D57666.id181565.diff
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	diff --git a/sys/net/if_gif.c b/sys/net/if_gif.c
	--- a/sys/net/if_gif.c
	+++ b/sys/net/if_gif.c
	@@ -90,6 +90,12 @@
	#include <net/if_bridgevar.h>
	#include <net/if_gif.h>

	+#include <netlink/netlink.h>
	+#include <netlink/netlink_ctl.h>
	+#include <netlink/netlink_var.h>
	+#include <netlink/netlink_route.h>
	+#include <netlink/route/route_var.h>
	+
	#include <security/mac/mac_framework.h>

	static const char gifname[] = "gif";
	@@ -97,6 +103,7 @@
	MALLOC_DEFINE(M_GIF, "gif", "Generic Tunnel Interface");
	static struct sx gif_ioctl_sx;
	SX_SYSINIT(gif_ioctl_sx, &gif_ioctl_sx, "gif_ioctl");
	+#define GIF_LOCK_ASSERT() sx_assert(&gif_ioctl_sx, SA_XLOCKED);

	void (ng_gif_input_p)(struct ifnet ifp, struct mbuf **mp, int af);
	void (ng_gif_input_orphan_p)(struct ifnet ifp, struct mbuf *m, int af);
	@@ -110,8 +117,18 @@
	static int gif_ioctl(struct ifnet *, u_long, caddr_t);
	static int gif_transmit(struct ifnet , struct mbuf );
	static void gif_qflush(struct ifnet *);
	-static int gif_clone_create(struct if_clone *, int, caddr_t);
	-static void gif_clone_destroy(struct ifnet *);
	+static int gif_clone_create(struct if_clone , char , size_t,
	+ struct ifc_data , struct ifnet *);
	+static int gif_clone_destroy(struct if_clone , struct ifnet , uint32_t);
	+static int gif_clone_create_nl(struct if_clone , char , size_t,
	+ struct ifc_data_nl *);
	+static int gif_clone_modify_nl(struct ifnet , struct ifc_data_nl );
	+static void gif_clone_dump_nl(struct ifnet , struct nl_writer );
	+
	+static int gif_set_addr_nl(struct gif_softc , struct nl_pstate ,
	+ struct sockaddr , struct sockaddr );
	+static int gif_set_flags_nl(struct gif_softc , struct nl_pstate ,
	+ uint32_t);
	VNET_DEFINE_STATIC(struct if_clone *, gif_cloner);
	#define V_gif_cloner VNET(gif_cloner)

	@@ -134,8 +151,145 @@
	SYSCTL_INT(_net_link_gif, OID_AUTO, max_nesting, CTLFLAG_VNET \| CTLFLAG_RW,
	&VNET_NAME(max_gif_nesting), 0, "Max nested tunnels");

