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net: dsa: mt7530: enable MTU normalization
author
DENG Qingfang
<dqfext@gmail.com>
Thu, 10 Dec 2020 17:03:22 +0000
(
01:03
+0800)
committer
Jakub Kicinski
<kuba@kernel.org>
Sat, 12 Dec 2020 23:00:56 +0000
(15:00 -0800)
MT7530 has a global RX length register, so we are actually changing its
MRU.
Enable MTU normalization for this reason.
Signed-off-by: DENG Qingfang <dqfext@gmail.com>
Acked-by: Landen Chao <landen.chao@mediatek.com>
Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
Link:
https://lore.kernel.org/r/20201210170322.3433-1-dqfext@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
drivers/net/dsa/mt7530.c
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diff --git
a/drivers/net/dsa/mt7530.c
b/drivers/net/dsa/mt7530.c
index
99bf8fe
..
a67cac1
100644
(file)
--- a/
drivers/net/dsa/mt7530.c
+++ b/
drivers/net/dsa/mt7530.c
@@
-1657,6
+1657,7
@@
mt7530_setup(struct dsa_switch *ds)
*/
dn = dsa_to_port(ds, MT7530_CPU_PORT)->master->dev.of_node->parent;
ds->configure_vlan_while_not_filtering = true;
+ ds->mtu_enforcement_ingress = true;
if (priv->id == ID_MT7530) {
regulator_set_voltage(priv->core_pwr, 1000000, 1000000);
@@
-1895,6
+1896,7
@@
mt7531_setup(struct dsa_switch *ds)
}
ds->configure_vlan_while_not_filtering = true;
+ ds->mtu_enforcement_ingress = true;
/* Flush the FDB table */
ret = mt7530_fdb_cmd(priv, MT7530_FDB_FLUSH, NULL);