platform: drop unnecessary NMPlatformMptcpAddr.in_kernel flag

Since we don't get netlink notifications when the MPTCP endpoints
change, we don't cache them. And since we don't cache them,
there is less need to mark whether they were received from kernel
or created internally.

src/libnm-platform/nm-platform.c

@@ -7761,14 +7761,12 @@ nm_platform_mptcp_addr_to_string(const NMPlatformMptcpAddr *mptcp_addr, char *bu
 
     g_snprintf(buf,
                len,
-               "%s" /* in_kernel */
                "%s" /* address */
                "%s" /* port */
                "%s" /* id */
                "%s" /* flags */
                "%s" /* ifindex */
                "",
-               mptcp_addr->in_kernel ? "" : "[nm] ",
                str_addr,
                mptcp_addr->port == 0 ? "" : nm_sprintf_buf(str_port, " port %u", mptcp_addr->port),
                mptcp_addr->id == 0 ? "" : nm_sprintf_buf(str_id, " id %u", mptcp_addr->id),
@@ -7785,13 +7783,7 @@ nm_platform_mptcp_addr_hash_update(const NMPlatformMptcpAddr *obj, NMHashState *
     nm_assert(obj);
     nm_assert_addr_family_or_unspec(obj->addr_family);
 
-    nm_hash_update_vals(h,
+    nm_hash_update_vals(h, obj->id, obj->flags, obj->port, obj->addr_family, obj->ifindex);
-                        obj->id,
-                        obj->flags,
-                        obj->port,
-                        obj->addr_family,
-                        (bool) obj->in_kernel,
-                        obj->ifindex);
     if (NM_IN_SET(obj->addr_family, AF_INET, AF_INET6))
         nm_hash_update(h, &obj->addr, nm_utils_addr_family_to_size(obj->addr_family));
 }
@@ -7806,7 +7798,6 @@ nm_platform_mptcp_addr_cmp(const NMPlatformMptcpAddr *a, const NMPlatformMptcpAd
 
     NM_CMP_FIELD(a, b, ifindex);
     NM_CMP_FIELD(a, b, id);
-    NM_CMP_FIELD_UNSAFE(a, b, in_kernel);
     NM_CMP_FIELD(a, b, addr_family);
     if (NM_IN_SET(a->addr_family, AF_INET, AF_INET6))
         NM_CMP_FIELD_MEMCMP_LEN(a, b, addr, nm_utils_addr_family_to_size(a->addr_family));

src/libnm-platform/nm-platform.h

@@ -1098,21 +1098,11 @@ typedef void (*NMPlatformAsyncCallback)(GError *error, gpointer user_data);
 
 typedef struct {
     __NMPlatformObjWithIfindex_COMMON;
-
     guint32  id;
     guint32  flags;
     guint16  port;
     NMIPAddr addr;
     gint8    addr_family;
-
-    /* If TRUE, then the instance was received by kernel and is inside NMPlatform
-     * cache. In that case, the "id" is set and acts as primary key for the instance.
-     *
-     * If FALSE, this instance is not yet configured in kernel. In this case,
-     * the tuple (id, addr_family, addr) is the primary key of the instance.
-     * This way, we can track mptcp addresses in NetworkManager internally,
-     * before configuring them in kernel. */
-    bool in_kernel : 1;
 } NMPlatformMptcpAddr;
 
 #undef __NMPlatformObjWithIfindex_COMMON