linux-kernel - [PATCH 5.8 10/56] hinic: bump up the timeout of SET_FUNC

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Message-Id: <20200925124729.369708985@linuxfoundation.org>
Date:   Fri, 25 Sep 2020 14:48:00 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Luo bin <luobin9@...wei.com>,
        Jakub Kicinski <kuba@...nel.org>
Subject: [PATCH 5.8 10/56] hinic: bump up the timeout of SET_FUNC_STATE cmd

From: Luo bin <luobin9@...wei.com>

[ Upstream commit 4e4269ebe7e18038fffacf113e2dd5ded6d49942 ]

We free memory regardless of the return value of SET_FUNC_STATE
cmd in hinic_close function to avoid memory leak and this cmd may
timeout when fw is busy with handling other cmds, so we bump up the
timeout of this cmd to ensure it won't return failure.

Fixes: 00e57a6d4ad3 ("net-next/hinic: Add Tx operation")
Signed-off-by: Luo bin <luobin9@...wei.com>
Signed-off-by: Jakub Kicinski <kuba@...nel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/net/ethernet/huawei/hinic/hinic_hw_mgmt.c |   16 +++++++++++-----
 1 file changed, 11 insertions(+), 5 deletions(-)

--- a/drivers/net/ethernet/huawei/hinic/hinic_hw_mgmt.c
+++ b/drivers/net/ethernet/huawei/hinic/hinic_hw_mgmt.c
@@ -45,6 +45,8 @@
 
 #define MGMT_MSG_TIMEOUT                5000
 
+#define SET_FUNC_PORT_MBOX_TIMEOUT	30000
+
 #define SET_FUNC_PORT_MGMT_TIMEOUT	25000
 
 #define mgmt_to_pfhwdev(pf_mgmt)        \
@@ -358,16 +360,20 @@ int hinic_msg_to_mgmt(struct hinic_pf_to
 		return -EINVAL;
 	}
 
-	if (cmd == HINIC_PORT_CMD_SET_FUNC_STATE)
-		timeout = SET_FUNC_PORT_MGMT_TIMEOUT;
+	if (HINIC_IS_VF(hwif)) {
+		if (cmd == HINIC_PORT_CMD_SET_FUNC_STATE)
+			timeout = SET_FUNC_PORT_MBOX_TIMEOUT;
 
-	if (HINIC_IS_VF(hwif))
 		return hinic_mbox_to_pf(pf_to_mgmt->hwdev, mod, cmd, buf_in,
-					in_size, buf_out, out_size, 0);
-	else
+					in_size, buf_out, out_size, timeout);
+	} else {
+		if (cmd == HINIC_PORT_CMD_SET_FUNC_STATE)
+			timeout = SET_FUNC_PORT_MGMT_TIMEOUT;
+
 		return msg_to_mgmt_sync(pf_to_mgmt, mod, cmd, buf_in, in_size,
 				buf_out, out_size, MGMT_DIRECT_SEND,
 				MSG_NOT_RESP, timeout);
+	}
 }
 
 static void recv_mgmt_msg_work_handler(struct work_struct *work)