[mirror_frr.git] / zebra / ioctl_solaris.c

/*
 * Common ioctl functions for Solaris.
 * Copyright (C) 1997, 98 Kunihiro Ishiguro
 *
 * This file is part of GNU Zebra.
 *
 * GNU Zebra is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the
 * Free Software Foundation; either version 2, or (at your option) any
 * later version.
 *
 * GNU Zebra is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; see the file COPYING; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
 */

#include <zebra.h>

#ifdef SUNOS_5

#include "linklist.h"
#include "if.h"
#include "prefix.h"
#include "ioctl.h"
#include "log.h"
#include "privs.h"
#include "vty.h"
#include "vrf.h"

#include "zebra/rib.h"
#include "zebra/rt.h"
#include "zebra/interface.h"
#include "zebra/ioctl_solaris.h"

extern struct zebra_privs_t zserv_privs;

/* clear and set interface name string */
void lifreq_set_name(struct lifreq *lifreq, const char *ifname)
{
	strncpy(lifreq->lifr_name, ifname, IFNAMSIZ);
}

int vrf_if_ioctl(unsigned long request, caddr_t buffer, vrf_id_t vrf_id)
{
	return if_ioctl(request, buffer);
}

/* call ioctl system call */
int if_ioctl(unsigned long request, caddr_t buffer)
{
	int sock;
	int ret;
	int err;

	if (zserv_privs.change(ZPRIVS_RAISE))
		zlog_err("Can't raise privileges");

	sock = socket(AF_INET, SOCK_DGRAM, 0);
	if (sock < 0) {
		int save_errno = errno;
		if (zserv_privs.change(ZPRIVS_LOWER))
			zlog_err("Can't lower privileges");
		zlog_err("Cannot create UDP socket: %s",
			 safe_strerror(save_errno));
		exit(1);
	}

	if ((ret = ioctl(sock, request, buffer)) < 0)
		err = errno;

	if (zserv_privs.change(ZPRIVS_LOWER))
		zlog_err("Can't lower privileges");

	close(sock);

	if (ret < 0) {
		errno = err;
		return ret;
	}
	return 0;
}


int if_ioctl_ipv6(unsigned long request, caddr_t buffer)
{
	int sock;
	int ret;
	int err;

	if (zserv_privs.change(ZPRIVS_RAISE))
		zlog_err("Can't raise privileges");

	sock = socket(AF_INET6, SOCK_DGRAM, 0);
	if (sock < 0) {
		int save_errno = errno;
		if (zserv_privs.change(ZPRIVS_LOWER))
			zlog_err("Can't lower privileges");
		zlog_err("Cannot create IPv6 datagram socket: %s",
			 safe_strerror(save_errno));
		exit(1);
	}

	if ((ret = ioctl(sock, request, buffer)) < 0)
		err = errno;

	if (zserv_privs.change(ZPRIVS_LOWER))
		zlog_err("Can't lower privileges");

	close(sock);

	if (ret < 0) {
		errno = err;
		return ret;
	}

	return 0;
}

/*
 * get interface metric
 *   -- if value is not avaliable set -1
 */
void if_get_metric(struct interface *ifp)
{
	struct lifreq lifreq;
	int ret;

	lifreq_set_name(&lifreq, ifp->name);

	if (ifp->flags & IFF_IPV4)
		ret = AF_IOCTL(AF_INET, SIOCGLIFMETRIC, (caddr_t)&lifreq);
#ifdef SOLARIS_IPV6
	else if (ifp->flags & IFF_IPV6)
		ret = AF_IOCTL(AF_INET6, SIOCGLIFMETRIC, (caddr_t)&lifreq);
#endif /* SOLARIS_IPV6 */
	else
		ret = -1;

	if (ret < 0)
		return;

	ifp->metric = lifreq.lifr_metric;

	if (ifp->metric == 0)
		ifp->metric = 1;
}

/* get interface MTU */
void if_get_mtu(struct interface *ifp)
{
	struct lifreq lifreq;
	int ret;
	uint8_t changed = 0;

