diff options
Diffstat (limited to 'net/core/dev.c')
| -rw-r--r-- | net/core/dev.c | 95 |
1 files changed, 51 insertions, 44 deletions
diff --git a/net/core/dev.c b/net/core/dev.c index 59a9089117de..354d3453b407 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -1768,7 +1768,7 @@ static void __dev_close(struct net_device *dev) list_del(&single); } -void dev_close_many(struct list_head *head, bool unlink) +void netif_close_many(struct list_head *head, bool unlink) { struct net_device *dev, *tmp; @@ -1786,7 +1786,7 @@ void dev_close_many(struct list_head *head, bool unlink) list_del_init(&dev->close_list); } } -EXPORT_SYMBOL(dev_close_many); +EXPORT_SYMBOL_NS_GPL(netif_close_many, "NETDEV_INTERNAL"); void netif_close(struct net_device *dev) { @@ -1794,7 +1794,7 @@ void netif_close(struct net_device *dev) LIST_HEAD(single); list_add(&dev->close_list, &single); - dev_close_many(&single, true); + netif_close_many(&single, true); list_del(&single); } } @@ -4798,7 +4798,7 @@ static inline void ____napi_schedule(struct softnet_data *sd, if (test_bit(NAPI_STATE_THREADED, &napi->state)) { /* Paired with smp_mb__before_atomic() in - * napi_enable()/dev_set_threaded(). + * napi_enable()/netif_set_threaded(). * Use READ_ONCE() to guarantee a complete * read on napi->thread. Only call * wake_up_process() when it's not NULL. @@ -6990,7 +6990,7 @@ int napi_set_threaded(struct napi_struct *napi, bool threaded) return 0; } -int dev_set_threaded(struct net_device *dev, bool threaded) +int netif_set_threaded(struct net_device *dev, bool threaded) { struct napi_struct *napi; int err = 0; @@ -7031,7 +7031,7 @@ int dev_set_threaded(struct net_device *dev, bool threaded) return err; } -EXPORT_SYMBOL(dev_set_threaded); +EXPORT_SYMBOL(netif_set_threaded); /** * netif_queue_set_napi - Associate queue with the napi @@ -9454,12 +9454,12 @@ void dev_set_rx_mode(struct net_device *dev) } /** - * dev_get_flags - get flags reported to userspace - * @dev: device + * netif_get_flags() - get flags reported to userspace + * @dev: device * - * Get the combination of flag bits exported through APIs to userspace. + * Get the combination of flag bits exported through APIs to userspace. */ -unsigned int dev_get_flags(const struct net_device *dev) +unsigned int netif_get_flags(const struct net_device *dev) { unsigned int flags; @@ -9482,7 +9482,7 @@ unsigned int dev_get_flags(const struct net_device *dev) return flags; } -EXPORT_SYMBOL(dev_get_flags); +EXPORT_SYMBOL(netif_get_flags); int __dev_change_flags(struct net_device *dev, unsigned int flags, struct netlink_ext_ack *extack) @@ -9594,7 +9594,7 @@ int netif_change_flags(struct net_device *dev, unsigned int flags, return ret; } -int __dev_set_mtu(struct net_device *dev, int new_mtu) +int __netif_set_mtu(struct net_device *dev, int new_mtu) { const struct net_device_ops *ops = dev->netdev_ops; @@ -9605,7 +9605,7 @@ int __dev_set_mtu(struct net_device *dev, int new_mtu) WRITE_ONCE(dev->mtu, new_mtu); return 0; } -EXPORT_SYMBOL(__dev_set_mtu); +EXPORT_SYMBOL_NS_GPL(__netif_set_mtu, "NETDEV_INTERNAL"); int dev_validate_mtu(struct net_device *dev, int new_mtu, struct netlink_ext_ack *extack) @@ -9624,18 +9624,22 @@ int dev_validate_mtu(struct net_device *dev, int new_mtu, } /** - * netif_set_mtu_ext - Change maximum transfer unit - * @dev: device - * @new_mtu: new transfer unit - * @extack: netlink extended ack + * netif_set_mtu_ext() - Change maximum transfer unit + * @dev: device + * @new_mtu: new transfer unit + * @extack: netlink extended ack + * + * Change the maximum transfer size of the network device. * - * Change the maximum transfer size of the network device. + * Return: 0 on success, -errno on failure. */ int netif_set_mtu_ext(struct net_device *dev, int new_mtu, struct netlink_ext_ack *extack) { int err, orig_mtu; + netdev_ops_assert_locked(dev); + if (new_mtu == dev->mtu) return 0; @@ -9652,7 +9656,7 @@ int netif_set_mtu_ext(struct net_device *dev, int new_mtu, return err; orig_mtu = dev->mtu; - err = __dev_set_mtu(dev, new_mtu); + err = __netif_set_mtu(dev, new_mtu); if (!err) { err = call_netdevice_notifiers_mtu(NETDEV_CHANGEMTU, dev, @@ -9662,7 +9666,7 @@ int netif_set_mtu_ext(struct net_device *dev, int new_mtu, /* setting mtu back and notifying everyone again, * so that they have a chance to revert changes. */ - __dev_set_mtu(dev, orig_mtu); + __netif_set_mtu(dev, orig_mtu); call_netdevice_notifiers_mtu(NETDEV_CHANGEMTU, dev, new_mtu); } @@ -9716,13 +9720,15 @@ void netif_set_group(struct net_device *dev, int new_group) } /** - * dev_pre_changeaddr_notify - Call NETDEV_PRE_CHANGEADDR. - * @dev: device - * @addr: new address - * @extack: netlink extended ack + * netif_pre_changeaddr_notify() - Call NETDEV_PRE_CHANGEADDR. + * @dev: device + * @addr: new address + * @extack: netlink extended ack + * + * Return: 0 on success, -errno on failure. */ -int dev_pre_changeaddr_notify(struct net_device *dev, const char *addr, - struct netlink_ext_ack *extack) +int netif_pre_changeaddr_notify(struct net_device *dev, const char *addr, + struct netlink_ext_ack *extack) { struct netdev_notifier_pre_changeaddr_info info = { .info.dev = dev, @@ -9734,7 +9740,7 @@ int dev_pre_changeaddr_notify(struct net_device *dev, const char *addr, rc = call_netdevice_notifiers_info(NETDEV_PRE_CHANGEADDR, &info.info); return notifier_to_errno(rc); } -EXPORT_SYMBOL(dev_pre_changeaddr_notify); +EXPORT_SYMBOL_NS_GPL(netif_pre_changeaddr_notify, "NETDEV_INTERNAL"); int netif_set_mac_address(struct net_device *dev, struct sockaddr_storage *ss, struct netlink_ext_ack *extack) @@ -9748,7 +9754,7 @@ int netif_set_mac_address(struct net_device *dev, struct sockaddr_storage *ss, return -EINVAL; if (!netif_device_present(dev)) return -ENODEV; - err = dev_pre_changeaddr_notify(dev, ss->__data, extack); + err = netif_pre_changeaddr_notify(dev, ss->__data, extack); if (err) return err; if (memcmp(dev->dev_addr, ss->__data, dev->addr_len)) { @@ -9765,7 +9771,7 @@ int netif_set_mac_address(struct net_device *dev, struct sockaddr_storage *ss, DECLARE_RWSEM(dev_addr_sem); /* "sa" is a true struct sockaddr with limited "sa_data" member. */ -int dev_get_mac_address(struct sockaddr *sa, struct net *net, char *dev_name) +int netif_get_mac_address(struct sockaddr *sa, struct net *net, char *dev_name) { size_t size = sizeof(sa->sa_data_min); struct net_device *dev; @@ -9791,7 +9797,7 @@ unlock: up_read(&dev_addr_sem); return ret; } -EXPORT_SYMBOL(dev_get_mac_address); +EXPORT_SYMBOL_NS_GPL(netif_get_mac_address, "NETDEV_INTERNAL"); int netif_change_carrier(struct net_device *dev, bool new_carrier) { @@ -9844,16 +9850,17 @@ int dev_get_phys_port_name(struct net_device *dev, } /** - * dev_get_port_parent_id - Get the device's port parent identifier - * @dev: network device - * @ppid: pointer to a storage for the port's parent identifier - * @recurse: allow/disallow recursion to lower devices + * netif_get_port_parent_id() - Get the device's port parent identifier + * @dev: network device + * @ppid: pointer to a storage for the port's parent identifier + * @recurse: allow/disallow recursion to lower devices + * + * Get the devices's port parent identifier. * - * Get the devices's port parent identifier + * Return: 0 on success, -errno on failure. */ -int dev_get_port_parent_id(struct net_device *dev, - struct netdev_phys_item_id *ppid, - bool recurse) +int netif_get_port_parent_id(struct net_device *dev, + struct netdev_phys_item_id *ppid, bool recurse) { const struct net_device_ops *ops = dev->netdev_ops; struct netdev_phys_item_id first = { }; @@ -9872,7 +9879,7 @@ int dev_get_port_parent_id(struct net_device *dev, return err; netdev_for_each_lower_dev(dev, lower_dev, iter) { - err = dev_get_port_parent_id(lower_dev, ppid, true); + err = netif_get_port_parent_id(lower_dev, ppid, true); if (err) break; if (!first.id_len) @@ -9883,7 +9890,7 @@ int dev_get_port_parent_id(struct net_device *dev, return err; } -EXPORT_SYMBOL(dev_get_port_parent_id); +EXPORT_SYMBOL(netif_get_port_parent_id); /** * netdev_port_same_parent_id - Indicate if two network devices have @@ -9896,8 +9903,8 @@ bool netdev_port_same_parent_id(struct net_device *a, struct net_device *b) struct netdev_phys_item_id a_id = { }; struct netdev_phys_item_id b_id = { }; - if (dev_get_port_parent_id(a, &a_id, true) || - dev_get_port_parent_id(b, &b_id, true)) + if (netif_get_port_parent_id(a, &a_id, true) || + netif_get_port_parent_id(b, &b_id, true)) return false; return netdev_phys_item_id_same(&a_id, &b_id); @@ -12092,7 +12099,7 @@ void unregister_netdevice_many_notify(struct list_head *head, netdev_lock(dev); } } - dev_close_many(&close_head, true); + netif_close_many(&close_head, true); /* ... now unlock them and go over the rest. */ list_for_each_entry(dev, head, unreg_list) { if (netdev_need_ops_lock(dev)) @@ -12100,7 +12107,7 @@ void unregister_netdevice_many_notify(struct list_head *head, else list_add_tail(&dev->close_list, &close_head); } - dev_close_many(&close_head, true); + netif_close_many(&close_head, true); list_for_each_entry(dev, head, unreg_list) { /* And unlink it from device chain. */ |