i40e_alloc_rx_buffers(9)

πŸ“¦ version 7.3.1, in nixpkgs unstable

πŸ’… i40e_alloc_rx_buffers β€” Replace used receive buffers

okay so real quick β€” this is a page from the Kernel API Manual, section 9, and it's all about i40e_alloc_rx_buffers. Yes the name is a mouthful. Yes it slaps anyway. Let's get into it bestie 🫢


✨ NAME ✨

i40e_alloc_rx_buffers β€” Replace used receive buffers πŸŽ€

Like, it restocks the receive side. Buffers get used up, and this function is the one that pops in fresh ones. Maintenance queen behavior. πŸ‘‘


🌸 SYNOPSIS 🌸

bool i40e_alloc_rx_buffers (struct i40e_ring *rx_ring , u16 cleaned_count );

πŸ¦‹ ARGUMENTS πŸ¦‹

  • rx_ring β€” the ring you're placing buffers on. This is the ring. The main character ring, if you will. πŸŒ€
  • cleaned_count β€” the number of buffers you wanna replace. Count 'em, then replace 'em. πŸ”’

πŸ’– DESCRIPTION πŸ’–

So here's the plot twist, and I need you to pay attention because it's giving plot twist energy fr fr:

  • it returns false if all the allocations were successful 😌
  • it returns true if any of them fail 😭

Yeah. Yeah. The boolean is doing the opposite of what your brain expects. false = good vibes, true = something broke. Not me getting tricked by inverted logic again πŸ’€ just remember it, bestie, it's literally right there in the original and I refuse to let you get caught out.


πŸ”₯ SEE ALSO πŸ”₯

The kernel file lives at ./drivers/net/ethernet/intel/i40e/i40e_txrx.c β€” and here's the whole crew, no cap, every single one of them:


and that's the whole page, bestie πŸ’œ go replace those buffers, remember the inverted bool, and stan a receive ring that stays fed 🌈✨

this has been i40e_alloc_rx_buffers(9) from ./drivers/net/ethernet/intel/i40e, Kernel API Manual, dated October 2026 β€” mwah, ily, bye πŸŽ€πŸ’…πŸ¦‹

πŸ“¦ where this page comes from