diff options
Diffstat (limited to 'drivers/net/ethernet/intel/ice/ice_repr.c')
| -rw-r--r-- | drivers/net/ethernet/intel/ice/ice_repr.c | 195 |
1 files changed, 94 insertions, 101 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice_repr.c b/drivers/net/ethernet/intel/ice/ice_repr.c index c686ac0935eb..5f30fb131f74 100644 --- a/drivers/net/ethernet/intel/ice/ice_repr.c +++ b/drivers/net/ethernet/intel/ice/ice_repr.c @@ -14,7 +14,7 @@ */ static int ice_repr_get_sw_port_id(struct ice_repr *repr) { - return repr->vf->pf->hw.port_info->lport; + return repr->src_vsi->back->hw.port_info->lport; } /** @@ -35,7 +35,7 @@ ice_repr_get_phys_port_name(struct net_device *netdev, char *buf, size_t len) return -EOPNOTSUPP; res = snprintf(buf, len, "pf%dvfr%d", ice_repr_get_sw_port_id(repr), - repr->vf->vf_id); + repr->id); if (res <= 0) return -EOPNOTSUPP; return 0; @@ -278,25 +278,67 @@ ice_repr_reg_netdev(struct net_device *netdev) return register_netdev(netdev); } +static void ice_repr_remove_node(struct devlink_port *devlink_port) +{ + devl_lock(devlink_port->devlink); + devl_rate_leaf_destroy(devlink_port); + devl_unlock(devlink_port->devlink); +} + /** - * ice_repr_add - add representor for VF - * @vf: pointer to VF structure + * ice_repr_rem - remove representor from VF + * @repr: pointer to representor structure */ -static int ice_repr_add(struct ice_vf *vf) +static void ice_repr_rem(struct ice_repr *repr) +{ + kfree(repr->q_vector); + 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) +{ + ice_repr_remove_node(&repr->vf->devlink_port); + 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) +{ + 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 + * @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) { struct ice_q_vector *q_vector; struct ice_netdev_priv *np; struct ice_repr *repr; - struct ice_vsi *vsi; int err; - vsi = ice_get_vf_vsi(vf); - if (!vsi) - return -EINVAL; - repr = kzalloc(sizeof(*repr), GFP_KERNEL); if (!repr) - return -ENOMEM; + return ERR_PTR(-ENOMEM); repr->netdev = alloc_etherdev(sizeof(struct ice_netdev_priv)); if (!repr->netdev) { @@ -304,9 +346,7 @@ static int ice_repr_add(struct ice_vf *vf) goto err_alloc; } - repr->src_vsi = vsi; - repr->vf = vf; - vf->repr = repr; + repr->src_vsi = src_vsi; np = netdev_priv(repr->netdev); np->repr = repr; @@ -316,10 +356,40 @@ static int ice_repr_add(struct ice_vf *vf) goto err_alloc_q_vector; } repr->q_vector = q_vector; + repr->q_id = repr->id; + + ether_addr_copy(repr->parent_mac, parent_mac); + + return repr; + +err_alloc_q_vector: + free_netdev(repr->netdev); +err_alloc: + kfree(repr); + return ERR_PTR(err); +} + +struct ice_repr *ice_repr_add_vf(struct ice_vf *vf) +{ + struct ice_repr *repr; + struct ice_vsi *vsi; + int err; + + vsi = ice_get_vf_vsi(vf); + if (!vsi) + return ERR_PTR(-ENOENT); err = ice_devlink_create_vf_port(vf); if (err) - goto err_devlink; + 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; @@ -331,100 +401,23 @@ static int ice_repr_add(struct ice_vf *vf) goto err_netdev; ice_virtchnl_set_repr_ops(vf); + ice_repr_set_tx_topology(vf->pf); - return 0; + return repr; err_netdev: + ice_repr_rem(repr); +err_repr_add: ice_devlink_destroy_vf_port(vf); -err_devlink: - kfree(repr->q_vector); - vf->repr->q_vector = NULL; -err_alloc_q_vector: - free_netdev(repr->netdev); - repr->netdev = NULL; -err_alloc: - kfree(repr); - vf->repr = NULL; - return err; -} - -/** - * ice_repr_rem - remove representor from VF - * @vf: pointer to VF structure - */ -static void ice_repr_rem(struct ice_vf *vf) -{ - if (!vf->repr) - return; - - kfree(vf->repr->q_vector); - vf->repr->q_vector = NULL; - unregister_netdev(vf->repr->netdev); - ice_devlink_destroy_vf_port(vf); - free_netdev(vf->repr->netdev); - vf->repr->netdev = NULL; - kfree(vf->repr); - vf->repr = NULL; - - ice_virtchnl_set_dflt_ops(vf); -} - -/** - * ice_repr_rem_from_all_vfs - remove port representor for all VFs - * @pf: pointer to PF structure - */ -void ice_repr_rem_from_all_vfs(struct ice_pf *pf) -{ - struct devlink *devlink; - struct ice_vf *vf; - unsigned int bkt; - - lockdep_assert_held(&pf->vfs.table_lock); - - ice_for_each_vf(pf, bkt, vf) - ice_repr_rem(vf); - - /* since all port representors are destroyed, there is - * no point in keeping the nodes - */ - devlink = priv_to_devlink(pf); - devl_lock(devlink); - devl_rate_nodes_destroy(devlink); - devl_unlock(devlink); + return ERR_PTR(err); } -/** - * ice_repr_add_for_all_vfs - add port representor for all VFs - * @pf: pointer to PF structure - */ -int ice_repr_add_for_all_vfs(struct ice_pf *pf) +struct ice_repr *ice_repr_get_by_vsi(struct ice_vsi *vsi) { - struct devlink *devlink; - struct ice_vf *vf; - unsigned int bkt; - int err; - - lockdep_assert_held(&pf->vfs.table_lock); - - ice_for_each_vf(pf, bkt, vf) { - err = ice_repr_add(vf); - if (err) - goto err; - } - - /* only export if ADQ and DCB disabled */ - if (ice_is_adq_active(pf) || ice_is_dcb_active(pf)) - return 0; - - devlink = priv_to_devlink(pf); - ice_devlink_rate_init_tx_topology(devlink, ice_get_main_vsi(pf)); - - return 0; - -err: - ice_repr_rem_from_all_vfs(pf); + if (!vsi->vf) + return NULL; - return err; + return xa_load(&vsi->back->eswitch.reprs, vsi->vf->repr_id); } /** |