i40e_get_pf_count(9)

💅 i40e_get_pf_count(9) — from the Kernel API Manual, bestie ✨

okay so we're in the kernel API manual today and the star of the show is i40e_get_pf_count — yes the (9) means it's a kernel-internal function page, iykyk 🫶

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🌸 NAME 🌸

i40e_get_pf_count — literally just: get the PCI PF count. that's the whole vibe. 🎀

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⭐ SYNOPSIS ⭐

u32 i40e_get_pf_count (struct i40e_hw *hw );

returns a u32, takes one pointer, no cap. slay.

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🦋 ARGUMENTS 🦋

• hw — pointer to a hw. yep. that's it. just a pointer to a struct i40e_hw, hand it over and let the function cook 💅

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✨ DESCRIPTION ✨

so what does it actually do? it reports the function number of the highest PCI physical function plus 1 — key detail, don't forget the plus one bestie 😭 — exactly as it is loaded from the NVM. that's the whole story. no plot twists, no side quests, it just reads it off the NVM and tells you. iconic honestly 🌈

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👑 RETURN 👑

returns the PCI PF count. that's the return value. periodt. 🔥

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💖 SEE ALSO 💖

kernel file right here in all its glory:

./drivers/net/ethernet/intel/i40e/i40e.h

and the whole friend group, in order, no one left out 🫶:

• __i40e_pf_next_vsi(9)
• __i40e_pf_next_veb(9)
• i40e_addr_to_hkey(9)
• i40e_info_nvm_ver(9)
• i40e_info_eetrack(9)
• i40e_info_civd_ver(9)
• i40e_nvm_version_str(9)
• i40e_netdev_to_pf(9)
• i40e_get_fd_cnt_all(9)
• i40e_read_fd_input_set(9)
• i40e_write_fd_input_set(9)
• i40e_find_vsi_by_type(9)
• i40e_irq_dynamic_enable(9)
• i40e_is_tc_mqprio_enabled(9)
• i40e_hw_to_pf(9)
• i40e_pf_get_vsi_by_seid(9)
• i40e_pf_get_main_vsi(9)
• i40e_pf_get_veb_by_seid(9)
• i40e_pf_get_main_veb(9)

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ngl this page is short and sweet and that's exactly why we love her 💜 go read the neighbours if you want the lore.

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and that's the whole page bestie!! 🎀 sourced from ./drivers/net/ethernet/intel/i40e, dated October 2026 — mwah, go forth and count your PFs 💅✨🍓