267 static void __metadata_dst_init(struct metadata_dst *md_dst,  in __metadata_dst_init()  argument
272 	dst = &md_dst->dst;  in __metadata_dst_init()
275 	memset(dst + 1, 0, sizeof(*md_dst) + optslen - sizeof(*dst));  in __metadata_dst_init()
276 	md_dst->type = type;  in __metadata_dst_init()
282 	struct metadata_dst *md_dst;  in metadata_dst_alloc()  local
284 	md_dst = kmalloc(sizeof(*md_dst) + optslen, flags);  in metadata_dst_alloc()
285 	if (!md_dst)  in metadata_dst_alloc()
288 	__metadata_dst_init(md_dst, type, optslen);  in metadata_dst_alloc()
290 	return md_dst;  in metadata_dst_alloc()
294 void metadata_dst_free(struct metadata_dst *md_dst)  in metadata_dst_free()  argument
297 	if (md_dst->type == METADATA_IP_TUNNEL)  in metadata_dst_free()
298 		dst_cache_destroy(&md_dst->u.tun_info.dst_cache);  in metadata_dst_free()
300 	if (md_dst->type == METADATA_XFRM)  in metadata_dst_free()
301 		dst_release(md_dst->u.xfrm_info.dst_orig);  in metadata_dst_free()
302 	kfree(md_dst);  in metadata_dst_free()
310 	struct metadata_dst __percpu *md_dst;  in metadata_dst_alloc_percpu()  local
312 	md_dst = __alloc_percpu_gfp(sizeof(struct metadata_dst) + optslen,  in metadata_dst_alloc_percpu()
314 	if (!md_dst)  in metadata_dst_alloc_percpu()
318 		__metadata_dst_init(per_cpu_ptr(md_dst, cpu), type, optslen);  in metadata_dst_alloc_percpu()
320 	return md_dst;  in metadata_dst_alloc_percpu()
324 void metadata_dst_free_percpu(struct metadata_dst __percpu *md_dst)  in metadata_dst_free_percpu()  argument
329 		struct metadata_dst *one_md_dst = per_cpu_ptr(md_dst, cpu);  in metadata_dst_free_percpu()
338 	free_percpu(md_dst);  in metadata_dst_free_percpu()