netdev - [net 4/6] can: j1939: j1939_xtp_rx_dat_one(): fix rxtimer value between consecutive TP.DT to 750ms

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Message-Id: <20210724171947.547867-5-mkl@pengutronix.de>
Date:   Sat, 24 Jul 2021 19:19:45 +0200
From:   Marc Kleine-Budde <mkl@...gutronix.de>
To:     netdev@...r.kernel.org
Cc:     davem@...emloft.net, kuba@...nel.org, linux-can@...r.kernel.org,
        kernel@...gutronix.de,
        Zhang Changzhong <zhangchangzhong@...wei.com>,
        linux-stable <stable@...r.kernel.org>,
        Oleksij Rempel <o.rempel@...gutronix.de>,
        Marc Kleine-Budde <mkl@...gutronix.de>
Subject: [net 4/6] can: j1939: j1939_xtp_rx_dat_one(): fix rxtimer value between consecutive TP.DT to 750ms

From: Zhang Changzhong <zhangchangzhong@...wei.com>

For receive side, the max time interval between two consecutive TP.DT
should be 750ms.

Fixes: 9d71dd0c7009 ("can: add support of SAE J1939 protocol")
Link: https://lore.kernel.org/r/1625569210-47506-1-git-send-email-zhangchangzhong@huawei.com
Cc: linux-stable <stable@...r.kernel.org>
Signed-off-by: Zhang Changzhong <zhangchangzhong@...wei.com>
Acked-by: Oleksij Rempel <o.rempel@...gutronix.de>
Signed-off-by: Marc Kleine-Budde <mkl@...gutronix.de>
---
 net/can/j1939/transport.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/can/j1939/transport.c b/net/can/j1939/transport.c
index bb1092c3e7e3..bdc95bd7a851 100644
--- a/net/can/j1939/transport.c
+++ b/net/can/j1939/transport.c
@@ -1874,7 +1874,7 @@ static void j1939_xtp_rx_dat_one(struct j1939_session *session,
 		if (!session->transmission)
 			j1939_tp_schedule_txtimer(session, 0);
 	} else {
-		j1939_tp_set_rxtimeout(session, 250);
+		j1939_tp_set_rxtimeout(session, 750);
 	}
 	session->last_cmd = 0xff;
 	consume_skb(se_skb);
-- 
2.30.2