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-rw-r--r--include/linux/skbuff.h3
-rw-r--r--include/net/mptcp.h28
2 files changed, 31 insertions, 0 deletions
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 64e5b1be9ff5..f5c27600b410 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -4097,6 +4097,9 @@ enum skb_ext_id {
#if IS_ENABLED(CONFIG_NET_TC_SKB_EXT)
TC_SKB_EXT,
#endif
+#if IS_ENABLED(CONFIG_MPTCP)
+ SKB_EXT_MPTCP,
+#endif
SKB_EXT_NUM, /* must be last */
};
diff --git a/include/net/mptcp.h b/include/net/mptcp.h
new file mode 100644
index 000000000000..326043c29c0a
--- /dev/null
+++ b/include/net/mptcp.h
@@ -0,0 +1,28 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Multipath TCP
+ *
+ * Copyright (c) 2017 - 2019, Intel Corporation.
+ */
+
+#ifndef __NET_MPTCP_H
+#define __NET_MPTCP_H
+
+#include <linux/types.h>
+
+/* MPTCP sk_buff extension data */
+struct mptcp_ext {
+ u64 data_ack;
+ u64 data_seq;
+ u32 subflow_seq;
+ u16 data_len;
+ u8 use_map:1,
+ dsn64:1,
+ data_fin:1,
+ use_ack:1,
+ ack64:1,
+ __unused:3;
+ /* one byte hole */
+};
+
+#endif /* __NET_MPTCP_H */