netif_tx_lock(9)

💅 netif_tx_lock — the Kernel API Manual, bestie edition 🎀

okay so real talk, today we're looking at netif_tx_lock(9) from the Kernel API Manual — yes, capital letters, it's that kind of doc. grab a strawberry drink 🍓 and let's go.

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✨ NAME ✨

netif_tx_lock — the function that grabs the network device transmit lock. that's the whole vibe. no cap.

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🌸 SYNOPSIS 🌸

void netif_tx_lock (struct net_device *dev );

yes bestie, that trailing space before the ) is canon, we do not touch it 💅

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🦋 ARGUMENTS 🦋

• dev — the network device. that's it. that's the whole argument. she takes one (1) network device and she's iconic for it 👑

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💖 DESCRIPTION 💖

so what does she do? she gets the network device transmit lock. that's the description. that's literally it. no extra lore, no side quests, no secret second paragraph hiding in the back of the file 🙈

like yes it's short but honestly? she said what she said and she ate 🔥

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🔮 SEE ALSO 🔮

okay this part is the main character of the whole page, because the see-also section is long. like, embarrassingly long. she knows everybody at this party and she's introducing you to all of them one by one. hydrate before you scroll 🧚

• the kernel file ./include/linux/netdevice.h
• 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_carrier_ok(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)
• __dev_uc_sync(9)
• __dev_uc_unsync(9)
• __dev_mc_sync(9)
• __dev_mc_unsync(9)

see? told you. sixty-one little links and every single one of them is getting an invite to the group chat 🫶

ngl, if you're reading this at 4am during a driver debug session, drink some water. the lock will still be there. 💜

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⭐ the sign-off ⭐

this whole episode lives in the ./include/linux directory and the source material is dated October 2026 — yes, the future, she's ahead of her time 💀✨

periodt. that's the page. go forth and lock your transmit. 👑🌈