	if (ifp->flags & IFF_IPV4) {
		lifreq_set_name(&lifreq, ifp->name);
		ret = AF_IOCTL(AF_INET, SIOCGLIFMTU, (caddr_t)&lifreq);
		if (ret < 0) {
			zlog_info(
				"Can't lookup mtu on %s by ioctl(SIOCGLIFMTU)",
				ifp->name);
			ifp->mtu = -1;
		} else {
			ifp->mtu = lifreq.lifr_metric;
			changed = 1;
		}
	}

	if (ifp->flags & IFF_IPV6) {
		memset(&lifreq, 0, sizeof(lifreq));
		lifreq_set_name(&lifreq, ifp->name);

		ret = AF_IOCTL(AF_INET6, SIOCGLIFMTU, (caddr_t)&lifreq);
		if (ret < 0) {
			zlog_info(
				"Can't lookup mtu6 on %s by ioctl(SIOCGIFMTU)",
				ifp->name);
			ifp->mtu6 = -1;
		} else {
			ifp->mtu6 = lifreq.lifr_metric;
			changed = 1;
		}
	}

	if (changed)
		zebra_interface_up_update(ifp);
}

/* Set up interface's address, netmask (and broadcast? ).
   Solaris uses ifname:number semantics to set IP address aliases. */
int if_set_prefix(struct interface *ifp, struct connected *ifc)
{
	int ret;
	struct ifreq ifreq;
	struct sockaddr_in addr;
	struct sockaddr_in broad;
	struct sockaddr_in mask;
	struct prefix_ipv4 ifaddr;
	struct prefix_ipv4 *p;

	p = (struct prefix_ipv4 *)ifc->address;

	ifaddr = *p;

	strncpy(ifreq.ifr_name, ifp->name, IFNAMSIZ);

	addr.sin_addr = p->prefix;
	addr.sin_family = p->family;
	memcpy(&ifreq.ifr_addr, &addr, sizeof(struct sockaddr_in));

	ret = if_ioctl(SIOCSIFADDR, (caddr_t)&ifreq);

	if (ret < 0)
		return ret;

	/* We need mask for make broadcast addr. */
	masklen2ip(p->prefixlen, &mask.sin_addr);

	if (if_is_broadcast(ifp)) {
		apply_mask_ipv4(&ifaddr);
		addr.sin_addr = ifaddr.prefix;

		broad.sin_addr.s_addr =
			(addr.sin_addr.s_addr | ~mask.sin_addr.s_addr);
		broad.sin_family = p->family;

		memcpy(&ifreq.ifr_broadaddr, &broad,
		       sizeof(struct sockaddr_in));
		ret = if_ioctl(SIOCSIFBRDADDR, (caddr_t)&ifreq);
		if (ret < 0)
			return ret;
	}

	mask.sin_family = p->family;
#ifdef SUNOS_5
	memcpy(&mask, &ifreq.ifr_addr, sizeof(mask));
#else
	memcpy(&ifreq.ifr_netmask, &mask, sizeof(struct sockaddr_in));
#endif /* SUNOS_5 */
	ret = if_ioctl(SIOCSIFNETMASK, (caddr_t)&ifreq);

	return ((ret < 0) ? ret : 0);
}

/* Set up interface's address, netmask (and broadcast).
   Solaris uses ifname:number semantics to set IP address aliases. */
int if_unset_prefix(struct interface *ifp, struct connected *ifc)
{
	int ret;
	struct ifreq ifreq;
	struct sockaddr_in addr;
	struct prefix_ipv4 *p;

	p = (struct prefix_ipv4 *)ifc->address;

	strncpy(ifreq.ifr_name, ifp->name, IFNAMSIZ);

	memset(&addr, 0, sizeof(struct sockaddr_in));
	addr.sin_family = p->family;
	memcpy(&ifreq.ifr_addr, &addr, sizeof(struct sockaddr_in));

	ret = if_ioctl(SIOCSIFADDR, (caddr_t)&ifreq);

	if (ret < 0)
		return ret;

	return 0;
}

/* Get just the flags for the given name.
 * Used by the normal 'if_get_flags' function, as well
 * as the bootup interface-list code, which has to peek at per-address
 * flags in order to figure out which ones should be ignored..
 */
int if_get_flags_direct(const char *ifname, uint64_t *flags, unsigned int af)
{
	struct lifreq lifreq;
	int ret;

	lifreq_set_name(&lifreq, ifname);

	ret = AF_IOCTL(af, SIOCGLIFFLAGS, (caddr_t)&lifreq);

	if (ret)
		zlog_debug("%s: ifname %s, error %s (%d)", __func__, ifname,
			   safe_strerror(errno), errno);

