void (*deliver_fn) (
	unsigned int nodeid,
	const void *msg,
	unsigned int msg_len,
	int endian_conversion_required),

	void (*confchg_fn) (
	enum totem_configuration_type configuration_type,
	const unsigned int *member_list,
	size_t member_list_entries,
	const unsigned int *left_list,
	size_t left_list_entries,
	const unsigned int *joined_list,
	size_t joined_list_entries,
	const struct memb_ring_id *ring_id));

	int (*tpg_exit) (
	void *instance);

	int (*tpg_join) (
	void *instance,
	const struct corosync_tpg_group *groups,
	size_t group_cnt);

	int (*tpg_leave) (
	void *instance,
	const struct corosync_tpg_group *groups,
	size_t group_cnt);

	int (*tpg_joined_mcast) (
	void *totempg_groups_instance,
	const struct iovec *iovec,
	unsigned int iov_len,
	int guarantee);

	int (*tpg_joined_reserve) (
	void *totempg_groups_instance,
	const struct iovec *iovec,
	unsigned int iov_len);

	int (*tpg_joined_release) (
	int reserved_msgs);

	int (*tpg_groups_mcast) (
	void *instance,
	int guarantee,
	const struct corosync_tpg_group *groups,
	size_t groups_cnt,
	const struct iovec *iovec,
	unsigned int iov_len);

	int (*tpg_groups_reserve) (
	void *instance,
	const struct corosync_tpg_group *groups,
	size_t groups_cnt,
	const struct iovec *iovec,
	unsigned int iov_len);

	int (*tpg_groups_release) (
	int reserved_msgs);

	int (*schedwrk_create) (
	hdb_handle_t *handle,
	int (schedwrk_fn) (const void *),
	const void *context);

	void (*schedwrk_destroy) (hdb_handle_t handle);

	int (*sync_request) (
	const char *service_name);

	/*
	* User plugin-callable functions for quorum
	*/
	int (*quorum_is_quorate) (void);
	int (quorum_register_callback) (quorum_callback_fn_t callback_fn, void context);
	int (quorum_unregister_callback) (quorum_callback_fn_t callback_fn, void context);

	/*
	* This one is for the quorum management plugin's use
	*/
	int (quorum_initialize)(struct quorum_callin_functions fns);

	/*
	* Plugin loading and unloading
	*/
	int (*plugin_interface_reference) (
	hdb_handle_t *handle,
	const char *iface_name,
	int version,
	void **interface,
	void *context);

	int (*plugin_interface_release) (hdb_handle_t handle);

	/*
	* Service loading and unloading APIs
	*/
	unsigned int (*service_link_and_init) (
	struct corosync_api_v1 *corosync_api_v1,
	const char *service_name,
	unsigned int service_ver);

	unsigned int (*service_unlink_and_exit) (
	struct corosync_api_v1 *corosync_api_v1,
	const char *service_name,
	unsigned int service_ver);

	/*
	* Error handling APIs
	*/
	void (*error_memory_failure) (void) __attribute__ ((noreturn));

	#define corosync_fatal_error(err) api->fatal_error ((err), __FILE__, __LINE__)
	void (*fatal_error) (cs_fatal_error_t err,
	const char *file,
	unsigned int line) __attribute__ ((noreturn));

	void (*shutdown_request) (void);

	void (*state_dump) (void);

	qb_loop_t (poll_handle_get) (void);

	void (totem_get_stats)(void);

	int (*schedwrk_create_nolock) (
	hdb_handle_t *handle,
	int (schedwrk_fn) (const void *),
	const void *context);

	int (poll_dispatch_add) (qb_loop_t handle,
	int fd,
	int events,
	void *data,

	int (*dispatch_fn) (int fd,
	int revents,
	void *data));


	int (*poll_dispatch_delete) (
	qb_loop_t * handle,
	int fd);

	};

	#define SERVICE_ID_MAKE(a,b) ( ((a)<<16) \| (b) )

	#define SERVICE_HANDLER_MAXIMUM_COUNT 64

	#define SERVICES_COUNT_MAX 64

	/**
	* @brief The corosync_lib_handler struct
	*/
	struct corosync_lib_handler {
	void (lib_handler_fn) (void conn, const void *msg);
	enum cs_lib_flow_control flow_control;
	};

	/**
	* @brief The corosync_exec_handler struct
	*/
	struct corosync_exec_handler {
	void (exec_handler_fn) (const void msg, unsigned int nodeid);
	void (exec_endian_convert_fn) (void msg);
	};

	/**
	* @brief The corosync_service_engine_iface_ver0 struct
	*/
	struct corosync_service_engine_iface_ver0 {
	struct corosync_service_engine (corosync_get_service_engine_ver0) (void);
	};

	/**
	* @brief The corosync_service_engine struct
	*/
	struct corosync_service_engine {
	const char *name;
	unsigned short id;
	unsigned short priority; /* Lower priority are loaded first, unloaded last.
	* 0 is a special case which always loaded _and_ unloaded last
	*/
	size_t private_data_size;
	enum cs_lib_flow_control flow_control;
	enum cs_lib_allow_inquorate allow_inquorate;
	char (exec_init_fn) (struct corosync_api_v1 *);
	int (*exec_exit_fn) (void);
	void (*exec_dump_fn) (void);
	int (lib_init_fn) (void conn);
	int (lib_exit_fn) (void conn);
	struct corosync_lib_handler *lib_engine;
	int lib_engine_count;
	struct corosync_exec_handler *exec_engine;
	int exec_engine_count;
	int (config_init_fn) (struct corosync_api_v1 );
	void (*confchg_fn) (
	enum totem_configuration_type configuration_type,
	const unsigned int *member_list, size_t member_list_entries,
	const unsigned int *left_list, size_t left_list_entries,
	const unsigned int *joined_list, size_t joined_list_entries,
	const struct memb_ring_id *ring_id);
	void (*sync_init) (
	const unsigned int *trans_list,
	size_t trans_list_entries,
	const unsigned int *member_list,
	size_t member_list_entries,
	const struct memb_ring_id *ring_id);
	int (*sync_process) (void);
	void (*sync_activate) (void);
	void (*sync_abort) (void);
	};

