linux-kernel - [PATCH net-next v2 2/4] net: mvneta: Don't force-set the offloading flag

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20211126112056.849123-3-maxime.chevallier@bootlin.com>
Date:   Fri, 26 Nov 2021 12:20:54 +0100
From:   Maxime Chevallier <maxime.chevallier@...tlin.com>
To:     davem@...emloft.net
Cc:     Maxime Chevallier <maxime.chevallier@...tlin.com>,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        thomas.petazzoni@...tlin.com, gregory.clement@...tlin.com,
        Andrew Lunn <andrew@...n.ch>,
        Pali Rohár <pali@...nel.org>,
        Jakub Kicinski <kuba@...nel.org>
Subject: [PATCH net-next v2 2/4] net: mvneta: Don't force-set the offloading flag

The qopt->hw flag is set by the TC code according to the offloading mode
asked by user. Don't force-set it in the driver, but instead read it to
make sure we do what's asked.

Signed-off-by: Maxime Chevallier <maxime.chevallier@...tlin.com>
---
V2 : No changes

 drivers/net/ethernet/marvell/mvneta.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c
index 46b7604805f7..d3ce87e69d2a 100644
--- a/drivers/net/ethernet/marvell/mvneta.c
+++ b/drivers/net/ethernet/marvell/mvneta.c
@@ -4915,7 +4915,9 @@ static int mvneta_setup_mqprio(struct net_device *dev,
 	u8 num_tc;
 	int i;
 
-	mqprio->qopt.hw = TC_MQPRIO_HW_OFFLOAD_TCS;
+	if (mqprio->qopt.hw != TC_MQPRIO_HW_OFFLOAD_TCS)
+		return 0;
+
 	num_tc = mqprio->qopt.num_tc;
 
 	if (num_tc > rxq_number)
-- 
2.25.4