	*flags = lifreq.lifr_flags;

	return ret;
}

/* get interface flags */
void if_get_flags(struct interface *ifp)
{
	int ret4 = 0, ret6 = 0;
	uint64_t newflags = 0;
	uint64_t tmpflags;

	if (ifp->flags & IFF_IPV4) {
		ret4 = if_get_flags_direct(ifp->name, &tmpflags, AF_INET);

		if (!ret4)
			newflags |= tmpflags;
		else if (errno == ENXIO) {
			/* it's gone */
			UNSET_FLAG(ifp->flags, IFF_UP);
			if_flags_update(ifp, ifp->flags);
		}
	}

	if (ifp->flags & IFF_IPV6) {
		ret6 = if_get_flags_direct(ifp->name, &tmpflags, AF_INET6);

		if (!ret6)
			newflags |= tmpflags;
		else if (errno == ENXIO) {
			/* it's gone */
			UNSET_FLAG(ifp->flags, IFF_UP);
			if_flags_update(ifp, ifp->flags);
		}
	}

	/* only update flags if one of above succeeded */
	if (!(ret4 && ret6))
		if_flags_update(ifp, newflags);
}

/* Set interface flags */
int if_set_flags(struct interface *ifp, uint64_t flags)
{
	int ret;
	struct lifreq lifreq;

	lifreq_set_name(&lifreq, ifp->name);

	lifreq.lifr_flags = ifp->flags;
	lifreq.lifr_flags |= flags;

	if (ifp->flags & IFF_IPV4)
		ret = AF_IOCTL(AF_INET, SIOCSLIFFLAGS, (caddr_t)&lifreq);
	else if (ifp->flags & IFF_IPV6)
		ret = AF_IOCTL(AF_INET6, SIOCSLIFFLAGS, (caddr_t)&lifreq);
	else
		ret = -1;

	if (ret < 0)
		zlog_info("can't set interface flags on %s: %s", ifp->name,
			  safe_strerror(errno));
	else
		ret = 0;

	return ret;
}

/* Unset interface's flag. */
int if_unset_flags(struct interface *ifp, uint64_t flags)
{
	int ret;
	struct lifreq lifreq;

	lifreq_set_name(&lifreq, ifp->name);

	lifreq.lifr_flags = ifp->flags;
	lifreq.lifr_flags &= ~flags;

	if (ifp->flags & IFF_IPV4)
		ret = AF_IOCTL(AF_INET, SIOCSLIFFLAGS, (caddr_t)&lifreq);
	else if (ifp->flags & IFF_IPV6)
		ret = AF_IOCTL(AF_INET6, SIOCSLIFFLAGS, (caddr_t)&lifreq);
	else
		ret = -1;

	if (ret < 0)
		zlog_info("can't unset interface flags");
	else
		ret = 0;

	return ret;
}

/* Interface's address add/delete functions. */
int if_prefix_add_ipv6(struct interface *ifp, struct connected *ifc)
{
	char addrbuf[PREFIX_STRLEN];

	zlog_warn("Can't set %s on interface %s",
		  prefix2str(ifc->address, addrbuf, sizeof(addrbuf)),
		  ifp->name);

	return 0;
}

int if_prefix_delete_ipv6(struct interface *ifp, struct connected *ifc)
{
	char addrbuf[PREFIX_STRLEN];

	zlog_warn("Can't delete %s on interface %s",
		  prefix2str(ifc->address, addrbuf, sizeof(addrbuf)),
		  ifp->name);

