diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c index ed95e28d60ef..951c0c00cc95 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c @@ -745,14 +745,10 @@ static int bnxt_dl_params_register(struct bnxt *bp) rc = devlink_params_register(bp->dl, bnxt_dl_params, ARRAY_SIZE(bnxt_dl_params)); - if (rc) { + if (rc) netdev_warn(bp->dev, "devlink_params_register failed. rc=%d\n", rc); - return rc; - } - devlink_params_publish(bp->dl); - - return 0; + return rc; } static void bnxt_dl_params_unregister(struct bnxt *bp) @@ -792,9 +788,8 @@ int bnxt_dl_register(struct bnxt *bp) bp->hwrm_spec_code > 0x10803) bp->eswitch_mode = DEVLINK_ESWITCH_MODE_LEGACY; - devlink_register(dl); if (!BNXT_PF(bp)) - return 0; + goto out; attrs.flavour = DEVLINK_PORT_FLAVOUR_PHYSICAL; attrs.phys.port_number = bp->pf.port_id; @@ -811,6 +806,8 @@ int bnxt_dl_register(struct bnxt *bp) if (rc) goto err_dl_port_unreg; +out: + devlink_register(dl); return 0; err_dl_port_unreg: @@ -824,10 +821,10 @@ void bnxt_dl_unregister(struct bnxt *bp) { struct devlink *dl = bp->dl; + devlink_unregister(dl); if (BNXT_PF(bp)) { bnxt_dl_params_unregister(bp); devlink_port_unregister(&bp->dl_port); } - devlink_unregister(dl); devlink_free(dl); } diff --git a/drivers/net/ethernet/cavium/liquidio/lio_main.c b/drivers/net/ethernet/cavium/liquidio/lio_main.c index a34b3bb2dd4f..dafc79bd34f4 100644 --- a/drivers/net/ethernet/cavium/liquidio/lio_main.c +++ b/drivers/net/ethernet/cavium/liquidio/lio_main.c @@ -1279,6 +1279,14 @@ static int liquidio_stop_nic_module(struct octeon_device *oct) struct lio *lio; dev_dbg(&oct->pci_dev->dev, "Stopping network interfaces\n"); + device_lock(&oct->pci_dev->dev); + if (oct->devlink) { + devlink_unregister(oct->devlink); + devlink_free(oct->devlink); + oct->devlink = NULL; + } + device_unlock(&oct->pci_dev->dev); + if (!oct->ifcount) { dev_err(&oct->pci_dev->dev, "Init for Octeon was not completed\n"); return 1; @@ -1300,12 +1308,6 @@ static int liquidio_stop_nic_module(struct octeon_device *oct) for (i = 0; i < oct->ifcount; i++) liquidio_destroy_nic_device(oct, i); - if (oct->devlink) { - devlink_unregister(oct->devlink); - devlink_free(oct->devlink); - oct->devlink = NULL; - } - dev_dbg(&oct->pci_dev->dev, "Network interfaces stopped\n"); return 0; } @@ -3749,10 +3751,12 @@ static int setup_nic_devices(struct octeon_device *octeon_dev) } } + device_lock(&octeon_dev->pci_dev->dev); devlink = devlink_alloc(&liquidio_devlink_ops, sizeof(struct lio_devlink_priv), &octeon_dev->pci_dev->dev); if (!devlink) { + device_unlock(&octeon_dev->pci_dev->dev); dev_err(&octeon_dev->pci_dev->dev, "devlink alloc failed\n"); goto setup_nic_dev_free; } @@ -3760,9 +3764,10 @@ static int setup_nic_devices(struct octeon_device *octeon_dev) lio_devlink = devlink_priv(devlink); lio_devlink->oct = octeon_dev; - devlink_register(devlink); octeon_dev->devlink = devlink; octeon_dev->eswitch_mode = DEVLINK_ESWITCH_MODE_LEGACY; + devlink_register(devlink); + device_unlock(&octeon_dev->pci_dev->dev); return 0; diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth-devlink.c b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth-devlink.c index 426926fb6fc6..7fefe1574b6a 100644 --- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth-devlink.c +++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth-devlink.c @@ -189,7 +189,7 @@ static const struct devlink_ops dpaa2_eth_devlink_ops = { .trap_group_action_set = dpaa2_eth_dl_trap_group_action_set, }; -int dpaa2_eth_dl_register(struct dpaa2_eth_priv *priv) +int dpaa2_eth_dl_alloc(struct dpaa2_eth_priv *priv) { struct net_device *net_dev = priv->net_dev; struct device *dev = net_dev->dev.parent; @@ -203,15 +203,23 @@ int dpaa2_eth_dl_register(struct dpaa2_eth_priv *priv) } dl_priv = devlink_priv(priv->devlink); dl_priv->dpaa2_priv = priv; - - devlink_register(priv->devlink); return 0; } +void dpaa2_eth_dl_free(struct dpaa2_eth_priv *priv) +{ + devlink_free(priv->devlink); +} + + +void dpaa2_eth_dl_register(struct dpaa2_eth_priv *priv) +{ + devlink_register(priv->devlink); +} + void dpaa2_eth_dl_unregister(struct dpaa2_eth_priv *priv) { devlink_unregister(priv->devlink); - devlink_free(priv->devlink); } int dpaa2_eth_dl_port_add(struct dpaa2_eth_priv *priv) diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c index 7065c71ed7b8..03c168b1712f 100644 --- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c +++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c @@ -4431,7 +4431,7 @@ static int dpaa2_eth_probe(struct fsl_mc_device *dpni_dev) if (err) goto err_connect_mac; - err = dpaa2_eth_dl_register(priv); + err = dpaa2_eth_dl_alloc(priv); if (err) goto err_dl_register; @@ -4453,6 +4453,7 @@ static int dpaa2_eth_probe(struct fsl_mc_device *dpni_dev) dpaa2_dbg_add(priv); #endif + dpaa2_eth_dl_register(priv); dev_info(dev, "Probed interface %s\n", net_dev->name); return 0; @@ -4461,7 +4462,7 @@ err_netdev_reg: err_dl_port_add: dpaa2_eth_dl_traps_unregister(priv); err_dl_trap_register: - dpaa2_eth_dl_unregister(priv); + dpaa2_eth_dl_free(priv); err_dl_register: dpaa2_eth_disconnect_mac(priv); err_connect_mac: @@ -4508,6 +4509,8 @@ static int dpaa2_eth_remove(struct fsl_mc_device *ls_dev) net_dev = dev_get_drvdata(dev); priv = netdev_priv(net_dev); + dpaa2_eth_dl_unregister(priv); + #ifdef CONFIG_DEBUG_FS dpaa2_dbg_remove(priv); #endif @@ -4519,7 +4522,7 @@ static int dpaa2_eth_remove(struct fsl_mc_device *ls_dev) dpaa2_eth_dl_port_del(priv); dpaa2_eth_dl_traps_unregister(priv); - dpaa2_eth_dl_unregister(priv); + dpaa2_eth_dl_free(priv); if (priv->do_link_poll) kthread_stop(priv->poll_thread); diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.h b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.h index cdb623d5f2c1..628d2d45f045 100644 --- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.h +++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.h @@ -725,7 +725,10 @@ void dpaa2_eth_set_rx_taildrop(struct dpaa2_eth_priv *priv, extern const struct dcbnl_rtnl_ops dpaa2_eth_dcbnl_ops; -int dpaa2_eth_dl_register(struct dpaa2_eth_priv *priv); +int dpaa2_eth_dl_alloc(struct dpaa2_eth_priv *priv); +void dpaa2_eth_dl_free(struct dpaa2_eth_priv *priv); + +void dpaa2_eth_dl_register(struct dpaa2_eth_priv *priv); void dpaa2_eth_dl_unregister(struct dpaa2_eth_priv *priv); int dpaa2_eth_dl_port_add(struct dpaa2_eth_priv *priv); diff --git a/drivers/net/ethernet/huawei/hinic/hinic_hw_dev.c b/drivers/net/ethernet/huawei/hinic/hinic_hw_dev.c index b2ece3adbc72..657a15447bd0 100644 --- a/drivers/net/ethernet/huawei/hinic/hinic_hw_dev.c +++ b/drivers/net/ethernet/huawei/hinic/hinic_hw_dev.c @@ -754,11 +754,9 @@ static int init_pfhwdev(struct hinic_pfhwdev *pfhwdev) return err; } - hinic_devlink_register(hwdev->devlink_dev); err = hinic_func_to_func_init(hwdev); if (err) { dev_err(&hwif->pdev->dev, "Failed to init mailbox\n"); - hinic_devlink_unregister(hwdev->devlink_dev); hinic_pf_to_mgmt_free(&pfhwdev->pf_to_mgmt); return err; } @@ -781,7 +779,7 @@ static int init_pfhwdev(struct hinic_pfhwdev *pfhwdev) } hinic_set_pf_action(hwif, HINIC_PF_MGMT_ACTIVE); - + hinic_devlink_register(hwdev->devlink_dev); return 0; } @@ -793,6 +791,7 @@ static void free_pfhwdev(struct hinic_pfhwdev *pfhwdev) { struct hinic_hwdev *hwdev = &pfhwdev->hwdev; + hinic_devlink_unregister(hwdev->devlink_dev); hinic_set_pf_action(hwdev->hwif, HINIC_PF_MGMT_INIT); if (!HINIC_IS_VF(hwdev->hwif)) { @@ -810,8 +809,6 @@ static void free_pfhwdev(struct hinic_pfhwdev *pfhwdev) hinic_func_to_func_free(hwdev); - hinic_devlink_unregister(hwdev->devlink_dev); - hinic_pf_to_mgmt_free(&pfhwdev->pf_to_mgmt); } diff --git a/drivers/net/ethernet/intel/ice/ice_main.c b/drivers/net/ethernet/intel/ice/ice_main.c index aacc0b345bbe..627adf8fb89d 100644 --- a/drivers/net/ethernet/intel/ice/ice_main.c +++ b/drivers/net/ethernet/intel/ice/ice_main.c @@ -4258,8 +4258,6 @@ ice_probe(struct pci_dev *pdev, const struct pci_device_id __always_unused *ent) pf->msg_enable = netif_msg_init(debug, ICE_DFLT_NETIF_M); - ice_devlink_register(pf); - #ifndef CONFIG_DYNAMIC_DEBUG if (debug < -1) hw->debug_mask = debug; @@ -4493,6 +4491,7 @@ probe_done: dev_warn(dev, "RDMA is not supported on this device\n"); } + ice_devlink_register(pf); return 0; err_init_aux_unroll: @@ -4516,7 +4515,6 @@ err_init_pf_unroll: ice_devlink_destroy_regions(pf); ice_deinit_hw(hw); err_exit_unroll: - ice_devlink_unregister(pf); pci_disable_pcie_error_reporting(pdev); pci_disable_device(pdev); return err; @@ -4593,6 +4591,7 @@ static void ice_remove(struct pci_dev *pdev) struct ice_pf *pf = pci_get_drvdata(pdev); int i; + ice_devlink_unregister(pf); for (i = 0; i < ICE_MAX_RESET_WAIT; i++) { if (!ice_is_reset_in_progress(pf->state)) break; @@ -4629,7 +4628,6 @@ static void ice_remove(struct pci_dev *pdev) ice_deinit_pf(pf); ice_devlink_destroy_regions(pf); ice_deinit_hw(&pf->hw); - ice_devlink_unregister(pf); /* Issue a PFR as part of the prescribed driver unload flow. Do not * do it via ice_schedule_reset() since there is no need to rebuild diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_devlink.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_devlink.c index de9562acd04b..70bacd38a6d9 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_devlink.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_devlink.c @@ -1510,7 +1510,6 @@ int rvu_register_dl(struct rvu *rvu) return -ENOMEM; } - devlink_register(dl); rvu_dl = devlink_priv(dl); rvu_dl->dl = dl; rvu_dl->rvu = rvu; @@ -1531,13 +1530,11 @@ int rvu_register_dl(struct rvu *rvu) goto err_dl_health; } - devlink_params_publish(dl); - + devlink_register(dl); return 0; err_dl_health: rvu_health_reporters_destroy(rvu); - devlink_unregister(dl); devlink_free(dl); return err; } @@ -1547,12 +1544,9 @@ void rvu_unregister_dl(struct rvu *rvu) struct rvu_devlink *rvu_dl = rvu->rvu_dl; struct devlink *dl = rvu_dl->dl; - if (!dl) - return; - + devlink_unregister(dl); devlink_params_unregister(dl, rvu_af_dl_params, ARRAY_SIZE(rvu_af_dl_params)); rvu_health_reporters_destroy(rvu); - devlink_unregister(dl); devlink_free(dl); } diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_devlink.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_devlink.c index 3de18f9433ae..777a27047c8e 100644 --- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_devlink.c +++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_devlink.c @@ -108,7 +108,6 @@ int otx2_register_dl(struct otx2_nic *pfvf) return -ENOMEM; } - devlink_register(dl); otx2_dl = devlink_priv(dl); otx2_dl->dl = dl; otx2_dl->pfvf = pfvf; @@ -122,12 +121,10 @@ int otx2_register_dl(struct otx2_nic *pfvf) goto err_dl; } - devlink_params_publish(dl); - + devlink_register(dl); return 0; err_dl: - devlink_unregister(dl); devlink_free(dl); return err; } @@ -135,16 +132,10 @@ err_dl: void otx2_unregister_dl(struct otx2_nic *pfvf) { struct otx2_devlink *otx2_dl = pfvf->dl; - struct devlink *dl; - - if (!otx2_dl || !otx2_dl->dl) - return; - - dl = otx2_dl->dl; - - devlink_params_unregister(dl, otx2_dl_params, - ARRAY_SIZE(otx2_dl_params)); + struct devlink *dl = otx2_dl->dl; devlink_unregister(dl); + devlink_params_unregister(dl, otx2_dl_params, + ARRAY_SIZE(otx2_dl_params)); devlink_free(dl); } diff --git a/drivers/net/ethernet/marvell/prestera/prestera_devlink.c b/drivers/net/ethernet/marvell/prestera/prestera_devlink.c index 5cca007a3e17..06279cd6da67 100644 --- a/drivers/net/ethernet/marvell/prestera/prestera_devlink.c +++ b/drivers/net/ethernet/marvell/prestera/prestera_devlink.c @@ -345,8 +345,6 @@ static struct prestera_trap prestera_trap_items_arr[] = { }, }; -static void prestera_devlink_traps_fini(struct prestera_switch *sw); - static int prestera_drop_counter_get(struct devlink *devlink, const