ixgbevf_setup_rx_resources(9)

🦋 ixgbevf_setup_rx_resources — the Kernel API Manual glow-up ✨

Okay bestie, so this one lives in the Kernel API Manual (section 9, iykyk) and it's literally the function that gets your receive side its descriptors. It's called ixgbevf_setup_rx_resources and it's giving "allocator era" — no cap.

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✨ NAME ✨

ixgbevf_setup_rx_resources — allocate Rx resources (Descriptors). That's it, that's the whole vibe: we're setting up the receive side and handing it the memory it needs. 💖

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🌸 SYNOPSIS 🌸

int ixgbevf_setup_rx_resources (struct ixgbevf_adapter *adapter , struct
       ixgbevf_ring *rx_ring );

Two args, one int coming back at you. Iconic signature, zero notes. 🎀

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💅 ARGUMENTS 💅

• adapter — the board private structure. Like, the whole adapter's personal biz. 🫶
• rx_ring — the Rx descriptor ring (for a specific queue) to setup. Yep, a specific queue — one ring at a time, bestie, we're not doing all of them here. 🌈

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🔥 DESCRIPTION 🔥

So here's the tea: it returns 0 on success, and a negative value on failure. That's the entire contract. Negative = it did not slay, check your return value fr fr. 💀

Lowkey the simplest manpage ever and I respect it. Success 0, failure negative, no in-between, no drama. ⭐

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👑 SEE ALSO 👑

Kernel file ./drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c — that's where the source lives, go look, it's right there. 🧚

And now, the friend group. The whole entire friend group. Buckle up buttercup, because this list is LONG and I'm not skipping a single one:

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_all_rx_resources(9), ixgbevf_free_rx_resources(9), ixgbevf_free_all_rx_resources(9), ixgbevf_open(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)

Seventy-something entries and every single one made the cut — I said what I said. 💜

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Okay bye bestie!! This page is from the source/version ./drivers/net/ethernet/intel/i... and it's dated October 2026 — so mark your calendars, screenshot it, whatever, and go allocate those descriptors responsibly. 🦋✨💖