	+struct nl_parsed_gif {
	+ struct sockaddr *ifla_local;
	+ struct sockaddr *ifla_remote;
	+ uint32_t ifla_flags;
	+};
	+
	+#define _OUT(_field) offsetof(struct nl_parsed_gif, _field)
	+static const struct nlattr_parser nla_p_gif[] = {
	+ { .type = IFLA_IPTUN_LOCAL, .off = _OUT(ifla_local), .cb = nlattr_get_ip },
	+ { .type = IFLA_IPTUN_REMOTE, .off = _OUT(ifla_remote), .cb = nlattr_get_ip },
	+ { .type = IFLA_IPTUN_FLAGS, .off = _OUT(ifla_flags), .cb = nlattr_get_uint32 },
	+};
	+#undef _OUT
	+NL_DECLARE_ATTR_PARSER(gif_modify_parser, nla_p_gif);
	+
	+static const struct nlhdr_parser *all_parsers[] = {
	+ &gif_modify_parser,
	+};
	+
	+static int
	+gif_clone_create_nl(struct if_clone ifc, char name, size_t len,
	+ struct ifc_data_nl *ifd)
	+{
	+ struct ifc_data ifd_new = {
	+ .flags = IFC_F_SYSSPACE,
	+ .unit = ifd->unit,
	+ };
	+
	+ return (gif_clone_create(ifc, name, len, &ifd_new, &ifd->ifp));
	+}
	+
	+static int
	+gif_clone_modify_nl(struct ifnet ifp, struct ifc_data_nl ifd)
	+{
	+ struct gif_softc *sc;
	+ struct nl_parsed_link *lattrs = ifd->lattrs;
	+ struct nl_pstate *npt = ifd->npt;
	+ struct nl_parsed_gif params = {};
	+ struct nlattr *attrs = lattrs->ifla_idata;
	+ struct nlattr_bmask bm;
	+ int error;
	+
	+ if ((attrs == NULL) \|\|
	+ (nl_has_attr(ifd->bm, IFLA_LINKINFO) == 0)) {
	+ error = nl_modify_ifp_generic(ifp, lattrs, ifd->bm, npt);
	+ return (error);
	+ }
	+
	+ error = priv_check(curthread, PRIV_NET_GIF);
	+ if (error)
	+ return (error);
	+
	+ nl_get_attrs_bmask_raw(NLA_DATA(attrs), NLA_DATA_LEN(attrs), &bm);
	+ if ((error = nl_parse_nested(attrs, &gif_modify_parser, npt, &params)) != 0)
	+ return (error);
	+
	+ sx_xlock(&gif_ioctl_sx);
	+ sc = ifp->if_softc;
	+ if (sc == NULL)
	+ goto generic;
	+
	+ if (nl_has_attr(&bm, IFLA_IPTUN_LOCAL) && nl_has_attr(&bm, IFLA_IPTUN_REMOTE))
	+ error = gif_set_addr_nl(sc, npt, params.ifla_local, params.ifla_remote);
	+ else if (nl_has_attr(&bm, IFLA_IPTUN_LOCAL) \|\| nl_has_attr(&bm, IFLA_IPTUN_REMOTE)) {
	+ error = EINVAL;
	+ nlmsg_report_err_msg(npt, "Specify both remote and local address together");
	+ }
	+
	+ if (error == 0 && nl_has_attr(&bm, IFLA_IPTUN_FLAGS))
	+ error = gif_set_flags_nl(sc, npt, params.ifla_flags);
	+
	+generic:
	+ sx_xunlock(&gif_ioctl_sx);
	+
	+ if (error == 0)
	+ error = nl_modify_ifp_generic(ifp, ifd->lattrs, ifd->bm, ifd->npt);
	+
	+ return (error);
	+}
	+
	+static void
	+gif_clone_dump_nl(struct ifnet ifp, struct nl_writer nw)
	+{
	+ struct gif_softc *sc;
	+ int off, off2;
	+
	+ nlattr_add_u32(nw, IFLA_LINK, ifp->if_index);
	+ nlattr_add_string(nw, IFLA_IFNAME, ifp->if_xname);
	+
	+ off = nlattr_add_nested(nw, IFLA_LINKINFO);
	+ if (off == 0)
	+ return;
	+
	+ nlattr_add_string(nw, IFLA_INFO_KIND, gifname);
	+ off2 = nlattr_add_nested(nw, IFLA_INFO_DATA);
	+ if (off2 == 0) {
	+ nlattr_set_len(nw, off);
	+ return;
	+ }
	+
	+ sx_slock(&gif_ioctl_sx);
	+ sc = ifp->if_softc;
	+ if (sc == NULL)
	+ goto ret;
	+
	+ if (sc->gif_family == AF_INET) {
	+#ifdef INET
	+ struct in_aliasreq in;
	+ if (in_gif_ioctl(sc, SIOCGIFPSRCADDR, (caddr_t)&in) == 0)
	+ nlattr_add_in_addr(nw, IFLA_IPTUN_LOCAL,
	+ &in.ifra_addr.sin_addr);
	+ if (in_gif_ioctl(sc, SIOCGIFPDSTADDR, (caddr_t)&in) == 0)
	+ nlattr_add_in_addr(nw, IFLA_IPTUN_REMOTE,
	+ &in.ifra_addr.sin_addr);
	+#endif
	+ } else if (sc->gif_family == AF_INET6) {
	+#ifdef INET6
	+ struct in6_aliasreq in6;
	+ if (in6_gif_ioctl(sc, SIOCGIFPSRCADDR_IN6, (caddr_t)&in6) == 0)
	+ nlattr_add_in6_addr(nw, IFLA_IPTUN_LOCAL,
	+ &in6.ifra_addr.sin6_addr);
	+ if (in6_gif_ioctl(sc, SIOCGIFPDSTADDR_IN6, (caddr_t)&in6) == 0)
	+ nlattr_add_in6_addr(nw, IFLA_IPTUN_REMOTE,
	+ &in6.ifra_addr.sin6_addr);
	+#endif
	+ }
	+
	+ nlattr_add_u32(nw, IFLA_IPTUN_FLAGS, sc->gif_options);
	+
	+ret:
	+ nlattr_set_len(nw, off2);
	+ nlattr_set_len(nw, off);
	+
	+ sx_sunlock(&gif_ioctl_sx);
	+}
	+
	static int
	-gif_clone_create(struct if_clone *ifc, int unit, caddr_t params)
	+gif_clone_create(struct if_clone ifc, char name, size_t len,
	+ struct ifc_data ifd, struct ifnet *ifpp)
	{
	struct gif_softc *sc;

