linux-kernel - [PATCH AUTOSEL 4.14 2/3] tg3: Increment tx_dropped in tg3_tso

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Message-ID: <20231122153658.853640-2-sashal@kernel.org>
Date:   Wed, 22 Nov 2023 10:36:54 -0500
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Alex Pakhunov <alexey.pakhunov@...cex.com>,
        Vincent Wong <vincent.wong2@...cex.com>,
        Pavan Chebbi <pavan.chebbi@...adcom.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Sasha Levin <sashal@...nel.org>, mchan@...adcom.com,
        davem@...emloft.net, edumazet@...gle.com, pabeni@...hat.com,
        netdev@...r.kernel.org
Subject: [PATCH AUTOSEL 4.14 2/3] tg3: Increment tx_dropped in tg3_tso_bug()

From: Alex Pakhunov <alexey.pakhunov@...cex.com>

[ Upstream commit 17dd5efe5f36a96bd78012594fabe21efb01186b ]

tg3_tso_bug() drops a packet if it cannot be segmented for any reason.
The number of discarded frames should be incremented accordingly.

Signed-off-by: Alex Pakhunov <alexey.pakhunov@...cex.com>
Signed-off-by: Vincent Wong <vincent.wong2@...cex.com>
Reviewed-by: Pavan Chebbi <pavan.chebbi@...adcom.com>
Link: https://lore.kernel.org/r/20231113182350.37472-2-alexey.pakhunov@spacex.com
Signed-off-by: Jakub Kicinski <kuba@...nel.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/net/ethernet/broadcom/tg3.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c
index 96c7a452a4a97..dc27c81ad5129 100644
--- a/drivers/net/ethernet/broadcom/tg3.c
+++ b/drivers/net/ethernet/broadcom/tg3.c
@@ -7872,8 +7872,10 @@ static int tg3_tso_bug(struct tg3 *tp, struct tg3_napi *tnapi,
 
 	segs = skb_gso_segment(skb, tp->dev->features &
 				    ~(NETIF_F_TSO | NETIF_F_TSO6));
-	if (IS_ERR(segs) || !segs)
+	if (IS_ERR(segs) || !segs) {
+		tnapi->tx_dropped++;
 		goto tg3_tso_bug_end;
+	}
 
 	do {
 		nskb = segs;
-- 
2.42.0