e1000e_read_systim(9)

🎀 e1000e_read_systim — the Kernel API Manual, section 9, bestie 💅

okay so real talk, we're in the Kernel API Manual (section 9, the fun one) and the star of the show is e1000e_read_systim. say it with me: e-one-thousand-e read systim. iconic name, honestly.

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✨ NAME ✨

e1000e_read_systim — reads the SYSTIM register. that's it, that's the whole vibe 🫶

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🌸 SYNOPSIS 🌸

u64 e1000e_read_systim (struct e1000_adapter *adapter , struct
       ptp_system_timestamp *sts );

so it hands you back a u64, and it takes exactly two things: your adapter and your sts. no cap, that's the whole signature, don't come for me 💖

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🦋 ARGUMENTS 🦋

• adapter — the board private structure. yes bestie, the whole board's personal business lives in here 🌈
• sts — the structure that will contain the system time before and after reading SYSTIML. plot twist: it may be NULL. so like, it's optional, but if you pass it, it's getting timestamps before AND after. fancy 💅

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👑 SEE ALSO 👑

okay this list is long long, but every single one of these is invited to the party, so we're listing them all. no skipping, periodt 🔥

the kernel file:

• Kernel file ./drivers/net/ethernet/intel/e1000e/netdev.c

and the whole friend group (iykyk):

__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_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_io_resume(9), e1000_probe(9), e1000_remove(9), e1000_init_module(9), e1000_exit_module(9)

like I said. long long. but every single one made the list, so we respect them 💜

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and that's the page, bestie!! 🧚 this little gem lives in ./drivers/net/ethernet/intel/e... (that's the path as it's printed down in the footer, truncated and all, we don't fix what isn't broken 💀), dated October 2026, and yeah the footer repeats e1000e_read_systim(9) because it always does. slay, go read your SYSTIM register responsibly ✨💖🎀