	return 0;
}

#endif /* SUNOS_5 */
Commit	Line	Data
8842468c	1	/*
	2	* Common ioctl functions for Solaris.
	3	* Copyright (C) 1997, 98 Kunihiro Ishiguro
	4	*
	5	* This file is part of GNU Zebra.
	6	*
	7	* GNU Zebra is free software; you can redistribute it and/or modify it
	8	* under the terms of the GNU General Public License as published by the
	9	* Free Software Foundation; either version 2, or (at your option) any
	10	* later version.
	11	*
	12	* GNU Zebra is distributed in the hope that it will be useful, but
	13	* WITHOUT ANY WARRANTY; without even the implied warranty of
	14	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	15	* General Public License for more details.
	16	*
896014f4 DL	17	* You should have received a copy of the GNU General Public License along
	18	* with this program; see the file COPYING; if not, write to the Free Software
	19	* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
8842468c	20	*/
	21
	22	#include <zebra.h>
	23
ddfeb486 DL	24	#ifdef SUNOS_5
ddfeb486 DL	25
8842468c	26	#include "linklist.h"
	27	#include "if.h"
	28	#include "prefix.h"
	29	#include "ioctl.h"
	30	#include "log.h"
48a46fa0	31	#include "privs.h"
82283592	32	#include "vty.h"
4db21619	33	#include "vrf.h"
8842468c	34
	35	#include "zebra/rib.h"
	36	#include "zebra/rt.h"
5c78b3d0	37	#include "zebra/interface.h"
8d610213	38	#include "zebra/ioctl_solaris.h"
8842468c	39
48a46fa0	40	extern struct zebra_privs_t zserv_privs;
8842468c	41
8842468c	42	/* clear and set interface name string */
d62a17ae	43	void lifreq_set_name(struct lifreq lifreq, const char ifname)
8842468c	44	{
d62a17ae	45	strncpy(lifreq->lifr_name, ifname, IFNAMSIZ);
8842468c	46	}
8842468c	47
d7c0a89a	48	int vrf_if_ioctl(unsigned long request, caddr_t buffer, vrf_id_t vrf_id)
4db21619 PG	49	{
	50	return if_ioctl(request, buffer);
	51	}
	52
8842468c	53	/* call ioctl system call */
d7c0a89a	54	int if_ioctl(unsigned long request, caddr_t buffer)
8842468c	55	{
d62a17ae	56	int sock;
	57	int ret;
	58	int err;
	59
	60	if (zserv_privs.change(ZPRIVS_RAISE))
	61	zlog_err("Can't raise privileges");
	62
	63	sock = socket(AF_INET, SOCK_DGRAM, 0);
	64	if (sock < 0) {
	65	int save_errno = errno;
	66	if (zserv_privs.change(ZPRIVS_LOWER))
	67	zlog_err("Can't lower privileges");
	68	zlog_err("Cannot create UDP socket: %s",
	69	safe_strerror(save_errno));
	70	exit(1);
	71	}
	72
	73	if ((ret = ioctl(sock, request, buffer)) < 0)
	74	err = errno;
	75
	76	if (zserv_privs.change(ZPRIVS_LOWER))
	77	zlog_err("Can't lower privileges");
	78
	79	close(sock);
	80
	81	if (ret < 0) {
	82	errno = err;
	83	return ret;
	84	}
	85	return 0;
8842468c	86	}
8842468c	87
5b73a671	88
d7c0a89a	89	int if_ioctl_ipv6(unsigned long request, caddr_t buffer)
8842468c	90	{
d62a17ae	91	int sock;
	92	int ret;
	93	int err;
	94
	95	if (zserv_privs.change(ZPRIVS_RAISE))
	96	zlog_err("Can't raise privileges");
	97
	98	sock = socket(AF_INET6, SOCK_DGRAM, 0);
	99	if (sock < 0) {
	100	int save_errno = errno;
