diff options
Diffstat (limited to 'drivers/net/ethernet/freescale/dpaa2/dpaa2-switch.c')
-rw-r--r-- | drivers/net/ethernet/freescale/dpaa2/dpaa2-switch.c | 132 |
1 files changed, 84 insertions, 48 deletions
diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-switch.c b/drivers/net/ethernet/freescale/dpaa2/dpaa2-switch.c index e01a246124..f3543a2df6 100644 --- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-switch.c +++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-switch.c @@ -289,7 +289,7 @@ static int dpaa2_switch_port_add_vlan(struct ethsw_port_priv *port_priv, int err; if (port_priv->vlans[vid]) { - netdev_warn(netdev, "VLAN %d already configured\n", vid); + netdev_err(netdev, "VLAN %d already configured\n", vid); return -EEXIST; } @@ -1509,9 +1509,9 @@ static irqreturn_t dpaa2_switch_irq0_handler_thread(int irq_num, void *arg) struct device *dev = (struct device *)arg; struct ethsw_core *ethsw = dev_get_drvdata(dev); struct ethsw_port_priv *port_priv; - u32 status = ~0; int err, if_id; bool had_mac; + u32 status; err = dpsw_get_irq_status(ethsw->mc_io, 0, ethsw->dpsw_handle, DPSW_IRQ_INDEX_IF, &status); @@ -1523,12 +1523,11 @@ static irqreturn_t dpaa2_switch_irq0_handler_thread(int irq_num, void *arg) if_id = (status & 0xFFFF0000) >> 16; port_priv = ethsw->ports[if_id]; - if (status & DPSW_IRQ_EVENT_LINK_CHANGED) { + if (status & DPSW_IRQ_EVENT_LINK_CHANGED) dpaa2_switch_port_link_state_update(port_priv->netdev); - dpaa2_switch_port_set_mac_addr(port_priv); - } if (status & DPSW_IRQ_EVENT_ENDPOINT_CHANGED) { + dpaa2_switch_port_set_mac_addr(port_priv); /* We can avoid locking because the "endpoint changed" IRQ * handler is the only one who changes priv->mac at runtime, * so we are not racing with anyone. @@ -1540,20 +1539,20 @@ static irqreturn_t dpaa2_switch_irq0_handler_thread(int irq_num, void *arg) dpaa2_switch_port_connect_mac(port_priv); } -out: err = dpsw_clear_irq_status(ethsw->mc_io, 0, ethsw->dpsw_handle, DPSW_IRQ_INDEX_IF, status); if (err) dev_err(dev, "Can't clear irq status (err %d)\n", err); +out: return IRQ_HANDLED; } static int dpaa2_switch_setup_irqs(struct fsl_mc_device *sw_dev) { + u32 mask = DPSW_IRQ_EVENT_LINK_CHANGED | DPSW_IRQ_EVENT_ENDPOINT_CHANGED; struct device *dev = &sw_dev->dev; struct ethsw_core *ethsw = dev_get_drvdata(dev); - u32 mask = DPSW_IRQ_EVENT_LINK_CHANGED; struct fsl_mc_device_irq *irq; int err; @@ -1775,8 +1774,10 @@ int dpaa2_switch_port_vlans_add(struct net_device *netdev, /* Make sure that the VLAN is not already configured * on the switch port */ - if (port_priv->vlans[vlan->vid] & ETHSW_VLAN_MEMBER) + if (port_priv->vlans[vlan->vid] & ETHSW_VLAN_MEMBER) { + netdev_err(netdev, "VLAN %d already configured\n", vlan->vid); return -EEXIST; + } /* Check if there is space for a new VLAN */ err = dpsw_get_attributes(ethsw->mc_io, 0, ethsw->dpsw_handle, @@ -2003,25 +2004,11 @@ static int dpaa2_switch_port_bridge_join(struct net_device *netdev, struct netlink_ext_ack *extack) { struct ethsw_port_priv *port_priv = netdev_priv(netdev); + struct dpaa2_switch_fdb *old_fdb = port_priv->fdb; struct ethsw_core *ethsw = port_priv->ethsw_data; - struct ethsw_port_priv *other_port_priv; - struct net_device *other_dev; - struct list_head *iter; bool learn_ena; int err; - netdev_for_each_lower_dev(upper_dev, other_dev, iter) { - if (!dpaa2_switch_port_dev_check(other_dev)) - continue; - - other_port_priv = netdev_priv(other_dev); - if (other_port_priv->ethsw_data != port_priv->ethsw_data) { - NL_SET_ERR_MSG_MOD(extack, - "Interface from a different DPSW is in the bridge already"); - return -EINVAL; - } - } - /* Delete the previously manually installed VLAN 1 */ err = dpaa2_switch_port_del_vlan(port_priv, 1); if (err) @@ -2039,6 +2026,11 @@ static int dpaa2_switch_port_bridge_join(struct