	@@ -143,7 +297,7 @@
	sc->gif_fibnum = curthread->td_proc->p_fibnum;
	GIF2IFP(sc) = if_alloc(IFT_GIF);
	GIF2IFP(sc)->if_softc = sc;
	- if_initname(GIF2IFP(sc), gifname, unit);
	+ if_initname(GIF2IFP(sc), gifname, ifd->unit);

	GIF2IFP(sc)->if_addrlen = 0;
	GIF2IFP(sc)->if_mtu = GIF_MTU;
	@@ -161,6 +315,7 @@
	bpfattach(GIF2IFP(sc), DLT_NULL, sizeof(u_int32_t));
	if (ng_gif_attach_p != NULL)
	(*ng_gif_attach_p)(GIF2IFP(sc));
	+ *ifpp = GIF2IFP(sc);

	return (0);
	}
	@@ -177,35 +332,49 @@
	if (sc != NULL)
	gif_delete_tunnel(sc);
	sx_xunlock(&gif_ioctl_sx);
	+ if_link_state_change(ifp, LINK_STATE_DOWN);
	}
	#endif /* VIMAGE */

	-static void
	-gif_clone_destroy(struct ifnet *ifp)
	+static int
	+gif_clone_destroy(struct if_clone ifc, struct ifnet ifp, uint32_t flags)
	{
	struct gif_softc *sc;

	sx_xlock(&gif_ioctl_sx);
	sc = ifp->if_softc;
	gif_delete_tunnel(sc);
	+ ifp->if_softc = NULL;
	+ /* Allow other threads to read, (e.g. dump_nl) */
	+ sx_downgrade(&gif_ioctl_sx);
	+ if_link_state_change(GIF2IFP(sc), LINK_STATE_DOWN);
	if (ng_gif_detach_p != NULL)
	(*ng_gif_detach_p)(ifp);
	bpfdetach(ifp);
	if_detach(ifp);
	- ifp->if_softc = NULL;
	- sx_xunlock(&gif_ioctl_sx);
	+ sx_sunlock(&gif_ioctl_sx);

	GIF_WAIT();
	if_free(ifp);
	free(sc, M_GIF);
	+
	+ return (0);
	}

	static void
	vnet_gif_init(const void *unused __unused)
	{
	-
	- V_gif_cloner = if_clone_simple(gifname, gif_clone_create,
	- gif_clone_destroy, 0);
	+ struct if_clone_addreq_v2 req = {
	+ .version = 2,
	+ .flags = IFC_F_AUTOUNIT,
	+ .match_f = NULL,
	+ .create_f = gif_clone_create,
	+ .destroy_f = gif_clone_destroy,
	+ .create_nl_f = gif_clone_create_nl,
	+ .modify_nl_f = gif_clone_modify_nl,
	+ .dump_nl_f = gif_clone_dump_nl,
	+ };
	+ V_gif_cloner = ifc_attach_cloner(gifname, (struct if_clone_addreq *)&req);
	#ifdef INET
	in_gif_init();
	#endif
	@@ -220,7 +389,7 @@
	vnet_gif_uninit(const void *unused __unused)
	{

