ixgbe_handle_mdd_event(9)
π ixgbe_handle_mdd_event β handle mdd event π
okay bestie, so this one lives in the Kernel API Manual (yup, section 9, kernel internals, we're in the big leagues now) and it's literally the function that catches a bad-vibes VF doing bad-vibes things. let's get into it β¨
πΈ NAME πΈ
ixgbe_handle_mdd_event β handle mdd event
like, that's the whole name, that's the whole job. mdd event handling. iconic behaviour, no notes π
π¦ SYNOPSIS π¦
void ixgbe_handle_mdd_event (struct ixgbe_adapter *adapter , struct
ixgbe_ring *tx_ring );
so it takes two pointers and hands you back nothing β it's a void function, she does the work and dips, no return value, no receipts π«Ά
π ARGUMENTS π
adapterβ thestruct ixgbe_adaptersituation, aka the structure containing ring specific data. this is the main character of the whole driver bestie πtx_ringβ thetx_ringdescriptor ring to handle. thestruct ixgbe_ring *that needs the attention π
π₯ DESCRIPTION π₯
okay so real talk: this function Resets the VF driver if a malicious VF is detected, or if an illegal packet is detected in any queue. that's it, that's the whole plot π
like, something sus is going down β either a VF is acting malicious or some packet is out here being illegal in a queue it has no business being in β and this function responds by resetting the VF driver. no negotiation, no second chances, just reset. periodt π
ngl, "malicious vf" and "illegal packet" are both extremely serious situations, so this function existing at all is lowkey a vibe check for your hardware π
β SEE ALSO β
the kernel file this bad boy lives in, fr fr:
./drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
and now the friend group, because this function rolls deep π«Ά (every single one, we're not skipping anybody, bestie):
ixgbe_pcie_from_parent(9),ixgbe_read_reg(9),ixgbe_set_ivar(9),ixgbe_get_vf_idx(9),ixgbe_tx_timeout_reset(9),ixgbe_tx_maxrate(9),ixgbe_update_tx_ring_stats(9),ixgbe_update_rx_ring_stats(9),ixgbe_pf_handle_tx_hang(9),ixgbe_vf_handle_tx_hang(9)ixgbe_check_illegal_queue(9),ixgbe_clean_tx_irq(9),ixgbe_rx_is_fcoe(9),ixgbe_rx_checksum(9),ixgbe_alloc_rx_buffers(9),ixgbe_process_skb_fields(9),ixgbe_is_non_eop(9),ixgbe_pull_tail(9),ixgbe_dma_sync_frag(9),ixgbe_cleanup_headers(9)ixgbe_reuse_rx_page(9),ixgbe_add_rx_frag(9),ixgbe_clean_rx_irq(9),ixgbe_configure_msix(9),ixgbe_update_itr(9),ixgbe_write_eitr(9),ixgbe_check_overtemp_subtask(9),ixgbe_check_phy_fw_load(9),ixgbe_check_module_power(9),ixgbe_check_link_cfg_err(9)ixgbe_process_link_status_event(9),ixgbe_handle_link_status_event(9),ixgbe_schedule_fw_event(9),ixgbe_aci_event_cleanup(9),ixgbe_handle_fw_event(9),ixgbe_irq_enable(9),ixgbe_poll(9),ixgbe_request_msix_irqs(9),ixgbe_intr(9),ixgbe_request_irq(9)ixgbe_irq_disable(9),ixgbe_configure_msi_and_legacy(9),ixgbe_configure_tx_ring(9),ixgbe_configure_tx(9),ixgbe_rss_indir_tbl_entries(9),ixgbe_store_key(9),ixgbe_init_rss_key(9),ixgbe_store_reta(9),ixgbe_store_vfreta(9),ixgbe_configure_rscctl(9)ixgbe_configure_rx(9),ixgbe_vlan_strip_disable(9),ixgbe_vlan_strip_enable(9),ixgbe_write_mc_addr_list(9),ixgbe_set_rx_mode(9),ixgbe_configure_dcb(9),ixgbe_hpbthresh(9),ixgbe_lpbthresh(9),ixgbe_clean_rx_ring(9),ixgbe_enable_link_status_events(9)ixgbe_disable_link_status_events(9),ixgbe_sfp_link_config(9),ixgbe_non_sfp_link_config(9),ixgbe_check_media_subtask(9),ixgbe_clear_vf_stats_counters(9),ixgbe_clean_tx_ring(9),ixgbe_clean_all_rx_rings(9),ixgbe_clean_all_tx_rings(9),ixgbe_set_eee_capable(9),ixgbe_tx_timeout(9)ixgbe_sw_init(9),ixgbe_setup_tx_resources(9),ixgbe_setup_all_tx_resources(9),ixgbe_setup_rx_resources(9),ixgbe_setup_all_rx_resources(9),ixgbe_free_tx_resources(9),ixgbe_free_all_tx_resources(9),ixgbe_free_rx_resources(9),ixgbe_free_all_rx_resources(9),ixgbe_max_xdp_frame_size(9)ixgbe_change_mtu(9),ixgbe_open(9),ixgbe_close(9),ixgbe_update_stats(9),ixgbe_fdir_reinit_subtask(9),ixgbe_check_hang_subtask(9),ixgbe_watchdog_update_link(9),ixgbe_watchdog_link_is_up(9),ixgbe_watchdog_link_is_down(9),ixgbe_watchdog_flush_tx(9)ixgbe_watchdog_subtask(9),ixgbe_sfp_detection_subtask(9),ixgbe_sfp_link_config_subtask(9),ixgbe_service_timer(9),ixgbe_check_fw_error(9),ixgbe_service_task(9),ixgbe_set_mac(9),ixgbe_add_sanmac_netdev(9),ixgbe_del_sanmac_netdev(9),ixgbe_validate_rtr(9)ixgbe_set_prio_tc_map(9),ixgbe_setup_tc(9),ixgbe_configure_bridge_mode(9),ixgbe_irq_disable_single(9),ixgbe_txrx_ring_disable(9),ixgbe_txrx_ring_enable(9),ixgbe_enumerate_functions(9),ixgbe_wol_supported(9),ixgbe_set_fw_version_e610(9),ixgbe_set_fw_version(9)ixgbe_recovery_probe(9),ixgbe_probe(9),ixgbe_remove(9),ixgbe_io_error_detected(9),ixgbe_io_slot_reset(9),ixgbe_io_resume(9),ixgbe_init_module(9),ixgbe_exit_module(9)
likeβ¦ that's the whole extended universe, bestie, and every single one is linked up so you can go read them yourself. iykyk π
and that's the tea β this little page came from Kernel API Manual, source ./drivers/net/ethernet/intel/i..., dated October 2026 β go off, ixgbe, we love you πβ¨π
π¦ where this page comes from
- nixpkgs unstable: linux-manual 7.3.1
- π girlified by deepseek-ai/DeepSeek-V4.1-Flash-1017 on : a language model's rewrite of the original, under its terms