	#endif /* COROAPI_H_DEFINED */
	diff --git a/include/corosync/totem/totemip.h b/include/corosync/totem/totemip.h
	index 61e3fc10..842e8e9e 100644
	--- a/include/corosync/totem/totemip.h
	+++ b/include/corosync/totem/totemip.h
	@@ -1,132 +1,131 @@
	/*
	* Copyright (c) 2005-2019 Red Hat, Inc.
	*
	* All rights reserved.
	*
	* Author: Patrick Caulfield (pcaulfie@redhat.com)
	*
	* This software licensed under BSD license, the text of which follows:
	*
	* Redistribution and use in source and binary forms, with or without
	* modification, are permitted provided that the following conditions are met:
	*
	* - Redistributions of source code must retain the above copyright notice,
	* this list of conditions and the following disclaimer.
	* - Redistributions in binary form must reproduce the above copyright notice,
	* this list of conditions and the following disclaimer in the documentation
	* and/or other materials provided with the distribution.
	* - Neither the name of the MontaVista Software, Inc. nor the names of its
	* contributors may be used to endorse or promote products derived from this
	* software without specific prior written permission.
	*
	* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
	* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
	* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
	* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
	* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
	* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
	* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
	* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
	* THE POSSIBILITY OF SUCH DAMAGE.
	*/

	/* IPv4/6 abstraction */

	#ifndef TOTEMIP_H_DEFINED
	#define TOTEMIP_H_DEFINED

	#include <sys/types.h>
	#include <sys/socket.h>
	#include <netinet/in.h>
	#include <stdint.h>
	#include <qb/qblist.h>

	#ifdef __cplusplus
	extern "C" {
	#endif

	#ifdef SO_NOSIGPIPE
	#ifndef MSG_NOSIGNAL
	#define MSG_NOSIGNAL 0
	#endif
	void totemip_nosigpipe(int s);
	#else
	#define totemip_nosigpipe(s)
	#endif

	#define TOTEMIP_ADDRLEN (sizeof(struct in6_addr))

	/* These are the things that get passed around */
	#define TOTEM_IP_ADDRESS
	struct totem_ip_address
	{
	unsigned int nodeid;
	unsigned short family;
	unsigned char addr[TOTEMIP_ADDRLEN];
	- unsigned int sin6_scope_id;
	} __attribute__((packed));

	enum totem_ip_version_enum {
	TOTEM_IP_VERSION_4, /* Use only AF_INET */
	TOTEM_IP_VERSION_6, /* Use only AF_INET6 */
	TOTEM_IP_VERSION_4_6, /* Use AF_UNSPEC and filter result preferring AF_INET */
	TOTEM_IP_VERSION_6_4 /* Use AF_UNSPEC and filter result preferring AF_INET6 */
	};

	struct totem_ip_if_address
	{
	struct totem_ip_address ip_addr;
	struct totem_ip_address mask_addr;
	int interface_up;
	int interface_num;
	char *name;
	struct qb_list_head list;
	};

	extern int totemip_equal(const struct totem_ip_address *addr1,
	const struct totem_ip_address *addr2);
	extern int totemip_sa_equal(const struct totem_ip_address *totem_ip,
	const struct sockaddr *sa);
	extern int totemip_compare(const void a, const void b);
	extern int totemip_is_mcast(struct totem_ip_address *addr);
	extern void totemip_copy(struct totem_ip_address *addr1,
	const struct totem_ip_address *addr2);
	int totemip_localhost(int family, struct totem_ip_address *localhost);
	extern int totemip_localhost_check(const struct totem_ip_address *addr);
	extern const char totemip_print(const struct totem_ip_address addr);
	extern const char totemip_sa_print(const struct sockaddr sa);
	extern int totemip_sockaddr_to_totemip_convert(const struct sockaddr_storage *saddr,
	struct totem_ip_address *ip_addr);
	extern int totemip_totemip_to_sockaddr_convert(struct totem_ip_address *ip_addr,
	uint16_t port, struct sockaddr_storage saddr, int addrlen);
	extern int totemip_parse(struct totem_ip_address totemip, const char addr,
	enum totem_ip_version_enum ip_version);
	extern int totemip_iface_check(struct totem_ip_address *bindnet,
	struct totem_ip_address *boundto,
	int *interface_up,
	int *interface_num,
	int mask_high_bit);

	extern int totemip_getifaddrs(struct qb_list_head *addrs);

	extern void totemip_freeifaddrs(struct qb_list_head *addrs);

	/* These two simulate a zero in_addr by clearing the family field */
	static inline void totemip_zero_set(struct totem_ip_address *addr)
	{
	addr->family = 0;
	}
	static inline int totemip_zero_check(const struct totem_ip_address *addr)
	{
	return (addr->family == 0);
	}

	extern size_t totemip_udpip_header_size(int family);

	#ifdef __cplusplus
	}
	#endif

	#endif

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