	- if_clone_detach(V_gif_cloner);
	+ ifc_detach_cloner(V_gif_cloner);
	#ifdef INET
	in_gif_uninit();
	#endif
	@@ -237,6 +406,8 @@

	switch (type) {
	case MOD_LOAD:
	+ NL_VERIFY_PARSERS(all_parsers);
	+ break;
	case MOD_UNLOAD:
	break;
	default:
	@@ -566,6 +737,37 @@
	if_inc_counter(ifp, IFCOUNTER_IERRORS, 1);
	}

	+static int
	+gif_set_flags(struct gif_softc *sc, u_int opt)
	+{
	+ int error = 0;
	+
	+ GIF_LOCK_ASSERT();
	+
	+ if (opt & ~GIF_OPTMASK)
	+ return (EINVAL);
	+ if (sc->gif_options == opt)
	+ return (0);
	+
	+ switch (sc->gif_family) {
	+#ifdef INET
	+ case AF_INET:
	+ error = in_gif_setopts(sc, opt);
	+ break;
	+#endif
	+#ifdef INET6
	+ case AF_INET6:
	+ error = in6_gif_setopts(sc, opt);
	+ break;
	+#endif
	+ default:
	+ /* No need to invoke AF-handler */
	+ sc->gif_options = opt;
	+ }
	+
	+ return (error);
	+}
	+
	static int
	gif_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
	{
	@@ -640,27 +842,7 @@
	sizeof(options));
	if (error)
	break;
	- if (options & ~GIF_OPTMASK) {
	- error = EINVAL;
	- break;
	- }
	- if (sc->gif_options != options) {
	- switch (sc->gif_family) {
	-#ifdef INET
	- case AF_INET:
	- error = in_gif_setopts(sc, options);
	- break;
	-#endif
	-#ifdef INET6
	- case AF_INET6:
	- error = in6_gif_setopts(sc, options);
	- break;
	-#endif
	- default:
	- /* No need to invoke AF-handler */
	- sc->gif_options = options;
	- }
	- }
	+ error = gif_set_flags(sc, options);
	break;
	default:
	error = EINVAL;
	@@ -687,7 +869,7 @@
	gif_delete_tunnel(struct gif_softc *sc)
	{

