diff options
author | Jason Xing <kernelxing@tencent.com> | 2024-08-02 18:21:06 +0800 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2024-08-07 10:24:45 +0100 |
commit | 90c36325c796cc7111329607a649c34f4979c78e (patch) | |
tree | 17a66d748d0dab7723e13d00c4314e850bf1c781 | |
parent | 2c14119ab8f356cb429a5f4855b7880f33cfb981 (diff) |
tcp: rstreason: introduce SK_RST_REASON_TCP_ABORT_ON_CLOSE for active reset
Introducing a new type TCP_ABORT_ON_CLOSE for tcp reset reason to handle
the case where more data is unread in closing phase.
Signed-off-by: Jason Xing <kernelxing@tencent.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r-- | include/net/rstreason.h | 6 | ||||
-rw-r--r-- | net/ipv4/tcp.c | 2 |
2 files changed, 7 insertions, 1 deletions
diff --git a/include/net/rstreason.h b/include/net/rstreason.h index 2575c85d7f7a..fa6bfd0d7d69 100644 --- a/include/net/rstreason.h +++ b/include/net/rstreason.h @@ -17,6 +17,7 @@ FN(TCP_ABORT_ON_DATA) \ FN(TCP_TIMEWAIT_SOCKET) \ FN(INVALID_SYN) \ + FN(TCP_ABORT_ON_CLOSE) \ FN(MPTCP_RST_EUNSPEC) \ FN(MPTCP_RST_EMPTCP) \ FN(MPTCP_RST_ERESOURCE) \ @@ -84,6 +85,11 @@ enum sk_rst_reason { * an error, send a reset" */ SK_RST_REASON_INVALID_SYN, + /** + * @SK_RST_REASON_TCP_ABORT_ON_CLOSE: abort on close + * corresponding to LINUX_MIB_TCPABORTONCLOSE + */ + SK_RST_REASON_TCP_ABORT_ON_CLOSE, /* Copy from include/uapi/linux/mptcp.h. * These reset fields will not be changed since they adhere to diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index e03a342c9162..2e010add0317 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -2833,7 +2833,7 @@ void __tcp_close(struct sock *sk, long timeout) NET_INC_STATS(sock_net(sk), LINUX_MIB_TCPABORTONCLOSE); tcp_set_state(sk, TCP_CLOSE); tcp_send_active_reset(sk, sk->sk_allocation, - SK_RST_REASON_NOT_SPECIFIED); + SK_RST_REASON_TCP_ABORT_ON_CLOSE); } else if (sock_flag(sk, SOCK_LINGER) && !sk->sk_lingertime) { /* Check zero linger _after_ checking for unread data. */ sk->sk_prot->disconnect(sk, 0); |