iavf_restore_fdir_filters(9)

💖 iavf_restore_fdir_filters(9) 💖

okay so bestie, welcome to the Kernel API Manual — this one's a <pink>iavf</pink> girlie, and she's here to get your Flow Director filters back on their feet 🎀 (yes, the manual name is the whole vibe here, we're living in section 9, kernel API territory, iykyk ✨)

---

✨ NAME ✨

iavf_restore_fdir_filters —

and that's literally it, no cap 😭 the original page just… ends the line there. No little tagline, nothing after the dash. Iconic behaviour honestly, leaving us on read like that 💀

---

🌸 SYNOPSIS 🌸

void iavf_restore_fdir_filters (struct iavf_adapter *adapter );

she's a void, she takes one pointer, she does not return a thing back to you. lowkey the main character energy of function signatures 🫶

---

🦋 ARGUMENTS 🦋

• adapter — the board's private structure. that's the one (and only) thing you hand her 👑

---

⭐ DESCRIPTION ⭐

so here's the whole deal, bestie: this function restores the existing FDIR filters when the VF netdev comes back up 💅 that's it, that's the mission. FDIR filters had a little nap, netdev came back up, and she's the one who tucks them all back in. slay 🌈

---

🔥 SEE ALSO 🔥

the kernel file that started it all:

./drivers/net/ethernet/intel/iavf/iavf_main.c

and now… the friend group 😭 the entire iavf cast, fr fr, in the order the page gave them:

• 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_select_rx_desc_format(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_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 friend group chat right there, and every single one of them got an invite 🫶 no one left on seen.

---

ngl bestie there's no caveat, no warning, no bug note on this page — she's a clean, straightforward little function and we respect that 💅

---

🌈 and that's the tea! this page lives under ./drivers/net/ethernet/intel/iavf, dated October 2026, and it's all about section 9 — the kernel API section, periodt. mwah, go restore those filters, queen 👑💖