linux-kernel - [net-next PATCH 16/19] net: dsa: qca8k: enable mtu_enforcement

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Date:   Wed, 17 Nov 2021 22:04:48 +0100
From:   Ansuel Smith <ansuelsmth@...il.com>
To:     Andrew Lunn <andrew@...n.ch>,
        Vivien Didelot <vivien.didelot@...il.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        Vladimir Oltean <olteanv@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Russell King <linux@...linux.org.uk>,
        Ansuel Smith <ansuelsmth@...il.com>,
        linux-kernel@...r.kernel.org, netdev@...r.kernel.org
Subject: [net-next PATCH 16/19] net: dsa: qca8k: enable mtu_enforcement_ingress

qca8k have a global MTU. Inform DSA of this as the change MTU port
function checks the max MTU across all port and sets the max value
anyway as this switch doesn't support per port MTU.

Signed-off-by: Ansuel Smith <ansuelsmth@...il.com>
---
 drivers/net/dsa/qca8k.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/net/dsa/qca8k.c b/drivers/net/dsa/qca8k.c
index c3234988aabf..cae58753bb1f 100644
--- a/drivers/net/dsa/qca8k.c
+++ b/drivers/net/dsa/qca8k.c
@@ -1315,6 +1315,9 @@ qca8k_setup(struct dsa_switch *ds)
 	/* Set max number of LAGs supported */
 	ds->num_lag_ids = QCA8K_NUM_LAGS;
 
+	/* Global MTU. Inform dsa that per port MTU is not supported */
+	ds->mtu_enforcement_ingress = true;
+
 	return 0;
 }
 
-- 
2.32.0