From: Paolo Abeni <pabeni@xxxxxxxxxx>
That will avoid an unneeded conditional in both the fast-path
and in the fallback case and will simplify a bit the next
patch.
Signed-off-by: Paolo Abeni <pabeni@xxxxxxxxxx>
Reviewed-by: Matthieu Baerts <matthieu.baerts@xxxxxxxxxxxx>
Signed-off-by: Matthieu Baerts <matthieu.baerts@xxxxxxxxxxxx>
---
net/mptcp/options.c | 6 ++++++
net/mptcp/protocol.c | 6 ------
2 files changed, 6 insertions(+), 6 deletions(-)
diff --git a/net/mptcp/options.c b/net/mptcp/options.c
index 8a8083207be4..4bdcd2b326bd 100644
--- a/net/mptcp/options.c
+++ b/net/mptcp/options.c
@@ -1119,6 +1119,12 @@ bool mptcp_incoming_options(struct sock *sk, struct sk_buff *skb)
mptcp_data_lock(subflow->conn);
if (sk_stream_memory_free(sk))
__mptcp_check_push(subflow->conn, sk);
+
+ /* on fallback we just need to ignore the msk-level snd_una, as
+ * this is really plain TCP
+ */
+ msk->snd_una = READ_ONCE(msk->snd_nxt);
+
__mptcp_data_acked(subflow->conn);
mptcp_data_unlock(subflow->conn);
return true;
diff --git a/net/mptcp/protocol.c b/net/mptcp/protocol.c
index 992b89c75631..9c756d675d4d 100644
--- a/net/mptcp/protocol.c
+++ b/net/mptcp/protocol.c
@@ -1004,12 +1004,6 @@ static void __mptcp_clean_una(struct sock *sk)
struct mptcp_data_frag *dtmp, *dfrag;
u64 snd_una;
- /* on fallback we just need to ignore snd_una, as this is really
- * plain TCP
- */
- if (__mptcp_check_fallback(msk))
- msk->snd_una = READ_ONCE(msk->snd_nxt);
-
snd_una = msk->snd_una;
list_for_each_entry_safe(dfrag, dtmp, &msk->rtx_queue, list) {
if (after64(dfrag->data_seq + dfrag->data_len, snd_una))
--
2.40.1
