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-rw-r--r--net/mptcp/protocol.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/net/mptcp/protocol.h b/net/mptcp/protocol.h
index d0803dfb8108..809687d3f410 100644
--- a/net/mptcp/protocol.h
+++ b/net/mptcp/protocol.h
@@ -289,6 +289,7 @@ struct mptcp_subflow_context {
data_avail : 1,
rx_eof : 1,
data_fin_tx_enable : 1,
+ use_64bit_ack : 1, /* Set when we received a 64-bit DSN */
can_ack : 1; /* only after processing the remote a key */
u64 data_fin_tx_seq;
u32 remote_nonce;