idpf_rx_desc_alloc(9)
π idpf_rx_desc_alloc π
okay so this is a page from the kernel API manual, section 9 β yes, the big serious kernel docs, but we're gonna get through it together bestie, i promise π«Ά
β¨ NAME β¨
idpf_rx_desc_alloc β the girl whose whole entire job is allocating queue Rx resources π
like she's setting up the venue before the party, no cap.
π SYNOPSIS π
int idpf_rx_desc_alloc (const struct idpf_vport *vport , struct
idpf_rx_queue *rxq );
that's the whole signature, character for character, don't come for me π₯
πΈ ARGUMENTS πΈ
vportβ the vport you're allocating resources for π«Ά she's the one getting the glow-up.rxqβ the Rx queue whose resources are getting set up π literally the specific queue we're doing all this for.
π₯ RETURN π₯
0on success β slay, we ate π- negative on failure β not slay, and it's giving "something went wrong" π
π¦ SEE ALSO π¦
the kernel file lives right here, iconic location:
./drivers/net/ethernet/intel/idpf/idpf_txrx.c
and nowβ¦ the friend group. the whole entire friend group. every single one, in order, no skips, no cap π
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_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_num_q_desc(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)
likeβ¦ that's a lot of siblings and every single one of them is invited π
that's the whole page bestie, you understood it, i'm so proud of you π§ββοΈ and for the record this cutie came out of the ./drivers/net/ethernet/intel/idpf directory, dated October 2026 β write that down, it's on the exam ππ
mwah π go read the next one, you're literally doing amazing
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