idpf_vport_calc_num_q_desc(9)
π NAME π
idpf_vport_calc_num_q_desc β Calculate number of queue groups
okay so bestie, welcome to the Kernel API Manual, and buckle up because this one is a little function with a big job. It's literally the thing that calculates the number of queue groups for a vport. That's it, that's the function. Short and iconic, we love a low-key king πβ¨
π¦ SYNOPSIS π¦
The way that this hands nothing back at all β void, periodt:
void idpf_vport_calc_num_q_desc (struct idpf_vport *vport , struct
idpf_q_vec_rsrc *rsrc );
πΈ ARGUMENTS πΈ
Two args, both kinda important, no cap:
vportβ the vport to calculate q groups for. like, this is the main character here, the whole reason we're doing the math π«Άrsrcβ pointer to queue and vector resources. she holds the goods, we just point at her π
β¨ SEE ALSO β¨
the kernel file it lives in π
./drivers/net/ethernet/intel/idpf/idpf_txrx.c
and likeβ¦ the entire extended friend group π
ngl the crossover list here is huge and every single one of them deserves their moment, so:
idpf_chk_linearize(9)idpf_tx_timeout(9)idpf_tx_buf_rel_all(9)idpf_tx_desc_rel(9)idpf_compl_desc_rel(9)idpf_tx_desc_rel_all(9)idpf_tx_buf_alloc_all(9)idpf_tx_desc_alloc(9)idpf_compl_desc_alloc(9)idpf_tx_desc_alloc_all(9)idpf_rx_page_rel(9)idpf_rx_hdr_buf_rel_all(9)idpf_rx_buf_rel_bufq(9)idpf_rx_buf_rel_all(9)idpf_rx_desc_rel(9)idpf_rx_desc_rel_bufq(9)idpf_rx_desc_rel_all(9)idpf_rx_buf_hw_update(9)idpf_rx_hdr_buf_alloc_all(9)idpf_post_buf_refill(9)idpf_rx_post_buf_desc(9)idpf_rx_post_init_bufs(9)idpf_rx_buf_alloc_singleq(9)idpf_rx_bufs_init_singleq(9)idpf_rx_buf_alloc_all(9)idpf_rx_bufs_init(9)idpf_rx_bufs_init_all(9)idpf_rx_desc_alloc(9)idpf_bufq_desc_alloc(9)idpf_rx_desc_alloc_all(9)idpf_vector_to_queue_set(9)idpf_qp_switch(9)idpf_txq_group_rel(9)idpf_rxq_sw_queue_rel(9)idpf_rxq_group_rel(9)idpf_vport_queue_grp_rel_all(9)idpf_vport_queues_rel(9)idpf_vport_init_fast_path_txqs(9)idpf_vport_init_num_qs(9)idpf_vport_calc_total_qs(9)idpf_vport_calc_num_q_groups(9)idpf_vport_calc_numq_per_grp(9)idpf_rxq_set_descids(9)idpf_txq_group_alloc(9)idpf_rxq_group_alloc(9)idpf_vport_queue_grp_alloc_all(9)idpf_vport_queues_alloc(9)idpf_tx_read_tstamp(9)idpf_tx_splitq_clean(9)idpf_tx_clean_bufs(9)idpf_tx_handle_rs_completion(9)idpf_tx_clean_complq(9)idpf_wait_for_sw_marker_completion(9)idpf_tx_splitq_build_ctb(9)idpf_tx_splitq_build_flow_desc(9)idpf_txq_has_room(9)idpf_tx_maybe_stop_splitq(9)idpf_tx_buf_hw_update(9)idpf_tx_res_count_required(9)idpf_tx_splitq_bump_ntu(9)idpf_tx_get_free_buf_id(9)idpf_tx_splitq_pkt_err_unmap(9)idpf_tx_splitq_map(9)idpf_tso(9)idpf_tx_splitq_get_ctx_desc(9)idpf_tx_drop_skb(9)idpf_tx_tstamp(9)idpf_tx_set_tstamp_desc(9)idpf_tx_splitq_need_re(9)idpf_tx_splitq_frame(9)idpf_tx_start(9)idpf_rx_hash(9)idpf_rx_csum(9)idpf_rx_splitq_extract_csum_bits(9)idpf_rx_rsc(9)idpf_rx_hwtstamp(9)__idpf_rx_process_skb_fields(9)idpf_rx_hsplit_wa(9)idpf_rx_splitq_test_staterr(9)idpf_rx_splitq_is_eop(9)idpf_rx_splitq_clean(9)idpf_rx_update_bufq_desc(9)idpf_rx_clean_refillq(9)idpf_rx_clean_refillq_all(9)idpf_vport_intr_clean_queues(9)idpf_vport_intr_napi_del_all(9)idpf_vport_intr_napi_dis_all(9)idpf_vport_intr_rel(9)idpf_vport_intr_rel_irq(9)idpf_vport_intr_dis_irq_all(9)idpf_vport_intr_buildreg_itr(9)idpf_update_dim_sample(9)idpf_net_dim(9)idpf_vport_intr_update_itr_ena_irq(9)idpf_vport_intr_req_irq(9)idpf_vport_intr_write_itr(9)idpf_vport_intr_ena_irq_all(9)idpf_vport_intr_dis_dim_all(9)idpf_vport_intr_deinit(9)idpf_tx_dim_work(9)idpf_rx_dim_work(9)idpf_init_dim(9)idpf_vport_intr_napi_ena_all(9)idpf_tx_splitq_clean_all(9)idpf_rx_splitq_clean_all(9)idpf_vport_splitq_napi_poll(9)idpf_vport_intr_map_vector_to_qs(9)idpf_vport_intr_init_vec_idx(9)idpf_vport_intr_napi_add_all(9)idpf_vport_intr_alloc(9)idpf_vport_intr_init(9)idpf_config_rss(9)idpf_fill_dflt_rss_lut(9)idpf_init_rss_lut(9)idpf_deinit_rss_lut(9)
bestie this list is giving "everyone showed up to the party" π no gatekeeping, all links included, exactly as shipped.
and that's the whole vibe check π
this page came out of ./drivers/net/ethernet/intel/idpf in October 2026 β go forth, calculate those queue groups, and slay β¨π¦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