	- sx_assert(&gif_ioctl_sx, SA_XLOCKED);
	+ GIF_LOCK_ASSERT();
	if (sc->gif_family != 0) {
	CK_LIST_REMOVE(sc, srchash);
	CK_LIST_REMOVE(sc, chain);
	@@ -697,5 +879,62 @@
	}
	sc->gif_family = 0;
	GIF2IFP(sc)->if_drv_flags &= ~IFF_DRV_RUNNING;
	- if_link_state_change(GIF2IFP(sc), LINK_STATE_DOWN);
	+}
	+
	+static int
	+gif_set_addr_nl(struct gif_softc sc, struct nl_pstate npt,
	+ struct sockaddr src, struct sockaddr dst)
	+{
	+#if defined(INET) \|\| defined(INET6)
	+ union {
	+#ifdef INET
	+ struct in_aliasreq in;
	+#endif
	+#ifdef INET6
	+ struct in6_aliasreq in6;
	+#endif
	+ } aliasreq;
	+#endif
	+ int error;
	+
	+ /* XXX: this sanity check runs again in in[6]_gif_ioctl */
	+ if (src->sa_family != dst->sa_family)
	+ error = EADDRNOTAVAIL;
	+#ifdef INET
	+ else if (src->sa_family == AF_INET) {
	+ memcpy(&aliasreq.in.ifra_addr, src, sizeof(struct sockaddr_in));
	+ memcpy(&aliasreq.in.ifra_dstaddr, dst, sizeof(struct sockaddr_in));
	+ error = in_gif_ioctl(sc, SIOCSIFPHYADDR, (caddr_t)&aliasreq.in);
	+ }
	+#endif
	+#ifdef INET6
	+ else if (src->sa_family == AF_INET6) {
	+ memcpy(&aliasreq.in6.ifra_addr, src, sizeof(struct sockaddr_in6));
	+ memcpy(&aliasreq.in6.ifra_dstaddr, dst, sizeof(struct sockaddr_in6));
	+ error = in6_gif_ioctl(sc, SIOCSIFPHYADDR_IN6, (caddr_t)&aliasreq.in6);
	+ }
	+#endif
	+ else
	+ error = EAFNOSUPPORT;
	+
	+ if (error == EADDRNOTAVAIL)
	+ nlmsg_report_err_msg(npt, "address is invalid");
	+ if (error == EEXIST)
	+ nlmsg_report_err_msg(npt, "remote and local addresses are the same");
	+ if (error == EAFNOSUPPORT)
	+ nlmsg_report_err_msg(npt, "address family is not supported");
	+
	+ return (error);
	+}
	+
	+static int
	+gif_set_flags_nl(struct gif_softc sc, struct nl_pstate npt, uint32_t opt)
	+{
	+ int error;
	+
	+ error = gif_set_flags(sc, opt);
	+ if (error == EINVAL)
	+ nlmsg_report_err_msg(npt, "gif flags are invalid");
	+
	+ return (error);
	}
	diff --git a/sys/netlink/route/interface.h b/sys/netlink/route/interface.h
	--- a/sys/netlink/route/interface.h
	+++ b/sys/netlink/route/interface.h
	@@ -272,6 +272,16 @@
	uint32_t mask;
	};

