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
netdev_completed_queue – report bytes and packets completed by device Synopsis void netdev_completed_queue(struct net_device *dev, unsigned int pkts, unsigned int bytes); Arguments dev network device pkts actual number of packets sent over the medium bytes actual number of bytes sent over the medium Description Report the number of bytes and packets transmitted by the network device…
netdev_change_features – recalculate device features Synopsis void netdev_change_features(struct net_device *dev); Arguments dev the device to check Description Recalculate dev->features set and send notifications even if they have not changed. Should be called instead of netdev_update_features if also dev->vlan_features might have changed to allow the changes to be propagated to stacked VLAN devices. Copyright
netdev_cap_txqueue – check if selected tx queue exceeds device queues Synopsis u16 netdev_cap_txqueue(struct net_device * dev, u16 queue_index); Arguments dev network device queue_index given tx queue index Description Returns 0 if given tx queue index >= number of device tx queues, otherwise returns the originally passed tx queue index. Copyright
netdev_boot_setup_check – check boot time settings Synopsis int netdev_boot_setup_check(struct net_device *dev); Arguments dev the netdevice Description Check boot time settings for the device. The found settings are set for the device to be used later in the device probing. Returns 0 if no settings found, 1 if they are. Copyright
netdev_bonding_info_change – Dispatch event about slave change Synopsis void netdev_bonding_info_change(struct net_device *dev, struct netdev_bonding_info *bonding_info); Arguments dev device bonding_info info to dispatch Description Send NETDEV_BONDING_INFO to netdev notifiers with info. The caller must hold the RTNL lock. Copyright
netdev_alloc_skb – allocate an skbuff for rx on a specific device Synopsis struct sk_buff *netdev_alloc_skb(struct net_device *dev, unsigned int length); Arguments dev network device to receive on length length to allocate Description Allocate a new sk_buff and assign it a usage count of one. The buffer has unspecified headroom built in. Users should allocate the…
netdev_alloc_frag – allocate a page fragment Synopsis void *netdev_alloc_frag(unsigned int fragsz); Arguments fragsz fragment size Description Allocates a frag from a page for receive buffer. Uses GFP_ATOMIC allocations. Copyright
netdev_all_upper_get_next_dev_rcu – Get the next dev from upper list Synopsis struct net_device *netdev_all_upper_get_next_dev_rcu(struct net_device *dev, struct list_head **iter); Arguments dev device iter list_head ** of the current position Description Gets the next device from the dev’s upper list, starting from iter position. The caller must hold RCU read lock. Copyright
netdev_all_lower_get_next_rcu – Get the next device from all lower neighbour list, RCU variant Synopsis struct net_device *netdev_all_lower_get_next_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 from the dev’s all lower neighbour list, starting from iter position. The caller must hold RCU read lock….
netdev_all_lower_get_next – Get the next device from all lower neighbour list Synopsis struct net_device *netdev_all_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 all lower neighbour list, starting from iter position. The caller must hold RTNL lock or its own…
napi_synchronize – wait until NAPI is not running Synopsis void napi_synchronize(const struct napi_struct *n); Arguments n NAPI context Description Wait until NAPI is done being scheduled on this context. Waits till any outstanding processing completes but does not disable future activations. Copyright
napi_schedule_prep – check if NAPI can be scheduled Synopsis bool napi_schedule_prep(struct napi_struct * n); Arguments n NAPI context Description Test if NAPI routine is already running, and if not mark it as running. This is used as a condition variable to insure only one NAPI poll instance runs. We also make sure there is no pending NAPI…
napi_schedule_irqoff – schedule NAPI poll Synopsis void napi_schedule_irqoff(struct napi_struct *n); Arguments n NAPI context Description Variant of napi_schedule, assuming hard irqs are masked. Copyright
napi_schedule – schedule NAPI poll Synopsis void napi_schedule(struct napi_struct *n); Arguments n NAPI context Description Schedule NAPI poll routine to be called if it is not already running. Copyright