iavf_process_skb_fields(9)

πŸ“¦ version 7.3.1, in nixpkgs unstable

πŸ’… iavf_process_skb_fields(9) β€” the kernel API manual, but make it make sense πŸŽ€

ok so this is a page from the Kernel API Manual (yes, the iavf_process_skb_fields(9) one, you're in the right place bestie ✨), and honestly? It's giving "tiny function, big job." Let's get into it πŸ¦‹


✨ NAME ✨

iavf_process_skb_fields β€” populates the skb header fields from the Rx descriptor, no cap πŸ’–


🌸 SYNOPSIS 🌸

void iavf_process_skb_fields (const struct iavf_ring *rx_ring , const
       struct iavf_rx_desc *rx_desc , struct sk_buff *skb , u32 ptype , bool
       flex );

like... five arguments, void return, zero drama. we love a clean signature 🫢


πŸŽ€ ARGUMENTS πŸŽ€

  • rx_ring β€” the rx descriptor ring that this packet is being transacted on. it's the whole vibe, the context, the home base 🏠
  • rx_desc β€” pointer to the EOP Rx descriptor. that's End Of Packet, iykyk πŸ‘‘
  • skb β€” pointer to the current skb being populated. this is the main character, we're filling it in πŸ’…
  • ptype β€” the packet type decoded by hardware. hardware already did the homework, we're just using it πŸ“
  • flex β€” is the descriptor flex or legacy? bool, so it's a yes/no, not a whole essay πŸ™ˆ

πŸ’œ DESCRIPTION πŸ’œ

ok so picture this: this function checks the ring, the descriptor, and the packet information, and then it populates all the fun fields inside the skb β€” the hash, the checksum, the VLAN, the protocol, and other fields too. it's literally the glow-up pass for your skb, going field by field until everything's cute and correct ✨πŸ”₯

no guessing, no shortcuts β€” it looks at what it's got and fills in what it can 🧚


πŸ¦‹ SEE ALSO πŸ¦‹

also the kernel file lives here: ./drivers/net/ethernet/intel/iavf/iavf_txrx.c πŸ“

and the whole friend group shows up:

iavf_is_descriptor_done(9), iavf_unmap_and_free_tx_resource(9), iavf_clean_tx_ring(9), iavf_free_tx_resources(9), iavf_get_tx_pending(9), iavf_force_wb(9), iavf_detect_recover_hung(9), iavf_clean_tx_irq(9), iavf_enable_wb_on_itr(9), iavf_update_itr(9), iavf_setup_tx_descriptors(9), iavf_clean_rx_ring(9), iavf_free_rx_resources(9), iavf_setup_rx_descriptors(9), iavf_release_rx_desc(9), iavf_receive_skb(9), iavf_alloc_rx_buffers(9), iavf_rx_csum(9), iavf_legacy_rx_csum(9), iavf_flex_rx_csum(9), iavf_legacy_rx_hash(9), iavf_flex_rx_hash(9), iavf_flex_rx_tstamp(9), iavf_cleanup_headers(9), iavf_add_rx_frag(9), iavf_build_skb(9), iavf_is_non_eop(9), iavf_extract_legacy_rx_fields(9), iavf_extract_flex_rx_fields(9), iavf_clean_rx_irq(9), iavf_update_enable_itr(9), iavf_napi_poll(9), iavf_tx_prepare_vlan_flags(9), iavf_tso(9), iavf_tx_enable_csum(9), iavf_create_tx_ctx(9), __iavf_chk_linearize(9), __iavf_maybe_stop_tx(9), iavf_tx_map(9), iavf_xmit_frame_ring(9), iavf_xmit_frame(9)


and that's the whole page, bestie 🌈 this one came from ./drivers/net/ethernet/intel/iavf and it's dated October 2026 β€” go off, king πŸ‘‘πŸ’– mwah, bye 🫢

πŸ“¦ where this page comes from