netif_queue_set_napi(9)

netif_queue_set_napi(9) ✨

okay bestie, welcome to the Kernel API Manual glow-up for netif_queue_set_napi — the function that associates a queue with the napi. No cap, this one is short but it’s giving “plumbing with main character energy.” 💅

🌸 NAME 🌸

netif_queue_set_napi — associate queue with the napi. That’s the whole vibe: queue meets NAPI, they get linked. 🫶

✨ SYNOPSIS ✨

signature, copied exactly because we do not play with code, periodt:

void netif_queue_set_napi (struct net_device *dev , unsigned int
queue_index , enum netdev_queue_type type , struct napi_struct *napi );

🎀 ARGUMENTS 🎀

• dev — the device that both the NAPI and the queue belong to. your fave little home base 🏠
• queue_index — the index of the queue. literally the queue’s number, bestie 🔢
• type — the queue type, as RX or TX. so you gotta tell it which flavor 💌
• napi — the NAPI context. pass NULL to clear a previously set NAPI. yes, NULL is the “unmatch” button 🙈

🦋 DESCRIPTION 🦋

Set queue with its corresponding napi context. That’s the matchmaking moment: queue gets its napi context, and they’re officially linked. 🔥

timing tea ☕: this should be done after registering the NAPI handler for the queue-vector and the queues have been mapped to the corresponding interrupt vector. the order is the whole point, bestie 💀

It’s void, so don’t go looking for a return value. it does the thing and leaves, iconic behavior 👑

🌈 SEE ALSO 🌈

Kernel file ./net/core/dev.c is the source-file bestie, and the whole related crew is: dev_add_pack(9), __dev_remove_pack(9), dev_remove_pack(9), dev_get_iflink(9), dev_fill_metadata_dst(9), netdev_napi_by_id_lock(9), __dev_get_by_name(9), dev_get_by_name_rcu(9), netdev_get_by_name(9), __dev_get_by_index(9), dev_get_by_index_rcu(9), netdev_get_by_index(9), dev_get_by_napi_id(9), netdev_get_by_index_lock(9), netdev_get_name(9), dev_getbyhwaddr_rcu(9), dev_getbyhwaddr(9), netdev_get_by_flags_rcu(9), dev_valid_name(9), __dev_alloc_name(9), dev_alloc_name(9), dev_get_alias(9), netdev_features_change(9), __netdev_notify_peers(9), netdev_notify_peers(9), dev_disable_gro_hw(9), register_netdevice_notifier(9), unregister_netdevice_notifier(9), register_netdevice_notifier_net(9), unregister_netdevice_notifier_net(9), call_netdevice_notifiers_info(9), call_netdevice_notifiers_info_robust(9), call_netdevice_notifiers(9), call_netdevice_notifiers_mtu(9), dev_forward_skb(9), dev_nit_active_rcu(9), netif_setup_tc(9), netif_set_real_num_rx_queues(9), netif_set_real_num_queues(9), netif_set_tso_max_size(9), netif_set_tso_max_segs(9), netif_inherit_tso_max(9), netif_get_num_default_rss_queues(9), netif_device_detach(9), netif_device_attach(9), dev_loopback_xmit(9), __dev_queue_xmit(9), rps_flow_is_active(9), rps_may_expire_flow(9), __netif_rx(9), netif_rx(9), netdev_is_rx_handler_busy(9), netdev_rx_handler_register(9), netdev_rx_handler_unregister(9), netif_receive_skb_core(9), netif_receive_skb(9), netif_receive_skb_list(9), __napi_schedule(9), napi_schedule_prep(9), __napi_schedule_irqoff(9), netif_threaded_enable(9), napi_disable(9), napi_enable(9), netdev_has_upper_dev(9), netdev_has_upper_dev_all_rcu(9), netdev_has_any_upper_dev(9), netdev_master_upper_dev_get(9), netdev_has_any_lower_dev(9), netdev_upper_get_next_dev_rcu(9), netdev_lower_get_next_private(9), netdev_lower_get_next_private_rcu(9), netdev_lower_get_next(9), netdev_lower_get_first_private_rcu(9), netdev_master_upper_dev_get_rcu(9), netdev_upper_dev_link(9), netdev_master_upper_dev_link(9), netdev_upper_dev_unlink(9), netdev_bonding_info_change(9), netdev_get_xmit_slave(9), netdev_sk_get_lowest_dev(9), netdev_lower_state_changed(9), netif_get_flags(9), netif_set_mtu_ext(9), netif_pre_changeaddr_notify(9), dev_get_phys_port_id(9), dev_get_phys_port_name(9), netif_get_port_parent_id(9), netdev_port_same_parent_id(9), netdev_change_proto_down_reason_locked(9), dev_change_xdp_fd(9), dev_index_reserve(9), netdev_update_features(9), netdev_change_features(9), netif_stacked_transfer_operstate(9), register_netdevice(9), register_netdev(9), netdev_wait_allrefs_any(9), dev_get_stats(9), dev_fetch_sw_netstats(9), dev_get_tstats64(9), netdev_sw_irq_coalesce_default_on(9), alloc_netdev_mqs(9), free_netdev(9), alloc_netdev_dummy(9), synchronize_net(9), unregister_netdevice_queue(9), unregister_netdevice_many(9), unregister_netdev(9), netdev_increment_features(9), netdev_compute_master_upper_features(9), netdev_drivername(9).

okay that’s the whole page, bestie 💖 — source: ./net/core; manual/version: Kernel API Manual; date: October 2026. bye 👋🎀