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-rw-r--r--include/uapi/linux/bpf.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/include/uapi/linux/bpf.h b/include/uapi/linux/bpf.h
index c65b374a5090..19684813faae 100644
--- a/include/uapi/linux/bpf.h
+++ b/include/uapi/linux/bpf.h
@@ -3761,6 +3761,19 @@ struct xdp_md {
__u32 egress_ifindex; /* txq->dev->ifindex */
};
+/* DEVMAP map-value layout
+ *
+ * The struct data-layout of map-value is a configuration interface.
+ * New members can only be added to the end of this structure.
+ */
+struct bpf_devmap_val {
+ __u32 ifindex; /* device index */
+ union {
+ int fd; /* prog fd on map write */
+ __u32 id; /* prog id on map read */
+ } bpf_prog;
+};
+
enum sk_action {
SK_DROP = 0,
SK_PASS,