diff options
| -rw-r--r-- | drivers/net/ethernet/emulex/benet/be_main.c | 10 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/fm10k/fm10k_pci.c | 2 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/ixgbe/ixgbe_main.c | 2 | ||||
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/en_netdev.c | 2 | ||||
| -rw-r--r-- | drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c | 10 | ||||
| -rw-r--r-- | drivers/net/geneve.c | 31 | ||||
| -rw-r--r-- | drivers/net/vxlan.c | 14 | ||||
| -rw-r--r-- | include/linux/netdevice.h | 2 | ||||
| -rw-r--r-- | include/net/geneve.h | 6 | ||||
| -rw-r--r-- | include/net/vxlan.h | 6 |
10 files changed, 63 insertions, 22 deletions
diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c index 5366864..ed98ef1 100644 --- a/drivers/net/ethernet/emulex/benet/be_main.c +++ b/drivers/net/ethernet/emulex/benet/be_main.c @@ -4890,11 +4890,13 @@ static int be_resume(struct be_adapter *adapter) if (status) return status; - if (netif_running(netdev)) { + rtnl_lock(); + if (netif_running(netdev)) status = be_open(netdev); - if (status) - return status; - } + rtnl_unlock(); + + if (status) + return status; netif_device_attach(netdev); diff --git a/drivers/net/ethernet/intel/fm10k/fm10k_pci.c b/drivers/net/ethernet/intel/fm10k/fm10k_pci.c index 404f47a..206a466 100644 --- a/drivers/net/ethernet/intel/fm10k/fm10k_pci.c +++ b/drivers/net/ethernet/intel/fm10k/fm10k_pci.c @@ -2287,8 +2287,10 @@ static void fm10k_io_resume(struct pci_dev *pdev) /* reassociate interrupts */ fm10k_mbx_request_irq(interface); + rtnl_lock(); if (netif_running(netdev)) err = fm10k_open(netdev); + rtnl_unlock(); /* final check of hardware state before registering the interface */ err = err ? : fm10k_hw_ready(interface); diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c index 2976df7..b2f2cf4 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c @@ -7192,10 +7192,12 @@ static void ixgbe_service_task(struct work_struct *work) return; } #ifdef CONFIG_IXGBE_VXLAN + rtnl_lock(); if (adapter->flags2 & IXGBE_FLAG2_VXLAN_REREG_NEEDED) { adapter->flags2 &= ~IXGBE_FLAG2_VXLAN_REREG_NEEDED; vxlan_get_rx_port(adapter->netdev); } + rtnl_unlock(); #endif /* CONFIG_IXGBE_VXLAN */ ixgbe_reset_subtask(adapter); ixgbe_phy_interrupt_subtask(adapter); diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c index b4b258c..8bd143d 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c @@ -1856,6 +1856,7 @@ static void mlx4_en_restart(struct work_struct *work) en_dbg(DRV, priv, "Watchdog task called for port %d\n", priv->port); + rtnl_lock(); mutex_lock(&mdev->state_lock); if (priv->port_up) { mlx4_en_stop_port(dev, 1); @@ -1863,6 +1864,7 @@ static void mlx4_en_restart(struct work_struct *work) en_err(priv, "Failed restarting port %d\n", priv->port); } mutex_unlock(&mdev->state_lock); + rtnl_unlock(); } static void mlx4_en_clear_stats(struct net_device *dev) diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c index 1205f6f..1c29105 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c @@ -3952,8 +3952,14 @@ static pci_ers_result_t qlcnic_82xx_io_error_detected(struct pci_dev *pdev, static pci_ers_result_t qlcnic_82xx_io_slot_reset(struct pci_dev *pdev) { - return qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT : - PCI_ERS_RESULT_RECOVERED; + pci_ers_result_t res; + + rtnl_lock(); + res = qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT : + PCI_ERS_RESULT_RECOVERED; + rtnl_unlock(); + + return res; } static void qlcnic_82xx_io_resume(struct pci_dev *pdev) diff --git a/drivers/net/geneve.c b/drivers/net/geneve.c index 512dbe0..9c40b88 100644 --- a/drivers/net/geneve.c +++ b/drivers/net/geneve.c @@ -1172,7 +1172,7 @@ static struct device_type geneve_type = { * supply the listening GENEVE udp ports. Callers are expected * to implement the ndo_add_geneve_port. */ -void geneve_get_rx_port(struct net_device *dev) +static void geneve_push_rx_ports(struct net_device *dev) { struct net *net = dev_net(dev); struct geneve_net *gn = net_generic(net, geneve_net_id); @@ -1181,6 +1181,9 @@ void geneve_get_rx_port(struct net_device *dev) struct sock *sk; __be16 port; + if (!dev->netdev_ops->ndo_add_geneve_port) + return; + rcu_read_lock(); list_for_each_entry_rcu(gs, &gn->sock_list, list) { sk = gs->sock->sk; @@ -1190,7 +1193,6 @@ void geneve_get_rx_port(struct net_device *dev) } rcu_read_unlock(); } -EXPORT_SYMBOL_GPL(geneve_get_rx_port); /* Initialize the device structure. */ static void geneve_setup(struct net_device *dev) @@ -1538,6 +1540,21 @@ struct net_device *geneve_dev_create_fb(struct net *net, const char *name, } EXPORT_SYMBOL_GPL(geneve_dev_create_fb); +static