ixgbe_dcb_config_pfc_82599(9)

💅 ixgbe_dcb_config_pfc_82599 — the Kernel API Manual, but make it make sense

okay so bestie, buckle up ✨ this one lives in the Kernel API Manual (section 9, the function-y one), and it's literally called ixgbe_dcb_config_pfc_82599. say that five times fast, i'll wait 🫶

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✨ NAME ✨

ixgbe_dcb_config_pfc_82599 — Configure priority flow control 🎀

like, the whole ~vibe~ of this function is priority flow control and nothing else. periodt.

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🌸 SYNOPSIS 🌸

int ixgbe_dcb_config_pfc_82599 (struct ixgbe_hw *hw , u8 pfc_en , u8
*prio_tc );

yes it's a int return, yes it wraps weird in the original, no we're not judging 💅

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🦋 ARGUMENTS 🦋

• hw — pointer to hardware structure 🖥️ that's the actual NIC you're talking to, bestie, so pls don't hand it garbage
• pfc_en — enabled pfc bitmask 🎚️ a u8 of little on/off bits, iykyk
• prio_tc — priority to tc assignments indexed by priority 🔢 so you index it by priority and it tells you the traffic class, no cap

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🔥 DESCRIPTION 🔥

Configure Priority Flow Control (PFC) for each traffic class. 🧚 that's it, that's the whole description, and honestly? iconic. it does exactly what it says on the tin — sets up PFC per traffic class. no extra lore, no secret side quests 💜

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👑 SEE ALSO 👑

• Kernel file ./drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_82599.c 📁 (the source, go look at it, it's giving main character energy)
• ixgbe_dcb_config_rx_arbiter_82599(9)
• ixgbe_dcb_config_tx_desc_arbiter_82599(9)
• ixgbe_dcb_config_tx_data_arbiter_82599(9)
• ixgbe_dcb_config_tc_stats_82599(9)
• ixgbe_dcb_hw_config_82599(9)

the whole little 82599 friend group 🌈 they all hang out in the same file, fr fr.

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💀 tiny reminder that these are kernel internals, so the vibes are "read the code before you touch it," not "yolo in production."

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and that's the whole page, bestie 🎀✨ this lil doc came from ./drivers/net/ethernet/intel/i... (yes, the source path got cut off in the footer, not me, i would never 🙈), dated October 2026, and the header/footer both rep ixgbe_dcb_config_pfc_82599(9) — slay, go configure some priority flow control 💖