diff options
| author | Matthias Schiffer <mschiffer@universe-factory.net> | 2024-06-18 09:17:13 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2024-06-19 13:10:01 +0100 |
| commit | 3d49ee2127c26fd2c77944fd2e3168c057f99439 (patch) | |
| tree | 9997ce766bba5d9fa9041b8d2a8d81b65db70bb9 | |
| parent | c25c961fc7f36682f0a530150f1b7453ebc344cd (diff) | |
| download | linux-3d49ee2127c26fd2c77944fd2e3168c057f99439.tar.gz linux-3d49ee2127c26fd2c77944fd2e3168c057f99439.tar.bz2 linux-3d49ee2127c26fd2c77944fd2e3168c057f99439.zip | |
net: dsa: mt7530: add support for bridge port isolation
Remove a pair of ports from the port matrix when both ports have the
isolated flag set.
Signed-off-by: Matthias Schiffer <mschiffer@universe-factory.net>
Reviewed-by: Wojciech Drewek <wojciech.drewek@intel.com>
Reviewed-by: Arınç ÜNAL <arinc.unal@arinc9.com>
Tested-by: Arınç ÜNAL <arinc.unal@arinc9.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/dsa/mt7530.c | 18 | ||||
| -rw-r--r-- | drivers/net/dsa/mt7530.h | 1 |
2 files changed, 17 insertions, 2 deletions
diff --git a/drivers/net/dsa/mt7530.c b/drivers/net/dsa/mt7530.c index 9ce27ce07d77..ec18e68bf3a8 100644 --- a/drivers/net/dsa/mt7530.c +++ b/drivers/net/dsa/mt7530.c @@ -1311,6 +1311,7 @@ static void mt7530_update_port_member(struct mt7530_priv *priv, int port, struct dsa_port *cpu_dp = dp->cpu_dp; u32 port_bitmap = BIT(cpu_dp->index); int other_port; + bool isolated; dsa_switch_for_each_user_port(other_dp, priv->ds) { other_port = other_dp->index; @@ -1327,7 +1328,9 @@ static void mt7530_update_port_member(struct mt7530_priv *priv, int port, if (!dsa_port_offloads_bridge_dev(other_dp, bridge_dev)) continue; - if (join) { + isolated = p->isolated && other_p->isolated; + + if (join && !isolated) { other_p->pm |= PCR_MATRIX(BIT(port)); port_bitmap |= BIT(other_port); } else { @@ -1354,7 +1357,7 @@ mt7530_port_pre_bridge_flags(struct dsa_switch *ds, int port, struct netlink_ext_ack *extack) { if (flags.mask & ~(BR_LEARNING | BR_FLOOD | BR_MCAST_FLOOD | - BR_BCAST_FLOOD)) + BR_BCAST_FLOOD | BR_ISOLATED)) return -EINVAL; return 0; @@ -1383,6 +1386,17 @@ mt7530_port_bridge_flags(struct dsa_switch *ds, int port, mt7530_rmw(priv, MT753X_MFC, BC_FFP(BIT(port)), flags.val & BR_BCAST_FLOOD ? BC_FFP(BIT(port)) : 0); + if (flags.mask & BR_ISOLATED) { + struct dsa_port *dp = dsa_to_port(ds, port); + struct net_device *bridge_dev = dsa_port_bridge_dev_get(dp); + + priv->ports[port].isolated = !!(flags.val & BR_ISOLATED); + + mutex_lock(&priv->reg_mutex); + mt7530_update_port_member(priv, port, bridge_dev, true); + mutex_unlock(&priv->reg_mutex); + } + return 0; } diff --git a/drivers/net/dsa/mt7530.h b/drivers/net/dsa/mt7530.h index 2ea4e24628c6..28592123070b 100644 --- a/drivers/net/dsa/mt7530.h +++ b/drivers/net/dsa/mt7530.h @@ -721,6 +721,7 @@ struct mt7530_fdb { */ struct mt7530_port { bool enable; + bool isolated; u32 pm; u16 pvid; struct phylink_pcs *sgmii_pcs; |