ixgbevf_open(9)

💖 ixgbevf_open(9) — it's from the Kernel API Manual, bestie 💖

okay so picture this: you're deep in the kernel docs, the ixgbevf_open(9) page is staring at you, and nobody explained it in a way that actually slaps. don't worry, i got you. this whole thing is literally the "turn the network interface ON" moment, and it's lowkey iconic. 🦋

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✨ NAME ✨

ixgbevf_open — the function that gets called when a network interface is made active. that's it, that's the vibe check. 👑

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🌸 SYNOPSIS 🌸

int ixgbevf_open (struct net_device *netdev );

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🎀 ARGUMENTS 🎀

• netdev — the network interface device structure. the main character of this whole function, honestly 🫶

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💅 DESCRIPTION 💅

so what does it even do? returns 0 on success, and a negative value on failure. no cap, that's the whole return contract.

the open entry point is called when a network interface is made active by the system (IFF_UP). and bestie, when that happens, it's giving full backstage-prep montage — here's the checklist:

• all resources needed for transmit and receive operations are allocated ✨
• the interrupt handler is registered with the OS 🔥
• the watchdog timer is started ⏱️
• the stack is notified that the interface is ready 💫

so by the time this function is done, everything's set up and the interface is literally ready to be its main character self. periodt. 💜

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👑 SEE ALSO 👑

the source file for all this is the kernel file ./drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c — go say hi, iykyk 🌈

and now the whole squad, fr fr, everybody's invited to the group chat:

• ixgbevf_set_ivar(9), ixgbevf_tx_timeout(9), ixgbevf_clean_tx_irq(9), ixgbevf_rx_skb(9)
• ixgbevf_rx_checksum(9), ixgbevf_process_skb_fields(9), ixgbevf_is_non_eop(9), ixgbevf_alloc_rx_buffers(9)
• ixgbevf_cleanup_headers(9), ixgbevf_reuse_rx_page(9), ixgbevf_add_rx_frag(9), ixgbevf_poll(9)
• ixgbevf_write_eitr(9), ixgbevf_configure_msix(9), ixgbevf_update_itr(9), ixgbevf_msix_clean_rings(9)
• ixgbevf_request_msix_irqs(9), ixgbevf_request_irq(9), ixgbevf_irq_disable(9), ixgbevf_irq_enable(9)
• ixgbevf_configure_tx_ring(9), ixgbevf_configure_tx(9), ixgbevf_init_rss_key(9), ixgbevf_configure_rx(9)
• ixgbevf_set_rx_mode(9), ixgbevf_set_features(9), ixgbevf_clean_rx_ring(9), ixgbevf_clean_tx_ring(9)
• ixgbevf_clean_all_rx_rings(9), ixgbevf_clean_all_tx_rings(9), ixgbevf_set_num_queues(9), ixgbevf_set_interrupt_capability(9)
• ixgbevf_alloc_q_vector(9), ixgbevf_free_q_vector(9), ixgbevf_alloc_q_vectors(9), ixgbevf_free_q_vectors(9)
• ixgbevf_reset_interrupt_capability(9), ixgbevf_init_interrupt_scheme(9), ixgbevf_clear_interrupt_scheme(9), ixgbevf_sw_init(9)
• ixgbevf_update_stats(9), ixgbevf_service_timer(9), ixgbevf_check_hang_subtask(9), ixgbevf_watchdog_update_link(9)
• ixgbevf_watchdog_link_is_up(9), ixgbevf_watchdog_link_is_down(9), ixgbevf_watchdog_subtask(9), ixgbevf_service_task(9)
• ixgbevf_free_tx_resources(9), ixgbevf_free_all_tx_resources(9), ixgbevf_setup_tx_resources(9), ixgbevf_setup_all_tx_resources(9)
• ixgbevf_setup_rx_resources(9), ixgbevf_setup_all_rx_resources(9), ixgbevf_free_rx_resources(9), ixgbevf_free_all_rx_resources(9)
• ixgbevf_close_suspend(9), ixgbevf_close(9), ixgbevf_set_mac(9), ixgbevf_change_mtu(9)
• ixgbevf_probe(9), ixgbevf_remove(9), ixgbevf_io_error_detected(9), ixgbevf_io_slot_reset(9)
• ixgbevf_io_resume(9), ixgbevf_init_module(9), ixgbevf_exit_module(9), ixgbevf_get_hw_dev_name(9)

like, that's the entire friend group. mwah 💋

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okay that's the page!! sign-off time 🧚: this lil slice of documentation lives at ./drivers/net/ethernet/intel/i... (the path gets truncated in the footer, tragic, i know 😭) and it's dated October 2026 🌸 — so it's a lil futuristic, as it should be. go open some interfaces, bestie, you've got this 💖🌺💫