net_device *netdev, if (err) goto err_egress_flood; + /* Recreate the egress flood domain of the FDB that we just left. */ + err = dpaa2_switch_fdb_set_egress_flood(ethsw, old_fdb->fdb_id); + if (err) + goto err_egress_flood; + err = switchdev_bridge_port_offload(netdev, netdev, NULL, NULL, NULL, false, extack); if (err) @@ -2155,6 +2147,10 @@ dpaa2_switch_prechangeupper_sanity_checks(struct net_device *netdev, struct net_device *upper_dev, struct netlink_ext_ack *extack) { + struct ethsw_port_priv *port_priv = netdev_priv(netdev); + struct ethsw_port_priv *other_port_priv; + struct net_device *other_dev; + struct list_head *iter; int err; if (!br_vlan_enabled(upper_dev)) { @@ -2169,54 +2165,93 @@ dpaa2_switch_prechangeupper_sanity_checks(struct net_device *netdev, return 0; } + netdev_for_each_lower_dev(upper_dev, other_dev, iter) { + if (!dpaa2_switch_port_dev_check(other_dev)) + continue; + + other_port_priv = netdev_priv(other_dev); + if (other_port_priv->ethsw_data != port_priv->ethsw_data) { + NL_SET_ERR_MSG_MOD(extack, + "Interface from a different DPSW is in the bridge already"); + return -EINVAL; + } + } + return 0; } -static int dpaa2_switch_port_netdevice_event(struct notifier_block *nb, - unsigned long event, void *ptr) +static int dpaa2_switch_port_prechangeupper(struct net_device *netdev, + struct netdev_notifier_changeupper_info *info) { - struct net_device *netdev = netdev_notifier_info_to_dev(ptr); - struct netdev_notifier_changeupper_info *info = ptr; struct netlink_ext_ack *extack; struct net_device *upper_dev; - int err = 0; + int err; if (!dpaa2_switch_port_dev_check(netdev)) - return NOTIFY_DONE; + return 0; extack = netdev_notifier_info_to_extack(&info->info); - - switch (event) { - case NETDEV_PRECHANGEUPPER: - upper_dev = info->upper_dev; - if (!netif_is_bridge_master(upper_dev)) - break; - + upper_dev = info->upper_dev; + if (netif_is_bridge_master(upper_dev)) { err = dpaa2_switch_prechangeupper_sanity_checks(netdev, upper_dev, extack); if (err) - goto out; + return err; if (!info->linking) dpaa2_switch_port_pre_bridge_leave(netdev); + } + + return 0; +} + +static int dpaa2_switch_port_changeupper(struct net_device *netdev, + struct netdev_notifier_changeupper_info *info) +{ + struct netlink_ext_ack *extack; + struct net_device *upper_dev; + + if (!dpaa2_switch_port_dev_check(netdev)) + return 0; + + extack = netdev_notifier_info_to_extack(&info->info); + + upper_dev = info->upper_dev; + if (netif_is_bridge_master(upper_dev)) { + if (info->linking) + return dpaa2_switch_port_bridge_join(netdev, + upper_dev, + extack); + else + return dpaa2_switch_port_bridge_leave(netdev); + } + + return 0; +} + +static int dpaa2_switch_port_netdevice_event(struct notifier_block *nb, + unsigned long event, void *ptr) +{ + struct net_device *netdev = netdev_notifier_info_to_dev(ptr); + int err = 0; + + switch (event) { + case NETDEV_PRECHANGEUPPER: + err = dpaa2_switch_port_prechangeupper(netdev, ptr); + if (err) + return notifier_from_errno(err); break; case NETDEV_CHANGEUPPER: - upper_dev = info->upper_dev; - if (netif_is_bridge_master(upper_dev)) { - if (info->linking) - err = dpaa2_switch_port_bridge_join(netdev, - upper_dev, - extack); - else - err = dpaa2_switch_port_bridge_leave(netdev); - } + err = dpaa2_switch_port_changeupper(netdev, ptr); + if (err) + return notifier_from_errno(err); + break; } -out: - return notifier_from_errno(err); + return NOTIFY_DONE; } struct ethsw_switchdev_event_work { @@ -3294,6 +3329,7 @@ static int dpaa2_switch_probe_port(struct ethsw_core *ethsw, port_netdev->features = NETIF_F_HW_VLAN_CTAG_FILTER | NETIF_F_HW_VLAN_STAG_FILTER | NETIF_F_HW_TC; + port_netdev->priv_flags |= IFF_LIVE_ADDR_CHANGE; err = dpaa2_switch_port_init(port_priv, port_idx); if (err) |