	101	if (zserv_privs.change(ZPRIVS_LOWER))
	102	zlog_err("Can't lower privileges");
	103	zlog_err("Cannot create IPv6 datagram socket: %s",
	104	safe_strerror(save_errno));
	105	exit(1);
	106	}
	107
	108	if ((ret = ioctl(sock, request, buffer)) < 0)
	109	err = errno;
	110
	111	if (zserv_privs.change(ZPRIVS_LOWER))
	112	zlog_err("Can't lower privileges");
	113
	114	close(sock);
	115
	116	if (ret < 0) {
	117	errno = err;
	118	return ret;
	119	}
	120
	121	return 0;
8842468c	122	}
8842468c	123
	124	/*
	125	* get interface metric
	126	* -- if value is not avaliable set -1
	127	*/
d62a17ae	128	void if_get_metric(struct interface *ifp)
8842468c	129	{
d62a17ae	130	struct lifreq lifreq;
d62a17ae	131	int ret;
8842468c	132
d62a17ae	133	lifreq_set_name(&lifreq, ifp->name);
8842468c	134
d62a17ae	135	if (ifp->flags & IFF_IPV4)
d62a17ae	136	ret = AF_IOCTL(AF_INET, SIOCGLIFMETRIC, (caddr_t)&lifreq);
5b73a671	137	#ifdef SOLARIS_IPV6
d62a17ae	138	else if (ifp->flags & IFF_IPV6)
d62a17ae	139	ret = AF_IOCTL(AF_INET6, SIOCGLIFMETRIC, (caddr_t)&lifreq);
5b73a671	140	#endif /* SOLARIS_IPV6 */
d62a17ae	141	else
d62a17ae	142	ret = -1;
8842468c	143
d62a17ae	144	if (ret < 0)
d62a17ae	145	return;
8842468c	146
d62a17ae	147	ifp->metric = lifreq.lifr_metric;
	148
	149	if (ifp->metric == 0)
	150	ifp->metric = 1;
8842468c	151	}
	152
	153	/* get interface MTU */
d62a17ae	154	void if_get_mtu(struct interface *ifp)
8842468c	155	{
d62a17ae	156	struct lifreq lifreq;
d62a17ae	157	int ret;
d7c0a89a	158	uint8_t changed = 0;
d62a17ae	159
	160	if (ifp->flags & IFF_IPV4) {
	161	lifreq_set_name(&lifreq, ifp->name);
	162	ret = AF_IOCTL(AF_INET, SIOCGLIFMTU, (caddr_t)&lifreq);
	163	if (ret < 0) {
	164	zlog_info(
	165	"Can't lookup mtu on %s by ioctl(SIOCGLIFMTU)",
	166	ifp->name);
	167	ifp->mtu = -1;
	168	} else {
	169	ifp->mtu = lifreq.lifr_metric;
	170	changed = 1;
	171	}
	172	}
	173
	174	if (ifp->flags & IFF_IPV6) {
	175	memset(&lifreq, 0, sizeof(lifreq));
	176	lifreq_set_name(&lifreq, ifp->name);
	177
	178	ret = AF_IOCTL(AF_INET6, SIOCGLIFMTU, (caddr_t)&lifreq);
	179	if (ret < 0) {
	180	zlog_info(
	181	"Can't lookup mtu6 on %s by ioctl(SIOCGIFMTU)",
	182	ifp->name);
	183	ifp->mtu6 = -1;
	184	} else {
	185	ifp->mtu6 = lifreq.lifr_metric;
	186	changed = 1;
	187	}
	188	}
	189
	190	if (changed)
	191	zebra_interface_up_update(ifp);
8842468c	192	}
	193
	194	/* Set up interface's address, netmask (and broadcast? ).
	195	Solaris uses ifname:number semantics to set IP address aliases. */
d62a17ae	196	int if_set_prefix(struct interface ifp, struct connected ifc)
8842468c	197	{
d62a17ae	198	int ret;
	199	struct ifreq ifreq;
	200	struct sockaddr_in addr;
	201	struct sockaddr_in broad;
	202	struct sockaddr_in mask;
	203	struct prefix_ipv4 ifaddr;
	204	struct prefix_ipv4 *p;
8842468c	205
d62a17ae	206	p = (struct prefix_ipv4 *)ifc->address;
8842468c	207
d62a17ae	208	ifaddr = *p;
8842468c	209
d62a17ae	210	strncpy(ifreq.ifr_name, ifp->name, IFNAMSIZ);
