platform: support VTI6 tunnels

This commit is contained in:
Beniamino Galvani 2022-10-25 08:31:47 +02:00
parent 1cf8df2f35
commit b669a3ae46
11 changed files with 269 additions and 3 deletions

View file

@ -2158,6 +2158,47 @@ nmtstp_link_vti_add(NMPlatform *platform,
return pllink;
}
const NMPlatformLink *
nmtstp_link_vti6_add(NMPlatform *platform,
gboolean external_command,
const char *name,
const NMPlatformLnkVti6 *lnk)
{
const NMPlatformLink *pllink = NULL;
gboolean success;
char b1[INET6_ADDRSTRLEN];
char b2[INET6_ADDRSTRLEN];
g_assert(nm_utils_ifname_valid_kernel(name, NULL));
external_command = nmtstp_run_command_check_external(external_command);
_init_platform(&platform, external_command);
if (external_command) {
gs_free char *dev = NULL;
if (lnk->parent_ifindex)
dev =
g_strdup_printf("dev %s", nm_platform_link_get_name(platform, lnk->parent_ifindex));
success = !nmtstp_run_command(
"ip link add %s type vti6 %s local %s remote %s ikey %u okey %u fwmark 0x%x",
name,
dev ?: "",
nm_inet6_ntop(&lnk->local, b1),
nm_inet6_ntop(&lnk->remote, b2),
lnk->ikey,
lnk->okey,
lnk->fwmark);
if (success)
pllink = nmtstp_assert_wait_for_link(platform, name, NM_LINK_TYPE_VTI6, 100);
} else
success = NMTST_NM_ERR_SUCCESS(nm_platform_link_vti6_add(platform, name, lnk, &pllink));
_assert_pllink(platform, success, pllink, name, NM_LINK_TYPE_VTI6);
return pllink;
}
const NMPlatformLink *
nmtstp_link_vrf_add(NMPlatform *platform,
int external_command,

View file

@ -508,6 +508,10 @@ const NMPlatformLink *nmtstp_link_vti_add(NMPlatform *platform,
gboolean external_command,
const char *name,
const NMPlatformLnkVti *lnk);
const NMPlatformLink *nmtstp_link_vti6_add(NMPlatform *platform,
gboolean external_command,
const char *name,
const NMPlatformLnkVti6 *lnk);
const NMPlatformLink *nmtstp_link_vrf_add(NMPlatform *platform,
int external_command,
const char *name,

View file

@ -1286,9 +1286,10 @@ test_software_detect(gconstpointer user_data)
const gboolean ext = test_data->external_command;
NMPlatformLnkBridge lnk_bridge = {};
NMPlatformLnkTun lnk_tun;
NMPlatformLnkGre lnk_gre = {};
NMPlatformLnkVti lnk_vti = {};
