e1000_desc_unused(9)

💖 e1000_desc_unused — the kernel API manual, bestie edition 💖

okay so this little cutie lives in the Kernel API Manual (section 9, kernel functions, iykyk) and honestly? it's giving "tiny but essential." her whole job is checking whether we've got unused descriptors hanging around. that's it. that's the vibe. ✨

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🌸 NAME 🌸

e1000_desc_unused — calculate if we have unused descriptors 🎀

like literally, she does the math for you. no cap.

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🦋 SYNOPSIS 🦋

int e1000_desc_unused (struct e1000_ring *ring );

yes bestie, that's the whole signature. she takes one pointer and hands you back an int. clean, simple, iconic. 💅

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🌈 ARGUMENTS 🌈

• ring — pointer to the ring struct you want the calculation performed on. that's the lucky struct. give her a valid one, okay? 🫶

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⭐ SEE ALSO ⭐

okay this is the part where she shows you her whole friend group and honestly it's a lot of friends, but we're listing every single one because we don't do gatekeeping here. 💜

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

__ew32_prepare(9), e1000_regdump(9), e1000e_dump(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_io_resume(9), e1000_probe(9), e1000_remove(9), e1000_init_module(9), e1000_exit_module(9)

that's the whole group chat. she knows everyone. 👑

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lowkey obsessed with how a one-line helper function has this many associates. main character energy by association, fr fr. 🧚

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and that's the page, bestie!! 💖 source file is ./drivers/net/ethernet/intel/e... (she gets truncated in the footer, we don't body-shame), from the Kernel API Manual, dated October 2026, and it's filed under e1000_desc_unused(9) — slay, go read it, periodt. 🎀✨💅