From d48834f9d4b4e7611cc84ac2c5018f1b420d59c2 Mon Sep 17 00:00:00 2001 From: Jiri Pirko <jiri@mellanox.com> Date: Sat, 25 Jan 2020 12:17:09 +0100 Subject: [PATCH] mlx5: Use dev_net netdevice notifier registrations Register the dev_net notifier and allow the per-net notifier to follow the device into different namespace. Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net> --- drivers/net/ethernet/mellanox/mlx5/core/en/fs.h | 1 + drivers/net/ethernet/mellanox/mlx5/core/en_main.c | 3 ++- drivers/net/ethernet/mellanox/mlx5/core/en_rep.c | 13 ++++++++++--- drivers/net/ethernet/mellanox/mlx5/core/en_rep.h | 1 + drivers/net/ethernet/mellanox/mlx5/core/en_tc.c | 9 +++++++-- drivers/net/ethernet/mellanox/mlx5/core/lag.c | 8 +++++--- drivers/net/ethernet/mellanox/mlx5/core/lag.h | 1 + drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.h | 2 +- 8 files changed, 28 insertions(+), 10 deletions(-) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/fs.h b/drivers/net/ethernet/mellanox/mlx5/core/en/fs.h index d48292ccda29..0416f7712109 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en/fs.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/fs.h @@ -21,6 +21,7 @@ struct mlx5e_tc_table { DECLARE_HASHTABLE(hairpin_tbl, 8); struct notifier_block netdevice_nb; + struct netdev_net_notifier netdevice_nn; }; struct mlx5e_flow_table { diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c index f3600ae4b0a1..454d3459bd8b 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c @@ -5144,6 +5144,7 @@ static void mlx5e_nic_enable(struct mlx5e_priv *priv) static void mlx5e_nic_disable(struct mlx5e_priv *priv) { + struct net_device *netdev = priv->netdev; struct mlx5_core_dev *mdev = priv->mdev; #ifdef CONFIG_MLX5_CORE_EN_DCB @@ -5164,7 +5165,7 @@ static void mlx5e_nic_disable(struct mlx5e_priv *priv) mlx5e_monitor_counter_cleanup(priv); mlx5e_disable_async_events(priv); - mlx5_lag_remove(mdev); + mlx5_lag_remove(mdev, netdev); } int mlx5e_update_nic_rx(struct mlx5e_priv *priv) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c index 09061b4c43af..7b48ccacebe2 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c @@ -1731,7 +1731,9 @@ static int mlx5e_init_uplink_rep_tx(struct mlx5e_rep_priv *rpriv) /* init indirect block notifications */ INIT_LIST_HEAD(&uplink_priv->tc_indr_block_priv_list); uplink_priv->netdevice_nb.notifier_call = mlx5e_nic_rep_netdevice_event; - err = register_netdevice_notifier(&uplink_priv->netdevice_nb); + err = register_netdevice_notifier_dev_net(rpriv->netdev, + &uplink_priv->netdevice_nb, + &uplink_priv->netdevice_nn); if (err) { mlx5_core_err(priv->mdev, "Failed to register netdev notifier\n"); goto tc_esw_cleanup; @@ -1770,8 +1772,12 @@ static int mlx5e_init_rep_tx(struct mlx5e_priv *priv) static void mlx5e_cleanup_uplink_rep_tx(struct mlx5e_rep_priv *rpriv) { + struct mlx5_rep_uplink_priv *uplink_priv = &rpriv->uplink_priv; + /* clean indirect TC block notifications */ - unregister_netdevice_notifier(&rpriv->uplink_priv.netdevice_nb); + unregister_netdevice_notifier_dev_net(rpriv->netdev, + &uplink_priv->netdevice_nb, + &uplink_priv->netdevice_nn); mlx5e_rep_indr_clean_block_privs(rpriv); /* delete shared tc flow table */ @@ -1855,6 +1861,7 @@ static void mlx5e_uplink_rep_enable(struct mlx5e_priv *priv) static void mlx5e_uplink_rep_disable(struct mlx5e_priv *priv) { + struct net_device *netdev = priv->netdev; struct mlx5_core_dev *mdev = priv->mdev; struct mlx5e_rep_priv *rpriv = priv->ppriv; @@ -1863,7 +1870,7 @@ static void mlx5e_uplink_rep_disable(struct mlx5e_priv *priv) #endif mlx5_notifier_unregister(mdev, &priv->events_nb); cancel_work_sync(&rpriv->uplink_priv.reoffload_flows_work); - mlx5_lag_remove(mdev); + mlx5_lag_remove(mdev, netdev); } static MLX5E_DEFINE_STATS_GRP(sw_rep, 0); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rep.h b/drivers/net/ethernet/mellanox/mlx5/core/en_rep.h index 31f83c8adcc9..3f756d51435f 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_rep.