e1000_open(9)

💅 e1000_open(9)

okay so bestie, welcome to the Kernel API Manual ✨ this is the page for e1000_open, and it's literally the moment your network interface gets its main character moment. let's get into it 🫶

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✨ NAME ✨

e1000_open — called when a network interface is made active 🌸

🎀 SYNOPSIS 🎀

int e1000_open (struct net_device *netdev );

🦋 ARGUMENTS 🦋

• netdev — the network interface device structure 💖

🔥 DESCRIPTION 🔥

So what does it return? Just 0 on success, and a negative value on failure. that's it, that's the vibe check 😌

The open entry point is called when a network interface is made active by the system (IFF_UP). at this point, all the resources needed for transmit and receive operations are allocated, the interrupt handler is registered with the OS, the watchdog task is started, and the stack is notified that the interface is ready 👑

like, it's giving "everything's set up and ready to slay" fr fr 🔥

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🌈 SEE ALSO 🌈

Kernel file ./drivers/net/ethernet/intel/e1000/e1000_main.c — go read it, iykyk 📖

• e1000_get_hw_dev(9)
• e1000_init_module(9)
• e1000_exit_module(9)
• e1000_irq_disable(9)
• e1000_irq_enable(9)
• e1000_configure(9)
• e1000_power_up_phy(9)
• e1000_is_need_ioport(9)
• e1000_init_hw_struct(9)
• e1000_probe(9)
• e1000_remove(9)
• e1000_sw_init(9)
• e1000_alloc_queues(9)
• e1000_close(9)
• e1000_check_64k_bound(9)
• e1000_setup_tx_resources(9)
• e1000_setup_all_tx_resources(9)
• e1000_configure_tx(9)
• e1000_setup_rx_resources(9)
• e1000_setup_all_rx_resources(9)
• e1000_setup_rctl(9)
• e1000_configure_rx(9)
• e1000_free_tx_resources(9)
• e1000_free_all_tx_resources(9)
• e1000_clean_tx_ring(9)
• e1000_clean_all_tx_rings(9)
• e1000_free_rx_resources(9)
• e1000_free_all_rx_resources(9)
• e1000_clean_rx_ring(9)
• e1000_clean_all_rx_rings(9)
• e1000_set_mac(9)
• e1000_set_rx_mode(9)
• e1000_update_phy_info_task(9)
• e1000_82547_tx_fifo_stall_task(9)
• e1000_watchdog(9)
• e1000_update_itr(9)
• e1000_tx_timeout(9)
• e1000_change_mtu(9)
• e1000_update_stats(9)
• e1000_intr(9)
• e1000_clean(9)
• e1000_clean_tx_irq(9)
• e1000_rx_checksum(9)
• e1000_consume_page(9)
• e1000_receive_skb(9)
• e1000_tbi_adjust_stats(9)
• e1000_clean_jumbo_rx_irq(9)
• e1000_clean_rx_irq(9)
• e1000_alloc_jumbo_rx_buffers(9)
• e1000_alloc_rx_buffers(9)
• e1000_smartspeed(9)
• e1000_ioctl(9)
• e1000_mii_ioctl(9)
• e1000_io_error_detected(9)
• e1000_io_slot_reset(9)
• e1000_io_resume(9)

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and that's the whole page, bestie 🎀 this lil drop came from ./drivers/net/ethernet/intel/e... and it's dated October 2026 — and yes, the page itself is e1000_open(9). periodt 💅✨