nm_auto_close int tun_fd = -1;
NMPlatformLnkGre lnk_gre = {};
NMPlatformLnkVti lnk_vti = {};
NMPlatformLnkVti6 lnk_vti6 = {};
nm_auto_close int tun_fd = -1;
nmtstp_run_command_check("ip link add %s type dummy", PARENT_NAME);
ifindex_parent =
@ -1642,6 +1643,32 @@ test_software_detect(gconstpointer user_data)
}
break;
}
case NM_LINK_TYPE_VTI6:
{
gboolean gracefully_skip = FALSE;
if (!nm_platform_link_get_by_ifname(NM_PLATFORM_GET, "ip6_vti0")) {
/* Seems that the ip6_vti module is not loaded... try to load it. */
gracefully_skip = nmp_utils_modprobe(NULL, TRUE, "ip6_vti", NULL) != 0;
}
lnk_vti6.local = nmtst_inet6_from_string("fd01::1");
lnk_vti6.remote = nmtst_inet6_from_string("fd02::2");
lnk_vti6.parent_ifindex = ifindex_parent;
lnk_vti6.fwmark = 0x43;
lnk_vti6.ikey = 13;
lnk_vti6.okey = 14;
if (!nmtstp_link_vti6_add(NULL, ext, DEVICE_NAME, &lnk_vti6)) {
if (gracefully_skip) {
g_test_skip(
"Cannot create vti6 tunnel because of missing vti module (modprobe ip_vti)");
goto out_delete_parent;
}
g_error("Failed adding VTI6 tunnel");
}
break;
}
case NM_LINK_TYPE_VXLAN:
{
NMPlatformLnkVxlan lnk_vxlan = {};
@ -1992,6 +2019,14 @@ test_software_detect(gconstpointer user_data)
g_assert(nm_platform_lnk_vti_cmp(plnk, &lnk_vti) == 0);
break;
}
case NM_LINK_TYPE_VTI6:
{
const NMPlatformLnkVti6 *plnk = &lnk->lnk_vti6;
g_assert(plnk == nm_platform_link_get_lnk_vti6(NM_PLATFORM_GET, ifindex, NULL));
g_assert(nm_platform_lnk_vti6_cmp(plnk, &lnk_vti6) == 0);
break;
}
case NM_LINK_TYPE_VXLAN:
{
const NMPlatformLnkVxlan *plnk = &lnk->lnk_vxlan;
@ -3897,6 +3932,7 @@ _nmtstp_setup_tests(void)
test_software_detect_add("/link/software/detect/vlan/0", NM_LINK_TYPE_VLAN, 0);
test_software_detect_add("/link/software/detect/vlan/1", NM_LINK_TYPE_VLAN, 1);
test_software_detect_add("/link/software/detect/vti", NM_LINK_TYPE_VTI, 0);
test_software_detect_add("/link/software/detect/vti6", NM_LINK_TYPE_VTI6, 0);
test_software_detect_add("/link/software/detect/vrf", NM_LINK_TYPE_VRF, 0);
test_software_detect_add("/link/software/detect/vxlan/0", NM_LINK_TYPE_VXLAN, 0);
test_software_detect_add("/link/software/detect/vxlan/1", NM_LINK_TYPE_VXLAN, 1);

