Christoph Paasch
64d950ae0b
mptcp: Initialize map_seq upon subflow establishment
...
When the other MPTCP-peer uses 32-bit data-sequence numbers, we rely on
map_seq to indicate how to expand to a 64-bit data-sequence number in
expand_seq() when receiving data.
For new subflows, this field is not initialized, thus results in an
"invalid" mapping being discarded.
Fix this by initializing map_seq upon subflow establishment time.
Fixes: f296234c98
("mptcp: Add handling of incoming MP_JOIN requests")
Signed-off-by: Christoph Paasch <cpaasch@apple.com >
Reviewed-by: Paolo Abeni <pabeni@redhat.com >
Signed-off-by: David S. Miller <davem@davemloft.net >
2020-05-12 12:08:22 -07:00
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