8842468c	211
d62a17ae	212	addr.sin_addr = p->prefix;
	213	addr.sin_family = p->family;
	214	memcpy(&ifreq.ifr_addr, &addr, sizeof(struct sockaddr_in));
8842468c	215
d62a17ae	216	ret = if_ioctl(SIOCSIFADDR, (caddr_t)&ifreq);
8842468c	217
d62a17ae	218	if (ret < 0)
d62a17ae	219	return ret;
8842468c	220
d62a17ae	221	/* We need mask for make broadcast addr. */
d62a17ae	222	masklen2ip(p->prefixlen, &mask.sin_addr);
8842468c	223
d62a17ae	224	if (if_is_broadcast(ifp)) {
	225	apply_mask_ipv4(&ifaddr);
	226	addr.sin_addr = ifaddr.prefix;
8842468c	227
d62a17ae	228	broad.sin_addr.s_addr =
	229	(addr.sin_addr.s_addr \| ~mask.sin_addr.s_addr);
	230	broad.sin_family = p->family;
8842468c	231
d62a17ae	232	memcpy(&ifreq.ifr_broadaddr, &broad,
	233	sizeof(struct sockaddr_in));
	234	ret = if_ioctl(SIOCSIFBRDADDR, (caddr_t)&ifreq);
	235	if (ret < 0)
	236	return ret;
	237	}
8842468c	238
d62a17ae	239	mask.sin_family = p->family;
8842468c	240	#ifdef SUNOS_5
d62a17ae	241	memcpy(&mask, &ifreq.ifr_addr, sizeof(mask));
8842468c	242	#else
d62a17ae	243	memcpy(&ifreq.ifr_netmask, &mask, sizeof(struct sockaddr_in));
48a46fa0	244	#endif /* SUNOS_5 */
d62a17ae	245	ret = if_ioctl(SIOCSIFNETMASK, (caddr_t)&ifreq);
8842468c	246
d62a17ae	247	return ((ret < 0) ? ret : 0);
8842468c	248	}
	249
	250	/* Set up interface's address, netmask (and broadcast).
	251	Solaris uses ifname:number semantics to set IP address aliases. */
d62a17ae	252	int if_unset_prefix(struct interface ifp, struct connected ifc)
8842468c	253	{
d62a17ae	254	int ret;
	255	struct ifreq ifreq;
	256	struct sockaddr_in addr;
	257	struct prefix_ipv4 *p;
	258
	259	p = (struct prefix_ipv4 *)ifc->address;
8842468c	260
d62a17ae	261	strncpy(ifreq.ifr_name, ifp->name, IFNAMSIZ);
8842468c	262
d62a17ae	263	memset(&addr, 0, sizeof(struct sockaddr_in));
	264	addr.sin_family = p->family;
	265	memcpy(&ifreq.ifr_addr, &addr, sizeof(struct sockaddr_in));
8842468c	266
d62a17ae	267	ret = if_ioctl(SIOCSIFADDR, (caddr_t)&ifreq);
8842468c	268
d62a17ae	269	if (ret < 0)
d62a17ae	270	return ret;
8842468c	271
d62a17ae	272	return 0;
8842468c	273	}
8842468c	274
5c78b3d0	275	/* Get just the flags for the given name.
	276	* Used by the normal 'if_get_flags' function, as well
	277	* as the bootup interface-list code, which has to peek at per-address
	278	* flags in order to figure out which ones should be ignored..
0752ef0b	279	*/
d62a17ae	280	int if_get_flags_direct(const char ifname, uint64_t flags, unsigned int af)
0752ef0b	281	{
d62a17ae	282	struct lifreq lifreq;
	283	int ret;
	284
	285	lifreq_set_name(&lifreq, ifname);
	286
	287	ret = AF_IOCTL(af, SIOCGLIFFLAGS, (caddr_t)&lifreq);
	288
	289	if (ret)
	290	zlog_debug("%s: ifname %s, error %s (%d)", __func__, ifname,
	291	safe_strerror(errno), errno);
	292
	293	*flags = lifreq.lifr_flags;
	294
	295	return ret;
0752ef0b	296	}
0752ef0b	297
8842468c	298	/* get interface flags */
d62a17ae	299	void if_get_flags(struct interface *ifp)
8842468c	300	{