View file

@ -140,6 +140,7 @@ typedef enum {
NM_LINK_TYPE_VLAN,
NM_LINK_TYPE_VRF,
NM_LINK_TYPE_VTI,
NM_LINK_TYPE_VTI6,
NM_LINK_TYPE_VXLAN,
NM_LINK_TYPE_WIREGUARD,
#define _NM_LINK_TYPE_SW_LAST NM_LINK_TYPE_WIREGUARD

View file

@ -809,6 +809,7 @@ static const LinkDesc link_descs[] = {
[NM_LINK_TYPE_VLAN] = {"vlan", "vlan", "vlan"},
[NM_LINK_TYPE_VRF] = {"vrf", "vrf", "vrf"},
[NM_LINK_TYPE_VTI] = {"vti", "vti", NULL},
[NM_LINK_TYPE_VTI6] = {"vti6", "vti6", NULL},
[NM_LINK_TYPE_VXLAN] = {"vxlan", "vxlan", "vxlan"},
[NM_LINK_TYPE_WIREGUARD] = {"wireguard", "wireguard", "wireguard"},
@ -852,6 +853,7 @@ _link_type_from_rtnl_type(const char *name)
NM_LINK_TYPE_VLAN, /* "vlan" */
NM_LINK_TYPE_VRF, /* "vrf" */
NM_LINK_TYPE_VTI, /* "vti" */
NM_LINK_TYPE_VTI6, /* "vti6" */
NM_LINK_TYPE_VXLAN, /* "vxlan" */
NM_LINK_TYPE_WIMAX, /* "wimax" */
NM_LINK_TYPE_WIREGUARD, /* "wireguard" */
@ -2440,6 +2442,42 @@ _parse_lnk_vti(const char *kind, struct nlattr *info_data)
return obj;
}
static NMPObject *
_parse_lnk_vti6(const char *kind, struct nlattr *info_data)
{
static const struct nla_policy policy[] = {
[IFLA_VTI_LINK] = {.type = NLA_U32},
[IFLA_VTI_LOCAL] = {.minlen = sizeof(struct in6_addr)},
[IFLA_VTI_REMOTE] = {.minlen = sizeof(struct in6_addr)},
[IFLA_VTI_IKEY] = {.type = NLA_U32},
[IFLA_VTI_OKEY] = {.type = NLA_U32},
[IFLA_VTI_FWMARK] = {.type = NLA_U32},
};
struct nlattr *tb[G_N_ELEMENTS(policy)];
NMPObject *obj;
NMPlatformLnkVti6 *props;
if (!info_data || !nm_streq0(kind, "vti6"))
return NULL;
if (nla_parse_nested_arr(tb, info_data, policy) < 0)
return NULL;
obj = nmp_object_new(NMP_OBJECT_TYPE_LNK_VTI6, NULL);
props = &obj->lnk_vti6;
props->parent_ifindex = tb[IFLA_VTI_LINK] ? nla_get_u32(tb[IFLA_VTI_LINK]) : 0;
if (tb[IFLA_VTI_LOCAL])
props->local = *nla_data_as(struct in6_addr, tb[IFLA_VTI_LOCAL]);
if (tb[IFLA_VTI_REMOTE])
props->remote = *nla_data_as(struct in6_addr, tb[IFLA_VTI_REMOTE]);
props->ikey = tb[IFLA_VTI_IKEY] ? ntohl(nla_get_u32(tb[IFLA_VTI_IKEY])) : 0;
props->okey = tb[IFLA_VTI_OKEY] ? ntohl(nla_get_u32(tb[IFLA_VTI_OKEY])) : 0;
props->fwmark = tb[IFLA_VTI_FWMARK] ? nla_get_u32(tb[IFLA_VTI_FWMARK]) : 0;
return obj;
}
static NMPObject *
_parse_lnk_vrf(const char *kind, struct nlattr *info_data)
{
@ -3433,6 +3471,9 @@ _new_from_nl_link(NMPlatform *platform,
case NM_LINK_TYPE_VTI:
lnk_data = _parse_lnk_vti(nl_info_kind, nl_info_data);
break;
case NM_LINK_TYPE_VTI6:
lnk_data = _parse_lnk_vti6(nl_info_kind, nl_info_data);
break;
case NM_LINK_TYPE_VXLAN:
lnk_data = _parse_lnk_vxlan(nl_info_kind, nl_info_data);
break;
@ -4977,6 +5018,26 @@ _nl_msg_new_link_set_linkinfo(struct nl_msg *msg, NMLinkType link_type, gconstpo
NLA_PUT_U32(msg, IFLA_VTI_FWMARK, props->fwmark);
break;
}
case NM_LINK_TYPE_VTI6:
{
const NMPlatformLnkVti6 *props = extra_data;
nm_assert(props);
if (!(data = nla_nest_start(msg, IFLA_INFO_DATA)))
goto nla_put_failure;
if (props->parent_ifindex > 0)
NLA_PUT_U32(msg, IFLA_VTI_LINK, props->parent_ifindex);
if (!IN6_IS_ADDR_UNSPECIFIED(&props->local))
NLA_PUT(msg, IFLA_VTI_LOCAL, sizeof(props->local), &props->local);
if (!IN6_IS_ADDR_UNSPECIFIED(&props->remote))
NLA_PUT(msg, IFLA_VTI_REMOTE, sizeof(props->remote), &props->remote);
NLA_PUT_U32(msg, IFLA_VTI_IKEY, htonl(props->ikey));
NLA_PUT_U32(msg, IFLA_VTI_OKEY, htonl(props->okey));
NLA_PUT_U32(msg, IFLA_VTI_FWMARK, props->fwmark);
break;
}
default:
nm_assert(!extra_data);
break;