struct devlink_trap *trap, u64 *p_drops); @@ -381,8 +379,6 @@ static int prestera_trap_action_set(struct devlink *devlink, enum devlink_trap_action action, struct netlink_ext_ack *extack); -static int prestera_devlink_traps_register(struct prestera_switch *sw); - static const struct devlink_ops prestera_dl_ops = { .info_get = prestera_dl_info_get, .trap_init = prestera_trap_init, @@ -407,34 +403,18 @@ void prestera_devlink_free(struct prestera_switch *sw) devlink_free(dl); } -int prestera_devlink_register(struct prestera_switch *sw) +void prestera_devlink_register(struct prestera_switch *sw) { struct devlink *dl = priv_to_devlink(sw); - int err; devlink_register(dl); - - err = prestera_devlink_traps_register(sw); - if (err) { - devlink_unregister(dl); - dev_err(sw->dev->dev, "devlink_traps_register failed: %d\n", - err); - return err; - } - - return 0; } void prestera_devlink_unregister(struct prestera_switch *sw) { - struct prestera_trap_data *trap_data = sw->trap_data; struct devlink *dl = priv_to_devlink(sw); - prestera_devlink_traps_fini(sw); devlink_unregister(dl); - - kfree(trap_data->trap_items_arr); - kfree(trap_data); } int prestera_devlink_port_register(struct prestera_port *port) @@ -482,7 +462,7 @@ struct devlink_port *prestera_devlink_get_port(struct net_device *dev) return &port->dl_port; } -static int prestera_devlink_traps_register(struct prestera_switch *sw) +int prestera_devlink_traps_register(struct prestera_switch *sw) { const u32 groups_count = ARRAY_SIZE(prestera_trap_groups_arr); const u32 traps_count = ARRAY_SIZE(prestera_trap_items_arr); @@ -621,8 +601,9 @@ static int prestera_drop_counter_get(struct devlink *devlink, cpu_code_type, p_drops); } -static void prestera_devlink_traps_fini(struct prestera_switch *sw) +void prestera_devlink_traps_unregister(struct prestera_switch *sw) { + struct prestera_trap_data *trap_data = sw->trap_data; struct devlink *dl = priv_to_devlink(sw); const struct devlink_trap *trap; int i; @@ -634,4 +615,6 @@ static void prestera_devlink_traps_fini(struct prestera_switch *sw) devlink_trap_groups_unregister(dl, prestera_trap_groups_arr, ARRAY_SIZE(prestera_trap_groups_arr)); + kfree(trap_data->trap_items_arr); + kfree(trap_data); } diff --git a/drivers/net/ethernet/marvell/prestera/prestera_devlink.h b/drivers/net/ethernet/marvell/prestera/prestera_devlink.h index cc34c3db13a2..b322295bad3a 100644 --- a/drivers/net/ethernet/marvell/prestera/prestera_devlink.h +++ b/drivers/net/ethernet/marvell/prestera/prestera_devlink.h @@ -9,7 +9,7 @@ struct prestera_switch *prestera_devlink_alloc(struct prestera_device *dev); void prestera_devlink_free(struct prestera_switch *sw); -int prestera_devlink_register(struct prestera_switch *sw); +void prestera_devlink_register(struct prestera_switch *sw); void prestera_devlink_unregister(struct prestera_switch *sw); int prestera_devlink_port_register(struct prestera_port *port); @@ -22,5 +22,7 @@ struct devlink_port *prestera_devlink_get_port(struct net_device *dev); void prestera_devlink_trap_report(struct prestera_port *port, struct sk_buff *skb, u8 cpu_code); +int prestera_devlink_traps_register(struct prestera_switch *sw); +void prestera_devlink_traps_unregister(struct prestera_switch *sw); #endif /* _PRESTERA_DEVLINK_H_ */ diff --git a/drivers/net/ethernet/marvell/prestera/prestera_main.c b/drivers/net/ethernet/marvell/prestera/prestera_main.c index 44c670807fb3..78a7a00bce22 100644 --- a/drivers/net/ethernet/marvell/prestera/prestera_main.c +++ b/drivers/net/ethernet/marvell/prestera/prestera_main.c @@ -851,7 +851,7 @@ static int prestera_switch_init(struct prestera_switch *sw) if (err) goto err_span_init; - err = prestera_devlink_register(sw); + err = prestera_devlink_traps_register(sw); if (err) goto err_dl_register; @@ -863,12 +863,13 @@ static int prestera_switch_init(struct prestera_switch *sw) if (err) goto err_ports_create; + prestera_devlink_register(sw); return 0; err_ports_create: prestera_lag_fini(sw); err_lag_init: - prestera_devlink_unregister(sw); + prestera_devlink_traps_unregister(sw); err_dl_register: prestera_span_fini(sw); err_span_init: @@ -888,9 +889,10 @@ err_swdev_register: static void prestera_switch_fini(struct prestera_switch *sw) { + prestera_devlink_unregister(sw); prestera_destroy_ports(sw); prestera_lag_fini(sw); - prestera_devlink_unregister(sw); + prestera_devlink_traps_unregister(sw); prestera_span_fini(sw); prestera_acl_fini(sw); prestera_event_handlers_unregister(sw); diff --git a/drivers/net/ethernet/mellanox/mlx4/main.c b/drivers/net/ethernet/mellanox/mlx4/main.c index 27ed4694fbea..9541f3a920c8 100644 --- a/drivers/net/ethernet/mellanox/mlx4/main.c +++ b/drivers/net/ethernet/mellanox/mlx4/main.c @@ -4015,7 +4015,6 @@ static int mlx4_init_one(struct pci_dev *pdev, const struct pci_device_id *id) mutex_init(&dev->persist->interface_state_mutex); mutex_init(&dev->persist->pci_status_mutex); - devlink_register(devlink); ret = devlink_params_register(devlink, mlx4_devlink_params, ARRAY_SIZE(mlx4_devlink_params)); if (ret) @@ -4025,16 +4024,15 @@ static int mlx4_init_one(struct pci_dev *pdev, const struct pci_device_id *id) if (ret) goto err_params_unregister; - devlink_params_publish(devlink); - devlink_reload_enable(devlink); pci_save_state(pdev); + devlink_register(devlink); + devlink_reload_enable(devlink); return 0; err_params_unregister: devlink_params_unregister(devlink, mlx4_devlink_params, ARRAY_SIZE(mlx4_devlink_params)); err_devlink_unregister: - devlink_unregister(devlink); kfree(dev->persist); err_devlink_free: devlink_free(devlink); @@ -4138,6 +4136,7 @@ static void mlx4_remove_one(struct pci_dev *pdev) int active_vfs = 0; devlink_reload_disable(devlink); + devlink_unregister(devlink); if (mlx4_is_slave(dev)) persist->interface_state |= MLX4_INTERFACE_STATE_NOWAIT; @@ -4173,7 +4172,6 @@ static void mlx4_remove_one(struct pci_dev *pdev) mlx4_pci_disable_device(dev); devlink_params_unregister(devlink, mlx4_devlink_params, ARRAY_SIZE(mlx4_devlink_params)); - devlink_unregister(devlink); kfree(dev->persist); devlink_free(devlink); } diff --git a/drivers/net/ethernet/mellanox/mlx5/core/devlink.c b/drivers/net/ethernet/mellanox/mlx5/core/devlink.c index b36f721625e4..d7576b6fa43b 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/devlink.