From c026c6562f86b24dd2dfef501fb1e64cc3884a79 Mon Sep 17 00:00:00 2001 From: Jason Xing Date: Fri, 2 Aug 2024 18:21:11 +0800 Subject: tcp: rstreason: introduce SK_RST_REASON_TCP_DISCONNECT_WITH_DATA for active reset When user tries to disconnect a socket and there are more data written into tcp write queue, we should tell users about this reset reason. Signed-off-by: Jason Xing Reviewed-by: Eric Dumazet Signed-off-by: David S. Miller --- include/net/rstreason.h | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'include') diff --git a/include/net/rstreason.h b/include/net/rstreason.h index 9c0c46df0e73..69cb2e52b7da 100644 --- a/include/net/rstreason.h +++ b/include/net/rstreason.h @@ -22,6 +22,7 @@ FN(TCP_ABORT_ON_MEMORY) \ FN(TCP_STATE) \ FN(TCP_KEEPALIVE_TIMEOUT) \ + FN(TCP_DISCONNECT_WITH_DATA) \ FN(MPTCP_RST_EUNSPEC) \ FN(MPTCP_RST_EMPTCP) \ FN(MPTCP_RST_ERESOURCE) \ @@ -115,6 +116,13 @@ enum sk_rst_reason { * keepalive timeout, we have to reset the connection */ SK_RST_REASON_TCP_KEEPALIVE_TIMEOUT, + /** + * @SK_RST_REASON_TCP_DISCONNECT_WITH_DATA: disconnect when write + * queue is not empty + * It means user has written data into the write queue when doing + * disconnecting, so we have to send an RST. + */ + SK_RST_REASON_TCP_DISCONNECT_WITH_DATA, /* Copy from include/uapi/linux/mptcp.h. * These reset fields will not be changed since they adhere to -- cgit v1.2.3