linux-kernel - [PATCH] net: ftgmac100: Enable TX interrupt to avoid TX timeout

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Message-ID: <20240904103116.4022152-1-jacky_chou@aspeedtech.com>
Date: Wed, 4 Sep 2024 18:31:16 +0800
From: Jacky Chou <jacky_chou@...eedtech.com>
To: <davem@...emloft.net>, <edumazet@...gle.com>, <kuba@...nel.org>,
	<pabeni@...hat.com>, <jacky_chou@...eedtech.com>, <netdev@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>
Subject: [PATCH] net: ftgmac100: Enable TX interrupt to avoid TX timeout

Currently, the driver only enables RX interrupt to handle RX
packets and TX resources. Sometimes there is not RX traffic,
so the TX resource needs to wait for RX interrupt to free.
This situation will toggle the TX timeout watchdog when the MAC
TX ring has no more resources to transmit packets.
Therefore, enable TX interrupt to release TX resources at any time.

Signed-off-by: Jacky Chou <jacky_chou@...eedtech.com>
---
 drivers/net/ethernet/faraday/ftgmac100.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/faraday/ftgmac100.h b/drivers/net/ethernet/faraday/ftgmac100.h
index 63b3e02fab16..4968f6f0bdbc 100644
--- a/drivers/net/ethernet/faraday/ftgmac100.h
+++ b/drivers/net/ethernet/faraday/ftgmac100.h
@@ -84,7 +84,7 @@
 			    FTGMAC100_INT_RPKT_BUF)
 
 /* All the interrupts we care about */
-#define FTGMAC100_INT_ALL (FTGMAC100_INT_RPKT_BUF  |  \
+#define FTGMAC100_INT_ALL (FTGMAC100_INT_RXTX  |  \
 			   FTGMAC100_INT_BAD)
 
 /*
-- 
2.25.1