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net: tcp: Move the CLOSED state to the front

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In enum tcp_state {}, the CLOSED state was put at the last one.
When we do Sequence & Ack validation, we will need to skip the
CLOSED, LISTEN, SYNSENT states. It is easier for coding if we
put the CLOSED to the front, e.g. if state > SYNSENT. And, in
other OSes, the state sequence is normally defined like this.

Signed-off-by: Shrek Wang <inet_eman@outlook.com>
This commit is contained in:
Shrek Wang 2025-05-23 11:41:22 +08:00 • committed by Benjamin Cabé
commit b5a31dcb49
1 changed files with 2 additions and 2 deletions
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4
subsys/net/ip/tcp_private.h
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@ -198,6 +198,7 @@ struct tcp_mss_option {
enum tcp_state { enum tcp_state {
TCP_UNUSED = 0, TCP_UNUSED = 0,
TCP_CLOSED,
TCP_LISTEN, TCP_LISTEN,
TCP_SYN_SENT, TCP_SYN_SENT,
TCP_SYN_RECEIVED, TCP_SYN_RECEIVED,
@ -207,8 +208,7 @@ enum tcp_state {
TCP_CLOSE_WAIT, TCP_CLOSE_WAIT,
TCP_CLOSING, TCP_CLOSING,
TCP_LAST_ACK, TCP_LAST_ACK,
TCP_TIME_WAIT, TCP_TIME_WAIT
TCP_CLOSED
}; };
enum tcp_data_mode { enum tcp_data_mode {