netdev_txq_bql_complete_prefetchw – prefetch bql data for write Synopsis void netdev_txq_bql_complete_prefetchw(struct netdev_queue *dev_queue); Arguments dev_queue pointer to transmit queue Description BQL enabled drivers might use this helper in their TX completion path, to give appropriate hint to the CPU. Copyright
netdev_state_change – device changes state Synopsis void netdev_state_change(struct net_device *dev); Arguments dev device to cause notification Description Called to indicate a device has changed state. This function calls the notifier chains for netdev_chain and sends a NEWLINK message to the routing socket. Copyright
netdev_sent_queue – report the number of bytes queued to hardware Synopsis void netdev_sent_queue(struct net_device *dev, unsigned int bytes); Arguments dev network device bytes number of bytes queued to the hardware device queue Description Report the number of bytes queued for sending/completion to the network device hardware queue. bytes should be a good approximation and should…
netdev_rx_handler_unregister – unregister receive handler Synopsis void netdev_rx_handler_unregister(struct net_device *dev); Arguments dev device to unregister a handler from Description Unregister a receive handler from a device. The caller must hold the rtnl_mutex. Copyright
netdev_rx_handler_register – register receive handler Synopsis int netdev_rx_handler_register(struct net_device *dev, rx_handler_func_t *rx_handler, void *rx_handler_data); Arguments dev device to register a handler for rx_handler receive handler to register rx_handler_data data pointer that is used by rx handler Description Register a receive handler for a device. This handler will then be called from __netif_receive_skb. A negative errno…
netdev_reset_queue – reset the packets and bytes count of a network device Synopsis void netdev_reset_queue(struct net_device *dev_queue); Arguments dev_queue network device Description Reset the bytes and packet count of a network device and clear the software flow control OFF bit for this network device Copyright
netdev_priv – access network device private data Synopsis void *netdev_priv(const struct net_device *dev); Arguments dev network device Description Get network device private data Copyright
netdev_notify_peers – notify network peers about existence of dev Synopsis void netdev_notify_peers(struct net_device *dev); Arguments dev network device Description Generate traffic such that interested network peers are aware of dev, such as by generating a gratuitous ARP. This may be used when a device wants to inform the rest of the network about some sort…
netdev_master_upper_dev_link – Add a master link to the upper device Synopsis int netdev_master_upper_dev_link(struct net_device *dev, struct net_device *upper_dev, void *upper_priv, void *upper_info); Arguments dev device upper_dev new upper device upper_priv upper device private upper_info upper info to be passed down via notifier Description Adds a link to device which is upper to this one. In…
netdev_master_upper_dev_get_rcu – Get master upper device Synopsis struct net_device *netdev_master_upper_dev_get_rcu(struct net_device *dev); Arguments dev device Description Find a master upper device and return pointer to it or NULL in case it’s not there. The caller must hold the RCU read lock. Copyright
netdev_master_upper_dev_get – Get master upper device Synopsis struct net_device *netdev_master_upper_dev_get(struct net_device *dev); Arguments dev device Description Find a master upper device and return pointer to it or NULL in case it’s not there. The caller must hold the RTNL lock. Copyright
netdev_lower_state_changed – Dispatch event about lower device state change Synopsis void netdev_lower_state_changed(struct net_device *lower_dev, void *lower_state_info); Arguments lower_dev device lower_state_info state to dispatch Description Send NETDEV_CHANGELOWERSTATE to netdev notifiers with info. The caller must hold the RTNL lock. Copyright
netdev_lower_get_next_private_rcu – Get the next ->private from the lower neighbour list, RCU variant Synopsis void *netdev_lower_get_next_private_rcu(struct net_device *dev, struct list_head **iter); Arguments dev device iter list_head ** of the current position Description Gets the next netdev_adjacent->private from the dev’s lower neighbour list, starting from iter position. The caller must hold RCU read lock. Copyright
netdev_lower_get_next_private – Get the next ->private from the lower neighbour list Synopsis void *netdev_lower_get_next_private(struct net_device *dev, struct list_head **iter); Arguments dev device iter list_head ** of the current position Description Gets the next netdev_adjacent->private from the dev’s lower neighbour list, starting from iter position. The caller must hold either hold the RTNL lock or its…
netdev_lower_get_next – Get the next device from the lower neighbour list Synopsis void *netdev_lower_get_next(struct net_device *dev, struct list_head **iter); Arguments dev device iter list_head ** of the current position Description Gets the next netdev_adjacent from the dev’s lower neighbour list, starting from iter position. The caller must hold RTNL lock or its own locking that…
netdev_lower_get_first_private_rcu – Get the first ->private from the lower neighbour list, RCU variant Synopsis void *netdev_lower_get_first_private_rcu(struct net_device *dev); Arguments dev device Description Gets the first netdev_adjacent->private from the dev’s lower neighbour list. The caller must hold RCU read lock. Copyright
netdev_is_rx_handler_busy – check if receive handler is registered Synopsis bool netdev_is_rx_handler_busy(struct net_device * dev); Arguments dev device to check Description Check if a receive handler is already registered for a given device. Return true if there one. The caller must hold the rtnl_mutex. Copyright
netdev_increment_features – increment feature set by one Synopsis netdev_features_t netdev_increment_features(netdev_features_t all, netdev_features_t one, netdev_features_t mask); Arguments all current feature set one new feature set mask mask feature set Description Computes a new feature set after adding a device with feature set one to the master device with current feature set all. Will not enable anything that is off…
netdev_has_upper_dev – Check if device is linked to an upper device Synopsis bool netdev_has_upper_dev(struct net_device * dev, struct net_device * upper_dev); Arguments dev device upper_dev upper device to check Description Find out if a device is linked to specified upper device and return true in case it is. Note that this checks only immediate upper device, not through a…
netdev_features_change – device changes features Synopsis void netdev_features_change(struct net_device *dev); Arguments dev device to cause notification Description Called to indicate a device has changed features. Copyright