diff options
| -rw-r--r-- | net/dsa/dsa_priv.h | 2 | ||||
| -rw-r--r-- | net/dsa/port.c | 22 | ||||
| -rw-r--r-- | net/dsa/slave.c | 6 |
3 files changed, 30 insertions, 0 deletions
diff --git a/net/dsa/dsa_priv.h b/net/dsa/dsa_priv.h index f20bdd8ea0a8..2aba420696ef 100644 --- a/net/dsa/dsa_priv.h +++ b/net/dsa/dsa_priv.h @@ -234,6 +234,8 @@ int dsa_port_vlan_filtering(struct dsa_port *dp, bool vlan_filtering, struct netlink_ext_ack *extack); bool dsa_port_skip_vlan_configuration(struct dsa_port *dp); int dsa_port_ageing_time(struct dsa_port *dp, clock_t ageing_clock); +int dsa_port_mst_enable(struct dsa_port *dp, bool on, + struct netlink_ext_ack *extack); int dsa_port_mtu_change(struct dsa_port *dp, int new_mtu, bool targeted_match); int dsa_port_fdb_add(struct dsa_port *dp, const unsigned char *addr, diff --git a/net/dsa/port.c b/net/dsa/port.c index 58291df14cdb..02214033cec0 100644 --- a/net/dsa/port.c +++ b/net/dsa/port.c @@ -321,6 +321,11 @@ static void dsa_port_bridge_destroy(struct dsa_port *dp, kfree(bridge); } +static bool dsa_port_supports_mst(struct dsa_port *dp) +{ + return dsa_port_can_configure_learning(dp); +} + int dsa_port_bridge_join(struct dsa_port *dp, struct net_device *br, struct netlink_ext_ack *extack) { @@ -334,6 +339,9 @@ int dsa_port_bridge_join(struct dsa_port *dp, struct net_device *br, struct net_device *brport_dev; int err; + if (br_mst_enabled(br) && !dsa_port_supports_mst(dp)) + return -EOPNOTSUPP; + /* Here the interface is already bridged. Reflect the current * configuration so that drivers can program their chips accordingly. */ @@ -735,6 +743,20 @@ int dsa_port_ageing_time(struct dsa_port *dp, clock_t ageing_clock) return 0; } +int dsa_port_mst_enable(struct dsa_port *dp, bool on, + struct netlink_ext_ack *extack) +{ + if (!on) + return 0; + + if (!dsa_port_supports_mst(dp)) { + NL_SET_ERR_MSG_MOD(extack, "Hardware does not support MST"); + return -EINVAL; + } + + return 0; +} + int dsa_port_pre_bridge_flags(const struct dsa_port *dp, struct switchdev_brport_flags flags, struct netlink_ext_ack *extack) diff --git a/net/dsa/slave.c b/net/dsa/slave.c index d24b6bf845c1..6393a35c5660 100644 --- a/net/dsa/slave.c +++ b/net/dsa/slave.c @@ -464,6 +464,12 @@ static int dsa_slave_port_attr_set(struct net_device *dev, const void *ctx, ret = dsa_port_ageing_time(dp, attr->u.ageing_time); break; + case SWITCHDEV_ATTR_ID_BRIDGE_MST: + if (!dsa_port_offloads_bridge_dev(dp, attr->orig_dev)) + return -EOPNOTSUPP; + + ret = dsa_port_mst_enable(dp, attr->u.mst, extack); + break; case SWITCHDEV_ATTR_ID_PORT_PRE_BRIDGE_FLAGS: if (!dsa_port_offloads_bridge_port(dp, attr->orig_dev)) return -EOPNOTSUPP; |