ixgbe_dcb_ca...e_tc_credits(9)

💅 ixgbe_dcb_ca...e_tc_credits — like, the Kernel API Manual page, bestie

okay so you found yourself in the Kernel API Manual section 9, staring at ixgbe_dcb_ca...e_tc_credits(9). Don't panic — it's actually a vibe. Let's get into it 🫶

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✨ NAME ✨

ixgbe_dcb_calculate_tc_credits — the function that calculates traffic class credits. That's it. That's the whole thing. Slay.

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🦋 SYNOPSIS 🦋

int ixgbe_dcb_calculate_tc_credits (struct ixgbe_hw *hw , struct
       ixgbe_dcb_config *dcb_config , int max_frame , u8 direction );

copy it exactly, no cap, she's int-returning 👑

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🎀 ARGUMENTS 🎀

• hw — pointer to the hardware structure. your hardware bestie fr fr 💖
• dcb_config — the struct containing DCB settings. it's giving "configuration icon" ✨
• max_frame — the maximum frame size. literally the biggest frame allowed 🌸
• direction — configuring either Tx or Rx. pick a lane, bestie 💅

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🌈 DESCRIPTION 🌈

so this function calculates the credits allocated to each traffic class. math but make it networking 💀

⚠️ real talk though: it should be called only after the rules are checked by ixgbe_dcb_check_config. Like, do the vibe check first, then call this. Order matters, iykyk.

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🔥 SEE ALSO 🔥

• Kernel file ./drivers/net/ethernet/intel/ixgbe/ixgbe_dcb.c — go read the source, it's right there 📖
• ixgbe_ieee_credits(9) — another credits icon 👑
• ixgbe_dcb_hw_config(9) — hw config energy ⭐

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and that's the page, bestie 🧚 no notes, she ate.

🍓 source/version: ./drivers/net/ethernet/intel/i... — dated October 2026 — from the ixgbe_dcb_ca...e_tc_credits(9) page. mwah 💜