View file

@ -1376,6 +1376,12 @@ nm_platform_link_add(NMPlatform *self,
buf_p,
buf_len);
break;
case NM_LINK_TYPE_VTI6:
nm_strbuf_append_str(&buf_p, &buf_len, ", ");
nm_platform_lnk_vti6_to_string((const NMPlatformLnkVti6 *) extra_data,
buf_p,
buf_len);
break;
case NM_LINK_TYPE_BOND:
nm_strbuf_append_str(&buf_p, &buf_len, ", ");
nm_platform_lnk_bond_to_string((const NMPlatformLnkBond *) extra_data,
@ -2430,6 +2436,12 @@ nm_platform_link_get_lnk_vti(NMPlatform *self, int ifindex, const NMPlatformLink
return _link_get_lnk(self, ifindex, NM_LINK_TYPE_VTI, out_link);
}
const NMPlatformLnkVti6 *
nm_platform_link_get_lnk_vti6(NMPlatform *self, int ifindex, const NMPlatformLink **out_link)
{
return _link_get_lnk(self, ifindex, NM_LINK_TYPE_VTI6, out_link);
}
const NMPlatformLnkVxlan *
nm_platform_link_get_lnk_vxlan(NMPlatform *self, int ifindex, const NMPlatformLink **out_link)
{
@ -6547,6 +6559,46 @@ nm_platform_lnk_vti_to_string(const NMPlatformLnkVti *lnk, char *buf, gsize len)
return buf;
}
const char *
nm_platform_lnk_vti6_to_string(const NMPlatformLnkVti6 *lnk, char *buf, gsize len)
{
char str_local[30 + NM_INET_ADDRSTRLEN];
char str_local1[NM_INET_ADDRSTRLEN];
char str_remote[30 + NM_INET_ADDRSTRLEN];
char str_remote1[NM_INET_ADDRSTRLEN];
char str_ikey[30];
char str_okey[30];
char str_fwmark[30];
char str_parent_ifindex[30];
if (!nm_utils_to_string_buffer_init_null(lnk, &buf, &len))
return buf;
g_snprintf(
buf,
len,
"vti6"
"%s" /* remote */
"%s" /* local */
"%s" /* parent_ifindex */
"%s" /* ikey */
"%s" /* okey */
"%s" /* fwmark */
"",
IN6_IS_ADDR_UNSPECIFIED(&lnk->remote)
? ""
: nm_sprintf_buf(str_remote, " remote %s", nm_inet6_ntop(&lnk->remote, str_remote1)),
IN6_IS_ADDR_UNSPECIFIED(&lnk->local)
? ""
: nm_sprintf_buf(str_local, " local %s", nm_inet6_ntop(&lnk->local, str_local1)),
lnk->parent_ifindex ? nm_sprintf_buf(str_parent_ifindex, " dev %d", lnk->parent_ifindex)
: "",
lnk->ikey ? nm_sprintf_buf(str_ikey, " ikey %u", lnk->ikey) : "",
lnk->okey ? nm_sprintf_buf(str_okey, " okey %u", lnk->okey) : "",
lnk->fwmark ? nm_sprintf_buf(str_fwmark, " fwmark 0x%x", lnk->fwmark) : "");
return buf;
}
const char *
nm_platform_lnk_vrf_to_string(const NMPlatformLnkVrf *lnk, char *buf, gsize len)
{
@ -8261,6 +8313,31 @@ nm_platform_lnk_vti_cmp(const NMPlatformLnkVti *a, const NMPlatformLnkVti *b)
return 0;
}
void
nm_platform_lnk_vti6_hash_update(const NMPlatformLnkVti6 *obj, NMHashState *h)
{
nm_hash_update_vals(h,
obj->local,
obj->remote,
obj->parent_ifindex,
obj->ikey,
obj->okey,
obj->fwmark);
}
int
nm_platform_lnk_vti6_cmp(const NMPlatformLnkVti6 *a, const NMPlatformLnkVti6 *b)
{
NM_CMP_SELF(a, b);
NM_CMP_FIELD(a, b, parent_ifindex);
NM_CMP_FIELD_MEMCMP(a, b, local);
NM_CMP_FIELD_MEMCMP(a, b, remote);
NM_CMP_FIELD(a, b, ikey);
NM_CMP_FIELD(a, b, okey);
NM_CMP_FIELD(a, b, fwmark);
return 0;
}
void
nm_platform_lnk_vxlan_hash_update(const NMPlatformLnkVxlan *obj, NMHashState *h)
{

