iavf_select_rx_desc_format(9)

💖 iavf_select_rx_desc_format — the Kernel API Manual glow-up 💖

okay so bestie, we're in the Kernel API Manual today (yes it's giving "9" like section nine, we're fancy), and this page is literally about one tiny function that picks a vibe for your Rx descriptors. it's short, it's sweet, and then the SEE ALSO section shows up with like a hundred friends. iconic behavior. 💅

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✨ NAME ✨

iavf_select_rx_desc_format — literally just "Select Rx descriptor format" 🎀

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🌸 SYNOPSIS 🌸

u8 iavf_select_rx_desc_format (const struct iavf_adapter *adapter );

yes queen, it returns a u8 and takes exactly one thing. no cap.

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🦋 ARGUMENTS 🦋

• adapter — the adapter private structure 🫶 that's it. that's the whole argument list. she's low maintenance.

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🧚 DESCRIPTION 🧚

okay so here's the tea 🍓: this function selects what Rx descriptor format to use, and it decides that based on two things — availability and enabled features. that's the whole plot. no dramatic subplot, no secret third thing. availability? checked. features that are enabled? checked. pick the format, bestie, periodt. ✨

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👑 RETURN 👑

it hands back the desired RXDID to select for a given Rx queue 💖 — as defined by enum virtchnl_rxdid_format. so when you get your return value, that's your RXDID, and iykyk that the enum is the blueprint. 🌈

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🔥 SEE ALSO 🔥

first up, the source file where this whole situation lives 👀 :

• Kernel file ./drivers/net/ethernet/intel/iavf/iavf_main.c

and now… the group chat. 🫶 literally everyone else in the iavf family showed up to the function party, in exactly this order, and not me listing all of them exactly as written, fr fr:

iavf_pdev_to_adapter(9), iavf_is_reset_in_progress(9),
iavf_allocate_dma_mem_d(9), iavf_free_dma_mem(9),
iavf_allocate_virt_mem(9), iavf_free_virt_mem(9),
iavf_schedule_reset(9), iavf_schedule_aq_request(9), iavf_tx_timeout(9),
iavf_misc_irq_disable(9), iavf_misc_irq_enable(9), iavf_irq_disable(9),
iavf_irq_enable_queues(9), iavf_irq_enable(9), iavf_msix_aq(9),
iavf_msix_clean_rings(9), iavf_map_vector_to_rxq(9),
iavf_map_vector_to_txq(9), iavf_map_rings_to_vectors(9),
iavf_request_traffic_irqs(9), iavf_request_misc_irq(9),
iavf_free_traffic_irqs(9), iavf_free_misc_irq(9), iavf_configure_tx(9),
iavf_configure_rx(9), iavf_find_vlan(9), iavf_add_vlan(9),
iavf_del_vlan(9), iavf_get_num_vlans_added(9),
iavf_get_max_vlans_allowed(9), iavf_max_vlans_added(9),
iavf_vlan_rx_add_vid(9), iavf_vlan_rx_kill_vid(9), iavf_find_filter(9),
iavf_add_filter(9), iavf_replace_primary_mac(9),
iavf_is_mac_set_handled(9), iavf_mac_change_done(9),
iavf_set_mac_sync(9), iavf_set_mac(9), iavf_addr_sync(9),
iavf_addr_unsync(9), iavf_promiscuous_mode_changed(9),
iavf_set_rx_mode(9), iavf_napi_enable_all(9), iavf_napi_disable_all(9),
iavf_configure(9), iavf_up_complete(9), iavf_clear_mac_filters(9),
iavf_clear_cloud_filters(9), iavf_clear_fdir_filters(9),
iavf_clear_adv_rss_conf(9), iavf_down(9), iavf_acquire_msix_vectors(9),
iavf_free_queues(9), iavf_set_queue_vlan_tag_loc(9),
iavf_alloc_queues(9), iavf_set_interrupt_capability(9),
iavf_config_rss_aq(9), iavf_config_rss_reg(9), iavf_config_rss(9),
iavf_fill_rss_lut(9), iavf_init_rss(9), iavf_alloc_q_vectors(9),
iavf_free_q_vectors(9), iavf_reset_interrupt_capability(9),
iavf_init_interrupt_scheme(9), iavf_free_interrupt_scheme(9),
iavf_free_rss(9), iavf_reinit_interrupt_scheme(9),
iavf_finish_config(9), iavf_schedule_finish_config(9),
iavf_process_aq_command(9), iavf_set_vlan_offload_features(9),
iavf_startup(9), iavf_init_version_check(9),
iavf_parse_vf_resource_msg(9), iavf_init_get_resources(9),
iavf_init_send_offload_vlan_v2_caps(9),
iavf_init_recv_offload_vlan_v2_caps(9),
iavf_init_send_supported_rxdids(9), iavf_init_recv_supported_rxdids(9),
iavf_init_send_ptp_caps(9), iavf_init_recv_ptp_caps(9),
iavf_init_process_extended_caps(9), iavf_init_config_adapter(9),
iavf_disable_vf(9), iavf_reconfig_qs_bw(9), iavf_reset_step(9),
iavf_adminq_task(9), iavf_free_all_tx_resources(9),
iavf_setup_all_tx_resources(9), iavf_setup_all_rx_resources(9),
iavf_free_all_rx_resources(9), iavf_validate_tx_bandwidth(9),
iavf_validate_ch_config(9), iavf_del_all_cloud_filters(9),
iavf_is_tc_config_same(9), __iavf_setup_tc(9), iavf_parse_cls_flower(9),
iavf_handle_tclass(9), iavf_find_cf(9), iavf_configure_clsflower(9),
iavf_delete_clsflower(9), iavf_setup_tc_cls_flower(9),
iavf_add_cls_u32(9), iavf_del_cls_u32(9), iavf_setup_tc_cls_u32(9),
iavf_setup_tc_block_cb(9), iavf_setup_tc(9),
iavf_restore_fdir_filters(9), iavf_open(9), iavf_close(9),
iavf_change_mtu(9), iavf_disable_fdir(9), iavf_set_features(9),
iavf_features_check(9), iavf_get_netdev_vlan_hw_features(9),
iavf_get_netdev_vlan_features(9), iavf_fix_netdev_vlan_features(9),
iavf_fix_strip_features(9), iavf_fix_features(9),
iavf_check_reset_complete(9), iavf_process_config(9), iavf_probe(9),
iavf_suspend(9), iavf_resume(9), iavf_remove(9), iavf_shutdown(9),
iavf_init_module(9), iavf_exit_module(9)

like… that's the whole extended friend group 💀 every single one of them made it onto the list and we love that for them. no gatekeeping here. 🌸

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ok that's the page!! short function, huge social circle, zero regrets. 💜

and finally, the cute little sign-off so you know where this came from: this page is brought to you by ./drivers/net/ethernet/intel/iavf — October 2026 edition, and it is, of course, iavf_select_rx_desc_format(9) herself. slay, bye bestie! 🎀✨🦋