devlink_trap_ctx_priv(9)

💅 devlink_trap_ctx_priv — the kernel API manual, bestie edition

okay so real talk, this one is a section 9 page from the Kernel API Manual, and it's lowkey a tiny little function but it's giving very important energy. it's called devlink_trap_ctx_priv and tbh the whole vibe is: "you gave the kernel some of your stuff at registration time, now come get it back." that's it, that's the function. she's short, she's sweet, she's iconic. 🎀

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✨ NAME ✨

devlink_trap_ctx_priv — Trap context to driver private information.

like, literally just translating a trap context into your driver's own private info. a little handoff, a little "here's your bag back," you know? 🫶

🌸 SYNOPSIS 🌸

void * devlink_trap_ctx_priv (void *trap_ctx );

so the signature is void * devlink_trap_ctx_priv (void *trap_ctx ); — note the return is void *, so it's handing you back a pointer to whatever you stashed. no cap, that's the whole shape of it. ✨

🦋 ARGUMENTS 🦋

• trap_ctx — Trap context. that's the thing you're passing in, bestie. it's the context. it's trappy. it's the hookup between the kernel side and your side. 🍓

💖 RETURN 💖

Driver private information passed during registration.

okay so devlink_trap_ctx_priv gives you back the driver private information — the exact same stuff you handed over during registration. so if you're sitting there like "wait, where did my private info go 😭", it's not gone, it's right here, it's been here the whole time. main character energy from a return value honestly. 👑

🔥 SEE ALSO 🔥

the whole friend group, fr fr:

• Kernel file ./net/devlink/trap.c
• 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)
• devl_trap_groups_register(9)
• devlink_trap_groups_register(9)
• devl_trap_groups_unregister(9)
• devlink_trap_groups_unregister(9)
• devl_trap_policers_register(9)
• devl_trap_policers_unregister(9)

go read them, they're all in their own little lore arc 💀🦋

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ngl this one is genuinely a one-liner of a function — no env vars, no flags, no exit codes, no warnings, no bugs section. it just does the one cute thing. and honestly? respect. 💅

and that's the page, bestie — this little gem lives in ./net/devlink, and the footer stamps it as October 2026 on the Kernel API Manual version of devlink_trap_ctx_priv(9). slay, go get your private info back. 🧚✨💜