e1000_io_resume(9)

🌸 e1000_io_resume (9) — Kernel API Manual 🌸

okay bestie, sit down, we're reading a kernel API page together and honestly? it's a short one. this is e1000_io_resume(9) from the Kernel API Manual, and it's giving "small function, big responsibility" energy. 💅

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✨ NAME ✨

e1000_io_resume — literally the callback that fires when traffic can start flowing again. the comeback arc. 🦋

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🎀 SYNOPSIS 🎀

void e1000_io_resume (struct pci_dev *pdev );

like, that's it. one argument, void return, no drama. ✨

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💖 ARGUMENTS 💖

• pdev — Pointer to PCI device. that's your device bestie, right there. 🫶

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🔥 DESCRIPTION 🔥

so here's the tea, no cap: this callback gets called when the error recovery driver tells us that it's OK to resume normal operation. that's the whole vibe — the driver downstairs going "we good, you can go back out there." 💀➡️👑

and the implementation? it resembles the second-half of the e1000e_pm_resume routine. not the whole thing, just the second half. the sequel. the part two. iykyk. 🌈

fr fr this is just a description of what the callback is for — nothing here about return values, because there aren't any. it's void. it's literally built different. ⭐

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👑 SEE ALSO 👑

before we get into it: the kernel file to go look at is ./drivers/net/ethernet/intel/e1000e/netdev.c. that's the source of truth, bestie. the main character file. 🧚

and now the friend group — the whole entire extended cast, in order, exactly as the page lists them:

__ew32_prepare(9), e1000_regdump(9), e1000e_dump(9), e1000_desc_unused(9), e1000e_systim_to_hwtstamp(9), e1000e_rx_hwtstamp(9), e1000_receive_skb(9), e1000_rx_checksum(9), e1000_alloc_rx_buffers(9), e1000_alloc_rx_buffers_ps(9)

e1000_alloc_jumbo_rx_buffers(9), e1000_clean_rx_irq(9), e1000e_tx_hwtstamp_work(9), e1000_clean_tx_irq(9), e1000_clean_rx_irq_ps(9), e1000_clean_jumbo_rx_irq(9), e1000_clean_rx_ring(9), e1000_intr_msi(9), e1000_intr(9), e1000_configure_msix(9)

e1000e_set_interrupt_capability(9), e1000_request_msix(9), e1000_request_irq(9), e1000_irq_disable(9), e1000_irq_enable(9), e1000e_get_hw_control(9), e1000e_release_hw_control(9), e1000_alloc_ring_dma(9), e1000e_setup_tx_resources(9), e1000e_setup_rx_resources(9)

e1000_clean_tx_ring(9), e1000e_free_tx_resources(9), e1000e_free_rx_resources(9), e1000_update_itr(9), e1000e_write_itr(9), e1000_alloc_queues(9), e1000e_poll(9), e1000e_vlan_filter_disable(9), e1000e_vlan_filter_enable(9), e1000e_vlan_strip_disable(9)

e1000e_vlan_strip_enable(9), e1000_configure_tx(9), e1000_setup_rctl(9), e1000_configure_rx(9), e1000e_write_mc_addr_list(9), e1000e_write_uc_addr_list(9), e1000e_set_rx_mode(9), e1000e_get_base_timinca(9), e1000e_config_hwtstamp(9), e1000_configure(9)

e1000e_power_up_phy(9), e1000_power_down_phy(9), e1000_flush_tx_ring(9), e1000_flush_rx_ring(9), e1000_flush_desc_rings(9), e1000e_systim_reset(9), e1000e_reset(9), e1000e_trigger_lsc(9), e1000e_down(9), e1000e_sanitize_systim(9)

e1000e_read_systim(9), e1000e_cyclecounter_read(9), e1000_sw_init(9), e1000_intr_msi_test(9), e1000_test_msi_interrupt(9), e1000_test_msi(9), e1000e_open(9), e1000e_close(9), e1000_set_mac(9), e1000e_update_phy_task(9)

e1000_update_phy_info(9), e1000e_update_phy_stats(9), e1000e_update_stats(9), e1000_phy_read_status(9), e1000_watchdog(9), e1000_tx_timeout(9), e1000e_get_stats64(9), e1000_change_mtu(9), e1000e_hwtstamp_set(9), __e1000e_disable_aspm(9)

e1000e_disable_aspm(9), e1000e_disable_aspm_locked(9), e1000_netpoll(9), e1000_io_error_detected(9), e1000_io_slot_reset(9), e1000_probe(9), e1000_remove(9), e1000_init_module(9), e1000_exit_module(9)

that's the whole group chat, nobody left on read. 🫶💜

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and that's the page, bestie! source/version for this one is ./drivers/net/ethernet/intel/e... and it's dated October 2026 — so yeah, mark your calendar, the resume callback is eternal. 🎀✨ slay, and happy error recovery. 💅