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/devlink.c @@ -793,11 +793,11 @@ int mlx5_devlink_register(struct devlink *devlink) { int err; - devlink_register(devlink); err = devlink_params_register(devlink, mlx5_devlink_params, ARRAY_SIZE(mlx5_devlink_params)); if (err) - goto params_reg_err; + return err; + mlx5_devlink_set_params_init_values(devlink); err = mlx5_devlink_auxdev_params_register(devlink); @@ -808,7 +808,6 @@ int mlx5_devlink_register(struct devlink *devlink) if (err) goto traps_reg_err; - devlink_params_publish(devlink); return 0; traps_reg_err: @@ -816,17 +815,13 @@ traps_reg_err: auxdev_reg_err: devlink_params_unregister(devlink, mlx5_devlink_params, ARRAY_SIZE(mlx5_devlink_params)); -params_reg_err: - devlink_unregister(devlink); return err; } void mlx5_devlink_unregister(struct devlink *devlink) { - devlink_params_unpublish(devlink); mlx5_devlink_traps_unregister(devlink); mlx5_devlink_auxdev_params_unregister(devlink); devlink_params_unregister(devlink, mlx5_devlink_params, ARRAY_SIZE(mlx5_devlink_params)); - devlink_unregister(devlink); } diff --git a/drivers/net/ethernet/mellanox/mlx5/core/main.c b/drivers/net/ethernet/mellanox/mlx5/core/main.c index 79482824c64f..92b08fa07efa 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c @@ -1537,6 +1537,7 @@ static int probe_one(struct pci_dev *pdev, const struct pci_device_id *id) dev_err(&pdev->dev, "mlx5_crdump_enable failed with error code %d\n", err); pci_save_state(pdev); + devlink_register(devlink); if (!mlx5_core_is_mp_slave(dev)) devlink_reload_enable(devlink); return 0; @@ -1559,6 +1560,7 @@ static void remove_one(struct pci_dev *pdev) struct devlink *devlink = priv_to_devlink(dev); devlink_reload_disable(devlink); + devlink_unregister(devlink); mlx5_crdump_disable(dev); mlx5_drain_health_wq(dev); mlx5_uninit_one(dev); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/sf/dev/driver.c b/drivers/net/ethernet/mellanox/mlx5/core/sf/dev/driver.c index 052f48068dc1..3cf272fa2164 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/sf/dev/driver.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/sf/dev/driver.c @@ -46,6 +46,7 @@ static int mlx5_sf_dev_probe(struct auxiliary_device *adev, const struct auxilia mlx5_core_warn(mdev, "mlx5_init_one err=%d\n", err); goto init_one_err; } + devlink_register(devlink); devlink_reload_enable(devlink); return 0; @@ -65,6 +66,7 @@ static void mlx5_sf_dev_remove(struct auxiliary_device *adev) devlink = priv_to_devlink(sf_dev->mdev); devlink_reload_disable(devlink); + devlink_unregister(devlink); mlx5_uninit_one(sf_dev->mdev); iounmap(sf_dev->mdev->iseg); mlx5_mdev_uninit(sf_dev->mdev); diff --git a/drivers/net/ethernet/mellanox/mlxsw/core.c b/drivers/net/ethernet/mellanox/mlxsw/core.c index 9a570fa167b6..9e831e8b607a 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/core.c +++ b/drivers/net/ethernet/mellanox/mlxsw/core.c @@ -1973,9 +1973,6 @@ __mlxsw_core_bus_device_register(const struct mlxsw_bus_info *mlxsw_bus_info, if (err) goto err_emad_init; - if (!reload) - devlink_register(devlink); - if (!reload) { err = mlxsw_core_params_register(mlxsw_core); if (err) @@ -2010,10 +2007,10 @@ __mlxsw_core_bus_device_register(const struct mlxsw_bus_info *mlxsw_bus_info, goto err_driver_init; } - devlink_params_publish(devlink); - - if (!reload) + if (!reload) { + devlink_register(devlink); devlink_reload_enable(devlink); + } return 0; @@ -2030,8 +2027,6 @@ err_fw_rev_validate: if (!reload) mlxsw_core_params_unregister(mlxsw_core); err_register_params: - if (!reload) - devlink_unregister(devlink); mlxsw_emad_fini(mlxsw_core); err_emad_init: kfree(mlxsw_core->lag.mapping); @@ -2080,8 +2075,10 @@ void mlxsw_core_bus_device_unregister(struct mlxsw_core *mlxsw_core, { struct devlink *devlink = priv_to_devlink(mlxsw_core); - if (!reload) + if (!reload) { devlink_reload_disable(devlink); + devlink_unregister(devlink); + } if (devlink_is_reload_failed(devlink)) { if (!reload) /* Only the parts that were not de-initialized in the @@ -2092,7 +2089,6 @@ void mlxsw_core_bus_device_unregister(struct mlxsw_core *mlxsw_core, return; } - devlink_params_unpublish(devlink); if (mlxsw_core->driver->fini) mlxsw_core->driver->fini(mlxsw_core); mlxsw_env_fini(mlxsw_core->env); @@ -2101,8 +2097,6 @@ void mlxsw_core_bus_device_unregister(struct mlxsw_core *mlxsw_core, mlxsw_core_health_fini(mlxsw_core); if (!reload) mlxsw_core_params_unregister(mlxsw_core); - if (!reload) - devlink_unregister(devlink); mlxsw_emad_fini(mlxsw_core); kfree(mlxsw_core->lag.mapping); mlxsw_ports_fini(mlxsw_core, reload); @@ -2116,7 +2110,6 @@ void mlxsw_core_bus_device_unregister(struct mlxsw_core *mlxsw_core, reload_fail_deinit: mlxsw_core_params_unregister(mlxsw_core); - devlink_unregister(devlink); devlink_resources_unregister(devlink, NULL); devlink_free(devlink); } diff --git a/drivers/net/ethernet/mscc/ocelot_vsc7514.c b/drivers/net/ethernet/mscc/ocelot_vsc7514.c index 2b8ea48d2fc4..5d01993f6be0 100644 --- a/drivers/net/ethernet/mscc/ocelot_vsc7514.c +++ b/drivers/net/ethernet/mscc/ocelot_vsc7514.c @@ -1134,7 +1134,6 @@ static int mscc_ocelot_probe(struct platform_device *pdev) if (err) goto out_put_ports; - devlink_register(devlink); err = mscc_ocelot_init_ports(pdev, ports); if (err) goto out_ocelot_devlink_unregister; @@ -1157,6 +1156,7 @@ static int mscc_ocelot_probe(struct platform_device *pdev) register_switchdev_blocking_notifier(&ocelot_switchdev_blocking_nb); of_node_put(ports); + devlink_register(devlink); dev_info(&pdev->dev, "Ocelot