diff options
Diffstat (limited to 'drivers/net/ethernet/intel/ice/ice_repr.c')
| -rw-r--r-- | drivers/net/ethernet/intel/ice/ice_repr.c | 211 |
1 files changed, 153 insertions, 58 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice_repr.c b/drivers/net/ethernet/intel/ice/ice_repr.c index bdda3401e343..970a99a52bf1 100644 --- a/drivers/net/ethernet/intel/ice/ice_repr.c +++ b/drivers/net/ethernet/intel/ice/ice_repr.c @@ -59,12 +59,13 @@ static void ice_repr_get_stats64(struct net_device *netdev, struct rtnl_link_stats64 *stats) { struct ice_netdev_priv *np = netdev_priv(netdev); + struct ice_repr *repr = np->repr; struct ice_eth_stats *eth_stats; struct ice_vsi *vsi; - if (ice_is_vf_disabled(np->repr->vf)) + if (repr->ops.ready(repr)) return; - vsi = np->repr->src_vsi; + vsi = repr->src_vsi; ice_update_vsi_stats(vsi); eth_stats = &vsi->eth_stats; @@ -93,7 +94,7 @@ struct ice_repr *ice_netdev_to_repr(const struct net_device *netdev) } /** - * ice_repr_open - Enable port representor's network interface + * ice_repr_vf_open - Enable port representor's network interface * @netdev: network interface device structure * * The open entry point is called when a port representor's network @@ -102,7 +103,7 @@ struct ice_repr *ice_netdev_to_repr(const struct net_device *netdev) * * Returns 0 on success */ -static int ice_repr_open(struct net_device *netdev) +static int ice_repr_vf_open(struct net_device *netdev) { struct ice_repr *repr = ice_netdev_to_repr(netdev); struct ice_vf *vf; @@ -118,8 +119,16 @@ static int ice_repr_open(struct net_device *netdev) return 0; } +static int ice_repr_sf_open(struct net_device *netdev) +{ + netif_carrier_on(netdev); + netif_tx_start_all_queues(netdev); + + return 0; +} + /** - * ice_repr_stop - Disable port representor's network interface + * ice_repr_vf_stop - Disable port representor's network interface * @netdev: network interface device structure * * The stop entry point is called when a port representor's network @@ -128,7 +137,7 @@ static int ice_repr_open(struct net_device *netdev) * * Returns 0 on success */ -static int ice_repr_stop(struct net_device *netdev) +static int ice_repr_vf_stop(struct net_device *netdev) { struct ice_repr *repr = ice_netdev_to_repr(netdev); struct ice_vf *vf; @@ -144,6 +153,14 @@ static int ice_repr_stop(struct net_device *netdev) return 0; } +static int ice_repr_sf_stop(struct net_device *netdev) +{ + netif_carrier_off(netdev); + netif_tx_stop_all_queues(netdev); + + return 0; +} + /** * ice_repr_sp_stats64 - get slow path stats for port representor * @dev: network interface device structure @@ -245,10 +262,20 @@ ice_repr_setup_tc(struct net_device *netdev, enum tc_setup_type type, } } -static const struct net_device_ops ice_repr_netdev_ops = { +static const struct net_device_ops ice_repr_vf_netdev_ops = { .ndo_get_stats64 = ice_repr_get_stats64, - .ndo_open = ice_repr_open, - .ndo_stop = ice_repr_stop, + .ndo_open = ice_repr_vf_open, + .ndo_stop = ice_repr_vf_stop, + .ndo_start_xmit = ice_eswitch_port_start_xmit, + .ndo_setup_tc = ice_repr_setup_tc, + .ndo_has_offload_stats = ice_repr_ndo_has_offload_stats, + .ndo_get_offload_stats = ice_repr_ndo_get_offload_stats, +}; + +static const struct net_device_ops ice_repr_sf_netdev_ops = { + .ndo_get_stats64 = ice_repr_get_stats64, + .ndo_open = ice_repr_sf_open, + .ndo_stop = ice_repr_sf_stop, .ndo_start_xmit = ice_eswitch_port_start_xmit, .ndo_setup_tc = ice_repr_setup_tc, .ndo_has_offload_stats = ice_repr_ndo_has_offload_stats, @@ -261,18 +288,20 @@ static const struct net_device_ops ice_repr_netdev_ops = { */ bool ice_is_port_repr_netdev(const struct net_device *netdev) { - return netdev && (netdev->netdev_ops == &ice_repr_netdev_ops); + return netdev && (netdev->netdev_ops == &ice_repr_vf_netdev_ops || + netdev->netdev_ops == &ice_repr_sf_netdev_ops); } /** * ice_repr_reg_netdev - register port representor netdev * @netdev: pointer to port representor netdev + * @ops: new ops for netdev */ static int -ice_repr_reg_netdev(struct net_device *netdev) +ice_repr_reg_netdev(struct net_device *netdev, const struct net_device_ops *ops) { eth_hw_addr_random(netdev); - netdev->netdev_ops = &ice_repr_netdev_ops; + netdev->netdev_ops = ops; ice_set_ethtool_repr_ops(netdev); netdev->hw_features |= NETIF_F_HW_TC; @@ -283,57 +312,56 @@ ice_repr_reg_netdev(struct net_device *netdev) return register_netdev(netdev); } -static void ice_repr_remove_node(struct devlink_port *devlink_port) +static int ice_repr_ready_vf(struct ice_repr *repr) +{ + return !ice_check_vf_ready_for_cfg(repr->vf); +} + +static int ice_repr_ready_sf(struct ice_repr *repr) { - devl_rate_leaf_destroy(devlink_port); + return !repr->sf->active; } /** - * ice_repr_rem - remove representor from VF + * ice_repr_destroy - remove representor from VF * @repr: pointer to representor structure */ -static void ice_repr_rem(struct ice_repr *repr) +void ice_repr_destroy(struct ice_repr *repr) { free_percpu(repr->stats); free_netdev(repr->netdev); kfree(repr); } -/** - * ice_repr_rem_vf - remove representor from VF - * @repr: pointer to representor structure - */ -void ice_repr_rem_vf(struct ice_repr *repr) +static void ice_repr_rem_vf(struct ice_repr *repr) { - ice_repr_remove_node(&repr->vf->devlink_port); ice_eswitch_decfg_vsi(repr->src_vsi, repr->parent_mac); unregister_netdev(repr->netdev); ice_devlink_destroy_vf_port(repr->vf); ice_virtchnl_set_dflt_ops(repr->vf); - ice_repr_rem(repr); } -static void ice_repr_set_tx_topology(struct ice_pf *pf) +static void ice_repr_rem_sf(struct ice_repr *repr) { - struct devlink *devlink; + unregister_netdev(repr->netdev); + ice_devlink_destroy_sf_port(repr->sf); +} +static void ice_repr_set_tx_topology(struct ice_pf *pf, struct devlink *devlink) +{ /* only export if ADQ and DCB disabled and eswitch enabled*/ if (ice_is_adq_active(pf) || ice_is_dcb_active(pf) || !ice_is_switchdev_running(pf)) return; - devlink = priv_to_devlink(pf); ice_devlink_rate_init_tx_topology(devlink, ice_get_main_vsi(pf)); } /** - * ice_repr_add - add representor for generic VSI - * @pf: pointer to PF structure + * ice_repr_create - add representor for generic VSI * @src_vsi: pointer to VSI structure of device to represent - * @parent_mac: device MAC address */ -static struct ice_repr * -ice_repr_add(struct ice_pf *pf, struct ice_vsi *src_vsi, const u8 *parent_mac) +static struct ice_repr *ice_repr_create(struct ice_vsi *src_vsi) { struct ice_netdev_priv *np; struct ice_repr *repr; @@ -360,7 +388,10 @@ ice_repr_add(struct ice_pf *pf, struct ice_vsi *src_vsi, const u8 *parent_mac) np = netdev_priv(repr->netdev); np->repr = repr; - ether_addr_copy(repr->parent_mac, parent_mac); + repr->netdev->min_mtu = ETH_MIN_MTU; + repr->netdev->max_mtu = ICE_MAX_MTU; + + SET_NETDEV_DEV(repr->netdev, ice_pf_to_dev(src_vsi->back)); return repr; @@ -371,34 +402,18 @@ err_alloc: return ERR_PTR(err); } -struct ice_repr *ice_repr_add_vf(struct ice_vf *vf) +static int ice_repr_add_vf(struct ice_repr *repr) { - struct ice_repr *repr; - struct ice_vsi *vsi; + struct ice_vf *vf = repr->vf; + struct devlink *devlink; int err; - vsi = ice_get_vf_vsi(vf); - if (!vsi) - return ERR_PTR(-ENOENT); - err = ice_devlink_create_vf_port(vf); if (err) - return ERR_PTR(err); - - repr = ice_repr_add(vf->pf, vsi, vf->hw_lan_addr); - if (IS_ERR(repr)) { - err = PTR_ERR(repr); - goto err_repr_add; - } - - repr->vf = vf; - - repr->netdev->min_mtu = ETH_MIN_MTU; - repr->netdev->max_mtu = ICE_MAX_MTU; + return err; - SET_NETDEV_DEV(repr->netdev, ice_pf_to_dev(vf->pf)); SET_NETDEV_DEVLINK_PORT(repr->netdev, &vf->devlink_port); - err = ice_repr_reg_netdev(repr->netdev); + err = ice_repr_reg_netdev(repr->netdev, &ice_repr_vf_netdev_ops); if (err) goto err_netdev; @@ -407,17 +422,97 @@ struct ice_repr *ice_repr_add_vf(struct ice_vf *vf) goto err_cfg_vsi; ice_virtchnl_set_repr_ops(vf); - ice_repr_set_tx_topology(vf->pf); - return repr; + devlink = priv_to_devlink(vf->pf); + ice_repr_set_tx_topology(vf->pf, devlink); + + return 0; err_cfg_vsi: unregister_netdev(repr->netdev); err_netdev: - ice_repr_rem(repr); -err_repr_add: ice_devlink_destroy_vf_port(vf); - return ERR_PTR(err); + return err; +} + +/** + * ice_repr_create_vf - add representor for VF VSI + * @vf: VF to create port representor on + * + * Set correct representor type for VF and functions pointer. + * + * Return: created port representor on success, error otherwise + */ +struct ice_repr *ice_repr_create_vf(struct ice_vf *vf) +{ + struct ice_vsi *vsi = ice_get_vf_vsi(vf); + struct ice_repr *repr; + + if (!vsi) + return ERR_PTR(-EINVAL); + + repr = ice_repr_create(vsi); + if (IS_ERR(repr)) + return repr; + + repr->type = ICE_REPR_TYPE_VF; + repr->vf = vf; + repr->ops.add = ice_repr_add_vf; + repr->ops.rem = ice_repr_rem_vf; + repr->ops.ready = ice_repr_ready_vf; + + ether_addr_copy(repr->parent_mac, vf->hw_lan_addr); + + return repr; +} + +static int ice_repr_add_sf(struct ice_repr *repr) +{ + struct ice_dynamic_port *sf = repr->sf; + int err; + + err = ice_devlink_create_sf_port(sf); + if (err) + return err; + + SET_NETDEV_DEVLINK_PORT(repr->netdev, &sf->devlink_port); + err = ice_repr_reg_netdev(repr->netdev, &ice_repr_sf_netdev_ops); + if (err) + goto err_netdev; + + ice_repr_set_tx_topology(sf->vsi->back, priv_to_devlink(sf->vsi->back)); + + return 0; + +err_netdev: + ice_devlink_destroy_sf_port(sf); + return err; +} + +/** + * ice_repr_create_sf - add representor for SF VSI + * @sf: SF to create port representor on + * + * Set correct representor type for SF and functions pointer. + * + * Return: created port representor on success, error otherwise + */ +struct ice_repr *ice_repr_create_sf(struct ice_dynamic_port *sf) +{ + struct ice_repr *repr = ice_repr_create(sf->vsi); + + if (IS_ERR(repr)) + return repr; + + repr->type = ICE_REPR_TYPE_SF; + repr->sf = sf; + repr->ops.add = ice_repr_add_sf; + repr->ops.rem = ice_repr_rem_sf; + repr->ops.ready = ice_repr_ready_sf; + + ether_addr_copy(repr->parent_mac, sf->hw_addr); + + return repr; } struct ice_repr *ice_repr_get(struct ice_pf *pf, u32 id) |