rvu_npc_exac...han_and_mask(9)

πŸ“¦ version 7.3.1, in nixpkgs unstable

πŸ’… rvu_npc_exact_calc_drop_rule_chan_and_mask β€” Kernel API Manual ✨

okay so bestie, welcome to the glow-up of rvu_npc_exac...han_and_mask(9) β€” yes that's the truncated header, we don't gatekeep, the full name is rvu_npc_exact_calc_drop_rule_chan_and_mask(9) and honestly? iconic mouthful. anyway this whole page lives in the Kernel API Manual and it's giving "niche Marvell ethernet lore" and I'm obsessed πŸ¦‹


🌸 NAME 🌸

rvu_npc_exact_calc_drop_rule_chan_and_mask β€” literally just calculates the Channel number and mask. that's it. that's the whole job. no cap πŸ’…


✨ SYNOPSIS ✨

bool rvu_npc_exact_calc_drop_rule_chan_and_mask (struct rvu *rvu , u8
intf_type , u8 cgx_id , u8 lmac_id , u64 *val , u64 *mask );

look at her. one function, six args, returns a bool. main character energy fr fr πŸ‘‘


πŸŽ€ ARGUMENTS πŸŽ€

  • rvu β€” resource virtualization unit. the whole big resource-virtualization situation, she's the context, she's the vibe.
  • intf_type β€” Interface type (SDK, LBK or CGX). pick your fighter πŸ’–
  • cgx_id β€” CGX identifier.
  • lmac_id β€” LAMC identifier. (yes bestie, the manpage says LAMC right there β€” we're reporting it exactly as found, not my typo, hand on heart πŸ™ˆ)
  • val β€” Channel number.
  • mask β€” Channel mask.

🌈 RETURN 🌈

True upon success. that's it, that's the reward, a lil true and a pat on the head 🫢


πŸ¦‹ SEE ALSO πŸ¦‹

the whole friend group, no one left out, everybody ate πŸ’œ


heads up bestie: the original page's footer line got cut off mid-path, so what we can see is the source ./drivers/net/ethernet/marvell... and the date October 2026 β€” and the footer name is the same truncated rvu_npc_exac...han_and_mask(9). that's all she wrote, don't @ me 😭

and that's the page!! πŸ’– source: ./drivers/net/ethernet/marvell..., dated October 2026, footer rvu_npc_exac...han_and_mask(9) β€” mwah, periodt, go read your kernel source babe πŸ“πŸ§š

πŸ“¦ where this page comes from