View file

@ -822,6 +822,15 @@ typedef struct {
guint32 fwmark;
} _nm_alignas(NMPlatformObject) NMPlatformLnkVti;
typedef struct {
int parent_ifindex;
struct in6_addr local;
struct in6_addr remote;
guint32 ikey;
guint32 okey;
guint32 fwmark;
} _nm_alignas(NMPlatformObject) NMPlatformLnkVti6;
typedef struct {
int parent_ifindex;
guint64 sci; /* host byte order */
@ -1696,6 +1705,15 @@ nm_platform_link_vti_add(NMPlatform *self,
return nm_platform_link_add(self, NM_LINK_TYPE_VTI, name, 0, NULL, 0, 0, props, out_link);
}
static inline int
nm_platform_link_vti6_add(NMPlatform *self,
const char *name,
const NMPlatformLnkVti6 *props,
const NMPlatformLink **out_link)
{
return nm_platform_link_add(self, NM_LINK_TYPE_VTI6, name, 0, NULL, 0, 0, props, out_link);
}
static inline int
nm_platform_link_vxlan_add(NMPlatform *self,
const char *name,
@ -1987,6 +2005,8 @@ const NMPlatformLnkVrf *
nm_platform_link_get_lnk_vrf(NMPlatform *self, int ifindex, const NMPlatformLink **out_link);
const NMPlatformLnkVti *
nm_platform_link_get_lnk_vti(NMPlatform *self, int ifindex, const NMPlatformLink **out_link);
const NMPlatformLnkVti6 *
nm_platform_link_get_lnk_vti6(NMPlatform *self, int ifindex, const NMPlatformLink **out_link);
const NMPlatformLnkVxlan *
nm_platform_link_get_lnk_vxlan(NMPlatform *self, int ifindex, const NMPlatformLink **out_link);
const NMPlatformLnkWireGuard *
@ -2276,6 +2296,7 @@ const char *nm_platform_lnk_tun_to_string(const NMPlatformLnkTun *lnk, char *buf
const char *nm_platform_lnk_vlan_to_string(const NMPlatformLnkVlan *lnk, char *buf, gsize len);
const char *nm_platform_lnk_vrf_to_string(const NMPlatformLnkVrf *lnk, char *buf, gsize len);
const char *nm_platform_lnk_vti_to_string(const NMPlatformLnkVti *lnk, char *buf, gsize len);
const char *nm_platform_lnk_vti6_to_string(const NMPlatformLnkVti6 *lnk, char *buf, gsize len);
const char *nm_platform_lnk_vxlan_to_string(const NMPlatformLnkVxlan *lnk, char *buf, gsize len);
const char *
nm_platform_lnk_wireguard_to_string(const NMPlatformLnkWireGuard *lnk, char *buf, gsize len);
@ -2327,6 +2348,7 @@ int nm_platform_lnk_tun_cmp(const NMPlatformLnkTun *a, const NMPlatformLnkTun *b
int nm_platform_lnk_vlan_cmp(const NMPlatformLnkVlan *a, const NMPlatformLnkVlan *b);
int nm_platform_lnk_vrf_cmp(const NMPlatformLnkVrf *a, const NMPlatformLnkVrf *b);
int nm_platform_lnk_vti_cmp(const NMPlatformLnkVti *a, const NMPlatformLnkVti *b);
int nm_platform_lnk_vti6_cmp(const NMPlatformLnkVti6 *a, const NMPlatformLnkVti6 *b);
int nm_platform_lnk_vxlan_cmp(const NMPlatformLnkVxlan *a, const NMPlatformLnkVxlan *b);
int nm_platform_lnk_wireguard_cmp(const NMPlatformLnkWireGuard *a, const NMPlatformLnkWireGuard *b);
@ -2390,6 +2412,7 @@ void nm_platform_lnk_tun_hash_update(const NMPlatformLnkTun *obj, NMHashState *h
void nm_platform_lnk_vlan_hash_update(const NMPlatformLnkVlan *obj, NMHashState *h);
void nm_platform_lnk_vrf_hash_update(const NMPlatformLnkVrf *obj, NMHashState *h);
void nm_platform_lnk_vti_hash_update(const NMPlatformLnkVti *obj, NMHashState *h);
void nm_platform_lnk_vti6_hash_update(const NMPlatformLnkVti6 *obj, NMHashState *h);
void nm_platform_lnk_vxlan_hash_update(const NMPlatformLnkVxlan *obj, NMHashState *h);
void nm_platform_lnk_wireguard_hash_update(const NMPlatformLnkWireGuard *obj, NMHashState *h);

View file

@ -162,6 +162,7 @@ typedef enum _nm_packed {
NMP_OBJECT_TYPE_LNK_VLAN,
NMP_OBJECT_TYPE_LNK_VRF,
NMP_OBJECT_TYPE_LNK_VTI,
NMP_OBJECT_TYPE_LNK_VTI6,
NMP_OBJECT_TYPE_LNK_VXLAN,
NMP_OBJECT_TYPE_LNK_WIREGUARD,
NMP_OBJECT_TYPE_LNK_BOND,