switch probed\n"); @@ -1166,7 +1166,6 @@ out_ocelot_release_ports: mscc_ocelot_release_ports(ocelot); mscc_ocelot_teardown_devlink_ports(ocelot); out_ocelot_devlink_unregister: - devlink_unregister(devlink); ocelot_deinit(ocelot); out_put_ports: of_node_put(ports); @@ -1179,11 +1178,11 @@ static int mscc_ocelot_remove(struct platform_device *pdev) { struct ocelot *ocelot = platform_get_drvdata(pdev); + devlink_unregister(ocelot->devlink); ocelot_deinit_timestamp(ocelot); ocelot_devlink_sb_unregister(ocelot); mscc_ocelot_release_ports(ocelot); mscc_ocelot_teardown_devlink_ports(ocelot); - devlink_unregister(ocelot->devlink); ocelot_deinit(ocelot); unregister_switchdev_blocking_notifier(&ocelot_switchdev_blocking_nb); unregister_switchdev_notifier(&ocelot_switchdev_nb); diff --git a/drivers/net/ethernet/netronome/nfp/devlink_param.c b/drivers/net/ethernet/netronome/nfp/devlink_param.c index 36491835ac65..db297ee4d7ad 100644 --- a/drivers/net/ethernet/netronome/nfp/devlink_param.c +++ b/drivers/net/ethernet/netronome/nfp/devlink_param.c @@ -233,13 +233,8 @@ int nfp_devlink_params_register(struct nfp_pf *pf) if (err <= 0) return err; - err = devlink_params_register(devlink, nfp_devlink_params, - ARRAY_SIZE(nfp_devlink_params)); - if (err) - return err; - - devlink_params_publish(devlink); - return 0; + return devlink_params_register(devlink, nfp_devlink_params, + ARRAY_SIZE(nfp_devlink_params)); } void nfp_devlink_params_unregister(struct nfp_pf *pf) diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_main.c b/drivers/net/ethernet/netronome/nfp/nfp_net_main.c index 616872928ada..5fbb7c613ff1 100644 --- a/drivers/net/ethernet/netronome/nfp/nfp_net_main.c +++ b/drivers/net/ethernet/netronome/nfp/nfp_net_main.c @@ -701,7 +701,6 @@ int nfp_net_pci_probe(struct nfp_pf *pf) if (err) goto err_unmap; - devlink_register(devlink); err = nfp_shared_buf_register(pf); if (err) goto err_devlink_unreg; @@ -731,6 +730,7 @@ int nfp_net_pci_probe(struct nfp_pf *pf) goto err_stop_app; mutex_unlock(&pf->lock); + devlink_register(devlink); return 0; @@ -748,7 +748,6 @@ err_shared_buf_unreg: nfp_shared_buf_unregister(pf); err_devlink_unreg: cancel_work_sync(&pf->port_refresh_work); - devlink_unregister(devlink); nfp_net_pf_app_clean(pf); err_unmap: nfp_net_pci_unmap_mem(pf); @@ -759,6 +758,7 @@ void nfp_net_pci_remove(struct nfp_pf *pf) { struct nfp_net *nn, *next; + devlink_unregister(priv_to_devlink(pf)); mutex_lock(&pf->lock); list_for_each_entry_safe(nn, next, &pf->vnics, vnic_list) { if (!nfp_net_is_data_vnic(nn)) @@ -775,7 +775,6 @@ void nfp_net_pci_remove(struct nfp_pf *pf) nfp_devlink_params_unregister(pf); nfp_shared_buf_unregister(pf); - devlink_unregister(priv_to_devlink(pf)); nfp_net_pf_free_irqs(pf); nfp_net_pf_app_clean(pf); diff --git a/drivers/net/ethernet/pensando/ionic/ionic_devlink.c b/drivers/net/ethernet/pensando/ionic/ionic_devlink.c index 93282394d332..2267da95640b 100644 --- a/drivers/net/ethernet/pensando/ionic/ionic_devlink.c +++ b/drivers/net/ethernet/pensando/ionic/ionic_devlink.c @@ -82,7 +82,6 @@ int ionic_devlink_register(struct ionic *ionic) struct devlink_port_attrs attrs = {}; int err; - devlink_register(dl); attrs.flavour = DEVLINK_PORT_FLAVOUR_PHYSICAL; devlink_port_attrs_set(&ionic->dl_port, &attrs); err = devlink_port_register(dl, &ionic->dl_port, 0); @@ -93,6 +92,7 @@ int ionic_devlink_register(struct ionic *ionic) } devlink_port_type_eth_set(&ionic->dl_port, ionic->lif->netdev); + devlink_register(dl); return 0; } @@ -100,6 +100,6 @@ void ionic_devlink_unregister(struct ionic *ionic) { struct devlink *dl = priv_to_devlink(ionic); - devlink_port_unregister(&ionic->dl_port); devlink_unregister(dl); + devlink_port_unregister(&ionic->dl_port); } diff --git a/drivers/net/ethernet/qlogic/qed/qed_devlink.c b/drivers/net/ethernet/qlogic/qed/qed_devlink.c index c51f9590fe19..6bb4e165b592 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_devlink.c +++ b/drivers/net/ethernet/qlogic/qed/qed_devlink.c @@ -215,7 +215,6 @@ struct devlink *qed_devlink_register(struct qed_dev *cdev) qdevlink = devlink_priv(dl); qdevlink->cdev = cdev; - devlink_register(dl); rc = devlink_params_register(dl, qed_devlink_params, ARRAY_SIZE(qed_devlink_params)); if (rc) @@ -226,15 +225,13 @@ struct devlink *qed_devlink_register(struct qed_dev *cdev) QED_DEVLINK_PARAM_ID_IWARP_CMT, value); - devlink_params_publish(dl); cdev->iwarp_cmt = false; qed_fw_reporters_create(dl); - + devlink_register(dl); return dl; err_unregister: - devlink_unregister(dl); devlink_free(dl); return ERR_PTR(rc); @@ -245,11 +242,11 @@ void qed_devlink_unregister(struct devlink *devlink) if (!devlink) return; + devlink_unregister(devlink); qed_fw_reporters_destroy(devlink); devlink_params_unregister(devlink, qed_devlink_params, ARRAY_SIZE(qed_devlink_params)); - devlink_unregister(devlink); devlink_free(devlink); } diff --git a/drivers/net/ethernet/ti/am65-cpsw-nuss.c b/drivers/net/ethernet/ti/am65-cpsw-nuss.c index c2ea53ca92b6..0de5f4a4fe08 100644 --- a/drivers/net/ethernet/ti/am65-cpsw-nuss.c +++ b/drivers/net/ethernet/ti/am65-cpsw-nuss.c @@ -2429,7 +2429,6 @@ static int am65_cpsw_nuss_register_devlink(struct am65_cpsw_common *common) dl_priv = devlink_priv(common->devlink); dl_priv->common = common; - devlink_register(common->devlink); /* Provide devlink hook to switch mode when multiple external ports * are present NUSS switchdev driver is enabled. */ @@ -2442,7 +2441,6 @@ static int am65_cpsw_nuss_register_devlink(struct am65_cpsw_common *common) dev_err(dev, "devlink params reg fail ret:%d\n", ret); goto dl_unreg; } - devlink_params_publish(common->devlink); } for (i = 1; i <= common->port_num; i++) { @@ -2463,7 +2461,7 @@ static int am65_cpsw_nuss_register_devlink(struct am65_cpsw_common *common) } devlink_port_type_eth_set(dl_port, port->ndev); } - + devlink_register(common->devlink); return