int geneve_netdevice_event(struct notifier_block *unused, + unsigned long event, void *ptr) +{ + struct net_device *dev = netdev_notifier_info_to_dev(ptr); + + if (event == NETDEV_OFFLOAD_PUSH_GENEVE) + geneve_push_rx_ports(dev); + + return NOTIFY_DONE; +} + +static struct notifier_block geneve_notifier_block __read_mostly = { + .notifier_call = geneve_netdevice_event, +}; + static __net_init int geneve_init_net(struct net *net) { struct geneve_net *gn = net_generic(net, geneve_net_id); @@ -1590,11 +1607,18 @@ static int __init geneve_init_module(void) if (rc) goto out1; - rc = rtnl_link_register(&geneve_link_ops); + rc = register_netdevice_notifier(&geneve_notifier_block); if (rc) goto out2; + rc = rtnl_link_register(&geneve_link_ops); + if (rc) + goto out3; + return 0; + +out3: + unregister_netdevice_notifier(&geneve_notifier_block); out2: unregister_pernet_subsys(&geneve_net_ops); out1: @@ -1605,6 +1629,7 @@ late_initcall(geneve_init_module); static void __exit geneve_cleanup_module(void) { rtnl_link_unregister(&geneve_link_ops); + unregister_netdevice_notifier(&geneve_notifier_block); unregister_pernet_subsys(&geneve_net_ops); } module_exit(geneve_cleanup_module); diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c index c2e22c2..6fb93b5 100644 --- a/drivers/net/vxlan.c +++ b/drivers/net/vxlan.c @@ -2527,7 +2527,7 @@ static struct device_type vxlan_type = { * supply the listening VXLAN udp ports. Callers are expected * to implement the ndo_add_vxlan_port. */ -void vxlan_get_rx_port(struct net_device *dev) +static void vxlan_push_rx_ports(struct net_device *dev) { struct vxlan_sock *vs; struct net *net = dev_net(dev); @@ -2536,6 +2536,9 @@ void vxlan_get_rx_port(struct net_device *dev) __be16 port; unsigned int i; + if (!dev->netdev_ops->ndo_add_vxlan_port) + return; + spin_lock(&vn->sock_lock); for (i = 0; i < PORT_HASH_SIZE; ++i) { hlist_for_each_entry_rcu(vs, &vn->sock_list[i], hlist) { @@ -2547,7 +2550,6 @@ void vxlan_get_rx_port(struct net_device *dev) } spin_unlock(&vn->sock_lock); } -EXPORT_SYMBOL_GPL(vxlan_get_rx_port); /* Initialize the device structure. */ static void vxlan_setup(struct net_device *dev) @@ -3283,20 +3285,22 @@ static void vxlan_handle_lowerdev_unregister(struct vxlan_net *vn, unregister_netdevice_many(&list_kill); } -static int vxlan_lowerdev_event(struct notifier_block *unused, - unsigned long event, void *ptr) +static int vxlan_netdevice_event(struct notifier_block *unused, + unsigned long event, void *ptr) { struct net_device *dev = netdev_notifier_info_to_dev(ptr); struct vxlan_net *vn = net_generic(dev_net(dev), vxlan_net_id); if (event == NETDEV_UNREGISTER) vxlan_handle_lowerdev_unregister(vn, dev); + else if (event == NETDEV_OFFLOAD_PUSH_VXLAN) + vxlan_push_rx_ports(dev); return NOTIFY_DONE; } static struct notifier_block vxlan_notifier_block __read_mostly = { - .notifier_call = vxlan_lowerdev_event, + .notifier_call = vxlan_netdevice_event, }; static __net_init int vxlan_init_net(struct net *net) diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index a3bb534..1f6d5db 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -2244,6 +2244,8 @@ struct netdev_lag_lower_state_info { #define NETDEV_BONDING_INFO 0x0019 #define NETDEV_PRECHANGEUPPER 0x001A #define NETDEV_CHANGELOWERSTATE 0x001B +#define NETDEV_OFFLOAD_PUSH_VXLAN 0x001C +#define NETDEV_OFFLOAD_PUSH_GENEVE 0x001D int register_netdevice_notifier(struct notifier_block *nb); int unregister_netdevice_notifier(struct notifier_block *nb); diff --git a/include/net/geneve.h b/include/net/geneve.h index e6c23dc..cb544a5 100644 --- a/include/net/geneve.h +++ b/include/net/geneve.h @@ -62,13 +62,11 @@ struct genevehdr { struct geneve_opt options[]; }; -#if IS_ENABLED(CONFIG_GENEVE) -void geneve_get_rx_port(struct net_device *netdev); -#else static inline void geneve_get_rx_port(struct net_device *netdev) { + ASSERT_RTNL(); + call_netdevice_notifiers(NETDEV_OFFLOAD_PUSH_GENEVE, netdev); } -#endif #ifdef CONFIG_INET struct net_device *geneve_dev_create_fb(struct net *net, const char *name, diff --git a/include/net/vxlan.h b/include/net/vxlan.h index d442eb3..673e9f9 100644 --- a/include/net/vxlan.h +++ b/include/net/vxlan.h @@ -390,13 +390,11 @@ static inline __be32 vxlan_compute_rco(unsigned int start, unsigned int offset) return vni_field; } -#if IS_ENABLED(CONFIG_VXLAN) -void vxlan_get_rx_port(struct net_device *netdev); -#else static inline void vxlan_get_rx_port(struct net_device *netdev) { + ASSERT_RTNL(); + call_netdevice_notifiers(NETDEV_OFFLOAD_PUSH_VXLAN, netdev); } -#endif static inline unsigned short vxlan_get_sk_family(struct vxlan_sock *vs) { |