diff --git a/include/uapi/linux/bpf.h b/include/uapi/linux/bpf.h
index ee21932..2e3e903 100644
--- a/include/uapi/linux/bpf.h
+++ b/include/uapi/linux/bpf.h
@@ -305,6 +305,7 @@
 
 /* BPF_FUNC_skb_store_bytes flags. */
 #define BPF_F_RECOMPUTE_CSUM		(1ULL << 0)
+#define BPF_F_INVALIDATE_HASH		(1ULL << 1)
 
 /* BPF_FUNC_l3_csum_replace and BPF_FUNC_l4_csum_replace flags.
  * First 4 bits are for passing the header field size.
diff --git a/net/core/filter.c b/net/core/filter.c
index 356a251..a1fe246 100644
--- a/net/core/filter.c
+++ b/net/core/filter.c
@@ -1353,7 +1353,7 @@
 	unsigned int len = (unsigned int) r4;
 	void *ptr;
 
-	if (unlikely(flags & ~(BPF_F_RECOMPUTE_CSUM)))
+	if (unlikely(flags & ~(BPF_F_RECOMPUTE_CSUM | BPF_F_INVALIDATE_HASH)))
 		return -EINVAL;
 
 	/* bpf verifier guarantees that:
@@ -1384,6 +1384,8 @@
 
 	if (flags & BPF_F_RECOMPUTE_CSUM)
 		skb_postpush_rcsum(skb, ptr, len);
+	if (flags & BPF_F_INVALIDATE_HASH)
+		skb_clear_hash(skb);
 
 	return 0;
 }