	+/* IFLA_INFO_DATA gif attributes */
	+enum {
	+ IFLA_IPTUN_UNSPEC,
	+ IFLA_IPTUN_LOCAL,
	+ IFLA_IPTUN_REMOTE,
	+ IFLA_IPTUN_FLAGS,
	+ __IFLA_IPTUN_MAX,
	+};
	+#define IFLA_IPTUN_MAX (__IFLA_IPTUN_MAX - 1)
	+
	/* IFLA_INFO_DATA gre attributes */
	enum {
	IFLA_GRE_UNSPEC,
	diff --git a/tests/sys/netlink/Makefile b/tests/sys/netlink/Makefile
	--- a/tests/sys/netlink/Makefile
	+++ b/tests/sys/netlink/Makefile
	@@ -6,6 +6,7 @@
	ATF_TESTS_C+= netlink_socket
	ATF_TESTS_C+= test_snl test_snl_generic
	ATF_TESTS_C+= test_rtnl_gre
	+ATF_TESTS_C+= test_rtnl_gif
	ATF_TESTS_C+= test_rtnl_route
	ATF_TESTS_PYTEST += test_nl_core.py
	ATF_TESTS_PYTEST += test_rtnl_iface.py
	diff --git a/tests/sys/netlink/test_rtnl_gif.c b/tests/sys/netlink/test_rtnl_gif.c
	new file mode 100644
	--- /dev/null
	+++ b/tests/sys/netlink/test_rtnl_gif.c
	@@ -0,0 +1,160 @@
	+/*
	+ * Copyright (c) 2026 Pouria Mousavizadeh Tehrani <pouria@FreeBSD.org>
	+ *
	+ * SPDX-License-Identifier: BSD-2-Clause
	+ */
	+
	+#include <sys/param.h>
	+#include <sys/module.h>
	+#include <sys/types.h>
	+#include <sys/socket.h>
	+#include <netinet/in.h>
	+#include <arpa/inet.h>
	+#include <net/if_gif.h>
	+
	+#include <netlink/netlink.h>
	+#include <netlink/netlink_route.h>
	+#include <netlink/netlink_snl.h>
	+#include <netlink/netlink_snl_route.h>
	+#include <netlink/netlink_snl_route_compat.h>
	+#include <netlink/netlink_snl_route_parsers.h>
	+
	+#include <atf-c.h>
	+
	+struct nl_parsed_gif {
	+ struct sockaddr *ifla_local;
	+ struct sockaddr *ifla_remote;
	+ uint32_t ifla_flags;
	+};
	+
	+struct nla_gif_info {
	+ const char *kind;
	+ struct nl_parsed_gif data;
	+};
	+
	+struct nla_gif_link {
	+ uint32_t ifi_index;
	+ struct nla_gif_info linkinfo;
	+};
	+
	+#define _OUT(_field) offsetof(struct nl_parsed_gif, _field)
	+static const struct snl_attr_parser nla_p_gif[] = {
	+ { .type = IFLA_IPTUN_LOCAL, .off = _OUT(ifla_local), .cb = snl_attr_get_ip },
	+ { .type = IFLA_IPTUN_REMOTE, .off = _OUT(ifla_remote), .cb = snl_attr_get_ip },
	+ { .type = IFLA_IPTUN_FLAGS, .off = _OUT(ifla_flags), .cb = snl_attr_get_uint32 },
	+};
	+#undef _OUT
	+SNL_DECLARE_ATTR_PARSER(gif_linkinfo_data_parser, nla_p_gif);
	+
	+#define _OUT(_field) offsetof(struct nla_gif_info, _field)
	+static const struct snl_attr_parser ap_gif_linkinfo[] = {
	+ { .type = IFLA_INFO_KIND, .off = _OUT(kind), .cb = snl_attr_get_string },
	+ { .type = IFLA_INFO_DATA, .off = _OUT(data),
	+ .arg = &gif_linkinfo_data_parser, .cb = snl_attr_get_nested },
	+};
	+#undef _OUT
	+SNL_DECLARE_ATTR_PARSER(gif_linkinfo_parser, ap_gif_linkinfo);
	+
	+#define _IN(_field) offsetof(struct ifinfomsg, _field)
	+#define _OUT(_field) offsetof(struct nla_gif_link, _field)
	+static const struct snl_attr_parser ap_gif_link[] = {
	+ { .type = IFLA_LINKINFO, .off = _OUT(linkinfo),
	+ .arg = &gif_linkinfo_parser, .cb = snl_attr_get_nested },
	+};
	+
	+static const struct snl_field_parser fp_gif_link[] = {
	+ { .off_in = _IN(ifi_index), .off_out = _OUT(ifi_index), .cb = snl_field_get_uint32 },
	+};
	+#undef _IN
	+#undef _OUT
	+SNL_DECLARE_PARSER(gif_parser, struct ifinfomsg, fp_gif_link, ap_gif_link);
	+
	+ATF_TC(test_rtnl_gif);
	+ATF_TC_HEAD(test_rtnl_gif, tc)
	+{
	+ atf_tc_set_md_var(tc, "descr", "test gif interface using netlink");