d62a17ae	301	int ret4 = 0, ret6 = 0;
	302	uint64_t newflags = 0;
	303	uint64_t tmpflags;
	304
	305	if (ifp->flags & IFF_IPV4) {
	306	ret4 = if_get_flags_direct(ifp->name, &tmpflags, AF_INET);
	307
	308	if (!ret4)
	309	newflags \|= tmpflags;
	310	else if (errno == ENXIO) {
	311	/* it's gone */
	312	UNSET_FLAG(ifp->flags, IFF_UP);
	313	if_flags_update(ifp, ifp->flags);
	314	}
	315	}
	316
	317	if (ifp->flags & IFF_IPV6) {
	318	ret6 = if_get_flags_direct(ifp->name, &tmpflags, AF_INET6);
	319
	320	if (!ret6)
	321	newflags \|= tmpflags;
	322	else if (errno == ENXIO) {
	323	/* it's gone */
	324	UNSET_FLAG(ifp->flags, IFF_UP);
	325	if_flags_update(ifp, ifp->flags);
	326	}
	327	}
	328
	329	/* only update flags if one of above succeeded */
	330	if (!(ret4 && ret6))
	331	if_flags_update(ifp, newflags);
8842468c	332	}
	333
	334	/* Set interface flags */
d62a17ae	335	int if_set_flags(struct interface *ifp, uint64_t flags)
8842468c	336	{
d62a17ae	337	int ret;
	338	struct lifreq lifreq;
	339
	340	lifreq_set_name(&lifreq, ifp->name);
	341
	342	lifreq.lifr_flags = ifp->flags;
	343	lifreq.lifr_flags \|= flags;
	344
	345	if (ifp->flags & IFF_IPV4)
	346	ret = AF_IOCTL(AF_INET, SIOCSLIFFLAGS, (caddr_t)&lifreq);
	347	else if (ifp->flags & IFF_IPV6)
	348	ret = AF_IOCTL(AF_INET6, SIOCSLIFFLAGS, (caddr_t)&lifreq);
	349	else
	350	ret = -1;
	351
	352	if (ret < 0)
	353	zlog_info("can't set interface flags on %s: %s", ifp->name,
	354	safe_strerror(errno));
	355	else
	356	ret = 0;
	357
	358	return ret;
8842468c	359	}
	360
	361	/* Unset interface's flag. */
d62a17ae	362	int if_unset_flags(struct interface *ifp, uint64_t flags)
8842468c	363	{
d62a17ae	364	int ret;
	365	struct lifreq lifreq;
	366
	367	lifreq_set_name(&lifreq, ifp->name);
	368
	369	lifreq.lifr_flags = ifp->flags;
	370	lifreq.lifr_flags &= ~flags;
	371
	372	if (ifp->flags & IFF_IPV4)
	373	ret = AF_IOCTL(AF_INET, SIOCSLIFFLAGS, (caddr_t)&lifreq);
	374	else if (ifp->flags & IFF_IPV6)
	375	ret = AF_IOCTL(AF_INET6, SIOCSLIFFLAGS, (caddr_t)&lifreq);
	376	else
	377	ret = -1;
	378
	379	if (ret < 0)
	380	zlog_info("can't unset interface flags");
	381	else
	382	ret = 0;
	383
	384	return ret;
8842468c	385	}
8842468c	386
8842468c	387	/* Interface's address add/delete functions. */
d62a17ae	388	int if_prefix_add_ipv6(struct interface ifp, struct connected ifc)
8842468c	389	{
d62a17ae	390	char addrbuf[PREFIX_STRLEN];
8842468c	391
d62a17ae	392	zlog_warn("Can't set %s on interface %s",
	393	prefix2str(ifc->address, addrbuf, sizeof(addrbuf)),
	394	ifp->name);
8842468c	395
d62a17ae	396	return 0;
8842468c	397	}
8842468c	398
d62a17ae	399	int if_prefix_delete_ipv6(struct interface ifp, struct connected ifc)
8842468c	400	{
d62a17ae	401	char addrbuf[PREFIX_STRLEN];
8842468c	402
d62a17ae	403	zlog_warn("Can't delete %s on interface %s",
	404	prefix2str(ifc->address, addrbuf, sizeof(addrbuf)),
	405	ifp->name);
8842468c	406
d62a17ae	407	return 0;
8842468c	408	}
ddfeb486 DL	409
ddfeb486 DL	410	#endif /* SUNOS_5 */