sctp: allow increasing cwnd regardless of ctsn moving or not

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As per RFC4960 Errata 3.22, this condition is not needed anymore as it
could cause the partial_bytes_acked to not consider the TSNs acked in
the Gap Ack Blocks although they were received by the peer successfully.

This patch thus drops the check for new Cumulative TSN Ack Point,
leaving just the flight_size < cwnd one.

See-also: https://tools.ietf.org/html/draft-ietf-tsvwg-rfc4960-errata-01#section-3.22
Signed-off-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Marcelo Ricardo Leitner 2017-06-23 19:59:34 -03:00 • committed by David S. Miller

parent d0b53f4097

commit e56f777af8

1 changed files with 8 additions and 9 deletions

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net/sctp/transport.c

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