diff options
| author | Paolo Abeni <pabeni@redhat.com> | 2020-11-16 10:48:08 +0100 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2020-11-16 10:46:07 -0800 |
| commit | eaa2ffabfc35580da3fb1d31897fb696c514ea7a (patch) | |
| tree | db61feb8c434dec1b3404384651e0cd08f628cf0 /net/mptcp/options.c | |
| parent | f0e6a4cf11f16425ccdc69f4410e4fe59719a9ea (diff) | |
mptcp: introduce MPTCP snd_nxt
Track the next MPTCP sequence number used on xmit,
currently always equal to write_next.
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/mptcp/options.c')
| -rw-r--r-- | net/mptcp/options.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/net/mptcp/options.c b/net/mptcp/options.c index a044dd43411d..a6b57021b6d0 100644 --- a/net/mptcp/options.c +++ b/net/mptcp/options.c @@ -813,7 +813,7 @@ static void update_una(struct mptcp_sock *msk, struct mptcp_options_received *mp_opt) { u64 new_snd_una, snd_una, old_snd_una = atomic64_read(&msk->snd_una); - u64 write_seq = READ_ONCE(msk->write_seq); + u64 snd_nxt = READ_ONCE(msk->snd_nxt); /* avoid ack expansion on update conflict, to reduce the risk of * wrongly expanding to a future ack sequence number, which is way @@ -822,7 +822,7 @@ static void update_una(struct mptcp_sock *msk, new_snd_una = expand_ack(old_snd_una, mp_opt->data_ack, mp_opt->ack64); /* ACK for data not even sent yet? Ignore. */ - if (after64(new_snd_una, write_seq)) + if (after64(new_snd_una, snd_nxt)) new_snd_una = old_snd_una; while (after64(new_snd_una, old_snd_una)) { |