Zhe Weng d423992988 net/tcp: Regard snd_wnd update as ACKDATA
Receiving an ACK indicating TCP Window Update will not set ACKDATA flag (because tx_unacked is 0) in our TCP stack. Then this ACK won't let us send anything after receiving it, even if it updates snd_wnd. So we need to check whether we can send data immediately when our snd_wnd is updated (especially from 0), otherwise we will only send next data after timer expiry.

Signed-off-by: Zhe Weng <wengzhe@xiaomi.com>
2023-02-03 13:43:39 +02:00
..
2023-01-18 16:24:09 +08:00