ret; dl_port_unreg: @@ -2474,7 +2472,6 @@ dl_port_unreg: devlink_port_unregister(dl_port); } dl_unreg: - devlink_unregister(common->devlink); devlink_free(common->devlink); return ret; } @@ -2485,6 +2482,8 @@ static void am65_cpsw_unregister_devlink(struct am65_cpsw_common *common) struct am65_cpsw_port *port; int i; + devlink_unregister(common->devlink); + for (i = 1; i <= common->port_num; i++) { port = am65_common_get_port(common, i); dl_port = &port->devlink_port; @@ -2493,13 +2492,11 @@ static void am65_cpsw_unregister_devlink(struct am65_cpsw_common *common) } if (!AM65_CPSW_IS_CPSW2G(common) && - IS_ENABLED(CONFIG_TI_K3_AM65_CPSW_SWITCHDEV)) { - devlink_params_unpublish(common->devlink); - devlink_params_unregister(common->devlink, am65_cpsw_devlink_params, + IS_ENABLED(CONFIG_TI_K3_AM65_CPSW_SWITCHDEV)) + devlink_params_unregister(common->devlink, + am65_cpsw_devlink_params, ARRAY_SIZE(am65_cpsw_devlink_params)); - } - devlink_unregister(common->devlink); devlink_free(common->devlink); } diff --git a/drivers/net/ethernet/ti/cpsw_new.c b/drivers/net/ethernet/ti/cpsw_new.c index 204b4826303c..1530532748a8 100644 --- a/drivers/net/ethernet/ti/cpsw_new.c +++ b/drivers/net/ethernet/ti/cpsw_new.c @@ -1810,7 +1810,6 @@ static int cpsw_register_devlink(struct cpsw_common *cpsw) dl_priv = devlink_priv(cpsw->devlink); dl_priv->cpsw = cpsw; - devlink_register(cpsw->devlink); ret = devlink_params_register(cpsw->devlink, cpsw_devlink_params, ARRAY_SIZE(cpsw_devlink_params)); if (ret) { @@ -1818,21 +1817,19 @@ static int cpsw_register_devlink(struct cpsw_common *cpsw) goto dl_unreg; } - devlink_params_publish(cpsw->devlink); + devlink_register(cpsw->devlink); return ret; dl_unreg: - devlink_unregister(cpsw->devlink); devlink_free(cpsw->devlink); return ret; } static void cpsw_unregister_devlink(struct cpsw_common *cpsw) { - devlink_params_unpublish(cpsw->devlink); + devlink_unregister(cpsw->devlink); devlink_params_unregister(cpsw->devlink, cpsw_devlink_params, ARRAY_SIZE(cpsw_devlink_params)); - devlink_unregister(cpsw->devlink); devlink_free(cpsw->devlink); } diff --git a/drivers/net/netdevsim/dev.c b/drivers/net/netdevsim/dev.c index b2214bc9efe2..cb6645012a30 100644 --- a/drivers/net/netdevsim/dev.c +++ b/drivers/net/netdevsim/dev.c @@ -1470,7 +1470,6 @@ int nsim_dev_probe(struct nsim_bus_dev *nsim_bus_dev) if (err) goto err_devlink_free; - devlink_register(devlink); err = devlink_params_register(devlink, nsim_devlink_params, ARRAY_SIZE(nsim_devlink_params)); if (err) @@ -1511,9 +1510,9 @@ int nsim_dev_probe(struct nsim_bus_dev *nsim_bus_dev) if (err) goto err_psample_exit; - devlink_params_publish(devlink); - devlink_reload_enable(devlink); nsim_dev->esw_mode = DEVLINK_ESWITCH_MODE_LEGACY; + devlink_register(devlink); + devlink_reload_enable(devlink); return 0; err_psample_exit: @@ -1534,7 +1533,6 @@ err_params_unregister: devlink_params_unregister(devlink, nsim_devlink_params, ARRAY_SIZE(nsim_devlink_params)); err_dl_unregister: - devlink_unregister(devlink); devlink_resources_unregister(devlink, NULL); err_devlink_free: devlink_free(devlink); @@ -1569,6 +1567,7 @@ void nsim_dev_remove(struct nsim_bus_dev *nsim_bus_dev) struct devlink *devlink = priv_to_devlink(nsim_dev); devlink_reload_disable(devlink); + devlink_unregister(devlink); nsim_dev_reload_destroy(nsim_dev); @@ -1576,7 +1575,6 @@ void nsim_dev_remove(struct nsim_bus_dev *nsim_bus_dev) nsim_dev_debugfs_exit(nsim_dev); devlink_params_unregister(devlink, nsim_devlink_params, ARRAY_SIZE(nsim_devlink_params)); - devlink_unregister(devlink); devlink_resources_unregister(devlink, NULL); devlink_free(devlink); } diff --git a/drivers/net/wwan/iosm/iosm_ipc_devlink.c b/drivers/net/wwan/iosm/iosm_ipc_devlink.c index 42dbe7fe663c..6fe56f73011b 100644 --- a/drivers/net/wwan/iosm/iosm_ipc_devlink.c +++ b/drivers/net/wwan/iosm/iosm_ipc_devlink.c @@ -305,7 +305,6 @@ struct iosm_devlink *ipc_devlink_init(struct iosm_imem *ipc_imem) ipc_devlink->devlink_ctx = devlink_ctx; ipc_devlink->pcie = ipc_imem->pcie; ipc_devlink->dev = ipc_imem->dev; - devlink_register(devlink_ctx); rc = devlink_params_register(devlink_ctx, iosm_devlink_params, ARRAY_SIZE(iosm_devlink_params)); @@ -315,7 +314,6 @@ struct iosm_devlink *ipc_devlink_init(struct iosm_imem *ipc_imem) goto param_reg_fail; } - devlink_params_publish(devlink_ctx); ipc_devlink->cd_file_info = list; rc = ipc_devlink_create_region(ipc_devlink); @@ -334,6 +332,7 @@ struct iosm_devlink *ipc_devlink_init(struct iosm_imem *ipc_imem) init_completion(&ipc_devlink->devlink_sio.read_sem); skb_queue_head_init(&ipc_devlink->devlink_sio.rx_list); + devlink_register(devlink_ctx); dev_dbg(ipc_devlink->dev, "iosm devlink register success"); return ipc_devlink; @@ -341,7 +340,6 @@ struct iosm_devlink *ipc_devlink_init(struct iosm_imem *ipc_imem) chnl_get_fail: ipc_devlink_destroy_region(ipc_devlink); region_create_fail: - devlink_params_unpublish(devlink_ctx); devlink_params_unregister(devlink_ctx, iosm_devlink_params, ARRAY_SIZE(iosm_devlink_params)); param_reg_fail: @@ -358,8 +356,8 @@ void ipc_devlink_deinit(struct iosm_devlink *ipc_devlink) { struct devlink *devlink_ctx = ipc_devlink->devlink_ctx; + devlink_unregister(devlink_ctx); ipc_devlink_destroy_region(ipc_devlink); - devlink_params_unpublish(devlink_ctx); devlink_params_unregister(devlink_ctx, iosm_devlink_params, ARRAY_SIZE(iosm_devlink_params)); if (ipc_devlink->devlink_sio.devlink_read_pend) { @@ -370,6 +368,5 @@ void ipc_devlink_deinit(struct iosm_devlink *ipc_devlink) skb_queue_purge(&ipc_devlink->devlink_sio.rx_list); ipc_imem_sys_devlink_close(ipc_devlink); - devlink_unregister(devlink_ctx); devlink_free(devlink_ctx); } diff --git a/drivers/ptp/ptp_ocp.c b/drivers/ptp/ptp_ocp.c index 4c25467198e3..34f943c8c9fd 100644 --- a/drivers/ptp/ptp_ocp.c +++ b/drivers/ptp/ptp_ocp.c @@ -2455,7 +2455,6 @@ ptp_ocp_probe(struct pci_dev *pdev, const struct pci_device_id *id) return -ENOMEM; } - devlink_register(devlink); err = pci_enable_device(pdev); if (err) { dev_err(&pdev->dev, "pci_enable_device\n"); @@ -2497,7 +2496,7 @@ ptp_ocp_probe(struct pci_dev *pdev, const struct pci_device_id *id) goto out; ptp_ocp_info(bp); - + devlink_register(devlink); return 0; out: @@ -2506,7 +2505,6 @@ out: out_disable: pci_disable_device(pdev); out_unregister: - devlink_unregister(devlink); devlink_free(devlink); return err; } @@ -2517,11 +2515,11 @@ ptp_ocp_remove(struct pci_dev *pdev) struct ptp_ocp *bp = pci_get_drvdata(pdev); struct devlink *devlink = priv_to_devlink(bp); + devlink_unregister(devlink); ptp_ocp_detach(bp); pci_set_drvdata(pdev, NULL); pci_disable_device(pdev); - devlink_unregister(devlink); devlink_free(devlink); } diff --git a/drivers/staging/qlge/qlge_main.c b/drivers/staging/qlge/qlge_main.c index 33539f6c254d..1dc849378a0f 100644 --- a/drivers/staging/qlge/qlge_main.c +++ b/drivers/staging/qlge/qlge_main.c @@ -4614,10 +4614,9 @@ static int qlge_probe(struct pci_dev *pdev, goto netdev_free; } - devlink_register(devlink); err = qlge_health_create_reporters(qdev); if (err) - goto devlink_unregister; + goto netdev_free; /* Start up the timer to trigger EEH if * the bus goes dead @@ -4628,10 +4627,9 @@ static int qlge_probe(struct pci_dev *pdev, qlge_display_dev_info(ndev); atomic_set(&qdev->lb_count, 0); cards_found++; + devlink_register(devlink); return 0; -devlink_unregister: - devlink_unregister(devlink); netdev_free: free_netdev(ndev); devlink_free: @@ -4656,13 +4654,13 @@ static void qlge_remove(struct pci_dev *pdev) struct net_device *ndev = qdev->ndev; struct devlink *devlink = priv_to_devlink(qdev); + devlink_unregister(devlink); del_timer_sync(&qdev->timer); qlge_cancel_all_work_sync(qdev); unregister_netdev(ndev); qlge_release_all(pdev); pci_disable_device(pdev); devlink_health_reporter_destroy(qdev->reporter); - devlink_unregister(devlink); devlink_free(devlink); free_netdev(ndev); } diff --git a/net/core/devlink.c b/net/core/devlink.c index 3ea33c689790..06edb2f1d21e 100644 --- a/net/core/devlink.c +++ b/net/core/devlink.c @@ -742,6 +742,7 @@ static void devlink_notify(struct devlink *devlink, enum devlink_command cmd) int err; WARN_ON(cmd != DEVLINK_CMD_NEW && cmd != DEVLINK_CMD_DEL); + WARN_ON(!xa_get_mark(&devlinks, devlink->index, DEVLINK_REGISTERED)); msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); if (!msg) @@ -1040,11 +1041,15 @@ nla_put_failure: static void devlink_port_notify(struct devlink_port *devlink_port, enum devlink_command cmd) { + struct devlink *devlink = devlink_port->devlink; struct sk_buff *msg; int err; WARN_ON(cmd != DEVLINK_CMD_PORT_NEW && cmd != DEVLINK_CMD_PORT_DEL); + if (!xa_get_mark(&devlinks, devlink->index, DEVLINK_REGISTERED)) + return; + msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); if (!msg) return; @@ -1055,18 +1060,19 @@ static void devlink_port_notify(struct devlink_port *devlink_port, return; } - genlmsg_multicast_netns(&devlink_nl_family, - devlink_net(devlink_port->devlink), msg, 0, - DEVLINK_MCGRP_CONFIG, GFP_KERNEL); + genlmsg_multicast_netns(&devlink_nl_family, devlink_net(devlink), msg, + 0, DEVLINK_MCGRP_CONFIG, GFP_KERNEL); } static void devlink_rate_notify(struct devlink_rate *devlink_rate, enum devlink_command cmd) { + struct devlink *devlink = devlink_rate->devlink; struct sk_buff *msg; int err; WARN_ON(cmd != DEVLINK_CMD_RATE_NEW && cmd != DEVLINK_CMD_RATE_DEL); + WARN_ON(!xa_get_mark(&devlinks, devlink->index, DEVLINK_REGISTERED)); msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); if (!msg) @@ -1078,9 +1084,8 @@ static void devlink_rate_notify(struct devlink_rate *devlink_rate, return; } - genlmsg_multicast_netns(&devlink_nl_family, - devlink_net(devlink_rate->devlink), msg, 0, - DEVLINK_MCGRP_CONFIG, GFP_KERNEL); + genlmsg_multicast_netns(&devlink_nl_family, devlink_net(devlink), msg, + 0, DEVLINK_MCGRP_CONFIG, GFP_KERNEL); } static int devlink_nl_cmd_rate_get_dumpit(struct sk_buff *msg, @@ -4150,6 +4155,7 @@ static void __devlink_flash_update_notify(struct devlink *devlink, WARN_ON(cmd != DEVLINK_CMD_FLASH_UPDATE && cmd != DEVLINK_CMD_FLASH_UPDATE_END && cmd != DEVLINK_CMD_FLASH_UPDATE_STATUS); + WARN_ON(!xa_get_mark(&devlinks, devlink->index, DEVLINK_REGISTERED)); msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); if (!msg) @@ -5145,17 +5151,18 @@ static void devlink_nl_region_notify(struct devlink_region *region, struct devlink_snapshot *snapshot, enum devlink_command cmd) { + struct devlink *devlink = region->devlink; struct sk_buff *msg; WARN_ON(cmd != DEVLINK_CMD_REGION_NEW && cmd != DEVLINK_CMD_REGION_DEL); + WARN_ON(!xa_get_mark(&devlinks, devlink->index, DEVLINK_REGISTERED)); msg = devlink_nl_region_notify_build(region, snapshot, cmd, 0, 0); if (IS_ERR(msg)) return; - genlmsg_multicast_netns(&devlink_nl_family, - devlink_net(region->devlink), msg, 0, - DEVLINK_MCGRP_CONFIG, GFP_KERNEL); + genlmsg_multicast_netns(&devlink_nl_family, devlink_net(devlink), msg, + 0, DEVLINK_MCGRP_CONFIG, GFP_KERNEL); } /** @@ -6920,10 +6927,12 @@ genlmsg_cancel: static void devlink_recover_notify(struct devlink_health_reporter *reporter, enum devlink_command cmd) { + struct devlink *devlink = reporter->devlink; struct sk_buff *msg; int err; WARN_ON(cmd != DEVLINK_CMD_HEALTH_REPORTER_RECOVER); + WARN_ON(!xa_get_mark(&devlinks, devlink->index, DEVLINK_REGISTERED)); msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); if (!msg) @@ -6935,9 +6944,8 @@ static void devlink_recover_notify(struct devlink_health_reporter *reporter, return; } - genlmsg_multicast_netns(&devlink_nl_family, - devlink_net(reporter->devlink), - msg, 0, DEVLINK_MCGRP_CONFIG, GFP_KERNEL); + genlmsg_multicast_netns(&devlink_nl_family, devlink_net(devlink), msg, + 