Re: [PATCH net] mptcp: fix DSS map generation on fin retransmission

2020-07-07 Thread David Miller
From: Paolo Abeni Date: Fri, 3 Jul 2020 18:06:04 +0200 > The RFC 8684 mandates that no-data DATA FIN packets should carry > a DSS with 0 sequence number and data len equal to 1. Currently, > on FIN retransmission we re-use the existing mapping; if the previous > fin transmission was part of a pa

[PATCH net] mptcp: fix DSS map generation on fin retransmission

2020-07-03 Thread Paolo Abeni
The RFC 8684 mandates that no-data DATA FIN packets should carry a DSS with 0 sequence number and data len equal to 1. Currently, on FIN retransmission we re-use the existing mapping; if the previous fin transmission was part of a partially acked data packet, we could end-up writing in the egress p