i40e_get_head(9)

💖 i40e_get_head(9) — head writeback, but make it cute 💖

okay so hi bestie, welcome to the Kernel API Manual page for i40e_get_head(9) ✨ This is the one where we grab the head from head writeback. No big dramatic saga, just a tiny function doing its little thing 💅

✨ NAME ✨

i40e_get_head — retrieve head from head writeback 🎀

✨ SYNOPSIS ✨

u32 i40e_get_head (struct i40e_ring *tx_ring );

✨ ARGUMENTS ✨

• tx_ring — the tx ring whose head we’re fetching 👑 (literally “tx ring to fetch head of”)

✨ DESCRIPTION ✨

Returns the value of the Tx ring head, based on the value stored in the head write-back location 🌸

That’s it. That’s the whole vibe. It gives you back a u32, periodt 💖

✨ SEE ALSO ✨

• Kernel file ./drivers/net/ethernet/intel/i40e/i40e_txrx.h 🦋
• i40e_intrl_usec_to_reg(9)
• i40e_test_staterr(9)
• i40e_txd_use_count(9)
• i40e_xmit_descriptor_count(9)
• i40e_maybe_stop_tx(9)
• i40e_chk_linearize(9)
• txring_txq(9)

mwah 💋 sign-off time: this cutie comes from ./drivers/net/ethernet/intel/i40e, dated October 2026, and it’s the i40e_get_head(9) page in the Kernel API Manual. byeee 🫶🌷