netif_carrier_ok(9)

💖 netif_carrier_ok (9) 💖

okay so before we even start — welcome to the Kernel API Manual, bestie 🎀 this is the page for netif_carrier_ok(9) and it's gonna be quick but iconic, i promise.

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✨ NAME ✨

netif_carrier_ok — test if carrier present

like, it literally just checks the vibe of the cable 🦋

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🌸 SYNOPSIS 🌸

bool netif_carrier_ok (const struct net_device *dev );

yes it returns a bool, yes it takes a const struct net_device * — no cap, that's the whole signature 💅

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🎀 ARGUMENTS 🎀

• dev — network device 🫶 that's it. that's the argument. the network device. the one and only.

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💜 DESCRIPTION 💜

Check if carrier is present on device ✨

that's the assignment, that's the whole mission statement. you hand it a network device, it tells you whether the carrier is present. main character function energy honestly 👑

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🌈 SEE ALSO 🌈

Kernel file ./include/linux/netdevice.h — and like, the entire extended friend group:

• struct gro_node(9)
• napi_is_scheduled(9)
• napi_schedule(9)
• napi_schedule_irqoff(9)
• napi_complete_done(9)
• napi_synchronize(9)
• napi_if_scheduled_mark_missed(9)
• enum netdev_priv_flags(9)
• struct net_device(9)
• netdev_priv(9)
• netdev_from_priv(9)
• netif_napi_add(9)
• netif_napi_add_config(9)
• netif_napi_add_tx(9)
• __netif_napi_del(9)
• netif_napi_del(9)
• netif_start_queue(9)
• netif_wake_queue(9)
• netif_stop_queue(9)
• netif_queue_stopped(9)
• netdev_queue_set_dql_min_limit(9)
• netdev_txq_bql_enqueue_prefetchw(9)
• netdev_txq_bql_complete_prefetchw(9)
• netdev_tx_sent_queue(9)
• netdev_sent_queue(9)
• netdev_tx_completed_queue(9)
• netdev_completed_queue(9)
• netdev_tx_reset_subqueue(9)
• netdev_reset_queue(9)
• netdev_cap_txqueue(9)
• netif_running(9)
• netif_start_subqueue(9)
• netif_stop_subqueue(9)
• __netif_subqueue_stopped(9)
• netif_subqueue_stopped(9)
• netif_wake_subqueue(9)
• netif_attr_test_mask(9)
• netif_attr_test_online(9)
• netif_attrmask_next(9)
• netif_attrmask_next_and(9)
• netif_is_multiqueue(9)
• dev_hold(9)
• dev_put(9)
• linkwatch_sync_dev(9)
• netif_dormant_on(9)
• netif_dormant_off(9)
• netif_dormant(9)
• netif_testing_on(9)
• netif_testing_off(9)
• netif_testing(9)
• netif_oper_up(9)
• netif_device_present(9)
• netif_tx_lock(9)
• __dev_uc_sync(9)
• __dev_uc_unsync(9)
• __dev_mc_sync(9)
• __dev_mc_unsync(9)

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lowkey that SEE ALSO list is a whole friend group chat and every single one of them got an invite 💀 but they're all valid, go say hi.

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mwah 💋 that's the page. sourced from ./include/linux, dated October 2026 — go forth and check ur carriers, bestie, you're gonna slay 🦋✨