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-rw-r--r--include/uapi/linux/bpf.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/include/uapi/linux/bpf.h b/include/uapi/linux/bpf.h
index 21ee6d52016f..9221f653fee3 100644
--- a/include/uapi/linux/bpf.h
+++ b/include/uapi/linux/bpf.h
@@ -298,6 +298,17 @@ enum bpf_func_id {
* Return: csum result
*/
BPF_FUNC_csum_diff,
+
+ /**
+ * bpf_skb_[gs]et_tunnel_opt(skb, opt, size)
+ * retrieve or populate tunnel options metadata
+ * @skb: pointer to skb
+ * @opt: pointer to raw tunnel option data
+ * @size: size of @opt
+ * Return: 0 on success for set, option size for get
+ */
+ BPF_FUNC_skb_get_tunnel_opt,
+ BPF_FUNC_skb_set_tunnel_opt,
__BPF_FUNC_MAX_ID,
};