iavf_fill_fdir_tcp_hdr(9)

💖 NAME 💖

okay so bestie, gather round — this is the iavf_fill_fdir_tcp_hdr(9) page from the Kernel API Manual, and it's literally about one job: fill the TCP protocol header. that's it. that's the whole vibe. ✨

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🦋 SYNOPSIS 🦋

int iavf_fill_fdir_tcp_hdr (struct iavf_fdir_fltr *fltr , struct
virtchnl_proto_hdrs *proto_hdrs );

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🎀 ARGUMENTS 🎀

• fltr — the Flow Director filter data structure 🫶 this is the filter bestie, the whole point
• proto_hdrs — the Flow Director protocol headers data structure 🌸 the headers live here

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⭐ DESCRIPTION ⭐

returns 0 if the TCP protocol header is set successfully. that's the tea ☕ no cap, that's what it does — sets that TCP protocol header and gives you a 0 when it goes through 💅

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🔥 SEE ALSO 🔥

first up, the actual source, go touch grass in the kernel tree:

• Kernel file ./drivers/net/ethernet/intel/iavf/iavf_fdir.c

and now the whole friend group 🫂 — every single one of these, in order, because we don't skip anyone in this house:

• iavf_validate_fdir_fltr_masks(9)
• iavf_pkt_udp_no_pay_len(9)
• iavf_fill_fdir_gtpu_hdr(9)
• iavf_fill_fdir_pfcp_hdr(9)
• iavf_fill_fdir_nat_t_esp_hdr(9)
• iavf_fill_fdir_udp_flex_pay_hdr(9)
• iavf_fill_fdir_ip4_hdr(9)
• iavf_fill_fdir_ip6_hdr(9)
• iavf_fill_fdir_udp_hdr(9)
• iavf_fill_fdir_sctp_hdr(9)
• iavf_fill_fdir_ah_hdr(9)
• iavf_fill_fdir_esp_hdr(9)
• iavf_fill_fdir_l4_hdr(9)
• iavf_fill_fdir_eth_hdr(9)
• iavf_fill_fdir_add_msg(9)
• iavf_fdir_flow_proto_name(9)
• iavf_print_fdir_fltr(9)
• iavf_fdir_is_dup_fltr(9)
• iavf_find_fdir_fltr(9)
• iavf_fdir_add_fltr(9)
• iavf_fdir_del_fltr(9)

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💀 reminder bestie: this page ships out of ./drivers/net/ethernet/intel/iavf, dated October 2026. that's the source path and the date, both accounted for, we leave nothing behind 🧚

and that's the page!! slay 💖✨🎀🦋🌸