net/mlx5e: Use change upper event to setup representors' bond_metadata
Use change upper event to detect slave representor from enslaving/unslaving to/from lag device. On enslaving event, call mlx5_enslave_rep() API to create, add this slave representor shadow entry to the slaves list of bond_metadata structure representing master lag device and use its metadata to setup ingress acl metadata header. On unslaving event, resetting the vport of unslaved representor to use its default ingress/egress acls and rx rules with its default_metadata. The last slave will free the shared bond_metadata and its unique metadata. Signed-off-by: Vu Pham <vuhuong@mellanox.com> Reviewed-by: Parav Pandit <parav@mellanox.com> Reviewed-by: Roi Dayan <roid@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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@ -164,8 +164,13 @@ void mlx5e_rep_bond_unslave(struct mlx5_eswitch *esw,
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priv = netdev_priv(netdev);
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rpriv = priv->ppriv;
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/* Reset bond_metadata to zero first then reset all ingress/egress
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* acls and rx rules of unslave representor's vport
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*/
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mlx5_esw_acl_ingress_vport_bond_update(esw, rpriv->rep->vport, 0);
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mlx5_esw_acl_egress_vport_unbond(esw, rpriv->rep->vport);
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mlx5e_rep_bond_update(priv, false);
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list_del(&s_entry->list);
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netdev_dbg(netdev, "unslave rep vport(%d) lag_dev(%s) metadata(0x%x)\n",
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@ -253,22 +258,23 @@ static void mlx5e_rep_changeupper_event(struct net_device *netdev, void *ptr)
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{
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struct netdev_notifier_changeupper_info *info = ptr;
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struct mlx5e_rep_priv *rpriv;
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struct net_device *lag_dev;
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struct mlx5e_priv *priv;
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if (!mlx5e_rep_is_lag_netdev(netdev))
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return;
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/* Nothing to setup for new enslaved representor */
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if (info->linking)
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return;
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priv = netdev_priv(netdev);
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rpriv = priv->ppriv;
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netdev_dbg(netdev, "Unslave, reset vport(%d) egress acl\n", rpriv->rep->vport);
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lag_dev = info->upper_dev;
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/* Reset all egress acl rules of unslave representor's vport */
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mlx5_esw_acl_egress_vport_unbond(priv->mdev->priv.eswitch,
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rpriv->rep->vport);
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netdev_dbg(netdev, "%sslave vport(%d) lag(%s)\n",
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info->linking ? "en" : "un", rpriv->rep->vport, lag_dev->name);
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if (info->linking)
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mlx5e_rep_bond_enslave(priv->mdev->priv.eswitch, netdev, lag_dev);
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else
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mlx5e_rep_bond_unslave(priv->mdev->priv.eswitch, netdev, lag_dev);
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}
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/* Bond device of representors and netdev events are used here in specific way
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