	+ atf_tc_set_md_var(tc, "require.user", "root");
	+ atf_tc_set_md_var(tc, "require.kmods", "netlink if_gif");
	+}
	+
	+ATF_TC_BODY(test_rtnl_gif, tc)
	+{
	+ struct snl_state ss;
	+ struct snl_writer nw;
	+ struct nlmsghdr hdr, rx_hdr;
	+ struct in_addr src, dst;
	+ struct nla_gif_link lattrs = {};
	+ struct nl_parsed_gif attrs = {};
	+ struct snl_errmsg_data e = {};
	+ struct ifinfomsg *ifmsg;
	+ int off, off2;
	+
	+ ATF_REQUIRE_MSG(snl_init(&ss, NETLINK_ROUTE), "snl_init() failed");
	+
	+ /* Create gif interface */
	+ snl_init_writer(&ss, &nw);
	+ ATF_REQUIRE((hdr = snl_create_msg_request(&nw, RTM_NEWLINK)) != NULL);
	+ hdr->nlmsg_flags \|= (NLM_F_CREATE \| NLM_F_EXCL \| NLM_F_REQUEST \| NLM_F_ACK);
	+ snl_reserve_msg_object(&nw, struct ifinfomsg);
	+
	+ /* Create parameters */
	+ snl_add_msg_attr_string(&nw, IFLA_IFNAME, "gif10");
	+ off = snl_add_msg_attr_nested(&nw, IFLA_LINKINFO);
	+ snl_add_msg_attr_string(&nw, IFLA_INFO_KIND, "gif");
	+ off2 = snl_add_msg_attr_nested(&nw, IFLA_INFO_DATA);
	+
	+ inet_pton(AF_INET, "127.0.0.1", &src);
	+ inet_pton(AF_INET, "127.0.0.2", &dst);
	+ snl_add_msg_attr_ip4(&nw, IFLA_IPTUN_LOCAL, &src);
	+ snl_add_msg_attr_ip4(&nw, IFLA_IPTUN_REMOTE, &dst);
	+ snl_add_msg_attr_u32(&nw, IFLA_IPTUN_FLAGS, (GIF_NOCLAMP \| GIF_IGNORE_SOURCE));
	+
	+ snl_end_attr_nested(&nw, off2);
	+ snl_end_attr_nested(&nw, off);
	+
	+ ATF_REQUIRE((hdr = snl_finalize_msg(&nw)) != NULL);
	+ ATF_REQUIRE(snl_send_message(&ss, hdr));
	+ ATF_REQUIRE((rx_hdr = snl_read_reply(&ss, hdr->nlmsg_seq)) != NULL);
	+ ATF_REQUIRE(snl_parse_errmsg(&ss, rx_hdr, &e));
	+ ATF_REQUIRE_INTEQ(e.error, 0);
	+
	+ /* Dump gif interface */
	+ snl_init_writer(&ss, &nw);
	+ ATF_REQUIRE((hdr = snl_create_msg_request(&nw, RTM_GETLINK)) != NULL);
	+ hdr->nlmsg_flags \|= NLM_F_DUMP;
	+ snl_reserve_msg_object(&nw, struct ifinfomsg);
	+ snl_add_msg_attr_string(&nw, IFLA_IFNAME, "gif10");
	+ off = snl_add_msg_attr_nested(&nw, IFLA_LINKINFO);
	+ snl_add_msg_attr_string(&nw, IFLA_INFO_KIND, "gif");
	+ snl_end_attr_nested(&nw, off);
	+
	+ ATF_REQUIRE((hdr = snl_finalize_msg(&nw)) != NULL);
	+ ATF_REQUIRE(snl_send_message(&ss, hdr));
	+
	+ /* Check parameters */
	+ ATF_REQUIRE((rx_hdr = snl_read_reply(&ss, hdr->nlmsg_seq)) != NULL);
	+ ATF_CHECK(snl_parse_nlmsg(&ss, rx_hdr, &gif_parser, &lattrs));
	+ attrs = lattrs.linkinfo.data;
	+ ATF_CHECK_STREQ(lattrs.linkinfo.kind, "gif");
	+ ATF_CHECK_INTEQ(attrs.ifla_flags, (GIF_NOCLAMP \| GIF_IGNORE_SOURCE));
	+
	+ /* Delete gif interface */
	+ snl_init_writer(&ss, &nw);
	+ ATF_REQUIRE((hdr = snl_create_msg_request(&nw, RTM_DELLINK)) != NULL);
	+ hdr->nlmsg_flags \|= (NLM_F_ACK \| NLM_F_REQUEST);
	+ ATF_REQUIRE((ifmsg = snl_reserve_msg_object(&nw, struct ifinfomsg)) != NULL);
	+ ifmsg->ifi_index = lattrs.ifi_index;
	+ ATF_REQUIRE((hdr = snl_finalize_msg(&nw)) != NULL);
	+ ATF_REQUIRE(snl_send_message(&ss, hdr));
	+ ATF_REQUIRE((rx_hdr = snl_read_reply(&ss, hdr->nlmsg_seq)) != NULL);
	+ ATF_REQUIRE(snl_parse_errmsg(&ss, rx_hdr, &e));
	+ ATF_REQUIRE_INTEQ(e.error, 0);
	+}
	+
	+ATF_TP_ADD_TCS(tp)
	+{
	+ ATF_TP_ADD_TC(tp, test_rtnl_gif);
	+
	+ return (atf_no_error());
	+}
	+

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