diff options
Diffstat (limited to 'target/linux/generic/backport-5.15/763-v5.11-net-dsa-mt7530-enable-MTU-normalization.patch')
-rw-r--r-- | target/linux/generic/backport-5.15/763-v5.11-net-dsa-mt7530-enable-MTU-normalization.patch | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/target/linux/generic/backport-5.15/763-v5.11-net-dsa-mt7530-enable-MTU-normalization.patch b/target/linux/generic/backport-5.15/763-v5.11-net-dsa-mt7530-enable-MTU-normalization.patch new file mode 100644 index 0000000000..b0ad7b9f87 --- /dev/null +++ b/target/linux/generic/backport-5.15/763-v5.11-net-dsa-mt7530-enable-MTU-normalization.patch @@ -0,0 +1,36 @@ +From 771c8901568dd8776a260aa93db41be88a60389e Mon Sep 17 00:00:00 2001 +From: DENG Qingfang <dqfext@gmail.com> +Date: Fri, 11 Dec 2020 01:03:22 +0800 +Subject: [PATCH] net: dsa: mt7530: enable MTU normalization + +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 | 2 ++ + 1 file changed, 2 insertions(+) + +--- a/drivers/net/dsa/mt7530.c ++++ b/drivers/net/dsa/mt7530.c +@@ -1703,6 +1703,7 @@ 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); +@@ -1947,6 +1948,7 @@ 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); |