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rep.h @@ -73,6 +73,7 @@ struct mlx5_rep_uplink_priv { */ struct list_head tc_indr_block_priv_list; struct notifier_block netdevice_nb; + struct netdev_net_notifier netdevice_nn; struct mlx5_tun_entropy tun_entropy; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c index 915afb2a9b18..74091f72c9a8 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c @@ -4251,7 +4251,10 @@ int mlx5e_tc_nic_init(struct mlx5e_priv *priv) return err; tc->netdevice_nb.notifier_call = mlx5e_tc_netdev_event; - if (register_netdevice_notifier(&tc->netdevice_nb)) { + err = register_netdevice_notifier_dev_net(priv->netdev, + &tc->netdevice_nb, + &tc->netdevice_nn); + if (err) { tc->netdevice_nb.notifier_call = NULL; mlx5_core_warn(priv->mdev, "Failed to register netdev notifier\n"); } @@ -4273,7 +4276,9 @@ void mlx5e_tc_nic_cleanup(struct mlx5e_priv *priv) struct mlx5e_tc_table *tc = &priv->fs.tc; if (tc->netdevice_nb.notifier_call) - unregister_netdevice_notifier(&tc->netdevice_nb); + unregister_netdevice_notifier_dev_net(priv->netdev, + &tc->netdevice_nb, + &tc->netdevice_nn); mutex_destroy(&tc->mod_hdr.lock); mutex_destroy(&tc->hairpin_tbl_lock); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lag.c b/drivers/net/ethernet/mellanox/mlx5/core/lag.c index fc0d9583475d..b91eabc09fbc 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/lag.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/lag.c @@ -586,7 +586,8 @@ void mlx5_lag_add(struct mlx5_core_dev *dev, struct net_device *netdev) if (!ldev->nb.notifier_call) { ldev->nb.notifier_call = mlx5_lag_netdev_event; - if (register_netdevice_notifier(&ldev->nb)) { + if (register_netdevice_notifier_dev_net(netdev, &ldev->nb, + &ldev->nn)) { ldev->nb.notifier_call = NULL; mlx5_core_err(dev, "Failed to register LAG netdev notifier\n"); } @@ -599,7 +600,7 @@ void mlx5_lag_add(struct mlx5_core_dev *dev, struct net_device *netdev) } /* Must be called with intf_mutex held */ -void mlx5_lag_remove(struct mlx5_core_dev *dev) +void mlx5_lag_remove(struct mlx5_core_dev *dev, struct net_device *netdev) { struct mlx5_lag *ldev; int i; @@ -619,7 +620,8 @@ void mlx5_lag_remove(struct mlx5_core_dev *dev) if (i == MLX5_MAX_PORTS) { if (ldev->nb.notifier_call) - unregister_netdevice_notifier(&ldev->nb); + unregister_netdevice_notifier_dev_net(netdev, &ldev->nb, + &ldev->nn); mlx5_lag_mp_cleanup(ldev); cancel_delayed_work_sync(&ldev->bond_work); mlx5_lag_dev_free(ldev); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lag.h b/drivers/net/ethernet/mellanox/mlx5/core/lag.h index f1068aac6406..316ab09e2664 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/lag.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/lag.h @@ -44,6 +44,7 @@ struct mlx5_lag { struct workqueue_struct *wq; struct delayed_work bond_work; struct notifier_block nb; + struct netdev_net_notifier nn; struct lag_mp lag_mp; }; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.h b/drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.h index da67b28d6e23..fcce9e0fc82c 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.h @@ -157,7 +157,7 @@ int mlx5_query_qcam_reg(struct mlx5_core_dev *mdev, u32 *qcam, u8 feature_group, u8 access_reg_group); void mlx5_lag_add(struct mlx5_core_dev *dev, struct net_device *netdev); -void mlx5_lag_remove(struct mlx5_core_dev *dev); +void mlx5_lag_remove(struct mlx5_core_dev *dev, struct net_device *netdev); int mlx5_irq_table_init(struct mlx5_core_dev *dev); void mlx5_irq_table_cleanup(struct mlx5_core_dev *dev);