View file

@ -3613,6 +3613,18 @@ const NMPClass _nmp_classes[NMP_OBJECT_TYPE_MAX] = {
.cmd_plobj_hash_update = (CmdPlobjHashUpdateFunc) nm_platform_lnk_vti_hash_update,
.cmd_plobj_cmp = (CmdPlobjCmpFunc) nm_platform_lnk_vti_cmp,
},
[NMP_OBJECT_TYPE_LNK_VTI6 - 1] =
{
.parent = DEDUP_MULTI_OBJ_CLASS_INIT(),
.obj_type = NMP_OBJECT_TYPE_LNK_VTI6,
.sizeof_data = sizeof(NMPObjectLnkVti6),
.sizeof_public = sizeof(NMPlatformLnkVti6),
.obj_type_name = "vti6",
.lnk_link_type = NM_LINK_TYPE_VTI6,
.cmd_plobj_to_string = (CmdPlobjToStringFunc) nm_platform_lnk_vti6_to_string,
.cmd_plobj_hash_update = (CmdPlobjHashUpdateFunc) nm_platform_lnk_vti6_hash_update,
.cmd_plobj_cmp = (CmdPlobjCmpFunc) nm_platform_lnk_vti6_cmp,
},
[NMP_OBJECT_TYPE_LNK_VXLAN - 1] =
{
.parent = DEDUP_MULTI_OBJ_CLASS_INIT(),

View file

@ -300,6 +300,10 @@ typedef struct {
NMPlatformLnkVti _public;
} NMPObjectLnkVti;
typedef struct {
NMPlatformLnkVti6 _public;
} NMPObjectLnkVti6;
typedef struct {
NMPlatformLnkVxlan _public;
} NMPObjectLnkVxlan;
@ -403,6 +407,9 @@ struct _NMPObject {
NMPlatformLnkVti lnk_vti;
NMPObjectLnkVti _lnk_vti;
NMPlatformLnkVti6 lnk_vti6;
NMPObjectLnkVti6 _lnk_vti6;
NMPlatformLnkVxlan lnk_vxlan;
NMPObjectLnkVxlan _lnk_vxlan;
@ -536,6 +543,7 @@ _NMP_OBJECT_TYPE_IS_OBJ_WITH_IFINDEX(NMPObjectType obj_type)
case NMP_OBJECT_TYPE_LNK_VLAN:
case NMP_OBJECT_TYPE_LNK_VRF:
case NMP_OBJECT_TYPE_LNK_VTI:
case NMP_OBJECT_TYPE_LNK_VTI6:
case NMP_OBJECT_TYPE_LNK_VXLAN:
case NMP_OBJECT_TYPE_LNK_WIREGUARD:

View file

@ -30,6 +30,7 @@ G_STATIC_ASSERT(_nm_alignof(NMPlatformObject) == _nm_alignof(NMPObjectLnkTun));
G_STATIC_ASSERT(_nm_alignof(NMPlatformObject) == _nm_alignof(NMPObjectLnkVlan));
G_STATIC_ASSERT(_nm_alignof(NMPlatformObject) == _nm_alignof(NMPObjectLnkVrf));
G_STATIC_ASSERT(_nm_alignof(NMPlatformObject) == _nm_alignof(NMPObjectLnkVti));
G_STATIC_ASSERT(_nm_alignof(NMPlatformObject) == _nm_alignof(NMPObjectLnkVti6));
G_STATIC_ASSERT(_nm_alignof(NMPlatformObject) == _nm_alignof(NMPObjectLnkVxlan));
G_STATIC_ASSERT(_nm_alignof(NMPlatformObject) == _nm_alignof(NMPObjectLnkWireGuard));
G_STATIC_ASSERT(_nm_alignof(NMPlatformObject) == _nm_alignof(NMPObjectQdisc));
@ -59,6 +60,7 @@ G_STATIC_ASSERT(_nm_alignof(NMPlatformObject) == _nm_alignof(NMPlatformLnkTun));
G_STATIC_ASSERT(_nm_alignof(NMPlatformObject) == _nm_alignof(NMPlatformLnkVlan));
G_STATIC_ASSERT(_nm_alignof(NMPlatformObject) == _nm_alignof(NMPlatformLnkVrf));
G_STATIC_ASSERT(_nm_alignof(NMPlatformObject) == _nm_alignof(NMPlatformLnkVti));
G_STATIC_ASSERT(_nm_alignof(NMPlatformObject) == _nm_alignof(NMPlatformLnkVti6));
G_STATIC_ASSERT(_nm_alignof(NMPlatformObject) == _nm_alignof(NMPlatformLnkVxlan));
G_STATIC_ASSERT(_nm_alignof(NMPlatformObject) == _nm_alignof(NMPlatformLnkWireGuard));
G_STATIC_ASSERT(_nm_alignof(NMPlatformObject) == _nm_alignof(NMPlatformObjWithIfindex));