0, DEVLINK_MCGRP_CONFIG, GFP_KERNEL); } void @@ -8955,6 +8963,68 @@ struct devlink *devlink_alloc_ns(const struct devlink_ops *ops, } EXPORT_SYMBOL_GPL(devlink_alloc_ns); +static void +devlink_trap_policer_notify(struct devlink *devlink, + const struct devlink_trap_policer_item *policer_item, + enum devlink_command cmd); +static void +devlink_trap_group_notify(struct devlink *devlink, + const struct devlink_trap_group_item *group_item, + enum devlink_command cmd); +static void devlink_trap_notify(struct devlink *devlink, + const struct devlink_trap_item *trap_item, + enum devlink_command cmd); + +static void devlink_notify_register(struct devlink *devlink) +{ + struct devlink_trap_policer_item *policer_item; + struct devlink_trap_group_item *group_item; + struct devlink_trap_item *trap_item; + struct devlink_port *devlink_port; + + devlink_notify(devlink, DEVLINK_CMD_NEW); + list_for_each_entry(devlink_port, &devlink->port_list, list) + devlink_port_notify(devlink_port, DEVLINK_CMD_PORT_NEW); + + list_for_each_entry(policer_item, &devlink->trap_policer_list, list) + devlink_trap_policer_notify(devlink, policer_item, + DEVLINK_CMD_TRAP_POLICER_NEW); + + list_for_each_entry(group_item, &devlink->trap_group_list, list) + devlink_trap_group_notify(devlink, group_item, + DEVLINK_CMD_TRAP_GROUP_NEW); + + list_for_each_entry(trap_item, &devlink->trap_list, list) + devlink_trap_notify(devlink, trap_item, DEVLINK_CMD_TRAP_NEW); + + devlink_params_publish(devlink); +} + +static void devlink_notify_unregister(struct devlink *devlink) +{ + struct devlink_trap_policer_item *policer_item; + struct devlink_trap_group_item *group_item; + struct devlink_trap_item *trap_item; + struct devlink_port *devlink_port; + + devlink_params_unpublish(devlink); + + list_for_each_entry_reverse(trap_item, &devlink->trap_list, list) + devlink_trap_notify(devlink, trap_item, DEVLINK_CMD_TRAP_DEL); + + list_for_each_entry_reverse(group_item, &devlink->trap_group_list, list) + devlink_trap_group_notify(devlink, group_item, + DEVLINK_CMD_TRAP_GROUP_DEL); + list_for_each_entry_reverse(policer_item, &devlink->trap_policer_list, + list) + devlink_trap_policer_notify(devlink, policer_item, + DEVLINK_CMD_TRAP_POLICER_DEL); + + list_for_each_entry_reverse(devlink_port, &devlink->port_list, list) + devlink_port_notify(devlink_port, DEVLINK_CMD_PORT_DEL); + devlink_notify(devlink, DEVLINK_CMD_DEL); +} + /** * devlink_register - Register devlink instance * @@ -8964,7 +9034,7 @@ void devlink_register(struct devlink *devlink) { mutex_lock(&devlink_mutex); xa_set_mark(&devlinks, devlink->index, DEVLINK_REGISTERED); - devlink_notify(devlink, DEVLINK_CMD_NEW); + devlink_notify_register(devlink); mutex_unlock(&devlink_mutex); } EXPORT_SYMBOL_GPL(devlink_register); @@ -8982,7 +9052,7 @@ void devlink_unregister(struct devlink *devlink) mutex_lock(&devlink_mutex); WARN_ON(devlink_reload_supported(devlink->ops) && devlink->reload_enabled); - devlink_notify(devlink, DEVLINK_CMD_DEL); + devlink_notify_unregister(devlink); xa_clear_mark(&devlinks, devlink->index, DEVLINK_REGISTERED); mutex_unlock(&devlink_mutex); } @@ -10086,6 +10156,9 @@ void devlink_params_publish(struct devlink *devlink) { struct devlink_param_item *param_item; + if (!xa_get_mark(&devlinks, devlink->index, DEVLINK_REGISTERED)) + return; + list_for_each_entry(param_item, &devlink->param_list, list) { if (param_item->published) continue; @@ -10631,6 +10704,8 @@ devlink_trap_group_notify(struct devlink *devlink, WARN_ON_ONCE(cmd != DEVLINK_CMD_TRAP_GROUP_NEW && cmd != DEVLINK_CMD_TRAP_GROUP_DEL); + if (!xa_get_mark(&devlinks, devlink->index, DEVLINK_REGISTERED)) + return; msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); if (!msg) @@ -10672,6 +10747,8 @@ static void devlink_trap_notify(struct devlink *devlink, WARN_ON_ONCE(cmd != DEVLINK_CMD_TRAP_NEW && cmd != DEVLINK_CMD_TRAP_DEL); + if (!xa_get_mark(&devlinks, devlink->index, DEVLINK_REGISTERED)) + return; msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); if (!msg) @@ -11053,6 +11130,8 @@ devlink_trap_policer_notify(struct devlink *devlink, WARN_ON_ONCE(cmd != DEVLINK_CMD_TRAP_POLICER_NEW && cmd != DEVLINK_CMD_TRAP_POLICER_DEL); + if (!xa_get_mark(&devlinks, devlink->index, DEVLINK_REGISTERED)) + return; msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); if (!msg) diff --git a/net/dsa/dsa2.c b/net/dsa/dsa2.c index a020339e1973..8ca6a1170c9d 100644 --- a/net/dsa/dsa2.c +++ b/net/dsa/dsa2.c @@ -848,7 +848,6 @@ static int dsa_switch_setup(struct dsa_switch *ds) dl_priv = devlink_priv(ds->devlink); dl_priv->ds = ds; - devlink_register(ds->devlink); /* Setup devlink port instances now, so that the switch * setup() can register regions etc, against the ports */ @@ -874,8 +873,6 @@ static int dsa_switch_setup(struct dsa_switch *ds) if (err) goto teardown; - devlink_params_publish(ds->devlink); - if (!ds->slave_mii_bus && ds->ops->phy_read) { ds->slave_mii_bus = mdiobus_alloc(); if (!ds->slave_mii_bus) { @@ -891,7 +888,7 @@ static int dsa_switch_setup(struct dsa_switch *ds) } ds->setup = true; - + devlink_register(ds->devlink); return 0; free_slave_mii_bus: @@ -906,7 +903,6 @@ unregister_devlink_ports: list_for_each_entry(dp, &ds->dst->ports, list) if (dp->ds == ds) dsa_port_devlink_teardown(dp); - devlink_unregister(ds->devlink); devlink_free(ds->devlink); ds->devlink = NULL; return err; @@ -919,6 +915,9 @@ static void dsa_switch_teardown(struct dsa_switch *ds) if (!ds->setup) return; + if (ds->devlink) + devlink_unregister(ds->devlink); + if (ds->slave_mii_bus && ds->ops->phy_read) { mdiobus_unregister(ds->slave_mii_bus); mdiobus_free(ds->slave_mii_bus); @@ -934,7 +933,6 @@ static void dsa_switch_teardown(struct dsa_switch *ds) list_for_each_entry(dp, &ds->dst->ports, list) if (dp->ds == ds) dsa_port_devlink_teardown(dp); - devlink_unregister(ds->devlink); devlink_free(ds->devlink); ds->devlink = NULL; }