ice_vc_process_vf_msg(9)

💅 ice_vc_process_vf_msg — like, the whole manual page, bestie

okay so this is the <pink>kernel API manual</pink> entry for ice_vc_process_vf_msg, and honestly? she's a baddie with a job to do. sit down, grab a strawberry drink 🍓, and let's get into it.

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✨ NAME ✨

ice_vc_process_vf_msg — process request from VF 🫶

Like literally, that's the whole gig. A VF slides into the PF's DMs with a request, and this function is the one who answers the door. no cap.

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🌸 SYNOPSIS 🌸

void ice_vc_process_vf_msg (struct ice_pf *pf , struct ice_rq_event_info
*event , struct ice_mbx_data *mbxdata );

she returns void, she takes three pointers, she's booked and busy. periodt. 💅

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🎀 ARGUMENTS 🎀

• pf — pointer to the PF structure. this is the main character of the whole operation, iykyk 👑
• event — pointer to the AQ event. the actual message that showed up in the inbox ✨
• mbxdata — information used to detect a VF attempting mailbox overflow 👀 like the bouncer checking if someone's trying to sneak a whole crowd through the door

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🦋 DESCRIPTION 🦋

So here's the vibe: this one gets called from the common asq/arq handler, and its whole thing is processing a request that came from a VF. 🫡

Now the spicy part 🌶️ — when this flow is used for devices that have hardware VF to PF message queue overflow support, aka ICE_F_MBX_LIMIT, then mbxdata is set to NULL and the ice_is_malicious_vf check is skipped. so like, no overflow detective work in that case. the hardware's handling it, she's off the clock for that one. 💀

fr fr, that's the whole behaviour — don't go reading extra lore into it, bestie.

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🔥 SEE ALSO 🔥

the friend group is huge, and every single one of them made the list, so buckle up 🎀:

• Kernel file ./drivers/net/ethernet/intel/ice/virt/virtchnl.c
• ice_vc_vf_broadcast(9), ice_set_pfe_link(9), ice_vc_notify_vf_link_state(9), ice_vc_notify_link_state(9), ice_vc_notify_reset(9), ice_vc_send_msg_to_vf(9), ice_vc_get_ver_msg(9), ice_vc_get_vlan_caps(9), ice_vc_get_vf_res_msg(9), ice_vc_reset_vf_msg(9), ice_vc_isvalid_vsi_id(9), ice_vc_get_qos_caps(9), ice_vc_cfg_promiscuous_mode_msg(9), ice_vc_get_stats_msg(9), ice_can_vf_change_mac(9), ice_vc_ether_addr_type(9), ice_is_vc_addr_legacy(9), ice_is_vc_addr_primary(9), ice_vfhw_mac_add(9), ice_is_mc_lldp_eth_addr(9), ice_vc_can_add_mac(9), ice_vc_add_mac_addr(9), ice_is_legacy_umac_expired(9), ice_update_legacy_cached_mac(9), ice_vfhw_mac_del(9), ice_vc_del_mac_addr(9), ice_vc_handle_mac_addr_msg(9), ice_vc_add_mac_addr_msg(9), ice_vc_del_mac_addr_msg(9), ice_vf_vlan_offload_ena(9), ice_is_vlan_promisc_allowed(9), ice_vf_ena_vlan_promisc(9), ice_vf_dis_vlan_promisc(9), ice_vf_has_max_vlans(9), ice_vc_process_vlan_msg(9), ice_vc_add_vlan_msg(9), ice_vc_remove_vlan_msg(9), ice_vsi_is_rxq_crc_strip_dis(9), ice_vc_ena_vlan_stripping(9), ice_vc_dis_vlan_stripping(9), ice_vc_query_rxdid(9), ice_vf_init_vlan_stripping(9), ice_vf_outer_vlan_not_allowed(9), ice_vc_set_dvm_caps(9), ice_vc_set_svm_caps(9), ice_vc_get_offload_vlan_v2_caps(9), ice_vc_validate_vlan_tpid(9), ice_vc_is_valid_vlan(9), ice_vc_validate_vlan_filter_list(9), ice_vc_to_vlan(9), ice_vc_vlan_action(9), ice_vc_del_vlans(9), ice_vc_remove_vlan_v2_msg(9), ice_vc_add_vlans(9), ice_vc_validate_add_vlan_filter_list(9), ice_vc_add_vlan_v2_msg(9), ice_vc_valid_vlan_setting(9), ice_vc_valid_vlan_setting_msg(9), ice_vc_get_tpid(9), ice_vc_ena_vlan_offload(9), ice_vc_ena_vlan_stripping_v2_msg(9), ice_vc_dis_vlan_stripping_v2_msg(9), ice_vc_ena_vlan_insertion_v2_msg(9), ice_vc_dis_vlan_insertion_v2_msg(9), ice_virtchnl_set_dflt_ops(9), ice_vc_repr_add_mac(9), ice_vc_repr_del_mac(9), ice_virtchnl_set_repr_ops(9), ice_is_malicious_vf(9)

like… it's giving extended family at the reunion 😭 but every single one of them is here, no gatekeeping 💜

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and that's the page!! source is ./drivers/net/ethernet/intel/i..., dated October 2026 — so mark your calendar bestie, she was documented in October 2026 and she ate 🍓✨ mwah 💋