devlink_trap...ups_register(9)

💖 devlink_trap_groups_register(9) — like, the Kernel API Manual entry, bestie 💖

okay so bestie, buckle up, because this one's from the Kernel API Manual and it's honestly giving "small function, big responsibility" energy ✨

🌸 NAME 🌸

devlink_trap_groups_register — the one that registers packet trap groups with devlink. that's it, that's the whole vibe 🎀

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🦋 SYNOPSIS 🦋

int devlink_trap_groups_register (struct devlink *devlink , const struct
       devlink_trap_group *groups , size_t groups_count );

like, look at her. iconic signature. no notes 💅

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👑 ARGUMENTS 👑

• devlink — the devlink. yeah. that's the whole description. she's a devlink, she devlinks 😭
• groups — the packet trap groups themselves. the actual squad being registered 🫶
• groups_count — the count of provided packet trap groups. so like, how many of them you're handing over. gotta keep track, fr fr 🔥

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🔒 CONTEXT 🔒

this bad girl takes and releases devlink->lock <mutex>. so she's locking and unlocking, all by herself, main character energy honestly — no cap 👑

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⭐ RETURN ⭐

non-zero value on failure. that's the whole story. if you get a zero, you're slaying; if you get non-zero, something went sideways 😭💀

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🌈 SEE ALSO 🌈

• the Kernel file ./net/devlink/trap.c (iykyk, that's where the magic lives) 🧚
• struct devlink_trap_policer_item(9)
• struct devlink_trap_group_item(9)
• struct devlink_trap_item(9)
• devl_traps_register(9)
• devlink_traps_register(9)
• devl_traps_unregister(9)
• devlink_traps_unregister(9)
• devlink_trap_report(9)
• devlink_trap_ctx_priv(9)
• devl_trap_groups_register(9)
• devl_trap_groups_unregister(9)
• devlink_trap_groups_unregister(9)
• devl_trap_policers_register(9)
• devl_trap_policers_unregister(9)

like, that's the whole friend group right there and they ALL ate 💜

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ok that's the page!! she comes from ./net/devlink, dated October 2026, and she lives under the devlink_trap...ups_register(9) header in the Kernel API Manual. mwah, go register some trap groups bestie 💋🌸