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authorMat Martineau <mathew.j.martineau@linux.intel.com>2020-01-09 07:59:19 -0800
committerDavid S. Miller <davem@davemloft.net>2020-01-09 18:41:41 -0800
commit3ee17bc78e0f3fdeff9890993e8f3a9f5145163b (patch)
tree860bf326123d3bd18af7b07d7f089e74d09f9f28 /include/net
parenttcp, ulp: Add clone operation to tcp_ulp_ops (diff)
downloadlinux-dev-3ee17bc78e0f3fdeff9890993e8f3a9f5145163b.tar.xz
linux-dev-3ee17bc78e0f3fdeff9890993e8f3a9f5145163b.zip
mptcp: Add MPTCP to skb extensions
Add enum value for MPTCP and update config dependencies v5 -> v6: - fixed '__unused' field size Co-developed-by: Matthieu Baerts <matthieu.baerts@tessares.net> Signed-off-by: Matthieu Baerts <matthieu.baerts@tessares.net> Co-developed-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to '')
-rw-r--r--include/net/mptcp.h28
1 files changed, 28 insertions, 0 deletions
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 */