diff options
Diffstat (limited to 'target/linux/generic/backport-5.15/765-v5.15-net-dsa-mt7530-disable-learning-on-standalone-ports.patch')
| -rw-r--r-- | target/linux/generic/backport-5.15/765-v5.15-net-dsa-mt7530-disable-learning-on-standalone-ports.patch | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/target/linux/generic/backport-5.15/765-v5.15-net-dsa-mt7530-disable-learning-on-standalone-ports.patch b/target/linux/generic/backport-5.15/765-v5.15-net-dsa-mt7530-disable-learning-on-standalone-ports.patch new file mode 100644 index 0000000000..a0bb7fa888 --- /dev/null +++ b/target/linux/generic/backport-5.15/765-v5.15-net-dsa-mt7530-disable-learning-on-standalone-ports.patch @@ -0,0 +1,65 @@ +From ba2203f36b981235556504fb7b62baee28512a40 Mon Sep 17 00:00:00 2001 +From: DENG Qingfang <dqfext@gmail.com> +Date: Tue, 24 Aug 2021 11:37:50 +0800 +Subject: [PATCH] net: dsa: mt7530: disable learning on standalone ports + +This is a partial backport of commit 5a30833b9a16f8d1aa15de06636f9317ca51f9df +("net: dsa: mt7530: support MDB and bridge flag operations") upstream. + +Make sure that the standalone ports start up with learning disabled. + +Signed-off-by: DENG Qingfang <dqfext@gmail.com> +--- + drivers/net/dsa/mt7530.c | 16 ++++++++++++++-- + 1 file changed, 14 insertions(+), 2 deletions(-) + +--- a/drivers/net/dsa/mt7530.c ++++ b/drivers/net/dsa/mt7530.c +@@ -1163,6 +1163,8 @@ mt7530_port_bridge_join(struct dsa_switc + PCR_MATRIX_MASK, PCR_MATRIX(port_bitmap)); + priv->ports[port].pm |= PCR_MATRIX(port_bitmap); + ++ mt7530_clear(priv, MT7530_PSC_P(port), SA_DIS); ++ + mutex_unlock(&priv->reg_mutex); + + return 0; +@@ -1260,6 +1262,8 @@ mt7530_port_bridge_leave(struct dsa_swit + PCR_MATRIX(BIT(MT7530_CPU_PORT))); + priv->ports[port].pm = PCR_MATRIX(BIT(MT7530_CPU_PORT)); + ++ mt7530_set(priv, MT7530_PSC_P(port), SA_DIS); ++ + mutex_unlock(&priv->reg_mutex); + } + +@@ -1817,9 +1821,13 @@ mt7530_setup(struct dsa_switch *ds) + ret = mt753x_cpu_port_enable(ds, i); + if (ret) + return ret; +- } else ++ } else { + mt7530_port_disable(ds, i); + ++ /* Disable learning by default on all user ports */ ++ mt7530_set(priv, MT7530_PSC_P(i), SA_DIS); ++ } ++ + /* Enable consistent egress tag */ + mt7530_rmw(priv, MT7530_PVC_P(i), PVC_EG_TAG_MASK, + PVC_EG_TAG(MT7530_VLAN_EG_CONSISTENT)); +@@ -1979,9 +1987,13 @@ mt7531_setup(struct dsa_switch *ds) + ret = mt753x_cpu_port_enable(ds, i); + if (ret) + return ret; +- } else ++ } else { + mt7530_port_disable(ds, i); + ++ /* Disable learning by default on all user ports */ ++ mt7530_set(priv, MT7530_PSC_P(i), SA_DIS); ++ } ++ + /* Enable consistent egress tag */ + mt7530_rmw(priv, MT7530_PVC_P(i), PVC_EG_TAG_MASK, + PVC_EG_TAG(MT7530_VLAN_EG_CONSISTENT)); |